CN201791411U - Discontinuous flow differential pressure backwashing filter - Google Patents
Discontinuous flow differential pressure backwashing filter Download PDFInfo
- Publication number
- CN201791411U CN201791411U CN2010205649330U CN201020564933U CN201791411U CN 201791411 U CN201791411 U CN 201791411U CN 2010205649330 U CN2010205649330 U CN 2010205649330U CN 201020564933 U CN201020564933 U CN 201020564933U CN 201791411 U CN201791411 U CN 201791411U
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- tank body
- filtrate
- eddy flow
- water
- cutout
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Abstract
A discontinuous flow differential pressure backwashing filter comprises a water distribution device (2), a hermetically sealed tank body (3), a particle filter material (4) , a water collection device (6), a balanced filter material collector (1), a uniform filter material distributor (5), a hollow rotational flow filter material regenerating unit (7), a material stop device , a flow guide ring (8) , a differential pressure regulator (10), filter material lift pipe (11), a flow guide tube (12) and a blowdown valve (13). The discontinuous flow differential pressure backwashing filter can achieve particle filter material backwashing and simultaneously keep the regular water filtration uninterrupted, and guarantee that the filtered water has stable quality and no fluctuation. Moreover, backwashing is realized through utilizing the pressure difference between the water inlet and the drain outlet without the aid of other equipment or auxiliary devices. Therefore, the discontinuous flow differential pressure backwashing filter has the advantages of simplified structure, simplicity in operation and high automation degree, and adopts the intake pressure as the driver source of backwashing to greatly reduce the operation and maintenance costs and save energy consumption.
Description
Technical field
The utility model relates to a kind of water treatment facilities, particularly, relates to a kind of non-cutout pressure reduction backwash filter.
Background technology
At present, the granule filter material filter is widely used water treatment facilities in the water treatment.Known ground, granule filter material filter are by impurity or dirt in the granule filter material filtered water, and like this, after filter used a period of time, it is dirty that granule filter material will become, thereby have influence on the normal use of filter.In order to make granule filter material become cleaning to guarantee the function of filter, generally need regularly the granule filter material in the filter to be cleaned, those skilled in the art are referred to as backwash.
But, generally need when the filter of prior art carries out backwash to make and filter cutout, promptly stop normal water filtration work, to carry out the backwash of granule filter material.Moreover, the filter of prior art need adopt auxiliary equipment such as mechanical agitation, air blast or backwashing pump to carry out backwash, not only power consumption is big for this, and mechanical breakdown takes place easily, exists run, drip, leak etc. to influence shortcomings such as normal operation of equipment and equipment cleaning.
In view of the above-mentioned shortcoming of prior art, need a kind of novel filter.
The utility model content
The purpose of this utility model provides a kind of non-cutout pressure reduction backwash filter, to overcome the above-mentioned defective of prior art, make this non-cutout backwash filter not only can realize the backwash cleaning of granule filter material effectively, and can guarantee that when backwash normal water filtration continues to flow, and backwash need not external impetus, thereby not only can guarantee that filter runs without interruption, and save energy and reduce the cost, avoid that there was a mechanical failure and phenomenon such as leakage.
Above-mentioned purpose is achieved through the following technical solutions: non-cutout pressure reduction backwash filter, comprise water-distributing device, the tank body of integral sealing, be positioned at the granule filter material and the water collector of this tank body, described water-distributing device is embedded in the described granule filter material and an end reaches the tank body outside to form water inlet, described water collector is arranged in the tank body and an end reaches the tank body outside to form the mouth of a river, wherein, described non-cutout pressure reduction backwash filter also comprises the balanced gatherer of filtrate, the filtrate uniform distributor, the eddy flow media regeneration device of hollow, end materials device, baffle liner, differential pressure regulator, the filtrate riser, mozzle and blowoff valve, described mozzle is arranged on the bottom in the described tank body, above this mozzle, be provided with the balanced gatherer of described filtrate, the balanced gatherer of this filtrate covers described mozzle and spaced apart with this mozzle, to form water cavity around this mozzle; Described eddy flow media regeneration device is arranged on the top of described tank body and partly reaches the outside of described tank body, and the part that reaches the tank body outside of this eddy flow media regeneration device is provided with sewage draining exit, and this sewage draining exit is provided with blowoff valve; The described materials device that ends is located at the interior top of described eddy flow media regeneration device, described baffle liner is arranged on this bottom of ending materials device, described filtrate uniform distributor is arranged on the bottom of described eddy flow media regeneration device and is communicated with this eddy flow media regeneration device, and this filtrate uniform distributor bottom is provided with described differential pressure regulator; Described filtrate riser upwards passes balanced gatherer of described filtrate and granule filter material in described mozzle, and extends to the described baffle liner in the described eddy flow media regeneration device.
Preferably, described only materials device is that materials device is ended in the labyrinth.
Preferably, the balanced gatherer of described filtrate is taper, and described mozzle is arranged in the awl chamber, bottom of the balanced gatherer of this filtrate.
Preferably, described filtrate uniform distributor is for evenly being arranged on the pipeline of the inclination of this eddy flow media regeneration bottom of device along described eddy flow media regeneration device ring Zhou Fangxiang, and is equipped with described differential pressure regulator in the bottom of the pipeline of each inclination.
Preferably, the inwall of described eddy flow media regeneration device is provided with straight burr groove or twill groove.
Preferably, described tank body upper and lower part is provided with oil extraction gas port and evacuation port respectively, on the described evacuation port screen casing is housed.
Preferably, the bottom of described tank body forms taper.
Preferably, the bottom of described tank body also is provided with leg.
Preferably, described water collector is one to be provided with the ring pipe in a plurality of receipts water hole, extends the outside that a water pipe reaches described tank body from this ring pipe.
By technique scheme of the present utility model, described non-cutout pressure reduction backwash filter is when carrying out the granule filter material backwash, can keep normal water filtration work uninterrupted, and guarantee the stable effluent quality ripple disable of filtration, the impurity in the sewage is all the time by clean filtrate interception absorption.In addition, non-cutout pressure reduction backwash filter of the present utility model utilizes the pressure differential of water inlet and sewage draining exit to carry out backwash, backwash does not need miscellaneous equipment or servicing unit, backwash needs backwashing pump or equipment such as air blast, air compressor machine as the conventional particles filtering material filter, therefore non-cutout pressure reduction backwash filtration device structure of the present utility model is simplified, and is simple to operate, automaticity is high, utilizes intake pressure to drive the source as backwash simultaneously, can reduce operation and maintenance cost greatly, save energy consumption.
Description of drawings
Fig. 1 is the non-cutout pressure reduction backwash structure of filter schematic diagram of the utility model specific embodiment.
Among the figure: the balanced gatherer of 1 filtrate; 2 water-distributing devices; 3 tank bodies; 4 granule filter materials; 5 filtrate uniform distributors; 6 water collectors; 7 eddy flow media regeneration devices; 8 baffle liners; Materials device is ended in 9 labyrinths; 10 differential pressure regulators; 11 filtrate risers; 12 mozzles; 13 blowoff valves; 14 legs; The a water inlet; The b delivery port; The c sewage draining exit; The d evacuation port; E oil extraction gas port
The specific embodiment
Below describe the specific embodiment of the non-cutout differential filter of the utility model device with reference to the accompanying drawings.
As shown in Figure 1, non-cutout pressure reduction backwash filter of the present utility model mainly comprise the balanced gatherer 1 of filtrate, water-distributing device 2, tank body 3, granule filter material 4, filtrate uniform distributor 5, water collector 6, hollow eddy flow media regeneration device 7, end materials device, baffle liner 8, differential pressure regulator 10, filtrate riser 11, mozzle 12 and blowoff valve 13.
Each building block to the non-cutout pressure reduction of the utility model backwash filter specifically describes below; need to prove at this; in technical conceive scope of the present utility model; each building block of described non-cutout pressure reduction backwash filter is not limited to the detail structure shown in the figure; but can carry out multiple simple variant; these simple variant also belong to protection domain of the present utility model; therefore; in the following process that describes with reference to the accompanying drawings, with some simple variant structures of exemplary ground additional disclosure.
Tank body 3 integral sealings, tank body 3 can adopt multiple shape, and is not limited to the shape shown in the figure.Preferably, the bottom of tank body 3 is taper, and this shape helps the conveying of filtrate when the filtrate backwash.
Described water collector 6 is arranged in the tank body 3, for example is arranged on the top of tank body 3, and an end of this water collector 6 reaches tank body 3 outsides to form mouth of a river b, and the clean water after filtering via granule filter material 4 like this can flow out via water collector 6, for use.Water collector 6 can adopt multiple suitable water collector, preferably, as shown in Figure 1, water collector 6 is one to be provided with the ring pipe in a plurality of receipts water hole, extend a water pipe from this ring pipe and reach tank body 3 outsides, the clean water after filtering via granule filter material 4 like this can flow out to the outside of tank body 3 by water collector 6.
Described mozzle 12 is arranged on the bottom of tank body 3, above this mozzle 12, be provided with the balanced gatherer 1 of filtrate, referring to shown in Figure 1, the balanced gatherer 1 of this filtrate covers described mozzle 12 and spaced apart with this mozzle 12, to form water cavity around mozzle 12.The purpose of this structure is, when carrying out backwash, can guarantee fully flowing of water, can not make granule filter material 4 bulk depositions around mozzle 12, and have influence on normally carrying out of backwash.
Described eddy flow media regeneration device 7 is arranged on the top of tank body 3, and partly reaches the outside of tank body 3.Eddy flow media regeneration device 7 inside are hollow, and its inner cavity is separated by the wall of eddy flow media regeneration device 7 and the cavity of tank interior.The part that reaches tank body 3 outsides of this eddy flow media regeneration device 7 is provided with sewage draining exit c, and this sewage draining exit c is provided with blowoff valve 13, by operating this draining valve 13, can optionally make described eddy flow media regeneration device 7 be communicated with extraneous air.
Described only materials device is arranged on the top in the described eddy flow media regeneration device 7, and only materials device is mainly used in and prevents that granule filter material 4 from leaking into the outside of tank body 3 when backwash.Preferably, the described materials device that ends can end materials device 9 for the labyrinth, and the leakage that materials device 9 can more effectively prevent granule filter material 4 is ended in this labyrinth, can guarantee again that when blowoff valve 13 is opened eddy flow media regeneration device 7 is communicated with outside atmosphere simultaneously.In addition, the described materials device bottom of ending also is provided with baffle liner 8, and this baffle liner 8 is used for the current of backwash are played guiding function, makes current form vortex ring, fully granule filter material is played cleaning action.
Described filtrate uniform distributor 5 is arranged on eddy flow media regeneration device 7 bottoms, and is communicated with eddy flow media regeneration device 7, and this filtrate uniform distributor 5 is mainly used in the granule filter material 4 through backwash is assigned in the tank body 3 equably once more.Described filtrate uniform distributor 5 bottoms are provided with differential pressure regulator 10, and this differential pressure regulator 10 is equivalent to a pressure regulating valve, can close automatically when having pressure reduction at its two ends.
Described filtrate riser 11 upwards passes balanced gatherer 1 of described filtrate and granule filter material 4 in described mozzle 12, and extends to ending below the materials device in the described eddy flow media regeneration device 7.
Preferably, the balanced gatherer 1 of described filtrate is taper, and described mozzle 12 is arranged in the awl chamber, bottom of the balanced gatherer 1 of this filtrate.
Referring to shown in Figure 1, preferably, described filtrate uniform distributor 5 is for evenly being arranged on the pipeline of the inclination of these eddy flow media regeneration device 7 bottoms along described eddy flow media regeneration device 7 ring Zhou Fangxiang, and is equipped with differential pressure regulator 10 in the bottom of the pipeline of each inclination.
Preferably, the inwall of described eddy flow media regeneration device 7 is provided with straight burr groove or twill groove.
Preferably, tank body 3 top and the bottom are provided with oil extraction gas port e and evacuation port d respectively, on the described evacuation port d screen casing are housed, and this screen casing is mainly used in and prevents granule filter material 4 leakage when normal emptying discharges water, can be from this mouthful discharging and remove screen casing during discharging.
Preferably, the bottom of tank body 3 also is provided with leg 14, and this leg 14 is mainly used in and supports tank body 3, produces the situation that corrosion etc. damages tank body 3 to prevent that tank body 3 from directly contacting with ground.
Below describe the course of work of the non-cutout pressure reduction of the utility model backwash filter with reference to the accompanying drawings.
The course of work of the present utility model is: former water enters the evenly upwards mobile granule filter material layer 4 that passes of water-distributing device 2 cloth postpones by water inlet a, impurity in the former water is by filtrate interception absorption, clear water is collected into delivery port b by water collector 6, blowoff valve 13 during normal filtration on the sewage draining exit c pipeline is in closed condition, open blowoff valve 13 during backwash, produce pressure differentials in the tank body 3 with in the eddy flow media regeneration device 7 at this moment, differential pressure regulator 10 cuts out under the pressure differential effect, the water of the balanced gatherer of filtrate this moment 1 bottom enters filtrate riser 11 by mozzle 12 under pressure, tank body 3 bottom granule filter materials are inhaled into filtrate riser 11 and carry into eddy flow in the eddy flow media regeneration device 7 and washing by rubbing with the hands simultaneously, because 7 jars of inwalls of eddy flow media regeneration device are provided with straight burr or twill groove, so media regeneration is more thorough, sewage is discharged from sewage draining exit c, filtrate ends under materials device 9 effects in baffle liner 8 and labyrinth and being trapped in the eddy flow media regeneration device 7, close blowoff valve 13 behind the backwash certain hour, tank body 3 interior and eddy flow media regeneration device 7 internal pressure differences disappearances this moment, differential pressure regulator 10 is opened under the effect of filtrate gravity, filtrate process filtrate uniform distributor 5 uniform distributions that are collected in the eddy flow media regeneration device 7 are returned into tank body, treat to open blowoff valve 13 again after filtrate reclaims end, filter enters backwash again, go round and begin again, but the uninterrupted all the time normal water filtration work of filter.
By last description as seen, non-cutout pressure reduction backwash filter of the present utility model is when carrying out the granule filter material backwash, can keep normal water filtration work uninterrupted, and guarantee the stable effluent quality ripple disable of filtration, the impurity in the sewage is all the time by clean filtrate interception absorption.In addition, non-cutout pressure reduction backwash filter of the present utility model utilizes the pressure differential of water inlet and sewage draining exit to carry out backwash, backwash does not need miscellaneous equipment or servicing unit, backwash needs backwashing pump or equipment such as air blast, air compressor machine as the conventional particles filtering material filter, therefore non-cutout pressure reduction backwash filtration device structure of the present utility model is simplified, and is simple to operate, automaticity is high, utilizes intake pressure to drive the source as backwash simultaneously, can reduce operation and maintenance cost greatly, save energy consumption.
Each concrete technical characterictic described in the above-mentioned specific embodiment can make up arbitrarily by any suitable manner, and it falls within the scope disclosed in the utility model equally.In addition, also can make up arbitrarily between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Below describe preferred implementation of the present utility model in conjunction with the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.Protection domain of the present utility model is defined by the claims.
Claims (9)
1. non-cutout pressure reduction backwash filter, comprise water-distributing device (2), the tank body of integral sealing (3), be positioned at the granule filter material (4) and the water collector (6) of this tank body (3), described water-distributing device (2) is embedded in the described granule filter material (4) and an end reaches tank body (3) outside to form water inlet (a), described water collector (6) is arranged in the tank body (3) and an end reaches tank body (3) outside to form the mouth of a river (b), it is characterized in that, described non-cutout pressure reduction backwash filter also comprises the balanced gatherer (1) of filtrate, filtrate uniform distributor (5), the eddy flow media regeneration device (7) of hollow, end materials device, baffle liner (8), differential pressure regulator (10), filtrate riser (11), mozzle (12) and blowoff valve (13), wherein, described mozzle (12) is arranged on the bottom in the described tank body (3), be provided with the balanced gatherer (1) of described filtrate in the top of this mozzle (12), the balanced gatherer of this filtrate (1) covers described mozzle (12) and spaced apart with this mozzle (12), to form water cavity on every side at this mozzle (12); Described eddy flow media regeneration device (7) is arranged on the top of described tank body (3) and partly reaches the outside of described tank body (3), the outside part of tank body (3) that reaches of this eddy flow media regeneration device (7) is provided with sewage draining exit (c), and this sewage draining exit (c) is provided with blowoff valve (13); The described materials device that ends is arranged on the interior top of described eddy flow media regeneration device (7), described baffle liner (8) is arranged on the bottom that this ends materials device, described filtrate uniform distributor (5) is arranged on the bottom of described eddy flow media regeneration device (7) and is communicated with this eddy flow media regeneration device (7), and this filtrate uniform distributor (5) bottom is provided with described differential pressure regulator (10); Described filtrate riser (11) upwards passes balanced gatherer (1) of described filtrate and granule filter material (4) in described mozzle (12), and extends to the described baffle liner (8) in the described eddy flow media regeneration device (7).
2. non-cutout differential filter device according to claim 1 is characterized in that, described only materials device is that materials device (9) is ended in the labyrinth.
3. non-cutout differential filter device according to claim 1 is characterized in that, the balanced gatherer of described filtrate (1) is taper, and described mozzle (12) is arranged in the awl chamber, bottom of the balanced gatherer of this filtrate (1).
4. non-cutout differential filter device according to claim 1, it is characterized in that, described filtrate uniform distributor (5) is for evenly being arranged on the pipeline of the inclination of this eddy flow media regeneration device (7) bottom along described eddy flow media regeneration device (7) ring Zhou Fangxiang, and is equipped with described differential pressure regulator (10) in the bottom of the pipeline of each inclination.
5. non-cutout differential filter device according to claim 1 is characterized in that the inwall of described eddy flow media regeneration device (7) is provided with straight burr groove or twill groove.
6. each described non-cutout differential filter device in requiring according to aforesaid right is characterized in that described tank body (3) upper and lower part is provided with oil extraction gas port (e) and evacuation port (d) respectively, on the described evacuation port (d) screen casing is housed.
7. non-cutout differential filter device according to claim 6 is characterized in that the bottom of described tank body (3) forms taper.
8. non-cutout differential filter device according to claim 6 is characterized in that the bottom of described tank body (3) also is provided with leg (14).
9. non-cutout differential filter device according to claim 6 is characterized in that, described water collector (6) is one to be provided with the ring pipe in a plurality of receipts water hole, extends the outside that a water pipe reaches described tank body (3) from this ring pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205649330U CN201791411U (en) | 2010-10-15 | 2010-10-15 | Discontinuous flow differential pressure backwashing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205649330U CN201791411U (en) | 2010-10-15 | 2010-10-15 | Discontinuous flow differential pressure backwashing filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201791411U true CN201791411U (en) | 2011-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205649330U Expired - Lifetime CN201791411U (en) | 2010-10-15 | 2010-10-15 | Discontinuous flow differential pressure backwashing filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201791411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102008841A (en) * | 2010-10-15 | 2011-04-13 | 扬州澄露环境工程有限公司 | Non-cutoff differential pressure backwashing filter |
-
2010
- 2010-10-15 CN CN2010205649330U patent/CN201791411U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102008841A (en) * | 2010-10-15 | 2011-04-13 | 扬州澄露环境工程有限公司 | Non-cutoff differential pressure backwashing filter |
| CN102008841B (en) * | 2010-10-15 | 2012-09-05 | 扬州澄露环境工程有限公司 | Non-cutoff differential pressure backwashing filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110413 Effective date of abandoning: 20120905 |