CN105311863A - Wastewater filtering device - Google Patents
Wastewater filtering device Download PDFInfo
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- CN105311863A CN105311863A CN201510858242.9A CN201510858242A CN105311863A CN 105311863 A CN105311863 A CN 105311863A CN 201510858242 A CN201510858242 A CN 201510858242A CN 105311863 A CN105311863 A CN 105311863A
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Abstract
The invention discloses a wastewater filtering device which is characterized by having a right-triangle-shaped horizontal cross-section and comprising a pit, a water inlet formed in the right angle end of the pit, a water outlet formed in one side, opposite to the right angle end, of the pit, and three vertical filtering layers arranged at the bottom of the pit in parallel, wherein the end parts of the three vertical filtering layers are connected with the wall of the pit and are arranged in a sequence of a filtering plate layer, a ceramic filtering material layer and a fiber ball filtering material layer from the water inlet end; water storage parts are formed among the filtering layers; the horizontal cross-section of the filtering plate layer is V-shaped; the horizontal cross-section of the ceramic filtering material layer is straight-line-shaped; the horizontal cross-section of the fiber ball filtering material layer is arc-shaped; the filtering plate layer comprises a concrete filtering plate body and filtering holes which are uniformly arrayed in the filtering plate layer in parallel; and the horizontal cross-section of the filtering plate layer is V-shaped, the horizontal cross-section of the ceramic filtering material layer is straight-line-shaped and the horizontal cross-section of the fiber ball filtering material layer is arc-shaped, thus facilitating enlarging the water filtering area and improving the filtering speed.
Description
Technical field
The present invention relates to a kind of waste water filter device, belongs to water-treatment technology field.
Background technology
The process of industrial wastewater water is the focus of environmental technology field institute common concern now.At present, a large amount of waste water is discharged in the Production in Chemical Plant processes such as food, papermaking, iron and steel, these waste water contain pollutant, just occurring in nature need can be discharged into through process, otherwise be directly discharged in nature water body the dissolved oxygen that can consume rapidly in water, cause water hypoxia and affect the existence of fish and other aquatic animals, the suspension simultaneously in sewage easily under anaerobic decomposes and produces foul smell, worsens water quality.And sewage disposal device of the prior art is generally the filter arranging multistage vertical setting in a cesspool, and sewage is overall comparatively tranquil flows through filter successively, therefore poor processing effect.
Summary of the invention
The present invention is exactly a kind of waste water filter device proposed for the problems referred to above.
A kind of waste water filter device, it is characterized in that: the rectangular triangle in filter plant horizontal cross-section, it comprises hole body, the water inlet of the right angle end setting of hole body, the delivery port that the hole body of the relative side of right angle end is arranged and the setting three layer filtration layer be arranged side by side in bottom, process hole, described three layer filtration layer two ends all connect with hole wall, three layer filtration layer from inlet end successively according to filter plate layer, the ceramic filtering bed of material and the arrangement of fiber-ball filter media layer, space between filter course is retaining part, filter plate layer horizontal cross-section is in " V " type, ceramic filtering bed of material horizontal cross-section linearly type, fiber-ball filter media layer horizontal cross-section is circular arc type, filter plate layer comprises filter opening evenly distributed side by side on concrete filter body and filter plate layer,
Concrete filter body is by (weight) cement 70-80 part, husky 150 parts, feldspar 230-240 part, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms
The ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 50-60 part, titanium dioxide 10-15 part, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 60-70 part, molding adhesive 100 parts, after mixing, balling-up obtains ball base, by base ball 600 DEG C of dryings 6 hours; Burnt till in 1300 DEG C in tunnel cave by dried base ball, obtain ceramic filter material, the ceramic filter material porosity is 60-65%, and average pore aperture is 30-35 μm,
Fiber-ball filter media layer comprises fiber-ball filter media, fiber-ball filter media by (quality) polypropylene fibre 40 parts, polyacrylonitrile fibre 20-30 part, 15 parts, polyester fiber, polyurethane fibre 10 parts, Fypro 5 parts, vinylon 3 parts, CUP 3 parts composition.
Described a kind of waste water filter device, concrete filter body is by (weight) cement 70 parts, husky 150 parts, feldspar 230 parts, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms.
Described a kind of waste water filter device, concrete filter body is by (weight) cement 80 parts, husky 150 parts, feldspar 240 parts, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms.
Described a kind of waste water filter device, concrete filter body is by (weight) cement 75 parts, husky 150 parts, feldspar 235 parts, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms.
Described a kind of waste water filter device, the ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 55 parts, titanium dioxide 13 parts, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 65 parts, molding adhesive 100 parts composition.
Described a kind of waste water filter device, the ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 50 parts, titanium dioxide 10 parts, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 60 parts, molding adhesive 100 parts composition.
Described a kind of wastewater filtering device, the ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 50 parts, titanium dioxide 10 parts, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 60 parts, molding adhesive 100 parts composition.
The ceramic filtering bed of material and fiber-ball filter media layer comprise the cage body of filling filtrate.
Foregoing invention content is relative to the beneficial effect of prior art: 1) right angled triangle hole of the present invention body can save floor space, does not affect the process water yield simultaneously; 2) filter plate layer horizontal cross-section is in " V " type, ceramic filtering bed of material horizontal cross-section linearly type, fiber-ball filter media layer horizontal cross-section is that circular arc type arrangement can increase the water filtration area raising rate of filtration, 3) concrete filter body meets the external intensity requirement of product of the present invention, can also stablize by available protecting filter opening; 4) fiber-ball filter media being main component with polypropylene fibre and polyacrylonitrile fibre effectively removes the suspension in water; 5) use calcite in powder and feldspar powder manufacture ceramic filter material effectively remove the impurity in water.
Accompanying drawing explanation
Fig. 1 is waste water filter device overall schematic.
Fig. 2 is waste water filter device top view.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now describe the specific embodiment of the present invention in detail.
A kind of waste water filter device as shown in Figure 1-2, it is characterized in that: the rectangular triangle in filter plant horizontal cross-section, it comprises hole body 1, the water inlet 2 of the right angle end setting of hole body, the delivery port 3 that the hole body of the relative side of right angle end is arranged and the setting three layer filtration layer be arranged side by side in bottom, process hole, described three layer filtration layer two ends all connect with hole wall, three layer filtration layer from inlet end successively according to filter plate layer 4, the ceramic filtering bed of material 5 and fiber-ball filter media layer 6 arrange, space between filter course is retaining part, filter plate layer horizontal cross-section is in " V " type, ceramic filtering bed of material horizontal cross-section linearly type, fiber-ball filter media layer horizontal cross-section is circular arc type, filter plate layer comprises filter opening evenly distributed side by side on concrete filter body and filter plate layer,
Embodiment 1
A kind of waste water filter device, it is characterized in that: the rectangular triangle in filter plant horizontal cross-section, it comprises hole body, the water inlet of the right angle end setting of hole body, the delivery port that the hole body of the relative side of right angle end is arranged and the setting three layer filtration layer be arranged side by side in bottom, process hole, described three layer filtration layer two ends all connect with hole wall, three layer filtration layer from inlet end successively according to filter plate layer, the ceramic filtering bed of material and the arrangement of fiber-ball filter media layer, space between filter course is retaining part, filter plate layer horizontal cross-section is in " V " type, ceramic filtering bed of material horizontal cross-section linearly type, fiber-ball filter media layer horizontal cross-section is circular arc type, filter plate layer comprises filter opening evenly distributed side by side on concrete filter body and filter plate layer,
Concrete filter body is by (weight) cement 70 parts, husky 150 parts, feldspar 230 parts, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms
The ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 50 parts, titanium dioxide 10 parts, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 60 parts, molding adhesive 100 parts, after mixing, balling-up obtains ball base, by base ball 600 DEG C of dryings 6 hours; Burnt till in 1300 DEG C in tunnel cave by dried base ball, obtain ceramic filter material, the ceramic filter material porosity is 60-65%, and average pore aperture is 30-35 μm,
Fiber-ball filter media layer comprises fiber-ball filter media, fiber-ball filter media by (quality) polypropylene fibre 40 parts, polyacrylonitrile fibre 20 parts, 15 parts, polyester fiber, polyurethane fibre 10 parts, Fypro 5 parts, vinylon 3 parts, CUP 3 parts composition.
Embodiment 2
A kind of waste water filter device, it is characterized in that: the rectangular triangle in filter plant horizontal cross-section, it comprises hole body, the water inlet of the right angle end setting of hole body, the delivery port that the hole body of the relative side of right angle end is arranged and the setting three layer filtration layer be arranged side by side in bottom, process hole, described three layer filtration layer two ends all connect with hole wall, three layer filtration layer from inlet end successively according to filter plate layer, the ceramic filtering bed of material and the arrangement of fiber-ball filter media layer, space between filter course is retaining part, filter plate layer horizontal cross-section is in " V " type, ceramic filtering bed of material horizontal cross-section linearly type, fiber-ball filter media layer horizontal cross-section is circular arc type, filter plate layer comprises filter opening evenly distributed side by side on concrete filter body and filter plate layer,
Concrete filter body is by (weight) cement 80 parts, husky 150 parts, feldspar 240 parts, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms
The ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 60 parts, titanium dioxide 15 parts, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 70 parts, molding adhesive 100 parts, after mixing, balling-up obtains ball base, by base ball 600 DEG C of dryings 6 hours; Burnt till in 1300 DEG C in tunnel cave by dried base ball, obtain ceramic filter material, the ceramic filter material porosity is 60-65%, and average pore aperture is 30-35 μm,
Fiber-ball filter media layer comprises fiber-ball filter media, fiber-ball filter media by (quality) polypropylene fibre 40 parts, polyacrylonitrile fibre 30 parts, 15 parts, polyester fiber, polyurethane fibre 10 parts, Fypro 5 parts, vinylon 3 parts, CUP 3 parts composition.
Embodiment 3
A kind of waste water filter device, it is characterized in that: the rectangular triangle in filter plant horizontal cross-section, it comprises hole body, the water inlet of the right angle end setting of hole body, the delivery port that the hole body of the relative side of right angle end is arranged and the setting three layer filtration layer be arranged side by side in bottom, process hole, described three layer filtration layer two ends all connect with hole wall, three layer filtration layer from inlet end successively according to filter plate layer, the ceramic filtering bed of material and the arrangement of fiber-ball filter media layer, space between filter course is retaining part, filter plate layer horizontal cross-section is in " V " type, ceramic filtering bed of material horizontal cross-section linearly type, fiber-ball filter media layer horizontal cross-section is circular arc type, filter plate layer comprises filter opening evenly distributed side by side on concrete filter body and filter plate layer,
Concrete filter body is by (weight) cement 75 parts, husky 150 parts, feldspar 235 parts, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms
The ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 55 parts, titanium dioxide 13 parts, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 65 parts, molding adhesive 100 parts, after mixing, balling-up obtains ball base, by base ball 600 DEG C of dryings 6 hours; Burnt till in 1300 DEG C in tunnel cave by dried base ball, obtain ceramic filter material, the ceramic filter material porosity is 60-65%, and average pore aperture is 30-35 μm,
Fiber-ball filter media layer comprises fiber-ball filter media, fiber-ball filter media by (quality) polypropylene fibre 40 parts, polyacrylonitrile fibre 25 parts, 15 parts, polyester fiber, polyurethane fibre 10 parts, Fypro 5 parts, vinylon 3 parts, CUP 3 parts composition.
Embodiment 4
A kind of waste water filter device, it is characterized in that: the rectangular triangle in filter plant horizontal cross-section, it comprises hole body, the water inlet of the right angle end setting of hole body, the delivery port that the hole body of the relative side of right angle end is arranged and the setting three layer filtration layer be arranged side by side in bottom, process hole, described three layer filtration layer two ends all connect with hole wall, three layer filtration layer from inlet end successively according to filter plate layer, the ceramic filtering bed of material and the arrangement of fiber-ball filter media layer, space between filter course is retaining part, filter plate layer horizontal cross-section is in " V " type, ceramic filtering bed of material horizontal cross-section linearly type, fiber-ball filter media layer horizontal cross-section is circular arc type, filter plate layer comprises filter opening evenly distributed side by side on concrete filter body and filter plate layer,
Concrete filter body is by (weight) cement 72 parts, husky 150 parts, feldspar 231 parts, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms
The ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 53 parts, titanium dioxide 11 parts, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 62 parts, molding adhesive 100 parts, after mixing, balling-up obtains ball base, by base ball 600 DEG C of dryings 6 hours; Burnt till in 1300 DEG C in tunnel cave by dried base ball, obtain ceramic filter material, the ceramic filter material porosity is 60-65%, and average pore aperture is 30-35 μm,
Fiber-ball filter media layer comprises fiber-ball filter media, fiber-ball filter media by (quality) polypropylene fibre 40 parts, polyacrylonitrile fibre 23 parts, 15 parts, polyester fiber, polyurethane fibre 10 parts, Fypro 5 parts, vinylon 3 parts, CUP 3 parts composition.
Embodiment 5
A kind of waste water filter device, it is characterized in that: the rectangular triangle in filter plant horizontal cross-section, it comprises hole body, the water inlet of the right angle end setting of hole body, the delivery port that the hole body of the relative side of right angle end is arranged and the setting three layer filtration layer be arranged side by side in bottom, process hole, described three layer filtration layer two ends all connect with hole wall, three layer filtration layer from inlet end successively according to filter plate layer, the ceramic filtering bed of material and the arrangement of fiber-ball filter media layer, space between filter course is retaining part, filter plate layer horizontal cross-section is in " V " type, ceramic filtering bed of material horizontal cross-section linearly type, fiber-ball filter media layer horizontal cross-section is circular arc type, filter plate layer comprises filter opening evenly distributed side by side on concrete filter body and filter plate layer,
Concrete filter body is by (weight) cement 78 parts, husky 150 parts, feldspar 237 parts, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms
The ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 58 parts, titanium dioxide 14 parts, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 68 parts, molding adhesive 100 parts, after mixing, balling-up obtains ball base, by base ball 600 DEG C of dryings 6 hours; Burnt till in 1300 DEG C in tunnel cave by dried base ball, obtain ceramic filter material, the ceramic filter material porosity is 60-65%, and average pore aperture is 30-35 μm,
Fiber-ball filter media layer comprises fiber-ball filter media, fiber-ball filter media by (quality) polypropylene fibre 40 parts, polyacrylonitrile fibre 28 parts, 15 parts, polyester fiber, polyurethane fibre 10 parts, Fypro 5 parts, vinylon 3 parts, CUP 3 parts composition.
Claims (7)
1. a waste water filter device, it is characterized in that: the rectangular triangle in filter plant horizontal cross-section, it comprises hole body, the water inlet of the right angle end setting of hole body, the delivery port that the hole body of the relative side of right angle end is arranged and the setting three layer filtration layer be arranged side by side in bottom, hole, described three layer filtration layer two ends all connect with hole wall, three layer filtration layer from inlet end successively according to filter plate layer, the ceramic filtering bed of material and the arrangement of fiber-ball filter media layer, space between filter course is retaining part, filter plate layer horizontal cross-section is in " V " type, ceramic filtering bed of material horizontal cross-section linearly type, fiber-ball filter media layer horizontal cross-section is circular arc type, filter plate layer comprises filter opening evenly distributed side by side on concrete filter body and filter plate layer,
Concrete filter body is by (weight) cement 70-80 part, husky 150 parts, feldspar 230-240 part, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms
The ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 50-60 part, titanium dioxide 10-15 part, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 60-70 part, molding adhesive 100 parts, after mixing, balling-up obtains ball base, by base ball 600 DEG C of dryings 6 hours; Burnt till in 1300 DEG C in tunnel cave by dried base ball, obtain ceramic filter material, the ceramic filter material porosity is 60-65%, and average pore aperture is 30-35 μm,
Fiber-ball filter media layer comprises fiber-ball filter media, fiber-ball filter media by (quality) polypropylene fibre 40 parts, polyacrylonitrile fibre 20-30 part, 15 parts, polyester fiber, polyurethane fibre 10 parts, Fypro 5 parts, vinylon 3 parts, CUP 3 parts composition.
2. a kind of waste water filter device as claimed in claim 1, concrete filter body is by (weight) cement 70 parts, husky 150 parts, feldspar 230 parts, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, (5 parts, allophane powder), steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms.
3. a kind of waste water filter device as claimed in claim 1, concrete filter body is by (weight) cement 80 parts, husky 150 parts, feldspar 240 parts, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms.
4. a kind of waste water filter device as claimed in claim 1, concrete filter body is by (weight) cement 75 parts, husky 150 parts, feldspar 235 parts, 15 parts, flyash, volcanic ash 10 parts, talcum powder 8 parts, 5 parts, allophane powder, steel fibre 10 parts, AEO 4 parts, after the mixing of sodium metasilicate 3 parts, sodium phosphate trimer 2 parts, sodium aluminate 2 parts and 30 parts, water, casting mold forms.
5. a kind of waste water filter device as claimed in claim 1, the ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 55 parts, titanium dioxide 13 parts, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 65 parts, molding adhesive 100 parts composition.
6. a kind of waste water filter device as claimed in claim 1, the ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 50 parts, titanium dioxide 10 parts, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 60 parts, molding adhesive 100 parts composition.
7. a kind of wastewater filtering device as claimed in claim 1, the ceramic filtering bed of material comprises ceramic filter material, ceramic filter material by (quality) calcite in powder 80 parts, feldspar powder 50 parts, titanium dioxide 10 parts, 5 parts, magnesia, chrome green 5 parts, 3 parts, carborundum, 3 parts, diatomite, burn and lose pore former 60 parts, molding adhesive 100 parts composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510858242.9A CN105311863A (en) | 2015-11-30 | 2015-11-30 | Wastewater filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510858242.9A CN105311863A (en) | 2015-11-30 | 2015-11-30 | Wastewater filtering device |
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| CN105311863A true CN105311863A (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510858242.9A Pending CN105311863A (en) | 2015-11-30 | 2015-11-30 | Wastewater filtering device |
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| CN (1) | CN105311863A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107857314A (en) * | 2017-11-23 | 2018-03-30 | 丹阳市华诚包装有限公司 | A kind of degradable cellulose packaging special Sewage treatment filter holder of film preparation |
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| CN103230704A (en) * | 2013-05-31 | 2013-08-07 | 徐臻毅 | Composite type filter for water treatment system |
| CN103908827A (en) * | 2014-03-20 | 2014-07-09 | 苏州腾纳环保科技有限公司 | High-efficiency water purification filter core |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230704A (en) * | 2013-05-31 | 2013-08-07 | 徐臻毅 | Composite type filter for water treatment system |
| CN103908827A (en) * | 2014-03-20 | 2014-07-09 | 苏州腾纳环保科技有限公司 | High-efficiency water purification filter core |
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| CN107857314A (en) * | 2017-11-23 | 2018-03-30 | 丹阳市华诚包装有限公司 | A kind of degradable cellulose packaging special Sewage treatment filter holder of film preparation |
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