Oily wastewater pretreatment device with anti-blocking structure

By using infrared heating and a well-dredging structural design, the problem of clogging in the filter holes of oily wastewater was solved, achieving high efficiency and stability in wastewater pretreatment.

CN223732297UActive Publication Date: 2025-12-30SHANXI DAHE RENJIA ENVIRONMENTAL ENG CO LTD
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Patent Information

Application Number
CN202520205826.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2025-12-30
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Oily wastewater is prone to clogging of filter pores during filtration due to grease coagulation, affecting filtration efficiency and system function.

Method used

An infrared emitter is used to irradiate and heat the outside of the filter frame to prevent grease from solidifying. At the same time, a clearing cone and moving rod structure are designed to clear the liquid outlet pipe. Combined with the reciprocating motion of the spring and the outer sleeve, blockage is prevented.

Benefits of technology

It effectively prevents the filter pores from being clogged by grease, ensuring the stability and efficiency of the filtration process and guaranteeing the continuity of wastewater pretreatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The oily wastewater pretreatment device with the anti-blocking structure comprises a treatment barrel and a barrel cover, a control box is fixedly installed outside the treatment barrel, a connecting frame is fixedly installed inside the treatment barrel, an installation arc plate is fixedly installed at one end of the connecting frame, and the other end of the installation arc plate is fixedly provided with an anti-blocking structure. An infrared emitter is fixedly mounted on one side of the mounting arc plate, and the bottom of one side of the treatment barrel communicates with a liquid discharge pipe. By arranging the control box, the infrared emitter can be started, the infrared emitter can emit infrared rays to irradiate and heat the outer side of the filter frame, so that oil in water is prevented from being condensed and blocked in the filter holes, the filtering treatment effect is guaranteed, and the heat effect of infrared rays can promote activity of grease molecules, so that the filtering effect is improved. The filter holes are formed in the filter body, so that the filter holes are more easily taken away by fluid instead of being deposited when passing through the filter holes, the risk that the filter holes are blocked by grease is greatly reduced, and the stability and high efficiency of the filtering treatment effect are ensured.
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Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a pretreatment device for oily wastewater with an anti-clogging structure. Background Technology

[0002] Oily wastewater originates from numerous industrial sectors, such as petroleum refining, chemical production, and machinery manufacturing. It contains large amounts of grease, suspended solids, and dissolved organic matter, and direct discharge of such wastewater can cause serious environmental pollution.

[0003] During wastewater pretreatment, grease components readily undergo a physical state transformation at low temperatures, gradually solidifying from a liquid state into a solid or semi-solid grease substance. These solidified grease substances, due to their inherent adhesiveness and coagulation properties, readily adhere to and accumulate. Over time, this grease buildup on the inner walls of the filter pores accumulates, forming a thick grease layer. This grease layer not only occupies the space originally intended for wastewater flow but also significantly increases the resistance as wastewater passes through the filter pores, leading to clogging. Once the filter pores are clogged with grease, the wastewater flow rate will be drastically reduced, and in extreme cases, the entire filtration system may completely lose its filtering function. Utility Model Content

[0004] The purpose of this invention is to provide an oily wastewater pretreatment device with an anti-clogging structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a pretreatment device for oily wastewater with an anti-clogging structure, comprising a treatment tank and a tank cover. A control box is fixedly installed on the outside of the treatment tank, and a connecting frame is fixedly installed inside the treatment tank. An mounting arc plate is fixedly installed at one end of the connecting frame, and an infrared emitter is fixedly installed on one side of the mounting arc plate. A drain pipe is connected to the bottom of one side of the treatment tank. A drive motor is fixedly installed on the top of the tank cover, and a rotating rod is fixedly installed at the output end of the drive motor. A cross assembly frame is fixedly installed at the end of the rotating rod away from the drive motor. A filter frame is installed at the bottom of the cross assembly frame, and filter holes are opened inside the filter frame. An inlet pipe is connected to the top of the tank cover.

