CN107699259B - Thermal cracking equipment for preparing biomass energy particles after domestic garbage sludge carbonization - Google Patents
Thermal cracking equipment for preparing biomass energy particles after domestic garbage sludge carbonization Download PDFInfo
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- CN107699259B CN107699259B CN201711037059.8A CN201711037059A CN107699259B CN 107699259 B CN107699259 B CN 107699259B CN 201711037059 A CN201711037059 A CN 201711037059A CN 107699259 B CN107699259 B CN 107699259B
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- 238000004227 thermal cracking Methods 0.000 title claims abstract description 44
- 239000010802 sludge Substances 0.000 title claims abstract description 43
- 239000002028 Biomass Substances 0.000 title claims abstract description 38
- 239000002245 particle Substances 0.000 title claims abstract description 38
- 238000003763 carbonization Methods 0.000 title claims abstract description 17
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 44
- 239000000295 fuel oil Substances 0.000 claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 18
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 17
- 230000023556 desulfurization Effects 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 71
- 239000003546 flue gas Substances 0.000 claims description 70
- 239000003921 oil Substances 0.000 claims description 58
- 230000006837 decompression Effects 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 239000007789 gas Substances 0.000 claims description 42
- 239000002893 slag Substances 0.000 claims description 32
- 238000005452 bending Methods 0.000 claims description 30
- 239000010410 layer Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 239000006229 carbon black Substances 0.000 claims description 9
- 239000008236 heating water Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 4
- 238000002347 injection Methods 0.000 claims 3
- 239000007924 injection Substances 0.000 claims 3
- 239000010791 domestic waste Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000007789 sealing Methods 0.000 abstract description 10
- 239000002918 waste heat Substances 0.000 abstract description 10
- 239000013049 sediment Substances 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 9
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000010902 straw Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000010920 waste tyre Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 235000017060 Arachis glabrata Nutrition 0.000 description 2
- 241001553178 Arachis glabrata Species 0.000 description 2
- 235000010777 Arachis hypogaea Nutrition 0.000 description 2
- 235000018262 Arachis monticola Nutrition 0.000 description 2
- 230000037396 body weight Effects 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000007885 magnetic separation Methods 0.000 description 2
- 239000002906 medical waste Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 235000020232 peanut Nutrition 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
- C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/442—Wood or forestry waste
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/445—Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/46—Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
-
- 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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention provides thermal cracking equipment for preparing biomass energy particles after domestic garbage treatment and sludge carbonization, which comprises a tank body, a tank door, a combustion chamber, a heavy oil recovery tank, a cooling tower, a cooling tank, a wet desulfurization device and a condenser, wherein the heavy oil recovery tank and a storage bin are connected with a stirring tank through a pipeline, and a flow control valve is arranged on the pipeline; one side of the stirring tank is fixed with a plurality of low-temperature carbonized sludge tanks, a batching conveyer belt is arranged between the low-temperature carbonized sludge tanks and the stirring tank, a discharge port of the stirring tank is connected with an extruder, and a discharge port of the extruder is connected with a drying cylinder. The invention has simple structure, convenient use, good sealing performance, no offset of the tank body rotation, high yield of thermal cracking products, high utilization rate of thermal cracking waste heat, direct utilization of thermal cracking waste heat for carbonization of sludge and direct use of thermal cracking products for biomass energy particle production, and improves the degree of automation and the production continuity.
Description
Technical Field
The invention relates to the technical field of thermal cracking of solid wastes, in particular to thermal cracking equipment for preparing biomass energy particles after domestic garbage treatment and sludge carbonization.
Background
Thermal cracking is a reaction in which an organic substance is decomposed into low-molecular substances by breaking the bonding state of the high-molecular substances by heating, and the products of the reaction are gas, oil, and coke. J.Jones of Stanford institute (Stan ford Research Institute, SRI) set forth a strict definition. He defines pyrolysis as "the process of thermochemically decomposing carbonaceous organics to produce fuels (gases, liquids and carbon black) by indirect heating without the introduction of oxygen, steam or high temperature carbon monoxide into the reactor".
At present, thermal cracking technology has been widely applied to various waste treatment fields, such as thermal understanding treatment of waste rubber and plastic (waste tires, plastics) and the like, such as municipal waste treatment (including resident waste, water works sediments and the like), such as treatment of medical waste (unrecoverable medical waste, harmless treatment of medical appliances and the like), but the conventional thermal cracking equipment has a plurality of defects, such as 1, the adoption of hinge connection of a thermally-decomposed tank door, poor sealing, connection of the tank door on the tank body, and the generation of gravity center deviation problem caused by the rotation of the tank body, 2, rotation of the tank body, offset phenomenon caused in the rotation process of the tank body, serious abrasion of part of shaft roller components, 3, condenser part, coiled oil gas pipe therein, easy explosion phenomenon caused by uneven condensation and uneven pressure of a winding section therein, insufficient condensation effect, and low heavy oil yield. 4. The heat generated by the thermal cracking tank is discharged after being cooled, so that a large amount of heat sources are wasted, 5, sludge with high organic matter content such as sludge at the bottom of a water plant tank is carbonized at low temperature, the automatic process for preparing biomass energy particles is insufficient, the continuity is poor, and the utilization conversion rate of heavy oil and carbon black obtained after thermal cracking of the domestic garbage is low. In view of the above technical drawbacks, there is a need for a thermal cracking apparatus for preparing biomass energy particles after processing and carbonizing household garbage, which has the advantages of simple structure, convenient use, good sealing performance, no offset of tank rotation, high yield of thermal cracking products, high utilization rate of thermal cracking waste heat, direct utilization of thermal cracking waste heat for carbonizing sludge and direct use of the thermal cracking products for biomass energy particle production, and improved automation degree and production continuity.
Disclosure of Invention
The invention aims to provide the thermal cracking equipment for preparing biomass energy particles after domestic garbage treatment and sludge carbonization, which has the advantages of simple structure, convenient use, good sealing performance, no offset of tank body rotation, high thermal cracking resultant yield and high thermal cracking residual heat utilization rate, and can directly utilize thermal cracking residual heat to carry out sludge carbonization and directly use thermal cracking resultant to carry out biomass energy particle production, thereby improving the degree of automation and production continuity.
In order to solve the problems, the invention provides thermal cracking equipment for preparing biomass energy particles after domestic garbage treatment and sludge carbonization, which comprises a tank body, a tank door, a combustion chamber, a heavy oil recovery tank, a storage bin, a cooling tower, a cooling tank, a wet desulfurization device and a condenser, wherein the tank body is fixed above the combustion chamber, a flue gas collecting pipe is fixedly connected to the combustion chamber, the tail end of the flue gas collecting pipe is connected with a flue gas purifying device, the flue gas purifying device is connected to the wet desulfurization device through a pipeline, the upper end of the wet desulfurization device is connected with an induced draft fan through a pipeline, the induced draft fan is connected with an exhaust device through a pipeline,
the side of jar body feed inlet department is provided with the fixed column, the fixed welding in bottom of fixed column has the base, the base is fixed subaerial, the fixed axle bed that is provided with in upper portion of fixed column, the axle bed is the terraced form, the central point of axle bed puts and is fixed with the swivel joint axle, the axle sleeve is the column on the swivel joint axle, fixed welding has the swinging boom on the roll surface of axle sleeve, the end of swinging boom is fixed with the bracket, be provided with the installation pole on the bracket, the installation pole is on a parallel with the fixed column, the lower extreme of installation pole is fixed with the boss, the boss passes through the centre of a circle department of bolt fastening at jar door. The outer fringe of jar door and jar body feed inlet department's inner edge all are provided with a plurality of teeth, and the tooth phase-match on jar door and jar body just can be in the same place with the meshing of each other one-to-one, and the middle part of installation pole is provided with supplementary clamp cover, and supplementary clamp cover is ' nearly ' font, and supplementary clamp cover's middle part and installation pole fixed connection, supplementary clamp cover's both sides pass through the fixed screw to be fixed on jar door.
The heavy oil recovery tank and the storage bin are connected with a stirring tank through a pipeline, and a flow control valve is arranged on the pipeline; one side of the stirring tank is fixedly provided with a plurality of low-temperature carbonized sludge tanks, a heating water pipe and a vent pipe are coiled in the wall of the low-temperature carbonized sludge tanks, the heating water pipe and the vent pipe are coiled in parallel, the vent pipe is communicated with a flue gas collecting pipe, part of flue gas of the flue gas collecting pipe is sucked into the vent pipe and is subjected to heat exchange with the heating water pipe, so that the temperature in the low-temperature carbonized sludge tanks is maintained between 80 ℃ and 150 ℃, a batching conveyor belt is arranged between the low-temperature carbonized sludge tanks and the stirring tank, a discharge port of the stirring tank is connected with an extruder, and a discharge port of the extruder is connected with a drying cylinder.
Further, the feed inlet department of the jar body is provided with a jar door, and the sediment mouth department of the jar body is provided with screw feeder power unit, and the other end fixedly connected with fluted disc of the jar body, the fixed cover of hub connection on the fluted disc, the below of fixed cover is provided with the location swivel mount, and the fixed recess that is provided with in top of location swivel mount, recess and fixed cover fixed connection, the lower extreme of jar body feed inlet department is provided with two bearing swivel mount, and the upper hub connection of bearing swivel mount has the rotatory roller, and the surface of rotatory roller is tangent with the surface of the jar body. One side of the positioning rotating frame is provided with a motor, an output shaft of the motor is fixedly provided with a driving wheel, and the driving wheel is meshed with the fluted disc to drive the tank body to rotate.
Further, the upper end of the mounting rod is provided with an extensible extension rod, and the extension rod is connected with the bracket in a shaft or fixed connection mode. The flue gas collecting pipe and the wet desulphurization device are provided with a flue gas purification device, the flue gas purification device is provided with a first decompression section, a second decompression section, a third decompression section and a combustion chamber, the first decompression section, the second decompression section and the third decompression section are internally and fixedly connected with a partition board, the partition board separates the first decompression section, the second decompression section and the third decompression section into n-shaped flue gas chambers, the flue gas chambers on the first decompression section, the second decompression section and the third decompression section are connected with each other to form a corrugated flue gas passage, the lower part of the first decompression section is fixedly connected with a flue gas inlet pipe, the tail end of the flue gas chamber of the third decompression section is fixedly connected with a combustion chamber, the upper end of the combustion chamber is fixedly connected with a flue gas outlet pipe, the side surface of the combustion chamber is provided with a mixed gas pipe, the end part of the mixed gas pipe is inserted and connected with a spray head, a plurality of rows of gas nozzles are fixedly connected with on the spray head, and the gas nozzles are introduced to the bottom of the combustion chamber, and the gas nozzles face the tail end positions of the flue gas chambers on the third decompression section. The temperature of the flue gas in the first decompression section, the second decompression section and the third decompression section is 800-850 ℃, and the temperature in the combustion cavity is higher than 1200 ℃. The wet desulfurization device is connected to the cooling tower through a water pipe, the upper end of the wet desulfurization device is connected to the induced draft fan through a pipeline, the induced draft fan is connected to the exhaust device through a pipeline, the flue gas outlet pipe on the combustion chamber is connected to the wet desulfurization device through a pipeline, the flue gas collecting pipe is connected to the flue gas inlet pipe of the first decompression section through a pipeline, and the temperature of the gas exhausted by the exhaust device is reduced to 30-40 ℃.
Further, a split tee is arranged on the fixed sleeve, a threaded connection section is arranged at the left end of the split tee in an integrally formed mode, the threaded connection section is screwed into the fixed sleeve to enable the split tee to be fixed to the fixed sleeve, an auger power mechanism is fixed at the right end of the split tee, a slag discharging auger is arranged on the auger power mechanism and penetrates through the split tee, the fixed sleeve and the fluted disc and stretches into a slag discharging port of the tank body, and a split port is formed at the upper end and the lower end of the split tee in an integrally formed mode.
Further, the condenser includes oil gas intake pipe, outlet duct, condenser jar body, inlet tube, wet return and slag notch, and the lower part integrated into one piece of condenser jar body is provided with the funnel section, and integrated into one piece is provided with the intermediate layer on the condenser jar body and the funnel section, coils in the intermediate layer has circulating water pipe, and one side of funnel section is provided with the inlet tube, one side of condenser jar body upper end is provided with the wet return, inlet tube, wet return, circulating water pipe and cooling tower constitute the hydrologic cycle passageway, and the one end of play oil pipe is provided with the bending segment, and the bending segment is gone into in the funnel section, and the bending segment is 'n' word form, and the funnel section intussuseption is filled with the oil layer, and oil gas intake pipe is gone into the condenser jar internal and is hung in the top of oil layer, and outlet duct fixed connection is in the upper end of the condenser jar body, and the lower extreme threaded connection of funnel section has total row mouth, and one side fixedly connected with slag notch of funnel section, and the slag notch is located the below of inlet tube, and the slag notch is gone into the bottom of oil layer, fixedly connected with bellows on the bending segment, and the bellows is transparent glass goods, and bellows is located the outside of funnel section.
Further, the outside of the tank body is covered with a shield, the section of the shield is in a major arc shape, two ends of the shield are erected above the combustion chamber, a gap is reserved between the shield and the tank body, flame and heat in the combustion chamber enter the gap, heat energy utilization is improved, the bending section is fixed in the funnel section through the triangular bracket, and the oil inlet end of the bending section is positioned above the main exhaust port.
Further, the base can be fixed on the travelling trolley, the tank door is assembled on the tank body during use, and the tank door is separated from the tank body during maintenance or shutdown of the combustion chamber, so that maintenance and detection or slag discharge are facilitated.
Further, the inner wall of the tank body is provided with a screw thread screwed-in protrusion, the screw thread screwed-in protrusion is screwed in towards the slag discharge opening, and the screw feeder power mechanism comprises a screw feeder motor which drives the slag discharge screw feeder to rotate through a belt or a gear.
Further, the upper end of the shunt tee joint is connected with a heavy oil separator through a pipeline, the heavy oil separator is connected to an oil gas inlet pipe through a pipeline, non-condensable gas coming out of an air outlet pipe is conveyed into a heavy oil recovery tank through a pipeline, an oil outlet pipe on a condenser funnel section and an oil guide pipe at the lower end of the heavy oil separator are gathered and flow into the heavy oil recovery tank, a fire resistance tank is connected to the upper part of the liquid surface in the heavy oil recovery tank through a pipeline, the pipeline is detected under the liquid surface of the fire resistance tank, and the upper part of the liquid surface of the fire resistance tank is connected to a combustion chamber through a pipeline.
Further, the lower extreme of reposition of redundant personnel tee bend is connected with the cooling tank, be provided with the circulating water intermediate layer in the wall of cooling tank, the circulating water intermediate layer passes through the pipe connection to the cooling tower, the cooling tank passes through motor drive in situ rotation, the end of cooling tank is provided with selects separately conveyer, select separately conveyer's end-to-end connection has the feed bin, select separately conveyer is the conveyer belt, select separately conveyer's downside is provided with the electro-magnet section, the carbon black that separates from the jar is gone into in the cooling tank through reposition of redundant personnel tee bend lower extreme, enter into in the feed bin after selecting separately conveyer separation magnetic separation iron-bearing slag.
Further, the lower extreme threaded connection of funnel section has total mouth of arranging, and the one side fixedly connected with of funnel section arranges the sediment mouth, arranges the sediment mouth and is located the below of inlet tube, arranges the sediment mouth and stretches into the bottom of oil reservoir. The bending section is fixedly connected with a corrugated pipe which is a transparent glass product and is positioned at the outer side of the funnel section. The bending section is fixed in the funnel section through the tripod, and the oil inlet end of the bending section is positioned above the main discharge port.
Further, the rotating arm, the shaft sleeve, the shaft seat and the rotating shaft can be replaced by a corner oil cylinder. After the tank door and the tank body are buckled, the tank door and the tank body are locked through the meshing of the teeth. The position of the upper teeth of the tank door can be provided with a sealing glue.
Further, the water content of the carbonized municipal sludge is 25-34%.
Further, carbon black is poured into the stirring tank in the storage bin, heavy oil is poured into the stirring tank from the heavy oil collecting tank, and other ingredients such as straw powder, wood dust and the like are placed on the ingredient conveying belt:
further, the biomass energy particles of the invention comprise the following formula components:
55-60 parts of carbonized sludge with water content of 25-34%, 5-10 parts of straw powder, 5-10 parts of wood dust, 1-3 parts of carbon black, 5-10 parts of heavy oil, 5-10 parts of peanut shell,
biomass particles after extrusion, diameter: 6-8 mm, the length is 4-5 times of the diameter, the crushing rate is less than 1.5% -2.0%, the water content of a dried base after drying is less than 10% -15%, the ash content is less than 1.5%, and the sulfur content and the chlorine content are both less than 0.07%. The heating capacity is up to 8500-10000 kcal/kg. (the calorific value of the biomass particles prepared by using carbonized sludge is far higher than that of biomass particles in the conventional technology, and the calorific value of the biomass particles in the conventional technology is 3900-4800 kilocalories/kg).
The invention has the advantages of simple structure, convenient use, good sealing performance, no offset of the tank body rotation, high yield of thermal cracking products, high utilization rate of thermal cracking waste heat, direct utilization of thermal cracking waste heat for carbonization of sludge and direct use of thermal cracking products for biomass energy particle production, and improvement of automation degree and production continuity, and is specifically as follows:
1. the hot tank door adopts split type design, adopts tooth engagement sealing mode, no matter install or pull down the back, can not lead to the fact the influence to tank body weight center, keep its rotation time skew, guarantee the leakproofness after the assembly tank door, the leakproofness is good to reduce the fuel quantity, improves thermal cracking effect.
2. The three-point supporting rotation mode is adopted, the tank body keeps not to deviate when rotating, the abrasion degree of the auxiliary rotating bearing piece is small, and the service life is long.
3. The condenser part, there is not the oily trachea of crooked winding, avoid causing the explosion phenomenon because the condensation is uneven or the change of oily intraductal pressure, the oil gas advances the pipe and leads into the condenser jar internal with high temperature oil gas, for the internal high temperature oil gas cooling of condenser jar through the circulating water pipe in the intermediate layer, high temperature oil gas condensation obtains heavy oil to fall into the funnel section, the funnel section initial state just is filled with the oil reservoir (the oil reservoir is the heavy oil of retrieving too), after the oil reservoir page is higher than the bending section, heavy oil follows the bending section, the bellows is derived from the delivery pipe, it is visual to export the process bellows, after the liquid level is less than the bending section, stop the oil production. The precipitated oil is discharged through a slag discharging port, and the total slag discharging port is used for cleaning the tank. The condensing effect is obviously improved: the water return temperature of the circulating water pipe in the prior art is between 35 and 40 ℃, the water return temperature of the circulating water pipe is between 25 and 32, and meanwhile, the same tonnage of the same type of waste tires are treated, so that the yield of the obtained heavy oil is improved by 7 to 9 percent.
4. Through screw feeder power unit and the inside helicitic texture of jar body, supplementary sediment, can accomplish airtight slag tap under the condition of not opening jar door, reduce the shut down number of times.
5. Biomass particles after extrusion, diameter: 6-8 mm, the length is 4-5 times of the diameter, the crushing rate is less than 1.5% -2.0%, the water content of a dried base after drying is less than 10% -15%, the ash content is less than 1.5%, and the sulfur content and the chlorine content are both less than 0.07%. The heating capacity is up to 8500-10000 kcal/kg. (the calorific value of the biomass particles prepared by using carbonized sludge is far higher than that of biomass particles in the conventional technology, and the calorific value of the biomass particles in the conventional technology is 3900-4800 kilocalories/kg).
6. The invention has strong continuity, can utilize thermal cracking products and thermal cracking waste heat to carry out sludge carbonization, directly mix materials to produce biomass particles, reduce flow time and improve production efficiency.
Description of the drawings:
fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural view of a condenser portion of the present invention.
Fig. 3 is a schematic structural view of the tank door and its auxiliary mechanism according to the present invention.
Fig. 4 is a right-hand schematic view of the can of the present invention.
Fig. 5 is a schematic cross-sectional view A-A of fig. 4.
Fig. 6 is a schematic structural view of the flue gas purifying apparatus of the present invention.
The attached drawings are identified:
1. slag hole 2, water inlet pipe 3 and oil layer
4. Oil gas inlet pipe 5, outlet pipe 6 and return pipe
7. Circulating water pipe 8, interlayer 9 and condenser tank
10. Bending section 11, funnel section 12, bellows
13. Oil outlet pipe 14, main discharge port 15 and base
16. Fixed column 17, shaft seat 18 and rotary shaft
19. Shaft sleeve 20, rotating arm 21, bracket
22. Mounting rod 23, auxiliary jacket 24, fixing screw
25. Tank door 26, teeth 27, cam
28. Bolt 29, screw feeder power unit 30 and slag discharging screw feeder
31. Split tee 32, threaded connection section 33, fixed sleeve
34. Fluted disc 35, slag discharging port 36 and positioning rotary frame
37. Bearing rotary frame 38, tank 39 and rotary roller
40. Combustion chamber 41, flue gas collecting pipe 42 and flue gas purifying device
43. Wet desulfurization device 44, induced draft fan 45 and exhaust device
46. Heavy oil separator 47, cooling tower 48, condenser
49. Heavy oil recovery tank 50, sorting and conveying device 51 and stock bin
52. Fire-retardant tank 53, cooling tank 54, and low-temperature carbonized sludge tank
55. Batching conveyer 56, agitator tank 57, extruder
58. Drying cylinder 59, flue gas inlet pipe 60 and flue gas outlet pipe
61. Flue gas chamber 62, partition 63, combustion chamber
64. Gas nozzle 65, nozzle 66, and mixed gas pipe
67. A third pressure reduction section 68, a second pressure reduction section 69, a first pressure reduction section
The specific embodiment is as follows:
as shown in fig. 1-6, fig. 1 is a schematic diagram of the overall structure of the present invention. Fig. 2 is a schematic structural view of a condenser portion of the present invention. Fig. 3 is a schematic structural view of the tank door and its auxiliary mechanism according to the present invention. Fig. 4 is a right-hand schematic view of the can of the present invention. Fig. 5 is a schematic cross-sectional view A-A of fig. 4. Fig. 6 is a schematic structural view of the flue gas purifying apparatus of the present invention.
The thermal cracking equipment for preparing biomass energy particles after domestic garbage treatment and sludge carbonization comprises a tank body 38, a tank door 25, a combustion chamber 40, a heavy oil recovery tank 49, a storage bin 51, a cooling tower 47, a cooling tank 53, a wet desulphurization device 43 and a condenser 48, wherein the tank body 38 is fixed above the combustion chamber 40, a flue gas collecting pipe 41 is fixedly connected to the combustion chamber 40, the tail end of the flue gas collecting pipe 41 is connected with a flue gas purifying device 42, the flue gas purifying device 42 is connected to the wet desulphurization device 43 through a pipeline, the upper end of the wet desulphurization device 43 is connected with an induced draft fan 44 through a pipeline, the induced draft fan 44 is connected with an exhaust device 45 through a pipeline, the side surface of a feed inlet of the tank body 38 is provided with a fixed column 16, the bottom of the fixed column 16 is fixedly welded with a base 15, the base 15 is fixed on the ground, the upper part of the fixed column 16 is fixedly provided with a shaft seat 17, the shaft seat 17 is in a trapezoid shape, a rotating shaft 18 is fixed in the central position of the shaft seat 17, a shaft sleeve 19 is in a columnar shape, the shaft sleeve 19 is fixedly welded with a rotating arm 20 on the surface of the shaft sleeve 19, the tail end of the rotating arm 20 is fixedly provided with a bracket 21, the bracket 21 is provided with the rotating arm 20, the rotating arm 20 is fixedly provided with a flange 22, and is arranged on the bracket 21 and is arranged at the position 22 and is parallel to the center of the flange 27 of the flange 22 and is fixed at the center of the flange 27. The outer fringe of jar door 25 and the inner edge of jar body 38 feed inlet department all are provided with a plurality of teeth 26, and the tooth on jar door 25 matches and can be in the same place with the meshing of the one-to-one correspondence of tooth on jar body 38, and the middle part of installation pole 22 is provided with supplementary clamp cover 23, and supplementary clamp cover is 'nearly' font, and supplementary clamp cover 23's middle part and installation pole 22 fixed connection, and supplementary clamp cover 23's both sides pass through set screw 24 to be fixed on jar door 25. The heavy oil recovery tank 49 and the stock bin 51 are connected with a stirring tank 56 through a pipeline, and a flow control valve is arranged on the pipeline; a plurality of low-temperature carbonized sludge tanks 54 are fixed on one side of the stirring tank 56, a heating water pipe and a vent pipe are coiled in the wall of the low-temperature carbonized sludge tanks 54, the heating water pipe and the vent pipe are coiled in parallel, the vent pipe is communicated with the flue gas collecting pipe 41, part of flue gas of the flue gas collecting pipe 41 is sucked into the vent pipe to complete heat exchange with the heating water pipe so as to maintain the temperature in the low-temperature carbonized sludge tanks at 80-150 ℃, a material mixing conveyor belt 55 is arranged between the low-temperature carbonized sludge tanks 54 and the stirring tank 56, a discharge port of the stirring tank 56 is connected with an extruder 57, and a discharge port of the extruder 57 is connected with a drying cylinder 58.
The feed inlet department of jar body 38 is provided with jar door 25, the sediment mouth 35 department of jar body 38 is provided with screw feeder power unit 29, the other end fixedly connected with fluted disc 34 of jar body 38, the epaxial fixed cover 33 that is connected with of fluted disc 34, the below of fixed cover 33 is provided with location swivel mount 36, the fixed recess that is provided with in top of location swivel mount 36, recess and fixed cover 33 fixed connection, the lower extreme of jar body 38 feed inlet department is provided with two bearing swivel mount 37, bearing swivel mount 37 upper shaft is connected with rotatory roller 39, the surface of rotatory roller 39 is tangent with the surface of jar body 38. A motor is arranged on one side of the positioning rotating frame 36, and a driving wheel is fixed on an output shaft of the motor and is meshed with the fluted disc 34 so as to drive the tank 38 to rotate. The upper end of the mounting rod 22 is provided with an extendable extension rod which is connected with the bracket 21 in a shaft or fixed connection manner. (the extension rod may be fixedly connected to the bracket 21).
The flue gas collecting pipe 41 and the wet desulphurization device 43 are provided with the flue gas purification device 42, the flue gas purification device 42 is provided with a first decompression section 69, a second decompression section 68, a third decompression section 67 and a combustion chamber 63, the first decompression section 69, the second decompression section 68 and the third decompression section 67 are fixedly connected with a partition plate 62, the partition plate 62 separates the first decompression section 69, the second decompression section 68 and the third decompression section 67 into an n-shaped flue gas chamber 61, the flue gas chambers 61 on the first decompression section 69, the second decompression section 68 and the third decompression section 67 are connected to form a corrugated flue gas passage, the lower part of the first decompression section 69 is fixedly connected with a flue gas inlet pipe 59, the tail end of the flue gas chamber 61 of the third decompression section 67 is fixedly connected with the combustion chamber 63, the upper end of the combustion chamber 63 is fixedly connected with a flue gas outlet pipe 60, the side surface of the combustion chamber 63 is provided with a mixed fuel gas pipe 66, the end of the mixed gas pipe 66 is inserted and connected with a spray head 65, the spray head 65 is fixedly connected with a plurality of rows of fuel gas nozzles 64, the fuel gas nozzles 64 are arranged at the bottom of the combustion chamber 63, and the flue gas nozzles 64 face the tail end of the third nozzle 64. The temperature of the flue gas in the first decompression section 69, the second decompression section 68 and the third decompression section 67 is 800-850 ℃, and the temperature in the combustion chamber 63 is more than 1200 ℃. The wet desulfurization device is connected to the cooling tower through a water pipe, the upper end of the wet desulfurization device is connected to an induced draft fan through a pipeline, the induced draft fan is connected to an exhaust device through a pipeline, a flue gas outlet pipe 60 on the combustion cavity is connected to the wet desulfurization device through a pipeline, a flue gas collecting pipe is connected to a flue gas inlet pipe 59 of a first decompression section 69 through a pipeline, and the temperature of gas exhausted by the exhaust device is reduced to 30-40 ℃.
Be provided with reposition of redundant personnel tee bend 31 on the fixed cover 33, the left end integrated into one piece of reposition of redundant personnel tee bend 31 is provided with threaded connection section 32, threaded connection section 32 precesses in the fixed cover and then makes reposition of redundant personnel tee bend 31 fixed to on the fixed cover 33, the right-hand member of reposition of redundant personnel tee bend 31 is fixed with screw feeder power unit 29, be provided with on the screw feeder power unit 29 and arrange sediment screw feeder 30, arrange sediment screw feeder 30 and pass reposition of redundant personnel tee bend 31, fixed cover 33, fluted disc 34 and visit to jar 38 arrange sediment mouth 35 department, the upper end and the lower extreme integrated into one piece of reposition of redundant personnel tee bend 31 are provided with the shunt outlet. The condenser 48 includes oil gas intake pipe 4, outlet duct 5, condenser jar body 9, inlet tube 2, wet return 6 and slag notch 1, and the lower part integrated into one piece of condenser jar body 9 is provided with funnel section 11, and integrated into one piece is provided with intermediate layer 8 on condenser jar body 9 and the funnel section 11, and it has circulating water pipe 7 to coil in the intermediate layer, and one side of funnel section 11 is provided with inlet tube 2, one side of condenser jar body 9 upper end is provided with wet return 6, inlet tube 2, wet return 6, circulating water pipe 7 and cooling tower 47 constitute the water circulation passageway, and the one end of delivery tube 13 is provided with bending section 10, and bending section 10 is visited into funnel section 11, and the bending section is 'n' word form, and the funnel section 11 intussuseption is filled with oil layer 3, and oil gas intake tube 4 visited into condenser jar body 9 and hang in the top of oil layer 3, and outlet duct 5 fixed connection has total discharge 14 in the lower extreme screw thread connection of funnel section 11, one side fixedly connected with mouth 1 of oil layer 11, slag notch is located the below of inlet tube 2, and bending section 10 is located the corrugated glass product 12, and corrugated tube 12 is located the corrugated tube 12 is located in the outside the bottom of the corrugated tube 12. The outside of the tank 38 is covered with a shield, the section of the shield is in a major arc shape, two ends of the shield are erected above the combustion chamber 40 so that a gap exists between the shield and the tank 38, flame and heat in the combustion chamber 40 enter the gap, heat energy utilization is improved, the bending section 10 is fixed in the funnel section 11 through a triangular bracket, and the oil inlet end of the bending section 10 is positioned above the main exhaust port 14. The base can be fixed on the travelling trolley, and when in use, the tank door 25 is assembled on the tank body 38, and when the combustion chamber is maintained or stopped, the tank door 25 is separated from the tank body 38, so that the maintenance and the detection or the slag discharge are convenient. The inner wall of the tank 38 is provided with a screw-threaded protrusion, the screw-threaded protrusion is screwed toward the slag discharge opening, and the screw power mechanism 29 comprises a screw motor which drives the slag discharge screw 30 to rotate through a belt or a gear. The upper end of the split tee 31 is connected with a heavy oil separator 46 through a pipeline, the heavy oil separator 46 is connected to an oil gas inlet pipe 4 through a pipeline, non-condensable gas coming out of an air outlet pipe 5 is conveyed into a heavy oil recovery tank 49 through a pipeline, an oil outlet pipe 13 on a condenser funnel section and an oil guide pipe at the lower end of the heavy oil separator are gathered and flow into the heavy oil recovery tank 49, a fire resistance tank 52 is connected above the liquid level in the heavy oil recovery tank 49 through a pipeline, the pipeline is immersed under the liquid level of the fire resistance tank, and the above liquid level of the fire resistance tank 52 is connected to a combustion chamber 40 through a pipeline. The lower extreme of reposition of redundant personnel tee bend is connected with cooling tank 53, be provided with the circulating water intermediate layer in the wall of cooling tank 53, the circulating water intermediate layer passes through the pipeline and is connected to cooling tower 47, cooling tank 53 passes through motor drive rotation in situ, the end of cooling tank 53 is provided with sorting conveyer 50, the end connection of sorting conveyer 50 has feed bin 51, sorting conveyer 50 is the conveyer belt conveyer, the downside of sorting conveyer 50 is provided with the electro-magnet section, the carbon black that separates from jar body 38 enters into cooling tank 53 through reposition of redundant personnel tee bend 31 lower extreme, enter into feed bin 51 after the separation of separation conveyer 50 magnetic separation iron-bearing slag. The lower end threaded connection of funnel section has total mouth of arranging, and one side fixedly connected with of funnel section arranges the sediment mouth, arranges the sediment mouth and is located the below of inlet tube, arranges the sediment mouth and stretches into the bottom of oil reservoir. The bending section is fixedly connected with a corrugated pipe which is a transparent glass product and is positioned at the outer side of the funnel section. The bending section is fixed in the funnel section through the tripod, and the oil inlet end of the bending section is positioned above the main discharge port. The rotating arm, the shaft sleeve, the shaft seat and the rotating shaft can be replaced by a corner oil cylinder. After the tank door and the tank body are buckled, the tank door and the tank body are locked through the meshing of the teeth. The position of the upper teeth of the tank door can be provided with a sealing glue.
Further, the water content of the carbonized municipal sludge is 25-34%. Further, carbon black is poured into the stirring tank in the storage bin, heavy oil is poured into the stirring tank from the heavy oil collecting tank, and other ingredients such as straw powder, wood dust and the like are placed on the ingredient conveying belt: further, the biomass energy particles of the invention comprise the following formula components:
55-60 parts of carbonized sludge with water content of 25-34%, 5-10 parts of straw powder, 5-10 parts of wood dust, 1-3 parts of carbon black, 5-10 parts of heavy oil, 5-10 parts of peanut shell,
biomass particles after extrusion, diameter: 6-8 mm, the length is 4-5 times of the diameter, the crushing rate is less than 1.5% -2.0%, the water content of a dried base after drying is less than 10% -15%, the ash content is less than 1.5%, and the sulfur content and the chlorine content are both less than 0.07%. The heating capacity is up to 8500-10000 kcal/kg. (the calorific value of the biomass particles prepared by using carbonized sludge is far higher than that of biomass particles in the conventional technology, and the calorific value of the biomass particles in the conventional technology is 3900-4800 kilocalories/kg).
In summary, the invention has the advantages of simple structure, convenient use, good sealing performance, no offset of the tank body rotation, high yield of thermal cracking products, high utilization rate of thermal cracking waste heat, direct utilization of thermal cracking waste heat for carbonization of sludge and direct use of thermal cracking products for biomass energy particle production, and improvement of automation degree and production continuity, and is specifically as follows:
1. the hot tank door adopts split type design, adopts tooth engagement sealing mode, no matter install or pull down the back, can not lead to the fact the influence to tank body weight center, keep its rotation time skew, guarantee the leakproofness after the assembly tank door, the leakproofness is good to reduce the fuel quantity, improves thermal cracking effect.
2. The three-point supporting rotation mode is adopted, the tank body keeps not to deviate when rotating, the abrasion degree of the auxiliary rotating bearing piece is small, and the service life is long.
3. The condenser part, there is not the oily trachea of crooked winding, avoid causing the explosion phenomenon because the condensation is uneven or the change of oily intraductal pressure, the oil gas advances the pipe and leads into the condenser jar internal with high temperature oil gas, for the internal high temperature oil gas cooling of condenser jar through the circulating water pipe in the intermediate layer, high temperature oil gas condensation obtains heavy oil to fall into the funnel section, the funnel section initial state just is filled with the oil reservoir (the oil reservoir is the heavy oil of retrieving too), after the oil reservoir page is higher than the bending section, heavy oil follows the bending section, the bellows is derived from the delivery pipe, it is visual to export the process bellows, after the liquid level is less than the bending section, stop the oil production. The precipitated oil is discharged through a slag discharging port, and the total slag discharging port is used for cleaning the tank. The condensing effect is obviously improved: the water return temperature of the circulating water pipe in the prior art is between 35 and 40 ℃, the water return temperature of the circulating water pipe is between 25 and 32, and meanwhile, the same tonnage of the same type of waste tires are treated, so that the yield of the obtained heavy oil is improved by 7 to 9 percent.
4. Through screw feeder power unit and the inside helicitic texture of jar body, supplementary sediment, can accomplish airtight slag tap under the condition of not opening jar door, reduce the shut down number of times.
5. Biomass particles after extrusion, diameter: 6-8 mm, the length is 4-5 times of the diameter, the crushing rate is less than 1.5% -2.0%, the water content of a dried base after drying is less than 10% -15%, the ash content is less than 1.5%, and the sulfur content and the chlorine content are both less than 0.07%. The heating capacity is up to 8500-10000 kcal/kg. (the calorific value of the biomass particles prepared by using carbonized sludge is far higher than that of biomass particles in the conventional technology, and the calorific value of the biomass particles in the conventional technology is 3900-4800 kilocalories/kg).
6. The invention has strong continuity, can utilize thermal cracking products and thermal cracking waste heat to carry out sludge carbonization, directly mix materials to produce biomass particles, reduce flow time and improve production efficiency.
Claims (4)
1. The thermal cracking equipment for preparing biomass energy particles after domestic garbage treatment and sludge carbonization comprises a tank body (38), a combustion chamber (40), a heavy oil recovery tank (49), a storage bin (51), a cooling tower (47), a cooling tank (53), a wet desulfurization device (43) and a condenser (48), wherein the tank body (38) is fixed above the combustion chamber (40), is characterized in that a flue gas collecting pipe (41) is fixedly connected onto the combustion chamber (40), the tail end of the flue gas collecting pipe (41) is connected with a flue gas purifying device (42), the flue gas purifying device (42) is connected to the wet desulfurization device (43) through a pipeline, the upper end of the wet desulfurization device (43) is connected with a draught fan (44) through a pipeline, the draught fan (44) is connected with an exhaust device (45) through a pipeline,
a tank door (25) is arranged at a feed inlet of a tank body (38), an auger power mechanism (29) is arranged at a slag discharge opening (35) of the tank body (38), a fluted disc (34) is fixedly connected to the other end of the tank body (38), a fixed sleeve (33) is connected to an upper shaft of the fluted disc (34), a positioning rotating frame (36) is arranged below the fixed sleeve (33), a groove is fixedly arranged above the positioning rotating frame (36), the groove is fixedly connected with the fixed sleeve (33), two supporting rotating frames (37) are arranged at the lower end of the feed inlet of the tank body (38), a rotating roller (39) is connected to an upper shaft of the supporting rotating frame (37), and the outer surface of the rotating roller (39) is tangential to the outer surface of the tank body (38); the side of the feed inlet of the tank body (38) is provided with a fixed column (16), the bottom of the fixed column (16) is fixedly welded with a base (15), the base (15) is fixed on the ground, the upper part of the fixed column (16) is fixedly provided with a shaft seat (17), the shaft seat (17) is in a trapezoid shape, the central position of the shaft seat (17) is fixedly provided with a rotary shaft (18), the rotary shaft (18) is connected with a shaft sleeve (19), the shaft sleeve (19) is in a column shape, the roller surface of the shaft sleeve (19) is fixedly welded with a rotary arm (20), the tail end of the rotary arm (20) is fixedly provided with a bracket (21), the bracket (21) is provided with a mounting rod (22), the mounting rod (22) is parallel to the fixed column (16), the lower end of the mounting rod (22) is fixedly provided with a cam (27), the cam (27) is fixed at the center of the tank door (25) through a bolt (28), the outer edge of the tank door (25) and the inner edge of the feed inlet of the tank body (38) are respectively provided with a plurality of teeth (26), the teeth (25) are in one-to-one correspondence with the teeth on the tank door (38), the teeth on the tank door (25) and the teeth are meshed with the teeth on the roller body (38), the auxiliary jacket (22 'and the auxiliary jacket (23') can be meshed with each other, the auxiliary rod is arranged in a middle part, and the auxiliary jacket (23 ',theauxiliary rod is meshed with the auxiliary rod (23',theauxiliary rod, and the auxiliary rod is in a clamp sleeve, both sides of the auxiliary jacket (23) are fixed on the tank door (25) through fixing screws (24);
the condenser (48) comprises an oil gas inlet pipe (4), an air outlet pipe (5), a condenser tank body (9), a water inlet pipe (2), a water return pipe (6) and a slag outlet (1), wherein a funnel section (11) is integrally formed at the lower part of the condenser tank body (9), an interlayer (8) is integrally formed on the condenser tank body (9) and the funnel section (11), the circulating water pipe (7) is coiled in the interlayer, one side of the funnel section (11) is provided with the water inlet pipe (2), one side of the upper end of the condenser tank body (9) is provided with the water return pipe (6), the water inlet pipe (2), the water return pipe (6), the circulating water pipe (7) and the cooling tower (47) form a water circulation passage, one end of an oil outlet pipe (13) is provided with a bending section (10), the bending section (10) is in a shape of n', an oil layer (3) is filled in the funnel section (11), the oil gas inlet pipe (4) is in the condenser tank body (9) in a penetrating way and suspended above the oil layer (3), the slag outlet pipe (5) is fixedly connected with the upper end of the condenser tank body (9) and is connected with the water outlet pipe (14) at one side of the water outlet pipe (1), the slag hole (1) is extended into the bottom of the oil layer (3), the bending section (10) is fixedly connected with a corrugated pipe (12), the corrugated pipe (12) is a transparent glass product, and the corrugated pipe (12) is positioned at the outer side of the funnel section (11);
the device is characterized in that a split tee joint (31) is arranged on the fixed sleeve (33), a threaded connecting section (32) is integrally formed at the left end of the split tee joint (31), the threaded connecting section (32) is screwed into the fixed sleeve so as to fix the split tee joint (31) on the fixed sleeve (33), an auger power mechanism (29) is fixed at the right end of the split tee joint (31), a slag-discharging auger (30) is arranged on the auger power mechanism (29), the slag-discharging auger (30) penetrates through the split tee joint (31), the fixed sleeve (33) and the fluted disc (34) and stretches into a slag-discharging opening (35) of the tank body (38), and a split opening is integrally formed at the upper end and the lower end of the split tee joint (31); the inner wall of the tank body (38) is provided with a screw thread screwing-in type bulge, the screw thread screwing-in type bulge is screwed in towards the slag discharge port, the screw feeder power mechanism (29) comprises a screw feeder motor, and the screw feeder motor drives the slag discharge screw feeder (30) to rotate through a belt or a gear;
the upper end of the split tee joint (31) is connected with a heavy oil separator (46) through a pipeline, the heavy oil separator (46) is connected to an oil gas inlet pipe (4) through a pipeline, non-condensable gas coming out of an air outlet pipe (5) is conveyed into a heavy oil recovery tank (49) through a pipeline, an oil outlet pipe (13) on a condenser funnel section and an oil guide pipe at the lower end of the heavy oil separator are gathered and flow into the heavy oil recovery tank (49), a fire resistance tank (52) is connected above the liquid level in the heavy oil recovery tank (49) through a pipeline, the pipeline is detected below the liquid level of the fire resistance tank, and the upper part of the liquid level of the fire resistance tank (52) is connected to a combustion chamber (40) through a pipeline;
the lower end of the separation tee joint is connected with a cooling tank (53), a circulating water interlayer is arranged in the wall of the cooling tank (53), the circulating water interlayer is connected to a cooling tower (47) through a pipeline, the cooling tank (53) is driven to rotate in situ through a motor, the tail end of the cooling tank (53) is provided with a separation conveying device (50), the tail end of the separation conveying device (50) is connected with a storage bin (51), the separation conveying device (50) is a conveyor belt conveyor, the lower side of the separation conveying device (50) is provided with an electromagnet section, carbon black separated from a tank body (38) enters the cooling tank (53) through the lower end of the separation tee joint (31), and the separated and magnetically separated iron-containing slag enters the storage bin (51) through the separation conveying device (50);
the heavy oil recovery tank (49) and the storage bin (51) are connected with a stirring tank (56) through a pipeline, and a flow control valve is arranged on the pipeline; one side of the stirring tank (56) is fixedly provided with a plurality of low-temperature carbonized sludge tanks (54), a heating water pipe and a vent pipe are coiled in the wall of the low-temperature carbonized sludge tanks (54), the heating water pipe and the vent pipe are coiled in parallel, the vent pipe is communicated with a flue gas collecting pipe (41), part of flue gas of the flue gas collecting pipe (41) is sucked into the vent pipe to complete heat exchange with the heating water pipe so as to maintain the temperature in the low-temperature carbonized sludge tanks between 80 ℃ and 150 ℃, a batching conveyer belt (55) is arranged between the low-temperature carbonized sludge tanks (54) and the stirring tank (56), a discharge port of the stirring tank (56) is connected with an extruder (57), and a discharge port of the extruder (57) is connected with a drying cylinder (58).
2. The thermal cracking equipment for preparing biomass energy particles after domestic garbage treatment and sludge carbonization according to claim 1, wherein the upper end of the installation rod (22) is provided with an extensible extension rod, and the extension rod is connected with the bracket (21) in a shaft way; a flue gas purification device (42) is arranged between the flue gas collecting pipe (41) and the wet desulphurization device (43), a first decompression section (69), a second decompression section (68), a third decompression section (67) and a combustion chamber (63) are arranged on the flue gas purification device (42), a baffle plate (62) is fixedly connected in the first decompression section (69), the second decompression section (68) and the third decompression section (67), the baffle plate (62) separates the first decompression section (69), the second decompression section (68) and the third decompression section (67) into n-shaped flue gas chambers (61), the flue gas chambers (61) on the first decompression section (69), the second decompression section (68) and the third decompression section (67) are connected to form a corrugated flue gas passage, the lower part of the first decompression section (69) is fixedly connected with a flue gas inlet pipe (59), the tail end of the flue gas chamber (61) of the third decompression section (67) is fixedly connected with the combustion chamber (63), the upper end of the combustion chamber (63) is fixedly connected with the flue gas outlet pipe (60), the side surface of the combustion chamber (63) is provided with a mixed gas pipe (66), the mixed gas inlet nozzle (64) is connected with a mixed gas injection nozzle (64) and the mixed gas (64) is connected with a mixed gas injection nozzle (64) on the bottom of the mixed gas injection nozzle (64), the gas nozzle (64) is towards the end position of a flue gas cavity (61) on a third decompression section (67), the flue gas temperature in a first decompression section (69), a second decompression section (68) and a third decompression section (67) is 800-850 ℃, the temperature in a combustion chamber (63) is higher than 1200 ℃, a wet desulfurization device is connected to a cooling tower through a water pipe, the upper end of the wet desulfurization device is connected to an induced draft fan through a pipeline, the induced draft fan is connected to an exhaust device through a pipeline, a flue gas outlet pipe (60) on the combustion chamber (63) is connected to the wet desulfurization device through a pipeline, a flue gas collecting pipe is connected to a flue gas inlet pipe (59) of the first decompression section (69) through a pipeline, and the gas exhausted by the exhaust device is cooled to 30-40 ℃.
3. Thermal cracking equipment for preparing biomass energy particles after domestic garbage treatment and sludge carbonization according to claim 1, characterized in that the outer side of the tank body (38) is covered with a protective cover, the section of the protective cover is in a major arc shape, two ends of the protective cover are erected above the combustion chamber (40) so that a gap for flame and heat in the combustion chamber (40) to enter is formed between the protective cover and the tank body (38), the bending section (10) is fixed in the funnel section (11) through a triangular bracket, and the oil inlet end of the bending section (10) is positioned above the main exhaust port (14).
4. Thermal cracking plant for the preparation of biomass energy particles after treatment of household waste and carbonization of sludge according to claim 1, characterized in that the base is fixed to a travelling trolley, the tank door (25) is assembled to the tank (38) in use, and the tank door (25) is separated from the tank (38) in the event of maintenance or shutdown of the combustion chamber.
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