CN216703943U

CN216703943U - Catalytic oxidation device for exhaust-gas treatment

Info

Publication number: CN216703943U
Application number: CN202122652823.0U
Authority: CN
Inventors: 王海洋; 谢云峰; 王进; 赵艳; 许东
Original assignee: Yung Chi Paint & Varnish Manufacturing (kunshan) Co ltd
Current assignee: Yung Chi Paint & Varnish Manufacturing (kunshan) Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-06-10
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a catalytic oxidation device for waste gas treatment, which comprises a catalytic equipment body, an air inlet pipeline and an exhaust pipeline, wherein the air inlet pipeline is arranged at the input end of the catalytic equipment body in a penetrating manner, the exhaust pipeline is arranged at the output end of the catalytic equipment body in a penetrating manner, a heating assembly is arranged in the air inlet pipeline, and a heat exchange assembly is arranged between the air inlet pipeline and the exhaust pipeline. According to the utility model, the heat is transferred to the discharge annular cavity through the conveying channel by using the air heater, and finally the heat is uniformly sprayed out through the spray holes, then the waste gas is contacted with the heat in the flowing process to realize preheating, so that the activity of substances in the waste gas is kept, and the waste gas is filtered by using the conical filter cylinder with the aid of the filter assembly, so that the influence of large impurities in the waste gas on the catalytic oxidation work is avoided, the gas is sprayed out through the penetrating cleaning holes in the conical spray cavity, the cleaning work of the conical filter cylinder is realized, and the filtering performance of the conical filter cylinder is kept.

Description

Catalytic oxidation device for exhaust-gas treatment

Technical Field

The utility model relates to the technical field related to waste gas treatment, in particular to a catalytic oxidation device for waste gas treatment.

Background

The waste gas refers to toxic and harmful gas discharged by human in the production and living processes, the smell of the discharged waste gas is large, the environment is seriously polluted, the human health is influenced, a large amount of waste gas is generated in the paint production, and the waste gas is discharged after being purified, so that the waste gas is purified by matching with a catalytic oxidation device, and the pollution caused by the large amount of discharged waste gas is avoided.

The prior art has the following defects: current catalytic oxidation device does not possess the function of preheating, can't keep the activity of impurity in the waste gas, has influenced whole purifying effect, and has increased the degree of difficulty of follow-up purification, and present catalytic oxidation device can not carry out quick filtration to impurity in the waste gas simultaneously, and does not possess self clean function for large-scale impurity in the waste gas gets into to cover in the catalytic oxidation device and leads to equipment life to reduce.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a catalytic oxidation apparatus for treating exhaust gas, which solves the above-mentioned problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a catalytic oxidation device for exhaust-gas treatment, includes catalytic unit body, admission line and exhaust duct, the admission line is worn to establish at catalytic unit body input, exhaust duct wears to establish at catalytic unit body output, install heating element in the admission line, install heat exchange assembly between admission line, the exhaust duct, admission line one side intercommunication has filtering component.

As a further preferred feature of the present technical solution, the heating assembly includes two air heaters, two discharge ring cavities and two conveying channels, the two air heaters are mounted on the upper surface and the lower surface of the air inlet duct through brackets, the discharge ring cavities are symmetrically and lockingly mounted at the top end and the bottom end in the air inlet duct, and two ends of the conveying channels are respectively communicated with the air heaters and the discharge ring cavities.

As a further preferred option of the technical solution, the surface of the discharge ring cavity is uniformly provided with a plurality of groups of spray holes, and the spray holes are communicated with the discharge ring cavity.

As a further preferred option of the technical scheme, the heat exchange assembly comprises two heat insulation sleeve cavities, a recovery pipeline and a bidirectional air pump, the two heat insulation sleeve cavities are sleeved outside the air inlet pipeline and the exhaust pipeline in a sealing manner, two ends of the recovery pipeline are communicated with the two heat insulation sleeve cavities respectively, and the bidirectional air pump is installed at the end of the recovery pipeline.

As a further preferred of this technical scheme, the heat preservation cotton is installed to heat preservation cover intracavity wall, the blast pipe is worn to be equipped with to heat preservation cover intracavity surface, and blast pipe end department installs the solenoid valve.

As a further preferred feature of the present technical solution, the filter assembly includes a filter box, a top cap, a bottom cap, a transfer pipeline, an air inlet pipe, a conical filter cartridge and a cleaning portion, the filter box is installed at one side of the air inlet pipeline through a bracket, the top cap is installed at the top of the filter box in a sealing and locking manner, the bottom cap is installed at the bottom of the filter box in a sealing and locking manner, the transfer pipeline penetrates through the bottom end of the side wall of the filter box, the conical filter cartridge is installed at the bottom end in the filter box in a sliding manner and is locked with the bottom cap, the conical filter cartridge is located above the air inlet pipe, and the cleaning portion is installed at the top end in the filter box.

As a further preferred of this technical scheme, clearance portion includes that the toper spouts chamber, sliding plate, two telescopic cylinder, flexible pipe and booster pump, sliding plate slidable mounting is on the top in the rose box, the closure of toper spouts the chamber and installs at the sliding plate lower surface, and the toper spouts the chamber lateral wall all around and evenly seted up the multiunit and run through the clearance hole, telescopic cylinder symmetry is installed in top cap lower surface both sides, and telescopic cylinder output and sliding plate transmission are connected, flexible pipe wears to establish on the top cap, and flexible pipe bottom and toper spout the chamber intercommunication, booster pump installs in flexible pipe end department.

The utility model provides a catalytic oxidation device for waste gas treatment, which has the following beneficial effects:

(1) according to the utility model, the heating assembly is arranged, the air heater is started, heat is transferred to the discharge ring cavity through the conveying channel, finally, the heat is uniformly sprayed out through the spray holes, then, the waste gas is contacted with the heat in the flowing process to realize preheating, the activity of substances in the waste gas is kept, and under the cooperation of the heat exchange assembly, the heat in the heat-insulating sleeve cavity outside the air inlet pipeline can be transferred to the heat-insulating sleeve cavity outside the air outlet pipeline through the bidirectional air pump, so that the heat in the two groups of heat-insulating sleeve cavities can be balanced according to the actual use requirement, and the subsequent purified gas can be subjected to heat insulation to carry out a lower-level purification process.

(2) According to the utility model, the filtering component is arranged, waste gas enters the filtering box and then contacts the conical filter cylinder for filtering, so that the preliminary filtering work of impurities in the waste gas is realized, the influence of large impurities in the waste gas on the catalytic oxidation work is avoided, and under the cooperation of the cleaning part, when a large amount of impurities are accumulated on the conical filter cylinder, the conical spray cavity is pushed to move downwards to be close to the conical filter cylinder, then, external gas is pressurized and conveyed into the conical spray cavity, the gas is sprayed out through the through cleaning hole on the conical spray cavity, so that the cleaning work of the conical filter cylinder is realized, and the condition that the filtering precision is poor due to the fact that a large amount of impurities are accumulated on the conical filter cylinder is avoided.

Drawings

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

FIG. 2 is a schematic view of the filter assembly of the present invention;

FIG. 3 is a schematic view of a heat exchange assembly according to the present invention;

FIG. 4 is a schematic view of the heating assembly of the present invention;

fig. 5 is a schematic view of a conical filter cartridge according to the present invention.

In the figure: 1. a catalytic device body; 2. an air intake duct; 3. an exhaust duct; 4. a heating assembly; 5. a heat exchange assembly; 6. a filter assembly; 7. a pressurization air pump; 8. an air heater; 9. a discharge ring cavity; 10. a delivery channel; 11. spraying a hole; 12. a heat-insulating sleeve cavity; 13. a recovery pipeline; 14. a bidirectional air pump; 15. an exhaust pipe; 16. a filter box; 17. a top cover; 18. a bottom cover; 19. a transfer conduit; 20. an air inlet pipe; 21. a conical filter cartridge; 22. a cleaning part; 23. a conical spray cavity; 24. a sliding plate; 25. a telescopic cylinder; 26. a flexible telescopic tube.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 5, the present invention provides the technical scheme: the utility model provides a catalytic oxidation device for exhaust-gas treatment, includes catalytic apparatus body 1, admission line 2 and exhaust duct 3, admission line 2 wears to establish at 1 input of catalytic apparatus body, exhaust duct 3 wears to establish at 1 output of catalytic apparatus body, install heating element 4 in the admission line 2, install heat exchange assembly 5 between admission line 2, the

exhaust duct

3, 2 one side intercommunications of admission line have filtering component 6.

In this embodiment, specifically: the heating assembly 4 comprises two air heaters 8, two discharge ring cavities 9 and two conveying channels 10, the two air heaters 8 are arranged on the upper surface and the lower surface of the air inlet pipeline 2 through a support, the discharge ring cavities 9 are symmetrically and lockingly arranged at the top end and the bottom end in the air inlet pipeline 2, two ends of each conveying channel 10 are communicated with the air heaters 8 and the discharge ring cavities 9 respectively, the air heaters 8 are started, heat is transferred to the discharge ring cavities 9 through the conveying channels 10, finally the heat is uniformly sprayed out through the spray holes 11, then the waste gas is contacted with the heat in the flowing process to realize preheating, and the activity of substances in the waste gas is kept.

In this embodiment, specifically: the surface of the discharge ring cavity 9 is uniformly provided with a plurality of groups of spray holes 11, and the spray holes 11 are communicated with the discharge ring cavity 9.

In this embodiment, specifically: the heat exchange assembly 5 comprises two heat insulation sleeve cavities 12, a recovery pipeline 13 and a bidirectional air pump 14, wherein the two heat insulation sleeve cavities 12 are hermetically sleeved outside the air inlet pipeline 2 and the air outlet pipeline 3, the two ends of the recovery pipeline 13 are communicated with the two heat insulation sleeve cavities 12 respectively, the bidirectional air pump 14 is installed at the end of the recovery pipeline 13, and heat in the external heat insulation sleeve cavities 12 of the air inlet pipeline 2 is transferred to the heat insulation sleeve cavities 12 outside the air outlet pipeline 3 through the bidirectional air pump 14, so that balance can be carried out in the two sets of heat insulation sleeve cavities 12 according to actual use requirements, and the heat insulation of subsequent purified gas is carried out to carry out a lower purification process.

In this embodiment, specifically: the heat preservation cotton is installed to heat preservation cover chamber 12 inner wall, exhaust pipe 15 is worn to be equipped with to heat preservation cover chamber 12 lower surface, and 15 end departments of exhaust pipe install the solenoid valve.

In this embodiment, specifically: the filter assembly 6 comprises a filter box 16 with an opening at the top and the bottom, a top cover 17, a bottom cover 18, a transfer pipeline 19, an air inlet pipe 20, a conical filter cylinder 21 and a cleaning part 22, the filter box 16 is installed at one side of the air inlet pipeline 2 in a locking way through a bracket, the top cover 17 is installed at the top of the filter box 16 in a sealing and locking way, the bottom cover 18 is hermetically locked at the bottom of the filter tank 16, the transfer pipeline 19 is arranged at the bottom end of the side wall of the filter tank 16 in a penetrating way, the tapered filter cartridge 21 is slidably mounted in the filter box 16 at the bottom end and is locked with the bottom cover 18, and the conical filter cylinder 21 is positioned above the air inlet pipe 20, the cleaning part 22 is arranged at the top end in the filter box 16, and the waste gas enters the filter box 16 and then contacts with the conical filter cylinder 21 to be filtered, so that the preliminary filtering work of impurities in the waste gas is realized, and the influence of large impurities in the waste gas on the catalytic oxidation work is avoided.

In this embodiment, specifically: the cleaning part 22 comprises a conical spray cavity 23, a sliding plate 24, two telescopic cylinders 25, flexible telescopic pipes 26 and a booster pump 7, the sliding plate 24 is slidably mounted at the top end in the filter box 16, the conical spray cavity 23 is mounted on the lower surface of the sliding plate 24 in a locking manner, multiple groups of through cleaning holes are uniformly formed in the peripheral side walls of the conical spray cavity 23, the telescopic cylinders 25 are symmetrically mounted on two sides of the lower surface of the top cover 17, the output ends of the telescopic cylinders 25 are in transmission connection with the sliding plate 24, the flexible telescopic pipes 26 are arranged on the top cover 17 in a penetrating manner, the bottoms of the flexible telescopic pipes 26 are communicated with the conical spray cavity 23, the booster pump 7 is mounted at the end of the flexible telescopic pipes 26, when a large amount of impurities are accumulated on the conical filter cylinder 21, the conical spray cavity 23 is pushed to move downwards to be close to the conical filter cylinder 21, then outside air is pressurized and conveyed into the conical spray cavity 23, and the air is sprayed out through the through cleaning holes in the conical spray cavity 23, so that the cleaning work of the conical filter cylinder 21 is cleaned, the condition that the filtering precision is poor due to the fact that a large amount of impurities are accumulated on the conical filter cylinder 21 is avoided.

The working principle is that when the catalytic device is used, waste gas is transmitted to the inside of the catalytic device body 1 by the air inlet pipeline 2 for catalytic oxidation, then purified gas is discharged through the exhaust pipeline 3 to realize rapid purification, the heating component 4 is arranged, the air heater 8 is installed on the air inlet pipeline 2, after the waste gas enters the air inlet pipeline 2, the air heater 8 is started to transmit heat to the discharge annular cavity 9 through the conveying channel 10, finally the heat is uniformly sprayed out through the spray holes 11, then the waste gas is contacted with the heat in the flowing process to realize preheating, the activity of substances in the waste gas is maintained, the integral purification precision is enhanced, in addition, under the matching of the heat exchange component 5, the heat insulation sleeve cavity 12 is correspondingly sleeved on the air inlet pipeline 2 and the outside of the exhaust pipeline 3 for external sealing, the heat is prevented from being greatly dissipated, and the heat in the purified waste gas is transmitted to the heat insulation sleeve cavity 12 outside the exhaust pipeline 3, then, the bidirectional air pump 14 is started, heat is recovered through the recovery pipeline 13 and is transferred to the heat-insulating sleeve cavity 12 outside the air inlet pipeline 2, so that heat is recycled, meanwhile, heat in the heat-insulating sleeve cavity 12 outside the air inlet pipeline 2 is transferred to the heat-insulating sleeve cavity 12 outside the air outlet pipeline 3 through the bidirectional air pump 14, so that balance can be carried out in the two groups of heat-insulating sleeve cavities 12 according to actual use requirements, subsequent purified gas can be subjected to heat insulation and a lower-level purification process, the air is convenient for workers to freely adjust and use, external waste gas is conveyed into the filter box 16 through the air inlet pipe 20, the waste gas enters the filter box 16 and then contacts with the conical filter cylinder 21 for filtering, primary filtering work of impurities in the waste gas is realized, influence of large impurities in the waste gas on catalytic oxidation work is avoided, and the cleanliness of the waste gas is maintained, and under the cooperation of clearance portion 22, after piling up a large amount of impurity on the conical filter cylinder 21, start telescopic cylinder 25, promote the toper and spout the chamber 23 and move down and be close to with the conical filter cylinder 21, later start pressure boost air pump 7, carry the internal air pressure boost of external world to the toper and spout the chamber 23, spout gas through the clearance hole that runs through on the toper spout chamber 23 and realized the cleaning work to the conical filter cylinder 21 self, avoid impurity to pile up the condition that leads to the filter fineness to be relatively poor on the conical filter cylinder 21 in a large number, kept the filtering quality of conical filter cylinder 21.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a catalytic oxidation device for exhaust-gas treatment, its characterized in that, includes catalytic unit body (1), admission line (2) and exhaust duct (3), admission line (2) are worn to establish at catalytic unit body (1) input, exhaust duct (3) are worn to establish at catalytic unit body (1) output, install heating element (4) in admission line (2), install heat exchange assemblies (5) between admission line (2), exhaust duct (3), admission line (2) one side intercommunication has filtering component (6).

2. The catalytic oxidation apparatus for treating exhaust gas according to claim 1, wherein: the heating assembly (4) comprises two air heaters (8), two discharge ring cavities (9) and two conveying channels (10), the two air heaters (8) are arranged on the upper surface and the lower surface of the air inlet pipeline (2) through supports, the discharge ring cavities (9) are symmetrically installed at the top end and the bottom end in the air inlet pipeline (2) in a locking mode, and two ends of the conveying channels (10) are communicated with the air heaters (8) and the discharge ring cavities (9) respectively.

3. The catalytic oxidation apparatus for treating exhaust gas according to claim 2, wherein: the surface of the discharge ring cavity (9) is uniformly provided with a plurality of groups of spray holes (11), and the spray holes (11) are communicated with the interior of the discharge ring cavity (9).

4. The catalytic oxidation apparatus for treating exhaust gas according to claim 1, wherein: the heat exchange assembly (5) comprises two heat insulation sleeve cavities (12), a recovery pipeline (13) and a bidirectional air pump (14), the two heat insulation sleeve cavities (12) are hermetically sleeved outside the air inlet pipeline (2) and the air exhaust pipeline (3), two ends of the recovery pipeline (13) are communicated with the two heat insulation sleeve cavities (12) respectively, and the bidirectional air pump (14) is installed at the end of the recovery pipeline (13).

5. The catalytic oxidation apparatus for treating exhaust gas according to claim 4, wherein: the heat preservation cotton is installed to heat preservation cover chamber (12) inner wall, exhaust pipe (15) are worn to be equipped with to heat preservation cover chamber (12) lower surface, and exhaust pipe (15) end department installs the solenoid valve.

6. The catalytic oxidation apparatus for treating exhaust gas according to claim 1, wherein: the filter assembly (6) comprises a filter box (16), a top cover (17), a bottom cover (18), a transfer pipeline (19), an air inlet pipe (20), a conical filter cartridge (21) and a cleaning part (22), wherein openings are formed in the top and the bottom of the filter assembly (6), the filter box (16) is installed on one side of the air inlet pipeline (2) in a locking mode through a support, the top cover (17) is installed on the top of the filter box (16) in a sealing mode, the bottom cover (18) is installed on the bottom of the filter box (16) in a sealing mode, the transfer pipeline (19) penetrates through the bottom end of the side wall of the filter box (16), the conical filter cartridge (21) is installed at the bottom end in the filter box (16) in a sliding mode and locked with the bottom cover (18), the conical filter cartridge (21) is located above the air inlet pipe (20), and the cleaning part (22) is installed at the top end in the filter box (16).

7. The catalytic oxidation apparatus for treating exhaust gas according to claim 6, wherein: cleaning portion (22) spouts chamber (23), sliding plate (24), two telescopic cylinder (25), flexible pipe (26) and booster pump (7) including the toper, sliding plate (24) slidable mounting is in rose box (16) top, the toper is spouted chamber (23) closure and is installed at sliding plate (24) lower surface, and the toper spouts chamber (23) lateral wall all around and evenly seted up the multiunit and run through the clearance hole, telescopic cylinder (25) symmetry is installed in top cap (17) lower surface both sides, and telescopic cylinder (25) output is connected with sliding plate (24) transmission, flexible pipe (26) are worn to establish on top cap (17), and flexible pipe (26) bottom spouts chamber (23) intercommunication with the toper, booster pump (7) are installed and are held in flexible pipe (26) end.