CN208378536U - Ecology filters dirty pool structure - Google Patents

Abstract

The utility model belongs to filter dirty pond field, it is intended to provide a kind of dirty pool structure of ecology filter, its key points of the technical solution are that including ecological filter bed and positioned at ecological filter bed side overflow well, the ecological filter bed water flow intercommunication between overflow well, pool inner water stream direction is to flow in overflow well from ecological filter bed place, and the first rainwater connecting leg for water flow to be discharged is equipped in the overflow well.Water flow is fallen in ecological filter bed, since ecological filter bed area is significantly larger compared to the mouth area of overflow well, therefore it can be while accepting large area water, water flow is seeped under ecological filter bed top, and ecological filter bed interior interlayer filter structure is not easy to loosen or be rushed by water to the state floated by being self-possessed and tamping pressure to be acted on, it is flowed out compared to the water flow mentioned in background technique from ecological filter bed top, is then easy to take up the clast at ecological filter bed top, causes secondary pollution.And the water flow in the present embodiment is difficult to take away the particle in ecological filter bed, a possibility that reducing secondary pollution.

Description

Ecology filters dirty pool structure

Technical field

The utility model relates to filter dirty pond field, in particular to a kind of ecology filters dirty pool structure.

Background technique

A kind of common water storage, the water distribution structure that dirty pond is sponge city are filtered, absorbed nearby or on the spot with reaching sponge city, It saves, permeate, purifying rainwater, recharge of groundwater, the purpose for adjusting water saving circulating.Dirty pond is filtered in sponge city for playing replacement The effect of the grey facility such as sewer.

Currently, the Chinese patent of Publication No. CN205917138U discloses a kind of inlet for stom water quality purifying device for water, it is wrapped Clarifier-tank is included, clarifier-tank, which is divided into, cuts dirty pond and ecological filter bed left and right two parts, and the front end for cutting dirty pond opens up rain water inlet, cuts The Li Ce of rainwater water inlet is equipped with the filtering sieve plate for retaining the graininess polluter in rainwater in dirty pond, ecological filter bed It is interior to be equipped with the water distribution screen casing being connected with the apopore for cutting dirty pond, it is ecological filter bed in be equipped with haydite for absorption degradation pollutant Sandstone adsorption layer and water plant, the height for cutting dirty pond are higher than ecological filter bed height, and ecological filter bed interior purified water body is from life Overflow injection river or lake in the upper end of state filter bed.

In use, water flow is first fallen into cuts in dirty pond this purification device, then flows to ecology filter from dirty bottom of pond portion is cut Bed top, in this flow process, water flow is easy to take up the dirts such as the haydite sandstone clast in ecological filter bed, becomes again muddy It is turbid.

Utility model content

The utility model is to provide a kind of dirty pool structure of ecology filter, can keep water flow during water flow is discharged A possibility that gradually purifying, reducing water flow secondary pollution.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of dirty pool structure of ecology filter, including overflow well ecological filter bed and positioned at ecological filter bed side, the ecology filter Water flow intercommunication between bed and overflow well, pool inner water stream direction is to flow in overflow well from ecological filter bed place, in the overflow well Equipped with the first rainwater connecting leg for water flow to be discharged.

By using above-mentioned technical proposal, when being in rainwater weather, to when falling in outside water, water flow falls in ecological filter In bed, since ecological filter bed area is significantly larger compared to the mouth area of overflow well, therefore large area water can accepted While, water flow is seeped under ecological filter bed top, since water flow is not easy to flow back by Gravitative Loads, and ecological filter bed interior interlayer filter Water-bound is not easy to loosen or be rushed by water to the state floated by being self-possessed and tamping pressure to be acted on, compared to institute in background technique The water flow referred to is flowed out from ecological filter bed top, then is easy to take up the clast at ecological filter bed top, causes secondary pollution.And this Water flow in embodiment is difficult to a possibility that taking away the particle in ecological filter bed, reducing secondary pollution.

Further setting: the oral area of the overflow well is equipped with well lid, and the well lid includes cross-arm in the water of overflow well head part The permeable cover board of placing flat is used for the Diversion Plate that current deflecting is ecological filter bed with what permeable cover board was connected.

By using above-mentioned technical proposal, water flow is penetrated into from permeable cover board, after flowing through to Diversion Plate, then from Diversion Plate stream To ecological filter bed.So that all water flows are to first pass through ecological filter bed, then flow at overflow well, play a role in filtering.

Further setting: the Diversion Plate and the V-shaped connection of permeable cover board, the Diversion Plate and permeable cover board connect Point is hinged with overflow well head part.

By using above-mentioned technical proposal, since the overflow well in the application is not instead of into water position, play drainage and The effect of inspection by sampling, so need to start Diversion Plate and permeable cover board, to achieve the purpose that convenient for water intaking.

Further setting: the length that the permeable cover board is drawn from hinge joint is greater than the length that Diversion Plate is drawn from hinge joint Degree.

By using above-mentioned technical proposal, if the size of Diversion Plate is bigger, during raising, it be easy to cause Diversion Plate It contradicts the overflow well side-walls the case where.It take hinge joint as the centre of motion of permeable cover board, the other side of permeable cover board moves institute The radius of the circular arc drawn is: the length that permeable cover board is drawn from hinge joint.Therefore the size of Diversion Plate is no more than permeable lid The size of plate.

Further setting: the overflow well side wall, which is equipped with, is connected to the conduction hole at ecological filter bed place, the conduction hole towards Ground side leads to floatboard, and the floatboard, which is directed toward, deviates from ground direction, and the floatboard and Diversion Plate are close to each other The projection of end in the horizontal plane is overlapped.

It is fallen on Diversion Plate by using above-mentioned technical proposal when water flow is flowed down from permeable cover board, from Diversion Plate upstream It when lower, then is accepted by floatboard, guides at conduction hole, water flow is enabled to be led to ecological filter bed place, and indirect fall In overflow bottom, the catharsis to water flow is played.

Further setting: Diversion Plate gap setting between the end and conduction hole of conduction hole.

By using above-mentioned technical proposal, due to necessarily having some impurity in water flow, it is easy in water flow flow process Precipitating is easy to influence the diameter of conduction hole if all deposition is in conduction hole, so that the diameter of conduction hole becomes smaller, reduces single By the water in conduction hole in the time of position.

Further setting: described ecological filter bed to set gradually from top to bottom in the vertical direction are as follows: filtering pervious bed, gravel The thickness of transition zone, gravel drainage blanket, drainpipe, the filtering pervious bed is maximum.

By using above-mentioned technical proposal, it is ecological filter bed in, filtering pervious bed be the main position to play a role in filtering, The thickness for filtering pervious bed is bigger, and the degree for crossing drainage is higher, and the cleanliness of the water exported is higher.

Further setting: the tube wall of the drainpipe is set as netted filtering structure.

By using above-mentioned technical proposal, the water energy from ecological filter bed enough passes through in netted tube wall infiltration drainpipe, The effect once filtered is applied more again to water flow.

Further setting: tube wall includes at least two layers, one layer closer to drainpipe central axis of tube wall, mesh mesh number It is bigger.

By using above-mentioned technical proposal, tube wall plays a role in filtering to water flow, and is successively filtering, is convenient for clean water Stream penetrates into pipe.

Preferably, the ecological filter bed periphery is equipped with for by the ecological filter bed kerbstone impaled, the kerbstone Vertical height middle position is equipped with the second rainwater connecting leg for extra water flow to be discharged.

By using above-mentioned technical proposal, if rainfall is excessive, rainwater is ecological filter bed not as good as penetrating into, then extra water flow is from the The discharge of two rainwater connecting legs reduces water flow and overflows a possibility that ecological filter bed.

In conclusion the utility model has the following beneficial effects:

1, it can be effectively reduced the probability that the impurity on ecological filter bed surface is brought into sewer pipe by water flow together；

2, after the plant growth to certain altitude of ecological filter bed interior plantation, pedestrian can be hindered to enter into ecological filter bed；

3, ecological filter bed area is significantly greater than the area of overflow well, and more waters can be filtered within the unit time.

Detailed description of the invention

Fig. 1 is the overlooking structure diagram that dirty pond is filtered for embodying ecology；

Fig. 2 is to filter dirty pond schematic cross-sectional view for embodying ecology；

Fig. 3 is the A-A truncation surface structural schematic diagram that dirty pond is filtered for embodying ecology in Fig. 2.

In figure, 1, ecological filter bed；11, pervious bed is filtered；12, gravel transition zone；13, gravel drainage blanket；2, overflow well；3, First rainwater connecting leg；4, well lid；41, permeable cover board；42, Diversion Plate；5, conduction hole；6, floatboard；7, drainpipe；8, curb Stone；9, the second rainwater connecting leg.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of dirty pool structure of ecology filter, as shown in Figure 1, including ecological filter bed 1 and the overflow well positioned at ecological filter bed 1 side 2, ecological filter bed 1 area be greater than overflow well 2 area, and between ecological filter bed 1 and overflow well 2 be interconnected, at two inside Water flow intercommunication.

Ecological filter bed 1 sets gradually from top to bottom in the vertical direction are as follows: the maximum filtering pervious bed 11 of thickness, thickness time Gravel transition zone 12, the smallest gravel drainage blanket 13 of thickness, drainpipe 7.Filter pervious bed 11, gravel transition zone 12, gravel The density of stone drainage blanket 13 is set as becoming larger.

It is penetrated into drainpipe 7 for the ease of water flow, sets netted filtering structure for the tube wall of drainpipe 7, and tube wall is extremely Less include two layers, is set as two layers in the present embodiment；Tube wall closer to one layer of 7 central axis of drainpipe, get over by mesh mesh number Greatly, i.e. the degree of filtration of drainpipe 7 is also layering.

Because in the present embodiment, ecological filter bed 1 was used for drainage, and overflow well 2 is for sampling etc., therefore water (flow) direction is from ecology It is flowed at filter bed 1 in overflow well 2, and is equipped with the first rainwater connecting leg 3 for water flow to be discharged in overflow well 2.

For the ease of sampling, it is equipped with the well lid 4 that can be stirred in the oral area of overflow well 2, well lid 4 includes for accommodating water flow stream The permeable cover board 41 entered, permeable 41 cross-arm of cover board are horizontally arranged when in use in 2 oral area of overflow well；In permeable 41 face of cover board Side into overflow well 2 is fixed with for by the Diversion Plate 42 of current deflecting ecological filter bed 1.

Diversion Plate 42 and the V-shaped connection of permeable cover board 41, angle between the two is acute angle.Diversion Plate 42 and permeable lid The phase contact of plate 41 and 2 oral area of overflow well are hinged, when opening permeable cover board 41, while can also lift Diversion Plate 42.

In order to avoid contradicting when the opening of Diversion Plate 42 to the borehole wall, the length that permeable cover board 41 is drawn from hinge joint is greater than and draws The length that water plate 42 is drawn from hinge joint.

The conduction hole 5 being connected at ecological filter bed 1 is equipped in 2 side wall of overflow well, conduction hole 5 is led to towards ground side Floatboard 6, for floatboard 6 for accepting the water flow fallen on Diversion Plate 42, floatboard 6, which is directed toward, deviates from ground direction, sets for inclination It sets, after water flow is fallen on floatboard 6, is penetrated into ecological filter bed 1 along floatboard 6.

It is dropped out to reduce gap location of the water flow between floatboard 6 and Diversion Plate 42, by 42 phase of floatboard 6 and Diversion Plate Mutually close end is set as the coincidence of projection in the horizontal plane.

Conduction hole 5 is greater than the vertical height of Diversion Plate 42 and ecological filter bed 1 junction in vertical height.That is Diversion Plate 42 Certain interval is reserved between the end and conduction hole 5 of conduction hole 5.

Ecological filter bed 1 periphery is equipped with the kerbstone 8 for impaling ecological filter bed 1, to hinder water flow to overflow ecology filter Bed 1；It is equipped with the second rainwater connecting leg 9 in the vertical height middle position of kerbstone 8, when rainfall is excessive, water flow accumulates in ecology 1 top of filter bed, rainwater extra at this time just pass through the discharge of the second rainwater connecting leg 9.

The working principle that ecology filters dirty pond is as follows:

Water flow enters from ecological filter bed 1, by multiple filtration, enters overflow well 2 from drainpipe 7；If desired to filtering Water sample afterwards is detected, then the well lid 4 for opening overflow well 2 is sampled.

The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (10)

1. a kind of ecology filters dirty pool structure, described including ecological filter bed (1) and positioned at the overflow well (2) of ecological filter bed (1) side Water flow intercommunication between ecological filter bed (1) and overflow well (2), it is characterized in that: pool inner water stream direction is to flow from ecological filter bed (1) The first rainwater connecting leg (3) for water flow to be discharged is equipped with into overflow well (2), in the overflow well (2).

2. ecology according to claim 1 filters dirty pool structure, it is characterized in that: the oral area of the overflow well (2) is equipped with well lid (4), the well lid (4) includes cross-arm in the horizontal positioned permeable cover board (41) of overflow well (2) oral area and permeable cover board (41) Connected is used for the Diversion Plate (42) of current deflecting ecological filter bed (1).

3. ecology according to claim 2 filters dirty pool structure, it is characterized in that: the Diversion Plate (42) and permeable cover board (41) The phase contact of V-shaped connection, the Diversion Plate (42) and permeable cover board (41) and overflow well (2) oral area are hinged.

4. ecology according to claim 3 filters dirty pool structure, it is characterized in that: the permeable cover board (41) draws from hinge joint Length out is greater than the length that Diversion Plate (42) are drawn from hinge joint.

5. ecology according to claim 3 filters dirty pool structure, it is connected to it is characterized in that: the overflow well (2) side wall is equipped with Conduction hole (5) at ecological filter bed (1), the conduction hole (5) lead to floatboard (6), the floatboard towards ground side (6) it is directed toward and deviates from ground direction, the projection weight of the floatboard (6) and Diversion Plate (42) end close to each other in the horizontal plane It closes.

6. ecology according to claim 5 filters dirty pool structure, it is characterized in that: the Diversion Plate (42) is close to conduction hole (5) End and conduction hole (5) between gap setting.

7. ecology according to claim 1 filters dirty pool structure, it is characterized in that: ecological filter bed (1) is in the vertical direction It sets gradually from top to bottom are as follows: filtering pervious bed (11), gravel transition zone (12), gravel drainage blanket (13), drainpipe (7), institute The thickness for stating filtering pervious bed (11) is maximum.

8. ecology according to claim 7 filters dirty pool structure, it is characterized in that: the tube wall of the drainpipe (7) is set as net Shape filter structure.

9. ecology according to claim 8 filters dirty pool structure, it is characterized in that: tube wall includes at least two layers, tube wall closer to One layer of drainpipe (7) central axis, mesh mesh number is bigger.

10. ecology according to claim 1 filters dirty pool structure, it is used for it is characterized in that: ecological filter bed (1) periphery is equipped with The kerbstone (8) that ecological filter bed (1) is impaled, it is extra for being discharged that the vertical height middle position of the kerbstone (8) is equipped with Second rainwater connecting leg (9) of water flow.