阅读说明：本技术 一种专用于反渗透膜测试的系统 (System special for reverse osmosis membrane test ) 是由 任可鹏 张庆龙 秦开桂 于 2019-10-17 设计创作，主要内容包括：本发明公开了一种专用于反渗透膜测试的系统,包括溶盐海水箱、溶盐苦咸水箱、8英寸膜壳和4英寸膜壳,所述溶盐海水箱的出口连接原水增压泵,所述原水增压泵出口分别连接溶盐海水箱的进口和保安滤器,保安滤器连续设置两个,所述保安滤器与原水增压泵的管路上设有压力表和温度计,保安滤器与高压泵之间设有电导率仪和低压保护开关,所述高压冲洗泵的一个分支管路连接至溶盐苦咸水箱的进口,高压冲洗泵的另一个分支管路连接8英寸膜壳和4英寸膜壳。该专用于反渗透膜测试的系统,同时集成了海水膜测试功能和苦咸水膜测试功能,节约投资,且测试跨度可从1只膜到4只膜均可测试,方便客户临时检测单只返厂膜的性能,操作简便快捷。(The invention discloses a system special for testing a reverse osmosis membrane, which comprises a salt dissolving sea water tank, a salt dissolving brackish water tank, an 8-inch membrane shell and a 4-inch membrane shell, wherein an outlet of the salt dissolving sea water tank is connected with a raw water booster pump, an outlet of the raw water booster pump is respectively connected with an inlet of the salt dissolving sea water tank and two safety filters, the two safety filters are continuously arranged, a pressure gauge and a thermometer are arranged on a pipeline of each safety filter and the raw water booster pump, a conductivity meter and a low-pressure protection switch are arranged between each safety filter and a high-pressure pump, one branch pipeline of the high-pressure flushing pump is connected to the inlet of the salt dissolving brackish water tank, and the other branch pipeline of the high-pressure flushing pump is connected. This system of reverse osmosis membrane test has been exclusively used in has integrateed sea water membrane test function and brackish water membrane test function simultaneously, practices thrift the investment, and the test span can all can test from 1 membrane to 4 membranes, makes things convenient for the customer to detect the performance of single membrane of returning the factory temporarily, and is easy and simple to handle swift.)

1. A system special for reverse osmosis membrane test comprises a salt dissolving seawater tank (2), a salt dissolving brackish water tank (14), an 8-inch membrane shell (11) and a 4-inch membrane shell (12), and is characterized in that: the salt dissolving seawater tank (2) is internally provided with a first liquid level meter (1), a second liquid level meter (13) is arranged in the salt dissolving brackish water tank (14), the salt dissolving seawater tank (2) and the salt dissolving brackish water tank (14) are respectively connected with an 8-inch membrane shell (11) and a 4-inch membrane shell (12) through two branch pipelines, the outlet of the salt dissolving seawater tank (2) is connected with a raw water booster pump (3), the outlet of the raw water booster pump (3) is respectively connected with the inlet of the salt dissolving seawater tank (2) and a security filter (7), the security filter (7) is continuously provided with two security filters, the security filter (7) and the pipeline of the raw water booster pump (3) are provided with a pressure gauge (5) and a thermometer (6), the outlet of the security filter (7) at the last position is connected with two high-pressure pumps (10), a conductivity meter (8) and a low-pressure protection switch (9) are arranged between the security filter (7, the output ports of the two high-pressure pumps (10) are connected to a pipeline of a salt dissolving seawater tank (2) communicated with the 8-inch membrane shell (11) and the 4-inch membrane shell (12), the outlet of the salt dissolving brackish water tank (14) is connected with a high-pressure flushing pump (15), one branch pipeline of the high-pressure flushing pump (15) is connected to the inlet of the salt dissolving brackish water tank (14), and the other branch pipeline of the high-pressure flushing pump (15) is connected with the 8-inch membrane shell (11) and the 4-inch membrane shell (12).

2. The system special for reverse osmosis membrane test according to claim 1, characterized in that: eight membrane shells (11) are arranged, and four membrane shells (12) are arranged in the number of 8 inches.

3. The system special for reverse osmosis membrane test according to claim 1, characterized in that: and a conductivity meter (8) and a pressure gauge (5) are arranged on the pipeline at one side of each of the 8-inch membrane shell (11) and the 4-inch membrane shell (12).

Technical Field

The invention belongs to the technical field of membrane application, is used for product testing in the reverse osmosis membrane production industry, and particularly relates to a system special for testing a reverse osmosis membrane.

Background

The development of high molecular materials in the field of water treatment is fast in China in recent years, particularly the development of reverse osmosis membrane technology, but since the development of seawater membrane technology is slow in China, manufacturers can produce industrial seawater desalination membrane products with stable performance until China recently, and then the products need to be tested to be qualified. There is a need for reverse osmosis systems that can test both brackish water membranes and seawater membranes. Because the membrane test requirement is high, the flow span is large, and the measurement is difficult, the existing test system can only test the brackish water membrane performance, and the test of the seawater membrane performance is very rare, and only 1 can be tested in some cases.

Disclosure of Invention

The invention aims to provide a system special for reverse osmosis membrane test, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a system special for testing a reverse osmosis membrane comprises a salt dissolving sea water tank, a salt dissolving brackish water tank, 8-inch membrane shells and 4-inch membrane shells, wherein a first liquid level meter is arranged inside the salt dissolving sea water tank, a second liquid level meter is arranged in the salt dissolving brackish water tank, the salt dissolving sea water tank and the salt dissolving brackish water tank are respectively connected with the 8-inch membrane shells and the 4-inch membrane shells through two branch pipelines, an outlet of the salt dissolving sea water tank is connected with a raw water booster pump, an outlet of the raw water booster pump is respectively connected with an inlet of the salt dissolving sea water tank and a security filter, the security filter is continuously provided with two security filters, a pressure gauge and a thermometer are arranged on a pipeline of the security filter and the raw water booster pump, an outlet of the last security filter is connected with two high-pressure pumps, a conductivity meter and a low-pressure protection switch are arranged between the security filter and the high-pressure pumps, and outlets of the two high-, the outlet of the salt dissolving brackish water tank is connected with a high-pressure flushing pump, one branch pipeline of the high-pressure flushing pump is connected to the inlet of the salt dissolving brackish water tank, and the other branch pipeline of the high-pressure flushing pump is connected with an 8-inch membrane shell and a 4-inch membrane shell.

Preferably, there are eight membrane shells of 8 inches and four membrane shells of 4 inches.

Preferably, a conductivity meter and a pressure gauge are arranged on the pipeline on one side of each of the 8-inch membrane shell and the 4-inch membrane shell.

The invention has the technical effects and advantages that: the special reverse osmosis membrane testing system is designed by combining the requirements of manufacturers for producing seawater reverse osmosis membranes and brackish water membranes by using energy, and is large in span and high in efficiency. It is possible to test 1-4 seawater membranes or 1-4 brackish water membranes. Simultaneously, the seawater membrane test function and the brackish water membrane test function are integrated, the investment is saved, the test span can be tested from 1 membrane to 4 membranes, the client can conveniently and temporarily detect the performance of a single membrane returning to the factory, and the operation is simple, convenient and quick.

Drawings

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

In the figure: 1. a first liquid level meter; 2. a salt dissolving seawater tank; 3. a raw water booster pump; 4. a valve; 5. a pressure gauge; 6. a thermometer; 7. a security filter; 8. a conductivity meter; 9. a low-voltage protection switch; 10. a high pressure pump; 11. an 8 inch membrane shell; 12. a 4 inch membrane shell; 13. a second level gauge; 14. a salt-dissolving brackish water tank; 15. a high pressure flush pump.

Detailed Description

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, and not all of the embodiments. 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.

The invention provides a system special for reverse osmosis membrane testing as shown in figure 1, which comprises a salt dissolving sea water tank 2, a salt dissolving brackish water tank 14, an 8-inch membrane shell 11 and a 4-inch membrane shell 12, wherein a first liquid level meter 1 is arranged inside the salt dissolving sea water tank 2, a second liquid level meter 13 is arranged inside the salt dissolving brackish water tank 14, the salt dissolving sea water tank 2 and the salt dissolving brackish water tank 14 are respectively connected with the 8-inch membrane shell 11 and the 4-inch membrane shell 12 through two branch pipelines, an outlet of the salt dissolving sea water tank 2 is connected with a raw water booster pump 3, an outlet of the raw water booster pump 3 is respectively connected with an inlet of the salt dissolving sea water tank 2 and a security filter 7, two security filters 7 are continuously arranged, a pressure gauge 5 and a temperature gauge 6 are arranged on the pipelines of the security filter 7 and the raw water booster pump 3, an outlet of the security filter 7 at the last position is connected with two high-pressure pumps 10, a conductivity meter 8 and a low-, the output ports of the two high-pressure pumps 10 are connected to pipelines of the salt dissolving seawater tank 2 which are communicated with the 8-inch membrane shell 11 and the 4-inch membrane shell 12, the outlet of the salt dissolving brackish water tank 14 is connected with a high-pressure flushing pump 15, one branch pipeline of the high-pressure flushing pump 15 is connected to the inlet of the salt dissolving brackish water tank 14, and the other branch pipeline of the high-pressure flushing pump 15 is connected with the 8-inch membrane shell 11 and the 4-inch membrane shell 12.

Specifically, eight membrane shells 11 are provided, and four membrane shells 12 are provided for 4 inches.

Specifically, a conductivity meter 8 and a pressure gauge 5 are arranged on the pipeline on one side of each of the 8-inch membrane shell 11 and the 4-inch membrane shell 12.

The real performance of the membrane needs to be activated, the activation method is that firstly, 2000ppm salt of brackish water is used for circularly washing the membrane for 2 hours, then the high-pressure pump 10 is started for performance test, the flux and the water production performance of the membrane are mainly tested to be changed within 0.5 hour, the conductivity of the produced water is stabilized below 100ppm, the flux of the produced water is stabilized above 1.2m3/h, and then the membrane performance test is qualified. Is characterized in that the seawater membrane and the brackish water membrane can be tested and share the membrane shell, etc. The seawater film or the brackish water film can be tested by switching the valve. The high-pressure pump 10 is controlled by frequency conversion, so that the test span is large and the precision is high.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.