Preparation device of disinfectant containing sodium hypochlorite and chlorine dioxide

Abstract

The utility model belongs to the technical field of disinfectant preparation devices, and particularly relates to a device for preparing a disinfectant containing sodium hypochlorite and chlorine dioxide. A raw material tank A is connected with a chlorine dioxide generator through a pipeline; the salt dissolving tank is connected with the sodium hypochlorite generator through a pipeline; the sodium hypochlorite generator is connected with the sodium hypochlorite storage tank through a pipeline; a sodium hypochlorite conveying pipeline at the bottom of the sodium hypochlorite storage tank and a raw material B conveying pipeline at an outlet of the raw material B tank are both connected with one end of a pipeline mixer, and the other end of the pipeline mixer is connected with the other inlet of the chlorine dioxide generator through a second raw material conveying pipeline; a disinfectant outlet is formed in the bottom of the chlorine dioxide generator; sodium hypochlorite generated by the sodium hypochlorite generator is firstly mixed with the chlorine dioxide agent B, and then the mixture and the chlorine dioxide agent A are simultaneously added into the chlorine dioxide generator, so that the generation amount of chlorine dioxide is increased, and the disinfectant is prepared on site; the preparation device is reasonable in structure, low in cost, high in efficiency, convenient to use and wide in market prospect.

Description

Technical field:

[0001] The utility model belongs to the technical field of disinfectant preparation devices, and in particular relates to a disinfectant preparation device containing sodium hypochlorite and chlorine dioxide. Background technology:

[0002] The process of treating raw surface water in a water plant must include adding disinfectants to disinfect the water body. At present, disinfectant preparation devices all prepare chlorine dioxide separately. For example, Chinese patent CN201620438073.3 discloses a safe chlorine dioxide disinfectant preparation device; it belongs to the field of environmental protection equipment technology, including a barrel body, and at least two raw material supply barrels are arranged on the side of the barrel body; each raw material supply barrel is connected to the reactor arranged in the barrel body through a pipeline, and a metering pump is arranged on the pipeline between the raw material supply barrel and the reactor; the reactor is connected to the water injector drug inlet through a pipeline; a first water inlet pipe connected to the water injector water inlet is arranged on the barrel body; the water injector outlet is connected to the external water pool to be disinfected through a pipeline; a control unit is arranged on the barrel body, and the reactor and the metering pump are connected to the control unit. Chinese patent CN202123279446.7 discloses an electrolytic chlorine dioxide disinfectant preparation device, including an operating table, a reaction box is fixedly installed on the top of the operating table, a reaction chamber is arranged inside the reaction box, the cross-section of the reaction chamber is circular, a stirring mechanism is arranged at the upper end of the reaction chamber, and a transfer box is fixedly installed at the bottom of the reaction chamber. The device is mixed with an aeration mechanism and a stirring mechanism, and the liquid inside the reaction chamber can be efficiently mixed and stirred by the stirring mechanism. At the same time, the gas generated by the reaction is poured into the bottom of the reaction chamber again through the aeration mechanism for floating, which further improves the efficiency of stirring, mixing and reaction, avoids the inconvenience caused by powder precipitation, and can also improve the efficiency of chlorine dioxide preparation, reduce waste and facilitate cleaning. Chinese patent CN201621301106.6 discloses a chlorine dioxide generator device, including a chlorine dioxide generating system, and a hydrochloric acid storage system and a sodium hypochlorite storage system respectively connected to the chlorine dioxide generating system; the chlorine dioxide generating system includes a reactor, a hydrochloric acid material pipe and a sodium hypochlorite material pipe respectively connected to the reactor; wherein the hydrochloric acid material pipe is connected to a hydrochloric acid storage tank, and the sodium hypochlorite material pipe is connected to the sodium hypochlorite storage tank; the hydrochloric acid storage system includes a hydrochloric acid raw material tank connected to the hydrochloric acid storage tank, and a hydrochloric acid dilution device arranged on the hydrochloric acid storage tank, and the sodium hypochlorite storage system includes a sodium hypochlorite raw material tank connected to the sodium hypochlorite storage tank, and a sodium hypochlorite dilution device arranged on the sodium hypochlorite storage tank.

[0003] The prior art is all about devices for preparing chlorine dioxide disinfectant, and there is no relevant report on a device for preparing a disinfectant containing sodium hypochlorite and chlorine dioxide. Utility model content:

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a disinfectant preparation device containing sodium hypochlorite and chlorine dioxide. A sodium hypochlorite generator and a chlorine dioxide generator are integrated into one, and the sodium hypochlorite generated by the sodium hypochlorite generator is used as a promoter and added into the chlorine dioxide generator together with chlorine dioxide AB powder, thereby increasing the amount of chlorine dioxide generated, and finally generating a mixed disinfectant containing sodium hypochlorite and chlorine dioxide for drinking water disinfection.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a disinfectant preparation device containing sodium hypochlorite and chlorine dioxide. The device integrates a sodium hypochlorite generator and a chlorine dioxide generator into one. The specific structure comprises: a raw material A tank, a raw material B tank, a salt dissolving tank, a sodium hypochlorite generator, a chlorine dioxide generator and a sodium hypochlorite storage tank. The outlet of the raw material A tank is connected to an inlet of the chlorine dioxide generator through a first raw material delivery pipeline; the outlet of the salt dissolving tank is connected to the inlet of the sodium hypochlorite generator through a sodium chloride delivery pipeline; the outlet of the sodium hypochlorite generator is connected to the inlet of the sodium hypochlorite storage tank through a pipeline; the bottom outlet of the sodium hypochlorite storage tank is connected to the sodium hypochlorite delivery pipeline; the outlet of the raw material B tank is connected to the raw material B delivery pipeline, the ends of the sodium hypochlorite delivery pipeline and the ends of the raw material B delivery pipeline are both connected to one end of a pipeline mixer, and the other end of the pipeline mixer is connected to another inlet of the chlorine dioxide generator through a second raw material delivery pipeline; and a disinfectant outlet is arranged at the bottom of the chlorine dioxide generator.

[0006] The inlets of the raw material A tank, the raw material B tank and the salt dissolving tank of the utility model are all connected to the water delivery pipe, and stirring rods are arranged in the raw material A tank, the raw material B tank and the salt dissolving tank.

[0007] The sodium hypochlorite generator of the utility model is an existing sodium hypochlorite generator device, which generates sodium hypochlorite by electrolyzing a sodium chloride aqueous solution.

[0008] The top of the sodium hypochlorite storage tank of the utility model is provided with a hydrogen discharge port, and a hydrogen discharge fan is arranged outside the sodium hypochlorite storage tank. The hydrogen discharge fan is connected with the inside of the sodium hypochlorite storage tank through a pipeline and is used for discharging hydrogen in the sodium hypochlorite storage tank.

[0009] The utility model discloses that a hydrogen discharge pipe is arranged on the pipeline between the sodium hypochlorite generator and the sodium hypochlorite storage tank, and the hydrogen discharge pipe is communicated with the hydrogen discharge port.

[0010] Compared with the prior art, the utility model integrates a sodium hypochlorite generator and a chlorine dioxide generator into one, mixes the sodium hypochlorite generated by the sodium hypochlorite generator with a chlorine dioxide B agent first, and then adds the sodium hypochlorite and the chlorine dioxide A agent into the chlorine dioxide generator at the same time, thereby increasing the generation of chlorine dioxide, realizing the maximum utilization of the three raw materials, and realizing the ready-to-use preparation of the disinfectant; the preparation device of the utility model has reasonable structure, low cost, high efficiency, convenient use, and broad market prospects. Description of the drawings:

[0011] Figure 1 The utility model is a schematic diagram of the overall structural principle of the disinfectant preparation device. Specific implementation method:

[0012] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0013] Embodiment 1:

[0014] The present embodiment relates to a disinfectant preparation device containing sodium hypochlorite and chlorine dioxide, which integrates a sodium hypochlorite generator and a chlorine dioxide generator into one. The specific structure includes: a raw material A tank 1, a raw material B tank 2, a salt dissolving tank 3, a sodium hypochlorite generator 4, a chlorine dioxide generator 5 and a sodium hypochlorite storage tank 7. The outlet of the raw material A tank 1 is connected to the inlet of the chlorine dioxide generator 5 through a first raw material delivery pipeline 11; the outlet of the salt dissolving tank 3 is connected to the inlet of the sodium hypochlorite generator 4 through a sodium chloride delivery pipeline 12; the sodium hypochlorite generator 4 is connected to the inlet of the chlorine dioxide generator 5 through a sodium chloride delivery pipeline 12; the sodium hypochlorite generator 4 is connected to the inlet of the chlorine dioxide generator 5 through a sodium chloride delivery pipeline 13; the sodium hypochlorite generator 4 is connected to the inlet of the chlorine dioxide generator 5 through a sodium chloride delivery pipeline 14; the sodium hypochlorite generator 4 is connected to the inlet of the chlorine dioxide generator 5 through a sodium chloride delivery pipeline 15; the sodium hypochlorite generator 4 is connected to the inlet of the chlorine dioxide generator 5 through a sodium chloride delivery pipeline 16; the sodium hypochlorite generator 4 is connected to the inlet of the chlorine dioxide generator 5 through a sodium chloride delivery pipeline 17; the sodium hypochlorite generator 4 is connected to the inlet of the chlorine dioxide generator 5 through a sodium chloride delivery pipeline 18; the sodium hypochlorite generator 4 is connected to the inlet of the chlorine dioxide generator 5 through a sodium chloride delivery pipeline 19; the sodium hypochlorite generator 4 is connected to the inlet of the chlorine dioxide generator 5 through a sodium chloride delivery pipeline 11; the sodium hypochlorite generator 4 is connected to the inlet of the chlorine dioxide generator 5 through a sodium chloride delivery pipeline 11; the sodium hypochlorite generator 4 is connected to the in The outlet of the device 4 is connected to the inlet of the sodium hypochlorite storage tank 7 through a pipeline; the bottom outlet of the sodium hypochlorite storage tank 7 is connected to the sodium hypochlorite delivery pipeline 13; the outlet of the raw material B tank 2 is connected to the raw material B delivery pipeline 15, the ends of the sodium hypochlorite delivery pipeline 13 and the raw material B delivery pipeline are both connected to one end of the pipeline mixer 17, and the other end of the pipeline mixer 17 is connected to another inlet of the chlorine dioxide generator through a second raw material delivery pipeline 14; a disinfectant outlet is provided at the bottom of the chlorine dioxide generator 5, and the disinfectant outlet is connected to the disinfection pool pipeline.

[0015] The inlets of the raw material A tank 1, the raw material B tank 2 and the salt dissolving tank 3 are all connected to the water pipe, and stirring rods are arranged in the raw material A tank 1, the raw material B tank 2 and the salt dissolving tank 3.

[0016] The sodium hypochlorite generator 4 is an existing sodium hypochlorite generator device, which generates sodium hypochlorite by electrolyzing sodium chloride aqueous solution.

[0017] A hydrogen discharge port 8 is provided on the top of the sodium hypochlorite storage tank 7, and a hydrogen discharge fan 10 is provided outside the sodium hypochlorite storage tank 7. The hydrogen discharge fan 10 is connected to the inside of the sodium hypochlorite storage tank 7 through a pipeline for discharging hydrogen in the sodium hypochlorite storage tank.

[0018] Metering pumps 6 are provided on the first raw material delivery pipeline 11 near the outlet of the raw material A tank 1, the raw material B delivery pipeline 15 near the outlet of the raw material B tank 2, the sodium chloride delivery pipeline 12 near the outlet of the salt dissolving tank 3, and the sodium hypochlorite delivery pipeline 13 near the outlet of the sodium hypochlorite storage tank 7.

[0019] Valves 16 are provided on the first raw material pipeline 11 and the second raw material pipeline 14 at the two inlets of the chlorine dioxide generator 5 for controlling the flow of the raw materials.

[0020] The sodium hypochlorite generator 4 is also connected to a pickling device 9, which is used to clean the scale in the sodium hypochlorite generator 4.

[0021] The working principle of the disinfectant preparation device involved in this embodiment is as follows: 10 grams of chlorine dioxide A agent is added to the raw material A tank, and 500 mL of water is added, and the mixture is stirred evenly; 10 grams of chlorine dioxide B agent is added to the raw material B tank, and 500 mL of water is added, and the mixture is stirred evenly; 20 grams of sodium chloride is added to the salt dissolving tank, and 500 mL of water is added, and the mixture is stirred evenly; then the sodium chloride aqueous solution is added to the sodium hypochlorite generator through a pipeline for electrolysis to obtain a sodium hypochlorite aqueous solution; then the sodium hypochlorite aqueous solution and the chlorine dioxide B agent aqueous solution are mixed in equal volumes in a pipeline mixer, and then introduced into the chlorine dioxide generator at the same time as the chlorine dioxide A agent aqueous solution, stirred evenly, and activated for 60-90 minutes to generate a disinfectant, which contains chlorine dioxide with a mass concentration of 0.32% and sodium hypochlorite with a mass concentration of 0.32%; the main component of the chlorine dioxide A agent is sodium chlorite; the main component of the chlorine dioxide B agent is sodium bisulfate.

[0022] When the preparation device involved in this embodiment is in use, according to the actual demand for disinfectant, the total amount of chlorine dioxide A aqueous solution added and the total amount of sodium hypochlorite / chlorine dioxide B mixed solution added in the chlorine dioxide generator are controlled by respectively controlling the metering pumps at the outlets of the raw material A tank, the raw material B tank, the salt dissolving tank and the sodium hypochlorite storage tank and the valves of the two inlet pipes of the chlorine dioxide generator, so that the generated disinfectant can be used up within the effective time.

Claims

1. A device for preparing a disinfectant containing sodium hypochlorite and chlorine dioxide, characterized in that: The specific structure includes: a raw material A tank, a raw material B tank, a salt dissolving tank, a sodium hypochlorite generator, a chlorine dioxide generator and a sodium hypochlorite storage tank, wherein the outlet of the raw material A tank is connected to an inlet of the chlorine dioxide generator through a first raw material delivery pipeline; the outlet of the salt dissolving tank is connected to the inlet of the sodium hypochlorite generator through a sodium chloride delivery pipeline; the outlet of the sodium hypochlorite generator is connected to the inlet of the sodium hypochlorite storage tank through a pipeline; the bottom outlet of the sodium hypochlorite storage tank is connected to the sodium hypochlorite delivery pipeline; the outlet of the raw material B tank is connected to the raw material B delivery pipeline, the ends of the sodium hypochlorite delivery pipeline and the raw material B delivery pipeline are both connected to one end of a pipeline mixer, and the other end of the pipeline mixer is connected to another inlet of the chlorine dioxide generator through a second raw material delivery pipeline; a disinfectant outlet is provided at the bottom of the chlorine dioxide generator.

2. The device for preparing a disinfectant containing sodium hypochlorite and chlorine dioxide according to claim 1, characterized in that: The inlets of the raw material A tank, the raw material B tank and the salt dissolving tank are all connected to the water pipe, and stirring rods are arranged in the raw material A tank, the raw material B tank and the salt dissolving tank.

3. The device for preparing a disinfectant containing sodium hypochlorite and chlorine dioxide according to claim 1, characterized in that: The sodium hypochlorite generator is also connected to a pickling device, which is used to clean the scale in the sodium hypochlorite generator.

4. The device for preparing a disinfectant containing sodium hypochlorite and chlorine dioxide according to claim 1, characterized in that: A hydrogen exhaust port is provided on the top of the sodium hypochlorite storage tank, and a hydrogen exhaust fan is provided outside the sodium hypochlorite storage tank. The hydrogen exhaust fan is connected to the inside of the sodium hypochlorite storage tank through a pipeline.

5. The device for preparing a disinfectant containing sodium hypochlorite and chlorine dioxide according to claim 1, characterized in that: Valves are arranged on the first raw material pipeline and the second raw material pipeline at the two inlets of the chlorine dioxide generator.

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