CN212451660U

CN212451660U - Sodium hypochlorite production equipment

Info

Publication number: CN212451660U
Application number: CN202021297085.1U
Authority: CN
Inventors: 杨洪梅; 曹亮
Original assignee: Weifang Yongxing Environmental Protection Equipment Co ltd
Current assignee: Weifang Yongxing Environmental Protection Equipment Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-02-02
Anticipated expiration: 2030-07-06

Abstract

The utility model provides a sodium hypochlorite produces equipment, including salt dissolving case, salt solution configuration case, electrolytic tank, explosive box, direct current switching power supply and PLC controller, through setting up half diaphragm type first plate electrode and second plate electrode, make the reciprocal flow of salt solution in the electrolytic tank, and the pH value of solution also changes thereupon, directly generate sodium hypochlorite, and spill over from liquid outlet to outside, and the pH value of the antiseptic solution that generates is in more suitable scope, contain the sodium hypochlorite of capacity in the antiseptic solution, more traditional sodium hypochlorite produces equipment, the antiseptic solution disinfection effect of its output is better; in addition, quantitative saturated salt water is added through the siphonage of the salt dissolving tank, and then the salt dissolving tank is diluted to the optimal process concentration, so that the continuous production is realized without manual ingredients.

Description

Sodium hypochlorite production equipment

Technical Field

The utility model relates to a disinfecting equipment technical field specifically is a sodium hypochlorite produces equipment.

Background

The concentration of sodium hypochlorite in the antiseptic solution of traditional sodium hypochlorite production equipment output is not enough, and it is relatively poor to disinfect the effect to need artifical batching can not continuous production.

The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.

Disclosure of Invention

The utility model aims to provide a sodium hypochlorite production device for solving the problems.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a sodium hypochlorite generating device comprises a salt dissolving box, a salt solution preparation box, an electrolytic box, a medicine storage box, a direct current switch power supply and a PLC (programmable logic controller);

the salt melting tank comprises a tank body, a water injection pipe arranged in the tank body, a partition plate, a saline water floating ball, a siphon pipe sleeve, a siphon pipe and a first electromagnetic valve, wherein a water outlet of the first electromagnetic valve is connected with a water inlet of the water injection pipe, and a water inlet of the first electromagnetic valve is connected with a water source through a pipeline;

the water outlet of the siphon is connected with a brine port of the brine preparation tank, the water inlet of the brine preparation tank is connected with a water inlet pipeline, a water metering pump is arranged on the water inlet pipeline, the water inlet pipeline is communicated with a water source through the water metering pump, and a liquid level floating ball is arranged in the brine preparation tank;

the electrolytic tank comprises a shell, and a first electrode plate and a second electrode plate which are arranged in the shell, the shell is provided with a liquid inlet and a liquid outlet, the liquid outlet of the salt liquid configuration box is connected with the liquid inlet of the electrolytic tank through a liquid outlet pipeline, a second electromagnetic valve is arranged on the liquid outlet pipeline, a cavity in the shell forms an electrolytic tank, the first electrode plate and the second electrode plate are made of chloride ion semi-permeable membrane materials, the upper end of the second electrode plate is connected with the inner wall of the upper side of the shell and is electrically connected with the negative electrode of the direct current switch power supply, a channel for liquid circulation is formed between the lower end of the second electrode plate and the inner wall of the lower side of the shell, the lower end of the first electrode plate is connected with the inner wall of the lower side of the shell and;

a medicine storage floating ball is arranged in the medicine storage box, a dosing metering pump is arranged at the top of the medicine storage box, a medicine inlet of the medicine storage box is connected with a medicine outlet of the medicine pumping pump through a pipeline, and a medicine inlet of the medicine pumping pump is connected with a liquid outlet of the electrolytic box through a pipeline;

the PLC controller is connected with the first electromagnetic valve, the second electromagnetic valve, the direct-current switching power supply, the first electrode plate, the second electrode plate, the water metering pump, the drug pumping pump and the dosing metering pump.

Further, the baffle is established in the box and is separated the box inner chamber for salt storage chamber and salt solution room, is equipped with a plurality of through-holes on the baffle, stores up the through-hole intercommunication on through the baffle between salt storage chamber and the salt solution room, and the water injection pipe is established in the salt storage chamber, and the siphon is established in the salt solution room and the water inlet of siphon is than last liquid level low 30mm, and the siphon cover is on the siphon and the import and the lower liquid level parallel and level of siphon cover, and the salt water floater is established in the salt solution room.

Furthermore, openings are formed in the upper side wall and the lower side wall of the shell, the first electrode plate and the second electrode plate extend into the electrolytic cell through the openings formed in the upper side wall and the lower side wall, the liquid inlet and the liquid outlet are respectively located at the left end and the right end of the shell, and the first electrode plate and the second electrode plate are sequentially arranged from the liquid inlet to the liquid outlet.

Further, a pH value detector can be arranged at the liquid outlet and used for detecting the pH value of the solution at the liquid outlet, and the pH value detector is electrically connected with the PLC.

The device enables the salt solution to flow in the electrolytic cell in a reciprocating way by arranging the first electrode plate and the second electrode plate in a semi-diaphragm type, the pH value of the solution is changed, sodium hypochlorite is directly generated and overflows from the liquid outlet, the pH value of the generated disinfectant is in a proper range, the disinfectant contains sufficient sodium hypochlorite, and the disinfection effect of the produced disinfectant is better compared with that of the traditional sodium hypochlorite generating device; in addition, quantitative saturated salt water is added under the siphonage effect of the salt dissolving tank, then the saturated salt water is diluted to the optimal process concentration, the production process of sodium hypochlorite is controlled by the PLC, and continuous production is realized without manual batching.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of a sodium hypochlorite generating apparatus according to a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure of the salt chest of FIG. 1;

FIG. 3 is a schematic view of the construction of the electrolytic tank of FIG. 1;

in the figure: a salt dissolving box 10; a case 11; a salt storage chamber 112; a brine chamber 114; a water injection pipe 12; a partition plate 13; a through hole 130; a saline float 14; a siphon bell 15; a siphon tube 16; a first electromagnetic valve 17; an electrolytic tank 20; a liquid inlet 21; a housing 22; a liquid outlet 23; a first electrode plate 24; a second electrode plate 26; a salt solution preparation tank 30; a liquid level float ball 31; an inlet conduit 32; a liquid outlet pipe 34; a water metering pump 36; a second electromagnetic valve 38; a medicine box 40; a medicine storage float ball 42; an administration metering pump 44; a drug pump 46; a direct-current switching power supply 50; a PLC controller 60.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.

As shown in fig. 1, fig. 2 and fig. 3, a preferred embodiment of the present invention provides a sodium hypochlorite generating apparatus, which includes a salt dissolving tank 10, a salt solution preparing tank 30, an electrolytic tank 20, a medicine storage tank 40, a dc switching power supply 50, and a PLC controller 60.

The salt dissolving tank 10 comprises a tank body 11, a water injection pipe 12, a partition plate 13, a salt water floating ball 14, a siphon sleeve 15, a siphon 16 and a first electromagnetic valve 17.

The box body 11 is made of corrosion-resistant reinforced PVC corrosion-resistant material, the partition plate 13 is arranged in the box body 11 and divides the inner cavity of the box body 11 into a salt storage chamber 112 and a brine chamber 114, a plurality of through holes 130 are arranged on the partition plate 13, and the salt storage chamber 112 is communicated with the brine chamber 114 through the through holes 130 on the partition plate 13; the water injection pipe 12 is arranged in the salt storage chamber 112, the water outlet of the first electromagnetic valve 17 is connected with the water inlet of the water injection pipe 12, the water inlet of the first electromagnetic valve 17 is connected with a water source through a pipeline, the siphon pipe 16 is arranged in the salt water chamber 114, the water inlet of the siphon pipe 16 is 30mm lower than the upper liquid level, the siphon pipe sleeve 15 is sleeved on the siphon pipe 16, the inlet of the siphon pipe sleeve 15 is flush with the lower liquid level, and the salt water floating ball 14 is arranged in the salt water chamber 114.

The water outlet of the siphon 16 is connected with the brine outlet of the brine preparation tank 30, and the salt melting tank 10 and the brine preparation tank 30 keep the liquid level difference required by siphon; the water inlet of salt solution configuration case 30 is connected intake pipe 32, be provided with water metering pump 36 on the intake pipe 32, intake pipe 32 passes through water metering pump 36 intercommunication water source, water metering pump 36 can the accurate control get into the flow and the velocity of flow of the water in salt solution configuration case 30, water metering pump 36 is connected with PLC controller 60 electricity, PLC controller 60 is through opening, closing and the flow of built-in program control water metering pump 36, be equipped with liquid level floater 31 in the salt solution configuration case 30.

The electrolytic tank 20 includes a case 22, and a first electrode plate 24 and a second electrode plate 26 provided in the case 22.

In this embodiment, the housing 22 is made of an insulating material, and the inner wall of the housing 22 is provided with an anti-corrosion layer, which is provided to enhance the corrosion resistance of the entire housing 22 against acid, alkali and salt, and to prolong the service life thereof. The housing 22 has a liquid inlet 21 and a liquid outlet 23, and the liquid inlet 21 and the liquid outlet 23 are respectively located at the left and right ends of the housing 22. The liquid outlet of the salt solution configuration box 30 is connected with the liquid inlet 21 of the electrolytic box 20 through a liquid outlet pipeline 34, and a second electromagnetic valve 38 is arranged on the liquid outlet pipeline 34. The cavity inside the housing 22 constitutes an electrolytic cell, and openings are provided on the upper and lower side walls of the housing 22.

Optionally, a pH detector may be disposed at the liquid outlet 23, and the pH detector is configured to detect the pH of the solution at the liquid outlet 23. The pH detector is electrically connected to the PLC controller 60.

The first electrode plate 24 and the second electrode plate 26 extend into the electrolytic cell through openings formed in the upper and lower side walls, and the first electrode plate 24 and the second electrode plate 26 are sequentially arranged from the liquid inlet 21 to the liquid outlet 23. The first electrode plate 24 and the second electrode plate 26 are made of a chloride ion semipermeable membrane material, which can prevent substances containing chlorine elements from passing through. Specifically, the upper ends of the second electrode plates 26 are connected to the upper inner wall of the casing 22 and electrically connected to the negative electrode of the dc switching power supply 50, and a passage for liquid to flow is formed between the lower ends and the lower inner wall of the casing 22; the lower ends of the first electrode plates 24 are connected to the lower inner wall of the casing 22 and electrically connected to the positive electrode of the dc switching power supply 50, and a passage for liquid to flow is formed between the upper ends and the upper inner wall of the casing 22. The first electrode plate 24 and the second electrode plate 26 are electrically connected to the dc switching power supply 50, the first electrode plate 24, the second electrode plate 26 and the dc switching power supply 50 are electrically connected to the PLC controller 60, and the PLC controller 60 can control instantaneous input voltage and current of the first electrode plate 24 and the second electrode plate 26.

A medicine storage floating ball 42 is arranged in the medicine storage box 40, a dosing metering pump 44 is arranged at the top of the medicine storage box 40, a medicine inlet of the medicine storage box 40 is connected with a medicine outlet of the medicine pumping pump 46 through a pipeline, and a medicine inlet of the medicine pumping pump 46 is connected with the liquid outlet 23 of the electrolytic box 20 through a pipeline.

The PLC controller 60 is connected to the first solenoid valve 17, the second solenoid valve 38, the dc switching power supply 50, the first electrode plate 24, the second electrode plate 26, the water metering pump 36, the drug pump 46, and the drug dosing metering pump 44.

In the actual use process, when the floating ball 42 of the medicine in the medicine storage box 40 drops to the liquid level of the medicine lack, the PLC 60 sends a starting working instruction, the first electromagnetic valve 17 is opened, tap water is injected into the salt melting box 10, the liquid level in the salt melting box 1 reaches a high liquid level state, the first electromagnetic valve 17 is closed, the granular salt in the salt melting box 10 is soaked and dissolved for a long time to be saturated, at the moment, the concentration of the solution in the salt melting box 10 is close to 26.5%, and the liquid level in the salt melting box 10 quickly reaches an upper liquid level; the strong brine in the salt dissolving box 10 is driven to enter the siphon pipe 16 through the siphon pipe sleeve 15 due to the height difference between the salt dissolving box 10 and the salt solution configuration box 30, the strong brine flows into the siphon pipe sleeve 15, air in the siphon pipe sleeve 15 is pumped out simultaneously, vacuum is formed in the siphon pipe 16, siphon is formed quickly, the strong brine is added into the salt solution configuration box 30, the liquid level of the salt dissolving box 10 is caused to drop to the lower liquid level quickly, and the siphon pipe sleeve 15 enters a large amount of air to cause the siphon pipe 16 to stop siphoning. After the salt dissolving box 10 discharges the strong brine of salt solution configuration box 30 setting amount, the first solenoid valve 17 of opening continues to pour the running water into the salt dissolving box 10 and dissolves the granular salt, rises to the upper liquid level state again until the liquid level of salt dissolving box 10, and the salt water floater 14 in the salt dissolving box 10 sends a signal to close first solenoid valve 17, stops to dissolving salt box 10 water injection, and salt dissolving box 10 keeps the liquid level to continuously dissolve the granular salt and prepares to carry out siphon next time and adds quantitative strong brine for salt solution configuration box 30.

When the salt dissolving tank 10 sends out a siphon end signal, the PLC 60 starts the water metering pump 36 to inject tap water into the salt solution preparation tank 30, when the liquid level floating ball 31 monitors that the liquid level reaches the liquid level on the salt solution preparation tank 30, the water injection into the salt solution preparation tank 30 is stopped, so that salt water with the concentration of 10-10.5% is prepared, then the PLC 60 starts the second electromagnetic valve 38 to inject the prepared salt water into the electrolytic tank 20 from the liquid inlet 21, and then the direct-current switch power supply 50 is started, so that the electrolytic process is started. The oxidation reaction occurs on the first electrode plate 24 and generates a large amount of hydrogen ions, the pH value of the solution near the first electrode plate 24 is 2.5 ± 0.2, the solution flows towards the second electrode plate 26 through the channel between the first electrode plate 24 and the housing 22, the reduction reaction occurs on the second electrode plate 26, the pH value of the solution near the second electrode plate 26 is 6 ± 0.5, under the condition that the raw material of the liquid inlet 21 continuously flows, the solution near the first electrode plate 24 flows towards the liquid outlet 23 and is first neutralized with the solution near the second electrode plate 26, the neutralized solution is weakly acidic, and the pH value of the disinfectant finally overflowing from the liquid outlet 23 is at a proper level.

After the electrolytic tank 20 is electrolyzed for 120 minutes, the direct current switch power supply 50 is automatically closed to stop the electrolysis, the medicine pump 46 is started, and the sodium hypochlorite in the electrolytic tank 20 is pumped into the medicine storage tank 40. After the dosing metering pump 44 works, when the medicine storage floating ball 42 in the medicine storage box 40 descends to the lower liquid level of the stored medicine, the next working cycle is started.

The equipment enables salt solution to flow in an electrolytic cell in a reciprocating manner by arranging the semi-diaphragm type first electrode plate 24 and the semi-diaphragm type second electrode plate 26, the pH value of the solution is changed, sodium hypochlorite is directly generated and overflows from the liquid outlet 23, the pH value of generated disinfectant is in a proper range, the disinfectant contains sufficient sodium hypochlorite, and compared with traditional sodium hypochlorite generating equipment, the produced disinfectant has a better disinfection effect; in addition, quantitative saturated salt water is added through the siphonage of the salt dissolving tank 10, and then the salt is diluted to the optimal process concentration, so that the continuous production is realized without manual ingredients.

The above descriptions of the embodiments of the present invention that are not related to the present invention are well known in the art, and can be implemented by referring to the well-known technologies.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A sodium hypochlorite production facility, its characterized in that: comprises a salt dissolving box, a salt solution preparation box, an electrolytic box, a medicine storage box, a direct current switch power supply and a PLC controller;

2. The sodium hypochlorite generating apparatus according to claim 1, wherein: the baffle is established in the box and is separated the box inner chamber for salt storage chamber and salt solution room, is equipped with a plurality of through-holes on the baffle, stores up the through-hole intercommunication on salt storage chamber and the salt solution room through the baffle between, and the water injection pipe is established in the salt storage chamber, and the siphon is established in the salt solution room and the water inlet of siphon is than the lower 30mm of liquid level, and the siphon cover is on the siphon and the import and the lower liquid level parallel and level of siphon cover, and the salt solution floater is established in the salt solution room.

3. The sodium hypochlorite generating apparatus according to claim 1, wherein: the electrolytic cell is characterized in that openings are formed in the upper side wall and the lower side wall of the shell, the first electrode plate and the second electrode plate stretch into the electrolytic cell through the openings formed in the upper side wall and the lower side wall, the liquid inlet and the liquid outlet are respectively located at the left end and the right end of the shell, and the first electrode plate and the second electrode plate are sequentially arranged from the liquid inlet to the liquid outlet.

4. The sodium hypochlorite generating apparatus according to claim 1, wherein: and a pH value detector can be arranged at the liquid outlet and used for detecting the pH value of the solution at the liquid outlet, and the pH value detector is electrically connected with the PLC.