Utility model content
The utility model is intended at least to solve to a certain extent one of technical problem in correlation technique.For this purpose, this reality
It is to propose a kind of system of pyrolysis junked tire with a new purpose, the system can effectively suppress the secondary fissure of oil gas two
Solution, improves junked tire oil yield, and can improve the thermal efficiency of system and simplify system process.
In one side of the present utility model, the utility model proposes a kind of system of pyrolysis junked tire.According to this
The embodiment of utility model, the system includes:Moving bed pyrolysis reactor and spray column,
Wherein, the moving bed pyrolysis reactor includes:
Pyrolysis feed mouth, semicoke outlet and catalyst inlet;
The pyrolysis feed mouth is located on the roof of the reactor;
The semicoke outlet is positioned at the bottom of the reactor;
The catalyst inlet is located on the roof of the reactor and/or side wall;
Heat accumulation type radiant tube, the heat accumulation type radiant tube is in the inside of the moving bed pyrolysis reactor along the reaction
The short transverse multi-tier arrangement of device, per layer has many heat accumulation type radiant tubes parallel to each other in the horizontal direction;
Oil gas derives pipeline, and the oil gas to be derived and be provided with through hole on the tube wall of pipeline;And
Dust arrester, the dust arrester is partially embedded in the reactor, and the dust arrester is led with the oil gas
Go out pipeline to connect by discharge, and the dust arrester includes dust chamber, riser and collection chamber, wherein, riser
Top connects with the top of dust chamber, and the bottom of riser connects with the bottom of dust chamber, and dust chamber is connected structure with riser
Circularize loop;Dust chamber is located in the reactor, and riser and collection chamber are located at outside the reactor;Dust chamber stretches into institute
The side wall for stating inside reactor is provided with pyrolysis oil gas entrance for connecting with the discharge, and dust chamber is adjacent with collection chamber
And the side wall that shares of dust chamber and collection chamber is provided with duct, shared with the dust chamber and collection chamber side wall of collection chamber is relative
Side wall is provided with pyrolysis oil gas vent, and the pyrolysis oil gas vent is connected with the spray column;The top of riser is arranged
There is ash-laden gas to export, the bottom of riser is provided with blast cap.Thus, according to the pyrolysis junked tire of the utility model embodiment
System can effectively suppress oil gas second pyrolysis, improve junked tire oil yield, and by being heated using heat accumulation type radiant tube
Technology, improves the thermal efficiency of system and simplifies system process.
Optional, the oil gas derives short transverse multi-tier arrangement of the pipeline along the pyrolysis reactor, and per layer with more
Root oil gas parallel to each other in the horizontal direction derives pipeline.Thus, it is possible to the oil gas significantly improved in reactor derives efficiency.
Optional, the oil gas is derived pipeline and is arranged in parallel with the heat accumulation type radiant tube, and the heat accumulation type radiant tube
The respective left and right sides is symmetrically arranged with two oil gas and derives pipeline.Thus, it is possible to the oil gas further improved in reactor is led
Go out efficiency.
Optional, it is the oil that the oil gas derives distance between pipeline and the tube wall of the neighbouring heat accumulation type radiant tube
1/2-3 times of gas delivery line road caliber d.Thus, it is possible to the oil gas further improved in reactor derives efficiency.
Optional, the oil gas to be derived and be provided with multiple through holes on the tube wall of pipeline.Thus, it is possible to further improve reaction
Oil gas in device derives efficiency.
Optional, the through hole is derived in the oil gas and is uniformly distributed on the length direction of pipeline.Thus, it is possible to further
The oil gas improved in reactor derives efficiency.
Optional, baffle plate is respectively arranged with the both sides tube wall of the heat accumulation type radiant tube, the baffle plate is located at the oil
The top in gas delivery line road, and cover all vertical projection of the oil gas derivation pipeline.Thus, oil not only can effectively be prevented
The blocking in gas delivery line road, and the junked tire material scattering that will can fall, so as to improve junked tire pyrolysis efficiency.
Optional, the baffle plate is starting point from the phase tangent line of the vertical tangent plane of the tube wall of the heat accumulation type radiant tube, in one
Determine the vertical tangent plane that angle extends downward the oil gas derivation pipeline.
Optional, 40-90 degree is the angle ranging from, without 90 degree.
Optional, oil gas described in same layer is derived pipeline and is communicated to same dust arrester.
Optional, the oil gas of adjacent two layers or more layers is derived pipeline and is connected to a dust arrester.
Optional, oil gas described in same layer is derived pipeline and is communicated to same dedusting dress by the same discharge
Put.
Optional, the oil gas of adjacent two layers or more layers is derived pipeline and is communicated to by two or more the discharges
Same dust arrester, and the number of plies of the oil gas delivery line is identical with the radical of the discharge.
Optional, heat accumulation type radiant tube parallel to each other in the horizontal direction is uniformly distributed.
Optional, the heat accumulation type radiant tube arranged along the short transverse of the reactor is parallel to each other and is staggeredly arranged.
Optional, the dust arrester also includes dividing plate, and dividing plate is arranged on the bottom of connection dust chamber and the bottom of riser
In the pipeline in portion.The dividing plate is used to adjust the inlet-outlet flow balance of filter medium, while mistake when being easy to start pyrolysis reactor
The loading of filter medium.
Optional, the dividing plate is push-pull valve or butterfly valve.
Optional, filter medium is accommodated in dust chamber, the particle diameter of the filter medium is 5-20mm.
Optional, a diameter of 2-10mm in the duct.
Optional, a diameter of 3mm in the duct.
Optional, the duct is evenly distributed on the side wall of dust chamber.It should be noted that dust arrester part is embedding
Enter to inside pyrolysis reactor, without the need for adding external heat source, dust arrester temperature is slightly below pyrolysis reactor fire box temperature, can have
Effect avoids second pyrolysis or the condensation of tar, the filter medium of dust arrester from can be recycled, and efficiency of dust collection is high, simple to operate.
Optional, the system of the pyrolysis junked tire is further included:Steel wire removal device, breaker, magnetic separation dress
Put, particle size screening device, feed hopper and feeding screw;The steel wire removal device, the breaker, magnetic separation dress
Put, the particle size screening device, the feed hopper and the feeding screw are sequentially connected;The feed hopper has hopper entrance
And hopper outlet, the hopper entrance is connected with the outlet of the particle size screening device;The feeding screw has charging aperture
And discharging opening, the charging aperture is connected with the hopper outlet, the pyrolysis of the discharging opening and the moving bed pyrolysis reactor
Charging aperture is connected.Thereby, it is possible to obtain rubber grain of the particle diameter less than 2mm, the heat of junked tire material can be further improved
Solution efficiency.
Optional, the system of the pyrolysis junked tire is further included:Spiral discharging device, the spiral discharging device and institute
The semicoke outlet for stating moving bed pyrolysis reactor is connected.Thus, it is possible to cold by the thermal decomposition product semicoke for obtaining internal system
But discharge, be easy to later use.
Optional, the system of the pyrolysis junked tire is further included:Multigroup cyclone separator and one it is shared
Semicoke collector, wherein, multigroup cyclone separator be arranged on the moving bed pyrolysis reactor and the spray column it
Between, every group of cyclone separator includes one cyclonic deduster and two grades of whirlwind being arranged on below the one cyclonic deduster
Separator, is provided with for connecting or separating the one-level between the one cyclonic deduster and the secondary cyclone
The valve of cyclone dust collectors and the secondary cyclone, the oil gas of the one cyclonic deduster of later group cyclone separator enters
Mouthful it is connected with the oil gas vent of the one cyclonic deduster of previous group cyclone separator, the semicoke collector and every group of whirlwind
The outlet of the secondary cyclone of separator is connected.Thus, it is possible to efficiently separate that purer pyrolysis gas are obtained, just
In the carrying out of subsequent step, so as to get tar purity it is high.
Optional, per layer of heat accumulation type radiant tube is including multiple parallel and equally distributed heat accumulation type radiant tube and every
The individual heat accumulation type radiant tube is parallel with each heat accumulation type radiant tube in adjacent upper and lower two-layer heat accumulation type radiant tube.Thus,
Junked tire material can carry out uniformly, having ensured junked tire material in the uniform of reactor into reactor by radiant tube
Heating, so as to further improve the pyrolysis efficiency of junked tire.
Optional, the height of the reactor is 10~20m, and width is 2-6m, and the caliber of the heat accumulation type radiant tube is
200~300mm, the horizontal range between the adjacent heat accumulation type radiant tube outer wall be 200~500mm, the adjacent heat accumulating type spoke
It is 200~700mm to penetrate the vertical distance between pipe outer wall.Thus, it is possible to ensure that junked tire is pyrolyzed the time of staying, so as to further
Improve the pyrolysis efficiency of junked tire.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or by it is of the present utility model practice recognize.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element is represented to same or similar label eventually or the element with same or like function.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Restriction.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " is based on shown in the drawings
Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply the dress of indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, it is for example, it may be fixedly connected, or be detachably connected or integral;Can be
It is mechanically connected, or electrically connects;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements, unless otherwise clearly restriction.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In one side of the present utility model, the utility model proposes a kind of system of pyrolysis junked tire.Join below
The system for examining the pyrolysis junked tire of Fig. 1-4 pair of the utility model embodiment is described in detail.According to reality of the present utility model
Example is applied, the system includes:Moving bed pyrolysis reactor 100 and spray column 200.
According to embodiment of the present utility model, moving bed pyrolysis reactor 100 includes:Pyrolysis feed mouth 101, semicoke is exported
102nd, catalyst inlet 103, heat accumulation type radiant tube 11, oil gas derive pipeline 12 and dust arrester 15.
According to embodiment of the present utility model, pyrolysis feed mouth 101 is located on the roof of reactor, and is suitable to waste and old wheel
Tire raw material is supplied to reactor.
According to embodiment of the present utility model, semicoke outlet 102 can be arranged on the bottom of reactor, and be suitable to be pyrolyzed
The semicoke of generation discharges reactor.
According to embodiment of the present utility model, catalyst inlet 103 be located at the roof of moving bed pyrolysis reactor 100 and/
Or on the wall of side.Catalyst is injected in reactor by catalyst inlet 103 and uniformly becomes scattered about storeroom, by catalytic thermal
The more tar of solution output, thus, pyrolysis effect is good, and oil yield is high.
According to specific example of the present utility model, can be on the roof of moving bed pyrolysis reactor 100 and two side walls
Catalyst inlet 103 is respectively provided with, thus, catalyst can uniformly spray into reactor by each catalyst inlet, and be scattered
In storeroom, so that the junked tire material crushed can be uniformly mixed in pyrolysis reactor with catalyst.
According to other specific examples of the present utility model, thus catalyst, is being pyrolyzed using the solid ceramic acid of preheating
Temperature in the presence of 450 DEG C~550 DEG C and solid ceramic acid catalyst can to make junked tire solid material quick and abundant
Be pyrolyzed.
According to embodiment of the present utility model, heat accumulation type radiant tube 11 the inside of moving bed pyrolysis reactor 100 along
The short transverse multi-tier arrangement of reactor, per layer has many heat accumulation type radiant tubes parallel to each other in the horizontal direction.According to
Specific embodiment of the utility model, heat accumulation type radiant tube parallel to each other in the horizontal direction is uniformly distributed, it is preferable that along anti-
Answer heat accumulation type radiant tube that the short transverse of device is arranged parallel to each other and be staggeredly arranged.
According to some specific examples of the present utility model, the top of heat accumulation type radiant tube autoreactor is multi-layer intercrossed to bottom
Arrangement, using staggeredly alternate arrangement compared with in-line arrangement, tyre crumbs can not only be made to move in reactor to be had very well
Streamline, it is to avoid the local heating in reactor, and can guarantee that particle enough time of staying in reactor, can be greatly
Improve pyrolysis efficiency.
According to specific example of the present utility model, the caliber of heat accumulation type radiant tube can be 200~300mm.Thus, it is possible to
The pyrolysis efficiency of junked tire material is significantly improved, and then improves pyrolysis oil yield.
According to embodiment of the present utility model, the horizontal range between adjacent heat accumulation type radiant tube outer wall is 200~500mm,
Vertical distance between adjacent heat accumulation type radiant tube outer wall is 200~700mm.It is to be understood that outside adjacent heat accumulation type radiant tube
Horizontal range between wall can be understood as the distance on same layer between heat accumulation type radiant tube outer wall, and outside adjacent heat accumulation type radiant tube
Vertical distance between wall can be understood as the distance between the adjacent heat accumulation type radiant tube outer wall of adjacent upper and lower two interlayer.
According to embodiment of the present utility model, the number of plies of multilayer heat accumulation type radiant tube can be 10-25 layers.Invention human hair
Existing, this kind of structure arrangement can cause reactor temperature field distribution uniform, such that it is able to significantly improve junked tire material
Pyrolysis efficiency, and then improve the yield of pyrolysis oil.
According to embodiment of the present utility model, heat accumulation type radiant tube can be unidirectional regenerative gas heat accumulation type radiant tube,
I.e. heat that heat accumulation type radiant tube body produces combustion gas carrying out heat supply by way of radiating.According to the utility model
Specific embodiment, gas control valve (not shown) can be provided with heat accumulation type radiant tube.Thus, it is possible to pass through to adjust combustion gas
The flow for adjusting the combustion gas that valve regulation is passed through heat accumulation type radiant tube realizes accurate temperature controlling to pyrolytic process to wait, such that it is able to show
The pyrolysis efficiency for improving junked tire material is write, and then improves the yield of pyrolysis oil.
Specifically, heat accumulation type radiant tube is extend in reactor and through anti-in the horizontal direction from the side of sidewall of reactor
Device, i.e. heat accumulation type radiant tube is answered to stretch in reactor and pass the another of reactor from the side of sidewall of reactor in the horizontal direction
Side wall, and sidewall of reactor is stretched out at the two ends of heat accumulation type radiant tube, wherein, the fuel inlet on heat accumulation type radiant tube is located at
One end of reactor is stretched out on heat accumulation type radiant tube, the exhanst gas outlet on heat accumulation type radiant tube is located on heat accumulation type radiant tube and stretches out
The other end of reactor, or the fuel inlet and exhanst gas outlet on heat accumulation type radiant tube be located at heat accumulation type radiant tube on it is same
End.Accurate temperature controlling of the realization such as flow of combustion gas of heat accumulation type radiant tube to pyrolytic process, and heat accumulating type are passed through by adjustment
Radiant tube is using the combustion system for periodically commutating so that the temperature field of single heat accumulation type radiant tube is more or less the same in 30 DEG C, so as to
Ensure the uniformity of reactor temperature field, for example, the flow of combustion gas of heat accumulation type radiant tube is passed through by adjustment so that reactor
The regulation temperature range of the heat accumulation type radiant tube in interior epimere region is 500~800 DEG C, it is ensured that the abundant heat of junked tire material
Solution, by adjustment be passed through heat accumulation type radiant tube combustion gas flow so that in reactor the heat accumulation type radiant tube in hypomere region tune
Section temperature range is 450~650 DEG C, so as to further heat the junked tire material that a part is not pyrolyzed completely.
According to embodiment of the present utility model, oil gas to be derived and be provided with through hole on the tube wall of pipeline 12.Thus, by arranging
Oil gas derives pipeline so that the pyrolysis oil gas produced in pyrolytic process is quickly derived, and so as to effectively suppress oil gas second pyrolysis, is carried
Height pyrolysis oil yield.
According to specific embodiment of the utility model, oil gas derives short transverse multi-tier arrangement of the pipeline 12 along reactor,
Per layer there are many oil gas parallel to each other in the horizontal direction to derive pipeline.Thus, it is possible to significantly improve the oil in reactor
Conductance goes out efficiency.
According to specific embodiment of the utility model, oil gas is derived pipeline 12 and is arranged in parallel with heat accumulation type radiant tube 11, and
The left and right sides of heat accumulation type radiant tube 11 is symmetrically arranged with two oil gas and derives pipeline 12.Inventor has found, by storing per root
Hot type radiant tube both sides are installed oil gas and derive pipeline, and be pyrolyzed the oil gas for producing is derived rapidly by deriving pipeline, so as to effective
Inhibit the second pyrolysis of oil gas, and then improve the yield of pyrolysis oil, it is good in economic efficiency.
According to specific example of the present utility model, it can be 30~80mm that oil gas derives the caliber of pipeline.
According to specific embodiment of the utility model, as shown in Fig. 2 oil gas derives pipeline and neighbouring heat accumulation type radiant tube
Tube wall between distance be that oil gas derives 1/2-3 times of pipe diameter d.Thus, it is possible to derive the pyrolysis oil of generation at once, it is to avoid
Pyrolysis oil-breaking such that it is able to further improve pyrolysis oily yield.
According to specific embodiment of the utility model, oil gas to be derived and be provided with multiple through holes on the tube wall of pipeline 12, preferably
Ground, multiple through holes are derived in oil gas and are uniformly distributed on the length direction of pipeline 12.Thus, it is easy to pyrolysis oil quickly to derive, can be with
The oil gas further improved in reactor derives efficiency.
According to specific embodiment of the utility model, as shown in Fig. 2 setting respectively on the both sides tube wall of heat accumulation type radiant tube 11
Being equipped with baffle plate 13, baffle plate 13 is located at oil gas and derives the top of pipeline 12, and cover oil gas derives all vertical projection of pipeline 12.
By arranging baffle plate 13 on the both sides tube wall of heat accumulation type radiant tube 12, can prevent junked tire material from rubbing during declining
Oil gas derives pipeline, and then extends the life-span of oil gas derivation pipeline;And baffle plate 13 can also play and junked tire material is drawn
Stream is acted on, and preventing junked tire material to be stuck in heat accumulation type radiant tube and oil gas derives between pipeline, causes junked tire material to block up
Plug.
According to specific embodiment of the utility model, as shown in Fig. 2 baffle plate 13 is from the perpendicular of the tube wall of heat accumulation type radiant tube 11
The phase tangent line in vertical cut face A (A1) is starting point, and at an angle α extends downward oil gas and derives the vertical tangent plane B (B1) of pipeline 12,
Angle [alpha] is 40-90 degree, without 90 degree.So that the shortest length of baffle plate is can to block oil gas to derive pipeline.
According to embodiment of the present utility model, as shown in figure 1, dust arrester 15 is partially embedded in reactor 100, dedusting
Device 15 is derived pipeline 12 and is connected by discharge 14 with oil gas.So that the pyrolysis oil gas in reactor derives pipeline by oil gas receiving
Jing discharges are supplied to dust arrester 15, i.e. discharge 14 and are connected with oil gas derivation pipeline 12 and dust arrester 15 respectively after collection.
According to specific embodiment of the utility model, as shown in figure 3, dust arrester 15 includes dust chamber 151, riser
152 and collection chamber 153.
Specifically, with reference to Fig. 3, the top of riser 152 connects with the top of dust chamber 151, the bottom of riser 152 and
The bottom connection of dust chamber 151, dust chamber 151 is connected composition loop checking installation with riser 152;Dust chamber 151 is located at described
In reactor, riser 152 and collection chamber 153 are located at outside the reactor;Dust chamber 151 stretches into the side inside reactor 100
Wall is provided with the pyrolysis oil gas entrance 154 for connecting with discharge 14, and dust chamber 151 is adjacent with collection chamber 153 and dust chamber
The 151 side walls shared with collection chamber 153 are provided with duct 159, the side wall phase shared with dust chamber and collection chamber of collection chamber 153
To side wall be provided with pyrolysis oil gas vent 155, and be pyrolyzed oil gas vent 155 and be connected with spray column 200;Riser 152
Top is provided with ash-laden gas outlet 156, and the bottom of riser 152 is provided with blast cap 157 (for blowing in the riser 152
Enter gas).
Wherein, dust chamber 151 is located inside pyrolysis reactor 100, and this design contributes to using the temperature of pyrolysis reactor 100
Degree.
Specifically, the course of work of dust arrester 15 includes:
The pyrolysis oil gas entrance 154 arranged on the side wall stretched into inside reactor 100 that pyrolysis oil gas passes through dust chamber 151
Into dust chamber, and filter medium is flow through, dust can be removed by the collision of filter medium, in thus removing pyrolysis oil gas
Dust, then by the opposite side side wall of dust chamber 151, (i.e. dust chamber 151 shares the pyrolysis oil gas of removing dust with collection chamber 153
Side wall) on duct enter collection chamber 153, it is and then relative from the side wall shared with dust chamber and collection chamber of collection chamber 153
Side wall on arrange pyrolysis oil gas vent 155 discharge.
According to some specific examples of the present utility model, after one-time dedusting terminates, by the blast cap of the bottom of riser 152
157 are blown into gas to the inside of riser 152, on the one hand purge the dust being adsorbed with the filter medium of dust, on the other hand
The filter medium of Jing purges is blown and cycles back to dust chamber 151, to recycle.
In some embodiments of the present utility model, dust arrester 15 also includes dividing plate 158, and dividing plate 158 is arranged on connection
In the pipeline of the bottom of dust chamber 151 and the bottom of riser 152.Dividing plate 158 is used to adjust the outflow that enters of filter medium puts down
Weighing apparatus, while being easy to the loading of filter medium during startup pyrolysis reactor.It is preferred that, the dividing plate is push-pull valve or butterfly valve.
In some embodiments of the present utility model, filter medium, the grain of the filter medium are accommodated in dust chamber 151
Footpath is 5-20mm.
In some embodiments of the present utility model, the duct arranged on the side wall that dust chamber 151 shares with collection chamber 153
159 a diameter of 2-10mm, preferred 3mm.
In some embodiments of the present utility model, the duct 159 is evenly distributed on the side wall of dust chamber 151.
It should be noted that dust arrester 15 is partially embedded into inside pyrolysis reactor 100, without the need for adding external heat
Source, the temperature of dust arrester 15 is slightly below the fire box temperature of pyrolysis reactor 100, can be prevented effectively from second pyrolysis or the condensation of tar,
The filter medium of dust arrester 15 can be recycled, and efficiency of dust collection is high, simple to operate.
Specifically, dust arrester 15 can be multiple.Thus, it is possible to significantly reduce the dust content of pyrolysis oil gas.
According to specific embodiment of the utility model, same layer oil gas is derived pipeline 12 and is communicated to same dust arrester
15.It is possible thereby to oil gas be collected and dedusting, Simplified flowsheet.
Pipeline is derived according to the oil gas of specific embodiment of the utility model, adjacent two layers or more layers and is connected to one
Dust arrester 15.Thus, it is possible to further Simplified flowsheet.
According to specific embodiment of the utility model, same layer oil gas derives pipeline 12 can pass through same discharge 14
It is communicated to same dust arrester 15, i.e. same layer oil gas derivation pipeline 12 and same dust arrester 15 and connects same respectively
Discharge 14.It is possible thereby to oil gas be collected and dedusting, Simplified flowsheet.
Deriving pipeline 12 according to the oil gas of specific embodiment of the utility model, adjacent two layers or more layers can pass through two
Root or the discharge 14 of more are communicated to same dust arrester 15, i.e. oil gas and derive the number of plies of pipeline and the radical of discharge
Identical, the oil gas of same layer is derived pipeline and is connected with same dust arrester 15 by a discharge, and many discharges
Same dust arrester 15 is finally collected to, such as shown in figure 1, the oil gas of middle adjacent two layers derives pipeline 12 passes through two
Discharge 14 is communicated to same dust arrester 15.According to embodiment of the present utility model, reactor head region can be in ball
Face type or taper.
According to embodiment of the present utility model, the bottom of reactor can be in back taper.Thus, it is possible to so that pyrolysis is generated
Semicoke smoothly discharge reactor.
According to embodiment of the present utility model, the height of reactor can be 10~20m, and width is 2-6m.Thus, it is possible to
Realize the pyrolysis completely to junked tire material.
According to embodiment of the present utility model, spray column 200 is suitable to receive the pyrolysis that moving bed pyrolysis reactor 100 is obtained
Oil gas, and cooling treatment is carried out to it, to respectively obtain tar and combustible gas.It should be noted that spray column 200 is included following
Ring cooling-part, can complete circulating cooling by recirculated cooling water.
In some embodiments of the present utility model, with reference to Fig. 4, the system of the pyrolysis junked tire is further included:
Fuel Tanking Unit 1300.According to embodiment of the present utility model, Fuel Tanking Unit 1300 is connected with spray column 200, for collecting spray
The tar that tower 200 is obtained.Thus, it is possible to by Fuel Tanking Unit 1300 collect tar and by tar standing separation after recycle.
System according to the pyrolysis junked tire of the utility model embodiment is heat by using multigroup heat accumulation type radiant tube
Solution preocess provides thermal source, can be realized to the accurate of pyrolytic process by adjusting the flow of the combustion gas for being passed through heat accumulation type radiant tube
Temperature control, and heat accumulation type radiant tube passes through heat storage type combustion, it is ensured that the uniformity in temperature field, it is waste and old such that it is able to significantly improve
The pyrolysis efficiency of tire material, and then the yield of pyrolysis oil is improved, while relative to traditional use gas heat carrier or solid
Heat carrier is compared as the pyrolytic reaction device of pyrolysis thermal source, and moving bed pyrolysis reactor of the present utility model need not arrange pre-
Hot cell and carrier separative element, such that it is able to greatly simplify pyrolytic reaction technological process, and then significantly reduce the failure of device
Dust content is relatively low in rate and gained pyrolysis oil, and exhaust gas temperature is low, and secondly the utility model is by heat accumulation type radiant tube
Surrounding arrangement oil gas derives pipeline, can rapidly derive the oil gas that pyrolysis is produced, so as to restrained effectively the secondary of oil gas
Cracking, and then the yield of pyrolysis oil is improved, additionally by the top that pipeline is derived in oil gas, baffle plate being set, not only can effectively prevent
Only oil gas derives the blocking of pipeline, and the junked tire material scattering that will can fall so that junked tire material is in reaction
It is dispersed in device, it is so as to improve junked tire material pyrolysis efficiency and cold by being carried out to pyrolysis oil gas using spray column
It is solidifying to process, can be with isolated tar and combustible gas, so as to increase economic efficiency.
Specifically, by adjusting the flow that valve regulation is passed through the combustion gas of unidirectional heat accumulation type radiant tube that adjusts on gas pipeline
Deng the accurate temperature controlling realized to pyrolytic process so that heat accumulation type radiant tube temperature is 500~700 DEG C, and junked tire material Jing is warm
Solution charging aperture 101 is entered in reactor, and junked tire material is uniformly scattered in reactor and is heated to 500~600 DEG C and sends out
Raw pyrolytic reaction, the configured oil gas around heat accumulation type radiant tube of pyrolysis oil gas of generation is derived pipeline and is collected to dust arrester
(it is one group that pipeline is derived per layer 2-3 oil gas, and the oil gas that pyrolysis is produced is derived pipeline and converged in 2 seconds by unit of group by oil gas
Collect together), and junked tire material be arranged in dropping process oil gas derive pipeline above baffle plate break up anti-
Answer dispersed in device, in the reactor the time of staying is the 4-10 seconds to material, and the heat of the pyrolysis oil gas removing dust device for obtaining
Solution oil gas vent is supplied into spray column and carries out cooling treatment, obtains tar and combustible gas.
With reference to Fig. 4, further included according to the system of the pyrolysis junked tire of the utility model embodiment:Steel wire removes dress
Put 300, breaker 400, concentration equipment 500, particle size screening device 600, feed hopper 700 and feeding screw 800.
According to embodiment of the present utility model, steel wire removal device 300, breaker 400, concentration equipment 500, particle diameter sieve
Screening device 600, feed hopper 700 and feeding screw 800 are sequentially connected;Feed hopper 700 has hopper entrance 701 and hopper outlet
702, hopper entrance 701 is connected with the outlet 601 of particle size screening device 600;Feeding screw 800 has charging aperture 801 and goes out
Material mouth 802, charging aperture 801 is connected with hopper outlet 702, the pyrolysis feed mouth of discharging opening 802 and moving bed pyrolysis reactor 100
101 are connected.
According to specific embodiment of the utility model, junked tire Jing steel wires removal device 300 (for example taking out steel wire producing machine)
Whole steel wire is extracted, and after crushing subsequently into breaker 400 (such as disintegrating machine), then the steel wire do not extracted is passed through into concentration equipment
500 (such as magnetic separators) carry out magnetic separation, eventually pass particle size screening device 600 and screen (for example vibratory sieve sieves), to screen butterfly
Rubber grain of the particle diameter less than 2mm is obtained, in sending into feed hopper 700, Jing feeding screws 800 send into moving bed pyrolysis reactor
100.Thereby, it is possible to effectively obtain rubber grain of the particle diameter less than 2mm, and moving bed pyrolysis reactor is supplied to, such that it is able to
Further improve the pyrolysis efficiency of junked tire material.
With reference to Fig. 4, further included according to the system of the pyrolysis junked tire of the utility model embodiment:Spiral discharging device
900.According to embodiment of the present utility model, spiral discharging device 900 exports 102 phases with the semicoke of moving bed pyrolysis reactor 100
Even.Thus, it is possible to the thermal decomposition product semicoke cooling that effectively internal system settles down is discharged, it is easy to later use.
According to specific embodiment of the utility model, further the semicoke of discharge can be gasified by gasification furnace etc.
Process, used as fuel with producing fuel gas and lime-ash, and the fuel gas being delivered to into heat accumulation type radiant tube.Thus, pass through
The thermal decomposition product semicoke that internal system is obtained is gasified, and the fuel gas that gasification is obtained is supplied to heat accumulation type radiant tube work
Use for fuel, the dependence refueled to outside can be significantly reduced.
With reference to Fig. 4, further included according to the system of the pyrolysis junked tire of the utility model embodiment:Multigroup whirlwind point
From the shared semicoke collector 1100 of device 1000 and, wherein, multigroup cyclone separator 1000 is arranged on moving bed heat
Between solution reactor 100 and spray column 200, every group of cyclone separator 1000 includes one cyclonic deduster 1001 and is arranged on
The secondary cyclone 1002 of the lower section of one cyclonic deduster 1001, one cyclonic deduster 1001 and secondary cyclone
The valve for connecting or separating the one cyclonic deduster and the secondary cyclone, later group are provided between 1002
The oil gas entrance of the one cyclonic deduster 1001 of cyclone separator and the one cyclonic dedusting of previous group cyclone separator
The oil gas vent of device 1001 is connected, the secondary cyclone 1002 of semicoke collector 1100 and every group of cyclone separator 1000
Outlet be connected.
Thus, it is possible to before the pyrolysis oil gas for obtaining moving bed pyrolysis reactor 100 is delivered to spray column 200, it is right
Pyrolysis oil gas carries out further dedusting and purified treatment, to make through one cyclonic deduster 1001 and two grades of cyclonic separations
The thin semicoke got off after device 1002 is into semicoke collector 1100, and the purer pyrolysis gas obtained through dedusting and after separating
Can then convey and quickly be cooled down in feeding spray column, thus, it is possible to the efficiency of follow-up cooling is improved, and gained oil in spray column
The quality of product and combustible gas, the tar purity for obtaining is high.
In some embodiments of the present utility model, with reference to Fig. 4, the system of the pyrolysis junked tire is further included:
Air collector 1200.According to embodiment of the present utility model, air collector 1200 is connected with spray column 200, for collecting spray column 200
The combustion gas of discharge.
Understand for convenience, the method for the system pyrolysis junked tire using above-mentioned pyrolysis junked tire is carried out below
Describe in detail.
As shown in figure 5, according to embodiment of the present utility model, the method includes:
S100:Junked tire material is delivered in moving bed pyrolysis reactor carries out pyrolysis processing
According to embodiment of the present utility model, junked tire material is delivered to into moving bed pyrolysis reaction from pyrolysis feed mouth
In device, fuel and air are respectively fed in heat accumulation type radiant tube so that fuel burns in heat accumulation type radiant tube and produces heat
Amount carries out pyrolysis processing to junked tire material radiant heating, such that it is able to obtain being pyrolyzed oil gas and semicoke.
According to one embodiment of the present utility model, the granularity of junked tire material is not particularly restricted, this area skill
Art personnel can be selected according to actual needs, according to specific embodiment of the utility model, the granularity of junked tire material
Less than 2mm, namely the granularity of the rubber grain for obtaining is less than 2mm.Thus, it is possible to improve pyrolysis efficiency.
According to some specific examples of the present utility model, the pyrolytic reaction time of junked tire material is the 4-10 seconds, is pyrolyzed
Reaction temperature is 450-550 degree Celsius.Thus, efficiency high, biological quality better are pyrolyzed.Specifically, storage can be passed through by adjustment
Flow of the combustion gas of hot type radiant tube etc. realizes the accurate temperature controlling to pyrolytic process, and heat accumulation type radiant tube using periodically commutation
Combustion system so that the temperature field of single heat accumulation type radiant tube is more or less the same in 30 DEG C, so as to ensure reactor temperature field
Uniformity, for example by adjustment be passed through heat accumulation type radiant tube combustion gas flow so that in reactor epimere region heat accumulating type
The regulation temperature range of radiant tube is 500~800 DEG C, it is ensured that the abundant pyrolysis of junked tire material, and by adjustment accumulation of heat is passed through
The flow of the combustion gas of formula radiant tube cause the heat accumulation type radiant tube in hypomere region in reactor regulation temperature range be 450~
650 DEG C, so as to further heat the junked tire material that a part is not pyrolyzed completely.
S200:Pyrolysis oil gas is delivered in spray column carries out cooling treatment
According to embodiment of the present utility model, by the pyrolysis oil gas removing dust device obtained in moving bed pyrolysis reactor
Pyrolysis oil gas vent is delivered in spray column and carries out cooling treatment, such that it is able to obtain tar and combustible gas.It should be noted that
Those skilled in the art can be selected the condition of cooling treatment in spray column according to actual needs.
Method according to the pyrolysis junked tire of the utility model embodiment is heat by using multigroup heat accumulation type radiant tube
Solution preocess provides thermal source, can be realized to the accurate of pyrolytic process by adjusting the flow of the combustion gas for being passed through heat accumulation type radiant tube
Temperature control, and heat accumulation type radiant tube passes through heat storage type combustion, it is ensured that the uniformity in temperature field, it is waste and old such that it is able to significantly improve
The pyrolysis efficiency of tire material, and then the yield of pyrolysis oil is improved, while more traditional use gas heat carrier or solid thermal are carried
Body is compared as the pyrolytic reaction device of pyrolysis thermal source, and it is single that moving bed pyrolysis reactor of the present utility model need not arrange preheating
Unit and carrier separative element, such that it is able to greatly simplify pyrolytic reaction technological process, and then significantly reduce device fault rate and
Dust content is relatively low in gained pyrolysis oil, and exhaust gas temperature is low, and secondly the utility model is by around heat accumulation type radiant tube
Arrangement oil gas derives pipeline, can rapidly derive the oil gas that pyrolysis is produced, so as to restrained effectively the second pyrolysis of oil gas,
And then the yield of raising pyrolysis oil, additionally by the top that pipeline is derived in oil gas, baffle plate is set, not only can effectively prevent oil
The blocking in gas delivery line road, and the junked tire material scattering that will can fall so that junked tire material is in the reactor
It is dispersed, so as to improve junked tire material pyrolysis efficiency, and by being carried out at cooling to being pyrolyzed oil gas using spray column
Reason, can be with isolated tar and combustible gas, so as to increase economic efficiency.
Specifically, by adjusting the flow that valve regulation is passed through the combustion gas of unidirectional heat accumulation type radiant tube that adjusts on gas pipeline
Deng the accurate temperature controlling realized to pyrolytic process so that the regulation temperature range of the heat accumulation type radiant tube in epimere region is in reactor
500~800 DEG C, it is ensured that the abundant pyrolysis of junked tire material, made by adjusting the flow of the combustion gas for being passed through heat accumulation type radiant tube
The regulation temperature range for obtaining the heat accumulation type radiant tube in hypomere region in reactor is 450~650 DEG C, so as to further heat one
Divide the junked tire material not being pyrolyzed completely.The configured oil gas around heat accumulation type radiant tube of pyrolysis oil gas of generation is derived
Pipe influx to dust arrester (it is one group that pipeline is derived per layer 2-3 oil gas, be pyrolyzed the oil gas that produces by oil gas derivation pipeline with
Group pooled together in 2 seconds for unit), and junked tire material be arranged in dropping process oil gas derivation pipeline on
The baffle plate of side breaks up dispersed in the reactor, and in the reactor the time of staying is the 1-10 seconds to material, and the pyrolysis oil for obtaining
The pyrolysis oil gas vent of gas removing dust device is supplied into spray column and carries out cooling treatment, obtains tar and combustible gas.
In some embodiments of the present utility model, before the cooling treatment is carried out, further include:By the heat
Solution oil-gas transportation carries out separation and purification treatment to multigroup cyclone separator.Specifically, as shown in fig. 6, according to this practicality
The method of the pyrolysis junked tire of new embodiment is further included:
S300:Pyrolysis oil gas is delivered to into multigroup cyclone separator carries out separation and purification treatment
Thus, it is possible to before the pyrolysis oil gas for obtaining moving bed pyrolysis reactor 100 is delivered to spray column 200, it is right
Pyrolysis oil gas carries out further dedusting and purified treatment, to make through one cyclonic deduster 1001 and two grades of cyclonic separations
The thin semicoke got off after device 1002 is into semicoke collector 1100, and the purer pyrolysis gas obtained through dedusting and after separating
Then it is delivered in spray column and quickly cools down, thus, it is possible to improve the efficiency of follow-up cooling, and gained oil product and can in spray column
The quality of combustion gas, the tar purity for obtaining is high.
As shown in fig. 7, being further included according to the method for the pyrolysis junked tire of the utility model embodiment:
S400:Junked tire is pre-processed and is delivered to moving bed pyrolysis reactor
In some embodiments of the present utility model, S400 includes:Junked tire is set to pass sequentially through steel wire removal device
300th, breaker 400, concentration equipment 500 and particle size screening device 600 are pre-processed, and pretreatment product is led to successively
Cross feed hopper 700 and feeding screw 800 is delivered to moving bed pyrolysis reactor 100.It is less than thereby, it is possible to effectively obtain particle diameter
The rubber grain of 2mm, and moving bed pyrolysis reactor is supplied to, such that it is able to further improve the pyrolysis effect of junked tire material
Rate.
According to some embodiments of the present utility model, the method for pyrolysis junked tire of the present utility model can be wrapped further
Include:The spiral shell that the pyrolysis char that internal system is settled down is connected by the semicoke outlet 102 with moving bed pyrolysis reactor 100
Screw out the cooling of glassware 900 to discharge.Thus, it is easy to later use.
Additionally, with reference to Fig. 8, according to a specific example of the present utility model, pyrolysis junked tire of the present utility model
Method includes:
S400:Junked tire is pre-processed and is delivered to moving bed pyrolysis reactor;
S100:Junked tire material is delivered in moving bed pyrolysis reactor carries out pyrolysis processing;
S300:Pyrolysis oil gas is delivered to into multigroup cyclone separator carries out separation and purification treatment;
S200:Pyrolysis oil gas is delivered in spray column carries out cooling treatment;
That is, according to specific example of the present utility model, the method for pyrolysis junked tire of the present utility model can include:
First, according to specific embodiment of the utility model, junked tire Jing steel wires removal device 300 (for example takes out steel wire
Machine) whole steel wire is extracted, after crushing subsequently into breaker 400 (such as disintegrating machine), then the steel wire do not extracted is passed through into magnetic
Screening device 500 (such as magnetic separator) carries out magnetic separation, eventually passes particle size screening device 600 and screens (for example vibratory sieve sieves), with
Screening obtains rubber grain of the particle diameter less than 2mm, the junked tire material is sent in feed hopper 700, Jing feeding screws 800
Send into moving bed pyrolysis reactor 100.
Then, make junked tire material stop 4-10s in pyrolysis reactor 100, and be warming up to 450-550 DEG C, wherein
The junked tire material particles of crushing are mixed in pyrolysis reactor with catalyst, are 450 DEG C~550 DEG C and pottery in pyrolysis temperature
It is pyrolyzed junked tire material in the presence of porcelain solid acid catalyst, obtains being pyrolyzed oil gas and hot semicoke, also, the heat
Solution oil gas (500 DEG C) is crossed via the dust removal process of dust arrester 15;
Next, hot semicoke is cooled down into discharge by spiral discharging device 900;The height that will be obtained in pyrolysis reactor 100
Warm solution oil-gas transportation makes through one cyclonic deduster 1001 and is arranged on one-level rotation to multigroup cyclone separator 1000
The thin semicoke got off after the secondary cyclone 1002 of the lower section of wind deduster 1001 enters semicoke collection device 1100, then will
The purer pyrolysis oil gas obtained through dedusting and after separating is delivered in spray column 200.
Then, cooling treatment is carried out to pure pyrolysis oil gas using spray column 200, obtains tar and combustion gas;Through cold
But the tar after is transported to Fuel Tanking Unit 1300.
In addition, according to some specific embodiments of the present utility model, the method for pyrolysis junked tire of the present utility model can
To further include:The semicoke of discharge is carried out into gasification process by gasification furnace etc., to produce fuel gas and lime-ash, and this is fired
Material gas is delivered to heat accumulation type radiant tube and uses as fuel.Thus, the thermal decomposition product semicoke by the way that internal system is obtained is carried out
Gasification, and the fuel gas that obtains of gasification is supplied to heat accumulation type radiant tube use as fuel, can significantly reduce to outside benefit
To the dependence of fuel.
As it was previously stated, can be had according to the system and method for the pyrolysis junked tire of the utility model embodiment being selected from down
At least one advantage of row:
1) moving bed pyrolysis reactor adopts heat accumulation type radiant tube heat supply, reaction system simple structure, easy to operate, temperature
It is evenly distributed, heating effect is good.
2) in moving bed pyrolysis reactor, top to the bottom multi-tier arrangement of heat accumulation type radiant tube autoreactor will react
Device region is divided into two sections, can carry out accurate temperature controlling to upper-lower section conversion zone, freely adjusts a control part and is not pyrolyzed completely
Material.The combustion system of radiant tube periodically commutation, can not only improve the thermal efficiency of system, and ensure that the equal of temperature field
Even property;
3) the multi-layer intercrossed arrangement in the top of heat accumulation type radiant tube autoreactor to bottom, using staggeredly it is alternate arrangement with
In-line arrangement is compared, and tyre crumbs can not only be made to move in reactor good streamline, it is to avoid locally receive in reactor
Heat, and particle enough time of staying in reactor are can guarantee that, can greatly improve pyrolysis efficiency.
4) oil gas is installed around every heat accumulation type radiant tube derives pipeline, for example, match somebody with somebody on every heat accumulation type radiant tube both sides
There are two oil gas to derive pipeline, in reactor sidepiece and top multiple pyrolysis oil gas vents are provided with, oil gas can be promoted timely and effective
Ground is discharged, and the second pyrolysis for suppressing oil gas improves tar yield, good in economic efficiency.
5) baffle plate is installed in the top for deriving pipeline in oil gas, can prevent pyrolysis oil gas from quickly deriving line clogging, has again
Breaing up beneficial to material such that it is able to advantageously promote pyrolysis.
6) catalyst is injected into uniformly to become scattered about storeroom by catalyst inlet, more by catalysis pyrolysis output
Tar;
7) whole technique does not have heat carrier, and technological process has obtained great simplification, and the fault-free that can extend system is continuous
Run time, is adapted to industrialization promotion.
8) the hot semicoke in thermal decomposition product is discharged by moving bed pyrolysis reactor bottom, and Jing deslagging cooling spirals are cooled down
Semicoke collection device is directly entered to cold conditions semicoke, further, after processing hot tar and pyrolysis gas difference cooling and purifying, energy
It is enough that greatly pyrolysis product is comprehensively utilized.
9) junked tire Jing takes out steel wire producing machine and whole steel wire is extracted, and is then sieved through sieve, sieve through vibration after broken, magnetic separation
Rubber grain of the particle diameter less than 2mm is selected, be efficiently avoid because material steel wire directly enters dividing for the follow-up complexity that furnace zone is come
Separating process.
10) junked tire of below 2mm can be processed according to the system of the pyrolysis junked tire of the utility model embodiment
Particle, raw material availability is high, process is simple, is suitable to promote.
11) dust arrester is partially embedded into inside pyrolysis reactor, without the need for adding external heat source, dust arrester temperature is omited
Less than pyrolysis reactor fire box temperature, second pyrolysis or the condensation of tar can be prevented effectively from, the filter medium of dust arrester can be followed
Ring is used, and efficiency of dust collection is high, simple to operate.
Below with reference to specific embodiment, the utility model is described, it should be noted that these embodiments are only
Descriptive, and the utility model is limited never in any form.Unreceipted particular technique or condition in embodiment, according to ability
The technology described by document or condition in domain are carried out according to product description.Material therefor or the unreceipted factory of instrument
Shang Zhe, be can pass through city available from conventional products.