CN106378120B - Regenerating active carbon system and regeneration method - Google Patents

Regenerating active carbon system and regeneration method Download PDF

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Publication number
CN106378120B
CN106378120B CN201610803600.0A CN201610803600A CN106378120B CN 106378120 B CN106378120 B CN 106378120B CN 201610803600 A CN201610803600 A CN 201610803600A CN 106378120 B CN106378120 B CN 106378120B
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active carbon
burning
revived
drying
group
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CN106378120A (en
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肖劲
王志坚
余柏烈
丁鑫
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Hunan Xuan Rong Group Co Ltd
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Hunan Xuan Rong Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/3416Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D45/00Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/16Separating 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

The present invention provides regenerating active carbon systems comprising and N(N >=2) organize generating apparatus again;Wherein, every group again generating apparatus include feeding structure, drying structure, revived structure, cooling structure and burning structure;Wherein, the second temperature area of the first group of outlet side of the burning structure of generating apparatus and N group revived structure of generating apparatus again again is connected to, and the second temperature area of the N group outlet end of the burning structure of generating apparatus and N-1 the group revived structure of generating apparatus again again is connected to;Gas a part in burning structure after full combustion, which is admitted in drying structure, carries out drying and processing to waste active carbon, another waste active carbon progress activating and regenerating being admitted in another revived structure to revived structure as activated gas, burning structure institute burning gases are discharged itself by the revived structure of the group;In the regenerative system, without carrying out vent gas treatment, the gas in the regenerative system is constantly recycled, and energy consumption cost is reduced, and solves the problems, such as gas source and vent gas treatment problem.

Description

Regenerating active carbon system and regeneration method
Technical field
The present invention relates to regenerating active carbon fields, more particularly to a kind of regenerating active carbon system and regenerating active carbon side Method.
Background technique
Active carbon is non-toxic and tasteless because having highly developed pore structure and suitable specific surface area, has to organic substance 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, active carbon is protected in environment The demand for protecting aspect is increasing, is widely used in urban water supply purification, pernicious gas absorption, drinking water purification and industry Among Sewage advanced treatment.However, since active carbon is on the high side, resources of production are more and more in short supply, if the useless work after using Property charcoal takes the modes such as burning, landfill to dispose, and certainly will will cause the serious waste of resource, while also bringing to environment certain It influences, significantly limits the application range of active carbon.Therefore, the regeneration of waste active carbon has good development trend.
Regenerating active carbon refers to and is not destroying active carbon original structure with the methods of fortune physics, chemistry or biochemistry Under the premise of, charcoal deactivated after adsorption saturation is handled, restores its absorption property, achievees the purpose that reuse.It is living Property charcoal regeneration method there are many kinds of, such as: heating method of reproduction, bio-regeneration method, wet oxidation process, solvent regeneration process, electrification Learn method of reproduction, catalytic wet air oxidation etc..Wherein, heating method of reproduction is to apply at most, industrially most mature regenerating active carbon Method.Active carbon, according to the variation of organic matter when being heated to different temperatures, is generally divided into dry, pyrocarbon in regenerative process Change and activate three phases;In drying stage, the main volatilizable ingredient removed on active carbon;High temperature carbonization stage is to make activity A part of organic matter boiling for adsorbing on charcoal, vaporization desorption, a part of organic matter decompose reaction, generate small molecule hydrocarbon and be desorbed Out, residual components, which stay in active carbon hole, becomes " fixed carbon ", and in this stage, temperature is up to 800~900 °C, is Avoid the oxidation of active carbon, generally vacuumize or inert atmosphere under carry out;In next activation stage, lead in reaction kettle Enter the gases such as CO2, CO, H2 or vapor, to clear up activated carbon capillary, it is made to restore absorption property.
Chinese patent literature CN105289563A discloses a kind of Regenevating Waste Activated Carbon processing method comprising stores, is pre- Processing, heating power is produced, roasts, post-processes and packed and vent gas treatment step;But it at least has the following disadvantages: tunnel The flue gas that road kiln blade trailing cooling area generates burnt, cooled down, being adsorbed, dedusting, soda acid are handled etc. after a series of processing It could be discharged by chimney, the tail gas treatment process is complicated and increases whole energy consumption cost.
In summary, it now needs 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.
Summary of the invention
Therefore, the problem to be solved by the present invention is that at the tail gas of Regenevating Waste Activated Carbon process in the prior art It manages complex process and increases whole energy consumption cost;And then provide a kind of vent gas treatment is simple and energy consumption cost is low active carbon again A kind of raw system, it is further provided regeneration method of active carbon.
For this purpose, the present invention provides regenerating active carbon systems comprising N(N >=2) organize generating apparatus again;Wherein, every group of regeneration Equipment includes
Feeding structure, the transmitting assembly including being mounted with the feed bin of waste active carbon and for transmitting the waste active carbon;
Drying structure is connected to the feeding structure, carries out drying and processing to the waste active carbon being admitted to;
Revived structure is connected to the drying structure, is activated to the waste active carbon being admitted to, it is described again Raw structure has close to feed end setting for the first humidity province of pre-heating temperature elevation and close to discharge end setting for activating Regenerated second temperature area is equipped with burning spray gun in the revived structure;
Cooling structure, at the discharge end of the revived structure, to by being exported again after revived structure regeneration Liveliness proof charcoal is cooled down;And
Burning structure is set between the revived structure and the drying structure, to the gas after revived structure discharge Body carries out full combustion, and the inlet end of the burning structure is connected to the outlet side of the revived structure, the burning structure Outlet side is connect with the inlet end of the drying structure;
Wherein, the regeneration knot of the first group of outlet side of the burning structure of generating apparatus and N group generating apparatus again again The second temperature area of structure is connected to, the N group again the outlet end of the burning structure of generating apparatus with the N-1 group again The second temperature area of the revived structure of generating apparatus is connected to.
The outlet side of the burning structure is provided with threeway air pressure valve, the first interface of the threeway air pressure valve and institute The outlet side connection of burning structure is stated, second interface is connected to the drying structure with group, third interface and another group of institute State revived structure connection.
The burning structure is connect with the drying structure, the revived structure using high-temperature resistant pipeline;It is preferred that described resistance to High-temperature pipe is corundum ceramic pipeline.
The revived structure is set as rotary kiln, and the kiln tail of the rotary kiln is equipped with first humidity province, the rotary kiln Kiln hood be equipped with the second temperature area, the Fuel lance is equipped at the kiln hood.
Fuel in the burning spray gun is natural gas, diesel oil or heavy oil.
The drying structure is set as drying converter, and the discharge end of the drying converter is additionally provided with dust-extraction unit;It is preferred that described Dust-extraction unit includes cyclone dust removal separator and chimney.
Corresponding to the regeneration method of active carbon of above-mentioned regenerating active carbon system,
Step 1
Revived structure igniting, the fuel to burn in burning spray gun, the heat generated after burning carry out the revived structure Preheating, and enter burning structure and carry out full combustion;Gas part after burning enters drying structure, and another part is as activation Gas enters the revived structure of another group of generating apparatus again;
Step 2
Waste active carbon is admitted to the drying structure by feeding structure and carries out drying and processing, and by the useless work after processing Property charcoal be sent into the revived structure;
Step 3
The waste active carbon is first admitted to the first humidity province of the revived structure, is preheated in first humidity province Processing is preset and the waste active carbon is sent into the second temperature area after being disposed, activated in the second temperature area Processing, the waste active carbon are converted into regenerated carbon;
Step 4
Regenerated carbon is sent into the cooling structure and carries out cooling treatment, by the regenerated carbon after being disposed It is sent into finishing room.
In step 3, the preheating temperature of first humidity province is 200-600 DEG C, and preheating time is 2-5 hours.
In step 3, the activation temperature in the second temperature area is 900-1050 DEG C, and preheating time is 2-3 hours;It is excellent Selecting air pressure is 0.2-0.3MPa.
In step 2, the feeding quantity of the waste active carbon is 50-100t/h.
The present invention compared with the existing technology, has the following advantages that place:
Regenerating active carbon system provided by the invention includes N group generating apparatus again, and each group burning structure in generating apparatus again Outlet side be not only connected to the drying structure of this group, also be connected to the revived structure of another group of generating apparatus again, i.e., in the knot that burns Gas a part in structure after full combustion is admitted in the drying structure to waste active carbon progress drying and processing, and another portion It is then admitted in another group of the revived structure as activated gas and the waste active carbon of the revived structure is activated Regeneration, and burning structure institute burning gases are discharged itself by the revived structure of the group;That is, in the regenerative system In, without carrying out vent gas treatment, the gas in the regenerative system is constantly recycled, to reduce energy consumption cost, is solved Gas source problem and vent gas treatment problem.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is regenerating active carbon system schematic of the present invention;
Description of symbols: 1-1- feed bin;2-1- belt;3-1- drying structure;4-1- cyclone dust removal separator;5-1- cigarette Chimney;6-1- screw(-type) feeder;7-1- revived structure;8-1- burning spray gun;9-1- cooling structure;10-1- belt;11-1- finished product Between;12-1- burning structure;13-1- threeway air pressure valve.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be locking connection, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.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 in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.
Embodiment 1
As shown in Figure 1, present embodiments providing regenerating active carbon system comprising N(N >=2) organize generating apparatus again;Wherein, Every group again generating apparatus include
Feeding structure, the transmitting group including being mounted with the feed bin 1-1 of waste active carbon and for transmitting the waste active carbon Part;
Drying structure 3-1 is connected to the feeding structure, carries out drying and processing to the waste active carbon being admitted to;
Revived structure 7-1 is connected to the drying structure 3-1, is activated to the waste active carbon being admitted to, The revived structure 7-1 has close to feed end setting for the first humidity province of pre-heating temperature elevation and close to discharge end setting For the second temperature area of activating and regenerating, burning spray gun 8-1 is equipped in the revived structure 7-1;
Cooling structure 9-1, at the discharge end of the revived structure 7-1, after being regenerated by the revived structure 7-1 The regenerated carbon of output is cooled down;And
Burning structure 12-1 is set between the revived structure 7-1 and the drying structure 3-1, to the revived structure Gas after 7-1 discharge carries out full combustion, the outlet side of the inlet end of the burning structure 12-1 and the revived structure 7-1 Connection, the outlet side of the burning structure 12-1 is connect with the inlet end of the drying structure 3-1;
Wherein, first group again the outlet side of the burning structure 12-1 of generating apparatus and N group again generating apparatus it is described again The second temperature area connection of raw structure 7-1, the N group outlet end of the burning structure 12-1 of generating apparatus and institute again State N-1 group again the revived structure 7-1 of generating apparatus the second temperature area connection.
In the present embodiment, N group regeneration equipment forms loop structure, the burning structure 12-1 of upper one group generating apparatus again Outlet side be connected to the second temperature area of the next group of revived structure 7-1 of generating apparatus again, that is to say, that next group Again the activated gas in the second temperature area of the revived structure 7-1 of generating apparatus by upper one group generating apparatus again the burning Structure 12-1 is provided, and the gas that the burning structure 12-1 of upper one group generating apparatus again is burnt be reorganize again generating apparatus described The tail gas that revived structure 7-1 is discharged, and initial burning gases are the burning spray gun 8-1 in the revived structure 7-1 In fuel combustion after the gas that generates;Therefore, it in entire regenerating active carbon system, is discharged in the revived structure 7-1 Tail gas is constantly recycled, specifically as shown in Figure 1, arrow direction is gas circulation trend, so that energy consumption cost is reduced, Solve the problems, such as gas source and vent gas treatment problem
In the present embodiment, the N is preferably set as 2, i.e., as shown in Figure 1, the generating apparatus again is set as two groups;Wherein, It is preferred that the fuel in the burning spray gun 8-1 is natural gas, diesel oil or heavy oil;Therefore, the fuel combustion in the burning spray gun 8-1 Product after burning is mainly CO2, vapor mixture, and pass through the revived structure 7-1 discharge tail gas be mainly CO, H2、 Organic gas product etc. obtains CO after burning structure 12-1 full combustion2With vapor admixture activation gas, the mixing Activated gas is largely admitted to next group and is activated in the revived structure 7-1 of generating apparatus to waste active carbon again, small portion Divide to be admitted in the drying structure 3-1 of the group and waste active carbon therein is activated.
Meanwhile the preferably described transmitting assembly of the present embodiment is set as belt 2-1 and screw(-type) feeder 6-1, i.e., the described useless activity Charcoal is conveyed and is transmitted by the belt 2-1 or the screw(-type) feeder 6-1.
Specifically, the outlet side of the embodiment of the present invention burning structure 12-1 is provided with threeway air pressure valve 13-1, described The first interface of threeway air pressure valve 13-1 is connected to the outlet side of the burning structure 12-1, and second interface is described with same group Drying structure 3-1 connection, third interface are connected to another group of the revived structure 7-1.In use, pass through described three Ventilation pressure valve door 13-1 adjusts pneumatic flow size.
On the basis of the above embodiments, the burning structure 12-1 and the drying structure 3-1, the revived structure 7- 1 is connected using high-temperature resistant pipeline;It is preferred that the high-temperature resistant pipeline is corundum ceramic pipeline;Meanwhile the revived structure 7-1 is set as Rotary kiln, the kiln tail of the rotary kiln are equipped with first humidity province, and the kiln hood of the rotary kiln is equipped with the second temperature area, The Fuel lance is equipped at the kiln hood, the fuel in the burning spray gun 8-1 is natural gas, diesel oil or heavy oil.
In the present embodiment, the kiln hood of the rotary kiln is discharge end and inlet end, and the kiln tail of the rotary kiln is charging End and outlet side;The drying structure 3-1 and the burning structure 12- of the kiln tail of the i.e. described rotary kiln and the group generating apparatus again 1 is connected, the burnup structure of the kiln hood of the rotary kiln and the group cooling structure 9-1 of generating apparatus and the following group generating apparatus again again It is connected.
The drying structure 3-1 is set as drying converter, and the discharge end of the drying converter is additionally provided with dust-extraction unit;It is preferred that institute Stating dust-extraction unit includes cyclone dust removal separator 4-1 and chimney 5-1;During the drying process, the waste active carbon adsorbed one A little dust or other particles can float or dance in the air under the action of drying gas, to pass through the cyclone dust removal separator 4-1 Separation is carried out to dust and is discharged finally by chimney 5-1, to guarantee the degree of purity of recyclegas, prevents other foreign matters to work Change regenerated efficiency or result has an impact.
In the present embodiment, the cooling screw(-type) feeder of water is equipped between the revived structure 7-1 and the cooling structure 9-1 6-1, the cooling screw(-type) feeder 6-1 of the water is by regenerated carbon by exporting in the revived structure 7-1 and being sent into the cooling It is cooled down in structure 9-1, and after cooling down, regenerated carbon is sent to by the cooling structure 9-1 by belt 10-1 11-1 is between product to carry out bag distribution packaging.
Embodiment 2
On the basis of embodiment 1, the present embodiment further provides for a kind of regenerating active carbon system corresponding in embodiment 1 The regeneration method of active carbon of system:
Step 1
Revived structure 7-1 igniting, burn burning spray gun 8-1 in fuel, after the fuel combustion generate amount of heat and With CO2, vapor mixture, a certain amount of CO, H are also contained in the mixture2, the heat of generation is to the revived structure 7-1 I.e. rotary kiln carries out heat temperature raising, and the gaseous product after burning further is discharged in the burning structure 12-1 and is carried out sufficiently Burning, to generate CO2, vapor admixture activation gas, the fraction of the admixture activation gas is discharged group generating apparatus again The drying structure 3-1 dry in converter, the major part of the admixture activation gas is discharged the institute of next group of generating apparatus again It states in revived structure 7-1;In the step 1, preferably air pressure is 0.2-0.25MPa.
Step 2
The waste active carbon being loaded in the feed bin 1-1 passes through feeding structure i.e. belt 2-1 or screw(-type) feeder 6-1 It being admitted in the drying converter and carries out drying and processing, specific drying time is 6-7 hours, and drying temperature is 120-150 DEG C, After drying and processing, the waste active carbon is further fed into the revived structure 7-1;When charging, the waste active carbon Feeding quantity is 50t/h;
Step 3
The waste active carbon has the kiln tail of the i.e. described rotary kiln of the revived structure 7-1 to enter, first in first temperature It spends area and carries out the pre-heat treatment, preheating time is 2-3 hour, and preheating temperature is 200-600 DEG C, described in default processing stage A part of organic matter boiling for adsorbing on waste active carbon, vaporization desorption, a part of organic matter are decomposed reaction, generation small molecule Hydrocarbon is desorbed out;After the pre-heat treatment, the waste active carbon enters the second temperature area and carries out activating and regenerating, and activation is again The raw time is 2-2.5 hours, and activating and regenerating temperature is 900-950 DEG C, CO2, vapor admixture activation gas is to the useless activity Charcoal is activated, and activated carbon capillary is cleared up, and activates reaming, makes the larger molecular organics desorption of absorption, it is made to restore absorption property, The waste active carbon is converted into regenerated carbon;
Step 4
The regenerated carbon is cooled down by inputting and being admitted in the cooling structure 9-1 in the rotary kiln Reason, after cooling, the regenerated carbon is further fed into finishing room 11-1 in order to subsequent bag distribution packaging;
And tail gas is mainly CO, H2, organic gas product in the rotary kiln, is gone forward side by side from the discharge of the kiln tail of the rotary kiln Enter in the burning structure 12-1 and carry out full combustion, and is converted to CO2, vapor admixture activation gas;
The regenerated carbon product quality that the present embodiment produces can reach regeneration requirements, performance test results substantially Show that its absorption property is up to standard, 95% or so of former active carbon can be reached for, but energy consumption is lower, charcoal damage 10% or so works as finished product When quality requirement is not high, the production technology can be used.
Embodiment 3
On the basis of embodiment 1, the present embodiment further provides for a kind of regenerating active carbon system corresponding in embodiment 1 The regeneration method of active carbon of system:
Step 1
Revived structure 7-1 igniting, burn burning spray gun 8-1 in fuel, after the fuel combustion generate amount of heat and With CO2, vapor mixture, a certain amount of CO, H are also contained in the mixture2, the heat of generation is to the revived structure 7-1 I.e. rotary kiln carries out heat temperature raising, and the gaseous product after burning further is discharged in the burning structure 12-1 and is carried out sufficiently Burning, to generate CO2, vapor admixture activation gas, the fraction of the admixture activation gas is discharged group generating apparatus again The drying structure 3-1 dry in converter, the major part of the admixture activation gas is discharged the institute of next group of generating apparatus again It states in revived structure 7-1;In the step 1, preferably air pressure is 0.2-0.3MPa.
Step 2
The waste active carbon being loaded in the feed bin 1-1 passes through feeding structure i.e. belt 2-1 or screw(-type) feeder 6-1 It is admitted in the drying converter and carries out drying and processing, specific drying time is 6-7 hours, and drying temperature is 120 DEG C of drying After being disposed, the waste active carbon is further fed into the revived structure 7-1;When charging, the charging of the waste active carbon Amount is 75t/h;
Step 3
The waste active carbon has the kiln tail of the i.e. described rotary kiln of the revived structure 7-1 to enter, first in first temperature It spends area and carries out the pre-heat treatment, preheating time is 3-4 hour, and preheating temperature is 200-600 DEG C, described in default processing stage A part of organic matter boiling for adsorbing on waste active carbon, vaporization desorption, a part of organic matter are decomposed reaction, generation small molecule Hydrocarbon is desorbed out;After the pre-heat treatment, the waste active carbon enters the second temperature area and carries out activating and regenerating, and activation is again The raw time is 2.5-3 hours, and activating and regenerating temperature is 950-1000 DEG C, CO2, vapor admixture activation gas is to the useless activity Charcoal is activated, and activated carbon capillary is cleared up, and activates reaming, makes the larger molecular organics desorption of absorption, it is made to restore absorption property, The waste active carbon is converted into regenerated carbon;
Step 4
The regenerated carbon is cooled down by inputting and being admitted in the cooling structure 9-1 in the rotary kiln Reason, after cooling, the regenerated carbon is further fed into finishing room 11-1 in order to subsequent bag distribution packaging;
And tail gas is mainly CO, H2, organic gas product in the rotary kiln, is gone forward side by side from the discharge of the kiln tail of the rotary kiln Enter in the burning structure 12-1 and carry out full combustion, and is converted to CO2, vapor admixture activation gas;
The regenerated carbon product quality that the present embodiment produces can reach regeneration requirements, performance test results substantially Show that its absorption property is up to standard, 105% or so of former active carbon can be reached for, charcoal damage 15% or so, energy consumption is moderate, the production work Skill can produce the regenerated carbon of high quality.
Embodiment 4
On the basis of embodiment 1, the present embodiment further provides for a kind of regenerating active carbon system corresponding in embodiment 1 The regeneration method of active carbon of system:
Step 1
Revived structure 7-1 igniting, burn burning spray gun 8-1 in fuel, after the fuel combustion generate amount of heat and With CO2, vapor mixture, a certain amount of CO, H are also contained in the mixture2, the heat of generation is to the revived structure 7-1 I.e. rotary kiln carries out heat temperature raising, and the gaseous product after burning further is discharged in the burning structure 12-1 and is carried out sufficiently Burning, to generate CO2, vapor admixture activation gas, the fraction of the admixture activation gas is discharged group generating apparatus again The drying structure 3-1 dry in converter, the major part of the admixture activation gas is discharged the institute of next group of generating apparatus again It states in revived structure 7-1;In the step 1, preferably air pressure is 0.2-0.3MPa.
Step 2
The waste active carbon being loaded in the feed bin 1-1 passes through feeding structure i.e. belt 2-1 or screw(-type) feeder 6-1 It is admitted in the drying converter and carries out drying and processing, specific drying time is 6-7 hours, and drying temperature is 150 DEG C, drying After being disposed, the waste active carbon is further fed into the revived structure 7-1;When charging, the charging of the waste active carbon Amount is 75t/h;
Step 3
The waste active carbon has the kiln tail of the i.e. described rotary kiln of the revived structure 7-1 to enter, first in first temperature It spends area and carries out the pre-heat treatment, preheating time is 4-5 hour, and preheating temperature is 200-600 DEG C, described in default processing stage A part of organic matter boiling for adsorbing on waste active carbon, vaporization desorption, a part of organic matter are decomposed reaction, generation small molecule Hydrocarbon is desorbed out;After the pre-heat treatment, the waste active carbon enters the second temperature area and carries out activating and regenerating, and activation is again The raw time is 2.5-3 hours, and activating and regenerating temperature is 1000-1050 DEG C, CO2, vapor admixture activation gas is to the useless work Property charcoal activated, clear up activated carbon capillary, activate reaming, make absorption larger molecular organics desorption, make its restore adsorptivity Can, the waste active carbon is converted into regenerated carbon;
Step 4
The regenerated carbon is cooled down by inputting and being admitted in the cooling structure 9-1 in the rotary kiln Reason, after cooling, the regenerated carbon is further fed into finishing room 11-1 in order to subsequent bag distribution packaging;
And tail gas is mainly CO, H2, organic gas product in the rotary kiln, is gone forward side by side from the discharge of the kiln tail of the rotary kiln Enter in the burning structure 12-1 and carry out full combustion, and is converted to CO2, vapor admixture activation gas;
The regenerated carbon product quality that the present embodiment produces is higher, and performance test results show its absorption property It is up to standard, it can be reached for 110% or so of former active carbon, charcoal damage 21% or so, charcoal damage is larger, and energy consumption is higher, and advantage is revival Fruit is good, and treating capacity is larger.
Embodiment 5
On the basis of embodiment 1, the present embodiment further provides for a kind of regenerating active carbon system corresponding in embodiment 1 The regeneration method of active carbon of system:
Step 1
Revived structure 7-1 igniting, burn burning spray gun 8-1 in fuel, after the fuel combustion generate amount of heat and With CO2, vapor mixture, a certain amount of CO, H are also contained in the mixture2, the heat of generation is to the revived structure 7-1 I.e. rotary kiln carries out heat temperature raising, and the gaseous product after burning further is discharged in the burning structure 12-1 and is carried out sufficiently Burning, to generate CO2, vapor admixture activation gas, the fraction of the admixture activation gas is discharged group generating apparatus again The drying structure 3-1 dry in converter, the major part of the admixture activation gas is discharged the institute of next group of generating apparatus again It states in revived structure 7-1;In the step 1, preferably air pressure is 0.2-0.3MPa.
Step 2
The waste active carbon being loaded in the feed bin 1-1 passes through feeding structure i.e. belt 2-1 or screw(-type) feeder 6-1 It is admitted in the drying converter and carries out drying and processing, 6-7 hours, drying temperature was 130 DEG C, described after drying and processing Waste active carbon is further fed into the revived structure 7-1;When charging, the feeding quantity of the waste active carbon is 100t/h;
Step 3
The waste active carbon has the kiln tail of the i.e. described rotary kiln of the revived structure 7-1 to enter, first in first temperature It spends area and carries out the pre-heat treatment, preheating time is 3-4 hour, and preheating temperature is 200-600 DEG C, described in default processing stage A part of organic matter boiling for adsorbing on waste active carbon, vaporization desorption, a part of organic matter are decomposed reaction, generation small molecule Hydrocarbon is desorbed out;After the pre-heat treatment, the waste active carbon enters the second temperature area and carries out activating and regenerating, and activation is again The raw time is 2.5-3 hours, and activating and regenerating temperature is 1000-1050 DEG C, CO2, vapor admixture activation gas is to the useless work Property charcoal activated, clear up activated carbon capillary, activate reaming, make absorption larger molecular organics desorption, make its restore adsorptivity Can, the waste active carbon is converted into regenerated carbon;
Step 4
The regenerated carbon is cooled down by inputting and being admitted in the cooling structure 9-1 in the rotary kiln Reason, after cooling, the regenerated carbon is further fed into finishing room 11-1 in order to subsequent bag distribution packaging;
And tail gas is mainly CO, H2, organic gas product in the rotary kiln, is gone forward side by side from the discharge of the kiln tail of the rotary kiln Enter in the burning structure 12-1 and carry out full combustion, and is converted to CO2, vapor admixture activation gas;
The regenerated carbon product quality that the present embodiment produces is higher, and performance test results show its absorption property It is up to standard, 108% or so of former active carbon can be reached for, charcoal damage 17% or so, energy consumption is moderate, when high-volume regenerated carbon, can adopt With the production technology.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope 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 packet It includes
Feeding structure, the transmitting assembly including being mounted with the feed bin (1-1) of waste active carbon and for transmitting the waste active carbon;
Drying structure (3-1), is connected to the feeding structure, carries out drying and processing to the waste active carbon being admitted to;
Revived structure (7-1) is connected to the drying structure (3-1), is activated to the waste active carbon being admitted to, The revived structure (7-1) has close to feed end setting for the first humidity province of pre-heating temperature elevation and is arranged close to discharge end The second temperature area for activating and regenerating, be equipped with burning spray gun (8-1) in the revived structure (7-1);
Cooling structure (9-1) regenerates at the discharge end of the revived structure (7-1) to by the revived structure (7-1) The regenerated carbon exported afterwards is cooled down;And
Burning structure (12-1) is set between the revived structure (7-1) and the drying structure (3-1), is tied to the regeneration Gas after structure (7-1) discharge carries out full combustion, the inlet end and the revived structure (7-1) of the burning structure (12-1) Outlet side connection, the outlet side of the burning structure (12-1) is connect with the inlet end of the drying structure (3-1);
Wherein, the regeneration of the first group of outlet side of the burning structure (12-1) of generating apparatus and N group generating apparatus again again The second temperature area of structure (7-1) is connected to, the N group again the outlet end of the burning structure (12-1) of generating apparatus and The N-1 group again the revived structure (7-1) of generating apparatus the second temperature area connection.
2. regenerating active carbon system according to claim 1, it is characterised in that: the outlet side of the burning structure (12-1) It is provided with threeway air pressure valve (13-1), the first interface and the burning structure (12-1) of the threeway air pressure valve (13-1) Outlet side connection, second interface is connected to the drying structure (3-1) with group, the regeneration of third interface and another group Structure (7-1) connection.
3. regenerating active carbon system according to claim 1, it is characterised in that: the burning structure (12-1) and the baking Stem structure (3-1), the revived structure (7-1) are connected using high-temperature resistant pipeline;The high-temperature resistant pipeline is corundum ceramic pipeline.
4. regenerating active carbon system according to claim 1, it is characterised in that: the revived structure (7-1) is set as turning round Kiln, the kiln tail of the rotary kiln are equipped with first humidity province, and the kiln hood of the rotary kiln is equipped with the second temperature area, described Burning spray gun is equipped at kiln hood.
5. regenerating active carbon system according to claim 1, it is characterised in that: the fuel in the burning spray gun (8-1) For natural gas, diesel oil or heavy oil.
6. regenerating active carbon system according to claim 1, it is characterised in that: the drying structure (3-1) is set as drying The discharge end of converter, the drying converter is additionally provided with dust-extraction unit;The dust-extraction unit include cyclone dust removal separator (4-1) and Chimney (5-1).
7. the regeneration method of active carbon based on regenerating active carbon system as claimed in any one of claims 1 to 6, it is characterised in that:
Step 1
Revived structure (7-1) igniting, the fuel to burn in burning spray gun (8-1), the heat generated after burning tie the regeneration Structure (7-1) is preheated, and is entered burning structure (12-1) and carried out full combustion;Gas part after burning enters drying knot Structure, another part enter the revived structure (7-1) of another group of generating apparatus again as activated gas;
Step 2
Waste active carbon is admitted to the drying structure by feeding structure and carries out drying and processing, and by the waste active carbon after processing It is sent into the revived structure (7-1);
Step 3
The waste active carbon is first admitted to the first humidity province of the revived structure (7-1), carries out in first humidity province pre- Heat treatment is preset and the waste active carbon is sent into the second temperature area after being disposed, lives in the second temperature area Change processing, the waste active carbon are converted into regenerated carbon;
Step 4
Regenerated carbon is sent into the cooling structure (9-1) and carries out cooling treatment, by the regeneration activity after being disposed Charcoal is sent into finishing room (11-1).
8. regeneration method of active carbon according to claim 7, it is characterised in that: in step 3, first humidity province Preheating temperature be 200-600 DEG C, preheating time be 2-5 hours.
9. regeneration method of active carbon according to claim 7, it is characterised in that: in step 3, the second temperature area Activation temperature be 900-1050 DEG C, preheating time be 2-3 hours;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, the waste active carbon Feeding quantity is 50-100t/h.
CN201610803600.0A 2016-09-06 2016-09-06 Regenerating active carbon system and regeneration method Active CN106378120B (en)

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CN107824171B (en) * 2017-12-07 2024-08-06 衢州市蓝天环保节能设备厂 Regeneration system and regeneration method of activated carbon
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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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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
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