CN214142556U - Distribution system for preparing sodium hypochlorite - Google Patents
Distribution system for preparing sodium hypochlorite Download PDFInfo
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- CN214142556U CN214142556U CN202120065345.0U CN202120065345U CN214142556U CN 214142556 U CN214142556 U CN 214142556U CN 202120065345 U CN202120065345 U CN 202120065345U CN 214142556 U CN214142556 U CN 214142556U
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Abstract
The utility model discloses a distribution system for preparing sodium hypochlorite, wherein the inlet of a clear water tank is communicated with a pipeline for inputting clear water, the clear water tank is communicated with a salt dissolving tank through the pipeline provided with a water replenishing pump, a salt taking opening of the salt dissolving tank is communicated with a metering pump through the pipeline, a water taking opening of the clear water tank 1 is communicated with a clear water pump through the pipeline, and the outlets of the clear water pump and the metering pump are communicated with the input opening of an electrolytic cell after being converged through the pipeline provided with a valve; the input port of the electrolytic cell is communicated with a sampling valve A with an empty outlet; the outlet of the electrolytic cell is communicated with the medicine storage tank through a pipeline provided with a valve, and the pipeline is communicated with a sampling valve B with an empty outlet. The dilute brine salt concentration before the electrolytic reaction is adjusted by sampling and detecting the dilute brine salt concentration before the reaction from the sampling valve A and changing the flow of the clean water pump and the metering pump, and the sodium hypochlorite liquid produced by the reaction is sampled and detected from the sampling valve B, so that the problem that the prior system cannot measure the dilute brine mixed by the sodium hypochlorite, the input salt and the water is solved.
Description
Technical Field
The utility model relates to a preparation sodium hypochlorite's distribution system belongs to pipeline distribution system technical field.
Background
Sodium hypochlorite (chemical formula is NaClO) is an inorganic substance commonly used for bleaching, sterilizing and disinfecting water, the sodium hypochlorite can be prepared by mixing salt (NaCl) and water and then electrolyzing, the quality of a finished product of sodium hypochlorite liquid is determined by the salt concentration of the input salt (NaCl) mixed with the water, the current of electrolytic reaction and the like, a distribution system (such as a device for preparing the sodium hypochlorite and the sodium hypochlorite by non-diaphragm type circular electrolysis disclosed by the Chinese patent No. 2013103468697) for preparing the sodium hypochlorite at present cannot obtain the sodium hypochlorite and the liquid mixed with the input salt (NaCl) and the water for measurement, and cannot control the product quality of the sodium hypochlorite liquid.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a distribution system for preparing sodium hypochlorite.
The utility model discloses a following technical scheme can realize.
The utility model provides a pair of preparation sodium hypochlorite's distribution system, include: a clear water tank, a salt dissolving tank, an electrolytic bath and a medicine storage tank;
the inlet of the clean water tank is communicated with a pipeline for inputting clean water, the clean water tank is communicated with the salt dissolving tank through a pipeline provided with a water replenishing pump, the salt taking port of the salt dissolving tank is communicated with the metering pump through a pipeline, the water taking port of the clean water tank 1 is communicated with the clean water pump through a pipeline, and the outlets of the clean water pump and the metering pump are communicated with the input port of the electrolytic cell after being converged through a pipeline provided with a valve;
the input port of the electrolytic cell is communicated with a sampling valve A with an empty outlet;
the outlet of the electrolytic cell is communicated with the medicine storage tank through a pipeline provided with a valve, and the pipeline is communicated with a sampling valve B with an empty outlet.
The beneficial effects of the utility model reside in that: sampling and detecting the salt concentration of the dilute brine before reaction from a sampling valve A, adjusting the salt concentration of the dilute brine before electrolytic reaction by changing the flow of a clean water pump and a metering pump, sampling and detecting the sodium hypochlorite liquid produced by reaction from a sampling valve B, and adjusting the dilute brine configured by the clean water pump and the metering pump so as to obtain feedback and adjust the product quality of the sodium hypochlorite liquid to control; the electrolytic cell is regularly washed by the washing pipe connected with the outlet of the electrolytic cell, so that the problems that the conventional system cannot measure the dilute saline water mixed with the sodium hypochlorite and the input salt and the water, and the scaling and pickling frequency of the electrolytic cell accumulated on the electrode plate for a long time is high are solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-a clear water tank; 2-salt dissolving box; 3-an electrolytic cell; 4-a medicine storage tank; 5-water replenishing pump; 6-a metering pump; 7-a clean water pump; 8-sampling valve A; 9-temperature switch; 10-sampling valve B; 11-a ball float valve; 41-liquid level switch.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1.
The utility model discloses a preparation sodium hypochlorite's distribution system, include: the device comprises a clear water tank 1 for storing clear water, a salt dissolving tank 2 for dissolving and storing sodium chloride, an electrolytic bath 3 for electrolyzing a solution obtained by mixing sodium chloride and water to generate a hypochlorous acid solution, and a medicine storage tank 4 for storing the hypochlorous acid solution;
an inlet of the clean water tank 1 is communicated with a pipeline for inputting clean water, the clean water tank 1 is communicated with the salt dissolving tank 2 through a pipeline provided with a water replenishing pump 5, a salt taking port of the salt dissolving tank 2 is communicated with a metering pump 6 for pumping salt water through a pipeline, a water taking port of the clean water tank 1 is communicated with the clean water pump 7 through a pipeline, outlets of the clean water pump 7 and the metering pump 6 are communicated with an input port of the electrolytic cell 3 after being converged through a pipeline provided with a valve;
the input port of the electrolytic cell 3 is communicated with the inlet of a sampling valve A8 for sampling dilute brine, and the outlet of a sampling valve A8 is vacant;
the outlet of the electrolytic cell 3 is communicated with the medicine storage tank 4 through a pipeline provided with a valve, the pipeline is communicated with a sampling valve B10 inlet for sampling sodium hypochlorite solution, and the outlet of the sampling valve B10 is vacant.
A pipeline for discharging gases such as hydrogen and the like to the outside is communicated with an outlet at the top of the medicine storage tank 4; liquid level switches 41 are respectively arranged at the upper, middle and lower parts of the upper inner wall of the medicine storage tank 4, and the liquid level switches 41 detect the liquid level of the medicine storage tank 4; the top and the bottom of the medicine storage tank 4 are communicated with pipelines provided with valves and connected to an external drainage ditch.
Install temperature switch 9 in the electrolysis trough 3, temperature switch 9 and clean water pump 7 and measuring pump 6's power cord electric connection, temperature switch 9 detects the liquid temperature in the electrolysis trough 3, controls getting electric and cutting off the power supply of clean water pump 7 and measuring pump 6 to whether control clean water pump 7 and measuring pump 6 are opened or are closed. The temperature switch 9 can be replaced with a temperature detector for use.
The outlet of the electrolytic cell 3 is communicated with a flushing pipe, the middle part of the flushing pipe is communicated with a pipeline for inputting clean water through a pipeline provided with a valve, when the electrolytic cell 3 is normally electrolyzed, hydrogen generated by electrolysis is discharged out of a room through the flushing pipe, explosion hidden danger caused by overhigh hydrogen concentration is prevented, meanwhile, chlorine generated during electrolysis is partially not dissolved in water and is discharged out of the room along with the flushing pipe, poisoning caused by overhigh chlorine concentration is prevented, and scaling on the electrode plate is partially dropped through a flushing mode of the flushing pipe after electrolysis for a certain time, so that the problem of electrolytic reaction caused by serious impression of too-scaling of the electrode plate is reduced.
The inlet of the electrolytic cell 3 is communicated with a valve for discharging and emptying liquid, the outlet of the valve is communicated with an external drainage ditch, and the emptying valve is opened during flushing to discharge dirt washed by the electrode plate out of the electrolytic cell 3.
Liquid level switches are arranged on the inner walls of the middle part and the upper part in the salt dissolving tank 2, and the electrical output end of the liquid level switch at the upper part is connected with a power supply of the water replenishing pump 5 in series to control the on-off of the water replenishing pump 5; the liquid level switch electrical output end in the middle part is electrically connected with a display device, such as a display lamp, and displays the liquid level state.
The lowest position of the salt dissolving tank 2 is communicated with a valve, and a water outlet of the valve is communicated with an external drainage ditch through a pipeline; the highest communication pipeline of the salt dissolving tank 2 is communicated with an external drainage ditch, and liquid overflowing from the salt dissolving tank 2 is drained.
In order to control the clean water of the clean water tank 1, a float valve 11 is arranged at the inlet of the clean water input of the clean water tank 1, and the water quantity of the clean water input in the clean water tank 1 is automatically controlled through the float valve 11.
In order to facilitate the drainage of the clean water tank 1 during cleaning, the lowest position of the clean water tank 1 is communicated with a valve, and a water outlet of the valve is communicated with an external drainage ditch through a pipeline.
In order to detect the water level at the bottom of the clean water tank 1, a liquid level switch is installed at the bottom of the clean water tank 1, and the liquid level switch is connected in series on a display device, such as a display lamp, to detect the low water level of the clean water tank 1.
The liquid level switch that uses among the technical scheme can be replaced and use for level sensor, and level sensor electric connection is to control system.
The pipeline for inputting clear water supplies water to the clear water tank 1, the water level in the clear water tank 1 is controlled by the ball float valve 11 to be fixed, and automatic water supplement is carried out on the clear water tank 1;
a liquid level switch at the upper part in the salt dissolving tank 2 detects the water level, and controls a water replenishing pump 5 to pump water to automatically replenish the water in the salt dissolving tank 2;
when four conditions that the clear water tank 1 is higher than the low liquid level, the salt solution in the salt dissolving tank 2 is higher than the medium liquid level, the drug storage tank 4 is lower than the medium liquid level and the temperature of the electrolyte in the electrolytic cell 3 is lower than 45 ℃ are met, adjusting the strong brine output by the clear water pump 7 and the metering pump 6 to be mixed with the clear water to prepare 3-5% of the electrolyte, and flowing into the electrolytic cell 3 for electrolysis;
in the electrolytic cell 3, the electrolytic cell 3 is electrified with high-frequency direct current to carry out electrolytic reaction in the electrolytic cell 3 to generate sodium hypochlorite dissolved salt, the generated hypochlorous acid solution enters the medicine storage tank 4 to be stored, and hydrogen is discharged to the atmosphere.
Sampling and detecting the salt concentration of the dilute saline before reaction from a sampling valve A8, adjusting the salt concentration of the dilute saline before electrolytic reaction by changing the flow rate of a clean water pump 7 and a metering pump 6, sampling and detecting the sodium hypochlorite liquid produced by reaction from a sampling valve B10, and adjusting the dilute saline configured by the clean water pump 7 and the metering pump 6 so as to obtain feedback and adjust the product quality of the sodium hypochlorite liquid to control; the washing pipe connected with the outlet of the electrolytic cell 3 is used for washing the electrolytic cell regularly, so that the problems that the conventional system cannot measure the dilute saline water mixed with sodium hypochlorite and input salt and water, and the scaling and pickling frequency of the electrolytic cell accumulated on the electrode plate for a long time is high are solved.
When the running time of the electrolytic reaction is accumulated for a certain time, the equipment is washed, and the equipment stops working when being washed until the washing is finished; when the equipment is washed, a valve on a pipeline communicated with the medicine storage tank 4 and the electrolytic tank 3 and a valve on an input pipeline of the electrolytic tank 3 are closed simultaneously, a washing pipe communicated with an outlet of the electrolytic tank 3 and valves on a pipeline communicated with an input clear water pipeline, a clear water pump 7 and a valve emptying from an outlet of the metering pump 6 are opened, and the washing operation is finished within 1 minute; after the running time of the equipment is accumulated for a certain time, the electrolytic bath is processed by electrode reversing, and the electrolytic power supply is connected with the positive electrode and the negative electrode of the electrolytic bath to exchange directions.
Claims (10)
1. A distribution system for the production of sodium hypochlorite, comprising: a clear water tank (1), a salt dissolving tank (2), an electrolytic bath (3) and a medicine storage tank (4);
an inlet of the clean water tank (1) is communicated with a pipeline for inputting clean water, the clean water tank (1) is communicated with the salt dissolving tank (2) through a pipeline provided with a water replenishing pump (5), a salt water taking port of the salt dissolving tank (2) is communicated with the metering pump (6) through a pipeline, a water taking port of the clean water tank (1) is communicated with the clean water pump (7) through a pipeline, outlets of the clean water pump (7) and the metering pump (6) are communicated with an input port of the electrolytic bath (3) after being converged through a pipeline provided with a valve;
the input port of the electrolytic cell (3) is communicated with a sampling valve A (8) with an empty outlet;
the outlet of the electrolytic cell (3) is communicated with the medicine storage tank (4) through a pipeline provided with a valve, and a sampling valve B (10) with an empty outlet is communicated on the pipeline.
2. A distribution system for the production of sodium hypochlorite, as claimed in claim 1, wherein: an outlet at the top of the medicine storage tank (4) is communicated with a pipeline; the upper, middle and lower parts of the upper inner wall of the medicine storage tank (4) are respectively provided with a liquid level switch (41) for detecting the liquid level of the medicine storage tank (4); the top and the bottom of the medicine storage tank (4) are communicated with a pipeline provided with valves and connected to an external drainage ditch.
3. A distribution system for the production of sodium hypochlorite, as claimed in claim 1, wherein: install temperature switch (9) in electrolysis trough (3), temperature switch (9) and the power cord electric connection of clarified water pump (7) and measuring pump (6), temperature switch (9) detect the liquid temperature in electrolysis trough (3), control the power and the outage of clarified water pump (7) and measuring pump (6).
4. A distribution system for the production of sodium hypochlorite, as claimed in claim 1, wherein: the outlet of the electrolytic cell (3) is communicated with a flushing pipe, and the middle part of the flushing pipe is communicated with a pipeline for inputting clean water through a pipeline provided with a valve.
5. The distribution system for the production of sodium hypochlorite according to claim 4, characterized in that: the inlet of the electrolytic cell (3) is communicated with a valve for discharging and emptying liquid, and the outlet of the valve is communicated with an external drainage ditch.
6. A distribution system for the production of sodium hypochlorite, as claimed in claim 1 or 5, characterized in that: liquid level switches are arranged on the inner walls of the middle part and the upper part in the salt dissolving tank (2), the electrical output end of the liquid level switch at the upper part is connected with a power supply of the water replenishing pump (5) in series, and the on-off of the water replenishing pump (5) is controlled; the liquid level switch electrical output end in the middle part is electrically connected with the display equipment.
7. The distribution system for the production of sodium hypochlorite according to claim 6, characterized in that: the lowest position of the salt dissolving box (2) is communicated with a valve; the highest position of the salt dissolving box (2) is communicated with a pipeline to an external drainage ditch.
8. A distribution system for the production of sodium hypochlorite, as claimed in claim 1, wherein: and a float valve (11) for controlling the input water quantity of the clear water is arranged at the clear water input inlet of the clear water tank (1).
9. A distribution system for the production of sodium hypochlorite, as claimed in claim 1 or 8, characterized in that: the lowest position of the clear water tank (1) is communicated with the valve, and a valve water outlet is communicated with an external drainage ditch through a pipeline.
10. A distribution system for the production of sodium hypochlorite, as claimed in claim 1, wherein: and a liquid level switch is installed at the bottom of the clear water tank (1) and is connected in series on the display equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120065345.0U CN214142556U (en) | 2021-01-11 | 2021-01-11 | Distribution system for preparing sodium hypochlorite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120065345.0U CN214142556U (en) | 2021-01-11 | 2021-01-11 | Distribution system for preparing sodium hypochlorite |
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| Publication Number | Publication Date |
|---|---|
| CN214142556U true CN214142556U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120065345.0U Active CN214142556U (en) | 2021-01-11 | 2021-01-11 | Distribution system for preparing sodium hypochlorite |
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| Country | Link |
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| CN (1) | CN214142556U (en) |
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2021
- 2021-01-11 CN CN202120065345.0U patent/CN214142556U/en active Active
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