CN204058490U - A kind of blast furnace sealing mechanism - Google Patents
A kind of blast furnace sealing mechanism Download PDFInfo
- Publication number
- CN204058490U CN204058490U CN201420428950.XU CN201420428950U CN204058490U CN 204058490 U CN204058490 U CN 204058490U CN 201420428950 U CN201420428950 U CN 201420428950U CN 204058490 U CN204058490 U CN 204058490U
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- CN
- China
- Prior art keywords
- valve
- connecting rod
- valve handle
- blast furnace
- valve port
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- Expired - Fee Related
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model provides a kind of blast furnace sealing mechanism, comprises main shaft, and described main shaft is fixed with connecting rod, and described connecting rod connects a valve handle, and described connecting rod connects valve handle place and is provided with a slot.It is a slot that the utility model connecting rod connects valve handle place, in realization, the concentricity on-line tuning of lower sealing valve valve port valve cake and control, compensate for, not enough in lower sealing valve equipment intensification process, realize adjusting the upper-lower position of valve handle, extend, lower close online life cycle, also can regulate and control online simultaneously, shorten the repair time, a nitrogen purging device is installed additional at valve port and valve handle contact position, device exit is flat horizontal surface, whole trim is covered when ensure that purging, trim clean no-sundries when ensureing that valve port contacts with valve handle, guarantee the tightness sealed.The smooth production of blast furnace can be ensured better.
Description
Technical field
The utility model belongs to field of metallurgical equipment, relates to one and can ensure upper and lower seal valve valve port, valve cake concentricity, can guarantee the blast furnace sealing mechanism of the clean no-sundries of trim simultaneously.
Background technology
Iron work 450m blast furnace taps a blast furnace several tons every day, every day, hoisting system 24 failure-free hours ran, wherein go up, lower sealing valve is the key of the smooth blowing of blast furnace, if on, lower sealing valve goes out a little minor issue, blast furnace just only has damping down to carry out the process of fault, so on blast furnace, lower sealing valve belongs to category-A equipment, and in last year and this year, blast furnace is due to upper, lower sealing valve valve cake and valve port are not just or valve port place is long-pending foreign material, dust stratification causes valve port valve handle poorly sealed, there is batch can pressure release situation in various degree, make blast furnace be among fault production always, and cannot fault effectively be processed at ordinary times at all, only have by the whole valve body of damping down examine and replace, if dust stratification causes poorly sealed, damping down to overhaul and O-ring seal is changed, only in this way blast furnace can resume production, due to upper, the prolongation of lower sealing valve duration of service, although through rolling off the production line reparation, can recover, but there is a lot of problem, no matter be the standard before working accuracy or matching requirements all cannot reach maintenance, and along with the passing of duration of service, assembling concentricity between valve cake and valve port cannot be protected, the difficulty adjusted is caused to strengthen, and be mingled with various dust stratification foreign material in raw gas and furnace charge in stove, easily be mixed in, on lower sealing valve valve port and valve handle trim, cause seal failure, after each maintenance test run, if cannot be concentric, then needing all disintegrates equips again, the cost of the reparation increased virtually.
Utility model content
In order to solve the problem, the utility model provide a kind of can make upper and lower seal valve valve port valve cake concentricity can be implemented in line adjustment and control blast furnace valve cake, and a kind of can in process of production to the equipment that trim cleans.
The utility model adopts following technical scheme:
A kind of blast furnace sealing mechanism, comprise a main shaft, described main shaft is fixed with connecting rod, described connecting rod connects a valve handle, and described connecting rod connects valve handle place and is provided with a slot, and the corresponding valve port of described valve handle, described valve port and valve handle contact surface are provided with a nitrogen purging device.
The nitrogen outlet of described nitrogen purging device is flats.
It is a slot that the utility model connecting rod connects valve handle place, realize right alignment on-line tuning and the control of upper and lower seal valve valve port valve cake, compensate in upper and lower seal valve equipment intensification process not enough, realize easily adjusting the upper-lower position of valve handle, the little axle connecting valve handle and connecting rod is put into slot, filling steel sheet bar is carried out to slot remaining space, realize when mother rod is motionless by extracting steel sheet bar or increase, valve handle realizes horizontal shift, and realization is concentric with valve port.Guarantee to carry out soldering to steel sheet bar after valve port valve handle with one heart, guarantee that valve handle is firmly fixed on connecting rod.Install a nitrogen purging device additional at valve port and valve handle contact position simultaneously, device exit is flat horizontal surface, whole trim is covered when ensure that purging, ensure valve port trim clean no-sundries when contacting with valve handle, guarantee the tightness of sealing, decrease due to valve port dust stratification or the valve port leakage problem that has foreign matter to cause, if when equipment uses on line owing to being out of shape aging other reasons such as grade simultaneously, there is valve port leakage phenomenon, easily adjustment process is carried out to valve cake, easy to operate.So both extended the online life cycle of upper and lower seal valve, also can regulate and control online simultaneously, and reduced fault-time, the stable smooth operation of blast furnace can be ensured better.
Accompanying drawing explanation
Fig. 1. be the utility model structural representation;
Fig. 2. be the annexation structural representation of the utility model connecting rod and valve handle.
Embodiment
As shown in Figure 1, 2, a kind of blast furnace sealing mechanism, comprises main shaft 1, and described main shaft 1 is fixed with connecting rod 2, and described connecting rod 2 connects a valve handle 3, and described connecting rod connects valve handle place and is provided with a slot 4.Upper and lower seal valve after rolling off the production line is disintegrated, change the round fabrication hole on connecting rod into slot, the upper-lower position of valve handle easily adjusts, and adjusts to after valve port is pressed onto sealing-ring central authorities and carries out filling steel sheet bar and soldering to slot remaining space, thus ensure that valve handle 3 is concentric with valve port 5.Valve port 5 and valve handle 3 contact position are provided with a nitrogen purging device, device nitrogen outlet 6 place is flat horizontal surface, whole trim is covered when ensure that purging, trim clean no-sundries when ensureing that valve port 5 contacts with valve handle 3, guarantee the tightness sealed, decrease due to valve port dust stratification or the valve port leakage problem that has foreign matter to cause, and when each system overhaul, if find that valve cake cannot be concentric with valve port, then can adjust on line, ensure that batch can pressurize is normal, there will not be leakage accident, no matter online lower or on line, if there is leakage phenomenon in valve port, just adjustment process can be carried out to valve cake at interim damping down at ordinary times, time saving and energy saving, spot check is convenient.
Claims (2)
1. a blast furnace sealing mechanism, comprises a main shaft, and described main shaft is fixed with connecting rod, it is characterized in that: described connecting rod connects a valve handle, described connecting rod connects valve handle place and is provided with a slot, the corresponding valve port of described valve handle, and described valve port and valve handle contact surface side are provided with a nitrogen purging device.
2. a kind of blast furnace sealing mechanism according to claim 1, is characterized in that: the nitrogen outlet of described nitrogen purging device is flats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428950.XU CN204058490U (en) | 2014-07-31 | 2014-07-31 | A kind of blast furnace sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428950.XU CN204058490U (en) | 2014-07-31 | 2014-07-31 | A kind of blast furnace sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204058490U true CN204058490U (en) | 2014-12-31 |
Family
ID=52200040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420428950.XU Expired - Fee Related CN204058490U (en) | 2014-07-31 | 2014-07-31 | A kind of blast furnace sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204058490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418427A (en) * | 2022-08-31 | 2022-12-02 | 山东钢铁集团日照有限公司 | Integral replacement method for sealing valve transmission mechanism on top of blast furnace |
-
2014
- 2014-07-31 CN CN201420428950.XU patent/CN204058490U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418427A (en) * | 2022-08-31 | 2022-12-02 | 山东钢铁集团日照有限公司 | Integral replacement method for sealing valve transmission mechanism on top of blast furnace |
| CN115418427B (en) * | 2022-08-31 | 2023-07-04 | 山东钢铁集团日照有限公司 | Integral replacement method of sealing valve transmission mechanism on blast furnace top |
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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: 20141231 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |