Sewage grading separation treatment device

Abstract

The utility model discloses a sewage grading separation treatment device, which relates to the technical field of sewage treatment, aims to solve the technical problem that the separation effect of the current cyclone is not ideal enough, and comprises a conical shell, and a desilting port is arranged at the bottom end of the conical shell. The overflow cavity of the overflow pipe adopts the design of the circular truncated cone shape, the small head faces upwards, the large head faces downwards, then the flow guide structure is arranged in the overflow cavity, and the flow guide structure can conduct spiral flow guide on mixed liquid entering the overflow cavity, guide the flowing direction of overflow liquid, reduce turbulent flow, improve the overflow quality and enable the overflow liquid to generate centrifugal force. And when the mixed liquid enters the overflow cavity and then flows towards the outlet, the flow speed of the fluid is increased along with the gradual reduction of the pipe diameter of the overflow cavity, then the centrifugal force is enhanced, the fine particle materials are more easily thrown to the outer wall of the overflow pipe, and the fine particle materials are intercepted in the cyclone as much as possible under the action of gravity and the centrifugal force, so that the possibility of being discharged along with the overflow liquid is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field more specifically, relate to a sewage grading separation treatment device. BACKGROUND

[0002] Sewage treatment: for making sewage reach the water quality requirement of discharge into a water body or reuse, the process that carries out purification to it, sewage treatment is widely used in building, agriculture, traffic, energy, petrochemical, environmental protection, city landscape, medical treatment, catering and so on each field, also more and more walks into the daily life of ordinary people, in sewage treatment, sewage grading treatment is a common way, in this process, need to use sewage grading separation treatment device, namely cyclone.

[0003] The existing cyclone when using, for the fine particle material in sewage, since its overflow pipe is usually straight pipe, when overflow, turbulence will occur, thereby fine particle material will be discharged with overflow liquid, cause the separation effect of equipment to mixed liquid not enough ideal, in view of this, we propose a sewage grading separation treatment device. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the insufficient of prior art, adapting to the reality needs, provide a sewage grading separation treatment device, to solve the technical problem of current cyclone separation effect not enough ideal.

[0005] To solve the above technical problem, the utility model provides the following technical scheme: a sewage grading separation treatment device, including conical shell, the conical shell bottom end is arranged with sand trap, the conical shell top one side is arranged with feeding pipe, the conical shell top central part is arranged with overflow pipe, the overflow pipe is provided with overflow cavity, and overflow cavity is in the shape of circular platform with big end down and small end up, the inside of overflow cavity is arranged with flow guide structure;

[0006] The overflow pipe penetrates the top end of conical shell and is arranged with filter material structure.

[0007] The overflow cavity of the overflow pipe is designed in a circular table shape, and the small end faces upwards and the large end faces downwards, then a flow guide structure is arranged inside the overflow cavity, the flow guide structure can perform spiral flow guide on the mixed liquid entering the inside of the overflow cavity, guide the flow direction of the overflow liquid, reduce turbulence, improve overflow quality, make the mixed liquid generate centrifugal force, and as the mixed liquid enters the overflow cavity and then flows towards the outlet, the pipe diameter of the overflow cavity is gradually reduced, the flow rate of the fluid is accelerated, then the centrifugal force is enhanced, and fine particle materials are more easily thrown to the outer wall of the overflow pipe, and under the action of gravity and centrifugal force, the fine particle materials are as much as possible to be trapped in the cyclone, and the possibility of being discharged with the overflow liquid is reduced, which not only improves the purity of the overflow liquid, but also improves the separation efficiency of the whole cyclone, so that the equipment can more efficiently process the mixed liquid; the filter structure is arranged, when the mixed liquid is discharged from the overflow pipe, the filter structure is passed, at this time, a small part of fine particle materials in the mixed liquid which are not separated will pass through the filter seat, then the fine particle materials will enter the inner cavity through the opening under the action of centrifugal force, then the fine particle materials and part of the mixed liquid will be concentrated and collected through the material collecting sleeve, and then re-enter the cyclone through the return pipe for continuous processing, so that the fine particle materials in the mixed liquid can be greatly eliminated, and the separation effect of the mixed liquid is further improved.

[0008] Preferably, the overflow pipe bottom end is arranged with a mounting cover, and the mounting cover is funnel-shaped.

