CN201368673Y - Alarming type air brick - Google Patents
Alarming type air brick Download PDFInfo
- Publication number
- CN201368673Y CN201368673Y CNU2009201453499U CN200920145349U CN201368673Y CN 201368673 Y CN201368673 Y CN 201368673Y CN U2009201453499 U CNU2009201453499 U CN U2009201453499U CN 200920145349 U CN200920145349 U CN 200920145349U CN 201368673 Y CN201368673 Y CN 201368673Y
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- Prior art keywords
- pipe
- air brick
- air
- warning
- communicated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
An alarming type air brick comprises an air brick body, an air chamber arranged on the lower portion of the air brick body, thin pipes which are arranged inside the air brick body and whose lower ends are communicated with the air chamber, an air inlet pipe whose upper end is communicated with the air chamber, wherein the lower end of at least one of the fine pipes is communicated with the air chamber through an alarming pipe and forms a composite ventilating pipe, the length of the alarming pipe is larger than or equal to the smallest safety height of the alarming type air brick, and the section area of the alarming pipe is larger than the section area of the fine pipes. The alarming type air brick provided by the utility model has simple production manufacturing, is safer and has lower cost.
Description
Technical field
The utility model relates to smelting uses function element, specifically a kind of alarm type air brick.
Background technology
For satisfying the requirement that modern society improves constantly steel quality, the numerous and confused technology such as electromagnetic agitation, gas stirring that adopt are come even molten steel composition and temperature in continuous casting process, promote inclusion floating, wherein the gas stirring technique is generally applied owing to have advantages such as equipment is simple, easy to operate, cost is low, effective.Owing to be subjected to the influence of the characteristics of residing smelting equipment own, converter bottom-blown air brick and electric furnace bottom-blown air brick (hereinafter to be referred as converter and electric furnace air brick) are constantly deteriorated in smelting process, the bleed-out accident will take place as untimely warning replacing, therefore lose hugely, require converter and electric furnace will have good warning device or claim peace to show mode with air brick.
In the prior art, there is a kind of peace of with the bottom of air brick rod iron or the prefabricated section of anti-the material being installed to show mode at ladle, when air brick is deteriorated to minimum safe height, to see rod iron or the prefabricated section of anti-material the with the different contrasts of air brick from the section part of air brick, warn operating personnel's blowing out with this and in time change air brick, but owing to generally require converter and electric furnace to have long service life (reaching hundreds of usually) to several thousand stoves with air brick, so often all adopt the manufacturing of magnesium carbon material, so just make its whole section become more black, when deteriorating to minimum safe height, can't significantly distinguish rod iron or the prefabricated section of anti-the material by contrast, warning function is not obvious even do not have a warning function, therefore, the apparent mode of this peace is unsuitable for converter and electric furnace air brick.Also have a kind of peace to show among mode such as the Chinese patent literature CN201081561Y and disclose a kind of Alarm-type electric arc furnace bottom blowing gas supplying components, under air supply device safe altitude line, bury the warning steel pipe of radicle sealing underground at the air supply device inner bottom part, simultaneously the warning steel pipe is welded on the air chamber base plate, and communicate with the warning air inlet pipe, its air inlet is independent of the bottom blowing air inlet pipe, draws outside the air chamber, joins with air supply system; In addition, the warning steel pipe is connected with flow detector.This warning device is when the height of air supply device (being the electric furnace bottom-blown air brick) is in safe range, because warning steel pipe upper end closed, the flowmeter numerical value of warning air inlet pipe is zero; When the height of air supply device deteriorated under the safe altitude line, the upper end of warning steel pipe was melt through, the air demand surge, the flowmeter of warning air inlet pipe demonstrates numerical value, thereby give the alarm to operating personnel, air supply brick is changed in operating personnel's blowing out in time, prevents bleed-out.But the warning device of this structure has following shortcoming: 1. since the warning air inlet pipe pass air chamber and be communicated with the warning steel pipe, need pass through the air chamber place in the warning air inlet pipe tightly welds, with anti-gas-leak, increased the air brick making step, make operation become loaded down with trivial details, in case and weld leaks gas, must shut-down (breakdown) mainteance, production is made a big impact; 2. because the warning air inlet pipe must be passed air chamber and just can be communicated with the warning steel pipe, the warning air inlet pipe of the Zhi Zaoing part that need extend just can stretch into and draws air chamber like this, has caused certain cost to waste so undoubtedly; 3. owing to the warning air inlet pipe only is connected with a warning steel pipe, in case this root warning steel pipe is filled in cold steel (being that molten steel enters this warning steel pipe cooling curing), even if then the height of air supply device deteriorates below the safe altitude line, the upper end of this warning steel pipe also can't be circulated, air-flow can't pass through, flowmeter can not demonstrate any numerical value, can't start the warning effect, has very big potential safety hazard.
The utility model content
For this reason, technical problem to be solved in the utility model is to provide a kind of simple, safer and lower-cost alarm type air brick of manufacturing.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of alarm type air brick, comprise air brick body, be arranged on described air brick body bottom air chamber, be arranged on the tubule that described air brick body inside and lower end be communicated with described air chamber, the air inlet pipe that the upper end is communicated with described air chamber, the lower end of at least one described tubule is communicated with the compound permeability cell of formation by the pipe of reporting to the police with described air chamber, the length of described warning pipe is more than or equal to the minimum safe height of described alarm type air brick, and the cross-sectional area of described warning pipe is greater than the cross-sectional area of described tubule.
In the above-mentioned alarm type air brick, described air inlet pipe is provided with flowmeter.
In the above-mentioned alarm type air brick, the cross sectional shape of described warning pipe and described tubule is circular.
In the above-mentioned alarm type air brick, the lower end of at least two described tubules is communicated with the described compound permeability cell of formation by described warning pipe with described air chamber.
Technique scheme of the present utility model has the following advantages compared to existing technology: alarm type air brick 1. of the present utility model, in the alarm type air brick, be provided with compound permeability cell, the warning pipe of its lower end is communicated with air chamber, this warning pipe needn't pass air chamber, need not tightly to weld with the junction of air chamber at the pipe of reporting to the police, simplified the making step of air brick, its leak rate reduces greatly, improved production efficiency, even if this junction leaks gas, the gas that spills also can enter air brick body, can not have any impact to producing, and can fully guarantee production safety; 2. alarm type air brick of the present utility model, the warning pipe in the compound permeability cell need not special lengthening and make it to pass through air chamber, have saved part tubing, have saved production cost to a certain extent; 3. alarm type air brick of the present utility model, the lower end of at least two tubules is communicated with the compound permeability cell of formation by the pipe of reporting to the police with air chamber, even a certain warning pipe close is gone into cold steel, can also report to the police by other pipes of reporting to the police, and guarantees production safety.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the cutaway view of the utility model alarm type air brick.
Reference numeral is expressed as among the figure: 1-air brick body, 2-air chamber, 3-tubule, 4-air inlet pipe, 5-flowmeter, the 6-pipe of reporting to the police.
The specific embodiment
As shown in Figure 1, the alarm type air brick that the utility model provides is converter and electric furnace air brick, comprise air brick body 1, be arranged on described air brick body 1 bottom air chamber 2, be arranged on the tubule 3 that described air brick body 1 inside and lower end be communicated with described air chamber 2, the air inlet pipe 4 that the upper end is communicated with described air chamber 2.Described air brick body 1 is made by anti-material.
On described air inlet pipe 4, be provided with flowmeter 5, be used for measuring the gas flow of described air inlet pipe 4.The lower end of at least one described tubule 3 is communicated with the compound permeability cell of formation by the pipe 6 of reporting to the police with described air chamber 2, and the upper end of described tubule 3 is the outlet side of described compound permeability cell, and the lower end of described warning pipe 6 is the inlet end of described compound permeability cell.In the present embodiment, the lower end that two described tubules 3 are arranged is communicated with the compound permeability cell of formation by the pipe 6 of reporting to the police with described air chamber 2.
The length of described warning pipe 6 is more than or equal to the minimum safe height of described alarm type air brick, and in the present embodiment, the length of described warning pipe 6 equals the minimum safe height of described alarm type air brick.And the cross-sectional area of described warning pipe 6 is greater than the cross-sectional area of described tubule 3, and in the present embodiment, the cross sectional shape of described warning pipe 6 and described tubule 3 is circular.
The course of work of the alarm type air brick that the utility model provides is described in detail in detail below:
When described alarm type air brick normally used, described compound permeability cell was given vent to anger by the upper end of described tubule 3, and described flowmeter 5 shows a stability number; When described alarm type air brick is deteriorated described minimum safe height to described alarm type air brick, the described warning of described compound permeability cell is managed 6 upper ends and is circulated, gas will be from the upper end output of described warning pipe 6, because the cross-sectional area of described warning pipe 6 is greater than the cross-sectional area of described tubule 3, therefore gas flow will increase sharply, its numerical value will be apparent on the described flowmeter 5, give the alarm to operating personnel with this, described alarm type air brick is changed in the timely blowing out of alert, to guarantee safety in production.
Because the lower end that present embodiment has two described tubules 3 is communicated with the compound permeability cell of formation by the pipe 6 of reporting to the police with described air chamber 2, even wherein a described warning pipe 6 is filled in cold steel, can also report to the police by another described warning pipe 6, can guarantee production safety.
Described warning pipe 6 is communicated with described air chamber 2, but needn't pass described air chamber 2, therefore need not tightly to weld in the described warning pipe 6 and the junction of described air chamber 2, simplified the making step of described alarm type air brick, its leak rate reduces greatly, has improved production efficiency, even if this junction leaks gas, the gas that spills also can enter described air brick body 1, can not have any impact to producing, and can fully guarantee production safety; And described warning pipe 6 need not special lengthening and makes it to pass through described air chamber 2, has saved part tubing, has saved production cost to a certain extent.
In other embodiments, can make the lower end of the described tubule 3 of, five or other numbers be communicated with the compound permeability cell of formation with described air chamber 2 according to producing needs by the pipe 6 of reporting to the police.
In other embodiments, the length of described warning pipe 6 can be greater than the minimum safe height of described alarm type air brick, as long as can play the purpose that the caution operating personnel in time change described alarm type air brick.
In other embodiments, can on described air inlet pipe 4, not be provided with flowmeter 5, and adopt the manual observation molten steel to seethe the mode of situation, judge whether the upper end of described warning pipe 6 is circulated, when the upper end of described warning pipe 6 is circulated, seething of molten steel will become violent, and should change described alarm type air brick this moment.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (4)
1. alarm type air brick, comprise air brick body, be arranged on described air brick body bottom air chamber, be arranged on the tubule that described air brick body inside and lower end be communicated with described air chamber, the air inlet pipe that the upper end is communicated with described air chamber, it is characterized in that: the lower end of at least one described tubule is communicated with the compound permeability cell of formation by the pipe of reporting to the police with described air chamber, the length of described warning pipe is more than or equal to the minimum safe height of described alarm type air brick, and the cross-sectional area of described warning pipe is greater than the cross-sectional area of described tubule.
2. alarm type air brick according to claim 1 is characterized in that: described air inlet pipe is provided with flowmeter.
3. alarm type air brick according to claim 1 and 2 is characterized in that: the cross sectional shape of described warning pipe and described tubule is for circular.
4. alarm type air brick according to claim 1 and 2 is characterized in that: the lower end of at least two described tubules is communicated with the described compound permeability cell of formation by described warning pipe with described air chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201453499U CN201368673Y (en) | 2009-03-19 | 2009-03-19 | Alarming type air brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201453499U CN201368673Y (en) | 2009-03-19 | 2009-03-19 | Alarming type air brick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201368673Y true CN201368673Y (en) | 2009-12-23 |
Family
ID=41487564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201453499U Expired - Fee Related CN201368673Y (en) | 2009-03-19 | 2009-03-19 | Alarming type air brick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201368673Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114176A (en) * | 2011-11-17 | 2013-05-22 | 洛阳利尔耐火材料有限公司 | Sound-light alarm apparatus for preventing ladle bottom blowing air brick steel bleed-out |
| CN110578033A (en) * | 2019-09-24 | 2019-12-17 | 张家港宏昌钢板有限公司 | Converter bottom blowing replacement method |
-
2009
- 2009-03-19 CN CNU2009201453499U patent/CN201368673Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114176A (en) * | 2011-11-17 | 2013-05-22 | 洛阳利尔耐火材料有限公司 | Sound-light alarm apparatus for preventing ladle bottom blowing air brick steel bleed-out |
| CN110578033A (en) * | 2019-09-24 | 2019-12-17 | 张家港宏昌钢板有限公司 | Converter bottom blowing replacement method |
| CN110578033B (en) * | 2019-09-24 | 2021-11-23 | 张家港宏昌钢板有限公司 | Converter bottom blowing replacement method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20180319 |