CN213824074U - Coating production waste gas treatment tower - Google Patents
Coating production waste gas treatment tower Download PDFInfo
- Publication number
- CN213824074U CN213824074U CN202022032246.0U CN202022032246U CN213824074U CN 213824074 U CN213824074 U CN 213824074U CN 202022032246 U CN202022032246 U CN 202022032246U CN 213824074 U CN213824074 U CN 213824074U
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- chamber
- biological purification
- waste gas
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- combustion chamber
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 239000011248 coating agent Substances 0.000 title claims abstract description 26
- 238000000576 coating method Methods 0.000 title claims abstract description 26
- 239000002912 waste gas Substances 0.000 title claims description 34
- 238000000746 purification Methods 0.000 claims abstract description 51
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 27
- 239000000428 dust Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims description 29
- 239000007789 gas Substances 0.000 claims description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229920000742 Cotton Polymers 0.000 claims description 6
- 241000219146 Gossypium Species 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 abstract description 3
- 239000012855 volatile organic compound Substances 0.000 description 11
- 239000002904 solvent Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000007084 catalytic combustion reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Treating Waste Gases (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a coating production technical field specifically discloses a coating production exhaust-gas treatment tower, include from the last fan room, dry process filter chamber, biological purification room, combustion chamber, the first absorption room that down sets gradually, the first absorption room inside is equipped with the fixed bed. The device is characterized in that a plurality of activated carbons are arranged on the fixed bed, one side of the primary absorption chamber is communicated with a steam pipe, a gas collecting hood is communicated between the primary absorption chamber and the combustion chamber, one end of the gas collecting hood, which is close to the combustion chamber, is provided with a flame arrester, one end of the primary absorption chamber, which is far away from the combustion chamber, is communicated with a dust removal mechanism, one end of the combustion chamber, which is far away from the gas collecting hood, is communicated with a biological purification chamber, a purification tank is arranged in the biological purification chamber, two ends of the purification tank are provided with fixing rods fixedly connected with the inner wall of the biological purification chamber, the surface of the biological purification chamber is provided with feeding holes, and one end of the biological purification chamber, which is close to the dry-method filter chamber, can be detachably connected with a barrier plate.
Description
Technical Field
The utility model relates to a coating production technical field specifically discloses a coating production exhaust-gas treatment tower.
Background
The waste gas in paint production mainly comprises hydrolysis waste gas, evaporated and dissolved non-condensable gas, crushed and dried non-condensable gas, monomer charging waste gas and acetone recovery non-condensable gas. The waste gas generated in the paint production is not treated or discharged after reaching standards, and the harm to the surrounding environment, the enterprise and the health of surrounding people can be caused. The method for treating the waste gas generated in the production of the coating mainly comprises the following steps: incineration, adsorption, absorption, biological, chemical degradation, photodegradation, low temperature plasma. These treatment techniques for coating production waste gas have respective advantages and disadvantages, and a single technique often cannot solve the coating production waste gas well. In view of this, the inventor proposes a coating production waste gas treatment tower.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem of incomplete treatment of the traditional coating waste gas.
In order to achieve the above object, the present invention provides the following basic scheme:
the utility model provides a coating production waste gas treatment tower, includes fan room, dry process filter chamber, biological purification room, combustion chamber and the primary absorption room that from last down sets gradually, the inside fixed bed that is equipped with of primary absorption room. The fixed bed is provided with a plurality of activated carbons, one side of the primary absorption chamber is communicated with a steam pipe, a gas collecting hood is communicated between the primary absorption chamber and the combustion chamber, one end of the gas collecting hood close to the combustion chamber is provided with a flame arrester, and one end of the primary absorption chamber far away from the combustion chamber is communicated with a dust removal mechanism;
one end of the combustion chamber, which is far away from the gas-collecting hood, is communicated with a biological purification chamber, a purification tank is arranged in the biological purification chamber, fixing rods fixedly connected with the inner wall of the biological purification chamber are arranged at two ends of the purification tank, a feeding hole is formed in the surface of the biological purification chamber, and a blocking plate can be detachably connected to one end of the biological purification chamber, which is close to the dry-method filter chamber;
one end of the dry filtering chamber is communicated with a fan chamber, the other end of the dry filtering chamber is communicated with a biological purification chamber, and a fan is arranged in the fan chamber.
The principle and effect of this basic scheme lie in:
1. compared with the prior art, this device passes through fan room, dry process filter chamber, biological purification room, combustion chamber and primary absorption room, at the drive of fan, realizes that waste gas is discharge to reach standard, and waste gas adsorbs through active carbon for the first time, and the combustion chamber burns the organic matter, and biological purification in the biological purification room filters, utilizes at last to carry out final filtration in dry process filter chamber for coating waste gas is discharge to reach standard.
Furthermore, the activated carbon is coal-based activated carbon. The coal-based activated carbon has the characteristics of developed pore structure, good adsorption performance, high mechanical strength, easy repeated regeneration, low manufacturing cost and the like; the method is used for the purification of toxic gas, the treatment of waste gas, the purification treatment of industrial and domestic water, the recovery of solvent and the like.
Further, the dust removal mechanism adopts dry dust removal equipment, in particular an oxygen bag dust remover. The oxygen bag-type dust remover has high removal efficiency of dust with small particle size, and the bag-type dust remover has high dust removal efficiency and moderate price.
Furthermore, the joint of the combustion chamber and the biological purification chamber is provided with a ventilation plate, and the ventilation plate is made of high-temperature-resistant and flame-retardant materials. The function of the air-permeable plate is to prevent the biological purification chamber from being interfered by the combustion chamber.
Further, the fan adopts an axial flow type high-power fan. Ensuring the smooth air extraction of the whole device.
Furthermore, a plurality of detachable filter drawers are arranged in the dry-method filter chamber, a plurality of air holes are formed in the bottom surface of each filter drawer, and a plurality of filter cottons are arranged in the filter drawers. The dry filtration is the most common and more cost-effective.
Furthermore, one side of the filtering drawer is fixedly connected with a handle. The filtering drawer is convenient to draw.
Drawings
FIG. 1 is a schematic structural diagram of a coating production waste gas treatment tower according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a filtering drawer in a coating production waste gas treatment tower according to an embodiment of the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a dust removal mechanism 1, a primary absorption chamber 2, a water vapor pipe 3, a gas collecting hood 4, a flame arrester 5, a breathable plate 6, a combustion chamber 7, a purification tank 8, a fixed rod 9, a feeding hole 10, a barrier plate 11, a filtering drawer 12, a handle 121 and a fan 13.
Examples are shown in fig. 1 and 2:
a coating production waste gas treatment tower comprises a fan 13 chamber, a dry-method filter chamber, a biological purification chamber, a combustion chamber 7 and a primary absorption chamber 2 which are sequentially arranged from top to bottom, wherein a fixed bed is arranged in the primary absorption chamber 2. The fixed bed is provided with a plurality of activated carbons, and the activated carbons adopt coal-based activated carbons. The coal-based activated carbon has the characteristics of developed pore structure, good adsorption performance, high mechanical strength, easy repeated regeneration, low manufacturing cost and the like; the utility model provides an aspect such as be used for the purification of toxic gas, exhaust-gas treatment, the purification treatment of industry and domestic water, solvent recovery, the left side intercommunication of primary absorption chamber 2 has vapor pipe 3, and the intercommunication has gas collecting channel 4 between primary absorption chamber 2 and the combustion chamber 7, and is specific: the gas collecting channel 4 is provided for the purpose of: gather gaseous, prevent the gas diffusion, the gas collecting channel 4 is close to the one end of combustion chamber 7 and is equipped with spark arrester 5, and the purpose of spark arrester 5 is in preventing that outside flame from scurrying into the equipment, the pipeline that have inflammable and explosive gas or stopping flame and stretching between equipment, pipeline, and the lower extreme intercommunication that combustion chamber 7 was kept away from to primary absorption chamber 2 has dust removal mechanism 1, and dust removal mechanism 1 adopts dry process dust collecting equipment, specifically is the oxygen sack cleaner. The oxygen bag-type dust remover has high removal efficiency of dust with small particle size, and the bag-type dust remover has high dust removal efficiency and moderate price.
The upper end and the biological purification room intercommunication of gas collecting channel 4 are kept away from to combustion chamber 7, and the indoor purifying tank 8 that is equipped with of biological purification room, 8 both ends of purifying tank are equipped with the dead lever 9 with the inner wall rigid coupling of biological purification room, and biological purification room surface is opened has throws material hole 10, and the one end that the biological purification room is close to the dry process filter chamber still can be dismantled and be connected with barrier plate 11, and is concrete: the purpose of the baffle plate 11 is to ensure the waste gas to stay by utilizing the baffle plate 11 because the reaction of the biological purification chamber needs time, and ensure the biological purification chamber to fully play a role.
The upper end of the dry filtering chamber is communicated with a fan chamber, the lower end of the dry filtering chamber is communicated with a biological purification chamber, a fan 13 is arranged in the fan chamber, a plurality of detachable filtering drawers 12 are arranged in the dry filtering chamber, and a handle 121 is fixedly connected to one side of each filtering drawer 12. The filtering drawer 12 is convenient to draw, a plurality of air holes are formed in the bottom surface of the filtering drawer 12, and a plurality of filtering cotton is placed in the filtering drawer 12. The dry filtration is the most common and more cost-effective. Finally, the exhaust gas is driven by the fan 13 to reach the standard and be discharged.
The implementation principle is as follows: the production amount of VOCs in the coating production process is relatively small and depends on the types of solvents, production equipment, processes and the like. The boiling point of the solvent is high, the production process has good tightness, lower temperature, short time, high automation degree and less variety types (less cleaning frequency), so that the generation amount of VOCs is less; the coating has the advantages of large consumption of low-boiling-point solvent, open production process, high temperature, long time, low automation degree and frequent cleaning, and the generated amount of VOCs is large. Obviously, by adopting closed equipment, improving the automation level and optimizing the production process, the production amount of VOCs can be effectively controlled from the source, in China, VOCs (volatile organic compounds) volatile organic compounds refer to organic compounds with saturated vapor pressure of more than 70Pa at normal temperature and boiling point of less than 260 ℃ at normal pressure, or all organic compounds with corresponding volatility and vapor pressure of more than or equal to 10Pa at 20 ℃.
Therefore, in the first step, the fan 13 is started, and the fan 13 adopts the axial flow type high-power fan 13. Ensuring that the whole device extracts air smoothly, inhales waste gas, waste gas firstly passes through the dust removal mechanism 1, remove dust to waste gas through the dust removal mechanism 1, mainly get rid of some dust and the visual large granule dust of naked eye, the second step, provide vapour pressure through the vapor pipe 3, then produce VOCs this moment and get into the primary absorption chamber 2, active carbon gets into the absorption to VOCs in the primary absorption chamber 2, the third step, contain VOCs through the primary absorption chamber 2 and can get into combustion chamber 7, the gas temperature after the catalytic combustion is higher, generally through the heat exchanger behind the heated inlet gas, the desorption of part VOCs that is used for adsorbing, catalytic combustion chamber 7 changes organic gas into harmless CO2 and H2O, and keep stable self-combustion state, handle comparatively completely, need not external heating after once starting, combustion chamber 7 can thoroughly handle the organic matter. In terms of the design of the combustion chamber 7: it should be noted that the joint of the combustion chamber 7 and the biological purification chamber is provided with a gas permeable plate 6, and the gas permeable plate 6 is made of high temperature resistant and flame resistant materials. The function of the ventilation plate 6 is to prevent the biological purification chamber from being interfered by the combustion chamber 7, and the gas-collecting hood 4 should be made of high temperature resistant material. The fourth step, the waste gas through combustion chamber 7 gets into biological purification room through ventilative board 6, throws material hole 10 and drops into nutrient solution and water toward purification tank 8, and the purpose that sets up biological purification room is: the advantages of biological treatment are simple equipment, convenient operation, low investment, low operation cost, no secondary pollution, and capability of treating mixed gas containing different property components.
And finally, the waste gas enters a dry filtering chamber, a plurality of detachable filtering drawers 12 are arranged in the dry filtering chamber, a plurality of air holes are formed in the bottom surface of each filtering drawer 12, a plurality of filtering cotton is placed in each filtering drawer 12, the final waste gas is filtered by the filtering cotton, and the filtering cotton is replaced periodically.
The device solves the problem of incomplete treatment of the traditional coating waste gas.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. A coating production waste gas treatment tower which is characterized in that: the device comprises a fan chamber, a dry-method filter chamber, a biological purification chamber, a combustion chamber and a primary absorption chamber which are sequentially arranged from top to bottom, wherein a fixed bed is arranged in the primary absorption chamber, a plurality of activated carbons are arranged on the fixed bed, one side of the primary absorption chamber is communicated with a water vapor pipe, a gas collecting hood is communicated between the primary absorption chamber and the combustion chamber, one end of the gas collecting hood, which is close to the combustion chamber, is provided with a flame arrester, and one end of the primary absorption chamber, which is far away from the combustion chamber, is communicated with a dust removal mechanism;
one end of the combustion chamber, which is far away from the gas-collecting hood, is communicated with a biological purification chamber, a purification tank is arranged in the biological purification chamber, fixing rods fixedly connected with the inner wall of the biological purification chamber are arranged at two ends of the purification tank, a feeding hole is formed in the surface of the biological purification chamber, and a blocking plate can be detachably connected to one end of the biological purification chamber, which is close to the dry-method filter chamber;
one end of the dry filtering chamber is communicated with a fan chamber, the other end of the dry filtering chamber is communicated with a biological purification chamber, and a fan is arranged in the fan chamber.
2. The coating production waste gas treatment tower of claim 1, wherein: the activated carbon is coal activated carbon.
3. The coating production waste gas treatment tower of claim 1, wherein: the dust removal mechanism adopts dry dust removal equipment, in particular an oxygen bag dust remover.
4. The coating production waste gas treatment tower of claim 1, wherein: the joint of the combustion chamber and the biological purification chamber is provided with a ventilating plate, and the ventilating plate is made of high-temperature-resistant and flame-retardant materials.
5. The coating production waste gas treatment tower of claim 1, wherein: the fan adopts an axial flow type high-power fan.
6. The coating production waste gas treatment tower of claim 1, wherein: the dry method filter chamber is internally provided with a plurality of detachable filter drawers, the bottom surfaces of the filter drawers are provided with a plurality of air holes, and a plurality of filter cottons are arranged in the filter drawers.
7. The coating production waste gas treatment tower of claim 6, wherein: one side of the filtering drawer is fixedly connected with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022032246.0U CN213824074U (en) | 2020-09-17 | 2020-09-17 | Coating production waste gas treatment tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022032246.0U CN213824074U (en) | 2020-09-17 | 2020-09-17 | Coating production waste gas treatment tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213824074U true CN213824074U (en) | 2021-07-30 |
Family
ID=77004949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022032246.0U Expired - Fee Related CN213824074U (en) | 2020-09-17 | 2020-09-17 | Coating production waste gas treatment tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213824074U (en) |
-
2020
- 2020-09-17 CN CN202022032246.0U patent/CN213824074U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |