CN108050854A - Burner gas feeding mechanism and melting holding furnace - Google Patents
Burner gas feeding mechanism and melting holding furnace Download PDFInfo
- Publication number
- CN108050854A CN108050854A CN201810048229.0A CN201810048229A CN108050854A CN 108050854 A CN108050854 A CN 108050854A CN 201810048229 A CN201810048229 A CN 201810048229A CN 108050854 A CN108050854 A CN 108050854A
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- Prior art keywords
- burner
- heat collector
- collector cavity
- outer tube
- gas
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- 230000007246 mechanism Effects 0.000 title claims abstract description 56
- 238000002844 melting Methods 0.000 title claims description 26
- 230000008018 melting Effects 0.000 title claims description 26
- 239000007789 gas Substances 0.000 claims abstract description 143
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000003546 flue gas Substances 0.000 claims abstract description 67
- 230000033001 locomotion Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 10
- 239000002737 fuel gas Substances 0.000 claims description 7
- 238000004512 die casting Methods 0.000 abstract description 3
- 238000005058 metal casting Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 14
- 239000000567 combustion gas Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 7
- 239000000155 melt Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 239000002283 diesel fuel Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/66—Preheating the combustion air or gas
-
- 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
- F23L15/04—Arrangements of recuperators
-
- 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
The present invention provides a kind of burner gas feeding mechanism and holding furnace is melted, is related to the technical field of metal casting and die casting equipment.Burner gas feeding mechanism provided by the invention includes：Heat collector cavity and economizer bank, heat collector cavity are connected with the flue gas discharge opening of burner, and the flue gas of burner discharge is discharged by heat collector cavity；Economizer bank one end is connected with air supply system, and the other end is connected with the gas suction inlet of burner, and burning gases are supplied for burner；Economizer bank is connected with heat collector cavity, and the heat that the burning gases in economizer bank are absorbed in heat collector cavity enters burner.By burner gas feeding mechanism provided by the invention, the reluctant technical problem of flue gas that the burning present in gas burner of the prior art generates is alleviated.
Description
Technical field
The present invention relates to metal casting and the technical fields of die casting equipment, supply and fill more particularly, to a kind of burner gas
It puts and melts holding furnace.
Background technology
It is according to aluminium smelting technology and a kind of dissolving heat-preserving equipment for developing that aluminium alloy, which melts holding furnace, is mainly used for aluminium ingot
Fusing and heat preservation, can neatly meet the requirement of aluminium smelting technology.Aluminium alloy melts holding furnace mainly by melting chamber, heat preservation
Room, material taking mouth and heating unit composition, melting chamber is for melting aluminium ingot, moist closet is used to storing and standing molten aluminum.Aluminium alloy melts
Polytype heating unit can be used in solution holding furnace, and common heating unit includes electric furnace, char combustion stove, diesel oil combustion
Burn stove and gas burner.Various types of other heating unit can melt the usage scenario of holding furnace according to technological requirement and aluminium alloy
To select；Wherein, gas burner has many advantages, such as that heating temperature is easily controllable, fuel supply is convenient and cost is relatively low, therefore
It is widely applied.
Gas burner is that combustion gas and air are sent into combustion chamber to mix, and burning generates heat to be heated to melting chamber,
The flue gas that combustion gas and air burning generate is discharged by the flue gas discharge opening being connected with combustion chamber.The flue gas that gas burner generates
It is high-temperature gas, intractability is larger, and flue gas is generally directly discharged to external environment by gas burner of the prior art,
On the one hand adversely affected to external environment, disturb the normal activity of operating personnel, the heat quilt of another aspect flue gas in itself
It slatterns, is unfavorable for cost-effective and resource make full use of.
Therefore, there is the reluctant technical problem of flue gas that burning generates in gas burner of the prior art.
The content of the invention
It is an object of the invention to provide a kind of burner gas feeding mechanism and holding furnace is melted, to alleviate the prior art
In the reluctant technical problem of flue gas that generates of the existing burning of gas burner.
