CN107097442B - A kind of polyurethane coating polyethylene winding insulating tube manufacturing equipment and manufacturing process - Google Patents
A kind of polyurethane coating polyethylene winding insulating tube manufacturing equipment and manufacturing process Download PDFInfo
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- CN107097442B CN107097442B CN201710244494.1A CN201710244494A CN107097442B CN 107097442 B CN107097442 B CN 107097442B CN 201710244494 A CN201710244494 A CN 201710244494A CN 107097442 B CN107097442 B CN 107097442B
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- steel pipe
- polyurethane coating
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- polyethylene
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- 229920000573 polyethylene Polymers 0.000 title claims abstract description 83
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 82
- -1 polyethylene Polymers 0.000 title claims abstract description 80
- 239000011527 polyurethane coating Substances 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 65
- 238000004804 winding Methods 0.000 title claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 168
- 239000010959 steel Substances 0.000 claims abstract description 168
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- 238000005422 blasting Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims description 38
- 238000010926 purge Methods 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 26
- 239000004814 polyurethane Substances 0.000 claims description 19
- 229920002635 polyurethane Polymers 0.000 claims description 19
- 238000007664 blowing Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 4
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 210000001367 artery Anatomy 0.000 claims 1
- 238000005187 foaming Methods 0.000 claims 1
- 239000011295 pitch Substances 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 239000000047 product Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
Abstract
A kind of polyurethane coating polyethylene winding insulating tube manufacturing equipment and manufacturing process, belong to outside insulating tube and protect processing technique field.The polyurethane coating polyethylene winding insulating tube manufacturing equipment includes steel pipe derusting and cleaning work region, polyurethane coating operating area, polyethylene winding operating area and steel tube head processing operating area；Outer wall of steel pipe impeller blasting line and steel pipe inner wall cleaning equipment are set in steel pipe derusting and cleaning work region；Polyurethane coating line is set in polyurethane coating operating area；Line is wound in polyethylene winding operating area setting polyethylene；In steel tube head processing operating area, steel tube head cutting equipment is set；Workpiece delivery track and hydraulic lifting trolley are set between steel pipe derusting and cleaning work region, polyurethane coating operating area, polyethylene winding operating area and steel tube head processing operating area.Present invention reduces the manufacturing costs of insulating tube, shorten the production cycle, improve insulating tube product quality, reliability and service life.
Description
Technical field
The present invention relates to a kind of polyurethane coating polyethylene winding insulating tube manufacturing equipment and manufacturing process, belong to insulating tube
Outer protection processing technique field.
Background technique
Prefabricated direct-buried thermal insulation pipe is by the steel pipe (instrumentation tubes) of pumped (conveying) medium, polyurethane rigid foam plastic (insulating layer), height
Density polyethylene outer tube (outer jacket) is constituted, because of its, anti-corrosion low with thermal losses and good insulation preformance, quick construction safety etc.
Advantage is widely used in central heating pipe, the heat preservation of the industrial pipelines such as central air-conditioning pipe, chemical industry, medicine, cold insulation work
Journey.
Currently, manufacturing enterprise generallys use traditional " tube-in-tube " technique production prefabricated direct-buried thermal insulation pipe, the production technology
Middle each process independence is strong, convenient for professional operation and shares out the work and helps one another；The standardization of product-quality indicators is strong, produces convenient for tissue.But traditional " pipe
There is also certain limitations for middle pipe " production technology, first is that due to specification (such as tubing bore, insulating layer and the housing of product
Tube thickness etc.) it is relatively fixed, it is influenced by factors such as region, weather, geology, hydrology difference, pipeline medium temperatures, it should
Technique can only adapt to the conventional requirement in market, can larger production manufacture when user proposes that specific non-standardized products require
Cost and construction investment extend production and construction period；Second is that polyethylene jacket pipe is in poly- ammonia using " tube-in-tube " production technology
During ester injection molding, polyurethane foam can generate certain expansive force, in order to guarantee the safety of tubing, need to increase housing
The design thickness of tube wall, the cost of manufacture for thereby resulting in technical process are higher；Third is that polyurethane material feeding either horizontal versions
Or oblique form, the insulating layer Density Distribution of formation is all uneven, to guarantee that each position density index of tubing is not less than standard
It is required that, it is necessary to the urethane raw of more injection 40-50% equally exists the higher problem of cost of manufacture of technical process.
Summary of the invention
The present invention provides a kind of polyurethane coating polyethylene winding insulating tube manufacturing equipment and manufacturing process, it is intended to reduce and protect
The manufacturing cost of warm pipe shortens production and construction period, reaches the mesh for promoting insulating tube product quality, reliability and service life
's.
To achieve the above object, the technical scheme adopted by the invention is that:
A kind of polyurethane coating polyethylene winding insulating tube manufacturing equipment, including the steel pipe set gradually according to process flow
Derusting and cleaning work region, polyurethane coating operating area, polyethylene winding operating area and steel tube head handle operation area
Domain；Outer wall of steel pipe impeller blasting line and steel pipe inner wall cleaning equipment are set in the steel pipe derusting and cleaning work region, it is described
Outer wall of steel pipe impeller blasting line is equipped with blast cleaner for outer surface of steel pipe；Polyurethane is set in the polyurethane coating operating area
Spraying coating line, the polyurethane coating line include steel pipe preheating equipment and polyurethane spray automatic doubler surface glouer, and in polyurethane coating line tail
Hydraulic blanking shift fork is arranged in portion；Polyethylene winding operating area setting polyethylene winds line, and the polyethylene winds line packet
Include polyethylene sheets extrusion and the cooling equipment of Wiring apparatus, water spray；Steel pipe end is arranged in steel tube head processing operating area
Head cutting equipment；The steel pipe impeller blasting line, polyurethane coating line, polyethylene winding line in be respectively provided with can adjust automatically conveying
Take turns the worm drive steel pipe market line of distance and delivery wheel angle；Make in steel pipe derusting and cleaning work region, polyurethane coating
Workpiece delivery track is set between industry region, polyethylene winding operating area and steel tube head processing operating area, it is defeated in workpiece
It send and configures at least two on track for transporting the hydraulic lifting trolley of workpiece.
Above-mentioned polyurethane coating polyethylene winds insulating tube manufacturing equipment, and the hydraulic lifting trolley is equipped with lifting seat, liquid
Cylinder pressure, hoofing part mechanism and traveling wheel；The lifting seat is the V-type holder structure to match with excircle of workpiece face, is mounted on liquid
On cylinder pressure telescopic arm；The hydraulic cylinder is fixed in hydraulic lifting trolley with vertical state；The hoofing part mechanism packet
Motor, transmission component, initiative drive shaft and slave drive axis are included, the motor drives initiative drive shaft to transport by transmission component
Turn, the initiative drive shaft and slave drive axis are mounted in hydraulic lifting trolley, in initiative drive shaft and slave drive
Traveling wheel is equipped on axis；Traveling wheel rolling-operation on workpiece delivery track.
Above-mentioned polyurethane coating polyethylene winds insulating tube manufacturing equipment, and the hydraulic lifting trolley is additionally provided with lifting guiding
Component, the lifting guide assembly are arranged symmetrically in hydraulic cylinder two sides, including mutually matched guide sleeve and guide post, the guide sleeve with
Lifting seat fixing assembling, the guide post are fixed in hydraulic lifting trolley.
Above-mentioned polyurethane coating polyethylene winds insulating tube manufacturing equipment, and the steel pipe inner wall cleaning equipment includes blowing dress
Set, steel pipe rotary support device and sealing dust collect plant；The blowing device is equipped with purging trolley, blower, air supply tube, air supply tube
Supporting trolley, air supply tube support wheel and blowing device moving track, the purging trolley and air supply tube supporting trolley are arranged in
On blowing device moving track, driving motor is set on purging trolley, the air supply tube supporting trolley walking is slave state,
It is connect by steel chain with purging trolley, on purging trolley, fan outlet and the sealing of air supply tube input end connect the assembling
It connects, the air supply tube support wheel of assembly and steel pipe inner wall cooperation in the outlet end of air supply tube.
Above-mentioned polyurethane coating polyethylene winds insulating tube manufacturing equipment, and the sealing dust collect plant is by walking vehicle body, close
Seal warehouse, sealing dust collect plant moving track, Pulse blowback type deduster and dust hopper composition；The sealed cabin body, pulse
Back flushing type deduster and dust hopper are installed on walking vehicle body, close equipped with cooperating with workpiece port in sealed cabin body front end
Glue sealing board connects pulse reversed bay-type deduster, the pulse reversed bay-type deduster dust-exhausting port and dust material in sealed cabin body rear end
Bucket connection.
Above-mentioned polyurethane coating polyethylene winds insulating tube manufacturing equipment, and steel pipe preheating is set in the polyurethane coating line
It is standby to use medium-frequency electrical heating device, and the cooling for cooling down the intermediate frequency power supply and intermediate frequency coil of medium-frequency electrical heating device is set
Tower.
A kind of polyurethane coating polyethylene winding insulating tube production technology, winds in above-mentioned polyurethane coating polyethylene and keeps the temperature
Insulating tube production process is completed in pipe manufacturing equipment, is comprised the technical steps that:
A, outer wall of steel pipe impeller blasting: the spiral that workpiece is transported to steel pipe impeller blasting line is passed using hydraulic lifting trolley
On dynamic steel pipe market line, start blast cleaner for outer surface of steel pipe, steel pipe passes through blast cleaner for outer surface of steel pipe with certain speed
Shot blast room completes outer wall of steel pipe derusting operation；
B, steel pipe inner wall purges: using hydraulic lifting trolley that workpiece is defeated by the worm drive steel pipe of steel pipe impeller blasting line
Line sending is transported in the steel pipe rotary support device of steel pipe inner wall cleaning equipment, is sealed walking vehicle body in dust collect plant and is collected along sealing
Dirt device moving track is drawn close to workpiece, and workpiece one end is made to enter sealed cabin body, starts steel pipe rotary support device, steel pipe is around certainly
Body axis rotation, purging trolley is run on blowing device moving track, and after driving air supply tube to enter workpiece, blower starting is led to
The air outlet for crossing air supply tube purges steel pipe inner wall, while sealing Pulse blowback type deduster in dust collect plant and working, will
On steel pipe inner wall in remaining corrosion dust sucking dust hopper, completes steel pipe inner wall and purge operation；
C, workpiece polyurethane coating: is supported into dress by the steel pipe rotary of steel pipe inner wall cleaning equipment using hydraulic lifting trolley
It sets and is transported to polyurethane coating operating area, moved ahead, passed through by the worm drive steel pipe market line driving workpiece of polyurethane coating line
Medium-frequency electrical heating device heats workpiece, and then by polyurethane spray automatic doubler surface glouer, even application polyurethane is sent out in workpiece outer wall
Raw material is steeped, polyurethane coating operation is completed；
D, polyethylene is wound: using hydraulic blanking shift fork by workpiece by the worm drive steel pipe market line of polyurethane coating line
On be transferred on hydraulic lifting trolley, then by hydraulic lifting trolley by workpiece be transported to polyethylene winding operating area, You Juyi
The worm drive steel pipe market line driving workpiece that alkene winds line moves ahead, while polyethylene sheets squeeze out and Wiring apparatus work, squeeze
The polyethylene sheets of certain thickness melting out, and it is wrapped in layer of polyurethane surface according to the superposition of the technical parameter of control, through water
After spraying cooling, outer protective polyethylene layer is tightly wrapped on the steel pipe of polyurethane foam, completes the production of outer protective polyethylene layer；
E, steel tube head is handled: using hydraulic lifting trolley by workpiece by the worm drive steel pipe market of polyethylene winding line
Line is transported to steel tube head processing operating area, is cut workpiece both ends end by steel tube head cutting equipment according to being sized
It removes, workpiece is then transported to by product storage area by hydraulic lifting trolley, complete the winding heat preservation of polyurethane coating polyethylene
Pipe production process.
Above-mentioned polyurethane coating polyethylene winds insulating tube manufacturing process, and in stepb, workpiece one end enters sealed cabin body
Afterwards, the edge of work is sealed by sealing plate, guarantees that remaining corrosion dust all sucks in dust hopper on steel pipe inner wall.
Above-mentioned polyurethane coating polyethylene winds insulating tube manufacturing process, will by medium-frequency electrical heating device in step c
Running outer surface of steel tube is heated to 40~60 DEG C, removes the attachments such as steel tube surface moisture, protects outer surface of steel tube temperature
It holds and is higher than at least 3 DEG C or more of dew-point temperature.
Above-mentioned polyurethane coating polyethylene winds insulating tube manufacturing process, and in step c, polyurethane spray automatic doubler surface glouer is by poly- ammonia
Ester raw material by umbrella shape, mist and it is uniformly mixed in the form of even application in the workpiece outer wall that spiral moves ahead, guarantee that polyurethane is former
Material is initiated within a certain period of time, reaches the compression strength and thickness of setting.
The present invention passes through the combination of automated production equipment and vanguard technology, and it is raw to not only solve traditional " tube-in-tube "
Cost of goods manufactured existing for production. art is high, construction investment is big, production and the problems such as long construction period, and makes prefabricated thermal insulation
The insulating layer Density Distribution uniformity of pipe product, to improve heat preservation pipe prefabricated product quality, reliability and use the longevity
Life.According to theory analysis, insulating tube manufacturing equipment and manufacturing process system are wound using polyurethane coating polyethylene of the present invention
At prefabricated direct-buried thermal insulation pipe, thermal conductivity ratio national standard decline 0.3%, fractional energy savings reaches 9%, and product service life can prolong
It is 30 to 50 years long；In production process, can reduce repeatability manufacture energy consumption 20% or so, synthesis energy saving rate reach 30% with
On.
Detailed description of the invention
Fig. 1 is polyurethane coating polyethylene winding insulating tube manufacturing equipment plan view；
Fig. 2 is the top view of hydraulic lifting trolley；
Fig. 3 is the A direction view of Fig. 2；
Fig. 4 is the top view of steel pipe inner wall cleaning equipment；
Fig. 5 is the B direction view of Fig. 4.
Each label indicates in figure are as follows:
I, steel pipe derusting and cleaning work region, II, polyurethane coating operating area, III, polyethylene winding operating area,
IV, steel tube head handles operating area；
1, worm drive steel pipe market line；2, workpiece delivery track；3, hydraulic lifting trolley, 3-1, lifting seat, 3-2, row
Walk driving mechanism, 3-3, traveling wheel, 3-4, hydraulic cylinder, 3-5, guide sleeve, 3-6, guide post；4, blast cleaner for outer surface of steel pipe；5, steel
Inside pipe wall cleaning equipment, 5-1, blowing device, 5-1-1, air supply tube, 5-1-2, air supply tube support wheel, 5-1-3, air supply tube support
Trolley, 5-1-4, blower, 5-1-5, purging trolley, 5-1-6, steel chain, 5-1-7, blowing device moving track, 5-2, steel pipe rotary
Support device, 5-3, sealing dust device, 5-3-1, sealed cabin body, 5-3-2, Pulse blowback type deduster, 5-3-3, walking are small
Vehicle, 5-3-4, dust hopper, 5-3-5, sealing dust device moving track, 5-3-6, sealing plate；6, steel pipe preheating equipment；
7, polyurethane spray automatic doubler surface glouer；8, hydraulic blanking shift fork；9, polyethylene sheets extrusion and Wiring apparatus；10, the cooling equipment of water spray；
11, steel tube head cutting equipment；12, steel pipe.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawings and embodiments:
Referring to Fig. 1, a kind of polyurethane coating polyethylene winding insulating tube manufacturing equipment, including successively set according to process flow
The steel pipe derusting set and cleaning work region I, polyurethane coating operating area II, polyethylene winding operating area III and steel pipe end
Head processing operating area IV；It is arranged in outer wall of steel pipe impeller blasting line and steel pipe in the steel pipe derusting and cleaning work region I
Wall cleaning equipment 5, the outer wall of steel pipe impeller blasting line are equipped with blast cleaner for outer surface of steel pipe 4；The polyurethane coating is made
Polyurethane coating line is set in industry region II, and the polyurethane coating line includes that steel pipe preheating equipment 6 and polyurethane spray are coated with
Standby 7, and hydraulic blanking shift fork 8 is set in polyurethane coating line tail portion, steel pipe preheating equipment 6 is adopted in the polyurethane coating line
With medium-frequency electrical heating device；Polyethylene winding operating area III is arranged polyethylene and winds line, and the polyethylene winds line packet
Include polyethylene sheets extrusion and the cooling equipment 10 of Wiring apparatus 9, water spray；Steel is arranged in steel tube head processing operating area IV
Pipe end cutting equipment 11；The steel pipe impeller blasting line, polyurethane coating line, polyethylene wind in line and are respectively provided with and can adjust automatically
The worm drive steel pipe market line 1 of whole delivery wheel distance and delivery wheel angle；In cleaning work region I, polyurethane coating operation
Workpiece delivery track 2 is set between region II, polyethylene winding operating area III and steel tube head processing operating area IV, in work
At least two are configured on part delivery track 2 for transporting the hydraulic lifting trolley 3 of workpiece.
Referring to Fig. 2, Fig. 3, in polyurethane coating polyethylene of the present invention winding insulating tube manufacturing equipment, the liquid
Lift cart 3 is pressed to be equipped with lifting seat 3-1, hydraulic cylinder 3-4, lifting guide assembly, hoofing part mechanism 3-2 and traveling wheel 3-3；Institute
Stating lifting seat 3-1 is the V-type holder structure to match with excircle of workpiece face, is mounted on the telescopic arm of hydraulic cylinder 3-4；It is described hydraulic
Cylinder 3-4 is fixed on 3 car body of hydraulic lifting trolley with vertical state；The lifting guide assembly is arranged symmetrically in hydraulic cylinder 3-4
Two sides, including mutually matched guide sleeve 3-5 and guide post 3-6, the guide sleeve 3-5 and lifting seat 3-1 fixing assembling, the guide post 3-
6 are fixed on 3 car body of hydraulic lifting trolley；The hoofing part mechanism 3-2 include motor, transmission component, initiative drive shaft and
Slave drive axis, the motor drive initiative drive shaft to operate by transmission component, the initiative drive shaft and slave drive axis
It is mounted on 3 car body of hydraulic lifting trolley, traveling wheel 3-3 is equipped on initiative drive shaft and slave drive axis；The traveling wheel
3-3 rolling-operation on workpiece delivery track 2.
Referring to Fig. 4, Fig. 5, in polyurethane coating polyethylene of the present invention winding insulating tube manufacturing equipment, the steel
Inside pipe wall cleaning equipment 5 includes blowing device 5-1, steel pipe rotary support device 5-2 and sealing dust collect plant 5-3；The blowing
Device 5-1 is equipped with purging trolley 5-1-5, blower 5-1-4, air supply tube 5-1-1, air supply tube supporting trolley 5-1-3, air supply tube support
Wheel 5-1-2 and blowing device moving track 5-1-7, the purging trolley 5-1-5 and air supply tube supporting trolley 5-1-3 are arranged in
On blowing device moving track 5-1-7, driving motor, the air supply tube supporting trolley 5-1-3 are set on purging trolley 5-1-5
Walking is slave state, is connect by steel chain 5-1-6 with purging trolley 5-1-5, the blower 5-1-4 is mounted on purging trolley 5-
On 1-5, fan outlet and air supply tube input end are tightly connected, and are assembled in the outlet end of air supply tube 5-1-1 and are matched with 12 inner wall of steel pipe
The air supply tube support wheel 5-1-2 of conjunction；The sealing dust collect plant 5-3 is collected by walking vehicle body 5-3-3, sealed cabin body 5-3-1, sealing
Dirt device moving track 5-3-5, Pulse blowback type deduster 5-3-2 and dust hopper 5-3-4 composition；The sealed cabin body 5-3-
1, Pulse blowback type deduster 5-3-2 and dust hopper 5-3-4 are installed on walking vehicle body 5-3-3, in sealed cabin body 5-3-1
Front end is equipped with the sealing plate 5-3-6 cooperated with workpiece port, connects pulse reversed bay-type deduster in the rear end sealed cabin body 5-3-1
The dust-exhausting port of 5-3-2, the pulse reversed bay-type deduster 5-3-2 are connect with dust hopper 5-3-4.
Referring to Fig. 1, polyurethane coating polyethylene of the present invention winds insulating tube manufacturing process, it is in above-mentioned polyurethane
Spraying polyethylene, which is wound, completes insulating tube production process in insulating tube manufacturing equipment, comprise the technical steps that:
A, workpiece outer wall of steel pipe impeller blasting: is transported to the spiral of steel pipe impeller blasting line using hydraulic lifting trolley 3
It is driven on steel pipe market line, starts blast cleaner for outer surface of steel pipe 4, steel pipe 12 passes through outer wall of steel pipe impeller blasting with certain speed
The shot blast room of machine 4 completes outer wall of steel pipe derusting operation；
B, steel pipe inner wall purges: using hydraulic lifting trolley 3 by workpiece by the worm drive steel pipe of steel pipe impeller blasting line
Pipeline is transported on the steel pipe rotary support device 5-2 of steel pipe inner wall cleaning equipment 5, seals moving trolley in dust collect plant 5-3
Body 5-3-3 is drawn close along sealing dust collect plant moving track 5-3-5 to workpiece, so that workpiece one end is entered sealed cabin body 5-3-1, then lead to
It crosses sealing plate 5-3-6 to seal the edge of work, starts steel pipe rotary support device 5-2, steel pipe 12 is rotated around own axes, blown
Trolley 5-1-5 is swept to run on blowing device moving track 5-1-7, after driving air supply tube 5-1-1 to enter workpiece, blower 5-1-4
Starting, purges steel pipe inner wall by the air outlet of air supply tube 5-1-1, while sealing pulse backblowing in dust collect plant 5-3
Formula deduster 5-3-2 work, corrosion dust remaining on steel pipe inner wall is sucked in dust hopper 5-3-4, completes steel pipe inner wall
Purge operation；
C, polyurethane coating: workpiece is supported by the steel pipe rotary of steel pipe inner wall cleaning equipment 5 using hydraulic lifting trolley 3
Device 5-2 is transported to polyurethane coating operating area II, drives workpiece by the worm drive steel pipe market line of polyurethane coating line
It moves ahead, running 12 outer surface of steel pipe is heated to 40~60 DEG C through medium-frequency electrical heating device, removes steel tube surface moisture etc.
Attachment makes outer surface of steel tube temperature be kept above at least 3 DEG C or more of dew-point temperature, then will be gathered by polyurethane spray automatic doubler surface glouer 7
Urethane raw material by umbrella shape, mist and it is uniformly mixed in the form of even application spiral move ahead workpiece outer wall on, complete polyurethane
Spraying operation；
D, polyethylene is wound: using hydraulic blanking shift fork 8 by workpiece by the worm drive steel pipe market of polyurethane coating line
It is transferred on line on hydraulic lifting trolley 3, then workpiece is transported to polyethylene winding operating area III by hydraulic lifting trolley 3,
It is moved ahead by the worm drive steel pipe market line driving workpiece of polyethylene winding line, while polyethylene sheets squeeze out and Wiring apparatus 9
Work squeezes out the polyethylene sheets of certain thickness melting, and is wrapped in layer of polyurethane table according to the superposition of the technical parameter of control
Face, after the cooling equipment 10 of water spray is cooling, outer protective polyethylene layer is tightly wrapped on the steel pipe of polyurethane foam, completes poly- second
The production of alkene outer jacket；
E, steel tube head is handled: using hydraulic lifting trolley 3 that workpiece is defeated by the worm drive steel pipe of polyethylene winding line
Line sending is transported to steel tube head processing operating area IV, by steel tube head cutting equipment 11 according to being sized workpiece both ends end
Then workpiece is transported to product storage area by hydraulic lifting trolley 3 by head excision, complete the winding of polyurethane coating polyethylene
Insulating tube production process.
