A filter device for food processing wastewater pretreatment

Abstract

The utility model discloses a filter device for food processing wastewater pretreatment, including box, roof, electric push rod, filter mechanism, the roof is fixed on the top of box through bolt, is equipped with the water inlet on the roof, electric push rod is fixed on the lateral wall of box, filter mechanism is located in the box, and filter mechanism constitutes through two groups of filter layer of rotation connection, and the electric push rod top axle passes through the lateral wall of box and is connected one group of filter layer, is equipped with the discharge gate on the both sides of box, and is equipped with the fixed connection of third filter plate at the discharge gate, and filter layer hinged connection third filter plate, and wastewater enters after the water inlet and is filtered through filter mechanism, and the electric push rod drives filter layer to remove and realizes the alternate use of two groups of filter layer, and the lateral wall of box is equipped with the mounting groove for installing filter layer, the utility model discloses can control one group of filter layer inclination angle increase through electric push rod, and then cooperate the vibration of vibration mechanism, can improve the cleaning effect, still can realize the alternate of filter layer, guarantees sustained filtration.

Description

Technical Field

[0001] This utility model belongs to the field of food processing wastewater treatment technology, and specifically relates to a filtration device for pretreatment of food processing wastewater. Background Technology

[0002] Food processing generates a large amount of wastewater, such as washing wastewater. Depending on the food material, the washing wastewater contains a lot of impurities. For example, wastewater from grain milling contains fruit shells and bran from previous washing, while wastewater from vegetable processing contains vegetable leaves and roots. In the treatment of the above wastewater, pretreatment methods such as filtration are used accordingly.

[0003] A search revealed a wastewater recycling and treatment device for food processing, with announcement number CN221296195U. This solution employs a method of first filtering the wastewater through a filter plate and then adding chemicals through a stirring mechanism. However, a drawback is that it cannot continuously process wastewater. As is well known, large food processing plants generate very large volumes of wastewater, requiring timely treatment and recycling to save costs. Furthermore, the filter plate in this solution requires the entire filter box to be removed from the connection box for cleaning, necessitating an interruption of the wastewater treatment process.

[0004] Another example of the aforementioned problems is a filter structure for treating food processing wastewater, with announcement number CN218794159U. In this solution, wastewater is filtered through a filter screen. Cleaning the filter screen requires two lifting electric rods to raise the right end of the filter screen. Then, two cleaning motors are activated via the control panel. The two cleaning motors drive two lead screw shafts to rotate through flanges. The rotation of the two lead screw shafts causes the scraper to move to the left, thus scraping off the floating scum and other impurities on the filter screen. This process also requires interrupting the wastewater filtration process.

[0005] Therefore, the applicant has provided a solution that can keep wastewater filtration and filter plate cleaning running simultaneously for a longer period of time. Summary of the Invention

[0006] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a filtration device for the pretreatment of food processing wastewater. The device can control the tilt angle of one set of filter layers to increase through an electric actuator, and combined with the vibration of the vibration mechanism, it can improve the cleaning effect. It can also realize the rotation of filter layers to ensure continuous filtration.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0008] A filtration device for pretreatment of food processing wastewater includes a housing, a top plate, an electric actuator, and a filtration mechanism. The top plate is bolted to the top of the housing and has an inlet. The electric actuator is fixed to the side wall of the housing. The filtration mechanism is located inside the housing and consists of two sets of filtration layers rotatably connected. The top shaft of the electric actuator passes through the side wall of the housing and connects to one set of filtration layers. The housing has outlets on both sides, and a third filtration plate is fixedly connected to each outlet. The filtration layers are hinged to the third filtration plate. Wastewater enters through the inlet and is filtered by the filtration mechanism. The electric actuator moves the filtration layers to allow for alternating use of the two sets of filtration layers. Filtered impurities are discharged through the outlet. The side wall of the housing has mounting grooves for installing the filtration layers.

[0009] The filter layer in the filtration mechanism is arranged in a "V" shape; the filter layer includes a first filter plate, a second filter plate, an arc frame, a roller, and a pin; the first filter plate is provided with a sliding groove, and the second filter plate is provided with a limiting shaft, which is slidably connected to the sliding groove; the bottom of the second filter plate is provided with an ear plate and is rotatably connected to a third filter plate through a pin; the top of the first filter plate is provided with a roller, and the two sets of filter layers are rotatably connected by inserting the roller through a pin; one set of the first filter plate is provided with an arc frame; the end of the roller is provided in the mounting groove for support; the arc frame is provided at both ends of the first filter plate.

[0010] The top shaft of the electric actuator is provided with a fixedly connected through shaft at its end, and a fixedly connected bracket is provided at the end of the through shaft. The bracket has adjustment shafts at both ends, and the adjustment shafts are located within an arc-shaped frame.

[0011] Preferably, the filter mechanism is provided with a vibration mechanism on both sides, including a rotating shaft, a fixed arm, a swing arm, and a motor; the motor is fixed to the outer wall of the housing through a motor base, the two ends of the rotating shaft are rotatably connected to the side wall of the housing, the motor shaft is connected to one end of the rotating shaft, the fixed arm is fixed on the rotating shaft, and one end of the swing arm is rotatably connected to one end of the fixed arm; the motor drives the rotating shaft to rotate, which in turn drives the swing arm to strike the filter layer to achieve vibration, which is conducive to the rolling off of filtered impurities.

[0012] Preferably, the housing is provided with observation windows on both sides for observing the filtration status of the filtration mechanisms on both sides.

[0013] Preferably, the discharge port is provided with a bolt-fixed sealing plate, and the box body is also provided with support legs and a drain pipe; the mounting groove is provided with a bolt-fixed cover plate for sealing.

[0014] The advantages of this utility model compared with the prior art are as follows:

[0015] Firstly, the filtration mechanism designed in this scheme features two interconnected, human-shaped filter layers. One layer can be used for filtration while the other is in standby for cleaning and can be rotated at any time, allowing for uninterrupted filtration over extended periods without frequent interruptions to wastewater treatment for filter plate cleaning. This ensures filtration effectiveness and efficiency. The rotation process is achieved simply by extending or retracting the top shaft of the electric actuator, making operation simple and convenient. Secondly, when one filter layer retracts, the incoming wastewater is completely filtered by the other filter layer without interference. The retracted filter layer can easily remove impurities with the assistance of a vibration mechanism. Furthermore, the increased tilt angle of the retracted filter layer, combined with the vibration generated by the swing arm, reduces the adhesion of impurities such as oxide scale. Therefore, the combination of vibration and the increased tilt angle helps to quickly remove impurities along a single tilt direction.

[0016] Secondly, the first filter plate also acts as a scraper when it slides and contracts on the second filter plate, which helps to clean up impurities and debris.

[0017] Furthermore, placing the rollers within the mounting groove improves the stability of the filter layer. Additionally, the connection between the support and the arc-shaped frame is far from the water inlet, reducing the impact of impurities on the structural transmission. Attached Figure Description

[0018] Appendix Figure 1 This utility model discloses a filtration device for pretreatment of food processing wastewater. Figure 1 ;

[0019] Appendix Figure 2 This utility model discloses a filtration device for pretreatment of food processing wastewater. Figure 2 ;

[0020] Appendix Figure 3 This is a schematic diagram of the internal structure of the box. Figure 1 ;

[0021] Appendix Figure 4 This is a schematic diagram of the internal structure of the box. Figure 2 ;

[0022] Appendix Figure 5 This is a schematic diagram of the structure of the water inlet and the first filter plate;

[0023] Appendix Figure 6 This is a structural diagram of the bracket and the arc-shaped frame;

[0024] Appendix Figure 7 This is a schematic diagram showing the exploded structure of the filter layer;

[0025] Appendix Figure 8 This is a schematic diagram of the structure of the first and second filter plates;

[0026] In the diagram: 1. Housing; 11. Support leg; 12. Drain pipe; 13. Mounting groove; 14. Discharge port; 15. Third filter plate; 16. Sealing plate; 17. Cover plate; 2. Top plate; 21. Water inlet; 3. Electric actuator; 31. Through shaft; 32. Bracket; 321. Adjusting shaft; 4. Vibration mechanism; 41. Rotating shaft; 42. Fixed arm; 43. Swing arm; 44. Motor; 5. Filtration mechanism; 51. First filter plate; 511. Slide groove; 52. Second filter plate; 521. Limiting shaft; 54. Arc frame; 55. Roller; 56. Pin shaft; 6. Observation window. Detailed Implementation

[0027] To facilitate understanding by those skilled in the art, the following is a detailed explanation in conjunction with the appendix. Figure 1-8 The technical solution of this utility model will be further described in detail below.

[0028] A filtration device for pretreatment of food processing wastewater includes a housing 1, a top plate 2, an electric actuator 3, and a filtration mechanism 5. The top plate 2 is fixed to the top of the housing 1 by bolts and has an inlet 21. The electric actuator 3 is fixed to the side wall of the housing 1. The filtration mechanism 5 is located inside the housing 1 and consists of two sets of filter layers connected by rotation. The top shaft of the electric actuator 3 passes through the side wall of the housing 1 and connects to one of the filter layers. The housing 1 has outlets 14 on both sides, and a third filter plate 15 is fixedly connected to the outlets 14. The filter layers are hinged to the third filter plate 15. Wastewater enters through the inlet 21 and is filtered by the filtration mechanism 5. The electric actuator 3 drives the filter layers to move, allowing the two sets of filter layers to be used alternately. Filtered impurities are discharged through the outlets 14. The side wall of the housing 1 has a mounting groove 13 for installing the filter layers.

[0029] The filter layer in the filter mechanism 5 is arranged in a "V" shape; the filter layer includes a first filter plate 51, a second filter plate 52, an arc frame 54, a roller 55, and a pin 56; the first filter plate 51 is provided with a sliding groove 511, and the second filter plate 52 is provided with a limiting shaft 521, which is slidably connected to the sliding groove 511; the bottom of the second filter plate 52 is provided with an ear plate and is rotatably connected to a third filter plate 15 through a pin; the top of the first filter plate 51 is provided with a roller 55, and the two sets of filter layers are rotatably connected by inserting the roller 55 into the pin 56; one set of the first filter plate 51 is provided with an arc frame 54; the end of the roller 55 is provided in the mounting groove 13 for support; the arc frame 54 is provided at both ends of the first filter plate 51, away from the water inlet range of the water inlet 21.

[0030] The top shaft end of the electric actuator 3 is provided with a fixedly connected through shaft 31, and the end of the through shaft 31 is provided with a fixedly connected bracket 32. The bracket 32 ​​has adjustment shafts 321 at both ends, and the adjustment shafts 321 are located inside the arc frame 54.

[0031] The filter mechanism 5 is provided with a vibration mechanism 4 on both sides, including a rotating shaft 41, a fixed arm 42, a swing arm 43, and a motor 44. The motor 44 is fixed to the outer wall of the housing 1 through a motor seat. The two ends of the rotating shaft 41 are rotatably connected to the side wall of the housing 1. The motor 44 is shaft-connected to one end of the rotating shaft 41. The fixed arm 42 is fixed on the rotating shaft 41. One end of the swing arm 43 is rotatably connected to one end of the fixed arm 42. The motor 44 drives the rotating shaft 41 to rotate, which in turn drives the swing arm 43 to strike the filter layer to achieve vibration, which is conducive to the rolling off of filtered impurities.

[0032] The housing 1 has observation windows 6 on both sides for observing the filtration status of the filtration mechanisms 5 on both sides.

[0033] The discharge port 14 is provided with a bolt-fixed sealing plate 16, and the box body 1 is also provided with a support leg 11 and a drain pipe 12; the mounting groove 13 is provided with a bolt-fixed cover plate 17 for sealing.

[0034] A filtration device for pretreatment of food processing wastewater operates as follows:

[0035] The device is powered by an external power source and achieves coordinated operation between various mechanical components based on the existing PLC controller and the adapted control program and programming logic sequence.

[0036] First, the electric actuator 3 drives the roller 55 in the filter mechanism 5 to slide within the mounting groove 13, causing the first filter plate 51 and the second filter plate 52 in one set of filter layers to slide and retract and move to the inlet 21 side. The first filter plate 51 and the second filter plate 52 in the other set of filter layers slide and unfold to receive the wastewater entering through the inlet 21. The filter layers filter the wastewater, and the filtered impurities slide down the filter layers to the third filter plate 15. Then, the swing arm 43 in the vibration mechanism 4 taps the retracted filter layers to achieve vibration, which helps the impurities on the filter layers to fall off. Then, the sealing plate 16 is opened to allow the impurities to be cleaned out through the discharge port 14. When it is found through the observation window 6 that there are many impurities on the filter layers, the electric actuator 3 pushes out or retracts the top shaft to achieve the switching between filter layers. During this process, the filtration of wastewater can be carried out continuously. After filtration, the wastewater is transferred through the drain pipe 12.

[0037] In the description of this invention, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0038] In the description of this invention, the connection methods are divided into fixed connection and movable connection. Fixed connection methods include, but are not limited to, welding and bolting. Movable connection methods include, but are not limited to, sliding connection, rotating connection, and threaded connection. The connection method to achieve the desired effect should be selected according to the application of the solution. Washers are provided in the connection process of the bolts, fixing bolts, studs and nuts. At the same time, the connection of the bolts, fixing bolts, studs and nuts is fixed by thread locking.

[0039] In summary, the electronic or electrical components, including but not limited to motors and electric actuators, are existing components that were custom-made or purchased. The electrical connections between these components are conventional circuit or electrical connections in the prior art and are not within the scope of protection of this invention. Furthermore, according to the design requirements of this design scheme, the power supply is provided by an external power source, and the coordinated operation between the components is achieved based on the controller in the prior art and the adapted control program and programming logic sequence.

[0040] In summary, including but not limited to motors, electric actuators, and other power systems and their respective transmission systems, protective covers should be provided according to the actual installation location if necessary, and sealing rings should be provided at the relative rotating connections to prevent wear or damage to the power system and transmission system caused by the external environment, and to further ensure the normal operation of the power system and transmission system.

[0041] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. A filtration device for pretreatment of food processing wastewater, comprising a housing, a top plate, an electric actuator, and a filtration mechanism; characterized in that... The top plate is fixed to the top of the tank with bolts, and the top plate is provided with a water inlet; the electric push rod is fixed to the side wall of the tank; the filter mechanism is located inside the tank and is composed of two sets of filter layers connected by rotation; the top shaft of the electric push rod passes through the side wall of the tank and connects to one of the filter layers. The box body has discharge ports on both sides, and a third filter plate is fixedly connected to the discharge port; the filter layer is hinged to the third filter plate; wastewater enters through the inlet and is filtered by the filtration mechanism; the electric push rod drives the filter layer to move so that the two sets of filter layers can be used alternately; the filtered impurities are discharged from the discharge port; the side wall of the box body has a mounting groove for installing the filter layer. The filter layer in the filtration mechanism is arranged in a "V" shape; the filter layer includes a first filter plate, a second filter plate, an arc frame, a roller, and a pin; the first filter plate is provided with a sliding groove, and the second filter plate is provided with a limiting shaft, which is slidably connected to the sliding groove; the bottom of the second filter plate is provided with an ear plate and is rotatably connected to a third filter plate through a pin; the top of the first filter plate is provided with a roller, and the two sets of filter layers are rotatably connected by inserting the roller through a pin; one set of the first filter plate is provided with an arc frame; the end of the roller is provided in the mounting groove for support; the arc frame is provided at both ends of the first filter plate.

2. A filtration device for pretreatment of food processing wastewater according to claim 1, characterized in that... The top shaft of the electric actuator is provided with a fixedly connected through shaft at its end, and a fixedly connected bracket is provided at the end of the through shaft. The bracket has adjustment shafts at both ends, and the adjustment shafts are located within an arc-shaped frame.

3. A filtration device for pretreatment of food processing wastewater according to claim 1, characterized in that... The filtration mechanism is equipped with a vibration mechanism on both sides, including a rotating shaft, a fixed arm, a swing arm, and a motor; the motor is fixed to the outer wall of the box through a motor base, the two ends of the rotating shaft are rotatably connected to the side wall of the box, the motor shaft is connected to one end of the rotating shaft, the fixed arm is fixed on the rotating shaft, and one end of the swing arm is rotatably connected to one end of the fixed arm.

4. A filtration device for pretreatment of food processing wastewater according to claim 1, characterized in that... The box has observation windows on both sides.

5. A filtration device for pretreatment of food processing wastewater according to claim 1, characterized in that... The discharge port is equipped with a bolt-fixed sealing plate, and the box body is also equipped with support legs and a drain pipe; the mounting groove is equipped with a bolt-fixed cover plate for sealing.

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