Floater catching apparatus
The present invention relates to rainwater preconditioning technique field, in particular to a kind of floater catching apparatus.
With the fast development of urbanization, the non-point pollution as caused by rainfall runoff is increasingly becoming urban water-body pollutant
Important sources.Pollutant in city rainfall runoff is mainly derived from wet deposition and city caused by precipitation elution atmosphere pollution
The leaching of city's impermeable surface pollutant washes away, and the latter accounts for more than the 90% of rainwater runoff pollution thing total amount.Particulate matter is city
The main carriers of city's impermeable surface pollutant, such as：Atmospheric sedimentation, vehicle exhaust, tire wear, Snow Agent, construction site
On the particulate matter such as deposit, solid refuse and percolate contain a large amount of pollutants (COD, nutrients, organic matter, heavy metal,
Pathogen etc.), it finally will all elute in rainwater, be migrated under souring into receiving water body, and its ecological environment be produced tight
Particulate matter in rainfall runoff also results in the rise of receiving water body turbidity, it is generally recognized that particulate matter is composing environment water
The potential component of body water quality deterioration.In addition, particulate matter enters meeting after urban drainage pipeline system under rainfall runoff souring
Deposition is produced in pipeline, forms pipeline sediment pollution and effectiveness factors.
Therefore, rainwater drops to ground and forms runoff, can contain particle and the floating objects such as substantial amounts of silt, if not to rainwater
In particulate matter and floating object carry out intercept process be just exhausted directly to natural water, natural water will be polluted, at present
The disposal options using strainer filtering most to rainwater, rainwater is subjected to simple filtering and pre-processed, but this strainer filtering
Mode can be brought the problem of a lot：1st, filter screen may block, and hinder the discharge of rainwater to cause the waterlogging in city.2nd, floating object blocks
Do not collected but after cutting, cleaning is inconvenient.
The content of the invention
Present invention aim to solve the deficiency of above-mentioned background technology, there is provided floating object intercepts dress in a kind of rainwater
Put, the floating object of interception can be collected, and can guarantee that rainwater discharges under big flow rainwater, avoid causing waterlogging.
The technical scheme is that：A kind of floater catching apparatus, including the water inlet pipe of well body and well body front and back end and
Outlet pipe, it is characterised in that also include from the foot wall and opening of the bottom up extension formation of well body one or more facing forward
Filter-screen bag, the Filter-screen bag are located above foot wall, and the foot wall, which is provided with, can make the flexible connection that Filter-screen bag moves up
Structure, the Filter-screen bag lower section are provided with the supporting construction of porous, and the foot wall upper surface is less than or flushed under water inlet pipe
Preferably, the movable connection structure includes rectangular foundation frame corresponding with each Filter-screen bag, the Filter-screen bag opening
It is corresponding to be connected on basic frame, the foot wall upper end be provided with it is corresponding with each basic frame both sides, be open be oppositely arranged it is vertical into
To U-shaped guide groove, the basic frame both sides between corresponding guide groove with being slidably connected.
Further, the basic frame is provided with annular groove, and the Filter-screen bag opening is provided with raised ring edge, institute
State ring edge to be located in annular groove, strip pressing plate is set at the annular groove notch, strip pressing plate is fixed on by bolt
On basic frame.
Further, the basic frame upper end is provided with suspension ring.
Preferably, the supporting construction includes the knee wall positioned at foot wall rear, is set above the foot wall, knee wall
There is web plate, the Filter-screen bag is supported on web plate.
Further, the knee wall laterally sets along well body and is connected with well body both lateral sides；The knee wall upper end
Middle concave part is into side overflow mouth.
Preferably, scum silica frost barricade is provided with front of the foot wall, the scum silica frost barricade is to extend shape from well body top down
Into the scum silica frost barricade lower end is highly between Filter-screen bag upper and lower surface.
Further, the scum silica frost barricade laterally sets along well body and is connected with well body both lateral sides.
Preferably, the foot wall laterally sets along well body and is connected with well body both lateral sides.
Further, when Filter-screen bag is multiple, lateral separation is provided with dividing wall, each Filter-screen bag on the foot wall
Correspond between adjacent banks or close between dividing wall and the well body of well body side.
Preferably, multiple openable well lids are provided with the top of the well body, the well lid is three, is separately positioned on scum silica frost
Directly over barricade front, Filter-screen bag sack and Filter-screen bag rear.
Beneficial effects of the present invention are：
1. floating object is intercepted and collected using Filter-screen bag, Filter-screen bag is one or more, and each Filter-screen bag is independent
Movable connection structure make Filter-screen bag using more efficient, change also very convenient.
2. the mode for employing scum silica frost barricade and Filter-screen bag combination removes floating object, drift also can be effectively intercepted in big flow
Float, while the safety of rainfall flood passage can be ensured.
3. it is simple in construction, it is easy to use, to the floating object of rainwater by way of gravitational settling and floating object intercept combination
Handled with particulate matter, before the pretreatment or storm sewer entered suitable for rainwater before the main pipe of city is discharged to natural water
Brief description of the drawings
Fig. 1 is schematic structural view of the invention (vertical direction)
Fig. 2 is A-A sectional views in Fig. 1
Fig. 3 is enlarged drawing at B in Fig. 1
Fig. 4 is enlarged drawing at C in Fig. 2
Wherein：1. the Filter-screen bag 7. of 5. foot wall of well body 2. water inlet pipe, 3. outlet pipe, 4. scum silica frost barricade 6. is flexibly connected
The bolt of 8. supporting construction of structure, 9. 13. pressing plate of basic 10. guide groove of frame 11. annular groove, 12. ring edge 14.
15. the setscrew of 20. well lid of suspension ring 16. knee wall, 17. web plate, 18. overfall, 19. dividing wall 21..
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As Figure 1-4, floater catching apparatus of the invention, including well body 1 and entering respectively positioned at well body front and back end
Water pipe 2 and outlet pipe 3, the usual height of outlet pipe 3 is is less than or flushed in the height of water inlet pipe 2, and outlet pipe 3 is highly flat in this implementation
Together in the height of water inlet pipe 2；Also include the one or more Filter-screen bags 6 (the present embodiment is two) of foot wall 5 and opening forward, filter
Mesh bag 6 is located at the top of foot wall 5, and foot wall 5, which is provided with, can make the movable connection structure 7 that Filter-screen bag 6 moves up, Filter-screen bag 6
Lower section is provided with the supporting construction 8 of porous；The upper surface of foot wall 5 is less than or flushed in the lower surface of water inlet pipe 2 (the present embodiment basis
The upper surface of wall 5 flushes in the lower surface of water inlet pipe 2), the present invention in front and back end be Fig. 2 in left and right end, both lateral sides be Fig. 2 in up and down
The front of foot wall 5 is provided with scum silica frost barricade 4, and scum silica frost barricade 4 is extends to be formed from well body top down, scum silica frost barricade 4
Lower end is highly between the upper and lower surface of Filter-screen bag 6, and the lower end of scum silica frost barricade 4 is slightly below the upper surface of water inlet pipe 2 in the present embodiment, floats
Slag barricade 4 laterally sets along well body 1 and is connected with the both lateral sides of well body 1.
Foot wall 5 laterally sets along well body 1 and is connected with the both lateral sides of well body 1, the drainage bag 6 when drainage bag 6 is multiple
It is horizontally arranged at interval on foot wall 5 along well body 1.The movable connection structure 7 of drainage bag 6 includes corresponding with each Filter-screen bag 6 each
Rectangular foundation frame 9, basic frame 9 are provided with annular groove 11, and the opening of Filter-screen bag 6 is provided with raised ring edge 12, ring edge
12 in annular groove 11, strip pressing plate 13 is set at the notch of annular groove 11, strip pressing plate 13 is fixed on base by bolt 14
On plinth frame 9, the ring edge 12 of Filter-screen bag 6 is connected on basic frame 9 by the way that bolt 14 and strip pressing plate 13 are corresponding, basic frame 9
Upper end is provided with suspension ring 15.What the upper end of foot wall 5 was provided with that, opening corresponding with each basic both sides of frame 9 be oppositely arranged vertical paired U-shaped leads
To groove 10, it is slidably connected between the basic both sides of frame 9 and corresponding guide groove 10.
When Filter-screen bag 6 is one, the well body 1 that corresponding a pair of U-shaped guide grooves 10 are directly anchored to the upper end of foot wall 5 is horizontal
To on two side, when Filter-screen bag 6 is multiple, lateral separation is provided with dividing wall 19 on foot wall 5, and each Filter-screen bag 6 is corresponding to be located at
Between adjacent banks 19 or close between the dividing wall 19 of well body side and well body 1.Filter-screen bag 6 is two in the present embodiment, basis
It is provided with a stifled dividing wall 19 among wall 5, the paired guide groove 10 of a Filter-screen bag 6 is located at the upper side wall of well body 1 and dividing wall 19
On upper side wall, the paired guide groove 10 of another Filter-screen bag 6 is located in the lower wall of well body 1 and the lower wall of dividing wall 19.Dividing wall
19 height is highly identical with guide groove 10, or can be directed to groove 10 and fix vertically, and guide groove 10 passes through expanding screw
Silk 21 is fixed in the side wall of well body 1 and the side wall of dividing wall 19.
Supporting construction 8 includes the knee wall 16 positioned at the rear of foot wall 5, and knee wall 16 is laterally set along well body 1 and and well
The both lateral sides of body 1 connect, and foot wall 5, the top of knee wall 16 are provided with web plate 17, and web plate 17 is the sieve plate of steel material, foot wall
5th, the upper end of knee wall 16 is respectively equipped with the step surface with the rear and front end form fit of web plate 17, and Filter-screen bag 6 is supported on web plate 17.
The upper center of knee wall 16 is recessed to form side overflow mouth 18, and the upper end level of knee wall 16 is identical with the upper end level of foot wall 5, low
In or flush in the lower surface of water inlet pipe 2, so as to which the lower surface of overfall 18 is less than the lower surface of water inlet pipe 2.
The top of well body 1 is provided with multiple openable well lids 20.The present embodiment well lid 20 is three, is separately positioned on scum silica frost gear
Directly over the front of wall 4, the sack of the Filter-screen bag 6 and rear of Filter-screen bag 6.Well lid directly over the sack of Filter-screen bag 6 need to be arranged to
Well body 1 laterally with width, is easy to basic frame 9 to move up and down and changes Filter-screen bag 6, remaining is arranged to manhole size, gone into the well for worker
Deposition in body cleaning well body.
The operation principle of floater catching apparatus is：
At rainfall initial stage, rainfall is smaller, and rainwater enters storm sewer, then the water inlet pipe for passing through the present apparatus by surface runoff
2 enter inside well body 1, and rainwater, which is first passed through after Filter-screen bag 6 filters, to flow out, and floating object and suspension are just intercepted and collected in filter screen
In bag 6, there is certain flow velocity when passing through due to rainwater, in the presence of current, floating object first rests on the most bottom of Filter-screen bag 6
Portion, then accumulated gradually expansion again, until being full of whole Filter-screen bag 6, thick particle is gathered in the presence of gravitational settling
The bottom of well body 1.Water level rises in the space that lower section foot wall 5, knee wall 16 are formed with the both sides of well body 1 when Filter-screen bag 6 filters, water
Stream can discharge from overfall 18.During fine day, floating object is placed and can fermented for a long time under moist environment in Filter-screen bag 6, is now filtered
The floating object and lower section ponding that water level is flushed in or will collected less than the lower surface of overfall 18, web plate 17 in Filter-screen bag 6 in mesh bag 6
Separate, keep the drying of floating object in Filter-screen bag 6, avoid its fermentation from producing peculiar smell.
When rainfall intensity change is big, due to the limited flow that outlet pipe 3 is discharged, the water level in well body 1 will rise, and work as water
When position is higher than 6 top of Filter-screen bag, now rainwater goes out under the obstruction of scum silica frost barricade 4 from the bottom overflow of scum silica frost barricade 4, floating
Thing has then been blocked in before scum silica frost barricade 4.When rainfall diminishes, liquid level will be gradually reduced, the floating intercepted by scum silica frost barricade 4
Thing is then as current reenter Filter-screen bag 6.If Filter-screen bag 6 be filled floating object can not excessively stream when, rainwater can also be from floating
The bottom overflow of slag barricade 4 and go out, ensure the safety of rainwater discharge-channel, while floating object is also intercepted during overflow.
This device needs periodic maintenance, when needing to safeguard, can open well lid 20, be hooked above well body 1 with suspension hook
Suspension ring 15 on basic frame 9, Filter-screen bag 6 is removed after pull-up, the Filter-screen bag 6 more renewed, then by the basic homing of frame 9, one
As the half a year of Filter-screen bag 6 need update once.
The annual deposition needed to the bottom of well body 1 carries out cleaning and maintenance, when safeguarding, and first opens well lid 20, takes out
Filter-screen bag 6, open web plate 17, it is possible to which the deposition to shaft bottom is cleared up.