CN109576436A - Compulsory circulative cooling flue - Google Patents
Compulsory circulative cooling flue Download PDFInfo
- Publication number
- CN109576436A CN109576436A CN201811599921.9A CN201811599921A CN109576436A CN 109576436 A CN109576436 A CN 109576436A CN 201811599921 A CN201811599921 A CN 201811599921A CN 109576436 A CN109576436 A CN 109576436A
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- flange
- header
- circulative cooling
- grinding cylinder
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 34
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 239000011148 porous material Substances 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 7
- 241000233855 Orchidaceae Species 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000008141 laxative Substances 0.000 claims 1
- 230000002475 laxative effect Effects 0.000 claims 1
- 206010022000 influenza Diseases 0.000 abstract description 4
- 230000001788 irregular Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 239000003034 coal gas Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/38—Removal of waste gases or dust
- C21C5/40—Offtakes or separating apparatus for converter waste gases or dust
-
- 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
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of compulsory circulative cooling flues, it include: lower header group, flue and upper collecting chamber group, tubular membrane wall structure is formed by welding in several heat pipes in flue, the water inlet of each heat pipe is each passed through corresponding each through-hole in the header of upper collecting chamber group and protrudes into header, and protrudes into each heat pipe in header and be fixedly connected in collection box inner wall by welded seal；A throttle pipe is respectively arranged on the water inlet of each heat pipe, the water inlet that each throttle pipe tail portion passes through corresponding heat pipe is inserted into corresponding heat pipe, by head, rearwardly direction is disposed with circular channel and tapered channel in throttle pipe, and small end and the circular channel of tapered channel are connected smoothly.The setting of above structure be effectively improved each heat pipe it is irregular because intaking due to frequent booster phenomenon, the service life of compulsory circulative cooling flue is 2 years or more, and the time of or so guarantee a year and a half will not influence to make steel because of leak.
Description
Technical field
The present invention relates to converter evaporation cooling air flue more particularly to a kind of compulsory circulative cooling flues.
Background technique
Converter Residual Heat Boiler is mainly used for the recycling of coal gas, high-temperature flue gas and flue dust when the steel-making of iron and steel enterprise's Converter Oxigen Blowing.
Converter Residual Heat Boiler generallys use gasification cooling flue structure, and the production process of converter evaporation cooling air flue and converter directly connects
Lock, a part as converter steelmaking process directly participate in STEELMAKING PRODUCTION, it can be collected during converter smelting steel
High-temperature flue gas, and be cooled to, meet steel-making later period dedusting and the requirement of coal-gas recovering, while can also generate a large amount of
Steam can substantially reduce the cost of production and life for the needs for producing and living, and occupy highly importantly in steel mill
Position.
Converter evaporation cooling air flue is made of several Natural Circulation flues and several forced circulation flues, for forced circulation
Flue can all be made using throttling set in each heat pipe of the inflow forced circulation flue of water more evenly in lower header group.Mesh
The structure of preceding common throttling set in the market are as follows: connection through-hole and installation through-hole are offered in the header of lower header group, even
It connects hole and installation through-hole is a pair of to reach through hole, heat pipe is protruded into connection through-hole by throttling tube socket sealing, and throttle pipe is logical
It crosses after installation through-hole protrudes into header and is tightened on throttling tube socket by throttle pipe installation tool, throttle pipe is intensively opened using honeycomb fashion
Then pore structure is blocked installation through-hole sealing by screw plug.
Compulsory circulative cooling flue with above-mentioned throttling set has the following disadvantages:
1. compulsory circulative cooling flue is in the process of running, due to the medium in each heat pipe --- the high temperature and pressure that water is in is disliked
Bad working environment and characteristic of expanding with heat and contract with cold, it is difficult to ensure that absolute sealing state, is normally being refined between screw plug and installation through-hole
Drainage is easy to appear during steel between screw plug and installation through-hole.
2. entering and containing a large amount of impurity in the water in lower header group, these impurity are easy respectively opening on blocking throttle pipe
Hole keeps heat pipe water shortage cracked so as to cause due to no enough water enters heat pipe, it is serious in addition will appear by
Heat pipe booster phenomenon.
3. compulsory circulative cooling flue is constantly in vibrating state in the process of running, thus throttle tube socket with connect through-hole
Between sealed connection it is very not firm, be easy to appear drainage.
4. the service life of compulsory circulative cooling flue only has or so half a year, and uses less than three months and just will appear leakage
Water phenomenon.
Summary of the invention
The technical issues of solving needed for of the invention is: providing a kind of flow of media made in each heat pipe and smoothly forces to follow
Ring cooling stack.Each heat pipe is less prone to booster phenomenon when the operation of compulsory circulative cooling flue.
To solve the above problems, the technical solution adopted by the present invention is that: the compulsory circulative cooling flue, comprising: under
Tubular membrane wall structure, the water inlet of each heat pipe is formed by welding in header group, flue and upper collecting chamber group, several heat pipes in flue
Mouth is each passed through corresponding each through-hole in the header of lower header group and protrudes into header, and each heat pipe protruded into header passes through weldering
It connects and is sealedly and fixedly connected in collection box inner wall；A throttle pipe is respectively arranged on the water inlet of each heat pipe, it is each to save
The water inlet that flow tube tail portion passes through corresponding heat pipe is inserted into corresponding heat pipe, and by head, rearwardly direction is successively in throttle pipe
It is provided with circular channel and tapered channel, small end and the circular channel of tapered channel are connected smoothly.
Further, compulsory circulative cooling flue above-mentioned, wherein it is provided with flange in each throttling tube head, it is each to save
When the water inlet that flow tube tail portion passes through corresponding heat pipe is inserted into corresponding heat pipe, each flange is fixedly connected on corresponding heat pipe
Water inlet end.
Further, compulsory circulative cooling flue above-mentioned, wherein feed opening device for feed is provided on flue, it is described
Feed opening device for feed includes: feed opening and anti-grinding cylinder, is provided with first flange at the top of anti-grinding cylinder, is arranged at the top of feed opening
There is second flange, the rear first flange that passes through is connected with second flange, to prevent in the inner cylinder of anti-grinding cylinder insertion feed opening
Grinding cylinder is fixed in the inner cylinder of feed opening, is further fixedly arranged on nitrogen seal device at the top of anti-grinding cylinder.
Further, compulsory circulative cooling flue above-mentioned, wherein the anti-grinding cylinder is made of Q345R steel
Anti- grinding cylinder, the wall thickness of anti-grinding cylinder are 38~45mm.
Further, compulsory circulative cooling flue above-mentioned, wherein the wall thickness of anti-grinding cylinder is 40 ㎜.
Further, compulsory circulative cooling flue above-mentioned, wherein the structure of the nitrogen seal device includes: in tubular
Coaming plate, tubular peripheral board, upper flange and lower flange, coaming plate, tubular peripheral board, upper flange and lower flange surround to form ring in tubular
Shape sealing cavity, annular seal cavity are connect by lower flange with first flange；At least one is provided on tubular peripheral board
The gas outlet of nitrogen inlet duct, each nitrogen inlet duct is connected with annular seal cavity, in tubular on coaming plate along the circumferential direction
Several pore channels are offered, the nitrogen ejected from each pore channels forms nitrogen-sealed layer.
Further, compulsory circulative cooling flue above-mentioned, wherein the axial line of each pore channels is close with respect to upper flange
The inclination angle alpha of cover is 25 °~50 °.
Further, compulsory circulative cooling flue above-mentioned, wherein the axial line of each pore channels is close with respect to upper flange
The inclination angle alpha of cover is 30 °.
The beneficial effects of the present invention are: each heat pipe 1. protruded into header is fixedly connected in header by welded seal
On side wall, seal-weld is formed on each heat pipe and collection box inner wall, the seal-weld for being now placed in collection box inner wall is not
Pressured state, thus the sealed connection between each heat pipe and header is very firm, is less prone to drainage；2. throttle pipe knot
The setting of structure, increase enter the flow rate of water flow of heat pipe from header and increase resistance make water energy in header even into
In each heat pipe, be effectively improved each heat pipe it is irregular because intaking due to frequent booster phenomenon, substantially increase compulsory circulative cooling cigarette
The service life and usage factor in road, reduce worker's labor intensity.The service life of compulsory circulative cooling flue is
2 years or more, and the time of or so guarantee a year and a half will not influence to make steel because of leak.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of compulsory circulative cooling flue of the present invention.
Fig. 2 is the partial enlargement structural representation in Fig. 1 between header and any heat pipe.
Fig. 3 is the structural schematic diagram of Fig. 1 left view direction feed opening device for feed.
Fig. 4 is the structural schematic diagram of anti-grinding cylinder in Fig. 3.
Fig. 5 is the structural schematic diagram of nitrogen seal device in Fig. 3.
Fig. 6 is the partial enlargement structural representation of part A in Fig. 5.
Specific embodiment
With reference to the accompanying drawing and preferred embodiment further details of the technical solution described in the present invention.
Embodiment one
As depicted in figs. 1 and 2, compulsory circulative cooling flue described in the present embodiment, comprising: lower header group 3, flue 2 and on
Tubular membrane wall structure is formed by welding in header group 1, several heat pipes 21 in flue 2.The water inlet of each heat pipe 21 is worn respectively
It crosses corresponding each through-hole in the header 31 of lower header group 3 to protrude into header 31, and each heat pipe 21 protruded into header 31 passes through
Welded seal is fixedly connected on 31 inner sidewall of header, forms seal-weld on each heat pipe 21 and 31 inner sidewall of header.?
Be respectively arranged with a throttle pipe 4 on the water inlet of each heat pipe 31, each 4 tail portion of throttle pipe pass through corresponding heat pipe 31 into
The mouth of a river is inserted into corresponding heat pipe 31, and by head, rearwardly direction is disposed with circular channel 41 and taper in throttle pipe 4
Channel 42, small end and the circular channel 41 of tapered channel 42 are connected smoothly.
As shown in Fig. 2, being provided with flange 43 on each 4 head of throttle pipe, each 4 tail portion of throttle pipe passes through corresponding heat pipe 21
Water inlet when being inserted into corresponding heat pipe 21, each flange 43 is fixedly connected on the water inlet end of corresponding heat pipe 21.
When work, water enters from the distribution header in lower header group 3, then by distribution pipe even into header 31,
And then uniformly flowed into each heat pipe 21 by the throttle pipe 4 being mounted on every heat pipe 21, by with the high temperature in flue
The high-temperature flue gas indirect heat exchange such as coal gas, high-temperature flue gas makes water in each heat pipe 21 generate steam water interface and from upper collecting chamber group 1
Collect outflow.
Embodiment two
Shown in as shown in Figure 1, Figure 3 and Figure 4, the present embodiment and embodiment one the difference is that: for being located at converter mouth
Compulsory circulative cooling flue, is additionally provided with feed opening device for feed 5 on flue 2, and feed opening device for feed 5 is former as the bulk that converter uses
The entrance of material, generally symmetrical 2 two sides of flue being set at converter mouth are that is, identical two arranged symmetrically of 2 two sides of flue
Feed opening device for feed 5.The feed opening device for feed 5 includes: feed opening 51 and anti-grinding cylinder 6, and is provided at the top of anti-grinding cylinder 6
One flange 61, is provided with second flange 52 at the top of feed opening 51, and anti-grinding cylinder 6 passes through after being inserted into the inner cylinder of feed opening 51
First flange 61 and second flange 52 connect, to which anti-grinding cylinder 6 to be fixed in the inner cylinder of feed opening 51.By anti-grinding cylinder
It is arranged to Detachable connection structure between 6 and feed opening 51, to facilitate the replacement of subsequent anti-grinding cylinder 6, need to only dismantles the first method
Connection bolt between orchid 61 and second flange 52 can take out anti-grinding cylinder 6 from the inner cylinder of feed opening 51.
Anti- grinding cylinder 6 described in the present embodiment is the anti-grinding cylinder made of Q345R steel, and the wall thickness of anti-grinding cylinder 6 is
38~45mm.In the case where considering processing cost and bearing the multiple factors for scorching, adhering to and rubbing, the wall thickness of anti-grinding cylinder 6 is most
Preferred numerical value is 40 ㎜.
As shown in Figure 3 and Figure 5, to prevent the gases such as the coal gas in flue 2 from leaking to external environment by anti-grinding cylinder 6
In, nitrogen seal device 7 is further fixedly arranged at the top of anti-grinding cylinder 6.The structure of the nitrogen seal device 7 includes: coaming plate in tubular
71, tubular peripheral board 72, upper flange 73 and lower flange 74, coaming plate 71, tubular peripheral board 72, upper flange 73 and lower flange in tubular
74 surround to form annular seal cavity 70, and annular seal cavity 70 is connect, to realize with first flange 61 by lower flange 74
Nitrogen seal device 7 is sealingly fastened in anti-6 top of grinding cylinder.At least one nitrogen inlet duct 8 is provided on tubular peripheral board 72,
The gas outlet of each nitrogen inlet duct 8 is connected with annular seal cavity 70, along the circumferential direction offers on coaming plate 71 in tubular
Several pore channels 9, the nitrogen that ejects from each pore channels 9, which is formed, stops the gases such as coal gas by anti-grinding cylinder 6 to leaking
The nitrogen-sealed layer of leakage.
As shown in fig. 6, the axial line of each pore channels 9 with respect to the sealing surface of upper flange 73 inclination angle alpha be 25 °~
50°.The nitrogen-sealed layer that formation is sprayed from each pore channels 9 being obliquely installed forms inside compressing to gases such as coal gas
Power is leaked in external environment so as to gases such as the coal gas that is better protected from flue 2 by anti-grinding cylinder 6.Each aperture is logical
The axial line in road 9 is optimum tilt scheme when with respect to the inclination angle alpha of the sealing surface of upper flange 73 being 30 °.
Remaining structure and usage mode are the same as example 1, and are repeated no more.
The setting of above-mentioned 5 structure of feed opening device for feed, be effectively improved occur as soon as within feed opening 51 6 months or so deformation, cracking,
The defect of phenomena such as leak substantially increases the service life of feed opening 51, is even stainless steel raw material for bulk raw materials
Operating condition in, 5 service life of feed opening device for feed can still reach 2 years or more, substantially increase the forced circulation at converter mouth
The quality of cooling stack, accelerates rhythm of production.Anti- grinding cylinder 6 is only needed to change when replacement, no replacement is required feed opening 51, more
It changes very convenient and production cost is greatly saved.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any other form, and
Any modification made by according to the technical essence of the invention or equivalent variations, still fall within the scope of protection of present invention.
The invention has the advantages that each heat pipe 21 1. protruded into header 31 is fixedly connected on header 31 by welded seal
On inner sidewall, seal-weld is formed on each heat pipe 21 and 31 inner sidewall of header, is now placed in the sealing of 31 inner sidewall of header
Weld seam is not pressured state, thus the sealed connection between each heat pipe 21 and header 31 is very firm, and it is existing to be less prone to leak
As；2. the setting of 4 structure of throttle pipe, increasing to enter the flow rate of water flow of heat pipe 21 from header 31 and increase resistance makes to collect
Water energy in case 31 even into each heat pipe 21, be effectively improved each heat pipe 21 because intaking it is irregular due to frequent booster phenomenon,
The service life and usage factor for substantially increasing compulsory circulative cooling flue, reduce worker's labor intensity.Forced circulation
The service life of cooling stack is 2 years or more, and the time of or so guarantee a year and a half will not influence to make steel because of leak.
Claims (8)
1. compulsory circulative cooling flue, comprising: lower header group, flue and upper collecting chamber group, several heat pipes in flue weld structure
At tubular membrane wall structure, it is characterised in that: the water inlet of each heat pipe is each passed through corresponding each in the header of lower header group
Through-hole protrudes into header, and protrudes into each heat pipe in header and be fixedly connected in collection box inner wall by welded seal；Each
A throttle pipe is respectively arranged on the water inlet of heat pipe, each throttle pipe tail portion passes through the water inlet insertion of corresponding heat pipe
In corresponding heat pipe, by head, rearwardly direction is disposed with circular channel and tapered channel, tapered channel in throttle pipe
Small end be connected smoothly with circular channel.
2. compulsory circulative cooling flue according to claim 1, it is characterised in that: be provided in each throttling tube head convex
Edge, when the water inlet that each throttle pipe tail portion passes through corresponding heat pipe is inserted into corresponding heat pipe, each flange is fixedly connected on correspondence
The water inlet end of heat pipe.
3. compulsory circulative cooling flue according to claim 1, it is characterised in that: be provided with feed opening dress on flue
It sets, the feed opening device for feed includes: feed opening and anti-grinding cylinder, first flange is provided at the top of anti-grinding cylinder, in blanking
Second flange is provided at the top of mouthful, anti-grinding cylinder is connected after being inserted into the inner cylinder of feed opening by first flange and second flange
It connects, to which anti-grinding cylinder to be fixed in the inner cylinder of feed opening, is further fixedly arranged on nitrogen seal device at the top of anti-grinding cylinder.
4. compulsory circulative cooling flue according to claim 3, it is characterised in that: the anti-grinding cylinder is by Q345R
Anti- grinding cylinder made of steel, the wall thickness of anti-grinding cylinder are 38~45mm.
5. compulsory circulative cooling flue according to claim 4, it is characterised in that: the wall thickness of anti-grinding cylinder is 40 ㎜.
6. compulsory circulative cooling flue according to claim 3 or 4, it is characterised in that: the structure of the nitrogen seal device
It include: coaming plate in tubular, tubular peripheral board, upper flange and lower flange, coaming plate, tubular peripheral board, upper flange and laxative remedy in tubular
Orchid is surrounded to form annular seal cavity, and annular seal cavity is connect by lower flange with first flange；It is set on tubular peripheral board
It is equipped at least one nitrogen inlet duct, the gas outlet of each nitrogen inlet duct is connected with annular seal cavity, the coaming plate in tubular
On along the circumferential direction offer several pore channels, the nitrogen that ejects from each pore channels forms nitrogen-sealed layer.
7. compulsory circulative cooling flue according to claim 6, it is characterised in that: the axial line of each pore channels relatively on
The inclination angle alpha of the sealing surface of flange is 25 °~50 °.
8. compulsory circulative cooling flue according to claim 7, it is characterised in that: the axial line of each pore channels relatively on
The inclination angle alpha of the sealing surface of flange is 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599921.9A CN109576436B (en) | 2018-12-26 | 2018-12-26 | Forced circulation cooling flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599921.9A CN109576436B (en) | 2018-12-26 | 2018-12-26 | Forced circulation cooling flue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109576436A true CN109576436A (en) | 2019-04-05 |
| CN109576436B CN109576436B (en) | 2024-01-26 |
Family
ID=65932708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811599921.9A Active CN109576436B (en) | 2018-12-26 | 2018-12-26 | Forced circulation cooling flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109576436B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112680560A (en) * | 2020-12-08 | 2021-04-20 | 苏州海陆重工股份有限公司 | Waste heat boiler in converter dry dedusting system |
| CN112695150A (en) * | 2021-01-26 | 2021-04-23 | 唐山市三川钢铁机械制造有限公司 | Partition plate cooling type scrap steel batching port and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2910948Y (en) * | 2006-06-12 | 2007-06-13 | 江阴海陆冶金设备制造有限公司 | Sheath-like, water circulation chimney at converter mouth of evaporated cooling flue of steelmaking converter |
| CN101693937A (en) * | 2009-10-26 | 2010-04-14 | 江阴海陆冶金设备制造有限公司 | Method for distributing Y-branch fitting water at mouth section of evaporation cooling flue of steel converter |
| CN103063048A (en) * | 2013-01-29 | 2013-04-24 | 北京世纪源博科技股份有限公司 | Horizontal evaporative cooling flue for steelmaking electric furnace |
| CN205188336U (en) * | 2015-12-07 | 2016-04-27 | 无锡翔龙环球科技股份有限公司 | Converter exhaust heat boiler fire door section flue |
| US20180304185A1 (en) * | 2015-10-20 | 2018-10-25 | Danieli Corus B.V. | Process and filter device for cleaning furnace gas |
| CN209759491U (en) * | 2018-12-26 | 2019-12-10 | 苏州海陆重工股份有限公司 | Forced circulation cooling flue |
-
2018
- 2018-12-26 CN CN201811599921.9A patent/CN109576436B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2910948Y (en) * | 2006-06-12 | 2007-06-13 | 江阴海陆冶金设备制造有限公司 | Sheath-like, water circulation chimney at converter mouth of evaporated cooling flue of steelmaking converter |
| CN101693937A (en) * | 2009-10-26 | 2010-04-14 | 江阴海陆冶金设备制造有限公司 | Method for distributing Y-branch fitting water at mouth section of evaporation cooling flue of steel converter |
| CN103063048A (en) * | 2013-01-29 | 2013-04-24 | 北京世纪源博科技股份有限公司 | Horizontal evaporative cooling flue for steelmaking electric furnace |
| US20180304185A1 (en) * | 2015-10-20 | 2018-10-25 | Danieli Corus B.V. | Process and filter device for cleaning furnace gas |
| CN205188336U (en) * | 2015-12-07 | 2016-04-27 | 无锡翔龙环球科技股份有限公司 | Converter exhaust heat boiler fire door section flue |
| CN209759491U (en) * | 2018-12-26 | 2019-12-10 | 苏州海陆重工股份有限公司 | Forced circulation cooling flue |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112680560A (en) * | 2020-12-08 | 2021-04-20 | 苏州海陆重工股份有限公司 | Waste heat boiler in converter dry dedusting system |
| CN112680560B (en) * | 2020-12-08 | 2022-04-15 | 苏州海陆重工股份有限公司 | Waste heat boiler in converter dry dedusting system |
| CN112695150A (en) * | 2021-01-26 | 2021-04-23 | 唐山市三川钢铁机械制造有限公司 | Partition plate cooling type scrap steel batching port and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109576436B (en) | 2024-01-26 |
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