CN101804398A - Steel plate pretreatment device - Google Patents
Steel plate pretreatment device Download PDFInfo
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- CN101804398A CN101804398A CN200910192613A CN200910192613A CN101804398A CN 101804398 A CN101804398 A CN 101804398A CN 200910192613 A CN200910192613 A CN 200910192613A CN 200910192613 A CN200910192613 A CN 200910192613A CN 101804398 A CN101804398 A CN 101804398A
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- steel plate
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- 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
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Abstract
The invention discloses a steel plate pretreatment device which comprises a feeding mechanism, a conveying mechanism, a preheating device, a rust removing device, a paint spraying device, a drying device, a discharging mechanism and a paint mist treatment device, wherein a gas inlet pipeline of a reaction chamber of the paint mist treatment device is communicated with a paint spraying chamber of the paint spraying device and a drying chamber of the drying device, and a gas outlet pipeline is communicated with the drying chamber of the drying device; organic waste gas such as paint mist and the like in the paint spraying chamber and the drying chamber can be driven by a gas pump to enter the reaction chamber of the paint mist treatment device for catalytic combustion to release a large amount of heat and generate high-temperature gas; and the high-temperature gas flows to the drying chamber of the drying device through the gas outlet pipeline to dry steel plates. The heat energy of the high-temperature gas generated by catalytic combustion of the organic waste gas such as the paint mist and the like in the reaction chamber is fully utilized, thereby reducing the heat emission, lowering the consumption of fuels for drying treatment, saving the energy and protecting the environment.
Description
Technical field
Before the present invention relates to steel plate processing, it is carried out pretreated device.
Technical background
The steel plate that uses on the main equipments such as boats and ships in first being processed, all needs to carry out preliminary treatment usually.At present, steel plate pretreatment device mainly is made up of feed mechanism, roller conveyor structure, preheating device, derusting device, spray-painting plant, drying unit and discharging mechanism.Steel plate is delivered to feeding mechanism, be transported to preheating device successively by roller-way, derusting device, spray-painting plant, drying unit and discharging mechanism, steel plate is placed on the roller conveyor by feed mechanism, and the preheating chamber that is delivered to preheating device carries out The pre-heat treatment, and the greasy dirt and the moisture that will influence the follow-up rust cleaning and the quality of spraying paint are removed; Steel plate after the preheating enters into the super shot blasting cleaning chamber of derusting device, the firm steel wire cut pill of the impeller that utilizes impeller head to rotate at a high speed (bullet) quickens to throw to surface of the work, surface of the work is impacted, scraping is to remove the iron rust and the dirt of surface of the work, utilize round brush then, it is clean with the floating dust purging of the long-pending ball of surface of the work to receive ball spiral and high pressure blowpipe, steel plate after the rust cleaning enters in the paint spray booth of spray-painting plant by rollgang, to maintain priming paint and be sprayed on the surface of the work by being contained in spray paint up and down high-pressure spray gun on the dolly of paint spray booth, then steel surface is heated by drying chamber, make drying varniss, thereby make steel reach rust cleaning, antirust purpose.
In the above-mentioned processing procedure, have tiny paint particle remaining and volatilization in paint spray booth and the drying chamber, these paint are suspended in and form coating cloud in the air, the harmful components that volatilize in former volatile materials that adheres to of surface of steel plate and the paint form organic exhaust gas jointly in addition, these waste gas are poisonous, can not directly discharge, need carry out special processing.At present, the processing method of organic exhaust gas mainly be by blower fan, air pump etc. will be after filtration, do not contain the dust organic exhaust gas, feed the coating cloud treating apparatus, in the reative cell of coating cloud treating apparatus by the heater heat temperature raising, catalytic bed is set in the reative cell, when catalytic bed is heated to catalysis initiation temperature (general＞280 ℃) in temperature, in catalyst P
t, P
dCatalytic action under, organic exhaust gas can be oxidized burning generate harmless water and carbon dioxide.Can discharge a large amount of heat in catalysis, the combustion process, reaction back gas temperature can significantly be risen, these high-temperature gases are directly outdoor by smoke stack emission usually, both brought thermal pollution, caused the waste of energy again.
On the other hand, in the steel oven dry processing procedure, drying chamber need use fuel that it is heated, and temperature is reached about 70 ℃, with oven dry steel surface paint, in its heating process, needs to use a large amount of natural gases or electric energy, and its energy resource consumption is bigger.
In addition, in the steel preheating processing procedure, preheating chamber need use fuel that it is heated, and temperature is reached about 250 ℃, in its heating process, has a large amount of energy resource consumptions equally.
Summary of the invention
The present invention is intended to provide a kind of steel plate pretreatment device of energy-saving and environmental protection more, and it is used to dry steel plate with the hot gas that Catalytic Combustion of Organic Exhaust Gases produces, and has both reduced thermal pollution, has reduced the consumption of fuel again.
Steel plate pretreatment device of the present invention, comprise feed mechanism, conveying mechanism, preheating device, derusting device, spray-painting plant, drying unit and discharging mechanism, it is characterized in that: it also includes the coating cloud treating apparatus, the catalytic bed that is provided with heater in the reative cell of coating cloud treating apparatus and places catalyst, and reative cell drives air by air pump and flows, its air inlet pipe road is communicated with the paint spray booth and the drying chamber of spray-painting plant, and its outlet pipe is communicated with the drying chamber of drying unit.
Organic exhaust gas in paint spray booth and the drying chamber is under air pump drives, can enter in the reative cell of coating cloud treating apparatus, when reaction chamber temperature is heated to the catalysis initiation temperature, organic exhaust gas can be in catalytic bed the effect of catalyst under oxidizing fire, discharge a large amount of heats, produce high-temperature gas, high-temperature gas is under air pump drives, and the drying chamber that flows to drying unit by outlet pipe is dried steel plate.The heat energy that it has made full use of the high-temperature gas that organic exhaust gas such as catalytic combustion coating cloud in the reative cell produces had both reduced hot driving, had reduced the fuel consumption that oven dry is handled, energy-saving and environmental protection again.
Description of drawings
The structural representation of a kind of steel plate pretreatment device of Fig. 1;
Fig. 2 is a kind of schematic diagram of steel plate pretreatment device.
The specific embodiment
A kind of steel plate pretreatment device, as Fig. 1, Fig. 2, comprise the rollgang 1 that is used to carry steel plate, steel plate is carried to the feed mechanism of roller-way, on the roller-way steel plate is carried out The pre-heat treatment, remove the preheating device 2 of surface and oil contaminant and moisture content, remove the derusting device 3 of surface of steel plate rusty stain, the spray-painting plant 4 that surface of steel plate is sprayed paint, drying unit 5 with surperficial paint drying, and discharging mechanism, it also includes coating cloud treating apparatus 6, be provided with heaters 61 commonly used and the catalytic bed 62 of placing catalyst such as electrical heating in the reative cell of coating cloud treating apparatus, the heater temperature in the reative cell that can raise, the admission line 7 of reative cell is communicated with the paint spray booth of spray-painting plant and the drying chamber of drying unit 5, its outlet pipe 8 is communicated with the drying chamber of drying unit, air pump or blower fan 9 are installed on the admission line of reative cell or the outlet pipe, again or air pump or blower fan 9 all be installed on admission line and the outlet pipe, air pump can go into to reative cell to flow into from air inlet pipe by steering current, with the organic exhaust gas sucting reaction chambers such as paint in paint spray booth and the drying chamber, air-flow in the air pump guiding reative cell flows to drying chamber from outlet pipe, thereby the high-temperature gas that will produce behind the reative cell exothermic catalytic reaction imports drying chamber oven dry steel plate.
Owing to need not damage the paint of surface of steel plate in the drying course, the temperature of oven dry need be controlled at about 70 ℃ usually, because the gas temperature of introducing from reative cell is very high, for fear of its destruction to the surface of steel plate enamelled coating, introducing fresh wind tube road with extraneous Cryogenic air also can be set in the drying chamber of drying unit, introduce the amount of air in fresh wind tube road and the amount of introducing the high-temperature gas of reative cell by control and can control temperature in the drying chamber.The gas flow of two pipelines can be passed through air pump, blower fan drives.
Reative cell leads in the outlet pipe of drying chamber can be provided with air door, and the aperture of air door is adjustable, goes into the amount of the high-temperature gas in the drying chamber by the damper controllable flow, thus the temperature of control drying chamber.
The outlet pipe 8 of reative cell also can be communicated with exhaust chimney by by-pass line 12, and it can be discharged by exhaust chimney when high temperature hot gas does not need or can't enter drying chamber, and control valve 13 is installed on the by-pass line, can regulate switching as the case may be.
The admission line 7 of reative cell and outlet pipe 8 are by the heat exchange each other of same heat exchanger 63, it can shift to an earlier date preheating to the coating cloud that enters reative cell, can reduce simultaneously the temperature of reative cell outlet hot gas, to a certain extent, can reduce reative cell and be heated to the required heat of catalysis ignition, thereby further reduce energy resource consumption.And because the restriction of bake out temperature, it is too high that its outlet temperature does not originally need, so the decline of outlet temperature can not bring adverse effect to oven dry.
In addition, reative cell also can be provided with the outlet pipe in the preheating chamber that leads to preheating device, and it can partly be incorporated into the high-temperature gas of reative cell catalytic combustion preheating chamber and carry out preheating, thereby also can reduce the energy that preheating consumes, further reduce the consumption of the energy, improve energy-conservation effect.
In addition, the preheating chamber 2 of preheating device also can have pipeline 10 to be communicated with drying chamber, and it can introduce drying chamber with high-temp waste gas after the preheating chamber preheating dries, and can further reduce the energy resource consumption of oven dry.Because does not handle on preheating chamber light plate surface, exist the possibility of magazines such as dust bigger in the waste gas after the preheating chamber preheating, enter drying chamber and be adsorbed on the paint of surface of steel plate for fear of the dust magazine, need to be provided with high-temperature filter 11 on the pipeline, the filtering of dust magazine.
Claims (7)
1. the heat reclaim unit of a steel plate pretreated stream waterline, comprise feed mechanism, conveying mechanism, preheating device, derusting device, spray-painting plant, drying unit and discharging mechanism, it is characterized in that: it also includes the coating cloud treating apparatus, the catalytic bed that is provided with heater in the reative cell of coating cloud treating apparatus and places catalyst, reative cell drives air by air pump and flows, its air inlet pipe road is communicated with the paint spray booth of spray-painting plant and the drying chamber of drying unit, and its gas outlet pipeline is communicated with the drying chamber of preheating device.
2. the heat reclaim unit of steel plate pretreated stream waterline according to claim 1 is characterized in that: the admission line of reative cell and outlet pipe are by heat exchanger heat exchange each other.
3. the heat reclaim unit of steel plate pretreated stream waterline according to claim 1 is characterized in that: be equipped with on described outlet pipe and/or the admission line and drive the air pump that air flows.
4. according to the heat reclaim unit of any one described steel plate pretreated stream waterline in the claim 1 to 3, it is characterized in that: the reative cell of coating cloud treating apparatus is divided into two parts, the heating clamber and the catalytic combustor that catalytic bed is set of heater are set, heating clamber and catalytic combustor, front and back are communicated with successively.
5. the heat reclaim unit of steel plate pretreated stream waterline according to claim 1 is characterized in that: reative cell leads in the outlet pipe of drying chamber of drying unit the air door that can regulate aperture is installed.
6. the heat reclaim unit of steel plate pretreated stream waterline according to claim 1 is characterized in that: drying chamber is provided with the fresh wind tube road of introducing outside air.
7. the heat reclaim unit of steel plate pretreated stream waterline according to claim 1 is characterized in that: reative cell also is provided with the outlet pipe in the preheating chamber that leads to preheating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910192613A CN101804398A (en) | 2009-09-25 | 2009-09-25 | Steel plate pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910192613A CN101804398A (en) | 2009-09-25 | 2009-09-25 | Steel plate pretreatment device |
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| CN101804398A true CN101804398A (en) | 2010-08-18 |
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| CN200910192613A Pending CN101804398A (en) | 2009-09-25 | 2009-09-25 | Steel plate pretreatment device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000644A (en) * | 2010-11-26 | 2011-04-06 | 青岛舞鹤船舶机械有限公司 | Steel plate pretreatment production line |
| CN102266848A (en) * | 2011-07-11 | 2011-12-07 | 张家港市优希宏达机电厂 | New painting method |
| CN102327842A (en) * | 2011-08-17 | 2012-01-25 | 苏州安捷伦精密机械有限公司 | Gluing device for inner bore of workpiece |
| CN103008177A (en) * | 2012-12-28 | 2013-04-03 | 安徽伟宏钢结构有限公司 | Thin-walled cold-formed steel assembly line coating equipment |
| CN104209248A (en) * | 2013-06-04 | 2014-12-17 | 明安国际企业股份有限公司 | Painting method and device of fiber strengthening outer shell |
| CN104827300A (en) * | 2015-05-13 | 2015-08-12 | 广西金达造船有限公司 | Preprocessing method for shipbuilding steel material |
| CN105194941A (en) * | 2015-10-15 | 2015-12-30 | 苏州韵蓝环保科技有限公司 | Result-controllable organic waste gas treatment device adopting catalytic combustion |
| CN108031633A (en) * | 2018-01-09 | 2018-05-15 | 天津市赛洋工业炉有限公司 | A kind of nuisanceless japanning drying equipment and its method |
| CN109939874A (en) * | 2019-05-09 | 2019-06-28 | 万世泰金属工业（昆山）有限公司 | A kind of H.S.S. production paint spraying apparatus and its application method |
-
2009
- 2009-09-25 CN CN200910192613A patent/CN101804398A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000644B (en) * | 2010-11-26 | 2013-02-13 | 青岛舞鹤船舶机械有限公司 | Steel plate pretreatment production line |
| CN102000644A (en) * | 2010-11-26 | 2011-04-06 | 青岛舞鹤船舶机械有限公司 | Steel plate pretreatment production line |
| CN102266848A (en) * | 2011-07-11 | 2011-12-07 | 张家港市优希宏达机电厂 | New painting method |
| CN102266848B (en) * | 2011-07-11 | 2013-01-23 | 张家港市优希宏达机电厂 | New painting method |
| CN102327842B (en) * | 2011-08-17 | 2017-08-01 | 苏州安捷伦精密机械有限公司 | A kind of adhesive spreading device for inner hole of workpiece |
| CN102327842A (en) * | 2011-08-17 | 2012-01-25 | 苏州安捷伦精密机械有限公司 | Gluing device for inner bore of workpiece |
| CN103008177A (en) * | 2012-12-28 | 2013-04-03 | 安徽伟宏钢结构有限公司 | Thin-walled cold-formed steel assembly line coating equipment |
| CN104209248A (en) * | 2013-06-04 | 2014-12-17 | 明安国际企业股份有限公司 | Painting method and device of fiber strengthening outer shell |
| CN104209248B (en) * | 2013-06-04 | 2016-02-03 | 明安国际企业股份有限公司 | The lackering method of fibre strengthening shell and painting installation |
| CN104827300A (en) * | 2015-05-13 | 2015-08-12 | 广西金达造船有限公司 | Preprocessing method for shipbuilding steel material |
| CN105194941A (en) * | 2015-10-15 | 2015-12-30 | 苏州韵蓝环保科技有限公司 | Result-controllable organic waste gas treatment device adopting catalytic combustion |
| CN108031633A (en) * | 2018-01-09 | 2018-05-15 | 天津市赛洋工业炉有限公司 | A kind of nuisanceless japanning drying equipment and its method |
| CN109939874A (en) * | 2019-05-09 | 2019-06-28 | 万世泰金属工业（昆山）有限公司 | A kind of H.S.S. production paint spraying apparatus and its application method |
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Open date: 20100818 |