CN208186327U - A kind of boiler with smoke folded angle separator - Google Patents
A kind of boiler with smoke folded angle separator Download PDFInfo
- Publication number
- CN208186327U CN208186327U CN201721795037.3U CN201721795037U CN208186327U CN 208186327 U CN208186327 U CN 208186327U CN 201721795037 U CN201721795037 U CN 201721795037U CN 208186327 U CN208186327 U CN 208186327U
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- China
- Prior art keywords
- pipeline section
- circular arc
- folded angle
- separator
- smoke
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- 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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- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The utility model discloses a kind of boilers with smoke folded angle separator, it is related to boiler smoke separation equipment field, it is bulky for solving existing smoke separator, installation is inconvenient, the bad problem of separating effect, it includes inlet channel, exhaust gases passes and gas outlet, the gas outlet includes floss hole and return port, the exhaust gases passes include sequentially connected gradient pipe segment, circular arc pipeline section and straight flange pipeline section, gradient pipe segment, circular arc pipeline section connects to form a centrifugation cavity with straight flange pipeline section, gradient pipe segment and inlet channel are tightly connected, floss hole is set to straight flange pipeline section close to the side of centrifugation cavity, return port is set to the one end of straight flange pipeline section far from circular arc pipeline section, floss hole is equipped with baffle close to return port side, baffle is connect far from floss hole one end with gradient pipe segment, the corresponding central angle of circular arc pipeline section is 220-230 °.The utility model facilitates circulating fluidized bed boiler to be transformed installation, flue gas good separating effect by the way that distinctive bending angle and bending shape is arranged.
Description
Technical field
The utility model relates to boiler smoke separation equipment fields, have smoke folded angle separator more particularly to one kind
Boiler.
Background technique
Circulating fluidized bed boiler is the solid fuel heat energy utilization equipment of high-efficiency cleaning developed in recent years, and fuel is suitable
Ying Xingguang, the fuel such as burning fat coal, colm, solid waste, biomass, circulating fluidized bed boiler are industrialization degrees
Highest clean coal combustion technology, the maximum difference with bubbling fluidized bed combustion technology are operating air velocity height, enhance burning and
The heterogeneous reactions process such as desulfurization, boiler capacity can be expanded to power industry acceptable large capacity (600MW or with first-class
Grade), currently, the circulating fluidized bed boiler underlying issues such as very good solution calorifics, mechanics, materialogy and expansion, abrasion,
The engineering problems such as overtemperature become fire retardant solid fuel (such as gangue, oil shale, municipal refuse, mud and other wastes) energy
The advanced technology that source utilizes.
Existing circulating fluidized bed boiler it include burner hearth, smoke separator, evaporation heating section, economizer, air preheat
Device and (or) superheater, wherein smoke separator is an important component in circulating fluidized bed boiler, the hot-air in burner hearth
Gas solid separation is realized after smoke separator, separator gets off the dust separation in flue gas, enters furnace by revert system
Thorax, the flue gas after separation enter back-end ductwork.The stable operation of separator directly influences the stable operation of boiler, separator
Isolated quality not only influences the efficiency of boiler, but also influences the load of boiler.
Traditional circulating fluidized bed boiler is equipped with cyclone separator as smoke separator mostly, good separating effect,
But cyclone separator is vertical structure, bulky, installation is inconvenient, is not easy to the alteration of circulating fluidized bed boiler.
Utility model content
The purpose of this utility model is that: a kind of simple structure is provided, good separating effect, easy for installation there is smoke folded angle
The boiler of separator.
The utility model specifically uses following technical scheme to achieve the goals above:
A kind of boiler with smoke folded angle separator, including furnace body, burner hearth, smoke folded angle and economizer, further include smoke folded angle
Separator, the smoke folded angle separator are set to economizer top.
The smoke folded angle separator includes inlet channel, exhaust gases passes and gas outlet, the gas outlet include floss hole and
Return port, the exhaust gases passes include sequentially connected gradient pipe segment, circular arc pipeline section and straight flange pipeline section, the gradient pipe segment, circle
Arc pipeline section connects to form a centrifugation cavity with straight flange pipeline section, and the gradient pipe segment and inlet channel are tightly connected, the flue
Mouth is set to straight flange pipeline section close to the side of centrifugation cavity, and the return port is set to the one end of straight flange pipeline section far from circular arc pipeline section, institute
It states floss hole and is equipped with baffle close to return port side, the baffle is connect far from floss hole one end with gradient pipe segment, the circular arc
The corresponding central angle of pipeline section is 220-230 °.High-temperature flue gas enters gradient pipe segment since pressure is acted on from inlet channel, in gradual change
Circular arc pipeline section is reached after pipeline section is accelerated, in circular arc pipeline section since centrifugal force acts on, flue gas is separated in straight flange pipeline section, in flue gas
Exhaust gas enter floss hole at the top of straight flange pipeline section, the dust in flue gas, which is dumped into anti-material mouth, to be sent into burner hearth and flashes back, and realizes separation.
Inlet channel, exhaust gases passes and gas outlet form bending simultaneously, and structure is simple, is easily installed at boiler smoke folded angle, convenient for following
The transformation of circulation fluidized bed boiler.
Further, the corresponding central angle of the circular arc pipeline section is 225 °.It is calculated by experiment and data and works as circular arc
When the corresponding central angle of pipeline section is 225 °, flue gas is big in exhaust gases passes internal resistance, good separating effect.
Further, the exhaust gases passes cross section is rectangular.This is done to convenient for manufacture and installation, save at
This.
Further, the smoke folded angle separator material is heat-resisting steels or heat-resisting cast iron.This is done to guarantee point
From device in 800 ° or more of hot environment trouble free service.
Further, exhaust pipe is equipped in the centrifugation cavity.This is done to lead to the high-temp waste gas isolated
Boiler heating surface continues to heat boiler, realizes heat energy from waste gas recycling.
The beneficial effects of the utility model are as follows:
1. the utility model is simple, easy for installation by structure, work is transformed convenient for circulating fluidized bed boiler.
2. the utility model is by being arranged sequentially connected gradient pipe segment, circular arc pipeline section and straight flange pipeline section, it is special to constitute
Bending shape saves space, is conducive to installation.
3. the utility model is 220-230 ° by the corresponding central angle of setting circular arc pipeline section, flue gas is in exhaust gases passes internal resistance
Power is big, flue gas good separating effect.
4. the high-temp waste gas isolated can be led to boiler by the way that exhaust pipe is arranged in centrifugation cavity by the utility model
Heating surface continues to heat boiler, realizes heat energy from waste gas recycling.
Detailed description of the invention
Fig. 1 is a kind of boiler structure schematic diagram with smoke folded angle separator；
Fig. 2 is a kind of smoke folded angle separator schematic view of the mounting position；
Appended drawing reference: 1- inlet channel, 21- gradient pipe segment, 22- circular arc pipeline section, 23- straight flange pipeline section, 3- are centrifuged cavity, 4-
Floss hole, 5- return port, 6- burner hearth, 7- smoke folded angle, 8- furnace body, 9- economizer.
Specific embodiment
In order to which those skilled in the art better understand the utility model, with reference to the accompanying drawing with following embodiment to this
Utility model is described in further detail.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment provides a kind of boiler with smoke folded angle separator, including furnace body, burner hearth,
Smoke folded angle and economizer further include smoke folded angle separator, and the smoke folded angle separator is set to economizer top.In the present embodiment
Smoke folded angle separator volume is smaller, compact-sized, and flue gas good separating effect is easily installed at boiler smoke folded angle, is convenient for
The alteration of circulating fluidized bed boiler.
Embodiment 2
As depicted in figs. 1 and 2, the present embodiment is further improved on the basis of embodiment 1, the specially described folding cigarette
Corner separator includes inlet channel 1, exhaust gases passes and gas outlet, and the gas outlet includes floss hole 4 and return port 5, the cigarette
Gas channel includes sequentially connected gradient pipe segment 21, circular arc pipeline section 22 and straight flange pipeline section 23, the gradient pipe segment 21, circular arc pipeline section
22 and the connection of straight flange pipeline section 23 form a centrifugation cavity 3, the gradient pipe segment 21 connect with inlet channel 1, the floss hole
4 are set to straight flange pipeline section 23 close to the side of centrifugation cavity 3, and the return port 5 is set to straight flange pipeline section 23 far from circular arc pipeline section 22
One end, the floss hole 4 are equipped with baffle close to 5 side of return port, and the baffle connects far from 4 one end of floss hole and gradient pipe segment 21
It connects, the corresponding central angle of the circular arc pipeline section 22 is 225 °.High-temperature flue gas enters gradient tube since pressure is acted on from inlet channel 1
Section 21, since the big rear end in 21 front end of gradient pipe segment is small, flue gas is accelerated to 23-26m/s in gradient pipe segment 21, then arrives at circular arc
Pipeline section 22 acts on, flue gas is divided in straight flange pipeline section 23 since composition quality each in flue gas is different in 22 centrifugal force of circular arc pipeline section
From the exhaust gas in flue gas enters floss hole 4 at the top of straight flange pipeline section 23, and the dust in flue gas is dumped into anti-material mouth and is sent into burner hearth time
It burns, realizes separation.Inlet channel 1, exhaust gases passes and gas outlet form bending simultaneously, and structure is simple, are easily installed and roll in boiler
At cigarette angle, it is convenient for the alteration of circulating fluidized bed boiler.
Embodiment 3
As depicted in figs. 1 and 2, the present embodiment is further improved on the basis of embodiment 2, the specially described flue gas
Channel cross-section is rectangular.It is the save the cost for the ease of manufacturing and installing as square tube by exhaust gases passes.
Embodiment 4
As depicted in figs. 1 and 2, the present embodiment is further improved on the basis of embodiment 1,2 and 3, specially institute
Stating smoke folded angle separator material is heat-resisting steels or heat-resisting cast iron.Since separator is the work in 800 ° or more of hot environment
Make, separator material is needed to can be resistant to fiery high temperature resistant, is suitble to the working environment of separator complexity.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by all specifications and accompanying drawing content with the utility model
Structure change similarly should be included in the protection scope of the utility model.
Claims (5)
1. a kind of boiler with smoke folded angle separator, including furnace body (8), burner hearth (6), smoke folded angle (7) and economizer (9),
It is characterized in that: further including smoke folded angle separator, the smoke folded angle separator is set to economizer (9) top, the smoke folded angle separation
Device includes inlet channel (1), exhaust gases passes and gas outlet, and the gas outlet includes floss hole (4) and return port (5), the cigarette
Gas channel includes sequentially connected gradient pipe segment (21), circular arc pipeline section (22) and straight flange pipeline section (23), the gradient pipe segment (21),
Circular arc pipeline section (22) and straight flange pipeline section (23) connection form a centrifugation cavity (3), the gradient pipe segment (21) and inlet channel
(1) it is tightly connected, the floss hole (4) is set to straight flange pipeline section (23) close to the side of centrifugation cavity (3), the return port (5)
One end set on straight flange pipeline section (23) far from circular arc pipeline section (22), the floss hole (4) are equipped with baffle, institute close to return port side
It states baffle and is connect far from floss hole (4) one end with gradient pipe segment (21), the corresponding central angle of the circular arc pipeline section (22) is 220-
230°。
2. the boiler according to claim 1 with smoke folded angle separator, it is characterised in that: the circular arc pipeline section (22) is right
The central angle answered is 225 °.
3. the boiler according to claim 1 with smoke folded angle separator, it is characterised in that: the exhaust gases passes cross section
It is rectangular.
4. the boiler according to claim 1 with smoke folded angle separator, it is characterised in that: in the centrifugation cavity (3)
Equipped with exhaust pipe.
5. the boiler according to claim 1-4 with smoke folded angle separator, it is characterised in that: the smoke folded angle
Separator material is heat-resisting steels or heat-resisting cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721795037.3U CN208186327U (en) | 2017-12-20 | 2017-12-20 | A kind of boiler with smoke folded angle separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721795037.3U CN208186327U (en) | 2017-12-20 | 2017-12-20 | A kind of boiler with smoke folded angle separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208186327U true CN208186327U (en) | 2018-12-04 |
Family
ID=64441441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721795037.3U Expired - Fee Related CN208186327U (en) | 2017-12-20 | 2017-12-20 | A kind of boiler with smoke folded angle separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208186327U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940449A (en) * | 2017-12-20 | 2018-04-20 | 眉山市鸿宇纸业有限公司 | A kind of boiler smoke folded angle separator |
| CN114294647A (en) * | 2021-12-21 | 2022-04-08 | 湖州南太湖电力科技有限公司 | Boiler combustion system with material returning function |
-
2017
- 2017-12-20 CN CN201721795037.3U patent/CN208186327U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940449A (en) * | 2017-12-20 | 2018-04-20 | 眉山市鸿宇纸业有限公司 | A kind of boiler smoke folded angle separator |
| CN114294647A (en) * | 2021-12-21 | 2022-04-08 | 湖州南太湖电力科技有限公司 | Boiler combustion system with material returning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20201220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |