CN105396769B - A kind of manufacture method of epoxy resin pipeline - Google Patents
A kind of manufacture method of epoxy resin pipeline Download PDFInfo
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- CN105396769B CN105396769B CN201510694404.XA CN201510694404A CN105396769B CN 105396769 B CN105396769 B CN 105396769B CN 201510694404 A CN201510694404 A CN 201510694404A CN 105396769 B CN105396769 B CN 105396769B
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- pipe
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- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000003822 epoxy resin Substances 0.000 title claims abstract description 16
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 179
- 239000000843 powder Substances 0.000 claims abstract description 135
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 133
- 239000010959 steel Substances 0.000 claims abstract description 133
- 238000005507 spraying Methods 0.000 claims abstract description 35
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000007590 electrostatic spraying Methods 0.000 claims abstract description 12
- 238000005554 pickling Methods 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims abstract description 11
- 229920003023 plastic Polymers 0.000 claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 239000004593 Epoxy Substances 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims description 33
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000006641 stabilisation Effects 0.000 claims description 5
- 238000011105 stabilization Methods 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 4
- 229940098458 powder spray Drugs 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000005686 electrostatic field Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 239000004753 textile Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000000576 coating method Methods 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 13
- 239000000428 dust Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 230000009184 walking Effects 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 102000004142 Trypsin Human genes 0.000 description 2
- 108090000631 Trypsin Proteins 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012588 trypsin Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008821 health effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2254/00—Tubes
- B05D2254/04—Applying the material on the interior of the tube
- B05D2254/06—Applying the material on the interior and exterior of the tube
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of manufacture method of epoxy resin pipeline, wherein, comprise the following steps：A. steel pipe is put into pickling tube, carries out acid pickling and rust removing operation, and the steel pipe after B. pickling is rinsed well and dried with clear water, standby, C. is to the steel pipe heating in medium frequency obtained by step B, inside and outside synchronous spray epoxy powder of the D. electrostatic sprays to steel pipe, E. it is heating and curing, F. Temperature falls；Step D carries out plastic-coated operation using electrostatic spraying line, and electrostatic spraying line includes steel pipe conveyer, outer spray coating device, inner spray coating device and powder recovering device, and the extension tube for being used to connect interior spray gun on inner spray coating device is the stretching structure of hydraulic-driven.The inventive method is simple, easy to use, can reduce production line floor space, improves production efficiency, avoids spray gun from trembleing, and dusts uniformly and powder using efficiency is high.
Description
Technical field：
The present invention relates to pipe technology field, is specifically related to a kind of manufacture method of epoxy resin pipeline.
Background technology：
The coating pipe of steel pipe has the steel pipe of galvanized pipe, plating aluminum pipe, chromium-plated tube, aluminizing pipe and other alloy-layers.Coated pipe
There are external coating pipe, undercoating pipe, inside and outside coating pipe.The coating of generally use have plastics, epoxy resin, coal tar epoxy with
And the corrosion-inhibiting coating material of various glass moulds.Coating steel pipes are through powder melts spraying technology in inwall（Outer wall also may be used when needing）Coating
Plastics form, its excellent performance.Compared with galvanized pipe, have anticorrosive, non-corrosive, incrustation, it is smooth it is smooth, cleaning is not nontoxic,
The advantages that service life is long.According to test, the service life of steel-plastics composite pipe is more than the three times of galvanized pipe.Compared with plastic tube,
With high mechanical strength, it is pressure-resistant, heat-resist the advantages that.Because matrix is steel pipe, so in the absence of brittle, problem of aging.Can
It is widely used in the conveying of the fluids such as running water, coal gas, chemical products and heating engineering.
Plastic-coated steel is to apply plastics on the basis of large-caliber spiral welded tube and ratio-frequency welded tube to form, can be according to different need
Want application of polyvinyl（PVC）, polyethylene（PE）, epoxy resin（EPOZY）Etc. the plastic coating of various different performances, adhesive force
Good, corrosion resistance is strong, is resistant to strong acid, highly basic and other chemical attacks, and nontoxic, not corrosion, wear-resisting, impact resistance, osmotic-pressure-tolerant are strong,
Pipe surface is smooth, does not adhere to any material, can reduce resistance during conveying, improves flow and transfer efficiency, reduces delivery pressure
Power is lost, and by updating the Recipe of powdery paints, makes the respective coatings performance to be formed is more prominent to have become certainty.
It is solvent-free in coating, material can not be oozed out, thus conveyed medium will not be polluted, so as to ensure the clarity of fluid and health
Property, -40 DEG C to+80 DEG C scopes can cold cycling be used alternatingly, not aging, be not cracked, thus can be severe in cold zone etc.
Used in the environment of quarter.
Existing technique, as Chinese patent application CN101823044A discloses a kind of steel pipe inside and outside wall powder spraying, curing
The method of film forming integration, using movable type spraying and heating apparatus, make powder spray and heating cure while carry out, using leading
Leading-in device, the heating and spraying for making steel pipe are at the uniform velocity advanced, and steel pipe sets up in orbit along orbital direction, and railcar is across steel pipe
On, interior spray gun is erected on travel(l)ing rest and is placed in steel pipe, and railcar and travel(l)ing rest are connected to draw-gear by steel wire rope
On, Motionless electromagnetic cartridge heater and outer spray gun, air pump are connected on electrostatic spraying apparatus by ventilation duct in railcar, electrostatic spraying
Device is connected in railcar and interior spray gun by powder delivery hose.Synchronously spraying, Synchronous Heating are solid for this mode inside and outside wall
Change, simplify processing procedure.Moreover, this mode synchronously sprayed has become the main flow in market.But defect is as follows：
1st, steel pipe is fixed, cause it is outer spray it is uneven, i.e. bottommost sprayed coating is thin, 2, inside and outside spray gun move to opposite side from side,
Reset again；Then the spraying of next steel pipe could be carried out, it is inefficient, and also Powder Recovery is under-utilized, plastic-coated powder wave
Take serious.3rd, travel(l)ing rest is by steel wire traction, and existing defects are as follows, and support is located in pipeline, easily produces spraying position
Cut, 4, rope traction makes travel(l)ing rest when pipe end takes out, or be placed into not easy to operate during other end original position.
