CN107917418A - Internal circulating fluidized-bed boiler - Google Patents
Internal circulating fluidized-bed boiler Download PDFInfo
- Publication number
- CN107917418A CN107917418A CN201610880145.4A CN201610880145A CN107917418A CN 107917418 A CN107917418 A CN 107917418A CN 201610880145 A CN201610880145 A CN 201610880145A CN 107917418 A CN107917418 A CN 107917418A
- Authority
- CN
- China
- Prior art keywords
- furnace body
- water
- burner hearth
- pipe
- cooling wall
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000446 fuel Substances 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000000779 smoke Substances 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000009827 uniform distribution Methods 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 239000002893 slag Substances 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000000038 chest Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000126 substance 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
-
- 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
- F23C10/22—Fuel feeders specially adapted for fluidised bed combustion apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The present invention relates to a kind of internal circulating fluidized-bed boiler, it mainly by：Furnace body, water jacket, horizontal water pipe, charging motor, spiral propeller, wind box, bed body, gas fuel burner connecting tube, water-cooling wall, longitudinal water pipe, refractory insulating layer, burner hearth etc. are formed.Water jacket is housed in the upper end of furnace body, horizontal water pipe is connected with water jacket, the lower end of furnace body is equipped with burner hearth, and one week of burner hearth is equipped with water-cooling wall, and longitudinal water pipe is connected with water-cooling wall, refractory insulating layer is scribbled between burner hearth and water-cooling wall, the lower end of furnace body is equipped with spiral propeller, and material feeding box, charging motor are connected with spiral propeller respectively, and the bottom of furnace body is equipped with wind box, and bed body is equipped with, wind box is connected with bed body.It uses internal circulating fluidized-bed boiler to the product, and fixed combustion is changed into air suspension burning, does not produce molten slag, ash content is few, energy conservation and environmental protection, is adapted to various unlike material fuel, saves fuel, and heat loss is few, and the thermal efficiency is high.
Description
Technical field：The present invention relates to a kind of internal circulating fluidized-bed boiler.
Background technology：At present, the existing boiler of in the market is mostly horizontal boiler or vertical boiler, the burning of this boiler
Mode belongs to fixed combustion, and fuel promotes burner hearth by screw feeder propeller plane, is attached on fire grate, and fuel burns on fire grate,
Cannot cmpletely it be merged with air, stove fire high temperature dot cannot fully be combined with heating surface, and burning is insufficient, and flue gas is big, pollution
Environment, easily produces molten slag, it is necessary to there is slag removal equipment, and fuel consumption is big, and by taking 0.35mW as an example, fully burning in one hour needs
80Kg fuel, flue gas exit temperature is high, and for temperature about between 120-130 DEG C, heat loss is big, and the thermal efficiency is low, not energy conservation and environmental protection.
The content of the invention：It is an object of the invention to overcome disadvantages mentioned above, there is provided a kind of internal circulating fluidized-bed boiler, boiler combustion
Wind needed for material is sent into from burner hearth bottom, and the granular fuel in bed body is blown afloat to come, is burnt in the air, with air bonded area
Greatly, stove fire high temperature dot is combined fully with heating surface, and the thermal efficiency is high, and heat loss is small.The object of the present invention is achieved like this, inside follows
Circulation fluidized bed boiler by：Furnace body, water jacket, horizontal water pipe, inspection socket, visor, material feeding box, charging motor, spiral propeller, hand
Hole, wind box, bed body, ventilation hole, blast pipe, fire door, gas fuel burner connecting tube, smoke outlet, water-cooling wall, longitudinal water pipe,
Aerofoil, atmospheric communicating pipe, outlet pipe, manhole, refractory insulating layer, burner hearth are formed.Water jacket, horizontal water pipe are housed in the upper end of furnace body
There are more, it is uniformly distributed is connected with water jacket, aerofoil is housed in horizontal water pipe, the upper end of furnace body is equipped with inspection socket, and is equipped with
Atmospheric communicating pipe, outlet pipe, the both sides of furnace body are equipped with manhole, and the center of furnace body is equipped with visor, and furnace body is internally provided with stove
Thorax, one week of burner hearth are equipped with water-cooling wall, and longitudinal water pipe has more, it is uniformly distributed is connected with water-cooling wall, burner hearth and water-cooling wall
