CN201588950U - Water slag ditch valve device - Google Patents
Water slag ditch valve device Download PDFInfo
- Publication number
- CN201588950U CN201588950U CN2009202779467U CN200920277946U CN201588950U CN 201588950 U CN201588950 U CN 201588950U CN 2009202779467 U CN2009202779467 U CN 2009202779467U CN 200920277946 U CN200920277946 U CN 200920277946U CN 201588950 U CN201588950 U CN 201588950U
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- CN
- China
- Prior art keywords
- hydraulic cylinder
- valve
- link arm
- water slag
- valving
- 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 - Lifetime
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- 239000002893 slag Substances 0.000 title claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 77
- 230000008878 coupling Effects 0.000 claims description 33
- 238000010168 coupling process Methods 0.000 claims description 33
- 238000005859 coupling reaction Methods 0.000 claims description 33
- 238000005452 bending Methods 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 13
- 239000003082 abrasive agent Substances 0.000 claims description 4
- 239000003818 cinder Substances 0.000 description 15
- 238000011010 flushing procedure Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The utility model discloses a ditch valve gear, include: one end of the short valve pipe is connected to the slag runner, and the pipe orifice of the other end of the short valve pipe is a valve orifice; the valve cover capable of covering the valve opening is arranged outside the valve short pipe, and the inner side of the valve cover is a covering surface capable of covering the valve opening; drive valve lid is opened or closed pneumatic cylinder, and the push rod of pneumatic cylinder is connected in this valve lid through a connecting arm, the utility model discloses a slag runner valving can effective increase of service life, and the leakproofness is good, and the reliability is high, switches the flexible operation.
Description
Technical field
The utility model relates to a kind of valving, the water slag groove valving of particularly a kind of long service life, good airproof performance, flexible operation.
Background technique
Smelting industry, particularly blast furnace process is big with the water spot volume, quantity of wastewater effluent is very big, and will produce a large amount of grain slags in process of production, and grain slag to handle be that smelter is concerned about most, one of the most scabrous problem always, along with the continuous lifting of people's environmental consciousness, smelter is more and more paid attention to the pollution problem that discharging caused of grain slag and the recycling problem of resource.
At present, the operation that grain slag is filtered mainly is that flushing cinder water enters the water slag groove valve by sluice, the other end of water slag groove valve is connected with filter basin, valve open, flushing cinder water will flow in the filter basin, filter basin are mainly used in the filtration of the pulp water that liquidates, treat after work a period of time, when having saved bit by bit a certain amount of grain slag in the filter basin and need grab slag operation, perhaps when filter basin need overhaul, valve closing, to stop that flushing cinder water flow among the filter basin again, this wherein, valve is very important parts, it not only wants the frequent closed procedure of opening, when closing, also to stand the friction and the bump of flushing cinder water, so serious wear, control are opened closed rotating shaft and also are easy to lose efficacy, and need frequent replacing to guarantee its proper functioning in actual production, both increased maintenance cost, can influence the ordinary production operation of equipment such as blast furnace again, in addition, the sealing of valve also is a very important technical order, when the staff enters into filter basin and overhauls, if valve seal is not tight, flushing cinder water leaks in the filter basin can scald the staff, causes potential safety hazard.
The carbon steel class valve seat that more generally adopts as present metallurgy industry, butterfly valve or the like, media-resistant does not wash away, and generally being simple dependence valve plate, this type of valve seat seals, sealing effect is not good, and valve plate very easily is worn, be unfavorable for prolonging its working life, in addition, the bearing of employing that has that axle envelope place is common adds flexible graphite packing, and the flexible graphite packing friction torque is bigger, and the wearing and tearing back is uncompensated, and keying is dumb so valve after using a period of time, is easy to occur, there are phenomenons such as leakage at axle envelope place.
Because above-mentioned each problem, the design people borrow its for many years the art technology experience and abundant relevant professional knowledge, constantly research and development improve, and through a large amount of practical proofs, have proposed the technological scheme of water slag groove valving of the present utility model.
The model utility content
The purpose of this utility model is to provide a kind of water slag groove valving, and wear resistance is strong, can effectively increase the service life, and good airproof performance, the reliability height, handover operation is flexible.
To achieve these goals, the utility model provides a kind of water slag groove valving, comprising: the valve short tube, and the one end is connected in water slag groove, and the other end mouth of pipe is a valve port; Can cover the valve cover of described valve port, be located at described valve short tube outside, described valve cover is inboard for being covered on the face that covers on the described valve port; Drive the oil hydraulic cylinder of described valve cover closure or openness, the push rod of described oil hydraulic cylinder is connected in described valve cover through a link arm.
Above-mentioned water slag groove valving, wherein, described water slag groove valving also comprises hydraulic cylinder leg, described hydraulic cylinder leg bottom is fixedly arranged on the described valve short tube, what the cylinder body of described oil hydraulic cylinder can rotate is coupling in the top of described hydraulic cylinder leg, and the coupling shaft of described oil hydraulic cylinder and hydraulic cylinder leg is for being horizontally disposed with.
Above-mentioned water slag groove valving, wherein, what an end of described link arm and described oil hydraulic cylinder push rod can rotate is coupling, and the coupling shaft of described oil hydraulic cylinder push rod and link arm is for being horizontally disposed with, and parallel with the coupling shaft of hydraulic cylinder leg with described oil hydraulic cylinder; The other end of described link arm is connected in described valve cover.
Above-mentioned water slag groove valving, wherein, described water slag groove valving also comprises the link arm support, described link arm support bottom is fixedly arranged on the described valve short tube, what the arm body of described link arm can rotate is coupling in the top of described link arm support, the coupling shaft of described link arm and link arm support is for being horizontally disposed with, and parallel mutually with the coupling shaft of link arm with described oil hydraulic cylinder and the coupling shaft of hydraulic cylinder leg, described oil hydraulic cylinder push rod.
Above-mentioned water slag groove valving, wherein, described link arm is the curved boom shape, and it comprises pivoted connection end and the connecting end of the first arm section between the described bending part, described link arm and valve cover and the second arm section between the described bending part of bending part, described link arm and oil hydraulic cylinder push rod.
Above-mentioned water slag groove valving, wherein, the angle of described bending part bending is the obtuse angle.
Above-mentioned water slag groove valving, wherein, described bending part is coupling in the top of described link arm support, and the described second arm section is parallel to the face that covers of described valve cover, and described the first arm Duan Ze extends towards the lateral direction bending of described valve cover.
Above-mentioned water slag groove valving, wherein, covering of described valve cover is embedded with sealing rubber pad on the face.
Above-mentioned water slag groove valving, wherein, described valve short tube is a high-abrasive material.
Above-mentioned water slag groove valving, wherein, described Driven by Hydraulic Cylinder device is Electrohydraulic push rod or hydraulic station.
From the above, water slag groove valving of the present utility model has following advantage and characteristics:
1, water slag groove valving of the present utility model adopts valve cover to come valve port is sealed, and has replaced the structure that traditional employing valve plate seals, thereby can avoid the short problem in working life that causes because of valve plate is easy to wear.
2, the valve cover of water slag groove valving of the present utility model adopts the design that steel plate is inlayed rubber cushion, and employing hydraulic pressure or electrolyte type actuating valve door closure, can obtain better sealing effect, solved easy poorly sealed problem in the prior art simultaneously, can guarantee in the process of grabbing the maintenance of slag operation and filter basin, avoid leakage phenomenon, improve the working efficiency of grabbing slag, eliminate the potential safety hazard of filter basin maintenance.
3, the keying of the valve cover of water slag groove valving of the present utility model drives by the small-sized hydraulic station or by Electrohydraulic push rod, and the transmission by link arm, the interaction relation of oil hydraulic cylinder push rod and link arm and link arm, oil hydraulic cylinder is rotating design on support separately, the reliability of valve opening and closing is increased, and making also that valve filters and grabs at filter basin can be easy between the serviceability of slag, switch flexibly, the reliability height, in addition, valve also can carry out the electric elements optimal design, realize telecontrol, make things convenient for staff's operation.
4, the valve short tube of water slag groove valving of the present utility model adopts high-abrasive material, can improve the wear resistance and the anti-extremely cold very hot property of valve short tube, prolongs the working life of whole valving.
5, water slag groove valving of the present utility model adopts reasonable structural design, makes the structure of the whole device freedom that goes slick, but can take less working space, and overall construction design is reasonable.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.
Fig. 1 is the utility model water slag groove valving opening state schematic representation;
Fig. 2 is the utility model water slag groove valving closed condition schematic representation;
Fig. 3 is that the utility model water slag groove valving opens and closes the state conversion process schematic representation.
Description of reference numerals:
100 water slag groove valvings
1 valve short tube
11 valve ports
2 valve covers
21 sealing rubber pads
3 link arms
31 link arm supports
32 bending parts
33 the first arm sections
34 second arm sections
4 oil hydraulic cylinders
41 oil hydraulic cylinder push rods
42 hydraulic cylinder legs
Embodiment
Understand for technical characteristics of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model.Water slag groove valving of the present utility model connects water slag groove, and flushing cinder water can be directed into filter basin.
Please refer to Fig. 1, be the utility model water slag groove valving opening state schematic representation, as shown in the figure, water slag groove valving 100 of the present utility model mainly comprises: valve short tube 1, valve cover 2, link arm 3 and oil hydraulic cylinder 4, wherein, valve short tube 1 is mainly used in the flushing cinder water of water conservancy diversion water slag groove, the one end is connected in water slag groove, the other end mouth of pipe is a valve port 11, flushing cinder water will flow into the filter basin from valve port 11, valve cover 2 is used to cover the valve port 11 of valve short tube 1, valve cover 2 links to each other with the oil hydraulic cylinder push rod of oil hydraulic cylinder 4 through link arm 3, oil hydraulic cylinder 4 is by the closure or openness of link arm 3 actuating valve door closures 2, and oil hydraulic cylinder 4 may be selected to be rotating being arranged on the valve short tube 1, and is driven and controlled by a Driven by Hydraulic Cylinder device.
Please continue with reference to figure 1, because valve short tube 1 is the connecting passage between water slag groove and the filter basin, flushing cinder water will be frequent in valve short tube 1, flow, therefore the valve short tube in the utility model 1 adopts high-abrasive material, as cast stone lining and cast stone, crystallite liner plate etc. (concrete model parameter is looked concrete condition and is selected), thereby can resist slag-water slurry wearing and tearing, anti-extremely cold very hot, avoid corrosion, the working life of improving valve to greatest extent.One end of valve short tube 1 is connected in water slag groove, the other end mouth of pipe is a valve port 11, flushing cinder water flows in the filter basin by valve port 11, valve cover 2 is located at valve short tube 1 outside, be used to cover valve port 11, valve cover 2 is inboard for being used to cover the face that covers of valve port 11, thereby realize closing of whole water slag groove valving 100, to grab operations such as slag or filter basin maintenance, please, be the utility model water slag groove valving closed condition schematic representation, at this moment in conjunction with reference to figure 2, valve cover 2 is covered on valve port 11, as shown in the figure, valve cover 2 should cooperate and can hide valve port 11 fully, and in order to make valve cover 2 and valve port 11 places of covering have good sealing property, also be embedded with sealing rubber pad 21 on the face covering of valve cover 2 inboards, when valve cover 2 was covered on valve port 11, rubber pad 21 was extruded and is folded between valve cover 2 and the valve port 11, and good sealing property can be provided, the problem of having avoided flushing cinder water to leak, thus operation carries out smoothly in the guarantee filter basin.
Oil hydraulic cylinder 4 is mainly used in the unlatching and the closure of actuating valve door closure 2, it is arranged at valve short tube 1 by a hydraulic cylinder leg 42, perhaps also can be arranged on a certain fixture or other suitable positions according to actual needs, the position is set is adjusted according to actual conditions of oil hydraulic cylinder 4, in the present embodiment, for the degree of integration that makes water slag groove valving 100 higher, save working space, the bottom of hydraulic cylinder leg 42 is fixedly arranged on the valve short tube 1, the Boring mill of oil hydraulic cylinder 4 is connected to the top of hydraulic cylinder leg 42, coupling shaft herein is for being horizontally disposed with, thereby oil hydraulic cylinder 4 can rotate in vertical plane on hydraulic cylinder leg 42 around coupling shaft.One end of oil hydraulic cylinder 4 is an oil hydraulic cylinder push rod 41, it is coupling in an end of link arm 3, coupling shaft herein is for being horizontally disposed with, and it is parallel with the coupling shaft of hydraulic cylinder leg 42 with oil hydraulic cylinder 4, oil hydraulic cylinder push rod 41 and link arm 3 are relatively rotated in vertical plane, the other end of oil hydraulic cylinder 4 is connected in the Driven by Hydraulic Cylinder device, this Driven by Hydraulic Cylinder device can be Electrohydraulic push rod or hydraulic station etc., in addition, also can realize telecontrol by corresponding driving component etc. is set, its correlation technique is well known to those skilled in the art, and does not repeat them here.
From the above mentioned, an end of link arm 3 is coupling in oil hydraulic cylinder push rod 41, and its other end then is connected in valve cover 2, can drive valve cover 2 and be covered on valve port 11.Similar with oil hydraulic cylinder 4, link arm 3 also supports by a link arm support 31, the bottom of this link arm support 31 is fixedly arranged on the valve short tube 1, what the arm body of link arm 3 can rotate is coupling in the top of link arm support 31, coupling shaft herein is also for being horizontally disposed with, link arm 3 can be rotated in vertical plane around coupling shaft, and, the coupling shaft of oil hydraulic cylinder 4 and hydraulic cylinder leg 42, oil hydraulic cylinder push rod 41 is parallel mutually with the coupling shaft of link arm support 31 with the coupling shaft and the link arm 3 of link arm 3, thereby can realize oil hydraulic cylinder 4, the interlock of oil hydraulic cylinder push rod 41 and link arm 3 can not produce obstruction.
For make and oil hydraulic cylinder 4 between interlock free more, save and rotate occupation space, and make that valve cover 2 can be tighter be covered on valve port 11, link arm 3 is the curved boom shape in the present embodiment, its arm body partly has a bending part 32, and the arm body in bending part 32 both sides partly is respectively the first arm section 33 and the second arm section 34, part between the pivoted connection end of link arm 3 and oil hydraulic cylinder push rod 41 and the bending part 32 is a first arm section 33, end that link arm 3 is connected with valve cover 2 and the part between the bending part 32 are the second arm section 34, the bending angle of bending part 32 is the obtuse angle, and bending part 32 is coupling in the top of link arm support 31, the second arm section, 34 preferred parallel are in the face that covers of valve cover 2, the first arm section 33 is then extended towards the lateral direction bending of valve cover 2, thereby the link arm 3 that is the curved boom shape can rotate in vertical plane around bending part 32, and, when the second arm section 34 turns to vertical position, the face that covers of valve cover 2 also is vertical state and is covered on valve port 11, can guarantee that so just valve cover 2 and valve port 11 are good fit, help improving its sealing.
Please refer to Fig. 3 below,, and, the utility model water slag groove valving 100 simple application and working principle are described simultaneously with reference to figure 1 and Fig. 2 for the utility model water slag groove valving opens and closes the state conversion process schematic representation.When valve will be converted to closed condition by opening state, drive oil hydraulic cylinder 4, make 41 elongations of oil hydraulic cylinder push rod, it promotes link arm 3 serves as that axle rotates with bending part 32, the first arm section 33 turns over an angle, as shown in phantom in FIG., in this process, oil hydraulic cylinder 4 also will swing up and down in vertical plane around the axis part of itself and hydraulic cylinder leg 42, and the second arm section 34 also turns over identical angle with the first arm section, and finally forward vertical position to, be covered on valve port 11 thereby drive valve cover 2, behind the valve closing, can safeguard or grab operations such as slag in the filter basin, and be subjected to the braking of oil hydraulic cylinder, when the flushing cinder water slug valve cover 2 in the valve short tube 1, valve cover 2 can keep being covered on valve port 11, reliable and stable, the face of covering of adding its valve cover is provided with sealing rubber pad 21, thus can be good the flushing cinder watertight is encapsulated in valving inside, avoid leak forming potential safety hazard; And when valve will be converted to opening state by closed condition, then opposite with said process, oil hydraulic cylinder 4 is driven, and oil hydraulic cylinder push rod 41 shortens, and drives the first arm section 33 toward turning over an angle in the other direction, the second arm section 34 is then by the vertical position turn-off, drive valve cover and leave valve port 11, make valve opening, flushing cinder water can flow in the filter basin by valve short tube 1 and filter this moment, the keying state exchange of water slag groove valving 100 is very convenient, and is convenient to operation.
Comprehensive as can be known above-mentioned, the keying of the valve cover of water slag groove valving of the present utility model drives by the small-sized hydraulic station or by Electrohydraulic push rod, and the interaction relation of transmission, oil hydraulic cylinder push rod and link arm by link arm and link arm, oil hydraulic cylinder rotating design on support separately, the reliability of valve opening and closing is increased, and making also that valve filters and grab at filter basin between the serviceability of slag can be easy, switch flexibly, and has improved reliability; In addition,, can effectively improve the sealing of valve, guarantee that the situation of leaking does not appear in flushing cinder water by sealing rubber pad is set; The valve short tube has adopted wear-resisting technologic material, has further prolonged the working life of valving.
The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (10)
1. a water slag groove valving is characterized in that, described water slag groove valving comprises:
The valve short tube, the one end is connected in water slag groove, and the other end mouth of pipe is a valve port;
Can cover the valve cover of described valve port, establish and described valve short tube outside, described valve cover is inboard for being covered on the face that covers on the described valve port;
Drive the oil hydraulic cylinder of described valve cover closure or openness, the push rod of described oil hydraulic cylinder is connected in described valve cover through a link arm.
2. water slag groove valving according to claim 1, it is characterized in that, described water slag groove valving also comprises hydraulic cylinder leg, described hydraulic cylinder leg bottom is fixedly arranged on the described valve short tube, what the cylinder body of described oil hydraulic cylinder can rotate is coupling in the top of described hydraulic cylinder leg, and the coupling shaft of described oil hydraulic cylinder and hydraulic cylinder leg is for being horizontally disposed with.
3. water slag groove valving according to claim 2, it is characterized in that, what one end of described link arm and described oil hydraulic cylinder push rod can rotate is coupling, and the coupling shaft of described oil hydraulic cylinder push rod and link arm is for being horizontally disposed with, and parallel with the coupling shaft of hydraulic cylinder leg with described oil hydraulic cylinder;
The other end of described link arm is connected in described valve cover.
4. water slag groove valving according to claim 3, it is characterized in that, described water slag groove valving also comprises the link arm support, described link arm support bottom is fixedly arranged on the described valve short tube, what the arm body of described link arm can rotate is coupling in the top of described link arm support, the coupling shaft of described link arm and link arm support is for being horizontally disposed with, and parallel mutually with the coupling shaft of link arm with described oil hydraulic cylinder and the coupling shaft of hydraulic cylinder leg, described oil hydraulic cylinder push rod.
5. water slag groove valving according to claim 4, it is characterized in that, described link arm is the curved boom shape, and it comprises pivoted connection end and the connecting end of the first arm section between the described bending part, described link arm and valve cover and the second arm section between the described bending part of bending part, described link arm and oil hydraulic cylinder push rod.
6. water slag groove valving according to claim 5 is characterized in that, the angle of described bending part bending is the obtuse angle.
7. water slag groove valving according to claim 5, it is characterized in that, described bending part is coupling in the top of described link arm support, and the described second arm section is parallel to the face that covers of described valve cover, and described the first arm Duan Ze extends towards the lateral direction bending of described valve cover.
8. water slag groove valving according to claim 1 is characterized in that, covering of described valve cover is embedded with sealing rubber pad on the face.
9. water slag groove valving according to claim 1 is characterized in that, described valve short tube is a high-abrasive material.
10. water slag groove valving according to claim 1 is characterized in that, described Driven by Hydraulic Cylinder device is Electrohydraulic push rod or hydraulic station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202779467U CN201588950U (en) | 2009-12-16 | 2009-12-16 | Water slag ditch valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202779467U CN201588950U (en) | 2009-12-16 | 2009-12-16 | Water slag ditch valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201588950U true CN201588950U (en) | 2010-09-22 |
Family
ID=42748731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202779467U Expired - Lifetime CN201588950U (en) | 2009-12-16 | 2009-12-16 | Water slag ditch valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201588950U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174841A (en) * | 2011-12-21 | 2013-06-26 | 麦丰密封科技股份有限公司 | Seal assembly |
| CN103850344A (en) * | 2014-02-21 | 2014-06-11 | 武汉圣禹排水***有限公司 | Top shaft type rapid flushing door |
| KR101755279B1 (en) * | 2015-12-24 | 2017-07-07 | 한국항공우주연구원 | vacuum releasing apparatus for high altitude simulation test equipment |
| CN113061675A (en) * | 2021-04-07 | 2021-07-02 | 中冶南方工程技术有限公司 | Slag flushing ditch flap valve |
| CN114634997A (en) * | 2022-02-25 | 2022-06-17 | 首钢京唐钢铁联合有限责任公司 | Control method and device of blast furnace water slag flushing system |
-
2009
- 2009-12-16 CN CN2009202779467U patent/CN201588950U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174841A (en) * | 2011-12-21 | 2013-06-26 | 麦丰密封科技股份有限公司 | Seal assembly |
| CN103850344A (en) * | 2014-02-21 | 2014-06-11 | 武汉圣禹排水***有限公司 | Top shaft type rapid flushing door |
| KR101755279B1 (en) * | 2015-12-24 | 2017-07-07 | 한국항공우주연구원 | vacuum releasing apparatus for high altitude simulation test equipment |
| CN113061675A (en) * | 2021-04-07 | 2021-07-02 | 中冶南方工程技术有限公司 | Slag flushing ditch flap valve |
| CN114634997A (en) * | 2022-02-25 | 2022-06-17 | 首钢京唐钢铁联合有限责任公司 | Control method and device of blast furnace water slag flushing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |
|
| CX01 | Expiry of patent term |