CN109437199A - Carbonizing apparatus, production equipment and production method for activated carbon of phosphoric acid method production - Google Patents
Carbonizing apparatus, production equipment and production method for activated carbon of phosphoric acid method production Download PDFInfo
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- CN109437199A CN109437199A CN201811464016.2A CN201811464016A CN109437199A CN 109437199 A CN109437199 A CN 109437199A CN 201811464016 A CN201811464016 A CN 201811464016A CN 109437199 A CN109437199 A CN 109437199A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 323
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 76
- 238000010000 carbonizing Methods 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 43
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 40
- 239000007789 gas Substances 0.000 claims abstract description 262
- 239000002994 raw material Substances 0.000 claims abstract description 115
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 87
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 87
- 239000001301 oxygen Substances 0.000 claims abstract description 87
- 230000008569 process Effects 0.000 claims abstract description 34
- 238000003763 carbonization Methods 0.000 claims abstract description 32
- 230000008676 import Effects 0.000 claims abstract description 32
- 230000004913 activation Effects 0.000 claims description 116
- 238000001035 drying Methods 0.000 claims description 75
- 229910052799 carbon Inorganic materials 0.000 claims description 49
- 238000007254 oxidation reaction Methods 0.000 claims description 22
- 239000003610 charcoal Substances 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 239000000446 fuel Substances 0.000 abstract description 9
- 238000004134 energy conservation Methods 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 230000004224 protection Effects 0.000 abstract description 5
- 235000013311 vegetables Nutrition 0.000 description 14
- 239000003245 coal Substances 0.000 description 13
- 238000002474 experimental method Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/39—Apparatus for the preparation thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/336—Preparation characterised by gaseous activating agents
Abstract
The invention discloses a kind of carbonizing apparatus for activated carbon of phosphoric acid method production, it include: carbonizing apparatus ontology, inside has carbonization chamber, also has and is arranged on the carbonizing apparatus ontology, and the inlet port and outlet port being connected to the carbonization chamber, a hot wind inlet and hot-blast outlet；Wherein, the carbonizing apparatus further includes at least one secondary hot-air import；Wherein, the secondary hot-air import is located on the carbonization chamber ontology.The above design, by way of adding secondary hot-air import, structure is simple, realizing that the oxygen contained using it, the organic volatile for releasing activated carbon raw material in carbonization process is burnt by being passed through oxygen-containing gas while carrying out reducing control to the charing room temperature from the secondary hot-air import, required heat is carbonized to provide, so it can be reduced needed for the fuel of heat for providing, so as to reach energy conservation and environmental protection, lower-cost effect.The present invention discloses production equipment and production method again.
Description
Technical field
The present invention relates to a kind of active carbon production equipment and technique, in particular to it is a kind of for activated carbon of phosphoric acid method production
Carbonizing apparatus, production equipment and production method.
Background technique
Raw material of the plant as production active carbon are generallyd use in the prior art, for the work of common production active carbon
Skill generally includes: dry, charing and activation step, corresponding active carbon production equipment then include dry drying device (dryer section),
Carbonizing apparatus (charing section) and activation device (activation section).Material enters, from the import of drying device by carbonizing apparatus and work
Makeup postpones to obtain active carbon, and hot-air enters activation device from the hot wind inlet of activation device, and successively disguises by charcoal
It sets and drying device is finally discharged from the air outlet of drying device after being come into full contact with the material in each device, to divide
It Shi Xian not activate, carbonize and dry；Since the temperature of activation, charing and drying has biggish difference, and utilizes and be disposably passed through
Hot wind realize activation, charing and drying respectively, then it is generally necessary to by external means in different devices to the heat being passed through
Air temperature is controlled.
For the production method using vegetable active charcoal raw material, raw material after the drying are passed into carbonizing apparatus
When being carbonized, it usually needs be passed through fuel and air from outside and burn, to reach the charing of raw material.In order to enable combustion
Material can full combustion, then need to be passed through more air, and be passed through more air and can largely reduce and be passed into charcoal
Disguise the temperature for the hot wind set, the requirement so as to cause carbonizing apparatus to higher temperature is not being met.In addition, working as vegetable active
Charcoal raw material can also generate imflammable gas when reaching carbonization temperature, if be passed through without enough oxygen-containing gas,
It can not be made to be fully burned；If the imflammable gas that can make full use of raw material generation is improved by way of burning
Temperature in device can then reduce the amount for the fuel being passed through from outside, to reach energy-saving and environment-friendly purpose.