[0009] Preferably, the flow guide structure is composed of four groups of spiral flow guide plates, the four groups of spiral flow guide plates are arranged in a circle, and the diameters of the four groups of spiral flow guide plates gradually decrease from bottom to top.

[0010] Preferably, the filter structure comprises a filter seat, a material collecting sleeve and a return pipe, the filter seat is arranged at the top end of the overflow pipe, the material collecting sleeve is arranged at the bottom of the filter seat, the return pipe is arranged at one side of the material collecting sleeve, and the return pipe penetrates into the inside of the conical shell.

[0011] Preferably, the inside of the filter seat is arranged with an inner cavity, the inner side wall of the inner cavity is arranged with a circular table-shaped material guide seat, the center of the filter seat is arranged with a circular hole, the top of the inner wall of the circular hole is arranged with an opening, the circular hole is communicated with the inner cavity through the opening, and the top of the filter seat is arranged with an overflow port.

[0012] Preferably, the material collecting sleeve is circular, the material collecting sleeve is communicated with the inner cavity, the bottom of the material collecting sleeve is inclined, and the lowest part of the material collecting sleeve is arranged with a material collecting shell.

[0013] Preferably, the return pipe is a straight pipe section and an inclined pipe section, the top end of the straight pipe section is communicated with the material collecting shell, and the inclined pipe section is arranged at the bottom end of the straight pipe section.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、The overflow cavity of the overflow pipe adopts a circular truncated cone design, with the small end facing upwards and the large end facing downwards, and a flow guide structure is arranged inside the overflow cavity, which can spiral guide the mixed liquid entering the inside of the overflow cavity, guide the flow direction of the overflow liquid, reduce turbulence, improve the overflow quality, generate centrifugal force, and as the mixed liquid enters the overflow cavity and then flows towards the outlet, the pipe diameter of the overflow cavity gradually decreases, the fluid flow rate is accelerated, then the centrifugal force is enhanced, and fine particle materials are more easily thrown to the outer wall of the overflow pipe, and under the action of gravity and centrifugal force, are as much as possible trapped in the cyclone, reducing the possibility of being discharged with the overflow liquid, which not only improves the purity of the overflow liquid, but also improves the separation efficiency of the entire cyclone, so that the device can more efficiently process the mixed liquid, solving the technical problem that the separation effect of the current cyclone is not ideal, and the utility model has the advantages of better mixed liquid separation effect.

[0016] 2、The filter structure is arranged, and when the mixed liquid is discharged from the overflow pipe, it will pass through the filter structure, at this time, a small part of fine particle materials in the mixed liquid that have not been separated will pass through the filter seat, then the fine particle materials will enter the inner cavity through the opening under the action of centrifugal force, then the fine particle materials and part of the mixed liquid will be concentrated and collected through the material collecting sleeve, and then re-enter the cyclone through the return pipe for continuous treatment, so that the residual fine particle materials in the mixed liquid can be eliminated to the greatest extent, and the separation effect of the mixed liquid is further improved. BRIEF DESCRIPTION OF DRAWINGS

[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 cross-sectional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the overflow pipe of the utility model;

[0020] Figure 4 It is a schematic diagram of the flow guide structure structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the filter structure of the utility model.

[0022] Explanation of reference numerals in the drawings:

[0023] 1, conical shell; 2, sand trap; 3, feeding pipe; 4, overflow pipe; 401, overflow cavity; 402, mounting cover; 5, flow guide structure; 501, spiral flow guide plate; 6, filter material seat; 601, inner cavity; 602, circular hole; 603, opening; 604, material guide seat; 605, overflow port; 7, material collecting sleeve; 701, material collecting shell; 8, return pipe; 801, straight pipe section; 802, inclined pipe section; 9, filter material structure. DETAILED DESCRIPTION

[0024] As Figures 1 to 5 shown, the utility model relates to a kind of sewage separation treatment device, including conical shell 1, sand trap 2 is arranged at the bottom end of conical shell 1, feeding pipe 3 is arranged at the top of conical shell 1 one side, overflow pipe 4 is arranged at the top center of conical shell 1, overflow cavity 401 is provided in overflow pipe 4, and overflow cavity 401 is in the shape of circular truncated cone with big end down and small end up, flow guide structure 5 is arranged inside overflow cavity 401;Flow guide structure 5 is composed of four groups of spiral flow guide plates 501, four groups of spiral flow guide plates 501 are arranged in a circle, and the diameter of the circle formed by four groups of spiral flow guide plates 501 decreases gradually from bottom to top;

[0025] When sewage is separated and treated, sewage enters the inside of conical shell 1 from feeding pipe 3, then presents centrifugal motion in conical shell 1, then sewage and coarse granular material are discharged from sand trap 2, then mixed liquid enters overflow pipe 4, and then is discharged, so as to realize the separation treatment of sewage.

[0026] When mixed liquid enters the inside of overflow cavity 401, four groups of spiral flow guide plates 501 of flow guide structure 5 can guide the flow of mixed liquid, guide the flow direction of overflow liquid, reduce turbulence, improve overflow quality, make it generate centrifugal force, and as mixed liquid enters overflow cavity 401 and then flows to outlet, the pipe diameter of overflow cavity 401 gradually reduces, so as to accelerate the flow rate of fluid, then enhance centrifugal force, and coarse granular material is more easily thrown to the outer wall of overflow pipe 4, and under the action of gravity and centrifugal force, it is intercepted in cyclone as much as possible, so as to reduce the possibility of being discharged with overflow liquid, which not only improves the purity of overflow liquid, but also improves the separation efficiency of entire cyclone, so that equipment can more efficiently treat mixed liquid.

[0027] Specifically, mounting cover 402 is arranged at the bottom end of overflow pipe 4, and mounting cover 402 is in the shape of funnel.

[0028] In the embodiment of the utility model, the overflow pipe 4 is arranged with the filter material structure 9 through the top end of the conical shell 1, the filter material structure 9 includes filter material seat 6, material collecting sleeve 7 and return pipe 8, the filter material seat 6 is arranged at the top end of the overflow pipe 4, the material collecting sleeve 7 is arranged at the bottom of the filter material seat 6, the return pipe 8 is arranged at one side of the material collecting sleeve 7, and the return pipe 8 penetrates to the inside of the conical shell 1, the inside of the filter material seat 6 is arranged with inner cavity 601, the inner cavity 601 is arranged with circular table guide seat 604 on the inner side wall, the center of the filter material seat 6 is arranged with round hole 602, the top of the inner wall of the round hole 602 is arranged with opening 603, the round hole 602 is communicated with the inner cavity 601 through the opening 603, and the top of the filter material seat 6 is arranged with overflow port 605, the material collecting sleeve 7 is circular, the material collecting sleeve 7 is communicated with the inner cavity 601, the bottom of the material collecting sleeve 7 is inclined, and the lowest part of the material collecting sleeve 7 is arranged with material collecting shell 701, the return pipe 8 is respectively straight pipe section 801 and inclined pipe section 802, the top end of the straight pipe section 801 is communicated with the material collecting shell 701, and the inclined pipe section 802 is arranged at the bottom end of the straight pipe section 801.

[0029] When the mixed liquid is discharged from the overflow pipe 4, a small part of fine particle material separated in the mixed liquid can pass through the round hole 602 of the filter material seat 6 and then be discharged from the overflow port 605, when the mixed liquid passes through the round hole 602, the fine particle material is guided into the inner cavity 601 through the opening 603 under the action of centrifugal force, and under the cooperation of the circular table guide seat 604, the fine particle material and part of the mixed liquid fall into the material collecting sleeve 7, and under the inclined guide of the material collecting sleeve 7, the fine particle material and part of the mixed liquid flow to the material collecting shell 701, then enter the straight pipe section 801 of the return pipe 8, and finally are inclinedly guided into the cyclone through the inclined pipe section 802 of the return pipe 8 for continuous treatment, so that the fine particle material remaining in the mixed liquid can be greatly eliminated, and the separation effect of the mixed liquid is further improved.

[0030] Working principle: the embodiment provides a sewage grading separation treatment device, first, when sewage is subjected to grading separation treatment, the sewage enters the inside of the conical shell 1 from the feeding pipe 3, then is subjected to centrifugal motion in the conical shell 1, then the sewage and coarse particle material are discharged from the sand outlet 2, then the mixed liquid enters the overflow pipe 4, and then is discharged, so that the grading separation treatment of the sewage is realized.

[0031] Secondly, when the mixed liquid enters the inside of the overflow cavity 401, the four groups of spiral flow guide plates 501 of the flow guide structure 5 can spiral guide the mixed liquid, guide the flow direction of the overflow liquid, reduce turbulence, improve the overflow quality, make it generate centrifugal force, and as the mixed liquid enters the overflow cavity 401 and then flows to the outlet, as the pipe diameter of the overflow cavity 401 gradually reduces, the fluid flow rate is accelerated, then the centrifugal force is enhanced, and the fine particle material is more easily thrown to the outer wall of the overflow pipe 4, and under the action of gravity and centrifugal force, it is trapped in the cyclone as much as possible, reducing the possibility of being discharged with the overflow liquid, which not only improves the purity of the overflow liquid, but also improves the separation efficiency of the whole cyclone, so that the equipment can more efficiently process the mixed liquid.

[0032] Finally, when the mixed liquid is discharged from the overflow pipe 4, a small part of fine particle material in the mixed liquid that is not separated will pass through the round hole 602 of the filter material seat 6 and then be discharged from the overflow port 605. When the mixed liquid passes through the round hole 602, the fine particle material will enter the inner cavity 601 through the opening 603 under the action of centrifugal force, and under the cooperation of the circular table-shaped material guide seat 604, the fine particle material and part of the mixed liquid will fall into the material collecting sleeve 7, and under the inclined guide of the material collecting sleeve 7, the fine particle material and part of the mixed liquid will flow to the material collecting shell 701, then enter the straight pipe section 801 of the return pipe 8, and finally be introduced into the cyclone for continuous processing through the inclined pipe section 802 of the return pipe 8, so that the fine particle material in the mixed liquid can be eliminated to a great extent, and the separation effect of the mixed liquid is further improved.

[0033] The embodiments of the utility model discloses are better embodiments, but are not limited to this, and the ordinary skilled in the art, easily understand the spirit of the utility model according to the above-mentioned embodiments, and make different inferences and changes, but as long as do not depart from the spirit of the utility model, are all within the protection scope of the utility model.

Claims

1. A sewage fractional separation treatment device, characterized by, The application relates to a sand sifting device, which comprises a conical shell (1), a sand sifting opening (2) arranged at the bottom end of the conical shell (1), a feeding pipe (3) arranged at one side of the top of the conical shell (1), an overflow pipe (4) arranged at the center of the top of the conical shell (1), an overflow cavity (401) arranged in the overflow pipe (4), wherein the overflow cavity (401) is in the shape of a circular truncated cone with the large end downward and the small end upward, and a flow guide structure (5) arranged in the overflow cavity (401). The overflow pipe (4) is provided with a filter structure (9) penetrating through the top end of the conical shell (1).

2. A sewage fractional separation treatment device according to claim 1, characterized in that, The bottom end of the overflow pipe (4) is provided with a mounting cover (402) in the shape of a funnel.

3. The apparatus according to claim 1, wherein The flow guide structure (5) is composed of four groups of spiral flow guide plates (501) arranged in a circle, and the diameters of the circles formed by the four groups of spiral flow guide plates (501) decrease in sequence from bottom to top.

4. The apparatus of claim 1, wherein, The filter structure (9) comprises a filter seat (6), a material collecting sleeve (7) and a return pipe (8), the filter seat (6) is arranged at the top end of the overflow pipe (4), the material collecting sleeve (7) is arranged at the bottom of the filter seat (6), the return pipe (8) is arranged at one side of the material collecting sleeve (7), and the return pipe (8) penetrates into the conical shell (1).

5. A sewage fractional separation treatment device according to claim 4, characterized in that, The filter seat (6) is internally provided with an inner cavity (601), the inner side wall of the inner cavity (601) is provided with a circular truncated cone-shaped material guide seat (604), the center of the filter seat (6) is provided with a circular hole (602), the inner wall of the circular hole (602) is provided with an opening (603) at the top, the circular hole (602) is communicated with the inner cavity (601) through the opening (603), and the top of the filter seat (6) is provided with an overflow port (605).

6. A sewage fractional separation treatment device according to claim 5, characterized in that, The material collecting sleeve (7) is circular, the material collecting sleeve (7) is communicated with the inner cavity (601), the bottom of the material collecting sleeve (7) is inclined, and the lowest part of the material collecting sleeve (7) is provided with a material collecting shell (701).

7. A sewage fractional separation treatment device according to claim 6, characterized in that, The return pipe (8) is respectively a straight pipe section (801) and an inclined pipe section (802), the top end of the straight pipe section (801) is communicated with the material collecting shell (701), and the inclined pipe section (802) is arranged at the bottom end of the straight pipe section (801).

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