CN207163136U - A kind of rotary reactor of dry fine coal - Google Patents
A kind of rotary reactor of dry fine coal Download PDFInfo
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- CN207163136U CN207163136U CN201721074543.3U CN201721074543U CN207163136U CN 207163136 U CN207163136 U CN 207163136U CN 201721074543 U CN201721074543 U CN 201721074543U CN 207163136 U CN207163136 U CN 207163136U
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- rotating cylinder
- fine coal
- rotary reactor
- dry fine
- coal according
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Abstract
The utility model provides a kind of rotary reactor of dry fine coal, the feed system of the rotary reactor includes seal silo and the feeding spiral conveyer being connected with seal silo, feeding spiral conveyer is connected with the charging aperture sealing of rotating cylinder, also include the discharging spiral conveyor being tightly connected with the outlet material of rotating cylinder, and it is additionally provided with inert gas input pipe in the feed end of rotating cylinder, fixed gas blast pipe is additionally provided with the discharge end of rotating cylinder, so on the one hand by using Weighing type seal silo and conveying worm, air can be avoided to enter inside rotating cylinder, and then avoid the material that material is unfavorable for product with oxygen generation oxidation reaction production, effectively control the oxygen content in rotary furnace；On the other hand by being passed through the inert gas of heating in the feed end of rotating cylinder, dry materials so can both be accelerated, the same chemical reaction that can avoid material again, effective pure property for maintaining material.
Description
Technical field
A kind of rotary reactor of dry fine coal is the utility model is related to, belongs to chemical industry equipment and Design of Chemical Machinery and system
Make field.
Background technology
Fine coal is also known as foam coal or low-order coal, is the caused necessary byproduct in progress of coal mining, especially modern comprehensive
The use for closing coal excavation apparatus more increases the yield of fine coal, and exploitation of the China to fine coal resource at present is increasingly paid attention to, fine coal heat
Solution or during as fuel, need to often apply flue gas, hot blast or steam with certain temperature it be dried processing, traditional powder
Coal drying and preheating technique mainly has two methods：(1) direct heat transfer, i.e. thermal medium and fine coal directly contact, real by heat transfer
Now exchange heat, reach the purpose of fine coal drying and dehydrating or heating, during this drying and preheating, because thermal medium and fine coal directly connect
Touch, such one side thermal medium is easily and fine coal participates in reaction, and generation is unfavorable for the material of product, another aspect heat medium temperature
Easily cause powder burning of coal when higher, security is poor；(2) indirect heat exchange, i.e. thermal medium pass through pipeline or barrel and fine coal
Indirect heat exchange, equally reach the purpose of drying and dehydrating or heating, although realizing thermal medium and fine coal in this heat transfer process
Mediate contact, fine coal and the respective pure property of thermal medium are maintained, is advantageous to later processing operation and environmental protection.
For example, the U of Chinese patent literature CN 205024160 disclose a kind of pyrolysis of coal hot wall rotary reactor, the revolution
At least two fixation chucks that reactor includes rotary barrel and is sheathed on the outside of the rotary barrel, described at least two fix
Chuck is provided with gap to be separately independently arranged between the adjacent fixed chuck, each the both ends of the fixed chuck with it is described
It is to be tightly connected between rotary barrel, exhaust gases passes is formed respectively between the rotary barrel and each fixed chuck,
The inside of the rotary barrel sets heating tube；The transmission device and support meanss are both secured to the outer wall of the rotary barrel
On, and the transmission device and/or support meanss, between two adjacent fixed chucks, above-mentioned pyrolysis of coal hot wall returns
Turn reactor, can realize and material in rotary barrel be carried out inside and outside while heated, while transmission device and branch can also be avoided
The temperature of support arrangement is too high, reduces heat and scatters and disappears, is advantageous to the long period safe operation of device, if above-mentioned rotary furnace is used to do
Dry fine coal, due to above-mentioned technology not feed inlet and outlet set sealing device, can cause a small amount of oxygen enter rotary furnace inside with
Oxidation reaction occurs for material, and production is unfavorable for the material of product, therefore, researches and develops the new revolution reaction for being applied to dry fine coal
Utensil is significant.
Utility model content
Technical problem to be solved in the utility model be to overcome sealing present in existing revolution furnace apparatus compared with
The defects of poor, and then a kind of good airproof performance and the rotary reactor suitable for drying fine coal are provided.
The utility model realizes that the technical scheme of above-mentioned purpose is：
A kind of rotary reactor of dry fine coal, including：
Rotating cylinder, its one end set charging aperture, the other end to set discharging opening, are set in the feed end of the rotating cylinder
There is inert gas input pipe, the discharge end of the rotating cylinder is provided with fixed gas blast pipe；
Feed system, it includes seal silo and the feeding spiral conveyer being connected with the seal silo, the charging
The charging aperture of conveying worm and the rotating cylinder is tightly connected；
Discharging spiral conveyor, it is tightly connected the outlet material of the rotating cylinder；
At least two independent fixation chucks, each fixed chuck are sheathed on outside and the guarantor of the rotating cylinder
Hold it is fixed, and the both ends of the fixed chuck respectively with the rotating cylinder be tightly connected, in each fixed chuck
On be provided with hot wind inlet and hot-blast outlet with cause between the fixed chuck and the rotating cylinder formed heat supply it is distinguished and admirable
Logical passage；
Support member and transmission parts, the support member and the transmission parts may be contained within the outer of the rotating cylinder
On wall, the gap location or position of the support member and/or the transmission parts between the two neighboring fixed chuck
In the outside at the fixed chuck both ends.
The geometrical clamp set is provided with two, and the transmission parts are arranged at the gap between two fixed chucks
Place, the support member is positioned at the outside of two fixed chucks.
Thermal insulating warm-keeping layer is provided with the inwall of the fixed chuck.
Be additionally provided with some heating muffs on the inwall of the rotating cylinder, the both ends open of the heating muff and its
Middle one end connects the hot wind inlet, the other end is connected with the hot-blast outlet.
The heating muff and the rotating cylinder be arranged in an axially parallel mode and along the rotating cylinder inwall circumferentially
Arrangement.
The heating muff no less than 2 circle is radially provided with the rotating cylinder.
The both ends of the heating muff are tightly connected through the rotating cylinder and with the rotating cylinder.
Gap is provided between the inwall of the heating muff and the rotating cylinder.
The ratio between internal diameter of the heating muff and the rotating cylinder is 0.01~0.08.
Some fins, the incline direction of the fin and the rotating cylinder are provided with the outer wall of the heating muff
Interior material movement direction is consistent.
Above-mentioned technical proposal of the present utility model has the following advantages that：
(1) rotary reactor of dry fine coal described in the utility model, the feed system of the rotary reactor is including close
Envelope feed bin and the feeding spiral conveyer being connected with seal silo, the charging aperture of feeding spiral conveyer and rotating cylinder seal phase
Even, in addition to the outlet of rotating cylinder expect the discharging spiral conveyor being tightly connected, and also set in the feed end of rotating cylinder
Be equipped with inert gas input pipe, fixed gas blast pipe be additionally provided with the discharge end of rotating cylinder, so on the one hand by using
Weighing type seal silo and conveying worm, air can be avoided to enter inside rotating cylinder, and then avoid material and sent out with oxygen
Raw oxidation reaction production is unfavorable for the material of product, effectively controls the oxygen content in rotary furnace；On the other hand by turning round
The feed end of cylinder is passed through the inert gas of heating, so can both accelerate dry materials, the same chemistry that can avoid material again
Reaction, effective pure property for maintaining material.
The rotary reactor also includes at least two independent fixation chucks, and each fixed chuck is sheathed on rotating cylinder
Outside and remain stationary, and the both ends of fixed chuck are tightly connected with rotating cylinder respectively, on each geometrical clamp set
Hot wind inlet and hot-blast outlet are provided with to cause geometrical clamp to cover the passage formation heat supply wind circulation between rotating cylinder, this
Sample one side hot blast is realized by the passage between chuck and rotating cylinder and the contact drying of fine coal is handled, and maintains fine coal
With the respective pure property of hot blast, be advantageous to later processing operation and environmental protection, and security is higher；On the other hand, it is each only
Vertical fixation chuck forms independent heater with rotating cylinder, and the heater has bypassed support member and driving section
Part, the hot blast between chuck and rotating cylinder thus can be avoided to influence the metal machine of support member and transmission parts by heat transfer
Tool performance, and then improve the service life of rotary furnace.
(2) rotary reactor of dry fine coal described in the utility model, by setting adiabatic protect on the inwall of chuck
Warm layer, so as to advantageously reduce system energy consumption, avoid energy waste.
(3) rotary reactor of dry fine coal described in the utility model, added by being set on the inwall of rotating cylinder
Thermal sleeve, and inwall of the heating muff along rotating cylinder is circumferentially arranged, the both ends open of the heating muff and wherein one end connect
Lead to the hot wind inlet, the other end with the hot-blast outlet to be connected so that hot blast can simultaneously by chuck and rotating cylinder it
Between passage and heating muff realize the contact drying of fine coal handled that this undoubtedly increases the contact area of fine coal and hot blast,
So that the heat exchange area of rotary reactor of the present utility model adds 70%-130% than traditional rotary furnace chuck, and then significantly
Improve heat exchange efficiency.
(4) rotary reactor of dry fine coal described in the utility model, by heating muff and revolution furnace tube
Gap, being radially provided with no less than the heating muff of 2 circle and/or in the outer of heating muff in rotating cylinder are set between inwall
Fin is set on wall, to increase the touch opportunity of high temperature anthracite and heating muff, improves heat exchange efficiency.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the specific embodiment of the invention, embodiment will be retouched below
The required accompanying drawing used is briefly described in stating, it should be apparent that, drawings in the following description are some realities of the present invention
Mode is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is the structure chart of the rotary reactor of the drying fine coal described in embodiment 1；
Fig. 2 is Fig. 1 sectional view；
Wherein, reference is as follows：
1- rolling rings；2- seals；3- rotating cylinders；4- hot wind inlets；5- hot-blast outlets；6- fixes chuck；7- gear hobbings；8-
Heating muff；9- support rollers；10- feeding spiral conveyers；11- discharging spiral conveyors；12- inert gas input pipes；13- is sealed
Feed bin；14- fixed gas blast pipes.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation, the orientation of the instruction such as term " interior ", " outer ", " on ", " under " in description of the present utility model
Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to limitation of the present utility model.In addition, term " connected ", " connection " should be interpreted broadly, for example, can be with
It is to be fixedly connected or be detachably connected, or is integrally connected；Can be mechanical connection or electrical connection；Can be with
It is to be joined directly together, can also be indirectly connected by intermediary, can is the connection of two element internals.For the general of this area
For logical technical staff, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
Embodiment 1
As shown in figure 1, the rotary reactor of the drying fine coal described in the present embodiment includes：
Feed system, it includes seal silo 13 and the feeding spiral conveyer 10 being connected with the seal silo 13, institute
The charging aperture sealing for stating feeding spiral conveyer 10 and the rotating cylinder 3 connects setting, in addition to the rotating cylinder 3
The discharging spiral conveyor 11 that outlet material is tightly connected, and in the feed end (one i.e. with charging aperture of the rotating cylinder 3
End) inert gas input pipe 12 is additionally provided with, also set up in the discharge end (i.e. one end with discharging opening) of the rotating cylinder 3
There is fixed gas blast pipe 14, so on the one hand by using Weighing type seal silo 11 and conveying worm, air can be avoided to enter
Enter inside rotating cylinder, and then avoid the material that material is unfavorable for product with oxygen generation oxidation reaction production, effectively control
Oxygen content in rotary furnace；On the other hand the indifferent gas of heating is passed through into rotating cylinder 3 by inert gas input pipe 12
Body, it so can both accelerate dry materials, the same chemical reaction that can avoid material again is effective to maintain the pure of material
Property；The discharge end of the rotating cylinder 3 is also provided with fixed gas blast pipe 14 in the present embodiment, can be by rotating cylinder 3
Fixed gas lead to the external world.
Please referring also to Fig. 1 and Fig. 2, the rotary reactor described in the present embodiment also include two independent fixation chucks 6,
And two fixed chucks 6 are sheathed on the outside of the rotating cylinder 3 respectively, at the present embodiment, the both ends point of two fixed chucks 6
It is not tightly connected with rotating cylinder 3 by the soft formula of flap, hot wind inlet 4 and hot blast is provided with each chuck 6
Outlet 5 is so hot to cause the passage that heat supply wind circulation is respectively formed between described two fixed chucks 6 and the rotating cylinder 3
Wind can be realized by the passage between chuck 6 and the rotating cylinder 3 to the processing of the contact drying of fine coal, maintain fine coal with
The respective pure property of hot blast, is advantageous to later processing operation and environmental protection, and security is higher.In addition, the present embodiment returns
Turn, so as to advantageously reduce system energy consumption, to avoid by being provided with thermal insulating warm-keeping layer on the inwall of the chuck in reactor
Energy waste.
Further, the rotary reactor described in the present embodiment also includes support member and transmission parts, in the present embodiment
Described in support member be rolling ring 1, two rolling rings 1 are supported and can rotated on support roller 9 by support roller 9 respectively, and rolling ring 1 is arranged at two
The outside of individual chuck；The transmission parts are gear hobbing 7, and gear hobbing 7 is arranged at the gap location between two chucks, thus supporting part
Part and transmission parts can bypass the passage of hot blast circulation, thus the hot blast between chuck and the rotating cylinder can be avoided to pass through
Heat transfer influences support member and the Mechanical Property of Metal of transmission parts, and then extends the service life of rotary furnace.
Again see Fig. 2, the rotary reactor described in the present embodiment also includes being arranged on the inwall of rotating cylinder 3 and along institute
The inwall 2 circle heating muff 8 of cylindrical arrangement of rotating cylinder 3 is stated, heating muff 8 is set with the axially in parallel of rotating cylinder 3
Put, the both ends open of heating muff 8 and wherein one end connect the hot wind inlet 4 of a chuck, the other end and another chuck
Hot-blast outlet 5 is connected；Certain heating muff 8 described in other embodiments could be arranged to more than 1 circle or 3 circles any whole
Number；As preferred embodiment, the internal diameter ratio of heating muff 8 described in the present embodiment and the rotating cylinder 3 is 0.04, when
So in other embodiments the internal diameter of heating muff 8 and the rotating cylinder 3 than that can be the Arbitrary Digit between 0.01~0.08
Value, the both ends of the heating muff 8 by seal 2 are connected through the rotating cylinder 3 and with the rotating cylinder 3；
Gap is provided between the inwall of heating muff 8 described in the present embodiment and the rotating cylinder 3, can so be increased
The touch opportunity of fine coal and heating muff 8, improve heat exchange efficiency；As interchangeable embodiment, the present embodiment adds described
Fin, the incline direction of the fin and material movement direction one in the rotating cylinder 3 are additionally provided with the outer wall of thermal sleeve 8
Cause, set fin equally to improve the heat exchange area of heating muff 8, and then improve the heat exchange efficiency of rotary furnace；So by heat
The hot blast that wind inlet enters can not only circulate between chuck 6 and rotating cylinder 3, may further enter into heating muff 8, so as to return
Heat exchanger components are also formed inside drum body 3, this undoubtedly increases the contact area of fine coal and hot blast, so on the one hand causes this reality
The heat exchange area for applying the rotary reactor of example adds 130% than traditional rotary furnace chuck, and then heat exchange effect greatly improved
Rate, on the other hand due to fine coal and hot blast mediate contact, fine coal and the respective pure property of hot blast are maintained, is advantageous to subsequent technique
Operation and environmental protection.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (10)
1. a kind of rotary reactor of dry fine coal, including：
Rotating cylinder, its one end set charging aperture, the other end to set discharging opening, are provided with the feed end of the rotating cylinder lazy
Property gas inlet pipe, fixed gas blast pipe is provided with the discharge end of the rotating cylinder；
Feed system, it includes seal silo and the feeding spiral conveyer being connected with the seal silo, the feed auger
The charging aperture of conveyer and the rotating cylinder is tightly connected；
Discharging spiral conveyor, it is tightly connected the outlet material of the rotating cylinder；
At least two independent fixation chucks, each fixed chuck are sheathed on the outside of the rotating cylinder and keep solid
It is fixed motionless, and the both ends of the fixed chuck are tightly connected with the rotating cylinder by flap respectively, each described solid
Clamp, which is put, is provided with hot wind inlet and hot-blast outlet to form confession between the fixed chuck and the rotating cylinder
The passage of hot blast circulation；
Support member and transmission parts, the support member and the transmission parts may be contained within the outer wall of the rotating cylinder
On, gap location between the two neighboring fixed chuck of the support member and/or the transmission parts or it is located at
The outside at the fixed chuck both ends.
2. the rotary reactor of dry fine coal according to claim 1, it is characterised in that the geometrical clamp set is provided with two
Individual, the transmission parts are arranged at the gap location between two fixed chucks, and the support member is described solid positioned at two
The outside of clamp set.
3. the rotary reactor of dry fine coal according to claim 1, it is characterised in that in the inwall of the fixed chuck
On be provided with thermal insulating warm-keeping layer.
4. the rotary reactor of the drying fine coal according to claim any one of 1-3, it is characterised in that in the revolving drum
Some heating muffs are additionally provided with the inwall of body, the both ends open of the heating muff and wherein one end connect the hot blast and entered
Mouth, the other end are connected with the hot-blast outlet.
5. the rotary reactor of dry fine coal according to claim 4, it is characterised in that the heating muff and described time
Drum body being arranged in an axially parallel mode and circumferentially being arranged along the inwall of the rotating cylinder.
6. the rotary reactor of dry fine coal according to claim 5, it is characterised in that in the radial direction of the rotating cylinder
On be provided with no less than 2 circle the heating muff.
7. the rotary reactor of dry fine coal according to claim 4, it is characterised in that the both ends of the heating muff
It is tightly connected through the rotating cylinder and with the rotating cylinder.
8. the rotary reactor of dry fine coal according to claim 7, it is characterised in that the heating muff and described time
Gap is provided between the inwall of drum body.
9. the rotary reactor of dry fine coal according to claim 4, it is characterised in that the heating muff and described time
The ratio between internal diameter of drum body is 0.01~0.08.
10. the rotary reactor of the drying fine coal according to claim any one of 5-9, it is characterised in that in the heating
Some fins, the incline direction of the fin and material movement direction one in the rotating cylinder are provided with the outer wall of sleeve pipe
Cause.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074543.3U CN207163136U (en) | 2017-08-25 | 2017-08-25 | A kind of rotary reactor of dry fine coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074543.3U CN207163136U (en) | 2017-08-25 | 2017-08-25 | A kind of rotary reactor of dry fine coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207163136U true CN207163136U (en) | 2018-03-30 |
Family
ID=61718447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721074543.3U Active CN207163136U (en) | 2017-08-25 | 2017-08-25 | A kind of rotary reactor of dry fine coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207163136U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797756A (en) * | 2020-12-29 | 2021-05-14 | 重庆宇泰金属材料有限公司 | Rotary furnace drying system |
| CN112920822A (en) * | 2019-12-06 | 2021-06-08 | 国家能源投资集团有限责任公司 | Rotary kiln type pyrolysis reactor |
-
2017
- 2017-08-25 CN CN201721074543.3U patent/CN207163136U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112920822A (en) * | 2019-12-06 | 2021-06-08 | 国家能源投资集团有限责任公司 | Rotary kiln type pyrolysis reactor |
| CN112797756A (en) * | 2020-12-29 | 2021-05-14 | 重庆宇泰金属材料有限公司 | Rotary furnace drying system |
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