CN107255283B - A kind of superheater for industrial burning boiler - Google Patents
A kind of superheater for industrial burning boiler Download PDFInfo
- Publication number
- CN107255283B CN107255283B CN201710578705.5A CN201710578705A CN107255283B CN 107255283 B CN107255283 B CN 107255283B CN 201710578705 A CN201710578705 A CN 201710578705A CN 107255283 B CN107255283 B CN 107255283B
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- filter plate
- exchanger tube
- metal filter
- superheater
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G3/00—Steam superheaters characterised by constructional features; Details of component parts thereof
- F22G3/008—Protection of superheater elements, e.g. cooling superheater tubes during starting-up periods, water tube screens
Abstract
The invention discloses a kind of superheaters for industrial burning boiler, including several heat exchanger tubes being arranged in furnace chamber, the heat exchanger tube includes the first heat exchanger tube and the second heat exchanger tube, the heat exchanger tube is vertically arranged in the furnace chamber, and it is spaced between any two equal, it further include import header in the furnace chamber, outlet header and U-shaped superheater tube, the import header is for connecting first heat exchanger tube and the U-shaped superheater tube, the outlet header is for connecting and second heat exchanger tube and the U-shaped superheater tube, it further include the first metal filter plate and the second metal filter plate in the furnace chamber, the first metal filter plate and the second metal filter plate are horizontally disposed, both ends are connect with furnace wall, the first metal filter plate is located above the heat exchanger tube, the second metal filter plate is located at below the heat exchanger tube.
Description
Technical field
The present invention relates to burning boiler field more particularly to a kind of superheaters for industrial burning boiler.
Background technique
In burning boiler, since superheater workpiece environment is very severe, the heat exchanger tube of the superheater of burning boiler is being transported
During row, tend to the problem of booster (usually just starting booster within 15 months or so in operation) occur, because of the pipe of superheater
Road quality or the other reasons cycle of operation are even shorter.
Problem occurs for the superheater tubes burst of burning boiler at present, generallys use the cooling of blowing out immediately, passes through soldering
The mode for replacing a segment pipe is repaired；Such processing method the problem is that: after running for a period of time, booster can be
It repeated on the identical section of the same root canal, the same area repaired.In view of this, the reason of understanding superheater tubes burst,
The principle of superheater tube failure is studied, thus proposes the precautionary measures of superheater tubes burst, reduces the generation of superheater tubes burst accident,
It is current major issue urgently to be solved.
Summary of the invention
Goal of the invention: to solve the problems in the background art, the present invention provides a kind of for industrial burning boiler
Superheater.
Technical solution: a kind of superheater for industrial burning boiler, including several heat exchanger tubes being arranged in furnace chamber,
The heat exchanger tube includes the first heat exchanger tube and the second heat exchanger tube, and the heat exchanger tube is vertically arranged in the furnace chamber, and two
It is spaced equal between two, further includes import header, outlet header and U-shaped superheater tube in the furnace chamber, the import header is used
In connecting first heat exchanger tube and the U-shaped superheater tube, the outlet header is for connecting and second heat exchanger tube and institute
State U-shaped superheater tube, further include the first metal filter plate and the second metal filter plate in the furnace chamber, the first metal filter plate and
The second metal filter plate is horizontally disposed, and both ends are connect with furnace wall, and the first metal filter plate is located above the heat exchanger tube, institute
It states the second metal filter plate to be located at below the heat exchanger tube, the first metal filter plate and the second metal filter plate are provided with
Several circular through holes, the circular through hole area at least cover filter plate 70%.
As a kind of preferred embodiment of the invention, the heat exchanger tube is identical as the material of the U-shaped superheater tube and diameter
It is equal.
It further include horizontal positioning device in the furnace chamber as a kind of preferred embodiment of the invention, the located lateral dress
The first connecting rod including being arranged on the furnace wall is set, the first connecting rod is for connecting the first pipe clamp, first pipe
Folder is for clamping the heat exchanger tube.
It further include longitudinal positioning device in the furnace chamber as a kind of preferred embodiment of the invention, the longitudinal register dress
The second connecting rod including the first metal filter plate and the second metal filter plate is arranged in is set, second connecting rod is used
In connecting the second pipe clamp, second pipe clamp is for clamping the U-shaped superheater tube.
The present invention realizes following the utility model has the advantages that the present invention can effectively reduce superheater tubes burst problem, to extend heat exchanger tube
The cycle of operation.First metal filter plate and the second metal filter plate play choked flow and protective effect, on the one hand can be to avoid generation
On the other hand local smoke corridor can prevent flue pendant object from causing the damage of heat exchanger tube and U-shaped superheater tube.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and consistent with the instructions for explaining the principles of this disclosure.Fig. 1 is provided by the invention a kind of for industrial burning boiler
Superheater structural schematic diagram；
Fig. 2 is horizontal positioning device structural schematic diagram provided by the invention；
Fig. 3 is longitudinal positioning device structural schematic diagram provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
As shown in Figure 1, a kind of superheater for industrial burning boiler, including several heat exchange being arranged in furnace chamber 1
Pipe, the heat exchanger tube include the first heat exchanger tube 3 and the second heat exchanger tube 4, and the heat exchanger tube is vertically arranged in the furnace chamber 1
It is interior, and it is spaced between any two equal, it further include import header 5, outlet header 6 and U-shaped superheater tube 7 in the furnace chamber 1, it is described
Import header 5 for connecting first heat exchanger tube 3 and the U-shaped superheater tube 7, the outlet header 6 for connect with it is described
Second heat exchanger tube 4 and the U-shaped superheater tube 7, further include the first metal filter plate 8 and the second metal filter plate 9 in the furnace chamber 1,
The first metal filter plate 8 and the second metal filter plate 9 are horizontally disposed, and both ends are connect with furnace wall 10, first metal
Filter plate 8 is located above the heat exchanger tube, and the second metal filter plate 9 is located at below the heat exchanger tube.
The heat exchanger tube is identical as the material of the U-shaped superheater tube 7 and diameter is equal.
The first metal filter plate 8 and the second metal filter plate 9 are provided with several circular through holes, described round logical
Hole area at least covers filter plate 70%.
Specifically, the present invention is used for the superheater of industrial burning boiler, including several unit pipes groups, each unit pipes
Group includes 4, U-shaped superheater tubes 7 of 5, first heat exchanger tubes 3 of an import header or second heat exchanger tube, wherein institute
It is identical as 4 specification of the second heat exchanger tube to state the first heat exchanger tube 3, the heat exchanger tube is identical as U-shaped 7 material of superheater tube, and
Diameter is equal, and the unit pipes group once arranges, the outlet header 6 of previous element Guan Zuzhong and next unit pipes group into
Mouth header 5 is connected to by the U-shaped superheater tube 7.The steam of overheat exchanges heat by the import header 5, then by described first
Pipe 3 and the U-shaped superheater tube 7 enter the outlet header 6, and the heat exchanger tube and the U-shaped superheater tube 7 are placed in flue
In, the superheated steam reheated in it after flue gas, superheated steam passes through duplicate heating and mixing for several times, heats every time
It is to increase with temperature after mixing, until being discharged by the last one outlet header 6.
Superheater tube is U-shaped in the present invention, and tube side is shorter, is conducive to manufacture, pipe inner section is uniform, so that flow path resistance
It is small, it is mixed quickly in its outlet header 6 passing through temperature deviation caused by after a bit of heat absorption, steam temperature after mixing
Degree is whole balanced, and thermal deviation caused by uneven heating is corrected in unit pipes group, and each unit Guan Zuzhong steam stream can be improved
The uniformity of amount and flow velocity, prevents heat exchanger tube temperature excessively high and causes booster, conducive to the longtime running of boiler.
First metal filter plate 8 and 9 surface of the second metal filter plate are equipped with several circular through holes, and the circular through hole area is extremely
Filter plate 70% is covered less, plays choked flow and protective effect, on the one hand can be to avoid local smoke corridor be generated, it on the other hand can be with
Prevent flue pendant object from causing the damage of the heat exchanger tube and the U-shaped superheater tube 7.
Embodiment two is as shown in Fig. 2, further include horizontal positioning device 12 in the furnace chamber 1, the horizontal positioning device 12
Including the first connecting rod 13 being arranged on the furnace wall 10, the first connecting rod 13 is described for connecting the first pipe clamp 14
First pipe clamp 14 is for clamping the heat exchanger tube.
Specifically, in order to keep the transverse pitch of the heat exchanger tube and restrain the smooth of plane, on the heat exchanger tube
The first pipe clamp 14 has been installed, first pipe clamp 14 is connect with the first connecting rod 13 on the horizontal positioning device 12,
The top and lower part of the heat exchanger tube are clamped by first pipe clamp 14, in order to ensure first pipe clamp 14 has at high temperature
Enough intensity, material selection Cr18Ni9Ti.
Embodiment three
As shown in figure 3, further including longitudinal positioning device 15 in the furnace chamber 1, the longitudinal positioning device 15 includes setting
In the second connecting rod 16 of the first metal filter plate 8 and the second metal filter plate 9, second connecting rod 16 is for connecting
The second pipe clamp 17 is connect, second pipe clamp 17 is for clamping the U-shaped superheater tube 7.
Specifically, the lateral displacement of the superheater tube is limited in addition to adding horizontal positioning device 12, it is longitudinal fixed also to need to add
Position device 15, can reduce the superheater tube by the radiation of high-temperature flue gas, and the longitudinal positioning device 15 and first gold medal
Belong to filter plate 8 and the second metal filter plate 9 welding, good heat conduction effect is relatively fixed.
