CN2711669Y - Fin pipe type waste heat boiler for recovering waste heat of sintering cooling-machine - Google Patents
Fin pipe type waste heat boiler for recovering waste heat of sintering cooling-machine Download PDFInfo
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- CN2711669Y CN2711669Y CNU2004200701376U CN200420070137U CN2711669Y CN 2711669 Y CN2711669 Y CN 2711669Y CN U2004200701376 U CNU2004200701376 U CN U2004200701376U CN 200420070137 U CN200420070137 U CN 200420070137U CN 2711669 Y CN2711669 Y CN 2711669Y
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- steam
- waste heat
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- flue
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- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The utility model provides a fin pipe type waste heat boiler for recovering waste heat of sintering cooling-machine which is formed by connecting a steam generator, a steam superheater and a boiler barrel through conduits.The steam generator is composed of a plurality of heat exchange pipe units, the heat exchange pipe in each heat exchange pipe unit totally adopts a mosaic helical fin pipe, and each heat exchange pipe unit and the boiler barrel independently form a circulatory system. The steam superheater is composed of a plurality of mosaic helical fin coil pipes; the steam generator and the steam superheater are both arranged in a main flue, the water after mollification and deoxygenation directly enters the boiler barrel through a water supply pipe. The utility model has advantages of reasonable design and simple structure without a preheater. The steam generator and the steam superheater adopt the mosaic helical fin pipe with high heat exchange efficiency, simple manufacturing technique, low cost, large contact surface of the fin and the tube, favorable heat transferring effect and high compressive strength and without tube burst. A bypass flue is used to exhaust, and the on-line maintenance can be realized; the forms under the machine are increased, the heat recovery efficiency can be raised, the operation is made stable, and the maintenance is easy.
Description
Technical field
The utility model belongs to waste-heat recovery device, relates in particular to the fin pipe waste heat boiler that a kind of sinter cooler waste heat recovery is used.
Background technology
The sintering circuit energy consumption is only second to ironmaking and occupies second in iron and steel enterprise, in the sintering total energy consumption, the sensible heat that cooling machine waste gas is taken away accounts for 20～28% of total energy consumption, and as seen, the waste heat that the recycling cooling machine waste gas is taken away becomes an energy-conservation important step of sintering circuit.In the prior art, sintering deposit enters cooler after burning till on the sintering machine, under the effect of air blast or air-introduced machine, makes cold air pass hot ore bed hot ore deposit is cooled off.General cooler has a plurality of fan housings, and the waste gas in heat of cooling ore deposit is by the fan housing emptying, and waste-heat recovery device is installed at the fan housing place on machine usually.Sintering plant cooling machine waste gas waste heat recovery at present all is used to produce steam, and the apparatus-form of waste-heat recovery device is: preheater, steam generator, superheater and drum.Steam generator has the fin tube type of heat pipe-type and welding.The layout of equipment is form on the machine, because sinter cooler toxic emission temperature normally is 300 ℃ ± 50, and " double sintering " appears in sintering machine production often, and EGT is up to 600 ℃ at this moment, and heat pipe is easy to booster.In case accident appears in steam generator and superheater, the necessary stop production to overhaul of arrangement form on the machine of the other flue of nothing, this has just influenced the ordinary production of sintering machine.
Summary of the invention
The purpose of this utility model is to provide a kind of structure more simple, is convenient to maintenance, both has been applicable to form on the machine, is applicable to the fin pipe waste heat boiler that the sinter cooler waste heat recovery of form under the machine is used again.
This device mainly is formed by connecting through pipeline by steam generator, superheater and drum, described steam generator is made up of several set of heat exchange tubes, heat exchanger tube in each set of heat exchange tubes all adopts inserted spiral fin coil, and each set of heat exchange tubes all independently constitutes the circulatory system with drum; Steam superheater is made up of many inserted helical fin coiled pipes; Steam generator and steam superheater all are arranged in the flue collector, and the water after the softening deoxygenation directly enters drum through feed pipe.
The set of heat exchange tubes of steam generator described in the utility model by water-inlet header, go out vapour header, steam generator casing and the inserted spiral fin coil of 1～3 row is formed, the two ends of inserted spiral fin coil pass respectively the steam generator casing outside with water-inlet header with go out the vapour header and be welded; Described steam superheater by inlet steam header, superheater casing, go out the vapour header and the inserted helical fin coiled pipe of Duo Gen is formed, the two ends of inserted helical fin coiled pipe are passed steam superheater casing and inlet steam header respectively and are gone out the vapour header and are welded.
The flue collector of the utility model waste heat boiler can be one, at this moment, all steam generators and steam superheater all are arranged in series in the flue collector successively, the heat exchanger tube of steam generator and the angle of level are 9 °～90 °, at the other other flue also in parallel of described flue collector, and in flue collector and other flue, all be equipped with valve; Described flue collector also can be a plurality of parallel connections, at this moment, a steam generator is set respectively in each flue collector, the heat exchanger tube in it and the angle of level are 9 °～15 °, only be provided with an other flue on a plurality of flue collectors side, and in other flue and each flue collector, all be equipped with valve.
The utility model waste heat boiler is reasonable in design, simple in structure, directly the water after the deoxygenation is sent into drum, and preheater has defaulted; The heat exchanger tube of steam generator and superheater adopts inserted spiral fin coil and inserted helical fin coiled pipe respectively, and heat exchange efficiency height, not booster, and manufacturing process are simple, and cost is low, and the contact-making surface of fin and pipe is big, and heat-transfer effect is good, the compressive resistance height; In case heat exchanger tube breaks down, can use other flue gas, realize not stopping production maintenance; Owing to increased form under the machine, the applicability of equipment is strengthened greatly, be not only applicable to the sinter cooler waste heat recovery and produce steam, equally also be applicable to the occasion of the waste heat recovery production steam of other pattern.
Description of drawings
Accompanying drawing 1 is the structural representation of form under the utility model waste heat boiler machine.
Accompanying drawing 2 is the structural representation of form on the utility model waste heat boiler machine.
Accompanying drawing 3 is the structural representation of the utility model steam generator heat exchange tube group.
Accompanying drawing 4 is the connection diagram of the inserted helical fin coiled pipe of the utility model superheater.
The specific embodiment
With reference to the accompanying drawings, the utility model will be further described by embodiment.
The utility model fin pipe waste heat boiler mainly is connected and forms through pipeline by steam generator 3, superheater 2 and drum 6 as can be seen from attached Fig. 1 and 2.Described steam generator 3 is made up of several set of heat exchange tubes, and the quantity of set of heat exchange tubes is decided according to concrete application scenario.Set of heat exchange tubes comprises water-inlet header 17, goes out vapour header 16, steam generator casing 15 and the inserted spiral fin coil 14 of 1～3 row, after steam generator casing 15 is passed at the two ends of inserted spiral fin coil 14 respectively, outside with water-inlet header 17 with go out 16 welding (referring to accompanying drawing 3) of vapour header.All the down-comer 4 by separately and tedge 5 and drum 6 are independent constitutes the circulatory systems for each set of heat exchange tubes.Steam superheater 2 is made up of many inserted helical fin coiled pipes.Steam superheater 2 comprises inlet steam header 20, superheater casing 19, goes out vapour header 21 and the inserted helical fin coiled pipe 18 of Duo Gen, after steam superheater casing 19 is passed at the two ends of inserted helical fin coiled pipe 18 respectively, with inlet steam header 20 with go out 21 welding (referring to accompanying drawing 4) of vapour header.Steam superheater 2 links to each other with drum 6 by pipeline 7.Steam generator 3 and steam superheater 2 all are arranged in the flue collector 1.
On the utility model machine under form and the machine difference of form be the quantity and the arrangement form of flue collector 1 and the arrangement form of steam generator 3.Form adopts a flue collector 1 under the machine, horizontally set, as shown in Figure 1, all steam generators 3 comprise that steam superheater 2 all is arranged in series in the flue collector 1 successively, heat exchanger tube in the steam generator 3, also be inserted spiral fin coil 14 and the angle of level should help circulation like this in 9 °～90 ° scope, and on the next door of flue collector 1 an other flue 9 also in parallel.Form adopts a plurality of flue collectors 1 on the machine, stand setting, as shown in Figure 2, respectively be equipped with a steam generator 3 in each flue collector 1, the heat exchanger tube in it and the angle of level should be in 9 °～15 ° scopes, help circulation like this, steam superheater 2 is positioned on the below of first steam generator 3 of high temperature section, only establishes an other flue 9 on the next door of the flue collector 1 of a plurality of parallel connections.
During the utility model waste heat boiler ordinary production, the valve 8 of other flue 9 is closed, and the valve 10 of flue collector 1 is opened, and flue gas is discharged by the chimney 12 of flue collector 1 after steam generator 3 and superheater 2 heat exchange in flue collector 1.Soft water after the deoxygenation directly enters drum 6 through feed pipe 11 earlier, enter steam generator 3 by down-comer 4 again, add the thermosetting saturated vapor, and then enter drum 6 by tedge 5, enter superheater 2 by pipeline 7 in drum 6 after carbonated drink is separated, the steam after overheated just can be sent to the user through pipeline 13.If accident appears in fin pipe waste heat boiler, then close the valve 10 of flue collector 1, open the valve 8 of other flue 9, flue gas is just discharged by the chimney 12 of other flue 9 through other flue 9.Like this, when waste heat boiler was overhauled, sintering machine still can continue to produce.The utility model fin pipe waste heat boiler can adopt Natural Circulation or forced circulation mode according to the condition of production.
Claims (7)
1. fin pipe waste heat boiler that the sinter cooler waste heat recovery is used, be formed by connecting through pipeline by steam generator (3), superheater (2) and drum (6), it is characterized in that described steam generator (3) is made up of several set of heat exchange tubes, heat exchanger tube in each set of heat exchange tubes all adopts inserted spiral fin coil (14), and each set of heat exchange tubes all independently constitutes the circulatory system with drum (6); Steam superheater (2) is made up of many inserted helical fin coiled pipes; Steam generator (3) and steam superheater (2) all are arranged in the flue collector (1), and the water after the softening deoxygenation directly enters drum (6) through feed pipe (11).
2. fin pipe waste heat boiler according to claim 1, the set of heat exchange tubes that it is characterized in that described steam generator (3) by water-inlet header (17), go out vapour header (16), steam generator casing (15) and 1～3 inserted spiral fin coil of row (14) and formed, the two ends of inserted spiral fin coil (14) are passed steam generator casing (15) respectively outside with water-inlet header (17) with go out vapour header (16) and be welded.
3. fin pipe waste heat boiler according to claim 1, it is characterized in that described steam superheater (2) by inlet steam header (20), superheater casing (19), go out vapour header (21) and many inserted helical fin coiled pipes (18) are formed, the two ends of inserted helical fin coiled pipe (18) are passed steam superheater casing (19) respectively with inlet steam header (20) with go out vapour header (21) and be welded.
4. fin pipe waste heat boiler according to claim 1, it is characterized in that described flue collector (1) is one, all steam generators (3) and steam superheater (2) all are arranged in series in the flue collector (1) successively, and the heat exchanger tube (14) in it is 9 °～90 ° with the angle of level.
5. fin pipe waste heat boiler according to claim 4 is characterized in that being equipped with valve (10) in flue collector (1), and being equipped with valve (8) in other flue (9) at the other other flue (9) also in parallel of described flue collector (1).
6. fin pipe waste heat boiler according to claim 1, it is characterized in that described flue collector (1) is a plurality of parallel connections, a steam generator (3) is set in each flue collector (1), and the heat exchanger tube (14) in all steam generators (3) is 9 °～15 ° with the angle of level.
7. fin pipe waste heat boiler according to claim 6 is characterized in that only being provided with an other flue (9) on all flue collectors in parallel (1) side, all is equipped with valve (10) in each flue collector (1), is equipped with valve (8) in other flue (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200701376U CN2711669Y (en) | 2004-08-06 | 2004-08-06 | Fin pipe type waste heat boiler for recovering waste heat of sintering cooling-machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200701376U CN2711669Y (en) | 2004-08-06 | 2004-08-06 | Fin pipe type waste heat boiler for recovering waste heat of sintering cooling-machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2711669Y true CN2711669Y (en) | 2005-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200701376U Expired - Fee Related CN2711669Y (en) | 2004-08-06 | 2004-08-06 | Fin pipe type waste heat boiler for recovering waste heat of sintering cooling-machine |
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| CN (1) | CN2711669Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219335B (en) * | 2007-09-29 | 2010-09-08 | 北京朗新明环保科技有限公司 | Continuous operation method for desulfurization absorption column and temporary bleeder for flue gas |
| CN101706109B (en) * | 2009-09-27 | 2013-02-06 | 西安交通大学 | Embedded deep cooler for boiler flue gas |
| CN103244940A (en) * | 2013-04-15 | 2013-08-14 | 中信重工机械股份有限公司 | Medium-temperature medium-pressure double-pressure residual heat boiler with self-deoxidation system |
| CN103292304A (en) * | 2013-07-03 | 2013-09-11 | 中冶焦耐工程技术有限公司 | Radial heat tube type waste heat recovery device for flue tail gases |
| CN103322820A (en) * | 2013-06-14 | 2013-09-25 | 鞍钢集团工程技术有限公司 | Flue gas waste heat recovery device and pressure balancing method |
| CN103438723A (en) * | 2013-09-10 | 2013-12-11 | 中钢集团鞍山热能研究院有限公司 | Integrated utilization technology and device of sintering waste heat |
| CN105561741A (en) * | 2016-02-15 | 2016-05-11 | 大唐环境产业集团股份有限公司 | Multifunctional flue gas emission device of efficient absorption tower |
-
2004
- 2004-08-06 CN CNU2004200701376U patent/CN2711669Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101219335B (en) * | 2007-09-29 | 2010-09-08 | 北京朗新明环保科技有限公司 | Continuous operation method for desulfurization absorption column and temporary bleeder for flue gas |
| CN101706109B (en) * | 2009-09-27 | 2013-02-06 | 西安交通大学 | Embedded deep cooler for boiler flue gas |
| CN103244940A (en) * | 2013-04-15 | 2013-08-14 | 中信重工机械股份有限公司 | Medium-temperature medium-pressure double-pressure residual heat boiler with self-deoxidation system |
| CN103244940B (en) * | 2013-04-15 | 2015-12-30 | 中信重工机械股份有限公司 | A kind of band is from the two pressure waste heat boiler of the medium temperature and medium pressure of deaerating type of cycles |
| CN103322820A (en) * | 2013-06-14 | 2013-09-25 | 鞍钢集团工程技术有限公司 | Flue gas waste heat recovery device and pressure balancing method |
| CN103292304A (en) * | 2013-07-03 | 2013-09-11 | 中冶焦耐工程技术有限公司 | Radial heat tube type waste heat recovery device for flue tail gases |
| CN103438723A (en) * | 2013-09-10 | 2013-12-11 | 中钢集团鞍山热能研究院有限公司 | Integrated utilization technology and device of sintering waste heat |
| CN103438723B (en) * | 2013-09-10 | 2015-08-12 | 中钢集团鞍山热能研究院有限公司 | A kind of sintering waste heat comprehensive utilization process and device |
| CN105561741A (en) * | 2016-02-15 | 2016-05-11 | 大唐环境产业集团股份有限公司 | Multifunctional flue gas emission device of efficient absorption tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changchun Gas Co.,Ltd. Assignor: Anshan Lvye Thermal Engineering Technology Co., Ltd. Contract fulfillment period: 2009.2.25 to 2014.2.25 Contract record no.: 2009220000036 Denomination of utility model: Fin pipe type waste heat boiler for recovering waste heat of sintering cooling-machine Granted publication date: 20050720 License type: Exclusive license Record date: 20090619 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.2.25 TO 2014.2.25; CHANGE OF CONTRACT Name of requester: CHANGCHUN GAS CO., LTD. Effective date: 20090619 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050720 Termination date: 20110806 |