CN106629726A - System and method for preparing activated carbon from sludge - Google Patents
System and method for preparing activated carbon from sludge Download PDFInfo
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- CN106629726A CN106629726A CN201611120186.XA CN201611120186A CN106629726A CN 106629726 A CN106629726 A CN 106629726A CN 201611120186 A CN201611120186 A CN 201611120186A CN 106629726 A CN106629726 A CN 106629726A
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Abstract
The invention discloses a system and method for preparing activated carbon from sludge. The system comprises a pyrolysis furnace, a multi-section furnace, a steam boiler and a carbon dioxide separator, wherein a pyrolysis carbon outlet of the pyrolysis furnace is connected with a pyrolysis carbon inlet of the multi-section furnace; a water vapor outlet of the steam boiler is connected with a gas inlet of the multi-section furnace; a burner smoke gas outlet of the pyrolysis furnace is connected with a smoke gas inlet of the carbon dioxide separator; a carbon dioxide outlet of the carbon dioxide separator is connected with a gas inlet of the multi-section furnace. According to the method, the system is used, and the sludge is used as a raw material for preparing the activated carbon. The system and the method for preparing the activated carbon provided by the invention have the advantages that the structure is simple; the operation is convenient; the problems of pipeline blockage, heavy dust and poor pyrolysis effect are solved; the system energy consumption is low; no toxic or harmful gas is generated.
Description
Technical field
The invention belongs to activated carbon preparing technical field, is specifically related to one kind and prepares activated carbon by raw material of domestic sludge
System and method.
Background technology
Domestic sludge and other viscosity carbonaceous materials (such as oil field oiliness sludge, mud containing mine dust, industrial sludge, dangerous waste liquid)
Thermochemical study (as carbonization, pyrolysis, gasification) solid-state, liquid and gaseous products can be produced, these products are made on demand can
Recovery, easily utilization, easily transport and the energy form of easy storage, can heat supply generating or the raw material as chemical industry and other industries.Root
The difference of different and heat treatment purpose according to raw material, can be anti-using carbonization, gasification, pyrolysis, liquefaction or other related heat chemistrys
Should and technique.If with domestic sludge as raw material, after Jing carbonizations fuel-displaced, gas and solid carbon can be produced, part substitute coal, oil,
The resources such as natural gas.But, in order to ensure economic benefit, it is still desirable to develop technique road suitable to life pyrolyzing sludge phase
Line.
At temperatures of some hundreds of degrees celsius through charing, reactivation can prepare activated carbon to the material of carbon containing.Activated carbon is one
It is in black to plant the outward appearance by made by contenting carbon material, and internal pore structure is flourishing, specific surface area is big, a class crystallite of high adsorption capacity
Matter carbon materials.There are a large amount of invisible micropores in absorbent charcoal material.Activated carbon be mainly used in remove water in pollutant,
Decolouring, filtration, purification liquid, gas, are additionally operable to the purified treatment to air, waste gas recovery (such as to gas in chemical industry
The recovery of " benzene "), the recovery of precious metal and refine (such as to the absorption of gold), the dusty gas first distributed in room air
The volatilization gas suction-operated such as aldehyde, benzene, ammonia, toluene is preferable.The pyrolytic carbon that pyrolysis sludge is produced has highly developed hole knot
Structure and the surface negative charge added, but gap is very remote compared with the adsorption capacity of activated carbon, uses as activated carbon, need into
One step is activated.
However, the system presence for preparing activated carbon at present prepares activated carbon leading portion pyrolytic process line clogging, dust weight, heat
The problems such as solution effect difference, also presence prepares activated-carbon device high energy consumption, serious heat loss, prepares that activated carbon is inferior to ask
Topic, and toxic and harmful can be produced in process of production.
The content of the invention
In order to solve the above problems, the present invention proposes that a kind of combine pyrolysis oven and multi-stage oven is lived with the preparation of dirty mud as a raw material
Property charcoal system and method, it is poor to solve the problems, such as to occur in pyrolytic process line clogging, dust weight, pyrolysis effect, is entirely
System energy consumption is low, heat waste is few, prevents the generation of toxic and harmful.
An object of the present invention is to provide the system that a kind of sludge prepares activated carbon, including：Pyrolysis oven, multi-stage oven, steaming
Boiler furnace and carbon dioxide separator；
The pyrolysis oven includes pyrolysis feed entrance, pyrolytic carbon outlet, pyrolysis oil gas vent, burner and rotatable Sheng
Sale at reduced prices, the burner includes fuel gas inlet and exhanst gas outlet, and the burner is located at the top of the pyrolysis oven, described to hold
Disk is located at the bottom of the pyrolysis oven；
The multi-stage oven includes the outlet of pyrolytic carbon entrance, gas access and activated carbon；
The steam boiler includes steam outlet；
The carbon dioxide separator includes smoke inlet and carbon dioxide outlet；
The pyrolytic carbon entrance of the pyrolytic carbon outlet connection multi-stage oven of the pyrolysis oven, the vapor of the steam boiler
The gas access of the outlet connection multi-stage oven, the exhanst gas outlet of the burner connects the flue gas of the carbon dioxide separator
Entrance, the carbon dioxide outlet of the carbon dioxide separator connects the gas access of the multi-stage oven.
Pyrolysis oven is used for the pyrolysis of sludge, and pyrolysis feed is uniformly laid on into after pyrolysis oven and holds on disk, pyrolysis feed
Relative to holding, disk is static, and time of the pyrolysis feed in pyrolysis oven is controllable.
Used as preferred embodiments of the present invention, the burner includes multiple parallel and equally distributed heat accumulating type radiation
Pipe.Each heat accumulation type radiant tube internal-combustion atmosphere is completely separated with the pyrolysis atmosphere in the pyrolysis oven burner hearth.
Inventor has found, with dirty mud as a raw material, pyrolysis oven and multi-stage oven is combined, with vapor and carbon dioxide as activation
Agent, obtained activated carbon surface product is moderate, and pore size distribution is uniform.
Further, system of the invention also includes dryer, and the dryer includes that sludge inlet and block material are exported,
The block material outlet connects the pyrolysis feed entrance of the pyrolysis oven.
As preferred scheme, the system also include cooling separator, the cooling separator include pyrolysis oil gas entrance,
Pyrolysis gas outlet and pyrolytic behavior are exported, and the pyrolysis oil gas of the pyrolysis oil gas vent connection cooling separator of the pyrolysis oven enters
Mouthful, the pyrolysis gas outlet of the cooling separator connects the fuel gas inlet of the burner.
Further, system of the invention includes oil water separator, and the oil water separator includes pyrolytic behavior entrance, pyrolysis
Oil export and pyrolysis water out, the pyrolytic behavior entrance of the pyrolytic behavior outlet connection oil water separator of the cooling separator.
Further, the steam boiler in system includes fuel inlet and water inlet, the pyrolysis of the oil water separator
Oil export connects the fuel inlet of the steam boiler, and the pyrolysis water out of the oil water separator connects the steam boiler
Water inlet.
Used as preferred embodiments of the present invention, the system also includes heater, and the heater includes gas access and gas
Outlet, the steam outlet of the steam boiler and the carbon dioxide outlet of carbon dioxide separator connect the gas of the heater
Body entrance, the gas vent of the heater connects the gas access of the multi-stage oven.
It is a further object of the present invention to provide a kind of method that activated carbon is prepared with dirty mud as a raw material using above-mentioned system,
Comprise the following steps：
A, pyrolysis feed is sent into the pyrolysis oven carry out pyrolysis processing, obtain pyrolytic carbon and pyrolysis oil gas；
B, the pyrolytic carbon is sent into the multi-stage oven, vapor, the carbon dioxide point are produced by the steam boiler
Carbon dioxide is isolated in the flue gas produced from burner from device, the vapor and carbon dioxide are sent into multi-stage oven to described
Pyrolytic carbon is activated, and obtains activated carbon.
Further, step is also included before step A：Drying and processing is carried out to sludge, pyrolysis feed is obtained.
