CN103566767A - Air water reverse blowing and washing device used for tubular sintered membrane filter - Google Patents
Air water reverse blowing and washing device used for tubular sintered membrane filter Download PDFInfo
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- CN103566767A CN103566767A CN201310591902.2A CN201310591902A CN103566767A CN 103566767 A CN103566767 A CN 103566767A CN 201310591902 A CN201310591902 A CN 201310591902A CN 103566767 A CN103566767 A CN 103566767A
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- blowback
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Abstract
The invention discloses an air water reverse blowing and washing device used for a tubular sintered membrane filter. At least one air distribution plate is arranged in a reverse blowing and washing cavity in a shell of the filter, the air distribution plate and a filter pipe connecting plate mounted in the shell are arranged at intervals, a plurality of air distribution holes are formed in the air distribution plate, and the air distribution holes are in one-to-one correspondence and central alignment with a plurality of mounting holes formed the filter pipe connecting plate and used for fixedly mounting a sintered membrane pipe. The added air distributing plate can guide the reversely blown air flow, so that the problems that the reverse blowing and washing is not uniform or complete are solved, and no dead angle exists during reverse blowing and washing.
Description
Technical field
The present invention relates to the technical field of the dirty water decontamination handles, particularly regenerating unit is washed in a kind of air water blowback for tubular type sintered membrane filter.
Background technology
Tubular type sintered membrane has that unit volume filter area great, unit filter area filtering traffic is large, filtering accuracy is high (can reach 0.1 μ m), stain resistance is strong, stiffness and strength is large, voltage endurance capability is strong, the features such as power of regeneration is strong are washed in blowback, is widely used in the aspects such as the dirty water decontamination handles of the industries such as chemical industry, food, medical medicine, biotechnology, environmental project or the clarification filtration of other liquid, liquid-solid separation.
Prevent that film from stopping up, extending the service life of film, reducing processing cost is the target that film filter industry is pursued always.Because sintered pipes is rigidity, can utilize compressed air blowback, not only the filter residue on tube wall can be blown off, simultaneously can also be by the particulate blowback in capillary micropore out, thus reach pulse cleaning.
In order to improve sintered pipes filter unit filter capacity, reduce the processing cost of unit volume solid-liquid treating capacity, manufacturing enterprise by hundreds of root even thousands of sintered pipes be loaded in a filter housings, form a device that filter capacity is larger, there is cost low, take up an area the features such as little, simple to operate.
But the shortcoming of this structure is that blowback air-flow is inhomogeneous, cause blowback not thorough, there is blowback dead angle.As time goes on, there is part film to lose filtration, thereby reduce the filter capacity of filter.The blowback cleaning device of this class filter is blowback to be washed to chamber be separated into several loculuses at present, a loculus is washed by an independent air feed blowback of anti-blowpipe, but cannot guarantee when blowback is washed evenly to clean every chimney filter, conventionally in order to reach cleaning object, only has the blowback pressure reduction that reduces each film pore by strengthening the distance of gas hole and film pore, increase time and number of times that blowback is washed simultaneously, this had both caused the increase of air consumption to cause energy resource consumption large, also make over against the film pipe of gas hole, because blowback air flowing pressure is excessive, to increase the omitted danger of chimney filter.Due to the increase of gas hole and film pore distance, the volume in blowback chamber is increased, if blowback air tank volume does not increase, make on the contrary the average pressure in blowback chamber reduce, thereby reduced on the whole blowback effect.
As: the Chinese patent that the patent No. is ZL200620001726.8 discloses a kind of accurate filter, its blowback is washed mouth and is located at blowback top of chamber, when blowback is washed, chimney filter stream pressure and speed close to washing mouthful from blowback are larger, produce larger impact and increase the omitted danger of chimney filter, by air velocity and pressure, less to cause blowback to be washed not thorough for the chimney filter of washing mouthful away from blowback.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of air water blowback cleaning device for tubular type sintered membrane filter, by this device, can make every chimney filter air-flow even, does not exist blowback to wash dead angle, can reach the object that thorough blowback is washed.
For solving the problems of the technologies described above, technical solution of the present invention is:
A kind of air water blowback cleaning device for tubular type sintered membrane filter, blowback in the housing of this filter is washed and in chamber, is provided with at least one air distribution plate, this air distribution plate arranges with the chimney filter connecting plate interval being arranged in described housing, and on this air distribution plate, have some qi-emitting holes, some in order to the installing hole that fixedly mounts sintered membrane pipe corresponding and center-aligned one by one with on chimney filter connecting plate of each qi-emitting hole.
The aperture of the film pipe apopore of installing on chimney filter connecting plate described in the aperture ratio of each qi-emitting hole of described air distribution plate is little.
Described air distribution plate is provided with one, and the spacing of this air distribution plate and chimney filter connecting plate is not less than 4 times of qi-emitting hole aperture on this air distribution plate.
Described air distribution plate is provided with more than one, and each air distribution plate and the interval setting successively of chimney filter connecting plate; From chimney filter connecting plate to, away from the air distribution plate of chimney filter connecting plate, the aperture in the hole on each plate reduces step by step; And, from chimney filter connecting plate to away from the air distribution plate of chimney filter connecting plate, 4 times of the aperture in the hole after the spacing between two adjacent panel is not less than on a step.
Described blowback is washed and in chamber, is provided with blowback and washes air inlet, this blowback is washed air inlet place a gas distribution pipe is installed, this gas distribution pipe stretches into described blowback and washes inside, chamber, and this gas distribution pipe stretches in blowback and wash the radially tube wall of inside, chamber and have some radial holes, and axial inner ends portion is plugging structure.
The axial inner ends portion of described gas distribution pipe is welded on the air distribution plate of afterbody, to realize plugging structure.
Each radial hole on described gas distribution pipe distributes axisymmetricly along gas distribution tubular axis center.
Adopt after such scheme, the present invention has following beneficial effect:
1. setting of the present invention has the air distribution plate of qi-emitting hole, makes each qi-emitting hole over against a sintered membrane pipe, thereby can play guiding function to counter purging gas stream, and has solved blowback and has washed inhomogeneous, blowback and wash halfway phenomenon, and blowback is washed and no longer had dead angle.
2. after the present invention is provided with air distribution plates at different levels, installing hole from chimney filter connecting plate is to the qi-emitting hole on air distribution plates at different levels, aperture reduces step by step, thereby the air velocity that blowback is washed is also reduced step by step, make the dynamic pressure of air-flow change static pressure into as far as possible, reduce like this impact of air-flow, reduced noise, reduced the impulsive force that film pipe bears simultaneously.
3. the present invention is further provided with gas distribution pipe, make to enter blowback wash air-flow in chamber from longitudinally change into surrounding laterally, thereby can make air-flow further evenly announce, blowback is washed more even.
4. the present invention can reduce the height that chamber is washed in blowback, has alleviated complete machine weight, has reduced production cost simultaneously.
In a word, test shows, when structure blowback of the present invention is washed, can evenly clean every sintered membrane pipe, and it is short that the time is washed in blowback, saved air consumption, and blowback energy resource consumption can be saved 50-60%, and has improved the service life of sintered membrane pipe.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of chimney filter connecting plate of the present invention;
Fig. 3 is chimney filter connecting plate of the present invention and chimney filter connection diagram;
Fig. 4 is the structural representation of air distribution plate of the present invention;
Fig. 5 is the structural representation of the second air distribution plate of the present invention;
Fig. 6 is the structural representation of gas distribution pipe of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Disclosed is a kind of air water blowback cleaning device for tubular type sintered membrane filter, as shown in Figures 1 to 6, is preferred embodiment of the present invention.Described filter 1 comprises housing, this housing can be comprised of the cylindrical shell 11 and the cover plate 12 that mutually cover together, chimney filter connecting plate 13 is installed in this housing, on this chimney filter connecting plate 13, has some installing holes 131, on each installing hole 131, fixedly mount a sintered membrane pipe 14.The inner space of described housing is separated into sewage intake antrum 15 to this chimney filter connecting plate 13 and 16 two, chamber chamber is washed in blowback, and described sintered membrane pipe 14 is positioned at sewage intake antrum 15, and the central outlet 141 of sintered membrane pipe 14 is positioned at blowback, washes chamber 16.The chamber wall of described sewage intake antrum 15 is provided with former water water inlet pipe 151, blow-off pipe 152 and breather pipe 153.The chamber wall that chamber 16 is washed in described blowback is provided with Graceful water pipe 161 and air inlet 162 is washed in blowback.
Key of the present invention is:
Described blowback is washed and in chamber 16, is provided with at least one air distribution plate 17, this air distribution plate 17 arranges with described chimney filter connecting plate 13 intervals, and on this air distribution plate 17, have some qi-emitting holes 171, each qi-emitting hole 171 and each installing hole 131 on chimney filter connecting plate 13 be corresponding and center-aligned one by one.
Further, it is little that the aperture of each qi-emitting hole 171 of described air distribution plate 17 cans be compared to most the aperture of apopore 141 of sintered membrane pipe 14 of the installation on described chimney filter connecting plate 13, so that air velocity reduces step by step.
In order to make the dynamic pressure of air-flow transfer static pressure to as far as possible, the spacing of described air distribution plate 17 and chimney filter connecting plate 13 is preferably not less than 4 times of described qi-emitting hole 171 apertures.
Further, an above air distribution plate also can be set, and each air distribution plate and chimney filter connecting plate 13 successively interval arrange, embodiment illustrated in fig. 1ly be provided with two air distribution plates, near the air distribution plate 17 of chimney filter connecting plate 13 and away from the second air distribution plate 18 of chimney filter connecting plate 13, and on each air distribution plate 17,18, all have some qi-emitting holes 171,181 and each installing hole 131 on chimney filter connecting plate 13 corresponding also center-aligned one by one.And the aperture of the apopore 141 of the sintered membrane pipe 14 of installing described in the aperture ratio of the qi-emitting hole 171 on described air distribution plate 17 is little; The aperture of the qi-emitting hole 171 described in the aperture ratio of the qi-emitting hole 181 of described the second air distribution plate 18 on air distribution plate 17 is little.The spacing of described air distribution plate 17 and chimney filter connecting plate 13 is preferably not less than 4 times of qi-emitting hole 171 apertures of described air distribution plate 17; The spacing of described the second air distribution plate 18 and air distribution plate 17 is preferably not less than 4 times of qi-emitting hole 181 apertures of described the second air distribution plate 18.Two above air distribution plates by that analogy if.
Moreover, air inlet 162 places are washed in described blowback can install a gas distribution pipe 19, this gas distribution pipe 19 stretches into described blowback and washes 16 inside, chamber, and this gas distribution pipe 19 stretches in blowback and washes the radially tube wall of 16 inside, chamber and have some radial holes 191, each radial hole 191 can distribute axisymmetricly along gas distribution tubular axis center, and axial inner ends portion 192 is plugging structure.In the present embodiment, the air distribution plate that the axial inner ends portion 192 of this gas distribution pipe 19 is welded on afterbody is on second air distribution plate 18 of the present embodiment, to realize plugging structure.
When described filter 1 will filter, its former water water inlet pipe 151 and foul water tank 2 are passed through to pipeline communication, on the pipeline between foul water tank 2 and former water water inlet pipe 151, raw water pump 3 and stop valve A are set; Described blow-off pipe 152 is also communicated with foul water tank 2 by pipeline, and pipeline is between the two provided with stop valve B; Described Graceful water pipe 161 is communicated with filtered water tank 4 by pipeline, and pipeline is between the two provided with shutoff valve C; Described gas distribution pipe 19 is communicated with air compressor 5 by pipeline, is provided with compressed air cylinder 6 and stop valve D on pipeline between the two; This gas distribution pipe 19 is also communicated with a backwash water pump 7 by pipeline, is provided with stop valve F on pipeline between the two, and this backwash water pump 7 is communicated with described filtered water tank 4 again; Described breather pipe 153 connects a stop valve E.
