CN206174104U

CN206174104U - Overflow well

Info

Publication number: CN206174104U
Application number: CN201621261585.3U
Authority: CN
Inventors: 孙健
Original assignee: Shenzhen Forest Landscape Engineering Co Ltd
Current assignee: Shenzhen Forest Landscape Engineering Co Ltd
Priority date: 2016-11-12
Filing date: 2016-11-12
Publication date: 2017-05-17
Anticipated expiration: 2026-11-12

Abstract

The utility model discloses an overflow well, its technical scheme main points include the well physically, the well body is provided with overflow pipe, collecting fitting and the pipe that dams, still includes upper and lower sliding connection in the orificial flashboard of overflow pipe, the flashboard be connected with one when positive surge to overflow pipe is high the delay open the headstock gear of flashboard, the utility model discloses have and reduce the water that flows out in the overflow pipe, to the effect of river water matter influence.

Description

Overflow well

Technical field

This utility model is related to a kind of cities and towns discharge drainage facility, and more specifically it is related to a kind of overflow well.

Background technology

Overflow well is a kind of drainage inspection well, is generally present in interceptive combined system drainage system and municipal sewerage engineering pump Stand in system, the function with control water flow.

Process load of the inflow for being disposed to control combined sewage of overflow well less than sewage treatment plant.Shutoff type Combined drainage system be border on the river bank build the main that dams, while interflow main intersect with the main that dams before or phase Overflow well is set at friendship, and Sewage Plant is set in main downstream of damming.All sewage are all discharged and deliver to dirt when fine day and first rainfall Water factory, Jing after processing water body is entered, and with the increase of rainfall, rainfall runoff also increases, and is cut when the flow of combined sewage exceedes After the hydrophobic ability of pipe that drains off, just there are part combined sewage Jing overflow pipes to overflow, in being directly discharged into river.

At present, notification number discloses a kind of rotational flow grit type overflow well, including water inlet for the Chinese patent of CN202324177U Pipe, eddy flow baffle plate, overflow pipe, multistage inclination drop platform, overflow well well body and intercepting sewer, described overflow well well body is cylinder Shape, bottom side is provided with multistage inclination drop platform, and water inlet pipe is arranged on overflow well well body side, tangent with overflow well well body；Institute It is arc-shaped to state eddy flow baffle plate, and in overflow well well body, upper end flushes with overflow well well body top, and lower end is higher than multistage inclination Drop platform, the space connected by two bottoms are divided into inside overflow well well body, sediment by rotational flow area and free sedimentation area, eddy flow gear Plate one end is tangent with water inlet pipe；Overflow pipe is diametrically mounted to overflow well well body opposite side, parallel with water inlet pipe, be highly less than into Water pipe；Intercepting sewer is diametrically mounted to overflow well well body side, axially vertical with water inlet pipe, and intercepting sewer is highly less than overflow pipe, The minimum point of intercepting sewer is higher than the multistage peak for inclining drop platform.

Above-mentioned overflow well is similar in prior art,, in rainfall, rainfall runoff increases for it, and the flow of sewage exceedes and dams As long as, higher than after overflow pipe height, overflow pipe discharge unit sewage is to river for the water level of the sewage after the hydrophobic ability of pipe in overflow well In stream；When rainy, rainwash increases so that water level can quickly go up, and now because the water yield is significantly increased, more dirt Overflow well is entered with rainwater；When the full mouth of pipe to overflow pipe of water level, the very big of sewage treatment plant should be flowed into through intercepting sewer A part of sewage enters river from overflow pipe, and larger pollution is caused to river.

Utility model content

In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of overflow well, is to reduce to overflow Impact of the sewage flowed out in flow tube to water quality of river.

For achieving the above object, this utility model provides following technical scheme：A kind of overflow well, including well body, it is described Well body is provided with overflow pipe, collecting fitting and intercepting sewer, also including sliding up and down the flashboard that is connected to the overflow pipe mouth of pipe, flashboard connection There is a headstock gear for postponing to open flashboard when water level rises to overflow pipe height.

All pass through intercepting sewer dispatch by adopting sewage when above-mentioned technical proposal, fine day and first rainfall in all collecting fittings To Sewage Plant；And work as the increase of rainfall, rainfall runoff also increases, and the flow of combined sewage exceedes the hydrophobic ability of intercepting sewer Afterwards, the water level in overflow well will rise；And when being generally that impurity is most in sewage when rising at the beginning of water level, because now one As be in the first rain stage, rainwater washes away to ground, the impurity on ground all poured in collecting fitting；Arrange on overflow pipe Flashboard and headstock gear, therefore at the first rain stage, when liquid level is not also very high in overflow well, flashboard makes overflow duct occlusion Obtaining the more first rain sewage of impurity can only flow to sewage treatment plant by intercepting sewer；Only open and close when the water level in overflow well is reached Device opens on flashboard after delayed startup；Compared to the first rain stage in overflow well now, through for a period of time, due to The most pollutant of earth's surface are taken away in rainwash before, therefore now the sewage in overflow well can be totally a lot, now Sewage in overflow well flows out from overflow pipe, compared to directly opening at the beginning, can reduce and enter pollutant in river.

This utility model is further arranged to, and the mouth of pipe both sides of the overflow pipe are provided with positioning edge, and the flashboard is upper and lower Sliding is connected to positioning in.

By adopting above-mentioned technical proposal, flashboard positioning is fixed on along upper, positions edge and flashboard is supported and positioning, lock Plate is opened and closed by the sliding up and down in positioning to the mouth of pipe of overflow pipe.

This utility model is further arranged to：The cross section of the flashboard is arch, the side of the flashboard arc away from Overflow pipe.

By adopting above-mentioned technical proposal, the thickness in the middle part of flashboard is increased, improve the firmness of flashboard so that flashboard In the state of high pressure can still stable sealing be carried out to overflow pipe.

This utility model is further arranged to：The headstock gear includes that two are located at respectively the floating trough of flashboard both sides, set The floating drum that is placed in floating trough and the connecting rod of flashboard is arranged on floating drum and is connected to, the floating groove sidewall is provided with into water seam, institute State the width stitched into water increases upwards along short transverse.

It is arranged in floating trough by adopting above-mentioned technical proposal, floating drum, when the water level in overflow well reaches the height of floating trough When, the water in overflow well is entered in floating trough by entering water seam so that water level rises in floating trough, drives floating drum to rise, on floating drum Rise and drive flashboard to open by connecting rod.It is narrower gap to enter water seam, and the speed that the water of well body is entered in floating trough can be relatively slow, makes The water level obtained in floating trough has certain hysteresis quality relative to the water level in overflow well, plays the effect of time delay；Therefore headstock gear Flashboard can be caused to lag behind water level unlatching；Enter the width of water seam increases along short transverse so that the water level in floating trough, only in water level Enter water when relatively low slow, and work as after the lifting of the height of water level in floating trough, by increasing capacitance it is possible to increase the water level rapid increase in floating trough, Flashboard is opened；Avoid occurring too high water level in overflow well, and to producing higher pressure in pipeline.

This utility model is further arranged to：The headstock gear includes that two are located at respectively the floating trough of flashboard both sides, set The floating drum that is placed in floating trough and the connecting rod of flashboard is arranged on floating drum and is connected to, on the downside of the floating trough blasthole is provided with, The block water plate with the upper and lower sliding of floating drum is provided with the blasthole, the downside of the block water plate arranges jagged.

By adopting above-mentioned technical proposal, when the water level in overflow well reaches blasthole height, the liquid in overflow well Breach between block water plate and blasthole enters floating trough, and the speed that the water of well body is entered in floating trough can be slower so that in floating trough Water level have certain hysteresis quality relative to the water level in overflow well, play the effect of time delay；And with the water level in floating drum Rise, floating drum drives block water plate to rise so that the part that blasthole is blocked by block water plate is fewer and feweri, the speed that liquid is entered in floating trough Degree is more and more faster；After a period of time is postponed so that flashboard can be opened gradually.So that the water level in floating trough is relative to overflow well In water level have certain hysteresis quality, play the effect of time delay.

This utility model is further arranged to：Be provided with runner between the collecting fitting and intercepting sewer, the runner towards The side of overflow pipe is provided with choked flow wall.

By adopting above-mentioned technical proposal, the sewage of collecting fitting can by runner support, the stop of choked flow wall and guiding In flowing rapidly into intercepting sewer, while the impurity in collecting fitting can also follow runner to enter intercepting sewer；So that impurity is difficult in overflow Deposit in pipe.

This utility model is further arranged to：The well body is respectively provided with the periphery of collecting fitting, intercepting sewer, overflow pipe There is ring muscle.

There is the circumferential work strengthened to collecting fitting, intercepting sewer, overflow pipe by adopting the setting of above-mentioned technical proposal, ring muscle With so that collecting fitting, intercepting sewer, overflow pipe are fixed more firm.

In sum, in fine day, the sewage impurity in collecting fitting is entered in intercepting sewer overflow well by runner, and sewage is not Can enter in river；And in the rainy day, by the flashboard on headstock gear Time Delay Opening overflow pipe, in the more first rain rank of impurity Section, sewage directly cannot flow out from overflow pipe so that pollutant are difficult to enter river.

