CN203484267U - Directly buried type steel pipeline electrostatic spraying device - Google Patents
Directly buried type steel pipeline electrostatic spraying device Download PDFInfo
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- CN203484267U CN203484267U CN201320506482.9U CN201320506482U CN203484267U CN 203484267 U CN203484267 U CN 203484267U CN 201320506482 U CN201320506482 U CN 201320506482U CN 203484267 U CN203484267 U CN 203484267U
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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
Abstract
The utility model relates to the technical field of manufacturing of directly buried thermal insulation pipes, and particularly to a directly buried type steel pipeline electrostatic spraying device. The directly buried type steel pipeline electrostatic spraying device comprises a draught fan, pulse blowback type filter element recovery dust collector, a cyclone dust collector and a steel pipe electrostatic spraying room, all of which are connected in sequence, wherein a spray gun on the steel pipe electrostatic spraying room is connected to a vulcanization bed; the vulcanization bed is connected to a vibrating screen classifier; powder materials recycled by the pulse blowback type filter element recovery dust collector, the cyclone dust collector and the steel pipe electrostatic spraying room are conveyed to the vibrating screen classifier. Excessive powder materials are recycled through the pulse blowback type filter element recovery dust collector, the cyclone dust collector, and the safe and environment-friendly type steel pipe electrostatic spraying room, and the recycled powder materials directly enter into the vulcanization bed through screening to be vulcanized again for direct use, so that powder recovery efficiency and reutilization capability are improved, the safety guarantee is increased, and the early warning capability is improved.
Description
Technical field
The utility model relates to direct-buried thermal insulation pipe manufacturing technology field, relates in particular to a kind of direct burial steel pipe electrostatic spraying apparatus.
Background technology
Prefabricated direct-buried heat insulation pipe is mainly used in district heating outer net pipeline, and along with the popularization of country to central heating, its consumption is increasing, and the scope of application is also more and more wider.The plurality of advantages such as prefabricated direct-buried thermal insulation pipe road has waterproof, antiseptic property is good, saving is invested, shorten construction period, maintenance cost is low.
Prefabricated direct-buried heat insulation pipe is mainly used in district heating outer net pipeline, and along with the popularization of country to central heating, its consumption is increasing, and the scope of application is also more and more wider.The plurality of advantages such as prefabricated direct-buried thermal insulation pipe road has waterproof, antiseptic property is good, saving is invested, shorten construction period, maintenance cost is low.
And the prefabricated direct-buried pipe using is at present comprised of steel pipe, support, heat-insulation layer, outer pillar, according to design and customer requirement, generally select seamless pipe spiral welded and straight-seam pipes.Steel tube surface is after advanced impeller blasting PROCESS FOR TREATMENT, and steel pipe derusting grade can reach the Sa2 level in GB8923-1988 standard, and surface roughness can reach R=12.5 micron in GB6060.5-88 standard.Heat-insulation layer, in the cavity forming between outer jacket at steel pipe with high pressure foaming machine, disposable injection RPUF stoste forms.Be commonly called as " tube-in-tube foam process ".Its effect one is insulation, the 2nd, and waterproof, the 3rd, support heat supply network deadweight.When input media temperature is: in the time of-50 ℃-120 ℃, select rigid polyurethane foams to do heat-insulation layer; When pumped (conveying) medium temperature is: in the time of 50 ℃-150 ℃, select hard polyurethane base uric acid fat foamed plastics to do heat-insulation layer.Protective layer, the black plastic tubing of prefabricated certain wall thickness, standby after corona PROCESS FOR TREATMENT, its effect one is that protection heat-insulation layer exempts from the hard thing destruction of machinery, the 2nd, anticorrosion waterproof.
Outer surface of steel tube spraying is that it is carried out to corrosion-resistant important process, in prior art, generally in spray booth, carries out, and current spray booth exists following shortcoming: 1, production scene easily produces dust pollution.2, dust recycled in its entirety weak effect, utilizes rate variance.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, and a kind of direct burial steel pipe electrostatic spraying apparatus is provided, and high efficiente callback powder, avoids producing dust.
The utility model for achieving the above object, by the following technical solutions: a kind of direct burial steel pipe electrostatic spraying apparatus, it is characterized in that: comprise the air-introduced machine, pulse back blow sieve core callback deduster, cyclone dust collectors, the steel pipe electrostatic spraying chamber that connect successively, spray gun on described steel pipe electrostatic spraying chamber is connected with vulcanization bed, and described vulcanization bed is connected with vibrating screen classifier; The powder that reclaim described pulse back blow sieve core callback deduster, cyclone dust collectors and steel pipe electrostatic spraying chamber is transported in described vibrating screen classifier.
Preferably, described steel pipe electrostatic spraying chamber comprises powder spraying chamber, is fixed on the spray gun of described powder spraying chamber one side, side blower unit and a recovery unit, described side blower unit mainly consists of side blower cover and top blower cover, described side blower cover is fixed on the both sides of described powder spraying chamber, described top blower cover is fixed on the top of powder spraying chamber, side blower cover and top blower cover form side air inducing air channel, described side air inducing air channel is communicated with axial flow blower, and described axial flow blower is communicated with a recovery unit; A described recovery unit consists of the corrosion resistant plate sealing sealing, and its inside is provided with vulcanizing board, and a described recovery unit is communicated with cyclone dust collectors by air channel, and described air channel is provided with fire resisting damper.
Preferably, the inside of described powder spraying chamber is provided with temperature sensor.
Preferably, the position, gateway of described powder spraying chamber is provided with side shield.
Preferably, described spray gun is arranged on indoor barral of a gun support and outdoor barral of a gun support.
The beneficial effects of the utility model are: by pulse back blow sieve core callback deduster, cyclone dust collectors, safety and environmental protection shape steel tube electrostatic spraying chamber, unnecessary powder is reclaimed, powder after recovery directly enters fluid bed through screening, again be fluidized rear direct utilization, dust organic efficiency and recycling ability have been improved, increase safety guarantee, improved pre-alerting ability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of steel pipe electrostatic spraying chamber in the utility model;
In figure: 1, air-introduced machine; 2, pulse back blow sieve core callback deduster; 3, cyclone dust collectors; 4, steel pipe electrostatic spraying chamber; 41, powder spraying chamber; 42, spray gun; 43, side blower unit; 44, a recovery unit; 45, axial flow blower; 46, air channel; 47, fire resisting damper; 48, side shield; 49, indoor barral of a gun support; 40, outdoor barral of a gun support; 5, electric apparatus control apparatus; 6, vibrating screen classifier; 7, vulcanization bed.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, describe the specific embodiment of the present utility model in detail.As shown in Figure 1, a kind of direct burial steel pipe electrostatic spraying apparatus, comprise the air-introduced machine 1, pulse back blow sieve core callback deduster 2, cyclone dust collectors 3, the steel pipe electrostatic spraying chamber 4 that connect successively, spray gun 42 on described steel pipe electrostatic spraying chamber is connected with vulcanization bed 7, and described vulcanization bed is connected with vibrating screen classifier 6; The powder that reclaim described pulse back blow sieve core callback deduster, cyclone dust collectors and steel pipe electrostatic spraying chamber is transported in described vibrating screen classifier.
