CN211595181U - Upflow type self-circulation moving bed biomembrane sewage treatment reactor - Google Patents
Upflow type self-circulation moving bed biomembrane sewage treatment reactor Download PDFInfo
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- CN211595181U CN211595181U CN201921970596.2U CN201921970596U CN211595181U CN 211595181 U CN211595181 U CN 211595181U CN 201921970596 U CN201921970596 U CN 201921970596U CN 211595181 U CN211595181 U CN 211595181U
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Abstract
The utility model relates to the technical field of sewage treatment, and discloses an upflow self-circulating moving bed biomembrane sewage treatment reactor, which comprises main equipment and a pipeline control system, wherein a water outlet of a water inlet pipe is provided with the bottom of an outer box body, a jet aerator is arranged in the outer box body and above the outlet of the water inlet pipe, an anaerobic zone is formed in the surrounding area where the water outlet of the water inlet pipe is positioned, an oxygen zone is formed in the surrounding area where the jet aerator is positioned, a facultative zone is formed in the area between the water outlet of the water inlet pipe and the jet aerator, and a gap for communicating the inner box body and a settling zone is formed between an upper box body and a lower box; the area that encloses between interior box and the outer box is the sedimentation zone, the sedimentation zone use the breach is the boundary, and the sedimentation zone below the breach is the mud and piles up the district, and the sedimentation zone above the breach is the clear water district, and the clear water district is provided with the drain pipe. The utility model adopts the aerobic, anaerobic and sedimentation separation functions, and has the advantages of small occupied area, low investment cost, low failure rate and the like.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, especially, relate to an upflow self-loopa removes bed biomembrane sewage treatment reactor.
Background
Common processes for small-scale sewage treatment at the present stage include A2O, MBR, MBBR, CASS and the like, and in practice, the smaller the water quantity, the more unstable the running water of sewage treatment equipment is, and the more difficult the running water reaches the discharge standard.
The core of the prior art is generally arranged in a horizontal flow mode, each unit is independently provided with an independent treatment function (as shown in figure 1), and comprises an anaerobic tank, an anoxic tank, an aerobic tank, a sedimentation tank, an aerobic tank mixed sludge reflux system and a sedimentation tank sludge reflux system, each unit needs to be provided with an independent monomer, and each system (such as an anaerobic-anoxic stirring system, a mixed liquid reflux system and a sludge reflux system) needs to be independently provided with power equipment, so that the problems of large floor area, high investment cost, high maintenance frequency and the like of the whole sewage treatment facility are caused.
Therefore, how to solve the above technical problems becomes a focus of research by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first aim at provides an upflow self-loopa removes bed biomembrane sewage treatment reactor, has solved the prior art not enough.
The embodiment of the utility model is realized like this:
an upflow self-circulation moving bed biomembrane sewage treatment reactor comprises an inner box body, an outer box body and a pipeline control system;
the pipeline control system comprises a water inlet pipeline system and an aeration pipeline system, the water inlet pipeline system comprises a water inlet pipe for water inlet, the aeration pipeline system comprises a jet aerator for aeration, the jet aerator is positioned above a water outlet of the water inlet pipe, an anaerobic zone is formed in the peripheral area of the position of the water outlet of the water inlet pipe, an aerobic zone is formed in the peripheral area of the position of the jet aerator, and a facultative zone is formed in the area between the water outlet of the water inlet pipe and the jet aerator;
the inner box body comprises an upper box body and a lower box body which are communicated with each other, the water outlet of the water inlet pipe is positioned at the bottom of the outer box body, the jet aerator is arranged in the outer box body and above the water outlet of the water inlet pipe, an area enclosed between the inner box body and the outer box body is a settling area, and a gap for communicating the inner box body and the settling area is formed at the bottom of the upper box body and the top of the lower box body; the sedimentation zone uses the breach as the boundary, and the sedimentation zone below the breach is the mud and piles up the district, and the sedimentation zone above the breach is the clear water district, the clear water district is provided with the drain pipe.
Furthermore, the bottom of the lower box body is provided with an opening for sewage to flow from bottom to top, and the opening is provided with a filter screen.
Further, a mud pump for pumping sludge deposited at the bottom of the outer box body is arranged outside the outer box body.
Furthermore, a water distribution plate is arranged in the upper box body, and water distribution holes are formed in the water distribution plate.
Furthermore, the inside diameter of the lower box body gradually increases from top to bottom so that the side wall of the lower box body forms a slope with an inclination angle, and the diameter of the top of the lower box body is smaller than the inside diameter of the bottom of the upper box body.
Furthermore, a plurality of mud blocking plates are obliquely arranged in the clear water area.
Furthermore, a sludge collecting hopper is arranged at the bottom of the sludge accumulation area, a hopper hole communicated with the aerobic area is formed in the sludge collecting hopper, and a gas baffle is arranged at the hopper hole.
Further, the water inlet pipeline system comprises a first water inlet pipeline system and a second water inlet pipeline system, the first water inlet pipeline system is used for circulating sewage with low-concentration nitrogen content, and the second water inlet pipeline system is used for circulating sewage with high-concentration nitrogen content.
Furthermore, the first water inlet pipeline system comprises a first water inlet pipe and a first water outlet pipe, wherein the first water inlet pipe is arranged from top to bottom, the first water outlet pipe is connected to the bottom of the first water inlet pipe, the second water inlet pipe is arranged from top to bottom, the second water outlet pipe is connected to the bottom of the second water inlet pipe, and the lift pump is connected with the second water inlet pipe.
Furthermore, the top of outer box is provided with the elevator pump, the elevator pump with the jet aerator is connected for the jet aerator improves power, the periphery of elevator pump is provided with keeps off the material net.
The utility model has the advantages that:
1. the utility model discloses a reasonable pipe arrangement makes inside anaerobic zone, the facultative anaerobic zone of forming from bottom to top of equipment and has the oxygen district, simultaneously through ingenious inside and outside box design, at inside sewage self-loopa system and the sedimentation system of forming of equipment, the area of the equipment facility that has significantly reduced has reduced the relevant auxiliary power system in the former technology simultaneously, has the energy consumption low, practices thrift the advantage of cost.
2. The utility model discloses with regard to a elevator pump and jet aerator in the whole equipment, the equipment maintenance frequency is low, and the maintenance cost is low.
3. The utility model discloses a pipe-line system more can make to nitrify more abundant with the denitrification reaction, and sewage treatment is more thorough.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a conventional sewage treatment process;
fig. 2 is a schematic perspective view of the main body of the present invention;
fig. 3 is a longitudinal sectional view of the main body apparatus of the present invention;
FIG. 4 is a piping system diagram of the present invention;
FIG. 5 is a schematic view of a sewage treatment reactor with a siphon extraction structure.
Icon: 1-a water inlet pipeline system, 2-an aeration pipeline system, 100-a water inlet pipe, 101-a first water inlet pipe, 102-a first water outlet pipe, 103-a second water inlet pipe, 104-a second water outlet pipe, 105-a high-pressure water inlet pipe, 106-a first ball valve, 107-a second ball valve, 108-a third ball valve, 109-a fourth ball valve, 110-a fifth ball valve, 201-a jet aerator, 202-an air inlet pipe, 203-a jet water inlet pipe, 204-a lift pump, 205-a sixth ball valve, 206-a seventh ball valve, 3-a material blocking net, 4-an outer box, 5-an upper box, 6-a lower box, 7-a gap, 8-a sludge collecting hopper, 9-an air baffle, 10-a water outlet pipe, 11-a sludge outlet pipe, 12-a siphon, 13-siphon, 14-sludge and slag discharge pipe, 15-sludge blocking plate, 16-water distribution plate, A1-sludge accumulation zone, A2-clear water zone, B1-anaerobic zone, B2-facultative zone and B3-aerobic zone.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments, when the technical solutions in the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The embodiment provides an upflow self-circulation moving bed biofilm sewage treatment reactor, which comprises main equipment and a pipeline control system;
the pipeline control system comprises a water inlet pipeline system and an aeration pipeline system, the water inlet pipeline system comprises a water inlet pipe for water inlet, the aeration pipeline system comprises a jet aerator for aeration, the jet aerator is positioned above a water outlet of the water inlet pipe, an anaerobic zone is formed in the peripheral area of the position of the water outlet of the water inlet pipe, an aerobic zone is formed in the peripheral area of the position of the jet aerator, and a facultative zone is formed in the area between the water outlet of the water inlet pipe and the jet aerator;
the main body equipment comprises an outer box body and an inner box body, the inner box body comprises an upper box body and a lower box body which are communicated with each other, the water outlet of the water inlet pipe is positioned at the bottom of the outer box body, the jet aerator is arranged in the outer box body and above the water outlet of the water inlet pipe, and a gap for communicating the inner box body and the sedimentation zone is formed at the bottom of the upper box body and the top of the lower box body; the area enclosed between the inner box body and the outer box body is a settling area, the settling area uses the gap as a boundary, the settling area below the gap is a sludge accumulation area, the settling area above the gap is a clear water area, and the clear water area is provided with a drain pipe.
To further explain the specific structure of the present invention, the following is introduced in detail:
referring to fig. 2 to 4, the main body equipment includes an outer box 4 and an inner box, a sludge discharge pipe 11 is arranged at the bottom of the outer box 4, a high-pressure water inlet pipe 105 is arranged at the top of the outer box 4, a settling zone is defined as an area enclosed between the inner box and the outer box 4, the inner box includes an upper box 5 and a lower box 6, an opening is arranged at the bottom of the lower box 6, a filter screen is installed at the opening, the upper box 5 and the lower box 6 are communicated with each other, and the top of the upper box 5 is sealed. The bottom of the upper box body 5 and the top of the lower box body 6 form a gap 7 which is communicated with the inner box body and the settling zone, the settling zone is bounded by the gap, the settling zone below the gap is a sludge accumulation zone A1, and the settling zone above the gap is a clear water zone A2. The bottom of the upper box 4 is welded with a water distribution plate 16, water distribution holes are uniformly distributed on the water distribution plate 16, and the water distribution plate 16 can block part of filler particles; the inner diameter of the lower box body 1 is gradually increased from top to bottom, so that the side wall of the lower box body 1 forms a slope with an inclination angle, the inclination angle between the side wall of the lower box body 1 and the horizontal plane is more than or equal to 60 degrees, so that the flowing of a sewage mixture is smoother, a sludge collecting hopper 8 is welded between the outer side wall of the lower box body 6 and the inner side wall of the outer box body 4, the sludge collecting hopper 8 is positioned in a sludge accumulation area A1, a hopper hole is arranged at the bottom of the sludge collecting hopper 8, a gas baffle plate 9 which forms an included angle of 60 degrees with the axis of the hopper hole is welded at the hopper hole, the projection of the gas baffle plate 9 in the opening direction of the hopper hole is 1.5 times of the diameter of the hopper hole, the gas in the sewage can be reduced as much as possible to enter the sludge collecting hopper 8, the sewage flows out through the notch 7, and the activated sludge deposited on the sludge collecting hopper 8 can enter, the settled clean water flows upwards under the thrust action of water and is discharged through a drain pipe 10 on a clean water area A1, an inclined mud blocking plate 15 is welded on the outer wall of the upper box body 5 in the clean water area A1, and the mud blocking plate 8 can further settle the mud in the clean water.
Comprises a water inlet pipeline system 1 and an aeration pipeline system 2.
The water inlet pipeline system 1 comprises a first water inlet pipeline system and a second water inlet pipeline system, the first water inlet pipeline system is used for circulating sewage with low-concentration nitrogen content, and the second water inlet pipeline system is used for circulating sewage with high-concentration nitrogen content. The first water inlet pipeline system comprises a first water inlet pipe 101 and a first water outlet pipe 102, wherein the first water inlet pipe 101 extends from the upper part to the bottom of the sewage treatment equipment and is communicated with the first water outlet pipe 102 arranged at the bottom of the sewage treatment equipment in a welding manner, and the first water outlet pipe 102 is a plurality of straight water pipes which are communicated with each other. The second water inlet pipeline system 2 comprises a second water inlet pipe 103, a second water outlet pipe 104 and a lifting pump 204, the second water inlet pipe 103 extends from the upper part to the bottom of the sewage treatment device and is welded and communicated with the second water outlet pipe 104 arranged at the bottom of the sewage treatment device, and the lifting pump 204 is welded and communicated with the second water inlet pipe 103 through a pipeline. For convenient arrangement, avoid the pipeline to be complicated and disorderly, first inlet tube 101 and second inlet tube 103 are all connected on same high pressure inlet tube 105 first ball valve 106 is installed to high pressure inlet tube 105 first inlet tube 101 installs second ball valve 107, installs third ball valve 108 on the high pressure inlet tube between first inlet tube 101 and second inlet tube 103 install fourth ball valve 109 on the second inlet tube 103 install fifth ball valve 110 on the pipeline between elevator pump 204 and the second inlet tube 103.
The aeration pipeline system 2 comprises a jet aerator 201, an air inlet pipe 202, a jet water inlet pipe 203 and a lift pump 204, wherein the lift pump 204 is connected with a water inlet 204 of the jet aerator 201 through the jet water inlet pipe 203, the air inlet pipe 202 is connected with an air inlet of the jet aerator 201 and upwards extends out of the sewage treatment equipment, a sixth ball valve 205 is installed on the jet water inlet pipe 203, and a seventh ball valve 206 is installed on a pipeline between the jet water inlet pipe 203 and the air inlet pipe.
The first water inlet pipe 101 and the second water inlet pipe 103 are located at the bottom of the outer box body 4, the jet aerator 201 is located in the outer box body 4 and above the water outlets of the first water inlet pipe 101 and the second water inlet pipe 103, so that an anaerobic zone B1 is formed in the area around the water outlets of the first water inlet pipe 101 and the second water inlet pipe 103, an oxygen zone B3 is formed around the jet aerator 201, a facultative zone B2 is formed in the area between the water outlets of the first water inlet pipe 101 and the second water inlet pipe 103 and the jet aerator 201, the lifting pump 204 is located in the upper box body 5, and the baffle net 3 is arranged outside the lifting pump 204.
The utility model discloses when using, carry out the pipeline control according to the height of the nitrogen content concentration in the sewage, carry out the sedimentation separation to sewage and handle:
1. when the nitrogen content concentration in the sewage is low, opening a first ball valve 106, a second ball valve 107, a fourth ball valve 109 and a sixth ball valve 205, closing a third ball valve 108 and a seventh ball valve 206, enabling raw water subjected to external treatment to enter a first water outlet pipe 102 through a first water inlet pipe 101 from a high-pressure water inlet pipe 105, and stirring by utilizing water pressure thrust and the gravity action of the water in an anaerobic zone B1 to perform denitrification reaction; meanwhile, sewage pumped by the lift pump 204 enters the jet aerator 201 through the jet water inlet pipe 203 to be sprayed out, the air inlet pipe 202 continuously sucks air under the action of the jet aerator, so that the jet aerator 201 continuously provides sufficient oxygen for the aerobic zone B3 to enable nitration reaction to be fully carried out, in order to enable denitrification reaction of the anaerobic zone to be more fully carried out, the fifth ball valve 110 is opened, part of sewage pumped by the lift pump 204 is subjected to jet aeration, the other part of sewage enters the second water outlet pipe 104 through the second water inlet pipe 103, and water pressure is used for auxiliary stirring of the anaerobic zone to enable denitrification reaction to be fully carried out; in the process that sewage flows from bottom to top through the opening of the lower box body 6, the sewage enters the gap between the upper box body 5 and the lower box body 6 and enters the settling zone, sludge is deposited in the sludge accumulation zone A1 under the action of gravity, and clear water flows upwards through the clear water zone A2 and flows out of the drain pipe 10.
2. When the nitrogen content concentration in the sewage is high, the first valve 107, the third valve 109, the fourth valve 110, the fifth valve 208 and the sixth valve 206 are opened, the second valve 108 and the seventh valve 207 are closed, the pretreated raw water enters the annular perforated water distribution pipe from the high-pressure water inlet pipe 101 through the mixed liquid pipe 105, meanwhile, the mixed water pump 201 pumps a part of the sewage into the mixed liquid pipe 105 and the raw water entering the mixed liquid pipe 105, so that the sewage with the activated sludge and the raw water are fully mixed in the mixed liquid pipe 105 in advance and enter the anaerobic zone, the denitrification reaction is fully performed, the other part of the sewage is pumped into the jet aerator 202 through the jet aerator water inlet pipe 203 and is sprayed out, and the jet aerator air inlet pipe 204 continuously sucks air under the action of the jet aerator, so that the jet aerator 202 continuously provides sufficient oxygen for the aerobic zone, and the nitrification reaction is fully performed, similarly, in the process that the sewage flows from bottom to top through the opening of the lower box body 6, the sewage enters the gap between the upper box body 5 and the lower box body 6 and enters the settling zone, under the action of gravity, the sludge is deposited in the sludge accumulation zone A1, and the clean water flows upwards through the clean water zone A2 and flows out from the drain pipe 10.
Referring to fig. 5, a siphon tank 12 is further disposed in the upper tank 5, the bottom of the siphon tank 12 extends to the bottom of the outer tank 4 through a siphon 13, and the top of the siphon tank 12 extends to a slag discharge port 15 outside the tank through a siphon sludge discharge pipe 14. When the amount of the slag in the siphon tank 12 reaches a certain degree, a siphon phenomenon is naturally formed in the tank, the siphon sludge discharge and slag discharge pipe 14 discharges the slag in the siphon tank 12, negative pressure is formed in the tank after the slag is discharged, bottom sludge is continuously discharged, and the discharge is automatically stopped when the water level is reduced to a set lower limit.
Simultaneously the utility model discloses set up outside elevator pump 204 and keep off the material net, the opening of lower box 6 is good oxygen district import play promptly and sets up the filter screen, and row's mud keeps off the material, prevents to pack to get into pipe-line system and blocks up the water pump pipeline to and delivery port, mud discharging port etc. all use stainless steel screen to intercept effectively to cut off the filler.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An upflow self-circulation moving bed biomembrane sewage treatment reactor is characterized in that: comprises an inner box body, an outer box body (4) and a pipeline control system;
the pipeline control system comprises a water inlet pipeline system (1) and an aeration pipeline system (2), the water inlet pipeline system (1) comprises a water inlet pipe for water inlet, the aeration pipeline system (2) comprises a jet aerator (201) for aeration, the jet aerator (201) is positioned above a water outlet of the water inlet pipe, an anaerobic zone (B1) is formed in the peripheral area of the position of the water outlet of the water inlet pipe, an oxygen zone (B3) is formed in the peripheral area of the position of the jet aerator (201), and a facultative zone (B2) is formed in the area between the water outlet of the water inlet pipe and the jet aerator (201);
the inner box body comprises an upper box body (5) and a lower box body (6) which are communicated with each other, the water outlet of the water inlet pipe is positioned at the bottom of the outer box body (4), the jet aerator (201) is arranged in the outer box body (4) and above the water outlet of the water inlet pipe, the area enclosed between the inner box body and the outer box body (4) is a settling area, and a gap (7) communicated with the inner box body and the settling area is formed at the bottom of the upper box body (5) and the top of the lower box body (6); the sedimentation zone is bounded by the notch, the sedimentation zone below the notch is a sludge accumulation zone (A1), the sedimentation zone above the notch is a clear water zone (A2), and the clear water zone is provided with a drain pipe (10).
2. The upflow self-circulating moving bed biofilm wastewater treatment reactor as recited in claim 1, wherein: the bottom of the lower box body (6) is provided with an opening for sewage to flow from bottom to top, and the opening is provided with a filter screen.
3. The upflow self-circulating moving bed biofilm wastewater treatment reactor as recited in claim 1, wherein: and a mud pump for pumping sludge deposited at the bottom of the outer box body (4) is arranged outside the outer box body (4).
4. The upflow self-circulating moving bed biofilm wastewater treatment reactor as recited in claim 1, wherein: the upper box body (5) is internally provided with a water distribution plate, and the water distribution plate is provided with water distribution holes.
5. The upflow self-circulating moving bed biofilm wastewater treatment reactor as recited in claim 1, wherein: the inner diameter of the lower box body (6) is gradually increased from top to bottom, so that the side wall of the lower box body forms a slope with an inclination angle, and the diameter of the top of the lower box body (6) is smaller than the inner diameter of the bottom of the upper box body (5).
6. The upflow self-circulating moving bed biofilm wastewater treatment reactor as recited in claim 1, wherein: a plurality of mud blocking plates (15) are obliquely arranged in the clear water area (A2).
7. The upflow self-circulating moving bed biofilm wastewater treatment reactor as recited in claim 1, wherein: the sludge accumulation area (A1) is provided with a sludge collecting hopper (8) at the bottom, the sludge collecting hopper (8) is provided with a hopper hole communicated with the aerobic area (B3), and the hopper hole is provided with an air baffle plate (9).
8. The upflow self-circulating moving bed biofilm wastewater treatment reactor as recited in claim 1, wherein: the water inlet pipeline system comprises a first water inlet pipeline system and a second water inlet pipeline system, the first water inlet pipeline system is used for circulating sewage with low-concentration nitrogen content, and the second water inlet pipeline system is used for circulating sewage with high-concentration nitrogen content.
9. The upflow self-circulating moving bed biofilm wastewater treatment reactor of claim 8, wherein: the first water inlet pipeline system comprises a first water inlet pipe (101) arranged from top to bottom and a first water outlet pipe (102) connected to the bottom of the first water inlet pipe (101), and the second water inlet pipeline system comprises a second water inlet pipe (103) arranged from top to bottom, a second water outlet pipe (104) connected to the bottom of the second water inlet pipe (103), and a lift pump (204) connected with the second water inlet pipe (103).
10. The upflow self-circulating moving bed biofilm wastewater treatment reactor of claim 9, wherein: the lifting pump (204) is arranged in the outer box body (4), the lifting pump (204) is connected with the jet aerator (201) and used for improving power for the jet aerator (201), and a material blocking net (3) is arranged on the periphery of the lifting pump (204).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110902824A (en) * | 2019-11-14 | 2020-03-24 | 四川隆科旭环保科技有限公司 | Upflow type self-circulation moving bed biomembrane sewage treatment reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110902824A (en) * | 2019-11-14 | 2020-03-24 | 四川隆科旭环保科技有限公司 | Upflow type self-circulation moving bed biomembrane sewage treatment reactor |
| CN110902824B (en) * | 2019-11-14 | 2024-04-05 | 四川隆科旭环保科技有限公司 | Up-flow self-circulation moving bed biomembrane sewage treatment reactor |
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