Silencing and smoke removing device of diesel generating set
By combining multi-layer filter elements and silencer pipes, the problems of poor filtration and silencing effects of diesel generator sets and the treatment of overheated flue gas are solved, achieving effective flue gas filtration, silencing and cooling, reducing environmental pollution and personal danger.
Patent Information
- Application Number
- CN202520337990.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing diesel generator sets have difficulty guaranteeing filtration and noise reduction, and cannot effectively handle overheated flue gas, which may lead to environmental pollution and burns.
It adopts a multi-layer filter structure, including a first filter tube and a second filter tube, combined with a silencer tube. The flue gas is filtered through the filter element, and the noise is reduced by the flow guide ring and the outlet design. The second filter tube is used to cool the gas, and finally the gas is discharged through the tailpipe. The heat is dispersed by the heat insulation cover.
It achieves effective flue gas filtration, noise reduction, and cooling, reducing smoke and noise pollution and protecting the environment and personal safety.
Smart Images

Figure CN223814089U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to diesel generating technology field, concretely relates to a diesel generating set silencing and smoke removing device. BACKGROUND
[0002] The diesel generating set is a kind of small power generation equipment, and when the diesel generating set is running, diesel needs to be burned, and flue gas is discharged through a smoke exhaust pipe.The flue gas discharged by the diesel generating set is directly discharged, which is harmful to the environment, and the temperature of the flue gas is relatively high.
[0003] Application No.CN202120950409.5 discloses a kind of diesel generating set silencing and smoke removing device, waste smoke generated by diesel generating set is filtered, pollution is reduced, and filter plate is replaced simultaneously, to ensure the filtering effect of filter plate.But in the above application, the spliced filter structure used in the treatment of flue gas is difficult to guarantee the effect of filtering and silencing, and the treatment of flue gas is relatively single, and the over-heated flue gas cannot be cooled, which may cause burns to the people present.
[0004] Therefore, the technical problems existing in the prior art should be solved. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of diesel generating set silencing and smoke removing device, to solve the problems that filtering and silencing are difficult to guarantee and over-heated flue gas cannot be treated.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of diesel generating set silencing and smoke removing device, including engine set and base, the engine set is fixedly installed on the base, the engine set is provided with smoke exhaust pipe, the port of the smoke exhaust pipe is provided with silencer, the inner wall of the silencer is movably installed with filter tube, the inner wall of the filter tube is movably installed with filter core.
[0007] Preferably, the filter tube includes a first filter tube and a second filter tube, the first filter tube is fixedly connected with the second filter tube, an opening is provided at the connection between the second filter tube and the first filter tube, a through hole is provided on the outer wall of the first filter tube, a flow guide ring is provided on the outer wall of the first filter tube, and the outer wall of the flow guide ring is movably connected with the inner wall of the silencer.
[0008] Preferably, a connecting block is provided on the filter core, an installation hole is provided on the inner wall of the first filter tube, the connecting block is movably connected with the installation hole, one end of the filter core is movably connected with the inner wall of the silencer, a sealing gasket is provided on the filter core and in contact with the silencer, and the filter core is arranged in parallel on one side of the smoke exhaust pipe.
[0009] Preferably, the outer wall of the lower side of the second filter tube is provided with an extension block, the outer wall of the sound attenuation tube is provided with a mounting block, and a fixing screw is arranged between the extension block and the mounting block.
[0010] Preferably, a concave-convex matched rubber pad is arranged between the second filter tube and the sound attenuation tube.
[0011] Preferably, one end of the second filter tube is provided with a tail pipe, the tail pipe is threadedly mounted at the port of the second filter tube, and a heat shield is fixedly mounted at one end of the tail pipe.
[0012] Preferably, the sound attenuation tube is fixedly mounted at the port of the smoke exhaust pipe, and the inner wall of the sound attenuation tube is provided with a connecting gasket in contact with the smoke exhaust pipe.
[0013] The technical effects and advantages of the utility model are as follows: when the engine set is working, the generated gas is discharged through the smoke exhaust pipe, the gas is first filtered through the filter element in the filter tube, the content of smoke dust in the gas is reduced, at the same time, the gas during filtering can be sound-attenuated through the sound attenuation tube on the outside, the noise generated during the flow of the gas is reduced, after passing through the first filter tube, the first filtered gas flows out through the through port, after passing through the flow guide ring, the gas flows to the second filter tube, the second filter tube can pass, the gas flows to the tail pipe through the second filter tube, the gas is cooled during the flow, through the effect of the sound attenuation tube and the filter tube, the gas generated during the operation of the engine is processed, the noise and the content of smoke dust are reduced, and the pollution is further reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0015] Figure 2 It is a filter tube installation structure schematic view of the utility model;
[0016] Figure 3 It is a sound attenuation tube explosion structure schematic view of the utility model;
[0017] Figure 4 It is a filter tube cross section structure schematic view of the utility model.
[0018] In the drawing: 1, engine set; 2, base; 3, smoke exhaust pipe; 4, sound attenuation tube; 5, filter tube; 6, filter element; 7, first filter tube; 8, second filter tube; 9, opening; 10, through port; 11, flow guide ring; 12, connecting block; 13, mounting port; 14, sealing gasket; 15, extension block; 16, mounting block; 17, fixing screw; 18, rubber pad; 19, tail pipe; 20, heat shield; 21, connecting gasket. DETAILED DESCRIPTION
[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0020] The utility model provides a diesel generating set silencing and smoke removing device as shown in Figures 1-4 The utility model provides a diesel generating set silencing and smoke removing device as shown in In use, the silencing pipe 4 can be fixed at the port of the smoke pipe 3 through the clamp, when the engine set 1 works, the generated gas will be discharged through the smoke pipe 3, the gas will first pass through the filter element 6 in the filter pipe 5 to filter the gas and reduce the smoke content in the gas, at the same time, the gas during filtering can be silenced through the outer silencing pipe 4 to reduce the noise generated when the gas flows, after passing through the first filter pipe 7, the first filtered gas will flow out through the through port 10, after passing through the flow guide ring 11, it flows to the second filter pipe 8, the second filter pipe 8 can pass through, the gas will flow to the tail pipe 19 through the second filter pipe 8, the gas is cooled during flowing, and finally discharged after passing through the heat shield 20, through the action of the silencing pipe 4 and the filter pipe 5, the gas generated when the engine runs is processed to reduce the noise and smoke content, thereby reducing pollution.
[0021] Specifically, the filter pipe 5 comprises a first filter pipe 7 and a second filter pipe 8, the first filter pipe 7 is fixedly connected with the second filter pipe 8, the second filter pipe 8 is provided with an opening 9 at the connection with the first filter pipe 7, the outer wall of the first filter pipe 7 is provided with a through port 10, the outer wall of the first filter pipe 7 is provided with a flow guide ring 11, and the outer wall of the flow guide ring 11 is movably connected with the inner wall of the silencing pipe 4. One end of the second filter pipe 8 is provided with a tail pipe 19, the tail pipe 19 is screwedly installed at the port of the second filter pipe 8, and the tail pipe 19 is fixedly installed with a heat shield 20 at one end. Figure 2As shown, one end of the filter tube 5 is movably mounted inside the muffler 4, i.e. the first filter tube 7, and the other end extends to the outside of the muffler 4, i.e. the second filter tube 8, and the filter core 6 is movably mounted inside the first filter tube 7 to filter the gas discharged from the exhaust pipe 3 in time, and reduce the noise in the muffler 4 sleeved on the outer wall of the filter tube 5, and after passing through the filter core 6, the gas will flow through the opening 10 to the inside of the first filter tube 7, and the flow of the gas will flow through the opening 9 to the inside of the second filter tube 8 under the influence of the backflow ring arranged on the outer wall of the filter core 6, the pipe diameter of the second filter tube 8 is larger, and the noise generated by the gas flow is less, and the second filter tube 8 is extended to the outside of the muffler 4, and the pipe wall can be cooled by directly contacting with the external air, and if necessary, cooling means such as water cooling can be added on the outer wall of the second filter tube 8, which can reduce the temperature of the outer wall of the second filter tube 8 while isolating the outer wall of the second filter tube 8 from the outside, so that the temperature of the gas flowing through the second filter tube 8 is also reduced, and the cooled gas will be discharged through the tail pipe 19, and the heat shield 20 is arranged at the port of the tail pipe 19 to disperse the gas, quickly disperse the gas and dissipate the heat.
[0022] Specifically, the outer wall of the lower side of the second filter tube 8 is provided with an extension block 15, the outer wall of the muffler 4 is provided with a mounting block 16, and the extension block 15 and the mounting block 16 are provided with a fixing screw 17. The second filter tube 8 and the muffler 4 are provided with a concave-convex matched rubber pad 18. The filter core 6 is provided with a connecting block 12, the inner wall of the first filter tube 7 is provided with a mounting port 13, the connecting block 12 and the mounting port 13 are movably connected, one end of the filter core 6 is movably connected with the inner wall of the muffler 4, the filter core 6 is provided with a sealing pad 14 in contact with the muffler 4, and the filter core 6 is arranged in parallel on one side of the exhaust pipe 3. The muffler 4 is fixedly mounted at the port of the exhaust pipe 3, and the inner wall of the muffler 4 is provided with a connecting gasket 21 in contact with the exhaust pipe 3. For reference Figure 3Or 4, the filter core 6 is provided with a connecting block 12, the connecting block 12 is a symmetrical rectangle with certain ductility, and one end of the connecting block 12 is a convex block, the outer wall of the first filter pipe 7 is provided with a mounting port 13, the concave shape of the mounting port 13 is consistent with the convex shape of the connecting block 12, the first filter pipe 7 can be fixed to the filter core 6 by matching the concave-convex of the connecting block 12 and the mounting port 13, the outer wall of the lower side of the first filter pipe 7 is fixed to the filter core 6, and the basic fixation is obtained, then, the first filter pipe 7 is installed in the muffler pipe 4, the extension block 15 is aligned with the mounting block 16, and the second filter pipe 8 is fixed to one end of the muffler pipe 4 through the fixing screw 17, at this time, the sealing gasket 14 provided on the filter core 6 is tightly attached to the inner wall of the muffler pipe 4, after the other end of the muffler pipe 4 is connected to the exhaust pipe 3 through a clamp or other connecting structure, the gas discharged from the exhaust pipe 3 directly enters the filter pipe 5 through the filter core 6, and the gas is filtered and silenced; when the muffler pipe 4 and the filter pipe 5 are replaced or maintained, the muffler pipe 4, the filter pipe 5 and the filter core 6 can be repaired or replaced by sequentially removing the fixing bolt, the filter pipe 5 and the filter core 6.
[0023] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A diesel generator set silencing and smoke eliminating device characterized by: Including engine group (1) and base (2), the engine group (1) is fixedly installed on the base (2), the engine group (1) is provided with exhaust pipe (3), the port of exhaust pipe (3) is provided with silencer (4), the inner wall of silencer (4) is movably installed with filter tube (5), the inner wall of filter tube (5) is movably installed with filter core (6).
2. A diesel generating set silencing and smoke eliminating device according to claim 1, characterized in that: The filter tube (5) includes a first filter tube (7) and a second filter tube (8), the first filter tube (7) is fixedly connected with the second filter tube (8), the second filter tube (8) is provided with an opening (9) at the connection with the first filter tube (7), the outer wall of the first filter tube (7) is provided with a through hole (10), the outer wall of the first filter tube (7) is provided with a flow guide ring (11), the outer wall of the flow guide ring (11) is movably connected with the inner wall of the silencer (4).
3. A diesel generating set silencing and smoke eliminating device according to claim 2, characterized in that: The filter core (6) is provided with a connecting block (12), the inner wall of the first filter tube (7) is provided with a mounting hole (13), the connecting block (12) is movably connected with the mounting hole (13), one end of the filter core (6) is movably connected with the inner wall of the silencer (4), the filter core (6) is provided with a sealing gasket (14) in contact with the silencer (4), and the filter core (6) is arranged in parallel on one side of the exhaust pipe (3).
4. A diesel generating set silencing and smoke eliminating device according to claim 3, characterized in that: The outer wall of the lower side of the second filter tube (8) is provided with an extension block (15), the outer wall of the silencer (4) is provided with a mounting block (16), and the extension block (15) and the mounting block (16) are provided with a fixing screw (17).
5. A diesel generating set silencing and smoke eliminating device according to claim 4, characterized in that: The second filter tube (8) and the silencer (4) are provided with a concave-convex matched rubber pad (18).
6. A diesel generating set silencing and smoke eliminating device according to claim 5, characterized in that: One end of the second filter tube (8) is provided with a tail pipe (19), the tail pipe (19) is screwed in the port of the second filter tube (8), and the tail pipe (19) is fixedly installed with a heat shield (20) at one end.
7. A diesel generating set silencing and smoke eliminating device according to claim 6, characterized in that: The silencer (4) is fixedly installed in the port of the exhaust pipe (3), and the inner wall of the silencer (4) is provided with a connecting gasket (21) in contact with the exhaust pipe (3).
Citation Information
Patent Citations
Silencing and smoke removing device for diesel generating set
CN215333051U