CN212584970U - Organic waste gas catalytic combustion equipment - Google Patents

Abstract

The utility model relates to an organic waste gas catalytic combustion device, which reduces the heat loss, improves the utilization rate of the heat generated by a heating device, and solves the problems of low temperature and high heat loss in the prior art; the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization, the utility model discloses waste gas to after the burning carries out waste heat recovery and utilizes, and the greatly reduced energy consumption has advantages such as the operation is reliable and stable, the investment economizes, the running cost is low, easy maintenance.

Description

Organic waste gas catalytic combustion equipment

Technical Field

The utility model relates to a waste gas purification technical field, concretely relates to organic waste gas catalytic combustion equipment.

Background

The organic waste gas is seen everywhere in human production activities and lives, and the emission of the untreated organic waste gas into the atmosphere not only seriously pollutes the environment but also influences the human health, so that the organic waste gas is very necessary to be purified.

The existing methods for treating organic waste gas mainly comprise an active carbon filtration method, a photo-oxygen catalysis and filtration method and a combustion method. However, the activated carbon filtration method has low filtration efficiency, is easy to generate solid waste, has high comprehensive operation cost and unsatisfactory overall treatment effect. The photo-oxygen catalysis and filtration method for treating the waste gas of the machine is unstable in effect, ozone and solid waste are easily generated, secondary pollution is easily caused, and the treatment effect is not ideal. The combustion method can convert the organic waste gas into harmless substances such as carbon dioxide, water and the like through high-temperature oxidation, so that the combustion method has more ideal effect on treating the organic waste gas compared with the former two methods. The existing organic waste gas burning device adopts refractory bricks and cement as a cavity of a combustion chamber, a resistance wire is wound on the cavity, and natural gas is heated by the resistance wire so as to burn organic waste gas in the cavity. And the waste gas after the gas combustion needs to be subjected to secondary treatment, so that the operation cost is increased. In view of the above drawbacks, it is actually necessary to design an organic waste gas catalytic combustion device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an organic waste gas catalytic combustion equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an organic waste gas catalytic combustion equipment, includes activated carbon adsorption room, clean room, preheating chamber and combustion chamber, the left side of activated carbon adsorption room is provided with the waste gas entry, activated carbon adsorption room and waste gas entry are through first pipeline intercommunication, be provided with centrifugal fan in the first pipeline, the right side of activated carbon adsorption room is provided with the clean room, activated carbon adsorption room and clean room pass through the second pipeline intercommunication, the right side of clean room is provided with the combustion chamber, be provided with the preheating chamber between clean room and the combustion chamber.

Preferably, the inside of active carbon adsorption chamber is provided with polylith active carbon adsorption board, the inside of clean room is provided with compound filter, and compound filter is three layer construction, is respectively for filtering cotton, stainless steel filter screen and micron filter screen.

Preferably, the preheating chamber includes preheating cabinet, heat preservation, waste gas intake pipe, preheating pipe way, heat transfer pipeline and waste gas outlet duct, the right side of preheating cabinet is equipped with the waste gas intake pipe, the preheating cabinet passes through waste gas intake pipe and clean room intercommunication, the inside heat preservation that is equipped with of preheating cabinet, the intraformational preheating pipe way of waste gas intake-tube connection heat preservation is provided with heat transfer pipeline on the preheating cabinet.

Preferably, the heat exchange pipeline comprises a heat exchange gas inlet, a spiral U-shaped pipe and a heat exchange gas discharge port, the spiral U-shaped pipe is spirally wound on the outer side of the preheating pipeline, the front end and the tail end of the spiral U-shaped pipe are respectively connected with the heat exchange gas inlet and the heat exchange gas discharge port, the tail end of the preheating pipeline is communicated with the waste gas outlet pipe, the waste gas outlet pipe is communicated with the combustion chamber, and a first valve is arranged on the waste gas outlet pipe.

Preferably, the combustion chamber includes shell, heating device and burning post, and the shell is used for surrounding the burning post, and the material of shell is insulation material, and the burning post is hollow structure, and cavity burning post and exhaust duct intercommunication, the burning post sets up on the top cap.

Preferably, the housing comprises a side wall and a top cover, an opening is formed in the upper portion of the side wall of the housing, the top cover is arranged at the opening in the upper portion of the side wall, the combustion column is arranged on the top cover, and the position, corresponding to the hollow portion of the combustion column, of the top cover is provided with a hole.

Preferably, the combustion chamber comprises a waste heat treatment device, and the waste heat treatment device is arranged on the exhaust pipeline.

Preferably, the combustion chamber further comprises an induced draft fan, the induced draft fan is arranged on the exhaust pipeline, and the induced draft fan is used for introducing the organic waste gas after combustion in the combustion column into the exhaust pipeline.

Preferably, a second valve is arranged at one end of the exhaust pipeline connected with the combustion column.

Compared with the prior art, the organic waste gas catalytic combustion equipment reduces heat loss, improves the utilization rate of heat generated by the heating device, and solves the problems of low temperature and high heat loss in the prior art; the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization, the utility model discloses waste gas to after the burning carries out waste heat recovery and utilizes, and the greatly reduced energy consumption has advantages such as the operation is reliable and stable, the investment economizes, the running cost is low, easy maintenance.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic structural view of an organic waste gas catalytic combustion apparatus according to the present invention;

fig. 2 is a schematic structural diagram of a combustion column and a top cover in the organic waste gas catalytic combustion device of the present invention.

In the drawings:

1. an activated carbon adsorption chamber; 11. an activated carbon adsorption plate; 2. a dust chamber; 21. a composite filter plate; 3. a preheating chamber; 30. a preheating box; 31. a heat-insulating layer; 32. an exhaust gas inlet pipe; 33. preheating a pipeline; 34. a heat exchange conduit; 341. a heat exchange gas inlet; 342. a helical U-shaped tube; 343. a heat exchange gas discharge port; 35. an exhaust gas outlet pipe; 36. a first valve; 4. a combustion chamber; 40. a housing; 400. a top cover; 41. a heating device; 42. a combustion column; 43. a sewage draining outlet; 44. an exhaust duct; 45. a second valve; 46. a support; 47. a waste heat treatment device; 48. an induced draft fan; 5. an exhaust gas inlet; 6. a first conduit; 7. a centrifugal fan; 8. a second conduit.

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.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides an organic waste gas catalytic combustion equipment, includes activated carbon adsorption room 1, clean room 2, preheating chamber 3 and combustion chamber 4, activated carbon adsorption room 1's left side is provided with waste gas entry 5, activated carbon adsorption room 1 and waste gas entry 5 are through first pipeline 6 intercommunication, be provided with centrifugal fan 7 in the first pipeline 6, activated carbon adsorption room 1's right side is provided with clean room 2, activated carbon adsorption room 1 and clean room 2 pass through second pipeline 8 intercommunication, clean room 2's right side is provided with combustion chamber 4, be provided with preheating chamber 3 between clean room 2 and the combustion chamber 4.

In this embodiment the inside of active carbon adsorption chamber 1 is provided with polylith active carbon adsorption board 11, the inside of clean room 2 is provided with compound filter 21, and compound filter 21 is three layer construction, is filter pulp, stainless steel filter screen and micron filter screen respectively, and compound filter 21 has acidproof, alkali-resisting, temperature resistant, performances such as wear-resisting, can carry out thorough purification to waste gas.

In this embodiment, the preheating chamber 3 preheats the introduced exhaust gas to a temperature close to that of catalytic reaction, the preheating chamber 3 includes a preheating chamber 30, an insulating layer 31, an exhaust gas inlet pipe 32, a preheating pipeline 33, a heat exchange pipeline 34 and an exhaust gas outlet pipe 35, the exhaust gas inlet pipe 32 is disposed on the right side of the preheating chamber 30, the preheating chamber 30 is communicated with the dust removal chamber 2 through the exhaust gas inlet pipe 32, the insulating layer 31 is disposed inside the preheating chamber 30, the exhaust gas inlet pipe 32 is connected to the preheating pipeline 33 in the insulating layer 31, the preheating chamber 30 is provided with the heat exchange pipeline 34, the heat exchange pipeline 34 is communicated with a hot air blower, the heat exchange pipeline 34 includes a heat exchange gas inlet 341, a spiral U-shaped pipe 342 and a heat exchange gas discharge port 343, the spiral U-shaped pipe 342 is spirally wound on the outer side of the preheating pipeline 33, the front end and the tail, the tail end of the preheating pipeline 33 is communicated with a waste gas outlet pipe 35, the waste gas outlet pipe 35 is communicated with the combustion chamber 4, a first valve 36 is arranged on the waste gas outlet pipe 35, and the first valve 36 is used for communicating or cutting off a communication channel between the waste gas outlet pipe 35 and the combustion chamber 4.

The combustion chamber 4 in this embodiment is used for combusting organic waste gas, the combustion chamber 4 includes a housing 40, a heating device 41 and a combustion column 42, the housing 40 is used for surrounding the combustion column 42, and the housing 40 is made of a heat insulating material. The heating device 41 is arranged on the combustion column 42, the heating device 41 is used for enabling the organic waste gas to reach an ignition point and burn, the combustion column 42 is of a hollow structure, the hollow combustion column 42 is communicated with the exhaust pipeline 44, and the exhaust pipeline 44 is used as a channel for discharging the burnt organic waste gas. The material of the combustion column 42 may be ceramic, and in view of the good high temperature resistance and the low thermal conductivity of the ceramic, the material of the combustion column 42 is preferably ceramic in this embodiment. The shape of the combustion column 42 may be a rectangular parallelepiped, a cylinder, or a hexagonal prism, the combustion column 42 in this embodiment is a hexagonal prism, and the combustion column 42 is disposed on the top cover 400.

The housing 40 in this embodiment includes a side wall and a top cover 400, an opening is disposed above the side wall of the housing 40, and the top cover 400 is disposed at the opening above the side wall and is used for sealing the opening. The combustion column 42 is disposed on the top cover 400, and the top cover 400 is provided with an opening corresponding to the hollow portion of the combustion column 42, and the opening is used for communicating the hollow portion of the combustion column 42 with the exhaust duct 44.

The top cover 400 may be formed by stacking two layers of the same circular ring structures, the top cover 400 is made of a heat insulating material, and the top cover 400 is used for sealing an opening above the side wall of the housing 40. The top cover 400 enhances the heat retention of the outer shell 40 during operation of the heating device 41 in the combustion chamber, further reducing heat loss in the combustion chamber 4. In practical applications, the top cover 400 and the side wall of the housing 40 may be connected together by a fixed connection manner, such as welding, and the fixed connection manner not only can improve the heat preservation effect of the housing 40, but also can make the connection between the top cover 400 and the side wall firmer.

The heating device 41 in this embodiment is disposed on the combustion column 42, and a part of the heating device 41 may extend out of the top cover 400 and be connected to the controller. For organic waste gases with different concentrations and different ignition points, the embodiment provided with the controller can utilize the heat generated by the heating device 41 with the maximum efficiency on the basis of energy conservation.

In this embodiment, a temperature sensor may be further disposed in the combustion chamber 4, the temperature sensor is configured to detect a temperature in the combustion chamber 4, the temperature sensor may be connected to the display, and after the temperature sensor transmits the measured temperature data to the display, the display displays a temperature value of the measured temperature, and then the controller may be adjusted according to the temperature displayed by the display, so as to adjust heat energy generated by the heating device 41 in the combustion chamber 4. Wherein the temperature sensor may be a thermocouple.

The heating device 41 in this embodiment may be embedded in the side wall of the combustion column 42, and the outer surface of the embedded heating device 41 and the side wall surface of the combustion column 42 may be on the same surface. The heating means 41 embedded in the side wall of the combustion column 42 can reduce the contact area with the organic exhaust gas, and reduce the influence of the organic exhaust gas on the heating means 41. Meanwhile, when the organic waste gas in the hollow portion of the combustion column 42 is combusted, the heating device 41 firstly transfers heat to the side wall of the combustion column 42, and the heating device 41 is disposed on the side wall of the combustion column 42, so that the transfer of the heat can be reduced, and further, the heat loss can be reduced. The present embodiment thus preferably embeds the heating means 41 in the side wall of the combustion column 42.

In practical applications, the heating device 41 may be a resistive band that is reciprocally meandered on the side wall of the housing 40 and spreads over the side wall of the housing 40. The reciprocating winding arrangement can increase the length and the use amount of the resistance band, and further increase the power of the resistance band, so that the temperature in the combustion chamber 4 can reach a higher temperature value.

In practical applications, the combustion chamber 4 may further include a waste heat treatment device 47, the waste heat treatment device 47 is disposed on the exhaust duct 44, and the waste heat treatment device 47 is used for absorbing the organic waste gas after combustion in the exhaust duct 44. The waste heat treatment device 47 can perform secondary utilization on the organic waste gas after combustion, so that energy is saved.

The waste heat treatment device 47 may be a heat exchanger, the heat exchange medium in the heat exchanger is water, and the water in the heat exchanger is conveyed to an external hot water pipeline. In practical application, the heat exchanger absorbs the combusted organic waste gas, then the heat of the combusted organic waste gas is exchanged to water, and the water after heat exchange by the heat exchanger can be used in life.

The waste heat treatment device 47 in this embodiment may also be a heat exchanger and a warm water generator, the heat exchange medium in the heat exchanger is water, the heat exchanger can exchange heat of the combusted organic waste gas for water supply, the water passes through the warm water generator after being heated, and the warm water generator can generate electric energy and provide electric energy to the outside after being fed with the heated water.

The combustion chamber 4 in this embodiment may further include an induced draft fan 48, where the induced draft fan 48 is disposed on the exhaust duct 44, and the induced draft fan 48 is configured to introduce the organic waste gas after combustion in the combustion column 42 into the exhaust duct 44. Wherein induced draft fan 48 may be an induced draft fan. When the waste heat treatment device 47 is provided in this embodiment, the induced draft fan 48 may be disposed between the waste heat treatment device 47 and one end of the exhaust duct 44 close to the combustion chamber 4, and the induced draft mechanism may increase the exhaust speed of the organic waste gas after combustion, and therefore, it is preferable that the induced draft fan 48 is disposed on the exhaust duct 44 in this embodiment.

In practical applications, the bottom structure of the housing 40 may be a flat surface or a funnel-shaped structure. Wherein, the bottom of the shell 40 is provided with a sewage draining exit 43, and the sewage draining exit 43 is used for providing a passage for removing solid impurities in the combustion column 42. When the bottom of the housing 40 is in a funnel-shaped structure, the drain 43 is arranged at the bottom of the funnel-shaped structure, so that solid impurities generated after the organic waste gas is combusted can be automatically accumulated at the drain 43, and convenience is provided for regularly cleaning the solid impurities in the combustion chamber 4. Wherein, the drain outlet 43 can be further provided with a cover which can open or close the drain outlet.

In the present embodiment, a second valve 45 is provided at an end of the exhaust pipe 44 connected to the combustion column 42, and the second valve 45 is used for connecting or blocking the communication passage of the exhaust pipe 44 to the combustion column 42.

The bottom of the combustion chamber 4 in this embodiment may also be provided with a heating device 41, such as a resistance band, which may also be reciprocally and sinuously arranged at the bottom of the combustion chamber 4.

The combustion chamber 4 in this embodiment is fixed to a bracket 46, and the bracket 46 is used to support the combustion chamber 4. The bracket 46 may be connected to the housing 40, and further, one end of the bracket 46 may be connected to the top cover 400 of the housing 40 and the other end may be connected to the ground. When the support 46 is provided, the bottom of the supported combustion chamber 4 may have a certain distance from the ground, and since the bottom of the housing 40 in the combustion chamber 4 may be provided with the soil discharge outlet 43, the support 46 may be provided to facilitate periodic cleaning of the solid impurities in the combustion chamber 4 through the soil discharge outlet 43.

It can be seen that the organic waste gas treatment device provided by the embodiment can reduce the heat loss of the embodiment through the heat-insulating housing 40 and the heat-insulating top cover 400. The heat generated within the combustion chamber 4 may be boosted by a reciprocating serpentine arrangement of resistive strips embedded in the combustion column 42. In practical applications, when the organic waste gas treatment device provided by the embodiment burns organic waste gas, the temperature in the combustion chamber 4 can be controlled within 200-1100 ℃. Still including waste heat treatment device 47 in this embodiment, waste heat treatment device 47 can carry out secondary utilization with the organic waste gas after the burning, has promoted the utilization ratio of the energy.

When using this embodiment to handle organic waste gas, can be when organic waste gas gets into waste gas outlet duct 35, open first valve 36, after organic waste gas gets into waste gas outlet duct 35, close first valve 36 again. During this process, the second valve 45 is closed, and the organic exhaust gas introduced into the combustion chamber 4 cannot flow back through the exhaust gas outlet pipe 35 or be discharged through the exhaust pipe 44. After the heating device 41 is turned on, the organic waste gas reaches the ignition point and is combusted, and after the organic waste gas is combusted, the second valve 45 can be opened, and the combusted organic waste gas can be discharged through the exhaust pipe 44.

The utility model discloses in the use, organic waste gas passes through in 5 entering activated carbon adsorption chamber 1 of waste gas entry, activated carbon adsorption plate 11 carries out filtration treatment to organic waste gas, organic waste gas after the filtration gets into clean room 2, the micro-particle thing in the organic waste gas is filtered to clean room 2, get into in the preheating chamber 3, preheating chamber 3 preheats organic waste gas, organic waste gas after preheating gets into combustion chamber 4 via waste gas outlet duct 35, heating device 41 in combustion chamber 4 begins to heat and produces the heat, after organic waste gas in combustion chamber 4 reaches the ignition point, organic waste gas begins to burn, organic waste gas after the burning can be converted into carbon dioxide, innoxious substances such as water, organic waste gas after the burning is finally discharged through exhaust duct 44. Wherein, combustion chamber 4 still includes shell 40 and burning post 42, and the material of shell 40 is insulation material, and when heating device 41 in combustion chamber 4 produced heat, insulation shell 40 can play fine heat preservation effect, and then made the heat loss in the combustion chamber 4 less. The combustion column 42 is a hollow structure, the hollow combustion column 42 is communicated with the exhaust pipeline 44, and the combusted organic waste gas can be discharged through the combustion column 42 and the exhaust pipeline 44. It can be seen that, compared with the prior art, the organic waste gas treatment device provided in this embodiment can improve the heat utilization rate of the heating device 41, the effective temperature that can be reached is higher, and the energy can be efficiently utilized. The problems of low temperature and high heat loss in the prior art are solved.

In summary, compared with the prior art, the present embodiment reduces heat loss, improves the utilization rate of the heat generated by the heating device 41, and solves the problems of low temperature and high heat loss in the prior art.

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 (9)

1. The utility model provides an organic waste gas catalytic combustion equipment, includes activated carbon adsorption room (1), clean room (2), preheating chamber (3) and combustion chamber (4), its characterized in that: the left side of active carbon adsorption room (1) is provided with waste gas entry (5), active carbon adsorption room (1) and waste gas entry (5) communicate through first pipeline (6), be provided with centrifugal fan (7) in first pipeline (6), the right side of active carbon adsorption room (1) is provided with clean room (2), second pipeline (8) intercommunication is passed through in active carbon adsorption room (1) and clean room (2), the right side of clean room (2) is provided with combustion chamber (4), be provided with preheating chamber (3) between clean room (2) and combustion chamber (4).

2. An organic exhaust gas catalytic combustion apparatus according to claim 1, wherein: the inside of active carbon adsorption chamber (1) is provided with polylith active carbon adsorption board (11), the inside of clean room (2) is provided with composite filter (21), and composite filter (21) are three layer construction, are respectively for crossing filter pulp, stainless steel filter screen and micron filter screen.

3. An organic exhaust gas catalytic combustion apparatus according to claim 1, wherein: preheating chamber (3) are including preheating cabinet (30), heat preservation (31), waste gas intake pipe (32), preheating pipe (33), heat transfer pipeline (34) and waste gas outlet duct (35), the right side of preheating cabinet (30) is equipped with waste gas intake pipe (32), preheating cabinet (30) are through waste gas intake pipe (32) and clean room (2) intercommunication, preheating cabinet (30) inside is equipped with heat preservation (31), and preheating pipe (33) in heat preservation (31) are connected in waste gas intake pipe (32), are provided with heat transfer pipeline (34) on preheating cabinet (30).

4. An organic exhaust gas catalytic combustion apparatus according to claim 3, characterized in that: the heat exchange pipeline (34) comprises a heat exchange gas inlet (341), a spiral U-shaped pipe (342) and a heat exchange gas discharge port (343), the spiral U-shaped pipe (342) is spirally wound on the outer side of the preheating pipeline (33), the front end and the tail end of the spiral U-shaped pipe (342) are respectively connected with the heat exchange gas inlet (341) and the heat exchange gas discharge port (343), the tail end of the preheating pipeline (33) is communicated with a waste gas outlet pipe (35), the waste gas outlet pipe (35) is communicated with the combustion chamber (4), and a first valve (36) is arranged on the waste gas outlet pipe (35).

5. An organic exhaust gas catalytic combustion apparatus according to claim 1, wherein: the combustion chamber (4) comprises a shell (40), a heating device (41) and a combustion column (42), wherein the shell (40) is used for surrounding the combustion column (42), the shell (40) is made of a heat-insulating material, the combustion column (42) is of a hollow structure, the hollow combustion column (42) is communicated with an exhaust pipeline (44), and the combustion column (42) is arranged on a top cover (400).

6. An organic exhaust gas catalytic combustion apparatus according to claim 5, wherein: the shell (40) comprises a side wall and a top cover (400), an opening is formed in the upper portion of the side wall of the shell (40), the top cover (400) is arranged at the opening in the upper portion of the side wall, the combustion column (42) is arranged on the top cover (400), and an opening is formed in the position, corresponding to the hollow portion of the combustion column (42), of the top cover (400).

7. An organic exhaust gas catalytic combustion apparatus according to claim 1, wherein: the combustion chamber (4) comprises a waste heat treatment device (47), and the waste heat treatment device (47) is arranged on the exhaust pipeline (44).

8. An organic exhaust gas catalytic combustion apparatus according to claim 1, wherein: the combustion chamber (4) further comprises an induced draft fan (48), the induced draft fan (48) is arranged on the exhaust pipeline (44), and the induced draft fan (48) is used for introducing organic waste gas after combustion in the combustion column (42) into the exhaust pipeline (44).

9. An organic exhaust gas catalytic combustion apparatus according to claim 8, wherein: a second valve (45) is provided at the end of the exhaust pipe (44) connected to the combustion column (42).

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