Between scribble refractory insulating layer, the lower end of furnace body is equipped with spiral propeller, material feeding box, charging motor respectively with spiral propeller phase
Connection, the lower end of furnace body is respectively provided with gas fuel burner connecting tube, blast pipe, fire door, smoke outlet, and is equipped with hand hole, stove
The bottom of body is equipped with wind box, and is equipped with bed body, and wind box is connected with bed body, and ventilation hole is provided with bed body.The product structure is simple,
Design is reasonable, it use internal circulating fluidized-bed boiler, and fixed combustion is changed into air suspension burns, and the required wind that burns is from stove
Thorax bottom is sent into, and the granular fuel in bed body is blown afloat to come, big with air bonded area, fuel burns in the air, stove fire high temperature
Combined with heating surface fully, in suspended state, i.e. fluidized state, the biologic grain used that burns is by processing extrusion forming
Granular substance, this solids pass through with gas and be changed into the process of similar fluidized state, be known as fluid mapper process, fluidize
Process is used to burn, and is fluidized bed combustion, its stove is known as fluidized-bed combustion boiler, and using this suspension combustion, burning is abundant, does not produce
Raw molten slag, ash content is few, energy conservation and environmental protection, suitable various unlike material fuel, and fluidising air velocity is higher in circulating fluidized bed boiler, uses
When, smoke outlet can be connected with gas-solid material separator, and the fine solid particles of discharge burner hearth are carried by flue gas, through separator point
The multiple circulating combustion of burner hearth is fed again into from after, has reached burning fully, has saved fuel, compared with similar boiler, fill within one hour
Divided combustion needs 40kg fuel, and gas is discharged by gas-solid material separator, and outlet temperature is low, and temperature is between 70-80 degree, heat
Loss is few, and the thermal efficiency is high, has fuel wide adaptation range, and cheap desulfurization, can control discharged nitrous oxides, eliminate molten slag, Gao Ran
The characteristics of burning.
Brief description of the drawings：
Attached drawing 1 is the front view of internal circulating fluidized-bed boiler of the present invention.
Attached drawing 2 is the side view of internal circulating fluidized-bed boiler of the present invention.
1-furnace body, 2-water jacket 2-transverse direction water pipe 4-inspection socket, 5-visor
6-material feeding box, 7-charging motor, 8-spiral propeller, 9-hand hole, 10-wind box
11-bed body, 12-ventilation hole, 13-blast pipe, 14-fire door, 15-gas fuel burner connecting tube
16-smoke outlet, 17-water-cooling wall 18-longitudinal direction water pipe 19-aerofoil, 20-atmospheric communicating pipe
21-outlet pipe, 22-manhole, 23-refractory insulating layer, 24-burner hearth
Embodiment：The most preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings, internal circulating fluidized-bed boiler by：Stove
Body 1, water jacket 2, horizontal water pipe 3, inspection socket 4, visor 5, material feeding box 6, charging motor 7, spiral propeller 8, hand hole 9, wind box 10,
Bed body 11, ventilation hole 12, blast pipe 13, fire door 14, gas fuel burner connecting tube 15, smoke outlet 16, water-cooling wall 17, longitudinal direction
Water pipe 18, aerofoil 19, atmospheric communicating pipe 20, outlet pipe 21, manhole 22, refractory insulating layer 23, burner hearth 24 are formed.Furnace body 1 it is upper
Water jacket 2 is housed in end, horizontal water pipe 3 has more, it is uniformly distributed is connected with water jacket 2, and aerofoil 19 is housed in horizontal water pipe 3,
It can play the role of flue gas guiding, and the upper end of furnace body 1 is equipped with inspection socket 4, and equipped with atmospheric communicating pipe 20, outlet pipe 21, stove
The both sides of body 1 are equipped with manhole 22, and the center of furnace body 1 is equipped with visor 5, and the lower end of furnace body 1 is equipped with burner hearth 24, and the one of burner hearth 24
Week is equipped with water-cooling wall 17, and longitudinal water pipe 18 has more, it is uniformly distributed is connected with water-cooling wall 17, burner hearth 24 and water-cooling wall 17 it
Between scribble refractory insulating layer 23, the lower end of furnace body 1 is equipped with spiral propeller 8, material feeding box 6, charging motor 7 respectively with screw propulsion
Device 8 is connected, and the lower end of furnace body 1 is respectively provided with gas fuel burner connecting tube 15, blast pipe 13, fire door 14, smoke outlet 16,
And hand hole 9 is equipped with, the bottom of furnace body 1 is equipped with wind box 10, and is equipped with bed body 11, and wind box 10 is connected with bed body 11, in bed body 11
It is provided with ventilation hole 12.
