CN214115057U - Upflow anaerobic reaction device - Google Patents
Upflow anaerobic reaction device Download PDFInfo
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- CN214115057U CN214115057U CN202022221556.7U CN202022221556U CN214115057U CN 214115057 U CN214115057 U CN 214115057U CN 202022221556 U CN202022221556 U CN 202022221556U CN 214115057 U CN214115057 U CN 214115057U
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Abstract
The utility model discloses an up-flow anaerobic reaction device, which comprises a reactor body, wherein a sewage inlet of a water distribution area of the reactor body is communicated with a water distributor; the water distributor comprises a plurality of circles of water distribution pipes which are sleeved, and the outermost circle of water distribution pipe of the plurality of circles of water distribution pipes is provided with a water inlet pipe communicated with the sewage inlet; a plurality of pressure increasing pipes communicated with the multi-circle water distribution pipes are uniformly arranged in the circumferential direction of the multi-circle water distribution pipes; the bottom of the multi-circle water distribution pipe is provided with a plurality of water distribution nozzles facing the bottom of the water distribution area; the plurality of water distribution nozzles and the plurality of circles of water distribution pipes are arranged in the same direction at a certain angle in the circumferential direction; one of the pressure increasing pipes is communicated with the sewage inlet and is positioned on the same axis with the sewage inlet. The utility model is used for the anaerobic treatment of sewage, not only the distribution of intaking is even, has eliminated the disturbance dead angle, and sludge separation subsides effectually moreover, and the system operation is stable.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to upflow anaerobic reaction device.
Background
The traditional upflow anaerobic sludge bed and expanded granular sludge reactor are anaerobic biological devices which are applied more in the field of sewage treatment at present.
Generally, the composition of such reactors is divided into two parts: one part is a housing, generally cylindrical; the other part is a solid-liquid-gas three-phase separator. The reaction mechanism is mainly as follows: sewage to be treated is pumped in from the water inlet, water flows through the sludge layer, fine sludge rises under the impact action of the water flows, a mud-water mixture sequentially passes through the reaction zone and the three-phase separator, and wastewater finally reaches the water outlet and flows out of the reactor. The activated sludge, gas and water are separated in the three-phase separation area, the sludge descends, the methane and the carbon dioxide enter the gas collection area, and the water flows out through the water outlet.
The current common problem of this type of reactor is that the design of water distribution system is unreasonable, can not form good natural hydraulic stirring effect, leads to the reactor to intake and has the dead angle in the sludge blanket. In addition, the three-phase separator is lack of screening and separation of the sludge, so that new and old sludge is intercepted or lost together, and the activity of the reserved sludge is insufficient. If the separation effect and the screening effect are not good, the system debugging starting time is prolonged and the system operation is unstable, so that the problem is solved, and the method has important significance for the stable operation of the whole system.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: aiming at the defects in the prior art, the upflow anaerobic reaction device is provided, the reactor has uniform water inlet distribution, eliminates disturbance dead angles and has stable system operation.
In order to solve the technical problem, the technical scheme of the utility model is that:
an upflow anaerobic reaction device comprises a reactor body, wherein the reactor body is sequentially provided with a water distribution area, a reaction area and a three-phase separation area from bottom to top; the water distribution area is provided with a sewage inlet; the sewage inlet is communicated with a water distributor;
the water distributor comprises a plurality of circles of water distribution pipes which are sleeved, and the outermost circle of water distribution pipe of the plurality of circles of water distribution pipes is provided with a water inlet pipe communicated with the sewage inlet; a plurality of pressure increasing pipes communicated with the multi-circle water distribution pipes are uniformly arranged in the circumferential direction of the multi-circle water distribution pipes; the bottom of the multi-circle water distribution pipe is provided with a plurality of water distribution nozzles facing the bottom of the water distribution area; the plurality of water distribution nozzles and the plurality of circles of water distribution pipes are arranged in the same direction at a certain angle in the circumferential direction; one of the pressure increasing pipes is communicated with the sewage inlet and is positioned on the same axis with the sewage inlet.
As an improved technical scheme, the outermost ring of water distribution pipes of the multi-ring water distribution pipes are semicircular water distribution pipes; the two water inlet pipes are arranged and are communicated with the two ends of the semicircular water distribution pipe in an acute angle.
As an improved technical scheme, the three-phase separation zone is provided with an upper-level sludge settler and a lower-level sludge separator which are oppositely arranged up and down; a plurality of sludge settling clapboards which are arranged upwards are arranged on the upper sludge settler; the sludge settling partition plates are arranged in a step shape and gradually incline downwards from the central part to the periphery; the lower sludge separator is provided with a plurality of sludge separating plates which are arranged downwards, and the plurality of sludge separating plates are arranged in a step shape and gradually incline downwards from the periphery to the central part.
As an improved technical scheme, the superior sludge settler comprises an upper bottom plate, wherein the upper bottom plate is a conical upper bottom plate; the sludge settling partition plates are annularly and stepwisely arranged on the conical upper bottom plate, and a sludge settling space is formed between every two adjacent sludge settling partition plates.
As an improved technical scheme, the lower-level sludge separator comprises a lower bottom plate which is an inverted cone-shaped lower bottom plate or a V-shaped lower bottom plate; and the sludge separation plates are arranged on the inverted cone-shaped lower bottom plate or the V-shaped lower bottom plate in a stepped manner.
As an improved technical scheme, the sludge separation plates are V-shaped sludge separation plates, and the bottoms of two adjacent V-shaped sludge separation plates are connected to form a structure which is zigzag and is in stepped arrangement.
As an improved technical scheme, a cement channel is arranged between the superior sludge settler and the inner wall of the reactor body; the outer diameter of the superior sludge settler is larger than that of the inferior sludge separator.
As an improved technical scheme, the superior sludge settler is elastically hung at the top of the reactor body; the lower sludge separator is elastically hung on the lower part of the upper sludge settler.
As an improved technical scheme, a gas collecting cover is correspondingly arranged at the top of the reactor body above the three-phase separation area; the top of the reactor body is provided with a cross beam penetrating through the gas collecting cover, and the superior sludge settler is elastically hung on the cross beam; the lower sludge separator is elastically hung on the lower part of the upper sludge settler.
The gas collecting cover is buckled at the top of the reactor body, and a gas outlet is formed in the top of the gas collecting cover.
As an improved technical scheme, the reaction zone is provided with an upper layer screen plate and a lower layer screen plate, the meshes of the upper layer screen plate and the lower layer screen plate are arranged in a staggered mode, and a filler is arranged between the upper layer screen plate and the lower layer screen plate.
As an improved technical scheme, a baffle plate is arranged below the superior sludge settler, and the baffle plate is a conical baffle plate which is composed of an upper plate and a lower plate and has a conical top facing to the central axis of the three-phase separation area.
As a further improved technical scheme, the upper end of the upper plate extends towards the upper part and the outer part of the reactor body to form an annular overflow weir with the outer wall of the reactor body.
As a technical scheme of further improvement, the upper end of the overflow weir is a sawtooth-shaped overflow port.
As a preferable technical scheme, the included angle between the plurality of water distribution nozzles and the water distribution pipe is 40-60 degrees.
As a further preferable technical scheme, an included angle between the plurality of water distribution nozzles and the water distribution pipe is 45 °.
Since the technical scheme is used, the beneficial effects of the utility model are that:
the upflow anaerobic reactor comprises a reactor body, wherein a sewage inlet of a water distribution area of the reactor body is communicated with a water distributor; the water distributor comprises a plurality of circles of water distribution pipes which are sleeved, and the outermost circle of water distribution pipe of the plurality of circles of water distribution pipes is provided with a water inlet pipe communicated with the sewage inlet; a plurality of pressure increasing pipes communicated with the multi-circle water distribution pipes are uniformly arranged in the circumferential direction of the multi-circle water distribution pipes; the bottom of the multi-circle water distribution pipe is provided with a plurality of water distribution nozzles facing the bottom of the water distribution area; the plurality of water distribution nozzles and the plurality of circles of water distribution pipes are arranged in the same direction at a certain angle in the circumferential direction; one of the pressure increasing pipes is communicated with the sewage inlet and is positioned on the same axis with the sewage inlet; the booster pipe can lead the waste water to enter the inner ring and the outer ring of the water distribution pipe from different directions, keep the water inlet pressure and ensure the pressure transmission; the sewage from the sewage inlet is ensured to keep pressure as much as possible and respectively enters each circle of water distribution pipe, and then the water flow sprayed from the water distribution spray head can have enough pressure, so that the sewage forms rotational flow and good natural hydraulic stirring at the bottom of the reactor, the jet flow disturbance effect is achieved, the disturbance dead angle at the bottom of the reactor is eliminated, and the mud-water mixing reaction effect is improved.
The three-phase separation area of the utility model is provided with a superior sludge settler and an inferior sludge separator which are arranged up and down oppositely; the reacted sludge is separated and falls after being collided by the lower sludge separator, the residual sludge-water mixture is gradually settled in the upper sludge settler, and the elastic hoisting of the upper sludge settler is more favorable for the settled sludge to slide down and settle to the reaction area.
The outermost circle of water distribution pipes of the multi-circle water distribution pipes of the utility model are semicircular water distribution pipes; the two water inlet pipes are arranged and are communicated with the two ends of the semicircular water distribution pipe in an acute angle. Ensuring that the sewage from the sewage inlet keeps pressure as much as possible and enters the water distribution pipe.
The upper sludge settler of the utility model comprises an upper bottom plate which is a conical upper bottom plate; the sludge settling partition plates are arranged in an annular step mode on the conical upper bottom plate, a sludge settling space is formed between every two adjacent sludge settling partition plates, and sludge touches the sludge settling partition plates and then settles in the settling space and gradually slides to the edge position of the upper-stage sludge settler and then descends to the reaction zone.
The lower-level sludge separator of the utility model comprises a lower bottom plate which is an inverted cone-shaped lower bottom plate or a V-shaped lower bottom plate; the sludge separation plates are arranged on the inverted cone-shaped lower bottom plate or the V-shaped lower bottom plate in a stepped manner; the sludge separation plates are V-shaped sludge separation plates, and the bottoms of two adjacent V-shaped sludge separation plates are connected to form a zigzag and step-shaped arrangement structure; further increase muddy water area of contact, improve the separation effect, do not have the dead angle between the V type sludge separation board that meets side by side moreover, can not cause mud to remain.
The utility model discloses a reaction zone is provided with upper screen plate and lower floor's otter board, the crisscross setting each other of mesh of upper screen plate and lower floor's otter board, be provided with the filler between upper screen plate and the lower floor's otter board, the filler not only can provide the attached carrier for activated sludge, can also slow down the rising speed of muddy water simultaneously, prevents the loss of mud when the gas production is great, and the upper and lower otter board that sets up crisscross each other has further improved cement resistance that rises, has reduced the rising speed.
The top of the reactor body of the utility model is correspondingly provided with a gas collecting cover above the three-phase separation area; the top of the reactor body is provided with a cross beam penetrating through the gas collecting cover, the superior sludge settler is elastically hung on the cross beam, and the inferior sludge separator is elastically hung on the lower part of the superior sludge settler; the gas collecting cover can drive the cross beam to shake under the action of gas, so that the upper and lower sludge separators are driven to shake, and therefore, the sludge settled on the upper sludge settler can slide down.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the water distributor of the present invention;
FIG. 3 is a schematic structural view of a superior sludge settler of the present invention;
FIG. 4 is a schematic structural view of a lower stage sludge separator of the present invention;
FIG. 5 is a schematic structural diagram of the upper net plate of the present invention;
FIG. 6 is a schematic view of the structure of the lower net plate of the present invention;
fig. 7 is an effect diagram of the staggered arrangement of the upper and lower net plates of the present invention.
In the figure, 1, a water distribution area; 11. a sewage inlet; 12. a water distribution pipe; 13. a water inlet pipe; 14. a pressure increasing pipe; 15. a water distribution nozzle; 2. a reaction zone; 21. an upper layer screen plate; 22. a lower layer screen plate; 23. a filler; 3. a three-phase separation zone; 4, a superior sludge settler; 41. a sludge settling partition plate; 42. an upper base plate; 5. a lower stage sludge separator; 51. a sludge separation plate; 52. a lower base plate; 6. a gas collection hood; 7. a cross beam; 8. a baffle plate; 81. an upper plate; 82. a lower plate; 9. an overflow weir; 10 spreader.
Detailed Description
The invention is further explained below with reference to the drawings and examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
As shown in the attached drawings 1-7, an upflow anaerobic reactor comprises a reactor body, wherein the reactor body is provided with a water distribution zone 1, a reaction zone 2 and a three-phase separation zone 3 from bottom to top in sequence; the water distribution area 1 is provided with a sewage inlet 11; the sewage inlet 11 is communicated with a water distributor; the water distributor comprises a plurality of circles of water distribution pipes 12 which are sleeved, and the outermost circle of water distribution pipe of the plurality of circles of water distribution pipes 12 is provided with a water inlet pipe 13 communicated with the sewage inlet 11; a plurality of pressure increasing pipes 14 communicated with the multi-circle water distribution pipe 12 are uniformly arranged on the periphery of the multi-circle water distribution pipe 12; the bottom of the multi-circle water distribution pipe 12 is provided with a plurality of water distribution nozzles 15 facing the bottom of the water distribution area 1; the plurality of water distribution nozzles 15 and the plurality of circles of water distribution pipes 12 are arranged in the same direction at a certain angle in the circumferential direction;
the three-phase separation zone 3 is provided with an upper-level sludge settler 4 and a lower-level sludge separator 5 which are arranged oppositely up and down; a plurality of sludge settling partition plates 41 which are arranged upwards are arranged on the upper sludge settler 4; the sludge settling partition plates 41 are arranged in a step shape and gradually incline downwards from the central part to the periphery; the lower sludge separator 5 is provided with a plurality of sludge separating plates 51 arranged downward, and the plurality of sludge separating plates 51 are arranged in a step shape and gradually inclined downward from the periphery to the center. A cement channel is arranged between the upper sludge settler and the inner wall of the reactor body 4, cement mixture rises from the channel, and settled sludge falls from the channel; the outer diameter of the superior sludge settler 4 is larger than the outer diameter of the inferior sludge separator 5, thus leaving a rising space for the cement mixture.
The reaction zone 2 is provided with an upper layer screen plate 21 and a lower layer screen plate 22, the upper layer screen plate 21 and the lower layer screen plate 22 are arranged on the upper mesh and the lower mesh of the reaction zone 2 in a mutually staggered mode, and a filler 23 is arranged between the upper layer screen plate 21 and the lower layer screen plate 22.
The outermost circle of water distribution pipes of the multi-circle water distribution pipe 12 are semicircular water distribution pipes; the number of the water inlet pipes 13 is two, and the two water inlet pipes 13 are communicated with the two ends of the semicircular water distribution pipe in an acute angle. One of the pressure increasing pipes 14 is communicated with the sewage inlet 11 and is arranged coaxially with the sewage inlet 11.
As a preferred embodiment, the upper stage sludge settler 4 comprises an upper bottom plate 42, which is a 42-cone-shaped upper bottom plate; the sludge settling partition plates 41 are annularly and stepwisely arranged on the conical upper bottom plate, and a sludge settling space is formed between two adjacent stages of sludge settling partition plates 41.
As a preferred embodiment, the lower stage sludge separator 5 includes a lower bottom plate 52, and the lower bottom plate 52 is an inverted cone-shaped lower bottom plate or a V-shaped lower bottom plate; the plurality of sludge separating plates 51 are arranged in a stepped manner on the inverted conical lower bottom plate or the V-shaped lower bottom plate.
In a preferred embodiment, the sludge separation plates are V-shaped sludge separation plates, and the bottoms of two adjacent V-shaped sludge separation plates are connected to form a zigzag and step-like structure.
As a preferred embodiment, the top of the reactor body is correspondingly provided with a gas collecting hood 6 above the three-phase separation zone 3; the top of the reactor body is provided with a cross beam 7 penetrating through the gas collecting cover 6, and the superior sludge settler 4 is elastically hung on the cross beam 7 through a hanger 10; the lower sludge separator 5 is elastically hung on the lower part of the upper sludge settler 4 through a hanger 10.
The lifting appliance 10 can be a steel rope, a lifting plate with a chain or a lifting steel bar; or a hoisting plate with a spring or a hoisting steel bar is adopted; or the two ends of the steel bars are hinged with the top end and the lower end, so that the gas collecting cover shakes or shakes to vibrate to a certain extent, and the falling of sludge settled on a superior sludge settling device is facilitated.
The gas collecting cover 6 is buckled at the top of the reactor body, and a gas outlet 61 is arranged at the top of the gas collecting cover 6.
A baffle plate 8 is arranged below the upper stage sludge settler 4, and the baffle plate 8 is a conical baffle plate with the conical top consisting of an upper plate 81 and a lower plate 82 facing the central axis of the three-phase separation zone 3. The upper end of the upper plate 81 extends toward the upper and outer portions of the reactor body to form an annular overflow weir 9 with the outer wall of the reactor body.
In a preferred embodiment, the upper end of the overflow weir 9 is a zigzag overflow port.
As a preferred embodiment, the included angle between the water distribution nozzles and the water distribution pipes is 45 °.
Claims (10)
1. An upflow anaerobic reactor, which comprises a reactor body and is characterized in that: the reactor body is sequentially provided with a water distribution area, a reaction area and a three-phase separation area from bottom to top; the water distribution area is provided with a sewage inlet; the sewage inlet is communicated with a water distributor;
the water distributor comprises a plurality of circles of water distribution pipes which are sleeved, and the outermost circle of water distribution pipe of the plurality of circles of water distribution pipes is provided with a water inlet pipe communicated with the sewage inlet; a plurality of pressure increasing pipes communicated with the multi-circle water distribution pipes are uniformly arranged in the circumferential direction of the multi-circle water distribution pipes; the bottom of the multi-circle water distribution pipe is provided with a plurality of water distribution nozzles facing the bottom of the water distribution area; the plurality of water distribution nozzles and the plurality of circles of water distribution pipes are arranged in the same direction at a certain angle in the circumferential direction; one of the pressure increasing pipes is communicated with the sewage inlet and is positioned on the same axis with the sewage inlet.
2. An upflow anaerobic reactor as in claim 1, in which: the outermost circle of water distribution pipe of the multi-circle water distribution pipe is a semicircular water distribution pipe; the two water inlet pipes are arranged and are communicated with the two ends of the semicircular water distribution pipe in an acute angle.
3. An upflow anaerobic reactor as in claim 1, in which: the three-phase separation zone is provided with an upper-level sludge settler and a lower-level sludge separator which are arranged oppositely up and down; a plurality of sludge settling clapboards which are arranged upwards are arranged on the upper sludge settler; the sludge settling partition plates are arranged in a step shape and gradually incline downwards from the central part to the periphery; the lower sludge separator is provided with a plurality of sludge separating plates which are arranged downwards, and the plurality of sludge separating plates are arranged in a step shape and gradually incline downwards from the periphery to the central part.
4. An upflow anaerobic reactor as in claim 3, in which: the superior sludge settler comprises an upper bottom plate, and the upper bottom plate is a conical upper bottom plate; the sludge settling partition plates are annularly and stepwisely arranged on the conical upper bottom plate, and a sludge settling space is formed between every two adjacent sludge settling partition plates.
5. An upflow anaerobic reactor as in claim 3, in which: the lower-level sludge separator comprises a lower bottom plate which is an inverted cone-shaped lower bottom plate or a V-shaped lower bottom plate; and the sludge separation plates are arranged on the inverted cone-shaped lower bottom plate or the V-shaped lower bottom plate in a stepped manner.
6. An upflow anaerobic reactor as in claim 3, in which: the sludge separation plates are V-shaped sludge separation plates, and the bottoms of two adjacent V-shaped sludge separation plates are connected to form a structure which is zigzag and is in stepped arrangement.
7. An upflow anaerobic reactor as in claim 3, in which: a cement channel is arranged between the upper sludge settler and the inner wall of the reactor body; the outer diameter of the superior sludge settler is larger than that of the inferior sludge separator.
8. An upflow anaerobic reactor as in claim 3, in which: the upper sludge settler is elastically hung at the top of the reactor body; the lower sludge separator is elastically hung on the lower part of the upper sludge settler.
9. An upflow anaerobic reactor device as in claim 8, in which: a gas collecting cover is correspondingly arranged at the top of the reactor body above the three-phase separation area; the top of the reactor body is provided with a cross beam penetrating through the gas collecting cover, and the superior sludge settler is elastically hung on the cross beam.
10. An upflow anaerobic reactor device as in any one of claims 1 to 9, wherein: the reaction zone is provided with an upper layer screen plate and a lower layer screen plate, the meshes of the upper layer screen plate and the lower layer screen plate are arranged in a staggered mode, and a filler is arranged between the upper layer screen plate and the lower layer screen plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022221556.7U CN214115057U (en) | 2020-09-30 | 2020-09-30 | Upflow anaerobic reaction device |
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| CN202022221556.7U CN214115057U (en) | 2020-09-30 | 2020-09-30 | Upflow anaerobic reaction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174312A (en) * | 2020-09-30 | 2021-01-05 | 山东默锐环境产业股份有限公司 | Upflow anaerobic sludge blanket reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174312A (en) * | 2020-09-30 | 2021-01-05 | 山东默锐环境产业股份有限公司 | Upflow anaerobic sludge blanket reactor |
| CN112174312B (en) * | 2020-09-30 | 2022-09-09 | 山东默锐环境产业股份有限公司 | Upflow anaerobic sludge blanket reactor |
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