CN111536492A - Double-drum longitudinal chamber combustion biomass gas and natural gas boiler - Google Patents

Double-drum longitudinal chamber combustion biomass gas and natural gas boiler Download PDF

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Publication number
CN111536492A
CN111536492A CN202010536609.6A CN202010536609A CN111536492A CN 111536492 A CN111536492 A CN 111536492A CN 202010536609 A CN202010536609 A CN 202010536609A CN 111536492 A CN111536492 A CN 111536492A
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CN
China
Prior art keywords
combustion chamber
boiler
chamber
natural gas
biomass
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
Application number
CN202010536609.6A
Other languages
Chinese (zh)
Inventor
曹希新
周跃兵
刘红斌
牛庆好
娄经松
刘新龙
邹友民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Chang Hong Boiler Technology Co ltd
Original Assignee
Hunan Chang Hong Boiler Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Chang Hong Boiler Technology Co ltd filed Critical Hunan Chang Hong Boiler Technology Co ltd
Priority to CN202010536609.6A priority Critical patent/CN111536492A/en
Publication of CN111536492A publication Critical patent/CN111536492A/en
Pending legal-status Critical Current

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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
    • F22B1/22—Methods of steam generation characterised by form of heating method using combustion under pressure substantially exceeding atmospheric pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B23/00—Water-tube boilers built-up from sets of spaced double-walled water tubes of return type in unilateral abutting connection with a boiler drum or with a header box, i.e. built-up from Field water tubes comprising an inner tube arranged within an outer unilaterally-closed tube
    • 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
    • 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 
    • F23C1/00—Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in a carrier gas or air
    • F23C1/04—Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in a carrier gas or air lump and gaseous fuel
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00—Heating of air supplied for combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M11/00—Safety arrangements
    • F23M11/04—Means for supervising combustion, e.g. windows
    • F23M11/045—Means for supervising combustion, e.g. windows by observing the flame
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00—Preventing emissions
    • F23J2215/10—Nitrogen; Compounds thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

A double-drum longitudinally-arranged chamber-fired biomass gas and natural gas boiler relates to the technical field of boilers and comprises a combustion chamber, the setting is at the combustion chamber rear side and with the boiler room of combustion chamber intercommunication, be provided with two drums along vertically in the boiler room, the drum is connected with the inlet tube, the boiler room is connected with the exhaust pipe, the exhaust pipe is connected with the exhaust fan, be equipped with the economizer of connecting the inlet tube and being used for heating the water in the inlet tube on the exhaust pipe, the left end of combustion chamber is equipped with the combustor, the combustor is biomass burner or natural gas burner, the combustor is connected with first air-blower through the air-supply line, be equipped with air heater on the exhaust pipe, the combustion chamber is provided with a plurality of overgrate air interfaces along its length direction interval, the combustion chamber is equipped with the denitration takeover that is used for connecting aqueous ammonia sprinkler, the front side of combustion chamber is equipped with main peeping device, the right-hand member. The invention is applicable to biomass fuel and natural gas fuel, and can effectively reduce the emission of nitrogen oxides.

Description

Double-drum longitudinal chamber combustion biomass gas and natural gas boiler
Technical Field
The invention relates to the technical field of boilers, in particular to a double-drum longitudinally-arranged chamber-fired biomass gas and natural gas boiler.
Background
The boiler is an energy converter, which is a device for heating working medium water or other fluids to certain parameters by using heat energy released by fuel combustion or other heat energy. The existing boilers in the market are boilers which only can use single fuel, such as biomass-fired boilers and natural gas-fired boilers, and the limitations of the boilers are reflected in the environment of increasingly tense energy sources. In addition, the tail flue gas of the existing boiler always has high-concentration nitrogen oxides, which causes obvious pollution to the atmospheric environment.
Disclosure of Invention
The invention aims to provide a double-drum longitudinally-arranged chamber-fired biomass gas and natural gas boiler which is suitable for biomass fuel and natural gas fuel and can effectively reduce the emission of nitrogen oxides.
In order to solve the technical problems, the invention adopts the following technical scheme: a double-boiler-barrel longitudinally-arranged type chamber-fired biomass gas and natural gas boiler comprises a combustion chamber and a boiler chamber arranged at the rear side of the combustion chamber and communicated with the combustion chamber, wherein two boiler barrels are longitudinally arranged in the boiler chamber, the two boiler barrels are connected with each other through water wall pipes distributed around the inside of the boiler chamber, the boiler barrel is connected with a water inlet pipe, the boiler chamber is connected with a smoke exhaust pipeline, the smoke exhaust pipeline is connected with an exhaust fan, an energy saver connected with the water inlet pipe and used for heating water in the water inlet pipe is arranged on the smoke exhaust pipeline, a combustor is arranged at the left end of the combustion chamber and is a biomass combustor or a natural gas combustor, the combustor is connected with a first air blower through an air inlet pipe, an air preheater connected with an air inlet pipe is arranged on the smoke exhaust pipeline, a plurality of secondary air interfaces are arranged at intervals along the length direction of the combustion chamber, the secondary air interface connection has the second air-blower, the combustion chamber is equipped with the denitration takeover that is used for connecting aqueous ammonia sprinkler, the front side of combustion chamber is equipped with main peeping device, be connected with the soot blower on the main peeping device, the right-hand member of combustion chamber is equipped with overhauls the device.
Further, the combustion chamber is provided with an explosion-proof device, and the explosion-proof device is positioned at the top of the combustion chamber.
Preferably, the combustion chamber has a rectangular parallelepiped shape and a length greater than a height.
More preferably, the service device comprises a service door arranged at the right end of the combustion chamber and a tail peeping device arranged on the service door.
More preferably, the main sight means is near the left end of the combustion chamber.
More preferably, the external periphery of the combustion chamber and the boiler chamber is wrapped with heat insulation materials.
More preferably, hand escalators are arranged on the left side and the right side of the boiler room, and a platform escalator connected with the hand escalators is arranged at the top of the boiler room.
More preferably, the smoke exhaust pipeline is horizontally arranged at the rear side of the boiler room, and the tail end of the smoke exhaust pipeline is also connected with a chimney.
The invention has the beneficial effects that: the combustor of the boiler can be switched into a biomass combustor or a natural gas combustor according to the requirement, so that the boiler is suitable for two fuels, namely biomass fuel and natural gas fuel; moreover, a plurality of secondary air interfaces are arranged at intervals along the length direction of the combustion chamber, each secondary air interface can provide oxygen for the combustion chamber through a second air blower, and therefore the combustion chamber can still have enough oxygen when being designed into a longer structure; in addition, because the denitration connecting pipe used for connecting the ammonia water spraying device is arranged, ammonia water can be sprayed into the combustion chamber through the denitration connecting pipe in the working process of the boiler, so that the content of nitrogen oxides in tail-discharged flue gas is effectively reduced, and the purposes of improving the environment and reducing the emission concentration of pollutants are achieved; in addition, the flame combustion condition can be directly observed through the main peeping device on the front side of the combustion chamber, so that working conditions in the combustion chamber can be conveniently monitored by workers in real time, and dust in the main peeping device can be cleaned by spraying compressed air into the soot blowing pipe; finally, because the energy saver and the air preheater are arranged, the energy consumption is fully utilized, the overall efficiency of the boiler is improved, and the final exhaust gas temperature is lower.
Drawings
FIG. 1 is a schematic overall structure diagram in an embodiment of the present invention;
FIG. 2 is a schematic top view of the overall structure of the embodiment;
fig. 3 is an enlarged schematic view of the structure at a in fig. 1.
The reference signs are:
1-combustion chamber 2-boiler chamber 3-boiler barrel
4-water inlet pipe 5-smoke exhaust pipe 6-first blower
7-energy saver 8-burner 9-air inlet pipe
10-air preheater 11-secondary air interface 12-denitration connecting pipe
13-main peeping device 14-exhaust fan 15-maintenance device
15a, an access door 15b, a tail part peeping device 16 and an explosion-proof device
17-heat insulation material 18-hand staircase 19-platform staircase
20-chimney.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Further, in the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not in direct contact, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.
As shown in fig. 1-2, a double-drum longitudinally-arranged type chamber-fired biomass gas and natural gas boiler comprises a combustion chamber 1, a boiler chamber 2 arranged at the rear side of the combustion chamber 1 and communicated with the combustion chamber 1, two drums 3 longitudinally arranged in the boiler chamber 2, the two drums 3 connected through water-cooling wall pipes distributed around the interior of the boiler chamber 2, the drums 3 connected with a water inlet pipe 4, the boiler chamber 2 connected with a smoke exhaust pipe 5, the smoke exhaust pipe 5 connected with an exhaust fan 14, the smoke exhaust pipe 5 provided with an economizer 7 connected with the water inlet pipe 4 and used for heating water in the water inlet pipe 4, the left end of the combustion chamber 1 provided with a burner 8, the burner 8 being a biomass burner or a natural gas burner, the burner 8 connected with a first air inlet pipe 6 through an air blower 9, the smoke exhaust pipe 5 provided with an air preheater 10 connected with an air inlet pipe 9, the combustion chamber 1 provided with a plurality of secondary air ports 11 at intervals along the length direction thereof, the secondary air interface 11 is connected with a second air blower (not shown in the attached drawings), the combustion chamber 1 is provided with a denitration connecting pipe 12 used for being connected with an ammonia water spraying device, the front side of the combustion chamber 1 is provided with a main peeping device 13, the main peeping device 13 is connected with an ash blowing pipe (not shown in the attached drawings), and the right end of the combustion chamber 1 is provided with an overhauling device 15.
The working principle of the double-drum longitudinally-arranged type chamber-fired biomass gas and natural gas boiler provided by the embodiment is that firstly, deaerated water enters the water inlet pipe 4 and is fed into the drum 3, then the first air blower 6 starts to supply air, the air enters the combustor 8 from the air inlet pipe 9, then the combustor is started to combust the fuel, and further the combustion chamber is filled with high-temperature flue gas, meanwhile, the second air blower is started to convey stronger wind power into the combustor 8, so that not only can sufficient oxygen be provided, but also the air flow in the combustion chamber 8 can be disturbed, the fuel is combusted more fully, the oxygen supply of the combustion chamber 8 is smoother, meanwhile, ammonia water is sprayed into the combustion chamber 1 through the denitration connecting pipe 12, the content of nitrogen oxides in tail-discharged flue gas is effectively reduced, and deaerated water fed into the drum 3 from one end of the water inlet pipe 4 through the water feeding device can pass through the economizer 7 to be preheated before entering the drum 3, high temperature flue gas enters into boiler room 2 back and carries out the heat exchange with water wall pipe and boiler barrel 3 for the temperature risees and then produces steam, can set up the steam valve at the top of boiler barrel 3 and use with the exhaust steam, and the tail gas of production then enters into exhaust pipe 5, by energy-saving appliance 7 and air heater 10 make full use of before discharging, and the fuel burning of this boiler structure is abundant, and the thermal efficiency is high, can be at near under the state steady operation of full load even full load.
It should be noted that, as will be understood by those skilled in the art, the burner 8 is detachably connected to the combustion chamber 1, so that a material burner or a natural gas burner can be selected according to actual needs before actual use, and is suitable for biomass fuel or natural gas fuel, because the combustion chamber 1 is provided with a plurality of secondary air ports 11 at intervals along the length direction thereof, each secondary air port 11 can provide oxygen for the combustion chamber 1 through a second blower, which enables the combustion chamber 1 to have a sufficient oxygen amount inside when being designed into a longer structural shape, and the combustion chamber 1 with the longer structural shape can be fully adapted to long and thin flames generated when the natural gas burner burns natural gas fuel, and in addition, because a double-boiler longitudinally-arranged structure is used, the combustion chamber 1 correspondingly matched with the longer structural shape can also have a more ideal height, and the width of the combustion chamber 1 is slightly increased, so that the space of the combustion chamber 1 can also be well adapted to the short and thick flame generated when the biomass burner burns the biomass fuel.
Further, the combustion chamber 1 is further provided with an explosion-proof device 16, when the pressure in the combustion chamber 1 is too high, the explosion-proof door 16 can be automatically opened to release the pressure, so that the safety factor of the whole boiler is improved, and a person skilled in the art should know that the explosion-proof door 16 for releasing the pressure is actually a common structure in the prior art, the structure of the explosion-proof door is not specifically limited in the embodiment, and the explosion-proof device 16 in the embodiment is located at the top of the combustion chamber 1, so that when the explosion-proof device 16 is accidentally opened due to emergency pressure release, the damage to people and articles beside the explosion-proof door can be greatly reduced.
Preferably, the combustion chamber 1 is rectangular and has a length greater than a height, and just because the combustion chamber 1 is provided with a plurality of secondary air interfaces 11 at intervals along the length direction thereof, the combustion chamber 1 can be designed into a longer rectangular structure, in the present embodiment, the number of the secondary air interfaces 11 is set to 3, and in the actual use process, the 3 secondary air interfaces 11 can be connected to the same second blower through a pipeline, of course, each secondary air interface 11 can be separately connected to one second blower, so that the second blowers can be selectively started, and when a certain second blower fails, the other second blowers can still continue to work.
More preferably, as shown in fig. 3, the maintenance device 15 includes an access door 15a installed at the right end of the combustion chamber 1 and a rear viewing device 15b installed on the access door 15a, and the maintenance device is firstly installed at the right end of the combustion chamber 1, that is, at the rear of the furnace, so that a worker can enter the combustion chamber 1 to perform maintenance by opening the access door 15a during maintenance, but since the combustion chamber 1 in the present embodiment can be designed to be a long structure, the rear viewing device 15b is further installed on the access door 15a at the rear of the combustion chamber 1, and the combustion condition of the flame can be conveniently observed from the rear of the combustion chamber 1.
On the basis, the main peeping device 13 can be arranged at a position close to the left end of the combustion chamber 1, so that the two peeping devices can respectively view the combustion condition of the internal flame from the front end and the rear end of the combustion chamber 1, and in addition, the tail peeping device 15b can also be provided with an ash blowing pipe.
It should be further noted that the main sight apparatus 13 and the rear sight apparatus 15b may actually be constructed as an observation window structure commonly used in the prior art, for example, a cylindrical structure extending outward is provided on the wall of the combustion chamber 1, heat-resistant glass is provided at the outermost end of the cylindrical structure for observing the internal condition of the combustion chamber 1, and the soot blowing pipe may communicate with the cylindrical structure, so that compressed air may rapidly flow in the cylindrical structure by injecting compressed air into the soot blowing pipe, thereby easily blowing off dust on the inner surface of the cylindrical structure and the heat-resistant glass.
Preferably, the combustion chamber 1 and the boiler chamber 2 are wrapped with heat insulating materials 17 around the outside thereof to improve the internal heat insulating effect of the combustion chamber 1 and the boiler chamber 2.
More preferably, handrails 18 are disposed on the left and right sides of the boiler room 2, and a platform rail 19 connected to the handrails 18 is disposed on the top of the boiler room 2, so that the operation of maintenance and the like by workers is facilitated.
In the present embodiment, the smoke exhaust duct 5 is horizontally disposed at the rear side of the boiler room 2, and a chimney 20 is connected to the end of the smoke exhaust duct 5.
The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.
Some of the drawings and descriptions of the present invention have been simplified to facilitate the understanding of the improvements over the prior art by those skilled in the art, and some other elements have been omitted from this document for the sake of clarity, and it should be appreciated by those skilled in the art that such omitted elements may also constitute the subject matter of the present invention.

Claims (8)

1. The utility model provides a double-drum indulges formula room and fires living beings gas and natural gas boiler, includes combustion chamber (1), sets up boiler room (2) in combustion chamber (1) rear side and with combustion chamber (1) intercommunication, its characterized in that: the boiler is characterized in that two drums (3) are longitudinally arranged in the boiler chamber (2), the two drums (3) are connected with each other through water wall pipes distributed on the periphery of the inside of the boiler chamber (2), the drums (3) are connected with a water inlet pipe (4), the boiler chamber (2) is connected with a smoke exhaust pipeline (5), the smoke exhaust pipeline (5) is connected with an exhaust fan (14), an energy saver (7) which is connected with the water inlet pipe (4) and used for heating water in the water inlet pipe (4) is arranged on the smoke exhaust pipeline (5), a burner (8) is arranged at the left end of the combustion chamber (1), the burner (8) is a biomass burner or a natural gas burner, the burner (8) is connected with a first air blower (6) through an air inlet pipe (9), an air preheater (10) connected with the air inlet pipe (9) is arranged on the smoke exhaust pipeline (5), and a plurality of secondary air interfaces (11) are arranged at intervals along the length direction of the combustion chamber (, secondary air interface (11) are connected with the second air-blower, combustion chamber (1) is equipped with denitration takeover (12) that are used for connecting aqueous ammonia sprinkler, the front side of combustion chamber (1) is equipped with main peeping device (13), be connected with the soot blower on main peeping device (13), the right-hand member of combustion chamber (1) is equipped with overhauls device (15).
2. The dual-drum longitudinal chamber biomass gas and natural gas fired boiler of claim 1, wherein: the combustion chamber (1) is provided with an explosion-proof device (16), and the explosion-proof device (16) is positioned at the top of the combustion chamber (1).
3. The dual-drum longitudinal chamber biomass gas and natural gas fired boiler of claim 1, wherein: the combustion chamber (1) is cuboid and the length of the combustion chamber is greater than the height of the combustion chamber.
4. The dual-drum longitudinal chamber biomass gas and natural gas fired boiler of claim 3, wherein: the maintenance device (15) comprises an maintenance door (15 a) arranged at the right end of the combustion chamber (1) and a tail peeping device (15 b) arranged on the maintenance door (15 a).
5. The dual-drum longitudinal chamber biomass gas and natural gas fired boiler of claim 4, wherein: the main peeping device (13) is close to the left end of the combustion chamber (1).
6. The dual-drum longitudinal chamber biomass gas and natural gas fired boiler of claim 1, wherein: the heat insulation materials (17) are wrapped around the outside of the combustion chamber (1) and the boiler chamber (2).
7. The dual-drum longitudinal chamber biomass gas and natural gas fired boiler of claim 1, wherein: hand escalators (18) are arranged on the left side and the right side of the boiler room (2), and a platform escalator (19) connected with the hand escalators (18) is arranged at the top of the boiler room (2).
8. The dual-drum longitudinal chamber biomass gas and natural gas fired boiler of claim 1, wherein: the smoke exhaust pipeline (5) is horizontally arranged at the rear side of the boiler room (2), and the tail end of the smoke exhaust pipeline (5) is also connected with a chimney (20).
CN202010536609.6A 2020-06-12 2020-06-12 Double-drum longitudinal chamber combustion biomass gas and natural gas boiler Pending CN111536492A (en)

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Application Number Priority Date Filing Date Title
CN202010536609.6A CN111536492A (en) 2020-06-12 2020-06-12 Double-drum longitudinal chamber combustion biomass gas and natural gas boiler

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Application Number Priority Date Filing Date Title
CN202010536609.6A CN111536492A (en) 2020-06-12 2020-06-12 Double-drum longitudinal chamber combustion biomass gas and natural gas boiler

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CN111536492A true CN111536492A (en) 2020-08-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114738720A (en) * 2022-04-15 2022-07-12 湖南长宏锅炉科技股份有限公司 Smoke circulating reciprocating grate combustion biomass steam boiler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114738720A (en) * 2022-04-15 2022-07-12 湖南长宏锅炉科技股份有限公司 Smoke circulating reciprocating grate combustion biomass steam boiler

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