Anaerobic treatment device for high-concentration wastewater

Abstract

The utility model discloses an anaerobic treatment device for high-concentration wastewater, which relates to the technical field of sewage treatment and comprises a tower body, a plurality of three-phase separators are distributed in the tower body at intervals along the vertical direction, a water distributor is arranged at the bottom end of the tower body and comprises a conical shell, a liquid inlet pipe is connected to the middle of the bottom end of the conical shell, and a water outlet pipe is connected to the bottom end of the conical shell. An electric heating pipe is fixedly connected to the interior of the conical shell, a plurality of heat exchange fins are fixedly connected to the outer side of the electric heating pipe, a plurality of liquid distribution pipes are fixedly connected to the outer side of the conical shell in the circumferential direction of the conical shell, and spray heads are fixedly connected to the liquid distribution pipes. The anaerobic treatment device for the high-concentration wastewater can be used for preheating, is uniform in water distribution and can avoid a channeling phenomenon.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to an anaerobic treatment device for high-concentration wastewater. Background Art

[0002] When treating organic matter in industrial wastewater, anaerobic treatment equipment is usually used, and the water distribution system in the anaerobic treatment equipment is the key part.

[0003] At present, the water distributors of most anaerobic treatment devices basically use ring coils for water distribution. This water distribution method is up and down stirring, which is prone to channeling, resulting in uneven mixing of anaerobic sludge and wastewater. In addition, the pressures of the various orifices on the coils are inconsistent, especially when treating high-concentration wastewater, where the orifices with lower pressures are prone to clogging. At the same time, it is inconvenient to heat the inlet water. When the inlet water temperature is low, it will affect the activity of its bacterial community and reduce the reaction rate.

[0004] Therefore, it is necessary to propose a high-concentration wastewater anaerobic treatment device to solve the above problems. Utility Model Content

[0005] (1) Technical problems solved

[0006] The purpose of the utility model is to provide a high-concentration wastewater anaerobic treatment device to solve the problems raised in the above background technology.

[0007] (2) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a high-concentration wastewater anaerobic treatment device, comprising a tower body, wherein a plurality of three-phase separators are arranged at intervals along the vertical direction inside the tower body, a water distributor is provided at the bottom end of the tower body, and the water distributor comprises a conical shell, a liquid inlet pipe is connected to the middle part of the bottom end of the conical shell, an electric heating pipe is fixedly connected to the inside of the conical shell, a plurality of heat exchange fins are fixedly connected to the outside of the electric heating pipe, a plurality of liquid distribution pipes are fixedly connected to the outside of the conical shell along its circumference, and a nozzle is fixedly connected to the liquid distribution pipe.

[0009] Preferably, the plurality of heat exchange fins are distributed in a circular array with the axis of the conical shell as the center.

[0010] Preferably, a flow guide cover is fixedly connected to the inner side of the conical shell, and the heat exchange fins are fixedly connected to the inner side of the flow guide cover.

[0011] Preferably, the plurality of liquid distributing tubes are distributed in an array along the circumferential direction of the conical shell, and the arrangement direction of the liquid distributing tubes is perpendicular to the axial direction of the conical shell.

[0012] Preferably, the water outlet direction of the nozzle is perpendicular to the axial direction of the liquid distribution pipe, and an angle is formed between the water outlet direction of the nozzle and the axial direction of the tower body.

[0013] Preferably, an exhaust pipe is provided at the top of the tower body, and a liquid drain pipe is provided at the top of one side of the tower body.

[0014] Preferably, there are three three-phase separators.

[0015] Preferably, a thermal insulation layer is provided on the outer side of the tower body.

[0016] (3) Beneficial effects

[0017] Compared with the existing technology, the utility model provides a high-concentration wastewater anaerobic treatment device with the following beneficial effects:

[0018] 1. The high-concentration wastewater anaerobic treatment device is provided with a conical shell and multiple distribution pipes are evenly arranged along its circumference. Each distribution pipe is individually connected to a nozzle to ensure consistent pressure, thereby making water distribution more uniform.

[0019] 2. The high-concentration wastewater anaerobic treatment device is equipped with a conical shell and heat exchange fins and electric heating tubes in it to preheat the inlet water, thereby preventing the inlet water temperature from being too low, affecting the activity of the bacterial community and reducing the reaction rate.

[0020] 3. The high-concentration wastewater anaerobic treatment device controls the water outlet direction of multiple nozzles, and disturbs the sewage and rotates it with the cooperation of multiple nozzles to reduce the sedimentation and aggregation of sludge and avoid the occurrence of channel flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a cross-sectional schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a three-dimensional cross-sectional schematic diagram of the water distributor of the utility model;

[0023] Figure 3 It is a cross-sectional schematic diagram of the water distributor of the utility model.

[0024] In the figure: 1. Exhaust pipe; 2. Drain pipe; 3. Tower body; 4. Three-phase separator; 5. Water distributor; 6. Liquid inlet pipe; 7. Heat exchange fins; 8. Flow guide cover; 9. Liquid distribution pipe; 10. Nozzle; 11. Conical shell; 12. Electric heating tube. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] See also Figure 1-3 As shown, a high-concentration wastewater anaerobic treatment device includes a tower body 3, a plurality of three-phase separators 4 are arranged at intervals along the vertical direction inside the tower body 3, a water distributor 5 is provided at the bottom end of the tower body 3, and the water distributor 5 includes a conical shell 11, a liquid inlet pipe 6 is connected to the middle of the bottom end of the conical shell 11, an electric heating pipe 12 is fixedly connected to the inside of the conical shell 11, a plurality of heat exchange fins 7 are fixedly connected to the outside of the electric heating pipe 12, a plurality of liquid distribution pipes 9 are fixedly connected to the outside of the conical shell 11 along its circumference, and a nozzle 10 is fixedly connected to the liquid distribution pipe 9.

[0027] During use, water is supplied to the conical shell 11 through the liquid inlet pipe 6, the sewage enters the water distributor 5, is preheated by the electric heating pipe 12, and then is evenly discharged into the tower body 3 through multiple nozzles 10.

[0028] By setting up an electric heating tube 12, the incoming water can be heated to prevent its inlet water temperature from being too low, affecting its bacterial activity and reducing the reaction rate; by adopting a water distributor 5 and arranging multiple liquid distribution pipes 9 along its circumference, the water outlet pressure of multiple nozzles 10 can be made consistent, making the water distribution more uniform.

[0029] In some embodiments, to improve heat exchange efficiency, a plurality of heat exchange fins 7 are arranged in a circular array around the axis of the conical shell 11. By arranging the heat exchange fins 7 in line with the water inlet direction, the heat exchange fins 7 are prevented from blocking the water flow.

[0030] A deflector 8 is fixedly attached to the inner side of the conical housing 11, and heat exchange fins 7 are fixedly attached to the inner side of the deflector 8. The deflector 8 guides the sewage, allowing it to flow through the heat exchange fins 7, where it is heated. Preferably, the electric heating tube 12 is offset from the liquid inlet pipe 6 to avoid obstructing the water flow.

[0031] A plurality of liquid distributing tubes 9 are arranged in an array along the circumference of the conical shell 11, and the arrangement direction of the liquid distributing tubes 9 is perpendicular to the axis direction of the conical shell 11. By distributing the liquid distributing tubes 9 in an array along the circumference, the uniformity of pressure is further ensured.

[0032] In some embodiments, the water outlet direction of the nozzle 10 is perpendicular to the axis of the liquid distribution pipe 9, and the water outlet direction of the nozzle 10 is at an angle to the axis of the tower body 3. By controlling the water outlet direction of multiple nozzles 10, the sewage is disturbed and rotated in coordination with the multiple nozzles 10 to reduce the sedimentation and accumulation of sludge.

[0033] Specifically, an exhaust pipe 1 is provided at the top of the tower body 3, and a drain pipe 2 is provided at the top of one side of the tower body 3. The exhaust pipe 1 is used to discharge biogas, and the drain pipe 2 is used to drain water.

[0034] In some embodiments, in order to adapt to the treatment of high-concentration sewage and ensure the treatment effect, there are three three-phase separators 4.

[0035] In order to reduce heat loss, a thermal insulation layer is provided on the outside of the tower body 3 .

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-concentration wastewater anaerobic treatment device, comprising a tower body (3), wherein a plurality of three-phase separators (4) are arranged at intervals along the vertical direction inside the tower body (3), and a water distributor (5) is provided at the bottom end of the tower body (3), characterized in that: The water distributor (5) comprises a conical shell (11), a liquid inlet pipe (6) is connected to the middle of the bottom end of the conical shell (11), an electric heating pipe (12) is fixedly connected to the inside of the conical shell (11), a plurality of heat exchange fins (7) are fixedly connected to the outside of the electric heating pipe (12), a plurality of liquid distribution pipes (9) are fixedly connected to the outside of the conical shell (11) along its circumference, and a nozzle (10) is fixedly connected to the liquid distribution pipe (9).

2. The high-concentration wastewater anaerobic treatment device according to claim 1, characterized in that: The plurality of heat exchange fins (7) are distributed in a circular array with the axis of the conical shell (11) as the center.

3. The high-concentration wastewater anaerobic treatment device according to claim 1, characterized in that: A flow guide cover (8) is fixedly connected to the inner side of the conical shell (11), and the heat exchange fins (7) are fixedly connected to the inner side of the flow guide cover (8).

4. The high-concentration wastewater anaerobic treatment device according to claim 1, characterized in that: The plurality of liquid dispensing tubes (9) are distributed in an array along the circumferential direction of the conical shell (11), and the arrangement direction of the liquid dispensing tubes (9) is perpendicular to the axial direction of the conical shell (11).

5. The high-concentration wastewater anaerobic treatment device according to claim 1, characterized in that: The water outlet direction of the nozzle (10) is perpendicular to the axial direction of the liquid distribution pipe (9), and an angle is formed between the water outlet direction of the nozzle (10) and the axial direction of the tower body (3).

6. The high-concentration wastewater anaerobic treatment device according to claim 1, characterized in that: An exhaust pipe (1) is provided at the top of the tower body (3), and a liquid discharge pipe (2) is provided at the top of one side of the tower body (3).

7. The high-concentration wastewater anaerobic treatment device according to claim 1, characterized in that: There are three three-phase separators (4).

8. The high-concentration wastewater anaerobic treatment device according to claim 1, characterized in that: A heat-insulating layer is provided on the outer side of the tower body (3).

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