[0006] Preferably, the four corners of the cross assembly frame are provided with assembly insertion holes, and four ear plates are fixedly installed on the outside of the filter frame. Assembly blocks are fixedly installed on the top of the four ear plates. The outer contour of the assembly blocks matches the inner contour of the assembly insertion holes, and the positions of the assembly blocks and the assembly insertion holes correspond to each other.

[0007] Preferably, each of the assembly blocks has a rotating knob rotatably mounted on its top, and the rotating knob is V-shaped.

[0008] Preferably, a connecting rod is fixedly installed at the bottom of the filter frame, and a processing bucket is fixedly installed at the end of the connecting rod away from the filter frame.

[0009] Preferably, an installation ring is fixedly installed inside the processing tank, an outer sleeve is fixedly installed inside the installation ring, a moving rod is slidably installed inside the outer sleeve, an abutment block is fixedly installed at one end of the moving rod, a clearing cone is fixedly installed at the end of the moving rod away from the abutment block, and the side of the abutment block away from the moving rod contacts the outer side of the elliptical block.

[0010] Preferably, both sides of the inner cavity of the outer sleeve are provided with placement grooves, and springs are installed inside the placement grooves. Two spring pressure plates are symmetrically installed on the outer side of the moving rod, and the spring pressure plates are slidably installed on the inner side of the placement groove. One end of the spring is fixedly connected to one side of the spring pressure plate, and the other end of the spring is fixedly connected to one side of the inner cavity of the placement groove.

[0011] Preferably, the end of the unblocking cone furthest from the moving rod is cone-shaped, and the position of the unblocking cone corresponds to the position of the drain pipe.

[0012] Preferably, the bottom of the processing tank is fixedly equipped with four support legs, which are installed in a rectangular symmetrical arrangement at the four corners of the bottom of the processing tank.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting up a control box, an infrared emitter can be activated, which can emit infrared rays to irradiate and heat the outside of the filter frame, thereby preventing oil in the water from condensing and clogging the inside of the filter holes, ensuring the filtration effect. The thermal effect of infrared rays can also promote the activity of oil molecules, making them easier to be carried away by the fluid when passing through the filter holes, rather than deposited. This not only greatly reduces the risk of the filter holes being clogged by oil, but also ensures the stability and efficiency of the filtration effect.

[0014] When the filter frame is rotated, the connecting rod drives the elliptical block to rotate, which in turn pushes the contact block to move inside the outer sleeve. This causes the unblocking cone to move inside the outlet pipe, clearing the inside of the outlet pipe and preventing blockage. In addition, the spring and outer sleeve can make the moving rod reciprocate, improving the unblocking effect and ensuring that wastewater can be discharged through the outlet pipe. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present utility model.

[0016] Figure 2 This is a three-dimensional structural diagram of the processing tank of this utility model.

[0017] Figure 3 This is a partial cross-sectional view of the present invention.

[0018] Figure 4 This is a partial bottom view of the structure of this utility model.

[0019] Figure 5 This is a three-dimensional structural diagram of the bucket lid of this utility model.

[0020] Figure 6 This is a three-dimensional structural diagram of the processing frame of this utility model.

[0021] Figure 7 This is an enlarged structural diagram of point A in this utility model.

[0022] In the diagram: 1. Processing tank; 2. Tank lid; 3. Drive motor; 4. Inlet pipe; 5. Drain pipe; 6. Support leg; 7. Filter hole; 8. Rotating rod; 9. Cross plate; 10. Ear plate; 11. Filter frame; 12. Connecting rod; 13. Elliptical block; 14. Outer sleeve; 15. Spring pressure plate; 16. Spring; 17. Placement slot; 18. Moving rod; 19. Unblocking cone; 20. Cross assembly frame; 21. Assembly socket; 22. Mounting ring; 23. Control box; 24. Mounting arc plate; 25. Assembly plug; 26. Rotary knob; 27. Contact block; 28. Connecting frame; 29. ​​Infrared transmitter. Detailed Implementation

[0023] 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.

[0024] Please see Figures 1-7This utility model provides a technical solution: a pretreatment device for oily wastewater with an anti-clogging structure, comprising a treatment tank 1 and a tank cover 2. A control box 23 is fixedly installed on the outside of the treatment tank 1, and a connecting frame 28 is fixedly installed inside the treatment tank 1. An mounting arc plate 24 is fixedly installed at one end of the connecting frame 28, and an infrared emitter 29 is fixedly installed on one side of the mounting arc plate 24. A drain pipe 5 is connected to the bottom of one side of the treatment tank 1. A drive motor 3 is fixedly installed on the top of the tank cover 2, and a rotating rod 8 is fixedly installed at the output end of the drive motor 3. A cross assembly frame 2 is fixedly installed at the end of the rotating rod 8 away from the drive motor 3. 0. A filter frame 11 is installed at the bottom of the cross assembly frame 20. The filter frame 11 has a filter hole 7 inside. The top of the bucket cover 2 is connected to the liquid inlet pipe 4. Assembly insertion holes 21 are opened inside the four corners of the cross assembly frame 20. Four ear plates 10 are fixedly installed on the outside of the filter frame 11. Assembly plugs 25 are fixedly installed on the top of the four ear plates 10. The outer contour of the assembly plug 25 matches the inner contour of the assembly insertion hole 21. The position of the assembly plug 25 corresponds to the position of the assembly insertion hole 21. A rotating knob 26 is rotatably installed on the top of the assembly plug 25. The rotating knob 26 is V-shaped.

[0025] The working principle of the above technical solution is as follows: First, the lid 2 is installed on top of the treatment tank 1. Then, an external power supply is connected, and the drive motor 3 is started. The output of the drive motor 3 can drive the rotating rod 8 to rotate, thereby driving the filter frame 11 to rotate through the cross assembly frame 20 and the ear plate 10. Then, oily wastewater is introduced, and the wastewater enters the interior of the filter frame 11 and is filtered through the filter holes 7. Large particles in the wastewater are removed, and the wastewater undergoes preliminary purification treatment. This removes more obvious impurities in the wastewater, laying a good foundation for subsequent more refined water treatment steps, thus achieving the goal of efficient and economical pretreatment of wastewater. In addition, the rotating filter frame 11 allows the wastewater to be discharged from the filter holes 7 at different positions, ensuring that the wastewater has the opportunity to flow through the filter holes 7 from different positions and angles. As the filter frame 11 slowly rotates, the wastewater is guided to the filter holes 7 at various corners and edges, which not only increases the contact between the wastewater and the filter media. The increased contact area also greatly promotes the uniform distribution of wastewater, effectively preventing the accumulation of impurities in the filter holes 7 in a specific area, thus significantly reducing the risk of filter holes 7 being clogged and ensuring a continuous and efficient wastewater pretreatment process. The infrared emitter 29 can be activated by the control box 23, which emits infrared rays to irradiate and heat the outside of the filter frame 11, thereby preventing oil in the water from condensing and clogging the inside of the filter holes 7, ensuring the filtration effect. The thermal effect of infrared rays can also promote the activity of oil molecules, making them easier to be carried away by the fluid when passing through the filter holes 7, rather than being deposited. This not only greatly reduces the risk of filter holes being clogged by oil, but also ensures the stability and efficiency of the filtration effect. In addition, the assembly socket 21, assembly block 25 and rotary knob 26 make it easy to install the filter frame 11 at the bottom of the bucket cover 2, and also make it easy to remove and clean the inside of the filter frame 11.

[0026] In another implementation scheme, such as Figures 1-7As shown, a connecting rod 12 is fixedly installed at the bottom of the filter frame 11. A processing tank 1 is fixedly installed at the end of the connecting rod 12 away from the filter frame 11. An installation ring 22 is fixedly installed inside the processing tank 1. An outer sleeve 14 is fixedly installed inside the installation ring 22. A moving rod 18 is slidably installed inside the outer sleeve 14. An abutment block 27 is fixedly installed at one end of the moving rod 18. A clearing cone 19 is fixedly installed at the end of the moving rod 18 away from the abutment block 27. The side of the abutment block 27 away from the moving rod 18 is adjacent to the outer side of the elliptical block 13. The outer sleeve 14 has placement grooves 17 on both sides of its inner cavity. Springs 16 are installed inside each placement groove 17. Two spring pressure plates 15 are symmetrically installed on the outer side of the moving rod 18. The spring pressure plates 15 are slidably installed on the inner side of the placement groove 17. One end of the spring 16 is fixedly connected to one side of the spring pressure plate 15, and the other end of the spring 16 is fixedly connected to one side of the inner cavity of the placement groove 17. The end of the unblocking cone 19 away from the moving rod 18 is cone-shaped. The position of the unblocking cone 19 corresponds to the position of the drain pipe 5.

[0027] When the filter frame 11 rotates, the connecting rod 12 drives the elliptical block 13 to rotate, thereby pushing the contact block 27 to move inside the outer sleeve 14, so that the unblocking cone 19 moves inside the outlet pipe 5 to unblock the inside of the outlet pipe 5 and prevent blockage. In addition, the spring 16 and the outer sleeve 14 can make the moving rod 18 reciprocate to improve the unblocking effect and ensure that the wastewater can be discharged through the outlet pipe 5.

[0028] In another implementation scheme, such as Figures 1-7 As shown, a support leg 6 is fixedly installed at the bottom of the processing tank 1. There are four support legs 6, and the four support legs 6 are installed in a rectangular symmetrical arrangement at the four corners of the bottom of the processing tank 1.

[0029] The support legs 6 provide overall support for the device, ensuring its normal operation.

[0030] Working principle: First, install the lid 2 on top of the treatment tank 1, then connect an external power supply, and start the drive motor 3. The output of the drive motor 3 can drive the rotating rod 8 to rotate, which in turn drives the filter frame 11 to rotate through the cross assembly frame 20 and ear plate 10. Then, oily wastewater is introduced, and the wastewater enters the filter frame 11 and is filtered through the filter holes 7, removing large particles of impurities and performing preliminary purification treatment on the wastewater. This removes more obvious impurities in the wastewater, laying a good foundation for subsequent more refined water quality treatment steps, thereby achieving the goal of treating wastewater... The goal is efficient and economical pretreatment of water. Furthermore, the rotating filter frame 11 allows wastewater to drain from the filter holes 7 at different locations, ensuring that wastewater has the opportunity to flow through the filter holes 7 from various positions and angles. As the filter frame 11 slowly rotates, the wastewater is guided to the filter holes 7 at every corner and edge. This not only increases the contact area between the wastewater and the filter media but also greatly promotes the uniform distribution of wastewater, effectively preventing the accumulation of impurities in the filter holes 7 in a specific area. This significantly reduces the risk of clogging the filter holes 7, ensuring continuous and efficient wastewater pretreatment. The process involves activating the infrared emitter 29 via the control box 23. The infrared emitter 29 emits infrared rays to heat the outer side of the filter frame 11, preventing oil in the water from condensing and clogging the filter holes 7, thus ensuring effective filtration. The thermal effect of the infrared rays also promotes the activity of oil molecules, making them easier for the fluid to carry away as they pass through the filter holes 7, rather than depositing them. This significantly reduces the risk of oil clogging the filter holes and ensures the stability and efficiency of the filtration process. Furthermore, the assembly socket 21, assembly block 25, and rotating... The knob 26 facilitates the installation of the filter frame 11 at the bottom of the bucket lid 2 and also makes it easy to remove and clean the inside of the filter frame 11. When the filter frame 11 is rotated, the connecting rod 12 drives the elliptical block 13 to rotate, thereby pushing the abutment block 27 to move inside the outer sleeve 14, so that the unblocking cone 19 moves inside the liquid outlet pipe 5 to unblock the inside of the liquid outlet pipe 5 and prevent blockage. In addition, the spring 16 and the outer sleeve 14 can make the moving rod 18 reciprocate to improve the unblocking effect and ensure that the wastewater can be discharged through the liquid outlet pipe 5.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An oil-containing wastewater pretreatment device with an anti-clogging structure, comprising a treatment bucket (1) and a bucket cover (2), characterized in that: The control box (23) is fixedly installed outside the processing barrel (1), the connecting frame (28) is fixedly installed inside the processing barrel (1), one end of the connecting frame (28) is fixedly installed with the mounting arc plate (24), one side of the mounting arc plate (24) is fixedly installed with the infrared emitter (29), the bottom of one side of the processing barrel (1) is communicated with the liquid discharge pipe (5), the top of the barrel cover (2) is fixedly installed with the driving motor (3), the output end of the driving motor (3) is fixedly installed with the rotating rod (8), the end, away from the driving motor (3), of the rotating rod (8) is fixedly installed with the cross assembly frame (20), the bottom of the cross assembly frame (20) is installed with the filter frame (11), the inside of the filter frame (11) is provided with the filter hole (7), and the top of the barrel cover (2) is communicated with the liquid inlet pipe (4).

2. The oil-containing wastewater pretreatment device with anti-blocking structure according to claim 1, characterized in that: The inside of the four corners of the cross assembly frame (20) is provided with the assembly jack (21), the outside of the filter frame (11) is fixedly installed with the four ear plates (10), the top of the four ear plates (10) is fixedly installed with the assembly plug (25), the size of the outer contour of the assembly plug (25) is matched with the size of the inner contour of the assembly jack (21), and the position of the assembly plug (25) corresponds to the position of the assembly jack (21).

3. The oil-containing wastewater pretreatment device with anti-blocking structure according to claim 2, characterized in that: The top of the assembly plug (25) is rotatably installed with the rotating knob (26), and the rotating knob (26) is in the shape of V.

4. The oil-containing wastewater pretreatment device with anti-blocking structure according to claim 3, characterized in that: The bottom of the filter frame (11) is fixedly installed with the connecting rod (12), and the end, away from the filter frame (11), of the connecting rod (12) is fixedly installed with the oval block (13).

5. The oil-containing wastewater pretreatment device with anti-blocking structure according to claim 4, characterized in that: The inside of the mounting ring (22) is fixedly installed with the outer sleeve (14), the inside of the outer sleeve (14) is slidably installed with the moving rod (18), one end of the moving rod (18) is fixedly installed with the abutting block (27), the end, away from the abutting block (27), of the moving rod (18) is fixedly installed with the dredging sharp cone (19), and the side, away from the moving rod (18), of the abutting block (27) is in contact with the outside of the oval block (13).

6. The oil-containing wastewater pretreatment device with anti-blocking structure according to claim 5, characterized in that: Both sides of the inner cavity of the outer sleeve (14) are provided with the placing groove (17), the inside of the placing groove (17) is installed with the spring (16), and the outside of the moving rod (18) is symmetrically installed with the two spring pressing plates (15), which are slidably installed in the inside of the placing groove (17), one end of the spring (16) is fixedly connected with one side of the spring pressing plate (15), and the other end of the spring (16) is fixedly connected with one side of the inner cavity of the placing groove (17).

7. The oil-containing wastewater pretreatment device with anti-blocking structure according to claim 4, characterized in that: The end, away from the moving rod (18), of the dredging sharp cone (19) is in the shape of a sharp cone, and the position of the dredging sharp cone (19) corresponds to the position of the liquid discharge pipe (5).

8. The oil-containing wastewater pretreatment device with anti-blocking structure according to claim 5, characterized in that: The bottom of the processing barrel (1) is fixedly installed with the supporting leg (6), there are four supporting legs (6), and the four supporting legs (6) are rectangularly and symmetrically installed at the four corners of the bottom of the processing barrel (1).