CN201091804Y - Continuous sand filter - Google Patents
Continuous sand filter Download PDFInfo
- Publication number
- CN201091804Y CN201091804Y CNU2007200188209U CN200720018820U CN201091804Y CN 201091804 Y CN201091804 Y CN 201091804Y CN U2007200188209 U CNU2007200188209 U CN U2007200188209U CN 200720018820 U CN200720018820 U CN 200720018820U CN 201091804 Y CN201091804 Y CN 201091804Y
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- sand
- sand filter
- filter
- washing tube
- tube
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Abstract
The utility model relates to a continuous sand filter, belonging to the technical field of filter of recycling filtering materials in a filter. The utility model consists of a taper-shaped bottom cover 1 and a cylinder 2, and a sand washing cylinder 7 is arranged above a movable sand bed 3 inside the cylinder 2. The utility model is characterized in that a sand blocking-distributing plate 11 is arranged at the lower end of the sand washing cylinder 7 and the sand blocking-distributing plate 11 is an inversed plate shape. The sand blocking-distributing plate 11 of the utility model cuts off the connection between the cylinder 2 and the sand washing cylinder 7 to keep stable sand level in the sand washing cylinder, so as to solve the problem that the flow changing of muddy inlet water causes unqualified sand jetting or unqualified suspended solids in clean water.
Description
Technical field
The utility model belongs to the filter technology field of the regeneration of filter inner filtration material, is specifically related to a kind of continuous sand filter.
Background technology
The sewage by suspended thing is removed the main sand filtration processing that relies on.Sand filtration is advanced filter type continuously, but also higher to the operational factor stability requirement.Discharge fluctuation need be controlled at usually metered flow 10% in.Reduce then casting bed again and fall after rise, the sand face descends and leaves washed-out sand bucket bottom, can not intercept the suspension that leaches, and it is normally overflowed from sand tube top enter the suspension outlet, and directly sneak into clear water from sand tube bottom, exceeds standard to the clear water suspension; Increase then casting bed excessive expansion again, the sand face rises and is full of the sand tube, causes sandblast band mud, and silt particle falls into clear water again, and suspension exceeds standard especially.Yet in the sewage disposal actual motion, it is bigger to control this range of flow difficulty, and especially sewage is from the batch production device, and is uncontrollable at all.
The utility model content
In order to solve problems of the prior art, the applicant analyzes and tests the sand body flow behavior, the utility model is provided with the resistance emery cloth emery disc that is shaped as inverted-cone shape on sand washing tube, make and when flow is very little, guarantee best sand steric hindrance sand in the sand tube, thereby stop suspension to sneak into clear water, can improve cloth sand situation again, when flow is necessarily big, swollen the rising of casting bed has enough spaces, unlikely sandblast band mud.
The utility model specifically is achieved by the following technical solution:
A kind of continuous sand filter is made of the bottom 1 and the cylindrical shell 2 of taper, and bottom 1 bottom is provided with buffer table 1-1; The top sidewall of bottom 1 is provided with muddy water water inlet pipe 4, and the shelves water plate 4-1 that water inlet pipe 4 is set in sand filter makes the muddy water that is entered by water inlet pipe 4 pour the bottom of sand filter; The bottom of sand filter is provided with sand extraction tube 9, and the bottom of sand extraction tube 9 is provided with compressed air line 8, and sand extraction tube 9 is passed by the sand filter bottom, and its upper end is connected with separation chamber, center 6; Separation chamber, center 6 parts are inserted the sand washing tube 7 that is arranged on sand filter inside, and sand washing tube 7 is positioned at mobile casting bed 3 tops that are arranged on sand filter inside; Sand washing tube 7 outer walls and shelf 5-1 constitute sewage chamber 5-2, and sewage chamber 5-2 is connected with the sewage pipe 5 that is arranged on cylindrical shell 2 tops; Clear water output 12 also is set on the cylindrical shell 2 is positioned at sewage pipe 5 tops, it is characterized in that, sand washing tube 7 lower ends also are provided with resistance emery cloth emery disc 11, and resistance emery cloth emery disc 11 is inverted taper.Resistance emery cloth emery disc 11 is fixed on the sand washing tube 7 by round steel 10, and round steel 10 bottoms are provided with Lou sand hole (10-1).Round steel 10 bottoms are provided with 4～16 and leak sand hole.
