CN217520979U

CN217520979U - Ion exchange resin purification simulation test device for nuclear power plant

Info

Publication number: CN217520979U
Application number: CN202123249715.5U
Authority: CN
Inventors: 蔡小华; 钱平; 刘金彪
Original assignee: Jiangsu Suqing Water Treatment Engineering Group Co ltd
Current assignee: Jiangsu Suqing Water Treatment Engineering Group Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-09-30
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a nuclear power plant's ion exchange resin purifies analogue test device relates to ion exchange resin and purifies the simulation field, including the water pitcher, water pitcher top one side sets up the inlet tube, and installs the fluviograph in inside one side of water pitcher, one side that the inlet tube was kept away from to the water pitcher is installed the water pump that the input extended to water pitcher inboard bottom, the water pump output end is connected with the blending tank, and is connected with the powder pipe on one side of blending tank top. The utility model discloses a pass through the parallelly connected a plurality of filter core chambeies of liquid pump in blending tank one end, and all install the flow pump between every filter core chamber and liquid pump, all install second water quality testing ware in filter core chamber outlet pipe, during the use, but the filter effect of a plurality of different filter cores of synchronous detection, or the filtration efficiency of the same filter core of opening size detection of control flow valve, also accessible control every flow valve's opening time, through the filter effect of the same filter core of concentration detection of adjustment blending tank liquid medicine to different concentration solutions, and it is more convenient to use.

Description

Ion exchange resin purification simulation test device for nuclear power plant

Technical Field

The utility model relates to an ion exchange resin purifies the simulation field, specifically is a nuclear power plant's ion exchange resin purifies analogue test device.

Background

The main purpose of the two-loop water chemistry control of the nuclear power plant is to reduce corrosion and migration of corrosion products, and in the water quality control process, the impurities in water are required to be as less as possible, and in the unit operation process, the purpose is achieved through an ion exchange resin purification system (such as a condensate water fine treatment system and a steam generation sewage system) designed by the unit, and with the continuous updating of the ion exchange resin, the purification performance of new ion exchange resin needs to be selected and evaluated.

Currently, when a purification simulation is performed on an ion exchange resin, a filtration simulation is generally performed by using powder mixed water as simulation wastewater and then injecting the ion exchange resin.

The ion exchange resin of current nuclear power plant purifies analogue test device when filtering the simulation, needs more than once to change the filter core and detects, just can obtain the filter effect of filter core under the different conditions, and it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a nuclear power plant's ion exchange resin purifies analogue test device to solve current nuclear power plant's ion exchange resin and purify analogue test device awkward technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: a nuclear power plant ion exchange resin purification simulation test device comprises a water tank, wherein a water inlet pipe is arranged on one side of the top of the water tank, a water level indicator is installed on one side inside the water tank, a water pump with an input end extending to the bottom of the inner side of the water tank is installed on one side, away from the water inlet pipe, of the water tank, a mixing tank is connected to the output end of the water pump, a powder pipe is connected to one side of the top of the mixing tank, a powder electromagnetic valve is installed on the powder pipe, a water level float is installed on the inner wall of the mixing tank in a rotating mode, a liquid pump is connected to the bottom of one side, away from the water pump, of the mixing tank, the output end of the liquid pump is connected with a plurality of flow valves in parallel, the other end of each flow valve is connected with a filter element cavity, a filter element body is detachably connected to the inside of the filter element cavity, a second water quality detector is installed to the inside the output end of the filter element cavity, a three-way electromagnetic valve is installed with a three-way electromagnetic valve, one outlet is connected with a second return pipe extending into the water tank, and the other outlet of the three-way electromagnetic valve is connected with a second waste water pipe.

Through adopting above-mentioned technical scheme, the inlet tube can be to adding water in the water pitcher, the volume of the steerable water pitcher internal water of water level ware, the water pump can be with the water pumping in the water pitcher in the hybrid tank, the steerable volume of powder solenoid valve powder in the hybrid tank is poured into from powder pipe, the volume of water level float detectable hybrid tank internal water, the liquid pump can take the liquid medicine out and pour into the filter core intracavity, make the filter core body filter the liquid medicine, the steerable liquid medicine of flow valve gets into the flow in filter core chamber, whether qualified the liquid medicine of second water quality detector detectable filter core body filtration is crossed, three way solenoid valve can control water inflow second back flow or second waste pipe according to the result that second water quality detector detected.

The utility model discloses further set up to, the water pitcher inner wall is located water pump import department and installs first water quality testing ware, the water pitcher is located inlet tube homonymy bottom and is provided with first waste pipe, and installs the waste water solenoid valve on the first waste pipe.

Through adopting above-mentioned technical scheme, the quality of water in the first water quality testing ware detectable water pitcher, the first waste pipe of waste water solenoid valve switch, the emission of the water of control water pitcher.

The utility model discloses further set up to, install the motor in the middle of the blending tank top, and the motor output end be connected with blending tank complex mixing leaf.

By adopting the technical scheme, the motor can drive the mixing blade to mix the medicinal powder with water.

The utility model discloses further set up to, liquid pump output tube top is connected with the first return tube of being connected with the blending tank.

Through adopting above-mentioned technical scheme, first water flow pipe is convenient for unnecessary liquid medicine reflux to the blending tank in, the blending tank openly is provided with the touch-control screen.

The utility model discloses further set up to, every the filter core chamber openly all rotates and is connected with the chamber lid, and the chamber is covered and all is provided with the handle, touch screen controlling means work.

Through adopting above-mentioned technical scheme, the chamber lid is convenient for open the filter core chamber, and the filter core body of being convenient for is changed, and the handle is convenient for open the chamber lid.

To sum up, the utility model discloses mainly have following beneficial effect:

the utility model discloses a pass through a plurality of filter core chambeies of liquid pump parallelly connected in blending tank one end, and all install the flow pump between every filter core chamber and liquid pump, all install second water quality testing ware in filter core chamber outlet pipe, during the use, can detect the filter effect of a plurality of different filter cores in step, or the filtration efficiency of the same filter core of opening size detection of control flow valve, also accessible control every flow valve's opening time, through the filter effect of the same filter core of concentration detection of the liquid medicine in the adjustment blending tank to different concentration solutions, it is more convenient to use.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: 1. a water tank; 2. a water inlet pipe; 3. a water level device; 4. a water pump; 5. a first water quality detector; 6. a first waste pipe; 7. a wastewater solenoid valve; 8. a mixing tank; 9. a powder tube; 10. a medicinal powder electromagnetic valve; 11. a motor; 12. mixing the leaves; 13. a water level float; 14. a liquid pump; 15. a flow valve; 16. a first return pipe; 17. a filter element cavity; 18. a filter element body; 19. a chamber cover; 20. a three-way electromagnetic valve; 21. a second return pipe; 22. a second wastewater pipe; 23. a second water quality detector; 24. a touch screen.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

A nuclear power plant ion exchange resin purification simulation test device is disclosed, as shown in figures 1-3, and comprises a water tank 1, wherein one side of the top of the water tank 1 is provided with a water inlet pipe 2, water can be added into the water tank 1, one side of the inside of the water tank 1 is provided with a water level device 3, the amount of the water in the water tank 1 can be controlled, one side of the water tank 1, which is far away from the water inlet pipe 2, is provided with a water pump 4, the input end of which extends to the bottom of the inner side of the water tank 1, the output end of the water pump 4 is connected with a mixing tank 8, the water pump 4 can pump the water in the water tank 1 into the mixing tank 8, one side of the top of the mixing tank 8 is connected with a powder pipe 9, the powder pipe 9 is provided with a powder electromagnetic valve 10, the powder electromagnetic valve 10 can control the amount of the powder injected into the mixing tank 8 from the powder pipe 9, the inner wall of the mixing tank 8 is rotatably provided with a water level float 13, the amount of the water in the mixing tank 8 can be detected, and the bottom of one side of the mixing tank 8, which is far away from the water pump 4, is connected with a

liquid pump

14, 14 output of liquid pump is parallelly connected to have a plurality of flow valve 15, steerable liquid medicine gets into the flow in filter core chamber 17, and every flow valve 15 other end all is connected with filter core chamber 17, filter core chamber 17 is inside all to dismantle to be connected with 18 liquid pumps 14 of filter core body and to take the liquid medicine and pour into filter core chamber 17 into, make filter core body 18 filter the liquid medicine, and filter core chamber 17 output inside all installs second water quality testing ware 23, whether qualified of the liquid medicine that detectable filter core body 18 filtered out, three solenoid valve 20 is all installed to filter core chamber 17 output, 20 export of three solenoid valve all is connected with the second back flow 21 that the export extended into water pitcher 1, and another export of three solenoid valve 20 all is connected with second waste pipe 22, three solenoid valve 20 can be according to the result control water inflow second back flow 21 or second waste pipe 22 of 23 detection of second water quality testing ware.

Please refer to fig. 1 and fig. 2, water pitcher 1 inner wall is located 4 import departments of water pump and installs first water quality testing ware 5, the quality of water of detectable water pitcher 1 internal water, water pitcher 1 is located inlet tube 2 homonymy bottom and is provided with first waste pipe 6, and install waste water solenoid valve 7 on the first waste pipe 6, but the first waste pipe 6 of waste water solenoid valve 7 switch, the discharge of the water of control water pitcher 1, 14 output tube tops of liquid pump are connected with the first return pipe 16 of being connected with blending tank 8, be convenient for unnecessary liquid medicine reflux in blending tank 8, blending tank 8 openly is provided with touch screen 24, steerable device work.

Referring to fig. 1 and 2, each filter element cavity 17 is rotatably connected with a cavity cover 19 on the front side for opening the filter element cavity 17 and replacing the filter element body 18, the cavity cover 19 is provided with handles for opening the cavity cover 19, a motor 11 is installed in the middle of the top of the mixing tank 8, the output end of the motor 11 is connected with a mixing blade 12 matched with the mixing tank 8, and the motor 11 can drive the mixing blade 12 to mix the medicinal powder with water.

The utility model discloses a theory of operation does: when the device is used, water is added into the water tank 1 through the water inlet pipe 2 until the water level device senses the liquid level and stops, the cavity cover 19 is opened, the filter element body 18 to be detected is installed in the filter element cavity 17, the touch screen 24 is used for inputting the required concentration of liquid medicine, the water pump 4 can pump the water in the water tank 1 into the mixing tank 8, the medicine powder can be injected into the mixing tank 8 through the medicine powder pipe 9, the water level floater 13 can detect the amount of the water in the mixing tank 8, the medicine powder electromagnetic valve 10 can control the amount of the medicine powder injected into the mixing tank 8 through the amount of the water, so that the solution in the mixing tank 8 reaches the required concentration, the motor 11 drives the mixing blade 12 to rotate, the medicine powder and the water can be uniformly mixed, the liquid pump 14 can pump the liquid medicine, the liquid medicine enters the filter element cavity 17 through the flow valve 15 with the flow set by the touch screen 24, is filtered by the filter element body 18 and then is detected by the second water quality detector 23, and the redundant liquid medicine flows back into the mixing tank 8 through the first return pipe 16, if the filtered water quality is qualified, the three-way electromagnetic valve 20 can discharge the filtered water through the second waste water pipe 22 even if the filtered water returns to the water tank 1 through the second return pipe 21 for recycling, if the water quality is unqualified, the three-way electromagnetic valve 20 can discharge the filtered water, if the filtering effect of the filter element body 18 under different flow rates is required to be detected simultaneously, the flow rate of the flow valve 15 is changed through the touch screen 24, so that the solutions with different flow rates can be filtered through the filter element body 18, when the filtering effect of the filter element body 18 under different concentrations is required to be detected, one flow valve 15 is opened first to enable the solution to enter the filter element body 18 for filtering, then the flow valve 15 is closed, the medicine powder is added into the mixing tank 8 for mixing, then the second flow valve 15 is opened to enable the solution to enter the filter element body 18 for filtering, the process is repeated, when the first water quality detector 5 detects that the medicine powder content of the water in the water tank 1 is too high, and opening a wastewater electromagnetic valve 7 to enable the wastewater to be discharged through a first wastewater pipe 6 for water replacement.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides a nuclear power plant ion exchange resin purifies analogue test device, includes water pitcher (1), its characterized in that: the water tank is characterized in that a water inlet pipe (2) is arranged on one side of the top of the water tank (1), a water level device (3) is installed on one side inside the water tank (1), one side, far away from the water inlet pipe (2), of the water tank (1) is provided with a water pump (4) with an input end extending to the bottom of the inner side of the water tank (1), the output end of the water pump (4) is connected with a mixing tank (8), one side of the top of the mixing tank (8) is connected with a powder pipe (9), a powder electromagnetic valve (10) is installed on the powder pipe (9), a water level floater (13) is installed on the inner wall of the mixing tank (8) in a rotating mode, a liquid pump (14) is connected to the bottom of one side, far away from the water pump (4), of the output end of the liquid pump (14) is connected with a plurality of flow valves (15) in parallel, the other end of each flow valve (15) is connected with a filter element cavity (17), and a filter element body (18) can be detachably connected inside the filter element cavity (17), and inside the filter element cavity (17) output pipe all install second water quality detector (23), three way solenoid valve (20) are all installed to filter element cavity (17) output, an export of three way solenoid valve (20) all is connected with export second back flow (21) that extend into water pitcher (1), and another export of three way solenoid valve (20) all is connected with second waste pipe (22).

2. The device for the simulation test of the purification of the ion exchange resin in the nuclear power plant according to claim 1, wherein: the utility model discloses a water pitcher, including water pitcher (1), water pitcher (1) inner wall is located water pump (4) import department and installs first water quality testing ware (5), water pitcher (1) is located inlet tube (2) homonymy bottom and is provided with first waste pipe (6), and installs waste water solenoid valve (7) on first waste pipe (6).

3. The device for the simulation test of the purification of the ion exchange resin in the nuclear power plant according to claim 1, wherein: install motor (11) in the middle of blending tank (8) top, and motor (11) output is connected with and blending tank (8) complex mixing leaf (12).

4. The device for the simulation test of the purification of the ion exchange resin in the nuclear power plant according to claim 1, wherein: the liquid pump (14) output tube top is connected with first return pipe (16) of being connected with blending tank (8), blending tank (8) openly are provided with touch screen (24).

5. The device for the simulation test of the purification of the ion exchange resin in the nuclear power plant according to claim 1, wherein: every filter element chamber (17) all rotates in the front and is connected with chamber lid (19), and all is provided with the handle on chamber lid (19).