CN101703863A - Purification system for inorganic coating spraying room - Google Patents
Purification system for inorganic coating spraying room Download PDFInfo
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- CN101703863A CN101703863A CN200910216470A CN200910216470A CN101703863A CN 101703863 A CN101703863 A CN 101703863A CN 200910216470 A CN200910216470 A CN 200910216470A CN 200910216470 A CN200910216470 A CN 200910216470A CN 101703863 A CN101703863 A CN 101703863A
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Abstract
The invention provides a purification system for an inorganic coating spraying room, which comprises an air purification system and a temperature and humidity control system, wherein the air purification system consists of an air blast subsystem and an air exhaust subsystem. The air blast subsystem comprises a blower, a filter-element filter, a liquid adsorption filter and an air feeder, which are connected in sequence by pipes; and the air inlet of the blower is communicated with the atmosphere directly. The air exhaust subsystem comprises an exhaust fan and a blow-off valve which are connected in sequence by pipes; the exhaust fan is arranged outside a water curtain type filter arranged in the spraying room; the blow-off valve is directly communicated with the atmosphere; and the air quantity exhausted by the blow-off valve is less than that blasted by the blower. The purification system is capable of leading the air environment to meet the requirements on cleanliness and humidity in spraying of inorganic coatings, and is also applicable in the conditions with bigger spraying workpieces and larger needed space. The purification system can maintain positive pressure of the spraying room and prevent outside air from entering, and is provided with a circulating water system simultaneously, thus being capable of dissolving paint mist. The purification system completely realizes automatic control, has simple structure and convenient operation, and is safe and environment-friendly.
Description
Technical field
The production and processing field that relates to coating, the air ambient that is specifically related to the production environment of inorganic coating is controlled, and mainly comprises the control of air cleanliness and humiture.
Background technology
Inorganic coating spraying technology is the process for treating surface of new generation that RECENT DEVELOPMENTS is got up, and this technology is very high to the requirement of environmental condition, and wherein, air cleanliness requires the dust size must be less than 0.5 μ m, and dust concentration must be less than 5/m
3Temperature must be controlled in 18～25 ℃ of scopes; Humidity must be controlled in 40～60% scopes, so must carry out spraying application in Clean room.
But, generally only possess air cleaning and temperature control function between traditional various Industrial cleaning facilities, do not possess moisture control function, and the air cleaning index neither be very high, so be not suitable for inorganic coating spraying.And, being mainly used in industries such as electronics, pharmacy between existing Industrial cleaning facility, the volume of Clean room, area are less usually, can't be used for the large-scale workpiece spraying application.To apply for artificial example, when carrying out the gas turbine component spraying, in a room, isolate a zone temporarily, adopt spacer assembly such as film to be surrounded around this zone, form an enclosure space, preparation one cover air filter, humiture is controlled automatically by an other cover autonomous system, adopts the probe monitoring.Air filtration and temperature, humidity control all are isolated blobs.Make such cover system and have very big technical difficulty, spacer assemblys such as film generally are disposable, can not reuse, and therefore, its cost is higher, and not environmental protection.Simultaneously, owing to during the spraying of inorganic coating, often need the spraying area of coming in and going out, the very easy zone that is isolated that enters of outside air pollutes the spraying environment.Once more, along with the inorganic coating process for treating surface is increasingly mature, its application is expanded rapidly, and many large-scale workpieces are gas turbine component for example, by the spraying inorganic coating, can obtain more excellent surface property and economic effect.If large-scale workpiece is sprayed, because its Production Regional floor space is big, its manufacturing cost will be very high, and the control difficulty is huge.In the production of inorganic coating, also easily produce coating cloud and dust, not only be deposited on sprayed surface easily, the quality of influence spraying, and the material of general spraying all has certain injury to human body threatens that the spraying operator's is healthy.
Therefore, press for a kind of purification system for inorganic coating spraying room of exploitation.
Summary of the invention
The objective of the invention is to, a kind of purification system for inorganic coating spraying room is provided.
The technical solution adopted in the present invention is:
Purification system for inorganic coating spraying room, comprise air cleaning system, temperature and humidity control system, described air cleaning system comprises air blast subsystem and air draft subsystem, the air blast subsystem comprises air blast, candle filter, liquid adsorption filter and the pressure fan that is linked in sequence by pipeline, and the air inlet of this air blast leads directly to atmosphere; The air draft subsystem comprises air exhauster and the exhaust-valve that is linked in sequence by pipeline, the water curtain type filter outside in this air exhauster is arranged between spraying, and exhaust-valve leads directly to atmosphere; Described candle filter has multi-stage filter core, and wherein the final stage filter core dust size that allows to pass through is less than 0.5 μ m; The efficient of described liquid adsorption filter satisfies dust concentration less than 5/m
3The efficient of described water curtain type filter satisfies dust concentration less than Nmg/m
3The air capacity that the air capacity that described exhaust-valve is discharged blasts less than air blast.
Described air draft subsystem links to each other with the air blast subsystem by by-pass line, and described by-pass line connects the outlet conduit of air exhauster and the outlet conduit of air blast.
Described pressure fan is a plurality of, the spraying between in dispersed placement.
The discharge capacity of described exhaust-valve, pressure fan satisfies following relational expression: exhaust-valve discharge capacity/all pressure fan total displacement ≈ 2/1.
Comprise spray booth, surge chamber, clean room between described spraying, described pressure fan be distributed in these three indoor, the discharge capacity difference of the pressure fan in each chamber, make each indoor air pressure satisfy following relation: the air pressure of clean room is higher than outdoor 500Pa at least, is higher than surge chamber 200Pa at least; The air pressure of surge chamber is higher than spray booth 200Pa at least.
Described temperature and humidity control system comprises central processing unit, memory, temperature transmitter, humidity transmitter, central air-conditioning, dehumidifier; Described memory has the preset value of temperature and humidity between spraying, and described central processing unit with the temperature signal of temperature transmitter input and temperature preset value is relatively exported control signal to central air-conditioning, controls its refrigeration or heats; The moisture signal and the humidity preset value of humidity transmitter input are compared,, control its dehumidifying to dehumidifier output control signal.
Described temperature preset value is 18～25 ℃, and the humidity preset value is 40～60%.
The beneficial effect that the present invention produced is:
The present invention is a kind of automatic control system that can make air ambient interior between inorganic coating spraying satisfy cleannes, humiture requirement, is specially adapted to the large tracts of land isolation environment.Utilize the high-efficiency air filtering system, guaranteed in the inorganic coating production process that to the requirement of air cleanliness, simultaneously, the dust concentration compliance with environmental protection requirements of discharging is not polluted outdoor environment.And, make indoor environment and external environment that certain positive differential pressure be arranged, even often come in and go out spray booth, outside air can not enter yet.The present invention also is provided with temperature control, humidity control and circulation, the requirement of temperature, humidity in having guaranteed to produce, can also dissolve the coating cloud that produces in the spraying, reduce indoor dust, control, simple in structure, safe and reliable automatically, even the environment that this method is big at the spraying workpiece, requisite space is bigger also is suitable for.The parts that this system is required comprise that the filter core that purifies usefulness, central air-conditioning etc. all are ripe products, buying easily, easy and simple to handle, cost is lower.
Description of drawings
Fig. 1 is the structured flowchart of this inorganic coating spraying cleaning system;
Fig. 2 is the floor plan between inorganic coating spraying;
Fig. 3 is the distribution schematic diagram of cleaning system of the present invention system between inorganic coating spraying.
Code name implication among the figure:
The 1-air blast, 2-candle filter, 3-liquid adsorption filter, 4-pressure fan, the 5-exhaust-valve, 6-central air-conditioning, 7-water curtain type filter, 8-dehumidifier, the 9-central processing unit, 10-temperature transmitter, 11-humidity transmitter, the 12-memory, 13-pipeline, 14-air exhauster, the 15-spray booth, 16-sprays workspace, 17-clean room, 18-coating storeroom, 19-surge chamber, 20-machine room.
The specific embodiment
As shown in Figure 1, the present invention is the cleaning system between a kind of inorganic coating spraying, comprises air cleaning system and temperature and humidity control system.
Air cleaning system comprises air blast subsystem and air draft subsystem.
The air blast subsystem is an air blast, filtration system, comprise the air blast 1, candle filter 2, liquid adsorption filter 3, the pressure fan 4 that are linked in sequence by pipeline 13, the air inlet of this air blast 1 leads directly to atmosphere. candle filter 2 and liquid adsorption filter 3, reached the purpose that air cleaning is handled, make the cleannes that enter the air in the spray booth from the external world reach technological requirement. candle filter 2 has multi-stage filter core, and wherein the final stage filter core allows the dust size pass through to satisfy dust concentration less than 5/m less than the efficient of 0.5 μ m. liquid adsorption filter 3
3 Pressure fan 4 is a plurality of, the spraying between in dispersed placement, will send in the spray booth through the gas of multistage filtering.
The air draft subsystem is an indoor circulation system, comprises the air exhauster 14 and the exhaust-valve 5 that are linked in sequence by pipeline 13.The outside of the water curtain type filter 7 in air exhauster 14 is arranged between spraying, the outlet of air exhauster 14 connect the pipeline 13 of air blast 1 outlet by the pipeline 13 of bypass.Water curtain type filter 7 has water cyclic system, can dissolve coating cloud and dust that when spraying produces, and the environment that further purifies the air of a room is simple to operate and cost is very cheap, can be with the gas filtration between spraying, and efficient satisfies dust concentration less than Nmg/m
3The efficient size of water curtain type filter 7 is by the environmental requirement of outdoor discharging decision and be provided with, promptly at different environmental requirements, with the coating dust concentration less than Nmg/m
3By the dust concentration design of its requirement, wherein, N is the concentration value that environmental protection allows the coating dust of discharging, and the component difference of coating, this N value are also different.Air exhauster 14 extracts the gas that filters through water curtain type filter 7, and wherein a part of gas is discharged in the outside air by exhaust-valve 5.So, guarantee that the gas of discharging meets environmental protection requirement, not atmosphere pollution.Another part is sent into candle filter 2 and liquid adsorption filter 3 through the gas that water curtain type filter 7 filters through the pipeline 13 of bypass, send between spraying again in, so, room air is carried out circulating filtration.
Strictness is provided with concrete parameters such as the discharge capacity of pressure fan 4 and exhaust-valve 5, makes the discharge capacity of exhaust-valve 5, pressure fan 4 satisfy following relational expression: exhaust-valve 5 discharge capacities/all pressure fan 4 total displacement ≈ 2/1.Promptly enter in the gas of air blast 1: 2/3 gas is discharged outdoor through the pipeline 13 of air draft, 1/3 gas is sent into spray booth through multistage filtering.So, make the indoor malleation of spray booth to be higher than outdoor atmospheric pressure that even make the spray booth of often coming in and going out, outside air can not enter spray booth yet.
Temperature and humidity control system comprises central processing unit 9, memory 12, temperature transmitter 10, humidity transmitter 11, central air-conditioning 6, dehumidifier 8.Memory 12 has the preset value of temperature and humidity between spraying, and the temperature pre-set interval of present embodiment is 18～25 ℃, and the humidity pre-set interval is 40～60%.Central processing unit 9 with the temperature signal of temperature transmitter 10 input and temperature preset value relatively to central air-conditioning 6 output control signals, is controlled its refrigeration or is heated, thus the adjusting indoor temperature.Central processing unit 9 compares the moisture signal and the humidity preset value of humidity transmitter 11 inputs, to dehumidifier 8 output control signals, 8 dehumidifying of control dehumidifier.Because water curtain type filter 7 is a cascade simultaneously, constantly be humidification between spraying in the opening process, therefore, when the moisture signal of humidity transmitter 11 input than with the humidity preset value when high, central processing unit 9 is to dehumidifier 8 output control signals, 8 dehumidifying of control dehumidifier.
Working method of the present invention is: after system opened, air cleaning system and temperature and humidity control system brought into operation.The air blast 1 of air cleaning system extracts outside air, behind candle filter 2 and liquid adsorption filter 3 multistage filterings, sends into spray booth by pressure fan 4.Air exhauster 14 extracts room airs, by the exhaust-valve 5 of bypass, discharges 2/3 gas, and remaining 1/3 gas behind candle filter 2 and liquid adsorption filter 3 multistage filterings, is sent into spray booth by pressure fan 4 by the pipeline 13 of bypass again.So, air and indoor gas carry out multistage filtering to external world, particle diameter is filtered out by candle filter 2 greater than the air-borne dust of 0.5 μ m, particle diameter is absorbed by liquid adsorption filter 3 less than 0.5 μ m, as long as the efficient of liquid adsorption filter 3 is enough, what can make the gas sent satisfies dust concentration less than 5/m
3Make the interior air cleanliness of spray booth reach technological requirement, and air pressure value within the specific limits.The central processing unit 9 of temperature and humidity control system compares the signal of temperature transmitter 10 and humidity transmitter 11 feedbacks with temperature, the humidity in the memory 12: if the temperature in the test spray booth outside the desired temperature scope, then begins central air-conditioning 6 adjusting temperature; If humidity is on the low side, then opening liquid adsorption water curtain type filter 3 increases indoor humidity, if humidity is higher, then opens dehumidifier 8, so that humidity reaches processing range.
As Fig. 2, shown in Figure 3: the spraying working environment in the present embodiment includes: spray booth 15, clean room 17, surge chamber 19, coating storeroom 18 and machine room 20.And the cleaning system between inorganic coating spraying of the present invention is arranged in spray booth 15, surge chamber 19 and the clean room 17, pressure fan 4 be distributed in these three indoor, spray booth 15, surge chamber 19 and clean room 17 all are equipped with pressure fan 4.Spraying workspace 16 is in spray booth 15, and water curtain type filter 7 is arranged in the periphery of spraying workspace 16, and air exhauster 14 is arranged in the rear of water curtain type filter 7, and the outlet of air exhauster 14 connects the pipeline 13 of air blast 1 outlet by the pipeline 13 of bypass.The air of air exhauster 14 suction in the spray booth 15 that water curtain type filter 7 filters by 2/3 the air emptying of exhaust-valve 5 with suction, sent 1/3 air into pipeline 13.Air blast 1 suction outdoor air is sent into pipeline 13.Gas in the pipeline 13, order continue transportation in pipeline 13 through candle filter 2 and liquid adsorption filter 3 multistage filterings.In the time of in pipeline 13 enters surge chamber 19 and clean room 17, two pressure fans 4 that portion gas connects by both sides are respectively to surge chamber 19 and clean room's 17 air-supplies.After remaining gas enters spray booth 15 along pipeline 13, be parallel with 3 road pipelines 13, be in series with 3 pressure fans 4 on every road pipeline 13, will send in the spray booth 15 through the portion gas of multistage filtering thus.The discharge capacity of each pressure fan 4 and exhaust-valve 5 rationally is set, makes the air pressure of clean room 17 be higher than more than the outdoor 500Pa, be higher than more than the surge chamber 19200Pa.And, make the air pressure of surge chamber 19 be higher than more than the spray booth 15200Pa, the air pressure of spray booth 15 is higher than more than the outdoor 100Pa.
According to interior space volume, reasonable disposition air blast 1 and air exhauster 14 make the system air flow within the specific limits.In the present embodiment, because workpiece size is very big, interior space volume is very big, needs the air blast 1 of the big discharge capacity of configuration, and during work, its flow generally is controlled at 15000～30000m
3In/h the scope.Owing to be to indoor air blast, the air pressure of spraying working environment remains malleation.Even often come in and go out in spray booth 15, surge chamber 19, clean room 17 and outdoor, extraneous air can not enter yet, and has guaranteed the air cleaning of spraying working environment.
Simultaneously, liquid adsorption filter 3 and water curtain type filter 7 that present embodiment adopts are integrative-structures, has water circulation system, in filtered air, increase indoor humidity, the coating cloud and the dust that produce in the time of can also dissolving spraying, further purify the air ambient in the spray booth 15, simple to operate and cost is very cheap.
Claims (7)
1. purification system for inorganic coating spraying room, comprise air cleaning system, temperature and humidity control system, it is characterized in that: described air cleaning system comprises air blast subsystem and air draft subsystem, the air blast subsystem comprises air blast, candle filter, liquid adsorption filter and the pressure fan that is linked in sequence by pipeline, and the air inlet of this air blast leads directly to atmosphere; The air draft subsystem comprises air exhauster and the exhaust-valve that is linked in sequence by pipeline, the water curtain type filter outside in this air exhauster is arranged between spraying, and exhaust-valve leads directly to atmosphere; Described candle filter has multi-stage filter core, and wherein the final stage filter core dust size that allows to pass through is less than 0.5 μ m; The efficient of described liquid adsorption filter satisfies dust concentration less than 5/m
3The efficient of described water curtain type filter satisfies dust concentration less than Nmg/m
3The air capacity that the air capacity that described exhaust-valve is discharged blasts less than air blast.
2. purification system for inorganic coating spraying room according to claim 1 is characterized in that: described air draft subsystem links to each other with the air blast subsystem by by-pass line, and described by-pass line connects the outlet conduit of air exhauster and the outlet conduit of air blast.
3. purification system for inorganic coating spraying room according to claim 1 is characterized in that: described pressure fan is a plurality of, the spraying between in dispersed placement.
4. purification system for inorganic coating spraying room according to claim 3 is characterized in that: the discharge capacity of described exhaust-valve, pressure fan satisfies following relational expression:
Exhaust-valve discharge capacity/all pressure fan total displacement ≈ 2/1.
5. purification system for inorganic coating spraying room according to claim 3, it is characterized in that: comprise spray booth, surge chamber, clean room between described spraying, it is indoor that described pressure fan is distributed in spray booth, surge chamber, three of clean rooms, the discharge capacity difference of the pressure fan in each chamber makes each indoor air pressure satisfy following relation:
The air pressure of clean room is higher than outdoor 500Pa at least, is higher than surge chamber 200Pa at least; The air pressure of surge chamber is higher than spray booth 200Pa at least.
6. purification system for inorganic coating spraying room according to claim 1 is characterized in that: described temperature and humidity control system comprises central processing unit, memory, temperature transmitter, humidity transmitter, central air-conditioning, dehumidifier; Described memory has the preset value of temperature and humidity between spraying, and described central processing unit with the temperature signal of temperature transmitter input and temperature preset value is relatively exported control signal to central air-conditioning, controls its refrigeration or heats; The moisture signal and the humidity preset value of humidity transmitter input are compared,, control its dehumidifying to dehumidifier output control signal.
7. purification system for inorganic coating spraying room according to claim 6 is characterized in that: described temperature preset value is 18～25 ℃, and the humidity preset value is 40～60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910216470A CN101703863A (en) | 2009-11-26 | 2009-11-26 | Purification system for inorganic coating spraying room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910216470A CN101703863A (en) | 2009-11-26 | 2009-11-26 | Purification system for inorganic coating spraying room |
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| CN101703863A true CN101703863A (en) | 2010-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910216470A Pending CN101703863A (en) | 2009-11-26 | 2009-11-26 | Purification system for inorganic coating spraying room |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748827A (en) * | 2011-04-22 | 2012-10-24 | 阿自倍尔株式会社 | Room pressure controlling system |
| CN108262929A (en) * | 2018-03-16 | 2018-07-10 | 贺州市宜居船木工艺装饰有限公司 | A kind of wire drawing workshop of woven bag |
-
2009
- 2009-11-26 CN CN200910216470A patent/CN101703863A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748827A (en) * | 2011-04-22 | 2012-10-24 | 阿自倍尔株式会社 | Room pressure controlling system |
| CN102748827B (en) * | 2011-04-22 | 2014-11-26 | 阿自倍尔株式会社 | Room pressure controlling system |
| CN108262929A (en) * | 2018-03-16 | 2018-07-10 | 贺州市宜居船木工艺装饰有限公司 | A kind of wire drawing workshop of woven bag |
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Application publication date: 20100512 |