CN210385518U

CN210385518U - Cleaning and dispensing device for membrane module

Info

Publication number: CN210385518U
Application number: CN201921000736.3U
Authority: CN
Inventors: 陈侃; 陈毅刚; 叶超; 方前逵; 邱翔; 陈士军; 马楫
Original assignee: Suzhou Sujing Environmental Engineering Co ltd
Current assignee: Suzhou Sujing Environmental Engineering Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-24
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a cleaning and dispensing device of membrane module, which has a dosing circulation state and a cleaning water outlet state, and comprises a water tank, a water inlet pipe connected with the inlet of the water tank, a water outlet pipe connected with the outlet of the water tank and the membrane module to be cleaned, a cleaning pump arranged on the water outlet pipe, and a circulation pipe communicated with the outlet of the cleaning pump and the inlet of the water tank, wherein the circulation pipe forms a circulation loop with the water tank and the cleaning pump, and a dosing pipe is communicated between the inlet of the cleaning pump and the outlet of the water tank, because the utility model discloses through adding a dosing port, the medicament and clean water simultaneously enter the cleaning pump and flow back to the cleaning water tank, the dosing and stirring mixing time is reduced, simultaneously, a hose is used for sucking concentrated medicament, the use is convenient and flexible, the hose is connected with the medicament tank, and the cleaning pump directly mixes and lifts the medicament, the direct contact of personnel with the medicament is avoided, and the labor risk is reduced.

Description

Cleaning and dispensing device for membrane module

Technical Field

The utility model relates to a water treatment facilities field, especially a membrane module's washing dispensing device.

Background

Membrane components, such as ultrafiltration, nanofiltration, reverse osmosis and the like, often cause membrane pollution problems such as scaling, bacteria growth and the like after being used for a period of time, and the main means for solving or relieving the problems is on-line chemical cleaning, namely, preparing solutions of acid, alkali, bactericide, special cleaning agent and the like with certain concentrations, pumping the solutions into the membrane components by using a cleaning pump, and soaking, washing and scouring the membrane components so as to recover the performance of the membrane components. This cleaning system generally needs a washing water tank, and disposes cleaning solution in washing water tank, and the configuration process is to throw into the washing water tank through manual work, machinery transportation to adding the medicine platform or using acid and alkali resistant pump with concentrated cleaner, later uses modes misce bene such as mixer, manual stirring back flow backward flow. In the mode, no matter the process of manually or mechanically driving the concentrated chemicals into the cleaning water tank needs to be provided with additional platforms, water pumps and other equipment, the labor consumption in the configuration process is large, personnel often directly contact with the chemicals, and the labor risk is high.

Disclosure of Invention

The utility model aims at providing a safe convenient washing dispensing device of membrane module.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a cleaning and dispensing device of a membrane assembly is provided with a dosing circulation state and a cleaning water outlet state, and comprises a water tank, a water inlet pipe connected with an inlet of the water tank, a water outlet pipe connected with an outlet of the water tank and a membrane assembly to be cleaned, a cleaning pump arranged on the water outlet pipe, and a circulation pipe communicated with an outlet of the cleaning pump and an inlet of the water tank, wherein the circulation pipe, the water tank and the cleaning pump form a circulation loop; when the water tank is in a cleaning water outlet state, the cleaning pump pumps water in the water tank to be discharged from the water outlet pipe.

Preferably, the inlet end of the dosing pipe is connected with a hose.

Preferably, the inlet end and the outlet end of the cleaning pump are respectively provided with a cleaning pump water inlet valve and a cleaning pump water outlet valve.

Further preferably, a check valve is arranged between the outlet of the washing pump and the washing pump water outlet valve.

Preferably, a water tank inlet valve is arranged on the water inlet pipe.

Preferably, the outlet end of the water outlet pipe is provided with a membrane module cleaning valve.

Preferably, a return valve is arranged on the circulating pipe.

Preferably, a dosing valve is arranged on the dosing pipe.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. because the utility model discloses an increase a medicine mouth and realized that medicament and clear water get into the scavenging pump simultaneously and flow back to washing the water tank in, reduced the stirring mixing time that dispenses.

2. The cleaning water pump is used for lifting the medicament to enter the cleaning water tank, so that a medicament feeding platform or an acid and alkali resistant medicament transfer pump of a dispensing system is omitted, and the production cost is reduced.

3. Use the hose to inhale concentrated medicament, convenient to use is nimble, and the hose is connected with the chemical tank, and the scavenging pump directly carries out the medicament and mixes and promote, has avoided personnel direct contact medicament, reduces the work risk.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the above drawings: 1. a water tank; 2. cleaning a water inlet valve of the pump; 3. a dosing valve; 4. a check valve; 5. a water outlet valve of the cleaning pump; 6. a reflux valve; 7. a membrane module cleaning valve; 8. a water tank inlet valve; 9. cleaning the pump; 10. a hose; a. a water inlet pipe; b. a water outlet pipe; c. a circulation pipe; d. a medicine feeding pipe.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

referring to the attached drawing 1, the cleaning and dispensing device of the membrane module has a dosing circulation state and a cleaning water outlet state, and comprises a water tank 1, a water inlet pipe a connected with an inlet of the water tank 1, a water outlet pipe b connected with an outlet of the water tank 1 and a membrane module to be cleaned, a cleaning pump 9 arranged on the water outlet pipe b, and a circulating pipe c communicated with an outlet of the cleaning pump 9 and an inlet of the water tank 1, wherein the circulating pipe c, the water tank 1 and the cleaning pump 9 form a circulation loop, a dosing pipe d is communicated between the inlet of the cleaning pump 9 and the outlet of the water tank 1, and an inlet end of the dosing pipe d is connected with a hose 10.

The inlet end and the outlet end of the cleaning pump 9 are respectively provided with a cleaning pump water inlet valve 2 and a cleaning pump water outlet valve 5, and a check valve 4 is arranged between the outlet of the cleaning pump 9 and the cleaning pump water outlet valve 5.

A water inlet valve 8 of the water tank is arranged on the water inlet pipe a. The outlet end of the water outlet pipe b is provided with a membrane module cleaning valve 7. The circulation pipe c is provided with a return valve 6. The dosing pipe d is provided with a dosing valve 3.

The present embodiment has the following three operating states,

1. and (3) adding water: and (3) closing the membrane component cleaning valve 7 and the dosing valve 3, opening the cleaning pump water inlet valve 2, the cleaning pump water outlet valve 5, the backflow valve 6 and the water tank water inlet valve 8, and allowing clean water to enter the water tank 1 from the water inlet pipe a until the water tank 1 reaches the available liquid level.

2. The dosing circulation state is as follows: the water tank inlet valve 8 and the purge valve 7 are closed, the purge pump inlet valve 2, the purge pump outlet valve 5, and the return valve 6 are opened, and the purge pump 9 is opened at the same time. At the moment, the cleaning pump 9 pumps water in the water tank 1 to flow back from the water tank 1 through the circulating pipe c, the dosing valve 3 is slowly opened, and under the negative pressure action of the cleaning pump 9, the medicament in the liquid medicament tank enters the dosing pipe d along with the hose 10 and enters the water tank 1 after entering the cleaning pump 9 and the circulating pipe c. In the process, the medicine is uniformly mixed with the water flow in the water tank in the pipeline.

3. Cleaning water outlet state: and closing the medicine adding valve 3, the reflux valve 6 and the water inlet valve 8, opening the water inlet valve 2, the water outlet valve 5 and the cleaning valve 7 of the cleaning pump, and simultaneously opening the cleaning pump 9. The liquid medicine prepared in the water tank is output outwards from the membrane module to be cleaned through the water outlet pipe b under the action of the cleaning pump 9 to clean the membrane module.

1. because the utility model discloses an increase a dosing pipe d and realized that medicament and clear water get into scavenging pump 9 simultaneously and flow back to wash water tank 1 in, reduced the stirring mixing time that dispenses.

2. Promote the medicament through scavenging pump 9 and get into and wash water tank 1, saved medicine adding platform or acid and alkali-resistant medicament transfer pump of dispensing system, reduced manufacturing cost.

3. Use hose 10 to inhale concentrated medicament, convenient to use is nimble, and hose 10 is connected with the chemical tank, and scavenging pump 9 directly carries out the medicament and mixes and promote, has avoided personnel direct contact medicament, reduces the work risk.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a membrane module's washing dispensing device, its has adds medicine circulation state and washs the water-out state, and it includes the water tank, connects the inlet tube of the import of water tank, connect the export of water tank and the outlet pipe that needs abluent membrane module, and set up scavenging pump on the outlet pipe, its characterized in that: the cleaning pump is characterized by also comprising a circulating pipe which is communicated with an outlet of the cleaning pump and an inlet of the water tank, the circulating pipe, the water tank and the cleaning pump form a circulating loop, a dosing pipe is communicated between the inlet of the cleaning pump and the outlet of the water tank, and when in a dosing circulating state, the cleaning pump pumps water in the water tank and liquid medicine in the dosing pipe to flow back from the water tank through the circulating pipe; when the water tank is in a cleaning water outlet state, the cleaning pump pumps water in the water tank to be discharged from the water outlet pipe.

2. A cleaning dispensing apparatus for membrane module as claimed in claim 1, wherein: the inlet end of the dosing pipe is connected with a hose.

3. A cleaning dispensing apparatus for membrane module as claimed in claim 1, wherein: and the inlet end and the outlet end of the cleaning pump are respectively provided with a cleaning pump water inlet valve and a cleaning pump water outlet valve.

4. A cleaning dispensing apparatus for membrane module as claimed in claim 3, wherein: and a check valve is arranged between the outlet of the cleaning pump and the water outlet valve of the cleaning pump.

5. A cleaning dispensing apparatus for membrane module as claimed in claim 1, wherein: and a water tank inlet valve is arranged on the water inlet pipe.

6. A cleaning dispensing apparatus for membrane module as claimed in claim 1, wherein: and the outlet end of the water outlet pipe is provided with a membrane module cleaning valve.

7. A cleaning dispensing apparatus for membrane module as claimed in claim 1, wherein: and a return valve is arranged on the circulating pipe.

8. A cleaning dispensing apparatus for membrane module as claimed in claim 1, wherein: the dosing pipe is provided with a dosing valve.