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Agricultural polyethylene nine-meter tubular product without R port and double bevel angles and preparation technology of tubular product

A preparation process, polyethylene technology, applied in the direction of pipes, rigid pipes, mechanical equipment, etc., can solve the problems of wasting financial resources, affecting traffic safety, wasting manpower, etc., and achieve the effect of reducing production costs, good quality, and ensuring overall quality

Inactive Publication Date: 2013-01-30
BAZHOU RUNMIAN DRIP EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. When processing the R port, the pipe needs to be reheated and baked. Therefore, it will deteriorate due to high or low temperature, which seriously affects the quality of the pipe, resulting in common water leakage at the R port during the customer's use.
[0004] 2. The R-port pipe needs to be installed with rubber rings. The rubber rings are made of rubber, which is not environmentally friendly and is easy to be broken and overturned during installation. It will harden after a long time and cannot seal the water. It is not easy to find on the inner wall of the pipe, and the water leakage at the R port is only discovered when the entire pipeline is installed and debugged. The usual solution is to disassemble the entire pipeline, which wastes manpower and money, and affects the best irrigation for farmers. season;
Therefore, it is easy to be squeezed and deformed during loading and transportation, resulting in failure to install or water leakage after installation. At the same time, the R-port pipe will cause the transportation vehicle to be too long during transportation, which will affect traffic safety and increase transportation costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] A nine-meter agricultural polyethylene pipe with no R-mouth double bevel angle, with a diameter of 160mm, adopts the following preparation process:

[0045] 1. Accurately weigh the components of the raw material formula as indicated in Table 1 and use them for later use.

[0046] 2. Put the weighed light calcium carbonate, paraffin wax and stearic acid into the high mixing pot of the automatic mixer and mix them. When the material temperature reaches 100°C, the weighed PVC, stabilizer, CPE is added to the high-mix pot and further mixed. When the temperature of the materials in the high-mix pot reaches 125°C, it automatically enters the low-speed mixer and quickly cools down to below 60°C.

[0047] 3. The dry blend after being mixed by the automatic mixer enters the 80-156 double-screw automatic extruder through the automatic feeder for plasticization and extrusion. The automatic feeder adopts a spring-type powder feeder. The extruder can automatically feed when there is no ma...

Embodiment 2

[0058] A nine-meter polyethylene pipe for agricultural use with double bevel angles without R, with a diameter of 125mm, adopts the following preparation process:

[0059] 1. Accurately weigh the components of the raw material formula as indicated in Table 1 and use them for later use.

[0060] 2. Put the weighed light calcium carbonate, paraffin wax and stearic acid into the high mixing pot of the automatic mixer and mix them. When the material temperature reaches 100°C, the weighed PVC, stabilizer, CPE is added to the high-mix pot and further mixed. When the temperature of the materials in the high-mix pot reaches 125°C, it automatically enters the low-speed mixer and quickly cools down to below 60°C.

[0061] 3. The dry blend after being mixed by the automatic mixer enters the 80-156 double-screw automatic extruder through the automatic feeder for plasticization and extrusion. The automatic feeder adopts a spring-type powder feeder. The extruder can automatically feed when there ...

Embodiment 3

[0072] A nine-meter agricultural polyethylene pipe with a double bevel angle without R, with a diameter of 90mm, adopts the following preparation process:

[0073] 1. Accurately weigh the components of the raw material formula as indicated in Table 1 and use them for later use.

[0074] 2. Put the weighed light calcium carbonate, paraffin wax and stearic acid into the high mixing pot of the automatic mixer and mix them. When the material temperature reaches 100°C, the weighed PVC, stabilizer, CPE is added to the high-mix pot and further mixed. When the temperature of the materials in the high-mix pot reaches 125°C, it automatically enters the low-speed mixer and quickly cools down to below 60°C.

[0075] 3. The dry blend after being mixed by the automatic mixer enters the 80-156 double-screw automatic extruder through the automatic feeder for plasticization and extrusion. The automatic feeder adopts a spring-type powder feeder. The extruder can automatically feed when there is no ma...

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Abstract

The invention discloses an agricultural polyethylene nine-meter tubular product without an R port and double bevel angles, wherein a formula of raw materials is prepared in parts by weight: 65 to 80 parts of PVC (Polyvinyl Chloride), 20 to 30 parts of light calcium carbonate, 1 to 2 parts of CPE (Chlorinated Polyethylene), 0.8 to 1.5 parts of stabilizing agent, 0.2 to 0.5 parts of paraffins, 0.1 to 0.2 parts of stearic acid, and 0.05-0.1 parts of carbon black. According to the nine-meter tubular product without the R port and the double bevel angles provided by the invention, the tubular product avoids going bad due to too high or too low temperature when the R port is processed and the tubular product is carried out secondary heating and roasting, so that quality of the tubular product is severely influenced, and a situation that the R port is generally drained when a customer is using the tubular product occurs. Meanwhile, a pipe fitting is directly utilized without a rubber ring when a nine-meter tubular product without the R port and double bevel angles is arranged, so that the tubular product is convenient and quick to arrange, but a phenomenon of tipping or damaging the rubber ring is not happened; and furthermore, a draining problem caused by superhard rubber rings and asymmetrical butted pipes while construction is carried out in winter is overcome, and the draining problem caused by too soft and easily damaged rubber rings while the construction is carried out in summer is overcome as well.

Description

technical field [0001] The invention relates to polyethylene pipes and belongs to the field of polymer materials. Background technique [0002] At present, the R-port pipe has the following defects: [0003] 1. When processing the R port, the pipe needs to be reheated and baked. Therefore, it will deteriorate due to high or low temperature, which seriously affects the quality of the pipe, resulting in common water leakage at the R port during the customer's use. . [0004] 2. The R-port pipe needs to be installed with rubber rings. The rubber rings are made of rubber, which is not environmentally friendly and is easy to be broken and overturned during installation. It will harden after a long time and cannot seal the water. It is not easy to find on the inner wall of the pipe, and the water leakage at the R port is only discovered when the entire pipeline is installed and debugged. The usual solution is to disassemble the entire pipeline, which wastes manpower and money, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L23/28C08K13/02C08K3/26C08K5/09C08K3/04C08K5/57B29C47/92F16L9/12B29C48/92
CPCB29C48/04B29C48/40B29C48/875B29C48/92B29C2948/92514B29C2948/92704B29C2948/92895B29C2948/92933
Inventor 闫生华
Owner BAZHOU RUNMIAN DRIP EQUIP
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