CN109059539A - A kind of immersion holding furnace - Google Patents
A kind of immersion holding furnace Download PDFInfo
- Publication number
- CN109059539A CN109059539A CN201810949308.9A CN201810949308A CN109059539A CN 109059539 A CN109059539 A CN 109059539A CN 201810949308 A CN201810949308 A CN 201810949308A CN 109059539 A CN109059539 A CN 109059539A
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- CN
- China
- Prior art keywords
- combustion
- tube
- gas
- bell
- furnace
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
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- 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 peculiar to crucible or pot furnaces
-
- 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 peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- 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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
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- 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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
- F27D2099/0036—Heating elements or systems using burners immersed in the charge
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- 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)
- Furnace Details (AREA)
Abstract
The invention discloses a kind of immersion holding furnace, apply in aluminum water holding furnace field, including furnace body, furnace hearth, bell, elevating mechanism and self preheating burner；Furnace hearth is set in furnace body；Self preheating burner is arranged through bell, including dipping tube, combustion tube, gas path joint；Burning bottom of the tube offers bocca；Imported gas, combustion-supporting gas import and flue gas discharge opening are offered on gas path joint；Imported gas and combustion-supporting gas import and combustion tube are connected；Flue gas discharge opening and dipping tube are connected.The present invention is kept the temperature with immersion instead of downward radiation direct-injection combustion-type, it avoids generating alpha-aluminium oxide, reduce aluminum water scaling loss, aluminum water quality is promoted, improves insulating efficiency, while using self preheating burner, the flue gas heat that secondary use burning generates gives combustion-supporting gas heat temperature raising, combustion-supporting gas temperature is greatly improved, less natural gas is consumed, it is higher to improve efficiency of combustion.
Description
Technical field
The invention belongs to aluminum water holding furnace fields, and in particular to a kind of immersion holding furnace.
Background technique
Conventional gas formula aluminum water holding furnace is by groups such as furnace body, bell, burner, air blower, exhaust pipe, temperature control systems
At.Furnace body be equipped with takes molten aluminum mouth and plus molten aluminum mouth, upper of furnace body be bell, air blower and burner on insulation cover, flame to
Molten aluminum surface is heated in lower burning.This mode there are the problem of are as follows: 1, aluminum water scaling loss it is big, and aluminum water surface can generate one
Layer alpha-aluminium oxide, it has not been convenient to which transmitting of the heat to aluminum water depths, insulating efficiency are low；2, downward radiation direct injection combustion makes gas in furnace
Atmosphere temperature is excessively high, greatly reduces the service life of heat preservation inner lining of furnace and burner, increases the operation and maintenance of holding furnace indirectly
Cost；3, the flue gas that burning generates is expelled directly out, and thermal pollution is big, is not recycled effectively to the heat of combustion product gases also.
Summary of the invention
In view of this, replacing downward radiation straight with immersion the purpose of the present invention is to provide a kind of immersion holding furnace
Combustion-type heat preservation is sprayed, avoids generating alpha-aluminium oxide, reduces aluminum water scaling loss, promote aluminum water quality, homogenize the transmitting of calory burning,
Insulating efficiency is improved, the service life of heat preservation inner lining of furnace and burner is extended, while being passed using self preheating burner as burning
The intermediary of heat heat preservation, the flue gas heat that secondary use burning generates give combustion-supporting gas heat temperature raising, when flue gas discharge is greatly reduced
Temperature, reduce thermal pollution, meanwhile, combustion-supporting gas temperature is greatly improved, in the case where equivalent natural gas, efficiency of combustion is more
Height, or in the case where reaching same combustion efficiency, consume less natural gas.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of immersion holding furnace, including furnace body, furnace hearth, bell, elevating mechanism and self preheating burner；The furnace hearth
It is set in furnace body, for accepting aluminum water, upper part offers plus water flow grooves and intake, and lower part, which offers, puts bottom water mouth；Institute
It states to add and offers rake cinder notch by water flow grooves；It is equipped with a pushing off the slag block vertically downward at the rake cinder notch；The pushing off the slag block is by furnace hearth
It is divided into A, B two parts of upper isolation, lower part conducting；The bell is set to above furnace hearth part B by elevating mechanism；It is described
Self preheating burner is arranged through bell, including dipping tube, the combustion tube being set in dipping tube, and is arranged in dipping tube
With combustion tube top, the gas path joint above bell；The burning bottom of the tube offers bocca, it is circumferential with bottom with
There are gaps for dipping tube；Imported gas, combustion-supporting gas import and flue gas discharge opening are offered on the gas path joint；The day
Right gas import and combustion-supporting gas import and combustion tube are connected；The flue gas discharge opening and dipping tube are connected.
