CN116272063A - Anti-blocking device and anti-blocking dredging method for cyclone - Google Patents
Anti-blocking device and anti-blocking dredging method for cyclone Download PDFInfo
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- CN116272063A CN116272063A CN202310126686.8A CN202310126686A CN116272063A CN 116272063 A CN116272063 A CN 116272063A CN 202310126686 A CN202310126686 A CN 202310126686A CN 116272063 A CN116272063 A CN 116272063A
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- filter screen
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- scraper blade
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 235000019738 Limestone Nutrition 0.000 claims abstract description 52
- 239000006028 limestone Substances 0.000 claims abstract description 52
- 239000002002 slurry Substances 0.000 claims abstract description 50
- 238000001914 filtration Methods 0.000 claims abstract description 45
- 239000011148 porous material Substances 0.000 claims abstract description 20
- 238000007790 scraping Methods 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 239000012535 impurity Substances 0.000 claims description 48
- 239000007788 liquid Substances 0.000 claims description 20
- 239000002893 slag Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000006477 desulfuration reaction Methods 0.000 abstract description 3
- 230000023556 desulfurization Effects 0.000 abstract description 3
- 239000003818 cinder Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 208000005156 Dehydration Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—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 multiple filtering elements, characterised by their mutual disposition
- B01D29/56—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 multiple filtering elements, characterised by their mutual disposition in series connection
-
- 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
- B01D29/03—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 self-supporting
-
- 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
-
- 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
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The utility model provides a swirler prevents stifled device and prevents stifled desilting method, current swirler is because frequent jam, and can not clear up automatically, leads to the power plant to stop operating and overhaul, seriously influences desulfurization system's safe and stable operation, simultaneously, maintenance also can consume a large amount of manpower and materials. The anti-blocking dredging method of the cyclone comprises the steps that limestone slurry flows in from a limestone slurry inlet, is filtered through a filter plate, and flows out from a limestone slurry outlet through a slurry passing port, and is characterized in that: the method comprises the steps of firstly filtering through the pore plates twice, triggering a travel switch after the pressure in a filter plate space at one side pushes the filter plate to move for a certain distance, enabling the scraping plate to clean deposited materials under the drive of the motor and the transmission mechanism, enabling the first filter plate to move towards the outlet side when the scraping plate passes through the cam, enabling a hole pin between the two filter plates to be inserted, cleaning deposited materials in the holes, enabling the scraping plate to leave the cam, resetting the first filter plate under the action of the spring, and enabling the scraping plate to return and perform secondary dredging. The invention is used for solving the problem that a limestone slurry filter screen is blocked in a power plant.
Description
Technical Field
The invention relates to the field of power generation, in particular to an anti-blocking device of a cyclone and an anti-blocking dredging method.
Background
The cyclone is widely used in various industries and is an important device for separating media, and is more indispensable in the limestone-gypsum wet flue gas desulfurization process of a power plant, and is mainly applied to the three aspects of limestone slurry preparation, gypsum primary dehydration and wastewater treatment, wherein the limestone and slurry contain wood blocks, rubber, hard stone blocks, cable skin, crystallized salt blocks and other impurities, although the cyclone is always blocked due to large particle screening, a cyclone inlet valve, a cyclone feed head (a flow passage is square, long and narrow), a cyclone sand settling nozzle and the like are arranged at the blocking position, the common point at the 3 points is the flow passage is narrow, the flow passage size of the cyclone feed head is minimum, the efficiency of the cyclone is affected when the cyclone is slightly blocked, the power generation work can not normally run when the cyclone is seriously blocked, and the cyclone has to be stopped for cleaning,
when high-load high sulfur divides, current swirler is because frequent jam, and can not clear up automatically, leads to the power plant to stop operating maintenance, seriously influences desulfurization system's safe and stable operation, simultaneously, maintenance also can consume a large amount of manpower and materials.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an anti-blocking device and an anti-blocking dredging method for a cyclone, which are provided with double filter screens, automatically remove impurities in and on filter holes, ensure the filtering effect and prevent the risks of influencing the efficiency and the shutdown of a generator.
The invention aims at realizing the following technical scheme:
the utility model provides a swirler prevents stifled device and prevents stifled desilting method, including limestone slurry flows in from limestone slurry import at first, filter through the filter plate, the limestone slurry after filtering flows out from limestone slurry export through the thick liquid mouth that crosses, at first carry out twice orifice plate filtration, trigger travel switch after the pressure in one side filter plate space promotes the filter plate and removes certain distance, the scraper blade is driven under motor and drive mechanism and is cleared up the siltation thing, the scraper blade is when the cam is passed through, drive the filter plate and remove to the export side, the hole round pin between two filter plates is pegged graft, clear away the siltation thing in the hole, the scraper blade leaves the cam after, the spring effect down, the return of filter plate, the scraper blade returns, desilting again.
The first filtration hole carries out the first filtration to the lime stone thick liquid, the impurity after filtering falls to the clear cinder notch of lower part in, no. two filtration holes carry out the secondary to the lime stone thick liquid and filter, the impurity after filtering falls to the clear cinder notch of lower part through impurity export in, when No. one filter screen plate is blockked up or impurity keeps off in No. one filter screen plate surface, the pressure that No. one filter hole bore becomes big, no. one filter screen plate can overcome the elasticity of spring and slide along lime stone thick liquid exit side this moment, drive the movable pin and slide together when No. filter screen plate slides, after movable pin baffle hits travel switch, the motor starts, the motor rotates and drives the lead screw and rotate, the lead screw rotates and drives the scraper blade and slide down along the guide arm, the scraper blade is first with the impurity on No. one filter screen plate surface down scraped, the impurity of scraping falls into clear cinder notch.
When the scraper blade moves to the lower part and runs into the cam, the scraper blade will push to limestone slurry outlet side, and No. one bolt inserts No. two filtration holes in the one-to-one respectively this moment, and No. two bolts insert No. one filtration hole in the one-to-one respectively, and No. one bolt and No. two bolts are with the impurity release in the partly No. one filtration hole and No. two filtration holes that are blocked up, after the scraper blade slides the cam, owing to clear away the jam, liquid begins to pass partial filter screen plate gradually for No. one filter screen plate pressurized chamber pressure reduces, no. one filter screen plate resets.
The scraper blade begins to return after the downstroke is finished, the cam is touched again to the scraper blade, filter screen plate surface cleaning once again is No. one to the filter screen plate and No. two filter holes are cleaned once again according to the above, during the scraper blade return stroke, the scraper blade is clean once again with No. one filter screen plate surface, no. one filter hole and No. two filter holes are inside thoroughly cleaned, because the plug has been clear away, liquid begins normally to pass filter screen plate pressurized chamber pressure and No. two filter holes for No. one filter screen plate pressure reduces, no. one filter screen plate resets under the spring effect, the movable pin resets, when needing to overhaul, open the access hole apron of upper portion, when needing to clear up impurity, open the clear cinder notch apron of lower part.
The cyclone anti-blocking device used in the cyclone anti-blocking dredging method comprises a box body, wherein a support is fixedly connected inside an inspection opening of the box body, a first filter screen plate and a second filter screen plate are arranged in the support, the first filter screen plate and the second filter screen plate are respectively and slidably connected with the support, a spring is arranged in the support, one side of the spring is propped against the first filter screen plate, the other side of the spring is propped against the second filter screen plate, the support is respectively connected with a guide rod and a lead screw, a scraping plate is arranged outside the guide rod and the lead screw, one side of the scraping plate is slidably connected with the guide rod, and the other side of the scraping plate is in threaded connection with the lead screw.
The anti-blocking device for the cyclone is characterized in that two symmetrical support grooves are formed in the upper side and the lower side of the support respectively, two symmetrical support shafts are arranged on the two sides of each support groove, springs are nested on the outer side of each support shaft, a first support frame which is vertically symmetrical is arranged on the left side of the support, the guide rod is rotationally connected to the first support frame, a second support frame which is vertically symmetrical is arranged on the right side of the support, and the screw rod is rotationally connected to the second support frame.
The anti-blocking device for the cyclone is characterized in that the first filter screen plate is provided with a first filter hole and a first bolt, the second filter screen plate is provided with a second filter hole and a second bolt, the first bolt is matched with the second filter hole, the first filter hole is matched with the second bolt, four corners of the first filter screen plate are respectively provided with a first guide hole, four corners of the second filter screen plate are respectively provided with a second guide hole, the first guide hole and the second guide hole are respectively connected with the support shaft, the upper portion of the first filter screen plate is provided with a groove, and one corner of the lower portion of the first filter screen plate is provided with a cam which is in sliding connection with the inner side of the scraper.
The cyclone anti-blocking device is characterized in that a scraper guide hole on the scraper is in sliding connection with a guide rod, the scraper passes through a screw hole screw rod, and the inner side of the scraper is matched with the groove.
The cyclone anti-blocking device comprises a cyclone anti-blocking device, wherein a limestone slurry inlet is formed in one side of a box body, a limestone slurry outlet is formed in the other side of the box body, a slag removing port is formed in the lower portion of the box body, the slag removing port is connected with a lower cover plate, an inspection port is formed in the box body, the inspection port is connected with an upper cover plate, a screw rod penetrates through a screw rod shaft hole of the box body, a motor is fixed on a motor plate, an output shaft of the motor is connected with the screw rod, a movable pin is connected in a movable pin hole in the side face of the box body, and the movable pin is a first filter screen plate.
The cyclone anti-blocking device is characterized in that the travel switch is fixedly connected with the side face of the box body, a movable pin baffle is arranged on one side of the movable pin, and the movable pin baffle is in contact with the travel switch.
Advantageous effects
The method comprises the steps of automatically cleaning through double filtration mixing, completing periodic unmanned automatic cleaning, filtering through a filter plate when limestone slurry flows in from a limestone slurry inlet, flowing out from a limestone slurry outlet through a slurry passing port, filtering through a two-time pore plate, triggering a travel switch after the pressure in a filter plate space at one side pushes the filter plate to move for a certain distance, driving a scraper to clean deposited materials under the drive of a motor and a transmission mechanism, driving a first filter plate to move towards the outlet side when the scraper passes through a cam, plugging hole pins between the two filter plates, cleaning deposited materials in holes, resetting the first filter plate under the action of a spring after the scraper leaves the cam, and carrying out return stroke of the scraper, and dredging again.
When the first filter plate is pressed, the pressure born by the first filter hole is increased when the first filter plate is blocked or impurities are blocked on the surface of the first filter plate, the first filter plate can slide along the outlet side of limestone slurry against the elastic force of the spring, the first filter plate drives the movable pin to slide together when the first filter plate slides, the movable pin baffle contacts the travel switch, the motor is started, the motor rotates to drive the screw rod to rotate, the screw rod rotates to drive the scraper to slide downwards along the guide rod, the scraper firstly scrapes the impurities on the surface of the first filter plate downwards, the scraped impurities fall into a slag removing port, when the scraper moves to the lower part and contacts the cam, the scraper is pushed to the outlet side of limestone slurry, at the moment, the first pins are respectively inserted into the second filter holes in a one-to-one correspondence manner, the second pins are respectively inserted into the first filter holes in a one-to-one correspondence manner, the first bolt and the second bolt push out the impurities in the partially blocked first filter hole and the second filter hole, when the scraper slides across the cam, the liquid starts to gradually pass through the partial filter screen plate due to the removal of the blocking matters, so that the pressure of the pressurized cavity of the first filter screen plate is reduced, the first filter screen plate is reset, the scraper returns after the downward stroke is finished, the scraper bumps against the cam again, the first filter hole and the second filter hole are cleaned once again according to the above, the scraper cleans the surface of the first filter screen plate once again when the scraper returns, the surface of the first filter screen plate, the inside of the first filter hole and the inside of the second filter hole are thoroughly cleaned, the liquid starts to normally pass through the first filter hole and the second filter hole due to the removal of the blocking matters, the pressure of the pressurized cavity of the first filter screen plate is reduced, the first filter screen plate is reset under the action of the spring, and the movable pin is reset when maintenance is needed, and when the upper access hole cover plate is opened and impurities need to be cleaned, the lower slag removal hole cover plate is opened. The invention adopts a pin structure, can push out the blocking object in the blocking hole, and can be stripped by the scraping plate, after the pins are separated, liquid is filtered from the hole, the pressure is reduced, and the automatic cleaning and automatic resetting are realized.
This device adopts two filter screens, can the automatically cleaning filter hole and No. two filter holes inside impurity and the impurity on a filter screen plate surface, guarantee the effect of filtering, travel switch automatic touch motor, the motor drives the scraper blade and scrapes along a filter screen plate surface, thoroughly clear away the impurity on a filter screen plate surface, can push a filter screen plate toward the limestone thick liquid export when the scraper blade removes the lower part, make a bolt both sides on a filter screen plate insert in No. two filter holes that the filter screen plate corresponds, no. two bolt both sides on the filter screen plate insert in No. one filter hole that the filter screen plate corresponds, no. one filter hole and No. two impurity in the filter screen plate are thoroughly cleared up.
Drawings
Fig. 1 is a schematic structural view of an anti-blocking device for a cyclone according to the present invention.
Fig. 2 is a schematic diagram of the internal structure of the anti-blocking device of the cyclone.
Fig. 3 is a schematic view of a bracket structure according to the present invention.
Fig. 4 is a schematic diagram of a first filter screen board structure according to the present invention.
Fig. 5 is a schematic diagram of a second filter screen board structure according to the present invention.
Description of the embodiments
The invention is described in further detail below with reference to the drawings and examples:
referring to fig. 01 and 02, an anti-blocking device for a cyclone and an operation method thereof, the anti-blocking device comprises a box body 110, a bracket 120, a first filter screen 1300, a second filter screen 1310, a movable pin 140, a scraper 150, a spring 160, a guide rod 170 and a screw 180, wherein the bracket 120 is fixedly connected to the inside of an inspection port 113 of the box body 110, the first filter screen 1300 and the second filter screen 1310 are respectively arranged on two sides of the inside of the bracket 120, the first filter screen 1300 and the second filter screen 1310 are respectively connected to the bracket 120 in a sliding manner, the spring 160 is respectively arranged on two sides of the bracket 120, one side of the spring 160 is propped against the first filter screen 1300, the other side of the spring 160 is propped against the second filter screen 1310, the guide rod 170 and the screw 180 are respectively arranged on the outer sides of two sides of the bracket 120, the guide rod 170 and the screw 180 are respectively connected to the bracket 120 in a rotating manner, the scraper 150 is arranged on the outer sides of the guide rod 170 and the screw 180, the guide rod 170 is connected with the screw 170 in a sliding manner, and the screw 180 is connected to the screw 180 in a threaded manner on the other side of the scraper 150.
Referring to fig. 03, the upper and lower sides of the bracket 120 are respectively provided with two symmetrical bracket grooves 121, two symmetrical bracket shafts 122 are respectively arranged on two sides of each bracket groove 121, a spring 160 is respectively sleeved on the outer side of each bracket shaft 122, two symmetrical bearing seats 126 are respectively arranged on the left side of the bracket 120, the guide rod 170 is rotationally connected with the bearing seats 126, two bearing seats 125 are respectively arranged on the right side of the bracket 120, the lead screw 180 is rotationally connected with the bearing seats 125, a slurry passing port 123 is arranged on the end surface of the bracket 120, and an impurity outlet 127 is arranged on the lower portion of the bracket 120.
Referring to fig. 04 and 05, the first filter screen plate 1300 has a set of first filter holes 1301 and a set of first pins 1305, the second filter screen plate 1310 has a set of second filter holes 1311 and a set of second filter holes 1311, the first pins 1305 and the second filter holes 1311 are matched, the first filter holes 1301 and the second pins 1315 are matched, the four corners of the first filter screen plate 1300 are respectively provided with a first guide hole 1304, the four corners of the second filter screen plate 1310 are respectively provided with a second guide hole 1314, the first guide holes 1304 and the second guide holes 1314 are respectively and slidably connected with the support shaft 122, the upper part of the first filter screen plate 1300 is provided with a groove 1302, the lower one corner of the first filter screen plate 1300 is provided with a cam 1303, and the cam 1303 is conditionally slidably connected with the inner side of the scraper 150.
Referring to fig. 05, one side of the scraper 150 is provided with a scraper guide hole 151, the scraper guide hole 151 is slidably connected with a guide rod 170, the other side of the scraper 150 is provided with a threaded hole 152, the threaded hole 152 is in threaded connection with a screw rod 180, and the inner side of the scraper 150 is matched with a groove 1302 of the scraper 130.
Referring to fig. 01, one side of the case 110 is provided with a limestone slurry inlet 111, the other side of the case 110 is provided with a limestone slurry outlet 112, the lower part of the case 110 is provided with a slag removing opening 114, the lower cover plate 210 is fixedly connected with the lower part of the slag removing opening 114, the upper part of the case 110 is provided with an inspection opening 113, the upper cover plate 190 is fixedly connected with the upper part of the inspection opening 113, the upper part of the case 110 is provided with a screw shaft hole 115, the upper part of the screw 180 passes through the screw shaft hole 115, one side of the screw shaft hole 115 is provided with a motor plate 117, the side surface of the motor plate 117 is fixedly connected with a motor 230, an output shaft of the motor 230 is fixedly connected with the upper part of the screw 180, the side surface of the case 110 is provided with a movable pin hole 116, the movable pin 140 is slidably connected with the movable pin hole 116, and the inner side of the movable pin 140 is fixedly connected with the side surface of the first filter screen 1300.
Referring to fig. 01, the travel switch 220 is fixedly connected to the side of the case 110, and a movable pin baffle 141 is provided on one side of the movable pin 140, and the movable pin baffle 141 is conditionally in contact with the travel switch 220.
When the device is used, the first filter hole 1301 leans against one side of the bracket 120 under the action of the spring 160, the first filter hole 1301 is at the limestone slurry inlet side, limestone slurry flows in from the limestone slurry inlet 111, the first filter hole 1301 filters the limestone slurry for the first time, filtered impurities fall into the slag removing port 114 at the lower part, the second filter hole 1311 filters the limestone slurry for the second time, filtered impurities fall into the slag removing port 114 at the lower part through the impurity outlet 127, and filtered limestone slurry flows out from the limestone slurry outlet 112 through the slurry passing port 123.
When the first filter screen 1300 is blocked or impurities are blocked on the surface of the first filter screen 1300, the pressure born by the first filter screen 1301 is increased, the first filter screen 1300 slides along the limestone slurry outlet 112 against the elasticity of the spring 160, the first filter screen 1300 slides together with the movable pin 140, after the movable pin baffle 141 touches the travel switch 220, the motor 230 is started, the motor 230 rotates to drive the screw 180 to rotate, the screw 180 rotates to drive the scraper 150 to slide downwards along the guide rod 170, the scraper 150 firstly scrapes the impurities on the surface of the first filter screen 1300 downwards, the scraped impurities fall into the slag cleaning port 114, when the scraper 150 moves to the lower part and touches the cam 1303, the scraper 150 pushes 130 to the limestone slurry outlet 112 side, the first pins 1305 are respectively inserted into the second filter holes 1311 and the second pins 1315 are respectively inserted into the first filter screen 1301 in a one-to-one correspondence manner, the first plug 1305 and the second plug 1315 push out the impurities in the partially blocked first filter hole 1301 and the second filter hole 1311, after the scraper 150 slides across the cam 1303, as the blocking object is removed, the liquid starts to gradually pass through the partial filter screen plate, so that the pressure of the pressurized cavity of the first filter screen plate 1300 is reduced, the first filter screen plate 1300 is reset, the scraper 150 starts to return after the end of the downward stroke, the scraper 150 again hits the cam 1303, the first filter screen plate 1301 and the second filter screen hole 1311 are cleaned once again as described above, the scraper 150 cleans the surface of the first filter screen plate 1300 once again when the scraper 150 returns, the surface of the first filter screen plate 1300, the inside of the first filter screen plate 1301 and the inside of the second filter screen hole 1311 are thoroughly cleaned, as the blocking object is removed, the liquid starts to normally pass through the first filter screen plate 1301 and the second filter screen plate 1311, so that the pressure of the pressurized cavity of the first filter screen plate 1300 is reduced, the first filter screen plate 1300 is reset under the action of the spring 160, the movable pin 140 is reset, when maintenance is needed, the upper maintenance hole cover plate is opened, and when impurities are needed to be cleaned, the lower slag hole cover plate is opened.
This device adopts two filter screens, can the inside impurity of filter screen 1301 and No. two filter holes 1311 and the impurity on filter screen 1300 surface, guaranteed the effect of filtering, travel switch 220 touches motor 230 automatically, motor 230 drives scraper blade 150 and scrapes along filter screen 1300 surface, thoroughly clear the impurity on filter screen 1300 surface, can promote filter screen 1300 board toward limestone thick liquid export 112 when scraper blade 150 moves to the lower part, make the bolt 1305 both sides on the filter screen 1300 insert No. two filter screen holes 1311 that filter screen 1310 correspond, insert the filter screen 1300 in No. one filter screen 1301 that corresponds of filter screen 1310 in No. two bolt 1315 both sides on the filter screen 1310, the impurity cup in No. one filter screen 1301 and No. two filter screen 1311 thoroughly clears up.
An anti-blocking device for a cyclone, comprising the following steps:
the first step, the filtration pore leans on support one side under the spring effect, the filtration pore is in limestone slurry import side, limestone slurry flows in from limestone slurry import, the filtration pore carries out the first filtration to limestone slurry, the impurity after the filtration falls into the slag notch of lower part, the filtration pore carries out the secondary filtration to limestone slurry, the impurity after the filtration falls into the slag notch of lower part through the impurity export, the limestone slurry after the filtration flows out from the limestone slurry export through the thick liquid mouth.
The second step, when a filter screen plate is blocked or impurity keeps off in a filter screen plate surface, the pressure that a filter hole bore grow, a filter screen plate can overcome the elasticity of spring and slide along going limestone thick liquid exit side this moment, drive the movable pin and slide together when a filter screen plate slides, after the movable pin baffle runs into travel switch, the motor starts, the motor rotates and drives the lead screw and rotate, the lead screw rotates and drives the scraper blade and slide down along the guide arm, the scraper blade is first with the impurity on a filter screen plate surface down scraping, the impurity of scraping falls into in the clear cinder notch.
Third step, when the scraper blade removes the lower part and runs into the cam, the scraper blade will push away to limestone thick liquid export side, no. one bolt inserts No. two filter holes in this moment respectively one-to-one correspondence, no. two bolts insert No. one filter screen surface once respectively, no. one bolt and No. two bolt are with the impurity in the partly filter hole of being blockked up and the No. two filter holes are released, after the scraper blade slides the cam, because the jam has been cleared away to the scraper blade, liquid begins to pass partial filter screen plate gradually, make No. one filter screen plate pressurized chamber pressure reduce, no. one filter screen plate resets, the scraper blade begins to return after the stroke down, the scraper blade runs back again into the cam, no. one filter screen plate surface is cleaned once again to No. one filter screen plate surface when the scraper blade returns, no. one filter screen plate surface this moment, no. one filter screen plate and No. two filter screen plate inside are thoroughly cleaned, because the jam has been cleared up, liquid begins normally to pass No. one filter screen plate pressurized chamber pressure reduces, no. one filter screen plate resets under the spring effect, the round pin resets.
And fourthly, when maintenance is needed, opening the upper maintenance hole cover plate, and when impurities are needed to be cleaned, opening the lower slag removal hole cover plate.
Claims (10)
1. The anti-blocking dredging method for the cyclone comprises the steps that limestone slurry flows in from a limestone slurry inlet, is filtered through a filter plate, and flows out from a limestone slurry outlet through a slurry passing port, and is characterized in that: the method comprises the steps of firstly filtering through the pore plates twice, triggering a travel switch after the pressure in a filter plate space at one side pushes the filter plate to move for a certain distance, enabling the scraping plate to clean deposited materials under the drive of the motor and the transmission mechanism, enabling the first filter plate to move towards the outlet side when the scraping plate passes through the cam, enabling a hole pin between the two filter plates to be inserted, cleaning deposited materials in the holes, enabling the scraping plate to leave the cam, resetting the first filter plate under the action of the spring, and enabling the scraping plate to return and perform secondary dredging.
2. The anti-blocking dredging method for the cyclone according to claim 1, wherein the anti-blocking dredging method is characterized by comprising the following steps: the two times of pore plate filtration, the first filtration pore carries out the first filtration on the limestone slurry, the filtered impurities fall into the slag removing opening at the lower part, the second filtration pore carries out the second filtration on the limestone slurry, the filtered impurities fall into the slag removing opening at the lower part through the impurity outlet, when the first filtration screen is blocked or the impurities are blocked on the surface of the first filtration screen, the pressure born by the first filtration pore becomes large, at this moment, the first filter screen plate can overcome the elasticity of the spring and slide along the limestone slurry outlet side, and when the first filter screen plate slides, the movable pin is driven to slide together, after the movable pin baffle touches the travel switch, the motor is started, the motor rotates to drive the screw rod to rotate, the screw rod rotates to drive the scraper blade to slide downwards along the guide rod, and the scraper blade firstly scrapes down the impurities on the surface of the first filter screen plate, and the scraped impurities fall into the slag notch.
3. The anti-blocking dredging method for the cyclone according to claim 1 or 2, wherein the anti-blocking dredging method is characterized by comprising the following steps of: when the scraping plate passes through the cam, the first filter plate is driven to move towards the outlet side, hole pins between the two filter plates are inserted, sediment in the holes is removed, when the scraping plate moves to the lower part and touches the cam, the scraping plate is pushed to the outlet side of limestone slurry, at the moment, the first pins are respectively inserted into the second filter holes in a one-to-one correspondence manner, the second pins are respectively inserted into the first filter holes in a one-to-one correspondence manner, the first pins and the second pins push out impurities in the partially blocked first filter holes and the second filter holes, after the scraping plate slides through the cam, liquid starts to gradually pass through the partial filter plates due to removal of the blockage, the pressure of the pressurized cavity of the first filter plate is reduced, and the first filter plates are reset.
4. A method for blocking prevention and dredging a cyclone according to claim 1, 2 or 3, wherein the method comprises the following steps: the scraper blade return stroke and carry out the back of beginning after the downstroke of secondary dredging scraper blade, the cam is touched again to the scraper blade, no. one filtration pore and No. two filtration pores are cleaned once more according to the above, during the scraper blade return stroke, the scraper blade is once more with No. one filtration pore plate surface cleaning, no. one filtration pore and No. two inside thoroughly clean of filtration pore at this moment, because the plug has been cleared away, liquid begins normally to pass No. one filtration pore and No. two filtration pore for No. one filtration pore plate pressurized chamber pressure reduces, no. one filtration pore plate resets under the spring effect, moves the round pin and resets, when needing to overhaul, open the access hole apron of upper portion, when needing to clear up impurity, open the slag hole apron of lower part.
5. A cyclone anti-blocking device for use in the cyclone anti-blocking dredging method of any one of claims 1 to 4, comprising a tank, characterized in that: the inspection port inside fixed connection support of box, be equipped with No. one and No. two filter screen boards in the support, no. one filter screen board, no. two filter screen boards sliding connection support respectively, be equipped with the spring in the support, spring one side supports No. one filter screen board, spring other one side supports No. two filter screen boards, the guide arm and the lead screw are connected respectively to the support, the scraper blade is equipped with in guide arm and the lead screw outside, scraper blade one side sliding connection guide arm, the screw thread connection lead screw on one side in addition of scraper blade.
6. The cyclone anti-blocking device according to claim 5, wherein: the support is characterized in that two symmetrical support grooves are formed in the upper side and the lower side of the support respectively, two symmetrical support shafts are arranged on the two sides of each support groove, springs are nested outside each support shaft, a first support frame which is symmetrical up and down is arranged on the left side of the support, the guide rod is rotationally connected to the first support frame, a second support frame which is symmetrical up and down is arranged on the right side of the support, and the screw rod is rotationally connected to the second support frame.
7. The cyclone anti-blocking device according to claim 5 or 6, characterized in that: the filter screen plate is provided with a filter hole and a plug pin, the plug pin is matched with the filter hole, the filter hole is matched with the plug pin, four corners of the filter screen plate are respectively provided with a guide hole, the guide holes and the guide holes are respectively connected with the support shaft, the upper part of the filter screen plate is provided with a groove, and one corner of the lower part of the filter screen plate is provided with a cam which is in sliding connection with the inner side of the scraper.
8. The cyclone anti-blocking device according to claim 5, 6 or 7, characterized in that: the scraper blade guiding hole on the scraper blade is connected with the guide rod in a sliding manner, the scraper blade is threaded through the threaded hole screw rod, and the inner side of the scraper blade is matched with the groove.
9. The cyclone anti-blocking device according to claim 5 or 6 or 7 or 8, characterized in that: the limestone slurry inlet is arranged on one side of the box body, the limestone slurry outlet is arranged on the other side of the box body, the slag removing opening is arranged on the lower part of the box body, the lower cover plate is connected with the slag removing opening, the box body is provided with an inspection opening, the upper cover plate is connected with the inspection opening, the screw rod is penetrated in the screw rod shaft hole of the box body, the motor is fixed on the motor plate, the motor output shaft is connected with the screw rod, the movable pin is connected in the movable pin hole on the side surface of the box body, and the movable pin is the first filter screen plate.
10. The cyclone anti-blocking device according to claim 5 or 6 or 7 or 8 or 9, characterized in that: the travel switch is fixedly connected with the side face of the box body, a movable pin baffle is arranged on one side of the movable pin, and the movable pin baffle is in contact with the travel switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310126686.8A CN116272063A (en) | 2023-02-17 | 2023-02-17 | Anti-blocking device and anti-blocking dredging method for cyclone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310126686.8A CN116272063A (en) | 2023-02-17 | 2023-02-17 | Anti-blocking device and anti-blocking dredging method for cyclone |
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| CN116272063A true CN116272063A (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310126686.8A Withdrawn CN116272063A (en) | 2023-02-17 | 2023-02-17 | Anti-blocking device and anti-blocking dredging method for cyclone |
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| CN (1) | CN116272063A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214297A (en) * | 2023-09-28 | 2023-12-12 | 江苏保利精工机电有限公司 | Ultrasonic eddy current automatic flaw detection system for seamless steel pipe |
| CN117443104A (en) * | 2023-12-21 | 2024-01-26 | 广州福麟环保科技有限公司 | Dry chemical filter |
-
2023
- 2023-02-17 CN CN202310126686.8A patent/CN116272063A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214297A (en) * | 2023-09-28 | 2023-12-12 | 江苏保利精工机电有限公司 | Ultrasonic eddy current automatic flaw detection system for seamless steel pipe |
| CN117443104A (en) * | 2023-12-21 | 2024-01-26 | 广州福麟环保科技有限公司 | Dry chemical filter |
| CN117443104B (en) * | 2023-12-21 | 2024-03-01 | 广州福麟环保科技有限公司 | Dry chemical filter |
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Application publication date: 20230623 |