CN211311148U

CN211311148U - High-difficulty sewage treatment system

Info

Publication number: CN211311148U
Application number: CN201922135021.5U
Authority: CN
Inventors: 梁海臣; 陈自军; 范振兴; 潘志勇; 庞倩; 徐诗翰; 韩文正; 巩丽
Original assignee: Zhonghuan Yimei Environmental Technology Zhejiang Co ltd
Current assignee: Zhonghuan Yimei Environmental Technology Zhejiang Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-21
Anticipated expiration: 2029-12-03

Abstract

The utility model relates to a handle high difficulty sewage system. Including primary treatment bucket, secondary treatment bucket and storage water tank, the storage water tank connection heater, the heater be connected to the host processor through first pipeline and circulating pump, the inside membrane module that sets up perfluor ion exchange non-porous membrane and porous supporter constitution of host processor, the exit end of host processor passes through second pipe connection condenser and header tank, the condenser pass through pipe connection pressure gauge and vacuum pump, the primary treatment bucket in set up the filter, the secondary treatment bucket in set up doser, agitating unit and PH meter, first treatment bucket, second treatment bucket, storage water tank and header tank in set up the level gauge respectively, first pipeline on set up the thermometer, PH meter, level gauge, pressure gauge and thermometer all connect main control unit. The utility model discloses can handle high contaminated waste water, reduce the energy consumption, have better filter effect.

Description

High-difficulty sewage treatment system

Technical Field

The utility model belongs to the technical field of sewage treatment, especially, handle high difficulty sewage system.

Background

The high-difficulty wastewater generally refers to wastewater which is difficult to be biochemically degraded in an industrial production process, and most industrial wastewater belongs to the range of high-difficulty wastewater, and mainly comprises printing and dyeing wastewater, tanning wastewater, papermaking wastewater, electroplating wastewater, semiconductor wastewater, storage chemical wastewater, sodium sulfate wastewater, vanillin wastewater, coking wastewater, metallurgical wastewater, pharmaceutical wastewater, fermentation wastewater and the like. In recent years, with the development of economy, the pollution of chemical wastewater to the environment is aggravated, most of the chemical wastewater discharged in the production process of chemical products is organic pollutants which are complex in structure, poisonous and harmful and difficult to degrade biologically, and the treatment difficulty is high. The environmental protection industry in China starts late, but develops rapidly, and partial industrial wastewater treatment has been successfully applied to domestic and introduced technologies, so that good social and environmental benefits are obtained, but people also clearly see that no or few autonomous knowledge products exist in the treatment process and equipment conditions of high-difficulty wastewater, and the industrial development is limited.

China's attention on sewage treatment starts in 1998, and the treatment capacity is developed from 2,500 million tons in 2000 to 1.42 million tons in 12 years, and the composite speed is increased by 15.4%. Although the sewage treatment industry has gained some promising results through the development of recent 20 years, the high energy consumption and high investment in the conventional sewage treatment and seawater desalination processes are always the pain of the sewage treatment industry. Particularly, in the process of treating high-difficulty waste water, two measures are not good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses shortcoming to prior art exists provides a handle high difficulty sewage system, realizes the separation of mixing the component through the membrane tube distillation, can handle high contaminated waste water, reduces the energy consumption, has better filter effect.

Therefore, the utility model adopts the following technical proposal: the utility model provides a handle high degree of difficulty sewage system, its characterized in that includes the primary treatment bucket, the primary treatment bucket pass through pipe connection secondary treatment bucket, the secondary treatment bucket pass through the pipe connection storage water tank, the storage water tank connection heater, the heater be connected to the host processor through first pipeline and circulating pump, the inside membrane module that sets up perfluor ion exchange non-porous membrane and porous support body constitution of host processor, perfluor ion exchange non-porous membrane seals on the micropore support body with layering or glued mode, the exit end of host processor passes through second pipe connection condenser and water collecting tank, the condenser pass through pipe connection pressure gauge and vacuum pump, the primary treatment bucket in set up the filter, the secondary treatment bucket in set up doser, agitating unit and PH meter, first processing bucket, second processing bucket, The water storage tank and the water collection tank are respectively internally provided with a liquid level meter, the first pipeline is provided with a thermometer, and the PH meter, the liquid level meter, the pressure gauge and the thermometer are all connected with the main controller.

The main controller comprises a display screen for displaying real-time numerical values of the PH meter, the liquid level meter, the pressure meter and the thermometer.

The main controller is connected with an alarm, and the alarm is given when the numerical values monitored by the PH meter, the liquid level meter, the pressure meter and the thermometer exceed the set values.

And a multi-stage filter screen is arranged in the primary treatment barrel for impurity filtration.

The micropore supporting body is formed by sintering ultrahigh molecular weight polyethylene at 230-280 ℃, and is in a round tube shape.

The temperature of water heated by the heater in the first pipeline is 60-75 ℃.

The pressure of the pressure gauge is controlled between 0.075MPa and 0.095 MPa.

The condenser is also provided with a condensed water circulating pipeline.

The beneficial effects of the utility model reside in that: the sewage pretreatment is separated through the primary treatment barrel, and the pH value is adjusted through the secondary treatment barrel, so that high-efficiency guarantee is provided for membrane tube distillation performed by a subsequent main processor. Valves on all pipelines and metering display data are monitored and controlled by the main controller, and fine control management is achieved.

The membrane tube distillation can realize the separation of mixed components, thereby having unique superiority in the field of separation of heat-sensitive substances; the utility model discloses the processing procedure letter , easy to maintain: low-pressure operation, and no need of auxiliary equipment such as a high-pressure water pump. The system is not sensitive to soluble solids, chlorine, low pH values or biological pollution in the wastewater, and does not need a complex pretreatment procedure. The energy consumption is extremely low: the saturated vapor pressure of water rises with the temperature index, so the waste water can be generated without being heated to boiling, and in addition, the residual heat, solar energy and terrestrial heat in the industrial production process can be used as the temperature difference driving force.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, a high-difficulty sewage treatment system comprises a primary treatment barrel 1, wherein the primary treatment barrel is connected with a secondary treatment barrel 2 through a pipeline, the secondary treatment barrel is connected with a water storage tank 3 through a pipeline, the water storage tank is connected with a heater 4, the heater is connected to a main processor 5 through a first pipeline and a circulating pump 15, a membrane assembly 18 consisting of a perfluorinated ion exchange non-porous membrane and a porous support body is arranged inside the main processor, the perfluorinated ion exchange non-porous membrane is sealed on the microporous support body in a pressing strip or gluing mode, the outlet end of the main processor is connected with a condenser 6 and a water collecting tank 7 through a second pipeline, the condenser is connected with a pressure gauge 13 and a vacuum pump 19 through pipelines, a filter is arranged in the primary treatment barrel, a chemical feeder 9, a stirring device 11 and a PH meter 10 are arranged in the secondary treatment barrel, the first treatment barrel, Level meters 8 are respectively arranged in the second treatment barrel, the water storage tank and the water collection tank, a thermometer is arranged on the first pipeline, and the PH meter, the level meter, the pressure meter and the thermometer 12 are all connected with a main controller 14.

The main controller comprises a display screen for displaying real-time numerical values of the PH meter, the liquid level meter, the pressure meter and the thermometer. The main controller is connected with an alarm, and the alarm is given when the values monitored by the PH meter, the liquid level meter, the pressure meter and the thermometer exceed set values. And a multi-stage filter screen is arranged in the primary treatment barrel for impurity filtration. The microporous support body is formed by sintering ultrahigh molecular weight polyethylene at 230-280 ℃, and is in a circular tube shape. The temperature of the water heated by the heater in the first pipeline is 60-75 ℃. The pressure of the pressure gauge is controlled between 0.075MPa and 0.095 MPa. Preferably, the main processor is also connected to a solid liquid separator 16. The condenser is also provided with a condensed water circulating pipeline 17. The condensed water circulating pipeline is connected with a heat exchanger through a pipeline, and the heat exchanger is connected to a water outlet pipeline of the water storage tank.

The utility model discloses the processing flow is as follows: the sewage is filtered by the primary treatment barrel and then enters the secondary treatment barrel to be added with a PH agent for regulation treatment, and is stirred to be uniformly mixed, and the treated sewage enters the water storage tank. The water in the water storage tank enters the main processor after being heated by the heater, the outlet end of the processor is connected with the vacuum pump, so that pressure difference is formed on two sides of the membrane, the pressure difference on two sides of the membrane is used as mass transfer power, the water permeates the membrane in the form of steam at the temperature which does not reach the boiling point, molecules, ions, colloid particles and the like with other sizes are intercepted, and the pure water is obtained through condensation. The data monitored by the valves and the meters on the pipelines of all parts of the system are monitored and controlled by the main controller, so that fine control management is realized.

Compared with other traditional processes (such as reverse osmosis), the vacuum membrane distillation has great advantages, simple equipment, no need of high pressure, power cost saving, fast and convenient operation flow and application in different fields. The method can be used for treating high-salinity wastewater, can also be used for concentrating and crystallizing nonvolatile substances, and can also be used for concentrating and separating volatile substances and the like; the operation temperature of the vacuum membrane distillation process is low, the vacuum membrane distillation process can be operated at the temperature of 50-70 ℃, cheap energy sources such as geothermal energy, industrial waste water waste heat and solar energy can be effectively utilized, the energy consumption is reduced, the quality of outlet water is far higher than the water quality standard of circulating cooling water, the recycling can be realized, and zero discharge becomes possible.

The above description is only an example of the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a handle high degree of difficulty sewage system, its characterized in that includes the primary treatment bucket, the primary treatment bucket pass through pipe connection secondary treatment bucket, the secondary treatment bucket pass through the pipe connection storage water tank, the storage water tank connection heater, the heater be connected to the host processor through first pipeline and circulating pump, the inside membrane module that sets up perfluor ion exchange non-porous membrane and porous support body constitution of host processor, perfluor ion exchange non-porous membrane seals on the micropore support body with layering or glued mode, the exit end of host processor passes through second pipe connection condenser and water collecting tank, the condenser pass through pipe connection pressure gauge and vacuum pump, the primary treatment bucket in set up the filter, the secondary treatment bucket in set up doser, agitating unit and PH meter, primary treatment bucket, secondary treatment bucket, The water storage tank and the water collection tank are respectively internally provided with a liquid level meter, the first pipeline is provided with a thermometer, and the PH meter, the liquid level meter, the pressure gauge and the thermometer are all connected with the main controller.

2. The system of claim 1, wherein the main controller comprises a display screen for displaying real-time values of the PH meter, the level meter, the pressure gauge and the temperature gauge.

3. The system for treating high-difficulty sewage as claimed in claim 2, wherein the main controller is connected with an alarm, and the alarm is given when the values monitored by the PH meter, the liquid level meter, the pressure meter and the thermometer exceed set values.

4. The system for treating high-difficulty sewage according to claim 3, wherein a multi-stage filter screen is arranged in the primary treatment barrel for filtering impurities.

5. A system for treating high difficulty waste water as claimed in claim 4, wherein said microporous support body is made of ultra high molecular weight polyethylene sintered at 230-280 ℃ and has a circular tube shape.

6. The system for treating high difficulty sewage according to claim 5 wherein the temperature of the water heated by the heater in the first pipeline is 60 ℃ to 75 ℃.

7. A system for treating high difficulty waste water according to claim 6 wherein the pressure of said pressure gauge is controlled to be 0.075MPa to 0.095 MPa.

8. A system for treating high level of difficulty in treating contaminated water as claimed in claim 1 wherein said condenser is further provided with a condensate circulation line.