CN106378120A - Regeneration system and regeneration method of activated carbon - Google Patents
Regeneration system and regeneration method of activated carbon Download PDFInfo
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- CN106378120A CN106378120A CN201610803600.0A CN201610803600A CN106378120A CN 106378120 A CN106378120 A CN 106378120A CN 201610803600 A CN201610803600 A CN 201610803600A CN 106378120 A CN106378120 A CN 106378120A
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- active carbon
- burning
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- revived
- drying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Environmental & Geological Engineering (AREA)
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
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Abstract
The invention provides a regeneration system of activated carbon. The regeneration system comprises N (N being greater than or equal to 2) groups of regeneration equipment, wherein each group of regeneration equipment comprises a feeding structure, a drying structure, a regenerating structure, a cooling structure and a burning structure; the gas outlet end of the burning structure of the first group of regeneration equipment is communicated with a second temperature area of the regenerating structure of the N-th group of regeneration equipment, and the outlet end of the burning structure of the N-th group of regeneration equipment is communicated with a second temperature area of the regenerating structure of the (N-1)-th group of regeneration equipment; a part of gas sufficiently burnt in each burning structure is fed into the corresponding drying structure to carry out drying treatment on waste activated carbon, the other part of gas taken as activating gas is fed into another regenerating structure to carry out activated regeneration on the waste activated carbon in the corresponding regenerating structure, and the gas burnt in the burning structure is discharged by the regenerating structure in the corresponding group of regeneration equipment; in the regeneration system, tail gas treatment is not needed, gas in the regeneration system is constantly recycled, the energy consumption cost is reduced, and the problems of gas source shortage and tail gas treatment difficulty are solved.
Description
Technical field
The present invention relates to regenerating active carbon field, more particularly to a kind of regenerating active carbon system and regenerating active carbon side
Method.
Background technology
Activated carbon is because having highly developed pore structure and suitable specific surface area, nonpoisonous and tasteless, and organic substance is had
Color molecule has very strong adsorption capacity, often by as a kind of excellent adsorbent, is widely used in medicine, metallurgy, food, change
The every field such as work, military affairs and environmental protection.In recent years, with the raising of people's social environment consciousness, activated carbon is protected in environment
The demand of shield aspect is increasing, is widely used in urban water supply purification, pernicious gas absorption, drinking water purification and industry
Among Sewage advanced treatment.However, because activated carbon is on the high side, the resources of production are more and more in short supply, if by use after useless work
Property charcoal takes the modes such as burning, landfill to dispose, and will certainly cause the serious waste of resource, also bring to environment certain simultaneously
Impact, significantly limit the range of application of activated carbon.Therefore, the regeneration of waste active carbon has good development trend.
Regenerating active carbon, refers to do not destroying activated carbon original structure with methods such as fortune physics, chemistry or biochemistries
Under the premise of, charcoal deactivated after adsorption saturation is processed, recovers its absorption property, reach reusable purpose.Live
The renovation process of property charcoal has many kinds, for example：Thermal regeneration method, bio-regeneration method, wet oxidation process, solvent regeneration process, electrification
Learn method of reproduction, catalytic wet air oxidation etc..Wherein, thermal regeneration method is that application is most, industrial regenerating active carbon the most ripe
Method.Activated carbon, in regenerative process, according to the change being heated to organic matter during different temperatures, is generally divided into dry, pyrocarbon
Change and activation three phases；In drying stage, the main volatilizable composition removing on activated carbon；High temperature carbonization stage is to make activity
The a part of organic matter boiling of absorption on charcoal, vaporization desorption, a part of organic matter is decomposed reaction, generates small molecule hydrocarbon and is desorbed
Out, residual components are stayed in activated carbon hole and are become " fixed carbon ", and in this stage, temperature is up to 800～900 °C, is
Avoid the oxidation of activated carbon, typically vacuumize or inert atmosphere under carry out；In ensuing activation stage, logical toward in reactor
Enter the gases such as CO2, CO, H2 or vapor, to clear up activated carbon capillary so as to recover absorption property.
Chinese patent literature CN105289563A discloses a kind of Regenevating Waste Activated Carbon processing method, and it includes storing, in advance
Process, heating power is produced, roasting, post processing and packaging and vent gas treatment step；But it at least has the following disadvantages：Tunnel
The flue gas that road kiln blade trailing cooling area produces needs to carry out burning, cools down, adsorbs, dedusting, soda acid are processed etc. a series of process after
Could be discharged by chimney, this tail gas treatment process is complicated and increased overall energy consumption cost.
In summary, now need to provide the regenerating active carbon system that a kind of vent gas treatment is simple and energy consumption cost is low, further
A kind of regeneration method of active carbon is provided.
Content of the invention
Therefore, problem to be solved by this invention is at the tail gas of Regenevating Waste Activated Carbon process of the prior art
Manage complex process and increased overall energy consumption cost；And then provide the activated carbon that a kind of vent gas treatment is simple and energy consumption cost is low again
A kind of raw system, it is further provided regeneration method of active carbon.
For this reason, the invention provides regenerating active carbon system, it includes N（N>=2）Group generating apparatus again；Wherein, every group of regeneration
Equipment includes
Feeding structure, the transmitting assembly including the feed bin being mounted with waste active carbon and for transmitting described waste active carbon；
Drying structure, is connected with described feeding structure, carries out drying and processing to the described waste active carbon being admitted to；
Revived structure, is connected with described drying structure, and the described waste active carbon being admitted to is carried out with activation process, described regeneration knot
Structure has first humidity province for pre-heating temperature elevation of close feed end setting and near discharge end setting for activating and regenerating
Second temperature area, be provided with burning spray gun in described revived structure；
Cooling structure, at the discharge end of described revived structure, to living again of output after described revived structure regenerates
Property charcoal is cooled down；And
Burning structure, between described revived structure and described drying structure, the gas after described revived structure is discharged enters
Row fully burns, and the inlet end of described burning structure is connected with the outlet side of described revived structure, the giving vent to anger of described burning structure
End is connected with the inlet end of described drying structure；
Wherein, the first group of outlet side of described burning structure of generating apparatus and N group described revived structure of generating apparatus more again
The connection of described second temperature area, the port of export of described burning structure of generating apparatus and described N-1 group regeneration set described N group again
The described second temperature area connection of standby revived structure.
The outlet side of described burning structure is provided with threeway air pressure valve, the first interface of described threeway air pressure valve and institute
State the outlet side connection of burning structure, second interface connects with the described drying structure of group, the institute of the 3rd interface and another group
State revived structure connection.
Described burning structure is connected using high-temperature resistant pipeline with described drying structure, described revived structure；Preferably described resistance to
High-temperature pipe is corundum ceramic pipeline.
Described revived structure is set to rotary kiln, and the kiln tail of described rotary kiln is provided with described first humidity province, described rotary kiln
Kiln hood be provided with described second temperature area, be provided with described Fuel lance at described kiln hood.
Fuel in described burning spray gun is natural gas, diesel oil or heavy oil.
Described drying structure is set to dry converter, and the discharge end of described drying converter is additionally provided with dust arrester；Preferably described
Dust arrester includes cyclone dust removal separator and chimney.
Corresponding to the regeneration method of active carbon of above-mentioned regenerating active carbon system,
Step one
Revived structure is lighted a fire, the fuel in burning burning spray gun, and the heat producing after burning preheats to described revived structure,
And enter burning structure and fully burnt；Gas after burning is partially into drying structure, and another part is as activated gas
Enter the revived structure of another group of generating apparatus again；
Step 2
Waste active carbon is admitted to described drying structure by feeding structure and carries out drying and processing, and by described waste active carbon after process
Send into described revived structure；
Step 3
Described waste active carbon is first admitted to the first humidity province of described revived structure, carries out at preheating in described first humidity province
Reason, presets, after being disposed, described waste active carbon is sent into described second temperature area, carry out at activation in described second temperature area
Reason, described waste active carbon is converted into regenerated carbon；
Step 4
Regenerated carbon is sent in described cooling structure and carries out cooling treatment, after being disposed, described regenerated carbon is sent into
Finishing room.
In step 3, the preheating temperature of described first humidity province is 200-600 DEG C, and preheating time is 2-5 hour.
In step 3, the activation temperature in described second temperature area is 900-1050 DEG C, and preheating time is 2-3 hour；Excellent
Air pressure is selected to be 0.2-0.3MPa.
In step 2, the feeding quantity of described waste active carbon is 50-100t/h.
The present invention, with respect to prior art, has the advantage that part：
The regenerating active carbon system that the present invention provides includes N group generating apparatus again, and each group the going out of the burning structure in generating apparatus again
Gas end is not only connected with the drying structure that this is organized, and also connects with the revived structure of another group of generating apparatus again, that is, in burning structure
A gas part after fully burning is admitted in described drying structure and carries out drying and processing to waste active carbon, and another then by
It is admitted in another group of described revived structure as activated gas and activating and regenerating is carried out to the waste active carbon of described revived structure,
And burning structure institute burning gases itself are discharged by the described revived structure of this group；That is, in this regenerative system, no
Vent gas treatment need to being carried out, the gas in this regenerative system is constantly recycled, thus reducing energy consumption cost, solving gas
Come source problem and vent gas treatment problem.
Brief description
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
In embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe in
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is regenerating active carbon system schematic of the present invention；
Description of reference numerals：1-1- feed bin；2-1- belt；3-1- drying structure；4-1- cyclone dust removal separator；5-1- chimney；
6-1- screw(-type) feeder；7-1- revived structure；8-1- burning spray gun；9-1- cooling structure；10-1- belt；11-1- finishing room；
12-1- burning structure；13-1- threeway air pressure valve.
Specific embodiment
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described with the enforcement it is clear that described
Example is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplify description, rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it is possible to be locked out connecting or being detachably connected, or is integrally connected；Can
To be to be mechanically connected or electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as additionally, the non-structure each other of involved technical characteristic in invention described below different embodiments
Become conflict just can be combined with each other.
Embodiment 1
As shown in figure 1, present embodiments providing regenerating active carbon system, it includes N（N>=2）Group generating apparatus again；Wherein, every group
Regeneration equipment includes
Feeding structure, the transmitting assembly including the feed bin 1-1 being mounted with waste active carbon and for transmitting described waste active carbon；
Drying structure 3-1, is connected with described feeding structure, carries out drying and processing to the described waste active carbon being admitted to；
Revived structure 7-1, is connected with described drying structure 3-1, carries out activation process to the described waste active carbon being admitted to, described
Revived structure 7-1 has the first humidity province for pre-heating temperature elevation and being used near discharge end setting of close feed end setting
The second temperature area of activating and regenerating, is provided with burning spray gun 8-1 in described revived structure 7-1；
Cooling structure 9-1, at the discharge end of described revived structure 7-1, exports to after described revived structure 7-1 regenerates
Regenerated carbon cooled down；And
Burning structure 12-1, between described revived structure 7-1 and described drying structure 3-1, arranges to described revived structure 7-1
Gas after going out fully is burnt, and the inlet end of described burning structure 12-1 is connected with the outlet side of described revived structure 7-1,
The outlet side of described burning structure 12-1 is connected with the inlet end of described drying structure 3-1；
Wherein, the described regeneration of the first group of outlet side of described burning structure 12-1 of generating apparatus and N group generating apparatus more again is tied
The described second temperature area connection of structure 7-1, the described N group port of export of described burning structure 12-1 of generating apparatus and described the again
The described second temperature area connection of the N-1 group revived structure 7-1 of generating apparatus again.
In the present embodiment, N group regeneration equipment forms loop structure, the described burning structure 12-1 of upper one group generating apparatus again
Outlet side connect that is to say, that next group with the described second temperature area of next group described revived structure 7-1 of generating apparatus again
The activated gas in the described second temperature area of the described revived structure 7-1 of generating apparatus are by the described burning of upper one group generating apparatus more again
Structure 12-1 provides, and the gas that the described burning structure 12-1 of upper one group generating apparatus again is burnt is reorganize again generating apparatus described
The tail gas that revived structure 7-1 is discharged, and initial burning gases are the described burning spray gun 8-1 in described revived structure 7-1
In fuel combustion after produce gas；Therefore, in whole regenerating active carbon system, discharge in described revived structure 7-1
Tail gas is constantly recycled, specifically as shown in figure 1, the direction of arrow is gas circulates trend, thus reducing energy consumption cost,
Solve the problems, such as gas source and vent gas treatment problem
In the present embodiment, preferably described N is set to 2, that is, as shown in figure 1, described generating apparatus again are set to two groups；Wherein, preferably
Fuel in described burning spray gun 8-1 is natural gas, diesel oil or heavy oil；Therefore, after the fuel combustion in described burning spray gun 8-1
Product be mainly CO2, the mixture of vapor, and through described revived structure 7-1 discharge tail gas be mainly CO, H2, organic
Gaseous product etc., it obtains CO after burning structure 12-1 fully burns2With vapor admixture activation gas, this admixture activation
Gas major part is admitted to next group and waste active carbon is activated in the described revived structure 7-1 of generating apparatus, fraction quilt
In the drying structure 3-1 sending into this group, waste active carbon therein is activated.
Meanwhile, the preferably described transmitting assembly of the present embodiment is set to belt 2-1 and screw(-type) feeder 6-1, i.e. described useless activity
Charcoal is conveyed by described belt 2-1 or described screw(-type) feeder 6-1 and is transmitted.
Specifically, the outlet side of the described burning structure 12-1 of the present embodiment is provided with threeway air pressure valve 13-1, described
The first interface of threeway air pressure valve 13-1 is connected with the outlet side of described burning structure 12-1, and second interface is described with organize
Drying structure 3-1 connects, and the 3rd interface is connected with another group of described revived structure 7-1.In use, by described three
Ventilation pressure valve door 13-1 adjusts pneumatic flow size.
On the basis of above-described embodiment, described burning structure 12-1 and described drying structure 3-1, described revived structure 7-
1 adopts high-temperature resistant pipeline to connect；Preferably described high-temperature resistant pipeline is corundum ceramic pipeline；Meanwhile, described revived structure 7-1 is set to
Rotary kiln, the kiln tail of described rotary kiln is provided with described first humidity province, and the kiln hood of described rotary kiln is provided with described second temperature area,
It is provided with described Fuel lance, the fuel in described burning spray gun 8-1 is natural gas, diesel oil or heavy oil at described kiln hood.
In the present embodiment, the kiln hood of described rotary kiln is discharge end and inlet end, and the kiln tail of described rotary kiln is charging
End and outlet side；The i.e. described drying structure 3-1 and described burning structure 12- of the kiln tail of described rotary kiln and this group generating apparatus again
1 is connected, the described burnup structure of the kiln hood of described rotary kiln and this group cooling structure 9-1 of generating apparatus and the following group generating apparatus more again
It is connected.
Described drying structure 3-1 is set to dry converter, and the discharge end of described drying converter is additionally provided with dust arrester；Preferably institute
State dust arrester and include cyclone dust removal separator 4-1 and chimney 5-1；In drying course, described waste active carbon adsorbed one
A little dust or other particles can float in the presence of drying gas or dance in the air, thus by described cyclone dust removal separator 4-1
Dust being carried out separate and discharge finally by chimney 5-1, thus ensureing the degree of purity of recyclegas, preventing other foreign matters to work
Change the efficiency of regeneration or result produces impact.
In the present embodiment, it is provided with water cooling screw(-type) feeder between described revived structure 7-1 and described cooling structure 9-1
6-1, described water cooling screw(-type) feeder 6-1 are by regenerated carbon by exporting in described revived structure 7-1 and send into described cooling
Cooled down in structure 9-1, and after cooling finishes, regenerated carbon is sent to into by belt 10-1 by described cooling structure 9-1
Between product, 11-1 is to carry out bag distribution packaging.
Embodiment 2
On the basis of embodiment 1, the present embodiment further provide for a kind of corresponding to the regenerating active carbon system in embodiment 1
Regeneration method of active carbon：
Step one
Revived structure 7-1 light a fire, burning burning spray gun 8-1 in fuel, after described fuel combustion produce amount of heat and with
CO2, the mixture of vapor, also contain a certain amount of CO, H in this mixture2, the heat of generation to described revived structure 7-1 is
Rotary kiln carries out heat temperature raising, and the gaseous product after burning is discharged further in described burning structure 12-1 and fully fired
Burn, thus producing CO2, vapor admixture activation gas, the fraction of this admixture activation gas is discharged this group generating apparatus again
Described drying structure 3-1 is dried in converter, and the major part of this admixture activation gas is discharged next and organizes the described of generating apparatus again
In revived structure 7-1；In this step one, preferably air pressure is 0.2-0.25MPa.
Step 2
The described waste active carbon being loaded in described feed bin 1-1 is belt 2-1 by feeding structure or screw(-type) feeder 6-1 is sent
Enter in described drying converter and carry out drying and processing, its concrete drying time is 6-7 hour, drying temperature is 120-150 DEG C, dries
After being disposed, described waste active carbon is further fed into described revived structure 7-1；During charging, the charging of described waste active carbon
Measure as 50t/h；
Step 3
The kiln tail that described waste active carbon has described revived structure 7-1 to be described rotary kiln enters, first in described first humidity province
Carry out the pre-heat treatment, its preheating time is 2-3 hour, and preheating temperature is 200-600 DEG C, in default processing stage, described useless work
Property charcoal on a part of organic matter boiling of absorption, vaporization desorption, a part of organic matter is decomposed reaction, generates small molecule hydrocarbon de-
Attached out；After the pre-heat treatment finishes, described waste active carbon enters described second temperature area and carries out activating and regenerating, during its activating and regenerating
Between be 2-2.5 hour, activating and regenerating temperature be 900-950 DEG C, CO2, vapor admixture activation gas enters to described waste active carbon
Row activation, clears up activated carbon capillary, activates reaming, so that the larger molecular organicses of absorption is desorbed so as to recover absorption property, described
Waste active carbon is converted into regenerated carbon；
Step 4
Described regenerated carbon carries out cooling treatment by inputting in described rotary kiln and be admitted in described cooling structure 9-1, cold
But, after finishing, described regenerated carbon is further fed into finishing room 11-1 in order to follow-up bag distribution packaging；
And tail gas is mainly CO, H2, organic gas product in described rotary kiln, escape and enter institute from the kiln tail of described rotary kiln
State in burning structure 12-1 and fully burnt, and change into CO2, vapor admixture activation gas；
The present embodiment produces the regenerated carbon product quality obtaining and substantially can reach regeneration requirements, performance test results table
Bright, its absorption property is up to standard, can be reached for the 95% about of former activated carbon, but energy consumption is relatively low, and charcoal damages 10% about, as quality
When measuring less demanding, this production technology can be adopted.
Embodiment 3
On the basis of embodiment 1, the present embodiment further provide for a kind of corresponding to the regenerating active carbon system in embodiment 1
Regeneration method of active carbon：
Step one
Revived structure 7-1 light a fire, burning burning spray gun 8-1 in fuel, after described fuel combustion produce amount of heat and with
CO2, the mixture of vapor, also contain a certain amount of CO, H in this mixture2, the heat of generation to described revived structure 7-1 is
Rotary kiln carries out heat temperature raising, and the gaseous product after burning is discharged further in described burning structure 12-1 and fully fired
Burn, thus producing CO2, vapor admixture activation gas, the fraction of this admixture activation gas is discharged this group generating apparatus again
Described drying structure 3-1 is dried in converter, and the major part of this admixture activation gas is discharged next and organizes the described of generating apparatus again
In revived structure 7-1；In this step one, preferably air pressure is 0.2-0.3MPa.
Step 2
The described waste active carbon being loaded in described feed bin 1-1 is belt 2-1 by feeding structure or screw(-type) feeder 6-1 is sent
Enter in described drying converter and carry out drying and processing, its concrete drying time is 6-7 hour, drying temperature is 120 DEG C of drying and processings
After finishing, described waste active carbon is further fed into described revived structure 7-1；During charging, the feeding quantity of described waste active carbon is
75t/h；
Step 3
The kiln tail that described waste active carbon has described revived structure 7-1 to be described rotary kiln enters, first in described first humidity province
Carry out the pre-heat treatment, its preheating time is 3-4 hour, and preheating temperature is 200-600 DEG C, in default processing stage, described useless work
Property charcoal on a part of organic matter boiling of absorption, vaporization desorption, a part of organic matter is decomposed reaction, generates small molecule hydrocarbon de-
Attached out；After the pre-heat treatment finishes, described waste active carbon enters described second temperature area and carries out activating and regenerating, during its activating and regenerating
Between be 2.5-3 hour, activating and regenerating temperature be 950-1000 DEG C, CO2, vapor admixture activation gas enters to described waste active carbon
Row activation, clears up activated carbon capillary, activates reaming, so that the larger molecular organicses of absorption is desorbed so as to recover absorption property, described
Waste active carbon is converted into regenerated carbon；
Step 4
Described regenerated carbon carries out cooling treatment by inputting in described rotary kiln and be admitted in described cooling structure 9-1, cold
But, after finishing, described regenerated carbon is further fed into finishing room 11-1 in order to follow-up bag distribution packaging；
And tail gas is mainly CO, H2, organic gas product in described rotary kiln, escape and enter institute from the kiln tail of described rotary kiln
State in burning structure 12-1 and fully burnt, and change into CO2, vapor admixture activation gas；
The present embodiment produces the regenerated carbon product quality obtaining and substantially can reach regeneration requirements, performance test results table
Bright, its absorption property is up to standard, can be reached for the 105% about of former activated carbon, and charcoal damages 15% about, and energy consumption is moderate, this production technology
High-quality regenerated carbon can be produced.
