CN103820594B - Blast furnace sectional type soft water airtight circulating cooling system - Google Patents
Blast furnace sectional type soft water airtight circulating cooling system Download PDFInfo
- Publication number
- CN103820594B CN103820594B CN201410067022.XA CN201410067022A CN103820594B CN 103820594 B CN103820594 B CN 103820594B CN 201410067022 A CN201410067022 A CN 201410067022A CN 103820594 B CN103820594 B CN 103820594B
- Authority
- CN
- China
- Prior art keywords
- water
- cooling apparatus
- cooling
- tube
- endless tube
- 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.)
- Active
Links
Landscapes
- Blast Furnaces (AREA)
Abstract
A kind of blast furnace sectional type soft water airtight circulating cooling system, belongs to iron-smelting furnace cooling technology field.Comprise upper and lower part cooled region.Bottom cooled region comprises bottom soft water water main, bottom cooling apparatus water supply endless tube, furnace bottom water cooling tube water supply endless tube, bottom cooling apparatus water inlet smaller branch pipe, bottom cooling apparatus, bottom cooling apparatus backwater smaller branch pipe, bottom cooling apparatus backwater endless tube, furnace bottom water cooling tube, furnace bottom water cooling tube backwater endless tube, bottom soft water return main; Top cooled region comprises top soft water water main, total tube control flap, top cooling apparatus water supply endless tube, top cooling apparatus water supply smaller branch pipe, smaller branch pipe by-pass valve control, top cooling apparatus, top cooling apparatus backwater smaller branch pipe, top cooling apparatus backwater endless tube, top soft water return main.Advantage is: the cooling system in region, blast furnace up-down portion is completely independent, avoids Liang Ge region, upper and lower part cooling system and mutually pins down, and ensures that the water yield entering cooling apparatus can be uniformly distributed, improves cooling performance, extend the work-ing life of cooling apparatus.
Description
Technical field
The invention belongs to ironmaking body of heater cooling technology field, in particular, provide a kind of blast furnace sectional type soft water airtight circulating cooling system, be applicable to the cooling of any appearance level blast furnace.
Background technology
Soft water airtight circulating cooling system is the important technical of blast furnace cooling, be characterized in that system is completely airtight, the smaller branch pipe of all for body of heater cooling apparatuss is all connected in vertical mode and is cooled by water coolant from bottom to up, take away heat, then get back to pump house by water return pipeline, after heat exchanger heat exchange cooling, deliver to pump group recycle.Following problem is there is in this system when actual production operates:
1, when because of thermal load change or because of production operation, hunt leak, to burn out etc. reason need regulate upper blast furnace region separately as the cooling water inflow of the cooling apparatus of bosh, furnace bosh and shaft or cut off the water supply time, because upper and lower part cooling apparatus is all connected, the water consumption of bottom house region as cupola well, the corresponding cooling apparatus of furnace bottom can be had influence on, have impact on the steady operation of cooling system, cannot operate upper area cooling apparatus separately.
2, because blast furnace up-down portion region thermal load is different, cooling apparatus institute's water requirement and decoration form also different, usual lower region need be jumped pipe mode by bypass compared with the water yield that upper area has more and is directly back to backwater endless tube, cause the drag losses of cooling apparatus series pipe inconsistent in body of heater 360 ° of circumferential direction distributions, the water yield entering cooling apparatus can not be uniformly distributed.
Summary of the invention
The object of the present invention is to provide a kind of blast furnace sectional type soft water airtight circulating cooling system, separated by the upper and lower part of the close circulating cooling system of soft water by all series connection from bottom to top, realize respective independent circulation circuit, thus solution blast furnace cooling apparatus is all connected, during cooling, upper and lower part operation checks and balance, affect a difficult problem for normal regulating demand, reach the object that can regulate separately as required cooling apparatus institute of blast furnace up-down portion water requirement.
The present invention includes top cooled region, bottom cooled region.Bottom cooled region comprises bottom soft water water main 1, bottom cooling apparatus water supply endless tube 2, furnace bottom water cooling tube water supply endless tube 7, bottom cooling apparatus water inlet smaller branch pipe 3, bottom cooling apparatus 4, bottom cooling apparatus backwater smaller branch pipe 5, bottom cooling apparatus backwater endless tube 6, furnace bottom water cooling tube 8, furnace bottom water cooling tube backwater endless tube 9, bottom soft water return main 10;
The each member joining methods of bottom cooled region: bottom soft water water main 1 is connected with bottom cooling apparatus water supply endless tube 2 and furnace bottom water cooling tube water supply endless tube 7 respectively;
Intake smaller branch pipe 3, bottom cooling apparatus 4, bottom cooling apparatus backwater smaller branch pipe 5, bottom cooling apparatus backwater endless tube 6 of bottom cooling apparatus water supply endless tube 2 and bottom cooling apparatus is linked in sequence;
Furnace bottom water cooling tube water supply endless tube 7 and furnace bottom water cooling tube 8, furnace bottom water cooling tube backwater endless tube 9 are linked in sequence;
Bottom cooling apparatus backwater endless tube 6 and furnace bottom water cooling tube backwater endless tube 9 are connected with bottom soft water return main 10 respectively.
Top cooled region comprises top soft water water main 11, total tube control flap 12, top cooling apparatus water supply endless tube 13, top cooling apparatus water supply smaller branch pipe 14, smaller branch pipe by-pass valve control 15, top cooling apparatus 16, top cooling apparatus backwater smaller branch pipe 17, top cooling apparatus backwater endless tube 18, top soft water return main 19 etc.; Top cooled region is linked in sequence to by top soft water water main 11, total tube control flap 12, top cooling apparatus water supply endless tube 13, top cooling apparatus water supply smaller branch pipe 14, smaller branch pipe by-pass valve control 15, top cooling apparatus 16, top cooling apparatus backwater smaller branch pipe 17, top cooling apparatus backwater endless tube 18, top soft water return main 19 etc. by cooling-water flowing;
Region, body of heater upper and lower part forms independently cooling system.
Water coolant is divided into two-way to deliver to upper of furnace body region cooling apparatus respectively by pump house and lower region cooling apparatus cools, the upper area cooling apparatus somewhere smaller branch pipe water yield can be regulated separately according to production operation demand, also can regulate separately total Water needed for upper area cooling apparatus.
Advance of the present invention is: the cooling system in region, blast furnace up-down portion is carried out segmentation, the operation such as can to regulate separately, cut off the water supply to the cooling water inflow of upper area cooling apparatus, and the cooling water inflow of lower region cooling apparatus can not be affected, avoid Liang Ge region, upper and lower part cooling system to check and balance, affect the problem of respective normal cooling.Simultaneously, the water yield is provided needed for the reality of each region, upper and lower part, avoid occurring that bypass jumps pipe, make the drag losses of cooling apparatus series pipe consistent in body of heater 360 ° of circumferential direction distributions, ensure that the water yield entering cooling apparatus can be uniformly distributed, improve cooling performance, extend the work-ing life of cooling apparatus.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention and schema.Wherein, bottom soft water water main 1, bottom cooling apparatus water supply endless tube 2, bottom cooling apparatus water inlet smaller branch pipe 3, bottom cooling apparatus 4, bottom cooling apparatus backwater smaller branch pipe 5, bottom cooling apparatus backwater endless tube 6, furnace bottom water cooling tube water supply endless tube 7, furnace bottom water cooling tube 8, furnace bottom water cooling tube backwater endless tube 9, bottom soft water return main 10, top soft water water main 11, total tube control flap 12, top cooling apparatus water supply endless tube 13, top cooling apparatus water supply smaller branch pipe 14, smaller branch pipe by-pass valve control 15, top cooling apparatus 16, top cooling apparatus backwater smaller branch pipe 17, top cooling apparatus backwater endless tube 18, top soft water return main 19.
Embodiment
As shown in Figure 1, blast furnace sectional type soft water cooling system of the present invention is divided into bottom soft water airtight circulating cooling system and top soft water airtight circulating cooling system two portions.Wherein, bottom soft water airtight circulating cooling system workflow: water coolant enters bottom cooling apparatus water supply endless tube 2 and furnace bottom water cooling tube water supply endless tube 7 by bottom soft water water main 1, respectively bottom cooling apparatus 4 and furnace bottom water cooling tube 8 are cooled, enter bottom soft water return main 10 by bottom cooling apparatus backwater endless tube 6 and furnace bottom water cooling tube backwater endless tube 9 respectively after cooling and get back to pump house, after heat exchanger heat exchange cooling, deliver to pump group recycle.Top soft water airtight circulating cooling system workflow: water coolant is entered upper of furnace body cooling apparatus 16 cooled by top soft water water main 11, top cooling apparatus water supply endless tube 13, then top cooling apparatus backwater endless tube 18 is back to, get back to pump house by top soft water return main 19, after heat exchanger heat exchange cooling, deliver to pump group recycle.
On, two, bottom system works simultaneously, reduce the temperature of furnace lining, when soft water airtight circulating cooling system somewhere, the top cooling apparatus water yield needs to regulate separately or to cut off the water supply etc. production operation, smaller branch pipe by-pass valve control 15 in adjustable top cooling apparatus water supply smaller branch pipe 14 and top cooling apparatus backwater smaller branch pipe 17, namely complete voluntarily in internal system, do not affect bottom soft water airtight circulating cooling system work, thus make body of heater everywhere cooling apparatus work at rational temperature, make furnace lining thermo parameters method reasonable, eliminate or reduce thermal stresses, protection bricking is stablized, safeguard and reasonably operate inner mold, ensure smooth operation of furnace, complete the cooling task of blast furnace system.
Top soft water airtight circulating cooling system and bottom soft water closed circulating system are completely independent separately, do not pin down mutually, consider according to respective system heat load size and cooling stave configuring condition and calculate cooling water inflow needed for native system, avoid occurring that the unnecessary water yield is to jump pipe mode backwater phenomenon, make the resistance loss of pipeline of body of heater 360 ° of circumferential direction cooling stave smaller branch pipe consistent, ensure that the water yield entering cooling stave can be uniformly distributed.
Sectional type soft water airtight circulating cooling system of the present invention has multiple embodiments, and accompanying drawing only lays down a definition explanation use, not limitation of the present invention.Anyly do not depart from mentality of designing of the present invention, the present invention is done to unsubstantiality changes, all still belong to scope of the present invention.
Claims (1)
1. a blast furnace sectional type soft water airtight circulating cooling system, comprises top cooled region and bottom cooled region; It is characterized in that,
Bottom cooled region comprises bottom soft water water main (1), bottom cooling apparatus water supply endless tube (2), furnace bottom water cooling tube water supply endless tube (7), bottom cooling apparatus water inlet smaller branch pipe (3), bottom cooling apparatus (4), bottom cooling apparatus backwater smaller branch pipe (5), bottom cooling apparatus backwater endless tube (6), furnace bottom water cooling tube (8), furnace bottom water cooling tube backwater endless tube (9), bottom soft water return main (10);
Bottom soft water water main (1) is connected with bottom cooling apparatus water supply endless tube (2) and furnace bottom water cooling tube water supply endless tube (7) respectively; Intake smaller branch pipe (3), bottom cooling apparatus (4), bottom cooling apparatus backwater smaller branch pipe (5), bottom cooling apparatus backwater endless tube (6) of bottom cooling apparatus water supply endless tube (2) and bottom cooling apparatus is linked in sequence; Furnace bottom water cooling tube water supply endless tube (7) and furnace bottom water cooling tube (8), furnace bottom water cooling tube backwater endless tube (9) are linked in sequence; Bottom cooling apparatus backwater endless tube (6) and furnace bottom water cooling tube backwater endless tube (9) are connected with bottom soft water return main (10) respectively;
Top cooled region comprises top soft water water main (11), total tube control flap (12), top cooling apparatus water supply endless tube (13), top cooling apparatus water supply smaller branch pipe (14), smaller branch pipe by-pass valve control (15), top cooling apparatus (16), top cooling apparatus backwater smaller branch pipe (17), top cooling apparatus backwater endless tube (18), top soft water return main (19); Top cooled region is linked in sequence to by top soft water water main (11), total tube control flap (12), top cooling apparatus water supply endless tube (13), top cooling apparatus water supply smaller branch pipe (14), smaller branch pipe by-pass valve control (15), top cooling apparatus (16), top cooling apparatus backwater smaller branch pipe (17), top cooling apparatus backwater endless tube (18), top soft water return main (19) by cooling-water flowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067022.XA CN103820594B (en) | 2014-02-26 | 2014-02-26 | Blast furnace sectional type soft water airtight circulating cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067022.XA CN103820594B (en) | 2014-02-26 | 2014-02-26 | Blast furnace sectional type soft water airtight circulating cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103820594A CN103820594A (en) | 2014-05-28 |
| CN103820594B true CN103820594B (en) | 2016-03-09 |
Family
ID=50755879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410067022.XA Active CN103820594B (en) | 2014-02-26 | 2014-02-26 | Blast furnace sectional type soft water airtight circulating cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103820594B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105349720A (en) * | 2015-11-19 | 2016-02-24 | 南京钢铁股份有限公司 | Method for online treatment of water leakage of cooling wall water supply branch pipe of blast furnace hearth |
| CN105969923B (en) * | 2016-06-15 | 2017-12-26 | 扬州大学 | Steel mill's circulating cooling water system of blast furnace water rationing quantitative optimization method |
| CN106498106B (en) * | 2017-01-06 | 2018-08-14 | 中冶华天工程技术有限公司 | Modified blast furnace soft water closed circulation system and method |
| CN112853018A (en) * | 2019-11-27 | 2021-05-28 | 中冶京诚工程技术有限公司 | Open circuit industrial water cooling system |
| CN110763019B (en) * | 2019-12-02 | 2024-05-17 | 中冶焦耐(大连)工程技术有限公司 | Device and method for cooling electric smelting magnesium furnace shell |
| CN113293247A (en) * | 2021-05-31 | 2021-08-24 | 四川省达州钢铁集团有限责任公司 | Construction method of partial segmental cooling system in blast furnace |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59200707A (en) * | 1983-04-30 | 1984-11-14 | Sumitomo Metal Ind Ltd | Cooling method of bottom plate of blast furnace |
| JPS6118165Y2 (en) * | 1980-08-12 | 1986-06-03 | ||
| CN201125250Y (en) * | 2007-07-27 | 2008-10-01 | 中冶华天工程技术有限公司 | Blast furnace body soft water cooling structure |
| CN202440524U (en) * | 2012-01-06 | 2012-09-19 | 中冶东方工程技术有限公司 | Improved closed-circulation cooling water system for blast furnace |
| CN103421917A (en) * | 2013-08-15 | 2013-12-04 | 北京首钢国际工程技术有限公司 | Blast furnace soft water closed-recirculation cooling system |
| CN203393172U (en) * | 2013-08-12 | 2014-01-15 | 武汉钢铁(集团)公司 | Online adjusting system for heat load distribution of full-cooling-wall blast furnace |
-
2014
- 2014-02-26 CN CN201410067022.XA patent/CN103820594B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6118165Y2 (en) * | 1980-08-12 | 1986-06-03 | ||
| JPS59200707A (en) * | 1983-04-30 | 1984-11-14 | Sumitomo Metal Ind Ltd | Cooling method of bottom plate of blast furnace |
| CN201125250Y (en) * | 2007-07-27 | 2008-10-01 | 中冶华天工程技术有限公司 | Blast furnace body soft water cooling structure |
| CN202440524U (en) * | 2012-01-06 | 2012-09-19 | 中冶东方工程技术有限公司 | Improved closed-circulation cooling water system for blast furnace |
| CN203393172U (en) * | 2013-08-12 | 2014-01-15 | 武汉钢铁(集团)公司 | Online adjusting system for heat load distribution of full-cooling-wall blast furnace |
| CN103421917A (en) * | 2013-08-15 | 2013-12-04 | 北京首钢国际工程技术有限公司 | Blast furnace soft water closed-recirculation cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103820594A (en) | 2014-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103820594B (en) | Blast furnace sectional type soft water airtight circulating cooling system | |
| CN201486637U (en) | Novel diesel engine cooling structure | |
| CN103421917B (en) | Blast furnace soft water closed-recirculation cooling system | |
| CN103344041B (en) | Control method of water circulation heat pump water heater | |
| CN204436556U (en) | A kind of engine-cooling system and vehicle | |
| CN102042069A (en) | Engine cooling system | |
| CN109162772A (en) | A kind of steam turbine and its internal cooling method | |
| PT1768832E (en) | Cooling circuit for a preform oven and method of implementing one such circuit | |
| CN202200502U (en) | Ultrahigh-temperature hydraulic type temperature control system | |
| CN103615333B (en) | Engine cylinder block water jacket | |
| CN104405731B (en) | Hydraulic oil liquid heating system | |
| CN203411556U (en) | Closed circulating cooling system of soft water for blast furnace | |
| CN205297711U (en) | Engine intelligent cooling system based on components of a whole that can function independently cooling and reverse cooling | |
| CN205477878U (en) | Novel intelligent cooling system of engine based on components of a whole that can function independently cooling and reverse cooling | |
| JP2016050545A (en) | Cooling system for vehicle | |
| CN203393172U (en) | Online adjusting system for heat load distribution of full-cooling-wall blast furnace | |
| CN205477879U (en) | Engine intelligent cooling system based on reverse cooling | |
| CN205477880U (en) | Engine intelligent cooling systematic testing platform based on components of a whole that can function independently cooling and reverse cooling | |
| CN105234358B (en) | Cast iron tubing horizontal continuous casting equipment and technique | |
| CN204627730U (en) | Anti-explosion diesel engine warming-up cooling system | |
| CN203295528U (en) | Three-section type water volume adjustable blast furnace soft water cooling system | |
| CN208073598U (en) | Oil cooler and radiator connection structure and new work transmission cooling system | |
| CN205669888U (en) | Water storage tank and circulating heat pump water heater | |
| CN206011530U (en) | A kind of eyeglass one-step solidification stove | |
| CN103016203A (en) | Engine body for hot air engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |