CN201010322Y - Turning valve used for conveying semi-finished product in suspending kiln - Google Patents
Turning valve used for conveying semi-finished product in suspending kiln Download PDFInfo
- Publication number
- CN201010322Y CN201010322Y CNU2007200679234U CN200720067923U CN201010322Y CN 201010322 Y CN201010322 Y CN 201010322Y CN U2007200679234 U CNU2007200679234 U CN U2007200679234U CN 200720067923 U CN200720067923 U CN 200720067923U CN 201010322 Y CN201010322 Y CN 201010322Y
- Authority
- CN
- China
- Prior art keywords
- end cap
- main body
- rotovalve
- paddle shaft
- packing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011265 semifinished product Substances 0.000 title abstract 2
- 230000000295 complement effect Effects 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 20
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 20
- 239000004571 lime Substances 0.000 abstract description 20
- 238000007789 sealing Methods 0.000 abstract description 16
- 238000012856 packing Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 210000004907 gland Anatomy 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a rotary valve used for conveying of semi-finished products in suspended kilns. The rotary valve comprises a main body, end closures, a impeller shaft and packing sealing elements; wherein both ends of the main body are respectively provided with end closures, and a hollow cavity is left between the end closures and the main body; the impeller shaft is arranged in the middle of the main body; the impeller shaft passes through the main body and the end closures, respectively; both the impeller shaft and the end closures are provided with packing sealing elements; the rotary valve further comprises plane sealing elements which are respectively arranged on both sides of the main body. The plane sealing elements are gasket rings, which are arranged between the main body and the end closures, and the middle ring holes sheath on the impeller shaft. The rotary valve adopts the sealing combination of plane sealing elements with high temperature packing sealing elements, not only avoiding the leakage of powdery lime, reducing waste and times of maintenance downtime, and increasing the production efficiency, but also reducing facility loss, prolonging the service life of bearings, and increasing economic benefits. In addition, the working environment can be improved and the workers' health can be protected since the leakage of powdery lime is avoided.
Description
Technical field
The utility model relates to the load transfer device of the lime-roasting technology in metallurgical the smelting, more particularly, relates to the rotovalve that a kind of kiln half-blank that is used for suspending is carried, and this rotovalve can avoid powdered lime to leak by actv..
Background technology
In metallurgy is smelted, the steel-making output of steel is constantly soaring, Requirement Increases to lime and dolomite, in lime, dolomite production process, raw MAT'L need be through screening, and the following particle of 10mm is sized, use the suspension kiln plant to the feed particles of sieving as main material, carry out roasting powdering lime, use for sintering.The rotovalve that the kiln half-blank that is used for suspending is carried is the equipment that half-blank (powdered lime) is carried that carries out after firing in the suspension kiln, see also shown in Figure 1, this rotovalve 10 comprises body 11, end cap 12, paddle shaft 13 and packing_seal parts 14, the body two ends are respectively equipped with end cap 12, between end cap 12 and the body 11 because design problem, leave cavity, in the powder course of conveying, formed the hidden danger of leaking; Be provided with paddle shaft 13 in the middle of the body 11, paddle shaft 13 passes body 11 and end cap 12 respectively, paddle shaft 13 two ends also are respectively equipped with bearing 17, be provided with packing_seal parts 14 between paddle shaft 13 and the end cap 12, please in conjunction with shown in Figure 2, packing_seal parts 14 are the normal temperature sealing element, further comprise packing_seal chamber 141 and packing gland 142, be provided with gland packing in the packing_seal chamber 141, packing gland 142 is connected with end cap 12, and plays the sealing function to packing_seal chamber 141.During use, this rotovalve 10 carries out the transportation of lime powder by body 11 and paddle shaft 13, because body 10 and paddle shaft 13 is poorly sealed close, in course of conveying, has the part pulverized limestone to leak in the cavity between end cap 12 and the body 11.But in rotovalve 10 operational processs; because packing_seal chamber 141 rotatablely moves with paddle shaft 13; between be easy to generate friction; behind the friction certain hour, can cause 141 wearing and tearing of packing_seal chamber; produce gap and progressively expansion between packing_seal chamber 141 and the paddle shaft 13; the powdered lime that causes carrying leaks out from the gap; often caused the large quantities of lime powder to pile up; must shut down cleaning by the scheduling job personnel; not only wasted the lime powder; reduce work efficiency, reduced economic benefit.And the lime powder that leaks can influence the service life of the bearing on the paddle shaft.In addition the lime powder gross pollution of Guo Louing working environment, influence the healthy of operating personnel.
The utility model content
Leak, influence the shortcoming of paddle shaft life-span, contaminated environment easily at the above-mentioned powdered lime that exists in the prior art, the purpose of this utility model provides the rotovalve that a kind of kiln half-blank that is used for suspending is carried, this rotovalve is simple in structure, easy to use, can avoid powdered lime to leak by actv..
For achieving the above object, the utility model adopts following technical scheme:
The rotovalve that this kiln half-blank that is used for suspending is carried comprises body, end cap, paddle shaft and packing_seal parts, and the body two ends are respectively equipped with end cap, leave cavity between end cap and the body; Be provided with paddle shaft in the middle of the body, paddle shaft passes body and end cap respectively, is equipped with the packing_seal parts between paddle shaft and the end cap, and this rotovalve also comprises the face seal parts, and the face seal parts are located at the body two ends respectively.
Described face seal parts are seal ring, and seal ring is located between body and the end cap, and middle annular distance is enclosed within on the paddle shaft.
Described seal ring is designed to large and small two annulus, and the recess diameter of small circle ring external diameter and body is complementary, and the recess of an end and body offsets, and an end is connected with large circle; Large circle is located in the cavity between body and the end cap, and an end and body offset, and an end and end cap offset.
The annular distance diameter and the paddle shaft diameter of described seal ring are complementary.
In technique scheme, the rotovalve that the kiln half-blank that is used for suspending of the present utility model is carried is except comprising body, end cap, paddle shaft and packing_seal parts, and the body two ends are respectively equipped with end cap, leave cavity between end cap and the body; Be provided with paddle shaft in the middle of the body, paddle shaft passes body and end cap respectively, is equipped with the packing_seal parts between paddle shaft and the end cap, and this rotovalve also comprises the face seal parts, and the face seal parts are located at the body two ends respectively.The face seal parts are seal ring, and seal ring is located between body and the end cap, and middle annular distance is enclosed within on the paddle shaft.This rotovalve has adopted the incompatible half-blank that carries out of the seal group of face seal parts and high temperature packing_seal parts to carry; simple in structure; easy to use; not only avoid the leakage of powdered lime, cut the waste, reduced the number of times of arranging to shut down cleaning and maintenance; improved production efficiency; and reduce equipment loss, and prolonged the service life of bearing, increased economic benefit.The leakage of exempting from powdered lime in addition can improve working environment, has protected that the operating personnel's is healthy.
Description of drawings
Fig. 1 is the structure cross-sectional schematic of the rotovalve of prior art;
Fig. 2 is the local enlarged diagram of the rotovalve among Fig. 1;
Fig. 3 is the structure cross-sectional schematic of rotovalve of the present utility model;
Fig. 4 is the local enlarged diagram of the rotovalve among Fig. 3;
Fig. 5 is the structure cross-sectional schematic of the seal ring of rotovalve of the present utility model;
Fig. 6 is that scheme drawing is looked on the structure left side of the seal ring of rotovalve of the present utility model.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
See also shown in Figure 3, the rotovalve 20 that the kiln half-blank that is used for suspending of the present utility model is carried comprises body 21, end cap 22, paddle shaft 23 and packing_seal parts 24, body 21 both sides are respectively equipped with end cap 22, and end cap 22 is the circular ring type steel casting, leave cavity between end cap 22 and the body 21; Be provided with paddle shaft 23 in the middle of the body 21, paddle shaft 23 passes body 21 and end cap 22 respectively, and paddle shaft 23 two ends also are respectively equipped with bearing 27, are provided with packing_seal parts 24 between paddle shaft 23 and the end cap 22.See also shown in Figure 4, packing_seal parts 24 are elevated-temperature seal, further comprise packing_seal chamber 241 and packing gland 242, be provided with packing_seal chamber 241 in the space between the annular distance of end cap 22 and the paddle shaft 23, be provided with gland packing in the packing_seal chamber 241, packing gland 242 is connected by bolt 243 with end cap 22 and is fixing, and plays the sealing function to packing_seal chamber 241.Please again in conjunction with Fig. 3, shown in Figure 4, this rotovalve 20 also comprises face seal parts 25, and face seal parts 25 are located at body 21 both sides respectively.Face seal parts 25 are seal ring 26, use material to be made as the albronze of ZQAL9-4, and seal ring 26 is located between body 21 and the end cap 22, and middle annular distance is enclosed within on the paddle shaft 23.The Fig. 5, shown in Figure 6 that please rejoin, seal ring 26 is designed to large and small two annulus 261,262, and the recess diameter of small circle ring 262 external diameters and body 21 is complementary, and the recess of an end and body 21 offsets, and an end is connected with large circle 261; Large circle 261 is located in the cavity between body 21 and the end cap 22, and an end and body 21 offset, and an end and end cap 22 offset.Seal ring 26 presses by end cap or fixes by bolt (not shown) and end cap 22, body 21, does not rotate with paddle shaft 23, plays the sealing function to the powdered lime in the cavity between body 21 and the end cap 22.
During work, the face seal parts 25 of this rotovalve 20 play the ground floor sealing function, and high temperature packing_seal parts 24 play second layer sealing function, by these two kinds of sealing elements, form combination sealing, prevent the leakage of powdered lime.
The rotovalve that the kiln half-blank that is used for suspending of the present utility model is carried adopts combined sealing structure; can actv. prevent the leakage of powdered lime; improved working environment; reduced the unnecessary waste of product, be increased to 12 month or more by original 1.5 months the service life of bearing, reduced equipment downtime maintenance frequency; reduced the spare part loss; it is artificial to have reduced maintenance, has improved the work efficiency of suspension kiln, has increased economic benefit.
Claims (4)
1. rotovalve that the kiln half-blank that is used for suspending is carried, this rotovalve comprises body, end cap, paddle shaft and packing_seal parts, the body two ends are respectively equipped with end cap, leave cavity between end cap and the body; Be provided with paddle shaft in the middle of the body, paddle shaft passes body and end cap respectively, is equipped with the packing_seal parts between paddle shaft and the end cap, it is characterized in that:
This rotovalve also comprises the face seal parts, and the face seal parts are located at the body two ends respectively.
2. the rotovalve that the kiln half-blank that is used for suspending as claimed in claim 1 is carried is characterized in that:
Described face seal parts are seal ring, and seal ring is located between body and the end cap, and middle annular distance is enclosed within on the paddle shaft.
3. the rotovalve that the kiln half-blank that is used for suspending as claimed in claim 2 is carried is characterized in that:
Described seal ring is designed to large and small two annulus, and the recess diameter of small circle ring external diameter and body is complementary, and the recess of an end and body offsets, and an end is connected with large circle; Large circle is located in the cavity between body and the end cap, and an end and body offset, and an end and end cap offset.
4. the rotovalve that the kiln half-blank that is used for suspending as claimed in claim 2 is carried is characterized in that:
The annular distance diameter and the paddle shaft diameter of described seal ring are complementary.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200679234U CN201010322Y (en) | 2007-03-16 | 2007-03-16 | Turning valve used for conveying semi-finished product in suspending kiln |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200679234U CN201010322Y (en) | 2007-03-16 | 2007-03-16 | Turning valve used for conveying semi-finished product in suspending kiln |
Publications (1)
Publication Number | Publication Date |
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CN201010322Y true CN201010322Y (en) | 2008-01-23 |
Family
ID=39045261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200679234U Expired - Fee Related CN201010322Y (en) | 2007-03-16 | 2007-03-16 | Turning valve used for conveying semi-finished product in suspending kiln |
Country Status (1)
Country | Link |
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CN (1) | CN201010322Y (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102009825A (en) * | 2010-12-02 | 2011-04-13 | 三一重工股份有限公司 | Powder feeding device |
CN102126601A (en) * | 2010-12-20 | 2011-07-20 | 青岛博迈斯环保技术有限公司 | Superhigh temperature rotating valve |
CN103803305A (en) * | 2013-11-05 | 2014-05-21 | 大连四方佳特流体设备有限公司 | Double-sealed rotary valve |
CN103821939A (en) * | 2013-11-05 | 2014-05-28 | 大连四方佳特流体设备有限公司 | Dual-seal type rotary valve sealing mechanism |
CN105253552A (en) * | 2015-10-20 | 2016-01-20 | 无锡格莱德科技有限公司 | Sealing rotary valve |
-
2007
- 2007-03-16 CN CNU2007200679234U patent/CN201010322Y/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102009825A (en) * | 2010-12-02 | 2011-04-13 | 三一重工股份有限公司 | Powder feeding device |
CN102009825B (en) * | 2010-12-02 | 2012-09-05 | 三一重工股份有限公司 | Powder feeding device |
CN102126601A (en) * | 2010-12-20 | 2011-07-20 | 青岛博迈斯环保技术有限公司 | Superhigh temperature rotating valve |
CN102126601B (en) * | 2010-12-20 | 2013-08-28 | 青岛博迈斯环保技术有限公司 | Superhigh temperature rotating valve |
CN103803305A (en) * | 2013-11-05 | 2014-05-21 | 大连四方佳特流体设备有限公司 | Double-sealed rotary valve |
CN103821939A (en) * | 2013-11-05 | 2014-05-28 | 大连四方佳特流体设备有限公司 | Dual-seal type rotary valve sealing mechanism |
CN105253552A (en) * | 2015-10-20 | 2016-01-20 | 无锡格莱德科技有限公司 | Sealing rotary valve |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080123 Termination date: 20160316 |
|
CF01 | Termination of patent right due to non-payment of annual fee |