CN215176851U - Rotary furnace end sealing device and anaerobic cracking system - Google Patents
Rotary furnace end sealing device and anaerobic cracking system Download PDFInfo
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- CN215176851U CN215176851U CN202121420072.3U CN202121420072U CN215176851U CN 215176851 U CN215176851 U CN 215176851U CN 202121420072 U CN202121420072 U CN 202121420072U CN 215176851 U CN215176851 U CN 215176851U
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Abstract
The application provides a rotary furnace tail end sealing device and an anaerobic cracking system, wherein the rotary furnace tail end sealing device comprises a connecting disc, an inner cylinder, an outer cylinder and a supporting mechanism, the outer cylinder is sleeved outside the inner cylinder, the inner cylinder wall of the outer cylinder and the outer cylinder wall of the inner cylinder jointly define a cooling water channel, and the outer cylinder is provided with a water inlet and a water outlet which are communicated with the cooling water channel; the connecting disc is connected with the outer cylinder and is used for being connected with the tail end of the rotary furnace; the supporting mechanism is connected with the outer cylinder, is used for supporting the outer cylinder and is rotatably matched with the outer cylinder. The operation in-process utilizes water-cooling to cool down, is difficult for causing big deformation because of the high temperature, and the leakproofness is good, long service life.
Description
Technical Field
The utility model relates to a material processing equipment field particularly, relates to a terminal sealing device of rotary furnace and anaerobic cracking system.
Background
The spiral shifting sheet is arranged in the inner wall of the rotary anaerobic cracking furnace, the materials are pushed by the horizontal angle of the rotary kiln or the rotation of a spiral blade roller, and the heating mode is that an outer furnace barrel is used for heating. Due to the high-temperature operation environment of the anaerobic cracking furnace, the sealing device at the tail end of the furnace body is heated and deformed, the sealing performance is influenced, even the damage of the sealing device at the tail end is caused, and the service life is shortened.
The inventor researches and discovers that the prior rotary anaerobic cracking furnace has the following defects:
the sealing device at the tail end of the furnace body has poor sealing effect after being heated and deformed and is easy to damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a terminal sealing device of rotary furnace and anaerobic schizolysis system, it can guarantee the leakproofness, and increase of service life.
The embodiment of the utility model is realized like this:
in a first aspect, the utility model provides a rotary furnace end sealing device for with the rotary furnace cooperation, include:
the cooling water channel is defined by the inner cylinder wall of the outer cylinder and the outer cylinder wall of the inner cylinder together, and the outer cylinder is provided with a water inlet and a water outlet which are communicated with the cooling water channel; the connecting disc is connected with the outer cylinder and is used for being connected with the tail end of the rotary furnace; the supporting mechanism is connected with the outer cylinder, is used for supporting the outer cylinder and is rotatably matched with the outer cylinder.
In an alternative embodiment, the connection disc is provided as a flange.
In an alternative embodiment, the inner barrel comprises an inner barrel body and an inner barrel flap, the inner barrel flap is connected with the first end of the inner barrel body and is turned outwards; the outer barrel comprises an outer barrel body and an outer barrel folded plate, the outer barrel folded plate is connected with the first end of the outer barrel body and is turned outwards, the outer barrel body is sleeved outside the inner barrel body, a gap is formed between the inner barrel wall of the outer barrel body and the outer barrel wall of the inner barrel body, and the second end of the inner barrel body is hermetically connected with the second end of the outer barrel body; a gap is formed between the outer barrel folded plate and the inner barrel folded plate, and one side of the outer barrel folded plate, which is far away from the outer barrel, is hermetically connected with one side of the inner barrel folded plate, which is far away from the inner barrel;
the water inlet and the water outlet are both arranged on the outer cylinder body.
In an alternative embodiment, the outer cylinder is sleeved with a wear-resistant ring, and the wear-resistant ring is rotatably matched with the supporting mechanism through a bearing.
In an alternative embodiment, the outer and inner barrels are coaxially arranged.
In an alternative embodiment, the number of the water inlets and the water outlets is set to be multiple.
In an optional embodiment, the outer barrel is externally sleeved with a water inlet and supply ring and a water outlet and supply ring, the water inlet and supply ring and the water outlet and supply ring are rotatably matched with the outer barrel, the water inlet and supply ring is communicated with the water inlet, the water outlet and supply ring is communicated with the water outlet, and the water inlet and supply ring and the water outlet and supply ring are arranged on the axis of the outer barrel at intervals.
In an alternative embodiment, the water inlet and supply ring is provided with an annular flow passage communicating with the water inlet; the water outlet and supply ring is provided with an annular flow passage communicated with the water outlet.
In an alternative embodiment, the wall thickness of the inner barrel is less than the wall thickness of the outer barrel.
In an optional embodiment, a spiral conveying plate group is arranged on the inner wall of the inner cylinder.
In a second aspect, the present invention provides an anaerobic cracking system, comprising:
a rotary kiln body and the rotary kiln end sealing device of any one of the foregoing embodiments, wherein the connecting disc is connected to an end of the rotary kiln body.
The embodiment of the utility model provides a beneficial effect is:
in conclusion, the embodiment provides a terminal sealing device of rotary furnace, including inner tube and urceolus, cooling water channel is injectd jointly to inner tube and urceolus, thereby can let in the cooling water channel and reduce the temperature of inner tube and urceolus, can effectively improve the problem that inner tube and urceolus produce deformation because of the high temperature. In the operation process of the rotary furnace, cooling water is introduced from the water inlet and flows in the cooling water channel between the inner cylinder and the outer cylinder, so that heat exchange is generated between the cooling water and the inner cylinder and the outer cylinder, heat of the inner cylinder and the outer cylinder is taken away, the effect of reducing the temperature of the inner cylinder and the temperature of the outer cylinder are achieved, the temperature of the inner cylinder and the temperature of the outer cylinder are not too high, for example, the temperature of the outer cylinder and the temperature of the inner cylinder can be controlled to be not higher than 100 ℃, and therefore the inner cylinder and the outer cylinder can be guaranteed to be small in deformation amount, can normally operate and are good in sealing performance. In addition, in the flowing process of the cooling water, the parts of the whole sealing device are cooled, the sealing device is not easy to damage, and the service life is long.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of an assembly structure of a rotary kiln body and a rotary kiln end sealing device according to an embodiment of the present invention;
fig. 2 is a schematic view of a matching structure of the outer cylinder and the inner cylinder according to the embodiment of the present invention.
Icon:
001-rotary furnace body; 100-connecting disc; 200-an inner cylinder; 210-an inner cylinder; 220-inner cylinder folded plate; 300-outer cylinder; 310-an outer cylinder; 311-a first water inlet; 312-a first water outlet; 313-a first cooling flume; 320-outer cylinder folded plate; 330-water inlet and supply ring; 340-water outlet and supply ring; 350-a separator; 400-a support mechanism; 410-a wear ring; 420-a bearing; 430-a discharge box; 431-a second water inlet; 432-a second water outlet; 433-a second cooling channel; 500-spiral conveying plate group; 600-driving the wear-resistant steel bars.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the operation process of the cracking furnace, the temperature is high, the temperature of the sealing device connected with the tail end of the cracking furnace is high, the sealing device deforms after being heated, the sealing effect is poor, the problem of damage is easy to occur, and the safety is low.
In view of this, designers have designed a rotary furnace end sealing device to reduce the temperature of the sealing device during operation to improve the deformation, thereby ensuring the sealing effect and prolonging the service life.
Referring to fig. 1 and 2, in the present embodiment, the end sealing device of the rotary furnace includes a connecting plate 100, an inner cylinder 200, an outer cylinder 300 and a supporting mechanism 400, the outer cylinder 300 is sleeved outside the inner cylinder 200, a cooling water channel is defined by the wall of the inner cylinder 200 of the outer cylinder 300 and the wall of the outer cylinder 300 of the inner cylinder 200, and the outer cylinder 300 is provided with a water inlet and a water outlet communicated with the cooling water channel; the connecting disc 100 is connected with the outer cylinder 300, and the connecting disc 100 is used for being connected with the tail end of the rotary furnace; the support mechanism 400 is connected to the tub 300, supports the tub 300, and is rotatably engaged with the tub 300.
The rotary furnace end sealing device provided by the embodiment comprises an inner cylinder 200 and an outer cylinder 300, wherein a cooling water channel is defined by the inner cylinder 200 and the outer cylinder 300 together, cooling water can be introduced into the cooling water channel, so that the temperature of the inner cylinder 200 and the temperature of the outer cylinder 300 are reduced, and the problem that the inner cylinder 200 and the outer cylinder 300 deform due to overhigh temperature can be effectively solved. In the operation process of the rotary kiln, cooling water is introduced from a water inlet, and flows in a cooling water channel between the inner cylinder 200 and the outer cylinder 300, so that heat exchange is generated between the cooling water channel and the inner cylinder 200 and the outer cylinder 300, heat of the inner cylinder 200 and the outer cylinder 300 is taken away, the effect of reducing the temperature of the inner cylinder 200 and the temperature of the outer cylinder 300 are achieved, the temperature of the inner cylinder 200 and the temperature of the outer cylinder 300 are not too high, for example, the temperature of the outer cylinder 300 and the temperature of the inner cylinder 200 can be controlled to be not higher than 100 ℃, and therefore the inner cylinder 200 and the outer cylinder 300 can be guaranteed to have small deformation, can normally operate and have good sealing performance. In addition, in the flowing process of the cooling water, the parts of the whole sealing device are cooled, the sealing device is not easy to damage, and the service life is long.
In this embodiment, the inner cylinder 200 optionally includes an inner cylinder 210 and an inner cylinder flap 220, and the inner cylinder flap 220 is connected to the inner cylinder 210.
Alternatively, the inner barrel 210 is provided as a cylindrical barrel, the inner barrel 210 having first and second ends in the direction of axial extension thereof, and an inner barrel flap 220 secured to the second end.
Further, the inner cylinder 200 wall of the inner cylinder 210 is provided with a spiral material conveying plate group 500, the spiral material conveying plate group 500 comprises a plurality of arc-shaped plates, the plurality of arc-shaped plates are arranged on the inner cylinder 200 wall of the inner cylinder 210 at intervals, and the extending direction of the arc-shaped plates and the axis extending direction of the inner cylinder 210 have an included angle which is not zero.
Optionally, the inner barrel folded plate 220 includes a first inner annular plate and a second inner annular plate, the first inner annular plate is a circular plate, the second inner annular plate is a circular plate, an inner circumferential surface of the first inner annular plate is fixedly connected to the second end of the inner barrel 210, and an outer circumferential surface of the first inner annular plate protrudes out of an outer circumferential surface of the inner barrel 210, that is, the first inner annular plate is of an everting structure. The inner peripheral surface of the second inner annular plate is fixedly connected with the outer peripheral surface of the first inner annular plate, and the outer peripheral surface of the second inner annular plate extends towards the first end. That is, the inner cylinder 210, the first inner annular plate and the second inner annular plate are coaxially disposed, and the three are substantially U-shaped.
In this embodiment, the outer barrel 300 may optionally include an outer barrel 310 and an outer barrel flap 320, and the outer barrel flap 320 is connected to the outer barrel 310.
Alternatively, the outer barrel 310 is provided as a cylindrical barrel, the outer barrel 310 having a third end and a fourth end in the direction of axial extension thereof, and an outer barrel flap 320 secured to the fourth end. The wall of the outer cylinder 310 is provided with a first water inlet 311 and a first water outlet 312, the number of the first water inlets 311 is multiple, and the multiple first water inlets 311 are uniformly distributed at intervals in the circumferential direction of the outer cylinder 310 and are all located on the same circumference of the circle center on the axis of the outer cylinder 310. The number of the first water outlets 312 is multiple, and the multiple first water outlets 312 are uniformly arranged at intervals in the circumferential direction of the outer cylinder 310 and are all located on the same circumference of the circle center on the axis of the outer cylinder 310. The first water inlets 311 and the first water outlets 312 are arranged at intervals on the axis of the outer cylinder 310.
And, a water inlet and supply ring 330 and a water outlet and supply ring 340 are externally coupled to the outer cylinder body 310. The inlet water supply ring 330 and the outlet water supply ring 340 are rotatably engaged with the outer tub 300. The water inlet and supply ring 330 is simultaneously communicated with the plurality of first water inlets 311, and the water outlet and supply ring 340 is simultaneously communicated with the plurality of water outlets. The outer cylinder 310 rotates around its axis, so that the water inlet and outlet rings 330 and 340 are both kept stationary and can flow cooling liquid.
It should be understood that the inlet water supply ring 330 is provided with an annular flow passage, the outlet water supply ring 340 is provided with an annular flow passage, and the annular flow passage of the inlet water supply ring 330 is communicated with the plurality of first water inlets 311; the annular flow passage of the water outlet and supply ring 340 is simultaneously communicated with the plurality of first water outlets 312.
It should be noted that, when performing water-cooling, the water inlet and supply ring 330 is communicated with a water source, and the water outlet and supply ring 340 is communicated with the water source by using a pipeline, and the pipeline corresponds to a heat exchange device, so that the heated cooling water can be cooled, and the circulating flow of the cooling water is realized.
Further, be provided with two baffles 350 on the outer peripheral face of outer barrel 310, every baffle 350 all with outer barrel 310's outer peripheral face sealing connection, the ring 330 that supplies water of intaking all is located between two baffles 350 with the ring 340 that supplies water of going out, that is, a plurality of first water inlets 311 and a plurality of first delivery port 312 all are located between two baffles 350, even there is the coolant liquid to leak at the ring department that supplies water, the coolant liquid can not flow everywhere yet, and can flow to the basin of settlement along baffle 350.
Optionally, the outer barrel folded plate 320 includes a first outer annular plate and a second outer annular plate, the first outer annular plate is a circular plate, the second outer annular plate is a circular plate, an outer circumferential surface of the first outer annular plate is fixedly connected to the fourth end of the outer barrel 310, and an outer circumferential surface of the first outer annular plate protrudes out of an outer circumferential surface of the outer barrel 310, that is, the first outer annular plate is of an everting structure. The outer peripheral surface of the second outer annular plate is fixedly connected with the outer peripheral surface of the first outer annular plate, and the outer peripheral surface of the second outer annular plate extends towards the third end. That is, the outer cylinder 310, the first outer annular plate and the second outer annular plate are coaxially disposed, and the three are substantially in a "U" shape.
The outer cylinder body 310 is sleeved outside the inner cylinder body 210 and coaxially arranged, the first end of the inner cylinder body 210 and the third end of the outer cylinder body 310 are closed, and a first annular cavity is formed between the outer cylinder body 310 and the inner cylinder body 210. The first inner annular plate and the first outer annular plate are oppositely arranged to form a flow cavity, and the first flow cavity is communicated with one end, away from the first end and the third end, of the annular cavity. The second outer annular plate is sleeved outside the second inner annular plate and coaxially arranged with the second inner annular plate, the second outer annular plate and the second inner annular plate jointly define a second annular cavity, one side of the second annular cavity, which is close to the first end or the third end, is closed, and the flow cavity is communicated with the second annular cavity. That is, the first annular cavity, the flow chamber and the second annular cavity are communicated, and the first cooling water channel 313 is formed by the first annular cavity, the flow chamber and the second annular cavity.
Further, the thickness of the wall of the outer cylinder 310 is greater than that of the wall of the inner cylinder 210, so that the cooling liquid in the first cooling water channel can exchange heat with the material through the inner cylinder 210.
In this embodiment, optionally, the connecting plate 100 is fixed outside the outer cylinder 310, and the connecting plate 100 is configured as a flange plate and fixed on a flange structure at the end of the rotary furnace by using bolts.
In this embodiment, optionally, the supporting mechanism 400 includes a wear-resistant ring 410, a bearing 420, a discharging box 430, and a fixing frame, the wear-resistant ring 410 is sleeved outside the outer cylinder 310, the bearing 420 is sleeved outside the wear-resistant ring 410, the discharging box 430 is sleeved outside the bearing 420, and the fixing frame is connected to the discharging box 430 to support. The outer cylinder 310 is driven by the rotary furnace body 001 to rotate relative to the discharging box 430.
Meanwhile, the discharge box 430 is provided with a second cooling water channel 433, and a second water inlet 431 and a second water outlet 432 both communicated with the second cooling water channel 433.
In other embodiments, the outer cylinder 310 is provided with a driving wear-resistant steel bar 600, which is connected to the wear-resistant ring 410 and can drive the wear-resistant ring 410 to move in the axial extending direction of the outer cylinder 310.
In other embodiments, in order to ensure the sealing performance of the whole device, a ceramic packing or a graphite packing is additionally arranged at the interface or the motion joint for multiple protection, and a continuous high-temperature lubricating oil supply device is arranged. For example, graphite packing is disposed between the wear ring 410 and the outer cylinder 310.
The rotary furnace end sealing device provided by the embodiment can control the temperature of the inner cylinder 200 and the outer cylinder 300 through water cooling, reduce deformation, ensure sealing performance and be not easy to damage.
The embodiment also provides an anaerobic cracking system, which comprises a rotary furnace body 001 and the rotary furnace end sealing device mentioned in the embodiment, wherein the connecting disc 100 is connected with the end of the rotary furnace body 001. The anaerobic cracking system has good sealing performance, is not easy to damage, has high operation safety and low cost.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A rotary furnace end seal for cooperation with a rotary furnace, the rotary furnace end seal comprising:
the outer cylinder is sleeved outside the inner cylinder, a cooling water channel is defined by the inner cylinder wall of the outer cylinder and the outer cylinder wall of the inner cylinder together, and a water inlet and a water outlet which are communicated with the cooling water channel are formed in the outer cylinder; the connecting disc is connected with the outer cylinder and is used for being connected with the tail end of the rotary furnace; the supporting mechanism is connected with the outer cylinder, is used for supporting the outer cylinder and is rotatably matched with the outer cylinder.
2. The rotary kiln end seal assembly defined in claim 1, wherein:
the connecting disc is arranged as a flange.
3. The rotary kiln end seal assembly defined in claim 1, wherein:
the inner cylinder comprises an inner cylinder body and an inner cylinder folded plate, and the inner cylinder folded plate is connected with the first end of the inner cylinder body and is turned outwards; the outer barrel comprises an outer barrel body and an outer barrel folded plate, the outer barrel folded plate is connected with the first end of the outer barrel body and is turned outwards, the outer barrel body is sleeved outside the inner barrel body, a gap is formed between the inner barrel wall of the outer barrel body and the outer barrel wall of the inner barrel body, and the second end of the inner barrel body is hermetically connected with the second end of the outer barrel body; a gap is formed between the outer barrel folded plate and the inner barrel folded plate, and one side of the outer barrel folded plate, which is far away from the outer barrel, is hermetically connected with one side of the inner barrel folded plate, which is far away from the inner barrel;
the water inlet and the water outlet are both arranged on the outer barrel.
4. The rotary kiln end seal assembly defined in claim 3 wherein:
the outer barrel is sleeved with a wear-resistant ring, and the wear-resistant ring is rotatably matched with the supporting mechanism through a bearing.
5. The rotary kiln end seal assembly defined in claim 1, wherein:
the outer cylinder and the inner cylinder are coaxially arranged.
6. The rotary kiln end seal assembly defined in claim 1, wherein:
the quantity of the water inlets and the quantity of the water outlets are both set to be a plurality.
7. The rotary kiln end seal assembly defined in claim 1, wherein:
the outer barrel is sleeved with a water inlet and water outlet and water supply ring, the water inlet and water supply ring and the water outlet and water supply ring are rotatably matched with the outer barrel, the water inlet and water supply ring is communicated with the water inlet, the water outlet and water supply ring is communicated with the water outlet, and the water inlet and water supply ring and the water outlet and water supply ring are arranged on the axis of the outer barrel at intervals.
8. The rotary kiln end seal assembly defined in claim 7 wherein:
the water inlet and supply ring is provided with an annular flow passage communicated with the water inlet; the water outlet and supply ring is provided with an annular flow passage communicated with the water outlet.
9. The rotary kiln end seal assembly defined in claim 1, wherein:
the wall thickness of the inner cylinder is smaller than that of the outer cylinder.
10. An anaerobic cracking system, characterized in that the anaerobic cracking system comprises:
a rotary kiln body and a rotary kiln end seal according to any one of claims 1 to 9, the terminal plate being connected to an end of the rotary kiln body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121420072.3U CN215176851U (en) | 2021-06-24 | 2021-06-24 | Rotary furnace end sealing device and anaerobic cracking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121420072.3U CN215176851U (en) | 2021-06-24 | 2021-06-24 | Rotary furnace end sealing device and anaerobic cracking system |
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| Publication Number | Publication Date |
|---|---|
| CN215176851U true CN215176851U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121420072.3U Active CN215176851U (en) | 2021-06-24 | 2021-06-24 | Rotary furnace end sealing device and anaerobic cracking system |
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| CN (1) | CN215176851U (en) |
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2021
- 2021-06-24 CN CN202121420072.3U patent/CN215176851U/en active Active
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