CN104971558A - Dry type venturi paint mist trapping device and application thereof - Google Patents
Dry type venturi paint mist trapping device and application thereof Download PDFInfo
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- CN104971558A CN104971558A CN201510425454.8A CN201510425454A CN104971558A CN 104971558 A CN104971558 A CN 104971558A CN 201510425454 A CN201510425454 A CN 201510425454A CN 104971558 A CN104971558 A CN 104971558A
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- coating cloud
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
Abstract
The invention relates to a dry type venturi paint mist trapping device. The device comprises a shell, wherein multiple rows of paint mist filtration and interception units arrayed in a cross manner are arranged in the shell, a gap is left between each two adjacent paint mist filtration and interception units in the same row, and the gap and the surfaces of the paint mist filtration and interception units at two sides form an air flowing channel of a venturi structure. The paint mist trapping device filters and intercepts paint particles in a filtration manner at the early stage and in a filtration and impact force co-existing manner at the late stage. By virtue of the venturi structure, the amount of paint particles intercepted and captured through the impact force can be greatly increased. Besides, the invention further relates to a dry type paint spraying system with the dry type venturi paint mist trapping device. The paint mist trapping device is arranged at the exhaust opening of the paint spraying system, so as to separate paint mist in the air. Compared with the prior art, the dry type venturi paint mist trapping device has a strong capture and absorption capability for paint mist, and the environment pollution and energy consumption can be greatly reduced.
Description
Technical field
The present invention relates to industrial coating field, particularly relate to application coating cloud and catch separation and assembling sphere, specifically relate to a kind of dry type venturi coating cloud capturing device and application thereof, be widely used in the applications such as automobile, five metals, household electrical appliances, toy.
Background technology
Along with developing rapidly of China's economic, environmental pollution becomes more and more serious.In China's most area, the mankind are to air, and the pollution of soil and water is far beyond natural ability to bear.Recently some years, haze takes place frequently, and water pollutions and soil pollution also become more and more serious.Application is the industry of a high pollution, highly energy-consuming.In painting process, a large amount of waste gas, waste liquid and solid waste can be produced.In order to maintain the condition of the constant temperature and humidity required for application, application also needs to consume a large amount of electric energy and fossil fuel.
Traditional coating waste gas isolation technics is mainly divided into dry type and wet type two kinds.What traditional dry type paint spraying system mainly adopted is the form that coating cloud adsorbs felt, as shown in Figure 1, be pure filtering technique, be easy to cause the local of filtering material saturated and block, very limited to the seizure carrying capacity of paint particle, need frequent coating cloud of changing to adsorb felt.Change filter felt continually to need to stop production, not only increase filtering material and artificial consumption, also occupies a large amount of production times, enterprise's production cost is high, and solid waste is many.Secondly, this technology is also very limited to the separating effect of coating cloud, and the air after separation still containing a certain amount of coating cloud, not only can not meet the quality requirement that air recycles, but also there is larger security against fire hidden danger.So conventional dry technology can only be applied in small lot, step spraying operation, be difficult to use in the industrial production of serialization in enormous quantities.Traditional wet type venturi or wet type water-screen cabinet technology, although can realize being continuously separated coating cloud, can meet the needs of working continuously in enormous quantities, this technology can produce a large amount of waste gas, waste water and waste liquids, need the air consuming constant temperature and humidity fresh in a large number, energy consumption is high.Although the production line of part wet type water-washing technique have employed the technology of circulated air, reduce the consumption of fresh wind and the amount of waste gas, but the air humidity be through after venturi washing is very large, temperature is low, first dehumidifying is needed, then heat, the energy consumption of dehumidifying and heating is also very high again, and this circulating wind technology also needs to consume a large amount of energy consumptions.
More external companies also have developed some new dry type isolation technics in recent years, such as utilize pulverized limestone to reduce the viscosity of spray thing, then by filtering technique separating solids and gas, this technology needs to add a large amount of pulverized limestones, considerably increases the amount of solid waste.Ye You company have employed electrostatic coating cloud isolation technics, but this system have easily by cross spray thing stick and be difficult to remove problem.In addition, these equipment all complex structures, expensive, only there is application at some high-end production lines at present, be difficult to be commonly used.
Summary of the invention
An object of the present invention is that to provide a kind of coating cloud to trap ability to arrange jobs to overcome defect that above-mentioned prior art exists strong, simple dry type venturi coating cloud capturing device efficiently.
Two of object of the present invention provides a kind of dry type paint spraying system with above-mentioned dry type venturi coating cloud capturing device to overcome defect that above-mentioned prior art exists, and this paint spraying system structure is simple, and reliability is high, energy-conserving and environment-protective.
An object of the present invention can be achieved through the following technical solutions:
A kind of dry type venturi coating cloud capturing device, comprise crust of the device, the coating cloud being furnished with many rows in this crust of the device filters interception unit, coating cloud adjacent in same row filters between interception unit and leaves space, and the face that the coating cloud of this space and both sides filters interception unit forms the air flow passage narrowed suddenly with Venturi tube structure.
Further, described coating cloud filters interception unit is the Filter column with rhombus or square cross section.
Further, described same row's inner filtration post cross section compared with long-diagonal in same straight line.
Further, the space that described coating cloud filters between interception unit and adjacent coating cloud filtration interception unit forms coating cloud separating mechanism.
Further, a coating cloud is set in the dead astern of described air flow passage and filters interception unit
Further, described coating cloud filters the material of interception unit is fibrous material.
Further, described coating cloud filters the material of interception unit is nonwoven cloth material.
Further, described coating cloud filtration interception unit becomes large gradually in the density that the main flow direction of air is arranged.
Further, the density that described coating cloud filters the filtering material that interception unit adopts becomes large gradually in the main flow direction of air.
Two of object of the present invention can be achieved through the following technical solutions:
A kind of dry type paint spraying system, comprises above-mentioned dry type venturi coating cloud capturing device, is arranged on the exhaust outlet place of described dry type paint spraying system, is separated the coating cloud in air.
Compared with prior art, the present invention has following beneficial effect:
According to a kind of dry type venturi coating cloud capturing device provided by the invention, each device makes the form of independent monomer, can change each casing as required, compact conformation, and it is convenient to change.Inside arranges multiple filtration interception structures, has fully utilized principle and the filtering technique of venturi, has utilized the version of rhombus column or square column, and layout also have devised the coating cloud capturing device with venturi cavity structure.Filtration interception unit in coating cloud capturing device, in earlier stage with the form work of filtering, filters the coating cloud in interception air.Along with the prolongation of service time, the paint particle filtered in interception unit increases gradually, and filtering interception unit can be blocked gradually.When filtering interception unit blocking; filtering the cavity between interception unit with Venturi tube structure can make the paint particle in air and air accelerate; the filtration interception unit of row after paint particle at a high speed can knock under the effect of inertia force; because paint particle is stickum, knock the paint particle filtering interception unit and can be attached in filtration interception unit and be captured.After captured paint particle is accumulated to certain thickness, just can be pooled to the bottom of capturing device under gravity, avoids the blocking of capturing device.Experiment proves, utilize the coating cloud trapping system of venturi technology can improve the trapping carrying capacity of whole system to paint particle significantly, relative to traditional technology, the trapping carrying capacity of native system to paint particle can improve tens times of even hundreds of times, greatly reduces the number of times of filtering material replacing and the consumption of filtering material.The distribution form that distance between filtering before and after interception unit and between left and right diminishes gradually can make the paint particle of different size be captured at the different parts of capturing device, make whole casing form a three-dimensional coating cloud trapping space, drastically increase the trapping carrying capacity to coating cloud and separating effect.Experimental data proves, relatively traditional dry type isolation technics, and the separating effect of this trapping system to coating cloud has and significantly improve, and in the air after separation, the amount of coating cloud is lower than 3 ㎎/m
3, not only there is not any security against fire hidden danger, and can recycle.
Dry type venturi coating cloud capturing device provided by the invention ideally solves the ability to arrange jobs problem of conventional dry coating cloud isolation technics.Relatively traditional wet type venturi or water-screen cabinet, this invention greatly reduces the amount of waste gas, waste liquid, completely without water.Air is after this dry paint-fog piece-rate system, and the humiture of air there is not change substantially, can realize recycling air easily.And air is after the washing of traditional wet type, temperature reduces greatly, and humidity considerably increases.If again recycle this air, need dehumidifying and heating, need to consume a large amount of cooling energy and heating energy.If do not recycled, not only have a large amount of waste gas to need discharge, paint spray booth needs the air of a large amount of constant temperature and humidities covered also to need to consume a large amount of energy consumptions.So relative to traditional lacquering technologies, adopt the dry type paint spraying system of dry type venturi coating cloud capturing device of the present invention greatly can reduce the consumption of pollution to environment and energy.
In addition, dry type venturi coating cloud capturing device provided by the invention is very large to the ability to arrange jobs of coating cloud, so greatly can reduce the amount of solid waste.The whole of this coating cloud capturing device trapping are paint particle, and paint particle is evenly distributed in whole trapping system, and aeration is fine.The main component of coating cloud is resin and solvent, and fuel value is very high, and hardboard is also combustible.So the coating cloud catch that the aeration changed is good, fuel value is high, can use as fuel, turn waste into wealth.And traditional wet techniques, in the process that coating cloud is separated, add other a large amount of non-combustible materials, and the water not easily removed be mixed into, be difficult to, by these discarded objects of method process burned, often do landfill disposal, contaminated soil and underground water.So this invention possesses great meaning to energy-saving ring.
Accompanying drawing explanation
Fig. 1 be traditional coating cloud absorption felt local saturated and blocking schematic diagram;
Fig. 2 is the contour structures schematic diagram of dry type venturi coating cloud capturing device;
Fig. 3 is the structural representation that dry type venturi coating cloud capturing device removes top board;
Fig. 4 is dry type venturi coating cloud capturing device cross-sectional structure schematic diagram;
Fig. 5 is the front view that first row coating cloud filters interception unit;
Fig. 6 is the top view that first row coating cloud filters interception unit;
Fig. 7 is that coating cloud filters the ventilation of interception unit original state and filters schematic diagram;
Fig. 8 is the schematic cross-section of capturing device under coating cloud filtration interception unit local stoppages state;
Fig. 9 is the ventilation schematic diagram of I portion partial enlargement under coating cloud filtration interception unit blocked state;
Figure 10 is the structural representation of dry type paint spraying system;
Figure 11 is the process chart of typical dry type paint spraying system.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present embodiment is implemented premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
The present embodiment provides a kind of dry type venturi coating cloud capturing device, comprise crust of the device, each casing is independently monomer, outside use cardboard material, interior layout many rows coating cloud filters interception unit, each row's coating cloud filters interception unit and is crisscross arranged, and adjacent described coating cloud filters between interception unit and leaves space, and the face that the coating cloud of this space and both sides filters interception unit forms the air flow passage narrowed suddenly with Venturi tube structure.The cavity that coating cloud filters between interception unit and adjacent coating cloud filtration interception unit forms coating cloud separating mechanism.It is the Filter column with rhombus or square cross section that coating cloud filters interception unit, same row's inner filtration post cross section compared with long-diagonal in same straight line, the dead astern of the air flow passage that each draught area reduces rapidly correspondence arranges that a coating cloud filters interception unit.
As shown in Figure 2, Figure 3, Figure 4, the dry type venturi coating cloud capturing device 100 of the present embodiment comprises: the filtration intercept layer 10,11,12,13,14,15,16,17,18,19 that 10 rows set gradually are made up of coating cloud filtration interception unit, sheet-like filter layer 90, and entrance 70 and outlet 80.10 of the present embodiment is drained through in filter intercept layer, and the distance between front two rows is reducing gradually along on air main flow direction.Rear 5 are drained through comparatively front 5 rows of the spacing of filter interception unit in same row reduces to some extent.In the present embodiment, the material that coating cloud filters interception unit is fibrous material.
In the process that this capturing device runs, for the paint of most of type, oarse-grained paint can be filtered interception by the filtration interception unit at front row, and short grained paint particle can be filtered interception by the filtration interception unit of rear row.Before filtration interception unit does not block, filter interception unit with the work pattern filtered; After the filtration interception unit blocking of local; cavity between the filtration interception unit of two blockings defines the air communication channel that has Venturi tube structure; air containing paint particle is in the process of passage flowing through this Venturi tube structure; paint particle in air and air is accelerated, and paint particle at a high speed can knock filtration interception unit below and be attached on this and filter in interception unit.After the paint filtered in interception unit is accumulated to certain thickness, is just pooled to the bottom of casing under gravity, avoids the blocking of coating cloud capturing device.Experiment proves, the structure of this venturi can greatly improve paint particle by the effect of clashing into captured amount, greatly promote whole trapping system to the trapping ability of paint particle and amount of collected.
As shown in Figure 10, in the present embodiment, entrance 70 is arranged on side, and outlet 80 is arranged on side.Certainly, as shown in Figure 2, entrance 70 also can be arranged on the end face of capturing device.Arranging of entrance arbitrarily can be arranged according to the needs of paint spraying system structure, enters, eventually pass that sheet-like filter layer is after 90s to be left from outlet 80 again as long as the air containing coating cloud filters interception unit from first row.
As shown in Figure 5, Figure 6, comprise nine in the filtration intercept layer 10 of first row and filter interception unit 10-1.The long-diagonal in each filtration interception unit cross section in same straight line and be drained through therewith filter intercept layer center line overlap.
The space 10-2 that one narrow is had in the middle of two filtration interception unit, limit 10-3,10-4,10-5 and 10-6 of the filtration interception unit of this space and both sides form the air flow passage that has Venturi tube structure, greatly, the draught area of interlude is little for the import of this passage and the draught area of outlet.
The filtration interception unit windage of original state is very little, now all filtration interception unit are with the mode operation filtered, the air portion containing paint particle entered from air inlet shunts interception unit filtration after filtration, and part flows through two cavitys filtered between interception unit.Flow through at the air containing paint particle in the process of filtering interception unit, part paint particle can be filtered fiber interception and catch.Along with the increase of service time, the amount of the paint particle of catching in filter fiber can increase gradually, until filter interception unit blocking.
26S Proteasome Structure and Function and the first row of the filtration interception unit of follow-up each row 11,12,13,14,15,16,17,18,19 are similar, describe in detail no longer one by one at this.
As Fig. 8, shown in Fig. 9, when after the blocking of filtration interception unit, the passage that air containing paint particle can only be formed by two face 10-3 and 10-4 filtering interception unit enters, in the process that air advances, because the draught area of passage reduces rapidly, paint particle in air and air can be accelerated, paint particle at a high speed can knock the filtration interception unit in passage dead astern under the effect of inertia force, the paint particle of viscosity can be attached on and filter in interception unit, air then changes direction after shock, in a flows by action filtration interception unit of arranging backward of pressure reduction.Pressure reduction is provided by the exhaust blower of paint spraying system.
For most paint type, the blocking of Filter column all can arrange the beginning in the past, as shown in Figure 8; The paint kind of fraction also may block from certain layer of centre.After two adjacent in the filtration interception unit or a certain row of a certain row are filtered interception unit blocking, cavity therebetween just defines the air flow passage that has Venturi tube structure, just the principle beginning through venturi accelerates to flow through air and the paint particle wherein of this passage, just paint particle is caught in the effect interception beginning through impact, other the region not having to block still works, until all filtration interception unit and sheet-like filter layer fill up paint particle completely with the mode of filtering or filtration and the mode that coexists of impact.
Bulky paint particle, because its quality is large, when identical speed, its inertia force had is just large, the distance of flight is just far away, so oarse-grained paint particle can bump against and be attached in the longer filtration interception unit of front and rear row distance, and the little paint particle of volume due to quality light, inertia force is little, clashes into and is taken to the next stage less than the filtration interception unit of rear row by air.Also can guarantee that the paint particle of different volumes size is caught step by step at every layer along the front and rear row spacing that air main flow direction reduces gradually.
In the present embodiment, rearward along on air main flow direction 5 be drained through filter interception unit and often arrange distance between inner filtration interception unit comparatively front 5 and arrange and reduce to some extent.In same row, two are filtered distance less between interception unit, the paint particle in air and air can be made to accelerate faster, paint particle can be made to have higher speed and inertia force, the paint particle be not captured in front row filtration interception unit can be made to be blocked further and catch.Filter before and after interception unit and the science layout of the spacing of left and right, the zones of different of paint particle in coating cloud catch in air can be made to catch, make whole coating cloud catch form a three-dimensional coating cloud trapping space, drastically increase trapping system to the trapping ability of coating cloud and amount of collected.
Several rhombus column places a row, and the long-diagonal in cross section is in same straight line, and gap is left in centre, and the cavity between two rhombus columns just defines the air communication channel with Venturi tube structure, can make to form Venturi effect by the air of this passage.Facts have proved, the venturi air flow passage formed with rhombus column tackles the effect of catching paint particle by the effect of inertia force good, the version of what the trapping interception unit of the present embodiment adopted is also rhombus column, certain trapping interception unit also can adopt the version of square column, ovallized column, polygon post, as long as cavity therebetween can form the structure of venturi.
Sheet-like filter layer 90 adopts the sheet-like filter felt of full wafer, plays the function of comprehensively filtering, and the particle coating cloud that above each layer is not trapped is carried out interception further and catches.
As shown in Figure 10, the dry type paint spraying system that the present embodiment provides mainly comprises as lower part: dynamic pressure room 300, plenum chamber 400, paint spray booth 20, spray robot 24, induction system 22, coating cloud dust trapping chamber 30, coating cloud catch, exhaust blower 50, and wherein coating cloud catch adopts above-mentioned dry type venturi coating cloud capturing device 100.
The course of work of dry type paint spraying system is as follows:
The product of spraying is needed to be transported in this paint spraying system from the upstream of this paint spraying system by induction system, by spray 21 application in this paint spraying system.
The air of the constant temperature and humidity of coming from air-conditioning enters, then through dynamic pressure room 300 current-sharing from the air inlet 200 of paint spraying system; Air through the current-sharing of dynamic pressure room filters through bag filter, enters plenum chamber 400; The uniform air of flow velocity of coming from plenum chamber enters paint spray booth 20 after the top cotton of paint spray booth is filtered.
The lower disposed of paint spray booth has steel construction, and it supports induction system 22, robot 24 and bottom grid.Induction system 22 can be transported to desired position by by spray 21 from the entrance of paint spray booth; Spray robot 24 can for be sprayed by spray 21; Grid 23 can provide passage for personnel, and the coating cloud separation chamber of Ye Nengshi paint spray booth and bottom communicates.
The air that driven plenum chamber is come can carry the paint particle not being attached to coated article surface produced in painting process in the process through paint spray booth, this part paint particle is defined as spray thing herein.The suspension of these tiny paint particles is formed vaporific in atmosphere, these combinations forming vaporific paint particle in atmosphere that suspend is called coating cloud herein.
Be provided with air conducting space 31 in coating cloud separation chamber 30, the air being loaded with spray thing enters this region via the hole of flase floor.Air conducting region is open upwards, and side is limited by side plate 38, and the top board 34 that the bottom surface of both sides is separated module by coating cloud limits, and middle bottom surface is limited by base plate 39.The cross sectional shape in whole air conducting space is a T font.
Air containing paint particle guides to the region in the middle of two row's coating cloud piece-rate systems through water conservancy diversion region, then air changes flow direction under the effect of pressure reduction, enters level, is divided into two parts and flows to both sides, then enters the coating cloud catch 100 on both sides.
In the present embodiment, two row's coating cloud catch are placed in the both sides of coating cloud separation chamber, and the quantity of coating cloud catch depends on the length of paint spray booth.
The air being loaded with spray thing enters from the entrance 70 of catch, discharges from outlet 80.According to the needs of the version of this paint spraying system, what this coating cloud catch adopted is the form of side air inlet.
Be loaded with spray thing air enter catch from entrance 70 after, via 10 row coating clouds filter interception unit filter interception, air obtains comprehensive isolation of purified; Last air, through sheet-like filter layer, catches indivedual paint particles that above each layer is not captured comprehensively.
Air is after coating cloud catch 100, and just enter one and can arrange in the cavity 41 of bag filter, bag filter 40 arbitrarily can be arranged according to the separating effect of coating cloud catch 100.Be provided with air-valve 42 after cavity 41, air-valve is connected with cavity 41 by flange.
Conveniently change coating cloud catch, in the bottom of paint spraying system, roller induction system 37 has been installed, for shifting out the catch that needs replacing and the new catch of shift-in.Above roller induction system, need paving one deck hardboard 36, the effect of protection induction system from the pollution of coating cloud can be played on the one hand, also can collect a part of paint particle on the other hand.
Air is pooled to air main 43 via airduct, delivers to circulated air air-conditioning after finally being pressurizeed by blower fan 50 by airduct 60.In circulated air air-conditioning, the humiture of air is again sent paint spraying system back to and is recycled after obtaining finely tuning and reaching construction window that painting environments requires.
Contained the air of spray thing in the process flowing through coating cloud capturing device, just paint particle is blocked and catches, and do not change other state of air, air is after blower fan supercharging, paint spraying system can be sent back to re-use, not need to consume a large amount of fresh airs, not need to discharge a large amount of waste gas, do not need to consume a large amount of energy consumptions, energy-conserving and environment-protective yet.
In the process of spraying, flow through in the air of this paint spraying system because most of solvent in paint can evaporate into.If air circulates always, the concentration in air can increase gradually.In order to avoid the concentration of the solvent in air reaches explosion limit, we generally adopt the way covering the air of a part of fresh air or low solvent strength, and the air of discharging a part of high solvent concentration carries out burning disposal.The air of low solvent strength can the air of the discharge of spraying area by hand.Typical process flow figure is shown in Figure 11.
Embodiment 2
Shown in figure 2-Fig. 6, the present embodiment provides a kind of dry type venturi coating cloud capturing device similar with embodiment, is that the material that coating cloud filters interception unit is nonwoven cloth material with the difference of embodiment 1.
Embodiment 3
Shown in figure 2-Fig. 6, the present embodiment provides a kind of dry type venturi coating cloud capturing device similar with embodiment, is that the density that coating cloud filters the material that interception unit adopts becomes large gradually in the main flow direction of air with the difference of embodiment 1.
Above-described embodiment is the principle of illustrative this patent and effect thereof only, but not in restriction this patent.Any personage being familiar with this patented technology all under the spirit and category of patent of the present invention, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that this patent discloses, must be contained by the claim of this patent.
Claims (10)
1. a dry type venturi coating cloud capturing device, comprise crust of the device, it is characterized in that: be furnished with many row's coating clouds in this crust of the device and filter interception unit, often adjacent in row coating cloud filters between interception unit and leaves space, and the face that the coating cloud of this space and both sides filters interception unit forms the air flow passage narrowed rapidly with Venturi tube structure.
2. dry type venturi coating cloud capturing device according to claim 1, is characterized in that: it is the Filter column with rhombus or square cross section that described coating cloud filters interception unit.
3. dry type venturi coating cloud capturing device according to claim 2, is characterized in that: described Filter column cross section compared with long-diagonal in same straight line.
4. dry type venturi coating cloud capturing device according to claim 1, is characterized in that: the space that described coating cloud filters between interception unit and adjacent coating cloud filtration interception unit forms coating cloud separating mechanism.
5. dry type venturi coating cloud capturing device according to claim 1, is characterized in that: arrange a coating cloud in the dead astern of described air flow passage and filter interception unit.
6., according to the arbitrary described dry type venturi coating cloud capturing device of claim 1-5, it is characterized in that: the material that described coating cloud filters interception unit is fibrous material.
7., according to the arbitrary described dry type venturi coating cloud capturing device of claim 1-5, it is characterized in that: the material that described coating cloud filters interception unit is nonwoven cloth material.
8. according to the arbitrary described dry type venturi coating cloud capturing device of claim 1-5, it is characterized in that: described coating cloud filters interception unit and becomes large gradually in the density that the main flow direction of air is arranged.
9., according to the arbitrary described dry type venturi coating cloud capturing device of claim 1-5, it is characterized in that: the density that described coating cloud filters the filtering material that interception unit adopts becomes large gradually in the main flow direction of air.
10. a dry type paint spraying system, is characterized in that: comprise as arbitrary in claim 1-9 as described in dry type venturi coating cloud capturing device, be arranged on the exhaust outlet place of described dry type paint spraying system, be separated the coating cloud in air.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510425454.8A CN104971558B (en) | 2015-07-17 | 2015-07-17 | A kind of dry type venturi coating cloud capturing device and its application |
| PCT/CN2015/094771 WO2017012224A1 (en) | 2015-07-17 | 2015-11-17 | Dry venturi trapping device for paint mist and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510425454.8A CN104971558B (en) | 2015-07-17 | 2015-07-17 | A kind of dry type venturi coating cloud capturing device and its application |
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| CN104971558B CN104971558B (en) | 2017-03-29 |
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| WO2017012224A1 (en) * | 2015-07-17 | 2017-01-26 | 周小参 | Dry venturi trapping device for paint mist and application thereof |
| CN111514675A (en) * | 2020-05-08 | 2020-08-11 | 张航 | Filtering structure for ventilation of coal mine |
| CN115138159A (en) * | 2022-09-01 | 2022-10-04 | 杭州智和涂装科技有限公司 | Dry type combined filtering box |
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| CN109847520A (en) * | 2019-04-12 | 2019-06-07 | 辽宁实发洁净科技有限公司 | Multiple-effect gas purification filter element |
| JP6773388B1 (en) * | 2020-02-25 | 2020-10-21 | パーカーエンジニアリング株式会社 | Paint mist collector |
| CN114191899A (en) * | 2022-01-14 | 2022-03-18 | 勤山过滤系统(苏州)有限公司 | Coating air current filter equipment |
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| JP2000051745A (en) * | 1998-08-06 | 2000-02-22 | Anest Iwata Corp | Paint recycle system |
| CN204074372U (en) * | 2014-11-04 | 2015-01-07 | 王雪峤 | Dry cleaning paint spray booth |
| CN204735043U (en) * | 2015-07-17 | 2015-11-04 | 周小参 | Dry -type venturi coating cloud entrapment device and system |
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| WO2017012224A1 (en) * | 2015-07-17 | 2017-01-26 | 周小参 | Dry venturi trapping device for paint mist and application thereof |
| CN111514675A (en) * | 2020-05-08 | 2020-08-11 | 张航 | Filtering structure for ventilation of coal mine |
| CN115138159A (en) * | 2022-09-01 | 2022-10-04 | 杭州智和涂装科技有限公司 | Dry type combined filtering box |
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| WO2017012224A1 (en) | 2017-01-26 |
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