Preferably, the combustion tube peripheral surface is equipped with several protrusions.
Preferably, the elevating mechanism includes rack, cylinder, driving wheel and transmission chain；The rack is connected on furnace body,
Above bell；The cylinder is connected to rack side；The driving wheel is set to frame top；The transmission chain is set to
On driving wheel, both ends are connected to cylinder and bell.
Preferably, filter plate is equipped at the intake.
Preferably, the self preheating burner is equipped with 1-4.
The beneficial effects of the present invention are: the present invention is kept the temperature with immersion instead of downward radiation direct-injection combustion-type, avoids producing
Raw alpha-aluminium oxide, reduces aluminum water scaling loss, promotes aluminum water quality, homogenizes the transmitting of calory burning, improves insulating efficiency, extends and protects
The service life of warm inner lining of furnace and burner, while the intermediary using self preheating burner as burning heat transfer heat preservation, secondary benefit
Combustion-supporting gas heat temperature raising is given with the flue gas heat that burning generates, temperature when flue gas discharge is greatly reduced, reduces thermal pollution, together
When, combustion-supporting gas temperature is greatly improved, in the case where equivalent natural gas, efficiency of combustion is higher, or same reaching
Combustion efficiency in the case where, consume less natural gas.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is front section view of the present invention；
Fig. 2 is top view of the present invention (hiding driving wheel, transmission chain)；
Fig. 3 is self preheating burner structural schematic diagram.
Mark in attached drawing as follows: furnace body 1, furnace hearth 2 plus water flow grooves 21, intake 22 put bottom water mouth 23, rake cinder notch 24, gear
Clinker 25, filter plate 26, bell 3, dipping tube 4, combustion tube 5, bocca 51, protrusion 52, gas path joint 6, Imported gas 61,
Combustion-supporting gas import 62, flue gas discharge opening 63, rack 7, cylinder 8, driving wheel 9, transmission chain 10.
Specific embodiment
Below in conjunction with attached drawing, a preferred embodiment of the present invention will be described in detail.
Such as Fig. 1~3, a kind of immersion holding furnace, including furnace body 1, furnace hearth 2, bell 3, elevating mechanism and self-preheating type
Burner；The furnace hearth 2 is set in furnace body 1, and for accepting aluminum water, upper part offers plus water flow grooves 21 and intake 22, under
Portion, which offers, puts bottom water mouth 23；Rake cinder notch 24 is offered by described plus water flow grooves 21；It is equipped with vertically downward at the rake cinder notch 24
One pushing off the slag block 25；Furnace hearth 2 is divided into A, B two parts of upper isolation, lower part conducting by the pushing off the slag block 25；The bell 3 is logical
Elevating mechanism is crossed to be set to above furnace hearth part B；The self preheating burner is arranged through bell 3, including dipping tube 4, if
The combustion tube 5 being placed in dipping tube 4, and 5 top of dipping tube 4 and combustion tube, the gas path joint above bell 3 are set
6；5 bottom of combustion tube offers bocca 51, and circumferential there are gaps with dipping tube 4 with bottom；On the gas path joint 6
Offer Imported gas 61, combustion-supporting gas import 62 and flue gas discharge opening 63；The Imported gas 61 and combustion-supporting gas into
Mouth 62 is connected with combustion tube 5；The flue gas discharge opening 63 is connected with dipping tube 4.
In use, will aluminum water be kept the temperature by adding water flow grooves 21 to be poured into, aluminum water enters the a-quadrant of furnace hearth 2, recirculation to the area B
Domain, supernatant aluminium slag can be blocked at the rake cinder notch 24 of a-quadrant by the pushing off the slag block 25 between A, B area, facilitate subsequent set
In rake cinder notch 24 at slag hitting.Then move down bell 3 by elevating mechanism, the upper for covering furnace hearth 2 completes closing.This
When dipping tube 4 be in immerse aluminum water state.By Imported gas 61 and combustion-supporting gas import 62 each lead into natural gas and
Combustion-supporting gas (such as air) is sprayed into combustion tube 5, flame by bocca 51, generates a large amount of heat, and heat is directly passed to leaching
Enter pipe 4, dipping tube then passes through its peripheral surface and heated the aluminum water in furnace hearth 2 to keep the temperature aluminum water.
The present embodiment is kept the temperature with immersion instead of downward radiation direct-injection combustion-type, avoids generating alpha-aluminium oxide, is reduced aluminum water and is burnt
Damage promotes aluminum water quality, homogenizes the transmitting of calory burning, improves insulating efficiency, extends the use of heat preservation inner lining of furnace and burner
Service life.
The flue gas generated that burns first is ejected to dipping tube 4 by bocca 51, and flue gas is flowed by dipping tube 4 from bottom to up again,
Finally it is discharged by the flue gas discharge opening 63 at top.The process that flue gas flows from the bottom to top makes flue gas heat obtain both sides
Secondary use.One, dipping tube 4 can be heated again, transfer heat to aluminum water indirectly, realize that waste thermal energy utilizes, improve heat transfer
Efficiency, according to statistics, after this immersion holding furnace, burning-aluminum water heat transfer efficiency can reach 60%~80%；Two, it can be right
The combustion-supporting gas being filled in combustion tube 5 is preheated, and combustion-supporting gas temperature is greatly improved, and according to statistics, can make combustion-supporting gas temperature
Degree is improved by 25 DEG C close to 400 DEG C, and the raising of combustion-supporting gas temperature, in the case where equivalent natural gas, efficiency of combustion is higher, or
Person is to consume less natural gas in the case where reaching same combustion efficiency.Certainly, flue gas heat is being fully used
Afterwards, discharge temperature certainly will be greatly reduced, therefore also reduce the thermal pollution of flue gas discharge.
Further, 5 peripheral surface of combustion tube that the present embodiment uses is equipped with several raised 52, which can increase burning
The circumferential contact area with combustion product gases of pipe, improves the efficiency that flue gas heat passes to combustion-supporting gas.
Further, the elevating mechanism that the present embodiment uses includes rack 7, cylinder 8, driving wheel 9 and transmission chain 10；It is described
Rack 7 is connected on furnace body 1, is located at 3 top of bell；The cylinder 8 is connected to 7 side of rack；The driving wheel 9 is set to machine
7 top of frame；The transmission chain 10 is set on driving wheel 9, and both ends are connected to cylinder 8 and bell 3.Certainly, the above structure
Only realize a kind of form that bell 3 is gone up and down, those skilled in the art can use the elevator of other forms according to the actual situation
Structure.
Further, it is equipped with filter plate 26 at the intake 22 that the present embodiment uses, may filter that insulating process generated
A small amount of impurity improves the quality of the aluminum water of taking-up.
Further, the self preheating burner that the present embodiment uses is equipped with 1, is applicable to the heat preservation of 800kg aluminum water；
4 self preheating burners can certainly be used, then are applicable to the heat retaining operation of 3T aluminum water.It specifically can be according to the actual situation
Select the suitable self preheating burner of quantity.
