CN204918480U - Cold wall rotary reactor of pyrolysis of coal - Google Patents
Cold wall rotary reactor of pyrolysis of coal Download PDFInfo
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- CN204918480U CN204918480U CN201520578586.XU CN201520578586U CN204918480U CN 204918480 U CN204918480 U CN 204918480U CN 201520578586 U CN201520578586 U CN 201520578586U CN 204918480 U CN204918480 U CN 204918480U
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Abstract
The utility model relates to a cold wall rotary reactor of pyrolysis of coal, locate including inner tube and cover pressing from both sides of the inner tube outside is overlapped, the inner tube with it forms the flue gas passageway to press from both sides between the cover, the inside of inner tube sets up the heating pipe, the flue gas passageway with the inside heating flue gas that all is full of of heating pipe, greatly increased heat transfer area, the utility model discloses still be in the inner tube with press from both sides set up connecting device between the cover so that press from both sides the cover with the inner tube carries out the synchronous revolution together, still will transmission and strutting arrangement install press from both sides on the outer wall of cover to can effectively avoid among the prior art leading to the heat to pass through transmission and outside transmission of strutting arrangement and lost problem because transmission and strutting arrangement install on the barrel, cold wall rotary reactor of pyrolysis of coal, can realize carrying out inside and outside concurrent heating to material in the inner tube, heat transfer area has increased 70 -140%, the heat loss reduces to 20 -30% simultaneously.
Description
Technical field
The utility model relates to the cold wall rotary reactor of a kind of pyrolysis of coal, belongs to the technical field of pyrolysis of coal device.
Background technology
The pyrolysis of coal, also claims coal carbonization or thermolysis.The pyrolysis of coal is as a kind of independent working method, and be heated under the condition of isolated air by coal, the complex process of a series of physical change and chemical reaction occurs coal at different temperatures, and its product is coal gas, tar, clumsy and coke or semicoke mainly.By the difference of its heating final temperature, can be divided into: low temperature (500-700 DEG C), middle temperature (700-1000 DEG C) and high temperature (1000-1200 DEG C) pyrolysis.
Compare with gasification with liquidation of coal, its processing conditions is gentle, and less investment, production cost is low.The coal being suitable for low temperature pyrogenation is generally low-rank coal, comprises the non caking coal of brown coal, long-flame coal and high-volatile.The low-rank coal reserves of China are comparatively large, and account for more than 42% of whole coal, therefore, low temperature pyrogenation technology effectively can utilize the resource of China, and can reduce the environmental pollution that fire coal causes.
In the pyrolytic reaction process of coal, rate of heating and heat supply condition on production productive rate and composition have a great impact.Existing rotary reactor is provided with inner core, be positioned at chuck, transmission mechanism and bracing or strutting arrangement outside this inner core.In working order, cylindrical shell rotates, and chuck is fixed, and in carrying high temperature heating agent to inner core in this chuck, the reaction of material or drying process provide heat.But transmission mechanism and bracing or strutting arrangement are all arranged on cylindrical shell, heat outwards will be transmitted by transmission mechanism and bracing or strutting arrangement, scatter and disappear, on the one hand, cause inner core to heat discontinuous, calorific loss is comparatively large, affects production capacity and the efficiency of pyrolysis of coal reaction in rotary reactor; On the other hand, make outside wall temperature too high, affect the work-ing life of transmission mechanism and bracing or strutting arrangement and operation steady in a long-term.
Utility model content
Problem to be solved in the utility model is to provide the pyrolysis of coal that a kind of heat transfer area is large, thermosteresis is little cold wall rotary reactor.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The cold wall rotary reactor of a kind of pyrolysis of coal, it comprises:
Inner core, the inwall even circumferential along described inner core arranges some heating tubes, and the central shaft of described heating tube and described inner core is to be arrangeding in parallel, and the two ends of described heating tube are fixed on described inner core and the two ends of described heating tube are respectively equipped with inlet mouth and air outlet; The front end of described inner core is provided with opening for feed, and the rear end of described inner core is provided with discharge port;
Chuck, described chuck is sheathed on the outside of described inner core, to form exhaust gases passes between described inner core and described chuck; Between described chuck and described inner core, coupling device is set, carries out synchronous rotary to make described chuck together with described inner core; On described chuck, the first gas approach, the first exhanst gas outlet, the second gas approach, the second exhanst gas outlet is provided with successively along operational path direction;
Transmission mechanism and bracing or strutting arrangement, described transmission mechanism and bracing or strutting arrangement are all arranged on the outer wall of described chuck.
In the outside of described chuck, also spiral case is set, described spiral case comprises the first inlet volute, the first outlet volute, the second inlet volute and the second outlet volute, described first inlet volute and the first outlet volute are communicated with the first exhanst gas outlet with the first gas approach of described chuck respectively and arrange, and described second inlet volute and the second outlet volute are communicated with the second exhanst gas outlet with the second gas approach of described chuck respectively and arrange;
Described first inlet volute, the first outlet volute, the second inlet volute and being between the second outlet volute and described chuck is tightly connected.
Described heating tube is 0.01 ~ 0.08 with the ratio of the internal diameter of described inner core.
Set gradually as first paragraph heating tube, second segment heating tube and the 3rd section of heating tube along heating tube described in operational path direction;
The front end of described first paragraph heating tube is communicated with described first gas approach, and the rear end of described first paragraph heating tube is communicated with described first exhanst gas outlet; The front end of described second segment heating tube is communicated with described first exhanst gas outlet, and the rear end of described second segment heating tube is communicated with described second gas approach; The front end of described 3rd section of heating tube is communicated with described second gas approach, and the rear end of described 3rd section of heating tube is communicated with described second exhanst gas outlet.
Along the inwall of described inner core to central axis direction, described heating tube is set to the first circumference heating tube and the second circumference heating tube successively.
Described first circumference heating tube and described second circumference heating tube are for being crisscross arranged.
Described first circumference heating tube is 1.2 ~ 2 with the ratio of the internal diameter of described second circumference heating tube.
Between described inner core and described chuck, stop means is set.
Between described spiral case and described chuck, volume adjusting apparatus is set.
At the inwall of described chuck, thermal insulating warm-keeping layer is set.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) the cold wall rotary reactor of pyrolysis of coal described in the utility model, comprise inner core and be sheathed on the chuck outside described inner core, exhaust gases passes is formed between described inner core and described chuck, the inside of described inner core arranges heating tube, described exhaust gases passes and described heating tube inside are all full of and add heat smoke, thus realize heating or drying the material in inner core in the outside of inner core and inner side, considerably increase heat transfer area, simultaneously the utility model also arranges coupling device and carries out synchronous rotary to make described chuck together with described inner core between described inner core and described chuck, further, also described transmission mechanism and bracing or strutting arrangement are all arranged on the outer wall of described chuck, thus can effectively avoid in prior art because transmission mechanism and bracing or strutting arrangement are all arranged on the problem that cylindrical shell causes heat outwards to be transmitted by transmission mechanism and bracing or strutting arrangement and scattered and disappeared, the cold wall rotary reactor of pyrolysis of coal described in the utility model, heat inside and outside can realizing carrying out material in inner core simultaneously, than traditional rotary reactor, heat transfer area adds 70-140%, effectively reduce heat loss simultaneously, guarantee the continuity that inner core heats, the continuous and effective being conducive to substance reaction in inner core is carried out, data show, than traditional reactor, thermosteresis is reduced to 20-30%.In addition, rotary reactor described in the utility model, its outside wall temperature can be controlled in limited range, is conducive to the long period safe operation of device, has good safety performance and economic benefit.
(2) the cold wall rotary reactor of pyrolysis of coal described in the utility model, by the outside at described chuck, the first inlet volute, the first outlet volute, the second inlet volute and the second outlet volute are also set, described first inlet volute and the first outlet volute are communicated with the first exhanst gas outlet with the first gas approach of described chuck respectively and arrange, and described second inlet volute and the second outlet volute are communicated with the second exhanst gas outlet with the second gas approach of described chuck respectively and arrange; Further, described first inlet volute, the first outlet volute, the second inlet volute and all adopt flexible sealing between the second outlet volute and described chuck, thus make reactor monolith have good stopping property.
(3) the cold wall rotary reactor of pyrolysis of coal described in the utility model, by setting gradually as first paragraph heating tube, second segment heating tube and the 3rd section of heating tube along heating tube described in operational path direction, thus can realize utilizing heat smoke to provide heat to the material in inner core stage by stage, targetedly, be conducive to improving pyrolysis of coal efficiency and product ature of coal amount.
(4) the cold wall rotary reactor of pyrolysis of coal described in the utility model, along the inwall of described inner core to central axis direction, described heating tube is set to the first circumference heating tube and the second circumference heating tube successively, described first circumference heating tube and described second circumference heating tube for being crisscross arranged, thus can effectively improve the homogeneity that in heating tube, heat smoke heats material in inner core.
(5) the cold wall rotary reactor of pyrolysis of coal described in the utility model, by arranging stop means between described inner core and described chuck, effectively controls the radial extent of inner core.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the structural representation of the cold wall rotary reactor of pyrolysis of coal described in the utility model;
Fig. 2 is the schematic diagram along A-A in Fig. 1;
Fig. 3 is the schematic diagram along B-B in Fig. 1.
In figure, Reference numeral is expressed as: 1-first paragraph heating tube, 2-inner core, 3-first inlet volute, 4-sealing member, 5-chuck, 51-first exhanst gas outlet, 6-stop means, 7-thermal insulating warm-keeping layer, 8-coupling device, 9-first outlet volute, 10-volume adjusting apparatus, 11-second inlet volute, 12-second outlet volute, 13-transmitting gear, 14-rolling ring, 15-second segment heating tube, 151-first circumference heating tube, 152-second circumference heating tube, 16-the 3rd section of heating tube.
Embodiment
Embodiment 1
The cold wall rotary reactor of pyrolysis of coal described in the present embodiment, its structure comprises inner core 2, chuck 5, transmission mechanism and bracing or strutting arrangement.
The front end of described inner core 2 is provided with opening for feed, and the rear end of described inner core 2 is provided with discharge port.In the present embodiment, inwall even circumferential along described inner core 2 arranges some heating tubes, the central shaft of described heating tube and described inner core 2 is to be arrangeding in parallel, and the two ends of described heating tube are fixed on described inner core 2 and the two ends of described heating tube are respectively equipped with inlet mouth and air outlet; As the embodiment that can select, heating tube described in the present embodiment is 0.01 with the ratio of the internal diameter of described inner core 2.
Described chuck 5 is sheathed on the outside of described inner core 2, to form exhaust gases passes between described inner core 2 and described chuck 5; Between described chuck 5 and described inner core 2, coupling device 8 is set, carries out synchronous rotary to make described chuck 5 together with described inner core 2; On described chuck 5, the first gas approach, the first exhanst gas outlet 51, second gas approach, the second exhanst gas outlet is provided with successively along operational path direction.
Described transmission mechanism and described bracing or strutting arrangement are all arranged on the outer wall of described chuck 5.
Embodiment 2
The cold wall rotary reactor of pyrolysis of coal described in the present embodiment, its structure as shown in Figure 1, comprises inner core 2, chuck 5, transmission mechanism and bracing or strutting arrangement (not shown).
The front end of described inner core 2 is provided with opening for feed, and the rear end of described inner core 2 is provided with discharge port.Inwall even circumferential along described inner core 2 arranges some heating tubes.As preferred embodiment, as shown in Figure 1, the present embodiment sets gradually as first paragraph heating tube 1, second segment heating tube 15 and the 3rd section of heating tube 16 along heating tube described in operational path direction, described first paragraph heating tube 1, second segment heating tube 15 and the 3rd section of heating tube 16 all with the central shaft of described inner core 2 to be arrangeding in parallel, the two ends of described first paragraph heating tube 1, second segment heating tube 15 and the 3rd section of heating tube 16 are fixed on described inner core 2 respectively.The front end of described first paragraph heating tube 1 is communicated with described first gas approach, and the rear end of described first paragraph heating tube 1 is communicated with described first exhanst gas outlet 51; The front end of described second segment heating tube 15 is communicated with described first exhanst gas outlet 51, and the rear end of described second segment heating tube 15 is communicated with described second gas approach; The front end of described 3rd section of heating tube 16 is communicated with described second gas approach, and the rear end of described 3rd section of heating tube 16 is communicated with described second exhanst gas outlet.
As the embodiment that can select, the heating tube of first paragraph described in the present embodiment 1, second segment heating tube 15 are identical with the internal diameter of the 3rd section of heating tube 16 three, and described first paragraph heating tube 1, second segment heating tube 15 and the 3rd section of heating tube 16 are 0.08 with the ratio of the internal diameter of described inner core 2.
Be further used as preferred embodiment, along the inwall of described inner core 2 to central axis direction, described first paragraph heating tube 1, second segment heating tube 15 and the 3rd section of heating tube 16 are divided into two circles and arrange.As shown in Figure 3, along the inwall of described inner core 2 to central axis direction, described second segment heating tube 15 is set to the first circumference heating tube 151 and the second circumference heating tube 152 successively, described first circumference heating tube 151 with described second circumference heating tube 152 for being crisscross arranged.Described first circumference heating tube 151 is 1.2 ~ 2 with the ratio of the internal diameter of described second circumference heating tube 152.
Described chuck 5 is sheathed on the outside of described inner core 2, to form exhaust gases passes between described inner core 2 and described chuck 5.In the present embodiment, coupling device 8 (as shown in Figure 2) is set between described chuck 5 and described inner core 2, carries out synchronous rotary to make described chuck 5 together with described inner core 2; Stop means 6 is set between described inner core 2 and described chuck 5, effectively to control the radial extent of inner core 2; Thermal insulating warm-keeping layer 7 is also set at the inwall of described chuck 5, effectively reduces calorific loss, improve the utilization ratio of heat.
On described chuck 5, the first gas approach, the first exhanst gas outlet 51, second gas approach, the second exhanst gas outlet is provided with successively along operational path direction.As the embodiment that can select, described first gas approach, the first exhanst gas outlet 51, second gas approach, the second exhanst gas outlet are all set to multiple, and described multiple first gas approach, multiple first exhanst gas outlet 51, multiple second gas approach or multiple second exhanst gas outlet are uniformly distributed along the circumferential direction of described chuck 5 respectively.As shown in Figure 3, in the present embodiment, described first exhanst gas outlet 51 is provided with six, and described six the first exhanst gas outlets 51 are uniformly distributed along the circumferential direction of described chuck 5.
As shown in Figure 1, in the outside of described chuck 5, also spiral case is set, volume adjusting apparatus 10 is set between described spiral case and described chuck 5.Spiral case described in the present embodiment comprises the first inlet volute 3, first outlet volute 9 (see Fig. 3), the second inlet volute 11 and the second outlet volute 12, described first inlet volute 3 and the first outlet volute 9 are communicated with the first exhanst gas outlet 51 with the first gas approach of described chuck 5 respectively and arrange, and described second inlet volute 11 and the second outlet volute 12 are communicated with the second exhanst gas outlet with the second gas approach of described chuck 5 respectively and arrange; And, described first inlet volute 3, first outlet volute 9, second inlet volute 11 and being between the second outlet volute 12 and described chuck 5 is tightly connected, preferably, described in be sealed into flexible sealing, thus be conducive to the stopping property improving rotary reactor entirety.As shown in Figure 1, in the present embodiment, between described first inlet volute 3 and described chuck 5, sealing member 4 is set.
Described transmission mechanism comprises transmitting gear 13 and rolling ring 14, is installed on the outer wall of described chuck 5.Described bracing or strutting arrangement is support roller (not shown), and described support roller is also arranged on the outer wall of described chuck 5.
The cold wall rotary reactor of pyrolysis of coal described in the utility model, comprise inner core and be sheathed on the chuck outside described inner core, exhaust gases passes is formed between described inner core and described chuck, the inside of described inner core arranges heating tube, described exhaust gases passes and described heating tube inside are all full of and add heat smoke, thus realize heating or drying the material in inner core in the outside of inner core and inner side, considerably increase heat transfer area, simultaneously the utility model also arranges coupling device and carries out synchronous rotary to make described chuck together with described inner core between described inner core and described chuck, further, also described transmission mechanism and bracing or strutting arrangement are all arranged on the outer wall of described chuck, thus can effectively avoid in prior art because transmission mechanism and bracing or strutting arrangement are all arranged on the problem that cylindrical shell causes heat outwards to be transmitted by transmission mechanism and bracing or strutting arrangement and scattered and disappeared, the cold wall rotary reactor of pyrolysis of coal described in the utility model, heat inside and outside can realizing carrying out material in inner core simultaneously, than traditional rotary reactor, heat transfer area adds 70-140%, effectively reduce heat loss simultaneously, guarantee the continuity that inner core heats, the continuous and effective being conducive to substance reaction in inner core is carried out, data show, than traditional reactor, thermosteresis is reduced to 20-30%.In addition, rotary reactor described in the utility model, its outside wall temperature can be controlled in limited range, is conducive to the long period safe operation of device, has good safety performance and economic benefit.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among protection domain of the present utility model.
Claims (10)
1. the cold wall rotary reactor of pyrolysis of coal, is characterized in that, comprising:
Inner core, the inwall even circumferential along described inner core arranges some heating tubes, and the central shaft of described heating tube and described inner core is to be arrangeding in parallel, and the two ends of described heating tube are fixed on described inner core and the two ends of described heating tube are respectively equipped with inlet mouth and air outlet; The front end of described inner core is provided with opening for feed, and the rear end of described inner core is provided with discharge port;
Chuck, described chuck is sheathed on the outside of described inner core, to form exhaust gases passes between described inner core and described chuck; Between described chuck and described inner core, coupling device is set, carries out synchronous rotary to make described chuck together with described inner core; On described chuck, the first gas approach, the first exhanst gas outlet, the second gas approach, the second exhanst gas outlet is provided with successively along operational path direction;
Transmission mechanism and bracing or strutting arrangement, described transmission mechanism and bracing or strutting arrangement are all arranged on the outer wall of described chuck.
2. the cold wall rotary reactor of pyrolysis of coal according to claim 1, it is characterized in that, in the outside of described chuck, also spiral case is set, described spiral case comprises the first inlet volute, the first outlet volute, the second inlet volute and the second outlet volute, described first inlet volute and the first outlet volute are communicated with the first exhanst gas outlet with the first gas approach of described chuck respectively and arrange, and described second inlet volute and the second outlet volute are communicated with the second exhanst gas outlet with the second gas approach of described chuck respectively and arrange;
Described first inlet volute, the first outlet volute, the second inlet volute and being between the second outlet volute and described chuck is tightly connected.
3. the cold wall rotary reactor of pyrolysis of coal according to claim 1 and 2, is characterized in that, described heating tube is 0.01 ~ 0.08 with the ratio of the internal diameter of described inner core.
4. the cold wall rotary reactor of pyrolysis of coal according to claim 3, is characterized in that, sets gradually as first paragraph heating tube, second segment heating tube and the 3rd section of heating tube along heating tube described in operational path direction;
The front end of described first paragraph heating tube is communicated with described first gas approach, and the rear end of described first paragraph heating tube is communicated with described first exhanst gas outlet; The front end of described second segment heating tube is communicated with described first exhanst gas outlet, and the rear end of described second segment heating tube is communicated with described second gas approach; The front end of described 3rd section of heating tube is communicated with described second gas approach, and the rear end of described 3rd section of heating tube is communicated with described second exhanst gas outlet.
5. the cold wall rotary reactor of pyrolysis of coal according to claim 4, is characterized in that, along described inner core central shaft to, along the inwall of described inner core to central axis direction, described heating tube is set to the first circumference heating tube and the second circumference heating tube successively.
6. the cold wall rotary reactor of pyrolysis of coal according to claim 5, is characterized in that, described first circumference heating tube and described second circumference heating tube are for being crisscross arranged.
7. the cold wall rotary reactor of pyrolysis of coal according to claim 6, is characterized in that, described first circumference heating tube is 1.2 ~ 2 with the ratio of the internal diameter of described second circumference heating tube.
8. the cold wall rotary reactor of pyrolysis of coal according to claim 1 or 2 or 4 or 5 or 6 or 7, is characterized in that, between described inner core and described chuck, arrange stop means.
9. the cold wall rotary reactor of pyrolysis of coal according to claim 2, is characterized in that, arrange volume adjusting apparatus between described spiral case and described chuck.
10. the cold wall rotary reactor of pyrolysis of coal according to claim 1 or 2 or 4 or 5 or 6 or 7 or 9, is characterized in that, arrange thermal insulating warm-keeping layer at the inwall of described chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578586.XU CN204918480U (en) | 2015-08-04 | 2015-08-04 | Cold wall rotary reactor of pyrolysis of coal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520578586.XU CN204918480U (en) | 2015-08-04 | 2015-08-04 | Cold wall rotary reactor of pyrolysis of coal |
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| Publication Number | Publication Date |
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| CN204918480U true CN204918480U (en) | 2015-12-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105505421A (en) * | 2016-01-14 | 2016-04-20 | 王崇峰 | Medium and low coal temperature separate dry distillation system and method |
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2015
- 2015-08-04 CN CN201520578586.XU patent/CN204918480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105505421A (en) * | 2016-01-14 | 2016-04-20 | 王崇峰 | Medium and low coal temperature separate dry distillation system and method |
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