CN1024907C - Recovery separator for powder spray - Google Patents
Recovery separator for powder spray Download PDFInfo
- Publication number
- CN1024907C CN1024907C CN91108105A CN91108105A CN1024907C CN 1024907 C CN1024907 C CN 1024907C CN 91108105 A CN91108105 A CN 91108105A CN 91108105 A CN91108105 A CN 91108105A CN 1024907 C CN1024907 C CN 1024907C
- Authority
- CN
- China
- Prior art keywords
- powder
- spray booth
- inspissator
- main
- airflow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/45—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths using cyclone separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/48—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths specially adapted for particulate material
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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
Abstract
The present invention relates to a powder recovery device in a powder spraying system, which comprises a spraying chamber of which the side surface sucks air, a main recover device for one-time cyclonic separation, and a concentrator which is provided with a small blower for two-time cyclonic separation, wherein an airflow classifier is arranged between the main recovery device and the concentrator. A slag discharging pump is arranged at the lower part of the classifier for removing impurities, fine grains separated by the concentrator return to the main recovery device through a tail gas pipe at the top for reparation again. By adopting full-airflow continuous automatic powder conveying and slag removal, the device has the advantages of fluent airflow, favorable separation effect, high recovery efficiency, high utilization rate of recovered powder, convenient purification and color change, no overflow of dust, and improved spraying work environment.
Description
The invention relates to the powder recovering device in the powder spraying system, particularly about using cyclone separator to carry out this class device of Powder Recovery.
Have the powder of 20-50% to fail to coat on the workpiece in the powder spraying process approximately and suspend or be scattered in the powder spraying chamber, this part powder needs by retracting device wherein available powder to be separated again and utilizes.BP 8515634 is disclosed to be exactly this powder recovering device, and this device has a powder spraying chamber from the bottom exhausting, and powder is extracted out from the bottom, and through the one-level cyclonic separation, secondary bag filter formula is filtered, and returns powder feeder unit behind the vibratory sieve sieve powder and reuse.The shortcoming of this retracting device is: spray booth adopts the bottom exhausting that the powder powder utilization is reduced, easily pile up floating powder on the workpiece, bag hose is connected with primary cyclone, and cloth bag is easily stifled, its result can make SR increase, the exhausting amount descends, so that spray booth can not keep certain negative pressure, causes spray booth accumulated powder even powder to escape, pollute work situation, the vibratory sieve separative efficiency is low, and screen cloth is easily stifled, must intermittently remove online foreign material; This device makes troubles for clear powder and colour changing also because cloth bag has stronger suction-operated to powder.
The purpose of this invention is to provide a kind of efficient, automatically, continuously, do not have stifled, clear powder colour changing powder recovering device easily, to reduce the powder holdup time, eliminate accumulated powder, improve the spraying working environment, improve and reclaim the powder utilization rate and reclaim the opaque amount.
Powder recovering device of the present invention comprises spray booth and the main recover of blower fan is housed, feature of the present invention is also to comprise an inspissator that small size blower fan is housed, be provided with airflow screening between main recover and the inspissator from device (calling sifter in the following text), the lower end of sifter is provided with compressed air and is blown into pipe, compressed air is upwards jet by the porous breathable plate of sifter bottom, appropriate location above the porous breathable plate is provided with slag-drip opening, slag-drip opening links to each other with deslagging pump, inspissator top tail gas outlet communicates with the inlet house steward of main recover, and powder input powder-supply system will be reclaimed by the powder pump in the lower end of inspissator; Among the present invention, the spray booth sidewall is provided with upper and lower two suction opeings, the bottom surface of following suction opeing and spray booth is close, be used to aspirate the powder that is scattered in the spray booth bottom, upper and lower suction opeing respectively is provided with internal diameter fan housing decrescence, and be connected to valve respectively, the outlet of valve links to each other with the inlet house steward of main recover with pipeline respectively, the present invention also in spray booth the suction opeing both sides be respectively equipped with an arc deflector that makes powder guiding suction opeing.
The operation principle of retracting device of the present invention is as follows
Main recover and inspissator produce negative pressure under the effect of blower fan, powder in the spray booth is extracted out from fan housing, import main recover through valve by exhaust column and carry out cyclonic separation, wherein a small amount of atomic fine powder is discharged from top emptying, big powder enters the airflow screening device of lower end, isolatedly discharge automatically by the bottom deslagging pump at this than bigger material or powder ball, all the other less powders are inhaled into inspissator by upper pipe, carry out cyclonic separation once more at this, converge mutually by the discharge of top tail gas outlet and with the spray booth exhaust column than small particle, import main recover and separate, qualified recovery powder goes the raw material powder-supply system to reuse by the output of inspissator lower end powder pump.
Powder recovering device of the present invention adopts full air-flow to carry, from taking out powder, separate, screening, deslagging is exported each process until the recovery powder and is all carried out continuously automatically, adopt the screening of air-flow sieve, impurity is discharged continuously, need not intermittently cleaning, the inspissator that small size blower fan is equipped with in employing carries out the secondary cyclone separation, good separating effect, and thoroughly solved the easily stifled problem of cloth bag, make system airflow unblocked all the time, make the interior powder of spray booth and recovery system not have delay, secondary cyclone tail gas returns main recover to be separated again, improved the Powder Recovery rate, this device spray booth adopts the side exhausting, compares with end exhausting and can improve powder utilization, and coating evenly, and can avoid the spray booth accumulated powder, help improving recovery powder quality.
Below in conjunction with the description of drawings embodiments of the invention.
Fig. 1 is the general illustration of powder recovering device of the present invention, and wherein spray booth 2 is cutaway views.
Fig. 2 is the A-A cutaway view of Fig. 1.
As Fig. 1 embodiment, spray booth 2 bottoms are hull bottom shape, the top is arch, sidewall is provided with, following two fan housings 4 and 17, following fan housing 17 links to each other with at the bottom of the ship shape, help aspirating bottom powder, the height of last fan housing 4 roughly conforms to the height of spray gun 1, two suction opeings are equipped with silk screen respectively, draw rubbish to stop, fiber, foreign material such as insect suck recovery system, on, following fan housing communicates with the inlet house steward 6 of main recover by valve 5 respectively, main recover 8 tops link to each other with cyclone cluster 7, inspissator 11 tops are connected to small size blower fan 12, the lower end of main recover links to each other with airflow screening device 9, compressed air 40 is by 15 ejections of porous breathable plate, make the interior powder of sifter be the fluidisation attitude, big powder ball and impurity are stranded in the bottom of sifter because of the deadweight effect, get rid of by deslagging pump 16 continuous suckings, less powder is gone into inspissator 11 by pipeline 10 and is carried out cyclonic separation once more, isolating tiny powder is discharged by top offgas duct 13, return main recover through house steward 6 and separate, the qualified powder that is fit to spraying is carried to powder-supply system 50 by the lower end powder pump 14 of inspissator 11, and atomic fine powder is discharged from blow-down pipe 30.
Among Fig. 1 embodiment, be provided with arc deflector 3 in the spray booth, it is erected in the suction opeing both sides by the rotating shaft 19 of inserting in the spray booth bottom elongated slot 18, can rotate to an angle around the rotating shaft of self, can be that track moves around with the elongated slot also by rotating shaft, thereby can be according to the width adjusting of suction opeing to suitable position, make the suction opeing of powder guiding in using.Fig. 2 promptly represents the schematic diagram of deflector operation principle, among the figure, the following air port broad that links to each other with following fan housing 17, the uptake that last fan housing connected is then narrower, deflector 3 can move along elongated slot 18, also can rotate to an angle, represent downward air port water conservancy diversion during Fig. 2 deflector solid line position, represent upwards air port water conservancy diversion during dotted line position around axle 19.
Claims (4)
1, the recovery separator in the powder spraying, be used for being not applied at the recovery of the powder on the workpiece in the spray booth, it comprises spray booth and the main recover of cyclone cluster is housed, it is characterized in that also comprising an inspissator that small size cyclone cluster is housed, be provided with the airflow screening device between main recover and the inspissator, the lower end of sifter is provided with compressed air and is blown into pipe, be provided with jet porous breathable plate in the device, air permeable plate top slag-drip opening links to each other with deslagging pump, inspissator top tail gas outlet links to each other with the inlet house steward of main recover, and the lower end of inspissator is connected to the powder pump; The spray booth sidewall is provided with upper and lower two suction opeings, and the bottom surface of following suction opeing and spray booth is close.
2,, it is characterized in that the both sides of suction opeing in the spray booth respectively are provided with an arc deflector as the described retracting device of above-mentioned claim 1.
3, as the described retracting device of above-mentioned claim 1, it is characterized in that the bottom of spray booth is hull bottom shape, the top is arch.
4,, it is characterized in that suction opeing is provided with the silk screen that stops impurity as above-mentioned claim 1 or 2 or 3 described retracting devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91108105A CN1024907C (en) | 1991-07-10 | 1991-07-10 | Recovery separator for powder spray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91108105A CN1024907C (en) | 1991-07-10 | 1991-07-10 | Recovery separator for powder spray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1068280A CN1068280A (en) | 1993-01-27 |
| CN1024907C true CN1024907C (en) | 1994-06-08 |
Family
ID=4909029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91108105A Expired - Fee Related CN1024907C (en) | 1991-07-10 | 1991-07-10 | Recovery separator for powder spray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1024907C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263998A (en) * | 2013-06-06 | 2013-08-28 | 浙江农林大学 | Residual spraying mist collecting and recycling device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101090B (en) * | 2009-12-18 | 2012-12-26 | 裕东（中山）机械工程有限公司 | Pneumatic cleaning device for vertical powder injection room |
| DE102012004704A1 (en) * | 2012-03-07 | 2013-09-12 | Eisenmann Ag | Method and device for removing overspray-laden process air and equipment for coating objects |
| CN104826748B (en) * | 2015-05-14 | 2018-03-09 | 江苏鑫华能环保工程股份有限公司 | Automatical and efficient anti-blocking compound layering deduster |
| CN107583795B (en) * | 2017-09-26 | 2019-09-03 | 烟台索山机械有限公司 | A kind of powdery paints recovery system |
| CN107744695A (en) * | 2017-11-23 | 2018-03-02 | 中山市君禾机电设备有限公司 | A kind of useless powder reclaiming device |
| CN107716186A (en) * | 2017-11-23 | 2018-02-23 | 中山市君禾机电设备有限公司 | A kind of vertical jetting house system |
| JP7305639B2 (en) | 2017-11-24 | 2023-07-10 | エリコン メテコ アクチェンゲゼルシャフト、ヴォーレン | Thermal spray cabin including intake system |
-
1991
- 1991-07-10 CN CN91108105A patent/CN1024907C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263998A (en) * | 2013-06-06 | 2013-08-28 | 浙江农林大学 | Residual spraying mist collecting and recycling device |
| CN103263998B (en) * | 2013-06-06 | 2016-01-06 | 浙江农林大学 | The remaining mist of spraying collects recycling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1068280A (en) | 1993-01-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |