CN201100628Y - Film wall sealing dry extinction coke residual heat boiler - Google Patents
Film wall sealing dry extinction coke residual heat boiler Download PDFInfo
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- CN201100628Y CN201100628Y CNU2007200399750U CN200720039975U CN201100628Y CN 201100628 Y CN201100628 Y CN 201100628Y CN U2007200399750 U CNU2007200399750 U CN U2007200399750U CN 200720039975 U CN200720039975 U CN 200720039975U CN 201100628 Y CN201100628 Y CN 201100628Y
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- wall
- membrane wall
- pipe
- superheater
- boiler
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Abstract
The utility model relates to a sealed dry quenching waste-heat recovery boiler with membrane type wall, which comprises an upright column (13), a cross beam (1), a hanger rod (2), a boiler with membrane type wall (4), a ceiling tube (5), a condenser pipe (6), an overheater (7), an evaporator (8), a coal economizer (10) and a boiler outlet (12). The boiler with the membrane type wall (4) is suspended on the cross beam (1) by the hanger rod (2), and the condenser pipe (6), the overheater (7) and the evaporator (8) are up-down sequentially disposed in the boiler with membrane type wall, further the boiler with membrane type wall is formed by a front membrane type wall, a left membrane type wall, a rear membrane type wall and a right membrane type wall. The overheater (7) and the evaporator (8) are suspended by the ceiling tube (5) which is suspended on the cross beam by the hanger rod, and the portion of the overheater (7) and the evaporator (8) which penetrates the membrane type wall is sealed by a corrugated-type expansion joint structure (15), then the upper end of the coal economizer (10) and the lower end of the boiler with membrane type wall (4) are connected with each other through the expansion joint (9) and sealed, further the lower end of the coal economizer (10) and the boiler outlet (12) are connected with each other through the expansion joint (11) and sealed. The sealed dry quenching waste-heat recovery boiler with membrane type wall has the advantages of good sealing and wearing preventive property, good heat expansion property, and stable operation.
Description
Technical field
The utility model relates to a kind of waste heat boiler, especially relates 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 purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of sealing, abrasionproof is functional, hot expansibility good, the dry coke quenching residual heat boiler of stable film type wall sealing.
The purpose of this utility model is achieved in that 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 the utility model film type wall sealing, 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 utility model, 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 the utility model film type wall sealing, 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 utility model, 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 utility model 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 the utility model film type wall sealing, 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 the utility model film type wall sealing 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 utility model 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 the utility model film type wall sealing.
Fig. 2 is a membrane wall structure schematic diagram of the present utility model.
Fig. 3 is that the membrane wall of the wall pipe of superheater of the present utility model, evaporimeter and burner hearth is by the sylphon seal schematic diagram.
Fig. 4 is that superheater of the present utility model, 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 utility model 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 5 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 5, 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 5, 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. the dry coke quenching residual heat boiler of a 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 (5) 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 (5), 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, it 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, it 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 |
|---|---|---|---|
| CNU2007200399750U CN201100628Y (en) | 2007-06-08 | 2007-06-08 | Film wall sealing dry extinction coke residual heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200399750U CN201100628Y (en) | 2007-06-08 | 2007-06-08 | Film wall sealing dry extinction coke residual heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100628Y true CN201100628Y (en) | 2008-08-13 |
Family
ID=39937162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200399750U Expired - Lifetime CN201100628Y (en) | 2007-06-08 | 2007-06-08 | Film wall sealing dry extinction coke residual heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100628Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100547294C (en) * | 2007-06-07 | 2009-10-07 | 江苏双良锅炉有限公司 | The dry coke quenching residual heat boiler of film type wall sealing |
| CN102597620A (en) * | 2009-04-09 | 2012-07-18 | 福斯特韦勒能源股份公司 | Thermal power plant |
| CN107062178A (en) * | 2017-06-14 | 2017-08-18 | 江苏正阳锅炉有限公司 | Vertical refuse destruction membrane wall waste heat boiler |
| CN107084630A (en) * | 2017-05-18 | 2017-08-22 | 华北理工大学 | A kind of application of membrane wall structure in particle heat exchange |
| CN108506919A (en) * | 2018-03-15 | 2018-09-07 | 铂瑞能源环境工程有限公司 | A kind of thermal efficiency raising type dry coke quenching residual heat boiler |
-
2007
- 2007-06-08 CN CNU2007200399750U patent/CN201100628Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100547294C (en) * | 2007-06-07 | 2009-10-07 | 江苏双良锅炉有限公司 | The dry coke quenching residual heat boiler of film type wall sealing |
| CN102597620A (en) * | 2009-04-09 | 2012-07-18 | 福斯特韦勒能源股份公司 | Thermal power plant |
| CN102597620B (en) * | 2009-04-09 | 2014-10-01 | 福斯特韦勒能源股份公司 | Thermal power plant |
| US9151496B2 (en) | 2009-04-09 | 2015-10-06 | Amec Foster Wheeler Energia Oy | Thermal power plant |
| CN107084630A (en) * | 2017-05-18 | 2017-08-22 | 华北理工大学 | A kind of application of membrane wall structure in particle heat exchange |
| CN107084630B (en) * | 2017-05-18 | 2019-04-05 | 华北理工大学 | A kind of application of membrane wall structure in particle heat exchange |
| CN107062178A (en) * | 2017-06-14 | 2017-08-18 | 江苏正阳锅炉有限公司 | Vertical refuse destruction membrane wall waste heat boiler |
| CN108506919A (en) * | 2018-03-15 | 2018-09-07 | 铂瑞能源环境工程有限公司 | A kind of thermal efficiency raising type dry coke quenching residual heat boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |