CN203264365U - Closed valveless self-backwashing sand filtering device - Google Patents
Closed valveless self-backwashing sand filtering device Download PDFInfo
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- CN203264365U CN203264365U CN 201320211903 CN201320211903U CN203264365U CN 203264365 U CN203264365 U CN 203264365U CN 201320211903 CN201320211903 CN 201320211903 CN 201320211903 U CN201320211903 U CN 201320211903U CN 203264365 U CN203264365 U CN 203264365U
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Abstract
The utility model discloses a closed valveless self-backwashing sand filtering device which comprises a water filtering chamber, wherein a filter bed layer is arranged inside the water filtering chamber, a drainage chamber is arranged above the water filtering chamber, a head tank is arranged above the drainage chamber, water in the head tank is conveyed to the top of the water filtering chamber through a water outlet pipeline, and water filtered by the filter bed layer reaches the bottom of the water filtering chamber. The closed valveless self-backwashing sand filtering device is further provided with a channel by which the bottom of the water filtering chamber is communicated with the drainage chamber, wherein a drainage pipe used for draining water is arranged on the drainage chamber. The closed valveless self-backwashing sand filtering device is further provided with a backwashing water pipe, the inlet end of which is arranged at the top of the water filtering chamber and the outlet end is arranged at the outer part of the water filtering chamber, wherein the backwashing water pipe is of an inverted U-shaped structure, the height of the outlet end of the backwashing water pipe is lower than that of the inlet end of the backwashing water pipe, when the filtering speed is influenced by enrichment of suspended solids in the filter bed layer, the purpose of automatic backwashing can be achieved through a siphonic effect; and the investment in auxiliary materials is not needed, the closed valveless self-backwashing sand filtering device is not needed to be periodically dismantled for cleaning the internal structure, and the manual operation is also not needed, thus energy resources are saved and the cost is lowered.
Description
Technical field
The utility model relates to the reflexive washed-out sand filter of a kind of closed valveless device, for the interception of the terminal suspension after sewage disposal.
Background technology
At present, the terminal suspension hook procedure of wastewater treatment in China is all generally to adopt sandfiltration pot, upper end water-locator, middle sand filter blanket, the lower end delivery port, this method can effectively be removed the remaining suspension thing in water, it is little that but shortcoming is filter area, need to carry out frequent backwash, and cost is relatively high; Also having a kind of is the mode that adopted filter press, also can effectively remove suspension in water, but its shortcoming is to have increased artificial and power cost.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides the reflexive washed-out sand filter of a kind of closed valveless device, does not need manually-operated to carry out backwash, has reduced cost.
The technical scheme that its technical problem that solves the utility model adopts is:
the reflexive washed-out sand filter of a kind of closed valveless device, comprise that inside is provided with the straining chamber of filter bed layer, the top of straining chamber is provided with drip chamber, the top of drip chamber is provided with head-tank, water in head-tank is carried the top of past straining chamber by outlet conduit, the water of bed filtration arrives the bottom of straining chamber after filtration, also be provided with the passage that is communicated with straining chamber bottom and drip chamber, be provided with the drainpipe that water is discharged on drip chamber, also be provided with arrival end and be arranged on the straining chamber top, the port of export is arranged on the backwash water pipe of outside inverted U-shaped, the port of export height of backwash water pipe is lower than the arrival end of backwash water pipe.
In order to reach good backwash effect, the caliber of described backwash water pipe be head-tank the outlet conduit caliber 1.5-2.0 doubly.
Described backwash water pipe also is connected with the running water drainage tube, can form negative pressure in backwash water pipe pipe by opening running water drainage tube switch, and sand filtering device is carried out forced back washing.
Described backwash water pipe also is connected with the vacuum breaking pipe in other end insertion drip chamber.
Further, described vacuum breaking Guan Yiduan inserts the middle and lower part of drip chamber, and an end and backwash water pipe externally communicate.
Further, described filter bed layer comprises the filter that evenly is covered with its base plate, and the first big after small clean quartz sand that is laid on successively on filter.
Further, in order to reach drainage effect preferably, described filter bed layer height accounts for 0.7-0.8 times of straining chamber's height.
Further, the externally ported end place of backwash water pipe is provided with the backwash pond, and the externally ported end of backwash water pipe inserts in the water in backwash pond.
Further, also be provided with water is transported to centrifugal pump in head-tank.
Further, be positioned on the outlet conduit water side at straining chamber top and backwash water tube inlet end and be provided with filter screen.
the beneficial effects of the utility model are: by the filter bed layer, suspension is filtered, suspension is piled up at the filter bed layer, after being stacked into to a certain degree, the water intake velocity of straining chamber is when leaching speed, water can outbound flow along the backwash water pipe, because the backwash water pipe port of export is under the water surface, in water pipe, water column forms siphon under Action of Gravity Field, in straining chamber, water can adverse current pass through the filter bed layer, reach the backwash purpose, need not the auxiliary material investment, do not need regularly equipment to be taken apart its internal structure of cleaning, do not need manually to operate yet, saved the energy, reduced cost.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model.
The specific embodiment
With reference to Fig. 1.the reflexive washed-out sand filter of a kind of closed valveless of the present utility model device, comprise that inside is provided with the straining chamber 5 of filter bed layer 4, the top of straining chamber 5 is provided with drip chamber 6, the top of drip chamber 6 is provided with head-tank 2, the top that water in head-tank 2 is carried toward straining chamber 5 by outlet conduit 3, the water of bed 4 filtrations arrives the bottom of straining chamber 5 after filtration, also be provided with the passage 15 that is communicated with straining chamber 5 bottoms and drip chamber 6, be provided with the drainpipe 7 that water is discharged on drip chamber 6, also be provided with arrival end and be arranged on straining chamber 5 tops, the port of export is arranged on the backwash water pipe 11 of outside inverted U-shaped, the port of export height of backwash water pipe 11 is lower than the arrival end of backwash water pipe 11.
In order to reach good backwash effect, the caliber of described backwash water pipe 11 be head-tank 2 outlet conduit 3 calibers 1.5-2.0 doubly.
Described backwash water pipe 11 also is connected with running water drainage tube 12, can form negative pressure in backwash water pipe 11 pipes by opening running water drainage tube 12 switches, and sand filtering device is carried out forced back washing.
Described backwash water pipe 11 also is connected with the vacuum breaking pipe 13 in other end insertion drip chamber 6.Further, the middle and lower part that described vacuum breaking pipe 13 1 ends insert drip chamber 6, an end and backwash water pipe 11 externally communicate.
Described filter bed layer 4 comprises the filter 8 that evenly is covered with its base plate, and the first big after small clean quartz sand 9 that is laid on successively on filter 8.
In order to reach drainage effect preferably, described filter bed layer 4 highly accounts for 0.7-0.8 times of straining chamber's 5 height.
The externally ported end place of backwash water pipe 11 is provided with backwash pond 14, and the externally ported end of backwash water pipe 11 inserts in the water in backwash pond 14.
Also be provided with water is transported to centrifugal pump 1 in head-tank 2.
In order to prevent from stopping up water pipe, affect backwash effect, be positioned on outlet conduit 3 water sides at straining chamber 5 tops and backwash water pipe 11 arrival ends and be provided with filter screen 10.
The reflexive washed-out sand of closed valveless filter device comprises head-tank 2, drip chamber 6, straining chamber 5 and backwash pond 14, come waterpipe to lead to head-tank 2 after centrifugal pump 1, the outlet conduit 3 of head-tank 2 and backwash water pipe 11 are connected and insert straining chamber 5 tops in drip chamber 6 bottoms, be that outlet conduit 3 water sides and backwash water pipe 11 arrival ends are incorporated on same pipeline, its end is provided with filter screen 10 and surrounds.Drip chamber 6 is connected to the drainpipe 7 that the water of drip chamber 6 inside is discharged, and four corners are provided with towards the passage 15 of straining chamber 5 bottoms.After containing the suspension processing, water rises to by centrifugal pump 1 top that the rear gravity flow of head-tank 2 enters straining chamber 5, and bed 4 filters after filtration, removes suspension in water, enters the bottom of straining chamber 5, then enters drip chamber 6 by passage 15, is discharged by drainpipe 7.through filtering for a long time, suspension enrichment in filter bed layer 4, water leaches speed and is unable to catch up with the water ingress rate, water will instead be filled with into backwash water pipe 11 like this, when increasing water enters backwash pond 14 by backwash water pipe 11, because the port of export height of backwash water pipe 11 is lower than the arrival end of backwash water pipe 11, water column gravity makes in backwash water pipe 11 and forms negative pressure, form siphonage, because the caliber of backwash water pipe 11 be head-tank 2 outlet conduit 3 calibers 1.5-2.0 doubly, inflow is not enough to satisfy backwash water pipe 11, in drip chamber 6, water will pass back in straining chamber 5 by passage 15, form backwash by filter bed layer 4 again, general drip chamber 6 waters are larger, backwash is just more thorough, when drip chamber 6 middle water levels drop under vacuum breaking pipe 13 ends, backwash pipeline internal pressure and drip chamber 6 pressure balances, negative pressure is broken, backwash stops automatically.
Need not the auxiliary material investment after the utility model builds up, do not need equipment is taken apart and clean its internal structure, also do not need manually to operate, reached the purpose of automatic back-washing, saved the energy, reduced cost.
Certainly, the utility model can also have other structural distortion except above-mentioned embodiment, and these equivalent technical solutions also should be within its protection domain.
Claims (10)
1. device is filtered in the reflexive washed-out sand of closed valveless, comprise that inside is provided with the straining chamber of filter bed layer (4) (5), the top of straining chamber (5) is provided with drip chamber (6), the top of drip chamber (6) is provided with head-tank (2), water in head-tank (2) is carried the top of past straining chamber (5) by outlet conduit (3), the water of bed (4) filtration arrives the bottom of straining chamber (5) after filtration, also be provided with the passage (15) that is communicated with straining chamber (5) bottom and drip chamber (6), be provided with the drainpipe (7) that water is discharged on drip chamber (6), it is characterized in that: also be provided with arrival end and be arranged on straining chamber (5) top, the port of export is arranged on the backwash water pipe (11) of outside inverted U-shaped, the port of export height of backwash water pipe (11) is lower than the arrival end of backwash water pipe (11).
2. the reflexive washed-out sand of a kind of closed valveless according to claim 1 filter device is characterized in that: the caliber of described backwash water pipe (11) be head-tank (2) outlet conduit (3) caliber 1.5-2.0 doubly.
3. device is filtered in the reflexive washed-out sand of a kind of closed valveless according to claim 1, and it is characterized in that: described backwash water pipe (11) also is connected with running water drainage tube (12).
4. device is filtered in the reflexive washed-out sand of a kind of closed valveless according to claim 1, it is characterized in that: described backwash water pipe (11) also is connected with the vacuum breaking pipe (13) in other end insertion drip chamber (6).
5. device is filtered in the reflexive washed-out sand of a kind of closed valveless according to claim 4, it is characterized in that: the middle and lower part that described vacuum breaking pipe (13) one ends insert drip chambers (6), an end and backwash water pipe (11) externally communicate.
6. the reflexive washed-out sand filter of the described a kind of closed valveless of any one device according to claim 1-5, it is characterized in that: described filter bed layer (4) comprises the filter (8) that evenly is covered with its base plate, and the first big after small clean quartz sand (9) that is laid on successively on filter (8).
7. the reflexive washed-out sand filter of the described a kind of closed valveless of any one device according to claim 1-5 is characterized in that: the 0.7-0.8 that described filter bed layer (4) highly accounts for straining chamber (5) height doubly.
8. the reflexive washed-out sand filter of the described a kind of closed valveless of any one device according to claim 1-5, it is characterized in that: the externally ported end place of backwash water pipe (11) is provided with backwash pond (14), and the externally ported end of backwash water pipe (11) inserts in the water in backwash pond (14).
9. the reflexive washed-out sand filter of the described a kind of closed valveless of any one device according to claim 1-5 is characterized in that: also be provided with water is transported to centrifugal pump (1) in head-tank (2).
10. the reflexive washed-out sand filter of the described a kind of closed valveless of any one device according to claim 1-5 is characterized in that: be positioned on outlet conduit (3) water side at straining chamber (5) top and backwash water pipe (11) arrival end and be provided with filter screen (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211903 CN203264365U (en) | 2013-04-24 | 2013-04-24 | Closed valveless self-backwashing sand filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211903 CN203264365U (en) | 2013-04-24 | 2013-04-24 | Closed valveless self-backwashing sand filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203264365U true CN203264365U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320211903 Expired - Lifetime CN203264365U (en) | 2013-04-24 | 2013-04-24 | Closed valveless self-backwashing sand filtering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203264365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840493A (en) * | 2017-12-25 | 2018-03-27 | 新龙鼎控股集团有限公司 | Packaged type adjusts weir plate and its flat flow automatic flushing sewage purifying equipment |
| CN112691417A (en) * | 2019-10-07 | 2021-04-23 | 胡鸣群 | Reversible washing floating bed type reverse sewage treatment system and treatment method thereof |
-
2013
- 2013-04-24 CN CN 201320211903 patent/CN203264365U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840493A (en) * | 2017-12-25 | 2018-03-27 | 新龙鼎控股集团有限公司 | Packaged type adjusts weir plate and its flat flow automatic flushing sewage purifying equipment |
| CN112691417A (en) * | 2019-10-07 | 2021-04-23 | 胡鸣群 | Reversible washing floating bed type reverse sewage treatment system and treatment method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410600 Jinsha Road, Jinzhou District, Hunan, Changsha, No. 018 Patentee after: HUNAN BRUNP RECYCLING TECHNOLOGY Co.,Ltd. Patentee after: GUANGDONG BRUNP RECYCLING TECHNOLOGY Co.,Ltd. Address before: 410600 Jinsha Road, Jinzhou District, Hunan, Changsha, No. 018 Patentee before: HUNAN BRUNP RECYCLING TECHNOLOGY Co.,Ltd. Patentee before: GUANGDONG BANGPU CYCLE TECHNOLOGY CO.,LTD. Address after: 410600 Jinsha Road, Jinzhou District, Hunan, Changsha, No. 018 Patentee after: HUNAN BRUNP RECYCLING TECHNOLOGY Co.,Ltd. Patentee after: GUANGDONG BANGPU CYCLE TECHNOLOGY CO.,LTD. Address before: 410600 Jinsha Road, Jinzhou District, Hunan, Changsha, No. 018 Patentee before: HUNAN BRUNP RECYCLING TECHNOLOGY Co.,Ltd. Patentee before: FOSHAN BRUNP RECYCLING TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |