Solid-liquid separation device for sewage purification

Abstract

The utility model relates to a solid-liquid separation device, belongs to the technical field of sewage purification, and particularly relates to a solid-liquid separation device for sewage purification. The sewage tank is fixedly mounted on the side wall of the box body, a filtering barrel is fixedly mounted on the wall surface of the top end of the sewage tank, a connecting pipe is fixedly mounted on the side wall of the box body, a second motor is fixedly mounted on the wall surface of the top end of the sewage tank, and a spiral conveying roller is fixedly mounted at the output end of the second motor; a filter screen is fixedly mounted at the joint of the filter barrel and the sewage tank; according to the sewage treatment device, sewage to be treated is rotationally extruded by the spiral blades on the surface of the spiral conveying roller, so that liquid in the sewage to be treated continuously flows into the sewage tank from the filter screen, solid-liquid separation is realized, and solid in the sewage to be treated is directly discharged from the slag discharge port, so that the practicability of the device is improved, and the device is suitable for popularization and application. The problem that an existing solid-liquid separation device for sewage purification is low in practicability is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage purification, in particular to a solid-liquid separation device for sewage purification. Background Art

[0002] Wastewater treatment refers to the process of purifying wastewater so that it meets the water quality requirements for discharge into a water body or reuse. Wastewater often contains a lot of solid impurities. The existing wastewater treatment equipment has low treatment efficiency for wastewater in the catering industry; the solid-liquid separation is not thorough, and the separated solid impurities often contain a lot of wastewater, which affects the subsequent processing of the solid impurities.

[0003] The Chinese patent publication number is CN212854898U, which discloses a solid-liquid separation device for sewage purification, which improves the degree of solid-liquid separation and improves practicality; it includes a sewage pool, a drainage device, a drain bucket, a first pulley, a first motor, a transmission, a rotating shaft, a second pulley and a transmission belt, a chamber is arranged inside the sewage pool, the drainage device is fixedly installed on the sewage pool, the input end of the drainage device is communicated with the bottom of the chamber of the sewage pool, the top of the sewage pool is provided with an opening connecting the sewage pool chamber and the outside world, the drain bucket can be rotatably installed at the opening at the top of the sewage pool, a chamber is arranged inside the drain bucket, a feed port penetrating the drain bucket chamber is arranged at the top of the drain bucket, and a plurality of drain holes connecting the sewage pool chamber and the drain bucket chamber are arranged on the outer wall of the drain bucket, the first pulley is fixedly sleeved on the drain bucket, and the first motor and the transmission are fixedly installed at the top of the sewage pool.

[0004] In the above technical solution, the sewage in the solids in the chamber of the drain bucket is thrown out by driving the drain bucket to rotate along the axis of the drain bucket. However, when the sewage is rotated and thrown out, some small solids in the sewage are easy to block the drain bucket, and the drain bucket needs to be taken out for subsequent cleaning of the solids, which is inconvenient to clean and has poor practicality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes a solid-liquid separation device for sewage purification. The sewage to be treated is subjected to the rotational squeezing of the spiral blades on the surface of the spiral conveying roller, so that the liquid in the sewage to be treated continuously flows from the filter screen to the inside of the sewage tank, thereby realizing solid-liquid separation, and the solids in the sewage to be treated are directly discharged from the slag discharge port, thereby improving the practicability of the device.

[0006] The technical solution to achieve the purpose of the utility model is: a solid-liquid separation device for sewage purification, including a box body, a feed inlet is opened on the top wall of the box body, a discharge pipe is fixedly installed on the bottom wall of the box body, and also includes;

[0007] A sewage tank, wherein the sewage tank is fixedly mounted on the side wall of the box body, the box body and the sewage tank are connected through a discharge pipe, a filter barrel is fixedly mounted on the top wall of the sewage tank, a connecting pipe is fixedly mounted on the side wall of the box body, the filter barrel and the box body are connected through the connecting pipe, a second motor is fixedly mounted on the top wall of the sewage tank, a spiral conveying roller is fixedly mounted on the output end of the second motor, the filter barrel is connected to the sewage tank, a filter screen is fixedly mounted at the connection between the filter barrel and the sewage tank, and a slag discharge port is provided on the side wall of the filter barrel away from the second motor.

[0008] In some embodiments, the distance between every two adjacent spiral blades in the spiral conveying roller gradually decreases from left to right.

[0009] In some embodiments, a first motor is fixedly mounted on the top wall of the box body, a rotating rod is fixedly mounted on the output end of the first motor, and a stirring blade is fixedly mounted on the side wall of the rotating rod.

[0010] In some embodiments, the stirring blade is made of sharp material.

[0011] In some embodiments, a first filter plate is fixedly mounted on the inner side wall of the box, and the first filter plate is inclined.

[0012] In some embodiments, a drainage port is provided at the bottom end of the side wall of the sewage tank, and a second filter plate is provided inside the sewage tank, and the second filter plate is located below the discharge pipe.

[0013] Compared with the prior art, the utility model has the following significant advantages:

[0014] First, the utility model starts the second motor, and the second motor drives the spiral conveying roller to rotate. The rotation of the spiral conveying roller drives the sewage to be treated to move toward the slag discharge port. During the movement, the sewage to be treated is squeezed by the rotation of the spiral blades on the surface of the spiral conveying roller, so that the liquid in the sewage to be treated continuously flows from the filter screen to the inside of the sewage tank, realizing solid-liquid separation, and the solid in the sewage to be treated is directly discharged from the slag discharge port, thereby improving the practicability of the device; solving the problem of low practicability of the existing solid-liquid separation device for sewage purification.

[0015] Secondly, the utility model discharges the sewage to be treated from the feed inlet to the interior of the box body, stirs and breaks the sewage to be treated through a rotating rod, crushes floating objects and larger solid objects that are easy to clog in the sewage to be treated, and prevents the liquid remaining in the floating objects from being unable to be discharged. The solids in the stirred sewage to be treated flow from the connecting pipe to the interior of the filter barrel, and the liquid in the stirred sewage to be treated flows from the discharge pipe to the interior of the sewage tank, and then passes through the second filter plate to filter the filtered sewage again to enhance the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

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

[0018] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the connection structure of the filter barrel, sewage tank and other structures of the utility model.

[0020] Description of reference numerals:

[0021] 1. Box body; 11. Feed inlet; 12. Discharge pipe; 2. First motor; 21. Rotating rod; 22. Stirring blade; 3. Second motor; 31. Screw conveyor roller; 4. Sewage tank; 41. Drain outlet; 5. Connecting pipe; 6. Filter barrel; 61. Slag discharge outlet; 62. Filter screen; 7. First filter plate; 8. Second filter plate. DETAILED DESCRIPTION

[0022] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides a solid-liquid separation device for sewage purification through improvement. The technical solution of the utility model is:

[0024] like Figure 1 - Figure 3As shown, a solid-liquid separation device for sewage purification includes a box body 1, a feed inlet 11 is provided on the top wall of the box body 1, a discharge pipe 12 is fixedly installed on the bottom wall of the box body 1, and a sewage tank 4 is also included; the sewage tank 4 is fixedly installed on the side wall of the box body 1, the box body 1 and the sewage tank 4 are connected through the discharge pipe 12, a filter barrel 6 is fixedly installed on the top wall of the sewage tank 4, a connecting pipe 5 is fixedly installed on the side wall of the box body 1, the filter barrel 6 and the box body 1 are connected through the connecting pipe 5, a second motor 3 is fixedly installed on the top wall of the sewage tank 4, a spiral conveying roller 31 is fixedly installed on the output end of the second motor 3, the distance between every two adjacent spiral blades in the spiral conveying roller 31 gradually decreases from left to right, the filter barrel 6 is connected to the sewage tank 4, and the connection between the filter barrel 6 and the sewage tank 4 A filter screen 62 is fixedly installed at the joint. The setting of the filter screen 62 facilitates filtering the untreated sewage that is rotated and squeezed by the spiral conveying roller 31 to achieve solid-liquid separation. A slag discharge port 61 is provided on the side wall of the filter barrel 6 away from the second motor 3. The setting of the slag discharge port 61 facilitates the discharge of solids in the sewage; the second motor 3 is started, and the second motor 3 drives the spiral conveying roller 31 to rotate. The rotation of the spiral conveying roller 31 drives the untreated sewage to move toward the slag discharge port 61. During the movement, the untreated sewage is subjected to the rotation and squeezing of the spiral blades on the surface of the spiral conveying roller 31, so that the liquid in the untreated sewage continuously flows from the filter screen 62 to the inside of the sewage tank 4, thereby achieving solid-liquid separation, and the solids in the untreated sewage are directly discharged from the slag discharge port 61, thereby improving the practicability of the device.

[0025] like Figure 2 and Figure 3 As shown, in one embodiment, a first motor 2 is fixedly mounted on the top wall of the box body 1, a rotating rod 21 is fixedly mounted on the output end of the first motor 2, a stirring blade 22 is fixedly mounted on the side wall of the rotating rod 21, and the stirring blade 22 is made of sharp material, which is convenient for cutting large floating objects to prevent the residual liquid inside the floating objects from being unable to be discharged, a first filter plate 7 is fixedly mounted on the inner side wall of the box body 1, the first filter plate 7 is inclined, and the first filter plate 7 corresponds to the connecting pipe 5, a drain port 41 is opened at the bottom end of the side wall of the sewage tank 4, and a second filter plate 8 is arranged inside the sewage tank 4, and the second filter plate 8 is located below the discharge pipe 12, through the second The filter plate 8 is provided to perform secondary filtration on the sewage filtered by the first filter plate 7 and the filter screen 62, thereby enhancing the filtering effect; the sewage to be treated is discharged into the interior of the box body 1 from the feed port 11, and the sewage to be treated is stirred and crushed by the rotating rod 21, and the floating objects and larger solid objects that are easy to clog in the sewage to be treated are crushed to prevent the liquid remaining in the floating objects from being unable to be discharged, and the solids of the stirred sewage to be treated flow from the connecting pipe 5 to the interior of the filter barrel 6, and the liquid of the stirred sewage to be treated flows from the discharge pipe 12 to the interior of the sewage tank 4, and then the filtered sewage is filtered again through the second filter plate 8 to enhance the filtering effect.

[0026] The specific working method is as follows: the sewage to be treated is discharged into the interior of the box body 1 from the feed inlet 11, the sewage to be treated is stirred and crushed by the rotating rod 21, and the floating objects and larger solid objects that are easy to clog in the sewage to be treated are crushed, and the stirred sewage to be treated flows from the connecting pipe 5 to the interior of the filter barrel 6, and the second motor 3 is started, and the second motor 3 drives the spiral conveying roller 31 to rotate, and the rotation of the spiral conveying roller 31 drives the sewage to be treated to move to the slag discharge port 61. During the movement, the sewage to be treated is squeezed by the rotation of the spiral blades on the surface of the spiral conveying roller 31, so that the liquid in the sewage to be treated continuously flows from the filter screen 62 to the interior of the sewage tank 4, so that solid-liquid separation is achieved, and the solids in the sewage to be treated are directly discharged from the slag discharge port 61, thereby improving the practicability of the device.

[0027] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A solid-liquid separation device for sewage purification, comprising a box (1), a top wall of the box (1) is provided with a feed inlet (11), a bottom wall of the box (1) is fixedly provided with a discharge pipe (12), characterized in that: Also includes: A sewage tank (4), wherein the sewage tank (4) is fixedly mounted on a side wall of the box body (1), the box body (1) and the sewage tank (4) are connected via a discharge pipe (12), and a filter barrel (6) is fixedly mounted on the top wall of the sewage tank (4); A connecting pipe (5) is fixedly mounted on the side wall of the box body (1), and the filter barrel (6) and the box body (1) are connected via the connecting pipe (5); A second motor (3) is fixedly mounted on the top wall of the sewage tank (4); a spiral conveying roller (31) is fixedly mounted on the output end of the second motor (3); the filter barrel (6) is connected to the sewage tank (4); a filter screen (62) is fixedly mounted at the connection between the filter barrel (6) and the sewage tank (4); and a slag discharge port (61) is provided on a side wall of the filter barrel (6) away from the second motor (3).

2. A solid-liquid separation device for sewage purification according to claim 1, characterized in that: The distance between every two adjacent spiral blades in the spiral conveying roller (31) gradually decreases from left to right.

3. A solid-liquid separation device for sewage purification according to claim 1, characterized in that: A first motor (2) is fixedly mounted on the top wall of the box body (1); A rotating rod (21) is fixedly mounted on the output end of the first motor (2), and a stirring blade (22) is fixedly mounted on the side wall of the rotating rod (21).

4. A solid-liquid separation device for sewage purification according to claim 3, characterized in that: The stirring blade (22) is made of sharp material.

5. A solid-liquid separation device for sewage purification according to claim 1, characterized in that: A first filter plate (7) is fixedly mounted on the inner side wall of the box body (1); The first filter plate (7) is inclined.

6. A solid-liquid separation device for sewage purification according to claim 1, characterized in that: A drainage port (41) is provided at the bottom end of the side wall of the sewage tank (4), and a second filter plate (8) is provided inside the sewage tank (4), and the second filter plate (8) is located below the discharge pipe (12).

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