CN106122546A - Quickly regulate blast furnace gas discharge valve and the operational approach thereof of counterweight - Google Patents
Quickly regulate blast furnace gas discharge valve and the operational approach thereof of counterweight Download PDFInfo
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- CN106122546A CN106122546A CN201610705223.7A CN201610705223A CN106122546A CN 106122546 A CN106122546 A CN 106122546A CN 201610705223 A CN201610705223 A CN 201610705223A CN 106122546 A CN106122546 A CN 106122546A
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- weight
- weight block
- eccentricity balance
- location
- blast furnace
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/12—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side weight-loaded
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/002—Evacuating and treating of exhaust gases
- C21B7/005—Bleeder valves or slides
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The invention discloses blast furnace gas discharge valve and the operational approach thereof of quickly regulation counterweight, it includes valve body, front and back two weight linear meters, former and later two location-plates and several balancing weights, and described balancing weight top heavy, for eccentricity balance-weight block.Wherein, one end of eccentricity balance-weight block lighter in weight is provided with installing hole, and pull rod shaft passes from installing hole, and front and back two weight linear meters are respectively fitted over two ends before and after pull rod shaft, and pass through nut check.One end of eccentricity balance-weight block heavier-weight is provided with hole, location, alignment pin passes from hole, to front and back couple together by several eccentricity balance-weight blocks, front and back two pieces of location-plates are separately positioned on the outside of the most front and last two eccentricity balance-weight block, front and back two pieces of location-plates are enclosed within pull rod shaft and alignment pin simultaneously, and by nut check on alignment pin 5 axle.The present invention, in the case of furnace top pressure changes, adjusts L by adjusting the position of rotation of eccentricity balance-weight blockCounterweightValue, thus reach adjust moment size.
Description
Technical field
The present invention relates to the blast furnace gas discharge valve of a kind of quick regulation counterweight.
Background technology
Diffusion valve is the key equipment of blast furnace raw gas diffusion system, is arranged on coal gas tedge top section.It is main
Function is: when blast furnace staying, and diffusion valve is opened, and diffuses furnace pressure.It addition, blast furnace and installations and facilities are also acted as by diffusion valve
The effect of safeguard protection, when furnace top pressure exceedes setting pressure, diffusion valve automatically turns on.In the work process of diffusion valve,
The weight of counter weight device is the most crucial, its weight have to the complete equipilibrium blast furnace top pressure thrust to valve gap, and to have one
Determining surplus capacity, but surplus capacity can not be excessive, if excessive, diffusion valve hydraulic cylinder is accomplished by strengthening, and improves driving force, otherwise valve
Lid is difficult to open.
As can be seen here, the weight of counter weight device depends primarily on blast furnace top pressure, but furnace top pressure the most steady
Fixed, it can be continually changing along with the change of the working of a furnace, and such as blast furnace is gone into operation the initial stage, and furnace top pressure is less, blast furnace full production
Time furnace top pressure relatively big, so being accomplished by the weight of balancing weight is adjusted.But this adjustment is narrow and small and be in
High aerial furnace roof is highly difficult, either reduces that to be also to increase balancing weight the most pretty troublesome, especially increases balancing weight, needs
Balancing weight is transported to furnace roof from ground, and labor intensity is the biggest.
Summary of the invention
Problem to be solved by this invention is to provide blast furnace gas discharge valve and the operation side thereof of a kind of quick regulation counterweight
Method, in the case of furnace top pressure changes, can be adjusted counter weight device easily, and balancing weight need to be decreased or increased,
Labor intensity is little.
The present invention quickly regulates the blast furnace gas discharge valve of counterweight, it include valve body, front and back two weight linear meters, former and later two
Location-plate and several balancing weights, described balancing weight top heavy, for eccentricity balance-weight block.
Further, one end of eccentricity balance-weight block lighter in weight is provided with installing hole, and pull rod shaft passes from installing hole, front and back
Two weight linear meters are respectively fitted over two ends before and after pull rod shaft, and pass through nut check.
Further, one end of eccentricity balance-weight block heavier-weight is provided with hole, location, and alignment pin passes from hole, will front and back
Several eccentricity balance-weight blocks couple together, and front and back two pieces of location-plates are separately positioned on the most front and last two eccentricity balance-weight block
Outside, front and back two pieces of location-plates are enclosed within pull rod shaft and alignment pin simultaneously, and by nut check in alignment pin.
Further, front and back two pieces of location-plates are arranged symmetrically with.
Further, the hole, location on eccentricity balance-weight block is preferably three holes, and a hole in the middle of it is at eccentricity balance-weight block
Symmetrical center line on, other two apertures is symmetrical arranged relative to interstitial hole；Front and back it is preferably hole, three location, its position on location-plate
Put corresponding with three position of positioning hole on eccentricity balance-weight block.
Further, eccentricity balance-weight block is preferably at least two pieces.
Further, the upper end of eccentricity balance-weight block is provided with suspension ring.
The operational approach of blast furnace gas discharge valve of the present invention, when blast furnace top pressure becomes big, first extracts alignment pin out,
Eccentricity balance-weight block is rotated to away from pin joint direction, after being rotated in place, by alignment pin 5 through location-plate and eccentricity balance-weight block
On hole, location it is positioned, now increase the trimming moment to valve gap；When blast furnace top pressure diminishes, first take out
Go out alignment pin, eccentricity balance-weight block is rotated towards pin joint direction, after being rotated in place, by alignment pin through location-plate with inclined
It is positioned by the hole, location on heart balancing weight, now reduces the trimming moment to valve gap.
It can thus be seen that along with the rotation of eccentricity balance-weight block, the long L of the arm of force of the center of gravity of eccentricity balance-weight block to pin jointCounterweight
Changing the most therewith, moment changes therewith.So, the present invention is in the case of furnace top pressure changes, by adjusting eccentricity balance-weight block
Position of rotation adjust LCounterweightValue, thus reach adjust moment size, it is achieved that adjust quickly and easily.Therefore the present invention
Without balancing weight is decreased or increased, labor intensity is little.
Accompanying drawing explanation
Fig. 1 is the front view of eccentricity balance-weight block original state of the present invention；
Fig. 2 is the eccentricity balance-weight block of the present invention front view to anticlockwise；
Fig. 3 is the dextrorotary front view of eccentricity balance-weight block of the present invention；
Fig. 4 is the top view of the present invention.
Detailed description of the invention
With detailed description of the invention, the present invention is done further detailed description below in conjunction with the accompanying drawings.
The operation principle of blast furnace gas discharge valve of the present invention is:
If furnace roof pressure is PFurnace roof(unit: Pa),
The area of valve gap is SLid(unit: m2),
Bonnet central is to the long L of the arm of force of pin jointValve gap(unit: m),
Eccentricity balance-weight block center of gravity is to the long L of the arm of force of pin jointCounterweight(unit: m) figure is expressed as L,
Eccentricity balance-weight block weight is mCounterweight(unit: kg),
After ignoring weight linear meter weight, draw:
mCounterweightg*LCounterweight>PFurnace roof*SLid*LValve gap.Only in this way, diffusion valve valve gap ability normal switching-off, but mCounterweightg*LCounterweightThe most not
Can be excessive, cross conference and cause hydraulic cylinder cannot open valve gap.
Owing to thrust hydraulic cylinder is certain, when furnace top pressure changes greatly, it is necessary to mCounterweightg*LCounterweightValue carry out
Adjusting, tradition diffusion valve is to balancing weight mCounterweightAdding and subtracting, the present invention is then to LCounterweightValue be adjusted.
The concrete technical scheme of the present invention is as follows:
Embodiment 1
As it can be seen, the present invention quickly regulates the blast furnace gas discharge valve of counterweight, it includes valve body 1, front and back two counterweights
Bar 2, location-plate 3 and several balancing weights 4, described balancing weight top heavy, for eccentricity balance-weight block.
Embodiment 2
One end of eccentricity balance-weight block 4 lighter in weight is provided with installing hole, and pull rod shaft 6 passes from installing hole, front and back joins for two
Weight bar 2 is respectively fitted over two ends before and after pull rod shaft 6, and passes through nut check.
After eccentricity balance-weight block 4 is sleeved on pull rod shaft 6, can rotate with this pull rod shaft 6 for the center of circle.
Embodiment 3
One end of eccentricity balance-weight block 4 heavier-weight be provided with location hole, alignment pin 5 passes from hole, will front and back several
Eccentricity balance-weight block 4 couples together, and front and back two pieces of location-plates 3 are separately positioned on outside the most front and last two eccentricity balance-weight block 4
Side, front and back two pieces of location-plates 3 are enclosed within pull rod shaft 6 and alignment pin 5 simultaneously, and by nut check in alignment pin 5.
Embodiment 4
In the above-described embodiments, front and back two pieces of location-plates 3 are arranged symmetrically with.
Embodiment 5
Hole, location on eccentricity balance-weight block 4 is preferably three holes, and a hole in the middle of it is in the symmetry of eccentricity balance-weight block 4
On heart line, other two apertures is symmetrical arranged relative to interstitial hole；Front and back being preferably hole, three location on location-plate 3, its position is with inclined
Three position of positioning hole on heart balancing weight 4 are corresponding.
Embodiment 6
Eccentricity balance-weight block 4 is preferably at least two pieces.Its reason is as follows: monolithic balancing weight preponderance, is not easy to operation, and
Polylith balancing weight can be finely adjusted.Arranging as a example by three position of rotation by balancing weight, single balancing weight can only be parked in three positions
Put, only third gear moment output, and polylith balancing weight can distinguish single adjustment, after permutation and combination, many grades of moments can be had defeated
Go out.
Embodiment 7
The upper end of eccentricity balance-weight block 4 is provided with suspension ring.When being easy to installation and the rotation of eccentricity balance-weight block 4, eccentrically mounted weight
The upper end of block is welded with suspension ring.
The operational approach of blast furnace gas discharge valve of the present invention, when blast furnace top pressure becomes big, first extracts alignment pin out
5, eccentricity balance-weight block 4 is rotated to away from pin joint A point direction, after being rotated in place, by alignment pin 5 through location-plate 3 with inclined
It is positioned by the hole, location on heart balancing weight 4, now increases the trimming moment to valve gap；When blast furnace top pressure diminishes
Time, first extract alignment pin 5 out, eccentricity balance-weight block 4 is rotated towards pin joint A point direction, after being rotated in place, uses alignment pin
It is positioned by 5 through the hole, location on location-plate 3 and eccentricity balance-weight block 4, now reduces the trimming moment to valve gap.
Below in conjunction with illustrating: as it is shown in figure 1, now eccentricity balance-weight block is in original state, its center of gravity to pin joint A
The arm of force L of pointCounterweightFor L0；As in figure 2 it is shown, when blast furnace top pressure diminishes, eccentricity balance-weight block is rotated to the left, its center of gravity
Arm of force L to pin joint A pointCounterweightFor L1；As it is shown on figure 3, when blast furnace top pressure becomes big, by eccentricity balance-weight block sidespin to the right
Turn, its center of gravity to the arm of force L of pin joint A pointCounterweightFor L2, hence it is evident that it follows that L1<L0<l2, moment m that providedCounterweightg*LCounterweight's
Size is also same order.
It can thus be seen that along with the rotation of eccentricity balance-weight block, the long L of the arm of force of its center of gravity to pin jointCounterweightBecome the most therewith
Change.So, L can be adjusted by adjusting the position of rotation of eccentricity balance-weight blockCounterweightValue, thus reach to adjust moment size
Purpose.
Above, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, any it is familiar with basis
Those skilled in the art in the technical scope that the invention discloses, the change that can readily occur in or replacement, all should contain
Within protection scope of the present invention.
Claims (9)
1. quickly regulate the blast furnace gas discharge valve of counterweight, it is characterized in that: it include valve body (1), front and back two weight linear meters (2),
Two pieces of location-plates (3) and several balancing weights (4) front and back, described balancing weight (4) top heavy, for eccentricity balance-weight block.
Blast furnace gas discharge valve the most according to claim 1, is characterized in that: one end of eccentricity balance-weight block (4) lighter in weight
Being provided with installing hole, pull rod shaft (6) passes from installing hole, and front and back two weight linear meters (2) are respectively fitted over before and after pull rod shaft (6) two
End, and pass through nut check.
Blast furnace gas discharge valve the most according to claim 1, is characterized in that: one end of eccentricity balance-weight block (4) heavier-weight
Being provided with hole, location, alignment pin (5) passes from hole, will front and back couple together by several eccentricity balance-weight blocks (4), front and back determines for two pieces
Position plate (3) is separately positioned on the outside of the most front and last two eccentricity balance-weight block (4), and front and back two pieces of location-plates (3) are overlapped simultaneously
In pull rod shaft (6) and alignment pin (5), and by nut check in alignment pin (5).
Blast furnace gas discharge valve the most according to claim 3, is characterized in that: front and back two pieces of location-plates (3) are arranged symmetrically with.
Blast furnace gas discharge valve the most according to claim 3, is characterized in that: the hole, location on eccentricity balance-weight block (4) is preferred
Being three holes, a hole in the middle of it is in the symmetrical center line of eccentricity balance-weight block (4), and other two apertures is symmetrical relative to interstitial hole
Arrange；Front and back location-plate (3) is upper is preferably hole, three location, its position and three position of positioning hole on eccentricity balance-weight block (4)
Corresponding.
Blast furnace gas discharge valve the most according to claim 1, is characterized in that: eccentricity balance-weight block (4) is preferably at least two pieces.
Blast furnace gas discharge valve the most according to claim 1, is characterized in that: the upper end of eccentricity balance-weight block (4) is provided with hangs
Ring.
8., according to the operational approach of the arbitrary described blast furnace gas discharge valve of claim 1-7, it comprises the concrete steps that: work as State of Blast Furnace
When pressure on top surface becomes big, first extract alignment pin out, eccentricity balance-weight block is rotated to away from pin joint A point direction, after being rotated in place,
Through the hole, location on location-plate and eccentricity balance-weight block, it is positioned by alignment pin, now increase the balance to valve gap
Moment；When blast furnace top pressure diminishes, first extract alignment pin out, eccentricity balance-weight block rotated towards pin joint A point direction,
After being rotated in place, through the hole, location on location-plate and eccentricity balance-weight block, it is positioned by alignment pin, now reduce
Trimming moment to valve gap.
The operational approach of blast furnace gas discharge valve the most according to claim 8, is characterized in that: when blast furnace top pressure becomes big
Time, the arm of force L of the center of gravity of eccentricity balance-weight block to pin jointCounterweightFor L2；When blast furnace top pressure diminishes, the weight of eccentricity balance-weight block
The heart is to the arm of force L of pin jointCounterweightFor L1；During original state, the arm of force L of the center of gravity of eccentricity balance-weight block to pin jointCounterweightFor L0；L1<L0
<L2, the size of the moment provided is also for same order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705223.7A CN106122546B (en) | 2016-08-22 | 2016-08-22 | The quick blast furnace gas discharge valve and its operating method for adjusting counterweight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705223.7A CN106122546B (en) | 2016-08-22 | 2016-08-22 | The quick blast furnace gas discharge valve and its operating method for adjusting counterweight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122546A true CN106122546A (en) | 2016-11-16 |
| CN106122546B CN106122546B (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610705223.7A Active CN106122546B (en) | 2016-08-22 | 2016-08-22 | The quick blast furnace gas discharge valve and its operating method for adjusting counterweight |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5624266A (en) * | 1979-07-31 | 1981-03-07 | Ishikawajima Harima Heavy Ind Co Ltd | Open-to-outside type bleeder valve |
| CN200971992Y (en) * | 2006-10-30 | 2007-11-07 | 于波涛 | Adjustable plate turn-over valve |
| CN200971991Y (en) * | 2006-10-30 | 2007-11-07 | 于波涛 | Self-control plate turn-over valve |
| CN203421241U (en) * | 2013-06-20 | 2014-02-05 | 重庆长江造型材料（集团）股份有限公司 | Automatic pressure balance regulating device |
| CN203730788U (en) * | 2013-12-30 | 2014-07-23 | 宝钢集团新疆八一钢铁有限公司 | Adjustable dual-seal blow off valve device |
| CN205918960U (en) * | 2016-08-22 | 2017-02-01 | 中冶华天南京工程技术有限公司 | Blast furnace gas of quick adjustment counter weight diffuses valve |
-
2016
- 2016-08-22 CN CN201610705223.7A patent/CN106122546B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5624266A (en) * | 1979-07-31 | 1981-03-07 | Ishikawajima Harima Heavy Ind Co Ltd | Open-to-outside type bleeder valve |
| CN200971992Y (en) * | 2006-10-30 | 2007-11-07 | 于波涛 | Adjustable plate turn-over valve |
| CN200971991Y (en) * | 2006-10-30 | 2007-11-07 | 于波涛 | Self-control plate turn-over valve |
| CN203421241U (en) * | 2013-06-20 | 2014-02-05 | 重庆长江造型材料（集团）股份有限公司 | Automatic pressure balance regulating device |
| CN203730788U (en) * | 2013-12-30 | 2014-07-23 | 宝钢集团新疆八一钢铁有限公司 | Adjustable dual-seal blow off valve device |
| CN205918960U (en) * | 2016-08-22 | 2017-02-01 | 中冶华天南京工程技术有限公司 | Blast furnace gas of quick adjustment counter weight diffuses valve |
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|---|---|
| CN106122546B (en) | 2018-05-22 |
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