CN105400527A - Pyrolysis reactor - Google Patents
Pyrolysis reactor Download PDFInfo
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- CN105400527A CN105400527A CN201510897220.3A CN201510897220A CN105400527A CN 105400527 A CN105400527 A CN 105400527A CN 201510897220 A CN201510897220 A CN 201510897220A CN 105400527 A CN105400527 A CN 105400527A
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Abstract
The invention provides a pyrolysis reactor, which includes: regenerative type radiant tubes, a stirring device, a catalyst adding component, an air pumping umbrella and a distributor. The regenerative type radiant tubes are arranged in multiple layers along the height direction of the pyrolysis reactor, and a plurality of regenerative type radiant tubes parallel to each other are disposed in each layer in the horizontal direction; the stirring device consists of a stirring shaft and a plurality of stirring rods connected to the stirring shaft, and the stirring shaft rotatably extends from a slag discharge port into the pyrolysis reactor; the catalyst adding component includes a catalyst main tube; a plurality of catalyst branch tubes, one or more catalyst jet members and a carrier gas delivery member; the air pumping umbrella is disposed on the top wall of the pyrolysis reactor and is connected to oil gas outlets; and the distributor is arranged on the top wall of the pyrolysis reactor and is connected to a feed port through a flange. The pyrolysis reactor provided by the invention can significantly improve the pyrolysis efficiency.
Description
Technical field
The present invention relates to the pyrolysis treatment systems designing a kind of carbonaceous material, especially a kind of pyrolysis reactor.
Background technology
Modern Coal-based Chemical is the high-efficiency cleaning trans-utilization realizing the carbonaceous fuels such as low-rank coal, develop multiple comprehensive coal chemical technology, pyrolysis-burning decoupling zero, pyrolysis-chemical decoupling zero, pyrolysis-gasification decoupling zero etc., but really realize industrialized few, the process of amplifying from pilot scale to industrialization, encounter various technical barrier.Wherein especially with pyrolysis reactor design, subsequent purification treatment process is particularly outstanding.At present, the main type of furnace of carbonaceous fuel (coal, resinous shale, biomass etc.) pyrolysis has the solid heat carrier retort of Fushun stove, three river side's stoves, Dalian University of Science & Engineering, loves the Galoter stove of husky Leah and the ATP stove of Australia etc.Some gas retorts can only be used for the block resinous shale of pyrolysis and coal, and small particle size material cannot utilize, and resource utilization is low, and pulverulent material is because utilizing and bulk deposition; Take gas as the type of furnace of thermal barrier, because condensate recovery system is huge, the problems such as pyrolysis gas calorific value is low, and tar yield is low, are difficult to further genralrlization demonstration; Take solid as the type of furnace of thermal barrier, then there is raw material and thermal barrier Homogeneous phase mixing, the problems such as separation, and limit it and further develop.
Therefore, current pyrolytic technique is further improved.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention is to propose the high and pyrolysis reactor that energy consumption is low of a kind of pyrolysis efficiency.
According to an aspect of the present invention, the present invention proposes a kind of pyrolysis reactor, the pyrolysis reactor according to the embodiment of the present invention comprises:
Heat accumulation type radiant tube, described heat accumulation type radiant tube is arranged along the short transverse multilayer of described pyrolysis reactor, and every layer has the many heat accumulation type radiant tubes arranged in the horizontal direction;
Whipping appts, described whipping appts comprises stir shaft and is connected to the multiple agitator arms on described stir shaft, described agitator arm is perpendicular to described stir shaft, and described stir shaft rotatably extend into the inside of described pyrolysis reactor from the slag-drip opening bottom described pyrolysis reactor;
Catalyst-adding device, described catalyst-adding device comprises:
Catalyst hooper;
Catalyzer is responsible for, and described catalyzer supervisor is connected with described catalyst hooper;
Catalyzer arm, described catalyzer arm is responsible for described catalyzer and is connected, described catalyzer arm through described pyrolysis reactor wall and extend to the inside of described pyrolysis reactor;
One or more catalyst ejector part, described catalyst ejector part is arranged on described catalyzer arm, and it is inner to be positioned at described pyrolysis reactor,
Part is sent in carrier gas, and it is responsible for described catalyzer and is connected,
To bleed umbrella, described in umbrella of bleeding to be arranged on described pyrolysis reactor roof and to be connected with oil gas vent; And
Distributor, described distributor has multiple one-level discharge passageway, and the roof that described distributor is arranged on described pyrolysis reactor is connected by the opening for feed of flange with described pyrolysis reactor.
This pyrolysis reactor adopts heat accumulation type radiant tube thus, and reaction process is simple, and inside reactor uniform temperature fields, can realize subregion temperature control, system thermal efficiency is high; Secondly, adopt catalyzer to add assembly and send into catalyzer in pyrolysis reactor, can catalysis carbonaceous material fuel thermal decomposition effectively.Therefore, the pyrolysis reactor of the above embodiment of the present invention is adopted can to significantly improve pyrolysis efficiency.
The present invention is mainly in order to develop a kind of thermal storage type moving bed pyrolysis reactor of carbonaceous fuel, and this reactor effectively can suppress the secondary reaction of oil gas, improves tar yield.Meanwhile, have employed heat accumulating type without thermal barrier radiator tube heating technique, without the need to gas, solid thermal barrier, improve the calorific value of pyrolysis gas.Meanwhile, it is few that equipment taken into account by thermal storage type moving bed pyrolysis reactor, easy to operate, the advantages such as failure rate is low.
In addition, pyrolysis reactor according to the above embodiment of the present invention can also have following additional technical characteristic:
In some embodiments of the present invention, multiple described agitator arm is in the axially spaced apart distribution of described stir shaft.
In some embodiments of the present invention, the axially spaced apart distribution being projected in described stir shaft of multiple described agitator arm, is preferably evenly spaced apart distribution.
In some embodiments of the present invention, in the same cross section of described stir shaft, the angle between the projection of two adjacent described agitator arms for being greater than 0 ~ 90 degree, preferably 30 ~ 90 degree.
In some embodiments of the present invention, along the length of described stir shaft, the angle between two adjacent agitator arms is 0 ~ 90 degree, preferably 30 ~ 90 degree.
In some embodiments of the present invention, described catalyzer arm is multiple and the length direction be responsible for along described catalyzer is arranged parallel to each other.
In some embodiments of the present invention, described catalyst ejector part comprises catalyzer jet pipe and is arranged on the nozzle on described catalyzer jet pipe, and described nozzle is provided with variable valve,
Preferably, described catalyzer jet pipe comprises multiple spaced apart in the horizontal direction and connected successively from beginning to end multiple muonic catalysis agent jet pipes, and the tube wall of described muonic catalysis agent jet pipe has multiple catalyzer spray orifice,
Optionally, the multiple catalyzer spray orifices on the tube wall of described muonic catalysis agent jet pipe are uniformly distributed and all down.
In some embodiments of the present invention, described catalyzer arm is arranged on the interlayer of described heat accumulation type radiant tube.
In some embodiments of the present invention, the end that part is connected to described catalyzer supervisor is sent in described carrier gas, and preferred described carrier gas is sent part and removably connected or be soldered to described catalyzer supervisor.
In some embodiments of the present invention, described one-level discharge passageway is symmetrical relative to the axis of described distributor,
Optionally, each one-level discharge passageway has multiple secondary discharge passageway,
Optionally, each secondary discharge passageway has multiple three grades of discharge passageway, preferably has multiple more senior discharge passageway,
Optionally, optionally have inert gas entrance in the junction of discharge passageway not at the same level, described inert gas entrance is connected with the gas-holder be arranged on outside described pyrolysis reactor.
In some embodiments of the present invention, the multiple muonic catalysis agent jet pipes in the multiple heat accumulation type radiant tube in every layer of heat accumulation type radiant tube and adjacent upper and lower two-layer catalyzer jet pipe are in staggered distribution along pyrolysis reactor short transverse.
In some embodiments of the present invention, the top of every layer of heat accumulation type radiant tube all has one deck catalyzer jet pipe, and the below of every layer of heat accumulation type radiant tube all has one deck agitator arm.
Accompanying drawing explanation
Fig. 1 is the structural representation of pyrolysis reactor according to an embodiment of the invention.
Fig. 2 is the structural representation of the whipping appts according to an embodiment of the invention in pyrolysis reactor.
Fig. 3 is the structural representation of the whipping appts according to an embodiment of the invention in pyrolysis reactor.
Fig. 4 is the structural representation of the catalyzer jet pipe according to an embodiment of the invention in pyrolysis reactor.
Fig. 5 is the structural representation of the distributor according to an embodiment of the invention in pyrolysis reactor.
Embodiment
Be described below in detail embodiments of the invention, the example of embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
According to an aspect of the present invention, the present invention proposes a kind of pyrolysis reactor.Describe the pyrolysis reactor 100 of the specific embodiment of the invention below with reference to Fig. 1 in detail, comprising: heat accumulation type radiant tube 20, whipping appts 30, catalyzer add assembly 40, bleed umbrella 50 and distributor 60.
Wherein, reactor 100 has the opening for feed 11 and oil gas vent 12 that are positioned at top and the slag-drip opening 13 being positioned at bottom, forms drying and dehydrating district, pyrolysis reaction region and semicoke maturation zone in reactor from top to bottom;
Heat accumulation type radiant tube 20 is arranged along the short transverse multilayer of pyrolysis reactor, and every layer has many heat accumulation type radiant tubes parallel to each other in the horizontal direction;
Multiple agitator arms 32 that whipping appts 30 comprises stir shaft 31 and is connected on stir shaft 31, stir shaft rotatably extend into pyrolysis reactor inside from the slag-drip opening of pyrolysis reactor;
Catalyzer adds assembly 40 and comprises: catalyst hooper 41; Catalyzer supervisor 42, catalyzer arm 43, one or more catalyst ejector part 44, part (not shown) is sent in carrier gas, and wherein, catalyzer supervisor be connected with described catalyst hooper; Described catalyzer arm is responsible for described catalyzer and is connected, described catalyzer arm through described pyrolysis reactor wall and extend to the inside of described pyrolysis reactor; Described catalyst ejector part is arranged on described catalyzer arm, and it is inner to be positioned at described pyrolysis reactor, and carrier gas is sent part and is responsible for described catalyzer and is connected;
Umbrella 50 of bleeding to be arranged in drying and dehydrating district and to be connected with oil gas vent 12; And distributor 60 has multiple one-level discharge passageway 61, optional each one-level discharge passageway 61 has multiple secondary discharge passageway 62, and distributor 60 is connected with opening for feed 11.
According to a particular embodiment of the invention, the width of pyrolysis reactor 100 is 2 ~ 8m, and length and broadband should quite, and the height of pyrolysis reactor is controlled by the vertical spacing of the quantity and radiator tube that control radiator tube, can be highly 5 ~ 20m.Thus, the complete pyrolysis of material in pyrolysis reactor 100 can be realized.Further, pyrolysis char is discharged from the slag-drip opening bottom pyrolysis reactor, and discharges through cold slag spiral.
According to a particular embodiment of the invention, heat accumulation type radiant tube 20 is spaced apart along pyrolysis reactor short transverse in pyrolysis reactor, and every layer of heat accumulation type radiant tube 20 comprises multiple heat accumulation type radiant tube spaced apart in the horizontal direction.Adopt heat accumulation type radiant tube, heat smoke and the fuel and the air heat-exchange that enter combustion chamber, reduce funnel temperature, and heat transfer efficiency improves, and capacity usage ratio is high.
According to concrete example of the present invention, the multiple muonic catalysis agent jet pipes in the multiple heat accumulation type radiant tube in every layer of heat accumulation type radiant tube and adjacent upper and lower two-layer catalyzer jet pipe are in staggered distribution along pyrolysis reactor short transverse.
According to embodiments of the invention, heat accumulation type radiant tube 20 in pyrolysis reactor along pyrolysis reactor 100 short transverse Multi-layers distributing, and every layer has multiple heat accumulation type radiant tube parallel to each other and spaced apart in the horizontal direction, according to a particular embodiment of the invention, every layer of heat accumulation type radiant tube comprises multiple parallel and equally distributed heat accumulation type radiant tube and each 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.According to concrete example of the present invention, heat accumulation type radiant tube is the circle of caliber 200 ~ 300mm or semicircle radiator tube.Thus, the pyrolysis efficiency of material can be significantly improved, and then improve pyrolysis gas productive rate.
According to embodiments of the invention, the horizontal throw between adjacent heat accumulation type radiant tube center is 300 ~ 500mm, and the vertical range between mutually adjacent heat accumulation type radiant tube center is 500 ~ 900mm.It should be explained that, horizontal throw between adjacent heat accumulation type radiant tube center can be understood as the distance on same layer between heat accumulation type radiant tube center, and the vertical range between adjacent heat accumulation type radiant tube center can be understood as adjacent upper and lower two interlayers adjacent heat accumulation type radiant tube center between distance.
According to embodiments of the invention, the number of plies of heat accumulation type radiant tube can be 5-15 layer.Contriver finds, this kind of structural arrangement can make uniform distribution of temperature field in pyrolysis reaction region, thus can significantly improve the pyrolysis efficiency of material, and then improves the yield of pyrolysis gas.
According to embodiments of the invention, heat accumulation type radiant tube can be unidirectional regenerative gas radiator tube, and the heat namely produced by combustion gas by radiator tube body carries out heat supply in the mode of radiation.According to a particular embodiment of the invention, heat accumulation type radiant tube can be provided with gas control valve (not shown).Thus, by controlling to enter the air of radiator tube, gas quantity and proportioning thereof, radiator tube surface temperature is controlled, control the temperature required field of reaction, realize the accurate temperature controlling to pyrolytic process, thus the pyrolysis efficiency of material can be significantly improved, and then improve the yield of pyrolysis gas.Radiator tube combustion produce high-temperature flue gas, through with enter the low temperature control heat exchange of radiator tube, reduce funnel temperature, improve efficiency of combustion.
Concrete, the accurate temperature controlling of the realizations such as the flow of the combustion gas of heat accumulation type radiant tube to pyrolytic process can be passed into by adjustment, and heat accumulation type radiant tube adopts the combustion system of regularly commutation, the temperature field of single radiator tube is made to be more or less the same in 30 DEG C, and there is no partial insulation district, thus ensure the homogeneity in temperature field in pyrolysis reactor.
According to embodiments of the invention, whipping appts 30 comprises stir shaft 31 and multiple agitator arm 32, and multiple agitator arm 32 can be connected on stir shaft 31, thus stir shaft drives agitator arm to rotate under the driving of drive-motor, according to a particular embodiment of the invention, stir shaft 31 rotatably extend into pyrolysis reactor inside from the slag-drip opening 13 of pyrolysis reactor.Invention finds, by arranging whipping appts in pyrolysis reactor, agitator arm is in the process carrying out back rotation, stacking material is loosened, increase the voidage between stacking material, reduce pyrolysis oil gas through material bed pressure drop, make the pyrolysis oil gas produced can pass rapidly through material bed discharge.
According to a specific embodiment of the present invention, multiple agitator arm is in the axially spaced apart distribution of stir shaft.Thus, agitator arm can be made effectively to loosen inside reactor material, thus the derivation rate of pyrolysis oil gas can be significantly improved.
According to another specific embodiment of the present invention, on the shaft section of stir shaft, spaced apart distribution in the circumference being projected in stir shaft of multiple agitator arm.Thus, agitator arm can be made effectively to loosen inside reactor material, thus improve the derivation rate of pyrolysis oil gas further.
According to another specific embodiment of the present invention, as shown in Figure 2, on the shaft section of stir shaft, the circumference being projected in stir shaft of multiple agitator arm is evenly spaced apart distribution, according to concrete example of the present invention, on the shaft section of stir shaft, in the projection of multiple agitator arm, angle theta between two adjacent agitator arms can be 0 ~ 90 degree, preferably 30 ~ 90 degree.Thus, agitator arm can be made effectively to loosen inside reactor material, thus improve the derivation rate of pyrolysis oil gas further.According to concrete example of the present invention, the angle between every layer of agitator arm can be 180 degree, also can be to distribute between 0-90 degree.The length of central stirring shaft can be 1-18m, and detachable agitator arm vertical spacing can be 0.4-1m, and the number of plies can be 11-26 layer.
According to concrete example of the present invention, every layer of agitator arm between adjacent two layers heat accumulation type radiant tube, can loosen inside reactor material thus effectively, thus improves the derivation rate of pyrolysis oil gas further, avoid coking on heat accumulation type radiant tube, guarantee equipment normally runs simultaneously.
According to another specific embodiment of the present invention, as shown in Figure 3, on the shaft section of stir shaft, the projection of multiple agitator arm is located at the both sides in the diametric(al) of stir shaft.Thus, agitator arm can be made effectively to loosen inside reactor material, thus improve the derivation rate of pyrolysis oil gas further.
According to a particular embodiment of the invention, as shown in Figure 1, catalyzer adds assembly 40 and comprises: part (not shown) is sent in catalyst hooper 41, catalyzer supervisor 42, catalyzer arm 43, one or more catalyst ejector part 44 and carrier gas.
According to concrete example of the present invention, catalyzer arm 43 is that multiple and along catalyzer supervisor length direction is arranged parallel to each other.According to concrete example of the present invention, the nozzle that described catalyst ejector part 44 comprises catalyzer jet pipe 441 and is arranged on described catalyzer jet pipe 441, nozzle is provided with variable valve.The end that part is connected to described catalyzer supervisor is sent in described carrier gas, and preferred described carrier gas is sent part and removably connected or be soldered to described catalyzer supervisor.
According to concrete example of the present invention, as shown in Figure 4, every layer of catalyzer jet pipe 40 is made up of multiple spaced apart in the horizontal direction and connected successively from beginning to end multiple muonic catalysis agent jet pipes 442, and the tube wall of each muonic catalysis agent jet pipe has multiple catalyzer spray orifice 443.Adopt the catalyzer coil pipe of special shape thus, the catalyzer come by catalyzer arm is carried by rare gas element and sprays in pyrolysis reactor in catalyzer jet pipe.Can catalyzer be evenly distributed in pyrolysis reactor, with pyrolysis feed Homogeneous phase mixing, and then catalyse pyrolysis reaction, improve pyrolysis efficiency.
According to concrete example of the present invention, one end of catalyzer arm is removably connected to catalyzer supervisor and is above also communicated with it, one end of catalyzer jet pipe is communicated with the other end of catalyzer arm, the other end of catalyzer jet pipe is fixed on furnace wall, thus, catalyzer jet pipe is across pyrolysis reactor inside on the width of reactor.The bottom of catalyzer supervisor is communicated with gas reservoir.Rare gas element is blown into catalyzer supervisor by gas reservoir, thus catalyzer is blown into catalyzer jet pipe.Rare gas element can be nitrogen etc.Catalyzer jet pipe can be U-shaped, S type etc., needs to explain, being U-shaped when group catalyzer jet pipe number is 2, is S type when group catalyzer jet pipe number is 3.
According to a particular embodiment of the invention, catalyzer arm is arranged on the interlayer of described heat accumulation type radiant tube.
According to concrete example of the present invention, the multiple muonic catalysis agent jet pipes in the multiple heat accumulation type radiant tube in every layer of heat accumulation type radiant tube and adjacent upper and lower two-layer catalyzer jet pipe are in staggered distribution along pyrolysis reactor short transverse.
According to concrete example of the present invention, the number of muonic catalysis agent jet pipe can be determined according to the radiator tube number in every layer of heat accumulation type radiant tube, and then can make to be furnished with muonic catalysis agent jet pipe around every root heat accumulation type radiant tube.And then raising catalyzer adds uniformity coefficient, and reaction degree of being heated evenly.The catalyzer of particle diameter≤0.5mm is sprayed in coal charge layer equably by muonic catalysis agent jet pipe.Muonic catalysis agent jet pipe adopts the round tube of DN30-80, and catalyzer is blown in the muonic catalysis agent jet pipe of every layer by catalyzer supervisor.
According to concrete example of the present invention, the aperture of each catalyzer spray orifice 443 is 1/6 ~ 1/3 of muonic catalysis agent jet pipe caliber; Distance between adjacent two catalyzer spray orifices on muonic catalysis agent jet pipe is 2 ~ 8 times of catalyzer spray orifice aperture.According to a particular embodiment of the invention, the multiple catalyzer spray orifices 443 on the tube wall of each muonic catalysis agent jet pipe 442 are uniformly distributed and all down, and then prevent feed blocking catalyzer spray orifice.By controlling the caliber of above-mentioned muonic catalysis agent jet pipe, catalyzer spray orifice aperture, pitch of holes, and then control the amount and efficiency adding catalyzer, catalyse pyrolysis reacts, and improves pyrolysis efficiency.
Thus, adopt above-mentioned catalyzer to add assembly supply catalyzer, catalyzer can be made to be scattered in equably in stove, with coal Homogeneous phase mixing.With directly spray into the reactor of catalyzer in prior art in reactor head compared with, catalyzer directly can be injected into pyrolysis zone, can not affect the stream shape of coal in reactor coal ingress.
According to concrete example of the present invention, catalyzer arm is responsible for catalyzer on the one end be connected and is provided with variable valve, to adjust the inlet amount of catalyzer.
According to a particular embodiment of the invention, the top of every layer of heat accumulation type radiant tube all has one deck catalyzer jet pipe, and the below of every layer of heat accumulation type radiant tube all has one deck agitator arm.
According to a particular embodiment of the invention, umbrella of bleeding arranges 50 in drying and dehydrating district and is connected with oil gas vent 12.Particularly, umbrella 50 of bleeding can be fixed on the furnace wall of reactor head by flange, or is welded on the furnace wall of reactor head, and is connected with oil gas vent by pipeline.
According to concrete example of the present invention, umbrella 50 of bleeding can comprise at least two.According to a particular embodiment of the invention, adopt this umbrella of bleeding the oil gas that pyrolysis produces can be collected and derives rapidly in 2s, and then restrained effectively the second pyrolysis of oil gas, improve oily yield.
According to a particular embodiment of the invention, as shown in Figure 5, distributor 60 has multiple one-level discharge passageway 61, and multiple one-level discharge dephasign is symmetrical for the axis of distributor.Optional each one-level discharge passageway has multiple secondary discharge passageway 62, and distributor 60 is connected with opening for feed 11.According to a particular embodiment of the invention, distributor 60 has n+1 one-level discharge passageway, n is 3-8, an one-level discharge passageway is arranged on the centre of distributor, just to opening for feed, all the other n one-level discharge passageway are evenly spaced apart distribution in the circumference of distributor, and namely n refers to the discharge passageway of distributor periphery.The distributor arranged thus can make material be scattered uniformly in reactor, enables material fully pyrolysis.
According to a particular embodiment of the invention, each one-level discharge passageway has 3 ~ 6 secondary discharge passageway, each secondary discharge passageway has multiple three grades of discharge passageway, can arrange multistage discharge passageway according to actual needs, progression is 1 ~ 5 grade and is advisable, and between discharge passageway at the same level, angle should be equal.Distributor 60 is arranged in multiple-limb shape from top to bottom thus, and every partial material can be scattered in reactor uniformly.The discharge passageway of distributor 60 is the round tube of caliber 100 ~ 300mm.Material can be made to be scattered more uniformly in reactor by arranging multiple three grades of removal devices, improving material pyrolysis efficiency further, and then improving the productive rate of oil.
According to a particular embodiment of the invention, optionally have inert gas entrance 63 in the junction of discharge passageway not at the same level, inert gas entrance is connected with the gas-holder be arranged on outside pyrolysis reactor.Thus, the junction of discharge passageway not at the same level be provided with inert gas entrance and use nitrogen purge line, feed blocking can be avoided by bulk material.
According to a particular embodiment of the invention, above-mentioned pyrolysis reactor can further include: feeding screw 70 and spiral slag off apparatus 80, and feeding screw 70 is connected with opening for feed 11, and spiral slag off apparatus 80 is connected with slag-drip opening 13.Charging and deslagging efficiency can be improved further thus.
Embodiment 1
Para-bituminous coal granularity 1 ~ 5mm
1) agitator arm adopts scheme a, and namely between upper and lower two-layer agitator arm, angle is 180 °;
2) radiator tube in pyrolysis reactor is the circular radiation pipe of DN200mm, radiator tube left and right between centers 300mm.Vertical centre spacing is 400mm.Laying tube layer position is 18 layers, reactor width 2.9m;
3) pyrolysis distributor has 4+1 one-level discharge port, each one-level discharge port is arranged 3 secondary discharge passageway, each secondary discharge passageway is arranged 3 three grades of discharge passageway;
4) particle diameter be the catalyzer of 0.5mm by catalyzer supervisor, arm and catalyzer jet pipe, spray as pyrolysis oven inside, with carbonaceous material Homogeneous phase mixing;
5) control pyrolysis oven upper temp 680 ~ 720 DEG C, pyrolysis oven middle portion temperature is 580 ~ 630 DEG C, and pyrolysis oven bottom temp is 500 ~ 550 DEG C;
6) control pyrolysis oven bottom motors rotating speed, make coal dust in pyrolysis oven under agitator arm effect, unlikely accumulation, the pyrolysis gas of generation can discharge out of the furnace rapidly;
7) pyrolysis char produced is discharged by the deslagging spiral of bottom discharge mouth.
Pyrolysis tertiary industry distributes:
Pyrolysis char: 58.76% pyrolytic tar: 11.83% pyrolysis gas: 14.29%
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature 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 ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term need not for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a pyrolysis reactor, is characterized in that, comprising:
Heat accumulation type radiant tube, described heat accumulation type radiant tube is arranged along the short transverse multilayer of described pyrolysis reactor, and every layer has the many heat accumulation type radiant tubes arranged in the horizontal direction;
Whipping appts, described whipping appts comprises stir shaft and is connected to the multiple agitator arms on described stir shaft, described agitator arm is perpendicular to described stir shaft, and described stir shaft rotatably extend into the inside of described pyrolysis reactor from the slag-drip opening bottom described pyrolysis reactor;
Catalyst-adding device, described catalyst-adding device comprises:
Catalyst hooper;
Catalyzer is responsible for, and described catalyzer supervisor is connected with described catalyst hooper;
Catalyzer arm, described catalyzer arm is responsible for described catalyzer and is connected, described catalyzer arm through described pyrolysis reactor sidewall and extend to the inside of described pyrolysis reactor;
One or more catalyst ejector part, described catalyst ejector part is arranged on described catalyzer arm, and it is inner to be positioned at described pyrolysis reactor,
Part is sent in carrier gas, and described carrier gas is sent part and is responsible for described catalyzer and is connected,
To bleed umbrella, described in umbrella of bleeding to be arranged on described pyrolysis reactor roof and to be connected with the oil gas vent of described pyrolysis reactor; And
Distributor, described distributor has multiple one-level discharge passageway, and the roof that described distributor is arranged on described pyrolysis reactor is connected by the opening for feed of flange with described pyrolysis reactor.
2. pyrolysis reactor according to claim 1, is characterized in that, axially spaced apart at described stir shaft of described agitator arm,
Optionally, in the same cross section of described stir shaft, the projection interval distribution of multiple described agitator arm, preferably spaced apart equably.
3. pyrolysis reactor according to claim 2, is characterized in that, in the same cross section of described stir shaft, the angle between the projection of two adjacent described agitator arms is 0 ~ 90 degree, preferably 30 ~ 90 degree.
4. pyrolysis reactor according to claim 1, is characterized in that, described catalyzer arm is multiple and the length direction be responsible for along described catalyzer is arranged parallel to each other.
5. pyrolysis reactor according to claim 4, is characterized in that, described catalyst ejector part comprises catalyzer jet pipe and is arranged on the nozzle on described catalyzer jet pipe, and described nozzle is provided with variable valve,
Preferably, described catalyzer jet pipe comprises U-shaped, S type or W type jet pipe, and the tube wall of described catalyzer jet pipe has multiple catalyzer spray orifice,
Optionally, the catalyzer spray orifice on the tube wall of described muonic catalysis agent jet pipe is uniformly distributed and all down.
6. the pyrolysis reactor according to claim 4 or 5, is characterized in that, described catalyzer arm is arranged on the interlayer of described heat accumulation type radiant tube.
7. pyrolysis reactor according to claim 1, is characterized in that, the end that part is connected to described catalyzer supervisor is sent in described carrier gas, and preferred described carrier gas is sent part and removably connected or be soldered to described catalyzer supervisor.
8. pyrolysis reactor according to claim 1, is characterized in that, described one-level discharge passageway is symmetrical relative to the axis of described distributor,
Optionally, each one-level discharge passageway has multiple secondary discharge passageway,
Optionally, each secondary discharge passageway has multiple three grades of discharge passageway, preferably has multiple more senior discharge passageway,
Optionally, optionally have inert gas entrance in the junction of discharge passageway not at the same level, described inert gas entrance is connected with the gas-holder be arranged on outside described pyrolysis reactor.
9. the pyrolysis reactor according to any one of claim 1-8, is characterized in that, along the length of described stir shaft, the angle between two adjacent agitator arms is 0 ~ 90 degree, preferably 30 ~ 90 degree.
10. pyrolysis reactor according to claim 1, is characterized in that, the top of every layer of heat accumulation type radiant tube all has one deck catalyzer jet pipe, and the below of every layer of heat accumulation type radiant tube all has one deck agitator arm.
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