CN106808720B - A kind of processing technology of steel-belt-pipe - Google Patents
A kind of processing technology of steel-belt-pipe Download PDFInfo
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- CN106808720B CN106808720B CN201710080154.XA CN201710080154A CN106808720B CN 106808720 B CN106808720 B CN 106808720B CN 201710080154 A CN201710080154 A CN 201710080154A CN 106808720 B CN106808720 B CN 106808720B
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- steel band
- steel
- resin
- outer layer
- temperature
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of processing technologys of steel-belt-pipe, include the following steps: Step1: carrying out degreasing cleaning to steel band and dry up steel strip surface；Step2: the pre-heat treatment is carried out to steel band；Step3: the adhering resin of melting is uniformly coated to the steel strip surface to after preheating；Step4: air-cooled and water cooling is successively carried out to steel band, reduces temperature of steel strips；Step5: pre- stress-removal is carried out to the steel band after coating adhering resin and forms bending process, steel band is made to bend to Ω shape；Step6: by steel strip winding between internal layer matrix resin and outer layer matrix resin, make inner layer substrate resin, steel band and outer layer matrix resin be bonded it is compound；Step7: cooling and shaping counts long cutting, tests product storage；The material of the adhering resin, inner layer substrate resin and outer layer matrix resin is FRPP.Beneficial effects of the present invention: the ring stiffness using the steel-belt-pipe of processing technology production has excellent ring stiffness.
Description
Technical field
The present invention relates to steel-belt-pipe, in particular to a kind of processing technology of steel-belt-pipe.
Background technique
In municipal drainage, drainage project, since tubing needs to carry out buried processing, the ring stiffness of tubing is proposed higher
Requirement.It is more that raw material is consumed when the buried structural walls pipeline, the especially production of large diameter pipeline of common polyethylene, and equipment is wanted
Ask high, and ring stiffness is generally low, and the requirements such as municipal main pipeline project cost, buried depth can not be fully met.To understand
, there is steel band reinforced polyethylene spiral ripple pipe in the prior art in certainly this problem.
The Chinese patent of Publication No. CN105751543A discloses a kind of life of steel band reinforced polyethylene spiral ripple pipe
Production. art.The production technology by production process is rationally controlled and parameter carry out reasonable set so that the pipe produced
Material bonding is firm, does not generate lamination problem.
Based on this, the present inventor wishes to provide a kind of processing technology of steel-belt-pipe by basis material of FRPP, with further
Promote the ring stiffness of steel-belt-pipe.
Summary of the invention
The object of the present invention is to provide a kind of processing technologys of steel-belt-pipe.Utilize the ring of the steel-belt-pipe of processing technology production
Rigidity has excellent ring stiffness.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of processing technology of steel-belt-pipe, includes the following steps:
Step1: degreasing cleaning is carried out to steel band and dries up steel strip surface；
Step2: the pre-heat treatment is carried out to steel band；
Step3: the adhering resin of melting is uniformly coated to the steel strip surface to after preheating；
Step4: air-cooled and water cooling is successively carried out to steel band, reduces temperature of steel strips；
Step5: pre- stress-removal is carried out to the steel band after coating adhering resin and forms bending process, steel band is made to bend to Ω
Shape；
Step6: by steel strip winding between internal layer matrix resin and outer layer matrix resin, make inner layer substrate resin, steel band
Be bonded with outer layer matrix resin compound；
Step7: cooling and shaping counts long cutting, tests product storage；
The material of the adhering resin, inner layer substrate resin and outer layer matrix resin is FRPP.
By using above-mentioned technical proposal, degreasing cleaning is carried out to steel, removes the grease and iron rust of steel surface, is enhanced
With the bonding strength of adhering resin.And when coating adhering resin to steel strip surface, steel band is preheated, can be enhanced
The bonding strength of steel band and the adhering resin of molten condition.Therewith, air-cooled and water cooling is successively carried out to steel band, makes steel band and bonding
Resin is solidified, and is avoided in following process, adhering resin deformation.FRPP is the polypropylene modified by fiberglass reinforced.Cause
This, the elasticity modulus of FRPP is high, has higher ring stiffness.And adhering resin, inner base resin and outer layer matrix resin
Material is all the same, therefore first coats adhering resin in steel strip surface, then pass through adhering resin and inner layer substrate resin and outer layer base
The bonding strength of teel band and inner layer substrate resin and outer layer matrix resin is capable of in the connection of body resin.And inner layer substrate tree
Rouge and outer layer matrix resin are wrapped in steel band pipe surface, are capable of the antiseptic property of teel band pipe.Therefore, the steel band prepared
Pipe has excellent ring stiffness.
The present invention is further arranged to: in Step1, first being handled with degreasing agent steel band, then is carried out with water to steel band
Cleaning, the degreasing agent includes the component of following parts by weight:
By using above-mentioned technical proposal, degreasing agent has good removal ability to grease, the iron rust of steel strip surface.When
After degreasing agent is completed to the processing of steel band, the degreasing agent remained on steel band is cleaned with water, degreasing agent is avoided to remain in
On steel band, following process is influenced.Ammonium citrate-hydroxyacetic acid be citric acid press and hydroxyacetic acid according to molar ratio 1: 1 compound and
At, have to the good sequestering power of metal ion, so as to enhance the removal ability to the iron rust of steel strip surface.Sorbester p17
As surfactant, grease emulsifying can be made to disperse, so that grease be made to be detached from metal surface.Isooctanol polyethoxylate can
Enhancing degreasing agent is deep into grease and iron rust, the effect of enhancing and grease and iron rust.Triethanolamine and sodium metasilicate are as alkalinity
Substance provides alkaline environment, is conducive to the removal of grease.Corrosion inhibiter is able to extend steel band and gets rusty again after being handled with degreasing agent
Time.
The present invention is further arranged to: the degreasing agent further includes 0.1-0.5 parts of sodium cellulose glycolate.
By using above-mentioned technical proposal, sodium cellulose glycolate can increase the consistency of degreasing agent, enhance degreasing agent and steel
The effect of belt surface.
The present invention is further arranged to: the corrosion inhibiter selects one of benzotriazole, sodium benzoate.
By using above-mentioned technical proposal, benzotriazole and sodium benzoate have good corrosion inhibiting ability to steel band.
The present invention is further arranged to: before degreasing agent is contacted with steel band, being preheated to degreasing agent, the preheating of degreasing agent
Temperature is 90-100 DEG C.
By using above-mentioned technical proposal, degreasing agent is heated, in higher when contacting degreasing agent with steel band
Temperature, the grease for being conducive to steel strip surface dissolve in degreasing agent.
The present invention is further arranged to: in Step2, first being heated using high frequency heating machine to steel band, then steel band is set
In baking oven, keeping the temperature of steel band is 200 DEG C.
By using above-mentioned technical proposal, high frequency heating machine heating speed is very fast, and the heating speed of baking oven is slower, first uses
High frequency heating machine heats steel band, can shorten heating time, then the temperature of steel band is maintained with baking oven, so as to add
Fast production efficiency.
The present invention is further arranged to: in Step3, the adhering resin of the melting squeezes out to obtain by extruder, squeezes out
The adhering resin temperature for the melting that machine squeezes out is 170-200 DEG C.
By using above-mentioned technical proposal, adhering resin can enhance the adhesive attraction with steel-belt-pipe after melting.
The present invention is further arranged to: in Step4, for steel band after air-cooled, temperature is down to 120-130 DEG C.
By using above-mentioned technical proposal, steel band is cooled down using air, steel band is made to be able to carry out preliminary cooling.If
Water cooling is directly carried out without air-cooled, then temperature of steel strips cooling is too fast, and cause the stress inside steel band not discharge in time, from
And it is easy to cause the reduction of steel band structural strength.
The present invention is further arranged to: in Step4, for steel band after water cooling, temperature is down to 20-30 DEG C.
By using above-mentioned technical proposal, steel band is cooled down using water, and the cooling effect of water is better than air, thus
It can accelerate cooling rate.
The present invention is further arranged to: in Step6, when being wound, steel band is heated to 200 DEG C, inner layer substrate resin
Pass through extruder with outer layer matrix resin to squeeze out to obtain, the inner layer substrate resin and outer layer matrix resin that extruder squeezes out
Temperature is 170-200 DEG C.
By using above-mentioned technical proposal, steel band is wrapped after inner layer substrate resin and outer layer matrix resin melting extrusion
It wraps up in, steel band is heated, the bonding strength of adhering resin Yu inner layer substrate resin and outer layer matrix resin can be enhanced.
In conclusion the invention has the following advantages:
1, benzotriazole, triethanolamine and sodium metasilicate three can mutually compound, and enhance the slow release effect to steel band；
2, the present invention is optimized by the processing technology to steel-belt-pipe, while being optimized to the proportion of degreasing agent, is made
Process ring stiffness and the corrosion resistance enhancing of obtained steel-belt-pipe.
Specific embodiment
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Following ammonium citrate-hydroxyacetic acid is that citric acid is pressed and hydroxyacetic acid is compounded according to molar ratio 1: 1.
Embodiment 1
A kind of processing technology of steel-belt-pipe, includes the following steps:
Step1: being preheated to 90 DEG C for degreasing agent, then handled with degreasing agent steel band, then is carried out with water to steel band
Cleaning is completed the degreasing to steel band and is cleaned, then dries up steel strip surface；
Step2: first heating steel band using high frequency heating machine, then steel band be placed in baking oven, and the temperature of steel band is kept
Degree is 200 DEG C, realizes the pre-heat treatment of steel band；
Step3: the adhering resin for the melting that the temperature that extruder is squeezed out is 170 DEG C is uniformly coated to after preheating
Steel strip surface；
Step4: first carrying out steel band air-cooled, so that temperature of steel strips is down to 125 DEG C, then carry out water cooling to steel band, makes steel band temperature
Degree is down to 22 DEG C, realizes the reduction of temperature of steel strips；
Step5: pre- stress-removal is carried out to the steel band after coating adhering resin and forms bending process, steel band is made to bend to Ω
Shape；
Step6: being heated to 200 DEG C for steel band, 170 DEG C of the inner layer substrate tree that steel strip winding is squeezed out in extruder
Between rouge and outer layer matrix resin, make inner layer substrate resin, steel band and outer layer matrix resin be bonded it is compound；
Step7: cooling and shaping counts long cutting, tests product storage.
Wherein, degreasing agent includes the component of following parts by weight:
According to parts by weight, weighs be uniformly mixed after each component and obtain degreasing agent.
The material of the adhering resin, inner layer substrate resin and outer layer matrix resin is FRPP.
Embodiment 2
A kind of processing technology of steel-belt-pipe, includes the following steps:
Step1: being preheated to 110 DEG C for degreasing agent, then handled with degreasing agent steel band, then is carried out with water to steel band
Cleaning is completed the degreasing to steel band and is cleaned, then dries up steel strip surface；
Step2: first heating steel band using high frequency heating machine, then steel band be placed in baking oven, and the temperature of steel band is kept
Degree is 200 DEG C, realizes the pre-heat treatment of steel band；
Step3: the adhering resin for the melting that the temperature that extruder is squeezed out is 185 DEG C is uniformly coated to after preheating
Steel strip surface；
Step4: first carrying out steel band air-cooled, so that temperature of steel strips is down to 120 DEG C, then carry out water cooling to steel band, makes steel band temperature
Degree is down to 25 DEG C, realizes the reduction of temperature of steel strips；
Step5: pre- stress-removal is carried out to the steel band after coating adhering resin and forms bending process, steel band is made to bend to Ω
Shape；
Step6: being heated to 200 DEG C for steel band, 200 DEG C of the inner layer substrate tree that steel strip winding is squeezed out in extruder
Between rouge and outer layer matrix resin, make inner layer substrate resin, steel band and outer layer matrix resin be bonded it is compound；
Step7: cooling and shaping counts long cutting, tests product storage.
Wherein, degreasing agent includes the component of following parts by weight:
According to parts by weight, weighs be uniformly mixed after each component and obtain degreasing agent.
The material of the adhering resin, inner layer substrate resin and outer layer matrix resin is FRPP.
Embodiment 3
A kind of processing technology of steel-belt-pipe, includes the following steps:
Step1: being preheated to 100 DEG C for degreasing agent, then handled with degreasing agent steel band, then is carried out with water to steel band
Cleaning is completed the degreasing to steel band and is cleaned, then dries up steel strip surface；
Step2: first heating steel band using high frequency heating machine, then steel band be placed in baking oven, and the temperature of steel band is kept
Degree is 200 DEG C, realizes the pre-heat treatment of steel band；
Step3: the adhering resin for the melting that the temperature that extruder is squeezed out is 200 DEG C is uniformly coated to after preheating
Steel strip surface；
Step4: first carrying out steel band air-cooled, so that temperature of steel strips is down to 130 DEG C, then carry out water cooling to steel band, makes steel band temperature
Degree is down to 28 DEG C, realizes the reduction of temperature of steel strips；
Step5: pre- stress-removal is carried out to the steel band after coating adhering resin and forms bending process, steel band is made to bend to Ω
Shape；
Step6: being heated to 200 DEG C for steel band, 190 DEG C of the inner layer substrate tree that steel strip winding is squeezed out in extruder
Between rouge and outer layer matrix resin, make inner layer substrate resin, steel band and outer layer matrix resin be bonded it is compound；
Step7: cooling and shaping counts long cutting, tests product storage.
Wherein, degreasing agent includes the component of following parts by weight:
According to parts by weight, weighs be uniformly mixed after each component and obtain degreasing agent.
The material of the adhering resin, inner layer substrate resin and outer layer matrix resin is FRPP.
Embodiment 4
A kind of processing technology of steel-belt-pipe, includes the following steps:
Step1: being preheated to 95 DEG C for degreasing agent, then handled with degreasing agent steel band, then is carried out with water to steel band
Cleaning is completed the degreasing to steel band and is cleaned, then dries up steel strip surface；
Step2: first heating steel band using high frequency heating machine, then steel band be placed in baking oven, and the temperature of steel band is kept
Degree is 200 DEG C, realizes the pre-heat treatment of steel band；
Step3: the adhering resin for the melting that the temperature that extruder is squeezed out is 190 DEG C is uniformly coated to after preheating
Steel strip surface；
Step4: first carrying out steel band air-cooled, so that temperature of steel strips is down to 123 DEG C, then carry out water cooling to steel band, makes steel band temperature
Degree is down to 20 DEG C, realizes the reduction of temperature of steel strips；
Step5: pre- stress-removal is carried out to the steel band after coating adhering resin and forms bending process, steel band is made to bend to Ω
Shape；
Step6: being heated to 200 DEG C for steel band, 180 DEG C of the inner layer substrate tree that steel strip winding is squeezed out in extruder
Between rouge and outer layer matrix resin, make inner layer substrate resin, steel band and outer layer matrix resin be bonded it is compound；
Step7: cooling and shaping counts long cutting, tests product storage.
Wherein, degreasing agent includes the component of following parts by weight:
According to parts by weight, weighs be uniformly mixed after each component and obtain degreasing agent.
The material of the adhering resin, inner layer substrate resin and outer layer matrix resin is FRPP.
Embodiment 5
A kind of processing technology of steel-belt-pipe, includes the following steps:
Step1: being preheated to 105 DEG C for degreasing agent, then handled with degreasing agent steel band, then is carried out with water to steel band
Cleaning is completed the degreasing to steel band and is cleaned, then dries up steel strip surface；
Step2: first heating steel band using high frequency heating machine, then steel band be placed in baking oven, and the temperature of steel band is kept
Degree is 200 DEG C, realizes the pre-heat treatment of steel band；
Step3: the adhering resin for the melting that the temperature that extruder is squeezed out is 180 DEG C is uniformly coated to after preheating
Steel strip surface；Step4: first carrying out steel band air-cooled, so that temperature of steel strips is down to 128 DEG C, then carry out water cooling to steel band, makes steel band temperature
Degree is down to 30 DEG C, realizes the reduction of temperature of steel strips；
Step5: pre- stress-removal is carried out to the steel band after coating adhering resin and forms bending process, steel band is made to bend to Ω
Shape；
Step6: being heated to 200 DEG C for steel band, 185 DEG C of the inner layer substrate tree that steel strip winding is squeezed out in extruder
Between rouge and outer layer matrix resin, make inner layer substrate resin, steel band and outer layer matrix resin be bonded it is compound；
Step7: cooling and shaping counts long cutting, tests product storage.
Wherein, degreasing agent includes the component of following parts by weight:
According to parts by weight, weighs be uniformly mixed after each component and obtain degreasing agent.
The material of the adhering resin, inner layer substrate resin and outer layer matrix resin is FRPP.
Comparative example 1
Select the embodiment as a comparison case 1 of the Chinese patent of Publication No. CN105751543A.
Ring stiffness test
Embodiment 1-5 and comparative example 1 are tested and recorded referring to CJ/T225-2015.
The ring stiffness record sheet of table 1 embodiment 1-5 and comparative example 1
As known from Table 1, compared to comparative example 1, the present invention has good ring stiffness.
Corrosion resistance test
Step1: being 800mm according to DN/ID, and minimum average B configuration internal diameter dim.min is that 750mm is taken respectively according to embodiment 1-5
The steel-belt-pipe made with comparative example 1；
Step2: each steel-belt-pipe is placed in following water sample and is tested.
2 water sample salinity of table
The temperature of test, time
Temperature: 110 DEG C；
Time: 240h；
Test pressure 20MPa, CO2(carbon dioxide) divides 2.0MPa；
Flow velocity: 1.0m/s；
Antiseptic property is characterized using weight-loss method；
Wherein, weight rate is calculated according to the following formula:
Weight rate=(initial weight-end weight)/initial weight * 100%.
The weight rate record sheet of table 3 embodiment 1-5 and comparative example 1
As known from Table 3, antiseptic property of the invention is better than comparative example 1.
Claims (3)
1. a kind of processing technology of steel-belt-pipe, it is characterized in that: including the following steps:
Step1: degreasing cleaning is carried out to steel band and dries up steel strip surface；
Step2: the pre-heat treatment is carried out to steel band, first steel band is heated using high frequency heating machine, then steel band is placed in baking oven
In, keeping the temperature of steel band is 200 DEG C；
Step3: the adhering resin of melting is uniformly coated to the steel strip surface to after preheating, the adhering resin of the melting is by squeezing
Machine squeezes out to obtain out, and the adhering resin temperature for the melting that extruder squeezes out is 170-200 DEG C；
Step4: air-cooled and water cooling is successively carried out to steel band, reduces temperature of steel strips, for steel band after air-cooled, temperature is down to 120-
130 DEG C, for steel band after water cooling, temperature is down to 20-30 DEG C；
Step5: pre- stress-removal is carried out to the steel band after coating adhering resin and forms bending process, steel band is made to bend to Ω shape；
Step6: by steel strip winding between internal layer matrix resin and outer layer matrix resin, make inner layer substrate resin, steel band and outer
Layer matrix resin be bonded compound, and when being wound, steel band is heated to 200 DEG C, inner layer substrate resin and outer layer matrix tree
Rouge passes through extruder and squeezes out to obtain, and the inner layer substrate resin and outer layer matrix resin temperature that extruder squeezes out are 170-
200℃；
Step7: cooling and shaping counts long cutting, tests product storage；
The material of the adhering resin, inner layer substrate resin and outer layer matrix resin is FRPP；
In Step1, first steel band is handled with degreasing agent, then steel band is cleaned with water, the degreasing agent includes as follows
The component of parts by weight:
Ammonium citrate -3-5 parts of hydroxyacetic acid
1-3 parts of sorbester p17
1-3 parts of isooctanol polyethoxylate
1-3 parts of anhydrous sodium sulphate
8-10 parts of triethanolamine
12-15 parts of sodium metasilicate
0.1-0.3 parts of corrosion inhibiter
70-75 parts of water；
The corrosion inhibiter selects one of benzotriazole, sodium benzoate.
2. the processing technology of steel-belt-pipe according to claim 1, it is characterized in that: the degreasing agent further includes hydroxylmethyl cellulose
Plain sodium 0.1-0.5 parts.
3. the processing technology of steel-belt-pipe according to claim 1, it is characterized in that: before degreasing agent is contacted with steel band, to de-
Rouge agent is preheated, and the preheating temperature of degreasing agent is 90-100 DEG C.
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| CN201710080154.XA CN106808720B (en) | 2017-02-15 | 2017-02-15 | A kind of processing technology of steel-belt-pipe |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107419283B (en) * | 2017-08-14 | 2019-01-01 | 上海倍宁汽车零部件有限公司 | A kind of utral degreaser and its preparation method and application |
| CN112549490A (en) * | 2020-10-23 | 2021-03-26 | 湖北屯仓管业科技发展有限公司 | Pretreatment method and pretreatment system for steel strip for corrugated pipe |
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| CN102585581A (en) * | 2011-12-29 | 2012-07-18 | 广东省南方彩色制版有限公司 | Ultrasonic water-based cleaning agent for printing plate roller and preparation method for cleaning agent |
| CN103305853A (en) * | 2012-03-09 | 2013-09-18 | 中国石油化工股份有限公司 | Cleaning agent for automobile cooling system |
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| CN106808720A (en) | 2017-06-09 |
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Denomination of invention: A Processing Technology of Steel Strip Pipe Effective date of registration: 20221229 Granted publication date: 20190625 Pledgee: Daoxu Sub-branch of Zhejiang Shangyu Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG RUAN'S PLASTIC INDUSTRY Co.,Ltd. Registration number: Y2022330003723 |