CN2913774Y - Valve structure and high furnace top utilizing this structure - Google Patents
Valve structure and high furnace top utilizing this structure Download PDFInfo
- Publication number
- CN2913774Y CN2913774Y CN 200620122643 CN200620122643U CN2913774Y CN 2913774 Y CN2913774 Y CN 2913774Y CN 200620122643 CN200620122643 CN 200620122643 CN 200620122643 U CN200620122643 U CN 200620122643U CN 2913774 Y CN2913774 Y CN 2913774Y
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- valve
- blast furnace
- furnace roof
- utility
- model
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- Blast Furnaces (AREA)
Abstract
The utility model relates to a valve structure and a blast furnace roof containing the valve structure. The utility model is characterized in that the valve structure comprises a case, a digital hydraulic cylinder fixed at the outer side of the case; a level, one end of which is connected with the digital hydraulic cylinder via a shaft; a linking rod, one end of which is connected with the other end of the level; a crank, one end of which is connected with the other end of the linking rod via a shaft; a large shaft arranged on the case and connected with the other end of the crank to form a linkage structure with the crank. At least one of a throttle valve, an upper sealing valve, a lower sealing valve, a feed valve, a bleeding valve, an equalizing valve and an equalizing bleeding valve on a blast furnace roof has the structure in the utility mode. The valve can be used for controlling amount and speed of material feeding exactly and has the advantages of low cost, difficult damaging, convenient installation, and suitability for practicality.
Description
Technical field
The utility model relates to a kind of blast furnace, particularly relates to a kind of blast furnace furnace roof and is applied to the valve mechanism of furnace roof.
Background technique
The blast furnace furnace roof is that the inlet of furnace charge also is the outlet of coal gas, is again the throat of blast furnace.Top arrangement equipment is that a furnace charge that is transported to furnace roof is packed in the stove, and can reasonably be distributed.Modern blast furnace is along with the extensive use of operation with high pressure, furnace roof has become the weak link in the blast furnace equipment, its life-span, structure and workmanship etc. not only influence the operating rate of blast furnace, and what influences operations involving high pressure and cloth is adjusted, and is also determining to repair in the blast furnace even overhaul life.
The State of Blast Furnace roof construction comprises: hopper, shutting off valve, upper sealing valve, batch can, throttle valve, lower seal valve, expansion bend, distributor or the like (arranging by order from top to bottom).
The employed oil hydraulic cylinder of furnace roof valve arrangement all is common oil hydraulic cylinder at present.
As everyone knows, the major function of hydraulic jack is to finish straight line motion.Straight line motion can also change into swing or rotate.For speed controlling and the positioning control that realizes oil cylinder, the method for prior art is to adopt the combination of many hydraulic element, forms hydraulic system.To use servovalve or Proportional valve in the exquisite system, velocity transducer and position transducer, computer and nonshared control unit form so-called closed loop control system.This system is quite complicated, and investment is big.Design is installed, and debugging is safeguarded, uses all very difficultly, and this hydraulic jack that makes closed loop control system control is difficult to be popularized.
Therefore, how to found and a kind ofly can accurately control inventory and speed, and cost is low, not fragile, Installation and Debugging blast furnace furnace roof easily, just becoming the current industry utmost point needs improved target, has commercial exploitation and is worth.
Because the defective that above-mentioned existing blast furnace furnace roof exists, the design people is based on being engaged in this type of product specification manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of blast furnace furnace roof of new structure, can improve general existing blast furnace furnace roof, make it have more practicability.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.
The model utility content
Another purpose of the present utility model is to provide a kind of valve mechanism of new structure, technical problem to be solved is to make it can replace present ordinary blast furnace roof valve arrangement, and system is simple, superior performance, speed, positioning control are accurate, thereby are suitable for practicality more.
Another purpose of the present utility model is to provide a kind of blast furnace furnace roof of new structure, and technical problem to be solved is to make it can accurately control inventory and speed, and cost is low, not fragile, Installation and Debugging convenience, thereby is suitable for practicality more.
The numeral oil hydraulic cylinder is a kind of numerically controlled oil hydraulic cylinder.The numeral oil hydraulic cylinder has been installed sensor and digital valve in oil cylinder inside, and when oil cylinder received the digital pulse signal of computer or dedicated numerical control device, oil cylinder was promptly started working.The frequency of pulse is the speed of oil cylinder, and the sum of pulse signal is the stroke of oil cylinder, and is corresponding one by one, very accurately reliable.Very complicated closed loop servo-control system has been become simple open system.Stroke accuracy can reach 0.02mm.Designer of the present utility model is with the furnace roof of digital oil hydraulic cylinder introducing blast furnace plant, and the blast furnace furnace roof that obtains new structure has been finished the utility model.
The purpose of this utility model and to solve its technical problem be to adopt following technological scheme to realize.A kind of valve mechanism according to the utility model proposes is applied to the blast furnace furnace roof, and it comprises: casing; The numeral oil hydraulic cylinder is fixed in the casing outside; Lever, the one end is connected in above-mentioned digital oil hydraulic cylinder by axle; Connecting rod, one end are connected in the other end of above-mentioned lever by axle; Crank, one end are connected in the other end of above-mentioned connecting rod by axle; And macro-axis, be arranged on the casing, and be connected with the other end of above-mentioned crank, form the structure of macro-axis and crank interlock.
The purpose of this utility model and solve its technical problem and also adopt following technological scheme to realize.According to a kind of blast furnace furnace roof that the utility model proposes, it comprises throttle valve, upper sealing valve, lower seal valve, shutting off valve, bleeding valve, pressure equalizing valve and pressure-equalizing and discharging valve, and one of them adopts valve mechanism as claimed in claim 1 at least for wherein said throttle valve, upper sealing valve, lower seal valve, shutting off valve, bleeding valve, pressure equalizing valve and pressure-equalizing and discharging valve.
The purpose of this utility model and solve its technical problem and can also be able to be further achieved by the following technical measures.
Aforesaid blast furnace furnace roof, wherein said throttle valve are shutting off valve formula throttle valve or cylinder feed formula throttle valve.
Aforesaid blast furnace furnace roof, wherein said shutting off valve is positioned at the hopper bottom.
Aforesaid blast furnace furnace roof, wherein said upper sealing valve is positioned at the shutting off valve bottom.
Aforesaid blast furnace furnace roof, wherein said throttle valve is positioned at the batch can bottom.
Aforesaid blast furnace furnace roof, wherein said lower seal valve is positioned at the throttle valve bottom.
By technique scheme, the utility model valve mechanism and the blast furnace furnace roof of using this valve mechanism have following advantage at least:
1, valve mechanism of the present utility model can replace present ordinary blast furnace roof valve arrangement, and its system is simple, superior performance, and speed, positioning control are accurate.
2, blast furnace furnace roof of the present utility model can accurately be controlled inventory and speed, and cost is low, not fragile, Installation and Debugging convenience, thereby is suitable for practicality more.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the schematic representation of a preferred embodiment of the utility model valve mechanism.
Fig. 2 A, Fig. 2 B are the shutting off valve and the upper sealing valve schematic representation of the utility model one preferred embodiment blast furnace furnace roof, and Fig. 2 A is a front view, and Fig. 2 B is a side view.
Fig. 3 A, Fig. 3 B are the throttle valve and the lower seal valve schematic representation of the utility model one preferred embodiment blast furnace furnace roof, and Fig. 3 A is a front view, and Fig. 3 B is a side view.
1: casing 2: digital oil hydraulic cylinder
3: macro-axis 4: crank
5: connecting rod 6: lever
7: hopper
8: shutting off valve 80: shutting off valve numeral oil hydraulic cylinder
9: upper sealing valve 90: upper sealing valve numeral oil hydraulic cylinder
10: batch can
11: throttle valve 110: throttle valve numeral oil hydraulic cylinder
12: lower seal valve 120: lower seal valve numeral oil hydraulic cylinder
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined model utility purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to the valve mechanism that the utility model proposes and the blast furnace furnace roof of using this valve mechanism, its embodiment, structure, feature and effect thereof, describe in detail as after.
Fig. 1 is the structural representation of the shutting off valve formula throttle valve of application the utility model preferred embodiment valve mechanism.Comprising a casing 1; One digital oil hydraulic cylinder 2 is fixed in casing 1 outside; One lever 6, the one end is connected in above-mentioned digital oil hydraulic cylinder 2 by axle; One connecting rod 5, one end are connected in the other end of above-mentioned lever 6 by axle; One crank 4, one end are connected in the other end of above-mentioned connecting rod 5 by axle; And a macro-axis 3, be arranged on the casing 1, and be connected with the other end of above-mentioned crank 4, form the structure of macro-axis 3 and crank 4 interlocks.Wherein digital oil hydraulic cylinder 2 produces power, can promote the distance set accurately, and drive lever 6, and lever 6 drives connected connecting rod 5 again, and connecting rod 5 drives cranks 4, and crank 4 drives macro-axis 3 and rotates the control valve apertures, reaches the purpose of throttling.
In addition, the structure of shutting off valve, upper sealing valve, lower seal valve, bleeding valve, pressure equalizing valve and pressure-equalizing and discharging valve and working principle and throttle valve are roughly the same, be all and utilize the digital oil hydraulic cylinder device that is used as power, with the lever principle pushing shaft, reach the purpose of controlling opening of valve, therefore repeat no more its detailed structure.
Fig. 2 A, Fig. 2 B are the shutting off valve and the upper sealing valve schematic representation of the utility model one preferred embodiment blast furnace furnace roof, and Fig. 2 A is a front view, and Fig. 2 B is a side view.Shutting off valve numeral oil hydraulic cylinder 80 valve opening that is used to regulate shutting off valve 8 wherein reaches the material quantity that adjusting enters from hopper 7 and the purpose of speed; The valve opening that upper sealing valve numeral oil hydraulic cylinder 90 is used to regulate upper sealing valve 9;
Fig. 3 A, Fig. 3 B are the throttle valve and the lower seal valve schematic representation of the utility model one preferred embodiment blast furnace furnace roof, and Fig. 3 A is a front view, and Fig. 3 B is a side view.Throttle valve numeral oil hydraulic cylinder 110 valve opening that is used to regulate throttle valve 11 wherein reaches the material quantity that adjusting enters from batch can 10 and the purpose of speed; The valve opening that lower seal valve numeral oil hydraulic cylinder 120 is used to regulate lower seal valve 12.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (7)
1, a kind of valve mechanism is applied to the blast furnace furnace roof, it is characterized in that it comprises:
Casing;
The numeral oil hydraulic cylinder is fixed in the casing outside;
Lever, the one end is connected in above-mentioned digital oil hydraulic cylinder by axle;
Connecting rod, one end are connected in the other end of above-mentioned lever by axle;
Crank, one end are connected in the other end of above-mentioned connecting rod by axle; And
Macro-axis is arranged on the casing, and is connected with the other end of above-mentioned crank, forms the structure of macro-axis and crank interlock.
2, a kind of blast furnace furnace roof, it comprises throttle valve, upper sealing valve, lower seal valve, shutting off valve, bleeding valve, pressure equalizing valve and pressure-equalizing and discharging valve, it is characterized in that one of them adopts valve mechanism as claimed in claim 1 at least for wherein said throttle valve, upper sealing valve, lower seal valve, shutting off valve, bleeding valve, pressure equalizing valve and pressure-equalizing and discharging valve.
3, blast furnace furnace roof according to claim 2 is characterized in that wherein said throttle valve is shutting off valve formula throttle valve or cylinder feed formula throttle valve.
4, blast furnace furnace roof according to claim 2 is characterized in that wherein said shutting off valve is positioned at the hopper bottom.
5, blast furnace furnace roof according to claim 2 is characterized in that wherein said upper sealing valve is positioned at the shutting off valve bottom.
6, blast furnace furnace roof according to claim 2 is characterized in that wherein said throttle valve is positioned at the batch can bottom.
7, blast furnace furnace roof according to claim 2 is characterized in that wherein said lower seal valve is positioned at the throttle valve bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620122643 CN2913774Y (en) | 2005-07-18 | 2006-07-18 | Valve structure and high furnace top utilizing this structure |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520113776 | 2005-07-18 | ||
| CN200520113776.0 | 2005-07-18 | ||
| CN 200620122643 CN2913774Y (en) | 2005-07-18 | 2006-07-18 | Valve structure and high furnace top utilizing this structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2913774Y true CN2913774Y (en) | 2007-06-20 |
Family
ID=38168373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620122643 Expired - Lifetime CN2913774Y (en) | 2005-07-18 | 2006-07-18 | Valve structure and high furnace top utilizing this structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2913774Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352419A (en) * | 2011-09-28 | 2012-02-15 | 中冶南方工程技术有限公司 | Compact valve box device for rotating upper sealing valve of blast furnace |
| CN103953757A (en) * | 2014-04-19 | 2014-07-30 | 包头职业技术学院 | Lower sealing valve of parallel-tank bell-less furnace top |
-
2006
- 2006-07-18 CN CN 200620122643 patent/CN2913774Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352419A (en) * | 2011-09-28 | 2012-02-15 | 中冶南方工程技术有限公司 | Compact valve box device for rotating upper sealing valve of blast furnace |
| CN103953757A (en) * | 2014-04-19 | 2014-07-30 | 包头职业技术学院 | Lower sealing valve of parallel-tank bell-less furnace top |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100102 Beijing city Chaoyang District Guangshun North Street Hospital No. 33 Building No. 302 door 2A Patentee after: Seng Quansong Address before: 100027, room 34, building 208, East Gate Street, Chaoyang District, Beijing Patentee before: Seng Quansong |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070620 |
|
| EXPY | Termination of patent right or utility model |