Tail gas emission purification mechanism of gas turbine unit

By introducing roller brushes and cleaning mechanisms into the exhaust gas purification system of the gas turbine unit, the problem of increased filter resistance was solved, automatic cleaning was achieved, and system performance and efficiency were improved.

CN223608624UActive Publication Date: 2025-11-28BEIJING JIANGNAN CARTER MACHINERY CO LTD
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Patent Information

Application Number
CN202520325993.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2025-11-28
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

In existing gas turbine exhaust purification systems, particulate matter gradually accumulates in the filter, leading to increased filter resistance and affecting unit performance and efficiency.

Method used

An exhaust gas purification mechanism was designed, which includes a roller brush and a cleaning mechanism. The roller brush is used to clean the filter screen, and the cleaning mechanism is used to scrape off carbon deposits and impurities on the adsorption layer. Water is sprayed through the nozzle and the motor is started to rotate the roller brush and the fan blades to drive the scraper blades, so as to achieve automatic cleaning.

Benefits of technology

It effectively removes particulate matter and carbon deposits from the filter and adsorption layer, maintains smooth system ventilation, improves unit performance and efficiency, and reduces energy consumption.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of tail gas purification, and discloses a tail gas emission purification mechanism of a gas unit, which comprises a base platform, a base is mounted on the middle rear side of the top wall of the base platform, upright posts are fixedly connected to four corners of the top of the base, and a filter box is mounted on the middle upper parts of the inner sides of the upright posts; a plurality of rolling brushes are rotatably connected to the middle upper part of the inner wall of the filter box, gears are fixedly connected to the left and right ends of the rolling brushes, a filter screen is mounted on the rear sides of the rolling brushes, a cover plate is mounted at the top of the filter box, a water inlet pipe is mounted at the bottom of the cover plate, and a plurality of nozzles are communicated with the bottom of the water inlet pipe at equal intervals. The rolling brush is mounted on the front side of the filter screen, the water inlet pipe is mounted at the bottom of the cover plate, the nozzles are communicated with the bottom of the water inlet pipe at equal intervals, the nozzles spray water onto the filter screen and the rolling brush, the rolling brush is rotated to clean the filter screen, and sewage is discharged from the drain pipe at the bottom of the filter tank.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas purification technical field especially relates to a tail gas emission purification mechanism of gas unit. BACKGROUND

[0002] Automobile exhaust is the waste gas produced when the car is used, contains hundreds of different compounds, exhaust directly endanger human health, but also has far-reaching influence on the environment of human life, sulfur dioxide in exhaust has strong irritating smell, reach certain concentration when easy to cause acid rain to occur, cause soil and water acidification, affect the growth of crops and forest.

[0003] The tail gas emission purification mechanism of gas unit is used when purifying automobile exhaust, and the purification mechanism comprises a catalytic converter, a particulate filter and an adsorption device, which is simple in structure, convenient to disassemble and assemble, cleanable and regenerable, and the tubular purification membrane is used to fully filter the particulate matter in the tail gas.

[0004] In the prior art, the tail gas generated by the gas unit first enters the catalytic converter, where carbon monoxide and hydrocarbons and other harmful gases are oxidized under the action of the catalyst to preliminarily purify the tail gas, the tail gas after the catalytic converter then enters the particulate filter to intercept the solid particulate matter therein and further purify the tail gas, and finally the tail gas passes through the adsorption device to adsorb and treat some trace harmful gases remaining in the tail gas, so that the tail gas meets the emission standard and is discharged into the atmosphere. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a tail gas emission purification mechanism of gas unit, which aims to improve the problem that in the prior art, the particulate matter gradually accumulates in the filter, resulting in the continuously increasing resistance of the filter, thereby increasing the exhaust back pressure of the gas unit and affecting the performance and efficiency of the unit.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a tail gas emission purification mechanism of gas turbine unit, including base platform, the top wall middle rear side of base platform is installed with base, the top four corner places of base are all fixedly connected with stand, the inner side middle upper portion of stand is installed with filter box, the inner wall middle upper portion of filter box is rotatably connected with a plurality of rolling brushes, the left and right ends of rolling brush are all fixedly connected with gear, the left side of base is installed with fixed block, the top of fixed block is fixedly connected with motor, the output of motor is fixedly connected with gear, the rear side of rolling brush is installed with filter screen, the top of filter box is installed with cover plate, the bottom of cover plate is installed with water inlet pipe, the bottom equidistantly communicated of water inlet pipe has a plurality of sprays, the rear side of filter screen is communicated with exhaust pipe, the front side of filter box is communicated with air inlet pipe, the front end of air inlet pipe is installed with cleaning mechanism, and the cleaning mechanism is used to adsorb and scrape off adhered impurities.

[0007] As a further description of the above technical solution:

[0008] The cleaning mechanism comprises a shell, the shell is installed at the front end of the air inlet pipe, the inner wall of the shell is provided with an adsorption layer, the rear end of the shell is provided with a positioning ring, the inner side of the positioning ring is rotatably connected with a connecting shaft, the rear end of the connecting shaft is fixedly connected with a fan blade, the outer wall of the connecting shaft is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a scraper at equal intervals, and the front end of the shell is provided with a fence plate.

[0009] As a further description of the above technical solution:

[0010] The inner bottom wall of the filter box is provided with a water outlet hole in the middle, and the outer side of the water outlet hole is communicated with a drain pipe.

[0011] As a further description of the above technical solution:

[0012] The top wall of the base platform is provided with an engine on the front side, and the outer wall of the engine is provided with an adapter pipe on the left side.

[0013] As a further description of the above technical solution:

[0014] The outer wall of the engine is fixedly connected with a limiting plate on the front side, and the outer wall of the limiting plate is rotatably connected with a bolt.

[0015] As a further description of the above technical solution:

[0016] The bottom of the limiting plate is provided with a gasket, and the bottom of the gasket is provided with a mounting plate.

[0017] As a further description of the above technical solution:

[0018] The terminal end of the adapter pipe is communicated with a gas suction pipe, and the terminal end of the gas suction pipe is communicated with a gas delivery pipe.

[0019] As a further description of the above technical solution:

[0020] The base platform is provided with a fixing rod on each side, and the front and rear ends of the fixing rod are fixedly connected with fixing plates.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1. In the utility model, the filter screen is provided with a rolling brush on the front side, and the bottom of the cover plate is provided with a water inlet pipe, and the bottom of the water inlet pipe is communicated with a plurality of spray heads at equal intervals, the spray heads uniformly spray water on the filter screen and the rolling brush, the rolling brush is rotated by the starting motor, the filter screen is cleaned by the rolling brush, and the sewage is discharged from the drain pipe at the bottom of the filter box.

[0023] 2. In the utility model, the internal activated carbon adsorption layer is usually blocked by impurities, and the carbon deposition and impurity adhesion phenomenon easily occurs on the cylinder wall, the fan blades are rotated when the tail gas passes through the adsorption layer, the scraper is rotated by the fan blades, and the carbon deposition and impurities on the surface of the adsorption layer are scraped clean. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A perspective view of a tail gas discharge and purification mechanism of a gas turbine unit is provided for the utility model;

[0025] Figure 2 A front view of a tail gas discharge and purification mechanism of a gas turbine unit is provided for the utility model;

[0026] Figure 3 A side view of a tail gas discharge and purification mechanism of a gas turbine unit is provided for the utility model;

[0027] Figure 4 A partial structure schematic view of a tail gas discharge and purification mechanism of a gas turbine unit is provided for the utility model;

[0028] Figure 5 A cleaning mechanism split view of a tail gas discharge and purification mechanism of a gas turbine unit is provided for the utility model.

[0029] LEGEND:

[0030] 1, base platform; 2, cleaning mechanism; 201, shell; 202, adsorption layer; 203, positioning ring; 204, connecting shaft; 205, fan blade; 206, scraper; 207, fence; 208, rotating shaft; 3, engine; 4, fixed rod; 5, fixed sheet; 6, limiting plate; 7, bolt; 8, gasket; 9, mounting plate; 10, gas delivery pipe; 11, adapter pipe; 12, fixed block; 13, stand; 14, filter box; 15, motor; 16, gear; 17, water inlet pipe; 18, exhaust pipe; 19, cover plate; 20, filter screen; 21, roller brush; 22, spray head; 23, drain pipe; 24, water outlet hole; 25, base; 26, air inlet pipe; 27, air suction pipe. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Reference Figure 1 , Figure 2 and Figure 4The utility model provides an embodiment: a tail gas emission purification mechanism of gas unit, including base platform 1, the top wall rear side of base platform 1 is installed with base 25, the top four corner places of base 25 are all fixedly connected with stand 13, the inside middle upper portion of stand 13 is installed with filter box 14, the inner wall middle upper portion of filter box 14 is rotatably connected with a plurality of roll brush 21, the left and right ends of roll brush 21 are all fixedly connected with gear 16, the left side of base 25 is installed with fixed block 12, the top of fixed block 12 is fixedly connected with motor 15, the output of motor 15 is fixedly connected with gear 16, the rear side of roll brush 21 is installed with filter screen 20, the top of filter box 14 is installed with cover plate 19, the bottom of cover plate 19 is installed with water inlet pipe 17, the bottom equidistantly of water inlet pipe 17 is communicated with a plurality of spray head 22, the rear side of filter screen 20 is communicated with exhaust pipe 18, the front side of filter box 14 is communicated with air inlet pipe 26, the front end of air inlet pipe 26 is installed with cleaning mechanism 2, and cleaning mechanism 2 is used to adsorb and scrape off adhered impurity, the inner bottom wall middle portion of filter box 14 is set with water outlet hole 24, the outside of water outlet hole 24 is communicated with drain pipe 23, the particulate matter will gradually increase and block filter screen 20 after long-term use of filter screen 20, so the front side of filter screen 20 is installed with roll brush 21, the bottom of cover plate 19 is installed with water inlet pipe 17, the bottom equidistantly of water inlet pipe 17 is communicated with a plurality of spray head 22, spray head 22 evenly sprays water on filter screen 20 and roll brush 21, starts motor 15 and rotates roll brush 21, and roll brush 21 will wash filter screen 20 clean, and sewage will be discharged from the drain pipe 23 at the bottom of filter box 14, the top wall front side of base platform 1 is installed with engine 3, and the outer wall left side of engine 3 is installed with adapter pipe 11.

[0033] Specific, the top wall of the base platform 1 rear side is provided with a base 25, the top of the base 25 is fixedly connected with four columns 13, the inner side of the column 13 is provided with a filter box 14, the inner wall of the filter box 14 is rotatably connected with a plurality of brushes 21, the left and right ends of the brush 21 are fixedly connected with a gear 16, the left side of the base 25 is provided with a fixed block 12, the top of the fixed block 12 is fixedly connected with a motor 15, the output end of the motor 15 is fixedly connected with a gear 16, the rear side of the brush 21 is provided with a filter screen 20, the top of the filter box 14 is provided with a cover plate 19, the bottom of the cover plate 19 is provided with a water inlet pipe 17, the bottom of the water inlet pipe 17 is communicated with a plurality of nozzles 22, the rear side of the filter screen 20 is communicated with an exhaust pipe 18, the front side of the filter box 14 is communicated with an air inlet pipe 26, the front end of the air inlet pipe 26 is provided with a cleaning mechanism 2, the cleaning mechanism 2 is used to adsorb and scrape off the adhered impurities, the inner bottom wall of the filter box 14 is provided with a water outlet hole 24, the outer side of the water outlet hole 24 is communicated with a drain pipe 23, the filter screen 20 is provided with a brush 21 in front of the filter screen 20, the bottom of the cover plate 19 is provided with a water inlet pipe 17, the bottom of the water inlet pipe 17 is communicated with a plurality of nozzles 22, the nozzles 22 uniformly spray water on the filter screen 20 and the brush 21, the motor 15 is started to rotate the brush 21, the brush 21 can clean the filter screen 20, and the sewage is discharged from the drain pipe 23 at the bottom of the filter box 14.

[0034] Referring to Figure 1 , Figure 2 and Figure 5 , the cleaning mechanism 2 comprises a shell 201, the shell 201 is installed at the front end of the air inlet pipe 26, the inner wall of the shell 201 is provided with an adsorption layer 202, the rear end of the shell 201 is provided with a positioning ring 203, the inner side of the positioning ring 203 is rotatably connected with a connecting shaft 204, the rear end of the connecting shaft 204 is fixedly connected with a fan blade 205, the outer wall of the connecting shaft 204 is fixedly connected with a rotating shaft 208, the outer wall of the rotating shaft 208 is fixedly connected with a scraper 206 at equal intervals, the front end of the shell 201 is provided with a fence 207, the internal adsorption layer 202 is usually blocked by impurities, and the cylinder wall is also prone to carbon deposition and impurity adhesion, the tail gas passing through the adsorption layer 202 can drive the fan blade 205 to rotate, and the fan blade 205 drives the scraper 206 to rotate, the scraper 206 can scrape off the carbon deposition and impurities on the surface of the adsorption layer 202, the outer wall of the front side of the engine 3 is fixedly connected with a limiting plate 6, the outer wall of the limiting plate 6 is rotatably connected with a bolt 7, the bottom of the limiting plate 6 is provided with a gasket 8, the bottom of the gasket 8 is provided with a mounting plate 9, and the bolt 7 fixes the engine 3 on the base platform 1.

[0035] Specifically, the shell 201 is installed at the front end of the air inlet pipe 26, the inner wall of the shell 201 is provided with the adsorption layer 202, the rear end of the shell 201 is provided with the positioning ring 203, the inner side of the positioning ring 203 is rotatably connected with the connecting shaft 204, the rear end of the connecting shaft 204 is fixedly connected with the fan blade 205, the outer wall of the connecting shaft 204 is fixedly connected with the rotating shaft 208, the outer wall of the rotating shaft 208 is equidistantly fixedly connected with the scraper 206, the front end of the shell 201 is provided with the baffle 207, the adsorption layer 202 in the inside is usually blocked by impurities, and the barrel wall is also prone to carbon deposition and impurity adhesion. The tail gas passing through the adsorption layer 202 can drive the fan blade 205 to rotate, and the fan blade 205 drives the scraper 206 to rotate, and the scraper 206 can scrape off the carbon deposition and impurities on the surface of the adsorption layer 202.

[0036] With reference to Figure 1 , Figure 2 and Figure 3 , the tail end of the adapter pipe 11 is communicated with the air extraction pipe 27, the tail end of the air extraction pipe 27 is communicated with the gas conveying pipe 10, the tail gas generated by the engine 3 reaches the air extraction pipe 27 through the adapter pipe 11, the air extraction pipe 27 conveys the tail gas to the gas conveying pipe 10, and the gas conveying pipe 10 transmits the tail gas to the cleaning mechanism 2. The tail gas passing through the adsorption layer 202 can drive the fan blade 205 to rotate, and the fan blade 205 drives the scraper 206 to rotate, and the scraper 206 can scrape off the carbon deposition and impurities on the surface of the adsorption layer 202. The two sides of the base platform 1 are both provided with the fixed rod 4, and the front and rear ends of the fixed rod 4 are both fixedly connected with the fixed sheet 5.

[0037] Specifically, the tail end of the adapter pipe 11 is communicated with the air extraction pipe 27, the tail end of the air extraction pipe 27 is communicated with the gas conveying pipe 10, the tail gas generated by the engine 3 reaches the air extraction pipe 27 through the adapter pipe 11, the air extraction pipe 27 conveys the tail gas to the gas conveying pipe 10, and the gas conveying pipe 10 transmits the tail gas to the cleaning mechanism 2. The tail gas passing through the adsorption layer 202 can drive the fan blade 205 to rotate, and the fan blade 205 drives the scraper 206 to rotate, and the scraper 206 can scrape off the carbon deposition and impurities on the surface of the adsorption layer 202.

[0038] Working principle: the top wall of the base platform 1 is provided with a base 25, the top of the base 25 is fixedly connected with four columns 13, the inner side of the column 13 is provided with a filter box 14, the inner wall of the filter box 14 is rotatably connected with a plurality of rolling brushes 21, the left and right ends of the rolling brush 21 are fixedly connected with a gear 16, the left side of the base 25 is provided with a fixed block 12, the top of the fixed block 12 is fixedly connected with a motor 15, the output end of the motor 15 is fixedly connected with a gear 16, the rear side of the rolling brush 21 is provided with a filter screen 20, the top of the filter box 14 is provided with a cover plate 19, the bottom of the cover plate 19 is provided with a water inlet pipe 17, the bottom of the water inlet pipe 17 is communicated with a plurality of spray heads 22, the rear side of the filter screen 20 is communicated with an exhaust pipe 18, the front side of the filter box 14 is communicated with an air inlet pipe 26, the air inlet pipe 26 is provided with a cleaning mechanism 2, the cleaning mechanism 2 is used for adsorbing and scraping off the adhered impurities, the inner bottom wall of the filter box 14 is provided with a water outlet hole 24, the outer side of the water outlet hole 24 is communicated with a drain pipe 23, the filter screen 20 is provided with a rolling brush 21 in front of the filter screen 20, the bottom of the cover plate 19 is provided with a water inlet pipe 17, the bottom of the water inlet pipe 17 is communicated with a plurality of spray heads 22, the spray heads 22 uniformly spray water on the filter screen 20 and the rolling brush 21, the motor 15 is started to rotate the rolling brush 21, and the rolling brush 21 can clean the filter screen 20, and the sewage is discharged from the drain pipe 23 at the bottom of the filter box 14;

