CN115212628B - Thermal power plant wastewater treatment system and treatment process - Google Patents
Thermal power plant wastewater treatment system and treatment process Download PDFInfo
- Publication number
- CN115212628B CN115212628B CN202211046023.7A CN202211046023A CN115212628B CN 115212628 B CN115212628 B CN 115212628B CN 202211046023 A CN202211046023 A CN 202211046023A CN 115212628 B CN115212628 B CN 115212628B
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- filter screen
- rod
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002351 wastewater Substances 0.000 claims abstract description 13
- 230000010405 clearance mechanism Effects 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 18
- 238000010079 rubber tapping Methods 0.000 claims description 13
- 238000007790 scraping Methods 0.000 claims description 11
- 241000220317 Rosa Species 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 239000010908 plant waste Substances 0.000 claims 5
- 239000002893 slag Substances 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process 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
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- B01D29/01—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
- B01D29/96—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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
- B01D41/04—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a thermal power plant wastewater treatment system and a treatment process, wherein the treatment system comprises a filter box, a cover plate is arranged above the inside of the filter box, a filter mechanism is arranged below the cover plate, a cleaning mechanism is arranged below the filter mechanism, and a first push plate is arranged on the front inner wall and the rear inner wall of the filter box; make the pole setting last down, through the cooperation of drive assembly and initiative dish and driven plate, can make the filter screen keep inserting inside clearance mechanism after standing the state, can clear up the filter screen through clearance mechanism, can avoid twisting the step of moving the bolt like this, make things convenient for the staff to clear up the filter screen, increased waste water treatment system's availability factor, when the pole setting down, when the baffle break away from the cover plate in the twinkling of an eye, can promote the baffle and keep the horizontality under the reset of spring telescopic link, can block the flowing water of outside top through the baffle, avoid waste water outflow when clearing up the filter screen.
Description
Technical Field
The invention relates to the technical field of water filtration of thermal power plants, in particular to a thermal power plant wastewater treatment system and a thermal power plant wastewater treatment process.
Background
The thermal power plant is a plant for producing electric energy by using combustible matters as fuel, and the basic production process is as follows: the fuel heats water to generate steam when being combusted, chemical energy of the fuel is converted into heat energy, steam pressure pushes the steam turbine to rotate, the heat energy is converted into mechanical energy, and then the steam turbine drives the generator to rotate, so that the mechanical energy is converted into electric energy.
After the combustible materials of the thermal power plant are combusted, in order to prevent dust on the surface of slag from scattering in the air, the slag is cleaned by tap water, and as the slag water needs to be recycled, the slag water is filtered for the second time after being pre-filtered, and then the waste water treatment equipment is used for filtering the slag water.
The prior art has at least the following problems: the existing waste water treatment equipment is after carrying out secondary filtration one end time with the filter screen, and the staff needs to dismantle the clearance to the filter screen, because the filter screen passes through the inside of bolt fastening at waste water treatment equipment, can bring inconvenience for the staff when the clearance like this, has reduced waste water treatment equipment's efficiency.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a waste water treatment system of thermal power plant, includes the rose box, the cover plate is installed to the inside top of rose box, filtering mechanism is installed to the below of cover plate, clearance mechanism is installed to filtering mechanism's below, the first push pedal is all installed to the preceding inner wall of rose box and back inner wall.
The utility model provides a filter mechanism, including pole setting, diaphragm, baffle, filter screen, carriage, driven plate, initiative dish, belt and drive assembly, sliding connection has the pole setting about the inside of rose box, the diaphragm is installed at the top of pole setting, the baffle is all articulated at the both ends of diaphragm, accomodate the groove has all been seted up to the opposite face of baffle, accomodate the groove with install the spring telescopic link between the pole setting, two carriage are installed respectively at the bottom both ends of pole setting, the second push pedal is installed to the bottom of carriage, follows two of pole setting length direction rotate between the carriage and be connected with the filter screen, the back groove has been seted up to carriage inside, back groove inside rotation is connected with driven plate and initiative dish, the driven plate with install the belt between the initiative dish, just the driven plate with corresponding filter screen fixed connection, the initiative dish is kept away from one side of driven plate installs drive assembly.
Preferably, the cleaning mechanism comprises a cleaning box, a connecting frame, a sealing gasket, a fixing plate, a tapping frame, a second rubber wheel, a scraping plate, a transfer shaft and a nozzle, wherein the cleaning box is arranged below the left inner wall and the right inner wall of the filtering box, one end of the top of the cleaning box is slidably connected with the sealing gasket, the sealing gasket is far away from one end of the inner wall of the filtering box, the fixing plate is far away from one end of the sealing gasket, the connecting frame is arranged at one end of the sealing gasket, the tapping frame is arranged between the cleaning box and the connecting frame, the tapping frame is arranged on the front surface and the rear surface of the fixing plate, the second rubber wheel is arranged at one end inside the tapping frame, the nozzle is arranged at one end inside the cleaning box, the transfer shaft is arranged at one end of the cleaning box, one side of the transfer shaft is rotationally connected with the scraping plate, and a torsion spring is further arranged between the scraping plate and the transfer shaft.
Preferably, the driving assembly comprises a rack, a first rubber wheel, a first spring frame and a fluted disc, wherein the fluted disc is arranged on the front surface of the driving disc, the rack is meshed with the lower portion of the fluted disc, the rack is in sliding connection with the supporting frame, the first rubber wheel is arranged at one end of the rack, which is far away from the fluted disc, the first spring frame is arranged on the rear surface of the rack, and two ends of the first spring frame are respectively connected with the first rubber wheel and the supporting frame.
Preferably, the spring telescopic rod comprises an inner connecting rod, an outer sleeve rod and a third spring frame, wherein the outer sleeve rods are hinged to the left end and the right end of the vertical rod, the inner connecting rod is sleeved in the outer sleeve rods, the inner connecting rod is hinged to the groove wall of the storage groove, and the third spring frame is arranged between the outer sleeve rods and the inner connecting rod.
Preferably, a closing plate is installed above the supporting frame.
Preferably, a blocking block is mounted at the bottom of the closing plate.
Preferably, a push-pull box is slidably connected to the lower portion of the cleaning box, and extends to the outer side of the cleaning box.
Preferably, the top of the cover plate is in a conical structure.
The invention also provides a thermal power plant wastewater treatment process, which specifically comprises the following steps:
step one, the vertical rod, the supporting frame and the transverse plate are pushed to move downwards synchronously through lifting equipment, when the baffle plates at the two ends of the transverse plate are separated from the covering plate at the moment, the baffle plates can be kept in a horizontal state, and flowing water above the outside can be blocked through the baffle plates.
Step two, the upright rod continuously moves downwards, the driving disc and the driven disc drive the filter screen to rotate downwards and keep the upright state through the cooperation of the driving assembly and the first push plate,
step three, continue to make the pole setting down remove, when the filter tank removes to clearance mechanism inside, can clear up the filter screen through clearance mechanism, after the clearance is accomplished, make the pole setting upwards remove again, at this in-process, the filter screen of erectting can break away from clearance mechanism after, can reset to initial horizontality, when last upwards remove, can make the baffle rotate to the inside of cover board, can make the waste water flow into voluntarily like this, guarantee the normal filtration of waste water.
Compared with the prior art, the invention has the following beneficial effects: 1. make the pole setting last downwards, through the cooperation of drive assembly and initiative dish and driven plate, can make the filter screen insert inside clearance mechanism after keeping erect the state, can clear up the filter screen through clearance mechanism, can avoid twisting the step of moving the bolt like this, make things convenient for the staff to clear up the filter screen, increased waste water treatment system's availability factor.
2. When the vertical rod is downward, the baffle can be pushed to keep a horizontal state under the reset of the spring telescopic rod at the moment when the baffle is separated from the covering plate, and flowing water above the outside can be blocked through the baffle, so that the waste water is prevented from flowing out when the filter screen is cleaned.
3. The filter screen is integrally inserted into the cleaning box and then moves up and down, dust on the surface of the filter screen can be cleaned more thoroughly through the matching of the nozzle and the scraping plate, tap water sprayed out of the nozzle can be collected through the push-pull box, and the later treatment of workers is facilitated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view (from front to back) of the filter box according to the present invention;
FIG. 3 is a schematic diagram of a filtering mechanism according to the present invention;
FIG. 4 is a schematic top view of the upright, the filter screen and the support frame of the present invention;
FIG. 5 is an enlarged schematic view of the area A of FIG. 4 according to the present invention;
FIG. 6 is a schematic cross-sectional view (from front to back) of the support frame of FIG. 2 according to the present invention;
FIG. 7 is a schematic cross-sectional view of the neutral lever and the stop plate of FIG. 2 (from front to back) in accordance with the present invention;
FIG. 8 is a schematic cross-sectional view (from front to back) of the flexible telescopic rod of FIG. 7 according to the present invention;
FIG. 9 is a schematic view of the cleaning mechanism of the present invention;
FIG. 10 is a schematic cross-sectional view (from front to back) of the cleaning mechanism of FIG. 9 in accordance with the present invention;
FIG. 11 is a schematic view showing the overall state of the filtering system when the vertical rod of FIG. 2 moves downward.
In the figure: 1. a filter box; 2. a cleaning mechanism; 3. a filtering mechanism; 11. a first push plate; 12. a closing plate; 121. a blocking piece; 13. a cover plate; 21. a cleaning box; 211. a push-pull box; 22. a connection frame; 221. a second spring holder; 23. a sealing gasket; 24. a fixing plate; 25. a tapping frame; 26. a second rubber wheel; 27. a scraper; 28. a transfer shaft; 29. a nozzle; 31. a vertical rod; 311. a spring telescoping rod; 3111. an inner connecting rod; 3112. an outer sleeve rod; 3113. a third spring holder; 32. a cross plate; 33. a baffle; 331. a storage groove; 34. a filter screen; 35. a support frame; 351. a second push plate; 36. a driven plate; 37. a driving disk; 38. a belt; 39. a drive assembly; 391. a rack; 392. a first rubber wheel; 393. a first spring holder; 394. a fluted disc.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, 2 and 11, a thermal power plant wastewater treatment system comprises a filter box 1, wherein a cover plate 13 is installed above the interior of the filter box 1, a filter mechanism 3 is installed below the cover plate 13, a cleaning mechanism 2 is installed below the filter mechanism 3, and a first push plate 11 is installed on the front inner wall and the rear inner wall of the filter box 1.
As shown in fig. 2, fig. 3 and fig. 4, the filtering mechanism 3 includes a vertical rod 31, a transverse plate 32, a baffle 33, a filter screen 34, a supporting frame 35, a driven plate 36, a driving plate 37, a belt 38 and a driving component 39, the vertical rod 31 is slidingly connected to the inside of the filtering box 1 up and down, the transverse plate 32 is installed at the top of the vertical rod 31, the baffle 33 is hinged to both ends of the transverse plate 32, a storage groove 331 is formed in the opposite surface of the baffle 33, a spring telescopic rod 311 is installed between the storage groove 331 and the vertical rod 31, two supporting frames 35 are respectively installed at both ends of the bottom of the vertical rod 31, a second push plate 351 is installed at the bottom of the supporting frame 35, the filter screen 34 is rotatably connected between the two supporting frames 35 along the length direction of the vertical rod 31, a circular groove is formed in the supporting frame 35, the inside of the circular groove is rotatably connected with the driven plate 36 and the driving plate 37, the belt 38 is installed between the driven plate 36 and the driving plate 37, the driven plate 36 is fixedly connected with the corresponding filter screen 34, and the driving plate 36 is fixedly connected to the driving plate 34, and the driving component 39 is installed on one side of the driving plate 37 far away from the driven plate 36.
During concrete work, the top of the filter tank 1 is connected with the water delivery pipe, the filter screen 34 inside the filter tank 1 can filter wastewater, after one end of use time, the upright rod 31, the supporting frame 35 and the transverse plate 32 can be pushed by lifting equipment to synchronously move downwards, when the baffle 33 at two ends of the transverse plate 32 is separated from the cover plate 13, the baffle 33 can be pushed to keep a horizontal state under the reset of the spring telescopic rod 311, running water above the outside can be blocked by the baffle 33, when the upright rod 31 continuously moves downwards, the driven plate 36 at the other end of the belt 38 can be driven by the driving assembly 39 and the first push plate 11 to rotate, then the driven plate 36 can drive the filter screen 34 to rotate downwards and keep an upright state, when the filter tank 1 moves inside the cleaning mechanism 2, the filter screen 34 can be cleaned by the cleaning mechanism 2, the step of screwing bolts can be avoided, after the cleaning is completed, the upright rod 31 can be pushed upwards, in the process, the upright rod 34 can be separated from the cleaning mechanism 2, the initial horizontal state can be reset, the waste water can continuously move upwards, and the waste water can continuously move upwards to the cover plate 13 through the continuous movement of the driven plate, and the waste water can be ensured to automatically move upwards through the initial horizontal state after the cleaning mechanism 2.
As shown in fig. 2, the top of the cover plate 13 has a triangular pyramid structure, so that when the device is specifically working, tap water can move downwards along two slopes at the top of the cover plate 13, and water can flow to two sides of the cover plate 13 uniformly.
As shown in fig. 2, the sealing plate 12 is installed above the supporting frame 35, and when the supporting frame 35 moves up to below the sealing plate 12 during specific operation, the top of the supporting frame 35 can be sealed by the sealing plate 12, so that waste water is prevented from flowing out downwards from the inside of the supporting frame 35.
As shown in fig. 6, the bottom of the closing plate 12 is provided with a blocking block 121, and when the supporting frame 35 moves up to the lower side of the closing plate 12, the blocking block 121 is connected with the first rubber wheel 392, so that when the filter screen 34 is impacted by water, the filter screen 34 can be prevented from rotating downwards through the blocking block 121.
As shown in fig. 5, the driving assembly 39 includes a rack 391, a first rubber wheel 392, a first spring rack 393 and a toothed disc 394, the toothed disc 394 is mounted on the front surface of the driving disc 37, the rack 391 is engaged with the rack 391 under the toothed disc 394, the rack 391 is slidably connected with the supporting frame 35, the first rubber wheel 392 is mounted on one end of the rack 391 far away from the toothed disc 394, the first spring rack 393 is mounted on the rear surface of the rack 391, two ends of the first spring rack 393 are respectively connected with the first rubber wheel 392 and the supporting frame 35, when the supporting frame 35 moves downwards, the first rubber wheel 392 is contacted with the first push plate 11, the first rubber wheel 392 and the rack 391 can be pushed to move to one side by the inclined surface structure on the top of the first push plate 11, in this process, the rack 391 can push the driving disc 37 connected with the toothed disc 394 to rotate synchronously, and then drive the filter screen 34 to move downwards and keep erect, as the lower half of the first push plate 11 is of the structure, when the supporting frame 35 moves downwards continuously, the filter screen 34 keeps erect, when the filter screen 34 is kept in the erect state, the filter screen is completed, the upper part of the supporting frame 35 moves upwards, and the filter screen is kept in the erect state, and the filter screen 34 is compressed by the first spring rack is kept in the normal state, and the filter screen 34 is compressed by the first spring frame and the filter screen 34 is kept in the state when the first filter screen is compressed.
As shown in fig. 9 and 10, the cleaning mechanism 2 comprises a cleaning box 21, a connecting frame 22, a sealing gasket 23, a fixing plate 24, a tapping frame 25, a second rubber wheel 26, a scraping plate 27, a transfer shaft 28 and a nozzle 29, wherein the cleaning box 21 is arranged below the left and right inner walls of the filtering box 1, one end of the top of the cleaning box 21 is slidably connected with the sealing gasket 23, one end of the sealing gasket 23, far from the inner wall of the filtering box 1, is provided with the fixing plate 24, one end of the fixing plate 24, far from the sealing gasket 23, is provided with the connecting frame 22, a second spring frame 221 is arranged between the cleaning box 21 and the connecting frame 22, the tapping frame 25 is arranged on the front surface and the rear surface of the fixing plate 24, the second rubber wheel 26 is arranged on one end inside the tapping frame 25, the nozzle 29 is arranged on one end inside the cleaning box 21, the transfer shaft 28 is arranged on one end, far from the nozzle 29, of the inner wall of the cleaning box 21, one side of the transfer shaft 28 is rotatably connected with the scraping plate 27, A torsion spring is also arranged between the scraping plate 27 and the transfer shaft 28, and in the concrete work, the upright filter screen 34 is driven to continuously move downwards through the upright rod 31, when the second pushing plate 351 below the supporting frame 35 contacts the second rubber wheel 26 inside the tapping frame 25, the second rubber wheel 26 slides along the inclined plane of the second pushing plate 351, in the process, the second pushing plate 351 pushes the sealing pad 23 connected with the fixing plate 24 to slide to one side, so that the top of the cleaning box 21 is in an open state, and because the lower half part of the second pushing plate 351 is in an upright structure, the top of the cleaning box 21 is still in an open state when the pushing plate continuously moves downwards, then the filter screen 34 is integrally inserted into the cleaning box 21 and then moves upwards and downwards, and because of the synchronous arrangement of the torsion spring and the transfer shaft 28, the scraping plate 27 is tightly attached to the surface of the filter screen 34, and tap water is sprayed out through the nozzle 29, through the cooperation of nozzle 29 and scraper 27, can make the dust on filter screen 34 surface clear up, after the clearance is accomplished, can make pole setting 31 drive upright filter screen 34 and upwards remove, at the moment that second push pedal 351 breaks away from second rubber wheel 26, can make sealed pad 23 seal the cleaning tank 21 top under the reset of second spring bracket 221, through this can avoid the water after filtering to flow out from cleaning tank 21 top.
As shown in fig. 7, the spring extension rod 311 includes an inner rod 3111, an outer rod 3112 and a third spring frame 3113, the outer rod 3112 is hinged to both left and right ends of the upright rod 31, the inner rod 3111 is sleeved inside the outer rod 3112, the inner rod 3111 is hinged to a groove wall of the receiving groove 331, the third spring frame 3113 is installed between the outer rod 3112 and the inner rod 3111, and when the baffle 33 is separated from the cover plate 13, the compressed third spring frame 3113 is reset, the inner rod 3111 slides along an inner wall of the outer rod 3112, and then the baffle 33 can be pushed to keep a horizontal state by the inner rod 3111, and when the baffle 33 is located inside the cover plate 13, the inner rod 3111 slides inside the outer rod 3112.
As shown in fig. 10, a push-pull box 211 is slidably connected to the lower inside of the cleaning box 21, and the push-pull box 211 extends to the outside of the cleaning box 21, so that the push-pull box 211 can be placed inside the cleaning box 21 during specific operation, tap water sprayed from the nozzle 29 can be collected, and after the collection is completed, the push-pull box 211 can be pulled out to the outside.
The invention also provides a thermal power plant wastewater treatment process, which specifically comprises the following steps:
step one, the upright 31, the supporting frame 35 and the transverse plate 32 are pushed by the lifting device to move downwards synchronously, and when the baffle plates 33 at two ends of the transverse plate 32 are separated from the cover plate 13, the baffle plates 33 can keep a horizontal state, and the flowing water above the outside can be blocked by the baffle plates 33.
Step two, the upright rod 31 is continuously moved downwards, and the driving disc 37 and the driven disc 36 drive the filter screen 34 to rotate downwards and keep an upright state through the cooperation of the driving assembly 39 and the first push plate 11.
Step three, the upright 31 is continuously moved downwards, when the second pushing plate 351 below the supporting frame 35 contacts the second rubber wheel 26 inside the tapping frame 25, the second rubber wheel 26 slides along the inclined plane of the second pushing plate 351, then the sealing gasket 23 slides to one side, the top of the cleaning box 21 is in an opening state, the filter screen 34 is integrally inserted into the cleaning box 21 and then moves up and down, dust on the surface of the filter screen 34 can be cleaned through the cooperation of the nozzle 29 and the scraping plate 27, the upright 31 is then moved upwards after cleaning is completed, in the process, the upright filter screen 34 is separated from the cleaning mechanism 2 and then is reset to an initial horizontal state, and the baffle 33 is rotated into the cover plate 13 while continuously moved upwards, so that waste water can automatically flow in, and normal filtering of the waste water is ensured.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a thermal power plant's wastewater treatment system, includes rose box (1), its characterized in that: a cover plate (13) is arranged above the inside of the filter box (1), a filter mechanism (3) is arranged below the cover plate (13), a cleaning mechanism (2) is arranged below the filter mechanism (3), and a first push plate (11) is arranged on the front inner wall and the rear inner wall of the filter box (1);
the filter mechanism (3) comprises a vertical rod (31), a transverse plate (32), a baffle plate (33), a filter screen (34), a supporting frame (35), a driven disc (36), a driving disc (37), a belt (38) and a driving component (39), wherein the vertical rod (31) is connected to the inside of the filter box (1) in a sliding manner up and down, the transverse plate (32) is installed at the top of the vertical rod (31), baffle plates (33) are hinged to two ends of the transverse plate (32), storage grooves (331) are all formed in opposite surfaces of the baffle plates (33), a spring telescopic rod (311) is installed between the storage grooves (331) and the vertical rod (31), two supporting frames (35) are respectively installed at two ends of the bottom of the vertical rod (31), a second pushing plate (351) is installed at the bottom of each supporting frame (35), the filter screen (34) is rotatably connected between the two supporting frames (35) in the length direction of the vertical rod (31), a reverse groove is formed in the inside of the supporting frame (35), a driven disc (36) and the driving disc (37) are rotatably connected to the inside of the reverse groove, the driven disc (37) and the driving disc (36) are correspondingly connected to the driving disc (36), a driving assembly (39) is arranged on one side of the driving disc (37) away from the driven disc (36);
the top of the first push plate (11) is provided with an inclined plane structure, and the bottom of the second push plate (351) is provided with an inclined plane structure;
the driving assembly (39) comprises a rack (391), a first rubber wheel (392), a first spring frame (393) and a fluted disc (394), the fluted disc (394) is arranged on the front surface of the driving disc (37), the rack (391) is meshed below the fluted disc (394), the rack (391) is in sliding connection with the supporting frame (35), the rack (391) is far away from one end of the fluted disc (394) and is provided with the first rubber wheel (392), the rear surface of the rack (391) is provided with the first spring frame (393), and two ends of the first spring frame (393) are respectively connected with the first rubber wheel (392) and the supporting frame (35).
2. The waste water treatment system of a thermal power plant according to claim 1, the cleaning mechanism (2) comprises a cleaning box (21), a connecting frame (22), a sealing gasket (23), a fixing plate (24), a tapping frame (25), a second rubber wheel (26), a scraping plate (27), a transfer shaft (28) and a nozzle (29), the cleaning box (21) is arranged below the left and right inner walls of the filtering box (1), the sealing gasket (23) is slidingly connected with one end of the top of the cleaning box (21), the fixing plate (24) is arranged at one end, far away from the inner wall of the filtering box (1), of the sealing gasket (23), the connecting frame (22) is arranged at one end, far away from the fixing plate (24), the second spring frame (221) is arranged between the cleaning box (21) and the connecting frame (22), the tapping frame (25) is arranged on the front surface and the rear surface of the fixing plate (24), the second rubber wheel (26) is arranged at one end inside the tapping frame (25), the cleaning box (21) is slidingly connected with one end, the nozzle (29) is arranged at one end, far away from the transfer shaft (28), a torsion spring is also arranged between the scraping plate (27) and the switching shaft (28).
3. A thermal power plant waste water treatment system according to claim 1, wherein: the spring telescopic rod (311) comprises an inner connecting rod (3111), an outer sleeve rod (3112) and a third spring frame (3113), wherein the outer sleeve rod (3112) is hinged to the left end and the right end of the vertical rod (31), the inner sleeve rod (3111) is sleeved in the outer sleeve rod (3112), the inner sleeve rod (3111) is hinged to the groove wall of the containing groove (331), and the third spring frame (3113) is installed between the outer sleeve rod (3112) and the inner sleeve rod (3111).
4. A thermal power plant waste water treatment system according to claim 1, wherein: a closing plate (12) is arranged above the supporting frame (35).
5. A thermal power plant waste water treatment system according to claim 4, wherein: a blocking block (121) is arranged at the bottom of the closing plate (12).
6. A thermal power plant waste water treatment system according to claim 2, wherein: the inside below of clearance case (21) sliding connection has push-and-pull box (211), push-and-pull box (211) extend to clearance case (21) outside.
7. A thermal power plant waste water treatment system according to claim 1, wherein: the top of the cover plate (13) is of a conical structure.
8. A wastewater treatment process of a thermal power plant wastewater treatment system according to claim 1, comprising the steps of:
step one, pushing the upright rod (31), the supporting frame (35) and the transverse plate (32) to synchronously move downwards through lifting equipment, when the baffle plates (33) at the two ends of the transverse plate (32) are separated from the covering plate (13) at the moment, the baffle plates (33) can keep a horizontal state, and the flowing water above the outside is blocked through the baffle plates (33),
step two, the upright rod (31) continuously moves downwards, the driving disc (37) and the driven disc (36) drive the filter screen (34) to rotate downwards and keep an upright state through the cooperation of the driving component (39) and the first push plate (11),
step three, continue to make pole setting (31) down remove, when rose box (1) removes clearance mechanism (2) inside, clear up filter screen (34) through clearance mechanism (2), after the clearance is accomplished, make pole setting (31) upward removal again, in this process, filter screen (34) of erectting can break away from behind clearance mechanism (2) can reset to initial horizontality, when continuously upwards remove, can make baffle (33) rotate to the inside of cover board (13), can flow into automatically through making waste water like this, guarantee the normal filtration of waste water.
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