CN102853652A - Kiln head cover - Google Patents
Kiln head cover Download PDFInfo
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- CN102853652A CN102853652A CN2011101807372A CN201110180737A CN102853652A CN 102853652 A CN102853652 A CN 102853652A CN 2011101807372 A CN2011101807372 A CN 2011101807372A CN 201110180737 A CN201110180737 A CN 201110180737A CN 102853652 A CN102853652 A CN 102853652A
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- kiln head
- head cover
- lower cover
- upper outlet
- outlet body
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Abstract
The invention relates to a kiln head cover, in particular to a special kiln head cover for a rotary kiln. The kiln head cover comprises an upper cover body, a lower cover body is arranged under the upper cover body, wheels are disposed below the lower cover body, tracks are laid below the wheels, a sealing flange cover is arranged among the upper cover body, the lower cover body and a barrel and is respectively connected with the upper cover body, the lower cover body and a sealing plate, and refractory castable is arranged in the upper cover body and the lower cover body respectively. The kiln head cover is simple in structure, and processing and maintaining of the kiln head cover are greatly facilitated. Besides, owing to the kiln head cover in the mode, materials of the rotary kiln can be discharged quickly, smoothly and uniformly, and are not easy to block. In addition, problems of poor sealing performance, difficulty in maintenance, and the like in the prior art are solved.
Description
Technical field
The present invention relates to a kind of kiln head cover, relate in particular to a kind of kiln head cover of rotary kiln special use.
Background technology
In many production industries such as building materials, metallurgy, chemical industry, environmental protection, use widely revolving drum equipment that solid material is carried out machinery, physical or chemical treatment, this kind equipment is called as rotary kiln.Rotary kiln belongs to huge revolving cylindrical parts equipment, small angle inclination is installed, and during with low speed revolution operation, material is that the kiln tail end adds from the high-end of kiln, fuel is that the kiln hood end sprays into by the low side of kiln, flue gas is by high-end discharge, and along with the revolution of kiln cylinder body, material is moving when circumferentially rolling vertically in the kiln, material is in moving process, obtain heating by the countercurrent flow with thermal current, through physics and chemical change, become qualified products and draw off from low side.
The application of rotary kiln is extensive, and kind is also a lot.Different rotary kilns, its structure also is not quite similar, but for the rotary kiln body, mainly is comprised of several parts such as kiln head cover, cylindrical shell, bracing or strutting arrangement, transmission device, kiln hoods.Wherein kiln head cover is the intermediate that connects next procedure equipment in kiln hood end and the flow process, plays the blanking effect.Between static kiln head cover and rotating cylindrical shell, sealing device is arranged, claim the kiln hood sealing.Burner and burning required air enter kiln through kiln head cover, and kiln head cover is provided with peephole and access door, is to see that the firer carries out the place of production operation.
There are some problems in kiln head cover version at present.The one, the material that old-fashioned kiln head cover feed opening form can cause calcining is from tumbling to the kiln head cover bottom along kiln head cover one side castable refractory after the cylindrical shell outflow, because feed opening is positioned at kiln head cover bottom centre, so material can flow out to the feeding chute from a side of feed opening, cause blanking velocity slow, cause easily blanking to be piled up and stop up.Can cause simultaneously the long-term side castable refractory rapid wear that contacts with material of kiln head cover, thereby affect the production of rotary kiln.And do not establish at the feed opening place and to drag for the slag door, cause bulk impurity to pull difficulty out.The 2nd, seal form is complicated, and sealing effectiveness is relatively poor, causes difficulty for installation and maintenance.
Summary of the invention
The invention provides a kind of kiln head cover in order to solve the problems of the technologies described above, purpose is the problems such as the solution blanking is obstructed, and blanking is inhomogeneous, and sealing is poor.
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions: kiln head cover, comprise upper outlet body, the below of upper outlet body is provided with lower cover, is provided with wheel below lower cover, and track is laid in the wheel below, be located at the sealing flange cover between upper outlet body and lower cover and the cylindrical shell, the sealing flange cover links to each other with lower cover with upper outlet body, and the sealing flange cover is connected with diaphragm seal, in upper outlet body and lower cover castable refractory is installed.
Described upper outlet body top is provided with temperature of kiln head sensor flange and takes over.
Described upper outlet body top is provided with kiln hood pressure sensor flange connecting pipe.
Described upper outlet body front is provided with calcining belt temperature and detects baffle plate.
Described lower cover is fixedly connected with upper outlet body by bolt, packing ring and nut.
Be provided with access door in the middle of the described described lower cover.
Described access door is provided with peep hole.
The top of described lower cover is provided with flame and detects the hole.
The bottom of described lower cover is provided with drags for the slag door.
Described lower cover is provided with feed opening, and feed opening and kiln head cover center are arranged off-centre.
Described wheel links to each other with lower cover with nut by bolt, packing ring.
Described wheel is fixing in orbit by retainer.
Described sealing flange cover links together by bolt, packing ring and nut and upper outlet body and lower cover.
Described diaphragm seal links together by bolt, packing ring and nut and sealing flange cover, and wear ring fits tightly together on diaphragm seal and the cylindrical shell.
Advantageous effect of the present invention: the present invention is simple in structure, safe and reliable, it is requisite important step in the rotary kiln, kiln head cover feed opening and kiln head cover eccentric setting and novel sealing structure, blanking and the sealing condition of original kiln head cover have greatly been improved, blanking velocity is improved greatly, satisfied the large requirement of rotary kiln production capacity; Increased and dragged for the slag door, made things convenient for from feed opening and pulled various bulk impurity out.Various sensor interfaces are abundant simultaneously, for the control of rotary kiln is laid a good foundation.Because the present invention is simple in structure, greatly facilitates processing and the maintenance of kiln head cover.Kiln head cover form of the present invention is so that rotary kiln baiting speed is fast, and blanking is unobstructed, even, is difficult for stopping up.Solved problems such as in the past sealing relatively poor, maintenance difficulty.
Description of drawings
Fig. 1 is installation diagram of the present invention.
Fig. 2 is Fig. 1 left view.
Fig. 3 is the position view of rotary kiln feed opening center line and the hot operating point of rotary kiln.
Fig. 4 is material distribution map in the cylindrical shell.
Fig. 5 is the I section enlarged drawing among Fig. 1.
Fig. 6 is diaphragm seal installation form figure.
Among the figure 1, upper outlet body; 2, lower cover; 3, wheel; 4, track; 5, sealing flange cover; 6, diaphragm seal; 7, castable refractory; 8, temperature sensor flange connecting pipe; 9, pressure sensor flange connecting pipe; 10, calcining belt temperature detects baffle plate; 11, bolt; 12, packing ring; 13, nut; 14, access door; 15, peep hole; 16, flame detects the hole; 17, drag for the slag door; 18, feed opening; 19, retainer; 20, wear ring; 21, material; 22, kiln head cover feed opening center line; 23, sensor vertical center line; 24, the hot operating point of rotary kiln.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail, but protection scope of the present invention is not limit by embodiment.
Kiln head cover of the present invention as shown in the figure, comprise upper outlet body 1, the below of upper outlet body 1 is provided with lower cover 2, below lower cover 2, be provided with wheel 3, track 4 is laid in wheel 3 belows, is located at the sealing flange cover 5 between upper outlet body 1 and lower cover 2 and the cylindrical shell, and sealing flange cover 5 links to each other with lower cover 2 with upper outlet body 1, sealing flange cover 5 is connected with diaphragm seal 6, at upper outlet body 1 and lower cover 2 interior installation castable refractories 7.
Position shown in sensor vertical center line 23 among Fig. 1, upper outlet body 1 top is provided with temperature of kiln head sensor flange and takes over 8, be provided with kiln hood pressure sensor flange connecting pipe 9 as giving among Fig. 1 with upper outlet body 1 top in position shown in the angled center line of sensor vertical center line 23, upper outlet body 1 front is provided with calcining belt temperature and detects baffle plate 10, lower cover 2 is by bolt 11, packing ring 12 is fixedly connected with upper outlet body 1 with nut 13, be provided with access door 14 in the middle of the lower cover 2, access door 14 is provided with peep hole 15, the top of lower cover 2 is provided with flame and detects hole 16, the bottom of lower cover 2 is provided with drags for slag door 17, lower cover 2 is provided with feed opening 18, feed opening 18 is arranged off-centre with the kiln head cover center, makes things convenient for blanking; Wheel 3 links to each other with lower cover 2 with nut by bolt, packing ring, and wheel 3 is fixed on the track 4 by retainer 19; Sealing flange cover 5 links together by bolt, packing ring and nut and upper outlet body 1 and lower cover 2; Diaphragm seal 6 links together by bolt, packing ring and nut and sealing flange cover 5, and wear ring 20 fits tightly together on diaphragm seal 6 and the cylindrical shell.
Operation principle of the present invention is as follows: in rotary kiln normal operation, it is desirable design conditions in the engineering practice that material 21 is in the state of tumbling.The particle on bed of material surface tumbles to low side endlessly from the high-end of the bed of material, and form a stable mobile layer, mobile layer can axially move down along rotary kiln, and in the lower stationary layer, almost there is not relative motion between material and kiln wall, material only rotates, and can not produce any axial displacement.When this state, can fully mix between material particles, and can carry out strong heat exchange with flue gas on every side, it is comparatively even that material is heated, and improved burning quality, and the carbonaceous scaling loss is also relatively low simultaneously.The material tomography forms bowed shape in cylindrical shell as shown in Figure 4, can see that from Fig. 4 material center of gravity and kiln head cover feed opening center line 22 overlap, and most of material directly flows out from feed opening, has accelerated blanking velocity, so that blanking is unobstructed, even.Wear ring close contact on diaphragm seal and the cylindrical shell has improved the sealing conditions such as original graphite annulus sealing, labyrinth seal as illustrated in Figures 5 and 6, so that sealing is tighter.The relation between rotary kiln baiting mouth center line, the hot operating point 24 of rotary kiln and the rotary kiln cold conditions operating point as can be seen from Figure 3, thus can determine mounting distance between kiln head cover and the cylindrical shell.
Claims (14)
1. kiln head cover, comprise upper outlet body, the below that it is characterized in that upper outlet body is provided with lower cover, below lower cover, be provided with wheel, track is laid in the wheel below, is located at the sealing flange cover between upper outlet body and lower cover and the cylindrical shell, and the sealing flange cover links to each other with lower cover with upper outlet body, the sealing flange cover is connected with diaphragm seal, in upper outlet body and lower cover castable refractory is installed.
2. kiln head cover according to claim 1 is characterized in that described upper outlet body top is provided with temperature of kiln head sensor flange and takes over.
3. kiln head cover according to claim 1 is characterized in that described upper outlet body top is provided with kiln hood pressure sensor flange connecting pipe.
4. kiln head cover according to claim 1 is characterized in that described upper outlet body front is provided with calcining belt temperature and detects baffle plate.
5. kiln head cover according to claim 1 is characterized in that described lower cover is fixedly connected with upper outlet body by bolt, packing ring and nut.
6. kiln head cover according to claim 1 is characterized in that being provided with access door in the middle of the described described lower cover.
7. kiln head cover according to claim 6 is characterized in that described access door is provided with peep hole.
8. kiln head cover according to claim 1 is characterized in that the top of described lower cover is provided with flame detection hole.
9. kiln head cover according to claim 1, the bottom that it is characterized in that described lower cover is provided with drags for the slag door.
10. kiln head cover according to claim 1 is characterized in that described lower cover is provided with feed opening, and feed opening and kiln head cover center are arranged off-centre.
11. kiln head cover according to claim 1 is characterized in that described wheel links to each other with lower cover with nut by bolt, packing ring.
12. kiln head cover according to claim 1 is characterized in that described wheel is fixing in orbit by retainer.
13. kiln head cover according to claim 1 is characterized in that described sealing flange cover links together by bolt, packing ring and nut and upper outlet body and lower cover.
14. kiln head cover according to claim 1 is characterized in that described diaphragm seal links together by bolt, packing ring and nut and sealing flange cover, wear ring fits tightly together on diaphragm seal and the cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101807372A CN102853652A (en) | 2011-06-30 | 2011-06-30 | Kiln head cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101807372A CN102853652A (en) | 2011-06-30 | 2011-06-30 | Kiln head cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102853652A true CN102853652A (en) | 2013-01-02 |
Family
ID=47400463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101807372A Pending CN102853652A (en) | 2011-06-30 | 2011-06-30 | Kiln head cover |
Country Status (1)
| Country | Link |
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| CN (1) | CN102853652A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222579A (en) * | 2014-06-20 | 2016-01-06 | 池州博瑞德钙业有限公司 | A kind of kiln tail sealing device |
| CN105300065A (en) * | 2015-11-18 | 2016-02-03 | 焦作市真节能干燥设备研发有限公司 | Special dryer for electroplating |
| CN105387717A (en) * | 2015-11-30 | 2016-03-09 | 江苏立宇环境科技有限公司 | Rotary kiln feeding hood |
| CN109539778A (en) * | 2018-12-26 | 2019-03-29 | 中冶焦耐(大连)工程技术有限公司 | A kind of rotary kiln elastic sealing structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173683Y (en) * | 2007-12-26 | 2008-12-31 | 山东山水水泥集团有限公司 | Sealing device |
| JP2010127607A (en) * | 2008-12-01 | 2010-06-10 | Nikko Co Ltd | Rotary kiln |
| CN201706882U (en) * | 2010-05-04 | 2011-01-12 | 大城县正通密封件制造有限公司 | Flexible bidirectional rolling type sealing structure of rotary kiln |
| CN102102945A (en) * | 2009-12-22 | 2011-06-22 | 贵阳铝镁设计研究院 | Kiln head cover of rotary kiln |
| CN201885550U (en) * | 2010-12-09 | 2011-06-29 | 贵阳铝镁设计研究院 | Kiln head cover for rotary kiln |
-
2011
- 2011-06-30 CN CN2011101807372A patent/CN102853652A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173683Y (en) * | 2007-12-26 | 2008-12-31 | 山东山水水泥集团有限公司 | Sealing device |
| JP2010127607A (en) * | 2008-12-01 | 2010-06-10 | Nikko Co Ltd | Rotary kiln |
| CN102102945A (en) * | 2009-12-22 | 2011-06-22 | 贵阳铝镁设计研究院 | Kiln head cover of rotary kiln |
| CN201706882U (en) * | 2010-05-04 | 2011-01-12 | 大城县正通密封件制造有限公司 | Flexible bidirectional rolling type sealing structure of rotary kiln |
| CN201885550U (en) * | 2010-12-09 | 2011-06-29 | 贵阳铝镁设计研究院 | Kiln head cover for rotary kiln |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222579A (en) * | 2014-06-20 | 2016-01-06 | 池州博瑞德钙业有限公司 | A kind of kiln tail sealing device |
| CN105300065A (en) * | 2015-11-18 | 2016-02-03 | 焦作市真节能干燥设备研发有限公司 | Special dryer for electroplating |
| CN105300065B (en) * | 2015-11-18 | 2019-02-12 | 焦作市真节能干燥设备研发有限公司 | Dedicated drying machine is electroplated |
| CN105387717A (en) * | 2015-11-30 | 2016-03-09 | 江苏立宇环境科技有限公司 | Rotary kiln feeding hood |
| CN109539778A (en) * | 2018-12-26 | 2019-03-29 | 中冶焦耐(大连)工程技术有限公司 | A kind of rotary kiln elastic sealing structure |
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Application publication date: 20130102 |