An adjustable filtering device for sewage treatment

Abstract

The utility model discloses an adjustable filter device for sewage treatment, which relates to the field of sewage treatment, and is designed to solve the problem that some sewage in the prior art needs to be first flocculated and then filtered through a filter device, but the existing filter device cannot squeeze and dehydrate the flocculated material, and the flocculated material is prone to blockage inside the filter device. A water collecting tank is arranged at the lower end of the sewage treatment device, a drain pipe is fixedly connected to the lower end of one side of the sewage treatment device, a water control tank is fixedly arranged at the upper end of one side of the sewage treatment device, a conveying box is fixedly arranged at the upper end of the other side of the sewage treatment device, a semicircular filter screen is arranged at the lower end face of the conveying box, a conical extrusion cylinder is fixedly connected to one side of the conveying box, a semiconical filter screen is arranged at the lower end face of the conical extrusion cylinder, and a spiral blade and a conical spiral blade are rotatably connected to the middle of the conveying box and the conical extrusion cylinder, respectively.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to an adjustable filtering device for sewage treatment. Background Art

[0002] Wastewater treatment: The process of purifying wastewater to meet the water quality requirements for discharge into a water body or reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical treatment, catering, etc., and is increasingly entering the daily lives of ordinary people.

[0003] At present, some sewage treatment needs to be flocculated first and then filtered through a filter device, but the existing filter device cannot squeeze and dehydrate the flocculants, and the flocculants are prone to clogging inside the filter device; therefore, the market urgently needs to develop an adjustable sewage treatment filter device to help people solve the existing problems. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable filter device for sewage treatment to solve the problem mentioned in the above background technology that some sewage treatment currently needs to be first coagulated and then filtered through a filter device, but the existing filter device cannot squeeze and dehydrate the flocculants, and the flocculants are prone to clogging inside the filter device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable filtering device for sewage treatment, comprising a sewage treatment device, a water collecting tank is arranged at the lower end of the sewage treatment device, a drain pipe is fixedly connected to the lower end of one side of the sewage treatment device, a water control box is fixedly arranged at the upper end of one side of the sewage treatment device, a plate-shaped filter screen is arranged at the lower end surface of the water control box, a conveying box is fixedly arranged at the upper end of the other side of the sewage treatment device, a semicircular filter screen is arranged at the lower end surface of the conveying box, a conical extrusion cylinder is fixedly connected to one side of the conveying box, a semi-conical filter screen is arranged at the lower end surface of the conical extrusion cylinder, a spiral blade and a conical spiral blade are rotatably connected to the middle of the conveying box and the conical extrusion cylinder respectively, a flocculation device is connected to the upper end of the conveying box, a sewage inlet pipe is fixedly connected to one side of the middle part of the upper end surface of the flocculation device, a flocculation water discharge pipe is fixedly connected to the lower end of the flocculation device, a flocculation liquid storage box is fixedly connected to one side of the flocculation device, a stirring shaft is rotatably connected to the middle part of the flocculation device, and a plurality of stirring rods are fixedly connected to the stirring shaft.

[0006] Preferably, the larger diameter side of the conical extrusion cylinder is connected to the interior of the conveying box, and the smaller diameter side of the conical extrusion cylinder is provided with a discharge port, and one side of the discharge port is connected to the interior of the water control tank.

[0007] Preferably, the spiral blades and the middle parts of the conical spiral blades are fixedly connected to a conveying shaft, and one side of the sewage treatment device is fixedly connected to a first motor box, and a first motor is arranged inside the first motor box.

[0008] Preferably, one end of the conveying shaft passes through the sewage treatment device, extends to the inside of the first motor box, and is fixedly connected to the output shaft of the first motor.

[0009] Preferably, the lower end of the flocculation liquid storage tank is connected to the interior of the flocculation device through a liquid delivery pipe, and a second control valve is fixedly provided on the delivery pipe.

[0010] Preferably, the lower end of the flocculation water discharge pipe is communicated with the interior of the conveying box, and a first control valve is provided on the flocculation water discharge pipe.