Claims (1)
1. a kind of internal circulating fluidized-bed boiler, it by：Furnace body（1）, water jacket（2）, horizontal water pipe（3）, inspection socket（4）, visor
（5）, material feeding box（6）, charging motor（7）, spiral propeller（8）, hand hole（9）, wind box（10）, bed body（11）, ventilation hole（12）、
Blast pipe（13）, fire door（14）, gas fuel burner connecting tube（15）, smoke outlet（16）, water-cooling wall（17）, longitudinal water pipe
（18）, aerofoil（19）, atmospheric communicating pipe（20）, outlet pipe（21）, manhole（22）, refractory insulating layer（23）, burner hearth（24）Form,
It is characterized in that：Furnace body（1）Upper end in water jacket is housed（2）, horizontal water pipe（3）There are more, it is uniformly distributed and water jacket（2）Phase
Connection, horizontal water pipe（3）It is interior that aerofoil is housed（19）, furnace body（1）Upper end be equipped with inspection socket（4）, and atmospheric communicating pipe is housed
（20）, outlet pipe（21）, furnace body（1）Both sides be equipped with manhole（22）, furnace body（1）Center visor is housed（5）, furnace body
（1）Lower end be equipped with burner hearth（24）, burner hearth（24）Be equipped with water-cooling wall within one week（17）, longitudinal water pipe（18）There are more, it is uniform
Distribution and water-cooling wall（17）It is connected, burner hearth（24）With water-cooling wall（17）Between scribble refractory insulating layer（23）, furnace body（1）Under
End is equipped with spiral propeller（8）, material feeding box（6）, charging motor（7）Respectively with spiral propeller（8）It is connected, furnace body（1）'s
Lower end is respectively provided with gas fuel burner connecting tube（15）, blast pipe（13）, fire door（14）, smoke outlet（16）, and it is equipped with hand
Hole（9）, furnace body（1）Bottom wind box is housed（10）, and it is equipped with bed body（11）, wind box（10）With bed body（11）It is connected, bed body
（11）On be provided with ventilation hole（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880145.4A CN107917418A (en) | 2016-10-10 | 2016-10-10 | Internal circulating fluidized-bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880145.4A CN107917418A (en) | 2016-10-10 | 2016-10-10 | Internal circulating fluidized-bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917418A true CN107917418A (en) | 2018-04-17 |
Family
ID=61891670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610880145.4A Pending CN107917418A (en) | 2016-10-10 | 2016-10-10 | Internal circulating fluidized-bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107917418A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046497A (en) * | 2021-11-17 | 2022-02-15 | 广东绿壳新能源有限公司 | Circulating fluidized bed boiler capable of reducing NOX discharge amount |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4465022A (en) * | 1982-07-19 | 1984-08-14 | Virr Michael J | Fluidized bed retrofit boiler |
| CN2336195Y (en) * | 1998-10-08 | 1999-09-01 | 王政民 | Internal circulation fluid-bed combustion furnace with longitudinal cyclone dust separator |
| KR100850528B1 (en) * | 2007-05-04 | 2008-08-05 | 류지원 | A fuel injection device of sand circulation fluid bed boiler for rdf(rpf) combustion form waste material |
| CN202066001U (en) * | 2011-05-18 | 2011-12-07 | 自贡东方热电配套有限公司 | Circulating fluidized bed boiler utilizing three wastes generated during combustion in coal chemical industry |
| CN202791996U (en) * | 2012-07-06 | 2013-03-13 | 无锡华光锅炉股份有限公司 | Circulating fluidized bed boiler for combusting papermaking waste dreg and sludge |
| CN206112910U (en) * | 2016-10-10 | 2017-04-19 | 佳木斯东极热能锅炉制造有限公司 | Interior circulating fluidized bed boiler |
-
2016
- 2016-10-10 CN CN201610880145.4A patent/CN107917418A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4465022A (en) * | 1982-07-19 | 1984-08-14 | Virr Michael J | Fluidized bed retrofit boiler |
| CN2336195Y (en) * | 1998-10-08 | 1999-09-01 | 王政民 | Internal circulation fluid-bed combustion furnace with longitudinal cyclone dust separator |
| KR100850528B1 (en) * | 2007-05-04 | 2008-08-05 | 류지원 | A fuel injection device of sand circulation fluid bed boiler for rdf(rpf) combustion form waste material |
| CN202066001U (en) * | 2011-05-18 | 2011-12-07 | 自贡东方热电配套有限公司 | Circulating fluidized bed boiler utilizing three wastes generated during combustion in coal chemical industry |
| CN202791996U (en) * | 2012-07-06 | 2013-03-13 | 无锡华光锅炉股份有限公司 | Circulating fluidized bed boiler for combusting papermaking waste dreg and sludge |
| CN206112910U (en) * | 2016-10-10 | 2017-04-19 | 佳木斯东极热能锅炉制造有限公司 | Interior circulating fluidized bed boiler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046497A (en) * | 2021-11-17 | 2022-02-15 | 广东绿壳新能源有限公司 | Circulating fluidized bed boiler capable of reducing NOX discharge amount |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180417 |