CN113750612B - Differential pressure filter capable of automatically backwashing and discharging sewage - Google Patents
Differential pressure filter capable of automatically backwashing and discharging sewage Download PDFInfo
- Publication number
- CN113750612B CN113750612B CN202111096659.8A CN202111096659A CN113750612B CN 113750612 B CN113750612 B CN 113750612B CN 202111096659 A CN202111096659 A CN 202111096659A CN 113750612 B CN113750612 B CN 113750612B
- Authority
- CN
- China
- Prior art keywords
- pipe
- chamber
- blowdown
- filter
- thick bamboo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 73
- 238000011001 backwashing Methods 0.000 title abstract description 13
- 238000007599 discharging Methods 0.000 title abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 37
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 37
- 241001330002 Bambuseae Species 0.000 claims abstract description 37
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 37
- 239000011425 bamboo Substances 0.000 claims abstract description 37
- 238000005192 partition Methods 0.000 claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 239000010902 straw Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 5
- 239000012535 impurity Substances 0.000 abstract description 19
- 239000010408 film Substances 0.000 description 28
- 239000003638 chemical reducing agent Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the field of water treatment equipment and discloses an automatic backwashing and sewage discharging differential pressure filter which comprises a box body, wherein a sealing cover is arranged on the side surface of the box body, a water inlet pipe is arranged in the middle of one side of the box body, which is far away from the sealing cover, a first partition plate and a second partition plate are respectively arranged on two sides of an inner cavity of the box body, the second partition plate is positioned on one side close to the sealing cover, and the first partition plate and the second partition plate divide an inner chamber of the box body into a drainage chamber, a filtering chamber and a sewage discharging chamber from left to right in sequence. The horizontal straw through the switch-on in the blowdown runner pipe outside is close to the inboard of filter screen section of thick bamboo, the structural design of cooperation filter screen section of thick bamboo outside rubber film section of thick bamboo, utilize the attached outside to filter screen section of thick bamboo of rubber film section of thick bamboo, utilize the negative pressure suction of horizontal straw inner chamber, inhale the blowdown runner pipe and discharge with the impurity in filter screen section of thick bamboo inboard and the filter joint, the effectual brush of having avoided is when relative filter screen section of thick bamboo inner wall is rotatory, the brush makes partial impurity card enter the filter joint to the pressure of filter screen section of thick bamboo inner wall, cause the problem of jam.
Description
Technical Field
The invention relates to the field of water treatment equipment, in particular to a differential pressure filter capable of automatically backwashing and discharging sewage.
Background
Differential pressure filter is a water purification treatment facility commonly used, current differential pressure filter has and filters the raw water and wash the function of blowdown automatically to the filter core, wide application in building, the chemical industry, electric power, metallurgy, rubber, trades such as food, current differential pressure filter is when using, pile up when the inboard impurity of filter core, inside and outside both sides form pressure differential, and after pressure differential reached the default, control system opens self-cleaning, the blowoff valve in the sewage pipes is opened, and the dredge pump etc. that sets up through the sewage pipes, make the suction of sewage pipes drink the inboard water of filter core impurity discharge, and simultaneously, it is rotatory to have the commentaries on classics pipe drive stainless steel brush in the middle of the motor drive filter core, clear up the inner wall of filter core, until the inside and outside both sides pressure recovery of filter core.
However, when the existing differential pressure filter is used, impurities are cleaned through the rotation of the steel brush on the inner side of the filter screen cylinder, when the steel brush rotates relative to the inner wall of the filter screen cylinder, part of impurities are clamped into the filter gap by the pressure of the brush on the inner wall of the filter screen cylinder, so that the blockage is caused, the subsequent filtering efficiency is influenced, the frequent back washing starting process is caused, and the problems of high energy consumption and low filtering efficiency are solved.
Disclosure of Invention
The invention provides a differential pressure filter capable of automatically backwashing and discharging sewage, which has the advantage that a filter element is not easily blocked by backwashing, and solves the technical problems in the background art.
In order to realize the purpose, the invention provides the following technical scheme to realize the purpose: a differential pressure filter capable of automatically backwashing and discharging sewage comprises a box body, wherein a sealing cover is arranged on the side face of the box body, a water inlet pipe is arranged in the middle of one side, away from the sealing cover, of the box body, a first partition plate and a second partition plate are respectively arranged on two sides of an inner cavity of the box body, the second partition plate is positioned on one side close to the sealing cover, the first partition plate and the second partition plate sequentially divide an inner chamber of the box body into a drainage chamber, a filtering chamber and a sewage discharging chamber from left to right, a water inlet pipe is arranged in the middle of one side, away from the sealing cover, of the box body, the water inlet pipe is communicated with the filtering chamber, a water outlet communicated with the drainage chamber is arranged at the top of the box body, and a water through groove communicated with the drainage chamber and the filtering chamber is formed in the outer edge of the first partition plate, be equipped with a filter screen section of thick bamboo between first baffle and the second baffle, the inboard of filter screen section of thick bamboo is equipped with rotatable blowdown rotary pipe, and the drive mechanism drive rotation of blowdown rotary pipe through locating the closing cap outside, the equal fixed cover in top and the bottom of blowdown rotary pipe is equipped with a plurality of location siphunculuss, the horizontal straw of one end fixed connection of blowdown rotary pipe is kept away from to the location siphunculus, and horizontal straw is close to the inner wall of filter screen section of thick bamboo and contactless, horizontal notch has been seted up towards the inner wall of filter screen section of thick bamboo to horizontal straw, and the inner chamber of inner chamber and the inner chamber of blowdown rotary pipe, the blowdown room communicates with each other, be equipped with the rubber film section of thick bamboo that can cover the filter screen section of thick bamboo outside completely in the filter chamber, the bottom of box is equipped with the drain of switch-on blowdown room.
Optionally, the side surfaces of the first partition plate and the second partition plate are respectively and fixedly connected with a positioning ring plate located in the filter chamber, the positioning ring plates are located on the inner sides of the water passing grooves, the outer sides of the two ends of the filter screen cylinder are respectively and fixedly connected with the inner sides of the two positioning ring plates, the outer sides of the two ends of the rubber film cylinder are fixedly connected with the inner wall of the box body, and the two ends of the rubber film cylinder are respectively located at the first partition plate and the second partition plate.
Optionally, a partition sleeve positioned in the drainage chamber is arranged in the middle between the inner wall of the box body and the first partition plate, and the water inlet pipe is communicated with the filtering chamber through the partition sleeve.
Optionally, the bottom of the separation sleeve is communicated with a water guide branch pipe, one end of the water guide branch pipe, which is far away from the separation sleeve, extends to the outside of the bottom end of the box body, one end of the water guide branch pipe is communicated with a cavity outside the rubber film cylinder in the filter chamber, the bottom of the inner cavity of the box body is also provided with a water drainage branch pipe communicated with the cavity outside the rubber film cylinder and the sewage outlet, and the water drainage branch pipe and the water guide branch pipe are respectively provided with an electromagnetic valve
It is optional, actuating mechanism is including locating the quick-witted case in the closing cap outside, one side that the closing cap was kept away from to the machine case is equipped with the speed reducer unit, the output shaft of speed reducer unit and the center pin fixed connection of spiral flood dragon, fixed cover is equipped with the driven sprocket who is located quick-witted incasement portion on the output shaft of speed reducer unit, the inside movable sleeve of machine case is equipped with the location pivot that is located the driven sprocket top, fixed cover is equipped with the drive sprocket who is located directly over the driven sprocket in the pivot of location, and is connected through chain drive between drive sprocket and the driven sprocket, it has the driving gear that is located blowdown commentaries on classics pipe top still to fix a position the cover in the pivot, the one end fixedly connected with of blowdown commentaries on classics pipe is located the driven gear of driving gear below, and driven gear's outer edge and the outer edge meshing of driving gear.
The invention provides a differential pressure filter capable of automatically backwashing and discharging sewage, which has the following beneficial effects:
1. the automatic backwashing and sewage discharging differential pressure filter has the advantages that the transverse suction pipe communicated with the outer side of the sewage discharging rotary pipe is close to the inner side of the filter screen cylinder, the structural design of the rubber film cylinder on the outer side of the filter screen cylinder is matched, when the filter screen cylinder is backwashed, the rubber film cylinder is attached to the outer side of the filter screen cylinder, impurities on the inner side of the filter screen cylinder and in filter seams are sucked into the sewage discharging rotary pipe and discharged by using the negative pressure suction force of the inner cavity of the transverse suction pipe, compared with the mode that the impurities are cleaned by rotating the steel brush on the inner side of the filter screen cylinder in the conventional broken belt differential pressure filter, the problems that when the brush rotates relative to the inner wall of the filter screen cylinder, part of the impurities are stuck into the filter seams due to the pressure of the brush on the inner wall of the filter screen cylinder, so that the blockage is caused, the subsequent filtering efficiency is influenced, and the frequent backwashing process is started, so that the energy consumption is high and the filtering efficiency is low are solved.
2. This automatic pressure differential filter of back flush blowdown, through the back flush stage, the rubber membrane section of thick bamboo is attached to the outside of filter screen section of thick bamboo completely to form sealedly, effectively prevent the delivery port, the water backward flow after the indoor filtration of drainage, and water is under the unchangeable condition of inlet tube entering flow and drain outlet discharge flow, the pressure increase in the filter chamber, negative pressure suction reduction in blowdown room and blowdown runner pipe in to the filter chamber, thereby influence the problem of blowdown efficiency, and still prevented too much water backward flow and the problem that leads to pressure differential filter's filtration efficiency to reduce.
Drawings
FIG. 1 is a schematic sectional view of a tank body of the differential pressure filter according to the present invention;
FIG. 2 is a schematic view of the cross-suction pipe of the structure of FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the structure of FIG. 2 according to the present invention;
fig. 4 is a schematic view of the driving mechanism of fig. 1 according to the present invention.
In the figure: 1. a box body; 101. a water inlet pipe; 102. a water outlet; 103. a sewage draining outlet; 2. sealing the cover; 3. a first separator; 301. a water trough; 4. a second separator; 5. positioning the ring plate; 6. a screen cylinder; 7. a sewage draining rotary pipe; 701. a first through groove; 702. a second through groove; 8. a spiral flood dragon; 9. a spacer sleeve; 10. a rubber film cylinder; 11. positioning a through pipe; 12. a transverse straw; 121. a transverse notch; 13. a water guide branch pipe; 14. a drain branch pipe; 15. a chassis; 16. a speed reduction unit; 17. positioning the rotating shaft; 18. a drive sprocket; 19. a driven sprocket; 20. a driving gear; 21. a driven gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a differential pressure filter for automatic back flushing and sewage draining comprises a box body 1, a sealing cover 2 is arranged on the side surface of the box body 1, a first partition plate 3 and a second partition plate 4 are fixedly sleeved on two sides of an inner chamber of the box body 1 respectively, the second partition plate 4 is positioned on one side close to the sealing cover 2, the first partition plate 3 and the second partition plate 4 divide the inner chamber of the box body 1 into a drainage chamber, a filtering chamber and a sewage draining chamber from left to right in sequence, a water inlet pipe 101 is communicated with the middle part of one side of the box body 1 far away from the sealing cover 2, a separation sleeve 9 positioned in the drainage chamber is arranged in the middle part between the inner wall of the box body 1 and the first partition plate 3, the water inlet pipe 101 is communicated with the filtering chamber through the separation sleeve 9, a water outlet 102 communicated with the drainage chamber is arranged on the top of the box body 1, a sewage draining outlet 103 communicated with the sewage draining chamber is arranged on the other side of the bottom of the box body 1, the sewage draining outlet 103 is communicated with a sewage pump through a sewage draining pipeline, and an electromagnetic valve is arranged on the sewage draining pipeline, when the filter screen is backwashed, a dredge pump and an electromagnetic valve are opened, the side surfaces of a first clapboard 3 and a second clapboard 4 are respectively and fixedly connected with a positioning ring plate 5 positioned in the filter chamber, a filter screen cylinder 6 is fixedly connected between the two positioning ring plates 5, the middle part of the inner cavity of a box body 1 is provided with a rotatable dredge rotating pipe 7, the inner part of the dredge rotating pipe 7 is provided with a spiral dragon 8, the dredge rotating pipe 7 and the spiral dragon 8 are driven by a driving mechanism arranged on the side surface of a sealing cover 2 and rotate simultaneously, the rotating directions of the dredge rotating pipe 7 and the spiral dragon 8 are opposite, the outer side of the dredge rotating pipe 7 is movably sleeved with the inner side of the second clapboard 4, the top and the bottom of the dredge rotating pipe 7 are respectively provided with a plurality of first through grooves 701 which are arranged at equal intervals, the first through grooves 701 are positioned in the filter chamber, and the top and the bottom of the dredge rotating pipe 7 are also provided with second through grooves 702 positioned in the dredge chamber, the top and the bottom of blowdown rotary pipe 7 all switch-on have a plurality of equidistance location siphunculus 11 of arranging, and location siphunculus 11 and first logical groove 701 dislocation distribution on blowdown rotary pipe 7, the one end fixedly connected with horizontal straw 12 that blowdown rotary pipe 7 was kept away from to first logical groove 701, and the inner chamber and the location siphunculus 11 of horizontal straw 12, the inner chamber of blowdown rotary pipe 7 communicates with each other, one side that horizontal straw 12 kept away from location siphunculus 11 is close to and does not contact with the inboard of filter screen section of thick bamboo 6, refer to fig. 2-3, horizontal notch 121 has been seted up towards the inboard one side of blowdown rotary pipe 7 to horizontal straw 12, and the opening width value of horizontal notch 121 is less than the internal diameter value of location siphunculus 11, the length value of horizontal notch 121 opening is greater than the interval value of two locating ring board 5 sides, the inner wall of box 1 is equipped with the rubber film section of thick bamboo 10 that is located the filter chamber, rubber film section of thick bamboo 10 is located the outside of filter screen section of thick bamboo 6, and the outside of rubber film section of thick bamboo 10 both ends all with box 1 inner wall fixed connection, the both ends of rubber film section of thick bamboo 10 are located first baffle 3 and second baffle 4 respectively, ensure that rubber film section of thick bamboo 10 can cover the outer side of thin film section of thick bamboo 3 along the outer side of filter screen section of thick bamboo 6, the outer locating ring section of thick bamboo 301 of thin film section of thick bamboo is located, rubber film section of thick bamboo 3, rubber film section of thick bamboo 10, it is located completely, the outer side of thin film section of thick bamboo 301.
When filtering, water enters the filter chamber through the water inlet pipe 101, the water is discharged through the water channel 301 and the water outlet 102 after being filtered by the filter screen cylinder 6, meanwhile, under the pressure of water flowing, the inner side of the rubber film cylinder 10 is in a separated state from the outer side of the filter screen cylinder 6, when more impurities are accumulated on the surface of the inner side of the filter screen cylinder 6, a pressure difference is formed between the inner side and the outer side of the filter screen cylinder 6, after a self-cleaning pressure difference preset value is reached, the self-cleaning system controls the opening of the electromagnetic valve on the sewage discharge pipeline and the opening of the sewage discharge pump, so that negative pressure suction is generated in the sewage discharge cavity and the sewage discharge rotating pipe 7, at the moment, the water is discharged through the sewage discharge rotating pipe 7, the sewage discharge chamber and the sewage discharge outlet 103, the inner wall of the rubber film cylinder 10 is attached to the outer side of the filter screen cylinder 6, and simultaneously, the driving unit drives the sewage discharge rotating pipe 7 and the spiral dragon 8 to rotate simultaneously, the impurity that filter screen cylinder 6 inboard lasts the rivers that let in along with inlet tube 101 enters into blowdown runner pipe 7 through first logical groove 701, and through the effect of the relative blowdown runner pipe 7 counter-rotation of spiral flood dragon 8, impurity gets into in the blowdown room through second through groove 702, finally discharges by drain 103, and simultaneously, blowdown runner pipe 7 drives horizontal straw 12 rotatory, horizontal straw 12 is towards the horizontal notch 121 of filter screen cylinder 6 inner wall to the inner wall suction of filter screen cylinder 6, the rubber film section of thick bamboo 10 of the attached outside of cooperation filter screen cylinder 6, the negative pressure in horizontal straw 12 is enough to be inhaled the impurity that blocks in filter screen cylinder 6 filter seam department out, impurity enters into horizontal straw 12 through horizontal notch 121, and enter into blowdown runner pipe 7 through location siphunculus 11, discharge along with the water.
When the pollution discharge rotary pipe 7 is communicated with a transverse suction pipe 12 close to but not in contact with the inner wall of the filter screen cylinder 6 during back washing, the attached rubber film cylinder 10 is completely covered on the outer side of the filter screen cylinder 6, impurities in the inner wall and filter seams of the filter screen cylinder 6 are adsorbed into the pollution discharge rotary pipe 7 by utilizing negative pressure suction in the pollution discharge rotary pipe 7 and are discharged along with water, compared with the mode that the conventional broken belt pressure difference filter cleans the impurities by rotating on the inner side of the filter screen cylinder 6 through a steel brush, the problem that when the brush rotates relative to the inner wall of the filter screen cylinder 6, partial impurities are blocked into the filter seams by the pressure of the brush on the inner wall of the filter screen cylinder 6, so that blockage is caused, the subsequent filtering efficiency is influenced, further, frequent back washing process opening is caused, the energy consumption is high, the filtering efficiency is low is solved, and when pollution discharge is carried out, the negative pressure suction of an inner cavity is utilized during pollution discharge of the pollution discharge rotary pipe 7, the inner side of the rubber film cylinder 10 is attached to the outer side of the filter screen cylinder 6 to form a seal, the problem that the water flow after filtration, the water in a drainage chamber is effectively prevented from flowing back, the water enters into the filter chamber, the water inlet pipe 101 and the backflow of the pollution discharge chamber, the problem that the internal pressure of the filter chamber is reduced, and the flow of the pollution discharge efficiency is reduced, and the problem that the pollution discharge efficiency of the pollution discharge efficiency is solved, and the problem that the pollution discharge efficiency is reduced.
