CN114653157A - Waste gas treatment device of thermal power factory - Google Patents
Waste gas treatment device of thermal power factory Download PDFInfo
- Publication number
- CN114653157A CN114653157A CN202210278097.7A CN202210278097A CN114653157A CN 114653157 A CN114653157 A CN 114653157A CN 202210278097 A CN202210278097 A CN 202210278097A CN 114653157 A CN114653157 A CN 114653157A
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- China
- Prior art keywords
- gas treatment
- treatment tank
- waste gas
- fixedly connected
- exhaust
- Prior art date
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- 239000002912 waste gas Substances 0.000 title claims abstract description 71
- 239000007789 gas Substances 0.000 claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims description 46
- 239000002893 slag Substances 0.000 claims description 7
- 239000002910 solid waste Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 13
- 239000002699 waste material Substances 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 239000008213 purified water Substances 0.000 description 11
- 239000011324 bead Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000013049 sediment Substances 0.000 description 6
- 239000008394 flocculating agent Substances 0.000 description 5
- 238000005189 flocculation Methods 0.000 description 5
- 230000016615 flocculation Effects 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/015—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements
- B01D33/0158—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/37—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
Abstract
The invention provides a waste gas treatment device of a thermal power plant, belonging to the technical field of waste gas treatment; including the exhaust-gas treatment jar, the motor is installed on the top of exhaust-gas treatment jar, the inside of exhaust-gas treatment jar is provided with the baffle, the inside of baffle corresponds the axis position department of exhaust-gas treatment jar is provided with the pivot. According to the invention, the inner part of the waste gas treatment tank is set into the U-shaped airflow channel through the partition plate, so that waste gas firstly descends and is physically filtered after entering the waste gas treatment tank, then the waste gas is introduced to the bottom of the waste gas treatment tank for chemical filtration, ascends after being filtered and is discharged from the air outlet to finish waste gas treatment.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment device of a thermal power plant.
Background
Thermal power generation utilizes fuel combustion to heat water to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives a generator to rotate, and the mechanical energy is converted into electric energy.
Thermal power factory can produce a large amount of waste gases when generating electricity, has many harmful substance and particulate matter in these waste gases, can cause huge pollution in the direct discharge air, endangers people's health, and the waste gas that consequently current thermal power produced filters through the filter equipment before discharging most earlier, then the rethread chemical handles.
The filter screen structure that current filter equipment used does not have self-cleaning structure mostly, the filter screen easily blocks up, easily reduce filter screen filtration efficiency, the influence is used, and chemical treatment lets in waste gas most has the purification aquatic of flocculating agent to carry out purification treatment, nevertheless need frequently change the purified water and add the flocculating agent in the course of the treatment, it is loaded down with trivial details to work, labor cost has been increased, and waste water resource, be unfavorable for the environmental protection, the cost output of enterprise has been increased, therefore, this application provides a waste gas treatment device of thermal power factory and satisfies the demand.
Disclosure of Invention
The invention aims to solve the technical problems that an existing filter screen is easy to block, low in filtering efficiency, complex in work and water resource waste due to the fact that purified water needs to be frequently replaced and a flocculating agent needs to be frequently added.
In order to solve the technical problems, the invention provides the following technical scheme:
a waste gas treatment device of a thermal power plant comprises a waste gas treatment tank, wherein a motor is installed at the top end of the waste gas treatment tank, a partition plate is arranged inside the waste gas treatment tank, a rotating shaft is arranged in the partition plate corresponding to the axis position of the waste gas treatment tank, and the output end of the motor penetrates through the top end of the waste gas treatment tank and is fixedly connected with the rotating shaft; the inside of exhaust-gas treatment jar is provided with first clearance unit, the bottom of exhaust-gas treatment jar is provided with second clearance unit, the second clearance unit passes through the pivot with the linkage of first clearance unit, first clearance unit is used for clearing up the solid waste of physical filtration upper assembling, the solid waste that the second clearance unit is used for clearing up the production of physics filtration.
Preferably, first cleaning element includes the filter screen, the filter screen install in the inside of exhaust-gas treatment jar, correspond in the pivot the first band pulley of top fixedly connected with of filter screen, the sediment cover is arranged to fixedly connected with on the exhaust-gas treatment jar outer wall, the inside of arranging the sediment cover is provided with the second band pulley, first band pulley with the tensioning has same conveyer belt on the second band pulley, the last cleaning brush that is provided with of conveyer belt.
Preferably, the second cleaning unit comprises a first bevel gear fixedly connected to one end of the rotating shaft, one end of the rotating shaft is provided with a first mounting plate close to one side of the first bevel gear, the first mounting plate is symmetrically and rotatably connected with a first reciprocating screw rod, one end of the first reciprocating screw rod close to one side of the first bevel gear is fixedly connected with a second bevel gear, the first bevel gear is meshed with the second bevel gear, one side of the bottom end of the waste gas treatment tank is provided with a first exhaust pipe, a second exhaust pipe is arranged on the other side of the bottom end of the waste gas treatment tank, a second mounting plate is arranged at one end of the first reciprocating screw rod, and the two second mounting plates are respectively fixedly connected with the outer walls of the first exhaust pipe and the second exhaust pipe, and a collecting box is arranged at a position between the first exhaust pipe and the second exhaust pipe.
Preferably, the bottom of exhaust-gas treatment jar is provided with handles the case, just the output fixed connection of first blast pipe in handle on the one side outer wall of case, the input fixed connection of second blast pipe in handle on the opposite side outer wall of case.
Preferably, the reciprocal lead screw of one end fixedly connected with second of pivot, just the one end of the reciprocal lead screw of second is passed the collecting box is pegged graft in the inside of handling the case, threaded connection has the nut on the reciprocal lead screw of second, fixedly connected with third mounting panel on the nut, the last symmetrical rotation of third mounting panel is connected with the filter, the inside telescopic link that all is provided with in both sides of filter, the spacing pearl of one end fixedly connected with of telescopic link, first spacing groove and second spacing groove have been seted up on the third mounting panel respectively, just spacing pearl be restricted in the first spacing groove, correspond on the third mounting panel first spacing groove with the guide way has been seted up to position department between the second spacing groove.
Preferably, a first scraper is arranged in the deslagging cover and below the cleaning brush.
Preferably, the first mounting panel with position department between the second mounting panel is provided with the guide bar, threaded connection has the second scraper blade on the first reciprocal lead screw, just the second scraper blade sliding connection in on the guide bar.
Preferably, one end of the second reciprocating screw rod corresponds to the inner part of the treatment box and is fixedly connected with a stirring rod.
Preferably, the inside of the treatment box is provided with four limiting shafts corresponding to the lower parts of the filter plates.
Preferably, the top of exhaust-gas treatment jar is provided with air inlet and gas outlet respectively, the bottom of exhaust-gas treatment jar is provided with the supporting leg.
Compared with the prior art, the invention at least has the following beneficial effects:
in the scheme, the inside of the waste gas treatment tank is provided with the U-shaped airflow channel through the partition plate, so that waste gas firstly descends and is physically filtered after entering the waste gas treatment tank, then the waste gas is introduced to the bottom of the waste gas treatment tank to be chemically filtered, ascends after being filtered and is discharged from the gas outlet to finish waste gas treatment, and partial waste residues carried in the waste gas can be removed through gravity in a circulation mode that the waste gas descends and then ascends, so that the waste gas treatment is facilitated;
after waste gas enters from an air inlet of the waste gas treatment tank, the waste gas is filtered through the filter screen, when more waste residues are accumulated on the filter screen, the rotating shaft is driven to rotate through the motor, the first belt wheel is driven to rotate through the rotating shaft, the conveying belt is driven to transmit through the matching of the first belt wheel and the second belt wheel, the cleaning brush is driven to move through the conveying belt, so that the cleaning brush cleans the filter screen, the filter screen is prevented from being blocked, the filtering effect of the filter screen is improved, the waste residues are carried into the residue discharging cover through the cleaning brush and are cleaned through the first scraper blade along with the movement of the cleaning brush, the waste residues attached to the cleaning brush are led out of the residue discharging cover, the cleaning brush can conveniently and continuously clean the filter screen, and the filtering effect of the filter screen is further improved;
the rotating shaft is driven to rotate by the motor, the second reciprocating screw rod is driven to rotate, the filter plate is driven to lift by the second reciprocating screw rod, when the filter plate is contacted with the treatment box, because the two sides of the top end of the treatment box are arranged in an inward inclination manner, the filter plate is limited by the inner walls of the two sides of the treatment box arranged in an inclination manner along with the lifting of the filter plate, the filter plate is driven to rotate, so that the limiting beads are separated from the first limiting groove, the limiting beads are limited in the second limiting groove under the action of the guide groove, the filter plate is driven to rotate to a fixed angle, the filter plate is driven to continuously lift along with the lifting of the filter plate, when the filter plate moves to the topmost end, the filter plate is driven to descend by the arrangement of the second reciprocating screw rod, meanwhile, along with the rotation of the rotating shaft, the first helical gear is driven to rotate, and the two second helical gears are driven to rotate by the first helical gear, the second helical gear drives the two first reciprocating screw rods to rotate, the second scraper is driven to move from one side close to the first helical gear to one side of the second mounting plate through the cooperation of the first reciprocating screw rods and the guide rod, the second scraper is always in contact with the filter plate along with the descending of the filter plate, the filter plate is cleaned, the cleaned waste residues are guided into the collection box, the filter plate is driven to rotate along with the continuous descending of the filter plate through the arrangement of the limiting shaft, so that the limiting beads are separated from the second limiting grooves and are limited in the first limiting grooves through the guide grooves, the filter plates on two sides are horizontally arranged at the moment, the purified water in the treatment box can be filtered by the next ascending of the filter plate, the purified water in the treatment box is filtered through the vertical reciprocating motion of the filter plate, flocs in the purified water are reduced, and the chemical filtering efficiency of the purified water on waste gas is further improved, reduce water wasting of resources, be convenient for last flocculation work to carry out automatic clearance to the filter through the second scraper blade, the filter of being convenient for lasts and carries out filtering work to the purified water who handles the incasement, has further improved the treatment effeciency to waste gas.
Drawings
FIG. 1 is a schematic perspective view of an exhaust gas treatment apparatus of a thermal power plant;
FIG. 2 is a front view of a sectional structure of a waste gas treatment device of a thermal power plant;
FIG. 3 is an enlarged view of the structure of the area A in FIG. 2;
FIG. 4 is an enlarged view of the area B in FIG. 2;
FIG. 5 is a schematic perspective view of a first cleaning unit;
FIG. 6 is a schematic perspective view of a second cleaning unit;
FIG. 7 is an enlarged perspective view of the filter plate;
fig. 8 is an enlarged perspective view of the third mounting plate.
[ reference numerals ]
1. A first cleaning unit; 2. a second cleaning unit; 3. a motor; 4. a partition plate; 5. a rotating shaft; 6. a filter screen; 7. a first pulley; 8. a slag discharge cover; 9. a second pulley; 10. a conveyor belt; 11. a cleaning brush; 12. a first squeegee; 13. a first exhaust pipe; 14. a second exhaust pipe; 15. a first helical gear; 16. a first mounting plate; 17. a second helical gear; 18. a first reciprocating screw rod; 19. a second mounting plate; 20. a guide bar; 21. a second squeegee; 22. a collection box; 23. a second reciprocating screw rod; 24. a treatment tank; 25. a nut; 26. a third mounting plate; 27. a filter plate; 28. a limiting bead; 29. a first limit groove; 30. a second limit groove; 31. and a limiting shaft.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, an embodiment of the present invention provides an exhaust gas treatment device of a thermal power plant, including an exhaust gas treatment tank, an air inlet and an air outlet are respectively arranged at the top end of the exhaust gas treatment tank, a support leg is arranged at the bottom end of the exhaust gas treatment tank, a motor 3 is installed at the top end of the exhaust gas treatment tank, a partition plate 4 is arranged inside the exhaust gas treatment tank, a rotating shaft 5 is arranged at a position inside the partition plate 4 corresponding to the axis of the exhaust gas treatment tank, and the output end of the motor 3 penetrates through the top end of the exhaust gas treatment tank and is fixedly connected with the rotating shaft 5; the inside of the waste gas treatment tank is provided with a first cleaning unit 1, the bottom end of the waste gas treatment tank is provided with a second cleaning unit 2, the second cleaning unit 2 is linked with the first cleaning unit 1 through a rotating shaft 5, the first cleaning unit 1 is used for cleaning solid waste gathered on a physical filtering structure, the second cleaning unit 2 is used for cleaning solid waste generated by a chemical filtering structure, the inside of the waste gas treatment tank is arranged into a U-shaped airflow channel through a partition plate 4, waste gas descends and is physically filtered after entering the waste gas treatment tank, then the waste gas is introduced to the bottom of the waste gas treatment tank for chemical filtering, the waste gas rises after being filtered and is discharged from an air outlet, the waste gas treatment work is completed, meanwhile, in the waste gas treatment process, the physical filtering structure is cleaned through the first cleaning unit 1, the physical filtering structure is prevented from being blocked, and the filtering effect is further improved, clear up the waste residue that produces chemical filtration through second cleaning unit 2 to discharge the waste residue after clearing up, do benefit to subsequent chemical filtration work, further improvement the filter effect.
As shown in fig. 2, 3 and 5, the first cleaning unit 1 includes a filter screen 6, the filter screen 6 is installed inside the exhaust gas treatment tank, a first pulley 7 is fixedly connected to the upper portion of the rotating shaft 5 corresponding to the filter screen 6, a slag discharge cover 8 is fixedly connected to the outer wall of the exhaust gas treatment tank, a second pulley 9 is arranged inside the slag discharge cover 8, the same conveying belt 10 is tensioned on the first pulley 7 and the second pulley 9, a cleaning brush 11 is arranged on the conveying belt 10, a first scraper 12 is arranged inside the slag discharge cover 8 corresponding to the lower portion of the cleaning brush 11, after entering from the air inlet of the exhaust gas treatment tank, the exhaust gas is filtered by the filter screen 6, when more waste slag is accumulated on the filter screen 6, the rotating shaft 5 is driven to rotate by the motor 3, the first pulley 7 is driven to rotate by the rotating shaft 5, the conveying belt 10 is driven to transmit by the cooperation of the first pulley 7 and the second pulley 9, through conveyer 10, drive cleaning brush 11 and remove, make cleaning brush 11 clear up filter screen 6, the filter effect of filter screen 6 has been improved, carry the waste residue through cleaning brush 11 in arranging sediment cover 8, and along with cleaning brush 11's removal, it clears up adnexed waste residue on cleaning brush 11 through first scraper blade 12, it derives from arranging sediment cover 8 to make the waste residue, the cleaning brush 11 of being convenient for lasts and clears up filter screen 6, the filter effect of filter screen 6 has further been improved.
As shown in fig. 2, 4, 6, 7 and 8, one end of the rotation shaft 5 is fixedly connected with a second reciprocating screw rod 23, one end of the second reciprocating screw 23 penetrates through the collecting box 22 and is inserted into the treatment box 24, a screw cap 25 is connected on the second reciprocating screw 23 in a threaded manner, a third mounting plate 26 is fixedly connected on the screw cap 25, a filter plate 27 is symmetrically and rotatably connected on the third mounting plate 26, telescopic rods are arranged inside two sides of the filter plate 27, one end of each telescopic rod is fixedly connected with a limiting ball 28, a first limiting groove 29 and a second limiting groove 30 are respectively arranged on the third mounting plate 26, and the limiting ball 28 is limited in the first limiting groove 29, a guide groove is arranged on the third mounting plate 26 corresponding to the position between the first limiting groove 29 and the second limiting groove 30, and one end of the second reciprocating screw 23 is fixedly connected with a stirring rod corresponding to the inside of the processing box 24.
Drive pivot 5 through motor 3 and rotate, it rotates to drive the reciprocal lead screw 23 of second through pivot 5, drive nut 25 reciprocating motion through the reciprocal lead screw 23 of second, drive the reciprocal lift of filter 27 on the third mounting panel 26 through nut 25, when waste gas gets into and handles the incasement 24, be provided with the flocculating agent in the case 24 of handling, carry out flocculation reaction through flocculating agent and waste gas, along with the rising of filter 27, filter case 24 of handling through filter 27, the realization is filtered the purified water in the case 24 of handling, reduce water waste, can realize lasting flocculation work.
As shown in fig. 2, 4, 6, 7 and 8, the second cleaning unit 2 comprises a first bevel gear 15, the first bevel gear 15 is fixedly connected to one end of a rotating shaft 5, one side of one end of the rotating shaft 5, which is close to the first bevel gear 15, is provided with a first mounting plate 16, the first mounting plate 16 is symmetrically and rotatably connected with a first reciprocating screw 18, one side of one end of the first reciprocating screw 18, which is close to the first bevel gear 15, is fixedly connected with a second bevel gear 17, the first bevel gear 15 is engaged with the second bevel gear 17, one side of the bottom end of the exhaust gas treatment tank is provided with a first exhaust pipe 13, the other side of the bottom end of the exhaust gas treatment tank is provided with a second exhaust pipe 14, one end of the first reciprocating screw 18 is provided with a second mounting plate 19, the two second mounting plates 19 are fixedly connected to the outer walls of the first exhaust pipe 13 and the second exhaust pipe 14 respectively, a collection box 22 is arranged between the first exhaust pipe 13 and the second exhaust pipe 14, the bottom of exhaust-gas treatment jar is provided with handles case 24, and the output fixed connection of first blast pipe 13 is on the outer wall of one side of handling case 24, and the input fixed connection of second blast pipe 14 is on the opposite side outer wall of handling case 24, position department between first mounting panel 16 and the second mounting panel 19 is provided with guide bar 20, and threaded connection has second scraper blade 21 on the first reciprocal lead screw 18, and second scraper blade 21 sliding connection is on guide bar 20, the inside below that corresponds filter 27 of handling case 24 is provided with spacing axle 31, and the quantity of spacing axle 31 is four.
Along with the rotation of the rotating shaft 5, the second reciprocating screw rod 23 is driven to rotate, the filter plate 27 is driven to lift through the second reciprocating screw rod 23, along with the rising of the filter plate 27, when the filter plate 27 is in contact with the treatment box 24, the two sides of the top end of the treatment box 24 are arranged in an inward inclined manner, along with the rising of the filter plate 27, the filter plate 27 is limited by the inner walls of the two sides of the treatment box 24 which are arranged in an inclined manner, so that the filter plate 27 rotates, further the limiting bead 28 is separated from the first limiting groove 29, the limiting bead 28 is limited in the second limiting groove 30 under the action of the guide groove, further the filter plate 27 rotates to a fixed angle, along with the continuous rising of the filter plate 27, when the filter plate 27 moves to the top end, the filter plate 27 descends through the arrangement of the second reciprocating screw rod 23, and simultaneously, along with the rotation of the rotating shaft 5, the first helical gear 15 is driven to rotate, the first helical gear 15 drives the two second helical gears 17 to rotate, the second helical gear 17 drives the two first reciprocating screw rods 18 to rotate, the first reciprocating screw rods 18 are matched with the guide rods 20 to drive the second scraper 21 to move from one side close to the first helical gear 15 to one side of the second mounting plate 19, along with the descending of the filter plate 27, the second scraper 21 is always in contact with the filter plate 27 and cleans the filter plate 27, and the cleaned waste residues are led into the collection box 22, through the arrangement of the limiting shaft 31 and continuously descend along with the filter plate 27, the filter plate 27 is driven to rotate, so that the limiting balls 28 are separated from the second limiting groove 30 and limited in the first limiting groove 29 through the guide grooves, at the moment, the filter plates 27 at two sides are horizontally arranged, the next time, the filter plate 27 ascends to filter purified water in the treatment box 24, and the filter plate 27 reciprocates up and down, carry out filtering operation to the purification water of handling 24 incasement, further improved the chemical filtration efficiency to waste gas, reduced water wasting of resources, be convenient for last flocculation work to carry out automatic clearance to filter 27 through second scraper blade 21, the filter 27 of being convenient for lasts and carries out filtering operation to the purification water of handling 24 incasement, has further improved the treatment effeciency to waste gas.
According to the technical scheme provided by the invention, the inside of the waste gas treatment tank is provided with the U-shaped airflow channel through the partition plate, so that waste gas firstly descends and is physically filtered after entering the waste gas treatment tank, then the waste gas is introduced to the bottom of the waste gas treatment tank for chemical filtration, ascends after being filtered, and is discharged from the air outlet, and the waste gas treatment work is completed.
Waste gas gets into the back from the air inlet of exhaust-gas treatment jar, filter through the filter screen, when gathering more waste residue on the filter screen, it rotates to drive the pivot through the motor, it rotates to drive first band pulley through the pivot, cooperation through first band pulley and second band pulley drives the conveyer transmission, through conveyer, it removes to drive the cleaning brush, make the cleaning brush clear up the filter screen, the filter effect of filter screen has been improved, carry the waste residue to arrange the sediment cover through the cleaning brush in, and along with the removal of cleaning brush, it clears up to adnexed waste residue on the cleaning brush to clear up through first scraper blade, make the waste residue derive from arranging the sediment cover, the cleaning brush of being convenient for lasts and clears up the filter screen, the filter effect of filter screen has further been improved.
The second reciprocating screw rod is driven to rotate along with the rotation of the rotating shaft, the filter plate is driven to lift through the second reciprocating screw rod, along with the lifting of the filter plate, when the filter plate is contacted with the treatment box, the two sides of the top end of the treatment box are arranged in an inward inclining mode, along with the lifting of the filter plate, the filter plate is limited through the inner walls of the two sides of the treatment box which are arranged in an inclining mode, the filter plate is driven to rotate, further, the limiting beads are separated from the first limiting grooves, through the action of the guide grooves, the limiting beads are limited in the second limiting grooves, further, the filter plate is driven to rotate to a fixed angle, along with the continuous lifting of the filter plate, when the filter plate moves to the topmost end, the helical gears are driven to descend through the arrangement of the second reciprocating screw rod, meanwhile, along with the rotation of the rotating shaft, the first helical gears are driven to rotate, the two second helical gears are driven to rotate, the second scraper blade is driven to move from one side close to the first helical gear to one side of the second mounting plate through the matching of the first reciprocating screw rod and the guide rod, the second scraper blade is always contacted with the filter plate along with the descending of the filter plate, the filter plate is cleaned, the cleaned waste residues are guided into the collection box, the filter plate is driven to rotate along with the continuous descending of the filter plate through the arrangement of the limiting shaft, so that the limiting beads are separated from the second limiting groove and limited in the first limiting groove through the guide groove, the filter plates at the two sides are horizontally arranged at the moment, the purified water in the treatment box is filtered by the next ascending of the filter plate, the purified water in the treatment box is filtered through the vertical reciprocating motion of the filter plate, the chemical filtering efficiency of waste gas is further improved, the waste of water resources is reduced, the continuous flocculation work is facilitated, and the filter plate is automatically cleaned through the second scraper blade, the filter of being convenient for lasts to the water purification of handling the incasement and carries out filtering work, has further improved the treatment effeciency to waste gas.
While the foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the invention as set forth in the appended claims.
Claims (10)
1. An exhaust gas treatment device of a thermal power plant, comprising:
the device comprises a waste gas treatment tank, a motor is installed at the top end of the waste gas treatment tank, a partition plate is arranged inside the waste gas treatment tank, a rotating shaft is arranged in the partition plate corresponding to the axis position of the waste gas treatment tank, and the output end of the motor penetrates through the top end of the waste gas treatment tank and is fixedly connected with the rotating shaft;
the inside of exhaust-gas treatment jar is provided with first clearance unit, the bottom of exhaust-gas treatment jar is provided with second clearance unit, the second clearance unit passes through the pivot with the linkage of first clearance unit, first clearance unit is used for clearing up the solid waste of physical filtration upper assembling, the solid waste that the second clearance unit is used for clearing up the production of physics filtration.
2. The exhaust gas treatment device of a thermal power plant according to claim 1, wherein the first cleaning unit includes a filter screen, the filter screen is installed inside the exhaust gas treatment tank, a first belt pulley is fixedly connected to the upper portion of the rotating shaft corresponding to the filter screen, a slag discharge cover is fixedly connected to the outer wall of the exhaust gas treatment tank, a second belt pulley is arranged inside the slag discharge cover, the first belt pulley and the second belt pulley are tensioned by a same conveying belt, and a cleaning brush is arranged on the conveying belt.
3. The waste gas treatment device of a thermal power plant according to claim 1, wherein said second cleaning unit comprises a first helical gear, said first helical gear is fixedly connected to one end of said rotating shaft, a first mounting plate is disposed on one side of one end of said rotating shaft close to said first helical gear, a first reciprocating screw rod is symmetrically and rotatably connected to said first mounting plate, a second helical gear is fixedly connected to one side of one end of said first reciprocating screw rod close to said first helical gear, and said first helical gear is engaged with said second helical gear, a first exhaust pipe is disposed on one side of bottom end of said waste gas treatment tank, a second exhaust pipe is disposed on the other side of bottom end of said waste gas treatment tank, a second mounting plate is disposed on one end of said first reciprocating screw rod, and two said second mounting plates are respectively fixedly connected to outer walls of said first exhaust pipe and said second exhaust pipe, and a collecting box is arranged at a position between the first exhaust pipe and the second exhaust pipe.
4. The exhaust gas treatment device of a thermal power plant according to claim 3, wherein a treatment tank is provided at a bottom end of the exhaust gas treatment tank, and an output end of the first exhaust pipe is fixedly connected to an outer wall of one side of the treatment tank, and an input end of the second exhaust pipe is fixedly connected to an outer wall of the other side of the treatment tank.
5. The exhaust gas treatment device of a thermal power plant according to claim 3, wherein a second reciprocating screw rod is fixedly connected to one end of the rotating shaft, one end of the second reciprocating screw rod penetrates through the collecting box and is inserted into the treatment box, a nut is connected to the second reciprocating screw rod in a threaded manner, a third mounting plate is fixedly connected to the nut, a filter plate is symmetrically and rotatably connected to the third mounting plate, telescopic rods are arranged inside two sides of the filter plate, a limiting ball is fixedly connected to one end of each telescopic rod, a first limiting groove and a second limiting groove are formed in the third mounting plate, the limiting ball is limited in the first limiting groove, and a guide groove is formed in the third mounting plate at a position corresponding to a position between the first limiting groove and the second limiting groove.
6. The exhaust gas treatment device of a thermal power plant according to claim 2, wherein a first scraper is provided inside the residue discharge cover below the cleaning brush.
7. The exhaust gas treatment device of a thermal power plant according to claim 3, wherein a guide bar is provided at a position between the first mounting plate and the second mounting plate, a second scraper is screwed to the first reciprocating screw, and the second scraper is slidably connected to the guide bar.
8. The exhaust gas treatment apparatus of a thermal power plant according to claim 5, wherein an end of the second reciprocating screw rod is fixedly connected to a stirring rod corresponding to an inside of the treatment tank.
9. The exhaust gas treatment device of a thermal power plant according to claim 5, wherein a number of the limit shafts is four, and limit shafts are provided inside the treatment tank corresponding to a lower portion of the filter plate.
10. The exhaust gas treatment apparatus of a thermal power plant according to claim 1, wherein an air inlet and an air outlet are provided at a top end of the exhaust gas treatment tank, respectively, and a support leg is provided at a bottom end of the exhaust gas treatment tank.
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Cited By (1)
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| CN114653157B (en) | 2023-12-19 |
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