[0039] The shell 201 is installed at the front end of the air inlet pipe 26, the inner wall of the shell 201 is provided with an adsorption layer 202, the rear end of the shell 201 is provided with a positioning ring 203, the inner side of the positioning ring 203 is rotatably connected with a connecting shaft 204, the rear end of the connecting shaft 204 is fixedly connected with a fan blade 205, the outer wall of the connecting shaft 204 is fixedly connected with a rotating shaft 208, the outer wall of the rotating shaft 208 is fixedly connected with a scraper 206 at equal intervals, the front end of the shell 201 is provided with a fence 207, the internal adsorption layer 202 is usually blocked by impurities, and the cylinder wall is also prone to carbon deposition and impurity adhesion, and the tail gas passing through the adsorption layer 202 can drive the fan blade 205 to rotate, and the fan blade 205 drives the scraper 206 to rotate, and the scraper 206 can scrape off the carbon deposition and impurities on the surface of the adsorption layer 202.

[0040] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A tail gas emission purification mechanism of a gas turbine unit, comprising a base platform (1), characterized in that: The top wall of the base platform (1) is provided with a base (25) on the rear side, four corners of the top of the base (25) are fixedly connected with a stand (13), the inner side of the upper part of the stand (13) is provided with a filter box (14), the inner wall of the upper part of the filter box (14) is rotatably connected with a plurality of roller brushes (21), the left and right ends of the roller brushes (21) are fixedly connected with a gear (16), the left side of the base (25) is provided with a fixed block (12), the top of the fixed block (12) is fixedly connected with a motor (15), the output end of the motor (15) is fixedly connected with a gear (16), the rear side of the roller brush (21) is provided with a filter screen (20), the top of the filter box (14) is provided with a cover plate (19), the bottom of the cover plate (19) is provided with a water inlet pipe (17), the bottom of the water inlet pipe (17) is communicated with a plurality of spray heads (22) at equal intervals, the rear side of the filter screen (20) is communicated with an exhaust pipe (18), the front side of the filter box (14) is communicated with an air inlet pipe (26), and the front end of the air inlet pipe (26) is provided with a cleaning mechanism (2).

2. The tail gas emission purification mechanism of a gas turbine unit according to claim 1, characterized in that: The cleaning mechanism (2) comprises an outer shell (201), the outer shell (201) is installed at the front end of the air inlet pipe (26), the inner wall of the outer shell (201) is provided with an adsorption layer (202), the rear end of the outer shell (201) is provided with a positioning ring (203), the inner side of the positioning ring (203) is rotatably connected with a connecting shaft (204), the rear end of the connecting shaft (204) is fixedly connected with a fan blade (205), the outer wall of the connecting shaft (204) is fixedly connected with a rotating shaft (208), the outer wall of the rotating shaft (208) is fixedly connected with a scraper (206) at equal intervals, and the front end of the outer shell (201) is provided with a fence plate (207).

3. The tail gas emission purification mechanism of a gas turbine unit according to claim 1, characterized in that: The inner bottom wall of the filter box (14) is provided with a water outlet hole (24), and the outer side of the water outlet hole (24) is communicated with a drain pipe (23).

4. The tail gas emission purification mechanism of a gas turbine unit according to claim 1, characterized in that: The top wall of the base platform (1) is provided with an engine (3) on the front side.

5. The tail gas emission purification mechanism of a gas turbine unit according to claim 4, characterized in that: The outer wall of the engine (3) is fixedly connected with a limiting plate (6) on the left side.

6. The tail gas emission purification mechanism of a gas turbine unit according to claim 5, characterized in that: The bottom of the limiting plate (6) is provided with a gasket (8), and the bottom of the gasket (8) is provided with a mounting plate (9).

7. The tail gas emission purification mechanism of a gas turbine unit according to claim 6, characterized in that: The distal end of the adapter pipe (11) is communicated with a suction pipe (27), and the distal end of the suction pipe (27) is communicated with a gas conveying pipe (10).

8. The tail gas emission purification mechanism of a gas turbine unit according to claim 1, characterized in that: Both sides of the base platform (1) are provided with a fixed rod (4), and the front and rear ends of the fixed rod (4) are fixedly connected with a fixed sheet (5).