CN109737417B - Garbage fermentation treatment device of garbage incineration power plant - Google Patents
Garbage fermentation treatment device of garbage incineration power plant Download PDFInfo
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- CN109737417B CN109737417B CN201910120695.XA CN201910120695A CN109737417B CN 109737417 B CN109737417 B CN 109737417B CN 201910120695 A CN201910120695 A CN 201910120695A CN 109737417 B CN109737417 B CN 109737417B
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- 238000000855 fermentation Methods 0.000 title claims abstract description 128
- 230000004151 fermentation Effects 0.000 title claims abstract description 128
- 238000012546 transfer Methods 0.000 claims abstract description 88
- 238000003860 storage Methods 0.000 claims abstract description 33
- 230000007306 turnover Effects 0.000 claims description 62
- 239000007788 liquid Substances 0.000 claims description 34
- 150000001875 compounds Chemical class 0.000 claims description 17
- 238000011068 loading method Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000002386 leaching Methods 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a garbage fermentation treatment device of a garbage incineration power plant, and belongs to the technical field of garbage incineration power generation and environmental protection. The method for stacking new and old garbage by directly dumping the original garbage into the garbage pool is changed. The garbage falls into the garbage transfer vehicle after the bags are broken, and the garbage transfer vehicle is piled on the storage frame of the preheating chamber through the driving device and the conveyor. And piling the preheated garbage on a storage frame of the fermentation chamber through a driving device and a conveyor to ferment and leach leachate. The fermented garbage is transported to the feeding hopper of the incinerator by the driving device and the conveyor for incineration power generation. Is beneficial to the garbage fermentation and leachate leaching in the northern areas with lower temperature, improves the heat value of the garbage, shortens the garbage fermentation time, and can realize the whole-course automation of garbage treatment. The garbage fermentation device has the characteristics of reasonable design, advanced function, good performance, full fermentation and high utilization rate of resources, and is suitable for garbage fermentation treatment of various garbage incineration power plants.
Description
Technical Field
The invention belongs to the technical field of garbage incineration power generation and environmental protection, and mainly relates to a garbage fermentation treatment device of a garbage incineration power plant, which is used for carrying out fermentation treatment on garbage in a low-temperature environment in a heating and heat preservation mode and generating power and supplying heat.
Background
The existing design of the garbage incineration power plant is that garbage trucks are directly dumped and piled up, all garbage is piled up together, and the grab bucket is manually operated to perform stack returning. In particular, in northern areas, low-temperature garbage and ice and snow in winter are mixed in the garbage, newly dumped garbage is mixed with the garbage which is originally being fermented, and cold air enters and the carried ice and snow rapidly reduce the temperature of the garbage pool under the negative pressure effect of the garbage pool during dumping, so that the garbage is slowly fermented or even cannot be fermented at low temperature, further, the heat value of the garbage is low, and some garbage cannot be combusted, so that the production dilemma of enterprises is caused. Meanwhile, the new and old garbage is separated and the garbage at the dead angle is accumulated at the bottom of the pool, so that the cleaning is difficult.
The patent document with the published application number of CN201310546590.3 in the state intellectual property office on 2014.3.26 day is named as a double-tank garbage storage warehouse and a garbage disposal method, and the scheme has the defects that the tops of the two tanks are communicated and not sealed, the scheme is applicable to areas with higher temperature in the south, but is not applicable to northern areas, when the discharging door of the garbage tank is opened, the negative pressure generated by a fan enables external cold air to be quickly poured into the garbage tank, the temperature of the poured garbage is extremely low and ice blocks and snow blocks are in communication, so that the temperature of the garbage in the middle and upper two tanks suddenly drops, the conditions of fermentation and water dripping cannot be met, and the garbage fermentation is blocked. The national intellectual property is in the patent document with the published application number of CN201220083414.1 of 2012.10.3, the name is "a wet evaporation fermentation system for household garbage incineration power plant winter garbage", steam is introduced into a garbage pool to heat garbage, which has a certain effect on garbage heating, but cold air filling caused by a frequently opened discharging bin door and newly poured low-temperature garbage still cannot guarantee the proper fermentation temperature of garbage, moreover, large space is difficult to heat.
Disclosure of Invention
The invention aims to provide a garbage fermentation treatment device of a garbage incineration power plant, which can be suitable for normally carrying out fermentation treatment on garbage and is used for incineration power generation under the environment with low temperature in winter, and can timely clean leachate leached from the garbage.
The invention is realized by the following technical scheme, comprising a garbage unloading chamber, a receiving chamber, a preheating chamber, a fermentation chamber, an incineration chamber and a return channel; the receiving chamber, the preheating chamber, the fermentation chamber and the incineration chamber are sequentially arranged along a certain direction, and the middle is isolated by a wall, and the device is characterized in that: the garbage discharging chamber is positioned beside the receiving chamber, a garbage discharging opening is arranged below the garbage discharging opening, a hopper positioned in the receiving chamber is connected with a bag breaking machine, and a loading position of the garbage transfer vehicle is arranged below the bag breaking machine;
an empty vehicle storage frame of more than or equal to 2 rows of garbage transfer vehicles is transversely arranged in the receiving chamber, the empty vehicle storage frame is more than or equal to 2 layers in the height direction, and only one layer of vehicle loading position frame is arranged near the garbage discharge opening; a track for the garbage transfer vehicle to walk is paved at the bottom of the storage frame of each emptying vehicle; a receiving chamber carrier is arranged on a track between the empty vehicle storage frame and the receiving chamber vehicle inlet end, and an empty vehicle ejector is arranged on a track between the empty vehicle storage frame and the receiving chamber vehicle outlet end; a garbage transfer vehicle empty receiving passage port is arranged on the wall of the vehicle inlet end of the receiving chamber;
the vehicle inlet end of the preheating chamber is connected with the vehicle outlet end of the receiving chamber, a preheating chamber frame of more than or equal to 2 rows of garbage transfer vehicles is transversely arranged in the preheating chamber, the preheating chamber frame is more than or equal to 2 layers in the height direction, and a track for the garbage transfer vehicles to travel is paved at the bottom in each row of preheating chamber frames; a preheating chamber conveyer is arranged on a track between a preheating chamber frame and a preheating chamber vehicle inlet end, and a preheating chamber compound conveyer is arranged on a track between the preheating chamber frame and a preheating chamber vehicle outlet end; a heating device is arranged at the bottom of the preheating chamber frame or between the frames; the wall between the preheating chamber and the receiving chamber is provided with more than or equal to 1 passage opening of the garbage transfer vehicle, and the passage opening is provided with a passage door and a passage opening track;
the fermentation chamber frame is not less than 2 layers in the height direction, and a track for the garbage transfer trolley to travel is paved at the bottom in each row of fermentation chamber frames; a fermentation chamber carrier is arranged on a track between the fermentation chamber frame and the fermentation chamber vehicle inlet end, and a fermentation chamber compound carrier is arranged on a track between the fermentation chamber frame and the fermentation chamber vehicle outlet end; a heating device is arranged at the bottom of the fermentation chamber frame or between the frames; the wall between the fermentation chamber and the preheating chamber is provided with 1-8 passage ports of the garbage transfer vehicle, and the passage ports are provided with passage doors and passage port rails; a passage port of the garbage transfer vehicle is arranged on a wall between the fermentation chamber and the incineration chamber, and is connected with a turnover machine in the incineration chamber;
the lower part of the turnover machine is provided with an incinerator charging hopper which is connected with the incinerator;
the turnover machine is connected with a return channel of the garbage transfer vehicle, the return channel is connected with an empty vehicle receiving channel port at the vehicle inlet end of the receiving chamber, and the return channel is inclined.
The garbage transfer vehicle is provided with a box body, and wheels are arranged below the box body; the bottom of the box body is provided with a leachate collecting box, and a grate is arranged on the collecting box; at the end of the garbage transfer vehicle, a separation block and a conduit which is convenient for the liquid-pumping steel pipe to be inserted into the leachate collecting box are arranged.
The receiving room conveyor, the preheating room conveyor and the fermenting room conveyor have the same structure and comprise a frame, a lifting bracket and a walking driving device; the walking driving device is arranged below the frame, and the lifting bracket is arranged on the frame; the lifting bracket is provided with a bracket lifting driving device, a turnover vehicle ejection oil cylinder, a turnover vehicle track and a turnover vehicle locking device.
The empty car ejector comprises a frame, a lifting bracket and a travelling driving device; the walking driving device is arranged below the frame, and the lifting bracket is arranged on the frame; the lifting bracket is provided with a bracket lifting driving device, a multistage ejection oil cylinder and a push plate.
The preheating chamber compound conveyor and the fermentation chamber compound conveyor have the same structure and comprise a frame, a traveling driving device, a lifting bracket, a leachate extraction device and a liquid storage tank; the traveling device is arranged below the frame, the lifting bracket is arranged on the frame, and the bracket lifting driving device, the turnover vehicle driving oil cylinder, the turnover vehicle track and the turnover vehicle locking device are arranged at the lower half part of the lifting bracket; the upper half part of the lifting bracket is provided with a liquid extracting device and a liquid storage tank, and the liquid extracting device comprises a liquid extracting pump, a liquid extracting pipe lifting device consisting of a winch and a steel wire rope, and a guide pipe for ensuring that the liquid extracting pipe accurately enters the transfer trolley guide pipe.
The turnover machine in the incinerator is characterized in that a turnover ring driven by a motor is arranged outside a turnover machine frame, a turnover vehicle track and a turnover vehicle fixing pressing block are arranged in the turnover machine frame, the turnover ring can rotate 180 degrees, and the lower surface of the turnover machine is connected with a feeding hopper of the incinerator.
In order to enable the static garbage transfer vehicle to walk, friction driving wheels for driving the transfer vehicle to walk are arranged at one end of the garbage transfer vehicle, which is close to the empty vehicle receiving passage port of the receiving chamber, the fermentation chamber frame, which is close to the fermentation chamber and the incineration chamber passage port, and the loading position frame; in order to ensure that the garbage transfer vehicle in the fermentation chamber can automatically move towards the direction of the passage opening, the garbage transfer vehicle track in the fermentation chamber frame in the fermentation chamber is obliquely arranged towards the directions of the passage openings of the fermentation chamber and the incineration chamber.
In order to ensure that the temperature in the fermentation chamber and the preheating chamber is not reduced and lost, hot air curtains are arranged at the passage openings between the fermentation chamber and the preheating chamber and between the preheating chamber and the receiving chamber.
In order to meet the requirements of garbage treatment in different environments in different areas, the garbage fermentation treatment device is not provided with a preheating chamber, and the receiving chamber is directly connected with the fermentation chamber; the garbage transfer vehicle can be made into a transfer box, and a roller way conveying device is arranged on the passing device for running and transferring.
The invention has the beneficial effects that when garbage is treated in a low-temperature environment or in northern winter, the garbage can be heated in the preheating chamber and the ice and snow are melted, and when the temperature reaches a certain value, the garbage is transferred into the fermentation chamber for fermentation. The fermentation chamber can provide a good constant temperature rapid fermentation environment, so that the garbage can be rapidly fermented, the heat value of the garbage is improved, the garbage fermentation time is shortened, and the gas yield is improved. Because the garbage is stored and circulated in the garbage circulation vehicle, the accumulation of the original garbage at the bottom layer and corners of the pool bottom is avoided, and the cleaning cost is saved. The whole process automation of garbage receiving, fermenting treatment and feeding into the feeding hopper of the incinerator for incineration is completed by adopting a computer for control and management. The method has the characteristics of reasonable design, advanced function, good performance, full fermentation and high resource utilization rate, and is suitable for garbage fermentation treatment of various municipal garbage incineration power plants.
Drawings
FIG. 1 is a schematic overall layout of the present invention;
FIG. 2 is a schematic diagram of the structure of the receiving chamber, preheating chamber and fermenting chamber handler;
FIG. 3 is a schematic view of a partial structure of an empty ejector;
FIG. 4 is a schematic view in section A-A of the waste receiving chamber;
FIG. 5 is a schematic view in section B-B of a refuse receptacle;
FIG. 6 is a schematic cross-sectional view of the refuse transfer vehicle;
FIG. 7 is a schematic view of a partial structure of a composite handler of a preheating chamber and a fermenting chamber;
FIG. 8 is a schematic view of the structure of the preheating chamber in section B-B;
FIG. 9 is a schematic A-A cross-sectional view of the fermentation chamber;
FIG. 10 is a schematic view of a tilter and associated structure;
fig. 11 is a block diagram of a refuse transfer vehicle turnover route, with solid arrows for the refuse transfer vehicle turnover route and open arrows for other applications.
In the figure, 1 is incinerator, 2 is incineration chamber, 3 is turnover machine, 4 is fermentation chamber and incineration chamber channel opening, 5 is fermentation chamber composite carrier, 6 is fermentation chamber frame, 7 is fermentation chamber, 8 is fermentation chamber carrier, 9 is preheating chamber composite carrier, 10 is preheating chamber frame, 11 is preheating chamber, 12 is preheating chamber carrier, 13 is empty car ejector, 14 is receiving chamber empty car storage frame, 15 is receiving chamber, 16 is receiving chamber carrier, 17 is empty car receiving channel opening, 18 is garbage turnover car, 19 is garbage turnover car return channel, 20 is return channel friction driving wheel, 21 is unloading chamber door, 22 is discharge opening, 23 is discharge chamber, 24 is walking driving device, 25 is frame, 26 is turnover car ejection cylinder, 27 is connecting plate, 28 is lifting bracket, 29 is locking block, 30 is connecting plate locking block, 31 is bracket lifting driving device, 32 is carrier wheel 33 is hydraulic pump, 34 is multistage hydraulic cylinder, 35 is piston rod, 36 is push plate, 37 is push plate small wheel, 38 is garbage transfer vehicle track, 39 is conveyor track, 40 is hopper, 41 is bag breaker, 42 is loading position frame, 43 is receiving chamber to preheating chamber passage port, 44 is loading position friction drive wheel, 45 is box, 46 is conduit on vehicle body, 47 is grate fixed block, 48 is isolation block, 49 is grate, 50 leachate collecting box, 51 is turnover vehicle wheel, 52 is liquid discharge pump, 53 is drain pipe, 54 is liquid storage tank, 55 is liquid suction hose, 56 is liquid suction pipe lifting device, 57 is steel wire rope, 58 is liquid suction pipe, 59 is guide pipe, 60 is liquid suction pump, 61 heating device, 62 is hot air curtain, 63 is passage door, 64 is preheating chamber to fermentation chamber passage port, 65 is passage port track, 66 is fermentation chamber friction drive wheel, 66 is fermentation chamber, 67 is a turnover vehicle fixed pressing block, 68 is a turnover ring, 69 is a turnover machine frame, 70 is a turnover driving wheel, 71 is a turnover motor, and 72 is a charging hopper.
Detailed Description
Embodiments of the present invention are described below with reference to the accompanying drawings:
the invention comprises a garbage unloading chamber, a receiving chamber, a preheating chamber, a fermentation chamber, an incineration chamber and a return channel; the receiving chamber, the preheating chamber, the fermentation chamber and the burning chamber are sequentially arranged along a certain direction, and the middle is isolated by a wall. The garbage discharging chamber 23 is positioned beside the receiving chamber 15, a garbage discharging opening 22 is arranged, a hopper 40 and a bag breaker 41 are arranged in the receiving chamber 15 below the garbage discharging opening 22, and a loading space of the garbage transfer cart 18 is arranged below the bag breaker 41.
The receiving chamber 15 is internally provided with an empty car storage frame 14 of eight rows of garbage transfer cars 18 along the transverse direction, the empty car storage frame 14 has six layers in the height direction, and the loading position frame 42 near the garbage discharge opening 22 has only one layer; at the bottom of each emptying vehicle storage frame 14, a track for the garbage transfer vehicle 18 to travel is paved; a receiving chamber carrier 16 is arranged on a track between the empty vehicle storage frame 14 and the vehicle inlet end of the receiving chamber, and an empty vehicle ejector 13 is arranged on a track between the empty vehicle storage frame 14 and the vehicle outlet end of the receiving chamber 15; on the wall of the vehicle inlet end of the receiving chamber 15, an empty vehicle receiving passage opening 17 of the refuse transfer vehicle 18 is provided.
The vehicle inlet end of the preheating chamber 11 is connected with the vehicle outlet end of the receiving chamber 15, eight rows of preheating chamber frames 10 of garbage transfer vehicles 18 are transversely arranged in the preheating chamber 11, the preheating chamber frames 10 are six layers in the height direction, and tracks for the garbage transfer vehicles 18 to travel are paved at the bottom in each row of preheating chamber frames 10; a preheating chamber conveyer 12 is arranged on a track between a preheating chamber frame 10 and a preheating chamber vehicle inlet end, and a preheating chamber compound conveyer 9 is arranged on a track between the preheating chamber frame 10 and a preheating chamber vehicle outlet end; a heating device 61 is arranged at the bottom of the preheating chamber frame 10 or between the frames; on the wall between the preheating chamber 11 and the receiving chamber 15, a port 43 of the refuse transfer vehicle 18 is provided, and the port 43 is provided with a port door 63 and port rails.
The feeding end of the fermentation chamber 7 is connected with the discharging end of the preheating chamber 11, eight rows of fermentation chamber frames 6 of garbage transfer vehicles 18 are transversely arranged in the fermentation chamber 7, the fermentation chamber frames 6 are six layers in the height direction, and tracks for the garbage transfer vehicles 18 to travel are paved at the bottom of each row of fermentation chamber frames 6; a fermentation chamber conveyor 8 is arranged on a track between the fermentation chamber frame 6 and the fermentation chamber vehicle inlet end, and a fermentation chamber compound conveyor 5 is arranged on a track between the fermentation chamber frame 6 and the fermentation chamber vehicle outlet end; a heating device 61 is arranged at the bottom of the fermentation chamber frame 6 or between the frames; a passage opening 64 of the garbage transfer vehicle 18 is arranged on the wall between the fermentation chamber 7 and the preheating chamber 11, and a passage door 63 and a passage opening rail 65 are arranged on the passage opening 64; on the wall between the fermentation chamber 7 and the incineration chamber 2, a passage opening 4 of a refuse transfer vehicle 18 is provided, which passage opening 4 is connected to the inverter 3 in the incineration chamber 2.
Below the tilter 3 is an incinerator charging hopper 72, the incinerator charging hopper 72 being connected with the incinerator 1; the tilting machine 3 is connected to a return channel 19 of the refuse transfer vehicle, the return channel 19 being connected to an empty vehicle receiving channel opening 17 at the vehicle inlet end of the receiving chamber 15, the return channel 19 being inclined.
The garbage transfer vehicle 18 is provided with a box body 45, and wheels 51 are arranged below the box body 45; at the bottom of the tank 45, there is a leachate collecting tank 50, on which there is a grate 49; at the end of the refuse transfer 18, there are provided a spacer 48 and a conduit 46 for facilitating insertion of an extraction steel pipe 58 into a leachate collection tank 50.
The receiving room conveyor 16, the preheating room conveyor 12 and the fermenting room conveyor 8 have the same structure and comprise a frame 25, a lifting bracket 28 and a walking driving device 24; the walking driving device 24 is arranged below the frame 25, and the lifting bracket 28 is arranged on the frame 25; the lifting bracket 28 is provided with a bracket lifting driving device 31, a turnover roof oil outlet cylinder 26, a turnover vehicle track and a turnover vehicle locking device.
The empty wagon ejector 13 comprises a frame 25, a lifting bracket 28 and a travelling driving device; the walking driving device is arranged below the frame 25, and the lifting bracket 28 is arranged on the frame 25; the lifting bracket 28 is provided with a bracket lifting driving device 31, a multistage ejection cylinder 34 and a push plate 36.
The preheating chamber compound conveyor 9 and the fermenting chamber compound conveyor 5 have the same structure and comprise a frame 25, a traveling driving device, a lifting bracket 28, a leachate extraction device and a liquid storage tank 54; the travelling device is arranged below the frame 25, the lifting bracket 28 is arranged on the frame 25, and a bracket lifting driving device 31, a turnover vehicle driving oil cylinder, a turnover vehicle track and a turnover vehicle locking device are arranged at the lower half part of the lifting bracket 28; the upper half of the lifting bracket 28 is provided with a liquid extracting device and a liquid storage tank 54, wherein the liquid extracting device comprises a liquid extracting pump 60, a liquid extracting pipe lifting device 56 consisting of a winch and a steel wire rope 57, and a guide pipe 59 for ensuring that the liquid extracting pipe accurately enters the transfer car guide pipe 46.
The turnover machine 3 in the incineration chamber 2 is characterized in that a turnover ring 68 driven by a motor is arranged outside a turnover machine frame 69, a turnover vehicle track and a turnover vehicle fixing pressing block 67 are arranged in the turnover machine frame 69, the turnover ring 68 can rotate 180 degrees, and the lower surface of the turnover machine 3 is connected with a feeding hopper 72 of the incineration furnace 1.
In order to enable the static garbage transfer vehicle 18 to walk, friction driving wheels for driving the transfer vehicle to walk are arranged on one end of the garbage transfer vehicle returning passage 19, which is close to the empty vehicle receiving passage port 17 of the receiving chamber, the fermentation chamber frame 6, which is close to the fermentation chamber and incineration chamber passage port 4 and the loading position frame 42; in order to ensure that the garbage transfer vehicle 18 in the fermentation chamber 7 can automatically move towards the passage opening, the garbage transfer vehicle track in the fermentation chamber frame 6 in the fermentation chamber 7 is obliquely arranged towards the passage opening 4 of the fermentation chamber and the incineration chamber.
In order to ensure that the temperature inside the fermentation chamber 7 and the preheating chamber 11 does not decrease and run off, a curtain of hot air 62 is provided at the passage gates between the fermentation chamber 7 and the preheating chamber 11 and between the preheating chamber 11 and the receiving chamber 15.
To accommodate the need for different environmental waste disposal in different areas, the waste transfer cart 18 may be in the form of a transfer box with roller conveyor means arranged on the passing apparatus for operation and transfer.
When the garbage fermentation treatment apparatus is operated, the friction drive wheel located near the empty car receiving passage port 17 conveys the garbage transfer car 18 to the lifting carriage of the receiving room conveyor 16 in the receiving room 15. The garbage transfer truck 18 is directly sent to the loading space through the walking driving device and the bracket lifting driving device of the receiving room conveyor 16, or the lifting bracket on the conveyor is aligned with a receiving room empty truck storage frame 14 with a certain layer of empty space, and the garbage transfer truck 18 is pushed onto the receiving room empty truck storage frame 14 through the ejection oil cylinder on the conveyor. When the garbage transfer carriage 18 needs to be taken out from the empty carriage frame 14, the empty carriage is pushed onto the receiving-chamber conveyor 16 by the empty-carriage ejector 13 in the receiving chamber 15, and the receiving-chamber conveyor 16 conveys the empty carriage to the loading space for loading.
The garbage transfer carriage 18 filled with garbage is fed to the lifting carriage of the preheating chamber conveyor 12 in the preheating chamber 11 through a friction driving wheel at the loading position. The preheating chamber is transported to the preheating chamber frame 10 for preheating by the traveling and lifting of the preheating chamber conveyor 12. When the garbage in some garbage transfer vehicles 18 reaches the preheating temperature, aligning the preheating chamber conveyor 12 and the preheating chamber compound conveyor 9 with the garbage transfer vehicles 18 with a certain row of storage frames, ejecting the preheated garbage transfer vehicles on the storage frames onto the preheating chamber compound conveyor 9 by using the garbage transfer vehicles, simultaneously running the preheating chamber compound conveyor 9 and the fermentation chamber conveyor 8 of the fermentation chamber to the passage opening of the partition wall, opening the passage door, and conveying the garbage transfer vehicles 18 onto the fermentation chamber conveyor 8. The fermentation room conveyor 8 pushes the garbage transfer cart 18 into the fermentation room frame 6 for fermentation, and after fermentation, the garbage transfer cart 18 is sent into the fermentation room compound conveyor 5 under the driving of the friction driving wheel 66 on the fermentation room frame 6. The garbage is conveyed to the fermentation chamber and the incineration chamber passage opening 4 through the walking and lifting of the compound conveyor, then is conveyed to the turnover machine 3 in the incineration chamber 2, the fermented garbage is turned over and poured into the incinerator charging hopper 72, and the empty vehicle returns to the empty vehicle receiving passage opening of the receiving chamber through the return passage. The heating device 61 between the preheating chamber frame 10 and the bottom of the fermentation chamber frame 6 or between the frames can heat the garbage in the garbage transfer cart 18 or keep the optimal fermentation temperature, thereby being beneficial to full combustion and power generation.
When the garbage transfer truck 18 enters the composite conveyor, the composite conveyor starts the waste liquid pumping device to pump the leachate drained from the bottom of the garbage transfer truck 18 into the liquid storage tank 54 while carrying the garbage transfer truck. When the composite conveyor runs to the channel opening from the preheating chamber to the fermentation chamber and the channel opening from the fermentation chamber to the incineration chamber for transferring the garbage turnover box, the liquid discharge pipe is aligned with the receiving opening on the wall, and the liquid discharge pump works to discharge the leachate in the liquid storage box 54 out of the liquid storage box. The refuse transfer 18 on each row of frames is moved forward by pushing the rear carriage forward, or by moving forward by itself through an inclined track, or by driving the friction drive wheels.
Claims (7)
1. A garbage fermentation treatment device of a garbage incineration power plant comprises a garbage unloading chamber, a receiving chamber, a preheating chamber, a fermentation chamber, an incineration chamber and a return passage; the receiving chamber, the preheating chamber, the fermentation chamber and the incineration chamber are sequentially arranged along a certain direction, and the middle is isolated by a wall, and the device is characterized in that: the garbage discharging chamber (23) is positioned beside the receiving chamber (15), a garbage discharging opening (22) is arranged below the garbage discharging opening (22), a hopper (40) positioned in the receiving chamber (15) is connected with a bag breaking machine (41), and a loading position of the garbage transfer vehicle (18) is arranged below the bag breaking machine (41);
an empty vehicle storage frame (14) of more than or equal to 2 rows of garbage transfer vehicles (18) is transversely arranged in the receiving chamber (15), the empty vehicle storage frame (14) is more than or equal to 2 layers in the height direction, and only one layer of vehicle loading position frame (42) is arranged near the garbage discharge opening (22); a track for the garbage transfer vehicle (18) to walk is paved at the bottom in the storage frame (14) of each emptying vehicle; a receiving chamber carrier (16) is arranged on a track between the empty vehicle storage frame (14) and the vehicle inlet end of the receiving chamber, and an empty vehicle ejector (13) is arranged on a track between the empty vehicle storage frame (14) and the vehicle outlet end of the receiving chamber (15); a garbage transfer vehicle (18) empty vehicle receiving passage port (17) is arranged on the wall of the vehicle inlet end of the receiving chamber (15);
the vehicle inlet end of the preheating chamber (11) is connected with the vehicle outlet end of the receiving chamber (15), a preheating chamber frame (10) of more than or equal to 2 rows of garbage transfer vehicles (18) is transversely arranged in the preheating chamber (11), the preheating chamber frame (10) is more than or equal to 2 layers in the height direction, and a track for the garbage transfer vehicles (18) to travel is paved at the bottom in each row of the preheating chamber frame (10); a preheating chamber conveyer (12) is arranged on a track between a preheating chamber frame (10) and a preheating chamber vehicle inlet end, and a preheating chamber compound conveyer (9) is arranged on a track between the preheating chamber frame (10) and a preheating chamber vehicle outlet end; a heating device (61) is arranged at the bottom of the preheating chamber frame (10) or between the frames; on the wall between the preheating chamber (11) and the receiving chamber (15), there are more than or equal to 1 passage opening (43) of the garbage transfer vehicle (18), the passage opening (43) is equipped with the passage door (63) and passage opening orbit;
the fermentation chamber frame (6) of more than or equal to 2 rows of garbage transfer vehicles (18) is transversely arranged in the fermentation chamber (7), the fermentation chamber frame (6) is more than or equal to 2 layers in the height direction, and the track for the garbage transfer vehicles (18) to travel is paved at the bottom in each row of fermentation chamber frames (6); a fermentation chamber conveyor (8) is arranged on a track between the fermentation chamber frame (6) and the fermentation chamber vehicle inlet end, and a fermentation chamber compound conveyor (5) is arranged on a track between the fermentation chamber frame (6) and the fermentation chamber vehicle outlet end; a heating device (61) is arranged at the bottom of the fermentation chamber frame (6) or between the frames; on the wall between the fermentation chamber (7) and the preheating chamber (11), there are 1-8 passage openings (64) of the garbage transfer vehicle (18), the passage opening (64) is equipped with the passage door (63) and passage opening orbit (65); a passage opening (4) of a garbage transfer vehicle (18) is arranged on a wall between the fermentation chamber (7) and the incineration chamber (2), and the passage opening (4) is connected with a turnover machine (3) in the incineration chamber (2);
an incinerator charging hopper (72) is arranged below the turnover machine (3), and the incinerator charging hopper (72) is connected with the incinerator (1);
the turnover machine (3) is connected with a garbage transfer vehicle return channel (19), the return channel (19) is connected with an empty vehicle receiving channel port (17) at the vehicle inlet end of the receiving chamber (15), and the return channel (19) is inclined;
the garbage transfer vehicle (18) is provided with a box body (45), and wheels (51) are arranged below the box body (45); a leachate collecting box (50) is arranged at the bottom of the box body (45), and a grate (49) is arranged on the collecting box; at the end of the garbage transfer vehicle (18), a separation block (48) and a conduit (46) which is convenient for the liquid-pumping steel pipe (58) to be inserted into the leachate collecting box (50) are arranged;
the receiving room conveyor (16), the preheating room conveyor (12) and the fermentation room conveyor (8) have the same structure and comprise a frame (25), a lifting bracket (28) and a walking driving device (24); the walking driving device (24) is arranged below the frame (25), and the lifting bracket (28) is arranged on the frame (25); the lifting bracket (28) is provided with a bracket lifting driving device (31), a turnover roof oil outlet cylinder (26), a turnover vehicle track and a turnover vehicle locking device.
2. The garbage fermentation treatment apparatus of a garbage incineration power plant according to claim 1, characterized in that: the empty vehicle ejector (13) comprises a frame (25), a lifting bracket (28) and a traveling driving device; the walking driving device is arranged below the frame (25), and the lifting bracket (28) is arranged on the frame (25); a bracket lifting driving device (31), a multi-stage ejection cylinder (34) and a push plate (36) are arranged on the lifting bracket (28).
3. The garbage fermentation treatment apparatus of a garbage incineration power plant according to claim 1, characterized in that: the preheating chamber compound conveyor (9) and the fermenting chamber compound conveyor (5) have the same structure and comprise a frame (25), a traveling driving device, a lifting bracket (28), a leachate extraction device and a liquid storage tank (54); the traveling device is arranged below the frame (25), the lifting bracket (28) is arranged on the frame (25), and the bracket lifting driving device (31), the turnover vehicle driving oil cylinder, the turnover vehicle track and the turnover vehicle locking device are arranged at the lower half part of the lifting bracket (28); the upper half part of the lifting bracket (28) is provided with a liquid extracting device and a liquid storage tank (54), the liquid extracting device is a liquid extracting pipe lifting device (56) consisting of a liquid extracting pump (60), a liquid extracting pipe, a winch and a steel wire rope (57), and the liquid extracting pipe is ensured to accurately enter a guide pipe (59) of the transfer trolley guide pipe (46).
4. The garbage fermentation treatment apparatus of a garbage incineration power plant according to claim 1, characterized in that: the turnover machine (3) in the incineration chamber (2) is characterized in that a turnover ring (68) driven by a motor is arranged outside a turnover machine frame (69), a turnover vehicle track and a turnover vehicle fixing pressing block (67) are arranged in the turnover machine frame (69), the turnover ring (68) can rotate 180 degrees, and the lower surface of the turnover machine (3) is connected with a feeding hopper (72) of the incineration furnace (1).
5. The garbage fermentation treatment apparatus of a garbage incineration power plant according to claim 1, characterized in that: a friction driving wheel for driving the transfer vehicle to travel is arranged at one end of the garbage transfer vehicle returning passage (19) close to the empty vehicle receiving passage port (17) of the receiving chamber, the fermentation chamber frame (6) close to the fermentation chamber and incineration chamber passage port (4) and the loading position frame (42); in order to ensure that the garbage transfer vehicle (18) in the fermentation chamber (7) can automatically move towards the direction of the passage opening (4), the garbage transfer vehicle track in the fermentation chamber frame (6) in the fermentation chamber (7) is obliquely arranged towards the directions of the passage openings (4) of the fermentation chamber and the incineration chamber.
6. The garbage fermentation treatment apparatus of a garbage incineration power plant according to claim 1, characterized in that: a hot air curtain (62) is arranged at the passage gate between the fermentation chamber (7) and the preheating chamber (11) and between the preheating chamber (11) and the receiving chamber (15).
7. The garbage fermentation treatment apparatus of a garbage incineration power plant according to claim 1, characterized in that: the garbage fermentation treatment device is not provided with a preheating chamber, and the receiving chamber (15) is directly connected with the fermentation chamber (7); the garbage transfer vehicle (18) is made into a form of a transfer box, and a roller way conveying device is arranged on the passing device for running and transferring.
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