Pulse back blow sieve core callback deduster: filter element filtering recovery technology is also furnished with pulse backblowing function, realization is filtered the essence of powder, pulse control instrument control impuls solenoid control air-flow, by rotary wings realize to filter core regularly, the cycle cleans, the Powder Recovery precision 5 μ m (micron) that breathe freely, organic efficiency is more than 98%.Filter core filter cloth adopts imported from America material, and rotary wings upstream end adopts anti-jamming technology, makes the rotary wings life-span longer.Filter-element dust collector adopts high-power air intake device, and the process powder of guaranteeing to dust is not excessive.And by variable frequency adjustment, make blower fan stepless speed regulation, better adapt to the work of various calibers and varying number spray gun.Energy-conservationly synchronize realization with saving material.Air quantity needs to set according to spray gun and spray booth, joins frequency converter and regulates air quantity.The powder reclaiming adopts manual recovery mode to sieve mostly, and join in fluid bed and recycle in proportion, the every work of filter core 48 hours, application of compressed air purges filtering core device from inside to outside, re-uses after filter core is cleaned out.
Cyclone dust collectors: this device adopts the cyclone dust collectors of CLB improved form, and be furnished with artificial or the automatic recovery case, this device can be born 80% left and right of whole yield.
From total meaning, powder spraying chamber has been a part for Powder Recovery.Residual powder (not by the powder of absorption of workpieces) is by the guiding of air-introduced machine (wind speed can pass through frequency converter infinitely variable speeds), by powder spraying chamber, enter whirlwind tower retracting device, more remaining little power (accounting for 10% left and right of overall recovery) enters sieve core callback device by air channel.Superfines (particle diameter <10 μ m) can be passed through air-introduced machine, enter atmosphere, because generally adopting space in electrostatic powder spraying industry is the filter core (powder particle diameter is generally 20-65 μ m, and maximum should be no more than 90 μ m) of 5-10 μ m.
Vibrating screen classifier: this device passes through cyclonic principle, the powder returning from each recoverer is sieved by multilayer stainless steel mesh, and vibrate in real time with high-efficient low-noise vibrating motor, smash powder particle, the powder having sieved is sent into fluid bed, after mixing with raw material fluidisation is perfect, enter spray gun and spray.Critical piece adopts stainless steel, and support adopts electrostatic spraying to process.
Fluid bed: fluid bed entire body adopts stainless steel, can directly be used in conjunction with vibratory sieve with recovery, shortens recovery process, and powder can efficiently recycle.The venturi powder delivery pump powder delivery continuous uniform of our company's designed, designed, atomization is good, reasonable in design, thereby makes Venturi tube long service life.Can guarantee to be coated with the uniformity and the thickness of workpiece.Overall performance is superior, and structure is simple and direct, and dismounting maintenance is mobile lightly convenient.
Powder outlet quantity on above-mentioned spray gun is controlled by electric apparatus control apparatus 5, and the structure of switch board is multi-layer drawers combined type, and every layer of equal energy independent operation, is furnished with: on/off; Once, secondary, three air pressure adjustment are controlled respectively powder powder outlet quantity, the uniformity and nozzle clearing function; The functions such as electrostatic potential adjusting and voltage demonstration.
Steel pipe electrostatic spraying chamber: described steel pipe electrostatic spraying chamber 4 comprises powder spraying chamber 41, is fixed on the spray gun 42 of described powder spraying chamber one side, side blower unit 43 and a recovery unit 44, described side blower unit 43 mainly consists of side blower cover and top blower cover, described side blower cover is fixed on the both sides of described powder spraying chamber, described top blower cover is fixed on the top of powder spraying chamber, side blower cover and top blower cover form side air inducing air channel, described side air inducing air channel is communicated with axial flow blower 45, and described axial flow blower is communicated with a recovery unit; A described recovery unit consists of the corrosion resistant plate sealing sealing, and its inside is provided with vulcanizing board, and a described recovery unit is communicated with cyclone dust collectors 3 by air channel 46, and described air channel is provided with fire resisting damper 47.At powder spraying chamber afterbody, install fire resisting damper additional, while blasting, automatically start buffer action when powder concn reaches explosion limit, rear portion powder is not burnt, and the secondary disaster of bringing thus.
The inside of described powder spraying chamber is provided with temperature sensor.The position, gateway of described powder spraying chamber is provided with side shield 48, and the side shield that insulation is joined at the place, gateway of powder spraying chamber can pass through steel pipe, and corresponding different tube diameters.Control the excessive and air intake flow of powder, effectively reach the effect of energy-conserving and environment-protective.
Described spray gun is arranged on indoor barral of a gun support 49 and outdoor barral of a gun support 40.Gun stand in the front end junction chamber of spray gun, this support can make spray gun can all around, upper and lower all-around mobile, finally reach satisfied spray angle, operation is simple, enhances productivity.By double-deck barral of a gun support is set, the powder spraying chamber simultaneously using at Large Diameter Pipeline and pipe with small pipe diameter, while having eliminated spraying tubule, barral of a gun is long, time and biased the moving of rifle that occur caused the inhomogeneous phenomenon of spraying.Reduce labour intensity, improved the quality stability of product.The integral body of this powder spraying chamber adopts corrosion resistant plate to be welded, and is difficult for sticky erosion powder.Reduce the trouble that labor cleaning brings.
The course of work: 1,, after powder fluidisation in fluid bed is even, utilize Venturi effect that spray powders is delivered to spray gun through pipeline by powder delivery pump;
2, dusty spray is after electrostatic gun ionization, in steel pipe surface clinkering.The negative high voltage that spray gun tip is produced by HV generator, when spray gun tip approaches steel pipe, (corona discharge forms ion field will to produce corona discharge, rather than the sparking electric discharge of the air between spray point and steel pipe after breakdown) phenomenon, electronegative powder particle, under the effect of static and compressed air stream, arrives steel tube surface.Because the attraction of electrostatic force makes powder be adsorbed on equably steel tube surface.Because steel tube surface has been heated to uniform temperature, there is interlinkage reaction in powdery paints within a certain period of time, forms the coating of smooth densification.
3, in powder spraying chamber both sides, install side blower unit additional, make the powder overflowing from powder spraying chamber both sides directly get back to Powder Recovery portion.Eliminated the dust pollution of powder spraying chamber both sides.As reclaiming for the first time, complete Powder Recovery task simultaneously.
4, after powder spraying chamber, afterbody increases retracting device, can directly a part be reclaimed to Powder Recovery to vibrating screen classifier, and this is partially recycled is secondary recovery.Powder after recovery directly enters fluid bed through screening, is again fluidized rear direct utilization.
5, the residual powder after powder spraying chamber reclaims, by the guiding of air-introduced machine (wind speed can pass through frequency converter infinitely variable speeds), by powder spraying chamber, enter whirlwind retracting device, fluidisation retracting device is also equipped with in whirlwind retracting device bottom, and by returning powder pump by the powder of sedimentation (accounting for the more than 80% of overall recovery), directly by this partially recycled Powder Recovery to vibrating screen classifier, this is partially recycled is to reclaim for three times.Powder after recovery directly enters fluid bed through screening, is again fluidized rear direct utilization.
6, remaining little power (accounting for the < 10% of overall recovery) enters sieve core callback device by air channel again.Filter element filtering recovery technology is also furnished with pulse backblowing function, realization is filtered the essence of powder, pulse control instrument control impuls solenoid control air-flow, by rotary wings realize to filter core regularly, the cycle cleans, and the powder being bonded on filter core is shaken off to bottom half.In its bottom, fluidisation retracting device is housed, and pass through back powder pump by the powder of sedimentation, directly by this partially recycled Powder Recovery to vibrating screen classifier, this is partially recycled is four recovery.Powder after recovery directly enters fluid bed through screening, is again fluidized rear direct utilization.
By pulse back blow sieve core callback deduster, cyclone dust collectors, safety and environmental protection shape steel tube electrostatic spraying chamber, unnecessary powder is reclaimed, powder after recovery directly enters fluid bed through screening, again be fluidized rear direct utilization, dust organic efficiency and recycling ability have been improved, increase safety guarantee, improved pre-alerting ability.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a direct burial steel pipe electrostatic spraying apparatus, it is characterized in that: comprise the air-introduced machine, pulse back blow sieve core callback deduster, cyclone dust collectors, the steel pipe electrostatic spraying chamber that connect successively, spray gun on described steel pipe electrostatic spraying chamber is connected with vulcanization bed, and described vulcanization bed is connected with vibrating screen classifier; The powder that reclaim described pulse back blow sieve core callback deduster, cyclone dust collectors and steel pipe electrostatic spraying chamber is transported in described vibrating screen classifier.
2. direct burial steel pipe electrostatic spraying apparatus according to claim 1, it is characterized in that, described steel pipe electrostatic spraying chamber comprises powder spraying chamber, be fixed on the spray gun of described powder spraying chamber one side, side blower unit and a recovery unit, described side blower unit mainly consists of side blower cover and top blower cover, described side blower cover is fixed on the both sides of described powder spraying chamber, described top blower cover is fixed on the top of powder spraying chamber, side blower cover and top blower cover form side air inducing air channel, described side air inducing air channel is communicated with axial flow blower, described axial flow blower is communicated with a recovery unit, a described recovery unit consists of the corrosion resistant plate sealing sealing, and its inside is provided with vulcanizing board, and a described recovery unit is communicated with cyclone dust collectors by air channel, and described air channel is provided with fire resisting damper.
3. direct burial steel pipe electrostatic spraying apparatus according to claim 2, is characterized in that, the inside of described powder spraying chamber is provided with temperature sensor.
4. direct burial steel pipe electrostatic spraying apparatus according to claim 3, is characterized in that, the position, gateway of described powder spraying chamber is provided with side shield.
5. direct burial steel pipe electrostatic spraying apparatus according to claim 4, is characterized in that, described spray gun is arranged on indoor barral of a gun support and outdoor barral of a gun support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320506482.9U CN203484267U (en) | 2013-08-19 | 2013-08-19 | Directly buried type steel pipeline electrostatic spraying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320506482.9U CN203484267U (en) | 2013-08-19 | 2013-08-19 | Directly buried type steel pipeline electrostatic spraying device |
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| Publication Number | Publication Date |
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| CN203484267U true CN203484267U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320506482.9U Expired - Fee Related CN203484267U (en) | 2013-08-19 | 2013-08-19 | Directly buried type steel pipeline electrostatic spraying device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268583A (en) * | 2015-10-28 | 2016-01-27 | 湖南省中众环保涂装设备有限公司 | Spray dry processing system and processing method |
| CN105562273A (en) * | 2016-01-21 | 2016-05-11 | 科润电力科技股份有限公司 | Automatic spraying device for sheet metal parts |
| CN108372063A (en) * | 2016-11-22 | 2018-08-07 | 震旦（中国）有限公司 | A kind of powder coating device |
| CN112934554A (en) * | 2021-01-26 | 2021-06-11 | 南京博之顿机电科技有限公司 | Efficient and safe big cyclone dust treatment and recovery process |
-
2013
- 2013-08-19 CN CN201320506482.9U patent/CN203484267U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268583A (en) * | 2015-10-28 | 2016-01-27 | 湖南省中众环保涂装设备有限公司 | Spray dry processing system and processing method |
| CN105562273A (en) * | 2016-01-21 | 2016-05-11 | 科润电力科技股份有限公司 | Automatic spraying device for sheet metal parts |
| CN108372063A (en) * | 2016-11-22 | 2018-08-07 | 震旦（中国）有限公司 | A kind of powder coating device |
| CN112934554A (en) * | 2021-01-26 | 2021-06-11 | 南京博之顿机电科技有限公司 | Efficient and safe big cyclone dust treatment and recovery process |
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Granted publication date: 20140319 Termination date: 20210819 |