CN207805873U - Environment friendly and pollution-free steel pipe is inside and outside to apply coating line - Google Patents
Environment friendly and pollution-free steel pipe is inside and outside to apply coating line Download PDFInfo
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- CN207805873U CN207805873U CN201721910431.7U CN201721910431U CN207805873U CN 207805873 U CN207805873 U CN 207805873U CN 201721910431 U CN201721910431 U CN 201721910431U CN 207805873 U CN207805873 U CN 207805873U
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Abstract
The utility model is related to apply coating line inside and outside a kind of environment friendly and pollution-free steel pipe, including preheating furnace, interior paint finishing, internal coating curing oven, outer plastic-coated powder system, external coating curing oven, inside and outside two sides, which is beaten after the steel pipe market to preheating furnace, preheating after sand, to be delivered to interior paint finishing and carries out steel pipe internal-surface spraying, it is then sent to internal coating curing oven, carry out hot setting, it is then sent to the outer plastic-coated powder system of steel pipe and carries out outer surface of steel tube spraying, it is then sent to external coating curing oven, carries out outer surface solidification.Production line provided by the utility model makes entire production operation environment give up cigarette without exhaust gas, entire workshop is tasteless, effectively improves production environment due to having the presence of negative pressure, the flue gas that powder generates when being contacted with hot steel pipe to be sucked away together.
Description
Technical field
The utility model belongs to pipe plastic coating field, and especially a kind of environment friendly and pollution-free steel pipe is inside and outside to apply coating line.
Background technology
Currently, plastic-coated steel is a kind of novel efficient corrosion resisting steel, have antiseptic property excellent, compressive resistance is high, makes
With long lifespan, the features such as inner surface is smooth, and liquid flow properties are good, it is made to obtain the approval in market rapidly.Pipe plastic coating is
Polyvinyl resin, ethylene-acrylic acid copolymer, the epoxy powder that a layer thickness is 0.5-1.0mm are melted in steel pipe inner wall or outer wall
The organic matters such as end, nonpoisonous polypropylene or non-toxic polyvinyl chloride and the composite steel-plastic tubing constituted, make it have high intensity, Yi Lian
Connect, flow impact resistant the advantages that.
Existing steel pipe applies molding technology by the steel pipe frame after heating on a pair of of roll shaft outside, and steel is driven by the rotation of roll shaft
Hot melt powder is uniformly sprayed in the rotation of pipe above or below steel pipe, and powder falls on heat on steel pipe and melts, in steel pipe table
The uniform coating layer of a layer thickness is formed on face.
It is as follows with the relevant patent document disclosure of the application according to retrieval：
Patent document CN206454858U discloses a kind of full-automatic inside and outside outer plastic-coated device of the steel pipe for applying coating line of steel pipe,
Be by：Chilling room, conveying wheel carrier, outer plastic-coated device, intermediate frequency preheating device, outer painting Injection Molding Warehouse WIP, power plant, transmission shaft, deflecting
Transmission wheel is constituted；At least one conveying wheel carrier is arranged in chilling room bottom, and power plant, the chilling room other end is arranged in chilling room one end
The outer plastic-coated device of setting, outer plastic-coated device side are arranged intermediate frequency preheating device, are set between outer plastic-coated device and intermediate frequency preheating device
Set transmission wheel.
Patent document CN205988865U disclose a kind of steel conduit it is full-automatic it is inside and outside apply coating line, be by：Steel pipe, on
Expect platform, outer derusting device, transmission device, interior derusting device, internal plastic coating device, heating device, outer plastic-coated device, cooling dress
Set, blanking device, control system, interior derusting feeding device, steel pipe plug seat constitute；The processing platform of pipe plastic coating is arranged straight
Above the conplane transmission device of line, the processing platform of pipe plastic coating is arranged four sections, four sections of steel pipe in the same plane
Processing platform is respectively set to：Internal plastic coating section, preheating section, cooling section, blanking section.
Above-mentioned outer automatic doubler surface glouer is all open, after the steel pipe and powder contact after preheating moment heated powder will produce compared with
More flue gases, poisonous smoke can be to worker and environmental concerns.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of spraying uniformly, work efficiency is high, powder
The outer plastic-coated Powder Recovery integral type spray-painting production line of the good suspension type steel pipe of last recovering effect.
The utility model realizes that the technical solution of purpose is as follows：
A kind of environment friendly and pollution-free steel pipe is inside and outside to apply coating line, including the solidification of preheating furnace, interior paint finishing, inner coating
Stove, outer plastic-coated powder system, external coating curing oven, inside and outside two sides is beaten after the steel pipe market to preheating furnace, preheating after sand be delivered in
Paint finishing carries out steel pipe internal-surface spraying, is then sent to internal coating curing oven, carries out hot setting, is then sent to steel pipe
Outer plastic-coated powder system carries out outer surface of steel tube spraying, is then sent to external coating curing oven, carries out outer surface solidification.
The interior paint finishing structure is：Go out powder side including one, one is inhaled powder side, is gone out powder side spray and is gone out powder, inhales powder side
Powder is absorbed, powder moves in pipeline, and movement while is adsorbed onto inner wall of the pipe；It is described go out powder side structure be：The bottom of including
Seat, antinose-dive leg, head rack, powder babinet, be slidably installed antinose-dive leg on pedestal, the installation of antinose-dive leg upper surface front
Powder babinet is installed at head rack, rear portion, and the powder cabinet front is formed with flour extraction pipe, electromagnetic valve, powder are installed on flour extraction pipe
Last babinet upper surface is installed into powder tank；One powder of level is installed by pipe on the head rack, powder is same by pipe one end
Sealing connects the flour extraction pipe of powder case, and the other end coaxially cuts with scissors tubulature road end closure, a motor is installed on head rack, is passed through
Chain drive pipe end skull rotates；The structure for inhaling powder side is：Including pedestal, head rack, pass through track on pedestal
Be slidably installed head rack, and head rack top is fixedly mounted with a powder absorbing pipe, and tubulature road end closure, powder absorbing pipe are coaxially cut with scissors in powder absorbing pipe one end
The other end connects negative pressure ventilation pipe, and negative pressure ventilation pipe connects powder collecting box；It is described go out powder side pipe end skull and inhale powder side
Pipe end skull be coaxially oppositely arranged；
The outer painting molding powder structure is：System includes pedestal, rack, powder spray movable case, the shifting of powder spray movable case
Dynamic device, steel pipe conduction frame and steel tube frame, steel pipe conduct frame with from the steel pipe movement that preheating furnace comes out to steel pipe branch
On support, steel tube frame rotates simultaneously from both ends supporting steel pipe, and powder spray movable case mobile device is moved with powder spray
Dynamic case passes through from outer surface of steel tube, is sprayed to outer surface of steel tube, installation frame on the pedestal is arranged organic on pedestal
The vertical height of frame and the regulating device of horizontal displacement are formed with moving track in upper rack both sides, powder spray are embedded in track
Movable case mobile device is applied, is symmetrically installed two steel tube frames in the both sides of rack, the middle part installation steel pipe of rack conducts frame；
The structure of the powder spray movable case is：Including spraying babinet, gunjet rack, spray gun, recycling internal layer case and hanger bar, spraying
It is painted with square box, coaxially correspondence is formed with multiple rows of through-hole in the front and rear sides of babinet, is used for across steel pipe to be sprayed, in babinet
Both sides be fixedly mounted with hanger bar, connect for being fixedly mounted with the pedestal of powder spray movable case mobile device, be spaced in spraying box body
It is fixedly mounted with a recycling internal layer case, through-hole is evenly distributed in the bottom of recycling internal layer case, sprays and form interval between babinet and recycling internal layer case
Space, spraying babinet connection connection negative tube；It is fixedly mounted with a gunjet rack in recycling internal layer case, multiple sprays are fixedly mounted with vertically on gunjet rack
Rifle, each spray gun connect electrostatic powder spraying device by pipeline, and electrostatic powder spraying device connects powder storage case.
Moreover, the powder spray movable case mobile device includes a pedestal, pedestal lower part interval is formed with two movable pulleies, sliding
Driving wheel is inlaid in the moving track of holder, and driving motor is installed on pedestal, electrostatic powder spraying device, powder storage case, is returned
Closed cans, driving motor are rotated by chain drive movable pulley, are at the uniform velocity moved in the track of frame upper, and powder electrostatic is installed
Coating device connects spray gun by pipeline, and powder storage case connects the powder inlet of electrostatic powder spraying device, and recycling can passes through pipe
Road is connect with spraying babinet, recycles the powder in spraying box body.
