CN207227348U - Waste rubber cracking system - Google Patents

Abstract

The utility model provides a kind of waste rubber cracking system, including feed arrangement, oil gas collecting device, deaerating plant, heating unit, and be tightly connected successively Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room, the microwave cracking room is provided with microwave source；The feed arrangement is tightly connected with Low Temperature Thermal cracking room feed inlet；The oil gas collecting device is connected with Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room；The deaerating plant is connected with Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room, for making Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room be in anaerobic or poor oxygen condition；The heating unit is used to heat Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room.The utility model can effectively reduce energy consumption in cracking process, improve waste tire lysis efficiency and cracking black carbon quality.

Description

Waste rubber cracking system

Technical field

A kind of waste rubber cracking system is the utility model is related to, more particularly to a kind of heat transfer cracking is mutually tied with microwave cracking The compound cracking closed, the cracking available for waste tire etc. are handled, and belong to circular economy and energy-conserving and emission-cutting technology field.

Background technology

A large amount of with waste tire produce, and the recycling industry of waste tire has large development, and China often produces per year Raw nearly 400,000,000 waste tires are, it is necessary to greatly develop the recycling industry of waste tire.China's damaged tire is mainly used for giving birth at present Reclaimed rubber and rubber powder are produced, reclaimed rubber energy consumption is high, pollution weight, is worldwide gradually eliminated；Rubber powder product is in China Market application be not widely applied also, production capacity it is limited.In addition, rubber product cannot after 2-3 recycling Production rubber is used further to, " thermal cracking " technology is the final approach that damaged tire recycles, and waste tire processing One of important method.

" thermal cracking " technology can by decomposing waste tire into 45% fuel oil, 35% carbon black, 10% steel wire and 10% imflammable gas, economic value are very big.It is different from " local method oil refining ", " thermal cracking " technology can be realized each in waste tire The abundant recycling of class resource, it is free from environmental pollution, belong to circular economy and energy-saving and emission-reduction field.So at present in relation to tire pyrolysis Treatment technology is also constantly progressive.

CN104031672A inventions provide a kind of continuous thermal-cracking method and device of waste tire, and this method includes following Step：(1) waste tire material is preheated into (15-25) minute at 230-250 DEG C, extracts what is produced in warm under vacuum Gas；(2) material that step (1) obtains is warming up to 340-360 DEG C, and (8-12) minute is cracked at 340-360 DEG C, make day T PNR cracks, and the gas produced in cracking process is extracted under vacuum；(3) material that step (2) obtains is warming up to 440-460 DEG C, and (8-12) minute is cracked at 440-460 DEG C, butadiene rubber and butadiene-styrene rubber are cracked, cracking process is extracted under vacuum The gas of middle generation；(4) material that step (3) obtains is warming up to 540-560 DEG C, and (8-12) is cracked at 540-560 DEG C Minute, the carbonaceous sediment of carbon blacksurface is cracked, the gas produced in cracking process is extracted under vacuum.This method and device can The deposit of carbon blacksurface is effectively removed, improves the activity and quality of carbon black, the company of waste tire cracking is realized with low energy consumption Continuous production.

Patent of invention CN201310204208.0 is related to a kind of industrial continuous environment-friendly and energy-efficient Pyrolysis Plants for Used Tires, It can effectively solve the problems, such as that Pyrolysis Plants for Used Tires poor safety performance and service life are short, technical solution is, including conveyer, Feeding screw, condenser, auger machine, magnetic separator, circulating pump and gas electricity generator, the discharge end of the first conveyer are placed in second Above conveyer feed inlet, second conveyor discharge end is placed in above feeding screw feed inlet, feeding screw discharge end with Cracking still feed end is connected, and cracking still discharge end is connected through gas outlet with reaction tower air inlet, and reaction tower outlet side is respectively through One condenser and the second condenser are connected with oil storage tank, and oil storage tank and the 3rd condenser, the washing tank of on-condensible gas, lye store up Tank, except flow container, surge tank, vacuum pump, purge tank, compressor, gas storage tanks, gas decompression tank be sequentially connected it is logical, form not Solidifying fuel gas extraction system, the present invention is safe and reliable, and service life is long, effect is good.

CN103596906A be related to for via microwave radiation to organic substance carry out Controlled Reduction equipment and process, one Kind is used in the substantially reducing atmosphere of oxygen reduction, uses microwave energy reduction or the controllable continuous confession of depolymerization organic substance To system and process.In microwave tunnel microwave energy is produced by multiple magnetrons.Can from microwave tunnel extract gaseous products with For recycling or analyzing, the collector of such as fluid collection device can be used for the floating element for individually collecting solid product With sink to component, while prevent reducing atmosphere from system leak.

CN103333709A discloses a kind of disc type microwave continuous cracker, including supply assembly, microwave cracking group Part, discharge component and control assembly, they are sequentially communicated, and microwave cracking component includes microwave generator, nonmetallic sealing plate, splits Cavity, rotating circular disk, circle disk-drive motor are solved, nonmetallic sealing plate will crack cavity and be separated into two parts up and down, rotating circular disk In the lower part of cracking cavity, rotatable engagement is driven with circle disk-drive motor, microwave generator is arranged in the circle above cracking cavity On shape flange, a kind of method using above-mentioned cracker cracking waste old is also disclosed, cavity is cracked using disc type, and lead to Cross nonmetallic sealing plate and be divided into upper and lower cavities, improve waste tire microwave cracking efficiency, and to ensure disk smooth running, Prevent high temperature deformation, one or several ring-shaped guide rail can be also set in the lower surface of rotating circular disk, to support rotating circular disk, and It is set to rotate optimization lytic effect on guide rail.

In short, the pyrolysis technology of tire has heat transfer to crack at present, also there is microwave cracking.Although heat transfer cracking has various knots Configuration formula, basic principle is identical, heats cracking tire technology using the method for heat transfer, at home and abroad generally uses.But There is also some problems for thermal cracking：Most of thermal cracking requires to extract the steel wire in tire, adds energy consumption；Two, cracking There is gas is excessive to cause hidden danger in journey；Three, cracking room adds oxygen since the sealing systems such as charging and discharging are poor Inlet, influences the safety in production of cracking.Four, it is discharged in cracking oil vapor treatment into the flammable on-condensible gas after liquid oil, it is dirty Contaminate environment and waste the energy.

Microwave cracking technology is a newer cracking technique developed in recent years, typically in inert nitrogen body In environment using microwave energy by tire material chemical bond disconnect, open high molecular polymer macromolecular chain, and after through separation Obtain liquid oil, combustion gas and carbon black.Its inert nitrogen environment avoids the oxidation of cracking process organic matter, prevents such as furans to have The generation of noxious material.The control of this counterincision solution environment substantially improves various recycling products, particularly the stabilization of carbon black quality Property.Therefore, tire microwave cracking is fairly obvious compared to thermal cracking advantage.Equally, there is also some problems for microwave cracking：One, it is micro- Ripple cracking will realize that large-scale industrial production also has certain difficulty, and the microwave cracking room in 103596906 A patents of CN is One very long rectangular box, box top are provided with many magnetrons, and the bigger cracking room of production capacity is longer, and magnetron is also more, Since the coupling effect of microwave magnetron is poor, input power effective rate of utilization is caused to substantially reduce, electric energy is converted to microwave energy Efficiency is only less than 60%；Two, device fabrication and control difficulty increase, due to having substantial amounts of combustible oil gas body in cracking process, Box sealing problem will produce security risk, and in addition cracking temperature control is also relatively difficult；Three, production cost is higher, tire from It is a more slow process, it is necessary to consume substantial amounts of electric power to be warming up to cracking end completely, reduces the economy of tire pyrolysis Benefit.

The content of the invention

Existing in the prior art to solve the problems, such as, the utility model provides a kind of waste rubber cracking system, using heat transfer The compound cleavage method being combined with microwave cracking is cracked, is applied in combination with reference to the heating crack characteristic transformation of two kinds of cracking, with Realize and solve the problems such as production cost is higher, carbon black products are second-rate, pollution environment existing for current waste tire cracking.

Waste rubber cracking system provided by the utility model, including feed arrangement, oil gas collecting device, deaerating plant, Heating unit, and be tightly connected successively Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room, the microwave cracking Room is provided with microwave source；The feed arrangement is tightly connected with Low Temperature Thermal cracking room feed inlet；The oil gas collecting device with it is low Warm cracking room, high temperature pyrolysis room, the connection of microwave cracking room；The deaerating plant and Low Temperature Thermal cracking room, high temperature pyrolysis Room, the connection of microwave cracking room, for making Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room be in anaerobic or oxygen deprivation shape State；The heating unit is used to heat Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room.

The utility model makes Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room be in anaerobic using deaerating plant Or poor oxygen condition, heating unit make the temperature of Low Temperature Thermal cracking room maintain 200 DEG C -400 DEG C, make high temperature pyrolysis room, microwave Cracking room maintains 500 DEG C -800 DEG C.The blob of viscose that need to be cracked enters Low Temperature Thermal cracking room by feed arrangement, and through low temperature hot tearing Solve room, high temperature pyrolysis room and the cracking of microwave cracking room three phases.Initially enter the low temperature thermal cracking of 200 DEG C of -400 DEG C of environment Interior, for blob of viscose in low temperature thermal cracking (10-30) after minute, blob of viscose external surface layer temperature could tentatively reach the degree of cracking, its Inside also reaches far away the temperature value of cracking, enters back into the high temperature pyrolysis of second stage, blob of viscose is in 500 DEG C of -800 DEG C of environment Cracking is still heated, in the heating cracking process of (10-30) minute, the degree of control blob of viscose cracking to 30% to 50%, Enter microwave cracking room immediately to crack, the blob of viscose in 500 DEG C of -800 DEG C of environment is under the action of microwave energy, (10-30) point Clock can quickly all thoroughly cracking.Above-mentioned cracking process, if all using thermal cracking, since blob of viscose heat transfer efficiency is low and passes Heat is uneven, its result pyrolysis time is longer, and energy consumption is bigger, and ecto-entad heat transfer heating blob of viscose causes there are the temperature difference It is poor to crack uniformity, influences carbon black product quality.The oil gas body produced in cracking process is collected by oil gas collecting device.

The utility model first by after the degree of blob of viscose thermal cracking to 30% to 50%, is entered back into 500 DEG C of -800 DEG C of environment Microwave cracking room, main to consider the heat characteristic of microwave energy from inside to outside, the blob of viscose of thermal cracking is at this time in the effect of microwave energy Under, can instantaneously heat up cracking inside blob of viscose, while accelerate other to realize the blob of viscose phase III without all cracking of cracking completely The most important cracking that homogenizes.Since its temperature is very high, the microwave energy of smaller power can accelerate glue for blob of viscose in thermal cracking Block crack so that reached the utility model heat transfer cracking with microwave cracking and waste tire cleavage method target.Fill Point combine microwave adds thermal property and heat transfer heating ecto-entad to add thermal property from inside to outside, and blob of viscose cracking is arrived to 30% 50% degree, its surface hinder the obstacle that penetrates of microwave energy to be eliminated, realize both of which have complementary functions and cracking Method.

A 100Kw or more high power magnetron is used only in the microwave source of the utility model microwave cracking, itself has Complete self-protection device, there is no more magnetrons at the same time using existing microwave coupling effect is poor, efficiency The problem of low, the transfer efficiency of electric energy can reach more than 90%.If necessary, the utility model can by setting controller, The situation of microwave energy size is returned in tracing control tire blob of viscose cracking process, to regulate and control microwave magnetron energy output power, is Auto-control level of uniting is very high, in addition, microwave cracking equipment has complete microwave safe safeguard procedures, ensures operating personnel Safety.

The high temperature pyrolysis room is connected with microwave cracking room to be integrated, and the indoor conveyer belt of high temperature pyrolysis is higher than microwave Crack indoor conveyer belt；The Low Temperature Thermal cracking room is connected by inert gas seal rotating dress valve with high temperature pyrolysis room. 0.5% to 5%, blob of viscose external surface layer temperature, which could tentatively reach, to be split for waste old control by the cracking of Low Temperature Thermal cracking room The degree of solution, also reaches far away the temperature value of cracking inside it, the carbon black of generation is less, and Low Temperature Thermal cracking room can pass through inertia Air seal rotating dress valve is connected with high temperature pyrolysis room, and the discharge end of Low Temperature Thermal cracking room is higher than the charging of high temperature pyrolysis room End.30% to 50%, high temperature pyrolysis room is gone here and there with microwave cracking room for waste old control by the cracking of high temperature pyrolysis room Combine as a whole, in cracking process, there is a large amount of cracked oil gases, the content of oxygen in high temperature pyrolysis room, microwave cracking room Have to strictly control, the feed inlet in high temperature pyrolysis room sets inert gas seal rotary valve, the discharging of microwave cracking room Mouth can also set inert gas seal rotary valve, strictly control oxygen content by inert gas seal rotary valve, avoid the occurrence of Security risk.And the temperature difference is very big between Low Temperature Thermal cracking room and high temperature pyrolysis room, Low Temperature Thermal cracking room is substantially not present safety Hidden danger.The indoor conveyer belt of high temperature pyrolysis is higher than the indoor conveyer belt of microwave cracking, between the two there are drop, make material from There is rolling agitation in high temperature pyrolysis room conveyer belt when falling into microwave thermal cracking room.Further, since microwave cracking and high temperature hot tearing The time of solution may be different, generally control rate of cleavage respectively using two conveyer belts, i.e. high temperature pyrolysis room, microwave hot tearing Solution respectively has a conveyer belt in room；In view of being cascaded, a conveyer belt can also be used, at this time, material is in two cracking Indoor residence time is identical, is unfavorable for controlling pyrolysis time different in two cracking rooms.Low Temperature Thermal cracking room, high warm Cracking room, microwave cracking room can also connect and be integrated, and share a conveyer belt.

Inert gas extrusion that air in each partition material of inert gas seal rotary valve is charged and from exhaust outlet Discharge so that oxygen content reaches design requirement in material.Generally it is filled with nitrogen.

Oil gas collecting device described in the utility model includes sequentially connected cyclone separator, condenser, desulfurization and net gas Device, the cyclone separator are connected with the Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room.What cracking produced Oil gas body enters condenser after cyclone separator separates impurity, and crude oil condenses within the condenser, and flammable fixed gas then enters de- Sulphur and air washer purified treatment, purified flammable fixed gas store, or make liquefied petroleum gas.

Alternatively, the oil gas collecting device include sequentially connected cyclone separator, condenser, gas-liquid separator, wind turbine, Digester, further includes oil storage tank, and the oil storage tank is connected with condenser, gas-liquid separator, the cyclone separator with it is described low Warm cracking room, high temperature pyrolysis room, the connection of microwave cracking room.Due in the cracked oil steam that is produced in cracking process containing miscellaneous The cracked oil steam progress cyclonic separation heart is first removed impurity operation, is re-fed into condenser and carries out Oil-gas Separation by matter, the utility model, Condensed crude oil is collected, the flammable fixed gas to clean by gas-liquid separator, can by being collected into after the net gas disposal of desulfurization Fixed gas storage tank is fired, then for electrical power generators, in addition, when generator contingency breaks down, by automatically controlling pipeline valve The flammable fixed gas of door can be directly to torch burning and fall.

The utility model uses tiny structure technology, and the oil gas collecting device further includes vacuum pump, and the condenser passes through Vacuum pump is connected with the desulfurization with air washer, forms tiny structure using vacuum pump, tiny structure thermal cracking ensures producing Gas is not excessive in journey, improves thermal cracking efficiency, has been inherently eliminated the hidden danger caused by gas is excessive.

The heating unit of the utility model includes residual-heat exchanger, direct combustion hot-air furnace, high temperature circulation air-heater, low temperature and follows Ring air-heater；The pipeline of heat supply wind circulation is provided with the Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room； The high temperature circulation air-heater, low-temperature circulating air-heater are connected with residual-heat exchanger air inlet one, air inlet two respectively；Institute The gas outlet one for stating residual-heat exchanger is connected with the import of direct combustion hot-air furnace, the gas outlet two of the residual-heat exchanger and Low Temperature Thermal The inlet end connection of the pipeline of cracking room, the outlet side of the pipeline is connected with the low-temperature circulating air-heater；The direct combustion heat The outlet of wind furnace is connected with the inlet end of the pipeline in high temperature pyrolysis room, microwave cracking room, and high temperature pyrolysis room, microwave are split The outlet side of pipeline in solution room is connected with the high temperature circulation air-heater.The temperature of the utility model low-temperature circulating hot wind is By being obtained with the high temperature circulation hot air heat exchange behind heating high temperature pyrolysis room, microwave cracking room, energy consumption is greatlyd save.Low temperature The pipeline for circulating air circulation is provided with thermal cracking room, high temperature pyrolysis room, microwave cracking room so as to waste old Heat form is indirectly heat, the effect due to heating wind-force in cracking process is avoided, by the carbon powder of lightweight with cracking oil gas Body is taken away, and the intractability and carbon black for adding follow-up cracked oil gas waste.

The fuel of direct combustion hot-air furnace described in the utility model uses the flammable fixed gas that the oil gas collecting device is isolated, The utility model is adapted to large-scale production to require, and meets environmental requirement, only first in use, due to no storage it is flammable not Solidifying gas, direct combustion hot-air furnace need external natural gas or other fuel to heat high temperature circulation hot wind and low-temperature circulating hot wind, when After normal production and application, using efficient imflammable gas recovery technology, self-produced flammable on-condensible gas can not only meet be System using outer, unnecessary flammable on-condensible gas get up as energy storage it is spare, so as to ensure the thermal energy supply of thermal cracking.

The utility model can also be installed on low temperature hot tearing using electric heater unit as heating unit, the electric heater unit Solve room, high temperature pyrolysis room, microwave cracking room conveyer belt upper and lower guipure between, using electric heater unit to cracking room into Row heating.

The feed arrangement includes feeding machine and the belt conveyer scale that be connected with the feeding machine, the discharge end of the belt conveyer scale and The Low Temperature Thermal cracking room is connected by inert gas seal rotary valve, and the utility model enters low temperature thermal cracking using belt conveyer scale The flow of the waste old of room.The control of the utility model flow is highly important, is not only related to the stabilization of cracking production Property, a series of control parameters of important cracking process with flow with all there is close associate.

The utility model also provides another feed arrangement, which includes belt conveyer scale, alternately stock guide, deoxygenation material Storehouse, tremie pipe, the feed inlet of the tremie pipe and Low Temperature Thermal cracking room are tightly connected, and the alternately deoxygenation feed bin has at least two A feed bin, the waste old that belt conveyer scale conveying comes alternately is imported two feed bins of alternately deoxygenation feed bin by the stock guide, described Tremie pipe is corresponding with the discharge port of the alternately feed bin of deoxygenation feed bin, and waste old enters tremie pipe from the discharge port of feed bin.It is described Feed arrangement further includes belt conveyor, storage bin, blanking group roller and elevator, and the belt conveyor is connected with storage bin, The elevator is connected with belt conveyer scale, and the blanking dials roller and the waste old in storage bin is dialled in elevator.

Flow of the utility model using belt conveyer scale control into the waste old of Low Temperature Thermal cracking room.The control of flow is It is highly important, be not only related to cracking production stability, a series of control parameters of important cracking process and all with flow There is close association.

The size adjustable of the discharge openings of the tremie pipe.By adjusting the size of tremie pipe discharge openings, can control Pave the height and the width size of on guipure blob of viscose.

The utility model further includes solids retracting device, the solids retracting device and the discharging of the microwave cracking room Mouth is connected by inert gas seal rotary valve, utilizes solids retracting device to collect the solids after cracking, the solids bag Carbon black is included, for waste tire, solids further includes steel wire, can further, it is necessary to be separated to steel wire and carbon black Steel wire is adsorbed using magnet, realizes that steel wire is separated with carbon black, other modes can also be used.

The utility model further includes the solids after recycling cracking, which includes carbon black and steel wire etc., and solids returns Receiving apparatus includes cooling spiral conveyer, the cooling spiral conveyer and the discharge bucket company for being arranged on microwave cracking room discharge port Connect, after being cooled down by cooling spiral conveyer, adsorb steel wire using magnetic-separation belt conveyor, realize steel wire and carbon black point From.

Waste old is sequentially sent to Low Temperature Thermal cracking room, the high temperature pyrolysis of anaerobic or Hypoxic habitats by the utility model Room, microwave cracking room；Wherein, waste old is under 200-400 DEG C of environment in Low Temperature Thermal cracking room and carries out thermal cracking, in height Be in warm cracking room under 500-800 DEG C of environment and carry out thermal cracking, in microwave cracking room under 500-800 DEG C of environment into Row microwave cracking；The cracked oil gas produced in cracking process is continuously vented Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave Cracking room；The solids produced in recycling cracking process.

The utility model is using anaerobic or oxygen deprivation (oxygen content is less than 1%) pyrolysis technology, the inert gas easily prepared The aerial content of nitrogen nearly 80%, by inflated with nitrogen come to control the oxygen content in cracking room be that various pyrolysis technologies are universal The method of use.The blob of viscose that need to be cracked successively enters low temperature thermal cracking, high temperature pyrolysis and the cracking of microwave cracking three phases, main Consider that the heat transfer coefficient of tire blob of viscose is relatively low, in the Low Temperature Thermal cracking room for initially entering 200 DEG C of -400 DEG C of environment, outside blob of viscose Skin temperature could tentatively reach the degree of cracking, also reach the temperature value of cracking inside it far away, enter back into second stage High temperature pyrolysis, blob of viscose are still heated cracking in 500 DEG C of -800 DEG C of environment, and the phase III cracks into microwave cracking room, Blob of viscose in 500 DEG C of -800 DEG C of environment, can quickly all thoroughly cracking under the action of microwave energy.It is above-mentioned to crack Journey, if all using thermal cracking, since blob of viscose heat transfer efficiency is low and heat transfer is uneven, its result pyrolysis time is longer, the energy Consume bigger, for ecto-entad heat transfer heating blob of viscose there are the temperature difference, it is poor to cause to crack uniformity, influences carbon black product quality.

Thermal cracking room described in the utility model is in addition to Low Temperature Thermal cracking room, high temperature pyrolysis room, the indoor temperature of microwave cracking For degree generally more than 500 DEG C, the cracked oil steam for preventing from producing in cracking process is condensed into oil after cracking siding is touched.

Unnecessary influence is caused to avoid directly heating the hydrocarbon extraction produced on cracking and carbon black extraction, for example, When being directly heated using gas, due to the effect of wind-force, by the lightweight carbon powder produced in cracking process with oil gas body band Walk, the intractability and carbon black for increasing follow-up cracked oil gas waste, and the utility model is by the way of indirectly heat to passing through Low Temperature Thermal cracking room, high temperature pyrolysis room, the waste old of microwave cracking room are heated.

The utility model Low Temperature Thermal cracking room uses low-temperature circulating hot wind indirectly heat, high temperature pyrolysis room, microwave cracking Room uses high temperature circulation hot wind indirectly heat；Wherein, the heat of low-temperature circulating hot wind passes through with heating high temperature pyrolysis room, microwave High temperature circulation hot wind after cracking room carries out heat exchange and obtains.High temperature after high temperature pyrolysis room, the heating of microwave cracking room is followed The temperature of ring hot wind is still higher, the high temperature circulation hot wind after being heated by heat exchanger to cracking room and low-temperature circulating hot wind Heat exchange so that the temperature of low-temperature circulating hot wind reaches the requirement of setting, greatlys save energy consumption.Since the utility model is using indirect Heating, therefore, it is possible to use air is as medium, if using direct-fired mode, hot wind medium is needed replacing to be lazy Property gas, adds cost.In addition to using circulating air heating, the modes such as electrical heating can also be used.

The utility model can also use electrically heated mode to passing through Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave The waste old of cracking room is heated, since each cracking room differs setting timing length, in order to ensure indoor cracking temperature Degree, it is also different in the quantity for the electric boiling plate that different cracking rooms are designed using standard, 5 to 7 electric boiling plates are generally set.

The blob of viscose of the utility model method cracking, continuously successively enters low temperature thermal cracking, high temperature by flow controlling unit Thermal cracking and the cracking of microwave cracking three phases, the heat transfer coefficient of main consideration tire blob of viscose is relatively low, once immediately enter 500 DEG C Hot environment above, blob of viscose surface produce coking, are unfavorable for the quality of carbon black at once, initially enter 200 DEG C of -400 DEG C of environment Low Temperature Thermal cracking room in, in low temperature thermal cracking (10-30) after minute, blob of viscose external surface layer temperature could tentatively reach to be split blob of viscose The degree of solution, its internal temperature is also slowly raising, but also reaches the temperature value of cracking far away, enters back into the height of second stage Warm cracking, blob of viscose continue quickly heating cracking in 500 DEG C of -800 DEG C of environment, were cracked in the heating of (10-30) minute Cheng Zhong, the degree of control blob of viscose cracking to 30% to 50%, cracks into microwave cracking room, in 500 DEG C of -800 DEG C of rings immediately For blob of viscose in border under the action of microwave energy, (10-30) minute can quickly all thoroughly cracking.

The utility model first by after the degree of blob of viscose thermal cracking to 30% to 50%, is entered back into 500 DEG C of -800 DEG C of environment Microwave cracking room, main to consider the heat characteristic of microwave energy from inside to outside, the blob of viscose of thermal cracking is at this time in the effect of microwave energy Under, can instantaneously heat up cracking inside blob of viscose, while accelerate blob of viscoses that other do not crack completely all to crack, and realize blob of viscose the The most important cracking that homogenizes of three stages.Since its temperature is very high, the microwave energy of smaller power can for blob of viscose in thermal cracking Accelerate blob of viscose cracking so that reached the utility model heat transfer cracking with microwave cracking and waste tire cleavage method mesh Mark.Fully combine microwave adds thermal property and heat transfer heating ecto-entad to add thermal property from inside to outside, and blob of viscose cracking is arrived 30% to 50% degree, the obstacle that its surface hinders microwave energy to penetrate are eliminated, realize that both of which has complementary functions and be used in combination Cleavage method.

It is first the blob of viscose for being broken into 50mm sizes by waste old before being cracked, for waste tire, the blob of viscose In can contain steel wire, under the action of microwave energy, in blob of viscose between steel wire spark phenomenon be more advantageous to thermal energy aggregation and add Its cracking of speed, using the blob of viscose of 50mm mainly from the aspect of economic aspect and heat transfer, blob of viscose is smaller to be more conducive to glue for selection Block internal heat transfer, and tire can be just broken into the blob of viscose of 50mm or so by the crusher primary fragmentation being commonly used, meanwhile, Blob of viscose just needs more electric force-summing device processing, energy consumption increase smaller early period.The utility model can be equally used for completely useless The cracking of old rubber, as complete tyre cracks.

The utility model is extracted out the cracked oil gas produced in cracking process by tiny structure technology, tiny structure thermal cracking Ensure that gas is not excessive in process of production, improve thermal cracking efficiency, be inherently eliminated caused by gas is excessive Hidden danger.The utility model is continuously extracted the cracked oil gas produced in cracking process out by tiny structure technology, micro- negative Pressure thermal cracking has been inherently eliminated the hidden danger caused by gas is excessive first；Second, crack indoor gas phase Concentration is relatively low, can limit hydrocarbons content of the absorption on carbon black product surface；3rd, it is possible to reduce cracked gas The indoor residence time is being cracked, is reducing and secondary response probability occurs.The cracked oil gas produced in cracking process uses vacuum Pumped, Low Temperature Thermal cracking room, high temperature pyrolysis room, holding -5kPa arrives -7kPa tiny structure environment in microwave cracking room, cracks Indoor oxygen content ＜ 1%.

Due to containing impurity in the cracked oil gas that is produced in cracking process, the utility model first carries out removal of impurities matter operation, It is re-fed into condenser and carries out Oil-gas Separation, condensed crude oil is collected, and flammable fixed gas is then net with air washer by departing from Flammable fixed gas storage tank is collected into after gas disposal.

The flammable fixed gas collected after the utility model Oil-gas Separation is as heating Low Temperature Thermal cracking room, high temperature pyrolysis Room, the fuel of microwave cracking room, the utility model are adapted to large-scale production to require, and meet environmental requirement, only first in use, Due to the flammable on-condensible gas of no storage, direct combustion hot-air furnace needs external natural gas or other fuel to heat high temperature circulation heat Wind and low-temperature circulating hot wind, after normal production and application, using efficient imflammable gas recovery technology, it is self-produced it is flammable not Solidifying gas can not only meet system using outer, unnecessary flammable on-condensible gas get up as energy storage it is spare, so as to ensure heat Liquefied petroleum gas can also be made in the thermal energy supply of cracking, the flammable fixed gas wanted more.Flammable fixed gas can be used for generating electricity Used for the utility model.

The utility model is adapted to large-scale industrial production application, and the utility model is in cracking technique, cracking equipment and splits Vent one's spleen, have larger technological innovation in terms of the treatment technology such as residual heat recovery and equipment.

Brief description of the drawings

Fig. 1 is one system structure diagram of the utility model embodiment；

Fig. 2 is one cleavage method flow chart of the utility model embodiment；

Fig. 3 is the utility model embodiment two system structure diagram (local one)；

Fig. 4 is the utility model embodiment two system structure diagram (local two).

In figure：1- feeding machines；2- belt conveyer scales；3- nitrogen-sealed rotary valves A；4- Low Temperature Thermal cracking rooms；5- nitrogen-sealeds are revolved Rotary valve B；6- high temperature pyrolysises room；7- microwave crackings room；8- nitrogen-sealed rotary valves C；9- microwave sources；10- high temperature circulation hot winds Pipe；11- high temperature circulation hot wind backwind tubes；12- direct combustion hot-air furnaces；13- high temperature circulation hot wind residual-heat exchangers；14- high-temperature hot-airs Circulating fan；15- low temperature hot air circulation blowers；16- is flammable fixed gas holding vessel；17- desulfurization and air washer；18- condensers； 19- cyclone separators；20- cracked oil gas gathering tubes；21- low-temperature circulating hot blast pipes；22- low-temperature circulating hot wind backwind tubes；23- Nitrogen tube；24- burners；25- suppressors；26- vacuum pumps.

101- belt conveyors；102- storage bins；Roller is dialled in 103- blankings；104- elevators；105- belt conveyer scales；106- guides Plate；107- replaces deoxygenation feed bin；108- tremie pipes；109- Low Temperature Thermal cracking rooms；1010- high temperature pyrolysises room；1011- microwaves are split Solve room；1012- microwave sources；1013- suppressors；1014- electric boiling plates；1015- rotary encoders；1016- discharge buckets；1017- Crack oil-vapor pipe；1018- cyclone separators；1019- condensers I；1020- condensers II；1021- gas-liquid separators；1022- Temporary oil storage tank；1023- buried tanks；1024- oil pumps；1025- cooling spiral conveyers；1026- wind turbines；1027- digesters； 1028- air accumulators；1029- generating sets；1030- torches；1031- cooling water pipelines；1032- water circulating pumps；1033- is cooled down Tower；1034- nitrogen units；1035- nitrogen charging tracheaes；1036- charcoal black drawn wire storage tanks；1037- system equipment switch boards；1038- Wired belt conveyer.

Embodiment

Embodiment one：

As shown in Figure 1, the cracking system of the utility model, including feed arrangement, oil gas collecting device, deaerating plant plus Thermal, and be tightly connected successively Low Temperature Thermal cracking room 4, high temperature pyrolysis room 6, microwave cracking room 7, microwave cracking room 7 Microwave source 9 is provided with, the charging and discharging end of microwave cracking room 7 is additionally provided with the suppressor 25 for preventing microwave from leakage；Low temperature thermal cracking Stainless steel wired belt conveyer is both provided with room 4, high temperature pyrolysis room 6, microwave cracking room 7.The discharge end of Low Temperature Thermal cracking room 4 Higher than the feed end of high temperature pyrolysis room 6, connected by nitrogen-sealed rotary valve B 5.High temperature pyrolysis room 6 and microwave cracking room 7 are cascaded, and the stainless (steel) wire zone face of high temperature pyrolysis room 6 is higher than the stainless (steel) wire zone face of microwave cracking room 7.Microwave cracking The discharge port of room 8 is connected by nitrogen-sealed rotary valve C 8 with solids retracting device (not shown).

Feed arrangement includes feeding machine 1, belt conveyer scale 2, and the discharge port of feeding machine 1 is connected with the feed end of belt conveyer scale 2, belt The discharge port of scale 2 is connected with the feed inlet of Low Temperature Thermal cracking room 4 by nitrogen-sealed rotary valve A3.

Heating unit includes direct combustion hot-air furnace 12, high temperature circulation air-heater 14, low-temperature circulating air-heater 15, high temperature and follows Ring hot wind residual-heat exchanger 13, direct combustion hot-air furnace 12 have burner 24.Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave are split The pipeline (not shown) of heat supply wind circulation is provided with solution room；High temperature circulation air-heater 14, low-temperature circulating air-heater 15 respectively the air inlet one with high temperature circulation hot wind residual-heat exchanger 13, air inlet two (unused reference numeral marks in figure) even Connect；The gas outlet one (unused reference numeral marks in figure) of high temperature circulation hot wind residual-heat exchanger 13 and direct combustion hot-air furnace 12 into Mouth connection, the gas outlet two (unused reference numeral marks in figure) of high temperature circulation hot wind residual-heat exchanger 13 pass through low-temperature circulating heat Air hose 21 is connected with the inlet end of the pipeline (not shown) of Low Temperature Thermal cracking room 4, and the outlet side of the pipeline is followed by low temperature Ring hot wind backwind tube 22 is connected with low-temperature circulating air-heater 15；The outlet of direct combustion hot-air furnace 12 passes through high temperature circulation hot blast pipe 10 connect with the inlet end of the pipeline (not shown) in high temperature pyrolysis room 6, microwave cracking room 7, high temperature pyrolysis room, micro- The outlet side of pipeline in ripple cracking room is connected by high temperature circulation hot wind backwind tube 11 with high temperature circulation air-heater 14.From figure As can be seen that high temperature circulation hot blast pipe 10 connects with the inlet end of the pipeline in high temperature pyrolysis room, microwave cracking room respectively in 1 Connect, outlet side of the high temperature circulation hot wind backwind tube 11 respectively with the pipeline in high temperature pyrolysis room, microwave cracking room is connected, also Say, the pipeline in high temperature pyrolysis room, microwave cracking room in the figure be not connection, it is necessary to explanation, according to specific Design needs, and the pipeline in high temperature pyrolysis room, microwave cracking room can be interconnected.

Oil gas collecting device includes sequentially connected cyclone separator 19, condenser 18, vacuum pump 26, desulfurization and net gas and fills Put 17.Cyclone separator 19 passes through cracked oil gas gathering tube 20 and Low Temperature Thermal cracking room 4, high temperature pyrolysis room 6, microwave cracking The oily gas vent connection of room 7.Desulfurization is connected with air washer 17 with flammable fixed gas holding vessel 16, flammable fixed gas holding vessel In gas can be used for produce liquefied petroleum gas, can also be as the fuel of burner 24, i.e. flammable fixed gas holding vessel 16 It is connected with burner 24.

The utility model using nitrogen by Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room be adjusted to anaerobic or Oxygen deprivation (oxygen content is less than 1%) state.Deaerating plant includes nitrogen storage tank, and nitrogen storage tank passes through nitrogen tube 23 and low temperature thermal cracking Room, high temperature pyrolysis room, microwave cracking room, nitrogen-sealed rotary valve A, nitrogen-sealed rotary valve B, nitrogen-sealed rotary valve C connect Connect, be passed through nitrogen thereto.

With reference to Fig. 1,2, the heat transfer of the utility model waste tire cracks the compound cleavage method being combined with microwave cracking, tool Body implementation steps are as follows：

Warm-up phase：High temperature circulation air-heater 14 and low-temperature circulating air-heater 15 start operation, subsequent direct combustion first 24 ignition operation of burner of hot-blast stove 12, it is empty under the action of high temperature circulation air-heater 14 by high temperature circulation Hot-blast Heating Gas gas is by high temperature circulation hot blast pipe 10, high temperature pyrolysis room 6, microwave cracking room 7, high temperature circulation hot wind backwind tube 11, height In warm circulating air return air residual heat heat exchanger 13 and direct combustion hot-air furnace 12, gas is connected in a big closed loop heating system It is continuous to be rapidly heated, until high temperature circulation hot wind reaches 600-900 DEG C of setting value.During heating high temperature circulation gas, profit Low-temperature circulating hot wind is heated with high temperature circulation hot wind return air residual heat heat exchanger 13, under the action of low-temperature circulating air-heater 15, Low-temperature circulating hot wind passes through low-temperature circulating hot blast pipe 21, Low Temperature Thermal cracking room 4, low-temperature circulating hot wind backwind tube 22 and high temperature circulation Circulating-heating between hot wind return air residual heat heat exchanger 13, reaches 300-500 DEG C of setting value.

When all cracking indoor temperature entirely reaches setting value, (Low Temperature Thermal cracking room is in 200-400 DEG C, high temperature hot tearing Solve room, microwave cracking room and be in 500-800 DEG C), on-line detector is also continuously detecting each cracking indoor oxygen content, and passes through Nitrogen tube 23 is controlled is filled with nitrogen into the cracking room for needing to reduce oxygen content, until cracking indoor oxygen content control 1% Within.

Production phase：Tire blob of viscose passes through flow controlling unit, i.e. feeding machine 1 and belt conveyer scale 2, continuously across nitrogen-sealed Rotary valve A3 is sent into Low Temperature Thermal cracking room 4, and thermal cracking 10-30 minutes or so is carried out in 200-400 DEG C of environment, is cracked at the same time Oil gas body is based on tiny structure and is continuously extracted out Low Temperature Thermal cracking room 4, and the extent control that blob of viscose cracks in this course exists 0.5%-5% or so；Then blob of viscose enters high temperature pyrolysis room 6 by nitrogen-sealed rotary valve B5, in 500-800 DEG C of environment In continue cracking 10-30 minute or so, while cracked oil gas is based on tiny structure by continuously extraction high temperature pyrolysis room 6, The extent control that blob of viscose cracks in this course is in 30%-50% or so；Enter immediately also in the blob of viscose of thermal cracking state Microwave cracking room 7 in 500-800 DEG C of environment, carries out microwave cracking 10-30 minutes or so again, applies in microwave source 9 micro- Under wave energy effect, blob of viscose 100% is thoroughly uniformly cracked, and cracked oil gas is continuously extracted out microwave cracking room 7, the charcoal after cracking It is black to be discharged with steel wire by nitrogen-sealed rotary valve C 8, simultaneously separating treatment is then cooled down, in order to prevent microwave leakage, in microwave The both ends of 7 input and output material of cracking room are equipped with suppressor 25.

In continuous flow procedure, under the action of vacuum pump 26, Low Temperature Thermal cracking room 4, high temperature pyrolysis room 6 and microwave Cracking room 7 is in -0.005MPa micro-vacuum states (negative pressure cannot be excessive, otherwise can suction out carbon black), Low Temperature Thermal cracking room 4, The cracked gas produced in high temperature pyrolysis room 6 and microwave cracking room 7 is concentrated to cracked oil gas gathering tube 20, cracks oil gas Body first passes through cyclone separator 19 and removes impurity in gas, enters back into condenser 18 and carries out Oil-gas Separation, wherein on-condensible gas passes through Cross desulfurization and after the processing of air washer 17, a flammable on-condensible gas part be used as the fuel of the burner 24 of direct combustion hot-air furnace 12, Redundance stores or is made liquefied petroleum gas.

Ending phase：The burner 24 of direct combustion hot-air furnace 12 is first shut off, in high temperature circulation air-heater 14, low-temperature circulating Under the action of air-heater 15, whole system temperature, the temperature in high temperature pyrolysis room 6, microwave cracking room 7 etc. are constantly cooled down Degree is all shut down after being reduced to less than 120 DEG C to be terminated.

Embodiment two：

As shown in Figure 3,4, the cracking system of the utility model, including feed arrangement, oil gas collecting device, deaerating plant, Heating unit, and connect the Low Temperature Thermal cracking room 109 being integrated, high temperature pyrolysis room 1010, microwave cracking room 1011, microwave Cracking room 1011 is provided with microwave source 1012, and the charging and discharging end of microwave cracking room 1011 is additionally provided with the suppression for preventing microwave from leakage Device 1013 processed；Low Temperature Thermal cracking room 109, high temperature pyrolysis room 1010, the shared stainless (steel) wire band in microwave cracking room 1011 are defeated Send machine 1038.

Feed arrangement include belt conveyor 101, storage bin 102, blanking dial roller 103, elevator 104, belt conveyer scale 105, Stock guide 106, alternately deoxygenation feed bin 107, tremie pipe 108.The discharge port of belt conveyor 101 and the feed inlet of storage bin 102 Connection, blanking are dialled roller 103 and are dialled in the blob of viscose in storage bin 102 in the magazine of elevator 104, and blob of viscose is sent into by elevator 104 Belt conveyer scale 105, alternately deoxygenation feed bin 107 there are two feed bins, blob of viscose enters through stock guide 106 on belt conveyer scale 105 replaces deoxygenation One of feed bin of feed bin 107, at this time the gate valve of the bottom of the feed bin be closed, the gate valve of its feed end has been opened Open, blob of viscose smoothly enters feed bin, and when material position reaches the upper limit of setting, the gate valve of feed end is closed, and nitrogen charging tracheae 1035 starts From bottom toward inflated with nitrogen in storehouse, while the blow off valve on top is opened, when allowing air discharges and reaches oxygen content ＜ 1% in storehouse, The gate valve of the bottom of feed bin automatically opens up, and blob of viscose is fallen in the tremie pipe 108 of the top of wired belt conveyer 1038, with the shifting of guipure Dynamic, the blob of viscose in tremie pipe 108 also and then moves, and progressively falls on guipure.Level monitoring device is set on tremie pipe 108, is expected The level signals that position monitoring device measures are used for controlling the instruction of the alternately feed of deoxygenation feed bin 107, and remain tremie pipe 108 Interior blob of viscose amount is sufficient so that and the blob of viscose on cracking room wired belt conveyer guipure is uninterrupted, so, production process alternating deoxygenation material One of feed bin in storehouse 7 is always maintained at full material state, and two feed bins are alternately fed to the wired belt conveyer of cracking room.

The heating unit of the present embodiment is electrically heated using electric boiling plate, and electric boiling plate 1014 is installed on wired belt conveyer Between 1038 upper and lower guipure, 5 to 7 electric boiling plates are set according to the length of each cracking room respectively, are each cracked indoor Temperature can control respectively.Electric boiling plate 1014 is powered by generating set 1029.

Oil gas collecting device includes cyclone separator 1018, condenser I 1019, condenser II 1020, gas-liquid separator 1021st, temporary oil storage tank 1022, buried tank 1023, roots blower 1026, digester 1027, air accumulator 1028, low temperature hot tearing Solution room 109, high temperature pyrolysis room 1010, microwave cracking room 1011 are connected by cracking oil-gas pipeline 1017 with cyclone separator 1018 Connect, cyclone separator 1018, condenser I 1019, condenser II 1020, gas-liquid separator 1021 are sequentially connected, gas-liquid separator 1021 are also connected with condenser I 1019, after roots blower 1026 with digester 1027 respectively, and digester 1027 connects air accumulator 1028, air accumulator 1028 connects generating set 1029, torch 1030 by pipeline.Condenser I 1019, condenser II 1020 with temporarily Oil storage tank 1022 connects, and temporary oil storage tank 1022 connects buried tank 1023, using oil pump 1024 by the oil in oil storage tank 1023 Oil truck is pumped into transport.The present embodiment is also provided with cooling tower 1033, and cooling tower 1033 passes through cooling water pipeline 1031 and condensation Device I 1019, condenser II 1020, cooling spiral conveyer 1025 etc. connect, and water circulating pump is provided with cooling water pipeline 1031 1032。

The utility model using nitrogen by Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room be adjusted to anaerobic or Oxygen deprivation (oxygen content is less than 1%) state.Deaerating plant includes nitrogen unit 1034 processed, and the nitrogen that nitrogen unit 1034 processed produces leads to Overcharge nitrogen tube 1035 and be passed through nitrogen into Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room, alternating deoxygenation feed bin etc. Gas.

Solids retracting device includes cooling spiral conveyer 1025, and the discharge end of microwave cracking room 1011 is provided with discharging Bucket 1016, discharge bucket 1016 is connected with cooling spiral conveyer 1025, and the solids produced after cracking is through cooling spiral conveyer Cooling is delivered in charcoal black drawn wire storage tank 1036.

The present embodiment workflow is as follows：

Warm-up phase：System equipment sends startup preheating instruction repertorie, nitrogen processed by system equipment switch board 1037 first Unit 1034 starts to produce nitrogen, and after the pressure stability in nitrogen storage tank, control valve opens nitrogen charging tracheae 1035 to Low Temperature Thermal Inflated with nitrogen gas in cracking room 109, high temperature pyrolysis room 1010 and microwave cracking room 1011, meanwhile, the electricity in above three area Heating plate 1014 is initially powered up heating by default 300 DEG C respectively, 520 DEG C, 520 DEG C of temperature, installed in the indoor oxygen of cracking Detector and temperature sensor, detect indoor oxygen content and temperature value at any time, are cracked while heating indoor Wired belt conveyer 1038 also begins to start operation.In addition, cooling tower 1033, water circulating pump 1032 begin through cooling water pipeline 1031 pump toward condenser I 1019, condenser II 1020 and cooling spiral conveyer 1025 etc..When each indoor temperature of cracking When reaching setting value, and during indoor oxygen content ＜ 1%, it is possible into the production phase.

Production phase：Start charging end equipment, the blob of viscose that tire crushes is transported to storage bin by belt conveyor 101 In 102, Frequency Converter Control blanking dials roller 103 and falls into blob of viscose group in the magazine of elevator 104, and blob of viscose is passed through by belt conveyer scale 105 Stock guide 106 enters alternately 107 one of feed bin of deoxygenation feed bin, and the gate valve of the bottom of the feed bin is closed at this time, The gate valve of feed end has turned on, and blob of viscose smoothly enters feed bin, and when material position reaches the upper limit of setting, the gate valve of feed end is closed, Nitrogen charging tracheae 1035 starts from bottom toward inflated with nitrogen in storehouse, while opens the blow off valve on top, allows air in storehouse to discharge and reach During to oxygen content ＜ 1%, the gate valve of the bottom of feed bin automatically opens up, and blob of viscose falls on the tremie pipe above cracking room wired belt conveyer In 108, with the movement of guipure, the blob of viscose in tremie pipe 108 also and then moves, by adjusting 108 discharge openings of tremie pipe Size, can control the height and the width size on the guipure blob of viscose of paving, in addition, the level signals on tremie pipe 108 are used for The control instruction that alternately deoxygenation feed bin 107 is fed, and remain the abundance of the blob of viscose amount in tremie pipe 108 so that cracking room net It is uninterrupted with the blob of viscose in conveyor belt, so, one of feed bin of production process alternating deoxygenation feed bin 107 is always maintained at Completely expect state.

Blob of viscose carries out thermal cracking 12 minutes continuously across Low Temperature Thermal cracking room 109 is sent into 300 DEG C of environment, blob of viscose The extent control cracked in this course is 0.5% or so, while cracked oil gas is continuously extracted out based on tiny structure；Then Blob of viscose enters high temperature pyrolysis room 1010, continues cracking 14 minutes in 520 DEG C of environment, blob of viscose is split in this course The extent control of solution is in 30%-50%, while cracked oil gas is based on tiny structure and is continuously extracted out high temperature pyrolysis room 1010；Also Blob of viscose in thermal cracking state enters the microwave cracking room 1011 in 520 DEG C of environment immediately, in the essence of rotary encoder 1015 Under quasi- control, microwave source starts to work and carries out microwave cracking 10 minutes or so again, in the microwave energy that microwave source 1012 applies Under effect, blob of viscose 100% is thoroughly uniformly cracked, and cracked oil gas is continuously extracted out microwave cracking room 1011, the charcoal after cracking It is black to be fallen into steel wire in discharge bucket 1016, cooled down subsequently into cooling spiral conveyer 1025, be stored in carbon black steel afterwards In silk storage box.Microwave leakage in order to prevent, in microwave cracking room, the both ends of 1011 input and output material are equipped with suppressor 1013.

In continuous flow procedure, the motor of roots blower 1026 under the control of frequency converter, Low Temperature Thermal cracking room 109, In high temperature pyrolysis room 1010 and microwave cracking room 1011-7kPa micro-vacuum states, the cracking oil and gas of generation are arrived all in-5kPa Body is pooled to cracking oil-vapor pipe 1017, and cracked oil gas first passes through cyclone separator 1018 and removes impurity in gas, then first Enter condenser I 1019, condenser II 1020 and gas-liquid separator 1021 afterwards and carry out oil and gas separation, cracked oil flows into temporary oil storage Tank 1022, when the fluid position in temporary oil storage tank 1022 reaches 80%, automatically turns on the gate valve towards buried tank 1023, storage The oil of oil tank 1023 is transported to oil truck by oil pump 1024.Flammable on-condensible gas afterwards handles laggard by digester 1027 Enter holding vessel 1028, generated electricity by the flammable fixed gas supply engine group 1029 of pressure-reduced and-regulated, and set for whole cracking systems Standby to provide electric power, excrescent electric power can be sold to national grid, in addition, if just in case generator breaks down, can control automatically immediately Tubing giving sufficient strength valve makes flammable fixed gas be switched to torch 1030 to burn.

Ending phase：Under normal circumstances, cracking system equipment once produce general continuous work at least some months with On, it is so just the most economical, it is necessary to which when maintenance and repair just considers shutdown.

Whole electric boiling plates 1014 are first shut off, treat that the cracking indoor temperature of system equipment temperature sensor detection is less than At 150 DEG C, whole electrical equipment power-off are shut down.

The main index of the cracking system heat transfer system quality of the utility model is heat transfer area and heat transfer coefficient, therefore Target to cracking apparatus design optimization is：Ensure normal mass transfer, heat transfer and fully on the premise of cracking, reach maximum Effective heat transfer area and highest heat transfer coefficient, so in the design of cracking apparatus, such as：Solid accumulation thickness and width, The type selecting of conveyer stainless (steel) wire band and the heat transfer pipe of hot wind etc. will reach above-mentioned requirements.

The implementation for the compound cleavage method being combined by the heat transfer cracking of the utility model waste tire with microwave cracking, has Effect reduces heat transfer cracking and the energy consumption of microwave cracking, and especially tire blob of viscose passes through microwave cracking again after thermal cracking, into One step improves overall cracking uniformity, and carbon black products quality also has greatly improved, can obtain 43% fuel oil, 35% Carbon black, 10% steel wire and 12% imflammable gas (a portion is used by oneself), realize waste tire processing cycle warp Ji and energy-conserving and emission-cutting technology requirement.

In short, the reality for the compound cleavage method being combined by the heat transfer cracking of the utility model waste tire with microwave cracking Apply, effectively reduce heat transfer cracking and the energy consumption of microwave cracking, obtain considerable economic benefit and social benefit, damaged tire is made Into " black pollution " be changed into regenerated resources, with feed states enter production cycle in, reduce greenhouse gas emission, be both ring Border is administered, and is resource comprehensive regeneration, is the example of typical low-carbon circular economy sustainable development.

By taking the 1000kg/h system equipments of the waste tire cleavage method of current the utility model as an example：The waste and old wheels of 1000kg Tire blob of viscose can obtain following product：

1st, about 40% Pyrolysis fuel oil PFO, overall target meet 4# light fuel oils in SH/T0356-1996 standards.Calorific value Height, overall target are good, and fuel can be used as to be used for all types of industries heating furnace etc. and used；

2nd, about 40% carbon black can be as the reinforcing agent and filler of rubber.If after activated granulation, many index is The standard of N660 industrial carbon blacks is reached and exceeded, N660 traditional rubber carbon blacks can be substituted, this carbon black can be used for oblique rubber tire tire Middle inner ply compound, sidewall rubber, during steel wire radial-ply tyre air/tight layer rubber and tube glue etc. are formulated, can be greatly lowered tyre production Material cost.

3rd, steel are processed further using or as steel scrap direct marketing based on about 10% steel wire is recyclable.

4th, nearly 10% not solidifying combustible gas is used by oneself after desulfurizing and purifying system purification for generating set generating system equipment, and There is electric power more than needed.In 1000 kilograms of 10% ratio, 100 kilograms of aerogenesis, general every cubic metre of density 0.76kg/, is exactly 131.6 vertical Side/combustible gas per hour.Every cube of gas of auxiliary generator can averagely generate 4 degree of electricity, and such 131.5x4=526 degree electricity, can expire completely Sufficient about 240 degree of electricity of project system equipment/power demand hourly, and have and supply or take out outside electric power more than needed.

The utility model can be equally used for other organic matters, the cracking of such as plastics.

Claims (16)

1. A kind of 1. waste rubber cracking system, it is characterised in that：Including feed arrangement, oil gas collecting device, deaerating plant, heating Device, and be tightly connected successively Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room, the microwave cracking room is set It is equipped with microwave source；The feed arrangement is tightly connected with Low Temperature Thermal cracking room feed inlet；The oil gas collecting device and Low Temperature Thermal Cracking room, high temperature pyrolysis room, the connection of microwave cracking room；It is the deaerating plant and Low Temperature Thermal cracking room, high temperature pyrolysis room, micro- Ripple cracking room connects, for making Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room be in anaerobic or poor oxygen condition；Institute Heating unit is stated to be used to heat Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room.
2. 2. waste rubber cracking system as claimed in claim 1, it is characterised in that：The high temperature pyrolysis room and microwave cracking Room series connection is integrated, and the indoor conveyer belt of high temperature pyrolysis is higher than the indoor conveyer belt of microwave cracking；The Low Temperature Thermal cracking room It is connected by inert gas seal rotating dress valve with high temperature pyrolysis room.
3. 3. waste rubber cracking system as claimed in claim 1, it is characterised in that：The Low Temperature Thermal cracking room, high temperature hot tearing Solution room, the series connection of microwave cracking room are integrated, and share a conveyer belt.
4. 4. the waste rubber cracking system as described in claim 1,2 or 3, it is characterised in that：The oil gas collecting device includes Sequentially connected cyclone separator, condenser, desulfurization and air washer, the cyclone separator and the Low Temperature Thermal cracking room, High temperature pyrolysis room, the connection of microwave cracking room.
5. 5. waste rubber cracking system as claimed in claim 4, it is characterised in that：The oil gas collecting device further includes vacuum Pump, the condenser are connected by vacuum pump with the desulfurization with air washer.
6. 6. the waste rubber cracking system as described in claim 1,2 or 3, it is characterised in that：The oil gas collecting device includes Sequentially connected cyclone separator, condenser, gas-liquid separator, wind turbine, digester, further include oil storage tank, the oil storage tank with Condenser, gas-liquid separator connection, the cyclone separator and the Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking Room connects.
7. 7. the waste rubber cracking system as described in claim 1,2 or 3, it is characterised in that：Heating unit is exchanged including waste heat Device, direct combustion hot-air furnace, high temperature circulation air-heater, low-temperature circulating air-heater；The Low Temperature Thermal cracking room, high temperature pyrolysis The pipeline of heat supply wind circulation is provided with room, microwave cracking room；

   The high temperature circulation air-heater, low-temperature circulating air-heater connect with residual-heat exchanger air inlet one, air inlet two respectively Connect；The gas outlet one of the residual-heat exchanger is connected with the import of direct combustion hot-air furnace, the gas outlet two of the residual-heat exchanger with The inlet end connection of the pipeline of Low Temperature Thermal cracking room, the outlet side of the pipeline is connected with the low-temperature circulating air-heater；It is described The outlet of direct combustion hot-air furnace is connected with the inlet end of the pipeline in high temperature pyrolysis room, microwave cracking room, high temperature pyrolysis room, The outlet side of pipeline in microwave cracking room is connected with the high temperature circulation air-heater.
8. 8. waste rubber cracking system as claimed in claim 7, it is characterised in that：What the oil gas collecting device was isolated can Fire fuel of the fixed gas as the direct combustion hot-air furnace.
9. 9. the waste rubber cracking system as described in claim 1,2 or 3, it is characterised in that：The heating unit is electrical heating Device, the electric heater unit be installed on Low Temperature Thermal cracking room, high temperature pyrolysis room, microwave cracking room conveyer belt upper and lower net Between band.
10. 10. the waste rubber cracking system as described in claim 1,2 or 3, it is characterised in that：The oil gas collecting device separation The flammable fixed gas gone out is stored in air accumulator, and air accumulator is connected by pipeline with generating set, torch.
11. 11. the waste rubber cracking system as described in claim 1,2 or 3, it is characterised in that：The feed arrangement includes feeding Machine and the belt conveyer scale being connected with the feeding machine, the discharge end of the belt conveyer scale pass through inert gas with the Low Temperature Thermal cracking room Encapsulated rotary valve connects.
12. 12. the waste rubber cracking system as described in claim 1,2 or 3, it is characterised in that：The feed arrangement includes belt Scale, alternately stock guide, deoxygenation feed bin, tremie pipe, the feed inlet of the tremie pipe and Low Temperature Thermal cracking room are tightly connected, the friendship There are at least two feed bins for deoxygenation feed bin, the waste old that the stock guide carrys out belt conveyer scale conveying alternately imports alternately deoxygenation Two feed bins of feed bin, the tremie pipe is corresponding with the discharge port of the alternately feed bin of deoxygenation feed bin, and waste old goes out from feed bin Material mouth enters tremie pipe.
13. 13. waste rubber cracking system as claimed in claim 12, it is characterised in that：It is defeated that the feed arrangement further includes belt Machine, storage bin, blanking is sent to dial roller and elevator, the belt conveyor is connected with storage bin, and the elevator connects with belt conveyer scale Connect, the blanking dials roller and the waste old in storage bin is dialled in elevator.
14. 14. waste rubber cracking system as claimed in claim 12, it is characterised in that：The ruler of the discharge openings of the tremie pipe It is very little adjustable.
15. 15. the waste rubber cracking system as described in claim 1,2 or 3, it is characterised in that：Further include solids recycling dress Put, which is connected with the discharge port of the microwave cracking room by inert gas seal rotary valve.
16. 16. the waste rubber cracking system as described in claim 1,2 or 3, it is characterised in that：Further include solids recycling dress Put, which includes cooling spiral conveyer, and the cooling spiral conveyer goes out with being arranged on microwave cracking room The discharge bucket connection of material mouth.