CN211920976U

CN211920976U - High-precision multilayer ultrafiltration device

Info

Publication number: CN211920976U
Application number: CN201922106514.6U
Authority: CN
Inventors: 蒋文韬; 蒋建军; 顾胤浩
Original assignee: Jiangsu Jiangtong Technology Environmental Protection Co ltd
Current assignee: Jiangsu Jiangtong Technology Environmental Protection Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-11-13
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a high-precision multilayer ultrafiltration device, which mainly comprises a box body, wherein a plurality of layers of inclined ultrafiltration membranes are arranged in the box body from top to bottom, the upper side wall of one higher side of each layer of ultrafiltration membrane is provided with a water inlet pipe and a washing nozzle, a water distribution plate is arranged below the water inlet pipe, the washing nozzle is positioned below the water distribution plate, the water inlet pipe is connected with a water inlet header pipe, and a water inlet valve is arranged on the water inlet pipe; the side wall of the upper part of the lower side of each layer of ultrafiltration membrane is provided with a concentrated water drainage branch pipe, the concentrated water drainage branch pipe is connected with a concentrated water drainage main pipe, and the concentrated water drainage main pipe is communicated with a concentrated water tank on one side of the box body; the device has the advantages of small occupied area, high filtering precision, uniform water distribution, timely discharge of concentrated water and convenience in washing and replacing the ultrafiltration membrane.

Description

High-precision multilayer ultrafiltration device

Technical Field

The utility model relates to a sewage treatment field especially relates to a high accuracy multilayer ultrafiltration device.

Background

Ultrafiltration is one of membrane separation techniques using pressure as a driving force, and aims to separate macromolecules from small molecules, and the pore diameter of the membrane is between 20 and 1000A degrees.

In the ultrafiltration process, the aqueous solution flows through the membrane surface under the push of pressure, the solvent (water) and the small-molecule solute permeable membrane which are smaller than the membrane pores become purified liquid (filtrate), and the solute and solute groups which are larger than the membrane pores are intercepted and discharged with the water flow to become concentrated liquid. The ultrafiltration process is dynamic filtration and the separation is accomplished in a flow regime. The solute is only deposited limitedly on the membrane surface, the ultrafiltration rate is attenuated to a certain extent to be balanced, and can be recovered by washing.

The ultrafiltration device on the market at present is sealed in the barrel and can not replace the ultrafiltration membrane, or is used in a curtain type of large-scale sewage treatment equipment and can not be used in a small-scale environment.

Chinese patent CN208684486U discloses a novel ultrafiltration device, including the ultrafiltration device body, the upper end of ultrafiltration device body is provided with the water inlet, and the front surface mounting of ultrafiltration device body has control switch, the inboard of water inlet is provided with the filter funnel, control switch's below is provided with the drain pipe, the mid-mounting of drain pipe has the valve, the inside of ultrafiltration device body is provided with the ultrafiltration and takes out the case, the inner wall of ultrafiltration device body is provided with the spout. This patent utilizes the principle of drawer to set up the milipore filter, is convenient for change, also has certain defect simultaneously:

firstly, the method comprises the following steps: the sewage is filtered by an ultrafiltration membrane only once, and the filtering precision is not high; secondly, the method comprises the following steps: utilize first filtration sponge to come the water distribution, have certain problem, the sponge absorbs water, and thick water and impurity can't be discharged after sewage filters, are adsorbed in the sponge, influence follow-up filtration, and the milipore filter must take out the washing in addition, and is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's defect, providing a area is little, and filter fineness is high, and the water distribution is even, can in time discharge dense water, can conveniently wash a high accuracy multilayer ultrafiltration device who changes the milipore filter.

In order to realize the purpose of the utility model, the technical proposal of the utility model is that:

a high-precision multilayer ultrafiltration device mainly comprises a box body, wherein a plurality of layers of inclined ultrafiltration membranes are arranged in the box body from top to bottom, a water inlet pipe and a flushing nozzle are arranged on the upper side wall of the higher side of each layer of ultrafiltration membrane, a water distribution plate is arranged below the water inlet pipe, the flushing nozzle is positioned below the water distribution plate, the water inlet pipe is connected with a water inlet header pipe, and a water inlet valve is arranged on the water inlet pipe; the side wall of the upper part of the lower side of each layer of ultrafiltration membrane is provided with a concentrated water drainage branch pipe, the concentrated water drainage branch pipe is connected with a concentrated water drainage main pipe, and the concentrated water drainage main pipe is communicated with a concentrated water tank on one side of the box body; the flushing nozzle is connected with the flushing header pipe through the flushing branch pipe, the flushing header pipe is communicated with the dispensing tank on the other side of the tank body, a water outlet pipe and a backflow pipe are arranged at the bottom of the tank body, and the backflow pipe is connected with the dispensing tank.

Preferably, the ultrafiltration membrane is at least provided with three layers, and the inclination angle of the ultrafiltration membrane is 10-15 degrees.

Preferably, the flushing branch pipe is provided with a flushing valve, and the flushing manifold is provided with a flushing pump.

Preferably, a suction pump is arranged on the concentrated water drainage manifold.

Preferably, the ultrafiltration membrane is of a pull type and comprises an ultrafiltration membrane and a frame arranged on the periphery of the ultrafiltration membrane, a cover plate is arranged on one side of the frame, the frame penetrates through a notch in the side wall of the box body and is clamped into a clamping groove in the side wall of the box body, and the notch is sealed by the cover plate.

Preferably, the upper surface of the water distribution plate is provided with a plurality of drainage grooves which are arranged in a splayed shape along the sewage flowing direction by taking the center of the water distribution plate as a symmetrical shaft.

The utility model has the advantages that:

firstly, the method comprises the following steps: the multi-layer filtration can be realized by utilizing the ultrafiltration membranes arranged in multiple layers, and the sewage is filtered layer by layer to ensure the filtration precision;

secondly, the method comprises the following steps: the device has small floor area and flexible structure, when the first layer of ultrafiltration membrane can not be used, sewage can enter from the water inlet pipe of the second layer of ultrafiltration membrane, and the treatment flow is not influenced;

thirdly, the method comprises the following steps: the concentrated water drainage branch pipe is arranged, so that concentrated water can be discharged in time without influencing subsequent treatment;

fourthly: the chemical agent can clean the ultrafiltration membrane by arranging the dispensing tank and the flushing nozzle;

fifth, the method comprises the following steps: the ultrafiltration membrane is convenient to replace.

Drawings

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

Fig. 2 is a schematic structural view of the water distribution plate.

FIG. 3 is a schematic view of the structure of an ultrafiltration membrane sheet.

In the figure: 1 is a box body, 2 is an ultrafiltration membrane, 2.1 is an ultrafiltration membrane, 2.2 is a frame, 2.3 is a cover plate, 3 is a water inlet pipe, 4 is a flushing nozzle, 5 is a water distribution plate, 5.1 is a drainage groove, 6 is a water inlet header pipe, 7 is a water inlet valve, 8 is a concentrated water drainage branch pipe, 9 is a concentrated water drainage header pipe, 10 is a concentrated water tank, 11 is a flushing branch pipe, 12 is a flushing header pipe, 13 is a dispensing tank, 14 is a water outlet pipe, 15 is a return pipe, 16 is a flushing valve, 17 is a flushing pump, and 18 is a suction pump.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Example 1:

a high-precision multilayer ultrafiltration device mainly comprises a box body 1, wherein a plurality of layers of inclined ultrafiltration membranes 2 are arranged in the box body 1 from top to bottom, a water inlet pipe 3 and a flushing nozzle 4 are arranged on the upper side wall of the higher side of each layer of ultrafiltration membrane 2, a water distribution plate 5 is arranged below the water inlet pipe 3, the flushing nozzle 4 is positioned below the water distribution plate 5, the water inlet pipe 3 is connected with a water inlet header pipe 6, and a water inlet valve 7 is arranged on the water inlet pipe 3; the side wall of the upper part of the lower side of each layer of ultrafiltration membrane 2 is provided with a concentrated water drainage branch pipe 8, the concentrated water drainage branch pipe 8 is connected with a concentrated water drainage main pipe 9, and the concentrated water drainage main pipe 9 is communicated with a concentrated water tank 10 on one side of the box body 1; washing terminals 4 is connected with main wash pipe 12 through washing branch pipe 11, main wash pipe 12 communicates with the dispensing tank 13 of 1 opposite side of box, 1 bottom of box sets up outlet pipe 14 and back flow 15, back flow 15 is connected with dispensing tank 13, and the clear water of straining off can be used for the configuration to wash liquid medicine.

Preferably, the ultrafiltration membrane 2 is provided with at least three layers, and the inclination angle of the ultrafiltration membrane 2 is 10-15 degrees.

Preferably, a flushing valve 16 is arranged on the flushing branch pipe 11, and a flushing pump 17 is arranged on the flushing main pipe 12.

Preferably, a suction pump 18 is arranged on the concentrated water drainage manifold 9.

Preferably, the ultrafiltration membrane 2 is of a pull type (similar to the structure of CN208684486U patent), and includes an ultrafiltration membrane 2.1 and a frame 2.2 disposed around the ultrafiltration membrane 2.1, a cover plate 2.3 is disposed on one side of the frame 2.2, the frame 2.2 penetrates through a notch in the sidewall of the box body 1 and is clamped into a clamping groove in the sidewall of the box body 1, and the cover plate 2.3 seals the notch.

Preferably, the upper surface of the water distribution plate 5 is provided with a plurality of drainage grooves 5.1, and the drainage grooves 5.1 are arranged in a splayed shape along the sewage flowing direction by taking the center of the water distribution plate 5 as a symmetrical shaft.

The working principle of the device is as follows:

sewage gets into box 1 from the inlet tube 3 of the superiors, after the ultrafiltration membrane 2 of the superiors filters, dense water discharges along dense water drainage branch pipe 8, and the filtrate filters through ultrafiltration membrane 2 for the second time once more, analogizes in proper order, therefore the sewage of this device can be through the multilayer filtration, and filter fineness is high, and is effectual.

According to normal flow, the ultrafiltration membrane 2 of the uppermost layer is dirtiest, and when the ultrafiltration membrane 2 of the uppermost layer can not normally work, sewage can enter the box body 1 from the water inlet pipe 3 of the second layer, and the layer by layer is filtered without influencing normal work, and the ultrafiltration membrane 2 of the uppermost layer can be taken out and replaced.

When the ultrafiltration membrane 2 needs to be cleaned, a new round of filtration can be carried out only by opening the flushing pump 17, the flushing valve 16 and the valves on the concentrated water drainage branch pipe, discharging most of flushing liquid into the concentrated water tank 10 after flushing, partially entering the bottom of the tank body 1, and opening the water outlet pipe 14 to discharge accumulated water.

The described embodiments are only some, but not all embodiments of the invention. 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.

Claims

1. The utility model provides a high accuracy multilayer ultrafiltration device, mainly includes the box, its characterized in that: a plurality of layers of inclined ultrafiltration membranes are arranged in the box body from top to bottom, a water inlet pipe and a flushing nozzle are arranged on the upper side wall of the higher side of each layer of ultrafiltration membrane, a water distribution plate is arranged below the water inlet pipe, the flushing nozzle is positioned below the water distribution plate, the water inlet pipe is connected with a water inlet header pipe, and a water inlet valve is arranged on the water inlet pipe; the side wall of the upper part of the lower side of each layer of ultrafiltration membrane is provided with a concentrated water drainage branch pipe, the concentrated water drainage branch pipe is connected with a concentrated water drainage main pipe, and the concentrated water drainage main pipe is communicated with a concentrated water tank on one side of the box body; the flushing nozzle is connected with the flushing header pipe through the flushing branch pipe, the flushing header pipe is communicated with the dispensing tank on the other side of the tank body, a water outlet pipe and a backflow pipe are arranged at the bottom of the tank body, and the backflow pipe is connected with the dispensing tank.

2. A high precision multi-layered ultrafiltration device according to claim 1, wherein: the ultrafiltration membrane is at least provided with three layers, and the inclination angle of the ultrafiltration membrane is 10-15 degrees.

3. A high precision multi-layered ultrafiltration device according to claim 1, wherein: the flushing branch pipe is provided with a flushing valve, and the flushing main pipe is provided with a flushing pump.

4. A high precision multi-layered ultrafiltration device according to claim 1, wherein: and a suction pump is arranged on the concentrated water drainage main pipe.

5. A high precision multi-layered ultrafiltration device according to claim 1 or 2, wherein: the ultrafiltration membrane is the pull formula, including milipore filter and the frame of setting at the milipore filter border, frame one side sets up the apron, the frame passes in the draw-in groove of box lateral wall is gone into to the breach card of box lateral wall, the apron seals the breach.

6. A high precision multi-layered ultrafiltration device according to claim 1, wherein: the upper surface of the water distribution plate is provided with a plurality of drainage grooves which are arranged in a splayed shape along the sewage flowing direction by taking the center of the water distribution plate as a symmetrical shaft.