CN206680325U - A kind of system for handling nitrogen-containing wastewater - Google Patents
A kind of system for handling nitrogen-containing wastewater Download PDFInfo
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- CN206680325U CN206680325U CN201720086868.7U CN201720086868U CN206680325U CN 206680325 U CN206680325 U CN 206680325U CN 201720086868 U CN201720086868 U CN 201720086868U CN 206680325 U CN206680325 U CN 206680325U
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- pipeline
- reaction unit
- waste water
- back extraction
- wash mill
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- 239000002351 wastewater Substances 0.000 title claims abstract description 62
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 40
- 238000002425 crystallisation Methods 0.000 claims abstract description 26
- 230000005712 crystallization Effects 0.000 claims abstract description 26
- 238000000605 extraction Methods 0.000 claims abstract description 24
- CVTZKFWZDBJAHE-UHFFFAOYSA-N [N].N Chemical compound [N].N CVTZKFWZDBJAHE-UHFFFAOYSA-N 0.000 abstract description 24
- 229910052751 metal Inorganic materials 0.000 abstract description 13
- 239000002184 metal Substances 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate dianion Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract description 8
- 150000002500 ions Chemical class 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 3
- 150000003863 ammonium salts Chemical class 0.000 description 7
- 239000003513 alkali Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000006011 modification reaction Methods 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L Calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- PRKQVKDSMLBJBJ-UHFFFAOYSA-N Ammonium carbonate Chemical compound N.N.OC(O)=O PRKQVKDSMLBJBJ-UHFFFAOYSA-N 0.000 description 1
- 229960005069 Calcium Drugs 0.000 description 1
- 229960003563 Calcium Carbonate Drugs 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- -1 Radical ion Chemical class 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating Effects 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N azanium;hydron;carbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005039 chemical industry Methods 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000001351 cycling Effects 0.000 description 1
- 238000006481 deamination reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
The utility model provides a kind of system for handling nitrogen-containing wastewater, including reaction unit, wash mill, crystallization apparatus and back extraction device, the first pipeline is connected with the reaction unit, the second pipeline is connected between the reaction unit and the crystallization apparatus, the 3rd pipeline is connected between the wash mill and the reaction unit, the 4th pipeline is connected between the wash mill and the back extraction device, the 5th pipeline is connected between the back extraction device and the reaction unit.Pass through system provided by the utility model, the waste water of caused different ammonia nitrogen concentrations in processing production process can be distinguished, the ammonia nitrogen waste water directly discharge that not only avoid high concentration pollutes to water body, the carbanion and metal ion in waste water can also be effectively utilized simultaneously, make its raw material as production metal carbonate again.The system architecture is simple, easily operated, is easy to Industry Promotion.
Description
Technical field
The utility model is related to environmental pollution process for comprehensively treating field, more particularly to it is a kind of handle nitrogen-containing wastewater be
System.
Background technology
Ammonia nitrogen is one of pollutant main in China's water body, can result in body eutrophication, promotes algae reproduction, greatly
Dissolved oxygen in amount consumption water body, causes organism in water is dead, water body fouls etc..Waste water containing ammonia nitrogen is mainly derived from coloured smelting
The industries such as gold, chemical industry, biofermentation, ammonia nitrogen pollutant is mainly present in water with ammonium root, free state molecular forms in ammonia nitrogen waste water
In.
In the prior art, it will usually nitrogen-containing wastewater is handled using single technique, technology common at present
There are evaporating, concentrating and crystallizing method, distillation rectification method, stripping hair, chemical precipitation method, but single handling process is higher except cost
Outside, the waste water containing finite concentration ammonia nitrogen can also be produced.
Publication No. CN102060406A Chinese patent application discloses a kind of method of blow-off method processing ammonia nitrogen waste water,
Recovery by the ammonia-nitrogen desorption in waste water and is absorbed by packed tower.Publication No. CN1958471A Chinese patent application discloses
A kind of processing method of ammonia nitrogen waste water, this method first have to add a large amount of alkali in waste water, to adjust pH value, to go through separation of solid and liquid
Except the suspension in waste water and the sial ion and its compound of dissolving；Calcium ion generation calcium sulfate precipitation is added, through solid-liquid point
From the acidic materials reduced in waste water；Carbanion generation precipitation of calcium carbonate is added, the calcium in waste water is removed through separation of solid and liquid
Ion；PH value finally is adjusted between 9.5 ~ 13 with alkali again, is carried out stripping deamination and biochemical treatment, is that waste water reaches national discharge
Standard.
The above method, it is required for that ammonia nitrogen waste water regulation is arrived into suitable pH using alkali, but when ammonia nitrogen concentration is higher, pH is not
In the case of height, regulation pH can consume a large amount of alkali, so as to cause secondary pollution to water body.Therefore, a kind of use of research and development is needed badly
In the processing system of the ammonia nitrogen of Coal Gas Washing Cycling Water.
The content of the invention
In order to solve the above technical problems, the utility model provides a kind of system for handling nitrogen-containing wastewater, including reaction
Device and crystallization apparatus, the first pipeline is connected with the reaction unit, is connected between the reaction unit and the crystallization apparatus
It is connected to the second pipeline.
