CN108963944B - Composite reinforced plastic film prefabricated cable trench pipeline and manufacturing process thereof - Google Patents
Composite reinforced plastic film prefabricated cable trench pipeline and manufacturing process thereof Download PDFInfo
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- CN108963944B CN108963944B CN201810884298.5A CN201810884298A CN108963944B CN 108963944 B CN108963944 B CN 108963944B CN 201810884298 A CN201810884298 A CN 201810884298A CN 108963944 B CN108963944 B CN 108963944B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a composite reinforced plastic film prefabricated cable trench pipeline, wherein the composite reinforced plastic film concrete cable pipeline comprises a toughened glass bracket, a main body layer and an external special plastic film. The composite reinforced plastic film prefabricated cable trench pipeline is manufactured by adopting the composite reinforced plastic film prefabricated cable trench pipeline manufacturing process provided by the invention, after the mixed materials are subjected to rubber mixing and extrusion for high-temperature high-pressure molding, an external special plastic film is covered on a mold in a physical member mode, finally, the composite mold assembly and concrete are carried out to form an arc-shaped pipe gallery, and the arc-shaped pipe gallery can be packaged and stored in a warehouse after detection. The invention has the advantages that the traditional cable pipeline is covered by the special plastic film in a physical component mode, the maintenance is convenient, the service life of the pipe gallery is prolonged, the purposes of water resistance, corrosion resistance and water seepage resistance can be achieved, and the invention has the effects of flame resistance and electric breakdown resistance. And the assembly type construction is adopted, so that the templates are saved, the construction conditions during manufacturing are improved, the labor productivity is improved, and the construction progress is accelerated.
Description
Technical Field
The invention relates to the technical field of pipeline materials, in particular to a composite reinforced plastic film prefabricated cable trench pipeline and a manufacturing process thereof.
Background
Along with the rapid development of modern construction, the living standard of people is gradually improved, the application range of the cable pipeline is continuously expanded, and the underground pipe gallery is widely applied, wherein the original cable pipeline construction adopts a cast-in-place mode, the method needs a large number of templates, the field workload is large, the construction period is long, and manpower and material resources are wasted; the construction of a cable pipe network in the prior art is always the key infrastructure construction of the country, a cable pipeline is the main construction material of the project, and the concrete pipeline technology is adopted at present, so that the concrete material is found to have strong bearing capacity but poor waterproof performance in construction and use for many years. The water seepage phenomenon of the pipeline is very prominent, which brings great inconvenience to the daily maintenance; in addition, the concrete has poor acid and alkali resistance, serious pipeline deep-buried underground corrosion phenomenon, relatively short overall service life, huge loss and large cost, and influences the normal work and study of people. Therefore, the cable pipeline is made of the composite high polymer material in the assembly type construction, so that the cost of raw materials and the construction time can be saved, and the use durability and the use safety coefficient of the pipeline are improved.
Disclosure of Invention
The invention aims to provide a composite reinforced plastic film prefabricated cable trench pipeline and a manufacturing process thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: prefabricated cable pit pipeline of membrane is moulded to compound muscle, including toughened glass support, main body layer, plastic film, its characterized in that:
the toughened glass support is arranged inside the pipeline, the thickness of the toughened glass support is 20-25 mm, and the thickness of the plastic film is 3-5 mm; the main body layer material comprises the following components in parts by weight: 35-55 parts of polypropylene, 5-8 parts of calcium carbonate, 15-25 parts of aromatic imide, 0.2-0.3 part of stabilizer, 2-4 parts of polycarbonate, 4010.0.2-0.3 part of anti-aging agent, 0.5-1.5 parts of polyether ether ketone, 0.2-0.4 part of fatty acid amide, 25-35 parts of polyisobutylene, 0.5-1 part of oxidized polyethylene wax, 1010.0.2-0.3 part of antioxidant, 0.5-1 part of zinc stearate, 0.2-0.4 part of calcium acetate, 0.5-1 part of silicon dioxide, 0.5-1 part of solid solvent, 0.2-0.8 part of triethyl citrate and 0.2-0.6 part of polyamide.
The invention also provides a manufacturing process of the composite reinforced plastic film prefabricated cable trench pipeline, which comprises the following steps:
mixing polypropylene, calcium carbonate, aromatic imide, polycarbonate, polyether ether ketone, fatty acid amide, polyisobutylene, oxidized polyethylene wax, zinc stearate, calcium acetate, silicon dioxide, triethyl citrate and polyamide, putting into a stirrer, and stirring at a high speed;
after uniformly stirring, putting the mixed material into a rubber mixing mill, sequentially adding a dissolving accelerator and an antioxidant 1010, and operating to keep the roll spacing balance;
putting the mixed material after the open milling into a conical double-rod extruder, sequentially adding a stabilizer and an anti-aging agent 4010, and extruding a primary finished product;
placing the primary finished product in a forming die, installing a toughened glass support inside the primary finished product, and standing for 24-48 h in a dark place after high-temperature and high-pressure molding;
and (5) covering a plastic film on the solidified mould by adopting a physical component mode, finally carrying out composite mould assembly and concrete pouring, and packaging and warehousing after cooling, forming and detecting are passed.
Preferably, in the step (1), the silica is ground into small particles.
Preferably, in the step (2), the solid solvent is one or more of salicylic acid, cresol, fatty acid, fatty alcohol-polyoxyethylene ether, fatty alcohol-polyoxyethylene-polyoxypropylene ether, polyglycerol fatty acid ester and polyoxyethylene sorbitan fatty acid ester.
Preferably, in the step (2), the temperature of a front roller of the rubber mixing mill is set to be 175-195 ℃; the temperature of the rear roller is 165-185 ℃.
Preferably, in the step (3), the stabilizer is one or more of calcium salt, zinc salt, cadmium ricinoleate, calcium stearate, lead maleate tribasic, lead salicylate, magnesium stearate, lead sulfate tribasic, isooctyl di-n-octyl tin dimercaptoacetate, and isooctyl antimony trimercaptoacetate.
Preferably, in the step (3), the conical double-rod extruder is set to have a temperature in the first zone: 90-100 ℃; a second region: 140-150 ℃; a third zone: 160-170 ℃; a fourth area: 170-180 ℃.
Compared with the prior art, the invention has the beneficial effects that:
(1) the antioxidant and the anti-aging agent are added to the preparation material of the main body layer, so that the corrosion resistance and the durability of the pipeline are effectively improved, the pipeline is easier to form, and the practicability is enhanced;
(2) the traditional cable duct is covered by a special plastic film in a physical component mode, so that the cable duct has waterproof and antioxidant effects;
(3) the pipe gallery has the effects of corrosion resistance, water seepage prevention and the like, and has high-efficiency flame resistance and electric breakdown resistance;
(4) the pipe gallery is convenient to maintain, and the service life of the pipe gallery is prolonged;
(5) the manufacturing process adopts the assembly type construction, so that templates can be saved, the construction condition during manufacturing is improved, the labor productivity is improved, and the construction progress is accelerated.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a composite reinforced plastic film prefabricated cable trench pipeline and a manufacturing process thereof;
FIG. 2 is a flow chart of a manufacturing process of a mold according to an embodiment of the composite reinforced plastic film prefabricated cable trench pipeline and the manufacturing process thereof;
FIG. 3 is a flow chart of a manufacturing process of a pipe gallery according to an embodiment of the composite reinforced plastic film prefabricated cable trench pipeline and the manufacturing process thereof;
FIG. 4 is a process flow diagram of physical components of an embodiment of the composite reinforced plastic film prefabricated cable trench pipeline and a manufacturing process thereof.
In the reference symbols: 1-a plastic film; 2-a bulk layer; 3-toughened glass support.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the embodiment provides a membrane prefabricated cable pit pipeline is moulded to compound muscle, and it specifically is as follows:
the toughened glass support is composed of a toughened glass support, a main body layer and a plastic film, wherein the thickness of the toughened glass support is 20-25 mm, and the thickness of the plastic film is 3-5 mm; the main body layer material comprises the following components in parts by weight: 35-55 parts of polypropylene, 5-8 parts of calcium carbonate, 15-25 parts of aromatic imide, 0.2-0.3 part of stabilizer, 2-4 parts of polycarbonate, 4010.0.2-0.3 part of anti-aging agent, 0.5-1.5 parts of polyether ether ketone, 0.2-0.4 part of fatty acid amide, 25-35 parts of polyisobutylene, 0.5-1 part of oxidized polyethylene wax, 1010.0.2-0.3 part of antioxidant, 0.5-1 part of zinc stearate, 0.2-0.4 part of calcium acetate, 0.5-1 part of silicon dioxide, 0.5-1 part of solid solvent, 0.2-0.8 part of triethyl citrate and 0.2-0.6 part of polyamide.
This kind of prefabricated cable pit pipeline of membrane is moulded to compound muscle adds on main part layer prepares the material and has added anti-oxidant and anti-aging agent, effectively increases the anticorrosive nature and the durability of pipeline, makes it change in the shaping, and the reinforcing practicality adopts the mode of physics component to cover traditional cable management corridor with the plastic film of speciality, has waterproof, anti-oxidant effect, has effects such as anticorrosive, prevention of seepage water moreover, has high-efficient anti fire-retardant simultaneously, the electrical breakdown resistance ability, uses safe and reliable.
Example 2:
referring to fig. 1-4, the present embodiment provides a composite reinforced plastic film prefabricated cable trench pipeline and a manufacturing process thereof, including the following steps:
firstly, preparing a material of a main body layer in the middle of a pipeline, arranging a toughened glass support in the middle of the pipeline, setting the thickness of the toughened glass support to be 20mm, setting the thickness of a plastic film to be 3mm, and preparing the material of the main body layer by weight: 35 parts of polypropylene, 5 parts of calcium carbonate, 15 parts of aromatic imide, 2 parts of polycarbonate, 0.5 part of polyether ether ketone, 0.2 part of fatty acid amide, 25 parts of polyisobutylene, 0.5 part of oxidized polyethylene wax, 0.5 part of zinc stearate, 0.2 part of calcium acetate, 0.5 part of silicon dioxide, 0.2 part of triethyl citrate and 0.2 part of polyamide are mixed and put into a stirrer for high-speed stirring, then the mixed materials are put into a rubber mixing mill after being uniformly stirred, 0.5 part of a reinforcing solvent and 1010.0.2 parts of an antioxidant are sequentially added, the balance of the roller spacing is kept by operation, the mixed materials after the milling are put into a conical double-rod extruder, 0.2 part of a stabilizer and 4010.0.2 parts of an anti-aging agent are sequentially added, a primary product is extruded by operation, finally, the primary product is put into a forming die, a toughened glass bracket made of rubber is added by matching with the rubber, the thickness of the toughened glass bracket is 20mm, and after high-temperature and high-pressure molding, standing for 36h in the dark, covering the solidified die with a plastic film made by adopting a physical member mode, finally performing composite die assembly and concrete pouring, and packaging and warehousing after cooling, curing, forming and detecting. .
Example 3:
referring to fig. 1-4, the present embodiment provides a composite reinforced plastic film prefabricated cable trench pipeline and a manufacturing process thereof, including the following steps:
firstly, preparing a main body layer material, wherein the main body layer material comprises the following components in parts by weight: 55 parts of polypropylene, 8 parts of calcium carbonate, 25 parts of aromatic imide, 4 parts of polycarbonate, 1.5 parts of polyether ether ketone, 0.4 part of fatty acid amide, 35 parts of polyisobutylene, 1 part of oxidized polyethylene wax, 1 part of zinc stearate, 0.4 part of calcium acetate, 1 part of silicon dioxide, 0.8 part of triethyl citrate and 0.6 part of polyamide are mixed and put into a stirrer for high-speed stirring, then the mixed material is put into a rubber mixing mill after being uniformly stirred, 1 part of a reinforcing solvent and 1010.0.3 parts of an antioxidant are sequentially added, the balance of the roll spacing is kept, the mixed material after the milling is put into a conical double-rod extruder, 0.3 part of a stabilizer and 4010.0.3 parts of an antioxidant are sequentially added, a primary finished product is extruded, finally, the primary finished product is placed into a forming die to be matched with the operation of a die press, a toughened glass bracket is arranged inside a pipeline, the thickness of the toughened glass bracket is 25mm, and after high-temperature and high-pressure molding is carried, standing for 36h in the dark, covering the solidified die with a plastic film made by adopting a physical member mode, finally performing composite die assembly and concrete pouring, and packaging and warehousing after cooling, curing, forming and detecting.
In the aspect of the manufacturing process, the produced materials are stirred, mixed with rubber, extruded and molded by a mold, so that the maintenance is convenient, the service life of the pipe gallery is prolonged, the operation is simple, the cost is low, and the application range is wide.
Preferably, the silica is ground to form small particles.
Preferably, the solid solvent is one or more of salicylic acid, cresol, fatty acid, fatty alcohol-polyoxyethylene ether, fatty alcohol-polyoxyethylene-polyoxypropylene ether, polyglycerol fatty acid ester and polyoxyethylene sorbitan fatty acid ester.
Preferably, the temperature of a front roller of the rubber mixing mill is set to be 175-195 ℃; the temperature of the rear roller is 165-185 ℃.
Preferably, the stabilizer is one or more of calcium salt, zinc salt, cadmium ricinoleate, calcium stearate, lead maleate tribasic, lead salicylate, magnesium stearate, lead sulfate tribasic, isooctyl di-n-octyl tin dimercaptoacetate, and isooctyl antimony trimercaptoacetate.
Preferably, the conical twin-screw extruder is set to a temperature in the first zone: 90-100 ℃; a second region: 140-150 ℃; a third zone: 160-170 ℃; a fourth area: 170-180 ℃.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Prefabricated cable pit pipeline of membrane is moulded to compound muscle, including toughened glass support, main body layer, plastic film, its characterized in that:
the toughened glass support is arranged inside the pipeline, the thickness of the toughened glass support is 20-25 mm, and the thickness of the plastic film is 3-5 mm; the main body layer material comprises the following components in parts by weight: 35-55 parts of polypropylene, 5-8 parts of calcium carbonate, 15-25 parts of aromatic imide, 0.2-0.3 part of stabilizer, 2-4 parts of polycarbonate, 4010.0.2-0.3 part of anti-aging agent, 0.5-1.5 parts of polyether ether ketone, 0.2-0.4 part of fatty acid amide, 25-35 parts of polyisobutylene, 0.5-1 part of oxidized polyethylene wax, 1010.0.2-0.3 part of antioxidant, 0.5-1 part of zinc stearate, 0.2-0.4 part of calcium acetate, 0.5-1 part of silicon dioxide, 0.5-1 part of solid solvent, 0.2-0.8 part of triethyl citrate and 0.2-0.6 part of polyamide.
2. The manufacturing process of the composite reinforced plastic film prefabricated cable trench pipeline according to claim 1, characterized by comprising the following steps of:
mixing polypropylene, calcium carbonate, aromatic imide, polycarbonate, polyether ether ketone, fatty acid amide, polyisobutylene, oxidized polyethylene wax, zinc stearate, calcium acetate, silicon dioxide, triethyl citrate and polyamide, putting into a stirrer, and stirring at a high speed;
after uniformly stirring, putting the mixed material into a rubber mixing mill, sequentially adding a dissolving accelerator and an antioxidant 1010, and operating to keep the roll spacing balance;
putting the mixed material after the open milling into a conical double-rod extruder, sequentially adding a stabilizer and an anti-aging agent 4010, and extruding a primary finished product;
placing the primary finished product in a forming die, installing a toughened glass support inside the primary finished product, and standing for 24-48 h in a dark place after high-temperature and high-pressure molding;
and (5) covering a plastic film on the solidified primary finished product by adopting a physical component mode, finally carrying out composite type primary finished product assembly and concrete pouring, and packaging and warehousing after cooling, forming and detecting are passed.
3. The manufacturing process of the composite reinforced plastic film prefabricated cable trench pipeline according to claim 2, characterized by comprising the following steps of: in the step (1), the silicon dioxide is ground into small particles.
4. The manufacturing process of the composite reinforced plastic film prefabricated cable trench pipeline according to claim 2, characterized by comprising the following steps of: in the step (2), the solid solvent is one or a mixture of more of salicylic acid, cresol, fatty acid, fatty alcohol-polyoxyethylene ether, fatty alcohol-polyoxyethylene-polyoxypropylene ether, polyglycerol fatty acid ester and polyoxyethylene sorbitan fatty acid ester.
5. The manufacturing process of the composite reinforced plastic film prefabricated cable trench pipeline according to claim 2, characterized by comprising the following steps of: in the step (2), the temperature of a front roller of the rubber mixing machine is set to be 175-195 ℃; the temperature of the rear roller is 165-185 ℃.
6. The manufacturing process of the composite reinforced plastic film prefabricated cable trench pipeline according to claim 2, characterized by comprising the following steps of: in the step (3), the stabilizer is one or a mixture of more of calcium salt, zinc salt, cadmium ricinoleate, calcium stearate, tribasic lead maleate, lead salicylate, magnesium stearate, tribasic lead sulfate, isooctyl di-n-octyl tin dimercaptoacetate and isooctyl antimony trimercaptoacetate.
7. The manufacturing process of the composite reinforced plastic film prefabricated cable trench pipeline according to claim 2, characterized by comprising the following steps of: in the step (3), the set temperature of the conical double-rod extruder is a first zone: 90-100 ℃; and a second zone: 140-150 ℃; and (3) three zones: 160-170 ℃; and (4) four areas: 170-180 ℃.
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| US8783631B2 (en) * | 2012-08-02 | 2014-07-22 | Underground Devices, Inc. | Low EMF compact duct spacer |
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| CN102702950A (en) * | 2012-06-12 | 2012-10-03 | 天长市巨龙车船涂料有限公司 | High polymer waterproof coating |
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