CN107228570A - A kind of method of anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN - Google Patents
A kind of method of anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN Download PDFInfo
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- CN107228570A CN107228570A CN201610167830.2A CN201610167830A CN107228570A CN 107228570 A CN107228570 A CN 107228570A CN 201610167830 A CN201610167830 A CN 201610167830A CN 107228570 A CN107228570 A CN 107228570A
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- air
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- anode
- furnace chamber
- carbon block
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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
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The present invention relates to the plain production field of charcoal, more particularly to a kind of method of anode-baking furnace (cooling furnace chamber) UTILIZATION OF VESIDUAL HEAT IN, the used heat of cooling furnace chamber is mainly used to preheat initial normal temperature carbon block, to reach the purpose of the reduction noxious gas emission such as ton product energy consumption and carbon dioxide.The heat that anode-baking furnace is cooled down into furnace chamber leads to hot furnace chamber to be added, to improve the initial temperature of raw carbon block.Hot-air house steward is set in the middle part of the body of heater of anode-baking furnace, hot-air inner manifold is provided with insulating lining and tedge air port lid, by the hot-air house steward in the middle part of body of heater and air connecting tube, cooling furnace chamber is connected with the quirk of hot furnace chamber to be added, complete carbon block pre-heating system is formed.The present invention is laid out optimization by cleverly thinking on the premise of furnace binding is not changed to boiler face equipment and operating method, and the purpose that preheating reduction unit of the product energy consumption and waste gas are discharged is carried out to normal temperature carbon block by cooling down the heat of furnace chamber to reach.
Description
Technical field
The present invention relates to the plain production field of charcoal, more particularly to a kind of anode-baking furnace (cooling furnace chamber) waste heat profit
Method, mainly uses the used heat of cooling furnace chamber to preheat initial normal temperature carbon block, to reach reduction ton product
The purpose of the noxious gas emission such as energy consumption and carbon dioxide.
Background technology
Anode-baking furnace in process of production, because the accumulation of heat and radiation loss of body of heater, fugitive constituent utilization rate are low,
UTILIZATION OF VESIDUAL HEAT IN is insufficient to wait many factors to cause a ton product energy consumption height, wastes substantial amounts of fuel, adds simultaneously
The discharge of a large amount of pernicious gases, causes the pollution to environment in flue gas.
Existing anode-baking furnace, is mainly heated by periodicity indirect heat exchange to carbon block, in heating roasting
It is (burning rack, smoke discharge frame, cold to the combustion control system of boiler face according to certain heating curve during burning
But and thermometric rack of measuring pressure etc.) carry out regularly unidirectional mobile, form the process of periodicity ring type heating.It is to be added
The carbon block of heat is finally completed whole heating process and enters lower road by preheating, heating, insulation, cooling procedure
Process.According to the heating requirements roasting oven chamber of carbon block be also divided into accordingly preheating zone, heating zone, cooling zone,
Stove area, maintenance maintenance area are taken on, in cooling zone, mainly the carbon block for completing final heating is cooled down,
To reach suitable tapping temperature.Cold air is mainly blown to cold by the mode of cooling carbon block by forced draft blower
But in the quirk of furnace chamber, high temperature carbon block is cooled indirectly, most final temperature after cold air is exchanged heat with flue wall
About 600-700 DEG C of degree, this partial heat is directly discharged in calcination department, always not by rationally effective profit
With on the one hand result in the huge waste of heat, on the other hand pollute workshop condition, simultaneously because hot blast temperature
Degree is higher, easily forms potential potential safety hazard.
For a long time, this part cooling furnace chamber heat be not effectively used always, mainly with furnace type structure,
The factors such as production operation mode, the operating space of boiler face, investment and labor strength increase are relevant.But at present
In the national energy-saving and emission-reduction of promotion energetically, advocate under the overall background of green circulatory industry, high pollution, the biography of highly energy-consuming
System industry is had difficulty in taking a step, especially in smelting field of nonferrous metal, and the energy consumption of reduction aluminium and Related product is extremely urgent.
The content of the invention
It is an object of the invention to provide a kind of method of anode-baking furnace (cooling furnace chamber) UTILIZATION OF VESIDUAL HEAT IN, mainly
It is that on the premise of furnace binding is not changed, boiler face equipment and operating method are laid out by cleverly thinking
Optimization, preheating reduction unit of the product energy consumption and waste gas are carried out to normal temperature carbon block to reach by cooling down the heat of furnace chamber
The purpose of discharge.
The technical scheme is that：
A kind of method of anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN, the heat that anode-baking furnace is cooled down into furnace chamber leads to be heated
Furnace chamber, to improve the initial temperature of raw carbon block.
The method of described anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN, sets hot-air total in the middle part of the body of heater of anode-baking furnace
Pipe, hot-air inner manifold is provided with insulating lining and tedge air port lid, total by the hot-air in the middle part of body of heater
Pipe and air connecting tube, cooling furnace chamber is connected with the quirk of hot furnace chamber to be added, forms complete carbon block preheating system
System.
The method of described anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN, hot-air house steward both sides are symmetrical arranged cross wall, cross wall top
Portion is provided with corresponding plate mouthful, and plate mouthful is furnished with sealing plug-in board, by setting plate in cross wall, to ensure carbon
Block pre-heating system has stable negative pressure and good sealing.
There is the method for described anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN, every anode-baking furnace 1-4 to cover carbon block preheating system
System.
The method of described anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN, it is periodical operation, interval often to cover carbon block pre-heating system
Cycle is identical with the Baking profile of former stove.
The method of described anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN, the moving direction and former stove for often covering carbon block pre-heating system fires
Control system is identical.
The method of described anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN, air blower is set in the front end fire channel of cooling furnace chamber,
Air-introduced machine is set in the end fire channel of hot furnace chamber to be added, both air blower and air-introduced machine are arranged or only arranged simultaneously
One of.
The method of described anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN, by two air-discharging connecting tubes by hot-air house steward with it is cold
But furnace chamber is connected with hot furnace chamber to be added, forms complete air circulation pipeline.
The present invention design philosophy be：
The invention mainly includes the used heat for cooling down furnace chamber is led into hot furnace chamber to be added, to improve carbon block to be heated
Initial temperature, so as to reduce the energy consumption index of ton product.In order to achieve the above object, anode-baking of the present invention
Stove residual-heat utilization method, sets air blower, in hot furnace chamber to be added in cooling furnace chamber (2-4) front end fire channel
End fire channel air-introduced machine is set, total collect air road is set in the middle part of furnace chamber, passes through two air-discharging connecting tubes
Hot-air house steward is connected with cooling furnace chamber and hot furnace chamber to be added, complete air circulation pipeline is formed.In order to protect
The stabilization and sealing of whole system are demonstrate,proved, sets cross wall to insert at the two ends of the end of cooling furnace chamber and hot furnace chamber to be added
Plate.By theoretical calculation, cooling furnace chamber gas vent maximum temperature, can be by the beginning of prebaked anode up to 700 DEG C
Beginning temperature is improved to 250-300 DEG C, and roasting product per ton can save 6-8Nm3Natural gas, energy-saving effect is very considerable.
Advantages of the present invention and have the beneficial effect that：
1st, the present invention can effectively reduce the energy consumption of unit product of anode-baking furnace, and effects of energy saving and emission reduction is obvious.
2nd, the present invention does not change the furnace binding of roaster, only can meet pre- by the transformation to boiler face shelf
The requirement of hot carbon block.
3rd, the present invention improves plant operations environment, and labor strength does not increase substantially.
4th, the present invention to shorten Baking profile, to effectively improve fugitive constituent in anode yield and index, quirk abundant
Burning provides potential feasibility.
5th, the apparatus structure that the inventive method is economical and practical, used is simple, it is easy to implement.
Brief description of the drawings
Fig. 1 is the plane schematic top plan view of anode-baking furnace of the present invention.
In figure, 1, cross wall；2nd, quirk；3rd, smoke discharge frame；4th, plate；5th, air connecting tube；6th, it is to be added
Hot carbon block；7th, hot-air house steward；8th, air-introduced machine；9th, air blower；10th, air port lid；11st, furnace chamber is cooled down；
12nd, hot furnace chamber to be added.
Embodiment
As shown in figure 1, anode-baking furnace of the present invention mainly includes：Cross wall 1, quirk 2, smoke discharge frame 3, plate
4th, air connecting tube 5, carbon block to be heated 6, hot-air house steward 7, air-introduced machine 8, air blower 9, air port lid
10th, cooling furnace chamber 11, hot furnace chamber to be added 12 etc., concrete structure is as follows：
Hot-air house steward 7 is set in the middle part of the body of heater of anode-baking furnace, and the both sides of hot-air house steward 7 are respectively cold
But carbon block 6 to be heated, hot-air house steward 7 are set in furnace chamber 11 and hot furnace chamber to be added 12, hot furnace chamber 12 to be added
Both sides are symmetrical arranged cross wall 1, and the side of hot-air house steward 7 is connected with air connecting tube 5, hot-air house steward 7
Opposite side distinguish air connecting tube 5 and connected with smoke discharge frame 3.
The inside of hot-air house steward 7 is provided with insulating lining and tedge air port lid 10, and the correspondence of hot-air house steward 7 is horizontal
The position of wall 1 or fire channel sets tedge to connect road and equipped with corresponding air port lid 10, by the middle part of body of heater
Hot-air house steward 7 and air connecting tube 5, will cooling furnace chamber 11 connected with the quirk 2 of hot furnace chamber 12 to be added,
Form complete carbon block pre-heating system.
The top of cross wall 1 is provided with corresponding plate mouthful, and plate mouthful is furnished with sealing plug-in board 4, by being set in cross wall 1
Plate 4 is put, to ensure that carbon block pre-heating system has stable negative pressure and good sealing.Every anode-baking
Stove has 1-4 to cover carbon block pre-heating system, and it is periodical operation, gap periods and former stove often to cover carbon block pre-heating system
Baking profile it is identical, it is identical that the moving direction and former stove for often covering carbon block pre-heating system fire control system.
Air blower 9 is set in the front end fire channel of cooling furnace chamber 11, in the end fire channel of hot furnace chamber 12 to be added
Air-introduced machine 8, both air blower 9 and air-introduced machine 8 are set while arrangement or only one of arrangement, pass through two air-dischargings
Connecting tube 5 connects hot-air house steward 7 with cooling furnace chamber 11 and hot furnace chamber to be added 12, forms complete air
Flow pipe.
As shown in figure 1, the direction of arrow is flame moving direction, carbon block pre-heating system carries out periodical operation, behaviour
Make the cycle identical with boiler face combustion control system.The starting stage in stove cycle is being moved every time, opens air blower 9, will
Cold air in workshop is blasted in quirk 2, and cold air carries out heat exchange along journey and the inwall of quirk 2, indirectly to cold
But the high temperature carbon block in furnace chamber 11 is cooled down, after the hot-air after heat exchange is by 2-4 cooling furnace chamber 11,
Entered by air connecting tube 5 in hot-air house steward 7, hot-air house steward 7 passes through airport in production period
Lid 10 is sealed, and hot-air house steward 7 at utmost reduces air heat loss in inside provided with insulating lining.It is hot empty
Gas enters the front end of smoke discharge frame 3, the indirectly heat of quirk 2 of hot furnace chamber 12 to be added by air connecting tube 5 again
Carbon block 6 to be heated, can determine the quantity (one of hot furnace chamber 12 to be added according to the requirement of temperature parameter and production technology
As 1-3 furnace chamber), air themperature after heat exchange declines, and finally reaches the fire channel of end furnace chamber, and passes through
Air-introduced machine 8 is discharged into calcination department, in order to meet the negative pressure requirements of air outlet slit, the cross wall of furnace chamber in end
The position of 1 correspondence quirk is provided with plate 4, and plate 4 is accordingly moved with the movement of whole carbon block pre-heating system.
Claims (8)
1. a kind of method of anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN, it is characterised in that anode-baking furnace is cooled down into furnace chamber
Heat leads to hot furnace chamber to be added, to improve the initial temperature of raw carbon block.
2. the method for anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN according to claim 1, it is characterised in that in sun
Hot-air house steward is set in the middle part of the body of heater of pole roaster, and hot-air inner manifold is empty provided with insulating lining and tedge
Air-vent cap, by the hot-air house steward in the middle part of body of heater and air connecting tube, will cool down furnace chamber and hot furnace chamber to be added
Quirk is connected, and forms complete carbon block pre-heating system.
3. the method for anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN according to claim 2, it is characterised in that heat is empty
Gas house steward both sides are symmetrical arranged at the top of cross wall, cross wall provided with corresponding plate mouthful, and plate mouthful is furnished with sealing plug-in board,
By setting plate in cross wall, to ensure that carbon block pre-heating system has stable negative pressure and good sealing.
4. the method for anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN according to claim 2, it is characterised in that every
There is anode-baking furnace 1-4 to cover carbon block pre-heating system.
5. the method for the anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN according to claim 2 or 4, it is characterised in that
Often set carbon block pre-heating system is periodical operation, and gap periods are identical with the Baking profile of former stove.
6. the method for the anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN according to claim 2 or 4, it is characterised in that
Often the moving direction of set carbon block pre-heating system is identical with former stove combustion control system.
7. the method for anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN according to claim 1 or 2, it is characterised in that
Air blower is set in the front end fire channel of cooling furnace chamber, air-introduced machine is set in the end fire channel of hot furnace chamber to be added,
Both air blower and air-introduced machine are while arrangement or only one of arrangement.
8. the method for anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN according to claim 1 or 2, it is characterised in that
Hot-air house steward is connected with cooling furnace chamber and hot furnace chamber to be added by two air-discharging connecting tubes, complete sky is formed
Gas flow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167830.2A CN107228570A (en) | 2016-03-23 | 2016-03-23 | A kind of method of anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167830.2A CN107228570A (en) | 2016-03-23 | 2016-03-23 | A kind of method of anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107228570A true CN107228570A (en) | 2017-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610167830.2A Pending CN107228570A (en) | 2016-03-23 | 2016-03-23 | A kind of method of anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN |
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| CN (1) | CN107228570A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439999A (en) * | 2018-03-14 | 2018-08-24 | 江苏苏菱铝用阳极有限公司 | A kind of method of roasting for improving prebaked anode product yield and reducing energy consumption |
| CN109579556A (en) * | 2018-12-29 | 2019-04-05 | 河南华索科技有限公司 | A kind of carbon roasting furnace turn negative pressure adjusting device |
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| CN201990606U (en) * | 2011-04-01 | 2011-09-28 | 郑州中实赛尔科技有限公司 | Anode baking control device for aluminum electrolysis cell |
| CN102748942A (en) * | 2012-07-26 | 2012-10-24 | 福建省佳美集团公司 | Wide-bodied energy-saving and environment-friendly tunnel kiln |
| CN103159203A (en) * | 2011-12-08 | 2013-06-19 | 贵阳铝镁设计研究院有限公司 | Ring-type baking furnace for carbon production |
| CN105502337A (en) * | 2015-12-28 | 2016-04-20 | 沈阳津沃技术发展有限责任公司 | Vehicle type roasting furnace and heat treatment production line comprising same |
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2016
- 2016-03-23 CN CN201610167830.2A patent/CN107228570A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201990606U (en) * | 2011-04-01 | 2011-09-28 | 郑州中实赛尔科技有限公司 | Anode baking control device for aluminum electrolysis cell |
| CN103159203A (en) * | 2011-12-08 | 2013-06-19 | 贵阳铝镁设计研究院有限公司 | Ring-type baking furnace for carbon production |
| CN102748942A (en) * | 2012-07-26 | 2012-10-24 | 福建省佳美集团公司 | Wide-bodied energy-saving and environment-friendly tunnel kiln |
| CN105502337A (en) * | 2015-12-28 | 2016-04-20 | 沈阳津沃技术发展有限责任公司 | Vehicle type roasting furnace and heat treatment production line comprising same |
Non-Patent Citations (1)
| Title |
|---|
| 陈宁等: "对焙烧炉送风的探讨", 《轻金属》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439999A (en) * | 2018-03-14 | 2018-08-24 | 江苏苏菱铝用阳极有限公司 | A kind of method of roasting for improving prebaked anode product yield and reducing energy consumption |
| CN109579556A (en) * | 2018-12-29 | 2019-04-05 | 河南华索科技有限公司 | A kind of carbon roasting furnace turn negative pressure adjusting device |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171003 |
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| RJ01 | Rejection of invention patent application after publication |