CN104959269A - Fire resisting damper used for treating paint mist - Google Patents
Fire resisting damper used for treating paint mist Download PDFInfo
- Publication number
- CN104959269A CN104959269A CN201510376976.3A CN201510376976A CN104959269A CN 104959269 A CN104959269 A CN 104959269A CN 201510376976 A CN201510376976 A CN 201510376976A CN 104959269 A CN104959269 A CN 104959269A
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- Prior art keywords
- rotating shaft
- fire resisting
- rotating shafts
- resisting damper
- paint mist
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
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- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention discloses a fire resisting damper used for treating paint mist. The fire resisting damper comprises a body, shutters, rotating shafts and rotating shaft control valves. The rotating shafts are transversely arranged in the body at equal intervals. The shutters are fixed to the rotating shafts. The rotating shaft control valves are arranged at one ends of the rotating shafts and used for controlling the rotating shafts to move. The rotating shaft control valves are smoke control valves and/or temperature control valves. The rotating shafts are hollow pipes. Water inlet valves are arranged at the other ends of the rotating shafts. Water outlet holes are uniformly formed in the rotating shafts. The fire resisting damper has the advantages that when fires occur, the rotating shaft control valves control the rotating shafts to rotate, the rotating shafts drive the shutters to rotate to enable the fire resisting damper to be in a closed state as in the picture, airflow in a desorption bin or a catalyzing bin is cut off to enable the desorption bin or the catalyzing bin to be in closed space, the situation of combustible gas entering is reduced, and flames are prevented from entering the desorption bin at the same time; meanwhile, the water inlet valves are opened, and water enters or exits from the bin through the water outlet holes to achieve the extinguishment effect.
Description
Technical field
The invention belongs to production vent gas treatment field, particularly relate to a kind of fire resisting damper for paint mist treatment.
Background technology
Be applicable to furniture at present, Drencher spray booth that aviation, automobile, boats and ships, container, hardware appliance, electron trade are sprayed paint is wet processing apparatus, being water curtain plate before equipment, is overflow launder above water curtain plate, is Multi-stage water screen filter after water curtain plate.When spraying paint, first the coating cloud entering paint spray booth meets with water curtain, is washed in water tank.All the other coating clouds are being intercepted at completely in water by during Multi-stage water screen filter.Water in water tank, by the overflow groove of water pump lifting to water curtain and Multi-stage water screen filter top, overflows on water curtain plate and forms water curtain.
Drencher spray booth indoor are stainless steel water curtain plate, and water curtain plate structural design is rationally advanced, ensure indoor air velocity, improve application painting rate and residual paint catch rate.And make plurality of water curtain layers even, continuously, reliable, without band of discontinuance splashing with out splash.Scroll devices, gas-water separation baffle plate can spelling, dismounting set-up mode fully can wash and be separated residual paint and carbonated drink, can reach environment purification and solve plate japanning slag easily and effectively to clear up and save problem from damage, maintains easily maintenance especially.Drencher spray booth: be made up of room body, tank, stainless steel water curtain plate, water circulation system, exhausting filtration system etc., can effectively prevent useless paint from discharging and contaminated environment while normally completing Workpiece painting.
Existing paint mist treatment equipment, only includes coating cloud filtering cabin, drainage bin, air inducing storehouse and exhaust storehouse; Be not easy discharge standard " emission standard for odor pollutants " the GB1455-93 secondary standard after reaching waste gas purification process and outer row's discharge of poisonous waste standard " atmosphere pollution comprehensive discharge standard " GB16297-1996, process means are single.
Do not have in existing paint mist treatment equipment, the specialized designs of fire resisting damper, so once on fire in equipment compartment, measure will do not had effectively to put out a fire and control the condition of a fire.
Summary of the invention
Technical problem to be solved by this invention is: can not carry out the condition of a fire in effective fire extinguishing and control appliance storehouse in equipment compartment.
For solving the problem, technical scheme of the present invention is: a kind of fire resisting damper for paint mist treatment, described in comprise main body, blinds, rotating shaft and rotating shaft control valve; The equidistant inside being horizontally placed on main body of described rotating shaft, blinds is fixed in rotating shaft; Rotating shaft control valve is arranged on one end of rotating shaft for controlling pivot, and described rotating shaft control valve is cigarette control valve and/or temperature-sensing valve, and described rotating shaft is hollow tube, and the other end of rotating shaft is provided with water intaking valve; Rotating shaft is provided with apopore uniformly.
