CN214497405U

CN214497405U - Inverted siphon structure for canal

Info

Publication number: CN214497405U
Application number: CN202120434673.3U
Authority: CN
Inventors: 陈鸿艺; 俞轩; 章学良
Original assignee: Shanghai Chuanhe Water Conservancy Planning And Design Co ltd
Current assignee: Shanghai Chuanhe Water Conservancy Planning And Design Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-10-26
Anticipated expiration: 2031-02-26

Abstract

The application relates to the technical field of hydraulic engineering, in particular to an inverted siphon structure for a canal, which comprises a sewage blocking well, wherein a water inlet is formed in the outer side wall of the top of the sewage blocking well, an inverted siphon is connected to the outer side wall of the bottom of the sewage blocking well, a sludge box is arranged at the bottom of the sewage blocking well, an opening is formed in the top of the sludge box and faces upwards, the sludge box is connected with the sewage blocking well in a sliding mode in the vertical direction, and the sludge box is located below the water inlet; the outer side wall of the sludge box is attached to the inner wall of the trash-blocking well, a water outlet is formed in the outer side wall of the sludge box and communicated with a inverted siphon, and a first trash rack covers the water outlet. This application helps improving the comparatively trouble problem of impurity clearance.

Description

Inverted siphon structure for canal

Technical Field

The application relates to the technical field of hydraulic engineering, in particular to an inverted siphon structure for a canal.

Background

When the channel is close to the road or ditch in elevation and is at a level crossing, a structure is required to be built to allow water to pass through the road or ditch, and the structure is generally called an inverted siphon structure.

The inverted siphon structure of the river channel in the related art generally comprises a water inlet section, an inverted siphon and a water outlet section which are sequentially connected, wherein the water inlet section generally comprises a sand basin, a water inlet and a trash rack which are sequentially connected, the trash rack is arranged on the trash rack, and the trash rack is communicated with the inverted siphon; the water outlet section comprises a stilling pool and a gate preset in the stilling pool, one end of the stilling pool is communicated with the inverted siphon, and the other end of the stilling pool is provided with a water outlet. The conveyed water flows in from the water inlet and flows out from the water outlet through the inverted siphon pipe.

To the correlation technique among the above-mentioned, above-mentioned structure is at the in-process of in-service use, and when impurity in the trash rack is more, need artifical entering trash rack and trash rack in to the impurity clearance, it is comparatively troublesome to clear up impurity.

SUMMERY OF THE UTILITY MODEL

In order to improve the comparatively troublesome problem of impurity clearance, this application provides a canal inverted siphon structure.

The application provides a canal inverted siphon structure adopts following technical scheme:

an inverted siphon structure of a canal comprises a sewage blocking well, wherein a water inlet is formed in the outer side wall of the top of the sewage blocking well, an inverted siphon is connected to the outer side wall of the bottom of the sewage blocking well, a sludge box is arranged at the bottom of the sewage blocking well, an opening is formed in the top of the sludge box and faces upwards, the sludge box is connected with the sewage blocking well in a sliding mode in the vertical direction, and the sludge box is located below the water inlet; the outer side wall of the sludge box is attached to the inner wall of the trash-blocking well, a water outlet is formed in the outer side wall of the sludge box and communicated with a inverted siphon, and a first trash rack covers the water outlet.

Through adopting above-mentioned technical scheme, the aquatic impurity that is located in blocking the dirty well can subside to the mud box, when needs clearance impurity, can take out the mud box from blocking the dirty well with the help of the instrument, then adopts high-pressure rivers to clear up the impurity in the mud box to the completion is to the clearance of the impurity in blocking the dirty well, helps improving the comparatively troublesome problem of impurity clearance.

Optionally, the bottom of the sludge box is also provided with a cleaning port.

Through adopting above-mentioned technical scheme, when adopting high-pressure rivers to clear up impurity in the mud box, the water after the clearance can be followed the direct outflow of clearance mouth, is convenient for to the clearance of impurity in the mud box.

Optionally, the opening of the sludge box is covered with a second trash rack, and the mesh number of the second trash rack is smaller than that of the first trash rack.

Through adopting above-mentioned technical scheme, the impurity that the second trash rack can be greater granule filters off to reduce the velocity of flow phenomenon that great granule impurity blockked up first trash rack and influence water.

Optionally, a closed supporting frame is arranged on the inner wall of the top of the sludge box along the periphery of the inner wall, and the bottom surface of the second trash rack abuts against the top surface of the supporting frame; the first trash rack is detachably connected with the sludge box.

Through adopting above-mentioned technical scheme, first trash rack is all detachable with the second trash rack to change the trash rack of other mesh numbers, help improving the filter effect to water, thereby reduce the phenomenon that impurity blockked up the siphon.

Optionally, the inside wall of blocking the dirty well is opened along vertical direction has the spacing groove, be equipped with the slider with the spacing groove adaptation on the lateral wall of mud box, the slider is located the spacing inslot and slides along vertical direction and spacing groove and is connected.

Through adopting above-mentioned technical scheme, when the slider cunning shifted to offset with the diapire of spacing groove, the outlet aligns with the inverted siphon to be convenient for put back the mud box and block the interior back outlet of dirty well and align with the inverted siphon.

Optionally, the bottom wall in the sludge box is connected with a pull rod, the pull rod is arranged in the vertical direction, and the top end of the pull rod is located at the top of the trash rack.

Through adopting above-mentioned technical scheme, operating personnel can directly pull out in the mud box will block the dirty well through the pull rod is direct to be convenient for clear up impurity.

Optionally, the top of mud box is equipped with a plurality of anchor rods, and is a plurality of anchor rod evenly distributed along the circumference of pull rod, each the anchor rod is kept away from the one end of mud box and is all connected with the pull rod.

Through adopting above-mentioned technical scheme, the joint strength between tie rod and the mud box can be improved to the anchor strut.

Optionally, the top end of the pull rod is hinged with a hanging ring.

Through adopting above-mentioned technical scheme, if meet the manpower and can't pull out the mud box, but use tools adopts rings to pull out the mud box to be convenient for pull out the mud box.

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

1. impurities in water in the trash rack can settle into the sludge box, when the impurities need to be cleaned, the sludge box can be taken out of the trash rack by means of a tool, and then the impurities in the sludge box are cleaned by high-pressure water flow, so that the impurities in the trash rack are cleaned, and the problem of troublesome cleaning of the impurities is solved;

2. the second trash rack can filter out larger particles of impurities, so that the phenomenon that the larger particles of impurities block the first trash rack to affect the flow speed of water is reduced;

3. if meet the manpower and can't pull out the mud box, but use tools adopts rings to pull out the mud box to be convenient for pull out the mud box.

Drawings

Fig. 1 is a sectional view of an inverted canal siphon structure according to an embodiment of the present invention.

Fig. 2 is a sectional view showing a connection relationship between a trash rack and a sludge box according to an embodiment of the present application.

FIG. 3 is a sectional view showing a connection relationship between a carrying frame and a sludge box according to an embodiment of the present application.

Description of reference numerals: 1. a water inlet section; 11. a water inlet pipe; 12. a desilting pool; 13. a trash rack; 131. a water inlet; 2. a siphon pipe is inverted; 3. a water outlet section; 31. a stilling pool; 32. a gate; 33. a water outlet pipe; 4. a river channel; 5. a well cover; 6. a sludge box; 61. an opening; 62. a water outlet; 63. cleaning the opening; 7. a first trash rack; 8. a frame; 9. a bolt; 10. a pull rod; 14. a hoisting ring; 15. a limiting groove; 16. a slider; 17. a support frame; 18. a second trash rack; 19. a sub-trash rack; 20. and a reinforcing rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a canal inverted siphon structure, which is arranged below a canal 4. Referring to fig. 1, the inverted siphon structure of the canal comprises a water inlet section 1, an inverted siphon 2 and a water outlet section 3 which are connected in sequence, wherein the water inlet section 1, the inverted siphon 2 and the water outlet section 3 are all located below the surface of the canal 4. The water inlet section 1 comprises a water inlet pipe 11, a sand basin 12 and a trash holding well 13 which are sequentially connected, a water inlet 131 is formed in the top of the trash holding well 13, the water inlet 131 is communicated with the sand basin 12, the bottom surface of the sand basin 12 is located below the water inlet 131, and the bottom of the trash holding well 13 is communicated with one end of the inverted siphon 2. The water outlet section 3 consists of a stilling pool 31 and a gate 32 preset in the stilling pool 31, one end of the stilling pool 31 is communicated with the other end of the inverted siphon 2, and the other section of the stilling pool 31 is connected with a water outlet pipe 33.

Referring to fig. 2, the top end of the trash rack 13 is covered with the well lid 5, the bottom in the trash rack 13 is provided with the sludge box 6, the top end of the sludge box 6 is provided with the opening 61, and the opening 61 faces upwards. The top of mud box 6 is located the below of water inlet 131, and the lateral wall of mud box 6 and the inner wall laminating of trash rack 13, mud box 6 slide along vertical direction and trash rack 13 and be connected. The bottom of the sludge box 6 is provided with a water outlet 62, the water outlet 62 is communicated with the inverted siphon 2, and the water outlet 62 is covered with the first trash rack 7. The first trash rack 7 is positioned in the sludge box 6, and the edge of the first trash rack 7 is fixedly connected with a closed frame 8. A plurality of bolts 9 are connected to the frame 8, and each bolt 9 penetrates through the first trash rack 7 to be connected with the sludge box 6 in a threaded mode.

The bottom of the sludge box 6 is also provided with a cleaning port 63, and the bottom wall in the sludge box 6 is fixedly connected with a pull rod 10. The axis of pull rod 10 is located the central point of the interior diapire of mud box 6 and puts, and pull rod 10 sets up along vertical direction, and the top of pull rod 10 is laminated with the bottom surface of well lid 5, and pull rod 10's top still articulates there is rings 14 simultaneously. In the process of water transmission, part of impurities in water can be deposited in the sludge box 6, and large impurities in water can be filtered out by the first trash rack 7; when sludge in the trash rack 13 needs to be cleaned, the well cover 5 is firstly opened, the sludge box 6 is pulled out of the trash rack 13 through the pull rod 10, then impurities in the sludge box 6 and on the first trash rack 7 are cleaned through high-pressure water flow, and cleaned water flows out of the cleaning opening 63; if the sludge box 6 cannot be pulled out by manpower, the sludge box 6 can be pulled out by a tool through the hanging ring 14.

In order to facilitate the sludge box 6 to be placed back into the trash rack 13 and then the water outlet 62 is aligned with the inverted siphon 2, referring to fig. 3, the inner wall of the trash rack 13 is vertically provided with a limiting groove 15, and the outer side wall of the sludge box 6 is fixedly connected with a sliding block 16 matched with the limiting groove 15. The slide block 16 is positioned in the limiting groove 15, and the slide block 16 is connected with the limiting groove 15 in a sliding mode along the vertical direction. With reference to FIG. 2, when the slider 16 is slid against the bottom wall of the retaining groove 15, the drain port 62 is aligned with the port of the inverted siphon tube 2.

Referring to fig. 3, a closed support frame 17 is fixedly connected to the inner wall of the top of the sludge box 6 along the periphery thereof, a second trash rack 18 is connected to the top surface of the support frame 17, and the top surface of the support frame 17 abuts against the bottom surface of the second trash rack 18. The second trash rack 18 can cover the opening 61 of the sludge box 6, and the mesh number of the second trash rack 18 is smaller than that of the first trash rack 7 in combination with fig. 2. The second trash rack 18 is composed of two identical semicircular sub-trash racks 19, and the tie rods 10 pass through the two sub-trash racks 19. The second trash rack 18 may trap larger particles of impurities such as: aquatic plants, floating trees and the like can reduce the influence of larger particles on the water conveying speed caused by the blockage of the first trash rack 7 by impurities.

Referring to fig. 3, in order to improve the connection strength between the sludge box 6 and the pull rod 10, a plurality of reinforcing rods 20 are further connected to the top end of the sludge box 6, the reinforcing rods 20 are uniformly distributed along the circumferential direction of the pull rod 10, one end of each reinforcing rod 20 is fixedly connected with the sludge box 6, the other end of each reinforcing rod 20 is fixedly connected with the pull rod 10, and meanwhile, two sub-trash racks 19 can be taken out from between any two adjacent reinforcing rods 20.

The implementation principle of the inverted siphon structure of the canal in the embodiment of the application is as follows: the transported water firstly enters the sand basin 12 from the water inlet pipe 11, the sand and stone in the water naturally settle in the sand basin 12, and then enters the trash rack 13 from the water inlet 131; after the water is sequentially filtered by the second trash rack 18 and the first trash rack 7, large-particle impurities in the water can be attached to the top surface of the second trash rack 18, and other impurities can be filtered into the sludge box 6; the filtered water is transferred to the stilling pool 31 through the inverted siphon 2 to reduce the flow rate of the water, and then flows out of the water outlet pipe 33.

When impurities such as sludge in the trash rack 13 need to be cleaned, the well cover 5 is firstly opened, the sludge box 6 is pulled out of the trash rack 13 through the hanging ring 14 through manpower or using tools, high-pressure water flow is used for cleaning the impurities in the second trash rack 18, the sludge box 6 and the first trash rack 7, and the cleaned water flows out of the cleaning port 63; after the sludge box 6 is cleaned, the slide block 16 is aligned to the limiting groove 15, the sludge box 6 slides to the bottom of the trash well 13 under the action of gravity, at the moment, the slide block 16 abuts against the bottom wall of the limiting groove 15, and the water outlet 62 is communicated with the inverted siphon 2.

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. The utility model provides a canal inverted siphon structure, includes trash rack (13), the lateral wall at trash rack (13) top is opened has water inlet (131), the lateral wall of trash rack (13) bottom is connected with inverted siphon (2), its characterized in that: a sludge box (6) is arranged at the bottom in the trash rack (13), an opening (61) is formed in the top of the sludge box (6), the opening (61) faces upwards, the sludge box (6) is connected with the trash rack (13) in a sliding mode along the vertical direction, and the sludge box (6) is located below the water inlet (131); the outer wall of mud box (6) and the inner wall laminating of trash-holding well (13), the lateral wall of mud box (6) is opened there is outlet (62), outlet (62) and inverted siphon (2) intercommunication, outlet (62) cover has first trash rack (7).

2. The inverted canal siphon structure according to claim 1, wherein: the bottom of the sludge box (6) is also provided with a cleaning port (63).

3. The inverted canal siphon structure according to claim 1, wherein: the opening (61) of the sludge box (6) is also covered with a second trash rack (18), and the mesh number of the second trash rack (18) is smaller than that of the first trash rack (7).

4. The inverted canal siphon structure according to claim 3, wherein: the inner wall of the top of the sludge box (6) is provided with a closed supporting frame (17) along the periphery of the inner wall, and the bottom surface of the second trash rack (18) is abutted against the top surface of the supporting frame (17); the first trash rack (7) is detachably connected with the sludge box (6).

5. The inverted canal siphon structure according to claim 1, wherein: the inside wall of trash rack (13) is opened along vertical direction has spacing groove (15), be equipped with on the lateral wall of mud box (6) with slider (16) of spacing groove (15) adaptation, slider (16) are located spacing groove (15) and slide along vertical direction and spacing groove (15) and are connected.

6. The inverted canal siphon structure according to claim 1, wherein: the bottom wall in the sludge box (6) is connected with a pull rod (10), the pull rod (10) is arranged along the vertical direction, and the top end of the pull rod (10) is positioned at the top of the trash rack (13).

7. The inverted canal siphon structure according to claim 6, wherein: the top of mud box (6) is equipped with a plurality of strengthening rods (20), and is a plurality of strengthening rod (20) are along the circumference evenly distributed of pull rod (10), each the one end that mud box (6) were kept away from in strengthening rod (20) all is connected with pull rod (10).

8. The inverted canal siphon structure according to claim 6, wherein: the top end of the pull rod (10) is hinged with a hanging ring (14).