CN108686880B - Waste powder removing and recycling device for spraying - Google Patents
Waste powder removing and recycling device for spraying Download PDFInfo
- Publication number
- CN108686880B CN108686880B CN201710127315.6A CN201710127315A CN108686880B CN 108686880 B CN108686880 B CN 108686880B CN 201710127315 A CN201710127315 A CN 201710127315A CN 108686880 B CN108686880 B CN 108686880B
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- China
- Prior art keywords
- spraying
- chamber
- powder
- air suction
- dissolution
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- 239000000843 powder Substances 0.000 title claims abstract description 62
- 238000005507 spraying Methods 0.000 title claims abstract description 55
- 239000002699 waste material Substances 0.000 title claims abstract description 21
- 238000004064 recycling Methods 0.000 title claims abstract description 14
- 238000005303 weighing Methods 0.000 claims abstract description 33
- 238000004090 dissolution Methods 0.000 claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 25
- 238000002425 crystallisation Methods 0.000 claims abstract description 24
- 230000008025 crystallization Effects 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 3
- 238000007590 electrostatic spraying Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229940098458 powder spray Drugs 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a waste powder removing and recycling device for spraying, which is used for removing and recycling waste powder in a powder spraying chamber and comprises a powder sucking component, a spraying and dissolving chamber, a control console and a crystallization component. Compared with the prior art, the invention has the advantages of thorough dust collection, weighing and quantity keeping, accelerating dissolution and the like.
Description
Technical Field
The invention relates to the field of dust removal and recovery, in particular to a waste powder removal and recovery device for spraying.
Background
Electrostatic spraying is a method of spraying in which negatively charged paint particles are directionally moved in a direction opposite to an electric field by using a high-voltage electrostatic electric field, and the paint particles are adsorbed on the surface of a workpiece. The basic principle is that a high-voltage corona discharge electric field is formed between the spray gun and the workpiece, when powder particles are sprayed out from the spray gun opening and pass through the discharge area, a large amount of electrons are complemented into negatively charged particles, and the negatively charged particles are adsorbed onto the positively charged workpiece under the action of electrostatic attraction. When the powder is attached to a certain thickness, the effect of like-pole repulsion can be generated, and the powder can not be adsorbed again, so that the thickness of the powder layer of each part is uniform, and then the powder layer is leveled into a uniform film layer after heating, baking and curing. The powder electrostatic spraying device mainly comprises: the device comprises a powder spraying chamber, a high-voltage electrostatic generator, an electrostatic spraying gun, a powder feeder and a workpiece rotating mechanism.
However, in the existing powder recovery device, only the waste dust in the powder spraying chamber is sucked into the dissolution chamber by the suction fan to be dissolved, and then the powder is recovered by adopting a mode of crystal crystallization recovery and then powder preparation, but sometimes the sucked dust amount exceeds the dissolution amount of the dissolution chamber, so that part of the dust cannot be dissolved, recovered and discharged, and the waste of resources and the pollution to the environment are caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a waste powder removing and recycling device for spraying, which is thorough in dust collection, weighing, quantity keeping and dissolution accelerating.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a waste powder recovery unit is got rid of to spraying for get rid of and retrieve the inside waste powder of powder spray room, including inhale powder subassembly, spray dissolving room, control cabinet and with crystallization subassembly, the device still buffer weighing jar, powder spray room, inhale powder subassembly, buffer weighing jar, spray dissolving room and crystallization subassembly connect gradually, the control cabinet be connected with powder subassembly, buffer weighing jar and spray dissolving room respectively.
The powder suction assembly comprises an air suction cover arranged at one end of the powder spraying chamber, an air suction pipeline, a negative pressure fan arranged on the air suction pipeline and a blower arranged at the other end of the powder spraying chamber and arranged opposite to the air suction cover, wherein one end of the air suction pipeline is connected with the air suction cover, and the other end of the air suction pipeline is communicated with the buffer weighing tank.
The dust concentration detector, the negative pressure fan and the blower are respectively connected with the control console.
The buffer weighing tank comprises a tank body, a weighing instrument arranged at the bottom of the tank body and a fan arranged on the inner side wall of the tank body, wherein an inlet of the tank body is connected with an air suction pipeline, an electromagnetic valve is arranged at the inlet, an outlet of the tank body is connected with a spraying dissolution chamber, and the weighing instrument, the fan and the electromagnetic valve are respectively connected with a control console.
The spray dissolution chamber comprises a dissolution chamber body, and a stirring unit, a heating unit and a spray unit which are arranged in the dissolution chamber body, wherein an inlet of the dissolution chamber body is communicated with a buffer weighing tank, and an outlet of the dissolution chamber body is communicated with a crystallization component.
The stirring unit including installing at dissolving room body bottom central authorities' agitator motor and stirring rake, heating unit including heating power, heating switch and the electric heater strip who encircles in dissolving room body lateral wall that connects gradually, spray the unit including the dissolving liquid storage pot, hydrojet pipeline and the shower of setting at dissolving room body top that connect gradually, hydrojet pipeline on be equipped with the ooff valve, agitator motor, heating switch and ooff valve be connected with the control cabinet respectively.
The crystallization component comprises a crystallization chamber, a heater and a pulverizer, wherein the heater is arranged in the crystallization chamber, and the crystallization chamber is respectively communicated with the pulverizer and the spray dissolution chamber.
The dissolving chamber body is bell-shaped.
The inlet of the dissolving chamber body is provided with a filter screen.
The air suction cover is funnel-shaped and is arranged at the position of the lower part of the powder spraying chamber, which is close to the ground.
Compared with the prior art, the invention has the following advantages:
1. and (3) dust collection is thorough: according to the invention, the air suction covers and the blowers are respectively arranged on two opposite sides of the powder spraying chamber, the generated waste powder is thoroughly and thoroughly sucked away under the combined action of air suction and air blowing, and meanwhile, the air suction covers are funnel-shaped and are arranged at the lower part of the powder spraying chamber close to the ground, so that dust deposition is considered, and dust is removed more effectively.
2. Weighing and preserving: a buffer weighing tank is additionally arranged between the powder spraying chamber and the spray dissolving chamber, the weight of sucked dust is determined according to the dissolving amount of the spray dissolving chamber, whether the upper limit of the dissolving is exceeded or not is judged by weighing of a weighing instrument, and a fan is turned on or turned off to control the quality of the dust entering the spray dissolving chamber.
3. Accelerating dissolution: according to the invention, the stirring unit and the heating unit are arranged in the spray dissolution chamber at the same time, and the dissolution quantity of the solvent is increased by combining the stirring unit and the heating unit in a dissolution accelerating mode, so that dust is quickly dissolved, and the evaporation and crystallization process is accelerated.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The device comprises a powder spraying chamber (1), a dust concentration detector (11), a dissolving chamber body (21), a stirring paddle (22), an electric heating wire (23), a spray pipe (24), a tank body (31), a weighing instrument (32), a fan (33), a 41, an air suction cover (42), an air suction pipeline (43), a negative pressure fan (44) and a blower.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples.
Examples:
as shown in figure 1, the waste powder removing and recycling device for spraying is used for removing and recycling waste powder in a powder spraying chamber and comprises a powder sucking component, a spraying and dissolving chamber, a control console and a crystallization component, wherein the device is further provided with a buffer weighing tank, the powder spraying chamber 1, the powder sucking component, the buffer weighing tank, the spraying and dissolving chamber and the crystallization component are sequentially connected, and the control console is respectively connected with the powder sucking component, the buffer weighing tank and the spraying and dissolving chamber.
The powder suction assembly comprises an air suction cover 41 arranged at one end of the powder spraying chamber 1, an air suction pipeline 42, a negative pressure fan 43 arranged on the air suction pipeline 42 and a blower 44 arranged at the other end of the powder spraying chamber 1 and opposite to the air suction cover 41, wherein one end of the air suction pipeline 42 is connected with the air suction cover 41, the other end of the air suction pipeline is communicated with the buffer weighing tank, a dust concentration detector 11 is further arranged in the powder spraying chamber 1, and the dust concentration detector 11, the negative pressure fan 43 and the blower 44 are respectively connected with the control console.
The buffer weighing tank comprises a tank body 31, a weighing instrument 32 arranged at the bottom of the tank body 31 and a fan 33 arranged on the inner side wall of the tank body, wherein an inlet of the tank body 31 is connected with an air suction pipeline 42, an electromagnetic valve is arranged at the inlet, an outlet of the tank body 31 is connected with a spraying dissolution chamber, and the weighing instrument 32, the fan 33 and the electromagnetic valve are respectively connected with a control console.
The spray dissolving chamber comprises a dissolving chamber body 21, and a stirring unit, a heating unit and a spraying unit which are arranged inside the dissolving chamber body 21, wherein an inlet of the dissolving chamber body 21 is communicated with a buffer weighing tank, an outlet of the dissolving chamber body is communicated with a crystallization component, the stirring unit comprises a stirring motor and a stirring paddle 22 which are arranged at the center of the bottom of the dissolving chamber body 21, the heating unit comprises a heating power supply, a heating switch and an electric heating wire 23 which surrounds the side wall of the dissolving chamber body 21 and is sequentially connected, the spraying unit comprises a dissolving liquid storage tank, a liquid spraying pipeline and a spraying pipe 24 which is arranged at the top of the dissolving chamber body 21, a switching valve is arranged on the liquid spraying pipeline, and the stirring motor, the heating switch and the switching valve are respectively connected with a control console.
The crystallization component comprises a crystallization chamber, a heater and a pulverizer, wherein the heater is arranged in the crystallization chamber, and the crystallization chamber is respectively communicated with the pulverizer and the spray dissolution chamber.
The working principle of the invention is as follows:
after the powder spraying chamber finishes the powder spraying task, standing for a period of time to wait for dust deposition, the control console detects the dust concentration in the powder spraying chamber through the dust concentration detector 11, and controls and opens the negative pressure fan 43 and the blower 44, so that waste dust is sucked into the tank body 31 of the buffer weighing tank along with the suction pipe 42 and deposited to the bottom of the tank body 31, the weighing instrument 32 arranged at the bottom of the tank body 31 acquires the weight of the dust entering the tank body 31, when the weight reaches a set value of the dissolving amount of the spray dissolving chamber, the control console closes the electromagnetic valve of the suction pipe 42 at the inlet of the tank body 31, simultaneously opens the fan 33 on the inner side wall of the tank body, blows the deposited waste dust to the outlet of the tank body 31 and enters the spray dissolving chamber, at the moment, the control console opens the stirring motor, the heating switch and the switching valve to perform liquid adding, stirring and heating dissolving, and completely dissolving, then conveying the dust solution into the crystallization chamber to heat, evaporate and crystallize, pulverize the crystallized crystal through the pulverizer, and finally recycling.
Claims (7)
1. The device is characterized by also comprising a buffer weighing tank, wherein the powder spraying chamber (1), the powder sucking component, the buffer weighing tank, the spray dissolving chamber and the crystallization component are sequentially connected, and the control platform is respectively connected with the powder sucking component, the buffer weighing tank and the spray dissolving chamber;
the powder suction assembly comprises an air suction cover (41) arranged at one end of the powder spraying chamber (1), an air suction pipeline (42), a negative pressure fan (43) arranged on the air suction pipeline (42) and a blower (44) arranged at the other end of the powder spraying chamber (1) and opposite to the air suction cover (41), wherein one end of the air suction pipeline (42) is connected with the air suction cover (41), and the other end of the air suction pipeline is communicated with the buffer weighing tank;
a dust concentration detector (11) is further arranged in the powder spraying chamber (1), and the dust concentration detector (11), the negative pressure fan (43) and the blower (44) are respectively connected with the control console;
the buffer weighing tank comprises a tank body (31), a weighing instrument (32) arranged at the bottom of the tank body (31) and a fan (33) arranged on the inner side wall of the tank body, wherein an inlet of the tank body (31) is connected with an air suction pipeline (42), an electromagnetic valve is arranged at the inlet, an outlet of the tank body (31) is connected with a spraying dissolution chamber, and the weighing instrument (32), the fan (33) and the electromagnetic valve are respectively connected with a control console.
2. The waste powder removing and recycling device for spraying according to claim 1, wherein the spraying dissolution chamber comprises a dissolution chamber body (21), and a stirring unit, a heating unit and a spraying unit which are arranged inside the dissolution chamber body (21), wherein an inlet of the dissolution chamber body (21) is communicated with the buffer weighing tank, and an outlet of the dissolution chamber body is communicated with the crystallization component.
3. The waste powder removing and recycling device for spraying according to claim 2, wherein the stirring unit comprises a stirring motor and a stirring paddle (22) which are arranged at the bottom center of the dissolution chamber body (21), the heating unit comprises a heating power supply, a heating switch and an electric heating wire (23) which is wound in the side wall of the dissolution chamber body (21) and sequentially connected, the spraying unit comprises a dissolution liquid storage tank, a liquid spraying pipeline and a spraying pipe (24) which is arranged at the top of the dissolution chamber body (21) and sequentially connected, the liquid spraying pipeline is provided with a switch valve, and the stirring motor, the heating switch and the switch valve are respectively connected with a control console.
4. The device for recycling waste powder removed from spraying coating according to claim 1, wherein the crystallization assembly comprises a crystallization chamber, a heater and a pulverizer, the heater is arranged in the crystallization chamber, and the crystallization chamber is respectively communicated with the pulverizer and the spray dissolution chamber.
5. A waste powder removing and recycling apparatus for spraying as claimed in claim 2, wherein the dissolution chamber body (21) is bell-shaped.
6. The waste powder removing and recycling device for spraying according to claim 2, wherein a filter screen is arranged at the inlet of the dissolving chamber body (21).
7. The waste powder removing and recycling apparatus for spraying according to claim 1, wherein the suction hood (41) is funnel-shaped and is disposed at a lower portion of the powder spraying chamber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127315.6A CN108686880B (en) | 2017-03-06 | 2017-03-06 | Waste powder removing and recycling device for spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127315.6A CN108686880B (en) | 2017-03-06 | 2017-03-06 | Waste powder removing and recycling device for spraying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108686880A CN108686880A (en) | 2018-10-23 |
| CN108686880B true CN108686880B (en) | 2023-11-21 |
Family
ID=63841892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710127315.6A Active CN108686880B (en) | 2017-03-06 | 2017-03-06 | Waste powder removing and recycling device for spraying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108686880B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5078084A (en) * | 1990-04-16 | 1992-01-07 | Nordson Corporation | Powder coating system |
| CN201669032U (en) * | 2010-04-29 | 2010-12-15 | 中国水利水电第二工程局有限公司 | Negative pressure type spray purifying and dedusting system |
| CN203944499U (en) * | 2014-07-04 | 2014-11-19 | 天津市雍华科技有限公司 | A kind of electrostatic spraying powder retracting device |
| CN206587967U (en) * | 2017-03-06 | 2017-10-27 | 上海强精金属制品有限公司 | One kind spraying useless powder reclaiming device of removal |
-
2017
- 2017-03-06 CN CN201710127315.6A patent/CN108686880B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5078084A (en) * | 1990-04-16 | 1992-01-07 | Nordson Corporation | Powder coating system |
| CN201669032U (en) * | 2010-04-29 | 2010-12-15 | 中国水利水电第二工程局有限公司 | Negative pressure type spray purifying and dedusting system |
| CN203944499U (en) * | 2014-07-04 | 2014-11-19 | 天津市雍华科技有限公司 | A kind of electrostatic spraying powder retracting device |
| CN206587967U (en) * | 2017-03-06 | 2017-10-27 | 上海强精金属制品有限公司 | One kind spraying useless powder reclaiming device of removal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108686880A (en) | 2018-10-23 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240314 Address after: 201802, Room 201, Building 2, No. 650 Jiamei Road, Nanxiang Town, Jiading District, Shanghai Patentee after: Shanghai Xinchi Qiangjing Automation Technology Co.,Ltd. Country or region after: China Address before: No. 888, Dehua Road, Nanxiang Town, Jiading District, Shanghai, 201802 Patentee before: SHANGHAI QIANGJING METAL PRODUCT Co.,Ltd. Country or region before: China |