CN102109069A - Pipe of pipeline without scale and preparation method thereof - Google Patents

Pipe of pipeline without scale and preparation method thereof Download PDF

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Publication number
CN102109069A
CN102109069A CN201010595581XA CN201010595581A CN102109069A CN 102109069 A CN102109069 A CN 102109069A CN 201010595581X A CN201010595581X A CN 201010595581XA CN 201010595581 A CN201010595581 A CN 201010595581A CN 102109069 A CN102109069 A CN 102109069A
Authority
CN
China
Prior art keywords
pipe
parts
pipeline
melt adhesive
hot melt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201010595581XA
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Chinese (zh)
Other versions
CN102109069B (en
Inventor
林云青
张文霖
朱鹏飞
吴显成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIAONING KANGTAI PLASTIC TECHNOLOGY Co Ltd
Original Assignee
LIAONING KANGTAI PLASTIC TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LIAONING KANGTAI PLASTIC TECHNOLOGY Co Ltd filed Critical LIAONING KANGTAI PLASTIC TECHNOLOGY Co Ltd
Priority to CN201010595581XA priority Critical patent/CN102109069B/en
Publication of CN102109069A publication Critical patent/CN102109069A/en
Application granted granted Critical
Publication of CN102109069B publication Critical patent/CN102109069B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention discloses a pipe of a pipeline and particularly relates to a pipe for processing a pipeline without scale and a preparation method thereof. The pipe of the pipeline without scale disclosed by the invention is prepared from PVC (polyvinyl chloride), a hot melt adhesive and the blending modified silica core material of silica gel and high-density polyethylene, wherein the thickness of an outer layer pipe prepared from the PVC is 1.0-1.5mm; the thickness of the hot melt adhesive is 0.1-0.2mm; and the thickness of a silica core inner layer pipe prepared from the blending modified silica core material of the silica gel and the high-density polyethylene is 0.5-1.0mm. The pipeline without scale prepared from the raw materials provided by the invention combines the double layer advantages of the PVC and a silica core pipe, has a good scaling-resistant effect, is convenient in construction and operation, does not need a special tool, is rapid and reliable and is convenient to connect branch pipes and maintain; tee connecting branch pipes are connected when water is not cut off; the silica core inner layer on the inner wall of the pipeline is a solid and permanent lubricant; and the friction properties of the silica core inner layer on the inner wall are maintained to be unchanged, thus the scale is not formed.

Description

Tubing of a kind of non-scaling pipeline and preparation method thereof
Technical field
The present invention relates to a kind of tubing of pipeline, particularly relate to a kind of tubing of processing the non-scaling pipeline and preparation method thereof.
Background technique
In drainage pipe, the needs discharging that has contains the water of high bacteria containing rate, high salinity, and is dissolved with a certain amount of corrosive gas H in the water that is discharged 2S, CO 2And O 2And wax deposition etc., these all are the main causes of pipeline scale.Can make the pipeline undergauge behind the pipeline scale, circulation area diminishes, and build-up of pressure loses, discharge capacity reduces and line clogging.Pipeline scale also can bring out the pipeline local etching, causes pipe leakage frequent, even perforation, damages incidents.The drainage pipe classification that is had in the market is limited and the ability opposing fouling is low, is the technical problem that those skilled in the art are badly in need of solving so develop a kind of drainage pipe of novel good antiscale property.
Summary of the invention
The present invention is exactly in order to solve the problems of the technologies described above, and tubing of a kind of non-scaling pipeline that provides and preparation method thereof adopts the pipeline good antiscale property of this preparation of pipes effective, maintenance and easy construction.
In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:
A kind of tubing of non-scaling pipeline, it is that blending and modifying silicon core material by PVC, hot melt adhesive and silica gel and high density polyethylene (HDPE) is prepared from, wherein to make the thickness of external pipe be 1.0-1.5mm to PVC, the thickness of hot melt adhesive is 0.1-0.2mm, and the thickness of the silicon core inner tube that the blending and modifying material of silica gel and high density polyethylene (HDPE) is made is 0.5-1.0mm; Wherein to mix external pipe be to count ratio by following raw materials in parts by weight to be prepared to PVC: PVC150 part, 8 parts of calcium carbonate activateds, compound plumbous 8 parts of heat stabilizer, plasticizer MBS6 part, 6 parts of 0.3 part in oiling agent PE wax, 4 parts of anti-impact agent acrylate and whitening agent titanium dioxides; The silicon core inner tube that the blending and modifying material of silica gel and high density polyethylene (HDPE) is made is to be that the high density polyethylene (HDPE) that 1 part silica gel and parts by weight are 2 parts is prepared from by parts by weight.
Described hot melt adhesive is the EVA hot melt adhesive.
The preparation method of described non-scaling pipeline: a, batch mixing are got the raw material of external pipe, inner tube and hot melt adhesive respectively by described parts by weight, pour in the mixing equipment batch mixing 20 minutes respectively into; B, granulation, the external pipe material is carried out granulation, c, selected co-extrusion extruder have three material feeding mouths, and three screw rods, three barrels are by co-extrusion die head shaping pipe, the hopper heat release melten gel of back, the hopper on the right is put the inner tube material, the external pipe material is put in the hopper in the left side, d, extrudes, and at first slowly starts the external pipe extruder, open the hot melt adhesive extruder then, open the inner tube extruder at last.
The barrel temperature of pipe is that 175 ℃, 190 ℃, 200 ℃, the temperature of die head are 220 ℃, 235 ℃, 220 ℃ in extruding in the described extrusion step, and the rotating speed of pipe was 20 rev/mins in extruder was extruded.
The barrel temperature of extruding and hot melting glue is 175 ℃, 180 ℃, 195 ℃ in the described extrusion step; Die head temperature is 220 ℃, 235 ℃, 220 ℃, and the rotating speed of extruder extruding and hot melting glue is 5 rev/mins.
The temperature of extruding outer tube in the described extrusion step sets gradually and is 165 ℃ of barrels, 175 ℃, 185 ℃; The temperature of die head is 210 ℃, 220 ℃, 210 ℃, and the rotating speed that extruder is extruded outer tube is 35 rev/mins.
Advantage of the present invention and effect are as follows:
The pipeline of the non-scaling of employing feedstock production of the present invention combines the double-deck advantage of PVC and silicon core pipe, and its good antiscale property is effective, is convenient to construction, and operation is convenient, does not need special tool(s), fast and reliable; Be convenient to connect arm, do not cut off the water and to open three and connect arm; Easy to maintenance, method for maintaining is simple, and the silicon in-core layer of its inwall is solid, permanent oiling agent, and the friction characteristics of inwall silicon in-core layer remains unchanged, so non-scaling; The silicon in-core layer of its inwall is to arrive in the pvc pipe road wall by the hot melt adhesive co-extrusion, and the whole pipe inwall that distributes equably, can not peel off, and breaks away from, with the same life-span of silicone tube; The silicon in-core layer of its inwall does not react with water, available water flushing pipe after the contingency.
Pipeline experimental test data result of the present invention such as following table:
Sequence number Project Technical order
1 Appearance quality The appearance color uniformity; The inside and outside wall entity should be smooth, even, smooth, do not have defectives such as subsiding, cheat recessed, hole, tear trace and impurity pit; The cross section does not have bubble, slight crack; Inwall compact clinkering, nothing exoneration phenomenon; The product sign is complete, clear on the outer wall.
2 Outer wall hardness 〉=70(Shao Shi D type)
3 The inwall friction factor Static :≤0.25(flat band method, to HDPE standard coupon) and dynamically :≤0.15
4 Tensile strength (Mpa) 〉=25
5 Elongation at break (%) 〉=350
6 Maximum traction load (N) 〉=8000
7 Cold bend(ing) radius (mm) 400
8 Ring stiffness (KN/m2) 〉=60
9 The resistant to chemical media corrosion Place 5% NaCL, 40 H2SO4,40% NaOH solution to soak 24h respectively tubular product sample, do not have the phenomenon that obviously is corroded.
10 Anti-hydrocarbon performance With the external force that behind the heptane immersion 72h non-scaling pipe is applied 528N, sample does not damage, and the permanent deformation of generation is no more than 5%.
11 The water pressure resistance sealability 20 ℃ of temperature under the pressure 50KPa condition, kept ne-leakage 24 hours.
Embodiment
Below in conjunction with embodiment the present invention is described in further details, but protection scope of the present invention is not limited by embodiment.
A kind of tubing of non-scaling pipeline, it is that blending and modifying silicon core material by PVC, hot melt adhesive and silica gel and high density polyethylene (HDPE) is prepared from, wherein to make the thickness of external pipe be 1.0,1.2 or 1.5mm to PVC, the thickness of hot melt adhesive is 0.1 or 0.2mm, and the thickness of the silicon core inner tube that the blending and modifying material of silica gel and high density polyethylene (HDPE) is made is 0.5,0.8 or 1.0mm; Wherein to mix external pipe be to count ratio by following raw materials in parts by weight to be prepared to PVC: PVC150 part, 8 parts of calcium carbonate activateds, compound plumbous 8 parts of heat stabilizer, plasticizer MBS6 part, 6 parts of 0.3 part in oiling agent PE wax, 4 parts of anti-impact agent acrylate and whitening agent titanium dioxides; The silicon core inner tube that the blending and modifying material of silica gel and high density polyethylene (HDPE) is made is to be that the high density polyethylene (HDPE) that 1 part silica gel and parts by weight are 2 parts is prepared from by parts by weight.
Described hot melt adhesive is the EVA hot melt adhesive.
The preparation method of described non-scaling pipeline: a, batch mixing are got the raw material of external pipe, inner tube and hot melt adhesive respectively by described parts by weight, pour into respectively in the mixing equipment, and each batch mixing 20 minutes is to reach good dispersion; B, granulation, PVC external pipe material is a powder, and inner tube material and hot melt adhesive are pellet, to the granulation of external pipe material, c, selected co-extrusion extruder has three material feeding mouths, three screw rods, three barrels are by the co-extrusion die head shaping pipe, the hopper heat release melten gel of back, the hopper on the right is put the inner tube material, puts the external pipe material in the hopper of left side, d, extrude, at first slowly start the external pipe extruder, open the hot melt adhesive extruder then, open the inner tube extruder at last, the barrel temperature of pipe is 175 ℃ in extruding, 190 ℃, 200 ℃, the temperature of die head is 220 ℃, 235 ℃, 220 ℃, the rotating speed of pipe was 20 rev/mins in extruder was extruded; The barrel temperature of extruding and hot melting glue is 175 ℃, 180 ℃, 195 ℃; Die head temperature is 220 ℃, 235 ℃, 220 ℃, and the rotating speed of extruder extruding and hot melting glue is 5 rev/mins; The temperature of extruding outer tube sets gradually and is 165 ℃ of barrels, 175 ℃, 185 ℃; The temperature of die head is 210 ℃, 220 ℃, 210 ℃, and the rotating speed that extruder is extruded outer tube is 35 rev/mins.

Claims (6)

1. the tubing of a non-scaling pipeline, it is characterized in that it is that blending and modifying silicon core material by PVC, hot melt adhesive and silica gel and high density polyethylene (HDPE) is prepared from, the thickness that PVC makes external pipe is 1.0-1.5mm, the thickness of hot melt adhesive is 0.1-0.2mm, and the thickness of the silicon core inner tube that the blending and modifying material of silica gel and high density polyethylene (HDPE) is made is 0.5-1.0mm; It is to count ratio by following raw materials in parts by weight to be prepared from that PVC mixes external pipe: PVC150 part, 8 parts of calcium carbonate activateds, compound plumbous 8 parts of heat stabilizer, plasticizer MBS6 part, 6 parts of 0.3 part in oiling agent PE wax, 4 parts of anti-impact agent acrylate and whitening agent titanium dioxides; Silicon core inner tube is to be that the high density polyethylene (HDPE) that 1 part silica gel and parts by weight are 2 parts is prepared from by parts by weight.
2. the tubing of a kind of non-scaling pipeline according to claim 1 is characterized in that described hot melt adhesive is the EVA hot melt adhesive.
3. the preparation method of a kind of non-scaling pipeline tubing according to claim 1, it is characterized in that its preparation process is as follows: a, batch mixing, get the raw material of external pipe, inner tube and hot melt adhesive respectively by described parts by weight, pour into respectively in the mixing equipment, batch mixing 20 minutes; B, granulation, the external pipe material is carried out granulation, c, selected co-extrusion extruder have three material feeding mouths, and three screw rods, three barrels are by co-extrusion die head shaping pipe, the hopper heat release melten gel of back, the hopper on the right is put the inner tube material, the external pipe material is put in the hopper in the left side, d, extrudes, and at first slowly starts the external pipe extruder, open the hot melt adhesive extruder then, open the inner tube extruder at last.
4. the preparation method of a kind of non-scaling pipeline tubing according to claim 3, the barrel temperature of pipe is that 175 ℃, 190 ℃, 200 ℃, the temperature of die head are 220 ℃, 235 ℃, 220 ℃ in it is characterized in that extruding in the described extrusion step, and the rotating speed of pipe was 20 rev/mins in extruder was extruded.
5. the preparation method of a kind of non-scaling pipeline tubing according to claim 3, the barrel temperature that it is characterized in that extruding and hot melting glue in the described extrusion step is 175 ℃, 180 ℃, 195 ℃; Die head temperature is 220 ℃, 235 ℃, 220 ℃, and the rotating speed of extruder extruding and hot melting glue is 5 rev/mins.
6. the preparation method of a kind of non-scaling pipeline tubing according to claim 3, the temperature that it is characterized in that extruding in the described extrusion step outer tube set gradually and are 165 ℃ of barrels, 175 ℃, 185 ℃; The temperature of die head is 210 ℃, 220 ℃, 210 ℃, and the rotating speed that extruder is extruded outer tube is 35 rev/mins.
CN201010595581XA 2010-12-20 2010-12-20 Pipe of pipeline without scale and preparation method thereof Expired - Fee Related CN102109069B (en)

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Application Number Priority Date Filing Date Title
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CN102109069A true CN102109069A (en) 2011-06-29
CN102109069B CN102109069B (en) 2012-05-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104295809A (en) * 2014-11-05 2015-01-21 广西金盛科技发展有限公司 PVC drainage pipe
CN106764111A (en) * 2016-12-09 2017-05-31 武汉金牛经济发展有限公司 A kind of good antiscale property antimicrobial form PE RT tubing and preparation method thereof
CN109102152A (en) * 2018-07-05 2018-12-28 湖北欧宅新材料科技有限公司 Management system and management method in a kind of PVC coextrusion

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672195B (en) * 2013-11-28 2015-11-18 天津市伟星新型建材有限公司 A kind of good antiscale property type heat-proof polythene ground heating pipes and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2321015Y (en) * 1997-07-09 1999-05-26 上海德士高邮电器材厂 Silicon core optical cable guide tube
KR100947259B1 (en) * 2010-01-06 2010-03-11 원진테크 주식회사 Pvc pipe preventing dew condensation for air conditioner
CN101824223A (en) * 2010-04-13 2010-09-08 仝国磊 Blended rubber of silicon rubber and high density polyethylene and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2321015Y (en) * 1997-07-09 1999-05-26 上海德士高邮电器材厂 Silicon core optical cable guide tube
KR100947259B1 (en) * 2010-01-06 2010-03-11 원진테크 주식회사 Pvc pipe preventing dew condensation for air conditioner
CN101824223A (en) * 2010-04-13 2010-09-08 仝国磊 Blended rubber of silicon rubber and high density polyethylene and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《塑料》 20020830 管建国 高密度聚乙烯硅芯管共挤复合工艺探讨 73-75 1-6 第31卷, 第04期 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104295809A (en) * 2014-11-05 2015-01-21 广西金盛科技发展有限公司 PVC drainage pipe
CN106764111A (en) * 2016-12-09 2017-05-31 武汉金牛经济发展有限公司 A kind of good antiscale property antimicrobial form PE RT tubing and preparation method thereof
CN109102152A (en) * 2018-07-05 2018-12-28 湖北欧宅新材料科技有限公司 Management system and management method in a kind of PVC coextrusion

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