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High-efficiency lanolin recovering method and device

A recovery method and technology of a recovery device are applied in the field of high-efficiency lanolin recovery, which can solve the problems of large loss of lanolin, low extraction rate, and inability to perform good control, and achieve the effects of reducing the amount of loss and improving the extraction rate.

Active Publication Date: 2011-04-13
CSSC NANJING LUZHOU ENVIRONMENT PROTECTION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above items 1, 3 and 4 of this method still cannot be well con...

Method used

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  • High-efficiency lanolin recovering method and device
  • High-efficiency lanolin recovering method and device
  • High-efficiency lanolin recovering method and device

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Comparison scheme
Effect test

Embodiment 1

[0026] Present embodiment is a kind of high-efficiency lanolin recovery method, carries out according to the following steps:

[0027] (1) After the wool scouring wastewater containing lanolin is dehaired, the demulsification, cooking and desilting treatment are completed alternately in the cooking box. The lanolin-containing wastewater first adds a demulsifier in the inlet pipe, and then completes the swirling washing process, cooking process and precipitation process in the cooking tank; the swirling washing process is completed by tangential jet or cyclone; the cooking process uses steam cooking, Raise the scouring wastewater to 70°C; the sedimentation process is to settle the scouring wastewater for 30 minutes after cooking, and the sedimented sand is discharged regularly. The silt in the scouring wastewater has a high viscosity, and high-speed centrifugal separation technology cannot make them completely. Separation, through the swirling flow, the mud and sand can be effe...

Embodiment 2

[0033] Present embodiment is a kind of high-efficiency lanolin recovery method, carries out according to the following steps:

[0034] (1) After the wool scouring wastewater containing lanolin is dehaired, the demulsification, cooking and desilting treatment are completed alternately in the cooking box. The lanolin-containing wastewater first adds a demulsifier in the inlet pipe, and then completes the swirling washing process, cooking process and precipitation process in the cooking tank; the swirling washing process is completed by tangential jet or cyclone; the cooking process uses steam cooking, Raise the scouring wastewater to 80°C; the precipitation process is to settle the scouring wastewater for 35 minutes after cooking, and the sedimented sand is discharged regularly. The silt in the scouring wastewater has a high viscosity, and high-speed centrifugal separation technology cannot make them completely. Separation, through the swirling flow, the mud and sand can be effe...

Embodiment 3

[0039] Present embodiment is a kind of high-efficiency lanolin recovery method, carries out according to the following steps:

[0040] (1) After the wool scouring wastewater containing lanolin is dehaired, the demulsification, cooking and desilting treatment are completed alternately in the cooking box. The lanolin-containing wastewater is firstly added with a demulsifier in the water inlet pipe, and then the swirling process, cooking process and precipitation process are completed in the cooking tank; the swirling process is completed by tangential jet or cyclone; the cooking process uses steam cooking, so that the washing The wool wastewater is raised to 90°C; the sedimentation process is to settle the wool scouring wastewater for 40 minutes after cooking, and the sedimented sand is discharged regularly. The mud and sand in the wool scouring wastewater are highly viscous and cannot be completely separated by high-speed centrifugal separation technology. Through the swirling ...

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Abstract

The invention belongs to the field of lanolin recovery in wool washing industry, in particular to a high-efficiency lanolin recovering method and a high-efficiency lanolin recovering device. The method comprises the following steps of: performing wool-removing treatment on lanolin-containing wool washing wastewater, and alternately finishing demulsifying, boiling, desilting and other technical processes in a multifunctional boiling box; finishing the processes of lanolin capturing, primary concentration of lanolin and high-level concentration of the lanolin through a three-level butterfly type centrifugal separation stage; and finally barreling the finished lanolin. The lanolin is extracted from the wool washing wastewater, waste materials are changed into valuable things, and the loss of the lanolin can be greatly reduced. Therefore, the extraction ratio of the lanolin is greatly improved, and the high requirement on pollutant emission in the wastewater is reduced.

Description

technical field [0001] The invention belongs to the field of lanolin recovery in the wool scouring industry, in particular to a high-efficiency lanolin recovery method and device for wool scouring wastewater. Background technique [0002] The wool scouring industry is a sub-industry of the wool spinning industry. The scale of the industry is relatively small, but the high concentration pollution of wool scouring wastewater has caused headaches for people in the industry. In recent years, with the further deepening of reform and opening up, wool scouring projects in many countries have been transferred to China, which has greatly increased the environmental pressure of water pollution in China. In response to the above reasons, the country has also issued some relevant policies and taken some measures, such as improving the discharge standards of wastewater and so on. After a long-term technical and economic feasibility analysis and research, the applicant found that the pol...

Claims

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Application Information

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IPC IPC(8): C11B11/00C02F9/10
CPCY02W30/74
Inventor 张敏陈明龙
Owner CSSC NANJING LUZHOU ENVIRONMENT PROTECTION CO LTD
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