CN212504116U

CN212504116U - Double-spiral flow passage type cyclone separation well

Info

Publication number: CN212504116U
Application number: CN202020761687.1U
Authority: CN
Inventors: 杨娈; 刘恒; 薛雨爽
Original assignee: Jiangsu Weile Environmental Protection Technology Co ltd
Current assignee: Jiangsu Weile Environmental Protection Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2021-02-09
Anticipated expiration: 2030-05-11

Abstract

A double-helix flow channel type cyclone separation well comprises a water inlet pipe, a water outlet pipe, an outer well and a cyclone separation system arranged in the outer well; the cyclone separation system comprises a cylinder cover, a spiral guide cylinder, a spiral central guide column and a sand hopper; the spiral central guide column is concentrically positioned in the spiral guide cylinder, and the spiral central guide column and the spiral guide cylinder are connected into a whole through a cylinder cover; the spiral guide cylinder is a spiral tubular cylinder body with an upper opening and a lower opening, an inner spiral flow passage and a first outer spiral flow passage are respectively formed inside and outside the cylinder wall, the spiral central guide column is formed by connecting an upper spiral cylinder body and a lower cone body, and a second outer spiral flow passage is arranged on the outer wall of the upper spiral cylinder body; the water inlet pipe is arranged at the eccentric position of the spiral guide cylinder, and the water outlet pipe penetrates through the spiral guide cylinder and is arranged at the upper end of the spiral central guide column in the tangential direction; the sand hopper is arranged on the inner wall of the outer well and is positioned right below the spiral guide cylinder and the spiral central guide column. The utility model discloses can show improvement separation efficiency, improve the flow that can hold of unit bilge well or catch basin.

Description

Double-spiral flow passage type cyclone separation well

Technical Field

The utility model relates to a water conservancy hydrocyclone separation well, especially a double helix runner formula hydrocyclone separation well are applicable to the preliminary treatment of rainwater and sewage.

Background

At present, as is known, a hydraulic cyclone separation well is arranged in a rainwater pipe well, floating objects and suspended matters in rainwater are continuously separated by using the vortex action, rainwater discharged into a natural water body is pretreated, and the rainwater is prevented from polluting a receiving water body.

The main body of the existing hydrocyclone separation well is basically a compact round well, in which a treatment system is arranged. The integral installation is arranged in the rainwater pipe well and comprises an inner-layer circular treatment well chamber and an outer-layer circular treatment well chamber. The outer well chamber is cylindrical, a water inlet is formed in the outer well chamber, rainwater entering along a tangent line forms a centrifugal effect by means of the inner surface of the cylinder, and therefore suspended matters in water are continuously separated. The inner well chamber is also cylindrical, so that on one hand, the overflow function is exerted, the water enters the outer well chamber again to complete the circulation separation, and on the other hand, the treated water is discharged into the natural water body through the water outlet on the inner well chamber.

For example, a primary rain cyclone separation well is known, which includes a well body, an outer cyclone cylinder and an inner cyclone cylinder, wherein a water inlet pipe and a water outlet pipe are arranged on two sides of the well body, a support ring is arranged on the inner wall of the well body, the outer cyclone cylinder is placed on the support ring, an opening is arranged at the top of the outer cyclone cylinder, a water inlet butted with the water inlet pipe and a water outlet butted with the water outlet pipe are arranged on the side wall of the outer cyclone cylinder, a tapered cylinder penetrating through the support ring is arranged at the bottom of the tapered cylinder, a bottom flow port is arranged at the bottom of the tapered cylinder, the inner cyclone cylinder is coaxially fixed in the outer cyclone cylinder, and the water outlet. Coarse particles and suspended matter in the primary rain can be separated by centrifugation.

In summary, the existing hydrocyclone separation well mainly depends on the inner surface of a cylinder and operates in a gravity flow mode, and can only operate in a hydraulic vortex mode to roughly separate suspended matters with larger volume or weight in water, but cannot play a great role in separating coarse particles such as settled sand in rainwater, the separation well has to ensure proper water inflow, can realize separation of settled sand in rainwater under specific conditions, and has low separation efficiency under the condition of overlarge or undersize water inflow.

Disclosure of Invention

In order to overcome the above-mentioned not enough of prior art, the utility model provides a double helix runner formula hydrocyclone separation well, this separation well can show improvement separation efficiency, improves the unit bilge well or the holding flow of catch basin.

The utility model provides a technical scheme that its technical problem adopted is: the cyclone separator comprises a water inlet pipe, a water outlet pipe, an outer well and a cyclone separation system arranged in the outer well, wherein the water inlet pipe and the water outlet pipe both penetrate through the outer well and are communicated with the cyclone separation system; the method is characterized in that: the cyclone separation system comprises a cylinder cover, a spiral guide cylinder, a spiral central guide column and a sand hopper; the spiral central guide column is concentrically positioned in the spiral guide cylinder, and the upper ends of the spiral central guide column and the spiral guide cylinder are connected into a whole through a cylinder cover; the spiral guide cylinder is a spiral tubular cylinder body with an upper opening and a lower opening, an inner spiral flow passage and a first outer spiral flow passage are respectively formed inside and outside the cylinder wall, the spiral central guide column is formed by connecting an upper spiral cylinder body and a lower cone body, and a second outer spiral flow passage is arranged on the outer wall of the upper spiral cylinder body; the water inlet pipe is arranged at the eccentric position of the upper part of the spiral guide cylinder, and the water outlet pipe penetrates through the spiral guide cylinder and is arranged at the upper end of the spiral central guide column in the tangential direction; the sand hopper is arranged on the inner wall of the outer well and is positioned right below the spiral guide cylinder and the spiral central guide column.

Compared with the prior art, the double-spiral flow passage type cyclone separation well of the utility model is provided with a cyclone separation system comprising a spiral guide cylinder and a spiral central guide column in the outer well, thereby forming a two-stage separation process, the primary separation process mainly enhances the primary separation efficiency through the first external spiral flow channel on the outer wall of the spiral guide cylinder, large particles are efficiently separated out and directly enter the sand hopper at the bottom of the system, the second-stage separation treatment mainly aims at the sundries or silt with smaller particles, utilizes the inner spiral flow passage on the inner surface of the spiral guide cylinder and the second outer spiral flow passage on the outer surface of the spiral central guide column to generate combined enhanced centrifugal force, and finally discharges clean water upwards from the water outlet pipe, and the separated fine particle trash and gravel fall into a sand hopper at the lower part along the lower cone wall surface of the spiral central guide column under the action of the inertial centrifugal force of the fluid and the self gravity. In conclusion, the treatment process of the internal and external spiral centrifugation and the internal auxiliary centrifugation of the utility model can fully utilize and continuously strengthen the centrifugal force formed by the hydraulic cyclone, realize high-efficiency solid-liquid separation and is not influenced by the water inflow; the water passing efficiency is also increased, and particularly at the time of the water supply peak, the amount of treated water is remarkably increased.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is a top view of an embodiment of the present invention.

Fig. 3 is a cross-sectional view a-a of fig. 2.

Fig. 4 is a front view of a cyclonic separation system in an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of the spiral guide shell in the embodiment of the present invention.

Fig. 6 is a sectional view of B-B in fig. 5.

Fig. 7 is a top view of the spiral center guide pillar in an embodiment of the present invention.

Fig. 8 is a front view of the spiral center guide pillar in the embodiment of the present invention.

Fig. 9 is a cross-sectional view of C-C in fig. 8.

In the figure, 100, an outer well, 110, a liquid level meter, 200, a cyclone separation system, 210, a cylinder cover, 211, a handle, 220, a spiral guide cylinder, 221, a first outer spiral flow passage, 222, an inner spiral flow passage, 230, a spiral central guide column, 231, an upper spiral column body, 2311, a second outer spiral flow passage, 232, a lower cone body, 240, a sand hopper, 241, a baffle, 242, a guide passage, 300, a water outlet pipe, 400 and a water inlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 to 4 are schematic structural views illustrating a preferred embodiment of the present invention, and fig. 1 to 3 illustrate a double spiral flow channel type cyclone separation well, which includes a water inlet pipe 400, a water outlet pipe 300, an outer well 100 and a cyclone separation system 200 disposed in the outer well 100, wherein the water inlet pipe 400 and the water outlet pipe 300 both pass through the outer well 100 and are communicated with the cyclone separation system 200; wherein the outer well 100 is at least the outer well 100 of a bilge well or a catch basin. Preferably, the water outlet of the water inlet pipe 400 is connected to the first outer spiral flow channel 221, and the water inlet of the water outlet pipe 300 is connected to the second outer spiral flow channel 2311, preferably, a corresponding gap is formed at the connection position for smooth connection with the incoming and outgoing water flow, thereby ensuring the maximum circulation efficiency.

Referring to fig. 4, 5-6 and 7-8, in the present embodiment, the cyclonic separation system 200 includes a shroud 210, a spiral draft tube 220, a spiral center draft post 230 and a sand hopper 240; the spiral central guide column 230 is concentrically positioned in the spiral guide cylinder 220, and the upper ends of the spiral central guide column and the spiral guide cylinder are connected into a whole through the cylinder cover 210; more specifically, a through hole is formed in the center of the cylinder cover 210, the spiral central guide pillar 230 passes through the through hole, and the upper end of the spiral central guide pillar 230 is located above the cylinder cover 210. The spiral guide cylinder 220 is a spiral tubular cylinder with an upper opening and a lower opening, an inner spiral flow passage 222 and a first outer spiral flow passage 221 are respectively formed inside and outside the cylinder wall, the spiral central guide column 230 is formed by connecting an upper spiral cylinder 231 and a lower cone 232, and a second outer spiral flow passage 2311 is formed on the outer wall of the upper spiral cylinder 231; the water inlet pipe 400 is installed at an eccentric position of the upper portion of the spiral guide cylinder 220, and the water outlet pipe 300 penetrates through the spiral guide cylinder 220 and is installed at the upper end of the spiral center guide column 230 in a tangential direction. Preferably, the spiral guide cylinder 220 and the spiral central guide column 230 are formed in one step by injection molding, so that water resistance loss can be reduced to the maximum extent, and when water enters the first outer spiral flow channel 221 of the spiral guide cylinder 220 along a tangent line, centrifugal force formed by hydraulic cyclone is fully utilized in a spirally descending flow channel, and solid-liquid separation is realized at high efficiency.

In this embodiment, the sand hopper 240 is installed on the inner wall of the outer well 100 and is located right below the spiral guide cylinder 220 and the spiral center guide column 230. Preferably, the sand hopper 240 is detachably installed on the outer well 100, so that after gravel and dirt brought by swirling flow are collected to the bottom sand hopper 240, the sand hopper 240 can be detached for cleaning, or a pipeline of a suction dredge is inserted from the center of the diversion column to suck away the dirt. As shown in fig. 4, the sand hopper 240 is in the shape of an inverted cone, the large opening on the upper portion is a feeding end, the small opening on the lower portion is a discharging end, in order to improve the bearing capacity, a baffle 241 can be additionally arranged on the edge of the feeding end, in order to collect dirt, gravel and sludge, the discharging end can be additionally provided with a flow guide channel 242, and a valve can be further arranged on the flow guide channel 242, so that subsequent intelligent operation is facilitated. In order to avoid the side leakage of the separated objects, the distance between the sand hopper 240 and the cyclone separation system 200 is moderate, and the sand hopper 240 and the cyclone separation system 200 are too close or too far to generate outward splashing or leakage, so that the sand hopper 240 cannot accurately enter the cyclone separation system 200.

In a preferred embodiment, considering the optimization of the separation effect, the spiral direction and the inclination angle of the first outer spiral flow passage 221 are consistent with those of the second outer spiral flow passage 2311. Further preferably, the number and the interval of the first outer spiral flow channels 221 on the spiral guide cylinder 220 are the same as the number and the interval of the second outer spiral flow channels 2311 on the spiral central guide column 230.

In order to realize the convenience of installation and use, the cylinder cover 210 is detachably connected with the spiral guide cylinder 220 and the spiral central guide column 230. The further improvement is that the upper end of the cylinder cover 210 is also provided with a handle 211, the specific shape, number and position of the handle 211 are not limited, and the use requirement of holding by hand can be met, so that the convenience of operation can be further provided.

In a modified embodiment, a liquid level meter 110 is further installed on the inner wall of the outer well 100, and the liquid level meter 110 is positioned above the cyclone separation system 200. When the sundries accumulated in the sand hopper 240 reach a certain degree, the processing capacity of the separation well is reduced, the liquid level rises, the liquid level meter 110 monitors the rise of the liquid level, and the cleaning is completed, so that the sand hopper is more intelligent.

The utility model discloses a theory of operation: mainly utilizing the principle of centrifugal separation, the water inlet pipe 400 is installed at the eccentric position of the cylinder, after sewage or rainwater enters the outer well 100 through the water inlet pipe 400, the sewage or rainwater passes through the spiral guide cylinder 220 and the spiral central guide column 230 of the cyclone separation system 200 to generate double reinforced centrifugal treatment, specifically, firstly, a rotating and downward surrounding fluid is formed along the tangential direction of the first outer spiral flow channel 221 of the spiral guide cylinder 220, the water flow is pushed downwards in a rotating manner, after the water flow reaches the lower cone 232 of the spiral central guide column 230, the water flow rotates and upwards rotates along the axis of the inner spiral flow channel 222 of the spiral guide cylinder 220 and the second outer spiral flow channel 2311 of the spiral central guide column 230, and finally, the sewage or rainwater is efficiently discharged through the water outlet pipe in the tangential direction; coarse particle trash or silt generated after primary centrifugation by the spiral guide cylinder 220 directly falls into the sand hopper 240, and fine particle trash and gravel subjected to composite centrifugation treatment by the spiral guide cylinder 220 and the spiral central guide column 230 fall into the sand hopper 240 at the lower part along the wall surface of the lower cone 232 of the spiral central guide column 230 under the action of fluid inertial centrifugal force and self gravity. When the sundries accumulated in the sand hopper 240 reach a certain degree, the processing capacity of the separation well is reduced, the liquid level rises, and the liquid level meter 110 monitors that the liquid level rises and then cleans the separation well.

The utility model utilizes the first outer spiral runner 221, the inner spiral runner 222 and the second outer spiral runner 2311, and the two-stage centrifugal treatment process improves the separation efficiency and the capacity flow of the unit sewage well; the separation well area liquid level detects, can judge the bottom sand setting according to liquid level detection and pile up the condition, and different separation wells set up liquid level detection respectively, realize synchronous flow monitoring, automatic reposition of redundant personnel is adjusted.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do the restriction in any form, all basis the utility model discloses a technical essence makes any simple modification and equal change to above embodiment, all falls into within the protection scope of the utility model.

Claims

1. A double-helix flow channel type cyclone separation well comprises a water inlet pipe (400), a water outlet pipe (300), an outer well (100) and a cyclone separation system (200) arranged in the outer well (100), wherein the water inlet pipe (400) and the water outlet pipe (300) penetrate through the outer well (100) and are communicated with the cyclone separation system (200); the method is characterized in that: the cyclone separation system (200) comprises a cylinder cover (210), a spiral guide cylinder (220), a spiral central guide column (230) and a sand hopper (240); the spiral central guide column (230) is concentrically positioned in the spiral guide cylinder (220), and the upper ends of the spiral central guide column and the spiral guide cylinder are connected into a whole through a cylinder cover (210); the spiral guide cylinder (220) is a spiral tubular cylinder with an upper opening and a lower opening, an inner spiral flow passage (222) and a first outer spiral flow passage (221) are respectively formed inside and outside the cylinder wall, the spiral central guide column (230) is formed by connecting an upper spiral cylinder body (231) and a lower cone body (232), and a second outer spiral flow passage (2311) is formed in the outer wall of the upper spiral cylinder body (231); the water inlet pipe is arranged at the eccentric position of the upper part of the spiral guide cylinder (220), and the water outlet pipe (300) penetrates through the spiral guide cylinder (220) and is arranged at the upper end of the spiral central guide column (230) in the tangential direction; the sand hopper (240) is arranged on the inner wall of the outer well (100) and is positioned right below the spiral guide cylinder (220) and the spiral central guide column (230).

2. The double spiral flow path type cyclone separation well according to claim 1, wherein: the rotation direction and the inclination angle of the first outer spiral flow passage (221) are consistent with those of the second outer spiral flow passage (2311).

3. The double spiral flow passage type cyclone separation well according to claim 2, wherein: the number and the spacing of the first outer spiral flow channels (221) on the spiral guide cylinder (220) are the same as those of the second outer spiral flow channels (2311) on the spiral central guide column (230).

4. A twin spiral flow path cyclone separation well as claimed in claim 1, 2 or 3, wherein: the water outlet of the water inlet pipe (400) is connected with the first outer spiral flow channel (221), and the water inlet of the water outlet pipe (300) is connected with the second outer spiral flow channel (2311).

5. A twin spiral flow path cyclone separation well as claimed in claim 1, 2 or 3, wherein: the sand hopper (240) is in an inverted cone shape, the upper opening is a feeding end, the lower opening is a discharging end, a circle of surrounding baffle (241) is arranged at the upper part of the edge of the feeding end, and a flow guide channel (242) is arranged at the tail end of the discharging end.

6. A twin spiral flow path cyclone separation well as claimed in claim 1, 2 or 3, wherein: the cylinder cover (210) is detachably connected with the spiral guide cylinder (220) and the spiral central guide column (230); the sand hopper (240) is detachably arranged on the outer well (100).

7. A twin spiral flow path cyclone separation well as claimed in claim 1, 2 or 3, wherein: the upper end of the cylinder cover (210) is also provided with a handle (211).

8. A twin spiral flow path cyclone separation well as claimed in claim 1, 2 or 3, wherein: and a liquid level meter (110) is further installed on the inner wall of the outer well (100), and the liquid level meter (110) is positioned above the cyclone separation system (200).