CN210313699U

CN210313699U - Anaerobic reactor

Info

Publication number: CN210313699U
Application number: CN201921296402.5U
Authority: CN
Inventors: 侯晓智; 薛创军; 明玲玲
Original assignee: Shanghai Pangke Environmental Technology Co Ltd
Current assignee: Shanghai Pangke Environmental Technology Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-14
Anticipated expiration: 2029-08-09

Abstract

The utility model provides an anaerobic reactor, which comprises a tank body, a three-phase separator, a solid-liquid separator, a water distributor and a pipe loop system, wherein the tank body is provided with an upper section, a middle section and a lower section; the pipe loop system comprises a first water pipe, a second water pipe, a third water pipe and a return pipe; the three-phase separator is connected with the solid-liquid separator through a first water pipe, one end of a second water pipe is communicated with the solid-liquid separator, the other end of the second water pipe extends out of the tank body, one end of a third water pipe is communicated with the water distributor, the other end of the third water pipe extends out of the tank body, and the solid-liquid separator is communicated with the third water pipe or the water distributor through a return pipe. The utility model has the advantages of strong anti-load capacity, large impact resistance and sludge loss prevention.

Description

Anaerobic reactor

Technical Field

The utility model belongs to the technical field of waste water treatment, concretely relates to anaerobic reactor for anaerobic treatment of high-concentration organic wastewater.

Background

An anaerobic reactor for treating the high-concentration organic sewage features that the anaerobic granular sludge technique is fully used to provide a full upward flow speed to the reactor by internal (external) circulation, so maintaining the expansion of granular sludge bed and the mixing in the reactor.

With the improvement of the requirements of wastewater treatment projects on treatment cost, floor area saving, operation stability and the like, the conventional wastewater anaerobic treatment equipment has the defects of low sludge load, low volume load, small impact resistance, easy sludge loss and the like.

SUMMERY OF THE UTILITY MODEL

To the defect of the prior art, the utility model provides an anaerobic reactor, it has the advantage that anti-load ability is strong, shock resistance is big and prevent that mud from running off.

The utility model discloses a concrete technical scheme as follows:

an anaerobic reactor comprises a tank body, a three-phase separator, a solid-liquid separator, a water distributor and a pipe loop system, wherein the tank body is provided with an upper section, a middle section and a lower section; the pipe loop system comprises a first water pipe, a second water pipe, a third water pipe and a return pipe; the double-channel three-phase separator is connected with the solid-liquid separator through the first water pipe, one end of the second water pipe is communicated to the solid-liquid separator, the other end of the second water pipe extends out of the tank body, one end of the third water pipe is communicated to the water distributor, the other end of the third water pipe extends out of the tank body, and the solid-liquid separator is communicated to the third water pipe or the water distributor through the return pipe.

The above technical scheme of the utility model, the outlet pipe that three phase separator was made to first water pipe uses, and mixture waste water is through three phase separator separation back, and the supernatant flows to solid-liquid separator through first water pipe, and the mud that deposits this moment subsides naturally to inside the reaction to guarantee jar interior sludge concentration.

The second water pipe is used as a main water outlet pipe of the tank body, and water separated from the solid-liquid separator flows out of the tank body through the main second water pipe, wherein preferably, a water outlet of the second water pipe is arranged at the upper half part, specifically the upper section, of the tank body;

the third water pipe is used as a water inlet pipe or a water inlet distribution pipe of the tank body and is used for conveying raw water or circulating water into the tank body.

The return pipe is used as a sludge circulation pipe in the solid-liquid separator, and preferably, a circulation pump for preventing clogging of the settling chamber in the solid-liquid separator, and a manual valve are further provided, and for example, a sludge discharge pipe is provided in the solid-liquid separator, and according to the clogging of the settling chamber in the solid-liquid separator, flushing is performed by externally connecting flushing water or nitrogen to the manual valve to prevent clogging in the settling chamber in the solid-liquid separator.

The tank body of the utility model can be arranged on site, wherein the diameter of the tank body can be selected to be 2-26 m, the vertical height can be selected to be 16-28 m, and the tank has the advantage of strong adaptability.

According to another embodiment of the present invention, a biogas outlet and a water seal device located at the biogas outlet are disposed at the top of the tank body, wherein the rear end of the water seal device can be further connected to a biogas processing unit.

According to the utility model discloses a another kind of embodiment, further include feed pump, circulating pump, the feed pump sets up on the third water pipe and is located jar body outside, and the circulating pump sets up on the back flow and is located jar body outside.

According to the utility model discloses a another kind of embodiment, the water-locator is the frustum form that the upper end is little, the lower extreme is big, wherein, but water-locator metal, plastic material welded molding according to the size of the jar body, and water-locator upper portion adopts the pipeline to link to each other with the third water pipe, and bolted connection or welding form are adopted to the bottom and are linked to each other with the bottom of the jar body.

Furthermore, a jet nozzle is arranged in the water distributor, and the water distributor has higher pressure and larger flow, thereby avoiding blockage and local accumulated precipitation caused by uneven stirring.

As an extension of the utility model, the three-phase separator is a two-channel three-phase separator, including the degassing chamber that is located the top, separate at the first separating chamber of degassing chamber both sides and be located the first precipitation chamber of first separating chamber outside below, its appearance is the overall arrangement of "V" type from bottom to top.

Furthermore, the three-phase separator is formed by welding plastic or metal, belongs to an integrated combined device and is fixed on a support beam in the tank body by means of bolt connection for example.

As another extension of the present invention, the solid-liquid separator includes a second separation chamber located above and a second settling chamber located below, and the second separation chamber is welded or bolted to the second settling chamber;

one preferred second separation chamber comprises a plurality of obliquely arranged plates, outlet water perforated pipes connecting the plates.

Further, the longitudinal section of the second settling chamber is also set to be V-shaped, and correspondingly, a perforated sludge discharge pipe can be arranged at the bottom of the second settling chamber.

As a further example, the utility model discloses an extend, still include the sampler, the sampler includes a plurality of sampling tubes that set up along the direction of height layering of the jar body, and the one end mouth of pipe of a plurality of sampling tubes sets up to stretching out outside the jar body.

Specifically, each sampling tube is provided with a valve, and sampling is carried out by opening the valve, so that the operation indexes of each height layer of the anaerobic reactor can be fed back in time.

The utility model discloses possess following beneficial effect:

1. the plane layout occupies small area, the construction period is short, the diameter of the reactor can adopt an integral transportation or on-site assembly mode according to the size, the integral transportation greatly improves the construction period, and the reactor shell adopts support and bolt connection for distribution and hoisting of internal parts of the on-site assembly reactor;

2. the water distributor with the special design has strong stirring capacity and avoids dead zones formed by sludge precipitation at the bottom of the tank body, thereby avoiding the phenomenon of load reduction of the reactor;

3. the solid-liquid separator is positioned at the middle section of the tank body, particularly the position close to the lower section, after the inlet water is subjected to gas separation through the top double-channel three-phase separator, the solid-liquid separation is not disturbed by gas, the separation effect is good, and the effluent suspended matter is low;

4. wide application range, high sludge load and high volume load of the reactor, and effectively reduces the cost.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of the anaerobic reactor of the present invention.

Detailed Description

As shown in FIG. 1, an anaerobic reactor comprises a tank 1, a two-channel three-phase separator 2, a solid-liquid separator 3, a water distributor 4 and a pipe loop system 5.

The tank body 1 is provided with an upper section, a middle section and a lower section, the two-channel three-phase separator 2 is positioned at the upper section of the tank body 1, the solid-liquid separator 3 is positioned at the middle section of the tank body 1, and the water distributor 4 is positioned at the lower section of the tank body 1; the pipe loop system 5 comprises a first water pipe 51, a second water pipe 52, a third water pipe 53 and a return pipe 54; the two-channel three-phase separator 2 is connected with the solid-liquid separator 3 through a first water pipe 51, one end of a second water pipe 52 is communicated with the solid-liquid separator 3, the other end of the second water pipe 52 extends out of the tank body 1, one end of a third water pipe 53 is communicated with the water distributor 4, the other end of the third water pipe 53 extends out of the tank body 1, and the solid-liquid separator 3 is communicated with the third water pipe 53 through a return pipe 54.

The double-channel three-phase separator 2 comprises a degassing chamber 21, a first separation chamber 22 and a first precipitation chamber 23, specifically, the degassing chamber 21 is positioned above, the first separation chamber 22 is positioned on the left side and the right side, the first precipitation chamber 23 is positioned on the two sides of the first separation chamber 22, and the double-channel three-phase separator 2 is integrally arranged in a V shape from bottom to top.

The top of the tank body 1 is provided with a biogas outlet and a water seal 6 positioned at the biogas outlet, and the gas in the degassing chamber 21 overflows upwards and is discharged from the biogas outlet through the water seal 6; after solid and liquid are separated in the first separation chamber 22, the solid is vertically and downwards stored in the tank body 1 through the gravity of the first settling chamber 23, and the supernatant flows into the solid-liquid separator 3 through the first water pipe 51.

Wherein the solid-liquid separator 3 comprises a second separation chamber 31 positioned at the upper part and a second settling chamber 32 positioned at the lower part, and the second separation chamber 31 is welded or bolted with the second settling chamber 32; in particular, a perforated sludge discharge pipe may be provided at the bottom of the second settling chamber 32, and the perforated sludge discharge pipe is communicated to the third water pipe 53 through a return pipe 54.

In this embodiment, a supply pump 7 and a circulation pump 8 are disposed outside the tank 1, the supply pump 7 is disposed on the third water pipe 53, and the circulation pump 8 is disposed on the return pipe 54.

The water distributor 4 is in a frustum shape with a small upper end and a large lower end, the upper part of the water distributor 4 is connected with the third water pipe 53 by adopting a pipeline, and the lower part of the water distributor 4 is connected with the bottom of the tank body 1 by adopting a bolt connection or welding mode; in order to prevent local accumulation of sediment due to uneven stirring, jet nozzles are arranged in the water distributor 4.

In order to feed back the operating conditions of each height layer inside the anaerobic reactor in time, sampler 9 has still been set up to this embodiment, and wherein sampler 9 includes a plurality of sampling tubes that set up along the direction of height layering of the jar body 1, and the one end mouth of pipe of a plurality of sampling tubes sets up to stretch out outside the jar body 1 to set up the valve on the sampling tube, carry out the sample process through opening the valve.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention shall be covered by the scope of the invention.

Claims

1. An anaerobic reactor, comprising:

a tank body;

the three-phase separator is positioned at the upper section of the tank body;

the solid-liquid separator is positioned in the middle section of the tank body;

the water distributor is positioned at the lower section of the tank body; and

a pipe loop system;

wherein the pipe loop system comprises a first water pipe, a second water pipe, a third water pipe and a return pipe; the three-phase separator is connected with the solid-liquid separator through the first water pipe, one end of the second water pipe is communicated with the solid-liquid separator, the other end of the second water pipe extends out of the tank body, one end of the third water pipe is communicated with the water distributor, the other end of the third water pipe extends out of the tank body, and the solid-liquid separator is communicated with the third water pipe or the water distributor through the return pipe.

2. An anaerobic reactor according to claim 1, wherein a biogas outlet and a water seal located at the biogas outlet are provided at the top of the tank.

3. An anaerobic reactor according to claim 1, further comprising a feed pump, a circulation pump, said feed pump being located on said third water line and outside said tank, said circulation pump being located on said return line and outside said tank.

4. An anaerobic reactor according to claim 1, wherein the water distributor is in the form of a frustum with a small upper end and a large lower end.

5. An anaerobic reactor according to claim 4, wherein jet nozzles are provided in the water distributor.

6. An anaerobic reactor according to any one of claims 1 to 5, wherein the three-phase separator is a two-pass three-phase separator comprising a degassing chamber located above, a first separation chamber located separately on either side of the degassing chamber, and a first precipitation chamber located below the outside of the first separation chamber.

7. An anaerobic reactor according to any one of claims 1 to 5, wherein the solid-liquid separator comprises a second separation chamber located above and a second settling chamber located below, the second separation chamber being welded or bolted to the second settling chamber.

8. An anaerobic reactor according to claim 7, wherein the longitudinal cross-section of the second settling chamber is arranged in a V-shape.

9. An anaerobic reactor according to any one of claims 1 to 5, further comprising a sampler comprising a plurality of sampling tubes arranged in layers along the height of the tank, the sampling tubes having an end orifice arranged to extend out of the tank.

10. An anaerobic reactor according to claim 9, wherein each of the sampling tubes is provided with a valve.