CN217484758U - Concentration detection and control device for sodium ion exchanger regenerated salt solution dissolving process - Google Patents
Concentration detection and control device for sodium ion exchanger regenerated salt solution dissolving process Download PDFInfo
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- CN217484758U CN217484758U CN202221792925.0U CN202221792925U CN217484758U CN 217484758 U CN217484758 U CN 217484758U CN 202221792925 U CN202221792925 U CN 202221792925U CN 217484758 U CN217484758 U CN 217484758U
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Abstract
The utility model provides a concentration detection and control device for the sodium ion exchanger regeneration salt solution dissolving process, wherein a liquid outlet pipeline is arranged between a dissolving pool and the liquid inlet ends of a return pipeline and a temporary storage liquid inlet pipeline, a salt solution concentration detector is arranged, and two liquid outlet branches on the liquid outlet pipeline are both provided with a salt solution circulating pump; the reflux pipeline is connected to a reflux port of the dissolving tank and is sequentially provided with a reflux valve inlet stop valve, a salt solution reflux electric valve and a reflux valve outlet stop valve; the temporary storage liquid inlet pipeline is connected to a salt solution temporary storage pool and is sequentially provided with an electric valve inlet stop valve, a salt solution temporary storage electric valve and an electric valve outlet stop valve; a liquid level meter is arranged on the salt liquid temporary storage pool; salt solution supply pumps are arranged on two supply branches formed by the supply pipelines; also comprises a PLC controller. The utility model discloses help guaranteeing that the regeneration of sodium ion exchanger is abundant, avoid consequently causing the water waste.
Description
Technical Field
The utility model relates to a sodium ion exchanger regeneration salt solution dissolving process concentration detection and controlling means.
Background
When supplying city tap water to a boiler for water replenishment, the hardness of calcium and magnesium ions in the water must be removed, and the tap water is usually treated by a sodium ion exchanger. After a certain amount of tap water is treated by the sodium ion exchanger, sodium chloride solution is needed to be used for regeneration. The dissolution of industrial sodium chloride in water requires a process, when dissolution and crystallization reach dynamic equilibrium, the salt solution reaches a saturated state, the concentration of the salt solution reaches a maximum value, and the regeneration effect of the regenerated salt solution and the sodium ion exchanger is optimal. However, the regeneration is sometimes insufficient, resulting in waste of water resources. The main points are as follows:
firstly, it is unknown whether the sodium chloride salt solution is saturated;
secondly, incomplete regeneration of the sodium ion exchanger leads to a reduction in the ability to treat tap water.
The reason for the two aspects is that the soft water at the outlet of the sodium ion exchanger is occasionally unqualified when in actual use, and the water resource is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving above-mentioned technical problem to a certain extent at least. Therefore, the utility model provides a sodium ion exchanger regeneration salt solution dissolution process concentration detection and controlling means helps guaranteeing that sodium ion exchanger regeneration is abundant, avoids consequently causing the water waste.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a concentration detection and control device for a sodium ion exchanger regenerated salt solution dissolving process is structurally characterized in that:
comprises a dissolving tank, a temporary salt solution storage tank, a water softener, a liquid outlet pipeline, a return pipeline, a temporary liquid inlet pipeline and a supply pipeline;
one end of the liquid outlet pipeline is connected with the outlet of the dissolving tank, the other end of the liquid outlet pipeline is connected with the liquid inlet ends of the backflow pipeline and the temporary storage liquid inlet pipeline which are arranged in parallel, two liquid outlet branches which are connected in parallel are formed on the liquid outlet pipeline, a circulating pump inlet stop valve, a salt solution circulating pump, a circulating pump outlet check valve and a circulating pump outlet stop valve are sequentially arranged on each section of liquid outlet branch along the liquid flow direction, and a salt solution concentration detector is arranged between the two liquid outlet branches and the liquid inlet end of the backflow pipeline;
the other end of the return pipeline is connected to a return port of the dissolving tank, and a return valve inlet stop valve, a salt solution return electric valve and a return valve outlet stop valve are sequentially arranged along the liquid flow direction;
the other end of the temporary storage liquid inlet pipeline is connected to an inlet of the salt liquid temporary storage pool, and an electric valve inlet stop valve, a salt liquid temporary storage electric valve and an electric valve outlet stop valve are sequentially arranged along the liquid flow direction;
a liquid level meter is arranged on the salt solution temporary storage pool;
the supply pipeline is communicated between the outlet of the dissolving tank and the inlet of the water softener to form two parallel supply branches, and a supply pump inlet stop valve, a salt liquid supply pump, a supply pump outlet check valve and a supply pump outlet stop valve are sequentially arranged on each section of supply branch along the liquid flow direction;
the device also comprises a PLC controller.
Furthermore, the circulating pump inlet stop valve, the circulating pump outlet stop valve, the reflux valve inlet stop valve, the reflux valve outlet stop valve, the electric valve inlet stop valve, the electric valve outlet stop valve, the supply pump inlet stop valve and the supply pump outlet stop valve are all set to be normally open.
Compared with the prior art, the utility model discloses beneficial effect embodies:
the utility model discloses set up salt solution concentration detection appearance on the drain pipe of dissolving tank to salt solution temporary storage pond transport salt solution, but real-time detection salt solution concentration, with the return line of dissolving tank, the feed liquor pipeline of keeping in of salt solution temporary storage pond cooperatees, return the dissolving tank through the return line when concentration is unqualified, get into the salt solution temporary storage pond when concentration is qualified, supply sodium ion exchanger regeneration, improve the management and control ability of sodium ion exchanger regeneration salt solution concentration, help in time discovering the operation process salt solution concentration unqualified, avoid causing sodium ion exchanger regeneration inadequately because of regeneration salt solution concentration is unqualified, cause the water waste, energy saving and emission reduction effect is better.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic diagram of the circuit structure of the present invention.
In the figure, 1 dissolving tank; 2 temporarily storing the salt solution in a pool; 3, a water softener; 4 a liquid outlet pipeline; 5 a stop valve at the inlet of the circulating pump; 6 a salt solution circulating pump; 7 circulating pump outlet check valve; 8, circulating pump outlet stop valve; 9 a salt solution concentration detector; 10 a return line; 11 a return valve inlet stop valve; 12 salt solution reflux electric valve; 13 a return valve outlet stop valve; 14 temporarily storing a liquid inlet pipeline; 15 electric valve inlet stop valve; 16 salt solution temporary storage electric valve; 17 electric valve outlet stop valve; 18 a liquid level meter; 19 a supply line; 20 feed pump inlet shutoff valve; 21 a salt solution supply pump; 22 supply pump outlet check valve; 23 supply pump outlet shutoff valve; 24 a PLC controller; 25 salt solution backflow electric valve closing relay; 26 salt solution reflux electric valve opening relay; 27 opening relay of electric valve for temporary storage of salt solution; 28 electric valve closing relay for temporary storage of salt solution; 29 a salt solution circulating pump contactor I; 30 a salt solution circulating pump contactor II; 31 a salt solution supply pump contactor I; the 32 salt solution is supplied to the second pump contactor.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 2, the concentration detection and control apparatus for the sodium ion exchanger regeneration salt solution dissolution process of the present embodiment includes a dissolution tank 1, a temporary salt solution storage tank 2, a water softener 3, a liquid outlet pipe 4, a return pipe 10, a temporary storage liquid inlet pipe 14, and a supply pipe 19;
one end of a liquid outlet pipeline 4 is connected with an outlet of the dissolving tank 1, the other end of the liquid outlet pipeline is connected with a liquid inlet end of a backflow pipeline 10 and a temporary storage liquid inlet pipeline 14 which are arranged in parallel, two liquid outlet branches which are connected in parallel are formed on the liquid outlet pipeline 4, a circulating pump inlet stop valve 5, a salt liquid circulating pump 6, a circulating pump outlet check valve 7 and a circulating pump outlet stop valve 8 are sequentially arranged on each liquid outlet branch along the liquid flow direction, and a salt liquid concentration detector 9 is arranged between the two liquid outlet branches and the liquid inlet end of the backflow pipeline 10;
the other end of the return pipeline 10 is connected to a return port of the dissolving tank 1, and a return valve inlet stop valve 11, a salt solution return electric valve 12 and a return valve outlet stop valve 13 are sequentially arranged along the liquid flow direction;
the other end of the temporary storage liquid inlet pipeline 14 is connected to an inlet of the temporary salt liquid storage pool 2, and an electric valve inlet stop valve 15, a temporary salt liquid storage electric valve 16 and an electric valve outlet stop valve 17 are sequentially arranged along the liquid flow direction;
a liquid level meter 18 is arranged on the salt solution temporary storage pool 2;
the supply pipeline 19 is communicated between the outlet of the dissolving tank 1 and the inlet of the water softener 3, two parallel supply branches are formed, and a supply pump inlet stop valve 20, a salt liquid supply pump 21, a supply pump outlet check valve 22 and a supply pump outlet stop valve 23 are sequentially arranged on each section of supply branch along the liquid flow direction;
the device also comprises a PLC (programmable logic controller) 24, and the pumps and the valves are respectively connected and controlled by the PLC 24. For example, the PLC controller 24 controls the salt solution return electric valve 12 to be turned on and off through the salt solution return electric valve turn-off relay 25 and the salt solution return electric valve turn-on relay 26, controls the salt solution temporary storage electric valve 16 to be turned on and off through the salt solution temporary storage electric valve turn-on relay 27 and the salt solution temporary storage electric valve turn-off relay 28, controls the two salt solution circulating pumps 6 to be turned on and off through the salt solution circulating pump contactor one 29 and the salt solution circulating pump contactor two 30, and controls the two salt solution supply pumps 21 to be turned on and off through the salt solution supply pump contactor one 31 and the salt solution supply pump contactor two 32.
Further, the circulating pump inlet stop valve 5, the circulating pump outlet stop valve 8, the reflux valve inlet stop valve 11, the reflux valve outlet stop valve 13, the electric valve inlet stop valve 15, the electric valve outlet stop valve 17, the supply pump inlet stop valve 20 and the supply pump outlet stop valve 23 are all set to be normally open.
The working principle is as follows:
the liquid outlet pipeline 4 is provided with two liquid outlet branches, the supply pipeline 19 is provided with two supply branches, the salt liquid circulating pump 6 and the salt liquid supply pump 21 are used and prepared, when the normal operation is carried out, all stop valves on the corresponding branches are opened, if the salt liquid circulating pump 6 or the salt liquid supply pump 21 which is currently operated has faults, the corresponding inlet and inlet stop valves are closed, and the pump outlet is provided with a check valve, so that the salt liquid can be prevented from flowing backwards through the standby pump.
During normal operation, when the liquid level meter 18 of the salt liquid temporary storage tank 2 detects that the liquid level is lower than a preset low liquid level, the salt liquid temporary storage electric valve 16 and the salt liquid circulating pump 6 are opened, salt liquid is extracted from the dissolving tank 1, concentration detection is carried out on the salt liquid through the salt liquid concentration detector 9, when the salt liquid concentration detector 9 detects that the concentration is lower than a preset concentration value, the salt liquid reflux electric valve 12 is opened, the salt liquid temporary storage electric valve 16 is closed, the salt liquid reflows to the dissolving tank 1 through the reflux pipeline 10, solid industrial salt is continuously dissolved, in the salt liquid refluxing process, when the salt liquid concentration detector 9 detects that the concentration meets the preset concentration value requirement, the salt liquid temporary storage electric valve 16 is opened, the salt liquid reflux electric valve 12 is closed, the salt liquid flows into the salt liquid temporary storage tank 2 through the temporary storage liquid inlet pipeline 14, and the sodium ion exchanger is regenerated and used. When the water softener 3 needs to be regenerated, the salt solution supply pump 21 is started to supply the salt solution in the salt solution temporary storage tank 2 to the water softener 3 through the supply pipeline 19. When the liquid level meter 18 of the salt solution temporary storage pool 2 detects that the liquid level reaches the upper limit, the salt solution circulating pump 6 stops running.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (2)
1. A concentration detection and control device for a sodium ion exchanger regenerated salt solution dissolving process is characterized in that:
the system comprises a dissolving tank, a temporary salt solution storage tank, a water softener, a liquid outlet pipeline, a return pipeline, a temporary liquid inlet pipeline and a supply pipeline;
one end of the liquid outlet pipeline is connected with the outlet of the dissolving tank, the other end of the liquid outlet pipeline is connected with the liquid inlet ends of the reflux pipeline and the temporary storage liquid inlet pipeline which are arranged in parallel, two liquid outlet branches which are connected in parallel are formed on the liquid outlet pipeline, a circulating pump inlet stop valve, a salt solution circulating pump, a circulating pump outlet check valve and a circulating pump outlet stop valve are sequentially arranged on each liquid outlet branch along the liquid flow direction, and a salt solution concentration detector is arranged between the two liquid outlet branches and the liquid inlet end of the reflux pipeline;
the other end of the return pipeline is connected to a return port of the dissolving tank, and a return valve inlet stop valve, a salt solution return electric valve and a return valve outlet stop valve are sequentially arranged along the liquid flow direction;
the other end of the temporary storage liquid inlet pipeline is connected to an inlet of the salt liquid temporary storage pool, and an electric valve inlet stop valve, a salt liquid temporary storage electric valve and an electric valve outlet stop valve are sequentially arranged along the liquid flow direction;
a liquid level meter is arranged on the salt solution temporary storage pool;
the supply pipeline is communicated between the outlet of the dissolving tank and the inlet of the water softener to form two parallel supply branches, and a supply pump inlet stop valve, a salt liquid supply pump, a supply pump outlet check valve and a supply pump outlet stop valve are sequentially arranged on each section of supply branch along the liquid flow direction;
the device also comprises a PLC controller.
2. The device for detecting and controlling the concentration of the sodium ion exchanger regenerated salt solution in the dissolving process according to claim 1, which is characterized in that: the circulating pump inlet stop valve, the circulating pump outlet stop valve, the reflux valve inlet stop valve, the reflux valve outlet stop valve, the electric valve inlet stop valve, the electric valve outlet stop valve, the supply pump inlet stop valve and the supply pump outlet stop valve are all set to be normally open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221792925.0U CN217484758U (en) | 2022-07-12 | 2022-07-12 | Concentration detection and control device for sodium ion exchanger regenerated salt solution dissolving process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221792925.0U CN217484758U (en) | 2022-07-12 | 2022-07-12 | Concentration detection and control device for sodium ion exchanger regenerated salt solution dissolving process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217484758U true CN217484758U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221792925.0U Active CN217484758U (en) | 2022-07-12 | 2022-07-12 | Concentration detection and control device for sodium ion exchanger regenerated salt solution dissolving process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217484758U (en) |
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2022
- 2022-07-12 CN CN202221792925.0U patent/CN217484758U/en active Active
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