CN104098097B

CN104098097B - High-efficient vertical-pipe activation furnace

Info

Publication number: CN104098097B
Application number: CN201410373019.0A
Authority: CN
Inventors: 陈安江; 高基
Original assignee: HUAIBEI SENHUA CARBON ABSORBENT CO Ltd
Current assignee: HUAIBEI SENHUA CARBON ABSORBENT CO Ltd
Priority date: 2014-07-26
Filing date: 2014-07-26
Publication date: 2017-02-15
Anticipated expiration: 2034-07-26
Also published as: CN104098097A

Abstract

The invention discloses a high-efficient vertical-pipe activation furnace, relates to the field of activation furnaces, and solves the problems that the conventional vertical activation furnace is high in construction cost, large in energy consumption, high in maintenance cost and the like. According to the vertical-pipe activation furnace, a plurality of feed delivery pipes are fixed on a cover plate; steam pipes are equidistantly arranged on one side of a furnace body; airflow separating plates are arranged on one side opposite to the inner wall of the furnace body in a crossed manner; a plurality of high-temperature resistant stainless-steel vertical pipes are arranged inside the furnace body; air escape pipes are equidistantly arranged on both sides of each vertical pipe; each vertical pipe is equidistantly communicated with the steam pipes; movable blanking sealing plates are fixed at the lower ends of tremie pipes. The vertical-pipe activation furnace is simple in structure, low in construction cost, short in igniting and cease-fire period, small in energy consumption, convenient to maintain and durable.

Description

Efficiently vertical pipe type activation furnace

Technical field

The present invention relates to a kind of activation furnace field, more particularly to a kind of efficient vertical pipe type activation furnace.

Background technology

Activated carbon, as adsorbent, has extremely flourishing internal pore structure and larger specific surface area, being mainly used in The fields such as work, food, medicine, military affairs and environmental protection.In the equipment producing activated carbon, activation furnace is the equipment of non-the normally off key One of, the activation furnace that people use is generally horizontal rotary activation furnace and vertical activation furnace two big class.Protect with Environmental Shield requires more and more higher, particularly activated carbon the process of industrial wastewater, municipal sewage and thermal power generation flue gas is made right The demand of activated carbon is increasing, and this kind of low index activated carbon little to the adsorbance required for environmental protection typically by Vertical activation furnace is producing.As producing vertical activation furnace typically also known as Stepple furnace, because the refractory brick of its activation zone is horse Saddle, therefore also known as saddle stove, its major defect is：1st, invest greatly, the cost of one stove of construction is 2,600,000 yuans；2nd, new The light-off period of stove is long, needs the time of 20 days to 30 days；3rd, the cycle of ceasing fire is also very long, needs the time of 15 days；4th, the energy disappears Consumption is big, needs 150 tons of carbonized stock during igniting；5th, because the refractory brick of activation zone is heterotypic fire brick, heterotypic fire brick is relatively Yielding under high temperature for a long time, in the heterotypic fire brick after deformation, the activated carbon passage of relatively narrower also deforms therewith, so that Heterotypic fire brick after must deforming is scrapped；6th, the heterotypic fire brick changing deformation then needs to remove whole Stepple furnace, therefore maintenance Cost is very high；7th, build the complex process of saddle stove, need between the heterotypic fire brick reaching 10 meters because piling up height to keep relatively High precision, so time-consuming need to reach six months.

Additionally, Chinese invention patent specification disclosed a kind of " external heating vertical active carbon activation on January 21st, 2009 Stove " (notification number CN101475166A, application number 200910009778.8), its feature has：Inner core (16) and furnace wall (15) it Between be provided with outer tube (13), the lower end of this outer tube (13) is connected with reductor, motor (19) by travelling gear (18)；Outer tube flight And inner core flight (5) is in spiral distribution on the downside of outer tube heating plate (3) and inner core heating plate (6) respectively (4).This activation In place of stove Shortcomings it is：Need keep more than 800 DEG C in the case that outer tube and inner core all reach 6 to 7 meters of height and for a long time High temperature, especially outer barrel and an external barrel flight needs constantly to rotate under motor drive, therefore this external heating vertical active carbon activation Stove is very easy to cause outer barrel and an external barrel flight and inner core flight because at high temperature not during activated carbon is activated Rotate with stopping and deformation or the fracture of outer barrel and an external barrel flight and inner core flight occur, so this external heating vertical active carbon is lived Change and arise that outer barrel and an external barrel flight and the deformation of inner core flight after stove is constructed and put into operation or rupture and scrap, thus causing activated carbon Manufacturing enterprise builds the massive losses of stove investment.

Content of the invention

The invention aims to overcoming deficiency of the prior art, provide that a kind of structure is simple, construction cost is low, point Fire and truce cycle is short, energy resource consumption efficient vertical pipe type activation furnace few, durable in use and easy to maintenance.

For achieving the above object, the present invention provides a kind of efficient vertical pipe type activation furnace, and described activation furnace includes conveying pipeline, steaming Steam pipe, body of heater and combustion chamber, burning interior is provided with accompanies airduct, and body of heater upper end is provided with suction opeing, the wall of described body of heater periphery Internal layer and wall external layer are respectively fire brick layer and common brick wall layers, and described body of heater upper end is the lid being sealed to form by refractory brick Plate, cover plate is fixed with many conveying pipelines；It has been equidistantly positioned thermometer hole, the side of body of heater is equidistantly positioned outside described body of heater There is steam pipe；The relative side alternating expression setting splitter plate of described inboard wall of furnace body, in splitter plate three side and body of heater Wall is fixed, and another side of splitter plate is provided with gap with relative inboard wall of furnace body, splitter plate is provided with multiple The riser bore that standpipe passes through；It is provided with the standpipe of many high temperature resistant stainless steels, the upper end of every standpipe is socketed with described body of heater Conveying pipeline, the both sides of every standpipe have been equidistantly positioned excessive tracheae, and every standpipe is equidistant to be connected with steam pipe；Described body of heater Lower end is provided with discharge tray, and discharge tray is fixed with many tremie pipes；The upper end of described tremie pipe is socketed with standpipe, tremie pipe Lower end is fixed with activity blanking hush panel.

Described body of heater lumenal cross-section is positive square, and the length of side of body of heater inner chamber is 1.6 meters, and body of heater is high 7.5 meters；In body of heater It is provided with 48 standpipes.

The length of described standpipe is 6.1 meters, and the internal diameter of standpipe is 10 centimetres；Two sides of every standpipe are arranged every 1 meter Excessive tracheae, every standpipe is connected with steam pipe every 1 meter.

Described body of heater outer side edges arrange thermometer hole every 1 meter, and a side of body of heater arranges steam pipe every 1 meter.

Described splitter plate is 10 centimetres with the clearance distance of relative inboard wall of furnace body.

Described activity blanking hush panel is eccentric disk, and the side weight that activity blanking hush panel is located at tremie pipe lower end is less than Weight with respect to tremie pipe lower end opposite side.

Present invention has the advantages that：The efficient vertical pipe type activation furnace structure of the present invention is simple, installs easily, easy to operate； Investment is little, makes just up to more than 50 ten thousand yuan of heterotypic fire brick fee of material used by saddle stove because heterotypic fire brick price is high, 3.8 ten thousand yuan of 309S high temperature resistant stainless steel fee of materials per ton used in the present invention are more than 10 ten thousand yuan, so that whole activation furnace Construction cost be more than 20 ten thousand yuan, the cost of whole stove more than 200 needed for saddle stove ten thousand yuan much lower；The point of new stove Fiery cycle is short it is only necessary to 3 day time successfully in-furnace temperature can be raised to the standard of regulation；The truce cycle is also very short, only needs In-furnace temperature can be fallen by time in time that take 1 day；Energy resource consumption is low, only needs to 2 to 3 tons of carbonized stock during igniting, and The saddle furnace igniting phase needs 150 tons of carbonized stock；Because the diameter of every standpipe itself is less and be by resistant to elevated temperatures stainless steel material Make therefore be unlikely to deform, even if because standpipe is in vertical state so a part deformation neither affects activated carbon and exists in activation furnace Operation from top to bottom in standpipe, is also not result in the deformation of other standpipes, if certain serious damage of root standpipe in addition, changes Be convenient to, the application of therefore standpipe greatly reduce for heterotypic fire brick whole activation furnace maintenance frequency and Maintenance difficulty, thus decrease the maintenance cost of activation furnace；It is vertically arranged using standpipe in vertical activation furnace, building activation During stove, with respect to saddle stove, then difficulty is greatly reduced, and the duration can be reduced to one month about by six months of saddle stove.

Below in conjunction with the accompanying drawings the efficient vertical pipe type activation furnace of the present invention is described further.

Brief description

Fig. 1 is cut-away view of the present invention；

Fig. 2 is A-A cut-away view of the present invention.

In figure：1st, conveying pipeline, 2, combustion chamber, 3, body of heater, 4, steam pipe, 5, cover plate, 6, fire brick layer, 7, common brick wall layers, 8th, thermometer hole, 9, splitter plate, 10, standpipe, 11, riser bore, 12, overflow tracheae, 13, discharge tray, 14, tremie pipe, 15, activity Blanking hush panel, 16, accompany airduct, 17, suction opeing.

Specific embodiment

As shown in figure 1, the efficient vertical pipe type activation furnace of the present embodiment includes conveying pipeline 1, steam pipe 4, body of heater 3 and combustion chamber 2, it is provided with combustion chamber 2 and accompanies airduct 16, body of heater 2 upper end is provided with suction opeing 17, outside the body of wall internal layer of body of heater 3 periphery and body of wall Layer is respectively fire brick layer 6 and common brick wall layers 7, and body of heater 3 upper end is the cover plate 5 being sealed to form by refractory brick, and cover plate 5 is fixed with Many conveying pipelines 1；It has been equidistantly positioned thermometer hole 8, the side of body of heater 3 has been equidistantly positioned steam pipe 4 outside body of heater 3；Body of heater 3 Inside it is provided with the standpipe 10 of many high temperature resistant stainless steels, the upper end of every standpipe 10 is socketed with conveying pipeline 1, the two of every standpipe 10 Side has been equidistantly positioned excessive tracheae 12, and every standpipe 10 is equidistant to be connected with steam pipe 4；The lower end of body of heater 3 is provided with discharge tray 13, discharge tray 13 is fixed with many tremie pipes 14；The upper end of described tremie pipe 14 and standpipe 10 are socketed, the lower end of tremie pipe 14 It is fixed with activity blanking hush panel 15.Body of heater 3 lumenal cross-section is positive square, and the length of side of body of heater 3 inner chamber is 1.2 meters, body of heater 3 High 7.5 meters；It is provided with 48 standpipes 10 in body of heater 3.The length of standpipe 10 is 5.1 meters, and the internal diameter of standpipe 10 is 10 centimetres；Every Two sides of standpipe 10 arrange, every 1 meter, the tracheae 12 that overflows, and every standpipe 10 is connected with steam pipe 4 every 1 meter.Outside body of heater 3 While arranging thermometer hole 8 every 1 meter, a side of body of heater 3 arranges steam pipe 4 every 1 meter.Activity blanking hush panel 15 is bias Plate, the side weight that activity blanking hush panel 15 is located at tremie pipe 14 lower end is less than the weight with respect to tremie pipe 14 lower end opposite side Amount.

As shown in Fig. 2 the relative side alternating expression setting splitter plate 9 of body of heater 3 inwall, splitter plate 9 three side Fix with body of heater 3 inwall, another side of splitter plate 9 is provided with gap, splitter plate 9 with relative body of heater 3 inwall On be provided with the riser bore 1 that multiple standpipes 10 pass through, splitter plate 9 is 10 lis with the clearance distance of relative body of heater 3 inwall Rice.

In body of heater 3 lower combustion chamber 2 setting accompany under suction opeing 17 effect on airduct 16 and top, combustion chamber 2 internal combustion Hot-air produced by burning is from bottom to top moved by body of heater 3 bottom, and hot-air is subject in body of heater 3 by lower in the operation in body of heater 3 Upper and affected relative to the splitter plate 9 being crisscross arranged on body of heater 3 inwall inside body of heater 3 and in body of heater 3 from bottom to top Make Z-shaped track route, it is achieved thereby that will be fed on each standpipe 10 produced by combustion chamber 2 even heat；Simultaneously Carbon monoxide and hydrogen that carbonized material in each standpipe 10 is activated and produces under water vapor acting in high temperature and steam pipe 4 By overflowing, tracheae 12 is also discharged in body of heater 3 chamber, is discharged in the carbon monoxide and hydrogen and body of heater 3 chamber in body of heater 3 chamber Heat produced by oxygen combustion may further be in body of heater 3 chamber offer heat, thus can better ensure that in standpipe 10 Hot conditions required for carbonized material.

Carbonized material is entered the water that can be provided with steam pipe 4 after temperature reaches 850 DEG C in standpipe 10 and steams by conveying pipeline 1 Vapour occurs chemical reaction to produce carbon monoxide and hydrogen, so that the carbonized material in standpipe 10 is activated, by operating personnel In the color change of stove observation in vitro tremie pipe 14, if the color of tremie pipe 14 is crimson color, activity blanking hush panel can be promoted 15 and realize blowing, then stop promotion activity blanking hush panel 15 when the color of tremie pipe 14 is for black and ensure that carbonized material exists Continue to be activated in standpipe 10；The blowing again when the color of tremie pipe 14 is changed into crimson color again, circulates work.

Claims

1. a kind of efficient vertical pipe type activation furnace, described activation furnace includes conveying pipeline, steam pipe, body of heater and combustion chamber, and burning is indoor It is provided with and accompanies airduct, body of heater upper end is provided with suction opeing, the body of wall internal layer of described body of heater periphery and wall external layer are respectively fire resisting Brick layer and common brick wall layers, it is characterised in that described body of heater upper end is the cover plate being sealed to form by refractory brick, cover plate are fixed with many Root conveying pipeline；It has been equidistantly positioned thermometer hole, the side of body of heater has been equidistantly positioned steam pipe outside described body of heater；Described body of heater The relative side alternating expression setting splitter plate of inwall, splitter plate three side is fixed with inboard wall of furnace body, splitter plate Another side relative inboard wall of furnace body is provided with gap, splitter plate is provided with the riser bore that multiple standpipes pass through； It is provided with the standpipe of many high temperature resistant stainless steels, the upper end of every standpipe is socketed with conveying pipeline, every standpipe in described body of heater Both sides have been equidistantly positioned excessive tracheae, and every standpipe is equidistant to be connected with steam pipe；The lower end of described body of heater is provided with discharge tray, Many tremie pipes are fixed with discharge tray；The upper end of described tremie pipe is socketed with standpipe, and the lower end of tremie pipe is fixed. have under activity Material hush panel；Described body of heater lumenal cross-section is positive square, and the length of side of body of heater inner chamber is 1.6 meters, and body of heater is high 7.5 meters；Body of heater Inside it is provided with 48 standpipes；The length of described standpipe is 6.1 meters, and the internal diameter of standpipe is 10 centimetres；Two sides of every standpipe are every The tracheae that overflows is set every 1 meter, every standpipe is connected with steam pipe every 1 meter.

2. efficient vertical pipe type activation furnace according to claim 1 is it is characterised in that described body of heater outer side edges set every 1 meter Put thermometer hole, a side of body of heater arranges steam pipe every 1 meter.

3. efficient vertical pipe type activation furnace according to claim 1 is it is characterised in that described splitter plate and relative stove The clearance distance of internal wall is 10 centimetres.

4. efficient vertical pipe type activation furnace according to claim 1 is it is characterised in that described activity blanking hush panel is bias Plate, the side weight that activity blanking hush panel is located at tremie pipe lower end is less than the weight with respect to tremie pipe lower end opposite side.