Filtration operation of the present invention and blowback wash regeneration operation technological process as follows:
1), before filtration operation, blowback washes down clean membrane filtration pipe 14: close stop valve A, C, and opening stop valve B, E, after confirming that sewage intake antrum 15 interior sewage are put only, opening stop valve F opens backwash water pump 7 simultaneously, moves after 15 seconds, closes stop valve F and backwash water pump 7; Opening stop valve D, compressed air enters into blowback by gas distribution pipe 19 and washes in chamber 16, and by 171,181 pairs of sintered membrane pipes 14 of the qi-emitting hole on air distribution plate 17,18, carries out blowback successively and wash down cleanly, and the blowback time of washing is generally 1-2 second, blowback is washed number of times and is not less than 2 times, and every minor tick is not less than 15 seconds;
2) filtering operation: close stop valve D, opening stop valve C, A, close stop valve B, E, then open raw water pump 3, need the sewage filtering to enter in sewage intake antrum 15, after filtering by sintered membrane pipe 14, clear water enters blowback and washes chamber 16, then by Graceful water pipe 161, enters filtered water tank 4;
3), when the pressure reduction of washing chamber 16 when sewage intake antrum 15 and blowback reaches the limit value of setting, return to the 1st) step, sintered membrane chimney filter 14 is carried out to blowback and wash regeneration.
4) so move in circles.
The above, be only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, thus variation or the modification in every case according to claim of the present invention and description, done, within all should belonging to the scope that patent of the present invention contains.
Claims (7)
1. the air water blowback cleaning device for tubular type sintered membrane filter, it is characterized in that: the blowback in the housing of this filter is washed and in chamber, is provided with at least one air distribution plate, this air distribution plate arranges with the chimney filter connecting plate interval being arranged in described housing, and on this air distribution plate, have some qi-emitting holes, some in order to the installing hole that fixedly mounts sintered membrane pipe corresponding and center-aligned one by one with on chimney filter connecting plate of each qi-emitting hole.
2. a kind of air water blowback cleaning device for tubular type sintered membrane filter according to claim 1, is characterized in that: the aperture of the film pipe apopore of installing on chimney filter connecting plate described in the aperture ratio of each qi-emitting hole of described air distribution plate is little.
3. a kind of air water blowback cleaning device for tubular type sintered membrane filter according to claim 1, is characterized in that: described air distribution plate is provided with one, and the spacing of this air distribution plate and chimney filter connecting plate is not less than 4 times of qi-emitting hole aperture on this air distribution plate.
4. a kind of air water blowback cleaning device for tubular type sintered membrane filter according to claim 1, is characterized in that: described air distribution plate is provided with more than one, and each air distribution plate and the interval setting successively of chimney filter connecting plate; From chimney filter connecting plate to, away from the air distribution plate of chimney filter connecting plate, the aperture in the hole on each plate reduces step by step; And, from chimney filter connecting plate to away from the air distribution plate of chimney filter connecting plate, 4 times of the aperture in the hole after the spacing between two adjacent panel is not less than on a step.
5. according to a kind of air water blowback cleaning device for tubular type sintered membrane filter one of claim 1-4 Suo Shu, it is characterized in that: described blowback is washed and in chamber, is provided with blowback and washes air inlet, this blowback is washed air inlet place a gas distribution pipe is installed, this gas distribution pipe stretches into described blowback and washes inside, chamber, and this gas distribution pipe stretches in blowback and washes the radially tube wall of inside, chamber and have some radial holes, and axial inner ends portion is plugging structure.
6. a kind of air water blowback cleaning device for tubular type sintered membrane filter according to claim 5, is characterized in that: the axial inner ends portion of described gas distribution pipe is welded on the air distribution plate of afterbody, to realize plugging structure.
7. a kind of air water blowback cleaning device for tubular type sintered membrane filter according to claim 5, is characterized in that: each radial hole on described gas distribution pipe distributes axisymmetricly along gas distribution tubular axis center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591902.2A CN103566767B (en) | 2013-11-22 | 2013-11-22 | A kind of air water blowback cleaning device for tubular type sintered membrane filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310591902.2A CN103566767B (en) | 2013-11-22 | 2013-11-22 | A kind of air water blowback cleaning device for tubular type sintered membrane filter |
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| Publication Number | Publication Date |
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| CN103566767A true CN103566767A (en) | 2014-02-12 |
| CN103566767B CN103566767B (en) | 2015-11-18 |
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| CN201310591902.2A Expired - Fee Related CN103566767B (en) | 2013-11-22 | 2013-11-22 | A kind of air water blowback cleaning device for tubular type sintered membrane filter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109078373A (en) * | 2018-07-02 | 2018-12-25 | 国核电力规划设计研究院有限公司 | Wind backwash unit and its method, filter cleaning system for filter |
| CN109355668A (en) * | 2018-10-29 | 2019-02-19 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of fluidized-bed densification stainless (steel) wire cleaning method |
| CN110743282A (en) * | 2019-11-07 | 2020-02-04 | 南京工业大学 | Reducing gas purification ceramic filtration membrane tube |
| GB2615456A (en) * | 2020-10-30 | 2023-08-09 | Norwegian Recycling Services As | Filter housing provided with membrane filter rods |
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| US4775471A (en) * | 1985-05-29 | 1988-10-04 | Ebara Corporation | Hollow fiber filter device |
| JP2000051669A (en) * | 1998-08-05 | 2000-02-22 | Hitachi Ltd | Hollow fiber membrane module fitted with lower cap |
| CN102730816A (en) * | 2011-04-11 | 2012-10-17 | 金振忠 | Airlift external tubular membrane bioreactor purifier |
| CN203610049U (en) * | 2013-11-22 | 2014-05-28 | 厦门理工学院 | Air water back blowing washing device for tube-type sintered membrane filter |
-
2013
- 2013-11-22 CN CN201310591902.2A patent/CN103566767B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4775471A (en) * | 1985-05-29 | 1988-10-04 | Ebara Corporation | Hollow fiber filter device |
| JP2000051669A (en) * | 1998-08-05 | 2000-02-22 | Hitachi Ltd | Hollow fiber membrane module fitted with lower cap |
| CN102730816A (en) * | 2011-04-11 | 2012-10-17 | 金振忠 | Airlift external tubular membrane bioreactor purifier |
| CN203610049U (en) * | 2013-11-22 | 2014-05-28 | 厦门理工学院 | Air water back blowing washing device for tube-type sintered membrane filter |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109078373A (en) * | 2018-07-02 | 2018-12-25 | 国核电力规划设计研究院有限公司 | Wind backwash unit and its method, filter cleaning system for filter |
| CN109078373B (en) * | 2018-07-02 | 2020-08-18 | 国核电力规划设计研究院有限公司 | Air backwashing unit for filter, method thereof and filter cleaning system |
| CN109355668A (en) * | 2018-10-29 | 2019-02-19 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of fluidized-bed densification stainless (steel) wire cleaning method |
| CN110743282A (en) * | 2019-11-07 | 2020-02-04 | 南京工业大学 | Reducing gas purification ceramic filtration membrane tube |
| CN110743282B (en) * | 2019-11-07 | 2021-04-20 | 南京工业大学 | Reducing gas purification ceramic filtration membrane tube |
| GB2615456A (en) * | 2020-10-30 | 2023-08-09 | Norwegian Recycling Services As | Filter housing provided with membrane filter rods |
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| CN103566767B (en) | 2015-11-18 |
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Granted publication date: 20151118 Termination date: 20201122 |