Embodiment 4
On the basis of embodiment 1, the present embodiment further provide for a kind of corresponding to the regenerating active carbon system in embodiment 1
Regeneration method of active carbon：
Step one
Revived structure 7-1 light a fire, burning burning spray gun 8-1 in fuel, after described fuel combustion produce amount of heat and with
CO2, the mixture of vapor, also contain a certain amount of CO, H in this mixture2, the heat of generation to described revived structure 7-1 is
Rotary kiln carries out heat temperature raising, and the gaseous product after burning is discharged further in described burning structure 12-1 and fully fired
Burn, thus producing CO2, vapor admixture activation gas, the fraction of this admixture activation gas is discharged this group generating apparatus again
Described drying structure 3-1 is dried in converter, and the major part of this admixture activation gas is discharged next and organizes the described of generating apparatus again
In revived structure 7-1；In this step one, preferably air pressure is 0.2-0.3MPa.
Step 2
The described waste active carbon being loaded in described feed bin 1-1 is belt 2-1 by feeding structure or screw(-type) feeder 6-1 is sent
Enter in described drying converter and carry out drying and processing, its concrete drying time is 6-7 hour, drying temperature is 150 DEG C, drying and processing
After finishing, described waste active carbon is further fed into described revived structure 7-1；During charging, the feeding quantity of described waste active carbon is
75t/h；
Step 3
The kiln tail that described waste active carbon has described revived structure 7-1 to be described rotary kiln enters, first in described first humidity province
Carry out the pre-heat treatment, its preheating time is 4-5 hour, and preheating temperature is 200-600 DEG C, in default processing stage, described useless work
Property charcoal on a part of organic matter boiling of absorption, vaporization desorption, a part of organic matter is decomposed reaction, generates small molecule hydrocarbon de-
Attached out；After the pre-heat treatment finishes, described waste active carbon enters described second temperature area and carries out activating and regenerating, during its activating and regenerating
Between be 2.5-3 hour, activating and regenerating temperature be 1000-1050 DEG C, CO2, vapor admixture activation gas is to described waste active carbon
Activated, cleared up activated carbon capillary, activated reaming, so that the larger molecular organicses of absorption is desorbed so as to recover absorption property, institute
State waste active carbon and be converted into regenerated carbon；
Step 4
Described regenerated carbon carries out cooling treatment by inputting in described rotary kiln and be admitted in described cooling structure 9-1, cold
But, after finishing, described regenerated carbon is further fed into finishing room 11-1 in order to follow-up bag distribution packaging；
And tail gas is mainly CO, H2, organic gas product in described rotary kiln, escape and enter institute from the kiln tail of described rotary kiln
State in burning structure 12-1 and fully burnt, and change into CO2, vapor admixture activation gas；
The regenerated carbon product quality that the present embodiment production obtains is higher, and performance test results show, its absorption property is up to standard,
The 110% about of former activated carbon can be reached for, charcoal damages 21% about, and charcoal damage is larger, and energy consumption is higher, and advantage is favorable regeneration effect,
Treating capacity is larger.
Embodiment 5
On the basis of embodiment 1, the present embodiment further provide for a kind of corresponding to the regenerating active carbon system in embodiment 1
Regeneration method of active carbon：
Step one
Revived structure 7-1 light a fire, burning burning spray gun 8-1 in fuel, after described fuel combustion produce amount of heat and with
CO2, the mixture of vapor, also contain a certain amount of CO, H in this mixture2, the heat of generation to described revived structure 7-1 is
Rotary kiln carries out heat temperature raising, and the gaseous product after burning is discharged further in described burning structure 12-1 and fully fired
Burn, thus producing CO2, vapor admixture activation gas, the fraction of this admixture activation gas is discharged this group generating apparatus again
Described drying structure 3-1 is dried in converter, and the major part of this admixture activation gas is discharged next and organizes the described of generating apparatus again
In revived structure 7-1；In this step one, preferably air pressure is 0.2-0.3MPa.
Step 2
The described waste active carbon being loaded in described feed bin 1-1 is belt 2-1 by feeding structure or screw(-type) feeder 6-1 is sent
Enter in described drying converter and carry out drying and processing, 6-7 hour, drying temperature is 130 DEG C, after drying and processing finishes, described useless work
Property charcoal is further fed into described revived structure 7-1；During charging, the feeding quantity of described waste active carbon is 100t/h；
Step 3
The kiln tail that described waste active carbon has described revived structure 7-1 to be described rotary kiln enters, first in described first humidity province
Carry out the pre-heat treatment, its preheating time is 3-4 hour, and preheating temperature is 200-600 DEG C, in default processing stage, described useless work
Property charcoal on a part of organic matter boiling of absorption, vaporization desorption, a part of organic matter is decomposed reaction, generates small molecule hydrocarbon de-
Attached out；After the pre-heat treatment finishes, described waste active carbon enters described second temperature area and carries out activating and regenerating, during its activating and regenerating
Between be 2.5-3 hour, activating and regenerating temperature be 1000-1050 DEG C, CO2, vapor admixture activation gas is to described waste active carbon
Activated, cleared up activated carbon capillary, activated reaming, so that the larger molecular organicses of absorption is desorbed so as to recover absorption property, institute
State waste active carbon and be converted into regenerated carbon；
Step 4
Described regenerated carbon carries out cooling treatment by inputting in described rotary kiln and be admitted in described cooling structure 9-1, cold
But, after finishing, described regenerated carbon is further fed into finishing room 11-1 in order to follow-up bag distribution packaging；
And tail gas is mainly CO, H2, organic gas product in described rotary kiln, escape and enter institute from the kiln tail of described rotary kiln
State in burning structure 12-1 and fully burnt, and change into CO2, vapor admixture activation gas；
The regenerated carbon product quality that the present embodiment production obtains is higher, and performance test results show, its absorption property is up to standard,
The 108% about of former activated carbon can be reached for, charcoal damages 17% about, and energy consumption is moderate, during high-volume regenerated carbon, can adopt should
Production technology.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (10)
1. regenerating active carbon system it is characterised in that：It includes N（N>=2）Group generating apparatus again；Wherein, every group of regeneration equipment includes
Feeding structure, including the feed bin being mounted with waste active carbon（1-1）And for transmitting the transmitting assembly of described waste active carbon；
Drying structure（3-1）, connect with described feeding structure, drying and processing carried out to the described waste active carbon being admitted to；
Revived structure（7-1）, with described drying structure（3-1）Connection, carries out activation process to the described waste active carbon being admitted to,
Described revived structure（7-1）There is first humidity province for pre-heating temperature elevation of close feed end setting and near discharge end setting
The second temperature area for activating and regenerating, described revived structure（7-1）In be provided with burning spray gun（8-1）；
Cooling structure（9-1）, located at described revived structure（7-1）Discharge end at, to by described revived structure（7-1）Regeneration
The regenerated carbon exporting afterwards is cooled down；And
Burning structure（12-1）, located at described revived structure（7-1）With described drying structure（3-1）Between, to described regeneration knot
Structure（7-1）Gas after discharge is fully burnt, described burning structure（12-1）Inlet end and described revived structure（7-1）
Outlet side connection, described burning structure（12-1）Outlet side and described drying structure（3-1）Inlet end connect；
Wherein, the described burning structure of first group of generating apparatus again（12-1）Outlet side and N group generating apparatus again described regeneration
Structure（7-1）The connection of described second temperature area, the described burning structure of described N group generating apparatus again（12-1）The port of export with
The revived structure of described N-1 group generating apparatus again（7-1）The connection of described second temperature area.
2. regenerating active carbon system according to claim 1 it is characterised in that：Described burning structure（12-1）Outlet side
It is provided with threeway air pressure valve（13-1）, described threeway air pressure valve（13-1）First interface and described burning structure（12-1）
Outlet side connection, second interface with group described drying structure（3-1）Connection, the 3rd interface and another group of described regeneration
Structure（7-1）Connection.
3. regenerating active carbon system according to claim 1 it is characterised in that：Described burning structure（12-1）With described baking
Stem structure（3-1）, described revived structure（7-1）Connected using high-temperature resistant pipeline；Preferably described high-temperature resistant pipeline is corundum ceramic
Pipeline.
4. regenerating active carbon system according to claim 1 it is characterised in that：Described revived structure（7-1）It is set to turn round
Kiln, the kiln tail of described rotary kiln is provided with described first humidity province, and the kiln hood of described rotary kiln is provided with described second temperature area, described
It is provided with described Fuel lance at kiln hood.
5. regenerating active carbon system according to claim 1 it is characterised in that：Described burning spray gun（8-1）Interior fuel
For natural gas, diesel oil or heavy oil.
6. regenerating active carbon system according to claim 1 it is characterised in that：Described drying structure（3-1）It is set to dry
Converter, the discharge end of described drying converter is additionally provided with dust arrester；Preferably described dust arrester includes cyclone dust removal separator（4-
1）And chimney（5-1）.
7. regeneration method of active carbon it is characterised in that：
Step one
Revived structure（7-1）Igniting, burn burning spray gun（8-1）Interior fuel, the heat producing after burning is to described regeneration knot
Structure（7-1）Preheated, and entered burning structure（12-1）Fully burnt；Gas after burning is partially into drying knot
Structure, another part enters the revived structure of another group of generating apparatus again as activated gas（7-1）；
Step 2
Waste active carbon is admitted to described drying structure by feeding structure and carries out drying and processing, and by described waste active carbon after process
Send into described revived structure（7-1）；
Step 3
Described waste active carbon is first admitted to described revived structure（7-1）The first humidity province, carry out pre- in described first humidity province
Heat treatment, presets, after being disposed, described waste active carbon is sent into described second temperature area, lived in described second temperature area
Change is processed, and described waste active carbon is converted into regenerated carbon；
Step 4
Regenerated carbon is sent into described cooling structure（9-1）In carry out cooling treatment, by described regeneration activity after being disposed
Charcoal sends into finishing room（11-1）.
8. regeneration method of active carbon according to claim 7 it is characterised in that：In step 3, described first humidity province
Preheating temperature be 200-600 DEG C, preheating time be 2-5 hour.
9. regeneration method of active carbon according to claim 7 it is characterised in that：In step 3, described second temperature area
Activation temperature be 900-1050 DEG C, preheating time be 2-3 hour；Preferably air pressure is 0.2-0.3MPa.
10. regeneration method of active carbon according to claim 7 it is characterised in that：In step 2, described waste active carbon
Feeding quantity is 50-100t/h.
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| CN107824171A (en) * | 2017-12-07 | 2018-03-23 | 衢州市蓝天环保节能设备厂 | The regenerative system and renovation process of activated carbon |
| CN108126680A (en) * | 2017-12-14 | 2018-06-08 | 南平元力活性炭有限公司 | A kind of powdery Regenevating Waste Activated Carbon System and method for of high-efficient energy-saving environment friendly |
| CN111135793A (en) * | 2020-01-07 | 2020-05-12 | 江苏竹海活性炭有限公司 | Renewable efficient deep desulfurization activated carbon and preparation method and application thereof |
| CN115318263A (en) * | 2022-06-24 | 2022-11-11 | 武汉龙净环保工程有限公司 | Optimized waste activated carbon collaborative pyrolysis regeneration treatment method |
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| CN103230786A (en) * | 2013-05-07 | 2013-08-07 | 南京工业大学 | Active carbon regeneration absorption device and active carbon regeneration absorption technology |
| CN105170127A (en) * | 2015-09-30 | 2015-12-23 | 黎城蓝天燃气开发有限公司 | In-place regenerating activating furnace, system and method for saturated active carbon |
| CN105289563A (en) * | 2015-12-02 | 2016-02-03 | 江苏嘉和炭业科技有限公司 | Spent activated carbon regeneration method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103230786A (en) * | 2013-05-07 | 2013-08-07 | 南京工业大学 | Active carbon regeneration absorption device and active carbon regeneration absorption technology |
| CN105170127A (en) * | 2015-09-30 | 2015-12-23 | 黎城蓝天燃气开发有限公司 | In-place regenerating activating furnace, system and method for saturated active carbon |
| CN105289563A (en) * | 2015-12-02 | 2016-02-03 | 江苏嘉和炭业科技有限公司 | Spent activated carbon regeneration method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824171A (en) * | 2017-12-07 | 2018-03-23 | 衢州市蓝天环保节能设备厂 | The regenerative system and renovation process of activated carbon |
| CN108126680A (en) * | 2017-12-14 | 2018-06-08 | 南平元力活性炭有限公司 | A kind of powdery Regenevating Waste Activated Carbon System and method for of high-efficient energy-saving environment friendly |
| CN111135793A (en) * | 2020-01-07 | 2020-05-12 | 江苏竹海活性炭有限公司 | Renewable efficient deep desulfurization activated carbon and preparation method and application thereof |
| CN115318263A (en) * | 2022-06-24 | 2022-11-11 | 武汉龙净环保工程有限公司 | Optimized waste activated carbon collaborative pyrolysis regeneration treatment method |
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| CN106378120B (en) | 2019-07-02 |
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