CN111351030A - Cyclone type airflow field combustion liquid state slag discharging multifunctional boiler - Google Patents
Cyclone type airflow field combustion liquid state slag discharging multifunctional boiler Download PDFInfo
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- CN111351030A CN111351030A CN202010220449.4A CN202010220449A CN111351030A CN 111351030 A CN111351030 A CN 111351030A CN 202010220449 A CN202010220449 A CN 202010220449A CN 111351030 A CN111351030 A CN 111351030A
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- fixedly connected
- boiler
- combustion chamber
- cyclone
- combustion
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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
- F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
- F23C5/08—Disposition of burners
- F23C5/32—Disposition of burners to obtain rotating flames, i.e. flames moving helically or spirally
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1892—Systems therefor not provided for in F22B1/1807 - F22B1/1861
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/36—Water and air preheating systems
-
- 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
- F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
- F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
Abstract
The invention discloses a cyclone-type airflow field combustion liquid slag-removing multifunctional boiler which comprises a cyclone combustion chamber, wherein the bottom of an annular tangential burner is fixedly connected with a hearth, the top of the hearth is fixedly connected with a primary air inlet, the left side of the bottom of the cyclone combustion chamber is fixedly connected with a transition flue, the right side of the transition flue is fixedly connected with a second combustion chamber, the right side of the second combustion chamber is fixedly connected with a boiler, the top of the interior of the boiler is fixedly connected with a first economizer, and the bottom of the boiler is fixedly connected with a multifunctional boiler base. This multi-functional boiler of liquid sediment of whirlwind formula air current field burning is provided with furnace, and furnace has very high section hot strength and furnace temperature, can effectually make the ash content melt, flows down along furnace's inner wall, discharges from the liquid sediment discharge port at last, and the raw materials can be regarded as to discharged liquid sediment for the production of other products has improved the device's liquid sediment effect of changing waste into valuables greatly.
Description
Technical Field
The invention relates to the technical field of multifunctional boilers, in particular to a multifunctional boiler for combusting liquid slag in a cyclone airflow field.
Background
The boiler is a common heating device, a boiler body is a main part of boiler equipment and consists of a boiler and a furnace, wherein the boiler is a steam-water system and is mainly used for absorbing heat emitted by fuel to heat and evaporate water and finally change the water into superheated steam with certain parameters.
The existing boiler has higher requirements on fuel combustion, and has high operation cost caused by difficult combustion of fuels with low volatile components and low heat values. For fuels with low volatile content and high fixed carbon, a common boiler is difficult to treat, a large amount of solid waste is generated, and energy waste and environmental pollution are caused.
Disclosure of Invention
The invention aims to provide a multifunctional boiler for combustion liquid slag removal in a cyclone airflow field, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a cyclone-type airflow field combustion liquid slag-removing multifunctional boiler comprises a cyclone combustion chamber, wherein the top of the cyclone combustion chamber is fixedly connected with a feed inlet assembly, the bottom of the feed inlet assembly is fixedly connected with an annular cutting burner, the bottom of the annular cutting burner is fixedly connected with a hearth, the top of the hearth is fixedly connected with a primary air inlet, the bottom of the primary air inlet is fixedly connected with a secondary air inlet, the bottom of the cyclone combustion chamber is fixedly connected with a liquid slag discharge port, the left side of the bottom of the cyclone combustion chamber is fixedly connected with a transition flue, the right side of the transition flue is fixedly connected with a second combustion chamber, the interior of the second combustion chamber is fixedly connected with a second combustion chamber and a membrane wall, the lower ends of the middle parts of the interior of the second combustion chamber and the membrane wall are fixedly connected with a tertiary air inlet, and the tops of the second combustion chamber and the membrane wall are fixedly connected with a, the right side fixedly connected with boiler of second combustion chamber, the first economizer of inside top fixedly connected with of boiler, the first air heater of bottom fixedly connected with of first economizer, the bottom fixedly connected with second economizer of first air heater, the bottom fixedly connected with second economizer of second economizer, the right side fixedly connected with flue gas discharge port of second air heater, the bottom fixedly connected with multifunctional boiler base of boiler.
Preferably, the number of the feed inlets is four, and the number of the secondary air inlets is six.
Preferably, the upper end of the middle part of the cyclone combustion chamber is fixedly connected with a primary air inlet and a secondary air inlet.
Preferably, the interior of the second combustion chamber is fixedly connected to the interior of the boiler.
Preferably, the bottom of the interior of the boiler is fixedly connected with a second air preheater, and the right side of the bottom of the boiler is fixedly connected with a flue gas discharge port.
Preferably, the left side of the bottom of the cyclone combustion chamber is fixedly connected with a second combustion chamber.
Compared with the prior art, the invention has the beneficial effects that:
(1) the multifunctional boiler for the combustion and liquid-state slag removal of the cyclone airflow field is provided with a primary air inlet and a secondary air inlet, the staff firstly puts the inferior coal powder and the residual carbon through a feed inlet assembly, then enters an annular cutting jet burner through a wind conveying system of the primary air inlet, and is sprayed into a cyclone combustion chamber through the annular cutting jet burner in a gas-solid mixing manner, and then enters the cyclone combustion chamber through the secondary air inlet at a high speed, so that the combustion process is strengthened, carbon in the residual carbon in the coal powder and fly ash and oxygen in the air are subjected to a strong oxidation combustion reaction, and the combustion efficiency and the carbon conversion rate of the device are greatly improved.
(2) This multi-functional boiler of liquid sediment of whirlwind formula air current field burning is provided with furnace, and furnace has very high section hot strength and furnace temperature, can effectually make the ash content melt, flows down along furnace's inner wall, discharges from the liquid sediment discharge port at last, and the raw materials can be regarded as to discharged liquid sediment for the production of other products has improved the device's liquid sediment effect of changing waste into valuables greatly.
(3) The multifunctional boiler for the cyclone type airflow field combustion liquid slag removal is provided with a second combustion chamber and a boiler, generated smoke enters the second combustion chamber through a transition flue, air enters from a tertiary air inlet and is mixed with the smoke, so that fuel with complete carbon reaction in the smoke is completely combusted, a large amount of heat energy is generated in the second combustion chamber, the heat energy heats a water pipe, steam is generated in a boiler steam pocket, high-temperature smoke enters the boiler and finally is discharged through a smoke outlet through a first economizer, a first air preheater, a second economizer and a second air preheater, the smoke after filtration reaches the environmental protection standard of discharge through the previous combustion and evaporation, the smoke reaches the environmental protection standard of discharge, the residual three wastes can be treated while the carbon heat energy is recovered, and the multifunctional boiler realizes the multifunctional and multipurpose functions and simultaneously guarantees the quality of smoke discharge.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic view of the internal structure of the cyclone combustion chamber taken from FIG. 1;
FIG. 5 is a top view of the cyclone combustion chamber taken from FIG. 2.
