Multi-stage filtration sewage treatment equipment

Abstract

The utility model discloses multi-stage filtration sewage treatment equipment, which comprises a treatment tank and a filter tank, the treatment tank is positioned on one side outside the filter tank, a fan is arranged at the top end outside the treatment tank, a purification assembly is arranged on one side of the fan, the purification assembly comprises a purification tower, and the purification tower is arranged in the treatment tank. A filter screen, an activated carbon adsorption layer and a zeolite adsorption layer are arranged in the purification tower, and a second blow-off pipe is arranged below the front side of the treatment pond. According to the utility model, the wind scooper, the fan and the subsequent purification components (comprising the purification tower, the filter screen, the activated carbon adsorption layer and the zeolite adsorption layer) are arranged at the top of the treatment tank, so that the harmful gas generated in the treatment tank is effectively extracted and purified, and the design not only improves the working environment of a sewage treatment site, but also improves the working efficiency. The harm of harmful gas to personnel and the surrounding environment is reduced, the environmental protection requirement is met, and the green and sustainable development concept is embodied.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a multi-stage filtration wastewater treatment device. Background Technology

[0002] Wastewater treatment equipment is a specialized device for treating wastewater. It removes pollutants from wastewater through physical, chemical, or biological methods, ensuring that the water quality meets discharge standards or reuse water quality requirements. Untreated wastewater may contain various harmful substances, including organic matter, nitrogen compounds, phosphorus compounds, heavy metals, bacteria, and viruses. If these pollutants are directly discharged into natural water bodies, they will pose a serious threat to ecosystems and human health. Wastewater treatment equipment can also promote water resource reuse. Appropriately treated wastewater can be used for irrigation of farmland, industrial water use, urban greening, and many other purposes, thereby reducing dependence on freshwater resources.

[0003] Existing wastewater treatment processes often generate waste gases containing harmful substances, such as malodorous gases. If these waste gases are directly discharged into the atmosphere, they pose a potential threat to the surrounding environment and residents' health, thereby exacerbating environmental pollution problems. For example, a wastewater treatment tank for preventing the spread of odors disclosed in patent CN222524211U, although the sealing cover in the patent can effectively prevent the spread of odors, only provides an active gas purification function through physical sealing. This means that if harmful and odorous gases are generated in the treatment tank, these gases will be trapped in the treatment tank and cannot be effectively removed. The long-term accumulation of harmful and odorous gases may lead to the deterioration of air quality in the treatment tank, posing a potential threat to the health of operators, especially in closed or poorly ventilated environments, where this risk is more significant.

[0004] Therefore, it is necessary to invent a multi-stage filtration wastewater treatment device to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a multi-stage filtration wastewater treatment device to solve the problem that the waste gas and odorous gases generated during the wastewater treatment process cannot be filtered and purified in multiple stages.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a multi-stage filtration wastewater treatment device, comprising a treatment tank and a filtration tank. The treatment tank is located on one side outside the filtration tank. A filtration assembly is installed inside the filtration tank. An air guide hood is installed at the top inside the treatment tank. A screen is installed inside the air guide hood. A blower is installed at the top outside the treatment tank. The air inlet of the blower is connected to the air outlet of the air guide hood. A purification assembly is installed on one side of the blower. The purification assembly includes a purification tower. A filter screen, an activated carbon adsorption layer, and a zeolite adsorption layer are installed inside the purification tower. A second sewage discharge pipe is installed below the front side of the treatment tank.

[0007] Preferably, a water pump is installed between the filtration tank and the treatment tank. The inlet of the water pump is connected to the outlet of the filtration tank, and the outlet of the water pump is connected to the inlet of the treatment tank through an inlet pipe. The water pump can provide the necessary power to ensure that the wastewater filtered by the filtration tank can smoothly enter the treatment tank for further treatment.

[0008] Preferably, the filtration assembly includes a first filter screen, a second filter screen, and a third filter screen, with the second filter screen located between the first and third filter screens. The pore size of the first filter screen is larger than that of the second filter screen, and the pore size of the second filter screen is larger than that of the third filter screen. The multi-layer filter screen can more effectively intercept and remove suspended solids, particulate matter, etc. in the wastewater, thereby improving the wastewater purification effect.

[0009] Preferably, the filter assembly further includes a slider and a chute. The slider is located on the side walls of the first, second, and third filters, and the chute is formed on the inner wall of the filter tank. The slider and the chute are slidably connected to each other, which facilitates the disassembly, cleaning, and replacement of the first, second, and third filters.

[0010] Preferably, a plurality of No. 1 sewage pipes are provided on the front side of the filter pool, and each of the plurality of No. 1 sewage pipes is equipped with a switch valve to facilitate the discharge of dirt and impurities deposited at the bottom of the pool.

[0011] Preferably, the air inlet of the fan is connected to the air outlet of the air guide hood, and the air outlet of the fan is connected to the air inlet of the purification tower, so that harmful gases generated in the treatment pool can be extracted and purified by the purification tower.

[0012] Preferably, the activated carbon adsorption layer is located between the filter screen and the zeolite adsorption layer, and the outer walls of the activated carbon adsorption layer, the filter screen, and the zeolite adsorption layer are in close contact with the inner wall of the purification tower, which can ensure that the gas is fully contacted and effectively purified.

[0013] Preferably, the air outlet of the purification tower is equipped with an exhaust pipe, which can safely and harmlessly discharge the purified gas into the atmosphere.

[0014] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0015] 1. The filter tank of this utility model is equipped with a multi-stage filtration component (including filter screen No. 1, filter screen No. 2 and filter screen No. 3), which realizes multi-stage filtration treatment of sewage. This multi-stage filtration system can gradually remove impurities such as suspended solids and particulate matter in sewage, effectively improving the purification effect of sewage. Compared with the traditional single-stage filtration method, multi-stage filtration can remove pollutants in sewage more comprehensively, making the treated water clearer and purer. Moreover, the first, second and third filter screens are easy to disassemble, clean and maintain afterward by sliding installation of sliders and troughs.

[0016] 2. This utility model achieves effective extraction and purification of harmful gases generated in the treatment tank by setting a wind guide hood and a fan at the top of the treatment tank, as well as subsequent purification components (including a purification tower, filter screen, activated carbon adsorption layer and zeolite adsorption layer). This design not only improves the working environment at the sewage treatment site and reduces the harm of harmful gases to personnel and the surrounding environment, but also meets environmental protection requirements and embodies the concept of green and sustainable development. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a three-dimensional cross-sectional structural diagram of the filter tank of this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the slider and groove of this utility model;

[0020] Figure 4 This is a three-dimensional structural diagram of the air guide cover and mesh of this utility model;

[0021] Figure 5 This is a three-dimensional cross-sectional structural diagram of the purification tower of this utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Treatment tank; 2. Filtration tank; 3. Water pump; 4. Filtration assembly; 401. Filter screen No. 1; 402. Filter screen No. 2; 403. Filter screen No. 3; 404. Sliding block; 405. Slide chute; 5. Drainage pipe No. 1; 6. Inlet pipe; 7. Air guide hood; 8. Cover screen; 9. Fan; 10. Purification assembly; 1001. Purification tower; 1002. Filter screen; 1003. Activated carbon adsorption layer; 1004. Zeolite adsorption layer; 11. Exhaust pipe; 12. Drainage pipe No. 2. Detailed Implementation