Finally, it is stated that preferred embodiment above is only used to illustrate the technical scheme of the present invention and not to limit it, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (5)
1. a kind of immersion holding furnace, it is characterised in that: burnt including furnace body, furnace hearth, bell, elevating mechanism and self-preheating type
Mouth；The furnace hearth is set in furnace body, and for accepting aluminum water, upper part offers plus water flow grooves and intake, and lower part offers
Put bottom water mouth；Rake cinder notch is offered by described plus water flow grooves；It is equipped with a pushing off the slag block vertically downward at the rake cinder notch；The gear
Furnace hearth is divided into A, B two parts of upper isolation, lower part conducting by clinker；The bell is set to the portion furnace hearth B by elevating mechanism
Above point；The self preheating burner is arranged through bell, including dipping tube, the combustion tube being set in dipping tube, and
Dipping tube and combustion tube top, the gas path joint above bell are set；The burning bottom of the tube offers bocca, week
To there are gaps with dipping tube with bottom；Imported gas, combustion-supporting gas import and flue gas are offered on the gas path joint
Outlet；The Imported gas and combustion-supporting gas import and combustion tube are connected；The flue gas discharge opening and dipping tube are connected.
2. immersion holding furnace according to claim 1, it is characterised in that: the combustion tube peripheral surface is equipped with several convex
It rises.
3. immersion holding furnace according to claim 1, it is characterised in that: the elevating mechanism includes rack, cylinder, biography
Driving wheel and transmission chain；The rack is connected on furnace body, is located above bell；The cylinder is connected to rack side；The biography
Driving wheel is set to frame top；The transmission chain is set on driving wheel, and both ends are connected to cylinder and bell.
4. immersion holding furnace according to claim 1, it is characterised in that: be equipped with filter plate at the intake.
5. immersion holding furnace according to claim 1, it is characterised in that: the self preheating burner is equipped with 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949308.9A CN109059539A (en) | 2018-08-20 | 2018-08-20 | A kind of immersion holding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949308.9A CN109059539A (en) | 2018-08-20 | 2018-08-20 | A kind of immersion holding furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109059539A true CN109059539A (en) | 2018-12-21 |
Family
ID=64686585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810949308.9A Pending CN109059539A (en) | 2018-08-20 | 2018-08-20 | A kind of immersion holding furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109059539A (en) |
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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3353810A (en) * | 1964-12-07 | 1967-11-21 | Sherwood William Lyon | Heating and discharge apparatus for fused materials in rotary furnaces |
| GB1585101A (en) * | 1977-07-06 | 1981-02-25 | Morganite Thermal Designs Ltd | Metal melting furnace |
| JPH07159045A (en) * | 1993-12-03 | 1995-06-20 | Toyota Motor Corp | Immersion tube heating type molten aluminum heat insulating furnace |
| JPH10237529A (en) * | 1997-02-20 | 1998-09-08 | Kawasaki Steel Corp | Operation of arc furnace equipment, and arc furnace |
| JP2000205531A (en) * | 1999-01-19 | 2000-07-25 | Ishikawajima Harima Heavy Ind Co Ltd | Ash melting furnace |
| CN208688249U (en) * | 2018-08-20 | 2019-04-02 | 重庆华东工业炉制造有限公司 | A kind of immersion holding furnace |
-
2018
- 2018-08-20 CN CN201810949308.9A patent/CN109059539A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3353810A (en) * | 1964-12-07 | 1967-11-21 | Sherwood William Lyon | Heating and discharge apparatus for fused materials in rotary furnaces |
| GB1585101A (en) * | 1977-07-06 | 1981-02-25 | Morganite Thermal Designs Ltd | Metal melting furnace |
| JPH07159045A (en) * | 1993-12-03 | 1995-06-20 | Toyota Motor Corp | Immersion tube heating type molten aluminum heat insulating furnace |
| JPH10237529A (en) * | 1997-02-20 | 1998-09-08 | Kawasaki Steel Corp | Operation of arc furnace equipment, and arc furnace |
| JP2000205531A (en) * | 1999-01-19 | 2000-07-25 | Ishikawajima Harima Heavy Ind Co Ltd | Ash melting furnace |
| CN208688249U (en) * | 2018-08-20 | 2019-04-02 | 重庆华东工业炉制造有限公司 | A kind of immersion holding furnace |
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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