CN106115752B - A kind of activated alumina process units and technique - Google Patents
A kind of activated alumina process units and technique Download PDFInfo
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- CN106115752B CN106115752B CN201610433397.2A CN201610433397A CN106115752B CN 106115752 B CN106115752 B CN 106115752B CN 201610433397 A CN201610433397 A CN 201610433397A CN 106115752 B CN106115752 B CN 106115752B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
A kind of activated alumina process units and technique, it constitutes entirety by heat power supply device, reducing mechanism, flash distillation plant, shaped device, activation screening plant and control centre；And using aluminium hydroxide as raw material, size-reduced, dehydration, granulation, health, calcination for activation, screening packaging process are completed.It the advantage is that：By automatic control product steady quality, the present apparatus is simple in construction, invests small, safety coefficient is big, and floor space is small, environmental protection and energy saving, can produce a variety of alumina products.The process units has to be promoted and practical value well, and good economic benefit and social benefit can be produced after extensive popularization and application.
Description
Technical field
The present invention relates to a kind of device of aluminum oxide processing and technique, refer specifically to be processed into active oxidation with alumina producing
The technique and device of aluminium.
Background technology
As the open-minded of engineering is sent in western gas east, natural gas user is more and more, and combustion completion accident also happens occasionally, and this is not
Only caused damage to equipment, personal safety is also by great threat.Automatic ignition system failure causes detonation or explosion accident, put out
Caused an explosion accident in fiery protection system because electronic valve is not closed completely, due to being not provided with gaseous-pressure level air pressure protection
The accident that device or device failure are caused repeats to occur in different enterprises.One gas furnace can not carry out different to many workshop sections simultaneously
Temperature heat supply, is that equipment repeats degree increase.
Flash distillation plant uses gas furnace direct heating, causes semi-finished product secondary pollution.Water in natural tail-gas can make thing
Material water suction, is allowed to drying materials, dehydration（Attached water, the crystallization water）Effect is reduced, while carbon monoxide, carbon dioxide in tail gas
And imperfect combustion methane has the potential safety hazard for making one poisoning, death by suffocation or initiation blast respectively.
Activate device and use gas furnace direct heating, cause semi-finished product secondary pollution.Water in natural tail-gas can make thing
Material water suction, is allowed to drying materials, dehydration（Attached water, the crystallization water）Effect is reduced, while carbon monoxide, carbon dioxide in tail gas
And imperfect combustion methane has the potential safety hazard for making one poisoning, death by suffocation or initiation blast respectively.Activation furnace uses people
The charging of industry control system causes unstable product quality, and this finished product is produced in increase.
The content of the invention
The purpose of invention be for it is above-mentioned it is not enough there is provided a kind of device of Automated condtrol activated alumina production and processing with
Technique.Activated alumina production of the present invention is size-reduced, dehydration, shaping, health, activation using aluminium hydroxide as raw material
It is calcined, sieves the processes such as packaging to complete.
The purpose of the present invention includes processing technology and processing unit (plant) to complete.The present invention with processing unit (plant) by heat power supply device,
It is mutually organic within reducing mechanism, flash distillation plant, balling head, health preserving equipment, activation device, screening plant composition, each device
Linking, and be connected by power line with control line, form automated control operation operation overall.
Present invention is characterized by：Coal bunker 1, coaling machine 2, disintegrating machine 3, elevator 4, expansion chamber 5, coal conveyor 6, master
Bed 7, backflow blower fan 8, pulverized coal storehouse 9, high temperature exhaust-valve 10, low temperature exhaust-valve 11, high temperature output channel 12, low temperature output channel
13rd, high-temperature heat-exchanging 14, cryogenic heat exchanger 15, high temperature heat exchange blower fan 16, low-temperature heat exchange blower fan 17, pre- hot bellows 18, air blower
19th, high-temperature flue 20, low temperature flue 21, high-temperature flue gas distributing valve 22, low-temperature flue gas distributing valve 23, control centre 24, air-introduced machine
25th, deduster 26, deduster 27, expansion chamber 28, raw material cabin 29, tube-type spiral conveyer 30, powder concentrator 31, micropowder grinding 32, micro-
Grinding main frame 33, high-pressure suction fan 34, flash evaporation furnace 35, tube-type spiral conveyer 36, blocking valve 37, high-temperature hot-air pipeline 38, change
Hot device 39, deduster 40, expansion chamber 41, high-pressure suction fan 42, constant pressure supply additive system 43, healthcare barrel 44, high-pressure suction fan
45th, deduster 46, expansion chamber 47, tube-type spiral conveyer 48, collector 49, deduster 50, expansion chamber 51, blocking valve 52, into
Ball disk 53, high-pressure suction fan 54, high-pressure suction fan 55, automatic feed system 56, activation furnace 57, push-pull valve 58, horizontal vibration sieve
59th, four points of ventilation terminals 60, feed bin 61, feed bins 62, the part of vertical elevator 63 compositions, it is characterised in that：By above-mentioned part device
Into heat power supply device, reducing mechanism, flash distillation plant, shaped device, activation screening plant, entirety is finally constituted by control centre.