Referring to fig. 4, the driving mechanism includes a case 15 disposed outside the sealing cover 2, one side of the case 15 far away from the sealing cover 2 is provided with a speed reducer unit 16, an output shaft of the speed reducer unit 16 is fixedly connected with a central shaft of the spiral flood dragon 8, a driven sprocket 19 located inside the case 15 is fixedly sleeved on an output shaft of the speed reducer unit 16, a positioning rotating shaft 17 located above the driven sprocket 19 is movably sleeved inside the case 15, a driving sprocket 18 located right above the driven sprocket 19 is fixedly sleeved on the positioning rotating shaft 17, and the driving sprocket 18 is connected with the driven sprocket 19 through a chain transmission, a driving gear 20 located above the sewage discharge rotating pipe 7 is further fixedly sleeved on the positioning rotating shaft 17, one end of the sewage discharge rotating pipe 7 is fixedly connected with a driven gear 21 located below the driving gear 20, and an outer edge of the driven gear 21 is meshed with an outer edge of the driving gear 20, when sewage is discharged, when the speed reducer unit 16 drives the spiral flood dragon 8 to rotate, the driven sprocket 19, under the transmission of the chain between the driving gear 18, the positioning rotating shaft 17 drives the driving gear 20 to rotate clockwise, the driving gear 20, the spiral flood dragon 7 and the sewage discharge rotating pipe 7 and the inner wall of the spiral flood dragon is prevented from rotating pipe from rotating, and the inner wall from rotating and the sewage discharge rotating filter 7 from rotating, and the inner wall of the spiral flood filter 7 is prevented from rotating pipe from rotating and the inner wall from rotating by the spiral flood filter pipe 8, and the inner wall from rotating, and the inner wall of the spiral flood filter pipe 7, and the inner wall of the spiral flood discharge rotating pipe 7, and the inner wall of the spiral flood filter pipe 7, and the inner wall of the sewage discharge rotating filter pipe 8, and the inner wall of the sewage discharge rotating filter pipe is prevented from rotating filter pipe from rotating.
A water guide branch pipe 13 is communicated with the bottom of the separation sleeve 9, one end of the water guide branch pipe 13, which is far away from the separation sleeve 9, extends to the outside of the bottom end of the box body 1, one end of the water guide branch pipe 13 is communicated with a cavity on the outer side of the rubber film cylinder 10 in the filter chamber, a water drain branch pipe 14 communicated with the cavity on the outer side of the rubber film cylinder 10 and the sewage discharge port 103 is further arranged at the bottom of the inner cavity of the box body 1, electromagnetic valves are arranged on the water drain branch pipe 14 and the water guide branch pipe 13, when sewage is discharged, the electromagnetic valve on the water guide branch pipe 13 and a driving unit are synchronously started to be opened, the electromagnetic valve on the water drain branch pipe 14 is closed at the moment, water entering the water inlet pipe 101 flows into the inner cavity on the outer side of the rubber film cylinder 10, the pressure of the inner cavity on the outer side of the rubber film cylinder 10 is increased, the inner wall of the rubber film cylinder 10 can be completely attached to the outer side of the filter screen cylinder 6, so that impurities at the filter seam are sucked into the transverse notch 121 on the transverse suction pipe 12 on the inner wall of the filter screen cylinder 6, when the sewage discharge cylinder 6 stops normally filtering, the sewage, the electromagnetic valve on the water guide branch pipe 13 and the filter screen cylinder 13 is closed synchronously, the electromagnetic valve on the filter unit, the drainage branch pipe 14 is opened, water flows out through the water drain branch pipe 14, the water flow through the water drain branch pipe 103, and the water flow channel 103, so that the water flow out of the filter screen cylinder 6, and the filter tank 6 is not normally does not normally filtered, and the filter tank 301.
When the sewage filter is used, in a sewage filtering stage, at the moment, the speed reducer unit 16 is in a shutdown state, the electromagnetic valve on the water guide branch pipe 13 is in a closed state, the electromagnetic valve on the drainage branch pipe 14 is in an open state, sewage flows into the filter chamber through the water inlet pipe 101 and flows from the inner side of the filter screen cylinder 6 to the outer side of the filter screen cylinder for filtering, and is finally discharged through the water passage channel 301 and the water inlet pipe 101, filtered impurities are located at the inner side of the filter screen cylinder 6, after the pressure difference between the inner side and the outer side of the filter screen cylinder 6 reaches a preset self-cleaning pressure difference value, the electromagnetic valve on the sewage discharge pipeline is controlled to be opened and the sewage discharge pump is controlled to be opened by the self-cleaning system, at the moment, the electromagnetic valve on the water guide branch pipe 13 is opened, the electromagnetic valve on the drainage branch pipe 14 is closed, water entering from the water inlet pipe 101 also enters a chamber at the outer side of the rubber film cylinder 10 through the water guide branch pipe 13, so that the pressure in the chamber at the outer side of the rubber film cylinder 10 is increased, the inner side of the rubber film cylinder 10 is attached to the surface at the outer side of the filter screen cylinder 6, the sewage discharge chamber and the sewage discharge chamber, the negative pressure formed in the speed reducer unit 7 is reduced to suck water in the filter screen cylinder 6 and the filter screen cylinder 7, and the filter screen cylinder 6, and the sewage discharge port, and the sewage discharge pipe 7, and the sewage discharge pipe can be recovered to be in a normal state, and discharged from the filter unit, and discharged under the suction pipe, and the normal state after the sewage discharge pipe 8, and the sewage discharge pipe, and the sewage discharge port is recovered to be cleaned, and the sewage discharge port, and the sewage discharge pipe 7.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an automatic differential pressure filter of back flush blowdown, includes box (1), and the side of box (1) is equipped with closing cap (2), and the middle part that closing cap (2) one side was kept away from in box (1) is equipped with inlet tube (101), its characterized in that: the utility model discloses a sewage treatment device, including box (1), baffle (1), drainage chamber, filter chamber and blowdown room, the both sides of box (1) inner chamber are equipped with first baffle (3) and second baffle (4) respectively, second baffle (4) are located the one side that is close to closing cap (2), and first baffle (3) and second baffle (4) separate the inner room of box (1) from a left side to the right side in proper order for drainage chamber, filter chamber and blowdown room, the middle part of one side of closing cap (2) is kept away from to box (1) is equipped with inlet tube (101), and inlet tube (101) and filter chamber switch-on, the top of box (1) is equipped with delivery port (102) of switch-on drainage chamber, and the outer edge of first baffle (3) is seted up water service trough (301) of switch-on drainage chamber and filter chamber, be equipped with strainer section of thick bamboo (6) between first baffle (3) and second baffle (4), the inboard of strainer section of thick bamboo (6) is equipped with rotatable blowdown rotary pipe (7), and blowdown rotary pipe (7) is equipped with transverse direction suction pipe (12) through the actuating mechanism drive rotation that locates the closing cap (2) outside blowdown rotary pipe (7), the top and bottom of all fixed a plurality of fixed location (11) of blowdown rotary pipe (7), and transverse direction of the suction pipe (12) is equipped with suction pipe (12) of suction pipe 12 is kept away from to the transverse direction of suction pipe (12) of the blowdown rotary pipe (12) of the transverse direction of the inner wall (12) of the blowdown, the inner cavity of the transverse suction pipe (12) is communicated with the inner cavity of the sewage discharge rotating pipe (7) and the sewage discharge chamber, a rubber film cylinder (10) capable of completely covering the outer side of the filter screen cylinder (6) is arranged in the filtering chamber, a sewage discharge outlet (103) communicated with the sewage discharge chamber is arranged at the bottom of the box body (1), a spiral dragon (8) is arranged in the sewage discharge rotating pipe (7), the sewage discharge rotating pipe (7) and the spiral dragon (8) are driven by a driving mechanism arranged on the side surface of the sealing cover (2) to rotate simultaneously, the rotating directions of the sewage discharge rotating pipe (7) and the spiral dragon (8) are opposite, the outer side of the sewage discharge rotating pipe (7) is movably sleeved with the inner side of the second partition plate (4), and a plurality of first through grooves (701) which are arranged at equal intervals are formed in the top and the bottom of the sewage discharge rotating pipe (7), first logical groove (701) are located the filter chamber, second logical groove (702) that is located the blowdown chamber is still seted up to the top and the bottom of blowdown runner pipe (7), the top and the bottom of blowdown runner pipe 7 all switch-on have location siphunculus (11) that a plurality of equidistance were arranged, and location siphunculus (11) and first logical groove (701) dislocation distribution on blowdown runner pipe (7), the one end fixedly connected with horizontal straw (12) of blowdown runner pipe (7) are kept away from in first logical groove (701), and the inner chamber of horizontal straw (12) and location siphunculus (11), the inner chamber of blowdown runner pipe (7) communicates with each other, one side and the screen section of thick bamboo (1) that location siphunculus (11) were kept away from in horizontal straw (12) 6) The inner sides of the transverse suction pipes (12) are close to but not in contact with each other, one side, facing the inner side of the sewage discharge rotating pipe (7), of each transverse suction pipe (12) is provided with a transverse notch (121), the opening width value of each transverse notch (121) is smaller than the inner diameter value of each positioning through pipe (11), and the opening length value of each transverse notch (121) is larger than the distance value between the side faces of the two positioning ring plates (5).
2. The differential pressure filter for automatic backwash sewage disposal according to claim 1, wherein: the side of first baffle (3) and second baffle (4) is fixedly connected with position ring board (5) that are located the filter chamber respectively, and position ring board (5) are located the inboard of water trough (301), the outside at filter screen section of thick bamboo (6) both ends respectively with the inboard fixed connection of two position ring boards (5), the outside at a rubber film section of thick bamboo (10) both ends all with box (1) inner wall fixed connection, and the both ends of a rubber film section of thick bamboo (10) are located first baffle (3) and second baffle (4) department respectively.
3. The differential pressure filter for automatic backwash sewage disposal according to claim 1, wherein: the middle part between the inner wall of the box body (1) and the first partition plate (3) is provided with a separation sleeve (9) positioned in the drainage chamber, and the water inlet pipe (101) is communicated with the filtering chamber through the separation sleeve (9).
4. The differential pressure filter for automatic back flush blowdown of claim 3, wherein: the bottom of separating sleeve pipe (9) is connected with water guide branch pipe (13), one end of water guide branch pipe (13) far away from separating sleeve pipe (9) extends to the outside of box (1) bottom, and the one end of water guide branch pipe (13) is connected with the chamber outside rubber film cylinder (10) in the filter chamber, the bottom of box (1) inner chamber still is equipped with drainage branch pipe (14) of connecting rubber film cylinder (10) outside chamber and drain (103), and all is equipped with the solenoid valve on drainage branch pipe (14) and water guide branch pipe (13).
5. The differential pressure filter for automatic back flush blowdown according to claim 1, wherein: actuating mechanism is including locating quick-witted case (15) in closing cap (2) outside, one side that closing cap (2) were kept away from in quick-witted case (15) is equipped with speed reduction unit (16), the output shaft of speed reduction unit (16) and the center pin fixed connection of spiral flood dragon (8), fixed cover is equipped with driven sprocket (19) that are located quick-witted case (15) inside on the output shaft of speed reduction unit (16), the inside movable sleeve of quick-witted case (15) is equipped with location pivot (17) that are located driven sprocket (19) top, fixed cover is equipped with drive sprocket (18) that are located directly over driven sprocket (19) on location pivot (17), and is connected through chain drive between drive sprocket (18) and driven sprocket (19), still fixed cover is equipped with driving gear (20) that are located blowdown revolving tube (7) top on location pivot (17), the one end fixedly connected with of blowdown revolving tube (7) is located driven gear (21) below, and the outer edge of driven gear (21) meshes with driving gear (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111096659.8A CN113750612B (en) | 2021-09-18 | 2021-09-18 | Differential pressure filter capable of automatically backwashing and discharging sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111096659.8A CN113750612B (en) | 2021-09-18 | 2021-09-18 | Differential pressure filter capable of automatically backwashing and discharging sewage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113750612A CN113750612A (en) | 2021-12-07 |
| CN113750612B true CN113750612B (en) | 2022-12-13 |
Family
ID=78796485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111096659.8A Active CN113750612B (en) | 2021-09-18 | 2021-09-18 | Differential pressure filter capable of automatically backwashing and discharging sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113750612B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115338192A (en) * | 2022-08-12 | 2022-11-15 | 杨永朝 | Electronic device etching apparatus |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6267879B1 (en) * | 1999-08-11 | 2001-07-31 | Odis Irrigation Equipment Ltd. | Continuous liquid filtering apparatus with multi-layer sintered filtering element |
| US6478958B1 (en) * | 2000-01-19 | 2002-11-12 | Baldwin Filters, Inc. | Apparatus for filtering impurities out of fluid |
| CA2377883A1 (en) * | 2002-03-15 | 2003-09-15 | Bernard Lapointe | Liquid-solid separator |
| CN203556185U (en) * | 2013-11-14 | 2014-04-23 | 浙江鹰鹏船舶设备制造有限公司 | Automatic-cleaning water filter |
| CN203710773U (en) * | 2014-01-03 | 2014-07-16 | 杨阳 | Self-cleaning filter |
| CN106938786A (en) * | 2016-01-03 | 2017-07-11 | 胡克仁 | A kind of cereal collects machine |
| CN109499159A (en) * | 2017-09-15 | 2019-03-22 | 南京鑫豪高分子材料有限公司 | A kind of self-cleaning filter |
| CN210933964U (en) * | 2019-10-24 | 2020-07-07 | 江苏景雄科技有限公司 | Flow velocity regulating and controlling device with filtering membrane |
| CN210945081U (en) * | 2019-10-25 | 2020-07-07 | 葛洲坝水务(滨州)有限公司 | Submersible water treatment device |
| CN212523233U (en) * | 2020-05-09 | 2021-02-12 | 北京龙庆首创水务有限责任公司 | Sewage treatment plant convenient to clearance filter screen |
| CN213077673U (en) * | 2020-05-12 | 2021-04-30 | 浙江坤态环保科技有限公司 | Sewage treatment device with impurity filtering function |
| CN212309079U (en) * | 2020-05-20 | 2021-01-08 | 河北广利环保工程有限公司 | Water treatment system |
| CN212403572U (en) * | 2020-06-10 | 2021-01-26 | 海南一然环保科技有限公司 | Immersed ultrafiltration device |
| CN213132170U (en) * | 2020-08-11 | 2021-05-07 | 诺克尔过滤（苏州）有限公司 | Self-cleaning filter |
| CN213328848U (en) * | 2020-09-07 | 2021-06-01 | 西南石油大学 | Negative pressure garbage cleaning machine |
-
2021
- 2021-09-18 CN CN202111096659.8A patent/CN113750612B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113750612A (en) | 2021-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113750612B (en) | Differential pressure filter capable of automatically backwashing and discharging sewage | |
| CN204815880U (en) | Self -cleaning filter | |
| CN202590464U (en) | Self-cleaning filter device for multiple stages of strainers | |
| US4564451A (en) | Apparatus for cleaning a swimming pool strainer | |
| CN208049509U (en) | Suction type self-cleaning filter | |
| CN213313675U (en) | Water purifier with automatic sewage discharge function | |
| KR100488613B1 (en) | Simple waterworks filtration device | |
| CN214344940U (en) | Prevent municipal wastewater treatment device of jam | |
| CN2759567Y (en) | On-line backwash gamma type filter apparatus | |
| CN211799300U (en) | Backwashing filter box for ornamental water | |
| CN213433299U (en) | Rotary disc filter for sewage treatment | |
| CN211069261U (en) | Spin-drum type cleaning system of water curtain dust removing equipment | |
| CN206008143U (en) | A kind of purifying water process automatic backwash system | |
| CN113521842A (en) | Fishery breeding tail water purifying and circulating device | |
| CN114870487A (en) | Water treatment filtration system and cross valve thereof | |
| CN216366860U (en) | Automatic washing type filter element | |
| CN219231612U (en) | Self-cleaning disc filter device | |
| CN206103469U (en) | Backwashing filter | |
| CN217868429U (en) | Purifier for swimming pool | |
| CN219784195U (en) | Self-cleaning scraping plate structure of filter | |
| CN218989036U (en) | Water quality treatment station | |
| CN221155648U (en) | Sewage treatment carousel filtering pond | |
| CN219481884U (en) | Laminated water purifying device for purifying water quality of lakes and reservoirs | |
| CN221358925U (en) | Sediment collecting plate and multistage drainage filtration system comprising same | |
| CN219630817U (en) | Desilting device for desilting pond |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221114 Address after: 710000 room 517, block B, floor 5, No. 4 plant, Torch Road, Beilin District, Xi'an City, Shaanxi Province Applicant after: SHAANXI JINYU TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 264000 No. 150, hujiazhuang village, Dayao Town, Mouping District, Yantai City, Shandong Province Applicant before: Chen Baoxin |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |