Generator set tail gas treatment device and method

Abstract

The invention relates to the technical field of generator set tail gas treatment, and provides a generator set tail gas treatment device and method.The generator set tail gas treatment device comprises a treatment box body, a partition plate, an assembly plate piece, an oxidation catalysis piece, a first blocking piece, a second blocking piece and a side sealing piece; and the gas inlet pipe is used for discharging to-be-purified tail gas of the generator set. The two blocking pieces are arranged on the assembly plate, and the first blocking piece and the second blocking piece are arranged on the two opposite sides of the assembly plate correspondingly, so that engine unit tail gas needs to be exhausted from the exhaust hole after flowing through the back-and-forth rotating flowing channel in the cavity, and the tail gas is exhausted through the exhaust hole through the oxidation catalysis coating agent coated in the hole channel; the multiple hole channels are formed in the oxidation catalysis part, the engine unit tail gas needs to evenly pass through the hole channels in the circulation period, the oxidation catalysis efficiency of the oxidation catalysis part on the engine unit tail gas is improved, and use is convenient.

Description

Technical Field

[0001] This invention relates to the field of generator set exhaust gas treatment technology, and in particular to a generator set exhaust gas treatment device and method. Background Technology

[0002] Generator sets, especially reciprocating internal combustion engine sets fueled by diesel, natural gas, or heavy oil, are important backup power sources, mobile power sources, and primary power sources in remote areas. However, the exhaust gases they produce are a significant source of air pollution, mainly containing harmful substances such as particulate matter, nitrogen oxides, and carbon monoxide. To protect the environment, exhaust gases from generator sets must be treated to ensure they meet environmental protection requirements.

[0003] Existing generator set exhaust gas treatment devices are integrated, multi-stage purification systems. They are typically installed after the engine exhaust manifold and purify the engine exhaust gas through reactions such as oxidation catalysis, particulate capture, and catalytic reduction.

[0004] In the oxidation catalytic reaction of engine exhaust gas, a gas carrier coated with an oxidation catalyst is typically installed. The exhaust gas is introduced into the carrier, and the oxidation catalytic reaction is completed through the flow of the catalyst. However, because the exhaust direction of the engine exhaust gas is narrow and fixed, when using a pipeline for oxidation catalytic reaction, the pipeline is only a single-channel flow carrier, which cannot provide sufficient oxidation catalysis. Therefore, this solution proposes a generator exhaust gas treatment device and method to address the above problems. Summary of the Invention

[0005] In view of this, the present invention proposes a generator set exhaust gas treatment device and method to solve the technical problem that existing generator set exhaust gas treatment devices perform oxidation catalytic reactions on engine set exhaust gas through pipelines. During the oxidation catalytic reaction, the pipelines are only single-channel flow carriers, which cannot perform sufficient oxidation catalysis on the engine set exhaust gas.

[0006] The technical solution of this invention is implemented as follows: This invention provides a generator set exhaust gas treatment device, including a treatment housing, a partition, assembly plates, an oxidation catalyst, a first baffle, a second baffle, and a side seal, wherein,

[0007] The processing unit is connected to an air inlet pipe and an exhaust pipe. The air inlet pipe is used to discharge the exhaust gas from the generator set to be purified, and the exhaust pipe is used to discharge the purified exhaust gas from the generator set.

[0008] A partition is provided inside the processing chamber, dividing the processing chamber into two chambers;

[0009] An assembly plate is disposed inside the cavity on one side of the partition and is sealed against the inner wall of the processing box. The assembly plate includes a vertical plate and two horizontal plates. The middle of the two horizontal plates is connected to the vertical plate and they are distributed in the height direction.

[0010] Multiple oxidation catalysts are provided, each being a honeycomb ceramic rectangular component. The pores of the oxidation catalysts are coated with an oxidation catalyst coating. The multiple oxidation catalysts are respectively disposed between each of the horizontal plate and the vertical plate.

[0011] The first stop is an arc-shaped stop. A first mounting sliding hole is provided on the upper horizontal plate. The first stop is slidably disposed inside the first mounting sliding hole. A first sealing slot is provided on the inner wall of the processing box for the first stop to be sealed and inserted. The air inlet pipe is connected to the upper part of the first stop.

[0012] The second stop is a rectangular stop. A second mounting slide hole is provided on the horizontal plate below. The second stop is slidably disposed inside the second mounting slide hole. A second sealing slot is provided on the partition for the second stop to be sealed and inserted. Both the first stop and the second stop are used to block the exhaust gas of the generator set. An exhaust hole is provided on the partition. The exhaust hole is located below the second stop and is used to allow the exhaust gas of the generator set to be discharged.

[0013] Based on the above technical solutions, the preferred embodiment further includes a control shaft, a control gear, a transmission wheel, and a chain belt, wherein...

[0014] An assembly chamber is formed in the middle of the vertical plate. Both of the control shafts are rotatably disposed inside the assembly chamber. A sliding hole is provided on the top of the processing box. One of the control shafts passes through the sliding hole and extends to the outside of the processing box.

[0015] Two regulating gears are respectively set on each of the regulating shafts, and the bottom of the first stop has a first tooth groove that meshes with the regulating gear above, and the top of the second stop has a second tooth groove that meshes with the regulating gear below.

[0016] Both of the control shafts are equipped with drive wheels, and the chain belt is connected to the two drive wheels in a driving connection.

[0017] Based on the above technical solutions, preferably, it also includes a side seal and a top connecting cover, wherein,

[0018] The inner cavity of the processing box is provided with two side seals on each of the opposite side walls. The two side seals are located on opposite sides of the assembly plate and seal against the first stop and the second stop.

