CN103408138B - Containing the two-part biological treating equipment of high COD, high ammonia nitrogen coal chemical industry sewage - Google Patents
Containing the two-part biological treating equipment of high COD, high ammonia nitrogen coal chemical industry sewage Download PDFInfo
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- CN103408138B CN103408138B CN201310304472.1A CN201310304472A CN103408138B CN 103408138 B CN103408138 B CN 103408138B CN 201310304472 A CN201310304472 A CN 201310304472A CN 103408138 B CN103408138 B CN 103408138B
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Abstract
The invention discloses a kind of 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, two sections of biological treatment devices and control device.Because the present invention is by the process combination of two sections of biochemical treatments after first one section of biochemical treatment, utilize poisonous, the harmful and Biostatic material that one section of biochemical treatment apparatus is degraded in water in advance, reduce the load of follow-up two sections of biochemical treatment organic pollutants, reach better wastewater treatment efficiency; In addition, because one section of biological treatment device and two sections of biological treatment devices can independent operating and controls, ensure that effective operation of each biochemical treatment workshop section, make treatment facility flexible operation, impact resistance stronger.
Description
Technical field
The present invention relates to coal chemical industry sewage treatment facility field, specifically refer to a kind of two-part biological treating equipment containing high COD, high ammonia nitrogen coal chemical industry sewage.
Background technology
Can large amount of sewage be discharged in coal chemical industry enterprises production process, general containing poisonous and harmful substances such as a large amount of suspended substance, phenol, cyanogen, oil, ammonia nitrogens in sewage.Wherein, organic pollutant (COD) and the ammonia nitrogen (NH3-N) of sewage middle and high concentration are 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, the process 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, there is the treatment process of some new coal chemical industrial waste waters in recent years, as PACT method, anaerobic biological process, anaerobic-aerobic biological process etc., PACT method make use of the adsorption of Active Carbon in Organic and dissolved oxygen, for microbial growth provides food, thus accelerate organic oxidative decomposition capacity, this treatment process removal effect when organic pollutants (COD) and ammonia nitrogen (NH3-N) dense is poor, is difficult to reach desirable decontamination effect improving; Then there is the shortcomings such as operation stability difference, impact resistance be weak in simple anaerobic biological process, anaerobic-aerobic Biochemical method equipment, the normal table that have impact on Sewage Plant runs.At present, the new problem of sewage treatment process development is become for the high-performance bio treatment facility of coal chemical industry sewage development of new containing high COD, high ammonia nitrogen.
Summary of the invention
Technical problem to be solved by this invention is the present situation for prior art, provides 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.
The present invention 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, two sections of biological treatment devices and control device.
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 channels.
Preferably, described terminal sludge-water separating system comprises terminal mud-water separation district and two sections of biochemical systems and terminal sludge-water separating system and cuts off facility.
Preferably, described control device comprises air-blast system and Controlling System.
Compared with prior art, the invention has the advantages that: owing to present invention employs the treatment facility comprising 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, utilize poisonous, the harmful and Biostatic material that one section of biochemical treatment apparatus is degraded in water in advance, reduce the load of follow-up two sections of biochemical treatment organic pollutants, reach better wastewater treatment efficiency; In addition, because one section of biological treatment device and two sections of biological treatment devices can independent operating and controls, ensure that effective operation of each biochemical treatment workshop section, make treatment facility flexible operation, impact resistance stronger.
Accompanying drawing explanation
Fig. 1 is technical process of the present invention and combination unit figure.
Embodiment
Be described in further detail below in conjunction with accompanying drawing.
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, comprises one section of biological treatment device, I, two sections of biological treatment devices II and control device III.
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 2, one section of biochemical aerobic zone 3,1, one section of biochemical oxygen-starved area, one section of biochemical anaerobic zone 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 devices 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 6, two sections of biochemical aerobic zones 7,5, two sections of biochemical oxygen-starved areas, two sections of biochemical anaerobic zones according to the difference of water degree for the treatment of; Terminal sludge-water separating system comprises terminal mud-water separation district 8 and two sections of biochemical systems and terminal sludge-water separating system and cuts 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 channel 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 to the biochemical treatment functional zone such as acidication district as required.
One section of biological treatment device I and two sections of biological treatment devices II can independently be arranged 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, after sewage flows into 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, promoted by one section of sludge reflux and exhaust-control valve 9 after one section of biochemical sludge is concentrated by intermediate sedimentation pond 4, one section of biochemical system is back to by one section of sludge reflux passage 12, 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, promoted by two sections of sludge refluxes and exhaust-control valve 10 after two sections of biochemical sludges are concentrated by terminal mud-water separation district 8, two sections of biochemical systems are back to by two sections of sludge reflux passages 15, excess sludge is discharged by two sections of spoil disposal passages 16, the current be purified are discharged by drainage channel 11.Air-blast system 17 can supply aerobic zone aeration or other technique required airs.
Two sections of biological treatment devices II and terminal mud-water separation district 8 can divide and build or build jointly, two sections of biochemical systems are set and terminal sludge-water separating system cuts off facility 14, the unlatching of this partition facility or close and terminal mud-water separation district 8 can be communicated with two sections of biochemical systems or cut off when employing is built jointly.
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.
I, the two sections of biological treatment devices II of one section of biological treatment device in treatment facility and air-blast system 17 are all run automatically by the centralized Control of Controlling System 18.Controlling System 18 adjusts the parameter such as operation condition, flow of each system, equipment automatically by the monitoring to dissolved oxygen concentration, ORP, flow, pressure, liquid level and Inlet and outlet water water quality etc., to meet the operation control overflow of whole process system.
Embodiment 2: adopt shown in Fig. 1 containing high COD, the two-part biological treating equipment of high ammonia nitrogen coal chemical industry sewage, be COD=700mg/L to main influent quality, 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 immersed ultrafiltration film filtration effluent, whole treating processes by Controlling System 18 according to water quality, operational monitoring instrument and setting operating parameter auto-controll operation, process rear effluent quality and reach COD≤60mg/l, BOD5≤10mg/L, ammonia nitrogen≤10mg/L, the standard of SS≤10mg/l, flexible and efficient process can be realized containing high COD, the object of high ammonia nitrogen coal chemical industry sewage.
Claims (5)
1. one kind contains high COD, the two-part biological treating equipment of high ammonia nitrogen coal chemical industry sewage, it is characterized in that: this equipment comprises in water of degrading in advance poisonous, harmful with one section of biological treatment device of Biostatic material and the two sections of biological treatment devices be connected with this section of biological treatment device, described one section of biological treatment device and two sections of biological treatment devices are by control device controlling run, 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,
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 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 biological treatment devices comprise two sections of biochemical systems, terminal sludge-water separating system and two sections of sludge refluxes and blowdown system; 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 channels;
Be provided with connected sum between described one section of sludge reflux passage and two sections of sludge reflux passages and cut off facility.
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 biochemical system comprises one section of biochemical anaerobic zone, one section of biochemical oxygen-starved area and one section of biochemical aerobic zone.
3. 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 biochemical systems comprise two sections of biochemical anaerobic zones, two sections of biochemical oxygen-starved areas and two sections of biochemical aerobic zones.
4. 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 terminal sludge-water separating system comprises terminal mud-water separation district and two sections of biochemical systems and terminal sludge-water separating system and cuts off facility.
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 control device comprises air-blast system and Controlling System.
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| CN201310304472.1A CN103408138B (en) | 2013-07-16 | 2013-07-16 | Containing the two-part biological treating equipment of high COD, high ammonia nitrogen coal chemical industry sewage |
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| CN201310304472.1A CN103408138B (en) | 2013-07-16 | 2013-07-16 | Containing the two-part biological treating equipment of high COD, high ammonia nitrogen coal chemical industry sewage |
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| CN103408138B true CN103408138B (en) | 2016-01-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105948259A (en) * | 2016-07-18 | 2016-09-21 | 符惠 | Combined sewage purification treatment process and use method |
| CN105923934A (en) * | 2016-07-18 | 2016-09-07 | 符惠 | Combined sewage treatment system convenient to operate, and use method thereof |
| CN109485151B (en) * | 2018-11-26 | 2023-08-29 | 上海泓济环保科技股份有限公司 | Device and process for treating wastewater from production of ethylene glycol from synthesis gas |
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Address after: No. 660, academician Road, Ningbo high tech Zone, Zhejiang Province Co-patentee after: SINOPEC Ningbo Technology Research Institute Co., Ltd. Patentee after: SINOPEC Ningbo Engineering Company Limited Co-patentee after: CITIC Environmental Technology (Tianjin) Co., Ltd. Co-patentee after: SINOPEC Engineering (Group) Co., Ltd. Address before: No. 660, academician Road, Ningbo high tech Zone, Zhejiang Province Co-patentee before: SINOPEC Ningbo Technology Research Institute Co., Ltd. Patentee before: SINOPEC Ningbo Engineering Company Limited Co-patentee before: NOVO Envirotech (Tianjin) Ltd. Co-patentee before: SINOPEC Engineering (Group) Co., Ltd. |
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