CN201697450U - Rotary kiln for producing cement - Google Patents
Rotary kiln for producing cement Download PDFInfo
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- CN201697450U CN201697450U CN2010202302681U CN201020230268U CN201697450U CN 201697450 U CN201697450 U CN 201697450U CN 2010202302681 U CN2010202302681 U CN 2010202302681U CN 201020230268 U CN201020230268 U CN 201020230268U CN 201697450 U CN201697450 U CN 201697450U
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- kiln
- kiln body
- wheel belt
- rotary kiln
- rotary
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Abstract
A rotary kiln for producing cement comprises a kiln body, a fixed wheel belt, a rotary power device and a sealing device. The rotary power device is arranged at the tail of the kiln body. The head and the tail of the kiln body are provided with a two-speed tug. The kiln body corresponding to the tug is provided with the fixed wheel belt. The wheel belt and the kiln body are welded into one body. The rotary power device drives the main tug to rotate. The main tug and the wheel belt generate friction transmission, so that the kiln body rotates. Compared with the traditional loop wheel belt, in the utility model, the kiln body and the wheel belt are welded together so that the deformation at the kiln body and the wheel belt is small, the manufacture process is simple, the metal working workload of the kiln body is reduced and steel products are saved. The sealing device of the rotary kiln is provided with a sealing sleeve, a sealing ring and an elastic friction ring, the air leakage quantity is little and the sealing effect is good. The head cylinder body of the kiln body is of a double layer structure which prolongs the service life of the kiln head. A kiln liner at the tail of the kiln body is concave and convex. The tail of the kiln body is provided with multiple lines of dustfall heat transmission chains so that dust is hindered when being discharged, the heat transmission time of material is prolonged and the thermal efficiency of the kiln is improved.
Description
Technical field
The utility model belongs to cement manufacture plant, and it relates to a kind of production cement rotary kiln.
Background technology
Producing the cement rotary kiln is the main calciner that is used for manufacture of cement, the tradition rotary kiln adopts and is sleeved on the gear wheel on the kiln body and is positioned at the mutual interlock transmission of the corresponding pinion of kiln body downside and gear wheel position, because gear pair is made complicated, processing power consumption height, steel consumption is many, and production cost is high.Tradition wheel band also is sleeved on the kiln body, and wheel band place kiln body deformability amount is big, has increased transmission agency.Tradition Sealing of Rotary Kiln device has sealings such as dead turn formula, graphite block formula, fish scale chip, because the dead turn gap is inhomogeneous, influences sealing effectiveness; Graphite block formula and fish scale chip are many because of seam, and slit width, sealing effectiveness are also very poor.The kiln body of tradition rotary kiln is that ordinary steel is made, and kiln hood high temperature section cylindrical shell is often burnt out, and changes cylindrical shell and takes a lot of work, time-consumingly takes material again, and reduced the running rate of kiln.Tradition kiln body liner is concordant refractory brick, and heat transfer efficiency is low.Tradition rotary kiln place does not have any dustproof facilities, and dust discharge amount is big, thermal waste.
Summary of the invention
The purpose of this utility model provide a kind of energy-conservation, produce the cement rotary kiln efficiently.
For solving the problems of the technologies described above, production cement rotary kiln of the present utility model comprises kiln body, fast pulley band, rotary power unit and sealing device etc.The kiln body is horizontal, and feed end is on the right side of kiln body, and discharge end is lined with refractory brick in the left side of kiln body in the kiln body; Rotary power unit is arranged on the afterbody of kiln body, and this rotary power unit links to each other with the kiln body; It is characterized in that: the kiln body be furnished with two grades of support rollers end to end, the fixed band of taking turns is arranged on the kiln body corresponding to support roller, the wheel band is integrally welded with the kiln body.Drive support roller by motor, reductor, the frictional force of being with by support roller and wheel is rotated the kiln body.
Kiln body and wheel tape welding are connected together and make kiln body wheel band place deflection little, and manufacturing process is simple, and the metalworking workload of kiln body reduces, and has saved a large amount of steel.
As first improvement of the present utility model, promptly turn round kiln hood, tail sealing device.It is connecting doubly-linked labyrinth collar etc. by one group of " accordion " formula sealing shroud and is forming, sealing shroud is formed by connecting with rivet by the sheet metal ring, the doubly-linked labyrinth collar comprises the inside and outside labyrinth ring of being made up of two semi-rings respectively, and outer labyrinth ring has groove, in the groove corresponding position, interior labyrinth ring is provided with projection, projection and engagement, engagement place are provided with the elastic-friction circle, and inner seal ring is welded on the kiln body, outer seal ring is connected with bolt with sealing shroud, hangs on support.
Owing to be provided with sealing shroud, sealing ring and elastic-friction circle three roads " outpost of the tax office ", thereby can make the air quantity that bleeds of kiln hood, kiln tail very little, good sealing effect; Simultaneously, inside and outside labyrinth ring engagement place is provided with the elastic-friction circle, has prolonged the service life of sealing ring.
As second improvement of the present utility model, kiln body head cylindrical shell is a double-decker, and cylindrical shell internal layer and cylindrical shell skin are heat resisting steel, is filled with heat-barrier material in the middle of the inside and outside layer, there is one deck special cermacis plate on the internal layer cylinder surface, and the special cermacis plate is bolted on the kiln body with high temperature resistant.
This improvement has thoroughly solved the problem that kiln hood section cylindrical shell is often burnt out, and has avoided changing the work of kiln hood shell ring, saves manpower, saves steel, has prolonged the service life of kiln hood sections, has improved the running rate of kiln.
As the 3rd improvement of the present utility model, kiln body afterbody is provided with depositing dust, heat transfer chain.This chain center is a heat-resisting hollow pipe, and pipe is outer to twine one deck sial felt, and the sial felt has a string special cermacis pipe outward, and two of chain is fixed by bolts on the outer surface of kiln body.Depositing dust, heat transfer chain are provided with 8-15 row, staggered 30 ° of layouts of rotation between per two rows.
Multilayer depositing dust, heat transfer chain can not only make when dust effluxes in the kiln and be obstructed, and have prolonged the heat transfer time of material in kiln, reduce and pollute, and have improved the thermal efficiency of kiln simultaneously.
As the 4th improvement of the present utility model, the kiln lining of kiln body afterbody is concavo-convex alternate layout, and recessed lining is a plain edition refractory brick, and protruding lining is a heightening type refractory brick, and leaning on a protruding lining brick of lifting face is the high strength anti firebrick.
The concavo-convex alternate layout of kiln lining can increase heat conduction, convection current, the swept area of material at this section greatly, thereby has improved the thermal efficiency of kiln.
Compare with traditional rotary kiln, production cement of the present utility model is simple with the rotary kiln manufacturing process, saves steel, and good sealing effect has prolonged service life of kiln hood sections, has improved the thermal efficiency of kiln, is a kind of energy-conservation, efficient rotary kiln.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the fixed partial enlarged drawing of taking turns band I place of rotary kiln.
Fig. 3 is the partial enlarged drawing at rotary kiln tail sealing device II place.
Fig. 4 is the partial enlarged drawing at rotary kiln body head III place.
Fig. 5 is the cross-sectional schematic of the kiln portion of rotary kiln shown in Figure 1 along the A-A line among Fig. 1.
Fig. 6 is the cross-sectional schematic of the kiln portion of rotary kiln shown in Figure 1 along the B-B line among Fig. 1.
The specific embodiment
Fig. 1, Fig. 2 cement rotary kiln as can be known are horizontal, comprise kiln body 1, fast pulley band 7,8, feed end 2 is on the right side of kiln body 1, discharge end 3 is in the left side of kiln body 1, be lined with refractory brick 4 in the kiln body 1, kiln body 1 be furnished with two grades of support rollers 5,6 end to end, support roller 6 is two shafts, one end of two shafts links to each other with main motor 10 with main gear reducer 9, and the other end of two shafts links to each other with stand-by motor 11; And have fixed the wheel to be with 7,8 on support roller 5, the 6 corresponding kiln bodies 1, wheel band is integrally welded with kiln body 1.When main motor 10 drove support rollers 6 and rotates, support roller 6 was with 8 to produce frictional drive with wheel, because wheel is with 8 to be the integral type fixed structure with kiln body 1, thereby made the rotation of kiln body.
Fig. 3 has provided the partial enlarged drawing of rotary kiln tail sealing device, as shown in Figure 3, the seal of rotary kiln device is connecting doubly-linked labyrinth collar and kiln body 1 afterbody by circle " accordion " formula sealing shroud, sealing shroud is connected to form by stalloy 12 usefulness rivets 13, the doubly-linked labyrinth collar comprises the inside and outside labyrinth ring of being made up of two semi-rings respectively, outer labyrinth ring 14 has groove, in the groove corresponding position, interior labyrinth ring 15 is provided with projection, projection and engagement, the engagement place is provided with elastic-friction circle 16, and sealing shroud is connected with bolt 17 with inner seal ring.
Fig. 4 has provided the partial enlarged drawing of rotary kiln body head, as shown in Figure 4, kiln body 1 head cylindrical shell is a double-decker, cylindrical shell internal layer 18 and cylindrical shell outer 19 is heat resisting steel, be filled with heat-barrier material in the middle of the internal layer 18 and outer 19, there is one deck special cermacis plate 20 on internal layer 18 surfaces, and special cermacis plate 20 usefulness are high temperature resistant, and bolt 21 is fixed on the inside and outside layer cylindrical shell 18,19 of discharging opening.
Fig. 5 has provided the cross-sectional schematic of the kiln portion of rotary kiln shown in Figure 1 along the A-A line among Fig. 1, as shown in Figure 5, kiln body 1 afterbody evenly is provided with 8-15 row depositing dust, the heat transfer chain, staggered 30 ° of layouts of rotation between per two rows, every row's depositing dust, the heat transfer chain is made of at interval many chains, every chain center is a heat-resisting hollow pipe 22, the outer one deck sial felt 23 that twining of pipe, the a string special cermacis pipe 24 of sial felt 23 outer suits, two of chain is passed kiln body 1 usefulness bolt 25 and is fixed on kiln body 1 outer surface, along with the rotation of kiln body 1, depositing dust heat transfer chain also rotates thereupon, make air-flow become complications to advance, thereby part effluxes dust and be trapped, and prolonged the heat transfer time.
Fig. 6 has provided the cross-sectional schematic of the kiln portion of rotary kiln shown in Figure 1 along the B-B line among Fig. 1, as shown in Figure 6, the kiln lining of kiln body 1 afterbody is concavo-convex alternate layout, and recessed lining 26 is a plain edition refractory brick, protruding lining 27 is a heightening type refractory brick, and leaning on a protruding lining 27 of lifting face is the high strength anti firebrick.
Claims (7)
1. produce the cement rotary kiln for one kind, comprise kiln body (1), the fixed band (7 of taking turns, 8), rotary power unit and sealing device, kiln body (1) is horizontal, feed end (2) is on the right side of kiln body (1), discharge end (3) is in the left side of kiln body (1), be lined with refractory brick (4) in the kiln body (1), rotary power unit is arranged on the afterbody of kiln body (1), this rotary power unit links to each other with kiln body (1), it is characterized in that: kiln body (1) be furnished with two grades of support rollers (5 end to end, 6), corresponding to support roller (5, the fixed band (7 of taking turns is arranged on the kiln body (1) 6), 8), the wheel band (7,8) integrally welded with kiln body (1).
2. a kind of production cement rotary kiln as claimed in claim 1, it is characterized in that: described sealing device is connecting the doubly-linked labyrinth collar by circle " accordion " formula sealing shroud and is forming, sealing shroud is connected to form with rivet (13) by stalloy (12), the doubly-linked labyrinth collar comprises the inside and outside labyrinth ring of being made up of two semi-rings respectively, outer labyrinth ring (14) has groove, in the groove corresponding position, interior labyrinth ring (15) is provided with projection, projection and engagement, projection is provided with elastic-friction circle (16) with the engagement place.
3. a kind of production cement rotary kiln as claimed in claim 1, it is characterized in that: described kiln body (1) head cylindrical shell is a double-decker, cylindrical shell internal layer (18) and cylindrical shell skin (19) are heat resisting steel, filling heat-barrier material in the middle of the inside and outside layer, internal layer (18) has one deck special cermacis plate (20) on the surface, and described special cermacis plate (20) is fixed on the kiln body (1) with high temperature resistant bolt (21).
4. a kind of production cement rotary kiln as claimed in claim 1, it is characterized in that: described kiln body (1) afterbody is provided with depositing dust, heat transfer chain, this chain center is a heat-resisting hollow pipe (22), the outer one deck sial felt (23) that twining of pipe, the a string special cermacis pipe of the outer suit of sial felt (23) (24), two of chain is fixed on kiln body (1) outer surface with bolt (25).
5. a kind of production cement rotary kiln as claimed in claim 4 is characterized in that: depositing dust, the heat transfer chain of described kiln body (1) afterbody is provided with 8-15 row, staggered 30 ° of layouts of rotation between per two rows.
6. a kind of production cement rotary kiln as claimed in claim 1 is characterized in that: the kiln lining of described kiln body (1) afterbody is concavo-convex alternate layout, and recessed lining (26) is a plain edition refractory brick, and protruding lining (27) is a heightening type refractory brick.
7. a kind of production cement rotary kiln as claimed in claim 6 is characterized in that: a described protruding lining (27) by lifting face is the high strength anti firebrick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202302681U CN201697450U (en) | 2010-06-06 | 2010-06-06 | Rotary kiln for producing cement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202302681U CN201697450U (en) | 2010-06-06 | 2010-06-06 | Rotary kiln for producing cement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201697450U true CN201697450U (en) | 2011-01-05 |
Family
ID=43398697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202302681U Expired - Fee Related CN201697450U (en) | 2010-06-06 | 2010-06-06 | Rotary kiln for producing cement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201697450U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589280A (en) * | 2012-03-05 | 2012-07-18 | 唐铁石 | Rotary kiln for calcining minerals |
| CN104499403A (en) * | 2014-12-18 | 2015-04-08 | 无锡华中科技有限公司 | Rotary coal powder furnace |
| CN105157377A (en) * | 2015-10-27 | 2015-12-16 | 张荣斌 | Fly ash drying machine |
| CN112212682A (en) * | 2020-10-09 | 2021-01-12 | 傅晓华 | Rotary kiln for cement production |
-
2010
- 2010-06-06 CN CN2010202302681U patent/CN201697450U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589280A (en) * | 2012-03-05 | 2012-07-18 | 唐铁石 | Rotary kiln for calcining minerals |
| CN104499403A (en) * | 2014-12-18 | 2015-04-08 | 无锡华中科技有限公司 | Rotary coal powder furnace |
| CN105157377A (en) * | 2015-10-27 | 2015-12-16 | 张荣斌 | Fly ash drying machine |
| CN105157377B (en) * | 2015-10-27 | 2018-06-12 | 张荣斌 | Flyash dryer |
| CN112212682A (en) * | 2020-10-09 | 2021-01-12 | 傅晓华 | Rotary kiln for cement production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20110606 |