阅读说明：本技术 一种硅酸钠连续生产过滤装置 (Sodium silicate continuous production filter equipment ) 是由 李霆云 李灵波 李翔 姜薇 候杰君 雷昌学 于 2020-04-30 设计创作，主要内容包括：一种硅酸钠连续生产过滤装置,包括过滤池、离心过滤装置、回转桁架组合、真空吸滤管、固体废料泵、环形轨道；过滤池为圆形,其设置在地面以下,侧边设置有过滤池进料口,底部为倾斜设置,在地面以上设置有环形池沿,池沿顶部固定设置有环形轨道；离心过滤装置上固定设置有滤网,其中心固定设置有中心管；离心过滤装置旋转设置在过滤池中；回转桁架组合固定设置在离心过滤装置上部,其外沿下部固定设置有行走轮,行走轮转动设置在环形轨道上；真空吸滤管与中心管固定连接；所述固体废料泵固定设置在过滤池侧边；本发明的硅酸钠连续生产过滤装置解决了以往板框抽滤装置、及过滤池需定期清洗、清理的问题,因此实现了硅酸钠过滤生产的连续性。(A filtering device for continuous production of sodium silicate comprises a filtering tank, a centrifugal filtering device, a rotary truss combination, a vacuum suction filtering pipe, a solid waste pump and an annular track; the filtering tank is round and is arranged below the ground, the side edge of the filtering tank is provided with a filtering tank feeding port, the bottom of the filtering tank is obliquely arranged, an annular tank edge is arranged above the ground, and the top of the tank edge is fixedly provided with an annular track; a filter screen is fixedly arranged on the centrifugal filter device, and a central tube is fixedly arranged at the center of the centrifugal filter device; the centrifugal filtering device is rotationally arranged in the filtering tank; the rotary truss combination is fixedly arranged at the upper part of the centrifugal filter device, the lower part of the outer edge of the rotary truss combination is fixedly provided with a travelling wheel, and the travelling wheel is rotatably arranged on the annular track; the vacuum suction filter tube is fixedly connected with the central tube; the solid waste pump is fixedly arranged on the side edge of the filtering tank; the continuous production filtering device for sodium silicate solves the problem that the conventional plate frame suction filtering device and the filtering tank need to be cleaned and cleaned regularly, so that the continuity of the sodium silicate filtering production is realized.)

1. The utility model provides a sodium silicate continuous production filter equipment which characterized by: comprises a filter tank (1), a centrifugal filter device (2), a rotary truss combination (3), a vacuum suction filter pipe (4), a solid waste pump (5) and an annular track (6); the filtering tank (1) is round and is arranged below the ground, and a filtering tank feeding hole (1.1) is formed in the side edge of the filtering tank; the bottom of the filtering tank (1) is arranged obliquely, an annular tank edge is arranged above the ground, and an annular track (6) is fixedly arranged at the top of the tank edge; a filter screen (2.7) is fixedly arranged on the centrifugal filter device (2), and a central tube (2.4) is fixedly arranged at the center of the centrifugal filter device; the centrifugal filtering device (2) is rotationally arranged in the filtering tank (1); the rotary truss combination (3) is fixedly arranged at the upper part of the centrifugal filtering device (2), the lower part of the outer edge of the rotary truss combination is fixedly provided with a travelling wheel (3.4), and the travelling wheel (3.4) is rotatably arranged on an annular track (6) at the top of the edge of the filtering tank (1); the vacuum suction filter tube (4) is fixedly arranged at the upper part of the central tube (2.4); the solid waste pump (5) is fixedly arranged on the side edge of the filtering tank (1).

2. The sodium silicate continuous production filtering device of claim 1, which is characterized in that: the centrifugal filter device (2) comprises an outer centrifugal tube (2.1), an inner centrifugal tube (2.2), a filter screen supporting tube (2.3), a central tube (2.4), a central connecting tube (2.5), a filter screen inner suction tube (2.6) and a filter screen (2.7); the outer centrifugal tube (2.1) and the inner centrifugal tube (2.2) are fixedly connected through a plurality of filter screen supporting tubes (2.3); the upper part and the lower part of the outer centrifugal tube (2.1), the inner centrifugal tube (2.2) and the filter screen supporting tube (2.3) are fixedly connected through a plurality of filter screen inner suction tubes (2.6); the inner centrifugal tube (2.2) is fixedly connected with the central tube (2.4) through a plurality of central connecting tubes (2.5); be equipped with on filter screen internal suction pipe (2.6) pipe wall and inhale filter tube hole (2.6.1) in a plurality of, it is linked together with the lumen of center tube (2.4) through the lumen of outer centrifuging tube (2.1), interior centrifuging tube (2.2), filter screen stay tube (2.3), central connecting pipe (2.5).

3. The sodium silicate continuous production filtering device of claim 1, which is characterized in that: a filter screen fixing skirt edge (2.3.1) is arranged on the filter screen supporting tube (2.3), and a plurality of studs are fixedly arranged on the filter screen fixing skirt edge (2.3.1); the upper edge and the lower edge of the filter screen (2.7) are fixedly connected with a filter screen fixing skirt edge (2.3.1) through studs, nuts and a filter screen skirt edge pressing plate (2.7.1); a plurality of studs are arranged on the inner suction pipe (2.6) of the filter screen; the middle part of the filter screen (2.7) is fixedly connected with the inner suction pipe (2.6) of the filter screen through a stud, a nut and a pressing plate (2.7.2) of the inner suction pipe of the filter screen.

4. The sodium silicate continuous production filtering device of claim 1, which is characterized in that: the bottom of the central tube (2.4) is of a closed structure, and the top of the central tube is provided with a rotary supporting mechanism (2.4.1).

5. The sodium silicate continuous production filtering device of claim 1, which is characterized in that: the rotary truss combination (3) comprises a rotary truss (3.1), a truss center ring (3.2), an outer ring framework (3.3) and a travelling wheel (3.4); the rotary truss (3.1) is in the shape of an umbrella rib, a truss center ring (3.2) is fixedly arranged in the middle of the rotary truss, and an outer ring framework (3.3) is fixedly arranged on the outer circle of the rotary truss; the lower part of the outer ring framework (3.3) is fixedly provided with a walking wheel (3.4), and the walking wheel (3.4) comprises a driving walking wheel and a driven walking wheel; the truss center ring (3.2) is arranged on the outer circular surface of the center tube (2.4), and the rotary truss (3.1) is fixedly connected with the filter screen support tube (2.3) through a bolt.

6. The sodium silicate continuous production filtering device of claim 4, which is characterized in that: the vacuum suction filter pipe (4) comprises a suction filter pipe connecting flange (4.1) and a suction filter pipe extension pipe (4.2); the suction filter tube extension tube (4.2) is arranged in a tube cavity at the top of the central tube (2.4) and is sealed by a sealing ring; the suction filter pipe connecting flange (4.1) is fixedly connected with a rotary supporting mechanism (2.4.1) at the top of the central pipe (2.4).

7. The sodium silicate continuous production filtering device of claim 1, which is characterized in that: the solid waste pump (5) is a spiral delivery pump, and a pump port at the bottom of the solid waste pump is arranged at the lowest position of the filter tank (1).

Technical Field

The invention relates to the technical field of sodium silicate production, in particular to a filtering device for continuous production of sodium silicate.

Background

At present, the process for producing sodium silicate is an intermittent production process; in a production batch of the intermittent production process, sodium silicate fluid generated by reaction in the reaction kettle is discharged to a filter tank and then filtered by a plate-and-frame suction filtration device in the filter tank; however, the existing plate frame suction filtration device is fixedly arranged in a filtration tank, and during negative pressure filtration, incompletely reacted quartz sand existing in a sodium silicate fluid can be attached to a filter screen of the plate frame suction filtration device to block a filtration hole of the filter screen, so that the filtration efficiency of the plate frame suction filtration device is reduced, so that the plate frame suction filtration device needs to be periodically lifted out of the filtration tank, hot water is used for washing to remove the quartz sand attached to the filter screen, and the sodium silicate fluid can flow to pollute a production workshop during lifting out and cleaning of the plate frame suction filtration device; in addition, after the filter tank works for a period of time, a large amount of incompletely-reacted quartz sand is deposited at the bottom, so that the filter tank also needs to be periodically and manually excavated and cleaned, and the environmental pollution of a production workshop can be caused in the process; the cleaning production workshop increases the workload of workers and the consumption of hot water, thereby affecting the economic benefit of enterprises, and simultaneously generating liquid waste to cause environmental pollution; in addition, the existing sodium silicate is an intermittent production process through a plate frame suction filtration device, and cannot be applied to a sodium silicate continuous production process.

Disclosure of Invention

In order to overcome the defects in the background art, the invention discloses a sodium silicate continuous production filtering device, which comprises a filtering tank, a centrifugal filtering device, a rotary truss combination, a vacuum suction filtering pipe, a solid waste pump and an annular track, wherein the filtering tank is arranged on the upper part of the filtering tank; the filtering tank is round and is arranged below the ground, and a filtering tank feeding hole is formed in the side edge of the filtering tank; the bottom of the filter tank is arranged obliquely, an annular tank edge is arranged above the ground, and an annular track is fixedly arranged at the top of the tank edge; a filter screen is fixedly arranged on the centrifugal filter device, and a central tube is fixedly arranged at the center of the centrifugal filter device; the centrifugal filtering device is rotationally arranged in the filtering tank; the rotary truss combination is fixedly arranged at the upper part of the centrifugal filter device, the lower part of the outer edge of the rotary truss combination is fixedly provided with a travelling wheel, and the travelling wheel is rotatably arranged on an annular track at the top of the edge of the filter tank; the vacuum suction filter tube is fixedly arranged on the upper part of the central tube; the solid waste pump is fixedly arranged on the side edge of the filtering tank; when the continuous production filtering device for sodium silicate works, a sodium silicate fluid is output from a reaction kettle to a filtering tank and then enters the filtering tank, a centrifugal filtering device rotates in the filtering tank at a set speed, the sodium silicate fluid flows through the outer surface of a filter screen at a certain speed, and under the action of vacuum negative pressure, a part of the sodium silicate fluid on the outer surface of the filter screen enters the inner side of the filter screen through filtration and is conveyed to a blending tank by a vacuum suction filter pipe; meanwhile, the quartz sand which is remained on the outer surface of the filter screen and is not completely reacted is washed to the edge of the filter tank under the flowing action of the sodium silicate fluid, and falls into the bottom of the filter tank through precipitation; under the action of the inclined surface at the bottom of the filtering tank, the water is finally collected at the lowest part of the filtering tank; inputting the incompletely reacted quartz sand collected at the lowest part of the filter tank into a waste solid recovery device through a solid waste pump; the continuous production filtering device for sodium silicate solves the problems that the traditional plate frame suction filtering device needs to be cleaned regularly and the filtering tank needs to be cleaned regularly to remove deposited quartz sand, so that the continuity of the filtering production of sodium silicate is realized, and the problem of environmental pollution caused by liquid waste is solved at the same time.

In order to realize the purpose, the invention adopts the following technical scheme: a filtering device for continuous production of sodium silicate comprises a filtering tank, a centrifugal filtering device, a rotary truss combination, a vacuum suction filtering pipe, a solid waste pump and an annular track; the filtering tank is round and is arranged below the ground, a filtering tank feeding port is formed in the side edge of the filtering tank, and the sodium silicate fluid output from the upper-stage reaction kettle is input into the filtering tank from the filtering tank feeding port through a pipeline; the bottom of the filter tank is obliquely arranged, and the incompletely reacted quartz sand mixed in the sodium silicate fluid in the filter tank gradually settles at the bottom of the filter tank and slowly slides along the inclined plane on the inclined plane at the bottom of the filter tank because the density of the quartz sand is greater than that of the sodium silicate fluid, and finally settles at the lowest part of the side edge of the filter tank; the filtering tank is provided with an annular tank edge above the ground, and the top of the tank edge is fixedly provided with an annular track; the centrifugal filter device is fixedly provided with a filter screen, the center of the centrifugal filter device is fixedly provided with a central tube, and the central tube can generate vacuum negative pressure on the inner side of the filter screen so as to accelerate the filtering speed of the sodium silicate fluid through the filter screen and improve the filtering efficiency; the centrifugal filter device is rotationally arranged in the filter tank, when the centrifugal filter device rotates, the sodium silicate fluid is driven to rotate to generate centrifugal force, so that the sodium silicate fluid flows from the central part of the centrifugal filter device to the edge of the filter tank, and when the sodium silicate fluid flows, the incompletely-reacted quartz sand attached to the filter screen is washed away, so that the filter screen is prevented from blocking filter holes of the filter screen to reduce the filter efficiency of the filter screen; the rotary truss combination is fixedly arranged at the upper part of the centrifugal filter device, the lower part of the outer edge of the rotary truss combination is fixedly provided with a travelling wheel, the travelling wheel is rotatably arranged on an annular track at the top of the edge of the filter tank and does rotary motion along the annular track, and the rotary truss combination drives the centrifugal filter device to do rotary motion; the vacuum suction filter pipe is rotatably arranged at the upper part of the central pipe and is connected with a vacuum pump, and the central pipe generates vacuum negative pressure on the inner side of the filter screen finally when the vacuum pump works; the solid waste pump is fixedly arranged on the side edge of the filtering tank and used for conveying and discharging incompletely-reacted quartz sand deposited at the lowest part of the side edge of the filtering tank and conveying the quartz sand to the waste solid recovery device.

Further, the centrifugal filtering device comprises an outer centrifugal tube, an inner centrifugal tube, a filter screen supporting tube, a central connecting tube, a filter screen inner suction tube and a filter screen; the outer centrifugal tube and the inner centrifugal tube are fixedly connected through a plurality of filter screen supporting tubes; the upper part and the lower part of the outer centrifuge tube, the inner centrifuge tube and the filter screen supporting tube are fixedly connected through the inner suction tubes of the plurality of filter screens; the inner centrifugal tube is fixedly connected with the central tube through a central connecting tube; a plurality of inner suction filter tube holes are formed in the tube wall of the inner suction tube of the filter screen, and the inner suction filter tube holes are communicated with the tube cavity of the central tube through the tube cavities of the outer centrifugal tube, the inner centrifugal tube, the filter screen supporting tube and the central connecting tube; when a vacuum pump connected with the vacuum suction filter pipe works, vacuum negative pressure is finally generated on the inner side of the filter screen through the inner suction filter pipe hole on the pipe wall of the inner suction filter pipe in the filter screen.

Further, a filter screen fixing skirt is arranged on the filter screen supporting tube, and a plurality of studs are fixedly arranged on the filter screen fixing skirt; the upper edge and the lower edge of the filter screen are fixedly connected with the filter screen fixing skirt by studs, nuts and a filter screen skirt pressing plate; a plurality of studs are arranged on the suction pipe in the filter screen; the middle part of the filter screen is fixedly connected with the inner suction pipe of the filter screen through a stud, a nut and a pressing plate of the inner suction pipe of the filter screen.

Furthermore, the bottom of the central tube is of a closed structure, the top of the central tube is provided with a rotary supporting mechanism, and the rotary supporting mechanism is used for being rotationally connected with the vacuum suction filter tube.

Furthermore, the rotary truss combination comprises a rotary truss, a truss center ring, an outer ring framework and travelling wheels; the rotary truss is in an umbrella rib shape, a truss center ring is fixedly arranged in the middle of the rotary truss, and an outer ring framework is fixedly arranged on the outer circle of the rotary truss; the lower part of the outer ring framework is fixedly provided with a travelling wheel, the travelling wheel comprises a driving travelling wheel and a driven travelling wheel, and the driving travelling wheel provides power for the rotary motion of the rotary truss combination; the truss center ring is arranged on the outer circular surface of the center pipe and used for being coaxially positioned with the centrifugal filtering device, the rotary truss is fixedly connected with the filter screen supporting pipe through a bolt, so that the rotary truss combination and the centrifugal filtering device are connected into a whole, and when the rotary truss combination does rotary motion, the centrifugal filtering device is driven to do rotary motion together.

Furthermore, the vacuum suction filter tube comprises a suction filter tube connecting flange and a suction filter tube extension tube; the suction filter tube extension tube is arranged in a tube cavity at the top of the central tube and is sealed by a sealing ring; the suction filter pipe connecting flange is fixedly connected with a rotary supporting mechanism at the top of the central pipe; when the centrifugal filter device rotates, the central tube also synchronously rotates, and the rotary support mechanism ensures the stability and the reliability of the rotary connection between the central tube and the vacuum suction filter tube.

Further, the solid waste pump is a spiral delivery pump, a pump port at the bottom of the solid waste pump is arranged at the lowest position of the filter tank, and the bottom of the solid waste pump is used for conveying the incompletely-reacted quartz sand at the lowest position of the filter tank to a waste solid recovery device.

Due to the adoption of the technical scheme, the invention has the following beneficial effects: the invention discloses a sodium silicate continuous production filtering device which comprises a filtering tank, a centrifugal filtering device, a rotary truss combination, a vacuum suction filtering pipe, a solid waste pump and an annular track, wherein the centrifugal filtering device is arranged on the filtering tank; the filtering tank is round and is arranged below the ground, and a filtering tank feeding hole is formed in the side edge of the filtering tank; the bottom of the filter tank is arranged obliquely, an annular tank edge is arranged above the ground, and an annular track is fixedly arranged at the top of the tank edge; a filter screen is fixedly arranged on the centrifugal filter device, and a central tube is fixedly arranged at the center of the centrifugal filter device; the centrifugal filtering device is rotationally arranged in the filtering tank; the rotary truss combination is fixedly arranged at the upper part of the centrifugal filter device, the lower part of the outer edge of the rotary truss combination is fixedly provided with a travelling wheel, and the travelling wheel is rotatably arranged on an annular track at the top of the edge of the filter tank; the vacuum suction filter tube is rotatably arranged at the upper part of the central tube; the solid waste pump is fixedly arranged on the side edge of the filtering tank; when the continuous production filtering device for sodium silicate works, a sodium silicate fluid is output from a reaction kettle to a filtering tank and then enters the filtering tank, a centrifugal filtering device rotates in the filtering tank at a set speed, the sodium silicate fluid flows through the outer surface of a filter screen at a certain speed, and under the action of vacuum negative pressure, a part of the sodium silicate fluid on the outer surface of the filter screen enters the inner side of the filter screen through filtering and is conveyed to a blending tank by a vacuum suction filter pipe; meanwhile, the quartz sand which is remained on the outer surface of the filter screen and is not completely reacted is washed to the edge of the filter tank under the flowing action of the sodium silicate fluid, and falls into the bottom of the filter tank through precipitation; under the action of the inclined surface at the bottom of the filtering tank, the water is finally collected at the lowest part of the filtering tank; the incompletely reacted quartz sand collected at the lowest part of the filter tank is input into a waste solid recovery device through a solid waste pump; the continuous production filtering device for sodium silicate solves the problems that the traditional plate frame suction filtering device needs to be cleaned regularly and the filtering tank needs to be cleaned regularly to remove deposited quartz sand, so that the continuity of sodium silicate filtration production is realized, the problem that the production workshop needs to be cleaned regularly in the prior art is solved, the workload of workers and the consumption of hot water are reduced, and the economic benefit is increased for enterprises; particularly, the continuous production filtering device for sodium silicate also greatly improves the environment of a production workshop and greatly improves the working conditions of operating personnel.

Drawings

FIG. 1 is a schematic view of the external appearance of a filtration apparatus for continuous production of sodium silicate;

FIG. 2 is a schematic cross-sectional view of a filtration apparatus for continuous production of sodium silicate;

FIG. 3 is a schematic external view of a centrifugal filter apparatus;

FIG. 4 is a schematic view of a filter screen fixing structure;

FIG. 5 is a schematic view of an external appearance of the combination of the revolving truss;

FIG. 6 is a schematic view of the vacuum suction filter tube.

In the figure: 1. a filtration tank; 1.1, a feed inlet of a filter tank; 2. a centrifugal filtration device; 2.1, an outer centrifuge tube; 2.2, an inner centrifuge tube, 2.3 and a filter screen supporting tube; 2.3.1, fixing a skirt edge by a filter screen; 2.4, a central tube; 2.4.1, a rotary supporting mechanism; 2.5, a central connecting pipe; 2.6, sucking a pipe in a filter screen; 2.6.1, inner suction filter tube holes; 2.7, a filter screen; 2.7.1, a filter screen skirt edge pressing plate; 2.7.2, a pipe pressing plate in the filter screen; 3. combining a rotary truss; 3.1, rotating the truss; 3.2, truss center rings; 3.3, an outer ring framework; 3.4, walking wheels; 4. a vacuum suction filter tube; 4.1, connecting a suction filter pipe with a flange; 4.2, extending a suction filter pipe; 5. a solid waste pump; 6. an annular track.

Detailed Description

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

A sodium silicate continuous production filter unit comprises a filter tank 1, a centrifugal filter unit 2, a rotary truss combination 3, a vacuum suction filter pipe 4, a solid waste pump 5 and an annular track 6; the filtering tank 1 is round and is arranged below the ground, and a filtering tank feeding port 1.1 is arranged on the side edge; the bottom of the filtering tank 1 is arranged obliquely, an annular tank edge is arranged above the ground, and an annular rail 6 is fixedly arranged at the top of the tank edge; a filter screen 2.7 is fixedly arranged on the centrifugal filter device 2, and a central tube 2.4 is fixedly arranged at the center of the centrifugal filter device; the centrifugal filtering device 2 is rotationally arranged in the filtering tank 1; the rotary truss combination 3 is fixedly arranged at the upper part of the centrifugal filter device 2, the lower part of the outer edge of the rotary truss combination is fixedly provided with a travelling wheel 3.4, and the travelling wheel 3.4 is rotatably arranged on an annular track 6 at the top of the edge of the filter tank 1; the vacuum suction filter tube 4 is rotatably arranged at the upper part of the central tube 2.4; the solid waste pump 5 is fixedly arranged on the side edge of the filtering tank 1;

the centrifugal filter device 2 comprises an outer centrifugal tube 2.1, an inner centrifugal tube 2.2, a filter screen supporting tube 2.3, a central tube 2.4, a central connecting tube 2.5, a filter screen inner suction tube 2.6 and a filter screen 2.7; the centrifugal tube 2.1 and the inner centrifugal tube 2.2 are fixedly connected through ten filter screen supporting tubes 2.3; the centrifugal tube 2.1, the inner centrifugal tube 2.2 and the filter screen supporting tube 2.3 are vertically arranged and fixedly connected through the suction tubes 2.6 in fifty filter screens; the inner centrifuge tube 2.2 is fixedly connected with a central tube (2.4) through eight central connecting tubes 2.5; the pipe wall of the filter screen inner suction pipe 2.6 is provided with a plurality of inner suction filter pipe holes 2.6.1 which are communicated with the pipe cavity of the central pipe 2.4 through the pipe cavities of the outer centrifugal pipe 2.1, the inner centrifugal pipe 2.2, the filter screen support pipe 2.3 and the central connecting pipe 2.5;

a filter screen fixing skirt edge 2.3.1 is arranged on the filter screen supporting tube 2.3, and eight studs are fixedly arranged on the filter screen fixing skirt edge 2.3.1; the upper edge and the lower edge of the filter screen 2.7 are fixedly connected with a filter screen fixing skirt edge 2.3.1 through studs, nuts and a filter screen skirt edge pressing plate 2.7.1; three studs are arranged on the inner suction pipe 2.6 of the filter screen; the middle part of the filter screen 2.7 is fixedly connected with an inner suction pipe 2.6 of the filter screen through a stud, a nut and an inner suction pipe pressing plate 2.7.2 of the filter screen;

the bottom of the central tube 2.4 is of a closed structure, and the top of the central tube is provided with a rotary supporting mechanism 2.4.1;

the rotary truss combination 3 comprises a rotary truss 3.1, a truss center ring 3.2, an outer ring framework 3.3 and a travelling wheel 3.4; the rotary truss 3.1 is in the shape of an umbrella rib, a truss center ring 3.2 is fixedly arranged in the middle of the rotary truss, and an outer ring framework 3.3 is fixedly arranged on the outer circle of the rotary truss; the lower part of the outer ring framework 3.3 is fixedly provided with a traveling wheel 3.4, and the traveling wheel 3.4 comprises two driving traveling wheels which are symmetrically arranged and four driven traveling wheels which are symmetrically arranged; the truss central ring 3.2 is arranged on the outer circular surface of the central tube 2.4, and the rotary truss 3.1 is fixedly connected with the filter screen support tube 2.3 through a bolt;

the vacuum suction filter pipe 4 comprises a suction filter pipe connecting flange 4.1 and a suction filter pipe extension pipe 4.2; the suction filter tube extension tube 4.2 is arranged in a tube cavity at the top of the central tube 2.4 and is sealed by a sealing ring; the suction filter pipe connecting flange 4.1 is fixedly connected with a rotary supporting mechanism 2.4.1 at the top of the central pipe 2.4;

the solid waste pump 5 is a spiral delivery pump, and a pump port at the bottom of the solid waste pump is arranged at the lowest position of the filter tank 1.

The present invention is not described in detail in the prior art.