CN213834708U

CN213834708U - Novel pneumatic control water decanting device for sequencing batch reaction tank

Info

Publication number: CN213834708U
Application number: CN202022765133.1U
Authority: CN
Inventors: 杨企星; 沈磊; 吉成豪; 胡磊
Original assignee: CORSTAR ENVIRONMENTAL EQUIPMENT SHANGHAI Ltd
Current assignee: CORSTAR ENVIRONMENTAL EQUIPMENT SHANGHAI Ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-30
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a novel gas accuse water decanting device for sequencing batch reaction tank, including the pond, the inside fixed mounting in pond has out mill weir and air cover, the left side fixed mounting of air cover up end has water level electrode probe. This a novel gas accuse water decanting device for sequencing batch reaction tank, through to the air of injecting the air in the air cover and getting rid of the air in the air cover and reach the purpose of the inside water level of control air cover, can effectually avoid when the play water through the disappointing valve that sets up, the inside pressure of air cover is less than the siphonage that external atmospheric pressure arouses, can accelerate the inside air of air cover and external atmosphere circulation, avoid siphonage to arouse out the fluctuation of water flow and "bubble mud" phenomenon, overall structure is simple, the operation is stable, and its fault rate is extremely low, the operation is thus simple, and cost and maintenance cost are lower, be applicable to the sequencing batch reaction tank of constant water level operation, effectively improve the volume utilization ratio and the rate of equipment utilization of traditional sequencing batch reaction tank.

Description

Novel pneumatic control water decanting device for sequencing batch reaction tank

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a novel pneumatic control decanting device for a sequencing batch reaction tank.

Background

The decanter is one of the most critical mechanical devices in the SBR process, mainly comprises a siphon decanter, a rotary decanter, a self-floating decanter, a mechanical decanter and the like, and is widely applied to China at present and is a rotary decanter (belonging to one of the mechanical decanters).

The existing common water decanter pushes a water decanting vertical pipe by a mechanical push rod to drive a water decanting tank to synchronously descend along with the water level in a tank, and the water in the tank is discharged out of the tank, but because the mechanical push rod has a complex structure, high failure rate and high component abrasion tendency, and has high requirements on design precision, the common water decanter is only used for a sequencing batch reaction tank which runs at a non-constant water level and is not suitable for a sequencing batch reaction tank which runs at a constant water level with higher volume utilization rate and equipment utilization rate, and therefore a novel air control water decanting device for the sequencing batch reaction tank is urgently needed to be designed and is used for the sequencing batch reaction tank at a constant water level.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel gas accuse water decanting device for sequencing batch formula reaction tank, in order to solve and to present the ware of decanting commonly used now and lean on mechanical push rod to promote the standpipe of decanting, the drive is decanted the basin and is descended along with pond water level synchronization, outside the pond of discharging pond, nevertheless because its mechanical push rod structure is complicated, the fault rate is higher, and the part easily wears and teares, also than higher to the requirement of design precision, this type of ware of decanting generally only is used for the sequencing batch formula reaction tank of non-constant water level operation, and be not suitable for the problem of the higher constant water level operation sequencing batch formula reaction tank of volume utilization and equipment utilization.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel gas accuse water decanting device for sequencing batch reaction tank, includes the pond, the inside fixed mounting in pond has out mill weir and air cover, the left side fixed mounting that the air covered the up end has water level electrode probe, the right side fixed mounting that the air covered the up end has pipeline one, the outside fixedly connected with pipeline two of pipeline one, fixed mounting has the admission valve on the pipeline one, fixed mounting has the disappointing valve on the pipeline two, the right side of going out mill weir bottom is provided with the trap of undercut, the right side fixedly connected with play water board of trap, the avris in pond is provided with the switch board.

Preferably, the water outlet weir is positioned right below the air hood, and the water outlet weir and the air hood are not contacted.

Preferably, the water level electrode probe extends through the air hood to the lower part of the air hood.

Preferably, the air inlet valve and the air release valve both adopt electromagnetic valves.

Preferably, the bottom of the trap is of an arc-shaped structure, and the trap is communicated with the interior of the effluent weir.

Preferably, the water outlet plate penetrates through the water tank and extends to the outside of the water tank, the water outlet plate is of a hollow structure, and the water outlet plate is communicated with the inside of the trap.

Compared with the prior art, the beneficial effects of the utility model are that:

this a novel gas accuse decanter device for sequencing batch reaction pond, reach the purpose of the inside water level of control air cover through annotating the air in to the air cover and getting rid of the air in the air cover, can effectually avoid when the play water through the disappointing valve that sets up, the inside pressure of air cover is less than the siphonage that external atmospheric pressure arouses, open the disappointing valve when going out water, can accelerate the inside air of air cover and external atmospheric circulation, avoid siphonage to arouse out water flow fluctuation and "bubble mud" phenomenon, overall structure is simple, the operation is stable, and the fault rate is extremely low, the operation is thus simple, and cost and maintenance cost are lower, be applicable to the sequencing batch reaction pond of constant water level operation, effectively improve the volume utilization ratio and the equipment utilization ratio of traditional sequencing batch reaction pond.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of the structure of the weir of the present invention;

fig. 4 is a schematic view of the structure of the air hood of the present invention.

In the figure: 1. a pool; 2. an effluent weir; 3. an air shroud; 4. a water level electrode probe; 5. a first pipeline; 6. a second pipeline; 7. an intake valve; 8. a gas release valve; 9. a water trap; 10. a water outlet plate; 11. a control cabinet; A. normal water level in the pool; B. water pressing up; C. and (5) pressing water down.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel pneumatic control decanting device for a sequencing batch reaction tank comprises a water tank 1, a water outlet weir 2, an air hood 3, a water level electrode probe 4, a pipeline I5, a pipeline II 6, an air inlet valve 7, an air release valve 8, a trap 9, a water outlet plate 10, a control cabinet 11, a normal water level A in the tank, a water pressing upper position B and a water pressing lower position C, wherein the water outlet weir 2 and the air hood 3 are fixedly installed inside the water tank 1, the water level electrode probe 4 is fixedly installed on the left side of the upper end surface of the air hood 3, the pipeline I5 is fixedly installed on the right side of the upper end surface of the air hood 3, the pipeline II 6 is fixedly connected to the outer side of the pipeline I5, the air inlet valve 7 is fixedly installed on the pipeline I5, the air release valve 8 is fixedly installed on the pipeline II 6, the water trap 9 which is sunken downwards is arranged on the right side of the bottom of the water outlet weir 2, the water outlet plate 10 is fixedly connected to the right side of the water trap 9, the control cabinet 11 is arranged on the side of the water tank 1, the control cabinet 11 is electrically connected with the air inlet valve 7, the air release valve 8 and the water level electrode probe 4, and the water level electrode probe 4 can adopt an AT35-3-U6 model.

Furthermore, the water outlet weir 2 is positioned right below the air hood 3, and the water outlet weir 2 and the air hood 3 are not in contact, so that water in the water pool 1 can circulate conveniently.

Further, a water level electrode probe 4 extends below the air hood 3 through the air hood 3, the water level in the water tank 1 is detected through the water level electrode probe 4, and the water level of the water tank 1 is divided into a normal water level A, an upper pressurized water level B and a lower pressurized water level C in the water tank.

Furthermore, the air inlet valve 7 and the air release valve 8 both adopt electromagnetic valves, and the closing and the opening of the air inlet valve 7 and the air release valve 8 are controlled through the control cabinet 11.

Further, the bottom of the trap 9 is of an arc-shaped structure, the trap 9 is communicated with the inside of the effluent weir 2, water in the effluent weir 2 is stored through the trap 9, and when the water level in the trap 9 reaches the opening, the water is discharged through the effluent plate 10.

Furthermore, the water outlet plate 10 penetrates through the pool 1 and extends to the outside of the pool 1, the water outlet plate 10 is of a hollow structure, the water outlet plate 10 is communicated with the inside of the trap 9, and water in the pool is discharged through the arranged water outlet plate 10.

The working principle is as follows: firstly, the air hood 3 is made of glass fiber reinforced plastic or stainless steel high-strength light materials, the water level in the water pool 1 is detected through the water level electrode probe 4 in the use process, the highest water level in the water pool 1 is kept at a normal water level A in the water pool, the water level between the air hood 3 and the water outlet weir 2 can be divided into a water pressure upper position B and a water pressure lower position C according to the internal pressure of the air hood 3, when water drainage is not needed, the air release valve 8 is closed, the air inlet valve 7 is opened, the pipeline I5 is connected with the external air charging device, the pipeline II 6 extends to the external air, the air charging device charges air into the air hood 3 through the pipeline I5, the water level in the air hood 3 is reduced to the water pressure lower position C under the pressure when the water level electrode probe 4 senses that the water level is reduced to the water pressure lower position C, a signal is sent to the control cabinet 11, the control cabinet 11 controls the air inlet valve 7 to be closed, when the air leakage of the air hood 3 causes the water level in the air hood 3 to be increased to the water pressure upper position B, the water level electrode probe 4 senses the water level to rise, sends a signal to the control cabinet 11, the control cabinet 11 controls the external air charging device to work again, and opens the air inlet valve 7, so that the water level returns to the pressurized water lower position C again, the energy-saving and stable effects are achieved, when water needs to be discharged, the air release valve 8 is opened through the control cabinet 11, at the moment, the air inlet valve 7 is in a closed state, air in the air hood 3 is discharged through the pipeline II 6, the water level in the air hood 3 can rise under the action of atmospheric pressure, the water is discharged through the water outlet weir 2 to enter the trap 9 and then is discharged out of the water pool 1 through the water outlet plate 10, the siphon phenomenon caused by the fact that the pressure in the air hood 3 is lower than the external atmospheric pressure during water discharge can be effectively avoided through the arranged air release valve 8, the air release valve 8 is opened during water discharge, and the circulation of the air in the air hood 3 with the external atmosphere can be accelerated, avoid siphon phenomenon to arouse out water flow fluctuation and "bubble mud" phenomenon, overall structure is simple, and the operation is stable, and its fault rate is extremely low, easy operation, and cost and maintenance cost are lower, are applicable to the constant water level operation preface batch formula reaction tank, effectively improve the volume utilization ratio and the equipment utilization ratio of traditional preface batch formula reaction tank.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A novel air control water decanting device for a sequencing batch reaction tank comprises a water tank (1) and is characterized in that: the inside fixed mounting in pond (1) has play mill weir (2) and air cover (3), the left side fixed mounting of air cover (3) up end has water level electrode probe (4), the right side fixed mounting of air cover (3) up end has pipeline (5), the outside fixedly connected with pipeline two (6) of pipeline (5), fixed mounting has admission valve (7) on pipeline (5), fixed mounting has disappointing valve (8) on pipeline two (6), the right side of play mill weir (2) bottom is provided with downwardly trap (9), the right side fixedly connected with of trap (9) goes out water board (10), the inside fixed mounting in pond (1) is provided with switch board (11).

2. The novel pneumatic decanting apparatus for a sequencing batch reactor tank as claimed in claim 1, wherein: the water outlet weir (2) is positioned right below the air hood (3), and the water outlet weir (2) and the air hood (3) are not in contact with each other.

3. The novel pneumatic decanting apparatus for a sequencing batch reactor tank as claimed in claim 1, wherein: the water level electrode probe (4) penetrates through the air hood (3) and extends to the lower part of the air hood (3).

4. The novel pneumatic decanting apparatus for a sequencing batch reactor tank as claimed in claim 1, wherein: and the air inlet valve (7) and the air release valve (8) both adopt electromagnetic valves.

5. The novel pneumatic decanting apparatus for a sequencing batch reactor tank as claimed in claim 1, wherein: the bottom of the trap (9) is of an arc-shaped structure, and the trap (9) is communicated with the interior of the water outlet weir (2).

6. The novel pneumatic decanting apparatus for a sequencing batch reactor tank as claimed in claim 1, wherein: the water outlet plate (10) penetrates through the water pool (1) and extends to the outside of the water pool (1), the water outlet plate (10) is of a hollow structure, and the water outlet plate (10) is communicated with the inside of the trap (9).