CN102120138B - Magnesium base-seawater method desulfurization system for ship - Google Patents
Magnesium base-seawater method desulfurization system for shipDownload PDFInfo
- Publication number
- CN102120138B CN102120138BCN 201110039565CN201110039565ACN102120138BCN 102120138 BCN102120138 BCN 102120138BCN 201110039565CN201110039565CN 201110039565CN 201110039565 ACN201110039565 ACN 201110039565ACN 102120138 BCN102120138 BCN 102120138B
- Authority
- CN
- China
- Prior art keywords
- seawater
- flue gas
- desulfurization
- slurry
- slurry tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000006477desulfuration reactionMethods0.000titleclaimsabstractdescription70
- 230000023556desulfurizationEffects0.000titleclaimsabstractdescription70
- 239000013535sea waterSubstances0.000titleclaimsabstractdescription52
- 238000000034methodMethods0.000titleclaimsabstractdescription32
- FYYHWMGAXLPEAU-UHFFFAOYSA-NMagnesiumChemical compound[Mg]FYYHWMGAXLPEAU-UHFFFAOYSA-N0.000titleclaimsabstractdescription20
- 239000011777magnesiumSubstances0.000titleclaimsabstractdescription20
- 229910052749magnesiumInorganic materials0.000titleclaimsabstractdescription20
- 239000002002slurrySubstances0.000claimsabstractdescription59
- UGFAIRIUMAVXCW-UHFFFAOYSA-NCarbon monoxideChemical compound[O+]#[C-]UGFAIRIUMAVXCW-UHFFFAOYSA-N0.000claimsabstractdescription39
- 239000003546flue gasSubstances0.000claimsabstractdescription37
- 239000007921spraySubstances0.000claimsabstractdescription30
- 238000005507sprayingMethods0.000claimsabstractdescription18
- 239000007788liquidSubstances0.000claimsabstractdescription15
- 238000001816coolingMethods0.000claimsabstractdescription12
- 230000003647oxidationEffects0.000claimsabstractdescription6
- 238000007254oxidation reactionMethods0.000claimsabstractdescription6
- 238000006243chemical reactionMethods0.000claimsdescription14
- 239000013505freshwaterSubstances0.000claimsdescription5
- CPLXHLVBOLITMK-UHFFFAOYSA-Nmagnesium oxideInorganic materials[Mg]=OCPLXHLVBOLITMK-UHFFFAOYSA-N0.000claimsdescription4
- 239000000395magnesium oxideSubstances0.000claimsdescription4
- AXZKOIWUVFPNLO-UHFFFAOYSA-Nmagnesium;oxygen(2-)Chemical compound[O-2].[Mg+2]AXZKOIWUVFPNLO-UHFFFAOYSA-N0.000claimsdescription4
- 239000000843powderSubstances0.000claimsdescription4
- QVGXLLKOCUKJST-UHFFFAOYSA-Natomic oxygenChemical compound[O]QVGXLLKOCUKJST-UHFFFAOYSA-N0.000claimsdescription3
- 229910052760oxygenInorganic materials0.000claimsdescription3
- 239000001301oxygenSubstances0.000claimsdescription3
- 239000000523sampleSubstances0.000claimsdescription3
- 238000009423ventilationMethods0.000claimsdescription2
- 238000005516engineering processMethods0.000abstractdescription13
- 229910052717sulfurInorganic materials0.000abstractdescription13
- 239000011593sulfurSubstances0.000abstractdescription13
- NINIDFKCEFEMDL-UHFFFAOYSA-NSulfurChemical compound[S]NINIDFKCEFEMDL-UHFFFAOYSA-N0.000abstractdescription12
- 229910019440Mg(OH)Inorganic materials0.000abstractdescription5
- 238000002360preparation methodMethods0.000abstractdescription3
- 239000007787solidSubstances0.000abstractdescription3
- 239000007795chemical reaction productSubstances0.000abstractdescription2
- 239000000295fuel oilSubstances0.000description7
- XLYOFNOQVPJJNP-UHFFFAOYSA-NwaterSubstancesOXLYOFNOQVPJJNP-UHFFFAOYSA-N0.000description5
- OYPRJOBELJOOCE-UHFFFAOYSA-NCalciumChemical compound[Ca]OYPRJOBELJOOCE-UHFFFAOYSA-N0.000description4
- 239000011575calciumSubstances0.000description4
- 229910052791calciumInorganic materials0.000description4
- 239000003921oilSubstances0.000description4
- 230000008569processEffects0.000description4
- 239000006227byproductSubstances0.000description3
- 230000000694effectsEffects0.000description3
- 230000007774longtermEffects0.000description3
- 238000012360testing methodMethods0.000description3
- 230000008859changeEffects0.000description2
- 239000000110cooling liquidSubstances0.000description2
- 230000007423decreaseEffects0.000description2
- 239000007789gasSubstances0.000description2
- 238000005259measurementMethods0.000description2
- 230000009467reductionEffects0.000description2
- 230000004044responseEffects0.000description2
- 239000000779smokeSubstances0.000description2
- 239000002699waste materialSubstances0.000description2
- 235000008733Citrus aurantifoliaNutrition0.000description1
- 235000011941Tilia x europaeaNutrition0.000description1
- 230000009471actionEffects0.000description1
- 230000009286beneficial effectEffects0.000description1
- 239000003795chemical substances by applicationSubstances0.000description1
- 238000010586diagramMethods0.000description1
- 238000001704evaporationMethods0.000description1
- 230000008020evaporationEffects0.000description1
- 230000005484gravityEffects0.000description1
- 229910052602gypsumInorganic materials0.000description1
- 239000010440gypsumSubstances0.000description1
- 239000004571limeSubstances0.000description1
- 238000002156mixingMethods0.000description1
- 238000012544monitoring processMethods0.000description1
- 239000010747number 6 fuel oilSubstances0.000description1
- 230000001105regulatory effectEffects0.000description1
- 238000012827research and developmentMethods0.000description1
- 238000003756stirringMethods0.000description1
- 239000004575stoneSubstances0.000description1
- 239000000126substanceSubstances0.000description1
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本发明涉及烟气脱硫技术领域，尤其涉及到镁法和海水法脱硫的系统。The invention relates to the technical field of flue gas desulfurization, in particular to a magnesium method and a seawater method desulfurization system.
背景技术Background technique
船用燃料油已执行极为严格的硫含量标准，同时允许船只使用经批准的减排技术，条件是SO2排放等于或低于燃烧0.10％的低硫燃油。采用含硫低的燃料油将大幅提高船舶营运成本，所以烟气脱硫成为应对新标准最为切实可行的选择。Bunker fuel oil has implemented extremely strict sulfur content standards, while allowing ships to use approved emission reduction technologies, provided thatSO2 emissions are equal to or lower than burning 0.10% low sulfur fuel oil. The use of fuel oil with low sulfur content will greatly increase the operating cost of ships, so flue gas desulfurization has become the most feasible option to meet the new standards.
相对于干法和半干法，湿法脱硫以其成熟的技术得到广泛应用。目前最为成功的达到工业应用的脱硫技术为化学法，包括钙法、镁法和海水法脱硫。由于海水法受到地理位置、脱硫副产品处理、脱硫剂来源及价格等因素的影响，常常应用在区域性较强、烟气量相对较小或工艺要求较简单的脱硫工程中；石灰(石)-石膏法技术成熟、价格便宜、脱硫效率高，故应用较多，但其运行费用高、二次污染严重、易造成管道结垢堵塞；镁法脱硫具有系统简单、运行安全、可靠性高、运行费用低、脱硫效率高、适用范围广、不易结垢、无二次污染、副产品利用价值相对较高等优势，近些年有逐步取代钙法脱硫的趋势。Compared with dry and semi-dry methods, wet desulfurization has been widely used due to its mature technology. At present, the most successful desulfurization technology to achieve industrial application is chemical method, including calcium method, magnesium method and seawater desulfurization method. Because the seawater method is affected by geographical location, desulfurization by-product treatment, desulfurization agent source and price, etc., it is often used in desulfurization projects with strong regionality, relatively small flue gas volume or simple process requirements; lime (stone)- The gypsum method has mature technology, low price, and high desulfurization efficiency, so it is widely used, but its operating cost is high, secondary pollution is serious, and it is easy to cause fouling and blockage of pipelines; magnesium desulfurization has the advantages of simple system, safe operation, high reliability, and Low cost, high desulfurization efficiency, wide application range, not easy to scale, no secondary pollution, relatively high value of by-product utilization, etc. In recent years, there is a tendency to gradually replace calcium desulfurization.
船舶脱硫指标严格于一般工业脱硫，又受到船上特定环境的限制，船用脱硫研发应用技术和工艺困难很大，至今在国内外尚属空白。采取何种方法脱硫必须依据具体工况和要求达到的脱硫指标而定。对于特定的船上脱硫来说，如果使用现用的燃料油(含硫小于4.5％m/m)，为达到含硫1.00％m/m对应当量，要求脱硫效率至少达到70-80％；为达到含硫0.10％m/m对应当量，要求脱硫效率至少达到97％。因为钙法脱硫效率在95％以下，镁法脱硫效率能达到99％，所以只有镁法脱硫能达到新标准对应的SO2排放浓度值。同时考虑船上空间有限，不允许装置占大量体积、耗材或副产物大量堆积，所以单纯的海水法和钙法脱硫均不可取，只能采用镁基脱硫中的抛弃法。镁基脱硫同时具有无二次污染、占用体积小、不结垢、运行成本低等优点，综上，镁基脱硫技术对船用脱硫来说是最为切实可行的。再者，考虑船舶工况，船上海水获取易淡水获取难，提出镁基-海水法脱硫技术用于船舶脱硫。海水法作为一种辅助方法，在船舶运行于淡水区时仅采用镁基脱硫，结合海水法以避免处理装置受海水腐蚀。镁基-海水法脱硫技术是适用于船舶特定工况的一种有效脱硫技术，然而国内外这种船舶脱硫技术属于空白。The desulfurization index of ships is stricter than that of general industrial desulfurization, and is restricted by the specific environment on board. The research and development and application technology and process of marine desulfurization are very difficult, and it is still blank at home and abroad. Which method to adopt for desulfurization must be determined according to the specific working conditions and the required desulfurization targets. For specific on-board desulfurization, if the current fuel oil (with sulfur content less than 4.5% m/m) is used, in order to achieve the equivalent amount of sulfur content of 1.00% m/m, the desulfurization efficiency is required to reach at least 70-80%; To achieve the corresponding equivalent of sulfur content of 0.10% m/m, the desulfurization efficiency is required to reach at least 97%. Because the desulfurization efficiency of the calcium method is below 95%, and the desulfurization efficiency of the magnesium method can reach 99%, only the magnesium method desulfurization can reach the SO2 emission concentration value corresponding to the new standard. At the same time, considering the limited space on the ship, it is not allowed to occupy a large volume of equipment and accumulate a large amount of consumables or by-products. Therefore, pure seawater desulfurization and calcium desulfurization are not advisable, and only the discarding method in magnesium-based desulfurization can be used. Magnesium-based desulfurization has the advantages of no secondary pollution, small footprint, no scaling, and low operating costs. In summary, magnesium-based desulfurization technology is the most feasible for marine desulfurization. Furthermore, considering the working conditions of the ship, it is easy to obtain seawater on board and difficult to obtain fresh water, so the magnesium-based-seawater desulfurization technology is proposed for ship desulfurization. As an auxiliary method, the seawater method only uses magnesium-based desulfurization when the ship is operating in the freshwater area, combined with the seawater method to prevent the treatment device from being corroded by seawater. Magnesium-based seawater desulfurization technology is an effective desulfurization technology suitable for specific working conditions of ships, but this kind of ship desulfurization technology is blank at home and abroad.
发明内容Contents of the invention
为实现镁基-海水法脱硫技术应用于船舶烟气高效脱硫，本发明提供一种能够长期可靠、达标运行的镁基-海水法船用脱硫系统，为我国应对IMO要求执行的船用油硫含量新标准做好坚实的技术准备。In order to realize the application of magnesium-based-seawater method desulfurization technology to high-efficiency desulfurization of ship flue gas, the present invention provides a magnesium-based-seawater method marine desulfurization system capable of long-term reliable operation and up to standard operation, which is a new standard for marine oil sulfur content implemented in response to IMO requirements in my country. Standards make solid technical preparations.
本发明的原理是：船舶烟气在风机驱动下经海水喷雾冷却，烟气温度降至100℃以下，通过多级Mg(OH)2浆料喷雾与烟气中的SO2反应，降低烟气中SO2浓度至达标排放。反应产物MgSO3随喷雾液降至浆料池，通过氧化形成MgSO4，随排水排放。按照一定流量注入制备的Mg(OH)2浆料，调节浆料液pH值，保证高效脱硫，按照一定流量补充新水、排放反应后喷雾液，保持浆料池液位恒定。The principle of the present invention is: the flue gas of the ship is cooled by spraying sea water under the drive of the fan, the temperature of the flue gas drops below 100°C, and the multi-stage Mg(OH)2 slurry spray reacts with SO2 in the flue gas to reduce the flue gas The SO2 concentration in the middle reaches the discharge standard. The reaction product MgSO3 falls to the slurry tank along with the spray liquid, forms MgSO4 through oxidation, and is discharged with the drainage. Inject the prepared Mg(OH)2 slurry according to a certain flow rate, adjust the pH value of the slurry liquid to ensure efficient desulfurization, replenish new water according to a certain flow rate, discharge the spray liquid after reaction, and keep the liquid level of the slurry tank constant.
本发明的技术解决方案是这样实现的：系统主要包括脱硫塔、海水冷却喷雾单元、浆料罐、多级喷淋装置、海水，在所述的脱硫塔下部设有浆料池，浆料池上部为多级喷淋装置，通过氧化风机向浆料池中通入氧气，通过海水泵向浆料池中通入海水，浆料池底部设有排出泵；所述的浆料罐的上部设有蒸汽、氧化镁粉、海水管道，其中蒸汽管道上设有电动蒸汽阀，海水管道上设有海水流量计，浆料罐中设有搅拌器，浆料罐下端出料管道设有变频管道泵，出料管道上还设有浆料流量计并连接到多级喷淋装置；多级喷淋装置还通过喷淋泵连接到浆料池；锅炉烟气经过依次设有电动蝶阀、变频风机、烟气流量计的排烟管道进入海水冷却喷雾单元，海水冷却喷雾单元顺锅炉烟气通风方向喷雾，经冷却的锅炉烟气进入脱硫塔；脱硫塔顶部设有除雾网和新水喷淋装置，处理后烟气从脱硫塔的排烟口进入烟囱并排出，排烟口侧壁设有SO2分析仪探头；浆料池中还设有pH计，浮子式液位计。The technical solution of the present invention is realized in this way: the system mainly includes a desulfurization tower, a seawater cooling spray unit, a slurry tank, a multi-stage spraying device, and seawater. The part is a multi-stage spraying device, oxygen is introduced into the slurry tank through an oxidation fan, sea water is introduced into the slurry tank through a seawater pump, and a discharge pump is provided at the bottom of the slurry tank; the upper part of the slurry tank is equipped with There are steam, magnesium oxide powder, and seawater pipelines, among which electric steam valves are installed on the steam pipelines, seawater flowmeters are installed on the seawater pipelines, agitators are installed in the slurry tanks, and frequency conversion pipeline pumps are installed on the discharge pipelines at the lower end of the slurry tanks , the discharge pipeline is also equipped with a slurry flow meter and connected to the multi-stage spraying device; the multi-stage spraying device is also connected to the slurry pool through the spray pump; the boiler flue gas passes through an electric butterfly valve, a frequency conversion fan, The exhaust pipe of the flue gas flowmeter enters the seawater cooling spray unit, and the seawater cooling spray unit sprays along the ventilation direction of the boiler flue gas, and the cooled boiler flue gas enters the desulfurization tower; the top of the desulfurization tower is equipped with a demist net and fresh water spraying device , The treated flue gas enters the chimney from the exhaust port of the desulfurization tower and is discharged. The side wall of the exhaust port is equipped with a SO2 analyzer probe; the slurry tank is also equipped with a pH meter and a float type liquid level gauge.
通过Mg(OH)2浆料多级喷淋装置、浆料pH调控、给排水控制，研制而成本镁基-海水法船用脱硫系统，并通过SO2浓度测定确定对应的优化运行参数，实现装置长期可靠、达标运行。Through Mg(OH)2 slurry multi-stage spraying device, slurry pH control, water supply and drainage control, the low-cost magnesium-seawater method marine desulfurization system was developed, and the corresponding optimized operating parameters were determined through the measurement of SO2 concentration to realize the device Long-term reliable and up-to-standard operation.
从主烟道引出锅炉烟气，通过电动蝶阀和变频风机联动控制引风，通过烟气流量计显示引风风量；待处理锅炉烟气由变频风机出口进入海水喷雾冷却单元，顺锅炉烟气通风方向喷雾，冷却烟气温度至100℃以下，辅助起到脱硫作用，且助锅炉烟气引风，冷却液和经冷却的锅炉烟气一同进入脱硫塔。脱硫塔设有多级喷淋装置和液位恒定在1m左右的浆料池，氧化风机向浆料池中提供氧气。采用喷淋泵抽取浆料池中浆料循环冷却喷淋、循环反应喷淋，形成冷却液和喷雾液在重力作用下降落至浆料池，锅炉烟气气流向上最终经排烟口除雾网去雾排到大气中。浆料罐中按比例投入海水和氧化镁粉，经电机搅拌和蒸汽恒温加热，熟化后通过变频管道泵从浆料罐下端出料口分多路向各喷淋管道定量提供浆料，采用阀门和浆料流量计准确控制浆料供给量。随反应进行，浆料池中浆料pH逐渐下降，为保证高效脱硫，确定6.5-11之间的浆料pH变化范围，配备pH计进行实时监控。同时浆料池液位因烟气冷却过程中的蒸发作用而逐渐降低，在侧壁安装浮子式液位计反映冷却过程中的蒸发水量。浆料池外壁连接排出泵和海水泵，根据浆料pH变化情况和应用要求，控制排出泵流量和频率排出反应后废液，并进一步调控海水泵，按一定流量和频率补充新鲜海水，保持浆料池液位恒定在1m左右，兼具调节浆料pH的功能。脱硫塔顶部设有除雾网和新水喷淋装置，通过烟气流量测定控制新水喷淋装置的开启以及时清洗除雾网，同时起到补充新水的作用。排烟口侧壁设有SO2分析仪探头，用于SO2浓度测定。根据排放的SO2浓度值改变浆料多级喷淋装置反应级数，通过变频喷淋泵调节喷雾液流量，保持SO2浓度至达标排放。The boiler flue gas is led out from the main flue, the induced air is controlled through the linkage of the electric butterfly valve and the frequency conversion fan, and the induced air volume is displayed through the flue gas flowmeter; the boiler flue gas to be treated enters the seawater spray cooling unit from the frequency conversion fan outlet, and is ventilated along the boiler flue gas Directional spraying, cooling flue gas temperature to below 100 ℃, assisting in desulfurization, and assisting boiler flue gas to induce wind, cooling liquid and cooled boiler flue gas enter the desulfurization tower together. The desulfurization tower is equipped with a multi-stage spraying device and a slurry pool with a constant liquid level of about 1m. The oxidation fan supplies oxygen to the slurry pool. The spray pump is used to extract the slurry in the slurry tank for circulating cooling spraying and circulating reaction spraying, forming cooling liquid and spraying liquid to fall to the slurry tank under the action of gravity, and the boiler flue gas flows upwards and finally passes through the smoke exhaust outlet demisting net Demist is vented to the atmosphere. Seawater and magnesium oxide powder are put into the slurry tank in proportion, heated by motor stirring and steam at constant temperature, and after curing, the slurry is supplied quantitatively to each spray pipe in multiple channels from the discharge port at the lower end of the slurry tank through a frequency conversion pipeline pump. Valves and The slurry flow meter accurately controls the slurry supply. As the reaction progresses, the pH of the slurry in the slurry tank gradually decreases. In order to ensure efficient desulfurization, the pH range of the slurry between 6.5-11 is determined, and a pH meter is equipped for real-time monitoring. At the same time, the liquid level of the slurry tank gradually decreases due to the evaporation during the cooling process of the flue gas, and a float type liquid level gauge is installed on the side wall to reflect the amount of evaporated water during the cooling process. The outer wall of the slurry tank is connected to the discharge pump and the seawater pump. According to the pH change of the slurry and the application requirements, the flow rate and frequency of the discharge pump are controlled to discharge the waste liquid after reaction, and the seawater pump is further regulated to replenish fresh seawater according to a certain flow rate and frequency to keep the slurry. The liquid level of the feed pool is constant at about 1m, which also has the function of adjusting the pH of the slurry. The top of the desulfurization tower is equipped with a demist net and a new water spray device. The opening of the new water spray device is controlled by flue gas flow measurement to clean the demist net in time, and at the same time, it plays the role of replenishing fresh water. The side wall of the smoke outlet is provided with a SO2 analyzer probe for the determination of the SO2 concentration. Change the reaction stages of the slurry multi-stage spraying device according to the dischargedSO2 concentration value, and adjust the flow rate of the spray liquid through the frequency conversion spray pump to maintain theSO2 concentration to reach the standard discharge.
本发明的有益效果是：实现了镁基-海水法脱硫技术应用于船舶烟气高效脱硫，能够长期可靠、达标运行，为我国应对IMO要求执行的船用油硫含量新标准做好坚实的技术准备。The beneficial effect of the present invention is that the application of the magnesium-based-seawater desulfurization technology to high-efficiency desulfurization of ship flue gas enables long-term reliable and up-to-standard operation, and makes solid technical preparations for the new standard of sulfur content in marine oil to be implemented in response to IMO requirements in my country .
附图说明Description of drawings
下面结合附图和具体的实施方式对本发明做进一步的描述。The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
图1为本发明系统原理图。Fig. 1 is a schematic diagram of the system of the present invention.
图中，1、脱硫塔，2、浆料罐，3、烟囱，4、浆料池，5、海水，6、蒸汽，7、氧化镁粉，8、海水泵，9、海水流量计，10、电动阀，11、电动蒸汽阀，12、变频管道泵，13、浆料流量计，14、喷淋泵，15、排出泵，16、废液，17、氧化风机，18、锅炉烟气，19、电动蝶阀，20、变频风机，21、烟气流量计，22、处理后气体。In the figure, 1. Desulfurization tower, 2. Slurry tank, 3. Chimney, 4. Slurry pool, 5. Sea water, 6. Steam, 7. Magnesium oxide powder, 8. Sea water pump, 9. Sea water flow meter, 10 , electric valve, 11, electric steam valve, 12, variable frequency pipeline pump, 13, slurry flow meter, 14, spray pump, 15, discharge pump, 16, waste liquid, 17, oxidation fan, 18, boiler flue gas, 19. Electric butterfly valve, 20. Frequency conversion fan, 21. Flue gas flow meter, 22. Treated gas.
具体实施方式Detailed ways
下面结合实施例具体说明本发明。The present invention will be described in detail below in conjunction with the examples.
在某集装箱船上实船进行本发明系统使用前后脱硫效果测试，使用含硫0.71～0.93％m/m燃料油，正常海上航行，主机排放废气风量约50000m3/h。采用440V、60Hz三相交流船电供电本系统，引风风量小于10000m3/h，引风风机功率为10～30kW可调，浆料变频管道泵功率小于3kW可调，压强3.5～4.0atm，浆料供给流量为0.1～1.0m3/h可调(Mg(OH)2浆料浓度小于25％)。循环喷淋泵功率为10～30kW可调，浆料喷淋小于100m3/h可调。在10小时内，持续运行测试结果见下表。The desulfurization effect test of the system before and after use was carried out on a container ship. Fuel oil with a sulfur content of 0.71-0.93% m/m was used, and the exhaust gas volume of the main engine was about 50,000 m3 /h during normal sea navigation. The system is powered by 440V, 60Hz three-phase AC ship power, the induced air volume is less than 10000m3 /h, the induced draft fan power is adjustable from 10 to 30kW, the slurry frequency conversion pipeline pump power is adjustable from less than 3kW, and the pressure is 3.5 to 4.0 atm. The slurry supply flow rate is adjustable from 0.1 to 1.0m3 /h (Mg(OH)2 slurry concentration is less than 25%). The power of the circulation spray pump is adjustable from 10 to 30kW, and the slurry spray is adjustable if it is less than 100m3 /h. Within 10 hours, the continuous running test results are shown in the table below.
注：浆料循环喷淋泵流量值为估算所得。Note: The flow rate of the slurry circulation spray pump is estimated.
在当时测试条件下，该船先后使用含硫0.71％mm和0.93％m/m两种燃料油，由于两种不同燃料油的混合导致SO2起始浓度在240～320ppm的范围内波动。给出海水法和采用本发明系统的镁基-海水法的实验数据对比。数据表明烟气量增大，最终处理后SO2浓度也随之增高；循环喷淋量越大，处理后SO2浓度越小。单纯采用海水法脱硫率＞70％，而本发明系统的镁基-海水法脱硫率＞90％，可以看出后者脱硫效果明显优于前者。该系统应用在实船上，脱硫后的SO2含量低于燃烧0.10％的低硫燃油，符合船用油硫含量新标准要求。由此可见本脱硫系统具有显著的减排功效。Under the test conditions at that time, the ship used two fuel oils with sulfur content of 0.71%mm and 0.93%m/m successively. Due to the mixing of the two different fuel oils, the initial concentration of SO2 fluctuated in the range of 240-320ppm. A comparison of experimental data between the seawater method and the magnesium-based-seawater method using the system of the present invention is given. The data shows that the concentration of SO2 after final treatment increases with the increase of flue gas volume; the greater the amount of circulating spray, the lower the concentration of SO2 after treatment. The desulfurization rate of the pure seawater method is >70%, while the magnesium-based-seawater method desulfurization rate of the system of the present invention is >90%. It can be seen that the desulfurization effect of the latter is obviously better than that of the former. The system is applied on a real ship, and theSO2 content after desulfurization is lower than that of burning 0.10% low-sulfur fuel oil, which meets the requirements of the new standard for marine oil sulfur content. It can be seen that the desulfurization system has a significant emission reduction effect.
本发明不局限于上述实施例，任何在本发明披露的技术范围内的等同构思或者改变，均列为本发明的保护范围。The present invention is not limited to the above-mentioned embodiments, and any equivalent ideas or changes within the technical scope disclosed in the present invention are listed in the protection scope of the present invention.
Claims (1)
Translated fromChinesePriority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110039565CN102120138B (en) | 2011-02-17 | 2011-02-17 | Magnesium base-seawater method desulfurization system for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110039565CN102120138B (en) | 2011-02-17 | 2011-02-17 | Magnesium base-seawater method desulfurization system for ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102120138A CN102120138A (en) | 2011-07-13 |
| CN102120138Btrue CN102120138B (en) | 2012-12-05 |
Family
ID=44248858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110039565Expired - Fee RelatedCN102120138B (en) | 2011-02-17 | 2011-02-17 | Magnesium base-seawater method desulfurization system for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102120138B (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9387438B2 (en) | 2014-02-14 | 2016-07-12 | Tenneco Automotive Operating Company Inc. | Modular system for reduction of sulphur oxides in exhaust |
| CN104923056A (en)* | 2015-06-26 | 2015-09-23 | 大连海事大学 | A ship exhaust gas desulfurization device and method |
| CN106731639A (en)* | 2017-03-03 | 2017-05-31 | 河北工业大学 | A kind of new sea water desulfuration Carbon fixation method |
| CN109000745B (en)* | 2017-06-06 | 2023-11-24 | 大唐环境产业集团股份有限公司 | Device and method for measuring slurry spraying strength of wet desulfurization tower |
| US10696906B2 (en) | 2017-09-29 | 2020-06-30 | Marathon Petroleum Company Lp | Tower bottoms coke catching device |
| CN110275479A (en)* | 2018-03-16 | 2019-09-24 | 上海高菩环保科技有限公司 | A kind of ship desulfurization monitoring method and system |
| US12000720B2 (en) | 2018-09-10 | 2024-06-04 | Marathon Petroleum Company Lp | Product inventory monitoring |
| US12031676B2 (en) | 2019-03-25 | 2024-07-09 | Marathon Petroleum Company Lp | Insulation securement system and associated methods |
| US11975316B2 (en) | 2019-05-09 | 2024-05-07 | Marathon Petroleum Company Lp | Methods and reforming systems for re-dispersing platinum on reforming catalyst |
| CA3212048A1 (en) | 2019-05-30 | 2020-11-30 | Marathon Petroleum Company Lp | Methods and systems for minimizing nox and co emissions in natural draft heaters |
| CA3109675A1 (en) | 2020-02-19 | 2021-08-19 | Marathon Petroleum Company Lp | Low sulfur fuel oil blends for stability enhancement and associated methods |
| US11702600B2 (en) | 2021-02-25 | 2023-07-18 | Marathon Petroleum Company Lp | Assemblies and methods for enhancing fluid catalytic cracking (FCC) processes during the FCC process using spectroscopic analyzers |
| US11898109B2 (en) | 2021-02-25 | 2024-02-13 | Marathon Petroleum Company Lp | Assemblies and methods for enhancing control of hydrotreating and fluid catalytic cracking (FCC) processes using spectroscopic analyzers |
| US20220268694A1 (en) | 2021-02-25 | 2022-08-25 | Marathon Petroleum Company Lp | Methods and assemblies for determining and using standardized spectral responses for calibration of spectroscopic analyzers |
| US11905468B2 (en) | 2021-02-25 | 2024-02-20 | Marathon Petroleum Company Lp | Assemblies and methods for enhancing control of fluid catalytic cracking (FCC) processes using spectroscopic analyzers |
| US11692141B2 (en) | 2021-10-10 | 2023-07-04 | Marathon Petroleum Company Lp | Methods and systems for enhancing processing of hydrocarbons in a fluid catalytic cracking unit using a renewable additive |
| US11802257B2 (en) | 2022-01-31 | 2023-10-31 | Marathon Petroleum Company Lp | Systems and methods for reducing rendered fats pour point |
| CN115228273B (en)* | 2022-08-12 | 2023-05-30 | 中国华电科工集团有限公司 | Control method of seawater desulfurization system |
| US12311305B2 (en) | 2022-12-08 | 2025-05-27 | Marathon Petroleum Company Lp | Removable flue gas strainer and associated methods |
| CN116212635A (en)* | 2023-05-09 | 2023-06-06 | 中国电建集团港航建设有限公司 | Seawater recycling flue gas desulfurization method |
| US12306076B2 (en) | 2023-05-12 | 2025-05-20 | Marathon Petroleum Company Lp | Systems, apparatuses, and methods for sample cylinder inspection, pressurization, and sample disposal |
| US12415962B2 (en) | 2023-11-10 | 2025-09-16 | Marathon Petroleum Company Lp | Systems and methods for producing aviation fuel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314106A (en)* | 2008-06-13 | 2008-12-03 | 彭斯干 | Method and apparatus for desulfurizing exhaust gas of seagoing vessel |
| CN101708413A (en)* | 2009-11-26 | 2010-05-19 | 浙江蓝天求是环保集团有限公司 | Packless empty tower spraying type magnesium-process flue gas desulfurization purification system |
| CN201940168U (en)* | 2011-02-17 | 2011-08-24 | 大连海事大学 | Marine desulfurization system using magnesium-based seawater method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20065330A7 (en)* | 2006-05-16 | 2007-11-17 | Valmet Technologies Oy | Method and apparatus for reducing sulfur dioxide emissions from a marine engine |
| JP5166791B2 (en)* | 2007-07-24 | 2013-03-21 | 三菱重工業株式会社 | Flue gas desulfurization equipment |
- 2011
- 2011-02-17CNCN 201110039565patent/CN102120138B/ennot_activeExpired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101314106A (en)* | 2008-06-13 | 2008-12-03 | 彭斯干 | Method and apparatus for desulfurizing exhaust gas of seagoing vessel |
| CN101708413A (en)* | 2009-11-26 | 2010-05-19 | 浙江蓝天求是环保集团有限公司 | Packless empty tower spraying type magnesium-process flue gas desulfurization purification system |
| CN201940168U (en)* | 2011-02-17 | 2011-08-24 | 大连海事大学 | Marine desulfurization system using magnesium-based seawater method |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2009-28571A 2009.02.12 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102120138A (en) | 2011-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102120138B (en) | Magnesium base-seawater method desulfurization system for ship | |
| CN201940168U (en) | Marine desulfurization system using magnesium-based seawater method | |
| CN102172474A (en) | Method for controlling pH value of spray slurry in magnesium-based seawater process ship desulfurization system | |
| CN102151481B (en) | Monitoring and automatic control system in desulfurization process for magnesium-based seawater ships | |
| GB2499134A (en) | Carbon dioxide fixation method and carbon dioxide fixation apparatus | |
| CN202191840U (en) | System for monitoring and automatic control in marine desulfurization process using magnesium base-seawater method | |
| US20100243473A1 (en) | Desalination system and method | |
| CN102151482B (en) | Water supply and drainage control method in desulfurization system for magnesium-based seawater ships | |
| CN100393395C (en) | Coal-fired boiler flue gas desulfurization, denitrification and dust removal integrated purifier | |
| CN202044902U (en) | Spray slurry PH value control system in Mg based-seawater method marine desulphurization technique | |
| CN202044901U (en) | Water supply and drainage control system in sulfur removal technology by magnesium-based-seawater method | |
| CN208583166U (en) | Exhaust gas cleaner is used in a kind of production of desulphurization denitration | |
| CN205084614U (en) | Marine desulfurization system | |
| CN204265621U (en) | Sludge Anaerobic Digestion System | |
| CN206130959U (en) | Marsh gas decarbonization residual heat recycling of workshop section utilizes system | |
| CN204543955U (en) | A kind of Ship Power Equipment exhaust gas cleaning system | |
| CN106139873A (en) | A kind of desulfurization by lime gypsum method device | |
| CN204816304U (en) | Fire power boiler water ammonifying device | |
| CN202044900U (en) | Mg(OH)2 slurry preparation device in magnesium-based seawater desulfurization system | |
| CN204111873U (en) | Pot galvanize descaling bath acid mist treatment system | |
| CN104020797B (en) | An automatic control method for pH of marine exhaust gas desulfurization washing liquid | |
| CN201454391U (en) | Flue gas wet desulfurization absorption tower | |
| CN102732650B (en) | Production process and dedicated production equipment for chrome tanning agent | |
| CN201930710U (en) | Magnesium desulfurization system | |
| CN103831001A (en) | Flue gas purification device for gas firing furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | Application publication date:20110713 Assignee:WEIHAI PUYI MARINE ENVIRONMENTAL TECHNOLOGY CO.,LTD. Assignor:Dalian Maritime University Contract record no.:2015210000026 Denomination of invention:Magnesium based seawater marine desulfurization system Granted publication date:20121205 License type:Exclusive License Record date:20150424 | |
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract | Assignee:WEIHAI PUYI MARINE ENVIRONMENTAL TECHNOLOGY CO.,LTD. Assignor:Dalian Maritime University Contract record no.:2015210000026 Date of cancellation:20221130 | |
| EC01 | Cancellation of recordation of patent licensing contract | ||
| TR01 | Transfer of patent right | Effective date of registration:20230506 Address after:116026 Room 301, 319, Linghai Road, Ganjingzi District, Dalian, Liaoning, China, 1 Patentee after:Dalian Maritime University Investment Management Co.,Ltd. Address before:116026 No. 1, Ling Hai Road, Ganjingzi District, Liaoning, Dalian Patentee before:Dalian Maritime University | |
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | Effective date of registration:20230810 Address after:No. 103, Yangjian East Section, Xihu Road, Yangjian, Xishan District, Wuxi City, Jiangsu Province, 214107 Patentee after:Jiangsu Heyi Environmental engineering Co.,Ltd. Address before:116026 Room 301, 319, Linghai Road, Ganjingzi District, Dalian, Liaoning, China, 1 Patentee before:Dalian Maritime University Investment Management Co.,Ltd. | |
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee | Granted publication date:20121205 | |
| CF01 | Termination of patent right due to non-payment of annual fee |