CN108800112B - A kind of low emission biomass circulating fluidized bed hot-blast stove of mortar production - Google Patents
A kind of low emission biomass circulating fluidized bed hot-blast stove of mortar production Download PDFInfo
- Publication number
- CN108800112B CN108800112B CN201810694017.XA CN201810694017A CN108800112B CN 108800112 B CN108800112 B CN 108800112B CN 201810694017 A CN201810694017 A CN 201810694017A CN 108800112 B CN108800112 B CN 108800112B
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- Prior art keywords
- heat exchanger
- import
- combustion furnace
- fluid
- pipeline
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Classifications
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- 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
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- 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
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/28—Control devices specially adapted for fluidised bed, combustion apparatus
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- 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 invention discloses a kind of low emission biomass circulating fluidized bed hot-blast stoves of mortar production, heat exchanger tube is horizontal to be mounted in heat exchanger shell, heat exchanger shell two sides are separately installed with outlet header, import header, outlet header, import header is communicated by heat exchanger tube, the side of outlet header is equipped with hot-blast outlet pipe, fluidized bed combustion furnace bottom is fixed with air compartment, it is separated between fluid-bed combustion furnace and air compartment by air distribution plate, blast cap is installed on air distribution plate, the upper outlet of fluid-bed combustion furnace is connected by pipeline with the import of primary cyclone, primary cyclone bottom ash releasing tube is connected by pipeline with the upper end of heat exchanger shell, the lower end of heat exchanger shell is connected by pipeline with the import of material returning device, the outlet of material returning device is connected by pipeline with the lower sides of fluid-bed combustion furnace, the present invention has The advantages of clean and environmental protection, high combustion efficiency.
Description
Technical field
The invention belongs to production of construction materials technical fields, and in particular to a kind of low emission biomass circulating stream of mortar production
Change bed hot-air furnace.
Background technique
Inorganic heat insulation mortar is exactly with inorganic light-weight aggregate (such as hydrophobic expansion pearlite, glass bead, closed perlite, swollen
Swollen vermiculite, pottery sand etc.) it is thermal insulation material, with inorganic gels such as cement for main cementitious matter, mix high molecular polymer and function
Building heat preservation dry powder and mortar made of property additive.Mortar production process can largely be related to the drying of material, and existing mortar is raw
The drying unit that production is used mostly uses greatly coal, natural gas or heavy oil as fuel, and fuel burns in hot-blast stove generates high temperature cigarette
Gas, then high-temperature flue gas is sent into drying system and is used.Since coal, natural gas or heavy oil are fossil energy, use process meeting
A large amount of carbon dioxide is generated, the environmental protection concept of clean and environmental protection, low-carbon is not met.
Biomass is renewable energy, and how biomass energy is applied to building materials production industry becomes the art skill
Art personnel major issue urgently to be solved.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of low emission biology of mortar production is provided
Matter circulating fluid bed hot-air furnace.
A kind of low emission biomass circulating fluidized bed hot-blast stove of mortar production, comprising: fluid-bed combustion furnace, level-one rotation
Wind separator, heat exchanger, material returning device, the heat exchanger is by heat exchanger shell, set of heat exchange tubes at horizontal being mounted on of heat exchanger tube is changed
In hot device shell, heat exchanger shell two sides are separately installed with outlet header, import header, and the outlet header, import header are logical
It crosses heat exchanger tube to communicate, the side of the outlet header is equipped with hot-blast outlet pipe, and the fluidized bed combustion furnace bottom is fixed with wind
Room is separated between the fluid-bed combustion furnace and air compartment by air distribution plate, and blast cap, the fluidized bed are equipped on the air distribution plate
The upper outlet of combustion furnace is connected by pipeline with the import of primary cyclone, the primary cyclone bottom row
Ash pipe is connected by pipeline with the upper end of heat exchanger shell, and the lower end of heat exchanger shell passes through the import phase of pipeline and material returning device
Connection, the outlet of the material returning device are connected by pipeline with the lower sides of fluid-bed combustion furnace, the one cyclonic separation
The gas vent of device is connected by pipeline with the import of secondary cyclone, the ash discharging hole of the secondary cyclone
Bottom is also equipped with heat exchanger, and the hot-blast outlet pipe is connected with the outlet of secondary cyclone.
Preferably, the side of the fluid-bed combustion furnace is equipped with raw material charging gear, bed material charging gear.
Preferably, the side of the import header is equipped with cold wind import, and the cold wind import passes through pipeline and heat exchange wind
Machine is connected.
Preferably, the material returning device is L-type material returning device.
Compared with prior art, beneficial effects of the present invention:
In the use of the present invention, the biomass materials such as stalk, rice husk, sawdust feed fluidized bed combustion by raw material charging gear
Furnace, air needed for material combusting are sent into fluid-bed combustion furnace through air compartment, blast cap by air blower, and air and biomass material occur
Combustion reaction generates heat, and when operation feeds certain bed material by bed material charging gear, the lime-ash and bed material one of generation of burning
It rises and primary cyclone is brought by flue gas, primary cyclone realizes that gas solid separation, the lime-ash separated and bed material are first
It is introduced into heat exchanger to be cooled down, lime-ash after cooling and bed material can be sent to fluid-bed combustion furnace by material returning device, due to not
Disconnected has cold bed material and lime-ash to enter fluid-bed combustion furnace, can be realized the control of fluid-bed combustion furnace ignition temperature, not by
The flying dust of primary cyclone separation is carried along into secondary cyclone by flue gas and separates again, the flue gas after separation and changes
The hot-air of hot device heating is sent to mortar production system together, the drying for raw material and product.The present invention passes through fluidized bed
Combustion system realizes the burning of biomass material, has the advantages that high combustion efficiency；Pass through biomass material Substitute coal, stone
The fossil energies such as oil, natural gas provide thermal energy for mortar production, have the advantages that clean and environmental protection.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the low emission biomass circulating fluidized bed hot-blast stove of mortar production of the present invention.
Fig. 2 is the structural schematic diagram of heat exchanger in the present invention.
In figure, 1, fluid-bed combustion furnace, 2, primary cyclone, 3, heat exchanger, 4, raw material charging gear, 5, bed material gives
Material device, 6, air distribution plate, 7, air compartment, 8, scum pipe, 9, blast cap, 10, material returning device, 11, material return blower, 12, air blower, 13, two
Grade cyclone separator, 14, ash bucket, 15, heat exchange blower fan, 301, hot-blast outlet pipe, 302, outlet header, 303, heat exchanger shell,
304, heat exchanger tube, 305, import header, 306, cold wind import.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 2, a kind of low emission biomass circulating fluidized bed hot-blast stove of mortar production, comprising: fluidized bed
Combustion furnace 1, primary cyclone 2, heat exchanger 3, material returning device 10, the heat exchanger 3 is by heat exchanger shell 303, heat exchanger tube 304
Composition, heat exchanger tube 304 is horizontal to be mounted in heat exchanger shell 303, and 303 two sides of heat exchanger shell are separately installed with outlet header
302, import header 305, the outlet header 302, import header 305 are communicated by heat exchanger tube 304, the outlet header 302
Side hot-blast outlet pipe 301 is installed, 1 bottom of fluid-bed combustion furnace is fixed with air compartment 7, the fluid-bed combustion furnace 1
It is separated between air compartment 7 by air distribution plate 6, blast cap 9 is installed, the top of the fluid-bed combustion furnace 1 goes out on the air distribution plate 6
Mouth is connected by pipeline with the import of primary cyclone 2, and the 2 bottom ash releasing tube of primary cyclone passes through pipeline
It is connected with the upper end of heat exchanger shell 303, the lower end of heat exchanger shell 303 is connected by pipeline with the import of material returning device 10
It connects, the outlet of the material returning device 10 is connected by pipeline with the lower sides of fluid-bed combustion furnace 1, the one cyclonic separation
The gas vent of device 2 is connected by pipeline with the import of secondary cyclone 13, the row of the secondary cyclone 13
The bottom of grey mouth is also equipped with heat exchanger 3, and the hot-blast outlet pipe 301 is connected with the outlet of secondary cyclone 13,
The side of the fluid-bed combustion furnace 1 is equipped with raw material charging gear 4, bed material charging gear 5, the side of the import header 305
Portion is equipped with cold wind import 306, and the cold wind import 306 is connected by pipeline with heat exchange blower fan 15, and the material returning device 10 is L
Type material returning device.
The working principle of the invention is:
In the use of the present invention, the biomass materials such as stalk, rice husk, sawdust feed fluidized bed combustion by raw material charging gear 4
Furnace 1 is burnt, air needed for material combusting is sent into fluid-bed combustion furnace 1, air and biomass through air compartment 7, blast cap 9 by air blower 12
Combustion reaction occurs for raw material, generates heat, and when operation feeds certain bed material by bed material charging gear 5, the ash for generation of burning
Slag and bed material bring primary cyclone 2 by flue gas together, and primary cyclone 2 is realized gas solid separation, separated
Lime-ash and bed material initially enter heat exchanger 3 and are cooled down, and lime-ash after cooling and bed material can be sent by material returning device 10 to fluidized bed
In combustion furnace 1, due to constantly having cold bed material and lime-ash to enter fluid-bed combustion furnace 1, the combustion of fluid-bed combustion furnace 1 can be realized
The control for burning temperature, is not carried along into secondary cyclone 13 again by flue gas by the isolated flying dust of primary cyclone 2
The hot-air that separation, flue gas after separation and heat exchanger 3 heat is sent to mortar production system together, for raw material and product
Drying.The present invention realizes the burning of biomass material by fluidized bed combustion mode, has the advantages that high combustion efficiency；Pass through life
The fossil energies such as raw material of substance Substitute coal, petroleum, natural gas provide thermal energy for mortar production, have the advantages that clean and environmental protection.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.Above embodiments are only to say
Bright technical solution of the present invention, rather than its limitations；Although the present invention is described in detail referring to the foregoing embodiments, originally
The those of ordinary skill in field it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments,
Or equivalent replacement of some of the technical features；And these are modified or replaceed, and do not make the sheet of corresponding technical solution
Matter departs from the spirit and scope of the technical scheme of various embodiments of the present invention.
Claims (3)
1. a kind of low emission biomass circulating fluidized bed hot-blast stove of mortar production, comprising: fluid-bed combustion furnace (1), level-one
Cyclone separator (2), heat exchanger (3), material returning device (10), it is characterised in that: the heat exchanger (3) by heat exchanger shell (303),
Heat exchanger tube (304) composition, heat exchanger tube (304) is horizontal to be mounted in heat exchanger shell (303), heat exchanger shell (303) two sides
It is separately installed with outlet header (302), import header (305), the outlet header (302), import header (305) pass through heat exchange
Pipe (304) communicates, and the side of the outlet header (302) is equipped with hot-blast outlet pipe (301), the fluid-bed combustion furnace (1)
Bottom is fixed with air compartment (7), is separated between the fluid-bed combustion furnace (1) and air compartment (7) by air distribution plate (6), the cloth wind
It is equipped on plate (6) blast cap (9), the upper outlet of the fluid-bed combustion furnace (1) passes through pipeline and primary cyclone (2)
Import be connected, primary cyclone (2) the bottom ash releasing tube passes through the upper end phase of pipeline and heat exchanger shell (303)
Connection, the lower end of heat exchanger shell (303) are connected by pipeline with the import of material returning device (10), and the material returning device (10) goes out
Mouth is connected by pipeline with the lower sides of fluid-bed combustion furnace (1), and the gas vent of the primary cyclone (2) is logical
Piping is connected with the import of secondary cyclone (13), the bottom of the ash discharging hole of the secondary cyclone (13)
It is equipped with heat exchanger (3), the hot-blast outlet pipe (301) is connected with the outlet of secondary cyclone (13)；It is described into
The side of mouth header (305) is equipped with cold wind import (306), and the cold wind import (306) passes through pipeline and heat exchange blower fan (15)
It is connected.
2. a kind of low emission biomass circulating fluidized bed hot-blast stove of mortar production as described in claim 1, feature exist
In: the side of the fluid-bed combustion furnace (1) is equipped with raw material charging gear (4), bed material charging gear (5).
3. a kind of low emission biomass circulating fluidized bed hot-blast stove of mortar production as described in claim 1, feature exist
In: the material returning device (10) is L-type material returning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810694017.XA CN108800112B (en) | 2018-06-29 | 2018-06-29 | A kind of low emission biomass circulating fluidized bed hot-blast stove of mortar production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810694017.XA CN108800112B (en) | 2018-06-29 | 2018-06-29 | A kind of low emission biomass circulating fluidized bed hot-blast stove of mortar production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108800112A CN108800112A (en) | 2018-11-13 |
| CN108800112B true CN108800112B (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810694017.XA Active CN108800112B (en) | 2018-06-29 | 2018-06-29 | A kind of low emission biomass circulating fluidized bed hot-blast stove of mortar production |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI121284B (en) * | 2008-11-06 | 2010-09-15 | Foster Wheeler Energia Oy | Circulating fluidized bed boiler |
| CN102620287B (en) * | 2012-03-31 | 2014-11-26 | 清华大学 | Circulating fluidized bed boiler with air cooling type cyclone separator |
| FI20155085A (en) * | 2015-02-09 | 2016-08-10 | Fortum Oyj | Method for reducing NOx emissions in a circulating fluidized bed boiler, circulating fluidized bed boiler and use thereof |
| CN106122949B (en) * | 2016-07-22 | 2017-05-31 | 福建省联盛纸业有限责任公司 | A kind of circulating fluidized bed boiler of paper grade (stock) |
| CN106833751A (en) * | 2017-02-20 | 2017-06-13 | 杭州聚能环保科技股份有限公司 | A kind of malleation biomass gasifying furnace and coal-burning boiler coupled electricity-generation system |
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| CN108800112A (en) | 2018-11-13 |
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