CN211474216U

CN211474216U - Tail gas purification device for diesel generating set

Info

Publication number: CN211474216U
Application number: CN202020102352.9U
Authority: CN
Inventors: 张福泉; 张继承
Original assignee: Xiamen Kangwo Electromechanical Equipment Co ltd
Current assignee: Xiamen Kangwo Electromechanical Equipment Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-09-11
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to a tail gas purification device for a diesel generating set, which comprises a smoke inlet pipe and a smoke exhaust pipe, wherein one end of the smoke inlet pipe, which is close to the smoke exhaust pipe, is communicated with a sleeve, one end of the sleeve, which is far away from the smoke inlet pipe, is communicated with the smoke exhaust pipe, and a purification component for purifying tail gas of the diesel generating set is arranged in the sleeve; the purification assembly comprises a base, a filter pipe and a top cover, wherein the base is arranged at one end, close to the smoke inlet pipe, of the sleeve, the base is communicated with the smoke inlet pipe, one side, far away from the smoke inlet pipe, of the base is communicated with the filter pipe, one end, far away from the base, of the filter pipe is connected with the top cover, and the top cover is communicated with the smoke exhaust pipe. The filter tube has three, set up the tail gas chamber in the base, three evenly set up on the base along the circumferencial direction filter tube, tail gas chamber intercommunication advances tobacco pipe and filter tube, three filter tubes are connected to the top cap. The utility model discloses have the tail gas that the during operation of purifying diesel generating set produced, the effect of convenient change and maintenance.

Description

Tail gas purification device for diesel generating set

Technical Field

The utility model belongs to the technical field of diesel generating set and specifically relates to a tail gas cleanup unit for diesel generating set is related to.

Background

At present, the super-silent diesel generating set of publication number CN208441926U, box internally mounted has diesel generating set, and the diesel generating set left side is provided with the air-out chamber, the air-out intracavity install the diesel engine muffler, and install first fan above the air-out chamber, diesel engine water tank and diesel generating set keep apart through the amortization interlayer, diesel engine water tank cools off alone through first fan, the radiating condition is good, simultaneously diesel generating set surface thermal radiation's heat is seen off from silence machine case air exit through the second fan, the design of the air inlet and outlet of silence machine case is less, thereby guarantee quick-witted case seal, and machine incasement portion is equipped with the amortization interlayer, before the second fan is arranged in to the diesel engine muffler, just in time can cool off the muffler, tail gas is discharged from the diesel generator.

When the existing diesel generator set works, diesel is combusted in a diesel engine to generate tail gas containing various harmful substances, the tail gas is directly discharged through a tail gas pipe of the diesel generator set, a large amount of harmful substances are discharged into the air, so that air pollution is caused, the defects that tail gas purification cannot be carried out, and the tail gas discharge is not environment-friendly are overcome.

SUMMERY OF THE UTILITY MODEL

The exhaust gas purification device for the diesel engine set can purify exhaust gas.

The above object of the present invention is achieved by the following technical solutions: a tail gas purification device for a diesel generating set comprises a smoke inlet pipe and a smoke exhaust pipe, wherein one end, close to the smoke exhaust pipe, of the smoke inlet pipe is communicated with a sleeve, one end, far away from the smoke inlet pipe, of the sleeve is communicated with the smoke exhaust pipe, and a purification assembly for purifying tail gas of the diesel generating set is arranged in the sleeve;

the purification assembly comprises a base, a filter pipe and a top cover, wherein the base is arranged at one end, close to the smoke inlet pipe, of the sleeve, the base is communicated with the smoke inlet pipe, one side, far away from the smoke inlet pipe, of the base is communicated with the filter pipe, one end, far away from the base, of the filter pipe is connected with the top cover, a smoke outlet penetrates through the center of the top cover, and the smoke outlet is connected with a smoke exhaust pipe.

Through adopting above-mentioned technical scheme, advance the tobacco pipe and be used for diesel engine during operation exhaust emissions's direction, the pipe of discharging fume is used for purifying the tail gas after discharging, the sleeve is used for installing purification subassembly and intercommunication gold tobacco pipe and the pipe of discharging fume, the base is used for installing and supports the filter tube, the filter tube is used for filtering tail gas, the top cap is arranged in sealing the filter tube and guarantees that tail gas is discharged after being purified by the filter tube from the filter tube, the outlet flue is used for purifying the discharge of the tail gas after, purification subassembly is used for purifying tail gas. In tail gas entered the sleeve through advancing the tobacco pipe, purification unit purified tail gas in the sleeve, and the harmful substance in the tail gas is adsorbed to the filter tube, and the tail gas after the purification discharges in the air through discharging fume the pipe

The present invention may be further configured in a preferred embodiment as: the filter tube has three, set up the tail gas chamber in the base, three evenly set up on the base along the circumferencial direction filter tube, tail gas chamber intercommunication advances tobacco pipe and filter tube, three filter tubes are connected to the top cap.

Through adopting above-mentioned technical scheme, the tail gas chamber is used for passing through of tail gas, and the filter tube is arranged in purifying tail gas, adsorbs harmful substance in the tail gas, and three filter tubes promote the harmful substance effect of absorption, reinforcing tail gas purification effect, and the top cap is used for sealing the filter tube and keeps away from base one end, prevents that tail gas from not being purified just discharge from the filter tube, promotes the purifying effect of tail gas.

The present invention may be further configured in a preferred embodiment as: the base is provided with a connecting pipe, one end of the filter pipe close to the base is provided with a connecting sleeve, and the connecting sleeve is arranged in the connecting pipe.

Through adopting above-mentioned technical scheme, the connecting pipe cooperatees with the adapter sleeve, connects base and filter tube, makes things convenient for the filter tube to dismantle from the base, and the filter tube of being convenient for maintenance and change guarantee the purifying effect of filter tube, promote tail gas purifying effect.

The present invention may be further configured in a preferred embodiment as: the top cover is provided with a sealing cover on one side far away from the smoke exhaust pipe, one end of the filter pipe close to the top cover is internally provided with a sealing sleeve, and the sealing cover is clamped in the sealing sleeve.

By adopting the technical scheme, the sealing cover is used for sealing the filter pipe, and the envelope is used for connecting the sealing cover; the closing cap blocks that tail gas from the filter tube and keeps away from base one end and spill, guarantees the filter effect, and the closure is connected the filter tube and is guaranteed the closure of filter tube and closing cap junction, prevents that tail gas from not leaking from the gap through purifying, promotes the tail gas purification effect of filter tube.

The present invention may be further configured in a preferred embodiment as: the filter tube is a cordierite ceramic tube.

Through adopting above-mentioned technical scheme, the cordierite possess good heat resistance, the thermal expansion rate is low, can not take place great deformation under the high temperature state, has avoided thermal expansion to lead to filter tube and base and top cap junction to produce the gap and influence purifying effect, promotes tail gas purifying effect.

The present invention may be further configured in a preferred embodiment as: the base is kept away from filter tube one side and is seted up the intercommunication mouth, be equipped with the extension pipe on the intercommunication mouth, the extension pipe is extended to keeping away from the filter tube direction by the intercommunication mouth edge and obtains.

Through adopting above-mentioned technical scheme, the intercommunication mouth is used for tail gas to get into the base, and the extension pipe is used for connecting into the tobacco pipe, and base demountable installation is in the sleeve, conveniently purifies the change of subassembly, guarantees the tail gas purifying effect who purifies the subassembly, promotes tail gas purification performance.

The present invention may be further configured in a preferred embodiment as: and a smoke check valve for preventing smoke from flowing backwards is arranged in the smoke exhaust pipe.

Through adopting above-mentioned technical scheme, the flue gas check valve is used for preventing that outside strong wind from pouring the flue gas into purifier in, guarantees the tail gas purifying effect of device.

The present invention may be further configured in a preferred embodiment as: the sleeve is close to the one end of discharging fume and is equipped with the cover, it has spacing hole to run through on the cover, discharge fume the spacing hole of tub intercommunication.

Through adopting above-mentioned technical scheme, the cover is used for controlling telescopic opening and sealing, and spacing hole is used for communicating the blast pipe, sets up the cover on the sleeve, makes things convenient for the maintenance and the change of purifying the subassembly in the sleeve.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the smoke inlet pipe guides unpurified tail gas into the purification assembly, the purification assembly adsorbs harmful substances in the tail gas to complete purification treatment of the tail gas, and then the tail gas is discharged through the smoke discharge pipe;

2. the smoke discharge pipe is internally provided with a smoke check valve to prevent the smoke from flowing backwards.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic diagram of the present embodiment for showing a connection relationship;

FIG. 3 is a schematic view of the purification assembly;

FIG. 4 is a schematic view of a smoke check valve;

FIG. 5 is an enlarged view at A in FIG. 2;

FIG. 6 is an enlarged view at B in FIG. 2;

fig. 7 is a schematic view showing the flow direction of the exhaust gas in this embodiment.

In the figure, 1, a smoke inlet pipe; 2. a sleeve; 3. a smoke exhaust pipe; 4. a cylinder cover; 5. a tail gas pipe; 6. a purification assembly; 7. a base; 8. a communication port; 9. an extension pipe; 10. a filter tube; 11. connecting sleeves; 12. a connecting pipe; 13. a cover; 14. sealing the cover; 15. a top cover; 16. a smoke outlet; 17. a baffle plate; 18. a blocking frame; 19. a rotating shaft; 20. a flue gas check valve; 21. a limiting hole; 22. tail gas cavity, 23, limiting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a tail gas purification device for diesel generating set, including advancing tobacco pipe 1 and discharging fume pipe 3, advance tobacco pipe 1 and keep away from 3 one end welding of discharging fume pipe and have the ring flange, advance tobacco pipe 1 flange joint diesel engine tail-gas pipe 5, advance tobacco pipe 1 and be close to 3 one ends of discharging fume pipe and be equipped with sleeve 2, threaded connection has cover 4 on sleeve 2, runs through spacing hole 21 on cover 4, and the pipe 3 setting of discharging fume is in spacing hole 21. Tail gas enters the smoke inlet pipe 1 from the tail gas pipe 5, the smoke inlet pipe guides the tail gas into the sleeve 2, and the inner wall of the cylinder cover 4 is attached to the smoke exhaust pipe 3 to ensure that the smoke is exhausted from the smoke exhaust pipe 3.

Referring to fig. 2 and 3, a purification assembly 6 is arranged in the sleeve 2, the purification assembly 6 comprises a base 7, three filter pipes 10 and a top cover 15, one side of the base 7 close to the discharge pipe 3 is conical, and the diameter of the base 7 is gradually increased along the direction close to the smoke inlet pipe 1; the base 7 is arranged in a hollow mode, a tail gas cavity 22 is formed inside the base 7, a limiting plate 23 is arranged on the base 7, the limiting plate 23 is obtained by extending the edge of one end, close to the smoke inlet pipe 1, of the base 7 in the radial direction, the base 7 is connected in the sleeve 2 in a threaded mode, and one surface, far away from the smoke exhaust pipe 3, of the sleeve 2 is attached to one surface, close to the smoke exhaust pipe 3, of the; the base 7 is communicated with the smoke inlet pipe 1 and the three filter pipes 10; one side of the base 7 close to the smoke inlet pipe 1 is provided with a communication port 8, the communication port 8 is provided with an extension pipe 9, the extension pipe 9 is obtained by extending from the edge of the communication port 8 to one end far away from the discharge pipe 3, and the smoke inlet pipe 1 is in threaded connection with the extension pipe 9. The base 7 is connected with the smoke inlet pipe 1, the sleeve 2 and the filter pipe 10, tail gas enters the tail gas cavity 22 of the base 7 from the smoke inlet pipe 1, then enters the filter pipe 10 from the tail gas cavity 22, penetrates out of the filter pipe 10 to enter the sleeve 2, and finally is discharged from the smoke exhaust pipe 3.

Referring to fig. 2 and 3, one side of the top cover 15 close to the smoke exhaust pipe 3 is in a circular truncated cone shape, and the diameter of the top cover 15 gradually increases along the direction close to the smoke inlet pipe 1; a smoke outlet 16 penetrates through the center of the top cover 15, and the smoke exhaust pipe 3 is welded on the smoke outlet 16.

Referring to fig. 2 and 5, three connecting pipes 12 are welded on one side of the base 7 close to the smoke exhaust pipe 3, the connecting pipes 12 are evenly arranged on the base 7 along the circumferential direction of the base 7, connecting sleeves 11 are clamped at one ends of the three filter pipes 10 close to the base 7, and the connecting sleeves 11 are in threaded connection with the connecting pipes 12.

Referring to fig. 2 and 6, one end of each of the three filter tubes 10, which is far away from the base 7, is provided with a jacket 13, one side of the top cover 15, which is close to the filter tubes 10, is provided with a sealing cover 14, and the sealing cover 14 is clamped in the jacket 13; the filter pipe 10 is a cordierite ceramic filter pipe, and the surface of the filter pipe 10 is coated with a catalyst which purifies pollutants in the exhaust gas. When tail gas enters the filter pipe 10, the tail gas is blocked by the sealing cover 14 and can only be discharged outwards from the side wall of the filter pipe 10, harmful substances in the tail gas are adsorbed by the side wall of the filter pipe 10 when the tail gas passes through the side wall of the filter pipe 10, and the purified tail gas is discharged from the smoke discharge pipe 3.

Referring to fig. 2 and 4, a flue gas check valve 20 is arranged in the discharge pipe 3, the flue gas check valve 20 comprises a baffle 17, a rotating shaft 19 and a baffle frame 18, the baffle frame 18 is welded on the inner wall of the discharge pipe 3, the rotating shaft 19 is rotatably connected in the baffle frame 18, the baffle 17 is welded on the rotating shaft 19, the baffle 17 is arranged above the baffle frame 18, and the baffle frame 18 stops the baffle 17 from rotating downwards. When strong wind flows backward into the smoke exhaust pipe 3, the baffle 17 rotates downwards under the action of gravity, air pushes the baffle 17 to be attached to the baffle frame 18 when the strong wind flows backward, and the baffle 17 seals the smoke exhaust pipe 3 to prevent the airflow from flowing backward.

The working process of the embodiment is as follows: referring to fig. 7, the exhaust gas of the diesel engine enters the smoke inlet pipe 1 through the exhaust pipe 5, and then enters the filter pipe 10 from the smoke inlet pipe 1, harmful substances in the exhaust gas are adsorbed by the side wall of the filter pipe 10, and the exhaust gas penetrates out of the side wall of the filter pipe 10 and is discharged from the smoke exhaust pipe 3.

After a period of accumulation, the side wall of the filter pipe 10 accumulates excessive harmful substances, the cylinder cover 4 is opened, the top cover 15 is detached, the failed filter pipe 10 is screwed out, a new filter pipe 10 is replaced, and the purification of the tail gas is continued; when strong wind is met, the flue gas check valve 20 in the exhaust pipe 3 automatically seals the exhaust pipe 3 when strong wind flows backward, so that air is prevented from flowing backward into the sleeve 2.

The embodiments of the present invention are the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A tail gas purification device for a diesel generating set comprises a smoke inlet pipe (1) and a smoke exhaust pipe (3); the method is characterized in that: one end of the smoke inlet pipe (1), which is close to the smoke exhaust pipe (3), is communicated with a sleeve (2), one end of the sleeve (2), which is far away from the smoke inlet pipe (1), is communicated with the smoke exhaust pipe (3), and a purification assembly (6) for purifying tail gas of a diesel generator set is arranged in the sleeve (2);

purify subassembly (6) and include base (7), filter tube (10) and top cap (15), base (7) set up and are close to into tobacco pipe (1) one end in sleeve (2), tobacco pipe (1) is advanced in base (7) intercommunication, base (7) are kept away from and are advanced tobacco pipe (1) one side intercommunication filter tube (10), base (7) one end connection top cap (15) are kept away from in filter tube (10), top cap (15) center has run through smoke outlet (16), smoke outlet (16) are connected and are managed (3) of discharging fume.

2. The tail gas purification device for the diesel generating set according to claim 1, characterized in that: the filter tube (10) have three, seted up tail air cavity (22) in base (7), three filter tube (10) evenly set up on base (7) along the circumferencial direction, tail air cavity (22) intercommunication advances tobacco pipe (1) and filter tube (10), three filter tube (10) are connected in top cap (15).

3. The tail gas purification device for the diesel generating set according to claim 2, characterized in that: the filter is characterized in that a connecting pipe (12) is arranged on the base (7), a connecting sleeve (11) is arranged at one end, close to the base (7), of the filter pipe (10), and the connecting sleeve (11) is arranged in the connecting pipe (12).

4. The tail gas purification device for the diesel generating set according to claim 2, characterized in that: one side, far away from the smoke exhaust pipe (3), of the top cover (15) is provided with a sealing cover (14), one end, close to the top cover (15), of the filter pipe (10) is internally provided with a sealing sleeve (13), and the sealing cover (14) is clamped in the sealing sleeve (13).

5. The tail gas purification device for the diesel generating set according to claim 2, characterized in that: the filter tube (10) is a cordierite ceramic tube.

6. The tail gas purification device for the diesel generating set according to claim 2, characterized in that: the base (7) is kept away from one side of the filter pipe (10) and is provided with a communication opening (8), the communication opening (8) is provided with an extension pipe (9), and the extension pipe (9) is obtained by extending from the edge of the communication opening (8) to the direction of keeping away from the filter pipe (10).

7. The tail gas purification device for the diesel generating set according to claim 1, characterized in that: and a smoke check valve (20) for preventing smoke from flowing backwards is arranged in the smoke exhaust pipe (3).

8. The tail gas purification device for the diesel generating set according to claim 1, characterized in that: the sleeve (2) is close to one end of the smoke exhaust pipe (3) and is provided with a cylinder cover (4), a limiting hole (21) penetrates through the cylinder cover (4), and the smoke exhaust pipe (3) is communicated with the limiting hole (21).