CN205222926U - Industrial wastewater treatment system based on endogenous consumption of mud - Google Patents
Industrial wastewater treatment system based on endogenous consumption of mud Download PDFInfo
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- CN205222926U CN205222926U CN201520377234.8U CN201520377234U CN205222926U CN 205222926 U CN205222926 U CN 205222926U CN 201520377234 U CN201520377234 U CN 201520377234U CN 205222926 U CN205222926 U CN 205222926U
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Abstract
The utility model discloses an industrial wastewater treatment system based on endogenous consumption of mud. Industrial wastewater treatment system based on endogenous consumption of mud includes: grid well, the first pond of hydrolysising, the first sedimentation tank of hydrolysising, anaerobism tower, combined governing pond, second hydrolysis pond, second hydrolysis sedimentation tank, biological good oxygen pond, two sink pond and discharging pool. Industrial wastewater treatment system based on endogenous consumption of mud carries out high concentration and well low concentration industrial waste water the collection of branch matter, handles: high concentration industrial waste water mixes with well low concentration waste water behind hydrolytic acidification, anaerobic treatment, and the purpose of industrial waste water processing procedure organic sludge zero release through mud infinite reflux to oxygen deficiency pond and the biological good oxygen pond that biological treatment produced, is realized to hydrolyze, biological aerobic treatment together again.
Description
Technical field
The utility model relates to technical field of waste water processing, particularly relates to a kind of industrial wastewater treatment system based on the endogenous consumption of mud.
Background technology
The process of China's industry (organic) waste water adopts activated sludge process mostly, and it has construction investment province, advantage that treatment effect is good, but traditional activated sludge process will produce a large amount of excess sludges.Excess sludge contains the organism of a considerable amount of hazardous and noxious substances and non-stabilization usually, if do not carry out appropriate process and disposal, can cause direct or potential pollution to environment.In traditional activated sludge process, often degrade 1kgBOD
5the excess sludge of about 15 ~ 100L can be produced, for the treatment of or the expense for the treatment of excess sludge account for 25% ~ 65% of wastewater treatment total expenses.Process and the disposal of industrial wastewater sludge have become a great problem of environmental area.
Technology at present for sludge reduction mainly contains three classes, one class is the Sludge Reduction Technologies based on recessive growth, namely based on cytolysis (or decomposition)---the Sludge Reduction Technologies of recessive growth, as the method reducing sludge loading ratio (raising sludge concentration), increase sludge age, improve temperature change process operation operating method, ozone chemistry treatment process, ultrasonic wave or Mechanical Crushing is adopted to decompose physical treatment method etc.; Equations of The Second Kind is the Sludge Reduction Technologies based on microfauna prey, i.e. the sludge reduction technology of the quantity of bacterium predator in increase system; 3rd class is the Sludge Reduction Technologies based on uncoupling, namely adopts chemistry or biological method to promote uncoupling metabolism, causes energy leakage, thus make biological growth decrease in efficiency.
But above-mentioned three class methods all also exist various problems: based on the Sludge Reduction Technologies of recessive growth---as supersonic method is still in conceptual phase at home, Ozonation investment is relatively large, energy consumption is large; The removal efficiency of microfauna prey method to Determination of Total Nitrogen in Waste Water and total phosphorus is not good, the kind of microorganism and the more difficult control of quantity; Add chemistry and separate the removal that even agent method can reduce system COD and nutritive substance, affect the settleability of active sludge, and there is certain toxicity.
Therefore need a kind of industrial wastewater treatment system based on the endogenous consumption of mud overcome or at least alleviate above-mentioned defect.
Summary of the invention
The purpose of this utility model is to provide a kind of industrial wastewater treatment system based on the endogenous consumption of mud to overcome the above-mentioned problems in the prior art.
For achieving the above object, the utility model provides a kind of industrial wastewater treatment system based on the endogenous consumption of mud to comprise: the second micro-filtration grid, comprehensive adjustment pond, the second hydrolytic tank, the second hydrolytic precipitation pool, biology aerobic pond, second pond and discharge pond, middle low concentration wastewater enters described comprehensive adjustment pond by described second micro-filtration grid, described comprehensive adjustment pond pipeline connects described second hydrolytic tank, middle low concentration wastewater to be hydrolyzed acidifying at described second hydrolytic tank, described second hydrolytic tank connects described second hydrolytic precipitation pool, described middle low concentration wastewater precipitates at described second hydrolytic precipitation pool, the mud settled down at described second hydrolytic precipitation pool is back to described second hydrolytic tank by the automatic control of pulse air lift mud discharging device, improve the sludge concentration of described second hydrolytic tank, described second hydrolytic precipitation pool connects described biology aerobic pond, supernatant liquor through the waste water mixed solution of described second hydrolytic precipitation pool sedimentation enters described biology aerobic pond, described biology aerobic pond connects described second pond, described second pond connects described biology aerobic pond and the second hydrolytic tank respectively, mud through described sedimentation in secondary sedimentation tank is back to described biology aerobic pond and the second hydrolytic tank respectively, the water port of described second pond connects described discharge pond.
Preferably, described industrial wastewater treatment system also comprises: grille well, first hydrolytic tank, first hydrolytic precipitation pool and anaerobic tower, described grille well (micro-filtration grid) connects described first hydrolytic tank, high-concentration waste water enters described first hydrolytic tank and to be hydrolyzed acidifying after retaining suspended substance and floating matter by institute's micro-filtration grid, described first hydrolytic tank connects described first hydrolytic precipitation pool, high-concentration waste water through acidication enters described first hydrolytic precipitation pool and precipitates, at sludge reflux extremely described first hydrolytic tank that described first hydrolytic precipitation pool settles down, described first hydrolytic precipitation pool connects described anaerobic tower, the supernatant liquor of the high-concentration waste water after described first hydrolytic precipitation pool precipitation enters described anaerobic tower and carries out anaerobic treatment, described anaerobic tower pipeline connects described comprehensive adjustment pond, waste water through anaerobic treatment mixes in described comprehensive adjustment pond with middle low concentration wastewater, described high-concentration waste water and middle low concentration wastewater mixed solution to be hydrolyzed acidifying at described second hydrolytic tank, described high-concentration waste water and middle low concentration wastewater mixed solution precipitate at described second hydrolytic precipitation pool, described second pond also connects described first hydrolytic tank, and the mud through described sedimentation in secondary sedimentation tank is also back to described first hydrolytic tank.
Preferably, described industrial wastewater treatment system also comprises: hc effluent water collecting basin and intermediate pool, described hc effluent water collecting basin connects described grille well and described first hydrolytic tank respectively, and the high-concentration waste water through the process of micro-filtration grid enters hc effluent water collecting basin and carries out the water yield and water quality regulation; Described intermediate pool connects described first hydrolytic precipitation pool and described anaerobic tower respectively.
Preferably, described Aerobic Pond adopts proprietary dish-style jet-flow aeration, and the sludge concentration of described Aerobic Pond is more than or equal to 8g/L, and in described Aerobic Pond pH value range between 6.8-7.5.
Preferably, the mud 40%-70% of described second pond sedimentation is back to described first hydrolytic tank and described second hydrolytic tank; Described first hydrolytic tank, anaerobic tower and the second hydrolytic tank all maintain high sludge concentration load operation, and in this sludge concentration under higher and anoxic, anaerobic environment, sludge yield reduces, and mud is counter simultaneously digests, and sludge quantity reduces.
Preferably, the mud 30%-60% of described second pond sedimentation is back to described biology aerobic pond, under described biology aerobic pond maintains high sludge concentration load, increase processing efficiency, achieve the endogenous consumption of mud, thus limit the propagation of mud, reduce sludge quantity, described biology aerobic pond maintains high concentration sludge load operation, and sludge concentration is more than or equal to 8g/L.
