A kind of carbonization-activation integral processing unit (plant) and processing method thereof
Technical field
The present invention relates to the production field of activated carbon, especially a kind of carbonization-activation integral processing unit (plant) and processing side thereof
Method.
Background technology
Activated carbon is widely used in all trades and professions owing to having the characterization of adsorption of excellence, it has also become must in productive life
Standby, important industrial products.
The production technology of activated carbon mainly includes carbonization and two steps of activation, and wherein the essence of carbonization is organic heat
Solution preocess, reacts including pyrolysis and thermal polycondensation, under the high temperature conditions, and the element such as hydrogen contained in organic compound, oxygen
Composition be decomposed.Carbon atom is constantly cyclized, aromatisation, and result makes the atoms such as hydrogen, oxygen, nitrogen constantly reduce, and charcoal is constantly enriched with,
After become rich charcoal or pure coal substance through graphitizing process;The purpose of activation is to utilize steam or chemical substance to remove carbonization
Journey accumulates in the tar material in pore structure and pyrolysis product, to improve pore volume (or surface area) and high-adsorption-capacity
Finished product charcoal.The method of activation mainly uses physical activation method, also referred to as gas activation, and this process is in height by carbonizing production
Temperature (800-950 DEG C), passes to steam, carbon dioxide or air and carbonaceous and does the oxidation of selectivity charcoal, is deposited in hole to remove
The reaction product in hole.
Wooden active carbon by physical refers to wooden material as raw material, uses the activated carbon that physical activation method produces, due to it
Raw material and activator (water vapour and carbon dioxide) cleaning, product is pollution-free, enjoy great popularity at present.In prior art, Ji Husuo
It is all retort and activation furnace is provided separately, separately run that some active carbon by physical produce equipment.Only have several documents to relate to
Carbonization-activation integral furnace.Such as, utility model patent CN 201240852 Y disclose one can continuously carbonizing, activation produce
The converter of physics charcoal, the carbonization section converter placed including inclined shape and on the downside of being obliquely positioned at and concatenate mutually with carbonization section converter
Activation section converter, is respectively equipped with to prevent material in stove from leaking and can between its carbonization section converter and activation section converter joint
Seal connector in relative rotation.This converter from being carbonization section in appearance and activation section forms one, actually or carbonization with
Activate two reactors separately to run, and it prevents material in stove from leaking and relatively turnable seal connector is also easy to
Reveal after abrasion.
Patent of invention CN 102311742B discloses processing method and the work thereof of a kind of cellulose industry biomass castoff
Process and equipment, feeds drying system by cellulose industry biomass material, by the height produced from fugitive constituent burning in carbonization process
Temperature flue gas provides heat, makes raw material be dried;Dry raw material, after gas-solid separator separates, enters carbonization reaction device part heat
Solve carbonization, rely on the temperature in burning volatile matter maintenance reactor and the heat required for carbonization, in obtained carbonization reaction
Between product enter riser activation furnace, under the effect of Oxidant and activator prepare activated carbon, the temperature in activation furnace
Degree is that the heat provided by combustion parts carbonized material is maintained, and the high-temperature gas-solid product of activation is needed by heat exchange preparation system
The steam wanted.This technical process uses the continuously-running duty of complete self-heating, but being dried of raw material with carbonization process is point
Do not carry out in drum dryer and two reactors of (whirlwind) retort, and the activation temperature in riser reactor
It is that the heat provided by combustion parts carbonized material is maintained, thus reduces the productivity of activated carbon.
Utility model patent CN 201043140Y discloses a kind of self-heating carbonization-activation integral rotary furnace, by charging aperture, gives up
Heat boiler, the first support roller, the first backing ring, transmission gear ring, revolution body of heater, the second support roller, the second backing ring, heat-insulation layer, copy plate, return
Arch in converter burner, furnace internal-lining, stove, gas-fired hole, steam addition pipe, fresh air inlet, stove interior wall, discharging opening, steam pipe support,
Furnace internal-lining support arm, motor, reductor are constituted.Material be move forward in furnace internal-lining during be sequentially completed carbonization and activation,
The combustible gas that carbonization and activation produce is in revolution burner burning, and the hot gas of burning opposite direction again is propped up with furnace internal-lining through furnace internal-lining
Flue heating rotary furnace internal-lining between arm, it is achieved cyclic production is run.But the disadvantage of this design structure is carbonization rank
The fuel gas that section produces, such as H2、CO、CH4, tar etc. have to pass through activation section and could go out from inner bag, these gases can not be made
For activator, the dividing potential drop of activator steam can be made to reduce, reduce steam to the activation efficiency of carbonized material and activation product quality.
Summary of the invention
Problem to be solved by this invention is the deficiency overcoming prior art to exist, it is provided that a kind of carbonization-activation integral adds
Frock is put and processing method.This device is a kind of reciprocating device being carried out continuously carbonization-activation integralization processing, is conducive to
The stable operation of carbonization-activation process, device design is beneficial to energy-saving and environmental protection, improves the quality of activated carbon simultaneously.
Carbonization-activation integral processing unit (plant) of the present invention is integrated with being dried of raw material, carbonization, activates in a stove
Internal, it produces activated carbon and realizes the Continuous maching production of self-heating.
Carbonization-activation integral processing unit (plant) of the present invention, is arranged on carbonization inner tube in converter inner chamber, and carbonization is former
Gradually by carbonization during expecting to advance in carbonization inner tube, the combustible gas that carbonization the discharges carbonization by carbonization inner tube top
Combustible gas portals and enters the activation cavity of outer shroud, by being that activation provides sufficient heat with the air mixed combustion heat release fed
Can, and provide heat for the raw material carbonization in inner tube, it is achieved and carbonization and the self-heating of activation, stable operation, energy-saving and environment-friendly.
Carbonization-activation integral processing unit (plant) of the present invention, its air inlet pipe is mixed into air by 6-8 root water vapour
Trachea forms, and accesses the activation cavity in carbonization-activation integral formula converter by swivel joint, and wherein water vapour derives from described
Waste heat boiler in device, uses as activator in activation cavity, priming reaction occurs;Air enters activation cavity, main
Utilize its oxygenous volatile matter discharged with carbonized material and activation produce combustible gas generation combustion reaction heat release, and
And the carbon dioxide that burning produces, and the carbon dioxide carried in air also given play to the effect of activator.6-8 root is mixed into
The design of trachea is owing to, during less than 6, water vapour and air are not visibly homogeneous, the work of carbonized material at activation chamber distribution in vivo
Change the bad product quality causing producing of effect the most not fine, increase radical and can promote operational effect, but then promote more than 8
DeGrain, too increases difficulty and operating cost on manufacturing simultaneously.
Carbonization-activation integral processing unit (plant) structure of the present invention is compact to design, arranges carbonization in converter inside center
Stove (carbonization inner tube), the combustible gas that raw material carbonization discharges is in activation inside cavity burning, the warm needed for supply activation and carbonization
Amount, it is to avoid the problem consuming part carbonized material during independent activation, improves the yield of activated carbon product, saves raw-material
Consume and manually wait cost.
Carbonization-activation integral processing method of the present invention, when system operating is stablized, owing to need not outside adding
Portion's fuel, therefore the method increase the energy utilization efficiency of system, and flue gas qualified discharge can be made.
In carbonization-activation integral processing method of the present invention, the carbonization raw material time of staying in carbonization inner tube leads to
The rotating speed crossing pushing spiral is controlled, the carbonized material time of staying in the activation cavity of outer shroud by the discharging speed of carbonized material and
The rotating speed of converter controls, and wherein the discharging speed of carbonized material is the most relevant to the rotating speed of pushing spiral, by factors above
Control to ensure the time of staying of carbonization-activation and the quality of activated carbon.Specifically, pushing spiral rotating speed control 5 ~
10rpm, the rotating speed of converter controls at 0.3 ~ 1.0rpm, low less than above minimum speed product yield or higher than above the highest turn
Speed, the quality of activated carbon product is low.
Device of the present invention and processing method thereof, its raw material used is not limited solely to wooden material, and other contains
The Organic substance of carbon, such as mud, house refuse etc. also can produce carbonized material and activated carbon as the raw material of the present invention.
Concrete scheme is as follows:
A kind of carbonization-activation integral processing unit (plant), including carbonization-activation integral formula converter, feed arrangement, carbonization inner tube, discharging
Chiller, gas collection chamber, secondary combustion chamber, waste heat boiler, washing cooling tower, air-introduced machine, base, actuating device, converter
Driving means, air stove, swivel joint and air inlet pipe;
Described carbonization-activation integral formula converter has converter front end and converter rear end, and described converter front end arranges feed arrangement, goes out
Material chiller and gas collection chamber, described converter rear end is provided with the air stove starting intensification, and in described converter rear end
By swivel joint connect air inlet pipe, in described carbonization-activation integral formula converter centrally along axially arranged carbonization inner tube, described
Arranging pushing spiral in carbonization inner tube, described carbonization inner tube is extended converter rear end and is fixed by sealing;
Having carbonization combustible gas above described carbonization inner tube to portal, the afterbody of described carbonization inner tube has carbonized material outlet;Described
Form an activation cavity between carbonization inner tube and carbonization-activation integral formula converter outer cylinder body, the heat that carbonization produces occurs in carbonization inner tube
Venting one's spleen and portalling entrance activation cavity from carbonization combustible gas, occur in carbonization inner tube carbonized material that carbonization produces from carbonized material export into
Enter and activate cavity, and the opposite direction advanced along raw material is advanced, and in activation cavity, priming reaction occurs, generates activated carbon, through going out
Discharge after material chiller cooling;
Described feed arrangement includes raw material feed bin, driving device for slow-run and pushing spiral, wherein driving device for slow-run and pusher
Spiral one end is connected, and the other end of described pushing spiral inserts described carbonization inner tube, and extends to carbonized material outlet, described
Raw material feed bin is located at above pushing spiral;
Described gas collection chamber is connected with secondary combustion chamber, the gas outlet of described secondary combustion chamber and waste heat boiler, water
Wash cooling tower and air-introduced machine is sequentially connected;It is provided with two actuating devices on the outer peripheral face of described carbonization-activation integral formula converter,
The both sides, lower section of described carbonization-activation integral formula converter is provided with two bases, and described base supports actuating device, described transmission
Device contacts with converter driving device, and when carbonization-activation integral formula converter is in rolling, base and actuating device coordinate realization
Carbonization-activation integral formula converter is carried out along its location axially and radially.
Further, described converter driving device is motor.
Further, described cooling device for discharging includes discharging cooling coil and discharging cooling rotating cylinder, and wherein discharging is cold
But coil pipe is located at the periphery of converter front end, and is connected with discharging cooling rotating cylinder.
Further, described air inlet pipe is mixed into trachea by 6-8 root water vapour with air and forms, and is connect by swivel joint
Entering the activation cavity in carbonization-activation integral formula converter, and be distributed on the inner peripheral surface of carbonization-activation integral formula converter, every is mixed
Conjunction air inlet pipe stretches into and offers osculum in the part in activation cavity.
Further, the converter front end of described carbonization-activation integral formula converter is less than described converter rear end.
The processing method of a kind of carbonization-activation integral processing unit (plant), comprises the following steps:
Raw material is entered carbonization-activation integral formula converter by raw material feed bin, and driving device for slow-run drives pushing spiral motion, by raw material
Being pushed to converter rear end by converter front end in carbonization inner tube, raw material, in the process generation carbonization reaction advanced, produces carbonized material, charcoal
Material is entered activation cavity by carbonized material outlet, and the combustible gas that carbonization process is discharged is flammable by the carbonization in carbonization inner tube
Gas portals and enters activation cavity;
Carbonized material relies on the induced effect of self gravitation and fluid along the direction contrary with raw material moving direction in activation cavity
Mobile, the combustible gas that carbonization process is discharged, mix in activation cavity with the air introduced by air inlet pipe and water vapour and send out
Raw combustion reaction heat release, promote the carrying out of the activation process of carbonized material, also heats carbonization inner tube simultaneously, promotes carbonization
The carrying out of process;
In activation cavity, after burning, residual gas introduces gas collection chamber, enters secondary combustion chamber by slype and fires completely
Burning, produced high-temperature hot flue gas enters residual heat boiler for exchanging heat and produces water vapour, described in this water vapour is supplied by air inlet pipe
Activation process, the low-temperature flue gas after heat exchange is attracted to enter air by air-introduced machine after washing cooling tower cooling.
Further, described pushing spiral rotating speed is 5 ~ 10rpm.
Further, the rotating speed of described carbonization-activation integral formula converter is 0.3 ~ 1.0rpm.
Beneficial effect: carbonization-activation integral processing unit (plant) structure of the present invention is compact to design, it is achieved that carbonization and
The integration of the process of activation, plant running is stable, it is not necessary to extraneous heat supply, energy-saving and environment-friendly, and uses this device to process
The activated carbon obtained has preferable quality.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram that the embodiment of the present invention 1 provides.
Reference lists as follows: 1-carbonization-activation integral formula converter;2-raw material feed bin;3-carbonization inner tube;4-discharging is cold
But coil pipe;5-discharging cooling rotating cylinder;6-gas collection chamber;7-secondary combustion chamber;8-waste heat boiler;9-washes cooling tower;10-draws
Blower fan;11-driving device for slow-run;12-carbonization combustible gas portals;13-base;14-actuating device;15-converter driving device;
16-carbonized material exports;17-air stove;18-swivel joint;19-air inlet pipe;20-pushing spiral.
Detailed description of the invention
Below in conjunction with embodiment, technical solution of the present invention is further elaborated.Unreceipted concrete technology or bar in embodiment
Part person, according to the technology described by the document in this area or condition or is carried out according to product description.Agents useful for same or instrument
Device unreceipted production firm person, be can by city available from conventional products.
Embodiment 1
A kind of carbonization-activation integral processing unit (plant), as it is shown in figure 1, include carbonization-activation integral formula converter (1), feed arrangement,
Carbonization inner tube (3), cooling device for discharging, gas collection chamber (6), secondary combustion chamber (7), waste heat boiler (8), washing cooling tower
(9), air-introduced machine (10), base (13), actuating device (14), converter driving device (15), air stove (17), swivel joint (18)
With air inlet pipe (19), wherein feed arrangement includes raw material feed bin (2), driving device for slow-run (11) and pushing spiral (20), wherein
Driving device for slow-run (11) is connected with pushing spiral (20) one end, and the other end of described pushing spiral (20) inserts in described carbonization
Pipe (3), and extend to carbonized material outlet (16), described raw material feed bin (2) is located at pushing spiral (20) top;Discharging cools down
Device is cooled down rotating cylinder (5) by discharging cooling coil (4) and discharging and forms, and wherein discharging cooling coil (4) is located at converter front end
Periphery, and be connected with discharging cooling rotating cylinder (5).
Further, described carbonization-activation integral formula converter (1) has converter front end and converter rear end, described converter front end
Arranging feed arrangement, cooling device for discharging and gas collection chamber (6), described converter rear end is provided with the air stove starting intensification
(17), and in described converter rear end by swivel joint (18) connection air inlet pipe (19), in described carbonization-activation integral formula converter
(1) centrally along axially arranged carbonization inner tube (3), pushing spiral (20), described carbonization inner tube are set in described carbonization inner tube (3)
(3) extend converter rear end and fixed by sealing.
Further, have row's carbonization combustible gas directly over described carbonization inner tube (3) and portal (12), described carbonization inner tube
(3) afterbody has carbonized material outlet (16);One is formed between described carbonization inner tube (3) and carbonization-activation integral formula converter outer cylinder body
Activation cavity, occur in carbonization inner tube (3) pyrolysis gas that carbonization produces from carbonization combustible gas portal (12) enter activation cavity, charcoal
Occur carbonized material that carbonization produces to enter activation cavity from carbonized material outlet (16) in changing inner tube (3), and along raw material advance anti-
Advancing in direction, in activation cavity, priming reaction occurs, generate activated carbon, discharge after cooling device for discharging cools down.
Further, the converter front end of described carbonization-activation integral formula converter (1) is less than described converter rear end, carbonization-activation
In integral type converter (1) rotation process, under gravity, activation cavity in priming reaction solid material can by converter rear end to
Converter front end is moved;Meanwhile, under the indirect action of air-introduced machine (10), activate the gas in cavity by converter rear end to turning
Stokehold end moves, and also can drive the movement of priming reaction solid material.
Further, described gas collection chamber (6) is connected with secondary combustion chamber (7), described secondary combustion chamber (7)
Gas outlet is sequentially connected with waste heat boiler (8), washing cooling tower (9) and air-introduced machine (10).
Further, the outer peripheral face of described carbonization-activation integral formula converter (1) is provided with two actuating devices (14), institute
The both sides, lower section stating carbonization-activation integral formula converter (1) is provided with base (13), and described base (3) supports actuating device (14),
Described actuating device (14) contacts with converter driving device (15), and described converter driving device is motor, works as carbonization-activation
Integral type converter (1) is when rolling, and base (3) and actuating device (14) coordinate realization to enter carbonization-activation integral formula converter (1)
Row is along its location axially and radially.
Further, described air inlet pipe (19) is mixed into trachea by 6-8 root water vapour with air and forms, and is connect by rotation
Head (18) accesses the activation cavity in carbonization-activation integral formula converter, and is distributed in the inner circumferential of carbonization-activation integral formula converter (1)
On face, every is mixed into trachea and stretches into and offer osculum (not shown) in the part in activation cavity, to increase water vapour with empty
Gas diffusion velocity.
This device starts intensification by air stove (17), and the effect of air stove is when device starts, outside by burning
The energy, such as biological particles, make carbonization inner tube and activation cavity be heated to about 500 DEG C by room temperature, the most about 2 is little
Time, the combustible component that at this time raw material carbonization discharges just can continue burning, stops supply external fuel, and system starts self-heating fortune
OK.Now, by raw material feed bin (2), raw material being entered carbonization-activation integral formula converter (1), driving device for slow-run (11) drives pusher
Spiral (20) moves, and pushing spiral rotating speed controls at 5 ~ 10rpm, is pushed to turn by converter front end in carbonization inner tube (3) by raw material
Furnace rear end, raw material, in the process generation carbonization reaction advanced, produces carbonized material, and carbonized material is entered activation by carbonized material outlet (16)
Cavity, the combustible gas that carbonization process is discharged by the carbonization combustible gas in carbonization inner tube portal (12) enter activation cavity.
The rotating speed of converter controls at 0.3 ~ 1.0rpm, carbonized material rely in activation cavity the induced effect of self gravitation and fluid along with
The direction that raw material moving direction is contrary is moved, the combustible gas that carbonization process is discharged, and steams with the water introduced by air inlet pipe (19)
There is combustion reaction heat release in the mixing in activation cavity of vapour and air, promotes the carrying out of the activation process of carbonized material, the most also
Carbonization inner tube (3) is heated, promotes the carrying out of carbonization process.
In activation cavity, after burning, residual gas introduces gas collection chamber (6), enters secondary combustion chamber by slype
(7) burning completely, produced high-temperature hot flue gas enters waste heat boiler (8) heat exchange and produces water vapour, and this water vapour passes through air inlet
Activation process described in pipe (19) supply, the low-temperature flue gas after heat exchange is inhaled by air-introduced machine (10) after washing cooling tower (9) cooling
Ejectment enters air.
Package unit structure is compact to design, it is achieved that the integration of the process of carbonization and activation, device is in running
More stable, it is not necessary to extraneous heat supply, energy-saving and environment-friendly, and the activated carbon using the processing of this device to obtain has preferable product
Matter.
Device of the present invention, its raw material used is not limited solely to wooden material, the Organic substance of other carbon containing, example
As mud, house refuse etc. also can produce carbonized material and activated carbon as the raw material of the present invention.
Embodiment 2
Embodiment 1 is the most exemplary, and those skilled in the art is it will be appreciated that chiller can also be other structure, such as water
Cold chuck and cooling rotating cylinder composition;Carbonization combustible gas portals the position of (12) can also be uniform at the upper side of carbonization inner tube (3)
The arrangement in line directly over distribution rather than carbonization inner tube (3), the portal effect of (12) of carbonization combustible gas is to allow carbonization
The combustible gas that journey is discharged discharges into activation cavity.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art is without departing from the principle of the present invention and objective
In the case of above-described embodiment can be changed within the scope of the invention, revise, replace and modification.