Hypochlorous acid waste liquid decomposition reactor

Abstract

The hypochlorous acid waste liquid decomposition reactor comprises a reaction tank, a medicament feeding device and an analyzer assembly, a hypochlorous acid waste liquid inlet is formed in one side of the reaction tank, an outlet is formed in the other side of the reaction tank, and the medicament feeding device comprises a treatment medicament storage tank, a medicament flow regulating valve assembly and a medicament feeding pipe assembly. One end of the agent feeding pipe assembly is connected with the treatment agent storage tank, the other end of the agent feeding pipe assembly is located in the reaction tank, the agent flow adjusting valve assembly is arranged on the agent feeding pipe assembly, and the analyzer assembly is in signal connection with the agent flow adjusting valve assembly. A stirring device assembly for uniformly mixing sodium hypochlorite waste liquid and a medicament and a thermometer assembly for detecting the temperature of the reaction tank are arranged in the reaction tank. The device improves the decomposition efficiency of the hypochlorous acid waste liquid and ensures that the waste liquid is fully treated.

Description

TECHNICAL FIELD

[0001] The utility model relates to hypochlorous acid waste liquid treatment technical field, concretely relates to a hypochlorous acid waste liquid decomposition reactor. BACKGROUND

[0002] With the continuous development of economy, industrial production also obtains the rapid development, and the influence to the environment is also increasing day by day, and in many production, tail gas will have part chlorine, and chlorine is relatively serious to the environment, can pollute water body, soil and air, has the harm to all plants and animals, also can injure respiratory tract of human body. Therefore, it is particularly important to carry out harmless treatment to chlorine in reaction tail gas.

[0003] At present, chlorine in reaction tail gas is mostly absorbed by sodium hydroxide solution to produce sodium hypochlorite, although sodium hypochlorite can be used in disinfection and sterilization, but for factory, sodium hypochlorite is unstable, and long-time preservation and transportation can decompose into sodium chloride and chlorine, still can cause influence to the environment, and low-concentration sodium hypochlorite solution is also very difficult to handle for factory, and the current sodium hypochlorite decomposition technology is catalytic decomposition through catalyst, and this method has high investment cost, and oxygen generated by decomposition can also cause danger if not handled properly. UTILITARY MODEL CONTENT

[0004] The utility model aims at providing a hypochlorous acid waste liquid decomposition reactor, and solves the above problems existing in the current hypochlorous acid waste liquid treatment.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A hypochlorous acid waste liquid decomposition reactor, comprising a reaction tank, a reagent feeding device and an analyzer assembly, one side of the reaction tank is provided with a hypochlorous acid waste liquid inlet, and the other side is provided with an outlet, the reagent feeding device comprises a treatment reagent storage tank, a reagent flow regulating valve assembly and a reagent feeding pipe assembly, one end of the reagent feeding pipe assembly is connected with the treatment reagent storage tank, and the other end is located in the reaction tank, the reagent flow regulating valve assembly is arranged on the reagent feeding pipe assembly, the analyzer assembly and the reagent flow regulating valve assembly are signal connected, and the reaction tank is provided with a stirring device assembly for mixing hypochlorite sodium waste liquid and reagent and a thermometer assembly for detecting the temperature of the reaction tank.

[0007] Further, the reaction tank is provided with a first reaction zone and a second reaction zone, a first overflow plate is arranged between the first reaction zone and the second reaction zone, and the reaction liquid in the first reaction zone flows into the second reaction zone through the first overflow plate.

[0008] Further, the medicament feeding pipe assembly comprises a first medicament feeding pipe and a second medicament feeding pipe, one end of the first medicament feeding pipe and the second medicament feeding pipe is connected with the treatment medicament storage tank, the other end of the first medicament feeding pipe is located in the first reaction area, and the other end of the second medicament feeding pipe is located in the second reaction area.

[0009] Further, the medicament flow regulating valve assembly comprises a first medicament flow regulating valve and a second medicament flow regulating valve, the first medicament flow regulating valve is arranged on the first medicament feeding pipe, the second medicament flow regulating valve is arranged on the second medicament feeding pipe, the analyzer assembly comprises a first analyzer and a second analyzer, the first analyzer is arranged in the first reaction area and is signal connected with the first medicament flow regulating valve, and the second analyzer is arranged in the second reaction area and is signal connected with the second medicament flow regulating valve.

[0010] Further, an inlet baffle is arranged on the inner wall of the reaction tank at the hypochlorous acid waste liquid inlet.

[0011] Further, the stirring device assembly comprises a first stirrer and a second stirrer, the first stirrer is arranged in the first reaction area, and the second stirrer is arranged in the second reaction area; and the thermometer assembly comprises a first thermometer and a second thermometer, the first thermometer is arranged in the first reaction area, and the second thermometer is arranged in the second reaction area.

[0012] The reaction tank is also provided with a discharge adjusting area, the discharge adjusting area is arranged in a separated mode through a second overflow plate with the second reaction area, the outlet is located in the discharge adjusting area, an on-line pH meter is arranged in the discharge adjusting area, a dilute hydrochloric acid storage tank is connected with the discharge adjusting area through an adjusting pipe, a dilute hydrochloric acid flow regulating valve is arranged on the adjusting pipe, and the dilute hydrochloric acid flow regulating valve is signal connected with the on-line pH meter.

[0013] The utility model discloses the beneficial effects of the following:

[0014] The utility model discloses hypochlorous acid waste liquid decomposition reactor, through optimizing the structure design of reaction tank, divide reaction tank into first reaction area and second reaction area, and set up overflow plate and make reaction liquid orderly flow, this design improves hypochlorous acid waste liquid's decomposition efficiency significantly, ensures that waste liquid is fully treated. The medicament feeding device is configured with a double-pipe feeding system, which can feed medicaments according to the reaction conditions of different reaction zones. Combined with the real-time monitoring and feedback control of the medicament flow regulating valve assembly and the analyzer assembly, the flexibility and accuracy of medicament feeding are realized, which avoids waste of medicaments and ensures treatment effect. The setting of the stirring device assembly and the thermometer assembly effectively monitors the mixing effect and temperature during the reaction process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the hypochlorous acid waste liquid decomposition reactor of the utility model.

[0016] The names corresponding to the marks in the figure are:

[0017] 1. Reaction pool,

[0018] 2. Import of hypochlorous acid waste liquid,

[0019] 3. Export,

[0020] 4. Handle the chemical storage tank,

[0021] 7. The first reaction zone,

[0022] 8. The second reaction zone,

[0023] 9. The first overflow plate,

[0024] 10. First medicine delivery tube,

[0025] 11. Second medicine delivery tube,

[0026] 12. The first agent flow regulating valve,

[0027] 13. Second agent flow regulating valve,

[0028] 14. First Analyzer,

[0029] 15. Second analyzer,

[0030] 16. Imported baffle,

[0031] 17. First agitator,

[0032] 18. Second stirrer,

[0033] 19. The first thermometer,

[0034] 20. Second thermometer,

[0035] 21. Emission Control Area,

[0036] 22. Second overflow plate,

[0037] 23. Online pH meter,

[0038] 24. Regulating tube,

[0039] 25. Dilute hydrochloric acid storage tank,

[0040] 26. Dilute hydrochloric acid flow regulating valve. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0042] As shown in the figure, a hypochlorous acid waste liquid decomposition reactor comprises a reaction tank 1, a medicament feeding device and an analyzer assembly. Figure 1 The reaction tank 1 is provided with a hypochlorous acid waste liquid inlet 2 on one side, which is used to introduce the hypochlorous acid waste liquid into the reaction tank 1. The other side of the reaction tank 1 is provided with an outlet 3, which is used to discharge the treated waste liquid.

[0043] The medicament feeding device comprises a treatment medicament storage tank 4, a medicament flow regulating valve assembly and a medicament feeding pipe assembly. The treatment medicament storage tank 4 is used to store the medicament used for reaction with the hypochlorous acid waste liquid, such as 6% to 10% hydrogen peroxide solution or 20% to 30% sodium bisulfite or sodium thiosulfate solution. One end of the medicament feeding pipe assembly is connected with the treatment medicament storage tank 4, and the other end extends into the reaction tank 1, so as to feed the medicament into the reaction tank 1. The medicament flow regulating valve assembly is arranged on the medicament feeding pipe assembly, which is used to regulate the feeding flow of the medicament.

[0044] The analyzer assembly is signal connected with the medicament flow regulating valve assembly, which is used to monitor the reaction in the reaction tank 1 in real time, and adjust the feeding flow of the medicament according to the monitoring result.

[0045] The reaction tank 1 is provided with a stirring device assembly and a thermometer assembly. The stirring device assembly is used to mix the sodium hypochlorite waste liquid and the medicament, so as to ensure that the reaction is fully carried out. The thermometer assembly is used to detect the temperature of the reaction tank 1, so as to monitor the reaction process.

[0046] Further, the reaction tank 1 is provided with a first reaction zone 7 and a second reaction zone 8. A first overflow plate 9 is arranged between the first reaction zone 7 and the second reaction zone 8, and the reaction liquid in the first reaction zone 7 flows into the second reaction zone 8 through the first overflow plate 9. This design makes the reaction process more sufficient.

[0047] The medicament feeding pipe assembly comprises a first medicament feeding pipe 10 and a second medicament feeding pipe 11. One end of the first medicament feeding pipe 10 and the second medicament feeding pipe 11 is connected with the treatment medicament storage tank 4, and the other end extends into the first reaction zone 7 and the second reaction zone 8 respectively. In this way, the medicament can be fed according to the reaction condition of different reaction zones, which is more flexible.

