CN114870943A - Ash treatment equipment and rubbish integrated processing system behind garbage power generation - Google Patents
Ash treatment equipment and rubbish integrated processing system behind garbage power generation Download PDFInfo
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- CN114870943A CN114870943A CN202210083373.4A CN202210083373A CN114870943A CN 114870943 A CN114870943 A CN 114870943A CN 202210083373 A CN202210083373 A CN 202210083373A CN 114870943 A CN114870943 A CN 114870943A
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- broken case
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- ash
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 26
- 238000010248 power generation Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 title description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 239000002918 waste heat Substances 0.000 claims abstract description 20
- 238000012216 screening Methods 0.000 claims description 52
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 17
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 17
- 241001330002 Bambuseae Species 0.000 claims description 17
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 17
- 239000011425 bamboo Substances 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 2
- 239000010882 bottom ash Substances 0.000 abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 37
- 239000002956 ash Substances 0.000 abstract description 26
- 239000003595 mist Substances 0.000 abstract description 15
- 238000001704 evaporation Methods 0.000 abstract description 4
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- 238000012544 monitoring process Methods 0.000 abstract description 2
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- 238000000034 method Methods 0.000 description 8
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- 230000009471 action Effects 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
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- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004056 waste incineration Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
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- 238000000746 purification Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
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- 238000003915 air pollution Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- 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
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/40—Adding fluid, other than for crushing or disintegrating by fluid energy with more than one means for adding fluid to the material being crushed or disintegrated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
-
- 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
Abstract
The invention relates to the technical field of ash treatment, and discloses ash treatment equipment and a comprehensive garbage treatment system after garbage power generation. The temperature sensor is used for monitoring the real-time temperature in the crushing box in real time, the temperature sensor is used for reflecting the temperature of bottom ash just discharged from the furnace in real time, the temperature sensor feeds temperature data back to the console, the console automatically adjusts the injection speed of the atomizing nozzle according to the temperature condition, and meanwhile, if the temperature in the crushing box is higher than the temperature value required by the evaporation of water mist, the water mist is evaporated to form water vapor, so that the water vapor is extracted through the air blower, and the energy conversion of the water vapor is realized through the waste heat conversion system.
Description
Technical Field
The invention relates to the technical field of ash treatment, in particular to ash treatment equipment and a comprehensive garbage treatment system after garbage power generation.
Background
The waste incineration is a process of subjecting waste to oxidation at a high temperature by appropriate thermal decomposition, combustion, melting, or other reaction to reduce the volume of the waste to form a residue or a molten solid substance. The waste incineration is an old traditional method for treating the waste, and the waste incineration method is one of the main methods for treating the urban waste because the waste is treated by the incineration method, the reduction effect is obvious, the land is saved, various pathogens can be eliminated, and toxic and harmful substances are converted into harmless substances. Modern garbage incinerators are all equipped with good smoke and dust purification devices, and the pollution to the atmosphere is reduced.
Ash generated by incineration of garbage is a necessary by-product of municipal refuse incineration treatment, and includes both bottom ash from an incinerator and air pollution control residue generated by flue gas purification. The residue mainly has incombustible inorganic matter and the combustible organic matter of part unburned to constitute, and the rubbish burning back, still contains higher heat in the end ash, directly discharges the lime-ash, causes thermal loss, reduces energy conversion's efficiency, still leads to containing incombustible inorganic matter and the combustible organic matter of part unburned in the end ash, is not convenient for the later stage to the application of end ash.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides ash residue treatment equipment after garbage power generation, which has the advantages of waste heat conversion, dust fall, screening and the like, and solves the problems that ash residues are directly discharged, heat loss is caused, the energy conversion efficiency is reduced, and the bottom ash contains incombustible inorganic matters and combustible organic matters which are not completely combusted, so that the application of the bottom ash in the later period is inconvenient.
(II) technical scheme
In order to solve the technical problems that ash residue is directly discharged, heat loss is caused, the energy conversion efficiency is reduced, and bottom ash contains incombustible inorganic matters and part of incombustible combustible organic matters, so that the application of the bottom ash in the later period is inconvenient, the invention provides the following technical scheme:
the utility model provides a lime-ash treatment equipment behind garbage power, includes the mounting panel, upper surface one side of mounting panel is provided with broken case, the upper surface of mounting panel is kept away from one side of broken case is provided with two support U framves, the rotation of supporting U frame is connected with a screening section of thick bamboo, the auger has been seted up to the inner wall of screening section of thick bamboo, a plurality of sieve meshes have been seted up to the surface of screening section of thick bamboo, run through and fixedly connected with external tooth in the middle part of the surface of screening section of thick bamboo, the external tooth meshing has the gear, the gear runs through fixedly connected with motor one, the lower fixed surface of motor one is provided with frame one, the lower fixed surface of frame one is connected with the protection casing, the protection casing fixed mounting is in the upper surface of mounting panel corresponds the position of screening section of thick bamboo, the upper surface of protection casing sets up the waste heat conversion system, the waste heat conversion system with the inner chamber of broken case links to each other, the lower surface of broken case is provided with the baffle box, the baffle box is kept away from the one end of broken case stretch into to the inside of screening section of thick bamboo just is located the central point of screening section of thick bamboo one side puts.
Preferably, the waste heat conversion system comprises an air blower, an air inlet of the air blower is connected with an inner cavity of the crushing box through a pipeline, an air outlet of the air blower is connected with a superheater through a pipeline fixedly connected with, the superheater is connected with a steam generator through a pipeline fixedly, lower fixed surfaces of the air blower, the superheater and the steam generator are connected with an installation support plate, four corners of the lower surface of the installation support plate are fixedly connected with support columns, and the support columns are fixedly connected to the upper surface of the protective cover.
Preferably, the upper surface of the protective cover is provided with gear grooves corresponding to the external teeth, the gear penetrates through the gear grooves to be meshed with the external teeth, and the protective cover is of a door-shaped structure.
Preferably, support the U frame and pass through fastening bolt fixed connection and be in the upper surface of mounting panel, spacing annular has all been seted up to the inboard of supporting the U frame, the both ends of a screening section of thick bamboo all run through and fixedly connected with spacing ring, the spacing ring with spacing annular is tangent, just the diameter of spacing annular is less than the diameter of spacing ring.
Preferably, a first conveyor belt is arranged below the screening cylinder, one end of the first conveyor belt extends through the lower portion of the crushing box, a second conveyor belt is arranged below one end, far away from the material guide groove, of the screening cylinder, the second conveyor belt and the first conveyor belt are fixedly connected to the upper surface of the mounting plate, and the first conveyor belt and the second conveyor belt are opposite in conveying direction.
Preferably, the inner wall both sides of broken case all rotate and are connected with crushing roller, crushing roller intermeshing, crushing roller's pivot is run through broken case fixedly connected with driving gear, driving gear's intermeshing, one of them crushing roller's pivot fixedly connected with step motor, step motor's lower fixed surface is connected with frame two, the lower fixed surface of frame two is connected the upper surface of protection casing.
Preferably, the fixed a plurality of atomizer that are provided with in inner wall top of broken case, the feed inlet has been seted up in the front of broken case, one side that the inner wall of broken case is close to the feed inlet is connected with sealing door through torsional spring and pivot rotation.
Preferably, inner wall top one side of broken case is provided with temperature sensor, upper surface middle part one side of mounting panel is provided with the control cabinet, the control cabinet all carries out electric connection with temperature sensor, atomizer, air-blower.
A refuse integrated processing system using a refuse power generation post-ash processing apparatus according to any one of claims 1 to 8.
(III) advantageous effects
Compared with the prior art, the invention provides ash treatment equipment after garbage power generation, which has the following beneficial effects:
1. the temperature sensor is used for monitoring the real-time temperature in the crushing box in real time, the temperature sensor is used for reflecting the temperature of bottom ash just discharged from the furnace in real time, the temperature sensor feeds temperature data back to the console, the console automatically adjusts the injection speed of the atomizing nozzle according to the temperature condition, and meanwhile, if the temperature in the crushing box is higher than the temperature value required by the evaporation of water mist, the water mist is evaporated to form water vapor, so that the water vapor is extracted through the air blower, and the energy conversion of the water vapor is realized through the waste heat conversion system.
2. According to the invention, the grinding rollers are driven to rotate by the stepping motor, and the two grinding rollers rotate reversely under the mutual meshing action of the transmission teeth, so that the grinding rollers grind bottom ash, the agglomerated bottom ash is separated, and the bottom ash is sufficiently screened.
3. The conveyor belt I conveys the bottom ash falling from the screen holes on the screening cylinder to one side, the incombustible inorganic matters and the partially unburned combustible organic matters are discharged from the outlet of the screening cylinder under the action of the auger and fall onto the conveyor belt II, and the incombustible inorganic matters and the partially unburned combustible organic matters are reversely discharged by the conveyor belt II, so that the screening of the bottom ash, the incombustible inorganic matters and the partially unburned combustible organic matters is realized, the application range of the bottom ash in the later period is improved, and the secondary utilization cost is reduced.
4. According to the invention, the bottom ash just discharged from the furnace is cooled through the atomizing spray head, and meanwhile, the dust fall of the bottom ash is realized by utilizing water mist, so that the environmental pollution caused by the diffusion of dust in the falling process of the bottom ash is avoided.
5. The screening cylinder is supported by the support U-shaped frame, and the position of the screening cylinder is limited under the matching action of the limiting ring groove and the limiting ring, so that position limiting support is provided for the rotation of the screening cylinder.
Drawings
FIG. 1 is one of the three-dimensional structures of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a structural view of the crushing box of the present invention;
FIG. 4 is an exploded view of the crush box structure of the present invention;
FIG. 5 is a view of the screening cartridge installation configuration of the present invention;
FIG. 6 is an exploded view of the present invention;
FIG. 7 is a structural view of a U-shaped support frame of the present invention
FIG. 8 is a schematic diagram of the dustfall and energy conversion of the present invention;
fig. 9 is a schematic diagram of the working principle of the present invention.
In the figure: 1. mounting a plate; 2. a crushing box; 3. a U-shaped support; 4. a screening drum; 5. a packing auger; 6. screening holes; 7. an outer tooth; 8. a gear; 9. a first motor; 10. a first engine base; 11. a protective cover; 12. a waste heat conversion system; 13. a material guide chute; 14. a blower; 15. a superheater; 16. a steam generator; 17. mounting a carrier plate; 18. a pillar; 19. a gear groove; 20. a limit ring groove; 21. a limiting ring; 22. a first conveyor belt; 23. a second conveyor belt; 24. a crushing roller; 25. a transmission gear; 26. a stepping motor; 27. a second engine base; 28. an atomizing spray head; 29. a feed inlet; 30. a sealing door; 31. a temperature sensor; 32. a console.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background art, the present application provides a waste power generation post-ash treatment device, which solves the above technical problems.
Referring to fig. 1-7, a post-garbage-power-generation ash treatment device comprises a mounting plate 1, wherein a crushing box 2 is arranged on one side of the upper surface of the mounting plate 1, two supporting U frames 3 are arranged on one side, far away from the crushing box 2, of the upper surface of the mounting plate 1, a screening drum 4 is connected in a rotating manner through the supporting U frames 3, an auger 5 is arranged on the inner wall of the screening drum 4, a plurality of sieve holes 6 are arranged on the outer surface of the screening drum 4, external teeth 7 penetrate through and are fixedly connected to the middle of the outer surface of the screening drum 4, a gear 8 is meshed with the external teeth 7, a motor I9 penetrates through and is fixedly connected with the gear 8, a base I10 is fixedly arranged on the lower surface of the motor I9, a protective cover 11 is fixedly connected to the lower surface of the base I10, and the protective cover 11 is fixedly arranged on the upper surface of the mounting plate 1 corresponding to the position of the screening drum 4, the upper surface of the protective cover 11 is provided with a waste heat conversion system 12, the waste heat conversion system 12 is connected with the inner cavity of the crushing box 2, the lower surface of the crushing box 2 is provided with a guide chute 13, and one end of the guide chute 13, which is far away from the crushing box 2, extends into one end of the inside of the screening barrel 4 and is located at the center of one side of the screening barrel 4.
Further, for the above waste heat conversion system 12, the waste heat conversion system 12 includes a blower 14, an air inlet of the blower 14 is connected to an inner cavity of the crushing box 2 through a pipeline, an air outlet is fixedly connected to a superheater 15 through a pipeline, the superheater 15 is fixedly connected to a steam generator 16 through a pipeline, lower surfaces of the blower 14, the superheater 15 and the steam generator 16 are fixedly connected to an installation support plate 17, four corners of a lower surface of the installation support plate 17 are fixedly connected to support columns 18, the support columns 18 are fixedly connected to an upper surface of the protective cover 11, so that water mist sprayed out through the atomizing nozzles 28 forms water vapor at high temperature, the water vapor is extracted through the blower 14, and is subjected to temperature raising treatment by the superheater 15, the water vapor is introduced into the steam generator, and the steam generator 16 converts the water vapor into electric energy, and then realized the reutilization to the waste heat, avoided the waste of resource, solved and directly discharged the lime-ash, caused the loss of heat, reduced the problem of energy conversion's efficiency.
Further, for the above protection cover 11, the upper surface of the protection cover 11 has gear grooves 19 corresponding to the external teeth 7, the gear 8 penetrates through the gear grooves 19 to engage with the external teeth 7, the protection cover 11 is of a door-shaped structure, so that the screening drum 4 is protected by the protection cover 11, the situation that the screening drum 4 is splashed with bottom ash in the rotating process to cause damage to the periphery is avoided, and meanwhile, the gear grooves 19 are beneficial to the engagement of the external teeth 7 and the gear 8, and a space area is provided for the engagement.
Further, to the aforesaid support U frame 3, support U frame 3 through fastening bolt fixed connection in the upper surface of mounting panel 1, spacing annular 20 has all been seted up to the inboard of supporting U frame 3, screening section of thick bamboo 4's both ends all run through and fixedly connected with spacing ring 21, spacing ring 21 with spacing annular 20 is tangent, just spacing annular 20's diameter is less than spacing ring 21's diameter to realize the supporting role to screening section of thick bamboo 4 through supporting U frame 3, realize simultaneously that the position to screening section of thick bamboo 4 is injectd under spacing annular 20 and spacing ring 21's mating reaction, provide the spacing support in position for the rotation of screening section of thick bamboo 4.
Further, as for the screening drum 4, a first conveyor belt 22 is arranged below the screening drum 4, one end of the first conveyor belt 22 extends through the lower part of the crushing box 2, a second conveyor belt 23 is arranged below one end of the screening drum 4 far away from the material guiding groove 13, the second conveyor belt 23 and the first conveyor belt 22 are fixedly connected to the upper surface of the mounting plate 1, the first conveyor belt 22 and the second conveyor belt 23 are transported in opposite directions, so that bottom ash falling from the screen holes 6 on the screening drum 4 is transported to one side through the first conveyor belt 22, non-combustible inorganic matters and partially non-combustible organic matters are discharged from the outlet of the screening drum 4 under the action of the auger 5 and fall on the second conveyor belt 23, the non-combustible inorganic matters and the partially non-combustible organic matters are discharged reversely through the second conveyor belt 23, and screening of the bottom ash, the non-combustible inorganic matters and the partially non-combustible organic matters is realized, the application range of the later-stage bottom ash is improved, and the cost during secondary utilization is reduced.
Further, to above-mentioned broken case 2, the inner wall both sides of broken case 2 all rotate and are connected with crushing roller 24, crushing roller 24 intermeshing, the pivot of crushing roller 24 is run through broken case 2 fixedly connected with driving gear 25, the intermeshing of driving gear 25, the pivot fixedly connected with step motor 26 of one of them crushing roller 24, the lower fixed surface of step motor 26 is connected with frame two 27, the lower fixed surface of frame two 27 is connected in the upper surface of protection casing 11 to drive crushing roller 24 through step motor 26 and rotate, realize two crushing roller 24 antiport under the intermeshing's of driving gear 25 effect, thereby realized that crushing roller 24 smashes end ash, the end ash that makes the caking realizes the separation, makes end ash carry out abundant screening.
Further, to above-mentioned broken case 2, the fixed a plurality of atomizer 28 that are provided with in inner wall top of broken case 2, feed inlet 29 has been seted up in the front of broken case 2, one side that the inner wall of broken case 2 is close to feed inlet 29 is rotated through torsional spring and pivot and is connected with sealing door 30 to atomizer 28 cools down the end ash of just coming out of the stove, utilizes water smoke to realize carrying out the dust fall to end ash simultaneously, avoids end ash to cause the dust to diffuse at the in-process that drops and leads to environmental pollution.
Further, for the above crushing box 2, a temperature sensor 31 is arranged on one side of the top of the inner wall of the crushing box 2, a control console 32 is arranged on one side of the middle of the upper surface of the mounting plate 1, the control console 32 is electrically connected with the temperature sensor 31, the atomizing nozzles 28 and the air blower 14, so that the real-time temperature in the crushing box 2 is monitored in real time through the temperature sensor 31, the temperature of bottom ash just discharged from the furnace is reflected in real time through the temperature sensor 31, the temperature data is fed back to the control console 32 through the temperature sensor 31, the injection speed of the atomizing nozzles 28 is automatically adjusted through the control console 32 according to the temperature condition, and meanwhile, if the temperature in the crushing box 2 is greater than the temperature value required by evaporation of water mist, the water mist is evaporated to form water vapor, so that the water vapor is extracted through the air blower 14, energy conversion of the water vapor is realized through a waste heat conversion system, therefore, the console 32 synchronously adjusts the speed of the blower 14 based on the spray rate of the atomizer 28.
The working principle is as follows: when the device is used, the device is arranged at the bottom ash discharge position of a garbage combustion furnace, the bottom ash discharge port is connected with the feed inlet of the crushing box 2, when the bottom ash is discharged, the bottom ash generates extrusion force on the sealing door 30, so that the torsion of a torsion spring on the sealing door 30 is overcome, the sealing door is opened, the bottom ash enters the crushing box 2 and falls between the crushing rollers 24, the crushing rollers 24 are driven to rotate by the stepping motor 26, the two crushing rollers 24 rotate in opposite directions under the mutual meshing effect of the transmission teeth 25, the crushing rollers 24 crush the bottom ash, the agglomerated bottom ash is separated, the bottom ash is sufficiently screened, the crushed bottom ash mixture enters the screening barrel 4 through the guide chute 13, the gear 8 is driven to rotate by the motor I9, and the outer teeth 7 are driven to rotate, so that the screening barrel 4 is driven to rotate under the matching effect of the support U frame 3, the bottom ash falls from the sieve holes 6 of the sieving cylinder 4, the bottom ash falling from the sieve holes 6 on the sieving cylinder 4 is conveyed to one side through the first conveyor belt 22, non-combustible inorganic matters and partially unburned combustible organic matters are discharged from the outlet of the sieving cylinder 4 under the action of the auger 5 and fall on the second conveyor belt 23, and the non-combustible inorganic matters and the partially unburned combustible organic matters are reversely discharged by the second conveyor belt 23, so that the bottom ash, the non-combustible inorganic matters and the partially unburned combustible organic matters are sieved, the application range of the bottom ash in the later period is enlarged, and the cost in secondary utilization is reduced;
when the bottom ash mixture enters the crushing box 2, because the temperature of the bottom ash is overhigh at the moment, the temperature of the bottom ash needs to be reduced through the water mist sprayed by the atomizing spray nozzle 28, after the water mist contacts the bottom ash, the water mist is evaporated by the bottom ash at high temperature to form water vapor, then the water vapor is extracted through the air blower 14 and subjected to heating treatment of the superheater 15, the water vapor is introduced into the steam generator, the water vapor is converted into electric energy by the steam generator 16, further, the secondary utilization of waste heat is realized, the waste of resources is avoided, the problems that ash and slag are directly discharged, heat loss is caused, and the efficiency of energy conversion is reduced are solved;
in addition, more water mist is sprayed, and the residual water mist covers the outer surface of the bottom ash mixture after the water vapor is formed, so that the environmental pollution caused by the diffusion of dust in the bottom ash mixture can be effectively avoided;
the grinding rollers 24 are driven to rotate by the stepping motor 26, and the two grinding rollers 24 rotate reversely under the mutual meshing action of the transmission teeth 25, so that the grinding rollers 24 grind bottom ash, the agglomerated bottom ash is separated, and the bottom ash is sufficiently screened;
the real-time temperature in the crushing box 2 is monitored in real time through the temperature sensor 31, the temperature when bottom ash just comes out of the furnace is reflected in real time through the temperature sensor 31, the temperature data are fed back to the control console 32 through the temperature sensor 31, the control console 32 automatically adjusts the spraying speed of the atomizing nozzles 28 according to the temperature condition, meanwhile, after the temperature in the crushing box 2 is larger than the temperature value required by evaporation of water mist, the water mist is evaporated to form water vapor, the water vapor is extracted through the air blower 14, energy conversion of the water vapor is achieved through the waste heat conversion system 12, therefore, according to the spraying speed of the atomizing nozzles 28, the control console 32 synchronously adjusts the speed of the air blower 14, and further, through the matching use of the temperature sensor 31, the atomizing nozzles 28, the waste heat conversion system 12 and the like, the collection and utilization of waste heat and the dust prevention treatment are achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a lime-ash treatment facility behind garbage power, includes mounting panel (1), its characterized in that: the upper surface of the mounting plate (1) is provided with a crushing box (2), the upper surface of the mounting plate (1) is far away from one side of the crushing box (2) and is provided with two supporting U frames (3), the supporting U frames (3) are connected with a screening barrel (4) in a rotating manner, the inner wall of the screening barrel (4) is provided with a packing auger (5), the outer surface of the screening barrel (4) is provided with a plurality of sieve meshes (6), the outer surface middle part of the screening barrel (4) is penetrated and fixedly connected with outer teeth (7), the outer teeth (7) are meshed with a gear (8), the gear (8) is penetrated and fixedly connected with a motor I (9), the lower surface of the motor I (9) is fixedly provided with a base I (10), the lower surface of the base I (10) is fixedly connected with a protective cover (11), the protective cover (11) is fixedly mounted on the upper surface of the mounting plate (1) corresponding to the position of the screening barrel (4), the upper surface of protection casing (11) sets up waste heat conversion system (12), waste heat conversion system (12) with the inner chamber of broken case (2) links to each other, the lower surface of broken case (2) is provided with baffle box (13), baffle box (13) are kept away from the one end of broken case (2) stretch into to the inside of screening section of thick bamboo (4) just is located the central point of screening section of thick bamboo (4) one side puts.
2. The ash handling equipment after the garbage power generation as claimed in claim 1, wherein: waste heat conversion system (12) include air-blower (14), the air intake of air-blower (14) pass through the pipeline with the inner chamber of broken case (2) links to each other, and the air outlet passes through pipeline fixedly connected with over heater (15), over heater (15) pass through pipeline fixedly connected with steam generator (16), the lower fixed surface of air-blower (14), over heater (15), steam generator (16) is connected with installation support plate (17), the lower surface four corners fixedly connected with pillar (18) of installation support plate (17), pillar (18) fixed connection be in the upper surface of protection casing (11).
3. The ash handling equipment after the garbage power generation as claimed in claim 2, wherein: the upper surface of protection casing (11) corresponds gear groove (19) have been seted up to external tooth (7), gear (8) run through gear groove (19) meshing external tooth (7), protection casing (11) are the door font structure.
4. The ash handling equipment after the garbage power generation as claimed in claim 3, wherein: support U frame (3) and be in through fastening bolt fixed connection the upper surface of mounting panel (1), spacing annular (20) have all been seted up to the inboard of supporting U frame (3), the both ends of screening section of thick bamboo (4) all run through and fixedly connected with spacing ring (21), spacing ring (21) with spacing annular (20) are tangent, just the diameter of spacing annular (20) is less than the diameter of spacing ring (21).
5. The ash handling equipment after the garbage power generation as claimed in claim 4, wherein: the screening section of thick bamboo (4) the below is provided with conveyer belt (22), the one end extension of conveyer belt (22) is passed the below of broken case (2), keeping away from of screening section of thick bamboo (4) the one end below of baffle box (13) is provided with conveyer belt two (23), the equal fixed connection of conveyer belt one (22) are in the upper surface of mounting panel (1), the transport direction of conveyer belt one 22, conveyer belt two (23) is opposite.
6. The ash handling equipment after the garbage power generation as claimed in claim 5, wherein: the inner wall both sides of broken case (2) are all rotated and are connected with crushing roller (24), crushing roller (24) intermeshing, the pivot of crushing roller (24) is run through broken case (2) fixedly connected with driving gear (25), the intermeshing of driving gear (25), pivot fixedly connected with step motor (26) of one of them crushing roller (24), the lower fixed surface of step motor (26) is connected with frame two (27), the lower fixed surface of frame two (27) is connected the upper surface of protection casing (11).
7. The ash handling equipment after the garbage power generation as claimed in claim 6, wherein: the inner wall top of broken case (2) is fixed and is provided with a plurality of atomizer (28), feed inlet (29) have been seted up in the front of broken case (2), one side that the inner wall of broken case (2) is close to feed inlet (29) is connected with sealing door (30) through torsional spring and pivot rotation.
8. The ash handling equipment after the garbage power generation as claimed in claim 7, wherein: inner wall top one side of broken case (2) is provided with temperature sensor (31), upper surface middle part one side of mounting panel (1) is provided with control cabinet (32), control cabinet (32) all carry out electric connection with temperature sensor (31), atomizer (28), air-blower (14).
9. A garbage comprehensive treatment system is characterized in that: the integrated garbage disposal system uses a post-power generation garbage ash disposal apparatus as claimed in any one of claims 1 to 8.
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| CN114870943B (en) | 2024-03-26 |
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