CN113529893A - Drainage pretreatment linking device and deep and shallow layer drainage linking system - Google Patents

Drainage pretreatment linking device and deep and shallow layer drainage linking system Download PDF

Info

Publication number
CN113529893A
CN113529893A CN202110673609.5A CN202110673609A CN113529893A CN 113529893 A CN113529893 A CN 113529893A CN 202110673609 A CN202110673609 A CN 202110673609A CN 113529893 A CN113529893 A CN 113529893A
Authority
CN
China
Prior art keywords
water
box
flow
pipeline
grit chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110673609.5A
Other languages
Chinese (zh)
Inventor
王广华
陈彦
李文涛
周建华
李昀涛
杜至力
李鲁新
金鹏康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Municipal Engineering Design & Research Institute Co Ltd
Original Assignee
Guangzhou Municipal Engineering Design & Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Municipal Engineering Design & Research Institute Co Ltd filed Critical Guangzhou Municipal Engineering Design & Research Institute Co Ltd
Priority to CN202110673609.5A priority Critical patent/CN113529893A/en
Publication of CN113529893A publication Critical patent/CN113529893A/en
Priority to CN202111352937.1A priority patent/CN114016585B/en
Pending legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F3/00—Sewer pipe-line systems
    • E03F3/04—Pipes or fittings specially adapted to sewers
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/22—Adaptations of pumping plants for lifting sewage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)

Abstract

The utility model relates to a drainage pretreatment linking device and a deep and shallow drainage linking system, wherein the drainage pretreatment linking device comprises a diversion canal box, a grid, a surging canal box, a drop flow box, a flow passage pipeline and a grit chamber; the water channel box is provided with a water inlet for water flow to enter and a water outlet for water flow to flow out, the water inlet of the over-flowing channel box is communicated with the water outlet of the water channel box, and the water channel box is used for guiding the water flow to the over-flowing channel box; a grid for filtering water flow entering the surge ditch box is arranged in the surge ditch box; the water inlet of the drop flow box is communicated with the water outlet of the overflow channel box, the water outlet of the drop flow box is communicated with the inlet of the overflow pipeline, and the outlet of the overflow pipeline is communicated with the water inlet of the grit chamber; the pipeline that overflows is buckled into snakelike structure to the water inlet of grit chamber from the delivery port that falls the flow box, and the department of buckling that overflows the pipeline is the arc, and the contained angle that the department of buckling of overflowing the pipeline formed is greater than 90 to the rivers flow state that makes through the flow pipeline and flow through is better.

