CN209910030U - Ground source heat pump air/water spray heat exchange heat supplementing heating system - Google Patents
Ground source heat pump air/water spray heat exchange heat supplementing heating systemDownload PDFInfo
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Abstract
Translated fromChineseDescription
Translated fromChinese技术领域technical field
本实用新型涉及一种地源热泵空气/水喷淋换热补热采暖系统，利用自然界中热空气的能量来补偿土壤的热量，克服了必须采用空调制冷手段补热，以维持地下温度场热平衡，用于地源热泵系统冬季采暖，属于暖通空调领域。The utility model relates to a ground source heat pump air/water spray heat exchange heat supplementary heating system, which utilizes the energy of hot air in nature to compensate the heat of the soil, overcomes the necessity of using air conditioning and refrigeration means to supplement heat, and maintains the thermal balance of the underground temperature field , used for winter heating of ground source heat pump system, belonging to the field of HVAC.
背景技术Background technique
地源热泵采暖、制冷系统利用土壤巨大体量的储能蓄热功能，夏季制冷，冬季采暖。夏季将冷量从建筑物中转移至土壤，提高土壤温度；冬季将土壤中的热量取出，降低土壤温度，维持土壤地温场自然状态地温，使得地源热泵空调系统高效运行。地下温度场过高或过低，均对系统运行不利。绝大多数地源热泵空调系统都是冷热联供模式，以维持地源热泵系统地下温度场热量平衡。The ground source heat pump heating and cooling system utilizes the energy storage and heat storage function of the huge volume of soil, cooling in summer and heating in winter. In summer, the cold energy is transferred from the building to the soil to increase the soil temperature; in winter, the heat in the soil is taken out, the soil temperature is lowered, and the soil temperature field is maintained in a natural state, making the ground source heat pump air conditioning system operate efficiently. If the underground temperature field is too high or too low, it will be detrimental to the operation of the system. Most ground source heat pump air conditioning systems are in the combined cooling and heating mode to maintain the heat balance of the underground temperature field of the ground source heat pump system.
地源热泵系统在冬季采暖中节能优势明显，因而有不少项目只是用于冬季采暖，没有夏季制冷补热的功能，造成土壤温度逐年下降，以至于2～3年后无热可取，地下温度场的热平衡北打破，机组能效严重下降，不能正常使用；为了保持土壤的热平衡，夏季必须制冷，这就需要如果再投入制冷末端系统，使得系统投资过大，致使地源热泵采暖项目流产；有些严寒地区土壤温度低，不适合做地源热泵系统，如果能做到不利用空调制冷途径实现补热，而利用其他自然能源低成本高效率实现土壤补热，提高土壤的温度，利用土壤蓄能用于冬季使用，严寒地区低温土壤温度也可以用于地源热泵采暖。目前解决土壤补热问题的途径很多，比如太阳能等，但太阳能一次性投资过大，不经济，如何低成本经济合理解决无制冷工况下，地源热泵的补热维持土壤热平衡问题，是摆在地源热泵从业人员目前的课题。The ground source heat pump system has obvious advantages in energy saving in winter heating. Therefore, many projects are only used for heating in winter, without the function of cooling and supplementing heat in summer, resulting in a decrease in soil temperature year by year, so that after 2 to 3 years, there is no heat, and the underground temperature The heat balance of the field is broken, the energy efficiency of the unit is seriously reduced, and it cannot be used normally; in order to maintain the heat balance of the soil, it must be refrigerated in summer, which requires that if the cooling end system is put into use, the system investment is too large, resulting in the abortion of ground source heat pump heating projects; some The soil temperature in the severe cold area is low, which is not suitable for ground source heat pump system. If it can achieve heat supplementation without using air conditioning and refrigeration, but use other natural energy sources to achieve soil supplementation at low cost and high efficiency, increase soil temperature, and use soil to store energy. For use in winter, the low temperature soil temperature in severe cold areas can also be used for ground source heat pump heating. At present, there are many ways to solve the problem of soil heat supplementation, such as solar energy, etc., but the one-time investment of solar energy is too large, which is uneconomical. How to solve the problem of maintaining soil heat balance with ground source heat pump in the absence of refrigeration is a low cost and economical solution. Current topics for practitioners in ground source heat pumps.
实用新型内容Utility model content
本实用新型提供克服了必须采用空调制冷手段补热，以维持地下温度场热平衡，用于地源热泵系统冬季采暖问题的一种地源热泵空气/水喷淋换热补热采暖系统。The utility model provides a ground source heat pump air/water spray heat exchange heat supplementary heating system which overcomes the need to use air conditioning and refrigeration means to supplement heat to maintain the thermal balance of the underground temperature field and is used for the winter heating of the ground source heat pump system.
本实用新型的技术方案：The technical scheme of the present utility model:
土壤地埋管中约8--10℃的冷水经过喷淋方式与不低于15℃以上的热空气中进行热交换，细小水滴从热空气中获取热量，温度升高后，由于重力作用，水滴汇集流入风道下面的沉淀集水池，通过旋流除砂器，全程水处理器等过滤沉淀去掉水中的粉尘杂质后流入土壤耦合的地埋管换热器中，实现热空气能的能量转移到土壤中。The cold water at about 8--10°C in the soil buried pipe exchanges heat with the hot air not lower than 15°C by spraying, and the small water droplets obtain heat from the hot air. The water droplets are collected and flowed into the sedimentation sump below the air duct, and the dust and impurities in the water are filtered and precipitated by a cyclone desander, a full-process water processor, etc., and then flowed into the soil-coupled buried pipe heat exchanger to realize the energy transfer of hot air energy. into the soil.
一种地源热泵空气/水喷淋换热补热采暖系统，包括风道，所述风道进风口处安装有风机，所述风道出风口处安装有喷淋式全热换热器，所述风道的底部安装有沉淀集水池；A ground source heat pump air/water spray heat exchange heat supplementary heating system comprises an air duct, a fan is installed at the air inlet of the air duct, and a spray type total heat exchanger is installed at the air outlet of the air duct, A sedimentation sump is installed at the bottom of the air duct;
除砂器与所述沉淀集水池的底部相连，所述除砂器、水处理器、调节缓冲水箱和循环泵通过管道依次连接；The desander is connected to the bottom of the sedimentation sump, and the desander, the water processor, the adjustment buffer water tank and the circulating pump are connected in sequence through pipes;
所述循环泵连接埋于土壤中的地埋管换热器，所述地埋管换热器通过管道连接喷淋式全热换热器。喷淋式全热换热器顶部有布水器，将水流喷淋成细小水雾状，充分和热空气能接触，利用水雾的巨大比表面积实现和热空气热量交换。The circulating pump is connected to a buried pipe heat exchanger buried in the soil, and the buried pipe heat exchanger is connected to a spray type total heat exchanger through a pipeline. There is a water distributor on the top of the spray type total heat exchanger, which sprays the water flow into a small water mist, which can fully contact with the hot air, and utilizes the huge specific surface area of the water mist to achieve heat exchange with the hot air.
进一步的，所述沉淀集水池包括集水池池体，所述集水池池体上方设置有集水口，所述集水口与风道的底部连接，所述集水池池体底部设置有集水池出水口，所述集水池出水口与除砂器相连。Further, the sedimentation water collection tank includes a water collection tank body, a water collection port is arranged above the water collection tank tank body, the water collection port is connected with the bottom of the air duct, and the water collection tank outlet is provided at the bottom of the water collection tank tank body. , the water outlet of the sump is connected with the desander.
进一步的，所述喷淋式全热换热器为空气/水直接换热喷淋式全热换热器。Further, the spray type total heat exchanger is an air/water direct heat exchange spray type total heat exchanger.
进一步的，所述除砂器为旋流除砂器。Further, the desander is a cyclone desander.
进一步的，所述水处理器为全程水处理器。其作用是对水质处理预防结垢。Further, the water processor is a complete water processor. Its function is to prevent scaling in water treatment.
进一步的，所述调节缓冲水箱包括缓冲水箱本体，所述缓冲水箱本体的侧壁上设置有补水口和补水阀、缓冲水箱出水口和出水阀以及回水口和回水阀，所述缓冲水箱本体的底壁上设置有排污口，排污口处设置有排污管，所述排污管上安装有排污阀。Further, the adjustment buffer water tank includes a buffer water tank body, and the side wall of the buffer water tank body is provided with a water replenishment port and a water replenishment valve, a buffer water tank outlet and a water outlet valve, and a water return port and a water return valve. A sewage outlet is arranged on the bottom wall of the sewage outlet, a sewage outlet is arranged at the sewage outlet, and a sewage valve is installed on the sewage outlet.
进一步的，所述地埋管换热器包括不少于两组的U型管，所述U型管一端连接与循环泵连通的管道，另一端连接与喷淋式全热换热器连通的管道。Further, the buried tube heat exchanger includes no less than two sets of U-shaped tubes, one end of the U-shaped tube is connected to the pipeline communicated with the circulating pump, and the other end is connected to the spray type total heat exchanger. pipeline.
进一步的，所述风机为变频风机，所示风机和循环泵分别与变频器连接。Further, the fan is a variable frequency fan, and the fan and the circulation pump shown are connected to the frequency converter respectively.
本实用新型的有益效果：The beneficial effects of the present utility model:
本实用新型针对没有制冷补热或其它途径实现土壤源热泵采暖系统，或者低成本实现补热的地源热泵采暖系统，提出一种全新的低投入高效率利用空气自然能源低成本实现地源热泵系统土壤的补热和蓄热过程，提高了土壤的温度，达到节约投资和补热费用的目的；无需高成本投入制冷补热系统，也可实现土壤源热泵系统的热平衡问题。The utility model proposes a new low-input and high-efficiency utilization of air natural energy to realize a low-cost ground-source heat pump heating system for a ground-source heat-pump heating system without refrigeration supplementary heat or other means, or a ground-source heat-pump heating system that realizes supplemental heat at low cost The heat supplement and heat storage process of the soil in the system increases the temperature of the soil and achieves the purpose of saving investment and supplementary heat costs; the heat balance problem of the soil source heat pump system can also be realized without the need for high-cost investment in the cooling and heat supplement system.
地源热泵的优势在于冬季采暖，如果不考虑夏季制冷也能实现地热平衡，将能大幅度降低系统投入，拓宽地源热泵的应用范围和减低地源热泵系统必须冷热联供高额成本投入和冷热联供地源热泵系统的应用的局限性；一些原本就没有制冷功能的地源热泵系统的补热问题，不需要再另外投入高成本的制冷末端等设备和高额的制冷费用，也可也可低成本实现土壤的热平衡，将产生巨大的经济和社会效益，早期众多的已经饱受诟病计划放弃使用的地源热泵采暖项目能从根本上解决问题，利用自然资源低成本实现土壤的热平衡问题。The advantage of the ground source heat pump lies in heating in winter. If the geothermal balance can be achieved without considering the cooling in summer, the system investment will be greatly reduced, the application scope of the ground source heat pump will be expanded, and the high cost investment of the ground source heat pump system that must be combined with cooling and heating will be reduced. The limitations of the application of the ground source heat pump system with combined cooling and heating; the heat supplement of some ground source heat pump systems that have no cooling function, no need to invest in additional equipment such as high-cost cooling terminals and high cooling costs, It is also possible to realize the heat balance of the soil at low cost, which will produce huge economic and social benefits. Many early ground source heat pump heating projects that have been criticized and planned to abandon their use can fundamentally solve the problem and use natural resources to achieve low-cost soil heating. heat balance problem.
本实用新型直接将地埋管换热器中低温水（一般经过冬季取热，土壤温度降到7℃～8℃）通过循环泵输送到空气/水直接换热喷淋式全热换热器中，土壤换热后的冷水和热空气之间存在8℃---25℃的巨大大温差，这为自然界中存在热空气（相对于地埋管而言温度高）和低温土壤（一般在8--15℃）之间的换热创造了条件。将热空气中热量置换到冷水中，空气释放出显热和潜热降温排出，水吸收热量后升温（由10---15℃换热后温升到15---20℃），提高水温的循环水经过沉淀等净化处理后再回到低温土壤区，由于温差的存在（循环水15---20℃，土壤10℃），通过地埋管向土壤放热，提高土壤的温度。The utility model directly transports the low-temperature water in the buried pipe heat exchanger (generally after the heat is taken in winter, the soil temperature drops to 7°C to 8°C) to the air/water direct heat exchange spray type total heat exchanger through the circulating pump There is a huge temperature difference of 8 ℃---25 ℃ between the cold water and hot air after soil heat exchange, which is because of the existence of hot air (high temperature relative to buried pipes) and low temperature soil (generally in 8--15 ℃) to create conditions for heat exchange. The heat in the hot air is replaced with cold water, the air releases sensible heat and latent heat to cool down and discharge, and the water absorbs heat and then heats up (from 10---15℃ to 15---20℃ after heat exchange), increasing the temperature of the water. The circulating water is purified by precipitation and then returned to the low-temperature soil area. Due to the existence of temperature difference (15-20 °C for circulating water, 10 °C for soil), heat is released to the soil through buried pipes to increase the temperature of the soil.
本实用新型低投资、低运行费用前提下，不开制冷主机，不增加昂贵的制冷末端系统，实现土壤补热——将空气中能量转移到土壤中，提高土壤温度恢复土壤的冷热热平衡，储存以用于冬季取热，具有巨大的经济效益。Under the premise of low investment and low operating cost, the utility model does not open the main refrigeration unit, and does not increase the expensive refrigeration terminal system, so as to realize the supplementary heat of the soil—the energy in the air is transferred to the soil, the temperature of the soil is increased, and the balance of cold, heat and heat of the soil is restored. Storage for heating in winter has huge economic benefits.
当土壤温度由7℃～8℃低温恢复到15℃～16℃时，即使是地埋管换热器内的循环水换热后的水温仍低至20℃～21℃，和热空气30---36℃之间仍存在10℃以上温差，仍可实现水雾和空气的全热质交换，能确保地温场不低于15℃～16℃，满足地源热泵系统实现冬季高效采暖。本实用新型在空气气温和土壤之间只要存在10℃--15℃的温差，便可实现二者之间的热质交换和能量转移。一般浅层土壤温度是当地的年平均气温，可以利用地源热泵系统采暖的大多数地区，夏季空气的温度远远高于年/999潜热转移，效率高。When the soil temperature recovers from a low temperature of 7°C to 8°C to 15°C to 16°C, even the water temperature of the circulating water in the buried tube heat exchanger after heat exchange is still as low as 20°C to 21°C, and the temperature of the hot air is 30- There is still a temperature difference of more than 10 °C between -36 °C, and the full heat and mass exchange between water mist and air can still be achieved, which can ensure that the ground temperature field is not lower than 15 °C ~ 16 °C, which satisfies the ground source heat pump system to achieve efficient heating in winter. The utility model can realize heat and mass exchange and energy transfer between the air temperature and soil as long as there is a temperature difference of 10°C to 15°C. Generally, the shallow soil temperature is the local annual average temperature. In most areas where the ground source heat pump system can be used for heating, the temperature of the air in summer is much higher than the annual/999 latent heat transfer, and the efficiency is high.
本实用新型所涉及的补热系统，投入较少设备和运行能耗，实现空气中的自然能量转移到土壤中。主要设备是空气/水直接换热喷淋式全热换热器、风机设备，耗电低，系统设备投入少，因此是一种极低成本实现地源热泵土壤热平衡的方式。同时热空气降温净化后可输送到需要制冷降温的场所，实现废冷利用，即可置换新风，又可降温，实现空调降温的作用。The heat supplementing system involved in the utility model requires less equipment and operating energy consumption, and realizes the transfer of natural energy in the air to the soil. The main equipment is air/water direct heat exchange spray type total heat exchanger, fan equipment, low power consumption, less system equipment investment, so it is a very low-cost way to achieve ground source heat pump soil heat balance. At the same time, after the hot air is cooled and purified, it can be transported to the place that needs to be cooled and cooled, so as to realize the utilization of waste cooling, which can replace the fresh air and cool down, so as to realize the cooling effect of the air conditioner.
附图说明Description of drawings
图1为本实用新型的结构示意图。Figure 1 is a schematic structural diagram of the utility model.
附图中，1.风道，2.风机，3.沉淀集水池，4.喷淋式全热换热器，5.除砂器，6.水处理器，7.调节缓冲水箱，8.循环泵，9.地埋管换热器，9-1.土壤，10.管道，11.细小水滴，12.变频器，A:空气进入口，B:空气排出口。In the drawings, 1. Air duct, 2. Fan, 3. Sedimentation sump, 4. Spray type total heat exchanger, 5. Desander, 6. Water processor, 7. Adjustment buffer tank, 8. Circulating pump, 9. Buried pipe heat exchanger, 9-1. Soil, 10. Pipeline, 11. Small water droplets, 12. Frequency converter, A: Air inlet, B: Air outlet.
具体实施方式Detailed ways
如图1所示，一种地源热泵空气/水喷淋换热补热采暖系统，包括风道1，所述风道1进风口处安装有风机2，所述风道1出风口处安装有喷淋式全热换热器4，所述风道1的底部安装有沉淀集水池3；As shown in Figure 1, a ground source heat pump air/water spray heat exchange heat supplementary heating system includes an
除砂器5与所述沉淀集水池3的底部相连，除砂器5、水处理器6、调节缓冲水箱7和循环泵8通过管道10依次连接；The
所述循环泵8连接埋于土壤9-1中的地埋管换热器9，所述地埋管换热器9通过管道10连接喷淋式全热换热器4。The circulating
所述沉淀集水池3包括集水池池体，所述集水池池体上方设置有集水口，所述集水口与风道1的底部连接，所述集水池池体底部设置有集水池出水口，所述集水池出水口与除砂器5相连。The
所述喷淋式全热换热器4为空气/水直接换热喷淋式全热换热器。The spray type total heat exchanger 4 is an air/water direct heat exchange spray type total heat exchanger.
所述除砂器5为旋流除砂器。The
所述水处理器6为全程水处理器。The water processor 6 is a complete water processor.
所述调节缓冲水箱7包括缓冲水箱本体，所述缓冲水箱本体的侧壁上设置有补水口和补水阀、缓冲水箱出水口和出水阀以及回水口和回水阀，所述缓冲水箱本体的底壁上设置有排污口，排污口处设置有排污管，所述排污管上安装有排污阀。The adjusting
所述地埋管换热器9包括不少于两组的U型管，所述U型管一端连接与循环泵8连通的管道10，另一端连接与喷淋式全热换热器4连通的管道10。The buried
所述风机2为变频风机，所示风机2和循环泵8分别与变频器12连接。The fan 2 is a variable frequency fan, and the fan 2 and the
土壤地埋管换热器9中约8--10℃的冷水经过喷淋方式与不低于15℃以上的热空气中进行热交换，细小水滴11从热空气中获取热量，温度升高后，由于重力作用，水滴汇集流入风道1下面的沉淀集水池3，通过除砂器5，水处理器6过滤沉淀去掉水中的粉尘杂质后流入土壤耦合的地埋管换热器9中，实现热空气能的能量转移到土壤中。换热前高温高湿度热空气从空气进入口A进入，换热降温后的低温空气从空气排出口B排出。The cold water of about 8--10°C in the soil buried
本实用新型直接将地埋管换热器9中低温水（一般经过冬季取热，土壤温度降到7℃～8℃）通过循环泵8输送到空气/水直接换热喷淋式全热换热器4中，土壤换热后的冷水和热空气之间存在8℃---25℃的巨大大温差，这为自然界中存在热空气（相对于地埋管而言温度高）和低温土壤（一般在8--15℃）之间的换热创造了条件。将热空气中热量置换到冷水中，空气释放出显热和潜热降温排出，水吸收热量后升温（由10---15℃换热后温升到15---20℃），提高水温的循环水经过沉淀等净化处理后再回到低温土壤区，由于温差的存在（循环水15---20℃，土壤10℃），通过地埋管换热器9向土壤放热，提高土壤的温度。The utility model directly transports the low-temperature water in the buried pipe heat exchanger 9 (generally, the heat is obtained in winter, and the soil temperature drops to 7°C to 8°C) through the circulating
当土壤温度由7℃～8℃低温恢复到15℃～16℃时，即使是地埋管换热器9内的循环水换热后的水温仍低至20℃～21℃，和热空气30---36℃之间仍存在10℃以上温差，仍可实现水雾和空气的全热质交换，能确保地温场不低于15℃～16℃，满足地源热泵系统实现冬季高效采暖。本实用新型在空气气温和土壤之间只要存在10℃--15℃的温差，便可实现二者之间的热质交换和能量转移。一般浅层土壤温度是当地的年平均气温，可以利用地源热泵系统采暖的大多数地区，夏季空气的温度远远高于年/999潜热转移，效率高。When the soil temperature recovers from a low temperature of 7°C to 8°C to 15°C to 16°C, even the water temperature of the circulating water in the buried
以上所述仅是本实用新型的示范性实施方式，而非用于限制本实用新型的保护范围，本实用新型的保护范围由所附的权利要求确定。The above descriptions are only exemplary embodiments of the present invention, and are not intended to limit the protection scope of the present invention, which is determined by the appended claims.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007826A (en)* | 2021-03-22 | 2021-06-22 | 苏州正乙丙纳米环保科技有限公司 | High-efficiency utilization system for solar energy and shallow geothermal energy hybrid energy storage |
| CN113028537A (en)* | 2021-03-22 | 2021-06-25 | 苏州正乙丙纳米环保科技有限公司 | Utilize novel energy to carry out warm logical system of energizing to air through water atomization |
| CN113251693A (en)* | 2021-05-24 | 2021-08-13 | 刘秋克 | Direct energy storage heat pump system for summer heat |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007826A (en)* | 2021-03-22 | 2021-06-22 | 苏州正乙丙纳米环保科技有限公司 | High-efficiency utilization system for solar energy and shallow geothermal energy hybrid energy storage |
| CN113028537A (en)* | 2021-03-22 | 2021-06-25 | 苏州正乙丙纳米环保科技有限公司 | Utilize novel energy to carry out warm logical system of energizing to air through water atomization |
| CN113251693A (en)* | 2021-05-24 | 2021-08-13 | 刘秋克 | Direct energy storage heat pump system for summer heat |
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