CN218221846U

CN218221846U - Biological soil filter

Info

Publication number: CN218221846U
Application number: CN202121792410.6U
Authority: CN
Inventors: 王震; 楼炯耀; 张明月
Original assignee: Zhejiang Yongfeng Environmental Protection Technology Inc
Current assignee: Zhejiang Yongfeng Environmental Protection Technology Inc
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2023-01-06
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a biological soil filter, which comprises a filter tank body, wherein a foundation, an air distribution layer, a packing layer, an active soil layer and vegetation are sequentially arranged in the filter tank body from bottom to top; a drainage channel and a sewage discharge pipeline communicated with the drainage channel are arranged on the foundation, and the sewage discharge pipeline extends out of the filter Chi Tiwai; a grid plate for blocking the filler from falling is arranged between the air distribution layer and the filler layer, air distribution pipes are distributed in the air distribution layer in an arrayed manner and are communicated with a waste gas inlet through a main pipe; the packing layer is internally provided with layered packing which sequentially comprises a cobble layer, a volcanic rock layer, a particle size gravel layer and a coarse sand layer from bottom to top; the vegetation is planted on the active soil layer, a spray pipe is buried in the active soil layer, a spray head is arranged on the spray pipe, the spray head is exposed out of the active soil layer, and the spray pipe is connected with a water source through a valve. The utility model discloses the biological soil filtering pond that obtains has improved the durability and the ventilation effect in soil filtering pond, has improved its filtration efficiency.

Description

Biological soil filter

Technical Field

The utility model relates to a biological deodorization technology, in particular to a biological soil filter.

Background

Waste gas treatment has occupied a very important ring in protecting ecological human environment, biological deodorization technique, as the waste gas treatment mode, have with low costs, maintain convenient, advantages such as suitability good, among the prior art, the soil filter is as a deodorizing equipment who uses soil as microorganism carrier, has obtained the application, but current soil filter often with cloth trachea direct landfill in the active soil layer, though what this kind of design usually arranged around the cloth trachea is large granule soil, nevertheless along with processes such as rainwater erosion, microorganism proliferation, biological activity under the soil, large granule soil is easy to be decomposed, harden, lead to the exhaust hole of cloth trachea to suffer the jam, make whole soil filter lose effects.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provide a biological soil filter which can prevent a gas distribution pipe from being blocked.

In order to realize the aim, the biological soil filter tank designed by the utility model comprises a filter tank body, wherein a foundation, an air distribution layer, a packing layer, an active soil layer and vegetation are sequentially arranged in the filter tank body from bottom to top; the foundation is provided with a drainage groove and a sewage discharge pipeline communicated with the drainage groove, and the sewage discharge pipeline extends out of the filter tank body; a grid plate for blocking the filler from falling is arranged between the air distribution layer and the filler layer, air distribution pipes are distributed in the air distribution layer in an arrayed manner and are communicated with a waste gas inlet through a main pipe; the filler layer is internally provided with layered fillers which sequentially comprise a cobblestone layer with the particle size of 60-80mm, a volcanic rock layer with the particle size of 30-50mm, a gravel layer with the particle size of 5-10mm and a coarse sand layer with the particle size of 1-3mm from bottom to top; the vegetation is planted on the active soil layer, has buried the shower in the active soil layer, be equipped with the shower nozzle on the shower, the shower nozzle exposes outside the active soil layer, the shower passes through the valve and connects water supply equipment.

In order to reliably support the packing layer and the upper structure, buttresses are arranged in the gas distribution layer and supported between the foundation and the grid plate.

In order to avoid the sewage from submerging the air distribution pipe, a support is arranged between the air distribution pipe and the foundation, and the support is higher than the surface of the foundation.

In order to ensure the filtering effect, the thickness of the cobblestone layer is 200mm, the thickness of the volcanic rock layer is 300mm, the thickness of the broken stone layer is 50mm, and the thickness of the coarse sand layer is 150mm.

In order to ensure the filtering effect, the thickness of the active soil layer is 100mm.

In order to avoid pollution of the surrounding underground environment by sewage, the foundation is cast with concrete for seepage prevention.

In order to facilitate the spreading and cultivation of microorganisms and further improve the deodorization effect, the valve is connected with a sprinkling irrigation controller.

The utility model discloses the biological soil filtering pond that obtains blocks through the grid board that the filler gets into the cloth gas layer to through setting up mineral filler, slow down erosion process and active soil's loss, improved the durability and the ventilation effect in soil filtering pond, improved its filtration efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the biological soil filter of the utility model.

In the figure: the filter pool comprises a filter pool body 1, a foundation 2, an air distribution layer 3, a packing layer 4, an active soil layer 5, vegetation 6, a grating plate 7, an air distribution air pipe 8, a spray pipe 9, a valve 10, a drainage channel 20, a sewage discharge pipeline 21, a buttress 22, a support 23, a cobble layer 40, a volcanic rock layer 41, a gravel layer 42, a coarse sand layer 43 and a spray head 90.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Example 1:

the biological soil filter described in this embodiment, as shown in fig. 1, includes a filter body 1, and a foundation 2, an air distribution layer 3, a packing layer 4, an active soil layer 5 and vegetation 6 are sequentially disposed in the filter body 1 from bottom to top; a drainage channel 20 and a sewage discharge pipeline 21 communicated with the drainage channel 20 are arranged on the foundation 2, and the sewage discharge pipeline 21 extends out of the filter tank body 1; a grating plate 7 for blocking the filler from falling is arranged between the air distribution layer 3 and the filler layer 4, air distribution pipes 8 are distributed in the air distribution layer 3 in an arrayed manner, and the air distribution pipes 8 are communicated with a waste gas inlet (not shown in the figure) through a main pipe; the filler layer 4 is internally provided with layered fillers which sequentially comprise a cobblestone layer 40 with the particle size of 60-80mm, a volcanic rock layer 41 with the particle size of 30-50mm, a gravel layer 42 with the particle size of 5-10mm and a coarse sand layer 43 with the particle size of 1-3mm from bottom to top; the vegetation 6 is planted on the active soil layer 5, a spray pipe 9 is buried in the active soil layer 5, a spray head 90 is arranged on the spray pipe 9, the spray head 90 is exposed out of the active soil layer 5, and the spray pipe 9 is connected with water supply equipment through a valve 10; the active soil layer 5 is soil in which a microbial flora exists, the microbial flora mainly comprises microbial flora, sulfate reducing bacteria, photosynthetic bacteria, denitrifying bacteria, phosphate solubilizing bacteria, iron reducing bacteria, anaerobic ammonium oxidation bacteria and the like in local soil of a biological soil filter construction land, and the microbial flora and water subsequently used for deodorization and microorganism culture can be sprayed and supplied through a spraying pipe 9.

In order to reliably support the packing layer 4 and the structure above, as shown in fig. 1, a buttress 22 is arranged in the air distribution layer 3, the buttress 22 is supported between the foundation 2 and the grid plate 7, the grid plate 7 isolates the packing, so that the air distribution layer 3 becomes a cavity without the packing, the air distribution air pipe 8 is not blocked by the packing when distributing air in the cavity, the waste gas entering the air distribution layer 3 can upwards enter the packing layer 4 through the grid plate 7, the buttress 22 is arranged to improve the stress condition of the grid plate 7, so that the soil filter tank is more reliable for standby, the buttress 22 in the embodiment adopts a concrete or brick-concrete structure, thereby reducing the speed of being eroded by sewage, and similarly, the grid plate 7 can adopt a glass fiber reinforced plastic material.

In order to prevent sewage from submerging the air distribution pipe 8, as shown in fig. 1, a support 23 is arranged between the air distribution pipe 8 and the foundation 2, the support 23 is higher than the surface of the foundation 2, and the drainage channel 20 can be defined by the support 23.

In order to ensure the filtering effect, the thickness of the cobblestone layer 40 is 200mm, the thickness of the volcanic rock layer 41 is 300mm, the thickness of the gravel layer 42 is 50mm, and the thickness of the coarse sand layer 43 is 150mm.

In order to ensure the filtering effect, the thickness of the active soil layer 5 is 100mm.

In order to avoid pollution of the surrounding underground environment by sewage, the foundation 2 is cast with concrete for seepage prevention.

To facilitate the spreading and cultivation of microorganisms and to further enhance the deodorizing effect, the valve 10 is connected to a sprinkler controller (not shown).

In this embodiment, turf is used as the vegetation 6.

In the actual working process, the exhaust gas enters the gas distribution pipe from the header pipe, the exhaust gas is sent into the gas distribution layer 3 by the gas distribution pipe, the exhaust gas sequentially passes through the grating plate 7, the cobble layer 40 in the packing layer 4, the volcanic rock 41, the gravel layer 42 and the coarse sand layer 43, the microbial biofilm formation phenomenon can also occur in the microbial growth process of each gravel surface in the packing layer 4 in the soil filter, the polluted gas in the exhaust gas from bottom to top can be preliminarily absorbed and filtered, and the water and soil loss of the active soil layer 5 above can be avoided, when the exhaust gas passes through the packing layer 4 and enters the active soil layer 5, the microbial flora in the active soil layer 5 absorbs and decomposes the pollutants in the exhaust gas, after the treatment of the microbial flora, the exhaust gas escapes from the surface of the active soil layer 5 to the atmosphere, in the escape process, the vegetation 6 on the surface of the soil layer can further play a role in purification and absorption, according to the packing layer 4 and the active soil layer 5 provided by the embodiment, the gas distribution speed can be controlled, the exhaust gas can be enabled to stay in the active soil layer 4 and the active soil layer 5 for more than 40 seconds, and the pollutants can be ensured to be sufficiently decomposed and absorbed.

In addition, water can be sprayed through the shower pipe 9 during the rising of the exhaust gas, further improving the deodorizing effect on the exhaust gas.

The biological soil filter that this embodiment provided blocks through grid 7 that filler gets into cloth gas layer 3 to through setting up mineral filler, slow down erosion process and active soil's loss, improved the durability and the ventilation effect in soil filter, improved its filtration efficiency.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. A biological soil filter comprises a filter body (1), and is characterized in that a foundation (2), an air distribution layer (3), a packing layer (4), an active soil layer (5) and vegetation (6) are sequentially arranged in the filter body (1) from bottom to top; a drainage groove (20) and a sewage discharge pipeline (21) communicated with the drainage groove are arranged on the foundation (2), and the sewage discharge pipeline (21) extends out of the filter tank body (1); a grating plate (7) for blocking the filler from falling is arranged between the air distribution layer (3) and the filler layer (4), air distribution pipes (8) are distributed in the air distribution layer (3) in an arrangement manner, and the air distribution pipes (8) are communicated with a waste gas inlet through a main pipe; layered fillers are arranged in the filler layer (4), and the fillers sequentially comprise a cobblestone layer (40) with the particle size of 60-80mm, a volcanic rock layer (41) with the particle size of 30-50mm, a gravel layer (42) with the particle size of 5-10mm and a coarse sand layer (43) with the particle size of 1-3mm from bottom to top; vegetation (6) are planted on active soil layer (5), have buried shower (9) in active soil layer (5), be equipped with shower nozzle (90) on shower (9), shower nozzle (90) expose outside active soil layer (5), shower (9) are through valve (10) connection water supply equipment.

2. A biological soil filter according to claim 1 wherein a pier (22) is provided within the air distribution layer (3), said pier (22) being supported between the foundation (2) and the grid plate (7).

3. A biological soil filter according to claim 1 or 2 wherein a support (23) is provided between the air distribution duct (8) and the foundation (2), said support (23) being higher than the surface of the foundation (2).

4. A biological soil filter according to claim 1 or 2 wherein the cobble layer (40) is 200mm thick, the volcanic rock layer (41) is 300mm thick, the gravel layer (42) is 50mm thick and the coarse sand layer (43) is 150mm thick.

5. A biological soil filter according to claim 1 or 2 wherein the active soil layer (5) has a thickness of 100mm.

6. A biological soil filter according to claim 1 or 2 wherein the foundation (2) is impervious to concrete placement.

7. A biological soil filter according to claim 1 or 2 wherein the valve (10) is connected to a sprinkler irrigation controller.