CN116899794A - Upwind integral dry paint mist collecting box - Google Patents
Upwind integral dry paint mist collecting box Download PDFInfo
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- CN116899794A CN116899794A CN202311146338.3A CN202311146338A CN116899794A CN 116899794 A CN116899794 A CN 116899794A CN 202311146338 A CN202311146338 A CN 202311146338A CN 116899794 A CN116899794 A CN 116899794A
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- paint mist
- air
- collecting box
- upwind
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- 239000003973 paint Substances 0.000 title claims abstract description 201
- 239000003595 mist Substances 0.000 title claims abstract description 164
- 238000002156 mixing Methods 0.000 claims abstract description 60
- 238000001914 filtration Methods 0.000 claims abstract description 57
- 230000000712 assembly Effects 0.000 claims abstract description 30
- 238000000429 assembly Methods 0.000 claims abstract description 30
- 230000000694 effects Effects 0.000 claims abstract description 19
- 239000000835 fiber Substances 0.000 claims description 98
- 239000003365 glass fiber Substances 0.000 claims description 26
- 239000002245 particle Substances 0.000 claims description 24
- 238000009423 ventilation Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 21
- 239000002893 slag Substances 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 16
- 238000005303 weighing Methods 0.000 claims description 9
- 239000002985 plastic film Substances 0.000 claims description 8
- 229920006255 plastic film Polymers 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000002657 fibrous material Substances 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 description 18
- 238000000576 coating method Methods 0.000 description 18
- 238000000926 separation method Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 13
- 239000008187 granular material Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 239000002987 primer (paints) Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000005507 spraying Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000002966 varnish Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000011110 re-filtration Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/43—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by filtering the air charged with excess material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention discloses an upwind integral dry paint mist collecting box, which comprises an outer box body, wherein the bottom side part of the outer box body is provided with an air inlet, the air inlet is communicated with a mixing air channel at the bottom of the outer box body, the mixing air channel is communicated with a main filtering area above the mixing air channel through an inner air inlet, a plurality of rows of filtering assemblies arranged along the horizontal direction are arranged in the main filtering area, the top of the main filtering area is provided with a second air outlet, and the air inlet extends to the inside of the mixing air channel through an adjustable Venturi air channel; the filter component arranged in the main filter area is an external filter element. According to the invention, the external filter element and the adjustable Venturi air duct are adopted, so that the fiber materials are uniformly distributed on the thorn column by the external filter element, and the filtering effect is ensured; when the weight of paint mist trapped in the Venturi air duct is increased, the elastic supporting piece arranged on the lower surface of the bottom plate is compressed, the opening angle formed by the bottom plate and the top plate is increased, so that the angle of the far end of the Venturi air outlet is adjusted, and the filtering effect is improved.
Description
Technical Field
The invention relates to the field of automobile and parts and general industrial spraying equipment, in particular to an upwind integral dry paint mist collecting box for a dry spray booth.
Background
In the field of automobile and general industrial spraying, a large amount of overspray fog can be generated in the spraying process, the overspray fog needs to be purified, separated and filtered to remove the contained paint, and the rest air is supplied to a clean air supply chamber at the top of a spraying room after temperature and humidity adjustment, so that a complete closed-loop circulation system is formed.
The method comprises the steps of purifying, separating and filtering paint mist in the process, arranging dry paint mist collecting boxes along a paint mist air outlet of a spray booth, wherein the existing dry paint mist collecting boxes commonly adopt dry mobile trolleys as carriers, arranging a plurality of dry paint mist collecting boxes in the dry mobile trolleys, manually installing new dry paint mist collecting boxes on the dry mobile trolleys, and then connecting the dry mobile trolleys with the air outlet of the spray booth in a pressing manner; the used dry-type travelling trolley is used for disassembling and transferring the hazardous waste dry-type paint mist collecting boxes one by one through manual operation.
In order to solve the above-mentioned problems, patent document 201610083292.9 discloses a layered paint mist separating device, which comprises a shell for guiding air flow and a paint mist separating component arranged therein, wherein the shell is provided with an air inlet and an air outlet, the layered paint mist separating device is arranged in an exhaust path of a spraying operation area, and overspray mist generated by spraying is carried by air to directly enter the paint mist separating device; the paint mist separating component is arranged on each layer of the rack in series in a layered manner; the internal structure of the paint mist separating component is of various types, paint mist separating units are arranged in at least two types of paint mist separating components, a cavity structure is arranged between the paint mist separating units, and the paint mist separating units and the cavity structure between the paint mist separating units form a paint mist collecting and accommodating mechanism.
The drawbacks of the above-mentioned patent solutions are:
1) The paint mist separation device is connected with a venturi channel of the dry type spray booth through an air inlet, high-speed air coming out from the venturi channel and overspray mist carried by the high-speed air are moved to the bottom of a groove-shaped paint mist separation part of the bottom layer of the paint mist separation device under the action of inertia force, part of the air and overspray particles carried by the air can collide with the bottom of the groove-shaped paint mist separation part, and overspray paint mist in the air can collide and adhere to the bottom of the groove-shaped paint mist separation part.
In the process, paint slag adsorbed on the inner surface of the venturi passage and the inner surface of the groove-shaped paint mist separating component can be gradually accumulated, when the paint slag is gradually increased, the air passages inside the venturi passage and the groove-shaped paint mist separating component can be changed,
2) The air containing overspray mist entering the venturi channel from the air conduction chamber is further accelerated by the rapid decrease in ventilation area. In the process of passing through the Venturi channel, the ventilation area is gradually reduced, the ventilation area reaches the minimum value and the wind speed reaches the maximum value at the position of the Venturi channel outlet, and the air carrying the overspray fog enters the groove-shaped paint fog separating part at the bottom of the paint fog separating device in place at high speed in an inclined downward direction.
In the above process, the overspray fog in the air can strike and adhere to the bottom and the side plates of the groove-shaped paint fog separating component, and as the inner wall of the groove-shaped paint fog separating component at the bottom is smooth, the capability of capturing paint fog is weak, so that a large amount of paint fog striking the bottom and the side plates of the groove-shaped paint fog separating component can not be captured and adsorbed, and the air flowing through the groove-shaped paint fog separating component at the bottom still can carry a large amount of overspray paint fog. Especially when applied to powdery priming paint, the groove-shaped paint mist separating component at the bottom almost fails to work, and the burden of a subsequent filtering component is seriously increased.
When the overspray paint mist is colored paint or varnish, the colored paint is sticky, the varnish is easy to adhere, paint slag clusters are formed at the bottom of the groove-shaped paint mist separation component under the action of inertia force, the paint slag clusters are gradually enlarged at the bottom corresponding to the position area of the Venturi air outlet after long-time use, the paint slag clusters are seriously blocked in the vicinity of the Venturi air outlet, and the paint mist at the Venturi channel outlet is not smooth to turn and pass.
When the paint mist is the primer, because the primer is powder, paint slag clusters cannot be formed under the influence of high-speed dynamic paint mist wind, but the paint slag clusters can fly in disorder in the inner space of the groove-shaped paint mist separating component under the influence of air flow, and a part of primer particles can enter the paint mist separating component above along with the air flow, so that fine filtering pollution is caused. The other part of primer particles can stay in the groove-shaped paint mist separating component at the bottom for a long time, stay in a turbulent state, accumulate more and more seriously with time, and can cause the failure of the function of the groove-shaped paint mist separating component when the condition is serious.
3) Air and paint mist carried by the air are filtered in advance by the groove-shaped paint mist separating component at the bottom, then flow upwards continuously and enter the groove-shaped paint mist separating component at the top for fine filtration, a plurality of paint mist separating units are arranged in the groove-shaped paint mist separating component at the top, the paint mist separating units are fixedly connected by a frame, the paint mist separating units are of corrugated plate-shaped structures with multiple bending, and a gap between two adjacent paint mist separating units forms an air flow channel with multiple bending. The air and the overspray carried by the air can enter the paint mist separation unit and also enter the paint mist separation component along the gap between the paint mist separation units.
In the process that the air and the overspray fog particles carried by the air pass through the paint fog separation unit, the overspray particles in the air are collided and adhered by the filter fibers in the paint fog separation unit, and the air continues to flow forwards. However, as the service time is prolonged, the inside of the paint mist separation unit can be poor in air permeability and even blocked due to the fact that a large amount of paint is adsorbed, so that the filtering effect of the paint mist separation device is affected.
4) The multi-layer paint mist separating component of the shelf type is characterized in that the layers are independently pulled and replaced due to the fact that the layers are independently used, gaps among the layers are large, paint mist wind is caused to flow through the gaps under the action of positive pressure, air leakage is extremely serious, filtering precision and filtering efficiency are seriously affected, the strength and the hardness of the varnish after being bonded and solidified are high, the paint mist separating component and a peripheral metal trolley are difficult to separate, and the difficulty of removing and replacing the paint mist separating component is large.
In addition, paint mist separation unit among the above-mentioned scheme adopts built-in structure, and inside filter fiber material is fixed by outside frame, and this kind of structure can't guarantee that inside fiber material evenly distributes in outside frame, and filter fiber material appears local inhomogeneous phenomenon easily when filling, and this filter effect that also can further influence paint mist separation device.
It should be noted that in the dry paint mist collecting box with upward ventilation in the prior art, the filtering sectional area of the air outlet at the top is extremely limited, if a high-density fine filter layer is arranged at the air outlet, the blocking caused by insufficient filtering sectional area can be caused more quickly, and the service life of the dry paint mist collecting box is further reduced; however, if the last dry fine filter layer is not arranged at the air outlet, air leakage is serious, and the service life of the subsequent re-filtration of the integral dry paint mist collecting box is seriously influenced due to the lack of the guarantee of the last fine filter layer.
Accordingly, there is a need for an improvement in such a structure that overcomes the various drawbacks described above.
Disclosure of Invention
The invention aims to provide an upwind integral dry paint mist collecting box, which aims to solve the defects in the prior art.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides an upwind whole dry-type paint mist catch box, includes the outer box, and the bottom side of outer box is equipped with the air inlet, and the air inlet is linked together with the air mixing passageway of outer box bottom, and the air mixing passageway is linked together with the main filtration district of top through inside wind gap, is equipped with a plurality of rows of filter components that arrange along the horizontal direction in the main filtration district, and the top of main filtration district is equipped with the second air outlet, the air inlet extends to the inside of air mixing passageway through adjustable venturi wind channel; the filter component arranged in the main filter area is an external filter element.
The adjustable Venturi air duct comprises a top plate, side plates arranged on two sides of the top plate and a bottom plate arranged below the top plate and the side plates through an adjustable structure.
One end of the top plate is fixedly connected with an outer box body wall plate at the top of the air inlet, the top plate is provided with a bent Venturi structure, and the other end of the top plate extends to the inside of the air mixing channel.
The curb plate sets up in roof both sides respectively, the top of curb plate and the side fixed connection of roof, and the below of curb plate is provided with the bottom plate.
One end of the bottom plate is movably connected with the outer box body wall plate at the bottom of the air inlet, glass fibers are arranged on the upper surface of the bottom plate, an elastic supporting piece is arranged at the movable connection part of the bottom plate and the outer box body wall plate, one end of the elastic supporting piece is connected with the lower surface of the bottom plate, and one end of the elastic supporting piece is connected with the outer box body wall plate;
When the air flow containing paint mist flows into the air mixing channel in the outer box body through the air inlet, part of the paint mist is trapped by glass fibers arranged on the bottom plate under the action of the Venturi air channel, and along with the weight increase of the paint mist trapped by the glass fibers on the bottom plate, the elastic supporting piece arranged on the lower surface of the bottom plate is compressed, and the opening angle formed by the bottom plate and the top plate is increased, so that paint slag clusters formed by the paint mist are prevented from affecting the air flow.
Further, the bottom surface of the air mixing channel is provided with a bottom filter, and glass fibers are arranged on four side plates of the air mixing channel; the bottom filter comprises a positioning thorn and glass fibers, the positioning thorn is arranged along the bottom surface of the air mixing channel, the filter fibers are paved on the bottom surface of the air mixing channel through the positioning thorn, and when the air flow containing paint mist passes through the air mixing channel, part of the paint mist is trapped by the glass fibers arranged inside the air mixing channel.