Moreover, the steel tube frame includes a support base, support base is fixed on the rack, support base upper surface slide peace
Steel loading pipe fixed plate, support base are also fixedly mounted with a cylinder, and cylinder pushes steel pipe fixed plate to be moved on support base, and steel pipe is fixed
Axle bed top fills multiple steel pipe fixing axles by the spaced and parallel hinge of axle bed, and steel pipe fixing axle outer rim coaxially fixes gear, owns
Gear engages same chain drive rotation, and chain is driven by motor, and all steel pipe fixing axles is made to rotate at the same speed in the same direction.
Moreover, the steel pipe conduction frame includes a frame, frame vertical straight is slidably mounted on central rack, and complete by cylinder
At the lifting of frame, at frame upper surface interval, hinge fills multiple steel pipe support bars.
The beneficial effects of the utility model are：
There are one the powder spray babinets of relative closure for the powder spray case tool of production line provided by the utility model, spray
Powder be limited in certain space, will not be drifted in entire working environment, it is neatly and clean to be effectively ensured environment, protects
The physical and mental health of worker is demonstrate,proved.
The side wall of spraying box in production line provided by the utility model is bilayer, is formed in the lower part of box inside logical
Hole, spraying remaining powder can be recovered to dust in case by recycling interlayer, realize the complete recycling of powder,
Save raw material.
Production line provided by the utility model is due to having the presence of negative pressure, the flue gas one that powder generates when being contacted with hot steel pipe
And be sucked away, so that entire production operation environment is given up cigarette without exhaust gas, entire workshop is tasteless, effectively improves production environment.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of interior paint finishing.
Fig. 3 is the structural schematic diagram of the outer plastic-coated powder system of steel pipe.
Fig. 4 is the structural schematic diagram for spraying babinet.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings and by specific embodiment, and following embodiment is only retouched
The property stated, it is not restrictive, the scope of protection of the utility model cannot be limited successively.
A kind of inside and outside painting coating line of environment friendly and pollution-free steel pipe, including preheating furnace 3-1, interior paint finishing, inner coating are solid
Change stove 3-2, outer plastic-coated powder system, external coating curing oven 3-3, after the steel pipe market to preheating furnace, preheating after sand is beaten on inside and outside two sides
It is delivered to interior paint finishing and carries out steel pipe internal-surface spraying, be then sent to internal coating curing oven, carry out hot setting, it is then defeated
It send to plastic-coated powder system outside steel pipe and carries out outer surface of steel tube spraying, be then sent to external coating curing oven, carry out outer surface solidification,
Complete the spraying inside and outside process of steel pipe.
The interior paint finishing goes out powder side including one, and one is inhaled powder side, goes out powder side spray and goes out powder, inhales powder side and absorbs powder
End, powder move in pipeline, and movement while is adsorbed onto inner wall of the pipe, complete pipeline internal plastic coating.
It is described go out powder side structure be：Including pedestal 2-6, antinose-dive leg 2-7, head rack 2-3, powder babinet 2-2,
Be slidably installed antinose-dive leg on pedestal, and head rack is installed in antinose-dive leg upper surface front, and powder babinet, the powder are installed in rear portion
Last cabinet front is formed with flour extraction pipe, and electromagnetic valve is installed on flour extraction pipe, and electromagnetic valve realizes ejection and the pass of powder by control
It closes, two visual windows is installed on rear side of powder babinet, for observing powder surplus, powder babinet upper surface is installed into powder tank 2-1,
After generating negative pressure in babinet, powder is entered from into powder tank in powder babinet.Powder babinet goes out powder described in powder lower box
An interlayer is installed in pipe lower part, and interlayer is breathed freely impermeable powder, powder babinet connection one air supply pipe of installation of interlayer lower part, for suspend every
Powder on layer in powder babinet is also used to gas supply, equilibrium air pressure in powder babinet.Level one is installed on the head rack
For powder by pipe, powder connects the flour extraction pipe of powder case by pipe one end co-axial seal, and the other end coaxially cuts with scissors dress pipe head
2-8 is covered, a motor (not shown) is installed on head rack, is rotated by chain drive pipe end skull, realizes the rotation of pipeline
Turn, and with flour extraction pipe co-axial seal hinged connection.The structure for inhaling powder side is：Including pedestal, head rack 2-5, in pedestal
Upper to be slidably installed head rack by track, head rack top is fixedly mounted with a powder absorbing pipe 2-4, and tubulature road is coaxially cut with scissors in powder absorbing pipe one end
End closure, the powder absorbing pipe other end connect negative pressure ventilation pipe, and negative pressure ventilation pipe connects powder collecting box, the connection installation of powder collecting box
One negative-pressure air fan.It is described go out powder side pipe end skull and inhale the pipe end skull of powder side and be coaxially oppositely arranged, two pipe ends
Jointly to pressing from both sides a steel pipe between skull, powder in motion process, is pasted onto steel pipe inner wall in steel pipe, completes steel pipe inner wall
Plastic-coated.
The structure of the outer plastic-coated powder system is：It is moved including pedestal 14, rack 12, powder spray movable case 5, powder spray
Dynamic case mobile device, steel pipe conduction frame and steel tube frame, steel pipe conduct frame with from the steel pipe movement that preheating furnace comes out to
On steel tube frame, steel tube frame rotates simultaneously from both ends supporting steel pipe, and powder spray movable case mobile device is with powder
Spraying movable case passes through from outer surface of steel tube, is sprayed to outer surface of steel tube, concrete structure is as follows：
The regulating device of the vertical height and horizontal displacement of organic frame is arranged in installation frame on the pedestal on pedestal,
It is formed with moving track 9 in upper rack both sides, powder spray movable case mobile device is embedded in track, it is symmetrical in the both sides of rack
Two steel tube frames are installed, the middle part installation steel pipe of rack conducts frame.
The powder spray movable case mobile device includes a pedestal 7, and pedestal lower part interval is formed with two movable pulleies, movable pulley
It is inlaid in the moving track of holder, driving motor 6, electrostatic powder spraying device 2, powder storage case 1, recycling is installed on pedestal
Tank 3, driving motor are rotated by chain drive movable pulley, are at the uniform velocity moved in the track of frame upper, and powder electrostatic is installed
Coating device connects spray gun by pipeline, and powder storage case connects the powder inlet of electrostatic powder spraying device, and recycling can passes through pipe
Road is connect with spraying babinet, recycles the powder in spraying box body.
The steel tube frame includes a support base 13, and support base is fixed on the rack, the installation of support base upper surface slide
Steel pipe fixed plate 16, support base are also fixedly mounted with a cylinder 18, and cylinder pushes steel pipe fixed plate to be moved on support base, and steel pipe is solid
Dead axle seat top fills multiple steel pipe fixing axles 15 by the spaced and parallel hinge of axle bed, and steel pipe fixing axle outer rim coaxially fixes gear,
All gears engage same chain drive rotation, and chain is driven by motor 17, and all steel pipe fixing axles is made to revolve at the same speed in the same direction
Turn.The correspondence steel pipe fixing axle of two pipe supporting racks fixes and rotates same root steel pipe.
The steel pipe conduction frame includes a frame 10, and frame vertical straight is slidably mounted on central rack, and complete by cylinder 11
At the lifting of frame, at frame upper surface interval, hinge fills multiple steel pipe support bars 8, when pipeline transportation to steel pipe conducts the position of frame
After, rise steel pipe and conduct frame, the both ends of steel pipe correspond to the steel pipe fixing axle of steel tube frame respectively, steel pipe fixing axle is by steel
Pipe supports, and carries out external spray.
The structure of the powder spray movable case is：Including spraying babinet 1-5, gunjet rack 1-3, spray gun 1-2, recycling internal layer
Case 1-4 and hanger bar are square box in spraying, and in the front and rear sides of babinet, coaxially correspondence is formed with multiple rows of through-hole 1-7, is used for
Across steel pipe to be sprayed, it is fixedly mounted with hanger bar 1-1 in the both sides of babinet, for the pedestal with powder spray movable case mobile device
It is fixedly mounted with connection, spraying babinet is driven to be moved to the other end from one end of a steel pipe.
Interval is fixedly mounted with a recycling internal layer case in spraying box body, and through-hole 1-8, spraying box are evenly distributed in the bottom of recycling internal layer case
Clearance space, spraying babinet connection connection negative tube 1-6 are formed between body and recycling internal layer case, negative tube connects Powder Recovery tank
(not shown), recycling can are used to place the powder of recycling.Spraying babinet and the space recycled between internal layer case are used to pass through manufacture
The powder of negative pressure, landing enters clearance space from through-hole, connects a negative pressure pump in recycling can, manufactures negative pressure.
It is fixedly mounted with a gunjet rack in recycling internal layer case, is fixedly mounted with multiple spray guns on gunjet rack vertically, each spray gun passes through pipeline
Electrostatic powder spraying device (pipeline and electrostatic spraying apparatus are not drawn) is connected, electrostatic powder spraying device connects powder storage
Case.In order to which gas absorption is more smooth, recycling internal layer lower box part is arc corners.
The working method of the Multifunctional steel pipe internal plastic coating equipment of the application is as follows：
The steel pipe that preheating furnace comes out is hanging on carriage, two cylinders of cylinder started on pedestal inwardly push machine
Head bracket and powder babinet make the pipe end skull co-axial seal lid of head rack and powder babinet be mounted in the both sides of steel pipe, so
Pipeline end closure is selected afterwards, while selection, is started the wind turbine of last lower box, is started the negative-pressure air fan of powder collecting box, it is right
It carries out blowing powder in pipeline, the inner wall of the pipe after heating is sprayed, after spraying, close each wind turbine, start the gas of holder
Cylinder retracts head rack and powder babinet to both sides, is fallen under steel pipe on carriage and carries out next being transported to inner coating high temperature
Curing oven.
By the steel pipe market after hot setting to trypsin method man, it is hanging on two corresponding steel pipe clamps, rotating steel tube
Clamp starts electric rotating machine and opens spraying box body device, moves horizontally spraying babinet, electrostatic powder spraying device is opened, to pipe
Road outer surface is sprayed, and does not have the leakage of any dust, operating environment very clean and tidy in spraying process.Wherein, powder and heat
The flue gas that generates is sucked away together when steel pipe contacts, and so that entire production operation environment is given up cigarette without exhaust gas, entire workshop is tasteless, effectively
Improve production environment.
Finally by steel pipe market to external coating curing oven, solidification postcooling completes spraying inside and outside.
Claims (4)
1. a kind of environment friendly and pollution-free steel pipe is inside and outside to apply coating line, including preheating furnace, interior paint finishing, internal coating curing oven,
Outer plastic-coated powder system, external coating curing oven, inside and outside two sides are delivered to interior spraying after beating the steel pipe market to preheating furnace, preheating after sand
System carries out steel pipe internal-surface spraying, is then sent to internal coating curing oven, carries out hot setting, is then sent to steel pipe and applies outside
Molding powder system carries out outer surface of steel tube spraying, is then sent to external coating curing oven, carries out outer surface solidification, it is characterised in that：
The interior paint finishing structure is：Go out powder side including one, one is inhaled powder side, is gone out powder side spray and is gone out powder, is inhaled powder side and is absorbed
Powder, powder move in pipeline, and movement while is adsorbed onto inner wall of the pipe；It is described go out powder side structure be：Including pedestal, case
Body support frame, head rack, powder babinet, be slidably installed antinose-dive leg on pedestal, and head is installed in antinose-dive leg upper surface front
Powder babinet is installed at holder, rear portion, and the powder cabinet front is formed with flour extraction pipe, electromagnetic valve, powder case are installed on flour extraction pipe
Body upper surface is installed into powder tank；One powder of level is installed by pipe on the head rack, powder is coaxially close by pipe one end
The flour extraction pipe of envelope connection powder case, the other end coaxially cut with scissors tubulature road end closure, a motor are installed on head rack, passes through chain
Drive the rotation of pipeline end closure；The structure for inhaling powder side is：Including pedestal, head rack, slided by track on pedestal
Head rack is installed, head rack top is fixedly mounted with a powder absorbing pipe, and tubulature road end closure is coaxially cut with scissors in powder absorbing pipe one end, and powder absorbing pipe is another
End connection negative pressure ventilation pipe, negative pressure ventilation pipe connect powder collecting box；It is described go out powder side pipe end skull and inhale the pipe of powder side
Road end closure is coaxially oppositely arranged；
The outer painting molding powder structure is：System includes pedestal, rack, powder spray movable case, powder spray movable case movement dress
It sets, steel pipe conduction frame and steel tube frame, steel pipe conduct frame with from the steel pipe movement that preheating furnace comes out to steel tube frame
On, steel tube frame rotates simultaneously from both ends supporting steel pipe, and powder spray movable case mobile device is with powder spray movable case
Pass through from outer surface of steel tube, outer surface of steel tube is sprayed, organic frame is arranged in installation frame on the pedestal on pedestal
The regulating device of vertical height and horizontal displacement is formed with moving track in upper rack both sides, and being embedded in powder spray in track moves
Dynamic case mobile device is symmetrically installed two steel tube frames in the both sides of rack, and the middle part installation steel pipe of rack conducts frame；It is described
The structure of powder spray movable case is：Including spraying babinet, gunjet rack, spray gun, recycling internal layer case and hanger bar, it is in spraying
Square box, in the front and rear sides of babinet, coaxially correspondence is formed with multiple rows of through-hole, is used for across steel pipe to be sprayed, the two of babinet
Side is fixedly mounted with hanger bar, is connect for being fixedly mounted with the pedestal of powder spray movable case mobile device, is spaced and is fixedly mounted in spraying box body
One recycling internal layer case is evenly distributed with through-hole in the bottom of recycling internal layer case, sprays and form clearance space between babinet and recycling internal layer case,
Spray babinet connection connection negative tube；It is fixedly mounted with a gunjet rack in recycling internal layer case, is fixedly mounted with multiple spray guns vertically on gunjet rack, often
A spray gun connects electrostatic powder spraying device by pipeline, and electrostatic powder spraying device connects powder storage case.
2. environment friendly and pollution-free steel pipe according to claim 1 is inside and outside to apply coating line, it is characterised in that：The powder spray
It includes a pedestal to apply movable case mobile device, and pedestal lower part interval is formed with two movable pulleies, and movable pulley is inlaid in the moving rail of holder
In road, driving motor, electrostatic powder spraying device, powder storage case, recycling can are installed on pedestal, driving motor is driven by chain
Dynamic movable pulley rotation, is at the uniform velocity moved in the track of frame upper, and installation electrostatic powder spraying device connects spray gun by pipeline,
Powder storage case connects the powder inlet of electrostatic powder spraying device, and recycling can is connect by pipeline with spraying babinet, recycling spray
Apply the powder in babinet.
3. environment friendly and pollution-free steel pipe according to claim 1 is inside and outside to apply coating line, it is characterised in that：The steel pipe branch
Support includes a support base, and support base is fixed on the rack, and support base upper surface slide installs steel pipe fixed plate, and support base is also
It is fixedly mounted with a cylinder, cylinder pushes steel pipe fixed plate to be moved on support base, and steel pipe fixed plate top is flat by axle bed interval
Row hinge fills multiple steel pipe fixing axles, and steel pipe fixing axle outer rim coaxially fixes gear, and all gears engage same chain drive rotation
Turn, chain is driven by motor, and all steel pipe fixing axles is made to rotate at the same speed in the same direction.
4. environment friendly and pollution-free steel pipe according to claim 1 is inside and outside to apply coating line, it is characterised in that：The steel pipe passes
Saddle includes a frame, and frame vertical straight is slidably mounted on central rack, and the lifting of frame is completed by cylinder, in frame upper table
Face interval hinge fills multiple steel pipe support bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721910431.7U CN207805873U (en) | 2017-12-30 | 2017-12-30 | Environment friendly and pollution-free steel pipe is inside and outside to apply coating line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721910431.7U CN207805873U (en) | 2017-12-30 | 2017-12-30 | Environment friendly and pollution-free steel pipe is inside and outside to apply coating line |
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| Publication Number | Publication Date |
|---|---|
| CN207805873U true CN207805873U (en) | 2018-09-04 |
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ID=63328885
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721910431.7U Active CN207805873U (en) | 2017-12-30 | 2017-12-30 | Environment friendly and pollution-free steel pipe is inside and outside to apply coating line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080196A (en) * | 2017-12-30 | 2018-05-29 | 天津昕田管道科技有限公司 | Environment friendly and pollution-free steel pipe is inside and outside to apply coating line |
-
2017
- 2017-12-30 CN CN201721910431.7U patent/CN207805873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080196A (en) * | 2017-12-30 | 2018-05-29 | 天津昕田管道科技有限公司 | Environment friendly and pollution-free steel pipe is inside and outside to apply coating line |
| CN108080196B (en) * | 2017-12-30 | 2024-05-14 | 天津昕田管道科技有限公司 | Environment-friendly pollution-free steel pipe internal and external plastic coating production line |
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