CN210710941U - Horizontal arrangement type biological filter based on nano mesoporous filter material - Google Patents
Horizontal arrangement type biological filter based on nano mesoporous filter material Download PDFInfo
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- CN210710941U CN210710941U CN201921560189.4U CN201921560189U CN210710941U CN 210710941 U CN210710941 U CN 210710941U CN 201921560189 U CN201921560189 U CN 201921560189U CN 210710941 U CN210710941 U CN 210710941U
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Abstract
The utility model discloses a formula biological filter of arranging based on level of nanometer mesoporous filter material, including a plurality of filter barrel bodies that are the equal height of arranging of level, be equipped with a support frame that can form frame dead zone in filter barrel body bottom in the filter barrel body, it has the bagged filter material of a plurality of inside packing nanometer mesoporous filter materials to pile up on the support frame in order to form the filter material district that has intensive porous structure, can cultivate the fungus crowd in the filter material district, the raw water can enter into the filter barrel body through the water inlet and successively through frame dead zone and filter material district and purified by the fungus crowd, be equipped with one on each filter barrel body and enable the raw water mother liquor part that flows out in this filter barrel body and contain the ripe fungus crowd return flow pipeline in this filter barrel body bottom inner tower dead zone. The utility model discloses in enable the raw water mother liquor part that has mature fungus crowd through the backflow pipeline and flow back to in the filter tank barrel bottom inner tower dead zone and go, further improved the quantity of filter tank barrel fungus crowd, and then can improve the purification efficiency of raw water in the filter tank barrel.
Description
Technical Field
The utility model relates to a sewage treatment device technical field, concretely relates to formula biological filter is arranged to level based on nanometer mesoporous filter material.
Background
Chinese document CN107673365A (application date: 2017, 10 and 30) discloses a wave cracking method for producing modified zeolite, which is characterized in that: the vibration signal generated by high-frequency wave generator is transferred to transducing vibrator, the transducing vibrator converts the electric energy into the vibration wave energy required by signal, the vibration wave generates cavitation effect and cavitation bubble in the elastic propagation medium of modifier aqueous solution, when the cavitation bubble is closed, the instantaneous impact of over 1000 atmospheric pressures is produced, the impact is repeated for several times to discharge the impurity in natural zeolite pore channel, the zeolite lattice frame is kept unchanged, and the anion and zeolite water in the zeolite are removed by cleaning and baking to obtain the modified zeolite. In order to manufacture a filter material with higher quality, the ore with high cation exchange capacity, large specific surface area, large total pore volume and proper average pore diameter is selected as a raw material, the raw material is subjected to wave cracking through the mechanical force, electrostatic force, cavitation and free radical action of high-frequency waves in an aqueous solution, and the high-quality filter material is prepared through high-temperature treatment, so that the ion exchange capacity, the total pore volume and the average pore diameter of the high-quality filter material are further improved.
As human activities cause the ammonia nitrogen in the natural environment to rise at a speed hundreds of times and thousands of times, so that the ecology is continuously deteriorated, people try to control by various methods, and biochemical methods are superior in treatment effect. The zeolite prepared by the wave cracking method is a natural aluminosilicate ore which can generate a boiling phenomenon and can be used as the filter material with the nano mesopores. The crystal structure is a three-dimensional framework formed by connecting silicon (aluminum) oxygen tetrahedrons, and cavities and pore canals with different sizes are arranged in the framework. When sewage is treated, countless nano-scale pore channels in the filter material can physically adsorb ammonia nitrogen, heavy metal and COD particles, NH4-N can be preferentially adsorbed, a high-concentration ammonia nitrogen area with a very low C/N ratio is formed, an ideal matrix environment of short-range denitrification is completed, microorganisms can be attached to the filter material and intensively propagate to form a multi-layer vitamin membrane, dirt adsorbed by the filter material can be continuously digested through the short-range denitrification, and meanwhile, the adsorption and ion exchange functions of the filter material are repeatedly and continuously exerted, so that the filter material is continuously and automatically activated to exert a long-term effect, the filter material does not need to be replaced and frequently maintained, and the treatment cost is greatly reduced. However, mature flora cultured in the filter cylinder of the biofilter in the prior art is easy to be discharged from the water outlet of the filter cylinder, so that the purification effect is reduced.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the utility model provides a level formula biological filter of arranging based on nanometer mesoporous filter material, it mainly solves to cultivate ripe fungus crowd in the filtering pond barrel of the biological filter of prior art and is discharged from the delivery port of filtering pond barrel easily, causes purifying effect to descend.
In order to achieve the purpose, the utility model is realized by the following technical proposal:
a horizontal arrangement type biological filter based on nano-mesoporous filter materials comprises a plurality of filter cylinder bodies which are arranged at equal height, the plurality of filter cylinder bodies are communicated to form a multistage series structure, the lower part of each filter cylinder body is provided with a water inlet through which water can flow in, the upper part of each filter cylinder body is provided with a water outlet through which water can flow out to form a water outlet structure at the upper end of the lower water inlet, the lower part of each filter cylinder body is also provided with an air inlet which can be connected with an aerator, the inside of each filter cylinder body is provided with a support frame which can form a framed area at the bottom of the filter cylinder body, the support height of each support frame is higher than that of the air inlet, a plurality of bagged filter materials filled with the nano-mesoporous filter materials are stacked on each support frame to form a filter material area with a dense porous structure, flora can be cultured in the filter material area, and the water outlet of the filter cylinder body at the upper stage of the two adjacent filter cylinder bodies is communicated with the water inlet of the filter cylinder body at the lower stage through a pipeline, so that raw water can sequentially pass through the plurality of filter cylinder bodies to be purified in multiple stages, and each filter cylinder body is provided with a backflow pipeline which can make the raw water mother liquor containing mature flora flowing out of the filter cylinder body partially flow back to the empty area of the inner frame at the bottom of the filter cylinder body so as to improve the purification efficiency.
Furthermore, a water pump is arranged on a pipeline connecting the water outlet of the filter cylinder at the upper stage of the two adjacent filter cylinders with the water inlet of the filter cylinder at the lower stage, so that water flowing out of the filter cylinder at the upper stage is pressurized and input into the filter cylinder at the lower stage.
Furthermore, the inlet end of the backflow pipeline is connected to a pipeline connecting the water outlet of the filter tank cylinder with the water inlet of the next-stage filter tank cylinder and is positioned behind the water pump, the outlet end of the backflow pipeline is communicated with an overhead area in the filter tank cylinder, and the backflow pipeline is provided with a backflow amount control valve.
Furthermore, a water outlet of the filter cylinder at the last stage is connected with a water discharge pipeline, the water discharge pipeline is provided with a water pump and a water outlet control valve, the inlet end of a return pipeline of the filter cylinder is connected with the water discharge pipeline and is positioned between the water pump and the water outlet control valve, and the outlet end of the return pipeline is communicated with an overhead area in the filter cylinder.
Furthermore, the amount of raw water mother liquor which flows back through the return pipeline by each filter cylinder is controlled to be 10-20% of the outflow amount of the water outlet of the filter cylinder through the return flow control valve.
Furthermore, the upper end of the filter tank cylinder body is provided with a ventilation port.
Furthermore, an aeration device connected with the air inlet is arranged in a frame empty area at the bottom of the filter tank barrel, and the oxygen content of water in the filter tank barrel can be intermittently improved through the aeration device, so that aerobic bacteria, facultative bacteria and anaerobic bacteria can be better cultured to form a flora.
Furthermore, a certain distance is arranged between the upper layer of the filter material area in the filter tank body and the water outlet at the upper part of the filter tank body to form a water outlet cache area.
Furthermore, the support frame includes supporting legs and supporting network, and the setting height of supporting network is higher than the air inlet, and a plurality of filter material superposes on the supporting network in bags.
Further, the horizontal arrangement type biological filter based on the nano mesoporous filter material comprises three filter cylinder bodies, wherein the three filter cylinder bodies are arranged horizontally at the same height and communicated to form a multistage series structure.
The level formula biological filter of arranging based on nanometer mesoporous filter material, have following advantage:
1. the filter cylinder body can form an overhead area which is convenient for raw water to be treated to be uniformly dispersed in the filter cylinder body at the bottom of the filter cylinder body through a support frame, a plurality of layers of bagged filter materials filled with nano mesoporous filter materials are stacked on the support frame to form a filter material area with a dense porous structure, a certain amount of biological strains can be carried in the raw water to be treated, when the raw water to be treated is pressurized and input into the filter cylinder body, the biological strains can further concentrate, grow, develop and reproduce in the filter cylinder body to form a multi-level biological membrane, and ammonia nitrogen and water absorbed by the nano mesoporous filter materials physically are converted into nitrogen and water by the biological membrane, so that sewage purification is realized. And a plurality of filter tank barrels are communicated to form a multi-stage series structure, so that the purification effect on raw water is further improved.
2. The filter cylinder is of a structure that water enters from the lower end and exits from the upper end, and the water entering and exiting structure can enable the filter cylinder to flow through and be more fully and uniformly contacted with bagged filter materials in a filter material area, so that the purification effect is further improved.
3. The filter cylinder is provided with a return pipeline which can make the raw water mother liquor containing mature flora flowing out of the filter cylinder partially flow back to the inner frame dead zone at the bottom of the filter cylinder, because the growth and development of the flora in the filter cylinder need a certain time, and the water in the filter cylinder is direct flow, if the return pipeline is not designed on the filter cylinder, the mature flora cultured in the filter cylinder can be directly discharged from the water outlet of the filter cylinder, and the utility model discloses in can make the raw water mother liquor with mature flora partially flow back to the inner frame dead zone at the bottom of the filter cylinder through the return pipeline, further improve the quantity of the flora in the filter cylinder, and further improve the purification efficiency of the raw water in the filter cylinder.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic view of another perspective structure according to an embodiment of the present invention.
Fig. 3 is a schematic view of another angle of the embodiment of the present invention.
Fig. 4 is a schematic view of the internal structure of the filter tank cylinder according to the embodiment of the present invention.
Fig. 5 is a schematic diagram of the stack of bagged filter material in the filter tank body according to the embodiment of the present invention.
Description of reference numerals:
1. the filter tank comprises a filter tank body, 2, an aerator, 3, a support frame, 4, bagged filter materials, 5, a backflow pipeline, 6, a water pump, 7, a water outlet control valve, 11, a water inlet, 12, a water outlet, 13, an air inlet, 14, a ventilation opening, 15, an overhead area, 16, a filter material area, 17, a water outlet cache area, 31, support legs, 32, a support net, 51 and a backflow control valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1 to 5, in this embodiment, a horizontal arrangement type biological filter based on nano-mesoporous filter materials comprises a plurality of filter cylinder bodies 1 arranged at equal height, the filter cylinder bodies 1 are communicated to form a multi-stage series structure, a water inlet 11 for water to flow in is formed at the lower part of each filter cylinder body 1, a water outlet 12 for water to flow out is formed at the upper part of each filter cylinder body 1 to form a water outlet structure at the upper end for water to flow in, an air inlet 13 capable of being connected with an aerator 2 is further formed at the lower part of each filter cylinder body 1, a support frame 3 capable of forming a frame empty area 15 at the bottom of each filter cylinder body 1 is arranged in each filter cylinder body 1, the support height of each support frame 3 is higher than that of the air inlet 13, a plurality of bagged filter materials 4 filled with nano-mesoporous filter materials are stacked on each support frame 3 to form, raw water to be treated can enter the filter cylinder bodies 1 through the water inlet 11 and sequentially passes through the framed space area 15 and the filter material area 16 to be purified by flora, the water outlet 12 of the filter cylinder body 1 at the upper stage in the two adjacent filter cylinder bodies 1 is communicated with the water inlet 11 of the filter cylinder body 1 at the lower stage through a pipeline, so that the raw water can sequentially pass through the plurality of filter cylinder bodies 1 to be purified by multiple stages, and each filter cylinder body 1 is provided with a return pipeline 5 which can make a raw water mother liquor part containing mature flora flowing out from the filter cylinder body 1 return to the framed space area 15 at the bottom of the filter cylinder body 1 so as to improve the purification efficiency.
