A treatment device for treating wastewater containing chloride ions

Abstract

The utility model discloses a kind of for processing chlorine ion containing sewage treatment device, belong to water pollution treatment technical field.Processing device mainly includes regulating pool, electrolytic cell, neutralization tank, ultraviolet disinfection chamber, clean water discharge pool.First, sewage is preliminarily regulated by regulating pool, ensure water quality stable.Then, sewage enters electrolytic cell, removes chlorine ion in water using electrolytic reaction.Then, sewage flows into neutralization tank, add neutralizing agent to carry out acid-base adjustment, to further reduce harmful ingredients in water.Subsequently, sewage is disinfected by ultraviolet disinfection chamber, ensure water quality reaches discharge standard.Finally, clean water after processing is discharged to clean water discharge pool.The processing device is combined by multiple physical and chemical methods, can efficiently, stably process chlorine ion containing sewage, reach environmental protection discharge requirement, with wide application prospect.

Description

Technical Field

[0001] This utility model relates to the field of chloride ion-containing wastewater treatment technology, and specifically to a treatment device for chloride ion-containing wastewater. Background Technology

[0002] With the continuous advancement of industrialization, many industrial enterprises, especially those in the chemical, metallurgical, electronics, and pharmaceutical industries, generate wastewater containing large amounts of chloride ions and other harmful substances. These pollutants not only severely affect water quality and cause environmental pollution, but may also harm ecosystems and human health. In particular, chloride ions, when their concentration is too high, can increase the corrosivity of water bodies and affect downstream water resource utilization, posing a significant threat to aquatic life and human health.

[0003] Existing wastewater treatment technologies primarily remove pollutants from water through physical, chemical, and biological methods. However, for wastewater containing chloride ions, traditional methods often fail to achieve satisfactory removal results and suffer from problems such as long treatment cycles, high energy consumption, and secondary pollution. Although some treatment devices can remove chloride ions using methods such as chemical precipitation, electrolysis, and ion exchange, these methods are often ineffective in removing chloride ions and may generate large amounts of chemical agents or waste residue during the process, further exacerbating the environmental burden.

[0004] Ultraviolet (UV) disinfection technology, as a chemical-free disinfection method, has been widely used in the water treatment industry. Through UV light irradiation, it can effectively kill bacteria, viruses, and other microorganisms in water. However, UV technology is mainly used for water disinfection and microbial removal, and its effectiveness in removing chloride ions is limited. Therefore, how to combine UV disinfection technology with other wastewater treatment technologies to form a highly efficient, low-energy-consumption, and environmentally friendly integrated treatment device has become an important direction in current water treatment technology research.

[0005] This invention proposes a wastewater treatment device integrating an equalization tank, an electrolytic cell, a neutralization tank, and an ultraviolet disinfection chamber. Through the coordinated operation of different treatment units, it can not only effectively remove chloride ions from the water but also remove microorganisms through ultraviolet disinfection, achieving a highly efficient, environmentally friendly, and low-energy-consumption treatment effect. This device solves the problems of low efficiency, complex operation, and environmental pollution in the treatment of chloride ion wastewater in existing technologies, and has good application prospects. Utility Model Content

[0006] This utility model relates to a treatment device for treating wastewater containing heavy metal chloride ions, belonging to the field of environmental engineering and water treatment technology. Specifically, this utility model provides a wastewater treatment device integrating multiple functions such as adjusting and removing chloride ions, neutralizing wastewater pH, and ultraviolet disinfection. It is suitable for treating industrial wastewater, municipal wastewater, and other wastewater containing chloride ions. This device can effectively reduce the concentration of heavy metal pollutants in water, remove excess chloride ions, and remove microorganisms through ultraviolet disinfection, ensuring that the treated water quality meets environmental discharge standards.

[0007] The objective of this utility model can be achieved through the following technical solutions:

[0008] A treatment device for treating wastewater containing chloride ions includes an equalization tank, a bar screen well is provided above the equalization tank, and an inlet pipe is connected to the bar screen well.

[0009] The electrolytic cell contains an anode plate and a cathode plate, with a porous diaphragm between them. The regulating tank is connected via pipes to the tank near the anode plate and the tank near the cathode plate, respectively.

[0010] The bottom of the electrolytic cell is connected in sequence to a neutralization tank, an ultraviolet disinfection chamber, and a clear water tank.

