RU201094U1 - Device for continuous measurement of changes in the electrical conductivity of deionized water in a tank - Google Patents

Abstract

The claimed technical solution relates to the field of ensuring reliable operation of the reactor, in particular to a device for continuous measurement of changes in the electrical conductivity of deionized water in a tank, containing a tank body (1), to which a water intake pipe (2) with a V01 valve, a drain pipe with a V08 valve and sampling branches (12). In this case, the device contains instrument sampling valves VC01, VC02, VC03, VC04, VC05, VC06. An increase in the efficiency and accuracy of measuring changes is achieved due to the fact that the device contains a first water conductivity sensor (10), a second water conductivity sensor (11). In this case, all sampling branches (12) are connected to each other and to the sampling manifold (13), while the instrument sampling valve VC06 and the second water conductivity sensor (11) are installed on the sampling manifold (13), and each of the sampling branches (12), and an instrument sampling valve is also installed on the tank body (1). f-ly, 1 dwg

Description

The field of technology.

The claimed technical solution relates to the field of ensuring reliable operation of the reactor, in particular, to a device for continuous measurement of changes in the electrical conductivity of deionized water in a tank.

State of the art.

An abnormal change in the level of electrical conductivity of deionized water in the reactor system affects the normal operation of the reactor, and, therefore, is an important controlled parameter of the reactor operation process. Some reactor water tanks may not be sealed, and prolonged direct contact between the water in the reactor and the surrounding air will gradually increase the electrical conductivity of the water. When the reactor system is filled with water from these reservoirs, fluctuations in the conductivity of deionized water occur in the reactor system, which in serious cases leads to an alarm. Thus, it is necessary to find out the regularity and mechanism of the effect of changes in the electrical conductivity of water in the reservoirs on the reactor system, and in addition, to determine the methodology for controlling the level of electrical conductivity in the reservoirs and effectively increase the reliability of the reactor operation.

For example, in the patent for invention CN 108744622 (IPC B01D 24/28, C02F 1/00, C02F 1/68. Water purifying device and method / WANG JINGHUA - No. 201810899116.1, published on 06.11.2018, [1]) a device for water purification, which includes: a water tank with inlet and outlet openings, which are located on the side surface of the specified reservoir, a storage tank located on the side of the water tank outlet, purification units for supplying water from the water tank to the storage tank, which perform the function of water purification, power elements that supply water from said storage tank to the water tank through the circulation inlet.

The analogue [1] achieves dissolution of impurities in water and purification of water from harmful substances. However, this invention is intended only for the most common impurities in household water, and the water to be treated is circulated in open tanks. Therefore, it is not possible to effectively control the conductivity of the water in the water reservoir. In addition, the device does not provide a device for sampling, which does not allow measuring the level of electrical conductivity of water.

As a prototype for the claimed technical solution, a sampler (CN 108760402 (IPC G01N 1/14. Sampling mechanism applied to water tank water quality detection / ZHU CUIBANG - No. 201810950269.4, publ. 06.11.2018, [2]) including a tube for sampling , water pump, solenoid valve, coupling mechanism and vertical drip line.

In the prototype [2], water samples are taken from closed equipment, while there is no secondary pollution of water by waste. However, firstly, the invention can only implement the sampling function and cannot control the conductivity of the water in the tank. Second, the invention is equipped with a water pump and a solenoid valve on the sampling tube with moving parts, which complicates the sampling operation.

The technical problem to be solved is the need to create a device for continuous measurement of changes in the electrical conductivity of deionized water in the reservoir, which does not have secondary pollution of the water in the reservoir. In this case, the design should be simple, and the installation convenient. The size of the open hole at the top of the water tank and the cleaning speed must be adjustable to accurately simulate the actual position of the water tank in the reactor system. In this case, the sampling system must continuously measure the water sample in different parts of the tank, the measurement results must be accurate and reliable.

Disclosure of the proposed technical solution.

The technical result provided by the claimed technical solution is to increase the efficiency and accuracy of measuring changes in the electrical conductivity of deionized water in the tank.

Other beneficial effects are:

- all structural elements of this device in contact with water are made of 304 stainless steel or other materials that do not affect the quality of the water and do not cause secondary pollution of the water in the tank;

- regulation of the size of the upper opening of the tank body allows you to control the speed of air entering the tank, while you can accurately simulate the actual state of the tank in the reactor system;

- the modular design of the device increases the ease of installation and regulation;

- the required levels of purity and conductivity of deionized water are ensured by using an ion exchange resin to purify deionized water;

- bypass pipes for the pump and filter with ion exchange resin allow to control the rate of deionized water purification in the system by adjusting the opening of each valve of the purification system, while it is possible to accurately simulate the actual state of the reactor system reservoir;

- several sampling branches with valves are provided for the measuring system, which makes it possible to carry out separate continuous measurement of electrical conductivity at different places in the tank;

- behind the second water conductivity sensor on the sampling manifold, a section of an inverted U-shaped pipeline is provided, which protects the second water conductivity sensor from air entering the sampling manifold, which ensures accurate and reliable measurement results.

The essence of the claimed technical solution lies in the fact that a device for continuous measurement of changes in the electrical conductivity of deionized water in a tank contains a tank body to which a water intake pipe with a V01 valve, a drain pipe with a V08 valve and sampling branches are connected, while the device contains instrumental sampling valves VC01, VC02, VC03, VC04, VC05, VC06, the first water conductivity sensor, the second water conductivity sensor. In this case, all sampling branches are connected to each other and to the sampling manifold. At the same time, an instrument sampling valve VC06 and a second water conductivity sensor are installed on the sampling manifold, and an instrument sampling valve is also installed on each of the sampling branches and on the tank body. In this case, the sampling collector has a section of an inverted U-shaped pipe located after the second water conductivity sensor.

In a particular case, the water intake pipe with the V01 valve is located on the upper part of the tank body, while the water intake pipe with the V08 valve is located at the bottom of the tank body. In this case, the body of the reservoir contains structural elements for regulating the opening area of the upper opening for receiving water.

The device may include an ion exchange resin filter and an ion exchange resin filter bypass. In this case, the ion-exchange resin filter is connected to the tank body, and the first water conductivity sensor is located on the bypass pipe of the ion-exchange resin filter for continuous measurement of the water conductivity during the purification process.

The device may include a filter, a water pump, a flow meter, and a water pump bypass pipe. In this case, the tank body is connected in series with a filter, a pump, an ion-exchange resin filter and a flow meter, forming a circuit. In this case, valve V02 is installed between the filter and the pump. Valves V03 and V05 are installed between the pump and the ion exchange resin filter. The water pump and valve V03 are connected in parallel with the bypass pipe of the water pump and valve V04. In this case, valve V05, resin filter and flow meter are connected in parallel with the bypass pipe of the ion exchange resin filter and valve V06. In this case, valve V07 is installed between the flow meter and the tank body.

Brief description of the drawings.

The figure shows a diagram of an installation for continuous measurement of changes in the conductivity of deionized water in a tank. List of reference designations:

1 - tank body; 2 - water intake pipe; 3 - drainage pipe; 4 - filter; 5 - water pump; 6 - filter with ion exchange resin; 7 - flow meter; 8 - bypass pipe of the water pump; 9 - bypass pipe of the filter with ion exchange resin; 10 - the first sensor of water conductivity; 11 - the second sensor of water conductivity; 12 - branch of sampling; 13 - sampling collector; V08 - drain pipe valve; V02, V03, V04, V05, V06, V07 - cleaning system valves; VC01, VC02, VC03, VC04, VC05, VC06 are instrument sampling valves.

Implementation of the technical solution.

As shown in the figure, the claimed technical solution characterizes a device for continuously measuring changes in the conductivity of deionized water in a reservoir, including a water reservoir system, a purification system and a measuring system.

The water tank system contains: a tank body 1, a water inlet pipe 2, a drain pipe 3. A water inlet pipe 2 with a V01 valve is located on the upper part of the tank body 1. A drain pipe 3 with a V08 valve is located at the bottom of the tank body 1. The tank body 1 contains structural elements regulation of the opening area of the upper opening for receiving water.

The cleaning system includes: filter 4, water pump 5, filter with ion exchange resin 6, flow meter 7, bypass pipe of the water pump 8. The body of the tank 1 is connected in series with filter 4, pump 5, filter with ion exchange resin 6 and flow meter 7, forming circuit. Valve V02 is installed between filter 4 and pump 5, valves V03 and V05 are installed between pump 5 and filter with ion exchange resin 6. Pump 5 and valve V03 are connected in parallel with the bypass pipe of the water pump 8 and valve V04. Valve V05, resin filter 6 and flow meter 7 are connected in parallel with the bypass pipe of the resin filter 9 and valve V06. A valve V07 is installed between the flow meter 7 and the tank body 1. The purification system is designed to purify deionized water during its circulation. Deionized water leaves the lower part of the side surface of the tank body 1, sequentially passes through filter 4, pump 5, filter with ion exchange resin 6 and flow meter 7, and then flows back to the upper part of the tank body 1 through the pipeline, while circulation and cleaning are realized ...

The sampling branches 12 are connected to the body of the reservoir 1, while all the sampling branches 12 are connected to each other and to the sampling manifold 13. An instrument sampling valve VC06 is installed on the sampling manifold 13. A corresponding instrument sampling valve VC01-VC05 is installed on each of the sampling branches 12 and on the tank body 1.

The measuring system includes a first water conductivity sensor 10 and a second water conductivity sensor 11. The first water conductivity sensor 10 is located on the bypass pipe of the ion-exchange resin filter 9 to continuously measure the water conductivity during the purification process. The second water conductivity sensor 11 is located on the sampling manifold 13. Deionized water is removed from different parts of the housing 1 through the sampling branches 12. When the corresponding instrument sampling valve VC01 - VC06 is opened, deionized water flows through the sampling branches 12 to the 13 sampling manifold. In this case, the second water conductivity sensor 11 measures the water conductivity. The measuring system is designed to measure the conductivity of deionized water in different parts of the device.

The sampling manifold 13 has a section of an inverted U-shaped pipe located after the second water conductivity sensor 11, which protects the second water conductivity sensor 11 from air ingress through the sampling manifold 13, which ensures accurate and reliable measurement results.

Description of work.

At the first stage, deionized water is pumped into reservoir 1 to a predetermined level.

At the second stage, the pump 5 deionized water from the reservoir 1 is sequentially fed through the filter 4, and the bypass pipe of the filter with ion-exchange resin 9. Then the water flows back into the body of the reservoir 1 through the return pipeline. In this case, the electrical conductivity of deionized water is measured using the first water conductivity sensor 10.

At the third stage, the upper opening of the reservoir 1 is closed and, depending on the readings of the flow meter 7, the degree of opening of the valves V04, V05, V06 is adjusted to control the flow of deionized water through the filter with ion exchange resin 6 so that the speed of the purification system meets the test requirements until the moment when the reading of the first water conductivity sensor 10 reaches the value required by the test.

At the fourth stage, the pump 5 is turned off, the corresponding instrument valve on the sampling branches 12 is opened, corresponding to the desired measurement position in accordance with the requirements. Then open the instrument sampling valve VC06 on the sampling manifold 13, after which deionized water from the reservoir 1 enters the corresponding sampling branch 12, then into the sampling manifold 13 and exits through the second water conductivity sensor 11. At this stage, the water conductivity value is measured. in one place in the tank 1.

At the fifth stage, in accordance with the test requirements, the corresponding instrument valve is opened at a given time and the value of the electrical conductivity of deionized water is obtained in different places of the tank 1 at different times. After that, the law of changes in the electrical conductivity of deionized water in the tank body 1 over time is obtained.

Above is a detailed description of the present utility model, containing links to the drawings. However, the present technical solution is not limited to the above embodiments. Additions and changes, including resizing, can be made without changing the essence within the scope of knowledge of a person skilled in the art. Details not described can be taken from the prior art.

Claims (4)

1. A device for continuously measuring changes in the electrical conductivity of deionized water in a tank, comprising a tank body (1), to which a water intake pipe (2) with a V01 valve, a drain pipe with a V08 valve and sampling branches (12) are connected, the device contains instrumental sampling valves VC01, VC02, VC03, VC04, VC05, VC06, characterized in that it contains a first water conductivity sensor (10) and a second water conductivity sensor (11), while all sampling branches (12) are connected to each other and with a sampling manifold (13), and a VC06 instrument sampling valve and a second water conductivity sensor (11) are installed on the sampling manifold (13), and on each of the sampling branches (12), and on the tank body (1) also a corresponding instrument sampling valve is installed, and the sampling manifold (13) has an inverted U-shaped pipe section located after the second water conductivity sensor (11). 2. A device according to claim 1, characterized in that the water inlet pipe (2) with the V01 valve is located on the upper part of the tank body (1), while the water outlet pipe (3) with the V08 valve is located at the bottom of the tank body (1), when In this case, the body of the reservoir (1) contains structural elements for regulating the opening area of the upper opening for receiving water. 3. The device according to claim 1, characterized in that it contains a filter with ion exchange resin (6) and a bypass pipe of the filter with ion exchange resin (9), wherein the filter with ion exchange resin (6) is connected to the tank body (1), the first the water conductivity sensor (10) is located on the bypass pipe of the ion-exchange resin filter (9) to continuously measure the water conductivity during the cleaning process. 4. The device according to claim 3, characterized in that it contains a filter (4), a water pump (5), a flow meter (7) and a bypass pipe of the water pump (8), while the tank body (1) is connected in series with the filter (4 ), a water pump (5), a filter with ion exchange resin (6) and a flow meter (7), forming a circuit, while a V02 valve is installed between the filter (4) and the water pump (5), between the water pump (5) and the filter with valves V03 and V05 are installed with ion exchange resin (6), while the water pump (5) and valve V03 are connected in parallel with the bypass pipe of the water pump (8) and valve V04, while valve V05, filter with ion exchange resin (6) and flow meter ( 7) are connected in parallel with the bypass pipe of the ion-exchange resin filter (9) and valve V06, while valve V07 is installed between the flow meter (7) and the tank body (1).

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