阅读说明：本技术 一种智能型反渗透多效保护系统 (Intelligent reverse osmosis multiple-effect protection system ) 是由 贾予平 王宁飞 刘玮 王钊 叶洲 谭小华 俞杰 杨泽 潘珺 于 2021-10-19 设计创作，主要内容包括：本发明公开了一种智能型反渗透多效保护系统,包括壳体及控制系统；壳体内通过隔板分隔为上腔体及下腔体,其中,上腔体内设置有大通量精密滤芯,下腔体内设置有紫外灯阵,进水管道的出口与下腔体底部的入口相连通,下腔体的顶部通过隔板上的通孔与大通量精密滤芯的入口相连通,上腔体顶部侧面的出口与反渗透系统相连通,该系统最大程度的降低反渗透膜发生有机、无机及生物污染的几率,延长反渗透膜的使用寿命,降低运行成本。(The invention discloses an intelligent reverse osmosis multi-effect protection system, which comprises a shell and a control system, wherein the shell is provided with a water inlet and a water outlet; the shell is divided into an upper cavity and a lower cavity by a partition plate, wherein a large-flux precise filter element is arranged in the upper cavity, an ultraviolet lamp array is arranged in the lower cavity, an outlet of a water inlet pipeline is communicated with an inlet at the bottom of the lower cavity, the top of the lower cavity is communicated with an inlet of the large-flux precise filter element by a through hole in the partition plate, an outlet on the side surface of the top of the upper cavity is communicated with a reverse osmosis system, the system furthest reduces the probability of organic, inorganic and biological pollution of the reverse osmosis membrane, prolongs the service life of the reverse osmosis membrane and reduces the operation cost.)

1. An intelligent reverse osmosis multi-effect protection system is characterized by comprising a shell (2) and a control system (1);

the shell (2) is internally divided into an upper cavity and a lower cavity by a partition plate (15), wherein the upper cavity is internally provided with a large-flux precise filter element (3), the lower cavity is internally provided with an ultraviolet lamp array (4), an outlet of a water inlet pipeline is communicated with an inlet at the bottom of the lower cavity, the top of the lower cavity is communicated with an inlet of the large-flux precise filter element (3) by a through hole on the partition plate (15), and an outlet on the side surface of the top of the upper cavity is communicated with a reverse osmosis system.

2. An intelligent reverse osmosis multi-effect protection system according to claim 1, wherein a first pressure sensor (5) is arranged in the lower cavity, and a second pressure sensor (6) is arranged in the upper cavity.

3. The intelligent reverse osmosis multi-effect protection system according to claim 1, wherein a top end cap (16) is arranged at the top opening of the upper cavity.

4. The intelligent reverse osmosis multi-effect protection system of claim 1, further comprising a first valve (8), an online SDI meter (7) and a second valve (9); the outlet of the water inlet pipeline is communicated with the inlet of a second valve (9) through a first valve (8) and an online SDI tester (7), and the outlet of the second valve (9) is communicated with the bottom inlet of the lower cavity.

5. The intelligent reverse osmosis multi-effect protection system according to claim 4, further comprising a third valve (10), a fourth valve (11), a fifth valve (12) and a high pressure pump; an outlet on the side surface of the top of the upper cavity is communicated with inlets of a third valve (10) and a fourth valve (11), and an outlet of the fourth valve (11) is communicated with the reverse osmosis system through a fifth valve (12) and a high-pressure pump.

6. The intelligent reverse osmosis multi-effect protection system according to claim 5, further comprising a sixth valve (13) and a seventh valve (14); the inlet of the sixth valve (13) is communicated with the inlet at the bottom of the lower cavity, and the outlet of the compressed air pipeline is communicated with the inlet of the second valve (9) through a seventh valve (14).

7. The intelligent reverse osmosis multi-effect protection system according to claim 6, further comprising a control system (1); the control system (1) is connected with the first pressure sensor (5), the second pressure sensor (6), the ultraviolet lamp array (4), the first valve (8), the second valve (9), the third valve (10), the fourth valve (11), the fifth valve (12), the sixth valve (13) and the seventh valve (14).

8. The intelligent reverse osmosis multi-effect protection system according to claim 7, wherein in operation, after the inlet water flows into the lower cavity of the housing, the inlet water is firstly sterilized and decomposed by the ultraviolet lamp array (4) to remove residual microorganisms and organic matters in the inlet water, then enters the upper cavity, is filtered by the high-flux precision filter element (3) to remove residual suspended particles in the inlet water, and finally is discharged through the upper cavity.

9. The intelligent reverse osmosis multi-effect protection system according to claim 7, wherein in operation, the control system (1) detects the inlet SDI and the inlet-outlet pressure difference of the shell, and when the inlet water quality is deteriorated or the inlet-outlet pressure difference of the shell is too high, the control system automatically adjusts the illumination intensity of the ultraviolet lamp array (4) and performs water vapor backwashing on the high-flux precise filter element (3) while giving an early warning to operating personnel.

Technical Field

The invention belongs to the technical field of water treatment, and relates to an intelligent reverse osmosis multi-effect protection system.

Background

Reverse osmosis is a technology for efficiently separating solute from solvent in a solution under a certain pressure by utilizing the selective interception characteristic of a semipermeable membrane, is widely applied to various industries such as industrial pure water, drinking water, semiconductors, pharmacy and the like, and also begins to be widely applied to the fields of circulating water sewage treatment, reclaimed water treatment, industrial wastewater treatment, seawater desalination and the like in recent years. The reverse osmosis membrane is easy to be polluted by organic, inorganic, biological and other types in the using process, and the membrane performance is seriously damaged, so that the desalination rate and the water production rate of the whole system are reduced, and the service life of the reverse osmosis membrane is also shortened.

Under the general condition, the reverse osmosis front end can design pretreatment systems such as coagulation, clarification, filtration, chlorination, active carbon adsorption, get rid of most suspended solid, colloid, dissolved impurity, organic matter, bacterium and microorganism, avoid reverse osmosis membrane to take place all kinds of pollutions. At the reverse osmosis membrane end of intaking, still designed cartridge filter, further intercepted remaining suspended particles to prevent its fish tail reverse osmosis membrane. However, no matter what kind of design, in the in-service use in-process, can not guarantee thoroughly getting rid of all kinds of pollutants, especially bacterium and microorganism can multiply and multiply in positions such as security filter element and reverse osmosis membrane, form biological slime, lead to filtering element and reverse osmosis membrane performance reduction, life shortens. In addition, when the quality of raw water fluctuates, the performance of front-end pretreatment system equipment is reduced or the dosing control is not proper, the problem that organic matters (TOC) exceed the standard frequently occurs in reverse osmosis inlet water, on one hand, reverse osmosis organic pollution is caused, meanwhile, the organic matters become bacteria and microorganism nutrients, and the reverse osmosis biological pollution degree is further increased.

In order to solve the existing problems, an intelligent reverse osmosis multiple-effect protection system is developed, which integrates multiple-effect functions of filtering suspended matters, sterilizing and degrading organic matters and the like, can completely replace the traditional security filter, establishes a last more comprehensive water quality barrier before reverse osmosis, ensures the efficient operation of the reverse osmosis system, and reduces the operation and membrane use cost.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an intelligent reverse osmosis multiple-effect protection system which can reduce the probability of organic, inorganic and biological pollution of a reverse osmosis membrane to the greatest extent, prolong the service life of the reverse osmosis membrane and reduce the operation cost.

In order to achieve the purpose, the intelligent reverse osmosis multi-effect protection system comprises a shell and a control system;

the shell is divided into an upper cavity and a lower cavity by a partition plate, wherein a high-flux precise filter element is arranged in the upper cavity, an ultraviolet lamp array is arranged in the lower cavity, an outlet of a water inlet pipeline is communicated with an inlet at the bottom of the lower cavity, the top of the lower cavity is communicated with an inlet of the high-flux precise filter element by a through hole in the partition plate, and an outlet on the side surface of the top of the upper cavity is communicated with a reverse osmosis system.

A first pressure sensor is arranged in the lower cavity body, and a second pressure sensor is arranged in the upper cavity body.

The top opening of the upper cavity is provided with a top end cover.

The device also comprises a first valve, an online SDI tester and a second valve; the outlet of the water inlet pipeline is communicated with the inlet of the second valve through the first valve and the online SDI tester, and the outlet of the second valve is communicated with the bottom inlet of the lower cavity.

The device also comprises a third valve, a fourth valve, a fifth valve and a high-pressure pump; the outlet of the side surface of the top of the upper cavity is communicated with the inlets of the third valve and the fourth valve, and the outlet of the fourth valve is communicated with the reverse osmosis system through the fifth valve and the high-pressure pump.

The device also comprises a sixth valve and a seventh valve; the inlet of the sixth valve is communicated with the inlet at the bottom of the lower cavity, and the outlet of the compressed air pipeline is communicated with the inlet of the second valve through the seventh valve.

The system also comprises a control system; the control system is connected with the first pressure sensor, the second pressure sensor, the ultraviolet lamp array, the first valve, the second valve, the third valve, the fourth valve, the fifth valve, the sixth valve and the seventh valve.

During operation, after inlet water flows into the lower cavity of the shell, residual microorganisms and organic matters in the inlet water are killed and decomposed by the ultraviolet lamp array, then the inlet water enters the upper cavity, suspended particles in the inlet water are filtered by the large-flux precision filter element, and finally the inlet water is discharged through the upper cavity.

When the water purifier works, the control system detects the inlet SDI and the inlet-outlet pressure difference of the shell, and when the inlet water quality is deteriorated or the inlet-outlet pressure difference of the shell is too high, the control system can automatically adjust the illumination intensity of the ultraviolet lamp array and carry out water vapor backwashing on the large-flux precise filter element while giving an early warning to operating personnel.

The invention has the following beneficial effects:

in the specific operation of the intelligent reverse osmosis multi-effect protection system, after inlet water flows into the lower cavity of the shell, residual microorganisms and organic matters in the inlet water are killed and decomposed by the ultraviolet lamp array, then the inlet water enters the upper cavity, suspended particles in the inlet water are filtered by the large-flux precision filter element, and finally the suspended particles are discharged through the upper cavity The method has obvious technical advantages in the aspects of configuration flexibility, operation cost and the like, and has extremely strong practicability.

Drawings

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

Wherein, 1 is control system, 2 is the casing, 3 is the accurate filter core of big flux, 4 is ultraviolet lamp battle array, 5 is first pressure sensor, 6 is the second pressure sensor, 7 is online SDI apparatus, 8 is first valve, 9 is the second valve, 10 is the third valve, 11 is the fourth valve, 12 is the fifth valve, 13 is the sixth valve, 14 is the seventh valve, 15 is the baffle, 16 is the top end cover.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.

Referring to fig. 1, the intelligent reverse osmosis multi-effect protection system of the present invention comprises a housing 2 and a control system 1;

the shell 2 is internally divided into an upper cavity and a lower cavity by a partition plate 15, wherein a high-flux precise filter element 3 is arranged in the upper cavity, an ultraviolet lamp array 4 is arranged in the lower cavity, a first pressure sensor 5 is arranged in the lower cavity, a second pressure sensor 6 is arranged in the upper cavity, a top end cover 16 is arranged at the top opening of the upper cavity, the outlet of a water inlet pipeline is communicated with the inlet of a second valve 9 through a first valve 8 and an online SDI tester 7, the outlet of the second valve 9 is communicated with the bottom inlet of the lower cavity, the lower cavity is communicated with the upper cavity through a through hole on the partition plate 15, the outlet of the top side surface of the upper cavity is communicated with the inlets of a third valve 10 and a fourth valve 11, the outlet of the fourth valve 11 is communicated with a reverse osmosis system through a fifth valve 12 and a high-pressure pump, and the inlet of a sixth valve 13 is communicated with the inlet at the bottom of the lower cavity, the outlet of the compressed air conduit communicates with the inlet of the second valve 9 via a seventh valve 14.

The control system 1 is connected with a first pressure sensor 5, a second pressure sensor 6, an ultraviolet lamp array 4, a first valve 8, a second valve 9, a third valve 10, a fourth valve 11, a fifth valve 12, a sixth valve 13 and a seventh valve 14.

The specific working process of the invention is as follows:

1) and (3) opening the ultraviolet lamp array 4, opening the first valve 8, the second valve 9 and the third valve 10, enabling inlet water to flow into the lower cavity, indicating that the shell 2 is full of water when the third valve 10 discharges water, closing the third valve 10, opening the fourth valve 11 and the fifth valve 12, and enabling the multi-effect protection system to start normal operation.

2) The control system 1 continuously tracks data obtained by measurement of the online SDI tester 7, when the data obtained by measurement of the online SDI tester 7 is subjected to mutation, the deterioration of the water quality of inlet water is indicated, the control system 1 sends early warning and problem troubleshooting technical guidance to operators, and meanwhile, the illumination intensity of the ultraviolet lamp array 4 is adjusted to ensure the protection effect on the reverse osmosis membrane.

Meanwhile, the control system 1 calculates the water pressure difference of the inlet and the outlet of the shell 2 according to the data measured by the first pressure sensor 5 and the second pressure sensor 6, obtains the change rule of the rising rate of the water pressure difference of the inlet and the outlet, and estimates the residual service life of the high-flux precise filter element 3 in real time by combining the limit operation pressure difference of the high-flux precise filter element 3;

when the water inlet and outlet pressure difference of the shell 2 reaches a preset backwashing pressure difference set value or the reverse osmosis system is shut down, the first valve 8, the fourth valve 11 and the fifth valve 12 are closed, the seventh valve 14 is opened, the second valve 9 is continuously kept in an opening state, the second valve 9 and the seventh valve 14 are closed after the shell 2 is pressurized to a preset value, the third valve 10 and the sixth valve 13 are opened, the third valve 10 and the sixth valve 13 are closed, and the water vapor backwashing on the high-flux precise filter element 3 is completed; repeating the steps, after finishing the two times of back washing, opening the third valve 10 and the sixth valve 13, and emptying the shell 2;

when the service life of the high-flux precision filter element 3 is reached, the second valve 9 and the fourth valve 11 are closed, the third valve 10 and the sixth valve 13 are opened, the shell 2 is emptied, the top end cover 16 is opened, and the high-flux precision filter element 3 is replaced.

In addition, it should be noted that, when a plurality of housings 2 are designed in the multi-effect protection system, the normal operation of the whole multi-effect protection system is not affected by replacing the filter element inside any one housing 2.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.