CN215886501U

CN215886501U - MBR membrane cisterna off-line automatic reagent feeding device

Info

Publication number: CN215886501U
Application number: CN202122250647.8U
Authority: CN
Inventors: 黄福平
Original assignee: Fujian Dacheng Environmental Protection Co ltd
Current assignee: Fujian Dacheng Environmental Protection Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-02-22
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a MBR membrane cisterna off-line automatic reagent feeding device, it relates to sewage treatment technical field. It is including setting up the dosing tank that is used for storing the liquid medicine above the MBR membrane cisterna, the liquid medicine calandria is connected to the liquid outlet of dosing tank, from left to right the suction pump has set gradually on the body of the afterbody of outlet pipe, go out the water control valve, the liquid medicine calandria is provided with ooff valve A on being close to the body of dosing tank, the body that the liquid medicine calandria is close to the outlet pipe from top to bottom connects gradually the drip cup, add the medicine control valve, the right side that the outlet pipe is located the liquid medicine calandria is connected with ooff valve C, liquid medicine siphunculus both ends set up a ooff valve D on being close to the body of outlet pipe respectively, be equipped with monitoring module in the MBR membrane cisterna, PLC programmable controller passes through internet signal connection remote control end. After the technical scheme is adopted, the utility model has the beneficial effects that: and a dosing pump is not required to be arranged independently, so that the use cost is saved, and two different working modes of remote control and offline control are realized.

Description

MBR membrane cisterna off-line automatic reagent feeding device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an MBR membrane tank offline automatic dosing device.

Background

In sewage treatment, water resource field of recycling, MBR is also known as Membrane bioreactor (Membrane Bio-Reactor), is a novel water treatment technique that combines together by activated sludge and Membrane separation technique, both can regard as miniature sewage recycling equipment, can regard as the core processing unit of great type sewage treatment plant (station) again, and the wide application is in following field: : 1. refractory industrial wastewater: landfill leachate, chemical wastewater, medical wastewater, coking wastewater, textile wastewater, paper making and pulp, and oil refining industry; 2. high-concentration organic wastewater: food processing wastewater, breeding wastewater, slaughterhouse wastewater; 3. general wastewater: domestic wastewater, urban sewage and sewage recycling; 4. and (4) upgrading and transforming sewage treatment facilities and the like.

MBR membrane module in the MBR membrane cisterna is after using a period, in order to guarantee its work efficiency, need add the medicine to the MBR membrane and wash, there are some defects to MBR membrane cisterna off-line automatic reagent feeding device in the use among the prior art, can not satisfy the requirement when liquid medicine injection speed is accelerated to needs, can only reach the requirement through installing a dosing pump additional, use cost is higher, and control mode is comparatively single, can not remote control, need the staff to regulate and control at the scene, it is not convenient enough to use.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects and shortcomings of the prior art, the utility model provides the MBR membrane tank offline automatic dosing device which omits a dosing pump, saves the use cost, realizes two different working modes of remote control and offline control, reduces the working strength of workers, is convenient to use and strong in practicability, and meets the use requirements.

In order to achieve the purpose, the utility model adopts the following technical scheme: the device comprises a dosing tank arranged above an MBR membrane tank and used for storing liquid medicine, wherein a liquid outlet of the dosing tank is connected with a liquid medicine discharge pipe, a membrane bioreactor arranged inside the MBR membrane tank is connected with a water outlet pipe, the water outlet pipe extends out of the membrane tank and is connected with the liquid medicine discharge pipe, a suction pump and a water outlet control valve are sequentially arranged on a pipe body at the tail part of the water outlet pipe from left to right, the pipe body of the water outlet pipe, which is positioned between the suction pump and the water outlet control valve, is connected with a liquid medicine through pipe, the other end of the liquid medicine through pipe is connected to the left side of a connection port of the liquid medicine discharge pipe and the water outlet pipe, a switch valve A is arranged on the pipe body of the liquid medicine discharge pipe, which is close to the dosing tank, a drip cup and a dosing control valve are sequentially connected from top to bottom with the pipe body of the liquid medicine discharge pipe, a switch valve B is arranged on the pipe body of the water outlet pipe, which is positioned between the connection end of the liquid medicine discharge pipe and the water outlet pipe, and the right side of the liquid medicine discharge pipe is connected with a switch valve C, set up a ooff valve D on the body that liquid medicine siphunculus both ends are close to the outlet pipe respectively, be equipped with monitoring module in the MBR membrane cisterna, monitoring module electric connection PLC programmable controller, PLC programmable controller passes through internet signal connection remote control end.

The dosing tank is connected with a stirring device used for improving the mixing uniformity of the liquid medicine.

The monitoring module comprises a PH on-line detector and an ultrasonic liquid level meter which are arranged inside the MBR membrane pool.

And the control ends of the switch valve A, the switch valve B, the switch valve C, the switch valve D, the water outlet control valve, the suction pump and the dosing control valve are electrically connected with the PLC.

After adopting above-mentioned technical scheme, compare in prior art and have following beneficial effect:

1. the liquid medicine flow accelerating device can be used when the liquid medicine flow is required to be accelerated by additionally arranging the liquid medicine through pipe matched with the suction pump, the switch valve D and the like, the flow of the liquid medicine is accelerated by using the suction pump, and a medicine adding pump is not required to be independently arranged, so that the use cost is saved, and the use is convenient;

2. each valve, suction pump etc. are connected through setting up PLC programmable controller, and PLC programmable controller passes through internet and remote control end signal connection, have realized two different mode of remote control and off-line control, need not the staff and control convenient to use at the scene.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a block diagram of the control system of the present invention.

Description of reference numerals: the device comprises a dosing tank 1, a stirring device 11, an MBR membrane pool 2, a PH online detector 21, an ultrasonic liquid level meter 22, a membrane bioreactor 3, a water outlet pipe 31, a water outlet control valve 311, a suction pump 312, a switch valve B313, a switch valve C314, a liquid medicine discharge pipe 4, a drip cup 41, a switch valve A42, a dosing control valve 43, a liquid medicine discharge pipe 5, a switch valve D51, a PLC (programmable logic controller) 6, a remote control end 7 and a monitoring module 8.

Detailed Description

Referring to fig. 1 to 2, the technical solution adopted by the present embodiment is: the device comprises a dosing tank 1 which is arranged above an MBR membrane tank 2 and used for storing liquid medicine, a liquid outlet of the dosing tank 1 is connected with a liquid medicine calandria 4, a membrane bioreactor 3 which is arranged inside the MBR membrane tank 2 is connected with a water outlet pipe 31, the water outlet pipe 31 extends out of the membrane tank and is connected with the liquid medicine calandria 4, a suction pump 312 and a water outlet control valve 311 are sequentially arranged on a pipe body at the tail part of the water outlet pipe 31 from left to right, a pipe body of the water outlet pipe 31 which is positioned between the suction pump 312 and the water outlet control valve 311 is connected with a liquid medicine through pipe 5, the other end of the liquid medicine through pipe 5 is connected to the left side of a connecting port of the liquid medicine calandria 4 and the water outlet pipe 31, a switch valve A42 is arranged on the pipe body of the liquid medicine calandria 4 which is close to the dosing tank 1, a pipe body of the liquid medicine calandria 4 which is close to the water outlet pipe 31 is sequentially connected with a drip cup 41 and a dosing control valve 43 from top to bottom, a pipe body of the water outlet pipe 31 which is positioned between the connecting end of the liquid medicine calandria pipe 4 and the water outlet pipe 31 is provided with a switch valve B313, the right side that outlet pipe 4 is located liquid medicine calandria 4 is connected with ooff valve C314, sets up an ooff valve D51 on the body that liquid medicine siphunculus 5 both ends are close to outlet pipe 31 respectively, is equipped with monitoring module 8 in the MBR membrane cisterna 2, and monitoring module 8 electric connection PLC programmable controller 6, PLC programmable controller 6 pass through internet signal connection remote control end 7.

Wherein, dosing tank 1 connect and be used for improving the agitating unit 11 that the liquid medicine mixes the degree of consistency, agitating unit 11 is the common agitating unit who can be used to dosing tank 1 on the market, consequently does not describe here any more.

The monitoring module 8 comprises a PH online detector 21 and an ultrasonic liquid level meter 22 which are arranged inside the MBR membrane tank 2.

The control ends of the switch valve A42, the switch valve B313, the switch valve C314, the switch valve D51, the water outlet control valve 311, the suction pump 312 and the dosing control valve 43 are all electrically connected with the PLC 7.

The working principle of the utility model is as follows: when the device is used, data of real-time detection of the PH on-line detector and the ultrasonic level meter are transmitted to the PLC, the PLC calculates the required dosage according to the data of the real-time detection of the PH on-line detector and the ultrasonic level meter, when the required dosage is small, the switch valve A is controlled, the medicine adding control valve is controlled, the switch valve B is opened, other valves are closed, the liquid medicine is slowly added into the water outlet pipe through the drip cup and finally enters the interior of the MBR membrane module, when the required liquid medicine is large in quantity, the flow of the liquid medicine dripped by the drip cup cannot be met sufficiently, the switch valve B is closed at the moment, the switch valve C and the switch valve D are opened, the suction pump is opened simultaneously, the flow of the liquid medicine is accelerated by the suction pump, and a worker can send an instruction to the PLC in a long distance to realize the remote control of the device.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a MBR membrane cisterna off-line automatic reagent feeding device which characterized in that: the device comprises a dosing tank arranged above an MBR membrane tank and used for storing liquid medicine, wherein a liquid outlet of the dosing tank is connected with a liquid medicine discharge pipe, a membrane bioreactor arranged inside the MBR membrane tank is connected with a water outlet pipe, the water outlet pipe extends out of the membrane tank and is connected with the liquid medicine discharge pipe, a suction pump and a water outlet control valve are sequentially arranged on a pipe body at the tail part of the water outlet pipe from left to right, the pipe body of the water outlet pipe, which is positioned between the suction pump and the water outlet control valve, is connected with a liquid medicine through pipe, the other end of the liquid medicine through pipe is connected to the left side of a connection port of the liquid medicine discharge pipe and the water outlet pipe, a switch valve A is arranged on the pipe body of the liquid medicine discharge pipe, which is close to the dosing tank, a drip cup and a dosing control valve are sequentially connected from top to bottom with the pipe body of the liquid medicine discharge pipe, a switch valve B is arranged on the pipe body of the water outlet pipe, which is positioned between the connection end of the liquid medicine discharge pipe and the water outlet pipe, and the right side of the liquid medicine discharge pipe is connected with a switch valve C, set up a ooff valve D on the body that liquid medicine siphunculus both ends are close to the outlet pipe respectively, be equipped with monitoring module in the MBR membrane cisterna, monitoring module electric connection PLC programmable controller, PLC programmable controller passes through internet signal connection remote control end.

2. The MBR membrane tank off-line automatic dosing device of claim 1, which is characterized in that: the dosing tank is connected with a stirring device used for improving the mixing uniformity of the liquid medicine.

3. The MBR membrane tank off-line automatic dosing device of claim 1, which is characterized in that: the monitoring module comprises a PH on-line detector and an ultrasonic liquid level meter which are arranged inside the MBR membrane pool.

4. The MBR membrane tank off-line automatic dosing device of claim 1, which is characterized in that: and the control ends of the switch valve A, the switch valve B, the switch valve C, the switch valve D, the water outlet control valve, the suction pump and the dosing control valve are electrically connected with the PLC.