In the embodiment, in the filter cylinder 1, an overhead area 15 which is convenient for raw water to be treated to be uniformly dispersed in the filter cylinder 1 can be formed at the bottom of the filter cylinder 1 through the support frame 3, a plurality of layers of bagged filter materials 4 filled with nano mesoporous filter materials are stacked on the support frame 3 to form a filter material area 16 with a dense porous structure, and the nano mesoporous filter materials in the bagged filter materials 4 can be selected from porous materials in the prior art, such as zeolite or other similar natural aluminosilicate ores with porous structures; the raw water to be treated carries a certain amount of biological strains, when the raw water to be treated is pressurized and input into the filter tank barrel body 1, the biological strains can further concentrate, grow, develop and reproduce in the filter tank barrel body to form a multi-layer biological membrane, and the ammonia nitrogen and the like physically adsorbed by the nano mesoporous filter material are converted into nitrogen and water by the biological membrane so as to realize sewage purification; the filter tank body 1 is of a structure with water inlet at the lower end and water outlet at the upper end, and the water inlet and outlet structure can enable the filter tank body 1 flowing through the filter tank body to be more fully and uniformly contacted with bagged filter materials 4 in a filter material area 16, so that the purification effect is further improved; the multiple filter tank bodies are communicated to form a multi-stage series structure, so that the purification effect on raw water is further improved; and the filter cylinder 1 is provided with a return pipeline 5 which can make the raw water mother liquor containing mature flora flowing out of the filter cylinder 1 partially return to the inner vacant area 15 at the bottom of the filter cylinder 1, because the growth and development of the flora in the filter cylinder 1 need a certain time, and the water in the filter cylinder 1 flows straight, if the return pipeline 5 is not designed on the filter cylinder 1, a considerable part of the mature flora cultured in the filter cylinder 1 can be directly discharged from the water outlet 12 of the filter cylinder 1, in the embodiment, the raw water mother liquor with the mature flora can partially return to the inner vacant area 15 at the bottom of the filter cylinder 1 through the return pipeline 5, thereby further improving the quantity of the flora in the filter cylinder 1 and further improving the purification efficiency of the raw water in the filter cylinder 1.
Referring to fig. 1 to 5, in this embodiment, a water pump 6 is disposed on a pipeline connecting a water outlet 12 of a filter cylinder 1 at a previous stage and a water inlet 11 of a filter cylinder 1 at a next stage in two adjacent filter cylinders 1, so as to pressurize and input water flowing out of the filter cylinder 1 at the previous stage into the filter cylinder 1 at the next stage.
Referring to fig. 1 to 5, in this embodiment, the inlet end of the return pipe 5 is connected to the pipeline connecting the water outlet 12 of the filter cylinder 1 and the water inlet 11 of the next filter cylinder 1, and is located behind the water pump 6, the outlet end of the return pipe 5 is communicated with the empty space 15 in the filter cylinder 1, and the return pipe 5 is provided with a return flow control valve 51.
Referring to fig. 1 to 5, in the embodiment, a water discharge pipeline is connected to a water outlet 12 of the filter cylinder 1 at the last stage, a water pump 6 and a water outlet control valve 7 are arranged on the water discharge pipeline, an inlet end of a return pipeline 5 of the filter cylinder 1 is connected to the water discharge pipeline and is located between the water pump 6 and the water outlet control valve 7, and an outlet end of the return pipeline 5 is communicated with an overhead area 15 in the filter cylinder 1.
Referring to fig. 1 to 5, in the present embodiment, the amount of raw water mother liquor that flows back through the return line of each filter cylinder 1 is controlled by the return control valve 51 to be 10% to 20% of the outflow amount of the water outlet 12 of the filter cylinder 1, and in the present embodiment, the raw water mother liquor return amount is preferably controlled to be 15%.
Referring to fig. 1 to 5, in the embodiment, the upper end of the filter cylinder 1 is provided with a ventilation port 14.
Referring to fig. 1 to 5, in this embodiment, an aeration device connected to an air inlet 13 is disposed in an overhead area 15 at the bottom of the filter cylinder 1, the aeration device can make oxygen entering the filter cylinder 1 through the aerator 2 more uniform and fine, further increase the oxygen content of water in the filter cylinder 1, and intermittently increase the oxygen content of water in the filter cylinder 1 through the aeration device, so as to better culture aerobic bacteria, facultative bacteria and anaerobic bacteria to form a flora. In this embodiment, can open the mode of oxygen-increasing machine 2 through the intermittent type nature and improve the oxygen content of water in the filtering pond barrel 1 intermittently, and then can cultivate aerobic bacteria and facultative anaerobe in filtering pond barrel 1 better, and when oxygen-increasing machine 2 shut down, be favorable to cultivateing the anaerobe in filtering pond barrel 1, and then make the quantity of aerobic bacteria, facultative anaerobe and anaerobe more balanced in filtering pond barrel 1, can improve purifying effect.
Referring to fig. 1 to 5, in the present embodiment, a distance is provided between the upper layer of the filtering material region 16 in the filter cylinder 1 and the water outlet 12 at the upper part of the filter cylinder 1 to form an outlet buffer region 17.
Referring to fig. 1 to 5, in the present embodiment, the support frame 3 includes a support foot 31 and a support net 32, the support net 32 is higher than the air inlet 13, and a plurality of bagged filter materials 4 are stacked on the support net 32. In the embodiment, in order to conveniently install the support frame 3 into the filter tank cylinder 1, the support frame 3 can be divided into a plurality of small support frame blocks, the support frame 3 is formed by assembling a plurality of support frame blocks in the filter tank cylinder 1, and meanwhile, the ventilation port 14 at the upper end of the filter tank cylinder 1 can be arranged to be larger so as to be convenient for placing the support frame blocks and the bagged filter materials 4.
Referring to fig. 1 to 5, in the present embodiment, the horizontally arranged biofilter based on nano-mesoporous filter materials includes three filter cylinders 1, and the three filter cylinders 1 are horizontally arranged at equal heights and communicated to form a multi-stage series structure. However, it will be understood by those skilled in the art that in other embodiments, the number of the filter cartridges 1 may be two or four or more, and is not limited to three as disclosed in the present embodiment, and the more filter cartridges 1 are connected in series, the higher the purification rate is.
Referring to fig. 1 to 5, in this embodiment, the installation height of the aerator 2 is higher than the water outlet 12 of the filter tank body 1 to prevent water in the filter tank body 1 from flowing back into the aerator 2 when the aerator 2 is stopped.
Referring to fig. 1 to 5, in the present embodiment, the water inlet 11 and the air inlet 13 of the filter cylinder 1 are both formed on the circumferential surface of the lower portion of the filter cylinder 1, and the water outlet 12 is formed on the circumferential surface of the upper portion of the filter cylinder 1.
Referring to fig. 1 to 5, in the present embodiment, each layer of bagged filter material 4 in the filter material region 16 is composed of a plurality of rows of bagged filter materials 4 arranged in parallel, and the rows are spaced apart from each other by a distance and staggered from one layer to another. In this embodiment, each layer of bagged filter material 4 in the filter material area 16 is composed of a plurality of rows of bagged filter materials 4 arranged in parallel, a distance is arranged between rows, and the layers are staggered, and the layers of the bagged filter materials 4 are staggered, so that a path formed by gaps among the bagged filter materials 4 in the filter material area 16 for raw water to flow through is lengthened, the retention time of the raw water in the filter material area 16 can be prolonged, and further the purification efficiency can be improved.
Referring to the attached drawings 1 to 5, in the embodiment, the layers of the bagged filter materials 4 in the filter material area 16 are staggered by 90 degrees, the bagged filter materials 4 between rows are staggered and uneven end to end, and the ratio of the height of the filter material area 16 to the height of the vacant area 15 in the filter cylinder 1 is 3-3.5.
Referring to the attached drawings 1 to 5, in the embodiment, the diameter D of the filter cylinder 1 is 200 cm-250 cm, the height H1 of the overhead area 15 is 40 cm-60 cm, the height H2 of the filter material area is 120 cm-210 cm, and the interval between rows of bagged filter materials 4 in the same layer in the filter material area 16 is 2 cm-5 cm.
In this embodiment, stagger 90 between 4 layers of the bagged filter material in the filter material district 16 and the layer, row and row between the bagged filter material 4 be the uneven form of staggering end to end, such mode of piling up can guarantee the pile up steadiness of the bagged filter material 4 in the filter material district 16, and stagger 90 between 4 layers of the bagged filter material, the route that supplies the raw water to flow through that makes the clearance formation between each bagged filter material 4 in filter material district 16 lengthen, can increase the detention time of raw water in filter material district 16, and then can further improve purification efficiency.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; these modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and therefore, all other embodiments obtained by those skilled in the art without any creative effort fall within the protection scope of the present invention.
Claims (10)
1. A horizontal arrangement type biological filter based on a nano mesoporous filter material is characterized in that: comprises a plurality of filter tank barrels (1) which are arranged horizontally and at the same height, the filter tank barrels (1) are communicated to form a multistage series structure, the lower part of the filter tank barrel (1) is provided with a water inlet (11) which can supply water to flow in and the upper part is provided with a water outlet (12) which can supply water to flow out so as to form a lower water inlet and upper water outlet structure, the lower part of the filter tank barrel (1) is also provided with an air inlet (13) which can be connected with an aerator (2), a support frame (3) which can form a frame empty area (15) at the bottom of the filter tank barrel (1) is arranged in the filter tank barrel (1), the support height of the support frame (3) is higher than the air inlet (13), a plurality of bagged filter materials (4) filled with nano-mesoporous filter materials inside are stacked on the support frame (3) so as to form a filter material area (16, raw water to be treated can enter the filter tank cylinders (1) through the water inlet (11) and sequentially passes through the empty rack areas (15) and the filter material areas (16) to be purified by flora, the water outlet (12) of the upper filter tank cylinder (1) of the two adjacent filter tank cylinders (1) is communicated with the water inlet (11) of the lower filter tank cylinder (1) through a pipeline, so that the raw water can sequentially pass through the plurality of filter tank cylinders (1) to be purified in multiple stages, and each filter tank cylinder (1) is provided with a backflow pipeline (5) which can enable a raw water mother liquor part containing mature flora flowing out of the filter tank cylinder (1) and containing the empty rack areas to flow back to the inner rack filter tank (15) at the bottom of the cylinder (1) so as to improve the purification efficiency.
2. The horizontally-arranged biofilter based on nano-mesoporous filter materials according to claim 1, characterized in that: a water pump (6) is arranged on a pipeline connecting a water outlet (12) of the previous filter tank body (1) of the two adjacent filter tank bodies (1) with a water inlet (11) of the next filter tank body (1) so as to pressurize water flowing out of the previous filter tank body (1) and input the water into the next filter tank body (1).
3. The horizontally-arranged biofilter based on nano-mesoporous filter materials according to claim 2, characterized in that: the inlet end of the backflow pipeline (5) is connected to a pipeline connected with the water outlet (12) of the filter tank cylinder (1) and the water inlet (11) of the next-stage filter tank cylinder (1) and is positioned behind the water pump (6), the outlet end of the backflow pipeline (5) is communicated with a frame empty area (15) in the filter tank cylinder (1), and the backflow pipeline (5) is provided with a backflow amount control valve (51).
4. The horizontally-arranged biofilter based on nano-mesoporous filter materials according to claim 3, characterized in that: a water outlet (12) of the filter tank cylinder (1) at the last stage is connected with a water discharge pipeline, the water discharge pipeline is provided with a water pump (6) and a water outlet control valve (7), the inlet end of a return pipeline (5) of the filter tank cylinder (1) is connected with the water discharge pipeline and is positioned between the water pump (6) and the water outlet control valve (7), and the outlet end of the return pipeline (5) is communicated with a vacant area (15) in the filter tank cylinder (1).
5. The horizontally-arranged biofilter based on nano-mesoporous filter materials according to claim 4, characterized in that: the amount of raw water mother liquor which flows back from each filter tank cylinder (1) through a return pipeline (5) is controlled to be 10-20% of the outflow amount of a water outlet (12) of the filter tank cylinder (1) through a return amount control valve (51).
6. The horizontally-arranged biofilter based on nano-mesoporous filter materials according to claim 1, characterized in that: the upper end of the filter tank cylinder body (1) is provided with a ventilation port (14).
7. The horizontally-arranged biofilter based on nano-mesoporous filter materials according to claim 1, characterized in that: an aeration device connected with the air inlet (13) is arranged in a frame empty area (15) at the bottom of the filter tank cylinder body (1), and the oxygen content of water in the filter tank cylinder body (1) can be intermittently improved through the aeration device, so that aerobic bacteria, facultative bacteria and anaerobic bacteria can be better cultured to form a flora.
8. The horizontally-arranged biofilter based on nano-mesoporous filter materials according to claim 1, characterized in that: the upper layer of a filter material area (16) in the filter tank cylinder body (1) is separated from a water outlet (12) at the upper part of the filter tank cylinder body (1) by a certain distance to form a water outlet buffer area (17).
9. The horizontally-arranged biofilter based on nano-mesoporous filter materials according to any one of claims 1 to 8, characterized in that: the support frame (3) comprises support legs (31) and a support net (32), the support net (32) is higher than the air inlet (13), and a plurality of bagged filter materials (4) are stacked on the support net (32).
10. The horizontally-arranged biofilter based on nano-mesoporous filter materials according to any one of claims 1 to 8, characterized in that: the horizontal arrangement type biological filter based on the nano mesoporous filter material comprises three filter cylinder bodies (1), wherein the three filter cylinder bodies (1) are arranged in a horizontal equal-height mode and communicated to form a multistage series structure.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115784459A (en) * | 2022-12-13 | 2023-03-14 | 上海神石环境工程有限公司 | Novel efficient water ecological treatment system and treatment process and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115784459A (en) * | 2022-12-13 | 2023-03-14 | 上海神石环境工程有限公司 | Novel efficient water ecological treatment system and treatment process and application thereof |
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