CN208836828U - A kind of the bottom of the tank filtration system - Google Patents

Abstract

The utility model discloses a kind of the bottom of the tank filtration systems, water conservancy diversion cultivation storehouse is forced including physical filtering case, rain type filter device, dark cabin formula and lautertuns, rain type filter device include the rain type filter cartridge for being mounted on upper layer and the rain type filter vat for being mounted on lower layer；Lautertuns is the filter chamber that drenches with rain, baterial cultivation chamber and the upper water chamber being sequentially communicated by baffle interval, rain type filter device, dark cabin formula force water conservancy diversion cultivation storehouse to be arranged in drench with rain filter chamber and the baterial cultivation chamber of lautertuns, and physical filtering tank tower is on lautertuns top and corresponding with above and below rain type filter device.The utility model is able to solve physical filtering area and is lauched unevenness, and filter material is at random, puts unevenness the problems such as causing space waste and water flow dead angle, so that optimal environment is created in the existence for nitrobacteria.

Description

A kind of the bottom of the tank filtration system

Technical field

The utility model belongs to fish jar filtering apparatus field, and in particular to a kind of the bottom of the tank filtration system.

Background technique

Nowadays filtration system on the market is varied, but does not provide best life condition exclusively for nitrobacteria Filtration system.Nitrobacteria is a very important ring in aquarium filtering, and the living necessities dark situation of nitrobacteria is sufficient Oxygen and nutrient, there are also the high porosity filter materials for adhering to for nitrobacteria and breeding.Similar the bottom of the tank filtering at present In generally existing some problems: physical filtering area is lauched unevenness, and physics filter material (such as white cotton) water drenching unevenness is caused to lead to filter material Utilization rate is low；Filter material arrangement is at random, causes space waste；Water flow flows in lautertuns, is lauched in the case where no water conservancy diversion Stream is flowed along the shortest distance, easily occurs water flow dead angle in lautertuns, biochemical efficiency is not high；It is thin optimum nitrification is not createed The environment of bacterium existence.

Summary of the invention

In view of the defects existing in the prior art, the utility model provides a kind of the bottom of the tank filtration system, the purpose is to It solves physical filtering area and is lauched unevenness, filter material is at random, puts unevenness the problems such as causing space waste and water flow dead angle, to be The optimal environment that the existence of nitrobacteria is created.

The technical solution of the utility model is as follows:

A kind of the bottom of the tank filtration system, including physical filtering case, rain type filter device, dark cabin formula force water conservancy diversion cultivation Storehouse and lautertuns, specific as follows:

One, lautertuns

The lautertuns is that drench with rain filter chamber and baterial cultivation chamber and the partition bottom is equipped with fluid channel by baffle interval； The rain type filter device, dark cabin formula pressure water conservancy diversion cultivation storehouse are arranged in drench with rain filter chamber and the cultivation of the lautertuns In room, the physical filtering tank tower is on lautertuns top and corresponding with above and below the rain type filter device；

Two, physical filtering case

The physical filtering case includes drench with rain box, filter medium box, cover board and cabinet, and the top and bottom of the cabinet are to open Mouth structure, the box that drenches with rain, filter medium box are successively detachably arranged in the cabinet from top to bottom, the cover board installation The cabinet it is suitable for reading on；It is specific as follows:

The box body that box main body is upper opening that drenches with rain, the bottom of the box body is equipped with point along its longitudinal centre line Flow tube, the top of the isocon are connected with the water inlet pipe communicated therewith, and the other end of the water inlet pipe runs through the cover board；Institute The two sides for stating isocon are respectively separated the point water plate equipped with multiple lateral arrangements, the bottom surface of the point water plate and the box body bottom Portion is in close contact, medial end and the isocon are in close contact, between outboard end and the side wall of the box body there are gap, And the box body is divided into multiple shunting zones by the point water plate；On the side of isocon corresponding to each shunting zone It is provided at least one apopore, box bottom corresponding to each shunting zone is evenly equipped with multiple run through and and filter medium The first of box connection drenches with rain hole, and each first plane where the upper surface in hole that drenches with rain is higher than the bottom surface of the box body；

The filter medium box main body is the box body of upper opening, and multiple perforative the are evenly equipped on the bottom surface of the box body Two drench with rain hole, and each second plane where the upper surface in hole that drenches with rain is higher than the bottom surface of the box body；Under the box cavity Portion is equipped with the support frame for being used to support filter medium and lateral arrangement, and plane is higher than second rain where support frame as described above Drench the plane where the upper surface in hole；

Three, rain type filter device

Rain type filter device includes the rain type filter cartridge for being mounted on upper layer and the rain type filter vat for being mounted on lower layer； It is specific as follows:

The rain type filter cartridge includes the first fair water cone, the second fair water cone, filters box main body and the first filter material, described First fair water cone, the second water conservancy diversion cap structure are identical, connect respectively with the filtering box main body upper/lower terminal and inner cavity mutually interconnects It is logical；The first filter material setting is in filtering box main body；Wherein:

First fair water cone, the second fair water cone include inner cavity perforation and periphery is the pedestal of box body frame structure, institute The first end for stating pedestal is equipped with the reticular structure of several uniformly distributed tap holes, the top of second end and filtering box main body or lower part and connects It connects；The collector nozzle of multiple perforations is provided in the peripheral frame of the pedestal；

The filtering box main body includes the cylindrical body of inner cavity perforation, is intervally distributed on the outer wall of the cylindrical body more The vertically extending water conservancy diversion protrusion of root, and the first flow-guiding channel is constituted between adjacent water conservancy diversion protrusion, on first flow-guiding channel End and lower end are spatially corresponding with the collector nozzle on first fair water cone and the second fair water cone respectively；First water conservancy diversion At least one through-hole being connected to inner cavity is provided on cylindrical body wall where channel；

First filter material is mounted in the cylindrical body；

The rain type filter vat includes third fair water cone, filter vat main body and the second filter material, the third fair water cone It is identical as the first fair water cone, the second water conservancy diversion cap structure, it is connect with filter vat main body upper end and inner cavity is interconnected；It is described Second filter material is arranged in filter vat main body；Wherein:

The filter vat main body includes the cylindrical body of inner cavity perforation, is intervally distributed on the outer wall of the cylindrical body more The vertically extending water conservancy diversion protrusion of root, and the second flow-guiding channel is constituted between adjacent water conservancy diversion protrusion, on second flow-guiding channel It holds spatially corresponding with the collector nozzle on the third fair water cone；On cylindrical body wall where second flow-guiding channel It is provided at least one through-hole being connected to inner cavity；The lower, transverse of the cylindrical body inner cavity is arranged at intervals with more points of water teeth；

Second filter material is mounted on described divide in the cylindrical body on water tooth top；

Four, dark cabin formula forces water conservancy diversion cultivation storehouse

It includes the 4th fair water cone, cultivation storehouse main body and biochemical filter element that the dark cabin formula, which forces water conservancy diversion cultivation storehouse,；It is described to lead Stream cap, cultivation storehouse main body are installed and are interconnected up and down, and the biochemical filter element is arranged in the main body of cultivation storehouse；Wherein:

4th fair water cone includes inner cavity perforation and periphery is the pedestal of box body frame structure, between the top of the pedestal It is connected every the top that more shunt stripping fork, lower part and cultivation storehouse main body is distributed with side by side；

Cultivation storehouse main body includes the cylindrical body of inner cavity perforation, and the bottom opening interval of the cylindrical body is divided side by side More water conservancy diversion stripping forks are furnished with, and constitute diversion trench between adjacent water conservancy diversion stripping fork；It is spaced apart on the inner wall of the cylindrical body There are more vertically extending water conservancy diversion protrusions, and constitutes flow-guiding channel between adjacent water conservancy diversion protrusion；

The biochemical filter element is mounted in the cylindrical body.

Physical filtering case in above-mentioned technical proposal can do following preferred:

Further,

It is also equipped with the first water fender in the box body of the box that drenches with rain and it forms bottom opening between inboard wall of cartridge First overflow area, the height of first water fender are lower than the height of the inboard wall of cartridge；

It is also equipped with second flap in the box body of the filter medium box and it forms bottom between inboard wall of cartridge and opens Second overflow area of mouth, the height of the second flap are lower than the height of the inboard wall of cartridge；

Second overflow area is spatially corresponding up and down with first overflow area.

Further,

The height of first water fender and second flap is successively lower by centre to both ends.

Further,

The isocon is movably arranged in box body by the card slot on box box side wall that drenches with rain, and the point water plate and institute State isocon joining place be designed as with isocon tube wall coincide it is U-shaped；The water inlet pipe is connected in the isocon Centre.

Further,

The box that drenches with rain is one, and the filter medium box is one or is stacked up and down multiple；Described first drenches with rain hole Drench with rain with second hole outer ring on be equipped with the overflow ring to raise upward, the plane where overflow ring upper surface be higher than box body Bottom surface, and overflow ring lower surface and box bottom intersection are designed as arc.

Further,

Supporting table is installed in the inner sidewall circumferential direction of the filter medium box box body lower part；Support frame as described above is frame-type knot Structure and its lower surface is extended downwardly equipped with multiple support columns；The surrounding of support frame as described above is set up on the supporting table and support column It is supported on the bottom surface of the filter medium box box body.

Further,

The box that drenches with rain, filter medium box are both designed as drawable drawer structure, and sliding is constituted between the two and cabinet Cooperation.

Further,

The drawer structure includes drawer handle, drawer wall and bottom of drawer interconnected, first water fender, second Water fender, which is installed in the side of drawer handle and surrounds between corresponding drawer handle and two sides drawer wall respectively, constitutes overflow Area；It surrounds and is constituted by the multiple shunting zone between its corresponding two sides drawer wall of first water fender, rear side drawer wall The separation district's groups of composition；It surrounds to constitute between its corresponding two sides drawer wall of the second flap, rear side drawer wall and be used for Place the filter space of filter medium.

Further,

The box that drenches with rain, filter medium box drawer structure in drawer the junction lower part with two sides drawer wall is set respectively There are the first anti-down flow gap and the second anti-down flow gap.

Further,

The first anti-down flow gap and the second anti-down flow gap are triangle.

Rain type filter device in above-mentioned technical proposal can do following preferred:

Further,

Reticular structure on first fair water cone, the second fair water cone and third fair water cone is by multiple cross drainages Transverse and longitudinal is alternatively arranged composition to tooth along the horizontal plane, and each cross drainage tooth is respectively positioned at the node of reticular structure, adjacent cross Type, which drains to surround between tooth, constitutes tap hole.

Further,

Each end of the cross drainage tooth extends to form small bulge-structure to two sides respectively.

Further,

The pedestal of first fair water cone and the second fair water cone is mounted on the filtering box main body by mating respectively Suitable for reading and lower mouth on；The lower part of the third fair water cone pedestal is by mating seat in the suitable for reading of the filter vat main body On.

Further,

The second flow-guiding channel on the first flow-guiding channel and filter vat main body on the filtering box main body spatially phase It is corresponding.

Further,

First filter material and the second filter material can be selected according to water quality situation: if water quality impurity suspended matter is more or soda acid Degree must adjust, and may be selected to adjust filter material, such as active carbon, coral sand accordingly；It is fillable to change water quality if need not adjust Filter material, such as biochemical cotton.

Further,

At least one reinforcement is set up between the more points of water teeth.

Further,

The lower part of all or part of more points of water teeth extends downward to form drainage plate, the lower end of the drainage plate Drainage channel is constituted higher than the lower end of cultivation box main body cylindrical body, and between adjacent drainage plate.

Further,

The rain type filter cartridge and rain type filter vat are dark opaque plastics in addition to being filled in the filter material in it Material.

It is following preferred that dark cabin formula in above-mentioned technical proposal forces water conservancy diversion cultivation storehouse that can do:

Further,

The left and right ends of the lower end surface for shunting stripping fork and water conservancy diversion stripping fork is cambered surface.

Further,

Successively successively decrease in the more shuntings stripping fork from center to height on both sides.

Further,

The lower part of the 4th fair water cone pedestal is by mating seat in the suitable for reading of the cultivation storehouse main body cylindrical body On.

Further,

The biochemical filter element is biochemical cotton.

Further,

At least one reinforcement is set up between the more water conservancy diversion stripping forks.

Further,

The lower end surface of the reinforcement is cambered surface.

Further,

4th fair water cone, cultivation storehouse main body are dark opaque plastics material.

Lautertuns in above-mentioned technical proposal can do following preferred:

Further,

Upper water chamber is separated between going back in the lautertuns；The filter chamber that drenches with rain, baterial cultivation chamber and upper water chamber are according to water flow side To successively successively arrangement, the baterial cultivation chamber are the multiple of one or arranged in parallel；The filter chamber that drenches with rain, baterial cultivation chamber and on It is interconnected between water chamber by the runner of detour, and the water inlet end of baterial cultivation chamber is located at lower part, water outlet and is located at top.

Further,

Described drench with rain passes through first partition interval between filter chamber, baterial cultivation chamber, by successively between the multiple baterial cultivation chamber The second partition of arrangement, first partition interval；Between the second partition, first partition apart from one another by and first partition height Higher than the height of second partition；It is open between the first partition and filtering groove bottom and forms lower flow channel, on the second partition Upper runner is formed between end and first partition.

Further,

The upper water chamber is equipped with water water pump.

Compared with existing filter device, the utility model is had the advantage that

1, physical filtering area is lauched the water uniformly fallen on the white cotton of physics filter material into the shape that drenches with rain, and uniformly without dead angle, improves White cotton filter material utilization rate reduces waste.The raising of the white cotton utilization rate of filter material increases in water for the nutrient of nitrobacteria existence Content.

2, rain device can increase contact of the water with air, increase the dissolved oxygen amount in water, can also select according to water quality situation Corresponding filter material filling is selected, the replacement and maintenance in later period are facilitated.Filter material is put regular, facilitates management.

3, it is that nitrobacteria creates optimal living environment that dark cabin formula, which forces water conservancy diversion cultivation storehouse,.Force water conservancy diversion laterally upper The design that road shunts, cabin shunts on longitudinal direction makes water flow flowing more evenly, is not in water flow dead angle.Regular putting not only saves About space, increase filter material real work volume, while being convenient for the management and maintenance in later period.

4, a whole set of filtration system is dark opaque plastic material in addition to lautertuns, unless filling in rain device The filter material of water quality indicator can be changed, the change in any chemical property otherwise will not be generated to water quality.It is not in simultaneously to fall The problem of dust, pollution water quality.

Detailed description of the invention

Fig. 1 is the plane structure chart of the utility model entirety；

Fig. 2 is the three-dimensional structure diagram in a direction of the utility model entirety；

Fig. 3 is the three-dimensional structure diagram in another direction of the utility model entirety；

Fig. 4 is the operation principle schematic diagram of the utility model；

Fig. 5 is that slot structure schematic diagram is filtered in the utility model；

Fig. 6 is the overall structure diagram of physical filtering case in the utility model；

Fig. 7 is the explosive view of physical filtering case in the utility model；

Fig. 8 is the structural schematic diagram of box of drenching with rain in the utility model；

Fig. 9 is the structural schematic diagram of filter medium box in the utility model；

Figure 10 is the structural front view of rain type filter cartridge in the utility model；

Figure 11 is the structure left view of rain type filter cartridge in the utility model；

Figure 12 is the structure top view of rain type filter cartridge in the utility model；

Figure 13 is the structural perspective of rain type filter cartridge in the utility model；

Figure 14 is the structural front view of the first, second and third fair water cone in the utility model；

Figure 15 is the structure left view of the first, second and third fair water cone in the utility model；

Figure 16 is the structure top view of the first, second and third fair water cone in the utility model；

Figure 17 is the structural perspective of the first, second and third fair water cone in the utility model；

Figure 18 is the structural front view of rain type filtering box main body in the utility model；

Figure 19 is the structure left view of rain type filtering box main body in the utility model；

Figure 20 is the structure top view of rain type filtering box main body in the utility model；

Figure 21 is the structural front view of rain type filter vat in the utility model；

Figure 22 is the structure left view of rain type filter vat in the utility model；

Figure 23 is the structure top view of rain type filter vat in the utility model；

Figure 24 is the structural perspective of rain type filter vat in the utility model；

Figure 25 is the structural front view of filter vat main body in the utility model；

Figure 26 is the structure left view of filter vat main body in the utility model；

Figure 27 is the structure top view of filter vat main body in the utility model；

Figure 28 is the structural front view that dark cabin formula forces water conservancy diversion cultivation storehouse in the utility model；

Figure 29 is the structure left view that dark cabin formula forces water conservancy diversion cultivation storehouse in the utility model；

Figure 30 is the structure top view that dark cabin formula forces water conservancy diversion cultivation storehouse in the utility model；

Figure 31 is the structure bottom view that dark cabin formula forces water conservancy diversion cultivation storehouse in the utility model；

Figure 32 is the structural front view of the 4th fair water cone in the utility model；

Figure 33 is the structure left view of the 4th fair water cone in the utility model；

The structure bottom view of 4th fair water cone in the utility model of Figure 34；

Figure 35 is the structural front view of cultivation storehouse main body in the utility model；

Figure 36 is the structure left view of cultivation storehouse main body in the utility model；

Figure 37 is the structure top view of cultivation storehouse main body in the utility model；

Figure 38 is to shunt stripping fork bottom surface, water conservancy diversion stripping fork both ends of the surface and the globoidal structure schematic diagram for reinforcing soffit；

In figure:

A, physical filtering case: A1, drench with rain box；A2, filter medium box；A 3, cover board；A 4, cabinet；A 111, the first drawer ?；A 112, the first water fender；A 113, the first drawer wall；A 114, first drench with rain hole；A 115, the first overflow ring；A 116, Point water plate；A 117, card slot；A118, the first anti-down flow gap；A 119, shunting zone；A 120, the first overflow area；A 121, into Water pipe；A 122, isocon；A 123, water outlet；A 211, the second drawer handle；A 212, second flap；A 213, second takes out Drawer wall；A 214, second drench with rain hole；A 215, the second overflow ring；A 216, supporting table；A 217, the second anti-down flow gap；A 218, the second overflow area；A 221, support frame；A 222, support column.

B, rain type filter cartridge: B1, fair water cone；B1.1, pedestal, B1.2, collector nozzle, B1.3, cross drainage tooth； B1.4, small bulge-structure；B2, filtering box main body, B2.1 the first water conservancy diversion protrusion, B2.2, first through hole, B2.3, the first water conservancy diversion are logical Road, B4, the first filter material.

C, rain type filter vat: C1, third fair water cone, C3, filter vat main body, C 3.1, the second water conservancy diversion protrusion, C 3.2, Second through-hole, C 3.3, drainage plate, C 3.4, reinforcement, C 3.5 divide water tooth, C 3.6, the second flow-guiding channel, C 3.7, drainage Channel, C 4, the second filter material.

D, dark cabin formula forces water conservancy diversion cultivation storehouse: D1, the 4th fair water cone, D1.2, D1.1, pedestal shunt stripping fork；D2, cultivation Storehouse main body；D2.1, water conservancy diversion stripping fork；D2.2, reinforcement, D2.3, water conservancy diversion protrusion；D3, biochemical filter element.

E, lautertuns: E 4.1 drenches with rain filter chamber；4.2 baterial cultivation chamber of E；4.3 upper water chamber of E；4.4 first partition of E；E 4.5 Second partition.

Specific embodiment

The present invention will be further described with reference to the accompanying drawings and examples.

Embodiment 1

Referring to Fig. 6-9, a kind of physical filtering case, including the box A 1 that drenches with rain, filter medium box A 2, cover board A 3 and cabinet A The top and bottom of 4, cabinet A 4 are hatch frame, and the box A 1 that drenches with rain in the present embodiment is designed as one, filter medium box A 2 is designed as Two (box that usually drenches with rain select one, filter medium box can select according to the actual situation one or more than one), rain Leaching box A 1, filter medium box A 2 are both designed as drawable drawer structure, constitute and are slidably matched between the two and cabinet A 4. Drawer structure main body is by drawer (i.e. the first drawer is A 111, the second drawer A 211), drawer wall (i.e. the first drawer wall A 113, the second drawer wall A 213) and bottom of drawer interconnect constitute upper opening box body；Drench with rain box A 1, filtering Jie Matter box A 2 is successively detachably arranged in cabinet A 4 from top to bottom, cover board A 3 be mounted on cabinet A 4 it is suitable for reading on；It is each Partial structure is specific as follows:

Drench with rain 1 box body of box A bottom isocon A 122(is movably installed with by card slot along its longitudinal centre line can be square Just disassembly, cleaning)；The center on the top of isocon A 122 upwardly extends the water inlet pipe A 121 for being connected with and communicating therewith, water inlet The other end of pipe A 121 runs through cover board A 3；The two sides of isocon A 122, which are respectively separated, divides water equipped with multiple lateral arrangements The bottom surface of plate A 116, point water plate A 116 and box body bottom (i.e. bottom of drawer) close contact, medial end is designed as and isocon Coincide U-shaped of 122 tube walls and be in close contact with isocon A 122, the side wall (i.e. drawer wall) of outboard end and box body it Between there are gaps, and box body is divided into multiple shunting zone A 119 by point water plate A 116；Divide corresponding to each shunting zone A 119 An apopore A 123 is provided on the side of flow tube A 122, box bottom corresponding to each shunting zone is evenly equipped with multiple First for running through and being connected to filter medium box drenches with rain hole A 114, and the first outer ring for drenching with rain hole A 114 is equipped with and raises upward The first overflow ring A 115, and the plane where 115 upper surface the first overflow ring A be higher than box body bottom surface；First overflow ring A 115 lower surfaces and box bottom intersection are designed as arc.