[0024] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0025] This utility model provides, for example Figure 1-5 The illustrated multi-stage filtration wastewater treatment equipment includes a treatment tank 1 and a filter tank 2. The treatment tank 1 is located on one side outside the filter tank 2. A water pump 3 is installed between the filter tank 2 and the treatment tank 1. The inlet of the water pump 3 is connected to the outlet of the filter tank 2, and the outlet of the water pump 3 is connected to the inlet of the treatment tank 1 via an inlet pipe 6. A filter assembly 4 is installed inside the filter tank 2. Multiple primary sewage pipes 5 are installed on the front side of the filter tank 2, and on / off valves are installed on the multiple primary sewage pipes 5. A guide hood 7 is installed at the top inside the treatment tank 1, and a mesh 8 is installed inside the guide hood 7. A fan 9 is installed at the top outside the treatment tank 1. The air inlet of the fan 9 is connected to the air outlet of the guide hood 7. A purification component 10 is installed on one side of the fan 9. The purification component 10 includes a purification tower 1001. The purification tower 1001 has a filter screen 1002, an activated carbon adsorption layer 1003 and a zeolite adsorption layer 1004 installed inside. A second sewage pipe 12 is installed at the bottom front of the treatment tank 1.

[0026] The filter assembly 4 includes a first filter screen 401, a second filter screen 402, and a third filter screen 403. The second filter screen 402 is located between the first filter screen 401 and the third filter screen 403. The pore size of the first filter screen 401 is larger than that of the second filter screen 402, and the pore size of the second filter screen 402 is larger than that of the third filter screen 403. The filter assembly 4 also includes a slider 404 and a chute 405. The slider 404 is located on the side walls on both sides of the first filter screen 401, the second filter screen 402, and the third filter screen 403. The chute 405 is formed on the inner wall of the filter pool 2. The slider 404 and the chute 405 are slidably connected.

[0027] The filter assembly 4 consists of filter screen 401, filter screen 402, and filter screen 403, forming a three-stage filtration system. These filters are arranged in order of pore size, with filter screen 401 having the largest pore size to initially intercept larger suspended solids and particles; filter screen 402 having a smaller pore size to further remove medium-sized impurities; and filter screen 403 having the smallest pore size to trap even finer particles, ensuring deep purification of wastewater. To facilitate the disassembly, cleaning, and replacement of filter screens 401, 402, and 403, sliders 404 are installed on both sides of each filter screen. Additionally, grooves 405 matching the sliders 404 are provided on the inner wall of the filter tank 2. This sliding connection allows filter screens 401, 402, and 403 to be easily pulled out or pushed into the filter tank 2, greatly improving maintenance convenience.

[0028] The air inlet of the fan 9 is connected to the air outlet of the air guide hood 7, and the air outlet of the fan 9 is connected to the air inlet of the purification tower 1001. The activated carbon adsorption layer 1003 is located between the filter screen 1002 and the zeolite adsorption layer 1004. The outer walls of the activated carbon adsorption layer 1003, the filter screen 1002 and the zeolite adsorption layer 1004 are tightly attached to the inner wall of the purification tower 1001. An exhaust pipe 11 is provided at the air outlet of the purification tower 1001.

[0029] The installed fan 9 ensures that the harmful gases generated in the treatment tank 1 can be effectively extracted and sent to the purification tower 1001 for further treatment. The purification tower 1001 is equipped with a filter screen 1002, an activated carbon adsorption layer 1003, and a zeolite adsorption layer 1004. These purification media are arranged in sequence to form a multi-layer purification system. The setting of the activated carbon adsorption layer 1003 and the zeolite adsorption layer 1004 further improves the purification efficiency and quality of the waste gas. Activated carbon can remove a variety of harmful gas components with its excellent adsorption performance; while the zeolite adsorption layer 1004 can further purify the gas by utilizing its porous structure and ion exchange capacity. The combined use of this multi-layer purification system makes the waste gas treatment more comprehensive and efficient.

[0030] Working principle of this utility model:

[0031] Refer to the instruction manual appendix Figure 1-3 When using this utility model, the wastewater to be treated is first introduced into the filter tank 2. The wastewater undergoes a three-stage filtration system in the filter tank 2. First, the first filter screen 401 intercepts larger suspended solids and particles; then, the second filter screen 402 further removes medium-sized impurities; finally, the third filter screen 403 traps even finer particles, ensuring deep purification of the wastewater. The wastewater treated in the filter tank 2 is then pumped by the water pump 3 and transported to the treatment tank 1 through the inlet pipe 6. In the treatment tank 1, disinfectants such as ozone and chlorine dioxide can be used for disinfection, and the wastewater is then further treated.

[0032] Refer to the instruction manual appendix Figure 4-5 When using this utility model, the harmful gases generated in the treatment tank 1 are effectively extracted by the fan 9 through the air guide 7. The extracted harmful gases are sent to the purification tower 1001 for further treatment through the air outlet of the fan 9. Inside the purification tower 1001, the harmful gases first pass through the filter screen 1002 to remove larger particles; then, they are adsorbed by the activated carbon adsorption layer 1003 to remove various harmful gas components; finally, the gases are further purified by the porous structure and ion exchange capacity of the zeolite adsorption layer 1004. The exhaust gas after being treated by the purification tower 1001 is safely and harmlessly discharged into the atmosphere through the exhaust pipe 11.

Claims

1. A multi-stage filtration wastewater treatment device, comprising a treatment tank (1) and a filtration tank (2), characterized in that: The treatment tank (1) is located on one side outside the filter tank (2). The filter tank (2) is equipped with a filter assembly (4). The top of the treatment tank (1) is equipped with a guide hood (7). The inside of the guide hood (7) is equipped with a mesh screen (8). The top of the treatment tank (1) is equipped with a fan (9). The air inlet of the fan (9) is connected to the air outlet of the guide hood (7). A purification assembly (10) is provided on one side of the fan (9). The purification assembly (10) includes a purification tower (1001). The purification tower (1001) is equipped with a filter screen (1002), an activated carbon adsorption layer (1003), and a zeolite adsorption layer (1004). A second sewage pipe (12) is provided below the front side of the treatment tank (1).

2. The multi-stage filtration wastewater treatment equipment according to claim 1, characterized in that: A water pump (3) is provided between the filter tank (2) and the treatment tank (1). The inlet end of the water pump (3) is connected to the outlet end of the filter tank (2), and the outlet end of the water pump (3) is connected to the inlet end of the treatment tank (1) through an inlet pipe (6).

3. The multi-stage filtration wastewater treatment equipment according to claim 1, characterized in that: The filter assembly (4) includes a first filter (401), a second filter (402), and a third filter (403). The second filter (402) is located between the first filter (401) and the third filter (403). The pore size of the first filter (401) is larger than that of the second filter (402), and the pore size of the second filter (402) is larger than that of the third filter (403).

4. The multi-stage filtration wastewater treatment equipment according to claim 3, characterized in that: The filter assembly (4) further includes a slider (404) and a chute (405). The slider (404) is located on the side walls of the first filter screen (401), the second filter screen (402) and the third filter screen (403). The chute (405) is opened on the inner wall of the filter pool (2). The slider (404) and the chute (405) are slidably connected.

5. The multi-stage filtration wastewater treatment equipment according to claim 2, characterized in that: Multiple No. 1 sewage pipes (5) are provided on the front side of the filter pool (2), and each No. 1 sewage pipe (5) is equipped with a switch valve.

6. The multi-stage filtration wastewater treatment equipment according to claim 1, characterized in that: The air inlet of the fan (9) is connected to the air outlet of the air guide shroud (7), and the air outlet of the fan (9) is connected to the air inlet of the purification tower (1001).

7. The multi-stage filtration wastewater treatment equipment according to claim 1, characterized in that: The activated carbon adsorption layer (1003) is located between the filter screen (1002) and the zeolite adsorption layer (1004), and the outer walls of the activated carbon adsorption layer (1003), the filter screen (1002) and the zeolite adsorption layer (1004) are in close contact with the inner wall of the purification tower (1001).

8. The multi-stage filtration wastewater treatment equipment according to claim 7, characterized in that: The air outlet of the purification tower (1001) is equipped with an exhaust pipe (11).

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