CN110617471A - Multi-order system for combustion device - Google Patents
Multi-order system for combustion device Download PDFInfo
- Publication number
- CN110617471A CN110617471A CN201810626731.5A CN201810626731A CN110617471A CN 110617471 A CN110617471 A CN 110617471A CN 201810626731 A CN201810626731 A CN 201810626731A CN 110617471 A CN110617471 A CN 110617471A
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- China
- Prior art keywords
- combustion chamber
- chamber
- combustion
- slag
- pipeline
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B10/00—Combustion apparatus characterised by the combination of two or more combustion chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
The invention discloses a multi-order system for a combustion device.A feeding device comprises a feeding hopper, a sieve plate and a crushed material discharging device; the crushed material discharging device comprises a discharging pipe and a valve arranged on the discharging pipe, and the discharging pipe is obliquely arranged at the bottom of the feeding hopper; the lower part of the interior of the hearth consists of a primary combustion chamber, a secondary combustion chamber and a slag discharge chamber which are sequentially arranged from top to bottom; a gap is reserved between the primary combustion chamber and the secondary combustion chamber and is connected through a plurality of refractory pipelines; the secondary combustion chamber is connected with the slag discharging chamber through a pipeline; the slag discharging chamber is provided with a slag discharging port, and the outer side of the slag discharging port is connected with an exhaust device which consists of an exhaust pipe and a valve arranged on the exhaust pipe; the draught fan is arranged on the outer side of the furnace body, one end of the draught fan is connected with the heat exchange device through a pipeline, and the other end of the draught fan is connected with the filter water tank through a pipeline. The invention screens the biological fuel, ensures the biological fuel to be fully combusted, saves energy, protects environment and conforms to the current basic national policy of China.
Description
Technical Field
The invention relates to a biomass boiler, in particular to a multi-stage system for a combustion device, and belongs to the technical field of pressure vessels.
Background
The biomass fuel boiler is a kind of boiler, and is a kind of boiler using biomass fuel as energy, the biomass fuel is generally agricultural and forestry waste, such as straw, sawdust, bagasse, rice chaff, etc., and is made into block or column shape by the processes of crushing, mixing, extruding, drying, etc., the diameter of the biomass fuel is generally 6-8 mm, the length is 4-5 times of the diameter, the breaking rate is less than 1.5-2.0%, the moisture content of dry basis is less than 10-15%, the ash content is less than 1.5%, the sulfur content and the chlorine content are both less than 0.07%, and the nitrogen content is less than 0.5%, and the biomass fuel can be directly combusted; biomass fuel boilers are various in types, such as biomass steam boilers, biomass hot water boilers, biomass hot air furnaces and the like, the biomass fuel boilers generally adopt reciprocating grates of combustion equipment most suitable for biomass fuel combustion, and the boilers are large in space relative to the hearth of a traditional boiler in structural design, and simultaneously arrange very reasonable secondary air, so that the biomass fuel can be fully combusted.
The existing biomass fuel boiler has the following problems when in use:
1. the biological fuel has various types, so that excessive broken slag cannot be removed, and the reaction effect is influenced;
2. the biological fuels in the furnace cavity are various in types and different in basic combustion conditions, so that the biological fuels in the same combustion chamber cannot be sufficiently combusted, and energy is wasted;
3. when the crushed slag is discharged, waste gas often overflows to pollute the air, so that the environment and the health of operators are influenced;
4. the exhaust emission is not sufficient, the surrounding environment is influenced, and the national requirements of energy conservation and environmental protection at present are not met.
Disclosure of Invention
In order to solve the problems, the invention provides a multi-stage system for a combustion device, which screens biological fuels, ensures the biological fuels to be fully combusted, is energy-saving and environment-friendly and conforms to the current basic national policy of China.
In order to achieve the purpose, the invention comprises a furnace body, a hearth, a feeding device, a base, a heat exchange device and a draught fan; the furnace body is arranged on the base, and the hearth and the heat exchange device are respectively arranged in different areas of the furnace body; the feeding device comprises a feed hopper, a sieve plate and a crushed material discharging device; wherein, a plurality of sieve plates are arranged and are movably arranged in the feed hopper from top to bottom in sequence; the crushed material discharging device comprises a discharging pipe and a valve arranged on the discharging pipe, wherein the discharging pipe is obliquely arranged at the bottom of the feeding hopper; the lower part of the interior of the hearth consists of a primary combustion chamber, a secondary combustion chamber and a slag discharge chamber which are sequentially arranged from top to bottom; wherein a gap is reserved between the primary combustion chamber and the secondary combustion chamber and is connected with the primary combustion chamber and the secondary combustion chamber through a plurality of refractory pipelines; the secondary combustion chamber is connected with the slag discharging chamber through a pipeline; the slag discharging chamber is provided with a slag discharging port, and the outer side of the slag discharging port is connected with an exhaust device which consists of an exhaust pipe and a valve arranged on the exhaust pipe; the draught fan is arranged on the outer side of the furnace body, one end of the draught fan is connected with the heat exchange device through a pipeline, and the other end of the draught fan is connected with the filter water tank through a pipeline.
Further, still be provided with at least one combustion chamber between inside below, second grade combustion chamber and the row's cinder room of furnace, the combustion chamber pass through the pipeline and be connected with second grade combustion chamber and row's cinder room respectively, pipe connection between the combustion chamber.
Furthermore, the sieve plate is movably arranged in the feeding device.
Furthermore, the discharge pipe in the crushed material discharge device is arranged at the bottom of the feed hopper at an inclined angle of 30-45 degrees.
Furthermore, the discharge pipe of the crushed material discharge device is arranged at the bottom of the feed hopper at an inclined angle of 30 degrees.
Furthermore, a valve in the crushed material discharge device is a numerical control valve.
Furthermore, a plurality of filter chambers are arranged in the pipeline connecting the induced draft fan and the water filtering pond, and chemical material layers for absorbing waste gas are coated in the filter chambers.
Compared with the prior art, the invention has the following characteristics:
1. a sieve plate is arranged in the feed hopper, impurities in the biofuel are filtered through the sieve plate, and the reaction effect of the biofuel after entering the furnace chamber is ensured;
2. different combustion chambers are arranged in the furnace chamber, and the combustion environments in the combustion chambers are different, so that the sufficient combustion of different organisms is ensured, and the energy is saved;
3. the outer side of the slag discharging port is connected with an exhaust device, and the exhaust device is connected with a filtering device, so that no waste gas overflows when waste slag is discharged, and environmental pollution is avoided.
4. One end of the induced draft fan is connected with the filter water tank through a pipeline, waste gas is introduced, environmental pollution is avoided, and the national energy-saving and environment-friendly requirements are met.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, a multi-stage system for a combustion apparatus includes a furnace body 1, a furnace chamber 2, a feeding device 3, a base 4, a heat exchange device 5 and an induced draft fan 6; the furnace body 1 is arranged on the base 4, and the hearth 2 and the heat exchange device 5 are respectively arranged in different areas of the furnace body 1; the feeding device 3 comprises a feeding hopper 3.1, a sieve plate 3.2 and a crushed material discharging device 3.3; wherein, a plurality of sieve plates 3.2 are arranged and are movably arranged in the feed hopper 3.1 from top to bottom; the crushed material discharging device 3.3 comprises a discharging pipe and a valve arranged on the discharging pipe, wherein the discharging pipe is obliquely arranged at the bottom of the feeding hopper 3.1; the lower part inside the hearth 2 consists of a primary combustion chamber 2.1, a secondary combustion chamber 2.3 and a slag discharge chamber 2.5 which are sequentially arranged from top to bottom; wherein a gap is reserved between the primary combustion chamber 2.1 and the secondary combustion chamber 2.3 and is connected through a plurality of refractory pipelines 2.2; the secondary combustion chamber 2.3 is connected with the slag discharging chamber 2.5 through a pipeline 2.4; the slag discharging chamber 2.5 is provided with a slag discharging port 2.6, and the outer side of the slag discharging port 2.6 is connected with an exhaust device 2.7 which consists of an exhaust pipe and a valve arranged on the exhaust pipe; the draught fan 6 is arranged outside the furnace body 1, one end of the draught fan is connected with the heat exchange device 5 through a pipeline, and the other end of the draught fan is connected with the filter water tank 8 through a pipeline.
As a further improvement of the invention, at least one combustion chamber is also arranged below the inner part of the hearth 2 and between the secondary combustion chamber 2.3 and the slag discharging chamber 2.5, the combustion chamber is respectively connected with the secondary combustion chamber 2.3 and the slag discharging chamber 2.5 through pipelines, and the combustion chambers are connected through pipelines.
As a further development of the invention, the screen deck 3.2 is movably mounted in the feed device 3.
As a further development of the invention, the discharge pipe in the scrap discharge apparatus 3.3 is mounted at the bottom of the feed hopper 3.1 at an angle of inclination of 30 ° to 45 °.
As a further development of the invention, the discharge pipe of the scrap discharge device 3.3 is mounted at the bottom of the feed bin 3.1 at an angle of inclination of 30 °.
As a further development of the invention, the valve in the spitwad discharge device 3.3 is a numerical control valve.
As a further improvement of the invention, a plurality of filter cavities 7 are arranged in a pipeline connecting the induced draft fan 6 and the water filtering pool 8, and chemical material layers for absorbing waste gas are coated in the filter cavities 7.
Compared with the prior art, the sieve plate is arranged in the feed hopper, impurities in the biofuel are filtered through the sieve plate, and the reaction effect of the biofuel after entering the furnace chamber is ensured; different combustion chambers are arranged in the furnace chamber, and the combustion environments in the combustion chambers are different, so that the sufficient combustion of different organisms is ensured, and the energy is saved; the outer side of the slag discharging port is connected with an exhaust device, and the exhaust device is connected with a filtering device, so that no waste gas overflows when waste slag is discharged, and environmental pollution is avoided. One end of the induced draft fan is connected with the filter water tank through a pipeline, waste gas is introduced, environmental pollution is avoided, and the national energy-saving and environment-friendly requirements are met.
Claims (7)
1. A multi-stage system for a combustion device comprises a furnace body (1), a hearth (2), a feeding device (3), a base (4), a heat exchange device (5) and an induced draft fan (6); the furnace body (1) is arranged on the base (4), and the hearth (2) and the heat exchange device (5) are respectively arranged in different areas of the furnace body (1);
the device is characterized in that the feeding device (3) comprises a feeding hopper (3.1), a sieve plate (3.2) and a crushed material discharging device (3.3);
the lower part inside the hearth (2) is formed by sequentially arranging a primary combustion chamber (2.1), a secondary combustion chamber (2.3) and a slag discharge chamber (2.5) from top to bottom;
wherein a gap is reserved between the primary combustion chamber (2.1) and the secondary combustion chamber (2.3) and is connected through a plurality of refractory pipelines (2.2);
the secondary combustion chamber (2.3) is connected with the slag discharge chamber (2.5) through a pipeline (2.4);
the slag discharging chamber (2.5) is provided with a slag discharging port (2.6), and the outer side of the slag discharging port (2.6) is connected with an exhaust device (2.7) which consists of an exhaust pipe and a valve arranged on the exhaust pipe;
the induced draft fan (6) is arranged outside the furnace body (1), one end of the induced draft fan is connected with the heat exchange device (5) through a pipeline, and the other end of the induced draft fan is connected with the filter water tank (8) through a pipeline.
2. The multistage system for the combustion device according to claim 2, wherein at least one combustion chamber is further arranged below the interior of the hearth (2) and between the secondary combustion chamber (2.3) and the slag discharge chamber (2.5), the combustion chamber is respectively connected with the secondary combustion chamber (2.3) and the slag discharge chamber (2.5) through pipelines, and the combustion chambers are connected with each other through pipelines.
3. A multistage system for combustion plants according to claim 1, characterized in that the screen deck (3.2) is movably mounted in the feed device (3).
4. A multistage system for combustion plants according to claim 3, characterized in that the discharge pipe of the scrap discharge device (3.3) is arranged at the bottom of the feed hopper (3.1) at an angle of inclination of 30 ° -45 °.
5. A multistage system for combustion plants according to claim 3, characterized in that the discharge pipe of the scrap discharge device (3.3) is mounted at the bottom of the feed hopper (3.1) with an angle of inclination of 30 °.
6. The multiple stage system for a combustion unit according to claim 1, wherein the valves in the spitwad discharge unit (3.3) are numerical controlled valves.
7. The multistage system for the combustion device as claimed in claim 1, wherein a plurality of filter chambers (7) are arranged in the pipeline connecting the induced draft fan (6) and the water filtering pond (8), and chemical material layers for absorbing waste gas are coated in the filter chambers (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626731.5A CN110617471A (en) | 2018-06-19 | 2018-06-19 | Multi-order system for combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810626731.5A CN110617471A (en) | 2018-06-19 | 2018-06-19 | Multi-order system for combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110617471A true CN110617471A (en) | 2019-12-27 |
Family
ID=68919966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810626731.5A Pending CN110617471A (en) | 2018-06-19 | 2018-06-19 | Multi-order system for combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110617471A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070251436A1 (en) * | 2006-04-28 | 2007-11-01 | Harris Beausoleil | Apparatus and method for conversion of animal litter biomass into useful energy |
| CN102425785A (en) * | 2011-10-28 | 2012-04-25 | 清华大学 | Biomass combustion equipment with double fire grates |
| CN202915405U (en) * | 2012-09-15 | 2013-05-01 | 朱学德 | Energy-saving environment-friendly heating furnace |
| CN204730182U (en) * | 2015-06-30 | 2015-10-28 | 廊坊劲华锅炉有限公司 | Integration biomass fuel boiler |
| CN107376782A (en) * | 2017-09-08 | 2017-11-24 | 长兴谐达能源科技有限公司 | A kind of biological particles production Granulation Equipments |
-
2018
- 2018-06-19 CN CN201810626731.5A patent/CN110617471A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070251436A1 (en) * | 2006-04-28 | 2007-11-01 | Harris Beausoleil | Apparatus and method for conversion of animal litter biomass into useful energy |
| CN102425785A (en) * | 2011-10-28 | 2012-04-25 | 清华大学 | Biomass combustion equipment with double fire grates |
| CN202915405U (en) * | 2012-09-15 | 2013-05-01 | 朱学德 | Energy-saving environment-friendly heating furnace |
| CN204730182U (en) * | 2015-06-30 | 2015-10-28 | 廊坊劲华锅炉有限公司 | Integration biomass fuel boiler |
| CN107376782A (en) * | 2017-09-08 | 2017-11-24 | 长兴谐达能源科技有限公司 | A kind of biological particles production Granulation Equipments |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191227 |
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| WD01 | Invention patent application deemed withdrawn after publication |