Chinese patent literature CN105540584B discloses a kind of device of energy-saving Chinese medicine slag rhizome production active carbon, packet
Include the first water scrubber, feed preheater, raw material blending tank, vacuum filter, retort, activation furnace, cooler, acid cleaning device and water
Wash device；First water scrubber is connect with feed preheater.It further include described device further include First Heat Exchanger, the second heat exchanger
And waste heat boiler；The First Heat Exchanger and activation furnace flue gas outlet connect, and connect with retort gas inlet；The charing
Furnace exhaust gas outlet is connect with one end of First Heat Exchanger, and the other end of the First Heat Exchanger and the import of waste heat boiler burning zone connect
It connects；Flue gas one end of the rear gas current divider of the waste heat boiler and the gas inlet of activation furnace connect, the tail of waste heat boiler
One end of the steam inlet of vapor one end and feed preheater of portion's gas diverter connects；One end of second heat exchanger
It is connect with the cooling lower mouth of cooler, the cooling connection suitable for reading of the other end and cooler of the second heat exchanger, the steaming of the second heat exchanger
Vapor outlet is connect with feed preheater." heat exchange " is passed through using the hot wind that activation furnace is discharged First Heat Exchanger in the device
Mode is cooled down to be passed into retort again, to meet requirement of the retort to hot blast temperature.However, using the side of heat exchange
Although formula can satisfy the requirement in retort to hot blast temperature, but structure is complicated and the heat exchange of higher cost due to being additionally arranged
Device, and do not make full use of the imflammable gas generated in carbonization process to improve the temperature inside carbonizing apparatus.
Summary of the invention
The technical problem to be solved in the present invention is that in the prior art for activated carbon of phosphoric acid method production carbonizing apparatus its
Structure is complicated, at high cost and be not energy-saving and environment-friendly, to propose that a kind of structure is simple, cost is relatively low, and energy-saving and environment-friendly is used for
The carbonizing apparatus of activated carbon of phosphoric acid method production.
The present invention provides a kind of carbonizing apparatus for activated carbon of phosphoric acid method production, comprising: carbonizing apparatus ontology, it is internal
With carbonization chamber, also has and is arranged on the carbonizing apparatus ontology, and the inlet port and outlet port being connected to the carbonization chamber,
Hot wind inlet and hot-blast outlet, wherein further include at least one secondary hot-air import；Wherein, the secondary hot-air import
It can be located on the carbonization chamber ontology.
The above-mentioned carbonizing apparatus for activated carbon of phosphoric acid method production, wherein the discharge port of the carbonizing apparatus with
A hot wind inlet for the carbonizing apparatus is an import jointly；The feed inlet and the charcoal of the carbonizing apparatus
Disguise the hot-blast outlet set is one outlet jointly.
Invention further provides a kind of active carbon production equipments of phosphoric acid method, comprising: dryer section, for that will be mixed with phosphoric acid
Activated carbon raw material afterwards is dried, and has feed inlet and hot-blast outlet；Section is carbonized, positioned at the downstream of the dryer section, and
It is connected to inside the dryer section, for being carbonized to the activated carbon raw material from the dryer section；Activation section has discharging
Mouth and a hot wind inlet positioned at the downstream of the charing section, and are connected to, for from the charcoal with the charing intersegmental part
The active carbon charing raw material for changing section is activated；The charing section includes carbonizing apparatus, and the carbonizing apparatus includes: charing
Device noumenon, inside have carbonization chamber, also have and be arranged on the carbonizing apparatus ontology；At least one secondary hot-air import,
And the secondary hot-air import is located on the carbonization chamber ontology.
The active carbon production equipment of above-mentioned phosphoric acid method, wherein the dryer section, the charing section and the activation section are
The rotary kiln for being connected with each other and rotating synchronously, and the rotary kiln and horizontal plane are at an acute angle；Activated carbon raw material in the rotary kiln
It is moved under the rotation of rotary kiln and the double action of self gravity from dryer section to activation section.
Invention further provides a kind of method for prodn. of activated carbon using above-mentioned active carbon production equipment, wherein including with
Lower step:
A. activated carbon raw material is carried out low temperature by the dry-heat air from charing section in dryer section to dry at a slow speed, and will used
The dryer section is discharged as tail gas in the dry-heat air after drying；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying, wherein it is organic that the activated carbon raw material contacts generation with the hot gas
Volatile matter, the organic volatile are contacted in charing section with the oxygen-containing gas, and oxidation reaction occurs and releases heat
Amount, thus the heat needed for being provided to charing；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Above-mentioned method for prodn. of activated carbon, wherein the temperature for being passed into the hot gas of the activation section is that 450-700 is Celsius
Degree；The hot gas temperature for being passed into the charing section is activation temperature, the hot gas and the oxygen-containing gas and is located at described
The activated carbon raw material after drying in charing section is contacted, and the indoor temperature control of the charing of the charing section is existed
150-400 degrees Celsius, so that the activated carbon raw material generates organic volatile within this temperature range, so that being produced
Oxidation reaction, heat needed for release charing occur at such a temperature for raw organic volatile and oxygen-containing gas.
Above-mentioned method for prodn. of activated carbon, wherein the oxygen-containing gas temperature is 120-150 degrees Celsius.
Above-mentioned method for prodn. of activated carbon, wherein the temperature of dry-heat air caused by the charing section is taken the photograph for 150-400
Family name's degree；The dry-heat air is contacted with the activated carbon raw material to be dried in dryer section, and the temperature in dryer section is controlled in 20-
150 degrees Celsius, to realize that the low temperature is dried at a slow speed.
Above-mentioned method for prodn. of activated carbon, wherein the low temperature dry at a slow speed when it is 1-8 hours a length of.
Above-mentioned method for prodn. of activated carbon, wherein when 0.3-1 hours a length of, and the duration of the activation of the charing
It is 0.3-1 hours.
The embodiment of the present invention has the following technical effect that compared with the existing technology
1, the carbonizing apparatus for activated carbon of phosphoric acid method production that inventive embodiments provide, comprising: carbonizing apparatus ontology, it is interior
Portion has carbonization chamber, also has and is arranged on the carbonizing apparatus ontology, and the feed inlet being connected to the carbonization chamber and discharging
Mouthful, a hot wind inlet and hot-blast outlet；It further include at least one secondary hot-air import；Wherein, secondary hot-air import position
In on the carbonization chamber ontology.The above design, by way of adding secondary hot-air import, structure is simple, realize by from
The secondary hot-air import is passed through oxygen-containing gas while carrying out reducing control to the charing room temperature, is contained using it
Oxygen, the organic volatile for releasing activated carbon raw material in carbonization process burn, and carbonize required heat to provide
Amount can so be reduced needed for the fuel of heat for providing, and two, which carry out exhaust emissions organic concentration, declines to a great extent, thus
It can achieve energy conservation and environmental protection, lower-cost effect；In contrast, the charcoal in the activated carbon of phosphoric acid method production equipment of the prior art
Makeup, which sets not have from external, provides the structure of oxygen-containing gas, thus have no idea well using activated carbon raw material with have
Generated organic volatile carbonizes required heat to compensate when the charing of certain temperature is contacted with hot gas, therefore, still
It is passed through the more hot gas for charing, this results in needing to consume more fuel to provide thermal energy, and then causes not
Enough energy conservation and environmental protections.
2. a hot wind inlet for the feed inlet of the carbonizing apparatus and the carbonizing apparatus is one jointly
Import；The discharge port of the carbonizing apparatus and the hot-blast outlet of the carbonizing apparatus are one outlet jointly.More than
In addition design is without opening up a hot wind inlet and outlet
3, the active carbon production equipment of the phosphoric acid method of inventive embodiments, comprising: dryer section, being used for will be mixed with phosphoric acid
Activated carbon raw material is dried, and has feed inlet and hot-blast outlet；Carbonize section, positioned at the downstream of the dryer section, and with institute
Connection inside dryer section is stated, for carbonizing to the activated carbon raw material from the dryer section；Activation section, have discharge port and
Hot wind inlet positioned at the downstream of the charing section, and is connected to, for from the charing section with the charing intersegmental part
Active carbon charing raw material be activated；The charing section includes carbonizing apparatus, and the carbonizing apparatus includes: carbonizing apparatus
Ontology, inside have carbonization chamber, also have and be arranged on the carbonizing apparatus ontology；At least one secondary hot-air import, and institute
Secondary hot-air import is stated to be located on the carbonization chamber ontology.The above design, by way of adding the secondary hot-air air inlet, no
But structure is simple, and is carried out by being passed through oxygen-containing gas from the secondary hot-air import to the charing room temperature realizing
While reducing control, the oxygen contained using it, the organic volatile hair for releasing activated carbon raw material in carbonization process
Raw burning carbonizes required heat to provide, can so reduce needed for the fuel of heat for providing, two carry out tail gas
Discharge organic concentration declines to a great extent, so as to reach energy conservation and environmental protection, lower-cost effect；In contrast, the prior art
Activated carbon of phosphoric acid method production equipment in carbonizing apparatus do not have from external the structure of oxygen-containing gas be provided, to have no idea
Well using activated carbon raw material when being contacted with the charing with certain temperature with hot gas generated organic volatile come
Therefore heat needed for compensation charing will still be passed through the more hot gas for charing, this results in needing to consume more
Fuel thermal energy is provided, and then cause to be not energy-saving and environment-friendly.
4, the dryer section of the embodiment of the present invention, the charing section and the activation section are to be connected with each other and rotate synchronously
Rotary kiln, and the rotary kiln and horizontal plane are at an acute angle；Activated carbon raw material in the rotary kiln is in the rotation of rotary kiln and itself
It is moved under the double action of gravity from dryer section to activation section.The above design, take full advantage of rotary kiln rotation and material from
The double action of weight.
