Membrane-free sodium hypochlorite preparation device

Abstract

The utility model discloses a diaphragm-free sodium hypochlorite preparation device, and relates to the technical field of sodium hypochlorite preparation, the diaphragm-free sodium hypochlorite preparation device comprises a supporting base, the top of the supporting base is fixedly connected with a tail gas treatment box and a preparation box respectively, and the interior of the tail gas treatment box is fixedly connected with a supporting frame; a ceramic honeycomb filter screen is movably connected to the top of the supporting frame, filter cotton is movably connected to the top of the ceramic honeycomb filter screen, activated carbon is movably connected to the top of the filter cotton, and a positioning frame is movably connected to the top of the activated carbon. Tail gas of the preparation box can be conveyed into the tail gas treatment box through the exhaust pipe, hydrogen generated after alkali liquor reacts with chlorine gas can be discharged into the tail gas treatment box, in the hydrogen discharging process, chlorine gas doped in the hydrogen gas can be adsorbed and filtered through the ceramic honeycomb filter screen, the filter cotton and the activated carbon, and the hydrogen gas is discharged into the tail gas treatment box. Therefore, the operation safety of the diaphragm-free sodium hypochlorite preparation device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sodium hypochlorite preparation, in particular to a diaphragm-free sodium hypochlorite preparation device. Background Technique

[0002] Sodium hypochlorite is a strong oxidant and disinfectant, which can be sourced from widely available and inexpensive industrial salts or dilute seawater solutions. To ensure the freshness and high activity of sodium hypochlorite and guarantee the disinfection effect, a sodium hypochlorite generator is usually used to generate sodium hypochlorite while dosing and using it. In recent years, the country has paid more attention to the safety of disinfection, and traditional disinfection processes have gradually been replaced by new sodium hypochlorite generators.

[0003] After retrieval, the patent application number is CN220531363U, a sodium hypochlorite on-site preparation device, including a material cylinder, a cover plate is arranged at the top of the material cylinder, a first liquid discharge port and a second liquid discharge port are fixedly installed on the cover plate, a liquid outlet is fixedly connected to the outside of the material cylinder, a base is arranged at the bottom of the material cylinder, and a driving motor is fixedly installed on the lower surface of the base.

[0004] Although the reaction speed can be improved, chlorine is a toxic gas with a yellow-green color and a pungent smell, belonging to highly hazardous substances and secondary poisons. Without adsorption and filtration treatment of chlorine, the safety of the diaphragm-free sodium hypochlorite preparation device is reduced. Content of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages existing in the prior art, and a diaphragm-free sodium hypochlorite preparation device is proposed. Its advantage lies in that the exhaust pipe can transport the tail gas of the preparation tank into the tail gas treatment tank, so that the hydrogen generated after the reaction of the alkaline solution and chlorine can be discharged into the tail gas treatment tank. During the discharge process of hydrogen, the ceramic honeycomb filter screen, filter cotton and activated carbon can adsorb and filter the chlorine doped in the hydrogen, thereby improving the operation safety of the diaphragm-free sodium hypochlorite preparation device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A diaphragm-free sodium hypochlorite preparation device, including a support base, a tail gas treatment tank and a preparation tank are respectively fixedly connected to the top of the support base, a support frame is fixedly connected to the inside of the tail gas treatment tank, a ceramic honeycomb filter screen is movably connected to the top of the support frame, a filter cotton is movably connected to the top of the ceramic honeycomb filter screen, an activated carbon is movably connected to the top of the filter cotton, a positioning frame is movably connected to the top of the activated carbon, and the side wall of the positioning frame is fixedly connected to the inner wall of the tail gas treatment tank through screws.

[0008] Through the above technical solution: the exhaust pipe can transport the tail gas of the preparation tank into the tail gas treatment tank, enabling the hydrogen gas generated after the reaction of the lye and chlorine gas to be discharged into the tail gas treatment tank. During the process of discharging the hydrogen gas, the ceramic honeycomb filter, filter cotton, and activated carbon can adsorb and filter the chlorine gas doped in the hydrogen gas, thereby improving the operation safety of the diaphragm-free sodium hypochlorite preparation device.

[0009] The present utility model is further configured such that the box opening of the tail gas treatment tank is fixedly connected with a sealing plate through screws, and a connecting pipe is fixedly connected to the inside of the right end of the sealing plate.

[0010] Through the above technical solution: it not only does not affect the adsorption and filtration of the chlorine gas doped in the hydrogen gas before discharging, but also facilitates the regular replacement of the internal ceramic honeycomb filter, filter cotton, and activated carbon.

[0011] The present utility model is further configured such that the smoke inlet of the tail gas treatment tank is fixedly connected with an exhaust pipe, and the air inlet of the exhaust pipe is fixedly connected with the air outlet of the preparation tank.

[0012] Through the above technical solution: the exhaust pipe can transport the tail gas of the preparation tank into the tail gas treatment tank, enabling the hydrogen gas generated after the reaction of the lye and chlorine gas to be discharged into the tail gas treatment tank for filtration and adsorption.

[0013] The present utility model is further configured such that the inlet of the preparation tank is fixedly connected with a liquid inlet pipe, and the outlet of the preparation tank is fixedly connected with a liquid outlet valve.

[0014] Through the above technical solution: after the raw materials enter the preparation tank through the liquid inlet pipe, the inlet of the liquid inlet pipe can be blocked by a cover plate, and the liquid outlet valve can be opened to obtain diaphragm-free sodium hypochlorite after the reaction ends.

[0015] The present utility model is further configured such that a liquid infusion pump is fixedly connected to the side wall of the preparation tank, and the inlet and outlet ends of the liquid infusion pump are respectively fixedly connected with a first reflux pipe and a second reflux pipe.

[0016] Through the above technical solution: the liquid infusion pump is arranged on the left side wall of the preparation tank, which can not only complete the liquid flow in the preparation tank, but also facilitate maintenance.

[0017] The present utility model is further configured such that the water outlet of the first reflux pipe is fixedly connected with the water inlet of the preparation tank, and the water inlet end of the second reflux pipe is movably connected with the inner bottom end of the preparation tank.

[0018] Through the above technical solution: the circulating flow of the solution in the preparation tank can make the components in the solution mix evenly and avoid precipitation.

[0019] The present utility model is further configured such that a servo motor is fixedly connected to the center of the upper part of the preparation tank, a driving rod is fixedly connected to the driving shaft of the servo motor, and a stirring paddle is fixedly connected to the outer wall of the driving rod.

[0020] Through the above technical solutions, the mixed liquid inside the preparation tank can be stirred more fully, thereby accelerating the fusion speed.

[0021] The present utility model is further configured such that an observation window is fixedly connected to the observation port of the preparation tank, and the position of the observation window is set at the rear end of the stirring paddle.

[0022] Through the above technical solutions, it is convenient for personnel to master the reaction process of the mixed liquid in the preparation tank.

[0023] The beneficial effects of the present utility model are as follows:

[0024] 1. For this diaphragm-free sodium hypochlorite preparation device, by providing an exhaust pipe, the tail gas of the preparation tank can be transported into the tail gas treatment tank, enabling the hydrogen generated after the reaction of the alkali solution and chlorine gas to be discharged into the tail gas treatment tank. During the process of hydrogen discharge, the ceramic honeycomb filter, filter cotton, and activated carbon can adsorb and filter the chlorine gas doped in the hydrogen, thereby improving the operation safety of this diaphragm-free sodium hypochlorite preparation device.

[0025] 2. For this diaphragm-free sodium hypochlorite preparation device, by providing an infusion pump in combination with a first return pipe and a second return pipe to circulate the solution in the preparation tank, the components in the solution can be mixed evenly, avoiding precipitation. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a three-dimensional structural schematic diagram of a diaphragm-free sodium hypochlorite preparation device proposed by the present utility model;

[0027] Figure 2 is an internal view structural schematic diagram of a diaphragm-free sodium hypochlorite preparation device proposed by the present utility model;

[0028] Figure 3 is a rear view structural schematic diagram of a diaphragm-free sodium hypochlorite preparation device proposed by the present utility model;

[0029] Figure 4 is a three-dimensional structural schematic diagram of the tail gas treatment tank of a diaphragm-free sodium hypochlorite preparation device proposed by the present utility model.

[0030] In the figure: 1, support base; 2, tail gas treatment box; 3, preparation box; 4, sealing plate; 5, connecting pipe; 6, activated carbon; 7, filter cotton; 8, ceramic honeycomb filter; 9, support frame; 10, positioning frame; 11, exhaust pipe; 12, liquid outlet valve; 13, observation window; 14, servo motor; 15, driving rod; 16, stirring paddle; 17, first reflux pipe; 18, infusion pump; 19, second reflux pipe; 20, liquid inlet pipe. Detailed implementation mode

[0031] The technical solution of this patent will be further described in detail below in combination with the specific implementation mode.

[0032] The embodiments of this patent will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are only used to explain this patent and should not be construed as a limitation of this patent.

[0033] Referring to Figures 1-4 , a diaphragm-free sodium hypochlorite preparation device includes a support base 1. A tail gas treatment box 2 and a preparation box 3 are respectively fixedly connected to the top of the support base 1. A support frame 9 is fixedly connected to the inside of the tail gas treatment box 2. A ceramic honeycomb filter 8 is movably connected to the top of the support frame 9. A filter cotton 7 is movably connected to the top of the ceramic honeycomb filter 8. An activated carbon 6 is movably connected to the top of the filter cotton 7. A positioning frame 10 is movably connected to the top of the activated carbon 6. The side wall of the positioning frame 10 is fixedly connected to the inner wall of the tail gas treatment box 2 by screws. The exhaust pipe 11 can convey the tail gas of the preparation box 3 into the tail gas treatment box 2, so that the hydrogen generated after the reaction of the alkali solution and chlorine gas can be discharged into the tail gas treatment box 2. During the discharge of hydrogen, the ceramic honeycomb filter 8, the filter cotton 7 and the activated carbon 6 can adsorb and filter the chlorine gas doped in the hydrogen, thereby improving the operation safety of this diaphragm-free sodium hypochlorite preparation device.

[0034] Specifically, a sealing plate 4 is fixedly connected to the box mouth of the tail gas treatment box 2 by screws. A connecting pipe 5 is fixedly connected to the inside of the right end of the sealing plate 4, which not only does not affect the adsorption and filtration of the chlorine gas doped in the hydrogen for discharge, but also facilitates the regular replacement of the internal ceramic honeycomb filter 8, filter cotton 7 and activated carbon 6.

[0035] Specifically, an exhaust pipe 11 is fixedly connected to the smoke inlet of the tail gas treatment box 2. The air inlet of the exhaust pipe 11 is fixedly connected to the air outlet of the preparation box 3. The exhaust pipe 11 can convey the tail gas of the preparation box 3 into the tail gas treatment box 2, so that the hydrogen generated after the reaction of the alkali solution and chlorine gas can be discharged into the tail gas treatment box 2 for filtration and adsorption.

[0036] Specifically, the inlet of the preparation tank 3 is fixedly connected with a liquid inlet pipe 20, and the outlet of the preparation tank 3 is fixedly connected with a liquid outlet valve 12. After the raw materials enter the preparation tank 3 through the liquid inlet pipe 20, the inlet of the liquid inlet pipe 20 can be blocked by a cover plate, and the liquid outlet valve 12 can be opened to obtain diaphragm-free sodium hypochlorite after the reaction ends.

[0037] Specifically, a liquid infusion pump 18 is fixedly connected to the side wall of the preparation tank 3, and the inlet and outlet ends of the liquid infusion pump 18 are respectively fixedly connected with a first return pipe 17 and a second return pipe 19. The liquid infusion pump 18 is arranged on the left side wall of the preparation tank 3, which can not only complete the liquid flow in the preparation tank 3, but also facilitate maintenance.

[0038] Specifically, the water outlet of the first return pipe 17 is fixedly connected to the water inlet of the preparation tank 3, and the water inlet end of the second return pipe 19 is movably connected to the inner bottom end of the preparation tank 3. Circulating the solution in the preparation tank 3 can make the components in the solution mix evenly and avoid precipitation.

[0039] Specifically, a servo motor 14 is fixedly connected to the center of the upper part of the preparation tank 3, the driving shaft of the servo motor 14 is fixedly connected with a driving rod 15, and a stirring paddle 16 is fixedly connected to the outer wall of the driving rod 15, which can further stir the mixed liquid inside the preparation tank 3 more fully and accelerate the fusion speed.

[0040] Specifically, an observation window 13 is fixedly connected to the observation port of the preparation tank 3, and the position of the observation window 13 is set at the rear end of the stirring paddle 16, which is convenient for personnel to master the reaction process of the mixed liquid in the preparation tank 3.

[0041] Working principle: After the raw materials enter the preparation tank 3 through the liquid inlet pipe 20, the inlet of the liquid inlet pipe 20 can be blocked by a cover plate. The stirring paddle 16 rotates following the driving rod 15, and the rotation direction of the driving rod 15 is controlled by the servo motor 14, which can further stir the mixed liquid inside the preparation tank 3 more fully. The exhaust pipe 11 can transport the tail gas of the preparation tank 3 into the tail gas treatment tank 2, so that the hydrogen generated after the reaction of the alkali solution and chlorine gas can be discharged into the tail gas treatment tank 2. During the discharge process of hydrogen, the ceramic honeycomb filter 8, the filter cotton 7 and the activated carbon 6 can adsorb and filter the chlorine gas doped in the hydrogen.

[0042] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A diaphragmless sodium hypochlorite preparation device, comprising a support base (1), characterized in that: The top of the support base (1) is respectively fixedly connected to the exhaust gas treatment box (2) and the preparation box (3), and the inside of the exhaust gas treatment box (2) is fixedly connected to the support frame (9), and the top of the support frame (9) is movably connected to the ceramic honeycomb filter (8), and the top of the ceramic honeycomb filter (8) is movably connected to the filter cotton (7), and the top of the filter cotton (7) is movably connected to the activated carbon (6), and the top of the activated carbon (6) is movably connected to the positioning frame (10), and the side wall of the positioning frame (10) is fixedly connected to the inner wall of the exhaust gas treatment box (2) by screws.

2. A diaphragm-free sodium hypochlorite preparation device according to claim 1, characterized in that: The box opening of the exhaust gas treatment box (2) is fixedly connected to a sealing plate (4) by means of screws, and a connecting pipe (5) is fixedly connected to the inside of the right end of the sealing plate (4).

3. A diaphragmless sodium hypochlorite preparation device according to claim 1, characterized in that: The smoke inlet of the tail gas treatment box (2) is fixedly connected to an exhaust pipe (11), and the air inlet of the exhaust pipe (11) is fixedly connected to the air outlet of the preparation box (3).

4. A diaphragm-free sodium hypochlorite preparation device according to claim 1, characterized in that: The inlet of the preparation box (3) is fixedly connected to a liquid inlet pipe (20), and the outlet of the preparation box (3) is fixedly connected to a liquid outlet valve (12).

5. A diaphragm-free sodium hypochlorite preparation device according to claim 1, characterized in that: The side wall of the preparation box (3) is fixedly connected to an infusion pump (18), and the inlet and outlet ends of the infusion pump (18) are respectively fixedly connected to a return pipe 1 (17) and a return pipe 2 (19).

6. A diaphragm-free sodium hypochlorite preparation device according to claim 5, characterized in that: The water outlet of the return pipe 1 (17) is fixedly connected to the water inlet of the preparation box (3), and the water inlet end of the return pipe 2 (19) is movably connected to the inner bottom end of the preparation box (3).

7. A diaphragm-free sodium hypochlorite preparation device according to claim 1, characterized in that: A servo motor (14) is fixedly connected to the center of the upper portion of the preparation box (3), a driving shaft of the servo motor (14) is fixedly connected to a driving rod (15), and an outer wall of the driving rod (15) is fixedly connected to a stirring paddle (16).

8. A diaphragm-free sodium hypochlorite preparation device according to claim 1, characterized in that: The observation port of the preparation box (3) is fixedly connected to an observation window (13), and the observation window (13) is located at the rear end of the stirring paddle (16).

Images