The above embodiments merely illustrate the technical concept and features of the present invention, and the purpose is to allow the skill for being familiar with the technical field
Art personnel can understand the content of the present invention and implement it accordingly, and can not be limited the scope of the invention with this.All bases
Equivalent changes or modifications made by spirit of the invention, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of superheater for industrial burning boiler, which is characterized in that including several heat exchange being arranged in furnace chamber (1)
Pipe, the heat exchanger tube include that the first heat exchanger tube (3) and the second heat exchanger tube (4), the heat exchanger tube are vertically arranged in the furnace
It in chamber (1), and is spaced between any two equal, further includes import header (5), outlet header (6) and U-shaped in the furnace chamber (1)
Superheater tube (7), the import header (5) for connecting first heat exchanger tube (3) and the U-shaped superheater tube (7), it is described out
Mouthful header (6) for connect with second heat exchanger tube (4) and the U-shaped superheater tube (7), further include the in the furnace chamber (1)
One metal filter plate (8) and the second metal filter plate (9), the first metal filter plate (8) and the second metal filter plate (9) water
Flat setting, both ends are connect with furnace wall (10), and the first metal filter plate (8) is located above the heat exchanger tube, second metal
Filter plate (9) is located at below the heat exchanger tube, and the first metal filter plate (8) and the second metal filter plate (9) are provided with
Several circular through holes, the circular through hole area at least cover filter plate 70%.
2. a kind of superheater for industrial burning boiler according to claim 1, it is characterised in that: the heat exchanger tube with
The material of the U-shaped superheater tube (7) is identical and diameter is equal.
3. a kind of superheater for industrial burning boiler according to claim 1, it is characterised in that: the furnace chamber (1)
It inside further include horizontal positioning device (12), the horizontal positioning device (12) includes that first be arranged on the furnace wall (10) connects
Extension bar (13), for the first connecting rod (13) for connecting the first pipe clamp (14), first pipe clamp (14) is described for clamping
Heat exchanger tube.
4. a kind of superheater for industrial burning boiler according to claim 1, it is characterised in that: the furnace chamber (1)
Inside further include longitudinal positioning device (15), the longitudinal positioning device (15) include setting the first metal filter plate (8) with
And the second connecting rod (16) of the second metal filter plate (9), second connecting rod (16) are used to connect the second pipe clamp (17),
Second pipe clamp (17) is for clamping the U-shaped superheater tube (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578705.5A CN107255283B (en) | 2017-07-17 | 2017-07-17 | A kind of superheater for industrial burning boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710578705.5A CN107255283B (en) | 2017-07-17 | 2017-07-17 | A kind of superheater for industrial burning boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107255283A CN107255283A (en) | 2017-10-17 |
| CN107255283B true CN107255283B (en) | 2019-04-30 |
Family
ID=60025116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710578705.5A Active CN107255283B (en) | 2017-07-17 | 2017-07-17 | A kind of superheater for industrial burning boiler |
Country Status (1)
| Country | Link |
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| CN (1) | CN107255283B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU909557A1 (en) * | 1980-03-19 | 1982-02-28 | Всесоюзный Дважды Ордена Трудового Красного Знамени Теплотехнический Научно-Исследовательский Институт Им.Ф.Э.Дзержинского | Heat exchange surface |
| CN201628245U (en) * | 2010-03-29 | 2010-11-10 | 中江能源回收(上海)有限公司 | Steam air heater |
| CN102322753B (en) * | 2011-10-08 | 2012-11-21 | 南京华电节能环保设备有限公司 | Solid particle heat exchanger |
| CN102679772B (en) * | 2012-06-15 | 2014-03-26 | 张家港市江南锅炉压力容器有限公司 | Tube plate type heat exchanger |
| CN204665241U (en) * | 2015-06-04 | 2015-09-23 | 哈尔滨哈锅锅炉工程技术有限公司 | A kind of fixture of boiler tail convection heating surface |
| CN105737136B (en) * | 2016-04-26 | 2018-08-14 | 浙江伟明环保股份有限公司 | A kind of U-tube superheater |
-
2017
- 2017-07-17 CN CN201710578705.5A patent/CN107255283B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107255283A (en) | 2017-10-17 |
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Effective date of registration: 20190326 Address after: 230000 B-1512, west of Ganquan Road, Shushan District, Hefei, Anhui. Applicant after: Anhui Eagle Dragon Industrial Design Co., Ltd. Address before: 215400 Room 04, 13A Shop, 376 Zhengzhong Road, Chengxiang Town, Taicang City, Suzhou City, Jiangsu Province Applicant before: TAICANG QINFENG ADVERTISEMENT AND MEDIA CO., LTD. |
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Effective date of registration: 20190404 Address after: 264000 Yantai Economic and Technological Development Zone, Shandong Province, No. 33, Block A, No. 607, Changjiang Road Applicant after: Yantai Guoxin Environmental Protection Technology Co., Ltd. Address before: 230000 B-1512, west of Ganquan Road, Shushan District, Hefei, Anhui. Applicant before: Anhui Eagle Dragon Industrial Design Co., Ltd. |
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