CN109595584A - Gas baffle mechanism in waste heat boiler - Google Patents
Gas baffle mechanism in waste heat boiler Download PDFInfo
- Publication number
- CN109595584A CN109595584A CN201811608073.3A CN201811608073A CN109595584A CN 109595584 A CN109595584 A CN 109595584A CN 201811608073 A CN201811608073 A CN 201811608073A CN 109595584 A CN109595584 A CN 109595584A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- exchanger tube
- gas baffle
- support frame
- suspension hook
- 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
- 239000007789 gas Substances 0.000 title claims abstract description 61
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 239000002918 waste heat Substances 0.000 title claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 11
- 239000003546 flue gas Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
- F23M9/10—Baffles or deflectors formed as tubes, e.g. in water-tube boilers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
The invention discloses the gas baffle mechanisms in a kind of waste heat boiler, it include: to be arranged to form gas baffle by several spaced heat exchanger tubes, it is connected by top elbow between the top of adjacent heat exchange tubes in each heat exchanger tube row, it is connected by bottom elbow between the bottom of adjacent heat exchange tubes in each heat exchanger tube row, heat exchanger tube is arranged in pairs, the upper end of two adjacent heat exchanger tubes of each group of two heat exchanger tubes row end is connected by bridge piece, and burner hearth is stretched out in the upper end of all heat exchanger tube rows；Support frame is provided with above gas baffle, several sunpenders are provided on support frame, the lower end of every sunpender is threaded with adjusting nut, and suspension hook is fixedly installed on each adjusting nut, and each suspension hook hangs a top elbow to hang on the support frame gas baffle.The present invention has the advantages that the connection structure between gas baffle and support frame is simplified, the service life of the erecting by overhang of gas baffle effectively extends.
Description
Technical field
The present invention relates to boiler technology fields, and in particular to the gas baffle mechanism in waste heat boiler.
Background technique
Gas baffle is arranged in water-cooling wall radiation chamber or water-cooling wall convection cell, and its role is to upset flow of flue gas side
To degree of filling of the raising flue gas in entire burner hearth, to effectively improve heat transfer effect.
Gas baffle is fixedly connected on the support frame, and a large amount of dust stratifications are had after working long hours, on gas baffle, in order to
Dust stratification on gas baffle is removed, the principle of low frequency oscillation usually can be all taken, is made on gas baffle by rapping
Dust is fallen.But current due to being fixedly connected between gas baffle and support frame, gas baffle under the action of rapping power
Connection between support frame is easily damaged.
Summary of the invention
The technical problem to be solved in the invention is: providing the cigarette in a kind of waste heat boiler that can effectively prolong the service life
Gas baffle mechanism.
To solve the above problems, the technical solution adopted by the present invention is that: the gas baffle mechanism in waste heat boiler, comprising:
Gas baffle in burner hearth is set, and the gas baffle is arranged by several spaced heat exchanger tubes and formed, adjacent heat exchange
Heat exchanger tube row between pipe row and positioned at both ends and there are the gap current for flue gas, Mei Gehuan between the inner wall of burner hearth
It is connected by top elbow between the top of adjacent heat exchange tubes in heat pipe row, the bottom of adjacent heat exchange tubes in each heat exchanger tube row
It is connected by bottom elbow between portion, heat exchanger tube is arranged in pairs, and each group of two heat exchanger tubes arrange adjacent two in end
The upper end of root heat exchanger tube is connected by bridge piece, and burner hearth is stretched out in the upper end of all heat exchanger tube rows；Gas baffle it is upper
Side is provided with support frame, several sunpenders is provided on support frame, the lower end of every sunpender is threaded with adjusting nut, each
Suspension hook is fixedly installed on adjusting nut, each suspension hook hangs a top elbow to prop up gas baffle hanging
On support.
Further, the gas baffle mechanism in waste heat boiler above-mentioned, wherein stretch out on the gas baffle of burner hearth and be arranged
There is rapping beam, the rapping beam is arranged perpendicular to each heat exchanger tube and is welded and fixed between each heat exchanger tube row.
Further, the gas baffle mechanism in waste heat boiler above-mentioned, wherein the suspension hook is U-shaped suspension hook, U
The both ends of shape suspension hook are weldingly fixed on nut.
Further, the gas baffle mechanism in waste heat boiler above-mentioned, wherein the installation knot between sunpender and support frame
Structure includes: that installation through-hole is offered on support frame, and the upper end of sunpender is stretched out from installation through-hole, on the sunpender above installation through-hole
It is provided with washer and is threaded with locking nut, washer is pressed on the support frame at the top of installation through-hole by locking nut.
Further, the gas baffle mechanism in waste heat boiler above-mentioned, wherein all heat exchanger tubes row's of gas baffle
Top is provided with import header and outlet header, and two heat exchanger tubes of each group of two exclusive ends of heat exchanger tube are respectively that import is changed
Heat pipe and outlet heat exchanger tube, the upper end of every import heat exchanger tube is connected with import header, and every outlet heat exchanger tube and goes out
Mouth header is connected.
The invention has the advantages that one, using heat exchanger tube arrange to form gas baffle, in this way can not only be in burner hearth inner barrier cigarette
Gas improves degree of filling of the flue gas in burner hearth, moreover it is possible to heat exchange is carried out, to make full use of the heat of high-temperature flue gas.Two, it is formed
The heat exchanger tube row of gas baffle is hung on suspension hook by top elbow, and this not only simplifies between gas baffle and support frame
Connection structure, it is thus also avoided that rigid connection is formed between gas baffle and support frame, it is clear when being carried out by the way of impact vibration
When ash work, the situation that can effectively avoid the erecting by overhang for hanging entire gas baffle impaired because of rapping power occurs, thus
The service life of erecting by overhang can effectively be extended.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the gas baffle mechanism in waste heat boiler of the present invention.
Fig. 2 is structural schematic diagram shown in Fig. 1 left view direction.
Fig. 3 is the attachment structure schematic diagram between the middle and upper part Fig. 1 elbow and sunpender.
Fig. 4 is Fig. 3 left view direction structural schematic diagram.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and preferred embodiments.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the gas baffle mechanism in waste heat boiler, comprising: the cigarette in burner hearth 1 is set
Gas baffle 20.The gas baffle 20 is formed by several spaced heat exchanger tubes rows 2, adjacent heat exchanger tube arranges between 2, with
And there are the gaps 21 current for flue gas between the heat exchanger tube row 2 at both ends and the inner wall of burner hearth 1.Each heat exchanger tube row 2
It is connected by top elbow 22 between the top of middle adjacent heat exchange tubes, the bottom of adjacent heat exchange tubes in each heat exchanger tube row 2
Between be connected by bottom elbow 23.In pairs, it is adjacent that each group of two heat exchanger tubes arrange 2 ends to heat exchanger tube row 2
The upper end of two heat exchanger tubes is connected by bridge piece 24, and burner hearth 1 is stretched out in the upper end of all heat exchanger tube rows 2.The present embodiment
In, the top of gas baffle 20 is provided with import header 9 and outlet header 10, and each group of two heat exchanger tube arranges the two of 2 outer ends
Root heat exchanger tube be respectively import heat exchanger tube 25 and outlet heat exchanger tube 26, the upper end of every import heat exchanger tube 25 with import header 9
It is connected, every outlet heat exchanger tube 26 is connected with outlet header 10.
The top of gas baffle 20 is provided with support frame 4, is provided with several sunpenders 5 on support frame 4, under every sunpender 5
End is threaded with adjusting nut 6, and suspension hook 7, suspension hook described in the present embodiment are fixedly installed on each adjusting nut 6
7 be U-shaped suspension hook, and the both ends of U-shaped suspension hook are weldingly fixed on the outer wall of adjusting nut 6.Adjusting nut 6 is adjustable in sunpender 5
On position, thus to adjust the height of hanging.In the present embodiment, the mounting structure between every sunpender 5 and support frame 4 is wrapped
It includes: offering installation through-hole 41 on support frame 4, the upper end of sunpender 5 is stretched out from installation through-hole 41, and 41 top of installation through-hole is hung
It is provided with washer 42 on bar 4 and is threaded with locking nut 8, locking nut 8 is by the pressure of washer 42 gear at 41 top of installation through-hole
Support frame 4 on.
Each suspension hook 7 is hung with a top elbow 22, thus by the hanging of entire gas baffle 20 on support frame 4.
The quantity of sunpender 5 can need to be arranged according to practical hanging, as long as ensuring that entire gas baffle 20 can lift i.e. with surely leaning on
It can.
In the present embodiment, stretch out on the gas baffle 20 of burner hearth 1 and be provided with rapping beam 11, the rapping beam 11 perpendicular to
Each heat exchanger tube is arranged 2 and is welded and fixed between each heat exchanger tube row 2.It is arranged after rapping beam 11, can periodically passes through vibration
Rapping beam 11 is beaten, so that the dust on the gas baffle 20 being located in burner hearth 1 be made to fall.Gas baffle 20 passes through 7 activity of suspension hook
Hanging is on support frame 4, and the rapping power being handed on sunpender 5 in this way will effectively reduce, so as to protect the hangings such as sunpender 5 entire
The erecting by overhang of gas baffle 20.
The present invention has the advantages that one, using heat exchanger tube row 2 formed gas baffles 20, in this way can not only be in 1 internal resistance of burner hearth
Flue gas is kept off, improves degree of filling of the flue gas in burner hearth, moreover it is possible to heat exchange is carried out, to make full use of the heat of high-temperature flue gas.Two,
Formed gas baffle 20 heat exchanger tube row 2 by top elbow 22 hang on suspension hook 7, this not only simplifies gas baffle 20 with
Connection structure between support frame 4, it is thus also avoided that rigid connection is formed between gas baffle 20 and support frame 4, when using impact
When the mode of vibration carries out deashing work, can effectively avoid the erecting by overhang for hanging entire gas baffle 20 due to rapping power by
The case where damage, occurs, so as to effectively extend the service life of erecting by overhang.
Claims (5)
1. the gas baffle mechanism in waste heat boiler, comprising: the gas baffle in burner hearth is arranged in, it is characterised in that: described
Gas baffle is arranged by several spaced heat exchanger tubes and is formed, between adjacent heat exchanger tube row and the heat exchanger tube positioned at both ends
Arrange between the inner wall of burner hearth there are the gap current for flue gas, in each heat exchanger tube row between the top of adjacent heat exchange tubes
It is connected by top elbow, is connected by bottom elbow between the bottom of adjacent heat exchange tubes in each heat exchanger tube row, is changed
Heat pipe is arranged in pairs, and the upper end of two adjacent heat exchanger tubes of each group of two heat exchanger tubes row end passes through bridge piece phase
Burner hearth is stretched out in the upper end of connection, all heat exchanger tube rows；Support frame is provided with above gas baffle, if being provided on support frame
Dry sunpender, the lower end of every sunpender are threaded with adjusting nut, suspension hook are fixedly installed on each adjusting nut, each
Suspension hook hangs a top elbow to hang on the support frame gas baffle.
2. the gas baffle mechanism in waste heat boiler according to claim 1, it is characterised in that: stretch out the flue gas gear of burner hearth
Rapping beam is provided on plate, the rapping beam is arranged perpendicular to each heat exchanger tube and welded between each heat exchanger tube row solid
It is fixed.
3. the gas baffle mechanism in waste heat boiler according to claim 2, it is characterised in that: the suspension hook is U-shaped
The both ends of suspension hook, U-shaped suspension hook are weldingly fixed on nut.
4. the gas baffle mechanism in waste heat boiler according to claim 1 or 2 or 3, it is characterised in that: sunpender and support
Mounting structure between frame includes: that installation through-hole is offered on support frame, and the upper end of sunpender is stretched out from installation through-hole, and installation is logical
It is provided with washer on sunpender above hole and is threaded with locking nut, washer is pressed on installation through-hole top by locking nut
On the support frame in portion.
5. the gas baffle mechanism in waste heat boiler according to claim 1 or 2 or 3, it is characterised in that: gas baffle
The top of all heat exchanger tube rows is provided with import header and outlet header, two heat exchange of each group of two exclusive ends of heat exchanger tube
Pipe is respectively import heat exchanger tube and outlet heat exchanger tube, and the upper end of every import heat exchanger tube is connected with import header, and every goes out
Mouth heat exchanger tube is connected with outlet header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811608073.3A CN109595584A (en) | 2018-12-27 | 2018-12-27 | Gas baffle mechanism in waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811608073.3A CN109595584A (en) | 2018-12-27 | 2018-12-27 | Gas baffle mechanism in waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109595584A true CN109595584A (en) | 2019-04-09 |
Family
ID=65964492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811608073.3A Pending CN109595584A (en) | 2018-12-27 | 2018-12-27 | Gas baffle mechanism in waste heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109595584A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA342412A (en) * | 1934-06-19 | Kooistra Lambert | Boiler tube support | |
| RU2171960C2 (en) * | 1999-11-09 | 2001-08-10 | Открытое акционерное общество "Череповецкий сталепрокатный завод" | Furnace for thermal and chemical treatment of metalware in controlled atmosphere and method of its heating |
| CN201955005U (en) * | 2010-12-02 | 2011-08-31 | 上海久升节能工程有限公司 | Fixing and guiding device for heat exchange tube group in waste heat boiler for submerged arc furnace |
| CN104121587A (en) * | 2014-08-06 | 2014-10-29 | 无锡华光锅炉股份有限公司 | Smoke baffle structure of garbage incineration furnace |
| CN207907720U (en) * | 2018-01-30 | 2018-09-25 | 天津华能北方热力设备有限公司 | A kind of electric-furnace exhaust heat boiler with Z-type heat exchanger tube |
| CN209893454U (en) * | 2018-12-27 | 2020-01-03 | 苏州海陆重工股份有限公司 | Smoke baffle mechanism in waste heat boiler |
-
2018
- 2018-12-27 CN CN201811608073.3A patent/CN109595584A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA342412A (en) * | 1934-06-19 | Kooistra Lambert | Boiler tube support | |
| RU2171960C2 (en) * | 1999-11-09 | 2001-08-10 | Открытое акционерное общество "Череповецкий сталепрокатный завод" | Furnace for thermal and chemical treatment of metalware in controlled atmosphere and method of its heating |
| CN201955005U (en) * | 2010-12-02 | 2011-08-31 | 上海久升节能工程有限公司 | Fixing and guiding device for heat exchange tube group in waste heat boiler for submerged arc furnace |
| CN104121587A (en) * | 2014-08-06 | 2014-10-29 | 无锡华光锅炉股份有限公司 | Smoke baffle structure of garbage incineration furnace |
| CN207907720U (en) * | 2018-01-30 | 2018-09-25 | 天津华能北方热力设备有限公司 | A kind of electric-furnace exhaust heat boiler with Z-type heat exchanger tube |
| CN209893454U (en) * | 2018-12-27 | 2020-01-03 | 苏州海陆重工股份有限公司 | Smoke baffle mechanism in waste heat boiler |
Non-Patent Citations (1)
| Title |
|---|
| 朱大林等: "《起重机械设计》", vol. 1, 31 December 2014, 武汉：华中科技大学出版社 , pages: 79 * |
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