Description of the drawings

Fig. 1 is the cross-sectional schematic of well body in embodiment one；

Fig. 2 is the cross-sectional schematic in portion of going into the well in embodiment one；

Fig. 3 is the structural representation of flashboard and headstock gear in embodiment one；

Fig. 4 is the structural representation of flashboard and headstock gear in embodiment two；

Fig. 5 is the connection diagram of floating drum and block water plate in embodiment two.

Description of reference numerals：1st, well body；2nd, overflow pipe；3rd, collecting fitting；4th, intercepting sewer；5th, runner；6th, choked flow wall；8th, ring Muscle；9th, flashboard；10th, headstock gear；11st, well lid；12nd, floating trough；13rd, floating drum；14th, water seam is entered；15th, blasthole；16th, block water plate； 17th, upper well portion；18th, go into the well portion；19th, connecting rod；20th, edge is positioned.

Specific embodiment

This utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment one, as shown in figure 1, a kind of overflow well, including well body 1, the well body 1 includes being located at the upper well portion 17 of upside With the portion 18 that goes into the well positioned at downside, the cross section in upper well portion 17 is circle, and the upside in upper well portion 17 is provided with concordant with ground Opening, is closed with well lid 11 on opening；When staff overhauls to well body 1, by opening well lid 11, well body 1 is entered into In.

As shown in Figure 1, 2, go into the well portion 18 cross section for square, the bottom in the portion 18 that goes into the well is connected to intercepting sewer 4, closes Flow tube 3 and overflow pipe 2, the outside of intercepting sewer 4, collecting fitting 3 and overflow pipe 2 is provided with the ring muscle 8 for reinforcing；Intercepting sewer 4 It is arranged on the side side wall of the bottom of the portion of going into the well 18, is typically connected with sewage treatment plant；Intercepting sewer 4 collects for convenience sewage, It is highly less than collecting fitting 3 and overflow pipe 2；Collecting fitting 3 is arranged on the side wall adjacent to intercepting sewer 4, and collecting in collecting fitting 3 has Combined sewage, wherein combined sewage generally comprise sanitary sewage and trade effluent, and when the rainy day, rainwater also can through rainwash In entering into collecting fitting 3；The runner 5 of arc is provided between collecting fitting 3 and intercepting sewer 4, the side of runner 5 is towards overflow pipe 2 Side be provided with choked flow wall 6；When the discharge of sewage is less in collecting fitting 3, sewage can be only entered in intercepting sewer 4 along runner 5； And the discharge of sewage than it is larger when, choked flow wall 6 plays the role of stop to the impurity in sewage so that impurity is difficult inner spilling runner 5。

As shown in Figure 1, 2, overflow pipe 2 is arranged on the side wall on the opposite of collecting fitting 3, and the height of overflow pipe 2 is higher than collecting fitting 3 Height, can be discharged among river into the sewage in overflow pipe 2.

As shown in Figure 2,3, the headstock gear for being additionally provided with flashboard 9 and being connected with flashboard 9 on the side wall of the side of overflow pipe 2 10；The mouth of pipe both sides of overflow pipe 2 are provided with positioning along 20, and the both sides of flashboard 9 are plugged in positioning along 20, and are positioning along 20 Sliding up and down, so as to open and close the mouth of pipe of overflow pipe 2；The cross section of flashboard 9 is arch, can improve the firmness at the middle part of flashboard 9, So that flashboard 9 is hardly damaged in the state of high pressure；Headstock gear 10 includes being arranged at floating trough 12, the floating drum 13 of the both sides of flashboard 9 With connecting rod 19, floating drum 13 is connected to the upside of flashboard 9 by connecting rod 19；Floating drum 13 is arranged in floating trough 12, floating trough 12 It is provided with into water seam 14 along short transverse, enter the width of water seam 14 increases upwards along short transverse, enters the width of water seam 14 floating The lower of groove 12 is narrow, therefore floating trough 12 is slower in the digging water speed of lower, water level digging water speed in the lower of floating trough 12 Relatively slow, i.e., when water level is reached at overflow pipe 2, flashboard 9 still close the mouth of pipe of overflow pipe 2, until water is gradually from entering water and stitch 14 Entering causes floating drum 13 to be subject to buoyancy in floating trough 12 increases, and floating drum 13 slowly rises, and drives flashboard 9 to rise, the mouth of pipe of overflow pipe 2 Open；With the effect for postponing to open the mouth of pipe of overflow pipe 2.

As shown in Figure 2,3, when rainy, rainfall runoff increases the opening process of flashboard 9, the combined sewage flow of collecting fitting 3 After more than the hydrophobic ability of intercepting sewer 4, the water level in overflow well will rise；And water level rises to the position at the place of overflow pipe 2 When, state of the overflow pipe 2 due to flashboard 9 in closing, can also rise from water level in overflow well；And work as the water level in overflow well After reaching the height of floating trough 12, the moisture in overflow well is entered in floating trough 12 by entering water seam 14；Opening due to entering water seam 14 It is less, therefore the water level in floating trough 12 has relative hysteresis quality with the water level of overflow well relatively；And the water level worked as in floating trough 12 is held After continuous rising, floating drum 13 is driven connecting rod 19 to rise by buoyancy floating drum 13, and connecting rod 19 drives flashboard 9 to rise, and opens lock Plate 9；Sewage is flowed out in river from overflow pipe 2 after flashboard 9 is opened.

As shown in Figure 2,3, when stopping raining, the run-off of rainwater reduces the closing process of flashboard 9, the hydrophobic stream of intercepting sewer 4 Amount is more than the combined sewage flow of collecting fitting 3, and the water level in overflow well will decline；And in overflow well during water level decreasing, float Water in groove 12 also can flow out from entering in water seam 14；And work as the water level in overflow well less than after the height of floating trough 12, due to entering water seam 14 less spaces, the water level decreasing speed in floating trough 12 can be slower than the speed of overflow well water level decreasing；Therefore floating drum 13 is overflowing Stream Well Water Level has not degraded minimum altitude less than after the height of floating trough 12；Therefore water level of the flashboard 9 in overflow well is less than floating trough After 12 height, additionally it is possible to open a period of time；After the current in floating trough 12 are complete, floating drum 13 drops to the bottom of floating trough 12, flashboard 9 Completely close.

Embodiment two, as shown in Figure 4,5, from the difference of embodiment one be headstock gear 10 structure it is different；Open Device 10 is closed including floating trough 12, floating drum 13 and connecting rod 19, connecting rod 19 is connected with the upside of flashboard 9, and the bottom of floating trough 12 sets Be equipped with blasthole 15, block water plate 16 be provided with blasthole 15, and the downside of block water plate 16 arranges jagged, block water plate 16 it is upper Side is connected with floating drum 13 so that block water plate 16 follows floating drum 13 to move up and down together；After floating drum 13 rises, on block water plate 16 Rise, the part that block water plate 16 is blocked is reduced, the digging water speed of floating trough 12 will be accelerated；And work as floating drum 13 and decline, under block water plate 16 Drop, part that block water plate 16 is blocked increases, and floating trough 12 goes out water speed and will slow down.

Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, it is all in this practicality Within new design concept, any modification, equivalent substitution and improvements made etc. should be included in protection of the present utility model Within the scope of.

Claims

1. a kind of overflow well, including well body (1), the well body (1) is provided with overflow pipe (2), collecting fitting (3) and intercepting sewer (4), It is characterized in that：Also include sliding up and down the flashboard (9) for being connected to overflow pipe (2) mouth of pipe, flashboard (9) is connected with one and works as water level Postpone the headstock gear (10) for opening flashboard (9) when rising to overflow pipe (2) height.

2. overflow well according to claim 1, it is characterised in that：The mouth of pipe both sides of the overflow pipe (2) are provided with positioning Along (20), up and down sliding is connected to positioning in (20) to the flashboard (9).

3. overflow well according to claim 2, it is characterised in that：The cross section of the flashboard (9) be arch, the flashboard (9) side of arc is away from overflow pipe (2).

4. overflow well according to claim 1, it is characterised in that：The headstock gear (10) is located at respectively lock including two The floating trough (12) of plate (9) both sides, the floating drum (13) being arranged in floating trough (12) and it is arranged on floating drum (13) and is connected to flashboard (9) connecting rod (19), floating trough (12) side wall be provided with into water stitch (14), it is described enter water seam (14) width along short transverse Increase upwards.

5. overflow well according to claim 1, it is characterised in that：The headstock gear (10) is located at respectively lock including two The floating trough (12) of plate (9) both sides, the floating drum (13) being arranged in floating trough (12) and it is arranged on floating drum (13) and is connected to flashboard (9) connecting rod (19), is provided with blasthole (15) on the downside of the floating trough (12), be provided with the blasthole (15) adjoint The block water plate (16) of the upper and lower sliding of floating drum (13), the downside of the block water plate (16) arranges jagged.

6. overflow well according to claim 1, it is characterised in that：It is provided between the collecting fitting (3) and intercepting sewer (4) Runner (5), the runner (5) is provided with choked flow wall (6) towards the side of overflow pipe (2).

7. overflow well according to claim 1, it is characterised in that：The well body (1) in collecting fitting (3), intercepting sewer (4), The periphery of overflow pipe (2) is provided with ring muscle (8).