Multi-medium sewage pretreatment filter

Abstract

The utility model belongs to the technical field of sewage pretreatment, and particularly relates to a multi-medium sewage pretreatment filter which comprises a base, a filtering structure mounted at the top of the base, a water inlet and outlet structure mounted in the middle of the right side of the outer surface of the filtering structure, and a sterilizing structure arranged on the front surface and the top of the filtering structure, the spraying unit comprises a pressure pump, the output end of the pressure pump is connected with a conveying pipe, a sealing bearing is installed at the end, away from the pressure pump, of the conveying pipe, a rotating pipe is installed in the sealing bearing, spiral blades are installed in the rotating pipe, and the bottom end of the rotating pipe is connected with a spraying head. According to the multi-medium sewage pretreatment filter, the asynchronous motor is started to drive the transmission part and the mixing part to carry out transmission, so that chemicals are mixed, then the pressurizing pump is used for spraying and dosing through the conveying pipe, the rotating pipe and the spraying head, and in the dosing process, the spiral blade and the sealing bearing are used for enabling the spraying head to carry out rotary spraying and dosing; and the disinfecting and killing effect is better.

Description

Technical Field

[0001] This utility model relates to the field of wastewater pretreatment technology, specifically a multi-media wastewater pretreatment filter. Background Technology

[0002] A multi-media wastewater filter is a device that uses filter media of different densities and particle sizes for water treatment. It mainly improves water quality by gradually removing impurities and pollutants such as suspended solids, colloids, organic matter, rust, and microorganisms from water through physical and chemical actions, utilizing the molecular sieve effect and chemical adsorption of different media.

[0003] However, multi-media filters are affected by suspended solids, high turbidity, and microbial contamination in circulating cooling water. The quartz sand filter media inside the filters is prone to caking and reduced flux, which affects the operation of subsequent membrane systems. At the same time, frequent replacement of filter media also increases the treatment cost of circulating water.

[0004] A multi-media filter device suitable for pretreatment of circulating wastewater, as disclosed in Chinese Patent CN221412336U, comprises a product water tank, a multi-media filter, an air inlet pipe, and a sewage discharge tank. The multi-media filter is connected to the sewage discharge tank to receive and filter the wastewater. The multi-media filter is also connected to the product water tank to transport the filtered water. The air inlet pipe is connected to the multi-media filter to provide air for air washing. By allowing air to pass through the multi-media filter for air washing, combined with the water washing capability of the filter itself, multiple backwashing methods can be implemented. This reduces the probability of filter media caking and clogging, solving the problems of easy caking and reduced flow rate of the quartz sand filter media in existing multi-media filters.

[0005] However, existing wastewater treatment filters typically require the elimination of microorganisms in the wastewater during use to ensure the effectiveness of wastewater treatment.

[0006] Therefore, we urgently need to provide a multi-media wastewater pretreatment filter. Summary of the Invention

[0007] The purpose of this utility model is to provide a multi-media wastewater pretreatment filter to solve the problem mentioned in the background art that the existing wastewater treatment filters usually need to disinfect microorganisms in the wastewater during use in order to ensure the effectiveness of wastewater treatment.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a multi-media wastewater pretreatment filter, including a base, a filter structure installed on the top of the base, an inlet / outlet water structure installed on the middle right side of the outer surface of the filter structure, and a disinfection structure provided on the front and top of the filter structure.

[0009] The disinfection structure includes a mixing unit and a spraying unit, with the mixing unit located on the front of the spraying unit.

[0010] The spray unit includes a pressure pump, the output end of which is connected to a delivery pipe. A sealed bearing is installed at the end of the delivery pipe away from the pressure pump. A rotating pipe is installed inside the sealed bearing. A spiral blade is installed inside the rotating pipe. A spray head is connected to the bottom end of the rotating pipe.

[0011] Preferably, the mixing unit includes a mixing tank, an inlet pipe is installed on the middle of the top surface of the mixing tank near the right end, an asynchronous motor is installed on the middle of the top surface of the mixing tank near the left end, a transmission component is connected to the output end of the asynchronous motor, a mixing component is connected inside the transmission component, and an outlet pipe is installed on the middle of the left side of the outer surface of the mixing tank near the bottom end.

[0012] Preferably, the end of the dispensing pipe furthest from the mixing tank is connected to the input end of the pressure pump; the bottom surface of the mixing tank is located near the front end of the top surface of the base; and the bottom surface of the asynchronous motor is detachably connected to the top surface of the mixing tank. The transmission components are a worm gear and a worm wheel, with the outer surface of the worm gear meshing with the outer surface of the worm wheel. The worm gear is connected to the output end of the asynchronous motor. The mixing components are a stirring shaft and a stirring wheel, and the spray head is an atomizing nozzle.

[0013] Preferably, the filter structure includes a filter barrel, inside which a shelf is installed. A layer of quartz sand is installed on the top surface of the bottom shelf, activated carbon is installed on the top surface of the middle shelf, and anthracite is installed on the top surface of the top shelf.

[0014] Preferably, the bottom surface of the filter barrel is fixedly connected to the middle of the top surface of the base, the outer surface of the bottom sealing bearing is connected to the inner wall of the circular hole in the middle of the top surface of the filter barrel, and the outer surfaces of the quartz sand layer, activated carbon, and anthracite are connected to the inner wall of the filter barrel.

[0015] Preferably, the water inlet and outlet structure includes a water inlet pipe, with an outlet pipe at the bottom of the water inlet pipe and a drain pipe at the right end of the outlet pipe.

[0016] Preferably, the inlet pipe is fixedly installed on the inner wall of the through hole located near the top of the right side of the filter barrel, and the outer surface of the outlet pipe is fixedly connected to the inner wall of the circular hole located near the bottom of the right side of the filter barrel. The inlet pipe and the outlet pipe are connected by a flange seal, and the outlet pipe and the drain pipe are also connected by a flange seal.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This multi-media wastewater pretreatment filter, through the setting of the disinfection structure, starts an asynchronous motor to drive the transmission and mixing components to mix the agents. Then, a pressure pump is used to spray the agents through the delivery pipe and rotating pipe to the spray head. During the dosing process, the spiral blades and sealed bearings are used to rotate the spray head to spray the agents, so as to improve the disinfection effect.

[0019] 2. This multi-media wastewater pretreatment filter, through the design of its filtration structure and inlet / outlet structure, and by utilizing the installation of quartz sand layers, activated carbon, and anthracite, can more comprehensively filter and treat wastewater. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the present utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0022] Figure 3 This is an enlarged view of the internal filter structure of this utility model;

[0023] Figure 4 This is an enlarged view of the internal structure of the drug mixing structure of this utility model;

[0024] Figure 5 This is an enlarged view of the spray structure of this utility model;

[0025] Figure 6 This is an enlarged cross-sectional view of the spray structure of this utility model.

[0026] In the diagram: 1. Base; 101. Water inlet pipe; 102. Water outlet pipe; 103. Water outlet pipe; 104. Drainage pipe; 201. Filter barrel; 202. Shelf; 203. Quartz sand layer; 204. Activated carbon; 205. Anthracite; 301. Mixing tank; 302. Inlet pipe; 303. Asynchronous motor; 304. Transmission component; 305. Mixing component; 306. Outlet pipe; 307. Pressure pump; 308. Conveying pipe; 309. Sealed bearing; 310. Rotating pipe; 311. Spiral blade; 312. Spray head. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1-6 This utility model provides a technical solution: Example

[0029] A multi-media wastewater pretreatment filter includes a base 1, a filter structure installed on the top of the base 1, an inlet / outlet water structure installed on the middle right side of the outer surface of the filter structure, and a disinfection structure provided on the front and top of the filter structure.

[0030] The disinfection structure includes a mixing unit and a spraying unit. The mixing unit is located in front of the spraying unit. The spraying unit includes a pressure pump 307, the output end of which is connected to a delivery pipe 308. A sealed bearing 309 is installed at the end of the delivery pipe 308 away from the pressure pump 307. A rotating pipe 310 is installed inside the sealed bearing 309, and a spiral blade 311 is installed inside the rotating pipe 310. A spray head 312 is connected to the bottom end of the rotating pipe 310. The mixing unit includes a mixing tank 301. An inlet pipe 302 is installed on the top surface of the mixing tank 301 near the right end. An asynchronous motor 303 is installed on the top surface of the mixing tank 301 near the left end. A transmission component 304 is connected to the output end of the asynchronous motor 303. A mixing component 305 is connected inside the transmission component 304. An outlet pipe 306 is installed on the left side of the outer surface of the mixing tank 301 near the bottom.

[0031] The end of the discharge pipe 306 away from the mixing tank 301 is connected to the input end of the pressure pump 307. The bottom surface of the mixing tank 301 is connected to the middle of the top surface of the base 1 near the front end. The bottom surface of the asynchronous motor 303 is detachably connected to the top surface of the mixing tank 301.

[0032] By setting up the disinfection structure, the asynchronous motor 303 is started to drive the transmission component 304 and the mixing component 305 to mix the agent. Then, the pressure pump 307 is used to spray the agent through the delivery pipe 308 and the rotating pipe 310 and the spray head 312. During the dosing process, the spiral blade 311 and the sealed bearing 309 are used to make the spray head 312 rotate to spray the agent, so as to improve the disinfection effect.

[0033] During wastewater disinfection, the disinfectant is added to the mixing tank 301 via the inlet pipe 302. The asynchronous motor 303 is started, driving the transmission component 304. The output end of the asynchronous motor 303 drives the worm gear to rotate. The worm gear meshes with the worm wheel, thus driving the worm wheel to rotate. When the worm wheel rotates, it drives the mixing component 305 to rotate. The worm wheel drives the stirring shaft and stirring wheel to rotate, thus effectively mixing the disinfectant. Then, the pressure pump 307 is started to pump the disinfectant from the mixing tank 301 and deliver it via the delivery pipe 308. The disinfectant is sprayed through the rotating pipe 310 and the spray head 312. When the disinfectant enters the rotating pipe 310, it is hydraulically impacted by the spiral blade 311, which drives the rotating pipe 310 to rotate, thus completing the atomized spray disinfection and making the disinfection more thorough. Example

[0034] Based on Embodiment 1, the filtration structure includes a filter barrel 201. Inside the filter barrel 201, a shelf 202 is installed. A quartz sand layer 203 is installed on the top surface of the bottom shelf 202, activated carbon 204 is installed on the top surface of the middle shelf 202, and anthracite 205 is installed on the top surface of the top shelf 202. The bottom surface of the filter barrel 201 is fixedly connected to the middle of the top surface of the base 1. The outer surface of the bottom sealing bearing 309 is connected to the inner wall of the circular hole in the middle of the top surface of the filter barrel 201. The outer surfaces of the quartz sand layer 203, activated carbon 204, and anthracite 205 are connected to the inner wall of the filter barrel 201.

[0035] The water inlet and outlet structure includes an inlet pipe 101, an inlet pipe 102 connected to the left end of the inlet pipe 101, an outlet pipe 103 located at the bottom of the inlet pipe 102, and a drain pipe 104 connected to the right end of the outlet pipe 103. The inlet pipe 102 is fixedly installed on the inner wall of a through hole on the right side of the filter barrel 201 near the top, and the outer surface of the outlet pipe 103 is fixedly connected to the inner wall of a circular hole on the right side of the filter barrel 201 near the bottom.

[0036] By setting up the filtration structure and inlet / outlet water structure, and by installing the quartz sand layer 203, activated carbon 204 and anthracite 205, the wastewater can be filtered and treated more comprehensively.

[0037] Wastewater enters the filter tank 201 through the inlet pipe 101 and the outlet pipe 102. Then, the wastewater is filtered layer by layer through the smokeless coal 205, activated carbon 204 and quartz sand layer 203, thereby effectively ensuring the multi-media filtration treatment effect of the wastewater. After filtration and disinfection, it is discharged through the outlet pipe 103 and the drain pipe 104.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A multi-media wastewater pretreatment filter, comprising a base (1), characterized in that: A filter structure is installed on the top of the base (1), and an inlet / outlet water structure is installed on the middle right side of the outer surface of the filter structure. A disinfection structure is provided on the front and top of the filter structure. The disinfection structure includes a mixing unit and a spraying unit, with the mixing unit located on the front of the spraying unit. The spray unit includes a pressure pump (307), the output end of which is connected to a delivery pipe (308). A sealed bearing (309) is installed at the end of the delivery pipe (308) away from the pressure pump (307). A rotating pipe (310) is installed inside the sealed bearing (309). A spiral blade (311) is installed inside the rotating pipe (310). A spray head (312) is connected to the bottom end of the rotating pipe (310).

2. The multi-media wastewater pretreatment filter according to claim 1, characterized in that: The mixing unit includes a mixing tank (301), an inlet pipe (302) is installed on the middle of the top surface of the mixing tank (301) near the right end, an asynchronous motor (303) is installed on the middle of the top surface of the mixing tank (301) near the left end, a transmission component (304) is connected to the output end of the asynchronous motor (303), a mixing component (305) is connected inside the transmission component (304), and an outlet pipe (306) is installed on the middle of the left side of the outer surface of the mixing tank (301) near the bottom end.

3. The multi-media wastewater pretreatment filter according to claim 2, characterized in that: The end of the discharge pipe (306) away from the mixing tank (301) is connected to the input end of the pressure pump (307). The bottom surface of the mixing tank (301) is close to the front end of the top surface of the base (1). The bottom surface of the asynchronous motor (303) is detachably connected to the top surface of the mixing tank (301).

4. A multi-media wastewater pretreatment filter according to claim 1, characterized in that: The filtration structure includes a filter barrel (201), inside which a shelf (202) is installed. A quartz sand layer (203) is installed on the top surface of the bottom shelf (202), activated carbon (204) is installed on the top surface of the middle shelf (202), and anthracite (205) is installed on the top surface of the top shelf (202).

5. A multi-media wastewater pretreatment filter according to claim 4, characterized in that: The bottom surface of the filter barrel (201) is fixedly connected to the middle of the top surface of the base (1). The outer surface of the bottom sealing bearing (309) is connected to the inner wall of the round hole in the middle of the top surface of the filter barrel (201). The outer surfaces of the quartz sand layer (203), activated carbon (204), and anthracite (205) are connected to the inner wall of the filter barrel (201).

6. A multi-media wastewater pretreatment filter according to claim 1, characterized in that: The water inlet and outlet structure includes an inlet pipe (101), an inlet pipe (102) connected to the left end of the inlet pipe (101), an outlet pipe (103) provided at the bottom of the inlet pipe (102), and a drain pipe (104) connected to the right end of the outlet pipe (103).

7. A multi-media wastewater pretreatment filter according to claim 6, characterized in that: The inlet pipe (102) is fixedly installed on the inner wall of the through hole in the middle right side of the filter barrel (201) near the top, and the outer surface of the outlet pipe (103) is fixedly connected to the inner wall of the circular hole in the middle right side of the filter barrel (201) near the bottom.

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