Wherein, in addition to wash mill, the 3rd pipeline is connected between the wash mill and the reaction unit.
Wherein, in addition to wash mill and back extraction device, the wash mill and it is described back extraction device between connect
There is the 4th pipeline, the 5th pipeline is connected between the back extraction device and the reaction unit.
Wherein, in addition to device is stripped, the 4th pipeline is connected between the wash mill and the back extraction device,
The 5th pipeline is connected between the back extraction device and the reaction unit.
Wherein, pump and valve are respectively arranged with first pipeline and second pipeline.
Wherein, pump and valve are provided with the 3rd pipeline.
Wherein, pump and valve are respectively arranged with described the 4th pipeline and the 5th pipeline.
The beneficial effects of the utility model：
By it is provided by the utility model processing nitrogen-containing wastewater system, can in metal carbonate technology of threonates not
It is respectively processed with waste water caused by link, when the ammonia nitrogen concentration in waste water is more than or equal to 20g/L, the second pipeline can be passed through
Crystallization apparatus is directly entered, generates ammonium salt crystal.
When the ammonia nitrogen concentration in waste water is between 10g/L~20g/L, can be entered by the 3rd pipeline reaction unit be used for after
Continuous dissolving ammonium carbonate or ammonium hydrogen carbonate, can also be by carbon unnecessary in waste water so as to can not only reduce deionized usage amount
Acid ion further generates metal carbonate precipitate, while improves further the ammonia nitrogen concentration in waste water, so as to logical
The second pipeline is crossed into crystallization apparatus generation ammonium salt crystal；Or first pass through the 4th pipeline and enter back extraction device, make organic phase
In metal ion enter in waste water, then entered by the 5th pipeline in reaction unit, can not only make the gold in waste water
Belong to the raw material that ion can again as generation metal carbonate, avoid directly discharge from causing water pollution, while can also make to give up
Ammonia nitrogen in water is further improved in reaction unit, and ammonium salt crystal is generated so as to enter crystallization apparatus by the second pipeline.
When the ammonia nitrogen concentration in waste water is less than or equal to 10g/L, it can directly stay in wash mill and metal carbonate is sunk
Shallow lake is cleaned, and is on the one hand reduced direct discharging of waste water and is caused water pollution, still further aspect also saves metal carbonate
The usage amount of production process reclaimed water.
By system provided by the utility model, caused waste water in metal carbonate production process can be handled respectively,
The ammonia nitrogen waste water directly discharge that not only avoid high concentration pollutes to water body, while can also effectively utilize the carbonic acid in waste water
Radical ion and metal ion, make its raw material as production metal carbonate again.The system architecture is simple, easily operated, just
In Industry Promotion.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model, below by the accompanying drawing to being needed to use in embodiment
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, correspond to this
For the those of ordinary skill in field, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the schematic diagram for the processing nitrogen-containing wastewater system that the utility model first embodiment provides；
Fig. 2 is the schematic diagram for the processing nitrogen-containing wastewater system that the utility model second embodiment provides；
Fig. 3 is the schematic diagram for the processing nitrogen-containing wastewater system that the utility model 3rd embodiment provides；
Fig. 4 is the schematic diagram for the processing nitrogen-containing wastewater system that the utility model fourth embodiment provides；
It is entitled corresponding to reference in accompanying drawing：1- reaction units, 2- wash mills, 3- crystallization apparatus, 4- back extraction
Take device, the pipelines of 5- first, the pipelines of 6- second, the pipelines of 7- the 3rd, the pipelines of 8- the 4th, the pipelines of 9- the 5th.
Embodiment
It is preferred embodiment of the present utility model below, it is noted that for those skilled in the art
For, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as the scope of protection of the utility model.
Embodiment 1
Fig. 1, the system of processing nitrogen-containing wastewater provided by the utility model, including reaction unit 1 and crystallization is refer to fill
3 are put, the first pipeline 5 is connected with reaction unit 1, the second pipeline 6 is connected between reaction unit 1 and crystallization apparatus 3.
When the ammonia nitrogen concentration in waste water is more than 20g/L, waste water directly can enter crystallization apparatus 3 by the second pipeline 6, enter
Row evaporative crystallization, obtain ammonium salt crystal.
Embodiment 2
It refer to Fig. 2, the system of processing nitrogen-containing wastewater provided by the utility model, including reaction unit 1, wash mill
2 and crystallization apparatus 3, the first pipeline 5 is connected with reaction unit 1, and the second pipe is connected between reaction unit 1 and crystallization apparatus 3
Road 6, the 3rd pipeline 7 is connected between wash mill 2 and reaction unit 1.
When the ammonia nitrogen concentration in waste water is more than 20g/L, waste water directly can enter crystallization apparatus 3 by the second pipeline 6, enter
Row evaporative crystallization, obtain ammonium salt crystal.Can directly it pass through for the waste water of 10g/L≤ammonia nitrogen concentration≤13g/L in wash mill 2
3rd pipeline 7 enters reaction unit 1.
Embodiment 3
It refer to Fig. 3, the system of processing nitrogen-containing wastewater provided by the utility model, including reaction unit 1, wash mill
2nd, crystallization apparatus 3 and back extraction device 4, are connected with the first pipeline 5 in reaction unit 1, between reaction unit 1 and crystallization apparatus 3
The second pipeline 6 is connected with, the 4th pipeline 8 is connected between wash mill 2 and back extraction device 4, back extraction device 4 and reaction fill
The 5th pipeline 9 is connected between putting 1.
When the ammonia nitrogen concentration in waste water is more than 20g/L, waste water directly can enter crystallization apparatus 3 by the second pipeline 6, enter
Row evaporative crystallization, obtain ammonium salt crystal.Can directly it pass through for the waste water of 18g/L≤ammonia nitrogen concentration≤20g/L in wash mill 2
4th pipeline 8 is entered in back extraction device 4, the metal ion in organic phase is stripped into waste water, then pass through the 5th pipeline 9
Into reaction unit 1.
Embodiment 4
It refer to Fig. 4, the system of processing nitrogen-containing wastewater provided by the utility model, including reaction unit 1, wash mill
2nd, crystallization apparatus 3 and back extraction device 4, are connected with the first pipeline 5 in reaction unit 1, between reaction unit 1 and crystallization apparatus 3
The second pipeline 6 is connected with, the 3rd pipeline 7, wash mill 2 and back extraction device are connected between wash mill 2 and reaction unit 1
The 4th pipeline 8 is connected between 4, is stripped between device 4 and reaction unit 1 and is connected with the 5th pipeline 9.
When the ammonia nitrogen concentration in waste water is more than 20g/L, waste water directly can enter crystallization apparatus 3 by the second pipeline 6, enter
Row evaporative crystallization, obtain ammonium salt crystal.Pass through for the waste water of 13g/L ＜ ammonia nitrogen concentration ＜ 18g/L in wash mill 2,60%
Three pipelines 7 enter reaction unit Isosorbide-5-Nitrae 0% by the 4th pipeline 8 enter back extraction device 4 in, by the metal in organic phase from
Son back extraction enters reaction unit 1 into waste water, then by the 5th pipeline 9.
Above example only expresses several embodiments of the present utility model, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the utility model patent scope can not be interpreted as.It should be pointed out that the ordinary skill for this area
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
- A kind of 1. system for handling nitrogen-containing wastewater, it is characterised in that：Including reaction unit and crystallization apparatus, the reaction unit In be connected with the first pipeline, the second pipeline is connected between the reaction unit and the crystallization apparatus.
- 2. the system of processing nitrogen-containing wastewater according to claim 1, it is characterised in that：Also include wash mill, it is described The 3rd pipeline is connected between wash mill and the reaction unit.
- 3. the system of processing nitrogen-containing wastewater according to claim 1, it is characterised in that：Also include wash mill and back extraction Take device, be connected with the 4th pipeline between the wash mill and the back extraction device, the back extraction device and described anti- Answer and be connected with the 5th pipeline between device.
- 4. the system of processing nitrogen-containing wastewater according to claim 2, it is characterised in that：Also include back extraction device, institute State and be connected with the 4th pipeline between wash mill and the back extraction device, between the back extraction device and the reaction unit It is connected with the 5th pipeline.
- 5. the system of processing nitrogen-containing wastewater according to claim 1, it is characterised in that：First pipeline and described Pump and valve are respectively arranged with two pipelines.
- 6. the system of processing nitrogen-containing wastewater according to claim 2, it is characterised in that：Be provided with 3rd pipeline pump and Valve.
- 7. the system of the processing nitrogen-containing wastewater according to any one claim of claim 3 or 4, it is characterised in that： Pump and valve are respectively arranged with the 4th described pipeline and the 5th pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086868.7U CN206680325U (en) | 2017-01-23 | 2017-01-23 | A kind of system for handling nitrogen-containing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086868.7U CN206680325U (en) | 2017-01-23 | 2017-01-23 | A kind of system for handling nitrogen-containing wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206680325U true CN206680325U (en) | 2017-11-28 |
Family
ID=60396334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720086868.7U Active CN206680325U (en) | 2017-01-23 | 2017-01-23 | A kind of system for handling nitrogen-containing wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206680325U (en) |
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2017
- 2017-01-23 CN CN201720086868.7U patent/CN206680325U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171205 Address after: 330001 Jiangxi province Zhanggong District of Jingdezhen City, West town of non-ferrous Metallurgical Industrial Park Patentee after: Jiangxi tungsten tungsten Co., Ltd. Address before: 330046 Beijing West Road, Jiangxi, China, No. 118, No. Patentee before: Jiangxi Rare Earth and Rare Metals Tungsten Group Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 341000 Jiangxi province Zhanggong District of Ganzhou City, West town of non-ferrous Metallurgical Industrial Park Patentee after: Jiangxi tungsten tungsten Co., Ltd. Address before: 330001 Jiangxi province Zhanggong District of Jingdezhen City, West town of non-ferrous Metallurgical Industrial Park Patentee before: Jiangxi tungsten tungsten Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |