CN210009831U

CN210009831U - Processing apparatus for processing high concentration organic waste gas

Info

Publication number: CN210009831U
Application number: CN201920285151.4U
Authority: CN
Inventors: 黄欣武; 黄思源
Original assignee: Jiangsu Tiaoqiao Environmental Engineering Co Ltd
Current assignee: Jiangsu Tiaoqiao Environmental Engineering Co Ltd
Priority date: 2019-03-06
Filing date: 2019-03-06
Publication date: 2020-02-04
Anticipated expiration: 2029-03-06

Abstract

The utility model provides a handle high concentration organic waste gas's processing apparatus relates to exhaust-gas treatment device technical field, has solved the not thorough technical problem of organic waste gas. This handle processing apparatus of high concentration organic waste gas includes the casing, air inlet and the gas outlet of setting on the casing, set gradually the dust removal subassembly in the casing along the gas flow direction, the condensation subassembly, adsorption component, heating element and catalytic oxidation subassembly, still including setting up the regeneration subassembly in the casing and be connected with adsorption component, the import and the air inlet intercommunication of dust removal subassembly, catalytic oxidation subassembly's export and gas outlet intercommunication, still include the heat recovery subassembly, heat recovery subassembly one end is connected on the gas outlet, the pipe connection of being connected between the other end and adsorption component and the heating element. The utility model is used for high concentration organic waste gas handles.

Description

Processing apparatus for processing high concentration organic waste gas

Technical Field

The utility model belongs to the technical field of the exhaust-gas treatment device technique and specifically relates to a handle processing apparatus of high concentration organic waste gas.

Background

In the production process of chemical, pharmaceutical, printing, coating, packaging and other industries, waste gas is generated, which contains volatile organic compounds such as alkanes, alkenes, aromatics, esters, alcohols, aldehydes, ketones and the like, and if the organic waste gas is directly discharged into the atmosphere, the atmosphere and the surrounding environment are inevitably polluted. And with the development of social economy, people pay more and more attention to environmental problems, so that the treatment of organic waste gas is paid more and more attention to various manufacturers such as chemical industry.

At present, the treatment methods for organic waste gas mainly include adsorption and desorption methods, low-temperature plasma methods, regenerative catalytic oxidation methods, regenerative thermal incineration methods, catalytic oxidation methods, thermal incineration methods, and the like. Among them, the catalytic oxidation method is a new technology for treating high concentration organic waste gas which is gradually developed in recent years, and has the advantages of complete degradation, no secondary pollution, low energy consumption and raw material consumption, and the like. The catalytic oxidation method is a technology that organic waste gas is heated and then is introduced into a catalytic chamber for flameless low-temperature combustion, so that the organic waste gas is degraded into low-molecular carbon dioxide, water and other nontoxic and harmless components and then is discharged into the atmosphere.

The applicant has found that the prior art has at least the following technical problems:

in the existing catalytic oxidation treatment device, as only heating and catalytic treatment are adopted, the organic waste gas treatment is not thorough, and the environment is still influenced; moreover, the heat generated after catalysis is discharged along with the decomposed gas, which causes energy waste and higher enterprise cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a handle high concentration organic waste gas's processing apparatus to solve the not thorough technical problem of processing apparatus processing organic waste gas that exists among the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of handle processing apparatus of high concentration organic waste gas, be in including casing, setting air inlet and gas outlet on the casing, set gradually along the gas flow direction dust removal subassembly, condensation subassembly, adsorption component, heating element and catalytic oxidation subassembly in the casing, still including setting up in the casing and with the regeneration subassembly that adsorption component connects, the import of dust removal subassembly with the air inlet intercommunication, catalytic oxidation subassembly's export with the gas outlet intercommunication still includes the heat recovery subassembly, heat recovery subassembly one end is connected on the gas outlet, the other end with adsorption component with the tube coupling of connecting between the heating element.

As a further improvement, the dust removal component comprises a bag type dust collector, the bag type dust collector is arranged at the lower part of the left side wall of the shell, the inlet of the bag type dust collector is communicated with the air inlet, the air inlet is communicated with the waste gas source pipeline, and the outlet is communicated with the inlet pipeline of the condensation component.

As a further improvement of the utility model, the condensation subassembly sets up the dust removal subassembly with between the adsorption component, and be located in the middle of the casing bottom, the last liquid outlet that has of condensation subassembly, the liquid outlet passes through the pipeline and extends to the casing outside.

As a further improvement of the utility model, the adsorption component includes the adsorption tank, the adsorption tank is closed box structure, be provided with gas inlet and gas outlet on the relative both sides wall of adsorption tank respectively, gas inlet pass through the pipeline with the export intercommunication of condensation component, gas outlet pass through the pipeline with heating element intercommunication, still be provided with regeneration entry and regeneration export on the relative both sides wall of adsorption tank, just regeneration entry with regeneration export is located respectively gas inlet with the gas outlet top, be provided with two activated carbon adsorption section of thick bamboo in the adsorption tank, and these two activated carbon adsorption section of thick bamboo rotate through a rotation support and set up in the adsorption tank, the rotation support rotates 180 degrees at every turn and makes two the both ends of activated carbon adsorption section of thick bamboo correspond respectively gas inlet gas outlet, The regeneration inlet and the regeneration outlet are communicated with the regeneration assembly through pipelines.

As a further improvement, the activated carbon adsorption cylinder is filled with activated carbon particles, and the activated carbon adsorption cylinder is provided with a mesh-shaped baffle plate at both ends for preventing the activated carbon particles from falling out.

As a further improvement of the present invention, the regeneration assembly is disposed above the adsorption assembly, the regeneration assembly includes a heating unit and a cooling unit connected in parallel with the regeneration inlet and the regeneration outlet, the heating unit includes an induced draft fan, a heater and a humidifier sequentially connected with the regeneration inlet, and a regeneration pipeline connected with the regeneration outlet, the other end of the regeneration pipeline is connected with a pipeline connected between the induced draft fan and the heater, and a switch valve is disposed between the regeneration pipeline and the heater; the cooling unit comprises a cooling fan connected with the regeneration inlet and a cooling pipeline connected with the regeneration outlet, and a reversible three-way valve is arranged at the joint of the heating unit and the cooling unit with the regeneration inlet and the regeneration outlet.

As a further improvement, the catalytic oxidation subassembly sets up regeneration subassembly left side, the catalytic oxidation subassembly includes the catalysis case, follows the multilayer catalyst layer that catalysis case direction of height set up, be corresponding to every layer on the casing catalyst layer position is provided with the opening that can open and close respectively, the catalyst layer includes the cylinder mould and sets up catalyst granule in the cylinder mould.

As a further improvement of the utility model, the types of the catalysts in the catalyst layers are the same or different.

As a further improvement of the utility model, the heat recovery assembly is a plate heat exchanger or a finned heat exchanger.

As a further improvement of the utility model, the catalytic oxidation device further comprises a control device, the catalytic oxidation assembly with all be provided with temperature sensor in the heating element, temperature sensor with the control device electricity is connected, control device with the heating element electricity is connected.

As a further improvement, the adsorption box outside is provided with drive arrangement, drive arrangement with the runing rest transmission is connected, drive arrangement can move with intermittent type formula operation mode, and every operation can drive the runing rest is rotatory 180 degrees.

Compared with the prior art, the utility model following beneficial effect has:

the treatment device for treating the high-concentration organic waste gas provided by the utility model can treat pollutants in the organic waste gas by arranging the dust removal component, the condensation component, the adsorption component, the heating component and the catalytic oxidation component, so that the discharged gas meets the basic environmental protection requirement; by arranging the regeneration assembly, the adsorption assembly can be continuously used, the downtime is reduced, and the treatment efficiency is improved; through setting up the heat recovery subassembly, can recycle the heat recovery in the gas after the high temperature reaction of discharging into the atmosphere to reduce the consumption of the interior energy of processing apparatus, reduce cost in business.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the internal structure of the device for treating high concentration organic waste gas according to the present invention.

FIG. 1, a housing; 11. an air inlet; 12. an air outlet; 13. an opening; 2. a dust removal assembly; 3. a condensing assembly; 31. a liquid outlet; 4. an adsorption component; 41. an adsorption tank; 411. a gas inlet; 412. a gas outlet; 413. a regeneration inlet; 414. a regeneration outlet; 42. an activated carbon adsorption cartridge; 43. rotating the bracket; 44. a drive device; 5. a heating assembly; 6. a catalytic oxidation assembly; 61. a catalyst box; 62. a catalyst layer; 7. a regeneration component; 71. a heating unit; 711. an induced draft fan; 712. a heater; 713. a humidifier; 714. a regeneration line; 715. an on-off valve; 72. a cooling unit; 721. a cooling fan; 722. a cooling pipeline; 73. a three-way valve; 8. a heat recovery assembly; 9. and a control device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a handle processing apparatus of high concentration organic waste gas, which comprises a housin 1, air inlet 11 and the gas outlet 12 of setting on casing 1, dust removal component 2 along the gas flow direction set gradually in casing 1, condensation component 3, adsorption component 4, heating element 5 and catalytic oxidation component 6, still including setting up regeneration component 7 in casing 1 and being connected with adsorption component 4, the import and the air inlet 11 intercommunication of dust removal component 2, catalytic oxidation component 6's export and gas outlet 12 intercommunication, still include heat recovery subassembly 8, heat recovery subassembly 8 is plate heat exchanger or finned heat exchanger, heat recovery subassembly 8 one end is connected on gas outlet 12, the other end is connected with the pipeline of being connected between adsorption component 4 and the heating element 5. The plate heat exchanger exchanges heat with the heat of the gas discharged from the gas outlet 12 and recovers the heat, and the heat is exchanged with the waste gas discharged from the adsorption component 4 and enters the heating component 5, so that the waste gas is heated.

As an alternative embodiment, the dust removing assembly 2 comprises a bag type dust remover, the bag type dust remover is arranged at the lower part of the left side wall of the shell 1, the inlet of the bag type dust remover is communicated with the air inlet 11, the air inlet 11 is communicated with the waste gas source pipeline, and the outlet of the bag type dust remover is communicated with the inlet pipeline of the condensing assembly 3.

As an alternative embodiment, the condensing assembly 3 is arranged between the dust removal assembly 2 and the adsorption assembly 4 and is positioned in the middle of the bottom of the shell 1, the condensing assembly 3 is provided with a liquid outlet 31, and the liquid outlet 31 extends to the outer side of the shell 1 through a pipeline. The condensation unit 3 is implemented by a product in the prior art, such as a condenser. The outlet of the condensing module 3 is communicated with the gas inlet 411 of the adsorbing module 4.

The adsorption component 4 comprises an adsorption tank 41, the adsorption tank 41 is a closed box structure, two opposite side walls of the adsorption tank 41 are respectively provided with a gas inlet 411 and a gas outlet 412, the gas inlet 411 is communicated with an outlet of the condensation component 3 through a pipeline, the gas outlet 412 is communicated with the heating component 5 through a pipeline, two opposite side walls of the adsorption tank 41 are also provided with a regeneration inlet 413 and a regeneration outlet 414, and the regeneration inlet 413 and the regeneration outlet 314 are respectively positioned above the gas inlet 411 and the gas outlet 412, two activated carbon adsorption cylinders 42 are arranged in the adsorption tank 41, the two activated carbon adsorption cylinders 42 are rotatably arranged in the adsorption box 41 through a rotating bracket 43, the rotating bracket 43 rotates 180 degrees each time, so that two ends of the two activated carbon adsorption cylinders 42 respectively correspond to the gas inlet 411, the gas outlet 412, the regeneration inlet 413 and the regeneration outlet 414, and the regeneration inlet 413 and the regeneration outlet 414 are communicated with the regeneration assembly 7 through pipelines. When the device is used, two ends of one of the activated carbon adsorption cylinders 42 respectively correspond to the gas inlet 411 and the gas outlet 412 so as to perform adsorption treatment on the entering waste gas, two ends of the other activated carbon adsorption cylinder 42 respectively correspond to the regeneration inlet 413 and the regeneration outlet 414, and the activated carbon in the activated carbon adsorption cylinder 42 is subjected to activity recovery through the regeneration assembly 7.

It should be noted that, in the utility model, the activated carbon adsorption cylinder 42 is filled with activated carbon particles, and both ends of the activated carbon adsorption cylinder 42 are respectively provided with the mesh-shaped baffle plate for preventing the activated carbon particles from falling out.

As an alternative embodiment, the regeneration assembly 7 is arranged above the adsorption assembly 4, the regeneration assembly 7 comprises a heating unit 71 and a cooling unit 72 which are connected with the regeneration inlet 413 and the regeneration outlet 414 in parallel, the heating unit 71 comprises an induced draft fan 711, a heater 712 and a humidifier 713 which are sequentially connected with the regeneration inlet 413, and a regeneration pipeline 714 connected with the regeneration outlet 414, and the other end of the regeneration pipeline 714 is connected with a pipeline connected between the induced draft fan 711 and the heater 712; an on-off valve 715 is provided between the regeneration line 714 and the heater 712; the cooling unit 72 includes a cooling fan 721 connected to the regeneration inlet 413 and a cooling line 722 connected to the regeneration outlet 414, and a three-way valve 73 that is reversible is provided at the connection of the heating unit 71 and the cooling unit 72 to the regeneration inlet 413 and the regeneration outlet 414.

It should be noted that, in the present invention, the heating component 5 is implemented by a product in the prior art, and may be an electric heater.

As an optional embodiment, the catalytic oxidation assembly 6 is disposed on the left side of the regeneration assembly 7, the catalytic oxidation assembly 6 includes a catalytic box 61 and a plurality of catalyst layers 62 disposed along the height direction of the catalytic box 61, the casing 1 is provided with an openable opening 13 corresponding to each catalyst layer 62, and the catalyst layers 62 include a mesh cage and catalyst particles disposed in the mesh cage. Catalysis case 61 is open structure towards casing 1 opening 13 one side, and has the sealing strip between the uncovered side department of catalysis case 61 and the casing 1 inner wall for catalysis case 61 is a closed structure, and opening 13 limit portion also is provided with the sealing strip, is used for guaranteeing casing 1 and catalysis case 61's leakproofness, avoids influencing the normal use of device because of the structure that catalyst layer 62 can extract on casing 1.

In order to ensure the catalytic oxidation effect, the catalyst species in each catalyst layer 62 are the same or different, in the present invention, the catalyst species in each catalyst layer 62 are different. The multi-layer catalyst layer 62 in the catalyst case 61 can effectively increase the contact time and contact area of the organic exhaust gas with the catalyst in the catalyst layer 62, and thus can improve the efficiency of organic exhaust gas treatment. In addition, the utilization rate of the catalyst can be improved due to the arrangement of the multiple catalyst layers 62, the catalyst in different catalyst layers 62 can be replaced according to actual use conditions, waste of the catalyst is avoided, and the production cost of an enterprise can be effectively saved.

The catalyst layer 62 is installed in a manner of being extracted from the upper opening 13 of the housing 1, so that the catalyst in the catalyst layer 62 can be conveniently cleaned and replaced, and the working strength is effectively reduced.

As an alternative embodiment, the heat recovery assembly 8 is a plate heat exchanger or a finned heat exchanger.

As an optional embodiment, in order to improve the system safety, the system further comprises a control device 9, and temperature sensors are arranged in the catalytic oxidation assembly 6 and the heating assembly 5, the temperature sensors are electrically connected with the control device 9, and the control device 9 is electrically connected with the heating assembly 5.

When the temperature sensor detects that the temperature in the catalytic oxidation assembly 6 and/or the heating assembly 5 is too high, the control device 9 controls the heating assembly 5 to stop heating, so as to avoid the damage to the catalyst in the catalytic oxidation assembly 6 caused by the too high heating temperature.

As an alternative embodiment, a driving device 44 is disposed outside the suction box 41, the driving device 44 is in transmission connection with the rotating bracket 43, and the driving device 44 can operate in an intermittent operation mode, and can drive the rotating bracket 43 to rotate 180 degrees every time the driving device operates.

It should be noted that, in the present invention, the housing 1 is a sealable housing 1.

The utility model discloses a high concentration organic waste gas processing apparatus is when using, organic waste gas then gets into bag collector after taking into casing 1 through air inlet 11, hold back through the large granule thing such as dust that the sack cleaner contains in to the industrial organic waste gas, after the dust removal process, then get into the condenser in by the condensation, the condenser is through the temperature that reduces industrial organic waste gas, make the organic gas of high concentration meet the cold liquefaction, reduce organic gas content in the industrial waste gas by a wide margin, guarantee the required temperature of the normal operating of follow-up active carbon adsorption process, retrieve valuable organic matter simultaneously, can carry out condensation treatment to the organic waste gas of high concentration earlier, so that partial organic waste gas condenses to the VOCs of liquid phase, thereby make the liquid phase VOCs that the condensation obtained retrieve and recycle, in order to reduce enterprise manufacturing cost; part of the organic waste gas is condensed into liquid phase in the condenser and flows out of the shell 1 from the liquid outlet 31, while the rest part of the low-concentration organic waste gas enters the adsorption component 4, because of the adsorption effect of the active carbon on organic matters, in the process, the organic gas is adsorbed by the active carbon in the active carbon adsorption cylinder 42, after the adsorption of the active carbon, the industrial waste gas which is basically purified enters the heating component 5 to be heated, the organic waste gas is heated to the ignition temperature in the heater and is discharged from the output end of the heater to enter the catalytic box 61, and then the organic waste gas at the ignition temperature is decomposed into carbon dioxide, water and other nontoxic and harmless components under the action of the multilayer catalyst layer 62 in the catalytic box 61, and the gases are discharged to the atmosphere through the gas outlet 12 communicated with the catalytic box 61, thereby realizing the purpose of purifying the organic waste gas.

In the process of discharging the atmosphere, after heat recovery is carried out through the plate heat exchanger, the heated medium and the waste gas to enter the heating assembly 5 are subjected to heat exchange, and then the waste gas is heated, so that the energy consumption of the heating assembly 5 is reduced.

In the waste gas treatment process, when the activity is reduced after one of the activated carbon adsorption cylinders 42 is used for a long time, the activated carbon adsorption cylinder 42 is rotated to the regeneration inlet 413 and the regeneration outlet 414, the activated carbon is regenerated by introducing fresh hot air, and impurities adsorbed on the activated carbon adsorption cylinder 42 are desorbed and discharged by the fan due to the introduction of the hot air.

The treatment device for treating the high-concentration organic waste gas provided by the utility model can thoroughly treat pollutants in the organic waste gas by arranging the dust removal component, the condensation component, the adsorption component, the heating component and the catalytic oxidation component, so that the discharged gas meets the basic environmental protection requirement; by arranging the regeneration assembly, the adsorption assembly can be continuously used, the downtime is reduced, and the treatment efficiency is improved; through setting up the heat recovery subassembly, can recycle the heat recovery in the gas after the high temperature reaction of discharging into the atmosphere to reduce the consumption of the interior energy of processing apparatus, reduce cost in business.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a handle processing apparatus of high concentration organic waste gas, its characterized in that is in including casing, setting air inlet and gas outlet on the casing, set gradually along the gas flow direction dust removal subassembly, condensation subassembly, adsorption component, heating element and catalytic oxidation subassembly in the casing, still including setting up in the casing and with the regeneration subassembly that adsorption component connects, dust removal subassembly's import with the air inlet intercommunication, catalytic oxidation subassembly's export with the gas outlet intercommunication still includes the heat recovery subassembly, heat recovery subassembly one end is connected on the gas outlet, the other end with adsorption component with the tube coupling of connecting between the heating element.

2. The apparatus of claim 1, wherein the dust-removing assembly comprises a bag-type dust collector disposed at a lower portion of the left sidewall of the housing, an inlet of the bag-type dust collector is in communication with the gas inlet, the gas inlet is in communication with the exhaust source pipeline, and an outlet of the bag-type dust collector is in communication with the inlet pipeline of the condensing assembly.

3. The apparatus as claimed in claim 2, wherein the condensing module is disposed between the dust-removing module and the adsorbing module and located at the bottom of the housing, and the condensing module has a liquid outlet extending to the outside of the housing through a pipeline.

4. The apparatus according to claim 3, wherein the adsorption module comprises an adsorption tank, the adsorption tank is a closed box structure, two opposite side walls of the adsorption tank are respectively provided with a gas inlet and a gas outlet, the gas inlet is communicated with the outlet of the condensation module through a pipeline, the gas outlet is communicated with the heating module through a pipeline, two opposite side walls of the adsorption tank are further provided with a regeneration inlet and a regeneration outlet, the regeneration inlet and the regeneration outlet are respectively located above the gas inlet and the gas outlet, the adsorption tank is internally provided with two activated carbon adsorption cylinders, the two activated carbon adsorption cylinders are rotatably arranged in the adsorption tank through a rotating bracket, and the rotating bracket rotates 180 degrees at each time to enable two ends of the two activated carbon adsorption cylinders to respectively correspond to the gas inlet, the gas outlet, and the two ends of the activated carbon adsorption cylinders are respectively arranged in the adsorption tank, The gas outlet, the regeneration inlet and the regeneration outlet are communicated with the regeneration assembly through pipelines.

5. The apparatus for treating high-concentration organic waste gas according to claim 4, wherein the activated carbon adsorption cylinder is filled with activated carbon particles, and two ends of the activated carbon adsorption cylinder are respectively provided with a mesh-shaped baffle plate for preventing the activated carbon particles from falling out.

6. The device for treating high-concentration organic waste gas according to claim 4, wherein the regeneration assembly is arranged above the adsorption assembly, the regeneration assembly comprises a heating unit and a cooling unit which are connected with the regeneration inlet and the regeneration outlet in parallel, the heating unit comprises an induced draft fan, a heater and a humidifier which are sequentially connected with the regeneration inlet, a regeneration pipeline connected with the regeneration outlet, the other end of the regeneration pipeline is connected with a pipeline connected between the induced draft fan and the heater, and a switch valve is arranged between the regeneration pipeline and the heater; the cooling unit comprises a cooling fan connected with the regeneration inlet and a cooling pipeline connected with the regeneration outlet, and a reversible three-way valve is arranged at the joint of the heating unit and the cooling unit with the regeneration inlet and the regeneration outlet.

7. The device for treating high-concentration organic waste gas according to claim 4, wherein the catalytic oxidation assembly is arranged on the left side of the regeneration assembly, the catalytic oxidation assembly comprises a catalytic box and a plurality of catalyst layers arranged along the height direction of the catalytic box, the shell is provided with an openable and closable opening corresponding to each catalyst layer, and each catalyst layer comprises a mesh cage and catalyst particles arranged in the mesh cage.

8. The apparatus as claimed in claim 7, wherein the catalyst in each catalyst layer is the same or different.

9. The apparatus for treating a high concentration organic waste gas according to claim 1, wherein the heat recovery module is a plate heat exchanger or a finned heat exchanger.

10. The device of claim 1, further comprising a control device, wherein a temperature sensor is disposed in each of the catalytic oxidation assembly and the heating assembly, the temperature sensor is electrically connected to the control device, and the control device is electrically connected to the heating assembly.