CN216639039U

CN216639039U - Efficient three-phase separator for upflow anaerobic reactor

Info

Publication number: CN216639039U
Application number: CN202122500615.9U
Authority: CN
Inventors: 林碧花; 张继昌; 奚浩; 李猛; 查正林; 卢卓君; 钱壮; 姜晓燕; 谭雅焕
Original assignee: Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
Current assignee: Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-05-31
Anticipated expiration: 2031-10-18

Abstract

The utility model provides a high-efficiency three-phase separator for an upflow anaerobic reactor, which comprises: the separator comprises a separator shell, a plurality of baffle plates, a plurality of connecting rods and a total exhaust pipe, wherein the baffle plates, the connecting rods and the total exhaust pipe are arranged in the separator shell; the advantages are that: the effect of mud-water separation is improved, the problem of mud leakage is reduced, the quantity and frequency of supplementing the sludge to the reactor can be reduced, and the material resources and the labor cost are reduced.

Description

Efficient three-phase separator for upflow anaerobic reactor

Technical Field

The utility model relates to the technical field of energy storage systems, in particular to a high-efficiency three-phase separator for an upflow anaerobic reactor.

Background

The three-phase separator is an important device in the upflow anaerobic reactor, is generally arranged at the lower part of a settling zone, but can be arranged at the top of the reactor sometimes and consists of the settling zone, a backflow seam and a gas chamber, the main function of the three-phase separator is to separate three phases of gas (methane generated in the reaction process), solid (sludge in the reactor) and liquid (treated wastewater) and the like, in order to ensure the normal work of the upflow anaerobic reactor, besides the granular sludge with high settleability and high activity, the quality of the separation effect of the three-phase separator is also the key for determining the success of the upflow anaerobic reactor, the function of the three-phase separator is to introduce the methane into a gas collecting chamber, introduce the treated water into a water outlet zone and introduce the solid particles into the reaction zone.

However, the existing three-phase separator has simple structure, poor sludge-water separation effect and low efficiency, the proliferation speed of anaerobic process microorganisms is slow, and in addition, a large amount of gas is generated by anaerobic reaction, so that sludge leakage is serious, the sludge concentration in a reaction zone is low, the treatment effect is poor, and an upflow anaerobic reactor needs to be periodically supplemented with sludge, so that the material and labor costs are increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficiency three-phase separator for an upflow anaerobic reactor, which solves at least one defect in the background art.

In order to realize the purpose of the utility model, the utility model provides the following technical scheme:

a high efficiency three phase separator for an upflow anaerobic reactor comprising: the separator comprises a separator shell, a plurality of baffle plates, a plurality of connecting rods and a total exhaust pipe, wherein the baffle plates, the connecting rods and the total exhaust pipe are arranged in the separator shell;

the baffle comprises a plurality of first-stage separation baffles, a plurality of second-stage separation baffles and a plurality of third-stage separation baffles, wherein the first-stage separation baffles are distributed in the separator shell at equal intervals, the second-stage separation baffles are arranged between every two adjacent first-stage separation baffles and between the first-stage separation baffles and the separator shell at intervals, and the third-stage separation baffles are arranged between the first-stage separation baffles and the second-stage separation baffles and between the second-stage separation baffles and the separator shell at intervals;

the exhaust pipe, No. two blast pipes, No. three blast pipes are installed respectively on the top of one-level separation baffle second grade separation baffle third grade separation baffle, just No. one blast pipe, No. two blast pipes, No. three blast pipes all with total blast pipe intercommunication.

Preferably, the main exhaust pipe is mounted at the upper part of the separator shell, and two ends of the main exhaust pipe respectively abut against the separator shell;

wherein, be equipped with two ascending gas outlets on the total blast pipe.

Preferably, the installation heights of the first-stage separation baffle, the second-stage separation baffle and the third-stage separation baffle in the separator shell are sequentially increased, so that the first-stage separation baffle is located below the bottom of the second-stage separation baffle, and the bottom of the second-stage separation baffle is located below the bottom of the third-stage separation baffle.

Preferably, triangular mud blocks are mounted at the tops of the first-stage separation baffle and the second-stage separation baffle, and the top ends of the triangular mud blocks face upwards;

the gap between the side wall of the triangular mud-guard block in the first-stage separation baffle and the inner wall of the triangular mud-guard block is used for gas to enter the first-stage exhaust pipe, and the gap between the side wall of the triangular mud-guard block in the second-stage separation baffle and the inner wall of the triangular mud-guard block is used for gas to enter the second-stage exhaust pipe.

Preferably, a plurality of water outlets are formed in the separator shell at equal intervals along the circumferential direction of the separator shell, and the water outlets are formed at a height between the three-stage separation baffle and the main exhaust pipe.

Preferably, the cross-sectional structures of the first-stage separation baffle, the second-stage separation baffle and the third-stage separation baffle are all in a shape like a Chinese character 'ba'.

The utility model relates to a high-efficiency three-phase separator for an upflow anaerobic reactor, which has the advantages that:

1. according to the utility model, the sludge from bottom to top and the water are sequentially separated through the arrangement of layering and dislocation of the first-stage separation baffle, the second-stage separation baffle and the third-stage separation baffle from low to high, so that the effect of separating sludge from water is improved, the sludge leakage problem is reduced, the amount and frequency of supplementing sludge to the reactor can be reduced, and the material and labor costs are reduced;

2. according to the utility model, the triangular mud blocking blocks are arranged in the primary separation baffle and the secondary separation baffle, so that the sludge entering the primary separation baffle and the secondary separation baffle is effectively blocked, the sludge is prevented from entering the exhaust pipeline under the push of water power to block the exhaust pipe, and the methane can be discharged more smoothly.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a front cross-sectional view of a high efficiency three phase separator for an upflow anaerobic reactor.

FIG. 2 is a schematic diagram of a high efficiency three phase separator for an upflow anaerobic reactor.

FIG. 3 is an enlarged view of a high efficiency three-phase separator for an upflow anaerobic reactor at A in FIG. 1.

1. A separator housing; 2. a first stage separation baffle; 3. a secondary separation baffle; 4. a third stage separation baffle; 5. A main exhaust pipe; 6. a first exhaust pipe; 7. a second exhaust pipe; 8. a third exhaust pipe; 9. an air outlet; 10. A connecting rod; 11. a water outlet; 12. triangular mud-guard block.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Three phases of gas (methane generated in the reaction process), solid (sludge in the reactor) and liquid (treated wastewater) in the reactor are separated to ensure the normal work of the upflow anaerobic reactor, improve the concentration of granular sludge in the reaction zone and improve the treatment effect of the anaerobic reactor; according to fig. 1 and 2, the present invention provides a high efficiency three-phase separator for an upflow anaerobic reactor, comprising: the device comprises a separator shell 1, a plurality of baffles, a plurality of connecting rods 10 and a main exhaust pipe 5, wherein the baffles, the connecting rods 10 and the main exhaust pipe 5 are arranged in the separator shell 1, and adjacent baffles are fixedly connected through the connecting rods 10;

the baffle comprises a plurality of first-stage separation baffles 2, a plurality of second-stage separation baffles 3 and a plurality of third-stage separation baffles 4, the first-stage separation baffles 2 are distributed in the separator shell 1 at equal intervals, the second-stage separation baffles 3 are arranged between every two adjacent first-stage separation baffles 2 and between the first-stage separation baffles 2 and the separator shell 1 at intervals, and the third-stage separation baffles 4 are arranged between the first-stage separation baffles 2 and the second-stage separation baffles 3 and between the second-stage separation baffles 3 and the separator shell 1 at intervals; first grade separation baffle 2 second grade separation baffle 3 the top on the tertiary separation baffle 4 is installed exhaust pipe 6, No. two blast pipes 7, No. three blast pipes 8 respectively, just exhaust pipe 6, No. two blast pipes 7, No. three blast pipes 8 all with total exhaust pipe 5 intercommunication for the marsh gas that produces in the three-phase separator passes through respectively exhaust pipe 6, No. two blast pipes 7, No. three blast pipes 8 assemble in total exhaust pipe 5.

In a specific implementation process, the main exhaust pipe 5 is installed at the upper part of the separator shell 1, and two ends of the main exhaust pipe are respectively abutted against the separator shell 1; two upward air outlets 9 are formed in the main exhaust pipe 5, so that methane gathered in the main exhaust pipe 5 is discharged through the air outlets 9;

in the specific implementation process, the first-stage separation baffle 2, the second-stage separation baffle 3 and the third-stage separation baffle 4 are sequentially increased in installation height in the separator shell 1, so that the bottom of the first-stage separation baffle 2 is located below the bottom of the second-stage separation baffle 3, and the bottom of the second-stage separation baffle 3 is located below the bottom of the third-stage separation baffle 4, so that sludge deposition is effectively avoided.

In a specific implementation process, as shown in fig. 1 to 3, the cross-sectional structures of the primary separation baffle 2, the secondary separation baffle 3 and the tertiary separation baffle 4 are all in a shape of a Chinese character 'ba'; triangular mud blocks 12 are mounted at the tops of the primary separation baffle 2 and the secondary separation baffle 3, and the top ends of the triangular mud blocks 12 face upwards; wherein, the clearance between the lateral wall of triangle fender mud piece 12 in the one-level separation baffle 2 and its inner wall is used for gaseous entering one-level blast pipe 6, it is gapped between the lateral wall of triangle fender mud piece 12 in the second grade separation baffle 3 and its inner wall, is used for gaseous entering No. two blast pipes 7 avoid sewage, mud to block up one-level separation baffle 2 second grade separation baffle 3 tertiary separation baffle 4.

In the specific implementation process, a plurality of water outlets 11 are arranged on the separator shell 1 at equal intervals along the circumferential direction of the separator shell, and the water outlets 11 are arranged at a height between the three-stage separation baffle 4 and the main exhaust pipe 5, so that sewage in the three-phase separator flows upwards through gaps between the baffles and is discharged through the water outlets 11.

The utility model is realized by the following steps:

when the reactor works, sewage enters the bottom of the reactor through uniform water distribution, the sewage passes through the anaerobic sludge bed reactor from bottom to top, a sludge suspension layer is formed on the sludge layer, when the sludge suspension layer flows upwards through the three-phase separator, most of the sludge is blocked by the primary separation baffle 2, meanwhile, part of the methane is pushed to the top of the primary separation baffle 2 by the sludge, the sludge is discharged into the main exhaust pipe 5 through the primary exhaust pipe 6, part of the sludge suspension enters the secondary separation baffle 3 through a gap between two adjacent primary separation baffles 2, the secondary separation baffle 3 blocks part of the sludge, meanwhile, part of the sludge is pushed into the secondary exhaust pipe 7 at the top of the secondary separation baffle 3 and is conveyed into the main exhaust pipe 5 through the secondary exhaust pipe 7, when few parts of the sludge pass through a gap between the primary separation baffle 2 and the secondary separation baffle 3, three-level separation baffle 4 arranged between the first-level separation baffle 2 and the second-level separation baffle 3 can block the sludge, the sludge is slowly precipitated to the bottom of the reactor after being blocked by the baffles, the water body flows upwards through gaps between the baffles and is discharged through a water outlet 11, and the biogas is discharged through a main exhaust pipe 5, so that three-phase separation of the sludge, the water and the biogas can be realized.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A high-efficiency three-phase separator for an upflow anaerobic reactor is characterized in that: the separator comprises a separator shell (1), and a plurality of baffles, a plurality of connecting rods (10) and a total exhaust pipe (5) which are arranged in the separator shell (1), wherein adjacent baffles are fixedly connected through the connecting rods (10);

the baffle comprises a plurality of first-stage separation baffles (2), a plurality of second-stage separation baffles (3) and a plurality of third-stage separation baffles (4), the first-stage separation baffles (2) are distributed in the separator shell (1) at equal intervals, one second-stage separation baffle (3) is arranged between every two adjacent first-stage separation baffles (2) and between each first-stage separation baffle (2) and the separator shell (1) at intervals, and the third-stage separation baffles (4) are arranged between the first-stage separation baffles (2) and the second-stage separation baffles (3) and between each second-stage separation baffles (3) and the separator shell (1) at intervals;

one-level separation baffle (2), second grade separation baffle (3), No. one blast pipe (6), No. two blast pipes (7), No. three blast pipes (8) are installed respectively to the top on tertiary separation baffle (4), just blast pipe (6), No. two blast pipes (7), No. three blast pipes (8) all with total blast pipe (5) intercommunication.

2. The high-efficiency three-phase separator for an upflow anaerobic reactor as set forth in claim 1, wherein: the main exhaust pipe (5) is arranged at the upper part of the separator shell (1), and two ends of the main exhaust pipe are respectively abutted against the separator shell (1);

wherein, two air outlets (9) are arranged on the main exhaust pipe (5).

3. The high-efficiency three-phase separator for an upflow anaerobic reactor as set forth in claim 1, wherein: the primary separation baffle (2), the secondary separation baffle (3), the tertiary separation baffle (4) are in the mounting height in separator casing (1) increases in proper order, makes the bottom of primary separation baffle (2) be located below the bottom of secondary separation baffle (3), the bottom of secondary separation baffle (3) be located below the bottom of tertiary separation baffle (4).

4. The high-efficiency three-phase separator for an upflow anaerobic reactor as set forth in claim 1, wherein: triangular mud blocks (12) are mounted at the tops of the primary separation baffle (2) and the secondary separation baffle (3), and the top ends of the triangular mud blocks (12) face upwards;

the gap between the side wall of the triangular mud blocking block (12) in the first-stage separation baffle (2) and the inner wall of the triangular mud blocking block is used for gas to enter the first exhaust pipe (6), and the gap between the side wall of the triangular mud blocking block (12) in the second-stage separation baffle (3) and the inner wall of the triangular mud blocking block is used for gas to enter the second exhaust pipe (7).

5. The high-efficiency three-phase separator for an upflow anaerobic reactor as set forth in claim 1, wherein: a plurality of water outlets (11) are formed in the separator shell (1) at equal intervals along the circumferential direction of the separator shell, and the water outlets (11) are arranged at a height between the three-stage separation baffle (4) and the main exhaust pipe (5).

6. The high-efficiency three-phase separator for an upflow anaerobic reactor as set forth in any one of claims 1 to 5, wherein: the cross sections of the first-stage separation baffle (2), the second-stage separation baffle (3) and the third-stage separation baffle (4) are in a splayed shape.