CN110813054A - Device for treating redundant paint mist after workpiece blacking - Google Patents
Device for treating redundant paint mist after workpiece blacking Download PDFInfo
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- CN110813054A CN110813054A CN201911335692.4A CN201911335692A CN110813054A CN 110813054 A CN110813054 A CN 110813054A CN 201911335692 A CN201911335692 A CN 201911335692A CN 110813054 A CN110813054 A CN 110813054A
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- Prior art keywords
- paint mist
- tower
- blackening
- filtering mechanism
- air inlet
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Links
- 239000003595 mist Substances 0.000 title claims abstract description 32
- 239000003973 paint Substances 0.000 title claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 40
- 238000010521 absorption reaction Methods 0.000 claims abstract description 18
- 238000006303 photolysis reaction Methods 0.000 claims abstract description 13
- 230000015843 photosynthesis, light reaction Effects 0.000 claims abstract description 13
- 238000000746 purification Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000011943 nanocatalyst Substances 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 8
- 229910021536 Zeolite Inorganic materials 0.000 claims description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- 238000010828 elution Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 8
- 231100000331 toxic Toxicity 0.000 abstract description 6
- 230000002588 toxic effect Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009298 carbon filtering Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
Abstract
The invention discloses a device for treating redundant paint mist after workpieces are blackened, which comprises an indoor filtering mechanism and an outdoor filtering mechanism, wherein the outdoor filtering mechanism comprises a purifying tower, a drying box, an absorption tower, a plasma photolysis purifier and an outdoor fan which are sequentially connected according to an air inlet sequence; and the air inlet of the purification tower is connected with the outlet of the indoor fan of the indoor filtering mechanism. The invention provides paint mist generated by special blackening liquid in an automatic workpiece blackening device, reduces the pollution of toxic and harmful blackening liquid to the environment and the harm to operators, and meets the requirement of environmental protection. The invention adopts a multi-stage filtration method, applies different filtration principles, and respectively arranges the filtration systems indoors and outdoors to realize the thorough treatment of the redundant paint mist.
Description
Technical Field
The invention belongs to the field of chemical raw material treatment and environmental protection after a special processing process, and particularly relates to a device for treating redundant paint mist after a workpiece is blackened.
Background
The workpiece blackening device is a device for spraying an annular area on the upper surface of a workpiece. The spraying process needs to use blackening liquid, the raw material of the blackening liquid is a toxic and harmful substance, paint mist can be generated in the spraying process, and if the paint mist is not treated, the pollution to the environment and the harm to operators can be caused. The blackening liquor is relatively viscous and difficult to remove with conventional filters. The original induced draft filtering system is simple filtering cotton and activated carbon, and the special blackening liquid is not easy to remove. If the filtration is not thorough, the excessive paint mist can be discharged into the atmosphere to cause environmental pollution.
Therefore, a special redundant paint mist treatment system is needed to be developed, redundant harmful gas after blackening is thoroughly decomposed and treated and then discharged, and the environmental protection requirement is met.
Disclosure of Invention
The invention is provided for overcoming the defects in the prior art, and aims to provide a device for treating redundant paint mist after a workpiece is blackened.
The invention is realized by the following technical scheme:
the device for treating the redundant paint mist after the workpiece is blackened comprises an indoor filtering mechanism and an outdoor filtering mechanism, wherein the outdoor filtering mechanism comprises a purifying tower, a drying box, an absorption tower, a plasma photolysis purifier and an outdoor fan which are sequentially connected according to an air inlet sequence; and the air inlet of the purification tower is connected with the outlet of the indoor fan of the indoor filtering mechanism.
In the technical scheme, the purification tower is an elution tower, the inside of the purification tower is sprayed with NaOH solution, the lower part of the side wall of the purification tower is provided with an air inlet, and the top of the purification tower is provided with an air outlet.
In the technical scheme, an activated carbon filter layer, a graphite powder filter layer and a zeolite powder filter layer are sequentially arranged in the absorption tower from top to bottom; the lower part of the side wall of the absorption tower is provided with an air inlet, and the top of the side wall of the absorption tower is provided with an air outlet.
In the technical scheme, the plasma photolysis purifier comprises a cavity, and a high-energy lamp tube, a nano catalyst layer and a filter layer are sequentially arranged in the cavity along the airflow direction.
In the above technical scheme, the high-energy lamp tube is fixed on the side wall of the cavity through the mounting plate and the screw.
In the above technical scheme, the nano catalyst layer comprises a honeycomb device fixed in the cavity through a flange and a screw, and a nano catalyst filled in the pore system of the honeycomb device.
In the above technical scheme, the filter layer is made of filter cotton.
The invention has the beneficial effects that:
the invention provides a device for treating excess paint mist generated after workpieces are blackened, which is used for treating the paint mist generated by special blackening liquid in an automatic workpiece blackening device, reducing the pollution of the paint mist of toxic and harmful blackening liquid to the environment and the harm to operators and meeting the requirement of environmental protection. The invention adopts a multi-stage filtration method, applies different filtration principles, and respectively arranges the filtration systems indoors and outdoors to realize the thorough treatment of the redundant paint mist.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of an absorption column in the present invention;
FIG. 3 is a schematic diagram of the structure of the plasma photolysis purifier according to the present invention;
FIG. 4 is a schematic view of a partial structure of the honeycomb apparatus of the present invention.
Wherein:
1 indoor filtering mechanism
2 outdoor filtering mechanism
3 purifying tower
4 drying cabinet
5 absorption tower
51 air outlet 52 active carbon filter layer
53 graphite powder filter layer 54 zeolite powder filter layer
55 air inlet
6 plasma photolysis purifier
61 cavity 62 high-energy lamp tube
63 mounting plate 64 nanometer catalyst layer
65 Filter layer 641 honeycomb device
7 outdoor fan.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the electric radioactive contamination decontamination device and the emergency support system of the present invention are further described below by referring to the drawings of the specification and the specific embodiments.
As shown in fig. 1, the device for treating the excess paint mist after the workpiece is blackened comprises an indoor filtering mechanism 1, and is characterized in that: the device also comprises an outdoor filtering mechanism 2, wherein the outdoor filtering mechanism 2 comprises a purifying tower 3, a drying box 4, an absorption tower 5, a plasma photolysis purifier 6 and an outdoor fan 7 which are sequentially connected according to an air inlet sequence; and the air inlet of the purification tower 3 is connected with the outlet of the indoor fan of the indoor filtering mechanism 1.
The purifying tower 3 is an elution tower, the inside of the purifying tower is sprayed with NaOH solution, the lower part of the side wall is provided with an air inlet, and the top of the purifying tower is provided with an air outlet.
As shown in fig. 2, an activated carbon filter layer 52, a graphite powder filter layer 53 and a zeolite powder filter layer 54 are sequentially arranged in the absorption tower 5 from top to bottom; the lower part of the side wall of the absorption tower 5 is provided with an air inlet 55, and the top is provided with an air outlet 51.
As shown in fig. 3, the plasma photolysis purifier 6 includes a chamber 61, and a high-energy lamp 62, a nano-catalyst layer 64 and a filter layer 65 are sequentially disposed inside the chamber 61 along an airflow direction.
The high-energy lamp tube 62 is fixed on the side wall of the cavity 61 through a mounting plate 63 and screws.
The nano-catalyst layer 64 includes a honeycomb unit 641 fixed in the cavity 61 by flanges and screws, and a nano-catalyst filled in the pore system of the honeycomb unit 641.
As shown in fig. 4, the honeycomb unit 641 is a substrate with honeycomb pores and blocking nets disposed on two end surfaces of the substrate, and the blocking nets can prevent the nano-catalyst inside the honeycomb unit 641 from scattering and ensure the normal passage of the exhaust gas.
The nano catalyst is titanium dioxide.
The filter layer 65 is filter cotton.
The use method of the invention comprises the following steps:
the indoor filtering mechanism 1 adopts two-stage filtering, the first stage adopts filter cotton, the second stage adopts high-performance activated carbon, paint mist is fully purified under the filtering action of the filter cotton 8 and the adsorption action of the high-performance activated carbon, flows out from an indoor fan outlet, enters a ventilation main pipeline, and then enters the outdoor filtering mechanism 2.
The waste gas treated by the indoor filtering mechanism 1 enters the purifying tower 3 through the main pipe for purification, fully mixed with the NaOH solution sprayed in the purifying tower 3 and reacted, the paint mist is discharged from the top outlet after being purified, and then dehydrated by the drying box 4, enters the absorption tower 5, sequentially passes through the zeolite powder filtering layer 54, the graphite powder filtering layer 53 and the active carbon filtering layer 52 in the absorption tower 5 from bottom to top to effectively adsorb toxic and harmful gases, and then is discharged from the top gas outlet 51, enters the plasma photolysis purifier 6, the waste gas enters the inner cavity of the plasma photolysis purifier 6, the waste gas 13 is decomposed under the irradiation of high-energy light beams emitted by the high-energy lamp tube 62 arranged in the inner cavity by the catalytic action of the nano photocatalyst in the nano catalyst layer 64, the gas 18 is further filtered by the filtering layer 65, and then is discharged from the gas outlet through the pipeline after the suction action of the outdoor fan 7, and finishing the treatment process of the redundant paint mist.
The invention provides a device for treating redundant paint mist after a workpiece is blacked, which effectively reduces the pollution of toxic and harmful gas generated by an automatic workpiece blacking device during working to the environment and the harm to operators; the special blackening liquid which cannot be removed by a conventional single filter is effectively removed, the harmful paint mist can be thoroughly treated, and the environmental protection requirement is met.
The indoor filtering mechanism adopts two-stage filtering, the first stage adopts filter cotton, the second stage adopts high-performance activated carbon, and paint mist is fully purified under the filtering action of the filter cotton and the adsorption action of the high-performance activated carbon and flows out through an indoor fan outlet. The indoor filtering mechanism of the invention adopts a ventilation and paint mist treatment device in the automatic workpiece blackening device provided by the patent No. 201610910961.
An outdoor filtering mechanism is added outdoors, and the redundant harmful gas is treated by a purifying tower, an absorption tower and a plasma photolysis purifier and then discharged. The principle of the purification tower is that waste gas is fully mixed with NaOH solution in the tower and reacts, and paint mist is purified, dehydrated and discharged; the absorption tower is a new generation product of activated carbon powder and granular activated carbon, and has the advantages of large filtration section, long service life and strong adsorption capacity, and can effectively adsorb toxic and harmful gases; the plasma photolysis purifier removes special black liquor paint mist which cannot be removed by a purification tower and an absorption tower, and decomposes the special black liquor by using the principles of plasma decomposition and efficient catalyst with efficient light beams so as to achieve the aim of thorough purification.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.
Claims (7)
1. The utility model provides a surplus coating cloud processing apparatus after work piece blackens, includes indoor filter mechanism (1), its characterized in that: the device is characterized by also comprising an outdoor filtering mechanism (2), wherein the outdoor filtering mechanism (2) comprises a purification tower (3), a drying box (4), an absorption tower (5), a plasma photolysis purifier (6) and an outdoor fan (7) which are sequentially connected according to an air inlet sequence; and the air inlet of the purification tower (3) is connected with the outlet of the indoor fan of the indoor filtering mechanism (1).
2. The apparatus for treating excess paint mist after blackening a workpiece according to claim 1, wherein: the purifying tower (3) is an elution tower, the inside of the purifying tower is sprayed with NaOH solution, the lower part of the side wall is provided with an air inlet, and the top of the purifying tower is provided with an air outlet.
3. The apparatus for treating excess paint mist after blackening a workpiece according to claim 1, wherein: an active carbon filter layer (52), a graphite powder filter layer (53) and a zeolite powder filter layer (54) are sequentially arranged in the absorption tower (5) from top to bottom; the lower part of the side wall of the absorption tower (5) is provided with an air inlet (55), and the top of the side wall is provided with an air outlet (51).
4. The apparatus for treating excess paint mist after blackening a workpiece according to claim 1, wherein: the plasma photolysis purifier (6) comprises a cavity (61), wherein a high-energy lamp tube (62), a nano-catalyst layer (64) and a filter layer (65) are sequentially arranged in the cavity (61) along the airflow direction.
5. The apparatus for treating excess paint mist after blackening a workpiece according to claim 4, wherein: the high-energy lamp tube (62) is fixed on the side wall of the cavity (61) through a mounting plate (63) and a screw.
6. The apparatus for treating excess paint mist after blackening a workpiece according to claim 4, wherein: the nano-catalyst layer (64) comprises a honeycomb device (641) fixed in the cavity (61) through flanges and screws, and nano-catalysts filled in the hole systems of the honeycomb device (641).
7. The apparatus for treating excess paint mist after blackening a workpiece according to claim 4, wherein: the filter layer (65) is made of filter cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911335692.4A CN110813054A (en) | 2019-12-23 | 2019-12-23 | Device for treating redundant paint mist after workpiece blacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911335692.4A CN110813054A (en) | 2019-12-23 | 2019-12-23 | Device for treating redundant paint mist after workpiece blacking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110813054A true CN110813054A (en) | 2020-02-21 |
Family
ID=69546151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911335692.4A Pending CN110813054A (en) | 2019-12-23 | 2019-12-23 | Device for treating redundant paint mist after workpiece blacking |
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| CN (1) | CN110813054A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10113538A (en) * | 1996-10-10 | 1998-05-06 | Nissin Electric Co Ltd | Discharge gas treatment device used in combination with photocatalyst |
| CN106178945A (en) * | 2016-09-21 | 2016-12-07 | 东莞市金森工业机械有限公司 | A kind of plasma light catalytic control equipment |
| CN207708800U (en) * | 2017-12-15 | 2018-08-10 | 山东润能环保科技有限公司 | A kind of paint mist treatment system |
| CN207914009U (en) * | 2018-01-24 | 2018-09-28 | 宁夏三瑞机械环保设备有限公司 | A kind of lacquer spraying waste gas processing system |
| CN208512194U (en) * | 2018-08-01 | 2019-02-19 | 保家环境建设有限公司 | A kind of lacquer spraying waste gas processing equipment |
| CN109499329A (en) * | 2019-01-03 | 2019-03-22 | 永康市恒久涂装设备有限公司 | A kind of water paint emission-control equipment and technique |
| CN211635956U (en) * | 2019-12-23 | 2020-10-09 | 中核新科（天津）精密机械制造有限公司 | Surplus paint mist processing apparatus after work piece blackens |
-
2019
- 2019-12-23 CN CN201911335692.4A patent/CN110813054A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10113538A (en) * | 1996-10-10 | 1998-05-06 | Nissin Electric Co Ltd | Discharge gas treatment device used in combination with photocatalyst |
| CN106178945A (en) * | 2016-09-21 | 2016-12-07 | 东莞市金森工业机械有限公司 | A kind of plasma light catalytic control equipment |
| CN207708800U (en) * | 2017-12-15 | 2018-08-10 | 山东润能环保科技有限公司 | A kind of paint mist treatment system |
| CN207914009U (en) * | 2018-01-24 | 2018-09-28 | 宁夏三瑞机械环保设备有限公司 | A kind of lacquer spraying waste gas processing system |
| CN208512194U (en) * | 2018-08-01 | 2019-02-19 | 保家环境建设有限公司 | A kind of lacquer spraying waste gas processing equipment |
| CN109499329A (en) * | 2019-01-03 | 2019-03-22 | 永康市恒久涂装设备有限公司 | A kind of water paint emission-control equipment and technique |
| CN211635956U (en) * | 2019-12-23 | 2020-10-09 | 中核新科（天津）精密机械制造有限公司 | Surplus paint mist processing apparatus after work piece blackens |
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