CN201648409U - Tank for disintegrating steel-making high-temperature furnace slag - Google Patents
Tank for disintegrating steel-making high-temperature furnace slag Download PDFInfo
- Publication number
- CN201648409U CN201648409U CN2010201585132U CN201020158513U CN201648409U CN 201648409 U CN201648409 U CN 201648409U CN 2010201585132 U CN2010201585132 U CN 2010201585132U CN 201020158513 U CN201020158513 U CN 201020158513U CN 201648409 U CN201648409 U CN 201648409U
- Authority
- CN
- China
- Prior art keywords
- wall
- steel
- plate
- tank
- slag
- 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 - Fee Related
Links
Images
Classifications
-
- 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
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model provides a tank for disintegrating steel-making high-temperature furnace slag, which comprises a tank cover and a tank body. The tank body comprises a reinforced concrete outer wall and a metal inner wall. The inner wall adopts steel billets to form a square slag disintegrating chamber; a heat insulating layer is arranged between the inner wall and the outer wall and is communicated with the slag disintegrating chamber; a gap H is longitudinally arranged between every two steel billets; a fixed supporting block is arranged on the outer wall and is connected with the steel bars buried in the outer wall; a hook plate is arranged on the upper surface of the outer wall, and the longitudinal plate of the hook plate is in clearance fit with the upper part of the inner wall; a water drainage pipe is arranged on one side of the bottom of the tank body and is communicated with a water drainage port on one side of the bottom of the tank body; and a sealing device is arranged at the outer end of the water drainage pipe. The slag disintegrating tank is in a fully closed state during operation; and solves the problem that in the prior art, the stream is leaked from the water drainage port and other sites so that high pressure can not be formed in the tank. The high temperature stream generated in the slag disintegrating tank can be introduced into a steam recycling device through a steam recovery pipe, so as to greatly save heat energy, fully utilize heat energy and reduce production and operation costs of enterprises.
Description
Technical field
The utility model relates to the vexed slag device of steel-making high temperature furnace slag that smelting enterprise uses, and is the vexed slag ladle of a kind of steel-making high temperature furnace slag.
Background technology
Because a large amount of smelting slags needs to handle in metallurgy industry, when handling, also need to consider the problem of comprehensive utilization such as energy recovery, so, handling when directly entering high temperature slag in the vexed slag ladle by steel melting furnace, it is indeformable or when not blasting problem need to solve vexed slag ladle, and heat energy is all recycled.Tank body of the prior art can't be implemented in recovered steam under the High Temperature High Pressure, and, all copper smelter slag treatment facilities can't guarantee all that in use tank body does not produce explosion phenomenon now, owing under High Temperature High Pressure, make vexed slag ladle not produce distortion or blast, simultaneously recovery heat energy as much as possible again is a design that risk is bigger, and therefore this purpose of design is those skilled in the art's one of important topics of research always in recent years.
Summary of the invention
One of the purpose of this utility model is, makes vexed slag ladle vexed when separating high temperature furnace slag, and tank skin is indeformable, do not explode, and can improve the work-ing life of vexed slag ladle inside and outside wall, and is convenient to maintenance.Two of purpose is, makes vexed slag ladle be sealed state at work, and the high-temperature steam that produces in the vexed slag ladle is all reclaimed.
