CN103921432A - Production method of PVC-U (rigid polyvinyl chloride) winding pipe - Google Patents
Production method of PVC-U (rigid polyvinyl chloride) winding pipe Download PDFInfo
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- CN103921432A CN103921432A CN201310565315.6A CN201310565315A CN103921432A CN 103921432 A CN103921432 A CN 103921432A CN 201310565315 A CN201310565315 A CN 201310565315A CN 103921432 A CN103921432 A CN 103921432A
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Abstract
The invention discloses a production method of a PVC-U (rigid polyvinyl chloride) winding pipe; and the method is characterized by comprising the following steps: step 1, mixing PVC resin with light active calcium carbonate; step 2, successively adding CPE (chlorinated polyethylene), ACR(acrylate) and a composite stabilizer into the mixed material in the step 1; step 3, heating the mixed material in the step 2 in a heat mixing machine, and stopping the heating operation when the material is heated to 120 DEG C; step 4, cooling the mixed material of 120 DEG C in the step 3 in a cold mixing machine, and stopping the cooling operation when the material is cooled to 45 DEG C; and step 5, plasticizing the mixed material of 45 DEG C in the step 4 in an extruder, and extruding when the material is heated to 190 DEG C and the like. The production method can be applied to the technical filed of production of the PVC-U winding pipe, diameter range of the PVC-U winding pipe prepared by the production method is 300-2000 mm, the ring stiffness of the PVC-U winding pipe can be improved, and the brittleness of the PVC-U winding pipe can be reduced.
Description
Technical field
The present invention relates to the production technical field of PVC-U winding pipe, especially a kind of production method of PVC-U winding pipe.
Background technology
PVC-U claims again hard PVC, and it is that the amorphous thermoplastic resin that VCM is made through polymerisation adds certain additive (as stabilizing agent, lubricant, filler etc.) composition.Except with additive, also adopt the way of carrying out blending and modifying with other resin, make it have obvious practical value.These resins have CPVC, PE, ABS, EVA, MBS etc.The melt viscosity of UPVC is high, poor fluidity; In addition, the forming temperature of resin and heat decomposition temperature are very approaching, and the temperature range that can carry out moulding is very narrow, are a kind of materials that is difficult to moulding.
Wherein, the heavy caliber PVC-U winding pipe of preparing by PCV-U strip material, energy-saving effect brilliance.Traditional piping material energy resource consumption is high, resource consumption is large, and heavy caliber PVC-U winding pipe has had huge advance made in energy conservation.In existing market application, the plastic products such as plastic door-window, plastic pipe, no matter, in producing and using, energy consumption is all far below other construction materials.Aspect energy consumption, building plastic product is only respectively 25% and 12.5% of steel, aluminium, and hard PVC energy consumption is only the 30%-50% of cast iron pipe and steel pipe; In use, plastic water supply pipe can reduce water delivery energy consumption 50% than metal tube, as PVC-U tubing water supply can save energy 62%-75% than steel pipe, can save energy 55%-68% for draining than cast iron pipe.
At present, maximum extruder can only be produced the plastic tube (Italy) of bore 1200mm in the world, domestic extruder is introduced line also can only produce the plastic tube that bore is 400mm, and tubing price is high, can not meet the demand of industrial production and application far away, in prior art, caliber be greater than 1000mm PVC-U winding pipe technical barrier mainly: the performance of existing PVC-U strip material can not meet the preparation requirement of 1000mm caliber PVC-U winding pipe.And existing PVC-U winding pipe in fragility, install and connect aspect variation and seepage still Shortcomings.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of production method of PVC-U winding pipe, and utilizing PVC-U winding pipe diameter range prepared by the method is 300-2000mm; Can improve the ring stiffness of winding pipe, reduce fragility etc.
