CN2910418Y - Integral air permeable bricks for preventing molten steel from leakage and infiltration - Google Patents

Integral air permeable bricks for preventing molten steel from leakage and infiltration Download PDF

Info

Publication number
CN2910418Y
CN2910418Y CN 200620115249 CN200620115249U CN2910418Y CN 2910418 Y CN2910418 Y CN 2910418Y CN 200620115249 CN200620115249 CN 200620115249 CN 200620115249 U CN200620115249 U CN 200620115249U CN 2910418 Y CN2910418 Y CN 2910418Y
Authority
CN
China
Prior art keywords
metal
molten steel
bend pipe
air permeable
integral air
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
Application number
CN 200620115249
Other languages
Chinese (zh)
Inventor
贺中央
王锋刚
李天清
孙荣海
陈勇
张金龙
刘国勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Puyang Pu hi temperature material (material) Limited by Share Ltd.
Original Assignee
PUYANG REFRACTORIES CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PUYANG REFRACTORIES CO Ltd filed Critical PUYANG REFRACTORIES CO Ltd
Priority to CN 200620115249 priority Critical patent/CN2910418Y/en
Application granted granted Critical
Publication of CN2910418Y publication Critical patent/CN2910418Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Treatment Of Steel In Its Molten State (AREA)

Abstract

The utility model discloses an integral air permeable bricks for preventing molten steel from leakage and infiltration, which comprises an air permeable brick core, an argon blowing base brick, an air chamber and a metallic air supply system, in which the metallic air supply system comprises a group of metal thin bend pipe, an inverted valve and a thick metal pipe. One end of the metal thin bend pipe is communicated with the air chamber, while the other end is communicated with the inverted valve, and the bottom end of the inverted valve is connected with the metal pipe. The utility model can prevent effectively the molten steel from leaking when the air permeable brick core is abnormally damaged, thereby reducing the steel leakage risk of integral air permeable bricks, guaranteeing the safe use of the integral air permeable bricks, simultaneously, effectively preventing the molten steel from infiltration into small gaps and the blocking of small gaps and guaranteeing stable use of integral air permeable bricks.

Description

Anti-bleed-out antiseepage steel integral air brick
Technical field
The utility model relates to a kind of integral air brick, relates in particular to a kind of ladle bottom blowing gas that is used for and can reduce the STEELMAKING PRODUCTION process and ooze the steel risk and can prevent that ventilative slit from oozing the integral air brick of steel problem.
Background technology
Along with the widespread demand of steel and iron industry to the steel degree of purity, air brick has become the core component of external refining and stove post processing.Integral air brick is widely used on the large-scale refining ladle owing to having advantages such as comparatively safe coefficient height, life-span be long, easy for installation.The assembly model of air brick core and brick cup has two kinds in the existing integral air brick, a kind of is that air brick core base plate exposes, another kind is that air brick core base plate is imbedded in the brick cup, the inlet channel of these two kinds of integral air bricks all is a crude metal pipe, weld with air brick core base plate, in integral air brick when work,, gas enters the air brick core air chamber from crude metal, goes in the ladle but in use there are following two problems in above-mentioned two kinds of structures through air brick core slit blow again.
(1), in use owing to institute's air blowing body purity with when excessively reason such as uses causes from air brick core bleed-out, because the huge passage of original crude metal pipe formation, molten steel is easy to and will leaks outside along this passage integral air brick, causes security incident;
(2), existing integral air brick air chamber is managed behind crude metal with extraneous and directly is connected, when air blowing finish, when external pipe is closed, the gentle room pressure of air brick core slit disappears, molten steel can pour with bigger kinetic energy in the air brick core slit, cause and ooze steel, these ooze steel need adopt the cleaning of burning oxygen, has reduced the air brick life-span, can cause the bottom blowing failure when serious, influence the normal operation of ladle.
Summary of the invention
In order to solve the problem of above-mentioned existence, the purpose of this utility model provides a kind of bleed-out risk that can reduce and guarantees the integral air brick safe handling, can stop slit again and ooze the anti-bleed-out integral air brick that the steel problem guarantees the stable use of air brick.
The technical solution of the utility model is to realize like this, a kind of anti-bleed-out antiseepage steel integral air brick, comprise air brick core, Argon brick cup, air chamber and metal air supply system, wherein the metal air supply system is made up of the thin bend pipe of metal, a check valve and a crude metal pipe, one end of the thin bend pipe of metal is communicated with air chamber, the other end is communicated with check valve, and the lower end of check valve connects the crude metal pipe.
The tie point of thin bend pipe of metal and check valve is on the same cross section of check valve.
The diameter of the thin bend pipe of metal is with the suitable difficulty that increases molten steel along the infiltration of metal winding pipe passage, and the quantity of the thin bend pipe of metal is different because of different service conditions, and the diameter of the thin bend pipe of metal is 3-10mm, and the best is 8mm.
The thin bend pipe group of metal is a star, and the quantity of the thin bend pipe of metal has actual required Air permenbility to determine, is generally the six roots of sensation.
Air brick core and Argon brick cup are refractory material, and the thin bend pipe material of metal can be a steel or copper etc., is preferably stainless steel.
Compared with prior art, the beneficial effects of the utility model are:
1, because more than the one group thin bend pipe group of metal that is star-like distribution forms tiny, crooked passage in Argon brick cup refractory material, when molten steel along this passage during to external leakage, the distance and the time of process are longer, there is time enough to cool off and stop the leakage of follow-up molten steel, thereby reduce the risk of integral air brick bleed-out, guarantee the safe handling of integral air brick.
2, the passage of air brick in-core gas leak is cut off in the setting of check valve automatically when externally gas pipeline is pulled out or closed, in air brick core slit and air chamber, guarantee enough gas pressures, effectively stop molten steel in slit, to permeate, avoid the slit blockage problem, guarantee the stable use of integral air brick.
Description of drawings
Fig. 1 is an integral air brick profile of the prior art;
Fig. 2 is an integral air brick generalized section of the present utility model;
Fig. 3 is the thin bend pipe of star metal in the integral air brick of the present utility model and the syndeton schematic diagram of check valve;
Fig. 4 is the another kind of syndeton schematic diagram of thin bend pipe of star metal and check valve.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, but not as to qualification of the present utility model.
As shown in Figure 1, integral air brick of the prior art comprises air brick core 1, Argon brick cup 2 and crude metal pipe 3, when air brick core 1 during in operate as normal, integral air brick can be realized the air blowing operation of stability and safety, but when the air brick core in the integral air brick 1 takes place to deteriorate unusually when causing molten steel to enter air chamber, molten steel is along the situation of crude metal pipe 3 roads to external leakage.Because at present used crude metal pipe diameter is generally about 20~30mm, and straight-through extraneous, molten steel is easy to spill ladle along this passage, causes serious security incident.
As Fig. 2, Fig. 3, shown in Figure 4, integral air brick of the present utility model, comprise air brick core 1, Argon brick cup 2, air chamber 4 and metal air supply system, wherein the metal air supply system is made up of the thin bend pipe of one group of star metal 5, a check valve 6 and a crude metal pipe 3, one end of the thin bend pipe 5 of metal is communicated with air chamber 4, the other end is communicated with check valve 6, and the lower end of check valve 6 connects crude metal pipe 3.The thin bend pipe 5 of star metal is the six roots of sensation.
When air brick core 1 thin curved passage that molten steel when causing molten steel to enter air chamber 4 forms along star-like thin metal winding pipe 5 takes place to deteriorate unusually to external leakage, because the sub-thread molten steel flow is little, crooked passage has time enough to make molten steel cools, when the front end liquid steel temperature reduces the viscosity increase, can stop the further leakage of molten steel, prevent that molten steel from draining to the purpose that ladle causes serious security incident outward thereby reach.
In addition, check valve 6 is when the air brick operate as normal, automatically cut off the passage of gas leak in the air brick core 1 when externally gas pipeline is pulled out or closed, in air brick core 1 slit and air chamber 4, guarantee enough gas pressures, effectively stop molten steel in slit, to permeate, avoid the slit blockage problem, guarantee the stable use of integral air brick.
The quantity of the thin bend pipe 5 of metal is determined according to actual service conditions, can be the 2-15 root, and the thin bend pipe 5 of metal can adopt irregular distribution in Argon brick cup 2, and the thin bend pipe 5 of metal can be connected on the arbitrfary point of check valve 6 sides.
Those of ordinary skill for described technical field, check valve 6 in the anti-bleed-out antiseepage steel integral air brick of the present utility model is not limited in the part that has shown in accompanying drawing 3 and 4 and is arranged in brick cup 2, check valve 6 also can be positioned at brick cup 2 outsides fully, be that thin metal pipe 5 extends to that brick cup 2 is outside to be connected with the check valve 6 that is positioned at the brick cup outside fully, the check valve other end connects crude metal pipe 3, thereby check valve 6 is reusable with extra heavy pipe 3 like this.
Those of ordinary skill for described technical field, the quantity of thin metal winding pipe is not limited in 6 shown in accompanying drawing 3 and 4 and 8 in the star-like thin metal winding pipe group in the anti-bleed-out antiseepage steel integral air brick of the present utility model, according to the integral air brick of determining service condition, be less than 6 or more than 6, for example the thin metal winding pipe of 2-15 root can be realized purpose described in the utility model equally.Even many thin metal winding pipe groups that adopt irregular distribution also are feasible.
Obviously, the foregoing description of the present utility model only is for clearer explanation the utility model example, and is not the restriction of embodiment that the utility model is done.For those of ordinary skill in the field; can also make other multi-form variation and change on the basis of the above description; here need not also can't make all embodiments exhaustive, and these belong to variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.

Claims (4)

1, a kind of anti-bleed-out antiseepage steel integral air brick, comprise air brick core, Argon brick cup, air chamber and air supply system, it is characterized in that air supply system is made up of one group of thin bend pipe of metal, a check valve and a crude metal pipe, one end of the thin bend pipe of metal is communicated with air chamber, the other end is communicated with check valve, and the lower end of check valve connects the crude metal pipe.
2, a kind of anti-bleed-out antiseepage steel integral air brick according to claim 1 is characterized in that the thin bend pipe group of described metal is a star, and the quantity of the thin bend pipe of metal is the 2-15 root.
3, a kind of anti-bleed-out antiseepage steel integral air brick according to claim 1 and 2, the tie point that it is characterized in that thin bend pipe of described metal and check valve is on the same cross section of check valve.
4, a kind of anti-bleed-out antiseepage steel integral air brick according to claim 1 and 2, the diameter that it is characterized in that the thin bend pipe of described metal is 3-10mm.
CN 200620115249 2006-05-12 2006-05-12 Integral air permeable bricks for preventing molten steel from leakage and infiltration Expired - Lifetime CN2910418Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620115249 CN2910418Y (en) 2006-05-12 2006-05-12 Integral air permeable bricks for preventing molten steel from leakage and infiltration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620115249 CN2910418Y (en) 2006-05-12 2006-05-12 Integral air permeable bricks for preventing molten steel from leakage and infiltration

Publications (1)

Publication Number Publication Date
CN2910418Y true CN2910418Y (en) 2007-06-13

Family

ID=38132283

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620115249 Expired - Lifetime CN2910418Y (en) 2006-05-12 2006-05-12 Integral air permeable bricks for preventing molten steel from leakage and infiltration

Country Status (1)

Country Link
CN (1) CN2910418Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113333725A (en) * 2021-06-02 2021-09-03 武汉科技大学 Magnetic composite Tesla valve type slit air brick

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113333725A (en) * 2021-06-02 2021-09-03 武汉科技大学 Magnetic composite Tesla valve type slit air brick
CN113333725B (en) * 2021-06-02 2022-02-25 武汉科技大学 Magnetic composite Tesla valve type slit air brick

Similar Documents

Publication Publication Date Title
CN203374326U (en) Optimized rear cylinder water spray system
CN2910418Y (en) Integral air permeable bricks for preventing molten steel from leakage and infiltration
CN207659475U (en) A kind of online quickly improvement iron mouth spraying and splashing facility
CN110846452A (en) Device and method for searching leakage point of damaged cooling wall of blast furnace
CN205781978U (en) Chemical agent filling sledge
CN201825987U (en) Novel sealing device for high-temperature resistant protective gas
CN209260137U (en) It is a kind of for the circulating pipe gas leakage detection of RH refining furnace vacuum tank, cooling device
CN203489709U (en) Fire door cooling device
CN207130286U (en) A kind of Blast Furnace Bottom
CN201190165Y (en) Taphole of blowing-on of blast furnace with wind pressure tube
CN102788048A (en) Engineering mechanical hydraulic oil tank, control method thereof and engineering machine
CN211122335U (en) Hydraulic test system applied to large-pipe-diameter conveying pipeline
CN203426427U (en) Device for treating situation that vanadium-titanium melted iron adheres to the tank
CN208123053U (en) The preposition protective device of piston high-pressure pump
CN202164311U (en) Water-cooling structure iron storing type iron runner
CN108050847B (en) Metallurgy siphon tapping method
CN207552162U (en) Kiln throat tubular construction
CN204752642U (en) Gasifier water -cooling wall
CN213327684U (en) Novel RH furnace roof gun structure
CN103464733A (en) Method and device for treating sticking of vanadium-and-titanium-containing molten iron on ladle
CN110586915A (en) Construction method for preventing blockage of online steel ladle air brick
CN207778447U (en) A kind of wall mounting type heating stove inlet structure
CN217809516U (en) Open copper water cooling device for blast furnace slag runner nozzle
CN103898260A (en) Automatic coal gas diffusion device with pressure stabilizing function
CN201275616Y (en) Breakout-proof air brick backing brick and locking mechanism

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

Owner name: PUYANGPU HIGH TEMPERATURE RESISTANT MATERIAL(MATER

Free format text: FORMER NAME OR ADDRESS: PUYANGPU HIGH-TEMPERATURE RESISTANT MATERIALS CO., LTD.

CP03 Change of name, title or address

Address after: 457100 middle section of West Ring Road, Puyang City, Henan

Patentee after: Puyang Pu hi temperature material (material) Limited by Share Ltd.

Address before: 457100 middle section of West Ring Road, Puyang City, Henan

Patentee before: PUYANG REFRACTORIES Co.,Ltd.

CU03 Publication of corrected utility model

Correction item: Patentee name

Correct: Puyang Refractories Group Co., Ltd.

False: Puyang Pu hi temperature material (material) Limited by Share Ltd

Number: 38

Page: 758

Volume: 23

ERR Gazette correction

Free format text: CORRECT: NAME OF PATENTEE; FROM: PUYANGPU HIGH TEMPERATURE RESISTANT MATERIAL(MATERIAL)CO., LTD. TO: PUYANGPU HIGH TEMPERATURE RESISTANT MATERIAL(GROUP)CO., LTD.

CX01 Expiry of patent term

Granted publication date: 20070613

EXPY Termination of patent right or utility model