CN107940449A - A kind of boiler smoke folded angle separator - Google Patents
A kind of boiler smoke folded angle separator Download PDFInfo
- Publication number
- CN107940449A CN107940449A CN201711386420.8A CN201711386420A CN107940449A CN 107940449 A CN107940449 A CN 107940449A CN 201711386420 A CN201711386420 A CN 201711386420A CN 107940449 A CN107940449 A CN 107940449A
- Authority
- CN
- China
- Prior art keywords
- pipeline section
- boiler smoke
- folded angle
- circular arc
- gradual change
- 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
- 239000000779 smoke Substances 0.000 title claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 21
- 241000628997 Flos Species 0.000 claims abstract description 17
- 238000005119 centrifugation Methods 0.000 claims abstract description 12
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 17
- 239000003546 flue gas Substances 0.000 abstract description 17
- 238000000926 separation method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 5
- 230000004075 alteration Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- -1 colm Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004449 solid propellant Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
- F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
- F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
- F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The invention discloses a kind of boiler 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 problem of separating effect is bad, it includes inlet channel, flue and gas outlet, the gas outlet includes floss hole and returning charge mouth, the exhaust gases passes include sequentially connected gradual change pipeline section, circular arc pipeline section and straight flange pipeline section, gradual change pipeline section, circular arc pipeline section connects to form a centrifugation cavity with straight flange pipeline section, gradual change pipeline section is tightly connected with inlet channel, floss hole is arranged on straight flange pipeline section close to the side of centrifugation cavity, returning charge mouth is arranged on the one end of straight flange pipeline section away from circular arc pipeline section, floss hole is equipped with baffle close to returning charge mouth side, baffle is connected away from floss hole one end with gradual change pipeline section, the corresponding central angle of circular arc pipeline section is 220 230 °.The present invention facilitates circulating fluidized bed boiler to carry out improvement and installation, flue gas good separating effect by setting distinctive bending angle and bending shape.
Description
Technical field
The present invention relates to boiler smoke separation equipment field, more particularly to a kind of boiler smoke folded angle separator.
Background technology
Circulating fluidized bed boiler is the solid fuel heat energy utilization equipment of high-efficiency cleaning developed in recent years, and fuel is fitted
The fuel such as Ying Xingguang, 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 is operating air velocity height, enhance burning and
The heterogeneous reaction process such as desulfurization, boiler capacity can be expanded to power industry acceptable large capacity (600MW or more etc.
Level), at present, circulating fluidized bed boiler solved well the underlying issues such as 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 discarded objects) 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 are an important components 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 stove 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
Separated quality, not only influences the efficiency of boiler, but also influences the load of boiler.
Traditional circulating fluidized bed boiler is provided with cyclone separator as smoke separator mostly, its good separating effect,
Bulky but cyclone separator is vertical structure, installation is inconvenient, is not easy to the alteration of circulating fluidized bed boiler.
The content of the invention
It is an object of the invention to：A kind of simple in structure, good separating effect, boiler smoke folded angle easy for installation separation are provided
Device.
The present invention specifically uses following technical scheme to achieve these goals：
A kind of boiler smoke folded angle separator, including furnace body, burner hearth, smoke folded angle and economizer, further include boiler smoke folded angle point
From device, the boiler smoke folded angle separator is arranged on economizer top.
A kind of boiler smoke folded angle separator, including inlet channel, flue and gas outlet, the gas outlet include flue
Mouth and returning charge mouth, the exhaust gases passes include sequentially connected gradual change pipeline section, circular arc pipeline section and straight flange pipeline section, the gradient tube
Section, circular arc pipeline section connect to form a centrifugation cavity with straight flange pipeline section, and the gradual change pipeline section is tightly connected with inlet channel, described
Floss hole is arranged on straight flange pipeline section close to the side of centrifugation cavity, and the returning charge mouth is arranged on one of straight flange pipeline section away from circular arc pipeline section
End, the floss hole are equipped with baffle close to returning charge mouth side, and the baffle is connected away from floss hole one end with gradual change pipeline section, described
The corresponding central angle of circular arc pipeline section is 220-230 °.High-temperature flue gas enters gradual change pipeline section since pressure is acted on from inlet channel,
Gradual change pipeline section reaches circular arc pipeline section after being accelerated, and in circular arc pipeline section since centrifugal force acts on, flue gas is separated in straight flange pipeline section, cigarette
Exhaust gas in gas enters floss hole at the top of straight flange pipeline section, and the dust in flue gas, which is dumped into anti-material mouth, to be sent into burner hearth and flash back, realization
Separation.Inlet channel, flue and gas outlet form bending at the same time, simple in structure, are easily installed at boiler smoke folded angle, just
In the alteration of circulating 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 flue internal resistance, good separating effect.
Further, the exhaust gases passes cross section is square.This is done to easy to manufacture and install, save into
This.
Further, the boiler smoke folded angle separator material is heat-resisting steels or heat-resisting cast iron.This is done to protect
Demonstrate,prove trouble free service in hot environment of the separator more than 800 °.
Further, it is equipped with exhaust pipe 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.
Beneficial effects of the present invention are as follows：
1. the present invention carries out retrofit work by simple in structure, easy for installation, easy to circulating fluidized bed boiler.
2. the present invention forms special bending by setting sequentially connected gradual change pipeline section, circular arc pipeline section and straight flange pipeline section
Shape, saves space, beneficial to installation.
3. the present invention is 220-230 ° by setting the corresponding central angle of circular arc pipeline section, flue gas is in flue internal resistance
Greatly, flue gas good separating effect.
4. the high-temp waste gas isolated can be led to boiler and be heated by the present invention by setting exhaust pipe in centrifugation cavity
Face, continues to heat boiler, realizes heat energy from waste gas recycling.
Brief description of the drawings
Fig. 1 is a kind of boiler smoke folded angle cyclone separator arrangement schematic diagram；
Fig. 2 is a kind of boiler smoke folded angle separator schematic view of the mounting position；
Reference numeral：1- inlet channels, 21- gradual changes pipeline section, 22- circular arcs pipeline section, 23- straight flanges pipeline section, 3- centrifugations cavity, 4-
Floss hole, 5- returning charge mouths, 6- burner hearths, 7- smoke folded angles, 8- furnace bodies, 9- economizers.
Embodiment
In order to which those skilled in the art are better understood from the present invention, below in conjunction with the accompanying drawings with following embodiments to the present invention
It is described in further detail.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment provides a kind of boiler smoke folded angle separator, including furnace body, burner hearth, smoke folded angle
And economizer, boiler smoke folded angle separator is further included, the boiler smoke folded angle separator is arranged on economizer top.In the present embodiment
Boiler smoke folded angle separator volume it is smaller, compact-sized, flue gas good separating effect, is easily installed at boiler smoke folded angle, just
In progress the alteration of circulating fluidized bed boiler.
Embodiment 2
As depicted in figs. 1 and 2, the present embodiment has done further improvement on the basis of embodiment 1, is specially the boiler
Smoke folded angle separator includes inlet channel 1, flue and gas outlet, and the gas outlet includes floss hole 4 and returning charge mouth 5, institute
Stating exhaust gases passes includes sequentially connected gradual change pipeline section 21, circular arc pipeline section 22 and straight flange pipeline section 23, the gradual change pipeline section 21, circular arc
Pipeline section 22 and the connection of straight flange pipeline section 23 form a centrifugation cavity 3, and the gradual change pipeline section 21 is connected with inlet channel 1, the cigarette
Road junction 4 is arranged on straight flange pipeline section 23 close to the side of centrifugation cavity 3, and the returning charge mouth 5 is arranged on straight flange pipeline section 23 away from circular arc pipeline section
22 one end, the floss hole 4 are equipped with baffle close to 5 side of returning charge mouth, and the baffle is away from 4 one end of floss hole and gradient tube
Section 21 connects, and the 22 corresponding central angle of circular arc pipeline section is 225 °.High-temperature flue gas due to pressure act on from inlet channel 1 into
Enter gradual change pipeline section 21, since the big rear end in 21 front end of gradual change pipeline section is small, flue gas is accelerated to 23-26m/s in gradual change pipeline section 21, connects
Arrival circular arc pipeline section 22, since each composition quality is different in flue gas, is acted in 22 centrifugal force of circular arc pipeline section, flue gas is in straight-sided tube
Section 23 is separated, and the exhaust gas in flue gas enters floss hole 4 from the top of straight flange pipeline section 23, and the dust in flue gas is dumped into anti-material mouth
It is sent into burner hearth to flash back, realizes separation.Inlet channel 1, flue and gas outlet form bending at the same time, simple in structure, easy to pacify
At boiler smoke folded angle, easy to the alteration of circulating fluidized bed boiler.
Embodiment 3
As depicted in figs. 1 and 2, the present embodiment has done further improvement on the basis of embodiment 2, is specially the flue gas
Channel cross-section is square.As square tube be by exhaust gases passes for the ease of manufacturing and installing, it is cost-effective.
Embodiment 4
As depicted in figs. 1 and 2, the present embodiment has done further improvement on the basis of embodiment 1,2 and 3, is specially institute
It is heat-resisting steels or heat-resisting cast iron to state boiler smoke folded angle separator material.It is in the hot environment more than 800 ° due to separator
Work is adapted to the working environment of separator complexity, it is necessary to separator material can be resistant to fiery high temperature resistant.
The above, is only presently preferred embodiments of the present invention, is not intended to limit the invention, patent protection model of the invention
Enclose and be subject to claims, the equivalent structure change that every specification and accompanying drawing content with the present invention is made, similarly
It should include within the scope of the present invention.
Claims (6)
1. a kind of boiler smoke folded angle separator, including furnace body (8), burner hearth (6), smoke folded angle (7) and economizer (9), its feature exist
In：Boiler smoke folded angle separator is further included, the boiler smoke folded angle separator is arranged on economizer (9) top.
2. boiler smoke folded angle separator according to claim 1, it is characterised in that：The boiler smoke folded angle separator includes
Inlet channel (1), flue and gas outlet, the gas outlet include floss hole (4) and returning charge mouth (5), the exhaust gases passes
Including sequentially connected gradual change pipeline section (21), circular arc pipeline section (22) and straight flange pipeline section (23), the gradual change pipeline section (21), arc tube
Section (22) and straight flange pipeline section (23) connection form a centrifugation cavity (3), and the gradual change pipeline section (21) seals with inlet channel (1)
Connection, the floss hole (4) are arranged on straight flange pipeline section (23) and are arranged on straight flange close to the side of centrifugation cavity (3), the returning charge mouth (5)
The one end of pipeline section (23) away from circular arc pipeline section (22), the floss hole (4) are equipped with baffle close to returning charge mouth side, and the baffle is remote
It is connected from floss hole (4) one end with gradual change pipeline section (21), the corresponding central angle of the circular arc pipeline section (22) is 220-230 °.
3. boiler smoke folded angle separator according to claim 2, it is characterised in that：The corresponding circle of the circular arc pipeline section (22)
Heart angle is 225 °.
4. boiler smoke folded angle separator according to claim 2, it is characterised in that：The exhaust gases passes cross section is side
Shape.
5. boiler smoke folded angle separator according to claim 2, it is characterised in that：The row of being equipped with the centrifugation cavity (3)
Tracheae.
6. according to claim 1-5 any one of them boiler smoke folded angle separators, it is characterised in that：The boiler smoke folded angle point
It is heat-resisting steels or heat-resisting cast iron from equipment matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386420.8A CN107940449A (en) | 2017-12-20 | 2017-12-20 | A kind of boiler smoke folded angle separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711386420.8A CN107940449A (en) | 2017-12-20 | 2017-12-20 | A kind of boiler smoke folded angle separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107940449A true CN107940449A (en) | 2018-04-20 |
Family
ID=61941427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711386420.8A Pending CN107940449A (en) | 2017-12-20 | 2017-12-20 | A kind of boiler smoke folded angle separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107940449A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360596A (en) * | 2019-06-11 | 2019-10-22 | 山东正信德环保科技发展有限公司 | Layer fires gradual combustion stove |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR717364A (en) * | 1931-05-01 | 1932-01-07 | Centrifugal dust collector | |
| WO1985004117A1 (en) * | 1984-03-20 | 1985-09-26 | Rauma-Repola Oy | Two- or multi-component reactor |
| CN87103148A (en) * | 1986-04-30 | 1987-11-11 | 燃烧工程有限公司 | Fluidized bed combustor with integral solids separator |
| US4732113A (en) * | 1987-03-09 | 1988-03-22 | A. Ahlstrom Corporation | Particle separator |
| CN2077332U (en) * | 1990-05-18 | 1991-05-22 | 郑世才 | Built-up cyclone separator |
| US5174799A (en) * | 1990-04-06 | 1992-12-29 | Foster Wheeler Energy Corporation | Horizontal cyclone separator for a fluidized bed reactor |
| CN2656816Y (en) * | 2003-09-24 | 2004-11-17 | 柳州佳旺锅炉制造有限责任公司 | Carbon rotary kiln residual-heat boiler for aluminium use |
| CN102062395A (en) * | 2010-12-05 | 2011-05-18 | 王森 | Gas and solid separator of recirculating fluidized bed boiler and boiler containing same |
| CN102980177A (en) * | 2012-11-29 | 2013-03-20 | 湘潭锅炉有限责任公司 | Biomass burning fluidized bed boiler |
| CN203797646U (en) * | 2014-03-28 | 2014-08-27 | 无锡华光锅炉股份有限公司 | Connecting flue structure for hearth and separators of circulating fluidized bed boiler |
| CN208186327U (en) * | 2017-12-20 | 2018-12-04 | 邹逸歆 | A kind of boiler with smoke folded angle separator |
-
2017
- 2017-12-20 CN CN201711386420.8A patent/CN107940449A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR717364A (en) * | 1931-05-01 | 1932-01-07 | Centrifugal dust collector | |
| WO1985004117A1 (en) * | 1984-03-20 | 1985-09-26 | Rauma-Repola Oy | Two- or multi-component reactor |
| CN87103148A (en) * | 1986-04-30 | 1987-11-11 | 燃烧工程有限公司 | Fluidized bed combustor with integral solids separator |
| US4732113A (en) * | 1987-03-09 | 1988-03-22 | A. Ahlstrom Corporation | Particle separator |
| US5174799A (en) * | 1990-04-06 | 1992-12-29 | Foster Wheeler Energy Corporation | Horizontal cyclone separator for a fluidized bed reactor |
| CN2077332U (en) * | 1990-05-18 | 1991-05-22 | 郑世才 | Built-up cyclone separator |
| CN2656816Y (en) * | 2003-09-24 | 2004-11-17 | 柳州佳旺锅炉制造有限责任公司 | Carbon rotary kiln residual-heat boiler for aluminium use |
| CN102062395A (en) * | 2010-12-05 | 2011-05-18 | 王森 | Gas and solid separator of recirculating fluidized bed boiler and boiler containing same |
| CN102980177A (en) * | 2012-11-29 | 2013-03-20 | 湘潭锅炉有限责任公司 | Biomass burning fluidized bed boiler |
| CN203797646U (en) * | 2014-03-28 | 2014-08-27 | 无锡华光锅炉股份有限公司 | Connecting flue structure for hearth and separators of circulating fluidized bed boiler |
| CN208186327U (en) * | 2017-12-20 | 2018-12-04 | 邹逸歆 | A kind of boiler with smoke folded angle separator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360596A (en) * | 2019-06-11 | 2019-10-22 | 山东正信德环保科技发展有限公司 | Layer fires gradual combustion stove |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180420 |