[0011] In the above-mentioned processing device, a chlorine chamber is provided above the tank near the anode plate, and a hydrogen chamber is provided above the tank near the cathode plate. Both the chlorine chamber and the hydrogen chamber are equipped with a gas detection system.

[0012] In the above-mentioned processing device, both the anode plate and the cathode plate are connected to the power control system.

[0013] In the above-mentioned treatment device, a pH adjustment device is provided above the neutralization tank, and a stirrer is also provided in the neutralization tank.

[0014] In the aforementioned processing device, the ultraviolet lamps in the ultraviolet disinfection chamber are medium-pressure mercury lamps, and the number is 50-150.

[0015] In some specific technical solutions, the contents of this utility model are as follows:

[0016] A treatment device for chloride-containing wastewater mainly includes an equalization tank, an electrolytic cell, a neutralization tank, an ultraviolet disinfection chamber, and a clear water discharge tank. Wastewater undergoes preliminary equalization in the equalization tank to ensure water quality stability. Next, the wastewater enters the electrolytic cell to remove chloride ions through an electrolytic reaction. Then, the wastewater flows into the neutralization tank where a neutralizing agent is added for pH adjustment to further reduce harmful components in the water. Subsequently, the wastewater passes through the ultraviolet disinfection chamber for sterilization to ensure the water quality meets discharge standards. Finally, the treated clear water is discharged into the clear water discharge tank.

[0017] In this utility model, the porous diaphragm in the middle of the electrolytic cell is made of polytetrafluoroethylene (PTFE) with a pore size of 0.1-1μm and a thickness of 0.2-0.5mm.

[0018] In this utility model's technical solution, the ultraviolet radiation dose is 30-100 mJ / cm. 2 The disinfection chamber measures 3-15m in length, 2-4m in width, and 2-3m in height. The chamber shell is made of 304 stainless steel, and the lamp sleeves are made of quartz glass.

[0019] The present invention relates to the application of the device for treating chloride-containing wastewater in the treatment of chloride-containing wastewater.

[0020] The beneficial effects of this utility model are as follows:

[0021] 1. The cathode and anode of the electrolytic cell designed in this utility model generate an electric field, which promotes the reduction or oxidation of chloride ions under the action of the electric field, thus significantly improving the removal efficiency of chloride ions in wastewater.

[0022] The porous membrane design further improves the selectivity of the reaction, avoids interference from other substances, and ensures efficient removal of chloride ions.

[0023] 2. The neutralization tank designed in this utility model can effectively adjust the pH of sewage, avoid damage to subsequent equipment caused by acid-base imbalance in sewage, and neutralize toxic and harmful substances in sewage, thereby improving water quality safety.

[0024] 3. This utility model utilizes ultraviolet irradiation in its designed ultraviolet disinfection chamber to efficiently kill bacteria and viruses in water without the need for chemical agents, thereby reducing the cost of wastewater treatment and minimizing the risk of secondary pollution. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the device of this utility model.

[0026] 1 is the inlet pipe, 2 is the bar screen well, 3 is the equalization tank, 4 is the sewage lift pump, 5 is the water delivery pipe, 6 is the anode plate, 7 is the cathode plate, 8 is the porous diaphragm, 9 is the power control system, 10 is the chlorine exhaust pipe, 11 is the hydrogen exhaust pipe, 12 is the chlorine chamber, 13 is the hydrogen chamber, 14 is the chlorine detection system, 15 is the hydrogen detection system, 16 is the electrolytic cell, 17 is the second water delivery pipe, 18 is the stirrer, 19 is the pH adjustment device, 20 is the neutralization tank, 21 is the third water delivery pipe, 22 is the ultraviolet disinfection chamber, 23 is the return water pipe, 24 is the clear water tank, and 25 is the drain outlet. Detailed Implementation

[0027] The present invention will be further described below with reference to embodiments, but the scope of protection of the present invention is not limited thereto:

[0028] like Figure 1 As shown, a treatment device for treating wastewater containing chloride ions is provided. The treatment device includes an equalization tank 3, a bar screen well 2 is provided above the equalization tank 3, and an inlet pipe 1 is connected to the bar screen well 2.

[0029] The electrolytic cell 16 is equipped with an anode plate 6 and a cathode plate 7, and a porous diaphragm 8 is provided between the anode plate 6 and the cathode plate 7. The regulating tank 3 is connected to the tank body near the anode plate 6 and the tank body near the cathode plate 7 respectively through pipes.

[0030] The bottom of the electrolytic cell 16 is connected in sequence to the neutralization tank 20, the ultraviolet disinfection chamber 22, and the clear water tank 24.

[0031] A chlorine chamber 12 is provided above the tank near the anode plate 6, and a hydrogen chamber 13 is provided above the tank near one end of the cathode plate 7. Both the chlorine chamber 12 and the hydrogen chamber 13 are equipped with a gas detection system.

[0032] Both the anode plate 6 and the cathode plate 7 are connected to the power control system 9. A pH adjustment device 19 is installed above the neutralization tank 20, and a stirrer 18 is also installed in the neutralization tank 20. The ultraviolet lamps in the ultraviolet disinfection chamber 22 are medium-pressure mercury lamps, numbering 50-150.

[0033] The specific working process and principle of this utility model:

[0034] Chloride-containing wastewater flows into the screen well through the inlet pipe. After passing through the screen, large suspended solids are removed, and the wastewater flows into the equalization tank. The equalization tank balances the wastewater flow and water quality, ensuring stability in subsequent treatment processes. Then, the wastewater flows through the pipeline to the electrolytic cell via a wastewater lift pump. The cathode and anode in the electrolytic cell generate an electric field, causing chloride ions to undergo reduction or oxidation reactions under the influence of the electric field, improving the removal efficiency of chloride ions in the wastewater. The porous membrane design further improves the selectivity of the reaction, avoiding interference from other substances and ensuring highly efficient chloride ion removal. Through electrolysis, chlorine and hydrogen are stored separately in two sealed gas chambers. The chlorine will be safely disposed of through appropriate treatment, while the hydrogen may be used for other purposes, such as energy recovery. The wastewater then flows to the neutralization tank through the pipeline. The wastewater may have changed its pH value after the electrolysis process. A pH adjustment device is used to adjust the acidity and alkalinity of the water, further purifying the water and ensuring that the water quality in subsequent treatment stages meets the required standards. Then, the water flows through the water supply pipe to the ultraviolet disinfection chamber, where ultraviolet light kills pathogenic microorganisms and viruses in the sewage to further purify the water. After that, the water flows through the water supply pipe to the clear water discharge pool to store the treated clear water. After ensuring that the water quality is stable and meets the requirements for discharge or reuse, the water flows out through the outlet pipe to the next unit.

[0035] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model's technical solution. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the content of the present utility model's technical solution shall still fall within the scope of the present utility model's technical solution.

[0036] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

Claims

1. A treatment apparatus for treating wastewater containing chloride ions, characterized in that, The treatment device includes a regulating tank (3), a bar screen well (2) is provided above the regulating tank (3), and the water inlet (1) is connected to the bar screen well (2); An anode plate (6) and a cathode plate (7) are provided in the electrolytic cell (16), and a porous diaphragm (8) is provided between the anode plate (6) and the cathode plate (7). The regulating tank (3) is connected to the tank body near the anode plate (6) and the tank body near the cathode plate (7) respectively through pipes. The bottom of the electrolytic cell (16) is connected in sequence to the neutralization tank (20), the ultraviolet disinfection chamber (22), and the clear water tank (24).

2. The treatment apparatus for treating chloride-containing wastewater according to claim 1, characterized in that, A chlorine chamber (12) is provided above the tank near the anode plate (6), and a hydrogen chamber (13) is provided above the tank near the cathode plate (7). Both the chlorine chamber (12) and the hydrogen chamber (13) are equipped with gas detection systems.

3. The treatment apparatus for treating chloride-containing wastewater according to claim 1, characterized in that, Both the anode plate (6) and the cathode plate (7) are connected to the power control system (9).

4. The treatment apparatus for treating chloride-containing wastewater according to claim 1, characterized in that, A pH adjustment device (19) is provided above the neutralization tank (20), and a stirrer (18) is also provided in the neutralization tank (20).

5. The treatment apparatus for treating chloride-containing wastewater according to claim 1, characterized in that, The ultraviolet lamps in the ultraviolet disinfection chamber (22) are medium-pressure mercury lamps, and the number is 50-150.

Images