CN212713107U - High salt waste water recycling device - Google Patents
High salt waste water recycling device Download PDFInfo
- Publication number
- CN212713107U CN212713107U CN202021246824.4U CN202021246824U CN212713107U CN 212713107 U CN212713107 U CN 212713107U CN 202021246824 U CN202021246824 U CN 202021246824U CN 212713107 U CN212713107 U CN 212713107U
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- storage tank
- mixing box
- condenser
- evaporator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a high-salinity wastewater recycling device, which comprises a mixing box, wherein the upper part of the mixing box is provided with a high-salinity wastewater inlet, the lower part of the mixing box is connected with a micro-filtration membrane through a mixing feed pump and a valve, the other end of the micro-filtration membrane is arranged at the middle part of an evaporator, the bottom of the evaporator is provided with a nitrogen inlet, the nitrogen inlet is connected with a nitrogen storage tank through a nitrogen compressor, the upper part of the nitrogen storage tank is connected with the top of the evaporator, the nitrogen storage tank is also provided with a nitrogen source, the evaporator is internally provided with a gas distributor, a material outlet is arranged between the gas distributor and the nitrogen inlet, the material outlet is connected with a condenser, the condenser is provided with a cooling liquid outlet, the cooling liquid outlet is also connected with a centrifugal machine, the upper part of the evaporator is also provided with a, the other end is connected with the mixing box; the utility model has the advantages of good purifying effect, low processing cost and quick recovery.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to high salt waste water retrieval and utilization device.
Background
The high-concentration salt-containing wastewater is one of the common wastewater in the industrial production process, and the direct discharge of the high-concentration salt-containing wastewater can cause serious pollution to soil and water sources, so the high-concentration salt-containing wastewater needs to be recycled and treated, at present, the treatment technology of the high-concentration salt-containing wastewater has the characteristic of high cost or secondary pollution, the existing high-concentration salt-containing wastewater can often pass through a membrane module to complete nanofiltration and reverse osmosis treatment so as to obtain usable purified water, but the existing chemical method can only treat COD (chemical oxygen demand), partial ions and organic matters, but can not effectively remove salts in the high-salt wastewater, and the conventional physicochemical method is adopted for treatment, so the investment is large, the operating cost is high, and the expected purification effect is difficult to achieve; therefore, it is very necessary to provide a high-salinity wastewater recycling device which has good purification effect, low treatment cost and can be rapidly recycled.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a high-salinity wastewater recycling device which has good purifying effect, low treatment cost and can be rapidly recycled.
The purpose of the utility model is realized like this: a high-salinity wastewater recycling device comprises a mixing tank, wherein the upper part of the mixing tank is provided with a high-salinity wastewater inlet, the lower part of the mixing tank is connected with a micro-filtration membrane through a mixing feed pump and a valve, the other end of the micro-filtration membrane is arranged in the middle of the evaporator, the bottom of the evaporator is provided with a nitrogen inlet, the nitrogen inlet is connected with a nitrogen storage tank through a nitrogen compressor, the upper part of the nitrogen storage tank is also connected with the top of the evaporator, a nitrogen source is also arranged on the nitrogen storage tank, a gas distributor is also arranged in the evaporator, a material outlet is arranged between the gas distributor and the nitrogen inlet, the material outlet is connected with a condenser, a cooling liquid outlet is arranged on the condenser, the cooling liquid outlet is also connected with a centrifugal machine, the evaporimeter upper portion still is provided with the mist export, mist export one end is connected with the nanofiltration membrane, and the other end is connected with the mixing box.
A condenser discharge pump and a valve are arranged between the condenser and the centrifuge.
A steam discharge pump and a valve are arranged between the mixed gas outlet and the nanofiltration membrane.
One end of the nitrogen compressor is connected with a nitrogen outlet of the nitrogen storage tank, and the other end of the nitrogen compressor is also connected with a recovery valve in the middle of the nitrogen storage tank.
The aperture of the nanofiltration membrane is 1-1.5nm, divalent ions in the solution are intercepted, and the nanofiltration membrane is made of one of polyamide, polyimide, cellulose acetate, sulfonated polysulfone, sulfonated polyether sulfone or polyvinyl alcohol.
The pore diameter of the micro-filtration membrane is 0.1-0.3 μm, and the COD and suspended substances in the solution are intercepted.
The high-salinity wastewater recycling process comprises the following steps:
step 1): conveying the high-salinity wastewater liquid into a mixing box, wherein the mixing box comprises a motor, a stirring shaft and stirring blades, the motor is installed on the mixing box, an output shaft of the motor is connected with the stirring shaft through a coupler, the stirring shaft runs through the top end of the mixing box and extends to the lower end of the mixing box, and the stirring blades are installed at the bottom end of the stirring shaft;
step 2): the uniformly stirred high-salinity wastewater liquid is conveyed to a microfiltration membrane through a mixed feeding pump, and the microfiltration membrane can intercept COD (chemical oxygen demand) and suspended matters in the solution;
step 3): then the pure water vapor is conveyed into an evaporator, and the pure water vapor in the evaporator moves to the top of the evaporator under the drive of nitrogen and is discharged through a mixed gas outlet;
step 4): condensing the residual liquid at the bottom of the evaporator by a condenser, conveying the condensed residual liquid to a centrifugal machine for re-separation, and discharging high-concentration salt-containing residues;
step 5): the top of the evaporation tower can also be provided with a gas collector, nitrogen is separated and collected at the top of the tower and returns to a nitrogen storage tank, and the nitrogen is circularly pumped back to the evaporator through a nitrogen compressor;
step 6): water vapor discharged from the mixed gas outlet: one path is removed from the mixing box, and the other path is removed from a small amount of residual ion impurities in the gas through a nanofiltration membrane.
The utility model has the advantages that: the utility model discloses mix the stirring with high salt waste water liquid earlier, get rid of the great and COD impurity of granule in the liquid through the microfiltration membrane, evaporate through the evaporimeter again, evaporation partial vapor, and discharge vapor through inert gas nitrogen gas, prevent that high salt waste water from reacting with the air emergence under the high temperature condition, the residual waste water liquid that the concentration is higher in the evaporimeter bottom, discharge waste water to the condensation in the condenser, waste water after the condensation further separates through centrifuge again, will thoroughly separate the high salt composition in the waste water, carry out centralized processing again, gas mixture export exhaust vapor: one path is removed from the mixing box, and the other path is removed from residual few ionic impurities in the gas through a nanofiltration membrane to obtain purified water resources; the utility model has the advantages of good purifying effect, low processing cost and quick recovery.
Drawings
Fig. 1 is a schematic view of the apparatus and the flow structure of the present invention.
In the figure, the device comprises a mixing box 1, a mixing box 2, a microfiltration membrane 3, an evaporator 4, a gas distributor 5, a condenser 6, a centrifuge 7, a nitrogen storage tank 8, a nitrogen compressor 9, a nanofiltration membrane 10, a mixed feed pump 11, a valve 12, a condenser discharge pump 13, a steam discharge pump 14, a wastewater inlet 15, a wastewater outlet 16, a material outlet 17, a cooling liquid outlet 18, a nitrogen outlet 19, a nitrogen source 20 and a mixed gas outlet.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in figure 1, a high salt waste water recycling device, it includes the mixing box 1, the upper portion of the mixing box 1 sets up the high salt waste water import, the lower portion of the mixing box 1 is connected with the micro-filtration membrane 2 through the mixing feed pump 10 and the valve 11, the other end of the micro-filtration membrane 2 is arranged in the middle of the evaporator 3, the bottom of the evaporator 3 is provided with the nitrogen inlet, the nitrogen inlet is connected with the nitrogen storage tank 7 through the nitrogen compressor 8, the upper portion of the nitrogen storage tank 7 is also connected with the top of the evaporator 3, the nitrogen storage tank 7 is also provided with the nitrogen source 19, the evaporator 3 is also internally provided with the gas distributor 4, a material outlet 16 is arranged between the gas distributor 4 and the nitrogen inlet, the material outlet 16 is connected with the condenser 5, the condenser 5 is provided with the cooling liquid outlet 17, the cooling liquid outlet 17 is also connected with the centrifuge 6, the upper portion of the evaporator, and one end of the mixed gas outlet 20 is connected with the nanofiltration membrane 9, and the other end of the mixed gas outlet is connected with the mixing box 1.
The method comprises the following steps when in re-application: step 1): conveying the high-salinity wastewater liquid into a mixing box, wherein the mixing box comprises a motor, a stirring shaft and stirring blades, the motor is installed on the mixing box, an output shaft of the motor is connected with the stirring shaft through a coupler, the stirring shaft runs through the top end of the mixing box and extends to the lower end of the mixing box, and the stirring blades are installed at the bottom end of the stirring shaft;
step 2): the uniformly stirred high-salinity wastewater liquid is conveyed to a microfiltration membrane through a mixed feeding pump, and the microfiltration membrane can intercept COD (chemical oxygen demand) and suspended matters in the solution;
step 3): then the pure water vapor is conveyed into an evaporator, and the pure water vapor in the evaporator moves to the top of the evaporator under the drive of nitrogen and is discharged through a mixed gas outlet;
step 4): condensing the residual liquid at the bottom of the evaporator by a condenser, conveying the condensed residual liquid to a centrifugal machine for re-separation, and discharging high-concentration salt-containing residues;
step 5): the top of the evaporation tower can also be provided with a gas collector, nitrogen is separated and collected at the top of the tower and returns to a nitrogen storage tank, and the nitrogen is circularly pumped back to the evaporator through a nitrogen compressor;
step 6): water vapor discharged from the mixed gas outlet: one path is removed from the mixing box, and the other path is removed from a small amount of residual ion impurities in the gas through a nanofiltration membrane.
Example 2
As shown in figure 1, a high salt waste water recycling device, it includes the mixing box 1, the upper portion of the mixing box 1 sets up the high salt waste water import, the lower portion of the mixing box 1 is connected with the micro-filtration membrane 2 through the mixing feed pump 10 and the valve 11, the other end of the micro-filtration membrane 2 is arranged in the middle of the evaporator 3, the bottom of the evaporator 3 is provided with the nitrogen inlet, the nitrogen inlet is connected with the nitrogen storage tank 7 through the nitrogen compressor 8, the upper portion of the nitrogen storage tank 7 is also connected with the top of the evaporator 3, the nitrogen storage tank 7 is also provided with the nitrogen source 19, the evaporator 3 is also internally provided with the gas distributor 4, a material outlet 16 is arranged between the gas distributor 4 and the nitrogen inlet, the material outlet 16 is connected with the condenser 5, the condenser 5 is provided with the cooling liquid outlet 17, the cooling liquid outlet 17 is also connected with the centrifuge 6, the upper portion of the evaporator, and one end of the mixed gas outlet 20 is connected with the nanofiltration membrane 9, and the other end of the mixed gas outlet is connected with the mixing box 1.
A condenser discharge pump 12 and a valve 11 are arranged between the condenser 5 and the centrifuge 6, a steam discharge pump 13 and a valve 11 are arranged between a mixed gas outlet 20 and the nanofiltration membrane 9, one end of a nitrogen compressor 8 is connected with a nitrogen outlet 18 of the nitrogen storage tank 7, the other end of the nitrogen compressor is also connected with a recovery valve in the middle of the nitrogen storage tank 7, the aperture of the nanofiltration membrane 9 is 1-1.5nm, divalent ions in the solution are intercepted, the nanofiltration membrane 9 is made of one of polyamide, polyimide, cellulose acetate, sulfonated polysulfone, sulfonated polyether sulfone or polyvinyl alcohol, the hollow aperture of the microfiltration membrane 2 is 0.1-0.3 mu m, and COD and suspended matters in the solution are intercepted.
The utility model discloses mix the stirring earlier with high salt waste water liquid, get rid of the great and COD impurity of granule in the liquid through microfiltration membrane 2, evaporate through evaporimeter 3 again, evaporation partial vapor, and discharge vapor through inert gas nitrogen gas, prevent that high salt waste water from reacting with the air emergence under the high temperature condition, the residual higher waste water liquid of concentration in evaporimeter 3 bottom, discharge waste water to condenser 5 in the condensation, waste water after the condensation further separates through centrifuge 6 again, will thoroughly separate the high salt composition in the waste water, carry out centralized processing again, mixed gas export 20 exhaust vapor: one path is removed from the mixing box 1, and the other path is removed from residual few ionic impurities in the gas through a nanofiltration membrane 9 to obtain purified water resources; the utility model has the advantages of good purifying effect, low processing cost and quick recovery.
Claims (6)
1. The utility model provides a high salt waste water retrieval and utilization device, it includes the mixing box, its characterized in that: mixing box upper portion sets up the high salt waste water import, and the mixing box lower part is connected with the microfiltration membrane through mixing charge pump and valve, the microfiltration membrane other end sets up at the evaporimeter middle part, the evaporimeter bottom is provided with the nitrogen gas source, and the nitrogen gas import links to each other with the nitrogen gas storage tank through nitrogen compressor, nitrogen gas storage tank upper portion still is connected with the evaporimeter top, still is provided with the nitrogen gas import on the nitrogen gas storage tank, the inside gas distributor that still is provided with of evaporimeter is provided with the material export between gas distributor and the nitrogen gas import, the material export is connected with the condenser, be provided with the coolant liquid export on the condenser, the coolant liquid export still is connected with centrifuge, evaporimeter upper portion still is provided with the mist outlet, mist outlet one end is connected with the nanofiltration membrane, and the other end.
2. The high-salinity wastewater recycling device according to claim 1, characterized in that: and a condenser discharge pump and a valve are arranged between the condenser and the centrifugal machine.
3. The high-salinity wastewater recycling device according to claim 1, characterized in that: and a steam discharge pump and a valve are arranged between the mixed gas outlet and the nanofiltration membrane.
4. The high-salinity wastewater recycling device according to claim 1, characterized in that: one end of the nitrogen compressor is connected with a nitrogen outlet of the nitrogen storage tank, and the other end of the nitrogen compressor is connected with a recovery valve in the middle of the nitrogen storage tank.
5. The high-salinity wastewater recycling device according to claim 1, characterized in that: the aperture of the nanofiltration membrane is 1-1.5nm, divalent ions in the solution are intercepted, and the nanofiltration membrane is made of one of polyamide, polyimide, cellulose acetate, sulfonated polysulfone, sulfonated polyether sulfone or polyvinyl alcohol.
6. The high-salinity wastewater recycling device according to claim 1, characterized in that: the aperture of the micro-filtration membrane is 0.1-0.3 μm, and COD and suspended substances in the solution are intercepted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021246824.4U CN212713107U (en) | 2020-07-01 | 2020-07-01 | High salt waste water recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021246824.4U CN212713107U (en) | 2020-07-01 | 2020-07-01 | High salt waste water recycling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212713107U true CN212713107U (en) | 2021-03-16 |
Family
ID=74963734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021246824.4U Active CN212713107U (en) | 2020-07-01 | 2020-07-01 | High salt waste water recycling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212713107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118156559A (en) * | 2024-05-11 | 2024-06-07 | 武汉船用电力推进装置研究所(中国船舶集团有限公司第七一二研究所) | Nitrogen supply device and method for fuel cell in enclosed space |
-
2020
- 2020-07-01 CN CN202021246824.4U patent/CN212713107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118156559A (en) * | 2024-05-11 | 2024-06-07 | 武汉船用电力推进装置研究所(中国船舶集团有限公司第七一二研究所) | Nitrogen supply device and method for fuel cell in enclosed space |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101016175B (en) | Method of eliminating magnesium sulfate from magnesium sulfate containing waste water solution | |
| CN106986490B (en) | Process and device for recycling and treating industrial production wastewater of carboxylic ester | |
| CN101664642A (en) | Device and method for air-blowing vacuum membrane distillation | |
| WO2018126651A1 (en) | Evaporation, crystallization and drying integrated device and evaporation crystallization drying method | |
| CN212713107U (en) | High salt waste water recycling device | |
| CN112028363A (en) | Stable salt separation system and method for high-salt-content wastewater | |
| CN114180766B (en) | Source separation urine processing system and method | |
| CN113548747A (en) | Coal chemical industry salt-containing sewage treatment system and method | |
| CN109516589B (en) | Process for treating coking wastewater by membrane method | |
| CN101870639A (en) | Method for producing kelp mannitol with low energy consumption | |
| KR20190138975A (en) | Liquefied fertilizer purification apparatus using porous ceramic membrane | |
| CN1090982C (en) | Continuous stirring vacuum sodium sulfate crystallization technology | |
| CN113277665A (en) | Method and device for treating high-concentration high-salinity wastewater through electrolytic evaporation | |
| CN101503257B (en) | Method and apparatus for recovering and treating ammonium nitrate condensate liquid wastewater | |
| CN108483710B (en) | Comprehensive seawater utilization method and system | |
| CN116040826B (en) | Treatment method and treatment system for coal chemical industry mixed salt mother liquor | |
| CN213327154U (en) | High-salt organic pollution wastewater treatment device system | |
| CN106430771B (en) | salt separation system and salt separation method | |
| CN214004476U (en) | NMP device is refine in pervaporation membrane separation | |
| CN212292927U (en) | Forward osmosis membrane concentration system for treating landfill leachate | |
| CN103193295A (en) | Immersed dissolved gas vacuum membrane distillation water processing method | |
| CN112439320A (en) | Method for separating and refining NMP (N-methyl pyrrolidone) by using pervaporation membrane | |
| CN113620490A (en) | Recycling process system for treating nitrogen and phosphorus-containing wastewater | |
| KR20200101663A (en) | Equipment capable of filtering of livestock wastewater and cleaning of membrane | |
| CN215208938U (en) | Anthraquinone wastewater treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |