CN1068280A - Recovery separator in the powder spraying - Google Patents

Recovery separator in the powder spraying Download PDF

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Publication number
CN1068280A
CN1068280A CN91108105A CN91108105A CN1068280A CN 1068280 A CN1068280 A CN 1068280A CN 91108105 A CN91108105 A CN 91108105A CN 91108105 A CN91108105 A CN 91108105A CN 1068280 A CN1068280 A CN 1068280A
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CN
China
Prior art keywords
powder
inspissator
spray booth
recover
blower fan
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Granted
Application number
CN91108105A
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Chinese (zh)
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CN1024907C (en
Inventor
宋世德
梁慧林
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Individual
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Individual
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Priority to CN91108105A priority Critical patent/CN1024907C/en
Publication of CN1068280A publication Critical patent/CN1068280A/en
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Publication of CN1024907C publication Critical patent/CN1024907C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/45Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths using cyclone separators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/48Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths specially adapted for particulate material
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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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  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Cyclones (AREA)

Abstract

The present invention relates to the powder recovering device in a kind of powder spraying system, it comprise a side exhausting spray booth, cyclonic separation master recover, the inspissator that the secondary cyclone of small size blower fan separates is housed, the airflow screening device is arranged between main recover and the inspissator, impurity is removed with deslagging pump in the bottom of sifter, and the tiny powder that inspissator is separated returns main recover by the top offgas duct to be separated again.This device adopts automatically defeated continuously powder of full air-flow and deslagging, and the unimpeded nothing of air-flow is stifled, good separating effect, and organic efficiency and reclaim powder utilization rate height, and clear powder colour changing is convenient, dust does not have and escapes, and can improve the spraying working environment.

Description

Recovery separator in the powder spraying
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 end of 20-50% can 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 blower fan 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 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 by the lower end powder pump of inspissator 11.
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, powder recovering device, be used for paint finishing to 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 blower fan is housed, it is characterized in that also comprising an inspissator that small size blower fan 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, the slag-drip opening of air permeable plate top 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.
CN91108105A 1991-07-10 1991-07-10 Recovery separator for powder spray Expired - Fee Related CN1024907C (en)

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 true CN1068280A (en) 1993-01-27
CN1024907C 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 (7)

* Cited by examiner, † Cited by third party
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
CN104185512A (en) * 2012-03-07 2014-12-03 艾森曼股份公司 Method and apparatus for extracting process air loaded with overspray and plant for coating objects
CN104826748A (en) * 2015-05-14 2015-08-12 常熟市华能环保工程有限公司 Automatic efficient anti-blocking compound layering dust collector
CN107583795A (en) * 2017-09-26 2018-01-16 烟台史密得机电设备制造有限公司 A kind of powdery paints recovery system
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
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
CN111788009A (en) * 2017-11-24 2020-10-16 欧瑞康美科股份公司,沃伦 Thermal spray booth with suction system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103263998B (en) * 2013-06-06 2016-01-06 浙江农林大学 The remaining mist of spraying collects recycling device

Cited By (9)

* Cited by examiner, † Cited by third party
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
CN104185512A (en) * 2012-03-07 2014-12-03 艾森曼股份公司 Method and apparatus for extracting process air loaded with overspray and plant for coating objects
CN104826748A (en) * 2015-05-14 2015-08-12 常熟市华能环保工程有限公司 Automatic efficient anti-blocking compound layering dust collector
CN107583795A (en) * 2017-09-26 2018-01-16 烟台史密得机电设备制造有限公司 A kind of powdery paints recovery system
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
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
CN111788009A (en) * 2017-11-24 2020-10-16 欧瑞康美科股份公司,沃伦 Thermal spray booth with suction system
CN111788009B (en) * 2017-11-24 2022-12-02 欧瑞康美科股份公司,沃伦 Thermal spray booth with suction system
US11684942B2 (en) 2017-11-24 2023-06-27 Oerlikon Metco Ag, Wohlen Thermal spray cabin with suction system

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Publication number Publication date
CN1024907C (en) 1994-06-08

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