Preferably, the mud 30% of described second pond sedimentation is back to described biology aerobic pond, and 60% is back to described second hydrolytic tank, and 10% is back to described first hydrolytic tank.
The utility model provides a kind of industrial wastewater treatment system based on the endogenous consumption of mud, high density and middle low-concentration industrial waste water are carried out sub-prime collection by described Waste Water Treatment, process: high-concentration industrial-water is after anaerobic treatment, mix with middle low concentration wastewater, be hydrolyzed together again, biology aerobic process, the mud total reflux produced through carrying out a biological disposal upon is to anoxic pond and biology aerobic pond, realize the object of On Sludge Reduction During Industrial Wastewater Treatment Process, it is high that described Waste Water Treatment has processing efficiency, the advantage that sludge yield is low, and investment cost is low, operate steadily, stable effluent quality is up to standard, can meet and produce quality of reused water requirement.
Accompanying drawing explanation
Fig. 1 is the structural representation of the industrial wastewater treatment system based on the endogenous consumption of mud.
Reference numeral:
| 1 | Grille well | 7 | Comprehensive adjustment pond |
| 2 | Hc effluent water collecting basin | 8 | Second hydrolytic tank |
| 3 | First hydrolytic tank | 9 | Second hydrolytic precipitation pool |
| 4 | First hydrolytic precipitation pool | 10 | Biology aerobic pond |
| 5 | Intermediate pool | 11 | Second pond |
| 6 | Anaerobic tower | 12 | Discharge pond |
Embodiment
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
In the utility model one broad embodiment, the industrial wastewater treatment system based on the endogenous consumption of mud comprises: grille well, the first hydrolytic tank, the first hydrolytic precipitation pool, anaerobic tower, comprehensive adjustment pond, the second hydrolytic tank, the second hydrolytic precipitation pool, biology aerobic pond, second pond and discharge pond, described grille well connects described first hydrolytic tank, high-concentration waste water enters described first hydrolytic tank and to be hydrolyzed acidifying after retaining suspended substance and floating matter by described grille well (micro-filtration grid), described first hydrolytic tank connects described first hydrolytic precipitation pool, high-concentration waste water through acidication enters described first hydrolytic precipitation pool and precipitates, at sludge reflux extremely described first hydrolytic tank that described first hydrolytic precipitation pool settles down, described first hydrolytic precipitation pool connects described anaerobic tower, the supernatant liquor of the high-concentration waste water after described first hydrolytic precipitation pool precipitation enters described anaerobic tower and carries out anaerobic treatment, described anaerobic tower pipeline connects described comprehensive adjustment pond, middle low concentration wastewater enters described comprehensive adjustment pond by described comprehensive adjustment pond entrance and mixes with the waste water through anaerobic treatment, described comprehensive adjustment pond pipeline connects described second hydrolytic tank, high-concentration waste water and middle low concentration wastewater mixed solution to be hydrolyzed acidifying at described second hydrolytic tank, described second hydrolytic tank connects described second hydrolytic precipitation pool, described high-concentration waste water and middle low concentration wastewater mixed solution precipitate at described second hydrolytic precipitation pool, at sludge reflux extremely described second hydrolytic tank that described second hydrolytic precipitation pool settles down, described second hydrolytic precipitation pool connects described biology aerobic pond, supernatant liquor through the waste water mixed solution of described second hydrolytic precipitation pool sedimentation enters described biology aerobic pond, described biology aerobic pond connects described second pond, described second pond connects described biology aerobic pond respectively, first hydrolytic tank and the second hydrolytic tank, mud through described sedimentation in secondary sedimentation tank is back to described biology aerobic pond respectively, first hydrolytic tank and the second hydrolytic tank, the water port of described second pond connects described discharge pond.
In a not shown embodiment, the industrial wastewater treatment system based on the endogenous consumption of mud comprises: the second grille well, comprehensive adjustment pond, the second hydrolytic tank, the second hydrolytic precipitation pool, biology aerobic pond, second pond and discharge pond, middle low concentration wastewater enters described comprehensive adjustment pond by described second grille well, described comprehensive adjustment pond pipeline connects described second hydrolytic tank, middle low concentration wastewater to be hydrolyzed acidifying at described second hydrolytic tank, described second hydrolytic tank connects described second hydrolytic precipitation pool, described middle low concentration wastewater precipitates at described second hydrolytic precipitation pool, the mud settled down at described second hydrolytic precipitation pool is back to described second hydrolytic tank by the automatic control of pulse air lift mud discharging device, improve the sludge concentration of described second hydrolytic tank, described second hydrolytic precipitation pool connects described biology aerobic pond, supernatant liquor through the waste water mixed solution of described second hydrolytic precipitation pool sedimentation enters described biology aerobic pond, described biology aerobic pond connects described second pond, described second pond connects described biology aerobic pond and the second hydrolytic tank respectively, mud through described sedimentation in secondary sedimentation tank is back to described biology aerobic pond and the second hydrolytic tank respectively, the water port of described second pond connects described discharge pond.
As shown in Figure 1, the industrial wastewater treatment system based on the endogenous consumption of mud comprises: grille well 1, first hydrolytic tank 3, first hydrolytic precipitation pool 4, anaerobic tower 6, comprehensive adjustment pond 7, second hydrolytic tank 8, second hydrolytic precipitation pool 9, Aerobic Pond 10, second-level settling pond 11 and discharge pond 12.
As shown in Figure 1, described grille well 1 connects described first hydrolytic tank 3, high-concentration waste water retains suspended substance and floating matter to alleviate the processing load of subsequent disposal structures by described grille well (micro-filtration grid) 1, and process disposal is carried out in the grid slag outward transport of generation; Enter the acidifying that is hydrolyzed of described first hydrolytic tank 3 through the high-concentration waste water of described grille well 1 and improve the B/C ratio of waste water, improve biodegradability.
Described first hydrolytic tank 3 connects described first hydrolytic precipitation pool 4, high-concentration waste water through acidication enters described first hydrolytic precipitation pool 4 and precipitates, the sludge reflux settled down at described first hydrolytic precipitation pool 4 to described first hydrolytic tank 3 to improve the first hydrolytic tank 3 sludge concentration.
Described first hydrolytic precipitation pool 4 connects described anaerobic tower 6, the supernatant liquor of the high-concentration waste water after described first hydrolytic precipitation pool precipitation is by the pulse multiple spot water distributor at described anaerobic tower 6 top, entered by the anaerobic mud bed bottom of distribution pipe from anaerobic tower 6, mix with the mud of the reaction zone sludge blanket of anaerobic tower 6, contact, described high-concentration waste Organic substance in water is cleared up and is converted into methane gas, methane gas rises with micro-bubble, merge and form larger bubble, the thinner mud of a concentration is formed on Sludge Bed top, water layer, gas, and constantly rising enters triphase separator, drawn by conduit through triphase separator methane gas, process water outlet is overflowed from settling region overflow weir, and under the anaerobic environment of anaerobic tower 6, digested sludge while degradation of organic substances, mud sludge output is extremely low.
Described anaerobic tower 6 pipeline connects described comprehensive adjustment pond 7, and middle low concentration wastewater enters described comprehensive adjustment pond 7 by described comprehensive adjustment pond 7 entrance and mixes with the high-concentration waste water through anaerobic treatment.
Described comprehensive adjustment pond 7 pipeline connects described second hydrolytic tank 8, and high-concentration waste water and middle low concentration wastewater mixed solution are hydrolyzed in described second hydrolysis 8 ponds acidifying, promote composite waste biodegradability further.
Described second hydrolytic tank 8 connects described second hydrolytic precipitation pool 9, described high-concentration waste water and middle low concentration wastewater mixed solution precipitate at described second hydrolytic precipitation pool 9, the mud settled down at described second hydrolytic precipitation pool 9 is back to described second hydrolytic tank 8 by the automatic control of pulse air lift mud discharging device, improves the sludge concentration of described second hydrolytic tank 8.
Described second hydrolytic precipitation pool 9 connects described biology aerobic pond 10, and the supernatant liquor through the waste water mixed solution of described second hydrolytic precipitation pool 9 sedimentation enters described biology aerobic pond 10, and described biology aerobic pond 10 connects described second pond 11.
Described second pond 11 connects described biology aerobic pond 10, first hydrolytic tank 3 and the second hydrolytic tank 8 respectively, the mud that described second pond 11 base sludge is back to the first hydrolytic tank 3 through the automatic control of proprietary pulse air lift mud discharging device makes the first hydrolytic tank 3 maintain higher sludge concentration, acidication nutrition source is provided, play good acidication effect, improve the degradability of hard-degraded substance; Described second pond 11 base sludge is back to biology aerobic pond 10 through the automatic control of proprietary pulse air lift mud discharging device, and adopts DJAM type dish-style jet-flow aeration, and the sludge concentration in biology aerobic pond 10 can reach more than 8g/L, and in biology aerobic pond 10, pH controls at 6.8-7.5.
The mud 40%-70% of described second pond 11 sedimentation is back to the first hydrolytic tank 3 and the second hydrolytic tank 8.First hydrolytic tank 3, anaerobic tower 6 and the second hydrolytic tank 8 all maintain high sludge concentration load operation, and in this sludge concentration under higher and anoxic, anaerobic environment, sludge yield reduces, and mud is counter simultaneously digests, and sludge quantity reduces.
The mud 30%-60% of described second pond 11 sedimentation is back to biology aerobic pond 10, under biology aerobic pond 10 maintains high sludge concentration load, increase processing efficiency, achieve the endogenous consumption of mud, thus limit the propagation of mud, reduce sludge quantity, biology aerobic pond 10 maintains high concentration sludge load operation, and sludge concentration is up to more than 8g/L.
The mud 30% of described second pond 11 sedimentation is back to described biology aerobic pond 10,60% and is back to described second hydrolytic tank 8,10% and is back to described first hydrolytic tank 3.
The mud 50% of described second pond 11 sedimentation is back to described biology aerobic pond 10,40% and is back to described second hydrolytic tank 8,10% and is back to described first hydrolytic tank 3.
The mud 60% of described second pond 11 sedimentation is back to described biology aerobic pond 10,35% and is back to described second hydrolytic tank 8,5% and is back to described first hydrolytic tank 3.
The water port of described second pond 11 connects described discharge pond 12.
As shown in Figure 1, described industrial wastewater treatment system also comprises: hc effluent water collecting basin 2 and intermediate pool 5, described hc effluent water collecting basin 2 connects described grille well 1 and described first hydrolytic tank 3 respectively, and the high-concentration waste water through the process of grid (micro-filtration grid) well 1 enters hc effluent water collecting basin 2 and carries out the water yield and water quality regulation; Described intermediate pool 5 connects described first hydrolytic precipitation pool 4 and described anaerobic tower 6 respectively.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (4)
1. based on an industrial wastewater treatment system for the endogenous consumption of mud, it is characterized in that, comprising: the second grille well, comprehensive adjustment pond, the second hydrolytic tank, the second hydrolytic precipitation pool, biology aerobic pond, second pond and discharge pond, middle low concentration wastewater enters described comprehensive adjustment pond by described second grille well, described comprehensive adjustment pond pipeline connects described second hydrolytic tank, middle low concentration wastewater to be hydrolyzed acidifying at described second hydrolytic tank, described second hydrolytic tank connects described second hydrolytic precipitation pool, described middle low concentration wastewater precipitates at described second hydrolytic precipitation pool, the mud settled down at described second hydrolytic precipitation pool is back to described second hydrolytic tank by the automatic control of pulse air lift mud discharging device, improve the sludge concentration of described second hydrolytic tank, described second hydrolytic precipitation pool connects described biology aerobic pond, wastewater supernatant fluid through described second hydrolytic precipitation pool sedimentation enters described biology aerobic pond, described biology aerobic pond connects described second pond, described second pond connects described biology aerobic pond and the second hydrolytic tank respectively, mud through described sedimentation in secondary sedimentation tank is back to described biology aerobic pond and the second hydrolytic tank respectively, the water port of described second pond connects described discharge pond.
2. as claimed in claim 1 based on the industrial wastewater treatment system of the endogenous consumption of mud, it is characterized in that, described industrial wastewater treatment system also comprises: grille well, first hydrolytic tank, first hydrolytic precipitation pool and anaerobic tower, described grille well connects described first hydrolytic tank, high-concentration waste water is enter described first hydrolytic tank after micro-filtration grid retains suspended substance and floating matter to be hydrolyzed acidifying by described grille well, described first hydrolytic tank connects described first hydrolytic precipitation pool, high-concentration waste water through acidication enters described first hydrolytic precipitation pool and precipitates, at sludge reflux extremely described first hydrolytic tank that described first hydrolytic precipitation pool settles down, described first hydrolytic precipitation pool connects described anaerobic tower, the supernatant liquor of the high-concentration waste water after described first hydrolytic precipitation pool precipitation enters described anaerobic tower and carries out anaerobic treatment, described anaerobic tower pipeline connects described comprehensive adjustment pond, high-concentration waste water through anaerobic treatment mixes in described comprehensive adjustment pond with middle low concentration wastewater, to be hydrolyzed acidifying at described second hydrolytic tank after described high-concentration waste water and the mixing of middle low concentration wastewater, described high-concentration waste water and middle low concentration wastewater precipitate at described second hydrolytic precipitation pool after acidication, described second pond also connects described first hydrolytic tank, and the mud through described sedimentation in secondary sedimentation tank is also back to described first hydrolytic tank.
3. as claimed in claim 2 based on the industrial wastewater treatment system of the endogenous consumption of mud, it is characterized in that, described industrial wastewater treatment system also comprises: hc effluent water collecting basin and intermediate pool, described hc effluent water collecting basin connects described grille well and described first hydrolytic tank respectively, and the high-concentration waste water after micro-filtration grid is separated enters hc effluent water collecting basin and carries out the water yield and water quality regulation; Described intermediate pool connects described first hydrolytic precipitation pool and described anaerobic tower respectively.
4. as claimed in claim 2 based on the industrial wastewater treatment system of the endogenous consumption of mud, it is characterized in that, described biology aerobic pond adopts dish-style jet-flow aeration, and the sludge concentration in described biology aerobic pond is more than or equal to 8g/L, and in described biology aerobic pond pH value range between 6.8-7.5.
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| CN201520377234.8U CN205222926U (en) | 2015-06-03 | 2015-06-03 | Industrial wastewater treatment system based on endogenous consumption of mud |
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| CN201520377234.8U CN205222926U (en) | 2015-06-03 | 2015-06-03 | Industrial wastewater treatment system based on endogenous consumption of mud |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909515A (en) * | 2015-06-03 | 2015-09-16 | 宜兴市荣盛达环保有限公司 | Industrial wastewater treatment system and method based on sludge internal consumption |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909515A (en) * | 2015-06-03 | 2015-09-16 | 宜兴市荣盛达环保有限公司 | Industrial wastewater treatment system and method based on sludge internal consumption |
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Granted publication date: 20160511 Termination date: 20160603 |