CN217517037U

CN217517037U - Energy-saving sodium hypochlorite electrolysis preparation facilities

Info

Publication number: CN217517037U
Application number: CN202221131402.1U
Authority: CN
Inventors: 江文英
Original assignee: Sichuan Xiongxinda Electromechanical Equipment Co ltd
Current assignee: Sichuan Xiongxinda Electromechanical Equipment Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-09-30
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses an energy-saving sodium hypochlorite electrolysis preparation facilities, including the electrolysis trough, the winding has condenser tube on the electrolysis trough lateral wall, condenser tube's one end intercommunication has the inlet tube, condenser tube's other end intercommunication has the drain pipe, the condenser tube closes on and is equipped with the feed liquor pipe on the drain pipe section, the feed liquor pipe is linked together with the inside cavity of electrolysis trough, still including diluting the bucket, be equipped with the drain pipe that is linked together with diluting the bucket on the diluting bucket, the section that closes on the inlet tube on drain pipe and the condenser tube is linked together, be equipped with the water intaking valve between inlet tube and the condenser tube, be equipped with the drain valve on the drain pipe, be equipped with the feed liquor valve on the feed liquor pipe, be equipped with the drain valve on the drain pipe. An auger is arranged in the dilution barrel, and the outer side wall of the auger is connected with the inner side wall of the dilution barrel. The utility model discloses can carry out effectual dilution and reduce the energy consumption when electrolyzing to the strong brine.

Description

Energy-saving sodium hypochlorite electrolysis preparation facilities

Technical Field

The utility model relates to a sewage treatment device technical field, concretely relates to energy-saving sodium hypochlorite electrolysis preparation facilities.

Background

Sodium hypochlorite can be applied to water disinfection in the fields of drinking water, domestic sewage, medical wastewater and the like, and two methods are generally adopted for preparing sodium hypochlorite in the prior art, wherein one method is to generate sodium hypochlorite by reacting chlorine when the chlorine is introduced into a sodium hydroxide solution, the other method is to generate sodium hypochlorite by electrolyzing saline solution, the chlorine is gas harmful to human bodies, and the danger of preparing the sodium hypochlorite by adopting the chlorine is high.

The preparation of sodium hypochlorite by electrolysis of a saline solution requires diluting a saturated saline solution to a dilute saline solution having a concentration of about 2.5% to 4%, and the electrolysis temperature needs to be controlled below 40 ℃ during the electrolysis.

Current sodium hypochlorite electrolysis preparation facilities adopts motor drive stirring rod to stir the strong brine and dilutes, and need set up dedicated cooling system to the electrolysis trough and cool down, and energy resource consumption is big.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-saving sodium hypochlorite electrolysis preparation facilities, it can carry out effectual dilution to the strong brine and reduce the energy consumption when electrolyzing.

In order to solve the technical problem, the utility model discloses a following scheme:

the utility model provides an energy-saving sodium hypochlorite electrolysis preparation facilities, including the electrolysis trough, the winding has condenser tube on the electrolysis trough lateral wall, condenser tube's one end intercommunication has the inlet tube, condenser tube's other end intercommunication has the drain pipe, the condenser tube closes on and is equipped with the feed liquor pipe on the drain pipe district section, the feed liquor pipe is linked together with the inside cavity of electrolysis trough, still including diluting the bucket, be equipped with the drain pipe that is linked together with diluting the bucket on the diluting bucket, the drain pipe is linked together with the district section that closes on the inlet tube on the condenser tube, be equipped with the water intaking valve between inlet tube and the condenser tube, be equipped with the drain valve on the drain pipe, be equipped with the feed liquor valve on the feed liquor pipe, be equipped with the drain valve on the drain pipe. The device has the effects that when dilute brine in the dilution barrel needs to be conveyed into the electrolytic bath, the water inlet valve and the water discharge valve are kept in a closed state, the liquid inlet valve and the liquid outlet valve are opened, the dilute brine sequentially passes through the dilution barrel, the liquid outlet pipe, the cooling water pipe and the liquid inlet pipe and enters the electrolytic bath, and the electrolytic bath is partially cooled when passing through the cooling water pipe; when the dilute brine in the electrolytic bath reaches a preset amount, closing the liquid inlet valve and the liquid outlet valve; when dilute brine is electrolyzed, the liquid inlet valve and the liquid outlet valve are kept closed, the water inlet valve and the water discharge valve are opened, cold water is introduced into the water inlet pipe, the cold water sequentially passes through the water inlet pipe, the cooling water pipe and the water discharge pipe, and the electrolytic tank is mainly cooled when the cold water passes through the cooling water pipe, so that the temperature in the electrolytic tank is kept below the temperature suitable for electrolysis. Through the setting of each pipeline and valve, make the dilute brine and the cooling water all pass through condenser tube, can play the cooling action to the electrolysis trough before the dilute brine enters into in the electrolysis trough, the dilute brine cools off the electrolysis trough in condenser tube and receives the heat exchange when rising temperature slightly, in the in-process part heat of marcing of dilute brine can pass through condenser tube and transmit the external world, and can set up temperature sensor on the electrolysis trough, the temperature in the electrolysis trough begins to electrolyze after cold water passes through condenser tube and cools off and be in below 40. A branch water pipe can be arranged on the water discharge pipe and is used for collecting dilute brine which does not enter the electrolytic bath after the liquid inlet valve is closed. The water outlet pipe can be communicated with the water inlet pipe, so that the water in the water outlet pipe can enter the water inlet pipe again for cyclic utilization.

Furthermore, an auger is arranged in the dilution barrel, and the outer side wall of the auger is connected with or in close contact with the inner side wall of the dilution barrel. A salinity meter can be arranged at the bottom side of the packing auger or in the liquid outlet pipe and used for testing whether the dilute brine passing through the packing auger meets the concentration requirement of the dilute brine. The effect is that the auger is sealed with the inner side wall of the dilution barrel, water and strong brine or salt are mixed and then advance along the auger pipe, the water and the strong brine or the salt are fully mixed and diluted in the advancing process, and a motor is not adopted in the diluting process, so that the energy consumption is saved.

Furthermore, a dilution water pipe extending from the outside of the dilution barrel to the upper side of the uppermost layer of the packing auger is arranged above the packing auger. The effect of the device is that water can enter the dilution barrel and move from the top of the packing auger, and the saline water is fully diluted into dilute saline water by prolonging the moving distance of the water flow.

Furthermore, one end of the dilution water pipe, which is positioned outside the dilution barrel, is communicated with a water delivery pipe, the water delivery pipe is communicated with a water inlet pipe, and a water delivery valve is arranged on the water delivery pipe. The water inlet valve is closed and the water delivery valve is opened when the salt-free water for dilution needs to be delivered into the dilution barrel, so that the dilution water sequentially enters the dilution barrel through the water inlet pipe, the water delivery pipe and the dilution water pipe.

Furthermore, the extending direction of the packing auger is vertical to the ground, and at least one spoiler is arranged on one face, upward, of the packing auger. The effect is that through the setting of spoiler, increase the hindrance on the route of travel of salt water, further strengthen the dilution to salt water.

Furthermore, the spoiler is concave in the middle and convex at two sides. The effect is that when the salt water passes through the spoiler, the salt water at the higher positions of the two sides is gathered towards the middle, and the further mixing of the salt and the water is enhanced by influencing the advancing of the salt water, so that the dilution effect is achieved.

Furthermore, the section that is equipped with the auger in the dilution bucket is cylindricly, and the bottom surface section that lies in the auger below in the dilution bucket is towards keeping away from the conical of auger direction cross sectional area diminishing gradually until being linked together with the drain pipe. The effect of the device is that the salt water flowing out of the packing auger gradually falls into the liquid outlet pipe in a spiral shape on the conical bottom surface of the dilution barrel, so that the dilution of the salt water can be further enhanced.

Furthermore, at least one turbulence block is arranged on the upper surface of the bottom surface area below the packing auger in the dilution barrel. It acts to dilute the brine by blocking its travel.

Furthermore, the top surface of the dilution barrel is provided with a salt inlet for adding salt or strong brine. The effect is that, move to the auger bottom along the auger with the dilution water from the auger top jointly, promote the dilution effect through the extension journey.

Furthermore, the electrolytic bath is provided with an exhaust port for exhausting hydrogen generated after electrolysis, a liquid outlet for exhausting sodium hypochlorite generated after electrolysis and a liquid inlet communicated with the liquid inlet pipe.

The utility model discloses beneficial effect who has:

1. by arranging the pipelines and the valves, the dilute brine and the cooling water pass through the cooling water pipe, so that the electrolytic bath can be partially cooled before the dilute brine enters the electrolytic bath, and partial energy consumption is saved;

2. through making auger and dilution bucket inside wall sealed, advance along the auger pipe after water and strong brine or salt mix, at the in-process intensive mixing dilution of advancing, do not adopt the motor at the in-process of diluting, practiced thrift energy resource consumption.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the dilution barrel;

fig. 3 is a schematic perspective view of the packing auger.

The reference numerals are explained below: 1. an electrolytic cell; 2. a cooling water pipe; 3. a water inlet pipe; 4. a drain pipe; 5. a liquid inlet pipe; 6. a dilution barrel; 7. a liquid outlet pipe; 8. a water inlet valve; 9. a drain valve; 10. a liquid inlet valve; 11. a liquid outlet valve; 12. a packing auger; 13. a dilution water pipe; 14. a water delivery pipe; 15. a water delivery valve; 16. a spoiler; 17. a flow disturbing block; 18. a salt inlet; 19. a liquid discharge port; 20. and (7) an exhaust port.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the terms are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "opened," "mounted," "connected," and "connected" are to be construed broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example 1

The utility model provides an energy-saving sodium hypochlorite electrolysis preparation facilities, as shown in figure 1, including electrolysis trough 1, the winding has condenser tube 2 on 1 lateral wall of electrolysis trough, condenser tube 2's one end intercommunication has inlet tube 3, condenser tube 2's other end intercommunication has drain pipe 4, condenser tube 2 closes on and is equipped with feed liquor pipe 5 on the 4 districts of drain pipe, feed liquor pipe 5 is linked together with 1 inside cavity of electrolysis trough, still include dilution bucket 6, be equipped with drain pipe 7 that is linked together with dilution bucket 6 on the dilution bucket 6, the district's district that closes on inlet tube 3 on drain pipe 7 and condenser tube 2 is linked together, be equipped with water intaking valve 8 between inlet tube 3 and the condenser tube 2, be equipped with drain valve 9 on the drain pipe 4, be equipped with feed liquor valve 10 on the feed liquor pipe 5, be equipped with drain valve 11 on the drain pipe 7. The method has the effects that when dilute brine in the dilution barrel 6 needs to be conveyed into the electrolytic cell 1, the water inlet valve 8 and the water discharge valve 9 are kept in a closed state, the liquid inlet valve 10 and the liquid outlet valve 11 are opened, so that the dilute brine sequentially passes through the dilution barrel 6, the liquid outlet pipe 7, the cooling water pipe 2 and the liquid inlet pipe 5 to enter the electrolytic cell 1, and the electrolytic cell 1 is partially cooled when passing through the cooling water pipe 2; when the dilute brine in the electrolytic bath 1 reaches a preset amount, closing the liquid inlet valve 10 and the liquid outlet valve 11; when dilute brine starts to be electrolyzed, the liquid inlet valve 10 and the liquid outlet valve 11 are kept closed, the water inlet valve 8 and the water discharge valve 9 are opened, cold water is introduced into the water inlet pipe 3, the cold water sequentially passes through the water inlet pipe 3, the cooling water pipe 2 and the water discharge pipe 4, and when the cold water passes through the cooling water pipe 2, the electrolytic bath 1 is mainly cooled, so that the temperature in the electrolytic bath 1 is kept below the temperature suitable for electrolysis. Through the setting of each pipeline and valve, make the equal condenser tube 2 that passes through of dilute brine and cooling water, can play the cooling effect to electrolysis trough 1 before the dilute brine enters into electrolysis trough 1, dilute brine cools off electrolysis trough 1 in cooling water pipe 2 and receives the heat exchange when rising slightly, in the advancing in-process part heat of dilute brine can transmit the external world through condenser tube 2, and can set up temperature sensor on electrolysis trough 1, the temperature in electrolysis trough 1 begins to electrolyze after cold water cools off through condenser tube 2 and is in below 40. A branch water pipe may be provided on the water discharge pipe 4 for collecting dilute brine that does not enter the electrolytic bath 1 after the liquid inlet valve 10 is closed. The water outlet pipe 4 can be communicated with the water inlet pipe 3, so that the water in the water outlet pipe 4 can enter the water inlet pipe 3 again for cyclic utilization.

Specifically, as shown in fig. 2 and 3, an auger 12 is arranged in the dilution barrel 6, and the outer side wall of the auger 12 is connected with or closely contacted with the inner side wall of the dilution barrel 6. A salinity meter can be arranged at the bottom side of the packing auger 12 or in the liquid outlet pipe 7 and used for testing whether the dilute brine passing through the packing auger 12 meets the concentration requirement of the dilute brine. The effect is that the auger 12 and the inner side wall of the dilution barrel 6 are sealed, water and strong brine or salt are mixed and then advance along the auger 12 pipe, the water and the strong brine or the salt are fully mixed and diluted in the advancing process, and a motor is not adopted in the diluting process, so that the energy consumption is saved.

Specifically, as shown in fig. 2, a dilution water pipe 13 extending from the outside of the dilution barrel 6 to the upper portion of the uppermost layer of the packing auger 12 is arranged above the packing auger 12. The water-diluting device has the functions that water can enter the diluting barrel 6 and move from the uppermost part of the packing auger 12, and the saline water is fully diluted into dilute saline water by prolonging the moving distance of the water flow.

Specifically, as shown in fig. 1, a water pipe 14 is provided in communication with one end of the dilution water pipe 13 located outside the dilution barrel 6, the water pipe 14 is communicated with the water inlet pipe 3, and a water delivery valve 15 is provided on the water pipe 14. The water inlet valve 8 is closed and the water delivery valve 15 is opened when the salt-free water for dilution needs to be delivered into the dilution barrel 6, so that the dilution water sequentially enters the dilution barrel 6 through the water inlet pipe 3, the water delivery pipe 14 and the dilution water pipe 13.

Specifically, as shown in fig. 3, the extension direction of the packing auger 12 is vertical to the ground, and six spoilers 16 uniformly distributed along the packing auger are arranged on the upward surface of the packing auger 12. The effect is to increase the obstruction on the travel route of the brine by the arrangement of the spoiler 16, further enhancing the dilution of the brine.

Specifically, as shown in fig. 3, the spoiler 16 is concave in the middle and convex at two sides. The effect is that when the brine passes through the spoiler 16, the brine located higher on both sides is gathered towards the middle, and the further mixing of the salt and the water is enhanced by influencing the progress of the brine, thereby achieving the effect of dilution.

Specifically, as shown in fig. 2, the section in which the packing auger 12 is arranged in the dilution barrel 6 is cylindrical, and the section of the bottom surface of the dilution barrel 6 below the packing auger 12 is conical, the cross-sectional area of the section of the bottom surface of the dilution barrel gradually decreases towards the direction away from the packing auger 12 until the section of the bottom surface of the dilution barrel is communicated with the liquid outlet pipe 7. The effect of the device is that the salt water flowing out of the packing auger 12 gradually falls into the liquid outlet pipe 7 in a spiral shape on the conical bottom surface of the dilution barrel 6, so that the dilution of the salt water can be further enhanced.

Specifically, as shown in fig. 2, at least six turbulence blocks 17 which are uniformly distributed in an annular shape are arranged on the upper surface of the bottom surface area below the packing auger 12 in the dilution barrel 6. It acts to dilute the brine by blocking its travel.

Specifically, as shown in fig. 1 and 2, the top surface of the dilution barrel 6 is provided with a salt inlet 18 for inputting salt or concentrated brine. The effect is that, move to auger 12 bottom along auger 12 with dilution water from auger 12 top jointly, promote the dilution effect through extension journey route.

Specifically, as shown in fig. 1, the electrolytic cell 1 is provided with an exhaust port 20 for discharging hydrogen generated after electrolysis, a liquid outlet 19 for discharging sodium hypochlorite generated after electrolysis, and a liquid inlet communicated with the liquid inlet pipe 5.

All valves adopt stop valves.

The working principle of the embodiment is explained as follows: firstly, a water inlet valve 8, a water outlet valve, a liquid inlet valve 10 and a liquid outlet valve 11 are in a closed state, a liquid delivery valve is opened, water for dilution is input into a dilution barrel 6, strong brine is input into the dilution barrel 6 through a salt inlet 18, the strong brine and the water are primarily diluted in the advancing process on an auger 12, and the strong brine and the water are further diluted and enter a liquid outlet pipe 7 when spirally advancing on the conical bottom surface of the dilution barrel 6 after passing through the auger 12;

then, closing the water delivery valve 15, keeping the water inlet valve 8 and the water discharge valve 9 closed, and opening the liquid outlet valve 11 and the liquid inlet valve 10, so that the diluted dilute brine sequentially passes through the liquid outlet pipe 7, the liquid outlet valve 11, the cooling water pipe 2 and the liquid inlet valve 10 and then enters the electrolytic cell 1;

when the amount of the dilute brine in the electrolytic tank 1 reaches a preset value, closing the liquid outlet valve 11 and the liquid inlet valve 10, starting electrolysis, keeping the water delivery valve 15 closed, opening the water inlet valve 8 and the water discharge valve 9, enabling cold water to sequentially pass through the water inlet pipe 3, the water inlet valve 8, the cooling water pipe 2, the water discharge valve 9 and the water discharge pipe 4, and cooling the electrolytic tank 1 wound by the cooling water pipe 2 when the cold water passes through the cooling water pipe 2.

Through the setting of dilution bucket 6 and condenser tube 2, played the effect of practicing thrift the energy consumption jointly.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical essence of the present invention is that within the spirit and principle of the present invention, any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides an energy-saving sodium hypochlorite electrolytic preparation device, includes electrolysis trough (1), its characterized in that: the winding has cooling water pipe (2) on electrolysis trough (1) lateral wall, the one end intercommunication of cooling water pipe (2) has inlet tube (3), the other end intercommunication of cooling water pipe (2) has drain pipe (4), cooling water pipe (2) are close to and are equipped with feed liquor pipe (5) on drain pipe (4) district section, feed liquor pipe (5) are linked together with electrolysis trough (1) inside cavity, still including diluting bucket (6), be equipped with drain pipe (7) that are linked together with diluting bucket (6) on diluting bucket (6), the district section that closes on inlet tube (3) on drain pipe (7) and cooling water pipe (2) is linked together, be equipped with water intaking valve (8) between inlet tube (3) and cooling water pipe (2), be equipped with drain valve (9) on drain pipe (4), be equipped with feed liquor valve (10) on feed liquor pipe (5), be equipped with drain valve (11) on drain pipe (7).

2. The energy-saving sodium hypochlorite electrolytic preparation device according to claim 1, characterized in that: be equipped with auger (12) in dilution bucket (6), the lateral wall of auger (12) is connected with the inside wall of dilution bucket (6).

3. The energy-saving sodium hypochlorite electrolytic preparation device according to claim 2, characterized in that: and a dilution water pipe (13) extending from the outside of the dilution barrel (6) to the upper part of the uppermost layer of the packing auger (12) is arranged above the packing auger (12).

4. The energy-saving sodium hypochlorite electrolytic preparation device according to claim 3, characterized in that: one end of the dilution water pipe (13) positioned outside the dilution barrel (6) is communicated with a water delivery pipe (14), the water delivery pipe (14) is communicated with the water inlet pipe (3), and a water delivery valve (15) is arranged on the water delivery pipe (14).

5. The energy-saving sodium hypochlorite electrolytic preparation device according to claim 2, characterized in that: the extending direction of the packing auger (12) is vertical to the ground, and at least one spoiler (16) is arranged on one upward side of the packing auger (12).

6. The energy-saving sodium hypochlorite electrolytic preparation device according to claim 5, characterized in that: the spoiler (16) is concave in the middle and convex at two sides.

7. The energy-saving sodium hypochlorite electrolytic preparation device according to claim 2, characterized in that: the section that is equipped with auger (12) in dilution bucket (6) is cylindricly, and the bottom surface section that is located auger (12) below in dilution bucket (6) is towards keeping away from auger (12) direction cross sectional area and reducing gradually until the coniform that is linked together with drain pipe (7).

8. The energy-saving sodium hypochlorite electrolytic preparation device according to claim 7, characterized in that: at least one turbulence block (17) is arranged on the upper surface of the bottom surface area below the packing auger (12) in the dilution barrel (6).

9. The energy-saving sodium hypochlorite electrolytic preparation device according to claim 2, characterized in that: the top surface of the dilution barrel (6) is provided with a salt inlet (18) for adding salt or strong brine.

10. The energy-saving sodium hypochlorite electrolytic preparation device according to claim 1, characterized in that: the electrolytic tank (1) is provided with an exhaust port (20) for exhausting hydrogen generated after electrolysis, a liquid outlet (19) for exhausting sodium hypochlorite generated after electrolysis and a liquid inlet communicated with the liquid inlet pipe (5).