CN202595164U - Centering and locking device of coal injection gun - Google Patents
Centering and locking device of coal injection gun Download PDFInfo
- Publication number
- CN202595164U CN202595164U CN 201220257203 CN201220257203U CN202595164U CN 202595164 U CN202595164 U CN 202595164U CN 201220257203 CN201220257203 CN 201220257203 CN 201220257203 U CN201220257203 U CN 201220257203U CN 202595164 U CN202595164 U CN 202595164U
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- China
- Prior art keywords
- centering
- coal injection
- injection gun
- housing
- coal
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- 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
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Abstract
The utility model provides a centering and locking device of a coal injection gun. The centering and locking device is provided with a pair of centering pieces which are driven by a double-end screw, wherein the coal injection gun can be locked when the centering pieces are gathered; and the centering and locking device means that a fixing point is added for the coal injection gun, the natural vibration frequency of the coal injection gun can be changed, the length of a cantilever of the coal injection gun can be reduced, the vibration amplitude of the coal injection gun can be reduced, and the generation of resonance of the coal injection gun can be removed. Since the centering and locking device disclosed by the utility model has a centering function for the coal injection gun, compared with the situations that the traditional coal injection gun has only one fixing point and the lowering of the traditional coal injection gun can be easily caused, the centering and locking device disclosed by the utility model has the advantages that the gun inserting center position in a centering belly pipe of the coal injection gun can be ensured, and the risk that an air inlet is abraded by coal powders can be reduced.
Description
Technical field
The utility model belongs to technical field of blast furnace ironmaking, relates to furnace coal spraying technology, in particular for the centering locking latches of coal powder lance for blast furnace.
Background technology
As everyone knows, be used for the coal spouting gun of pulverized coal injection in blast furnace, heat resisting pipe that does not have or safeguard procedures are arranged slightly normally, it inserts in the belly pipe from plugging in the rifle hole path, leans on a tightness system of its tail end to fix, and is to be in cantilever position.In blast furnace production process, because coal spouting gun has only a point of fixity to fix, and is in cantilever position, therefore, under the blowing of hot blast, coal spouting gun is to vibrate by what certain frequency continued all the time.
In recent years, along with the stove wind-warm syndrome of going into of blast furnace improves, in order to ensure the work-ing life of coal spouting gun, large blast furnace begins progressively to make air-cooled bilayer sleeve coal spraying rifle.This coal spouting gun diameter is bigger, in belly pipe, is blown by hot blast, and it vibrates aggravation.Especially from now on blast furnace will be after generally adopting the coal powder injection burner, because the weight of burner self can make the coal spouting gun that is in cantilever position sagging, add the artificial reasons such as rifle is inaccurate of inserting; Can make the fin of burner can not be parallel with the belly pipe medullary ray; Therefore coal spouting gun vibration aggravation can be caused more, when serious, the coal spouting gun resonance effect will be occurred; Cause the blast furnace blowing operational difficulty, and possibly cause the air port wearing and tearing.
Except that above-mentioned situation, because coal spouting gun has only a point of fixity, and is in cantilever position, this makes coal spouting gun make its nose drop because of own wt, causes coal spouting gun to be difficult to the center of collimation blowpipe.When coal spouting gun is difficult to collimation blowpipe central position, coal dust easy abrasion air port.
The utility model content
A kind of coal spouting gun centering locking latches that the utility model proposes, being intended to increases a point of fixity to coal spouting gun, changes the coal spouting gun natural vibration frequency, reduces Oscillation Amplitude, eliminates the generation of above-mentioned resonance effect; Simultaneously, make the coal spouting gun plug in rifle central position of centering more easily, lower the danger in coal dust wearing and tearing air port.
A kind of coal spouting gun centering locking latches is made up of housing, last centering piece, following centering piece, double threaded screw, guide rod, positioning element, seal assembly, handle at least.In housing, last centering piece is passed by the double threaded screw of parallel installation and guide rod respectively with following centering piece, and double threaded screw and the guide rod part that is positioned is fixed on the housing; Double threaded screw has an end to stretch out outside the housing, is sealed by seal assembly; Handle of end outside double threaded screw is exposed to housing welding, turning handle, double threaded screw can converge with following centering piece or separates going up centering piece.
Above-mentioned housing, its outside two ends all are connected to short tube and flange, can be convenient for changing as single equipment.
Above-mentioned housing, its outside termination has short tube and flange, and the other end is to be combined into one with ball valve, conveniently to make and to dwindle installation dimension.
Above-mentioned housing, its outside termination has short tube and flange, and the other end is that the plug in rifle hole inlet duct with belly pipe joins, and utilizes the existing belly pipe finite space to greatest extent with convenient, makes the contraction in length of coal spouting gun cantilever.
Above-mentioned last centering piece and following centering piece, its hole that contacts with double threaded screw is threaded, and its contact coal spouting gun one side has tiger, and this tiger is central position arranged off-centre or that be arranged in length direction.
Above-mentioned double threaded screw, screw thread one side of its both sides is left-handed, opposite side is dextrorotation.
The beneficial effect of the utility model is:
(1) the coal spouting gun centering locking latches of the utility model proposition; Under the situation of rotary handle locking coal spouting gun; Being equivalent to increases a point of fixity to coal spouting gun, can change the natural vibration frequency of coal spouting gun, reduces the length of coal spouting gun cantilever; Lower the Oscillation Amplitude of coal spouting gun, the resonance that can eliminate coal spouting gun takes place.
(2) the coal spouting gun centering locking latches of the utility model proposition; Has the centering function; Have only a point of fixity, cause the sagging situation of coal spouting gun to compare easily with existing coal spouting gun; The utility model can be guaranteed the plug in rifle central position in the coal spouting gun collimation blowpipe, lowers the danger in coal dust wearing and tearing air port.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model, is the A-A cross sectional view of Fig. 2.
Fig. 2 is the synoptic diagram of the utility model embodiment 1.
Fig. 3 is the utility model centering locking state synoptic diagram.
Fig. 4 is the synoptic diagram of the utility model embodiment 2.
Fig. 5 is the synoptic diagram of embodiment 3
In figure, 1 be coal spouting gun, and 2 be housing, and 3 be positioning element, and 4 be last centering piece, 5 be under centering piece, 6 is double threaded screw, 7 is guide rod, 8 is seal assembly, 9 is handle, 10 is short tube, 11 is flange, 12 is ball valve, 13 is belly pipe, 14 is plug in rifle hole inlet duct.
Embodiment
As shown in Figure 1, coal spouting gun centering locking latches is made up of housing 2, strongback 3, last centering piece 4, following centering piece 5, double threaded screw 6, guide rod 7, seal assembly 8, handle 9 at least.In housing 2, last centering piece 4 is passed with guide rod 7 by the double threaded screw 6 of parallel installation respectively with following centering piece 5, and double threaded screw 6 and guide rod 7 quilts two positioning elements 3 up and down are fixed on the housing 2; Double threaded screw 6 has an end to stretch out outside the housing 2, by seal assembly 8 sealings; Handle 9 of end outside double threaded screw 6 is exposed to housing 2 welding, turning handle 9, double threaded screw 6 can converge with following centering piece 5 or separates going up centering piece 4.
As shown in Figure 3, last centering piece 4 converges with following centering piece 5, with coal spouting gun 1 locking.As shown in Figure 1, when last centering piece 4 was opened with following centering piece in 5 minutes, can make coal spouting gun 1 pass the utility model device.
As shown in Figure 2, in housing 2 outsides, its both sides all are connected to short tube 10 and flange 11.At this moment, coal spouting gun centering locking latches is to make as single equipment, to be convenient for changing.
As shown in Figure 4, in housing 2 outsides, the one of which side joint has short tube 10 and flange 11, and opposite side is to be combined into one with ball valve 12.At this moment, coal spouting gun centering locking latches is the part of ball valve, and this can conveniently make and dwindle installation dimension.
As shown in Figure 5, in housing 2 outsides, the one of which side joint has short tube 10 and flange 11, and opposite side is that the plug in rifle hole inlet duct 14 with belly pipe 13 joins.At this moment, coal spouting gun centering locking latches is the part of belly pipe 13, and this convenient utilization to greatest extent has limited space under the belly pipe size now, and the length of coal spouting gun 1 cantilever is contracted to the shortest.
As shown in Figure 3, last centering piece 4 is threaded with the hole that following centering piece 5 contacts with double threaded screw 6, and the hole that contacts with guide rod is a circular hole.Last centering piece 4 contacts coal spouting gun 1 one sides with following centering piece 5 and has tiger, and this tiger is central position arranged off-centre or that be arranged in length direction.
As shown in Figure 3, the screw thread of the both sides of double threaded screw, a side is left-handed, opposite side is dextrorotation.
Figure of description 1 is a Figure of abstract.In the specification sheets, described coal spouting gun 1, belly pipe 13 and plug in rifle hole inlet duct 14 thereof are prior art contents.
Claims (5)
1. coal spouting gun centering locking latches; At least form by housing, last centering piece, following centering piece, double threaded screw, guide rod, positioning element, seal assembly, handle; It is characterized in that: in housing; Last centering piece is passed by the double threaded screw of parallel installation and guide rod respectively with following centering piece, and double threaded screw and the guide rod part that is positioned is fixed on the housing; Double threaded screw has an end to stretch out outside the housing, is sealed by seal assembly; Handle of end outside double threaded screw is exposed to housing welding, turning handle, double threaded screw can converge with following centering piece or separates going up centering piece.
2. coal spouting gun centering locking latches according to claim 1 is characterized in that: described housing, its outside two ends all are connected to short tube and flange.
3. coal spouting gun centering locking latches according to claim 1 is characterized in that: described housing, and its outside termination has short tube and flange, and the other end is to be combined into one with ball valve.
4. coal spouting gun centering locking latches according to claim 1 is characterized in that: described housing, and its outside termination has short tube and flange, and the other end is that the plug in rifle hole inlet duct with belly pipe joins.
5. coal spouting gun centering locking latches according to claim 1 is characterized in that: described centering piece and the following centering piece gone up, and its contact coal spouting gun one side has tiger, and the center of tiger is central position arranged off-centre or that be arranged in length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257203 CN202595164U (en) | 2012-06-01 | 2012-06-01 | Centering and locking device of coal injection gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257203 CN202595164U (en) | 2012-06-01 | 2012-06-01 | Centering and locking device of coal injection gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202595164U true CN202595164U (en) | 2012-12-12 |
Family
ID=47312718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220257203 Expired - Fee Related CN202595164U (en) | 2012-06-01 | 2012-06-01 | Centering and locking device of coal injection gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202595164U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451336A (en) * | 2012-06-01 | 2013-12-18 | 张昭贵 | Coal spraying gun centering locking apparatus |
| CN105605928A (en) * | 2016-03-16 | 2016-05-25 | 青岛源之林农业科技开发有限公司 | Ore smelting hole-pulling dredging device |
| CN105605927A (en) * | 2016-03-16 | 2016-05-25 | 青岛源之林农业科技开发有限公司 | Ore smelting hole-pulling dredging device |
| CN109604915A (en) * | 2019-02-22 | 2019-04-12 | 滁州市超顺装备科技有限公司 | A kind of sheet metal component with welding aligning guide |
-
2012
- 2012-06-01 CN CN 201220257203 patent/CN202595164U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451336A (en) * | 2012-06-01 | 2013-12-18 | 张昭贵 | Coal spraying gun centering locking apparatus |
| CN105605928A (en) * | 2016-03-16 | 2016-05-25 | 青岛源之林农业科技开发有限公司 | Ore smelting hole-pulling dredging device |
| CN105605927A (en) * | 2016-03-16 | 2016-05-25 | 青岛源之林农业科技开发有限公司 | Ore smelting hole-pulling dredging device |
| CN109604915A (en) * | 2019-02-22 | 2019-04-12 | 滁州市超顺装备科技有限公司 | A kind of sheet metal component with welding aligning guide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUXI SHILONG ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHANG ZHAOGUI Effective date: 20140124 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 401120 YUBEI, CHONGQING TO: 214135 WUXI, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140124 Address after: Taihu international science and Technology Park in Jiangsu province Wuxi City Qingyuan Road 214135 No. 20 business building E106 Patentee after: WUXI SHILONG ENERGY SCIENCE & TECHNOLOGY CO., LTD. Address before: 401120 2 New International Plaza 68, Jin Yu Avenue, 4-9 North Chongqing New District, Yubei District Patentee before: Zhang Zhaogui |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20150601 |
|
| EXPY | Termination of patent right or utility model |