Further, the upper and lower surfaces of described blinds are the 45 ° of inclined-planes be parallel to each other.
Further, gear drive is passed through between described rotating shaft control valve and rotating shaft.
Further, described main body is square.
Further, described rotating shaft control valve and rotating shaft want that the one end fixed is provided with alignment pin.
Further, described apopore is M shape or cross.
Beneficial effect of the present invention: when catching fire, rotating shaft control valve controls rotating shaft rotation, rotating shaft drives blinds to rotate to make fire resisting damper be in closed condition in figure, air-flow in desorption storehouse or storehouse, catalysis storehouse is cut off, make desorption storehouse or catalysis storehouse be in confined space, minimizing fuel gas enters avoids flare to enter desorption storehouse simultaneously.Water intaking valve is opened simultaneously, and water is by reaching the effect of fire extinguishing in apopore turnover storehouse.
Accompanying drawing explanation
Fig. 1 is internal structure flow chart of the present invention;
Fig. 2 is front view of the present invention;
Fig. 3 is side view of the present invention;
Fig. 4 is air conduction apparatus structure schematic diagram;
Fig. 5 is filter structure schematic representation;
Fig. 6 is another viewing angle constructions schematic diagram of filter;
Fig. 7 is filter housing structural representation;
Fig. 8 is superstructure schematic diagram;
Fig. 9 is scavenge pipe structural representation;
Figure 10 is venturi tube structure schematic diagram;
Figure 11 is plasma electric field structural representation;
Figure 12 is another viewing angle constructions schematic diagram of plasma electric field;
Figure 13 is the oval cover structure schematic diagram of muffler;
Figure 14 is muffler inner-tube structure schematic diagram;
Figure 15 is bin gate structure schematic diagram;
Figure 16 is bulkhead structural representation;
Figure 17 is evaporator structure schematic diagram;
Figure 18 is another viewing angle constructions schematic diagram of dehydrator;
Figure 19 is fire-proof valve structure schematic diagram, and fire resisting damper is closed, and fire resisting damper is opened;
Figure 20 is another viewing angle constructions schematic diagram of fire resisting damper;
Figure 21 is catalysis pool structure schematic diagram;
Figure 22 is catalysis chamber structure schematic diagram;
Wherein, catalysis storehouse, filter, scavenge pipe, Wen's screen pipe, upper cover, filter housing, drainage trough, apopore, wet filter, dehydrator, active carbon filter bag, catalysis pond, Chi Ti, filter plate, catalyst release box, door, bulkhead, warehouse, hydraulic support, desorption storehouse, fire resisting damper, blinds, rotating shaft, rotating shaft control valve, main body, UV lamp, electron ion electric field, plasma electric field, pore, torch, torch support, arc dredges stream plate, air conduction device, blower fan, muffler, airduct, oval outer cover, noise reduction inner bag, PM2.5 filter screen, active carbon net, water absorbent net, noise reduction asbestos.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further elaborated.
As shown in Figure 19-20, inside, desorption storehouse 2 is along air-flow through being provided with fire resisting damper, UV lamp and electron ion electric field successively, and the decomposition of coating cloud process and end precision processing are so the gas peculiar smell deodorizing rate got rid of is more than 90%; Paint mist treatment efficiency is high.Because coating cloud is inflammable gas, if once combustion fire occurs device interior, consequence is hardly imaginable, and fire resisting damper effectively avoids flare to enter desorption storehouse, controls the intensity of a fire in time.Fire resisting damper 2.1 comprises main body 2.1.4, blinds 2.1.1, rotating shaft 2.1.2 and rotating shaft control valve 2.1.3, the equidistant inside being horizontally placed on main body 2.1.4 of described rotating shaft 2.1.2, blinds 2.1.1 is fixed on rotating shaft 2.1.2, move for controlling rotating shaft 2.1.2 in one end that rotating shaft control valve 2.1.3 is arranged on rotating shaft 2.1.2, preferred rotating shaft control valve 2.1.3 is cigarette control valve and/or temperature-sensing valve, when cigarette control valve on fire unexpected in desorption storehouse 2 or storehouse, catalysis storehouse 1 and/or temperature-sensing valve detect the rapid change of temperature in smog and storehouse, now rotating shaft control valve 2.1.3 controls rotating shaft 2.1.2 rotation, rotating shaft 2.1.2 drives blinds 2.1.1 to rotate to make fire resisting damper 2.1 to be in closed condition in figure, air-flow in desorption storehouse 2 or storehouse, catalysis storehouse 1 is cut off, desorption storehouse 2 or catalysis storehouse 1 is made to be in confined space, minimizing fuel gas enters avoids flare to enter desorption storehouse 1 simultaneously.
The water intaking valve being simultaneously arranged on the rotating shaft 2.1.2 other end is opened, and water enters rotating shaft 2.1.2, then to be sprayed into by water by M shape or criss-cross apopore and catches fire in storehouse, flare is extinguished, reaches good extinguishing effect.
Preferably, the upper and lower surfaces of blinds 2.1.1 are the 45 ° of inclined-planes be parallel to each other.
Preferably, gear drive is passed through between described rotating shaft control valve 2.1.3 and rotating shaft 2.1.2.
Preferably, described main body 2.1.4 is square.
Preferably, described rotating shaft control valve 2.1.3 and rotating shaft 2.1.2 wants that the one end fixed is provided with alignment pin.
As Figure 1-3, the invention provides a kind of paint mist treatment equipment, comprise catalysis storehouse 1, desorption storehouse 2 and air conduction device 3; Described desorption storehouse 2 is arranged on the top in catalysis storehouse 1, and the air outlet in desorption storehouse 2 is communicated with air conduction device 3; Air-flow successively through catalysis storehouse 1, desorption storehouse 2 and air conduction device 3.
Inside, described catalysis storehouse 1 along air-flow through being provided with filter 1.1, wet filter 1.2, dehydrator 1.3 and active carbon filter bag 1.4 successively; The bottom in described catalysis storehouse 1 is provided with catalysis pond 1.5; Inside, described desorption storehouse 2 along air-flow through being provided with fire resisting damper 2.1, UV lamp 2.2 and electron ion electric field 2.3 successively.
Filtering gas enters catalysis storehouse 1 successively through filter 1.1, wet filter 1.2, dehydrator 1.3 and active carbon filter bag 1.4 along the air inlet in catalysis storehouse 1, then enters in desorption storehouse 2 successively through fire resisting damper 2.1, UV lamp 2.2 and electron ion electric field 2.3.Outlet finally by air conduction device 3 is rejected in external environment.
As shown in Fig. 4,13 and 14, for the gas volume meeting good ventilation condition and unit interval inner filtration is certain, air conduction device 3 comprises blower fan 3.2, muffler 3.1 and airduct 3.3; Described airduct 3.3 is by the inlet communication of desorption storehouse 2 with blower fan 3.2, and for reducing noise pollution, preferred muffler 3.1 is arranged on the exhaust outlet of blower fan 3.2.Described muffler 3.1 comprises oval outer cover 3.1.1 and noise reduction inner bag 3.1.2, and described noise reduction inner bag 3.1.2 is arranged in oval outer cover 3.1.1, and described noise reduction inner bag 3.1.2 comprises netted noise reduction asbestos 3.1.6; Described noise reduction asbestos 3.1.6 inside is also provided with three layers and crosses gas purification net.
Better gas is done to the process of final stage, cross gas purification net for three layers and comprise PM2.5 filter screen 3.1.3, active carbon net 3.1.4 and water absorbent net 3.1.5, utilize the adsorptivity making cellular activated carbon, the precision processing of gas end.
As shown in Figure 5-10, a kind of filter for paint mist treatment, comprises scavenge pipe 1.1.1, Wen's screen pipe 1.1.2, for the upper cover 1.1.3 of fixing cleaning water pipe 1.1.1 and filter housing 1.1.4.Scavenge pipe 1.1.1 is arranged on the top of filter housing 1.1.4, and it is inner that Wen's screen pipe 1.1.2 is arranged on filter housing 1.1.4 uniformly.
Formed between Wen's screen pipe 1.1.2 and shell 1.1.4 and can hold the gas compartment, filtering gas forms spiral in space, by a part of contamination precipitation.Preferred filter housing 1.1.4 can two superimposed together, formed between two-layer Wen's screen pipe 1.1.2 and two-layer shell 1.1.4 and can hold two sheaf spaces of gas, contamination precipitation can be divided to carry out secondary precipitation to filtering gas.
Upper cover 1.1.3 be fastened on filter housing 1.1.4 on scavenge pipe 1.1.1 is fixed; Scavenge pipe 1.1.1 leads to flushing clear water two, by the apopore on scavenge pipe 1.1.1, the impurity be deposited on shell 1.1.4 is rinsed well, have between the sewage of impurity each through hole by filter housing 1.1.4 inwall that this has drainage trough 1.1.4.1, directly be discharged in catalysis pond 1.5 with the apopore 1.1.4.2 of bottom, can the direct direct catalytic degradation in catalysis pond 1.5, the whole filter plant that then circulates uses, and reaches water saving and avoids sewage secondary to pollute.
As shown in figs. 17-18, dehydrator 1.3 comprises dehydration package 1.3.1 and square frame 1.3.2; Described dehydration package 1.3.1 comprises two-layer, and every one deck is square grid shape structure, in order to increase each grid unit water suction area, the inwall of each grid this have wrinkle.It is inner that dehydration package 1.3.1 is fixed on square frame 1.3.2, square frame 1.3.2 is that resistant material is made, when dehydration package 1.3.1 uses saturated, directly can to take off dehydration package 1.3.1 with renewing, then arrive drying chamber to dry saturated dehydration package 1.3.1, realize reusing of dehydration package 1.3.1, reduce waste of material.
As described in Figure 11-12, in order to make coating cloud through decomposition and end precision processing fully, paint mist treatment efficiency improves.Electron ion electric field 2.3 comprises power supply and plasma electric field 2.3.1, and described power supply provides electric energy for plasma electric field 2.3.1 works; Described plasma electric field 2.3.1 be one square, inner homogeneous be provided with circular pore 2.3.2; The inside of each pore 2.3.2 is provided with torch 2.3.3; The side of described plasma electric field 2.3.1 is provided with torch support 2.3.4.Air-flow in pore 2.3.2 by time torch 2.3.3 energising produce ozone, the solution that gas divides through ozone and end precision processing, gas peculiar smell deodorizing rate is 90%.
As shown in figure 21, catalysis pond 1.5 comprises pond body 1.5.1, filter plate 1.5.2 and catalyst release box 1.5.3; Described filter plate 1.5.2 is arranged on body 1.5.1 top, pond, and the top edge of pond body 1.5.1 is provided with the chute coordinated with filter plate 1.5.2; Described catalyst release box 1.5.3 is arranged on the inside of pond body 1.5.1, described catalyst release box 1.5.3 comprises strength of fluid sensor and catalyst releasing unit, and catalyst is discharged in the body 1.5.1 of pond for controlling catalyst releasing unit by strength of fluid sensor when needed.
Filter plate 1.5.2 is fixed on body 1.5.1 top, pond by the chute that the top edge of pond body 1.5.1 is provided with, one end of filter plate 1.5.2 extends in outside catalysis storehouse 1, staff directly changes filter plate 1.5.2 when or else can open door, increases work efficiency, convenient and swift.
As shown in figure 22, for convenience of staff's cleaning and the intraware changing catalysis storehouse 1, described catalysis storehouse 1 comprises warehouse 1.8, door 1.6 and hydraulic support 1.9; Upper end and warehouse 1.8 upper end of described door 1.6 are hinged; The base angle of described warehouse 1.8 and one end of hydraulic support 1.9 are hinged; The middle part of door 1.6 and the other end of hydraulic support 1.9 are hinged.
When opening door 1.6, staff's hydraulic support 1.9 jack-up door 1.6, without the need to personnel's manual operation.Preferably in order to alleviate door 1.6 weight, ensure rigidity again, so door 1.6 adopts contour plate, door 1.6 is provided with air admission hole simultaneously, and air admission hole is communicated with japanning room by conduit.
Experimental example:
At a kind of paint mist treatment equipment provided by the invention, comprise three paint mist treatment stages.
The processing stage of first: in the coating cloud catalysis storehouse 1 of Drencher spray booth indoor, inside, catalysis storehouse 1 along air-flow through being provided with filter 1.1, wet filter 1.2, dehydrator 1.3 and active carbon filter bag 1.4 successively; Coating cloud is first filtered by filter 1.1, and air-flow can hold coating cloud space by being formed between Wen's screen pipe 1.1.2 and shell 1.1.4, filters coating cloud and forms spiral in space, by a part of contamination precipitation.Preferred filter housing 1.1.4 can two superimposed together, formed between two-layer Wen's screen pipe 1.1.2 and two-layer shell 1.1.4 and can hold two sheaf spaces of coating cloud, contamination precipitation can be divided to carry out secondary precipitation to filtration coating cloud.Upper cover 1.1.3 be fastened on filter housing 1.1.4 on scavenge pipe 1.1.1 is fixed; Scavenge pipe 1.1.1 leads to flushing clear water two, by the apopore on scavenge pipe 1.1.1, the impurity be deposited on shell 1.1.4 is rinsed well, this has drainage trough 1.1.4.1 to have the sewage of impurity to listen between each through hole of filter housing 1.1.4 inwall, directly be discharged in catalysis pond 1.5 with the apopore 1.1.4.2 of bottom, can the direct direct catalytic degradation in catalysis pond 1.5, the whole filter plant that then circulates uses, and reaches water saving and avoids sewage secondary to pollute.Coating cloud is by wet filter 1.2, dehydrator 1.3 and active carbon filter bag 1.4; Particle in effective removal coating cloud.
The processing stage of second: the coating cloud after process enters under the effect of air conduction device 3, coating cloud enters inside, desorption storehouse 2 along air-flow through being provided with fire resisting damper 2.1, UV lamp 2.2 and electron ion electric field 2.3 successively.Desorption storehouse 2 comprises the UV lamp that four are drained through filter lamp bracket and 72 100W, the inner surface in desorption storehouse 2 is provided with reflector and heat-preservation cotton, the internal temperature in desorption storehouse 2 remains on 80 °, coating cloud finally enters desorption storehouse 2 and carry out oxidation Decomposition under the effect of UV lamp, and further dispelling abnormal flavor reaches the direct discharge standard of coating cloud; Last coating cloud, through electron ion electric field 2.3, comprises power supply and plasma electric field 2.3.1, and described power supply provides electric energy for plasma electric field 2.3.1 works; Described plasma electric field 2.3.1 be one square, inner homogeneous be provided with circular pore 2.3.2; The inside of each pore 2.3.2 is provided with torch 2.3.3; The side of described plasma electric field 2.3.1 is provided with torch support 2.3.4.Air-flow in pore 2.3.2 by time torch 2.3.3 energising produce ozone, the solution that gas divides through ozone and end precision processing, gas peculiar smell deodorizing rate is 90%.
The processing stage of 3rd, coating cloud is through the muffler 3.1 of air conduction device 3, muffler 3.1 comprises oval outer cover 3.1.1 and noise reduction inner bag 3.1.2, and described noise reduction inner bag 3.1.2 is arranged in oval outer cover 3.1.1, and described noise reduction inner bag 3.1.2 comprises netted noise reduction asbestos 3.1.6; Described noise reduction asbestos 3.1.6 inside is also provided with three layers and crosses gas purification net.
Better gas is done to the process of final stage, cross gas purification net for three layers and comprise PM2.5 filter screen 3.1.3, active carbon net 3.1.4 and water absorbent net 3.1.5, utilizes adsorptivity and the superpower filterability of PM2.5 filter screen 3.1.3 of making cellular activated carbon, to the precision processing of gas end.
General is satisfied higher operating efficiency, and every three paint spray booths are furnished with one and put present device.
Discharge standard " emission standard for odor pollutants " the GB1455-93 secondary standard after waste gas purification process and outer row's discharge of poisonous waste standard " atmosphere pollution comprehensive discharge standard " GB16297-1996 is reached by the coating cloud after process of the present invention; Coating cloud dust granules dispels rate up to more than 85%; The coating cloud peculiar smell deodorizing rate got rid of is more than 90%; Operating efficiency height separate unit process air quantity 15000-60000m
3/ h.
Those of ordinary skill in the art will appreciate that, embodiment described here is to help reader understanding's principle of the present invention, should be understood to that protection scope of the present invention is not limited to so special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combination of not departing from essence of the present invention according to these technology enlightenment disclosed by the invention, and these distortion and combination are still in protection scope of the present invention.
Claims (6)
1., for a fire resisting damper for paint mist treatment, it is characterized in that: described in comprise main body (2.1.4), blinds (2.1.1), rotating shaft (2.1.2) and rotating shaft control valve (2.1.3); The equidistant inside being horizontally placed on main body (2.1.4) of described rotating shaft (2.1.2), blinds (2.1.1) is fixed in rotating shaft (2.1.2); Rotating shaft control valve (2.1.3) is arranged on one end of rotating shaft (2.1.2) for controlling rotating shaft (2.1.2) motion, described rotating shaft control valve (2.1.3) is cigarette control valve and/or temperature-sensing valve, described rotating shaft (2.1.2) is hollow tube, and the other end of rotating shaft (2.1.2) is provided with water intaking valve; Rotating shaft (2.1.2) is provided with apopore uniformly.
2. the fire resisting damper for paint mist treatment according to claim 1, is characterized in that: the upper and lower surfaces of described blinds (2.1.1) are the 45 ° of inclined-planes be parallel to each other.
3. the fire resisting damper for paint mist treatment according to claim 1, is characterized in that: pass through gear drive between described rotating shaft control valve (2.1.3) and rotating shaft (2.1.2).
4. the fire resisting damper for paint mist treatment according to claim 1, is characterized in that: described main body (2.1.4) is for square.
5. the fire resisting damper for paint mist treatment according to claim 1, is characterized in that: described rotating shaft control valve (2.1.3) and rotating shaft (2.1.2) want that the one end fixed is provided with alignment pin.
6. the fire resisting damper for paint mist treatment according to claim 1, is characterized in that: described apopore is M shape or cross.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376976.3A CN104959269A (en) | 2015-06-30 | 2015-06-30 | Fire resisting damper used for treating paint mist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376976.3A CN104959269A (en) | 2015-06-30 | 2015-06-30 | Fire resisting damper used for treating paint mist |
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| Publication Number | Publication Date |
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| CN104959269A true CN104959269A (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510376976.3A Pending CN104959269A (en) | 2015-06-30 | 2015-06-30 | Fire resisting damper used for treating paint mist |
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Citations (7)
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|---|---|---|---|---|
| WO1980001362A1 (en) * | 1978-12-28 | 1980-07-10 | Protectaire Syst | Spray booth with energy saving and fire protection systems |
| CN2187661Y (en) * | 1994-01-28 | 1995-01-18 | 冯先体 | Automatic cooling fire-resistant winding door |
| CN2729460Y (en) * | 2004-08-17 | 2005-09-28 | 杭兆全 | Check-valve for discharging oil fume and fire-proof |
| CN201373154Y (en) * | 2009-01-05 | 2009-12-30 | 陈玉平 | Special fire-resisting damper for cave depot |
| CN201487352U (en) * | 2009-07-24 | 2010-05-26 | 张家港市保丽洁环保科技有限公司 | Fire-resisting damper used in fume pipeline of setter |
| CN203051880U (en) * | 2013-01-06 | 2013-07-10 | 上虞市当代风机风冷设备有限公司 | Fireproof regulating valve |
| CN204769357U (en) * | 2015-06-30 | 2015-11-18 | 成都市新都区鑫悦空气净化设备厂 | A fire prevention valve for coating cloud is handled |
-
2015
- 2015-06-30 CN CN201510376976.3A patent/CN104959269A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1980001362A1 (en) * | 1978-12-28 | 1980-07-10 | Protectaire Syst | Spray booth with energy saving and fire protection systems |
| CN2187661Y (en) * | 1994-01-28 | 1995-01-18 | 冯先体 | Automatic cooling fire-resistant winding door |
| CN2729460Y (en) * | 2004-08-17 | 2005-09-28 | 杭兆全 | Check-valve for discharging oil fume and fire-proof |
| CN201373154Y (en) * | 2009-01-05 | 2009-12-30 | 陈玉平 | Special fire-resisting damper for cave depot |
| CN201487352U (en) * | 2009-07-24 | 2010-05-26 | 张家港市保丽洁环保科技有限公司 | Fire-resisting damper used in fume pipeline of setter |
| CN203051880U (en) * | 2013-01-06 | 2013-07-10 | 上虞市当代风机风冷设备有限公司 | Fireproof regulating valve |
| CN204769357U (en) * | 2015-06-30 | 2015-11-18 | 成都市新都区鑫悦空气净化设备厂 | A fire prevention valve for coating cloud is handled |
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Application publication date: 20151007 |