For solving the problems of the technologies described above, the invention provides a kind of production method of PVC-U winding pipe, it is characterized in that, comprising:
Step 1: polyvinyl chloride resin and light active calcium carbonate are carried out to batch mixing operation;
Step 2: will add successively CPE, ACR and compound stabilizer in the mixed material in step 1;
Step 3: the mixed material in step 2 is carried out to heating operation in the mixed machine of heat, stop heating operation in the time being heated to 120 DEG C;
Step 4: the mixed material of 120 DEG C in step 3 is carried out to cooling down operation in cold mixer, stop cooling down operation in the time being cooled to 45 DEG C;
Step 5: the mixed material of 45 DEG C in step 4 is plastified to operation in extruder, extrude operation in the time being heated to 190 DEG C;
Step 6: the extruded material in step 5 is carried out to the operation of shaping in shaping platform, cut, coil the rear PVC-U of formation of operation winding pipe strip material after cooling and shaping;
Step 7: the PVC-U winding pipe strip material in step 6 is carried out to winding operation on winding pipe bracket by wrapping machine, complete the preparation of PVC-U winding pipe;
Wherein, in step 7, the model of wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe.
The production method of above-mentioned PVC-U winding pipe also can have following features, and the model of described wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe and is specially:
When the caliber of described PVC-U winding pipe is 300-800mm, use 1 layer of PVC-U strip to make winding pipe; Select HT-800A wrapping machine to carry out winding operation, wrapping machine power is 5.58kw.
The production method of above-mentioned PVC-U winding pipe also can have following features, and the model of described wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe and is specially:
When the caliber of described PVC-U winding pipe is 700-1200mm, use 1-2 layers of PVC-U strip to make winding pipe; Select HT-1200A wrapping machine to carry out winding operation, wrapping machine power is 7.88kw.
The production method of above-mentioned PVC-U winding pipe also can have following features, and the model of described wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe and is specially:
When the caliber of described PVC-U winding pipe is 900-1500mm, use 1-2 layers of PVC-U strip to make winding pipe; Select HT-1500A wrapping machine to carry out winding operation, wrapping machine power is 9.88kw.
The production method of above-mentioned PVC-U winding pipe also can have following features, and the model of described wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe and is specially:
When the caliber of described PVC-U winding pipe is 1500-2000mm, use 1-3 layers of PVC-U strip to make winding pipe; Select HT-2000A wrapping machine to carry out winding operation, wrapping machine power is 13.38kw.
The production method of above-mentioned PVC-U winding pipe also can have following features, and the mixed material in described step 1 is: the mixed material of the polyvinyl chloride resin of 80-120 weight portion and 40-60 weight portion light active calcium carbonate.
The production method of above-mentioned PVC-U winding pipe also can have following features, and the mixed material in described step 1 is: the mixed material of the polyvinyl chloride resin of 100 weight portions and 50 weight portion light active calcium carbonates.
The production method of above-mentioned PVC-U winding pipe also can have following features, and the CPE adding successively in described step 2, ACR and compound stabilizer are: the CPE of 8-12 weight portion, the ACR of 0.2-1.2 weight portion, the compound stabilizer of 3-6 weight portion.
The production method of above-mentioned PVC-U winding pipe also can have following features, and described CPE, ACR and compound stabilizer are specially:
The CPE of 9 weight portions, the ACR of 1 weight portion, the compound stabilizer of 4 weight portions.
The production method of above-mentioned PVC-U winding pipe also can have following features, and the polyvinyl chloride resin in described step 1 and light active calcium carbonate are input in the mixed machine of heat by vacuum feeder.
Technique scheme of the present invention has following beneficial features:
The present invention is by step 1: polyvinyl chloride resin and light active calcium carbonate are carried out to batch mixing operation; Step 2: will add successively CPE, ACR and compound stabilizer in the mixed material in step 1; Step 3: the mixed material in step 2 is carried out to heating operation in the mixed machine of heat, stop heating operation in the time being heated to 120 DEG C; Step 4: the mixed material of 120 DEG C in step 3 is carried out to cooling down operation in cold mixer, stop cooling down operation in the time being cooled to 45 DEG C; Step 5: the mixed material of 45 DEG C in step 4 is plastified to operation in extruder, extrude operation in the time being heated to 190 DEG C; Step 6: the extruded material in step 5 is carried out to the operation of shaping in shaping platform, cut, coil the rear PVC-U of formation of operation winding pipe strip material after cooling and shaping; Step 7: the PVC-U winding pipe strip material in step 6 is carried out to winding operation on winding pipe bracket by wrapping machine, complete the preparation of PVC-U winding pipe.PVC-U winding pipe diameter by the final preparation of above-mentioned steps can reach 2000mm.
Other features and advantages of the present invention will be set forth in the following description, and, partly from description, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in description, claims.
Detailed description of the invention
For the ease of setting forth the present invention, below with reference to specific embodiment, the enforcement of technical solution of the present invention is described in further detail.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can be combined mutually.
The production method that the invention provides a kind of PVC-U winding pipe, specifically comprises the steps;
Step 1: polyvinyl chloride resin and light active calcium carbonate are carried out to batch mixing operation;
Step 2: will add successively CPE, ACR and compound stabilizer in the mixed material in step 1;
Step 3: the mixed material in step 2 is carried out to heating operation in the mixed machine of heat, stop heating operation in the time being heated to 120 DEG C;
Step 4: the mixed material of 120 DEG C in step 3 is carried out to cooling down operation in cold mixer, stop cooling down operation in the time being cooled to 45 DEG C;
Step 5: the mixed material of 45 DEG C in step 4 is plastified to operation in extruder, extrude operation in the time being heated to 190 DEG C;
Step 6: the extruded material in step 5 is carried out to the operation of shaping in shaping platform, cut, coil the rear PVC-U of formation of operation winding pipe strip material after cooling and shaping;
Step 7: the PVC-U winding pipe strip material in step 6 is carried out to winding operation on winding pipe bracket by wrapping machine, complete the preparation of PVC-U winding pipe;
Wherein, in step 7, the model of wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe.
Preferably, in step 7, the model of wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe and is specially: select HT-800A wrapping machine to produce the winding pipe of DN300-800.Selecting strip is 1 layer, wrapping machine power 5.58kw, 40 meters of productions per hour, 680kg.
Select HT-1200A wrapping machine to produce the winding pipe of DN700-1200.Select strip to be 1-2 layers, wrapping machine power 7.88kw, 30 meters of productions per hour, 1980kg.
Select HT-1500A wrapping machine to produce the winding pipe of DN900-1500.Select strip to be 1-2 layers, wrapping machine power 9.88kw, 20 meters of productions per hour, 3600kg.
Select HT-2000A wrapping machine to produce the winding pipe of DN1500-2000.Select strip to be 1-3 layers, wrapping machine power 13.38kw, 15 meters of productions per hour, 4065kg.
It should be noted that, in the time that caliber is 700-800, can select as the case may be the wrapping machine of HT-800A or HT-1200A model, on not impact of actual production preparation; Equally.In the time that caliber is 900-1200, can select as the case may be the wrapping machine of HT-1200A or HT-15200A model.
Preferably, in concrete operations of the present invention, the polyvinyl chloride resin in step 1 and light active calcium carbonate are input in the mixed machine of heat by vacuum feeder; And the mixed material in step 1 is: the mixed material of the light active calcium carbonate of the polyvinyl chloride resin of 80-120 weight portion and 40-60 weight portion.
Preferably, in concrete operations of the present invention, CPE, the ACR and the compound stabilizer that in step 2, add are successively: the CPE of 8-12 weight portion, the ACR of 0.8-1.2 weight portion, the compound stabilizer of 3-6 weight portion.
In concrete operations of the present invention, relate to following key Design point:
1) strip structural design and strip grinding tool are produced.The geometry of strip base material is square hole, double-walled enclosed construction, has greatly improved the ring stiffness of product.Particularly labyrinth sealing theory is applied in to the binding site of base material and base material, adopts double sealing structure; And impose good polymer adhesive, thus make winding pipe there is good impermeability, bear interior pressure and can reach 0.4MPa.Winding arrangement makes again this tubing axis direction form imitative vertebral body structure, in the time that tubing causes pipeline extension, distortion because of variations in temperature and settlement of foundation, can play self-compensation situation effect.Thereby realize moulding Dai Gang, to mould the pipeline for concrete.
Wherein, the square hole enclosed construction of geometry, can improve the performance indications such as ring stiffness, watertightness and automatic telescopic compensation of strip, can reduce raw material consumption simultaneously, reduces transport, handling and construction human cost.
2) draw of steel wire rope, can reduce the difficulty that strip is filled in, and the amount of lightening one's labor guarantees that winding pipe is wound around smoothly.
3) roller adjustment criteria, guarantees that winding pipeline moulding is also standard size.
Technical scheme provided by the invention has following innovative point:
1) product design
Successfully solve the difficult point that skinny device can be produced large diameter pipeline, first produce PVC-U structural shape of given shape, can produce the extremely pipeline of middle 2000mm of 300mm in bore by rolling machine helical wrapping method, filled up domestic and can only produce the blank that bore is the plastic extrusion pipeline below 400mm, this technological break-through the application of plastic pipe.
2) product structure
Sheet material novelty is with interlocking mutually between unique sheet material, and the ring stiffness of pipeline is strengthened, and realizes the particular/special requirement of guaranteeing specialities.
Double containment interlocking, ensures that strip connects into pipe, and ensures watertightness; The square hole enclosed construction of geometry, has ensured plastic conduit ring stiffness, i.e. lifting capacity, and in construction, stuccoing and backfill soil roll especially, guarantee pipeclay acting in conjunction, and lifting capacity can significantly strengthen.
3) Product Process
Realize sheet material batch production and produce, pipeline field coiling, fast (10m/M i n) reduces transport, and lifting link, improves speed of application to make pipeline processing.
4) properties of product
Adopting nanometer technology is exactly that breaking nanometer into pieces is unit current micron order material, and " set ", " affinity ", " association " according to certain rules of ionic state material, the density of row tens, hundreds of ion cluster reaches new physical property.Make that pipeline is lightweight, intensity is high, good toughness, shock resistance, acid-alkali-corrosive-resisting.
5) result of use innovation
Must internal and external anti-corrosive, sealing joint is good, and resist displacement performance is strong, adapts to various topographic structure safety corridors, and inside pipe wall does not play algae, and resistance coefficient is little, reaches 50 years service life.
Embodiment 1:
The light active calcium carbonate of the polyvinyl chloride resin of 100 weight portions, 50 weight portions is pumped to and in batch mixer, carries out married operation; Then add in order CPE, the ACR of 1 weight portion and the compound stabilizer of 4 weight portions of 9 weight portions; Said mixture material is carried out to heating operation in the mixed machine of heat, in the time being heated to 120 DEG C, stop heating operation; And then said mixture material is carried out in cold mixer to cooling down operation, in the time being cooled to 45 DEG C, stop cooling down operation; And then said mixture material is plastified to operation in extruder, in the time being heated to 190 DEG C, extrude operation; And then by the operation of shaping of said mixture material, form PVC-U winding pipe strip material after cutting again, coil operation after cooling and shaping in shaping platform; Further PVC-U winding pipe strip material is carried out to winding operation on winding pipe bracket by wrapping machine, complete the preparation of PVC-U winding pipe.
In above-described embodiment 1, the performance parameter of the PVC-U winding pipe strip material of preparation is as follows:
1, vicat softening temperature: 84 DEG C;
2, brittle temperature :-75 DEG C;
3, ring stiffness:>=12.5kN/m
2;
4, ring flexibility: sample is round and smooth, without back-flexing, crack-free;
5,0 DEG C, 3.2kg, 2m, hammer falling impact strength breaks and counts (TIR): 9.1%;
6,150 DEG C of baking oven tests: tubing is without layering, cracking or foaming;
7, longitudinal relaxation shrinkage: 4.0%;
8, carrene soaks bubble test: inside and outside wall is not inferior to 4L without separating and changing;
9, strip bonding strength: 560N.
In above-described embodiment 1, the PVC-U winding pipe of preparation and the parameter of wrapping machine are as follows:
1, PVC-U winding pipe diameter is 500mm;
2, wrapping machine model is HT-800A;
3, selecting PVC-U strip is 1 layer;
4, wrapping machine power 5.58kw;
5,40 meters of productions per hour, 680kg.
Embodiment 2:
The light active calcium carbonate of the polyvinyl chloride resin of 80 weight portions, 40 weight portions is pumped to and in batch mixer, carries out married operation; Then add in order CPE, the ACR of 0.8 weight portion and the compound stabilizer of 3 weight portions of 8 weight portions; Said mixture material is carried out to heating operation in the mixed machine of heat, in the time being heated to 120 DEG C, stop heating operation; And then said mixture material is carried out in cold mixer to cooling down operation, in the time being cooled to 45 DEG C, stop cooling down operation; And then said mixture material is plastified to operation in extruder, in the time being heated to 190 DEG C, extrude operation; And then by the operation of shaping of said mixture material, form PVC-U winding pipe strip material after cutting again, coil operation after cooling and shaping in shaping platform.
In above-described embodiment 2, the performance parameter of the PVC-U winding pipe strip material of preparation is as follows:
1, vicat softening temperature: 79 DEG C;
2, embrittlement temperature :-75 DEG C;
3, ring stiffness:>=12.5kN/m
2;
4, ring flexibility: sample is round and smooth, without back-flexing, crack-free;
5,0 DEG C, 3.2kg, 2m, hammer falling impact strength breaks and counts (TIR): 10%;
6,150 DEG C of baking oven tests: tubing is without layering, cracking or foaming;
7, longitudinal relaxation shrinkage: 5%;
8, carrene soaks bubble test: inside and outside wall is not inferior to 4L without separating and changing;
9, strip bonding strength: 510N;
In above-described embodiment 2, PVC-U winding pipe and the wrapping machine parameter of preparation are as follows:
1, PVC-U winding pipe diameter is 1000mm;
2, wrapping machine model is HT-1200A;
3, selecting PVC-U strip is 2 layers;
4, wrapping machine power 7.88kw;
5,30 meters of productions per hour, 1980kg.
Embodiment 3:
The light active calcium carbonate of the polyvinyl chloride resin of 120 weight portions, 60 weight portions is pumped to and in batch mixer, carries out married operation; Then add in order CPE, the ACR of 1.2 weight portions and the compound stabilizer of 6 weight portions of 12 weight portions; Said mixture material is carried out to heating operation in the mixed machine of heat, in the time being heated to 120 DEG C, stop heating operation; And then said mixture material is carried out in cold mixer to cooling down operation, in the time being cooled to 45 DEG C, stop cooling down operation; And then said mixture material is plastified to operation in extruder, in the time being heated to 190 DEG C, extrude operation; And then by the operation of shaping of said mixture material, form PVC-U winding pipe strip material after cutting again, coil operation after cooling and shaping in shaping platform.
In above-described embodiment 3, the performance parameter of the PVC-U winding pipe strip material of preparation is as follows:
1, vicat softening temperature: 82 DEG C;
2, embrittlement temperature :-75 DEG C;
3, ring stiffness:>=12.5kN/m
2;
4, ring flexibility: sample is round and smooth, without back-flexing, crack-free;
5,0 DEG C, 3.2kg, 2m, hammer falling impact strength breaks and counts (TIR): 9.4%;
6,150 DEG C of baking oven tests: tubing is without layering, cracking or foaming;
7, longitudinal relaxation shrinkage: 4.6%;
8, carrene soaks bubble test: inside and outside wall is not inferior to 4L without separating and changing;
9, strip bonding strength: 530N;
In above-described embodiment 3, prepare the diameter of PVC-U winding pipe and the performance parameter of wrapping machine is as follows:
1, PVC-U winding pipe diameter is 1300mm;
2, wrapping machine model is HT-1500A;
3, selecting PVC-U strip is 2 layers;
4, wrapping machine power 97.88kw;
5,20 meters of productions per hour, 3600kg.
In conjunction with above-described embodiment 1,2,3, the technical requirement of PVC-U winding pipe strip material provided by the invention is as follows:
1, vicat softening temperature: >=79 DEG C;
2, embrittlement temperature :-75 DEG C;
3, ring stiffness:>=12.5kN/m
2;
4, ring flexibility: sample is round and smooth, without back-flexing, crack-free;
5,0 DEG C, 3.2kg, 2m, hammer falling impact strength breaks and counts (TIR) :≤10%;
6,150 DEG C of baking oven tests: tubing is without layering, cracking or foaming;
7, longitudinal relaxation shrinkage :≤5%;
8, carrene soaks bubble test: inside and outside wall is not inferior to 4L without separating and changing;
9, strip bonding strength: >=510N.
The present invention is applied in preparation PVC-U winding pipe can realize the ring stiffness that expands caliber, strengthens pipeline, makes the application of PVC-U plastic conduit wider.The PVC-U winding pipe of the final preparation of method provided by the invention possesses following advantage:
Conveyance power of water is strong, tube wall coefficient of roughness N=0.008-0.01;
Speed of application is fast, and installation every day of 1200m-2600m large diameter pipeline can reach 500m;
Pipeline is lightweight, is only the 1/10-1/20 of pipe of cement;
Without long-distance transport, without hanging device, on-the-spot Cheng Guanhou directly buries underground;
Acid and alkali resistance, anti-corruption, long service life, at least 50 years;
Excavated volume is little, without concrete basis and pipeline pedestal;
Anti-seismic performance is strong, and resist displacement performance is high.
Comprehensive cost is low, under equal conditions than the low 10%-20% of pipe of cement.
Preferably, in concrete operations of the present invention, by increasing CPE at formula, reduce lightweight calcium activated, can realize reduction fragility; By injecting PVC-U feedwater glue, polyurethane foam glue when the winding pipeline to solve the phenomenon of strip seam pressurization infiltration.
PVC-U winding pipe preparation method provided by the invention extrudes the PVC-U-shaped material of given shape with plastic extruder, coil, and then by special wrapping machine, section bar is spirally wound in to the pipeline of various bores; Can be widely used in blowdown draining, diversion, field irrigation, the road and rail culvert of municipal works, the engineering of cable communication webmaster, significant to the transformation of traditional product and modern basic industry, can be described as pipeline technological break-through again.It becomes the newcomer of traditional piping material with leading technology, energy-saving and environmental protection, the advantage such as inexpensive.This project increases market competitiveness of enterprises, for the road lay a good foundation of sustainable development is walked by enterprise.By applying the present invention, gradually reduce the application of the traditional piping material such as pipe of concrete, cast iron pipe of high energy consumption, in low-carbon (LC), low emission, energy-conserving and environment-protective, there is the incomparable advantage of traditional piping material, meet the main trend that social energy conservation reduces discharging; PVC winding pipe is applied to the supporting pipe network of municipal sewage treatment, has the major advantage such as zero seepage, corrosion-resistant, few fracture compared with traditional piping material, is conducive to reduce COD discharge, and water conservation is domestic and international generally acknowledged environment-friendly type buried drain pipe material.
Although the disclosed embodiment of the present invention as above, the embodiment that described content just adopts for the ease of understanding the present invention, not in order to limit the present invention.Technical staff in any the technical field of the invention; do not departing under the prerequisite of the disclosed spirit and scope of the present invention; can do any amendment and variation what implement in form and in details; but scope of patent protection of the present invention, still must be as the criterion with the scope that appending claims was defined.
Claims (10)
1. a production method for PVC-U winding pipe, is characterized in that, comprising:
Step 1: polyvinyl chloride resin and light active calcium carbonate are carried out to batch mixing operation;
Step 2: will add successively CPE, ACR and compound stabilizer in the mixed material in step 1;
Step 3: the mixed material in step 2 is carried out to heating operation in the mixed machine of heat, stop heating operation in the time being heated to 120 DEG C;
Step 4: the mixed material of 120 DEG C in step 3 is carried out to cooling down operation in cold mixer, stop cooling down operation in the time being cooled to 45 DEG C;
Step 5: the mixed material of 45 DEG C in step 4 is plastified to operation in extruder, extrude operation in the time being heated to 190 DEG C;
Step 6: the extruded material in step 5 is carried out to the operation of shaping in shaping platform, cut, coil the rear PVC-U of formation of operation winding pipe strip material after cooling and shaping;
Step 7: the PVC-U winding pipe strip material in step 6 is carried out to winding operation on winding pipe bracket by wrapping machine, complete the preparation of PVC-U winding pipe;
Wherein, in step 7, the model of wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe.
2. the production method of a kind of PVC-U winding pipe according to claim 1, is characterized in that, the model of described wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe and is specially:
When the caliber of described PVC-U winding pipe is 300-800mm, use 1 layer of PVC-U strip to make winding pipe; Select HT-800A wrapping machine to carry out winding operation, wrapping machine power is 5.58kw.
3. the production method of a kind of PVC-U winding pipe according to claim 1, is characterized in that, the model of described wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe and is specially:
When the caliber of described PVC-U winding pipe is 700-1200mm, use 1-2 layers of PVC-U strip to make winding pipe; Select HT-1200A wrapping machine to carry out winding operation, wrapping machine power is 7.88kw.
4. the production method of a kind of PVC-U winding pipe according to claim 1, is characterized in that, the model of described wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe and is specially:
When the caliber of described PVC-U winding pipe is 900-1500mm, use 1-2 layers of PVC-U strip to make winding pipe; Select HT-1500A wrapping machine to carry out winding operation, wrapping machine power is 9.88kw.
5. the production method of a kind of PVC-U winding pipe according to claim 1, is characterized in that, the model of described wrapping machine is carried out corresponding selection according to the diameter of PVC-U winding pipe and is specially:
When the caliber of described PVC-U winding pipe is 1500-2000mm, use 1-3 layers of PVC-U strip to make winding pipe; Select HT-2000A wrapping machine to carry out winding operation, wrapping machine power is 13.38kw.
6. the production method of a kind of PVC-U winding pipe according to claim 1, is characterized in that, the mixed material in described step 1 is: the mixed material of the polyvinyl chloride resin of 80-120 weight portion and 40-60 weight portion light active calcium carbonate.
7. the production method of a kind of PVC-U winding pipe according to claim 6, is characterized in that, the mixed material in described step 1 is: the mixed material of the polyvinyl chloride resin of 100 weight portions and 50 weight portion light active calcium carbonates.
8. the production method of a kind of PVC-U winding pipe according to claim 1, it is characterized in that, CPE, the ACR and the compound stabilizer that in described step 2, add are successively: the CPE of 8-12 weight portion, the ACR of 0.2-1.2 weight portion, the compound stabilizer of 3-6 weight portion.
9. the production method of a kind of PVC-U winding pipe according to claim 8, is characterized in that, described CPE, ACR and compound stabilizer are specially:
The CPE of 9 weight portions, the ACR of 1 weight portion, the compound stabilizer of 4 weight portions.
10. the production method of a kind of PVC-U winding pipe according to claim 1, is characterized in that, the polyvinyl chloride resin in described step 1 and light active calcium carbonate are input in the mixed machine of heat by vacuum feeder.
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| CN104228079A (en) * | 2014-09-15 | 2014-12-24 | 淄博海能塑管有限公司 | Manufacturing method of novel high-ring-stiffness UPVC pipe |
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| CN101948594A (en) * | 2010-10-25 | 2011-01-19 | 江苏技术师范学院 | High-impact water-supply pipe granular material and preparation method thereof |
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