CN206142999U - Low energy consumption high efficiency sewage treatment device - Google Patents

Low energy consumption high efficiency sewage treatment device Download PDF

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Publication number
CN206142999U
CN206142999U CN201620851474.1U CN201620851474U CN206142999U CN 206142999 U CN206142999 U CN 206142999U CN 201620851474 U CN201620851474 U CN 201620851474U CN 206142999 U CN206142999 U CN 206142999U
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China
Prior art keywords
pond
septic tank
dynamic membrane
low
dynamic
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CN201620851474.1U
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Chinese (zh)
Inventor
洪树虎
卫俊良
唐胜强
沈飞达
任凯
孙微
耿奋华
史文科
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Wuxi Environmental Technology Co Ltd
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Wuxi Environmental Technology Co Ltd
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Abstract

The utility model provides a low energy consumption high efficiency sewage treatment device, including septic tank (1), anaerobism pond (2) that connect gradually, first oxygen deficiency pond (3), second oxygen deficiency pond (4), first good oxygen pond (5) and dynamic membrane pond (6), be equipped with a set of dynamic membrane subassembly (7) in dynamic membrane pond (6), dynamic membrane module (7) are including substrate (8) and form dynamic membrane (9) on substrate (8), substrate (8) are the macropore substrate. Dynamic membrane module simple structure, low cost, convenient to use that this operational effect is good with low costs rely on the quick activated sludge filter cake layer completion separation that forms on the macropore substrate, and the denitrogenation is effectual, can effectively fall COD, BOD, does not almost have the energy consumption, need not to safeguard, and long service life, the running cost is low.

Description

A kind of low-energy-consumption high-efficiency sewage disposal device
Technical field
The utility model belongs to a kind of sewage-treatment plant, and more particularly to a kind of low manufacture cost, operating cost are low, drop The low-energy-consumption high-efficiency sewage disposal device that COD effects are good, denitrification effect is good.
Background technology
At present waste water treating and reutilizing and the conventional process of one-level A discharge are activated sludge process -- the combination work of depth logos Skill or for membrane bioreactor (MBR).Activated sludge process -- the group technology of depth logos, i.e., live in original denitrogenation dephosphorizing Property sludge processes on the basis of, increase coagulation, plate-spinning filter, the technique such as sterilization, but the technological process length, equipment is more, floor space Greatly, stably reaching standard is difficult to indexs such as ammonia nitrogen total nitrogens.Membrane bioreactor (MBR) have floor space is little, effluent quality is excellent, can The advantages of enhanced biological is processed, China's land used is limited, developed area good market prospect, but MBR techniques are still immature, Membrane flux is low, high energy consumption, service life are short, limits further genralrlization and uses.
Dynamic Membrane (Dynamicmem-brane) is a kind of emerging sewage disposal film, is by being formed on film base material surface Sludge blanket plays a kind of new membrane module of accurate crown_interception, and wherein self-forming dynamic membrane is by sludge flco in filter process (microorganism and its metabolite) is accumulated to form film layer for class coating material.It forms time and thickness and biomass etc. with operation bar Part is closely related, has reported in literature sludge flco cumulative speed to be about 0~50g/ (m2H), thus " film layer " forms relatively slow And it is difficult to stablize, the time is longer to cause Dynamic Membrane to be formed, and generally at 30 minutes to a few houres, thus initial stage water quality is difficult to Meet and require (effective filtration is only formed to the effect of certain thickness competence exertion in sludge blanket), big capacity of returns can only be adopted To film forming, so as to increased Qian Dao ponds load;Secondly, Dynamic Membrane operationally increased because film layer easily occurs in high sludge concentration Hurry up, cause effluent flux to decline, effective cycle of operation is relatively short, and lack effective control measure;Besides, Dynamic Membrane Backwash effect is poor, and effluent flux recovery rate is low, causes normal aquifer yield little, is easy to produce irreversible membrane fouling after time length, leads Cause medicine to wash frequently, increased operating cost and complex operation degree.This three big defect becomes the good cost of the spontaneous operational effect of restriction Low dynamic film component effectively utilizes major obstacle.
Utility model content
Technical problem:In order to solve the defect of prior art, the utility model provides a kind of low manufacture cost, running cost With it is low, COD effects are good for drop, the low-energy-consumption high-efficiency sewage disposal device that denitrification effect is good.
Technical scheme:A kind of low-energy-consumption high-efficiency sewage disposal device that the utility model is provided, including what is be sequentially connected Septic tank, anaerobic pond, the first anoxic pond, the second anoxic pond, the first Aerobic Pond and dynamic membrane cisterna;One is provided with the dynamic membrane cisterna Group dynamic film component;The dynamic film component includes base material and the Dynamic Membrane being formed on base material;The base material is macropore base material.
Used as improvement, the base material is sponge, filter screen, non-woven fabrics, porous ceramics, sintered metal net, metallic fiber sintered Felt, sintered powder material, sintered porous plastics, sintering aluminum oxide, bafta, wool fabric, silk fabrics, synthetic fabrics, The combination of one or more in glass fabric, non-woven fabric.
Used as another kind of improvement, the longitudinal section of the base material is hollow ring, and its external diameter is 40-150 millimeters, internal diameter is 10-30 millimeters, a height of 0.1-3 rice;Preferably, its external diameter be 40-100 millimeters, internal diameter be 10-30 millimeters, a height of 0.3-1 rice; It is highly preferred that its external diameter be 40-60 millimeters, internal diameter be 10-30 millimeters, a height of 0.4-0.6 rice;Most preferably, its external diameter is 50 Millimeter, internal diameter are 20 millimeters, a height of 0.5 meter.
Used as another kind of improvement, the Dynamic Membrane from outer to inner includes successively filtering adsorption layer, anaerobic reaction layer and anti-nitre Change conversion zone.
Used as another kind of improvement, the formation and methods for using them of the dynamic film component is comprised the following steps:
(1) formation of Dynamic Membrane:Waste water is continued through into base material 1-7 days and forms Dynamic Membrane in substrate surface, specially: Sewage permeates from outside to inside in base material, while adsorbing the impurity and sludge of some larger particles in substrate surface, forms nascent Dynamic Membrane;Adsorbing contaminant is continued on nascent Dynamic Membrane surface and sludge is formed and filters adsorption layer after operation a period of time, comes into being dynamic Film is internally formed the sludge blanket of one layer of densification and grows anaerobic bacteria and is anaerobic reaction layer, and Dynamic Membrane of coming into being penetralia grows anti-nitre Change bacterium and be anti-nitration reaction layer, the base material for so far forming surface attachment Dynamic Membrane is dynamic film component;
(2) wastewater treatment:Sewage flows through filtration adsorption layer and is filtering filtration in adsorption layer;Pass through anaerobic reaction layer detesting There is anaerobic reaction in the presence of oxygen bacterium, the organic matter of macromolecular is decomposed;Anti-nitration reaction layer is finally flowed through in denitrifying bacterium In the presence of, the carbon source provided using anaerobic reaction layer, to denitrogenation of waste water.
Used as another kind of improvement, the septic tank includes three-level septic tank, and the three-level septic tank includes what is be sequentially connected First order septic tank, second level septic tank, third level septic tank.
As another kind of improvement, also including sedimentation basin;The sedimentation basin is located between the first Aerobic Pond and dynamic membrane cisterna, or The water inlet of person's sedimentation basin is connected with the delivery port of dynamic film component.
As another kind of improvement, also including the first sedimentation basin and the second sedimentation basin;First sedimentation basin is located at Aerobic Pond And dynamic membrane cisterna between, the water inlet of the second sedimentation basin is connected with the delivery port of dynamic film component.
Used as another kind of improvement, also including the second Aerobic Pond, second Aerobic Pond is located at the first Aerobic Pond and septic tank Between for connection the first Aerobic Pond and septic tank.
As another kind of improvement, difference in first anoxic pond, the second anoxic pond, the first Aerobic Pond, the second Aerobic Pond It is provided with aerator.
The utility model additionally provides a kind of high-efficient sewage method of wastewater treatment, at above-mentioned low-energy-consumption high-efficiency sewage Reason equipment, step is as follows:
(1) sewage sequentially passes through three-level septic tank:First order septic tank is used to remove bulky grain pollutant and partial suspended Thing, second level septic tank is used to remove small particles of pollution thing and partial suspended thing, third level septic tank be used to removing part COD and Ammonia nitrogen;
(2) water outlet of septic tank enters anaerobic pond, and part total nitrogen and COD are removed in anaerobic pond;
(3) anaerobic pond water outlet enters the first anoxic pond, and part total nitrogen and COD are removed in the first anoxic pond;
(5) first anoxic pond water outlets enter the second anoxic pond, and part total nitrogen and COD are removed in the second anoxic pond;
(6) second anoxic pond water outlets enter the first Aerobic Pond, and a large amount of COD and BOD are removed in the first Aerobic Pond;
(7) first Aerobic Pond water outlets enter dynamic membrane cisterna, react below generation in dynamic membrane cisterna:
(7.1) first Aerobic Pond water outlets are permeated from outside to inside in Dynamic Membrane, are filtered adsorption layer and are adsorbed some larger particles Impurity and sludge;
(7.2) pass through anaerobic reaction layer and anaerobic reaction occurs in the presence of anaerobic bacteria, by the organic matter of macromolecular point Solution;
(7.3) anti-nitration reaction layer is finally flowed through in the presence of denitrifying bacterium, the carbon source provided using anaerobic reaction layer, To denitrogenation of waste water.
Beneficial effect:The utility model provide low-energy-consumption high-efficiency sewage disposal device simple structure, it is with low cost, make With conveniently, denitrification effect is good, can effectively drop COD, BOD, almost Non-energy-consumption, and Maintenance free, long service life, operating cost is low.
Description of the drawings
Fig. 1 is the structural representation of the low-energy-consumption high-efficiency sewage disposal device of embodiment 1.
Fig. 2 is the structural representation of the low-energy-consumption high-efficiency sewage disposal device of embodiment 2.
Fig. 3 is the structural representation of the low-energy-consumption high-efficiency sewage disposal device of embodiment 3.
Fig. 4 is the structural representation of the low-energy-consumption high-efficiency sewage disposal device of embodiment 4.
Fig. 5 is the structural representation of dynamic film component.
Fig. 6 is the structural representation of three-level septic tank.
Specific embodiment
The utility model low-energy-consumption high-efficiency sewage disposal device is further illustrated below.
Prepare the different dynamic film component of a collection of size, material and run, condition is shown in Table 1, and method is as follows:
(1) formation of Dynamic Membrane:Waste water is continued through into base material 1-7 days and forms Dynamic Membrane in substrate surface, specially: Sewage permeates from outside to inside in base material, while adsorbing the impurity and sludge of some larger particles in substrate surface, forms nascent Dynamic Membrane;Adsorbing contaminant is continued on nascent Dynamic Membrane surface and sludge is formed and filters adsorption layer after operation a period of time, comes into being dynamic Film is internally formed the sludge blanket of one layer of densification and grows anaerobic bacteria and is anaerobic reaction layer, and Dynamic Membrane of coming into being penetralia grows anti-nitre Change bacterium and be anti-nitration reaction layer, the base material for so far forming surface attachment Dynamic Membrane is dynamic film component;
(2) wastewater treatment:Sewage stream continues through filter adsorption layer and is filtering filtration in adsorption layer naturally;Pass through anaerobism anti- Answer layer that anaerobic reaction occurs in the presence of anaerobic bacteria, the organic matter of macromolecular is decomposed;Finally flow through anti-nitration reaction layer to exist In the presence of denitrifying bacterium, the carbon source provided using anaerobic reaction layer, to denitrogenation of waste water;
(3) if finding that the sludge blanket on film surface is too thick, affects water flux in the course of work, backwash is now needed, is led to Cross aeration and wash away film surface, backwash completes to continue to run with;Because the utility model is Dynamic Membrane obtained in large pore material, because This, it is very little to stain disease resistance, can only lean on stain disease self gravitation to complete, and its circulation is voluntarily adjusted by system;Not only Energy-conserving and environment-protective, low cost;And backwashing period is very long, with little need for backwash.
Table 1
Embodiment 1
Low-energy-consumption high-efficiency sewage disposal device, is shown in Fig. 1, including two Aerobic Ponds 10 and be sequentially connected septic tank 1, detest Oxygen pond 2, the first anoxic pond 3, the second anoxic pond 4, the first Aerobic Pond 5 and dynamic membrane cisterna 6;Be provided with dynamic membrane cisterna 6 one group it is dynamic Membrane module 7;Dynamic film component 7, is shown in Fig. 5, including base material 8 and the Dynamic Membrane 9 being formed on base material 8;Base material 8 is macropore base material. Septic tank 1, is shown in Fig. 6, including three-level septic tank, and three-level septic tank includes the first order septic tank 11, second level being sequentially connected Manure pit 12, third level septic tank 13.In first anoxic pond 3, the second anoxic pond 4, the first Aerobic Pond 5, the second Aerobic Pond 10 respectively It is provided with aerator 16.Second Aerobic Pond 10 is located between the first Aerobic Pond 5 and septic tank 1 and is used to connect the He of the first Aerobic Pond 5 Septic tank 1.
Embodiment 2
Low-energy-consumption high-efficiency sewage disposal device, is shown in Fig. 2, including two Aerobic Ponds 10 and be sequentially connected septic tank 1, detest Oxygen pond 2, the first anoxic pond 3, the second anoxic pond 4, the first Aerobic Pond 5, sedimentation basin 14 and dynamic membrane cisterna 6;It is provided with dynamic membrane cisterna 6 One group of dynamic film component 7;Dynamic film component 7 includes base material 8 and the Dynamic Membrane 9 being formed on base material 8;Base material 8 is macropore base material. Septic tank 1 include three-level septic tank, three-level septic tank include be sequentially connected first order septic tank 11, second level septic tank 12, Third level septic tank 13.Aeration is respectively equipped with first anoxic pond 3, the second anoxic pond 4, the first Aerobic Pond 5, the second Aerobic Pond 10 Device 16.Second Aerobic Pond 10 is located between the first Aerobic Pond 5 and septic tank 1 and is used for the first Aerobic Pond 5 of connection and septic tank 1.
Embodiment 3
Low-energy-consumption high-efficiency sewage disposal device, is shown in Fig. 3, including two Aerobic Ponds 10 and be sequentially connected septic tank 1, detest Oxygen pond 2, the first anoxic pond 3, the second anoxic pond 4, the first Aerobic Pond 5, dynamic membrane cisterna 6 and sedimentation basin 14;It is provided with dynamic membrane cisterna 6 One group of dynamic film component 7;Dynamic film component 7 includes base material 8 and the Dynamic Membrane 9 being formed on base material 8;Base material 8 is macropore base material. Septic tank 1 include three-level septic tank, three-level septic tank include be sequentially connected first order septic tank 11, second level septic tank 12, Third level septic tank 13.Aeration is respectively equipped with first anoxic pond 3, the second anoxic pond 4, the first Aerobic Pond 5, the second Aerobic Pond 10 Device 16.Second Aerobic Pond 10 is located between the first Aerobic Pond 5 and septic tank 1 and is used for the first Aerobic Pond 5 of connection and septic tank 1.
Embodiment 4
Low-energy-consumption high-efficiency sewage disposal device, is shown in Fig. 4, including two Aerobic Ponds 10 and be sequentially connected septic tank 1, detest Oxygen pond 2, the first anoxic pond 3, the second anoxic pond 4, the first Aerobic Pond 5, the first sedimentation basin 14, the dynamic sedimentation basin of membrane cisterna 6 and second 15;One group of dynamic film component 7 is provided with dynamic membrane cisterna 6;Dynamic film component 7 includes base material 8 and the Dynamic Membrane being formed on base material 8 9;Base material 8 is macropore base material.Septic tank 1 includes three-level septic tank, and three-level septic tank includes the first order septic tank being sequentially connected 11st, second level septic tank 12, third level septic tank 13.First anoxic pond 3, the second anoxic pond 4, the first Aerobic Pond 5, second are aerobic Aerator 16 is respectively equipped with pond 10.Second Aerobic Pond 10 is located between the first Aerobic Pond 5 and septic tank 1 and is used for connection first Aerobic Pond 5 and septic tank 1.
Run in the said equipment using obtained dynamic film component, process stain disease, step is as follows:
(1) sewage sequentially passes through three-level septic tank 1:First order septic tank 11 is used to remove bulky grain pollutant and part is outstanding Float, second level septic tank 12 is used to remove small particles of pollution thing and partial suspended thing, and third level septic tank 13 is used to remove portion Divide COD and ammonia nitrogen;
(2) water outlet of septic tank 1 enters anaerobic pond 2, and part total nitrogen and COD are removed in anaerobic pond 2;
(3) water outlet of anaerobic pond 2 enters the first anoxic pond 3, and part total nitrogen and COD are removed in the first anoxic pond 3;
The water outlet of (5) first anoxic pond 3 enters the second anoxic pond 4, and part total nitrogen and COD are removed in the second anoxic pond 4;
The water outlet of (6) second anoxic pond 4 enters the first Aerobic Pond 5, and in the first Aerobic Pond 5 a large amount of COD and BOD are removed;
The water outlet of (7) first Aerobic Pond 5 enters dynamic membrane cisterna 6, reacts below generation in dynamic membrane cisterna 6:
The water outlet of (7.1) first Aerobic Pond 5 is permeated from outside to inside in Dynamic Membrane, is filtered adsorption layer and is adsorbed some larger particles Impurity and sludge;
(7.2) pass through anaerobic reaction layer and anaerobic reaction occurs in the presence of anaerobic bacteria, by the organic matter of macromolecular point Solution;
(7.3) anti-nitration reaction layer is finally flowed through in the presence of denitrifying bacterium, the carbon source provided using anaerobic reaction layer, To denitrogenation of waste water;
(7.4) if finding that the sludge blanket on film surface is too thick, affects water flux in the course of work, backwash is now needed, Film surface is washed away by aeration, backwash completes to continue to run with.
(8) there is precipitation reaction in sedimentation basin;Meanwhile, addition dephosphorization agent removes most of phosphorus.
Wang family of Jiangsu sewage is processed using the said equipment, the results are shown in Table 2.
Table 2
Wherein, comparative example is using Dynamic Membrane obtained in conventional polyurethanes material.
As shown in Table 2, equipment of the present utility model can effectively remove the organic matters such as the ammonia nitrogen in sewage.

Claims (8)

1. a kind of low-energy-consumption high-efficiency sewage disposal device, it is characterised in that:Including the septic tank (1), the anaerobic pond that are sequentially connected (2), the first anoxic pond (3), the second anoxic pond (4), the first Aerobic Pond (5) and dynamic membrane cisterna (6);In the dynamic membrane cisterna (6) It is provided with one group of dynamic film component (7);The dynamic film component (7) includes base material (8) and the Dynamic Membrane being formed on base material (8) (9);The base material (8) is macropore base material.
2. a kind of low-energy-consumption high-efficiency sewage disposal device according to claim 1, it is characterised in that:The base material (8) For sponge, filter screen, non-woven fabrics, porous ceramics, sintered metal net, metallic fiber sintered felt, sintered powder material, sintered porous modeling Material, sintering aluminum oxide, bafta, wool fabric, silk fabrics, synthetic fabrics, glass fabric, non-woven fabric In one kind.
3. a kind of low-energy-consumption high-efficiency sewage disposal device according to claim 1, it is characterised in that:The base material (8) Longitudinal section be hollow ring, its external diameter be 40-150 millimeters, internal diameter be 10-30 millimeters, a height of 0.1-3 rice.
4. a kind of low-energy-consumption high-efficiency sewage disposal device according to claim 1, it is characterised in that:The Dynamic Membrane (9) from outer to inner include successively filtering adsorption layer (91), anaerobic reaction layer (92) and anti-nitration reaction layer (93).
5. a kind of low-energy-consumption high-efficiency sewage disposal device according to claim 1, it is characterised in that:The septic tank (1) including three-level septic tank, the three-level septic tank includes first order septic tank (11), the second level septic tank being sequentially connected (12), third level septic tank (13).
6. a kind of low-energy-consumption high-efficiency sewage disposal device according to claim 1, it is characterised in that:Also include sedimentation basin (14);The sedimentation basin (14) is between the first Aerobic Pond (5) and dynamic membrane cisterna (6), or the water inlet of sedimentation basin (14) It is connected with the delivery port of dynamic film component (7).
7. a kind of low-energy-consumption high-efficiency sewage disposal device according to claim 1, it is characterised in that:It is also heavy including first Shallow lake pond (14) and the second sedimentation basin (15);First sedimentation basin (14) between Aerobic Pond (3) and dynamic membrane cisterna (6), the The water inlet of two sedimentation basins (15) is connected with the delivery port of dynamic film component (7).
8. a kind of low-energy-consumption high-efficiency sewage disposal device according to claim 1, it is characterised in that:Also include second best Oxygen pond (10), second Aerobic Pond (10) is used to connect the first Aerobic Pond between the first Aerobic Pond (5) and septic tank (1) And septic tank (1) (5).
CN201620851474.1U 2016-08-08 2016-08-08 Low energy consumption high efficiency sewage treatment device Expired - Fee Related CN206142999U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106082557A (en) * 2016-08-08 2016-11-09 无锡合思环境技术有限公司 A kind of low-energy-consumption high-efficiency sewage disposal device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106082557A (en) * 2016-08-08 2016-11-09 无锡合思环境技术有限公司 A kind of low-energy-consumption high-efficiency sewage disposal device

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Granted publication date: 20170503