CN214581142U

CN214581142U - Waste gas catalytic combustion device

Info

Publication number: CN214581142U
Application number: CN202120694938.3U
Authority: CN
Inventors: 吴海燕
Original assignee: Shanghai Xingdong Environmental Protection Technology Co ltd
Current assignee: Shanghai Xingdong Environmental Protection Technology Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-02
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a waste gas catalytic combustion device, including preheating cabinet and rose box, the right side fixed mounting of preheating cabinet inner chamber has catalytic combustion ware, the left end fixedly connected with preheating cylinder of preheating cabinet inner chamber, the inboard of preheating cylinder bonds there is the insulating layer, the inboard of insulating layer bonds there is the heat preservation, the inner chamber fixedly connected with heat exchange tube of preheating cylinder, and the bottom intercommunication of pipeline and catalytic combustion ware is passed through to the bottom of heat exchange tube, the right side fixedly connected with breather plate of preheating cabinet inner chamber, the left side fixed mounting of breather plate has dispersion shower nozzle, the right-hand member fixed mounting at preheating cabinet top has the fan. The utility model discloses a fan, heat exchange tube, aeration panel, dispersion shower nozzle, insulating layer, heat preservation and a preheating section of thick bamboo's effect has solved current exhaust gas catalytic combustion device and has had the higher condition of power consumption, has improved the use cost of producer, has restricted the problem of its development and popularization.

Description

Waste gas catalytic combustion device

Technical Field

The utility model relates to a waste gas treatment technical field specifically is a waste gas catalytic combustion device.

Background

The waste gas purification mainly refers to the treatment of industrial waste gas generated in industrial places, such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas. Common waste gas purification includes factory smoke waste gas purification, workshop dust waste gas purification, organic waste gas purification, waste gas peculiar smell purification, acid-base waste gas purification, chemical waste gas purification and the like. Catalytic combustion is a common means in the field of waste gas treatment, belongs to a thermal destruction method, and has the mechanism of oxidizing, thermally cracking and thermally decomposing organic components in waste gas to convert the organic components into nontoxic substances, and a waste gas catalytic combustion device is needed during catalytic combustion.

The applicant finds that at least the following technical problems exist in the prior art: the existing exhaust gas catalytic combustion device has the condition of higher energy consumption, improves the use cost of manufacturers, and limits the development and popularization of the manufacturers, so that the exhaust gas catalytic combustion device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste gas catalytic combustion device possesses energy-conserving advantage, has solved current waste gas catalytic combustion device and has had the higher condition of power consumption, has improved the use cost of producer, has restricted the problem of its development and popularization.

In order to achieve the above object, the utility model provides a following technical scheme: a catalytic combustion device for waste gas comprises a preheating box and a filter box, wherein a catalytic combustor is fixedly arranged on the right side of an inner cavity of the preheating box, a preheating cylinder is fixedly connected to the left end of the inner cavity of the preheating box, a heat insulation layer is bonded on the inner side of the preheating cylinder, a heat insulation layer is bonded on the inner side of the heat insulation layer, a heat exchange tube is fixedly connected to the inner cavity of the preheating cylinder, the bottom of the heat exchange tube is communicated with the bottom of the catalytic combustor through a pipeline, an air vent plate is fixedly connected to the right side of the inner cavity of the preheating cylinder, a dispersion spray nozzle is fixedly mounted on the left side of the air vent plate, a fan is fixedly mounted at the right end of the top of the preheating box, an active carbon filter layer and a partition plate are fixedly connected to the left end of the inner cavity of the filter box, a slotted hole is formed in the inner surface of the upper end of the partition plate, a water-air separation net layer is fixedly connected to the inner side of the slotted hole, a water through plate is fixedly connected to the right end of the top of the inner cavity of the filter box, the bottom fixed mounting who leads to the water board has the atomizer, the right-hand member fixed mounting at filter box top has the pump machine.

Preferably, the upper end of the left side of the preheating box is fixedly provided with a PLC controller, the left end of the top of the preheating box is communicated with an air inlet pipe, the bottom of the air inlet pipe is communicated with a heat exchange pipe, and meanwhile, the inner surface of the upper end of the air inlet pipe is movably connected with an electromagnetic valve.

Preferably, the air inlet end of the fan is communicated with the upper end of the right side of the catalytic combustor through a pipeline, and the air exhaust end of the fan is communicated with the vent plate through a pipeline.

Preferably, a communicating pipe is communicated between the upper end of the right side of the filter box and the middle end of the left side of the preheating box, the lower end of the right side of the filter box is communicated with a sewage discharge pipe, the inner surface of the sewage discharge pipe is movably connected with an electromagnetic valve, and the lower end of the left side of the filter box is communicated with an exhaust pipe.

Preferably, the liquid inlet end of the pump is communicated with a water inlet pipe through a pipeline, and the liquid outlet end of the pump is communicated with the right end of the top of the water passing plate through a pipeline.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. after the PLC controller opens the fan and the electromagnetic valve in the air inlet pipe, the waste gas enters the heat exchange pipe from the air inlet pipe and then is conveyed to the catalytic combustor by the pipeline for catalytic combustion, when the fan works, high-temperature gas generated by combustion can be conveyed into the ventilating plate and uniformly discharged by the dispersion spray heads, and energy can be prevented from being dissipated in the preheating cylinder under the matching of the heat insulation layer and the heat preservation layer, the discharged high-temperature gas can exchange heat of the low-temperature waste gas conveyed into the heat exchange pipe by the air inlet pipe to the maximum extent, thereby realizing the capability of preheating the waste gas in advance, avoiding the consumption of energy sources, achieving the aim of saving energy, through the effect of the above structure matching, the problem that the energy consumption of the existing waste gas catalytic combustion device is higher is solved, the use cost of a manufacturer is improved, and the development and popularization of the waste gas catalytic combustion device are limited.

2. The utility model discloses gas after the heat exchange gets into the rose box through communicating pipe after, open the pump machine through the PLC controller, can carry the cold water in the inlet pipe to the water board by atomizer discharge at the pump machine during operation, and then realize the ability of further cooling to high temperature waste gas, and can get rid of the particulate matter that does not fully burn in the waste gas, under the cooperation of water-gas separation stratum reticulare, realize behind the steam separation, through the cooperation of active carbon filter layer, the ability that waste gas filter effect is good has been realized, guarantee that the combustion gas accords with environmental protection standard.

Drawings

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

FIG. 2 is a schematic view of the heat exchange tube structure of the present invention;

fig. 3 is a schematic view of the structure of the preheating cylinder of the present invention.

In the figure: 1. a preheating box; 2. a breather plate; 3. dispersing the spray heads; 4. a heat exchange pipe; 5. a preheating cylinder; 6. a communicating pipe; 7. a blow-off pipe; 8. a filter box; 9. a partition plate; 10. an activated carbon filter layer; 11. an exhaust pipe; 12. a slot; 13. a water-gas separation mesh layer; 14. a water passing plate; 15. a pump machine; 16. an atomizing spray head; 17. a PLC controller; 18. an air inlet pipe; 19. a fan; 20. a catalytic combustor; 21. a thermal insulation layer; 22. and (7) an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The utility model discloses a preheating cabinet 1, breather plate 2, dispersion shower nozzle 3, heat exchange tube 4, preheating cylinder 5, communicating pipe 6, blow off pipe 7, rose box 8, baffle 9, activated carbon filter layer 10, blast pipe 11, slotted hole 12, water-gas separation stratum reticulare 13, water service board 14, pump machine 15, atomizer 16, PLC controller 17, intake pipe 18, fan 19, catalytic combustion ware 20, insulating layer 21 and heat preservation 22 part are the parts that general standard component or technical personnel in the field know, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a catalytic combustion device for waste gas comprises a preheating tank 1 and a filtering tank 8, wherein a catalytic burner 20 is fixedly installed on the right side of the inner cavity of the preheating tank 1, a preheating cylinder 5 is fixedly connected to the left end of the inner cavity of the preheating tank 1, a heat insulating layer 21 is bonded to the inner side of the preheating cylinder 5, a heat insulating layer 22 is bonded to the inner side of the heat insulating layer 21, a heat exchange tube 4 is fixedly connected to the inner cavity of the preheating cylinder 5, the bottom of the heat exchange tube 4 is communicated with the bottom of the catalytic burner 20 through a pipeline, a PLC controller 17 is fixedly installed at the upper end of the left side of the preheating tank 1, an air inlet tube 18 is communicated with the left end of the top of the preheating tank 1, the bottom of the air inlet tube 18 is communicated with the heat exchange tube 4, meanwhile, an electromagnetic valve is movably connected to the inner surface of the upper end of the air inlet tube 18, an air vent plate 2 is fixedly connected to the right side of the inner cavity of the preheating cylinder 5, a dispersion nozzle 3 is fixedly installed at the left side of the air vent plate 2, a fan 19 is fixedly installed at the right end of the top of the preheating box 1, the air inlet end of the fan 19 is communicated with the upper end of the right side of the catalytic combustor 20 through a pipeline, the air outlet end of the fan 19 is communicated with the vent plate 2 through a pipeline, after the fan 19 and an electromagnetic valve in the air inlet pipe 18 are opened through a PLC (programmable logic controller) 17, waste gas enters the heat exchange pipe 4 from the air inlet pipe 18, then the waste gas is conveyed into the catalytic combustor 20 through a pipeline for catalytic combustion, high-temperature gas generated by combustion can be conveyed into the vent plate 2 to be uniformly discharged through the dispersing spray heads 3 when the fan 19 works, energy can be prevented from being dissipated in the preheating cylinder 5 under the matching of the heat insulation layer 21 and the heat preservation layer 22, further, the discharged high-temperature gas can carry out heat exchange on low-temperature waste gas conveyed into the heat exchange pipe 4 by the air inlet pipe 18 to the greatest extent, the capability of preheating waste gas in advance is realized, and the energy consumption is avoided, the energy-saving purpose is achieved, a communicating pipe 6 is communicated between the upper end of the right side of the filter box 8 and the middle end of the left side of the preheating box 1, the lower end of the right side of the filter box 8 is communicated with a sewage discharge pipe 7, the inner surface of the sewage discharge pipe 7 is movably connected with an electromagnetic valve, the lower end of the left side of the filter box 8 is communicated with an exhaust pipe 11, the left end of the inner cavity of the filter box 8 is fixedly connected with an activated carbon filter layer 10 and a partition plate 9, the inner surface of the upper end of the partition plate 9 is provided with a slotted hole 12, the inner side of the slotted hole 12 is fixedly connected with a water-vapor separation net layer 13, the right end of the top of the inner cavity of the filter box 8 is fixedly connected with a water passing plate 14, the bottom of the water passing plate 14 is fixedly provided with an atomization nozzle 16, the right end of the top of the filter box 8 is fixedly provided with a pump 15, the liquid outlet end of the pump 15 is communicated with the right end of the top of the water passing plate 14 through a pipeline, after heat exchange, after the gas enters the filter box 8 through the communicating pipe 6, open pump machine 15 through PLC controller 17, can carry the cold water in the inlet pipe to lead to the water board 14 in by atomizer 16 discharge at pump machine 15 during operation, and then realize the ability of further cooling to high temperature waste gas, and can get rid of the particulate matter that does not have abundant burning in the waste gas, under the cooperation of water-gas separation stratum reticulare 13, realize the steam separation back, through the cooperation of active carbon filter layer 10, the ability that the waste gas filter effect is good has been realized, guarantee that the combustion gas accords with environmental protection standard.

When in use, after the electromagnetic valves in the fan 19 and the air inlet pipe 18 are opened by the PLC 17, the waste gas enters the heat exchange pipe 4 from the air inlet pipe 18, then the waste gas is conveyed to the catalytic combustor 20 by a pipeline for catalytic combustion, when the fan 19 works, the high-temperature gas generated by combustion can be conveyed to the ventilating plate 2 and uniformly discharged by the dispersion spray heads 3, and under the cooperation of the heat insulation layer 21 and the heat preservation layer 22, the energy can be prevented from being dissipated in the preheating cylinder 5, and further the discharged high-temperature gas can carry out heat exchange on the low-temperature waste gas conveyed into the heat exchange pipe 4 by the air inlet pipe 18 to the maximum extent, thereby realizing the capability of preheating the waste gas in advance, avoiding the consumption of energy and achieving the purpose of energy saving, and by the cooperation of the above structures, the condition that the energy consumption of the existing waste gas catalytic combustion device is higher is solved, the use cost of manufacturers is improved, and the development and popularization problems are limited, after gas after the heat exchange enters the filter box 8 through the communicating pipe 6, the pump 15 is opened through the PLC 17, cold water in a water inlet pipe can be conveyed to the water passing plate 14 to be discharged by the atomizing spray head 16 when the pump 15 works, further cooling capacity is realized on high-temperature waste gas, particles which are not fully combusted in the waste gas can be removed, water-gas separation mesh layer 13 is matched, water-vapor separation is realized, and the capacity of good waste gas filtering effect is realized through the matching of the activated carbon filter layer 10, so that discharged gas is ensured to accord with environmental protection standard.

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

Claims

1. An exhaust gas catalytic combustion device, includes preheating tank (1) and rose box (8), its characterized in that: the catalytic combustor (20) is fixedly arranged on the right side of the inner cavity of the preheating box (1), the preheating cylinder (5) is fixedly connected to the left end of the inner cavity of the preheating box (1), a heat insulation layer (21) is bonded to the inner side of the preheating cylinder (5), a heat insulation layer (22) is bonded to the inner side of the heat insulation layer (21), a heat exchange tube (4) is fixedly connected to the inner cavity of the preheating cylinder (5), the bottom of the heat exchange tube (4) is communicated with the bottom of the catalytic combustor (20) through a pipeline, an air vent plate (2) is fixedly connected to the right side of the inner cavity of the preheating cylinder (5), a dispersion sprayer (3) is fixedly arranged on the left side of the air vent plate (2), a fan (19) is fixedly arranged at the right end of the top of the preheating box (1), an active carbon filter layer (10) and a partition plate (9) are fixedly connected to the left end of the inner cavity of the filter box (8), a slotted hole (12) is formed in the inner surface of the upper end of the partition plate (9), the inner side of the slotted hole (12) is fixedly connected with a water-gas separation net layer (13), the right end of the top of the inner cavity of the filter box (8) is fixedly connected with a water passing plate (14), the bottom of the water passing plate (14) is fixedly provided with an atomizing nozzle (16), and the right end of the top of the filter box (8) is fixedly provided with a pump (15).

2. An exhaust gas catalytic combustion apparatus as set forth in claim 1, wherein: the preheating cabinet is characterized in that a PLC (programmable logic controller) 17 is fixedly mounted at the upper end of the left side of the preheating cabinet (1), the left end of the top of the preheating cabinet (1) is communicated with an air inlet pipe (18), the bottom of the air inlet pipe (18) is communicated with a heat exchange pipe (4), and meanwhile, an electromagnetic valve is movably connected to the inner surface of the upper end of the air inlet pipe (18).

3. An exhaust gas catalytic combustion apparatus as set forth in claim 1, wherein: the air inlet end of the fan (19) is communicated with the upper end of the right side of the catalytic combustor (20) through a pipeline, and the exhaust end of the fan (19) is communicated with the vent plate (2) through a pipeline.

4. An exhaust gas catalytic combustion apparatus as set forth in claim 1, wherein: the preheating device is characterized in that a communicating pipe (6) is communicated between the upper end of the right side of the filtering box (8) and the middle end of the left side of the preheating box (1), a blow-off pipe (7) is communicated with the lower end of the right side of the filtering box (8), the electromagnetic valve is movably connected to the inner surface of the blow-off pipe (7), and an exhaust pipe (11) is communicated with the lower end of the left side of the filtering box (8).

5. An exhaust gas catalytic combustion apparatus as set forth in claim 1, wherein: the liquid inlet end of the pump (15) is communicated with a water inlet pipe through a pipeline, and the liquid outlet end of the pump (15) is communicated with the right end of the top of the water passing plate (14) through a pipeline.