CN205974169U - Coking wastewater nitrate nitrogen removing device - Google Patents
Coking wastewater nitrate nitrogen removing device Download PDFInfo
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- CN205974169U CN205974169U CN201620801276.4U CN201620801276U CN205974169U CN 205974169 U CN205974169 U CN 205974169U CN 201620801276 U CN201620801276 U CN 201620801276U CN 205974169 U CN205974169 U CN 205974169U
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Abstract
The utility model relates to a coking wastewater nitrate nitrogen removing device, handle case and guarantee case including the denitrogenation, the denitrogenation is handled the case and is passed through the communicating pipe intercommunication with the guarantee case, the denitrogenation is handled the case and is established the inlet tube, and agitating unit is established to inside, the outlet pipe is established to the guarantee case, and oxygen supply equipment is established to the bottom, and inside is established the suspension and is packed, establishes the filter in the guarantee case box before the outlet pipe, the denitrogenation is handled case upper portion and is equipped with the equipment of offeing medicine, and the equipment of offeing medicine comprises medicament storage tank, medicament pump and medicament pipeline. The utility model discloses an integrated device of case and guarantee case is handled in integrated denitrogenation, carries out the nitrate nitrogen desorption to the coking wastewater who handles through one -level AO, goes out water and gets into and carry out subsequent processing in the former systematic sedimentation tank, device simple structure, the installation form is nimble, not restricted by the site condition, especially adaptedly carries out transformation and upgrading in original coking wastewater treatment system.
Description
Technical field
This utility model is related to Technologies of Coke Plant Wastewater Treatment field, the coking chemical waste water nitrate of more particularly, to a kind of integrated form
Nitrogen removing means.
Background technology
At present, Treatment of Coking Effluent commonly used A/O Biological Denitrification Treatment Technologies, after process, coking chemical waste water can reach state
Family's integrated wastewater discharge standard, the ammonia nitrogen in waste water can control in below 10mg/L；Integrated wastewater discharge standard was not right in the past
This index of total nitrogen claims, actual measurement Treatment of Coking Effluent station water outlet total nitrogen surpluses higher, often reach 40mg/L with
On, the water outlet total nitrogen of minority waste water processing station is even as high as more than 70mg/L.
Implement in full from 1 day January in 2015《Coking chemistry emission of industrial pollutants standard》In, increased and coking is given up
Total nitrogen index request in water outlet after water process, its direct emission limit is 20mg/L.Water outlet after to Treatment of Coking Effluent
Analysis detection display, in water outlet with nitrate salts exist nitrogen account for 77%～89% of total nitrogen in water outlet, therefore, handle well
Nitrate nitrogen so that it may realize total nitrogen removing up to standard.
Because existing coal chemical enterprise adopts one-level A/O handling process mostly, that is, coking chemical waste water sequentially passes through pretreatment, A/O
Biochemical treatment tank, sedimentation tank, successive depths process after water outlet；Limited by the field, it is difficult to be further added by new processing pond.
Content of the invention
This utility model provides a kind of coking chemical waste water nitrate nitrogen removing means, using integrated denitrogenation processing case and guarantee
The integrated apparatus of case, carry out nitrate nitrogen removing to the coking chemical waste water processing through one-level A/O, and water outlet enters the heavy of original system
Carry out subsequent treatment in the pond of shallow lake；Apparatus structure is simple, and installation form flexibly, is not limited by site condition, is very suitable for original
Coking wastewater processing system carries out transformation and upgrade.
In order to achieve the above object, this utility model employs the following technical solutions realization：
A kind of coking chemical waste water nitrate nitrogen removing means, including denitrogenation processing case and guarantee case, denitrogenation processing case and guarantee
Case is set up in parallel composition integrated apparatus, and denitrogenation processing case is connected by being located at the communicating pipe of space bar bottom with guarantee case；Institute
The outer upper stating denitrogenation processing case sets water inlet pipe, and inside sets agitating device；Ensure that the outer upper of case sets out water pipe, bottom sets
Oxygen supply equipment, inside sets floating stuffing, sets screen plate in the guarantee box body before outlet pipe；Denitrogenation processing upper box part is provided with dispensing
Equipment, administration apparatus are made up of medicament storage tank, compound pump and pharmaceutical pipeline, and the drug entering side of pharmaceutical pipeline connects medicine by compound pump
Agent storage tank, medicine outlet end is positioned close in the denitrogenation processing case of water inlet pipe.
Described oxygen supply equipment is aerator, or the air line with multiple ventholes.
Described floating stuffing is VPVC product.
The water inlet absolute altitude of described water inlet pipe is higher than the outlet absolute altitude of outlet pipe.
Described screen plate is arranged in guarantee case by filtering board mount.
Described agitating device is propeller or stirring paddle under liquid.
Compared with prior art, the beneficial effects of the utility model are：
1) adopt integrated denitrogenation processing case and the integrated apparatus of guarantee case, enter to through the coking chemical waste water that one-level A/O is processed
Row nitrate nitrogen removes, and carries out subsequent treatment in the sedimentation tank of water outlet entrance original system；
2) apparatus structure is simple, and floor space is little, is not limited by site condition, and treatment effect is reliable and stable, is especially suitable for
Carry out transformation and upgrade in original coking wastewater processing system；
3) installation form flexibly, can be in the case of not affecting the normal operation of existing coking wastewater processing system, fast side
Just, in access system, high efficiency realizes water outlet total nitrogen target up to standard.
Brief description
Fig. 1 is the structural representation of coking chemical waste water nitrate nitrogen removing means described in the utility model.
Fig. 2 is that coking chemical waste water nitrate nitrogen removing means described in the utility model accesses original coking wastewater processing system
Schematic diagram.
In figure：1. denitrogenation processing case 11. medicament mixed zone 12. agitating device 2. ensures case 21. oxygen supply equipment 22.
Floating stuffing 23. screen plate, 3. administration apparatus, 31. medicament storage tank, 32. compound pump, 33. pharmaceutical pipeline 4. communicating pipe 5. enters
Water pipe 6. outlet pipe
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described further：
As shown in figure 1, a kind of coking chemical waste water nitrate nitrogen removing means described in the utility model, including denitrogenation processing case 1
And ensureing case 2, denitrogenation processing case 1 and guarantee case 2 are set up in parallel composition integrated apparatus, and denitrogenation processing case 1 is passed through with guarantee case 2
The communicating pipe 4 being located at space bar bottom connects；The outer upper of described denitrogenation processing case 1 sets water inlet pipe 5, and inside sets agitating device
12；Ensure that the outer upper of case 2 sets out water pipe 6, bottom sets oxygen supply equipment 21, and inside sets floating stuffing, the guarantee before outlet pipe 6
Screen plate 23 is set in case 2 casing；Denitrogenation processing case 1 top is provided with administration apparatus 3, and administration apparatus 3 are by medicament storage tank 31, compound pump
32 and pharmaceutical pipeline 33 form, the drug entering side of pharmaceutical pipeline 33 connects medicament storage tank 31 by compound pump 32, and medicine outlet end is arranged on
In the denitrogenation processing case 1 of water inlet pipe 5.
Described oxygen supply equipment 21 is aerator, or the air line with multiple ventholes.
Described floating stuffing 22 is VPVC product.
The water inlet absolute altitude of described water inlet pipe 5 is higher than the outlet absolute altitude of outlet pipe.
Described screen plate 23 is arranged in guarantee case by filtering board mount.
Described agitating device 12 is propeller or stirring paddle under liquid.
As shown in Fig. 2 during a kind of coking chemical waste water nitrate nitrogen removing means application described in the utility model, by water inlet pipe 5
One end is connected with the outlet of A/O biochemical treatment apparatus, and outlet pipe 6 one end connects sedimentation tank；Through pretreatment and the life of one-level A/O
Coking chemical waste water after change is processed enters in denitrogenation processing case 1 by water inlet pipe 5, the first dosing mixed zone 11 near water inlet pipe 5
The medicament being put into administration apparatus 3 is sufficiently mixed, and subsequently into reaction zone, carries out mixing anti-under the stirring of agitating device 12
Should, after through space bar bottom communicating pipe 4 flow into ensure case 2 in；Ensure and be provided with oxygen supply equipment 21 inside case 2, can play
The effect of Aeration tank, is provided with floating stuffing 22 above oxygen supply equipment 21, floating stuffing 22 adopts VPVC product, its specific surface area
Greatly, space is many, is particularly suitable for biofilm development, and ageing-resistant.For preventing floating stuffing 22 to run off with water outlet, ensure case 2 end
It is provided with screen plate 23 before outlet pipe 6, crown_interception is played to floating stuffing 22.
The offerd medicine agent of administration apparatus 3, as carbon source, can be one of methanol, sodium acetate or glucose, routinely than
Example mixes.
【Embodiment】
One 100m of certain coal chemical enterprise3The coking wastewater processing system of/h, former water outlet total nitrogen is 37～51mg/L.By
Increase coking chemical waste water nitrate nitrogen removing means described in the utility model in original system, by administration apparatus 3 put into methanol with
Water mixes, total residence time 5h.To going out water sampling detection after device debugging normal operation, total nitrogen content is 12.4mg/L, low
Standard within total nitrogen 20mg/L requires, and can qualified discharge.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any those familiar with the art in the technical scope that this utility model discloses, according to this practicality
New technical scheme and its utility model design in addition equivalent or change, all should cover in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of coking chemical waste water nitrate nitrogen removing means is it is characterised in that including denitrogenation processing case and ensureing case, denitrogenation processing
Case and guarantee case are set up in parallel composition integrated apparatus, and denitrogenation processing case and guarantee case are by being located at the communicating pipe of space bar bottom
Connection；The outer upper of described denitrogenation processing case sets water inlet pipe, and inside sets agitating device；Ensure that the outer upper of case sets out water
Pipe, bottom sets oxygen supply equipment, and inside sets floating stuffing, sets screen plate in the guarantee box body before outlet pipe；On denitrogenation processing case
Portion is provided with administration apparatus, and administration apparatus are made up of medicament storage tank, compound pump and pharmaceutical pipeline, and medicine is passed through in the drug entering side of pharmaceutical pipeline
Agent pump connects medicament storage tank, and medicine outlet end is positioned close in the denitrogenation processing case of water inlet pipe.
2. a kind of coking chemical waste water nitrate nitrogen removing means according to claim 1 is it is characterised in that described oxygen supply equipment
For aerator, or the air line with multiple ventholes.
3. a kind of coking chemical waste water nitrate nitrogen removing means according to claim 1 is it is characterised in that described floating stuffing
For VPVC product.
4. a kind of coking chemical waste water nitrate nitrogen removing means according to claim 1 is it is characterised in that described water inlet pipe
Water inlet absolute altitude is higher than the outlet absolute altitude of outlet pipe.
5. a kind of coking chemical waste water nitrate nitrogen removing means according to claim 1 is it is characterised in that described screen plate leads to
Filtration board mount is arranged in guarantee case.
6. a kind of coking chemical waste water nitrate nitrogen removing means according to claim 1 is it is characterised in that described agitating device
For propeller under liquid or stirring paddle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620801276.4U CN205974169U (en) | 2016-07-28 | 2016-07-28 | Coking wastewater nitrate nitrogen removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620801276.4U CN205974169U (en) | 2016-07-28 | 2016-07-28 | Coking wastewater nitrate nitrogen removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205974169U true CN205974169U (en) | 2017-02-22 |
Family
ID=58028091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620801276.4U Active CN205974169U (en) | 2016-07-28 | 2016-07-28 | Coking wastewater nitrate nitrogen removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205974169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145525A (en) * | 2016-07-28 | 2016-11-23 | 中冶焦耐(大连)工程技术有限公司 | A kind of coking chemical waste water nitrate nitrogen removing means |
-
2016
- 2016-07-28 CN CN201620801276.4U patent/CN205974169U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145525A (en) * | 2016-07-28 | 2016-11-23 | 中冶焦耐(大连)工程技术有限公司 | A kind of coking chemical waste water nitrate nitrogen removing means |
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