CN211497236U - Novel processing system of thermal power factory desulfurization waste water - Google Patents
Novel processing system of thermal power factory desulfurization waste water Download PDFInfo
- Publication number
- CN211497236U CN211497236U CN201922399028.8U CN201922399028U CN211497236U CN 211497236 U CN211497236 U CN 211497236U CN 201922399028 U CN201922399028 U CN 201922399028U CN 211497236 U CN211497236 U CN 211497236U
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- compartment bipolar
- thermal power
- electrodialysis
- electrodialysis system
- 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
Abstract
The utility model discloses a novel processing system of thermal power factory desulfurization waste water, including reaction tank, depositing reservoir, ceramic membrane, three compartment bipolar membranes, electrodialysis system and reverse osmosis system, reaction tank, depositing reservoir, ceramic membrane, three compartment bipolar membranes link to each other in proper order, the low concentration sodium sulfate solution that three compartment bipolar membranes produced passes through the electrodialysis system and handles, the concentrate backward flow that the electrodialysis system produced is to three compartment bipolar membranes, the desalination liquid that the electrodialysis system produced passes through reverse osmosis system and handles, the reverse osmosis dense water backward flow that reverse osmosis system produced is to the electrodialysis system, through the aforesaid setting, the good function of energy consumption low treatment effect.
Description
Technical Field
The utility model relates to a desulfurization effluent disposal system's technical field, in particular to novel processing system of thermal power factory desulfurization waste water.
Background
The waste water of current thermal power factory passes through the sodium oxide solution that flue gas desulfurization absorption liquid adopted, and the desulfurization waste water that produces behind the flue gas spray absorption tower discharges through following mode: 1. the triple box is directly discharged after the dosing reaction coagulation treatment; 2. firstly, adding chemicals through a triple box, reacting, coagulating, clarifying through a clarification tank, and then discharging; 3. the mixture is subjected to coagulation treatment by a triple box dosing reaction and then concentrated and evaporated by MVR or smoke waste heat.
However, the increasingly severe discharge standard of desulfurization wastewater cannot be met only by arranging the triple box, and near zero emission can be realized by MVR or flue gas evaporation technology, but the difficult problems of high energy consumption, influence on boiler operation coal consumption by extracting high-temperature flue gas, solid waste treatment and the like still exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel processing system of thermal power factory desulfurization waste water, the low function that treatment effect is good of energy consumption.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a novel processing system of thermal power factory desulfurization waste water, includes reaction tank, depositing reservoir, ceramic membrane, three compartment bipolar membranes, electrodialysis system and reverse osmosis system, reaction tank, depositing reservoir, ceramic membrane, three compartment bipolar membranes link to each other in proper order, the low concentration sodium sulfate solution that three compartment bipolar membranes produced passes through the electrodialysis system and handles, the concentrate backward flow that the electrodialysis system produced is to three compartment bipolar membranes, the desalination liquid that the electrodialysis system produced passes through reverse osmosis system and handles, the dense water of reverse osmosis that reverse osmosis system produced flows back to the electrodialysis system.
Furthermore, the reaction tank is internally provided with TMT15 for removing heavy metals, and a coagulant aid for flocculation and sedimentation.
Further, the ceramic membrane is an inorganic ceramic membrane for removing SS and reducing turbidity.
Further, sulfuric acid solution generated by the three-compartment bipolar membrane is subjected to diffusion dialysis or directly recycled, and sodium hydroxide solution generated by the three-compartment bipolar membrane is subjected to liquid alkali blending and then flows back to the spray tower.
To sum up, the utility model discloses following beneficial effect has:
1. compared with the prior art, the production amount of solid waste is very small;
2. the dosage is greatly reduced, and only heavy metal catching agent, a small amount of flocculating agent and coagulant aid are needed;
3. the process automation integration degree is very high, and the manual labor is saved;
4. and any boiler flue gas is not shunted, and the system operation is not influenced.
Drawings
Fig. 1 is a block diagram of the overall structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figure 1, a novel processing system of thermal power factory desulfurization waste water, including reaction tank, depositing reservoir, ceramic membrane, three compartment bipolar membranes, electrodialysis system and reverse osmosis system, reaction tank, depositing reservoir, ceramic membrane, three compartment bipolar membranes link to each other in proper order, the low concentration sodium sulfate solution that three compartment bipolar membranes produced passes through the electrodialysis system and handles, the concentrate backward flow that the electrodialysis system produced is to three compartment bipolar membranes, the desalination liquid that the electrodialysis system produced passes through reverse osmosis system and handles, reverse osmosis dense water backward flow to the electrodialysis system that reverse osmosis system produced.
The flue gas desulfurization absorption liquid adopts sodium oxide solution, after the flue gas desulfurization absorption liquid passes through a flue gas spray absorption tower, effluent (desulfurization wastewater) is captured by TMT15 to remove heavy metals, and a coagulant aid are flocculated and settled.
The ceramic membrane is an inorganic ceramic membrane used for removing SS and reducing turbidity and is used for reducing turbidity.
The desulfurization wastewater after being treated by the ceramic membrane is divided into three strands after being treated by a three-compartment bipolar membrane system: a first strand of low-concentration sodium sulfate wastewater; a second stream of sulfuric acid solution; and a third stream of sodium hydroxide solution. Wherein, after the first stream of wastewater is concentrated by the electrodialysis system, the concentrated solution flows back to a three-compartment bipolar membrane system for water inflow, the desalted solution generated by the electrodialysis system is treated by a reverse osmosis system, the reverse osmosis produced water reaches the standard of water for plant greening irrigation and surface dust fall and is recycled, and the reverse osmosis concentrated water flows back to the water inlet end of the electrodialysis system; the second sulfuric acid solution is additionally provided with diffusion dialysis purification, concentration or direct recycling according to the content, the type, the recycling requirement and the like of impurities; and the third stream of sodium hydroxide solution is blended with fresh liquid caustic soda and then is put into a flue gas absorption spray tower for use.
To sum up, the utility model discloses following beneficial effect has:
1. compared with the prior art, the production amount of solid waste is very small;
2. the dosage is greatly reduced, and only heavy metal catching agent, a small amount of flocculating agent and coagulant aid are needed;
3. the process automation integration degree is very high, and the manual labor is saved;
4. and any boiler flue gas is not shunted, and the system operation is not influenced.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (4)
1. The utility model provides a novel processing system of thermal power factory desulfurization waste water which characterized in that: the device comprises a reaction tank, a clarification tank, a ceramic membrane, a three-compartment bipolar membrane, an electrodialysis system and a reverse osmosis system, wherein the reaction tank, the clarification tank, the ceramic membrane and the three-compartment bipolar membrane are sequentially connected, a low-concentration sodium sulfate solution generated by the three-compartment bipolar membrane is treated by the electrodialysis system, a concentrated solution generated by the electrodialysis system flows back to the three-compartment bipolar membrane, a desalted solution generated by the electrodialysis system is treated by the reverse osmosis system, and reverse osmosis concentrated water generated by the reverse osmosis system flows back to the electrodialysis system.
2. The novel treatment system of desulfurization wastewater of thermal power plant according to claim 1, characterized in that: the reaction tank is internally provided with TMT15 for removing heavy metals, and a coagulant aid for flocculation and sedimentation.
3. The novel treatment system of desulfurization wastewater of thermal power plant according to claim 1, characterized in that: the ceramic membrane is an inorganic ceramic membrane for removing SS and reducing turbidity.
4. The novel treatment system of desulfurization wastewater of thermal power plant according to claim 1, characterized in that: and the sulfuric acid solution generated by the three-compartment bipolar membrane is subjected to diffusion dialysis or directly recycled, and the sodium hydroxide solution generated by the three-compartment bipolar membrane is subjected to liquid alkali blending and then flows back to the spray tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399028.8U CN211497236U (en) | 2019-12-27 | 2019-12-27 | Novel processing system of thermal power factory desulfurization waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399028.8U CN211497236U (en) | 2019-12-27 | 2019-12-27 | Novel processing system of thermal power factory desulfurization waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211497236U true CN211497236U (en) | 2020-09-15 |
Family
ID=72420689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922399028.8U Active CN211497236U (en) | 2019-12-27 | 2019-12-27 | Novel processing system of thermal power factory desulfurization waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211497236U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
-
2019
- 2019-12-27 CN CN201922399028.8U patent/CN211497236U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11563229B1 (en) | 2022-05-09 | 2023-01-24 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11611099B1 (en) | 2022-05-09 | 2023-03-21 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11699803B1 (en) | 2022-05-09 | 2023-07-11 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211497236U (en) | Novel processing system of thermal power factory desulfurization waste water | |
| CN105565573A (en) | Device and method for desulfurization waste water zero discharge treatment | |
| WO2017133514A1 (en) | Treatment apparatus and method for softening desulfurization wastewater | |
| CN105314773A (en) | Wet desulphurization wastewater recycling method and apparatus thereof | |
| CN111170524A (en) | Reverse osmosis concentrated water recycling method | |
| CN105174584A (en) | Zero discharging processing device of desulfurization waste water | |
| CN110510780A (en) | It is a kind of that cigarette waste water recycling processing unit and method are washed using STRO device | |
| CN109650599A (en) | A kind of non-embrane method landfill leachate nanofiltration concentrate processing method | |
| CN209567937U (en) | High saliferous desulfurizing waste water processing device | |
| CN107151072B (en) | Treatment process of desulfurization wastewater | |
| CN206204082U (en) | Wet desulphurization wastewater zero discharge and resource recovering system | |
| CN113173674A (en) | High-salinity concentrated water recycling treatment system and method | |
| CN205974125U (en) | Desulfurization waste water zero release processing system | |
| CN103304072B (en) | Recycling method of industrial waste water | |
| CN104086011A (en) | Zero discharge process suitable for waste water of viscose fiber industrial acid station | |
| CN205933496U (en) | Desulfurization waste water zero release processing apparatus based on electrodialysis | |
| CN110963595A (en) | Coal chemical industry salt-containing wastewater treatment system and treatment method | |
| CN212269765U (en) | Concentrated decrement device of power plant's desulfurization waste water | |
| CN211921199U (en) | Arsenic-containing wastewater treatment system | |
| CN212403826U (en) | Desulfurization waste water advanced treatment of power plant and utilization system | |
| CN211813892U (en) | Reverse osmosis concentrated water recycling system | |
| CN109775910A (en) | ICL for Indirect Coal Liquefaction reused water processing technique and system | |
| CN210796000U (en) | Wastewater treatment system | |
| CN209193691U (en) | A kind of equipment handling industrially desulfurized waste water using stack gases | |
| CN210505913U (en) | Make-up water treatment system suitable for natural gas distributed energy resource station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |