CN111872051A - Coal ash recycling pretreatment device - Google Patents
Coal ash recycling pretreatment device Download PDFInfo
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- CN111872051A CN111872051A CN202010766734.6A CN202010766734A CN111872051A CN 111872051 A CN111872051 A CN 111872051A CN 202010766734 A CN202010766734 A CN 202010766734A CN 111872051 A CN111872051 A CN 111872051A
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- 238000004064 recycling Methods 0.000 title claims abstract description 16
- 239000010883 coal ash Substances 0.000 title abstract description 4
- 239000010881 fly ash Substances 0.000 claims abstract description 203
- 239000003245 coal Substances 0.000 claims abstract description 132
- 239000002245 particle Substances 0.000 claims abstract description 121
- 230000007246 mechanism Effects 0.000 claims abstract description 93
- 238000004140 cleaning Methods 0.000 claims abstract description 50
- 238000000926 separation method Methods 0.000 claims abstract description 47
- 238000003860 storage Methods 0.000 claims abstract description 17
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 49
- 239000000463 material Substances 0.000 claims description 43
- 238000009833 condensation Methods 0.000 claims description 37
- 230000005494 condensation Effects 0.000 claims description 37
- 238000007599 discharging Methods 0.000 claims description 15
- 230000002776 aggregation Effects 0.000 claims description 13
- 238000004220 aggregation Methods 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000001112 coagulating effect Effects 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 9
- 238000005345 coagulation Methods 0.000 claims 3
- 230000015271 coagulation Effects 0.000 claims 3
- 239000000779 smoke Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 230000009471 action Effects 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 239000002956 ash Substances 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 231100000481 chemical toxicant Toxicity 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000011325 microbead Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000003440 toxic substance Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000002775 capsule Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/30—Incineration ashes
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the field of fly ash, in particular to a fly ash recycling pretreatment device. The technical problem is as follows: provides a coal ash recovery pretreatment device. The technical scheme is as follows: a fly ash recovery pretreatment device comprises a bottom frame, a support frame, a control screen, a stepping motor, a coal particle separation mechanism, a coal particle cleaning mechanism, a fly ash collection mechanism and a storage cabin; the underframe is welded with the support frame. The invention achieves the effects of treating and recycling the fly ash discharged by the fire coal, separating unburnt coal particles contained in fly ash smoke discharged by the fire coal, preventing the fly ash from being reused due to the high content of the coal particles in the fly ash, removing the fly ash attached to the surfaces of the coal particles, recycling the coal particles, improving the utilization rate of resources, simultaneously condensing the fly ash, avoiding secondary pollution to the environment and reducing the harm to the environment.
Description
Technical Field
The invention relates to the field of fly ash, in particular to a fly ash recycling pretreatment device.
Background
Fly ash, also known as fly ash, is fine ash collected from flue gas from coal combustion and is the main solid waste discharged from coal-fired power plants. A large amount of fly ash can generate dust without treatment, thereby polluting the atmosphere; if the fly ash is discharged into a water system, river congestion can be caused, toxic chemical substances in the fly ash can cause harm to human bodies and organisms, but the fly ash can be recycled, for example, the fly ash can be used as an admixture of concrete, but fly ash obtained in a coal-fired power plant contains a large amount of unburned coal particles, and if the fly ash contains coarse, loose, porous and irregular micro-bead particles and unburned carbon content, the water demand of the fly ash is increased, and the working performance of concrete mixtures is reduced. And the fly ash is light in weight, so that the fly ash is easy to fly up in the moving process, and secondary pollution is caused.
Disclosure of Invention
In order to overcome the defects that a large amount of fly ash can generate flying dust and pollute the atmosphere if the fly ash is not treated, river silts can be caused if the fly ash is discharged into a water system, toxic chemical substances in the fly ash can also cause harm to human bodies and organisms, the fly ash obtained by a coal-burning power plant contains a large amount of unburnt coal particles, if the fly ash contains coarse, loose, porous and irregular micro-bead particles and more unburnt carbon, the water demand of the fly ash can be increased, the working performance of a prepared secondary product is reduced, the fly ash is light in weight, and the fly ash can be easily lifted in the moving process, so that secondary pollution is caused, and the technical problem is that: provides a coal ash recovery pretreatment device.
The technical scheme is as follows: a fly ash recovery pretreatment device comprises a bottom frame, a support frame, a control screen, a stepping motor, a coal particle separation mechanism, a coal particle cleaning mechanism, a fly ash collection mechanism and a storage cabin; welding the underframe and the support frame; a stepping motor is arranged above the underframe; a fly ash collecting mechanism is arranged above the bottom frame; a storage cabin is arranged above the underframe; the support frame is connected with the control screen; a coal particle separating mechanism and a coal particle cleaning mechanism are sequentially arranged below the supporting frame; the support frame is connected with the fly ash collecting mechanism; the stepping motor is connected with the coal particle separating mechanism; the coal particle separation mechanism is connected with the coal particle cleaning mechanism; the coal particle separation mechanism is connected with the fly ash collection mechanism; the coal particle cleaning mechanism is connected with the fly ash collecting mechanism; the fly ash collecting mechanism is connected with the storage cabin.
Preferably, the coal particle separation mechanism comprises a feed inlet, a separation cabin, a buffer plate, a filter screen, a first fan, a baffle plate, a spring, a fixed bottom plate, a discharge inclined plate, a fly ash aggregation cabin, a fixed rotating shaft, a first material collecting plate, a second material collecting plate, a discharge pipe, a universal coupling, a first flat gear, a second flat gear, a third flat gear, a fourth flat gear, a first electric push rod, a first column gear, a first bevel gear and a second bevel gear; the feed port is welded with the separation cabin; the separation cabin is connected with the buffer plate; the separation cabin is connected with the filter screen; one side of the separation cabin is connected with the first fan, and the other side of the separation cabin is connected with the striker plate; the separation cabin is welded with the fixed bottom plate; the separation cabin is welded with the discharge sloping plate; the separation cabin is welded with the fly ash aggregation cabin; the striker plate is welded with the spring; the spring is welded with the fixed bottom plate; the fly ash collecting cabin is connected with the fixed rotating shaft; welding the fly ash collecting cabin with the discharge pipe; the fixed rotating shaft is rotatably connected with the first material collecting plate; the fixed rotating shaft is rotatably connected with the second material collecting plate; the fixed rotating shaft is rotatably connected with the universal coupling; the universal coupling is rotationally connected with the first flat gear through a transmission rod; the first flat gear is meshed with the second flat gear; the second flat gear is in rotary connection with the third flat gear through a transmission rod; a fourth flat gear is arranged on one side, close to the first flat gear, of the fourth flat gear; the fourth flat gear is sleeved with the first electric push rod; the fourth flat gear is meshed with the first column gear; the first column gear is in rotary connection with the first bevel gear through a transmission rod; the first bevel gear is meshed with the second bevel gear; the separation cabin is connected with the support frame; the discharging inclined plate is connected with the coal particle cleaning mechanism; the discharge pipe is connected with the fly ash collecting mechanism; the second bevel gear is connected with the stepping motor; the second bevel gear is connected with the fly ash collecting mechanism.
Preferably, the coal particle cleaning mechanism comprises a third bevel gear, a fourth bevel gear, a first driving wheel, a second driving wheel, a rotating chassis, a first T-shaped rod, a second T-shaped rod, a coal particle cleaning cabin, a first feeding port, a second fan, an arc-surface bottom plate, a discharging port and a conveying pipe; the third bevel gear is meshed with the fourth bevel gear; the fourth bevel gear is in rotary connection with the first driving wheel through a driving rod; the outer ring surface of the first driving wheel is in transmission connection with the second driving wheel through a belt; the second transmission wheel is rotationally connected with the rotating chassis through a transmission rod; a first T-shaped rod and a second T-shaped rod are sequentially arranged below the rotating chassis; the rotary chassis is connected with the coal particle cleaning cabin; a first feeding port is arranged above the coal particle cleaning cabin; the coal particle cleaning cabin is connected with a second fan; the coal particle cleaning cabin is welded with the cambered surface bottom plate; a discharge hole is formed below the coal particle cleaning cabin; the discharge port is inserted with the conveying pipe; the third bevel gear is connected with the fly ash collecting mechanism; the first driving wheel is connected with the supporting frame; the second driving wheel is connected with the supporting frame; the coal particle cleaning cabin is connected with the supporting frame; the first feeding port is connected with the discharging inclined plate; the material conveying pipe is connected with the fly ash collecting mechanism.
Preferably, the fly ash collecting mechanism comprises a fly ash condensation cabin, a second feeding port, a third feeding port, a screw, a partition plate, a cylinder, a condensation push rod, a special-shaped condensation plate, a connecting plate, a second electric push rod, a fifth flat gear, a second column gear, a third driving wheel, a fourth driving wheel, a sixth flat gear, a fifth bevel gear, a sixth bevel gear, a fifth driving wheel, a sixth driving wheel, a round pin, a grooved pulley, a seventh driving wheel, an eighth driving wheel, a seventh bevel gear, an eighth bevel gear, a ninth driving wheel, a tenth driving wheel, a blanking baffle and a material receiving pipe; a second feeding port and a third feeding port are sequentially arranged above the fly ash condensation cabin; the fly ash condensation cabin is rotationally connected with the screw; the fly ash condensation cabin is connected with the partition plate; the fly ash condensation cabin is connected with the cylinder; the fly ash condensation cabin is inserted with the condensation material push rod; the screw rod is rotationally connected with the third driving wheel; the partition plate is sleeved with the cylinder; the material solidifying push rod is welded with the special-shaped material solidifying plate; the condensed material push rod is welded with the connecting plate; the connecting plate is connected with the second electric push rod; the connecting plate is in transmission connection with the fifth flat gear; the fifth flat gear is meshed with the second column gear; the second column gear is rotationally connected with the fourth transmission wheel through a transmission rod; a sixth flat gear is arranged above the second column gear; the outer ring surface of the third driving wheel is in transmission connection with the fourth driving wheel through a belt; the sixth flat gear is in rotary connection with the fifth bevel gear through a transmission rod; the fifth bevel gear is meshed with the sixth bevel gear; the sixth bevel gear is rotationally connected with the fifth driving wheel through a driving rod; the outer ring surface of the fifth driving wheel is in transmission connection with the sixth driving wheel through a belt; the sixth driving wheel is rotationally connected with the round pin through a driving rod; the round pin is in transmission connection with the grooved pulley; the grooved wheel is rotationally connected with the seventh driving wheel through a driving rod; the outer ring surface of the seventh driving wheel is in transmission connection with the eighth driving wheel through a belt; the eighth transmission wheel is rotationally connected with the seventh bevel gear through a transmission rod; the seventh bevel gear is meshed with the eighth bevel gear; the eighth bevel gear is rotationally connected with the ninth driving wheel through a driving rod; the outer ring surface of the ninth driving wheel is in transmission connection with the tenth driving wheel through a belt; the tenth driving wheel is rotationally connected with the blanking baffle through a driving rod; a material receiving pipe is arranged below the blanking baffle; the fly ash condensation cabin is connected with the bottom frame; the fly ash condensation cabin is connected with the material conveying pipe; the second feeding port is connected with the discharging pipe; the second electric push rod is connected with the underframe; the second column gear is connected with the second bevel gear; the third transmission wheel is connected with a third bevel gear; the fifth driving wheel is connected with the underframe; the sixth transmission wheel is connected with the underframe; the seventh transmission wheel is connected with the underframe; the eighth driving wheel is connected with the underframe; the tenth transmission wheel is connected with the underframe; the material receiving pipe is connected with the storage cabin.
Preferably, the side of the first aggregate plate, which is far away from the filter screen, is provided with a smooth bevel.
Preferably, one side of the cambered bottom plate, which is far away from the first T-shaped rod, is a quarter arc surface.
Preferably, one side of the special-shaped material condensing plate, which is close to the material condensing push rod, is a half arc surface, and the upper part of the special-shaped material condensing plate is a plane.
Preferably, the round pin is matched with the slot in the sheave.
Preferably, two groups of symmetrical through round holes are formed in the blanking baffle.
Compared with the prior art, the invention has the following advantages: in order to solve the problems that a large amount of fly ash can generate raised dust and pollute the atmosphere if the fly ash is not treated, river silts can be caused if the fly ash is discharged into a water system, toxic chemical substances in the fly ash can also cause harm to human bodies and organisms, the fly ash obtained by a coal-burning power plant contains a large amount of unburnt coal particles, if the fly ash contains coarse, loose, porous and irregular micro-bead particles and more unburnt carbon, the water demand of the fly ash can be increased, the working performance of a prepared secondary product is reduced, the fly ash is light in weight, and the fly ash can be easily raised in the moving process to cause secondary pollution;
separating unburnt coal particles in a coal particle separating mechanism by entering fly ash flue gas, then separating fly ash of unburnt coal particles into a fly ash collecting mechanism, and separating coal particles into a coal particle cleaning mechanism, then stirring the entering coal particles by the coal particle cleaning mechanism, simultaneously blowing wind with specified intensity into the coal particles, further separating a small amount of fly ash attached to the surfaces of the coal particles by wind power to obtain the coal particles without fly ash, simultaneously mixing the fly ash with lime in the fly ash collecting mechanism to ensure that the fly ash generates coagulability and intensity, then condensing the fly ash into a fixed shape, finally collecting the fly ash, and sending the fly ash into a storage cabin to obtain fly ash condensation blocks convenient to transport;
the method achieves the effects of treating and recycling the fly ash discharged by the fire coal, separating unburnt coal particles contained in fly ash smoke discharged by the fire coal, preventing the fly ash from being recycled due to the fact that the fly ash contains more coal particles, removing the fly ash attached to the surfaces of the coal particles, recycling the coal particles, improving the utilization rate of resources, simultaneously condensing the fly ash, avoiding secondary pollution to the environment and reducing harm to the environment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a coal particle separating mechanism according to the present invention;
FIG. 3 is a schematic structural diagram of a coal particle cleaning mechanism according to the present invention;
FIG. 4 is a schematic structural view of a fly ash collection mechanism of the present invention;
fig. 5 is a schematic structural view of the blanking baffle of the invention.
The parts are labeled as follows: 1: chassis, 2: support frame, 3: control screen, 4: step motor, 5: coal particle separating mechanism, 6: coal particle cleaning mechanism, 7: fly ash collecting mechanism, 8: storage compartment, 501: feed inlet, 502: separation capsule, 503: buffer plate, 504: a filter screen, 505: first fan, 506: striker plate, 507: spring, 508: fixed base plate, 509: discharge swash plate, 5010: fly ash staging compartment, 5011: fixed shaft, 5012: first material collecting plate, 5013: second material collecting plate, 5014: discharge tube, 5015: universal coupling, 5016: first spur gear, 5017: second spur gear, 5018: third spur gear, 5019: fourth spur gear, 5020: first electric putter, 5021: first column gear, 5022: first bevel gear, 5023: second bevel gear, 601: third bevel gear, 602: fourth bevel gear, 603: first drive wheel, 604: second transmission wheel, 605: rotating chassis, 606: first T-bar, 607: second T-bar, 608: coal particle cleaning cabin, 609: first feeding port, 6010: second fan, 6011: cambered surface bottom plate, 6012: discharge port, 6013: conveying pipeline, 701: fly ash condensation cabin, 702: second inlet port, 703: third feeding port, 704: screw, 705: partition plate, 706: cylinder, 707: aggregate pusher, 708: shaped solidifying plate, 709: gusset plate, 7010: second electric putter, 7011: fifth spur gear, 7012: second column gear, 7013: third drive wheel, 7014: fourth drive wheel, 7015: sixth flat gear, 7016: fifth bevel gear, 7017: sixth bevel gear, 7018: fifth drive wheel, 7019: sixth drive wheel, 7020: round pin, 7021: sheave, 7022: a seventh transmission wheel, 7023: eighth drive wheel, 7024: seventh bevel gear, 7025: eighth bevel gear, 7026: ninth drive wheel, 7027: tenth drive wheel, 7028: blanking baffle, 7029: and (6) receiving the material pipe.
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.
Example 1
A fly ash recovery pretreatment device is shown in figures 1-5 and comprises a bottom frame 1, a support frame 2, a control screen 3, a stepping motor 4, a coal particle separation mechanism 5, a coal particle cleaning mechanism 6, a fly ash collection mechanism 7 and a storage cabin 8; welding the underframe 1 and the support frame 2; a stepping motor 4 is arranged above the underframe 1; a fly ash collecting mechanism 7 is arranged above the bottom frame 1; a storage cabin 8 is arranged above the underframe 1; the support frame 2 is connected with the control screen 3; a coal particle separating mechanism 5 and a coal particle cleaning mechanism 6 are sequentially arranged below the supporting frame 2; the support frame 2 is connected with a fly ash collecting mechanism 7; the stepping motor 4 is connected with the coal particle separating mechanism 5; the coal particle separation mechanism 5 is connected with the coal particle cleaning mechanism 6; the coal particle separation mechanism 5 is connected with the fly ash collection mechanism 7; the coal particle cleaning mechanism 6 is connected with the fly ash collecting mechanism 7; the fly ash collecting mechanism 7 is connected with a storage cabin 8.
The working principle is as follows: when the device is used, the device is horizontally fixed at a position required by a thermal power plant through the bottom frame 1 and the support frame 2, the power supply is switched on, an operator allocates the device through the control screen 3, firstly, the feed inlet 501 is connected with a pipeline for discharging fly ash smoke from fire coal, then the operator starts the stepping motor 4 through the control screen 3, then the fly ash smoke discharged from the fire coal enters the coal particle separation mechanism 5 through the feed inlet 501, as the fly ash smoke discharged from the fire coal contains part of unburnt coal particles, the entering fly ash smoke separates the unburnt coal particles in the coal particle separation mechanism 5, then the fly ash separating the unburnt coal particles enters the fly ash collection mechanism 7, and the separated coal particles enter the coal particle cleaning mechanism 6, then the entering coal particles are stirred through the coal particle cleaning mechanism 6, and simultaneously air with specified intensity is blown into the coal particles, a small amount of fly ash attached to the surface of coal particles is further separated by wind power to obtain the coal particles without fly ash, meanwhile, the fly ash is firstly mixed with lime in a fly ash collecting mechanism 7 to enable the fly ash to generate coagulability and strength, then the fly ash is coagulated into a fixed shape, finally the fly ash is collected and sent into a storage cabin 8 to obtain fly ash coagulated blocks convenient to transport.
The coal particle separation mechanism 5 comprises a feed inlet 501, a separation cabin 502, a buffer plate 503, a filter screen 504, a first fan 505, a baffle plate 506, a spring 507, a fixed bottom plate 508, a discharge inclined plate 509, a fly ash aggregation cabin 5010, a fixed rotating shaft 5011, a first aggregate plate 5012, a second aggregate plate 5013, a discharge pipe 5014, a universal coupling 5015, a first flat gear 5016, a second flat gear 5017, a third flat gear 5018, a fourth flat gear 5019, a first electric push rod 5020, a first column gear 5021, a first bevel gear 5022 and a second bevel gear 5023; the feed port 501 is welded with the separation cabin 502; the separation cabin 502 is connected with a buffer plate 503; the pod 502 is connected to a screen 504; one side of the separation cabin 502 is connected with a first fan 505, and the other side of the separation cabin 502 is connected with a striker plate 506; the pod 502 is welded to the bedplate 508; the separation chamber 502 is welded with a discharge sloping plate 509; the separation cabin 502 is welded with the fly ash staging cabin 5010; the striker plate 506 is welded with the spring 507; the spring 507 is welded with the fixed bottom plate 508; the fly ash aggregation cabin 5010 is connected with the fixed rotating shaft 5011; the fly ash aggregation cabin 5010 is welded with a discharge pipe 5014; the fixed rotating shaft 5011 is in rotating connection with the first collecting plate 5012; the fixed rotating shaft 5011 is in rotating connection with the second collecting plate 5013; the fixed rotating shaft 5011 is in rotating connection with the universal coupling 5015; the universal coupling 5015 is in rotating connection with the first flat gear 5016 through a transmission rod; the first flat gear 5016 meshes with the second flat gear 5017; the second flat gear 5017 is in rotational connection with the third flat gear 5018 through a transmission rod; a third flat gear 5018, a fourth flat gear 5019 is arranged on one side of the fourth flat gear 5019 close to the first flat gear 5016; the fourth flat gear 5019 is in sleeve joint with the first electric push rod 5020; the fourth spur gear 5019 is engaged with the first column gear 5021; the first column gear 5021 is rotationally connected with a first bevel gear 5022 through a transmission rod; the first bevel gear 5022 is engaged with the second bevel gear 5023; the separation cabin 502 is connected with the support frame 2; the discharging sloping plate 509 is connected with the coal particle cleaning mechanism 6; the discharge pipe 5014 is connected with a fly ash collecting mechanism 7; the second bevel gear 5023 is connected with the stepping motor 4; the second bevel gear 5023 is connected with the fly ash collecting mechanism 7.
Firstly, a feed inlet 501 is connected with a pipeline for discharging fly ash flue gas from coal, then an operator starts a stepping motor 4 through a control screen 3, then the fly ash flue gas discharged from the coal enters a separation cabin 502 through the feed inlet 501, the entering fly ash flue gas firstly contacts a buffer plate 503, and a large amount of fly ash stays on the buffer plate 503, so that the fly ash flue gas is prevented from containing a large amount of kinetic energy to directly impact the filter screen 504 to influence the filtering effect of the filter screen 504 on coal particles after being discharged, when the fly ash above the buffer plate 503 reaches the limited weight borne by the buffer plate 503, the buffer plate 503 rotates due to the gravity action of the fly ash to make the fly ash fall onto the filter screen 504, because the fly ash flue gas discharged from the coal contains part of unburnt coal particles, the coal particles stay on the filter screen 504 through the action of the filter screen 504, the fly ash continuously falls onto a fly ash aggregation cabin 5010 through the filter screen, after the coal particles on the filter screen 504 accumulate to the limited weight, the transverse thrust on the baffle 506 is larger than the supporting force of the spring 507 on the baffle 506, at this time, the baffle 506 starts to compress the spring 507, the fixed bottom plate 508 fixes the spring 507, after the baffle 506 is opened, the coal particles enter the coal particle cleaning mechanism 6 through the discharging inclined plate 509, at the same time, the first fan 505 is started to blow up part of the coal particles blocked in the filter screen 504 due to the irregular shape of the coal particles to ensure the smoothness of the filter screen 504, at this time, a fly ash layer is accumulated on the side surface of the fly ash aggregation cabin 5010 close to the fixed rotating shaft 5011, at this time, the first bevel gear 5022 is driven to continue to rotate through the rotation of the second bevel gear 5023, the first column gear 5021 is further driven to continue to rotate, the fourth flat gear 5019 is further driven to continue to rotate, the first electric push rod 5020 pushes the fourth flat gear 5019 upwards to be meshed with the third flat gear 5018, the fourth flat gear 5019 is meshed, and then drive the second flat gear 5017 to rotate and the second flat gear 5017 engages the first flat gear 5016 to rotate, and then drive the fixed spindle 5011 to rotate through the universal shaft 5015, and then make the first aggregate board 5012 and the second aggregate board 5013 rotate and sweep the layer of fly ash in the fly ash collecting cabin 5010, make the accumulated fly ash layer gather into a straight line and enter the fly ash collecting mechanism 7 through the discharge pipe 5014, because the drive ratio of the second flat gear 5017 and the first flat gear 5016 is small to large, slow down the rotational speed of the first aggregate board 5012 and the second aggregate board 5013, avoid the fly ash to raise up because of the over-large rotational speed, this mechanism has realized that separates the fly ash that discharges the inside contains the unburned coal granule that the fuel coal discharges, prevent the fly ash from having more coal granule content and making the performance of fly ash reuse reduce.
The coal particle cleaning mechanism 6 comprises a third bevel gear 601, a fourth bevel gear 602, a first driving wheel 603, a second driving wheel 604, a rotating chassis 605, a first T-shaped rod 606, a second T-shaped rod 607, a coal particle cleaning cabin 608, a first feeding hole 609, a second fan 6010, an arc bottom plate 6011, a discharging hole 6012 and a conveying pipe 6013; the third bevel gear 601 is meshed with the fourth bevel gear 602; the fourth bevel gear 602 is rotationally connected with the first driving wheel 603 through a driving rod; the outer ring surface of the first driving wheel 603 is in driving connection with a second driving wheel 604 through a belt; the second transmission wheel 604 is rotationally connected with the rotating chassis 605 through a transmission rod; a first T-shaped rod 606 and a second T-shaped rod 607 are sequentially arranged below the rotating chassis 605; the rotating chassis 605 is connected with the coal particle cleaning cabin 608; a first feeding hole 609 is formed above the coal particle cleaning cabin 608; the coal particle cleaning cabin 608 is connected with a second fan 6010; the coal particle cleaning cabin 608 is welded with an arc bottom plate 6011; a discharge hole 6012 is arranged below the coal particle cleaning cabin 608; a discharge hole 6012 is spliced with a material conveying pipe 6013; the third bevel gear 601 is connected with the fly ash collecting mechanism 7; the first driving wheel 603 is connected with the supporting frame 2; the second driving wheel 604 is connected with the support frame 2; the coal particle cleaning cabin 608 is connected with the support frame 2; the first feeding hole 609 is connected with the discharging inclined plate 509; the material delivery pipe 6013 is connected to the fly ash collecting mechanism 7.
After coal particles enter a coal particle cleaning cabin 608 through a first feeding port 609, a fourth bevel gear 602 is driven to rotate through rotation of a third bevel gear 601, a first driving wheel 603 is driven to rotate, a second driving wheel 604 is driven to rotate, a rotating chassis 605 is driven to rotate, a first T-shaped rod 606 and a second T-shaped rod 607 are driven to stir the entering coal particles, the coal particles are enabled to roll ceaselessly due to the action of a cross rod of the first T-shaped rod 606 and a cross rod of the second T-shaped rod 607, a second fan 6010 is started at the same time, flying ash attached to the surfaces of the coal particles is separated from the surfaces of the coal particles through the blowing and stirring actions of wind power, the flying ash floats, and the flying ash is enabled to reach a gap 608 between an arc bottom plate 6011 and the coal particle cleaning cabin through the arc surface under the action of the wind power because the arc bottom plate 6011 is an arc surface at the side far away from the first T-shaped rod 606, and then enter the conveying pipe 6013 through the discharge port 6012, and the coal particles cannot cross the arc surface of the arc-surface bottom plate 6011 due to the self gravity, so that the mechanism can remove fly ash attached to the surfaces of the coal particles, reuse the coal particles, and improve the utilization rate of resources.
The fly ash collecting mechanism 7 comprises a fly ash coagulating cabin 701, a second feeding port 702, a third feeding port 703, a screw 704, a separation plate 705, a cylinder 706, a coagulating push rod 707, a special-shaped coagulating plate 708, a connecting plate 709, a second electric push rod 7010, a fifth flat gear 7011, a second column gear 7012, a third driving wheel 7013, a fourth 70driving wheel 14, a sixth flat gear 7015, a fifth bevel gear 7016, a sixth bevel gear 7017, a fifth driving wheel 7018, a sixth driving wheel 7019, a round pin 7020, a grooved wheel 7021, a seventh driving wheel 7022, an eighth driving wheel 7023, a seventh bevel gear 7024, an eighth bevel gear 7025, a ninth driving wheel 7026, a tenth driving wheel 7027, a blanking baffle 7028 and a material receiving pipe 7029; a second feeding port 702 and a third feeding port 703 are sequentially arranged above the fly ash condensation cabin 701; the fly ash condensation cabin 701 is rotationally connected with a screw 704; the fly ash condensation cabin 701 is connected with a partition plate 705; the fly ash condensation cabin 701 is connected with a cylinder 706; the fly ash condensation cabin 701 is spliced with a condensation material push rod 707; the screw 704 is rotationally connected with a third driving wheel 7013; the partition 705 is sleeved with the cylinder 706; the material condensing push rod 707 is welded with the special-shaped material condensing plate 708; the condensed material push rod 707 is welded with the connecting plate 709; the connecting plate 709 is connected with the second electric putter 7010; the connecting plate 709 is in transmission connection with the fifth flat gear 7011; the fifth spur gear 7011 is meshed with the second spur gear 7012; the second column gear 7012 is rotationally connected with a fourth driving wheel 7014 through a driving rod; a sixth spur gear 7015 is arranged above the second column gear 7012; the outer ring surface of the third driving wheel 7013 is in driving connection with a fourth driving wheel 7014 through a belt; the sixth spur gear 7015 is rotationally connected to the fifth bevel gear 7016 via a transmission rod; the fifth gear 7016 meshes with the sixth gear 7017; the sixth bevel gear 7017 is rotationally connected with a fifth driving wheel 7018 through a driving rod; the outer ring surface of the fifth driving wheel 7018 is in driving connection with a sixth driving wheel 7019 through a belt; the sixth driving wheel 7019 is rotationally connected with the round pin 7020 through a driving rod; the round pin 7020 is in transmission connection with the grooved pulley 7021; the grooved pulley 7021 is in rotary connection with a seventh driving wheel 7022 through a driving rod; the outer ring surface of the seventh driving wheel 7022 is in transmission connection with an eighth driving wheel 7023 through a belt; the eighth driving wheel 7023 is rotationally connected with the seventh bevel gear 7024 through a driving rod; the seventh gear 7024 meshes with the eighth gear 7025; the eighth bevel gear 7025 is rotationally connected with a ninth driving wheel 7026 through a driving rod; the outer ring surface of the ninth driving wheel 7026 is in driving connection with a tenth driving wheel 7027 through a belt; the tenth driving wheel 7027 is rotationally connected with the blanking baffle 7028 through a driving rod; a material receiving pipe 7029 is arranged below the blanking baffle 7028; the fly ash condensation cabin 701 is connected with the underframe 1; the fly ash condensation cabin 701 is connected with a material conveying pipe 6013; the second feeding port 702 is connected with a discharging pipe 5014; the second electric push rod 7010 is connected with the underframe 1; the second column gear 7012 is connected with the second bevel gear 5023; the third driving wheel 7013 is connected with a third bevel gear 601; the fifth driving wheel 7018 is connected with the chassis 1; the sixth driving wheel 7019 is connected with the chassis 1; the seventh driving wheel 7022 is connected with the chassis 1; the eighth driving wheel 7023 is connected with the chassis 1; the tenth driving wheel 7027 is connected with the chassis 1; the material receiving pipe 7029 is connected to the storage tank 8.
When fly ash enters the fly ash condensation cabin 701 through the second feeding port 702, lime is added into the fly ash through the third feeding port 703 to enhance the condensation force of the fly ash, at this time, the second column gear 7012 rotates to drive the fourth driving wheel 7014 to rotate, further, the third driving wheel 7013 is driven to rotate, further, the screw 704 is driven to stir the fly ash and the lime, at the same time, the stirred fly ash is moved to one side of the cylinder 706, when the condensation force of the fly ash reaches a specified strength, the cylinder 706 is started to rotate the partition plate 705, so that the fly ash slides down to one side of the special-shaped condensation plate 708 far away from the condensation push rod 707, when all fly ash slide down to a specified position, the connecting plate 709 is pushed through the second electric push rod 7010, further, the special-shaped condensation plate 708 is pushed through the condensation push rod 707, so that a specified amount of fly ash is extruded into a fixed shape by the special-shaped condensation plate 708, one side of, a plane is arranged above the special-shaped solidifying plate 708, so that the plane above the special-shaped solidifying plate 708 separates the rest of the fly ash, the fly ash is extruded into a cylinder shape by the arc surface, at the moment, the fifth flat gear 7011 is synchronously pushed to a position meshed with the sixth flat gear 7015, the fifth flat gear 7011 is meshed with the fifth flat gear 7011 through the second cylindrical gear 7012 to rotate, the sixth flat gear 7015 is driven to rotate, the fifth bevel gear 7016 is driven to rotate, the sixth bevel gear 7017 is driven to rotate, the fifth driving wheel 7018 is driven to rotate, the sixth driving wheel 7019 is driven to rotate, the round pin 7020 is driven to rotate, when the round pin 7020 enters the slot of the slot wheel 7021, the round pin 7020 rotates to drive the slot 7021 to rotate ninety degrees, when the round pin 7020 slides out of the slot wheel 7021, the slot wheel 7021 stops rotating, at the round pin 7020 rotates to drive the slot wheel 7021 to rotate intermittently, and the seventh driving wheel 7022 to rotate, and then drive the eighth drive wheel 7023 to rotate, and then drive the seventh bevel gear 7024 to rotate, and then drive the eighth bevel gear 7025 to rotate, and then drive the ninth drive wheel 7026 to rotate, and then drive the tenth drive wheel 7027 to rotate, and then make the blanking baffle 7028 rotate, make the cylindrical through round hole that the blanking baffle 7028 has inside aim at the lower side of the special-shaped congealing plate 708, make the fly ash congealing piece after squeezing enter connect in the feed pipe 7029 through the cylindrical through round hole that the blanking baffle 7028 has inside, and then enter the storage tank 8, after the second electric push rod 7010 is pulled back, the blanking baffle 7028 blocks the blanking mouth of the fly ash congealing tank 701 again, this organization has realized that the fly ash is squeezed into after the congealing piece and has the adhesion, have facilitated the movement transportation to the fly ash.
Wherein, the side of the first collecting plate 5012 far away from the filter screen 504 is provided with a smooth bevel.
The friction force of the fly ash to the plane is increased through the action of the inclined plane, so that the sweeping action effect of the first aggregate plate 5012 to the fly ash is enhanced.
Wherein, one side of the bottom arc board 6011 away from the first T-shaped rod 606 is a quarter arc surface.
The coal particles cannot cross the arc surface of the arc bottom plate 6011 due to the gravity of the coal particles, so that the fly ash attached to the surfaces of the coal particles is removed.
Wherein, one side of the special-shaped coagulating plate 708 close to the coagulating push rod 707 is a half arc surface, and the upper part of the special-shaped coagulating plate 708 is a plane.
The plane above the shaped aggregate plate 708 separates the rest of the fly ash, and the arc surface extrudes the fly ash into a cylinder.
Wherein the round pin 7020 is matched with the slot in the sheave 7021.
The round pin 7020 drives the grooved pulley 7021 to rotate ninety degrees intermittently, and the blanking and blocking functions of the fly ash coagulated blocks are matched with the blanking baffle 7028.
Wherein, the blanking baffle 7028 is internally provided with two groups of symmetrical through round holes.
So that the blanking baffle 7028 has blanking and blocking effects on the fly ash agglomerates.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (9)
1. A fly ash recovery pretreatment device is characterized by comprising a bottom frame (1), a support frame (2), a control screen (3), a stepping motor (4), a coal particle separation mechanism (5), a coal particle cleaning mechanism (6), a fly ash collection mechanism (7) and a storage cabin (8); the underframe (1) is welded with the support frame (2); a stepping motor (4) is arranged above the bottom frame (1); a fly ash collecting mechanism (7) is arranged above the bottom frame (1); a storage cabin (8) is arranged above the underframe (1); the support frame (2) is connected with the control screen (3); a coal particle separating mechanism (5) and a coal particle cleaning mechanism (6) are sequentially arranged below the supporting frame (2); the support frame (2) is connected with the fly ash collecting mechanism (7); the stepping motor (4) is connected with the coal particle separating mechanism (5); the coal particle separation mechanism (5) is connected with the coal particle cleaning mechanism (6); the coal particle separation mechanism (5) is connected with the fly ash collection mechanism (7); the coal particle cleaning mechanism (6) is connected with the fly ash collecting mechanism (7); the fly ash collecting mechanism (7) is connected with the storage cabin (8).
2. The fly ash recycling pretreatment device according to claim 1, wherein the coal particle separation mechanism (5) comprises a feed inlet (501), a separation cabin (502), a buffer plate (503), a filter screen (504), a first fan (505), a baffle plate (506), a spring (507), a fixed bottom plate (508), a discharge inclined plate (509), a fly ash aggregation cabin (5010), a fixed rotating shaft (5011), a first aggregation plate (5012), a second aggregation plate (5013), a discharge pipe (5014), a universal coupling shaft (5015), a first flat gear (5016), a second flat gear (5017), a third flat gear (5018), a fourth flat gear (5019), a first electric push rod (5020), a first column gear (5021), a first bevel gear (5022) and a second bevel gear (5023); the feeding port (501) is welded with the separation cabin (502); the separation cabin (502) is connected with a buffer plate (503); the separation cabin (502) is connected with the filter screen (504); one side of the separation cabin (502) is connected with a first fan (505), and the other side of the separation cabin (502) is connected with a striker plate (506); the separation cabin (502) is welded with the fixed bottom plate (508); the separation cabin (502) is welded with the discharging inclined plate (509); the separation cabin (502) is welded with the fly ash aggregation cabin (5010); the material baffle plate (506) is welded with the spring (507); the spring (507) is welded with the fixed bottom plate (508); the fly ash aggregation cabin (5010) is connected with the fixed rotating shaft (5011); the fly ash aggregation cabin (5010) is welded with the discharge pipe (5014); the fixed rotating shaft (5011) is in rotating connection with the first material collecting plate (5012); the fixed rotating shaft (5011) is in rotating connection with the second material collecting plate (5013); the fixed rotating shaft (5011) is in rotating connection with the universal coupling (5015); the universal coupling (5015) is in rotary connection with the first flat gear (5016) through a transmission rod; the first flat gear (5016) is meshed with the second flat gear (5017); the second flat gear (5017) is in rotary connection with the third flat gear (5018) through a transmission rod; a third flat gear (5018), wherein a fourth flat gear (5019) is arranged on one side, close to the first flat gear (5016), of the fourth flat gear (5019); the fourth flat gear (5019) is sleeved with the first electric push rod (5020); the fourth flat gear (5019) is meshed with the first column gear (5021); the first column gear (5021) is in rotary connection with the first bevel gear (5022) through a transmission rod; the first bevel gear (5022) is meshed with the second bevel gear (5023); the separation cabin (502) is connected with the support frame (2); the discharging inclined plate (509) is connected with the coal particle cleaning mechanism (6); the discharge pipe (5014) is connected with the fly ash collecting mechanism (7); the second bevel gear (5023) is connected with the stepping motor (4); the second bevel gear (5023) is connected with a fly ash collecting mechanism (7).
3. The fly ash recycling pretreatment device of claim 2, wherein the coal particle cleaning mechanism (6) comprises a third bevel gear (601), a fourth bevel gear (602), a first driving wheel (603), a second driving wheel (604), a rotating chassis (605), a first T-shaped rod (606), a second T-shaped rod (607), a coal particle cleaning cabin (608), a first feeding port (609), a second fan (6010), a cambered bottom plate (6011), a discharging port (6012) and a conveying pipe (6013); the third bevel gear (601) is meshed with the fourth bevel gear (602); the fourth bevel gear (602) is in rotary connection with the first driving wheel (603) through a driving rod; the outer ring surface of the first transmission wheel (603) is in transmission connection with a second transmission wheel (604) through a belt; the second transmission wheel (604) is rotationally connected with the rotating chassis (605) through a transmission rod; a first T-shaped rod (606) and a second T-shaped rod (607) are sequentially arranged below the rotating chassis (605); the rotary chassis (605) is connected with the coal particle cleaning cabin (608); a first feeding port (609) is arranged above the coal particle cleaning cabin (608); the coal particle cleaning cabin (608) is connected with a second fan (6010); the coal particle cleaning cabin (608) is welded with the cambered surface bottom plate (6011); a discharge hole (6012) is arranged below the coal particle cleaning cabin (608); the discharge hole (6012) is spliced with a material conveying pipe (6013); the third bevel gear (601) is connected with the fly ash collecting mechanism (7); the first driving wheel (603) is connected with the supporting frame (2); the second transmission wheel (604) is connected with the support frame (2); the coal particle cleaning cabin (608) is connected with the support frame (2); the first feeding hole (609) is connected with a discharge inclined plate (509); the material conveying pipe (6013) is connected with the fly ash collecting mechanism (7).
4. The fly ash recycling pretreatment device according to claim 3, wherein the fly ash collecting mechanism (7) comprises a fly ash coagulating cabin (701), a second feeding port (702), a third feeding port (703), a screw (704), a partition plate (705), a cylinder (706), a coagulating push rod (707), a special-shaped coagulating plate (708), a connecting plate (709), a second electric push rod (7010), a fifth flat gear (7011), a second cylindrical gear (7012), a third driving wheel (7013), a fourth driving wheel (7014), a sixth flat gear (7015), a fifth bevel gear (7016), a sixth bevel gear (7017), a fifth driving wheel (7018), a sixth driving wheel (7019), a round pin (7020), a sheave (7021), a seventh driving wheel (7022), an eighth driving wheel (7023), a seventh bevel gear (7024), an eighth bevel gear (7025), a ninth driving wheel (7026), A tenth driving wheel (7027), a blanking baffle (7028) and a material receiving pipe (7029); a second feeding port (702) and a third feeding port (703) are sequentially arranged above the fly ash condensation cabin (701); the fly ash condensation cabin (701) is rotationally connected with the screw (704); the fly ash condensation cabin (701) is connected with the partition plate (705); the fly ash condensation cabin (701) is connected with the cylinder (706); the fly ash condensation cabin (701) is spliced with a condensation material push rod (707); the screw rod (704) is rotationally connected with a third driving wheel (7013); the separation plate (705) is sleeved with the air cylinder (706); the material condensing push rod (707) is welded with the special-shaped material condensing plate (708); the condensed material push rod (707) is welded with the connecting plate (709); the connecting plate (709) is connected with a second electric push rod (7010); the connecting plate (709) is in transmission connection with a fifth flat gear (7011); the fifth flat gear (7011) is meshed with the second column gear (7012); the second column gear (7012) is rotationally connected with a fourth driving wheel (7014) through a driving rod; a sixth flat gear (7015) is arranged above the second column gear (7012); the outer ring surface of the third driving wheel (7013) is in transmission connection with a fourth driving wheel (7014) through a belt; the sixth flat gear (7015) is in rotary connection with the fifth bevel gear (7016) through a transmission rod; the fifth bevel gear (7016) is meshed with the sixth bevel gear (7017); the sixth bevel gear (7017) is in rotary connection with the fifth driving wheel (7018) through a driving rod; the outer ring surface of the fifth driving wheel (7018) is in transmission connection with a sixth driving wheel (7019) through a belt; the sixth driving wheel (7019) is rotationally connected with the round pin (7020) through a driving rod; the round pin (7020) is in transmission connection with the grooved pulley (7021); the grooved pulley (7021) is rotationally connected with a seventh driving wheel (7022) through a driving rod; the outer ring surface of the seventh driving wheel (7022) is in transmission connection with an eighth driving wheel (7023) through a belt; the eighth driving wheel (7023) is rotationally connected with the seventh bevel gear (7024) through a driving rod; the seventh bevel gear (7024) is meshed with the eighth bevel gear (7025); the eighth bevel gear (7025) is rotationally connected with the ninth driving wheel (7026) through a driving rod; the outer ring surface of the ninth driving wheel (7026) is in transmission connection with a tenth driving wheel (7027) through a belt; the tenth driving wheel (7027) is rotationally connected with the blanking baffle (7028) through a driving rod; a material receiving pipe (7029) is arranged below the blanking baffle (7028); the fly ash condensation cabin (701) is connected with the bottom frame (1); the fly ash condensation cabin (701) is connected with a material conveying pipe (6013); the second feeding port (702) is connected with the discharging pipe (5014); the second electric push rod (7010) is connected with the underframe (1); the second column gear (7012) is connected with the second bevel gear (5023); the third driving wheel (7013) is connected with a third bevel gear (601); the fifth driving wheel (7018) is connected with the underframe (1); the sixth driving wheel (7019) is connected with the underframe (1); the seventh transmission wheel (7022) is connected with the underframe (1); the eighth driving wheel (7023) is connected with the underframe (1); the tenth driving wheel (7027) is connected with the underframe (1); the material receiving pipe (7029) is connected with the storage cabin (8).
5. The fly ash recycling pretreatment device of claim 4, wherein the side of the first material collecting plate (5012) far away from the filter screen (504) is provided with a smooth slope.
6. The fly ash recycling pretreatment device according to claim 5, wherein a side of the cambered bottom plate (6011) far away from the first T-shaped rod (606) is a quarter arc surface.
7. The fly ash recycling pretreatment device according to claim 6, wherein one side of the special-shaped coagulation plate (708) close to the coagulation push rod (707) is a half arc surface, and a plane is arranged above the special-shaped coagulation plate (708).
8. The fly ash recycling pretreatment device of claim 7, wherein the round pin (7020) is matched with the slot in the sheave (7021).
9. The fly ash recycling pretreatment device according to claim 8, wherein the blanking baffle (7028) has two symmetrical sets of through round holes inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010766734.6A CN111872051A (en) | 2020-08-03 | 2020-08-03 | Coal ash recycling pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010766734.6A CN111872051A (en) | 2020-08-03 | 2020-08-03 | Coal ash recycling pretreatment device |
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| Publication Number | Publication Date |
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| CN111872051A true CN111872051A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010766734.6A Withdrawn CN111872051A (en) | 2020-08-03 | 2020-08-03 | Coal ash recycling pretreatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301722A (en) * | 2022-10-09 | 2022-11-08 | 江苏盖亚环境科技股份有限公司 | Double-heat-source-reusing triple rotary kiln, double-layer rotary kiln and soil remediation system and process |
-
2020
- 2020-08-03 CN CN202010766734.6A patent/CN111872051A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115301722A (en) * | 2022-10-09 | 2022-11-08 | 江苏盖亚环境科技股份有限公司 | Double-heat-source-reusing triple rotary kiln, double-layer rotary kiln and soil remediation system and process |
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Application publication date: 20201103 |