CN106766968A - multiple hearth furnace system - Google Patents
multiple hearth furnace system Download PDFInfo
- Publication number
- CN106766968A CN106766968A CN201710090191.9A CN201710090191A CN106766968A CN 106766968 A CN106766968 A CN 106766968A CN 201710090191 A CN201710090191 A CN 201710090191A CN 106766968 A CN106766968 A CN 106766968A
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- China
- Prior art keywords
- hearth furnace
- multiple hearth
- hot
- blast
- furnace system
- 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
- 239000002737 fuel gas Substances 0.000 claims abstract description 27
- 239000000567 combustion gas Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 210000000038 chest Anatomy 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 238000001354 calcination Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052750 molybdenum Inorganic materials 0.000 description 5
- 239000011733 molybdenum Substances 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 235000014380 magnesium carbonate Nutrition 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 2
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- LRONOAULLOTCRX-UHFFFAOYSA-N [Cl+].[O-2].[Zn+2] Chemical compound [Cl+].[O-2].[Zn+2] LRONOAULLOTCRX-UHFFFAOYSA-N 0.000 description 1
- HXELGNKCCDGMMN-UHFFFAOYSA-N [F].[Cl] Chemical compound [F].[Cl] HXELGNKCCDGMMN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 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
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention provides a kind of multiple hearth furnace system.The multiple hearth furnace system includes multiple hearth furnace, and multiple hearth furnace is provided with hot-blast outlet and fuel gas inlet, and hot-blast outlet is connected with fuel gas inlet through hot blast conveying pipe road.The hot-blast outlet of multiple hearth furnace is connected with fuel gas inlet, and the heat contained from the hot blast that hot-blast outlet is discharged can be used to improve the temperature of combustion gas, oxygen needed for fuel gas buring can also be provided simultaneously, this be conducive to improve heat utilization rate and combustion gas efficiency of combustion so that the application provide multiple hearth furnace have the advantages that it is energy-efficient.
Description
Technical field
The present invention relates to field of metallurgy, in particular to a kind of multiple hearth furnace system.
Background technology
It is domestic main by using the mode that diameter phi is 6500mm, 12 layers of multiple hearth furnace calcining molybdenum concentrate in molybdenum field
Production molybdenum oxide.Molybdenum concntrate disposal ability is 3~3.5t/h, and between each 550~800 DEG C of layer sintering temperature scope, fuel is day
Right gas, with air mixed combustion.Multiple hearth furnace intermediate rotary shaft be hollow structure, using air cool down, cooling air quantity be 15000~
20000Nm3/ h, 250~350 DEG C of hot blast temperature, hot blast is directly emptied after calcining.
In magnesium field, domestic is 5000~7800mm, 15~19 layers of multiple hearth furnace calcining magnesite more by using diameter phi
The mode of ore deposit produces light magnesium oxide.Between 950~1100 DEG C of calcination temperature range, fuel is natural gas, and combustion is mixed with air
Burn.Multiple hearth furnace intermediate rotary shaft is hollow structure, is cooled down using air, and cooling air quantity is 30000~50000Nm3/ h, hot blast temperature
250~350 DEG C, hot blast is directly emptied after calcining.
In zinc field, it is domestic it is many be 5000~6500mm using diameter phis, at the mode of 10~12 layers of multiple hearth furnace calcining
Reason high-fluorine chlorine zinc oxide, volatilization removing fluorine chlorine therein, 600~700 DEG C of volatilization temperature scope, fuel is coal gas, mixed with air
Combination burning.Multiple hearth furnace intermediate rotary shaft is hollow structure, is cooled down using air, and cooling air quantity is 10000~20000Nm3/ h, hot blast
250~300 DEG C of temperature, hot blast is directly emptied after calcining.
As can be seen here, the hot blast that cooling multiple hearth furnace intermediate rotary shaft is obtained in existing field is not utilized effectively, so that
Cause the significant wastage of the energy.
The content of the invention
It is a primary object of the present invention to providing a kind of multiple hearth furnace system, to solve existing multiple hearth furnace, energy-conservation is not asked
Topic.
To achieve these goals, the invention provides a kind of multiple hearth furnace system, including multiple hearth furnace, multiple hearth furnace is provided with heat
Wind is exported and fuel gas inlet, and hot-blast outlet is connected with fuel gas inlet through hot blast conveying pipe road.
Further, fuel gas inlet is multiple, and multiple fuel gas inlets are from top to bottom successively set on the side wall of multiple hearth furnace.
Further, multiple hearth furnace system also includes hot-blast conveying appliance, and hot-blast conveying appliance is arranged on hot blast conveying pipe road
On.
Further, multiple hearth furnace system is additionally provided with evacuation port, and evacuation port is arranged on hot-blast outlet and hot-blast conveying appliance
Between hot blast conveying pipe road on.
Further, multiple hearth furnace system also includes the first valve, and the first valve is arranged on evacuation port and hot-blast conveying appliance
Between hot blast conveying pipe road on.
Further, multiple hearth furnace is additionally provided with cold air inlet, and multiple hearth furnace system also includes cold wind conveying device, cold wind conveying
Device is connected with cold air inlet.
Further, hot-blast conveying appliance is frequency conversion fan.
Further, multiple hearth furnace also includes rotating shaft, and rotating shaft is arranged in the thorax of multiple hearth furnace along the axis of multiple hearth furnace, and rotating shaft
It is hollow structure, cold air inlet is the bottom inlet of rotating shaft, and hot-blast outlet is the top exit of rotating shaft.
Further, multiple hearth furnace also includes multiple burners, and multiple burners may be contained within the inside of multiple hearth furnace, burner
Corresponded with fuel gas inlet and set, and burner is connected with corresponding fuel gas inlet.
Further, multiple hearth furnace system also includes the second valve, and the second valve is arranged on the emptying being connected with evacuation port
On pipeline.
Apply the technical scheme of the present invention, the hot-blast outlet of multiple hearth furnace is connected with fuel gas inlet, this can be by from heat
The heat contained in the hot blast of wind outlet discharge is used to improve the temperature of combustion gas, while the oxygen needed for fuel gas buring is provided, this
Be conducive to improve heat utilization rate and combustion gas efficiency of combustion so that the application provide multiple hearth furnace have it is energy-efficient
The advantages of.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, of the invention to show
Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.In the accompanying drawings：
Fig. 1 shows the structural representation of the multiple hearth furnace system that a kind of typical implementation method of the invention is provided.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, multiple hearth furnace；11st, hot-blast outlet；12nd, fuel gas inlet；13rd, evacuation port；14th, the first valve；15th, cold air inlet；
16th, rotating shaft；17th, burner；18th, the second valve；20th, hot-blast conveying appliance；30th, cold wind conveying device.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As described by background technology, there is not energy-conservation in existing multiple hearth furnace.Asked to solve above-mentioned technology
Topic, as shown in figure 1, the invention provides a kind of multiple hearth furnace system, including multiple hearth furnace 10, multiple hearth furnace 10 is provided with hot-blast outlet 11
With fuel gas inlet 12, hot-blast outlet 11 is connected with fuel gas inlet 12 through hot blast conveying pipe road.
As previously described, the temperature of the hot blast discharged from the hot-blast outlet of multiple hearth furnace is higher, if can not be right
This part hot blast is used and will cause great thermal waste.The multiple hearth furnace that the application is provided is by its hot-blast outlet 11 and combustion gas
The heat for containing that is connected in the hot blast that will can be discharged from hot-blast outlet 11 of entrance 12 is used to improve the temperature of combustion gas, while also
Oxygen needed for fuel gas buring can be provided, this is conducive to improving the utilization rate of heat and the efficiency of combustion of combustion gas, so that
The multiple hearth furnace that the application is provided has the advantages that energy-efficient.
