CN203461879U - Two-segment type biological treatment equipment for coal chemical sewage with high COD (Chemical Oxygen Demand) and high ammonia nitrogen - Google Patents
Two-segment type biological treatment equipment for coal chemical sewage with high COD (Chemical Oxygen Demand) and high ammonia nitrogen Download PDFInfo
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- CN203461879U CN203461879U CN201320428247.4U CN201320428247U CN203461879U CN 203461879 U CN203461879 U CN 203461879U CN 201320428247 U CN201320428247 U CN 201320428247U CN 203461879 U CN203461879 U CN 203461879U
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Abstract
The utility model discloses two-segment type biological treatment equipment for coal chemical sewage with high COD (Chemical Oxygen Demand) and high ammonia nitrogen. The equipment is characterized by comprising a first-segment biological treatment device, a second-segment biological treatment device and a control device. According to the two-segment type biological treatment equipment, a process combination of firstly carrying out first-segment biochemical treatment and then carrying out second-segment biochemical treatment is utilized; the first-segment biological treatment device is used for degrading toxic and harmful matters and matters with biological inhibition in the water so as to reduce the load of organic pollutants of the subsequent second-segment biochemical treatment and obtain the good sewage treatment effect; furthermore, the first-segment biological treatment device and the second-segment biological treatment device can be operated and controlled independently so that the effective operation of each biological treatment working section is guaranteed, the operation of the treatment equipment is flexible and the anti-impact capability is strong.
Description
Technical field
The utility model relates to coal chemical industry sewage treatment facility field, specifically refers to a kind of two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage.
Background technology
In coal chemical industry enterprises production process, can discharge large amount of sewage, in sewage, generally contain the poisonous and harmful substances such as a large amount of suspended substances, phenol, cyanogen, oil, ammonia nitrogen.Wherein, the organic pollutant of sewage middle and high concentration (COD) and ammonia nitrogen (NH
3-N) be difficult to be biodegradable, the existence of a large amount of recalcitrant substances causes water quality and quantity to change greatly, and biodegradability is poor, and the processing of this coal chemical industry sewage containing high COD, high ammonia nitrogen is the difficult problem in Pollutant Treatment field always.In order to solve this difficult problem, the treatment process that has occurred in recent years the coal chemical industrial waste water that some are new, as PACT method, anaerobic biological process, anaerobic-aerobic biological process etc., PACT method has been utilized the adsorption of Active Carbon in Organic and dissolved oxygen, for microbial growth provides food, thereby accelerate organic oxidative decomposition capacity, this treatment process is at organic pollutants (COD) and ammonia nitrogen (NH
3during-N) dense, removal effect is poor, is difficult to the decontamination effect improving that reaches desirable; There is the shortcomings such as operation stability is poor, impact resistance is weak in simple anaerobic biological process, anaerobic-aerobic biological process treatment facility, has affected the normal steady running of Sewage Plant.At present, for the high-performance bio treatment facility of the coal chemical industry sewage development of new containing high COD, high ammonia nitrogen, become the new problem of sewage treatment process development.
Utility model content
Technical problem to be solved in the utility model is the present situation for prior art, and the two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage that a kind of flexible operation, strong shock resistance, treatment effect are good is provided.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage, this equipment comprises one section of biological treatment device and two sections of biological treatment devices that can move under the control of control device, the outlet of described one section of biological treatment device is connected with the import of two sections of biological treatment devices, described one section of biological treatment device and two sections of biological treatment devices also respectively correspondence be provided with exhaust channel.
As preferably, described one section of biological treatment device comprises one section of biochemical system, intermediate sedimentation pond and one section of sludge reflux and blowdown system; Described two sections of biological treatment devices comprise two sections of biochemical systems, terminal sludge-water separating system and two sections of sludge refluxes and blowdown system.
Preferably, described one section of biochemical system comprises one section of biochemical anaerobic zone, one section of biochemical oxygen-starved area and one section of biochemical aerobic zone; Described two sections of biochemical systems comprise two sections of biochemical anaerobic zones, two sections of biochemical oxygen-starved areas and two sections of biochemical aerobic zones.
Preferably, described one section of sludge reflux and blowdown system comprise one section of sludge reflux and exhaust-control valve, one section of sludge reflux passage and one section of spoil disposal passage; Described two sections of sludge refluxes and blowdown system comprise two sections of sludge refluxes and exhaust-control valve, two sections of sludge reflux passages, two sections of spoil disposal passages and drainage channel.
Preferably, described terminal sludge-water separating system comprises that terminal mud-water separation district and two sections of biochemical systems and terminal sludge-water separating system cut off facility.
Preferably, described control device comprises air-blast system and Controlling System.
Compared with prior art, the utility model has the advantage of: because the utility model has adopted the treatment facility that comprises one section of biological treatment device, two sections of biological treatment devices and control device, by the process combination of two sections of biochemical treatments after first one section of biochemical treatment, poisonous, the harmful and Biostatic material that utilizes one section of biochemical treatment apparatus to degrade in advance in water, reduce the load of follow-up two sections of biochemical treatment organic pollutants, reached better wastewater treatment efficiency; In addition, can independent operating and control due to one section of biological treatment device and two sections of biological treatment devices, guarantee effective operation of Liao Ge biochemical treatment workshop section, make treatment facility flexible operation, impact resistance stronger.
Accompanying drawing explanation
Fig. 1 is technical process of the present utility model and combination unit figure.
Embodiment
Below in conjunction with accompanying drawing, be described in further detail.
Embodiment 1: as shown in Figure 1, a kind of two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage, this equipment comprises one section of biological treatment device I and the two sections of biological treatment device II that can move under the control of control device III, the outlet of one section of biological treatment device I is connected with the import of two sections of biological treatment device II, one section of biological treatment device and two sections of biological treatment devices also respectively correspondence be provided with exhaust channel.
Above-mentioned one section of biological treatment device I comprises one section of biochemical system, intermediate sedimentation pond 4 and one section of sludge reflux and blowdown system, wherein, one section of biochemical system can comprise all or part of of the biochemical oxygen-starved area in one section of biochemical anaerobic zone 1, a section 2, one section of biochemical aerobic zone 3 according to the difference of water water quality; One section of sludge reflux and blowdown system comprise one section of sludge reflux and exhaust-control valve 9, one section of sludge reflux passage 12 and one section of spoil disposal passage 13.
Above-mentioned two sections of biological treatment device II comprise two sections of biochemical systems, terminal sludge-water separating system and two sections of sludge refluxes and blowdown system, wherein, two sections of biochemical systems can comprise all or part of of the biochemical oxygen-starved area in two sections of biochemical anaerobic zones 5, two sections 6, two sections of biochemical aerobic zones 7 according to the difference of water degree for the treatment of; Terminal sludge-water separating system comprises that terminal mud-water separation district 8 and two sections of biochemical systems and terminal sludge-water separating system cut off facility 14; Two sections of sludge refluxes and blowdown system comprise two sections of sludge refluxes and exhaust-control valve 10, two sections of sludge reflux passages 15, two sections of spoil disposal passages 16 and drainage channels 11.
Above-mentioned control device III comprises air-blast system 17 and Controlling System 18.
Above-mentioned one section of biochemical anaerobic zone 1 or one section of biochemical oxygen-starved area 2 also can be adjusted into the biochemical treatment functional zone such as acidication district as required.
One section of biological treatment device I and two sections of biological treatment device II can independently arrange separately.
According to processing requirement, above-mentioned terminal mud-water separation district 8 can adopt settling tank or membrane sepn etc.
In the present embodiment, sewage flows into after treatment facility, successively through one section of biochemical anaerobic zone 1, one section of biochemical oxygen-starved area 2, corresponding biochemical reaction is carried out in one section of biochemical aerobic zone 3, then enter intermediate sedimentation pond 4 and carry out mud-water separation, after one section of biochemical sludge is concentrated by intermediate sedimentation pond 4, by one section of sludge reflux and exhaust-control valve 9, promoted, by one section of sludge reflux passage 12, be back to one section of biochemical system, excess sludge is discharged by one section of spoil disposal passage 13, the supernatant liquor in intermediate sedimentation pond 4 is more successively through two sections of biochemical anaerobic zones 5, two sections of biochemical oxygen-starved areas 6, corresponding biochemical reaction is carried out in two sections of biochemical aerobic zones 7, then enter terminal mud-water separation district 8 and carry out final mud-water separation, after two sections of biochemical sludges are concentrated by terminal mud-water separation district 8, by two sections of sludge refluxes and exhaust-control valve 10, promoted, by two sections of sludge reflux passages 15, be back to two sections of biochemical systems, excess sludge is discharged by two sections of spoil disposal passages 16, the current that are purified are discharged by drainage channel 11.Air-blast system 17 can be supplied aerobic zone aeration or other technique required airs.
Two sections of biological treatment device II and terminal mud-water separation district 8 can divide and build or build jointly, two sections of biochemical systems and terminal sludge-water separating system are set when employing is built jointly and cut off facility 14, the unlatching of this partition facility or close and terminal mud-water separation district 8 can be communicated with or cut off with two sections of biochemical systems.
One section of sludge reflux passage 12 and two sections of sludge reflux passages 15 are provided with connected sum and cut off facility, the mud of two sections of biochemical systems can be allocated mutually if desired.
One section of biological treatment device I in treatment facility, two sections of biological treatment device II and air-blast system 17 are all moved automatically by the centralized Control of Controlling System 18.Controlling System 18, by the monitoring of dissolved oxygen concentration, ORP, flow, pressure, liquid level and Inlet and outlet water water quality etc. being adjusted automatically to the parameters such as operation condition, flow of each system, equipment, is controlled requirement to meet the operation of whole process system.
Embodiment 2: adopt the high COD that contains shown in Fig. 1, the two-part biological treating equipment of high ammonia nitrogen coal chemical industry sewage, to main influent quality, be COD=700mg/L, BOD5=450mg/L, SS=50mg/l, the coal chemical industry sewage of ammonia nitrogen=270mg/l is carried out a biological disposal upon, one section of biochemical system adopts one section of biochemical aerobic zone 3, hydraulic detention time is 12h, sludge concentration is 4000mg/L, intermediate sedimentation pond 4 adopts radical sedimentation basin, two sections of biochemical systems adopt two sections of biochemical oxygen-starved areas 6 and two sections of biochemical aerobic zones 7, hydraulic detention time is 50h, sludge concentration is 6000mg/l, terminal mud-water separation district 8 adopts the water outlet of submerged ultrafiltration membrance filter, all treating processess by Controlling System 18 according to water quality, operational monitoring instrument and setting operating parameter auto-controll operation, after finishing dealing with, effluent quality reaches COD≤60mg/l, BOD5≤10mg/L, ammonia nitrogen≤10mg/L, the standard of SS≤10mg/l, can realize flexible and efficient processing containing high COD, the object of high ammonia nitrogen coal chemical industry sewage.
Claims (9)
1. the two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage, it is characterized in that: this equipment comprises one section of biological treatment device and two sections of biological treatment devices that can move under the control of control device, the outlet of described one section of biological treatment device is connected with the import of two sections of biological treatment devices, described one section of biological treatment device and two sections of biological treatment devices also respectively correspondence be provided with exhaust channel.
2. the two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage according to claim 1, is characterized in that: described one section of biological treatment device comprises one section of biochemical system, intermediate sedimentation pond and one section of sludge reflux and blowdown system.
3. the two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage according to claim 2, is characterized in that: described one section of biochemical system comprises one section of biochemical anaerobic zone, one section of biochemical oxygen-starved area and one section of biochemical aerobic zone.
4. the two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage according to claim 2, is characterized in that: described one section of sludge reflux and blowdown system comprise one section of sludge reflux and exhaust-control valve, one section of sludge reflux passage and one section of spoil disposal passage.
5. the two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage according to claim 1, is characterized in that: described two sections of biological treatment devices comprise two sections of biochemical systems, terminal sludge-water separating system and two sections of sludge refluxes and blowdown system.
6. the two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage according to claim 5, is characterized in that: described two sections of biochemical systems comprise two sections of biochemical anaerobic zones, two sections of biochemical oxygen-starved areas and two sections of biochemical aerobic zones.
7. the two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage according to claim 5, is characterized in that: described two sections of sludge refluxes and blowdown system comprise two sections of sludge refluxes and exhaust-control valve, two sections of sludge reflux passages, two sections of spoil disposal passages and drainage channel.
8. the two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage according to claim 5, is characterized in that: described terminal sludge-water separating system comprises terminal mud-water separation district and two sections of biochemical systems and terminal sludge-water separating system partition facility.
9. the two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage according to claim 1, is characterized in that: described control device comprises air-blast system and Controlling System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320428247.4U CN203461879U (en) | 2013-07-16 | 2013-07-16 | Two-segment type biological treatment equipment for coal chemical sewage with high COD (Chemical Oxygen Demand) and high ammonia nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320428247.4U CN203461879U (en) | 2013-07-16 | 2013-07-16 | Two-segment type biological treatment equipment for coal chemical sewage with high COD (Chemical Oxygen Demand) and high ammonia nitrogen |
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| Publication Number | Publication Date |
|---|---|
| CN203461879U true CN203461879U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320428247.4U Withdrawn - After Issue CN203461879U (en) | 2013-07-16 | 2013-07-16 | Two-segment type biological treatment equipment for coal chemical sewage with high COD (Chemical Oxygen Demand) and high ammonia nitrogen |
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| CN (1) | CN203461879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408138A (en) * | 2013-07-16 | 2013-11-27 | 中石化宁波工程有限公司 | Two-stage biological treatment equipment for high COD and high NH3-N coal chemical sewage |
| CN109336332A (en) * | 2018-11-13 | 2019-02-15 | 中石化炼化工程（集团）股份有限公司 | A kind of processing method and organic sewage treatment device suitable for high COD organic sewage |
-
2013
- 2013-07-16 CN CN201320428247.4U patent/CN203461879U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408138A (en) * | 2013-07-16 | 2013-11-27 | 中石化宁波工程有限公司 | Two-stage biological treatment equipment for high COD and high NH3-N coal chemical sewage |
| CN103408138B (en) * | 2013-07-16 | 2016-01-13 | 中石化宁波工程有限公司 | Containing the two-part biological treating equipment of high COD, high ammonia nitrogen coal chemical industry sewage |
| CN109336332A (en) * | 2018-11-13 | 2019-02-15 | 中石化炼化工程（集团）股份有限公司 | A kind of processing method and organic sewage treatment device suitable for high COD organic sewage |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160817 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160817 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |