CN215692944U - Zeolite runner adsorbs concentrated desorption CO catalytic oxidation system - Google Patents
Zeolite runner adsorbs concentrated desorption CO catalytic oxidation system Download PDFInfo
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- CN215692944U CN215692944U CN202121457154.5U CN202121457154U CN215692944U CN 215692944 U CN215692944 U CN 215692944U CN 202121457154 U CN202121457154 U CN 202121457154U CN 215692944 U CN215692944 U CN 215692944U
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Abstract
The utility model relates to a CO catalytic oxidation system for adsorption, concentration and desorption of zeolite rotating wheels, which comprises two same waste gas treatment lines, wherein each waste gas treatment line comprises a waste gas conduction pipe which is communicated with a paint spray booth and is provided with an electric butterfly valve, a pretreatment filter is fixedly arranged at the end part of each waste gas conduction pipe and is connected with a main process fan through the waste gas conduction pipe, the main process fan is connected with a zeolite rotating wheel through the waste gas conduction pipe, a desorption gas outlet of the zeolite rotating wheel is connected with a CO fan through the waste gas conduction pipe, the CO fan is connected with a flame arrester through the waste gas conduction pipe, the flame arrester is connected with a CO furnace through the waste gas conduction pipe, the CO furnace is connected with a desorption heat exchanger through a communicating pipe, and the desorption heat exchanger is communicated with a desorption gas inlet of the zeolite rotating wheel through the communicating pipe; the waste gas is treated by adopting a mode of pretreatment, zeolite rotating wheel adsorption concentration and CO catalytic combustion, and the treated waste gas is up to the standard and discharged.
Description
Technical Field
The utility model relates to the technical field of organic waste gas treatment equipment, in particular to a zeolite rotating wheel adsorption, concentration and desorption CO catalytic oxidation system.
Background
If harmful substance such as coating cloud, dust granule and VOCs in the workshop directly discharges when painting workshop paint spraying operation, then can cause serious pollution to the environment, also have the equipment of handling organic waste gas at present, but still can residual part's harmful substance in its waste gas after handling, can influence the environment after the discharge, still can harm human health.
Therefore, a zeolite rotating wheel adsorption, concentration and desorption CO catalytic oxidation system is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provides a zeolite rotating wheel adsorption, concentration and desorption CO catalytic oxidation system.
In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:
a zeolite runner adsorbs concentrated desorption CO catalytic oxidation system, includes two the same exhaust-gas treatment lines, the exhaust-gas treatment line includes the waste gas conduction pipe that has electric butterfly valve that is linked together with the spray booth, the end fixing of waste gas conduction pipe is equipped with the pretreatment filter, the pretreatment filter is connected with main technology fan through the waste gas conduction pipe, main technology fan is connected with the zeolite runner through the waste gas conduction pipe, the desorption gas outlet of zeolite runner is connected with the CO fan through the waste gas conduction pipe, the CO fan is connected with the spark arrester through the waste gas conduction pipe, the spark arrester is connected with the CO stove through the waste gas conduction pipe, the CO stove is connected with desorption heat exchanger through communicating pipe, be linked together through the desorption air inlet of communicating pipe with the zeolite runner on the desorption heat exchanger, the absorption gas outlet of zeolite runner is connected with the desorption fan through air duct a, the adsorption gas outlet of the zeolite rotating wheel is connected with the chimney through a gas guide tube b, the desorption fan is connected with the desorption heat exchanger through a gas guide tube c, the desorption fan is connected with the desorption gas inlet of the zeolite rotating wheel through a gas guide tube d, and the desorption heat exchanger is connected with the chimney through a communicating tube.
Further, pretreatment filter includes the shell, the one end of shell is equipped with the pretreatment filter air inlet that is connected with the exhaust gas conduction pipe, and the other end of shell is equipped with the pretreatment filter gas outlet that is connected with the exhaust gas conduction pipe, and the inside fixed mounting of shell has G4 to filter cotton layer, one side that G4 filtered cotton layer is equipped with the F7 filter bag structure of installing in the shell inside, one side of F7 filter bag structure is equipped with the activated carbon layer of installing in the shell inside, one side on activated carbon layer is equipped with the F9 filter bag structure of installing in the shell inside.
Further, the zeolite runner includes the casing, the internally mounted of casing has by gear motor driven annular zeolite module, the outside of annular zeolite module be equipped with the one end integrated into one piece's of casing adsorb the air inlet and with the other end integrated into one piece's of casing desorption air outlet, the inside of annular zeolite module is equipped with adsorb air outlet and desorption air inlet on being fixed in the casing.
Further, the CO furnace comprises a furnace body, a combustion chamber and a heating chamber are arranged inside the furnace body, a catalysis cavity is fixedly arranged at the top of the combustion chamber, a furnace body air outlet is formed in the top of the catalysis cavity, a furnace body air inlet is formed in one end of the catalysis cavity, a furnace tube communicated with the heating chamber is arranged at the other end of the catalysis cavity, and a compressed air inlet assembly is arranged at one end of the heating chamber.
Furthermore, manual butterfly valves are arranged on the gas guide pipe a, a communicating pipe between the desorption heat exchanger and the desorption gas inlet and a waste gas conducting pipe between the desorption gas outlet and the CO fan.
Furthermore, an electric butterfly valve is arranged on the air duct d.
Furthermore, a branch pipe which is communicated with the waste gas conduction pipe and is provided with an electric butterfly valve is arranged on the waste gas conduction pipe between the desorption gas outlet and the CO fan.
The waste gas is treated by adopting a pretreatment mode, a zeolite rotating wheel adsorption concentration mode and a CO catalytic combustion mode, the waste gas is discharged after reaching the standard after treatment, the pretreated organic waste gas passes through an adsorption zone of the zeolite rotating wheel, organic molecules are captured by a special adsorption hole of the zeolite rotating wheel, the clean gas reaching the standard after adsorption is directly discharged into a chimney, after adsorption for a period of time, the adsorption zone of the zeolite rotating wheel is saturated in adsorption, at the moment, a small strand of hot air (150 plus 180 ℃) is used for blowing the desorption zone of the zeolite rotating wheel, the organic substances are desorbed from the zeolite, the desorbed high-concentration waste gas is sent into a catalytic combustion chamber for incineration and purification, the high-temperature CO is catalyzed and oxidized in the range of 300-350 ℃ to generate H2O and CO2, and the zeolite is regenerated and can be recycled to thoroughly remove pollutants in the organic waste gas.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of one of the exhaust gas treatment lines of the present invention;
FIG. 3 is a schematic view of the pretreatment filter according to the present invention;
FIG. 4 is a schematic structural view of a zeolite rotor in the present invention;
FIG. 5 is a schematic view of the structure of the CO furnace of the present invention.
The reference numbers in the figures illustrate: 1-paint spraying room, 2-electric butterfly valve, 3-waste gas conducting pipe, 4-pretreatment filter, 5-main process fan, 6-zeolite rotating wheel, 7-CO fan, 8-flame arrester, 9-CO furnace, 10-chimney, 11-communicating pipe, 12-desorption heat exchanger, 13-air duct b, 14-air duct c, 15-desorption fan, 16-air duct a, 17-air duct d, 18-branch pipe, 19-manual butterfly valve, 20-shell, 21-pretreatment filter air inlet, 22-G4 filtering cotton layer, 23-F7 filtering bag structure, 24-active carbon layer, 25-F9 filtering bag structure, 26-pretreatment filter air outlet, 27-adsorption air outlet, 28-desorption air inlet, 29-shell, 30-desorption air outlet, 31-adsorption air inlet, 32-annular zeolite module, 33-furnace body air outlet, 34-furnace body air inlet, 35-combustion chamber, 36-furnace body, 37-heating chamber, 38-compressed air inlet component, 39-furnace tube and 40-catalysis cavity.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 5, the present embodiment provides a zeolite rotating wheel adsorption concentration desorption CO catalytic oxidation system, which includes two same waste gas treatment lines, the waste gas treatment lines include a waste gas conduction pipe 3 with an electric butterfly valve 2, which is communicated with a paint spray booth 1, a pretreatment filter 4 is fixed at an end of the waste gas conduction pipe 3, the pretreatment filter 4 is connected with a main process fan 5 through the waste gas conduction pipe 3, the main process fan 5 is connected with a zeolite rotating wheel 6 through the waste gas conduction pipe 3, a desorption gas outlet 30 of the zeolite rotating wheel 6 is connected with a CO fan 7 through the waste gas conduction pipe 3, the CO fan 7 is connected with a flame arrester 8 through the waste gas conduction pipe 3, the flame arrester 8 is connected with a CO furnace 9 through the waste gas conduction pipe 3, the CO furnace 9 is connected with a desorption heat exchanger 12 through a communicating pipe 11, the desorption heat exchanger 12 is communicated with a desorption gas inlet 28 of the zeolite rotating wheel 6 through the communicating pipe 11, the adsorption air outlet 27 of the zeolite rotating wheel 6 is connected with the desorption fan 15 through an air duct a16, the adsorption air outlet 27 of the zeolite rotating wheel 6 is connected with the chimney 10 through an air duct b13, the desorption fan 15 is connected with the desorption heat exchanger 12 through an air duct c14, the desorption fan 15 is connected with the desorption air inlet 28 of the zeolite rotating wheel 6 through an air duct d17, and the desorption heat exchanger 12 is connected with the chimney 10 through a communicating pipe 11.
The waste gas is treated by adopting a pretreatment mode, a zeolite rotating wheel adsorption concentration mode and a CO catalytic combustion mode, the waste gas is treated and then reaches the standard to be discharged, the pretreated organic waste gas passes through an adsorption area of the zeolite rotating wheel 6, organic molecules are captured by a special adsorption hole of the zeolite rotating wheel 6, the clean gas reaching the standard is directly discharged into a chimney 10, after the clean gas is adsorbed for a period of time, the adsorption area of the zeolite rotating wheel 6 is saturated in adsorption, at the moment, a small strand of hot air (150 plus 180 ℃) is used for blowing a desorption area of the zeolite rotating wheel, the organic matters are desorbed from the zeolite, the desorbed high-concentration waste gas is sent into a combustion chamber 35 in a CO furnace for burning and purifying, the high-concentration waste gas is subjected to catalytic oxidation in CO at the high temperature of 300-350 ℃ to generate H2O and CO2, and then the H2 8932 and the CO2 are discharged into the chimney 10, the zeolite is regenerated and can be recycled, and pollutants in the organic waste gas can be thoroughly removed.
Preferably, the pretreatment filter 4 comprises a shell 20, one end of the shell 20 is provided with a pretreatment filter air inlet 21 connected with the exhaust gas conducting pipe 3, the other end of the shell 20 is provided with a pretreatment filter air outlet 26 connected with the exhaust gas conducting pipe 3, a G4 filter cotton layer 22 is fixedly mounted inside the shell 20, one side of the G4 filter cotton layer 22 is provided with an F7 filter bag structure 23 mounted inside the shell 20, one side of the F7 filter bag structure 23 is provided with an activated carbon layer 24 mounted inside the shell 20, and one side of the activated carbon layer 24 is provided with an F9 filter bag structure 25 mounted inside the shell 20.
Through four-stage filtration, particulate matters with the particle size of more than 0.5 mu m are removed, and the removal efficiency is more than 99 percent.
Preferably, the zeolite wheel 6 includes a housing 29, an annular zeolite module 32 driven by a speed reduction motor is installed inside the housing 29, an adsorption air inlet 31 integrally formed with one end of the housing 29 and a desorption air outlet 30 integrally formed with the other end of the housing 29 are provided outside the annular zeolite module 32, and an adsorption air outlet 27 and a desorption air inlet 28 fixed on the housing 29 are provided inside the annular zeolite module 32.
Preferably, the CO furnace 9 includes a furnace body 36, a combustion chamber 35 and a heating chamber 37 are arranged inside the furnace body 36, a catalytic chamber 40 is fixedly arranged at the top of the combustion chamber 35, a furnace body air outlet 33 is arranged at the top of the catalytic chamber 40, a furnace body air inlet 34 is arranged at one end of the catalytic chamber 40, a furnace tube 39 communicated with the heating chamber 37 is arranged at the other end of the catalytic chamber 40, and a compressed air inlet assembly 38 is arranged at one end of the heating chamber 37.
After VOCS waste gas enters the system, VOCS waste gas passes through a hydrophobic zeolite rotating wheel 6 in the first stage, and VOCS pollutants are firstly adsorbed on the rotating wheel; the second stage desorption procedure is to heat exchange part of the discharged gas of the zeolite runner 6 with the hot gas of the combustion chamber 37 of the CO furnace to about 150 to 180 ℃, so that the discharged gas is introduced into the runner to desorb organic matters by high temperature, and the desorbed high-concentration waste gas enters CO with the temperature of more than 300 ℃ for catalytic oxidation, thereby reducing the size of a subsequent waste gas treatment unit and the operation cost.
Preferably, the gas guide pipe a16, the communicating pipe 22 between the desorption heat exchanger 12 and the desorption gas inlet 28, and the waste gas conducting pipe 3 between the desorption gas outlet 30 and the CO blower 7 are all provided with manual butterfly valves 19.
Preferably, an electric butterfly valve 2 is arranged on the air duct d 17.
Preferably, a branch pipe 18 which is communicated with the waste gas guiding pipe 3 between the desorption gas outlet 30 and the CO fan 7 and is provided with an electric butterfly valve 2 is arranged on the waste gas guiding pipe.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a zeolite runner adsorbs concentrated desorption CO catalytic oxidation system, includes two the same exhaust-gas treatment lines, its characterized in that: the waste gas treatment line comprises a waste gas conduction pipe which is communicated with a paint spray booth and is provided with an electric butterfly valve, a pretreatment filter is fixedly arranged at the end part of the waste gas conduction pipe, the pretreatment filter is connected with a main process fan through the waste gas conduction pipe, the main process fan is connected with a zeolite rotating wheel through the waste gas conduction pipe, a desorption gas outlet of the zeolite rotating wheel is connected with a CO fan through the waste gas conduction pipe, the CO fan is connected with a flame arrester through the waste gas conduction pipe, the flame arrester is connected with a CO furnace through the waste gas conduction pipe, the CO furnace is connected with a desorption heat exchanger through a communication pipe, the desorption heat exchanger is communicated with a desorption gas inlet of the zeolite rotating wheel through a communication pipe, an adsorption gas outlet of the zeolite rotating wheel is connected with the desorption fan through a gas guide pipe a, and an adsorption gas outlet of the zeolite rotating wheel is connected with a chimney through a gas guide pipe b, the desorption fan is connected with the desorption heat exchanger through an air duct c, the desorption fan is connected with the desorption air inlet of the zeolite rotating wheel through an air duct d, and the desorption heat exchanger is connected with a chimney through a communicating pipe.
2. The rotary wheel adsorption, concentration and desorption CO catalytic oxidation system of zeolite as claimed in claim 1, wherein: the pretreatment filter includes the shell, the one end of shell is equipped with the pretreatment filter air inlet that is connected with the exhaust gas conduction pipe, and the other end of shell is equipped with the pretreatment filter gas outlet that is connected with the exhaust gas conduction pipe, and the inside fixed mounting of shell has G4 to filter cotton layer, one side that G4 filtered cotton layer is equipped with installs in the inside F7 filter bag structure of shell, one side of F7 filter bag structure is equipped with installs in the inside activated carbon layer of shell, one side on activated carbon layer is equipped with installs in the inside F9 filter bag structure of shell.
3. The rotary wheel adsorption, concentration and desorption CO catalytic oxidation system of zeolite as claimed in claim 1, wherein: the zeolite runner includes the casing, the internally mounted of casing has by gear motor driven annular zeolite module, the outside of annular zeolite module be equipped with the one end integrated into one piece's of casing adsorb the air inlet and with the other end integrated into one piece's of casing desorption air outlet, the inside of annular zeolite module is equipped with adsorb air outlet and desorption air inlet on being fixed in the casing.
4. The rotary wheel adsorption, concentration and desorption CO catalytic oxidation system of zeolite as claimed in claim 1, wherein: the CO furnace comprises a furnace body, a combustion chamber and a heating chamber are arranged inside the furnace body, a catalysis cavity is fixedly arranged at the top of the combustion chamber, a furnace body air outlet is formed in the top of the catalysis cavity, a furnace body air inlet is formed in one end of the catalysis cavity, a furnace tube communicated with the heating chamber is arranged at the other end of the catalysis cavity, and a compressed air inlet assembly is arranged at one end of the heating chamber.
5. The rotary wheel adsorption, concentration and desorption CO catalytic oxidation system of zeolite as claimed in claim 1, wherein: and manual butterfly valves are arranged on the gas guide pipe a, a communicating pipe between the desorption heat exchanger and the desorption gas inlet, and a waste gas conduction pipe between the desorption gas outlet and the CO fan.
6. The rotary wheel adsorption, concentration and desorption CO catalytic oxidation system of zeolite as claimed in claim 1, wherein: and an electric butterfly valve is arranged on the air duct d.
7. The rotary wheel adsorption, concentration and desorption CO catalytic oxidation system of the zeolite of claim 5, which is characterized in that: and a branch pipe which is communicated with the waste gas conduction pipe between the desorption gas outlet and the CO fan and is provided with an electric butterfly valve is arranged on the waste gas conduction pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121457154.5U CN215692944U (en) | 2021-06-29 | 2021-06-29 | Zeolite runner adsorbs concentrated desorption CO catalytic oxidation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121457154.5U CN215692944U (en) | 2021-06-29 | 2021-06-29 | Zeolite runner adsorbs concentrated desorption CO catalytic oxidation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215692944U true CN215692944U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121457154.5U Active CN215692944U (en) | 2021-06-29 | 2021-06-29 | Zeolite runner adsorbs concentrated desorption CO catalytic oxidation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN215692944U (en) |
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2021
- 2021-06-29 CN CN202121457154.5U patent/CN215692944U/en active Active
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