[0048] The medicament flow regulating valve assembly comprises a first medicament flow regulating valve 12 and a second medicament flow regulating valve 13. The first medicament flow regulating valve 12 is arranged on the first medicament feeding pipe 10, and the second medicament flow regulating valve 13 is arranged on the second medicament feeding pipe 11. The analyzer assembly comprises a first analyzer 14 and a second analyzer 15. The first analyzer 14 is arranged in the first reaction zone 7 and is signal connected with the first medicament flow regulating valve 12, and the second analyzer 15 is arranged in the second reaction zone 8 and is signal connected with the second medicament flow regulating valve 13. In this way, the feeding flow of the medicament can be independently regulated according to the reaction condition of each reaction zone, so that the accuracy and efficiency of the reaction are improved.

[0049] An inlet baffle 16 is arranged on the inner wall of the reaction tank 1 at the hypochlorous acid waste liquid inlet 2, so as to prevent the entering hypochlorous acid waste liquid from directly impacting the inner wall of the reaction tank 1 and causing splashing or vortex.

[0050] The stirring device assembly comprises a first stirrer 17 and a second stirrer 18. The first stirrer 17 is arranged in the first reaction zone 7, and the second stirrer 18 is arranged in the second reaction zone 8. In this way, the reaction liquid in each reaction zone can be fully stirred and mixed.

[0051] The reaction tank 1 further comprises a discharge adjusting zone 21. The discharge adjusting zone 21 is arranged in the second reaction zone 8 through a second overflow plate 22. The outlet 3 is arranged in the discharge adjusting zone 21. An on-line pH meter 23 is arranged in the discharge adjusting zone 21, so as to monitor the pH value of the discharge liquid in real time. The discharge adjusting zone 21 is connected with a dilute hydrochloric acid storage tank 25 through an adjusting pipe 24. A dilute hydrochloric acid flow regulating valve 26 is arranged on the adjusting pipe 24. The dilute hydrochloric acid flow regulating valve 26 is signal connected with the on-line pH meter 23, so as to adjust the feeding amount of the dilute hydrochloric acid according to the monitoring result of the on-line pH meter 23, so as to ensure that the pH value of the discharge liquid meets the environmental protection requirements.

[0052] Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

Claims

1. A hypochlorous acid waste solution decomposition reactor characterized by: The utility model relates to a sodium hypochlorite waste liquid treatment device, including reaction pool, medicament delivery device and analysis appearance component, one side of reaction pool is provided with sodium hypochlorite waste liquid import, and the other side is provided with export, medicament delivery device includes processing medicament storage tank, medicament flow regulating valve component and medicament delivery pipe component, one end of medicament delivery pipe component is connected with processing medicament storage tank, and the other end is located in reaction pool, medicament flow regulating valve component is arranged on medicament delivery pipe component, analysis appearance component and medicament flow regulating valve component are signal connected, be provided with the stirring device component for mixing sodium hypochlorite waste liquid and medicament and the thermometer component for detecting the temperature of reaction pool in reaction pool.

2. The hypochlorous acid waste solution decomposition reactor according to claim 1, characterized by: The reaction pool is provided with a first reaction zone and a second reaction zone, and a first overflow plate is arranged between the first reaction zone and the second reaction zone.

3. The hypochlorous acid waste solution decomposition reactor according to claim 2, characterized by: The medicament delivery pipe component includes a first medicament delivery pipe and a second medicament delivery pipe, one end of the first medicament delivery pipe and the second medicament delivery pipe is connected with the processing medicament storage tank, the other end of the first medicament delivery pipe is located in the first reaction zone, and the other end of the second medicament delivery pipe is located in the second reaction zone.

4. The hypochlorous acid waste solution decomposition reactor according to claim 3, characterized by: The medicament flow regulating valve component includes a first medicament flow regulating valve and a second medicament flow regulating valve, the first medicament flow regulating valve is arranged on the first medicament delivery pipe, the second medicament flow regulating valve is arranged on the second medicament delivery pipe, the analysis appearance component includes a first analysis appearance and a second analysis appearance, the first analysis appearance is arranged in the first reaction zone and is signal connected with the first medicament flow regulating valve, and the second analysis appearance is arranged in the second reaction zone and is signal connected with the second medicament flow regulating valve.

5. The hypochlorous acid waste solution decomposition reactor according to claim 4, characterized by: An inlet baffle is arranged on the inner wall of the reaction pool at the sodium hypochlorite waste liquid import.

6. The hypochlorous acid waste solution decomposition reactor according to claim 5, characterized by: The stirring device component includes a first stirrer and a second stirrer, the first stirrer is arranged in the first reaction zone, the second stirrer is arranged in the second reaction zone, the thermometer component includes a first thermometer and a second thermometer, the first thermometer is arranged in the first reaction zone, and the second thermometer is arranged in the second reaction zone.

7. The hypochlorous acid waste solution decomposition reactor according to claim 6, characterized by: The reaction pool is further provided with a discharge adjusting zone, the discharge adjusting zone is arranged separately from the second reaction zone through a second overflow plate, the outlet is located in the discharge adjusting zone, an on-line pH meter is arranged in the discharge adjusting zone, the discharge adjusting zone is connected with a dilute hydrochloric acid storage tank through an adjusting pipe, a dilute hydrochloric acid flow regulating valve is arranged on the adjusting pipe, and the dilute hydrochloric acid flow regulating valve is signal connected with the on-line pH meter.

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