Search

CN-224212527-U - Sodium methoxide wastewater purification system

CN224212527UCN 224212527 UCN224212527 UCN 224212527UCN-224212527-U

Abstract

The utility model relates to an industrial wastewater treatment technology, and discloses a sodium methoxide wastewater purification system which comprises a sodium methoxide wastewater temporary storage tank, a filter, an adsorption purifier, a thin film evaporator and a three-stage separation system, wherein the sodium methoxide wastewater temporary storage tank is connected with the filter, the filter is connected with the adsorption purifier, the adsorption purifier is connected with a solvent adjusting tank, the solvent adjusting tank is connected with the thin film evaporator, the thin film evaporator is connected with the three-stage separation system, the thin film evaporator comprises a vacuum thin film evaporator and a rotary scraper type thin film evaporator, the rotary scraper type thin film evaporator is connected with a condenser, the condenser is connected with a condensate recovery tank, the condensate recovery tank is connected with a circulating pipe, a horizontal spiral discharge centrifuge of the three-stage separation system is connected with the rotary scraper type thin film evaporator, the horizontal spiral discharge centrifuge is connected with a pressurizing leaf filter, the pressurizing leaf filter is connected with a vacuum belt filter, the vacuum belt filter is connected with a vacuum microwave dryer, and the vacuum microwave dryer is connected with a cooling tank.

Inventors

  • XU YU

Assignees

  • 宁夏佰斯特医药化工有限公司

Dates

Publication Date
20260508
Application Date
20250403

Claims (8)

  1. 1. The sodium methoxide wastewater purification system is characterized by comprising a sodium methoxide wastewater temporary storage tank (1), a filter (2), an adsorption purifier, a thin film evaporator and a three-stage separation system (9), wherein the sodium methoxide wastewater temporary storage tank (1) is connected with the filter (2) through a pipeline, the filter (2) is connected with the adsorption purifier through a pipeline, the adsorption purifier is connected with a solvent regulating tank (5), a discharge port of the solvent regulating tank (5) is connected with the thin film evaporator, and a discharge port of the thin film evaporator is connected with the three-stage separation system (9) through a pipeline; The thin film evaporator comprises a vacuum thin film evaporator (6) and a rotary scraping plate type thin film evaporator (7), wherein the rotary scraping plate type thin film evaporator (7) is connected with a condenser (8) through a pipeline, a discharge port of the condenser (8) is connected with a condensate recovery tank (10) through a pipeline, and the condensate recovery tank (10) is connected with a circulating material pipe (15) through a pipeline; The three-stage separation system (9) comprises a horizontal spiral discharge centrifuge (901), a pressurizing leaf filter (902) and a vacuum belt filter (903); The discharge gate of rotatory scraper formula film evaporator (7) is through the pipeline connection horizontal spiral discharge centrifuge (901), horizontal spiral discharge centrifuge (901) are connected pressurization leaf filter (902), pressurization leaf filter (902) are connected vacuum belt filter (903), the discharge gate of vacuum belt filter (903) is through the pipeline connection vacuum microwave dryer (12), the discharge gate of vacuum microwave dryer (12) is connected with cooling tank (11).
  2. 2. The sodium methoxide wastewater purification system as claimed in claim 1, wherein the filter (2) comprises a grid (201), a precise filter (202) and a polymer ultrafiltration membrane (203), the sodium methoxide wastewater temporary storage tank (1) is connected with the grid (201), a discharge hole of the grid (201) is connected with the precise filter (202) through a pipeline, a discharge hole of the precise filter (202) is connected with the polymer ultrafiltration membrane (203) through a pipeline, and a discharge hole of the polymer ultrafiltration membrane (203) is connected with the adsorption purifier through a pipeline.
  3. 3. A sodium methoxide wastewater purification system as claimed in claim 2, wherein the adsorption purifier comprises an activated carbon column (3) and an ion exchange resin column (4).
  4. 4. A sodium methoxide wastewater purification system as claimed in claim 2, wherein the grid (201), the precise filter (202) and the polymer ultrafiltration membrane (203) are connected to a waste residue recovery pipe (17) through pipes.
  5. 5. The sodium methoxide wastewater purification system as claimed in claim 1, wherein the bottoms of the horizontal spiral discharge centrifuge (901), the pressurizing leaf filter (902) and the vacuum belt filter (903) are respectively connected with a waste discharge pipe (16), and the waste discharge pipe is connected with the circulating pipe (15).
  6. 6. A sodium methoxide wastewater purification system as claimed in claim 1, wherein the rotary scraper type thin film evaporator (7) is connected with the circulating pipe (15) through a pipeline.
  7. 7. The sodium methoxide wastewater purification system as claimed in claim 1, wherein the vacuum thin film evaporator (6), the rotary scraper thin film evaporator (7), the vacuum microwave dryer (12) and the cooling tank (11) are provided with a pressure sensor (14) and a temperature sensor (13).
  8. 8. The sodium methoxide wastewater purification system as claimed in claim 1, wherein pressure sensors (14) are installed on the horizontal spiral discharge centrifuge (901), the pressurizing leaf filter (902) and the vacuum belt filter (903).

Description

Sodium methoxide wastewater purification system Technical Field The utility model relates to the technical field of industrial wastewater treatment, in particular to a sodium methoxide wastewater purification system. Background Sodium methoxide is an important chemical raw material and is widely applied to the fields of organic, synthetic medicines, pesticides and the like. During the production process, a large amount of wastewater containing sodium methoxide is generated. The waste water contains high concentration sodium methoxide, may be mixed with other organic impurities and inorganic salts, and may be discharged directly to pollute environment. At present, the treatment of sodium methoxide wastewater is mainly concentrated on harmless treatment, and the recycling efficiency of sodium methoxide is lower. In the prior art, the evaporation crystallization method is mostly adopted for recycling sodium methoxide, but the method has high energy consumption and low efficiency, is easy to be interfered by impurities, and is difficult to obtain a sodium methoxide product with high purity. Therefore, it is of great economic and environmental significance to develop a system which is efficient, low in energy consumption and capable of purifying sodium methoxide from wastewater. Disclosure of utility model The application provides a sodium methoxide wastewater purification system, which solves the problems that in the prior art, an evaporation crystallization method is mostly adopted for sodium methoxide recovery, but the method has high energy consumption and low efficiency, is easy to be interfered by impurities, and is difficult to obtain a sodium methoxide product with high purity. The application provides a sodium methoxide wastewater purification system which comprises a sodium methoxide wastewater temporary storage tank, a filter, an adsorption purifier, a thin film evaporator and a three-stage separation system, wherein the sodium methoxide wastewater temporary storage tank is connected with the filter through a pipeline, the filter is connected with the adsorption purifier through a pipeline, the adsorption purifier is connected with a solvent adjusting tank, a discharge hole of the solvent adjusting tank is connected with the thin film evaporator, and a discharge hole of the thin film evaporator is connected with the three-stage separation system through a pipeline; The thin film evaporator comprises a vacuum thin film evaporator and a rotary scraping plate type thin film evaporator, wherein the rotary scraping plate type thin film evaporator is connected with a condenser through a pipeline, a discharge hole of the condenser is connected with a condensate recovery tank through a pipeline, and the condensate recovery tank is connected with a circulating material pipe through a pipeline; The three-stage separation system comprises a horizontal spiral discharge centrifuge, a pressurized leaf filter and a vacuum belt filter; The discharge port of the rotary scraper type thin film evaporator is connected with the horizontal spiral discharge centrifugal machine through a pipeline, the horizontal spiral discharge centrifugal machine is connected with the pressurizing leaf filter, the pressurizing leaf filter is connected with the vacuum belt filter, the discharge port of the vacuum belt filter is connected with the vacuum microwave dryer through a pipeline, and the discharge port of the vacuum microwave dryer is connected with the cooling tank. Preferably, the filter comprises a grid, a precise filter and a high polymer ultrafiltration membrane, wherein the sodium methoxide wastewater temporary storage tank is connected with the grid, a discharge port of the grid is connected with the precise filter through a pipeline, a discharge port of the precise filter is connected with the high polymer ultrafiltration membrane through a pipeline, and a discharge port of the high polymer ultrafiltration membrane is connected with the adsorption purifier through a pipeline. Preferably, the adsorption purifier comprises an activated carbon column and an ion exchange resin column. Preferably, the grid, the precise filter and the high polymer ultrafiltration membrane are connected to a waste residue recovery pipe through pipes. Preferably, the bottoms of the horizontal spiral discharge centrifuge, the pressurizing leaf filter and the vacuum belt filter are all connected with a waste discharge pipe, and the waste discharge pipe is connected with the circulating pipe. Preferably, the rotary scraper type film evaporator is connected with the circulating pipe through a pipeline. Preferably, the vacuum thin film evaporator, the rotary scraper thin film evaporator, the vacuum microwave dryer and the cooling tank are provided with pressure sensors and temperature sensors. Preferably, pressure sensors are arranged on the horizontal spiral discharge centrifuge, the pressurizing leaf filter and the vacuum belt filter. According to the