A spiral flow guide type food waste solid-liquid separation pretreatment device

Abstract

This utility model discloses a spiral-guided solid-liquid separation pretreatment device for food wastewater, comprising an outer cylinder, a spiral guide pipe fixedly connected to the top of the outer cylinder, an inlet connected to the top of the spiral guide pipe, a first solenoid valve installed on both the inlet and the steam diversion input pipe, two branch pipes connected to the inlet and the outer cylinder respectively, a steam diversion input pipe connected to one side of the inlet, a first outlet pipe at the lower end of the outer cylinder, a support fixedly connected to the inner wall of the first outlet pipe, a second outlet pipe connected to the inner side of the support via a bearing, an inner cylinder fixedly connected to the top of the second outlet pipe, a pusher rotatably connected to the top of the outer cylinder, the inner side of the pusher fitting against the outer wall of the inner cylinder, a drive motor fixedly connected to the outer wall of the outer cylinder, and the shaft of the drive motor connected to the top of the pusher. This device reduces grease residue while improving the separation effect of food wastewater, thereby reducing the difficulty of equipment maintenance and improving the separation efficiency of food wastewater.

Description

Technical Field

[0001] This utility model relates to the field of solid-liquid separation technology for food wastewater, specifically a spiral flow-guided food wastewater solid-liquid separation pretreatment device. Background Technology

[0002] Solid-liquid separation of food wastewater is an important step in the treatment of food industry wastewater. Its purpose is to reduce suspended solids in the wastewater, thereby reducing the load on subsequent treatment processes and recovering potentially valuable solid components.

[0003] Currently, the common method for solid-liquid separation of food wastewater uses filters. This method not only has poor wastewater separation efficiency, but also tends to leave a lot of grease residue on the filters, affecting the efficiency of solid-liquid separation. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of this invention is to provide a spiral-guided solid-liquid separation pretreatment device for food wastewater, in order to solve the problem mentioned in the background art that the solid-liquid separation effect of using filter screens for food wastewater is poor and easily leaves residual oil.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a spiral guide flow type food wastewater solid-liquid separation pretreatment device, comprising an outer cylinder, a spiral guide pipe fixedly connected to the top of the outer cylinder, an inlet connected to the top of the spiral guide pipe, a steam diversion input pipe connected to one side of the inlet, a first discharge pipe provided at the lower end of the outer cylinder, a support fixedly connected to the inner wall of the first discharge pipe, a second discharge pipe connected to the inner side of the support via a bearing, an inner cylinder fixedly connected to the top of the second discharge pipe, a push wheel rotatably connected to the top side of the outer cylinder, the inner side of the push wheel adhering to the outer wall of the inner cylinder, a drive motor fixedly connected to the outer wall of the outer cylinder, and the shaft of the drive motor connected to the top of the push wheel.

[0006] Preferably, a first solenoid valve is provided on both the feed inlet and the steam diversion input pipe, the steam diversion input pipe is provided with two branch pipes, the two branch pipes are respectively connected to the feed inlet and the outer cylinder, and a feed pump is provided on the feed inlet.

[0007] Preferably, the pusher is rotatably connected to the outer cylinder via a rotating shaft, and multiple pushers are distributed in a circular pattern at equal intervals about the inner wall of the top of the outer cylinder.

[0008] Preferably, the outer wall of the inner cylinder has a mesh structure, and a track is provided on the outer wall of the inner cylinder.

[0009] Preferably, the track has a ring structure, the track and the push wheel are positioned correspondingly, and one side of the push wheel is inserted into the track.

[0010] Preferably, a sealing cap is fixedly connected to the outer wall of the spiral guide tube. The sealing cap is made of rubber, and the outer wall of the sealing cap is in contact with the inner wall of the inner cylinder.

[0011] Preferably, one end of the second discharge pipe passes through the first discharge pipe and is located at the bottom of the first discharge pipe. The first discharge pipe has an inclined structure, and a second solenoid valve is provided on both the second discharge pipe and the first discharge pipe.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] (1) This device reduces the residue of oil when passing through the wastewater to improve the separation effect of food wastewater, thereby reducing the difficulty of equipment maintenance and improving the separation efficiency of food wastewater.

[0014] (2) This device can accelerate the rotation of food wastewater and solid waste entering the inner cylinder by setting an automatically rotating inner cylinder inside the outer cylinder, thereby accelerating the separation of wastewater and solid waste. At the same time, by inserting a spiral guide pipe at the top of the inner cylinder, the food wastewater and solid waste can be increased by spiral input when entering, thereby improving the separation effect and improving the treatment efficiency.

[0015] (3) This device connects a steam diversion input pipe to the feed inlet and the top side of the outer cylinder. Steam can be input through the steam diversion input pipe. Steam can soften and decompose grease, thereby accelerating the discharge of grease from the inner and outer cylinder walls and reducing grease residue. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a spiral-guided solid-liquid separation pretreatment device for food wastewater according to the present invention.

[0017] Figure 2 This utility model relates to a spiral-guided solid-liquid separation pretreatment device for food wastewater. Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is a top view of the connection between the inner cylinder and the pusher wheel of a spiral flow-guided food wastewater solid-liquid separation pretreatment device according to this utility model.

[0019] Figure 4 This is a top view of the connection between the support frame and the second discharge pipe of a spiral flow-guided food wastewater solid-liquid separation pretreatment device according to this utility model.

[0020] In the diagram: 1. Feed inlet; 2. Feed pump; 3. Steam diversion input pipe; 4. First solenoid valve; 5. Spiral guide pipe; 6. Sealing cover; 7. Drive motor; 8. Outer cylinder; 9. Inner cylinder; 10. Support; 11. First discharge pipe; 12. Second discharge pipe; 13. Second solenoid valve; 14. Push wheel; 15. Track. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-4This utility model provides a technical solution: a spiral guide type solid-liquid separation pretreatment device for food wastewater, including an outer cylinder 8, a spiral guide pipe 5 fixedly connected to the top of the outer cylinder 8, and a sealing cover 6 fixedly connected to the outer wall of the spiral guide pipe 5. The sealing cover 6 is made of rubber, and the outer wall of the sealing cover 6 contacts the inner wall of the inner cylinder 9. In this structure, the contact between the outer wall of the sealing cover 6 and the inner wall of the inner cylinder 9 is not fixed. The sealing cover 6 not only does not affect the rotation of the inner cylinder 9, but also ensures the sealing of the top of the inner cylinder 9, preventing leakage from the top. The top of the spiral guide pipe 5 is connected to an inlet 1. A first solenoid valve 4 is provided on both the inlet 1 and the steam diversion input pipe 3. One end of the steam diversion input pipe 3 is connected to a steam generator, and the steam diversion input pipe 3 is provided with two supports. The system consists of two branch pipes connected to the inlet 1 and the outer cylinder 8, respectively. An inlet pump 2 is installed on the inlet 1. In this structure, the inlet 1 is used to input food wastewater. The inlet pump 2 provides the power for the wastewater input, ensuring the flow rate and centrifugal effect. A steam diversion inlet pipe 3 is connected to one side of the inlet 1. A first outlet pipe 11 is installed at the lower end of the outer cylinder 8. A bracket 10 is fixedly connected to the inner wall of the first outlet pipe 11. A second outlet pipe 12 is connected to the inner side of the bracket 10 via a bearing. One end of the second outlet pipe 12 passes through the first outlet pipe 11 and is located at the bottom of the first outlet pipe 11. The first outlet pipe 11 has an inclined structure. A second solenoid valve 13 is installed on both the second outlet pipe 12 and the first outlet pipe 11. The first outlet pipe 11 in this structure is used for... For discharging lighter and smaller waste materials and wastewater, the second discharge pipe 12 is used to discharge waste materials. The second solenoid valve 13 can control the automatic opening and closing of the second discharge pipe 12 and the first discharge pipe 11. An inner cylinder 9 is fixedly connected to the top of the second discharge pipe 12, and a pusher 14 is rotatably connected to the top side of the outer cylinder 8. The pusher 14 is rotatably connected to the outer cylinder 8 through a rotating shaft. Multiple pushers 14 are evenly distributed in a ring shape around the top inner wall of the outer cylinder 8. This structure can ensure the uniformity of the pusher 14 pushing the inner cylinder 9 and ensure the stability of the rotation of the inner cylinder 9. The inner side of the pusher 14 is attached to the outer wall of the inner cylinder 9. The outer wall of the inner cylinder 9 has a mesh structure and a track 15 is provided on the outer wall of the inner cylinder 9. This structure can ensure the stability of the pusher 14 during rotation through the track 15. The device has a ring structure with the track 15 and pusher 14 positioned correspondingly. One side of the pusher 14 is inserted into the track 15. This structure allows the inner cylinder 9 to rotate automatically by rotating the pusher 14. Rubber can be used at the contact points between the inner cylinder 9 and the pusher 14 to increase friction and improve the pushing effect of the pusher 14 on the inner cylinder 9. A drive motor 7 is fixedly connected to the outer wall of the outer cylinder 8. The shaft of the drive motor 7 is connected to the top of the pusher 14. The drive motor 7 can drive the pusher 14 to rotate automatically. There are at least two drive motors 7, which are controlled by a PLC to ensure the synchronicity of their operation. The spiral guide pipe 5 of this device works in conjunction with the inner cylinder 9 to ensure the centrifugal flow of the wastewater, thereby ensuring the separation effect.

[0023] Working principle: When using this spiral guide type food wastewater solid-liquid separation pretreatment device, the food wastewater first enters from the inlet 1 and is quickly conveyed into the spiral guide pipe 5 by the feed pump 2. At this time, the food wastewater is conveyed downward in a spiral shape. At the same time, the inner cylinder 9 rotates rapidly under the push of the pusher 14. When the food wastewater enters the inner cylinder 9, the rotation of the inner cylinder 9 drives the lighter wastewater and impurities in the food wastewater to enter the outer cylinder 8 through the mesh on the surface of the inner cylinder 9. At this time, the wastewater flows downward along the inside of the outer cylinder 8 and is discharged from the first discharge pipe 11. The waste can be discharged from the bottom of the second discharge pipe 12 after the machine stops. After the separation work is completed, the steam generator can be turned on so that the steam enters the inner cylinder 9 and the outer cylinder 8 through the steam diversion input pipe 3 to heat and decompose the residual oil, thereby reducing the oil residue.

[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A spiral-guided solid-liquid separation pretreatment device for food wastewater, comprising an outer cylinder (8), characterized in that: The top of the outer cylinder (8) is fixedly connected to a spiral guide pipe (5), the top of the spiral guide pipe (5) is connected to a feed inlet (1), a steam diversion input pipe (3) is connected to one side of the feed inlet (1), a first discharge pipe (11) is provided at the lower end of the outer cylinder (8), a bracket (10) is fixedly connected to the inner wall of the first discharge pipe (11), a second discharge pipe (12) is connected to the inner side of the bracket (10) through a bearing, an inner cylinder (9) is fixedly connected to the top of the second discharge pipe (12), a push wheel (14) is rotatably connected to the top side of the outer cylinder (8), the inner side of the push wheel (14) is attached to the outer wall of the inner cylinder (9), a drive motor (7) is fixedly connected to the outer wall of the outer cylinder (8), and the shaft of the drive motor (7) is connected to the top of the push wheel (14).

2. The spiral-guided solid-liquid separation pretreatment device for food wastewater according to claim 1, characterized in that: The feed inlet (1) and the steam diversion input pipe (3) are both equipped with a first solenoid valve (4). The steam diversion input pipe (3) is equipped with two branch pipes, which are connected to the feed inlet (1) and the outer cylinder (8) respectively. The feed inlet (1) is equipped with a feed pump (2).

3. The spiral-guided solid-liquid separation pretreatment device for food wastewater according to claim 1, characterized in that: The pusher (14) is rotatably connected to the outer cylinder (8) via a rotating shaft. Multiple pushers (14) are distributed in a circular pattern at equal intervals about the inner wall of the top of the outer cylinder (8).

4. The spiral-guided solid-liquid separation pretreatment device for food wastewater according to claim 1, characterized in that: The outer wall of the inner cylinder (9) has a mesh structure, and a track (15) is provided on the outer wall of the inner cylinder (9).

5. The spiral-guided solid-liquid separation pretreatment device for food wastewater according to claim 4, characterized in that: The track (15) has a ring structure, and the track (15) corresponds to the position of the push wheel (14). One side of the push wheel (14) is inserted into the track (15).

6. The spiral-guided solid-liquid separation pretreatment device for food wastewater according to claim 1, characterized in that: The outer wall of the spiral guide tube (5) is fixedly connected to a sealing cap (6), which is made of rubber. The outer wall of the sealing cap (6) is in contact with the inner wall of the inner cylinder (9).

7. The spiral-guided solid-liquid separation pretreatment device for food wastewater according to claim 1, characterized in that: One end of the second discharge pipe (12) passes through the first discharge pipe (11) and is located at the bottom of the first discharge pipe (11). The first discharge pipe (11) has an inclined structure. The second discharge pipe (12) and the first discharge pipe (11) are both equipped with a second solenoid valve (13).

Images