CN202247795U

CN202247795U - Cut-off device of water body

Info

Publication number: CN202247795U
Application number: CN2011203245799U
Authority: CN
Inventors: 谢小明; 黄珍艺; 戴兰华; 刘美龄; 谢小青
Original assignee: GENERAL WATER OF CHINA SEWERAGE TREATMENT (XIAMEN) CO Ltd
Current assignee: GENERAL WATER OF CHINA SEWERAGE TREATMENT (XIAMEN) CO Ltd
Priority date: 2011-08-31
Filing date: 2011-08-31
Publication date: 2012-05-30
Anticipated expiration: 2021-08-31

Abstract

The utility model discloses a cut-off device of a water body, which comprises a dam body, a sand sinking area and a treatment area, wherein the dam body is transversely arranged on a river channel or a ditch, the sand sinking area is arranged on the upstream of the dam body and is adjacent to the dam body, the horizontal plane of the sand sinking area is lower than the position of a river bed, and the treatment area is arranged between the dam body and the sand sinking area and comprises a retaining wall higher than the dam body. An inclined grille is covered at the top end of an area defined by the retaining wall and the dam body, an interception pipeline is arranged under the inclined grille in the treatment area, and a slag-blocking oil-separating plate is further arranged on the periphery of the retaining wall. The cut-off device of the water body does not need any equipment and power and greatly reduces frequency of manually clearing up rubbish, and manual clear-up can be carried out after several weeks on sunny days.

Description

A kind of water body cut-off equipment

Technical field

The utility model technology relates to a kind of water body cut-off equipment, especially relates to cut-off equipments such as a kind of gutter, Bilge, river and power station, riverbed.

Background technology

Existing each small-sized, medium-sized natural flow station, country sewage dams and view dams etc. adopts all that dam dams, the mode of bottom drainage; This mode exists that floor space is big, construction cost is high, drain off floodwaters unfavorable, a large amount of mud and rubbish get into and holds back pipe network; Cause the pipe network burden; Problems such as clear sand of pipe network and cleaning difficulty; Mechanical grille and clear husky equipment also need salvaged and dispose to rubbish after getting into the factory station again, therefore be badly in need of small-sized, efficient, economical, manage simple cut-off equipment, the present invention studies for overcoming the above problems.Because traditional river closure design only adopts vertical mounting means or mechanical grille, therefore need to adopt manpower or electric power in time to clear up, otherwise be prone to cause that rubbish stops up, the pipe network inner product is husky to be increased with sludge volume, clears up frequently, difficult, influences and dams or cause overflow.

The utility model content

The purpose of the utility model technology is to solve the problems of damming such as gutter, Bilge, each exit or entrance of a clitch, river and power station, riverbed; A kind of efficient, economic, practical, reliable stopped flow technique is provided; Has automatic cleaning part rubbish, mud; Cleaning operation is convenient, clearance time long, do not influence advantage such as drain off floodwaters, and is particularly suitable for that each exit or entrance of a clitch sewage dams and power station, riverbed dam project.

The utility model technical scheme is following:

A kind of water body cut-off equipment comprises:

One dam body, said dam body laterally are located on river course or the irrigation canals and ditches;

One is located at the dam body upper reaches desilting zone adjacent with dam body, and the horizontal plane of said desilting zone is lower than the position, riverbed;

One is located at the treatment region between dam body and the desilting zone, and said treatment region comprises that one is higher than the barricade of dam body, and the regional top that said barricade and said dam body surround is coated with oblique grid, and in this treatment region, tiltedly the vertical lower of grid is provided with and holds back pipeline; Wherein, the periphery of said barricade also is provided with the pushing off the slag oil separating plate one.

In a preferred embodiment of the utility model, the direction of said oblique grid is vertical with the dam body length direction.

In a preferred embodiment of the utility model, the angle of said oblique grid and horizontal plane is the 10-20 degree.

In a preferred embodiment of the utility model, the distance between any two of said oblique grid is 10-20mm, and tiltedly the length of grid is 300-1000mm.

In a preferred embodiment of the utility model, said dam body bottom is provided with the row's sand tube that is communicated with downstream and desilting zone.

In a preferred embodiment of the utility model, the spacing of said oblique grid and pushing off the slag oil separating plate is 300-5000mm.

In a preferred embodiment of the utility model, the length of said desilting zone is greater than 3m.

In a preferred embodiment of the utility model, the length of said desilting zone is 4m-15m.

In a preferred embodiment of the utility model, the degree of depth of said desilting zone is 1m-3m.。

The complete solution that the utility model river closure mode provides comprises desilting, oil removal, removal suspension and floating refuse, grid four parts, adopts current to wash grid automatically, need not additionaling power, is a kind of brand-new, practical stopped flow technique.

Compared with prior art, the beneficial effect of the utility model is:

1, need not to dispose any equipment and power, and greatly reduce the frequency of labor cleaning's rubbish, but fine day carries out the labor cleaning several weeks again.

2, utilize riverbed or ditch interruption-forming settling zone,, compare with existing dam body in the design most of inorganic particle deposition; As increasing row's sand tube or blow-down pipe in the dam body bottom; When needs row is husky, end sand excluding valve is opened, because hydraulic action, the bottom beach volleyball does not have aqua region to downstream; When sand hardens in the bottom, need to increase recoil water and arrange sand.Or make blow-down pipe usefulness, and after the emptying, getting into and carry out husky clearly, desilting in the pond, more convenient safety when husky clearly can be carried out the large tracts of land dredging operation, and speed is significantly accelerated.

3, before intercepting sewer, increase by one oil separating plate, avoid floating refuse and greasy dirt to get into pipe network.

4, before the pipe duct that dams, increase by one enclosure wall, increase area of passage, reduce water body overcurrent speed, guarantee the desilting effect, prevent that floating refuse from getting into the pipe duct that dams.

5, change the vertical grid of installing of tradition into level side and put, and Parallel to the flow direction is slightly downward-sloping, the inclination angle is controlled at about the 10-20 degree; Because most of rubbish is tackled by oil separating plate; This grid is only tackled suspension rubbish, can select the less grid in gap for use, and grid grid crack is controlled at 10-20mm; Or adopt multistage grid crack grid layered arrangement as required, reach requirements at the higher level.

6, head loss is little, does not take intercepting drain or the river course space of drainning off floodwaters basically, just holds back the darker section that dams of excavation in ditch or the riverbed original.When flood takes place when, only be slightly larger than the pipeline maximum stream flow owing to calculate the area of passage of the pipe duct that dams, oil separating plate and grid are crossed in water logging; Fritter rubbish blocks grid very soon; Form a plane, flood no longer gets into pipe network, and big rubbish is under the flood effect; Basically do not stay on the grid, flow into downstream and realize drainning off floodwaters automatically and arranging the rubbish function.

7, flood only need artificially be cleared away reason with bamboo rake or bamboo later because rubbish all is trapped on the water surface grid, and garbage-cleaning is convenient, just can recover normal operation.

8, be beneficial to the situation inspection of damming, statistical correlation data.

Description of drawings

Fig. 1 is the plan structure sketch map of the utility model;

Fig. 2 is one of the utility model side sectional structure sketch map, the A-A direction of Fig. 1;

Fig. 3 is two of the utility model side structure sketch map, the B-B direction of Fig. 1.

The specific embodiment

Referring to figs. 1 to Fig. 3, the utility model is described in detail.

A kind of water body cut-off equipment comprises:

One dam body 3, it laterally is located on river course or the irrigation canals and ditches 1, and the upper surface of dam body 3 is lower than waterline b; 2 dam bodys adopt barnacle piece or mixed clay structure, and the dam body and the canal thickness that dams should meet the requirement of drainning off floodwaters.

One desilting zone 2 is adjacent with dam body 3, is located at dam body 3 upper reaches, and said desilting zone is that position, riverbed a-a digs a degree of depth h downwards and forms, and desilting zone is big as far as possible, helps management, can reduce the frequency of clear rubbish, clear sand.In the present embodiment, the degree of depth h of this desilting zone is 1.5m, and length is about 5m.

Be provided with barricade one at the upper reaches of dam body 3, this barricade comprises barricade parallel with dam body 8 and the barricade 9 vertical with dam body.Barricade 8 also is provided with pushing off the slag oil separating plate 5 with 9 periphery, and this pushing off the slag oil separating plate 5 is from the about 1.5m of barricade.

Barricade 8 and 9 height all are higher than dam body 3, and this

barricade

8,9 and dam body 3 surround a regional A, and the end face of this zone A covers oblique grid 4; This oblique grid 4 has many; Arrangement parallel to each other, every oblique grid 4 tilts to extend downward the top of dam body 3 from the top of barricade 8, and the inclination angle is controlled at about 15 degree.Because by the interception of pushing off the slag oil removal 5 plates, tiltedly grid is only tackled suspension rubbish to most of rubbish, therefore can select the less grid in gap for use, grid grid crack is controlled at about 10mm.Flase floor adopts 304 stainless steel flase floors or zinc-plated flase floor, and selects suitable grid crack and grid length according to the requirement of damming, as selects for use smooth bar or carbon steel sheet as grid, should perform anticorrosion.

In the A of zone, tiltedly the vertical lower of grid is provided with and holds back pipeline 6, and this is held back pipeline 6 and is located at river bank side, and is parallel with the dam body direction; The dam body bottom is provided with the row's sand tube 7 that is communicated with downstream and desilting zone.

During normal the use, the current that carry silt and floating refuse get into desilting zone 2, and current slow down; Sediment deposition gets off, and afterwards, big showy rubbish is stopped by pushing off the slag oil separating plate 5; Current pass through under pushing off the slag oil separating plate 5; Get into regional A from

barricade

8,9 tops again, this moment, little rubbish was stopped that by oblique grid 4 last treated current flow away from hold back pipe 6.

Rubbish on pushing off the slag oil separating plate 5 and the oblique grid 4 not timing cleaning according to circumstances gets final product.

An above-mentioned specific embodiment that is merely the utility model; But the design concept of the utility model is not limited thereto, and the utility model can also have some distortion, for example: hold back a mouthful design and can be round or square; Directly apply in the pond of damming of having built up; Or increase electric device or back purge system, or adopt multi-layer gate crack grid to arrange, better to be filtered the effect etc. of damming.Allly utilize this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.

Claims

1. a water body cut-off equipment is characterized in that, comprising:

2. a kind of water body cut-off equipment as claimed in claim 1 is characterized in that: the angle of said oblique grid and horizontal plane is the 10-20 degree.

3. a kind of water body cut-off equipment as claimed in claim 1, it is characterized in that: the direction of said oblique grid is vertical with the dam body length direction.

4. according to claim 1 or claim 2 a kind of water body cut-off equipment, it is characterized in that: the distance between any two of said oblique grid is 10-20mm, tiltedly the length of grid is 300-1000mm.

5. a kind of water body cut-off equipment as claimed in claim 1 is characterized in that: said dam body bottom is provided with the row's sand tube that is communicated with downstream and desilting zone.

6. a kind of water body cut-off equipment as claimed in claim 1 is characterized in that: the spacing of said oblique grid and pushing off the slag oil separating plate is 300-5000mm.

7. a kind of water body cut-off equipment as claimed in claim 1, it is characterized in that: the length of said desilting zone is greater than 3m.

8. a kind of water body cut-off equipment as claimed in claim 1 is characterized in that: the length of said desilting zone is 4m-15m.

9. a kind of water body cut-off equipment as claimed in claim 1 is characterized in that: the degree of depth of said desilting zone is 1m-3m.