Preferably, the multiple hearth furnace that the application is provided is applied to the production of molybdenum, magnesium and zinc and ignition temperature is more than 450 DEG C
Production technology.Preferably, the temperature of the hot blast of the discharge of hot-blast outlet 11 is 250~350 DEG C, and this is advantageously reduced to multiple hearth furnace
The requirement of manufacture material heat resistance, so as to save manufacturing cost.
In a preferred embodiment, as shown in figure 1, fuel gas inlet 12 is multiple, multiple fuel gas inlets 12 are by upper
It is successively set under on the side wall of multiple hearth furnace 10.Multiple fuel gas inlets are set on multiple hearth furnace 10, are conducive to making multiple hearth furnace 10
Each burner hearth be respectively provided with abundance combustion gas, and then be conducive to improve multiple hearth furnace 10 efficiency of combustion, while controlling each burner hearth respectively
Temperature.Preferably, thermometer is respectively provided with each burner hearth of multiple hearth furnace, this is conducive to accurately observing the burning of each burner hearth
Temperature, to adjust the flow of combustion gas in time.
The multiple hearth furnace that the application is provided has the advantages that energy-efficient.In a preferred embodiment, such as Fig. 1 institutes
Show, multiple hearth furnace system also includes hot-blast conveying appliance 20, hot-blast conveying appliance 20 is arranged on hot blast conveying pipe road.It is defeated in hot blast
Setting hot-blast conveying appliance 20 on pipeline is sent to be conducive to providing power for the hot blast discharged from hot-blast outlet 11, when shortening transmission
Between, reduce the thermal loss in transmitting procedure.
In a preferred embodiment, as shown in figure 1, multiple hearth furnace system is additionally provided with evacuation port 13, evacuation port 13
It is arranged on the hot blast conveying pipe road between hot-blast outlet 11 and hot-blast conveying appliance 20.Dress is conveyed in hot-blast outlet 11 and hot blast
Setting evacuation port 13 on the hot blast conveying pipe road between 20 is put to be conducive to adjusting the heat in hot blast conveying pipe road according to the amount of combustion gas
Wind conveying capacity.
In a preferred embodiment, as shown in figure 1, multiple hearth furnace system also includes the first valve 14, the first valve
14 are arranged on the hot blast conveying pipe road between evacuation port 13 and hot-blast conveying appliance 20.First is set on hot blast conveying pipe road
Valve 14 is conducive to the ignition temperature in multiple hearth furnace to decide whether to heat air delivery in multiple hearth furnace.
In a preferred embodiment, multiple hearth furnace 10 is additionally provided with cold air inlet 15, and multiple hearth furnace system also includes cold
Wind conveying device 30, cold wind conveying device 30 is connected with cold air inlet 15.The cold air inlet 15 of multiple hearth furnace and cold wind are conveyed
Device 30 is connected, and is conducive to adjusting the intake of cold wind, so as to be conducive to adjusting the temperature of multiple hearth furnace.Preferably, cold wind is
Air, this advantageously reduces process costs.
In a preferred embodiment, hot-blast conveying appliance 20 is frequency conversion fan.It is defeated using frequency conversion fan as hot blast
The air quantity that sending combustion gas in each burner hearth that device 20 is conducive to according to multiple hearth furnace needs adjusts the conveying capacity of hot blast.In actually used mistake
Cheng Zhong, it is preferable that on the direction of hot wind flow, flowmeter is set in the upstream of hot-blast conveying appliance 20, defeated to measure hot blast
The hot air flow in pipeline is sent, when hot blast rate needed for the exhaust air rate of hot-blast outlet exceedes, hot blast is discharged from evacuation port, and then
The multiple hearth furnace for providing the application has the advantages that Automated condtrol.
In a preferred embodiment, as shown in figure 1, multiple hearth furnace 10 includes rotating shaft 16, and rotating shaft 16 is along multiple hearth furnace
10 axis is arranged in the thorax of multiple hearth furnace 10, and rotating shaft 16 is hollow structure, and cold air inlet 15 is the bottom inlet of rotating shaft 16, heat
Wind outlet 11 is the top exit of rotating shaft 16.The rotating shaft of multiple hearth furnace is set to hollow structure, and cold air inlet 15 is rotating shaft 16
Bottom inlet, hot-blast outlet 11 for rotating shaft 16 top exit, this is conducive to simplifying the structure of multihearth, and saving is manufactured into
This；The heat exchanger time of cold wind can also be improved simultaneously, the temperature of the hot blast from hot-blast outlet discharge is improved, so be conducive into
The energy-saving efficiency of one step multiple hearth furnace.It is preferred that the top and bottom of rotating shaft 16 extend respectively to the outside of multiple hearth furnace 10.
In a preferred embodiment, as shown in figure 1, multiple hearth furnace 10 also includes multiple burners 17, multiple burning
Device 17 may be contained within the inside of multiple hearth furnace 10, and burner 17 is corresponded with fuel gas inlet 12 and set, and burner 17 with it is corresponding
Fuel gas inlet 12 be connected.Burner 17 and fuel gas inlet 12 are corresponded the temperature being provided with beneficial to each burner hearth is controlled respectively
Degree.
In a preferred embodiment, as shown in figure 1, multiple hearth furnace system also includes the second valve 18, the second valve
18 are arranged on the emptying pipeline being connected with evacuation port 13.The second valve 18 is set on emptying pipeline is conducive to regulation to empty
The flow of the hot blast discharged on pipeline.
In actual production process, the multiple hearth furnace provided using the application in molybdenum roasting process, molybdenum oxide product per ton
Gas consumption by 120m3/ t is down to 52m3/ t, energy-conservation more than 57%；Carried using the application in zinc oxide defluorinate chlorine process
The multiple hearth furnace of confession, the gas consumption of zinc oxide per ton is by 500m3/ t is down to 346m3/ t, energy-conservation more than 30%；This Shen is used simultaneously
The multiple hearth furnace calcined magnesite production light magnesium oxide that please be provided, unit product consumption of coal amount is down to by 210kgce/t
130kgce/t, can be with energy-conservation more than 35%.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of multiple hearth furnace system, including multiple hearth furnace (10), the multiple hearth furnace (10) is provided with hot-blast outlet (11) and combustion gas enters
Mouth (12), it is characterised in that the hot-blast outlet (11) is connected with the fuel gas inlet (12) through hot blast conveying pipe road.
2. multiple hearth furnace system according to claim 1, it is characterised in that the fuel gas inlet (12) is multiple, Duo Gesuo
Fuel gas inlet (12) is stated from top to bottom to be successively set on the side wall of the multiple hearth furnace (10).
3. multiple hearth furnace system according to claim 2, it is characterised in that the multiple hearth furnace system also includes that hot blast conveys dress
Put (20), the hot-blast conveying appliance (20) is arranged on the hot blast conveying pipe road.
4. multiple hearth furnace system according to claim 3, it is characterised in that the multiple hearth furnace system is additionally provided with evacuation port
(13), the evacuation port (13) is arranged on the hot blast between the hot-blast outlet (11) and the hot-blast conveying appliance (20)
On transfer pipeline.
5. multiple hearth furnace system according to claim 4, it is characterised in that the multiple hearth furnace system also includes the first valve
(14), first valve (14) is arranged on the hot blast between the evacuation port (13) and the hot-blast conveying appliance (20)
On transfer pipeline.
6. multiple hearth furnace system according to any one of claim 1 to 5, it is characterised in that the multiple hearth furnace (10) also sets
Be equipped with cold air inlet (15), the multiple hearth furnace system also includes cold wind conveying device (30), the cold wind conveying device (30) with
The cold air inlet (15) is connected.
7. multiple hearth furnace system according to claim 2, it is characterised in that the hot-blast conveying appliance (20) is frequency conversion wind
Machine.
8. multiple hearth furnace system according to claim 6, it is characterised in that the multiple hearth furnace system also includes rotating shaft (16),
The rotating shaft (16) is arranged in the thorax of the multiple hearth furnace (10) along the axis of the multiple hearth furnace (10), during the rotating shaft (16) is
Hollow structure, the cold air inlet (15) is the bottom inlet of the rotating shaft (16), and the hot-blast outlet (11) is the rotating shaft
(16) top exit.
9. the multiple hearth furnace system according to any one of claim 3 to 5, it is characterised in that the multiple hearth furnace (10) is also wrapped
Multiple burners (17) are included, multiple burners (17) may be contained within the inside of the multiple hearth furnace (10), the burner
(17) corresponded with the fuel gas inlet (12) and set, and the burner (17) and corresponding fuel gas inlet (12) phase
Connection.
10. multiple hearth furnace system according to claim 4, it is characterised in that the multiple hearth furnace system also includes the second valve
(18), second valve (18) is arranged on the emptying pipeline being connected with the evacuation port (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710090191.9A CN106766968A (en) | 2017-02-20 | 2017-02-20 | multiple hearth furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710090191.9A CN106766968A (en) | 2017-02-20 | 2017-02-20 | multiple hearth furnace system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106766968A true CN106766968A (en) | 2017-05-31 |
Family
ID=58957801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710090191.9A Pending CN106766968A (en) | 2017-02-20 | 2017-02-20 | multiple hearth furnace system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106766968A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979584A (en) * | 2020-08-21 | 2020-11-24 | 上海朗银压力容器有限公司 | Vertical biphenyl furnace |
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|---|---|---|---|---|
| JPS5242662A (en) * | 1975-09-26 | 1977-04-02 | Passavant Werke | Combusting method of solid fuel in power furnace * especially cascade furnace and incinerator performing it |
| US4481890A (en) * | 1980-09-29 | 1984-11-13 | Sterling Drug Inc. | Method for controlling temperatures in the afterburner and combustion hearths of a multiple hearth furnace |
| US5080025A (en) * | 1990-10-29 | 1992-01-14 | Marquess And Nell, Inc. | Cocurrent oxidation method in a multiple hearth furnace |
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| US20050217545A1 (en) * | 2004-04-01 | 2005-10-06 | Barry Louis T | Method and apparatus for controlling combustion in a furnace |
| CN206563499U (en) * | 2017-02-20 | 2017-10-17 | 中国恩菲工程技术有限公司 | Multiple hearth furnace system |
-
2017
- 2017-02-20 CN CN201710090191.9A patent/CN106766968A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5242662A (en) * | 1975-09-26 | 1977-04-02 | Passavant Werke | Combusting method of solid fuel in power furnace * especially cascade furnace and incinerator performing it |
| US4481890A (en) * | 1980-09-29 | 1984-11-13 | Sterling Drug Inc. | Method for controlling temperatures in the afterburner and combustion hearths of a multiple hearth furnace |
| US5080025A (en) * | 1990-10-29 | 1992-01-14 | Marquess And Nell, Inc. | Cocurrent oxidation method in a multiple hearth furnace |
| CN1180812A (en) * | 1996-10-25 | 1998-05-06 | 普拉塞尔技术有限公司 | Apparatus and method for oxygen lancing in multiple hearth furnace |
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| Title |
|---|
| 刘麟贞主编: "《先进通用节能技术》", 中国建筑工业出版社, pages: 142 - 143 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979584A (en) * | 2020-08-21 | 2020-11-24 | 上海朗银压力容器有限公司 | Vertical biphenyl furnace |
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Application publication date: 20170531 |