Preferably, the method for the present invention also includes step：The pyrolysis oil pneumatic transmission is entered into the cooling separator is carried out point
From, pyrolysis gas and pyrolytic behavior are obtained, the pyrolysis gas are sent into the burner combustion of the pyrolysis oven；The pyrolytic behavior is sent into
Oil water separator is separated, and obtains pyrolysis oil and pyrolysis water；The pyrolysis oil is sent into the steam boiler to be burnt, will
The pyrolysis water sends into the steam boiler heating, obtains vapor.
Specifically, the vapor and carbon dioxide are sent into heater in step B to be heated, after heating
Vapor and carbon dioxide send into the multi-stage oven.
The present invention prepares the system and method for activated carbon with dirty mud as a raw material, solves and prepares activated carbon leading portion pyrolytic process
Middle line clogging, dust weight, the problem of pyrolysis effect difference；Solve and prepare activated-carbon device high energy consumption, serious heat loss, system
The inferior problem of standby activated carbon；Whole process is simple, easy to operate, it can be ensured that the stability of operation, whole system prevents to have
Malicious pernicious gas is produced；The pyrolysis gas for obtaining will be separated as fuel supplied burner, realize that heat is confessed；Effectively reduce pyrolysis
Tar content in charcoal, so as to be conducive to follow-up multi-stage oven to prepare activated carbon.
Description of the drawings
Fig. 1 is the system schematic of the embodiment of the present invention；
Fig. 2 is the flow chart that inventive embodiments prepare active carbon method.
Specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in more details, so as to energy
Enough more fully understand the advantage of the solution of the present invention and its various aspects.However, specific embodiments described below and enforcement
Example is only descriptive purpose, rather than limitation of the present invention.
Inventor has found, with dirty mud as a raw material, by using the internal pyrolysis oven that heat accumulation type radiant tube is set with it is existing
Multi-stage oven directly carries out combination and prepares activated carbon, and without the need for transforming existing multi-stage oven, you can will produce in pyrolysis oven
Pyrolytic carbon deliver to multi-stage oven carry out activation produce activated carbon.With vapor and carbon dioxide as activator, obtained activated carbon
Surface area is moderate, and pore size distribution is uniform.
As shown in Figure 1, on the one hand, the embodiment of the present invention provides the system that a kind of sludge prepares activated carbon, including：Dryer
100th, pyrolysis oven 200, cooling separator 300, oil water separator 400, steam boiler 500, carbon dioxide separator 600, heating
Device 700 and multi-stage oven 800.
Dryer 100 is dried domestic sludge to the block material of suitable pyrolysis oven process, so as to ensure that pyrolysis oven normally connects
Reforwarding turns, and improves pyrolysis efficiency.Dryer 100 includes sludge inlet 101 and block material outlet 102.
Pyrolysis oven 200 includes pyrolysis feed entrance 201, pyrolytic carbon outlet 202, pyrolysis oil gas vent 203, burner 204
Disk 205 is held with rotatable.Pyrolysis feed entrance 201 is arranged on the top of pyrolysis oven 200, exports with the block material of dryer
102 connections.
More traditional use gas heat carrier or solid thermal carriers are compared as the pyrolytic reaction device of pyrolysis thermal source, this
The pyrolysis oven of bright embodiment need not arrange preheating unit and carrier separative element, can greatly simplify pyrolysis and priming reaction work
Skill flow process, so as to significantly reduce the fault rate of device.
Multiple pyrolysis oil gas vents 203 are arranged on the top of pyrolysis oven 200.Can individually be opened according to the yield of pyrolysis oil gas
Certain or multiple pyrolysis oil gas vents are opened, stablizing for pyrolysis oven furnace pressure during oil-producing gas is realized.Whole pyrolysis oven is adopted
Water seal, pyrolysis oven pyrolysis feed entrance is sealed using two-stage Starlike valve, it is ensured that material is carried out under oxygen-free atmosphere in whole burner hearth
Pyrolysis, while so that the time of staying of the pyrolysis gas in whole burner hearth more than 3s, it is to avoid generation dioxins materials.
Burner 204 includes fuel gas inlet 206 and exhanst gas outlet 207.Burner 204 is located at the top of pyrolysis oven 200, with
Just pyrolysis feed is heated.The top of burner 204 is located on the pyrolysis vertical direction of oil gas vent 203.Burner 204 is wrapped
Include multiple parallel and equally distributed heat accumulation type radiant tube.Each heat accumulation type radiant tube internal-combustion atmosphere and the pyrolysis oven
Pyrolysis atmosphere in burner hearth is completely separated, it is ensured that pyrolysis oil gas has higher calorific value, while effectively inhibiting poisonous and harmful
The generation of gas.
Due to adopting heat accumulation type radiant tube to provide thermal source for pyrolytic process in pyrolysis oven 200, storage can be passed through by adjustment
The flow of the combustion gas of hot type radiant tube realizing the accurate temperature controlling to pyrolytic process, and the heat accumulation type radiant tube can by
Quick commutation and heat storage type combustion are realized in two ends, it is ensured that the uniformity in temperature field in domestic sludge pyrolysis oven, such that it is able to notable
Improve the pyrolysis efficiency of sludge.Normal temperature air temperature highest can be brought up to 450 DEG C by regenerative radiant tube burner, while burning
The flue-gas temperature of generation can be down to less than 120 DEG C.
Disk 205 is held positioned at the bottom of pyrolysis oven 200.Disk 205 is held for holding pyrolysis feed, the disk that holds of rotation can
Ensure the thermally equivalent of pyrolysis feed.Pyrolysis feed is relative to hold disk transfixion, it is to avoid the product of flying dust in pyrolytic process
It is raw.
The pyrolysis oven of the embodiment of the present invention can solve to enter with pyrolysis gas using fraction solids Logistics during other pyrolysis installations
Entering pipeline and dust pelletizing system causes to block the problem with dust weight, while solving the loss of solid can take away partial heat, leads
Pyrogenicity loses serious problem.Conventional pyrolysis installation, the time of staying of the solid in pyrolysis installation difficult control, causes part heat
Also thoroughly just from discharging opening discharge, can there is more tar in pyrolysis to solution charcoal in pyrolytic carbon, and tar exists for subsequent thermal
Solution charcoal activation increases difficulty, reduces the specific surface area of activated carbon.There are no these in the pyrolysis oven of the embodiment of the present invention.
Cooling separator 300 includes pyrolysis oil gas entrance 301, pyrolytic behavior outlet 302 and pyrolysis gas outlet 303.Pyrolysis oven
The connection cooling separator pyrolysis of pyrolysis oil gas vent 203 oil gas entrance 301, the connection of cooling separator pyrolysis gas outlet 303 institute
State burner fuel gas inlet 206.Cooling separator 300 includes indirect cooler, electrical tar precipitator, devulcanizer and deammoniation tower.Heat
The pyrolysis gas mixture that solution is produced, obtaining pyrolysis gas burning by Oil-gas Separation can provide heat for pyrolysis oven pyrolysis.
Oil water separator 400 includes pyrolytic behavior entrance 401, pyrolysis oil export 402 and pyrolysis water out 403.Refrigerated separation
Device pyrolytic behavior outlet 302 connects oil water separator pyrolytic behavior entrance 401.Activation is obtained by the way that oil water separator 400 is separable instead
Activator that should be required and water required thermal source oil, without the need for outer for a large amount of thermals source and water, and then can solve existing system
Standby activated carbon system operating cost is high, the problem of complex process.
Steam boiler 500 includes fuel inlet 501, water inlet 502 and steam outlet 503.Oil water separator pyrolysis oil
Outlet 402 connects steam boiler fuel inlet 501, the oil water separator pyrolysis connection steam boiler of water out 403 water inlet 502.
Pyrolysis oil heating pyrolysis water of the steam boiler 500 after separation, the vapor obtained after heating sends into back segment by conveyance conduit.
Carbon dioxide separator 600 includes smoke inlet 601 and carbon dioxide outlet 602.The flue gas of pyrolysis burner
Outlet 207 connects the smoke inlet 601 of carbon dioxide separator.Carbon dioxide separator 600 is used for the titanium dioxide in flue gas
Carbon is separated and delivers to back segment.
Heater 700 includes gas access 701 and gas vent 702, steam boiler steam outlet 503 and carbon dioxide
The connection heater air of separator carbon dioxide outlet 602 entrance 701.Heater 700 is used for the waste heat of gas, reaches gas
Multi-stage oven activates desired reaction temperature.So as to greatly improve heat utilization efficiency, so as to reducing energy consumption.In the embodiment of the present invention, heating
Device 700 is storage heater.
Multi-stage oven 800 includes pyrolytic carbon entrance 801, gas access 802 and activated carbon outlet 803.Pyrolysis oven pyrolytic carbon goes out
Mouth 202 connects multi-stage oven pyrolytic carbon entrances 801, and heater air outlet 702 connects multi-stage oven gas accesses 802.Multi-stage oven 800
Pyrolytic carbon can be carried out activation process, so as to obtain activated carbon.Inventor has found, by hot by what is produced in pyrolyzing sludge stove
The direct heat of pyrolytic carbon delivers to multi-stage oven top and the reaction of activator counter current contacting, can not only guarantee that multi-stage oven directly prepares activity
Charcoal, and capacity usage ratio can be significantly improved, and be conducive to the stability of the preparation activated carbon system.
As shown in Fig. 2 on the other hand, embodiment of the present invention offer is a kind of to be prepared using above-mentioned system with dirty mud as a raw material
The method of activated carbon, comprises the following steps：
1st, sludge drying：Domestic sludge is delivered in feeding dryer, domestic sludge can be dried to moisture content and is less than
46%, obtain pyrolysis feed.
2nd, charging feedstock：Pyrolysis feed is sent into pyrolysis oven, holding on disk, thickness of feed layer is material uniform distribution
100-200mm。
3rd, displacement and air-leakage test：Guarantee entirely to prepare the unlatching of activated carbon system internal valves, each equipment is communicated, to
System one end is passed through a certain amount of nitrogen or vapor, and whole system is entered into line replacement, air in system of draining, and shuts vent valve,
Guarantee that the air-tightness of whole system is good.
4th, it is pyrolyzed：Pyrolysis feed is carried out into pyrolysis processing in pyrolysis oven, pyrolytic carbon and pyrolysis oil gas is obtained.
5th, Oil-gas Separation：Pyrolysis oil pneumatic transmission is entered into cooling separator to be separated, pyrolysis gas and pyrolytic behavior is obtained, will be pyrolyzed
Pneumatic transmission enters the burner combustion of pyrolysis oven.
6th, water-oil separating：Pyrolytic behavior feeding oil water separator is separated, pyrolysis oil and pyrolysis water is obtained.
7th, prepared by vapor：Isolated pyrolysis water and pyrolysis oil are sent into steam boiler, is filled with pyrolysis oil direct combustion
Put and heated to being pyrolyzed water, 180 DEG C of Low pressure steam is obtained.
8th, carbon dioxide separation：The flue gas that pyrolysis burner is produced is sent into carbon dioxide separator, flue gas is isolated
In carbon dioxide.
9th, gas preheating：The vapor for obtaining and carbon dioxide are passed through in heater and are heated, gas temperature is carried
Height reaches multi-stage oven activation desired reaction temperature to 700～900 DEG C.
10th, activated carbon is prepared：Gas after pyrolytic carbon and heating is sent into multi-stage oven, pyrolytic carbon is activated, obtained
Activated carbon.
Embodiment
With domestic sludge as raw material, carried out using domestic sludge preparation activated carbon system as follows the step of prepared by activated carbon：
(1) domestic sludge of 12 tons of moisture content about 80% is carried out into drying and processing, obtains pyrolysis of the moisture content less than 46%
Raw material；
(2) pyrolysis feed feeding pyrolysis oven is pyrolyzed, holding on disk, thickness of feed layer is material uniform distribution
100mm.Pyrolysis obtains pyrolytic carbon temperature for 560 DEG C, and pyrolysis oil temperature degree is 650 DEG C, and the pyrolytic carbon for producing is sent into multi-stage oven；
(3) the pyrolysis oil pneumatic transmission that pyrolysis is produced is entered into cooling separator to be separated and purified, so as to obtain the heat of cleaning
Vent one's spleen and pyrolytic behavior；
(4) isolated pyrolysis gas are sent into burner and is burnt, burner adopts heat-storage type burner, can be by
Normal temperature air temperature highest brings up to 350 DEG C；
(5) isolated pyrolytic behavior is sent into oil water separator and is separated, pyrolysis oil and pyrolysis water are obtained respectively；
(6) pyrolysis oil and pyrolysis water are sent into steam boiler plant, is that the heat supply of pyrolysis water obtains water with pyrolysis oil direct combustion
Steam；
(7) flue gas for producing burner sends into carbon dioxide separator, isolates the carbon dioxide in flue gas；
(8) carbon dioxide that the vapor and step (7) for obtaining step (6) is obtained is sent into heater and is heated, will
Gas after heating sends into multi-stage oven；
(9) pyrolytic carbon that the gas that will be obtained in step (8) is obtained with step (2) is in the reverse haptoreaction system of multi-stage oven
Activated carbon is obtained, multi-stage oven reaction temperature is controlled at 860 DEG C.
Process of the present invention can long-term smooth operation, above-mentioned domestic sludge prepares the yield of activated carbon and its main
Property is shown in Table 1.
Table 1
It should be noted that each embodiment above by reference to described by accompanying drawing is only to illustrate rather than restriction originally
The scope of invention, it will be understood by those within the art that, it is right under the premise without departing from the spirit and scope of the present invention
Modification or equivalent that the present invention is carried out, all should cover within the scope of the present invention.Additionally, indication unless the context
Outward, the word for occurring in the singular includes plural form, and vice versa.In addition, unless stated otherwise, then any embodiment
All or part of can with reference to any other embodiment all or part of using.
Claims (10)
1. the system that a kind of sludge prepares activated carbon, it is characterised in that include：Pyrolysis oven, multi-stage oven, steam boiler and titanium dioxide
Carbon separation unit；
The pyrolysis oven includes pyrolysis feed entrance, pyrolytic carbon outlet, pyrolysis oil gas vent, burner and rotatable holds
Disk, the burner includes fuel gas inlet and exhanst gas outlet, and the burner is located at the top of the pyrolysis oven, described to hold disk
Positioned at the bottom of the pyrolysis oven；
The multi-stage oven includes the outlet of pyrolytic carbon entrance, gas access and activated carbon；
The steam boiler includes steam outlet；
The carbon dioxide separator includes smoke inlet and carbon dioxide outlet；
The pyrolytic carbon entrance of the pyrolytic carbon outlet connection multi-stage oven of the pyrolysis oven, the steam outlet of the steam boiler
Connect the gas access of the multi-stage oven, the flue gas of the exhanst gas outlet connection carbon dioxide separator of the burner enters
Mouthful, the carbon dioxide outlet of the carbon dioxide separator connects the gas access of the multi-stage oven.
2. system according to claim 1, it is characterised in that further include dryer, the dryer includes sludge
Entrance and block material are exported, and the block material outlet connects the pyrolysis feed entrance of the pyrolysis oven.
3. system according to claim 1, it is characterised in that further include cooling separator, the cooling separator
Including pyrolysis oil gas entrance, pyrolysis gas outlet and pyrolytic behavior outlet, the pyrolysis oil gas vent of the pyrolysis oven connects the cooling
The pyrolysis oil gas entrance of separator, the pyrolysis gas outlet of the cooling separator connects the fuel gas inlet of the burner.
4. system according to claim 3, it is characterised in that further include oil water separator, the oil water separator
Including pyrolytic behavior entrance, pyrolysis oil export and pyrolysis water out, the pyrolytic behavior outlet connection profit of the cooling separator
The pyrolytic behavior entrance of separator.
5. system according to claim 4, it is characterised in that the steam boiler includes fuel inlet and water inlet, institute
The pyrolysis oil export for stating oil water separator connects the fuel inlet of the steam boiler, the pyrolysis water out of the oil water separator
Connect the water inlet of the steam boiler.
6. system according to claim 1, it is characterised in that further include heater, the heater includes gas
Described in entrance and gas vent, the steam outlet of the steam boiler and the carbon dioxide outlet connection of carbon dioxide separator
The gas access of heater, the gas vent of the heater connects the gas access of the multi-stage oven.
7. the method that a kind of arbitrary described system of utilization claim 1～6 prepares activated carbon, it is characterised in that including following
Step：
A, pyrolysis feed is sent into the pyrolysis oven carry out pyrolysis processing, obtain pyrolytic carbon and pyrolysis oil gas；
B, the pyrolytic carbon is sent into the multi-stage oven, vapor, the carbon dioxide separator are produced by the steam boiler
Carbon dioxide is isolated in the flue gas produced from burner, the vapor and carbon dioxide are sent into multi-stage oven to the pyrolysis
Charcoal is activated, and obtains activated carbon.
8. method according to claim 7, it is characterised in that also include step before step A：Sludge is dried
Dry-cure, obtains pyrolysis feed.
9. method according to claim 7, it is characterised in that also including step：The pyrolysis oil pneumatic transmission is entered described cold
But separator is separated, and obtains pyrolysis gas and pyrolytic behavior, and the pyrolysis gas are sent into the burner combustion of the pyrolysis oven；Will
The pyrolytic behavior is sent into oil water separator and is separated, and obtains pyrolysis oil and pyrolysis water；The pyrolysis oil is sent into the steam
Boiler is burnt, and the pyrolysis water is sent into the steam boiler heating, obtains vapor.
10. method according to claim 7, it is characterised in that send the vapor and carbon dioxide in step B
Enter heater to be heated, the vapor after heating and carbon dioxide are sent into the multi-stage oven.
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| CN201611120186.XA CN106629726A (en) | 2016-12-08 | 2016-12-08 | System and method for preparing activated carbon from sludge |
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| CN201611120186.XA CN106629726A (en) | 2016-12-08 | 2016-12-08 | System and method for preparing activated carbon from sludge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107720749A (en) * | 2017-10-28 | 2018-02-23 | 洛阳建材建筑设计研究院有限公司 | A kind of apparatus and method that activated carbon and haydite are produced using sludge |
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| CN101391766A (en) * | 2008-10-21 | 2009-03-25 | 广西大学 | Method for preparing active carbon from pulping paper mill sludge |
| CN103241737A (en) * | 2013-05-29 | 2013-08-14 | 广西大学 | Sludge bagasse active carbon and preparation method thereof |
| CN104787762A (en) * | 2015-04-20 | 2015-07-22 | 北京神雾环境能源科技集团股份有限公司 | Method and system for producing activated carbon through pyrolysis of water-bearing organic matter |
| CN206278922U (en) * | 2016-12-08 | 2017-06-27 | 北京神雾环境能源科技集团股份有限公司 | The system that a kind of sludge prepares activated carbon |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101391766A (en) * | 2008-10-21 | 2009-03-25 | 广西大学 | Method for preparing active carbon from pulping paper mill sludge |
| CN103241737A (en) * | 2013-05-29 | 2013-08-14 | 广西大学 | Sludge bagasse active carbon and preparation method thereof |
| CN104787762A (en) * | 2015-04-20 | 2015-07-22 | 北京神雾环境能源科技集团股份有限公司 | Method and system for producing activated carbon through pyrolysis of water-bearing organic matter |
| CN206278922U (en) * | 2016-12-08 | 2017-06-27 | 北京神雾环境能源科技集团股份有限公司 | The system that a kind of sludge prepares activated carbon |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107720749A (en) * | 2017-10-28 | 2018-02-23 | 洛阳建材建筑设计研究院有限公司 | A kind of apparatus and method that activated carbon and haydite are produced using sludge |
| CN107720749B (en) * | 2017-10-28 | 2023-09-19 | 洛阳建材建筑设计研究院有限公司 | Device and method for producing activated carbon and ceramsite by using sludge |
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