CN110105976B - Equipment based on solar energy preheats and schizolysis junked tire - Google Patents
Equipment based on solar energy preheats and schizolysis junked tire Download PDFInfo
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- CN110105976B CN110105976B CN201910379063.5A CN201910379063A CN110105976B CN 110105976 B CN110105976 B CN 110105976B CN 201910379063 A CN201910379063 A CN 201910379063A CN 110105976 B CN110105976 B CN 110105976B
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- 238000005336 cracking Methods 0.000 claims abstract description 116
- 238000003860 storage Methods 0.000 claims abstract description 64
- 239000012265 solid product Substances 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000011027 product recovery Methods 0.000 claims abstract description 8
- 239000013529 heat transfer fluid Substances 0.000 claims description 61
- 150000003839 salts Chemical class 0.000 claims description 49
- 210000002310 elbow joint Anatomy 0.000 claims description 27
- 238000005485 electric heating Methods 0.000 claims description 23
- 239000010920 waste tyre Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000002893 slag Substances 0.000 claims description 12
- 239000006229 carbon black Substances 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 9
- 239000000047 product Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 238000009529 body temperature measurement Methods 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 abstract description 29
- 230000008901 benefit Effects 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 239000002803 fossil fuel Substances 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 59
- 239000012634 fragment Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 22
- 239000002028 Biomass Substances 0.000 description 11
- 239000011261 inert gas Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000004227 thermal cracking Methods 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011286 gas tar Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
Classifications
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- 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
- C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
-
- 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
- C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
-
- 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
- Y02P20/133—Renewable energy sources, e.g. sunlight
-
- 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
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
Abstract
The invention discloses equipment for preheating and cracking junked tires based on solar energy, which comprises a heat collecting device, a feeding preheating device, a cracking device, an oil-gas separation storage device, a solid product recovery device and an automatic control system, wherein the heat collecting device is connected with the feeding preheating device; the devices are connected with each other, and the heat collecting device in the device for preheating and cracking the junked tires based on solar energy can absorb the solar energy to provide necessary temperature for cracking the junked tires; the dish type heat collector in the heat collector can collect sunlight, and the invention solves the defects of strong dependence on fossil fuel or electricity and insufficient heat supply caused by factors such as weather, different time periods and the like of the traditional pyrolysis mode in the prior art, improves economic benefit and reduces carbon emission; the automatic tracking device of the dish type heat collector can automatically adjust the direction and the angle of the reflecting plate along with the movement of the sun, provide stable solar radiation for the receiver, ensure sufficient heat energy output and solve the problem of insufficient heat sources caused by seasons and climate factors.
Description
Technical Field
The invention relates to a device for reprocessing junked tires, in particular to equipment for preheating and cracking junked tires based on solar energy.
Background
The world tire yield in 2018 is estimated to be over 22 hundred million, the annual tire demand can be over 25 hundred million by 2020, the annual compound speed increase is about 3% -5%, and the number of waste tires is continuously increased. Junked tires are considered to be an increasingly serious environmental and economic issue, so how to reasonably and efficiently treat these junked tires is becoming a focus of widespread attention in various countries. The method for comprehensively utilizing the waste tires in China mainly comprises the steps of retreading and remanufacturing the waste tires, producing reclaimed rubber, rubber powder, thermally cracking and the like, but the utilization efficiency and the economy of the first three treatment modes are low, and the method is gradually eliminated at present. The waste tires are thermally cracked to obtain high-energy hydrogen and carbon, which is considered to be a more environment-friendly and efficient treatment method. Pyrolysis is the most potential treatment mode in the recycling mode of waste tires, and can realize the complete recycling recovery of the waste tires, and the pyrolysis products of the produced high-quality pyrolysis oil and the pyrolysis carbon black waste tires are materials with high added value, such as oil, carbon and hydrogen carbon gas, and steel ropes. However, the pyrolysis of junked tires has high energy requirements, and at present, a pyrolysis source is mainly provided by burning fossil fuel or electric heating, so that the energy consumption is high, the quality of the pyrolysis carbon black is poor, the yield is low, and therefore, the pyrolysis is considered as a reprocessing technology with low economic benefit.
CN201520987183.0 relates to a novel biomass thermal cracking device, which belongs to the technical field of biomass thermochemical conversion, and comprises a combustion chamber and an outer barrel arranged in the combustion chamber, wherein an inner barrel is arranged in the center of the outer barrel, a serpentine distributed spiral heat exchange pipe is arranged in the outer barrel, the spiral heat exchange pipe is wound on the outer wall of the inner barrel, an air distribution plate is arranged at the bottom end of the inner barrel, and a centrifugal blower is arranged above the combustion chamber. The biomass thermal cracking device adopts high-temperature hot air which is introduced into a combustion chamber between an outer cylinder and an inner cylinder, and directly heats biomass raw materials by utilizing the wall of the outer cylinder and the wall of the inner cylinder, so that the thermal contact area of the biomass raw materials is shortened; the high-temperature fluidization gas formed by mixing the non-condensable combustible gas and the high-temperature hot air is utilized to heat the biomass raw material again, so that the heating efficiency is improved, and the energy consumption is reduced; the total height of the device is reduced by 40-50% compared with the existing thermal cracking device, the production cost is reduced, but the spiral heat exchange tube is an air preheater, is preheated by non-condensable gas, has low temperature of the preheated non-combustible gas, and needs to be mixed with high-temperature hot air to heat biomass raw materials. CN201810362790.6 discloses a continuous cracking device for EPT junked tires, comprising a cracking furnace connected with a tire feeding system, a heating device for heating the cracking furnace, a solid-gas separator communicated with the cracking furnace, a condenser communicated with the solid-gas separator, an oil-gas separator communicated with the condenser, and an oil storage tank and a gas storage tank communicated with the oil-gas separator. The inside of the cracking furnace is provided with a vertically arranged cracking tube, the upper end is fed, and the lower end is discharged, so that continuous cracking of the tire is realized. The invention also discloses a method for continuously cracking the waste tires by adopting the device, which realizes the complete cracking of the tires by controlling the process conditions, has good cracking effect and high production efficiency, and adopts the heating mode that a cracking furnace heats a cracking tube and preheating and cracking are completed in the cracking tube; CN200710017023.3 discloses a method and device for pyrolysis of biomass gas tar, the method mainly comprises the steps of (a) gasification of biomass gasification furnace; (B) Washing with water, filtering, and performing high-temperature pyrolysis in a special high-temperature pyrolysis device to obtain biomass gas with the temperature of 250-350 ℃ discharged from the steps (A) and (B), and performing pyrolysis reaction in a special high-temperature pyrolysis furnace at the temperature of 800-1200 ℃ to obtain low-carbon methane, ethane and ethylene combustible gas; the purified gas enters a user network for use. The device comprises a controller, an air inlet pipe, a reversing valve, a thermocouple, an exhaust pipe, a cracking furnace and a heater, and is characterized in that the cracking furnace is of a three-section structure, a high-temperature heating section is arranged in the middle, low-temperature storage sections are arranged at the two ends of the cracking furnace, the reversing valve is respectively arranged at the two ends of the cracking furnace, one end of the valve is connected with the air inlet pipe, the other end of the valve is connected with the exhaust pipe, the thermocouple electrically connected with the controller is arranged on the exhaust pipe and the reversing valve, and the reversing valve is in two passage states and controls biomass gas to flow positively and reversely. However, the above technology does not disclose a method and apparatus for performing the tire cracking by using clean energy such as solar energy and the like and by using a complete system of processes.
The method has the advantages that the solar heat energy is utilized to replace or partially replace the fossil fuel or electric heating cracking technology, the solar heat collection and natural gas fuel are combined to heat, the strong dependence of the cracking process on the fossil fuel or electricity is reduced, the defect of unstable solar heat collection is overcome, the advantages of solar heat collection are brought into play, the dependence of the fossil fuel is reduced, and the environmental pollution is reduced.
Disclosure of Invention
The invention aims to provide a device for obtaining oil products, steel wires and carbon black by utilizing solar energy to preheat and crack waste tires. Solves the problem that the prior thermal cracking technology strongly depends on fossil raw materials and electric energy so as to improve economic benefit and reduce environmental pollution.
In order to achieve the above purpose, the present invention provides the following technical solutions: equipment based on solar energy preheats and schizolysis junked tire, its characterized in that: comprises a heat collecting device, a feeding preheating device, a cracking device, an oil-gas separation storage device, a solid product recovery device and an automatic control system.
The devices are connected with each other, and the heat collecting device in the device for preheating and cracking the junked tires based on solar energy can absorb the solar energy to provide necessary temperature for cracking the junked tires;
the feeding preheating device comprises a hopper, a spiral feeder and a pushing device, wherein the spiral feeder comprises a tube shell heat exchanger and a screw rod, tube bundles of the tube shell heat exchanger are parallel to a central shaft of the screw rod and are uniformly distributed in the outer wall of the spiral feeder, and the screw rod is positioned at the center of the spiral feeder; the pushing device is positioned at the upper left part of the spiral feeder and comprises a pushing block and a transmission device, and the bottom edge of the pushing block and the bottom edge of the feeding door are positioned on the same horizontal line.
The solar heat collecting device comprises a disc type heat collector, a hot salt storage tank, an expansion tank and a cold salt storage tank, wherein the disc type heat collector consists of a photoelectric sensor, a reflecting plate, an automatic tracking device and a receiver, the photoelectric sensor is positioned on the surface of the reflecting plate and is used for receiving and converting sunlight signals into electric signals, and the incident angle of the sunlight is measured; the automatic tracking device comprises two servo motors, namely a servo motor A and a servo motor B, and drives the waist joint to swing left and right and the elbow joint to pitch; the receiver is positioned at the focus of the reflecting plate, the interior of the receiver is provided with stirring blades, one outlet is connected with the hot salt circulating pump after passing through the hot salt storage tank, the other outlet is directly connected with the hot salt circulating pump, and the hot salt storage tank temporarily stores heat transfer fluid when the heat transfer fluid is excessive for later use; the expansion tank can replenish the lost heat transfer fluid in the system and discharge the gas entering the heat transfer fluid when the reversing valve is in the switching state; the cold salt storage tank can store the heat transfer fluid in the pipeline, the heat exchanger and the receiver by overflowing from the expansion tank into the cold salt storage tank at night or in bad weather conditions, so as to prevent the heat transfer fluid from cooling and solidifying, and cause blockage and corrosion of the pipeline and the device.
Further, the heat collecting device is connected with the feeding preheating device and the cracking device through the fluid pipeline respectively, the cracking device is connected with the oil-gas separation storage device through the oil-gas pipeline, and the heat collecting device comprises: the solar heat collector comprises a disc type heat collector, a hot salt storage tank and a cold salt storage tank, wherein the disc type heat collector consists of a support frame, a waist joint, an elbow joint, a reflecting plate, a photoelectric sensor and a receiver; the reflecting plate is an arc-shaped plate, the upper part of the supporting frame is connected with a waist joint, an elbow joint is hinged with the waist joint, the elbow joint is fixedly connected with the reflecting plate, the photoelectric sensor is arranged in the arc of the reflecting plate, the elbow joint is fixedly connected with a circular receiver through an intermediate connecting rod, and stirring blades are arranged in the circular receiver; the receiver is respectively connected with the feeding preheating device and the cracking device through fluid pipelines.
The cracking device comprises a feeding door, a spiral heat exchange tube, an electric heating plate, a rotary spiral belt type stirrer, a baffle, an oil gas outlet, a cracking furnace base and a vibrating grate, wherein the feeding door is positioned at the upper left part of the cracking furnace and is connected with the cracking furnace through a hinge, and a slope of 1-2 degrees is formed between the feeding door and the horizontal direction, so that the oil gas leakage caused by the imprecise closing of the feeding door is prevented; the spiral heat exchange tube is positioned in the furnace wall of the cracking furnace, and the inlet and the outlet are respectively connected with a reversing valve and a heat transfer fluid through a cold salt circulating pump; the electric heating plate is attached to the inner wall of the cracking furnace, and the inner surface of the electric heating plate is provided with a baffle plate made of anti-corrosion materials; the rotary spiral belt type stirrer is positioned at the center of the cracking furnace, the upper part of the rotary spiral belt type stirrer is connected with the top of the cracking furnace through a bearing, and the lower part of the rotary spiral belt type stirrer is supported by the bottom seat of the cracking furnace; the rotary spiral belt type stirrer is matched with the baffle plate for use, so that stirring is uniform and swirling does not occur; the center of the cracking furnace base is provided with a vibrating grate, and the cracked carbon black and steel wire mixture falls off through a gap of the vibrating grate.
The oil-gas separation storage device comprises a drain valve, an air preheater, a condensing tower, a gas storage tank and an oil storage tank, wherein the drain valve can absorb water vapor in oil gas, and the air preheater is used for preheating inert gas introduced from the outside and promoting the discharge of the oil gas; non-condensable gas entering the condensing tower enters the gas storage tank, and condensable oil products enter the oil storage tank.
The solid product recovery device comprises a discharge switch, a slag remover, a gravity winnowing machine and a movable trolley;
the discharging switch is opened after the pyrolysis is completed, solid products generated by the pyrolysis are discharged into the slag remover through a gap of the vibrating grate, a push plate is arranged in the slag remover, carbon black and steel wires after dust and sand are removed are pushed into the gravity winnowing machine to be separated, the steel wires directly enter the movable trolley, and the carbon black is put into the movable trolley after being packed.
The heat collection device control system comprises a disc-type light-gathering heat collection controller, a temperature sensor, an electric heating plate relay, a reversing valve and an unloading valve, wherein the disc-type light-gathering heat collection controller comprises a GPS (global positioning system) positioning system and a DSP (digital signal processor); the temperature sensor is positioned at the outlet of the heat collecting device, the temperature sensor outputs the temperature of the heat transfer fluid to the heat collecting device control system, the output signal of the heat collecting device control system controls the connection state of the reversing valve, and the outlet of the reversing valve is connected with the spiral heat exchange pipe of the cracking furnace and the shell-and-tube heat exchanger of the spiral feeder; the electric heating plate relay is positioned between the electric heating plate and the circuit of the power supply and controls the opening and closing of the circuit.
The inner wall of the pyrolysis furnace base is inclined at 2-3 degrees with the horizontal direction, and pyrolysis products are driven to rotate by a spiral belt type stirrer and are discharged smoothly along the inclined furnace bottom under the action of self gravity.
The heat transfer fluid is nitrate, wherein the hot salt storage tank and the cold salt storage tank are both the same nitrate.
The three switching states of the reversing valve are normally closed, and a 3-5 second interval is reserved between the switching states of the two channels, at the moment, the reversing valve is in the closed state, the pressure in the pipeline is increased, at the moment, the unloading valve is opened, so that heat transfer fluid in the pipeline is discharged through the circulating pump before switching.
The one-way valve cuts off the pipeline when the heat transfer fluid is emptied at night or in bad weather conditions, so that the heat transfer fluid can only enter the expansion tank and then overflows into the cold salt storage tank for storage.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the two heat supply modes of solar heat collection and electric heating plate heating are matched to supply heat for the cracking process, so that on one hand, the strong dependence of the traditional pyrolysis mode on fossil fuel or electricity is reduced, on the other hand, the defect of insufficient heat supply of sunlight due to factors such as weather, different time periods and the like is overcome, the economic benefit is improved, and the carbon emission is reduced;
2. the automatic tracking device of the disc type heat collector can automatically adjust the direction and the angle of the reflecting plate along with the movement of the sun, so as to provide stable solar radiation for the receiver and ensure sufficient heat energy output; in addition, the number of the dish-type heat collectors can be adjusted to solve the problem of insufficient heat sources caused by seasons and climatic factors;
3. the nitrate has good thermal stability and high specific heat capacity, can be used as a heat storage carrier to relieve the problem of insufficient heat at night, has high use temperature and high convection heat transfer coefficient, can be used as a heat transfer fluid to effectively improve the heat transfer efficiency, and has oxidation-reduction reaction with iron atoms in a pipeline material to form an oxide film on the surface of the pipeline so as to reduce the corrosion of the pipeline; the fluid heat transfer system is stopped in cloudy days or at night, the unloading valve is matched with the circulating pump to timely remove the residual heat transfer fluid in the pipeline, the heat transfer fluid in the receiver flows back under the action of self gravity and enters the cold salt storage tank after being blocked by the one-way valve, so that the blockage and corrosion caused by the cooling of the heat transfer fluid in the pipeline are effectively avoided;
4. the pyrolysis device has compact structure, and improves the utilization efficiency of heat; the heating mode can realize automatic control, convenient and fast. The oil gas pipeline is provided with a heat exchange device, preheated inert gas is introduced into the cracking furnace to promote the discharge of cracking oil gas, so that the multi-stage utilization of energy is realized, and the utilization efficiency of energy is improved.
Drawings
FIG. 1 is a schematic diagram of a preheating and cracking apparatus for preheating and cracking scrap tires by solar energy.
FIG. 2 is a schematic diagram of a heat collection device for preheating and cracking junked tires by solar energy.
FIG. 3 is a process flow diagram of solar energy preheating and scrap tire cracking.
The reference numbers in the drawings: the device comprises a support frame 1, a waist joint 2, an elbow joint 3, a reflecting plate 4, a photoelectric sensor 5, a receiver 6, a stirring blade 7, a temperature sensor 8, a hot salt storage tank 9, a hot salt circulating pump 10, a reversing valve 11, an unloading valve 12, a motor 13, a hopper 14, a shell-and-tube heat exchanger 15, a screw 16, a push block 17, a spiral heat exchange tube 18, an electric heating plate 19, a feed gate 20, a baffle 21, a rotary spiral belt stirrer 22, an oil gas outlet 23, a drain valve 24, an air preheater 25, a condensing tower 26, an oil storage tank 27, an air storage tank 28, a fan 29, a movable trolley 30, a gravity winnowing machine 31, a deslagging machine 32, a discharge switch 33, a vibrating grate 34, a cracking furnace base 35, a cold salt circulating pump 36, a one-way valve 37, an expansion tank 38 and a cold salt storage tank 39
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1
Example 1
In the embodiment of the invention, the device for preheating and cracking the junked tires based on solar energy comprises: the device comprises a heat collecting device, a feeding preheating device, a cracking device, an oil-gas separation storage device, a solid product recovery device and an automatic control system.
The devices are connected with each other, and the heat collecting device in the device for preheating and cracking the junked tires based on solar energy can absorb the solar energy to provide necessary temperature for cracking the junked tires;
the heat collecting device is connected with the feeding preheating device and the cracking device through fluid pipelines respectively, the cracking device is connected with the oil-gas separation storage device through an oil-gas pipeline, and the heat collecting device comprises: the dish type heat collector, the hot salt storage tank 9 and the cold salt storage tank 39, wherein the dish type heat collector consists of a support frame 1, a waist joint 2, an elbow joint 3, a reflecting plate 4, a photoelectric sensor 5 and a receiver 6; the reflecting plate 4 is an arc-shaped plate, the upper part of the supporting frame 1 is connected with the waist joint 2, the elbow joint 3 is hinged with the waist joint 2, the elbow joint 3 is fixedly connected with the reflecting plate 4, the photoelectric sensor 5 is arranged in the arc of the reflecting plate 4, the elbow joint 3 is fixedly connected with the circular receiver 6 through the middle connecting rod, and the circular receiver 6 is internally provided with the stirring blade 7; the receiver 6 is respectively connected with the feeding preheating device and the cracking device through fluid pipelines;
the feeding preheating device comprises a hopper 14, a tube shell heat exchanger 15, a spiral feeder and a pushing device, wherein the tube bundles of the tube shell heat exchanger 15 are parallel to the central axis of the screw rod and are uniformly distributed in the outer wall of the spiral feeder; the pushing device is positioned at the upper left of the spiral feeder and comprises a pushing block 17 and a transmission device, and the bottom edge of the pushing block 17 and the bottom edge of the feeding door 20 are positioned on the same horizontal line;
the heat collecting device is connected with a heat collecting device control system, the heat collecting device control system calculates the incident angle lambda and the movement rule of sunlight according to a GPS positioning system and the light and electric signals of the photoelectric sensor 5, the servo motor A controls the waist joint 2 to do rotary movement around the axis of the support frame 1 according to the movement rule of the sun, the servo motor B controls the elbow joint 3 to do pitching movement, the included angle between the reflecting plate 4 and the horizontal direction is adjusted, the sunlight is accurately reflected to the receiver 6 through the reflecting plate 4, the heat transfer fluid in the heat transfer fluid is heated, and the stirring blades 7 stir the heat transfer fluid to be heated uniformly.
The temperature sensor 8 detects the temperature of the heat transfer fluid at the outlet of the heat collection device, and transmits the temperature to the automatic control system, and the automatic control system adjusts the connection state of the circuits of the reversing valve 11 and the electric heating plate 19 according to the temperature of the heat transfer fluid; part of the high-temperature heat transfer fluid after temperature measurement enters a hot salt storage tank 9, the other part is directly sent to a reversing valve 11 by a hot salt circulating pump 10, and the outlet of the reversing valve 11 is respectively connected with a spiral heat exchange pipe 18 of a passage (2) entering a cracking furnace and a shell-and-tube heat exchanger 15 of a spiral feeder of a passage (1);
an unloading valve 12 is connected in parallel to the feed preheater and the cracker.
The baffle plate 21 is arranged on the inner surface of the electric heating plate 19; the vibrating grate 34 is mounted on the pyrolysis furnace base 35;
when the temperature of the heat transfer fluid is below 200 ℃, the reversing valve 11 is connected with the loop (1), and the heat transfer fluid enters the shell-and-tube heat exchanger 15 in the spiral feeder, so that the tire fragments are preheated in the low-speed feeding process;
the method comprises the steps of putting waste tires into a hopper 14 after cleaning broken magnetic separation steel wires, rotating a motor 13 at a low speed, stopping rotating the motor 13 when tire fragments enter a spiral feeder, fully preheating the tire fragments, re-rotating the motor 13, pushing the tire fragments to move upwards by a screw 16, and switching on an electric circuit of an electric heating plate 19 to provide heat for a cracking process;
when the tire fragments are discharged out of the screw feeder and accumulated on the right side of the pushing block 17 for a certain amount, the motor 13 stops rotating, the driving device pushes the pushing block 17 to push the tire fragments into the cracking furnace through the feeding door 20, the furnace wall at the feeding door 20 has a wedge angle of 2-3 degrees, after the feeding is completed, the high-pressure gas in the cracking furnace can close the feeding door 20, and the furnace wall wedge angle enables the tire fragments to be compressed; the rotary spiral belt type stirrer 22 drives the tire fragments to rotate, the tire fragments are blocked by the baffle plate 21, the tire fragments are heated uniformly in the cracking furnace, and solid products generated by cracking are discharged out of the cracking furnace through gaps of the vibrating grate 34.
When the discharge switch 33 is opened, the cracked solid product falls into the slag remover 32 through the gap of the vibrating grate 34, dust and sand in the solid product are removed, then the solid product is pushed into the gravity winnowing machine 31 through the push plate in the slag remover 32, and when the fan 29 continuously ventilates, lighter carbon black is packaged from the upper channel and put into the movable trolley 30.
The oil gas generated by pyrolysis is discharged from an oil gas outlet 23, absorbed by a drain valve 24 and then enters an air preheater 25, and the air preheater 25 preheats inert gas introduced from the outside; the preheated oil gas enters a condensing tower 26 for oil-gas separation, the condensable oil product enters an oil storage tank 27, and the non-condensable gas enters an air storage tank 28; the preheated inert gas enters the cracking furnace to promote the discharge of oil gas.
The heat transfer fluid after the completion of the preheating and cracking process is pumped back into the receiver 6 by the cold salt circulating pump 36 through the check valve 37, the lost heat transfer fluid is replenished from the expansion tank 38, and the fluid of the heat transfer system overflows into the cold salt storage tank 39 through the expansion tank 38 at night or when weather conditions are bad.
Example two
In the embodiment of the invention, the device for preheating and cracking the junked tires based on solar energy comprises: the device comprises a heat collecting device, a feeding preheating device, a cracking device, an oil-gas separation storage device, a solid product recovery device and an automatic control system.
The devices are connected with each other, and the heat collecting device in the device for preheating and cracking the junked tires based on solar energy can absorb the solar energy to provide necessary temperature for cracking the junked tires;
the feeding preheating device comprises a hopper 14, a tube shell heat exchanger 15, a spiral feeder and a pushing device, wherein the tube bundles of the tube shell heat exchanger 15 are parallel to the central axis of the screw rod and are uniformly distributed in the outer wall of the spiral feeder; the pushing device is positioned at the upper left of the spiral feeder and comprises a pushing block 17 and a transmission device, and the bottom edge of the pushing block 17 and the bottom edge of the feeding door 20 are positioned on the same horizontal line;
the heat collecting device is connected with the feeding preheating device and the cracking device through fluid pipelines respectively, the cracking device is connected with the oil-gas separation storage device through an oil-gas pipeline, and the heat collecting device comprises: the dish type heat collector, the hot salt storage tank 9 and the cold salt storage tank 39, wherein the dish type heat collector consists of a support frame 1, a waist joint 2, an elbow joint 3, a reflecting plate 4, a photoelectric sensor 5 and a receiver 6; the reflecting plate 4 is an arc-shaped plate, the upper part of the supporting frame 1 is connected with the waist joint 2, the elbow joint 3 is hinged with the waist joint 2, the elbow joint 3 is fixedly connected with the reflecting plate 4, the photoelectric sensor 5 is arranged in the arc of the reflecting plate 4, the elbow joint 3 is fixedly connected with the circular receiver 6 through the middle connecting rod, and the circular receiver 6 is internally provided with the stirring blade 7; the receiver 6 is respectively connected with the feeding preheating device and the cracking device through fluid pipelines;
the heat collecting device is connected with a heat collecting device control system, the heat collecting device control system calculates the incident angle lambda and the movement rule of sunlight according to a GPS positioning system and the light and electric signals of the photoelectric sensor 5, the servo motor A controls the waist joint 2 to do rotary movement around the axis of the support frame 1 according to the movement rule of the sun, the servo motor B controls the elbow joint 3 to do pitching movement, the included angle between the reflecting plate 4 and the horizontal direction is adjusted, the sunlight is accurately reflected to the receiver 6 through the reflecting plate 4, the heat transfer fluid in the heat transfer fluid is heated, and the stirring blades 7 stir the heat transfer fluid to be heated uniformly.
The temperature sensor 8 detects the temperature of the heat transfer fluid at the outlet of the heat collection device, and transmits the temperature to the automatic control system, and the automatic control system adjusts the connection state of the reversing valve 11 and the electric heating plate circuit according to the temperature of the heat transfer fluid; part of the high-temperature heat transfer fluid after temperature measurement enters a hot salt storage tank 9, the other part is directly sent to a reversing valve 11 by a hot salt circulating pump 10, and the outlet of the reversing valve 11 is respectively connected with a spiral heat exchange pipe 18 of a passage (2) entering a cracking furnace and a shell-and-tube heat exchanger 15 of a spiral feeder of a passage (1);
an unloading valve 12 is connected in parallel to the feed preheater and the cracker.
The baffle plate 21 is arranged on the inner surface of the electric heating plate 19; the vibrating grate 34 is mounted on the pyrolysis furnace base 35;
when the temperature of the heat transfer fluid reaches 200-450 ℃ and does not reach the cracking temperature, the reversing valve 11 is connected with the loop (2), the heat transfer fluid enters the spiral heat exchange tube 18 in the cracking furnace to be communicated, the heat transfer fluid provides part of heat for the pyrolysis process, and meanwhile, the electric circuit of the electric heating plate 19 is connected to provide heat for the pyrolysis process;
washing, crushing and magnetically separating the waste tires, then placing the waste tires in sunlight for solarization, putting the waste tires into a hopper 14 after the waste tires are dried, driving a screw 16 to rotate at a low speed by a stepping motor, pushing tire fragments to advance by the screw 16, discharging the tire fragments from a screw feeder, and accumulating the tire fragments on the right side of a push block 17 by a certain amount, wherein the motor 13 stops rotating; the transmission device pushes the pushing block 17 to push the tire fragments into the rotary spiral belt type stirrer 22 of the cracking furnace through the feeding door 20, the furnace wall at the feeding door 20 has a wedge angle of 2-3 degrees, after the feeding is completed, the high-pressure gas in the cracking furnace can close the feeding door 20, and the furnace wall is tightly pressed by the wedge angle; the rotary spiral belt type stirrer 22 drives the tire fragments to rotate, the tire fragments are blocked by the baffle plate 21, the tire fragments are heated uniformly in the cracking furnace, and solid products generated by cracking are discharged out of the cracking furnace through gaps of the vibrating grate 34.
When the discharge switch 33 is opened, the cracked solid product falls into the slag remover 32 through the gap of the vibrating grate 34, dust and sand in the solid product are removed, then the solid product is pushed into the gravity winnowing machine 31 through the push plate in the slag remover 32, and when the fan 29 continuously ventilates, lighter carbon black is packaged from the upper channel and put into the movable trolley 30.
The oil gas generated by pyrolysis is discharged from an oil gas outlet 23, absorbed by a drain valve 24 and then enters an air preheater 25, and the air preheater 25 preheats inert gas introduced from the outside; the preheated oil gas enters a condensing tower 26 for oil-gas separation, the condensable oil product enters an oil storage tank 27, and the non-condensable gas enters an air storage tank 28; the preheated inert gas enters the cracking furnace to promote the discharge of oil gas.
The heat transfer fluid after the completion of the preheating and cracking process is pumped back into the receiver 6 by the cold salt circulating pump 36 through the check valve 37, the lost heat transfer fluid is replenished from the expansion tank 38, and the fluid of the heat transfer system overflows into the cold salt storage tank 39 through the expansion tank 38 at night or when weather conditions are bad.
Example III
In the embodiment of the invention, the device for preheating and cracking the junked tires based on solar energy comprises: the device comprises a heat collecting device, a feeding preheating device, a cracking device, an oil-gas separation storage device, a solid product recovery device and an automatic control system.
The devices are connected with each other, and the heat collecting device in the device for preheating and cracking the junked tires based on solar energy can absorb the solar energy to provide necessary temperature for cracking the junked tires;
the feeding preheating device comprises a hopper 14, a tube shell heat exchanger 15, a spiral feeder and a pushing device, wherein the tube bundles of the tube shell heat exchanger 15 are parallel to the central axis of the screw rod and are uniformly distributed in the outer wall of the spiral feeder; the pushing device is positioned at the upper left of the spiral feeder and comprises a pushing block 17 and a transmission device, and the bottom edge of the pushing block 17 and the bottom edge of the feeding door 20 are positioned on the same horizontal line;
the heat collecting device is connected with the feeding preheating device and the cracking device through fluid pipelines respectively, the cracking device is connected with the oil-gas separation storage device through an oil-gas pipeline, and the heat collecting device comprises: the dish type heat collector, the hot salt storage tank 9 and the cold salt storage tank 39, wherein the dish type heat collector consists of a support frame 1, a waist joint 2, an elbow joint 3, a reflecting plate 4, a photoelectric sensor 5 and a receiver 6; the reflecting plate 4 is an arc-shaped plate, the upper part of the supporting frame 1 is connected with the waist joint 2, the elbow joint 3 is hinged with the waist joint 2, the elbow joint 3 is fixedly connected with the reflecting plate 4, the photoelectric sensor 5 is arranged in the arc of the reflecting plate 4, the elbow joint 3 is fixedly connected with the circular receiver 6 through the middle connecting rod, and the circular receiver 6 is internally provided with the stirring blade 7; the receiver 6 is respectively connected with the feeding preheating device and the cracking device through fluid pipelines;
the heat collecting device is connected with a heat collecting device control system, the heat collecting device control system calculates the incident angle lambda and the movement rule of sunlight according to a GPS positioning system and the light and electric signals of the photoelectric sensor 5, the servo motor A controls the waist joint 2 to do rotary movement around the axis of the support frame 1 according to the movement rule of the sun, the servo motor B controls the elbow joint 3 to do pitching movement, the included angle between the reflecting plate 4 and the horizontal direction is adjusted, the sunlight is accurately reflected to the receiver 6 through the reflecting plate 4, the heat transfer fluid in the heat transfer fluid is heated, and the stirring blades 7 stir the heat transfer fluid to be heated uniformly.
The temperature sensor 8 detects the temperature of the heat transfer fluid at the outlet of the heat collection device, and transmits the temperature to the automatic control system, and the automatic control system adjusts the connection state of the reversing valve 11 and the electric heating plate circuit according to the temperature of the heat transfer fluid; part of the high-temperature heat transfer fluid after temperature measurement enters a hot salt storage tank 9, the other part is directly sent to a reversing valve 11 by a hot salt circulating pump 10, and the outlet of the reversing valve 11 is respectively connected with a spiral heat exchange pipe 18 of a passage (2) entering a cracking furnace and a shell-and-tube heat exchanger 15 of a spiral feeder of a passage (1);
an unloading valve 12 is connected in parallel to the feed preheater and the cracker.
The baffle plate 21 is arranged on the inner surface of the electric heating plate 19; the vibrating grate 34 is mounted on the pyrolysis furnace base 35;
when the heat transfer fluid reaches the temperature of more than 450 ℃ for tire cracking, the reversing valve is connected with the loop (2), the heat transfer fluid enters the spiral heat exchange tube 18 in the cracking furnace for passage, the heat transfer fluid provides heat for the pyrolysis process, and the electric circuit of the electric heating plate 19 is closed;
cleaning, crushing and magnetic separating steel wires of waste tires, then exposing the steel wires to sunlight, putting the steel wires into a hopper 14 after the steel wires are dried, driving a screw 16 to rotate at medium speed by a stepping motor, pushing tire fragments to advance by the screw 16, stopping rotating by the motor 13 when the tire fragments are discharged out of a spiral feeder and accumulated on the right side of a pushing block 17 for a certain amount, pushing the tire fragments by a transmission device to push the pushing block 17 into a rotary spiral belt type stirrer 22 of a cracking furnace through a feeding door 20, closing the feeding door 20 by high-pressure gas in the cracking furnace after the feeding is completed, and compacting the furnace wall wedge angle; the rotary spiral belt type stirrer 22 drives the tire fragments to rotate, the tire fragments are blocked by the baffle plate 21, the tire fragments are heated uniformly in the cracking furnace, and solid products generated by cracking are discharged out of the cracking furnace through gaps of the vibrating grate 34.
When the discharge switch 33 is opened, the cracked solid product falls into the slag remover 32 through the gap of the vibrating grate 34, dust and sand in the solid product are removed, then the solid product is pushed into the gravity winnowing machine 31 through the push plate in the slag remover 32, and when the fan 29 continuously ventilates, lighter carbon black is packaged from the upper channel and put into the movable trolley 30.
The oil gas generated by pyrolysis is discharged from an oil gas outlet 23, absorbed by a drain valve 24 and then enters an air preheater 25, and the air preheater 25 preheats inert gas introduced from the outside; the preheated oil gas enters a condensing tower 26 for oil-gas separation, the condensable oil product enters an oil storage tank 27, and the non-condensable gas enters an air storage tank 28; the preheated inert gas enters the cracking furnace to promote the discharge of oil gas.
The heat transfer fluid after the completion of the preheating and cracking process is pumped back into the receiver 6 by the cold salt circulating pump 36 through the check valve 37, the lost heat transfer fluid is replenished from the expansion tank 38, and the fluid of the heat transfer system overflows into the cold salt storage tank 39 through the expansion tank 38 at night or when weather conditions are bad.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and any modification or partial replacement without departing from the spirit of the present invention should be covered in the scope of the claims of the present invention.
Claims (1)
1. Equipment based on solar energy preheats and schizolysis junked tire, its characterized in that: comprises a heat collecting device, a feeding preheating device, a cracking device, an oil-gas separation storage device, a solid product recovery device and an automatic control system;
the devices are connected with each other, and the heat collecting device in the device based on solar preheating and waste tire cracking can absorb solar energy to provide necessary temperature for waste tire cracking;
the feeding preheating device comprises a hopper (14), a shell-and-tube heat exchanger (15), a spiral feeder and a pushing device, wherein the tube bundles of the shell-and-tube heat exchanger (15) are parallel to the central axis of the screw rod and are uniformly distributed in the outer wall of the spiral feeder; the pushing device is positioned at the upper left of the spiral feeder and comprises a pushing block (17) and a transmission device, and the bottom edge of the pushing block (17) and the bottom edge of the feeding door (20) are positioned on the same horizontal line;
the heat collecting device is connected with the feeding preheating device and the cracking device through fluid pipelines respectively, the cracking device is connected with the oil-gas separation storage device through an oil-gas pipeline, and the heat collecting device comprises: the solar energy heat collector comprises a dish-type heat collector, a hot salt storage tank (9) and a cold salt storage tank (39), wherein the dish-type heat collector consists of a support frame (1), a waist joint (2), an elbow joint (3), a reflecting plate (4), a photoelectric sensor (5) and a receiver (6); the reflecting plate (4) is an arc-shaped plate, the upper part of the supporting frame (1) is connected with the waist joint (2), the elbow joint (3) is hinged with the waist joint (2), the elbow joint (3) is fixedly connected with the reflecting plate (4), the photoelectric sensor (5) is arranged in the arc of the reflecting plate (4), the elbow joint (3) is fixedly connected with the circular receiver (6) through the middle connecting rod, and the circular receiver (6) is internally provided with the stirring blade (7); the receiver (6) is respectively connected with the feeding preheating device and the cracking device through fluid pipelines;
the heat collecting device is connected with a heat collecting device control system, the heat collecting device control system calculates the incident angle lambda and the motion rule of sunlight according to a GPS positioning system and the light and electric signals of a photoelectric sensor (5), a servo motor A controls a waist joint (2) to do rotary motion around the axis of a support frame (1) according to the motion rule of the sun, a servo motor B controls an elbow joint (3) to do pitching motion, the included angle between a reflecting plate (4) and the horizontal direction is adjusted, so that the sunlight is accurately reflected to a receiver (6) through the reflecting plate (4), the heat transfer fluid in the receiver is heated, and a stirring blade (7) stirs to uniformly heat the heat transfer fluid; the temperature sensor (8) detects the temperature of the heat transfer fluid at the outlet of the heat collection device, the temperature is transmitted to the automatic control system, and the automatic control system adjusts the connection state of the circuits of the reversing valve (11) and the electric heating plate (19) according to the temperature of the heat transfer fluid; part of the high-temperature heat transfer fluid after temperature measurement enters a hot salt storage tank (9), the other part is directly sent to a reversing valve (11) by a hot salt circulating pump (10), and the outlet of the reversing valve (11) is respectively connected with a spiral heat exchange pipe (18) of a cracking furnace entering a passage (2) and a shell-and-tube heat exchanger (15) of a spiral feeder entering the passage (1); the unloading valve (12) is connected in parallel with the passages of the feeding preheating device and the cracking device, and the baffle plate (21) is arranged on the inner surface of the electric heating plate (19); the vibrating grate (34) is arranged on the cracking furnace base (35); the solid product recovery device comprises a discharge switch (33), a slag remover (32), a gravity winnowing machine (31) and a movable trolley (30);
the solar heat collecting device comprises a disc type heat collector, a hot salt storage tank, an expansion tank and a cold salt storage tank, wherein the disc type heat collector consists of a photoelectric sensor, a reflecting plate, an automatic tracking device and a receiver, the photoelectric sensor is positioned on the surface of the reflecting plate and is used for receiving and converting sunlight signals into electric signals, and the incident angle of the sunlight is measured; the automatic tracking device comprises two servo motors, namely a servo motor A and a servo motor B, and drives the waist joint to swing left and right and the elbow joint to pitch; the receiver is positioned at the focus of the reflecting plate, the interior of the receiver is provided with stirring blades, one outlet is connected with the hot salt circulating pump after passing through the hot salt storage tank, the other outlet is directly connected with the hot salt circulating pump, and the hot salt storage tank temporarily stores heat transfer fluid when the heat transfer fluid is excessive; the expansion tank can replenish the lost heat transfer fluid in the system and discharge the gas entering the heat transfer fluid when the reversing valve is in the switching state; when the cold salt storage tank is used at night, the heat transfer fluid in the pipeline, the heat exchanger and the receiver overflows from the expansion tank to the cold salt storage tank for storage, so that the heat transfer fluid is prevented from being cooled and solidified, and the pipeline and the device are prevented from being blocked and corroded;
the discharging switch (33) is opened after the cracking is finished, solid products generated by the cracking are discharged into the slag remover (32) through gaps of the vibrating grate (34), a push plate is arranged in the slag remover (32), carbon black and steel wires after dust and sand are removed are pushed into the gravity winnowing machine (31) to be separated, the steel wires directly enter the movable trolley (30), and the carbon black is packed and then is put into the movable trolley (30); the heat collection device control system comprises a disc-type light-gathering heat collection controller, a temperature sensor (8), an electric plate relay, a reversing valve (11) and an unloading valve (12), wherein the disc-type light-gathering heat collection controller comprises a GPS positioning system and a DSP processor; the temperature sensor (8) is positioned at the outlet of the heat collecting device, the temperature sensor (8) outputs the temperature of the heat transfer fluid to the heat collecting device control system, the output signal of the heat collecting device control system controls the connection state of the reversing valve (11), and the outlet of the reversing valve (11) is connected with the spiral heat exchange tube (18) of the cracking furnace and the shell-and-tube heat exchanger (15) of the spiral feeder; the electric heating plate relay is positioned between the electric heating plate (19) and a circuit of the power supply and controls the opening and closing of the circuit; the inner wall of the cracking furnace base (35) is inclined at 2-3 degrees with the horizontal direction, and the cracking products are driven to rotate by a spiral belt type stirrer (22) and are discharged along the furnace bottom inclined plane under the action of self gravity more smoothly;
the reversing valve (11) is in three switching states, normally closed, and has a 3-5 second interval when the two paths are in switching states, at the moment, the reversing valve (11) is in the closed state, the pressure in the pipeline is increased, and at the moment, the unloading valve (12) is opened, so that the heat transfer fluid in the pipeline is discharged through the circulating pump before switching.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090099608A (en) * | 2008-03-18 | 2009-09-23 | 최원석 | Heat treatment system with solar heat |
| CN203513585U (en) * | 2013-08-30 | 2014-04-02 | 陆玉正 | Solar waste tire pyrolysis device |
| CN108410494A (en) * | 2018-04-20 | 2018-08-17 | 重庆普尔曼科技有限公司 | A kind of EPT waste tires continuous cracking device and method |
| CN210085373U (en) * | 2019-05-07 | 2020-02-18 | 青岛科技大学 | Equipment based on solar energy preheats and schizolysis junked tire |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9316124B2 (en) * | 2012-11-13 | 2016-04-19 | Institute Of Engineering Thermophysics, Chinese Academy Of Sciences | Power generating system and method by combining medium-and-low temperature solar energy with fossil fuel thermochemistry |
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- 2019-05-07 CN CN201910379063.5A patent/CN110105976B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090099608A (en) * | 2008-03-18 | 2009-09-23 | 최원석 | Heat treatment system with solar heat |
| CN203513585U (en) * | 2013-08-30 | 2014-04-02 | 陆玉正 | Solar waste tire pyrolysis device |
| CN108410494A (en) * | 2018-04-20 | 2018-08-17 | 重庆普尔曼科技有限公司 | A kind of EPT waste tires continuous cracking device and method |
| CN210085373U (en) * | 2019-05-07 | 2020-02-18 | 青岛科技大学 | Equipment based on solar energy preheats and schizolysis junked tire |
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