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CN-224220952-U - High-efficient high accuracy combination formula liquid-solid separation system

CN224220952UCN 224220952 UCN224220952 UCN 224220952UCN-224220952-U

Abstract

The utility model discloses a high-efficiency high-precision combined liquid-solid separation system, which comprises a pretreatment system, a membrane separation system and a slurry recovery system, wherein the pretreatment system comprises a liquid-solid micro-cyclone liquid separator, raw liquid enters the liquid-solid micro-cyclone liquid separator through a raw liquid pump to remove solids and suspended matters, the membrane separation system comprises a security filter and a membrane filter, the pretreated raw liquid sequentially passes through the security filter and the membrane separator to remove impurities, and the slurry recovery system is used for carrying out liquid-solid separation on bottom residues of the liquid-solid micro-cyclone separator, the security filter and the membrane filter. The membrane can be repeatedly cleaned and regenerated for use, the service life is as long as 3-4 years, the consumption cost is reduced, the membrane separation adopts a cross flow operation mode, the pollution blocking problem can be solved, the cleaning is convenient, the separation precision and efficiency are high, the separation effect is good, the system flux is large, the occupied area is small, and the investment of hardware facilities can be reduced.

Inventors

  • WANG GUOXING
  • CHEN YOUJUN
  • SONG QIANQIAN

Assignees

  • 南京苏夏设计集团股份有限公司

Dates

Publication Date
20260512
Application Date
20250529

Claims (6)

  1. 1. The utility model provides a high-efficient high accuracy combination formula liquid-solid separation system, its characterized in that, includes pretreatment systems, membrane separation system and sediment thick liquid recovery system, pretreatment systems includes liquid-solid little cyclone (1), and the stoste gets into liquid-solid little cyclone (1) through former liquid pump (2) and gets into solid and suspended solid, membrane separation system includes cartridge filter (3) and membrane filter (4), and the stoste after the pretreatment passes through cartridge filter (3) and membrane separator in proper order and holds back the removal impurity, sediment thick liquid recovery system is used for carrying out the liquid-solid separation with the bottom residue of liquid-solid little cyclone, cartridge filter (3) and membrane filter (4).
  2. 2. The high-efficiency high-precision combined liquid-solid separation system according to claim 1, wherein the pretreatment system further comprises a raw liquid tank (5), the output end of the raw liquid tank (5) is connected with the input end of a solid-micro cyclone liquid separator, and the output end of the solid-micro cyclone liquid separator is connected with a filtrate tank (6).
  3. 3. The high-efficiency high-precision combined liquid-solid separation system according to claim 1, wherein the membrane separation system further comprises a regeneration waste liquid tank (7), a clear liquid tank (8) and a regeneration liquid tank (9), the output end of the membrane filter (4) is respectively connected with the input ends of the regeneration waste liquid tank (7) and the clear liquid tank (8), and the regeneration liquid tank (9) circulate and flow cleaning liquid in the membrane separation system through a circulating pump (10) so as to enable the cleaning liquid to be fully contacted with the surface of the membrane.
  4. 4. The high-efficiency high-precision combined liquid-solid separation system according to claim 3, wherein the output end of the clear liquid tank (8) is used for guiding out pure solution through a clear liquid pump (11).
  5. 5. The high-efficiency high-precision combined liquid-solid separation system according to claim 2, wherein the output end of the filtrate tank (6) is connected with the input end of the cartridge filter (3) through a filter feed pump (12).
  6. 6. The high-efficiency high-precision combined liquid-solid separation system according to claim 2, wherein the slurry recovery system comprises a centrifuge (13), the bottom residue output ends of the liquid-solid micro cyclone separator, the cartridge filter (3) and the membrane filter (4) are connected with the input end of the centrifuge (13), and the output end of the centrifuge (13) is connected with the input end of the raw liquid tank (5).

Description

High-efficient high accuracy combination formula liquid-solid separation system Technical Field The utility model particularly relates to a high-efficiency high-precision combined liquid-solid separation system. Background The liquid-solid separation is a process of separating liquid and solid particles from a mixture, and has wide application in various fields such as chemical industry, food, pharmacy, environmental protection and the like. At present, separation methods such as sedimentation separation, filtration separation and centrifugal separation are generally adopted, the system flux of the separation methods is small, large area is required to be occupied, the separation precision and efficiency are low, and the effect is poor. Disclosure of utility model The utility model aims to provide a high-efficiency high-precision combined liquid-solid separation system so as to solve the problems in the background technology. The utility model provides a high-efficiency high-precision combined liquid-solid separation system, which comprises a pretreatment system, a membrane separation system and a slurry recovery system, wherein the pretreatment system comprises a liquid-solid micro-cyclone separator, raw liquid enters the liquid-solid micro-cyclone separator through a raw liquid pump to remove solids and suspended matters, the membrane separation system comprises a security filter and a membrane filter, the pretreated raw liquid sequentially passes through the security filter and the membrane separator to remove impurities, and the slurry recovery system is used for carrying out liquid-solid separation on bottom residues of the liquid-solid micro-cyclone separator, the security filter and the membrane filter. Preferably, the pretreatment system further comprises a raw liquid tank, wherein the output end of the raw liquid tank is connected with the input end of the solid-micro cyclone liquid separator, and the output end of the solid-micro cyclone liquid separator is connected with a liquid filtering tank. Preferably, the membrane separation system further comprises a regeneration waste liquid tank, a cleaning solution tank and a regeneration liquid tank, wherein the output end of the membrane filter is respectively connected with the input ends of the regeneration waste liquid tank and the cleaning solution tank, and the regeneration liquid tank circularly flow cleaning solution in the membrane separation system through a circulating pump so that the cleaning solution is fully contacted with the surface of the membrane. Preferably, the clear liquid tank output end is used for guiding out the pure solution through a clear liquid pump. Preferably, the filtrate tank output is connected to a cartridge filter input via a filter feed pump. Preferably, the slurry recovery system comprises a centrifuge, wherein the bottom residue output ends of the liquid-solid micro cyclone separator, the cartridge filter and the membrane filter are connected with the input end of the centrifuge, and the output end of the centrifuge is connected with the input end of the raw liquid tank. The high-efficiency high-precision combined liquid-solid separation system has the technical effects and advantages that solid particles and suspended matters with the diameter of more than 7-25 mu m and ‌ ‌ mu m can be removed by taking liquid-solid micro-cyclone separation as primary filtration, the solid particles with the diameter of more than 1 mu m can be removed by secondary filtration, the load of membrane filtration is lightened, so that the investment cost of a membrane assembly can be reduced, the service period of the membrane can be prolonged, the running cost can be reduced, the membrane can be repeatedly cleaned and regenerated for use, the service life is as long as 3-4 years, the consumption cost is reduced, the cross-flow running mode is adopted for membrane separation, the pollution and blockage problems can be solved, the cleaning is convenient, the separation precision and efficiency are high, the separation effect is good, the system flux is large, the occupied area is small, and the investment of hardware facilities can be reduced. Drawings FIG. 1 is a process flow diagram of the present utility model; FIG. 2 is a schematic view of a membrane filter according to the present utility model; FIG. 3 is a schematic diagram of a liquid-solid micro cyclone separator according to the present utility model. In the figure, 1, a liquid-solid micro-cyclone liquid separator, 2, a raw liquid pump, 3, a cartridge filter, 4, a membrane filter, 5, a raw liquid tank, 6, a filtrate tank, 7, a regeneration waste liquid tank, 8, a clear liquid tank, 9, a regeneration liquid tank, 10, a circulating pump, 11, a clear liquid pump, 12, a filter feeding pump, 13, a centrifugal machine, 14, a first shell upper partition plate, 15, a first shell lower partition plate, 16, a first shell, 17, a filter core, 18, a second shell upper partition plate, 19,