CN112050224B - System and method for generating power by burning garbage - Google Patents
System and method for generating power by burning garbage Download PDFInfo
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- CN112050224B CN112050224B CN202011114866.7A CN202011114866A CN112050224B CN 112050224 B CN112050224 B CN 112050224B CN 202011114866 A CN202011114866 A CN 202011114866A CN 112050224 B CN112050224 B CN 112050224B
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- liquid separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G1/00—Furnaces for cremation of human or animal carcasses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a waste incineration power generation system which comprises a waste sorting device, a waste chopping device, a waste crushing device, a solid-liquid separation device, a waste incineration device, a flue gas purification device, a power generation device and a sewage treatment device, wherein the waste sorting device is communicated with the waste chopping device, the waste crushing device and the solid-liquid separation device, the inlet of the solid-liquid separation device is communicated with the waste sorting device, the waste chopping device and the waste crushing device, the outlet of the solid-liquid separation device is communicated with the waste incineration device, separated liquid is discharged to the sewage treatment device, steam after solid enters the waste incineration device and is incinerated is input into the power generation device to generate power, and flue gas is output into the flue gas purification device and is discharged after being purified. The invention can classify and crush animal carcasses and other massive inorganic wastes, avoids blockage during mixing and crushing, can improve the incineration efficiency by crushing and solid-liquid separation before the waste incineration, enables the combustion to be complete, and can avoid secondary pollution to the environment.
Description
Technical Field
The invention relates to the technical field of garbage power generation, in particular to a garbage incineration power generation system and method.
Background
With the rapid development of economy, the living standard and the living quality of people are greatly improved. Therefore, the amount of municipal solid waste is also increasing continuously, and the trend of increasing year by year is also presented, and how to treat the increasing amount of municipal waste is a big problem in front. The common garbage disposal modes are landfill and incineration, which not only affect the environment, but also cause energy waste. All countries in the world are not limited to the passive defense tactics of burying and destroying garbage, but actively take powerful measures to scientifically and reasonably comprehensively treat and utilize the garbage. China has abundant garbage resources and great potential benefits.
In recent years, the power generation treatment by waste incineration shows a rapidly increasing trend in China, the method mainly comprises the steps of carrying out high-temperature incineration on waste with a high combustion value (pathogenic organisms and corrosive organic matters are thoroughly eliminated), converting heat energy generated in the high-temperature incineration (generated smoke is treated) into high-temperature steam, and driving a steam turbine to rotate so as to enable a generator to generate electric energy.
Therefore, a system for generating power by burning garbage is urgently needed to be invented, so that the garbage can be thoroughly crushed and effectively burned, and the burning efficiency is improved.
Disclosure of Invention
In view of the above, the present invention provides a system for generating power by incinerating garbage, so as to solve the above technical problems.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a system for msw incineration power generation, includes rubbish sorting device, rubbish cuter, rubbish reducing mechanism, solid-liquid separation equipment, msw incineration device, gas cleaning device, power generation facility and sewage treatment plant:
the garbage sorting device is communicated with the garbage chopping device, the garbage crushing device and the solid-liquid separation device, the garbage sorting device comprises a vibration motor for controlling vibration screening and a camera for collecting images for identification, animal carcasses, large garbage and garbage fragments are screened out from the mixed garbage, and the screened garbage fragments are directly led into the solid-liquid separation device;
the inlet of the garbage chopping device is communicated with the garbage sorting device, the outlet of the garbage chopping device is communicated with the solid-liquid separation device, the screened animal carcass garbage is guided into the garbage chopping device for chopping, and the chopped animal carcass is conveyed to the solid-liquid separation device;
the inlet of the garbage crushing device is communicated with the garbage sorting device, the outlet of the garbage crushing device is communicated with the solid-liquid separation device, and the large garbage which is sieved out is guided into the garbage crushing device to be crushed and then is conveyed to the solid-liquid separation device after being crushed;
the lower inlet of the solid-liquid separation device is communicated with the garbage sorting device, the garbage chopping device and the garbage crushing device, the upper outlet of the solid-liquid separation device is communicated with the garbage incineration device, the separated solid garbage is lifted and conveyed to the garbage incineration device for incineration, and the separated liquid is discharged from the bottom to the sewage treatment device;
the inlet at the middle part of the garbage incineration device is communicated with the solid-liquid separation device to incinerate input solid garbage, the upper part of the garbage incineration device is communicated with the flue gas purification device and the power generation device, incinerated steam is input into the power generation device to generate power, and flue gas is conveyed into the flue gas purification device to be purified and then discharged.
This setting can be to spoil and other bold inorganic waste classification broken handle, takes place to block up, the adhesion condition when avoiding mixing the breakage, carries out breakage and solid-liquid separation before msw incineration simultaneously and can help rubbish to burn fast to improve incineration efficiency, make the burning abundant, can avoid burning back waste gas waste residue etc. to cause secondary pollution to the environment simultaneously.
Further, rubbish sorting device is including carrying the bottom plate, carrying the sieve, carry the bottom plate bottom to be provided with vibrating motor, carry the parallel transport sieve of having laid in bottom plate upper portion, carry bottom plate one end with carry the sieve to align, other end salient in carry the sieve, the equipartition is provided with a plurality of sieve meshes on carrying the sieve.
This setting not only plays the effect of vibration straight line material loading to can play the effect of screening rubbish fragment.
Further, carry sieve middle part one side and be provided with first material mouth and second material mouth, carry sieve middle part opposite side with relative department of first material mouth is provided with the first push pedal that can concertina movement, carry sieve middle part opposite side with relative department of second material mouth is provided with the second push pedal that can concertina movement.
Further, carry the sieve with the one end upper portion that the transport base plate aligns is provided with the material loading mouth, carry sieve other end one side to be provided with the third material mouth, carry the sieve other end and be provided with the third push pedal that can concertina movement with third material mouth relative one side.
This arrangement enables different categories of waste to be screened out and pushed to the respective outlets.
Further, carry sieve middle part top to be provided with at least one camera, can gather the discernment to the spoil.
Furthermore, be provided with electromagnetic adsorption device on the first push pedal, this setting can be retrieved the metallic garbage screening.
Further, solid-liquid separation equipment includes separator box, separation motor and spiral main shaft, the separator box top is connected with the separation motor, and inside wears to be equipped with spiral main shaft, the separation motor passes the separator box with spiral main shaft connects, separator box upper portion sets up the third discharge gate, the separator box lower part box outside is provided with the third hopper, the inside filter that is provided with of separator box lower part box, the separator box bottom is provided with the liquid outlet, the liquid outlet with sewage treatment plant intercommunication.
This setting not only plays solid-liquid separation's effect, plays the effect that promotes the material loading simultaneously for the device structure is simple compacter.
Further, msw incineration device includes flue gas chamber, incineration chamber and ash falling cavity, flue gas chamber upper portion is provided with the steam pipe and discharges fume the pipe, the steam pipe nested set is in discharge fume the intraduct, the steam pipe with the power generation facility intercommunication, discharge fume the pipe with gas cleaning device intercommunication, incineration chamber upper portion is provided with the intercommunication the feed inlet of third discharge gate, ash falling cavity bottom is provided with the ash falling export.
This setting can improve waste incineration efficiency, makes the pipe of discharging fume play the heat preservation effect to the steam pipe, has avoided emission secondary pollution simultaneously.
Further, the system for generating power by incinerating garbage further comprises a control assembly, wherein the control assembly is respectively connected with the garbage sorting device, the garbage chopping device, the garbage crushing device, the solid-liquid separation device, the garbage incinerating device, the flue gas purification device, the power generation device and the sewage treatment device, and is used for receiving signals fed back by the devices to control the operation of the devices.
Compared with the prior art, the system for generating power by incinerating garbage has the following advantages:
(1) According to the system for generating power by incinerating garbage, disclosed by the invention, the garbage sorting is realized by applying the vibration screening and image recognition technology, the classification and crushing treatment of animal carcasses and other massive inorganic garbage can be realized, the problems of centralized crushing and blocking of garbage, cutter adhesion and the like are avoided, metals can be recycled, and harmful substances generated by metal incineration are avoided;
(2) The system for generating power by incinerating garbage has the advantages of thorough garbage crushing, solid-liquid separation and high incineration efficiency, and can avoid secondary pollution after incineration;
(3) According to the system for generating power by incinerating garbage, the garbage sorting device has the functions of sorting and feeding, the solid-liquid separation device has the functions of feeding and solid-liquid separation, the structure is simple and compact, and the connection of the control system can realize automatic and intelligent control.
The invention also provides a method for generating power by incinerating garbage, which is applied to the system for generating power by incinerating garbage and comprises the following steps:
step 1: feeding garbage, and controlling each device to operate by a control assembly;
and 2, step: the garbage sorting device is used for vibrating and screening garbage fragments, the garbage fragments are directly conveyed to the solid-liquid separation device through the garbage sorting device, garbage information is collected and identified through a camera in the screening process, animal carcasses are sorted out and pushed to corresponding material ports through corresponding push plates, and residual large garbage blocks are pushed to the corresponding material ports through the corresponding push plates;
and 3, step 3: the animal carcasses sorted by the garbage sorting device are conveyed to a garbage chopping device, the chopped animal carcasses are conveyed to a solid-liquid separation device, the large garbage sorted by the garbage sorting device is conveyed to a garbage crushing device, and the crushed garbage fragments are conveyed to the solid-liquid separation device;
and 4, step 4: the spiral main shaft in the solid-liquid separation device is lifted and extruded to separate solid garbage from liquid, the solid garbage enters the garbage incineration device from the upper outlet, and the liquid is discharged to the sewage treatment device from the bottom outlet;
and 5: and the solid garbage enters the garbage incineration device for incineration, generated steam enters the power generation device for power generation, and generated flue gas is treated by the flue gas purification device and then discharged.
The beneficial effects of the method for generating power by incinerating garbage are the same as those described above, and are not described again.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a waste incineration power generation system according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for generating electricity by incinerating garbage according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a garbage sorting apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic view of another direction of the garbage sorting apparatus according to the embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a garbage chopping apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic view of another direction of the garbage chopping apparatus according to the embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a garbage disposal apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of a solid-liquid separation device and a waste incineration device according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a chopping main shaft in the garbage chopping device according to the embodiment of the present invention;
fig. 10 is a schematic structural view of a crushing blade in the garbage crushing device according to the embodiment of the present invention.
Description of reference numerals:
1. a garbage sorting device; 11, a first baffle; 111, a first pusher plate; 112, a second pusher plate; 113, a camera; 114, a third opening; 12. a conveying bottom plate; 121. conveying sieve plates; 122. a feeding port; 123. a discharge baffle; 125. a second material port; 126. a first material port; 127. a third material port; 13. supporting legs; 14. a spring; 15. a second baffle; 151. a first opening; 152. a second opening; 153. a third push plate; 16. a vibration motor; 2. a garbage chopping device; 21. a first hopper; 22. a chopping box; 221. a first discharge port; 23. a main spindle box; 24. cutting the main shaft; 241. a spiral knife; 25. a pillar; 3. a waste crushing device; 31. a second hopper; 32. a crushing box; 33. a second discharge port; 34. a support; 35. a crushing main shaft; 36. a crushing knife; 37. a grinding motor; 4. a solid-liquid separation device; 41. a separation tank; 42. a third hopper; 43. separating the motor; 44. a helical main shaft; 45. a filter plate; 46. a liquid outlet; 47. a filtrate chamber; 48. a third discharge port; 5. a waste incineration device; 50. a steam chamber; 501. a steam pipe; 51. a flue gas cavity; 512. a smoke exhaust pipe; 52. an incineration chamber; 521. a first material guide plate; 522. a second material guide plate; 523. a feed inlet; 53. an ash falling cavity; 54. a partition plate; 55. a furnace plate; 56. a support leg; 57. a dust outlet; 58. a breather pipe; 581. a control valve; 6. a communication pipe is provided.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The descriptions in this document referring to "first", "second", "upper", "lower", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," "upper," "lower," may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it is necessary that a person skilled in the art can realize the combination, and the technical solutions in the embodiments are within the protection scope of the present invention.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
As shown in fig. 1, a system for generating power by burning garbage comprises a garbage sorting device 1, a garbage chopping device 2, a garbage crushing device 3, a solid-liquid separation device 4, a garbage burning device 5, a flue gas purification device, a power generation device and a sewage treatment device, wherein the garbage sorting device 1 is communicated with the garbage chopping device 2, the garbage crushing device 3 and the solid-liquid separation device 4, the garbage sorting device comprises a vibration motor 16 for controlling vibration screening and a camera 113 for collecting images for identification, animal carcasses, large garbage and garbage fragments are screened out from mixed garbage, and the screened garbage fragments are directly led into the solid-liquid separation device 4; the inlet of the garbage chopping device 2 is communicated with the garbage sorting device 1, the outlet of the garbage chopping device is communicated with the solid-liquid separation device 4, screened animal carcass garbage is guided into the garbage chopping device for chopping, and chopped animal carcasses are conveyed to the solid-liquid separation device 4; the inlet of the garbage crushing device 3 is communicated with the garbage sorting device 1, the outlet of the garbage crushing device is communicated with the solid-liquid separation device 4, and the screened large garbage is guided into the garbage crushing device 3 to be crushed and then conveyed to the solid-liquid separation device 4; the lower inlet of the solid-liquid separation device 4 is communicated with the garbage sorting device 1, the garbage chopping device 2 and the garbage crushing device 3, the upper outlet is communicated with the garbage incineration device 5, the separated solid garbage is lifted and conveyed to the garbage incineration device 5 for incineration, and the separated liquid is discharged from the bottom to the sewage treatment device; the inlet at the middle part of the garbage incineration device 5 is communicated with the solid-liquid separation device 4 to incinerate the input solid garbage, the upper part of the garbage incineration device is communicated with the flue gas purification device and the power generation device, steam generated by heating water after incineration is input into the power generation device to generate power, and flue gas is output into the flue gas purification device to be purified and then is discharged; the system for generating power by incinerating garbage further comprises a control assembly, wherein the control assembly is respectively connected with the garbage sorting device 1, the garbage chopping device 2, the garbage crushing device 3, the solid-liquid separation device 4, the garbage incinerating device 5, the flue gas purification device, the power generation device and the sewage treatment device, and is used for receiving signals fed back by the devices to control the operation of the devices.
This set up and to use vibration screening and image recognition technology to realize rubbish letter sorting, can be to spoil and other bold inorganic waste classification broken handle, when avoiding mixing the breakage, the spoil adhesion reduces crushing efficiency and takes place to block up the condition on bold inorganic waste, carry out breakage and solid-liquid separation before msw incineration simultaneously and can help rubbish to burn fast, thereby improve incineration efficiency, make the burning abundant, can avoid burning back waste gas waste residue etc. to cause secondary pollution to the environment simultaneously.
Example two
Specifically, as shown in fig. 3 and 4, the garbage sorting device 1 is a linear structure and comprises a conveying bottom plate 12, a conveying sieve plate 121, support legs 13, a vibrating motor 16, a first baffle 11 and a second baffle 15, the support legs 13 are arranged at four corners of the bottom of the conveying bottom plate 12, springs 14 are arranged between the support legs 13 and the conveying bottom plate 12, the vibrating motor 16 is used for playing a role in vibrating feeding, the conveying sieve plate 121 is arranged at the bottom of the conveying bottom plate 12 in parallel, one end of the conveying bottom plate 12 is aligned with the conveying sieve plate 121, the conveying sieve plate 121 is provided with a feeding port 122 on the upper portion of the aligned end of the conveying bottom plate 12, the feeding port 122 is tubular, an upper opening is used for feeding, a lateral opening is used for conveying garbage onto the conveying sieve plate 121, the other end of the conveying bottom plate 12 protrudes out of the conveying sieve plate 121, the tail end of the conveying sieve plate 121 is shielded by a discharging baffle 123, the garbage is prevented from falling onto the conveying bottom plate 12, a plurality of garbage sieve holes are uniformly distributed on the conveying sieve plate 121, the conveying sieve plate 121 is provided with square or circular sieve holes, the length or diameter is set to be 10mm, and the size of the garbage can be moderate.
Furthermore, the two sides of the conveying base plate 12 and the conveying sieve plate 121 extend upwards to form a first baffle plate 11 and a second baffle plate 15, so that the two sides of the conveying base plate 12 and the two sides of the conveying sieve plate 121 are shielded, and the garbage is prevented from falling from the two sides in the sieving process, the middle of the second baffle plate 15 is provided with a first opening 151 and a second opening 152, the middle of the conveying sieve plate 121 penetrates through the first opening 151 to form a first material port 126, the middle of the conveying sieve plate 121 penetrates through the second opening 152 to form a second material port 125, a first push plate 111 capable of performing telescopic motion is arranged at the position opposite to the first material port 126 on the other side of the middle of the conveying sieve plate 121, a second push plate 112 capable of performing telescopic motion is arranged at the position opposite to the second material port 125 on the other side of the middle of the conveying sieve plate 121, the first push plate 111 and the second push plate 112 are connected with an air cylinder fixed on the first baffle plate 11, and a control assembly controls the air cylinder to push the first push plate 111 and the second push plate 112 to extend and retract; preferably, an electromagnetic adsorption device is arranged on the first push plate 111, the electromagnetic adsorption device is electrified to adsorb the metal garbage on the first push plate 111, the first push plate 111 pushes the metal garbage to the first material port 126, the electromagnetic adsorption device is powered off, and the metal garbage falls to the first material port 126 to be recovered; at least one camera 113 is arranged between the first pushing plate 111 and the second pushing plate 112, the camera 113 collects a garbage picture on the conveying sieve plate 121 in real time, the picture is identified and analyzed by the control component, the second pushing plate 112 is controlled to extend out to push the identified animal carcass to the second material port 125, and the second material port 125 is communicated with an inlet of the garbage chopping device 2.
The one end that carries sieve 121 to set up discharge baffle 123 is provided with third material mouth 127, third material mouth 127 sets up in first baffle 501 one side, third opening 114 has been seted up on corresponding first baffle 11 to third material mouth 127 wears out, second baffle 15 is provided with the third push pedal 153 that can concertina movement with third material mouth 127 department relatively, third push pedal 153 is promoted by the cylinder, the cylinder is controlled by control assembly, third push pedal 153 is used for pushing out third material mouth 127 with bold rubbish, third material mouth 127 communicates with the import of rubbish reducing mechanism 3.
It should be noted that the first material port 126, the second material port 125 and the third material port 127 are all disposed obliquely downward, so as to facilitate discharging.
Further, as shown in fig. 5, 6 and 9, the garbage cutting apparatus 2 includes a first hopper 21, a cutting box 22, a spindle box 23 and a support 25, the first hopper 21 is trapezoidal and is disposed on the top of the cutting box 22, the inclined surface of the first hopper 21 is attached to the inclined surface of the second port 125 for feeding, the bottom of the cutting box 22 is supported by the support 25, one end of the cutting box 22 is connected to the spindle box 23, the spindle box 23 penetrates through the cutting box 22 to be connected to the internal cutting spindle 24, two cutting spindles 24 are disposed, a spiral knife 241 is fixedly disposed on the cutting spindle 24, the spiral knives 241 on the two cutting spindles 24 are opposite in rotation direction and are arranged in a crossed manner, the spindle box 23 is driven by a spindle motor, a meshed gear is disposed inside the spindle box to transmit the motion to the two cutting spindles 24, one end of the bottom of the cutting box 22 is disposed with a first discharge port 221, and the spiral knife 241 plays a role of feeding solid liquid during cutting, so that the cut animal carcasses are conveyed to the first discharge port 221, and are conveyed to the inlet of the separating apparatus 4 through a conveyor.
Further, as shown in fig. 7 and 10, the garbage crushing device 3 includes a second hopper 31, a crushing box 32, a support 34 and a crushing motor 37, the second hopper 31 is trapezoidal, and is disposed at the top of the crushing box 32, the inclined plane of the second hopper 31 is fitted to the inclined plane of the third material opening 127, so that feeding is facilitated, the bottom of the crushing box 32 is supported by the support 34, one end of the crushing box 32 is provided with the crushing motor 37, the crushing motor 37 passes through the crushing main shaft 35 inside the crushing box 32 to be connected, a plurality of crushing knives 36 are fixedly disposed on the crushing main shaft 35, the crushing knives 36 are straight-tooth type cutters, the crushing main shaft 35 is provided with two, the crushing knives 36 are arranged in a roller manner, so that the crushing efficiency can be improved, because the large garbage amount is large, the crushing motor 37 is provided with two, and is respectively connected with the crushing main shaft 35, power can be improved, and the bottom of the crushing box 32 is provided with a funnel-type second material outlet 33.
Further, as shown in fig. 8, the solid-liquid separation device 4 includes a separation box 41, a separation motor 43, a third hopper 42 and a spiral main shaft 44, the top of the separation box 41 is connected with the separation motor 43, the spiral main shaft 44 is arranged inside the separation box, the separation motor 43 penetrates the separation box 41 and the spiral main shaft 44, the upper portion of the separation box 41 is provided with a third discharge port 48, the outer side of the lower box of the separation box 41 is provided with the third hopper 42, a filter plate 45 is arranged inside the lower box of the separation box 41, the filter plate 45 is arranged at the lower portion of the third hopper 42, the lower portion of the separation box 41 is separated into a filtrate chamber 47, so that not only can the filtration function be realized, but also the garbage fragments can be prevented from entering the filtrate chamber 47, so that the garbage can be conveniently lifted and squeezed, a liquid outlet 46 is arranged at the bottom of the separation box 41, the liquid outlet 46 is communicated with the sewage treatment device, the solid-liquid separation device 4 is vertical, the garbage can be drained by the rotary extrusion of the spiral main shaft 44, and the solid-liquid separation device can realize the solid-liquid conveying function when the rotary extrusion, and solid separation function, and liquid conveying function, and further realize the solid-liquid separation.
Further, the waste incineration device 5 is sequentially provided with a smoke chamber 51, an incineration chamber 52 and an ash falling chamber 53 from top to bottom, the smoke chamber 51 and the incineration chamber 52 are separated by a partition plate 54, the partition plate 54 has a filtering effect and can filter ash with a larger volume to prevent the ash from entering the smoke chamber 51, the incineration chamber 52 and the ash falling chamber 53 are separated by a furnace plate 55, waste fragments are incinerated on the furnace plate 55, the ash enters the ash falling chamber 53 through the furnace plate 55, a steam chamber 50 is sleeved in the smoke chamber 51, a steam pipe 501 is arranged on the upper portion of the steam chamber, a smoke exhaust pipe 512 is arranged on the upper portion of the smoke chamber 51, the steam pipe 501 is embedded in the smoke exhaust pipe 512, the smoke exhaust pipe 512 can keep the temperature of the steam pipe 501, liquid, preferably water, is placed in the steam chamber 50, the incineration chamber 52 generates heat by heating and transmits the heat to the steam chamber 50, the liquid is evaporated to form steam, the steam is discharged from a steam pipe 501, the steam pipe 501 is communicated with the power generation device, the smoke exhaust pipe 512 is communicated with the smoke purification device, an air suction pump is communicated between the smoke exhaust pipe 512 and the smoke purification device, the upper part of the incineration chamber 52 is provided with a feed inlet 523 communicated with the third discharge port 48, the third discharge port 48 is higher than the feed inlet 523 and is connected with the feed inlet 523 through a communicating pipe 6, the garbage fragments can fall under the action of gravity due to the arrangement, one side of the inner wall of the incineration chamber 52 is connected with a first guide plate 521 positioned at the lower part of the feed inlet 523, the other side of the inner wall of the incineration chamber 52 is connected with a second guide plate 522 positioned below the first guide plate 521, the arrangement can preheat the garbage fragments in the falling process, the incineration efficiency is convenient to improve, a dust falling outlet 57 is arranged at the bottom of the dust falling chamber 53, the ash falling outlet 57 is provided with more than two funnel-shaped structures, which is convenient for discharging the falling ash, the bottom of the ash falling cavity 53 is also provided with a vent pipe 58, the vent pipe 58 penetrates through the ash falling cavity 53 to be connected with the furnace plate 55 for introducing the ignition gas, and the vent pipe 58 is provided with a control valve 581 for adjusting the pressure introduced into the ignition gas.
The other settings are the same as the first embodiment.
EXAMPLE III
Specifically, as shown in fig. 2, a method for generating power by incinerating garbage is applied to the system for generating power by incinerating garbage, and mainly includes the following steps:
the control assembly controls each device to operate and starts to feed the garbage; after the garbage is fed, the electromagnetic adsorption device on the first push plate 111 is electrified to adsorb the metal garbage, the metal garbage is pushed out of the first material opening 126 by the first push plate 111 after adsorption to be recycled, garbage fragments are screened out by the garbage sorting device 1 in a vibrating mode and are directly conveyed to the solid-liquid separation device 4 by the garbage sorting device 1, garbage information is collected and identified by combining the camera 113 in the screening process, animal carcasses are sorted out and are pushed to the second material opening 125 by the second push plate 112, and the residual large garbage is conveyed to the tail end of the conveying sieve plate 121 and is pushed to the third material opening 127 by the third push plate 153; the animal carcasses sorted by the garbage sorting device 1 are conveyed to the garbage chopping device 2, the chopped animal carcasses are conveyed to the solid-liquid separation device 4, the large garbage sorted by the garbage sorting device 1 is conveyed to the garbage crushing device 3, and the crushed garbage fragments are conveyed to the solid-liquid separation device 4; the spiral main shaft in the solid-liquid separation device 4 is lifted and extruded to separate solid garbage from liquid, the solid garbage enters the garbage incineration device 5 from the upper outlet, and the liquid is discharged to the sewage treatment device from the bottom outlet; the solid garbage enters the garbage incineration device 5 for incineration, generated steam enters the power generation device for power generation, and generated flue gas is treated by the flue gas purification device and then discharged.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. A system for generating power by burning garbage is characterized in that: comprises a garbage sorting device (1), a garbage chopping device (2), a garbage crushing device (3), a solid-liquid separation device (4), a garbage burning device (5), a flue gas purification device, a power generation device and a sewage treatment device:
the garbage sorting device (1) is communicated with the garbage chopping device (2), the garbage crushing device (3) and the solid-liquid separation device (4), the garbage sorting device (1) comprises a vibration motor (16) for controlling vibration screening and a camera (113) for collecting images for identification, animal carcasses, large garbage and garbage fragments are screened from mixed garbage, and the screened garbage fragments are directly led into the solid-liquid separation device (4);
the inlet of the garbage cutting device (2) is communicated with the garbage sorting device (1), the outlet of the garbage cutting device is communicated with the solid-liquid separation device (4), screened animal carcass garbage is guided into the garbage cutting device to be cut, and cut animal carcasses are conveyed to the solid-liquid separation device (4);
the inlet of the garbage crushing device (3) is communicated with the garbage sorting device (1), the outlet of the garbage crushing device is communicated with the solid-liquid separation device (4), and the screened large garbage is guided into the garbage crushing device (3) to be crushed and then is conveyed to the solid-liquid separation device (4);
the lower inlet of the solid-liquid separation device (4) is communicated with the garbage sorting device (1), the garbage chopping device (2) and the garbage crushing device (3), the upper outlet is communicated with the garbage incineration device (5), the separated solid garbage is lifted and conveyed to the garbage incineration device (5) for incineration, and the separated liquid is discharged from the bottom to the sewage treatment device;
the middle inlet of the garbage incineration device (5) is communicated with the solid-liquid separation device (4) to incinerate input solid garbage, the upper part of the garbage incineration device is communicated with the flue gas purification device and the power generation device, incinerated steam is input into the power generation device to generate power, and flue gas is conveyed into the flue gas purification device to be purified and then is discharged;
the system for generating power by incinerating garbage further comprises a control assembly, wherein the control assembly is respectively connected with the garbage sorting device (1), the garbage chopping device (2), the garbage crushing device (3), the solid-liquid separation device (4), the garbage incinerating device (5), the flue gas purification device, the power generation device and the sewage treatment device, and is used for receiving signals fed back by the devices to control the operation of the devices;
the garbage sorting device (1) comprises a conveying bottom plate (12) and a conveying sieve plate (121), wherein a vibration motor (16) is arranged at the bottom of the conveying bottom plate (12), the conveying sieve plate (121) is laid on the upper portion of the conveying bottom plate (12) in parallel, one end of the conveying bottom plate (12) is aligned with the conveying sieve plate (121), the other end of the conveying bottom plate (12) protrudes out of the conveying sieve plate (121), and a plurality of sieve holes are uniformly distributed in the conveying sieve plate (121);
a first material port (126) and a second material port (125) are formed in one side of the middle of the conveying sieve plate (121), a first push plate (111) capable of moving in a telescopic mode is arranged at the position, opposite to the first material port (126), of the other side of the middle of the conveying sieve plate (121), and a second push plate (112) capable of moving in a telescopic mode is arranged at the position, opposite to the second material port (125), of the other side of the middle of the conveying sieve plate (121);
at least one camera (113) is arranged between the first pushing plate (111) and the second pushing plate (112), the camera (113) collects garbage pictures on the conveying sieve plate (121) in real time, the pictures are identified and analyzed by the control assembly, the second pushing plate (112) is controlled to extend out to push the identified animal carcasses to the second material port (125), and the second material port (125) is communicated with the inlet of the garbage chopping device (2).
2. The system for generating electricity by incinerating waste according to claim 1, wherein: carry sieve (121) with the one end upper portion that conveying bottom plate (12) were aligned is provided with material loading mouth (122), it is provided with third material mouth (127) to carry sieve (121) other end one side, it is provided with third push pedal (153) that can concertina movement to carry sieve (121) other end and third material mouth (127) opposite side.
3. The system for generating electricity by incinerating waste according to claim 2, wherein: at least one camera (113) is arranged above the middle part of the conveying sieve plate (121).
4. A waste incineration power generation system according to claim 3, wherein: an electromagnetic adsorption device is arranged on the first push plate (111).
5. The system for generating electricity by incinerating waste according to claim 4, wherein: the solid-liquid separation device (4) comprises a separation box (41), a separation motor (43) and a spiral main shaft (44), the separation motor (43) is connected to the top of the separation box (41), the spiral main shaft (44) penetrates through the inside of the separation box (41), the separation motor (43) penetrates through the separation box (41) and the spiral main shaft (44) to be connected, a third discharge hole (48) is formed in the upper portion of the separation box (41), a third hopper (42) is arranged on the outer side of a box body on the lower portion of the separation box (41), a filter plate (45) is arranged inside the box body on the lower portion of the separation box (41), a liquid outlet (46) is formed in the bottom of the separation box (41), and the liquid outlet (46) is communicated with the sewage treatment device.
6. The system for generating electricity from waste incineration of claim 5, wherein: waste incineration device (5) include smoke chamber (51), burn chamber (52) and fall grey chamber (53), smoke chamber (51) burn chamber (52) with fall grey chamber (53) from the top down and set gradually, smoke chamber (51) upper portion is provided with steam pipe (501) and smoke exhaust pipe (512), steam pipe (501) set gradually the pipe (512) of discharging fume is inside, steam pipe (501) with the power generation facility intercommunication, smoke exhaust pipe (512) with gas cleaning device intercommunication, it is provided with the intercommunication to burn chamber (52) upper portion feed inlet (523) of third discharge gate (48), it is provided with grey export (57) to fall grey chamber (53) bottom.
7. A method for generating power by incinerating garbage, which is applied to the system for generating power by incinerating garbage according to claim 6, and comprises the following steps:
step 1: feeding garbage, and controlling each device to operate by a control assembly;
and 2, step: the garbage sorting device (1) is used for vibrating and screening garbage fragments, the garbage fragments are directly conveyed to the solid-liquid separation device (4) through the garbage sorting device (1), garbage information is collected and identified through a camera in the screening process, animal carcasses sorted out are pushed to corresponding material openings through corresponding push plates, and residual large garbage blocks are pushed to the corresponding material openings through the corresponding push plates;
and 3, step 3: the animal carcasses sorted by the garbage sorting device (1) are conveyed to the garbage chopping device (2), the chopped animal carcass blocks are conveyed to the solid-liquid separation device (4), the large garbage sorted by the garbage sorting device (1) is conveyed to the garbage crushing device (3), and the crushed garbage blocks are conveyed to the solid-liquid separation device (4);
and 4, step 4: a spiral main shaft in the solid-liquid separation device (4) is lifted and extruded to separate solid garbage from liquid, the solid garbage enters the garbage incineration device (5) from an upper outlet, and the liquid is discharged to the sewage treatment device from a bottom outlet;
and 5: the solid garbage enters the garbage incineration device (5) for incineration, generated steam enters the power generation device for power generation, and generated flue gas is treated by the flue gas purification device and then discharged.
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| CN113915617B (en) * | 2021-10-25 | 2023-01-03 | 福建星原建设工程发展有限公司 | Waste incineration system for power generation |
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