The beneficial effect that the utlity model has is: resistance emery cloth emery disc of the present utility model has improved the cloth sand operating mode of sand washing tube, the mobile casting bed of prior art is taper, and the utility model is an annular, thereby blocked interior sand position of sand washing tube and water yield variation and caused getting in touch of casting bed expansion variation, make to form stable resistance sand position b1 in the sand washing tube, thereby stop suspension to sneak into clear water.
Description of drawings
Fig. 1 is the profile of the continuous sand filter of Comparative Examples;
Fig. 2 is the profile of the continuous sand filter of embodiment 1;
Fig. 3 is an embodiment 1A portion partial elevation view.
The specific embodiment
Among the figure, 1 is bottom, and 1-1 is a buffer table; 2 is cylindrical shell; 3 is mobile casting bed; 4 is the muddy water water inlet pipe, and 4-1 is a shelves water plate; 5 is sewage pipe, and 5-1 is a shelf, and 5-2 is a sewage chamber; 6 is the separation chamber, center; 7 is sand washing tube; 8 is compressed air line; 9 is sand extraction tube; 10 is round steel, and 10-1 is for leaking sand hole; 11 are resistance emery cloth emery disc; 12 is clear water output.
Comparative Examples
As shown in Figure 1, a kind of continuous sand filter is made of the bottom 1 and the cylindrical shell 2 of taper, and bottom 1 bottom is provided with buffer table 1-1; The top sidewall of bottom 1 is provided with muddy water water inlet pipe 4, and the shelves water plate 4-1 that water inlet pipe 4 is set in sand filter makes the muddy water that is entered by water inlet pipe 4 pour the bottom of sand filter; The bottom of sand filter is provided with sand extraction tube 9, and the bottom of sand extraction tube 9 is provided with compressed air line 8, and sand extraction tube 9 is passed by the sand filter bottom, and its upper end is connected with separation chamber, center 6; Separation chamber, center 6 parts are inserted the sand washing tube 7 that is arranged on sand filter inside, and sand washing tube 7 is positioned at mobile casting bed 3 tops that are arranged on sand filter inside; Sand washing tube 7 outer walls and shelf 5-1 constitute sewage chamber 5-2, and sewage chamber 5-2 is connected with the sewage pipe 5 that is arranged on cylindrical shell 2 tops; Clear water output 12 also is set on the cylindrical shell 2 is positioned at sewage pipe 5 tops.
When muddy water enters the continuous sand filter of prior art according to metered flow, in the sand filter cylindrical shell moving bed at curve shown in curve b, casting bed is shown in curve b1 in the sand washing tube, casting bed effect in the sand washing tube is to prevent that the suspension in the sand washing tube from entering the sand filter cylindrical shell, and suspension is discharged by sewage chamber, sewage pipe; When the muddy water flow greater than metered flow 10% the time because casting bed expands, cause casting bed curve in the sand washing tube shown in c, to be higher than the lower port of separation chamber, center, the sandblast phenomenon takes place this moment easily; When the muddy water flow less than metered flow 90% the time, casting bed falls after rise to sand washing tube, shown in curve a, at this moment, does not have casting bed in the sand washing tube, this moment, suspension just entered sand filter, caused the aqueous suspension of clear water output too much to cause defective.In addition, because the variation of flow of inlet water, the position of casting bed changes, thereby causes the variation of flow resistance, causes clear water effluent characteristics instability.
As shown in Figure 2, a kind of continuous sand filter is made of the bottom 1 and the cylindrical shell 2 of taper, and bottom 1 bottom is provided with buffer table 1-1; The top sidewall of bottom 1 is provided with muddy water water inlet pipe 4, and the shelves water plate 4-1 that water inlet pipe 4 is set in sand filter makes the muddy water that is entered by water inlet pipe 4 pour the bottom of sand filter; The bottom of sand filter is provided with sand extraction tube 9, and the bottom of sand extraction tube 9 is provided with compressed air line 8, and sand extraction tube 9 is passed by the sand filter bottom, and its upper end is connected with separation chamber, center 6; Separation chamber, center 6 parts are inserted the sand washing tube 7 that is arranged on sand filter inside, and sand washing tube 7 is positioned at mobile casting bed 3 tops that are arranged on sand filter inside; Sand washing tube 7 outer walls and shelf 5-1 constitute sewage chamber 5-2, and sewage chamber 5-2 is connected with the sewage pipe 5 that is arranged on cylindrical shell 2 tops; Clear water output 12 also is set on the cylindrical shell 2 is positioned at sewage pipe 5 tops, it is characterized in that, sand washing tube 7 lower ends also are provided with resistance emery cloth emery disc 11, and resistance emery cloth emery disc 11 is inverted dish type.As shown in Figure 3, be fixed on the sand washing tube 7 by round steel 10, round steel 10 bottoms are provided with Lou sand hole (10-1).Round steel 10 bottoms are provided with 8 and leak sand hole.
Resistance emery cloth emery disc 11 of the present utility model has been blocked in the sand filter cylindrical shell getting in touch of casting bed in the casting bed and sand washing tube, and the cloth sand mode that has changed sand washing tube is annular cloth sand, and the interior casting bed of cylindrical shell becomes the ring peak shape like this, and the centre is low-lying, is the peak all around.And, because the barrier effect of resistance emery cloth emery disc 11 makes in the sand washing tube 5 and can guarantee a metastable casting bed position, shown in curve b1.When the muddy water flow of inlet water was greater than or less than metered flow, the position of curve b1 was constant substantially, had so just solved the disadvantage of continuous sand filtration equipment incompatibility flowed fluctuation.Because the sand tube is remaining stable sand position, also can guarantee filter effect even if flow is littler, and more little effect is good more; Its cloth sand effect changes ring peak formula into by original unimodal formula, and sand-bed height is tending towards on average, has increased the swollen space of rising of bed, also can adapt to even flow increases 40%.And sand-bed height be tending towards average after, with volume sand beds better effects if.
Claims (3)
1. continuous sand filter is made of the bottom (1) and the cylindrical shell (2) of taper, and bottom (1) bottom is provided with buffer table (1-1); The top sidewall of bottom (1) is provided with muddy water water inlet pipe (4), and the shelves water plates (4-1) that water inlet pipe (4) is set in sand filter make the muddy water that is entered by water inlet pipe (4) pour the bottom of sand filter; The bottom of sand filter is provided with sand extraction tube (9), and the bottom of sand extraction tube (9) is provided with compressed air line (8), and sand extraction tube (9) is passed by the sand filter bottom, and its upper end is connected with separation chamber, center (6); Separation chamber, center (6) part is inserted the sand washing tube (7) that is arranged on sand filter inside, and sand washing tube (7) is positioned at mobile casting bed (3) top that is arranged on sand filter inside; Sand washing tube (7) outer wall and shelf (5-1) constitute sewage chamber (5-2), and sewage chamber (5-2) is connected with the sewage pipe (5) that is arranged on cylindrical shell (2) top; Clear water output (12) also is set on the cylindrical shell (2) is positioned at sewage pipe (5) top, it is characterized in that, sand washing tube (7) lower end also is provided with resistance emery cloth emery disc (11), and resistance emery cloth emery disc (11) is inverted dish type.
2. continuous sand filter according to claim 1 is characterized in that, resistance emery cloth emery disc (11) is fixed on the sand washing tube (7) by round steel (10), and round steel (10) bottom is provided with Lou sand hole (10-1).
3. continuous sand filter according to claim 2 is characterized in that, round steel (10) bottom is provided with 4～16 and leaks sand hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200188209U CN201091804Y (en) | 2007-02-14 | 2007-02-14 | Continuous sand filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200188209U CN201091804Y (en) | 2007-02-14 | 2007-02-14 | Continuous sand filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201091804Y true CN201091804Y (en) | 2008-07-30 |
Family
ID=39899764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200188209U Expired - Fee Related CN201091804Y (en) | 2007-02-14 | 2007-02-14 | Continuous sand filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201091804Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389657A (en) * | 2011-11-25 | 2012-03-28 | 罗文峰 | Continuous sand filtration apparatus |
-
2007
- 2007-02-14 CN CNU2007200188209U patent/CN201091804Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389657A (en) * | 2011-11-25 | 2012-03-28 | 罗文峰 | Continuous sand filtration apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080730 Termination date: 20120214 |