Gas engine exhaust gas treatment equipment

Abstract

The present application relates to the technical field of exhaust gas treatment, and in particular to a gas engine exhaust gas treatment device, including an intake assembly, a filter assembly and a catalytic assembly, wherein the intake assembly includes two intake pipes, one end of each of the two intake pipes is connected to the exhaust port of the gas engine, the filter assembly includes two mounting parts, the mounting parts correspond to the intake pipes one by one, the mounting parts include mounting pipes, and the mounting pipes are connected to one end of the intake pipe away from the gas engine; the catalytic assembly includes two catalytic parts and two preheating parts, the catalytic parts correspond to the mounting pipes one by one, the catalytic parts include a mounting ring and a catalytic reactor, the mounting ring is coaxially connected in the mounting pipe, the catalytic reactor is connected in the mounting ring, the catalytic reactor is used for catalytic conversion of the exhaust gas, the preheating part is located on the side of the mounting ring close to the intake pipe, the preheating part is connected to the mounting pipe, and the preheating part is used to heat the mounting pipe to form a heating zone; the present application has the effect of improving the large temperature fluctuation of the exhaust gas.

Description

Technical Field

[0001] The present application relates to the technical field of exhaust gas treatment, and in particular to an exhaust gas treatment device for a gas engine. Background Art

[0002] As a highly efficient power source, gas engines are widely used in power generation, transportation and other fields. Due to their high efficiency and low pollution characteristics, gas engines have become an important part of modern industry. However, the exhaust gas generated by gas engines during operation contains a variety of harmful substances, such as carbon monoxide, nitrogen oxides and particulate matter. If these exhaust gases are directly discharged into the environment without effective treatment, they will have a serious impact on air quality, and thus endanger human health and the ecological environment.

[0003] In the treatment of gas engine exhaust, the commonly used technical means currently include catalytic conversion technology and physical filtration technology. Catalytic conversion technology converts harmful substances in exhaust gas into harmless substances by using catalysts. Common catalyst types include precious metal catalysts (such as platinum and palladium) and non-precious metal catalysts (such as copper and iron). Physical filtration technology mainly relies on various filter materials to remove particulate matter in exhaust gas. Common filter materials include multi-layer metal mesh, ceramic filters and activated carbon. In addition, some equipment will also be equipped with preheating devices and cooling devices to improve catalytic conversion efficiency and filtration effects.

[0004] Regarding the above-mentioned related technologies, the above-mentioned technical means can reduce the content of harmful substances in exhaust gas to a certain extent, but there are still some obvious shortcomings. During the catalytic conversion process, the activity and life of the catalyst are greatly affected by temperature, and the exhaust gas temperature discharged by the gas engine fluctuates greatly, which will cause the catalyst performance to be unstable, thereby affecting the treatment effect. Summary of the invention

[0005] In order to improve the problem of large exhaust gas temperature fluctuations, the present application provides a gas engine exhaust gas treatment device.

[0006] The present application provides a gas engine exhaust gas treatment device that adopts the following technical solution:

[0007] A gas engine exhaust gas treatment device, comprising an intake assembly, a filter assembly and a catalytic assembly, wherein the intake assembly comprises two intake pipes, one end of each of the two intake pipes is communicated with an exhaust port of a gas engine, the filter assembly comprises two mounting members, the mounting members correspond to the intake pipes one by one, the mounting members comprise mounting pipes, the mounting pipes are connected to one end of the intake pipes away from the gas engine, and the mounting pipes are communicated with the intake pipes;

[0008] The catalytic assembly includes two catalytic parts and two preheating parts, the catalytic parts correspond to the mounting tubes one by one, the catalytic parts include a mounting ring and a catalytic reactor, the mounting ring is coaxially connected to the mounting tube, the catalytic reactor is connected to the mounting ring, the catalytic reactor is used for catalytic conversion of exhaust gas, the preheating parts correspond to the mounting tubes one by one, the preheating parts are located on the side of the mounting ring close to the intake pipe, the preheating parts are connected to the mounting tube, and the preheating parts are used to heat the mounting tube to form a heating zone.

[0009] By adopting the above technical scheme, when it is necessary to treat the exhaust gas of the gas engine, the exhaust gas generated by the gas engine flows to the intake pipe, the preheating part is started, and the preheating part heats the installation pipe. When the exhaust gas flows into the installation pipe, the preheating part can heat the exhaust gas, and the heated exhaust gas is catalytically converted through the catalytic reactor. Compared with the related art, the gas engine exhaust gas treatment equipment can effectively treat the exhaust gas generated by the gas engine and reduce the emission of harmful substances. Specifically: the two intake pipes are respectively connected to the exhaust port of the gas engine to ensure that the exhaust gas can smoothly enter the subsequent treatment link, the installation pipe in the filter assembly is connected to the intake pipe to ensure that the exhaust gas can enter the filtering link, the catalytic reactor is connected to the installation ring, and can efficiently catalytically convert the exhaust gas. The preheating part heats the installation pipe to form a heating zone to ensure that the exhaust gas reaches a suitable temperature before entering the catalytic reactor, thereby improving the catalytic conversion efficiency and reducing the performance instability of the catalyst caused by temperature fluctuations. Efficient treatment of the exhaust gas of the gas engine is achieved, the emission of harmful substances is significantly reduced, and the environmental protection performance is improved.

[0010] In a specific possible implementation manner, the mounting ring is rotatably connected to the mounting tube;

[0011] The catalytic component also includes a rotating part, which includes two second outer gear rings and a second gear. The second outer gear rings correspond to the mounting rings one by one, and the second outer gear rings are coaxially sleeved on the outside of the mounting ring. A second ring groove for the second outer gear ring to rotate is provided in the mounting tube. A second meshing groove is provided on one side of the two mounting tubes close to each other. The second gear is located between the two intake pipes, and both sides of the second gear extend into one of the second meshing grooves to mesh with one of the second outer gear rings.

[0012] By adopting the above technical solution, the mounting ring is rotatably connected to the mounting tube, so that the catalytic reactor can rotate together with the mounting ring, thereby performing more uniform catalytic treatment on the exhaust gas and improving the catalytic efficiency. At the same time, the setting of the rotating part enables the mounting ring to rotate stably, ensuring the continuity and stability of the catalytic process, further improving the exhaust gas treatment effect, and the matching design of the second outer gear ring and the second gear realizes precise control of the mounting ring, ensuring the residence time and distribution state of the exhaust gas in the catalytic reactor, and enhancing the effect of catalytic conversion.

[0013] In a specific possible implementation manner, the catalytic reactor comprises a plurality of catalyst carriers, the plurality of catalyst carriers are fixed in the mounting ring, the plurality of catalyst carriers are spaced apart and distributed along the exhaust gas flow direction, and each of the catalyst carriers is coated with a different catalyst.

[0014] By adopting the above technical solution, the arrangement of multiple catalyst carriers enables the catalytic reactor to simultaneously treat multiple harmful substances in the exhaust gas, thereby improving the catalytic efficiency. Different catalysts coated on different catalyst carriers can specifically treat different types of carbon monoxide, nitrogen oxides, sulfides and other organic pollutants, thereby achieving efficient conversion of multiple harmful substances. This design not only improves the overall efficiency of the catalytic reaction, but also reduces the performance degradation of a single catalyst due to excessive load, thereby extending the service life of the catalyst.

[0015] In a specific possible implementation manner, a plurality of blades are fixed to a side of the mounting ring close to the air intake pipe, the plurality of blades are evenly spaced along the circumference of the mounting ring, the blades are arranged along the flow direction of the exhaust gas, and the blades are wavy.

[0016] By adopting the above technical solution, the blades are wavy and can stir the exhaust gas during its flow, so that the harmful substances in the exhaust gas are evenly distributed on the catalyst surface, thereby improving the catalytic conversion effect, reducing the local overload of the catalyst, and extending the service life of the catalyst.

[0017] In a specific possible implementation scheme, it also includes a control component, which includes two control valves and a drive component, the control valves correspond to the intake pipes one by one, the control valves are connected to the intake pipes, the control valves are used to control the flow of exhaust gas, the drive component is connected to the intake pipe, and the drive components are connected to the two control valves to drive the two control valves to open or close.

[0018] By adopting the above technical solution, the control component can accurately control the flow rate of exhaust gas and ensure the stability and controllability of exhaust gas during the treatment process. The connection design of the control valve and the air intake pipe makes the operation simple and reliable, and can effectively meet the needs under different working conditions. The linkage design of the drive component and the control valve realizes automatic control, improves the response speed and work efficiency of the system, and reduces the complexity and risk of manual operation.

[0019] In a specific feasible implementation scheme, the filter assembly also includes two filter elements, the filter elements correspond one-to-one to the mounting tubes, the filter elements are located on the side of the mounting ring close to the air intake pipe, the filter elements include a filter ring and a filter cartridge, the filter ring is coaxially connected to the mounting tube, the filter cartridge is located in the mounting tube, the filter cartridge opening faces the side of the air intake pipe, the filter cartridge is fixed to the filter ring, and the filter cartridge is used to filter impurities in the exhaust gas.

[0020] By adopting the above technical solution, the filter element in the filter assembly can effectively intercept particulate matter in the exhaust gas. The design of the filter ring and the filter cartridge makes the filtering process more stable and reliable. The opening of the filter cartridge is toward the side of the air intake pipe, which is conducive to the smooth flow of exhaust gas into the filter cartridge for filtration. At the same time, the coaxial connection between the filter ring and the mounting pipe ensures the stability and durability of the filter element, improves the filtering effect, and reduces the negative impact of particulate matter in the exhaust gas on subsequent treatment units.

[0021] In a specific possible implementation manner, the filter ring is rotatably connected to the mounting tube;

[0022] The filter assembly also includes a rotating member, the rotating member includes two first outer gear rings and a rotating source, the first outer gear rings correspond to the filter rings one by one, the first outer gear rings are coaxially fixed to the outside of the filter ring, a first ring groove for the first outer gear ring to rotate is provided in the mounting tube, a first meshing groove is provided on each side of the two mounting tubes close to each other, the rotating source includes a rotating motor and a first gear, the housing of the rotating motor is connected to the mounting tube, the output shaft of the rotating motor is coaxially fixed to the first gear, and both sides of the first gear extend into one of the first meshing grooves to mesh with one of the first outer gear rings;

[0023] The rotating member further comprises a connecting rod, wherein the connecting rod is coaxially fixed with the first gear, and the second gear is coaxially fixed to an end of the connecting rod away from the first gear.

[0024] By adopting the above technical solution, the filter ring can rotate freely in the installation tube, thereby effectively improving the self-cleaning ability of the filter element and reducing the risk of filter element clogging; the setting of the rotating part enables the filter ring to rotate continuously, further enhancing the self-cleaning effect of the filter element; the meshing design of the first outer gear ring and the first gear ensures the stability and reliability of the rotation, while the linkage design of the connecting rod and the second gear realizes the coordinated work between multiple components, improving the operating efficiency of the entire system. In addition, this solution can also effectively reduce maintenance costs and extend the service life of the equipment.

[0025] In a specific possible implementation scheme, it also includes a cleaning component, which includes at least one stirring blade, the stirring blade is arranged along the flow direction of the exhaust gas, one end of the stirring blade is fixed to the filter ring, and bristles are fixed to the side of the stirring blade close to the mounting tube, the bristles are in contact with the tube wall of the mounting tube, and a cleaning groove for storing impurities is opened on the inner wall of the mounting tube, and the cleaning groove is opened along the flow direction of the exhaust gas.

[0026] By adopting the above technical solution, when the stirring blade rotates with the filter ring, it can stir and crush the particulate impurities in the exhaust gas, reducing the situation where large particulate impurities clog the filter tube. At the same time, the bristles contact the pipe wall of the installation pipe, which can effectively clean the impurities on the pipe wall, prevent impurity accumulation, and maintain the stability and long-term effectiveness of the filtering effect; the setting of the cleaning groove further ensures the effective collection and storage of impurities, facilitating subsequent cleaning operations.

[0027] In a specific possible implementation scheme, it also includes a cooling component, which includes a connecting pipe, a guide pipe and a cooling element. Both ends of the connecting pipe are connected to an air intake pipe, one end of the guide pipe is connected to the connecting pipe, and the other end is used for discharging treated exhaust gas. The cooling element is connected to the guide pipe, and the cooling element is used to cool the exhaust gas in the guide pipe.

[0028] By adopting the above technical solution, the cooling component can effectively reduce the temperature of the treated exhaust gas, ensure that the exhaust gas reaches an appropriate temperature before discharge, prevent high-temperature exhaust gas from causing secondary pollution to the environment, and thus reduce the impact on the environment.

[0029] In a specific possible implementation manner, the cooling assembly further includes an adsorbent, which is connected to the flow guide pipe and is used to adsorb harmful gases in the exhaust gas.

[0030] By adopting the above technical solution, the adsorption element is connected in the guide pipe, which can effectively adsorb harmful gases in the exhaust gas, further purify the exhaust gas, reduce the emission of harmful gases, and improve the overall effect of exhaust gas treatment.

[0031] In summary, the present application includes at least one of the following beneficial technical effects:

[0032] The designed gas engine exhaust treatment equipment can effectively treat the exhaust gas generated by the gas engine and reduce the emission of harmful substances. Specifically: the two intake pipes are respectively connected to the exhaust port of the gas engine to ensure that the exhaust gas can smoothly enter the subsequent treatment link. The mounting pipe in the filter assembly is connected to the intake pipe to ensure that the exhaust gas can enter the filtering link. The catalytic reactor is connected to the mounting ring and can perform efficient catalytic conversion on the exhaust gas. The preheating part heats the mounting pipe to form a heating zone to ensure that the exhaust gas reaches a suitable temperature before entering the catalytic reactor, thereby improving the catalytic conversion efficiency and reducing the performance instability of the catalyst caused by temperature fluctuations. Efficient treatment of the gas engine exhaust gas is achieved, the emission of harmful substances is significantly reduced, and the environmental protection performance is improved.

[0033] In the designed gas engine exhaust treatment equipment, the mounting ring is rotatably connected to the mounting pipe, so that the catalytic reactor can rotate together with the mounting ring, thereby performing more uniform catalytic treatment on the exhaust gas and improving the catalytic efficiency. At the same time, the setting of the rotating part enables the mounting ring to rotate stably, ensuring the continuity and stability of the catalytic process, and further improving the exhaust gas treatment effect. The matching design of the second outer tooth ring and the second gear realizes precise control of the mounting ring, ensures the residence time and distribution state of the exhaust gas in the catalytic reactor, and enhances the effect of catalytic conversion.

[0034] In the designed gas engine exhaust treatment equipment, the meshing design of the first outer gear ring and the first gear ensures the stability and reliability of rotation, while the linkage design of the connecting rod and the second gear realizes the coordinated work between multiple components and improves the operating efficiency of the entire system. In addition, this solution can also effectively reduce maintenance costs and extend the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the overall structure from a first viewing angle in an embodiment of the present application.

[0036] Figure 2 yes Figure 1 A is an enlarged view of the middle image.

[0037] Figure 3 It is a cross-sectional view of the air intake duct and the mounting pipe in the embodiment of the present application.

[0038] Figure 4 It is a schematic diagram of the structure of two air intake ducts in an embodiment of the present application.

[0039] Figure 5 It is a schematic diagram of the structure of the catalytic component in the embodiment of the present application.

[0040] Figure 6It is a schematic diagram of the overall structure of the second viewing angle in the embodiment of the present application.

[0041] Figure 7 It is a cross-sectional view of the flow guide tube in the embodiment of the present application.

[0042] Description of the reference numerals: 1. air intake assembly; 11. air intake pipe; 111. slot; 2. control assembly; 21. control valve; 22. transmission member; 221. transmission rod; 222. sealing ring; 23. driving member; 3. filter assembly; 31. mounting member; 311. mounting pipe; 3111. plug-in block; 3112. first annular groove; 3113. first meshing groove; 3114. cleaning groove; 3115. second annular groove; 3116. second meshing groove; 3117. preheating chamber; 312. sealing pad; 32. reinforcement member; 321. reinforcement rod; 322. reinforcement source; 3221. arc plate; 3222. reinforcement screw; 33. filter member; 331. filter ring; 332, filter cartridge; 34, rotating member; 341, first outer tooth ring; 342, rotation source; 3421, rotating plate; 3422, rotating motor; 3423, first gear; 4, cleaning assembly; 41, stirring blade; 411, bristles; 412, stirring rod; 5, catalytic assembly; 51, catalytic member; 511, mounting ring; 5111, blade; 512, catalytic reactor; 5121, catalyst carrier; 52, rotating member; 521, second outer tooth ring; 522, connecting rod; 523, second gear; 53, preheating member; 6, cooling assembly; 61, connecting pipe; 62, guide pipe; 621, cooling chamber; 63, cooling member; 64, adsorption member. DETAILED DESCRIPTION

[0043] The following is combined with Figure 1-7 This application is described in further detail.

[0044] The embodiment of the present application discloses a gas engine exhaust gas treatment device.

[0045] Reference Figure 1 A gas engine exhaust treatment device includes an intake component 1, a control component 2 and a filter component 3, wherein the control component 2 and the filter component 3 are arranged on the intake component 1.

[0046] Reference Figure 1 and Figure 2The air intake assembly 1 includes two air intake pipes 11. One end of the two air intake pipes 11 is fixedly connected to the exhaust port of the gas engine, so that the exhaust gas generated by the gas engine can enter the air intake pipe 11. The air intake pipe 11 is made of stainless steel and has good corrosion resistance. The stainless steel material is selected based on its excellent corrosion resistance and long service life, and is suitable for the working environment of the gas engine exhaust treatment equipment. In addition to stainless steel, other corrosion-resistant materials such as titanium alloy or coated steel can also be selected to adapt to different working conditions; the control assembly 2 includes two control valves 21, a transmission member 22 and a drive member The movable part 23, the control valve 21 corresponds to the intake pipe 11 one by one. In this embodiment, the control valve 21 is a butterfly valve. The valve body of the butterfly valve is fixedly connected to the inside of the intake pipe 11 by screws, and is used to control the flow of exhaust gas. The butterfly valve has the advantages of low resistance and large flow. The design of the butterfly valve allows the gas to flow through a larger opening, reducing resistance loss and improving the efficiency of the system. The valve body and valve plate of the butterfly valve can be made of a variety of materials, such as cast iron, stainless steel or plastic. The specific selection depends on the temperature, pressure and medium characteristics of the working conditions. For example, metal materials can be selected under high temperature and high pressure environments, and plastic materials can be selected under low temperature and low pressure environments.

[0047] Reference Figure 1 and Figure 2 The transmission member 22 includes a transmission rod 221 and two sealing rings 222. The transmission rod 221 is located between the two air intake pipes 11. Both ends of the transmission rod 221 are close to a butterfly valve. Both ends of the transmission rod 221 are penetrated through an air intake pipe 11. Both ends of the transmission rod 221 are coaxially welded with the valve shaft of a butterfly valve. The transmission rod 221 is rotatably connected to the air intake pipe 11. The two sealing rings 222 are respectively located at one end of the transmission rod 221. The sealing ring 222 is located at the connection between the transmission rod 221 and the air intake pipe 11. The sealing ring 222 is sleeved on the transmission rod 221. On the rod 221, the sealing ring 222 is fixedly bonded to the transmission rod 221, and the sealing ring 222 can seal the connection between the transmission rod 221 and the intake pipe 11 to prevent the exhaust gas from flowing out through the connection between the transmission rod 221 and the intake pipe 11; the driving member 23 is close to one of the butterfly valves. In this embodiment, the driving member 23 is a driving motor, and the housing of the driving motor is fixedly connected to the outside of the intake pipe 11 by screws. The output shaft of the driving motor is passed through the intake pipe 11 and is coaxially fixedly connected to the valve shaft of the butterfly valve. The driving motor drives the butterfly valve to open or close.

[0048] Reference Figure 1 , Figure 3 and Figure 4The filter assembly 3 includes two mounting parts 31, a reinforcement part 32, two filter parts 33 and a rotating part 34. The mounting parts 31 correspond to the intake pipe 11 one by one. The mounting parts 31 include a mounting tube 311 and a sealing gasket 312. The mounting tube 311 is located at the end of the intake pipe 11 away from the gas engine, and the mounting tube 311 is coaxially arranged with the intake pipe 11. A plurality of plug-in blocks 3111 are provided at one end of the mounting tube 311 close to the intake pipe 11. The plurality of plug-in blocks 3111 are all located at the end of the mounting tube 311, and the plurality of plug-in blocks 3111 are evenly spaced along the circumference of the mounting tube 311. The plug-in blocks 3111 are integrated with the mounting tube 311. A slot 111 for plugging in the plug-in block 3111 is provided at one end of the intake pipe 11 close to the mounting tube 311, and the plug-in block 3111 fits with the slot 111.

[0049] Reference Figure 3 and Figure 4 The reinforcement member 32 includes a reinforcement rod 321 and two reinforcement sources 322. The reinforcement rod 321 is located between the two mounting tubes 311. The setting direction of the reinforcement rod 321 is perpendicular to the setting direction of the mounting tube 311. The two reinforcement sources 322 are respectively located at one end of the reinforcement rod 321. The reinforcement source 322 includes two arc plates 3221 and a reinforcement screw 3222. One end of the two arc plates 3221 is hinged to one end of the reinforcement rod 321. The openings of the two arc plates 3221 face toward the side close to each other. The two arc plates 3221 can form a clamping ring. When the mounting tube 311 is After being connected to the air intake pipe 11, the two arc plates 3221 can clamp and fix the mounting tube 311 and the air intake pipe 11. At this time, the connection between the mounting tube 311 and the air intake pipe 11 is located in the clamping ring, the arc plate 3221 fits against the inner wall of the mounting tube 311, and the reinforcing screw 3222 is located on the side of the arc plate 3221 away from the reinforcing rod 321. The reinforcing screw 3222 is sequentially passed through the two arc plates 3221, and the reinforcing screw 3222 is sequentially threadedly connected to the two arc plates 3221. The reinforcing screw 3222 can fix the two arc plates 3221.

[0050] Reference Figure 3 The filter element 33 corresponds to the mounting tube 311 one by one. The filter element 33 includes a filter ring 331 and a filter cartridge 332. The filter ring 331 is coaxially located in the mounting tube 311, and the filter ring 331 is rotatably connected to the mounting tube 311. The filter cartridge 332 is located in the mounting tube 311, and the opening of the filter cartridge 332 faces the side of the air intake pipe 11. One end of the opening of the filter cartridge 332 is fixedly connected to the filter ring 331 by a screw, and the filter cartridge 332 rotates synchronously with the filter ring 331.

[0051] Reference Figure 3 and Figure 4The rotating member 34 includes two first outer toothed rings 341 and a rotating source 342. The first outer toothed rings 341 correspond to the filter ring 331 one by one. The first outer toothed rings 341 are coaxially sleeved on the outside of the filter ring 331, and the first outer toothed rings 341 and the filter ring 331 are fixedly connected by screws. A first ring groove 3112 for the first outer toothed ring 341 to rotate is provided in the mounting tube 311. A first meshing groove 3113 is provided on each side of the two mounting tubes 311 close to each other. The rotating source 342 includes a rotating plate 3 421, a rotating motor 3422 and a first gear 3423, the rotating plate 3421 is welded to the mounting tube 311, the housing of the rotating motor 3422 is fixedly connected to the rotating plate 3421 by screws, the output shaft of the rotating motor 3422 is coaxially welded with the first gear 3423, the rotating motor 3422 drives the first gear 3423 to rotate, both sides of the first gear 3423 extend into a first meshing groove 3113 respectively and mesh with a first outer gear ring 341, which can drive the first outer gear ring 341 to rotate.

[0052] Reference Figure 3 A gas engine exhaust treatment device also includes a cleaning component 4, which is arranged on the filter component 3.

[0053] Reference Figure 3 The cleaning component 4 includes at least one stirring blade 41. In the present embodiment, there are two stirring blades 41. Both stirring blades 41 are located in the mounting tube 311, and the two stirring blades 41 are evenly distributed along the circumference of the mounting tube 311. The stirring blade 41 is arranged along the flow direction of the exhaust gas. One end of the stirring blade 41 is welded to the filter ring 331, and the stirring blade 41 rotates with the filter ring 331. A brush 411 is fixedly bonded to the side of the stirring blade 41 close to the mounting tube 311. The brush 411 contacts the tube wall of the mounting tube 311, and the brush 411 can clean the tube wall of the mounting tube 311. The stirring blade 41 is wavy, and a stirring rod 412 is welded to one side of the two stirring blades 41 close to each other. A cleaning groove 3114 for storing impurities is provided on the inner wall of the mounting tube 311, and the cleaning groove 3114 is provided along the flow direction of the exhaust gas. During the rotation of the stirring blade 41, the stirring rod 412 can crush the particulate impurities in the exhaust gas to reduce the situation where large particulate impurities block the filter cartridge 332.

[0054] Reference Figure 4 and Figure 5 A gas engine exhaust treatment device also includes a catalytic component 5, which is arranged on the filter component 3.

[0055] Reference Figure 4 and Figure 5The catalytic assembly 5 includes two catalytic components 51, a rotating component 52 and two preheating components 53. The catalytic components 51 correspond to the mounting tube 311 one by one. The catalytic components 51 include a mounting ring 511 and a catalytic reactor 512. The mounting ring 511 is coaxially located in the mounting tube 311, and the mounting ring 511 is rotatably connected to the mounting tube 311. The catalytic reactor 512 corresponds to the mounting ring 511 one by one. The catalytic reactor 512 includes a plurality of catalyst carriers 5121. The plurality of catalyst carriers 5121 are all located in the mounting ring 511. The plurality of catalyst carriers 5121 are spaced apart along the flow direction of the exhaust gas. The plurality of catalyst carriers 5121 are fixedly connected to the mounting ring 511 by screws. Different catalysts are coated on each catalyst carrier 5121. The catalyst carrier 5121 can be a honeycomb ceramic carrier or a metal wire mesh carrier. Both carriers have a high specific surface area and good heat resistance. In this embodiment, the catalyst carrier 5121 is made of metal wire. The mesh carrier, the coated catalyst can be platinum, palladium, copper and iron. Different types of catalysts can more efficiently convert different harmful substances; for example, platinum and palladium are suitable for treating carbon monoxide and nitrogen oxides, while copper and iron are more suitable for treating sulfides and other organic pollutants. Through the design of the multi-layer catalyst carrier 5121, it is possible to simultaneously treat multiple harmful substances, thereby improving the catalytic efficiency; a plurality of blades 5111 are provided on the side of the mounting ring 511 close to the air intake pipe 11, and the plurality of blades 5111 are evenly spaced along the circumference of the mounting ring 511, and the blades 5111 are arranged along the flow direction of the exhaust gas, and the blades 5111 are welded to the mounting ring 511, and the blades 5111 are wavy. The blades 5111 can stir the exhaust gas during the rotation of the mounting ring 511, so that the harmful substances in the exhaust gas can be evenly distributed on the surface of the catalyst, thereby improving the catalytic conversion effect, reducing the local overload of the catalyst, and extending the service life of the catalyst.

[0056] Reference Figure 4 and Figure 5The rotating member 52 includes two second outer gear rings 521, a connecting rod 522 and a second gear 523. The second outer gear rings 521 correspond to the mounting ring 511 one by one. The second outer gear rings 521 are coaxially sleeved on the outer side of the mounting ring 511. The second outer gear rings 521 and the mounting ring 511 are fixedly connected by screws. A second ring groove 3115 for the second outer gear ring 521 to rotate is provided in the mounting tube 311. A second meshing groove 3116 is provided on the side close to each other of the two mounting tubes 311. The connecting rod 522 is located between the two intake pipes 11, and the setting direction of the connecting rod 522 is consistent with the direction of exhaust gas flow. The connecting rod 522 is coaxially welded with the first gear 3423, and the second gear 523 is coaxially welded with the connecting rod 522. The first gear 3423 and the second gear 523 are distributed along the length direction of the connecting rod 522. Both sides of the second gear 523 extend into a second meshing groove 3116 and mesh with a second outer gear ring 521, which can drive the second outer gear ring 521 to rotate.

[0057] Reference Figure 3 , Figure 4 and Figure 5 The preheating element 53 corresponds to the mounting tube 311 one by one. The preheating element 53 is a heat exchange tube. The heat exchange tube is located on the side of the mounting ring 511 close to the air inlet pipe 11. A preheating cavity 3117 is provided on the side wall of the mounting tube 311. One end of the heat exchange tube is connected to the heat source, and the other end is inserted into the mounting tube 311 and then extends into the preheating cavity 3117 and then passes through the mounting tube 311 to be connected to the heat source. The heat source and the heat exchange tube form a loop. One end of the heat exchange tube is located in the preheating cavity 3117 and is spirally wound around the mounting tube 311. The heat exchange tube can be made of stainless steel or copper alloy. These two materials have good thermal conductivity and corrosion resistance. The heat source is directed toward the heat source. The high-temperature medium is passed into the heat exchange tube, which can preheat the exhaust gas entering the installation tube 311 and increase the exhaust gas temperature entering the catalytic reactor 512, thereby enhancing the activity of the catalyst and improving the catalytic conversion efficiency. The high-temperature medium can be hot water, steam or other high-temperature liquids, which transfer heat to the exhaust gas by flowing in the heat exchange tube. Preheating the exhaust gas through the heat exchange tube can ensure that the exhaust gas reaches a suitable temperature when entering the catalytic reactor 512, thereby improving the efficiency and stability of the catalytic reaction; reducing the performance instability of the catalyst caused by temperature fluctuations, and improving the economy and environmental protection of gas engine exhaust treatment.

[0058] Reference Figure 6 A gas engine exhaust treatment device also includes a cooling component 6, which is arranged on the filter component 3.

[0059] Reference Figure 6 and Figure 7The cooling assembly 6 includes a connecting pipe 61, a guide pipe 62, a cooling member 63 and an adsorption member 64. Both ends of the connecting pipe 61 are close to a mounting pipe 311, and the connecting pipe 61 and the mounting pipe 311 are fixedly connected by a flange. One end of the guide pipe 62 is communicated with the connecting pipe 61, and the other end is used for discharging the treated exhaust gas. The cooling member 63 is a cooling pipe. A cooling cavity 621 is provided on the side wall of the guide pipe 62. One end of the cooling pipe is connected to a cold source, and the other end is inserted through the guide pipe 62 and then extends into the cooling cavity 621 and then passes through the guide pipe 62 to be connected to the cold source. The cold source and the cooling pipe form a loop. One end of the cooling pipe is located in the cooling cavity 621 and is spirally wound around the guide pipe 62. The cold source injects a low-temperature coolant into the cooling pipe. The low-temperature coolant can be cold water, an ice-water mixture or other low-temperature liquid. The heat is taken away from the exhaust gas by the flow of the low-temperature coolant, so as to ensure that the exhaust gas reaches a suitable temperature before being discharged, and prevent the high-temperature exhaust gas from causing secondary pollution to the environment, thereby reducing the impact on the environment.

[0060] Reference Figure 6 and Figure 7 The adsorption member 64 is an adsorption plate, which is located in the guide tube 62, and the setting direction of the adsorption plate is perpendicular to the flow direction of the exhaust gas. The adsorption plate is detachably connected to the guide tube 62 by screws. In this embodiment, the adsorption plate is an activated carbon adsorption plate, which can adsorb harmful gases in the exhaust gas.

[0061] The implementation principle of a gas engine exhaust treatment device in an embodiment of the present application is as follows: when the gas engine exhaust needs to be treated, the control component 2 is started, and the driving component 23 drives the control valve 21 to open, and the exhaust gas enters the two intake pipes 11. Subsequently, the rotating component 34 in the filter component 3 is started to rotate the filter component 33 and the cleaning component 4, and the filter component 33 filters the exhaust gas, and the cleaning component 4 cleans the impurity particles adhered to the pipe wall of the mounting pipe 311. After the exhaust gas is treated by the filter component 33, the exhaust gas is preheated by the preheating component 53, and the preheated exhaust gas passes through the catalytic reactor 512, and the exhaust gas is catalytically converted by the catalytic reactor 512. The treated exhaust gas flows to the guide pipe 62 through the connecting pipe 61, and the exhaust gas can be cooled by the cooling component 63. The exhaust gas can be discharged after the exhaust gas is treated again by the adsorption component 64.

[0062] When it is necessary to clean the impurities, the reinforcing screws 3222 are screwed to separate the two arc plates 3221, so that the reinforcing member 32 can be separated from the two air intake pipes 11, and then the mounting pipe 311 can be separated from the air intake pipe 11, and personnel can clean the impurities.

[0063] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A gas engine exhaust gas treatment device, characterized in that: The invention comprises an air intake assembly (1), a filter assembly (3) and a catalytic assembly (5), wherein the air intake assembly (1) comprises two air intake pipes (11), one end of each of the two air intake pipes (11) being connected to an exhaust port of a gas engine, the filter assembly (3) comprises two mounting members (31), the mounting members (31) corresponding one to the air intake pipes (11), the mounting members (31) comprising a mounting pipe (311), the mounting pipe (311) being connected to one end of the air intake pipe (11) away from the gas engine, the mounting pipe (311) being connected to the air intake pipe (11); The catalytic assembly (5) comprises two catalytic components (51) and two preheating components (53), the catalytic components (51) corresponding to the mounting tube (311) on a one-to-one basis, the catalytic components (51) comprising a mounting ring (511) and a catalytic reactor (512), the mounting ring (511) being coaxially connected to the mounting tube (311), the catalytic reactor (512) being connected to the mounting ring (511), the catalytic reactor (512) being used for catalytic conversion of exhaust gas, the preheating components (53) corresponding to the mounting tube (311) on a one-to-one basis, the preheating components (53) being located on a side of the mounting ring (511) close to the intake pipe (11), the preheating components (53) being connected to the mounting tube (311), the preheating components (53) being used for heating the mounting tube (311) to form a heating zone; The mounting ring (511) is rotatably connected to the mounting tube (311); The catalytic component (5) further comprises a rotating member (52), the rotating member (52) comprising two second outer toothed rings (521) and a second gear (523), the second outer toothed rings (521) corresponding to the mounting ring (511) one by one, the second outer toothed rings (521) being coaxially sleeved on the outer side of the mounting ring (511), the mounting tube (311) being provided with a second ring groove (3115) for the second outer toothed ring (521) to rotate, the two mounting tubes (311) being provided with a second meshing groove (3116) on one side close to each other, the second gear (523) being located between the two intake pipes (11), and the two sides of the second gear (523) respectively extending into one of the second meshing grooves (3116) to mesh with one of the second outer toothed rings (521); The filter assembly (3) further comprises two filter elements (33), the filter elements (33) corresponding to the mounting tube (311) one by one, the filter elements (33) being located on a side of the mounting ring (511) close to the air intake pipe (11), the filter element (33) comprising a filter ring (331) and a filter cartridge (332), the filter ring (331) being coaxially connected to the mounting tube (311), the filter cartridge (332) being located inside the mounting tube (311), the filter cartridge (332) opening facing a side of the air intake pipe (11), the filter cartridge (332) being fixed to the filter ring (331), and the filter cartridge (332) being used to filter impurities in the exhaust gas; The filter ring (331) is rotatably connected to the mounting tube (311); The filter assembly (3) further comprises a rotating member (34), the rotating member (34) comprising two first outer toothed rings (341) and a rotation source (342), the first outer toothed rings (341) corresponding to the filter ring (331) one by one, the first outer toothed rings (341) being coaxially fixed to the outer side of the filter ring (331), the mounting tube (311) being provided with a first ring groove (3112) for the first outer toothed ring (341) to rotate, the two mounting tubes (311) being arranged against each other. A first meshing groove (3113) is provided on the near side, the rotation source (342) comprises a rotating motor (3422) and a first gear (3423), the housing of the rotating motor (3422) is connected to the mounting tube (311), the output shaft of the rotating motor (3422) is coaxially fixed with the first gear (3423), and both sides of the first gear (3423) extend into one of the first meshing grooves (3113) to mesh with one of the first outer gear rings (341); The rotating member (52) further comprises a connecting rod (522), wherein the connecting rod (522) is coaxially fixed to the first gear (3423), and the second gear (523) is coaxially fixed to an end of the connecting rod (522) away from the first gear (3423); The cleaning component (4) further comprises at least one stirring blade (41), wherein the stirring blade (41) is arranged along the flow direction of the exhaust gas, one end of the stirring blade (41) is fixed to the filter ring (331), a brush (411) is fixed on the side of the stirring blade (41) close to the mounting tube (311), the brush (411) is in contact with the tube wall of the mounting tube (311), and a cleaning groove (3114) for storing impurities is provided on the inner wall of the mounting tube (311), and the cleaning groove (3114) is provided along the flow direction of the exhaust gas.

2. A gas engine exhaust treatment device according to claim 1, characterized in that: The catalytic reactor (512) includes a plurality of catalyst carriers (5121), each of which is fixed in the mounting ring (511), and the plurality of catalyst carriers (5121) are distributed at intervals along the flow direction of the exhaust gas, and each of the catalyst carriers (5121) is coated with a different catalyst.

3. A gas engine exhaust treatment device according to claim 2, characterized in that: A plurality of blades (5111) are fixed to a side of the mounting ring (511) close to the air intake pipe (11); the plurality of blades (5111) are evenly spaced and distributed along the circumference of the mounting ring (511); the blades (5111) are arranged along the flow direction of the exhaust gas; and the blades (5111) are wavy.

4. A gas engine exhaust gas treatment device according to claim 1, characterized in that: The invention also comprises a control assembly (2), wherein the control assembly (2) comprises two control valves (21) and a driving member (23), wherein the control valves (21) correspond to the intake pipes (11) one by one, the control valves (21) are connected to the intake pipes (11), the control valves (21) are used to control the flow of exhaust gas, the driving member (23) is connected to the intake pipes (11), and the driving member (23) is connected to the two control valves (21) to drive the two control valves (21) to open or close.

5. A gas engine exhaust gas treatment device according to any one of claims 1 to 4, characterized in that: The invention also comprises a cooling assembly (6), wherein the cooling assembly (6) comprises a connecting pipe (61), a flow guide pipe (62) and a cooling element (63), wherein both ends of the connecting pipe (61) are respectively connected to an air intake pipe (11), one end of the flow guide pipe (62) is connected to the connecting pipe (61), and the other end is used for discharging the treated waste gas, and the cooling element (63) is connected to the flow guide pipe (62), and the cooling element (63) is used for cooling the waste gas in the flow guide pipe (62).

6. A gas engine exhaust gas treatment device according to claim 5, characterized in that: The cooling assembly (6) further comprises an adsorption member (64), wherein the adsorption member (64) is connected to the flow guide pipe (62), and the adsorption member (64) is used to adsorb harmful gases in the exhaust gas.

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