CN215886588U

CN215886588U - Cyclone separator for treating initial rainwater

Info

Publication number: CN215886588U
Application number: CN202122530996.5U
Authority: CN
Inventors: 黎迪; 眭利峰
Original assignee: Dinglan Water Group Co ltd
Current assignee: Dinglan Water Group Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-02-22
Anticipated expiration: 2031-10-20

Abstract

The utility model relates to a cyclone for handling initial stage rainwater in municipal rainwater processing technology field, it includes the shaft and is located the overflow weir of shaft one side, it is provided with a vertical layout's body to be located the shaft bottom in the shaft, an annular grid has been installed at the body top, body and annular grid separate the shaft for interior process chamber and outer process chamber, be provided with an overflow platform in the overflow weir, the overflow platform separates the overflow weir for intake antrum and overflow chamber, it is equipped with a rivers entry to correspond the intake antrum on the overflow weir, it is equipped with an overflow export to correspond the overflow chamber on the overflow weir, the intake direction that is equipped with a water inlet and water inlet that communicate with outer process chamber and intake antrum jointly on shaft and the overflow weir arranges along the tangential of annular grid, be connected with an outlet pipe on the body, the other end communicates with overflow chamber. This application has improved the collection efficiency to debris such as suspended solid, solid particle in the initial stage rainwater.

Description

Cyclone separator for treating initial rainwater

Technical Field

The application relates to the technical field of municipal rainwater treatment, in particular to a cyclone separator for treating initial rainwater.

Background

The initial rainwater, namely the rainwater at the initial stage of rainfall, impurities on the ground easily flow to a sewer along with the scouring of the initial rainwater, and the initial rainwater dissolves a large amount of acid gases, automobile exhaust, factory waste gas and other polluting gases in the air, so that the initial rainwater has the characteristics of high concentration, high flow, high pollution impact, serious water pollution, increased treatment burden of a sewage treatment plant and the like.

Most of the existing devices for treating initial rainwater are provided with an annular grid and the like at a sewer inlet to prevent sundries from blocking a sewer, but the mode causes the sundries to influence the circulation of rainwater, and the rainwater and the sundries cannot be separately collected.

SUMMERY OF THE UTILITY MODEL

In order to improve the collection efficiency to debris such as suspended solid, solid particle in the initial stage rainwater, this application provides a hydrocyclone for handling initial stage rainwater.

The application provides a cyclone for handling initial stage rainwater adopts following technical scheme:

the utility model provides a hydrocyclone for handling initial stage rainwater, including the shaft and the overflow weir that is located shaft one side, it is provided with a vertical arrangement's body to lie in the shaft bottom in the shaft, an annular grid has been installed at the body top, body and annular grid separate the shaft for interior process chamber and outer process chamber, be provided with an overflow platform in the overflow weir, the overflow platform separates the overflow weir for intake antrum and overflow chamber, it is equipped with a rivers entry to correspond the intake antrum on the overflow weir, it is equipped with an overflow outlet to correspond the overflow chamber on the overflow weir, be equipped with a water inlet and the water inlet's of outer process chamber and intake antrum intercommunication on shaft and the overflow weir direction of intaking along the tangential of annular grid arrange jointly, be connected with an outlet pipe on the body, the outlet pipe other end and overflow chamber intercommunication.

Through adopting above-mentioned technical scheme, when the rainwater falls subaerial, the rainwater will flow into the intake antrum through rivers entry, and flow into in the outer treatment chamber through the water inlet, then under the filtration of annular grid, debris and rainwater will be separated, later debris will be continuous in the outer treatment chamber accumulation, and the rainwater after the filtration then can flow to the overflow chamber through body and outlet pipe, then the rainwater in the overflow intracavity is again in water conservancy facilities such as sewer or river course are arranged into through the overflow export, the realization is collected separately rainwater and debris, the circulation rate of reinforcing rainwater, thereby improve the collection efficiency to debris such as suspended solid particle in the initial stage rainwater.

Optionally, a partition plate for plugging or opening the communication between the water flow inlet and the water inlet is arranged in the water inlet cavity.

Through adopting above-mentioned technical scheme, when the debris in the outer treatment chamber is more, the staff can establish the baffle card and carry out the shutoff between rivers entry and the water inlet in the intake antrum, and later the staff can clear up the debris in the outer treatment chamber of shaft, reduces the clearance degree of difficulty, improves the cleaning efficiency of debris.

Optionally, a supporting plate for abutting against the overflow table is fixed on one side of the partition plate facing the overflow table.

Through adopting above-mentioned technical scheme, the setting of backup pad for the rainwater reduces the baffle because of the possibility of compression deformation when assaulting the baffle, thereby has improved the life of baffle.

Optionally, a seat plate is further fixed to one side of the supporting plate facing the overflow table, and the seat plate is perpendicular to the supporting plate and parallel to and abutted against the corresponding side wall of the overflow table.

Through adopting above-mentioned technical scheme, the bedplate has increased the lifting surface area between baffle and the overflow platform to the auxiliary stay of backup pad and baffle for the backup pad is more even to the support effort distribution of baffle, further improvement the protection to the baffle.

Optionally, an annular baffle is arranged at one end of the annular grating, which is far away from the pipe body, and the height of the annular baffle, which is far away from one end of the annular grating, is not lower than the height of the water inlet and the overflow outlet.

Through adopting above-mentioned technical scheme, the staff of not only being convenient for promotes the annular grating, also can play the effect of preventing flowing backward to the annular grating top moreover by the arrangement of annular baffle.

Optionally, one end of the annular baffle, which faces away from the annular grating, is sealed.

Through adopting above-mentioned technical scheme, the setting that annular baffle deviates from annular grid one end and seals, further the reduction outer the interior unfiltered water of treatment chamber enter into the possibility of handling in the chamber.

Optionally, a single plate for collecting the suspended matter is installed at one end, close to the pipe body, of the annular grating.

By adopting the technical scheme, the arrangement of the single plates enables suspended matters to be collected on the single plates, the difficulty of fishing up sundries from the bottom of the outer treatment chamber by workers is reduced, and the cleaning efficiency of the workers on the sundries in the outer treatment chamber is improved.

Optionally, a ladder stand is arranged in the overflow weir.

Through adopting above-mentioned technical scheme, the staff can use the cat ladder business turn over overflow weir, then overhauls the overflow weir to the whole maintenance efficiency of staff to the cyclone separator has been improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the efficiency of collecting impurities such as suspended matters and solid particles in initial rainwater is improved, during rainfall, rainwater is guided into the water inlet cavity through the water flow inlet and flows into the outer treatment chamber through the water inlet, then the impurities and the rainwater are separated under the filtration of the annular grid, then the impurities are accumulated in the outer treatment chamber continuously, the filtered rainwater flows into the overflow cavity through the pipe body and the water outlet pipe, and then the rainwater in the overflow cavity is discharged into water conservancy facilities such as a sewer or a river channel through the overflow outlet, so that the separated collection of the rainwater and the impurities is realized, and the circulation rate of the rainwater is increased;

2. the efficiency of the clearance of debris in the outer treatment chamber is improved, through establishing the baffle card in the intake antrum to carry out the shutoff between rivers entry and the water inlet, later the staff can clear up the debris in the outer treatment chamber of shaft to reduce the clearance degree of difficulty of debris, improved the clearance accuracy of debris in the outer treatment chamber.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a cyclone separator according to an embodiment of the present application;

FIG. 2 is a schematic structural view embodying a filter assembly;

FIG. 3 is a top view of a cyclonic separator according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a closure assembly.

Description of reference numerals: 1. a shaft; 11. a water inlet; 2. an overflow weir; 21. an overflow cavity; 211. an overflow outlet; 22. a water inlet cavity; 221. a water flow inlet; 23. a cover plate; 3. an overflow table; 4. a pipe body; 5. a filter assembly; 51. an annular grid; 52. an ear plate; 53. a bolt; 54. an annular baffle; 6. a water outlet pipe; 7. a single board; 8. climbing a ladder; 9. a plugging component; 91. a partition plate; 92. a support plate; 93. a seat board.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a cyclone separator for treating initial rainwater. Referring to fig. 1, the cyclone separator comprises a vertical shaft 1, wherein one side of the vertical shaft 1 is provided with an overflow weir 2, the vertical shaft 1 and the overflow weir 2 are integrally cast, the overflow weir 2 comprises an overflow cavity 21, the overflow cavity 21 is vertically arranged and is equal to the height of the vertical shaft 1, and one side of the overflow cavity 21, which is close to the top of the overflow cavity 21, is connected with a water inlet cavity 22; when the side of the vertical shaft 1, which is far away from the overflow weir 2, is seen towards the overflow weir 2, the overflow weir 2 formed by the overflow cavity 21 and the water inlet cavity 22 together is of a 'Gamma' type, and the top openings of the vertical shaft 1, the overflow cavity 21 and the water inlet cavity 22 are blocked by the cover plate 23.

Referring to fig. 1, an overflow table 3 is fixed between an overflow cavity 21 and a water inlet cavity 22, the overflow table 3 and an overflow weir 2 are integrally poured, the upper surface of the overflow table 3 is lower than the upper surfaces of the overflow cavity 21 and the water inlet cavity 22, a pipe body 4 is fixed at the bottom of a vertical shaft 1 in the vertical shaft 1, the pipe body 4 and the vertical shaft 1 are coaxially arranged, the outer diameter of the pipe body 4 is smaller than the inner diameter of the vertical shaft 1, a filter assembly 5 is arranged at the top of the pipe body 4 in the vertical shaft 1, and the space in the vertical shaft 1 is divided into an inner treatment chamber and an outer treatment chamber by the pipe body 4 and the filter assembly 5.

Referring to fig. 2, the filtering assembly 5 includes an annular grid 51, the mesh of the annular grid 51 is made of stainless steel, the mesh size of the annular grid 51 is between 2.5mm and 5mm, the annular grid 51 is located above the tube 4 and is arranged coaxially with the tube 4, a plurality of ear plates 52 are fixed at the bottom of the annular grid 51 in the direction away from the axis of the annular grid 51, the plurality of ear plates 52 are uniformly distributed around the axis of the annular grid 51, the ear plates 52 are detachably connected with the upper side of the tube 4 through bolts 53, an annular baffle 54 is further connected to the top of the annular grid 51, one end of the annular baffle 54 departing from the annular grid 51 is arranged in a sealing manner, and the inner treatment chamber and the outer treatment chamber in the shaft 1 are formed by jointly separating the tube 4, the annular grid 51 and the annular baffle 54.

Referring to fig. 3, a water inlet 221 is formed in one side of the water inlet cavity 22, which is away from the overflow cavity 21, an overflow outlet 211 is formed in one side of the overflow cavity 21, which is away from the water inlet cavity 22, the heights of the water inlet 221 and the overflow outlet 211 are the same, and the heights of the vertexes of the water inlet 221 and the overflow outlet 211 are lower than the height of one end of the annular baffle 54, which is away from the annular grid 51; a water inlet 11 is jointly arranged on the vertical shaft 1 and the overflow weir 2, the outer treatment chamber and the water inlet cavity 22 are communicated by the water inlet 11, the water inlet direction of the water inlet 11 is arranged along the tangential direction of the annular grating 51, the sieve pores of the annular grating 51 are vertical to the water flow direction, the overflow table 3 is parallel to the extending direction of the water inlet 11 so as to be more beneficial to rainwater to form rotational flow in the vertical shaft 1, and a water outlet pipe 6 is connected between the overflow cavity 21 and the pipe body 4 and used for conveying the water in the inner treatment chamber to the overflow cavity 21.

When rainwater needs to be treated, the rainwater flows into the water inlet cavity 22 through the water flow inlet 221, then the water in the water inlet cavity 22 is conveyed into an outer treatment chamber of the vertical shaft 1 through the water inlet 11, then the rainwater tangentially impacts the annular grating 51, under the filtering action of the annular grating 51, the rainwater and impurities are separated, then the impurities are accumulated in the outer treatment chamber, the filtered rainwater overflows to the overflow cavity 21 from the pipe body 4 through the water outlet pipe 6, along with accumulation of the rainwater in the overflow cavity 21, until the water level in the overflow cavity 21 reaches the overflow outlet 211, then the filtered rainwater can flow into water conservancy facilities such as a sewer or a river channel from the overflow outlet 211, so that the rainwater and the impurities are separately collected, the circulation rate of the rainwater is increased, and the collection efficiency of impurities such as suspended matters and solid particles in the initial rainwater is improved.

Referring to fig. 3, the overflow platform is arranged so that when the processing capacity of the annular grille 51 is reduced, the excess rainwater can directly flow into the water inlet and overflow cavity 21 from the water inlet cavity 22 through the overflow platform, thereby reducing the possibility of blockage of the cyclone separator and further reducing the possibility of water accumulation on the road surface; a single plate 7 for collecting suspended matters is arranged at one end of the annular grating 51 close to the pipe body 4, so that a worker can conveniently open the cover plate 23 to clean impurities in the external treatment chamber; in addition, the water inlet cavity 22 and the overflow cavity 21 are respectively provided with the climbing ladder 8, so that workers can easily enter the overflow weir 2 to maintain the overflow weir 2.

Referring to fig. 3 and 4, a blocking assembly 9 for blocking or unblocking communication between the water inlet 221 and the water inlet 11 is further provided in the water inlet chamber 22 for preventing water from entering when cleaning garbage in the outer treatment chamber; the plugging component 9 comprises a partition 91 arranged on one side of the overflow table 3 deviating from the overflow cavity 21, the partition 91 is vertically arranged, a clamping groove for inserting two ends of the partition 91 is formed in the upper surface of the overflow table 3 from top to bottom, a supporting plate 92 vertically arranged is further fixed at the middle part of one side, close to the partition 91, of the partition 91, the partition 91 faces the overflow table 3, the supporting plate 92 is perpendicular to the partition 91, a seat plate 93 is fixed at one end, far away from the partition 91, of the supporting plate 92, the seat plate 93 is perpendicular to the supporting plate 92, one side, deviating from the supporting plate 92, of the seat plate 93 is abutted to the opposite side wall of the overflow table 3, so that when the partition 91 is impacted by rainwater, the possibility of compression deformation of the center of the partition 91 is reduced, and the service life of the partition 91 is prolonged.

The implementation principle of the cyclone separator for treating initial rainwater in the embodiment of the application is as follows: when raining, rainwater falling on the ground flows into the water inlet cavity 22 through the water inlet 221, then the water in the water cavity 22 is conveyed into the outer treatment chamber of the shaft 1 through the water inlet 11, then the rainwater tangentially impacts the annular grating 51, under the filtering action of the annular grating 51, the rainwater and impurities are separated, then the impurities are accumulated in the outer treatment chamber, the filtered rainwater overflows to the overflow cavity 21 from the pipe body 4 through the water outlet pipe 6, along with accumulation of the rainwater in the overflow cavity 21, until the water level in the overflow cavity 21 reaches the overflow outlet 211, and then the filtered rainwater can flow into water conservancy facilities such as a sewer or a river channel from the overflow outlet 211.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A cyclone separator for treating incipient rainwater, comprising: comprises a vertical shaft (1) and an overflow weir (2) positioned at one side of the vertical shaft (1), wherein a vertically arranged pipe body (4) is arranged at the bottom of the vertical shaft (1) in the vertical shaft (1), an annular grid (51) is arranged at the top of the pipe body (4), the pipe body (4) and the annular grid (51) divide the vertical shaft (1) into an inner treatment chamber and an outer treatment chamber, an overflow table (3) is arranged in the overflow weir (2), the overflow table (3) divides the overflow weir (2) into a water inlet cavity (22) and an overflow cavity (21), a water inlet (221) is arranged on the overflow weir (2) corresponding to the water inlet cavity (22), an overflow outlet (211) is arranged on the overflow weir (2) corresponding to the overflow cavity (21), a water inlet (11) communicated with the outer treatment chamber and the water inlet cavity (22) is jointly arranged on the vertical shaft (1) and the overflow weir (2), and the water inlet direction of the water inlet (11) is arranged along the tangential direction of the annular grid (51), the pipe body (4) is connected with a water outlet pipe (6), and the other end of the water outlet pipe (6) is communicated with the overflow cavity (21).

2. A hydrocyclone for treating incipient rain according to claim 1, characterized in that: and a partition plate (91) used for plugging or opening the communication between the water flow inlet (221) and the water inlet (11) is arranged in the water inlet cavity (22).

3. A hydrocyclone for treating incipient rain according to claim 2, characterized in that: a supporting plate (92) used for being abutted against the overflow table (3) is fixed on one side, facing the overflow table (3), of the partition plate (91).

4. A hydrocyclone for treating incipient rain according to claim 3, characterized in that: one side of the supporting plate (92) facing the overflow table (3) is further fixedly provided with a seat plate (93), the seat plate (93) is perpendicular to the supporting plate (92), and the seat plate (93) is parallel to and abutted against the corresponding side wall of the overflow table (3).

5. A hydrocyclone for treating incipient rain according to claim 1, characterized in that: an annular baffle (54) is arranged at one end, deviating from the pipe body (4), of the annular grating (51), and the height, deviating from the end of the annular grating (51), of the annular baffle (54) is not lower than the heights of the water inlet (221) and the overflow outlet (211).

6. A hydrocyclone for treating incipient rain according to claim 5, wherein: the end of the annular baffle (54) departing from the annular grating (51) is sealed.

7. A hydrocyclone for treating incipient rain according to claim 1, characterized in that: and a single plate (7) for collecting suspended matters is arranged at one end of the annular grating (51) close to the pipe body (4).

8. A hydrocyclone for treating incipient rain according to claim 1, characterized in that: a ladder stand (8) is arranged in the overflow weir (2).