CN212894376U - High-salinity sewage treatment device - Google Patents
High-salinity sewage treatment device Download PDFInfo
- Publication number
- CN212894376U CN212894376U CN202022891602.4U CN202022891602U CN212894376U CN 212894376 U CN212894376 U CN 212894376U CN 202022891602 U CN202022891602 U CN 202022891602U CN 212894376 U CN212894376 U CN 212894376U
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- pipeline
- salt
- osmosis membrane
- section
- 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 discloses a high salinity sewage treatment plant, including inlet channel and outlet conduit, inlet channel tip intercommunication has one section high salt reverse osmosis membrane device, just one section high salt reverse osmosis membrane device with the outlet conduit intercommunication for the filtrate that obtains after passing through a high salt membrane reverse osmosis with sewage warp the outlet conduit is outer to be arranged, one section high salt reverse osmosis membrane device has the softening installation that is used for softening and filters out mud through the pipeline intercommunication. Has the advantages that: the utility model treats the smoke washing wastewater and the nanofiltration clear liquid through the high-salt membrane reverse osmosis, ensures that the effluent reaches the discharge standard, and is convenient for directly discharging the smoke washing wastewater and the nanofiltration clear liquid after treatment; the water amount of the smoke washing waste water and the nanofiltration clear liquid which need to be digested is reduced, and the stable operation of an incineration plant is favorably ensured; the concentration of chloride ions in the discharged water is reduced, and the corrosion hazard of the discharged water to the discharged pipeline is reduced.
Description
Technical Field
The utility model relates to a high salinity sewage treatment plant field, concretely relates to high salinity sewage treatment plant.
Background
Incineration is one of the main ways of disposing garbage, in an incineration plant, because the smoke generated in the incineration process needs to be disposed, a large amount of smoke-washing waste water is generated in the process, meanwhile, in recent years, the process mainly based on the membrane bioreactor is increasingly applied to the treatment of the percolate of the municipal solid waste landfill, in the process, the nanofiltration membrane is used for deeply treating the effluent of the landfill waste percolate after the membrane bioreactor process, a large amount of nanofiltration clear liquid can be generated in the operation, but the chloride content of the nanofiltration clear liquid and the smoke washing waste water is 3000-5000mg/l and 14000-20000mg/l which are far higher than the emission limit standard of chloride which can be directly discharged by a nano tube at present, so that the smoke washing waste water and the nano filter clear liquid can not be discharged by the single nano tube, and the smoke washing waste water and the nano filter clear liquid can not be digested by the operation of an incineration plant.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high salinity sewage treatment plant in order to solve above-mentioned problem, handle washing cigarette waste water and receiving through high salt membrane reverse osmosis, ensured that the play water reaches emission standard, be convenient for wash cigarette waste water and receive and strain direct outer the arranging of managing after the clear liquid is handled, see the explanation below with more detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a high salinity sewage treatment device, including inlet channel and outlet conduit, inlet channel tip intercommunication has a section high salt reverse osmosis membrane device, and a section high salt reverse osmosis membrane device with outlet conduit intercommunication for the filtrate that obtains after sewage passes through once high salt membrane reverse osmosis is arranged outside through outlet conduit, a section high salt reverse osmosis membrane device has the softening installation that is used for softening and filters mud through pipeline intercommunication, and the softening installation has sludge treatment facilities through pipeline intercommunication, is used for discharging mud into sludge treatment facilities and handles;
the softening device is communicated with a second-stage high-salt reverse osmosis membrane device through a pipeline, the second-stage high-salt reverse osmosis membrane device is communicated with the water outlet pipeline, and filtrate obtained after sewage filtered by the softening device is subjected to reverse osmosis through a secondary high-salt membrane is discharged outside through the water outlet pipeline.
Preferably, the first section of high-salt reverse osmosis membrane device is communicated with a membrane cleaning device through a pipeline and is used for cleaning the first section of high-salt reverse osmosis membrane device again.
Preferably, the membrane cleaning device is provided with a pH and flow meter monitoring instrument for visually monitoring data of the section of the high-salt reverse osmosis membrane device.
Preferably, the designed operating pressure of the first section of high-salt reverse osmosis membrane device and the second section of high-salt reverse osmosis membrane device is 70-80 bar.
Preferably, the two-stage high-salt reverse osmosis membrane device is communicated with a fly ash utilization device through a pipeline and is used for recycling and back-spraying fly ash concentrated solution obtained after sewage filtered by the softening device is subjected to secondary high-salt membrane reverse osmosis.
Preferably, the sludge treatment device specifically comprises: the softening device is communicated with a sludge concentration tank through a pipeline, and the sludge concentration tank is connected with a sludge filter press through a pipeline.
Preferably, the sludge thickener has a capacity of not less than 10 cubic meters.
Preferably, the sludge filter press is a plate-and-frame filter press.
Preferably, the softening device is communicated with a dosing device for adding the heavy metal catching agent through a pipeline.
By adopting the high-salinity sewage treatment device, in daily operation, nanofiltration clear liquid and smoke washing wastewater are simultaneously introduced through the water inlet pipeline and flow to the section of high-salinity reverse osmosis membrane device, the section of high-salinity reverse osmosis membrane device is used for performing primary high-salinity reverse osmosis on the nanofiltration clear liquid and the smoke washing wastewater to respectively obtain concentrated liquid and filtrate, the filtrate is directly discharged through the water outlet pipeline and then is discharged through a nano pipe, the concentrated liquid is introduced into the softening device through a pipeline to remove hardness, the obtained chemical sludge is discharged into the sludge treatment device through the pipeline to be treated, meanwhile, in order to ensure the quality of subsequent reserved evaporated salt, a reserved heavy metal catching agent can be added into the softening device through the dosing device, the sewage softened by the softening device flows to the section of high-salinity reverse osmosis membrane device through the pipeline, and the organic matters and salinity in the sewage are removed through the secondary high-salinity reverse osmosis membrane by the section of high-salinity reverse, and (2) respectively obtaining concentrated liquid and filtrate, directly discharging the permeated filtrate through the water outlet pipeline and then discharging the filtrate through the nano pipe, and conveying the generated concentrated liquid through a pipeline to the fly ash utilization device to utilize and back-spray the concentrated liquid, so that the designed recovery rate of the permeated filtrate is 66.7 percent due to the fact that the sewage entering the first section of high-salt reverse osmosis membrane device can permeate and separate out 66.7 percent of water from the sewage again through the second section of high-salt reverse osmosis membrane device, the overall sewage treatment return rate of the device can reach more than 90 percent, and the nano-filtration clear liquid and the smoke-washing waste water generated by an incineration plant are ensured to reach the discharge standard after being treated, and then are directly discharged through the nano pipe.
Has the advantages that: 1. the utility model treats the smoke washing wastewater and the nanofiltration clear liquid through the high-salt membrane reverse osmosis, ensures that the effluent reaches the discharge standard, and is convenient for directly discharging the smoke washing wastewater and the nanofiltration clear liquid after treatment;
2. the water amount of the smoke washing waste water and the nanofiltration clear liquid which need to be digested is reduced, and the stable operation of an incineration plant is favorably ensured;
3. the concentration of chloride ions in the discharged water is reduced, and the corrosion hazard of the discharged water to the discharged pipeline is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of the present invention.
The reference numerals are explained below:
1. a sludge treatment device; 101. a sludge filter press; 102. a sludge concentration tank; 2. a fly ash utilization device; 3. a two-stage high-salt reverse osmosis membrane device; 4. a water outlet pipeline; 5. a membrane cleaning device; 6. a section of high salt reverse osmosis membrane device; 7. a softening device; 701. a dosing device; 8. a water inlet pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides a high salinity sewage treatment plant, including inlet channel 8 and outlet conduit 4, 8 tip intercommunications of inlet channel have one section high salt reverse osmosis membrane device 6, and one section high salt reverse osmosis membrane device 6 and outlet conduit 4 intercommunication, be used for arranging the filtrate that once obtains behind the high salt membrane reverse osmosis of sewage outside outlet conduit 4, one section high salt reverse osmosis membrane device 6 has softening installation 7 that is used for softening to filter out mud through the pipeline intercommunication, and softening installation 7 has sludge treatment device 1 through the pipeline intercommunication, be used for arranging mud into sludge treatment device 1 and handle. The softening device 7 is communicated with a second-stage high-salt reverse osmosis membrane device 3 through a pipeline, the second-stage high-salt reverse osmosis membrane device 3 is communicated with the water outlet pipeline 4, and filtrate obtained after sewage filtered by the softening device 7 passes through the secondary high-salt membrane reverse osmosis is discharged outside through the water outlet pipeline 4.
As the preferred scheme of present case, one section high salt reverse osmosis membrane device 6 has membrane belt cleaning device 5 through the pipeline intercommunication, be used for resuming washing one section high salt reverse osmosis membrane device 6, so set up, be convenient for wash one section high salt reverse osmosis membrane device 6 through membrane belt cleaning device 5, ensure the high-efficient stable dialysis operation of one section high salt reverse osmosis membrane device 6, membrane belt cleaning device 5 is provided with pH and flowmeter monitoring instrument, be used for the data of one section high salt reverse osmosis membrane device 6 of visual monitoring, so set up, be convenient for can know the state of one section high salt reverse osmosis membrane device 6 in real time through membrane belt cleaning device 5.
Design operating pressure of one section high salt reverse osmosis membrane device 6 and two-stage process high salt reverse osmosis membrane device 3 is 70 ~ 80bar, so set up, be convenient for one section high salt reverse osmosis membrane device 6 and two-stage process high salt reverse osmosis membrane device 3 all have stable operating condition, two-stage process high salt reverse osmosis membrane device 3 has flying dust to utilize device 2 through the pipeline intercommunication, be used for passing through the flying dust dense fluid reuse who obtains behind the high salt membrane reverse osmosis of secondary with the sewage that softening installation 7 filtered out spouts, so set up, be convenient for carry out iterative utilization to the dense fluid through flying dust utilization device 2.
The sludge treatment device 1 is specifically: softening installation 7 has sludge thickening tank 102 through the pipeline intercommunication, and sludge thickening tank 102 has sludge press 101 through the pipe connection, so sets up, is convenient for carry out the concentration to chemical sludge through sludge thickening tank 102, later through sludge press 101 to the chemical sludge filter-pressing after the concentration, the capacity of sludge thickening tank 102 is not less than 10 cubic meters to sludge thickening tank 102 has sufficient capacity to hold the chemical sludge who transports.
Sludge press 101 is the plate and frame filter press to sludge press 101 has good efficient user state, and the mud cake moisture content that preferred filter-pressing obtained is less than 70%, and softening installation 7 department has a charge device 701 that is used for adding the heavy metal trapping agent through the pipeline intercommunication, so set up, is convenient for guarantee the salt quality that follow-up reservation evaporation obtained.
By adopting the structure, in daily operation, the nanofiltration clear liquid and the smoke washing waste water are simultaneously introduced through the water inlet pipeline 8 and flow to the section of high-salt reverse osmosis membrane device 6, the section of high-salt reverse osmosis membrane device 6 respectively obtains concentrated liquid and filtrate after the nanofiltration clear liquid and the smoke washing waste water are subjected to primary high-salt membrane reverse osmosis, the filtrate is directly discharged through the water outlet pipeline 4 and then is discharged through a nano pipe, the concentrated liquid is introduced into the softening device 7 through a pipeline to remove hardness, the obtained chemical sludge is discharged into the sludge treatment device 1 through the pipeline to be treated, meanwhile, in order to ensure the quality of subsequent preserved evaporated salt, the preserved heavy metal catching agent can be added into the softening device 7 through the chemical adding device 701, the sewage softened by the softening device 7 flows to the section of high-salt reverse osmosis membrane device 3 through the pipeline, the organic matter and salt in the sewage are removed after the second, the concentrated solution and the filtrate are respectively obtained, the permeated filtrate is directly discharged through the water outlet pipeline 4 and then is discharged through the nano pipe, the generated concentrated solution is subjected to concentrated solution utilization and back spray through the pipeline conveying value fly ash utilization device 2, so that the designed recovery rate of the permeated filtrate is 66.7 percent due to the fact that the sewage enters the first section of high-salt reverse osmosis membrane device 6, namely 30 percent of concentrated solution generated by the first section of high-salt reverse osmosis membrane device 6 can be permeated out of 66.7 percent of water again through the second section of high-salt reverse osmosis membrane device 3, the overall sewage treatment recovery rate of the device can reach more than 90 percent, the discharge standard of nano-filtered clear solution and smoke-washing wastewater generated by an incineration plant is ensured to be reached after the treatment, and then the nano pipe is directly discharged.
The operational effects of the above-described approach can be displayed according to the following table: table one shows the parameters of the smoke washing wastewater before upgrading, which are as follows:
table two shows parameters of the nanofiltration clear liquid before the nanofiltration clear liquid is subjected to standard extraction, specifically as follows:
| item | Unit of | NF clear liquid |
| pH | / | 7.2 |
| Total hardness | mg/L | 825 |
| Hardness of calcium | mg/L | 125 |
| Chloride compound | mg/L | 4450 |
| Sulfate radical | mg/L | 58 |
| Silicon | mg/L | 16.2 |
| Fluorine | mg/L | 0.4 |
| CODcr | mg/L | 48 |
| Ammonia nitrogen | mg/L | Not detected out |
| Total alkalinity | mg/L | 775 |
| TDS | mg/L | 8230 |
| TP | mg/L | 0.17 |
Table three is the water production data of the high salt film from the filtrate after treatment, as follows:
the above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a high salinity sewage treatment plant, includes inlet channel (8) and outlet conduit (4), its characterized in that: the end part of the water inlet pipeline (8) is communicated with a section of high-salt reverse osmosis membrane device (6), the section of high-salt reverse osmosis membrane device (6) is communicated with the water outlet pipeline (4) and used for discharging filtrate obtained after sewage is subjected to primary high-salt membrane reverse osmosis outside the water outlet pipeline (4), the section of high-salt reverse osmosis membrane device (6) is communicated with a softening device (7) used for softening and filtering sludge through a pipeline, and the softening device (7) is communicated with a sludge treatment device (1) through a pipeline and used for discharging sludge into the sludge treatment device (1) for treatment;
the softening device (7) is communicated with a second-stage high-salt reverse osmosis membrane device (3) through a pipeline, the second-stage high-salt reverse osmosis membrane device (3) is communicated with the water outlet pipeline (4), and filtrate obtained after sewage filtered by the softening device (7) is subjected to reverse osmosis through a secondary high-salt membrane is discharged outside through the water outlet pipeline (4).
2. The apparatus of claim 1, wherein: one section high salt reverse osmosis membrane device (6) have membrane belt cleaning device (5) through the pipeline intercommunication for to resume the washing in one section high salt reverse osmosis membrane device (6).
3. The apparatus of claim 2, wherein: the membrane cleaning device (5) is provided with a pH and flowmeter monitoring instrument for visually monitoring data of the section of the high-salt reverse osmosis membrane device (6).
4. The apparatus for treating high-salinity sewage according to claim 2 or 3, wherein: the designed operating pressure of the first section of high-salt reverse osmosis membrane device (6) and the second section of high-salt reverse osmosis membrane device (3) is 70-80 bar.
5. The apparatus of claim 4, wherein: the two-section high-salt reverse osmosis membrane device (3) is communicated with a fly ash utilization device (2) through a pipeline and is used for recycling and back-spraying fly ash concentrated liquid obtained after sewage filtered by the softening device (7) is subjected to secondary high-salt membrane reverse osmosis.
6. The apparatus of claim 5, wherein: the sludge treatment device (1) is specifically as follows: the softening device (7) is communicated with a sludge concentration tank (102) through a pipeline, and the sludge concentration tank (102) is connected with a sludge filter press (101) through a pipeline.
7. The apparatus of claim 6, wherein: the capacity of the sludge concentration tank (102) is not less than 10 cubic meters.
8. The apparatus of claim 7, wherein: the sludge filter press (101) is a plate-and-frame filter press.
9. The apparatus for treating high salinity sewage according to claim 6, 7 or 8, characterized in that: the softening device (7) is communicated with a dosing device (701) used for adding a heavy metal catching agent through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022891602.4U CN212894376U (en) | 2020-12-03 | 2020-12-03 | High-salinity sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022891602.4U CN212894376U (en) | 2020-12-03 | 2020-12-03 | High-salinity sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212894376U true CN212894376U (en) | 2021-04-06 |
Family
ID=75261684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022891602.4U Active CN212894376U (en) | 2020-12-03 | 2020-12-03 | High-salinity sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212894376U (en) |
-
2020
- 2020-12-03 CN CN202022891602.4U patent/CN212894376U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201817357U (en) | Full-reuse treatment device for coking wastewater through Fenton oxidation and double-membrane process | |
| CN103112978B (en) | Advanced treatment method for cotton slurry paper-making wastewater | |
| CN102923876A (en) | System for recovering heavy metals and recycling wastewater through treating metal wastewater by using tube type filter membrane method | |
| CN101209886A (en) | Advanced treatment recycling technique of urban sewage | |
| CN202744400U (en) | System for recycling electroplating wastewater and heavy metal ions | |
| CN105836939A (en) | Intelligent integrated water supply purification system | |
| CN202072564U (en) | Ultrafiltration water purifying device with high anti-fouling capability | |
| CN209759259U (en) | Photovoltaic cell production wastewater treatment process system | |
| CN101723551A (en) | Method for treating recycling of coking wastewater | |
| CN101723550B (en) | System for treating recycling of coking wastewater | |
| CN102674577B (en) | Full-automatic energy-saving reclaimed water recycling device | |
| CN212894376U (en) | High-salinity sewage treatment device | |
| CN208617634U (en) | A kind of leachate in garbage transfer station processing system | |
| CN203582663U (en) | Reclaimed water reuse system applied to domestic sewage treatment | |
| CN203021371U (en) | Heavy metal recycling and wastewater reusing system by treating heavy metal wastewater through tubular micro-filtration membrane process | |
| CN205398373U (en) | Municipal administration wastewater recovery processing system | |
| CN110330156A (en) | Sewage treatment purification system and its method | |
| CN112723652A (en) | High-salinity sewage treatment device and method | |
| CN214004228U (en) | Reverse osmosis water purification system for electroplating wastewater treatment | |
| CN211521873U (en) | Treatment system for underground water polluted by landfill leachate | |
| CN211521880U (en) | Novel sewage treatment device | |
| CN209940765U (en) | Take sewage treatment system of COD detection | |
| CN211283947U (en) | Mine water step-by-step filtering system | |
| CN209797719U (en) | Take sewage treatment system of fiber ball filter back flush | |
| CN208617524U (en) | Modified refuse transfer station percolate and membranous system concentrate deep purifying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |