CN105502337B - Vehicle type roaster and the heat-treatment production line for including vehicle type roaster - Google Patents
Vehicle type roaster and the heat-treatment production line for including vehicle type roaster Download PDFInfo
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- CN105502337B CN105502337B CN201510998599.7A CN201510998599A CN105502337B CN 105502337 B CN105502337 B CN 105502337B CN 201510998599 A CN201510998599 A CN 201510998599A CN 105502337 B CN105502337 B CN 105502337B
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Abstract
The invention provides a kind of vehicle type roaster, including body of heater, the main attachment means of flue being set in the side of the body of heater, opposite side sets the auxiliary attachment means of flue, multigroup body of heater is sequentially connected with integrally by the main attachment means of flue and the auxiliary attachment means of flue.The present invention also provides a kind of heat-treatment production line for including vehicle type roaster, including, the combination vehicle type roaster formed is sequentially connected with by multigroup vehicle type roaster.
Description
Technical field
The present invention relates to the raw product roasting technology field of carbon product, more particularly to a kind of vehicle type roaster and include car
The heat-treatment production line of formula roaster.
Background technology
The raw product roasting of carbon product is heat treatment process, and the carbon green compact after shaping are placed by technique productions requirement
In roaster hopper, the metallurgical coke of below 6mm granularities is loaded around green compact, or petroleum coke powder is used as protection medium,
High-temperature heat treatment is carried out by certain temperature schedule under conditions of air is completely cut off, makes the binder pitch coking charcoal in green compact
Change, and the process treatment process that particles of aggregates is consolidated.
At present, the green compact roasting of metallurgical carbon product, aluminium carbon product and extraordinary carbon (graphite) production both at home and abroad
Burn widely used ring-type baking furnace with cover (Rui Dehamu stoves), open roasting furnace and underbody formula roaster.
The heat treatment production operation technique system of ring-type baking furnace with cover and open roasting furnace roasting carbon product raw product
Essentially identical, each 14~20 production furnace chambers of baking heat system setting are spent, wherein：6~10 heated oven chamber, 6~7 it is cold
But furnace chamber, 2 products take on furnace chamber and 1 checks standby furnace chamber, and every roaster can set 2~3 baking heat systems,
Each baking heat system independent operating, control.As shown in figure 1, for single heating system, each furnace chamber is divided into roasting in system
Area, preheating zone, cooling zone and for shove charge, the other areas come out of the stove and the operation such as overhaul are burnt, along flow of flue gas direction, is set successively
Put hot blast and extract equipment CR, air blast frame BR, zero-pressure frame ZPR, burning rack, thermometric rack of measuring pressure TPR and smoke discharge frame ER out.
Each baking heat system sets 3 sets of burning racks HR1, HR2 and HR3, or four sets of burning racks in roast area, right respectively
Each furnace chamber/quirk is heated, while measures area's flue temperature, trip temperature closed-loop control of going forward side by side.Each furnace chamber/quirk
Temperature computer heating control process is as follows：Combustion air is sent into furnace chamber/quirk from cooling zone, is preheated using cooling zone furnace chamber, dropped simultaneously
The temperature of the low each furnace chamber in cooling zone；In baking heat area upstream, the gas flow temperature lifting of furnace chamber/quirk is arrived by blasting fuel
Setting value heating roasting furnace chamber；Heat preheating furnace chamber one by one using the flue gas of high temperature furnace chamber, flue-gas temperature with air flow direction by
Gradually reduce, the flue temperature of preheating zone is adjusted by adjusting smoke discharge frame ER negative pressure.It is whole after each heating process end cycle
Individual baking heat system moves a furnace chamber along flow of flue gas direction.
But using the heat treatment of ring-type baking furnace with cover and open roasting furnace as roasting carbon product carbon product
Facility mainly has the shortcomings that following aspect：
1st, during green compact heating roasting, coal pitch of agglomerant there are about 30~40% due to the physical-chemical reaction such as distilling, decomposing
Coal tar pitch is escaped and entered in flue gas with gaseous state fugitive constituent in 250~600 DEG C of temperature ranges, is waved because the burning-point of fugitive constituent is higher than
The temperature of heated oven chamber/flue when sending out part discharge, most of fugitive constituent can not directly burn in effusion, with flue gas stream through low
Temperature preheating furnace chamber discharge, the purified treatment measure of current tarvia flue gas, except high temperature incineration method, spray combines with electric fishing
Method, effect is not ideal, causes environmental pollution.
2nd, temperature computer heating control process be using high temperature furnace chamber flue gas as air flow direction heats preheating furnace chamber one by one,
During high-temperature flue gas heating preheating furnace chamber, adjust flue gas stream without any measure and furnace chamber is preheated to different temperatures section
Heating intensity, cause green compact baking heat curve long.The production capacity of roaster is not only reduced, also causes roasting semi-finished product
Residence time in stove is long, increases the circulation cycle of semi-finished product on a production line, adds the circulating fund of enterprise.
3rd, take and blast combustion air, the amount of blasting of zero-pressure frame ZPR control combustion airs is set before first burning rack,
It is malleation in 3~4 furnace chamber quirks between air blast frame BR and first burning rack, combustion air enters from flue wall gap
Hopper or furnace chamber, directly 1000 DEG C or so of high temperature filler material is aoxidized, considerably increases the consumption of calcining filler.
4th, the stove operation that takes on of carbon product raw product roasted product and inserts generally uses Multi-function equipments, causes soil
Construction cost raising is applied in construction.
5th, it is big to yield, it is necessary to during more roasters roasting carbon product raw products, carbon product before roasting and after roasting
Transhipment amount it is larger.
6th, due to the characteristic and ring-type baking furnace with cover of refractory material, the fault of construction of open roasting furnace, average every 7~
9 years flue walls that need to remove roaster or furnace chamber carry out full maintenance, and maintenance time is long and can not be calcined within the maintenance period
Carbon product.
7th, due to the structure of ring-type baking furnace with cover and open roasting furnace the characteristics of, to roasting during production operation
Furnace charge case upper and lower temperature difference and the guaranteed extent of the horizontal temperature difference are worse and worse, it is difficult to meet big specification carbon product bulk density it is big,
The good requirement of high mechanical strength, homogeneity.
When underbody formula roaster is as the heat treatment facility for being calcined carbon product carbon product, can effectively it avoid above-mentioned
1st, the 2nd, the 3rd, the 7th shortcoming, but energy consumption is significantly larger than ring-type baking furnace with cover and open roasting furnace, and construction cost compared with
It is high.
The content of the invention
In order to solve the above technical problems, the one of purpose of the present invention is to provide a kind of vehicle type roaster and roasted comprising vehicle type
The heat-treatment production line of stove is burnt, solves the uncontrollable problem of programming rate in different sintering temperature sections, and reduce pollution
With the energy consumption of overall production procedure, it is easy to repair.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of vehicle type roaster is provided, including, body of heater, the main attachment means of flue are set in the side of the body of heater, it is another
Side sets the auxiliary attachment means of flue, multigroup body of heater is sequentially connected by the main attachment means of flue and the auxiliary attachment means of flue
It is connected into one.
Further, described vehicle type roaster, in addition to, fugitive constituent fairlead, the fugitive constituent fairlead is arranged at
On the body of heater, connected with the inner chamber of the body of heater.
A kind of heat-treatment production line for including vehicle type roaster is provided, including, shape is sequentially connected with by multigroup vehicle type roaster
Into combination vehicle type roaster.
Further, the combination vehicle type roaster is in turn divided into area waiting, low-temperature prewarming area, preheating zone, low temperature roasting
Burn area, high-temperature roasting area, flat-temperature zone and cooling zone.
Further, described a kind of heat-treatment production line for including vehicle type roaster, in addition to, combustion furnace, hot blast are taken out
Go out device, high-temperature flue gas gatherer and low-temperature flue gas gatherer；The hot blast withdrawing device is empty by the preheating in cooling zone
Gas is extracted out, and a part is delivered in combustion furnace and forms high-temperature flue gas as combustion air, and another part is delivered to low-temperature prewarming area；
High-temperature flue gas is delivered to low-temperature bake area, high-temperature roasting area and flat-temperature zone by the combustion furnace by high-temperature flue gas gatherer；
High-temperature flue gas is delivered to low-temperature prewarming area by the combustion furnace by low-temperature flue gas gatherer.
Further, described a kind of heat-treatment production line for including vehicle type roaster, in addition to, fugitive constituent draws dress
Put, the fugitive constituent ejector respectively with vehicle type in the fugitive constituent fairlead of vehicle type roaster in preheating zone and low-temperature bake area
The fugitive constituent fairlead of roaster is fixedly connected, and fugitive constituent export is delivered in combustion furnace.
Further, described a kind of heat-treatment production line for including vehicle type roaster, in addition to, with hot blast withdrawing device
The high temperature centrifugal fan of connection, the cooling rate of the rotational speed regulation cooling zone by controlling high temperature centrifugal fan.
Further, described a kind of heat-treatment production line for including vehicle type roaster, it is characterised in that：Also include, it is horizontal
Row motorcycle, hydraulic pushing machine and hydraulic pressure kickoff mechanism, the hydraulic pressure kickoff mechanism are arranged at the combination vehicle type roaster and enter cigarette side
One end；The hydraulic pushing machine is arranged at one end of the smoke side of the combination vehicle type roaster；The hydraulic pushing machine and
The lateral ends of hydraulic pressure kickoff mechanism set row trailer respectively.
Further, the temperature measuring equipment for measuring each area's flue temperature, Yi Jiyong are equipped with the vehicle type roaster
In the pressure tester for measuring each area's flue negative pressure.
Further, the combination vehicle type roaster is two groups, shares one group of combustion furnace.
Beneficial effects of the present invention are as follows：
Can not directly burn fugitive constituent caused by pitch decomposition when the 1st, solving roasting carbon product raw product, be dripped in flue gas
The problem that blue or green tar content is high, environmental pollution is serious.
2nd, adjust high-temperature flue gas and import the heating intensity that flow changes different temperatures section preheating furnace chamber, realize carbon product
Programming rate in different sintering temperature sections controls, and meets below 250 DEG C, 250~450 DEG C, 450~650 DEG C and 650 DEG C
More than each sintering temperature section different programming rate demands, meet big big specification carbon product bulk density, high mechanical strength,
The good requirement of homogeneity.
3rd, calcining process energy resource consumption is reduced, the volatilization caused by pitch decomposes in roasting process by carbon product
Part is directly sent to burn in combustion furnace.
4th, vehicle type roaster can be sent into maintenance station Maintenance and Repair at any time during production run, then standby by one
Vehicle type roaster push-in production line replaces the vehicle type roaster to need repairing, without concentrating overhaul.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is open type and ring-type baking furnace with cover furnace chamber arrangement schematic diagram；
Fig. 2 is the structural representation of vehicle type roaster of the present invention；
Fig. 3 is the floor plan (Part I) of heat-treatment production line of the present invention；
Fig. 4 is the floor plan (Part II) of heat-treatment production line of the present invention；
Fig. 5 is the side view (Part I) of heat-treatment production line of the present invention；
Fig. 6 is the side view (Part II) of heat-treatment production line of the present invention；
Fig. 7 is hot gas emptier of the present invention, high temperature centrifugal fan, coal gas discharge fan, fugitive constituent ejector, height
Warm flue gas main pipe, low-temperature flue gas gatherer, the position view of fume extractor and smoke exhaust fan；
Fig. 8 is vehicle type roaster, combustion furnace, high-temperature flue gas gatherer, fugitive constituent ejector and high temperature cigarette of the present invention
The connection diagram of gas main pipe；
Fig. 9 is the front view of combustion furnace of the present invention；
Figure 10 is the vehicle type roaster arrangement schematic diagram of present invention combination vehicle type roaster；
Figure 11 is the structural representation of high-temperature flue gas gatherer of the present invention；
Figure 12 is the structural representation of low-temperature flue gas gatherer of the present invention；
Figure 13 is the structural representation of fugitive constituent ejector of the present invention；
Figure 14 is the structural representation of hot gas emptier of the present invention；
Figure 15 is the carbon product heating curves figure that present invention combination vehicle type roaster is calcined different qualities；
Figure 16 is the structural representation of hydraulic pushing machine of the present invention；
Figure 17 is the front view of row stroller of the present invention；
Figure 18 is the top view of row stroller of the present invention.
Embodiment
Referring to Fig. 1 to Figure 18, below in conjunction with the accompanying drawing of the present invention, technical scheme is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of protection of the invention.
