CN105439142B - A kind of activated carbon preparation facilities - Google Patents

A kind of activated carbon preparation facilities Download PDF

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Publication number
CN105439142B
CN105439142B CN201510884361.1A CN201510884361A CN105439142B CN 105439142 B CN105439142 B CN 105439142B CN 201510884361 A CN201510884361 A CN 201510884361A CN 105439142 B CN105439142 B CN 105439142B
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activation
region
activated carbon
preparation facilities
furnace
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CN105439142A (en
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吴小飞
巴玉鑫
王惠惠
肖磊
张安强
贾懿曼
吴道洪
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Shenwu Technology Group Corp Co Ltd
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Beijing Shenwu Environmental and Energy Technology Co Ltd
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Abstract

The present invention relates to organic matter pyrolysis and technical field of active carbon, more particularly to a kind of activated carbon preparation facilities, including the burner hearth for closing that furnace wall, furnace roof and furnace bottom are surrounded, furnace bottom is moved along the horizontal-extending direction of furnace wall;Furnace bottom is fixedly arranged above one layer of overhead drapery panel;Burner hearth includes the dry section, char zone and the region of activation that are set gradually along the horizontal-extending direction of furnace wall, is separated by dividing plate between dry section, char zone and region of activation, space is left between dividing plate and drapery panel, for passing through for material;Multiple radiation heating tubes are equipped with dry section, char zone and region of activation;The oxidizing gas passage being in communication with the outside is provided with region of activation;The drapery panel top of dry section, char zone and region of activation is equipped with multiple turn-down rigs, for turning over materials.Activated carbon preparation facilities of the invention realizes continuous prodution and improves activation efficiency.

Description

A kind of activated carbon preparation facilities
Technical field
The present invention relates to organic matter pyrolysis and technical field of active carbon, more particularly to a kind of activated carbon preparation facilities.
Background technology
Activated carbon as a kind of porous carbonaceous material, with highly developed pore structure and special surface characteristic, It is a kind of excellent adsorbent, is widely used in environmental protection, chemical industry, food processing, hydrometallurgy, medicine refined and military The fields such as chemical protection.Carbonaceous organic material is carbonized under hundreds of degrees Celsius, then it is activated after can prepare activated carbon.
Prepare now in the technique of activated carbon, charing, activation process are all carried out in external heating type device, preparing During, gaseous product and substantial amounts of heat resource can not be utilized sufficiently, formed resource and greatly wasted.It is physically activated at present Method is the most wide method of adaptability to raw material, but existing physical activation method prepare activated carbon there are problems that it is following:(1) energy consumption Height, because activated carbon provides energy by high-quality coal combustion entirely in carbonization process, by factors such as imperfect combustion, deslagging exhausts Influence, the energy that coal combustion is provided only has energy absorptions of the 30-35% for course of reaction.(2) due to being heated in carbonization process The restriction of the factors such as inequality, temperature-rise period complexity, largely produces the product liquids such as tar, pyroligneous acid, causes the recovery of solid carbon Rate is low, general less than 60%.
The content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is to solve to prepare in the prior art the device of activated carbon to realize continuously Metaplasia is produced, the problem that energy consumption is big and activation effect is poor.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of activated carbon preparation facilities, including furnace wall, furnace roof and stove Bottom, the furnace wall, furnace roof and furnace bottom surround a burner hearth for closing, and the furnace bottom is transported along the horizontal-extending direction of the furnace wall It is dynamic;The furnace bottom is fixedly arranged above one layer of overhead drapery panel, for placing material;The burner hearth includes prolonging along the level of furnace wall Stretch dry section, char zone and region of activation that direction sets gradually, the dry section, between char zone and region of activation by dividing plate every Open, space is left between the dividing plate and the drapery panel, for passing through for material;The dry section, char zone and region of activation Multiple radiation heating tubes are inside equipped with, for heated material;The oxidizing gas being in communication with the outside are provided with the region of activation to lead to Road;The drapery panel top of the dry section, char zone and region of activation is equipped with multiple turn-down rigs;The turn-down rig includes connecting Extension bar and multiple stirring knives, one end of the connecting rod is fixed on the furnace wall, its other end and is connected with the stirring knife, is used for Turning over materials;The dry section, char zone and region of activation are respectively equipped with gas pipeline, for producing gas in material processing procedure Discharge.
Wherein, the furnace wall is provided with the support of above-below direction setting, and the connecting rod of the turn-down rig is fixed on described The setting position of support.
Wherein, it is rotatably connected between the stirring knife and the connecting rod, and each turn-down rig is equal in the burner hearth The corresponding control-rod being provided with the furnace wall, for overturning each stirring knife on the turn-down rig.
Wherein, the above and or below of the drapery panel is equipped with multiple radiation heating tubes, each described radiation heating tube It is equipped with independent temperature control system.
Wherein, the drapery panel is provided with multiple through holes, for being passed through oxidizing gas.
Wherein, many steam pipes are interval with the region of activation, and the steam pipe is provided with multiple passages.
Wherein, the steam pipe is located at the lower section of the drapery panel.
Wherein, it is fixed between the furnace bottom and drapery panel from drapery panel middle part to the inclined accumulated slag slide plate in furnace bottom edge, Furnace wall is provided with scum board, for removing the material on the accumulated slag slide plate.
Wherein, the dry section, char zone and region of activation are respectively connected with oxygen analyzer, for controlling dry section, char zone With the oxygen content of region of activation.
Wherein, the burner hearth is annular furnace.
(3) beneficial effect
Above-mentioned technical proposal of the invention has the following advantages that compared with prior art:Activated carbon preparation facilities of the invention Including dry section, char zone and region of activation, the pyrolysis activation preparation process of activated carbon is integrated in same device and is completed, can be with Realize continuous prodution.It is provided with turn-down rig to realize stirring material, accelerates the extent of reaction of material, improves activation effect Fruit and production efficiency.The atmosphere that dividing plate can completely cut off in regional is provided between each subregion, to ensure dry section and charcoal Change the anaerobic or low-oxygen environment in area.The gas of discharge can be carried after treatment as the fuel of radiation heating tube in regional High-energy utilization rate.
Brief description of the drawings
Fig. 1 is the top view of embodiment of the present invention activated carbon preparation facilities;
Fig. 2 be in Fig. 1 A-A to sectional view;
Fig. 3 is the front view of turn-down rig in the embodiment of the present invention;
Fig. 4 is the front view of control-rod in the embodiment of the present invention;
Fig. 5 is the right view of control-rod and turn-down rig assembled state in the embodiment of the present invention.
In figure:100:Dry section;200:Char zone;300:Region of activation;1:Furnace roof;2:Furnace bottom;3:Furnace wall;4:Drapery panel; 5:Turn-down rig;501:Connecting rod;502:Stirring knife;503:Support;504:Stirring swivel is opened one's mouth groove;505:Control-rod;506: Buckle ring set;507:Stirring knife bayonet socket;508:Fixing bolt;6:Radiation heating tube;7:Steam pipe;8:Accumulated slag slide plate;9:Scrape slag Plate;10:Seal groove.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is A part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As depicted in figs. 1 and 2, a kind of activated carbon preparation facilities provided in an embodiment of the present invention, including furnace wall 3, the and of furnace roof 1 Furnace bottom 2, furnace wall 3, furnace roof 1 and furnace bottom 2 surround a burner hearth for closing, and furnace bottom 2 is moved along the horizontal-extending direction of furnace wall 3.Tool Body ground, burner hearth is preferably annular furnace, the continuous prodution of material can be met using annular furnace, and body of heater occupation of land can be reduced again Area.Furnace bottom 2 is fixedly arranged above one layer of overhead drapery panel 4, for placing material;Burner hearth is included along the horizontal-extending of furnace wall 3 Dry section 100, char zone 200 and region of activation 300 that direction sets gradually, dry section 100, char zone 200 and region of activation 300 it Between separated by dividing plate, space is left between dividing plate and drapery panel 4, for passing through for material.Dry section 100, char zone 200 and work Change in area 300 and be equipped with multiple radiation heating tubes 6, for heated material;Specifically, the radiant heating being provided with char zone 200 The quantity of pipe 6 is the radiant heating being provided with 2~3 times of the quantity of radiation heating tube 6 being provided with dry section 100, region of activation 300 The quantity of pipe 6 is 1.5~2 times of the quantity of dry section radiation heating tube 6.The oxidisability being in communication with the outside is provided with region of activation 300 Gas passage.The top of drapery panel 4 of dry section 100, char zone 200 and region of activation 300 is equipped with multiple turn-down rigs 5;Specifically 2~5 turn-down rigs are respectively equipped with ground, dry section 100, char zone 200 and region of activation 300.Turn-down rig 5 includes connecting rod 501 and multiple stirring knives 502, one end of connecting rod 501 is fixed on furnace wall 3, its other end and is connected with stirring knife 502, for turning over Animal material;Dry section 100, char zone 200 and region of activation 300 are respectively equipped with gas pipeline, for being produced in material processing procedure The discharge of gas.Drive material plate to make material pass sequentially through dry section 100, char zone 200 and region of activation 300 when using to enter respectively Row treatment, the process time in each area can set according to actual needs.The temperature control of radiation heating tube 6 of dry section 100 At 80~180 DEG C;The temperature control of radiation heating tube 6 of char zone 200 is transported in char zone 200 at 120~800 DEG C along drapery panel 4 The temperature of the radiation heating tube 6 that dynamic direction sets gradually is raised successively, and the temperature of the radiation heating tube 6 of the front end of char zone 200 is 120 DEG C, the temperature of the radiation heating tube 6 of the end of char zone 200 is 800 DEG C, and the temperature of neighboring radiant-heating pipe 6 increases width successively Spend is 70 ± 20 DEG C.Carbonized material is set to be not less than 600 DEG C into the temperature of region of activation 300;The temperature of radiation heating tube 6 of region of activation 300 Degree control is at 650~1100 DEG C.The turning over materials of turn-down rig 5 is used in material processing procedure, and oxygen is passed through in region of activation 300 The property changed gas makes the material after charing complete activation.
Activated carbon preparation facilities provided in an embodiment of the present invention includes dry section 100, char zone 200 and region of activation 300, will The pyrolysis activation preparation process of activated carbon is integrated in same device and completes, it is possible to achieve continuous prodution, is provided with turn-down rig 5 Realization is stirred to material, accelerates the extent of reaction of material, improves activation effect and production efficiency.Between each subregion The atmosphere that dividing plate can completely cut off in regional is provided with, to ensure the anaerobic or low-oxygen environment of dry section 100 and char zone 200. The gas of discharge can improve capacity usage ratio after treatment as the fuel of radiation heating tube 6 in regional.
Further, as shown in figure 3, furnace wall 3 is provided with the support 503 of above-below direction setting, the connecting rod of turn-down rig 5 501 setting positions for being fixed on support 503.Specifically, connecting rod 501 can be fixed on by support 503 using fixing bolt 508 On, when needing to lift whole turn-down rig 5, the connecting rod 501 of mobile turn-down rig 5 after fixing bolt 508 is first unclamped, make it Along the upward sliding of support 503, reach setting position is connecting rod 501, then is fastened and fixed bolt 508.It is provided with above-below direction setting Support 503, regulation turn-down rig 5 be fixed on support 503 position can realize controlling contact of the turn-down rig 5 with material away from From, both can be used under emergency case lifting whole turn-down rig 5 and repaired, it is also beneficial to smooth after material reaction is finished Discharging.
Further, as shown in Figure 4 and Figure 5, it is rotatably connected between stirring knife 502 and connecting rod 501, and it is every in burner hearth The corresponding control-rod 505 being provided with furnace wall 3 of individual turn-down rig 5, for overturning each stirring knife on the turn-down rig 5 502.The rotation of stirring knife 502 can be directly controlled outside burner hearth by control-rod 505, certain stirring knife need not used When 502, stirring knife 502 can be rotated by 90 ° and pack up stirring knife 502, it is not necessary to stop the operating of whole device, accelerate production effect Rate.Specifically, one end that stirring knife 502 is connected with connecting rod 501 is movable built-in spin, stirring knife in the connecting rod 501 502 fixed positions are provided with stirring swivel and open one's mouth groove 504, and one end that control-rod 505 is located in burner hearth is provided with buckle ring set 506 and turns over Material knife bayonet socket 507.When that need not overturn stirring knife 502, control-rod 505 directly can be consolidated by the buckle ring set 506 of its end It is scheduled in connecting rod 501, when a certain stirring knife 502 needs to pack up, the stirring knife bayonet socket 507 on buckle ring set 506 is blocked Stirring knife 502, rightabout rotation is operated outside burner hearth by control-rod 505 along drapery panel 4, and now stirring knife bayonet socket 507 blocks Firmly stirring knife 502 and stirring knife 502 is driven to rotate together, until stirring knife 502 is packed up.
Specifically, the above and or below of drapery panel 4 is equipped with multiple radiation heating tubes 6, and each radiation heating tube 6 is equal It is provided with independent temperature control system.Specifically, when the width of drapery panel 4 is less than 2.4m, the same vertical cross-section in top of drapery panel 4 It is upper that single radiation heating tube 6 is set, when the width of drapery panel 4 is more than or equal to 2.4m, the same vertical cross-section in top of drapery panel 4 Two radiation heating tubes of upper setting.Drapery panel 4 be equipped with up and down multiple radiation heating tubes 6 can improve material reaction effect Rate, the quantity of radiation heating tube 6 temperature can be set according to needed for the reaction.Each radiation heating tube 6 is provided with independent temperature control It is more accurate that system processed can set material treatment temperature in each area, realizes optimal treatment effect.
Further, drapery panel 4 is provided with multiple through holes, for being passed through oxidizing gas.Specifically, drapery panel 4 is band There is the stainless steel plate of the circular hole that aperture is 1.5~2mm.Drapery panel 4 is provided with through hole and can realize that oxidizing gas are equal with material Even contact, the contact area of material and oxidizing gas, improve production efficiency, strengthen activation effect in increase activation process.
Further, many steam pipes 7 are interval with region of activation 300, and steam pipe 7 is provided with multiple passages.Tool Body ground, 16~20 steam pipes 7 are provided with region of activation 300, and each steam pipe 7 is provided with 8~15 passages, and passage Place is provided with tapered cap, prevents passage from being blocked by impurity.By steam pipe 7 to being passed through oxidizing gas in device, and can steam Steam pipe 7 is provided with multiple passages can make the oxidizing gas atmosphere in region of activation 300 more uniform.Specifically, steam pipe 7 Located at the lower section of drapery panel 4.Steam pipe 7 is conducive to oxidizing gas from the circular hole of the lower section of drapery panel 4 located at the lower section of drapery panel 4 Middle entrance, is in contact with material, the contact area of increase steam and material.Opened by adjusting the valve of each steam pipe 7 when using Degree control is passed through oxidizing gas amount, makes the amount of feeding of activation leading portion oxidizing gas for 30~200Kg/h, back segment is passed through oxygen The amount of feeding of the property changed gas is no more than 400Kg/h.
Further, it is fixed between furnace bottom 2 and drapery panel 4 from the middle part of drapery panel 4 to the accumulated slag of the edge tilt of furnace bottom 2 and is slided Plate 8, furnace wall 3 is provided with scum board 9, for removing the material on accumulated slag slide plate 8.Due to originals such as through hole or vibrations on drapery panel 4 Because the tiny material for dropping can be accumulated together by accumulated slag slide plate 8, when accumulated slag slide plate 8 moves to scum board 9, material is by scraping Slag plate 9 is removed.
Further, dry section 100, char zone 200 and region of activation 300 are respectively connected with oxygen analyzer, for controlling drying The oxygen content in area 100, char zone 200 and region of activation 300.The oxygen content of guarantee system is less than 0.2vol%, once find that oxygen contains Amount is exceeded, can be to being passed through inert gas replacement in corresponding region, untill oxygen content is up to standard.Further, furnace bottom 2 and furnace wall 3 Contact position can be provided with seal groove 10, to ensure to be hedged off from the outer world inside device.
Further, activated carbon preparation facilities provided in an embodiment of the present invention can also be filled including activated carbon misting cooling Put, for cooling down activated carbon.The activation charcoal temperature that region of activation 300 produces is higher, it can be entered by the way of misting cooling Row cooling, while the steam produced in cooling procedure can also again be passed through the work for activated carbon next time in region of activation 300 Change, improve the capacity usage ratio of activated carbon preparation facilities.
Clearly to embody the beneficial effect of the activated carbon preparation facilities of the embodiment of the present invention, one is additionally provided specifically Embodiment:
Be the somewhere coal sample treatment of 3~6mm to granularity, its main component include 3.12% full water, 2.04% water, 11.9% ash content, 33.42% volatile matter and 52.64% fixed carbon, are connected with 2 tons per hour of speed in a nitrogen atmosphere In continuous feeding activated carbon preparation facilities.Coal sample enters dry section 100 first, and the temperature of dry section 100 is set as 150 ± 30 DEG C, 1 hour coal sample drying time;Coal sample enters char zone 200 after the completion of drying, and the temperature of the radiation heating tube 6 of char zone 200 is along cloth The direction of motion of flitch 4 is set to 240 DEG C, 320 DEG C, 400 DEG C, 500 DEG C, 600 DEG C, 700 DEG C, 800 DEG C and 850 DEG C, charing successively The process time of area 200 is 45~60min, and coal sample is gradually pyrolyzed in char zone 200, produces the oil that temperature is 350~650 DEG C Gas by gas vent discharger outside;Carbonized material after charing enters region of activation 300, is 850 DEG C of radiation heating tubes 6 in temperature Under heating, carbonized material temperature is 780 DEG C, and the process time of region of activation 300 is 120min, and carbonized material is with steam in char zone 200 Effect, is obtained activated carbon, and activated carbon is obtained after further cooling and sorting.The yield of gained activated carbon is 19.7wt%, than Surface area is 803m2/ g, iodine sorption value is 622mg/g.
In sum, activated carbon preparation facilities provided in an embodiment of the present invention includes dry section 100, char zone 200 and lives Change area 300, the preparation of activated carbon is integrated in same device, it is possible to achieve continuous prodution.Be provided with turn-down rig 5 realize it is right Stirring for material, accelerates the extent of reaction of material, improves activation effect and production efficiency.Be provided between each subregion every The atmosphere that plate can completely cut off in regional, to ensure the anaerobic or low-oxygen environment of dry section 100 and char zone 200.Each area The gas discharged in domain can improve capacity usage ratio after treatment as the fuel of radiation heating tube 6.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It still may be used Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic; And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (10)

1. a kind of activated carbon preparation facilities, it is characterised in that:
Including furnace wall, furnace roof and furnace bottom, the furnace wall, furnace roof and furnace bottom surround a burner hearth for closing, and the furnace bottom is along described The horizontal-extending direction motion of furnace wall;
The furnace bottom is fixedly arranged above one layer of overhead drapery panel, for placing material;
The burner hearth includes the dry section, char zone and the region of activation that are set gradually along the horizontal-extending direction of furnace wall, the drying Separated by dividing plate between area, char zone and region of activation, space is left between the dividing plate and the drapery panel, for the logical of material Cross;
Multiple radiation heating tubes are equipped with the dry section, char zone and region of activation, for heated material;In the region of activation It is provided with the oxidizing gas passage being in communication with the outside;
The drapery panel top of the dry section, char zone and region of activation is equipped with multiple turn-down rigs;The turn-down rig includes Connecting rod and multiple stirring knives, one end of the connecting rod is fixed on the furnace wall, its other end and is connected with the stirring knife, uses In turning over materials;
The dry section, char zone and region of activation are respectively equipped with gas pipeline, the row for producing gas in material processing procedure Go out.
2. activated carbon preparation facilities according to claim 1, it is characterised in that:The furnace wall is provided with above-below direction setting Support, the connecting rod of the turn-down rig is fixed on the setting position of the support.
3. activated carbon preparation facilities according to claim 1, it is characterised in that:Between the stirring knife and the connecting rod It is rotatably connected, and the corresponding control-rod being provided with the furnace wall of each turn-down rig in the burner hearth, for turning over Turn each stirring knife on the turn-down rig.
4. activated carbon preparation facilities according to claim 1, it is characterised in that:The above and or below of the drapery panel Multiple radiation heating tubes are equipped with, each described radiation heating tube is equipped with independent temperature control system.
5. activated carbon preparation facilities according to claim 1, it is characterised in that:The drapery panel is provided with multiple through holes, For being passed through oxidizing gas.
6. activated carbon preparation facilities according to claim 5, it is characterised in that:Many steamings are interval with the region of activation Steam pipe, and the steam pipe is provided with multiple passages.
7. activated carbon preparation facilities according to claim 6, it is characterised in that:The steam pipe is located at the drapery panel Lower section.
8. activated carbon preparation facilities according to claim 1, it is characterised in that:It is fixed between the furnace bottom and drapery panel From drapery panel middle part to the inclined accumulated slag slide plate in furnace bottom edge, furnace wall is provided with scum board, for removing the accumulated slag slide plate Material.
9. activated carbon preparation facilities according to claim 1, it is characterised in that:The dry section, char zone and region of activation Oxygen analyzer is respectively connected with, for controlling dry section, char zone and the oxygen content of region of activation.
10. activated carbon preparation facilities according to claim 1, it is characterised in that:The burner hearth is annular furnace.
CN201510884361.1A 2015-12-03 2015-12-03 A kind of activated carbon preparation facilities Active CN105439142B (en)

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CN106276887A (en) * 2016-07-15 2017-01-04 湖州优谷农业科技有限公司 A kind of active carbon production equipment
CN112320799A (en) * 2020-11-05 2021-02-05 南京建当化工科技有限公司 Activated carbon activation treatment preparation system

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JP5084024B2 (en) * 2007-01-24 2012-11-28 富士フイルム株式会社 Activated carbon manufacturing method and waste film recycling system
CN202430011U (en) * 2011-10-25 2012-09-12 杭州星宇炭素科技有限公司 Rotary activation furnace for manufacturing activated carbon with by-product coal gas from sawdust by one-step method
CN103183345A (en) * 2011-12-28 2013-07-03 大连理工大学 Method for preparation of nitrogen doped activated carbon from chlorine-containing organic polymer waste
CN205258016U (en) * 2015-12-03 2016-05-25 北京神雾环境能源科技集团股份有限公司 Active carbon preparation facilities

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