Heat power supply device of the present invention：It is by coal bunker 1, coaling machine 2, disintegrating machine 3, elevator 4, expansion chamber 5, coal conveyor
6th, main bed 7, backflow blower fan 8, coal bunker 9, high temperature exhaust-valve 10, low temperature exhaust-valve 11, high temperature output channel 12, low temperature output channel
13rd, high-temperature heat-exchanging 14, cryogenic heat exchanger 15, high temperature heat exchange blower fan 16, low-temperature heat exchange blower fan 17, pre- hot bellows 18, air blower
19th, high-temperature flue 20, low temperature flue 21, high-temperature flue gas distributing valve 22, low-temperature flue gas distributing valve 23, control centre 24, air-introduced machine
25th, deduster 26 is constituted, it is characterised in that：Coal bunker 1 is connected with coaling machine 2, and coaling machine 2 is connected with disintegrating machine 3, disintegrating machine 3 with
Elevator 4 be connected, elevator 4 is connected with coal bunker 9, and coal bunker 9 is connected with coal conveyor 6, and coal conveyor 6 is connected with main bed 7, main bed 7 and
Expansion chamber 5 is connected, and expansion chamber 5 is connected with the exhaust gases passes of high-temperature heat-exchanging 14, cryogenic heat exchanger 15, high-temperature heat-exchanging 14, low
The exhaust gases passes of warm heat exchanger 15 are connected with high-temperature flue gas distributing valve 22, low-temperature flue gas distributing valve 23 respectively, high-temperature flue gas distribution
Valve 22, low-temperature flue gas distributing valve 23 are connected with high-temperature flue 20, low temperature flue 21 respectively, high-temperature flue 20, low temperature flue 21 with
The pre- flue of hot bellows 18 is connected, and 26 times spaces of the pre- flue of hot bellows 18 and deduster are connected, air-introduced machine 25 and the overhead of deduster 26
Between be connected, air blower 19 is connected with main bed 7, flow back the import of blower fan 8 be connected with the pre- hot-air duct of hot bellows 18, backflow blower fan 8
Outlet is connected with main bed 7；Main bed 7 is provided with lower boiling temp probe, upper boiling temp probe, middle temperature probe, outlet temperature and visited
Head, high-temperature heat-exchanging 14 is provided with input flue-gas temperature probe, output flue-gas temperature probe, and cryogenic heat exchanger 15 is provided with input
Flue-gas temperature probe, output flue-gas temperature probe, wherein：Coal bunker 1, coaling machine 2, disintegrating machine 3, elevator 4, coal conveyor 6, high temperature
Flue gas distributing valve 22, the air-introduced machine 25 of low-temperature flue gas distributing valve 23, air blower 19, the electrical appliance part for the blower fan 8 that flows back pass through power line
And signal wire is connected with control centre 24, main bed 7 peace holds boiling temp probe, upper boiling temp probe, middle temperature probe, gone out
Mouth temp probe is connected with control centre 24, and the input flue-gas temperature that high-temperature heat-exchanging 14 is installed is popped one's head in, output flue-gas temperature is visited
Head is connected with control centre 24, and cryogenic heat exchanger 15 is provided with input flue-gas temperature probe, output flue-gas temperature probe and control
Center 24 is connected, and high temperature heat exchange blower fan 16, low-temperature heat exchange blower fan 17 are connected respectively at high-temperature heat-exchanging 14, cryogenic heat exchanger 15,
High-temperature heat-exchanging 14, cryogenic heat exchanger 15 are respectively by high temperature exhaust-valve 10, low temperature exhaust-valve 11 and high temperature output channel 12, low
Warm output channel 13 is connected.High-temperature heat-exchanging, the outlet of cryogenic heat exchanger are provided with temp probe, high temperature heat exchange blower fan 16, low
Warm heat exchange blower fan 17 is connected by power line and signal wire with control centre 24, high-temperature heat-exchanging, the outlet peace of cryogenic heat exchanger
The temp probe of dress is connected by power line and signal wire with control centre 24, coal conveyor 6, backflow blower fan 8, high temperature heat exchange blower fan
16th, low-temperature heat exchange blower fan 17, air blower 19, air-introduced machine 25 linked by frequency converter and each temp probe, chain control.
The operational process of heat power supply device of the present invention is：Washing coal is loaded into coal bunker 1 with loading machine, by coaling machine
2, which transmit the progress into disintegrating machine 3, is broken into fine coal, then being lifted into coal bunker 9 by elevator 4, and fine coal is by control
The control coal conveyor 6 of the heart 24, which carries out fine coal in the main cloth coal of bed 7, main bed 7, to be passed through in the presence of air blower 19, in certain altitude range
Tumbling motion above and below interior work, and burnt with fluidization (or boiling) state, the high-temperature flue gas of formation is in air-introduced machine 25
Under traction, by expansion chamber 5, bulky grain coal ash is settled, high-temperature heat-exchanging 14, cryogenic heat exchanger 15 is entered back into and carries out heat with air
Exchange, distributed by the flue gas of high-temperature flue gas distributing valve 22, low-temperature flue gas distributing valve 23, to high-temperature heat-exchanging 14, low-temperature heat exchange
The temperature of device 15 is regulated and controled, and the flue gas by heat exchange passes through high-temperature flue 20, low temperature flue 21 and high-temperature flue gas distributing valve
22nd, low-temperature flue gas distributing valve 23 enters pre- hot bellows 18, finally enters in deduster 26 and is emptied after dedusting.By the cigarette of heat exchange
Gas enters after pre- hot bellows 18, carries out heat exchange, and preheated air is to 200 degrees Celsius, by the traction for the blower fan 8 that flows back, into master
Waste heat recycling processing is carried out in bed 7.
Clean air enters high-temperature heat-exchanging 14 by the effect of high temperature heat exchange blower fan 16, low-temperature heat exchange blower fan 17, low
Heat exchange is carried out in warm heat exchanger 15, the high and low temperature hot-air of generation enters by high temperature output channel 12, low temperature output channel 13
Enter flash distillation plant and activation device.
Reducing mechanism of the present invention：It by deduster 27, expansion chamber 28, raw material cabin 29, tube-type spiral conveyer 30,
Powder concentrator 31, micropowder grinding 32, micropowder grinding main frame 33, high-pressure suction fan 34, pipeline connection composition.It is characterized in that：Raw material cabin 29
It is connected with tube-type spiral conveyer 30, tube-type spiral conveyer 30 is connected with micropowder grinding 32, micropowder grinding 32 and micropowder grinding main frame 33
Be connected, micropowder grinding main frame 33 is connected with powder concentrator 31, and 27 times spaces of powder concentrator 31 and deduster are connected, 27 times spaces of deduster and
Expansion chamber 28 is connected, and space is connected with high-pressure suction fan 34 on deduster 27；Tube-type spiral conveyer 30, micropowder grinding main frame 33,
Powder concentrator 31, high-pressure suction fan 34 are connected to control centre 24, tube-type spiral conveyer 30, micropowder grinding main frame by power line
33rd, powder concentrator 31, high-pressure suction fan 34 are linked by the frequency converter of control centre 24, chain control controls blanking
Amount, electric current, air quantity.
The operational process of reducing mechanism of the present invention is：Raw material is thrown in raw material cabin 29, tube-type spiral conveyer 30 is equal
Even is input into micropowder grinding 32, and raw material is after the ultramicro grinding of micropowder grinding main frame 33, in the traction of high-pressure suction fan 34
Under effect, enter by powder concentrator 31 in deduster 27, raw material is deposited on expansion chamber 28 by material, qi leel in expansion chamber 28 from after
In, raw material enters in high-temperature hot-air pipeline 38 by tube-type spiral conveyer 36 with blocking valve 37.
Flash distillation plant alleged by the present invention：It is by flash evaporation furnace 35, tube-type spiral conveyer 36, blocking valve 37, high-temperature hot-air
Pipeline 38, heat exchanger 39, deduster 40, expansion chamber 41, high-pressure suction fan 42, pipeline connection composition, it is characterised in that：Tubular type spiral shell
Rotation conveyer 36 is connected with blocking valve 37, and blocking valve 37 is connected with high-temperature hot-air pipeline 38, high-temperature hot-air pipeline 38 and flash evaporation furnace
35 are connected, and flash evaporation furnace 35 is connected with heat exchanger 39, and heat exchanger 39 is connected with deduster 40,40 times spaces of deduster and expansion chamber 41
It is connected, space is connected with high-pressure suction fan 42 on deduster 40；Tube-type spiral conveyer 36, blocking valve 37, pressure air-introduced machine 42 lead to
Cross power line and signal wire with control centre 24 to be connected, tube-type spiral conveyer 36, blocking valve 37, pressure air-introduced machine 42 pass through control
The frequency converter at center 24 processed linked, chain control controls discharge quantity, air quantity.
The operational process of flash distillation plant alleged by the present invention is：Material passes through the uniform distribution of tube-type spiral conveyer 36,
Material is set to enter by blocking valve 37 in high-temperature hot-air pipeline 38, the draw of high-pressure suction fan 42 is quickly through flash evaporation furnace 35
Dried, be dehydrated（Attached water, the crystallization water）Roasting, enters in deduster 40 by the heat exchange of heat exchanger 39, after flash distillation
Material material in deduster expansion chamber is separated with gas to be deposited in deduster expansion chamber 41.Expansion chamber 41 is connected by pipeline
To deduster 46.
Shaped device alleged by the present invention：It by constant pressure for additive system 43, healthcare barrel 44, high-pressure suction fan 45, remove
Dirt device 46, expansion chamber 47, tube-type spiral conveyer 48, collector 49, deduster 50, expansion chamber 51, blocking valve 52, pan-pelletizer
53rd, high-pressure suction fan 54 is constituted, it is characterised in that：High-pressure suction fan 45 is connected with space on deduster 46,46 times skies of deduster
Between be connected with expansion chamber 47, expansion chamber 47 is connected with tube-type spiral conveyer 48, tube-type spiral conveyer 48 convey material into
Ball disk 53, pan-pelletizer 53 goes out semi-finished product into collector 49, and the semi-finished product of collector 49 enter in healthcare barrel 44, in healthcare barrel 44
Semi-finished product by being lifted into automatic feed system 56.Constant pressure is connected for additive system by pipeline with pan-pelletizer 53.It is high
Pressure air-introduced machine 54 is connected with space on deduster 50, and 50 times spaces of deduster are connected pan-pelletizer 53 and deduster 50 with expansion chamber 51
Lower space is connected；High-pressure suction fan 45, high-pressure suction fan 54, tube-type spiral conveyer 48, pan-pelletizer 53 pass through power line and letter
Number line is connected with control centre 24, and high-pressure suction fan 45, high-pressure suction fan 54, tube-type spiral conveyer 48, pan-pelletizer 53 lead to
The frequency converter for crossing control centre 24 linked, chain control controls discharge quantity, revolution, air quantity.
The plastic various products shape of shaped device of the present invention.
The operational process of shaped device alleged by the present invention is：Material enters under the draw of high-pressure suction fan 45 to be removed
In dirt device 46, material is in deduster expansion chamber by special construction, and material is separated with gas to be deposited in deduster expansion chamber 47,
Material is uniformly input into pan-pelletizer 53 by four tube-type spiral conveyers 48, and the material of pan-pelletizer supplies additive in constant pressure
System 43 act on and the forming action of pan-pelletizer 53 under in pan-pelletizer 53 automatic moulding, finished product up to standard pan-pelletizer 53 into
Enter under type action automatically by collector 49 and heat and reaction are carried out in healthcare barrel 44.What pan-pelletizer 53 was produced in forming process
Dust under the draw of high-pressure suction fan 54 enter deduster 50 in, material in deduster expansion chamber by special construction,
Material is separated with gas to be deposited in deduster expansion chamber 51, and opening blocking valve 52 according to the amount timing gathered dust carries out blowing return
In pan-pelletizer 53.
Activation screening plant alleged by the present invention：It by high-pressure suction fan 55, automatic feed system 56, activation furnace 57, insert
Plate valve 58, horizontal vibration sieve 59, four points of ventilation terminals 60, feed bin 61, feed bin 62, vertical elevators 63 are constituted, it is characterised in that：It is high
Pressure air-introduced machine 55 is connected with the air outlet of activation furnace 57, and four points of ventilation terminals 60 are connected with activation furnace 57 intaking air at middle part mouth, feed bin 61 and
The automatic feed system 56 of activation furnace 57 is connected, and the material that the push-pull valve 58 that activation furnace 57 is exported flows out is sieved into horizontal vibration
59, horizontal vibration sieves 59 outlet materials and enters vertical elevator 63, and the outlet material of vertical elevator 63 enters feed bin 62；High pressure is drawn
Blower fan 55 is connected by power line and signal wire with control centre 24, and automatic feed system 56 passes through power line and signal wire and control
Center 24 processed is connected, and horizontal vibration sieve 59, vertical elevator 63 are connected by power line with control centre 24.High-pressure suction fan
55th, Frequency Converter Control discharge quantity, the air quantity that automatic feed system 56 passes through control centre 24.
Activation screening plant operational process alleged by the present invention is：The material of feed bin 61 passes through the control of automatic feed system 56
System enters in activation furnace 57；High-temperature hot-air enters activation furnace under the draw of high-pressure suction fan 55 by four points of ventilation terminals 60
Material is dried in 57, is dehydrated（Attached water, the crystallization water）Roasting, completes drying, dehydration（Attached water, the crystallization water）Roasting
Material via the feed opening push-pull valve 58 of activation furnace 57 control quantitative discharging to horizontal vibration sieve 59 in carry out material model sieve
Point, the material sieved, which enters in vertical elevator 63, to be cooled and is lifted into feed bin 62.
Equipment connection between each device of the present invention is as follows：
Flash distillation plant is connected to by high-temperature hot-air pipeline 38 by heat power supply device first, heat power supply device passes through four points of ventilation terminals
60 are connected to activation device, and reducing mechanism is connected by the tube-type spiral conveyer 36 with flash distillation plant with flash distillation plant, flash distillation
Device is connected by pipeline with shaped device, and shaped device is connected by the material transfer of healthcare barrel 44 with activation screening plant
Connect；Its technological process is：Aluminium hydroxide raw material is thrown in raw material cabin 29, tube-type spiral conveyer 30 is uniformly input into
In micropowder grinding 32, raw material is after the ultramicro grinding of micropowder grinding main frame 33, under the draw of high-pressure suction fan 34, by choosing
Powder machine 31 enters in deduster 27, and after deduster sedimentation, raw material is separated with gas to be deposited in deduster expansion chamber 28, warp
The uniform distribution of tube-type spiral conveyer 36 is crossed, material is entered 700-900 degrees Celsius with heat power supply device by blocking valve 37
In the hot air duct 38 that hot blast high temperature output channel 12 is connected, the draw of high-pressure suction fan 42 passes through flash evaporation furnace 35 in 0.8 second
Flash distillation roasting is carried out, by the discharge quantity of control centre's control material, it is Celsius that control flash distillation heater outlet temperature is maintained at 300-400
After degree, then the heat exchange cooling of process heat exchanger 39 enters in deduster 40, and the material after flash distillation passes through in deduster expansion chamber
Special construction, material is separated with gas to be deposited in deduster expansion chamber 41, and into cooling pipeline, material is in high-pressure suction fan 45
Draw under enter deduster 46 in, material is in deduster expansion chamber by special construction, and material separates deposition with gas
In deduster expansion chamber 47, material by four tube-type spiral conveyers 48 it is uniform, it is quantitative be input into pan-pelletizer 53, it is permanent
Pressure is quantitative to the addition additive of pan-pelletizer 53 for additive system 43, and material is under the forming action of pan-pelletizer 53 in pan-pelletizer 53
Middle automatic moulding, enters automatically by collector 49 under the forming action of pan-pelletizer 53 and heat and reaction is carried out in healthcare barrel 44；
The healthcare barrel that heat and reaction are completed is placed on the charging aperture of activation furnace 57 by lifting, and the material in healthcare barrel 44 by entering automatically
The control of material system 56 enters in activation furnace 57；It is connected with 350-650 degrees Celsius of hot blast low temperature output channel 13 of heat power supply device
Four points of ventilation terminals 60 in hot blast under the draw of high-pressure suction fan 55 enter activation furnace 57 in material carry out work
Change roasting, the material for completing calcination for activation enters horizontal vibration via the feed opening push-pull valve 58 of activation furnace 57 control load
Material model screening is carried out in sieve 59, the material sieved, which enters, is cooled and be lifted into feed bin 62 in vertical elevator 63
In.
Above-mentioned flow is automatically performed by master control room control.
Control centre's control method：
Control heat power supply device：Pass through control centre's coal conveyor, air-introduced machine, air blower, high temperature heat exchange blower fan, low-temperature heat exchange wind
The frequency converter comprehensive regulation of machine, to control high temperature output channel, the hot air temperature of low temperature output channel and air quantity to coordinate it
His device.
Control reducing mechanism：By the frequency converter chain function of control centre, by controlling the reaction of micropowder grinding motor micro-
The electric current of grinding motor inverter controls the discharge quantity of tube-type spiral conveyer, that is, is embodied in tube-type spiral conveyer frequency converter
The tube-type spiral conveyer electric machine frequency of display；By adjusting the frequency of powder concentrator, i.e., the powder concentrator that powder concentrator frequency converter is shown
Electric machine frequency come control raw material crush fineness.
Control flash distillation plant：By before the flash distillation feed opening of control centre, flash distillation feed opening after, flash distillation outlet temperature show
Instrument, come the discharge quantity of the tube-type spiral conveyer that regulates and controls flash distillation plant, that is, is embodied in what tube-type spiral conveyer frequency converter was shown
Tube-type spiral conveyer electric machine frequency.
Control activation device：By the activation entrance of control centre, activation middle part, activation outlet temperature indicator, to adjust
The discharge quantity of the automatic feed system of control activation device, that is, be embodied in the automatic feed system that automatic feed system frequency converter is shown
Electric machine frequency.
Brief description of the drawings
Fig. 1 is heat power supply device right view；
Fig. 2 is heat power supply device front view；
Fig. 3 is heat power supply device left view；
Fig. 4 is reducing mechanism front view；
Fig. 5 is reducing mechanism top view；
Fig. 6 is flash distillation plant front view；
Fig. 7 is flash distillation plant top view；
Fig. 8 is balling head front view；
Fig. 9 is balling head top view；
Figure 10 is activation device front view；
Figure 11 is activation device top view；
Figure 12 is activated alumina process units front view；
Figure 13 is activated alumina process units flow chart, and wherein dotted line is that electric power connection line, solid line are technological process line；
In figure：1- coal bunkers, 2- coaling machines, 3- disintegrating machines, 4- elevators, 5- expansion chambers, 6- coal conveyors, the main beds of 7-, 8- are returned
Flow fan, 9- pulverized coal storehouses, 10- high temperature exhaust-valve, 11- low temperature exhaust-valve, 12- high temperature output channel, 13- low temperature output channel,
14- high-temperature heat-exchangings, 15- cryogenic heat exchangers, 16- high temperature heat exchange blower fan, 17- low-temperature heat exchanges blower fan, the pre- hot bellows of 18-, 19- drums
Blower fan, 20- high-temperature flues, 21- low temperature flues, 22- high-temperature flue gas distributing valve, 23- low-temperature flue gas distributing valve, 24- control centres,
25- air-introduced machines, 26- dedusters, 27- dedusters, 28- expansion chambers, 29- raw material cabins, 30- tube-type spiral conveyers, 31- select powder
Machine, 32- micropowder grindings, 33- micropowder grindings main frame, 34- high-pressure suction fans, 35- flash evaporation furnaces, 36- tube-type spiral conveyers, 37- lock gas
Valve, 38- high-temperature hot-airs pipeline, 39- heat exchangers, 40- dedusters, 41- expansion chambers, 42- high-pressure suction fans, 43- constant pressures are for addition
Agent system, 44- healthcare barrels, 45- high-pressure suction fans, 46- dedusters, 47- expansion chambers, 48- tube-type spiral conveyers, 49- rewindings
Device, 50- dedusters, 51- expansion chambers, 52- blocking valves, 53- pan-pelletizers, 54- high-pressure suction fans, 55- high-pressure suction fans, 56- are certainly
Dynamic feed system, 57- activation furnaces, 58- push-pull valves, 59- horizontal vibrations sieve, tetra- points of ventilation terminals of 60-, 61- feed bins, 62- feed bins,
63- vertical elevators.
The present invention has advantages below：
The process units operational control is completed under the regulation and control of control centre, and automaticity is high.
Using novel heat source device：The heat power supply device supplies hot blast by the way of indirectly heat pure air, so hot
Wind is clean, and on product quality without influence, the clean hot blast temperature of supply is up to 850 DEG C, far above 650 DEG C of poles of same class A furnace A
Limit for height temperature, while can many devices be carried out with the warm-air supply of different temperatures requirement, compared to use natural gas, coal gas hot-blast stove,
Equipment repeatability is reduced, while reducing potential safety hazard.
The micropowder grinding that the process units is used is the micropowder grinding of newest research and development, is compared than traditional pulverising mill, with huge
Big advantage, must add dry air-flow process to bother, that is, reduce cost, again before can saving conventional size reduction mill using the grinding machine
Save artificial.
The process units equipment is succinct, and deduster just instead of the deduster, cyclone separator, feed bin of same device, pole
The big repeatability and complexity that optimize device.
The process units production site takes small.
The process units automaticity is high, so that save artificial, labor intensity reduction.
The process units invests small, instant effect.
The process units is safe, applicable.
Activated alumina production and processing device and technique alleged by the present invention, are primarily referred to as production active oxidation aluminium ball, divide
Son sieve, proppant, as long as be produced using aluminum oxide as raw material the other products of activated alumina can with apparatus of the present invention and
Technique is processed, and former capital is protection scope of the present invention.
Promoted well and practical value so the process units has, good economy can be produced after extensive popularization and application
Benefit and social benefit.
Embodiment
Below by taking the active oxidation aluminium ball process units of 10000 tons of annual productions as an example.
First, the relevant part of each device is bought or processed by production design, is then equipped.After being equipped with, press
Following operation process is processed.
First aluminium hydroxide raw material is thrown in raw material cabin 29, then is uniformly input into by tube-type spiral conveyer 30 micro-
In grinding 32, raw material passes through the ultramicro grinding of micropowder grinding main frame 33, and granularity is up to standard（0.045 millimeter）Afterwards, in high-pressure suction fan 34
Draw under, by powder concentrator 31 enter deduster 27 in（Granularity raw material not up to standard can not pass through powder concentrator structure）, grain
Degree raw material up to standard is in deduster expansion chamber by special construction, and granularity raw material up to standard separates that to be deposited on deduster heavy with gas
Drop in room 28, by the uniform distribution of tube-type spiral conveyer 36, material is entered and heat power supply device by blocking valve 37
In the hot air duct 38 that 700-900 degrees Celsius of hot blast high temperature output channel 12 is connected, the draw of high-pressure suction fan 42 0.8 second
Flash distillation roasting is carried out by flash evaporation furnace 35, by the discharge quantity of master control system control material, control flash distillation heater outlet temperature is kept
Enter after 300-400 degrees Celsius, then by the heat exchange cooling of heat exchanger 39 in deduster 40, the material after flash distillation is in dedusting
Device expansion chamber is by special construction, and material is separated with gas to be deposited in deduster expansion chamber 41, and into cooling pipeline, material exists
Enter under the draw of high-pressure suction fan 45 in deduster 46, material in deduster expansion chamber by special construction, material with
Gas separation is deposited in deduster expansion chamber 47, and material is uniform, quantitative that its is defeated by four tube-type spiral conveyers 48
Enter pan-pelletizer 53, constant pressure is quantitative to the addition additive of pan-pelletizer 53 for additive system 43, material is moved in the shaping of pan-pelletizer 53
Under work in pan-pelletizer 53 automatic spheroiding, finished product up to standard enters under the forming action of pan-pelletizer 53 automatically by collector 49
Enter to carry out 24 hours heat and reaction in healthcare barrel 44；The healthcare barrel that heat and reaction are completed is placed on activation furnace 57 by lifting and fed
On mouth, the material in healthcare barrel 44 enters in activation furnace 57 by the control of automatic feed system 56；With the 350- of heat power supply device
The draw of hot blast in four points of ventilation terminals 60 that 650 degrees Celsius of hot blast low temperature output channels 13 are connected in high-pressure suction fan 55
To the calcination for activation of material progress three hours in lower entrance activation furnace 57, the material of calcination for activation is completed via under activation furnace 57
Material mouth push-pull valve 58 controls five kilograms per minute of load to enter and material model screening, screening is carried out in horizontal vibration sieve 59
Good material, which enters in vertical elevator 63, to be cooled and is lifted into feed bin 62, as active oxidation aluminium ball product.
Above-mentioned flow is automatically performed by master control room control.
Claims (7)
1. a kind of activated alumina process units, it by：Coal bunker (1), coaling machine (2), disintegrating machine (3), elevator (4), sedimentation
Room (5), coal conveyor (6), main bed (7), backflow blower fan (8), pulverized coal storehouse (9), high temperature exhaust-valve (10), low temperature exhaust-valve (11),
High temperature output channel (12), low temperature output channel (13), high-temperature heat-exchanging (14), cryogenic heat exchanger (15), high temperature heat exchange blower fan
(16), low-temperature heat exchange blower fan (17), pre- hot bellows (18), air blower (19), high-temperature flue (20), low temperature flue (21), high temperature
Flue gas distributing valve (22), low-temperature flue gas distributing valve (23), control centre (24), air-introduced machine (25), deduster (26), deduster
(27), expansion chamber (28), raw material cabin (29), tube-type spiral conveyer (30), powder concentrator (31), micropowder grinding (32), micropowder grinding master
Machine (33), high-pressure suction fan (34), flash evaporation furnace (35), tube-type spiral conveyer (36), blocking valve (37), high-temperature hot-air pipeline
(38), heat exchanger (39), deduster (40), expansion chamber (41), high-pressure suction fan (42), constant pressure supply additive system (43), supported
Raw bucket (44), high-pressure suction fan (45), deduster (46), expansion chamber (47), tube-type spiral conveyer (48), collector (49),
Deduster (50), expansion chamber (51), blocking valve (52), pan-pelletizer (53), high-pressure suction fan (54), high-pressure suction fan (55), from
Dynamic feed system (56), activation furnace (57), push-pull valve (58), horizontal vibration sieve (59), four points of ventilation terminals (60), feed bin (61),
Feed bin (62), vertical elevator (63) part composition, it is characterised in that：By above-mentioned part device into heat power supply device, reducing mechanism,
Flash distillation plant, shaped device, activation screening plant, finally constitute entirety by control centre.
2. a kind of activated alumina process units according to claim 1, it is by coal bunker (1), coaling machine (2), disintegrating machine
(3), elevator (4), expansion chamber (5), coal conveyor (6), main bed (7), backflow blower fan (8), pulverized coal storehouse (9), high temperature exhaust-valve
(10), low temperature exhaust-valve (11), high temperature output channel (12), low temperature output channel (13), high-temperature heat-exchanging (14), low-temperature heat exchange
Device (15), high temperature heat exchange blower fan (16), low-temperature heat exchange blower fan (17), pre- hot bellows (18), air blower (19), high-temperature flue
(20), low temperature flue (21), high-temperature flue gas distributing valve (22), low-temperature flue gas distributing valve (23), control centre (24), air-introduced machine
(25), deduster (26) constitutes the heat power supply device of activated alumina process units；It is characterized in that：Coal bunker (1) and coaling machine (2)
It is connected, coaling machine (2) is connected with disintegrating machine (3), and disintegrating machine (3) is connected with elevator (4), elevator (4) and coal bunker (9) phase
Even, coal bunker (9) is connected with coal conveyor (6), and coal conveyor (6) is connected with main bed (7), and main bed (7) is connected with expansion chamber (5), sedimentation
Room (5) is connected with the exhaust gases passes of high-temperature heat-exchanging (14), cryogenic heat exchanger (15), high-temperature heat-exchanging (14), cryogenic heat exchanger
(15) exhaust gases passes are connected with high-temperature flue gas distributing valve (22), low-temperature flue gas distributing valve (23) respectively, high-temperature flue gas distributing valve
(22), low-temperature flue gas distributing valve (23) is connected with high-temperature flue (20), low temperature flue (21) respectively, high-temperature flue (20), low temperature
Flue (21) is connected with pre- hot bellows (18) flue, and pre- hot bellows (18) flue is connected with space under deduster (26), air-introduced machine
（25）With deduster（26）Upper space is connected, air blower（19）With main bed（7）It is connected, flow back blower fan（8）Import and pre- hot bellows
（18）Hot-air duct is connected, and flow back blower fan（8）Outlet and main bed（7）It is connected；Main bed（7）Be provided with it is lower boiling temp probe, on
Boil temp probe, middle temperature probe, outlet temperature probe, high-temperature heat-exchanging（14）Be provided with input flue-gas temperature probe, it is defeated
Go out flue-gas temperature probe, cryogenic heat exchanger（15）Input flue-gas temperature probe, output flue-gas temperature probe are installed, wherein：Coal
Storehouse（1）, coaling machine（2）, disintegrating machine（3）, elevator（4）, coal conveyor（6）, high-temperature flue gas distributing valve（22）, low-temperature flue gas distribution
Valve（23）, air-introduced machine（25）, air blower（19）, backflow blower fan（8）Electrical appliance part pass through power line and signal wire with control
The heart（24）It is connected, main bed（7）Peace hold boiling temp probe, upper boiling temp probe, middle temperature probe, outlet temperature probe with
Control centre（24）It is connected, high-temperature heat-exchanging（14）Input flue-gas temperature probe, output flue-gas temperature probe and the control of installation
Center（24）It is connected, cryogenic heat exchanger（15）Input flue-gas temperature probe, output flue-gas temperature probe and control centre are installed
（24）It is connected, high temperature heat exchange blower fan（16）, low-temperature heat exchange blower fan（17）Respectively at high-temperature heat-exchanging（14）, cryogenic heat exchanger（15）
It is connected, high-temperature heat-exchanging（14）, cryogenic heat exchanger（15）Pass through high temperature exhaust-valve respectively（10）, low temperature exhaust-valve（11）With high temperature
Output channel (12), low temperature output channel (13) are connected.High-temperature heat-exchanging, the outlet of cryogenic heat exchanger are provided with temp probe,
High temperature heat exchange blower fan (16), low-temperature heat exchange blower fan (17) are connected by power line and signal wire with control centre (24), and high temperature is changed
The temp probe that hot device, the outlet of cryogenic heat exchanger are installed is connected by power line and signal wire with control centre (24), is delivered coal
Machine (6), backflow blower fan (8), high temperature heat exchange blower fan (16), low-temperature heat exchange blower fan (17), air blower (19), air-introduced machine (25) lead to
Cross frequency converter and each temp probe linked, chain control.
3. a kind of activated alumina process units according to claim 1, it is by deduster (27), expansion chamber (28), original
Feed bin (29), tube-type spiral conveyer (30), powder concentrator (31), micropowder grinding (32), micropowder grinding main frame (33), high-pressure suction fan
(34), the reducing mechanism of pipeline connection composition activated alumina process units；It is characterized in that：Raw material cabin (29) and tube auger
Conveyer (30) is connected, and tube-type spiral conveyer (30) is connected with micropowder grinding (32), micropowder grinding (32) and micropowder grinding main frame (33)
It is connected, micropowder grinding main frame (33) is connected with powder concentrator (31), and powder concentrator (31) is connected with space under deduster (27), deduster
(27) space is connected with expansion chamber (28) under, and space is connected with high-pressure suction fan (34) on deduster (27)；Tube auger is conveyed
Machine (30), micropowder grinding main frame (33), powder concentrator (31), high-pressure suction fan (34) are connected to control centre (24) by power line,
Tube-type spiral conveyer (30), micropowder grinding main frame (33), powder concentrator (31), high-pressure suction fan (34) pass through control centre (24)
Frequency converter linked, chain control controls discharge quantity, electric current, air quantity.
4. a kind of activated alumina process units according to claim 1, it is by flash evaporation furnace (35), tube-type spiral conveyer
(36), blocking valve (37), high-temperature hot-air pipeline (38), heat exchanger (39), deduster (40), expansion chamber (41), high-pressure suction fan
(42), the flash distillation plant of pipeline connection composition activated alumina process units；It is characterized in that：Tube-type spiral conveyer (36) with
Blocking valve (37) is connected, and blocking valve (37) is connected with high-temperature hot-air pipeline (38), high-temperature hot-air pipeline (38) and flash evaporation furnace (35)
Be connected, flash evaporation furnace (35) is connected with heat exchanger (39), and heat exchanger (39) is connected with deduster (40), under deduster (40) space and
Expansion chamber (41) is connected, and space is connected with high-pressure suction fan (42) on deduster (40)；Tube-type spiral conveyer (36), blocking valve
(37), pressure air-introduced machine (42) is connected by power line and signal wire with control centre (24), tube-type spiral conveyer (36), lock gas
Valve (37), pressure air-introduced machine (42) are linked by the frequency converter of control centre (24), chain control controls discharge quantity, wind
Amount.
5. a kind of activated alumina process units according to claim 1, it supplies additive system (43), health by constant pressure
Bucket (44), high-pressure suction fan (45), deduster (46), expansion chamber (47), tube-type spiral conveyer (48), collector (49), remove
Dirt device (50), expansion chamber (51), blocking valve (52), pan-pelletizer (53), high-pressure suction fan (54) composition activated alumina production dress
The shaped device put；It is characterized in that：High-pressure suction fan (45) is connected with space on deduster (45), space under deduster (45)
It is connected with expansion chamber (47), expansion chamber (47) is connected with tube-type spiral conveyer (48), tube-type spiral conveyer (48) conveying thing
Expect pan-pelletizer (53), pan-pelletizer (53) goes out semi-finished product into collector (49), and the semi-finished product of collector (49) enter healthcare barrel
(44) in, the semi-finished product in healthcare barrel (44) are by being lifted into automatic feed system (56).Constant pressure passes through for additive system
Pipeline is connected with pan-pelletizer (53).High-pressure suction fan (54) is connected with space on deduster (50), under deduster (50) space with
The connected pan-pelletizer (53) of expansion chamber (51) is connected with space under deduster (50)；High-pressure suction fan (45), high-pressure suction fan (54),
Tube-type spiral conveyer (48), pan-pelletizer (53) are connected by power line and signal wire with control centre (24), high-pressure suction fan
(45), high-pressure suction fan (54), tube-type spiral conveyer (48), pan-pelletizer (53) are entered by the frequency converter of control centre (24)
Row linkage, chain control control discharge quantity, revolution, air quantity.
6. a kind of activated alumina process units according to claim 1, it is by high-pressure suction fan (55), automatic feed system
Unite (56), activation furnace (57), push-pull valve (58), horizontal vibration sieve (59), four points of ventilation terminals (60), feed bin (61), feed bin (62),
Vertical elevator (63) constitutes the activation screening plant of activated alumina process units；It is characterized in that：High-pressure suction fan (55)
It is connected with activation furnace (57) air outlet, four points of ventilation terminals (60) are connected with activation furnace (57) intaking air at middle part mouthful, feed bin (61) is with living
The automatic feed system (56) for changing stove (57) is connected, and the material of push-pull valve (58) outflow of activation furnace (57) outlet shakes into level
Dynamic sieve (59), horizontal vibration sieve (59) outlet material enters vertical elevator (63), and vertical elevator (63) outlet material enters
Feed bin (62)；High-pressure suction fan (55) is connected by power line and signal wire with control centre (24), automatic feed system (56)
It is connected by power line and signal wire with control centre (24), horizontal vibration sieve (59), vertical elevator (63) pass through power line
It is connected with control centre (24).The frequency converter control that high-pressure suction fan (55), automatic feed system (56) pass through control centre (24)
Discharge quantity processed, air quantity.
7. a kind of production technology of activated alumina process units according to claim 1, is passed through by heat power supply device first
High-temperature hot-air pipeline (38) is connected to flash distillation plant, and heat power supply device is connected to activation device by four points of ventilation terminals (60), crushes
Device is connected by the tube-type spiral conveyer (36) with flash distillation plant with flash distillation plant, and flash distillation plant is passing through pipeline and shaping
Device is connected, and shaped device is connected by the material transfer of healthcare barrel (44) with activation screening plant constitutes activated alumina life
Device is produced, so as to form distinctive activated alumina production technology；It is characterized in that：Aluminium hydroxide raw material is thrown to raw material cabin
(29) in, uniformly it is input into by tube-type spiral conveyer (30) in micropowder grinding (32), raw material passes through micropowder grinding main frame (33)
Ultramicro grinding after, under the draw of high-pressure suction fan (34), enter by powder concentrator (31) in deduster (27), except
After the sedimentation of dirt device, raw material is separated with gas to be deposited in deduster expansion chamber (28), by tube-type spiral conveyer (36)
Uniform distribution, makes material enter the 700-900 degrees Celsius of hot blast high temperature output channel with heat power supply device by blocking valve (37)
(12) in the hot air duct (38) of connection, the draw of high-pressure suction fan (42) is flashed for 0.8 second by flash evaporation furnace (35)
Roasting, by the discharge quantity of master control system control material, control flash distillation heater outlet temperature is maintained at after 300-400 degrees Celsius,
Enter again by the heat exchange cooling of heat exchanger (39) in deduster (40), it is special that the material after flash distillation passes through in deduster expansion chamber
Structure, material is separated with gas to be deposited in deduster expansion chamber (41), and into cooling pipeline, material is in high-pressure suction fan (45)
Draw under enter deduster (46) in, material is in deduster expansion chamber by special construction, and it is heavy that material is separated with gas
Product in deduster expansion chamber (47), material by four tube-type spiral conveyers (48) it is uniform, quantitative be input into balling-up
Disk (53), constant pressure is quantitative to pan-pelletizer (53) addition additive, shaping of the material in pan-pelletizer (53) for additive system (43)
Under action in pan-pelletizer (53) automatic moulding, under the forming action of pan-pelletizer (53) automatically by collector (49) enter support
Heat and reaction are carried out in raw bucket (44)；The healthcare barrel that heat and reaction are completed is placed on activation furnace (57) charging aperture by lifting,
Material in healthcare barrel (44) enters in activation furnace (57) by the control of automatic feed system (56)；With the 350- of heat power supply device
Hot blast leading in high-pressure suction fan (55) in four points of ventilation terminals (60) of 650 degrees Celsius of hot blast low temperature output channel (13) connections
The effect of drawing is lower to enter the calcination for activation carried out in activation furnace (57) to material, completes the material of calcination for activation via activation furnace
(57) feed opening push-pull valve (58) control load, which is entered, carries out material model screening in horizontal vibration sieve (59), sieved
Material, which enters, to be cooled and is lifted into feed bin (62) in vertical elevator (63), forms finished product, above-mentioned flow passes through
Master control room control is automatically performed.
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| CN111689507B (en) * | 2020-06-23 | 2022-11-08 | 萍乡市华顺环保化工填料有限公司 | Automatic production line for chemical raw material carriers and adsorbents |
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| JP3975513B2 (en) * | 1997-07-29 | 2007-09-12 | 住友化学株式会社 | Continuous production of alpha alumina |
| ES2316891T3 (en) * | 2004-03-19 | 2009-04-16 | Cuf-Companhia Uniao Fabril, Sgps, S.A. | PRODUCTION OF FINE ALUMINUM OXIDE POWDER. |
| CN202016883U (en) * | 2011-03-03 | 2011-10-26 | 东北大学设计研究院（有限公司） | Device for producing alumina clinker in semidry method |
| CN102849766A (en) * | 2011-06-28 | 2013-01-02 | 沈阳铝镁设计研究院有限公司 | Method for waste heat recovery and utilization of roasted alumina |
| CN203820474U (en) * | 2014-05-25 | 2014-09-10 | 杨武 | Flue gas waste heat recovery and utilization device for aluminium hydroxide calcinator |
| CN104692435A (en) * | 2015-03-31 | 2015-06-10 | 沈阳鑫博工业技术股份有限公司 | Suspension roasting device and technology for producing multiform aluminum oxide |
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