[0019] A top connecting cover is disposed on the assembly plate, and an assembly hole is provided on the processing box. The top connecting cover passes through the assembly hole and is detachably connected to the processing box. An assembly groove is provided on the inner side of the assembly hole. A side protrusion is provided on the side wall of the top connecting cover. The side protrusion is inserted into the interior of the assembly groove and is sealed and engaged with the assembly groove.

[0020] Based on the above technical solutions, preferably, it also includes a first drain pipe, a water collection cylinder, a first side water inlet pipe, and a second side water inlet pipe, wherein,

[0021] A first drain pipe is connected to the bottom of the processing box, and the first drain pipe is positioned opposite the first baffle in the height direction.

[0022] A water collection cylinder is connected to the first drain pipe, and the first side water inlet pipe is connected to one side of the water collection cylinder;

[0023] The second side water inlet pipe is located at the bottom of the treatment tank and is connected to the first side water inlet pipe.

[0024] Based on the above technical solutions, the preferred embodiment also includes a sliding pipe, a first water-guiding bottom block, and a water-diverting baffle, wherein...

[0025] The water collection cylinder is provided with a threaded hole, and the first drain pipe is threadedly connected to the threaded hole.

[0026] The sliding pipe is slidably sleeved on the outside of the first side water inlet pipe and can be detachably connected to the second side water inlet pipe through a flange;

[0027] The first water-guiding bottom block is disposed at the bottom of the inner cavity of the processing box. The top wall of the first water-guiding bottom block is an inclined wall, and the top wall of the first water-guiding bottom block extends to the first drain pipe.

[0028] Two water-diverting baffles are both installed inside the first drain pipe and are distributed in the height direction. A water-falling gap is formed between the water-diverting baffles and the inner wall of the first drain pipe. The upper and lower water-falling gaps are located on opposite sides of the inner cavity of the first drain pipe.

[0029] Based on the above technical solutions, the preferred embodiment also includes a cooling component, an air guide coil, a coolant inlet pipe, and a coolant outlet pipe, wherein...

[0030] The cooling component is disposed on the side of the partition away from the assembly plate, and the air guide coil is embedded inside the cooling component, with the air inlet end of the air guide coil connected to the exhaust port of the partition.

[0031] The cooling component has a coolant flow channel inside, and the air guide coil is arranged on both sides of the coolant flow channel. The coolant inlet pipe and the coolant outlet pipe are both connected to the coolant flow channel and extend to the outside of the processing box.

[0032] Based on the above technical solutions, the preferred embodiment also includes a particle collection box, a bottom support plate, a fine-pore filter plate, a frame plate, and a connecting pipe, wherein...

[0033] The bottom of the processing box is provided with an assembly opening, and the particle collection box is disposed inside the assembly opening and is sealed to the assembly opening.

[0034] The bottom support plate is detachably connected to the interior of the particle collection box.

[0035] Multiple fine-pore filter plates are disposed inside the particulate collection box and distributed along the length of the particulate collection box. The bottom wall of the fine-pore filter plate is sealed and abuts against the bottom support plate. The fine-pore filter plate is used to filter PM particles in the exhaust gas.

[0036] Multiple frame plates are all disposed on the bottom support plate and are respectively located on one side of the fine pore filter plate along the length direction of the particle collection box;

[0037] The outlet end of the air guide coil and the connecting pipe are respectively connected to opposite sides of the particle collection box along the length direction of the particle collection box.

[0038] Based on the above technical solutions, the preferred embodiment further includes a catalytic reduction tank, a liquid collection top plate, a reducing liquid inlet pipe, a reducing liquid spray pipe, a second drain pipe, and a second water guiding bottom block, wherein...

[0039] A catalytic reduction chamber is disposed inside the treatment chamber, and the connecting pipe and the exhaust pipe are respectively connected to opposite sides of the catalytic reduction chamber along the length direction of the catalytic reduction chamber;

[0040] The liquid collecting top plate is fixedly connected to the processing box body. A liquid collecting cavity is formed inside the liquid collecting top plate. The reducing liquid inlet pipe is connected to the liquid collecting cavity and is used to supply urea solution for flow.

[0041] Multiple reducing liquid spray pipes are connected to the liquid collection chamber and extend into the interior of the catalytic reduction chamber, distributed along the length of the catalytic reduction chamber. The reducing liquid spray pipes are used to atomize and spray urea solution.

[0042] The second drain pipe is connected to the bottom of the catalytic reduction chamber and extends to the outside of the processing chamber. The second water guide block is located at the bottom of the inner cavity of the catalytic reduction chamber, and the top wall of the second water guide block extends to the second drain pipe.

[0043] Based on the above technical solutions, the preferred embodiment also includes a limiting connecting ring, a top connecting cover, a sliding joint, and a shock-absorbing rod, wherein...

[0044] Two limiting connecting rings are fixedly sleeved on the outside of the air inlet pipe and respectively abut against the opposite sides of the side wall of the processing box.

[0045] A top connecting cover is provided on one side wall of the processing box corresponding to the air inlet pipe. The sliding member is slidably connected to the inner side of the top connecting cover, and one side of the limiting connecting ring is slidably connected to the sliding member. The sliding direction of the sliding member is perpendicular to the sliding direction of the limiting connecting ring.

[0046] A shock-absorbing rod is disposed inside the top connecting cover, and the telescopic end of the shock-absorbing rod is connected to the sliding member to reset the sliding position of the sliding member.

[0047] This invention also proposes a method for treating generator exhaust gas, which is accomplished by the aforementioned generator exhaust gas treatment device, and includes the following steps:

[0048] S1. Connect the assembly plate to the cavity on the corresponding air intake side of the partition;

[0049] S2. Adjust the first stop and the second stop to slide towards the opposite side of the assembly plate. At this time, the first stop is inserted into and sealed inside the first sealing slot, and the second stop is inserted into and sealed inside the second sealing slot.

[0050] S3. Adjust the generator set exhaust gas to be discharged from the intake pipe into the interior of the treatment box. The generator set exhaust gas flows through multiple channels opened on the oxidation catalyst to complete the oxidation catalytic treatment of the generator set exhaust gas.

[0051] The generator exhaust gas treatment device and method of the present invention have the following advantages over the prior art:

[0052] (1) The generator set exhaust gas treatment device of this application sets two baffles on the assembly plate, with the first baffle and the second baffle respectively set on opposite sides of the assembly plate. This allows the engine exhaust gas to pass through a reversible flow channel in the chamber before being discharged from the exhaust port on the baffle plate during the process of the engine exhaust gas entering the chamber from the intake pipe and then exiting the chamber. The baffle plate and the side wall of the treatment box can both shield the engine exhaust gas and prevent it from flowing back. By setting the second baffle plate below the first baffle plate, the engine exhaust gas that flows back after being shielded by the baffle plate is prevented from flowing back. The exhaust gas can flow from the first and second baffles to the bottom of the chamber. After the exhaust gas is shielded by the baffle and the treatment box, the returning exhaust gas can pass evenly through multiple channels formed on the oxidation catalyst, avoiding the exhaust gas from flowing through a single channel. The oxidation catalyst coating inside the channels completes the oxidation catalytic treatment of the exhaust gas. By forming multiple channels on the oxidation catalyst, and ensuring that the exhaust gas flows evenly through each channel during its flow, the oxidation catalytic efficiency of the oxidation catalyst for the exhaust gas is increased, making it convenient to use. By setting the first baffle as an arc-shaped plate, it is convenient to guide the exhaust gas from the engine unit emitted from the intake pipe to the assembly plate. By setting both the first and second baffles to slide relative to the assembly plate, since this application promotes the back-and-forth circulation of the engine unit exhaust gas by abutting backflow, in actual implementation, a large amount of nitrous oxide and other deposits will adhere to the inner wall of the treatment box. Therefore, when removing the assembly plate to clean the deposits, the first and second baffles can be adjusted to slide to align with the assembly plate before the assembly plate is removed. After the assembly plate is removed, it is convenient to clean the inner wall of the treatment box, which is convenient for use.

[0053] (2) Since the temperature of the exhaust gas from the diaphragm is high, a cooling component is installed to improve the subsequent cleaning efficiency of the exhaust gas. After the exhaust gas is discharged into the air guide coil through the diaphragm and the air guide coil, the exhaust gas needs to pass through the coiled flow channel in the cooling component and then be discharged from the air outlet of the air guide coil. During this process, the coolant stored in the coolant flow channel can absorb the heat of the exhaust gas and complete the cooling treatment of the exhaust gas. At the same time, it is convenient to absorb and utilize the heat carried by the exhaust gas, which is convenient to use. By setting up a particulate trap, after the engine exhaust gas is discharged from the outlet and flows into the particulate trap, it needs to pass through this particulate trap before being discharged from the connecting pipe. The fine-pore filter plate set inside the particulate trap can physically filter the PM particles contained in the engine exhaust gas, completing the particulate trapping treatment of the engine exhaust gas. The filtered particulate impurities will adhere to one side of the fine-pore filter plate. In order to maintain the filtration effect of the fine-pore filter plate, the bottom support plate can be removed when cleaning the fine-pore filter plate. While the bottom support plate is being removed downwards, the bottom support plate drives the frame plate downwards together. The downward-moving frame plate can scrape off the particulate impurities attached to the surface of the fine-pore filter plate, making it convenient to use.

[0054] (3) By setting up a catalytic reduction chamber, after the exhaust gas from the engine unit is discharged into the catalytic reduction chamber through the connecting pipe, the urea solution can be atomized and sprayed out from each reducing liquid spray pipe through the reducing liquid inlet pipe and the liquid collection top plate. The atomized urea solution can undergo a catalytic reduction reaction with the exhaust gas from the engine unit flowing in the catalytic reduction chamber, reducing it into harmless nitrogen and water. The purified exhaust gas from the engine unit can be discharged from the exhaust pipe, while the second drain pipe can discharge the water produced after reduction, which is convenient to use. Attached Figure Description

[0055] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0056] Figure 1 This is a front perspective view of the generator set exhaust gas treatment device of the present invention;

[0057] Figure 2 This is a rear perspective view of the generator set exhaust gas treatment device of the present invention;

[0058] Figure 3 This is a bottom perspective view of the generator set exhaust gas treatment device of the present invention;

[0059] Figure 4 This is a right view of the generator exhaust gas treatment device of the present invention;

[0060] Figure 5 The generator exhaust gas treatment device of the present invention Figure 4 A cross-sectional view of the structure at point AA shown.

[0061] Figure 6 The generator exhaust gas treatment device of the present invention Figure 5 An enlarged view of point B is shown below;

[0062] Figure 7 The generator exhaust gas treatment device of the present invention Figure 5 An enlarged view of point C is shown below;

[0063] Figure 8 This is a three-dimensional schematic diagram of the internal structure of the generator set exhaust gas treatment device of the present invention;

[0064] Figure 9 The generator exhaust gas treatment device of the present invention Figure 8 Rear-view perspective view of the structure shown;

[0065] Figure 10 This is a three-dimensional schematic diagram of the structure of the assembly plate of the generator exhaust gas treatment device of the present invention.

[0066] In the diagram: 11. Processing box; 111. Inlet pipe; 112. Exhaust pipe; 113. Sliding hole; 114. Assembly hole; 115. Assembly groove; 116. First sealing slot; 117. Assembly opening; 12. Partition plate; 121. Second sealing slot; 2. Assembly plate; 21. Vertical plate; 211. Assembly chamber; 22. Horizontal plate; 23. First assembly sliding hole; 24. Second assembly sliding hole; 31. Oxidation catalyst; 32. First stop; 321. First toothed groove; 33. Second stop; 331. Second toothed groove; 34. Side seal; 35. Top connecting cover; 351. Side protrusion; 41. Adjustment shaft; 42. Adjustment gear; 43. Transmission wheel; 44. Chain belt; 51. First drain pipe; 52. Water collection cylinder; 521 53. Threaded hole; 54. First side water inlet pipe; 55. Sliding pipe; 56. Second side water inlet pipe; 57. First water guide base block; 58. Water inlet baffle; 59. Water drop gap; 60. Cooling component; 611. Coolant flow channel; 62. Air guide coil; 621. Air inlet end; 622. Air outlet end; 63. Coolant inlet pipe; 64. Coolant outlet pipe; 71. Particle collection box component; 72. Base plate; 73. Fine pore filter plate; 74. Frame plate; 75. Connecting pipe; 81. Catalytic reduction box component; 82. Liquid collection top plate component; 821. Liquid collection chamber; 83. Reducing liquid inlet pipe; 84. Reducing liquid spray pipe; 85. Second drain pipe; 86. Second water guide base block; 91. Limiting connecting ring; 92. Top connecting cover; 93. Sliding component; 94. Shock absorber rod. Detailed Implementation

[0067] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0068] like Figures 1-10As shown, the generator set exhaust gas treatment device of the present invention includes a treatment box 11, a partition 12, an assembly plate 2, an oxidation catalyst 31, a first baffle 32, a second baffle 33, and a side seal 34. The treatment box 11 is connected to an inlet pipe 111 and an exhaust pipe 112. The inlet pipe 111 is used to discharge the generator set exhaust gas to be purified, and the exhaust pipe 112 is used to discharge the purified generator set exhaust gas. The partition 12 is disposed inside the treatment box 11 and divides the treatment box 11 into two chambers. The assembly plate 2 is disposed inside the chamber on one side of the partition 12 and is sealed against the inner wall of the treatment box 11. The assembly plate 2 includes a vertical plate 21 and two horizontal plates 22. The middle of each of the two horizontal plates 22 is connected to the vertical plate 21 and they are distributed in the height direction. The oxidation catalyst 31 is a plurality of rectangular honeycomb ceramic components, and the pores of the oxidation catalyst 31 are coated with... An oxidation catalyst coating is provided, and multiple oxidation catalysts 31 are respectively disposed between each horizontal plate 22 and vertical plate 21; the first baffle 32 is an arc-shaped baffle, and a first mounting sliding hole 23 is provided on the upper horizontal plate 22. The first baffle 32 is slidably disposed inside the first mounting sliding hole 23, and a first sealing slot 116 is provided on the inner wall of the processing box 11 for the first baffle 32 to be sealed and inserted. The air inlet pipe 111 is connected to the upper part of the first baffle 32; the second baffle 33 is a rectangular baffle, and a second mounting sliding hole 24 is provided on the lower horizontal plate 22. The second baffle 33 is slidably disposed inside the second mounting sliding hole 24, and a second sealing slot 121 is provided on the partition 12 for the second baffle 33 to be sealed and inserted. Both the first baffle 32 and the second baffle 33 are used to block the exhaust gas of the generator set. An exhaust hole is provided on the partition 12, which is located below the second baffle 33, for the exhaust gas of the generator set to be discharged.

[0069] In practice, the pores of the oxidation catalyst 31 are coated with precious metal catalysts such as platinum and palladium to oxidize and catalyze the exhaust gas from the engine.

[0070] In specific implementation, the assembly plate 2 is connected to the cavity on the side of the corresponding air inlet pipe 111 of the partition 12; the first stop 32 and the second stop 33 are adjusted to slide to the opposite side of the assembly plate 2. At this time, the first stop 32 is inserted and sealed inside the first sealing slot 116, and the second stop 33 is inserted and sealed inside the second sealing slot 121; the generator exhaust gas is adjusted to be discharged from the air inlet pipe 111 into the interior of the treatment box 11. At this time, the generator exhaust gas is guided by the first stop 32, passes through the oxidation catalyst 31, and is first blocked and recirculated by the partition 12. The recirculated generator exhaust gas is guided by the second stop 33, passes through the oxidation catalyst 31, and is second blocked and recirculated by the inner wall of the treatment box 11. The recirculated generator exhaust gas passes through the oxidation catalyst 31 and is discharged from the exhaust hole opened on the partition 12. The generator exhaust gas flows through the multiple channels opened on the oxidation catalyst 31 to complete the oxidation catalytic treatment of the generator exhaust gas.

[0071] The generator set exhaust gas treatment device of this application has two baffles on the assembly plate 2, with the first baffle 32 and the second baffle 33 respectively located on opposite sides of the assembly plate 2. This allows the engine exhaust gas to pass through a reversible flow channel within the chamber before exiting through the exhaust port on the partition 12, as it enters the chamber from the intake pipe 111 and exits through the exhaust port. Both the partition 12 and the side wall of the treatment box 11 can shield and prevent the engine exhaust gas from flowing back. By positioning the second baffle 33 below the first baffle 32, the backflow of exhaust gas blocked by the partition 12 is further protected. The exhaust gas from the engine assembly can flow between the first baffle 32 and the second baffle 33 to the bottom of the chamber. After the exhaust gas from the engine assembly is blocked by the partition 12 and the treatment box 11, the returning exhaust gas from the engine assembly can pass evenly through multiple channels formed on the oxidation catalyst 31, avoiding the exhaust gas from flowing through a single channel. The oxidation catalyst coating inside the channels completes the oxidation catalytic treatment of the exhaust gas from the engine assembly. By forming multiple channels on the oxidation catalyst 31, and ensuring that the exhaust gas from the engine assembly flows evenly through each channel, the oxidation catalytic efficiency of the oxidation catalyst 31 for the exhaust gas from the engine assembly is increased, making it convenient to use.

[0072] By setting the first baffle 32 as an arc-shaped plate, it is convenient to guide the exhaust gas from the engine unit emitted from the intake pipe 111 to the assembly plate 2. By setting both the first baffle 32 and the second baffle 33 to slide relative to the assembly plate 2, since this application promotes the backflow of engine unit exhaust gas by abutting backflow, in specific implementation, a large amount of nitrous oxide and other deposits will adhere to the inner wall of the treatment box 11. Therefore, when removing the assembly plate 2 to clean the deposits, the first baffle 32 and the second baffle 33 can be adjusted to slide to align with the assembly plate 2 before the assembly plate 2 can be removed. After the assembly plate 2 is removed, it is convenient to clean the inner wall of the treatment box 11, which is convenient for use.

[0073] In a preferred embodiment, the system further includes a control shaft 41, a control gear 42, a transmission wheel 43, and a chain belt 44. An assembly chamber 211 is formed in the middle of the vertical plate 21. Both control shafts 41 are rotatably disposed inside the assembly chamber 211. A sliding hole 113 is provided at the top of the processing box 11. One control shaft 41 passes through the sliding hole 113 and extends to the outside of the processing box 11. Two control gears 42 are respectively disposed on each control shaft 41. The bottom of the first stop 32 has a first tooth groove 321 that meshes with the upper control gear 42, and the top of the second stop 33 has a second tooth groove 331 that meshes with the lower control gear 42. Transmission wheels 43 are provided on both control shafts 41, and the chain belt 44 is connected to the two transmission wheels 43.

[0074] It also includes side seals 34 and a top connecting cover 35. Two side seals 34 are provided on each of the opposite side walls of the inner cavity of the processing chamber 11. The two side seals 34 are located on opposite sides of the assembly plate 2 and abut against the first stop 32 and the second stop 33. The top connecting cover 35 is provided on the assembly plate 2, and the processing chamber 11 has an assembly hole 114. The top connecting cover 35 passes through the assembly hole 114 and is detachably connected to the processing chamber 11. An assembly groove 115 is provided on the inner side of the assembly hole 114. A side protrusion 351 is provided on the side wall of the top connecting cover 35. The side protrusion 351 is inserted into the interior of the assembly groove 115 and engages with the assembly groove 115 in a sealing manner.

[0075] In practice, the top connecting cover 35 is connected to the processing box 11 by bolts.

[0076] With this design, when it is necessary to connect the assembly plate 2 to the inside of the processing box 11, the assembly plate 2 is inserted into the inside of the processing box 11 through the assembly hole 114. At this time, the control shaft 41 passes through the sliding hole 113. The assembly plate 2, together with the oxidation catalyst 31, can complete the shielding and sealing treatment of the sliding hole 113. When the top connecting cover 35 is closed at the assembly hole 114, the top connecting cover 35 and the processing box 11 are connected by bolts to complete the assembly treatment of the assembly plate 2.

[0077] After assembly, the control shaft 41 extends to the outside of the processing box 11 for easy adjustment of its rotation. Two control gears 42 mesh with opposite sides of two stops. When the control shaft 41 drives the two control gears 42 to rotate simultaneously in the same direction via the chain belt 44, the stops on both sides of the assembly plate 2 can move inward or outward simultaneously, facilitating adjustment. A side protrusion 351, meshing with the assembly groove 115, is provided on the side of the top connecting cover 35 to improve the sealing between the assembly plate 2 and the processing box 11 after assembly.

[0078] In a preferred embodiment, the system further includes a first drain pipe 51, a water collection cylinder 52, a first side water inlet pipe 53, and a second side water inlet pipe 55. The first drain pipe 51 is connected to the bottom of the processing tank 11 and is positioned opposite the first stop 32 in the height direction. The water collection cylinder 52 is connected to the first drain pipe 51, and the first side water inlet pipe 53 is connected to one side of the water collection cylinder 52. The second side water inlet pipe 55 is disposed at the bottom of the processing tank 11 and is connected to the first side water inlet pipe 53.

[0079] Since the exhaust gas from the engine unit will produce water after being oxidized and catalyzed, the first drain pipe 51 and the water collection cylinder 52 are set up to facilitate the collection of the produced water. The first side water inlet pipe 53 and the second side water inlet pipe 55 facilitate the discharge and utilization of the stored water, making it convenient to use.

[0080] It also includes a sliding pipe 54, a first water guide base block 56, and a water inlet baffle 57. The water collection cylinder 52 has a threaded hole 521, and the first drain pipe 51 is threadedly connected to the threaded hole 521. The sliding pipe 54 is slidably sleeved on the outside of the first side water inlet pipe 53 and can be detachably connected to the second side water inlet pipe 55 through a flange. The first water guide base block 56 is located at the bottom of the inner cavity of the treatment tank 11. The top wall of the first water guide base block 56 is an inclined wall and extends to the first drain pipe 51. The two water inlet baffles 57 are both located inside the first drain pipe 51 and are distributed in the height direction. A water drop gap 571 is formed between the water inlet baffle 57 and the inner wall of the first drain pipe 51. The upper and lower water drop gaps 571 are located on opposite sides of the inner cavity of the first drain pipe 51.