5, the method for prodn. of activated carbon of the embodiment of the present invention, wherein the following steps are included: a. is by activated carbon raw material in drying
Section carries out low temperature by the dry-heat air from charing section and dries at a slow speed, and will be used for the dry-heat air after drying as tail
The dryer section is discharged in gas；B. the activated carbon raw material after drying is carbonized in charing section, wherein by by from work
Change the hot gas of section and be passed through to the oxygen-containing gas of charing section and realizes that the activated carbon raw material to charing section carries out charing process,
And it dry-heat air will be obtained is drained into the dryer section being used for drying；The activated carbon raw material and the hot gas and described oxygen-containing
The mixed gas contact of gas generates organic volatile, and the oxygen in the organic volatile and the oxygen-containing gas is in charing section
In contacted, and occur oxidation reaction and release heat, thus provide charing needed for heat；C. by the work after charing
Property carbon feedstock in the activation section and the hot gas for being passed into the activation section contact realization activation, and by the hot gas
The charing section is drained into for carbonizing.The above production method is being realized by being passed through oxygen-containing gas to institute from the air inlet
State charing room temperature carry out reduce control while, the oxygen contained using it discharges activated carbon raw material in carbonization process
Organic volatile out occurs oxidation reaction and releases heat, to provide heat required for charing, so for providing
It can be reduced needed for the fuel of heat, two, which carry out exhaust emissions organic concentration, declines to a great extent, so as to reach energy conservation and environmental protection, at
This lower effect；In contrast, the carbonizing apparatus in the activated carbon of phosphoric acid method production equipment of the prior art does not have from outside
The structure of oxygen-containing gas is provided, to have no idea well using activated carbon raw material hot with the charing with certain temperature
Generated organic volatile is when gas contacts come heat needed for compensating charing, therefore, to be still passed through more for charcoal
The hot gas of change, this results in needing to consume more fuel to provide thermal energy, and then causes to be not energy-saving and environment-friendly.
5, the embodiment of the present invention, wherein the temperature for being passed into the hot gas of the activation section is 450-700 degrees Celsius；
The hot gas temperature for being passed into the charing section is activation temperature, the hot gas and the oxygen-containing gas be located at the charing
The activated carbon raw material after drying in section is contacted, and the indoor temperature of charing of the charing section is controlled in 150-
400 degrees Celsius, so that the activated carbon raw material generates organic volatile within this temperature range, so that generated
Organic volatile burns at such a temperature with oxygen-containing gas, heat needed for release charing.Select above-mentioned temperature range
Hot gas is passed into activation section and charing section, and can guarantee under the premise of guaranteeing activation in conjunction with the oxygen-containing gas being passed through
The temperature of charing section can achieve required temperature, and activated carbon raw material to be carbonized can be enable to release at this temperature and waved
Send out object, and make its occur with oxygen-containing gas ining conjunction with oxidation reaction and releasing heat, be passed through oxygen-containing gas help to create it is organic
Volatile matter can be contacted with sufficient oxygen, and oxidation reaction is made to carry out more abundant, and release heat is more.
6, the embodiment of the present invention, wherein the oxygen-containing gas temperature is 120-150 degrees Celsius, and facilitating will be from activation
The temperature that section is transferred to the hot gas of charing section is reduced to carbonization temperature.
Detailed description of the invention
Fig. 1 are as follows: the signal of one of embodiment of the carbonizing apparatus for activated carbon of phosphoric acid method production of the invention
Figure；
Fig. 2 are as follows: the schematic diagram of one of embodiment of the active carbon production equipment for phosphoric acid method of the invention；
Appended drawing reference:
1- activation section, 2- carbonizing apparatus ontology, 3- dryer section, 4- carbonization chamber, 5- feed inlet, 6- discharge port, 7- hot wind go out
Mouthful, hot wind inlet of 8-, 9- secondary hot-air import.
Specific embodiment
Embodiment 1
As shown in Figure 1, the present invention provides a kind of carbonizing apparatus for activated carbon of phosphoric acid method production, comprising: charcoal makeup
Ontology 2 is set, inside has carbonization chamber 4, also has and be arranged on the carbonizing apparatus ontology 2, and be connected to the carbonization chamber
Feed inlet 12 and discharge port 11, a hot wind inlet and hot-blast outlet；It further include a secondary hot-air import 9；Also may include
Multiple secondary hot-air imports, wherein the secondary hot-air import is located on the carbonization chamber ontology.In the present embodiment, described
The discharge port of carbonizing apparatus and a hot wind inlet for the carbonizing apparatus are an import jointly；The charcoal makeup
The hot-blast outlet of the feed inlet and the carbonizing apparatus set is one outlet jointly；As another embodiment,
The hot wind inlet setting (is not marked at the feed inlet herein in the discharge outlet, the hot-blast outlet setting
Out).
Embodiment 2
As shown in Fig. 2, invention further provides a kind of active carbon production equipments for phosphoric acid method, comprising: dryer section 3,
For that will be dried with the mixed activated carbon raw material of phosphoric acid, and there is feed inlet 5 and hot-blast outlet 7；Section 20 is carbonized, is located at
The downstream of the dryer section 1, and be connected to inside the dryer section 3, for the activated carbon raw material from the dryer section 1 into
Row charing；Activation section 1, have discharge port 6 and a hot wind inlet 8, positioned at it is described charing section 20 downstream, and with the charing
20 inside connection of section, for being activated to the active carbon charing raw material from the charing section 20；Wherein, the charing
Section 20 includes carbonizing apparatus, and the carbonizing apparatus includes: carbonizing apparatus ontology 2, and inside has carbonization chamber 4, also there is setting to exist
On the carbonizing apparatus ontology；One secondary hot-air import 9, alternatively embodiment, can have multiple second heats
Wind inlet, and the secondary hot-air import 9 is located on the carbonization chamber ontology 2.
The dryer section 3, the charing section 20 and the activation section 1 are preferably the rotary kiln for being interconnected and rotating synchronously,
And the rotary kiln and horizontal plane are at an acute angle；Activated carbon raw material in the rotary kiln is in the rotation of rotary kiln and pair of self gravity
Recast moves under using from dryer section 3 to activation section 1.
The course of work of the active carbon production equipment is as follows:
It will be fed from the feed inlet the dryer section with the mixed activated carbon raw material of phosphoric acid by spiral conveyer, the activity
Carbon feedstock is contacted in dryer section with the dry-heat air from charing section, is carried out low temperature and is dried at a slow speed, for dry-heat air after drying
The dryer section is discharged from hot-blast outlet as tail gas.The rotation and work of the activated carbon raw material after drying in the rotary kiln
Property carbon feedstock self weight double action under, be sent to the charing section, and carbonized in the charing section, wherein by
The external hot gas for being passed through activation section by a hot wind inlet is passed to the charing section by activation section, and logical from outside
Cross secondary hot-air import be passed through to charing section oxygen-containing gas realize jointly to charing section activated carbon raw material carry out charing process,
Acquired dry-heat air is discharged into the dryer section for drying, wherein the activated carbon raw material and the hot gas and
The mixed gas contact of the oxygen-containing gas generates organic volatile, the oxygen in the organic volatile and the oxygen-containing gas
It is contacted, and is burnt in charing section, to provide heat needed for charing.The activated carbon raw material after charing exists
It is transported to the activation section under the double action of the rotation of rotary kiln and activated carbon raw material self weight, and in the activation section and logical
The hot gas entered to the activation section carries out contact realization activation, is discharged in the charing section and uses for the hot gas after activating
In charing, the active carbon that obtains after overactivation is from discharge port output.
Embodiment 3
Invention further provides a kind of Activated Carbon Production sides using active carbon production equipment described in above-described embodiment 2
Method, which comprises the following steps:
A. activated carbon raw material is that dry section is dried at a slow speed by carrying out low temperature from the dry-heat air of charing section, and will used
The dryer section is discharged as tail gas in the dry-heat air after drying；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying, wherein the activated carbon raw material and the hot gas and described oxygenous
The mixed gas contact of body generates organic volatile, and the oxygen in the organic volatile and the oxygen-containing gas is in charing section
It is contacted, and oxidation reaction occurs and releases heat, to provide heat needed for charing；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Above-mentioned method for prodn. of activated carbon, wherein the temperature for being passed into the hot gas of the activation section is that 450-700 is Celsius
Degree；The hot gas temperature for being passed into the charing section can be controlled in 200-400 degrees Celsius, the hot gas and the oxygen-containing gas
It is contacted with the activated carbon raw material after the drying being located in the charing section, by the indoor temperature of charing of the charing section
Degree control is at 150-400 degrees Celsius, so that the activated carbon raw material generates organic volatile within this temperature range, in turn
So that oxidation reaction, heat needed for release charing occur at such a temperature for generated organic volatile and oxygen-containing gas.Its
In, the oxygen-containing gas temperature preferably can control at 120-150 degrees Celsius.
Above-mentioned method for prodn. of activated carbon, wherein the temperature of the dry-heat air caused by the charing section is 150-
400 degrees Celsius；The dry-heat air is contacted with the activated carbon raw material to be dried in dryer section, and the temperature in dryer section is controlled
At 20-150 degrees Celsius, to realize that the low temperature is dried at a slow speed.Wherein, the low temperature dry at a slow speed when it is 1-8 hours a length of.
In addition, the charing when it is 0.3-1 hours a length of.The activation when it is 0.3-1 hours a length of.
Preferably, the temperature for being passed into the hot gas of the activation section is 450-650 degrees Celsius.
The skill of the method for prodn. of activated carbon of the embodiment of the present invention is embodied below by way of different experimental example and data comparison
Art effect:
Experimental example 1
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 450 degrees Celsius；It is passed into the hot gas of the charing section
450 degrees Celsius of temperature, the hot gas is contacted with the activated carbon raw material after the drying being located in the charing section,
The indoor temperature of charing of the charing section is controlled at 150 degrees Celsius.In addition, charing when it is 0.3 hour a length of.The activation
When it is 0.3 hour a length of.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 7.25 tons.
Experimental example 2
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying, wherein the activated carbon raw material and the hot gas and described oxygenous
The mixed gas contact of body generates organic volatile, and the oxygen in the organic volatile and the oxygen-containing gas is in charing section
It is contacted, and oxidation reaction occurs, to provide heat needed for charing；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 450 degrees Celsius；It is passed into the hot gas of the charing section
Temperature is 450 degrees Celsius, the work after the hot gas and the oxygen-containing gas and the drying being located in the charing section
Property carbon feedstock contacted, the indoor temperature of charing of the charing section is controlled at 150 degrees Celsius, so that the activity
Carbon feedstock generates organic volatile within this temperature range, so that generated organic volatile and oxygen-containing gas are in the temperature
Degree is lower to occur oxidation reaction, heat needed for release charing, and the oxygen-containing gas temperature being passed through is 120 degrees Celsius.In addition,
Charing when it is 0.3 hour a length of.The activation when it is 0.3 hour a length of.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 5.2 tons.
Experimental example 3
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 500 degrees Celsius；It is passed into the hot gas of the charing section
500 degrees Celsius of temperature, the hot gas is contacted with the activated carbon raw material after the drying being located in the charing section,
The indoor temperature of charing of the charing section is controlled at 200 degrees Celsius.In addition, charing when it is 0.5 hour a length of.The activation
When it is 0.5 hour a length of.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 7.4 tons.
Experimental example 4
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying, wherein the activated carbon raw material and the hot gas and described oxygenous
The mixed gas contact of body generates organic volatile, and the oxygen in the organic volatile and the oxygen-containing gas is in charing section
It is contacted, and oxidation reaction occurs, to provide heat needed for charing；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 500 degrees Celsius；It is passed into the hot gas of the charing section
Temperature is 500 degrees Celsius, the work after the hot gas and the oxygen-containing gas and the drying being located in the charing section
Property carbon feedstock contacted, the indoor temperature of charing of the charing section is controlled at 200 degrees Celsius, so that the activity
Carbon feedstock generates organic volatile within this temperature range, so that generated organic volatile and oxygen-containing gas are in the temperature
Degree is lower to occur oxidation reaction, heat needed for release charing, and the oxygen-containing gas temperature being passed through is 130 degrees Celsius.In addition,
Charing when it is 0.5 hour a length of.The activation when it is 0.5 hour a length of.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 5.3 tons.
Experimental example 5
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 550 degrees Celsius；It is passed into the hot gas of the charing section
550 degrees Celsius of temperature, the hot gas is contacted with the activated carbon raw material after the drying being located in the charing section,
The indoor temperature of charing of the charing section is controlled at 250 degrees Celsius.In addition, charing when it is 0.6 hour a length of.The activation
When it is 0.6 hour a length of.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 7.3 tons.
Experimental example 6
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying, wherein the activated carbon raw material and the hot gas and described oxygenous
The mixed gas contact of body generates organic volatile, and the oxygen in the organic volatile and the oxygen-containing gas is in charing section
It is contacted, and oxidation reaction occurs, to provide heat needed for charing；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 550 degrees Celsius；It is passed into the hot gas of the charing section
Temperature is 550 degrees Celsius, the work after the hot gas and the oxygen-containing gas and the drying being located in the charing section
Property carbon feedstock contacted, the indoor temperature of charing of the charing section is controlled at 250 degrees Celsius, so that the activity
Carbon feedstock generates organic volatile within this temperature range, so that generated organic volatile and oxygen-containing gas are in the temperature
Degree is lower to occur oxidation reaction, heat needed for release charing, and the oxygen-containing gas temperature being passed through is 140 degrees Celsius.In addition,
Charing when it is 0.6 hour a length of.The activation when it is 0.6 hour a length of.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 5.2 tons.
Experimental example 7
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 600 degrees Celsius；It is passed into the hot gas of the charing section
600 degrees Celsius of temperature, the hot gas is contacted with the activated carbon raw material after the drying being located in the charing section,
The indoor temperature of charing of the charing section is controlled at 300 degrees Celsius.In addition, charing when it is 0.8 hour a length of.The activation
When it is 0.8 hour a length of.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 7.5 tons.
Experimental example 8
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying, wherein the activated carbon raw material and the hot gas and described oxygenous
The mixed gas contact of body generates organic volatile, and the oxygen in the organic volatile and the oxygen-containing gas is in charing section
It is contacted, and oxidation reaction occurs, to provide heat needed for charing；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 600 degrees Celsius；It is passed into the hot gas of the charing section
Temperature is 600 degrees Celsius, the work after the hot gas and the oxygen-containing gas and the drying being located in the charing section
Property carbon feedstock contacted, the indoor temperature of charing of the charing section is controlled at 300 degrees Celsius, so that the activity
Carbon feedstock generates organic volatile within this temperature range, so that generated organic volatile and oxygen-containing gas are in the temperature
Degree is lower to occur oxidation reaction, heat needed for release charing, and the oxygen-containing gas temperature being passed through is 145 degrees Celsius.In addition,
Charing when it is 0.8 hour a length of.The activation when it is 0.8 hour a length of.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 5.2 tons.
Experimental example 9
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 650 degrees Celsius；It is passed into the hot gas of the charing section
650 degrees Celsius of temperature, the hot gas is contacted with the activated carbon raw material after the drying being located in the charing section,
The indoor temperature of charing of the charing section is controlled at 350 degrees Celsius.In addition, charing when it is 1 hour a length of.The activation
Shi Changwei 1 hour.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 7.2 tons.
Experimental example 10
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying, wherein the activated carbon raw material and the hot gas and described oxygenous
The mixed gas contact of body generates organic volatile, and the oxygen in the organic volatile and the oxygen-containing gas is in charing section
It is contacted, and oxidation reaction occurs, to provide heat needed for charing；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 650 degrees Celsius；It is passed into the hot gas of the charing section
Temperature is 650 degrees Celsius, the work after the hot gas and the oxygen-containing gas and the drying being located in the charing section
Property carbon feedstock contacted, the indoor temperature of charing of the charing section is controlled at 350 degrees Celsius, so that the activity
Carbon feedstock generates organic volatile within this temperature range, so that generated organic volatile and oxygen-containing gas are in the temperature
Degree is lower to occur oxidation reaction, heat needed for release charing, and the oxygen-containing gas temperature being passed through is 150 degrees Celsius.In addition,
Charing when it is 1 hour a length of.The activation when it is 1 hour a length of.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 5.3 tons.
Experimental example 11
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 700 degrees Celsius；It is passed into the hot gas of the charing section
700 degrees Celsius of temperature, the hot gas is contacted with the activated carbon raw material after the drying being located in the charing section,
The indoor temperature of charing of the charing section is controlled at 400 degrees Celsius.In addition, charing when it is 1 hour a length of.The activation
Shi Changwei 1 hour.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 7.0 tons.
Experimental example 12
Prepare 25 tons of vegetable active carbon feedstocks, after being sufficiently mixed with phosphoric acid, execute following experimental procedure:
A. low temperature will be carried out by the dry-heat air that the temperature from charing section is in dryer section with mixture to dry at a slow speed,
And the dry-heat air after drying will be used for as tail gas, the dryer section is discharged；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the heat of origin self-activation section
Gas carries out charing process to the activated carbon raw material of charing section with the oxygen-containing gas realization being passed through to charing section, and will obtain
Dry-heat air is drained into the dryer section for drying, wherein the activated carbon raw material and the hot gas and described oxygenous
The mixed gas contact of body generates organic volatile, and the oxygen in the organic volatile and the oxygen-containing gas is in charing section
It is contacted, and oxidation reaction occurs, to provide heat needed for charing；
C. the activated carbon raw material after charing is carried out in the activation section with the hot gas for being passed into the activation section
Activation is realized in contact, and the hot gas is drained into the charing section and is used to carbonize.
Wherein, the temperature for being passed into the hot gas of the activation section is 700 degrees Celsius；It is passed into the hot gas of the charing section
Temperature is 700 degrees Celsius, the work after the hot gas and the oxygen-containing gas and the drying being located in the charing section
Property carbon feedstock contacted, the indoor temperature of charing of the charing section is controlled at 400 degrees Celsius, so that the activity
Carbon feedstock generates organic volatile within this temperature range, so that generated organic volatile and oxygen-containing gas are in the temperature
Degree is lower to occur oxidation reaction, heat needed for release charing, and the oxygen-containing gas temperature being passed through is 150 degrees Celsius.In addition,
Charing when it is 1 hour a length of.The activation when it is 1 hour a length of.
In order to complete above-mentioned technical process, equipment is generated using external hot gas to provide hot gas, wherein external hot gas
The coal consumption that body generates equipment is 5.3 tons.
The data related data of above-described embodiment, i.e., the variation of coal consumption is as shown in table 1 below under different condition.
Table 1:
Claims (10)
1. the carbonizing apparatus for activated carbon of phosphoric acid method production, comprising:
Carbonizing apparatus ontology, inside have carbonization chamber, also have be arranged on the carbonizing apparatus ontology, and with the carbonization chamber
The inlet port and outlet port of connection, a hot wind inlet and hot-blast outlet；
It is characterized by also including at least one secondary hot-air imports；Wherein, the secondary hot-air import is located at the carbonization chamber
On ontology.
2. the carbonizing apparatus according to claim 1 for activated carbon of phosphoric acid method production, it is characterised in that:
The discharge port of the carbonizing apparatus and a hot wind inlet for the carbonizing apparatus are an import jointly；Institute
The hot-blast outlet of the feed inlet and the carbonizing apparatus of stating carbonizing apparatus is one outlet jointly.
3. a kind of active carbon production equipment of phosphoric acid method, comprising:
Dryer section for that will be dried with the mixed activated carbon raw material of phosphoric acid, and has feed inlet and hot-blast outlet；
Section is carbonized, is connected to positioned at the downstream of the dryer section, and with the dryer section inside, for from the dryer section
Activated carbon raw material is carbonized；
Activation section has discharge port and a hot wind inlet, connects positioned at the downstream of the charing section, and with the charing intersegmental part
It is logical, for being activated to the active carbon charing raw material from the charing section；
It is characterized in that, the charing section includes carbonizing apparatus, the carbonizing apparatus includes: carbonizing apparatus ontology, and inside has
Carbonization chamber also has and is arranged on the carbonizing apparatus ontology；At least one secondary hot-air import, and the secondary hot-air import
On the carbonization chamber ontology.
4. the active carbon production equipment of phosphoric acid method according to claim 3, which is characterized in that the dryer section, the charcoal
Change section and the activation section is the rotary kiln for being interconnected and rotating synchronously, and the rotary kiln and horizontal plane are at an acute angle；Positioned at described
Activated carbon raw material in rotary kiln moves under the rotation of rotary kiln and the double action of self gravity from dryer section to activation section.
5. a kind of method for prodn. of activated carbon using active carbon production equipment described in the claims 3 or 4, feature exist
In, comprising the following steps:
A. activated carbon raw material is carried out low temperature by the dry-heat air from charing section in dryer section to dry at a slow speed, and will be used to do
The dryer section is discharged as tail gas in the dry-heat air after dry；
B. the activated carbon raw material after drying is carbonized in charing section, wherein pass through the hot gas of origin self-activation section
It realizes that the activated carbon raw material to charing section carries out charing process with being passed through to the oxygen-containing gas of charing section, and drying will be obtained
Hot wind is drained into the dryer section for drying, wherein the activated carbon raw material and the hot gas and the oxygen-containing gas
Mixed gas contact generates organic volatile, and the organic volatile carries out in charing section with the oxygen in the oxygen-containing gas
Contact, and oxidation reaction occurs and releases heat, thus heat needed for providing charing to charing；
C. the activated carbon raw material after charing is contacted in the activation section with the hot gas for being passed into the activation section
It realizes activation, and the hot gas is drained into the charing section and is used to carbonize.
6. method for prodn. of activated carbon according to claim 5, which is characterized in that be passed into the hot gas of the activation section
Temperature is 450-700 degrees Celsius；The hot gas temperature for being passed into the charing section is activation temperature, the hot gas and described is contained
Carrier of oxygen is contacted with the activated carbon raw material after the drying being located in the charing section, by the carbonization chamber of the charing section
Interior temperature is controlled at 150-400 degrees Celsius, so that the activated carbon raw material generates organic volatile within this temperature range
Object, so that oxidation reaction occurs at such a temperature for generated organic volatile and oxygen-containing gas, needed for release charing
Heat.
7. method for prodn. of activated carbon according to claim 6, which is characterized in that the oxygen-containing gas temperature is 120-150
Degree Celsius.
8. method for prodn. of activated carbon according to claim 6 or 7, which is characterized in that dry caused by the charing section
The temperature of hot wind is 150-400 degrees Celsius；The dry-heat air is contacted with the activated carbon raw material to be dried in dryer section, will be done
Temperature in dry section is controlled at 20-150 degrees Celsius, to realize that the low temperature is dried at a slow speed.
9. method for prodn. of activated carbon according to claim 8, which is characterized in that the when a length of 1- that the low temperature is dried at a slow speed
8 hours.
10. method for prodn. of activated carbon according to claim 9, which is characterized in that when a length of 0.3-1 of the charing is small
When, and the activation when it is 0.3-1 hours a length of.
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| CN106044767A (en) * | 2016-08-16 | 2016-10-26 | 厦门中科城环新能源有限公司 | Carbonization and activation integrated processing device and processing method thereof |
| CN206266226U (en) * | 2016-11-07 | 2017-06-20 | 洪阳冶化工程科技有限公司 | For rotary hearth furnace system prepared by active carbon from coal |
| CN108203093A (en) * | 2015-11-27 | 2018-06-26 | 湖南鼎玖能源环境科技有限公司 | Charing and activation equipment and charing and activating process |
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| CN2675675Y (en) * | 2004-02-17 | 2005-02-02 | 沈为清 | Cleaning type heat reclamation multifunctional coking furnace |
| US20100098615A1 (en) * | 2006-10-09 | 2010-04-22 | Stephen Robert Tennison | Carbonising and/or Activating Carbonaceous Material |
| CN102660306A (en) * | 2012-05-09 | 2012-09-12 | 李海明 | Reflux rotating household garbage pyrolysis carbonization furnace system and garbage disposal process |
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| CN106044767A (en) * | 2016-08-16 | 2016-10-26 | 厦门中科城环新能源有限公司 | Carbonization and activation integrated processing device and processing method thereof |
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