CN217042085U - Reverse osmosis membrane shell and water treatment system - Google Patents

Abstract

The utility model provides a reverse osmosis membrane shell and water treatment system, wherein, reverse osmosis membrane shell includes: the membrane shell comprises a membrane shell body, a water inlet connecting pipe, a water outlet connecting pipe, a water supply pipe, a water drain pipe, a first movable joint and a second movable joint; the membrane shell body comprises a water inlet end and a water outlet end, and the water inlet connecting pipe and the water outlet connecting pipe are respectively arranged at the water inlet end and the water outlet end; the water inlet connecting pipe is connected with the water supply pipe through a first movable joint; the water outlet connecting pipe is connected with the water drain pipe through a second movable joint. This reverse osmosis membrane shell is through setting up first union coupling connecting pipe and delivery pipe of intaking, set up second union coupling water connecting pipe and drain pipe, can promote the joint strength between connecting pipe and the delivery pipe of intaking and between water connecting pipe and the drain pipe by a wide margin, satisfy the water supply operating pressure demand of reverse osmosis technology, can prevent effectively that the junction pine from taking off the water spray, and then avoid electrical equipment's damage, for the continuation of production go on and technical staff's operation safety provides reliable guarantee.

Description

Reverse osmosis membrane shell and water treatment system

Technical Field

The utility model relates to a water treatment technical field especially relates to a reverse osmosis membrane shell and water treatment system.

Background

In the related technology, the reverse osmosis membrane shell water inlet and water outlet of the water treatment system are usually connected in a manner that a quick-assembling chuck is matched and connected with a clamp hoop, and the fastening manner is fastening and crimping by utilizing bolts. However, the maximum bearing pressure of the connection mode is often less than 1.0MPa, and in the reverse osmosis process of water treatment, the water inlet operation pressure of most reverse osmosis membrane shells is required to be 1.0MPa to 2.0MPa, if the connection mode is operated, connection parts are easy to separate, spray water, damage electrical equipment, stop production, cause economic loss to enterprises, and even cause potential safety hazards to technical personnel.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

To this end, the first aspect of the present invention provides a reverse osmosis membrane housing.

A second aspect of the present invention provides a water treatment system.

In view of this, according to a first aspect of embodiments of the present application, there is provided a reverse osmosis membrane casing including: the membrane shell comprises a membrane shell body, a water inlet connecting pipe, a water outlet connecting pipe, a water supply pipe, a water drain pipe, a first movable joint and a second movable joint;

the membrane shell body comprises a water inlet end and a water outlet end, and the water inlet connecting pipe and the water outlet connecting pipe are respectively arranged at the water inlet end and the water outlet end;

the water inlet connecting pipe is connected with the water supply pipe through a first movable joint;

the water outlet connecting pipe is connected with the water drain pipe through a second movable joint.

In one possible embodiment, the first union includes:

one end of the first nut is provided with a first internal thread, and the inner wall of the other end of the first nut is provided with a first check ring;

one end of the first joint is in threaded connection with the first nut, and the other end of the first joint is connected with the water inlet connecting pipe;

the outer wall of one end of the second joint is provided with a first flange, the first flange is used for being clamped and connected with the first check ring, and the other end of the second joint is connected with a water supply pipe;

the second union includes:

one end of the second nut is provided with a second internal thread, and the inner wall of the other end of the second nut is provided with a second retaining ring;

one end of the third joint is in threaded connection with the second nut, and the other end of the third joint is connected with the water outlet connecting pipe;

the fourth connects, and the outer wall of the one end that the fourth connects is provided with the second flange, and the second flange is used for joint in second retainer, and the other end that the fourth connects is connected with the drain pipe.

In one possible embodiment, the water inlet connecting pipe, the water outlet connecting pipe, the water supply pipe and the water discharge pipe are stainless steel pipes.

In one possible embodiment, the inner walls of the water inlet connecting pipe, the water outlet connecting pipe, the water supply pipe and the water discharge pipe are polished walls.

In a possible embodiment, the connection between the water inlet connection pipe and the first joint is welding, and the connection between the water supply pipe and the second joint is welding;

the connection mode of the water outlet connecting pipe and the third joint is welding, and the connection mode of the drain pipe and the fourth joint is welding.

In one possible embodiment, the reverse osmosis membrane housing further comprises:

and a hydraulic pump provided in the water supply pipe.

In one possible embodiment, the reverse osmosis membrane housing further comprises:

the first pressure gauge is arranged on the water supply pipe;

the second manometer sets up in the drain pipe.

In one possible embodiment, the reverse osmosis membrane housing further comprises:

the control device is in signal interaction with the first pressure gauge;

the control device is used for closing the hydraulic pump under the condition that the pressure value measured by the first pressure gauge is larger than a preset pressure value.

In one possible embodiment, the reverse osmosis membrane housing further comprises:

the alarm device is in signal interaction with the control device;

the control device is also used for starting the alarm device under the condition that the pressure value measured by the first pressure gauge is greater than the preset pressure value.

According to a second aspect of embodiments of the present application, there is provided a water treatment system comprising:

a plurality of reverse osmosis membrane housings as set forth in any one of the above first aspects;

the membrane shell bodies of the plurality of reverse osmosis membrane shells are arranged on the support;

the water supply pipes of the plurality of reverse osmosis membrane shells are all connected with the water supply main pipe;

the drain pipes of the plurality of reverse osmosis membrane shells are all connected with the drain main.

Compared with the prior art, the utility model discloses at least, including following beneficial effect: the utility model provides a reverse osmosis membrane shell, include: the membrane shell comprises a membrane shell body, a water inlet connecting pipe, a water outlet connecting pipe, a water supply pipe, a water discharge pipe, a first movable joint and a second movable joint; the membrane shell body comprises a water inlet end and a water outlet end, and the water inlet connecting pipe and the water outlet connecting pipe are respectively arranged at the water inlet end and the water outlet end; the water inlet connecting pipe is connected with the water supply pipe through a first movable joint; the water outlet connecting pipe is connected with the water drain pipe through a second movable joint. Wherein, the water supply pipe is used for supplying water to be treated to the membrane shell body, and the water discharge pipe is used for outputting the treated water; the membrane shell body comprises a water inlet end and a water outlet end, the water inlet end is provided with a water inlet connecting pipe, the water outlet end is provided with a water outlet connecting pipe, water to be treated can enter the interior of the membrane shell body through the water inlet connecting pipe for treatment, and the treated water can be discharged through the water outlet connecting pipe; through setting up first union coupling connecting pipe and delivery pipe of intaking, set up second union coupling water connecting pipe and drain pipe, can promote the joint strength between connecting pipe and the delivery pipe of intaking and between water connecting pipe and the drain pipe by a wide margin, satisfy the water supply operating pressure demand of reverse osmosis process, and in reverse osmosis process, can prevent effectively that connecting pipe and delivery pipe junction and water connecting pipe and the water piping connection department of intaking from taking off the water spray, and then avoid electrical equipment's damage, for the continuation of production go on and technical staff's operation safety provides reliable guarantee.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the exemplary embodiments. The drawings are only for purposes of illustrating exemplary embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural view of a reverse osmosis membrane housing of an embodiment provided herein.

Wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is:

100 a membrane shell body; 200 water inlet connecting pipes; 300 water outlet connecting pipes; 400 water supply pipes; 500 water discharge pipes; 600 a first loose joint; 700 second loose joint.

Detailed Description

Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

According to a first aspect of embodiments of the present application, there is provided a reverse osmosis membrane housing, as shown in fig. 1, comprising: the membrane shell comprises a membrane shell body 100, a water inlet connecting pipe 200, a water outlet connecting pipe 300, a water supply pipe 400, a water discharge pipe 500, a first movable joint 600 and a second movable joint 700; the membrane shell body 100 comprises a water inlet end and a water outlet end, and the water inlet connecting pipe 200 and the water outlet connecting pipe 300 are respectively arranged at the water inlet end and the water outlet end; the water inlet connection pipe 200 and the water supply pipe 400 are connected by a first union 600; the outlet connection pipe 300 and the outlet pipe 500 are connected by a second union 700.

In the reverse osmosis membrane cartridge provided in the first aspect of the embodiment of the present application, the water supply pipe 400 is used to supply water to be treated to the membrane cartridge body 100, and the water discharge pipe 500 is used to output the water treated by the membrane cartridge body 100; the membrane shell body 100 comprises a water inlet end and a water outlet end, the water inlet end is provided with a water inlet connecting pipe 200, the water outlet end is provided with a water outlet connecting pipe 300, water to be treated can enter the membrane shell body 100 through the water inlet connecting pipe 200 to be treated, and the treated water can be discharged through the water outlet connecting pipe 300.

Connect into water connecting pipe 200 and delivery pipe 400 through setting up first union 600, set up second union 700 and connect out water connecting pipe 300 and drain pipe 500, can promote the joint strength between water connecting pipe 200 and the delivery pipe 400 and between play water connecting pipe 300 and the drain pipe 500 by a wide margin, satisfy the water supply operating pressure demand of reverse osmosis process, in reverse osmosis process, can prevent effectively that into water connecting pipe 200 and delivery pipe 400 junction and play water connecting pipe 300 and drain pipe 500 junction pine from taking off the water spray, and then avoid the damage of the electrical equipment who causes from this, for the continuation of production and technical staff's operation safety provides reliable guarantee.

In some possible examples, the first and second movable joints 600 and 700 are sanitary movable joints made of 304 stainless steel or 316 stainless steel, so as to further improve the sanitation level of the joint and improve the water treatment effect.

In some examples, first union 600 includes: one end of the first nut is provided with a first internal thread, and the inner wall of the other end of the first nut is provided with a first check ring; one end of the first joint is in threaded connection with the first nut, and the other end of the first joint is connected with the water inlet connecting pipe 200; a first flange is arranged on the outer wall of one end of the second joint and used for being clamped with the first retainer ring, and the other end of the second joint is connected with the water supply pipe 400; second union 700 includes: one end of the second nut is provided with a second internal thread, and the inner wall of the other end of the second nut is provided with a second retaining ring; one end of the third joint is in threaded connection with the second nut, and the other end of the third joint is connected with the water outlet connecting pipe 300; the outer wall of the one end that the fourth connects is provided with the second flange, and the second flange is used for joint in second retainer, and the other end that the fourth connects is connected with drain pipe 500.

One end of a first joint is connected with the water inlet connecting pipe 200, the other end of the first joint is in threaded connection with the first nut, one end of a second joint is connected with the water supply pipe 400, the other end of the second joint is clamped with a first check ring of the first nut through a first flange arranged on the outer wall of the first joint, the first joint and the second joint can be butted on the inner side of the first nut, and then the communication of a water supply channel of the reverse osmosis membrane shell is realized; one end of the third joint is connected with the water outlet connecting pipe 300, the other end of the third joint is in threaded connection with the second nut, one end of the fourth joint is connected with the water outlet pipe 500, the other end of the fourth joint is connected with the second stop ring of the second nut in a clamped mode through the second flange arranged on the outer wall of the second joint, the third joint and the fourth joint can be butted on the inner side of the second nut, and then the reverse osmosis membrane shell water outlet flow path is communicated.

And, when there is the demand that the pipeline was disassembled, can disassemble first joint and second joint through unscrewing first nut to connecting pipe 200 and delivery pipe 400 separation will intake, or disassemble third joint box fourth joint through unscrewing the second nut, with the separation of play water connecting pipe 300 and drain pipe 500, disassemble convenient operation, and then be convenient for carry out the maintenance of pipeline or the change of pipeline.

In some possible examples, a first gasket is disposed between the first retainer ring and the first flange; a second sealing gasket is arranged between the second retainer ring and the second flange; a first waterproof adhesive tape is arranged at the first internal thread; a second waterproof adhesive tape is arranged at the second internal thread.

In some examples, the water inlet connection pipe 200, the water outlet connection pipe 300, the water supply pipe 400, and the water discharge pipe 500 are all stainless steel pipes.

By arranging the water inlet connecting pipe 200, the water outlet connecting pipe 300, the water supply pipe 400 and the water discharge pipe 500 to be stainless steel pipes, on one hand, the structural strength of each pipe can be improved, the pressure resistance and the corrosion resistance are good, the service life of a pipeline can be prolonged, and the use cost of the reverse osmosis membrane shell is reduced; on the other hand, the stainless steel pipe is more healthy and sanitary, and is favorable for ensuring the water treatment effect.

In some possible examples, the inlet connection pipe 200, the outlet connection pipe 300, the water supply pipe 400, and the water discharge pipe 500 are all 304 stainless steel pipes or 316 stainless steel pipes.

In some examples, the inner walls of the water inlet connection pipe 200, the water outlet connection pipe 300, the water supply pipe 400, and the drain pipe 500 are polished walls.

The inner walls of the water inlet connecting pipe 200, the water outlet connecting pipe 300, the water supply pipe 400 and the water discharge pipe 500 are polished walls, so that the inner walls of the pipes have higher surface quality, the environment in the pipes is not beneficial to breeding of microorganisms, the integral bacteriostatic ability and sanitation level of the reverse osmosis membrane shell are improved, and further guarantee is provided for the water treatment effect. Meanwhile, the inner walls of the pipes are polished walls, so that the impurity attachment amount on the inner walls can be reduced in the long-term use process of the reverse osmosis membrane shell, the cleaning and maintenance of the pipes are facilitated, the maintenance period of the pipes can be properly prolonged, and the maintenance cost of the pipes is reduced.

In some possible examples, the inner wall surface roughness of the inlet connection pipe 200, the outlet connection pipe 300, the water supply pipe 400, and the drain pipe 500 is less than or equal to 0.8 μm.

In some feasible examples, the inner walls of the water inlet connection pipe 200, the water outlet connection pipe 300, the water supply pipe 400 and the water discharge pipe 500 are all provided with nano antibacterial coatings, so that the antibacterial performance of each pipe is further improved, the effect of the reverse osmosis process is improved, and further guarantee is provided for improving the effect of water treatment.

In some examples, the water inlet connection pipe 200 is connected to the first joint by welding, and the water supply pipe 400 is connected to the second joint by welding; the connection between the water outlet connection pipe 300 and the third joint is welded, and the connection between the water discharge pipe 500 and the fourth joint is welded.

Through setting up into water connecting pipe 200 and first joint, delivery pipe 400 and second joint, go out water connecting pipe 300 and third joint, drain pipe 500 and fourth and connect between the connected mode be the welding, can further promote the joint strength of corresponding junction, reduce the junction and take place the possibility that the pine takes off, the water spray, promote the overall reliability and the security of reverse osmosis membrane shell, be favorable to guaranteeing the continuous operation of production line.

In some possible examples, the welding seams between the water inlet connection pipe 200 and the first joint, between the water supply pipe 400 and the second joint, between the water outlet connection pipe 300 and the third joint, and between the water outlet connection pipe 500 and the fourth joint are smooth everywhere, so that no dead angle is formed at each welding joint, the growth of microorganisms at the welding joint is further prevented, the adhesion of impurities at the welding joint is reduced, the overall sanitation level of the reverse osmosis membrane shell is improved, and the cleaning difficulty of a pipeline is reduced.

In some possible examples, first union 600 and second union 700 are both sanitary female unions provided with female sockets to facilitate the welding between the unions and the pipes to be connected.

In some examples, the reverse osmosis membrane housing further comprises: and a hydraulic pump installed at the water supply pipe 400.

Through setting up the hydraulic pump at delivery pipe 400, can utilize the hydraulic pump to promote the water pressure in the delivery pipe 400 to on the one hand can promote the interior pending water of delivery pipe 400 to flow to membrane shell body 100, improve reverse osmosis process's execution efficiency, on the other hand can also set up the output pressure of hydraulic pump according to reverse osmosis process's water supply operating pressure demand, in order to guarantee going on smoothly of reverse osmosis process.

In some examples, the reverse osmosis membrane housing further comprises: a first pressure gauge provided at the water supply pipe 400; and a second pressure gauge disposed in the drain pipe 500.

Through set up first manometer and second manometer respectively on delivery pipe 400 and drain pipe 500, can utilize first manometer and second manometer to measure the water pressure in delivery pipe 400 and the play water pipe respectively to be convenient for the operating conditions of technical staff in time understanding the reverse osmosis membrane shell, and can combine the water supply operating pressure demand of reverse osmosis process, adjust for the operating parameter of hydraulic pump and provide the reference, be favorable to guaranteeing the normal operating of reverse osmosis membrane shell.

In some possible examples, the first pressure gauge and the second pressure gauge are digital display pressure gauges, thereby further facilitating pressure reading.

In some examples, the reverse osmosis membrane housing further comprises: the control device is in signal interaction with the first pressure gauge; the control device is used for closing the hydraulic pump under the condition that the pressure value measured by the first pressure gauge is larger than a preset pressure value.

Can carry out the signal interaction between controlling means and the first manometer, controlling means can the pressure value in the delivery pipe 400 that first manometer measured, and, controlling means is used for the pressure value that measures at first manometer is greater than under the condition of predetermineeing the pressure value, the control hydraulic pump is closed, in order to avoid the too big connection failure that leads to first union 600 or second union 700 of water pressure, cause the junction pine to take off, the water spray, and then can improve the operating stability and the reliability of reverse osmosis membrane shell.

It should be noted that the preset pressure value may be set according to the connection strength between the water inlet connection pipe 200 and the water supply pipe 400 and between the water outlet connection pipe 300 and the water discharge pipe 500, and in combination with the water supply operation pressure of the reverse osmosis process.

It can be understood that, under the condition that the reverse osmosis membrane housing normally operates, the pressure in the water supply pipe 400 is relatively stable, if the hydraulic pump is out of control or the pipeline is blocked, the pressure in the water pipe may be excessively increased, and in this case, the hydraulic pump is turned off to stop further water supply to the membrane housing body 100, so that the pipeline pressure can be relieved, the risk of equipment damage can be reduced, and time is won for the technicians to overhaul.

Illustratively, the water inlet connection pipe 200 and the water supply pipe 400 and the water outlet connection pipe 300 and the water discharge pipe 500 are respectively connected by a first movable joint 600 and a second movable joint 700, the connection strength of the movable joints is usually above 2.0MPa, and the water supply operation pressure of the reverse osmosis process is usually between 1.0MPa and 2.0MPa, so that the preset pressure value can be set to be greater than or equal to 2.0MPa and less than or equal to 2.5MPa, and the specific value can be further set according to the requirement on the connection reliability.

In some examples, the reverse osmosis membrane housing further comprises: the alarm device is in signal interaction with the control device; the control device is also used for starting the alarm device under the condition that the pressure value measured by the first pressure gauge is greater than the preset pressure value.

Under the condition that the pressure value that first manometer surveyed is greater than preset pressure value, it is too high to explain the water pressure in the delivery pipe 400, brings the potential safety hazard for first union 600 and second union 700 easily, and under this condition, controlling means still can be used to open alarm device to make alarm device send warning information, remind the technical staff to inspect corresponding equipment, and then improve the whole security and the reliability of reverse osmosis membrane shell.

In some possible examples, the alarm device includes at least one of a buzzer and a warning lamp, so that in case of an excessive pressure value, the buzzer can be used to send out acoustic warning information, or the warning lamp can be used to send out optical warning information, so that a technician can receive a corresponding prompt. When the alarm lamp is provided with the buzzer and the alarm lamp, acoustic and optical alarm information can be sent out simultaneously, and the alarm effect is further improved.

According to a second aspect of embodiments herein there is provided a water treatment system comprising: a plurality of reverse osmosis membrane housings as set forth in any one of the above first aspects; a bracket on which the membrane housing bodies 100 of the plurality of reverse osmosis membrane housings are disposed; a water supply main to which the water supply pipes 400 of the plurality of reverse osmosis membrane housings are connected; the drain pipes 500 of the plurality of reverse osmosis membrane shells are all connected with the drain main.

In a second aspect of embodiments of the present application there is provided a water treatment system comprising a plurality of reverse osmosis membrane housings as set forth in any one of the above first aspects, a support, a water supply header and a water discharge header; wherein, the support provides the mounted position for a plurality of reverse osmosis membrane shells, strengthens the installation stability of reverse osmosis membrane shell, and delivery pipe 400 and drain pipe 500 of a plurality of reverse osmosis membrane shells are connected to on water main and the drainage house steward respectively to realize concentrated water supply and drainage respectively through water main and drainage house steward, improve water treatment efficiency. In addition, since the reverse osmosis membrane shell included in the water treatment system is provided by any one of the first aspect, all the advantages of the first aspect are achieved, and are not described herein again.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are used broadly and should be construed to include, for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A reverse osmosis membrane housing, comprising: the membrane shell comprises a membrane shell body, a water inlet connecting pipe, a water outlet connecting pipe, a water supply pipe, a water drain pipe, a first movable joint and a second movable joint;

the membrane shell body comprises a water inlet end and a water outlet end, and the water inlet connecting pipe and the water outlet connecting pipe are respectively arranged at the water inlet end and the water outlet end;

the water inlet connecting pipe is connected with the water supply pipe through the first movable joint;

the water outlet connecting pipe and the water drain pipe are connected through the second movable joint.

2. The reverse osmosis membrane shell of claim 1,

the first union includes:

the first nut is provided with a first internal thread at one end and a first check ring at the inner wall at the other end;

one end of the first joint is in threaded connection with the first nut;

the outer wall of one end of the second joint is provided with a first flange, and the first flange is used for being clamped in the first check ring;

the second union includes:

one end of the second nut is provided with a second internal thread, and the inner wall of the other end of the second nut is provided with a second retaining ring;

one end of the third joint is in threaded connection with the second nut;

and a second flange is arranged on the outer wall of one end of the fourth joint and used for being clamped with the second retaining ring.

3. The RO membrane housing of claim 2,

the water inlet connecting pipe, the water outlet connecting pipe, the water supply pipe and the water discharge pipe are all stainless steel pipes.

4. The RO membrane housing of claim 3,

the inner walls of the water inlet connecting pipe, the water outlet connecting pipe, the water supply pipe and the water discharge pipe are polished walls.

5. The reverse osmosis membrane shell of claim 4,

the connection mode of the water inlet connecting pipe and the first movable joint is welding, and the connection mode of the water supply pipe and the first movable joint is welding;

the connection mode of the water outlet connection pipe and the second movable joint is welding, and the connection mode of the drain pipe and the second movable joint is welding.

6. The reverse osmosis membrane shell of any one of claims 1-5, further comprising:

and a hydraulic pump disposed in the water supply pipe.

7. The reverse osmosis membrane shell of claim 6, further comprising:

the first pressure gauge is arranged on the water supply pipe;

the second pressure gauge is arranged on the drain pipe.

8. The reverse osmosis membrane shell of claim 7, further comprising:

the control device is in signal interaction with the first pressure gauge;

the control device is used for closing the hydraulic pump under the condition that the pressure value measured by the first pressure gauge is larger than a preset pressure value.

9. The reverse osmosis membrane shell of claim 8, further comprising:

an alarm device in signal communication with the control device;

the control device is further used for starting the alarm device under the condition that the pressure value measured by the first pressure gauge is larger than the preset pressure value.

10. A water treatment system, comprising:

a plurality of reverse osmosis membrane shells of any one of claims 1 to 9;

the membrane shell bodies of the plurality of reverse osmosis membrane shells are arranged on the bracket;

the water supply pipes of the plurality of reverse osmosis membrane shells are all connected with the water supply main pipe;

and the drain pipes of the reverse osmosis membrane shells are all connected with the drain main pipe.

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