CN101067489A - Film type wall sealing dry coke quenching waste heat boiler - Google Patents
Film type wall sealing dry coke quenching waste heat boiler Download PDFInfo
- Publication number
- CN101067489A CN101067489A CN 200710023635 CN200710023635A CN101067489A CN 101067489 A CN101067489 A CN 101067489A CN 200710023635 CN200710023635 CN 200710023635 CN 200710023635 A CN200710023635 A CN 200710023635A CN 101067489 A CN101067489 A CN 101067489A
- Authority
- CN
- China
- Prior art keywords
- wall
- pipe
- membrane wall
- superheater
- burner hearth
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 40
- 239000000571 coke Substances 0.000 title claims description 28
- 238000010791 quenching Methods 0.000 title claims description 22
- 230000000171 quenching effect Effects 0.000 title claims description 22
- 239000002918 waste heat Substances 0.000 title description 5
- 239000012528 membrane Substances 0.000 claims description 68
- 239000000725 suspension Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005538 encapsulation Methods 0.000 claims description 4
- 206010012735 Diarrhoea Diseases 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The invention relates to a residue thermal boiler sealed with the film wall including the upright column, the beam, the steeve, the film wall hearth, the ceiling pipe, the condenser pipe, the superheater, the evaporator, the coal economizer and boiler outlet. The film wall hearth is suspended on the beam by the steeve. The condenser pipe, the superheater, the evaporator are set in the film wall hearth from up to down. The hearth is enclosed by the front film wall, the left film wall, the back film wall and the right film wall. The superheater and the evaporator are suspended by the ceiling pipe which is suspended on the beam by the steeve. The part which the superheater and the evaporator pass the film wall is sealed by the ripple expanding structure. The coal economizer top and the lower end of film wall hearth are connected and sealed by the expanding node; the lower end of coal economizer is connected to the boiler outlet by the expanding node. The invention has the good sealing, antiwear and heat expansion character, also it works stable.
Description
Technical field
The present invention relates to a kind of waste heat boiler, especially relate to a kind of dry coke quenching residual heat boiler of film type wall sealing.Match with the CDQ device that steel mill is adopted, produce steam with the high-temperature residual heat flue gas that utilizes the CDQ device to be produced and be used for generator for electricity generation.Belong to the power-equipment technical field.
Background technology
The CDQ technology is exactly that temperature with the production of steel mill coke oven is about 1000 ℃ red-hot coke and discharges in the coke tank truck of packing into, burnt jar is transferred to and puts out groove top through traction, lifting, from adding Jiao Kou coke is put into the dried groove chamber that prestores of putting out, come downwards to coke quencher behind the certain hour that prestores, inertia recyclegas N
2(about 180 ℃) enter coke quencher by air-blast device and heat exchange is carried out in red-hot red burnt reverse flow, red Jiao is extinguished, and with red Jiao's heat by the circulatory system (N
2About 900 ℃) be delivered to waste heat boiler, produce high pressure superheated steam, the burnt steam 0.45t (advanced value can reach 0.6t) that can produce 3.9MPa of ton, sending into steam turbine generator then generates electricity, thereby realize reducing environmental pollution, make full use of resource, improve the purpose of coke quality.
Wherein waste heat boiler is a visual plant in the whole dry quenching system, and its circulating flue gas has following characteristics:
1) exhaust gas volumn is big;
2) the smoke inlet temperature is about 960 ℃;
3) exhaust gas components (%): H
2: 0.1, N
2: 72.2, CO:0.2, H
2O:11, CO
2: 16.5; The exhaust-heat boiler inlet flue gas pressures is about-110mmH
2The negative pressure of O;
4) dust content is about 10g/Nm
3, the wearability M10 that is mainly particle reaches the coke powder particle about 7.29%.
5) because smoke inlet is the heavy wear to heating surface of negative pressure and coke powder particle, the operation stability of waste heat boiler is not high.
Original dry coke quenching residual heat boiler adopts the refractory wall sealing, and supporting construction is adopted in superheater, evaporimeter, economizer tube, has following shortcoming according to operation:
1, heating surface is supported by furnace wall, and hot expansibility is poor;
2, sealing is poor, and it is serious to leak out, and boiler efficiency is low.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of sealing, abrasionproof is functional, hot expansibility good, the dry coke quenching residual heat boiler of stable film type wall sealing.
The object of the present invention is achieved like this: a kind of dry coke quenching residual heat boiler of film type wall sealing, it is characterized in that: the boiler overall structure adopts vertical, film type wall sealing structure, comprise column, crossbeam, suspension rod, membrane wall burner hearth, furred ceiling pipe, condenser pipe, superheater, evaporimeter, economizer and boiler export
Described beam erection on column,
Described membrane wall burner hearth is hung on the crossbeam by suspension rod, be furnished with condenser pipe, superheater and evaporimeter in the membrane wall burner hearth from top to bottom successively, the membrane wall burner hearth is surrounded by front wall membrane wall, left side wall membrane wall, back wall membrane wall, right-side wall membrane wall, superheater and evaporimeter are propped up by the furred ceiling pipe and hang, the furred ceiling pipe is hung on the crossbeam by suspension rod, superheater and evaporimeter are gone along with sb. to guard him by the membrane wall burner hearth, and superheater and evaporimeter pass the membrane wall part and sealed by the expansion bellow structure
Described economizer is hung on the column, and places membrane wall burner hearth below, and the economizer upper end is connected with expansion joint with membrane wall burner hearth lower end and seals, and the economizer lower end is connected with boiler export with expansion joint and seals.
The dry coke quenching residual heat boiler of film type wall sealing of the present invention, described expansion bellow structure comprises membrane wall, backplate, expansion bellow, sealing plate, wall pipe and collection case, described wall pipe passes membrane wall fixedlys connected with the collection case, described backplate, expansion bellow and sealing plate are coated on membrane wall and the wall pipe of collection between the case, wherein the inner encapsulation of backplate is connected on the membrane wall external wall of periphery, wall pipe place through walls, the backplate outer end is connected with expansion bellow one end, the expansion bellow other end is connected with sealing plate is inner, and the sealing plate outer end is connected with the encapsulation of collection case.Backplate of the present invention, expansion bellow and sealing plate are not connected with wall pipe, and wall pipe is coated.Realize mutual displacement the taking place of wall pipe and membrane wall and guaranteed sealing.
The dry coke quenching residual heat boiler of film type wall sealing of the present invention, prop up by the furred ceiling pipe between described superheater, evaporimeter and the furred ceiling pipe and hang structure and link to each other, this furred ceiling pipe props up and hangs structure and comprise on location-plate, gripper shoe and superheater or the evaporator tube, gripper shoe is connected the furred ceiling pipe, superheater or evaporimeter pipe support are on gripper shoe, location-plate covers superheater or evaporator tube, and is connected with gripper shoe.Location-plate of the present invention, gripper shoe be not connected with superheater tube or evaporator tube, thereby realized the furred ceiling pipe to the hanging of superheater and evaporimeter, and can guarantee that superheater and evaporimeter free wxpansion moves simultaneously again.
In order to prevent the friction of furred ceiling pipe, the present invention's push pipe also capable of hoisting exposes to the open air at burner hearth and partly is covered with Antiwear casing; On the interior walls of membrane wall burner hearth, be covered with wear strip.
The dry coke quenching residual heat boiler of film type wall sealing of the present invention, described condenser pipe are not welded band steel, had loose bowels by front wall membrane wall pipe, pass from back wall membrane wall.
The dry coke quenching residual heat boiler of film type wall sealing of the present invention has following advantage:
1, each parts adopts sus-pension, and thermal expansion is good;
2, place through walls adopts expansion bellow to seal good airproof performance;
3, integral body is sealed by membrane wall, and it is few to leak out;
4, the heating surface that exposes to the open air in burner hearth is taked the abrasionproof measure, and is stable.
Therefore, the characteristic of the present invention's high-temperature residual heat flue gas that can adapt to dry coke quenching auxiliary fully and produced; Good with the dry coke quenching auxiliary matching, compact conformation, abrasionproof, sealing can realize effectively absorbing the heat and the operation steady in a long-term of high-temperature flue gas that dry coke quenching auxiliary produces, and reach energy-conservation and purpose environmental protection.
Description of drawings
Fig. 1 is the dry coke quenching residual heat boiler structural representation of film type wall sealing of the present invention.
Fig. 2 is a membrane wall structure schematic diagram of the present invention.
Fig. 3 is that the membrane wall of the wall pipe of superheater of the present invention, evaporimeter and burner hearth is by the sylphon seal schematic diagram.
Fig. 4 is that superheater of the present invention, evaporimeter are propped up by the furred ceiling pipe and hang schematic diagram.
Among the figure: crossbeam 1, suspension rod 2, boiler inlet 3, membrane wall burner hearth 4, furred ceiling pipe 5, condenser pipe 6, superheater 7, evaporimeter 8, expansion joint 9, economizer 10, expansion joint 11, boiler export 12, column 13, drum 14, front wall membrane wall 4.1, left side wall membrane wall 4.2, back wall membrane wall 4.3, right-side wall membrane wall 4.4, expansion bellow structure 15, the furred ceiling pipe props up and hangs structure 16, membrane wall 15.1, backplate 15.2, expansion bellow 15.3, sealing plate 15.4, wall pipe 15.5, collection case 15.6, location-plate 16.1, gripper shoe 16.2, superheater or evaporator tube 16.3.
The specific embodiment
Referring to Fig. 1, the present invention is a kind of dry coke quenching residual heat boiler of film type wall sealing, the boiler overall structure adopts vertical, film type wall sealing structure, mainly is made up of column 13, crossbeam 1, suspension rod 2, membrane wall burner hearth 4, furred ceiling pipe 5, condenser pipe 6, superheater 7, evaporimeter 8, expansion joint 9, economizer 10, expansion joint 11, drum 14, boiler inlet 3 and boiler export 12.Described column 13 has four, and flat raft is arranged in twos, and crossbeam 1 has two, is set up in respectively between front row and the back row two row's columns 13, and described membrane wall burner hearth 4 is hung on the crossbeam 1 by suspension rod 2.Be furnished with condenser pipe 6, superheater 7 and evaporimeter 8 in the membrane wall burner hearth 4 from top to bottom successively.Described membrane wall burner hearth 4 is surrounded by front wall membrane wall 4.1, left side wall membrane wall 4.2, back wall membrane wall 4.3, right-side wall membrane wall 4.4, as Fig. 2.Wherein, described condenser pipe 6 is not welded band steel, had loose bowels by front wall membrane wall pipe, passes from back wall membrane wall 4.3, and superheater 7 and evaporimeter 8 are by hanging with 5 of furred ceiling pipes, and furred ceiling pipe 5 is hung on the crossbeam 1 by suspension rod 2.Superheater 7 and evaporimeter 8 are gone along with sb. to guard him by membrane wall burner hearth 4, and superheater, evaporimeter pass the membrane wall part and sealed by expansion bellow structure 15.
Described economizer 10 is hung on the column separately, and places membrane wall burner hearth 4 belows, and economizer 10 upper ends are connected with expansion joint 9 with membrane wall burner hearth 4 lower ends and seal, and economizer 10 lower ends are connected with boiler export 12 with expansion joint 11 and seal.Boiler inlet 3 is installed on the membrane wall burner hearth 4 top membrane walls, and drum 14 is installed on crossbeam 1 top.
Referring to Fig. 3, described expansion bellow structure 15 mainly is made up of membrane wall 15.1, backplate 15.2, expansion bellow 15.3, sealing plate 15.4, wall pipe 15.5 and collection case 15.6.Described wall pipe 15.5 passes membrane wall 15.1 fixedlys connected with collection case 15.6, described backplate 15.2, expansion bellow 15.3 and sealing plate 15.4 are coated on membrane wall 15.1 and the wall pipe 15.5 of collection between the case 15.6, wherein backplate 15.2 the inners are welded on the external wall of the peripheral membrane wall 15.1 in wall pipe 15.5 places through walls, outer end and the welding of expansion bellow 15.3 one ends, expansion bellow 15.3 other ends and sealing plate 15.4 inner welding, sealing plate 15.4 outer ends and 15.6 welding of collection case.
Referring to Fig. 4, prop up by the furred ceiling pipe between described superheater 7, evaporimeter 8 and the furred ceiling pipe 3 and hang structure 16 and link to each other, this furred ceiling pipe props up and hangs structure 16 and mainly be made up of furred ceiling pipe 3, location-plate 16.1, gripper shoe 16.2 and superheater or evaporator tube 16.3.Gripper shoe 16.2 is welded on the furred ceiling pipe 3, and location-plate 16.1 covers superheater or evaporator tube 16.3 on gripper shoe 16.2 for 16.3 of superheater or evaporator tubes, and welds with gripper shoe 16.2.
Claims (6)
1, a kind of dry coke quenching residual heat boiler of film type wall sealing, it is characterized in that: the boiler overall structure adopts vertical, film type wall sealing structure, comprise column (13), crossbeam (1), suspension rod (2), membrane wall burner hearth (4), furred ceiling pipe (5), condenser pipe (6), superheater (7), evaporimeter (8), economizer (10) and boiler export (12)
Described crossbeam (1) is set up on the column (13),
Described membrane wall burner hearth (4) is hung on the crossbeam (1) by suspension rod (2), be furnished with condenser pipe (6) in the membrane wall burner hearth (4) from top to bottom successively, superheater (7) and evaporimeter (8), membrane wall burner hearth (4) is by front wall membrane wall (4.1), left side wall membrane wall (4.2), back wall membrane wall (4.3), right-side wall membrane wall (4.4) surrounds, superheater (7) and evaporimeter (8) are propped up by furred ceiling pipe (5) and hang, furred ceiling pipe (5) is hung on the crossbeam (1) by suspension rod (2), superheater (7) and evaporimeter (8) are gone along with sb. to guard him by membrane wall burner hearth (4), superheater (7) and evaporimeter (8) pass the membrane wall part and are sealed by expansion bellow structure (15)
Described economizer (10) is hung on the column, and place below the membrane wall burner hearth (4), economizer (10) upper end is connected with expansion joint (9) with membrane wall burner hearth (4) lower end and seals, and economizer (10) lower end is connected with boiler export (12) with expansion joint (11) and seals.
2, the dry coke quenching residual heat boiler of a kind of film type wall sealing according to claim 1, it is characterized in that: described expansion bellow structure (15) comprises membrane wall (15.1), backplate (15.2), expansion bellow (15.3), sealing plate (15.4), wall pipe (15.5) and collection case (15.6), described wall pipe (15.5) passes membrane wall (15.1) fixedlys connected with collection case (15.6), described backplate (15.2), expansion bellow (15.3) and sealing plate (15.4) are coated on the wall pipe (15.5) between membrane wall (15.1) and collection case (15.6), wherein the inner encapsulation of backplate (15.2) is connected on the external wall of wall pipe (15.5) the peripheral membrane wall in place through walls (15.1), backplate (15.2) outer end is connected with expansion bellow (15.3) one ends, expansion bellow (15.3) other end is connected with sealing plate (15.4) is inner, and sealing plate (15.4) outer end is connected with collection case (15.6) encapsulation.
3, the dry coke quenching residual heat boiler of a kind of film type wall sealing according to claim 1 and 2, it is characterized in that: described superheater (7), prop up by the furred ceiling pipe between evaporimeter (8) and the furred ceiling pipe (3) and hang structure (16) and link to each other, this furred ceiling pipe props up and hangs structure (16) and comprise location-plate (16.1), gripper shoe (16.2) and superheater or evaporator tube (16.3), gripper shoe (16.2) is connected on the furred ceiling pipe (3), superheater or evaporator tube (16.3) frame is on gripper shoe (16.2), location-plate (16.1) covers superheater or evaporator tube (16.3), and is connected with gripper shoe (16.2).
4, the dry coke quenching residual heat boiler of a kind of film type wall sealing according to claim 1 and 2 is characterized in that: described furred ceiling pipe (5) exposes to the open air at burner hearth and partly is covered with Antiwear casing.
5, the dry coke quenching residual heat boiler of a kind of film type wall sealing according to claim 1 and 2 is characterized in that: be covered with wear strip on the interior walls of membrane wall burner hearth (4).
6, the dry coke quenching residual heat boiler of a kind of film type wall sealing according to claim 1 and 2 is characterized in that: described condenser pipe (6) is not welded band steel, had loose bowels by front wall membrane wall pipe, passes from back wall membrane wall (4.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100236353A CN100547294C (en) | 2007-06-07 | 2007-06-07 | The dry coke quenching residual heat boiler of film type wall sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100236353A CN100547294C (en) | 2007-06-07 | 2007-06-07 | The dry coke quenching residual heat boiler of film type wall sealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101067489A true CN101067489A (en) | 2007-11-07 |
| CN100547294C CN100547294C (en) | 2009-10-07 |
Family
ID=38880117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100236353A Expired - Fee Related CN100547294C (en) | 2007-06-07 | 2007-06-07 | The dry coke quenching residual heat boiler of film type wall sealing |
Country Status (1)
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|---|---|
| CN (1) | CN100547294C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451768B (en) * | 2007-11-28 | 2010-09-22 | 中国恩菲工程技术有限公司 | Exhaust-heating boiler |
| CN101334156B (en) * | 2008-07-22 | 2011-09-28 | 马龙根 | Red coke waste heat boiler |
| CN102242921A (en) * | 2011-05-05 | 2011-11-16 | 中材节能股份有限公司 | Waste heat boiler for power generating system based on tail gas waste heat of pot-type carbon calcining furnace |
| CN103912864A (en) * | 2014-03-28 | 2014-07-09 | 无锡华光锅炉股份有限公司 | Header support and limit device in boiler |
| CN106051155A (en) * | 2016-07-07 | 2016-10-26 | 兴化市热华能源有限公司 | Sealing structure applied to ventilating beam of economizer |
| CN106996552A (en) * | 2017-05-05 | 2017-08-01 | 张家港格林沙洲锅炉有限公司 | Membrane wall list drum marine boiler |
| CN107893999A (en) * | 2017-12-14 | 2018-04-10 | 上海康恒环境股份有限公司 | A kind of waste incinerator water cooling drop wall device |
| CN109578959A (en) * | 2018-12-26 | 2019-04-05 | 苏州海陆重工股份有限公司 | A kind of dry coke quenching residual heat boiler |
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| CN102374515A (en) * | 2011-09-13 | 2012-03-14 | 杭州杭锅工业锅炉有限公司 | Tamping coke high-pressure high-temperature CDQ (coke dry quenching) waste heat boiler |
| CN102798110A (en) * | 2012-07-16 | 2012-11-28 | 大连易世达新能源发展股份有限公司 | Modularized waste heat boiler at kiln tail of cement kiln |
| CN102954457A (en) * | 2012-11-09 | 2013-03-06 | 杭州锅炉集团股份有限公司 | Prearranged evaporator of coke dry quenching waste heat boiler |
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| JP3896052B2 (en) * | 2002-08-12 | 2007-03-22 | 新日鉄エンジニアリング株式会社 | CDQ circulating air blowing method and system |
| CN201100628Y (en) * | 2007-06-08 | 2008-08-13 | 江苏双良锅炉有限公司 | Film wall sealing dry extinction coke residual heat boiler |
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- 2007-06-07 CN CNB2007100236353A patent/CN100547294C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451768B (en) * | 2007-11-28 | 2010-09-22 | 中国恩菲工程技术有限公司 | Exhaust-heating boiler |
| CN101334156B (en) * | 2008-07-22 | 2011-09-28 | 马龙根 | Red coke waste heat boiler |
| CN102242921A (en) * | 2011-05-05 | 2011-11-16 | 中材节能股份有限公司 | Waste heat boiler for power generating system based on tail gas waste heat of pot-type carbon calcining furnace |
| CN103912864A (en) * | 2014-03-28 | 2014-07-09 | 无锡华光锅炉股份有限公司 | Header support and limit device in boiler |
| CN103912864B (en) * | 2014-03-28 | 2016-04-06 | 无锡华光锅炉股份有限公司 | Header supporting and limiting device in a kind of boiler |
| CN106051155A (en) * | 2016-07-07 | 2016-10-26 | 兴化市热华能源有限公司 | Sealing structure applied to ventilating beam of economizer |
| CN106996552A (en) * | 2017-05-05 | 2017-08-01 | 张家港格林沙洲锅炉有限公司 | Membrane wall list drum marine boiler |
| CN107893999A (en) * | 2017-12-14 | 2018-04-10 | 上海康恒环境股份有限公司 | A kind of waste incinerator water cooling drop wall device |
| CN107893999B (en) * | 2017-12-14 | 2024-05-03 | 上海康恒环境股份有限公司 | Water-cooling drop wall device of garbage incinerator |
| CN109578959A (en) * | 2018-12-26 | 2019-04-05 | 苏州海陆重工股份有限公司 | A kind of dry coke quenching residual heat boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100547294C (en) | 2009-10-07 |
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Granted publication date: 20091007 |