In the figure: the boiler comprises a cyclone combustion chamber 1, a feed inlet 2, a 3-ring-shaped tangential burner, a 4-hearth, a 5-primary air inlet, a 6-secondary air inlet, a 7-liquid slag discharge port, an 8-transition flue, a 9-second combustion chamber, a 10-second combustion chamber, a membrane wall, a 11-tertiary air inlet, a 12-boiler steam drum, a 13-boiler, a 14-first economizer, a 15-first air preheater, a 16-second economizer, a 17-second air preheater, a 18-flue gas discharge port and a 19-functional boiler base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a cyclone type airflow field combustion liquid slag discharging multifunctional boiler comprises a cyclone combustion chamber 1, wherein a second combustion chamber 9 is fixedly connected to the left side of the bottom of the cyclone combustion chamber 1, a feed inlet assembly 2 is fixedly connected to the top of the cyclone combustion chamber 1, the number of the feed inlet assembly 2 is four, six secondary air inlets 6 are formed, the bottom of the feed inlet assembly 2 is fixedly connected with an annular cutting burner 3, the annular cutting burner 3 is fixedly connected with a hearth 4, the hearth 4 has high section heat intensity and hearth temperature, ash can be effectively melted, ash can flow down along the inner wall of the hearth 4 and is finally discharged from a liquid slag discharge port 7, discharged liquid slag can be used as a raw material for producing other products, the effect of changing liquid slag into things of value of the device is greatly improved, a primary air inlet 5 is fixedly connected to the top of the hearth 4, a primary air inlet 5 and a secondary air inlet 6 are fixedly connected to the upper end of the middle of the cyclone combustion chamber 1, the bottom of the primary air inlet 5 is fixedly connected with a secondary air inlet 6, the staff firstly puts the inferior coal dust and the carbon residue into the cyclone combustion chamber 1 through the feeding port assembly 2, then the inferior coal dust and the carbon residue enter the annular cutting burner 3 through the wind power conveying system of the primary air inlet 5, the inferior coal dust and the carbon residue are injected into the cyclone combustion chamber 1 through the annular cutting burner 3, the inferior coal dust and the carbon residue are mixed and injected into the cyclone combustion chamber 1 through the annular cutting burner 3, then the inferior coal dust and the carbon residue enter the cyclone combustion chamber 1 through the secondary air inlet 6 at a high speed, the combustion process is strengthened, carbon residue in the coal dust and the fly ash and oxygen in the air are subjected to strong oxidation combustion reaction, the combustion efficiency and the carbon conversion rate of the device are greatly improved, the bottom of the cyclone combustion chamber 1 is fixedly connected with a liquid slag discharge pipe, the middle part of the liquid slag discharge, the interior of the second combustion chamber 9 is fixedly connected with the interior of a boiler 13, the generated flue gas enters the second combustion chamber 9 through a transition flue 8, air enters from a tertiary air inlet 11 and is mixed with the flue gas, so that the fuel with complete carbon reaction in the flue gas is burnt out, a large amount of heat energy is generated in the second combustion chamber 9, the heat energy heats a water pipe, steam is generated in a boiler steam pocket 12, high-temperature flue gas enters the boiler 13, the filtered flue gas is discharged through a flue gas discharge port 18 through a first economizer 16, a first air preheater 15, a second economizer 16 and a second air preheater 17, the flue gas reaches the environmental protection standard of discharge through the previous combustion and evaporation, the 'three wastes' can be treated while the residual carbon heat energy is recovered, the device realizes the multifunctional and multipurpose functions, simultaneously guarantees the quality of the discharged flue gas, the second combustion chamber and a membrane wall 10 are fixedly connected with the interior of the second combustion chamber 9, the lower end of the middle part of the inside of the second combustion chamber and the membrane wall 11 is fixedly connected with a tertiary air inlet 11, the inside of the second combustion chamber and the membrane wall 10 is fixedly connected with a water pipe, the fly ash, the slag and the low volatile inferior coal are used as fuel for combustion, the residual carbon of the fly ash of the gasification furnace is burnt out to release heat to heat water to produce steam, the ash is fully melted into liquid and discharged, the top of the water pipe is fixedly connected with a boiler steam pocket 12, the bottom of the water pipe is fixedly connected with a water injection tank, the right side of the second combustion chamber 9 is fixedly connected with a boiler 13, the inside of the boiler 13 is fixedly connected with a boiler inner container, the top of the inside of the boiler 13 is fixedly connected with a first economizer 14, the bottom of the first economizer 14 is fixedly connected with a first air preheater 15, the inside of the first air preheater 15 and the second air preheater 17 is fixedly connected with a water pipe, the bottom of the first air preheater 15 is, the bottom fixedly connected with second air heater 17 of second economizer 16, the inside bottom fixedly connected with second air heater 17 of boiler 13, boiler 13 bottom right side fixedly connected with flue gas discharge port 18, the right side fixedly connected with flue gas discharge port 18 of second air heater 17, the bottom fixedly connected with multifunctional boiler base 19 of boiler 13.
The working principle is as follows: before the multifunctional boiler for the cyclone type airflow field combustion liquid slag removal is used, inferior coal powder and carbon residue are firstly put in through a feeding hole assembly 2, then enter an annular cutting burner 3 through a wind power conveying system of a primary air inlet 5, are mixed and sprayed into a cyclone combustion chamber 1 through gas-solid mixing of the annular cutting burner 3, a controllable, stable and efficient rotary airflow field is artificially generated, a strong heat and mass transfer process is generated in the airflow field, wind enters the cyclone combustion chamber 1 from a secondary air inlet 6 at a high speed to strengthen the combustion process, carbon in the carbon residue in the coal powder and fly ash and oxygen in the air are subjected to a strong oxidation combustion reaction, the cyclone combustion chamber 1 has high section heat intensity and hearth 4 temperature, ash content is melted and is discharged along the inner wall of the hearth 4, generated smoke enters a second combustion chamber 9 through a transition flue 8, and wind enters from a tertiary air inlet 11, the mixed gas is mixed with the flue gas, so that the fuel in the flue gas which is completely reacted with coal is burnt out, the high-temperature flue gas enters the boiler 13 to produce steam, and the multifunctional boiler for the combustion of the cyclone airflow field and the liquid-state slag removal can complete the work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a multi-functional boiler of liquid sediment of whirlwind formula air current field burning, includes whirlwind combustion chamber (1), its characterized in that: the top of the cyclone combustion chamber (1) is fixedly connected with a feed inlet component (2), the bottom of the feed inlet component (2) is fixedly connected with an annular cutting nozzle (3), the annular cutting nozzle is fixedly connected with a hearth (4) towards the bottom of the burner (3), the top of the hearth (4) is fixedly connected with a primary air inlet (5), the bottom of the primary air inlet (5) is fixedly connected with a secondary air inlet (6), the bottom of the cyclone combustion chamber (1) is fixedly connected with a liquid slag outlet (7), the left side of the bottom of the cyclone combustion chamber (1) is fixedly connected with a transition flue (8), the right side of the transition flue (8) is fixedly connected with a second combustion chamber (9), the inside of the second combustion chamber (9) is fixedly connected with a second combustion chamber and a membrane wall (10), and the lower end of the middle part inside of the second combustion chamber and the membrane wall (10) is fixedly connected with a tertiary air inlet (11), the utility model discloses a boiler, including the top fixedly connected with boiler drum (12) of second combustion chamber and diaphragm wall (10), the right side fixedly connected with boiler (13) of second combustion chamber (9), the first economizer (14) of the inside top fixedly connected with of boiler (13), the first air heater (15) of the bottom fixedly connected with of first economizer (14), the bottom fixedly connected with second economizer (16) of first air heater (15), the bottom fixedly connected with second air heater (17) of second economizer (16), the right side fixedly connected with flue gas discharge port (18) of second air heater (17), the bottom fixedly connected with multifunctional boiler base (19) of boiler (13).
2. The multifunctional boiler for liquid slag discharging in combustion of cyclone type airflow field according to claim 1, characterized in that: the number of the feed inlet components (2) is four, and the number of the secondary air inlets (6) is six.
3. The multifunctional boiler for liquid slag discharging in combustion of cyclone type airflow field according to claim 1, characterized in that: the upper end of the middle part of the cyclone combustion chamber (1) is fixedly connected with a primary air inlet (5) and a secondary air inlet (6).
4. The multifunctional boiler for liquid slag discharging in combustion of cyclone type airflow field according to claim 1, characterized in that: the interior of the second combustion chamber (9) is fixedly connected with the interior of the boiler (13).
5. The multifunctional boiler for liquid slag discharging in combustion of cyclone type airflow field according to claim 1, characterized in that: the bottom of the interior of the boiler (13) is fixedly connected with a second air preheater (17), and the right side of the bottom of the boiler (13) is fixedly connected with a flue gas outlet (18).
6. The multifunctional boiler for liquid slag discharging in combustion of cyclone type airflow field according to claim 1, characterized in that: the left side of the bottom of the cyclone combustion chamber (1) is fixedly connected with a second combustion chamber (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010220449.4A CN111351030A (en) | 2020-03-25 | 2020-03-25 | Cyclone type airflow field combustion liquid state slag discharging multifunctional boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010220449.4A CN111351030A (en) | 2020-03-25 | 2020-03-25 | Cyclone type airflow field combustion liquid state slag discharging multifunctional boiler |
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| CN111351030A true CN111351030A (en) | 2020-06-30 |
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| CN202010220449.4A Pending CN111351030A (en) | 2020-03-25 | 2020-03-25 | Cyclone type airflow field combustion liquid state slag discharging multifunctional boiler |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19505753A1 (en) * | 1995-02-20 | 1996-08-22 | Abb Research Ltd | Pollution-free liquid-fuel combustion system in boiler |
| CN201043745Y (en) * | 2007-05-24 | 2008-04-02 | 巩义市正大机械厂 | vertical air-cooling low-dust liquid pulverized coal combustion device |
| CN101392957A (en) * | 2008-11-04 | 2009-03-25 | 首钢总公司 | Full BF gas hot blast furnace |
| CN102425787A (en) * | 2011-12-02 | 2012-04-25 | 沈阳汇丰生物能源发展有限公司 | Liquid slag trapping biomass combustion device and method |
| CN103411210A (en) * | 2013-08-05 | 2013-11-27 | 珠海查理科技节能环保有限公司 | Vertical fire whirl combustion device |
| CN204240346U (en) * | 2014-11-18 | 2015-04-01 | 国家电网公司 | Fluidized-bed combustion boiler external bed whirlwind fluidization system |
| JP2015108462A (en) * | 2013-12-03 | 2015-06-11 | 大阪瓦斯株式会社 | Combustion method for burner for forming tubular flame, and burner for forming tubular flame |
| CN108278617A (en) * | 2018-03-06 | 2018-07-13 | 上海发电设备成套设计研究院有限责任公司 | Municipal refuse cyclone burning system and its coupling coal fired power plant electricity generation system and method |
-
2020
- 2020-03-25 CN CN202010220449.4A patent/CN111351030A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19505753A1 (en) * | 1995-02-20 | 1996-08-22 | Abb Research Ltd | Pollution-free liquid-fuel combustion system in boiler |
| CN201043745Y (en) * | 2007-05-24 | 2008-04-02 | 巩义市正大机械厂 | vertical air-cooling low-dust liquid pulverized coal combustion device |
| CN101392957A (en) * | 2008-11-04 | 2009-03-25 | 首钢总公司 | Full BF gas hot blast furnace |
| CN102425787A (en) * | 2011-12-02 | 2012-04-25 | 沈阳汇丰生物能源发展有限公司 | Liquid slag trapping biomass combustion device and method |
| CN103411210A (en) * | 2013-08-05 | 2013-11-27 | 珠海查理科技节能环保有限公司 | Vertical fire whirl combustion device |
| JP2015108462A (en) * | 2013-12-03 | 2015-06-11 | 大阪瓦斯株式会社 | Combustion method for burner for forming tubular flame, and burner for forming tubular flame |
| CN204240346U (en) * | 2014-11-18 | 2015-04-01 | 国家电网公司 | Fluidized-bed combustion boiler external bed whirlwind fluidization system |
| CN108278617A (en) * | 2018-03-06 | 2018-07-13 | 上海发电设备成套设计研究院有限责任公司 | Municipal refuse cyclone burning system and its coupling coal fired power plant electricity generation system and method |
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Application publication date: 20200630 |
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