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Sand removing process and system of waste glue

A technology of glue and process, which is applied in the field of sand removal process and system of waste glue, can solve the problems of frequent maintenance of butterfly separator, unfavorable reuse, and large content of dilute glue, so as to improve the quality of viscose, reduce impurities, and optimize diluent The effect of glue

Pending Publication Date: 2018-11-27
YIBIN GRACE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The present invention aims to solve the problems in the prior art that dilute glue contains a large amount of impurities, the number of particles is very high, it is not conducive to reuse, and the butterfly separator is frequently overhauled. In order to achieve the above-mentioned purpose of the invention, the technical solution of the present invention is as follows:

Method used

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  • Sand removing process and system of waste glue
  • Sand removing process and system of waste glue
  • Sand removing process and system of waste glue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] A process for removing sand from waste glue belongs to the technical field of viscose production in the textile industry. The specific steps are:

[0048] a. Add the waste glue solution and the dissolved alkali into the collection barrel I according to a volume ratio of 1:6 to form a mixed solution, the dissolved alkali is an alkali solution commonly used in the viscose production industry;

[0049] b. The mixed liquid prepared in step a is delivered to the cyclone desander 2 through a booster pump. The feed pressure of the cyclone desander 2 is 3MPa, and the mixture is separated in the cyclone desander 2 to obtain the separated liquid I and waste residue; separation liquid I is discharged from a pipe with a discharge pressure of 1.5MPa, and waste residue is discharged every 30 minutes;

[0050] c. Transport the separated liquid processed in step b to a plate and frame filter I with a precision of 120 mesh for filtration to obtain filtrate I;

[0051] d. The filtrate processed ...

Embodiment 2

[0064] A waste glue removal process, the specific steps are:

[0065] a. Add the waste glue liquid and the dissolved alkali into the collection tank I in a volume ratio of 1:8 to form a mixed liquid;

[0066] b. The mixed liquid prepared in step a is delivered to the cyclone tube of the cyclone desander 2 through a booster pump, and the feed pressure is 4 MPa, and the mixture is separated in the cyclone desander 2 to obtain separated liquid I and waste residue ; The separation liquid I is discharged from the pipeline with a discharge pressure of 2.5MPa, and the waste residue is discharged every 40 minutes;

[0067] c. Transport the separated liquid after processing in step b to a metal mesh plate and frame filter with a precision of 120 mesh for filtration;

[0068] d. The filtrate processed in step c is sent to the iron separator 17 for filtration, and then sent to the butterfly separator 6 with a rotation speed of 7500r / min for separation;

[0069] e. Transport the separated liquid t...

Embodiment 3

[0079] Compared with Examples 1 and 2, the difference feature is that the cyclone desander 2 is an 8-core cyclone desander 2.

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Abstract

The invention discloses a sand removing process and system of waste glue, and belongs to the technical field of viscose production. On the basis of an existing sand removing device, a multi-core cyclone desander is used for separation, a metal mesh board frame filter and a polypropylene felt board frame filter are additionally arranged at the front and back of a butterfly separator respectively, so that while the filtering effect is ensured, the problems are solved that thin glue contains a large number of impurities, has very high number of particles and is not conducive to repeated use, andthe butterfly separator is frequently repaired in the prior art.

Description

Technical field [0001] The invention belongs to the technical field of viscose production in the textile industry, and specifically relates to a waste glue sand removal process and system. Background technique [0002] At present, the yellowing process is one of the important production links in the viscose production industry, and the yellowing process requires the addition of lye to dissolve it. In the production process of viscose staple fiber, KKF and frame filter will produce a lot of waste glue. Waste glue contains a large amount of lye. The purified thin glue of waste glue can replace lye and join the yellowing process for dissolution, thereby reducing waste, reducing production costs, reducing waste rubber efflux, and reducing environmental protection pressure. [0003] However, thin glue contains a lot of impurities and the number of particles is too high to be used directly. Therefore, deep optimization of thin glue before putting it into the production process is a probl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F13/02B01D36/00
CPCB01D36/00D01F13/02Y02P70/62
Inventor 李殿洪黄艺陈建伟周阳李元江庞拥军
Owner YIBIN GRACE
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