Change of the physicochemical property of carbon product in green compact roasting process is as follows：
Heat the starting stage：When green compact sintering temperature rises to the actual heating-up temperature of green compact from room temperature, i.e., 120~
At 150 DEG C, coal pitch of agglomerant is in molten state, and green compact start to soften.When green compact sintering temperature continuously rises to 180~200
DEG C when, for the coal pitch of agglomerant in green compact in the state that is completely melt, green compact reach maximum volumetric expansion.In this sintering temperature area
Between programming rate should control and should be controlled in 9 DEG C/below h in 6 DEG C/below h, aluminium carbon.
The preliminary coking stage of pitch：When green compact sintering temperature rises to 250~350 DEG C, the binding agent coal drip in green compact
The physical-chemical reactions such as distillation, decomposition take place in green grass or young crops, and 250 DEG C or so start to discharge fugitive constituent, in the discharge of 350 DEG C of fugitive constituents
Amount is maximum.When green compact sintering temperature continuously rises to 350~450 DEG C, coal tar pitch takes place stronger while decomposing
Polycondensation reaction, the discharge rate of fugitive constituent slightly reduces, and coal tar pitch starts preliminary coking, and green compact are shunk by switching to expanding.
In this temperature range, the mechanical strength of green compact is minimum, and because coal tar pitch is decomposed and polycondensation reaction simultaneously, producing in vivo should
Power, it will crack carbon product when this stress exceedes the intensity of green compact, should in this sintering temperature section programming rate
Control should be controlled in 3.5~4.5 DEG C/h in 0.5~1.5 DEG C/h, aluminium carbon.
The pitch coking stage：When green compact sintering temperature rises to 450 DEG C, coal tar pitch starts preliminary coking, 450~
The semicoke that 650 DEG C of temperature ranges are formed by the preliminary coking of polycondensation reaction is progressively changed into pitch coke, and green volume is continuing to receive
Larger stress is produced in compression process, the green compact mechanical strength of preliminary coking improves a lot in the process, porosity and thoroughly
Gas increase, thermal conductivity improve, roasting programming rate can than 250~450 DEG C temperature ranges accelerate, in this sintering temperature section
Programming rate should control should control in 6~9 DEG C/h in 3~5 DEG C/h, aluminium carbon.
The high-temperature-coked stage：When green compact sintering temperature rises to more than 650 DEG C, coal tar pitch starts high-temperature-coked, 650
~850 DEG C of temperature ranges, continue there are some coal tar pitch decompose with polycondensation reaction and with the discharge of a small amount of fugitive constituent, carbon system
The increase of product real density, volume are further shunk, and the probability that carbon product cracks reduces.Reach in carbon product heating-up temperature
The probability that carbon product cracks at 900 DEG C is further reduced, and the coking journey of carbon product is mainly made in the high-temperature-coked stage
Degree is more perfect, further improves carbon product physicochemical property, should be controlled 8~12 in this sintering temperature section programming rate
℃/h.When green compact sintering temperature rises to maximum temperature, more than 30 hours need to be continuously incubated, to reduce between each position of furnace chamber
The temperature difference, ensure that whole stove carbon product coking extent is consistent, carbon product uniform quality.
Carbon product cooling stage：Carbon product from High-temperature cooling when by produce contraction, due to inside along carbon product footpath
Outer temperature difference, make inside and outside carbon product volume contraction inconsistent and produce thermal stress, when caused thermal stress exceedes carbon system
It will crack carbon product during the mechanical strength of product, it is necessary to control more than 800 DEG C, the rate of temperature fall of high temperature carbon product
No more than 8 DEG C/h.
The present invention be achieved through the following technical solutions accurate control carbon product below 250 DEG C, 250~450 DEG C,
The different programming rate demands and 800 DEG C of high temperature above carbon products in 450~650 DEG C and more than 650 DEG C each sintering temperature sections
Rate of temperature fall.
As shown in Fig. 2 in some illustrative embodiments, there is provided a kind of vehicle type roaster, vehicle type roaster 1 include：
Body of heater 1.1, the main attachment means 1.2 of flue are set in the side of the body of heater 1.1, and opposite side sets the auxiliary attachment means of flue, made
Multigroup body of heater 1.1 can be sequentially connected with integrally by the main attachment means 1.2 of flue and the auxiliary attachment means of flue.
In some illustrative embodiments, described vehicle type roaster 1, in addition to, fugitive constituent fairlead 1.5 is described
Fugitive constituent fairlead 1.5 is arranged on the body of heater 1.1, is connected with the inner chamber of the body of heater 1.1.
In some illustrative embodiments, high-temperature flue gas introduces from the front wall cigarette well of vehicle type roaster 1, through sole flue
Even into two sections of V-type flues of hopper sidepiece to heat the carbon product and inserts in hopper, from the rear wall flue of hopper
Collect discharge, and temperature measuring equipment is provided with the upper and lower part of front wall Yan Jing and rear wall flue, middle part is provided with pressure tester.In vehicle type
The front wall of roaster 1 and rear wall top portion set flue gas introducting interface and flue gas discharge interface, are set in the front wall sidepiece of vehicle type roaster 1
Flue gas introducting interface, wall sidepiece sets flue plugboard and flue gas discharge interface after vehicle type roaster 1, and vehicle type is calcined before and after connection
The flue of stove 1 and blocking flue gas, are provided with heating flue in the end of hopper, sidepiece and bottom, can substantially reduce the water of hopper
Gentle upper and lower temperature difference.In one bell 1.3 of hopper top design of vehicle type roaster 1, draw in the end of bell 1.3 provided with fugitive constituent
Outlet pipe 1.5, bell 1.3 is placed on the furnace wall outside quirk for ease of sealing, not only strengthens and protected at the top of hopper and quirk
Temperature, radiation loss is reduced, also helped in carbon product preheating with the fugitive constituent of low-temperature bake stage discharge and in product cooling
The bottom high-temperature gas of stage bell 1.3 is discharged using fugitive constituent fairlead 1.5.Vehicle type roaster 1 uses steel structure casing, overall
It is arranged on a carrier loader 1.4.
As seen in figures 3-6, in some illustrative embodiments, there is provided a kind of heat treatment production comprising vehicle type roaster
Line, including, the combination vehicle type roaster formed is sequentially connected with by multigroup vehicle type roaster 1.
In some illustrative embodiments, every combination vehicle type roaster is a baking heat system, sets 18
Vehicle type roaster 1, wherein, 11~12 car-type roasters 1 complete the heating roasting of carbon product, 3~4 car-type roasters 1
Complete the cooling of roasting carbon product, 2 car-type roasters 1 complete carbon product shove charge and operation of coming out of the stove, 1 car-type roaster 1
Carry out maintenance and inspection.
As shown in figs.10 and 15, in some illustrative embodiments, by carbon product baking heat curve, vehicle type is combined
Roaster is in turn divided into area, low-temperature prewarming area, preheating zone, low-temperature bake area, high-temperature roasting area, flat-temperature zone and cooling waiting
Area.
Wherein, low-temperature prewarming area sets 2 car-type roasters 1, preheating zone to set 4~5 car-type roasters 1, low temperature roasting
Burn area set 2 car-type roasters 1, high-temperature roasting area set 1 car-type roaster 1, flat-temperature zone set 2 car-type roasters 1,
Cooling zone sets 3~4 car-type roasters 1, totally five computer heating control regions and a cooling control area.
As seen in figures 3-6, in some illustrative embodiments, the heat-treatment production line of described a kind of roasting, is also wrapped
Include, combustion furnace 2, hot blast withdrawing device 3, high-temperature flue gas gatherer 4 and low-temperature flue gas gatherer 5.
The hot blast withdrawing device 3 extracts the preheated air in cooling zone out, and a part is delivered to be used as in combustion furnace 2 and helped
Fire air and form high-temperature flue gas, another part is delivered to low-temperature prewarming area；High-temperature flue gas is passed through high-temperature flue gas by the combustion furnace 2
Gatherer 4 is delivered to low-temperature bake area, high-temperature roasting area and flat-temperature zone；High-temperature flue gas is passed through low temperature cigarette by the combustion furnace 2
Gas gatherer 5 is delivered to low-temperature prewarming area.
As seen in figures 3-6, in some illustrative embodiments, the heat-treatment production line of described a kind of roasting, is also wrapped
Include, fugitive constituent ejector 6, the fugitive constituent ejector 6 fugitive constituent fairlead with vehicle type roaster 1 in preheating zone respectively
1.5 are fixedly connected with the fugitive constituent fairlead 1.5 of vehicle type roaster 1 in low-temperature bake area, and fugitive constituent export is delivered into burning
In stove 2.
As seen in figures 3-6, in some illustrative embodiments, in addition to, row motorcycle 7, hydraulic pushing machine 8 and hydraulic pressure
Kickoff mechanism 9.Hydraulic pressure kickoff mechanism 9 is arranged at one end for entering cigarette side of the combination vehicle type roaster, and hydraulic pushing machine 8 is arranged at institute
One end of the smoke side of combination vehicle type roaster is stated, the lateral ends of the hydraulic pushing machine 8 and hydraulic pressure kickoff mechanism 9 are set respectively
Row motorcycle 7.
As shown in figure 16, in some illustrative embodiments, hydraulic pushing machine 8 includes：Top-pushing mechanism 8.1, hydraulic oil
Cylinder 8.2 and leading truck 8.3.
As shown in FIG. 17 and 18, in some illustrative embodiments, row motorcycle 7 includes：Motorcycle 7.1, motorcycle positioning
Device 7.2, transmission device 7.3 and hydraulic station 7.4.Place the hydraulic pushing machine 8 in inactive state in the top of motorcycle 7.1.
In some illustrative embodiments, row motorcycle 7 is arranged in the both sides of baked for producing line, and row motorcycle 7 is run
Track is arranged vertically with baked for producing line.Hydraulic pushing machine 8 is arranged on the stove car rail inferior portion in area waiting, and hydraulic pressure kickoff mechanism 9 is pacified
Go out the bottom in car end stove track road mounted in cooling zone rear portion, with baked for producing line arrangement on the same axis.
In some illustrative embodiments, it is equipped with the vehicle type roaster 1 for measuring each area's flue temperature
Temperature measuring equipment, and for measuring the pressure tester of each area's flue negative pressure.
As shown in figures 3-8, in some illustrative embodiments, will be per chassis on product and inserts shove charge production line
Formula roaster 1 buckles bell 1.3, fugitive constituent ejector 6 by carbon product in vehicle type roaster 1 in roasting process due to coal
Fugitive constituent caused by pitch decomposition is drawn, in bell 1.3 of the hot gas emptier 10 that cooling zone couples by vehicle type roaster 1
Hot gas discharge, accelerate hopper in carbon product cooling.
Combination vehicle type roaster sets 4 sets of and of high-temperature flue gas gatherer 4.1,4.2,4.3 in flat-temperature zone and high-temperature roasting area
4.4, every flue of each vehicle type roaster 1 is heated respectively and temperature adjustment, a set of low-temperature flue gas is set in low-temperature prewarming area
Gatherer 5 is used for the heating intensity for strengthening vehicle type roaster 1, the firing rate in increase low-temperature prewarming area.In preheating zone and low
The fugitive constituent that warm roast area is drawn, it is sent in combustion furnace 2 and is burnt by coal gas discharge fan 11, on each vehicle type roaster 1
Provided with temperature measuring equipment and pressure tester, each area's flue temperature and negative pressure are measured, enters trip temperature, negative pressure whole-process control.
The temperature computer heating control process for combining every flue of vehicle type roaster is as follows：
Combustion air enters the flue of vehicle type roaster from cooling zone end, is preheated using cooling zone furnace chamber, reduced simultaneously
The temperature of each furnace chamber in cooling zone, in cooling zone, initial segment is extracted out by hot blast withdrawing device 3.In some illustrative embodiments,
Described heat-treatment production line, in addition to, the high temperature centrifugal fan 12 being connected with hot blast withdrawing device 3, by controlling high temperature
The cooling rate of the rotational speed regulation cooling zone of centrifugal fan 12, the cooling rate of control cooling zone furnace chamber are less than 8 DEG C/h.By heat
Most of preheated air that wind withdrawing device 3 is extracted out is used as combustion air by control valve feeding combustion furnace 2, and redundance is pre-
Hot-air is sent into low-temperature prewarming area.Produce after high-temperature flue gas mixes and be sent into positioned at low with combustion furnace 2 in low-temperature flue gas gatherer 5
In the flue of the vehicle type roaster 1 of warm preheating zone, to increase low-temperature prewarming area heating intensity, and led by adjusting low-temperature flue gas
Entering the flue gas amount of blasting of device 5, to control the firing rate of carbon product in vehicle type roaster 1 in low-temperature prewarming area be 4~7 DEG C/h.
In flat-temperature zone, by adjusting the high temperature cigarette in the feeding vehicle type calcining kiln flue of high-temperature flue gas gatherer 4.1 and 4.2
The mode of tolerance maintains the flue interior air-flow temperature of vehicle type roaster 1 to reach setting value, further uniform carbon in vehicle type roaster 1
The temperature of cellulose product.In high-temperature roasting area, by adjusting the height in the feeding vehicle type calcining kiln flue of high-temperature flue gas gatherer 4.3
The lifting of vehicle type calcining kiln flue interior air-flow temperature is arrived setting value by warm exhaust gas volumn, so as to heat the carbon system in vehicle type roaster 1
Product.Low temperature furnace chamber is heated one by one using the flue gas of high temperature furnace chamber and preheats the hopper of furnace chamber, is sent in flat-temperature zone and high-temperature roasting area
Enter the flue-gas temperature in vehicle type calcining kiln flue as air flow direction gradually reduces.According to being arranged on each car-type roaster 1
Temperature measuring equipment and pressure tester feedback temperature, negative pressure parameter, the high-temperature flue gas in low-temperature bake area is arranged on by regulation and led
Enter carbon product in the high-temperature flue gas amount control low-temperature bake area vehicle type roaster 1 that device 4.4 is sent into vehicle type calcining kiln flue
Firing rate be 4~8 DEG C/h, the firing rate for controlling carbon product in preheating zone vehicle type roaster 1 is 0.5~4.5 DEG C/h.
Flue gas passes through the fume extractor 13 being arranged between low-temperature prewarming area and cooling zone, and is discharged by smoke exhaust fan 14,
Discharged after the further desulfurization process of smoke eliminator through chimney.
In some illustrative embodiments, the combination vehicle type roaster is two groups, shares one group of combustion furnace 2.I.e., often
Production system is covered by two combination vehicle type roasters, 2, eight sets of combustion furnace, 4, two sets of a high-temperature flue gas gatherer low-temperature flue gas
5, two sets of gatherer, 3, two sets of hot blast withdrawing device, 6, two sets of fugitive constituent ejector fume extractor 13, two row motorcycle 7,
Two hydraulic pushing machines 8 and two hydraulic pressure kickoff mechanisms 9 form.
Every combination vehicle type roaster configures 15 car-type roasters 1, in product and inserts shove charge production line, and system
Product and inserts are come out of the stove each shove charge and the operation of coming out of the stove that set 1 car-type roaster 1 to carry out product and inserts on production line,
Vehicle type roaster 1 repairs and 1 standby vehicle type roaster 1 is set on production line, and is set according to the quantity of combination vehicle type roaster
Put vehicle type roaster maintenance station.The vehicle type roaster 1 for installing carbon product is transported to combination vehicle type roasting by two row motorcycles 7
Stove station to be heated is burnt, the vehicle type roaster 1 for completing heating roasting and cooling is transported to product and inserts is come out of the stove production line,
The come out of the stove vehicle type roaster 1 of operation of product and inserts will be completed to be transported to maintenance station and qualified vehicle type roaster will be repaired
1 is transported to product and inserts shove charge production line.
High-temperature flue gas needed for heating vehicle type roaster 1 is by being arranged on two combustion furnaces 2 combined in the middle part of vehicle type roaster
Supply, the 65~70% of the high-temperature flue gas that combustion furnace 2 produces is produced by burning extra fuel, and 30~35% by preheating zone and low temperature
The fugitive constituent that roast area is drawn produces.2 combination vehicle type roasters stagger certain time release carbon product, it is ensured that supply burning
The fugitive constituent of stove 2 is uninterrupted, avoids fugitive constituent supply interruption from causing to put out a fire generation accident and avoid high temperature cigarette caused by combustion furnace 2
Gas does not empty, that is, reduces energy consumption.
Due to the fugitive constituent of preheating zone and the discharge of low-temperature bake area is passed through into fugitive constituent ejector 6 and coal gas discharge fan
11 extract out and are sent into combustion furnace 2 and are used as fuel combustion, should not contain tarvia in flue gas in theory, but due to refractory material weight
Micro fugitive constituent may be penetrated into by burning in fine gap caused by change, can also contain micro tarvia in flue gas.The present invention
30~35% extra fuel can be not only saved, and efficiently solves the fugitive constituent during baking heat and enters roasting cigarette
The problem of gas, the flue gas of discharge after simple desulfurization is handled can qualified discharge, solve current carbon product production roaster
The serious problem of tarvia environmental pollution in flue gas.
After each heating process end cycle, a car for having installed carbon product to be calcined is accessed in low-temperature prewarming area
Formula roaster 1, while release one in cooling zone and completed heating roasting and cooled down the vehicle type roaster 1 of end.
Through row motorcycle 7 product is transported to from the vehicle type roaster 1 that cooling zone is released and inserts is come out of the stove production line, and will
Carbon product after roasting is hung out, and after checking, repairing vehicle type baking furnace flame path wall crack, is installed again by technological requirement and is waited to be calcined
Product and inserts, then combination vehicle type roaster area waiting is transported to by another row motorcycle 7, in next heating process week
Phase is pushed into the heating of low-temperature prewarming area by hydraulic pushing machine 8.
In some illustrative embodiments, combine each equipment of vehicle type roaster operation by control be respectively adopted hydraulic pressure,
Pneumatic and electrical control.
As shown in Figures 9 and 10, in some illustrative embodiments, high-temperature flue gas gatherer 4 is provided with and can moved up and down
High-temperature flue gas conduit 4.7, be connected by tensioner sealing device and high-temperature hot-air common excretory duct 15, in high-temperature flue gas conduit 4.7
Front portion is provided with high-temperature flue gas and blocks valve 4.5, is set in the bottom of high-temperature flue gas conduit 4.7 with respect to the flue position of vehicle type roaster 1
There is telescopic high-temperature flue interface arrangement 4.8, and be provided with high temperature on the anterior conduit of high-temperature flue interface arrangement 4.8 and adjust
Valve 4.9.
Low-temperature flue gas gatherer 5 is provided with low-temperature flue gas conduit 5.3 moving up and down, passes through tensioner sealing device and height
Warm wind common excretory duct 15 is connected, and valve 5.1 is blocked in the anterior low-temperature flue gas that is provided with of low-temperature flue gas conduit 5.3, in low-temperature flue gas
The bottom of conduit 5.3 is provided with telescopic low temperature flue interface arrangement 5.4 with respect to the flue position of vehicle type roaster 1, and in low temperature
Flue adapter fills 5.4 anterior conduits and is provided with low temperature control valve 5.5.
Hot blast withdrawing device 3 is provided with hot-blast conduit moving up and down, is always led with high-temperature hot-air by tensioner sealing device
Pipe 15 is connected, and valve is blocked in the anterior hot blast flue gas that is provided with of hot-blast conduit, in hot-blast conduit bottom with respect to vehicle type roaster 1
Flue position is provided with telescopic hot air flue interface arrangement, and is provided with hot blast on the anterior conduit of hot air flue interface dress and adjusts
Save valve.
Fume extractor 13 is provided with smoke evacuation smoke tube moving up and down, is joined by tensioner sealing device and smoke discharging pipe
Connect, valve is blocked in the anterior smoke evacuation flue gas that is provided with of smoke evacuation smoke tube, in smoke evacuation smoke tube bottom with respect to vehicle type roaster 1
Flue position is provided with telescopic exit flue interface arrangement, and is provided with smoke evacuation on the anterior conduit of exit flue interface arrangement
Control valve.
Low-temperature flue gas gatherer 5, hot blast withdrawing device 3, the structure and working principle and high-temperature flue gas of fume extractor 13
Gatherer 4 is identical.
As shown in Figs. 13 and 14, in some illustrative embodiments, fugitive constituent ejector 6 is provided with what can be moved forward and backward
Fugitive constituent splice housing 6.2, the fugitive constituent rotary pressing mechanism provided with hydraulic-driven ensures fugitive constituent on fugitive constituent splice housing 6.2
Splice housing 6.2 is closely connected with the interface of the fugitive constituent fairlead 1.5 on vehicle type roaster 1, and for ease of docking, fugitive constituent is drawn
Go out device 6 to be arranged in a moving cart that can be moved left and right, to prevent the air inlet when departing from, draw and fill in fugitive constituent
Put 6 top fairleads and be provided with fugitive constituent fairlead shutoff valve 6.1.
Hot gas emptier 10 is provided with the hot gas splice housing 10.2 that can be moved forward and backward, and liquid is provided with hot gas splice housing 10.2
The hot gas rotary pressing mechanism of pressure driving ensures hot gas splice housing 10.2 and the fugitive constituent fairlead 1.5 on vehicle type roaster 1
Interface is closely connected, and for ease of docking, hot gas emptier 10 is arranged in a moving cart that can be moved left and right.
As shown in Fig. 3,4,5,6,9,10,11,12, in some illustrative embodiments, in product and inserts shove charge
Carbon product to be calcined is loaded in the hopper of vehicle type roaster 1 by technological requirement on production line, and treated around roasted product
Full of inserts, inserts is 0.5~6mm metallurgical cokes or calcined petroleum coke, and bell 1.3 is covered after tamping, and connection fugitive constituent draws
Outlet pipe 1.5.The vehicle type roaster 1 for having installed carbon product to be calcined is transported to by combination vehicle type roaster using row motorcycle 7
Push-in position, after positioning confirmation, start hydraulic pushing machine 8 in row motorcycle 7 by the pushing tow of vehicle type roaster 1 to combining vehicle type
The area waiting of roaster, connection and the flue between the vehicle type roaster 1 in low-temperature prewarming area and locking, check and confirm vehicle type
The flue plugboard of roaster 1 is closed, and is waited and is entered the heating roasting of baked for producing line.
By stroller timetable set in advance, it is first shut off hot blast and blocks valve, high-temperature flue gas to block valve 4.5, low temperature
Flue gas blocks valve 5.1, smoke evacuation flue gas to block valve.Restart the hot blast smoke pipe hoisting mechanism of hot blast withdrawing device 3 by hot blast
The position upper limit arrive in conduit lifting, and the high temperature smoke pipe hoisting mechanism 4.6 of startup high-temperature flue gas gatherer 4 is by high-temperature flue gas conduit
The position upper limit arrive in 4.7 liftings, and the low temperature smoke pipe hoisting mechanism 5.2 of startup low-temperature flue gas gatherer 5 is by low-temperature flue gas conduit 5.3
Lifted to the position upper limit, the smoke evacuation smoke pipe hoisting mechanism of startup fume extractor 13 and the position upper limit is arrived into smoke evacuation smoke tube lifting.
Lifted to after the upper limit of position, then by hot air interface device, high-temperature flue interface arrangement 4.8, low temperature flue interface arrangement 5.4 and arranged
The flue gas introducting interface or flue gas discharge interface of cigarette flue adapter device and vehicle type roaster 1 depart from.
Meanwhile fugitive constituent fairlead shutoff valve 6.1 is closed, unclamp low-temperature bake area and preheating zone and vehicle type roaster
The fugitive constituent splice housing 6.2 of the joining fugitive constituent ejector 6 of fugitive constituent fairlead 1.5 and the hot gas of hot gas emptier 10
Splice housing 10.2.After confirmation, start fugitive constituent top-pushing mechanism 6.3, retraction fugitive constituent splice housing 6.2 to disengaging configuration, open cold
But the flue plugboard of the vehicle type roaster 1 in area and low-temperature prewarming area, the flue plugboard of the vehicle type roaster 1 of flat-temperature zone is closed.Treat
After aforesaid operations all terminate, start the hydraulic pushing machine 8 for being arranged on area waiting and move forward 1 car by vehicle type roaster is combined
Position, the vehicle type roaster 1 that will be in area waiting is pushed into low-temperature prewarming area, while the vehicle type in cooling zone position is calcined
Stove 1, which is released, leaves combination vehicle type roaster.
The movement of stove car is completed after confirming, is again started up hot blast smoke pipe hoisting mechanism and hot-blast conduit is dropped into position lower limit,
Start high temperature smoke pipe hoisting mechanism 4.6 and high-temperature flue gas conduit 4.7 is dropped into position lower limit, start low temperature smoke pipe hoisting mechanism
Low-temperature flue gas conduit 5.3 is dropped to position lower limit by 5.2, and smoke tube decline will be discharged fume in place by starting smoke evacuation smoke pipe hoisting mechanism
Put lower limit.After dropping to position lower limit, then by hot air interface device, high-temperature flue interface arrangement 4.8, low temperature flue interface arrangement
5.4 and exit flue interface arrangement couple again with the flue gas introducting interface or flue gas discharge interface of vehicle type roaster 1.
Check confirm after, open hot blast block valve, high-temperature flue gas block valve 4.5, low-temperature flue gas block valve 5.1,
Flue gas of discharging fume blocks valve, recovers combination vehicle type roaster carbon product heating baked for producing.
Meanwhile by the fugitive constituent telescoping mechanism 6.4 of fugitive constituent ejector 6 and the hot gas telescopic machine of hot gas emptier 10
Structure 10.4 couples with the fugitive constituent fairlead 1.5 on vehicle type roaster 1, Screw joint cover.Open fugitive constituent fairlead stop valve
Door 6.1, restart fugitive constituent extraction and hot blast emptying, complete once to combine the production process behaviour that vehicle type roaster stove car moves
Make.
After the moving operation process of combination vehicle type roaster terminates, regulation high-temperature flue gas blocks valve 4.5 and low-temperature flue gas
Valve 5.1 is blocked, the high temperature and low-temperature flue gas amount into stove are adjusted according to the product Baking profile of determination, ensures that product is pre- in low temperature
Hot-zone, preheating zone, low-temperature bake area, the programming rate of high-temperature roasting area and flat-temperature zone.The rotating speed of smoke exhaust fan 14 is adjusted, is ensured
Negative pressure and heating speed of the vehicle type calcining kiln flue in low-temperature prewarming area, preheating zone, low-temperature bake area, high-temperature roasting area and flat-temperature zone
Degree.The rotating speed of cooling zone high temperature centrifugal fan 12 is adjusted, adjusts the intensity of cooling of cooling zone carbon product, controls cooling zone stove
The cooling rate of room.
Two combination vehicle type roasters in production system are often covered to carry out according to stroller timetable staggering time set in advance
Stove car moves production operation.
The vehicle type roaster 1 for releasing cooling zone is pushed to another horizontal stroke being arranged in behind cooling zone by hydraulic pressure kickoff mechanism 9
Position and confirm in row motorcycle 7, the vehicle type roaster 1 that starting row motorcycle 7 will complete to be calcined and cool down is transported to product and filled out
Charge is come out of the stove on production line, unclamps fugitive constituent fairlead 1.5, opens the operation of coming out of the stove that bell 1.3 prepares product and inserts.
After the operation of coming out of the stove of product and inserts terminates, start row motorcycle 7 and vehicle type roaster 1 is transported to maintenance production
Ray examination and maintenance flue crackle and flue gas introducting interface, while repaired qualified vehicle type roaster 1 by one and be transported to
Product and inserts shove charge production line, prepare to reload.Vehicle type roaster 1 is completed in product and inserts shove charge, area waiting
Preparation, preheating zone heating, low-temperature bake area and high-temperature roasting area are quickly heated, flat-temperature zone heats samming, cooling zone cools, product
Come out of the stove with inserts, repair production ray examination, the overall process production operation of maintenance.
As shown in Fig. 3 to 9, in some illustrative embodiments, combustion furnace 2 is arranged in 2 combination vehicle type roasters
On the platform in portion, the high temperature centrifugal fan 12 supporting with the hot blast withdrawing device 3 of cooling zone and match somebody with somebody with fugitive constituent ejector 6
The coal gas discharge fan 11 of set is arranged on the bottom of the platform of combustion furnace 2, and high-temperature flue gas main pipe 15 is arranged on the top of combustion furnace 2
On support.High-temperature flue gas gatherer 4, low-temperature flue gas gatherer 5, hot blast withdrawing device 3 and fume extractor 13 pass through gate-type
Support is positioned at flat-temperature zone, high-temperature roasting area, low-temperature bake area, low-temperature prewarming area end, cooling zone front end and low temperature respectively
The top of vehicle type roaster 1 of preheating zone front end, and the flue gas introducting interface of vehicle type roaster 1 and flue gas discharge interface Floating connection,
By flue adapter device weight compression.The fugitive constituent ejector 6 and hot gas emptier 10 are installed respectively by support
In the sidepiece of the vehicle type roaster 1 positioned at preheating zone, low-temperature bake area and cooling zone, pass through hydraulic-driven and vehicle type roaster 1
Fugitive constituent fairlead 1.5 crimping locking.
Meanwhile burn extra fuel and from preheating zone, low-temperature bake area draw fugitive constituent, be provided with the front end of combustion furnace 2
Extra fuel burner 16, fugitive constituent burner 17 is provided with the rear end of combustion furnace 2.Cooled down using from combination vehicle type roaster
For the preheated air that area is extracted out as combustion air, the high-temperature flue gas after burning enters the height for being arranged on top from the middle part of combustion furnace 2
Warm flue gas main pipe 15, is connected with high-temperature flue gas gatherer 4 and low-temperature flue gas gatherer 5, and combustion furnace 2 is additionally provided with collection ash
Bucket 18.
The fugitive constituent that the present invention discharges carbon product during baking heat, passes through in preheating zone and low-temperature bake area
Fugitive constituent ejector 6, which is extracted out and is sent into combustion furnace 2, is used as fuel combustion, not only fundamentally solves current carbon product life
The problem of the tarvia environmental pollution in baking furnace fume is produced, can also save 30~35% extra fuel.
The high-temperature flue gas gatherer 4.4 that low-temperature bake area is arranged on by regulation is sent into the flue of vehicle type roaster 1
The high-temperature flue gas amount entered, adjust the heating intensity of low-temperature bake area and preheating zone, and the part high-temperature flue gas that combustion furnace 2 is produced
Low-temperature prewarming area vehicle type roaster 1 is sent into by low-temperature flue gas gatherer 5 after being mixed with the unnecessary preheated air of cooling zone extraction
Flue in, the heating intensity of increase low-temperature prewarming area hopper.Meet different size, the carbon product raw product of different qualities exists
The different programming rate demands in less than 250 DEG C, 250~450 DEG C, 450~650 DEG C and more than 650 DEG C each sintering temperature sections, solution
Residence time of the big specification, high volume density carbon product roasting semi-finished product of having determined in stove is long, and due to roaster hopper
Too deep the problem of causing carbon product upper and lower temperature difference and horizontal excessive temperature differentials in hopper, raw by big specification metallurgy carbon product are made
Product calcining process qualification rate brings up to 99%~100% by current 96% or so.
Preheated air enters the flue of vehicle type roaster 1 in cooling zone end, is preheated using cooling zone furnace chamber, reduced simultaneously
The temperature of each furnace chamber in cooling zone, in cooling zone, initial segment extracts preheated air out by hot blast withdrawing device 3 and blasts the conduct of combustion furnace 2
The combustion air of extra fuel and fugitive constituent, be negative pressure in control cooling zone furnace chamber quirk, combustion air not with 1000 DEG C or so
The contact of high temperature filler material, greatly reduce the oxidation consumption of calcining filler.
During production run can Maintenance and Repair at any time produce flue wall and collapse or the vehicle type roaster 1 of crackle, then will
One vehicle type roaster 1 that is standby or having repaired is pushed into production line and replaces the vehicle type roaster 1 for needing repairing or overhauling,
Overhaul need not be concentrated.There is no roasted product output during avoiding ring-type baking furnace with cover and open roasting furnace full maintenance
Problem.
Realize that product and inserts concentrate shove charge and operation of coming out of the stove, it is small with the transhipment amount of carbon product after roasting before roasting.
Solve in ring-type baking furnace with cover during production operation and open roasting furnace roasting carbon product, many places supply filling
Fugitive dust caused by material pollutes, and inserts is in fixed venue shove charge and comes out of the stove, and is easily controlled airborne dust in operation, reduces powder
Dustiness contaminates.
More set combination vehicle type roasters can share product and inserts shove charge and production line of coming out of the stove, civil engineering Facilities Construction expense
35~60% or so are about reduced during compared with using ring-type baking furnace with cover, open roasting furnace roasting carbon product raw product (to produce per year
200kt products baked above).
It is simple in construction to combine vehicle type roaster, it is easy to maintenance, it can effectively control hopper level and upper and lower temperature difference.Combination vehicle
Formula roaster is by Electric Drive, and the kind of drive such as pneumatic gearing and hydraulic drive composition, apparatus control system is mainly by PIC Lai complete
Into reaching the automatic and semi-automatic control mode being combined, automaticity is high.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (5)
1. a kind of heat-treatment production line for including vehicle type roaster, including, vehicle type roaster, the body of heater of the vehicle type roaster
Side sets the main attachment means of flue, and opposite side sets the auxiliary attachment means of flue；Multigroup body of heater can pass through the main connection of flue
Device and the auxiliary attachment means of flue, which are sequentially connected with, is integrally formed combination vehicle type roaster；Characterized in that,
The combination vehicle type roaster is in turn divided into area waiting, low-temperature prewarming area, preheating zone, low-temperature bake area, high-temperature roasting
Area, flat-temperature zone and cooling zone；
Also include, fugitive constituent fairlead and fugitive constituent ejector；The fugitive constituent fairlead is arranged on the body of heater, with institute
State the inner chamber connection of body of heater；The fugitive constituent ejector respectively with the fugitive constituent fairlead of vehicle type roaster in preheating zone and low
The fugitive constituent fairlead of vehicle type roaster is fixedly connected in warm roast area, and fugitive constituent export is delivered in combustion furnace；
Also include, hot blast withdrawing device, high-temperature flue gas gatherer and low-temperature flue gas gatherer；
The hot blast withdrawing device extracts the preheated air in cooling zone out, and a part is delivered in combustion furnace and is used as combustion air
High-temperature flue gas is formed, another part is delivered to low-temperature prewarming area；
High-temperature flue gas is delivered to low-temperature bake area, high-temperature roasting area and constant temperature by the combustion furnace by high-temperature flue gas gatherer
Area；
High-temperature flue gas is delivered to low-temperature prewarming area by the combustion furnace by low-temperature flue gas gatherer.
A kind of 2. heat-treatment production line for including vehicle type roaster according to claim 1, it is characterised in that：Also include,
The high temperature centrifugal fan being connected with hot blast withdrawing device, the drop of the rotational speed regulation cooling zone by controlling high temperature centrifugal fan
Warm speed.
A kind of 3. heat-treatment production line for including vehicle type roaster according to claim 2, it is characterised in that：Also include,
Row motorcycle, hydraulic pushing machine and hydraulic pressure kickoff mechanism, the hydraulic pressure kickoff mechanism are arranged at the combination vehicle type roaster and enter cigarette
One end of side；The hydraulic pushing machine is arranged at one end of the smoke side of the combination vehicle type roaster；The hydraulic pushing machine
Row trailer is set respectively with the lateral ends of hydraulic pressure kickoff mechanism.
4. a kind of heat-treatment production line for including vehicle type roaster according to any one of claims 1 to 3, its feature exist
In：The temperature measuring equipment for measuring each area's flue temperature is equipped with the vehicle type roaster, and for measuring each area's flue
The pressure tester of negative pressure.
A kind of 5. heat-treatment production line for including vehicle type roaster according to claim 4, it is characterised in that：The combination
Vehicle type roaster is two groups, shares one group of combustion furnace.
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| CN201510998599.7A CN105502337B (en) | 2015-12-28 | 2015-12-28 | Vehicle type roaster and the heat-treatment production line for including vehicle type roaster |
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| CN201510998599.7A CN105502337B (en) | 2015-12-28 | 2015-12-28 | Vehicle type roaster and the heat-treatment production line for including vehicle type roaster |
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| CN105502337B true CN105502337B (en) | 2018-03-06 |
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| CN107228570A (en) * | 2016-03-23 | 2017-10-03 | 沈阳铝镁设计研究院有限公司 | A kind of method of anode-baking furnace UTILIZATION OF VESIDUAL HEAT IN |
| CN108759432A (en) * | 2018-05-30 | 2018-11-06 | 江苏农牧科技职业学院 | A kind of multilayer mechanism feed drying production line |
| CN112710149B (en) * | 2020-12-15 | 2022-07-01 | 索通发展股份有限公司 | Comprehensive treatment system for carbon roasting flue gas |
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|---|---|---|---|---|
| CN2102484U (en) * | 1991-01-11 | 1992-04-22 | 刘丕炎 | Three ring type carbon products baking furnace |
| CN2295978Y (en) * | 1996-09-18 | 1998-10-28 | 沈阳铝镁设计研究院 | Secondary roasting apparatus for carbon product |
| CN201122052Y (en) * | 2007-09-21 | 2008-09-24 | 韦克 | Train 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 |
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- 2015-12-28 CN CN201510998599.7A patent/CN105502337B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2102484U (en) * | 1991-01-11 | 1992-04-22 | 刘丕炎 | Three ring type carbon products baking furnace |
| CN2295978Y (en) * | 1996-09-18 | 1998-10-28 | 沈阳铝镁设计研究院 | Secondary roasting apparatus for carbon product |
| CN201122052Y (en) * | 2007-09-21 | 2008-09-24 | 韦克 | Train 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 |
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