Papermaking sewage treatment and purification device

Abstract

The invention particularly relates to a papermaking sewage treatment and purification device which comprises a box body, a transverse rotating cage is arranged in the box body, end plates are arranged at the two ends of the rotating cage, a transverse shaft is fixedly installed in the center of the outer side of one end plate, and the outer end of the transverse shaft penetrates out of the box body and is rotationally connected with the box body and is connected with the output end of a power device. An outlet is formed in the bottom of the box body, a transverse pipe is fixedly connected to the center of the outer side of the other end plate, the outer end of the transverse pipe penetrates out of the box body and is rotationally connected with the box body, and the outer end of the transverse shaft is rotationally connected with the lower end of a feeding pipe; papermaking sewage is injected into the filtering chamber through the feeding pipe and the transverse pipe, then the power device is started to drive the rotating cage and the filtering chamber to rotate, the sewage can be rapidly filtered by the filtering plate under the working effect of gravity and centrifugal force and is discharged through the outlet, residues are temporarily stored in the filtering chamber after filtering is completed, then the filtering plate is turned over by 180 degrees, and the filtering plate is turned over by 180 degrees. And therefore, the functions of efficiently filtering and automatically cleaning the residues on the filter plate are realized.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, and in particular to a papermaking sewage treatment and purification device. Background Art

[0002] At present, there are some settleable suspended matter and non-settled suspended matter in the pulp wastewater of paper mills. Most of these suspended matter are composed of some fibers and fiber fines. These wastes can be recycled and can be reused.

[0003] The existing pulp wastewater treatment and purification device mainly filters through a grid structure. During the use of the grid structure, some debris will remain on the surface of the grid plate structure. Due to the residue on the surface of the grid structure, the filtering effect of the device is easily deteriorated. Summary of the invention

[0004] In order to solve the deficiencies in the prior art (specifically explain what technical problems are solved), the present invention provides a papermaking wastewater treatment and purification device.

[0005] The technical solution of the present invention is:

[0006] The present invention provides a papermaking wastewater treatment and purification device, comprising a box body, a horizontal rotating cage is arranged in the box body, both ends of the rotating cage are end plates, a horizontal axis is fixedly installed at the center of the outer side of one of the end plates, the outer end of the horizontal axis passes through the box body and is rotatably connected to the box body, the outer end of the horizontal axis is connected to the output end of a power device, the power device can drive the horizontal axis to rotate, an outlet is arranged at the bottom of the box body, a horizontal pipe is fixedly connected to the center of the outer side of the other end plate, the outer end of the horizontal pipe passes through the box body and is rotatably connected to the box body, and the outer end of the horizontal axis is rotatably connected to the lower end of a feed pipe;

[0007] A filter chamber is arranged in the rotating cage, and the filter chamber comprises several filter plates distributed in a ring along the central axis of the rotating cage and spliced ​​in sequence. One end of the filter plate is fixedly connected to a horizontal driving shaft, and the driving shaft passes through the end plate and the two are connected by a sealed bearing.

[0008] Furthermore, a driven gear is fixedly installed on the outer end of the driving shaft, and a motor is provided on the outside of the box. The output shaft of the motor passes through the side wall of the box and extends into the box and a driving gear is fixedly installed. The motor is installed on the side of the box through a second horizontal electric telescopic rod. By shortening the second electric telescopic rod, the output shaft of the motor and the driving gear can be moved to engage with the driven gear, and the filter plate can be flipped 180 degrees by the motor.

[0009] Furthermore, a sealing strip is provided between the proximate ends of two adjacent filter plates, and both ends of the sealing strip are fixedly connected to the movable end of the first electric push rod, and the fixed end of the first electric push rod is fixed on the inner side of the end plate. By extending the first electric push rod, the sealing strip can simultaneously contact the proximate ends of the two adjacent filter plates, thereby sealing the gap between the proximate ends of the two adjacent filter plates.

[0010] Furthermore, a hinged cover is provided on the top of the box.

[0011] Furthermore, a locking structure is provided between the cover plate and the top of the box body.

[0012] The beneficial effects achieved by the present invention are:

[0013] When the present invention is used, papermaking wastewater is injected into the filter chamber through the feed pipe and the cross pipe, and then the power device is started to drive the cage and the filter chamber to rotate. Under the working action of gravity and centrifugal force, the wastewater can be quickly filtered by the filter plate, and the wastewater is discharged through the outlet. After the filtering is completed, the residue is temporarily stored in the filter chamber, and then the filter plate is flipped 180 degrees in sequence by the motor, and part of the residue falls down and part remains on the filter plate surface. Then, cleaning liquid is injected through the feed pipe, and the cage is continuously rotated. Under the action of centrifugal force and the impact force of water, the residue is separated from the filter plate surface and finally discharged through the outlet, thereby realizing the functions of high-efficiency filtration and automatic cleaning of filter plate residue. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 is along Figure 1 Schematic diagram of the cross-sectional structure of line AA. DETAILED DESCRIPTION

[0016] To facilitate those skilled in the art to understand the present invention, specific implementations of the present invention are described below with reference to the accompanying drawings.

[0017] like Figures 1-2 As shown, the present invention provides a papermaking wastewater treatment and purification device, including a box body 1, a horizontal rotating cage is arranged in the box body 1, and the two ends of the rotating cage are end plates 2, a horizontal axis 3 is fixedly installed at the center of the outer side of one of the end plates, the outer end of the horizontal axis 3 passes through the box body 1 and is rotatably connected to the box body, the outer end of the horizontal axis 3 is connected to the output end of a power device, and the power device can drive the horizontal axis 3 to rotate, an outlet 4 is provided at the bottom of the box body, a horizontal pipe 5 is fixedly connected to the center of the outer side of the other end plate, the outer end of the horizontal pipe passes through the box body 1 and is rotatably connected to the box body, and the outer end of the horizontal axis 3 is rotatably connected to the lower end of the feed pipe.

[0018] A filter chamber 6 is arranged in the rotating cage, and the filter chamber 6 includes several filter plates 7 distributed in a ring along the central axis of the rotating cage and spliced ​​in sequence. A sealing strip 8 is arranged between the proximal ends of two adjacent filter plates 7, and both ends of the sealing strip 8 are fixedly connected to the movable end of the first electric push rod 9. The fixed end of the first electric push rod 9 is fixed to the inner side of the end plate. By extending the first electric push rod 9, the sealing strip 8 can simultaneously contact the proximal ends of the two adjacent filter plates 7 to seal the gap between the proximal ends of the two adjacent filter plates 7. Both ends of the filter plate are fitted with the inner side surface of the end plate, and the center of one end of the filter plate is fixedly connected to the transverse drive shaft 10. The drive shaft 10 passes through the end plate and the two are connected by a sealed bearing.

[0019] A driven gear 11 is fixedly installed at the outer end of the driving shaft 10, and a motor 12 is provided on the outside of the box. The output shaft of the motor 12 passes through the side wall of the box and extends into the box and a driving gear 14 is fixedly installed. The motor 12 is installed on the side of the box through a second horizontal electric telescopic rod 13. The output shaft of the motor and the driving gear can be engaged with the driven gear by shortening the second electric telescopic rod 13, and the filter plate can be flipped 180 degrees by the motor 12.

[0020] A hinged cover plate 15 is arranged on the top of the box body, and a locking structure is arranged between the cover plate and the top of the box body, so that the cover plate 15 can be folded.

[0021] Working principle: When in use, the papermaking wastewater is injected into the filter chamber through the feed pipe and the cross pipe, and then the power device is started to drive the cage and the filter chamber to rotate. Under the working action of gravity and centrifugal force, the wastewater can be quickly filtered by the filter plate, and the wastewater is discharged through the outlet 4. After the filtration is completed, the residue is temporarily stored in the filter chamber, and then the filter plate is flipped 180 degrees in turn by the motor. Part of the residue falls down, and part remains on the filter plate surface. Then, the cleaning liquid is injected through the feed pipe, and the cage is continued to rotate. Under the action of centrifugal force and the impact force of water, the residue is detached from the filter plate surface and finally discharged through the outlet, realizing the functions of high-efficiency filtration and automatic cleaning of filter plate residue.

[0022] The above-described embodiments of the present invention do not constitute a limitation on the protection scope of the present invention. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A papermaking wastewater treatment and purification device, characterized in that: It includes a box body, a horizontal rotating cage is arranged inside the box body, and the two ends of the rotating cage are end plates, a horizontal axis is fixedly installed at the center of the outer side of one of the end plates, the outer end of the horizontal axis passes through the box body and is rotatably connected to the box body, the outer end of the horizontal axis is connected to the output end of the power device, and the power device can drive the horizontal axis to rotate, an outlet is arranged at the bottom of the box body, the outer center of the other end plate is fixedly connected to a horizontal pipe, the outer end of the horizontal pipe passes through the box body and is rotatably connected to the box body, and the outer end of the horizontal axis is rotatably connected to the lower end of the feed pipe; A filter chamber is arranged in the rotating cage, and the filter chamber comprises several filter plates distributed in a ring along the central axis of the rotating cage and spliced ​​in sequence. One end of the filter plate is fixedly connected to a horizontal driving shaft, and the driving shaft passes through the end plate and the two are connected by a sealed bearing.

2. A papermaking wastewater treatment and purification device according to claim 1, characterized in that: A driven gear is fixedly installed on the outer end of the driving shaft, and a motor is arranged on the outer side of the box body. The output shaft of the motor passes through the side wall of the box body and extends into the box body and a driving gear is fixedly installed thereon. The motor is installed on the side of the box body through a second horizontal electric telescopic rod. By shortening the second electric telescopic rod, the output shaft of the motor and the moving driving gear can engage with the driven gear, and the filter plate can be flipped 180 degrees by the motor.

3. A papermaking wastewater treatment and purification device according to claim 1, characterized in that: A sealing strip is provided between the proximate ends of two adjacent filter plates, and both ends of the sealing strip are fixedly connected to the movable end of the first electric push rod. The fixed end of the first electric push rod is fixed on the inner side of the end plate. By extending the first electric push rod, the sealing strip can simultaneously contact the proximate ends of the two adjacent filter plates, thereby sealing the gap between the proximate ends of the two adjacent filter plates.

4. A papermaking wastewater treatment and purification device according to claim 1, characterized in that: A hinged cover is arranged on the top of the box body.

5. A papermaking wastewater treatment and purification device according to claim 4, characterized in that: A locking structure is arranged between the cover plate and the top of the box body.

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