CN211111278U - Water distribution device of anaerobic ammonia oxidation reactor - Google Patents

Abstract

The utility model discloses an anaerobic ammonia oxidation reactor water distribution device, including retort and water distribution structure, the inside from the top down of retort has set gradually water distribution structure and biological filler piece, and the water distribution structure is by the water distribution pipe, distributive tank and pipe network are constituteed, the bottom through connection of water distribution pipe has the distributive tank, and evenly be provided with the distributive opening on the outside periphery of distributive tank, and the outside of distributive tank link up and install the pipe network, the top cap of retort is link up on the top of water distribution pipe, and the water distribution pipe passes through sealed bearing and is connected with the top cap seal rotation of retort. The utility model discloses can carry out the even rotatory water distribution when using the water distribution device to improve the homogeneity of moisturizing, reduce the easy disintegration of the easy shortcoming that runs off of the bacterial that waste water often erodees, improve anaerobic ammonium oxidation reactor reaction efficiency.

Description

A water distribution device for anammox reactor

technical field

The utility model relates to the technical field of sewage treatment, in particular to a water distribution device for an anaerobic ammonia oxidation reactor.

Background technique

With the development of modern industry and the improvement of people's living standards, the phenomenon of eutrophication of water bodies has been intensified, and the discharge indicators of wastewater have been continuously tightened, which has put forward higher requirements for the denitrification technology in sewage treatment. Among them, the anaerobic ammonia oxidation process has It has obvious advantages such as low energy consumption, low sludge output, and saving of external carbon sources. At present, the reactors commonly used in engineering practice generally have the problem of uneven water distribution. The water distributor itself is fixed on the top of the anammox reactor. Most of the water distribution pipes of the water tank are fixed, resulting in insufficient contact with the bacteria after the wastewater falls, resulting in low reaction efficiency of the anammox reactor, easy disintegration and loss of bacteria that are often washed by wastewater, and solid deposits at the bottom of the reactor. clogging problem.

Therefore, there is a need for a water distribution device for an anammox reactor, which can evenly rotate and distribute water when using the water distribution device, thereby improving the uniformity of water replenishment, reducing the disadvantage of easy disintegration and loss of bacteria that are often washed by wastewater, and improving anaerobic conditions. Ammonia oxidation reactor reaction efficiency.

Utility model content

The purpose of this utility model is to provide a water distribution device for anammox reactor, which aims to improve the problem of uneven water distribution in existing commonly used reactors. At the top, the water distributor is fixed when it divides water, resulting in insufficient contact with the bacteria after the wastewater falls, resulting in low reaction efficiency of the anammox reactor, easy disintegration and loss of bacteria that are often washed by wastewater, and solid deposits in the reactor. The bottom causes clogging problems.

The utility model is realized in this way:

A water distribution device for an anaerobic ammonium oxidation reactor, comprising a reaction tank and a water distribution structure, the inside of the reaction tank is sequentially provided with a water distribution structure and a biological filler block from top to bottom, and the water distribution structure is composed of a water distribution pipe, a water distribution tank and a pipe. The bottom end of the water distribution pipe is connected with a water distribution tank, and the outer circumferential surface of the water distribution tank is evenly provided with a water distribution port, and a pipe network is installed through the outside of the water distribution tank, and the top of the water distribution pipe is connected to the top cover of the reaction tank. And the water distribution pipe is connected with the top cover of the reaction tank in a sealing and rotation manner through a sealing bearing, a driven gear is fixedly installed on the upper part of the water distribution pipe, and the end of the water distribution pipe is connected with a water inlet pipe interface through a sealing bearing, and the top side of the reaction tank is vertical. A motor is fixed, and a driving gear meshing with the driven gear is installed on the transmission shaft of the motor.

Further, a water distribution pipe is arranged on the pipe network, and the end of the water distribution pipe is sealedly connected with the water distribution port, and the bottom end of the water distribution pipe is evenly provided with a water outlet.

Furthermore, the sewage is uniformly guided into the pipe network through the water distribution pipe, and at the same time, the bottom end of the water distribution pipe is evenly provided with water passages, so that the water flow in the water distribution pipe can be dispersed and flow down.

Further, a mesh plate is horizontally fixed below the pipe network on the outer circumferential surface of the water distribution pipe, and the mesh plate is adhered with mesh cloth.

Furthermore, a mesh plate is horizontally fixed below the pipe network on the outer circumferential surface of the water distribution pipe to slow down the impact force of the water beam flowing down from the water inlet, preventing the frequent scouring force of waste water and the easy disintegration and loss of bacteria.

Further, an air outlet is provided on the top cover of the reaction tank, and a water outlet pipe is installed through the bottom surface of the reaction tank.

Then, through the air outlet opened on the top cover of the reaction tank, the discharged waste water reacts with the biological filler to generate gas, so as to ensure that the internal pressure of the reaction tank is constant, and a water outlet pipe is installed through the bottom surface of the reaction tank to export the water flow after the reaction.

Further, a communication pipe is penetratingly connected to the water distribution pipe, and the bottom end of the communication pipe is evenly provided with water passages.

Furthermore, a communication pipe is connected through the water distribution pipe, and the bottom end of the communication pipe is evenly provided with water passages, so that sewage can be evenly sprinkled from the water passages.

Compared with the prior art, the beneficial effects of the present utility model are: when the utility model uses the anammox reactor water distributing device to introduce sewage into the reaction tank to distribute water in the tank, the top of the water distributing structure is first passed through the tank. The sewage inlet pipe is connected to the water inlet pipe interface connected with the sealed bearing, and then the motor fixed on the top surface of the reaction tank is started to drive the driven gear on the water distribution pipe to rotate, thereby driving the water distribution structure connected to the reaction tank through the sealed bearing to rotate. Evenly sprinkled in the tank body, the sewage flows into the tank body through the water distribution pipe, and falls through the upper pipe network of the water distribution tank set through the bottom end of the water distribution pipe. After the pipe network, it evenly falls from the water opening at the bottom of the connecting pipe and the water distribution pipe, passes through the mesh plate to slow down the impact of the water flow, reacts with the biological filler block in the reaction tank, and flows out from the water outlet pipe at the bottom of the reaction tank, and rotates evenly when using the water distribution device. Water distribution, thereby improving the uniformity of water replenishment, reducing the disadvantage of easy disintegration and loss of bacteria that are often washed by wastewater, and improving the reaction efficiency of the anammox reactor.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the internal decomposition structure schematic diagram of the present utility model;

Fig. 3 is the structural schematic diagram of the water distribution structure in the embodiment of the present invention;

4 is a schematic diagram of the connection structure of the water distribution structure and the screen plate in the embodiment of the present invention;

5 is a schematic structural diagram of a water distribution pipe in an embodiment of the present invention.

In the figure: 1. Reaction tank; 11. Motor; 12. Water outlet; 13. Water outlet pipe; 2. Water distribution structure; 21. Water distribution pipe; 22. Sealed bearing; 23. Driven gear; 24. Water inlet pipe interface; 25, water distribution tank; 26, water outlet; 27, pipe network; 271, water distribution pipe; 272, water outlet; 273, connecting pipe; 28, mesh plate; 29, mesh cloth.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments of the present invention are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided 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 of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5, an anammox reactor water distribution device, including a reaction tank 1 and a water distribution structure 2, the interior of the reaction tank 1 is sequentially from top to bottom A water distribution structure 2 and a biological filler block are provided, and the water distribution structure 2 is composed of a water distribution pipe 21, a water distribution tank 25 and a pipe network 27. The bottom end of the water distribution pipe 21 is connected with a water distribution tank 25, and the outer circumference of the water distribution tank 25 is connected A water distribution port 26 is evenly arranged on the surface, and a pipe network 27 is installed through the outside of the water distribution tank 25. The top of the water distribution pipe 21 penetrates the top cover of the reaction tank 1, and the water distribution pipe 21 passes through the sealing bearing 22 and the top cover of the reaction tank 1. Sealed and rotated connection, the upper part of the water distribution pipe 21 is fixedly installed with a driven gear 23, and the end of the water distribution pipe 21 is connected with a water inlet pipe interface 24 through a sealed bearing 22, and the top side of the reaction tank 1 is vertically fixed with the motor 11, and A driving gear meshed with the driven gear 23 is mounted on the transmission shaft of the motor 11 .

Furthermore, when using the anammox reactor water distribution device to introduce sewage into the reaction tank 1 to distribute water in the tank, first connect the sewage inlet pipe to the water inlet pipe interface 24 connected to the top of the water distribution structure 2 through the sealed bearing 22, Then start the motor 11 fixed on the top surface of the reaction tank 1 to drive the driven gear 23 on the water distribution pipe 21 to rotate, thereby driving the water distribution structure 2 connected to the reaction tank 1 through the sealed bearing 22 to rotate, and the sewage is evenly sprinkled in the tank body. The sewage flows into the tank body through the water distribution pipe 21, and falls through the pipe network 27 on the water distribution tank 25 provided through the bottom end of the water distribution pipe 21. After the sewage is introduced into the pipe network 27, it falls evenly from the communication pipe 273 and the water port 272 at the bottom end of the water distribution pipe 271, passes through the mesh plate 28 to slow down the impact of the water flow, reacts with the biological filler blocks in the reaction tank 1, and flows out from the water outlet pipe 13 at the bottom end of the reaction tank 1. , When using the water distribution device, the water distribution is uniformly rotated, thereby improving the uniformity of water replenishment, reducing the disadvantage of easy disintegration and loss of bacteria that are often washed by wastewater, and improving the reaction efficiency of the anammox reactor.

Please refer to FIGS. 4 and 5 , the pipe network 27 is provided with a water distribution pipe 271 , and the end of the water distribution pipe 271 is sealed with the water distribution port 26 .

Furthermore, the sewage is uniformly guided into the pipe network 27 through the water distribution pipe 271, and the bottom end of the water distribution pipe 271 is evenly provided with water passages 272, so that the water flow in the water distribution pipe 271 can be dispersed and flow down.

Referring to FIG. 4 , a mesh plate 28 is horizontally fixed on the outer circumferential surface of the water distribution pipe 21 below the pipe network 27 , and a mesh cloth 29 is adhered to the mesh plate 28 .

Further, a mesh plate 28 is horizontally fixed below the pipe network 27 on the outer circumferential surface of the water distribution pipe 21 to slow down the impact force of the water beam flowing down from the water inlet 272, so as to prevent the bacteria from being easily disintegrated and lost due to the frequent scouring force of the waste water.

Please refer to FIG. 2 , an air outlet 12 is opened on the top cover of the reaction tank 1 , and a water outlet pipe 13 is installed through the bottom surface of the reaction tank 1 .

Then, through the air outlet 12 opened on the top cover of the reaction tank 1, the discharged waste water reacts with the biological filler to generate gas to ensure that the internal pressure of the reaction tank 1 is constant, and a water outlet pipe 13 is installed on the bottom surface of the reaction tank 1 for deriving the reaction. behind the water flow.

Referring to FIG. 4 , a communication pipe 273 is connected through the water distribution pipe 271 , and the bottom end of the communication pipe 273 is evenly provided with water passages 272 .

Furthermore, a communication pipe 273 is connected through the water distribution pipe 271, and the bottom end of the communication pipe 273 is evenly provided with a water passage 272, so that the sewage is evenly sprinkled from the water passage 272.

Working principle: When using the anammox reactor water distribution device to introduce sewage into the reaction tank 1 for water distribution in the tank, first connect the sewage inlet pipe to the inlet pipe interface 24 connected to the top of the water distribution structure 2 through the sealed bearing 22 , and then start the motor 11 fixed on the top surface of the reaction tank 1 to drive the driven gear 23 on the water distribution pipe 21 to rotate, thereby driving the water distribution structure 2 connected to the reaction tank 1 through the sealed bearing 22 to rotate, and the sewage is evenly sprinkled on the tank body. , the sewage flows into the tank through the water distribution pipe 21, and falls through the pipe network 27 on the water distribution tank 25 provided through the bottom end of the water distribution pipe 21. After the sewage is introduced into the pipe network 27, it falls evenly from the communication pipe 273 and the water outlet 272 at the bottom end of the water distribution pipe 271, passes through the mesh plate 28 to slow down the impact of the water flow, reacts with the biological filler block in the reaction tank 1, and then exits the water outlet pipe 13 at the bottom end of the reaction tank 1. outflow.

The device obtained through the above design can basically meet the requirements of a water distribution device that can uniformly rotate and distribute water when using a water distribution device, thereby improving the uniformity of water replenishment, reducing the shortcoming of easy disintegration and loss of bacteria that are often washed by wastewater, and improving anaerobic ammonia oxidation. The use of the anammox reactor water distribution device for the reactor reaction efficiency, but in line with the purpose of further improving its function, the designer has further improved the device.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an anaerobic ammonia oxidation reactor water distribution device, includes retort (1) and water distribution structure (2), its characterized in that: the reaction tank is characterized in that a water distribution structure (2) and a biological filler block are sequentially arranged in the reaction tank (1) from top to bottom, the water distribution structure (2) consists of a water distribution pipe (21), a water distribution box (25) and a pipe network (27), the bottom end of the water distribution pipe (21) is connected with the water distribution box (25) in a penetrating way, water distribution openings (26) are uniformly formed in the outer circumferential surface of the water distribution box (25), the pipe network (27) is installed in the outer portion of the water distribution box (25) in a penetrating way, the top end of the water distribution pipe (21) is connected with the top cover of the reaction tank (1), the water distribution pipe (21) is connected with the top cover of the reaction tank (1) in a sealing and rotating way through a sealing bearing (22), a driven gear (23) is fixedly installed on the upper portion of the water distribution pipe (21), the end portion of the water distribution pipe (21) is connected with a water inlet pipe connector (24) through the sealing bearing, and a driving gear meshed with the driven gear (23) is arranged on a transmission shaft of the motor (11).

2. The water distribution device of the anaerobic ammonia oxidation reactor according to claim 1, wherein a water distribution pipe (271) is arranged on the pipe network (27), the end part of the water distribution pipe (271) is hermetically connected with the water distribution port (26), and water through ports (272) are uniformly arranged at the bottom end of the water distribution pipe (271).

3. The water distribution device of the anaerobic ammonia oxidation reactor according to claim 2, characterized in that a screen (28) is horizontally fixed on the outer circumferential surface of the water distribution pipe (21) below the pipe network (27), and the screen (29) is bonded in the screen (28).

4. The water distribution device of the anaerobic ammonia oxidation reactor according to claim 3, wherein a top cover of the reaction tank (1) is provided with an air outlet (12), and a water outlet pipe (13) is arranged on the bottom surface of the reaction tank (1) in a penetrating manner.

5. The water distribution device of the anaerobic ammonia oxidation reactor according to claim 4, wherein the water distribution pipe (271) is connected with a communicating pipe (273) in a penetrating manner, and the bottom end of the communicating pipe (273) is uniformly provided with a water through port (272).

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