CN112871597B - Gas purifying device for paint drying equipment - Google Patents
Gas purifying device for paint drying equipment Download PDFInfo
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- CN112871597B CN112871597B CN202011604319.7A CN202011604319A CN112871597B CN 112871597 B CN112871597 B CN 112871597B CN 202011604319 A CN202011604319 A CN 202011604319A CN 112871597 B CN112871597 B CN 112871597B
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- shell
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- gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- 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
- B01D46/0052—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
- B01D46/0056—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with rotational movement
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- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a gas purifying device for paint drying equipment, which comprises: the heat-conducting device comprises a cylindrical shell, wherein one end of the shell is an air inlet pipe, the other end of the shell is an air outlet end, one side of the shell is a heat-conducting area, other parts of the shell are non-heat-conducting areas, and the heat-conducting areas are made of materials with better heat-conducting performance than the non-heat-conducting areas; the rotary cylinder is arranged in the shell in a rotating mode through the rotating shaft and is close to the air inlet end, the rotating shaft is located on the axis of the shell, the inside of the rotary cylinder is divided into a plurality of mutually independent fan-shaped sealing spaces through a plurality of partition boards, magnetic fluid is filled in the sealing spaces, a semicircular shielding plate is arranged below the rotary cylinder, the shielding plate is located on one side close to the heat conduction area and made of non-heat conduction materials, and a permanent magnet is arranged outside the shell. And part of the heat of the gas is absorbed by the magnetic fluid and is finally converted into the kinetic energy of the rotating cylinder, so that the problem of the gas is reduced, and the subsequent filtering treatment is facilitated.
Description
Technical Field
The invention belongs to the technical field of gas purification, and particularly relates to a gas purification device for paint drying equipment.
Background
The use of paints is very widespread, which plays an increasingly important role in our lives and works, and the paint needs to be dried after use. Paint drying equipment volatilizes and produces a large amount of poisonous gas in the stoving in-process, need adopt corresponding gas purification device to purify it, and main poisonous component is formaldehyde in the paint volatilize gas, generally adopts activated carbon adsorption purification.
Unlike the toxic gas generated by the direct volatilization of paint, the gas generated during drying has high temperature and contains a large amount of heat; directly reacts with the activated carbon, and can influence the adsorption efficiency of the activated carbon; if the cooling device is adopted for cooling treatment and then purification, the operation is complicated, the cost is high, and a large amount of heat in the waste gas is wasted.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a gas purifying device for paint drying equipment.
The invention provides a gas purifying device for paint drying equipment, which comprises:
the heat-conducting device comprises a cylindrical shell, wherein one end of the shell is an air inlet end, the other end of the shell is an air outlet end, one side of the shell is a heat-conducting area, other parts of the shell are non-heat-conducting areas, and the heat-conducting areas are made of materials with better heat-conducting performance than the non-heat-conducting areas;
the rotary cylinder is rotationally arranged in the shell through a rotary shaft, the rotary cylinder is close to the air inlet end, the rotary shaft is positioned on the axis of the shell, the interior of the rotary cylinder is divided into a plurality of mutually independent fan-shaped sealing spaces through a plurality of partition boards, magnetic fluid is filled in the sealing spaces, a semicircular shielding plate is arranged below the rotary cylinder, the shielding plate is positioned at one side close to the heat conduction area and is made of a non-heat conduction material, a permanent magnet is arranged outside the shell, and the permanent magnet is arranged between the heat conduction area and the non-heat conduction area;
the filter disc is fixedly sleeved on the rotating shaft and is close to the air outlet end;
the ventilation pipes penetrate through the rotating cylinder up and down, and the quantity of the ventilation pipes penetrating through each sealing space is the same.
Preferably, the filter disc is internally honeycomb-shaped, and is internally provided with activated carbon.
Preferably, the side of the outer shell is fixedly provided with a mounting tube, the permanent magnet is arranged in the mounting tube in a sealing sliding manner, the air inlet end is internally provided with an evaporation tube, and evaporation liquid with the boiling point of 40 ℃ is arranged in the evaporation tube and is communicated with the outer end of the mounting tube.
Preferably, a rotating roller is rotatably mounted on the inner wall of the shell, and the rotating roller is in rolling contact with the rotating cylinder.
Preferably, the rotating shafts are arranged at two ends of the rotating roller, a rotating groove matched with the rotating shaft in a rotating mode is formed in the shell, a mounting groove is formed in the side wall of the rotating groove, an extrusion block made of magnetic metal is arranged in the mounting groove in a sliding mode, one side of the extrusion block is connected with the end wall of the mounting groove through a spring, and a friction plate is connected to the other side of the extrusion block.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, a part of heat of the gas is absorbed by the magnetic fluid and is finally converted into kinetic energy of the rotating cylinder, thereby reducing the problem of the gas and facilitating the subsequent filtering treatment; meanwhile, the filter disc also rotates along with the rotating cylinder, only one side of the shell is provided with gas to flow through due to the arrangement of the shielding plate, and only half of the filter plate is penetrated by the gas, and the filter disc can rotate, so that the gas is filtered alternately at two sides of the filter disc, and the problem of reduced filtering efficiency caused by the fact that the same area is continuously filtered and the temperature is too high is avoided;
2. the optimal reaction temperature of the activated carbon is about 40 ℃, when the gas temperature is higher than 40 ℃, a large amount of gas is generated by the low-temperature evaporating liquid and enters the installation tube, so that the permanent magnet is pushed to move to one side close to the shell, the rotating cylinder is further enabled to receive larger magnetic force, the rotating cylinder can rotate more quickly, the heat dissipation effect is improved, and when the gas temperature is lower than 40 ℃, the permanent magnet is located at a position far away from the shell, and the rotating cylinder rotates at a low speed.
Drawings
FIG. 1 is a schematic diagram showing a vertical cross-sectional structure of a gas purifying device for paint drying equipment according to the present invention;
FIG. 2 is a schematic view of a horizontal cross-section structure of a gas purifying device for paint drying equipment according to the present invention;
FIG. 3 is a schematic diagram showing a vertical cross-section structure of a gas purifying device for paint drying equipment according to the present invention;
FIG. 4 is an enlarged view of a portion of the structure of FIG. 3;
fig. 5 is an enlarged view of the structure at a in fig. 4.
In the figure: 1 a shell, 2 an air inlet end, 3 an air outlet end, 4 a heat transfer area, 5 a rotary cylinder, 6 a partition plate, 7 a sealing space, 8 a vent pipe, 9 a rotary shaft, 10 a shielding plate, 11 a permanent magnet, 12 a mounting pipe, 13 a evaporating pipe, 14 a rotary roller, 15 a rotary shaft, 16 a mounting groove, 17 a spring, 18 a squeezing block, 19 a friction plate and 20 a filter disc.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 5, a gas cleaning device for paint drying apparatus, comprising:
the heat-conducting shell comprises a cylindrical shell body 1, wherein one end of the shell body 1 is an air inlet end 2, the other end of the shell body 1 is an air outlet end 3, one side of the shell body 1 is a heat-conducting area 4, other parts of the shell body are non-heat-conducting areas 4, and the heat-conducting areas 4 are made of materials with better heat-conducting performance than the non-heat-conducting areas 4;
the rotary cylinder 5 is rotatably arranged in the shell 1 through a rotary shaft 9, the rotary cylinder 5 is close to the air inlet end 2, the rotary shaft 9 is positioned on the axis of the shell 1, the interior of the rotary cylinder 5 is divided into a plurality of mutually independent fan-shaped sealing spaces 7 through a plurality of partition boards 6, magnetic fluid is filled in the sealing spaces 7, a semicircular shielding plate 10 is arranged below the rotary cylinder 5, the shielding plate 10 is positioned at one side close to the heat conduction area 4 and is made of a non-heat conduction material, a permanent magnet 11 is arranged outside the shell 1, and the permanent magnet 11 is arranged between the heat conduction area 4 and the non-heat conduction area 4;
the filter disc 20 is of a honeycomb structure in the filter disc 20, active carbon is arranged in the filter disc 20, and the filter disc 20 is fixedly sleeved on the rotating shaft 9 and is close to the air outlet end 3;
the vent pipes 8, a plurality of vent pipes 8 run through the rotary cylinder 5 from top to bottom and the number of the vent pipes 8 passing through each sealed space 7 is the same.
In the embodiment of the above technical solution, the gas generated by the paint drying device enters the housing 1 through the air inlet end 2, and due to the limitation of the shielding plate 10, the gas only can penetrate the vent pipe 8 at the non-shielding position of the rotating cylinder 5, and when the gas passes through the vent pipe 8, part of heat is transferred to the magnetic fluid, so that the temperature of the magnetic fluid at one side of the rotating cylinder 5 where the shielding plate 10 is not arranged is higher than that at the other side, and according to the characteristics of the magnetic fluid, the higher the temperature, the lower the magnetization intensity of the cup is, and then the magnetic fluid at the other side is less than that at the other side under the action of the magnetic force of the permanent magnet 11, and then the magnetic attraction force of the permanent magnet 11 to the two sides of the rotating cylinder 5 is different, so that the rotating cylinder 5 rotates; the magnetic fluid transferred to the upper part of the shielding plate 10 is not heated, and the cooling rate is increased closer to the heat transfer area 4, so that the temperature is rapidly reduced, the magnetic fluid transferred to the other side is rapidly increased due to the heat receiving, and further the temperature difference at two sides is always present, so that the rotating cylinder 5 can continuously rotate, and meanwhile, the filter disc 20 is driven to rotate;
in the process, a part of heat of the gas is absorbed by the magnetic fluid and is finally converted into kinetic energy of the rotary cylinder 5, so that the problem of the gas is reduced, and the subsequent filtering treatment is facilitated; meanwhile, the filter disc 20 also rotates along with the rotary cylinder 5, and due to the arrangement of the shielding plate 10, only one side of the shell 1 is provided with gas to flow through, and then only half of the filter plates are penetrated by the gas, and the filter disc 20 can rotate, so that the two sides of the filter disc 20 alternately filter the gas, and the problems of continuous filtration in the same area and reduced filtration efficiency caused by overhigh temperature are avoided.
In the preferred technical scheme in the embodiment, the side edge of the outer shell 1 is fixedly provided with a mounting pipe 12, the permanent magnet 11 is arranged in the mounting pipe 12 in a sealing sliding manner, the air inlet end 2 is internally provided with an evaporation pipe 13, and the evaporation pipe 13 is internally provided with an evaporation liquid with the boiling point of 40 ℃ and is communicated with the outer end of the mounting pipe 12; because the optimal reaction temperature of the activated carbon is about 40 ℃, when the gas temperature is higher than 40 ℃, the activated carbon needs to be cooled, otherwise, cooling treatment is not needed, when the gas temperature is higher than 40 ℃, a large amount of gas is generated by low-temperature evaporating liquid and enters the mounting tube 12, so that the permanent magnet 11 is pushed to move to the side close to the shell 1, the rotating cylinder 5 is further subjected to larger magnetic force, and when the gas temperature is lower than 40 ℃, the permanent magnet 11 is positioned at a position far away from the shell 1.
In the alternative technical scheme in the embodiment, a rotating roller 14 is rotatably arranged on the inner wall of the shell 1, and the rotating roller 14 is in rolling contact with the rotating cylinder 5; by providing the rotating roller 14, the friction force between the rotating cylinder 5 and the inner wall of the shell 1 can be reduced; according to a further preferred technical scheme, rotating shafts 15 are arranged at two ends of a rotating roller 14, a rotating groove which is matched with the rotating shafts 15 in a rotating way is formed in a shell 1, a mounting groove 16 is formed in the side wall of the rotating groove, an extrusion block 18 made of magnetic metal is arranged in the mounting groove 16 in a sliding way, one side of the extrusion block 18 is connected with the end wall of the mounting groove 16 through a spring 17, and a friction plate 19 is connected with the other side of the extrusion block; specifically, when the permanent magnet 11 is located at a side close to the housing 1, the permanent magnet has a larger attractive force to the extrusion block 18, so that the extrusion block 18 is received in the mounting groove 16 and cannot limit the rotation of the rotating shaft 15, when the permanent magnet 11 is far away from the housing 1, the magnetic force received by the extrusion block 18 is reduced, and the friction plate 19 is pressed against the rotating shaft 15 under the action of the spring 17, so that the rotation of the rotating roller 14 and the rotation of the rotating cylinder 5 are limited.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (4)
1. A gas cleaning device for paint drying apparatus, comprising:
the heat-conducting shell comprises a cylindrical shell body (1), wherein one end of the shell body (1) is an air inlet end (2), the other end of the shell body is an air outlet end (3), one side of the shell body (1) is a heat-conducting area (4), other parts of the shell body are non-heat-conducting areas, and the heat-conducting area (4) is made of a material with better heat-conducting performance than the non-heat-conducting area;
the rotary cylinder (5), the rotary cylinder (5) is rotationally configured in the shell (1) through a rotary shaft (9) and is close to an air inlet end (2), the rotary shaft (9) is positioned on the axis of the shell (1), the interior of the rotary cylinder (5) is divided into a plurality of mutually independent fan-shaped sealing spaces (7) through a plurality of partition boards (6), magnetic fluid is filled in the sealing spaces (7), a semicircular shielding plate (10) is arranged below the rotary cylinder (5), the shielding plate (10) is positioned on one side close to a heat conduction area (4) and is made of a non-heat conduction material, a permanent magnet (11) is configured on the outer side of the shell (1), and the permanent magnet (11) is arranged between the heat conduction area (4) and the non-heat conduction area;
the filter disc (20) is fixedly sleeved on the rotating shaft (9) and is close to the air outlet end (3);
the ventilation pipes (8) are arranged up and down through the rotating cylinder (5), and the number of the ventilation pipes (8) penetrating through each sealing space (7) is the same;
the side of the shell (1) is fixedly provided with a mounting pipe (12), the permanent magnet (11) is arranged in the mounting pipe (12) in a sealing sliding manner, the air inlet end (2) is internally provided with an evaporation pipe (13), and the evaporation pipe (13) is internally provided with an evaporation liquid with the boiling point of 40 ℃ and is communicated with the outer end of the mounting pipe (12).
2. A gas cleaning device for paint drying apparatus according to claim 1, wherein the filter tray (20) has a honeycomb structure inside and activated carbon is provided inside.
3. A gas cleaning device for paint drying apparatus according to claim 1, wherein a rotating roller (14) is rotatably mounted on the inner wall of the housing (1), the rotating roller (14) being in rolling contact with the rotating cylinder (5).
4. A gas purification device for paint drying equipment according to claim 3, wherein the rotating shafts (15) are arranged at two ends of the rotating roller (14), a rotating groove for rotating the rotating shaft (15) is formed in the shell (1), a mounting groove (16) is formed in the side wall of the rotating groove, an extrusion block (18) made of magnetic metal is arranged in the mounting groove (16) in a sliding mode, one side of the extrusion block (18) is connected with the end wall of the mounting groove (16) through a spring (17), and a friction plate (19) is connected to the other side of the extrusion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011604319.7A CN112871597B (en) | 2020-12-30 | 2020-12-30 | Gas purifying device for paint drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011604319.7A CN112871597B (en) | 2020-12-30 | 2020-12-30 | Gas purifying device for paint drying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112871597A CN112871597A (en) | 2021-06-01 |
| CN112871597B true CN112871597B (en) | 2023-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011604319.7A Active CN112871597B (en) | 2020-12-30 | 2020-12-30 | Gas purifying device for paint drying equipment |
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| CN (1) | CN112871597B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207887494U (en) * | 2018-01-22 | 2018-09-21 | 上海贝恒人居建设集团有限公司 | A kind of apparatus for baking of water paint production line |
| CN111671332A (en) * | 2020-06-08 | 2020-09-18 | 黄纪猛 | Self-stirring type beverage brewing cup with temperature control function |
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2020
- 2020-12-30 CN CN202011604319.7A patent/CN112871597B/en active Active
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| CN112871597A (en) | 2021-06-01 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20230612 Address after: 272600 Economic Development Zone, Liangshan County, Jining City, Shandong Province (Wali) Applicant after: Shandong Qicai coating Co.,Ltd. Address before: 213172 No.3, Changcao Road, Wujin District, Changzhou City, Jiangsu Province Applicant before: Yao Dehao |
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