技术领域Technical Field
本发明涉及发电机组技术领域，尤其涉及一种矿热炉尾气发电机组。The invention relates to the technical field of generator sets, and in particular to a submerged arc furnace tail gas generator set.
背景技术Background technique
目前铁合金厂产生的矿热炉煤气一般通过火炬燃烧排放或送入燃气锅炉作为燃料燃烧使用，直接排放不仅造成资源浪费，同时也污染了环境，用做燃气锅炉燃料虽然将热炉煤气回收利用，但是产品单一经济效益差，能量利用率不高。如何能有效的提高矿热炉煤气利用率，对矿热炉排放的煤气能充分有效的利用。At present, the coal gas from the submerged arc furnace produced by the ferroalloy plant is generally discharged through torch combustion or sent to the gas boiler for combustion as fuel. Direct discharge not only causes waste of resources, but also pollutes the environment. Although the coal gas from the submerged arc furnace is recycled and reused as fuel for the gas boiler, the product is single and has poor economic benefits and low energy utilization. How to effectively improve the utilization rate of coal gas from the submerged arc furnace and make full and effective use of the coal gas discharged from the submerged arc furnace?
发明内容Summary of the invention
本发明提出了一种矿热炉尾气发电机组。The invention provides a submerged arc furnace tail gas generator set.
为了实现上述目的，本发明采用了如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种矿热炉尾气发电机组，包括进气蜗壳、排气蜗壳、气缸，所述气缸与进气道、排气道相连接，所述进气道与进气管路相连接，所述进气管路与中冷器相连接，所述中冷器与进气蜗壳相连接，所述进气蜗壳与混合器相连接，所述混合器与蝶阀一相连接，所述蝶阀一与阻火器一相连接，所述阻火器一还与矿热炉相连接，所述排气道与排气蜗壳相连接，所述排气蜗壳与排气总管相连接，每个气缸的进气道上装有一个电控阀。A submerged arc furnace tail gas generator set comprises an intake volute, an exhaust volute and a cylinder, wherein the cylinder is connected to an intake duct and an exhaust duct, the intake duct is connected to an intake pipeline, the intake pipeline is connected to an intercooler, the intercooler is connected to the intake volute, the intake volute is connected to a mixer, the mixer is connected to a butterfly valve, the butterfly valve is connected to a flame arrester, the flame arrester is also connected to the submerged arc furnace, the exhaust duct is connected to the exhaust volute, the exhaust volute is connected to an exhaust main pipe, and an electric control valve is installed on the intake duct of each cylinder.
进一步的，所述进气蜗壳与中冷器之间装有阻火器二，所述中冷器与进气管路之间装有阻火器三和节气门。Furthermore, a second flame arrester is installed between the intake volute and the intercooler, and a third flame arrester and a throttle valve are installed between the intercooler and the intake pipeline.
进一步的，所述阻火器与蝶阀一之间装有用于存放矿热炉尾气的储罐一。Furthermore, a storage tank for storing the tail gas of the electric arc furnace is installed between the flame arrester and the butterfly valve.
进一步的，所述空气滤清器与用于储存空气或氧气的储罐二。Furthermore, the air filter is connected to a storage tank 2 for storing air or oxygen.
进一步的，所述排气总管的出气端装有消音器。Furthermore, a muffler is installed at the outlet end of the exhaust manifold.
进一步的，所述进气管道上装有蝶阀二。Furthermore, a second butterfly valve is installed on the air intake pipe.
进一步的，所述气缸设置有双数个。Furthermore, the cylinders are provided in an even number.
进一步的，所述气缸设置有16个，每8个为一组，每组气缸呈一行水平排列，每组气缸配有一个蝶阀二、一个混合器、一个排气蜗壳、一个进气蜗壳、一个调压阀、一个中冷器。Furthermore, there are 16 cylinders, each 8 cylinders forming a group, each group of cylinders is arranged horizontally in a row, and each group of cylinders is equipped with a butterfly valve 2, a mixer, an exhaust volute, an intake volute, a pressure regulating valve, and an intercooler.
进一步的，所述蝶阀一与混合器之间设置有调压阀和止回阀。Furthermore, a pressure regulating valve and a check valve are provided between the butterfly valve 1 and the mixer.
进一步的，所述发电机组还包括控制系统，每个气缸中装有温度传感器，每个气缸中还装有气体浓度传感器，所述控制系统与温度传感器、气体浓度传感器相连接。Furthermore, the generator set also includes a control system, each cylinder is equipped with a temperature sensor, each cylinder is also equipped with a gas concentration sensor, and the control system is connected to the temperature sensor and the gas concentration sensor.
进一步的，所述控制系统还与电控阀相连接。Furthermore, the control system is also connected to an electric control valve.
有益之处：本发明矿热炉煤气发电机组通过对工业生产过程中排放出的煤炭废气进行收集和利用，实现了废气资源的综合利用，降低了能源浪费；相比于直接排放废气到大气中，矿热炉煤气发电机组能够通过燃烧废气产生动力，减少了有害气体的排放，对环境的污染程度较低。Advantages: The coal gas generator set of the present invention collects and utilizes the coal waste gas discharged during the industrial production process, thereby realizing the comprehensive utilization of waste gas resources and reducing energy waste. Compared with directly discharging waste gas into the atmosphere, the coal gas generator set of the coal gas generator set of the present invention can generate power by burning waste gas, thereby reducing the emission of harmful gases and having a lower degree of pollution to the environment.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1为本发明中实施例一的示意图；FIG1 is a schematic diagram of Embodiment 1 of the present invention;
图2为本发明中每个气缸的管路连接示意图；FIG2 is a schematic diagram of the pipeline connection of each cylinder in the present invention;
图3为本发明中实施例二的示意图。FIG. 3 is a schematic diagram of Embodiment 2 of the present invention.
图中：1矿热炉，2阻火器一，3储罐一，4蝶阀一，5调压阀，6止回阀，7混合器，8储罐二，9空气滤清器，10进气蜗壳，11排气蜗壳，12排气总管，13消音器，14阻火器二，15中冷器，16阻火器三，17节气门，18进气管路，19进气道，20气缸，21排气道，22排气管支管，23蝶阀二，24电控阀，25进气支管一，26进气支管二。In the figure: 1 electric arc furnace, 2 flame arrester 1, 3 storage tank 1, 4 butterfly valve 1, 5 pressure regulating valve, 6 check valve, 7 mixer, 8 storage tank 2, 9 air filter, 10 intake volute, 11 exhaust volute, 12 exhaust main pipe, 13 muffler, 14 flame arrester 2, 15 intercooler, 16 flame arrester 3, 17 throttle, 18 intake pipeline, 19 intake duct, 20 cylinder, 21 exhaust duct, 22 exhaust pipe branch, 23 butterfly valve 2, 24 electric control valve, 25 intake branch pipe 1, 26 intake branch pipe 2.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
在本发明的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
实施例一：Embodiment 1:
参照图1-2，一种矿热炉1尾气发电机组，包括进气蜗壳10、排气蜗壳11、气缸20，所述气缸20与进气道19、排气道21相连接，所述进气道19与进气管路18相连接，所述进气管路18与中冷器15相连接，所述中冷器15与进气蜗壳10相连接，所述进气蜗壳10与混合器7相连接，所述混合器7与蝶阀一4相连接，所述蝶阀一4与阻火器一2相连接，所述阻火器一2还与矿热炉1相连接，所述排气道21与排气蜗壳11相连接，所述排气蜗壳11与排气总管12相连接，每个气缸20的进气道19上装有一个电控阀24。所述进气蜗壳10与中冷器15之间装有阻火器二14，所述中冷器15与进气管路18之间装有阻火器三16和节气门17。所述阻火器与蝶阀一4之间装有用于存放矿热炉1尾气的储罐一3。所述空气滤清器9与用于储存空气或氧气的储罐二8。所述排气总管12的出气端装有消音器13。所述进气管道上装有蝶阀二23。所述气缸20设置有双数个。所述气缸20设置有16个，每8个为一组，每组气缸20呈一行水平排列，每组气缸20配有一个蝶阀二23、一个混合器7、一个排气蜗壳11、一个进气蜗壳10、一个调压阀5、一个中冷器15。所述蝶阀一4与混合器7之间设置有调压阀5和止回阀6。1-2, an exhaust gas generator set of an electric arc furnace 1 includes an intake volute 10, an exhaust volute 11, and a cylinder 20. The cylinder 20 is connected to an intake duct 19 and an exhaust duct 21. The intake duct 19 is connected to an intake pipeline 18, and the intake pipeline 18 is connected to an intercooler 15. The intercooler 15 is connected to the intake volute 10. The intake volute 10 is connected to a mixer 7. The mixer 7 is connected to a butterfly valve 4. The butterfly valve 4 is connected to a flame arrester 2. The flame arrester 2 is also connected to the electric arc furnace 1. The exhaust duct 21 is connected to the exhaust volute 11. The exhaust volute 11 is connected to an exhaust main pipe 12. An electric control valve 24 is installed on the intake duct 19 of each cylinder 20. A flame arrester 2 14 is installed between the intake volute 10 and the intercooler 15, and a flame arrester 3 16 and a throttle 17 are installed between the intercooler 15 and the intake pipe 18. A storage tank 3 for storing the tail gas of the submerged arc furnace 1 is installed between the flame arrester and the butterfly valve 1 4. The air filter 9 and the storage tank 2 8 for storing air or oxygen. A muffler 13 is installed at the outlet end of the exhaust manifold 12. A butterfly valve 23 is installed on the intake pipe. The cylinders 20 are arranged in an even number. There are 16 cylinders 20, each 8 cylinders form a group, and each group of cylinders 20 is arranged horizontally in a row. Each group of cylinders 20 is equipped with a butterfly valve 2 23, a mixer 7, an exhaust volute 11, an intake volute 10, a pressure regulating valve 5, and an intercooler 15. A pressure regulating valve 5 and a check valve 6 are arranged between the butterfly valve 1 4 and the mixer 7.
所述发电机组还包括控制系统，每个气缸20中装有温度传感器，每个气缸20中还装有气体浓度传感器，所述控制系统与温度传感器、气体浓度传感器相连接。所述控制系统还与电控阀24相连接。The generator set also includes a control system, each cylinder 20 is equipped with a temperature sensor, each cylinder 20 is also equipped with a gas concentration sensor, and the control system is connected to the temperature sensor and the gas concentration sensor. The control system is also connected to the electric control valve 24.
发电机组工作时，矿热炉1产生的尾气或煤气经过阻火器一2后进入储罐一3中，尾气在储罐一3中暂存，防止了矿热炉1产生的尾气量不稳定从而导致发动机熄火的现象发生，尾气从储罐一3中出来后经过蝶阀一4、调压阀5、止回阀6后进入混合器7，空气也通过空气滤清器9的过滤后进入混合器7中，在混合器7中空气和尾气混合后经过进气蜗壳10加压后再依次经过阻火器二14、中冷器15、阻火器三16、节气门17、进气管路18、进气道19后进入气缸20内燃烧做工后，经过排气道21进入排气管支管22后再进入排气总管12和消音器13后排出，通过发动机燃烧尾气做工带动发电机做工从而产生电能。进气通道中安装有三个阻火器，防止了进气管的回火和排气管的放炮，保证运行更安全。控制系统通过采集缸内燃烧温度、过量空气系数来监控发电机机组运行状态，能够适应燃气压力、成分变化，自动调整发动机空燃比；通过在每个气缸20上安装电控阀24实现了单缸进气控制，单缸控制空燃比，使各个气缸20工作均匀性提高，同时可以有效降低进气回火。When the generator set is working, the exhaust gas or coal gas generated by the ore-heating furnace 1 passes through the flame arrester 2 and then enters the storage tank 3. The exhaust gas is temporarily stored in the storage tank 3 to prevent the exhaust gas amount generated by the ore-heating furnace 1 from being unstable, thereby causing the engine to stall. After the exhaust gas comes out of the storage tank 3, it passes through the butterfly valve 4, the pressure regulating valve 5, and the check valve 6 and then enters the mixer 7. The air also enters the mixer 7 after being filtered by the air filter 9. After the air and exhaust gas are mixed in the mixer 7, they are pressurized by the intake volute 10 and then pass through the flame arrester 2 14, the intercooler 15, the flame arrester 3 16, the throttle 17, the intake pipe 18, and the intake duct 19 in sequence, and then enter the cylinder 20 for combustion. After that, it passes through the exhaust duct 21 and enters the exhaust pipe branch 22, and then enters the exhaust main pipe 12 and the muffler 13 and is discharged. The combustion of the exhaust gas by the engine drives the generator to work, thereby generating electrical energy. Three flame arresters are installed in the intake passage to prevent backfire in the intake pipe and backfire in the exhaust pipe, ensuring safer operation. The control system monitors the operating status of the generator set by collecting the combustion temperature and excess air coefficient in the cylinder, and can adapt to changes in gas pressure and composition and automatically adjust the engine air-fuel ratio; single-cylinder intake control is achieved by installing an electric control valve 24 on each cylinder 20, and the air-fuel ratio of each cylinder is controlled, so that the working uniformity of each cylinder 20 is improved, and the intake backfire can be effectively reduced.
实施例二：Embodiment 2:
参照图2-3，一种矿热炉1尾气发电机组，包括空气进气通道、尾气进气通道和排气通道，所述空气进气通道包括空气滤清器9，所述空气滤清器9与一进气蜗壳10相连接，该进气蜗壳10与进气支管一25相连接，所述进气支管一25与气缸20相连接，所述尾气进气通道包括阻火器一2，所述阻火器一2的一端与矿热炉1相连接，所述阻火器的另一端与另一进气蜗壳10相连接，该进气蜗壳10与进气支管二26相连接，所述进气支管二26与气缸20相连接，所述排气通道包括排气蜗壳11，所述排气蜗壳11的进气端与排气管支管22相连接，所述排气管支管22与气缸20相连接，所述排气蜗壳11的出气端与排气总管12相连接。所述空气进气通道的进气蜗壳10与进气支管一25之间依次设置有阻火器二14、中冷器15、阻火器三16、节气门17。所述尾气进气通道的阻火器一2与进气蜗壳10之间依次设置有蝶阀一4、调压阀5、止回阀6。所述阻火器一2与蝶阀一4之间设置有用于存放矿热炉1尾气的储罐一3。所述尾气进气通道的进气蜗壳10与进气支管二26之间依次设置有阻火器二14、中冷器15、阻火器三16、节气门17。Referring to Figures 2-3, an electric power generator set of an electric arc furnace 1 exhaust gas includes an air intake channel, an exhaust gas intake channel and an exhaust channel, the air intake channel includes an air filter 9, the air filter 9 is connected to an intake volute 10, the intake volute 10 is connected to an intake branch pipe 25, the intake branch pipe 25 is connected to a cylinder 20, the exhaust gas intake channel includes a flame arrester 2, one end of the flame arrester 2 is connected to the electric arc furnace 1, the other end of the flame arrester is connected to another intake volute 10, the intake volute 10 is connected to an intake branch pipe 26, the intake branch pipe 26 is connected to the cylinder 20, the exhaust channel includes an exhaust volute 11, the intake end of the exhaust volute 11 is connected to an exhaust pipe branch pipe 22, the exhaust pipe branch pipe 22 is connected to the cylinder 20, and the outlet end of the exhaust volute 11 is connected to an exhaust main pipe 12. Flame arrester 2 14, intercooler 15, flame arrester 3 16, and throttle 17 are sequentially arranged between the air intake volute 10 and the intake branch pipe 1 25 of the air intake passage. Butterfly valve 1 4, pressure regulating valve 5, and check valve 6 are sequentially arranged between the flame arrester 1 2 and the intake volute 10 of the exhaust gas intake passage. A storage tank 3 for storing the exhaust gas of the submerged arc furnace 1 is arranged between the flame arrester 1 2 and the butterfly valve 1 4. Flame arrester 2 14, intercooler 15, flame arrester 3 16, and throttle 17 are sequentially arranged between the intake volute 10 and the intake branch pipe 2 26 of the exhaust gas intake passage.
所述发电机组还包括控制系统，每个气缸20中装有温度传感器，每个气缸20中还装有气体浓度传感器，所述控制系统与温度传感器、气体浓度传感器相连接。所述控制系统还与电控阀24相连接。The generator set also includes a control system, each cylinder 20 is equipped with a temperature sensor, each cylinder 20 is also equipped with a gas concentration sensor, and the control system is connected to the temperature sensor and the gas concentration sensor. The control system is also connected to the electric control valve 24.
发电机组工作时，矿热炉1产生的尾气或煤气经过阻火器一2后进入储罐一3中，尾气在储罐一3中暂存，防止了矿热炉1产生的尾气量不稳定从而导致发动机熄火的现象发生，尾气从储罐一3中出来后经过蝶阀一4、调压阀5、止回阀6后进入一个进气蜗壳10中，经过进气蜗壳10加压后再依次经过阻火器二14、中冷器15、阻火器三16、节气门17、进气支管二26后进入气缸20内，空气通过空气进气通道的空气滤清器9的过滤后进入另一个进气蜗壳10中，经过进气蜗壳10加压后再依次经过阻火器二14、中冷器15、阻火器三16、节气门17、进气支管一25后也进入气缸20内，在气缸20中空气和尾气混合后燃烧做工，经过排气道21进入排气管支管22后再进入排气总管12和消音器13后排出，通过发动机燃烧尾气做工带动发电机做工从而产生电能。进气通道中一共安装有五个个阻火器，防止了进气管的回火和排气管的放炮，保证运行更安全。本实施例的空气和尾气在发动机的气缸20内混合，两条进气通道完全隔离，一个进燃气，一个进空气，燃气和空气在进入气缸20前完全隔离，进入气缸20后混合，从结构上避免了进气管回火；控制系统通过采集缸内燃烧温度、过量空气系数来监控发电机机组运行状态，能够适应燃气压力、成分变化，自动调整发动机空燃比；通过在每个气缸20上安装电控阀24实现了单缸进气控制，单缸控制空燃比，使各个气缸20工作均匀性提高，同时可以有效降低进气回火。When the generator set is working, the tail gas or coal gas generated by the ore-heating furnace 1 passes through the flame arrester 2 and enters the storage tank 3. The tail gas is temporarily stored in the storage tank 3 to prevent the unstable tail gas volume generated by the ore-heating furnace 1 from causing the engine to stall. After the tail gas comes out of the storage tank 3, it passes through the butterfly valve 4, the pressure regulating valve 5, and the check valve 6 and enters an intake volute 10. After being pressurized by the intake volute 10, it passes through the flame arrester 2 14, the intercooler 15, the flame arrester 3 16, the throttle 17, and the intake branch pipe 2 26 in sequence and enters the cylinder 20. In the cylinder 20, the air is mixed with the exhaust gas and then burned. After passing through the exhaust pipe branch 22 through the exhaust duct 21, the air enters the exhaust main pipe 12 and the muffler 13 and is discharged. The exhaust gas is burned by the engine to drive the generator to generate electricity. A total of five flame arresters are installed in the intake channel to prevent backfire in the intake pipe and backfire in the exhaust pipe, ensuring safer operation. In this embodiment, the air and exhaust gas are mixed in the cylinder 20 of the engine, and the two intake passages are completely isolated, one for intake of combustion gas and the other for intake of air. The combustion gas and air are completely isolated before entering the cylinder 20 and mixed after entering the cylinder 20, thereby structurally avoiding backfire in the intake pipe. The control system monitors the operating status of the generator set by collecting the combustion temperature and excess air coefficient in the cylinder, and can adapt to changes in the combustion gas pressure and composition and automatically adjust the air-fuel ratio of the engine. Single-cylinder intake control is achieved by installing an electric control valve 24 on each cylinder 20, and the air-fuel ratio of the single cylinder is controlled, so that the working uniformity of each cylinder 20 is improved, and at the same time, the intake backfire can be effectively reduced.
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410044668.XACN117846738A (en) | 2024-01-12 | 2024-01-12 | Submerged arc furnace tail gas generator set |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410044668.XACN117846738A (en) | 2024-01-12 | 2024-01-12 | Submerged arc furnace tail gas generator set |
| Publication Number | Publication Date |
|---|---|
| CN117846738Atrue CN117846738A (en) | 2024-04-09 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410044668.XAPendingCN117846738A (en) | 2024-01-12 | 2024-01-12 | Submerged arc furnace tail gas generator set |
| Country | Link |
|---|---|
| CN (1) | CN117846738A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100065029A1 (en)* | 2008-09-12 | 2010-03-18 | Ford Global Technologies, Llc | Air supply system for an internal combustion engine |
| CN102061990A (en)* | 2011-02-15 | 2011-05-18 | 董希明 | Controllable double-stroke energy-saving and environmental-protection engine |
| GB201218132D0 (en)* | 2012-10-10 | 2012-11-21 | Gm Global Tech Operations Inc | Intake air module of an internal combustion engine |
| CN106285984A (en)* | 2016-08-31 | 2017-01-04 | 大连理工大学 | The method controlling to widen low-temperature burning cylinder performance load |
| CN209277962U (en)* | 2018-12-19 | 2019-08-20 | 丰镇市兴丰宇铁合金有限责任公司 | A kind of mineral hot furnace tail gas recycle afterheat generating system |
| CN110230538A (en)* | 2019-06-29 | 2019-09-13 | 山东中拓新能源有限公司 | A kind of diesel oil ignited unit and its progress control method |
| CN112696264A (en)* | 2020-12-31 | 2021-04-23 | 山东普利达新能源科技有限公司 | Hydrogen and diesel dual-fuel generator set |
| CN219826991U (en)* | 2023-04-25 | 2023-10-13 | 李传光 | Silicon-manganese alloy tail gas treatment system |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100065029A1 (en)* | 2008-09-12 | 2010-03-18 | Ford Global Technologies, Llc | Air supply system for an internal combustion engine |
| CN102061990A (en)* | 2011-02-15 | 2011-05-18 | 董希明 | Controllable double-stroke energy-saving and environmental-protection engine |
| GB201218132D0 (en)* | 2012-10-10 | 2012-11-21 | Gm Global Tech Operations Inc | Intake air module of an internal combustion engine |
| CN106285984A (en)* | 2016-08-31 | 2017-01-04 | 大连理工大学 | The method controlling to widen low-temperature burning cylinder performance load |
| CN209277962U (en)* | 2018-12-19 | 2019-08-20 | 丰镇市兴丰宇铁合金有限责任公司 | A kind of mineral hot furnace tail gas recycle afterheat generating system |
| CN110230538A (en)* | 2019-06-29 | 2019-09-13 | 山东中拓新能源有限公司 | A kind of diesel oil ignited unit and its progress control method |
| CN112696264A (en)* | 2020-12-31 | 2021-04-23 | 山东普利达新能源科技有限公司 | Hydrogen and diesel dual-fuel generator set |
| CN219826991U (en)* | 2023-04-25 | 2023-10-13 | 李传光 | Silicon-manganese alloy tail gas treatment system |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20240409 |