CN210332045U

CN210332045U - Clean exhaust system of municipal waste innocent treatment tail gas

Info

Publication number: CN210332045U
Application number: CN201921032149.2U
Authority: CN
Inventors: 杨红便
Original assignee: Shenzhen Helong City Wisdom Service Co Ltd
Current assignee: Shenzhen Helong City Wisdom Service Co Ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-04-17
Anticipated expiration: 2029-07-03

Abstract

The utility model relates to a rubbish innocent treatment technical field aims at providing a clean exhaust system of municipal waste innocent treatment tail gas, and its technical scheme main points are: including the frame, set up the pyrolysis gasification device body in the frame, be provided with the tail gas export on the pyrolysis gasification device body, the tail gas exit is provided with the exhaust emission pipeline, the exhaust emission pipeline exit is provided with first draught fan, first draught fan is given vent to anger the end and is connected with a pulsed dust collector of straining, pulsed dust collector of straining outlet duct department is provided with the second draught fan, the second draught fan is given vent to anger the end and is connected with the active carbon adsorption tank who is arranged in adsorbing volatile pollutant in the desorption tail gas. The utility model has the advantages of safe and high-efficient, can effectively reduce pollutant content in the rubbish carbomorphism reaction tail gas.

Description

Clean exhaust system of municipal waste innocent treatment tail gas

Technical Field

The utility model relates to a rubbish innocent treatment technical field, in particular to municipal waste innocent treatment tail gas clean-exhaust system.

Background

The municipal refuse belongs to solid waste, the solid waste treatment generally refers to the process of converting the solid waste into the solid waste suitable for transportation, storage and utilization by physical, chemical, biological, physical and chemical methods, and the treatment aim is to achieve harmlessness, reduction and recycling. At present, solid garbage is treated mainly by methods including compaction, crushing, sorting, solidification, incineration, pyrolysis, biological treatment and the like.

Chinese patent No. CN205746867U discloses a harmless pyrolysis and gasification treatment device for domestic garbage, which comprises a pyrolysis and gasification device body, wherein the pyrolysis and gasification device body is provided with a pyrolysis chamber, a comprehensive combustion chamber and a smoke discharge system, and the comprehensive combustion chamber is arranged between the pyrolysis chamber and the smoke discharge system and is communicated with the pyrolysis chamber and the smoke discharge system; the comprehensive combustion chamber is internally provided with a combustion chamber auxiliary burner, a comprehensive burner and a multi-gas flow distribution block, the combustion chamber auxiliary burner is arranged above the comprehensive burner, and the multi-gas flow distribution block is communicated with the pyrolysis bin and the comprehensive burner. The smoke outlet system is provided with a chimney, a smoke outlet and a dust removal port, the smoke outlet is of a conical tube structure, the outer diameter of the upper portion of the smoke outlet is larger than that of the lower portion of the smoke outlet, the chimney is arranged above the smoke outlet, and the dust removal port is arranged on the outer wall of the lower portion of the smoke outlet.

Although the gas combustion is promoted by the low-temperature thermal decomposition gasification and the combustion chamber auxiliary burner in the prior art, the gas toxicity and the dust content after the garbage is combusted and sintered are reduced, in the actual use process, due to the fact that the garbage is various in types and complex in components, and due to the fact that the combustion is uneven in the combustion process, organic pollutants and dust are still left in tail gas generated after the combustion is finished, and the atmosphere is polluted. Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a clean exhaust system of municipal waste innocent treatment tail gas has safe high-efficient, can effectively reduce the advantage of pollutant content in the rubbish carbomorphism reaction tail gas.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a clean discharge system of municipal waste innocent treatment tail gas, includes the frame, sets up the pyrolysis gasification device body in the frame, be provided with the tail gas export on the pyrolysis gasification device body, the tail gas exit is provided with the tail gas discharge pipeline, tail gas discharge pipeline exit is provided with first draught fan, first draught fan is given vent to anger the end and is connected with a pulsed cartridge filter, pulsed cartridge filter outlet duct department is provided with the second draught fan, the second draught fan is given vent to anger the end and is connected with the active carbon adsorption tank who is arranged in adsorbing volatile pollutant in the desorption tail gas.

By adopting the technical scheme, the pulse type filter cylinder dust remover can remove and collect smoke dust particles in the tail gas, thereby reducing the dust pollution when the tail gas is discharged; although most of organic matters and harmful substances are burnt and consumed after the carbonization treatment of the garbage, the carbonization reaction is limited by the combustion environment, so that the combustion reaction is insufficient, and therefore, part of organic pollutants and some nitrogen-containing compounds possibly remain in the tail gas, and the activated carbon adsorption tank is arranged, so that the pollutants remaining in the tail gas can be effectively adsorbed, and the effect of purifying the tail gas is achieved.

Further, activated carbon adsorption jar lateral wall top is provided with the tail gas import pipe, activated carbon adsorption tank bottom is provided with the purification gas outlet pipe, the end of giving vent to anger of second draught fan communicates with the tail gas import pipe.

Through adopting above-mentioned technical scheme, the second draught fan further provides the power of tail gas circulation, can advance the tail gas import pipe at activated carbon adsorption tank top with more smooth and easy suction of tail gas to purify through activated carbon adsorption, thereby can discharge through purifying gas outlet pipe.

Furthermore, the inside below of active carbon adsorption jar is provided with the support plectane, many through-holes have been seted up on the support plectane surface, the aperture of through-hole is less than the diameter of active porcelain ball and active carbon granule, support plectane top is provided with active porcelain ball filling layer, active porcelain ball filling layer top is provided with the active carbon adsorption layer.

By adopting the technical scheme, the supporting circular plate provided with the through hole can ensure that the purified tail gas can smoothly circulate and be discharged out of the activated carbon adsorption tank; on the other hand, the aperture of the through hole is smaller than the diameters of the active ceramic ball and the active carbon particles, so that the active ceramic ball filling layer and the active carbon adsorption layer can be supported, and the active ceramic ball and the active carbon particles are prevented from falling from the through hole.

Furthermore, support the plectane bottom surface and evenly be provided with a plurality of support otic placodes along circumference, it is a plurality of support otic placode will support plectane welded fastening in activated carbon adsorption jar inner wall.

Through adopting above-mentioned technical scheme, support the otic placode and can increase the area of supporting the plectane bottom welding point to can be more convenient firm with supporting plectane welded fastening in activated carbon tank internal side wall.

Further, activated carbon adsorption layer top is provided with tail gas import distributor, tail gas import distributor is responsible for, a plurality of distribution branch pipe including distributing, the distribution is responsible for one end and tail gas import intercommunication, the other end that the distribution was responsible for is the cecum, and is a plurality of the distribution branch pipe perpendicular to distributes and is responsible for the setting and be responsible for inside intercommunication with the distribution, the distribution is responsible for, a plurality of air nozzles have been seted up on the distribution branch pipe surface.

Through adopting above-mentioned technical scheme, tail gas gets into the tail gas import distributor after, is responsible for, the distribution branch pipe through the distribution, evenly spouts out from the air nozzle that the distribution is responsible for, is distributed the branch pipe surface at last, makes more even the passing through active carbon adsorption layer of tail gas like this to reach the effect that improves tail gas and adsorbed purification homogeneity.

Furthermore, the end parts of the distribution main pipe and the distribution branch pipes are provided with fixing ring pipes, the diameter of each fixing ring pipe is equal to the length of the distribution main pipe, and the fixing ring pipes are fixedly connected with the inner side walls of the activated carbon adsorption tanks.

Through adopting above-mentioned technical scheme, fixed ring canal can be responsible for the distribution and distribute the branch pipe and connect in an organic whole to be responsible for the distribution, distribute the more firm welded fastening in activated carbon adsorption jar inner wall of branch pipe, increased the stability of tail gas import distributor.

Further, the bottom of the purified gas outlet pipe is provided with a condensation discharge port.

Through adopting above-mentioned technical scheme, can regularly discharge the hydrops in the activated carbon adsorption jar through arranging the mouth of congealing to reduce the circulation resistance of tail gas when jar circulation, and reduce the effect of equipment operation energy consumption.

Further, be provided with the spark arrester of admitting air between tail gas export and the first draught fan inlet end, it is provided with the spark arrester of giving vent to anger to purify gas outlet pipe department.

Through adopting above-mentioned technical scheme, still can remain some organic volatile substance in the tail gas after the rubbish carbomorphism is handled, these materials take place the burning easily under high temperature, set up the spark arrester and can reduce the probability that the tail gas burns to improve the security of equipment operation.

To sum up, the utility model discloses following beneficial effect has:

1. the pulse type filter drum dust remover is arranged at the tail gas outlet, so that smoke dust particles in the tail gas can be removed and collected, and the effect of reducing the pollution to the environment when the tail gas is discharged is achieved;

2. through setting up the active carbon adsorption jar, remaining organic pollutant in can the effective absorption tail gas plays the effect of further purifying the tail gas environmental protection.

Drawings

FIG. 1 is an overall schematic diagram of a clean exhaust system for harmless treatment of tail gas of municipal refuse in the embodiment;

FIG. 2 is a side view of an embodiment of the present invention showing the connection of a pulse type filter cartridge dust collector to an activated carbon adsorption tank;

FIG. 3 is a sectional view showing the internal structure of an activated carbon adsorption tank in the embodiment;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;

FIG. 5 is a schematic structural diagram of a tail gas inlet distributor embodied in the embodiment.

In the figure, 1, a frame; 2. a pyrolysis gasification device body; 21. a tail gas outlet; 22. a tail gas discharge pipeline; 3. a first induced draft fan; 4. an air intake flame arrestor; 5. a pulse type filter cartridge dust remover; 6. a second induced draft fan; 7. an activated carbon adsorption tank; 71. a tail gas inlet pipe; 72. a purified gas outlet pipe; 721. a condensate draining port; 8. an air-out flame arrester; 9. a supporting circular plate; 91. a through hole; 10. a support ear plate; 11. an active ceramic ball filling layer; 12. an activated carbon adsorption layer; 13. a tail gas inlet distributor; 131. a distribution main pipe; 132. distributing branch pipes; 133. a fixed ring pipe; 14. an air nozzle.

Detailed Description

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

Example (b):

the utility model provides a clean discharge system of municipal refuse innocent treatment tail gas, as shown in figure 1, which comprises a frame 1, be provided with pyrolysis gasification device body 2 in the frame 1, be provided with tail gas outlet 21 on the pyrolysis gasification device body 2, be provided with tail gas discharge pipeline 22 in tail gas outlet 21 department, be provided with first draught fan 3 in tail gas discharge pipeline 22 exit, be provided with air intake flame arrester 4 between tail gas outlet 21 and the 3 inlet end of first draught fan, first draught fan 3 gives vent to anger the end and is connected with pulsed cartridge dust remover 5, introduce pulsed cartridge dust remover 5 with the tail gas in the pyrolysis gasification device body 2 through first draught fan 3, smoke and dust granule desorption and collection in the tail gas, thereby the pollution degree to the environment when having reduced tail gas emission.

As shown in fig. 1 and fig. 2, a second induced draft fan 6 is arranged at the outlet pipe of the pulse type filter cartridge dust collector 5, the outlet end of the second induced draft fan 6 is connected with an activated carbon adsorption tank 7 for adsorbing and removing volatile pollutants in the tail gas, a tail gas inlet pipe 71 is arranged at the top of the side wall of the activated carbon adsorption tank 7, the outlet end of the second induced draft fan 6 is communicated with the tail gas inlet pipe 71, a purified gas outlet pipe 72 is arranged at the bottom of the activated carbon adsorption tank 7, a gas outlet flame arrester 8 is arranged at the position of the purified gas outlet pipe 72, a condensation discharge port 721 is arranged at the bottom of the purified gas outlet pipe 72, and effusion in the activated carbon adsorption tank 7 can be regularly discharged through the condensation discharge port 721, so that the circulation resistance of the tail gas in.

As shown in fig. 3 and 4, a supporting circular plate 9 is disposed below the inside of the activated carbon adsorption tank 7, a plurality of supporting ear plates 10 are uniformly disposed on the bottom surface of the supporting circular plate 9 along the circumferential direction, and the supporting circular plate 9 is welded and fixed to the inner side wall of the activated carbon adsorption tank 7 by the plurality of supporting ear plates 10.

As shown in fig. 3 and 4, an activated ceramic ball filling layer 11 is disposed above the supporting circular plate 9, an activated carbon adsorption layer 12 is disposed above the activated ceramic ball filling layer 11, a plurality of through holes 91 are disposed on the surface of the supporting circular plate 9, and the exhaust gas can flow through the through holes 91 after passing through the activated carbon adsorption layer 12 and the activated ceramic ball filling layer 11, and is discharged from the purified gas outlet pipe 72. The aperture of the through hole 91 is smaller than the diameters of the activated ceramic balls and the activated carbon particles, so that the activated ceramic balls and the activated carbon particles can be prevented from falling from the through hole 91, and the effect of stably supporting the activated ceramic ball filling layer 11 and the activated carbon adsorption layer 12 is achieved.

As shown in fig. 3 and 5, a tail gas inlet distributor 13 is disposed above the activated carbon adsorption layer 12, the tail gas inlet distributor 13 includes a distribution main pipe 131 and a plurality of distribution branch pipes 132, the distribution main pipe 131 and the distribution branch pipes 132 are provided with fixing rings 133 at ends thereof, the diameter of the fixing rings 133 is equal to the length of the distribution main pipe 131, and the fixing rings 133 are fixedly connected to the inner side wall of the activated carbon adsorption tank 7. One end of the main distribution pipe 131 is communicated with the tail gas inlet, the other end of the main distribution pipe 131 is a blind end, the plurality of branch distribution pipes 132 are perpendicular to the main distribution pipe 131 and are communicated with the inside of the main distribution pipe 131, and the surfaces of the main distribution pipe 131 and the branch distribution pipes 132 are provided with a plurality of gas nozzles 14 for uniformly spraying tail gas.

The specific implementation process comprises the following steps:

start first draught fan 3 with tail gas from tail gas export 21 through the spark arrester 4 that admits air and introduce in the pulsed cartridge dust remover 5, through pulsed cartridge dust remover 5 with the smoke and dust particulate matter desorption and the collection in the tail gas, because the tail gas temperature is higher, still can remaining some organic volatile substance in the tail gas after the rubbish carbomorphism is handled simultaneously, these materials take place the burning easily under high temperature, set up the probability that the spark arrester can reduce the tail gas burning to improve equipment operation's security.

The tail gas after the dust removal is introduced into the tail gas inlet distributor 13 through the second draught fan 6 and is evenly sprayed to the inside of the active carbon adsorption tank 7, the tail gas is adsorbed and filtered through the active carbon adsorption layer 12, residual volatile substances in the tail gas can be adsorbed and removed, and the purified tail gas is discharged through the purified gas outlet pipe 72, so that the pollution of the tail gas to the atmosphere is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a clean exhaust system of municipal refuse innocent treatment tail gas, includes frame (1), sets up pyrolysis gasification device body (2) in frame (1), be provided with tail gas export (21) on pyrolysis gasification device body (2), its characterized in that: the utility model discloses a flue gas purification device, including tail gas outlet (21), tail gas outlet (22) exit is provided with first draught fan (3), first draught fan (3) are given vent to anger the end and are connected with pulsed cartridge filter (5), pulsed cartridge filter (5) outlet duct department is provided with second draught fan (6), second draught fan (6) are given vent to anger the end and are connected with activated carbon adsorption tank (7) that are arranged in adsorbing volatile pollutant in the desorption tail gas.

2. The clean exhaust system for harmless treatment of municipal waste according to claim 1, characterized in that: activated carbon adsorption jar (7) lateral wall top is provided with tail gas import pipe (71), activated carbon adsorption jar (7) bottom is provided with purified gas outlet pipe (72), the end of giving vent to anger of second draught fan (6) communicates with tail gas import pipe (71).

3. The clean exhaust system for harmless treatment of municipal waste according to claim 2, characterized in that: activated carbon adsorption jar (7) inside below is provided with support plectane (9), many through-holes (91) have been seted up on support plectane (9) surface, the aperture of through-hole (91) is less than the diameter of active porcelain ball and active carbon granule, support plectane (9) top is provided with active porcelain ball filling layer (11), active porcelain ball filling layer (11) top is provided with active carbon adsorption layer (12).

4. The clean exhaust system for harmless treatment of municipal waste according to claim 3, characterized in that: support plectane (9) bottom surface and evenly be provided with a plurality of support otic placodes (10) along circumference, it is a plurality of support otic placode (10) will support plectane (9) welded fastening in activated carbon adsorption jar (7) inside wall.

5. The clean exhaust system for harmless treatment of municipal waste according to claim 3, characterized in that: activated carbon adsorption layer (12) top is provided with tail gas import distributor (13), tail gas import distributor (13) are responsible for (131), a plurality of branch pipe (132) of distributing including distributing, the distribution is responsible for (131) one end and tail gas import intercommunication, the distribution is responsible for the other end of (131) and is a blind end, and is a plurality of branch pipe (132) of distributing the perpendicular to distributes and is responsible for (131) setting and is responsible for (131) inside intercommunication with the distribution, distribute and be responsible for (131), distribute branch pipe (132) surface and seted up a plurality of air nozzles (14).

6. The clean exhaust system for harmless treatment of municipal waste according to claim 5, characterized in that: the end parts of the distribution main pipe (131) and the distribution branch pipes (132) are provided with fixed ring pipes (133), the diameter of each fixed ring pipe (133) is equal to the length of the distribution main pipe (131), and the fixed ring pipes (133) are fixedly connected with the inner side wall of the activated carbon adsorption tank (7).

7. The clean exhaust system for harmless treatment of municipal waste according to claim 3, characterized in that: and a condensation discharge port (721) is arranged at the bottom of the purified gas outlet pipe (72).

8. The clean exhaust system for harmless treatment of municipal waste according to claim 3, characterized in that: be provided with into gas flame arrester (4) between tail gas export (21) and first draught fan (3) inlet end, purified gas outlet pipe (72) department is provided with fire arrester (8) of giving vent to anger.