CN105499040B - A kind of method that multi-stag coating cloud capturing device and trapping separated spray object - Google Patents

A kind of method that multi-stag coating cloud capturing device and trapping separated spray object Download PDF

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Publication number
CN105499040B
CN105499040B CN201610011209.7A CN201610011209A CN105499040B CN 105499040 B CN105499040 B CN 105499040B CN 201610011209 A CN201610011209 A CN 201610011209A CN 105499040 B CN105499040 B CN 105499040B
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coating cloud
capturing device
capture unit
air
spray
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CN105499040A (en
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周小参
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Jiaxing Kai Kai Coating Technology Co ltd
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Jiaxing Kai Kai Coating Technology Co Ltd
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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

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

Abstract

The present invention provides a kind of multi-stag coating cloud capturing device and its applied dry type paint spraying system, arrange that the coating cloud capture unit of at least two types, coating cloud capture unit are the flow area that monolithic structure and each coating cloud capture unit cover air in the coating cloud capturing device perpendicular to air main flow direction.The outer dimension of different types of coating cloud capture unit is identical, and standard card slot is provided in coating cloud capturing device, the coating cloud capture unit of any one type can be set among any one standard card slot, this standardized design can make coating cloud capturing device according to the type of the coating cloud capture unit among the different adjustment coating cloud capturing devices for crossing spray composition granule characteristic, each coating cloud capture unit in coating cloud capturing device is set to undertake lotus, the inner space of entire coating cloud capturing device is set to form a three-dimensional coating cloud trapping accommodation space, coating cloud capturing device is greatlyd improve to the trapping carrying capacity and separating effect of coating cloud.

Description

A kind of method that multi-stag coating cloud capturing device and trapping separated spray object
Technical field
The present invention relates to industrial coating field more particularly to spray coated spray object trapping separation and assembling spheres, specifically relate to And a kind of multi-stag coating cloud capturing device, it is widely used in the coatings such as automobile, hardware, household electrical appliances, toy.
Background technique
With the rapid development of China's economic, environmental pollution becomes increasingly severe.In China's most area, the mankind couple The pollution of air, soil and water is far beyond natural ability to bear.Nearest some years, haze take place frequently, water pollution and Soil pollution also becomes increasingly severe.Coating is the industry of a high pollution, highly energy-consuming.During painting, it can produce Raw a large amount of exhaust gas, waste liquid and solid waste.In order to maintain the condition of constant temperature and humidity required for coating, it is also desirable to which consumption is big The electric energy and fossil fuel of amount.
Traditional coating crosses spray object isolation technics and is broadly divided into dry type and two kinds of wet type.Traditional dry type paint spraying system is main Using the form trapping separation coating cloud of coating cloud filter felt, as shown in Figure 1, being pure single layer filter technology, it is easy to make It is blocked at the part saturation of filtering material, it is very limited to the capture carrying capacity of coating cloud, need to frequently replace coating cloud filter felt. It is replaced as frequently as filter felt to need to stop production, filtering material and artificial consumption is not only increased, when alsoing occupy a large amount of production Between, enterprise's production cost is high, and solid waste is more.Secondly, this technology is also very limited to the separating effect of coating cloud, the sky after separation Gas still contains a certain amount of coating cloud, not only can not meet the quality requirement that air circulation uses, but also there are biggish fire-fightings Security risk.So conventional dry technology can only be applied in small lot, intermittent spraying operation, it is difficult continuous in high-volume It is used in the industrial production of change.Traditional wet venturi or wet type water-screen cabinet technology, although being able to achieve continuous point to coating cloud From being able to satisfy the needs worked continuously of high-volume, but this technology can generate a large amount of exhaust gas, waste water and waste liquid, need to consume The air of a large amount of fresh constant temperature and humidities, energy consumption are high.Although the production line of part wet type water-washing technique uses the skill of circulated air Art reduces the consumption of fresh wind and the amount of exhaust gas, but the air humidity after venturi is washed is very big, and temperature is low, needs It can just be recycled after dehumidifying and heating, the energy consumption for dehumidifying and heating is also very high, and it is a large amount of that this circulating wind technology is also required to consumption Energy consumption.
Some companies external in recent years also have developed some dry type isolation technics, for example reduce spray using auxiliary material The viscosity of object then needs to be added a large amount of auxiliary material, considerably increases by filtering technique separation solid and gas, this technology The amount of solid waste.Ye You company uses electrostatic coating cloud isolation technics, but this technology has splitting die group to be easy to be crossed to spray Object adheres to and is difficult to the problem of removing.In addition, all structure is complicated for these equipment, and it is expensive, at present only some high-end Production line has application, is difficult to be commonly used.
Also some new dry type isolation technics announcements in nearly 2 years, such as using publication No. CN 103930185A as the fan of representative The structure of palace formula.The coating cloud catch of such structure is all to arrange multiple rows of paint on the path that the air for carrying spray object advances Mist capture unit crosses spray object to stop to intercept in air.The coating cloud capturing device of such distribution form is relative to traditional paint Although the form of mist absorption felt has increased significantly to the trapping carrying capacity of coating cloud, but the coating cloud of such structure traps dress It sets comprising many coating cloud capture units, the manufacture difficulty of coating cloud capture unit is big, and time-consuming for the assembling of coating cloud capturing device, and The coating cloud capturing device of such structure only intercepts to have adhered in the windward side of coating cloud capture unit crosses spray object, in coating cloud capture unit Two sides and leeward almost without spray object is crossed be attached capture, coating cloud capture unit reaches trapping when receiving the limit, and coating cloud is caught Still there is a large amount of space unutilized between collection unit.The presence of big air flow passage also makes this between coating cloud capture unit The coating cloud catch of the form of kind is difficult to capture those small and light spray composition granules excessively.
Summary of the invention
An object of the present invention is to provide a kind of multi-stag coating cloud to overcome the problems of the above-mentioned prior art Capturing device.This coating cloud capturing device is strong to the trapping ability of coating cloud, good separating effect, and trapping carrying capacity is big.In addition, this is painted Mist capturing device is independent monomer, and replacement is convenient, and maintenance is easy.
The second object of the present invention is to provide a kind of with above-mentioned more to overcome the problems of the above-mentioned prior art The dry type paint spraying system of grade formula coating cloud capturing device, this paint spraying system structure is simple, reliable performance, energy conservation and environmental protection.
The third object of the present invention is provided a kind of according under replacement to overcome the problems of the above-mentioned prior art Spray object distribution is crossed in the coating cloud capturing device come to adjust the coating cloud capture unit arranged in new coating cloud capturing device The method of type, the method can be further excellent according to the distribution for crossing spray object in replaced coating cloud capturing device Change the coating cloud capture unit type being arranged in new coating cloud capturing device, so that each coating cloud capture unit is undertaken lotus, sufficiently Using the solid space in coating cloud capturing device, to greatest extent degree improve coating cloud capturing device to the trapping carrying capacity of coating cloud and Separating effect.
An object of the present invention can be achieved through the following technical solutions:
A kind of disposable multi-stag coating cloud capturing device is sprayed for generated cross during trapping split spray Object, coating cloud capturing device include the crust of the device for limiting inlet air flow path, coating cloud dust trapping chamber, air intake, air outlet slit, paint Coating cloud capture unit is disposed in mist dust trapping chamber, it is characterised in that: the trapping of at least two coating clouds of arrangement is single in coating cloud capturing device Member, coating cloud capture unit arrange that coating cloud capture unit is monolithic structure and the trapping of each coating cloud is single perpendicular to air main flow direction The flow area of member covering air.
Further, the present invention provides a kind of disposable multi-stag coating cloud capturing device, can also have such Feature: the coating cloud capture unit is arranged in parallel and there are gaps therebetween.
Further, the present invention provides a kind of disposable multi-stag coating cloud capturing device, can also have such Feature: the coating cloud capture unit has at least two types, the thickness and fiber of different types of coating cloud capture unit fiber Layout density it is different.
Further, the present invention provides a kind of disposable multi-stag coating cloud capturing device, can also have such Feature: the outer dimension of the coating cloud capture unit is identical.
Further, the present invention provides a kind of disposable multi-stag coating cloud capturing device, can also have such Feature: the coating cloud capture unit is corrugated plate shape structure.
Further, the present invention provides a kind of disposable multi-stag coating cloud capturing device, can also have such Feature: the coating cloud capture unit is plate-like structure.
Further, the present invention provides a kind of disposable multi-stag coating cloud capturing device, can also have such Feature: the material of the coating cloud capture unit is fibrous material.
Further, the present invention provides a kind of disposable multi-stag coating cloud capturing device, can also have such Feature: the layout density of the fiber of the coating cloud capture unit is gradually increased along the main flow direction of air.
Further, the present invention provides a kind of disposable multi-stag coating cloud capturing device, can also have such Feature: the standard card slot of fixed coating cloud capture unit is provided in the coating cloud capturing device.
The second object of the present invention can be achieved through the following technical solutions:
The present invention provides a kind of dry type paint spraying system, for separating spray object to being sprayed-on object and sprayed and trapped, also It can have such feature: using multi-stag coating cloud capturing device disposable described in above-mentioned any one as catching Collection separated the component of spray object, was arranged at the exhaust outlet of paint spraying system, crossed spray object in trapping separation discharge air.
The third object of the present invention can be achieved through the following technical solutions:
A kind of trapping split spray is generated in the process to cross the method for spraying object, and the process of this method is as follows: carrying The air of spray object is directed at above-mentioned multi-stag coating cloud capturing device and enters paint by the air intake of coating cloud capturing device Mist capturing device;It is single by least two different types of coating cloud trappings in coating cloud capturing device containing the air for crossing spray object Member, the coating cloud in air are captured separation, the air after the trapping separation of coating cloud capture unit again after the filtering of whole filter layer by Air outlet slit discharge;After coating cloud capturing device reaches its trapping receiving limit, takes out coating cloud capturing device and simultaneously observe coating cloud trapping The distribution for spraying object is crossed in device;Optimize the coating cloud arranged in new coating cloud capturing device according to the distribution for crossing spray object to catch Collect the type of unit.
Further, the present invention provide during a kind of split spray caused by cross the method for spraying object, can also have this The feature of sample: the coating cloud capturing device is disposable product, and each coating cloud capturing device reaches trapping and accommodates pole After limit, new coating cloud capturing device is needed replacing into.
Further, the present invention provide during a kind of split spray caused by cross the method for spraying object, can also have this The feature of sample: being provided with the standard card slot of fixed coating cloud capture unit in coating cloud capturing device, different types of coating cloud trapping is single The outer dimension of member is identical, and different types of coating cloud capture unit can be set among any one standard card slot.
Further, the present invention provide during a kind of split spray caused by cross the method for spraying object, can also have this The feature of sample: according to the distribution preferred arrangement of spray object excessively in the coating cloud capturing device of taking-up in new coating cloud capturing device Coating cloud capture unit type.
Further, the present invention provide during a kind of split spray caused by cross the method for spraying object, can also have this The feature of sample: by the type for the coating cloud capture unit arranged in optimization coating cloud capturing device, make each in coating cloud capturing device A coating cloud capture unit undertakes lotus.
Compared with prior art, the invention has the following advantages:
The multi-stag coating cloud capturing device provided according to the present invention, coating cloud capture unit is monolithic structure and each coating cloud is caught Collection unit all covers the flow area of air, greatly reduces the quantity of coating cloud capture unit, makes the production of coating cloud capture unit It is more easier with coating cloud capturing device assembling.
The multi-stag coating cloud capturing device provided according to the present invention, coating cloud capture unit is monolithic structure and each coating cloud is caught Collection unit all covers the flow area of air, and the fiber layout density in leading portion coating cloud capture unit is diluter, fibre haphazardly Dimension can not only adhesion section cross spray object, the big gap between fiber can guarantee the passability of air again.This sparse fiber Layout structure can make spray object equably trap each position for being adhered to coating cloud capture unit, final entire coating cloud capture unit Inner space trapping adherency it is full cross spray object, cover the full wafer of air circulation cross-section coating cloud capture unit layout and can mention significantly High coating cloud capturing device inner space utilization rate improves coating cloud capturing device to crossing the trapping carrying capacity for spraying object.
The multi-stag coating cloud capturing device provided according to the present invention, the coating cloud of the leading portion setting of coating cloud capturing device trap single The fiber layout density of member is smaller, and the aperture between fiber is larger.The coating cloud capture unit of this distribution form can trap one Part bumps against the fiber of coating cloud capture unit and is adhered to the spray composition granule excessively of fiber thereon, and it is logical that part can be made to cross spray composition granule This coating cloud capture unit is crossed, subsequent coating cloud capture unit is flowed to, the load between balanced each coating cloud capture unit improves entire Coating cloud capturing device sprays the trapping carrying capacity of object to crossing.
The multi-stag coating cloud capturing device provided according to the present invention, several coating cloud capture units parallel arrangement and therebetween there are Gap, the gap between coating cloud capture unit can make to carry the air of spray object after entering before a coating cloud capture unit It is flowed, this design can be avoided to be influenced next coating cloud and catch because of the blocking of the local location of previous coating cloud capture unit The trapping effect positioned at blocking position dead astern region for collecting unit, undertakes each position of all coating cloud capture units Lotus improved the uniformity of spray object distribution, improved coating cloud capturing device to the trapping carrying capacity for crossing spray object.
The multi-stag coating cloud capturing device provided according to the present invention, the outer dimension of coating cloud capture unit are identical and in coating cloud Matched standard card slot is disposed in capturing device, this standardized design can make different types of coating cloud capture unit Any one standard card slot is all fitted into, its advantage is that the distribution shape of spray object can be crossed according to replaced coating cloud capturing device Coating cloud capture unit type of the state preferred arrangement in new coating cloud capturing device and be installed on easily coating cloud capturing device it In, the trapping interception effect of coating cloud capture unit and the utilization efficiency of capture unit are played to the maximum extent, greatly improve paint Mist capturing device sprays the trapping carrying capacity of object to crossing.
Most of material of the multi-stag coating cloud capturing device provided according to the present invention by recoverable low value material Material is made into, and is disposable product, and each device is made into the form of independent monomer, and it is each only to can according to need replacement Vertical cabinet, compact-sized, replacement is convenient, and use and maintenance cost are low.
Dry type paint spraying system provided by the invention including the multi-stag coating cloud capturing device ideally solves tradition The ability to arrange jobs problem of dry paint-fog isolation technics.Relatively traditional wet venturi or water-screen cabinet, the invention greatly reduce The amount of exhaust gas, waste liquid, completely dispenses with water.After multi-stag coating cloud capturing device of the air by the invention, the temperature and humidity base of air This does not change, and can be easily carried out and recycle to air, energy-saving.
In addition, multi-stag coating cloud capturing device provided by the invention is very big to the ability to arrange jobs of coating cloud, can substantially reduce solid The amount of body waste.All paint of this coating cloud capturing device separation, paint are evenly distributed in entire coating cloud capturing device, Aeration is fine.The main component for crossing spray object is resin and solvent, and fuel value is very high, the big portion of the material of coating cloud capturing device itself Dividing also all is combustible.So the coating cloud capturing device that replaced aeration is good, fuel value is high, can be used as fuel makes With turning waste into wealth.And traditional wet techniques joined other noncombustible matters during crossing the trapping separation of spray object, and And be mixed into and be largely not easy the water removed, it is difficult to handle these wastes by the method for burning, often makees landfill disposal, it is dirty Contaminate soil and groundwater.So the invention possesses great meaning to energy-saving ring.
Detailed description of the invention
Fig. 1 is the floor map of traditional coating cloud filter felt part saturation and blocking;
Fig. 2 is the schematic cross-section of traditional coating cloud filter felt part saturation and blocking;
Fig. 3 is the shape schematic perspective view of the multi-stag coating cloud capturing device of embodiment one;
Fig. 4 is that the multi-stag coating cloud capturing device of embodiment one removes the schematic perspective view of top plate;
Fig. 5 is the cross-sectional structure schematic diagram of the multi-stag coating cloud capturing device of embodiment one;
Fig. 6 is the stereoscopic schematic diagram of multiple coating cloud capture units combination of embodiment one;
Fig. 7 is the stereoscopic schematic diagram of the single coating cloud capture unit of embodiment one;
Fig. 8 is the cross-sectional view of the multi-stag coating cloud capturing device of embodiment two;
Fig. 9 is the cross section structure schematic diagram of dry type paint spraying system;
Figure 10 is the process flow chart of typical dry type paint spraying system.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to Following embodiments.
Fig. 1, Fig. 2 illustrate the part saturation of traditional coating cloud filter felt and the schematic diagram of blocking, traditional coating cloud mistake Filtering felt is all single layer structure, although thickness is generally all in 10cm hereinafter, the area of filter felt is larger, entire filter felt absorption is held Received spray object space it is still limited.And during spraying, crosses spray region and often relatively concentrate, be easy to appear filter felt part Saturation and block, need to change new coating cloud filter felt, and other regions have only been adsorbed and a small amount of crossed spray object, coating cloud filter felt Utilization efficiency it is low.
The air for flowing through paint spray booth can carry the paint particle for being not adhered to coated article surface generated in painting process, This part, paint particle is defined as " crossing spray object " herein.
Many tiny paint particles suspend forms mist in air, these suspensions are formed mist by this patent in air The group of the paint particle of shape is collectively referred to as " coating cloud ".
Paint particle also includes the small paint paint drop of liquid, especially liquid in this patent both comprising solid, The partial size of most paint particles is all between 10 microns to 100 microns.
During atomization, due to being atomized the difference of tool, the characteristic for the paint particle being atomized out has larger paint Difference, especially cross spray object particle characteristics.
When carrying out paint spraying using air atomizing device, small particle paint particle is easy with coated article airflow on surface side To transformation and varying motion direction, so that it cannot reach coated article surface and formed spray object;And the paint of bulky grain Grain is big due to the quality of itself, it is not easy to deviate its tracks, tend to adhere on coated article.
Then on the contrary, short grained paint particle is due to itself lighter weight when carrying out paint spraying using electrostatic rotating cup, It is easy to reach coated article surface under the action of electric field force, and large-sized paint particle is easy to be got rid of under the influence of centrifugal force Out, and shape air and electric field force are also not enough to overcome the centrifugal force of large-sized paint particle, these final large-sized oil It paints particle and formed spray object because being unable to reach coated article surface.
If spraying the small and light paint particle of owner's partial size it can be seen that crossing caused by air atomizing device spraying, and If crossing the big and heavy paint particle of spray owner's particle caused by the spraying of electrostatic rotating cup.
In addition, difference of the paint due to its composition itself, the property difference for the paint particle being atomized out are also larger.Priming paint and Contain aluminium powder, pearl powder and pigment in colored paint, the paint particle that many partial sizes are small, density is big can be generated during atomization, And the solvent contained in paint particle is less, is easy drying and loses viscosity;The prime cost of varnish is resin, is atomized out Paint particle major part partial size is larger, and the solvent contained in paint particle is more and does not allow volatile paint excessively in spray object Grain be still it is liquid, have biggish viscosity.
Different types of atomising device and different types of paint are often used on same production line, add mist The difference for disguising the difference and temperature and humidity of setting operating parameter will also result in the property difference of atomizing particle, these factors can all cause Cross the diversity of spray composition granule characteristic.
A kind of multi-stag coating cloud capturing device provided by the invention, it is different types of by being arranged in coating cloud capturing device The combination of coating cloud capture unit can cope with the spray coated spray object that the particle characteristics generated under various operating conditions differ greatly well, Structure type and working principle are as follows:
Embodiment 1
As shown in Figure 3, Figure 4, Figure 5, Figure 6, Figure 7, the present embodiment provides a kind of multi-stag coating cloud capturing device 100, dresses It sets shell 102 such as body structure, crust of the device 102 to be made into using the hard material of low value, cardboard material can be used.Often A coating cloud capturing device is all independent monomer, and coating cloud capturing device successively includes: air intake 70, and coating cloud dust trapping chamber 101 is whole Filter layer 170, air outlet slit 80.
Outer shaped like body structure due to coating cloud capturing device, coating practitioner is also referred to as " coating cloud catch ", this Some places also use " coating cloud catch " this title in text.
Air intake 70 is arranged on a side of coating cloud capturing device, and air outlet slit 80 is arranged in opposite another On side.101 side of coating cloud dust trapping chamber and air intake 70 penetrate through, and the other side is connected to whole filter layer 170 and air outlet slit 80, paint 6 outer dimensions identical coating cloud capture unit 110,120,130,140,150,160 is set inside mist dust trapping chamber 101.
The standard card slot 180 of fixed coating cloud capture unit, the work of standard card slot 180 are provided in coating cloud capturing device 100 With being fixed coating cloud capture unit, size be all it is unified, the coating cloud capture unit for fixing any one type can be installed, made The assembling of coating cloud capturing device becomes easy, and also becomes the type of coating cloud capture unit of the preferred arrangement in coating cloud capturing device It must be easy.
The coating cloud capture unit 110,120,130,140,150,160 of the present embodiment is corrugated plate shape structure, coating cloud trapping Unit 110,120,130,140,150,160 arranges that all coating cloud capture units are full wafer knot perpendicular to the main flow direction of air The flow area of structure and each coating cloud capture unit covering air, coating cloud capture unit is fibrous material, and glass can be used Chemical fiber filtering material also can be used in fiber filter material.
The quantity of coating cloud capture unit can be greatly reduced using the coating cloud capture unit of full wafer and covering air circulation cross-section, Reduce the difficulty of coating cloud capture unit production and the difficulty of coating cloud capturing device assembling.Fiber inside coating cloud capture unit has The effect for adhering to spray object is intercepted, when it reaches trapping and accommodates the limit, the space of entire coating cloud capture unit can all adhere to full Spray object is crossed, so the coating cloud capture unit of full wafer can also improve the utilization rate of coating cloud capturing device inner space, coating cloud is improved and catches Trapping carrying capacity of the acquisition means to coating cloud.
After the coating cloud capture unit of required type is fitted into the standard card slot 180 in coating cloud capturing device, two neighboring coating cloud There are gap between capture unit, the effect in gap is equal stream air, makes air by previous coating cloud capture unit herein It is flowed in gap, then enters back into the latter coating cloud capture unit.This design can be avoided because previous coating cloud traps The local location of unit blocks and influences the trapping effect positioned at blocking position dead astern region of next coating cloud capture unit.
This patent is " preceding " and " rear " with the main flow direction of air to define, and the region that primary air first passes through is defined as " preceding ", the region passed through after primary air are defined as " rear ".
Coating cloud capture unit is made into multiple types according to the difference of filter fiber thickness and the difference of filter fiber layout density The coating cloud capture unit of type.
The filter fiber for being arranged in the coating cloud capture unit of coating cloud capturing device leading portion is thicker, and diameter is at 20~50 microns Good, the aperture between filter fiber is also larger, and for most of paint type and spraying operating condition, the aperture between filter fiber exists 500 microns to 2000 microns are preferred.For a other spraying situation, the possibility of the aperture setting between glass fibre is bigger, reaches To 2000 microns or more.The coating cloud capture unit 110 and coating cloud capture unit 120 of the present embodiment can incorporate the coating cloud for leading portion into Capture unit.
The main function of leading portion coating cloud capture unit is that still have sticking spray composition granule excessively with filter fiber impact interception, The object of spray excessively carried in air can encounter the glass fibre haphazardly among progress path, part mistake in advancement Spray composition granule is collided and is adhered on fiber, and a part of mistake can also be adhered to sticking spray object of crossing by being adhered on filter fiber Vanishing viscosity crosses spray object.
The biggish coating cloud capture unit in aperture between the leading portion setting fiber of coating cloud capturing device, coating cloud capture unit Aperture between filter fiber was much larger than the diameter of spray composition granule, and the setting of this large aperture can be such that the spray object of crossing of part is painted The spray object of crossing of filter fiber Adhesion catching in mist capture unit, part can be next across the inflow of the gap filter fiber Coating cloud capture unit.
It is also relatively thick to be arranged in the filter fiber of the coating cloud capture unit of coating cloud capturing device interlude, diameter at 10 microns extremely 20 microns are preferred, and the aperture between filter fiber is also larger, for most of paint type and operating condition are sprayed, between filter fiber Aperture be preferred at 200 microns to 500 microns.The coating cloud capture unit 130 and coating cloud capture unit 140 of the present embodiment can be drawn It is classified as the coating cloud capture unit of interlude.
The main function of the coating cloud capture unit of interlude is to intercept leading portion not using the filter fiber of coating cloud capture unit Intercepted part with it is sticking cross spray object, and using be already adhered on filter fiber with it is sticking mistake spray composition granule come Adherency a part has lost the spray object excessively of viscosity.
Interlude setting coating cloud capture unit filter fiber between aperture it is still larger, coating cloud capture unit fiber it Between aperture be greater than the diameter of spray composition granule, the setting of such aperture can make part cross spray object by the mistake in coating cloud capture unit Fiber Adhesion catching is filtered, the object of spray excessively of part can flow into next coating cloud capture unit across the gap filter fiber.
The filter fiber for being arranged in the coating cloud capture unit of coating cloud capturing device back segment is thinner, so that coating cloud capture unit More filter fibers can be arranged in unit volume, and the aperture between filter fiber is also small compared with leading portion, paints class for most of Type and spraying operating condition, the aperture between filter fiber are preferred good at 5 microns to 200 microns.The coating cloud capture unit of the present embodiment 150 and coating cloud capture unit 160 can incorporate the coating cloud capture unit for back segment into.
The coating cloud capture unit of back segment not only act as using coating cloud capture unit filter fiber intercept adherency leading portion not by Spray object is crossed with sticking in the part of intercepting and capturing, and also plays filtration, each section in the past not intercepted capture Lose viscosity crosses spray object trap filter.
Aperture between the filter fiber of the coating cloud capture unit of back segment setting is smaller, and above-mentioned each section of the overwhelming majority is not blocked Cut capture cross spray object all can the intercepted capture of section herein, individual small particles cross spray composition granule and can pass through this section and enter whole filtering Layer.
Whole filter layer 170 is provided between coating cloud dust trapping chamber 101 and air outlet slit 80, whole filter layer 170 is fiber filter Material can be used glass fiber filter material, chemical fiber filtering material also can be used.
The main function of whole filter layer 170 be filtering intercept the intercepted capture of above each layer cross spray composition granule, institute's mistake The major part of filter is all the small spray composition granule excessively for losing viscosity, plays a part of to filter comprehensively.
Multi-stag coating cloud capturing device provided by the invention is disposable product, for most spraying shape Condition, the service life of single coating cloud capturing device is in 1 to 3 week.Coating cloud capturing device trapped the case where amount of spray object and mistake Spraying distribution situation of the object in coating cloud capturing device can learn within the shorter period.
Coating cloud capture unit in this coating cloud capturing device is arranged according to the thickness of fiber and the different of fiber layout density At multiple and different types, outer dimension it is identical and can be arranged in any one coating cloud capture unit standard card slot 180 it In.
The design of this coating cloud capturing device can facilitate operator to be sprayed according to crossing for replaced coating cloud capturing device The distribution situation of object adjusts the type of the coating cloud capture unit being arranged in new coating cloud capturing device, to adapt to spray object Particle characteristics, the load of each coating cloud capture unit in balanced coating cloud capturing device improve coating cloud capturing device to crossing spray object Carrying capacity is trapped, method of adjustment is as follows:
If the spray object excessively trapped in the coating cloud capture unit of leading portion is more, the mistake in middle section and the trapping of back segment coating cloud capture unit Spray object is few, then the coating cloud capture unit of lower fiber arrangement types of densities is arranged in the leading portion of new coating cloud capturing device.
If the spray object excessively trapped in the coating cloud capture unit of interlude is more, caught in the coating cloud capture unit of leading portion and back segment The spray object excessively of collection is few, then traps in the coating cloud of the leading portion setting more high microsteping layout density type of new coating cloud capturing device single The coating cloud capture unit of lower fiber arrangement types of densities is arranged in member, middle section.
If the spray object excessively trapped in the coating cloud capture unit of back segment is more, trapped on leading portion and middle section coating cloud capture unit Cross that spray object is few, then the leading portion of new coating cloud capturing device and middle section setting more high microsteping layout density type coating cloud trap it is single Member.
Described herein " higher " or " lower " is relative to the same slot in replaced coating cloud capturing device For the coating cloud capture unit set.The layout density of coating cloud capture unit filter fiber in the same coating cloud capturing device is all It is gradually to become close along the main flow direction of air.
After adjustment several times, the combination of coating cloud capture unit just can be well adapted for scene in coating cloud capturing device Cross spray object particle characteristics, make each position equalization load of each coating cloud capture unit and capture unit, make entire coating cloud The inside of capturing device forms a three-dimensional coating cloud and traps accommodation space, when all coating clouds in coating cloud capturing device trap list Member because trapping received it is a large amount of cross spray object due to be saturated after, just need to change new coating cloud capturing device, at this time coating cloud capturing device Inside also a large amount of spray object excessively has been received in trapping.
Embodiment 2
As shown in figure 8, the coating cloud capture unit arranged in the multi-stag coating cloud capturing device of the present embodiment is tabular knot The distribution form of structure, coating cloud capture unit is similar to Example 1 with working principle, and this will not be detailed here.The identical component of function It has used in the present embodiment and the identical label of embodiment 1.
As shown in figure 9, dry type paint spraying system provided in this embodiment mainly includes following part: blast pipe 10, dynamic pressure room 11, plenum chamber 12, paint spray booth 20, spray robot 24, transportation system 22, spray room coating cloud dust trapping chamber 30, the trapping of multi-stag coating cloud Above-mentioned multi-stag coating cloud capturing device 100 is wherein arranged in device 100 and exhaust blower 50 in spray room coating cloud dust trapping chamber 30.
The course of work of dry type paint spraying system is as follows:
The product for needing to spray is transported in this paint spraying system from the upstream of this paint spraying system by transportation system 22, is sprayed-on The coating in this paint spraying system of object 21.
The air of the constant temperature and humidity to come from air-conditioning is entered by the air inlet 10 of paint spraying system, then equal by dynamic pressure room 11 Stream;The air flowed through dynamic pressure room is filtered through bag filter 13, into plenum chamber 12;The flow velocity to come from plenum chamber is uniform Air enters paint spray booth 20 after the filtering of the top cotton of paint spray booth.
The lower disposed of paint spray booth has steel construction, support transportation system 22, spray robot 24 and bottom grid 23.It is defeated It send system 22 that can will be sprayed-on object 21 and is transported to desired position from the entrance of paint spray booth;Spray robot 24 can be to be sprayed Coat 21 sprays;Grid 23 can provide channel for personnel, and the spray room coating cloud dust trapping chamber 30 of the paint spray booth Ye Nengshi and lower part communicates.
It is provided with air conducting space 31 in spray room coating cloud dust trapping chamber 30, was loaded with the air of spray object via the hole of flase floor It is downwardly into this region.Air conducting region is open upwards, and side is limited by side plate 38, and the bottom surface of two sides is by coating cloud capturing device 100 and cavity 41 top plate limit, intermediate bottom surface is limited by bottom plate 39.The cross sectional shape in entire air conducting space 31 is one A T font.
The air that driven plenum chamber (11,12) comes can carry in spraying process during by paint spray booth 20 to be generated Cross spray object.The air for carrying spray object flows to spray room coating cloud dust trapping chamber 30 by flase floor 23 under the action of pressure difference.? In spray room coating cloud dust trapping chamber, the air for carrying spray object is guided through air conducting space 31 to two rows of coating cloud capturing devices Region, then air changes flow direction under the action of pressure difference, into horizontality, is divided into two parts, respectively to both sides Flowing then enters the coating cloud capturing device 100 on both sides.
In the present embodiment, spray room coating cloud traps indoor coating cloud capturing device by two rows of multi-stag coating cloud capturing device groups At the quantity of coating cloud capturing device depends on the length of paint spray booth.
The air for being loaded with spray object enters from the air intake 70 of coating cloud capturing device 100, is discharged from air outlet slit 80.
After the air for spraying object was loaded with from air intake 70 into multi-stag coating cloud capturing device 100, trapped via coating cloud The trapping separation of unit 110,120,130,140,150,160 crosses spray object and is captured separation and collected in multistage by coating cloud capture unit In formula coating cloud capturing device, air is comprehensively purified, and last air filters through whole filter layer 170 and by 80 row of air outlet slit Out.
Some coating cloud capturing device in two rows of coating cloud capturing devices reach its trapping receive the limit after, can to this paint Mist capturing device is individually replaced.The distribution form of the coating cloud catch of this independent monomer structure can make full use of every One coating cloud capturing device makes each coating cloud capturing device reach its trapping and accommodates the limit, improves the utilization rate of filtering material.
Air passes through multi-stag coating cloud capturing device 100, and just entering one can be set bag filter or active carbon In cavity 41, cavity 41 is open at one end, and opening size is identical as the multi-stag coating cloud trapping size of air outlet slit, and passes through Multi-stag coating cloud capturing device is connected perforation with cavity by seal nipple.The other end of cavity is connect by flange with air-valve 42, The other end of air-valve is connect with air hose 43, and 43 other end of air hose is connect with blower 50.The effect of blower is provided to the flowing of wind Power both provided pressure difference to air, to flow air.Air is after the pressurization of blower 50 by air hose 60 and subsequent unshowned Air hose is transported to conditioner.In conditioner, the temperature and humidity of air obtains fine tuning and reaches painting environments requirement Construction window after, send paint spraying system back to again and recycled.
The air of spray object was carried during flowing through multi-stag coating cloud capturing device, has only trapped coating cloud, and The temperature and humidity state of air is not changed, air is after blower is pressurized, it is only necessary to be sent into conditioner to the shape of air State is finely adjusted, and can be sent paint spraying system re-using back to, not needed to consume a large amount of fresh air, it is a large amount of not need discharge Exhaust gas, do not need to consume the state that a large amount of energy consumption adjusts air, energy conservation and environmental protection yet.
In order to facilitate replacement multi-stag coating cloud capturing device 100, delivery track 32 is mounted in the bottom of paint spraying system, is supplied It removes the coating cloud capturing device needed replacing and moves into new coating cloud capturing device and be used.Coating cloud capturing device is placed on idler wheel On pallet 37, the idler wheel installed under pallet rolls on delivery track 32, can be easily by the coating cloud capturing device needed replacing Into and out.After replacement, need in one layer of delivery track upper berth covering 36, on the one hand this covering plays protection defeated Effect of the track from crossing spray object pollution is sent, a part on the other hand can also be collected and cross spray object.This covering can be used firmly Plastic film also can be used in cardboard.
During spraying, since solvent most of in paint can be evaporate into the air for flowing through this paint spraying system.Such as Fruit air recycles always, and the concentration in air can gradually increase.In order to avoid the concentration of the solvent in air reaches explosion limit, We are general to use the method for covering the air of a part of fresh air or low solvent strength, and a part of high solvent concentration is discharged Air carries out burning disposal.The air of low solvent strength can the discharge of spraying area by hand air.Typical process flow Figure is shown in Figure 10.
The principles and effects of this patent are only illustrated in this above-described embodiment, rather than in limitation this patent.It is any ripe Know the personage of this patented technology all can under the spirit and scope without prejudice to the invention patent, to above-described embodiment carry out modification or Change.Therefore, those of ordinary skill in the art is thinking without departing from the revealed spirit of this patent with technology such as Think lower completed all equivalent modifications or change, should be covered by the claim of this patent.

Claims (7)

1. a kind of disposable multi-stag coating cloud capturing device is sprayed for generated cross during trapping split spray Object, coating cloud capturing device include the crust of the device for limiting inlet air flow path, coating cloud dust trapping chamber, air intake, air outlet slit, paint Coating cloud capture unit is disposed in mist dust trapping chamber, the multiple coating cloud capture units of arrangement in coating cloud capturing device, it is characterised in that: paint Mist capture unit is corrugated plate shape structure and arranges perpendicular to air main flow direction, and coating cloud capture unit is monolithic structure and each Coating cloud capture unit all covers the flow area of air, and coating cloud capture unit is fibrous material, and coating cloud capture unit fiber has The effect for adhering to spray object is intercepted, when it reaches trapping and accommodates the limit, the space of entire coating cloud capture unit can all adhere to full Cross spray object, improve coating cloud capturing device to the trapping carrying capacity of coating cloud, coating cloud capture unit parallel arrangement and therebetween there are Gap, there are many type, the thickness of different types of coating cloud capture unit fiber and the arrangements of fiber for the coating cloud capture unit Density is different, and the layout density of the fiber of the coating cloud capture unit is gradually increased along the main flow direction of air;Coating cloud trapping is single Member is made into a plurality of types of coating cloud capture units according to the difference of filter fiber thickness and the difference of filter fiber layout density;
The diameter for being arranged in the filter fiber of the coating cloud capture unit of coating cloud capturing device leading portion is 20~50 microns, filter fiber Between aperture be 500 microns to 2000 microns;
The diameter for being arranged in the filter fiber of the coating cloud capture unit of coating cloud capturing device interlude is 10 microns to 20 microns, mistake The aperture between fiber is filtered at 200 microns to 500 microns;
The filter fiber for being arranged in the coating cloud capture unit of coating cloud capturing device back segment is thinner, and the aperture between filter fiber is 5 Micron is to 200 microns.
2. a kind of dry type paint spraying system, for separating spray object to being sprayed-on object and sprayed and trapped, it is characterised in that: use Disposable multi-stag coating cloud capturing device as described in claim 1 separated the component of spray object, setting as trapping At the exhaust outlet of paint spraying system, spray object is crossed in trapping separation discharge air.
3. crossing the method for spraying object caused by during a kind of trapping split spray, the process of this method is as follows: carrying spray The air of object is directed at multi-stag coating cloud capturing device as described in claim 1 and is entered by the air of coating cloud capturing device Mouth enters coating cloud capturing device;Pass through at least two different types of coating clouds in coating cloud capturing device containing the air for crossing spray object Capture unit, the coating cloud in air are captured separation, and the air after the trapping separation of coating cloud capture unit is again through whole filter layer mistake It is discharged after filter by air outlet slit;After coating cloud capturing device reaches its trapping receiving limit, takes out coating cloud capturing device and simultaneously observe paint The distribution for spraying object is crossed in mist capturing device;Optimized according to the distribution for crossing spray object and is arranged in new coating cloud capturing device The type of coating cloud capture unit.
4. crossing the method for spraying object caused by during split spray according to claim 3, it is characterised in that: described Coating cloud capturing device is that disposable product is needed replacing into new after coating cloud capturing device reaches the trapping receiving limit Coating cloud capturing device.
5. crossing the method for spraying object caused by during split spray according to claim 4, it is characterised in that: coating cloud is caught The standard card slot of fixed coating cloud capture unit, the outer dimension phase of different types of coating cloud capture unit are provided in acquisition means Together, different types of coating cloud capture unit can be set among any one standard card slot.
6. crossing the method for spraying object caused by during split spray according to claim 4, it is characterised in that: according to taking Coating cloud capture unit of the distribution preferred arrangement of spray object in new coating cloud capturing device is crossed in coating cloud capturing device out Type.
7. crossing the method for spraying object caused by during split spray according to claim 4, it is characterised in that: by excellent The type for changing the coating cloud capture unit arranged in coating cloud capturing device, keeps each coating cloud capture unit in coating cloud capturing device equal Undertake lotus.
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JPS63267469A (en) * 1987-04-23 1988-11-04 Shizuo Kobayashi Paint mist capturing device
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CN203315952U (en) * 2013-05-30 2013-12-04 季茂顺 Paint mist dust filtering and purifying device for paint spraying room
CN203329521U (en) * 2013-06-28 2013-12-11 丹东天皓净化材料有限公司 Combined paint mist filter
CN104941369B (en) * 2015-06-10 2017-05-24 嘉兴启净涂装科技有限公司 Graded capturing plate for painting mist and application of graded capturing plate
CN205288804U (en) * 2016-01-10 2016-06-08 周小参 Multiple -step type coating cloud entrapment device and painting system

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