Further, the bottom filter is of an integral tiling structure or a split arc-shaped, V-shaped or W-shaped structure.
Further, the split arc-shaped, V-shaped or W-shaped structures are arranged in parallel along the length direction or the width direction of the air mixing channel.
Further, a plurality of filter fiber assemblies are arranged at the inner air opening of the air mixing channel, each filter fiber assembly comprises an upper filter fiber which is obliquely arranged, a lower filter fiber which is vertically arranged is arranged at the bottom of each upper filter fiber, and an air channel is arranged between each upper filter fiber and each lower filter fiber which are adjacent;
When the air current that contains granule coating cloud flows into the inside air mixing passageway of outer box, partial granule coating cloud can break away from the glass fiber absorption and the entrapment on the air mixing passageway curb plate of bottom filtration, and when granule coating cloud can flow through the filtration fiber subassembly along with the air current through the air flue, it can be adsorbed and the entrapment by last filtration fiber and lower filtration fiber to prevent that granule coating from getting into main filtration district through inside wind gap.
Further, the filter components arranged in the main filter area are distributed in an array structure, and the cross section area of the filter components in the front row is larger than that of the filter components in the rear row;
a vent is arranged between the filter assemblies in the same row, gaps are arranged between the filter assemblies in the front row and the rear row, and the sizes of the vent and the gaps are reduced from the inner air opening to the second air outlet;
the filter assemblies are arranged in the main filter area in an staggered manner, the filter assemblies of the front row are opposite to the ventilation openings of the rear row, the ventilation openings of the front row are opposite to the filter assemblies of the rear row, and the filter assemblies and the ventilation openings of the same row are all distributed on the same straight line; the volume and the density of the filter fibers arranged on the filter assembly are gradually increased from the inner air opening to the second air outlet.
Further, the filter component arranged in the main filter area comprises a framework and filter fibers, two ends of the framework are fixedly connected with the inner wall of the outer box body respectively, a plurality of positioning thorns are arranged on the outer surface of the framework, and the filter fibers are wound on the framework through the positioning thorns.
Furthermore, the skeleton is hollow thorn post, and the location thorn distributes along the length direction of skeleton, and the location thorn symmetry on the coplanar is provided with two sets of, and the location thorn on the different planes is crisscross to be distributed, and the thorn post is circular or oval to realize different location thorn space arrangements.
Furthermore, the skeleton is hollow thorn post, and the location thorn distributes along the length direction of skeleton, and the location thorn symmetry on the coplanar is provided with a set of, and the location thorn on the different planes is crisscross to be distributed, and the thorn post is circular or oval to realize different location thorn space arrangements.
Further, the framework is a solid thorn column, the positioning thorns are distributed along the length direction of the framework, a group of positioning thorns on the same plane are symmetrically arranged, and the positioning thorns on different planes are positioned on the same straight line; the positioning thorns have different lengths so as to realize different positioning thorn space arrangement.
Further, the skeleton is solid thorn post, and the location thorn distributes along the length direction of skeleton, and the location thorn symmetry on the coplanar is provided with two sets of, and the location thorn on the different planes is crisscross to be distributed, and the location thorn has different lengths to realize different location thorn space arrangements.
Further, the dry paint mist collecting box is arranged on the movable carrying trolley, the movable carrying trolley comprises a bottom supporting plate, a bearing guide wheel is arranged at the bottom of the bottom supporting plate, a forklift insertion opening is arranged on one side of the bottom supporting plate, an air outlet baffle is arranged on the edge of the bottom supporting plate on the other side opposite to the forklift insertion opening, and side baffles are respectively arranged at the edges of the bottom supporting plates at two ends of the air outlet baffle.
Further, the second air outlet is provided with an elastic sealing structure, the elastic sealing structure comprises an elastic seal and a plastic film, the elastic seal is arranged around the outer surface of the periphery of the second air outlet, the plastic film extends from the second air outlet to the periphery, the plastic film is used for including the elastic seal, and the periphery edge of the joint of the elastic seal and the second air outlet is tightly pressed and sealed.
Furthermore, the dry paint mist collecting box forms surface seal with the inner wall of the dry spray room through an elastic sealing structure, and a weighing meter is arranged on the movable carrying trolley and used for automatically weighing the dry paint mist collecting box.
Further, a fine filter layer is arranged at the second air outlet at the top of the main filter area, the fine filter layer is arranged along the plane of the second air outlet, the fine filter layer is provided with a plurality of layers of filter media, the filter media of the outer layer are coated with the filter media of the inner layer, and the filter media are arc-shaped, V-shaped or W-shaped; the density and hardness of the filter medium of the fine filter layer are greater than those of the filter assembly, and the thickness of the filter medium of the fine filter layer is less than that of the filter assembly.
In summary, the invention has the following beneficial effects:
1. through setting up adjustable venturi passageway in the bottom side of dry-type paint mist catch box, when the air current that contains paint mist flows into the inside air mixing passageway of outer box through the income wind gap, under the effect in venturi wind channel, partial paint mist is caught by the glass fiber that sets up on the bottom plate, and along with the weight increase of glass fiber entrapment paint mist on the bottom plate, the elastic support piece that the bottom plate lower surface set up is compressed, the opening angle that bottom plate and roof constitute increases.
2. Glass fibers are arranged on the bottom surface and the side surface of the air mixing channel so as to improve the trapping capacity of the air mixing channel on paint mist. When the air current that contains granule coating cloud flows into the inside air mixing passageway of outer box, partial granule coating cloud can break away from the glass fiber absorption and the entrapment on the air mixing passageway curb plate of bottom filtration, and when granule coating cloud can pass through the filter fiber subassembly along with the air current, it can be adsorbed and the entrapment by last filter fiber and lower filter fiber to prevent that granule coating cloud from getting into main filtration district through inside wind gap.
3. Through being equipped with a plurality of filter fiber subassemblies in the inside wind gap department of mixing the wind passageway, filter fiber subassembly is including the last filter fiber that the slope set up, goes up the fixed setting of filter fiber, goes up filter fiber's bottom and is equipped with the lower filter fiber of vertical setting, and lower filter fiber does not have fixed knot to be constructed, is in free state under the influence of power wind, unrestricted. Be equipped with big enough air flue between adjacent last filter fiber and lower filter fiber, when being applied to the entrapment of likepowder primer coating cloud, likepowder coating cloud granule is adsorbed on upper and lower filter fiber by a large amount of entrapment under the effect of upper and lower filter fiber, and follow-up primer coating cloud can be hindered by the absorptive primer granule in top when passing upper and lower filter fiber and drop to by the filter fiber of bottom and lateral part effective absorption, thereby prevent likepowder primer coating cloud granule and coating cloud and get into the main filtration district of top along with ascending air current, reduce the burden of follow-up filter assembly, prolong the life of filtering the consumptive material.
4. Install filter fiber on the skeleton through the external position thorn, effectively keep the fluffy performance and the state of filter fiber, guarantee to receive the action of gravity and can not drop down behind the filter fiber adsorption lacquer sediment in the paint mist wind operation process from bottom to top, very big improvement filter fiber's steadiness, improvement filter effect and filtration precision.
5. Adopt the fixed knot of the horizontal filter fiber that intensity is sufficient, optimize the arrangement mode of filter fiber, filter the subassembly, ventilation hole and clearance adopt the front and dredge the dense arrangement mode in back, under the prerequisite of the inside three-dimensional space of make full use of dry-type coating cloud entrapment case, arrange more filter the subassembly, and leave sufficient ventilation interval to guarantee that the air current can carry out effective filtration through main filtration district smoothly.
6. The integral dry paint mist collecting box has longer ventilating duct, more arrangeable dry filter assemblies, larger volume, higher filtering level from the air inlet to the air outlet, gradual encryption, longer filtering path, more times of paint mist impact and longer retention time of paint mist, so that the multi-group filter assemblies synchronously reach the service life, and the integral dry filter effect is better and the service life is longer.
7. The filter fiber is tightly and firmly connected with the framework by adopting a fixing mode of winding the filter fiber outside the framework, so that the filter fiber cannot be loosened; and the winding fixing mode is convenient for realizing automatic operation, and improves production efficiency.
8. The dry paint mist collecting box is arranged in a metal sealing chamber connected with the spray booth, and forms surface sealing with the inner wall of the dry spray booth through an elastic sealing structure, so that sealing is completely realized under the condition that a sealing structural member in an external ventilating duct is not adopted.
9. The movable carrying trolley is provided with the weighing meter which is used for carrying out real-time on-line automatic weighing on the dry paint mist collecting box so as to realize automatic weighing on the dry paint mist collecting box, the measured weight and the pressure difference detection instrument are used for comparing data analysis together, the monitoring result of the paint mist collecting box is more accurate, and the replacement of the dry paint mist collecting box is more timely.
10. Through setting up the meticulous filter layer in top air outlet department, can be to the mist particle of little particle diameter or the big particle diameter mist particle that leaks entrapment, meticulous filter layer adopts arc or V type or the meticulous filter layer of W type that increases sectional area, under the effect of air current, the meticulous filter layer continuously has continuous dynamic fluctuation from top to bottom, from this, the absorbing paint slag powder of meticulous filter layer has certain natural whereabouts under the effect of dynamic fluctuation, and then is absorbed by the multistage filtration fibre upper surface of below gradually, the filtration fibre subassembly is except from the lower side absorption mist particle, also increase the absorption efficiency of filtration fibre top.
Drawings
FIG. 1 is a schematic diagram of an upwind integral dry paint mist collecting box according to the invention.
FIG. 2 is a schematic view of a venturi air duct and air mixing channel according to the present invention.
Fig. 3 is a schematic view of a filter fiber assembly according to the present invention.
Fig. 4 is a schematic view of an external filter element according to the present invention.
Fig. 5 is a schematic view of a filter fiber according to the present invention.
FIG. 6 is a schematic view of a skeleton and positioning thorns according to the present invention.
Fig. 7 is a schematic view of a hollow spike according to the present invention.
Fig. 8 is a schematic view of a solid spike of the present invention.
Fig. 9 is a schematic view of the structure of the mobile carriage according to the present invention.
FIG. 10 is a schematic view of a fine filter layer according to the present invention.
Detailed Description
In order that the manner in which the above-recited features, advantages, objects and advantages of the invention are obtained, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
As shown in fig. 1 to 10, the invention provides an upwind integral dry paint mist collecting box, which comprises an outer box body 1, wherein an air inlet 11 is arranged at the side of the bottom of the outer box body 1, the air inlet 11 is communicated with an air mixing channel 12 at the bottom of the outer box body 1, the air mixing channel 12 is communicated with a main filtering area 14 above through an inner air inlet 13, a plurality of rows of filtering components 15 arranged along the horizontal direction are arranged in the main filtering area 14, and a second air outlet 36 is arranged at the top of the main filtering area 14; the air inlet 11 extends to the inside of the air mixing channel 12 through an adjustable Venturi air channel 16; the filter assembly 15 of the main filter area 14 is an external filter element.
The main filtering area 14 of the invention integrally adopts a ventilation structure with lower side inlet and upper air outlet, the air flow in the main filtering area 12 does not need to turn, the cross sections of the inner air port 13 and the second air outlet 36 are basically the same, and the air speed is kept uniform when the air flow flows through the main filtering area 14.
In addition, the invention changes the layer frame structure in the prior art into the filter assembly 15 arranged in the horizontal direction, thereby increasing the whole filter space and the setting quantity of the filter fibers 35, increasing the filter capacity, simultaneously, the air flow directly passes through the dry paint mist collecting box from bottom to top, the ventilation sectional area is increased, the wind speed is more stable, the filtration is more uniform, and the filtration effect is better.
Example 1
In this embodiment, through setting up adjustable venturi passageway in the bottom side of dry-type coating cloud catch case to the internal surface of venturi passageway among the prior art and the internal surface of slot-shaped coating cloud separating element can pile up gradually because of the paint slag of absorption, and the wind channel of change venturi passageway and slot-shaped coating cloud separating element inside influences the normal operating problem of coating cloud separator and dry-type spray booth system.
The adjustable venturi air duct 16 in the present embodiment includes a top plate 17, side plates 18 provided on both sides of the top plate 17, and a bottom plate 19 provided below the top plate 17 and the side plates 18 by an adjustable structure. The venturi air duct 16 of the present embodiment gradually decreases from the outside to the inside of the outer case 1, and the flow rate of the paint mist-containing air flow increases after passing through the venturi air duct 16, and enters the air mixing passage 12 at a high speed.
Specifically, one end of the top plate 17 is fixedly connected with an outer box wall plate at the top of the air inlet 11, the top plate 17 has a bent venturi structure, and the other end of the top plate 17 extends to the inside of the air mixing channel 12. The side plates 18 are respectively arranged on two sides of the top plate 17, the top of each side plate 18 is fixedly connected with the side surface of the top plate 17, and a bottom plate 19 is arranged below each side plate 18.
One end of the bottom plate 19 is movably connected with an outer box body wall plate at the bottom of the air inlet 11, glass fibers are arranged on the upper surface of the bottom plate 19, a spring 20 is arranged at the movable connection part of the bottom plate 19 and the outer box body wall plate, one end of the spring 20 is connected with the lower surface of the bottom plate 19, and one end of the spring 20 is connected with the outer box body wall plate.
When paint mist-containing air flows into the air mixing channel 12 in the outer box body 1 through the air inlet 11, part of paint mist is trapped by glass fibers arranged on the bottom plate 19 under the action of the Venturi air channel 16, and as the weight of the paint mist trapped by the glass fibers on the bottom plate 19 increases, the spring 20 arranged on the lower surface of the bottom plate 19 is compressed, and the opening angle formed by the bottom plate 19 and the top plate 17 increases, so that paint slag clusters formed by the paint mist are prevented from affecting the air flow.
Example 2
In this embodiment, glass fibers are disposed on the bottom surface and the side surface of the air mixing channel 12, so as to improve the capturing capability of the air mixing channel 12 to paint mist. When being applied to the trapping of powdery primer, this embodiment is still equipped with a plurality of filter fiber subassemblies 22 in the inside wind gap 13 department of mixing air channel 12, filter fiber subassemblies 22 is including the last filter fiber 23 of slope setting, the bottom of going up filter fiber 23 is equipped with the lower filter fiber 24 of vertical setting, be equipped with air flue 25 between adjacent last filter fiber 23 and lower filter fiber 24, thereby solved among the prior art because the slot form paint mist separating element inner wall of bottom is smooth, its ability of entrapment paint mist is weaker, lead to a large amount of bottom and the paint mist of curb plate striking slot form paint mist separating element can not be by the entrapment absorption, the air that flows through slot form paint mist separating element of bottom still can carry a large amount of problem of overspray paint mist.
The bottom surface of the air mixing channel 12 in the embodiment is provided with a bottom filter 21, and glass fibers are arranged on four side plates of the air mixing channel 12; the bottom filter 21 comprises a positioning thorn and glass fibers, the positioning thorn is arranged along the bottom surface of the air mixing channel 12, the filter fibers are paved on the bottom surface of the air mixing channel 12 through the positioning thorn, and when paint mist-containing air flows through the air mixing channel 12, part of paint mist is trapped by the glass fibers arranged inside the air mixing channel 12.
Specifically, the bottom filter 21 is a unitary tiled structure, or a split arcuate, V-shaped or W-shaped structure. A plurality of split type arc, V type or W shape structure are along the length direction or the width direction parallel arrangement of mixing wind passageway 12, through adopting above-mentioned structure for the surface area of bottom filtration 21 is bigger, makes the inside that contains coating cloud air current more easily get into bottom filtration 21, promotes the bottom and filters 21 to the entrapment ability of coating cloud.
When the embodiment is applied to powder primer trapping, a plurality of filter fiber assemblies 22 are arranged at the inner air port 13 of the air mixing channel 12, the filter fiber assemblies 22 comprise obliquely arranged upper filter fibers 23, vertically arranged lower filter fibers 24 are arranged at the bottoms of the upper filter fibers 23, and ventilation channels 25 are arranged between the adjacent upper filter fibers 23 and the lower filter fibers 24.
When the air flow containing the particle paint mist flows into the air mixing channel 12 in the outer box 1, part of the particle paint mist can be separated from the bottom filter 21 and glass fibers on the side plates of the air mixing channel 12 to be adsorbed and trapped, and when the particle paint mist can flow through the filter fiber assembly 22 along with the air flow through the air duct 25, the particle paint mist can be adsorbed and trapped by the upper filter fiber 23 and the lower filter fiber 24 so as to prevent the particle paint from entering the main filter area 14 through the inner air port 13.
Example 3
According to the embodiment, the external filter assembly 15 is adopted, so that the problem that the air permeability of the paint mist separating unit is poor and even blocked due to the fact that a large amount of paint is adsorbed in the paint mist separating unit in the prior art is solved, and the filtering effect of the paint mist separating device is affected; and because the prior art adopts built-in structure, can't guarantee that inside fibrous material evenly distributes in outside frame, fibrous material appears the inhomogeneous phenomenon of part easily when filling to further influence paint mist separator's filter effect's problem.
The filter assemblies 15 disposed in the main filter area 14 in the present embodiment are distributed in an array structure, and the cross-sectional area of the filter assembly 15 in the front row is larger than that of the filter assembly 15 in the rear row; a vent 33 is provided between the filter assemblies 15 in the same row, and a gap 34 is provided between the filter assemblies 15 in the front and rear rows, and the sizes of the vent 33 and the gap 34 decrease from the inner vent 13 toward the second vent 36. Since the filter fibers 35 of the filter assembly 15 will expand after absorbing paint, and the filter fibers 35 of the front filter assembly 15 will absorb a larger amount of paint, a larger gap 34 will be required to accommodate the expanded filter fibers 35, and the filter fibers 35 of the rear filter assembly 15 will absorb a smaller amount of paint, and the expanded volume will be smaller, so that the rear filter assembly 15 will not need a larger gap 34.
The filter assemblies 15 are arranged in the main filter area 14 in an staggered manner, the filter assemblies 15 of the front row are opposite to the ventilation openings 33 of the rear row, the ventilation openings 33 of the front row are opposite to the filter assemblies 15 of the rear row, and the filter assemblies 15 and the ventilation openings 33 of the same row are all distributed on the same straight line; the volume and density of the filter fibers 35 provided on the filter assembly 15 gradually increase from the inner tuyere 13 toward the second air outlet 36. Through adopting above-mentioned structure to arrange filter assembly 15 for filter assembly 15 and vent 33 are the staggered arrangement, make full use of outer box 1's inner space, and can guarantee that the coating cloud is filtered, can not lead to filter assembly 15 to block up again.
The filter assembly 15 arranged in the main filter area 14 comprises a framework 26 and filter fibers 35, two ends of the framework 26 are fixedly connected with the inner wall of the outer box body 1 respectively, a plurality of positioning thorns 27 are arranged on the outer surface of the framework 26, and the filter fibers 35 are wound on the framework 26 through the positioning thorns 27.
The framework 26 is a hollow thorn column, the positioning thorns 27 are distributed along the length direction of the framework 26, two groups of positioning thorns 27 on the same plane are symmetrically arranged, the positioning thorns 27 on different planes are distributed in a staggered manner, and the thorn columns are round or oval so as to realize different spatial arrangement of the positioning thorns 27.
The framework 26 is a hollow thorn column, the positioning thorns 27 are distributed along the length direction of the framework 26, a group of positioning thorns 27 on the same plane are symmetrically arranged, the positioning thorns 27 on different planes are distributed in a staggered manner, and the thorn columns are round or oval so as to realize different spatial arrangement of the positioning thorns 27.
The framework 26 is a solid thorn column, the positioning thorns 27 are distributed along the length direction of the framework 26, a group of positioning thorns 27 on the same plane are symmetrically arranged, and the positioning thorns 27 on different planes are positioned on the same straight line; the positioning spines 27 have different lengths to realize different spatial arrangements of the positioning spines 27.
The framework 26 is a solid thorn column, the positioning thorns 27 are distributed along the length direction of the framework 26, two groups of positioning thorns 27 on the same plane are symmetrically arranged, the positioning thorns 27 on different planes are distributed in a staggered manner, and the positioning thorns 27 have different lengths so as to realize different spatial arrangement of the positioning thorns 27.
Before the filter fiber 35 in this embodiment is disposed on the positioning thorn 27, the filter fiber 35 is stretched several times in the thickness direction of the filter fiber 35 to be in a fluffy state and then connected to the positioning thorn 27, and the filter fiber 35 is wound around the positioning thorn 27.
The filter fibers 35 in the embodiment are externally arranged on the framework 26 through the positioning thorns 27, so that the fluffy performance and state of the filter fibers 35 are effectively maintained, and the filtering effect and the filtering precision are improved;
In this embodiment, the fixing structure of the filter fibers 35 with sufficient strength and horizontal level is adopted, the arrangement mode of the filter fibers 35 is optimized, the filter assemblies 15, the ventilation holes 33 and the gaps 34 are arranged in a front-to-rear dense mode, more filter assemblies 15 are arranged on the premise of fully utilizing the three-dimensional space inside the dry paint mist collecting box, and sufficient ventilation spaces are reserved to ensure that the air flow can smoothly pass through the main filter area 14.
The fixing mode of winding the filter fiber 35 by the framework 26 in the embodiment ensures that the filter fiber 35 and the framework 26 are connected very tightly and firmly and cannot be loosened; and the winding fixing mode is convenient for realizing automatic operation, and improves production efficiency.
Example 4
The dry paint mist collecting box is arranged on the movable carrying trolley 28, the movable carrying trolley 28 comprises a bottom supporting plate 29, a bearing guide wheel 30 is arranged at the bottom of the bottom supporting plate 29, a forklift insertion opening 31 is arranged on one side of the bottom supporting plate 29, an air outlet baffle 37 is arranged on the edge of the bottom supporting plate 29 on the other side opposite to the forklift insertion opening 31, and side baffles 32 are respectively arranged on the edges of the bottom supporting plate 29 on two ends of the air outlet baffle 37.
The second air outlet 36 is provided with an elastic sealing structure, the elastic sealing structure comprises an elastic seal arranged around the outer surface of the periphery of the second air outlet 36 and a plastic film extending from the second air outlet 36 to the periphery, the plastic film is used for including the elastic seal, and the periphery edge of the joint of the elastic seal and the second air outlet 36 is tightly pressed and sealed.
The bottom surface of the dry spray room filter chamber is provided with a front inclined plane groove and a rear inclined plane groove, the arrangement distance of the front inclined plane groove and the rear inclined plane groove is the same as the arrangement distance of the front wheel and the rear wheel of the movable carrying trolley, the front wheel and the rear wheel of the movable carrying trolley respectively enter the front inclined plane groove and the rear inclined plane groove in the butt joint process with the longitudinal air outlet of the dry spray room when the movable carrying trolley loads the dry paint mist catching box, and the dry paint mist catching box is in butt joint with the air outlet of the spray room more tightly under the action of the front inclined plane groove and the rear inclined plane groove.
In the process of pushing the outer box body and after pushing, the elastic sealing structure is overlapped with the spray booth body, and the periphery of the operation door is tightly pressed after being closed. The dry paint mist collecting box forms face seal with the inner wall of the dry spray room through an elastic sealing structure, a weighing meter is arranged on the movable carrying trolley 28 and used for automatically weighing the dry paint mist collecting box, so that the dry paint mist collecting box is automatically weighed, the measured weight and a pressure difference detecting instrument are used for comparing data analysis together, and the result is more accurate.
In this embodiment, the elastic sealing structure at the second air outlet 36 of the dry paint mist capturing device does not need an external third party sealing valve group, adopts a material with enough elasticity such as sponge/rubber, and the like, and is applied to the periphery of the wall plate of the spray booth at the second air outlet 36 and is adhered, the outside is covered with a plurality of layers of disposable plastic films, and after the dry filter device moves into the air inlet for positioning, the periphery is tightly pressed through elasticity, so that sealing is realized.
In the embodiment, a plurality of small paper boxes and an external dry-type movable trolley are taken as carriers, an integral dry-type paint mist collecting box structure is adopted, and the movable carrying trolley 28 is arranged below and moved in and out for replacement without manual carrying operation. The embodiment reduces the dead weight of the dry paint mist collecting box and reduces the dangerous waste amount on the premise of guaranteeing the strength and the sealing effect of the dry paint mist collecting box. The embodiment cancels the structure of an external connection valve group, is connected in the ventilating duct in the spray booth body, and has simple sealing and good sealing effect. The integral dry paint mist collecting box structure of the embodiment directly adopts the movable carrying trolley 28 as a carrier, can be used on line, can be transported and stored out of line for use, is installed and collected to dangerous waste, and is free from falling to the ground in the whole process without manual carrying. In this embodiment, the main filtering area 14 is ventilated in the vertical direction, and each group of filtering components 15 is independently arranged, so that the strength is enough, the collapse caused by the weight of adsorbed paint is avoided, the installation and the connection are convenient, and the overall filtering effect is better by gradually increasing the design of the filtering cross section area and the density. The filter assembly 15 is integrally connected in a structure, and has sufficient strength. In the air duct structural design of the air outlet on the lower side of the embodiment, the fallen paint slag is far away from the second air outlet 36, so that the paint slag is prevented from polluting the post-process section along with the air flow.
In addition, a fine filter layer 38 is arranged at the second air outlet 36 at the top of the main filtering area 14, the fine filter layer 38 is arranged along the plane of the second air outlet 36, the fine filter layer 38 is provided with a plurality of layers of filter media, the filter media of the outer layer are coated with the filter media of the inner layer, and the filter media are arc-shaped, V-shaped or W-shaped; the density and hardness of the filter media of fine filter layer 38 is greater than the density and hardness of the filter media of filter assembly 15, and the thickness of the filter media of fine filter layer 38 is less than the thickness of the filter media of filter assembly 15.
The main function of the fine filter layer 38 is to collect paint mist particles with small particle size or large particle size which is leaked, the fine filter layer adopts an arc-shaped or V-shaped or W-shaped fine filter layer with increased sectional area, and under the action of air flow, the fine filter layer continuously has continuous up-down dynamic fluctuation, so that paint slag powder adsorbed by the fine filter layer has certain natural falling under the action of dynamic fluctuation.
The falling paint slag powder loses upward inertia acting force, the specific gravity of the paint slag powder is far higher than that of air, the paint slag powder is difficult to blow upwards again by dynamic wind, the paint slag powder is gradually absorbed by the upper surface of the lower multistage filter fiber, and the filter fiber component adsorbs paint mist particles from bottom to top and also increases the adsorption efficiency above the filter fiber.
Meanwhile, in the process that the fine filter layer gradually adsorbs paint slag powder and gradually falls down, the blockage can be slowed down, the ventilation performance can be better, the whole service life is prolonged, and meanwhile, the filter effect with enough precision is also achieved, so that the dry paint mist collecting box for upwind has the outstanding characteristic that the top fine filter layer is adopted.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", etc. refer to the directions or positional relationships based on those shown in the drawings, and are merely for clarity and convenience of description of the expression technical solution, and thus should not be construed as limiting the present invention.
In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements is included, and may include other elements not expressly listed.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (16)
1. The utility model provides an upwind whole dry-type paint mist collecting box, including outer box (1), the bottom side of outer box (1) is equipped with air inlet (11), air inlet (11) and air mixing passageway (12) of outer box (1) bottom communicate, air mixing passageway (12) are through inside wind gap (13) and main filtration district (14) of top intercommunication, be equipped with filter unit (15) that a plurality of rows arranged along the horizontal direction in main filtration district (14), the top of main filtration district (14) is equipped with second air outlet (36), characterized in that, air inlet (11) are through venturi wind channel (16) extension to the inside of air mixing passageway (12) with adjustable; the filter assembly (15) arranged in the main filter area (14) is an external filter element.
2. An upwind integral dry paint mist collecting box according to claim 1, characterized in that the adjustable venturi air duct (16) comprises a top plate (17), side plates (18) arranged on two sides of the top plate (17), and a bottom plate (19) arranged below the top plate (17) and the side plates (18) through an adjustable structure.
3. The upwind integral dry paint mist collecting box according to claim 2, wherein one end of the top plate (17) is fixedly connected with an outer box body wall plate at the top of the air inlet (11), the top plate (17) is provided with a bent venturi structure, and the other end of the top plate (17) extends to the inside of the air mixing channel (12).
4. The upwind integral dry paint mist collecting box according to claim 2, wherein the side plates (18) are respectively arranged at two sides of the top plate (17), the top of each side plate (18) is fixedly connected with the side surface of the top plate (17), and a bottom plate (19) is arranged below each side plate (18).
5. The upwind integral dry paint mist collecting box according to claim 2, wherein one end of the bottom plate (19) is movably connected with an outer box body wall plate at the bottom of the air inlet (11), glass fibers are arranged on the upper surface of the bottom plate (19), an elastic supporting piece (20) is arranged at the movable connection part of the bottom plate (19) and the outer box body wall plate, one end of the elastic supporting piece (20) is connected with the lower surface of the bottom plate (19), and one end of the elastic supporting piece (20) is connected with the outer box body wall plate;
when the paint mist-containing air flow flows into the air mixing channel (12) in the outer box body (1) through the air inlet (11),
under the effect of venturi wind channel (16), some paint mist is caught by the glass fiber that sets up on bottom plate (19), and along with the weight increase of glass fiber entrapment paint mist on bottom plate (19), elastic support spare (20) that bottom plate (19) lower surface set up are compressed, and the opening angle that bottom plate (19) and roof (17) constitute increases to prevent that the paint slag group that paint mist formed from influencing the air current from flowing.
6. The upwind integral dry paint mist collecting box according to claim 1, wherein the bottom surface of the air mixing channel (12) is provided with a bottom filter (21), and glass fibers are arranged on four side plates of the air mixing channel (12); the bottom filter (21) comprises a positioning thorn and glass fibers, wherein the positioning thorn is arranged along the bottom surface of the air mixing channel (12), the filter fibers are paved on the bottom surface of the air mixing channel (12) through the positioning thorn, and when paint mist-containing air flows through the air mixing channel (12), part of paint mist is trapped by the glass fibers arranged inside the air mixing channel (12).
7. An upwind integral dry paint mist collecting box according to claim 1, characterized in that the bottom filter (21) is of an integral tiled structure or a split arc-shaped, V-shaped or W-shaped structure; the split type arc-shaped, V-shaped or W-shaped structures are arranged in parallel along the length direction or the width direction of the air mixing channel (12).
8. The upwind integral dry paint mist collecting box according to claim 6, characterized in that a plurality of filter fiber components (22) are arranged at an inner air port (13) of the air mixing channel (12), the filter fiber components (22) comprise upper filter fibers (23) which are obliquely arranged, lower filter fibers (24) which are vertically arranged are arranged at the bottom of the upper filter fibers (23), and ventilation channels (25) are arranged between the adjacent upper filter fibers (23) and the lower filter fibers (24);
When the air flow containing the particle paint mist flows into the air mixing channel (12) in the outer box body (1), part of the particle paint mist can be separated from the bottom filter (21) and glass fibers on the side plates of the air mixing channel (12) to be adsorbed and trapped, and when the particle paint mist can flow through the filter fiber assembly (22) along with the air flow through the air duct (25), the particle paint mist can be adsorbed and trapped by the upper filter fiber (23) and the lower filter fiber (24) so as to prevent the particle paint from entering the main filter area (14) through the inner air port (13).
9. The upwind integral dry paint mist collecting box according to claim 1, wherein the filter assemblies (15) arranged in the main filter area (14) are distributed in an arrangement structure, and the cross section area of the filter assemblies (15) of the former row is larger than the cross section area of the filter assemblies (15) of the latter row;
a ventilation opening (33) is arranged between the filter assemblies (15) in the same row, a gap (34) is arranged between the filter assemblies (15) in the front row and the rear row, and the sizes of the ventilation opening (33) and the gap (34) are reduced from the inner air opening (13) to the second air outlet (36);
the filter assemblies (15) are arranged in the main filter area (14) in an staggered manner, the filter assemblies (15) of the front row are opposite to the ventilation openings (33) of the rear row, the ventilation openings (33) of the front row are opposite to the filter assemblies (15) of the rear row, and the filter assemblies (15) and the ventilation openings (33) of the same column are all distributed on the same straight line; the volume and density of the filter fibers (35) arranged on the filter assembly (15) gradually increase from the inner air opening (13) to the second air outlet (36).
10. The upwind integral dry paint mist collecting box according to claim 1, wherein the filter assembly (15) arranged in the main filter area (14) comprises a framework (26) and filter fibers (35), two ends of the framework (26) are fixedly connected with the inner wall of the outer box body (1) respectively, a plurality of positioning thorns (27) are arranged on the outer surface of the framework (26), and the filter fibers (35) are wound on the framework (26) through the positioning thorns (27).
11. The upwind integral dry paint mist collecting box according to claim 10, wherein the framework (26) is a hollow thorn column, the positioning thorns (27) are distributed along the length direction of the framework (26), two groups of positioning thorns (27) on the same plane are symmetrically arranged, the positioning thorns (27) on different planes are distributed in a staggered manner, and the thorn column is round or oval so as to realize different space arrangement of the positioning thorns (27).
12. The upwind integral dry paint mist collecting box according to claim 10, characterized in that the framework (26) is a solid thorn column, the positioning thorns (27) are distributed along the length direction of the framework (26), a group of positioning thorns (27) on the same plane are symmetrically arranged, and the positioning thorns (27) on different planes are positioned on the same straight line; the positioning spines (27) have different lengths so as to realize different spatial arrangement of the positioning spines (27).
13. An upwind integral dry paint mist collecting box according to claim 1, characterized in that the dry paint mist collecting box is arranged on a moving carrying trolley (28), the moving carrying trolley (28) comprises a bottom supporting plate (29), a bearing guide wheel (30) is arranged at the bottom of the bottom supporting plate (29), a forklift inserting opening (31) is arranged on one side of the bottom supporting plate (29), an air outlet baffle (37) is arranged on the edge of the bottom supporting plate (29) on the other side opposite to the forklift inserting opening (31), and side baffles (32) are respectively arranged on the edges of the bottom supporting plates (29) on two ends of the air outlet baffle (37).
14. The upwind integral dry paint mist collecting box according to claim 1, wherein an elastic sealing structure is arranged at the second air outlet (36), the elastic sealing structure comprises an elastic seal arranged around the peripheral outer surface of the second air outlet (36), and a plastic film extending from the second air outlet (36) to the periphery, the plastic film is used for including the elastic seal, and the peripheral edge of the joint of the elastic seal and the second air outlet (36) is tightly sealed.
15. An upwind integral dry paint mist collecting box according to claim 14, characterized in that the dry paint mist collecting box forms a face seal with the inner wall of the dry spray booth through an elastic sealing structure, and a weighing meter is arranged on the moving carrying trolley (28) for automatically weighing the dry paint mist collecting box.
16. The upwind integral dry paint mist collecting box according to claim 1, wherein a fine filter layer (38) is arranged at a second air outlet (36) at the top of the main filter area (14), the fine filter layer (38) is arranged along the plane of the second air outlet (36), the fine filter layer (38) is provided with a plurality of layers of filter media, the filter media at the outer layer are coated with the filter media at the inner layer, and the filter media are arc-shaped, V-shaped or W-shaped; the density and hardness of the filter medium of the fine filter layer (38) are greater than those of the filter assembly (15), and the thickness of the filter medium of the fine filter layer (38) is smaller than that of the filter assembly (15).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117160157A (en) * | 2023-11-03 | 2023-12-05 | 杭州智和涂装科技有限公司 | Paint mist prefilter for second air passage of dry spray room |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117160157A (en) * | 2023-11-03 | 2023-12-05 | 杭州智和涂装科技有限公司 | Paint mist prefilter for second air passage of dry spray room |
| CN117160157B (en) * | 2023-11-03 | 2024-02-23 | 杭州智和涂装科技有限公司 | Paint mist prefilter for second air passage of dry spray room |
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| CN116899794B (en) | 2023-12-01 |
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