CN216997920U

CN216997920U - Double-membrane water treatment equipment

Info

Publication number: CN216997920U
Application number: CN202220625327.8U
Authority: CN
Inventors: 路传波; 韩彬; 况黎; 王俊; 杨国庆
Original assignee: Cewa Beijing Water Co ltd; Bifei Separation Membrane Dalian Co ltd
Current assignee: Cewa Beijing Water Co ltd; Bifei Separation Membrane Dalian Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-19
Anticipated expiration: 2032-03-21

Abstract

The utility model relates to double-membrane water treatment equipment, which comprises a vertical frame, and a filtering module and a storage module which are arranged in the vertical frame and connected with each other, wherein the filtering module comprises a nanofiltration membrane, an ultrafiltration membrane, a first connecting pipe, a second connecting pipe, a first filter, a first water supply pipe, a first automatic valve, a second water supply pipe and a second automatic valve; the utility model greatly improves the purification effect to avoid adverse effects on human bodies, and has a water storage function to facilitate use.

Description

Double-membrane water treatment equipment

Technical Field

The utility model relates to a double-membrane water treatment device.

Background

The ultrafiltration membrane is a macromolecule semipermeable membrane which can separate macromolecule colloid or suspended particles with certain size from a solution in the ultrafiltration process, and is suitable for removing colloid-grade particles and macromolecules; the existing water treatment equipment only adopts an ultrafiltration membrane to purify water, and can effectively separate out high molecular impurities, but the purified water still has more solutes or ions with low molecular weight, the purification effect is poor, the long-term drinking can cause adverse effects on human bodies, the water storage function is lacked, the use is inconvenient, and the further improvement is waited.

SUMMERY OF THE UTILITY MODEL

In view of the current situation of the prior art, the technical problem to be solved by the present invention is to provide a double-membrane water treatment apparatus which greatly improves the purification effect to avoid adverse effects on human body and has a water storage function to facilitate use.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a double-membrane water treatment device is characterized by comprising a vertical frame, and a filtering module and a storage module which are arranged in the vertical frame and connected with each other, wherein the filtering module comprises a nanofiltration membrane, an ultrafiltration membrane, a first connecting pipe, a second connecting pipe, a first filter, a first water supply pipe, a first automatic valve, a second water supply pipe and a second automatic valve, one end of the first connecting pipe is inserted into a water outlet of the first filter, the nanofiltration membrane and the ultrafiltration membrane are both vertically arranged, one end of the second connecting pipe is inserted into a bottom inner layer water inlet of the nanofiltration membrane, a bottom inner layer water inlet of the ultrafiltration membrane is connected onto the second connecting pipe in parallel, the other end of the first connecting pipe is inserted onto the second connecting pipe and is positioned at the upstream side of the bottom inner layer water inlet of the ultrafiltration membrane, a top outer layer water outlet of the nanofiltration membrane is communicated with a top outer layer water inlet of the ultrafiltration membrane, one end of the first water supply pipe is inserted into the bottom outer layer water outlet of the ultrafiltration membrane, the first automatic valve is arranged on the first water supply pipe, one end of the second water supply pipe is inserted into the bottom outer layer water outlet of the nanofiltration membrane, and the second automatic valve is arranged on the second water supply pipe; the storage module comprises a storage tank, a third connecting pipe, a four-way distribution valve, a second filter and an activated carbon filter; one water outlet of the four-way distribution valve is connected with a water inlet of the storage tank, two ends of the third connecting pipe are respectively connected with one water inlet of the distribution valve and a water outlet of the second filter, a water inlet of the second filter is connected with a water outlet of the activated carbon filter, and a water inlet of the activated carbon filter is connected with the other end of the second water supply pipe.

Preferably, the filter module further comprises a bypass pipe, and both ends of the bypass pipe are inserted into the first water supply pipe and are respectively located at the upstream side and the downstream side of the first automatic valve.

Preferably, the bypass pipe is further connected in series with a first manual valve and a first flow meter, and the first flow meter is arranged on the downstream side of the first manual valve.

Preferably, a second flowmeter is further connected in series to the first connecting pipe.

Preferably, the second water supply pipe is further provided with a second manual valve, and the second manual valve is arranged on the downstream side of the second automatic valve.

Preferably, the first water supply pipe is further provided with a first pressure gauge, and the first pressure gauge is arranged on the upstream side of the upstream insertion position of the bypass pipe.

Preferably, a second pressure gauge is further arranged on the second water supply pipe and arranged between the second automatic valve and the second manual valve.

Compared with the prior art, the utility model has the advantages that: the utility model not only uses the ultrafiltration membrane, but also uses the nanofiltration membrane to further purify the water after the ultrafiltration process so as to effectively separate out low molecular weight solutes or ions, thereby greatly improving the purification effect to avoid adverse effects on human bodies, and has the water storage function by virtue of the storage tank so as to be suitable for outdoor and temporary environmental conditions, thereby being convenient to use.

Drawings

FIG. 1 is a right front side structural view of the present invention;

fig. 2 is a right rear side structural view of the present invention.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.

As shown in fig. 1-2, a double-membrane water treatment device comprises a vertical frame 1, and a filtering module and a storage module which are arranged in the vertical frame 1 and connected with each other, wherein the filtering module comprises a nanofiltration membrane 5, an ultrafiltration membrane 4, a first connecting pipe 12, a second connecting pipe 6, a first filter 13, a first water supply pipe 7, a first automatic valve 10, a second water supply pipe 11 and a second automatic valve 22, one end of the first connecting pipe 12 is inserted into a water outlet of the first filter 13, the nanofiltration membrane 5 and the ultrafiltration membrane 4 are both vertically arranged, one end of the second connecting pipe 6 is inserted into a water inlet at the inner layer at the bottom of the nanofiltration membrane 5, a water inlet at the inner layer at the bottom of the ultrafiltration membrane 4 is connected in parallel with the second connecting pipe 6, the other end of the first connecting pipe 12 is inserted into the second connecting pipe 6 and is positioned at the upstream side of the water inlet at the inner layer at the bottom of the ultrafiltration membrane 4, a water outlet at the outer layer at the top of the nanofiltration membrane 5 is communicated with a water inlet at the outer layer at the top of the ultrafiltration membrane 4, one end of a first water supply pipe 7 is inserted into a bottom outer layer water outlet of the ultrafiltration membrane 4, a first automatic valve 10 is arranged on the first water supply pipe 7, one end of a second water supply pipe 11 is inserted into a bottom outer layer water outlet of the nanofiltration membrane 5, and a second automatic valve 22 is arranged on the second water supply pipe 11; the storage module comprises a storage tank 2, a third connecting pipe 14, a four-way distribution valve 15, a second filter 3 and an activated carbon filter 16; one water outlet of the four-way distribution valve 15 is connected with a water inlet of the storage tank 2, two ends of a third connecting pipe 14 are respectively connected with one water inlet of the distribution valve 15 and a water outlet of the second filter 3, a water inlet of the second filter 3 is connected with a water outlet of an activated carbon filter 16, and a water inlet of the activated carbon filter 16 is connected with the other end of the second water supply pipe 11.

The filter module further comprises a bypass pipe 8, and both ends of the bypass pipe 8 are inserted into the first water feed pipe 7 and are respectively located at the upstream side and the downstream side of the first automatic valve 10.

The bypass pipe 8 is also connected in series with a first manual valve 9 and a first flow meter 19, and the first flow meter 19 is provided on the downstream side of the first manual valve 9.

A second flow meter 18 is also connected in series to the first connecting pipe 12.

The second water supply pipe 11 is further provided with a second manual valve 17, and the second manual valve 17 is provided on the downstream side of the second automatic valve 22.

The first water supply pipe 7 is further provided with a first pressure gauge 20, and the first pressure gauge 20 is arranged on the upstream side of the upstream insertion position of the bypass pipe 8.

The second water supply pipe 11 is further provided with a second pressure gauge 22, and the second pressure gauge 22 is arranged between the second automatic valve 22 and the second manual valve 17.

The working principle is as follows:

raw water is pressed to the area and is inserted into the water inlet of first filter 13 so that raw water is pressed to enter first filter 13 and is filtered, and then particulate matter impurity is separated out and initial filtration water is formed, and then the initial filtration water enters second connecting pipe 6 through first connecting pipe 12, seals the other end of second connecting pipe 6 temporarily so that the initial filtration water simultaneously enters the inner layer of ultrafiltration membrane 4 and nanofiltration membrane 5 to carry out ultrafiltration process and nanofiltration process respectively.

The membrane filtered water after the ultrafiltration process enters the outer layer of the ultrafiltration membrane 4 and further enters the first water supply pipe 7, after the first automatic valve 10 is opened and the second automatic valve 22 is closed, the membrane filtered water in the first water supply pipe 7 is discharged outwards through the other end of the first water supply pipe 7, if the first automatic valve 10 breaks down, the first manual valve 9 is opened and the first automatic valve 10 is closed, the membrane filtered water in the first water supply pipe 7 jumps over the first automatic valve 10 through the bypass pipe 8, and finally is discharged outwards through the other end of the first water supply pipe 7.

The membrane filtered water after the nanofiltration process enters the outer layer of the nanofiltration membrane 5 and further enters the second water supply pipe 11, the second automatic valve 22 and the second manual valve 17 are opened, the first automatic valve 10 is closed, the membrane filtered water in the second water supply pipe 11 sequentially flows through the activated carbon filter 16 and the second filter 3 to be sterilized and finely filtered to form final filtered water, the final filtered water discharged from the second filter 3 finally enters the storage tank 2 through the four-way distribution valve 15 to be stored for subsequent use, the final filtered water in the storage tank 2 can be discharged outwards through the other water outlet of the four-way distribution valve 15, and other liquids can be added into the storage tank 2 through the other water inlet of the four-way distribution valve 15.

After using for a period of time, open the other end of second connecting pipe 6, remain the impurity in milipore filter 4 and receive filter membrane 5 and all can enter into second connecting pipe 6, outwards discharge via the other end of second connecting pipe 6 at last.

The utility model not only uses the ultrafiltration membrane 4, but also uses the nanofiltration membrane 5 to further purify the water after the ultrafiltration process so as to effectively separate low molecular weight solutes or ions, thereby greatly improving the purification effect to avoid adverse effects on human bodies, and has the water storage function by virtue of the storage tank 2 so as to be suitable for outdoor and temporary environmental conditions, thereby being convenient to use.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A double-membrane water treatment device is characterized by comprising a vertical frame, and a filtering module and a storage module which are arranged in the vertical frame and connected with each other, wherein the filtering module comprises a nanofiltration membrane, an ultrafiltration membrane, a first connecting pipe, a second connecting pipe, a first filter, a first water supply pipe, a first automatic valve, a second water supply pipe and a second automatic valve, one end of the first connecting pipe is inserted into a water outlet of the first filter, the nanofiltration membrane and the ultrafiltration membrane are both vertically arranged, one end of the second connecting pipe is inserted into a bottom inner layer water inlet of the nanofiltration membrane, a bottom inner layer water inlet of the ultrafiltration membrane is connected onto the second connecting pipe in parallel, the other end of the first connecting pipe is inserted onto the second connecting pipe and is positioned at the upstream side of the bottom inner layer water inlet of the ultrafiltration membrane, a top outer layer water outlet of the nanofiltration membrane is communicated with a top outer layer water inlet of the ultrafiltration membrane, one end of the first water supply pipe is inserted into the bottom outer layer water outlet of the ultrafiltration membrane, the first automatic valve is arranged on the first water supply pipe, one end of the second water supply pipe is inserted into the bottom outer layer water outlet of the nanofiltration membrane, and the second automatic valve is arranged on the second water supply pipe; the storage module comprises a storage tank, a third connecting pipe, a four-way distribution valve, a second filter and an activated carbon filter; one water outlet of the four-way distribution valve is connected with a water inlet of the storage tank, two ends of the third connecting pipe are respectively connected with one water inlet of the distribution valve and a water outlet of the second filter, a water inlet of the second filter is connected with a water outlet of the activated carbon filter, and a water inlet of the activated carbon filter is connected with the other end of the second water supply pipe.

2. The double-membrane water treatment device according to claim 1, wherein the filtering module further comprises a bypass pipe, and both ends of the bypass pipe are inserted into the first water supply pipe and are respectively located at the upstream side and the downstream side of the first automatic valve.

3. The apparatus of claim 2, wherein the bypass line is further connected in series with a first manual valve and a first flow meter, the first flow meter being disposed downstream of the first manual valve.

4. The apparatus of claim 3, wherein a second flow meter is connected in series to the first connection pipe.

5. The double-membrane water treatment equipment according to claim 4, wherein a second manual valve is further arranged on the second water supply pipe, and the second manual valve is arranged on the downstream side of the second automatic valve.

6. The double-membrane water treatment equipment as claimed in claim 5, wherein a first pressure gauge is further arranged on the first water supply pipe, and the first pressure gauge is arranged on the upstream side of the upstream insertion position of the bypass pipe.

7. The double-membrane water treatment equipment according to claim 6, wherein a second pressure gauge is further arranged on the second water supply pipe, and the second pressure gauge is arranged between the second automatic valve and the second manual valve.