The utility model for achieving the above object, be achieved through the following technical solutions: the vexed slag ladle of steel-making high temperature furnace slag, comprise cover and tank body, tank base is provided with reinforced concrete footing, base in the metal is installed on the base, the vapor recovery pipe is installed on tank body top, on the cover internal surface shower is installed, the shower outer end is connected with water inlet pipe, tightness system is installed in cover and tank body junction, tank body is made of Steel Concrete outer wall and metal inner surface, inwall adopts the steel billet piece to surround square vexed slag chamber, thermofin is set between the inner and outer wall, thermofin communicates with vexed slag chamber, between per two blocks of steel billets the gap is set vertically, the outer wall middle part installs and fixes back-up block, the fixed support block reinforcing bar interior with imbedding outer wall is connected, and reinforcing bar is imbedded in the outer wall bottom, and reinforcing bar is connected with retaining plate, offer locating slot on the retaining plate, inner wall outside is connected with locating convex block, and locating convex block cooperates with locating slot, and the outer wall upper surface is installed hook plate, hook plate and upper inside wall running fit, tank base one side fixes a drainpipe, and water shoot communicates with the water port of tank base one side, and enclosed appts is installed in the water shoot outer end.Described enclosed appts has a seal valve cylinder body that is installed in the water shoot outer end, and articulated axle is installed at place, upper edge, seal valve cylinder body outer end, and the seal valve cylinder cap is installed on the articulated axle, and the seal valve cylinder cap is fixedlyed connected with connecting rod one end, and the connecting rod the other end is connected with power set.The structure of the tightness system that install cover and tank body junction is, at the outer wall upper surface metal permanent seat is installed, permanent seat distributes around the outer wall upper surface, first baffle plate and second baffle are installed on the permanent seat, between first baffle plate and the permanent seat swash plate is installed, the permanent seat and first baffle plate and second baffle surround tank, back up pad is installed in the cover outside, back up pad is connected with second web plate with first web plate, between first web plate and second web plate sealing-ring is installed, when cover covered on tank body, sealing-ring touched mutually with swash plate.Install slag plate between second baffle top and inwall inner top side, the slag plate that falls is for tilting to install.At the cover outside surface hook base is installed, is installed and fixed seat in the plane parallel with the outer wall upper surface, permanent seat is connected with steel cable one end, and the steel cable the other end is connected with hook base.Imbed fixation steel plate around the outer wall top, fixation steel plate is connected with the metal permanent seat.
Advantage of the present utility model is: vexed slag ladle of the present utility model is used for copper smelter slag directly enters a jar interior vexed slag after coming out of the stove, slag temperature is higher than 700 ℃, the utility model has been avoided on the slag surface or the seeping phenomenon in slit between slag and slag, ponding can in time be drained, thereby easily produce the difficult problem of blast when thoroughly having solved the vexed slag of high temperature.Because the reasonable in design of the utility model tank body, inwall under High Temperature High Pressure does not produce distortion, outer wall does not produce explosion, increase substantially the work-ing life of inside and outside wall, and inner wall section is easy to when damaging change, solve inner wall section damage in the prior art, needed the deficiency that inwall is all destroyed; The lifting of cover is convenient; Cover does not produce mobile under High Temperature High Pressure, and the safety in production coefficient is high.Vexed slag ladle of the present utility model can be in full closeding state when work, having solved in the prior art steam is located to leak by water port etc. and can't form high pressure in making jar, make the deficiency of part vapor losses, can make the high-temperature steam that produces in the vexed slag ladle enter the vapor recovery use device by the vapor recovery pipeline, thereby save heat energy in a large number, heat energy is made full use of, thereby reduced enterprise's production run cost.
Description of drawings
Accompanying drawing 1 is the utility model structural representation; Accompanying drawing 2 is plan structure synoptic diagram of accompanying drawing 1; Accompanying drawing 3 is I portion structure for amplifying synoptic diagram in the accompanying drawing 1, is the tightness system between lid or tank body; Accompanying drawing 4 is A-A sectional structure synoptic diagram in the accompanying drawing 2; Accompanying drawing 5 is II portion structure for amplifying synoptic diagram in the accompanying drawing 4; Accompanying drawing 6 be in the accompanying drawing 1 B to the structure for amplifying synoptic diagram; Accompanying drawing 7 is D-D section structure for amplifying synoptic diagram in the accompanying drawing 1.
Embodiment
The contrast accompanying drawing is described further the utility model.
Vexed slag ladle shown in the figure comprises tank body and cover 19, tank base is provided with reinforced concrete footing 11, base 1 in the metal is installed on the base 11, shower 21 is installed on cover 19 internal surfaces, shower 21 outer ends are connected with water inlet pipe 23, tightness system is installed in cover and tank body junction, tank body is made of Steel Concrete outer wall 14 and metal inner surface 12, inwall 12 adopts the steel billet piece to surround square vexed slag chamber, between inwall 12 and the outer wall 14 thermofin 43 is set, and thermofin 43 communicates with vexed slag chamber, make jar interior high-temperature steam that produces enter thermofin 43 fast, can protect inwall not produce distortion, make the outer wall inboard bear the temperature of steam, outer wall does not produce explosion; Between the per two blocks of steel billets of inwall described in the utility model gap H is set vertically, this gap can make between the water on slag surface or slag and slag the water in slit in time flow in the thermofin 43 and drain, do not occur seeping phenomenon in the vexed slag ladle thereby make, thoroughly avoided hot slag to contact the explosion phenomenon that produces with ponding.In order to realize structural modification of the present utility model, designed the syndeton between inside and outside wall: outer wall 14 middle parts install and fix back-up block 13, fixed support block 13 reinforcing bar interior with imbedding outer wall is connected, reinforcing bar 41 is imbedded in outer wall 14 bottoms, reinforcing bar 41 is connected with retaining plate 25, offer locating slot 40 on the retaining plate 25, inwall 12 outsides are connected with locating convex block 42, locating convex block 42 cooperates with locating slot 40, and outer wall 14 upper surfaces are installed hook plate 30, and hook plate 30 cooperates with inwall 12 upper gap, hook plate 30 has transverse plate and vertical plate, two plates are 90 ° of connections, and vertical plate of hook plate 30 cooperates with inwall 12 upper gap, as Fig. 1, Fig. 3 and shown in Figure 7.The syndeton of this inside and outside wall is convenient to change steel billet, can make steel billet have one to move freely the space, is connected firmly accurate positioning.Vapor recovery pipe 24 is installed on tank body of the present utility model top, and this pipe communicates with vapor-recovery unit, and steam is recycled by this pipe in jar.Base 1 adopts steel billet to make in of the present utility model, damage base when avoiding slagging tap, and can make and slag tap totally, interior base 1 is by the steel billet bevel, the inclined-plane lowest part touches mutually with through hole on the inwall 12, and tank base one side fixes a drainpipe 3, and water shoot 3 communicates with the water port of tank base one side, water shoot 3 passes outer wall 14, and enclosed appts is installed in water shoot 3 outer ends.
Enclosed appts of the present utility model can be structures such as pipe close or lid, as long as can be with water shoot 3 sealings.Be in air-tight state when making the work of vexed slag ladle, the enclosed appts of design is: seal valve cylinder body 4 is installed in water shoot 3 outer ends, articulated axle is installed at place, upper edge, seal valve cylinder body 4 outer end, seal valve cylinder cap 5 is installed on the articulated axle, seal valve cylinder cap 5 is fixedlyed connected with connecting rod 7 one ends, connecting rod 7 the other ends are connected with power set 9, power set 9 can be a hydro-cylinder, also can be that motor etc. can drivening rod 7 reciprocating structures, when needs are closed seal valve, the device that turns on the power drives seal valve cylinder caps 5 by connecting rod 7 and rotates around articulated axle, the purpose that seal valve is reached close or open.The rigidity fitted seal is adopted in sealing between seal valve cylinder cap 5 and the water shoot 3, also can adopt the sealing-ring sealing.That is: the inwall with seal valve cylinder cap 5 is designed to cone, and this cone cooperates with water shoot 3 inner chambers, perhaps adopts the high-temperature resistant seal ring sealing.
Further scheme described in the utility model is: install slag plate 28 between second baffle 27 tops and inwall 12 inner top side, fall slag plate 28 for tilting to install, this structure can avoid slag to remain in tank body upper end limit Kou Chu, slag is entered in jar chamber smoothly, it is suitable for reading to avoid slag to damage inside and outside wall, thereby further improves inside and outside wall work-ing life.
The utility model lifts by crane cover 19 for convenience, on cover 19 outside surfaces suspending bars permanent seat 20 has been installed.Shower described in the utility model is uniform distribution in length and breadth, makes that slag is vexed as early as possible to be separated.
Because the utility model is to make jar interior vexed slag of High Temperature High Pressure of realizing, in order to prevent that cover 19 under high pressure moving up, at cover 19 outside surfaces hook base 18 is installed, in the plane parallel, install and fix seat 16 with outer wall 14 upper surfaces, permanent seat 16 is connected with steel cable 17 1 ends, and steel cable 17 the other ends are connected with hook base 18, makes cover 19 that downward pulling force be arranged all the time, guarantee security, and steam is not leaked as far as possible.
Tightness system between cover of the present utility model and the tank body, can adopt the known technology sealing, but sealing effectiveness is not good enough, the vapor recovery rate reduces, adopt tightness system best results described in the utility model, high temperature and high pressure steam can not leaked by cover and tank body junction, thereby has further improved the rate of recovery of steam, makes the vapor recovery rate reach higher level.The structure of the optimal seal device that the utility model provides is: at outer wall 14 upper surfaces metal permanent seat 15 is installed, permanent seat 15 distributes around outer wall 14 upper surfaces, first baffle plate 26 and second baffle 27 are installed on the permanent seat 15, swash plate 47 is installed between first baffle plate 26 and the permanent seat 15, the permanent seat 15 and first baffle plate 26 and second baffle 27 surround tank 48, back up pad 45 is installed in cover 19 outsides, back up pad 45 is connected with second web plate 46 with first web plate 44, sealing-ring 22 is installed between first web plate 44 and second web plate 46, when cover 19 covered on tank body, sealing-ring 22 touched mutually with swash plate 47.In the tank 48 is mobile water, can offer water-in and water outlet on first baffle plate 26, makes the water in the tank 48 form circulation, thereby reaches the purpose to the tightness system cooling, improves sealing property.The sealing-ring of installing between first web plate 44 and second web plate 46 adopts bolting, also a backing plate can be installed between two web plates, as shown in Figure 3, is used to regulate the deflection of sealing-ring 22.Imbed fixation steel plate 10 around outer wall described in the utility model 14 tops, fixation steel plate 10 is connected with metal permanent seat 15.Fixation steel plate 10 is used to prevent that steam from outwards distributing by each parts junction, outer wall 14 upper ends, so that further improve the vapor recovery rate.
2 is to filter grid among the figure, the 6th, the mounting plate of seal valve cylinder cap 5, this is another program that seal valve cylinder cap 5 is installed, this mounting plate 6 is installed in water shoot 3 upper ends, the outer end of mounting plate 6 is positioned at the top, outer end of water shoot 3, on mounting plate 6, hinge axis is installed, the 8th, pull bar, when power set 9 and seal valve cylinder cap 5 planes of living in have remote or in Different Plane the time, can adopt pull bar 8 commutations, the 29th, web member, the 32nd, the hook base, it is installed on the permanent seat 15, hook base 32 is hinged with hook 33 1 ends, link to each other with mobile hook plate 36 when linking up with the use of 33 the other ends, mobile hook plate 36 is by the vertical bolt 37 of adjusting, crosswise fixed bolt 39 is connected with cover 19 with hook seat 38, makes cover 19 that a downward pressure be arranged, further reinforcement cover 19 contacts with tank body, the 31st, lifting peg, the 34th, pad, the 35th, base.
Claims (6)
1. steel-making high temperature furnace slag vexed slag ladle, comprise cover and tank body, tank base is provided with reinforced concrete footing (11), base (11) is gone up base (1) in the metal is installed, vapor recovery pipe (24) is installed on tank body top, on cover (19) internal surface shower (21) is installed, shower (21) outer end is connected with water inlet pipe (23), tightness system is installed in cover and tank body junction, it is characterized in that: tank body is made of Steel Concrete outer wall (14) and metal inner surface (12), inwall (12) adopts the steel billet piece to surround square vexed slag chamber, between inwall (12) and the outer wall (14) thermofin (43) is set, thermofin (43) communicates with vexed slag chamber, between per two blocks of steel billets gap (H) is set vertically, outer wall (14) middle part installs and fixes back-up block (13), fixed support block (13) reinforcing bar interior with imbedding outer wall is connected, reinforcing bar (41) is imbedded in outer wall (14) bottom, reinforcing bar (41) is connected with retaining plate (25), offer locating slot (40) on the retaining plate (25), inwall (12) outside is connected with locating convex block (42), locating convex block (42) cooperates with locating slot (40), outer wall (14) upper surface is installed hook plate (30), hook plate (30) cooperates with inwall (12) upper gap, tank base one side fix a drainpipe (3), water shoot (3) communicates with the water port of tank base one side, and enclosed appts is installed in water shoot (3) outer end.
2. the vexed slag ladle of steel-making high temperature furnace slag according to claim 1, it is characterized in that: described enclosed appts has a seal valve cylinder body (4) that is installed in water shoot (3) outer end, articulated axle is installed at place, seal valve cylinder body (4) upper edge, outer end, seal valve cylinder cap (5) is installed on the articulated axle, seal valve cylinder cap (5) is fixedlyed connected with connecting rod (7) one ends, and connecting rod (7) the other end is connected with power set (9).
3. the vexed slag ladle of steel-making high temperature furnace slag according to claim 1, it is characterized in that: the structure of the tightness system that install cover and tank body junction is, at outer wall (14) upper surface metal permanent seat (15) is installed, permanent seat (15) distributes around outer wall (14) upper surface, permanent seat (15) is gone up first baffle plate (26) and second baffle (27) is installed, between first baffle plate (26) and the permanent seat (15) swash plate (47) is installed, permanent seat (15) surrounds tank (48) with first baffle plate (26) and second baffle (27), back up pad (45) is installed in cover (19) outside, back up pad (45) is connected with second web plate (46) with first web plate (44), between first web plate (44) and second web plate (46) sealing-ring (22) is installed, when cover (19) covered on tank body, sealing-ring (22) touched mutually with swash plate (47).
4. the vexed slag ladle of steel-making high temperature furnace slag according to claim 3 is characterized in that: install slag plate (28) between second baffle (27) top and inwall (12) inner top side, the slag plate that falls (28) is for tilting to install.
5. the vexed slag ladle of steel-making high temperature furnace slag according to claim 1 and 2, it is characterized in that: hook base (18) is installed at cover (19) outside surface, in the plane parallel, install and fix seat (16) with outer wall (14) upper surface, permanent seat (16) is connected with steel cable (17) one ends, and steel cable (17) the other end is connected with hook base (18).
6. the vexed slag ladle of steel-making high temperature furnace slag according to claim 1 is characterized in that: imbed fixation steel plate (10) around outer wall (14) top, fixation steel plate (10) is connected with metal permanent seat (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201585132U CN201648409U (en) | 2010-02-10 | 2010-03-16 | Tank for disintegrating steel-making high-temperature furnace slag |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020111669 | 2010-02-10 | ||
| CN201020111669.5 | 2010-02-10 | ||
| CN2010201585132U CN201648409U (en) | 2010-02-10 | 2010-03-16 | Tank for disintegrating steel-making high-temperature furnace slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201648409U true CN201648409U (en) | 2010-11-24 |
Family
ID=43113638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201585132U Expired - Fee Related CN201648409U (en) | 2010-02-10 | 2010-03-16 | Tank for disintegrating steel-making high-temperature furnace slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201648409U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014197A (en) * | 2012-12-27 | 2013-04-03 | 安阳钢铁股份有限公司 | Steel slag hot-braising treatment device |
| CN103981307A (en) * | 2014-05-30 | 2014-08-13 | 中冶华天南京工程技术有限公司 | Mobile hot smoldering slag treatment line |
| CN106439177A (en) * | 2016-09-22 | 2017-02-22 | 陈龙阵 | Toggle rod bursting type impact quick release valve |
| CN107574272A (en) * | 2017-10-23 | 2018-01-12 | 张化机（苏州）重装有限公司 | A kind of laterally opened hot vexed tank of arm |
| CN108754053A (en) * | 2018-07-10 | 2018-11-06 | 航天金洲（北京）能源科技有限公司 | A kind of producing steam autoclave pressure |
| CN113462831A (en) * | 2021-07-29 | 2021-10-01 | 中冶节能环保有限责任公司 | Slag tank filtering device and method for steel slag pretreatment |
| CN113943840A (en) * | 2021-10-19 | 2022-01-18 | 新疆八一钢铁股份有限公司 | Low-emission treatment method for steel-making metallurgical steel slag |
| CN117604171A (en) * | 2023-11-23 | 2024-02-27 | 中南大学 | Environment-friendly treatment system for high-temperature waste residues in steel smelting |
-
2010
- 2010-03-16 CN CN2010201585132U patent/CN201648409U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014197A (en) * | 2012-12-27 | 2013-04-03 | 安阳钢铁股份有限公司 | Steel slag hot-braising treatment device |
| CN103981307A (en) * | 2014-05-30 | 2014-08-13 | 中冶华天南京工程技术有限公司 | Mobile hot smoldering slag treatment line |
| CN103981307B (en) * | 2014-05-30 | 2016-05-04 | 中冶华天南京工程技术有限公司 | The vexed slag of mobile hot is processed line |
| CN106439177B (en) * | 2016-09-22 | 2018-11-09 | 南京金匡环保科技有限公司 | Toggle link pop formula impact quick release valve |
| CN106439177A (en) * | 2016-09-22 | 2017-02-22 | 陈龙阵 | Toggle rod bursting type impact quick release valve |
| CN107574272A (en) * | 2017-10-23 | 2018-01-12 | 张化机（苏州）重装有限公司 | A kind of laterally opened hot vexed tank of arm |
| CN108754053A (en) * | 2018-07-10 | 2018-11-06 | 航天金洲（北京）能源科技有限公司 | A kind of producing steam autoclave pressure |
| CN108754053B (en) * | 2018-07-10 | 2024-04-19 | 中冶节能环保有限责任公司 | Pressure kettle for producing steam |
| CN113462831A (en) * | 2021-07-29 | 2021-10-01 | 中冶节能环保有限责任公司 | Slag tank filtering device and method for steel slag pretreatment |
| CN113462831B (en) * | 2021-07-29 | 2024-01-09 | 中冶节能环保有限责任公司 | Slag pot filtering device and method for steel slag pretreatment |
| CN113943840A (en) * | 2021-10-19 | 2022-01-18 | 新疆八一钢铁股份有限公司 | Low-emission treatment method for steel-making metallurgical steel slag |
| CN117604171A (en) * | 2023-11-23 | 2024-02-27 | 中南大学 | Environment-friendly treatment system for high-temperature waste residues in steel smelting |
| CN117604171B (en) * | 2023-11-23 | 2024-05-28 | 中南大学 | Environment-friendly treatment system for high-temperature waste residues in steel smelting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201648409U (en) | Tank for disintegrating steel-making high-temperature furnace slag | |
| CN108754053B (en) | Pressure kettle for producing steam | |
| CN104372125B (en) | A kind of slag has pressure hot disintegrating device and using method thereof | |
| CN209652351U (en) | A kind of blast furnace crucibe catchments drainage arrangement | |
| CN101205566B (en) | Mechanical sealing device for movable smoke hood of converter vaporization cooling system | |
| CN201106024Y (en) | Smoldering furnace for steel-smelting high-temperature slag | |
| CN103014197A (en) | Steel slag hot-braising treatment device | |
| CN109735672B (en) | Water collecting and draining method and device for blast furnace hearth | |
| CN201825987U (en) | Novel sealing device for high-temperature resistant protective gas | |
| CN201548063U (en) | Water-cooling protecting device for oxygen lance of oxygen bottom-blowing furnace | |
| CN202766548U (en) | Miniature cooler of shaft furnace | |
| CN110714105B (en) | Liquid steel slag retaining wall of converter with long service life | |
| CN207828330U (en) | A kind of drainage arrangement of steel slag hot disintegrating technique | |
| CN201102937Y (en) | Equipment for heat treatment of melted steel scoria | |
| CN220352158U (en) | Blast furnace buried pipe type furnace throat steel brick | |
| CN204311072U (en) | Cooling and draining device for blast furnace shell | |
| CN201506824U (en) | Split crystallizer | |
| CN201136878Y (en) | Mechanical sealing device for movable smoke hood of converter vaporization cooling system | |
| CN215799669U (en) | Iron notch structure for preventing gas leakage | |
| CN213570554U (en) | Guiding gutter at bottom of hot stuffy pit | |
| CN220887572U (en) | Molten steel slag treatment and heat recovery system | |
| CN203642663U (en) | Shaft furnace anti-collision furnace wall and shaft furnace | |
| CN212109536U (en) | Local zinc liquid freezing device for maintaining power frequency induction furnace | |
| CN220541697U (en) | Arc discharge preventing structure of electric furnace | |
| CN220887575U (en) | Blast furnace bottom water-cooled tube supporting structure |
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: 20101124 Termination date: 20170316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |