CN106808720A - 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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- CN106808720A CN106808720A CN201710080154.XA CN201710080154A CN106808720A CN 106808720 A CN106808720 A CN 106808720A CN 201710080154 A CN201710080154 A CN 201710080154A CN 106808720 A CN106808720 A CN 106808720A
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- steel
- steel band
- resin
- belt
- processing technology
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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 technology of steel-belt-pipe, comprise the following steps：Step1：Degreasing cleaning is carried out to steel band and steel strip surface is dried up；Step2：The pre-heat treatment is carried out to steel band；Step3：The adhering resin that will be melted uniformly coats the steel strip surface to after preheating；Step4：Carry out air-cooled and water-cooled successively to steel band, reduce temperature of steel strips；Step5：Pre- stress-removal shaping bending process is carried out to the steel band after coating adhering resin, steel band is bent to Ω shapes；Step6：By steel strip winding between inner layer substrate resin and outer layer matrix resin, inner layer substrate resin, steel band and outer layer matrix resin is set to carry out bonding compound；Step7：Cooling and shaping, meter cutting long, 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 of the steel-belt-pipe produced using the processing technology has excellent ring stiffness.
Description
Technical field
The present invention relates to steel-belt-pipe, more particularly to a kind of processing technology of steel-belt-pipe.
Background technology
In municipal drainage, drainage project, because tubing needs to carry out buried treatment, the ring stiffness proposition to tubing is higher
Requirement.Raw material is consumed during the buried structural walls pipeline, the particularly production of large diameter pipeline of common polyethylene many, will to equipment
Ask high, and ring stiffness is generally low, can not be fully met for requirements such as municipal main pipeline construction costs, buried depths.To understand
Certainly, there is steel band reinforced polyethylene spiral ripple pipe in the prior art in 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 carries out reasonable set by the reasonable control of production process and parameter so that the pipe produced
Material bonding is firm, does not produce lamination problem.
Based on this, the present inventor wishes to provide a kind of processing technology of steel-belt-pipe by matrix material of FRPP, with further
Lift the ring stiffness of steel-belt-pipe.
The content of the invention
It is an object of the invention to provide a kind of processing technology of steel-belt-pipe.The ring of the steel-belt-pipe produced using the processing technology
Rigidity has excellent ring stiffness.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of processing technology of steel-belt-pipe, comprises the following steps：
Step1：Degreasing cleaning is carried out to steel band and steel strip surface is dried up；
Step2：The pre-heat treatment is carried out to steel band；
Step3：The adhering resin that will be melted uniformly coats the steel strip surface to after preheating；
Step4：Carry out air-cooled and water-cooled successively to steel band, reduce temperature of steel strips；
Step5：Pre- stress-removal shaping bending process is carried out to the steel band after coating adhering resin, steel band is bent to Ω shapes；
Step6：By steel strip winding between inner layer substrate resin and outer layer matrix resin, make inner layer substrate resin, steel band and outer
It is compound that layer matrix resin carries out bonding；
Step7：Cooling and shaping, meter cutting long, 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, remove the grease and iron rust of steel surface, enhancing
With the bonding strength of adhering resin.And when adhering resin is coated to steel strip surface, steel band is preheated, can strengthen
The bonding strength of the adhering resin of steel band and molten condition.Therewith, air-cooled and water-cooled is carried out successively to steel band, makes steel band and bonding
Resin is solidified, it is to avoid in following process, adhering resin deformation.FRPP is the polypropylene being modified by fiberglass reinforced.Cause
This, the elastic modelling quantity of FRPP is high, with ring stiffness higher.And adhering resin, inner base resin and outer layer matrix resin
Material all same, therefore first in steel strip surface coating adhering resin, then by adhering resin and inner layer substrate resin and outer layer base
The connection of body resin, being capable of teel band and inner layer substrate resin and the bonding strength of outer layer matrix resin.And inner layer substrate tree
Fat 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 for preparing
Pipe has excellent ring stiffness.
The present invention is further arranged to：In Step1, steel band is processed with degreasing agent first, then steel band is carried out with water
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 the grease of steel strip surface, iron rust.When
After degreasing agent is completed to the treatment of steel band, the degreasing agent remained on steel band is cleaned with water, it is to avoid degreasing agent is remained in
On steel band, following process is influenceed.Ammonium citrate-hydroxyacetic acid is pressed with hydroxyacetic acid according to the compounding of mol ratio 1: 1 for citric acid
Into with the sequestering power good to metal ion such that it is able to removal ability of the enhancing to the iron rust of steel strip surface.Sorbester p17
As surfactant, can disperse grease emulsifying, so that grease departs from metal surface.Isooctanol polyethoxylate can
Enhancing degreasing agent is deep into grease and iron rust, strengthens the effect with grease and iron rust.Triethanolamine and sodium metasilicate are used as alkalescence
Material, there is provided alkaline environment, is conducive to the removal of grease.Corrosion inhibiter can extend steel band and be got rusty again after being processed with degreasing agent
Time.
The present invention is further arranged to：The degreasing agent also includes sodium cellulose glycolate 0.1-0.5 parts.
By using above-mentioned technical proposal, sodium cellulose glycolate can increase the denseness of degreasing agent, strengthen degreasing agent and steel
The effect of belt surface.
The present invention is further arranged to：The corrosion inhibiter is from the one kind in BTA, Sodium Benzoate.
By using above-mentioned technical proposal, BTA 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, degreasing agent is preheated, the preheating of degreasing agent
Temperature is 90-100 DEG C.
By using above-mentioned technical proposal, degreasing agent is heated, in higher when making degreasing agent be contacted with steel band
Temperature, in being conducive to the grease of steel strip surface to dissolve in degreasing agent.
The present invention is further arranged to：In Step2, steel band is heated using high frequency heating machine first, then steel band is put
In baking oven, the temperature for keeping steel band is 200 DEG C.
By using above-mentioned technical proposal, high frequency heating machine firing rate is very fast, and the firing rate of baking oven is slower, first uses
High frequency heating machine is heated to steel band, can shorten the heat time, then the temperature of steel band is maintained with baking oven such that it is able to plus
Fast production efficiency.
The present invention is further arranged to：In Step3, the adhering resin of the melting is obtained by extruder extrusion, is extruded
The adhering resin temperature of the melting that machine extrusion is obtained is 170-200 DEG C.
By using above-mentioned technical proposal, adhering resin is by that can strengthen the adhesive attraction with steel-belt-pipe after melting.
The present invention is further arranged to：In Step4, after air-cooled, temperature is down to 120-130 DEG C to steel band.
By using above-mentioned technical proposal, steel band is cooled down using air, steel band is tentatively cooled down.If
Do not carry out air-cooled and directly carry out water-cooled, then temperature of steel strips cooling is too fast, causes the stress inside steel band to discharge in time, from
And it is easily caused the reduction of steel band structural strength.
The present invention is further arranged to：In Step4, steel band is by after water-cooled, 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, so that
Cooldown rate can be accelerated.
The present invention is further arranged to：In Step6, when being wound, steel band is heated to 200 DEG C, inner layer substrate resin
Obtained by extruder extrusion with outer layer matrix resin, inner layer substrate resin and outer layer matrix resin that extruder extrusion is obtained
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
Wrap up in, steel band is heated, adhering resin can be strengthened with inner layer substrate resin and the bonding strength of outer layer matrix resin.
In sum, the invention has the advantages that：
1st, BTA, triethanolamine and sodium metasilicate three can mutually compound, slow release effect of the enhancing to steel band；
2nd, the present invention is optimized by the processing technology to steel-belt-pipe, while being optimized to the proportioning of degreasing agent, makes processing
Ring stiffness and the decay resistance enhancing of the steel-belt-pipe for obtaining.
Specific embodiment
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected by Patent Law in the right of invention.
Following ammonium citrate-hydroxyacetic acid is that citric acid is formed by with hydroxyacetic acid according to the compounding of mol ratio 1: 1.
Embodiment 1
A kind of processing technology of steel-belt-pipe, comprises the following steps：
Step1：Degreasing agent is preheated to 90 DEG C, steel band is processed with degreasing agent then, then steel band is cleaned with water,
The degreasing cleaning to steel band is completed, then steel strip surface is dried up；
Step2：Steel band is heated using high frequency heating machine first, then steel band is placed in baking oven, the temperature for keeping steel band is
200 DEG C, realize the pre-heat treatment of steel band；
Step3：The adhering resin of the melting that the temperature that extruder extrusion is obtained is 170 DEG C is uniformly coated the steel band to after preheating
Surface；
Step4：It is cold to the advanced sector-style of steel band, temperature of steel strips is down to 125 DEG C, then water-cooled is carried out to steel band, temperature of steel strips drops
To 22 DEG C, the reduction of temperature of steel strips is realized；
Step5：Pre- stress-removal shaping bending process is carried out to the steel band after coating adhering resin, steel band is bent to Ω shapes；
Step6：Steel band is heated to 200 DEG C, by steel strip winding in the inner layer substrate resin of extruder extrusion obtain 170 DEG C and
Between outer layer matrix resin, inner layer substrate resin, steel band and outer layer matrix resin is set to carry out bonding compound；
Step7：Cooling and shaping, meter cutting long, tests product storage.
Wherein, degreasing agent includes the component of following parts by weight：
According to weight portion, well mixed i.e. prepared degreasing agent is carried out after weighing each component.
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, comprises the following steps：
Step1：Degreasing agent is preheated to 110 DEG C, steel band is processed with degreasing agent then, then steel band is carried out clearly with water
Wash, complete the degreasing cleaning to steel band, then dry up steel strip surface；
Step2：Steel band is heated using high frequency heating machine first, then steel band is placed in baking oven, the temperature for keeping steel band is
200 DEG C, realize the pre-heat treatment of steel band；
Step3：The adhering resin of the melting that the temperature that extruder extrusion is obtained is 185 DEG C is uniformly coated the steel band to after preheating
Surface；
Step4：It is cold to the advanced sector-style of steel band, temperature of steel strips is down to 120 DEG C, then water-cooled is carried out to steel band, temperature of steel strips drops
To 25 DEG C, the reduction of temperature of steel strips is realized；
Step5：Pre- stress-removal shaping bending process is carried out to the steel band after coating adhering resin, steel band is bent to Ω shapes；
Step6：Steel band is heated to 200 DEG C, by steel strip winding in the inner layer substrate resin of extruder extrusion obtain 200 DEG C and
Between outer layer matrix resin, inner layer substrate resin, steel band and outer layer matrix resin is set to carry out bonding compound；
Step7：Cooling and shaping, meter cutting long, tests product storage.
Wherein, degreasing agent includes the component of following parts by weight：
According to weight portion, well mixed i.e. prepared degreasing agent is carried out after weighing each component.
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, comprises the following steps：
Step1：Degreasing agent is preheated to 100 DEG C, steel band is processed with degreasing agent then, then steel band is carried out clearly with water
Wash, complete the degreasing cleaning to steel band, then dry up steel strip surface；
Step2：Steel band is heated using high frequency heating machine first, then steel band is placed in baking oven, the temperature for keeping steel band is
200 DEG C, realize the pre-heat treatment of steel band；
Step3：The adhering resin of the melting that the temperature that extruder extrusion is obtained is 200 DEG C is uniformly coated the steel band to after preheating
Surface；
Step4：It is cold to the advanced sector-style of steel band, temperature of steel strips is down to 130 DEG C, then water-cooled is carried out to steel band, temperature of steel strips drops
To 28 DEG C, the reduction of temperature of steel strips is realized；
Step5：Pre- stress-removal shaping bending process is carried out to the steel band after coating adhering resin, steel band is bent to Ω shapes；
Step6：Steel band is heated to 200 DEG C, by steel strip winding in the inner layer substrate resin of extruder extrusion obtain 190 DEG C and
Between outer layer matrix resin, inner layer substrate resin, steel band and outer layer matrix resin is set to carry out bonding compound；
Step7：Cooling and shaping, meter cutting long, tests product storage.
Wherein, degreasing agent includes the component of following parts by weight：
According to weight portion, well mixed i.e. prepared degreasing agent is carried out after weighing each component.
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, comprises the following steps：
Step1：Degreasing agent is preheated to 95 DEG C, steel band is processed with degreasing agent then, then steel band is cleaned with water,
The degreasing cleaning to steel band is completed, then steel strip surface is dried up；
Step2：Steel band is heated using high frequency heating machine first, then steel band is placed in baking oven, the temperature for keeping steel band is
200 DEG C, realize the pre-heat treatment of steel band；
Step3：The adhering resin of the melting that the temperature that extruder extrusion is obtained is 190 DEG C is uniformly coated the steel band to after preheating
Surface；
Step4：It is cold to the advanced sector-style of steel band, temperature of steel strips is down to 123 DEG C, then water-cooled is carried out to steel band, temperature of steel strips drops
To 20 DEG C, the reduction of temperature of steel strips is realized；
Step5：Pre- stress-removal shaping bending process is carried out to the steel band after coating adhering resin, steel band is bent to Ω shapes；
Step6：Steel band is heated to 200 DEG C, by steel strip winding in the inner layer substrate resin of extruder extrusion obtain 180 DEG C and
Between outer layer matrix resin, inner layer substrate resin, steel band and outer layer matrix resin is set to carry out bonding compound；
Step7：Cooling and shaping, meter cutting long, tests product storage.
Wherein, degreasing agent includes the component of following parts by weight：
According to weight portion, well mixed i.e. prepared degreasing agent is carried out after weighing each component.
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, comprises the following steps：
Step1：Degreasing agent is preheated to 105 DEG C, steel band is processed with degreasing agent then, then steel band is carried out clearly with water
Wash, complete the degreasing cleaning to steel band, then dry up steel strip surface；
Step2：Steel band is heated using high frequency heating machine first, then steel band is placed in baking oven, the temperature for keeping steel band is
200 DEG C, realize the pre-heat treatment of steel band；
Step3：The adhering resin of the melting that the temperature that extruder extrusion is obtained is 180 DEG C is uniformly coated the steel band to after preheating
Surface；Step4：It is cold to the advanced sector-style of steel band, temperature of steel strips is down to 128 DEG C, then water-cooled is carried out to steel band, temperature of steel strips drops
To 30 DEG C, the reduction of temperature of steel strips is realized；
Step5：Pre- stress-removal shaping bending process is carried out to the steel band after coating adhering resin, steel band is bent to Ω shapes；
Step6：Steel band is heated to 200 DEG C, by steel strip winding in the inner layer substrate resin of extruder extrusion obtain 185 DEG C and
Between outer layer matrix resin, inner layer substrate resin, steel band and outer layer matrix resin is set to carry out bonding compound；
Step7：Cooling and shaping, meter cutting long, tests product storage.
Wherein, degreasing agent includes the component of following parts by weight：
According to weight portion, well mixed i.e. prepared degreasing agent is carried out after weighing each component.
The material of the adhering resin, inner layer substrate resin and outer layer matrix resin is FRPP.
Comparative example 1
From the embodiment as a comparison case 1 of the Chinese patent of Publication No. CN105751543A.
Ring stiffness is tested
Embodiment 1-5 and comparative example 1 are tested and recorded with reference to CJ/T225-2015.
The ring stiffness record sheet of the embodiment 1-5 of table 1 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：It is 800mm according to DN/ID, minimum average B configuration internal diameter dim.min takes according to embodiment 1-5 and right respectively for 750mm
The steel-belt-pipe that ratio 1 makes；
Step2：Each steel-belt-pipe is placed in following water sample and is tested.
The water sample salinity of table 2
The temperature of experiment, time
Temperature：110℃；
Time：240h；
Test pressure 20MPa, CO2(carbon dioxide) partial pressure 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 the embodiment 1-5 of table 3 and comparative example 1
As known from Table 3, antiseptic property of the invention is better than comparative example 1.
Claims (10)
1. a kind of processing technology of steel-belt-pipe, it is characterized in that：Comprise the following steps：
Step1：Degreasing cleaning is carried out to steel band and steel strip surface is dried up；
Step2：The pre-heat treatment is carried out to steel band；
Step3：The adhering resin that will be melted uniformly coats the steel strip surface to after preheating；
Step4：Carry out air-cooled and water-cooled successively to steel band, reduce temperature of steel strips；
Step5：Pre- stress-removal shaping bending process is carried out to the steel band after coating adhering resin, steel band is bent to Ω shapes；
Step6：By steel strip winding between inner layer substrate resin and outer layer matrix resin, make inner layer substrate resin, steel band and outer
It is compound that layer matrix resin carries out bonding；
Step7：Cooling and shaping, meter cutting long, tests product storage；
The material of the adhering resin, inner layer substrate resin and outer layer matrix resin is FRPP.
2. the processing technology of steel-belt-pipe according to claim 1, it is characterized in that：In Step1, first with degreasing agent to steel band
Processed, then steel band is cleaned with water, the degreasing agent is included the component of following parts by weight：
Ammonium citrate-hydroxyacetic acid 3-5 parts
Sorbester p17 1-3 parts
Isooctanol polyethoxylate 1-3 parts
Glauber salt 1-3 parts
Triethanolamine 8-10 parts
Sodium metasilicate 12-15 parts
Corrosion inhibiter 0.1-0.3 parts
Water 70-75 parts.
3. the processing technology of steel-belt-pipe according to claim 2, it is characterized in that：The degreasing agent also includes hydroxylmethyl cellulose
Plain sodium 0.1-0.5 parts.
4. the processing technology of steel-belt-pipe according to claim 2, it is characterized in that：The corrosion inhibiter from BTA,
One kind in Sodium Benzoate.
5. the processing technology of steel-belt-pipe according to claim 2, it is characterized in that：Before degreasing agent is contacted with steel band, to de-
Fat agent is preheated, and the preheating temperature of degreasing agent is 90-100 DEG C.
6. the processing technology of steel-belt-pipe according to claim 1, it is characterized in that：In Step2, high frequency heating machine pair is first used
Steel band is heated, then steel band is placed in baking oven, and the temperature for keeping steel band is 200 DEG C.
7. the processing technology of steel-belt-pipe according to claim 1, it is characterized in that：In Step3, the adhering resin of the melting
Obtained by extruder extrusion, the adhering resin temperature of the melting that extruder extrusion is obtained is 170-200 DEG C.
8. the processing technology of steel-belt-pipe according to claim 1, it is characterized in that：In Step4, steel band is warm after air-cooled
Degree is down to 120-130 DEG C.
9. the processing technology of steel-belt-pipe according to claim 1, it is characterized in that：In Step4, steel band is warm by after water-cooled
Degree is down to 20-30 DEG C.
10. the processing technology of steel-belt-pipe according to claim 1, it is characterized in that：In Step6, when being wound, steel band
200 DEG C are heated to, inner layer substrate resin and outer layer matrix resin are obtained by extruder extrusion, and it is interior that extruder extrusion is obtained
Layer matrix resin and outer layer matrix resin temperature are 170-200 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419283A (en) * | 2017-08-14 | 2017-12-01 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107419283A (en) * | 2017-08-14 | 2017-12-01 | 上海倍宁汽车零部件有限公司 | A kind of utral degreaser and its preparation method and application |
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| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106808720B (en) | 2019-06-25 |
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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 |