CN102061354A - Water-cooling furnace opening structure of converter - Google Patents
Water-cooling furnace opening structure of converter Download PDFInfo
- Publication number
- CN102061354A CN102061354A CN2011100291802A CN201110029180A CN102061354A CN 102061354 A CN102061354 A CN 102061354A CN 2011100291802 A CN2011100291802 A CN 2011100291802A CN 201110029180 A CN201110029180 A CN 201110029180A CN 102061354 A CN102061354 A CN 102061354A
- Authority
- CN
- China
- Prior art keywords
- water
- cooling
- communicates
- left semicircle
- cooled casing
- 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.)
- Pending
Links
Images
Landscapes
- Furnace Details (AREA)
Abstract
The invention discloses a water-cooling furnace opening structure of a converter, which comprises two semicircular box-shaped body structures, wherein the two semicircular box-shaped body structures are relatively independent and completely symmetrical left and right; a gap used as an expansion gap is retained in the central line position of two independent water-cooling furnace openings; a left semicircular box-shaped body and a right semicircular box-shaped body are welded by adopting a steel plate; and a built-in annular partition plate forms water channels. The water-cooling furnace opening structure of the converter with the special structure comprises two semicircular box-shaped body structures which are relatively independent and completely symmetrical left and right; two mutual independent cooling water channels are formed, and the gap used as the expansion gap is retained in the central line position of the two independent water-cooling furnace openings; and the invention solves the problem of water leakage caused by that an inside seamless steel tube forms hot cracks by tensioning after the water-cooling furnace opening is deformed by heat stress, effectively prolongs the self service life and the frequency for replacing the furnace openings, greatly saves the cost, eliminates potential safety hazards and ensures the safety of people and equipment.
Description
Technical field
The present invention relates to the converter field, especially relate to a kind of revolving furnace water-cooling mouth structure.
Background technology
Existing revolving furnace water-cooling mouth is whole box type construction, the furnace water-cooling mouth inboard is equipped with on φ 180 * 25 ring seamless steel pipes and the water tank lower steel plate and is welded into one-piece construction and forms furnace water-cooling mouth annular cooling water road, aborning, because weldless steel tube and furnace water-cooling mouth casing weld can't be discharged by thermal stresses, cause φ 180 * 25 weldless steel tube drawing cracks, produce thermal crack and leak, production, the safety of converter is produced following unfavorable factor:
1) because the frequent drawing crack of furnace water-cooling mouth φ 180 * 25 weldless steel tubes produces leaks, this just need in time carry out repair welding, and need cut off the water, discharge water during soldering, send water after welding again, and frequently rapid heat cycle also has certain damage to furnace water-cooling mouth and other water-cooled parts;
2) because furnace water-cooling mouth often leaks, anti-material in the fire door there is certain etch, easily causes molten steel to infiltrate the furnace shell body, cause potential safety hazard;
3) damage to furnace water-cooling mouth causes fire door to need periodic replacement, has a strong impact on the production time.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of revolving furnace water-cooling mouth structure at problems of the prior art, its objective is the work-ing life of improving furnace water-cooling mouth, shorten the time of changing furnace water-cooling mouth, save furnace water-cooling mouth spare part expense, eliminate safe hidden trouble.
This kind of technical scheme revolving furnace water-cooling mouth structure of the present invention comprise two relatively independent about complete symmetric semicircular ring box body structure, two independent furnace water-cooling mouth centerline leave the gap as dilatation joint.
Described left semicircle ring box body and right semi-circle ring box body all adopt the steel plate welding, and built-in toroidal membrane forms water channel.
Described left semicircle ring box body comprises left water inlet pipe, left rising pipe, left semicircle shape water-cooled casing and left semicircle shape water cooling tube, and described left water inlet pipe communicates with an end of left semicircle shape water cooling tube, the other end of left semicircle shape water cooling tube communicates with an end of the inboard water channel of left semicircle shape water-cooled box partition, the other end of left semicircle shape water-cooled box inside water channel communicates with an end of left semicircle shape water-cooled casing outside water channel, the other end of left semicircle shape water-cooled casing outside water channel communicates with left rising pipe, and above-mentioned left semicircle ring box body forms independently cooling water channel.
Described right semi-circle ring box body comprises right water inlet pipe, right rising pipe, right semicircular water-cooled casing and right semicircular water cooling tube, and described right water inlet pipe communicates with an end of right semicircular water cooling tube, the other end of right semicircular water cooling tube communicates with an end of the inboard water channel of right semicircular water-cooled box partition, the other end of right semicircular water-cooled box inside water channel communicates with an end of right semicircular water-cooled casing outside water channel, the other end of right semicircular water-cooled casing outside water channel communicates with right rising pipe, and above-mentioned right semi-circle ring box body forms independently cooling water channel.
Described gap size is 15mm-40mm.
Described gap size is preferably 25mm.
The inboard φ 180 * 25 two semi-round ring shape weldless steel tube that adopts of described furnace water-cooling mouth, left water inlet pipe, left rising pipe, right water inlet pipe, right rising pipe all adopt φ 76 * 6 weldless steel tubes to make.
A kind of revolving furnace water-cooling mouth structure with above-mentioned special construction has the following advantages:
1, this kind revolving furnace water-cooling mouth structure be two relatively independent about complete symmetric semicircular ring box body structure, form two separate cooling water channels, and two independent furnace water-cooling mouth centerline leave the gap as dilatation joint, after having solved furnace water-cooling mouth and being subjected to thermal stress deformation, inboard weldless steel tube drawing crack forms thermal crack and causes the problem of leaking.
2, this kind revolving furnace water-cooling mouth structure has effectively prolonged the work-ing life of self and the frequency of changing fire door, has saved cost greatly.
3, this kind revolving furnace water-cooling mouth structure has been eliminated potential safety hazard, has guaranteed the safety of the person and equipment.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the C-C diagrammatic cross-section of structure shown in Figure 1.
Fig. 3 is the D-D section rotation synoptic diagram of structure shown in Figure 1.
In Fig. 1-3,1: left water inlet pipe; 2: right water inlet pipe; 3: left rising pipe; 4: right rising pipe; 5: left semicircle shape water-cooled casing; 6: right semicircular water-cooled casing; 7: left semicircle shape water cooling tube; 8: the right semicircular water cooling tube.
Embodiment
By the combination of structure shown in Fig. 1-3 as can be known, this kind revolving furnace water-cooling mouth structure comprise two relatively independent about complete symmetric semicircular ring box body structure, two independent furnace water-cooling mouth centerline leave the gap as dilatation joint, gap size is preferably 25mm, and concrete size can be determined according to actual needs; Left semicircle ring box body and right semi-circle ring box body all adopt the steel plate welding, and built-in toroidal membrane forms water channel.
Concrete structure is: left semicircle ring box body comprises left water inlet pipe 1, left side rising pipe 3, left semicircle shape water-cooled casing 5 and left semicircle shape water cooling tube 7, and described left water inlet pipe 1 communicates with an end of left semicircle shape water cooling tube 7, the other end of left semicircle shape water cooling tube 7 communicates with an end of the inboard water channel of left semicircle shape water-cooled casing 5 dividing plates, the other end of left semicircle shape water-cooled casing 5 inboard water channels communicates with an end of left semicircle shape water-cooled casing 5 outside water channels, the other end of left semicircle shape water-cooled casing 5 outside water channels communicates with left rising pipe 3, and above-mentioned left semicircle ring box body forms independently cooling water channel.
Right semi-circle ring box body comprises right water inlet pipe 2, right rising pipe 4, right semicircular water-cooled casing 6 and right semicircular water cooling tube 8, and described right water inlet pipe 2 communicates with an end of right semicircular water cooling tube 8, the other end of right semicircular water cooling tube 8 communicates with an end of the inboard water channel of right semicircular water-cooled casing 6 dividing plates, the other end of right semicircular water-cooled casing 6 inboard water channels communicates with an end of right semicircular water-cooled casing 6 outside water channels, the other end of right semicircular water-cooled casing 6 outside water channels communicates with right rising pipe 4, and above-mentioned right semi-circle ring box body forms independently cooling water channel.
The inboard φ 180 * 25 two semi-round ring shape weldless steel tube that adopts of furnace water-cooling mouth, left water inlet pipe 1, left rising pipe 3, right water inlet pipe 2, right rising pipe 4 all adopt φ 76 * 6 weldless steel tubes to make.
Production with the applicant is example, the furnace water-cooling mouth of employing said structure can make and prolong one times work-ing life, promptly uses the life-span to arrive one-year age, leaks hardly in 1 year, and changing a furnace water-cooling mouth time shortened to 12 hours by original 24 hours, had eliminated potential safety hazard simultaneously.
Also obtained bigger improvement on the economic benefit:
1) saved 3 hours furnace water-cooling mouth soldering time * 3 * 12=108 hour in 1 year, save and change 12 hours furnace shell time, saved 120 hours total times in 1 year, calculated, produce more than a year 180 stove steel in 40 minutes by every refining one heat steel; By 100 yuan of calculating of refining steel profit per ton, 180 tons of converters are produced the steel profit more than a year and are: ten thousand yuan of 0.01 ten thousand yuan * 180 * 120=216
2) save furnace water-cooling mouth 1 cover in 1 year, save 70,000 yuan of spare part expenses;
Benefit adds up to ten thousand yuan of 216+7=223.
Claims (8)
1. revolving furnace water-cooling mouth structure is characterized in that: described fire door comprise two relatively independent about complete symmetric semicircular ring box body structure, two independent furnace water-cooling mouth centerline leave the gap as dilatation joint.
2. a kind of revolving furnace water-cooling mouth structure according to claim 1 is characterized in that: described left semicircle ring box body and right semi-circle ring box body all adopt the steel plate welding, and built-in toroidal membrane forms water channel.
3. a kind of revolving furnace water-cooling mouth structure according to claim 2, it is characterized in that: described left semicircle ring box body comprises left water inlet pipe (1), left side rising pipe (3), left semicircle shape water-cooled casing (5) and left semicircle shape water cooling tube (7), and described left water inlet pipe (1) communicates with an end of left semicircle shape water cooling tube (7), the other end of left semicircle shape water cooling tube (7) communicates with an end of the inboard water channel of left semicircle shape water-cooled casing (5) dividing plate, the other end of the inboard water channel of left semicircle shape water-cooled casing (5) communicates with an end of left semicircle shape water-cooled casing (5) outside water channel, the other end of left semicircle shape water-cooled casing (5) outside water channel communicates with left rising pipe (3), and above-mentioned left semicircle ring box body forms independently cooling water channel.
4. want 3 described a kind of revolving furnace water-cooling mouth structures according to right, it is characterized in that: described right semi-circle ring box body comprises right water inlet pipe (2), right rising pipe (4), right semicircular water-cooled casing (6) and right semicircular water cooling tube (8), and described right water inlet pipe (2) communicates with an end of right semicircular water cooling tube (8), the other end of right semicircular water cooling tube (8) communicates with an end of the inboard water channel of right semicircular water-cooled casing (6) dividing plate, the other end of the inboard water channel of right semicircular water-cooled casing (6) communicates with an end of right semicircular water-cooled casing (6) outside water channel, the other end of right semicircular water-cooled casing (6) outside water channel communicates with right rising pipe (4), and above-mentioned right semi-circle ring box body forms independently cooling water channel.
5. according to the described a kind of revolving furnace water-cooling mouth structure of each claim of claim 1-4, it is characterized in that: described gap size is 15mm-40mm.
6. a kind of revolving furnace water-cooling mouth structure according to claim 5 is characterized in that: described gap size is 25mm.
7. according to claim 1-4, the described a kind of revolving furnace water-cooling mouth structure of 6 each claims, it is characterized in that: the inboard φ 180 * 25 two semi-round ring shape weldless steel tube that adopts of described furnace water-cooling mouth, left water inlet pipe (1), left rising pipe (3), right water inlet pipe (2), right rising pipe (4) all adopt φ 76 * 6 weldless steel tubes to make.
8. a kind of revolving furnace water-cooling mouth structure according to claim 5, it is characterized in that: the inboard φ 180 * 25 two semi-round ring shape weldless steel tube that adopts of described furnace water-cooling mouth, left water inlet pipe (1), left rising pipe (3), right water inlet pipe (2), right rising pipe (4) all adopt φ 76 * 6 weldless steel tubes to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100291802A CN102061354A (en) | 2011-01-27 | 2011-01-27 | Water-cooling furnace opening structure of converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100291802A CN102061354A (en) | 2011-01-27 | 2011-01-27 | Water-cooling furnace opening structure of converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102061354A true CN102061354A (en) | 2011-05-18 |
Family
ID=43996861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100291802A Pending CN102061354A (en) | 2011-01-27 | 2011-01-27 | Water-cooling furnace opening structure of converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102061354A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851440A (en) * | 2012-08-28 | 2013-01-02 | 芜湖新兴铸管有限责任公司 | Mounting structure of furnace crown and mouth water inlet tubes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB772632A (en) * | 1953-12-28 | 1957-04-17 | Henry J Kaiser Company | Improvements in or relating to apparatus for connecting converters and like metallurgical furnaces to exhaust gas ducts |
| CN2521223Y (en) * | 2002-02-05 | 2002-11-20 | 陈超 | Stress reducing water-cooled furnace mouth |
| CN2801795Y (en) * | 2005-04-29 | 2006-08-02 | 山东泰山钢铁集团有限公司 | Long life water cooling fire hole |
| CN201737968U (en) * | 2010-06-09 | 2011-02-09 | 鞍钢股份有限公司 | Novel type converter mouth |
| CN202022954U (en) * | 2011-01-27 | 2011-11-02 | 马鞍山钢铁股份有限公司 | Water-cooling furnace mouth structure of converter |
-
2011
- 2011-01-27 CN CN2011100291802A patent/CN102061354A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB772632A (en) * | 1953-12-28 | 1957-04-17 | Henry J Kaiser Company | Improvements in or relating to apparatus for connecting converters and like metallurgical furnaces to exhaust gas ducts |
| CN2521223Y (en) * | 2002-02-05 | 2002-11-20 | 陈超 | Stress reducing water-cooled furnace mouth |
| CN2801795Y (en) * | 2005-04-29 | 2006-08-02 | 山东泰山钢铁集团有限公司 | Long life water cooling fire hole |
| CN201737968U (en) * | 2010-06-09 | 2011-02-09 | 鞍钢股份有限公司 | Novel type converter mouth |
| CN202022954U (en) * | 2011-01-27 | 2011-11-02 | 马鞍山钢铁股份有限公司 | Water-cooling furnace mouth structure of converter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851440A (en) * | 2012-08-28 | 2013-01-02 | 芜湖新兴铸管有限责任公司 | Mounting structure of furnace crown and mouth water inlet tubes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101644369B (en) | A connector for connecting between a reaction pipe and a cooling pipe as well as a method for connecting a reaction pipe to a cooling pipe | |
| CN202022954U (en) | Water-cooling furnace mouth structure of converter | |
| CN102061354A (en) | Water-cooling furnace opening structure of converter | |
| CN201653154U (en) | Furnace cover of LF furnace | |
| CN2801795Y (en) | Long life water cooling fire hole | |
| CN201694993U (en) | Telescoping water-cooling cooler | |
| CN101665854A (en) | Design method of converter cast iron water-cooling mouth | |
| CN202329176U (en) | Cast water-cooled furnace door frame for annular furnace | |
| CN201560196U (en) | Blast-furnace novel tuyere-belt cooling wall | |
| CN201424482Y (en) | Rebuilding cooling wall for blast furnace | |
| CN204342825U (en) | A kind of converter oxygen gun insert port water jacket device | |
| CN221217823U (en) | Blast furnace slag channeling nozzle protection water tank | |
| CN201485478U (en) | Steel cooling stud for blast furnace | |
| CN1330777C (en) | Water cooling structure of converter oxygen gun | |
| CN203258267U (en) | Negative pressure preventing creased pipe with lining made of Teflon material | |
| CN202274734U (en) | Tubular water cooling flue used for electric furnace | |
| CN202757451U (en) | Spraying type water-cooled furnace shell | |
| CN202658178U (en) | Water cooling center furnace cover ring of electric furnace | |
| CN101586917B (en) | Cooling water beams of heating furnace | |
| CN201793595U (en) | Cooling wall of blast furnace | |
| CN102095043B (en) | Rectangular knee pipe pressure balance type expansion joint | |
| KR20110011373U (en) | Upper water jacket | |
| CN201334490Y (en) | Steel beam water cooling device for blast furnace tuyere platform | |
| CN201540029U (en) | Water-cooling furnace cover of electric furnace | |
| CN206065357U (en) | A kind of bending segment frames |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110518 |