CN210313897U - Denitration desulfurization circulating water treatment device - Google Patents
Denitration desulfurization circulating water treatment device Download PDFInfo
- Publication number
- CN210313897U CN210313897U CN201920777601.1U CN201920777601U CN210313897U CN 210313897 U CN210313897 U CN 210313897U CN 201920777601 U CN201920777601 U CN 201920777601U CN 210313897 U CN210313897 U CN 210313897U
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- CN
- China
- Prior art keywords
- jar
- water treatment
- sedimentation tank
- denitration
- circulating water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 22
- 230000023556 desulfurization Effects 0.000 title claims abstract description 22
- 238000004062 sedimentation Methods 0.000 claims abstract description 22
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000005273 aeration Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 241000894006 Bacteria Species 0.000 claims description 11
- 238000006396 nitration reaction Methods 0.000 claims description 10
- 230000001546 nitrifying effect Effects 0.000 abstract description 12
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 8
- 239000002351 wastewater Substances 0.000 abstract description 6
- 239000012141 concentrate Substances 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 2
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 239000000701 coagulant Substances 0.000 description 5
- 230000003204 osmotic effect Effects 0.000 description 5
- 238000001728 nano-filtration Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229910052976 metal sulfide Inorganic materials 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- -1 nitrate ions Chemical class 0.000 description 2
- 125000001741 organic sulfur group Chemical group 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 241000108664 Nitrobacteria Species 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004172 nitrogen cycle Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a denitration desulfurization circulating water treatment device, it includes the inlet tube, filter equipment, nitrify the jar, reverse osmosis unit and outlet pipe, advance water piping connection to filter equipment, the filter equipment rear sets up the sedimentation tank, the sedimentation tank is connected with nitrifying the jar, be equipped with high pressure water pump between sedimentation tank and the nitrifying jar, reverse osmosis unit establishes nitrify a jar rear, the outlet pipe links to each other with reverse osmosis unit, nitrify inside detection device and the aeration pipe of being equipped with of jar, the top is equipped with the feed inlet, the skin is equipped with the zone of heating, the device adopts dual filtration and then deposits, the cooperation temperature of strictly controlling, the nitrifying jar of pH value and oxygen concentration makes denitration desulfurization's waste water thoroughly purify, remove the impurity, remove heavy metal etc., adopt reverse osmosis unit to purify and concentrate at.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, concretely relates to denitration desulfurization circulating water treatment device.
Background
Water is a source of life, people can not accompany water for growth and activities of the life, along with the rapid development of social economy and the continuous improvement of people's life, the requirements of people on the quality of life are higher and higher, but the pollution degree of water resources is deepened increasingly and runs counter to the practical requirements of people, so that the treatment of sewage is becoming an urgent work in the social development process at the present stage, coal-fired furnaces burn flue gas containing a large amount of coal ash, NOX, SOX and the like, the flue gas generally reaches the emission standard after dedusting, denitration and desulfurization by adopting a wet method in denitration and desulfurization facilities, and then the wet method denitration and desulfurization can generate a large amount of waste water which mainly contains a large amount of inorganic salt ions such as nitrate ions, nitrite ions and the like, has low content of effective carbon sources, mercury, lead, zinc and the like, arsenic, and the like heavy metals such as the mercury, lead, zinc and the like, and arsenic, Fluorine and other non-metallic pollutants, so the wastewater can reach the discharge standard after denitrification and separation of heavy metals and other precipitable substances.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model discloses a main aim at designs a denitration desulfurization circulating water treatment device, solves the processing problem of denitration desulfurization circulating wastewater.
In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a denitration desulfurization circulating water treatment device, it includes inlet tube, filter equipment, nitrifies jar, reverse osmosis unit and outlet pipe, inlet tube connected to filter equipment, the filter equipment rear sets up the sedimentation tank, the sedimentation tank is connected with nitrifying the jar, be equipped with high pressure water pump between sedimentation tank and the nitrifying jar, reverse osmosis unit establish in nitrifying jar rear, the outlet pipe links to each other with reverse osmosis unit, nitrify jar inside be equipped with detection device and aeration pipe, the top is equipped with the feed inlet, the skin is equipped with the zone of heating.
As a further description of the present invention, the filtering apparatus includes a filter and a reaction tank, the water inlet pipe is connected to the filter, and the reaction tank is connected to the sedimentation tank.
As the further description of the utility model, the filter is provided with two layers, and the two layers are a bacteria filtering layer and a nanofiltration layer from left to right in turn.
As a further description of the utility model, reaction box top set up the charge door, inside sets up agitating unit, agitating unit passes through the motor and drives.
As a further description of the present invention, the aeration pipe is provided with a plurality of air outlets, and the aeration pipe is externally connected to the air pump.
As a further description of the present invention, the detecting device includes pH value detection, temperature detection and oxygen concentration detection.
As a further description of the utility model, the sedimentation tank below be equipped with the blow off pipe, be equipped with the valve plate on the blow off pipe.
Compared with the prior art, the technical effect of the utility model is that, the utility model provides a denitration desulfurization circulating water treatment device adopts double filtration and then deposits, and the cooperation is tight accuse temperature, pH value and oxygen concentration's nitration jar makes denitration desulfurization's waste water thoroughly purify, remove impurity, remove heavy metal etc. adopts reverse osmosis unit to purify at last and concentrate and then discharge.
Drawings
FIG. 1 is a view of the overall structure of the present invention;
fig. 2 is a view of the detecting device of the present invention.
In the figure, 1, a water inlet pipe, 2, a filtering device, 21, a filter, 22, a reaction box, 3, a nitration tank, 31, a detection device, 32, an aeration pipe, 33, a heating layer, 4, a reverse osmosis device, 5, a water outlet pipe, 6, a sedimentation tank, 61, a sewage discharge pipe, 62, a valve plate, 7, a high-pressure water pump, 8, a stirring device and 9, an air pump are arranged.
Detailed Description
The present invention is described in detail below with reference to the attached drawings:
the utility model provides a denitration desulfurization circulating water treatment facilities, refer to fig. 1-2 and show, it includes inlet tube 1, filter equipment 2, nitrify jar 3, reverse osmosis unit 4 and outlet pipe 5, inlet tube 1 be connected to filter equipment 2, filter equipment 2 rear sets up sedimentation tank 6, sedimentation tank 6 is connected with nitrify jar 3, is equipped with high pressure water pump 7 between sedimentation tank 6 and the nitrify jar 3, reverse osmosis unit 4 establish in nitrify jar 3 rear, outlet pipe 5 links to each other with reverse osmosis unit 4, 3 inside detection device 31 and the aeration pipe 32 of being equipped with of nitrify jar, the top is equipped with the feed inlet, the skin is equipped with zone of heating 33.
The filtering device 2 comprises a filter 21 and a reaction box 22, the water inlet pipe 1 is connected to the filter 21, the reaction box 22 is connected with the sedimentation tank 6, the water is filtered by the filter 21, organic sulfur, coagulant and coagulant aid are added into the reaction box 21 to enable heavy metal ions in the wastewater to form metal sulfides, then the metal sulfides and other suspended matters are mixed together to form large granular floccules under the action of the coagulant and the coagulant aid, and then the large granular floccules enter the sedimentation tank 6 to be subjected to solid-liquid separation.
The filter 21 is provided with two layers, namely a bacteria filtering layer and a nanofiltration layer from left to right, wherein the bacteria filtering layer is made of stainless steel materials and is used for filtering germs and small particulate matters, and the nanofiltration layer is made of nanofiltration materials and is used for filtering ionic substances and eliminating heavy metals in water.
The aeration pipe 32 is provided with a plurality of air outlets, the aeration pipe 32 is externally connected to the air pump 9, the air pump 9 injects oxygen into the aeration pipe 32, firstly, the requirement of oxygen during the reaction of the nitrification tank 3 is met, secondly, when the oxygen is injected, the air outlets on the aeration pipe 32 exhaust air into the nitrification tank 3, and the reaction of the water body in the nitrification tank 3 and the additives is accelerated.
The detection device 31 comprises pH value detection, temperature detection and oxygen concentration detection, the sewage biological treatment denitrification mainly depends on some special bacteria to realize nitrogen form conversion, the process of converting ammonia nitrogen into nitrate by nitrifying bacteria is called nitrification process, and the temperature, the oxygen concentration and the pH value are strictly controlled in the nitrification process.
Nitrifying bacteria are aerobic bacteria which can grow in aerobic water or gravel and play an important role in the purification process of nitrogen cycle water.
Temperature: the most suitable temperature range for the nitration reaction is 30-35 ℃, and the temperature not only influences the specific growth rate of the nitrifying bacteria, but also influences the activity of the nitrifying bacteria.
Dissolved oxygen: the nitration reaction must be carried out under aerobic conditions, and the dissolved oxygen concentration of 0.5-0.7mg/L is the tolerable limit of the nitrifying bacteria.
pH value: nitrifying bacteria are particularly sensitive to pH, the optimal pH of the nitrification reaction is between 7.2 and 8, about 7.17g of CaCO3 alkalinity needs to be consumed for every 1g of nitrified ammonia nitrogen, and if the sewage is not buffered with enough alkalinity, the nitrification reaction will cause the pH value to be reduced and the reaction rate to be slowed down.
6 below of sedimentation tank be equipped with blow off pipe 61, be equipped with valve plate 62 on the blow off pipe 61, the water after filtering through filter equipment 2 gets into sedimentation tank 6 and deposits, the water that the sediment was accomplished gets into nitration jar 3, the sediment is discharged from the blow off pipe.
The dilute solution and the concentrated solution with the same volume are respectively arranged at two sides of a container, the middle part of the container is blocked by a semipermeable membrane, the solvent in the dilute solution naturally passes through the semipermeable membrane and flows to the concentrated solution side, the liquid level at the concentrated solution side is higher than the liquid level of the dilute solution by a certain height to form a pressure difference, and the osmotic balance state is achieved, and the pressure difference is osmotic pressure. If a pressure greater than the osmotic pressure is applied to the concentrate side, the solvent in the concentrate flows toward the dilute solution in a direction opposite to that of the original permeate, a process known as reverse osmosis
Reverse osmosis, also known as reverse osmosis, can be used to achieve separation, extraction, purification and concentration using reverse osmosis pressures greater than the osmotic pressure, depending on the osmotic pressure.
The utility model discloses a theory of operation: this denitration desulfurization circulating water treatment facilities is in the operation process, the water gets into filter 21 from inlet tube 1 and carries out the edulcoration and remove the heavy metal, get into reaction box 22 and carry out the neutralization and further get rid of the heavy metal, the water after the neutralization gets into sedimentation tank 6 and separates, the precipitate is discharged from blow off pipe 61, the water gets into nitrification tank 3, nitrification tank 3 adds nitrobacteria, heating layer 33 heats, aeration pipe 32 gets into oxygen, monitor pH value through detection device 31, temperature and oxygen concentration, then extract through reverse osmosis unit 4, flow from outlet pipe 5 after the purification.
The above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides a denitration desulfurization circulating water treatment facilities, it includes inlet tube (1), filter equipment (2), nitration jar (3), reverse osmosis unit (4) and outlet pipe (5), its characterized in that: inlet tube (1) be connected to filter equipment (2), filter equipment (2) rear sets up sedimentation tank (6), sedimentation tank (6) are connected with nitration jar (3), be equipped with high pressure water pump (7) between sedimentation tank (6) and nitration jar (3), reverse osmosis unit (4) establish at nitration jar (3) rear, outlet pipe (5) link to each other with reverse osmosis unit (4), nitration jar (3) inside be equipped with detection device (31) and aeration pipe (32), the top is equipped with the feed inlet, the skin is equipped with zone of heating (33).
2. The denitration and desulfurization circulating water treatment device according to claim 1, characterized in that: the filtering device (2) comprises a filter (21) and a reaction box (22), the water inlet pipe (1) is connected to the filter (21), and the reaction box (22) is connected with the sedimentation tank (6).
3. The denitration and desulfurization circulating water treatment device according to claim 2, characterized in that: the filter (21) is provided with two layers, namely a bacteria filtering layer and a nano filtering layer from left to right.
4. The denitration and desulfurization circulating water treatment device according to claim 2, characterized in that: reaction box (22) top set up the charge door, inside sets up agitating unit (8), agitating unit (8) pass through the motor and drive.
5. The denitration and desulfurization circulating water treatment device according to claim 1, characterized in that: the aeration pipe (32) is provided with a plurality of air outlet holes, and the outside of the aeration pipe (32) is connected to the air pump (9).
6. The denitration and desulfurization circulating water treatment device according to claim 1, characterized in that: the detection device (31) comprises pH value detection, temperature detection and oxygen concentration detection.
7. The denitration and desulfurization circulating water treatment device according to claim 1, characterized in that: a drain pipe (61) is arranged below the sedimentation tank (6), and a valve plate (62) is arranged on the drain pipe (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777601.1U CN210313897U (en) | 2019-05-28 | 2019-05-28 | Denitration desulfurization circulating water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777601.1U CN210313897U (en) | 2019-05-28 | 2019-05-28 | Denitration desulfurization circulating water treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN210313897U true CN210313897U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920777601.1U Expired - Fee Related CN210313897U (en) | 2019-05-28 | 2019-05-28 | Denitration desulfurization circulating water treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210313897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349260A (en) * | 2021-11-23 | 2022-04-15 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Multi-medium aeration integrated sewage treatment device and sewage treatment method |
-
2019
- 2019-05-28 CN CN201920777601.1U patent/CN210313897U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114349260A (en) * | 2021-11-23 | 2022-04-15 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Multi-medium aeration integrated sewage treatment device and sewage treatment method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 Termination date: 20210528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |