CN212081997U - Cement production rotary kiln with fuel injection device - Google Patents
Cement production rotary kiln with fuel injection device Download PDFInfo
- Publication number
- CN212081997U CN212081997U CN202020185145.4U CN202020185145U CN212081997U CN 212081997 U CN212081997 U CN 212081997U CN 202020185145 U CN202020185145 U CN 202020185145U CN 212081997 U CN212081997 U CN 212081997U
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- Prior art keywords
- pipe
- rotary kiln
- mixing
- bin
- kiln body
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- 238000002347 injection Methods 0.000 title claims abstract description 44
- 239000007924 injection Substances 0.000 title claims abstract description 44
- 239000004568 cement Substances 0.000 title claims abstract description 27
- 239000000446 fuel Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 61
- 239000003245 coal Substances 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims description 16
- 239000000779 smoke Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 241000883990 Flabellum Species 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000002817 coal dust Substances 0.000 description 8
- 238000005507 spraying Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 235000020281 long black Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model relates to a cement manufacture rotary kiln technical field specifically is a cement manufacture rotary kiln with fuel injection device, including the rotary kiln, the left side of rotary kiln is equipped with unable adjustment base, and unable adjustment base's surface is equipped with the support frame, and the top of support frame is equipped with the buggy storehouse, and the bottom in buggy storehouse is equipped with the passage, and the bottom of passage is provided with coal injection device, and coal injection device includes coal injection pipeline, and coal injection pipeline's bottom is equipped with the blending bunker, is equipped with the flabellum in the blending bunker, and the left side of blending bunker is equipped with the inlet pipe, and the other end of inlet pipe is equipped with the. This cement manufacture rotary kiln with fuel injection apparatus can input the coal injection pipeline again after air and buggy intensive mixing through the flabellum in the blending bunker, and first mixing pipe and second mixing pipe can make buggy and further hybrid combustion of air to strengthen mixing, inside with the shorter and more powerful flame heating kiln body of black flame head in order to produce.
Description
Technical Field
The utility model relates to a cement manufacture rotary kiln technical field specifically is a cement manufacture rotary kiln with fuel spouts into device.
Background
The rotary cement kiln is an inclined rotary cylinder body which is placed on a plurality of paired supporting wheels through a plurality of wheel belts, refractory bricks are inlaid on the inner wall of the rotary cylinder body and mainly used for preparing slurry with fluidity, a coal injection pipe is used for heating in the rotary cement kiln, the conventional coal injection pipe is used for injecting coal powder and air together, theoretically, the relative speed of the coal powder and the air is zero, and therefore the mixing effect is poor, the defects of long black fire head, unstable flame, incomplete combustion and the like exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cement manufacture rotary kiln with fuel spouts into device to it has the incomplete problem of burning to propose current coal powder injection pipe among the above-mentioned background art to solve.
In order to achieve the above object, the utility model provides a following technical scheme:
a cement production rotary kiln with a fuel injection device comprises a rotary kiln, wherein the rotary kiln comprises a kiln body arranged in an inclined mode, a driven gear is arranged in the middle of the circumferential outer wall of the kiln body, a first rotating wheel and a second rotating wheel which are symmetrically distributed are arranged on the circumferential outer wall of the kiln body and close to the middle of the kiln body, a smoke chamber is arranged at the top end of the kiln body, a smoke multi-stage filter layer is arranged in the smoke chamber, a feeding bin is arranged at the top of the smoke chamber, a feeding guide pipe of the feeding bin is communicated with the kiln body, a cooling cylinder is arranged at the bottom end of the kiln body, a fixed base is arranged on the left side of the rotary kiln, a cement guide groove is formed in the surface of the fixed base and close to the edge of the right side of the fixed base, a support frame is arranged on the surface of the fixed base and close to the position of the left, the coal spraying device comprises a coal spraying pipeline, a first mixing pipe is arranged in the middle of the coal spraying pipeline, a second mixing pipe is arranged at the position, close to the top end, of the coal spraying pipeline, the first mixing pipe and the second mixing pipe are located in the kiln body, a mixing bin is arranged at the bottom end of the coal spraying pipeline, a cross-shaped fixing frame is arranged on the inner wall of the mixing bin and close to the middle of the mixing bin, blades are rotatably connected to the middle of the cross-shaped fixing frame, the right side of the mixing bin is of a conical structure, a feeding pipe is arranged in the middle of the left side of the mixing bin, an air inlet pipe is arranged at the position, close to the bottom edge, of the other end of the feeding pipe, a lighting pipe is arranged on the outer wall of the circumference of the coal spraying pipeline and close to the position connected with the mixing bin, and a lighting device and a gas pipe are arranged in the lighting pipe, the end of the ignition tube is positioned in the first mixing tube.
Preferably, the bottom of kiln body is equipped with first fixed station, second fixed station and third fixed station from a left side to the right side in proper order, the both ends at first fixed station top are equipped with the first riding wheel of symmetric distribution, first riding wheel with first riding wheel is tangent, the one end at second fixed station top is equipped with servo motor, the tip coaxial coupling of servo motor output shaft has the driving gear, the driving gear with driven gear meshes, the both ends at third fixed station top are equipped with the second riding wheel of symmetric distribution, the second riding wheel with the second rotates the wheel tangent.
Preferably, a control valve is arranged on the circumferential outer wall of the material guide pipe and close to the conical material guide bin.
Preferably, the bottom end of the guide tube is positioned in the feed tube.
Preferably, a conical material gathering pipe is arranged at the part where the feeding pipe is connected with the mixing bin, and the circle center of the conical material gathering pipe and the axis of the fan blade are located on the same axis.
Compared with the prior art, the beneficial effects of the utility model are that:
this cement manufacture rotary kiln with fuel injection device drives the kiln body through the servo motor that is equipped with and rotates, can input the coal injection pipeline again after air and buggy intensive mixing through the flabellum in the blending bunker, and first mixing pipe and second mixing pipe can make buggy and the further mixed combustion of air to strengthen mixing, inside with the stronger flame heating kiln body in order to produce the black flame head shorter.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a coal injection apparatus of the present invention;
FIG. 3 is a schematic view of the bottom end of the coal injection apparatus of the present invention;
figure 4 is the mixing bunker and the inlet pipe section and the inner structure sketch map in the utility model.
In the figure: the rotary kiln comprises a rotary kiln 1, a kiln body 10, a driven gear 11, a first rotating wheel 12, a second rotating wheel 13, a smoke chamber 14, a feeding bin 15, a first fixing table 16, a first supporting wheel 160, a second fixing table 17, a servo motor 170, a driving gear 1700, a third fixing table 18, a second supporting wheel 180, a cooling cylinder 19, a fixing base 2, a cement guide groove 20, a supporting frame 21, a pulverized coal bin 3, a conical guide bin 30, a guide pipe 31, a control valve 32, a coal injection device 4, a coal injection pipeline 40, a first mixing pipe 41, a second mixing pipe 42, a mixing bin 43, a cross-shaped fixing frame 430, fan blades 431, a feeding pipe 44, a conical material collecting pipe 440, an air inlet pipe 45 and an ignition pipe 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides a technical solution:
a cement production rotary kiln with a fuel injection device comprises a rotary kiln 1, wherein the rotary kiln 1 comprises a kiln body 10 which is obliquely arranged, so that fluid cement can flow downwards, a driven gear 11 is arranged in the middle of the circumferential outer wall of the kiln body 10, a first rotating wheel 12 and a second rotating wheel 13 which are symmetrically distributed are arranged on the circumferential outer wall of the kiln body 10 and close to the middle, a smoke chamber 14 is arranged at the top end of the kiln body 10, a smoke multi-stage filter layer is arranged in the smoke chamber 14, so that smoke generated by a coal injection device 4 can be discharged to the outside after being filtered and purified, a feeding bin 15 is arranged at the top of the smoke chamber 14, a feeding conduit of the feeding bin 15 is communicated with the kiln body 10, so that cement raw materials enter the kiln body 10, a cooling cylinder 19 is arranged at the bottom end of the kiln body 10, so that heated cement can be cooled during output, a fixed base 2 is arranged on the left side of the rotary kiln 1, a cement guide groove 20 is arranged on the surface, the processed cement is led out, a support frame 21 is arranged on the surface of the fixed base 2 and close to the left side, a pulverized coal bunker 3 is arranged at the top of the support frame 21, the support frame 21 plays a supporting role for the pulverized coal bunker 3, a conical guide bin 30 is arranged at the bottom of the pulverized coal bunker 3, a guide pipe 31 is arranged at the center of the bottom of the conical guide bin 30, a coal injection device 4 is obliquely arranged at the bottom end of the guide pipe 31, the coal injection device 4 comprises a coal injection pipeline 40, a first mixing pipe 41 is arranged in the middle of the coal injection pipeline 40, a second mixing pipe 42 is arranged at the position, close to the top end, of the coal injection pipeline 40, the inner diameter of the first mixing pipe 41 and the inner diameter of the second mixing pipe 42 are larger than that of the coal injection pipeline 40, pulverized coal and air can be further mixed due to the change of air flow during combustion, the combustion efficiency is improved, the first mixing pipe 41 and the second mixing pipe 42 are positioned in the kiln body 10, a cross-shaped fixing frame 430 is arranged on the inner wall of the mixing bin 43 and close to the middle, a fan blade 431 is rotatably connected to the middle of the cross-shaped fixing frame 430, pulverized coal and air are fully mixed through the fan blade 431, the mixed fuel can be more fully combusted in the first mixing pipe 41, the right side of the mixing bin 43 is of a conical structure, the mixed fuel can conveniently enter the coal injection pipeline 40, a feed pipe 44 is arranged in the middle of the left side of the mixing bin 43, an air inlet pipe 45 is arranged at the other end of the feed pipe 44 and at the bottom edge, pulverized coal can be prevented from being accumulated at the bottom of the feed pipe 44 by blowing air from the bottom of the end part of the feed pipe 44, an ignition pipe 5 is arranged on the circumferential outer wall of the coal injection pipeline 40 and close to the position connected with the mixing bin 43, an ignition device and a combustion gas pipe are arranged in the ignition pipe 5, the end part of, the interior of the kiln body 10 is heated.
In this embodiment, a first fixed platform 16, a second fixed platform 17 and a third fixed platform 18 are sequentially arranged at the bottom of the kiln body 10 from left to right, first riding wheels 160 symmetrically distributed are arranged at two ends of the top of the first fixed platform 16, the first riding wheels 160 are tangent to the first riding wheels 160, a servo motor 170 is arranged at one end of the top of the second fixed platform 17, a driving gear 1700 is coaxially connected to an end of an output shaft of the servo motor 170, the driving gear 1700 is meshed with the driven gear 11, the kiln body 10 is driven to rotate by the servo motor 170, second riding wheels 180 symmetrically distributed are arranged at two ends of the top of the third fixed platform 18, the second riding wheels 180 are tangent to the second rotating wheel 13, and the first riding wheels 160 and the second riding wheels 180 support the kiln body 10.
Specifically, a control valve 32 is disposed on the circumferential outer wall of the material guiding pipe 31 and near the conical material guiding chamber 30, and the opening and closing of the material guiding pipe 31 and the flow rate can be controlled by the control valve 32.
Further, the bottom end of the guide tube 31 is located in the feeding tube 44 to ensure that the pulverized coal can be completely fed into the feeding tube 44.
In addition, the conical gathering pipe 440 is arranged at the connecting part of the feeding pipe 44 and the mixing bin 43, so that fuel and air can enter the mixing bin 43 conveniently, the circle center of the conical gathering pipe 440 and the axis of the fan blades 431 are located on the same axis, so that the fuel and the air can enter the mixing bin 43 from the middle part, and the air can drive the fan blades 431 to rotate, so that the fuel and the air are mixed fully.
It is necessary to supplement that, the servo motor 170 involved in the present invention adopts the servo motor with model number SDGA-01C11AB produced by shenzhen dynasty automation ltd, and its matched driving power supply can also be provided by the manufacturer; furthermore, the present invention relates to a servo motor, which is a prior art, and can be implemented by a person skilled in the art, without extra description, and the present invention also does not relate to the improvement of the structure and working principle of a servo motor.
When the cement production rotary kiln with the fuel injection device is used, a user firstly ignites the ignition tube 5, when coal dust in the coal dust bin 3 enters the feeding tube 44 from the material guiding tube 31, air flow entering from the air inlet tube 45 can drive the coal dust to enter the mixing bin 43 from the conical material gathering tube 440, air can drive the fan blades 431 to rotate, the coal dust and the air are fully mixed under the action of the fan blades 431, the mixed coal dust enters the coal injection pipeline 40 under the drive of the air flow, when the coal dust reaches the first mixing tube 41, the coal dust is ignited by open fire at the end part of the ignition tube 5, so that heat is generated in the first mixing tube 41, the coal injection pipeline 40 and the second mixing tube 42, the kiln body 10 is heated, and the coal dust is subjected to short treatment by the mixing bin 43, the first mixing tube 41 and the second mixing tube 42 to generate black flame and stronger flame, the combustion rate of the fuel is improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A cement production rotary kiln with a fuel injection device comprises a rotary kiln (1) and is characterized in that: the rotary kiln comprises a kiln body (10) which is obliquely arranged, a driven gear (11) is arranged in the middle of the circumferential outer wall of the kiln body (10), a first rotating wheel (12) and a second rotating wheel (13) which are symmetrically distributed are arranged at the position, close to the middle, of the circumferential outer wall of the kiln body (10), a smoke chamber (14) is arranged at the top end of the kiln body (10), a smoke multi-stage filter layer is arranged in the smoke chamber (14), a feeding bin (15) is arranged at the top of the smoke chamber (14), a feeding conduit of the feeding bin (15) is communicated with the kiln body (10), a cooling cylinder (19) is arranged at the bottom end of the kiln body (10), a fixed base (2) is arranged on the left side of the rotary kiln (1), a cement guide groove (20) is formed in the position, close to the edge of the right side, on the surface of the fixed base (2), a support frame (21) is arranged at the position, close to, the top of the support frame (21) is provided with a pulverized coal bunker (3), the bottom of the pulverized coal bunker (3) is provided with a conical guide bin (30), the bottom center of the conical guide bin (30) is provided with a guide pipe (31), the bottom of the guide pipe (31) is obliquely provided with a coal injection device (4), the coal injection device (4) comprises a coal injection pipeline (40), the middle of the coal injection pipeline (40) is provided with a first mixing pipe (41), the position of the coal injection pipeline (40) close to the top end is provided with a second mixing pipe (42), the first mixing pipe (41) and the second mixing pipe (42) are positioned in the kiln body (10), the bottom of the coal injection pipeline (40) is provided with a mixing bin (43), the inner wall of the mixing bin (43) and the position close to the middle are provided with a cross-shaped fixing frame (430), the middle of the cross-shaped fixing frame (430) is rotatably connected with fan blades (431), the right side of blending bunker (43) is the toper structure, the left middle part of blending bunker (43) is equipped with inlet pipe (44), the other end of inlet pipe (44) just is located the position at bottom edge and is equipped with air-supply line (45), the circumference outer wall of coal injection pipeline (40) just be close to with the position that blending bunker (43) are connected is equipped with light tube (5), be provided with ignition and gas pipe in light tube (5), the tip of light tube (5) is located in first mixture pipe (41).
2. The cement production rotary kiln with fuel injection apparatus according to claim 1, wherein: the bottom of kiln body (10) is equipped with first fixed station (16), second fixed station (17) and third fixed station (18) from a left side to the right side in proper order, the both ends at first fixed station (16) top are equipped with first riding wheel (160) of symmetric distribution, first riding wheel (160) with first riding wheel (160) are tangent, the one end at second fixed station (17) top is equipped with servo motor (170), the tip coaxial coupling of servo motor (170) output shaft has driving gear (1700), driving gear (1700) with driven gear (11) meshing, the both ends at third fixed station (18) top are equipped with second riding wheel (180) of symmetric distribution, second riding wheel (180) with second is rotated wheel (13) and is tangent.
3. The cement production rotary kiln with fuel injection apparatus according to claim 1, wherein: and a control valve (32) is arranged on the circumferential outer wall of the material guide pipe (31) and close to the conical material guide bin (30).
4. The cement production rotary kiln with fuel injection apparatus according to claim 1, wherein: the bottom end of the material guide pipe (31) is positioned in the material feeding pipe (44).
5. The cement production rotary kiln with fuel injection apparatus according to claim 1, wherein: the part of the feeding pipe (44) connected with the mixing bin (43) is provided with a conical material gathering pipe (440), and the circle center of the conical material gathering pipe (440) and the axis of the fan blade (431) are located on the same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020185145.4U CN212081997U (en) | 2020-02-19 | 2020-02-19 | Cement production rotary kiln with fuel injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020185145.4U CN212081997U (en) | 2020-02-19 | 2020-02-19 | Cement production rotary kiln with fuel injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212081997U true CN212081997U (en) | 2020-12-04 |
Family
ID=73570125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020185145.4U Expired - Fee Related CN212081997U (en) | 2020-02-19 | 2020-02-19 | Cement production rotary kiln with fuel injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212081997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483537A (en) * | 2021-08-03 | 2021-10-08 | 江苏赛隆节能技术工程股份有限公司 | High-efficiency energy-saving drying coal injection combustion device and drying method thereof |
-
2020
- 2020-02-19 CN CN202020185145.4U patent/CN212081997U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483537A (en) * | 2021-08-03 | 2021-10-08 | 江苏赛隆节能技术工程股份有限公司 | High-efficiency energy-saving drying coal injection combustion device and drying method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |