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Nitrogen filling system of extruder

An extruder and nitrogen filling technology, which is applied in the field of extruder nitrogen filling system, can solve problems such as unsatisfactory and low water content

Active Publication Date: 2012-12-26
大连橡胶塑料机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the post-treatment drying process of synthetic polymers, the polymers are extruded and dehydrated, and then sent to the expansion dryer. During this process, the polymers are subjected to pressure and temperature. Moisture is turned into steam by the heat of the material, so that the final moisture content of the rubber material reaches a lower value, but it is not ideal

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  • Nitrogen filling system of extruder

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Embodiment Construction

[0013] Such as figure 1 As shown, the nitrogen filling system of the extruder includes a silencer 1, a first shut-off valve 2, a nitrogen injection nozzle 3, a first pressure gauge 4, a second shut-off valve 5, a first safety valve 6, and a first one-way valve 7 , second pressure gauge 8, main pressure reducing valve 9, flow meter 10, flow regulating valve 11, third pressure gauge 12, first filter 13, third stop valve 14, proportional regulating valve 15, second one-way valve 16. Second safety valve 17, pressure reducing valve 18, second filter 19, fourth cut-off valve 20 and PLC (programmable logic controller), muffler 1, first cut-off valve 2, nitrogen injection nozzle 3, first Pressure gauge 4, second stop valve 5, first safety valve 6, first one-way valve 7, second pressure gauge 8, main pressure reducing valve 9, flow meter 10, flow regulating valve 11, third pressure gauge 12, The first filter 13 and the third stop valve 14 are connected in sequence, and the proportiona...

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Abstract

The invention discloses a nitrogen filling system of an extruder. The nitrogen filling system comprises a silencer, a first stop valve, a nitrogen injection nozzle, a first pressure gauge, a second stop valve, a first safety valve, a first one-way valve, a second pressure gauge, a main pressure reducing valve, a flow meter, a flow regulation valve, a third pressure gauge, a first filter, a third stop valve, a proportion regulation valve, a second one-way valve, a second safety valve, a pressure reducing valve, a second filter, a fourth stop valve and a programmable controller. According to the nitrogen filling system, nitrogen or other inert gas is injected to a pressure-proof area in the double-screw expansion drying extruder and then an effective blasting medium is provided, so that the drying process is relatively easy and highly-effective, the final water content of a sizing material is low, the basic temperature of a polymer can be reduced at the same time and benefits are brought to ensure the performance and quality of the polymer.

Description

technical field [0001] The invention relates to a nitrogen filling system for an extruder. Background technique [0002] In the post-treatment drying process of the synthetic polymer, the polymer is extruded and dehydrated, and then sent to the expansion dryer. The moisture is turned into steam by the heat of the material, so that the final moisture content of the rubber material reaches a lower value, but it is not ideal. Contents of the invention [0003] The object of the present invention is to provide a nitrogen filling system for an extruder. [0004] The technical solution adopted by the present invention to achieve the above object is: a nitrogen filling system for an extruder, including a silencer, a first shut-off valve, a nitrogen injection nozzle, a first pressure gauge, a second shut-off valve, a first safety valve, The first one-way valve, the second pressure gauge, the main pressure reducing valve, the flow meter, the flow regulating valve, the third press...

Claims

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Application Information

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IPC IPC(8): B29C47/08
Inventor 张永龙吴丹黄莉刘亚楠
Owner 大连橡胶塑料机械有限公司
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