Claims (4)
1. a kind of polyurethane coating polyethylene winds insulating tube manufacturing process, it is characterised in that: twined in polyurethane coating polyethylene
Insulating tube production process is completed in insulating tube manufacturing equipment, the polyurethane coating polyethylene winds insulating tube manufacturing equipment packet
Include the steel pipe derusting set gradually according to process flow and cleaning work region (I), polyurethane coating operating area (II), poly- second
Alkene winds operating area (III) and steel tube head processing operating area (IV)；In the steel pipe derusting and cleaning work region (I)
Outer wall of steel pipe impeller blasting line and steel pipe inner wall cleaning equipment (5) are set, and the outer wall of steel pipe impeller blasting line is equipped with steel pipe
Outer wall shot blasting machine (4)；Polyurethane coating line, the polyurethane coating are set in the polyurethane coating operating area (II)
Line includes steel pipe preheating equipment (6) and polyurethane spray automatic doubler surface glouer (7), and hydraulic blanking is arranged in polyurethane coating line tail portion and dials
It pitches (8)；Polyethylene winding operating area (III) is arranged polyethylene and winds line, and the polyethylene winding line includes polythene strip
Material squeezes out and Wiring apparatus (9), water spray are cooling equipment (10)；Steel pipe end is arranged in steel tube head processing operating area (IV)
Head cutting equipment (11)；The steel pipe impeller blasting line, polyurethane coating line, be respectively provided with can adjust automatically in polyethylene winding line
The worm drive steel pipe market line (1) of delivery wheel distance and delivery wheel angle；Make in cleaning work region (I), polyurethane coating
Workpiece conveyor track is set between industry region (II), polyethylene winding operating area (III) and steel tube head processing operating area (IV)
Road (2) configures at least two for transporting the hydraulic lifting trolley (3) of workpiece on workpiece delivery track (2)；
The hydraulic lifting trolley (3) is equipped with lifting seat (3-1), hydraulic cylinder (3-4), hoofing part mechanism (3-2) and traveling wheel
(3-3)；The lifting seat (3-1) is the V-type holder structure to match with excircle of workpiece face, is mounted on the flexible of hydraulic cylinder (3-4)
On arm；The hydraulic cylinder (3-4) is fixed on hydraulic lifting trolley (3) car body with vertical state；Hoofing part mechanism (the 3-
It 2) include motor, transmission component, initiative drive shaft and slave drive axis, the motor drives initiative drive shaft by transmission component
Operating, the initiative drive shaft and slave drive axis be mounted on hydraulic lifting trolley (3) car body, in initiative drive shaft and driven
Traveling wheel (3-3) is equipped on transmission shaft；The traveling wheel (3-3) rolling-operation on workpiece delivery track (2)；
The hydraulic lifting trolley (3) is additionally provided with lifting guide assembly, and the lifting guide assembly is arranged symmetrically in hydraulic cylinder two
Side, including mutually matched guide sleeve (3-5) and guide post (3-6), the guide sleeve (3-5) and lifting seat (3-1) fixing assembling, it is described
Guide post (3-6) is fixed on hydraulic lifting trolley (3) car body；
The steel pipe inner wall cleaning equipment (5) includes blowing device (5-1), steel pipe rotary support device (5-2) and sealing dust
Device (5-3)；The blowing device (5-1) is equipped with purging trolley (5-1-5), blower (5-1-4), air supply tube (5-1-1), send
Air hose supporting trolley (5-1-3), air supply tube support wheel (5-1-2) and blowing device moving track (5-1-7), the purging trolley
(5-1-5) and air supply tube supporting trolley (5-1-3) are arranged on blowing device moving track (5-1-7), in purging trolley (5-
Driving motor is set on 1-5), air supply tube supporting trolley (5-1-3) walking is slave state, by steel chain (5-1-6) with
Purge trolley (5-1-5) connection, the blower (5-1-4) is mounted on purging trolley (5-1-5), fan outlet and air supply tube into
Mouth end is tightly connected, the air supply tube support wheel (5-1- of assembly and the cooperation of steel pipe (12) inner wall in the outlet end of air supply tube (5-1-1)
2)；
The sealing dust collect plant (5-3) is by walking vehicle body (5-3-3), sealed cabin body (5-3-1), sealing dust collect plant moving rail
Road (5-3-5), Pulse blowback type deduster (5-3-2) and dust hopper (5-3-4) composition；The sealed cabin body (5-3-1), arteries and veins
It rushes back flushing type deduster (5-3-2) and dust hopper (5-3-4) is installed on walking vehicle body (5-3-3), in sealed cabin body (5-
3-1) front end is equipped with the sealing plate (5-3-6) cooperated with workpiece port, connects pulse back suction in the sealed cabin body rear end (5-3-1)
The dust-exhausting port of formula deduster (5-3-2), the pulse reversed bay-type deduster (5-3-2) is connect with dust hopper (5-3-4)；
The insulating tube production process comprises the technical steps that:
A, outer wall of steel pipe impeller blasting: the spiral that workpiece is transported to steel pipe impeller blasting line is passed using hydraulic lifting trolley (3)
On dynamic steel pipe market line, start blast cleaner for outer surface of steel pipe (4), steel pipe (12) is clear across outer wall of steel pipe ball blast with certain speed
The shot blast room of reason machine (4) completes outer wall of steel pipe derusting operation；
B, steel pipe inner wall purges: using hydraulic lifting trolley (3) that workpiece is defeated by the worm drive steel pipe of steel pipe impeller blasting line
Line sending is transported in the steel pipe rotary support device (5-2) of steel pipe inner wall cleaning equipment (5), row in sealing dust collect plant (5-3)
It walks car body (5-3-3) to draw close along sealing dust collect plant moving track (5-3-5) to workpiece, workpiece one end is made to enter sealed cabin body
(5-3-1) starts steel pipe rotary support device (5-2), and steel pipe (12) is rotated around own axes, and purging trolley (5-1-5) is being blown
It is run on wind apparatus moving track (5-1-7), after driving air supply tube (5-1-1) to enter workpiece, blower (5-1-4) starting passes through
The air outlet of air supply tube (5-1-1) purges steel pipe inner wall, while sealing pulse back blow dedusting in dust collect plant (5-3)
Device (5-3-2) work, corrosion dust remaining on steel pipe inner wall is sucked in dust hopper (5-3-4), is completed steel pipe inner wall and is blown
Sweep operation；
C, polyurethane coating: workpiece is supported by the steel pipe rotary of steel pipe inner wall cleaning equipment (5) using hydraulic lifting trolley (3)
Device (5-2) is transported to polyurethane coating operating area (II), is driven by the worm drive steel pipe market line of polyurethane coating line
Workpiece moves ahead, and heats through medium-frequency electrical heating device to workpiece, then equal in workpiece outer wall by polyurethane spray automatic doubler surface glouer (7)
Even spraying polyurethane foaming raw material completes polyurethane coating operation；
D, polyethylene is wound: using hydraulic blanking shift fork (8) by workpiece by the worm drive steel pipe market line of polyurethane coating line
On be transferred on hydraulic lifting trolley (3), then by hydraulic lifting trolley (3) by workpiece be transported to polyethylene winding operating area
(III), it is moved ahead by the worm drive steel pipe market line driving workpiece of polyethylene winding line, while polyethylene sheets squeeze out and winding
Equipment (9) work squeezes out the polyethylene sheets of certain thickness melting, and is wrapped in poly- ammonia according to the superposition of the technical parameter of control
Ester layer surface, after water spray cooling equipment (10) is cooling, outer protective polyethylene layer is tightly wrapped on the steel pipe of polyurethane foam,
Complete the production of outer protective polyethylene layer；
E, steel tube head is handled: workpiece is wound to the worm drive steel pipe market of line using hydraulic lifting trolley (3) by polyethylene
Line is transported to steel tube head processing operating area (IV), by steel tube head cutting equipment (11) according to being sized workpiece both ends
Then workpiece is transported to product storage area by hydraulic lifting trolley (3), completes polyurethane coating polyethylene by end excision
Wind insulating tube production process.
2. polyurethane coating polyethylene according to claim 1 winds insulating tube manufacturing process, it is characterised in that: in step
In b, after workpiece one end enters sealed cabin body (5-3-1), the edge of work is sealed by sealing plate (5-3-6), guarantees steel pipe
Remaining corrosion dust all sucks in dust hopper (5-3-4) on inner wall.
3. polyurethane coating polyethylene according to claim 2 winds insulating tube manufacturing process, it is characterised in that: in step
In c, steel pipe preheating equipment (6) uses medium-frequency electrical heating device in the polyurethane coating line, and is arranged for cooling down intermediate frequency
The intermediate frequency power supply of electric heater unit and the cooling tower of intermediate frequency coil；By medium-frequency electrical heating device by running steel pipe (12) outside
Surface is heated to 40~60 DEG C, removes steel tube surface moisture attachment, outer surface of steel tube temperature is made to be kept above dew-point temperature extremely
It is 3 DEG C or more few.
4. polyurethane coating polyethylene according to claim 3 winds insulating tube manufacturing process, it is characterised in that: in step
In c, polyurethane spray automatic doubler surface glouer (7) by urethane raw by umbrella shape, mist and it is uniformly mixed in the form of even application before spiral
In capable workpiece outer wall, guarantees that urethane raw is initiated within a certain period of time, reach the compression strength and thickness of setting.
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| CN201710244494.1A CN107097442B (en) | 2017-04-14 | 2017-04-14 | A kind of polyurethane coating polyethylene winding insulating tube manufacturing equipment and manufacturing process |
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| CN107097442B true CN107097442B (en) | 2019-08-09 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108943781A (en) * | 2018-10-11 | 2018-12-07 | 奥菲德（天津）管道科技有限公司 | Indoor skid-mounted type polyurethane coating polyethylene winds insulating tube production line |
| CN108943782A (en) * | 2018-10-11 | 2018-12-07 | 奥菲德（天津）管道科技有限公司 | Outdoor skid-mounted type polyurethane coating polyethylene winds insulating tube production line |
| CN109263095A (en) * | 2018-11-21 | 2019-01-25 | 天津市锦业科技有限公司 | Multifunctional polyurethane is continuously poured polytene heat-insulation pipe production line |
| CN109278236A (en) * | 2018-11-21 | 2019-01-29 | 天津市锦业科技有限公司 | A kind of improved track formula direct-buried thermal insulation pipe production line |
| CN109506064A (en) * | 2018-12-25 | 2019-03-22 | 哈尔滨朗格斯特节能科技有限公司 | Hard polyaminoester spraying winds prefabricated direct-buried heat insulation elbow with high density polyethylene (HDPE) |
| CN109501333A (en) * | 2018-12-25 | 2019-03-22 | 哈尔滨朗格斯特节能科技有限公司 | Automatic continuous spraying winding production system and production method containing intelligent alarm line |
| CN109648774B (en) * | 2019-01-28 | 2024-01-09 | 唐山兴邦管道工程设备有限公司 | Insulating tube firing equipment |
| CN109732957A (en) * | 2019-01-31 | 2019-05-10 | 宝鸡石油钢管有限责任公司 | The novel prefabricated direct-buried polyurethane coating insulating tube production line of one kind and production technology |
| CN109822956A (en) * | 2019-04-11 | 2019-05-31 | 德士达（天津）管道设备有限公司 | Polyurethane continous way rush-harvesting and rush-planting spray coating heat preservation pipe production line |
| CN112756239A (en) * | 2021-01-17 | 2021-05-07 | 天华化工机械及自动化研究设计院有限公司 | Polyurethane spraying forming process for inner wall of concrete pipeline |
| CN114889178B (en) * | 2022-05-24 | 2023-09-08 | 江苏奥瑞斯智能装备有限公司 | Environment-friendly low-loss spraying winding insulating pipe production line |
| CN115635624B (en) * | 2022-12-26 | 2023-03-03 | 天津天地龙管业股份有限公司 | Processing equipment and production process for polyurethane spraying polyethylene winding thermal insulation pipe |
| CN116872480B (en) * | 2023-09-06 | 2023-12-15 | 奥菲德（天津）管道科技有限公司 | Production line and process for continuously spraying polyethylene winding heat-insulating pipe through reducing polyurethane |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203823352U (en) * | 2013-11-19 | 2014-09-10 | 青岛大仓管道防腐保温器材有限公司 | Winding type one-step corrosion-proof heat preservation line for steel pipelines |
| CN204420357U (en) * | 2015-01-20 | 2015-06-24 | 德士达（天津）管道设备有限公司 | Fast point of rollaway type spraying is wound around direct-buried heat insulation pipe production line |
| CN204431756U (en) * | 2015-01-20 | 2015-07-01 | 德士达（天津）管道设备有限公司 | Overhead type polyurethane continuous spray direct-buried heat insulation pipe production line |
| CN206653676U (en) * | 2017-04-14 | 2017-11-21 | 唐山兴邦管道工程设备有限公司 | A kind of polyurethane coating polyethylene winds insulating tube manufacturing equipment |
-
2017
- 2017-04-14 CN CN201710244494.1A patent/CN107097442B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203823352U (en) * | 2013-11-19 | 2014-09-10 | 青岛大仓管道防腐保温器材有限公司 | Winding type one-step corrosion-proof heat preservation line for steel pipelines |
| CN204420357U (en) * | 2015-01-20 | 2015-06-24 | 德士达（天津）管道设备有限公司 | Fast point of rollaway type spraying is wound around direct-buried heat insulation pipe production line |
| CN204431756U (en) * | 2015-01-20 | 2015-07-01 | 德士达（天津）管道设备有限公司 | Overhead type polyurethane continuous spray direct-buried heat insulation pipe production line |
| CN206653676U (en) * | 2017-04-14 | 2017-11-21 | 唐山兴邦管道工程设备有限公司 | A kind of polyurethane coating polyethylene winds insulating tube manufacturing equipment |
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Denomination of invention: Polyurethane spraying polyethylene winding insulation pipe manufacturing equipment and manufacturing process Effective date of registration: 20210818 Granted publication date: 20190809 Pledgee: China Construction Bank Corporation Yutian sub branch Pledgor: TANGSHAN XINGBANG PIPE CONSTRUCTION EQUIPMENT Co.,Ltd. Registration number: Y2021990000735 |
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Denomination of invention: A kind of polyurethane sprayed polyethylene winding insulation pipe manufacturing equipment and manufacturing process Effective date of registration: 20220825 Granted publication date: 20190809 Pledgee: China Construction Bank Corporation Yutian sub branch Pledgor: TANGSHAN XINGBANG PIPE CONSTRUCTION EQUIPMENT Co.,Ltd. Registration number: Y2022990000567 |
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Date of cancellation: 20230901 Granted publication date: 20190809 Pledgee: China Construction Bank Corporation Yutian sub branch Pledgor: TANGSHAN XINGBANG PIPE CONSTRUCTION EQUIPMENT Co.,Ltd. Registration number: Y2022990000567 |