CN212283577U - Immersed ultrafiltration membrane water purification system - Google Patents

Abstract

The utility model provides an submergence formula milipore filter water purification system. This submergence formula milipore filter water purification system, including the membrane cisterna, be equipped with the filter membrane support in the membrane cisterna, install a plurality of curtain formula milipore filter membrane element on the filter membrane support, be connected with the collecting pipe that is used for collecting each milipore filter component drainage between a plurality of milipore filter membrane element, be equipped with the inlet tube on the membrane cisterna, blow-down pipe, water pipe and trachea communicate with the collecting pipe respectively, still include the backwash water pump, air-blower and vacuum pump, the play water end of backwash water pump passes through three way connection and water piping connection, the end of intaking of backwash water pump is connected with the backwash water tank, the air-out end and the trachea of air-blower are connected, be equipped with the oral siphon. The utility model discloses can carry out air water to the milipore filter when the more impurity of deposit on the milipore filter and wash, detach the impurity of deposit on the milipore filter, maintain better water purification effect.

Description

Immersed ultrafiltration membrane water purification system

Technical Field

The utility model belongs to the technical field of water purification system, especially, relate to an submergence formula milipore filter water purification system.

Background

The ultrafiltration is a water purification treatment technology which takes a hollow fiber membrane with micropores on the tube wall as a filter medium and takes pressure as driving force. The ultrafiltration is to make the water to be treated pass through a hollow fiber membrane at a certain flow rate under the action of external pressure, wherein the micropores of the hollow fiber membrane only allow water molecules and molecules or particles smaller than 0.1 micron to permeate, and impurities in water such as large-size substance molecules or particles larger than the micropores, such as thalli, colloids, particulate matters, organic macromolecules and the like, are intercepted, so that the water is purified.

The immersed ultrafiltration device is an ultrafiltration device suitable for large-scale water purification treatment. The immersed ultrafiltration device is provided with an ultrafiltration membrane pool, the ultrafiltration membrane pool is provided with a water inlet and a sewage outlet, an ultrafiltration membrane element consisting of hollow fiber membranes is arranged in the ultrafiltration membrane pool, the water outlet of the ultrafiltration membrane element is connected with an ultrafiltration water production collecting pipe, the ultrafiltration water production collecting pipe is connected with an ultrafiltration water tank through an ultrafiltration water production pump, an inlet valve is connected between the ultrafiltration water production collecting pipe and the water inlet of the ultrafiltration water production pump, and an outlet valve is connected between the water outlet of the ultrafiltration water production pump and the ultrafiltration water tank.

When the ultrafiltration water pump operates, the negative pressure generated by the inlet of the ultrafiltration water pump enables the treated water in the ultrafiltration membrane tank to be filtered by the hollow fiber membrane of the ultrafiltration membrane element and then become purified water, the purified water is conveyed into the ultrafiltration water tank through the ultrafiltration water collecting pipe, and impurities in the water are intercepted outside the pipe wall of the hollow fiber membrane.

After the immersed ultrafiltration device operates for a certain time, impurities deposited outside the pipe wall of the hollow fiber membrane can increase the filtration resistance, influence the flux of the ultrafiltration membrane element and reduce the water purification effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an submergence formula milipore filter water purification system to there is the poor technical problem of water purification effect because of the impurity deposit in solving current submergence formula milipore filter water purification system.

In order to achieve the above purpose, the utility model discloses an immersion formula milipore filter water purification system adopts's technical scheme is: the immersed ultrafiltration membrane water purification system comprises a membrane tank, wherein a membrane support is arranged in the membrane tank, a plurality of curtain type ultrafiltration membrane elements are installed on the membrane support, a plurality of collecting pipes used for collecting filtered water of each ultrafiltration membrane element are connected between the ultrafiltration membrane elements, a water inlet pipe, an emptying pipe, a water pipe and an air pipe are arranged on the membrane tank, the water pipe and the air pipe are respectively communicated with the collecting pipes, the immersed ultrafiltration membrane water purification system further comprises a backwash water pump, an air blower and a vacuum pump, the water outlet end of the backwash water pump is connected with the water pipe through a tee joint, the water inlet end of the backwash water pump is connected with a backwash water tank, the air outlet end of the air blower is connected with the air pipe, a water inlet pipe is arranged on the backwash water tank, and the vacuum pump is respectively connected with the water.

As a further improvement on the technical scheme, the immersed ultrafiltration membrane water purification system further comprises an equipment box, wherein the vacuum pump, the backwashing water pump and the blower are all installed in the equipment box, and a control box is further arranged in the equipment box.

As a further improvement to the above technical solution, the water pipe includes a first pipe section, a second pipe section connected to a terminal of the first pipe section, and a third pipe section connected to a terminal of the second pipe section, the first pipe section is connected to the membrane tank, the second pipe section is located in the equipment box, an electromagnetic flowmeter for detecting water flow is installed on the second pipe section, a first connection pipe is connected between the second pipe section and the backwash water tank, and the vacuum pump is communicated with the first connection pipe through a pipeline.

As a further improvement to the technical scheme, a second connecting pipe is connected between the water pipe and the emptying pipe, and a stop valve is arranged on the second connecting pipe.

As a further improvement of the technical scheme, the membrane tank is further provided with an overflow pipe, the connecting position of the overflow pipe and the membrane tank and the connecting position of the water inlet pipe and the membrane tank are located at the same height, and the overflow pipe is communicated with the emptying pipe.

As a further improvement to the technical scheme, the immersed ultrafiltration membrane water purification system further comprises a mounting frame, and the membrane pool is mounted on the mounting frame.

As a further improvement to the technical scheme, an overflow pipe and a discharge pipe are arranged on the backwashing water tank, the connecting position of the overflow pipe and the backwashing water tank and the connecting position of the first connecting pipe and the backwashing water tank are located at the same height, and the discharge pipe is communicated with the overflow pipe.

The utility model has the advantages that: the utility model discloses an submergence formula milipore filter water purification system when normally filtering, source water gets into the membrane cisterna from the inlet tube, and the vacuum pump is taken away the air in the water pipe, utilizes the discrepancy in elevation to form the siphon effect, and the water in the membrane cisterna flows in the milipore filter inboard from the milipore filter outside to lead to pipe outflow, reach and filter the water purification purpose. When using to carry out the backwash after a period of time, open the backwash water pump, the clear water is got into to the water pipe through the backwash water pump by the backwash water tank, inside water in the water pipe gets into the milipore filter, open the air-blower simultaneously, the air-blower is squeezed into outside the milipore filter with the air from the trachea, make the milipore filter take place the vibration, carry out rinse thoroughly to the milipore filter under the combined action of water and gas, open the blow-down pipe on the membrane cisterna simultaneously with this, water from the inside inflow membrane cisterna of milipore filter flows from the blow-down pipe, reach the abluent purpose of mili. The utility model discloses an submergence formula milipore filter water purification system can carry out the air water to the milipore filter when the more impurity of deposit on the milipore filter and wash, detach the impurity of deposit on the milipore filter, maintains better water purification effect.

Drawings

Fig. 1 is a schematic structural diagram of an immersion type ultrafiltration membrane water purification system of the present invention;

FIG. 2 is a schematic structural diagram of an immersed ultrafiltration membrane water purification system (without an equipment box) according to the present invention;

FIG. 3 is a schematic diagram of the internal structure of a membrane tank in the submerged ultrafiltration membrane water purification system of the present invention;

FIG. 4 is a schematic view of a part of the structure of the submerged ultrafiltration membrane water purification system of the present invention;

fig. 5 is a schematic structural diagram of the inside of an equipment box in the immersed ultrafiltration membrane water purification system of the present invention.

In the figure: 1. a mounting frame; 2. a membrane tank; 3. a water inlet pipe; 4. an emptying pipe; 5. an overflow pipe; 6. an overhaul ladder; 7. a water pipe; 8. an air tube; 9. an equipment box; 10. a backwash water tank; 11. a filter membrane support; 12. an ultrafiltration membrane element; 13. a collection pipe; 14. a control box; 15. backwashing the water pump; 16. a blower; 17. a vacuum pump; 18. a first connecting pipe; 19. an overflow pipe; 20. a bleeder tube; 21. an electromagnetic flow meter; 22. a second connecting pipe.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The utility model discloses a specific embodiment of submergence formula milipore filter water purification system, as shown in fig. 1 to 5, including mounting bracket 1, membrane tank 2, equipment box 9 and backwash water tank 10.

Wherein, mounting bracket 1 includes the backup pad and installs the landing leg in backup pad downside four corners department, and the welding has the strengthening rib between two adjacent landing legs. 2 fixed connection in membrane pond in the backup pad, membrane pond 2 are the rectangle box, and the opening with inside intercommunication is seted up to the upper end in membrane pond 2, installs sealed lid on the opening, and one side fixedly connected with maintenance ladder 6 in membrane pond 2 to in the maintenance personal reach 2 tops in membrane pond and overhaul membrane pond 2.

In this embodiment, the membrane tank 2 is provided with a filter membrane holder 11 therein, the filter membrane holder 11 is a rectangular frame structure, and the filter membrane holder 11 is fixedly connected to the bottom of the membrane tank 2. The filter membrane bracket 11 is provided with a plurality of curtain type ultrafiltration membrane elements 12, and a collecting pipe 13 for collecting filtered water of each ultrafiltration membrane element 12 is connected between the curtain type ultrafiltration membrane elements 12.

In this embodiment, install inlet tube 3 and overflow pipe 5 on the side of membrane pond 2, inlet tube 3 and overflow pipe 5 are located same height with the fixed position of membrane pond 2, install blow-down pipe 4 on the bottom surface of membrane pond 2, and the one end that membrane pond 2 was kept away from to blow-down pipe 4 is linked together with the one end that membrane pond 2 was kept away from to overflow pipe 5. Trachea 8 and water pipe 7 downwardly extending to the membrane pond 2 outside, are connected with second connecting pipe 22 between water pipe 7 and the blow-down pipe 4, install the stop valve on the second connecting pipe 22.

In this embodiment, a control box 14, a backwash water pump 15, an air blower 16 and a vacuum pump 17 are installed in the equipment box 9, wherein a water inlet end of the backwash water pump 15 is connected with a water inlet pipe 3, and a water outlet end is connected with a water outlet pipe 7. The water pipe 7 comprises a first pipe section, a second pipe section connected to the tail end of the first pipe section and a third pipe section connected to the tail end of the second pipe section, the first pipe section is connected with the membrane pool 2, the second pipe section is located in the equipment box 9, an electromagnetic flowmeter 21 used for detecting water flow is installed on the second pipe section, and the third pipe section is used for being connected with an external clean water pool. The water outlet pipe 7 is connected with the second pipe section through a tee joint. The water inlet pipe 3 extends outwards to the outside of the equipment box 9 and is communicated with the backwashing water tank 10. The support that is used for fixed air-blower 16 is fixed to be installed in equipment box 9, fixedly connected with air outlet pipeline on air outlet of air-blower 16, and air outlet pipeline is outwards stretched out to the equipment box 9 outside, and communicates with trachea 8.

In this embodiment, the second pipe section is connected with a first connection pipe 18, the first connection pipe 18 extends outward to the outside of the equipment box 9 and is communicated with the backwash water tank 10, and the vacuum pump 17 is connected with the first connection pipe 18 through a pipeline.

In this embodiment, the first connection pipe 18 is connected to the upper end of the backwash water tank 10, and the third pipe section is connected to the lower end of the backwash water tank 10. The lower side of the backwashing water tank 10 is also connected with a drain pipe 20, the upper side is connected with an overflow pipe 19, the drain pipe 20 is communicated with the overflow pipe 19, and the emptying pipe 4 is connected with a stop valve.

The utility model discloses an submergence formula milipore filter water purification system when normally filtering, water source water gets into membrane cisterna 2 from inlet tube 3, and vacuum pump 17 takes away the air in water pipe 7, utilizes the discrepancy in elevation to form the siphon effect, and the water in membrane cisterna 2 flows into the milipore filter inboard from the milipore filter outside to lead to pipe 7 and flow out, reach and filter the water purification purpose. When using to carry out the backwash after a period of time, open backwash water pump 15, clear water enters into water pipe 7 through backwash water pump 15 by backwash water tank 10, inside water in the water pipe 7 enters into the milipore filter, open air-blower 16 simultaneously, air-blower 16 squeezes the air into outside the milipore filter from trachea 8, make the milipore filter vibrate, carry out the rinse thoroughly to the milipore filter under the combined action of water and gas, meanwhile open blow-down pipe 4 on the membrane cisterna 2, water from the inside inflow membrane cisterna 2 of milipore filter flows from blow-down pipe 4, reach the abluent purpose of milipore filter. The utility model discloses an submergence formula milipore filter water purification system can carry out the air water to the milipore filter when the more impurity of deposit on the milipore filter and wash, detach the impurity of deposit on the milipore filter, maintains better water purification effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides an submergence formula milipore filter water purification system which characterized in that: the submerged ultrafiltration membrane water purification system comprises a membrane tank, wherein a filter membrane support is arranged in the membrane tank, a plurality of curtain type ultrafiltration membrane elements and a plurality of collecting pipes used for collecting filtered water of each ultrafiltration membrane element are connected between the ultrafiltration membrane elements, a water inlet pipe, an emptying pipe, a water pipe and a gas pipe are arranged on the membrane tank, the water pipe and the gas pipe are respectively communicated with the collecting pipes, the submerged ultrafiltration membrane water purification system further comprises a backwash water pump, an air blower and a vacuum pump, the water outlet end of the backwash water pump is connected with a water pipe through a three-way joint, the water inlet end of the backwash water pump is connected with a backwash water tank, the air outlet end of the air blower is connected with the gas pipe, a water inlet pipe is arranged on the backwash water tank, and the vacuum pump is respectively.

2. The submerged ultrafiltration membrane water purification system of claim 1, wherein: the immersed ultrafiltration membrane water purification system further comprises an equipment box, wherein the vacuum pump, the backwashing water pump and the air blower are all installed in the equipment box, and a control box is further arranged in the equipment box.

3. The submerged ultrafiltration membrane water purification system of claim 2, wherein: the water pipe comprises a first pipe section, a second pipe section connected to the tail end of the first pipe section and a third pipe section connected to the tail end of the second pipe section, the first pipe section is connected with the membrane pool, the second pipe section is located in the equipment box, an electromagnetic flowmeter used for detecting water flow is installed on the second pipe section, a first connecting pipe is connected between the second pipe section and the backwashing water tank, and the vacuum pump is communicated with the first connecting pipe through a pipeline.

4. The submerged ultrafiltration membrane water purification system of claim 3, wherein: and a second connecting pipe is connected between the water pipe and the emptying pipe, and a stop valve is arranged on the second connecting pipe.

5. The submerged ultrafiltration membrane water purification system of claim 4, wherein: the membrane tank is also provided with an overflow pipe, the connection position of the overflow pipe and the membrane tank and the connection position of the water inlet pipe and the membrane tank are located at the same height, and the overflow pipe is communicated with the emptying pipe.

6. The submerged ultrafiltration membrane water purification system of claim 5, wherein: the immersed ultrafiltration membrane water purification system further comprises a mounting frame, and the membrane pool is mounted on the mounting frame.

7. The submerged ultrafiltration membrane water purification system of claim 6, wherein: and an overflow pipe and a discharge pipe are arranged on the backwashing water tank, the connecting position of the overflow pipe and the backwashing water tank and the connecting position of the first connecting pipe and the backwashing water tank are positioned at the same height, and the discharge pipe is communicated with the overflow pipe.

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