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Device for simultaneously producing surface layer waterproof agent and core layer waterproof agent of shaving board and method for preparing surface layer waterproof agent and core layer waterproof agent of shaving board

A technology of waterproofing agent and particleboard, which is applied in the direction of flat products, mechanical equipment, household components, etc., and can solve the problems of reducing the production process of particleboard, unsatisfactory waterproofing effect of waterproofing agent, and high requirements for system control

Pending Publication Date: 2019-07-12
ZHAOQING LIHE TECH DEV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the waterproof effect of the paraffin emulsion water repellent in the prior art is not ideal, and the system control requirements are high
And at present, in the production process of particleboard, the surface layer and the core layer of the particleboard have different requirements for the water content of the waterproofing agent, and the waterproofing agent needs to be applied to the surface layer and the core layer respectively. How to prepare the waterproofing agent for the surface layer and the core layer at the same time, and reduce production The production process of particleboard has no relevant records in the prior art

Method used

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  • Device for simultaneously producing surface layer waterproof agent and core layer waterproof agent of shaving board and method for preparing surface layer waterproof agent and core layer waterproof agent of shaving board
  • Device for simultaneously producing surface layer waterproof agent and core layer waterproof agent of shaving board and method for preparing surface layer waterproof agent and core layer waterproof agent of shaving board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] Add lignosulfonate aqueous solution with a mass concentration of 50% into metering tank 1-3, heat to 90°C, and set aside;

[0081] Add liquid paraffin into the metering tank 1-1, heat to 90°C, and set aside;

[0082] After controlling the lignosulfonate aqueous solution and liquid paraffin to pass through a pipeline type multistage homogeneous pump 6-1 with a mass ratio of 1:20 at a rate of 10,000 rpm for shearing and mixing, pass through a three-way valve 5 -6 The water repellent obtained is pumped into the surface layer storage tank 1-5 and the core layer storage tank 1-4 respectively;

[0083] The waterproof agent in the core layer storage tank 1-4 is directly transported by the hydraulic diaphragm metering pump 4-5 to obtain a particleboard core layer waterproof agent with a solid content of 65%, and is directly applied to the preparation process of the particleboard core layer;

[0084] Dilute the waterproofing agent in the surface storage tank 1-5 with the hot wa...

Embodiment 2

[0087] Add lignosulfonate aqueous solution with a mass concentration of 45% into metering tank 1-3, heat to 90°C, and set aside;

[0088] Add liquid paraffin into the metering tank 1-1, heat to 90°C, and set aside;

[0089] After controlling the lignosulfonate aqueous solution and liquid paraffin to pass through a pipeline type multistage homogeneous pump 6-1 with a mass ratio of 1:20 at a rate of 10,000 rpm for shearing and mixing, pass through a three-way valve 5 -6 The water repellent obtained is pumped into the surface layer storage tank 1-5 and the core layer storage tank 1-4 respectively;

[0090] The waterproof agent in the core layer storage tank 1-4 is directly transported by the hydraulic diaphragm metering pump 4-5 to obtain a particleboard core layer waterproof agent with a solid content of 60%, and is directly applied to the preparation process of the particleboard core layer;

[0091] Dilute the waterproofing agent in the surface storage tank 1-5 with the hot wa...

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Abstract

The invention relates to the technical field of shaving board waterproof agents, in particular to a device for simultaneously producing a surface layer waterproof agent and a core layer waterproof agent of a shaving board and a method for preparing the surface layer waterproof agent and the core layer waterproof agent of the shaving board. According to the device for simultaneously producing the surface layer waterproof agent and the core layer waterproof agent of the shaving board, the device is simple in structure, and on-line continuous production of the surface layer waterproof agent and the core layer waterproof agent of the shaving board can be realized without using expensive parts.

Description

technical field [0001] The invention relates to the technical field of particleboard waterproofing agent, in particular to a device for simultaneously producing particleboard surface layer and core layer waterproofing agent and a method for preparing the particleboard waterproofing agent. Background technique [0002] Wood particleboard is a kind of board made of large wood shavings (core layer) and wood fine shavings (surface layer) and applied with urea-formaldehyde resin or other synthetic resins under heat and pressure. Because the wood particle board board is very easy to absorb water, the urea-formaldehyde resin is poor in water resistance, so it will swell after being soaked in water. In summer, the temperature is high and the humidity is high, and it is easy to mold. In view of the above-mentioned defects of the wood particle board, the manufacturer needs to use a waterproofing agent in the production process. [0003] At present, the commonly used waterproofing ag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D1/08F17D3/01B27N3/00
CPCF17D1/08F17D3/01B27N3/00
Inventor 鲍洪玲齐振宇
Owner ZHAOQING LIHE TECH DEV
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