CN117282171A - Sewage pre-filtering device - Google Patents
Sewage pre-filtering device Download PDFInfo
- Publication number
- CN117282171A CN117282171A CN202311566602.9A CN202311566602A CN117282171A CN 117282171 A CN117282171 A CN 117282171A CN 202311566602 A CN202311566602 A CN 202311566602A CN 117282171 A CN117282171 A CN 117282171A
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- CN
- China
- Prior art keywords
- sedimentation
- sewage
- positioning
- pipe
- rod
- 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.)
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- 239000010865 sewage Substances 0.000 title claims abstract description 77
- 238000001914 filtration Methods 0.000 title claims abstract description 38
- 238000004062 sedimentation Methods 0.000 claims abstract description 95
- 239000010802 sludge Substances 0.000 claims abstract description 54
- 238000000605 extraction Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000011282 treatment Methods 0.000 claims abstract description 28
- 238000011045 prefiltration Methods 0.000 claims abstract description 19
- 238000005086 pumping Methods 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 238000007790 scraping Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 15
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 208000028659 discharge Diseases 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2444—Discharge mechanisms for the classified liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- 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
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/075—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements located in a closed housing and comprising scrapers or agitators on the cake side of the filtering elements, e.g. Nutsche- or Rosenmund-type filters for performing multiple step operations such as chemical reactions, filtering and cake treatment
-
- 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
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a sewage pre-filtering device, which relates to the technical field of sewage filtering treatment and comprises the following components: a positioning tube; the water inlet pipe is communicated with the positioning pipe and is used for inputting sewage into the positioning pipe; the sedimentation barrels are used for carrying out sedimentation separation treatment on sludge and water entering the sedimentation barrels, and a flow guide pipe is communicated between each sedimentation barrel and the positioning pipe; the filter plates are fixedly arranged in the positioning pipes and used for filtering sewage entering the positioning pipes, and the filter plates are positioned at the upper ends of the plurality of guide pipes. The advantages are that: when the sewage is subjected to pre-filtration treatment, the sludge accumulated at the edge of the filter plate can be pumped into the sedimentation barrel by utilizing the operation of the pumping part, so that the influence of blockage of a sewage outlet on the pre-filtration effect is avoided, and after the extraction is finished, the water at the upper end part of the sedimentation barrel can be directly led into the positioning pipe in a backflow way by utilizing the cooperation of the pumping part and the backflow part, so that the integral pre-filtration effect of the sewage is ensured.
Description
Technical Field
The invention relates to the technical field of sewage filtration treatment, in particular to a sewage pre-filtering device.
Background
The sewage treatment is a process of carrying out a series of treatments on sewage to enable the sewage to be reused, and when the sewage treatment is carried out, a filtering link can be involved, wherein the filtering includes large-volume sundry filtering, small-volume sundry filtering and filtering of sludge and floating mixture, and the filtering efficiency of the sludge and the floating mixture is lower, so that a pre-filtering device is used for pre-treating the sludge before the sewage treatment.
Through searching, the patent document with publication number CN112169392B discloses a front energy-saving anti-blocking filter device for sewage treatment, which comprises a positioning tube, a filter plate and an anti-blocking part. According to the invention, a filter plate is arranged in a positioning pipe, a top scraping plate is arranged at the upper part of the filter plate, a hanging frame is arranged at the lower part of the filter plate, the middle part of the hanging frame is hinged with a hanging pipe, the upper part of the hanging pipe is elastically connected with a sliding sleeve, the sliding sleeve is in spherical hinge connection with the top scraping plate, and scraping strips are arranged at the outer periphery of the top scraping plate.
The front energy-saving anti-blocking filtering device for sewage treatment has the following defects:
1. when sewage is subjected to pre-filtration, although the scraping strips scrape the sludge deposited on the filter plate to fall on the edge of the filter plate to play a certain anti-blocking effect, the sludge falling on the edge of the filter plate is difficult to effectively and directly enter the static sedimentation barrel, long-term accumulation can cause the blockage of a sewage outlet between the positioning pipe and the static sedimentation barrel, and the problem of blockage also exists;
2. when carrying out prefiltering to sewage, not only mud, still partial moisture in entering quiet sedimentation tank, the inside very fast of inside quilt of this moisture can make quiet sedimentation tank is filled up, leads to its effect of holding mud limited to the moisture in entering quiet sedimentation tank also can't obtain effective prefiltering in the follow-up, leads to the holistic prefiltering effect of sewage to be poor.
Therefore, a sewage pre-filter device needs to be designed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a sewage pre-filtering device, which solves the problems that a sewage outlet is easy to be blocked due to sludge accumulation and the overall pre-filtering effect of sewage is poor in the background art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a pre-filtration device for sewage, comprising:
a positioning tube;
the water inlet pipe is communicated with the positioning pipe and is used for inputting sewage into the positioning pipe;
the sedimentation barrels are used for carrying out sedimentation separation treatment on sludge and water entering the sedimentation barrels, and a flow guide pipe is communicated between each sedimentation barrel and the positioning pipe;
the filter plates are fixedly arranged in the positioning pipes and are used for filtering sewage entering the positioning pipes, and the filter plates are positioned at the upper ends of the plurality of guide pipes;
a mud scraping part; the mud scraping part is used for scraping the mud deposited on the filter plate to the edge of the filter plate and comprises a driving rod rotationally connected to the positioning pipe;
a plurality of pumping parts; the pumping part is used for sucking the sludge deposited at the edge of the filter plate into the sedimentation cylinder and comprises a rotating rod rotatably connected to the sedimentation cylinder;
a plurality of reflux units; the reflux part is used for re-inputting the water entering the sedimentation barrel into the positioning pipe for filtering treatment, the reflux part comprises a drawing seat fixedly arranged at the upper end of the sedimentation barrel, a piston plate is connected in a sliding way in the drawing seat, and a jacking mechanism is arranged between the piston plate and the drawing part;
a total driving part; the total drive part is used for providing driving force for the operation of the mud scraping part and the extraction part, and comprises a mounting frame fixedly mounted at the upper end of the positioning pipe.
Further, a plurality of drain openings matched with corresponding flow guide pipes are formed in the positioning pipe, the bottoms of the drain openings are all flush with the upper surface of the edge of the filter plate, connectors matched with the corresponding flow guide pipes are formed in the sedimentation barrel, a filter screen is fixedly mounted in the sedimentation barrel, and the filter screen is located at the upper end of the top of the corresponding connector.
Further, the actuating lever bottom fixed mounting has the mounting panel, and fixed mounting has a plurality of scrapes on the lateral wall of mounting panel, every scrape strip lower surface and the interval of filter and outwards increase gradually in proper order from the filter center, it has the extraction pipe to extract seat bottom intercommunication, it has the back flow to communicate between the lateral wall of extraction seat and the locating tube, install check valve one in the extraction seat, install check valve two in the back flow.
Further, one end of the rotating rod located in the sedimentation barrel is fixedly provided with a reciprocating screw rod, the lower end of the reciprocating screw rod is in threaded connection with a reciprocating sliding rod, the lower end of the reciprocating sliding rod is provided with a drawing assembly, the drawing assembly comprises a circular plate fixedly arranged at the bottom of the reciprocating screw rod, the lower end of the circular plate is provided with a connecting sleeve through two connecting mechanisms, the bottom of the circular plate is fixedly provided with a sealing column which is anastomotic with the inner wall of the connecting sleeve, and the diameter of the circular plate is smaller than that of the connecting sleeve.
Further, coupling mechanism includes fixed mounting at the connecting rod of plectane lower extreme, connecting sleeve's upper surface seted up with connecting rod matched with spread groove, install the extension spring between connecting rod bottom and the spread groove, both ends are equal fixed mounting has the stopper around the connecting rod, the spacing groove has all been seted up on both sides wall around the spread groove, and two spacing grooves cooperate with two stoppers respectively.
Further, the sedimentation barrel is internally and fixedly provided with a positioning ring, the inner diameter of the positioning ring is larger than the diameter of the circular plate, the inner diameter of the positioning ring is smaller than the diameter of the connecting sleeve, and sliding holes matched with the extracting pipe are formed in the circular plate and the sealing column.
Further, climbing mechanism includes two dead levers of fixed mounting in the piston board lower extreme, and two dead levers are sliding connection with subsidence bucket and extraction seat, two the dead lever is located the one end fixed mounting who subsides the bucket has the go-between, and the internal diameter of go-between is greater than the diameter of reciprocal slide bar, the internal diameter of go-between is less than the diameter of plectane.
Further, driving motor is fixedly arranged at the upper end of the mounting frame, the output end of the driving motor is fixedly connected with a driving shaft, a driving gear is fixedly arranged at the bottom of the driving shaft, the driving gear is fixedly connected with the upper end of the driving rod, and a transmission mechanism is arranged between the driving gear and the plurality of rotating rods.
Further, the transmission mechanism comprises a rotating shaft which is rotationally connected to the upper end of the positioning tube, a connecting gear is fixedly arranged at the upper end of the rotating shaft, the connecting gear is meshed with the driving gear, and a belt transmission structure is arranged between the rotating shaft and the rotating rod.
Further, a rotating hole matched with the rotating rod is formed in the piston plate, a movable sealing sleeve matched with the rotating rod is installed in the rotating hole, the bottom of the sedimentation barrel is in a through arrangement, a thread groove is formed in the bottom of the sedimentation barrel, a thread ring is connected in the thread groove in a threaded mode, and a bottom cover is fixedly installed at the bottom of the thread ring.
Compared with the prior art, the invention has the advantages that:
1: when carrying out leading filtration treatment to sewage, can be with piling up in the mud extraction of filter edge to subside the bucket, avoid mud to pile up for a long time and lead to the drain to block up and influence leading filter effect, specifically through the design of drawing the portion, can make the connector produce the negative pressure and carry out the extraction to mud.
2: when the sewage is subjected to pre-filtration treatment, water in the sedimentation barrel can be subjected to reflux treatment, the overall pre-filtration effect of the sewage is improved, and the water at the upper end of the sedimentation barrel can be automatically refluxed into the positioning pipe in the second half process of sludge extraction through the cooperation of the reflux part and the extraction assembly.
3: when sewage is subjected to pre-filtration treatment, the scraping of sludge on the filter plate, the extraction of the sludge and the backflow of water in the sedimentation barrel can be synchronously performed, and particularly, the design of the total driving part can provide driving force for the operation of the sludge scraping part, the pumping part and the backflow part when the driving motor works, so that the use cost of the device is reduced.
4: when sewage is subjected to pre-filtration treatment, the sludge accumulated at the edge of the filter plate can be pumped into the sedimentation barrel, then water above the sewage is pumped out for backflow, backflow effect can be ensured, and particularly, after the sludge is pumped out, a circular plate and a connecting sleeve are separated and a jacking mechanism is jacked to operate.
5: after the pretreatment of sewage is finished, the sludge in the sedimentation barrel can be conveniently discharged, the sludge can be conveniently treated independently, and the sludge can be directly discharged at the moment by screwing the bottom cover to separate the sludge from the sedimentation barrel through the cooperation of the threaded ring and the threaded groove.
In summary, when the sewage is subjected to the pre-filtration treatment, the sludge accumulated at the edge of the filter plate can be pumped into the sedimentation barrel by utilizing the operation of the pumping part, so that the influence of the blockage of the sewage outlet on the pre-filtration effect is avoided, and the water at the upper end part of the sedimentation barrel can be directly led into the positioning pipe in a backflow way by utilizing the cooperation of the pumping part and the backflow part after the extraction is finished, so that the integral pre-filtration effect of the sewage is ensured.
Drawings
FIG. 1 is a schematic diagram of a sewage prefilter according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 after being deflected to the right by a certain angle;
FIG. 3 is an exploded view of the structure of FIG. 2 after being deflected downward to the right by a certain angle;
FIG. 4 is a schematic view of the positioning tube of FIG. 1 after the front end portion is opened;
FIG. 5 is a cross-sectional view of FIG. 1;
FIG. 6 is a schematic view of the positioning tube and its upper assembly shown in FIG. 3 after being deflected to the upper left by a certain angle;
FIG. 7 is an enlarged schematic view of one of the settling casks and its upper assembly of FIG. 3;
FIG. 8 is an exploded view of the sedimentation tank of FIG. 7;
FIG. 9 is an enlarged schematic view of the drive rod and components thereon of FIG. 4;
FIG. 10 is an enlarged schematic view of the internal structure of FIG. 7;
FIG. 11 is an exploded view of the filter screen and retaining ring of FIG. 10;
FIG. 12 is an enlarged schematic view of the reciprocating slide bar and the connecting sleeve and its upper assembly shown in FIG. 11;
FIG. 13 is a schematic view of the structure of FIG. 1 with the positioning tube and a plurality of settling casks removed;
FIG. 14 is a schematic view of the structure of FIG. 13 after being deflected upwardly at an angle;
fig. 15 is an enlarged schematic view of a cross-sectional structure of the connecting sleeve in fig. 12.
In the figure: the device comprises a positioning tube 1, a water inlet tube 2, a honeycomb duct 3, a sedimentation barrel 4, a sewage outlet 5, a connecting port 6, a filter plate 7, a driving rod 8, a mounting plate 9, a scraping strip 10, an extraction seat 11, a rotating rod 12, a reciprocating screw rod 13, a reciprocating sliding rod 14, a circular plate 15, a connecting sleeve 16, a connecting groove 17, a connecting rod 18, a tension spring 19, a sealing column 20, a piston plate 21, a filter screen 22, a positioning ring 23, a connecting ring 24, a fixing rod 25, a mounting frame 26, a driving motor 27, a driving gear 28, a rotating shaft 29, a connecting gear 30, a belt transmission structure 31, a bottom cover 32, a thread groove 33, a thread ring 34, a 35 extraction tube 35, a return pipe 36, a limiting block 37 and a limiting groove 38.
Detailed Description
Referring to fig. 1 to 9, 13 and 14, a sewage prefilter apparatus includes:
the sewage treatment device comprises a positioning pipe 1, wherein a water inlet pipe 2 is communicated with the positioning pipe 1, the water inlet pipe 2 is used for inputting sewage into the positioning pipe 1, and one end, connected with the positioning pipe 1, of the water inlet pipe 2 is positioned at the upper position of the side wall of the positioning pipe 1;
the sedimentation tanks 4 are used for carrying out sedimentation separation treatment on sludge and water entering the sedimentation tanks 4, a flow guide pipe 3 is communicated between each sedimentation tank 4 and the positioning pipe 1, a plurality of drain outlets 5 matched with the corresponding flow guide pipe 3 are formed in the positioning pipe 1, and a connection port 6 matched with the corresponding flow guide pipe 3 is formed in each sedimentation tank 4;
through the cooperation of the sewage drain 5 and the connecting port 6, the sludge in the positioning pipe 1 can enter the sedimentation barrels 4 through the flow guide pipe 3, the filter screen 22 is fixedly arranged in each sedimentation barrel 4, each filter screen 22 is positioned at the upper end of the top of the corresponding connecting port 6, the water is separated from the sludge entering the sedimentation barrels 4 under the action of the filter screen 22, the sludge can be positioned at the lower end of the filter screen 22 only in the sedimentation barrels 4, and the water entering the sedimentation barrels 4 can be conveniently taken out later, so that the integral front-mounted filtering effect of the sewage is improved;
the filter plates 7 are fixedly arranged in the positioning pipes 1, the upper surfaces of the filter plates 7 are arc-shaped, the filter plates 7 are used for filtering sewage entering the positioning pipes 1, the filter plates 7 are positioned at the upper ends of the plurality of guide pipes 3, the bottom of each sewage drain opening 5 is flush with the upper surface of the edge of each filter plate 7, the sewage entering the positioning pipes 1 filters sludge under the action of the filter plates 7, and the sludge can be flushed to the edge of each filter plate 7 due to the shape design of the filter plates 7, so that the sludge positioned at the edge of each filter plate 7 can enter the sedimentation barrel 4 from the guide pipe 3 through the corresponding sewage drain opening 5;
the bottom of the sedimentation barrel 4 is arranged in a penetrating way, a thread groove 33 is formed in the bottom of the sedimentation barrel 4, a thread ring 34 is connected in the thread groove 33 in a threaded way, a bottom cover 32 is fixedly arranged at the bottom of the thread ring 34, and under the cooperation of the thread ring 34 and the thread groove 33, after the front-end filtration treatment of sewage is finished, the bottom cover 32 is unscrewed to discharge sludge from the bottom of the sedimentation barrel 4, so that the sludge is convenient to treat independently;
the sludge scraping part is used for scraping sludge deposited on the filter plate 7 to the edge of the filter plate 7, the sludge scraping part comprises a driving rod 8 rotationally connected to the positioning tube 1, a mounting plate 9 is fixedly arranged at the bottom of the driving rod 8, a plurality of scraping strips 10 are fixedly arranged on the side wall of the mounting plate 9, when the driving rod 8 rotates, the plurality of scraping strips 10 can be driven to rotate at the upper end of the filter plate 7 through the mounting plate 9 to scrape the sludge deposited on the filter plate 7, the sludge falls on the edge of the filter plate 7 along the filter plate 7, the sludge is conveniently led into the sedimentation barrel 4, the distance between the lower surface of each scraping strip 10 and the filter plate 7 increases from the center of the filter plate 7 to the outside in sequence, and the distance is designed for enabling a larger space to be used for accumulating sludge at the edge of the filter plate 7, so that the possibility that the sludge falling on the edge of the filter plate 7 is mixed with sewage entering the positioning tube 1 again under the rotation of the scraping strips 10 is reduced;
the total drive part, total drive part is used for providing the drive force to the operation of scraping mud portion and extraction portion, total drive part includes mounting bracket 26 of fixed mounting in the registration arm 1 upper end, mounting bracket 26 upper end fixed mounting has driving motor 27, and driving motor 27's output fixedly connected with drive shaft, drive shaft bottom fixed mounting has drive gear 28, drive gear 28 and actuating lever 8 upper end fixed connection, when driving motor 27 during operation, accessible drive shaft drives drive gear 28 rotation, can make actuating lever 8 rotate afterwards, provide the drive force to the operation of scraping mud portion.
Referring to fig. 1 to 8 and 10 to 15, a sewage prefilter apparatus includes:
the suction parts are used for sucking the sludge deposited at the edge of the filter plate 7 into the sedimentation cylinder 4, each suction part comprises a rotating rod 12 rotatably connected to the sedimentation cylinder 4, one end of each rotating rod 12 positioned in the sedimentation cylinder 4 is fixedly provided with a reciprocating screw rod 13, the lower end of each reciprocating screw rod 13 is in threaded connection with a reciprocating slide rod 14, and the lower end of each reciprocating slide rod 14 is provided with a suction assembly;
the pumping assembly comprises a circular plate 15 fixedly arranged at the bottom of the reciprocating screw rod 13, a connecting sleeve 16 is arranged at the lower end of the circular plate 15 through two connecting mechanisms, a sealing column 20 which is matched with the inner wall of the connecting sleeve 16 is fixedly arranged at the bottom of the circular plate 15, the diameter of the circular plate 15 is smaller than that of the connecting sleeve 16, when the reciprocating screw rod 13 rotates, the reciprocating slide rod 14 can drive the circular plate 15 to move up and down in the sedimentation barrel 4, when the circular plate 15 and the connecting sleeve 16 move up simultaneously, negative pressure is generated at a connecting port 6 on the sedimentation barrel 4, at the moment, sludge accumulated at the edge of the filter plate 7 can be pumped into the sedimentation barrel 4, the problem that a sewage drain 5 is blocked due to sludge accumulation is avoided, and the front-mounted filtering effect is ensured;
the connecting mechanism comprises a connecting rod 18 fixedly arranged at the lower end of a circular plate 15, a connecting groove 17 matched with the connecting rod 18 is formed in the upper surface of a connecting sleeve 16, a tension spring 19 is arranged between the bottom of the connecting rod 18 and the connecting groove 17, limiting blocks 37 are fixedly arranged at the front end and the rear end of the connecting rod 18, limiting grooves 38 are formed in the front side wall and the rear side wall of the connecting groove 17, the two limiting grooves 38 are respectively matched with the two limiting blocks 37, under the action of the tension spring 19, when the connecting sleeve 16 is not subjected to upward movement resistance, the connecting sleeve 16 is closely attached to a sealing column 21 at the lower end of the circular plate 15, and at the moment, the circular plate 15 moves upwards to drive the connecting sleeve 16 to move upwards at the same time, so that negative pressure is stably generated at the connecting port 6;
a positioning ring 23 is fixedly arranged in the sedimentation barrel 4, the inner diameter of the positioning ring 23 is larger than the diameter of the circular plate 15, the inner diameter of the positioning ring 23 is smaller than the diameter of the connecting sleeve 16, when the circular plate 15 moves up to the position of the positioning ring 23, the positioning ring 23 can prevent the upward movement of the connecting sleeve 16, at the moment, under the cooperation of the connecting rod 18 and the connecting groove 17, the circular plate 15 is separated temporarily from the connecting sleeve 16, at the moment, the circular plate 15 continues to move up so as not to cause the connecting sleeve 16 to move up, and therefore, negative pressure cannot continue to be generated at the connecting port 6;
the water treatment device comprises a sedimentation tank 4, a positioning pipe 1, a plurality of backflow parts, a first check valve and a second check valve, wherein the backflow parts are used for re-inputting water entering the sedimentation tank 4 into the positioning pipe 1 for filtering treatment, the backflow parts comprise an extraction seat 11 fixedly arranged at the upper end of the sedimentation tank 4, an extraction pipe 35 is communicated with the bottom of the extraction seat 11, a backflow pipe 36 is communicated between the side wall of the extraction seat 11 and the positioning pipe 1, the first check valve is arranged in the extraction seat 11, the second check valve is arranged in the backflow pipe 36, the piston plate 21 is connected in the extraction seat 11 in a sliding manner, sewage in the sedimentation tank 4 can enter the extraction seat 11 in a one-way manner, the second check valve is designed to enable sewage in the extraction seat 11 to flow back into the positioning pipe 1 in a one-way, so that when the piston plate 21 moves upwards, the water at the upper end of the sedimentation tank 4 can be pumped into the extraction seat 11, and when the piston plate 21 moves downwards, the water is fed into the positioning pipe 1 through the backflow pipe 36;
the circular plate 15 and the sealing column 20 are provided with sliding holes matched with the extraction pipe 35, sliding sealing pieces matched with the extraction pipe 35 are arranged in the sliding holes, and the circular plate 15 can not influence the extraction pipe 35 when moving up and down through the design of the sliding holes, so that the position of the lower end of the circular plate in the sedimentation barrel 4 is kept unchanged;
a jacking mechanism is arranged between the piston plate 21 and the extraction assembly, the jacking mechanism comprises two fixed rods 25 fixedly arranged at the lower end of the piston plate 21, the two fixed rods 25 are in sliding connection with the sedimentation barrel 4 and the extraction seat 11, one end of each fixed rod 25 in the sedimentation barrel 4 is fixedly provided with a connecting ring 24, the inner diameter of each connecting ring 24 is larger than the diameter of the reciprocating slide rod 14, the inner diameter of each connecting ring 24 is smaller than the diameter of the circular plate 15, when the circular plate 15 moves to the position of the positioning ring 23 to be separated from the connecting sleeve 16, the continuous upward movement of the circular plate 15 can jack the connecting rings 24 to move upwards, at the moment, the piston plate 21 can be driven to move upwards in the extraction seat 11 to suck water at the upper end part of the sedimentation barrel 4 into the extraction seat 11, a spring is arranged between the connecting rings 24 and the top of the sedimentation barrel 4, when the circular plate 15 moves downwards to reset, the elastic force of the spring can enable the connecting rings 24 to move downwards to reset, and at the moment, the piston plate 21 can automatically move downwards to guide the water in the extraction seat 11 into the positioning tube 1;
a transmission mechanism is arranged between the driving gear 28 and the plurality of rotating rods 12, the transmission mechanism comprises a rotating shaft 29 which is rotationally connected to the upper end of the locating tube 1, a connecting gear 31 is fixedly arranged at the upper end of the rotating shaft 29, the connecting gear 31 is meshed with the driving gear 28, a belt transmission structure 31 is arranged between the rotating shaft 29 and the rotating rods 12, the rotating rods 12 can be driven to rotate when the rotating shaft 29 rotates through the design of the belt transmission structure 31, and the driving force can be provided for the operation of the pumping part and the reflux part when the driving motor 27 works due to the matching of the connecting gear 31 on the rotating shaft 29 and the driving gear 28 on the driving shaft;
the piston plate 21 is provided with a rotating hole matched with the rotating rod 12, and a movable sealing sleeve matched with the rotating rod 12 is arranged in the rotating hole.
In the invention, the pre-filtration of the sewage comprises the following steps:
preliminary separation of moisture from sludge: the sewage to be treated is input into the positioning pipe 1 through the water inlet pipe 2, the sludge in the sewage can be separated from water under the action of the filter plate 7, and the water after preliminary filtration flows into the next treatment equipment through the lower end of the positioning pipe 1;
the driving motor 27 is turned on while sewage is input into the positioning tube 1, and the driving rod 8 is matched with the mounting plate 9, so that a plurality of scraping strips 10 scrape along the upper surface of the filter plate, the sludge accumulated on the filter plate 7 falls on the edge of the filter plate 7, and then the sludge can enter the sedimentation barrel 4 through the flow guide tube 3;
and (3) extracting and treating sludge at the sewage outlet 5: in the filtering process, sludge falling on the edge of the filter plate 7 is continuously accumulated, at the moment, due to the operation of the driving motor 27, the plurality of transmission mechanisms can drive the plurality of rotating rods 12 to rotate simultaneously, so that under the cooperation of the reciprocating screw rod 13 and the reciprocating slide rod 14, the circular plate 15 moves upwards in the sedimentation barrel 4, at the moment, the connecting sleeve 16 moves upwards simultaneously due to the connection effect of the connecting mechanism, the cooperation of the circular plate 15 and the connecting sleeve 16 can enable the lower end of the sedimentation barrel 4 to generate negative pressure, and therefore the negative pressure is generated at the connecting port 6, and at the moment, the sludge can be easily pumped into the sedimentation barrel 4, so that the problem of blockage of the sewage outlet 5 is effectively avoided;
reflux treatment of water in the sedimentation tank 4: in the process of sucking the sludge into the sedimentation barrel 4 from the sewage outlet 5, when the circular plate 15 moves to the position of the positioning ring 23, the circular plate 15 is separated from the connecting sleeve 16 at the lower end under the action of the connecting mechanism, and the jacking mechanism is jacked to operate when the circular plate moves upwards continuously;
the lifting mechanism can move the piston plate 21 upwards in the extraction seat 11 to pump water at the upper end part of the sedimentation barrel 4 into the extraction seat 11, the reciprocating screw rod 13 can move the reciprocating slide rod 14 downwards along with the continuous rotation of the rotating rod 12, at the moment, the elastic force of the spring enables the lifting mechanism to reversely move, so that the piston plate 21 moves downwards for resetting, at the moment, the water in the extraction seat 11 can enter the positioning pipe 1 through the return pipe 36, the front filtering effect of the whole sewage is effectively improved, and the containing amount of the sedimentation barrel 4 to the sludge can be effectively improved;
and (3) sludge discharge treatment: after the pretreatment of the sewage is finished, the driving motor 27 is closed, and then the bottom cover 32 at the bottom of the sedimentation barrel 4 is unscrewed, so that the sludge collected in the sedimentation barrel can be directly discharged.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A pre-filter for sewage, comprising:
a positioning tube (1);
the water inlet pipe (2) is communicated with the positioning pipe (1), and the water inlet pipe (2) is used for inputting sewage into the positioning pipe (1);
the sedimentation device comprises a plurality of sedimentation barrels (4), wherein the sedimentation barrels (4) are used for carrying out sedimentation separation treatment on sludge and water entering the sedimentation barrels, and a flow guide pipe (3) is communicated between each sedimentation barrel (4) and a positioning pipe (1);
the filter plates (7) are fixedly arranged in the positioning pipes (1), the filter plates (7) are used for filtering sewage entering the positioning pipes (1), and the filter plates (7) are positioned at the upper ends of the plurality of guide pipes (3);
a mud scraping part; the mud scraping part is used for scraping the mud deposited on the filter plate (7) to the edge of the filter plate (7), and comprises a driving rod (8) rotatably connected to the positioning pipe (1);
a plurality of pumping parts; the pumping part is used for sucking the sludge deposited at the edge of the filter plate (7) into the sedimentation cylinder (4), and comprises a rotating rod (12) rotatably connected to the sedimentation cylinder (4);
a plurality of reflux units; the backflow part is used for re-inputting the water entering the sedimentation barrel (4) into the positioning pipe (1) for filtering treatment, and comprises a drawing seat (11) fixedly arranged at the upper end of the sedimentation barrel (4), a piston plate (21) is connected in a sliding way in the drawing seat (11), and a jacking mechanism is arranged between the piston plate (21) and the drawing part;
a total driving part; the total driving part is used for providing driving force for the operation of the mud scraping part and the extraction part and comprises a mounting frame (26) fixedly arranged at the upper end of the positioning pipe (1).
2. The sewage pre-filtering device according to claim 1, wherein a plurality of drain outlets (5) matched with the corresponding guide pipes (3) are formed in the positioning pipe (1), the bottom of each drain outlet (5) is flush with the upper surface of the edge of the filter plate (7), a connecting port (6) matched with the corresponding guide pipe (3) is formed in each sedimentation barrel (4), a filter screen (22) is fixedly installed in each sedimentation barrel (4), and each filter screen (22) is located at the upper end of the top of the corresponding connecting port (6).
3. The sewage pre-filtering device according to claim 1, wherein the bottom of the driving rod (8) is fixedly provided with a mounting plate (9), the side wall of the mounting plate (9) is fixedly provided with a plurality of scraping strips (10), the distance between the lower surface of each scraping strip (10) and the filter plate (7) increases gradually outwards from the center of the filter plate (7), the bottom of the extraction seat (11) is communicated with an extraction pipe (35), a return pipe (36) is communicated between the side wall of the extraction seat (11) and the positioning pipe (1), a first check valve is arranged in the extraction seat (11), and a second check valve is arranged in the return pipe (36).
4. The sewage pre-filtering device according to claim 1, wherein one end of the rotating rod (12) located in the sedimentation barrel (4) is fixedly provided with a reciprocating screw rod (13), the lower end of the reciprocating screw rod (13) is in threaded connection with a reciprocating slide rod (14), the lower end of the reciprocating slide rod (14) is provided with a pumping assembly, the pumping assembly comprises a circular plate (15) fixedly arranged at the bottom of the reciprocating screw rod (13), the lower end of the circular plate (15) is provided with a connecting sleeve (16) through two connecting mechanisms, the bottom of the circular plate (15) is fixedly provided with a sealing column (20) which is matched with the inner wall of the connecting sleeve (16), and the diameter of the circular plate (15) is smaller than that of the connecting sleeve (16).
5. The sewage pre-filtering device according to claim 4, wherein the connecting mechanism comprises a connecting rod (18) fixedly installed at the lower end of the circular plate (15), a connecting groove (17) matched with the connecting rod (18) is formed in the upper surface of the connecting sleeve (16), a tension spring (19) is installed between the bottom of the connecting rod (18) and the connecting groove (17), limiting blocks (37) are fixedly installed at the front end and the rear end of the connecting rod (18), limiting grooves (38) are formed in the front side wall and the rear side wall of the connecting groove (17), and the two limiting grooves (38) are matched with the two limiting blocks (37) respectively.
6. The sewage pre-filtering device according to claim 4, wherein a positioning ring (23) is fixedly installed in the sedimentation barrel (4), the inner diameter of the positioning ring (23) is larger than the diameter of the circular plate (15), the inner diameter of the positioning ring (23) is smaller than the diameter of the connecting sleeve (16), and sliding holes matched with the extracting pipe (35) are formed in the circular plate (15) and the sealing column (20).
7. The sewage pre-filtering device according to claim 4, wherein the jacking mechanism comprises two fixing rods (25) fixedly installed at the lower end of the piston plate (21), the two fixing rods (25) are in sliding connection with the sedimentation barrel (4) and the extraction seat (11), a connecting ring (24) is fixedly installed at one end of each fixing rod (25) located in the sedimentation barrel (4), the inner diameter of each connecting ring (24) is larger than the diameter of the corresponding reciprocating sliding rod (14), and the inner diameter of each connecting ring (24) is smaller than the diameter of the corresponding circular plate (15).
8. The sewage pre-filtering device according to claim 1, wherein a driving motor (27) is fixedly arranged at the upper end of the mounting frame (26), the output end of the driving motor (27) is fixedly connected with a driving shaft, a driving gear (28) is fixedly arranged at the bottom of the driving shaft, the driving gear (28) is fixedly connected with the upper end of the driving rod (8), and a transmission mechanism is arranged between the driving gear (28) and the plurality of rotating rods (12).
9. The sewage prefilter of claim 8, wherein the transmission mechanism comprises a rotating shaft (29) rotatably connected to the upper end of the positioning tube (1), a connecting gear (31) is fixedly arranged at the upper end of the rotating shaft (29), the connecting gear (31) is meshed with the driving gear (28), and a belt transmission structure (31) is arranged between the rotating shaft (29) and the rotating rod (12).
10. The sewage pre-filtering device according to claim 1, wherein a rotating hole matched with the rotating rod (12) is formed in the piston plate (21), a movable sealing sleeve matched with the rotating rod (12) is installed in the rotating hole, the bottom of the sedimentation barrel (4) is in a through arrangement, a thread groove (33) is formed in the bottom of the sedimentation barrel (4), a thread ring (34) is connected with the thread groove (33) in an internal thread mode, and a bottom cover (32) is fixedly installed at the bottom of the thread ring (34).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311566602.9A CN117282171B (en) | 2023-11-23 | 2023-11-23 | Sewage pre-filtering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311566602.9A CN117282171B (en) | 2023-11-23 | 2023-11-23 | Sewage pre-filtering device |
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| CN117282171A true CN117282171A (en) | 2023-12-26 |
| CN117282171B CN117282171B (en) | 2024-01-23 |
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| CN202311566602.9A Active CN117282171B (en) | 2023-11-23 | 2023-11-23 | Sewage pre-filtering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117654137A (en) * | 2024-02-01 | 2024-03-08 | 德州欣宇电气自动化设备有限公司 | Filter for hydraulic engineering |
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| CN211357881U (en) * | 2019-10-23 | 2020-08-28 | 胡爱军 | Sewage recovery processing device |
| CN112169392A (en) * | 2020-09-22 | 2021-01-05 | 李绍祥 | Leading energy-conserving stifled filter equipment that prevents for sewage treatment |
| CN115025734A (en) * | 2022-08-15 | 2022-09-09 | 南通劲海生物医药有限公司 | Continuous flow micro-channel reactor capable of avoiding blockage |
| CN116986771A (en) * | 2023-09-11 | 2023-11-03 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Pit-closing mine underground water pollution treatment equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211357881U (en) * | 2019-10-23 | 2020-08-28 | 胡爱军 | Sewage recovery processing device |
| CN112169392A (en) * | 2020-09-22 | 2021-01-05 | 李绍祥 | Leading energy-conserving stifled filter equipment that prevents for sewage treatment |
| CN115025734A (en) * | 2022-08-15 | 2022-09-09 | 南通劲海生物医药有限公司 | Continuous flow micro-channel reactor capable of avoiding blockage |
| CN116986771A (en) * | 2023-09-11 | 2023-11-03 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Pit-closing mine underground water pollution treatment equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117654137A (en) * | 2024-02-01 | 2024-03-08 | 德州欣宇电气自动化设备有限公司 | Filter for hydraulic engineering |
| CN117654137B (en) * | 2024-02-01 | 2024-04-30 | 德州欣宇电气自动化设备有限公司 | Filter for hydraulic engineering |
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| CN117282171B (en) | 2024-01-23 |
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