CN214781036U - Small biological slow-filtering water supply device - Google Patents

Small biological slow-filtering water supply device Download PDF

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Publication number
CN214781036U
CN214781036U CN202120782159.9U CN202120782159U CN214781036U CN 214781036 U CN214781036 U CN 214781036U CN 202120782159 U CN202120782159 U CN 202120782159U CN 214781036 U CN214781036 U CN 214781036U
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CN
China
Prior art keywords
cavity
filter
water
supply device
water supply
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Expired - Fee Related
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CN202120782159.9U
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Chinese (zh)
Inventor
曹建平
汪小迪
曹巍
张世彬
旷金佩
刘泽
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East China Institute of Technology
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East China Institute of Technology
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Priority to CN202120782159.9U priority Critical patent/CN214781036U/en
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Abstract

The utility model discloses a miniaturized biological slow-filtration water supply device, which comprises a reservoir and a filtering component; a water inlet pipe and a first water outlet pipe are respectively arranged on the reservoir; the filter assembly comprises a filter tank and a filter material assembly, and the filter tank is divided into an upper part and a lower part by a first partition plate; the filter material component is arranged in the upper part of the filter tank, and the upper part of the filter tank is divided into a first cavity, a second cavity and a third cavity by a pair of second partition plates; the lower end of the second cavity is communicated with the first cavity, the upper end of the second cavity is closed, the rear side surface of the second cavity is communicated with the third cavity, and the lower end of the third cavity is communicated with the lower part of the filter tank; the first cavity is positioned below the first water outlet pipe. The miniaturized biological slow-filtration water supply device has a simple structure and low cost, effectively improves the purification capacity of biological slow filtration, ensures the quality of outlet water, and is suitable for being used in rural areas.

Description

Small biological slow-filtering water supply device
Technical Field
The utility model relates to a water treatment water supply field, concretely relates to miniaturized biological water supply installation that strains slowly.
Background
In recent years, the surface water in vast rural areas is polluted to a certain degree and generally shows a micro-pollution state due to disordered stacking of domestic garbage, excessive use of pesticides and chemical fertilizers in agricultural production and the like.
The traditional water treatment process of 'coagulation-sedimentation-filtration-disinfection' is suitable for large-scale centralized water supply, has higher requirements on water purification facility construction, more complex process and higher requirements on operation managers, so the process is not suitable for small-scale water supply in rural villages, especially in some rural areas in the south where residences are scattered and economy falls behind, and most of drinking water safety projects in rural areas adopt small and medium water supply projects mainly in administrative villages or natural villages.
Considering that the traditional physical and chemical methods can not effectively remove pollutants in water, the water quality is difficult to reach the standard, and the drinking water safety of rural residents is influenced. In order to improve the quality of the effluent water, a pretreatment or advanced treatment technology is adopted in the drinking water treatment process. In rural areas of China, the conventional biological slow water filtration treatment technology is mostly built by reinforced concrete or bricks, the filter material is quartz sand, the support layer is gravel, the construction level is limited to low in rural areas, the problems of lack of professional skills and the like exist, the construction of the slow filter tank is not standardized, the filling of the support layer and the filter material is not qualified, the management of sand scraping and the like after operation is not in place, and as a result, the quality of effluent water is difficult to reach the standard, and the physical health of rural residents is influenced. Therefore, the development of distributed water supply treatment technology and related equipment suitable for rural areas in China is urgently needed to ensure the water safety of vast rural residents.
Disclosure of Invention
The utility model provides a miniaturized biological water supply installation that strains slowly, simple structure is with low costs, effectively improves biological purification ability, the guarantee of straining slowly and goes out water quality of water, is applicable to rural area and uses.
In order to achieve the purpose, the miniaturized biological slow filtering water supply device comprises a reservoir and a filtering component;
a water inlet pipe and a first water outlet pipe are respectively arranged on the reservoir;
the filter assembly comprises a filter tank and a filter material assembly, and the filter tank is divided into an upper part and a lower part by a first partition plate;
the filter material component is arranged in the upper part of the filter tank, and the upper part of the filter tank is divided into a first cavity, a second cavity and a third cavity by a pair of second partition plates;
the lower end of the second cavity is communicated with the first cavity, the upper end of the second cavity is closed, the rear side surface of the second cavity is communicated with the third cavity, and the lower end of the third cavity is communicated with the lower part of the filter tank;
the first cavity is positioned below the first water outlet pipe.
Furthermore, the filter material component comprises a volcanic filter material, non-woven fabrics, fiber balls and foam filter beads, the fiber balls are arranged in the first cavity and the lower part of the second cavity, and the foam filter beads are arranged in the third cavity and the upper part of the second cavity;
the non-woven fabrics are in multiple groups and are stacked in the first cavity, the second cavity and the third cavity at intervals up and down;
the volcanic filter material is arranged at the upper end of the first cavity.
Further, be equipped with a plurality of filters that stack from top to bottom in the third cavity, all be equipped with the non-woven fabrics on every filter, one of them filter is located third cavity and filter tank lower part junction.
Further, the particle size of the fiber balls in the upper part of the first cavity is larger than that of the fiber balls in the other positions;
the size of the foam filter beads in the lower part of the third cavity is smaller than that in other positions.
Furthermore, the particle size of the fiber ball is 10-50mm, the particle size of the foam filter bead is 1-4 mm, the aperture of the filter plate for filtering is 0.5-2mm, and the thickness of the volcanic filter material is 2-3 mm.
Furthermore, the upper end of the third cavity is higher than the second cavity and is sealed, a second water discharge pipe is arranged at the sealed side end, and a first water discharge pipe is arranged below the lower part of the filter tank and is positioned below the second water discharge pipe.
Furthermore, the height of a channel for communicating the lower end of the second cavity with the first cavity is 10-25cm, and the width of a channel for communicating the lower end of the third cavity with the lower part of the filter tank is 15-30 cm.
Furthermore, all be equipped with the valve on inlet tube, first outlet pipe, second outlet pipe, first drain pipe and the second drain pipe.
Compared with the prior art, the miniaturized biological slow filtration water supply device has the advantages that the upper part of the filter tank is divided into the first cavity, the second cavity and the third cavity by the pair of second partition plates, source water firstly flows into the first cavity, then flows into the second cavity from the lower end of the first cavity, then flows into the third cavity from the upper end of the second cavity, and finally flows into the lower part of the filter tank from the lower end of the third cavity, and the filter channel is prolonged under the condition that the volume is not changed through the turning-back type filter channel and the corresponding inner multi-layer filter materials, so that the filter effect is better; the filter plate is arranged in the third cavity, so that different filter materials can be effectively supported by the filter plate and impurities can be filtered;
because the upper part of the filter tank is provided with the filter material component, volcanic filter materials, non-woven fabrics, fiber balls with different particle sizes and foam filter beads with different particle sizes are arranged in the first cavity, the second cavity and the third cavity, and colloid, mineral substances, organic substances and inorganic substances in source water are better reduced by mutually combining different multi-layer filter materials, so that the purification capacity and the management effect of source water treatment are improved; the miniaturized biological slow-filtration water supply device has a simple structure and low cost, effectively improves the purification capacity of biological slow filtration, ensures the quality of outlet water, and is suitable for being used in rural areas.
Drawings
Fig. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of the filter assembly of the present invention;
in the figure: 1. a reservoir 11, a water inlet pipe 12 and a first water outlet pipe; 2. the filter comprises a filter component 21, a filter tank 22, a second water outlet pipe 23, a first water outlet pipe 24, a second water outlet pipe 25, a first partition plate 26, a second partition plate 27, a filter plate 31, a volcanic rock filter material 32, non-woven fabrics 33, fiber balls 34 and foam filter beads.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and 2, the miniaturized biological slow filtering water supply device comprises a water reservoir 1 and a filtering assembly 2;
the reservoir 1 is respectively provided with a water inlet pipe 11 and a first water outlet pipe 12;
the filter assembly 2 comprises a filter tank 21 and a filter material assembly, wherein the filter tank 21 is divided into an upper part and a lower part by a first partition plate 25;
a filter material component is arranged in the upper part of the filter tank 21, and the upper part of the filter tank 21 is divided into a first cavity, a second cavity and a third cavity by a pair of second partition plates 26;
the lower end of the second cavity is communicated with the first cavity, the upper end of the second cavity is closed, the rear side surface of the second cavity is communicated with the third cavity, and the lower end of the third cavity is communicated with the lower part of the filter tank 21;
the first cavity is located below the first outlet pipe 12.
Further, the filter material assembly comprises a volcanic filter material 31, non-woven fabrics 32, fiber balls 33 and foam filter beads 34, wherein the fiber balls 33 are arranged in the first cavity and the lower part of the second cavity, and the foam filter beads 34 are arranged in the third cavity and the upper part of the second cavity;
the non-woven fabrics 32 are in multiple groups and are stacked in the first cavity, the second cavity and the third cavity at intervals up and down;
the volcanic rock filter material 31 is arranged at the upper end of the first cavity;
further, a plurality of filter plates 27 which are stacked up and down are arranged in the third cavity, each filter plate 27 is provided with a non-woven fabric 32, and one filter plate 27 is positioned at the joint of the third cavity and the lower part of the filter tank 21;
further, the particle size of the fiber balls 33 in the upper part of the first cavity is larger than that of the fiber balls 33 in the rest positions;
the particle size of the foam filter beads 34 in the lower part of the third cavity is smaller than that of the foam filter beads 34 in other positions;
further, the particle size of the fiber ball 33 is 10-50mm, preferably, the particle size of the fiber ball 33 in the upper part of the first cavity is 40mm, and the particle size of the fiber ball 33 in other positions is 30 mm;
the particle size of the foam filter beads 34 is 1mm-4mm, preferably, the particle size of the fiber balls 33 in the lower part of the third cavity is 1.5mm, and the particle size of the fiber balls 33 in other positions is 3 mm;
the aperture of the filter plate 27 for filtering is 0.5-2mm, and the thickness of the volcanic rock filter material 31 is 2-3 mm;
further, the upper end of the third cavity is higher than the second cavity and is sealed, a second water discharge pipe 24 is arranged at the sealed side end, and a first water discharge pipe 23 is arranged on the lower portion of the filter tank 21 and below the second water discharge pipe 22;
further, the height of a channel for communicating the lower end of the second cavity with the first cavity is 10-25cm, and the width of a channel for communicating the lower end of the third cavity with the lower part of the filter tank 21 is 15-30 cm;
furthermore, valves are arranged on the water inlet pipe 11, the first water outlet pipe 12, the second water outlet pipe 22, the first water discharge pipe 23 and the second water discharge pipe 24;
the miniaturized biological slow-filtration water supply device is suitable for water supply purification of rural single households or small natural villages by taking surface water as a water source, and the range of the water treatment amount is 0.3m3/d-0.6m3Collecting self-flowing water-diversion slow-filtering pool after sedimentation and rough filtration of stream ditch, reservoir or weir pond, converting the traditional biological slow-filtering treatment water source water into single household self-treatment;
when the device is used, the whole device can be placed at a proper position outside rural residences, source water is introduced into the reservoir 1 from the water inlet pipe 11, and the flow rate is adjusted through the control valve, so that the source water in the reservoir 1 flows into the filter assembly 2 at a lower flow rate (0.1m/h-0.3 m/h);
because the upper part of the filter tank 21 is provided with the filter material component, namely organic matters and mineral matters in water are adsorbed and intercepted on the surface of the volcanic filter material 31, microorganisms and algae form a biological membrane on the surface of a filter layer, and water enters the lower layer through the interception of the biological membrane; the filtered source water sequentially enters common fiber balls 33 with the particle sizes of 30mm and 20mm and EPS foam filter beads 34 with the particle sizes of 3.0mm and 1.5mm, anti-aging non-woven fabrics 32 are arranged in the fiber balls 33 and the foam filter beads 34, the non-woven fabrics 32 can be arranged at the upper, middle and lower parts of each filter component to adsorb and filter the water, finally the source water flows out to the lower part of the filter tank 21 through different filter substances, finally flows out from the second water outlet pipe 22 to reach the national drinking water sanitation standard, and is conveyed to users through the water outlet pipe; therefore, through the mutual combination of the volcanic filter material 31, the non-woven fabric 32, the fiber balls 33 with different particle sizes and the foam filter beads 34 with different particle sizes, the colloids, the mineral substances, the organic substances and the inorganic substances in the source water are better reduced, and the purification capacity and the management effect of the source water treatment are improved;
because the upper part of the filtering tank 21 is divided into a first cavity, a second cavity and a third cavity by the pair of second partition plates 26, the lower end of the second cavity is communicated with the first cavity, the upper end of the second cavity is closed, the rear side surface of the second cavity is communicated with the third cavity, and the lower end of the third cavity is communicated with the lower part of the filtering tank 21, the source water firstly flows into the first cavity, then flows into the second cavity from the lower end of the second cavity along with the rise of the liquid level, then flows into the third cavity from the upper end of the second cavity, and finally flows into the lower part of the filtering tank 21 from the lower end of the third cavity, and the filtering channel is prolonged under the condition of unchanged volume through the turning-back type filtering channel and the corresponding inner multi-layer filtering materials, so that the filtering effect is better; in addition, a filter plate 27 is arranged in the third cavity, and different filter materials can be effectively supported through the filter plate 27;
because the upper end of the third cavity is higher than the second cavity and is sealed, the sealed side end is provided with the second drain pipe 24, and the first drain pipe 23 is arranged on the lower part of the filter tank 21 and below the second drain pipe 22, when the filtered water on the upper part of the filter tank 21 is too much, the second drain pipe 24 can be opened to drain water, so that the pressure of the filtered water on the filter material in the third cavity is reduced, and all the water in the lower part of the filter tank 21 can be drained through the second drain pipe 24.

Claims (8)

1. The miniaturized biological slow filtering water supply device comprises a water storage tank (1) and a filtering assembly (2); it is characterized in that the preparation method is characterized in that,
a water inlet pipe (11) and a first water outlet pipe (12) are respectively arranged on the water reservoir (1);
the filter assembly (2) comprises a filter tank (21) and a filter material assembly, wherein the filter tank (21) is divided into an upper part and a lower part by a first partition plate (25);
the filter material component is arranged in the upper part of the filter tank (21), and the upper part of the filter tank (21) is divided into a first cavity, a second cavity and a third cavity by a pair of second partition plates (26);
the lower end of the second cavity is communicated with the first cavity, the upper end of the second cavity is closed, the rear side surface of the second cavity is communicated with the third cavity, and the lower end of the third cavity is communicated with the lower part of the filter tank (21);
the first cavity is positioned below the first water outlet pipe (12).
2. The miniaturized bio-slow filter water supply device according to claim 1, wherein the filter material assembly comprises volcanic filter material (31), non-woven fabric (32), fiber balls (33) and foam filter beads (34), the fiber balls (33) are arranged in the lower part of the first cavity and the second cavity, and the foam filter beads (34) are arranged in the third cavity and the upper part of the second cavity;
the non-woven fabrics (32) are in multiple groups and are stacked in the first cavity, the second cavity and the third cavity at intervals up and down;
the volcanic filter material (31) is arranged at the upper end of the first cavity.
3. A miniaturized biological slow filter water supply device according to claim 2, characterized in that a plurality of filter plates (27) are arranged in the third chamber and stacked up and down, each filter plate (27) is provided with a non-woven fabric (32), and one filter plate (27) is arranged at the joint of the third chamber and the lower part of the filter tank (21).
4. A miniaturized bio-slow filtration water supply device according to claim 3, wherein the particle size of the fiber balls (33) located in the upper portion of the first chamber is larger than the particle size of the fiber balls (33) located in the remaining positions;
the particle size of the foam filter beads (34) positioned in the lower part of the third cavity is smaller than that of the foam filter beads (34) positioned in other positions.
5. A miniaturized bio-slow filter water supply device according to claim 4, wherein the particle size of said fiber ball (33) is 10-50mm, the particle size of said foam filter bead (34) is 1-4 mm, the pore size for filtering on said filter plate (27) is 0.5-2mm, and the thickness of said volcanic filter material (31) is 2-3 mm.
6. The miniaturized biological slow filter water supply device according to any one of claims 2 to 5, wherein the upper end of the third cavity is higher than the second cavity and is sealed, a second water discharge pipe (24) is arranged at the sealed side end, and a first water discharge pipe (23) is arranged below the lower part of the filter tank (21) and below the second water discharge pipe (22).
7. The miniaturized biological slow-filtering water supply device according to claim 6, wherein the height of a channel communicating the lower end of the second cavity with the first cavity is 10-25cm, and the width of a channel communicating the lower end of the third cavity with the lower part of the filter tank (21) is 15-30 cm.
8. The miniaturized biological slow filtering water supply device according to claim 6, wherein valves are arranged on the water inlet pipe (11), the first water outlet pipe (12), the second water outlet pipe (22), the first water outlet pipe (23) and the second water outlet pipe (24).
CN202120782159.9U 2021-04-16 2021-04-16 Small biological slow-filtering water supply device Expired - Fee Related CN214781036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120782159.9U CN214781036U (en) 2021-04-16 2021-04-16 Small biological slow-filtering water supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120782159.9U CN214781036U (en) 2021-04-16 2021-04-16 Small biological slow-filtering water supply device

Publications (1)

Publication Number Publication Date
CN214781036U true CN214781036U (en) 2021-11-19

Family

ID=78687331

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120782159.9U Expired - Fee Related CN214781036U (en) 2021-04-16 2021-04-16 Small biological slow-filtering water supply device

Country Status (1)

Country Link
CN (1) CN214781036U (en)

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Granted publication date: 20211119

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