Multiple perforative second are evenly equipped on the bottom surface of 2 box body of filter medium box A to drench with rain hole A 214, and each second rain It drenches on the outer ring of hole A 214 and also is provided with the second overflow ring A 215 to raise upward, and where 215 upper surface the second overflow ring A Plane be higher than the bottom surface of box body, 215 lower surface the second overflow ring A and box bottom intersection are designed as arc；Box body lower part Inner sidewall circumferential direction on supporting table A 216 is installed, the support frame A 221 of tower structure is provided on supporting table A 216, prop up 221 lower surface support A is extended downwardly equipped with multiple support column A 222, and it is supported on the bottom surface of box body；On support frame 221 Side constitutes the space of support filter medium (white cotton), and 221 place plane of support frame A is higher than the upper table of the second overflow ring A 215 Plane where face forms therebetween separating dry space from moist space area.

The principle of said structure design is: in the box that drenches with rain, water inlet pipe is located at box body center, from distributive pipe by moisture to two End, compared to the design of common water inlet at one end, reduced inner pipe water pressure is poor.Distributive pipe both ends are evenly distributed with apopore, The shape in hole is without limitation.The corresponding a part of region (i.e. shunting zone) separated by point water plate of each apopore, apopore is at this The center in region guarantees the uniform fluid flow for flowing to the region.The hole that drenches with rain in region is uniformly distributed, and the hole outer ring that each drenches with rain, which is equipped with, overflows Ring is flowed, overflow ring is higher than box body bottom, and the Kong Caihui that drenches with rain when the water level in the box that drenches with rain covers each overflow ring is lauched, ensure that The Kong Junhui that each drenches with rain is lauched, and overflow ring and box body bottom intersection are designed as arc, reduce accumulation of mud, easy to clean. The point water plate of separated region (i.e. shunting zone) has certain distance apart from drawer wall, and U-shaped, cooperation box body is made into isocon joining place Card slot on wall can preferably fix distributive pipe.Point water plate and shunting vessel end closure, the design with drawer wall end connection ensure that While water flow is forced to shunt, if also ensuring, drainage hole is blocked in each subregion, and water flow can be flowed to by connection end Other regions are lauched.Filter medium box part-structure is identical as the box design principle that drenches with rain, and repeats no more, and wherein support frame frame is in box In the supporting table that body is surrounded by, by support frame and box body bottom interval open form at separating dry space from moist space area, filter medium is avoided i.e. Physics filter material is soaked in water for a long time.

When work, above-mentioned apparatus is placed on the lautertuns of bottom, water inlet pipe A 121 is connected with fish jar downcomer.It will drench with rain Box A 1, filter medium box A 2 layering are put into cabinet A 4, and the box A 1 that drenches with rain brings to Front, and filter medium box A 2 is placed in lower layer. It places after drenching with rain box A 1, cover board A 3 is covered on cabinet A 4, cover board A 3 can prevent vapor from overflowing.After water inlet, water flow Entered in isocon A 122 from middle part to both ends uniform divided flows by water inlet pipe A 121, is entered by apopore A 123 by dividing In the shunting zone that water plate A 116 is separated out.When water level exceeds the first overflow ring A 115 in the box A 1 that drenches with rain, water flow passes through first The hole A 114 that drenches with rain uniformly is lauched, and the design of the first overflow ring A 115 has ensured that each first drenches with rain hole A 114 nonclogging Under the premise of can all be lauched.Isocon A 122 and point water plate A 116 is close stuck, guarantees the water flow quilt flowed out in apopore A 123 Pressure is flowed through in Diverging area.There are gap between point water plate A 116 and the first drawer wall A 113, guarantee that each Diverging area exists Water flow terminal connection, once certain Diverging area, there is a situation where blocking, the water in the region can flow into other regions by connection end It falls, is not in that certain areas of blockage leads to water level excessively high the case where causing leak.Water flow drenches with rain hole A from the first of the box 1 that drenches with rain Even drop down in 114 is fallen in lower layer filter medium box A 2.Filter material (such as white cotton) is placed on support frame A 221, water flow By being fallen on after filter material on box body bottom (i.e. bottom of drawer), when the water level of bottom water exceeds the second overflow ring A 215, water flow meeting It is fallen into next layer of filter medium box A 2 or lautertuns by the second hole A 214 that drenches with rain.

Embodiment 2

A kind of physical filtering case further includes following overflow and anti-backflow design on the basis of 1 structure of embodiment:

Overflow: the first water fender A 112, the first water fender A 112 installation are also equipped in the box body for the box A 1 that drenches with rain The first drawer is the side of A 111 and (the first drawer is the first drawer of A 111 and two sides with 1 inboard wall of cartridge of box A that drenches with rain Between wall A 113) the first overflow area A 120 of composition is surrounded, meanwhile, its corresponding two sides drawer wall of the first water fender A 112, The separation district's groups for constituting and being made of multiple shunting zone A 119 are surrounded between rear side drawer wall；The height of first water fender A 112 is low In the height for 1 inboard wall of cartridge of box A that drenches with rain, and height is successively lower by centre to both ends.Similarly, the box body of filter medium box A 2 It is inside also equipped with second flap A 212, arrangement and the box A 1 that drenches with rain are essentially identical, second flap A 212 and its phase The filter space constituted for placing filter medium is surrounded between the two sides drawer wall answered, rear side drawer wall.

Anti-backflow design: the box A 1 that drenches with rain, filter medium box A 2 drawer structure in drawer the company with two sides drawer wall It connects place lower part and is equipped with anti-down flow gap (the i.e. first anti-down flow gap A 118, the second anti-down flow gap A 217), anti-down flow gap For triangle.

The principle of above-mentioned design is: there are overflow areas between for water fender and drawer, if water level is excessively high in the box that drenches with rain, water flow meeting It covers water fender to flow out from overflow area, fish jar leak will not be caused from overflowing elsewhere.Relatively intermediate low, the distance of water blocking board ends It is bigger along distance on drawer wall, drawer wall will not be covered from water blocking board ends water flow is excessive causes leak.Drawer wall with Junction is equipped with notch by drawer, and direction refluence is caused along to drawer along bottom of drawer after can preventing water flow from overflowing from overflow area Leak；The water of spilling can be entirely limited in overflow area by the design of water fender and drawer wall notch.

When work, by taking the box A 1 that drenches with rain as an example, the first water fender A 112 and the first drawer are forming overflow between A 111 Area, meanwhile, the first water fender A 112 is the relatively intermediate low plate-like structure in both ends, if whole water level increases in the box A 1 that drenches with rain, Water level, which exceeds 112 least significant end of the first water fender A, can start overflow.Water flow is flowed down along the first water fender A 112, because of the first pumping A 111 and 113 junction the first drawer wall A are equipped with the first anti-down flow gap A 118 by drawer, and water flow will not occur along the box that drenches with rain Box body, that is, drawer lower edge flows backward to the first drawer A 111, then along the first drawer 111 lower edge of A flow out the case where.Filtering is situated between Anti-down 217 design principle of flow gap A of second flap A 212 and second and working method are with the box A 1 that drenches with rain in matter box 2, no It repeats again.

Compared with prior art, physical filtering case has the advantage that in Examples 1 and 2

1, middle part intakes, and it is big to reduce apopore both ends differential water pressures caused by due to the water inlet of one end；

2, it forces to shunt water conservancy diversion, each part of drawer is made to have water flow to flow through；

3, it is equipped with overflow ring, can be just lauched after water level whole in drawer reaches overflow height, ensure that each drainage hole It can be lauched, be lauched uniformly, increase the utilization rate of filter material；

4, it is equipped with special overflow area, even if water level is excessively high to be lauched by overflow area, without being overflowed from drawer surrounding, And overflow area is lower close to the place height of drawer wall, and flood level did not had drawer wall to cause leak when preventing water flow excessive；

5, pumping will not be flowed backward to after water flow overflow along water fender dropping process along drawer lower edge by being equipped with anti-down flow gap Drawer handle, then lower edge is flowed out along drawer.

Embodiment 3

0-27 referring to Fig.1, a kind of rain type filter device, including being mounted on the rain type filter cartridge B on upper layer and being mounted on The rain type filter vat C of lower layer；It is specific as follows:

Rain type filter cartridge B includes the first fair water cone, the second fair water cone, filtering box main body B2 and the first filter material, and first Fair water cone, the second water conservancy diversion cap structure are identical (i.e. structure shown in fair water cone B1 in figure), upper and lower with filtering box main body B2 respectively Both ends connect and inner cavity is interconnected；First filter material B4 setting is in filtering box main body B2；Wherein:

First fair water cone, the second fair water cone, that is, fair water cone B1 include inner cavity perforation and periphery is the pedestal of box body frame structure It is upper with filtering box main body B2's that the first end of B1.1, pedestal B1.1 are equipped with the reticular structure of several uniformly distributed tap holes, second end Portion or lower part connection；The collector nozzle B1.2 of multiple perforations is provided in the peripheral frame of pedestal B1.1.

Filtering box main body B2 includes the cylindrical body of inner cavity perforation, and more are intervally distributed on the outer wall of cylindrical body vertically The the first water conservancy diversion protrusion B2.1 extended, and the first flow-guiding channel B2.3 is constituted between the first adjacent water conservancy diversion protrusion B2.1, first The top and bottom flow-guiding channel B2.3 are spatially opposite with the collector nozzle B1.2 on the first fair water cone and the second fair water cone respectively It answers；The vertical bar shape first through hole B2.2 being connected to inner cavity is provided on cylindrical body wall where first flow-guiding channel B2.3； First filter material B4 is mounted in cylindrical body.

Rain type filter vat C includes third fair water cone C1, filter vat main body C3 and the second filter material C4, third fair water cone C1 (i.e. structure shown in fair water cone B1 in figure) identical as the first fair water cone, the second water conservancy diversion cap structure, on filter vat main body C3 End connects and inner cavity is interconnected；Second filter material C4 is arranged in filter vat main body C3；Wherein:

Filter vat main body C3 includes the cylindrical body of inner cavity perforation, and more are intervally distributed on the outer wall of cylindrical body vertically The the second water conservancy diversion protrusion C3.1 extended, and the second flow-guiding channel C3.6 is constituted between the second adjacent water conservancy diversion protrusion C3.1, second The upper end flow-guiding channel C3.6 and the collector nozzle on third fair water cone are spatially corresponding, and further, filter vat main body The first flow-guiding channel B2.3 on the second flow-guiding channel C3.6 and filtering box main body B2 on C3 is spatially also corresponding. First flow-guiding channel B2.3 and the second flow-guiding channel C3.6 can facilitate smooth in water flow to pass through, while prevent caused by filter material blocking Water flow is unsmooth.

The vertical bar shape second being connected to there are two being spaced apart on cylindrical body wall where second flow-guiding channel C3.6 with inner cavity Through-hole C3.2；The lower, transverse of cylindrical body inner cavity is arranged at intervals between more points of water tooth C3.5, Duo Genfen water teeth and sets up two Root reinforcement C3.4；The lower part of more points of water tooth C3.5 extends downward to form drainage plate C3.3, using every a point of water tooth A drainage plate C3.3 is arranged in C3.5, and the lower end of drainage plate C3.3 is higher than the lower end of filter vat main body C3 cylindrical body, adjacent to draw Drainage channel C3.7 is constituted between flowing plate C3.3；Second filter material C4 is mounted in point cylindrical body on the top water tooth C3.5.

Rain type filter cartridge B and rain type filter vat C is dark opaque plastics material；The filter of first filter material B4 and second Material C4 can be selected according to water quality situation: if water quality impurity suspended matter is more or pH value must adjust, corresponding adjust may be selected Filter material, such as active carbon, coral sand；If need not adjust, the fillable filter material that will not change water quality, such as biochemical cotton.

In use, by the water-permeable plank of multiple rain type filter cartridges and framed bent is on the upper layer for drenching with rain filter chamber E4.1, By multiple rain type filter vat lay out in parallel in the lower layer of filter chamber E4.1 that drenches with rain, and rain type filter cartridge and rain type filter vat The two is corresponding.Water flow in fish jar is fallen on the rain type filter cartridge of upper layer at raindrop shape from top to bottom after physical filtering, Water flow enters in filter cartridge main body B2 after the drainage of the first fair water cone, after being placed on the first filter material B4 therein, then It is shunted via the second fair water cone of lower layer, may ultimately reach uniform fluid flow and flow through, the purpose at non-water flow dead angle finally flows out upper layer Rain type filter cartridge.Filter box main body B2 outer wall be equipped with the first flow-guiding channel B2.3, if ensure that filter material cross water it is unsmooth when water Stream can still be flowed through by flow-guiding channel, while be provided with first through hole B2.2 in the groove of the first flow-guiding channel B2.3, be prevented The problem for causing water flow unsmooth in the case where filter material blocking, while contact of the water flow with air is increased, increase molten in water Oxygen amount provides sufficient oxygen for the vital movement of nitrobacteria.The third fair water cone C1 of lower layer's rain type filter vat is herein The effect of point water is primarily served, ensures that uniform fluid flow passes through the second filter material C4 in filter vat main body C3.Water flow drenches with rain from upper layer After being shunted after flowing out in formula filter cartridge by third fair water cone C1, into filter vat main body C3, box body outer wall is equipped with second and leads The second through-hole of vertical bar shape C3.2 on circulation road C3.6, every second flow-guiding channel C3.6 ensure that the permeability of water flow, will not Blockage phenomenon.Water flow reaches bottom uniformly through the second filter material C4 in box body, flows after being divided water tooth C3.5 uniform divided flows Out.Water flow by flowing away after dividing water tooth C3.5 to flow out along drainage channel C3.7 backward, drainage plate C3.3 distance filtering trench bottom There is certain distance, ensure that and be unaffected when flow velocity is larger, but certain guide functions can be played.

In filter tank of fish tank in actual use, upper layer rain type filter cartridge semi-nudity is exposed at air to rain type filter device B In, when water flow is uniformly fallen along the first fair water cone, the contact area of water and air is increased, the oxygen content in water is increased, Sufficient oxygen can be provided for the vital movement of nitrobacteria below；It can be uniformly through the first filter after water flow is split simultaneously Material B4 will not generate water flow dead angle, and the working efficiency of filter material has been significantly greatly increased.Water flow is shunted by upper layer rain type filter cartridge to be increased After oxygen, then entered in rain type filter vat C by mutually isostructural third fair water cone C1, passes through the second filter material C4 and reach bottom. Flow-guiding channel is equipped with outside filter vat main body C3, and four sides is penetrating, prevents the unsmooth problem of water flow；Its bottom, which is equipped with, divides water Tooth C3.5 and drainage channel C3.7, can shunt uniform fluid flow, and drainage channel does not form the space being closed completely with bottom, this Sample not only plays drainage, but also has ensured that water flow can be quickly through simultaneously.

Embodiment 4

A kind of rain type filter device, structure still further comprise following preferred design on the basis of embodiment 3: Reticular structure on first fair water cone, the second fair water cone and third fair water cone is by multiple cross drainage tooth B1.3 along level Face transverse and longitudinal is alternatively arranged composition, and each cross drainage tooth B1.3 is respectively positioned at the node of reticular structure, adjacent cross to draw It flows to surround between tooth B1.3 and constitutes tap hole, each end (four ends) of cross drainage tooth B1.3 is prolonged to two sides respectively It stretches to form small bulge-structure.The structure design of above-mentioned cross drainage tooth B1.3 increases surface area, improves shunting effect；To Increase the contact area of water and air.The course of work of the present embodiment is repeated no more with embodiment 3.

Compared to the prior art, the rain type filter device in embodiment 3 and 4 specifically has the advantage that

1, the design of upper layer drainage cap combines half-naked the characteristics of revealing in air, and the dissolved oxygen amount in water has been significantly greatly increased, has been The vital movement of nitrobacteria provides sufficient oxygen.

2, it forces to shunt so that improving the working efficiency of nitrobacteria by the water flow of filter material more evenly without dead angle；

3, the filter material that filter cartridge and filter vat inside are filled selects on demand according to condition of water quality, is placed on regular pendulum in box It puts, maintains easily and replace；

4, filter cartridge and filter vat external structure use neutral material, and physics, chemical property are stablized, and not will cause raising water The change of matter physicochemical properties；

5, shape is regular, has greatly saved space when putting use, reduces space waste, and easy to maintain, easy cleaning, Long service life, normal use can be realized to be exempted to change throughout one's life；

Embodiment 5

Referring to shown in Figure 28-38, a kind of dark cabin formula pressure water conservancy diversion cultivation storehouse, including the 4th fair water cone D1, cultivation storehouse main body D2 and biochemical filter element D3；4th fair water cone D1, cultivation storehouse main body D2 down through it is mating installation and the two inner cavity it is mutual Connection constitutes water stream channel, and the 4th fair water cone D1, cultivation storehouse main body D2 are dark opaque plastics material；Biochemical filter element D3 choosing It is selected as biochemical cotton, is filled in the main body D2 of cultivation storehouse；4th fair water cone D1, cultivation storehouse main body D2 and biochemical filter element D3 three are total Water conservancy diversion cultivation storehouse is forced with dark cabin formula is constituted.

4th fair water cone D1 includes inner cavity perforation and the pedestal D1.1 for quadrangle box structure, the top interval of pedestal D1.1 More shunting stripping fork D1.2, lower part are distributed with side by side for connecting with the top of cultivation storehouse main body D2.

Cultivation storehouse main body D2 includes the square tube shape main body of inner cavity perforation, and the bottom opening interval of square tube shape main body is distributed side by side There are more water conservancy diversion stripping fork D2.1, and constitutes diversion trench, a structure of an essay of more water conservancy diversion stripping fork D2.1 between adjacent water conservancy diversion stripping fork D2.1 If two reinforcement D2.2；More vertically extending water conservancy diversion protrusion D2.3, and phase are intervally distributed on the inner wall of square tube shape main body Flow-guiding channel is constituted between adjacent water conservancy diversion protrusion D2.3；Biochemical filter element D3 is that biochemical cotton is filled in cylindrical body.

When work, it is that biochemical cotton is placed in the main body D2 of cultivation storehouse by biochemical filter element D3, covers the 4th fair water cone D1 and be put into training It is used in the E4.2 of bacterium room.Cultivation storehouse main body D2 is dark opaque plastics material, creates dark ring for the existence of nitrobacteria Border, while water quality indicator will not be had an impact.Cultivation storehouse main body D2 inner wall is equipped with the water conservancy diversion being made of water conservancy diversion protrusion D2.3 Channel can play anti-blocking effect if residual garbage is more in biochemical filter element D3, will not influence water flow and pass through.Cultivation storehouse master The bottom body D2 is equipped with the diversion trench that water conservancy diversion stripping fork D2.1 is constituted, and can be split into several strands by diversion trench when water flow flows through.Water conservancy diversion It is equipped with two reinforcement D2.2 between stripping fork D2.1, increases the intensity of water conservancy diversion stripping fork D2.1.It is shunted by diversion trench, so that under And the upper uniform fluid flow by biochemical filter element provides sufficient nutrition and oxygen supply for aerobic nitrobacteria without dead angle.Water Stream outreaches to be shunted by the 4th fair water cone, it is ensured that whole uniform fluid flow is without dead angle.

Embodiment 6

A kind of dark cabin formula pressure water conservancy diversion cultivation storehouse, structure still further comprise following preferred on the basis of embodiment 5 Design: referring to Figure 38, the shunting stripping fork D1.2 floor design of the 4th fair water cone D1 is at arc-shaped, the water conservancy diversion stripping fork D2.1 of diversion trench Left and right ends is designed to arc-shaped；Reinforcement D2.2 floor design is arc-shaped；Above each face is opposite and water (flow) direction Relatively, therefore the design of arc-shaped i.e. cambered surface can reduce water flow impact pressure (arrow is water (flow) direction), it is easier to shunt.This The course of work of embodiment is repeated no more with embodiment 5.

Compared with existing biotechnology, it is following excellent that the dark cabin formula in embodiment 5 and 6 forces water conservancy diversion cultivation storehouse specifically to have Point:

1, dark surrounds is created, the condition that nitrification is more vigorous under nitrobacteria dark situation is met；

2, it forces to shunt so that improving the working efficiency of nitrobacteria by the water flow of filter core more evenly without dead angle；

3, using neutral material, meet nitrobacteria and need neutral or weakly alkaline best life condition；

4, physics, chemical property are stablized, and not will cause the change of raising water quality physicochemical properties；

5, shape is regular, has greatly saved space when putting use, reduces space waste, and easy to maintain, easy cleaning, Long service life, normal use can be realized to be exempted to change throughout one's life；

6, filter core volume is big, and porosity is high, provides enough living spaces for depending on for nitrobacteria, increases simultaneously Filter core permeability preferably can provide nutrition and oxygen supply for aerobic nitrobacteria.

Embodiment 7

Referring to Fig. 1-38, a kind of the bottom of the tank filtration system, including physical filtering case A, rain type filter device, dark cabin formula Water conservancy diversion cultivation storehouse D and lautertuns E are forced, rain type filter device includes rain type filter cartridge B and the installation for being mounted on upper layer In the rain type filter vat C of lower layer.

Lautertuns E is divided into the filter chamber that drenches with rain being sequentially communicated between passing through partition (first partition E4.4, second partition E 4.5) E4.1, baterial cultivation chamber E4.2 and upper water chamber E 4.3, the filter chamber E4.1 and upper water chamber E 4.3 that drenches with rain is one, baterial cultivation chamber E4.2 is four that juxtaposition is arranged successively；It wherein drenches with rain between filter chamber E4.1, baterial cultivation chamber E4.2 by between first partition E4.4 Every passing through the second partition E4.5 that is sequentially arranged, the interval first partition E4.4 between four baterial cultivation chambers；Second partition E4.5, Between one partition E4.4 apart from one another by and first partition E4.4 height be higher than second partition E4.5 height；First partition E4.4 Opening forms lower flow channel between the bottom surface lautertuns E, forms upper runner between the upper end second partition E4.5 and first partition E4.4.

Rain type filter cartridge B and rain type filter vat C(embodiment 4) it is arranged in the filter chamber E4.1 that drenches with rain of lautertuns E, Dark cabin formula forces water conservancy diversion cultivation storehouse C(embodiment 6) it is arranged in the baterial cultivation chamber E4.2 of lautertuns E, physical filtering case A(embodiment 2) frame drench with rain the filter chamber top E4.1 and with rain type filter device (including rain type filter cartridge B and rain type filter vat C it) corresponds to up and down；Upper water chamber E 4.3 is equipped with water water pump, and water pump is connect by pipeline with fish jar.

As arrows in fig. 5, this filtration system is in use, water flow enters from water inlet pipe drenches with rain box, in distributive pipe point To both ends, the apopore by being located at distributive pipe both ends flows out, and flows into the shunting zone that large area are divided into etc. by point water plate, when drenching with rain Start to be lauched when water level covers overflow hole in drawer (drench with rain box).If a certain shunting zone blocks, the water flow in the area can lead to Cross runner flow into other shunting zones again row be lauched.If water level is excessively high in drawer, when being higher than water fender lowest part, water flow covers water blocking Plate is fallen by overflow area, and anti-down flow gap ensure that the water of spilling will not flow backwards direction to drawer along drawer bottom edge and occur Leak.If apopore blocks, isocon can be removed to cleaning.

Water flow falls on the filter material being placed on the support frame of filter medium box from the drawer even drop down that drenches with rain, passes through filter After material, filter medium cassette bottom portion is fallen in, can be just lauched after box body bottom water level, which rises, does not cross overflow hole.Such design guarantees It is lauched uniformly without dead angle.

Water flow enters the filter chamber that drenches with rain after passing through one or more layers of filter medium box, uniformly falls in rain type filtering On the fair water cone of box, by the shunting of fair water cone, the contact area of water and air is increased, increases the oxygen content in water.Rain Filter material is filled in leaching formula filter cartridge, filter material can be selected according to water quality demand.Rain type filter cartridge semi-nudity is revealed in air, whole Body is penetrating, can increase the dissolved oxygen amount in water.Water flow flows into rain type filter vat after passing through rain type filter cartridge, rain type filtering Bucket is whole penetrating, internal to fill corresponding filter material according to the selection of water quality demand, and top fair water cone plays shunting function.Rain type filter vat Overall structure plays certain guide functions while ensure that water is penetrating to water flow, makes the water flow that will enter in baterial cultivation chamber Uniformly without dead angle.

Water flow enters in baterial cultivation chamber from the filter chamber bottom outflow that drenches with rain, and baterial cultivation chamber can select one or one according to fish jar size More than a.Dark cabin formula forces that water conservancy diversion cultivation storehouse is regular to be placed in baterial cultivation chamber.Water flow, which enters dark cabin formula from bottom, forces water conservancy diversion In cultivation storehouse, dark cabin formula forces water conservancy diversion cultivation orlop portion to have point water tooth moisture stream, water flow can be flow to baterial cultivation chamber by uniform divided flows It is uniformly flowed away upwards again after right end.Dark cabin formula forces water conservancy diversion cultivation storehouse all round closure, by water while creating dark situation Uniform segmentation is flowed, according to the principle that water flow is flowed along shortest path, ensure that uniform fluid flow flows through upwards and be placed on cultivation box master Biochemical filter element in body is not in water flow dead angle, the service efficiency of filter material has been significantly greatly increased.Water flow flow to top, along leading The runner that stream cap has separated, goes successively to next baterial cultivation chamber according to direction shown in arrow in figure.Upper water chamber is eventually arrived at, by water pump It is re-fed into fish jar.

The utility model is not limited to above-mentioned embodiment, within the knowledge of those skilled in the art, The present invention can also be realized without departing from the purpose of the present invention. Make a variety of changes, and the content after variation still falls within the utility model Protection scope.

Claims (10)

1. a kind of the bottom of the tank filtration system, which is characterized in that strong including physical filtering case, rain type filter device, dark cabin formula Water conservancy diversion cultivation processed storehouse and lautertuns；

The lautertuns is that drench with rain filter chamber and baterial cultivation chamber and the partition bottom is equipped with fluid channel by baffle interval；It is described Rain type filter device, dark cabin formula pressure water conservancy diversion cultivation storehouse are arranged in drench with rain filter chamber and the baterial cultivation chamber of the lautertuns In, the physical filtering tank tower is on lautertuns top and corresponding with above and below the rain type filter device；

The physical filtering case includes drench with rain box, filter medium box, cover board and cabinet, and the top and bottom of the cabinet are opening knot Structure, the box that drenches with rain, filter medium box are successively detachably arranged in the cabinet from top to bottom, and the cover board is mounted on institute State cabinet it is suitable for reading on；It is specific as follows:

The box body that box main body is upper opening that drenches with rain, the bottom of the box body is equipped with shunting along its longitudinal centre line Pipe, the top of the isocon are connected with the water inlet pipe communicated therewith, and the other end of the water inlet pipe runs through the cover board；It is described The two sides of isocon are respectively separated the point water plate equipped with multiple lateral arrangements, the bottom surface of the point water plate and the box body bottom Close contact, medial end and the isocon are in close contact, there are gaps between outboard end and the side wall of the box body, and The box body is divided into multiple shunting zones by the point water plate；It is opened on the side of isocon corresponding to each shunting zone Have at least one apopore, box bottom corresponding to each shunting zone be evenly equipped with multiple run through and with filter medium box The first of connection drenches with rain hole, and each first plane where the upper surface in hole that drenches with rain is higher than the bottom surface of the box body；

The filter medium box main body is the box body of upper opening, is evenly equipped with multiple perforative second rain on the bottom surface of the box body Hole is drenched, and each second plane to drench with rain where the upper surface in hole is higher than the bottom surface of the box body；The box cavity lower part peace Equipped with the support frame for being used to support filter medium and lateral arrangement, and plane where support frame as described above is higher than described second and drenches with rain hole Upper surface where plane；

The rain type filter device includes the rain type filter cartridge for being mounted on upper layer and the rain type filter vat for being mounted on lower layer； It is specific as follows:

The rain type filter cartridge includes the first fair water cone, the second fair water cone, filtering box main body and the first filter material, and described first Fair water cone, the second water conservancy diversion cap structure are identical, connect respectively with the filtering box main body upper/lower terminal and inner cavity is interconnected；Institute The setting of the first filter material is stated in filtering box main body；Wherein:

First fair water cone, the second fair water cone include inner cavity perforation and periphery is the pedestal of box body frame structure, the bottom The first end of seat is equipped with the reticular structure of several uniformly distributed tap holes, second end is connect with the top of filtering box main body or lower part； The collector nozzle of multiple perforations is provided in the peripheral frame of the pedestal；

The filtering box main body includes the cylindrical body of inner cavity perforation, is intervally distributed with more on the outer wall of the cylindrical body and erects To the water conservancy diversion protrusion of extension, and the first flow-guiding channel is constituted between adjacent water conservancy diversion protrusion, first flow-guiding channel upper end and Lower end is spatially corresponding with the collector nozzle on first fair water cone and the second fair water cone respectively；First flow-guiding channel At least one through-hole being connected to inner cavity is provided on the cylindrical body wall at place；

First filter material is mounted in the cylindrical body；

The rain type filter vat includes third fair water cone, filter vat main body and the second filter material, the third fair water cone and One fair water cone, the second water conservancy diversion cap structure are identical, connect with filter vat main body upper end and inner cavity is interconnected；Described second Filter material is arranged in filter vat main body；Wherein:

The filter vat main body includes the cylindrical body of inner cavity perforation, and more are intervally distributed on the outer wall of the cylindrical body and is erected To the water conservancy diversion protrusion of extension, and the second flow-guiding channel is constituted between adjacent water conservancy diversion protrusion, second flow-guiding channel upper end with Collector nozzle on the third fair water cone is spatially corresponding；It is provided on cylindrical body wall where second flow-guiding channel At least one through-hole being connected to inner cavity；The lower, transverse of the cylindrical body inner cavity is arranged at intervals with more points of water teeth；

Second filter material is mounted on described divide in the cylindrical body on water tooth top；

It includes the 4th fair water cone, cultivation storehouse main body and biochemical filter element that the dark cabin formula, which forces water conservancy diversion cultivation storehouse,；The fair water cone, Cultivation storehouse main body is installed and is interconnected up and down, and the biochemical filter element is arranged in the main body of cultivation storehouse；Wherein:

4th fair water cone includes inner cavity perforation and periphery is the pedestal of box body frame structure, and the top interval of the pedestal is simultaneously Row is distributed with the top that more shunt stripping fork, lower part and cultivation storehouse main body and connects；

Cultivation storehouse main body includes the cylindrical body of inner cavity perforation, and the bottom opening interval of the cylindrical body is distributed with side by side More water conservancy diversion stripping forks, and diversion trench is constituted between adjacent water conservancy diversion stripping fork；It is intervally distributed on the inner wall of the cylindrical body more The vertically extending water conservancy diversion protrusion of root, and flow-guiding channel is constituted between adjacent water conservancy diversion protrusion；

The biochemical filter element is mounted in the cylindrical body.

2. the bottom of the tank filtration system according to claim 1, which is characterized in that in the physical filtering case:

It is also equipped with the first water fender in the box body of the box that drenches with rain and it forms the first of bottom opening between inboard wall of cartridge Overflow area, the height of first water fender are lower than the height of the inboard wall of cartridge；

It is also equipped with second flap in the box body of the filter medium box and it forms bottom opening between inboard wall of cartridge Second overflow area, the height of the second flap are lower than the height of the inboard wall of cartridge；

Second overflow area is spatially corresponding up and down with first overflow area.

3. the bottom of the tank filtration system according to claim 2, which is characterized in that in the physical filtering case:

The box that drenches with rain, filter medium box are both designed as drawable drawer structure, constitute and are slidably matched between the two and cabinet； The drawer structure includes drawer interconnected, and, drawer wall and bottom of drawer, first water fender, second flap is equal It is mounted on the side of drawer handle and is surrounded between corresponding drawer handle and two sides drawer wall respectively and constitute overflow area；Described The separation for constituting and being made of the multiple shunting zone is surrounded between its corresponding two sides drawer wall of one water fender, rear side drawer wall District's groups；It surrounds to constitute between its corresponding two sides drawer wall of the second flap, rear side drawer wall and be situated between for placing filtering The filter space of matter；

The height of first water fender and second flap is successively lower by centre to both ends；

The box that drenches with rain, filter medium box drawer structure in drawer the junction lower part with two sides drawer wall is respectively equipped with One anti-down flow gap and the second anti-down flow gap, and the first anti-down flow gap and the second anti-down flow gap are triangle.

4. the bottom of the tank filtration system according to claim 1, which is characterized in that in the physical filtering case:

The isocon is movably arranged in box body by the card slot on box box side wall that drenches with rain, and the point water plate and described point Flow tube joining place is designed as coincideing with isocon tube wall U-shaped；The water inlet pipe is connected to the center of the isocon；

The box that drenches with rain is one, and the filter medium box is one or is stacked up and down multiple；Described first drenches with rain hole and Two drench with rain hole outer ring on be equipped with the overflow ring to raise upward, the plane where overflow ring upper surface be higher than box body bottom Face, and overflow ring lower surface and box bottom intersection are designed as arc；

Supporting table is installed in the inner sidewall circumferential direction of the filter medium box box body lower part；Support frame as described above be tower structure and Its lower surface is extended downwardly equipped with multiple support columns；The surrounding of support frame as described above is set up on the supporting table and support column supports On the bottom surface of the filter medium box box body.

5. the bottom of the tank filtration system according to claim 1, which is characterized in that in the rain type filter device:

Reticular structure on first fair water cone, the second fair water cone and third fair water cone is by multiple cross drainage tooth edges Horizontal plane transverse and longitudinal is alternatively arranged composition, and each cross drainage tooth is respectively positioned at the node of reticular structure, adjacent cross to draw It flows to surround between tooth and constitutes tap hole；

Each end of the cross drainage tooth extends to form small bulge-structure to two sides respectively.

6. the bottom of the tank filtration system according to claim 5, which is characterized in that in the rain type filter device:

The pedestal of first fair water cone and the second fair water cone is mounted on the rain type filtering lock cylinder by mating respectively On the suitable for reading and lower mouth of shape main body；The lower part of the third fair water cone pedestal is by mating seat in the rain type filter vat Cylindrical body it is suitable for reading on.

7. the bottom of the tank filtration system according to claim 1, which is characterized in that in the rain type filter device:

The second flow-guiding channel on the first flow-guiding channel and filter vat main body on the filtering box main body is spatially corresponding； The rain type filter cartridge and rain type filter vat are dark opaque plastics material in addition to being filled in the filter material in it；

At least one reinforcement is set up between the more points of water teeth；Prolong downwards the lower part of all or part of more points of water teeth It stretches to form drainage plate, the lower end of the drainage plate is higher than the lower end of cultivation box main body cylindrical body, and structure between adjacent drainage plate At drainage channel.

8. the bottom of the tank filtration system according to claim 1, which is characterized in that the dark cabin formula forces water conservancy diversion cultivation storehouse In:

The lower part of the fair water cone pedestal by mating seat the cultivation storehouse main body cylindrical body it is suitable for reading on；

Successively successively decrease in the more shuntings stripping fork from center to height on both sides；

The biochemical filter element is biochemical cotton；

The left and right ends of the lower end surface for shunting stripping fork and water conservancy diversion stripping fork is cambered surface.

9. the bottom of the tank filtration system according to claim 1, which is characterized in that the dark cabin formula forces water conservancy diversion cultivation storehouse In:

At least one reinforcement is set up between the more water conservancy diversion stripping forks；The lower end surface of the reinforcement is cambered surface；

4th fair water cone, cultivation storehouse main body are dark opaque plastics material.

10. -9 described in any item the bottom of the tank filtration systems according to claim 1, which is characterized in that in the lautertuns:

Upper water chamber is separated between going back in the lautertuns；The filter chamber that drenches with rain, baterial cultivation chamber and upper water chamber according to water (flow) direction according to Secondary successive arrangement, the baterial cultivation chamber are the multiple of one or arranged in parallel；The filter chamber that drenches with rain, baterial cultivation chamber and upper water chamber Between interconnected by the runner of detour, and the water inlet end of baterial cultivation chamber is located at lower part, water outlet and is located at top.