CN1325172C - Water Washing-type spraying chamber using two-stage running water - Google Patents

Water Washing-type spraying chamber using two-stage running water Download PDF

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Publication number
CN1325172C
CN1325172C CNB021562008A CN02156200A CN1325172C CN 1325172 C CN1325172 C CN 1325172C CN B021562008 A CNB021562008 A CN B021562008A CN 02156200 A CN02156200 A CN 02156200A CN 1325172 C CN1325172 C CN 1325172C
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CN
China
Prior art keywords
water
flow
spray booth
stream board
water stream
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Expired - Fee Related
Application number
CNB021562008A
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Chinese (zh)
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CN1426849A (en
Inventor
鈴木茂树
樋川浩一
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Anest Iwata Corp
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Anest Iwata Corp
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Publication of CN1426849A publication Critical patent/CN1426849A/en
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Publication of CN1325172C publication Critical patent/CN1325172C/en
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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
    • B05B14/41Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by cleaning the walls of the booth
    • 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
    • B05B14/46Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material
    • B05B14/469Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material wherein the washing material is the spraying material

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  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

The object of the present invention is to improve the collecting efficiency of paint mist applied by showering, more water being used to circulate in a front water-flow board and a showering nozzle. But an inner wall extending from a sucking port of a lower part of the water-flow board to a showering portion is easily adhered by the paint so as to cause problems in cleaning. In addition, the noises caused by water flow and collision gives an unpleasant impression to worker, and brings adverse effect to the environment. This invention intends to solve these problems. The solution of the present invention is to provide a gutter which receives the showering liquid which was injected for processing the interior for collecting paint mist, where a portion of the showering liquid flows back to a tank, and the remainder overflows along a longitudinal direction of the gutter to make the flow downwards along the vertical aspect of a liquid flow-board. The inside of the liquid-flow board consists of a two-level top and bottom configuration. On a front of the top level is provided with a first level liquid-flow board. On a rear lower part is provided with a second level liquid-flow board. Between the first and second water-flow boards are formed with incoming air sucking passages for sucking air flow to flow through. The bottom of the second level liquid-flow board is constructed in such a manner to merge into a lower part of the liquid flow.

Description

Adopt the rinsing type spray booth of 2 grades of current
Technical field
The present invention relates to a kind of spray booth, described spray booth can be collected and not stick in the coating of ejection when reclaiming spraying on the coated article and the paint spray that disperses, especially relate to a kind of rinsing type spray booth, described rinsing type spray booth utilizes scavenger fan to attract paint spray and air-flow simultaneously, utilize shower water collection and treatment paint spray then, to discharge the air of cleaning.
Background technology
Common rinsing type spray booth as shown in Figure 4, its underpart is provided with tank 45, utilize the air-flow inspiration that contain coating cloud of scavenger fan 41 with the spray booth front, during by coating cloud process chamber 43, the washing spray that ejects from nozzle 44 will make coating cloud fall the bottom tank with water and collect, the water that water pump (not shown) sucts is supplied with aforementioned nozzle 44, supply with the bucket 46 that makes water stream board 42 overflows that are located at the spray booth front simultaneously.The coating of collecting in water stream board and the coating cloud process chamber 43 that is located at the water stream board rear portion is fallen in the tank and is separated recycling as sludge.
The paint spray that disperses because of the utilization of this kind spray booth contacts with water to be collected, so can improve collection efficiency by increasing touch opportunity, make and discharge air cleaningization, air conservation and environmental pollution.
When utilizing the spray water droplet, the granule surface area that water droplet is thin is big more, and the identical water yield can improve collection efficiency.But too thin water droplet then increases with the possibility that air-flow is discharged, and problem of environmental pollution takes place the coating cloud collection efficiency reduction as spray booth.
Except utilizing spray to collect the paint spray, favourablely in the common rinsing bowl collect with water stream board.Described collection method is normally towards spray booth, and the front is provided with water stream board, makes by pump to the water generation overflow that provides of bucket that is located at water stream board top, forms moisture film on the whole face of water stream board.In the bottom of water stream board, and form the air-flow suction inlet that sucks process chamber between the water surface in the tank, can attract unnecessary spraying coating cloud effectively, collect in the aforementioned processing chamber.In addition, in the unnecessary particle that sprays paint of ejection, make straightaway coating particle and fall into tank with water, collect the same with shower water with this moisture film conflict.
There is a problem in such rinsing type spray booth, that is, the coating cloud that can't collect in spray booth inside is stained with and pollutes the time that the back is cleaned needs cost a large amount of.A large amount of in addition water flows and causes the sound of current.Promptly flow down from water stream board, the sound that drops to the water on the water surface by suction inlet becomes noise, and the operating personnel is felt bad etc., reduces the quality of operating environment.In addition, to drop on the sound of the water in the tank also be the same for the washing of process chamber spray.
In order to keep the basic function of washing spray booth as far as possible, that is, the collection efficiency of coating cloud is necessary the water that will be used for collecting or the mobile reasonable and effective configuration of carrying out of moisture in the zone that the air communication that contains coating cloud is crossed, improve collection efficiency with few water yield.Its result reduces coating and is bonded at other places in the spray booth, simplifies regular maintenances such as cleaning.
Summary of the invention
The present invention prevents the generation of stink so that a kind of angle from operating environment to be provided, and reduces the current noise that the circulation of water causes, the spray booth quieter, that operating environment is good is a purpose.
As mentioned above, for the collection efficiency that improves coating cloud need increase the amount of water, but noise increases thereupon, therefore is necessary to improve under the prerequisite that does not increase the water yield collecting effect of recirculated water, improves collection efficiency.
In order to address the above problem, the invention provides a kind of rinsing type spray booth, described rinsing type spray booth ties up to the spray booth bottom anterior tank and rear portion tank is set, the air-flow that utilizes scavenger fan to form, coating cloud is attracted to process chamber from the suction inlet of spray booth front lower, to the air-flow injection water washing and spraying that contains coating cloud by this coating cloud process chamber, to collect coating cloud, its characteristics are, described rinsing type spray booth is provided with the bucket of accepting the shower water that ejects, be provided with drainage at described both ends of accepting the bucket of the shower water that ejects, described drainage is connected with described anterior tank through the water guide road that is located at both sides through being positioned at the draining bucket of its below, thereby a part of circulation that makes shower water is to described rear portion tank, all the other are along the length direction overflow of bucket, and flow down along upright water stream board.
Can utilize the draining of spray like this,, water stream board can be set in inside collect coating cloud, can prevent that spray booth inside is stained with coating and pollutes so needn't newly establish feed pump or increase pushing quantity.And, utilize inner bucket to accept water that spray falls down and can reduce directly to drop on sound on the water surface, can reduce noise facing to spray booth, improve operating environment.Form the passage that leads to bucket by guide portion is set, can make bucket accept shower water efficiently.
In addition, be provided with the device that to regulate water spray or, make overflow water when water stream board flows down, have enough formation moisture films and suitable flow to the adjusting device of the runner of tank circulation.Discharge too conference makes movement disorder, sound increases when flowing down, and opposite discharge is stained with rubbish or coating etc. very little the time ruptures moisture film easily, makes coating be bonded at the place of no current, therefore can regulate separately maybe and can both regulate the inflow water yield or the outflow water yield of bucket, just can become effective device.
Have again, water stream board is installed on the overflow ladle removably, can guarantee more working space in the inspection when use stops, maintenance or the cleaning work, make operation simpleization.
The structure of other devices is, the water stream board of spray booth front is divided into 2 grades up and down, the 1st grade of water stream board is set in the place ahead, top, the rear, bottom is provided with the 2nd grade of water stream board, overflow water from the bucket of having accepted the recirculated water that pump drives flows to described the 1st water stream board, accepts current direction described the 2nd grade of water stream board that the bucket from the shower water of the injection nozzle that is located at the 1st water stream board inboard overflows.Form the suction passage that attracts air communication to cross in the coating cloud process chamber between the 1st grade and the 2nd grade of water stream board.The 2nd grade of water stream board lower end orientated as and made water flow directly in the tank or the inflow bottom.
Obtaining beyond the above-mentioned action effect like this, also the hydration stream that falls from the 1st grade of water stream board can become along the 2nd grade of water stream board that is located at its lower inner to flow, can significantly reduce the conflict sound that falls at the water that spray booth produces previously.The general approximate vertical water surface falls and also can occur spray when taking place to impact and spatter and jump, and causes violent noise, but can prevent the generation of noise among the present invention downwards with the mobile interflow that falls.
Description of drawings
Fig. 1 is the sectional view of the major part of example of the present invention.
Fig. 2 is the stereogram of internal structure of the present invention.
Fig. 3 is the sectional view of the major part of other examples of the present invention.
Fig. 4 is the cross section structure figure of the traditional spraying water-based washing trough of an example.
The specific embodiment
Below utilize accompanying drawing that an example of the present invention is explained.
Fig. 1 is the sectional view of seeing from the side of spray booth.The tank 1 that is arranged on the bottom is divided into anterior tank 1A and rear portion tank 1B.Middle body is provided with coating cloud process chamber 3, and its top is provided with scavenger fan 4.Be provided with bucket 5, sagging water stream board 6 below this barrel 5 in the front upper place of process chamber 3.Consider manufacturing and the maintenance of being convenient to water stream board 6, water stream board 6 is made of top water stream board 6A and bottom water stream board 6B.
Lower end at bottom water stream board 6B has suction inlet 7, and its formation makes the suction air-flow of aforementioned scavenger fan 4 flow into suitable flow velocity.Coating cloud process chamber 3 becomes the passage of the inspiration air-flow of scavenger fan 4, is provided with the nozzle 8 that washing sprays at mid portion, to spraying by air-flow.
In an embodiment, as shown in Figure 2, look from the spray booth front, a plurality of side by side injection nozzles of left and right directions, the whole zone of the gas channel of shower water in process chamber becomes spraying.
Injection direction is along guide plate 9, makes incline direction and sprays.20 is separator, is used to remove the fine liquid particles that is sucked with air-flow by scavenger fan.
The place ahead at the injection direction of washing spray is provided with another bottom bucket 10, and the water stream board 6 the same (the 1st grade of water stream board) with front, aforementioned processing chamber is provided with the subordinate's water stream board 11 as the 2nd grade of water stream board.The front of this bottom bucket 10 is overflow place, accepts aforementioned shower water, and the water that overflows flows along subordinate's water stream board 11.Be provided with drainage 12 at the both ends of bottom bucket 10.This drainage 12, links to each other with anterior tank 1A through the water guide road 13 that is located at both sides shown in the chain-dotted line of Fig. 2 through draining bucket 12A.
An anterior tank 1A part forwardly is a groove, is formed up to the inclined plane 14 of the bottom of process chamber 3, sends into the spray draining overflow in the anterior tank 1A, flows along this inclined plane 14.As long as therefore anterior tank 1A can obtain the inflow spray draining of stabilizer surface institute water requirement, and is as far as possible little.
In as Fig. 1 of the embodiment of the invention, device shown in Figure 2, the bottom front 14A on inclined plane 14 to rear portion tank 1B sunken inside, connected into water is directly flowed down in the tank of rear portion before subordinate's water stream board 11.The end of front portion tank 1A, is very shallow, in order when cleaning the water that accumulates to be discharged, drainage arrangement to be set or the little drainage that connects bottom and rear portion tank is set, and flows out when the tank draining of rear portion.
When the water yield in the tank is set at operation from the overflow of anterior tank 1A along the inclined plane 14 region-wide flowing, do not produce the amount of viscous flow.The lower end of subordinate's water stream board 11 enters in the tank 1B of rear portion, and regulating pondage makes this lower end and the water surface be regardless of (taking off) and opens.
The circular flow of water is generally regulated by water pump, and to determine suitable current and shower water, the flow of spray is regulated by the valve that is located on the water supply road.
At other embodiment shown in Figure 3, aforesaid inclined plane 14 flow to the discharge outlet that is located at the end to subordinate's water stream board 11.In this example, the location of the lower end of subordinate's water stream board 11 will make the current interflow on itself and inclined plane 14.The water that flows down so can not clash sound and undisturbedly flow, and restrains the generation of noise.
The shower water that bucket 10 is accepted in the water yield utilization that flows down along subordinate's water stream board 11 returns the aperture area on the draining road 12 of tank 1A and regulates, or directly regulates water spray obtains forming film in the suitable water to regulate overflow water flow.
The width of the length direction of subordinate's water stream board 11 can be enough to cover the width of suction inlet, that is, the A/F of spray booth, the marginal position of overflow are higher than the lower end 6C of the place ahead water stream board.As far as possible little under the prerequisite of the circulation area of guaranteeing air-flow with the interval of the place ahead water stream board, the air-flow that the water of the curtain shape that falls from this water stream board lower end is inhaled into blows disconnected the time, almost all with run into the current interflow that subordinate's water stream board 11 flows down, reduced conflict sound.
Each water stream board can both be dismantled, or can carry out inner maintenance easily by opening and closing.In an embodiment, for subordinate's water stream board 11 can dismantle it is hung on the bottom bucket that overflow uses, when pulling down, be blown into and pass the rear portion from the front portion of suction portion.Therefore clean or when safeguarding operation be more prone to.
Example of the present invention is main being illustrated to adopting rinsing type to collect coating cloud, but the replacement water such as liquor of with medicament liquid, oiliness series also can be obtained identical effect.
The present invention can obtain following effect by above structure.
Among the present invention, suck the spraying coating cloud that contains in the air-flow for collecting, accept the water that washing is ejected with the bucket that is located at inner treatment chamber, utilize this overflow water and be provided with water stream board in inside, needn't increase water pump newly or increase output and can improve collecting effect, prevent that the inner treatment chamber coating particle is stained with and pollutes.
According to the present invention, can directly not drop down onto in the tank water surface because of the water of spray and produce and fall sound and cause noise, utilize water stream board to make to flow to continuously flow in the tank, quietly moved.But and the rear portion wall of the gas channel of water stream board double as coating cloud process chamber, therefore can blow over the rear portion after the dismounting, make operations such as cleaning, maintenance very simple.
By about the water stream board of spray booth front and front and back are configured, till the water surface of below, all become water stream board, the coating particle probability in small, broken bits at the water stream board place that flows to spray booth that disperse increases, and improves whole collection efficiency.The particle that promptly passes traditional bottom suction inlet conflicts with the water stream board 11 of inside, lower end under the effect of inertia force along with the air-flow straightaway, enters in the tank with the water that flows down.
Further the water that flows down from the water stream board 6 on top, the place ahead under the attraction of air-flow with the hydration stream that flows from rear water stream board 11, therefore with compare noise with the wall conflict and descend.
As mentioned above, the present invention can prevent that spray booth integral body is stained with coating, improve and pollute the operating environment deterioration that causes, keep the outward appearance of cleaning, and operation the time becomes the noise of problem, also the sound that falls because of the spray draining becomes quiet inflow sound and has reduced the noise felt, improves operator's working environment, also can improve to around influence.In addition, the coating that is stained with of cleaning or operation is very easy because of the structure that is provided with of water stream board when safeguarding has greatly alleviated burden.

Claims (7)

1. rinsing type spray booth, described rinsing type spray booth ties up to the spray booth bottom anterior tank and rear portion tank is set, the air-flow that utilizes scavenger fan to form, coating cloud is attracted to process chamber from the suction inlet of spray booth front lower, to the air-flow injection water washing and spraying that contains coating cloud by this coating cloud process chamber, to collect coating cloud, it is characterized in that, described rinsing type spray booth is provided with the bucket of accepting the shower water that ejects, be provided with drainage at described both ends of accepting the bucket of the shower water that ejects, described drainage is through being positioned at the draining bucket of its below, be connected with described anterior tank through the water guide road that is located at both sides, thereby a part of circulation that makes shower water is to described rear portion tank, and all the other are along the length direction overflow of bucket, and flows down along upright water stream board.
2. rinsing type spray booth according to claim 1, it is characterized in that, described rinsing type spray booth is provided with the device that can regulate water spray or to the adjusting device of the runner of tank circulation, makes at overflow water when water stream board flows down, and has enough formation moisture films and suitable flow.
3. rinsing type spray booth according to claim 1 and 2 is characterized in that, described water stream board can describedly relatively be accepted the bucket dismounting of the shower water that ejects.
4. rinsing type spray booth according to claim 1 is characterized in that, described rinsing type spray booth is provided with guide portion, and shower water is fallen in the described bucket of accepting the shower water that ejects.
5. rinsing type spray booth according to claim 1, it is characterized in that, the injection direction of the relative coating spraying of described rinsing type spray booth, the water stream board that is located at the spray booth front by up and down 2 grades constitute, be provided with the 1st grade of water stream board in the place ahead, top, be provided with the 2nd grade of water stream board at the rear, bottom, overflow water from the bucket of having accepted the recirculated water that pump drives flows to described the 1st water stream board, accepts the current direction that overflows described the 2nd grade of water stream board from the bucket of the shower water of the injection nozzle that is located at the 1st water stream board inboard.
6. rinsing type spray booth according to claim 5 is characterized in that, forms between the 1st grade and the 2nd grade of water stream board and makes the suction passage that attracts air communication to cross in the coating cloud process chamber, and the 2nd grade of water stream board lower end flows into downwards or in the tank continuously.
7. rinsing type spray booth according to claim 1 is characterized in that, uses coating cloud to collect and uses liquid, to replace water.
CNB021562008A 2001-12-17 2002-12-17 Water Washing-type spraying chamber using two-stage running water Expired - Fee Related CN1325172C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001383131A JP3704083B2 (en) 2001-12-17 2001-12-17 Flushing booth using two-stage water flow
JP383131/2001 2001-12-17
JP383131/01 2001-12-17

Publications (2)

Publication Number Publication Date
CN1426849A CN1426849A (en) 2003-07-02
CN1325172C true CN1325172C (en) 2007-07-11

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Application Number Title Priority Date Filing Date
CNB021562008A Expired - Fee Related CN1325172C (en) 2001-12-17 2002-12-17 Water Washing-type spraying chamber using two-stage running water

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JP (1) JP3704083B2 (en)
KR (1) KR20030051168A (en)
CN (1) CN1325172C (en)
TW (1) TW544337B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010115626A (en) * 2008-11-14 2010-05-27 Anest Iwata Corp Recovery apparatus for sludge treatment in coating booth
CN102600686B (en) * 2012-03-23 2014-04-23 林斌 Water curtain air filtering device for spraying
CN103785662B (en) * 2012-10-31 2016-06-08 北汽福田汽车股份有限公司 Atomized ash lands cleaning mechanism and method
CN105855087B (en) * 2016-04-20 2018-11-27 盐城市荣南机械制造有限公司 Recoverying and utilizing method is painted in bridge paint-spraying production line before a kind of farm machinery

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290348A (en) * 1978-03-29 1981-09-22 Morgan Gordon L Spray booth
CN1006854B (en) * 1988-04-08 1990-02-21 江苏省劳动保护科学技术研究所 Blowing-sucking type multi-layed water-ourtain paint-spraying room
JPH06226028A (en) * 1993-01-28 1994-08-16 Iwata Air Compressor Mfg Co Ltd Dust removing device
DE4407598A1 (en) * 1994-03-08 1995-09-14 Wurster Gerd Paint spray cabin
JPH08309263A (en) * 1995-05-19 1996-11-26 Iwata Air Compressor Mfg Co Ltd System for recovering coating material sludge of wet type coating booth
JPH10165864A (en) * 1996-12-12 1998-06-23 Nippon Paint Plant Eng Kk Coating device for water-base paint
JPH11156255A (en) * 1997-09-26 1999-06-15 Anest Iwata Corp Spray mist recovering mechanism of recycle system
JP2000325842A (en) * 1999-05-18 2000-11-28 Anest Iwata Corp Sludge recovering structure of water washing coating booth
JP2001219111A (en) * 2000-02-09 2001-08-14 Anest Iwata Corp Device for recovering coating mist

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290348A (en) * 1978-03-29 1981-09-22 Morgan Gordon L Spray booth
CN1006854B (en) * 1988-04-08 1990-02-21 江苏省劳动保护科学技术研究所 Blowing-sucking type multi-layed water-ourtain paint-spraying room
JPH06226028A (en) * 1993-01-28 1994-08-16 Iwata Air Compressor Mfg Co Ltd Dust removing device
DE4407598A1 (en) * 1994-03-08 1995-09-14 Wurster Gerd Paint spray cabin
JPH08309263A (en) * 1995-05-19 1996-11-26 Iwata Air Compressor Mfg Co Ltd System for recovering coating material sludge of wet type coating booth
JPH10165864A (en) * 1996-12-12 1998-06-23 Nippon Paint Plant Eng Kk Coating device for water-base paint
JPH11156255A (en) * 1997-09-26 1999-06-15 Anest Iwata Corp Spray mist recovering mechanism of recycle system
JP2000325842A (en) * 1999-05-18 2000-11-28 Anest Iwata Corp Sludge recovering structure of water washing coating booth
JP2001219111A (en) * 2000-02-09 2001-08-14 Anest Iwata Corp Device for recovering coating mist

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Publication number Publication date
CN1426849A (en) 2003-07-02
JP2003181344A (en) 2003-07-02
TW544337B (en) 2003-08-01
JP3704083B2 (en) 2005-10-05
KR20030051168A (en) 2003-06-25

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