There are problems in the 5th, Synchronous Heating solidification, because electromagnetic heating device can not cover pipeline entirety, and electromagnetic heating device is constantly transported
It is dynamic, cause heating uneven, solidification effect is bad.So having abandoned the mode of Synchronous Heating solidification substantially at present, and use system
One case that is heating and curing, whole steel pipe can be accommodated and carry out overall heating.
To solve upper part technical problem, occurring some rigid spray guns on the market, i.e. steel tube end part sets up spray gun,
Promote spray gun to advance by moving cart, moving cart bottom laying track, still, the other end is moved to from pipeline one end, sprayed
Rifle length is long to cause end to be trembleed, inequality of dusting, moreover, long pipeline necessarily supports the track of the moving cart of spray gun
Distance increase, adds floor space, greatly reduces plant area's utilization rate.But reduce the length of rigid lance but can not solve
Certainly longer pipeline（Such as more than 8 meters）Spraying.In view of this technical problem is, it is necessary to simple, the user that a kind of method occurs
Just, production line floor space can be reduced, production efficiency is improved, avoids spray gun from trembleing, dusts uniformly and powder using efficiency is high
A kind of manufacture method of epoxy resin pipeline.
The content of the invention：
It is an object of the invention to overcome shortcoming present in prior art, there is provided a kind of method is simple, easy to use, energy
Production line floor space is enough reduced, production efficiency is improved, avoids spray gun from trembleing, dust a kind of uniform and high powder using efficiency ring
The manufacture method of oxygen tree fat pipeline.
To achieve these goals, the invention provides a kind of manufacture method of epoxy resin pipeline, wherein, including it is as follows
Step：
A. steel pipe is put into pickling tube, carries out acid pickling and rust removing operation,
B. the steel pipe after pickling is rinsed well and dried with clear water, standby,
C. to the steel pipe heating in medium frequency obtained by step B,
D. electrostatic spray is to the inside and outside synchronous spray epoxy powder of steel pipe,
E. it is heating and curing,
F. Temperature fall；
Step D carries out plastic-coated operation using electrostatic spraying line, and electrostatic spraying line includes steel pipe conveyer, trypsin method dress
Put, inner spray coating device and powder recovering device, the extension tube for being used to connect interior spray gun on inner spray coating device is hydraulic-driven
Stretching structure.
Steel pipe conveyer includes process track, and two moving carts, the bottom of moving cart are provided with process track
Road wheel is provided with, road wheel matches with process track, and the top of each moving cart is integrally formed to be provided with slide rail, often
Two motor cabinets are slidably connected on slide rail in individual moving cart, the side of motor cabinet is provided with frame plate, and frame plate and movement are small
It is fixedly connected between car, steel pipe rotary electric machine and shaft coupling, the output shaft and shaft coupling of steel pipe rotary electric machine is fixed with motor cabinet
One end of device is fixedly connected, and the other end of shaft coupling is provided with power transmission shaft, axis connection between power transmission shaft and frame plate, in power transmission shaft
Portion is fixed with rotating wheel, the integrally formed groove for being provided with L shapes in the edge of rotating wheel, and steel pipe rotary electric machine passes through shaft coupling band
Turn wheel rotation, setting up at the groove on rotating wheel in two moving carts has steel pipe, and rotating wheel rotates in place steel pipe,
Two moving carts, to adapt to the steel pipe of different length, are fixed motor cabinet by bolt in the upper distance change of process track
On to slide rail and then the distance of two motor cabinets is adjusted, that is, have adjusted the spacing of two rotating wheels to adapt to the steel of different tube diameters
Pipe.
Outer spray coating device includes two work boxs and two groups of work box tracks, and work box track is located at the two of process track
Side, the side of each work box are provided with the outer powder case of spray, and opposite side is provided with collection box, and work box is in n shape, and the one of work box
Side wall is fixed with how exclusive spray gun, and adjacent two exclusive spray gun is intersected with each other, and intersecting angle is 30-60 degree, the opposite side of work box
Axis connection has brush axle, is provided with brush spindle motor above brush axle, brush spindle motor is located in work box, the output shaft and brush of brush spindle motor
Axle is fixedly connected, and suction plastering roller is socketed with brush axle, and suction plastering roller is superfine fibre textile, be provided with collection box blower fan and
Powder falling storehouse, integrally formed be provided with of the side wall of collection box inhale powder mouth, inhale plastering roller positioned at the side for inhaling powder mouth, spray in outer powder case
Pump box is provided with, pump box drives powder, and the bottom of work box is hooked with backplate backplates in outer lance ejection to outer wall of steel pipe
Bottom it is integrally formed be provided with half slot, half slot is the top with steel pipe, sprays outer powder case, the bottom of collection box is provided with
Road wheel and road wheel matches with work box track.
Inner spray coating device includes two interior spray gun traveling boxes, discharge tube, interior spray gun and spray inner powder case, interior spray gun traveling box position
In the outside of corresponding moving cart, the bottom of interior spray gun traveling box is provided with road wheel and road wheel matches with process track,
Fixing pipe is provided with the middle part of interior spray gun traveling box, fixing pipe is fixedly arranged at the front end with extension tube, and extension tube is stretched for hydraulic-driven
Shrinking structure, extension tube are more piece, and the bottom of interior spray gun traveling box is fixed with bottom plate, are fixed with hydraulic pump on bottom plate, hydraulic pump with
Connected between extension tube by hydraulic oil pipe, the end for often saving extension tube is fixed with suspender, and the top of suspender is integrally formed to be set
The fixing groove of arcuation is equipped with, some balls are embedded with the inwall of suspender, the end of a section extension tube of front end is fixed with fixation
Bar, four walls of fix bar are embedded with the wide bar magnets of 2-5cm, and the end of fix bar is fixed with interior spray gun, and interior spray gun is with dusting
Pipe plugs together connection, and the bottom of a section extension tube of least significant end is fixedly connected with coil pipe case, and the side wall of coil pipe case is walked with interior spray gun
Be fixedly connected between case, be provided with spool in the middle part of coil pipe case, the external stability of coil pipe case has a coil motor, coil motor it is defeated
Shaft is fixedly connected with spool, and coil motor driving spool rotates and then realizes the folding and unfolding of discharge tube, and discharge tube prolongs through often section
Suspender on long tube is simultaneously connected after reel wound with being plugged together in the middle part of fixing pipe, and spray inner powder case plugs together connection by connecting tube
To fixing pipe；Both sides are fixed with two groups of regulating bolts up and down for the tube wall of fixing pipe, regulating bolt and bottom plate, interior spray gun traveling box
Top is threadedly coupled, and the precession or back-out of regulating bolt and then adjusts fixing pipe apart from the height of bottom plate, that is, have adjusted interior spray gun
Height apart from ground is so that interior spray gun adapts to the steel pipe of different tube diameters and ensures that interior spray gun is suspended from the circle centre position of this steel pipe, in spray
Pump box is provided with powder case, pump box drives powder to be sprayed along fixing pipe, interior spray gun.
Powder recovering device include connect powder tank, connect powder tank and be fixed between process track, connect powder tank be located at steel pipe just under
Side, across the top for connecing powder tank, the powder part that outer spray gun sprays is fallen within to be connect in powder tank work box, connects middle part, the both ends of powder tank
It is integrally formed respectively and is provided with Ji Fenkou, the section for connecing powder tank is semicircle shape, and the bottom for connecing powder tank is plugged and connected with mozzle, more
Individual mozzle is connected by recovery tube, and recovery tube is connected with collection box, the integrally formed setting in both sides of the half slot of backplate
There is link, rubber flap is hooked with link, rubber flap is in semicircle shape, and rubber flap is as two work boxs move and then will
The powder connect in powder tank is pushed near Ji Fenkou, and the suction of the blower fan in collection box will inhale plastering roller, connect powder in powder tank
Suction collection box is simultaneously dropped into powder falling storehouse.
Step D job step is：
First, the spacing of two moving carts is adjusted according to length of steel pipe, and moving cart is fixed to work by fixture block
On sequence track；The distance between motor cabinet of each moving cart is adjusted according to the thickness of steel pipe caliber, spray gun is walked in regulation
Regulating bolt on case, interior spray gun is set to be located at the circle centre position of such a steel pipe, the steel pipe after heating in medium frequency hangs in shifting by overhead traveling crane
At the groove of the rotating wheel of dynamic dolly, steel pipe rotary electric machine is synchronous, motion in the same direction, and steel pipe revolves with the rotation original place of rotating wheel
Turn；
Secondly, two work boxs are made to be located at the both ends of steel pipe, interior spray gun is located at the both ends of steel pipe, two interior spray gun traveling boxes
To entering and the time difference to entering is 5-10s, two work boxs are to entering and the time difference to entering is 5-10s, two interior spray guns walkings
Case, the travel distance of work box are set as the 1/2+15cm of length of steel pipe, in extension tube traveling process, gradually spread out more piece,
End bar magnet attracts each other with steel pipe inner wall, lowers the vibration of fix bar, the stabilization of spray gun in guarantee；I.e., interior spray gun row
Walk case, work box moves to+15cm places in the middle part of steel pipe, then return；Because traveling existence time is poor, one of them interior spray gun walking
After case, work box return, another interior spray gun traveling box, work box have been advanced to close at the 1/2 of length of steel pipe, by seam
Place repeats to spray.
On work box, stepper motor (i.e. movable motor) is provided with interior spray gun traveling box, for drive its move or
Retreat.
The present invention carries out powder spray using electrostatic hot spray process, and powder uses epoxy powder, i.e., quiet using high pressure
Electric corona field principle, coated steel pipe is grounded as positive pole, inside and outside spray gun spray nozzle and connects high pressure negative electrode, makes spray gun and steel
A powerful electric field is formed between pipe, steel pipe is after Medium frequency induction coil heats, and pump box generation compressed air is by powder out of spray
Powder case, the outer powder case of spray are sent to spray gun ejection, and the aciculiform electroplax on shower nozzle produces corona discharge, and the powder flowed through carries negative electricity
Lotus, under the double action of electrostatic field and delivery gas, orientation flies to steel pipe internal-surface, with becoming molten condition；Again will pipe
Baking-curing in curing oven is sent into road, and temperature control is at 225-260 DEG C；Temperature fall, strengthen the adhesive force of powder.Become
Epoxy resin pipe.
During spraying, there is the inclination angle of 15-45 degree with tube wall in spray gun.
Advantages of the present invention is：Method is simple, easy to use, can reduce production line floor space, improves production efficiency,
Avoid spray gun from trembleing, dust uniformly and powder using efficiency is high.Specially：
1st, it is of the invention by the way of to entering and poor to entering existence time, spray gun in every group, object for appreciation spray gun is reached steel pipe
At 1/2+15cm distances, that is, exist at 15cm repetition spraying, both saved in general spray time, improved operating efficiency
And can enough makes the perfect docking of seam crossing simultaneously.
2nd, the present invention is by the way of to entering, i.e., rigid interior spray gun can be the half length of conventional lance, with 12 meters
Exemplified by steel tube inner spray applies, if spray gun in 12 meters of extension tube fixation, with motion, extend tube end vibration seriously, largely effect on
Coating quality in pipe.And use to entering mode, reduce the distance of extension tube half, i.e. 6 meters of extension tube can be achieved, vibration
Significantly reduce, coating quality is good in pipe（Current interior spray gun is serious more than 6m vibrations, spraying operation effect in the pipe after 6-7m
Difference）.
Meanwhile in extension tube traveling process, more piece is gradually spread out, end bar magnet attracts each other with steel pipe inner wall, subtracted
The vibration of low fix bar, the stabilization of spray gun in guarantee.Therefore extension tube overall length can be increased to 9-10m, i.e., spray gun in two groups
, can be with disposable spray finishing extreme length 20m steel pipe if entering, and ensure the quality of interior spraying.
3rd, reclaimed while the present invention is sprayed outside by inhaling plastering roller, being returned by Ji Fenkou in powder tank is connect for dropping into
Receive, greatly reduce the waste situation of powder.（Excessive powder in pipe is collected well, only blows to opposite side with from side, and
And be not in the situation of pollution in pipe, and the powder outside pipe becomes easily infected by dust, iron filings etc., so focusing on pipe
The recycling of outer powder.）
4th, because extension rod employs stretching structure, though i.e. process track is significantly short, reduces the length of process track, subtract
Floor space is lacked, has made factory building utilization rate high, when especially site operation sets up production line, construction cost reduces 12-15%.
Brief description of the drawings：
Fig. 1 is the structural representation of the electrostatic spraying line of the present invention.
Fig. 2 is the structural representation of the steel pipe conveyer of the present invention.
Fig. 3 is Fig. 2 side view.
Structural representation when Fig. 4 is outer spray coating device operation of the present invention.
Fig. 5 is the structural representation of spray gun traveling box in the present invention.
Fig. 6 is the structural representation of suspender of the present invention.
Fig. 7 is the schematic cross-sectional view at fix bar of the present invention.
Fig. 8 is the schematic top plan view for connecing powder tank of the present invention.
Fig. 9 is the view of the recovery powder for connecing powder tank of the present invention.
Embodiment：
Below in conjunction with the accompanying drawings, the present invention will be described.As shown in Fig. 1-Fig. 9, Fig. 1 is the electrostatic spraying line of the present invention
Structural representation.Fig. 2 is the structural representation of the steel pipe conveyer of the present invention.Fig. 3 is Fig. 2 side view.Fig. 4 is the present invention
Structural representation during outer spray coating device operation.Fig. 5 is the structural representation of spray gun traveling box in the present invention.Fig. 6 is the present invention
The structural representation of suspender.Fig. 7 is the schematic cross-sectional view at fix bar of the present invention.The vertical view for connecing powder tank that Fig. 8 is the present invention is shown
It is intended to.Fig. 9 is the view of the recovery powder for connecing powder tank of the present invention.
A kind of manufacture method of epoxy resin pipeline of the present invention, wherein, comprise the following steps：
A. steel pipe is put into pickling tube, carries out acid pickling and rust removing operation,
B. the steel pipe after pickling is rinsed well and dried with clear water, standby,
C. to the steel pipe heating in medium frequency obtained by step B,
D. electrostatic spray is to the inside and outside synchronous spray epoxy powder of steel pipe,
E. it is heating and curing,
F. Temperature fall；
Step D carries out plastic-coated operation using electrostatic spraying line, and electrostatic spraying line includes steel pipe conveyer, trypsin method dress
Put, inner spray coating device and powder recovering device, the extension tube 25 for being used to connect interior spray gun 26 on inner spray coating device is driven for hydraulic pressure
Dynamic stretching structure.
Steel pipe conveyer includes process track 11, and two moving carts 9, moving cart 9 are provided with process track 11
Bottom be provided with road wheel 10, road wheel 10 matches with process track 11, and the top of each moving cart 9 is integrally formed
It is provided with slide rail, slidably connects two motor cabinets 8 on the slide rail in each moving cart 9, the side of motor cabinet 8 is provided with frame
Plate 2, it is fixedly connected between frame plate 2 and moving cart 9, steel pipe rotary electric machine 7 and shaft coupling 1 is fixed with motor cabinet 8, steel pipe turns
The output shaft of dynamic motor 7 is fixedly connected with one end of shaft coupling 1, and the other end of shaft coupling 1 is provided with power transmission shaft, power transmission shaft and frame
Axis connection between plate 2, power transmission shaft are fixedly arranged in the middle of rotating wheel 2, the integrally formed slope for being provided with L shapes in the edge of rotating wheel
Mouthful, steel pipe rotary electric machine 7 drives rotating wheel 6 to rotate by shaft coupling 1, the groove 3 on rotating wheel 6 in two moving carts 9
Place's erection has steel pipe 4, and rotating wheel 6 rotates in place steel pipe 4, upper distance change of two moving carts 9 in process track 11
To adapt to the steel pipe 4 of different length, motor cabinet 8 is fixed on slide rail to adjust the distance of two motor cabinets 8 by bolt,
The spacing of two rotating wheels 6 be have adjusted to adapt to the steel pipe 4 of different tube diameters.
Outer spray coating device includes two work boxs 13 and two groups of work box tracks 19, and work box track 19 is located at process track
11 both sides, the side of each work box 13 are provided with the outer powder case 12 of spray, and opposite side is provided with collection box 18, and work box 13 is in n
Shape, a side wall of work box 13 are fixed with how exclusive spray gun 14, and adjacent two exclusive spray gun 14 is intersected with each other, and intersecting angle is
30-60 degree, the opposite side axis connection of work box 13 have brush axle 16, and the top of brush axle 16 is provided with brush spindle motor, and brush spindle motor is located at
In work box 13, the output shaft of brush spindle motor is fixedly connected with brush axle 16, is socketed with brush axle 16 and is inhaled plastering roller 17, inhales plastering roller
17 be superfine fibre textile, and blower fan and powder falling storehouse, the integrally formed setting of side wall of collection box 18 are provided with collection box 18
Have and inhale powder mouth, inhale plastering roller 17 positioned at the side for inhaling powder mouth, spray and pump box is provided with outer powder case 13, pump box drives powder along outer
Spray gun 14 is ejected on the outer wall of steel pipe 4, and the bottom of work box 13 is hooked with the integrally formed setting in bottom of the backplate 15 of backplate 15.
There is half slot, half slot is the top with steel pipe 4, sprays outer powder case 12, the bottom of collection box 18 is provided with road wheel and road wheel
Match with work box track 19.
Inner spray coating device includes two interior spray gun traveling boxes 22, discharge tube 34, interior spray gun 26 and spray inner powder case 20, interior spray gun
Traveling box 22 is located at the outside of corresponding moving cart 9, and the bottom of interior spray gun traveling box 22 is provided with road wheel and road wheel and work
Sequence track 11 matches, and the middle part of interior spray gun traveling box 22 is provided with fixing pipe 23,
Fixing pipe 23 is fixedly arranged at the front end with extension tube 25, and extension tube 25 is the stretching structure of hydraulic-driven, and extension tube 25 is
More piece, the bottom of interior spray gun traveling box 22 are fixed with bottom plate 24, are fixed with hydraulic pump on bottom plate 24, hydraulic pump and extension tube 25 it
Between connected by hydraulic oil pipe, often save extension tube 25 end be fixed with suspender 35, the integrally formed setting in top of suspender 35
There is the fixing groove 39 of arcuation, some balls 38 are embedded with the inwall of suspender 35, the end of a section extension tube 25 of front end is fixed
There is fix bar 36, four walls of fix bar 36 are embedded with the wide bar magnets 37 of 2-5cm, and the end of fix bar 36 is fixed with interior spray gun
26, interior spray gun 26 plugs together with discharge tube 34 to be connected, and the bottom of a section extension tube 25 of least significant end is fixedly connected with coil pipe case 32, disk
It is fixedly connected between the side wall of bobbin carriage 32 and interior spray gun traveling box 22, the middle part of coil pipe case 32 is provided with spool 33, coil pipe case 32
External stability have coil motor, the output shaft of coil motor is fixedly connected with spool 33, coil motor driving spool rotate into
And the folding and unfolding of discharge tube 34 is realized, discharge tube 34 is through the suspender 35 often saved in extension tube 25 and after the winding of spool 33 and admittedly
The middle part of fixed tube 23 plugs together connection, and spray inner powder case 20 is plugged together by connecting tube is connected to fixing pipe 23；On the tube wall of fixing pipe 23
Lower both sides are fixed with two groups of regulating bolts 21, and regulating bolt 21 is threadedly coupled with the top of bottom plate, interior spray gun traveling box 22, regulation
The precession or back-out of bolt 21 and then fixing pipe 23 is adjusted apart from the height of bottom plate 24, that is, have adjusted height of the interior spray gun apart from ground
Degree is so that interior spray gun 2）Adapt to the steel pipe of different tube diameters and ensure that interior spray gun 26 is suspended from the circle centre position of this steel pipe, spray in inner powder case 20
Pump box is provided with, pump box driving powder sprays along fixing pipe 23, interior spray gun 26.
Powder recovering device includes connecing powder tank 5, connects powder tank 5 and is fixed between process track 11, connects powder tank 5 and be located at steel pipe
Underface, across the top for connecing powder tank 5, the powder part that outer spray gun 14 sprays is fallen within to be connect in powder tank 5 work box 13, connects powder tank 5
Middle part, both ends be integrally formed be provided with collection powder mouth 29 respectively, the section for connecing powder tank 5 is semicircle shape, and the bottom for connecing powder tank 5 plugs together
Mozzle 30 is connected with, multiple mozzles 30 are connected by recovery tube 31, and recovery tube 31 is connected with collection box 18, backplate 15
The both sides of half slot are integrally formed to be provided with link 28, is hooked with rubber flap on link 28, and rubber flap is in semicircle shape, rubber
Glue scraper plate is moved with two work boxs and then the powder connect in powder tank is pushed near collection powder mouth 29, the wind in collection box 18
The powder inhaled plastering roller 17, connect in powder tank 5 is sucked collection box 18 and dropped into powder falling storehouse by the suction of machine.
On work box, stepper motor (i.e. movable motor 27) is provided with interior spray gun traveling box, for driving its motion
Or retreat.
Step D job step is：
First, the spacing of two moving carts is adjusted according to length of steel pipe, and moving cart is fixed to work by fixture block
On sequence track；The distance between motor cabinet of each moving cart is adjusted according to the thickness of steel pipe caliber, spray gun is walked in regulation
Regulating bolt on case, interior spray gun is set to be located at the circle centre position of such a steel pipe, the steel pipe after heating in medium frequency hangs in shifting by overhead traveling crane
At the groove of the rotating wheel of dynamic dolly, steel pipe rotary electric machine is synchronous, motion in the same direction, and steel pipe revolves with the rotation original place of rotating wheel
Turn；
Secondly, two work boxs are made to be located at the both ends of steel pipe, interior spray gun is located at the both ends of steel pipe, two interior spray gun traveling boxes
To entering and the time difference to entering is 5-10s, two work boxs are to entering and the time difference to entering is 5-10s, two interior spray guns walkings
Case, the travel distance of work box are set as the 1/2+15cm of length of steel pipe,
In extension tube traveling process, more piece is gradually spread out, end bar magnet attracts each other with steel pipe inner wall, lowers and fixes
The vibration of bar, the stabilization of spray gun in guarantee；I.e., interior spray gun traveling box, work box move to+15cm places in the middle part of steel pipe, then return
Position；Because traveling existence time is poor, after one of them interior spray gun traveling box, work box return, another interior spray gun traveling box, work
Case has been advanced to close at the 1/2 of length of steel pipe, and seam crossing is repeated to spray.
The present invention carries out powder spray using electrostatic hot spray process, and powder uses epoxy powder, i.e., quiet using high pressure
Electric corona field principle, coated steel pipe is grounded as positive pole, inside and outside spray gun spray nozzle and connects high pressure negative electrode, makes spray gun and steel
A powerful electric field is formed between pipe, steel pipe is after Medium frequency induction coil heats, and pump box generation compressed air is by powder out of spray
Powder case, the outer powder case of spray are sent to spray gun ejection, and the aciculiform electroplax on shower nozzle produces corona discharge, and the powder flowed through carries negative electricity
Lotus, under the double action of electrostatic field and delivery gas, orientation flies to steel pipe internal-surface, with becoming molten condition；Again will pipe
Baking-curing in curing oven is sent into road, and temperature control is at 225-260 DEG C；Temperature fall, strengthen the adhesive force of powder.Become
Epoxy resin pipe.
Comparative experiments：
By taking the polyvinyl chloride spraying pipeline for producing 12m as an example, first group is used as using background technology CN101823044A.This
Invention is used as second group.Using an interior spray gun, one group of outer spray coating device advances to the operating type of the other end as the from one end
Three groups.Every group of processing ten, compares and is listed as follows：
To sum up, advantages of the present invention is：Method is simple, easy to use, can reduce production line floor space, improves production
Efficiency, avoid spray gun from trembleing, dust uniformly and powder using efficiency is high.Specially：
1st, it is of the invention by the way of to entering and poor to entering existence time, spray gun in every group, object for appreciation spray gun is reached steel pipe
At 1/2+15cm distances, that is, exist at 15cm repetition spraying, both saved in general spray time, improved operating efficiency
And can enough makes the perfect docking of seam crossing simultaneously.
2nd, the present invention is by the way of to entering, i.e., rigid interior spray gun can be the half length of conventional lance, with 12 meters
Exemplified by steel tube inner spray applies, if spray gun in 12 meters of extension tube fixation, with motion, extend tube end vibration seriously, largely effect on
Coating quality in pipe.And use to entering mode, reduce the distance of extension tube half, i.e. 6 meters of extension tube can be achieved, vibration
Significantly reduce, coating quality is good in pipe（Current interior spray gun is serious more than 6m vibrations, spraying operation effect in the pipe after 6-7m
Difference）.
Meanwhile in extension tube traveling process, more piece is gradually spread out, end bar magnet attracts each other with steel pipe inner wall, subtracted
The vibration of low fix bar, the stabilization of spray gun in guarantee.Therefore extension tube overall length can be increased to 9-10m, i.e., spray gun in two groups
, can be with disposable spray finishing extreme length 20m steel pipe if entering, and ensure the quality of interior spraying.
3rd, reclaimed while the present invention is sprayed outside by inhaling plastering roller, being returned by Ji Fenkou in powder tank is connect for dropping into
Receive, greatly reduce the waste situation of powder.（Excessive powder in pipe is collected well, only blows to opposite side with from side, and
And be not in the situation of pollution in pipe, and the powder outside pipe becomes easily infected by dust, iron filings etc., so focusing on pipe
The recycling of outer powder.）
4th, because extension rod employs stretching structure, though i.e. process track is significantly short, reduces the length of process track, subtract
Floor space is lacked, has made factory building utilization rate high, when especially site operation sets up production line, construction cost reduces 12-15%.
Claims (3)
1. a kind of manufacture method of epoxy resin pipeline, it is characterised in that comprise the following steps：
A. steel pipe is put into pickling tube, carries out acid pickling and rust removing operation,
B. the steel pipe after pickling is rinsed well and dried with clear water, standby,
C. to the steel pipe heating in medium frequency obtained by step B,
D. electrostatic spray is to the inside and outside synchronous spray epoxy powder of steel pipe,
E. it is heating and curing,
F. Temperature fall；
Step D carries out plastic-coated operation using electrostatic spraying line, and electrostatic spraying line includes steel pipe conveyer, and outer spray coating device is interior
Spray equipment and powder recovering device, being used on inner spray coating device connect interior spray gun（26）Extension tube（25）For hydraulic-driven
Stretching structure；
Step D job step is：
First, the spacing of two moving carts is adjusted according to length of steel pipe, and moving cart is fixed to process rail by fixture block
On road；The distance between motor cabinet of each moving cart is adjusted according to the thickness of steel pipe caliber, in regulation on spray gun traveling box
Regulating bolt, interior spray gun is located at the circle centre position of such a steel pipe, it is small that the steel pipe after heating in medium frequency by overhead traveling crane hangs in movement
At the groove of the rotating wheel of car, steel pipe rotary electric machine is synchronous, motion, steel pipe rotate in place with the rotation of rotating wheel in the same direction；
Secondly, two work boxs are made to be located at the both ends of steel pipe, interior spray gun is located at the both ends of steel pipe, and two interior spray gun traveling boxes are to entering
And the time difference to entering is 5-10s, two work boxs are to entering and the time difference to entering is 5-10s, two interior spray gun traveling boxes, works
The travel distance for making case is set as the 1/2+15cm of length of steel pipe, in extension tube traveling process, gradually spreads out more piece, end bar
Shape magnet attracts each other with steel pipe inner wall, lowers the vibration of fix bar, the stabilization of spray gun in guarantee；I.e., interior spray gun traveling box, work
+ 15cm places in the middle part of steel pipe are moved to as case, then return；Because traveling existence time is poor, one of them interior spray gun traveling box, work
After case return, another interior spray gun traveling box, work box have been advanced to close at the 1/2 of length of steel pipe, and seam crossing is repeated
Spraying；
The manufacture method of epoxy resin pipeline, powder spray being carried out using electrostatic hot spray process, powder uses epoxy powder,
High-pressure electrostatic corona field principle is utilized, coated steel pipe is grounded as positive pole, inside and outside spray gun spray nozzle and connects high pressure negative electricity
Pole, make to form a powerful electric field between spray gun and steel pipe, for steel pipe after Medium frequency induction coil heats, pump box produces compressed air
Powder is sent into spray gun from spray inner powder case, spray outer powder case to spray, the aciculiform electroplax on shower nozzle produces corona discharge, flows through
Powder carries negative electrical charge, and under the double action of electrostatic field and delivery gas, orientation flies to steel pipe internal-surface, is melted with becoming
State；Pipeline is sent into baking-curing in curing oven again, temperature control is at 225-260 DEG C；Temperature fall, strengthen the attached of powder
Put forth effort, become epoxy resin pipe；
Inner spray coating device includes two interior spray gun traveling boxes（22）, discharge tube（34）, interior spray gun（26）With spray inner powder case（20）, it is interior
Spray gun traveling box（22）Positioned at corresponding moving cart（9）Outside, interior spray gun traveling box（22）Bottom be provided with road wheel and
Road wheel and process track（11）Match, interior spray gun traveling box（22）Middle part be provided with fixing pipe（23）, fixing pipe（23）
Be fixedly arranged at the front end with extension tube（25）, extension tube（25）For the stretching structure of hydraulic-driven, extension tube（25）For more piece, interior spray gun
Traveling box（22）Bottom be fixed with bottom plate（24）, bottom plate（24）On be fixed with hydraulic pump, hydraulic pump and extension tube（25）Between
Connected by hydraulic oil pipe, often save extension tube（25）End be fixed with suspender（35）, suspender（35）Top it is integrally formed
It is provided with the fixing groove of arcuation（39）, suspender（35）Inwall on be embedded with some balls（38）, a section extension tube of front end
（25）End be fixed with fix bar（36）, fix bar（36）Four walls be embedded with the wide bar magnets of 2-5cm（37）, fix bar
（36）End be fixed with interior spray gun（26）, interior spray gun（26）With discharge tube（36）Plug together connection, a section extension tube of least significant end
（25）Bottom be fixedly connected with coil pipe case（32）, coil pipe case（32）Side wall and interior spray gun traveling box（22）Between fixed connect
Connect, coil pipe case（32）Middle part be provided with spool（33）, coil pipe case（32）External stability have a coil motor, coil motor it is defeated
Shaft and spool（33）It is fixedly connected, coil motor driving spool rotates and then realizes discharge tube（34）Folding and unfolding, discharge tube
（34）Through often saving extension tube（25）On suspender（35）And pass through spool（33）After winding with fixing pipe（23）Middle part plug together
Connection, spray inner powder case（20）Plugged together by connecting tube and be connected to fixing pipe（23）；Fixing pipe（23）Tube wall up and down both sides fix
There are two groups of regulating bolts（21）, regulating bolt（21）With bottom plate, interior spray gun traveling box（22）Top threaded connection, regulating bolt
（21）Precession or back-out so adjust fixing pipe（23）Apart from bottom plate（24）Height, that is, have adjusted interior spray gun apart from ground
Height is so that interior spray gun（26）Adapt to the steel pipe of different tube diameters and ensure interior spray gun（26）The circle centre position of this steel pipe is suspended from, sprays inner powder
Case（20）Pump box is inside provided with, pump box drives powder along fixing pipe（23）, interior spray gun（26）Spray；
Steel pipe conveyer includes process track（11）, process track（11）On be provided with two moving carts（9）, moving cart
（9）Bottom be provided with road wheel（10）, road wheel（10）With process track（11）Match, each moving cart（9）It is upper
Portion is integrally formed to be provided with slide rail, each moving cart（9）On slide rail on slidably connect two motor cabinets（8）, motor
Seat（8）Side be provided with frame plate（2）, frame plate（2）With moving cart（9）Between be fixedly connected, motor cabinet（8）On be fixed with steel
Pipe rotary electric machine（7）And shaft coupling（1）, steel pipe rotary electric machine（7）Output shaft and shaft coupling（1）One end be fixedly connected, join
Axle device（1）The other end be provided with power transmission shaft, power transmission shaft and frame plate（2）Between axis connection, power transmission shaft is fixedly arranged in the middle of rotation
Wheel（2）, the integrally formed groove for being provided with L shapes in the edge of rotating wheel, steel pipe rotary electric machine（7）Pass through shaft coupling（1）Drive
Rotating wheel（6）Rotate, two moving carts（9）On rotating wheel（6）On groove（3）Place's erection has steel pipe（4）, rotating wheel
（6）Make steel pipe（4）Rotate in place, two moving carts（9）In process track（11）Upper distance change to adapt to different length
The steel pipe of degree（4）, by bolt by motor cabinet（8）Fixed on slide rail so that adjust two motor cabinets（8）Distance, that is, adjust
Two rotating wheels（6）Spacing to adapt to the steel pipe of different tube diameters（4）；
Stepper motor is provided with work box, on interior spray gun traveling box, for driving it to move or retreating.
2. the manufacture method of epoxy resin pipeline according to claim 1, it is characterised in that outer spray coating device includes two works
Make case（13）With two groups of work box tracks（19）, work box track（19）Positioned at process track（11）Both sides, each work box
（13）Side be provided with the outer powder case of spray（12）, opposite side is provided with collection box（18）, work box（13）In n shape, work box
（13）A side wall be fixed with how exclusive spray gun（14）, adjacent two exclusive spray gun（14）It is intersected with each other, intersecting angle 30-60
Degree, work box（13）Opposite side axis connection have brush axle（16）, brush axle（16）Top is provided with brush spindle motor, and brush spindle motor is located at
Work box（13）It is interior, output shaft and the brush axle of brush spindle motor（16）It is fixedly connected, brush axle（16）On be socketed with suction plastering roller（17）,
Inhale plastering roller（17）For superfine fibre textile, collection box（18）Inside it is provided with blower fan and powder falling storehouse, collection box（18）Side wall
Integrally formed be provided with inhales powder mouth, inhales plastering roller（17）Positioned at the side for inhaling powder mouth, outer powder case is sprayed（13）Pump box is inside provided with,
Pump box drives powder along outer spray gun（14）It is ejected into steel pipe（4）On outer wall, work box（13）Bottom be hooked with backplate（15）,
Backplate（15）Bottom it is integrally formed be provided with half slot, half slot is and steel pipe（4）Top, spray outer powder case（12）, return
Receive case（18）Bottom be provided with road wheel and road wheel and work box track（19）Match.
3. the manufacture method of epoxy resin pipeline according to claim 1 or claim 2, it is characterised in that powder recovering device includes
Connect powder tank（5）, connect powder tank（5）It is fixed on process track（11）Between, connect powder tank（5）Positioned at the underface of steel pipe, work box
（13）Across connecing powder tank（5）Top, outer spray gun（14）The powder part of ejection, which is fallen within, connects powder tank（5）It is interior, connect powder tank（5）In
Portion, both ends are integrally formed respectively is provided with Ji Fenkou（29）, connect powder tank（5）Section be semicircle shape, connect powder tank（5）Bottom insert
Conjunction is connected with mozzle（30）, multiple mozzles（30）Pass through recovery tube（31）Series connection, recovery tube（31）With collection box（18）Phase
Connection, backplate（15）The both sides of half slot integrally formed be provided with link（28）, link（28）On be hooked with rubber flap,
Rubber flap is in semicircle shape, and rubber flap moves with two work boxs and then the powder connect in powder tank is pushed into Ji Fenkou
（29）Near, collection box（18）The suction of interior blower fan will inhale plastering roller（17）, connect powder tank（5）On powder suction collection box
（18）And drop into powder falling storehouse.
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| CN201510694404.XA CN105396769B (en) | 2015-10-21 | 2015-10-21 | A kind of manufacture method of epoxy resin pipeline |
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| CN107774479B (en) * | 2017-11-24 | 2023-04-25 | 湖北航聚科技有限公司 | Automatic spraying equipment and method for outer heat-resistant coating |
| CN108716574B (en) * | 2018-06-19 | 2020-05-19 | 广汉华气防腐工程有限公司 | Production process of high-weather-resistance anticorrosive pipe |
| CN109675738B (en) * | 2018-12-27 | 2023-05-12 | 江苏变色龙微粉技术有限公司 | Uniform powder spraying device, working method thereof and powder spraying production line |
| CN109746144B (en) * | 2019-01-17 | 2020-12-01 | 浙江金汇休闲制品有限公司 | Automatic spraying machine for inner and outer walls of steel pipe |
| CN112495721A (en) * | 2020-12-02 | 2021-03-16 | 河北国盛管道装备制造有限公司 | Long distance pipeline internal and external anti-corrosion spraying processing equipment |
| CN113522608A (en) * | 2021-07-08 | 2021-10-22 | 湖南天卓管业有限公司 | Intelligent epoxy powder anti-corrosion spiral steel pipe production equipment |
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| CN1296143C (en) * | 2004-01-13 | 2007-01-24 | 姜宜川 | Electric heating type inside and outside spraying equipment and process for steel-plastic composite pipe |
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Denomination of invention: A manufacturing method of epoxy resin pipeline Effective date of registration: 20220527 Granted publication date: 20180302 Pledgee: China Minsheng Banking Corp Qingdao branch Pledgor: Qingdao Haode Boer Industrial Co.,Ltd. Registration number: Y2022370010078 |
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Denomination of invention: A manufacturing method for epoxy resin pipelines Granted publication date: 20180302 Pledgee: China Minsheng Banking Corp Qingdao branch Pledgor: Qingdao Haode Boer Industrial Co.,Ltd. Registration number: Y2024370010069 |
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