[0011] Preferably, a second motor box is fixedly connected to the middle of the upper end of the flocculation device, a second motor is arranged inside the second motor box, and the upper end of the stirring shaft passes through the flocculation device, extends to the inside of the second motor box and is fixedly connected to the output shaft of the second motor.

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

[0013] 1. In the utility model, a conical extrusion cylinder is provided, and a conical spiral blade is rotatably connected to the middle of the conical extrusion cylinder. The spiral blade transports the floccules to the inside of the conical extrusion cylinder, and the conical spiral blade continues to drive the floccules to move. At the same time, the diameter of the conical extrusion cylinder body is gradually reduced, so that the floccules shrink during transportation, and then squeezed and dehydrated. The squeezed water also falls into the water collecting tank after passing through the semi-conical filter screen, and the floccules finally enter the water control tank from the discharge port, thereby realizing the extrusion and dehydration of the floccules.

[0014] 2. In the utility model, through the setting of the conveying box, the middle part of the conveying box is respectively connected with spiral blades for rotation. The flocculent water entering the conveying box is initially filtered through the semicircular filter screen. The filtered water falls into the water collection tank. At the same time, the flocculent is transported to the inside of the conical extrusion cylinder through the spiral blades. This preliminary filtration method prevents the flocculent from clogging the semicircular filter screen.

[0015] 3. In the utility model, a water control tank is fixedly provided at the upper end of one side of the sewage treatment device, and a plate-shaped filter is provided at the lower end surface of the water control tank. The floccules finally enter the water control tank from the discharge port. The floccules are allowed to stand still so that a small amount of water flows out and also fall into the water collection tank through the plate-shaped filter, so that the water in the floccules can flow out sufficiently, which is convenient for subsequent treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of an adjustable sewage treatment filter device of the utility model;

[0017] Figure 2 It is the main sectional view of the utility model;

[0018] Figure 3 It is a side sectional view of the conveying box of the utility model;

[0019] Figure 4 It is a top sectional view of the flocculation device of the utility model.

[0020] In the figure: 1. sewage treatment device; 101. water collection tank; 102. drainage pipe; 103. water control box; 104. plate filter; 2. first motor box; 201. first motor; 3. conveying box; 301. semicircular filter; 4. conical extrusion cylinder; 401. semiconical filter; 402. discharge port; 5. conveying shaft; 501. spiral blade; 502. conical spiral blade; 6. flocculation device; 601. sewage inlet pipe; 602. flocculation water discharge pipe; 603. first control valve; 604. flocculation liquid storage box; 605. second control valve; 7. stirring shaft; 701. stirring rod; 8. second motor box; 801. second motor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4 The utility model provides an embodiment: an adjustable filtering device for sewage treatment, including a sewage treatment device 1, a water collecting tank 101 is arranged at the lower end of the sewage treatment device 1, a drainage pipe 102 is fixedly connected to the lower end of one side of the sewage treatment device 1, a water control box 103 is fixedly arranged at the upper end of one side of the sewage treatment device 1, a plate-shaped filter screen 104 is arranged at the lower end surface of the water control box 103, a conveying box 3 is fixedly arranged at the upper end of the other side of the sewage treatment device 1, a semicircular filter screen 301 is arranged at the lower end surface of the conveying box 3, and a conical extrusion screen 3 is fixedly connected to one side of the conveying box 3. Cylinder 4, a semi-conical filter screen 401 is arranged on the lower end face of the conical extrusion cylinder 4, a spiral blade 501 and a conical spiral blade 502 are rotatably connected to the middle part of the conveying box 3 and the conical extrusion cylinder 4 respectively, a flocculation device 6 is connected to the upper end of the conveying box 3, a sewage inlet pipe 601 is fixedly connected to one side of the middle part of the upper end face of the flocculation device 6, a flocculation water discharge pipe 602 is fixedly connected to the lower end of the flocculation device 6, a flocculation liquid storage tank 604 is fixedly connected to one side of the flocculation device 6, a stirring shaft 7 is rotatably connected to the middle part of the inside of the flocculation device 6, and a plurality of stirring rods 701 are fixedly connected to the stirring shaft 7.

[0023] Furthermore, the larger diameter side of the conical extrusion cylinder 4 is connected to the interior of the conveying box 3 , and the smaller diameter side of the conical extrusion cylinder 4 is provided with a discharge port 402 , and one side of the discharge port 402 is connected to the interior of the water control box 103 .

[0024] Furthermore, the middle parts of the spiral blade 501 and the conical spiral blade 502 are fixedly connected to a conveying shaft 5 , and one side of the sewage treatment device 1 is fixedly connected to a first motor box 2 , and a first motor 201 is arranged inside the first motor box 2 .

[0025] Further, one end of the conveying shaft 5 passes through the sewage treatment device 1 and extends to the inside of the first motor box 2 and is fixedly connected to the output shaft of the first motor 201. The conveying shaft 5 is driven to rotate by the first motor 201, and the conveying shaft 5 simultaneously drives the spiral blade 501 and the conical spiral blade 502 to rotate, so that the flocculent water entering the conveying box 3 is initially filtered through the semicircular filter screen 301, and the filtered water falls into the water collection tank 101, and the flocculent is transported to the inside of the conical extrusion cylinder 4 through the spiral blade 501. The conical spiral blades 502 continue to drive the floccules to move, and at the same time, the diameter of the conical extrusion cylinder 4 gradually decreases, so that the floccules shrink during transportation, and then squeeze and dehydrate, and the squeezed water passes through the semi-conical filter 401 and falls into the water collecting tank 101. The floccules finally enter the water control tank 103 from the discharge port 402. The floccules are allowed to stand still so that a small amount of water flows out, and they also fall into the water collecting tank 101 through the plate filter 104. The water in the water collecting tank 101 is discharged through the drain pipe 102.

[0026] Furthermore, the lower end of the flocculation liquid storage tank 604 is connected to the inside of the flocculation device 6 through a liquid delivery pipe, and a second control valve 605 is fixedly provided on the delivery pipe. The second control valve 605 controls the flocculation liquid storage tank 604 to deliver the flocculant to the inside of the flocculation device 6 .

[0027] Furthermore, the lower end of the flocculation water discharge pipe 602 is connected to the interior of the conveying box 3, and a first control valve 603 is provided on the flocculation water discharge pipe 602. When the sewage inside the flocculation device 6 is fully flocculated, the first control valve 603 is opened, and the flocculated sewage flows into the interior of the conveying box 3 through the flocculation water discharge pipe 602.

[0028] Furthermore, a second motor box 8 is fixedly connected to the middle part of the upper end of the flocculation device 6, and a second motor 801 is arranged inside the second motor box 8. The upper end of the stirring shaft 7 passes through the flocculation device 6 and extends to the inside of the second motor box 8 and is fixedly connected to the output shaft of the second motor 801. The stirring shaft 7 is driven to rotate by the second motor 801, and the stirring shaft 7 drives the stirring rod 701 to rotate, so as to stir the sewage inside the flocculation device 6 and fully flocculate the sewage.

[0029] Working principle: When in use, the sewage is discharged into the flocculation device 6 through the sewage inlet pipe 601, and the flocculation liquid storage tank 604 is controlled by the second control valve 605 to transport the flocculant to the flocculation device 6. The stirring shaft 7 is driven by the second motor 801 to rotate, and the stirring shaft 7 drives the stirring rod 701 to rotate, so as to stir the sewage inside the flocculation device 6 to fully flocculate the sewage. When the sewage inside the flocculation device 6 is fully flocculated, the first control valve 603 is opened, and the flocculated sewage flows into the conveying box 3 through the flocculation water discharge pipe 602, and the conveying shaft 5 is driven by the first motor 201 to rotate, and the conveying shaft 5 simultaneously drives the spiral blade 501 and the conical spiral blade 502 to rotate, so that the sewage entering the conveying box 3 The flocculent water inside is initially filtered through the semicircular filter screen 301, and the filtered water falls into the water collection tank 101. At the same time, the flocculent is transported to the inside of the conical extrusion cylinder 4 through the spiral blade 501, and the flocculent is continued to be driven to move by the conical spiral blade 502. At the same time, the barrel diameter of the conical extrusion cylinder 4 is gradually reduced, so that the flocculent shrinks during transportation, and then squeezed and dehydrated. The squeezed water also falls into the water collection tank 101 after passing through the semiconical filter screen 401, and the flocculent finally enters the water control tank 103 from the discharge port 402. The flocculent is allowed to stand still so that a small amount of water flows out, and it also falls into the water collection tank 101 through the plate filter screen 104. The water in the water collection tank 101 is discharged through the drain pipe 102.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An adjustable filter device for sewage treatment, comprising a sewage treatment device (1), characterized in that: A water collecting tank (101) is arranged at the lower end of the sewage treatment device (1), a drainage pipe (102) is fixedly connected to the lower end of one side of the sewage treatment device (1), a water control box (103) is fixedly arranged at the upper end of one side of the sewage treatment device (1), a plate-shaped filter screen (104) is arranged on the lower end surface of the water control box (103), a conveying box (3) is fixedly arranged at the upper end of the other side of the sewage treatment device (1), a semi-circular filter screen (301) is arranged on the lower end surface of the conveying box (3), a conical extrusion cylinder (4) is fixedly connected to one side of the conveying box (3), and a semi-conical filter screen is arranged on the lower end surface of the conical extrusion cylinder (4). (401), the conveying box (3) and the conical extrusion cylinder (4) are rotatably connected to spiral blades (501) and conical spiral blades (502) in the middle, respectively; the upper end of the conveying box (3) is connected to a flocculation device (6); a sewage inlet pipe (601) is fixedly connected to one side of the middle of the upper end surface of the flocculation device (6); a flocculation water discharge pipe (602) is fixedly connected to the lower end of the flocculation device (6); a flocculation liquid storage tank (604) is fixedly connected to one side of the flocculation device (6); a stirring shaft (7) is rotatably connected to the middle of the interior of the flocculation device (6); and a plurality of stirring rods (701) are fixedly connected to the stirring shaft (7).

2. The adjustable sewage treatment filter device according to claim 1, characterized in that: The larger diameter side of the conical extrusion cylinder (4) is in communication with the interior of the conveying box (3), and the smaller diameter side of the conical extrusion cylinder (4) is provided with a discharge port (402), and one side of the discharge port (402) is in communication with the interior of the water control box (103).

3. The adjustable sewage treatment filter device according to claim 1, characterized in that: The spiral blade (501) and the conical spiral blade (502) are fixedly connected to a conveying shaft (5) at their middle parts, and a first motor box (2) is fixedly connected to one side of the sewage treatment device (1), wherein a first motor (201) is arranged inside the first motor box (2).

4. The adjustable sewage treatment filter device according to claim 3, characterized in that: One end of the conveying shaft (5) passes through the sewage treatment device (1) and extends to the interior of the first motor box (2) to be fixedly connected to the output shaft of the first motor (201).

5. The adjustable sewage treatment filter device according to claim 1, characterized in that: The lower end of the flocculation liquid storage tank (604) is connected to the interior of the flocculation device (6) through a liquid delivery pipe, and a second control valve (605) is fixedly arranged on the delivery pipe.

6. The adjustable sewage treatment filter device according to claim 1, characterized in that: The lower end of the flocculation water discharge pipe (602) is in communication with the interior of the conveying box (3), and a first control valve (603) is provided on the flocculation water discharge pipe (602).

7. The adjustable sewage treatment filter device according to claim 1, characterized in that: A second motor box (8) is fixedly connected to the middle of the upper end of the flocculation device (6), a second motor (801) is arranged inside the second motor box (8), and the upper end of the stirring shaft (7) passes through the flocculation device (6) and extends into the second motor box (8) to be fixedly connected to the output shaft of the second motor (801).

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