CN215085508U

CN215085508U - Cyclone separation device for separating sewage and sludge in sewage treatment

Info

Publication number: CN215085508U
Application number: CN202121179257.XU
Authority: CN
Inventors: 崔凯; 吴科财
Original assignee: Henan Greenland Yuhong Environmental Protection Technology Co ltd
Current assignee: Henan Greenland Yuhong Environmental Protection Technology Co ltd
Priority date: 2021-05-29
Filing date: 2021-05-29
Publication date: 2021-12-10
Anticipated expiration: 2031-05-29

Abstract

The utility model provides a cyclone separation device for separating sewage and sludge in sewage treatment, which belongs to the technical field of sewage treatment and comprises a cyclone cylinder shell, wherein a liquid inlet pipe is arranged on one side of the cyclone cylinder shell along the tangential direction of the outer circumference of the cyclone cylinder shell, a spiral flow passage is arranged in the cyclone cylinder shell along the circumference of the inner wall of the cyclone cylinder shell, and the inlet end of the liquid inlet pipe is arranged corresponding to the upper end of the spiral flow passage; a liquid outlet pipe which extends into the cyclone cylinder shell and penetrates through the spiral flow channel in the axial direction of the inner diameter is arranged in the center of the upper end of the cyclone cylinder shell, and a filter cage is arranged at the lower end of the liquid outlet pipe; a valve is fixedly arranged at the liquid outlet end at the lower end of the shell of the cyclone cylinder. The utility model has compact structure, can effectively prevent large-particle sand stone from entering the liquid outlet pipe, and ensures the quality of clear liquid discharged from the liquid outlet pipe of the cyclone separation device; the retention time of the sewage-containing wastewater in the cyclone separation device is prolonged to a great extent, so that solid particles in the sewage-containing wastewater are fully separated and enriched.

Description

Cyclone separation device for separating sewage and sludge in sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to cyclone for sewage treatment sewage and mud separation.

Background

Techniques for separating sludge from sewage generally include flocculation, sedimentation, cyclonic separation, filtration separation, and the like. Particle size and separation efficiency are limiting factors for various separation systems. Flocculation and sedimentation techniques require settling ponds and longer settling times. Although the occupied area of the cyclone device is small, the conventional cyclone device has the problems of high energy consumption, unstable grading quality and the like. Although filtration separation can produce high quality separation, dirt is easily accumulated and needs to be cleaned in time.

A cyclone filter is a centrifugal separation device that is commonly used for the treatment of sewage or wastewater. The cyclone filter can separate solid matters such as gravel, dirt, mud, humus, plants and the like from water flow. The cyclone filter for water treatment can be used for purifying artificial water bodies and natural water bodies, such as river and lake water bodies, garden landscape water bodies, aquaculture water bodies, fountains, swimming pools, water parks and the like.

The filter with the cyclone device can separate sewage and sludge by centrifugal force forming cyclone between the inlet and the filter cartridge. However, due to the complicated content of impurities in the sewage, during the separation process of sludge in the sewage, the liquid outlet pipe of the cyclone separation device is easily blocked due to the particle size of impurities and fibrous impurities, and the separation effect of sludge in the sewage is unstable and difficult to control.

Disclosure of Invention

In view of the above, the utility model provides a cyclone separation device for separating sewage and sludge in sewage treatment, which has a compact structure, can effectively prevent large-particle sand and stone from entering a liquid outlet pipe, and ensures the quality of clear liquid discharged from the liquid outlet pipe of the cyclone separation device; in addition, the retention time of the sewage-containing wastewater in the cyclone separation device is prolonged to a great extent, so that solid particles in the sewage-containing wastewater are fully separated and enriched.

In order to solve the technical problem, the utility model provides a cyclone separation device for separating sewage from sludge in sewage treatment, which comprises a cyclone cylinder shell, wherein a liquid inlet pipe is arranged on one side of the cyclone cylinder shell along the tangential direction of the outer circumference of the cyclone cylinder shell, a spiral flow passage is arranged in the cyclone cylinder shell along the circumference of the inner wall of the cyclone cylinder shell, and the inlet end of the liquid inlet pipe is arranged corresponding to the upper end of the spiral flow passage;

a liquid outlet pipe which extends into the cyclone cylinder shell and penetrates through the spiral flow channel in the axial direction of the inner diameter is arranged in the center of the upper end of the cyclone cylinder shell, and a filter cage is arranged at the lower end of the liquid outlet pipe;

and a valve is fixedly arranged at the liquid outlet end at the lower end of the shell of the cyclone cylinder.

Further, the shell of the cyclone cylinder comprises a straight cylinder body arranged at the upper end and a conical cylinder body arranged at the lower end of the straight cylinder body, and the lower end of the conical cylinder body is connected with a connecting end pipe;

the valve is fixedly connected with the lower end of the connecting end pipe; the spiral flow channel is arranged along the inner circumference of the straight cylinder body along the axial direction;

the liquid inlet pipe is characterized in that a first mounting hole for mounting the liquid outlet pipe is formed in the center of the upper end of the straight cylinder body, and a second mounting hole for mounting the liquid inlet pipe is formed in one side of the upper end of the straight cylinder body.

Furthermore, the liquid outlet pipe comprises a net pipe and a first connecting flange piece fixedly arranged at the upper end of the net pipe, and a plurality of filtering holes are formed in the net pipe along the circumference of the axis.

Furthermore, the filter cage comprises an upper ring body and a lower ring body which are arranged up and down correspondingly, the diameter of the straight diameter of the upper ring body is the same as that of the lower end of the mesh tube, and the diameter of the lower ring body is smaller than that of the upper ring body; the upper ring body and the lower ring body are fixedly connected through a plurality of supporting connecting rods which are circumferentially arranged at equal intervals, and an inverted frustum shape is formed.

Further, the feed liquor pipe includes the feed liquor body, feed liquor body one end fixedly connected with second flange piece, feed liquor body other end forms the arc inlet tangent with the outer circumference of straight barrel.

Furthermore, a flow baffle plate bracket and a flow baffle plate fixedly arranged on the flow baffle plate bracket are correspondingly arranged at the lower part of the conical cylinder body and the upper end opening of the connecting end pipe, and a liquid flow channel is formed between the flow baffle plate and the conical cylinder body.

Further, the flow baffle plate bracket is a cross-shaped bracket; the flow baffle is a circular plate or a circular ring plate; the outer circumference or the center of the flow baffle forms a liquid flowing channel.

Furthermore, at least three support legs are arranged at the lower end of the shell of the cyclone cylinder at equal intervals in the circumferential direction, and the support legs are channel steel; and the lower ends of the support legs are provided with support leg base plates.

The above technical scheme of the utility model at least include following technological effect:

1. the utility model discloses a cyclone separation device, compact structure, dirty waste water flows along the spiral runner that its inside set up after entering cyclone shell through the feed liquor pipe and accelerates, under the flow velocity and centrifugal force effect, the mud large granule distributes in the fluid outside, collects gradually in the in-process of going down and obtains concentrating, and the clear liquid relative density is little in the spiral runner inboard and passes through the drain pipe, under the effect of continuous external dirty waste water, and the clear liquid discharges cyclone separation device from the drain pipe upper end gradually; in addition, the filter cage arranged at the lower end of the liquid outlet pipe can effectively prevent large-particle sand stones from entering the liquid outlet pipe, and the quality of clear liquid discharged from the liquid outlet pipe of the cyclone separation device is ensured; the device can prolong the retention time of the sewage-containing wastewater in the cyclone separation device to a great extent, so that solid particles in the sewage-containing wastewater are fully separated and enriched;

2. the utility model discloses keep off flow plate structure among cyclone separation device can effectual realization carry out effectual retardation to sewage among the cyclone separation device, can filter the separation to the solid particle that gets into in the sewage of cyclone separation device, avoids containing dirty waste water dwell time too short in cyclone separation device, contains dirty waste water and can not obtain effectual separation, can not reach the separation effect of mud in the sewage.

Drawings

FIG. 1 is an axial sectional view of a cyclone separation device according to an embodiment of the present invention;

FIG. 2 is a top view of a cyclone separation apparatus according to an embodiment of the present invention;

FIG. 3 is an axial sectional view of a drain pipe according to an embodiment of the present invention;

FIG. 4 is an axial sectional view of the housing of the cyclone cartridge in accordance with the embodiment of the present invention;

FIG. 5 is an axial sectional view of a liquid inlet pipe according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a filter cage according to an embodiment of the present invention ((1) an axial front view, (2) a radial top view);

fig. 7 is a schematic view showing an installation state of the flow baffle plate and the flow baffle plate support according to the embodiment of the present invention ((1) a top view of the flow baffle plate, (2) a top view of the flow baffle plate support, and (3) a top view of the flow baffle plate and the flow baffle plate.

Reference numerals:

100. a cyclonic separation device; 1. a liquid outlet pipe; 101. a first connecting flange piece; 102. network management; 103. a filtration pore; 2. a cyclone cylinder housing; 201. a straight cylinder body; 202. a conical cylinder; 203. connecting end pipes; 204. a first mounting hole; 205. a second mounting hole; 3. a liquid inlet pipe; 301. a liquid inlet pipe body; 302. a second connecting flange piece; 303. an arc-shaped liquid inlet; 4. a spiral flow channel; 5. a filter cage; 501. an upper ring body; 502. a lower ring body; 503. a support link; 6. a flow baffle plate; 7. a baffle plate bracket; 8. a support leg; 9. a valve; 10. a foot rest.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

As shown in fig. 1-7: a cyclone separation device for separating sewage and sludge in sewage treatment comprises a cyclone cylinder shell 2, wherein a liquid inlet pipe 3 is arranged on one side of the cyclone cylinder shell 2 along the tangential direction of the outer circumference of the cyclone cylinder shell, a spiral flow passage 4 is arranged in the cyclone cylinder shell 2 along the circumference of the inner wall of the cyclone cylinder shell, and the inlet end of the liquid inlet pipe 3 is arranged corresponding to the upper end of the spiral flow passage 4; a liquid outlet pipe 1 which extends into the cyclone cylinder shell and penetrates through the spiral flow channel in the axial direction of the inner diameter is arranged in the center of the upper end of the cyclone cylinder shell 2, and a filter cage 5 is arranged at the lower end of the liquid outlet pipe 1; a valve 9 is fixedly arranged at the liquid outlet end of the lower end of the cyclone cylinder shell 2.

Particularly, the utility model discloses a cyclone separation device, compact structure, dirty waste water flows along the spiral runner that its inside set up after entering cyclone shell through the feed liquor pipe and accelerates, under flow velocity and centrifugal force effect, and mud large granule distributes in the fluid outside, collects gradually in the in-process of going down and obtains the concentration, and the clear liquid relative density is little to be in the spiral runner inboard through the drain pipe, under continuous external dirty waste water effect, and the clear liquid is gradually discharged cyclone separation device from the drain pipe upper end; in addition, the filter cage arranged at the lower end of the liquid outlet pipe can effectively prevent large-particle sand stones from entering the liquid outlet pipe, and the quality of clear liquid discharged from the liquid outlet pipe of the cyclone separation device is ensured; the device can prolong the retention time of the sewage-containing wastewater in the cyclone separation device to a great extent, so that solid particles in the sewage-containing wastewater are sufficiently separated and enriched.

Specifically, as shown in fig. 4, the cyclone casing 2 includes a straight cylinder 201 provided at an upper end and a tapered cylinder 202 provided at a lower end of the straight cylinder, and a connection end pipe 203 is connected to a lower end of the tapered cylinder 202; the valve 9 is fixedly connected with the lower end of the connecting end pipe 203; the spiral flow passage 4 is arranged along the inner circumference of the straight cylinder body along the axial direction; a first mounting hole 204 for mounting a liquid outlet pipe is formed in the center of the upper end of the straight cylinder body 201, and a second mounting hole 205 for mounting a liquid inlet pipe is formed in one side of the upper end of the straight cylinder body.

Specifically, as shown in fig. 3, the liquid outlet pipe 1 includes a net pipe 102 and a first connecting flange sheet 101 fixedly disposed at an upper end of the net pipe, and the net pipe 102 is provided with a plurality of filtering holes 103 along an axial circumference. In the embodiment, the spiral flow channel is arranged along the outer circumference of the mesh tube, so that the liquid-solid separation of sewage and sludge can be well realized when the sewage-containing wastewater flows along the outer circumference of the mesh tube.

Specifically, as shown in fig. 6, the filter cage 5 includes an upper ring body 501 and a lower ring body 502 which are arranged up and down correspondingly, the diameter of the upper ring body 501 is the same as the diameter of the lower end of the mesh tube, and the diameter of the lower ring body 502 is smaller than that of the upper ring body 501; the upper ring body and the lower ring body are fixedly connected through a plurality of supporting connecting rods 503 which are circumferentially arranged at equal intervals and form an inverted frustum shape. In this embodiment, filter the cage mainly used and filter large granule miscellaneous affairs or fibrous material, avoid this type of debris come-up, influence the separation quality of mud sewage.

Specifically, as shown in fig. 5, the liquid inlet pipe 3 includes a liquid inlet pipe body 301, one end of the liquid inlet pipe body 301 is fixedly connected with a second connecting flange sheet 302, and the other end of the liquid inlet pipe body 301 forms an arc-shaped liquid inlet 303 tangent to the outer circumference of the straight cylinder 201.

According to an embodiment of the present invention, as shown in fig. 1 and 7, the lower portion of the conical cylinder 202 and the upper port of the connecting end pipe 203 are correspondingly provided with a flow baffle plate support 7 and a flow baffle plate 6 fixedly arranged on the flow baffle plate support, and a fluid flow channel is formed between the flow baffle plate 6 and the conical cylinder. In this embodiment, the baffle plate structure that this kind of set up can carry out filtering separation to the solid particle in the sewage that gets into in the cyclone separation device, avoids dirty waste water dwell time too short in the cyclone separation device, and dirty waste water can not obtain effectual separation, can not reach the separation effect of mud in the sewage.

Specifically, as shown in fig. 7, the baffle plate holder 7 is a cross-shaped holder; the flow baffle 6 is a circular plate or a circular ring plate; the outer circumference or the center of the baffle plate forms a liquid flow passage. In this embodiment, the fender of this kind of structure flows board and fender and flows the board support and can effectually realize carrying out effectual retardation to sewage among the cyclone separator, is favorable to improving mud separation in the sewage.

According to another embodiment of the present invention, as shown in fig. 1, based on the above embodiment, at least three support legs 8 are provided at equal intervals in the circumferential direction at the lower end of the housing of the cyclone cylinder, the included angle between two adjacent support legs is 120 °, and the support legs 8 are channel steel; the lower ends of the legs are provided with leg pads 10. In this embodiment, this kind of cyclone separation device that sets up can be stable places, can improve cyclone separation device operation in-process stability.

The utility model discloses a working method or theory of operation:

the cyclone separation device provided by the embodiment of the utility model has the advantages that the sewage-containing wastewater enters the cyclone cylinder shell through the liquid inlet pipe and then flows along the spiral flow channel arranged in the cyclone cylinder shell to be accelerated, large sludge particles are distributed outside the fluid under the action of flow speed and centrifugal force, and are gradually collected to be concentrated in the descending process, the relative density of clear liquid is small and is positioned at the inner side of the spiral flow channel to pass through the liquid outlet pipe, and the clear liquid is gradually discharged out of the cyclone separation device from the upper end of the liquid outlet pipe under the continuous external sewage-containing wastewater action; in addition, the filter cage arranged at the lower end of the liquid outlet pipe can effectively prevent large-particle sand stones from entering the liquid outlet pipe, and the quality of clear liquid discharged from the liquid outlet pipe of the cyclone separation device is ensured; the flow baffle assembly arranged at the lower part of the conical cylinder body can prolong the retention time of the sewage-containing wastewater in the cyclone separation device to a great extent, so that solid particles in the sewage-containing wastewater are sufficiently separated and enriched.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a hydrocyclone separation device for sewage treatment sewage and mud separation which characterized in that: the cyclone separation device (100) comprises a cyclone cylinder shell (2), a liquid inlet pipe (3) is arranged on one side of the cyclone cylinder shell (2) along the tangential direction of the outer circumference of the cyclone cylinder shell, a spiral flow channel (4) is arranged in the cyclone cylinder shell (2) along the circumference of the inner wall of the cyclone cylinder shell, and the inlet end of the liquid inlet pipe (3) is arranged corresponding to the upper end of the spiral flow channel (4);

a liquid outlet pipe (1) which extends into the cyclone cylinder shell and penetrates through the spiral flow channel in the axial direction of the inner diameter is arranged in the center of the upper end of the cyclone cylinder shell (2), and a filter cage (5) is arranged at the lower end of the liquid outlet pipe (1);

and a valve (9) is fixedly arranged at the liquid outlet end at the lower end of the cyclone cylinder shell (2).

2. A cyclonic separation apparatus for separating sewage from sludge as claimed in claim 1, wherein: the cyclone cylinder shell (2) comprises a straight cylinder body (201) arranged at the upper end and a conical cylinder body (202) arranged at the lower end of the straight cylinder body, and the lower end of the conical cylinder body (202) is connected with a connecting end pipe (203);

the valve (9) is fixedly connected with the lower end of the connecting end pipe (203); the spiral flow passage (4) is arranged along the inner circumference of the straight cylinder body along the axial direction;

the liquid inlet pipe is characterized in that a first mounting hole (204) used for mounting the liquid outlet pipe is formed in the center of the upper end of the straight cylinder body (201), and a second mounting hole (205) used for mounting the liquid inlet pipe is formed in one side of the upper end of the straight cylinder body.

3. A cyclone separator for separating sewage from sludge in sewage treatment according to claim 2, wherein: the liquid outlet pipe (1) comprises a net pipe (102) and a first connecting flange piece (101) fixedly arranged at the upper end of the net pipe, and the net pipe (102) is provided with a plurality of filter holes (103) along the circumference of the axis.

4. A cyclonic separation apparatus for separating sewage from sludge as claimed in claim 3, wherein: the filter cage (5) comprises an upper ring body (501) and a lower ring body (502) which are arranged up and down correspondingly, the diameter of the straight channel of the upper ring body (501) is the same as that of the lower end of the mesh pipe, and the diameter of the lower ring body (502) is smaller than that of the upper ring body (501); the upper ring body and the lower ring body are fixedly connected through a plurality of supporting connecting rods (503) which are circumferentially arranged at equal intervals, and an inverted frustum shape is formed.

5. A cyclone separator for separating sewage from sludge in sewage treatment according to claim 2, wherein: feed liquor pipe (3) are including feed liquor body (301), feed liquor body (301) one end fixedly connected with second flange piece (302), feed liquor body (301) other end forms arc inlet (303) tangent with outer circumference of straight barrel (201).

6. A cyclone separator for separating sewage from sludge in sewage treatment according to claim 2, wherein: the lower part of the conical cylinder body (202) and the upper port of the connecting end pipe (203) are correspondingly provided with a flow baffle plate bracket (7) and a flow baffle plate (6) fixedly arranged on the flow baffle plate bracket, and a liquid flow channel is formed between the flow baffle plate (6) and the conical cylinder body.

7. A cyclone separation apparatus for separating sewage from sludge in sewage treatment according to claim 6, wherein: the flow baffle plate bracket (7) is a cross-shaped bracket; the flow baffle (6) is a circular plate or a circular ring plate; the outer circumference or the center of the flow baffle forms a liquid flowing channel.

8. A cyclone separation apparatus for separating sewage from sludge in sewage treatment according to any one of claims 1 to 7, wherein: at least three support legs (8) are arranged at the lower end of the cyclone cylinder shell in the circumferential direction at equal intervals, and the support legs (8) are channel steel; the lower ends of the support legs are provided with support leg base plates (10).