CN109341341A - A kind of hot-air circulation is molten to protect furnace - Google Patents
A kind of hot-air circulation is molten to protect furnace Download PDFInfo
- Publication number
- CN109341341A CN109341341A CN201811246227.9A CN201811246227A CN109341341A CN 109341341 A CN109341341 A CN 109341341A CN 201811246227 A CN201811246227 A CN 201811246227A CN 109341341 A CN109341341 A CN 109341341A
- Authority
- CN
- China
- Prior art keywords
- combustion
- solid
- supporting
- furnace
- furnace body
- 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
Links
- 239000007787 solid Substances 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims abstract description 21
- 238000002485 combustion reaction Methods 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims abstract description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 abstract description 5
- 238000004512 die casting Methods 0.000 abstract description 3
- 239000003345 natural gas Substances 0.000 abstract description 3
- 241000270295 Serpentes Species 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details specially adapted for crucible or pot furnaces
- F27B14/10—Crucibles
-
- 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
- F27D17/10—Arrangements for using waste heat
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Air Supply (AREA)
Abstract
The invention discloses a kind of hot-airs to recycle molten guarantor's furnace, including furnace body, burner hearth is equipped in the furnace body, crucible is equipped in the burner hearth, the side wall of the burner hearth is equipped with smoke outlet and burner, the side of the furnace body is equipped with solid thermal, the solid thermal includes solid hot cavity, flue is equipped in the solid hot cavity, the flue includes the first inlet end and first exhaust end, first inlet end passes through solid hot cavity and is connected to smoke outlet, and it is extraneous that the first exhaust end passes through solid hot cavity connection；Combustion-supporting wind inlet, combustion air outlet are additionally provided on the side wall of the solid hot cavity, the combustion-supporting wind inlet is connected with the pressure fan being arranged in outside furnace body, and the combustion air outlet is connected to air inlet.Combustion air is directed into that solid heat is intracavitary to be heated, and the combustion-supporting gas of high temperature makes the combustion of natural gas of equal volume generate high heat, so that the capacity usage ratio of fuel, greatly promotes the thermal efficiency.The present invention relates to die casting fields.
Description
Technical field
The present invention relates to die casting field, especially a kind of hot-air circulation is molten to protect furnace.
Background technique
Molten furnace of protecting is in melting & holding furnace again, is the device for heating melting die-cast metal.The molten furnace of protecting of combustion type is due to it
The characteristics of thermal efficiency is high, clean and environmental protection is the one kind for applying relatively broad in existing molten guarantor's furnace.But existing combustion type is molten to be protected
The capacity usage ratio of its fuel of furnace high (thermal efficiency) also can only achieve 60% or so.In the presence of very big energy conservation, promote the thermal efficiency
Space, the molten furnace majority of protecting of existing combustion type use the mode majority by molten guarantor's furnace promotion thermal efficiency for following two:
The first is the stove-shaped structure using shaft furnace, and flame penetrates aluminium material to shaft furnace top along shaft furnace bottom, is carried out abundant
Heat exchange, to improve the thermal efficiency.
It is for second the hot gas that flue is discharge is arranged to be directed to take at soup mouth, thus to the molten metal in crucible
Play the effect of heating and thermal insulation.
Both the above mode can improve the thermal efficiency, but its room for improvement is extremely limited.
Summary of the invention
The technical problem to be solved by the present invention is providing, a kind of hot-air circulation is molten to protect furnace, which greatly promotes heat
Efficiency.
The solution that the present invention solves its technical problem is:
A kind of hot-air circulation is molten to protect furnace, including furnace body, is equipped with burner hearth in the furnace body, the side wall of the burner hearth is equipped with
Smoke outlet and burner, the burner include burner and air inlet, and the side wall that the burner passes through furnace body protrudes into burner hearth, institute
The side for stating furnace body is equipped with solid thermal, and the solid thermal includes solid hot cavity, is equipped with flue in the solid hot cavity,
The flue includes the first inlet end and first exhaust end, and first inlet end passes through solid hot cavity and smoke outlet connects
Logical, it is extraneous that the first exhaust end passes through solid hot cavity connection；Combustion-supporting wind inlet is additionally provided on the side wall of the solid hot cavity, is helped
Fire wind outlet, the combustion-supporting wind inlet and the pressure fan that is arranged in outside furnace body by pipeline connection, the combustion air outlet with into
Air port passes through pipeline connection.
As a further improvement of the above technical scheme, the flue is snake pipe.
As a further improvement of the above technical scheme, the solid thermal further includes combustion-supporting air piping, the combustion air
Pipeline includes the second inlet end and second exhaust end, and second inlet end is connected with combustion-supporting wind inlet, the second exhaust end
It is connected to the inside of admittedly hot cavity, the combustion-supporting wind inlet is connected to by combustion-supporting air piping with solid hot inside cavity.
As a further improvement of the above technical scheme, the combustion-supporting air piping is snake pipe.
As a further improvement of the above technical scheme, the combustion-supporting air piping, flue parallel arrangement, it is described combustion-supporting
The lateral wall of air piping and flue fits.
As a further improvement of the above technical scheme, the lateral wall and flue gas of the combustion air pipeline area maximum side
The lateral wall of pipeline area maximum side fits.
The beneficial effects of the present invention are: combustion-supporting gas is continuously fed in solid hot cavity by pressure fan, burner hearth is utilized
The big feature of the temperature difference of interior high-temperature flue gas and combustion-supporting gas, combustion-supporting gas are heated rapidly by flue, and combustion-supporting gas is led after heating
To combustion-supporting at burner, the combustion-supporting gas of high temperature makes the combustion of natural gas of equal volume generate high heat, the energy benefit of fuel
With rate height, the thermal efficiency is greatly promoted.
The present invention relates to die casting field, especially a kind of hot-air circulation is molten to protect furnace.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the solid thermal flue schematic diagram of the embodiment of the present invention；
Fig. 3 is the solid thermal combustion air piping schematic of the embodiment of the present invention.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in text
All connections or connection relationship not singly refer to that component directly connects, and referring to can be added deduct according to specific implementation situation by adding
Auxiliary is connected, less to form more preferably connection structure.Each technical characteristic in the present invention, in the premise of not conflicting conflict
Under can be with combination of interactions.
Embodiment is as follows, and referring to figs. 1 to Fig. 3, a kind of hot-air circulation is molten to protect furnace, including furnace body 1, sets in the furnace body 1
There is burner hearth 11, the side wall of the burner hearth 11 is equipped with smoke outlet 13 and burner 12, and the burner 12 includes burner and air inlet
Mouth 121, the side wall that the burner passes through furnace body 1 protrude into burner hearth 11, and the side of the furnace body 1 is equipped with solid thermal 3, described solid
Thermal 3 includes solid hot cavity 31, is equipped with flue 32 in the solid hot cavity 31, the flue 32 include first into
Gas end 33 and first exhaust end 34, first inlet end 33 pass through solid hot cavity 31 and are connected to smoke outlet 13, the first row
Gas end 34 passes through solid hot cavity 31 and is connected to the external world；Combustion-supporting wind inlet 35, combustion air are additionally provided on the side wall of the solid hot cavity 31
Outlet 36, the combustion-supporting wind inlet 35 pass through pipeline connection, the combustion air outlet 36 with the pressure fan 5 being arranged in outside furnace body 1
Pass through pipeline connection with air inlet 121.Crucible 2, the gold that crucible 2 melts needed for being used to hold are also provided in the burner hearth 11
Belong to, heat is transferred to molten metal in metal by the cavity wall of crucible 2, for separating molten metal needed for combustion zone, subtracts
Few burn-off phenomenon, when burning, reduce flue gas emission.
High-temperature flue gas in burner hearth is fed in the flue of admittedly hot cavity, and the heat of flue gas is passed by flue
It is directed in admittedly hot cavity, the setting of flue is so that high-temperature flue gas is long in admittedly hot chamber intracorporal residence time, heat exchanger time
It is long；Gu being provided with combustion-supporting gas air inlet in hot cavity, stored under combustion-supporting gas normal temperature state, combustion-supporting gas passes through pressure fan continually
Ground is fed in solid hot cavity, and using the big feature of the temperature difference of high-temperature flue gas and combustion-supporting gas in burner hearth, combustion-supporting gas is by flue
Heating rapidly, combustion-supporting gas is directed to combustion-supporting at burner after heating, and the combustion-supporting gas of high temperature fires the natural gas of equal volume
It burns and generates high heat, so that the capacity usage ratio of fuel, greatly promotes the thermal efficiency.Through practicing, the temperature of combustion-supporting gas may be up to 350
DEG C, fuel comprehensive utilization ratio is up to 80%.
It is further used as preferred embodiment, the flue 32 is snake pipe.Setting snake pipe makes cigarette
Gas is long in the admittedly hot intracorporal heat exchanger time of chamber, and the heat utilization rate of flue gas is higher.
It is further used as preferred embodiment, the solid thermal 3 further includes combustion-supporting air piping 37, the combustion-supporting air hose
Road 37 includes the second inlet end 38 and second exhaust end 39, and second inlet end 38 is connected with combustion-supporting wind inlet 35, and described the
Two exhaust ends 39 are connected to the inside of solid hot cavity 31, and the combustion-supporting wind inlet 35 passes through combustion-supporting air piping 37 and solid hot cavity 31
Inside connection.Combustion-supporting air piping is set to which the heat exchanger time of combustion-supporting gas and solid hot cavity is long, heat utilization rate is higher.
It is further used as preferred embodiment, the combustion-supporting air piping 37 is snake pipe.Snake pipe is set into one
The combustion-supporting gas of step lengthening is long in the admittedly hot intracorporal heat exchanger time of chamber, improves heat utilization rate.
It is further used as preferred embodiment, the combustion-supporting air piping 37, flue 32 are arranged in parallel, described combustion-supporting
Air piping 37 and the lateral wall of flue 32 fit.Using the high feature of the thermal efficiency of solid heat transfer, by high-temperature flue gas
The heat of the flue of heating is directly conducted to combustion-supporting air piping, and heat conduction efficiency is high, it is further provided heat utilization rate.
It is further used as preferred embodiment, the lateral wall and fume pipe of the combustion-supporting 37 area maximum side of air piping
The lateral wall of 32 area maximum side of road fits.Specifically, combustion-supporting air piping, flue cross section can be in side
Shape.Combustion-supporting air piping, flue arrange that serpentine-like flue, combustion-supporting air piping are in the horizontal plane in the horizontal direction
Constantly bending is extended, and the projected area of flue, combustion-supporting air piping in the horizontal plane is maximum, at this time the downside of flue
Face, combustion-supporting air piping upper side fit；Or the downside of the upper side of flue, combustion-supporting air piping fits.
Better embodiment of the invention is illustrated above, but the present invention is not limited to the embodiment,
Those skilled in the art can also make a variety of equivalent modifications or replacement on the premise of without prejudice to spirit of the invention, this
Equivalent variation or replacement are all included in the scope defined by the claims of the present application a bit.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811246227.9A CN109341341A (en) | 2018-10-24 | 2018-10-24 | A kind of hot-air circulation is molten to protect furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811246227.9A CN109341341A (en) | 2018-10-24 | 2018-10-24 | A kind of hot-air circulation is molten to protect furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109341341A true CN109341341A (en) | 2019-02-15 |
Family
ID=65311585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811246227.9A Pending CN109341341A (en) | 2018-10-24 | 2018-10-24 | A kind of hot-air circulation is molten to protect furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109341341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567267A (en) * | 2019-09-26 | 2019-12-13 | 南通高新工业炉有限公司 | Energy-saving gas crucible furnace for heating combustion air by using flue gas |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005121289A (en) * | 2003-10-16 | 2005-05-12 | Nippon Crucible Co Ltd | Melting holding furnace and melting method of material to be melted |
| CN203083346U (en) * | 2013-02-22 | 2013-07-24 | 陈伟 | Novel crucible type melting maintaining furnace |
| CN203454747U (en) * | 2013-06-21 | 2014-02-26 | 成都赛德立热能科技有限公司 | Crucible aluminum melting furnace |
| CN104596242A (en) * | 2015-01-26 | 2015-05-06 | 金进帼 | Energy-saving boiler |
| CN105021037A (en) * | 2015-07-07 | 2015-11-04 | 宁波北仑尚鼎工业炉有限公司 | Natural gas crucible furnace for flue gas waste heat recovery |
| CN204923850U (en) * | 2015-07-07 | 2015-12-30 | 宁波北仑尚鼎工业炉有限公司 | Stove is emptyd to air preheating -type crucible |
| CN205860768U (en) * | 2015-12-30 | 2017-01-04 | 陈伟 | A kind of energy-conservation crucible calciner of band self-preheating burner |
| WO2017065701A1 (en) * | 2015-10-13 | 2017-04-20 | Yu Zhou-Hao | Furnace |
| CN209355696U (en) * | 2018-10-24 | 2019-09-06 | 佛山市旺鼎压铸设备工业炉制造有限公司 | A kind of hot-air circulation is molten to protect furnace |
-
2018
- 2018-10-24 CN CN201811246227.9A patent/CN109341341A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005121289A (en) * | 2003-10-16 | 2005-05-12 | Nippon Crucible Co Ltd | Melting holding furnace and melting method of material to be melted |
| CN203083346U (en) * | 2013-02-22 | 2013-07-24 | 陈伟 | Novel crucible type melting maintaining furnace |
| CN203454747U (en) * | 2013-06-21 | 2014-02-26 | 成都赛德立热能科技有限公司 | Crucible aluminum melting furnace |
| CN104596242A (en) * | 2015-01-26 | 2015-05-06 | 金进帼 | Energy-saving boiler |
| CN105021037A (en) * | 2015-07-07 | 2015-11-04 | 宁波北仑尚鼎工业炉有限公司 | Natural gas crucible furnace for flue gas waste heat recovery |
| CN204923850U (en) * | 2015-07-07 | 2015-12-30 | 宁波北仑尚鼎工业炉有限公司 | Stove is emptyd to air preheating -type crucible |
| WO2017065701A1 (en) * | 2015-10-13 | 2017-04-20 | Yu Zhou-Hao | Furnace |
| CN205860768U (en) * | 2015-12-30 | 2017-01-04 | 陈伟 | A kind of energy-conservation crucible calciner of band self-preheating burner |
| CN209355696U (en) * | 2018-10-24 | 2019-09-06 | 佛山市旺鼎压铸设备工业炉制造有限公司 | A kind of hot-air circulation is molten to protect furnace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567267A (en) * | 2019-09-26 | 2019-12-13 | 南通高新工业炉有限公司 | Energy-saving gas crucible furnace for heating combustion air by using flue gas |
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