Description

Drainage pretreatment linking device and deep and shallow layer drainage linking system
Technical Field
The utility model relates to the technical field of drainage, especially, relate to a drainage preliminary treatment links up device and deep and shallow layer drainage linking system.
Background
The deep and shallow layer drainage connection system comprises a main tunnel, a drainage pretreatment connection device, an inflow vertical shaft, a drainage pump station and the like, water flow in the main tunnel can be discharged into the inflow vertical shaft through the drainage pretreatment connection device, and water in the inflow vertical shaft is pumped to the outside through the drainage pump station to be treated and discharged.
The drainage pretreatment connection device generally includes a flow passage and a vertical shaft, through which water is drained into the deep main tunnel. However, when the drainage pretreatment connection device in the prior art is used, the flow state of water flowing to the vertical shaft is not good, and garbage and silt carried by the water flow enter the deep tunnel, so that the operation risk and the energy consumption of the deep and shallow drainage connection system are increased.
Disclosure of Invention
In order to solve the above technical problem or at least partially solve the above technical problem, the present disclosure provides a drain pretreatment connection device and a deep and shallow drain connection system.
In one aspect, the present disclosure provides a drainage pretreatment linking device, comprising a penstock box, a surge canal box, a grid, a drop box, a flow passage pipe, and a grit chamber;
the water diversion channel box is provided with a water inlet for water flow in the tunnel and a water outlet for water flow out, the water inlet of the over-flowing channel box is communicated with the water outlet of the water diversion channel box, and the water diversion channel box is used for guiding the water flow in the tunnel to the over-flowing channel box; a grating is arranged in the overflowing ditch box and is used for filtering water flow entering the overflowing ditch box;
the water inlet of the drop box is communicated with the water outlet of the overflow channel box, the water outlet of the drop box is communicated with the inlet of the overflow pipeline, and the outlet of the overflow pipeline is communicated with the water inlet of the grit chamber, so that the water flow filtered by the overflow channel box flows into the grit chamber through the drop box and the overflow pipeline in sequence;
the overflow pipe is a serpentine structure formed by bending and extending the water outlet of the overflow box to the water inlet of the grit chamber, the bending part of the overflow pipe is arc-shaped, and the included angle formed by the bending part of the overflow pipe is greater than 90 degrees.
According to an embodiment of the present disclosure, the flow passage pipe has at least two bending portions, and the bending directions of two adjacent bending portions are opposite.
According to an embodiment of the present disclosure, the included angle formed at the bend is greater than or equal to 120 °.
According to an embodiment of the present disclosure, the flow dropping box is located above the grit chamber, and a central axis of the flow dropping box along a length direction thereof coincides with a central axis of a water inlet of the grit chamber.
According to an embodiment of the present disclosure, the penstock box includes a first penstock box and a second penstock box in communication with the first penstock box;
the inlet of the first water diversion box is formed as the water inlet, the inlet of the second water diversion box is communicated with the outlet of the first water diversion box, and the outlet of the second water diversion box is formed as the water outlet.
According to an embodiment of this disclosure, the second diversion tank is loudspeaker form, just loudspeaker form's narrow mouth end with first diversion tank intercommunication, loudspeaker form's wide-mouth end with cross and gush the ditch case intercommunication.
According to an embodiment of the present disclosure, be provided with first cell body and second cell body in the grit chamber, first cell body with the second cell body passes through the baffle and separates, just the baffle extends to being close to from being close to the water inlet of grit chamber the delivery port of grit chamber, so that rivers flow through the pipeline and flow to respectively in first cell body with the second cell body, first cell body has first delivery port, the second cell body has the second delivery port.
According to an embodiment of the present disclosure, the water inlet of the sand settling port is trumpet-shaped, and the narrow end of the trumpet-shaped is close to the overflowing pipeline and connected with the outlet of the overflowing pipeline.
In another aspect, the present disclosure provides a deep and shallow drainage connection system, including a vertical shaft and the drainage pretreatment connection device; and the water outlet of the grit chamber is communicated with the water inlet of the vertical shaft.
According to one embodiment of the disclosure, a plurality of baffle plates are arranged in the vertical shaft, and the baffle plates are arranged at intervals along the height direction of the vertical shaft;
one end of the baffle plate is connected with the inner wall of the vertical shaft, and a gap through which water can flow is formed between the other end of the baffle plate and the inner wall of the vertical shaft; two adjacent baffles are oppositely arranged.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:
the utility model provides a drainage pretreatment linking device and a deep and shallow drainage linking system, wherein the drainage pretreatment linking device comprises a diversion canal box, a surging canal box, a drop box, a flow passage pipeline and a grit chamber; the water diversion channel box is provided with a water inlet for water flow in the tunnel and a water outlet for water flow out, the water inlet of the over-flowing channel box is communicated with the water outlet of the water diversion channel box, and the water diversion channel box is used for guiding the water flow in the tunnel to the over-flowing channel box; a grating is arranged in the overflowing ditch box and is used for filtering water flow entering the overflowing ditch box; the water inlet of the drop flow box is communicated with the water outlet of the overflow channel box, the water outlet of the drop flow box is communicated with the inlet of the overflow pipeline, and the outlet of the overflow pipeline is communicated with the water inlet of the grit chamber, so that the water flow filtered by the overflow channel box flows into the grit chamber through the drop flow box and the overflow pipeline in sequence;
the pipeline that overflows is for buckling from the delivery port of falling the flow box and extending the snakelike structure that forms to the water inlet of grit chamber, and the department of buckling that just overflows the pipeline is the arc, overflows the contained angle that the department of buckling of pipeline formed and is greater than 90. The drainage preliminary treatment linking device that this disclosure provided at first carries out the drainage through the diversion canal case that sets up to the rivers in tunnel, then through crossing the canal case and fall the flow box with rivers water conservancy diversion to overflowing the pipeline in again to the flow state of the water that the pipeline was overflowed in the messenger gets into can be adjusted, simultaneously, because the contained angle that the department of buckling of overflowing the pipeline formed greatly makes the buckling of overflowing the pipeline comparatively relax, and then makes the flow state through overflowing the rivers in pipeline flow to the grit chamber better.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a partial schematic front view of a drainage pretreatment connection device according to an embodiment of the disclosure;
FIG. 2 is a schematic partial cross-sectional view taken along A-A of FIG. 1;
fig. 3-4 are water flow velocity vector diagrams of the grit chamber according to the present disclosure at different flow rates.
Wherein, 1, a water diversion channel box; 11. a water inlet; 12. a water outlet; 13. a first water diversion tank; 14. a second water diversion tank; 2. a surge canal box; 21. a water inlet; 22. a grid; 23. a water outlet; 3. a drop box; 31. a water inlet; 32. a water outlet; 4. an overflow conduit; 41. an inlet; 42. an outlet; 5. a grit chamber; 51. a water inlet; 52. a water outlet; 53. a first tank body; 54. a second tank body; 55. a separator.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
As shown in fig. 1, 2, 3, 4, the present disclosure provides a joint device for drainage pretreatment, which includes an aqueduct box 1, a surge canal box 2, a grid 22, a drop box 3, a flow passage pipe 4, and a grit chamber 5; the water diversion channel box 1 is provided with a water inlet 11 for water flow in the tunnel and a water outlet 12 for water flow out, the water inlet 21 of the over-flowing channel box 2 is communicated with the water outlet 12 of the water diversion channel box 1, and the water diversion channel box 1 is used for guiding the water flow in the tunnel to the over-flowing channel box 2; a grating 22 is arranged in the overflowing ditch box 2, and the grating 22 is used for filtering the water flow entering the overflowing ditch box 2; the water inlet 31 of the drop box 3 is communicated with the water outlet 23 of the overflow channel box 2, the water outlet 32 of the drop box 3 is communicated with the inlet 41 of the overflow pipeline 4, and the outlet 42 of the overflow pipeline 4 is communicated with the water inlet 51 of the grit chamber 5, so that the water flow filtered by the overflow channel box 2 flows into the grit chamber 5 from the drop box 3 and the overflow pipeline 4 in sequence; overflowing pipeline 4 and buckling the snakelike structure that extends and form to the water inlet 51 of grit chamber 5 for the delivery port 32 from falling flow box 3, and the department of buckling S that overflows pipeline 4 is the arc, the contained angle that the department of buckling S that overflows pipeline 4 formed is greater than 90, the drainage preliminary treatment linking device that this disclosure provides first carries out the drainage through the diversion canal case 1 that sets up to the rivers in tunnel, then through crossing in gushing canal case 2 and falling flow box 3 with rivers water conservancy diversion to overflowing pipeline 4 again, thereby make the flow state of the water that gets into in the pipeline 4 that overflows adjust, simultaneously, because the great messenger that the contained angle that the department of buckling S that overflows pipeline 4 formed of overflowing pipeline 4 buckles comparatively relaxes, and then make the flow state through the rivers that overflow pipeline 4 flows to in grit chamber 5 better.
FIG. 3 shows the flow Q of 31.00m3The flow velocity vector diagram of the water flow in the sand basin 5 is shown in the figure 4, wherein Q is 16.50m3And/s flow velocity vector diagram of water flow in the sand basin 5. As can be seen from fig. 3 and 4, in the joining device for drainage pretreatment of the present embodiment, firstly, the water flow in the tunnel is guided by the arranged approach canal box 1, and then the water flow is guided into the overflow pipeline 4 by the overflow canal box 2 and the drop box 3, and the bending of the overflow pipeline 4 is relatively gentle due to the relatively large included angle formed at the bending part S of the overflow pipeline 4, so that the flow state of the water flow flowing into the grit chamber 5 through the overflow pipeline 4 is relatively good; and the water flow in the grit chamber 5 is in an obvious rotational flow state, the peripheral rotational flow speed is high, the central speed is low, and the applicant finds that the central flow speed in the grit chamber 5 is less than 0.5m/s through actual measurement, so that the silt sedimentation is facilitated. As can be seen from fig. 3 and 4, the symmetry of the water flow in the double tanks of the grit chamber 5 is improved to some extent, which is beneficial to improving the sand settling effect of the grit chamber 5 by the symmetrical overflowing of the double tanks.
As shown in fig. 1, 3, and 4, the overflow pipe 4 is a serpentine structure formed by bending and extending from the water outlet 32 of the drop box 3 to the water inlet 51 of the grit chamber 5, and the serpentine structure is formed by winding and extending, for example, a serpentine steep slope as shown in fig. 1, so that the bent portion S of the overflow pipe 4 forms a smooth arc, and the included angle α formed by the bent portion S of the overflow pipe 4 is greater than 90 °, thereby avoiding forming a right-angled bend and causing a poor flow pattern of water flow.
Specifically, as shown in fig. 1, the flow passage pipe 4 has at least two bends S, and the bending directions of two adjacent bends S are opposite, so that the flow passage pipe 4 is continuously bent to form a serpentine structure. In this embodiment, the flow passage pipe 4 has two opposite bends S, and in other embodiments, the bends S may be three or four consecutive opposite bends.
In this embodiment, the included angle α formed by the bending portion S is greater than or equal to 120 °, for example, the included angle α of the bending portion S may be 120 °, 140 °, 160 °, or 170 °, so that the bending of the bending portion S of the flow passage pipe 4 is relatively smooth, thereby facilitating a good flow state of the water flowing therethrough. The included angle degree of the specific bending part S can be set according to actual needs.
In order to make the flow state of the water flow better, in this embodiment, the overflowing canal box 2 is moved downstream so that the dropping box 3 is located above the grit chamber 5, and the central axis (x shown in fig. 1) of the dropping box 4 in the length direction coincides with the central axis (y shown in fig. 1) of the water inlet 51 of the grit chamber 5, thereby avoiding spatial dislocation between the overflowing canal box 2 and the grit chamber 5 and requiring a pipeline with a large degree of curvature for communication. Therefore, in the embodiment, the flow dropping box 3 is arranged right above the grit chamber 5, so that the bending degree of the flow passing pipeline 4 for communicating the grit chamber 5 with the flow dropping box 3 can be set to be smaller, and the bending of the whole flow passing pipeline 4 is ensured to be smoother, so that the flow state of water flowing through the flow passing pipeline 4 is better.
As shown in fig. 1, the penstock box 1 includes a first penstock box 13 and a second penstock box 14 communicating with the first penstock box 13; the inlet of the first water guiding box 13 is formed into a water inlet 11, the inlet of the second water guiding box 14 is communicated with the outlet of the first water guiding box 13, the outlet of the second water guiding box 13 is formed into a water outlet 12, and water in the tunnel flows into the surging ditch box 2 through the first water guiding box 13 and the second water guiding box 24 in sequence. The second water guiding tank 14 is trumpet-shaped, the narrow end of the trumpet-shaped is communicated with the first water guiding tank 13, the wide end of the trumpet-shaped is communicated with the overflowing canal box 2, and then the water flow guiding effect is achieved, so that the water flow flowing into the overflowing canal box 2 through the water guiding canal box 1 is better.
In this embodiment, a first tank body 53 and a second tank body 54 are disposed in the grit chamber 5, the first tank body 53 and the second tank body 54 are separated by a partition plate 55, and the partition plate 55 extends from a water inlet 51 near the grit chamber 5 to a water outlet 52 near the grit chamber 5, so that water flows through the overflow pipe 4 and flows into the first tank body 53 and the second tank body 54, respectively, the first tank body 53 has a first water outlet, the second tank body 54 has a second water outlet, and the overflow pipe 4 having the diversion channel box 1, the drop flow box 3, and the serpentine structure is disposed, so that water flows into the first tank body 53 and the second tank body 54, respectively, are relatively symmetrical, that is, as shown in fig. 3 and fig. 4, a flow rate of water in the first tank body 53 is relatively close to a flow rate of water in the second tank body 54, so as to ensure that a relatively large flow deviation does not occur.
In this embodiment, as shown in fig. 1, 3, and 4, each of the first tank 53 and the second tank 54 includes a housing, and a water inlet and a water outlet disposed at two opposite sides of the housing, the water inlet of the first tank 53 and the water inlet of the second tank 54 are both communicated with the water inlet 51 of the grit chamber 5, the water outlet of the first tank 53 and the water outlet of the second tank 54 are both communicated with the water outlet 52 of the grit chamber 5, and a part of water flow entering the grit chamber 5 flows into the first tank 53 through the water inlet 51 of the grit chamber and the water inlet of the first tank 53, and then flows out through the water outlet of the first tank 53 and the water outlet of the grit chamber 5; the other part of the water flow entering the grit chamber 5 flows into the second chamber body 54 through the water inlet 51 of the grit chamber 5 and the water inlet of the second chamber body 54, and then flows out through the water outlet of the second chamber body 54 and the water outlet of the grit chamber 5.
As shown in fig. 1, 3 and 4, the water inlet 51 of the sand-settling mouth 5 is trumpet-shaped, and the narrow end of the trumpet-shaped is close to the overflow pipe 4 and connected with the outlet 42 of the overflow pipe 4, so that the flow state of the water flow flowing into the sand-settling basin 5 through the overflow pipe 4 is good.
In another aspect, the present disclosure provides a deep and shallow drainage connection system, including a vertical shaft and the drainage pretreatment connection device; the water outlet 52 of the grit chamber 5 is communicated with the water inlet of the shaft. A plurality of baffle plates are arranged in the vertical shaft at intervals along the height direction of the vertical shaft; one end of the baffle plate is connected with the inner wall of the vertical shaft, and a gap through which water can flow is formed between the other end of the baffle plate and the inner wall of the vertical shaft; two adjacent baffles are oppositely arranged. The utility model provides a deep and shallow layer drainage links up system, rivers at first enter into to crossing in the ditch case 2 through the inlet channel case 1 that sets up, then through falling flow box 3 water conservancy diversion to overflowing in the pipeline 4 again, and the contained angle that the department S of buckling of overflowing pipeline 4 formed greatly makes the buckling of overflowing pipeline 4 comparatively mild, makes the flow state of the rivers that flow to the grit chamber 5 through overflowing pipeline 4 better, and rivers in the grit chamber 5 continue to flow into to the shaft.
Through the design of the drainage pretreatment connecting device, the applicant conducts experiments under different water flow working conditions to find that the super-leakage flow (Q is 37.00 m)3And/s) under the working condition, the water diversion channel box 1 is open flow, and the overflowing between the grids of the overflowing channel box 2 is stable. On the whole, the grit chamber 5 is stable in overflowing, the phenomena of obvious fluctuation of the water surface and vibration of an air cavity are avoided, the flow state in each shaft communicated with the drainage pretreatment connecting device is good, the baffle plates in each shaft can form a typical baffle plate water cushion energy dissipation flow state, the energy is not obviously accumulated, the thicknesses of all layers of water cushions are equivalent, and the energy dissipation effect is good.
Design flow (Q ═ 31.00m3And/s) under the working condition, the water diversion channel box 1 is in open flow, and the inlet water flow among the grids of the overflowing channel box 2 is basically symmetrical. Influenced by the gradually expanding section of the inlet between the grids, and the part has slight open-flow shock waves. The grids are in an open flow state, no obvious falling flow exists at the outlet, and the water level of the falling flow box 2 is high and basically flush with the water surface between the grids. The overflowing pipeline 4 is in a full-flow state, the water flow at the water inlet of the grit chamber 5 is basically symmetrical, and the water flow of the first chamber body 53 and the second chamber body 54 has no obvious drift phenomenon.
Flow rate (Q16.50 m)3And/s) under the working condition, the water diversion channel box 1 is open flow, and the inlet water flow among the grids of the overflowing channel box 2 is basically symmetrical. Influenced by the gradually expanding section of the inlet between the grids, and the part has slight open-flow shock waves. The grids are in a free flow state, the water flow at the outlet falls, and the water level is reduced. The whole flow-through pipeline 4 is in a full flow state, but the inlet part is in a full-open mixed state, a large amount of gas enters the flow-through pipeline 4 at the middle upper part, and water flows enter the grit chamber 5 to be gathered, rewound and the like. The flow at the inlet of the grit chamber 5 is basically symmetrical, and the water flows of the first chamber body 53 and the second chamber body 54 have no obvious bias flow phenomenon.
In addition, the water flow in the grit chamber 5 is in an obvious rotational flow state, the peripheral rotational flow speed is high, the central speed is low, the actually measured central flow speed is less than 0.5m/s, the silt sedimentation is facilitated, and the water flow symmetry of the first tank body 53 and the second tank body 54 is improved to a certain extent.
Under the condition of the test working condition and water depth, the energy dissipation of the upper falling water flow is sufficient, so that the obvious pressure fluctuation of the lower part of the vertical shaft and the deep tunnel is avoided. The pressure of the lower part of the vertical shaft and the deep tunnel is basically in a static pressure distribution characteristic and is increased along with the increase of the depth of the water submerged by the vertical shaft. Under the working condition of large submergence, the deep tunnel of the tunnel is basically free of air intake phenomenon, and the flow velocity of water flow is small, so that the pressure distribution of a tunnel bottom plate and the bottom of the tunnel is uniform, and the change is gentle.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A drainage pretreatment connecting device is characterized by comprising a water diversion canal box (1), a grid (22), a surging canal box (2), a flow dropping box (3), a flow passing pipeline (4) and a grit chamber (5);
the water diversion channel box (1) is provided with a water inlet (11) for water flow in the tunnel and a water outlet (12) for water flow out, the water inlet (21) of the water crossing channel box (2) is communicated with the water outlet (12) of the water diversion channel box (1), and the water diversion channel box (1) is used for guiding the water flow in the tunnel into the water crossing channel box (2); the grating (22) is used for filtering the water flow entering the surge canal box (2);
a water inlet (31) of the drop box (3) is communicated with a water outlet (23) of the overflow channel box (2), a water outlet (32) of the drop box (3) is communicated with an inlet (41) of the overflow pipeline (4), and an outlet (42) of the overflow pipeline (4) is communicated with a water inlet (51) of the grit chamber (5), so that water flow filtered by the overflow channel box (2) flows into the grit chamber (5) through the drop box (3) and the overflow pipeline (4) in sequence;
overflowing pipeline (4) for certainly delivery port (32) that fall flowing case (3) to the snakelike structure that forms is buckled to extend in water inlet (51) of grit chamber (5), just the department of buckling of overflowing pipeline (4) is the arc, the contained angle that the department of buckling of overflowing pipeline (4) formed is greater than 90.
2. The joining device for drainage pretreatment according to claim 1, wherein the flow passage pipe (4) has at least two bends, and the two adjacent bends have opposite bending directions.
3. The splicing apparatus for drain pretreatment according to claim 2, wherein said bend forms an included angle of 120 ° or more.
4. A drainage pretreatment connection device according to any one of claims 1 to 3, characterized in that the drop box (3) is located above the grit chamber (5) and the central axis of the drop box (3) along its length direction coincides with the central axis of the water inlet (51) of the grit chamber (5).
5. The drain pretreatment joining device according to claim 1, wherein the penstock box (1) includes a first penstock box (13) and a second penstock box (14) communicating with the first penstock box (13);
the inlet of the first water guide box (13) is formed into the water inlet (11), the inlet of the second water guide box (14) is communicated with the outlet of the first water guide box (13), and the outlet of the second water guide box (14) is formed into the water outlet (12).
6. The joining device for pretreatment of drainage according to claim 5, wherein said second water introducing tank (14) is trumpet-shaped, and said trumpet-shaped narrow end is communicated with said first water introducing tank (13), and said trumpet-shaped wide end is communicated with said piping box (2).
7. The drain pretreatment adapter device according to claim 1, wherein a first tank body (53) and a second tank body (54) are disposed in the grit chamber (5), the first tank body (53) and the second tank body (54) are separated by a partition plate (55), and the partition plate (55) extends from a water inlet (51) near the grit chamber (5) to a water outlet (52) near the grit chamber (5) so that the water flows through the overflow pipe (4) into the first tank body (53) and the second tank body (54), respectively, the first tank body (53) has a first water outlet, and the second tank body (54) has a second water outlet.
8. The joining device for drain pretreatment according to claim 7, characterized in that the inlet (51) of the sand-sinking mouth (5) is trumpet-shaped, and the narrow end of the trumpet-shaped is close to the overflow pipe (4) and connected with the outlet (42) of the overflow pipe (4).
9. A deep and shallow drainage connection system, comprising a shaft and the drainage pretreatment connection device according to any one of claims 1 to 8; and a water outlet (52) of the grit chamber (5) is communicated with a water inlet of the vertical shaft.
10. The deep and shallow drainage connection system of claim 9, wherein a plurality of baffles are arranged in the shaft, and the baffles are arranged at intervals along the height direction of the shaft;
one end of the baffle plate is connected with the inner wall of the vertical shaft, and a gap through which water can flow is formed between the other end of the baffle plate and the inner wall of the vertical shaft; two adjacent baffles are oppositely arranged.
CN202110673609.5A 2021-06-17 2021-06-17 Drainage pretreatment linking device and deep and shallow layer drainage linking system Pending CN113529893A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202110673609.5A CN113529893A (en) 2021-06-17 2021-06-17 Drainage pretreatment linking device and deep and shallow layer drainage linking system
CN202111352937.1A CN114016585B (en) 2021-06-17 2021-11-16 Drainage pretreatment linking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110673609.5A CN113529893A (en) 2021-06-17 2021-06-17 Drainage pretreatment linking device and deep and shallow layer drainage linking system

Publications (1)

Publication Number Publication Date
CN113529893A true CN113529893A (en) 2021-10-22

Family

ID=78125066

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202110673609.5A Pending CN113529893A (en) 2021-06-17 2021-06-17 Drainage pretreatment linking device and deep and shallow layer drainage linking system
CN202111352937.1A Active CN114016585B (en) 2021-06-17 2021-11-16 Drainage pretreatment linking device

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202111352937.1A Active CN114016585B (en) 2021-06-17 2021-11-16 Drainage pretreatment linking device

Country Status (1)

Country Link
CN (2) CN113529893A (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202181584U (en) * 2011-01-13 2012-04-04 王丹 Pipe with inner serpentine passage
CN104727430B (en) * 2015-03-20 2017-01-18 昆明群之英科技有限公司 Spiral-flow type drainage converging device for building
FR3038923B1 (en) * 2015-07-16 2019-06-14 Ineautec Sas Suivi Par Laurent Auroy TOTAL DRAINING HUNTING DEVICE FOR SOLIDARIZABLE WEIGHT TRIPPING BUFFER TANK AND VARIABLE IMMERSION FLOAT
CN106968315B (en) * 2017-04-26 2019-01-29 河海大学 Turbofan shape is classified drop type vertical shaft
CN107642143B (en) * 2017-09-25 2019-02-01 水利部交通运输部国家能源局南京水利科学研究院 A kind of formula that falls into access city deep layer drainage system becomes a mandarin silo system
CN110080368A (en) * 2019-06-03 2019-08-02 福建亚通新材料科技股份有限公司 A kind of high-rise draining bend pipe

Also Published As

Publication number Publication date
CN114016585A (en) 2022-02-08
CN114016585B (en) 2023-10-31

Similar Documents

Publication Publication Date Title
CN110478977B (en) Spiral flow is from arranging husky formula desilting filtering ponds
Heydari et al. The effect angle of baffle on the performance of settling basin
CN113529893A (en) Drainage pretreatment linking device and deep and shallow layer drainage linking system
Yun et al. A numerical study for optimum design of dust separator screen based on coanda effect
CN219231520U (en) Soil and water conservation sand basin
CN110378024B (en) Method for manufacturing dry construction conditions of river channel by using siphon type construction guide pipe
CN115569415A (en) Closed pressure cyclone sand setting device
CN206063872U (en) A kind of immersion settler and settling system
CN210159322U (en) Fine grid and rotational flow grit chamber of sewage plant
CN212651397U (en) Three-dimensional inclined plate purification device and sedimentation tank with same
CN203498994U (en) Eccentric sand-glass type diversion channel
CN209475773U (en) A kind of fish gill formula dynamic continuously filters setting pot
CN221372403U (en) Stainless steel floor drain structure
CN220877853U (en) Desilting pond structure convenient to desilting
Townsend et al. Performance of model storm sewer junctions
CN212742838U (en) Be used for dirty mixed flow pipeline diverging device of rain
CN220758091U (en) Sedimentation tank
KR101363261B1 (en) Dam Having Forebay
AU2021223691B2 (en) An inlet module for a separator, a separator and a method of manufacturing a separator
CN108221885B (en) Overflow pool for duct
CN214105939U (en) Large-flow continuous slag-water separation device
CN219196188U (en) Water-saving sand-returning wastewater drainage canal of filter tank system
CN216653506U (en) Water distribution device of sedimentation tank
CN220580106U (en) Efficient sand-proof and floater-proof water taking device
CN219327046U (en) Pump station goes out water pond structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20211022