CN215782762U - High-precision brine proportioning device for sodium hypochlorite generator - Google Patents
High-precision brine proportioning device for sodium hypochlorite generator Download PDFInfo
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- CN215782762U CN215782762U CN202122359722.4U CN202122359722U CN215782762U CN 215782762 U CN215782762 U CN 215782762U CN 202122359722 U CN202122359722 U CN 202122359722U CN 215782762 U CN215782762 U CN 215782762U
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Abstract
The utility model relates to the technical field of electrolytic equipment, in particular to a high-precision brine proportioning device for a sodium hypochlorite generator, which comprises a water pump, a valve, a tank body, a brine concentration detector, a first pipeline, a second pipeline and a third pipeline, wherein the water pump is connected with the water pump; the inside of the tank body comprises a salt storage area and a salt dissolving area; the water outlet of the water pump is communicated with the water inlet of the tank body through the first pipeline, and the water inlet of the tank body is arranged between the salt storage area and the salt dissolving area; the water outlet of the water pump is communicated with the water inlet of the brine concentration detector through the second pipeline; the water outlet of the tank body is communicated with the water inlet of the brine concentration detector through the third pipeline; the valve is arranged on the first pipeline. The tank body can be completely filled with solid salt, so that the filling proportion of the solid salt is greatly improved, the concentration of the dissolved brine is effectively controlled through the cooperation of the brine concentration detector and the valve, and the stability of the electrolysis effect is ensured.
Description
Technical Field
The utility model relates to the technical field of electrolysis equipment, in particular to a high-precision brine proportioning device for a sodium hypochlorite generator.
Background
The sodium hypochlorite generator is mainly applied to the sterilization and disinfection fields of tap water and sewage, and the equipment uses salt solution as raw materials and generates sodium hypochlorite solution through electrolytic reaction. In the production and preparation process of the sodium hypochlorite generator, the electrolysis efficiency of the sodium hypochlorite generator comprises the ratio of the unit available chlorine generation amount to the salt usage amount and the ratio of the unit available chlorine generation amount to the electricity consumption amount, which are influenced by the stability of the concentration of the raw material brine and the stability of the water flow.
In the prior art, a sodium hypochlorite generator adopts a large salt dissolving tank to dissolve saturated salt water, and water occupies most of the volume of the whole salt tank, so that solid salt cannot be added in a large amount, the volume of the salt dissolving tank is large, and the occupied area is large; meanwhile, the water flow and the brine concentration are easily interfered by external factors, so that the salt preparation effect is difficult to stabilize, the electrolysis efficiency is high and low, and the concentration of the generated sodium hypochlorite solution is also high and low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the high-precision brine proportioning device for the sodium hypochlorite generator, solid salt can be completely filled in a tank body, the filling proportion of the solid salt is greatly improved, the occupied area is reduced, meanwhile, the concentration of the dissolved brine is effectively controlled through the cooperation of a brine concentration detector and a valve, and the stability of the electrolysis effect is ensured.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a high-precision brine proportioning device for a sodium hypochlorite generator comprises a water pump, a valve, a tank body, a brine concentration detector, a first pipeline, a second pipeline and a third pipeline;
the inside of the tank body comprises a salt storage area and a salt dissolving area, and the salt dissolving area is arranged below the salt storage area;
the water outlet of the water pump is communicated with the water inlet of the tank body through the first pipeline, and the water inlet of the tank body is arranged between the salt storage area and the salt dissolving area; the water outlet of the water pump is communicated with the water inlet of the brine concentration detector through the second pipeline; the water outlet of the tank body is communicated with the water inlet of the brine concentration detector through the third pipeline, and the water outlet of the tank body is arranged at the bottom of the salt storage area;
the valve is arranged on the first pipeline.
Preferably, a filter screen is arranged at a water outlet of the salt dissolving area.
Preferably, the aperture of the filter screen is 30-50 meshes.
Preferably, the valve is an electric control valve.
Preferably, the device further comprises a PLC controller, and the PLC controller is electrically connected with the water pump, the valve and the saline concentration detector respectively.
Preferably, the upper part of the tank body is a cylinder, and the lower part of the tank body is a cone.
Preferably, the ratio of the height of the cone to the bottom surface of the cylinder is 1 (2-3).
Preferably, the volume of the salt storage area is 0.05-5 m3And the volume of the salt dissolving area is 10-50L.
Preferably, the height of the salt dissolving area is 20-100 cm.
Compared with the prior art, the utility model has the beneficial effects that:
1. the tank body provided by the utility model changes the effect that water in the whole salt tank occupies most of the volume in the prior art, and comprises a salt storage area and a salt dissolving area, and the salt storage area occupies most of the volume of the whole tank body.
2. The brine concentration detector provided by the utility model can detect the concentration of the brine flowing out of the water outlet of the salt dissolving area, and the purpose of timely adjusting the concentration of the proportioned brine is achieved by comparing the concentration with the range value set by the detector.
3. The PLC controller controls the electric regulating valve to regulate the opening degree of the valve position through a signal of 4-20mA, so that the water flow entering the tank body from the first pipeline has the characteristic of stability.
Drawings
Fig. 1 is a schematic structural diagram of a high-precision brine proportioning device for a sodium hypochlorite generator in embodiment 1 of the utility model;
fig. 2 is a schematic structural diagram of a high-precision brine proportioning device for a sodium hypochlorite generator in embodiment 2 of the utility model;
description of reference numerals: 1. a water pump; 2. a valve; 3. a tank body; 4. a brine concentration detector; 5. a PLC controller; 6. a first conduit; 7. a second conduit; 8. a third pipeline; 301. a salt storage area; 302. and a salt dissolving area.
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.
Example 1
Referring to fig. 1, the embodiment provides a high-precision brine proportioning device for a sodium hypochlorite generator, which includes a water pump 1, a valve 2, a tank 3, a brine concentration detector 4, a first pipeline 6, a second pipeline 7 and a third pipeline 8;
the interior of the tank body 3 comprises a salt storage area 301 and a salt dissolving area 302, and the salt dissolving area 302 is arranged below the salt storage area 301; store upThe volume of the salt region 301 is 0.05-5 m3The volume of the salt dissolving zone 302 is 10-50L; the height of the salt dissolving area 302 is 20-100 cm.
The salt storage area and the salt dissolving area separate solid salt in the tank body, the salt storage area is dry solid salt, and the solid salt is dissolved in the salt dissolving area.
The water outlet of the water pump 1 is communicated with the water inlet of the tank body 3 through a first pipeline 6, and the water inlet of the tank body 3 is arranged between the salt storage area 301 and the salt dissolving area 302; the water outlet of the water pump 1 is communicated with the water inlet of the brine concentration detector 4 through a second pipeline 7; the water outlet of the tank body 3 is communicated with the water inlet of the brine concentration detector 4 through a third pipeline 8, and the water outlet of the tank body 3 is arranged at the bottom of the salt storage area 301.
The water inlet of the tank body is arranged at the joint of the salt storage area and the salt dissolving area, so that the introduced water only occupies a very small part of the tank body, the tank body with the same volume can contain more solid salt, the supplement at any time due to insufficient salt supply in the electrolysis process is not needed, and the manpower is saved.
The valve 2 is arranged on the first pipeline 6, and the valve 2 is an electric regulating valve.
Only when the brine is mixed, the water pump is started, the water amount pumped by the water pump is set and is distributed to the tank body and the second pipeline according to the proportion, and the specific proportion is controlled by the valve on the first pipeline.
A filter screen is arranged at a water outlet of the salt dissolving area 302, and the aperture of the filter screen is 30-50 meshes.
The setting of filter screen can prevent that undissolved solid salt from flowing along the delivery port of dissolving the salt district, gets into the solid salt of dissolving of the jar body, after the filter screen filtration of dissolving the salt district bottom, flows to the third pipeline through the delivery port automatically.
The upper part of the tank body 3 is a cylinder, and the lower part is a cone; the ratio of the height of the cone to the bottom surface of the cylinder is 1 (2-3).
The design of the tank body can contain more solid salt to the maximum extent, and water only occupies a small volume of the tank body.
Example 2
Referring to fig. 2, the same technical features of embodiment 2 as those of embodiment 1 are not described again, and the different technical features are as follows: the utility model provides a sodium hypochlorite generator is with high accuracy salt solution proportioning device still includes PLC controller 5, and PLC controller 5 is connected with water pump 1, valve 2 and 4 electricity of salt solution concentration detection appearance.
The brine concentration detector is used for detecting the concentration value of brine flowing out of the tank body, brine dissolved in the tank body enters the brine concentration detector, the brine concentration is transmitted to the PLC through a 4-20mA signal, the PLC compares the received numerical value with a set value, and if the numerical value deviates from the set value, the PLC controls the electric regulating valve to regulate the supply amount of clean water in the tank body through the 4-20mA signal.
When the PLC controller operates, firstly, the brine concentration data in the brine concentration detector is received in a scanning mode and is respectively stored in the I/O mapping area, then the user programs are read from the user program memory one by one, and the user programs are sent into the I/O mapping area or the data register according to the specified execution logic or arithmetic operation result of the instructions after command interpretation. And after all the user programs are executed, finally transmitting each output state of the I/O mapping area or the data in the output register, and repeating the steps until the equipment stops running.
The high-precision brine proportioning device for the sodium hypochlorite generator provided by the utility model is used for testing the brine concentration, the water flow and the system operation respectively, and the test effect is as follows.
Test 1: concentration of brine
The PLC controller sets the brine concentration to be 30g/L, the brine concentration detector detects that the brine concentration is only 28g/L in the operation process, the brine concentration detector transmits a 4-20mA signal to the PLC controller at the moment, the PLC controller transmits the 4-20mA signal to the electric regulating valve to increase the valve opening after comparing with the set concentration, so that the brine outflow of the tank body is increased, the brine concentration detector detects in real time at the moment, and the PLC controller stops regulating after the brine concentration reaches the set value. Through calibration detection, the fluctuation rate of the brine concentration is 30g/L +/-2.5%, and the concentration is stable.
Test 2: concentration of brine
The PLC sets the brine concentration to be 25g/L, the brine concentration detector detects that the brine concentration is only 20g/L in the operation process, the brine concentration detector transmits a 4-20mA signal to the PLC at the moment, the PLC transmits the 4-20mA signal to the electric regulating valve to regulate the opening of the valve after comparing with the set concentration so as to increase the brine outflow of the salt dissolving tank, the brine concentration detector detects in real time at the moment, and the PLC stops regulating after the brine concentration reaches the set concentration. Through calibration detection, the fluctuation rate of the brine concentration is 25g/L +/-2.5%, and the concentration is stable.
Test 3: water flow rate
The height of the cone is 200mm, the diameter of the bottom surface of the cylinder is 600mm, and the height-diameter ratio is 1: 3; the height of the salt dissolving area is 40 cm; when the flow of the water pump is set to be 40L/h by the PLC, the frequency of the corresponding water pump is 20 HZ; when the flow of the water pump is 50L/h, the frequency of the corresponding water pump is 25 HZ; when the flow rate of the water pump is 60L/h, the frequency of the corresponding water pump is 30 HZ. When the sodium hypochlorite generator needs 60L/h flow by using the high-precision saline water proportioning device, the PLC transmits a water supply pump through a 4-20mA signal at the moment, so that the water supply pump runs at the frequency of 30HZ, the flow fluctuation rate is 60L/h +/-5% through calibration and detection, and the flow is stable.
Test 4: operation of the system
The height of the cone is 200mm, the diameter of the bottom surface of the cylinder is 600mm, and the height-diameter ratio is 1: 3; the height of the salt dissolving area is 100 cm; the water inlet pipeline of the tank body is 0.3 m higher than the liquid outlet pipeline of the sodium hypochlorite generator; at this point the solid salt fills the tank. At this time, the flow rate of the water pump was set to 60L/h, and the brine concentration was set to 30 g/L. At the moment, the system can stably reach the control parameter requirement of 30g/L +/-2.5% through the detection system of the saline concentration detector after continuously running for 30 days without stopping, and the system runs stably.
Test 5: operation of the system
The height of the cone is 200mm, the diameter of the bottom surface of the cylinder is 400mm, and the height-diameter ratio is 1: 2; the height of the salt dissolving area is 80 cm; the water inlet pipeline of the tank body is 0.5 m higher than the liquid outlet pipeline of the sodium hypochlorite generator; at this point the solid salt fills the tank. At this time, the flow rate of the water pump was set to 60L/h, and the brine concentration was set to 30 g/L. At the moment, the system can stably reach the control parameter requirement of 30g/L +/-2.5% through the detection system of the saline concentration detector after continuously running for 30 days without stopping, and the system runs stably.
The working principle and the process of the utility model are as follows:
firstly, running water enters a water pump 1 through a running water pipe, the water pump 1 is used as a power source to divide the running water into two paths of water, one path of water is used as dissolved salt water and enters a tank body 3 along a first pipeline 6 to be used as a water source required by the tank body 3 for dissolving high-concentration solid salt; the other path of water is used as dilution water and is mixed with the high-concentration brine dissolved in the tank body 3 in a non-fixed proportion;
the brine diluted in the second step enters the brine concentration detector 4 along the third pipeline 8, and the brine concentration is transmitted to the PLC 5 through a 4-20mA signal;
thirdly, in the PLC 5, the saline concentration data transmitted to the PLC 5 by the saline concentration detector 4 is received in a scanning mode and stored in an I/O mapping area, and after command interpretation, the result of logic or arithmetic operation is executed according to the specification of an instruction, the data is compared with the set data and is sent into a data register;
checking contrast data on a display screen in the PLC 5, if the contrast data deviates from a set value, controlling the opening of the valve 2 through a 4-20mA signal, and further adjusting the water flow flowing into the tank body 3;
and fifthly, conveying the brine flowing out of the tank body 3 to an electrolytic electrode of a sodium hypochlorite generator for electrolysis after the brine meets the set range value of the brine concentration.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a sodium hypochlorite is high accuracy salt solution proportioning device for generator which characterized in that: comprises a water pump (1), a valve (2), a tank body (3), a brine concentration detector (4), a first pipeline (6), a second pipeline (7) and a third pipeline (8);
the inner part of the tank body (3) comprises a salt storage area (301) and a salt dissolving area (302), and the salt dissolving area (302) is arranged below the salt storage area (301);
a water outlet of the water pump (1) is communicated with a water inlet of the tank body (3) through the first pipeline (6), and a water inlet of the tank body (3) is arranged between the salt storage area and the salt dissolving area; the water outlet of the water pump (1) is communicated with the water inlet of the brine concentration detector (4) through the second pipeline (7); a water outlet of the tank body (3) is communicated with a water inlet of the brine concentration detector (4) through the third pipeline (8), and a water outlet of the tank body (3) is arranged at the bottom of the salt storage area (301);
the valve (2) is arranged on the first pipeline (6).
2. The high-precision brine proportioning device for the sodium hypochlorite generator as claimed in claim 1, wherein: a filter screen is arranged at the water outlet of the salt dissolving area (302).
3. The high-precision brine proportioning device for the sodium hypochlorite generator as claimed in claim 2, wherein: the aperture of the filter screen is 30-50 meshes.
4. The high-precision brine proportioning device for the sodium hypochlorite generator as claimed in claim 1, wherein: the valve (2) is an electric regulating valve.
5. The high-precision brine proportioning device for the sodium hypochlorite generator as claimed in claim 1, wherein: the device further comprises a PLC (programmable logic controller) (5), wherein the PLC (5) is respectively electrically connected with the water pump (1), the valve (2) and the saline concentration detector (4).
6. The high-precision brine proportioning device for the sodium hypochlorite generator as claimed in claim 1, wherein: the upper part of the tank body (3) is a cylinder, and the lower part is a cone.
7. The high-precision brine proportioning device for the sodium hypochlorite generator as claimed in claim 6, wherein: the diameter ratio of the height of the cone to the bottom surface of the cylinder is 1 (2-3).
8. The high-precision brine proportioning device for the sodium hypochlorite generator as claimed in claim 1, wherein: the volume of the salt storage area is 0.05-5 m3And the volume of the salt dissolving area is 10-50L.
9. The high-precision brine proportioning device for the sodium hypochlorite generator as claimed in claim 8, wherein: the height of the salt dissolving area is 20-100 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122359722.4U CN215782762U (en) | 2021-09-28 | 2021-09-28 | High-precision brine proportioning device for sodium hypochlorite generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122359722.4U CN215782762U (en) | 2021-09-28 | 2021-09-28 | High-precision brine proportioning device for sodium hypochlorite generator |
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| CN215782762U true CN215782762U (en) | 2022-02-11 |
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| CN202122359722.4U Active CN215782762U (en) | 2021-09-28 | 2021-09-28 | High-precision brine proportioning device for sodium hypochlorite generator |
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