[0081] The water collection cylinder 52 is threadedly connected to the first drain pipe 51, facilitating its assembly and disassembly. A sliding pipe 54 allows the water collection cylinder 52 to retract inwards during rotation, preventing the side water inlet pipe from obstructing its normal rotation. A first water guide block 56 guides the generated water to the first drain pipe 51. Two water inlet baffles 57 and two water drop gaps 571 located on either side of the first drain pipe 51 allow water to fall through and be stored inside the water collection cylinder 52. The baffles 57 also prevent water from flowing back into the chamber.

[0082] In a preferred embodiment, the system further includes a cooling component 61, an air guide coil 62, a coolant inlet pipe 63, and a coolant outlet pipe 64. The cooling component 61 is disposed on the side of the partition 12 away from the mounting plate 2, and the air guide coil 62 is embedded inside the cooling component 61. The air inlet end 621 of the air guide coil 62 is connected to the exhaust port of the partition 12. A coolant flow channel 611 is formed inside the cooling component 61. The air guide coil 62 is coiled on opposite sides of the coolant flow channel 611. The coolant inlet pipe 63 and the coolant outlet pipe 64 are both connected to the coolant flow channel 611 and extend to the outside of the processing chamber 11.

[0083] Because the exhaust gas from the vent of the baffle 12 is at a high temperature, a cooling component 61 is provided to improve the efficiency of subsequent cleaning of the exhaust gas. After the exhaust gas passes through the baffle 12 and the air intake end 621 of the air guide coil 62 and enters the air guide coil 62, the exhaust gas needs to pass through a coiled flow channel in the cooling component 61 before being discharged from the exhaust end 622 of the air guide coil 62. During this process, the coolant stored in the coolant flow channel 611 can absorb the heat of the exhaust gas, thus completing the cooling treatment of the exhaust gas. At the same time, it is convenient to absorb and utilize the heat carried by the exhaust gas, making it convenient to use.

[0084] In a preferred embodiment, the system further includes a particulate collection box 71, a bottom support plate 72, fine-pore filter plates 73, frame plates 74, and a connecting pipe 75. The bottom of the processing box 11 has an assembly opening 117, and the particulate collection box 71 is disposed inside the assembly opening 117 and sealed to it. The bottom support plate 72 is detachably connected to the interior of the particulate collection box 71. Multiple fine-pore filter plates 73 are disposed inside the particulate collection box 71 and distributed along the length of the particulate collection box 71. The bottom wall of each fine-pore filter plate 73 is sealed to the bottom support plate 72, and the fine-pore filter plates 73 are used to filter PM particles in the exhaust gas. Multiple frame plates 74 are disposed on the bottom support plate 72 and are located on one side of each fine-pore filter plate 73 along the length of the particulate collection box 71. The outlet end 622 of the air guide coil 62 and the connecting pipe 75 are respectively connected to opposite sides of the particulate collection box 71 along its length.

[0085] By setting up a particulate trap 71, after the engine exhaust gas is discharged from the outlet 622 and flows into the particulate trap 71, the engine exhaust gas needs to pass through this particulate trap 71 and then be discharged from the connecting pipe 75. During this process, the fine-pore filter plate 73 set in the particulate trap 71 can physically filter the PM particles contained in the engine exhaust gas, thus completing the particulate trapping treatment of the engine exhaust gas. The filtered particulate impurities will adhere to one side of the fine-pore filter plate 73. In order to maintain the filtering effect of the fine-pore filter plate 73, the bottom support plate 72 can be removed when cleaning the fine-pore filter plate 73. During the downward removal of the bottom support plate 72, the bottom support plate 72 drives the frame plate 74 to move downward together. The downward moving frame plate 74 can scrape off the particulate impurities attached to the surface of the fine-pore filter plate 73, making it convenient to use.

[0086] In practice, the bottom support plate 72 is connected to the particle collection box 71 by bolts.

[0087] In a preferred embodiment, the system further includes a catalytic reduction chamber 81, a liquid collecting top plate 82, a reducing liquid inlet pipe 83, a reducing liquid spray pipe 84, a second drain pipe 85, and a second water guiding bottom block 86. The catalytic reduction chamber 81 is disposed inside the processing chamber 11, and the connecting pipe 75 and the exhaust pipe 112 are respectively connected to opposite sides of the catalytic reduction chamber 81 along its length. The liquid collecting top plate 82 is fixedly connected to the processing chamber 11, and a liquid collecting chamber 821 is formed inside the liquid collecting top plate 82. The reducing liquid inlet pipe 83... The reducing liquid inlet pipe 83 is connected to the liquid collection chamber 821 and is used to supply urea solution for circulation; multiple reducing liquid spray pipes 84 are all connected to the liquid collection chamber 821 and extend into the interior of the catalytic reduction chamber 81, distributed along the length of the catalytic reduction chamber 81, and the reducing liquid spray pipes 84 are used to atomize and spray urea solution; the second drain pipe 85 is connected to the bottom of the catalytic reduction chamber 81 and extends to the outside of the treatment chamber 11; the second water guide bottom block 86 is set at the bottom of the inner cavity of the catalytic reduction chamber 81, and the top wall of the second water guide bottom block 86 extends to the second drain pipe 85.

[0088] By setting up a catalytic reduction chamber 81, after the exhaust gas from the engine unit is discharged into the catalytic reduction chamber 81 through the connecting pipe 75, urea solution can be atomized and sprayed out from each reducing liquid spray pipe 84 through the reducing liquid inlet pipe 83 and the liquid collection top plate 82. The atomized urea solution can undergo a catalytic reduction reaction with the exhaust gas from the engine unit flowing in the catalytic reduction chamber 81, reducing it into harmless nitrogen and water. The purified exhaust gas from the engine unit can be discharged from the exhaust pipe 112, while the second drain pipe 85 can discharge the water produced after reduction, which is convenient to use.

[0089] In a preferred embodiment, the system further includes a limiting connecting ring 91, a top connecting cover 92, a sliding member 93, and a shock-absorbing rod 94. The two limiting connecting rings 91 are fixedly sleeved on the outer side of the air intake pipe 111 and abut against opposite sides of the side wall of the processing chamber 11. The top connecting cover 92 is disposed on one side wall of the corresponding air intake pipe 111 of the processing chamber 11. The sliding member 93 is slidably connected to the inner side of the top connecting cover 92, and one side of the limiting connecting ring 91 is slidably connected to the sliding member 93. The sliding direction of the sliding member 93 is perpendicular to the sliding direction of the limiting connecting ring 91. The shock-absorbing rod 94 is disposed inside the top connecting cover 92, and the telescopic end of the shock-absorbing rod 94 is connected to the sliding member 93 to reset the sliding position of the sliding member 93.

[0090] Since the intake pipe 111 is connected to the engine assembly, it will vibrate during actual use. This design allows the intake pipe 111 to deflect slightly relative to the processing box 11, and the damping rod 94 further dampens the intake pipe 111 to improve the connection stability of the intake pipe 111.

[0091] This invention also proposes a method for treating generator exhaust gas, which is accomplished by the aforementioned generator exhaust gas treatment device, and includes the following steps:

[0092] Step 1: Connect the assembly plate 2 to the cavity on the side of the corresponding air inlet pipe 111 of the partition 12;

[0093] Step 2: Adjust the first stop 32 and the second stop 33 to slide towards the opposite side of the assembly plate 2. At this time, the first stop 32 is inserted into and sealed inside the first sealing slot 116, and the second stop 33 is inserted into and sealed inside the second sealing slot 121.

[0094] Step 3: Adjust the generator set exhaust gas to be discharged from the intake pipe 111 into the interior of the treatment box 11. At this time, under the guidance of the first baffle 32, the generator set exhaust gas passes through the oxidation catalyst 31 and is first blocked and recirculated by the baffle 12. Under the guidance of the second baffle 33, the recirculated generator set exhaust gas passes through the oxidation catalyst 31 and is second blocked and recirculated by the inner wall of the treatment box 11. The recirculated generator set exhaust gas passes through the oxidation catalyst 31 and is discharged from the exhaust hole opened on the baffle 12. The generator set exhaust gas flows through the multiple channels opened on the oxidation catalyst 31, completing the oxidation and catalytic treatment of the generator set exhaust gas.

[0095] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A generator set exhaust gas treatment device, characterized in that: This includes the treatment chamber, partitions, assembly panels, oxidation catalyst, first baffle, second baffle, and side seals, among which... The processing unit is connected to an air inlet pipe and an exhaust pipe. The air inlet pipe is used to discharge the exhaust gas from the generator set to be purified, and the exhaust pipe is used to discharge the purified exhaust gas from the generator set. A partition is provided inside the processing chamber, dividing the processing chamber into two chambers; An assembly plate is disposed inside the cavity on one side of the partition and is sealed against the inner wall of the processing box. The assembly plate includes a vertical plate and two horizontal plates. The middle of the two horizontal plates is connected to the vertical plate and they are distributed in the height direction. Multiple oxidation catalysts are provided, each being a honeycomb ceramic rectangular component. The pores of the oxidation catalysts are coated with an oxidation catalyst coating. The multiple oxidation catalysts are respectively disposed between each of the horizontal plate and the vertical plate. The first stop is an arc-shaped stop. A first mounting slide hole is provided on the upper horizontal plate. The first stop is slidably disposed inside the first mounting slide hole. A first sealing slot is provided on the inner wall of the processing box for the first stop to be sealed and inserted. The air inlet pipe is connected to the top of the first stop. The second stop is a rectangular stop. A second mounting slide hole is provided on the horizontal plate below. The second stop is slidably disposed inside the second mounting slide hole. A second sealing slot is provided on the partition for the second stop to be sealed and inserted. Both the first stop and the second stop are used to block the exhaust gas of the generator set. An exhaust hole is provided on the partition. The exhaust hole is located below the second stop and is used to allow the exhaust gas of the generator set to be discharged.

2. The generator set exhaust gas treatment device as described in claim 2, characterized in that: It also includes a control shaft, control gears, drive wheels, and chain belt, among which, An assembly chamber is formed in the middle of the vertical plate. Both of the control shafts are rotatably disposed inside the assembly chamber. A sliding hole is provided on the top of the processing box. One of the control shafts passes through the sliding hole and extends to the outside of the processing box. Two regulating gears are respectively set on each of the regulating shafts, and the bottom of the first stop has a first tooth groove that meshes with the regulating gear above, and the top of the second stop has a second tooth groove that meshes with the regulating gear below. Both of the control shafts are equipped with drive wheels, and the chain belt is connected to the two drive wheels in a driving connection.

3. The generator set exhaust gas treatment device as described in claim 1, characterized in that: It also includes side seals and a top connecting cover, wherein, The inner cavity of the processing box is provided with two side seals on each of the opposite side walls. The two side seals are located on opposite sides of the assembly plate and abut against the first stop and the second stop. A top connecting cover is disposed on the assembly plate, and an assembly hole is provided on the processing box. The top connecting cover passes through the assembly hole and is detachably connected to the processing box. An assembly groove is provided on the inner side of the assembly hole. A side protrusion is provided on the side wall of the top connecting cover. The side protrusion is inserted into the interior of the assembly groove and is sealed and engaged with the assembly groove.

4. The generator set exhaust gas treatment device as described in claim 1, characterized in that: It also includes a first drain pipe, a water collection cylinder, a first side water inlet pipe, and a second side water inlet pipe, wherein, A first drain pipe is connected to the bottom of the processing box, and the first drain pipe is positioned opposite the first baffle in the height direction. A water collection cylinder is connected to the first drain pipe, and the first side water inlet pipe is connected to one side of the water collection cylinder; The second side water inlet pipe is located at the bottom of the treatment tank and is connected to the first side water inlet pipe.

5. The generator set exhaust gas treatment device as described in claim 5, characterized in that: It also includes a sliding pipe, a first guide block, and a water inlet baffle, among which, The water collection cylinder is provided with a threaded hole, and the first drain pipe is threadedly connected to the threaded hole. The sliding pipe is slidably sleeved on the outside of the first side water inlet pipe and can be detachably connected to the second side water inlet pipe through a flange; The first water-guiding bottom block is disposed at the bottom of the inner cavity of the processing box. The top wall of the first water-guiding bottom block is an inclined wall, and the top wall of the first water-guiding bottom block extends to the first drain pipe. Two water-diverting baffles are both installed inside the first drain pipe and are distributed in the height direction. A water-falling gap is formed between the water-diverting baffles and the inner wall of the first drain pipe. The upper and lower water-falling gaps are located on opposite sides of the inner cavity of the first drain pipe.

6. The generator set exhaust gas treatment device as described in claim 1, characterized in that: It also includes cooling components, air duct coils, coolant inlet pipes, and coolant outlet pipes, among which, The cooling component is disposed on the side of the partition away from the assembly plate, and the air guide coil is embedded inside the cooling component, with the air inlet end of the air guide coil connected to the exhaust port of the partition. The cooling component has a coolant flow channel inside, and the air guide coil is arranged on both sides of the coolant flow channel. The coolant inlet pipe and the coolant outlet pipe are both connected to the coolant flow channel and extend to the outside of the processing box.

7. The generator set exhaust gas treatment device as described in claim 1, characterized in that: It also includes a particle collection box, a bottom support plate, a fine-pore filter plate, a frame plate, and a connecting pipe, among which, The bottom of the processing box is provided with an assembly opening, and the particle collection box is disposed inside the assembly opening and is sealed to the assembly opening. The bottom support plate is detachably connected to the interior of the particle collection box. Multiple fine-pore filter plates are disposed inside the particulate collection box and distributed along the length of the particulate collection box. The bottom wall of the fine-pore filter plate is sealed and abuts against the bottom support plate. The fine-pore filter plate is used to filter PM particles in the exhaust gas. Multiple frame plates are all disposed on the bottom support plate and are respectively located on one side of the fine pore filter plate along the length direction of the particle collection box; The outlet end of the air guide coil and the connecting pipe are respectively connected to opposite sides of the particle collection box along the length direction of the particle collection box.

8. The generator set exhaust gas treatment device as described in claim 1, characterized in that: It also includes a catalytic reduction tank, a liquid collection top plate, a reducing liquid inlet pipe, a reducing liquid spray pipe, a second drain pipe, and a second water guide block, among which, A catalytic reduction chamber is disposed inside the treatment chamber, and the connecting pipe and the exhaust pipe are respectively connected to opposite sides of the catalytic reduction chamber along the length direction of the catalytic reduction chamber; A liquid collecting top plate is fixedly connected to the processing box body. A liquid collecting cavity is formed inside the liquid collecting top plate. The reducing liquid inlet pipe is connected to the liquid collecting cavity and is used to supply urea solution for flow. Multiple reducing liquid spray pipes are connected to the liquid collection chamber and extend into the interior of the catalytic reduction chamber, distributed along the length of the catalytic reduction chamber. The reducing liquid spray pipes are used to atomize and spray urea solution. The second drain pipe is connected to the bottom of the catalytic reduction chamber and extends to the outside of the processing chamber. The second water guide block is located at the bottom of the inner cavity of the catalytic reduction chamber, and the top wall of the second water guide block extends to the second drain pipe.

9. The generator set exhaust gas treatment device as described in claim 1, characterized in that: It also includes a limiting connecting ring, a top connecting cover, a sliding joint, and a shock absorber rod, among which, Two limiting connecting rings are fixedly sleeved on the outside of the air inlet pipe and respectively abut against the opposite sides of the side wall of the processing box. A top connecting cover is provided on one side wall of the processing box corresponding to the air inlet pipe. The sliding member is slidably connected to the inner side of the top connecting cover, and one side of the limiting connecting ring is slidably connected to the sliding member. The sliding direction of the sliding member is perpendicular to the sliding direction of the limiting connecting ring. A shock-absorbing rod is disposed inside the top connecting cover, and the telescopic end of the shock-absorbing rod is connected to the sliding member to reset the sliding position of the sliding member.

10. A method for treating exhaust gas from a generator set, characterized in that: The process is accomplished by the generator set exhaust gas treatment device according to any one of claims 1 to 9, comprising the following steps: S1. Connect the assembly plate to the cavity on the corresponding air intake side of the partition; S2. Adjust the first stop and the second stop to slide towards the opposite side of the assembly plate. At this time, the first stop is inserted into and sealed inside the first sealing slot, and the second stop is inserted into and sealed inside the second sealing slot. S3. Adjust the generator set exhaust gas to be discharged from the intake pipe into the interior of the treatment box. The generator set exhaust gas flows through multiple channels opened on the oxidation catalyst to complete the oxidation catalytic treatment of the generator set exhaust gas.

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