CN106979516A - A kind of U-shaped composite separator suitable for CFBC - Google Patents
A kind of U-shaped composite separator suitable for CFBC Download PDFInfo
- Publication number
- CN106979516A CN106979516A CN201710390949.0A CN201710390949A CN106979516A CN 106979516 A CN106979516 A CN 106979516A CN 201710390949 A CN201710390949 A CN 201710390949A CN 106979516 A CN106979516 A CN 106979516A
- Authority
- CN
- China
- Prior art keywords
- separation
- separator
- section
- gravity
- cfbc
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 57
- 230000005484 gravity Effects 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003546 flue gas Substances 0.000 claims abstract description 13
- 230000003116 impacting effect Effects 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 10
- 230000001133 acceleration Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 238000005204 segregation Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000011144 upstream manufacturing Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 10
- 239000004071 soot Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000005514 two-phase flow Effects 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
- F23C10/18—Details; Accessories
-
- 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
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
Abstract
The invention discloses a kind of U-shaped composite separator suitable for CFBC, including separator body, separator body includes accelerating steady flow segment successively, cyclonic separation+gravity settling separation section, stall Gravity Separation settling section and impacting type groove profile segregator, steady flow segment is accelerated to be gradually reduced for epimere, the constant structure in hypomere section, cyclonic separation+gravity settling separation section is 90 degree of ring cavity structures, stall Gravity Separation settling section is arranged at separator returning charge circulation port, impacting type groove profile segregator includes many heating surface pipes, many heating surface pipes are obliquely installed down to the right, its surface is provided with the hook-type fin of fluted body structure towards flue gas upstream end；The present invention, which is realized from single gravity settling separation, is changed into cyclonic separation+gravity settling separation+impacting type separation, the separative efficiency of the relatively existing separator of separator is more than 2 times, and the efficiency of combustion of fluid bed is improved, so as to improve boiler thermal output and fuel availability.
Description
Technical field
The invention belongs to CFBC equipment technical field, and in particular to one kind is applied to CFBC
U-shaped composite separator.
Background technology
It is too short because of factory building during with Combustion technology of circulating fluidized transformation boiler, or new design boiler is using ciculation fluidized
During bed burning more coal such as the coal slime, anthracite of fine powder, three return structures are used in order to increase burning flow and time.
Second and the 3rd the excessive place of backhaul naturally form U-shaped sedimentation separation, this sedimentation separation belongs to gravity in channel-type stove and sunk
Drop separation, low separation efficiency, so as to influence the efficiency of combustion and boiler thermal output of fluid bed relatively low.
The content of the invention
The technical problem to be solved in the present invention is：A kind of U-shaped combined type suitable for CFBC is provided to separate
Device, it is possible to increase separator, sends the more uncombusted soot particles captured back to backhaul burning indoor circulation burning,
The efficiency of combustion of fluid bed can be improved, so that boiler thermal output and fuel availability are improved, to solve to deposit in the prior art
The problem of.
The technical scheme that the present invention takes is：A kind of U-shaped composite separator suitable for CFBC, including
Separator body, separator body includes accelerating steady flow segment, cyclonic separation+gravity settling separation section, the sedimentation of stall Gravity Separation
Section and impacting type groove profile segregator, accelerate steady flow segment be arranged in separator import, be epimere be gradually reduced, hypomere section it is constant
Structure, cyclonic separation+gravity settling separation section is arranged under acceleration steady flow segment until separator bottom, is 90 degree of annular chamber knots
Structure, stall Gravity Separation settling section is arranged at separator returning charge circulation port, and impacting type groove profile segregator is arranged on separator
Groove profile segregation section, its structure includes many heating surface pipes, and many heating surface pipes are obliquely installed down to the right, and its surface is provided with
Hook-type fin, hook-type fin formation fluted body structure, towards separator flue gas upstream end.
It is preferred that, above-mentioned acceleration steady flow segment lays wear-resisting wall with refractory lining, refracto by membrane wall and membrane type wall surface and constituted.
It is preferred that, above-mentioned cyclonic separation+gravity settling separation section lays wear-resisting wall with refractory lining, refracto by membrane wall and membrane type wall surface
Composition.
It is preferred that, above-mentioned stall Gravity Separation settling section lays wear-resisting wall with refractory lining, refracto by membrane wall and membrane type wall surface and constituted.
It is preferred that, above-mentioned hook-type fin is symmetrical right-angle bending hook-shape structure, and its hook portion is towards inner side.
It is preferred that, above-mentioned many heating surface pipes front and rear row arranged crosswise, the concave part of hook-type fin is in gas approach side
Intersect upwards overlapping.
It is preferred that, above-mentioned heating surface pipe is provided with horn mouth, loudspeaker taste hook-type fin towards gas approach direction side
In the concave part of piece.
Beneficial effects of the present invention：Compared with prior art, effect of the present invention is as follows：
（1）The present invention by being improved to existing straight separator channel design, add the acceleration steady flow segment of closed-entry with
And arrangement impingement separator, realize from single gravity settling separation and be changed into cyclonic separation+gravity settling separation+impacting type point
From the separative efficiency of the relatively existing separator of separator after improvement, will be by accelerating steady flow segment more than 2 times
And more uncombusted soot particles that arrangement impingement separator is captured send backhaul burning indoor circulation burning back to, can improve
The efficiency of combustion of fluid bed, so as to improve boiler thermal output and fuel availability；
（2）Impacting type groove profile segregator is provided with heating surface pipe, because there is heating surface pipe support, and bosher is passed through in pipe
Matter, can make the hook-type fin on heating surface pipe keep certain permissive temperature because of the cooling effect of cooling working medium, will not bend
Deformation, the present invention also have it is simple in construction, the characteristics of do not increase cost and basic freedom from repairs；
（3）The epimere of steady flow segment is accelerated to be gradually reduced, flue gas and circulation bed speed are gradually stepped up, and hypomere sectional dimension is constant,
Play flue gas and circulation bed current balance function；
（4）Circulation bed reaches cigarette because the rotational gravity and self gravitation of cyclonic separation+gravity settling separation section are got rid of to outer wall
The separation of gas and circulation bed；
（5）The annular chamber outlet of stall Gravity Separation settling section becomes large-sized suddenly, and velocity of flue gas declines suddenly, because by descending
Switching to up centrifugal action, speed change causes its after the disappearance of particle kinetic energy and flue gas stall to carry power decline, reaches flue gas
With the separation of circulation bed；
（6）The heating surface pipe of impacting type groove profile segregator and its groove profile hook-type fin on surface, hit when Dual-Phrase Distribution of Gas olid is flowed through
When hitting formula groove profile segregator, two phase flow hits heating surface pipe and its hook-type fin and in the flowing direction repeatedly by intersecting cloth
Flow out, because the inertia of particle is much larger than the inertia of air-flow, turned to through the gentle stream of multiple impact after the heating surface pipe turnover put
Most of particle will be disengaged from primary air and be separated along tube bank afterwards, slip into ash bucket.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the U-shaped cyclone separator arrangement schematic diagram of existing circulating fluid-bed;
Fig. 3 is the A-A cross-sectional views in Fig. 1.
In figure, 1- accelerates steady flow segment, and 2- cyclonic separations+gravity settling separation section, 3- stall Gravity Separation settling sections, 4- is hit
Hit formula groove profile segregator, 5- separator returning charge circulation ports, 6- groove profile segregation sections, 7- heating surface pipes, 8- hook-type fins, 9- loudspeaker
Mouthful.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described further specific embodiment.
Embodiment 1：As shown in Figure 1-Figure 3, a kind of U-shaped composite separator suitable for CFBC, it is U-shaped multiple
Close separator to be all made up of membrane wall and pipe heated face structure, wear-resisting wall with refractory lining, refracto, including U are laid in heating surface surface windward
The separator body of type, separator body includes accelerating steady flow segment 1, cyclonic separation+gravity settling separation section 2, stall gravity point
From settling section 3 and impacting type groove profile segregator 4, accelerate steady flow segment 1 to be arranged in separator import, be epimere be gradually reduced, hypomere
The constant structure in section, cyclonic separation+gravity settling separation section 2 is arranged under acceleration steady flow segment 1 until separator bottom, is 90
Ring cavity structure is spent, stall Gravity Separation settling section 3 is arranged at separator returning charge circulation port 5, and impacting type groove profile segregator 4 is set
The groove profile segregation section 6 in separator is put, its structure includes many heating surface pipes 7, and many heating surface pipes 7 descend to the right inclination to set
Put, its surface is provided with hook-type fin 8, the formation fluted body structure of hook-type fin 8, towards separator flue gas upstream end, groove profile point
Stall Gravity Separation settling section 3, which is arranged on, from section 6 enters the backhaul transition position of separator three.
It is preferred that, above-mentioned acceleration steady flow segment 1 lays wear-resisting wall with refractory lining, refracto by membrane wall and membrane type wall surface and constituted.
It is preferred that, above-mentioned cyclonic separation+gravity settling separation section 2 lays wear-resisting wall with refractory lining, refracto by membrane wall and membrane type wall surface
Composition.
It is preferred that, above-mentioned stall Gravity Separation settling section lays wear-resisting wall with refractory lining, refracto by membrane wall and membrane type wall surface and constituted.
It is preferred that, above-mentioned hook-type fin 8 is symmetrical right-angle bending hook-shape structure, and its hook portion rises towards inner side, its hook portion
Stop that soot particle flies out to secondary bending.
It is preferred that, above-mentioned many heating surface pipes 7 are set to multiple rows of structure, front and rear row arranged crosswise, hook-type fin 8 it is recessed
Groove portion intersects overlapping on gas approach direction, often arranges heating surface pipe 7 the inner and is connected to communicating pipe, inside, which is flowed into, cold
But working medium.
It is preferred that, above-mentioned heating surface pipe 7 is provided with horn mouth 9, loudspeaker taste hook-type towards gas approach direction side
In the concave part of fin 8, horn mouth 9, which can be played, avoids soot particle from hitting heating surface pipe, plays the work of protection heating surface pipe
With.
Operation principle：Flue gas carries circulation bed（Dual-Phrase Distribution of Gas olid）Steady flow segment 1 is accelerated by separator import, accelerated to
Design current velocity is simultaneously uniformly flowed to and speed in steady flow segment；Into cyclonic separation+gravity settling separation section 2, a circulation bed part
By because whirlwind and Gravity Separation；Outlet becomes large-sized suddenly, and velocity of flue gas enters stall Gravity Separation settling section after declining 50%
3, because causing its after the disappearance of particle kinetic energy and flue gas stall to carry under power by the descending up centrifugal action, speed change of switching to
Drop, continues the separation of flue gas and circulation bed；Dual-Phrase Distribution of Gas olid after stall, which enters after impacting type groove profile segregator 4, flows out, nothing
The separated very fine grained of method continues the after-flame in three backhaul uphill process；Because the inertia of particle is much larger than the inertia of air-flow,
Primary air is will be disengaged from through the gentle most of particle backward that circulates of multiple impact to separate along tube bank, is slipped into ash bucket, Suo Youshou
The circulation bed of collection sends backhaul burning indoor circulation burning back to through Loop Seal, reaches the efficiency of combustion for improving fluid bed, from
And improve the purpose of boiler thermal output fuel availability.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (7)
1. a kind of U-shaped composite separator suitable for CFBC, it is characterised in that：Including separator body, point
Include accelerating steady flow segment from device body（1）, cyclonic separation+gravity settling separation section（2）, stall Gravity Separation settling section（3）With
Impacting type groove profile segregator（4）, accelerate steady flow segment（1）Be arranged in separator import, be epimere be gradually reduced, hypomere section it is constant
Structure, cyclonic separation+gravity settling separation section（2）It is arranged in acceleration steady flow segment（1）Under until separator bottom, be 90 degree of rings
Shape cavity configuration, stall Gravity Separation settling section（3）It is arranged in separator returning charge circulation port（5）Place, impacting type groove profile segregator（4）
It is arranged on the groove profile segregation section of separator（6）, its structure includes many heating surface pipes（7）, many heating surface pipes（7）To the right
Under be obliquely installed, its surface is provided with hook-type fin（8）, hook-type fin（8）Fluted body structure is formed, is entered towards separator flue gas
Enter end.
2. a kind of U-shaped composite separator suitable for CFBC according to claim 1, its feature exists
In：Accelerate steady flow segment（1）Wear-resisting wall with refractory lining, refracto is laid by membrane wall and membrane type wall surface to constitute.
3. a kind of U-shaped composite separator suitable for CFBC according to claim 1, its feature exists
In：Cyclonic separation+gravity settling separation section（2）Wear-resisting wall with refractory lining, refracto is laid by membrane wall and membrane type wall surface to constitute.
4. a kind of U-shaped composite separator suitable for CFBC according to claim 1, its feature exists
In：Stall Gravity Separation settling section lays wear-resisting wall with refractory lining, refracto by membrane wall and membrane type wall surface and constituted.
5. a kind of U-shaped composite separator suitable for CFBC according to claim 1, its feature exists
In：Hook-type fin（8）For symmetrical right-angle bending hook-shape structure, its hook portion is towards inner side.
6. a kind of U-shaped composite separator suitable for CFBC according to claim 1, its feature exists
In：Many heating surface pipes（7）Front and rear row arranged crosswise, hook-type fin（8）Concave part mutually handed on gas approach direction
Fork is overlapping.
7. a kind of U-shaped composite separator suitable for CFBC according to claim 1, its feature exists
In：Heating surface pipe（7）Gas approach direction side is provided with horn mouth（9）, loudspeaker taste hook-type fin（8）Groove
In portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710390949.0A CN106979516A (en) | 2017-05-27 | 2017-05-27 | A kind of U-shaped composite separator suitable for CFBC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710390949.0A CN106979516A (en) | 2017-05-27 | 2017-05-27 | A kind of U-shaped composite separator suitable for CFBC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979516A true CN106979516A (en) | 2017-07-25 |
Family
ID=59344062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710390949.0A Pending CN106979516A (en) | 2017-05-27 | 2017-05-27 | A kind of U-shaped composite separator suitable for CFBC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979516A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178627A (en) * | 2020-10-30 | 2021-01-05 | 北京热华能源科技有限公司 | Multi-flow circulating fluidized bed with labyrinth separator |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074311A (en) * | 1998-08-28 | 2000-03-14 | Ishikawajima Harima Heavy Ind Co Ltd | Circulation fluidized bed boiler |
| CA2306203A1 (en) * | 2000-04-19 | 2001-10-19 | Prabir Basu | Improvements in or relating to novel gas-solid separators for use in boilers or other gas-solid streams |
| US6454824B1 (en) * | 2001-05-25 | 2002-09-24 | The Babcock & Wilcox Company | CFB impact type particle collection elements attached to cooled supports |
| JP2003166708A (en) * | 2001-11-29 | 2003-06-13 | Kyushu Electric Power Co Inc | Fuel mixture, and recycling method of fly ash in fluidized bed boiler |
| CN1477329A (en) * | 2003-07-11 | 2004-02-25 | 清华紫光环保有限公司 | Fluidized bed boiler with multifunctional cyclone separator |
| CN102588959A (en) * | 2010-12-05 | 2012-07-18 | 王森 | Gas-solid separator of recirculating fluidized bed boiler and boiler comprising same |
| CN202613429U (en) * | 2012-03-20 | 2012-12-19 | 广东电网公司电力科学研究院 | Biomass circulating fluidized bed direct-burning device |
| CN103398375A (en) * | 2013-07-01 | 2013-11-20 | 中国华能集团清洁能源技术研究院有限公司 | Cyclone separator with wear-resistant target section and guiding device for circulating fluidized bed boiler |
| JP2015004466A (en) * | 2013-06-20 | 2015-01-08 | 株式会社タクマ | Circulating fluidized-bed boiler |
| CN206739280U (en) * | 2017-05-27 | 2017-12-12 | 贵州新能源开发投资股份有限公司 | A kind of U-shaped composite separator suitable for CFBC |
-
2017
- 2017-05-27 CN CN201710390949.0A patent/CN106979516A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000074311A (en) * | 1998-08-28 | 2000-03-14 | Ishikawajima Harima Heavy Ind Co Ltd | Circulation fluidized bed boiler |
| CA2306203A1 (en) * | 2000-04-19 | 2001-10-19 | Prabir Basu | Improvements in or relating to novel gas-solid separators for use in boilers or other gas-solid streams |
| US6454824B1 (en) * | 2001-05-25 | 2002-09-24 | The Babcock & Wilcox Company | CFB impact type particle collection elements attached to cooled supports |
| JP2003166708A (en) * | 2001-11-29 | 2003-06-13 | Kyushu Electric Power Co Inc | Fuel mixture, and recycling method of fly ash in fluidized bed boiler |
| CN1477329A (en) * | 2003-07-11 | 2004-02-25 | 清华紫光环保有限公司 | Fluidized bed boiler with multifunctional cyclone separator |
| CN102588959A (en) * | 2010-12-05 | 2012-07-18 | 王森 | Gas-solid separator of recirculating fluidized bed boiler and boiler comprising same |
| CN202613429U (en) * | 2012-03-20 | 2012-12-19 | 广东电网公司电力科学研究院 | Biomass circulating fluidized bed direct-burning device |
| JP2015004466A (en) * | 2013-06-20 | 2015-01-08 | 株式会社タクマ | Circulating fluidized-bed boiler |
| CN103398375A (en) * | 2013-07-01 | 2013-11-20 | 中国华能集团清洁能源技术研究院有限公司 | Cyclone separator with wear-resistant target section and guiding device for circulating fluidized bed boiler |
| CN206739280U (en) * | 2017-05-27 | 2017-12-12 | 贵州新能源开发投资股份有限公司 | A kind of U-shaped composite separator suitable for CFBC |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178627A (en) * | 2020-10-30 | 2021-01-05 | 北京热华能源科技有限公司 | Multi-flow circulating fluidized bed with labyrinth separator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105164469B (en) | Include the fluidized-bed combustion boiler of multifunctional inertia gravity separator | |
| CN102588959B (en) | Gas-solid separator of recirculating fluidized bed boiler and boiler comprising same | |
| CN201652336U (en) | Declination cyclone separator for 410t/h circulating fluidized bed boiler | |
| CN106433700A (en) | Coke dry quenching dust removal system and process capable of efficiently recovering heat energy | |
| JPH08503540A (en) | Method and apparatus for operating a circulating fluidized bed system | |
| CN107013906A (en) | A kind of CFB Slag waste-heat recovery device | |
| FI124762B (en) | Circulating fluidized bed boiler | |
| CN206739280U (en) | A kind of U-shaped composite separator suitable for CFBC | |
| CN106979516A (en) | A kind of U-shaped composite separator suitable for CFBC | |
| CN205014343U (en) | W flame boiler | |
| CN103953923B (en) | A kind of coal sorting feeder | |
| CN100434798C (en) | Internally circulating fluidized reburning device for fly ash based on high temperature separation | |
| CN206247319U (en) | A kind of eddy flow boiler combustion system for tertiary air separate | |
| CN109340743B (en) | Fine coal particle circulating fluidized bed boiler | |
| CN109827172A (en) | The cooling of circulating fluidized bed boiler high temperature bottom slag and waste heat recovery device | |
| CN203741268U (en) | Dry quenching equipment | |
| CN206244715U (en) | A kind of CDQ Emission Control System of energy high efficiente callback heat energy | |
| CN104235834B (en) | CFBB high-temperature separator | |
| CN209688818U (en) | The cooling of circulating fluidized bed boiler high temperature bottom slag and waste heat recovery device | |
| CN109458614B (en) | Reforming device for biomass combustion of circulating fluidized bed coal-fired boiler | |
| CN106287680A (en) | Small-sized biomass shaped fuel recirculating fluidized bed steam boiler | |
| CN203810397U (en) | Coal spreading device | |
| CN210097965U (en) | Volute type efficient separator | |
| CN207196473U (en) | CFB boiler with the effect of certain abrasionproof | |
| CN109084319B (en) | Flue gas recirculation system adopting two stages for heat exchange |
Legal Events
| 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 | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20240319 |
|
| AD01 | Patent right deemed abandoned |