CN204787768U - External heating rotary furnace - Google Patents
External heating rotary furnace Download PDFInfo
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- CN204787768U CN204787768U CN201520411593.0U CN201520411593U CN204787768U CN 204787768 U CN204787768 U CN 204787768U CN 201520411593 U CN201520411593 U CN 201520411593U CN 204787768 U CN204787768 U CN 204787768U
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- rotary furnace
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- chuck
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Abstract
The utility model discloses an external heating rotary furnace, including the rotary furnace barrel with through connecting device along with the rotatory clamp cover of rotary furnace barrel, connecting device include the guide rail set up in on the rotary furnace barrel periphery wall, the saddle with the portable connection of guide rail, the saddle is in remove along rotary furnace barrel circumference on the guide rail, fixing base fixed mounting in press from both sides the cover inner wall, connecting rod one end with the rotatable connection of saddle, the other end with the rotatable connection of fixing base. Above -mentioned connecting device, but make clamp cover and rotary furnace barrel radial movement to during rotary furnace barrel the thermal expansion, the connecting rod is angle of adjustment thereupon, compensation thermal energy volume, when the rotary furnace barrel received the thermal stretching, the saddle can slide on the guide rail to reach the mesh of compensation elongation. But the clamp cover is connected with rotary furnace barrel radial movement's, has avoided rotary furnace barrel the thermal expansion and has pressed from both sides cover emergence wearing and tearing, and the extension maintenance period reduces use cost, improves the security performance.
Description
Technical field
The utility model belongs to rotary furnace coal upgrading field, is specifically related to a kind of external heat rotary furnace.
Background technology
Coal resources in China relative abundance, but the lower low-order coal of value occupies sizable ratio, and therefore low-order coal exploitation becomes the technology of high-order coal, has become the emphasis of the current energy research exploitation of China.
At present, the technology that low-order coal exploitation becomes high-order coal has several as follows: recirculating fluidized bed solid thermal carriers quick coal upgrading technology, gas heat carrier quick coal upgrading technology, belt dry distillation of coal upgrading technology, moving bed coal upgrading technology, rotary reactor coal upgrading technology.By test for many years and checking, rotary furnace coal upgrading technology just with its outstanding technical advantage, becomes technology main flow gradually.
Current rotary furnace primary structure is: rotary furnace inner core is main body, and gear and rolling ring support, and chuck carries out external heat, and gear and rolling ring are installed on outside rotary furnace cylindrical shell, as shown in Figure 1 and Figure 2.In working order, rotary furnace cylindrical shell rotates, external heating jacket fixed static.Because gear, rolling ring are all arranged on cylindrical shell, the cylindrical shell of this part-structure of installation is made to carry out chuck heating, and by gear and the outside transferring heat of rolling ring, thus causing this section of cylindrical shell insulation difficulty, heat insulation effect is bad, causes a large amount of thermal loss.And this section of barrel temperature is changed, be unfavorable for the reaction of material in rotary furnace.And then affect the service life of gear, rolling ring, support roller, cylindrical shell expanded by heating, cause producing between rolling ring and cylindrical shell backing plate rubbing, gap increases gradually.The design gaps now running reactor rolling ring and cylindrical shell is 2 ~ 4mm, and to survey gap be 3.7 ~ 12.85mm, be far longer than design gaps, its basic reason is exactly inner core expanded by heating, cause being arranged on inner core and rolling ring generation heavy wear mounted thereto, gap increases.
Chinese patent literature CN203274477U discloses the full heating jacket of a kind of external heat rotary furnace, is made up of outside rotary furnace cylindrical shell the fixing chuck of two kinds of different structures and running chuck; Running chuck is arranged on the position of rotary furnace cylindrical shell being installed gear and rolling ring; Geometrical clamp is set on the position of rotary furnace cylindrical shell installing outside gear and rolling ring, and gear and rolling ring are arranged on running jackets outer wall; Between fixing chuck and running chuck, the same chuck that is provided with seal, fixing chuck, running chuck and chuck sealing form together one along rotary furnace cylindrical shell total length through, non-separately independently, heating jacket structure entirely.Rotary furnace cylindrical shell is installed the position of rolling ring, and be welded into a circle entirety by thicker backing plate is alternate with thinner connecting plate, other positions arrange multiple shell ring.Shell ring, backing plate and connecting plate assembly welding are enclosed within outside rotary furnace cylindrical shell, form running chuck.Between shell ring and rotary furnace cylindrical shell and between backing plate and cylindrical shell, arrange multiple gusset, running chuck and rotary furnace cylindrical shell link together by gusset, and running chuck is rotated with rotary furnace cylindrical shell.Gear and rolling ring are fixed on outside running chuck.Above-mentioned full heating jacket, being by increasing running chuck and chuck arranges the totally enclosed chuck of sealing, avoiding the position that rotary furnace cylindrical shell cogs and rolling ring is installed and cannot carry out the defect of chuck heating, it also avoid thermal loss.But because be provided with again running chuck and chuck sealing on the basis of fixing chuck, greatly enhance the cost of chuck, and add the weight of rotary furnace, further increase the pressure of gear and rolling ring.And it by arranging multiple gusset between shell ring and rotary furnace cylindrical shell and between backing plate and cylindrical shell, realize running chuck with rotary furnace cylindrical shell is immovable, fix connection, after inner core expanded by heating, pressing rib, gusset is out of shape, rub with running chuck, gap increases gradually, and inner core and motion jacket wear, equipment life reduce.
Utility model content
Utilize totally-enclosed chuck cost high for solving in prior art, running chuck with rotary furnace cylindrical shell is immovable, fix connection, inner core expanded by heating pressing rib, cause rubbing with running chuck, gap increases gradually, the problem that inner core and motion jacket wear, equipment life reduce, a kind of external heat rotary furnace chuck jockey is provided, realize running chuck and rotary furnace cylindrical shell can relative movement, while avoiding thermal loss, greatly reduce the wearing and tearing of cylindrical shell, motion chuck, extend maintenance period, reduce use cost, improve security performance.
For this reason, the technical scheme that the utility model is taked is:
A kind of external heat rotary furnace, is comprised, rotary furnace cylindrical shell and the chuck rotated with rotary furnace cylindrical shell by jockey,
Described jockey comprises,
Guide rail, is arranged on described rotary furnace cylindrical shell periphery wall;
Saddle, is connected with described guide rail is removable, and described saddle is mobile along rotary furnace cylindrical shell circumference on described guide rail;
Holder, is fixedly installed in described jackets inner wall;
Connecting rod, one end is connected with described saddle is rotating, and the other end is connected with described holder is rotating.
In above-mentioned external heat rotary furnace, described guide rail forms a circular orbit around described rotary furnace cylindrical shell periphery wall, and some described saddles are distributed on described guide rail, the layout and some described saddles are centrosymmetric.
In above-mentioned external heat rotary furnace, optionally, described guide rail is formed by some rail sections spaced apart along described converter barrel periphery wall, and some described rail sections are centrosymmetric layout, every section of rail section saddle respectively.
In above-mentioned external heat rotary furnace, the length of described connecting rod is greater than the distance between described jackets inner wall and described rotary furnace cylindrical shell periphery wall.
In above-mentioned external heat rotary furnace, described saddle is also provided with ear seat, described ear seat is connected with described connecting rod is rotating.
In above-mentioned external heat rotary furnace, described connecting rod realizes being rotatably connected with described ear seat and described holder by pivot pin respectively.
In above-mentioned external heat rotary furnace, the inwall of chuck is also provided with thermal insulating warm-keeping layer.
In above-mentioned external heat rotary furnace, described pivot pin is fixed by nut.
Compared with prior art, the utility model tool has the following advantages:
1, external heat rotary furnace of the present utility model, rotary furnace cylindrical shell periphery wall arranges guide rail, and saddle is mobile along rotary furnace cylindrical shell circumference on guide rail; Connecting rod one end is connected with saddle is rotating, and the other end is connected with holder is rotating, by above-mentioned connected mode, chuck and rotary furnace cylindrical shell can be moved radially, and during rotary furnace cylindrical shell expanded by heating, connecting rod can adjust angle thereupon, compensate for heat expansion amount; When rotary furnace cylindrical shell is by thermal stretching, saddle at slide on rails, thus can reach the object compensating elongation.The connection that chuck and rotary furnace cylindrical shell can move radially, avoids rotary furnace cylindrical shell expanded by heating and chuck weares and teares.
2, external heat rotary furnace of the present utility model, fill thermal insulating warm-keeping layer and completely cut off heat transmission, rotary furnace cylindrical shell can be made uninterruptedly to heat, realize the running of cold wall, avoid thermal loss, realize chuck and rotary furnace cylindrical shell rotates simultaneously, gear, rolling ring are all arranged on chuck outside, do not contact with rotary furnace cylindrical shell, thus isolated heat outwards transmits, realize the running of cold wall, avoid rotary furnace cylindrical shell expanded by heating and rolling ring is worn and torn.
3, external heat rotary furnace of the present utility model, can control within the scope of normal temperature by outside wall temperature, greatly reduce the wearing and tearing of gear, rolling ring, chuck, extends maintenance period, reduces use cost, improves security performance.Rotary furnace cylinder body outer wall heat transfer area can be increased to 120% ~ 140%, and reduce thermal loss, be compared to traditional rotary furnace, thermal loss can be reduced to 20% ~ 30%.Device has accomplished long period safe operation, has good security performance and economic benefit, compared with full heating jacket, reduces the cost of equipment.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the gear cross-sectional view of conventional rotary furnace;
Fig. 2 is the rolling ring cross-sectional view of conventional rotary furnace;
Fig. 3 is the axial section structural representation of the utility model external heat rotary furnace;
Fig. 4 is the radial section structural representation of the utility model external heat rotary furnace;
Fig. 5 is the rolling ring radial section structural representation of the utility model external heat rotary furnace;
Fig. 6 is the gear radial section structural representation of the utility model external heat rotary furnace;
Wherein, Reference numeral is expressed as,
1-chuck, 2-thermal insulating warm-keeping layer, 3-rotary furnace cylindrical shell, 4-guide rail, 5-saddle, 6-pivot pin, 7-ear seat, 8-connecting rod, 9-nut, 10-holder.
Detailed description of the invention
External heat rotary furnace of the present utility model, as shown in Figure 3-4: comprise, rotary furnace cylindrical shell 3 and the chuck 1 rotated with rotary furnace cylindrical shell by jockey, described jockey comprises: guide rail 4 is arranged on described rotary furnace cylindrical shell 3 periphery wall; Saddle 5 is connected with guide rail 4 is removable, and saddle 5 is mobile along rotary furnace cylindrical shell circumference on guide rail 4; Holder 10 is fixedly installed in described chuck 1 inwall; Connecting rod 8 one end is connected with saddle 5 is rotating, and the other end is connected with holder 10 is rotating.By above-mentioned connected mode, chuck and rotary furnace cylindrical shell can be moved radially, avoid rotary furnace cylindrical shell expanded by heating and chuck weares and teares.
In another embodiment, in above-mentioned external heat rotary furnace, guide rail 4 forms a circular orbit around rotary furnace cylindrical shell 3 periphery wall, and some saddles 5 are distributed on described guide rail, the layout and some saddles 5 are centrosymmetric.Further, the length of connecting rod 8 is greater than the distance between chuck 1 inwall and rotary furnace cylindrical shell 3 periphery wall.Saddle 5 is also provided with ear seat 7, and ear seat 7 is connected with connecting rod 8 is rotating.Connecting rod 8 realizes being rotatably connected with ear seat 7 and holder 10 by pivot pin 6 respectively.The inwall of chuck 1 is also provided with thermal insulating warm-keeping layer 2.Described pivot pin 6 is fixed by nut 9.In the present embodiment, the number of saddle 5 is set to 8.
In another embodiment, in above-mentioned external heat rotary furnace, guide rail 4 is formed by some rail sections spaced apart along described converter barrel periphery wall, and some described rail sections are centrosymmetric layout, every section of rail section saddle 5 respectively.In the present embodiment, the number of saddle 5 is set to 6.
It is outside that gear or rolling ring are arranged on chuck 1, as seen in figs. 5-6, do not contact with rotary furnace cylindrical shell 3, thus isolated heat outwards transmits, realize the running of cold wall, avoid rotary furnace cylindrical shell 3 expanded by heating and rolling ring is worn and torn, while rotary furnace cylindrical shell 3 can be made uninterruptedly to heat, avoid thermal loss, can outside wall temperature be controlled within the scope of normal temperature, greatly reduce the wearing and tearing of gear, support roller, rolling ring, extend maintenance period, reduce use cost, improve security performance.Device has accomplished long period safe operation, has good security performance and economic benefit.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that detailed description of the invention of the present utility model is only limitted to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; if the improvement that can also make or distortion, all should be considered as belonging to the utility model by submitted to claims determination scope of patent protection.
Claims (8)
1. an external heat rotary furnace, comprises, rotary furnace cylindrical shell (3) and the chuck (1) rotated with rotary furnace cylindrical shell (3) by jockey,
It is characterized in that, described jockey comprises,
Guide rail (4), is arranged on described rotary furnace cylindrical shell (3) periphery wall;
Saddle (5), is connected with described guide rail (4) is removable, and described saddle (5) is mobile along rotary furnace cylindrical shell (3) circumference on described guide rail (4);
Holder (10), is fixedly installed in described chuck (1) inwall;
Connecting rod (8), one end is connected with described saddle (5) is rotating, and the other end is connected with described holder (10) is rotating.
2. external heat rotary furnace according to claim 1, it is characterized in that, described guide rail (4) forms a circular orbit around described rotary furnace cylindrical shell (3) periphery wall, some described saddles (5) are distributed on described guide rail (4), the layout and some described saddles (5) are centrosymmetric.
3. external heat rotary furnace according to claim 1, it is characterized in that, described guide rail (4) is formed by some rail sections spaced apart along described converter barrel (3) periphery wall, some described rail sections are centrosymmetric layout, every section of rail section saddle (5) respectively.
4. the external heat rotary furnace according to Claims 2 or 3, is characterized in that, the length of described connecting rod (8) is greater than the distance between described chuck (1) inwall and described rotary furnace cylindrical shell (3) periphery wall.
5. external heat rotary furnace according to claim 4, is characterized in that, described saddle (5) is also provided with ear seat (7), and described ear seat (7) is connected with described connecting rod (8) is rotating.
6. external heat rotary furnace according to claim 5, is characterized in that, described connecting rod (8) realizes being rotatably connected with described ear seat (7) and described holder (10) by pivot pin (6) respectively.
7. external heat rotary furnace according to claim 6, is characterized in that, the inwall of chuck (1) is also provided with thermal insulating warm-keeping layer (2).
8. external heat rotary furnace according to claim 7, is characterized in that, described pivot pin (6) is fixed by nut (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520411593.0U CN204787768U (en) | 2015-06-15 | 2015-06-15 | External heating rotary furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520411593.0U CN204787768U (en) | 2015-06-15 | 2015-06-15 | External heating rotary furnace |
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| CN204787768U true CN204787768U (en) | 2015-11-18 |
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| CN201520411593.0U Active CN204787768U (en) | 2015-06-15 | 2015-06-15 | External heating rotary furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267002A (en) * | 2016-12-30 | 2018-07-10 | 湖南鼎玖能源环境科技有限公司 | A kind of external heat type rotary furnace |
| CN110440581A (en) * | 2019-08-19 | 2019-11-12 | 二重（德阳）重型装备有限公司 | Double-layer furnace body rotary reaction furnace |
| CN110440582A (en) * | 2019-08-19 | 2019-11-12 | 二重（德阳）重型装备有限公司 | Multitube double-layer furnace body rotary reaction furnace |
| CN110780137A (en) * | 2019-11-07 | 2020-02-11 | 郑中光 | High-temperature-resistant testing device for electronic components |
| CN113316703A (en) * | 2019-01-29 | 2021-08-27 | 诺维尔里斯公司 | Expansion restraint assembly and related method |
-
2015
- 2015-06-15 CN CN201520411593.0U patent/CN204787768U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267002A (en) * | 2016-12-30 | 2018-07-10 | 湖南鼎玖能源环境科技有限公司 | A kind of external heat type rotary furnace |
| CN108267002B (en) * | 2016-12-30 | 2020-05-12 | 湖南鼎玖能源环境科技股份有限公司 | External heating type rotary furnace |
| CN113316703A (en) * | 2019-01-29 | 2021-08-27 | 诺维尔里斯公司 | Expansion restraint assembly and related method |
| US11698226B2 (en) | 2019-01-29 | 2023-07-11 | Novelis Inc. | Expansion constraint assembly and related methods |
| CN110440581A (en) * | 2019-08-19 | 2019-11-12 | 二重（德阳）重型装备有限公司 | Double-layer furnace body rotary reaction furnace |
| CN110440582A (en) * | 2019-08-19 | 2019-11-12 | 二重（德阳）重型装备有限公司 | Multitube double-layer furnace body rotary reaction furnace |
| CN110780137A (en) * | 2019-11-07 | 2020-02-11 | 郑中光 | High-temperature-resistant testing device for electronic components |
| CN110780137B (en) * | 2019-11-07 | 2021-11-09 | 山东龙为检测技术有限公司 | High-temperature-resistant testing device for electronic components |
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