CN204490807U - A kind of Novel coal pyrolysis reactor - Google Patents
A kind of Novel coal pyrolysis reactor Download PDFInfo
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- CN204490807U CN204490807U CN201520116673.3U CN201520116673U CN204490807U CN 204490807 U CN204490807 U CN 204490807U CN 201520116673 U CN201520116673 U CN 201520116673U CN 204490807 U CN204490807 U CN 204490807U
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Abstract
The utility model belongs to pyrolysis of coal technical field.A kind of Novel coal pyrolysis reactor, comprise the first inner core, second inner core, urceolus, thermal medium entrance, thermal medium outlet, reactor inlet, reactor outlet and gas exit, described second inner core is set in the outside of described first inner core, described urceolus is set in the outside of described second inner core, described first inner core forms the first channel of heating medium circulation, the second passage that coal circulates is formed between the inwall of described second inner core and the outer wall of described first inner core, the third channel that coal gas of high temperature circulates is formed between the outer wall of described outer tube inner wall and described second inner core, the barrel of described second inner core and the first inner core has concave-convex curved surface, the outside of described second inner core arranges induced exhaust near described reactor outlet end, the end of described induced exhaust arranges blast cap.The utility model novel structure, effectively increases the heating surface area of coal and thermal medium, coal gas of high temperature, improves the pyrolysis efficiency of coal.
Description
Technical field
The utility model belongs to pyrolysis of coal technical field, is specifically related to a kind of Novel coal pyrolysis reactor.
Background technology
The pyrolysis of coal is heated under an inert atmosphere brown coal and high-volatile bituminous coal, produces the products such as semicoke, coal gas, tar.The pyrolytic process of current coal can be divided into external-heat and internal heat type two class by type of heating, and the thermal source of external-heat pyrolytic process provides by outside pyrolysis oven, and representational technique has metallurgical coke oven, Wood (W-D) charring furnace and Kao Baisi charring furnace; The thermal source of internal heat type pyrolysis is directly passed to coal dust by the heat of high-temperature heat carrier, makes carbonaceous material generation pyrolytic reaction.Internal heat type pyrolytic process, according to the difference of thermal barrier, is divided into gaseous heat-carrier pyrolytic process and solid heat carrier pyrolysis technique.The high-temperature flue gas obtained after fuel combustion is normally directly introduced in pyrolyzer by gaseous heat-carrier pyrolytic process, mixes with carbonaceous material, realizes the heating to raw material, and representational technique has COED technology and the ENCOAL technology of the U.S.; Solid heat carrier pyrolysis technique then utilizes high-temperature solid particle (such as semicoke, Ceramic Balls, quartz sand etc.) in pyrolysis chamber, to mix with coal the pyrolysis realizing coal, and representational technique has U.S. Garrett technology, German Lu Qi-Rule (L-R) technology.
Due to pyrolytic reaction, relate to complicated gas, liquid, solid phase reaction, when high-temperature hot is vented one's spleen and is spilled over to outside stove, can dust be entrained with.Particularly in internal heat type pyrolytic process, gas phase and solid phase disturbance are violent, and the dust content carried secretly in pyrolysis gas can be higher, therefore no matter which kind of pyrolytic process, its high-temperature hot produced is vented one's spleen and all need be carried out gas-particle separation at hot stage, to realize dedusting that high-temperature hot vents one's spleen and purification.
Utility model content
Technical problem to be solved in the utility model is, for the deficiencies in the prior art, provides a kind of thermosteresis little, the Novel coal pyrolysis reactor of coal gas of high temperature recycling.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of Novel coal pyrolysis reactor, comprise the first inner core, second inner core, urceolus, thermal medium entrance, thermal medium outlet, reactor inlet, reactor outlet and gas exit, described second inner core is set in the outside of described first inner core, described urceolus is set in the outside of described second inner core, described first inner core forms the first channel of heating medium circulation, the second passage that coal circulates is formed between the inwall of described second inner core and the outer wall of described first inner core, the third channel that coal gas of high temperature circulates is formed between the outer wall of described outer tube inner wall and described second inner core, the barrel of described second inner core and the first inner core has concave-convex curved surface, the outside of described second inner core arranges induced exhaust near described reactor outlet end, the end of described induced exhaust arranges blast cap, when the coal gas of high temperature that pyrolysis produces flows through blast cap, coal gas air-flow stops by blast cap, the dust carried secretly is limited in described second passage, discharge with semicoke, after blast cap, coal gas air flow line changes, and is discharged from third channel by described gas exit.
Described thermal medium entrance and reactor outlet are arranged on the homonymy of described pyrolysis of coal reactor, and described thermal medium outlet, reactor inlet and gas exit are arranged on the homonymy of described pyrolysis of coal reactor.
Described urceolus is cylindrical, and described first inner core is cylindrical, and described second inner core is cylindrical, and the barrel of described first inner core and the second inner core has concave-convex curved surface.
Described first inner core and the second inner core are corrugated cylinder.
Described first inner core and the second inner core are corrugated perpendicular to the cross section of described pyrolysis of coal reactor axis.
Described first inner core and the second inner core are corrugated along the cross section of described pyrolysis of coal reactor axis.
Described first inner core and the second inner core and described urceolus are all coaxially arranged.
Described urceolus, between the second inner core and the first inner core, be provided with coupling device.
The beneficial effects of the utility model are as follows:
The utility model Novel coal pyrolysis reactor, comprise the first inner core, second inner core, urceolus, thermal medium entrance, thermal medium outlet, reactor inlet, reactor outlet and gas exit, first by making the barrel of described second inner core and the first inner core have concave-convex curved surface, for rough corrugated, the heating surface area of the second inner core and the first inner core is added on the one hand in limited space, thus add coal in second passage respectively with the heating surface area of thermal medium and coal gas of high temperature, the heat of thermal medium and coal gas of high temperature is made fully to transmit coal supply, improve thermo-efficiency, add the working ability of reactor, on the other hand, the barrel of described first inner core and the second inner core is rough corrugated, thus makes coal when second passage inside is mobile, plays agitaion, promote the homogeneity that coal is heated to coal.
Secondly, in the outside of described second inner core, induced exhaust is set near described reactor outlet end, the end of described induced exhaust arranges blast cap, like this, when the coal gas of high temperature that pyrolysis of coal produces, flow to the end of second passage namely when reactor outlet end, under the effect being positioned at the induced exhaust outside the second inner core, change wind direction, flow to third channel, simultaneously, when coal gas of high temperature flows through blast cap, the dust carried secretly, by the stop of blast cap, is limited in described second passage, discharges with semicoke by coal gas of high temperature air-flow; After blast cap, coal gas air flow line changes again, is discharged from third channel by described gas exit.Like this, the coal gas of high temperature that pyrolysis produces on the one hand can be recycled, and heats coal, compare existing pyrolysis of coal reactor, because of thermal medium directly with extraneous contact and decrease thermosteresis significantly, also add the heating surface area of coal, the efficiency of raising pyrolysis of coal simultaneously; On the other hand, the stop of blast cap also makes the dust in coal gas of high temperature obtain preliminary removal, alleviates the burden of subsequent disposal.
The utility model novel structure, had both effectively increased the heating surface area of coal and thermal medium, also made the waste heat of coal gas of high temperature obtain certain utilization, made it effectively heat coal, and then improved the pyrolysis efficiency of coal.
Accompanying drawing explanation
Fig. 1: structural representation of the present utility model;
The A-A sectional view of Fig. 2: the utility model Fig. 1;
Wherein, 1-first inner core, 2-second inner core, 3-urceolus, 4-thermal medium entrance, 5-thermal medium outlet, 6-reactor inlet, 7-reactor outlet, 8-gas exit, 9-first channel, 10-second passage, 11-third channel, 12-induced exhaust, 13-blast cap.
Embodiment
Below by embodiment, the utility model will be further described by reference to the accompanying drawings.
As depicted in figs. 1 and 2, a kind of Novel coal pyrolysis reactor, comprise the first inner core 1, second inner core 2, urceolus 3, thermal medium entrance 4, thermal medium outlet 5, reactor inlet 6, reactor outlet 7 and gas exit 8, described second inner core 2 is set in the outside of described first inner core 1, described urceolus 3 is set in the outside of described second inner core 2, described first inner core 1 forms the first channel 9 of heating medium circulation, the second passage 10 that coal circulates is formed between the inwall of described second inner core 2 and the outer wall of described first inner core 1, the third channel 11 that coal gas of high temperature circulates is formed between the inwall of described urceolus 3 and the outer wall of described second inner core 2, the barrel of described second inner core 2 and the first inner core 1 has concave-convex curved surface, the outside of described second inner core 2 arranges induced exhaust 12 near described reactor outlet 7 end, the end of described induced exhaust 12 arranges blast cap 13, when the coal gas of high temperature that pyrolysis produces flows through blast cap 13, coal gas air-flow stops by blast cap, the dust carried secretly is limited in described second passage 10, discharge with semicoke, after blast cap 13, coal gas air flow line changes, and is flowed out from third channel 11 by described gas exit 8.
And described thermal medium entrance 4 and reactor outlet 7 are arranged on the homonymy of described pyrolysis of coal reactor, described thermal medium outlet 5, reactor inlet 6 and gas exit 8 are arranged on the homonymy of described pyrolysis of coal reactor.
On the basis of above-mentioned embodiment, described urceolus 3 is cylindrical, and described first inner core 1 is cylindrical, and described second inner core 2 is cylindrical, and the barrel of described first inner core 1 and the second inner core 2 has concave-convex curved surface.
On the basis of above-mentioned embodiment, described first inner core 1 and the second inner core 2 are corrugated cylinder.
On the basis of above-mentioned embodiment, described first inner core 1 and the second inner core 2 are corrugated perpendicular to the cross section of described pyrolysis of coal reactor axis.Concrete, described first inner core 1 and the second inner core 2 can be sinusoidal ripple, rectangle ripple, U-shaped ripple or zig-zag ripple perpendicular to the evolute in the cross section of described pyrolysis of coal reactor axis.
On the basis of above-mentioned embodiment, described first inner core 1 and the second inner core 2 are corrugated along the cross section of described pyrolysis of coal reactor axis.Concrete, described first inner core 1 and the second inner core 2 can be sinusoidal ripple, rectangle ripple, U-shaped ripple or zig-zag ripple along the evolute in the cross section of described pyrolysis of coal reactor axis.
On the basis of above-mentioned embodiment, described first inner core 1 and the second inner core 2 are all coaxially arranged with described urceolus 3.
On the basis of above-mentioned embodiment, between described urceolus 3, second inner core 2 and the first inner core 1, be provided with coupling device.
The principle of work of composition graphs 1 pair of the utility model pyrolysis of coal reactor is described as follows, coal is loaded in second passage 10 from pyrolysis reactor entrance 6, and pass into the coal of heat-transfer medium to second passage 10 inside from thermal medium entrance 4 and heat, realize the pyrolysis of coal, the low-temperature heat medium completing heat trnasfer is discharged from thermal medium outlet 5; Along with the carrying out of pyrolytic reaction, produce coal gas of high temperature, in the process that coal moves forward, part coal gas of high temperature still stays second passage 10, and a part of coal gas of high temperature, with coal flow forward, is flowing to induced exhaust 12 place, under the effect of induced exhaust 12, change and flow to, flow to third channel 11, simultaneously, coal gas of high temperature flows through blast cap 13, by the stop of blast cap 13, the dust carried secretly is limited in described second passage 10, discharges with semicoke; After blast cap 13, coal gas air flow line changes again, and enter third channel 11 inner, heat the coal of second passage 10 inside, realize the pyrolysis of coal, the coal gas of high temperature completing heat trnasfer is discharged from gas exit 8.Urceolus 3, second inner core 2 and the first inner core 1 synchronous rotary drive coal to move forward in second passage 10 simultaneously, and the coal after pyrolysis processing and the tar of formation export 7 by pyrolysis reactor and discharges.
Specific embodiment described herein is only to design of the present utility model explanation for example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (8)
1. a Novel coal pyrolysis reactor, it is characterized in that: comprise the first inner core, second inner core, urceolus, thermal medium entrance, thermal medium outlet, reactor inlet, reactor outlet and gas exit, described second inner core is set in the outside of described first inner core, described urceolus is set in the outside of described second inner core, described first inner core forms the first channel of heating medium circulation, the second passage that coal circulates is formed between the inwall of described second inner core and the outer wall of described first inner core, the third channel that coal gas of high temperature circulates is formed between the outer wall of described outer tube inner wall and described second inner core, the barrel of described second inner core and the first inner core has concave-convex curved surface, the outside of described second inner core arranges induced exhaust near described reactor outlet end, the end of described induced exhaust arranges blast cap, when the coal gas of high temperature that pyrolysis produces flows through blast cap, coal gas air-flow stops by blast cap, the dust carried secretly is limited in described second passage, discharge with semicoke, after blast cap, coal gas air flow line changes, and is discharged from third channel by described gas exit.
2. Novel coal pyrolysis reactor as claimed in claim 1, it is characterized in that: described thermal medium entrance and reactor outlet are arranged on the homonymy of described pyrolysis of coal reactor, described thermal medium outlet, reactor inlet and gas exit are arranged on the homonymy of described pyrolysis of coal reactor.
3. Novel coal pyrolysis reactor as claimed in claim 1 or 2, it is characterized in that: described urceolus is cylindrical, described first inner core is cylindrical, and described second inner core is cylindrical, and the barrel of described first inner core and the second inner core has concave-convex curved surface.
4. Novel coal pyrolysis reactor as claimed in claim 3, is characterized in that: described first inner core and the second inner core are corrugated cylinder.
5. Novel coal pyrolysis reactor as claimed in claim 4, is characterized in that: described first inner core and the second inner core are corrugated perpendicular to the cross section of described pyrolysis of coal reactor axis.
6. Novel coal pyrolysis reactor as claimed in claim 4, is characterized in that: described first inner core and the second inner core are corrugated along the cross section of described pyrolysis of coal reactor axis.
7. Novel coal pyrolysis reactor as claimed in claim 3, is characterized in that: described first inner core and the second inner core and described urceolus are all coaxially arranged.
8. Novel coal pyrolysis reactor as claimed in claim 3, is characterized in that: described urceolus, be provided with coupling device between the second inner core and the first inner core.
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| CN201520116673.3U CN204490807U (en) | 2015-02-26 | 2015-02-26 | A kind of Novel coal pyrolysis reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135436A (en) * | 2015-10-16 | 2015-12-09 | 牛飞飞 | Ecological smokeless environment-friendly garbage treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135436A (en) * | 2015-10-16 | 2015-12-09 | 牛飞飞 | Ecological smokeless environment-friendly garbage treatment system |
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