First aspect present invention provides a kind of burner gas feeding mechanism.Burner gas supply dress provided by the invention
Put including：Heat collector cavity and economizer bank, heat collector cavity are connected with the flue gas discharge opening of burner, and the flue gas of burner discharge passes through thermal-arrest
Chamber is discharged；Economizer bank one end is connected with air supply system, and the other end is connected with the gas suction inlet of burner, for burner supply combustion
Burn gas；Economizer bank is connected with heat collector cavity, and the heat that the burning gases in economizer bank are absorbed in heat collector cavity enters burner.
Further, economizer bank is stretched into heat collector cavity, and economizer bank is made from a material that be thermally conductive, and the heat in heat collector cavity can pass through
The tube wall of economizer bank is transferred in economizer bank.
Further, economizer bank includes inner sleeve and outer tube, and outer tube is stretched into heat collector cavity；Outer tube one end open,
The other end is closed；The both ends of inner sleeve are open；Outer tube is sheathed on inner sleeve, and one end of inner sleeve opening from outer tube
Mouth end is pierced by；The opening that inner sleeve is located at outside outer tube is connected with air supply system, and the opening of outer tube and the gas of burner are inhaled
Entrance connects, and the gas of air supply system supply can be located at the opening outside outer tube by inner sleeve and enter inner sleeve, pass through inner sleeve
The opening that pipe is located in outer tube enters outer tube, enters the gas suction inlet of burner by the opening of outer tube.
Further, inner sleeve is located at inner wall of the opening in outer tube close to outer tube blind end.
Further, burner gas feeding mechanism provided by the invention further includes pre- heat collector cavity, one end of pre- heat collector cavity
It is connected with the flue gas discharge opening of burner, the other end is connected with heat collector cavity, and the flue gas of the flue gas discharge opening discharge of burner passes through
Pre- heat collector cavity enters heat collector cavity；Pre- heat collector cavity is more than heat collector cavity perpendicular to smoke movement side perpendicular to the section in smoke movement direction
To section；Outer tube is extended to by heat collector cavity in pre- heat collector cavity.
Further, heat conducting fins are provided on the outer wall of outer tube.
Further, outer tube is pipe；Heat conducting fins include multiple helical wing plates, and helical wing plate is from the closing of outer tube
It holds to openend along spiral extension, and multiple helical wing plates are along the multiple circumferentially spaced of outer tube.
Further, outer tube is movably connected on heat collector cavity, can be moved relative to heat collector cavity along the length direction of outer tube, with
Adjusting outer tube stretches into the length in heat collector cavity.
Second aspect of the present invention provides a kind of melting holding furnace.Melting holding furnace provided by the invention includes：Burner melts
Solution room, moist closet and above-mentioned burner gas feeding mechanism, burner are disposed adjacent with melting chamber, and burner is located at moist closet
Top；Gas inlet, air inlet and flue gas discharge opening are provided on burner；It is supplied in burner gas feeding mechanism
Gas system includes wind turbine；Gas inlet is connected with fuel gas supply system, in air inlet and burner gas feeding mechanism
Economizer bank gas outlet connection, flue gas discharge opening is connected with the heat collector cavity in burner gas feeding mechanism.
Further, melting holding furnace provided by the invention further includes the temperature sensor being arranged on economizer bank, temperature
Sensor is used to detect temperature of the economizer bank close to one end of burner.
Burner gas feeding mechanism provided by the invention and melting holding furnace are related to the skill of metal casting and die casting equipment
Art field.Burner gas feeding mechanism provided by the invention includes：The flue gas of heat collector cavity and economizer bank, heat collector cavity and burner
Outlet connects, and the flue gas of burner discharge is discharged by heat collector cavity；Economizer bank one end is connected with air supply system, the other end and combustion
The gas suction inlet connection of burner, burning gases are supplied for burner；Economizer bank is connected with heat collector cavity, the combustion gas in economizer bank
The heat that body is absorbed in heat collector cavity enters burner.Burner gas feeding mechanism provided by the invention is connected with burner,
The high-temperature flue gas that burner combustion process generates enters heat collector cavity, and the economizer bank and heat collector cavity of burning gases are transmitted for burner
Connection, the heat of high-temperature flue gas can pass to burning gases.The heat of flue gas scatters and disappears, and temperature reduces, then outside by heat collector cavity
Portion's environmental emission can reduce the influence to environment；Burning gases absorb heat, and temperature rise is preheated pipe and continues to be transmitted to combustion
In burner, the temperature of burning gases is improved, can accelerate to catch fire, make burning more abundant, so as to discharge more heat in burner
Amount improves energy utilization rate, and can also reduce the discharge capacity of flue gas.
In this way, by burner gas feeding mechanism provided by the invention, gas burner of the prior art is alleviated
The reluctant technical problem of flue gas that existing burning generates.
Described melts holding furnace with above-mentioned burner gas feeding mechanism compared with advantage possessed by the prior art
Identical, details are not described herein.
For the above objects, features and advantages of the present invention is enable to be clearer and more comprehensible, present pre-ferred embodiments cited below particularly,
And attached drawing appended by coordinating, it is described below in detail.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of melting holding furnace provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of burner gas feeding mechanism provided in an embodiment of the present invention.
Icon：01- heat collector cavities；011- cover boards；02- economizer banks；021- outer tubes；022- inner sleeves；The pre- heat collector cavities of 03-；
04- burners；05- wind turbines；06- pressure switches；07- smoke exhaust pipes；08- melting chambers；09- driving mechanisms；10- material taking mouths.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
First aspect of the embodiment of the present invention provides a kind of burner gas feeding mechanism.It refer to Fig. 1, the embodiment of the present invention
The burner gas feeding mechanism of offer includes：Heat collector cavity 01 and economizer bank 02, heat collector cavity 01 and the flue gas of burner 04 are discharged
Mouthful connection, the flue gas that burner 04 is discharged enter heat collector cavity 01 from one end of heat collector cavity 01, pass through the opposite another of heat collector cavity 01
It discharges one end；02 one end of economizer bank is connected with air supply system, and the other end is connected with the gas suction inlet of burner 04, is burner
04 supply burning gases；Economizer bank 02 is connected with heat collector cavity 01, and the burning gases in economizer bank 02 absorb the heat in heat collector cavity 01
Amount enters burner 04.
Specifically, burner gas feeding mechanism provided in an embodiment of the present invention is connected with burner 04, burner 04
The high-temperature flue gas that combustion process generates enters heat collector cavity 01, and the economizer bank 02 and heat collector cavity of burning gases are transmitted for burner 04
01 connection, the heat of high-temperature flue gas can pass to burning gases.The heat of flue gas scatters and disappears, and temperature reduces, then passes through heat collector cavity 01
External environment discharges, and can reduce the influence to environment；Burning gases absorb heat, and temperature rise is preheated pipe 02 after resuming
It transports in burner 04, improves the temperature of burning gases, can accelerate to catch fire, make burning more abundant, so as in burner 04
More heats are discharged, energy utilization rate is improved, and the discharge capacity of flue gas can also be reduced.
In some embodiments, economizer bank 02 is located at the outside of heat collector cavity 01, outer wall and the economizer bank 02 of heat collector cavity 01
Outer wall contacts, and heat collector cavity 01 and economizer bank 02 are made from a material that be thermally conductive, and heat transfer is carried out by outer wall.Heat collector cavity 01 and preheating
Pipe 02 is made respectively of steel, to be easy to heat transfer.
In some embodiments, the exhanst gas outlet of heat collector cavity 01 is connected with smoke exhaust pipe 07, the other end extension of smoke exhaust pipe 07
It is supreme aerial, to reduce influence of the flue gas emission to ground environment.Tail gas filter is provided in smoke exhaust pipe 07, to filter out
Solid particle in flue gas, plays the role of environmental protection.
In some embodiments, burner gas feeding mechanism provided in an embodiment of the present invention is applied to gas burner.
Air supply system includes wind turbine 05, and wind turbine 05 drives air through economizer bank 02 and enters in burner 04, and another pipeline is passed through in combustion gas
Into burner 04；Air is heated in economizer bank 02, is burnt in burner 04 with combustion gas mixing.
In some embodiments, pressure gauge and pressure-regulating valve are connected on the connecting line of wind turbine 05 and economizer bank 02,
The air pressure of the air into burner 04 is adjusted by adjusting pressure-regulating valve, to adapt to burning condition, improves efficiency of combustion.
In some embodiments, burner gas feeding mechanism provided in an embodiment of the present invention is applied to gas burner.
Air supply system includes the fuel gas pipeline and burnt gas switch that are connected with combustion gas network, and fuel gas pipeline is connected with economizer bank 02, combustion gas warp
Economizer bank 02 is crossed, after temperature rise, burner 04 is delivered to, combustion is mixed with the air for entering burner 04 by another pipeline
It burns.Pressure-regulating valve is connected on fuel gas pipeline.
In some embodiments, burner gas feeding mechanism provided in an embodiment of the present invention is applied to gas burner.
The air intake of gas burner is connected with a burner gas feeding mechanism provided in an embodiment of the present invention, the burner gas
The air supply system of body feeding mechanism includes wind turbine 05；The fuel gas inlet of gas burner is provided in an embodiment of the present invention with another
Burner gas feeding mechanism connects, and the air supply system of the burner gas feeding mechanism includes the combustion gas being connected with combustion gas network
Pipeline and burnt gas switch.Two burner gas feeding mechanisms provided in an embodiment of the present invention give air and gas heating respectively,
Further improve efficiency of combustion.
In some embodiments, burner gas feeding mechanism provided in an embodiment of the present invention is applied to diesel oil gas apparatus.
Air supply system includes wind turbine 05, and wind turbine 05 drives air through economizer bank 02 and enters in diesel fuel burner, mixed with diesel oil, carried out
Burning.
Further, economizer bank 02 is stretched into heat collector cavity 01, and economizer bank 02 is made from a material that be thermally conductive, the heat in heat collector cavity 01
Amount can be transferred to by the tube wall of economizer bank 02 in economizer bank 02.
Specifically, the opening at the both ends of economizer bank 02 is respectively positioned on outside heat collector cavity 01, and burning gases are from one end of economizer bank 02
Into the flowing in economizer bank 02 absorbs the heat of flue gas in heat collector cavity 01, burning gas temperature by the outer wall of economizer bank 02
It gradually rises, enters burner 04 after discharging economizer bank 02 by the other end of economizer bank 02.
In some embodiments, economizer bank 02 is made of stainless steel.Economizer bank 02 can also be made of copper alloy.
In some embodiments, heat collector cavity 01 is made of stainless steel.Heat collector cavity 01 can also be made of ceramics, and ceramics heat passes
Lead that performance is weaker, the flue gas that can be reduced in heat collector cavity 01 transfers heat by the outer wall external environment of heat collector cavity 01, reduces heat
Amount is scattered and disappeared, and is conducive to economizer bank 02 and is absorbed heat, can also reduce the influence to equipment ambient enviroment.
In some embodiments, economizer bank 02 is " U "-shaped, and the middle part of economizer bank 02 extends into heat collector cavity 01, and two are opened
Mouth is located at the same side.
In some embodiments, economizer bank 02 passes through heat collector cavity 01, and two openings are located at the both sides of heat collector cavity 01 respectively.
Further, economizer bank 02 includes inner sleeve 022 and outer tube 021, and outer tube 021 is stretched into heat collector cavity 01；Outside
021 one end open of casing, other end closing；The both ends of inner sleeve 022 are open；Outer tube 021 is sheathed on inner sleeve 022, and
And one end of inner sleeve 022 is pierced by from the openend of outer tube 021；Inner sleeve 022 is located at opening and supply outside outer tube 021
System connects, and the opening of outer tube 021 is connected with the gas suction inlet of burner 04, and the gas of air supply system supply can be by interior
The opening that casing 022 is located at outside outer tube 021 enters inner sleeve 022, is located at the opening in outer tube 021 by inner sleeve 022
Into outer tube 021, the gas suction inlet of burner 04 is entered by the opening of outer tube 021.
Specifically, referring to Fig.1 and 2, one end of the separate burner 04 of heat collector cavity 01 is connected with cover board 011, housing
Pipe 021 stretches into heat collector cavity 01 through cover board 011.Outer tube 021 is made of stainless steel tube, and both ends are closed by end cap, outer tube
021 side wall for being located at the end outside heat collector cavity 01 is equipped with opening；Inner sleeve 022 is made of stainless steel tube, and from outer tube 021
One end outside heat collector cavity 01 is stretched into through end cap in outer tube 021, and inner sleeve 022 is located at one end in outer tube 021
The distance between the inner wall end surface of open end and 021 blind end of outer tube be 10mm-30mm；Inner sleeve 022 and end cap it
Between seal and be fixedly connected, fix inner sleeve 022 and the relative position of outer tube 021.
In the economizer bank 02 of this structure, burning gases enter outer tube 021 by inner sleeve 022, from outer tube 021
Blind end to opening end motion.When burning gases move in outer tube 021, thermal-arrest is absorbed by the tube wall of outer tube 021
Heat in chamber 01；When burning gases move in inner sleeve 022, the temperature of the burning gases in outer tube 021 is higher than entrance
The temperature of burning gases in inner sleeve 022, the tube wall that the burning gases in inner sleeve 022 pass through inner sleeve 022 absorb housing
Heat in pipe 021.Burning gases, by absorbing heat twice, extend the heat absorption time, favorably from inner sleeve 022 to outer tube 021
In the temperature for improving burning gases.
Economizer bank 02 is made of inner sleeve 022 and outer tube 021, and burning gases are sent by inner sleeve 022 to outer tube 021
Blind end, in this way, on the one hand extending move distance of the burning gases in economizer bank 02, increase heat transfer time；The opposing party
This structure in face is easy to the length by increasing outer tube 021, to increase the heat-exchange surface between economizer bank 02 and heat collector cavity 01
Product is conducive to the heat that burning gases absorb flue gas.This structure, two openings of economizer bank 02 are positioned at the same of heat collector cavity 01
Side is connected convenient for economizer bank 02 with burner 04 and air supply system, makes structure compacter, reduces occupied space.In addition, inner sleeve
Pipe 022 and outer tube 021 can be made into straight tube-like, and connection is arranged inside and outside the two, connect convenient for outer tube 021 and heat collector cavity 01
It connects, dismantle and junction is sealed, the later stage is made to overhaul and safeguard more convenient.
In some embodiments, the connection between inner sleeve 022, outer tube 021, burner 04 and air supply system can be closed
System is adjusted.Air supply system is connected with outer tube 021, and burner 04 is connected with inner sleeve 022.Burning gases are introduced into housing
Pipe 021 absorbs the heat in heat collector cavity 01 in outer tube 021 by 021 tube wall of outer tube, subsequently into inner sleeve 022, leads to
It crosses inner sleeve 022 and enters burner 04.
Further, inner sleeve 022 is located at inner wall of the opening in outer tube 021 close to 021 blind end of outer tube.
Specifically, burning gases enter from the blind end of outer tube 021, along from blind end to opening in outer tube 021
The direction movement at end, extends move distance of the burning gases in outer tube 021, is conducive to burning gases and passes through outer tube
021 tube wall absorbs heat.
Further, burner gas feeding mechanism provided in an embodiment of the present invention further includes pre- heat collector cavity 03, pre- thermal-arrest
One end of chamber 03 is connected with the flue gas discharge opening of burner 04, and the other end is connected with heat collector cavity 01, the flue gas discharge of burner 04
The flue gas of mouth discharge enters heat collector cavity 01 by pre- heat collector cavity 03；Pre- heat collector cavity 03 is more than perpendicular to the section in smoke movement direction
Heat collector cavity 01 is perpendicular to the section in smoke movement direction；Outer tube 021 is extended to by heat collector cavity 01 in pre- heat collector cavity 03.
Specifically, the flue gas that burner 04 generates initially enters pre- heat collector cavity 03, extends to the preheating in pre- heat collector cavity 03
Pipe 02 absorbs the heat of flue gas in pre- heat collector cavity 03；Flue gas is by entering heat collector cavity 01 after pre- heat collector cavity 03.In pre- heat collector cavity 03
Flue gas temperature higher than the temperature of the flue gas in heat collector cavity 01, the section of pre- heat collector cavity 03 is more than the section of heat collector cavity 01, makes
The movement velocity of flue gas in pre- heat collector cavity 03 is reduced with respect to heat collector cavity 01, extends flue gas and economizer bank in pre- heat collector cavity 03
02 time of contact is conducive to flue gas and transfers heat to economizer bank 02.
Burner gas feeding mechanism provided in an embodiment of the present invention makes flue gas be completed in two steps with 02 heat transfer of economizer bank,
And the opposite time for extending the flue gas of higher temperature in pre- heat collector cavity 03 and heat exchange being carried out with economizer bank 02, improve heat exchange
Efficiency, in the case of making overall structure relative compact, by more heat transfers of flue gas into economizer bank 02.
In some embodiments, pre- heat collector cavity 03 is poured by high-temperature material is made, to improve the high temperature resistant of pre- heat collector cavity 03
Ability extends stability in use and service life.
Further, heat conducting fins are provided on the outer wall of outer tube 021.
Specifically, heat conducting fins increase the contact surface of outer tube 021 and flue gas in heat collector cavity 01, are conducive to flue gas by heat
Amount passes to outer tube 021.
In some embodiments, heat conducting fins include multiple tablet fins, tablet fin from the blind end of outer tube 021 to
Openend extends, and multiple helical wing plates are multiple circumferentially spaced along outer tube 021.Flue gas in heat collector cavity 01 is along the tablet wing
The extending direction movement of piece.
Further, outer tube 021 is pipe；Heat conducting fins include multiple helical wing plates, and helical wing plate is from outer tube 021
Blind end to openend along spiral extension, and multiple helical wing plates are along the multiple circumferentially spaced of outer tube 021.
Specifically, helical duct is formed between two adjacent helical wing plates, the flue gas in heat collector cavity 01 is along helical duct
Movement, further increases the contact area of flue gas and helical wing plate, is conducive to flue gas and transfers heat to outer tube 021.
Further, it is connected with pressure switch 06 on the connecting line between economizer bank 02 and air supply system.
Specifically, pressure switch 06 is for adjusting the air pressure of the burning gases into economizer bank 02, so that the present invention is real
The burner gas feeding mechanism of example offer is provided and meets requirement of the burning to air pressure for the burning gases that burner 04 is supplied.Preheating
Air gauge is also associated on connecting line between pipe 02 and air supply system, for detecting and showing the air pressure in pipeline, is convenient for
Air pressure is adjusted.
In some embodiments, the connecting line between economizer bank 02 and air supply system is connected with flow valve, logical to adjust
Economizer bank 02 is crossed into the flow velocity of the burning gases of burner 04, on the one hand adjustable combustion gas and air into burner 04
Proportioning, on the other hand by adjusting time length of the burning gases by economizer bank 02, come adjust discharge economizer bank 02 combustion
Burn the temperature of gas.
Further, outer tube 021 be movably connected on heat collector cavity 01 can be with respect to length side of the heat collector cavity 01 along outer tube 021
To movement, length in heat collector cavity 01 is stretched into adjust outer tube 021.
Specifically, the outer wall of outer tube 021 is provided with external screw thread, is provided on the cover board 011 of heat collector cavity 01 and the outer spiral shell
The internal thread of line cooperation, outer tube 021 are threadedly connected on cover board 011；With respect to 01 rotating jacket pipe 021 of heat collector cavity, it is adjusted
Outer tube 021 stretches into the length of heat collector cavity 01, and the area of heat exchange is carried out so as to adjust outer tube 021 with flue gas, is realized to row
Go out the adjusting of the temperature of the burning gases of economizer bank 02, to adapt to requirement of the burner 04 to burning gas temperature.
In some embodiments, the through hole with the cooperation of 021 outer wall of outer tube is provided on the cover board 011 of heat collector cavity 01, outside
Casing 021 can in the through hole be slided with respect to heat collector cavity 01, to adjust the length that outer tube 021 stretches into heat collector cavity 01, realization pair
Discharge the adjusting of the temperature of the burning gases of economizer bank 02.
Second aspect of the embodiment of the present invention provides a kind of melting holding furnace.Melting holding furnace bag provided in an embodiment of the present invention
It includes：Burner 04, melting chamber 08, moist closet and above-mentioned burner gas feeding mechanism, burner 04 are adjacent with melting chamber 08
It sets, burner 04 is located at the top of moist closet；Gas inlet, air inlet and flue gas discharge are provided on burner 04
Mouthful；Air supply system includes wind turbine 05 in burner gas feeding mechanism；Gas inlet is connected with fuel gas supply system, air into
Gas port is connected with the gas outlet of the economizer bank 02 in burner gas feeding mechanism, and flue gas discharge opening is filled with burner gas supply
Heat collector cavity 01 in putting connects.
Specifically, by burner gas feeding mechanism, the flue gas generated using burner 04 is fired for supply burner 04
The air heating of burning, reduces the temperature of the flue gas of external environment discharge, reduces the influence to external environment；In addition improve
Into the temperature of the air of burner 04, efficiency of combustion can be improved, improves energy utilization rate.
Further, melting holding furnace provided in an embodiment of the present invention further includes the temperature sensing being arranged on economizer bank 02
Device, temperature sensor are used to detect temperature of the economizer bank 02 close to one end of burner 04.
Specifically, temperature sensor is connected with display, and display is used for the economizer bank that displays temperature sensor detects
02 close to one end of burner 04 temperature, personal observations easy to operation.Operating personnel can be right according to the temperature and burner 04
The temperature of api request, to adjust the length that economizer bank 02 stretches into heat collector cavity 01, so as to adjust the burning discharged from economizer bank 02
The temperature of gas, to adapt to temperature of the burner 04 to api request.
Fig. 2 is refer to, in some embodiments, economizer bank 02 is slidably connected on heat collector cavity 01, and economizer bank 02 is located at collection
One end outside hot chamber 01 is connected with driving mechanism 09, and driving mechanism 09 can drive economizer bank 02 to be slided with respect to heat collector cavity 01, come
Adjust the length that economizer bank 02 stretches into heat collector cavity 01.Melting holding furnace provided in an embodiment of the present invention further includes controller, drives
Mechanism 09 and temperature sensor are connected with controller signals, and controller can detect temperature according to temperature sensor, to control
Driving mechanism 09 drives economizer bank 02 to slide with respect to heat collector cavity 01, realize burning gases to discharging economizer bank 02 temperature from
It is dynamic to adjust.
In some embodiments, which includes cylinder.
In some embodiments, which includes motor and the lead screw transmission component being connected with motor drive.
In some embodiments, the first thermocouple is provided in burner 04, the second thermocouple is provided at material taking mouth 10,
First thermocouple and the second thermocouple are connected with controller signals；Wind turbine 05 and controller in burner gas feeding mechanism
Signal connects.First thermocouple is used to detect the temperature in burner 04, and the second thermocouple is used to detect the material at material taking mouth 10
Liquid temperature degree, in the temperature and melting chamber 08 that temperature that controller can be detected according to the first thermocouple, the second thermocouple detect
It is required that temperature, to control the power of wind turbine 05, adjust the air capacity into burner 04, and then strong to burning in burner 04
Degree is adjusted, and realizes temperature in regulation and control melting chamber 08.
Finally it should be noted that：Each embodiment in this specification is described by the way of progressive, each embodiment
What is stressed is all the difference with other embodiments, and identical similar part cross-reference is between each embodiment
It can；The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；Although with reference to foregoing embodiments pair
The present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to foregoing embodiments
Recorded technical solution modifies and either carries out equivalent substitution to which part or all technical characteristic；And these are repaiied
Change or replace, the essence of appropriate technical solution is not made to depart from the scope of various embodiments of the present invention technical solution.
Claims (10)
1. a kind of burner gas feeding mechanism, which is characterized in that including：Heat collector cavity and economizer bank, the heat collector cavity with it is described
The flue gas discharge opening connection of burner, the flue gas of the burner discharge are discharged by the heat collector cavity；Described economizer bank one end
It is connected with air supply system, the other end is connected with the gas suction inlet of the burner, and burning gases are supplied for the burner；
The economizer bank is connected with the heat collector cavity, and the burning gases in the economizer bank absorb the heat in the heat collector cavity
Amount enters the burner.
2. burner gas feeding mechanism according to claim 1, which is characterized in that the economizer bank stretches into the thermal-arrest
Intracavitary, the economizer bank are made from a material that be thermally conductive, and the heat in the heat collector cavity can be transferred to by the tube wall of the economizer bank
In the economizer bank.
3. burner gas feeding mechanism according to claim 2, which is characterized in that the economizer bank include inner sleeve and
Outer tube, the outer tube are stretched into the heat collector cavity；The outer tube one end open, other end closing；The inner sleeve
Both ends are open；The outer tube is sheathed on the inner sleeve, and one end of the inner sleeve is from the opening of the outer tube
End is pierced by；The opening that the inner sleeve is located at outside the outer tube is connected with the air supply system, the opening of the outer tube with
The gas suction inlet connection of the burner, the gas of the air supply system supply can be located at the housing by the inner sleeve
For opening outside pipe into the inner sleeve, the opening being located at by the inner sleeve in the outer tube enters the outer tube,
The gas suction inlet of the burner is entered by the opening of the outer tube.
4. burner gas feeding mechanism according to claim 3, which is characterized in that the inner sleeve is located at the housing
The inner wall of the close outer tube blind end of opening in pipe.
5. burner gas feeding mechanism according to claim 3, which is characterized in that the burner gas feeding mechanism
Pre- heat collector cavity is further included, one end of the pre- heat collector cavity is connected with the flue gas discharge opening of the burner, the other end and the collection
Hot chamber connection, the flue gas of the flue gas discharge opening discharge of the burner enter the heat collector cavity by the pre- heat collector cavity；It is described
Pre- heat collector cavity is more than the heat collector cavity perpendicular to the section in smoke movement direction perpendicular to the section in smoke movement direction；
The outer tube is extended to by the heat collector cavity in the pre- heat collector cavity.
6. burner gas feeding mechanism according to claim 3, which is characterized in that set on the outer wall of the outer tube
There are heat conducting fins.
7. burner gas feeding mechanism according to claim 6, which is characterized in that the outer tube is pipe；It is described
Heat conducting fins include multiple helical wing plates, and the blind end of the helical wing plate from the outer tube prolongs to openend along spiral shape
It stretches, and multiple helical wing plates are along the multiple circumferentially spaced of the outer tube.
8. burner gas feeding mechanism according to claim 3, which is characterized in that the outer tube is movably connected on institute
State heat collector cavity, can be moved relative to the heat collector cavity along the length direction of the outer tube, with adjust the outer tube stretch into it is described
Length in heat collector cavity.
9. a kind of melting holding furnace, which is characterized in that including：Burner, melting chamber, moist closet and such as claim 1-8 are any
Burner gas feeding mechanism described in, the burner are disposed adjacent with the melting chamber, and the burner is located at described
The top of moist closet；Gas inlet, air inlet and flue gas discharge opening are provided on the burner；The burner gas
Air supply system includes wind turbine in body feeding mechanism；
The gas inlet is connected with fuel gas supply system, in the air inlet and the burner gas feeding mechanism
Economizer bank gas outlet connection, the flue gas discharge opening is connected with the heat collector cavity in the burner gas feeding mechanism.
10. melting holding furnace according to claim 9, which is characterized in that the melting holding furnace, which further includes, is arranged at institute
The temperature sensor on economizer bank is stated, the temperature sensor is used to detect the economizer bank close to one end of the burner
Temperature.
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| CN201810048229.0A CN108050854A (en) | 2018-01-18 | 2018-01-18 | Burner gas feeding mechanism and melting holding furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810048229.0A CN108050854A (en) | 2018-01-18 | 2018-01-18 | Burner gas feeding mechanism and melting holding furnace |
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| CN201810048229.0A Pending CN108050854A (en) | 2018-01-18 | 2018-01-18 | Burner gas feeding mechanism and melting holding furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427792A (en) * | 2021-12-16 | 2022-05-03 | 浙江金顿环保节能科技有限公司 | Tank type gas holding furnace |
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