CN205340302U - Double -deck filter unit of thin grid of rotary drum - Google Patents
Double -deck filter unit of thin grid of rotary drum Download PDFInfo
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- CN205340302U CN205340302U CN201620025267.0U CN201620025267U CN205340302U CN 205340302 U CN205340302 U CN 205340302U CN 201620025267 U CN201620025267 U CN 201620025267U CN 205340302 U CN205340302 U CN 205340302U
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Abstract
The utility model provides a double -deck filter unit of thin grid of rotary drum, the thin grid of rotary drum includes cydariform bars basket and filter unit, filter unit includes inlayer filter screen and outer filter screen, the inlayer filter screen sets up the inlayer at cydariform bars basket, filtration pore on the inlayer filter screen is (1.5~2) mm (10~20) cm's rectangular hole, and the minor face of two row adjacent rectangular holes is arranged along staggering, outer filter screen sets up the skin at cydariform bars basket, just filtration pore on the outer filter screen is by the monoblock filter plate through the formation of punching a hole, the filtration pore is 1~1.5mm's circular port for the aperture. The utility model discloses a filter unit divide into two -layerly, and the filtration pore of inlayer filter screen and the filtration pore shape size of outer filter screen are all inequality, filters the filtration formation level of sewage, filters big filter residue earlier, the little filter residue of refilter, and not only the filter effect is better, and filtration efficiency is also higher.
Description
Technical field
This utility model relates to a kind of sewage-treatment plant, particularly to the filter net device of a kind of rotary drum fine fack.
Background technology
Rotary drum mechanical grille is also known as thin grid filter or spiral grille machine, it is that water float material, sedimentation material and suspended material are separated the ideal equipment taken out with in During Industrial Wastewater Treatment Process by municipal sewage plant, is widely used in city sewage plant, the solid-liquid separation of Industrial Wastewater Treatment engineering, filtering residue cleaning and transmission.
Current rotary drum mechanical grille is mainly by central shaft, driving device and drum screen composition, wherein drum screen is made up by certain grid interval of grid sheet, is connected to the one end of central shaft, and central shaft is driven by driving device and rotates thus driving drum screen to rotate；Wherein drum screen is water inlet end height, low being in tilted layout in water side.During work, pending water flows into from drum screen water inlet end, by strainer filtering, flows to basin outlet from water side, and filtering residue is trapped within grid face, then is discharged into strainer tub.Filtering residue is then through being discharged on conveyer belt after press dewatering or dumper is inside and outside transported.Being squeezed the filtering residue after dehydration, solid content, up to 25%-45%, for reducing outward transport expense and preventing secondary pollution, plays an important role.
Due to existing rotary drum mechanical grille, filter screen on its drum screen is monolayer filter screen, and the grizzly bar with parallel layout that monolayer filter screen is arranged by warp is combined into, filter opening is (1～1.5) mm × (10～20) cm rectangle, during filtration, elongated filtering residue cannot be played crown_interception, cause that filter effect is undesirable.
Summary of the invention
The technical problems to be solved in the utility model, it is in that to provide the double-layer leaching net device of a kind of rotary drum fine fack, the filter opening of inner filter screen and the filter opening shape size of outer filter all differ, the filtration of sewage is formed level filtration, first filter big filtering residue, refiltering little filtering residue, not only filter effect is better, and filter efficiency is also higher.
This utility model is achieved in that the double-layer leaching net device of a kind of rotary drum fine fack, and described rotary drum fine fack includes drum screen and filter net device, and described filter net device includes inner filter screen and outer filter；Described inner filter screen is erected at the internal layer of drum screen, and the filter opening on described inner filter screen is the rectangular opening of (1.5～2) mm × (10～20) cm, and the short edge of adjacent two row's rectangular openings is staggeredly arranged；Described outer filter is erected at the outer layer of drum screen, and the filter opening on described outer filter is formed through punching by monoblock filter plate, and described filter opening is aperture is the circular port of 1～1.5mm.
Further, on described outer filter, described in arbitrary neighborhood, the minimum range at filter opening edge is 1～1.5mm.
The utility model has the advantage of: filter net device of the present utility model is divided into two-layer, the filter opening of inner filter screen and the filter opening shape size of outer filter all differ, the filtration of sewage is formed level filtration, first filter big filtering residue, refilter little filtering residue, not only filter effect is better, and filter efficiency is also higher.
Accompanying drawing explanation
This utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
Fig. 1 is the side-looking broken section structural representation of rotary drum fine fack of the present utility model.
Fig. 2 is the end-view of rotary drum fine fack of the present utility model.
Detailed description of the invention
Refer to shown in Fig. 1 and Fig. 2, double-layer leaching net device 1 of the present utility model, it is incorporated in rotary drum fine fack, described rotary drum fine fack includes drum screen 2 and filter net device 1, and described filter net device 1 includes inner filter screen 11 and outer filter 12；Described inner filter screen 11 is erected at the internal layer of drum screen 2, and the filter opening 112 on described inner filter screen 11 is the rectangular opening of (1.5～2) mm × (10～20) cm, and the short edge of adjacent two row's rectangular openings is staggeredly arranged；Described outer filter 12 is erected at the outer layer of drum screen 2, and the filter opening 122 on described outer filter 12 is formed through punching by monoblock filter plate, and described filter opening 122 is the circular port of 1～1.5mm for aperture.
On described outer filter 12, described in arbitrary neighborhood, the minimum range at filter opening 122 edge is 1～1.5mm.
Drum screen 2 of the present utility model rotates under the effect of driving device, the stain disease containing the solid waste distribution channel through extending in rotary drum is evenly distributed to inner filter screen 11 inwall of the drum screen 2 not stopping rotation, it is blocked on inner filter screen 11 inner surface more than the large scale solid filter residue of filter screen 1 mesh by inner filter screen 11, small size solid filter residue and liquid arrive outer filter 12 through the filter opening 112 on inner filter screen 11, small size solid filter residue is blocked on outer filter 12 inner surface by outer filter 12, and liquid is then through the filter opening 122 on outer filter 12.The solid filter residue of inner filter screen 11 and outer filter 12 inner surface is all moved to slag bucket, enters the dress slag car along collection slag pipe, thus realizing the function of the solid-liquid separation of sanitary sewage, industrial wastewater.Filter net device of the present utility model is divided into two-layer, and the filter opening of inner filter screen and the filter opening shape size of outer filter all differ, and the filtration of sewage is formed level filtration, first filter big filtering residue, refiltering little filtering residue, not only filter effect is better, and filter efficiency is also higher.
Although the foregoing describing detailed description of the invention of the present utility model; but those familiar with the art is to be understood that; we are merely exemplary described specific embodiment; rather than for the restriction to scope of the present utility model; those of ordinary skill in the art, in the equivalent modification made according to spirit of the present utility model and change, should be encompassed in scope of the claimed protection of the present utility model.
Claims (2)
1. a double-layer leaching net device for rotary drum fine fack, described rotary drum fine fack includes drum screen and filter net device, it is characterised in that: described filter net device includes inner filter screen and outer filter；Described inner filter screen is erected at the internal layer of drum screen, and the filter opening on described inner filter screen is the square opening of (1.5～2) mm × (10～20) cm, and the short edge of adjacent two row's square openings is staggeredly arranged；Described outer filter is erected at the outer layer of drum screen, and the filter opening on described outer filter is formed through punching by monoblock filter plate, and described filter opening is aperture is the circular port of 1～1.5mm.
2. the double-layer leaching net device of a kind of rotary drum fine fack as claimed in claim 1, it is characterised in that: on described outer filter, the minimum range at filter opening edge described in arbitrary neighborhood is 1～1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620025267.0U CN205340302U (en) | 2016-01-12 | 2016-01-12 | Double -deck filter unit of thin grid of rotary drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620025267.0U CN205340302U (en) | 2016-01-12 | 2016-01-12 | Double -deck filter unit of thin grid of rotary drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205340302U true CN205340302U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620025267.0U Active CN205340302U (en) | 2016-01-12 | 2016-01-12 | Double -deck filter unit of thin grid of rotary drum |
Country Status (1)
| Country | Link |
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| CN (1) | CN205340302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363159A (en) * | 2016-12-06 | 2017-02-01 | 武汉威林科技股份有限公司 | Continuous casting tundish |
-
2016
- 2016-01-12 CN CN201620025267.0U patent/CN205340302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106363159A (en) * | 2016-12-06 | 2017-02-01 | 武汉威林科技股份有限公司 | Continuous casting tundish |
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