CN111804031B - Pipeline type online slag discharge filter and sewage treatment equipment - Google Patents
Pipeline type online slag discharge filter and sewage treatment equipment Download PDFInfo
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- CN111804031B CN111804031B CN202010626940.7A CN202010626940A CN111804031B CN 111804031 B CN111804031 B CN 111804031B CN 202010626940 A CN202010626940 A CN 202010626940A CN 111804031 B CN111804031 B CN 111804031B
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- 239000002893 slag Substances 0.000 title claims abstract description 141
- 239000010865 sewage Substances 0.000 title claims abstract description 40
- 238000007790 scraping Methods 0.000 claims abstract description 90
- 238000007599 discharging Methods 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 21
- 239000013049 sediment Substances 0.000 claims description 16
- 239000010802 sludge Substances 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 10
- 238000004062 sedimentation Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 230000008054 signal transmission Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 239000012465 retentate Substances 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010924 continuous production Methods 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
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
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Classifications
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- 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
- B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- 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
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
-
- 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
- B01D29/6484—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 translatory 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a pipeline type online deslagging filter and sewage treatment equipment, belonging to the technical field of sewage treatment, and comprising a tank body, wherein a filter screen is arranged in the tank body; a slag outlet is arranged beside the filter screen, a slag discharging valve for controlling the opening and closing of a slag outlet channel is arranged at the slag outlet, a scraping disc is arranged on the filter screen, and the scraping disc is in sliding fit with the filter screen, so that the intercepted substances on the filter screen fall to the vicinity of the slag outlet after being pushed away from the filter screen; and sewage treatment equipment, which comprises a mixing tank and the pipeline type online deslagging filter. The invention can complete the treatment of large particles and strip-shaped impurities in the sewage under the conditions of normal production without stopping the whole process, thereby avoiding the blockage of the valve and the pump, ensuring the normal production, effectively reducing the loss of the sewage, having simple and flexible operation, effectively saving the labor time and reducing the labor intensity.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a pipeline type online deslagging filter and sewage treatment equipment.
Background
In sewage treatment plant production process, there is a large amount of mud to pass through pump and pipeline transport, because the big particulate matter that contains in the sewage is of a great variety, these large granule thing are got into in the mud finally and are got rid of, and when mud was carried, large granule thing such as rectangular form or specific gravity such as flocculent is close with water, can follow mud and flow together, causes valve and pump jam easily, so needs the filter of installation in the pipeline to filter big particulate matter.
However, the filters used at present can filter large particles, but they require periodic shut-down to clean the filter to ensure proper use of the filter and proper drainage. As for the basket filter mainly used at present, although the basket filter can filter out large particles, the trapped solid cannot be discharged in time after the large particles are trapped, the filter is easily blocked, the machine needs to be stopped for inspection immediately to clean filter residues on the filter, and therefore manpower and material resources are consumed, the production efficiency is influenced, and the service life of equipment is shortened or the equipment is damaged. Contain a large amount of small particles in mud in addition, like silt, can block up the bottom drain in filter bottom deposit, also make the bottom filter screen of vertical installation filter submerge in silt, lose filtering action, reduce filtration efficiency.
In addition, when the sewage is filtered and then is discharged through the filter residues, part of the sewage is discharged along with the filter residue discharge channel without being filtered, so that the loss of the sewage is caused and is irreparable.
Therefore, it is urgently needed to provide a technical scheme which can remove large-particle impurities and strips in sewage on line in the sewage treatment process, avoid the blockage of a valve and a pump and effectively reduce the sewage loss.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a pipeline type online deslagging filter which can online treat large particles and strip-shaped impurities in sewage without stopping the filter, so that the blockage of a valve and a pump is avoided, the production efficiency is guaranteed, and the loss of the sewage can be effectively reduced.
The second object of the present invention is to provide a sewage treatment apparatus, which has a function of on-line treating large particles and strip-shaped impurities in sewage and can effectively reduce the loss of sewage.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a sediment filter is arranged on line to pipeline formula which characterized in that: the filter comprises a tank body, wherein a filter screen is arranged in the tank body; the utility model discloses a filter screen, including filter screen, slag notch, scum hole, scraping plate and filter screen sliding fit, the filter screen next door is equipped with the slag notch, slag notch department is equipped with the slag-tap valve of control slag notch passageway switch, install the scraping plate on the filter screen, scraping plate and filter screen sliding fit for the entrapment thing on the filter screen is pushed away and falls near the slag notch behind the filter screen.
Further measures taken are: the scraping disc is connected with a power driving mechanism, and the power driving mechanism drives the scraping disc to slide on the filter screen in a reciprocating mode.
Further measures taken are: the tank body is provided with a control unit and a differential pressure gauge for measuring pressure generated by intercepted matters on the filter screen, the control unit is provided with a driving control module, the differential pressure gauge transmits pressure numerical values generated by the intercepted matters to the driving control unit in real time, the control unit receives and processes pressure numerical value signals and sends a starting driving command when the pressure numerical values reach a set pressure value, and the driving control module controls a power driving mechanism to drive a scraping disc to reciprocate to scrape away the intercepted matters.
Further measures taken are: still be equipped with slag discharge valve switch control module on the control unit, install on the slag discharge valve and scrape a set response piece and slag discharge valve switch control unit, scrape set response piece and sense when scraping the set and being close to signal transmission for the control unit, send the slag discharge valve after the signal that the control unit received, handled and scraped the set and be close to and open the order, slag discharge valve switch control module control slag discharge valve opens to sensing scraping the set and leaving the time with signal transmission for the control unit at scraping set response piece, the control unit receives, handles the signal that the scraping set was kept away from and sends the slag discharge valve and close the order, slag discharge valve switch control module control slag discharge valve closes.
Further measures taken are: the slag hole comprises a first slag hole and a second slag hole which are respectively arranged at the front side and the rear side of the tank body; and the first slag outlet and the second slag outlet are respectively and correspondingly provided with a first slag discharge valve and a second slag discharge valve.
Further measures taken are: the scraping disc comprises a first scraping plate and a second scraping plate which are fixedly connected, a hollow gap is formed between the first scraping plate and the second scraping plate, and the scraping disc is in sliding fit with the filter screen, so that the gap is opened or closed to be communicated with the outside.
Further measures taken are: the middle part of first scraper blade or second scraper blade is provided with the feed port, set up a plurality of intercommunication clearances and external discharge orifice on first scraper blade and the second scraper blade, the aperture of discharge orifice is less than the feed port to link up mud, and the separation large granule solid.
Further measures taken are: the scraping disc also comprises an impeller which is fixedly arranged between the first scraping plate and the second scraping plate so as to guide sludge to flow to the edge of the scraping disc.
Further measures taken are: the tank body is provided with a feed inlet and a discharge outlet, the feed inlet and the discharge outlet are separated by a filter screen arranged in the tank body, the feed inlet is arranged at the top of the rear side of the tank body, the discharge outlet is arranged at the bottom of the tank body, the direction of the feed channel corresponds to that of the discharge channel, the filter screen is cylindrical and is fixed in the tank body through a flange, a cavity is formed between the outer side of the filter screen and the tank body, and the cavity is communicated with the discharge outlet; the scraping disc is connected with a power driving mechanism, and the power driving mechanism is one of cylinder driving, oil cylinder driving or electric driving.
Further measures taken are: the slag hole comprises a first slag hole and a second slag hole which are respectively arranged at the front side and the rear side of the tank body; the first slag outlet and the second slag outlet are respectively and correspondingly provided with a first slag discharge valve and a second slag discharge valve, the tank body comprises a fixed part and a movable part which are assembled and connected, the filter screen, the feed inlet, the discharge outlet and the first slag outlet are arranged on the fixed part, the second slag outlet, the driving part and the scraping disc are arranged on the movable part, the fixed part and the movable part are detachably connected through bolts, and a sealing ring is arranged between the fixed part and the movable part; the jar body is equipped with the inlet pipe through the feed inlet intercommunication, the jar body is equipped with the discharging pipe through the discharge gate intercommunication, the inlet pipe is relative with the axis of discharging pipe, and with the axis of inlet pipe and discharging pipe sets up for scraping a set slant.
The utility model provides a sewage treatment device, includes mixing tank and foretell pipeline formula and arranges sediment filter on line, the pipeline formula is arranged on mixing tank front end's pipeline on arranging the sediment filter on line, mixing tank with discharge gate tube coupling.
The utility model provides a sewage treatment device, includes sedimentation tank, mixed pond, magnetic recovery unit and foretell pipeline formula on line arrange sediment filter, magnetic recovery unit, mixed pond and sedimentation tank connect gradually, the play liquid end of sedimentation tank with the online feed inlet intercommunication of arranging the sediment filter of pipeline formula, the online discharge gate of arranging the sediment filter of pipeline formula with magnetic recovery unit's feed liquor end intercommunication.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention can complete the treatment of large particles and strip-shaped impurities in the sewage under the conditions of normal production without stopping the machine in the whole process, thereby avoiding the blockage of the valve and the pump, ensuring the normal production and reducing the loss of the sewage.
(2) The invention has simple and flexible operation, effectively saves labor time and reduces labor intensity.
(3) The filter is simple in design, the filtering effect can be effectively guaranteed, and the service life of the filter is prolonged.
(4) The sewage treatment equipment disclosed by the invention can be used for treating large particles and strip-shaped impurities in sewage on line, protecting the filtering equipment and ensuring the normal operation of production.
Drawings
FIG. 1 is a schematic structural view of a residual discharge filter according to an embodiment of the present invention;
FIG. 2 is a schematic view of a scraper structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of an impeller structure according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of the residual slag filter of FIG. 1 according to the present invention;
fig. 5 is a schematic connection diagram of a control unit according to an embodiment of the present invention.
In the figure: 1. a tank body; 2. a feed inlet; 3. a discharge port; 4. a filter screen; 5. a slag outlet; 6. a scraping disc; 601. a first squeegee; 602. a second squeegee; 603. a gap; 604. an impeller; 605. a feed port; 7. and a power driving mechanism.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments. In the present specification, the terms "upper", "inner", "middle", "left", "right" and "one" are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship thereof may be made without substantial technical changes.
As shown in fig. 1, a pipeline type online deslagging filter comprises a tank body 1, wherein a filter screen 4 is arranged in the tank body 1; be equipped with slag notch 5 next to filter screen 4, 5 departments of slag notch are equipped with the slag valve of control slag notch passageway switch, and 4 inboard side-mounting of filter screen have a scraping plate 6, scraping plate 6 and 4 sliding fit of filter screen for the thing of holding back on the filter screen 4 is pushed away and falls near slag notch 5 behind the filter screen 4. Utilize filter screen 4 to filter big particulate matter and banded thing, the operator only needs to promote scraping plate 6 and slides from filter screen 4's surface, scrape away and hold back the thing, make holding back the thing on the filter screen 4 pushed away from filter screen 4, the operator opens the slag-discharging valve, the thing that holds back falls into near slag notch 5, discharge the mud sediment from slag notch 5 through the pressure in jar body 1, open and close through slag-discharging valve control 5 passageways of slag notch, avoid too much sewage not filter just from slag notch 5 discharge, loss sewage, and whole journey can not influence sewage filterable normal clear, also need not shut down, therefore, the steam generator is simple in operation, realize large granule and banded impurity in the on-line treatment sewage, avoid valve and pump to appear blockking up, can also ensure production efficiency.
As shown in fig. 1, the scraping disc 6 is connected with a power driving mechanism 7, the power driving mechanism 7 drives the scraping disc 6 to move towards the slag outlet 5, a control unit and a differential pressure gauge for measuring the pressure generated by the intercepted matters on the filter screen 4 are installed on the tank body 1, a driving control module is arranged on the control unit, the differential pressure gauge transmits the pressure value generated by the intercepted matters to the driving control unit in real time, the control unit receives and processes the pressure value signal and sends out a starting driving command when the pressure value reaches a set pressure value, and the driving control module controls the power driving mechanism 7 to drive the scraping disc 6 to reciprocate to scrape the intercepted matters. Move to slag notch 5 through 7 drive scraping discs 6 of power drive mechanism, the manpower operation has been saved, simultaneously the pressure signal of holding back the thing through the differential pressure gauge feedback, the control unit handles the signal and when reaching the pressure numerical value signal of setting for, the automatic thing of holding back on the filter screen 4 of the automatic clearance of drive control module control 7 drive scraping discs 6 of power drive mechanism, need not the manual work and clear up, the operator only need wait that the filter residue near slag notch 5 accumulates and opens the slag discharge valve when quantitative, make the filter residue can discharge the mud residue from slag notch 5 through the pressure in the jar body 1.
As shown in fig. 1 and 5, the control unit is further provided with a slag discharge valve switch control module, the slag discharge valve is provided with a scraping disc 6 sensing piece and a slag discharge valve switch control unit, the scraping disc 6 sensing piece senses that the scraping disc 6 is approaching, the control unit transmits a signal to the control unit, the control unit receives the signal, the slag discharge valve switch control module sends a slag discharge valve opening command after processing the signal that the scraping disc 6 approaches, the slag discharge valve switch control module controls the slag discharge valve to open, and transmits the signal to the control unit when the scraping disc 6 sensing piece senses that the scraping disc 6 leaves, the control unit receives the signal, the control unit processes the signal that the scraping disc 6 keeps away from and sends a slag discharge valve closing command, and the slag discharge valve switch control module controls the slag discharge valve to close. The signal transmission who is close to or leaves and handle through the response piece response of scraping plate 6 gives the control unit, and the control unit receives, correspondingly sends the slag discharging valve behind the processing signal and opens or close the order for slag discharging valve switch control module control slag discharging valve opens or closes, thereby need not manual operation slag discharging valve, can realize the automation of slag discharging valve and open and close, conveniently crosses the filter residue and discharges through slag notch 5 in real time.
As shown in fig. 1, the slag hole 5 comprises a first slag hole and a second slag hole which are respectively arranged at the front side and the rear side of the tank body 1; the first slag outlet and the second slag outlet are respectively and correspondingly provided with a first slag discharge valve and a second slag discharge valve, so that slag can be conveniently discharged from the front side and the rear side of the tank body 1, and the slag discharge is more convenient and thorough.
As shown in fig. 1-2, the scraping disc 6 comprises a first scraping plate 601 and a second scraping plate 602 which are fixedly connected, a hollow gap 603 is arranged between the first scraping plate 601 and the second scraping plate 602, and the scraping disc 6 is in sliding fit with the filter screen 4, so that the communication between the gap 603 and the outside is opened or closed, and slag can be conveniently discharged from the gap 603; the middle part of the first scraper 601 or the second scraper 602 is provided with a feeding hole 605, the first scraper 601 and the second scraper 602 are provided with a plurality of overflowing holes which are communicated with the gap 603 and the outside, and the aperture of the overflowing hole is smaller than that of the feeding hole 605 so as to penetrate through sludge and block large granular solids. Under the impact of water flow, large granular solids and ribbons can flow into the gap 603 through the feed holes 605, and the diameter of the overflowing holes is smaller than that of the feed holes 605, and the overflowing holes can ensure effective penetration of sludge and obstruct the passage of the large granular solids and the ribbons in relation to the size of the large granular solids and the ribbons, so that the large granular particles are discharged through the gap 603.
As shown in fig. 1-3, the scraping disc 6 further comprises an impeller 604, and the impeller 604 is fixedly arranged between the first scraping plate 601 and the second scraping plate 602 to guide the sludge to flow towards the edge of the scraping disc 6, so as to avoid the sludge from gathering in the middle and accelerate the filtration; the filter screen 4 is cylindrical and is fixed in the tank body 1 through a flange, a cavity is formed between the outer side of the filter screen 4 and the tank body 1, and the cavity is communicated with the discharge hole 3; the scraping disc 6 is connected with a power driving mechanism 7, and the power driving mechanism 7 is driven by a cylinder; jar body 1 includes assembly connection's fixed part and movable part, and filter screen 4, feed inlet 2, discharge gate 3, first slag notch set up on the fixed part, and second slag notch, driving piece and scraping plate 6 set up on the movable part, and the connection can be dismantled through the bolt to fixed part and movable part to be equipped with the sealing washer between fixed part and movable part. Pass through bolted connection through fixed part and movable part for dismantle behind the movable part, filter screen 4 and jar body 1 that need the clearance expose outside, realize carrying out the effect of quick convenient clearance to each part of jar body 1 in, and after the clearance, install and be equipped with the sealing washer between fixed part and the movable part, guarantee jar body 1's leakproofness.
As shown in figures 1 and 4, the tank body 1 is provided with a feeding pipe through a feeding hole 2 in a communicated manner, the tank body 1 is provided with a discharging pipe through a discharging hole 3 in a communicated manner, and the feeding pipe is opposite to the axis of the discharging pipe and is obliquely arranged relative to the scraping disc 6 relative to the axes of the feeding pipe and the discharging pipe. Be equipped with feed inlet 2 and discharge gate 3 on jar body 1, and separate feed inlet 2 and discharge gate 3 through filter screen 4 that sets up in jar body 1, feed inlet 2 sets up the top at jar body 1 rear side, discharge gate 3 sets up in jar body 1's bottom, and feedstock channel is corresponding with discharge channel's orientation, this design is retrencied, and adopt from jar body 1 top feeding, the pipeline layout mode of lower part ejection of compact, utilize water fall to filter fast and take away the tiny particle silt after the filtration, avoid the tiny particle deposit bottom the filter, block up the bottom drain, also avoided filter screen 4 to submerge in the silt, lose the filter action.
As shown in fig. 4, a sewage treatment device comprises a mixing tank and the pipeline type online slag discharging filter of the embodiment, wherein the pipeline type online slag discharging filter is arranged on a pipeline at the front end of the mixing tank, and the mixing tank is connected with a discharge port 3 through a pipeline, so that impurities with large granularity in sewage are removed in advance before the sewage enters the mixing tank to perform a coagulation process, and the effect of the coagulation process is enhanced.
As shown in fig. 4, a sewage treatment device, including the sedimentation tank, mix the pond, the online sediment filter of arranging of pipeline formula of magnetic recovery unit and above-mentioned embodiment, magnetic recovery unit, mix pond and sedimentation tank and connect gradually, the play liquid end of sedimentation tank and the online feed inlet 2 intercommunication of sediment filter of arranging of pipeline formula, the online discharge gate 3 of sediment filter of arranging of pipeline formula communicates with magnetic recovery unit's feed liquor end, thereby before the process of retrieving is carried out to the magnetic in the middle of the sewage treatment device, clear up the great impurity of granularity in the sewage in advance, reduce magnetic recovery unit c's broken time, reduce the degree of difficulty of magnetic recovery unit c to the magnetic screening, promote the efficiency of retrieving the magnetic.
When sludge on a conveying pipeline flows through the slag discharging filter of the embodiment, the sludge flows in from the upper part of the pipe body and flows out from the discharge hole 3 at the bottom of the tank body 1 through the filter screen 4 under the action of gravity, impurities such as large particles, ribbons and the like are intercepted in the filter screen 4, the pressure generated by the filter screen 4 is increased along with the increase of the intercepted substances, the pressure difference meter transmits the pressure value generated by the intercepted substances to the driving control unit in real time, the control unit receives and processes the pressure value signal and sends out a starting driving command when the pressure value reaches a set pressure value, the driving control module controls the driving mechanism 7 to drive the scraping disc 6 to move towards the slag hole 5, when the scraping disc 6 is positioned at the front side of the tank body 1, the scraping disc 6 comprises the first scraping plate 601 and the second scraping plate 602 to move towards the first slag hole at the rear side of the tank body 1 together, and when the sludge flows in, under the impact of water flow, large-particle solids and ribbons flow into the gap 603 through the feed holes 605 on the scraping disc 6, while the overflowing holes penetrate through the sludge and block the large particles from passing through, so that the large-particle solids are left in the gap 603, and the impeller 604 guides the sludge to flow towards the edge of the scraping disc 6, thereby avoiding the sludge from being accumulated in the middle.
When first scraper blade 601 and second scraper blade 602 roll-off filter screen 4 reach first slag notch department, the signal transmission that the scraping plate 6 response piece sensed scraping plate 6 and was close to and handle gives the control unit, the control unit receives, correspondingly send the order that the slag discharging valve opened behind the processing signal, the first slag discharging valve of slag discharging valve switch control module control is opened, first slag discharging valve opens, the retentate on the filter screen is released near filter screen 4 falls to first slag notch, and clearance 603 bottom does not have blockking of filter screen 4, the large granule retentate in clearance 603 also falls into near slag notch 5 along with the action of gravity, at last the retentate is discharged from slag notch 5 through the pressure in the jar body 1, and discharge through first slag notch. And then the scraping disc 6 moves back under the driving of the driving mechanism, the sensing piece of the scraping disc 6 senses that the scraping disc 6 leaves and transmits a signal to the control unit, the control unit correspondingly sends a closing command of the slag discharging valve after receiving and processing the signal, and the slag discharging valve switch control module controls the first slag discharging valve to be closed and the first slag discharging valve to be closed.
Similarly, the frizing 6 is down to the motion of back to second slag notch department under actuating mechanism's drive, push away the second slag notch department with the interception thing in filter screen 4 and the clearance 603, the frizing 6 response piece senses that frizing 6 is close to and the signal transmission who gives the control unit, the control unit receives, correspondingly send the order that the slag valve opened behind the processing signal, slag valve switch control module control second slag valve opens, the second slag valve is opened, the interception thing on the filter screen is released filter screen 4 and is fallen to second slag notch department, and clearance 603 bottom does not have blockking of filter screen 4, the large granule interception thing in the clearance 603 also falls into slag notch 5 department along with the action of gravity, discharge the mud sediment from slag notch 5 through the pressure in the jar body 1 at last, accomplish the reciprocating motion of a cycle and arrange sediment so. And then waiting for the next time when the signal of the differential pressure gauge reaches the set value, and carrying out the reciprocating deslagging motion of the next period. The large particles and the strips in the sludge are automatically treated in a circulating manner, the middle part does not need to be stopped, the normal and continuous production operation is ensured, the blockage of a valve and a pump can be avoided, the service life of equipment is protected, the influence on the production is reduced to the greatest extent, and the labor loss is reduced; and through the reciprocating action of the scraping disc 6, the trapped objects are completely cleaned from the filter screen, the optimal working state of the filter screen can be kept, and the filtering efficiency is guaranteed.
The embodiments of the present invention are not limited thereto, and according to the above-mentioned contents of the present invention, the present invention can be modified, substituted or combined in other various forms without departing from the basic technical idea of the present invention.
Claims (8)
1. The utility model provides a sediment filter is arranged on line to pipeline formula which characterized in that: the filter comprises a tank body, wherein a filter screen is arranged in the tank body; a slag outlet is arranged beside the filter screen, a slag discharging valve for controlling the opening and closing of a slag outlet channel is arranged at the slag outlet, a scraping disc is arranged on the filter screen, and the scraping disc is in sliding fit with the filter screen, so that the intercepted substances on the filter screen fall to the vicinity of the slag outlet after being pushed away from the filter screen;
the scraping disc comprises a first scraping plate and a second scraping plate which are fixedly connected, a hollow gap is formed between the first scraping plate and the second scraping plate, and the scraping disc is in sliding fit with the filter screen, so that the gap is opened or closed to be communicated with the outside;
the middle part of the first scraper blade or the second scraper blade is provided with a feed port, a plurality of communicating gaps and external overflowing holes are formed in the first scraper blade and the second scraper blade, and the aperture of the overflowing holes is smaller than that of the feed port so as to penetrate through sludge and separate large-particle solids.
2. The pipeline type online deslagging filter of claim 1, wherein: the scraping disc is connected with a power driving mechanism, and the power driving mechanism drives the scraping disc to slide on the filter screen in a reciprocating mode.
3. The pipeline type online deslagging filter of claim 2, wherein: the tank body is provided with a control unit and a differential pressure gauge for measuring pressure generated by intercepted matters on the filter screen, the control unit is provided with a driving control module, the differential pressure gauge transmits pressure numerical values generated by the intercepted matters to the driving control unit in real time, the control unit receives and processes pressure numerical value signals and sends a starting driving command when the pressure numerical values reach a set pressure value, and the driving control module controls a power driving mechanism to drive a scraping disc to reciprocate to scrape away the intercepted matters.
4. The pipeline on-line deslagging filter of claim 3, wherein: still be equipped with slag discharge valve switch control module on the control unit, install on the slag discharge valve and scrape a set response piece and slag discharge valve switch control unit, scrape set response piece and sense when scraping the set and being close to signal transmission for the control unit, send the slag discharge valve after the signal that the control unit received, handled and scraped the set and be close to and open the order, slag discharge valve switch control module control slag discharge valve opens to sensing scraping the set and leaving the time with signal transmission for the control unit at scraping set response piece, the control unit receives, handles the signal that the scraping set was kept away from and sends the slag discharge valve and close the order, slag discharge valve switch control module control slag discharge valve closes.
5. The pipeline type online deslagging filter of claim 1, wherein: the slag hole comprises a first slag hole and a second slag hole which are respectively arranged at the front side and the rear side of the tank body; and the first slag outlet and the second slag outlet are respectively and correspondingly provided with a first slag discharge valve and a second slag discharge valve.
6. The inline residue extraction filter as set forth in any one of claims 1 to 5, wherein: the tank body is provided with a feed inlet and a discharge outlet, the feed inlet and the discharge outlet are separated by a filter screen arranged in the tank body, the feed inlet is arranged at the top of the rear side of the tank body, the discharge outlet is arranged at the bottom of the tank body, the direction of a feed channel corresponds to that of a discharge channel, the filter screen is cylindrical and is fixed in the tank body through a flange, a cavity is formed between the outer side of the filter screen and the tank body, and the cavity is communicated with the discharge outlet; the scraping disc also comprises an impeller which is fixedly arranged between the first scraping plate and the second scraping plate so as to guide sludge to flow to the edge of the scraping disc; the scraping disc is connected with a power driving mechanism, and the power driving mechanism is one of cylinder driving, oil cylinder driving or electric driving; the slag hole comprises a first slag hole and a second slag hole which are respectively arranged at the front side and the rear side of the tank body; the first slag outlet and the second slag outlet are respectively and correspondingly provided with a first slag discharge valve and a second slag discharge valve, the tank body comprises a fixed part and a movable part which are assembled and connected, the filter screen, the feed inlet, the discharge outlet and the first slag outlet are arranged on the fixed part, the second slag outlet, the driving part and the scraping disc are arranged on the movable part, the fixed part and the movable part are detachably connected through bolts, and a sealing ring is arranged between the fixed part and the movable part; the jar body is equipped with the inlet pipe through the feed inlet intercommunication, the jar body is equipped with the discharging pipe through the discharge gate intercommunication, the inlet pipe is relative with the axis of discharging pipe, and with the axis of inlet pipe and discharging pipe sets up for scraping a set slant.
7. A sewage treatment device is characterized in that: the pipeline type online slag discharging filter comprises a mixing tank and the pipeline type online slag discharging filter as claimed in claim 6, wherein the pipeline type online slag discharging filter is arranged on a pipeline at the front end of the mixing tank, and the mixing tank is connected with a discharge port pipeline.
8. A sewage treatment device is characterized in that: including sedimentation tank, mixing tank, magnetic recovery unit and claim 1 to 6 any one the pipeline formula of online sediment filter, magnetic recovery unit, mixing tank and sedimentation tank connect gradually, the play liquid end of sedimentation tank with the feed inlet intercommunication of the online sediment filter of pipeline formula, the discharge gate of the online sediment filter of pipeline formula with magnetic recovery unit's inlet end intercommunication.
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