CN206204219U - A kind of low temperature continuous heat fixed bed reactors - Google Patents
A kind of low temperature continuous heat fixed bed reactors Download PDFInfo
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- CN206204219U CN206204219U CN201620862895.4U CN201620862895U CN206204219U CN 206204219 U CN206204219 U CN 206204219U CN 201620862895 U CN201620862895 U CN 201620862895U CN 206204219 U CN206204219 U CN 206204219U
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Abstract
The utility model is related to a kind of low temperature continuous heat fixed bed reactors.Reactor described in the utility model has charging aperture, housing, reative cell, discharging opening, charging aperture is located on discharging opening, there is feed auger, discharging spiral, flitch in reative cell, flitch includes feed end and discharge end, feed auger is under charging aperture, feed end top,, on discharge end top, discharge end is on discharging opening for discharging spiral；Feed auger includes center bolt and left and right helical blade, and center bolt crosses left and right helical blade, left and right helical blade perpendicular to center bolt center line into axial symmetry, spacing is the 1/3~1/2 of charging aperture bore.The utility model can realize continuous feeding and discharging under the conditions of hot, and equipment failure rate is low, high financial profit.
Description
Technical field
The utility model is related to heat treatment reactor field, more particularly to a kind of low temperature continuous heat fixed bed reaction
Device, and material is pyrolyzed using the fixed bed reactors.
Background technology
Coal and other carbon containing organic component material (such as house refuse, biomass, sludge, greasy filth, damaged tire, useless modelings
Material), can produce solid-state, liquid and gaseous products through Overheating Treatment, these products be made into recyclable, easy utilization, easily transport and
The energy form for easily storing, can heat supply generating or the raw material as chemical industry and other industries.Above-mentioned Technology for Heating Processing include carbonization,
Gasification, pyrolysis, liquefaction or other related process.
Wherein, pyrolysis as Technology for Heating Processing one kind, the reactor for being used has various, including industrial production is conventional
Moving bed, fixed bed, rotary kiln, fluid bed, also including ablation bed and shower furnace etc., are mainly used in reclaiming certain in thermal decomposition product
One or two materials.
Moving bed pyrolysis technique belongs to slow pyrolysis process, it is adaptable to processes bulk damaged tire and is not required to remove steel wire and fibre
Dimension cord, can reduce the secondary response of intermediate product, improve the yield of pyrolysis oil.The technique mesolow condition can reduce pyrolytic carbon
The carbonaceous residue of upper attachment, improves its possibility reused as carbon black, light naphtha and virtue in gained pyrolysis oil
Aroma compounds content is higher, high financial profit and can improve the octane number of fuel oil.But the external-heat heat-supplying mode for using, passes
The thermal efficiency is relatively low, causes whole system to operate at full capacity.
Fluidized bed pyrolysis technique belongs to fast pyrolysis process, and the rate of heat addition is fast, the gas phase residence time is short, efficiency of utilization
High, it is possible to decrease the generation of secondary response, pyrolysis oily yield is higher.But sulphided state is in material pyrolytic process, causes pyrolysis
Dustiness is high in liquid, it is more difficult to process.
Ablation bed pyrolytic process is, by reaction mass and scorching hot metal surface direct contact heat transfer, to be brought rapidly up material
And crack.The technique pyrolysis time is short, and reaction speed is fast, and oil yield is high, but cannot realize the continuity of material pyrolysis, can only
Carry out batch batch (-type) pyrolysis.
Rotary kiln pyrogenation technique is suitable for almost any solid waste material, and the aqueous material higher of oil-containing, such as sludge, oil
The sticky class material such as mud, then directly cannot be pyrolyzed using which.
Conventional fixed-bed pyrolysis system is batch feed, it is impossible to long-term continuous operation, and pyrolytical condition is difficult long-term guarantor
Hold.
Regarding to the issue above, prior art CN104774628A discloses a kind of vertical pulverized coal pyrolysis stove.The method is in stove
Multigroup heat radiation tube is installed on internal wall, in circumferentially distributed in body of heater.Therefore, pyrolysis oven heat transfer area of the present utility model
Increase substantially, compared to the upright furnace of same sectional area, heat transfer area increased 2~10 times, and yield is multiplied.Also,
Pulverized coal pyrolysis air guide smoothly, is difficult to feel suffocated, and is easy to control.But, pretreatment is relatively costly, and pyrolysis oven is easily blocked, pyrolysis oven
Highly it is difficult to determine.
Prior art CN103980926A discloses carbonaceous material pyrolysis installation and method for pyrolysis.The method sets in burner hearth
The solid separator and porous barrier of good heat-transfer are put, pyrolysis gas flowing velocity has been improved, pyrolysis gas is entered in burner hearth
Row forced convection heat transfer.Heat-transfer effect is enhanced, the second pyrolysis probability of pyrolysis gas is reduced, tar yield is improve.But
It is, it is impossible to realize material continuous feeding and discharging under the conditions of hot, needs artificial cloth and discharging.Also, need to wait for device after discharging
Cooling feeds again, improves equipment failure rate, reduces disposal ability.
Utility model content
In view of the deficiencies in the prior art, it is anti-that the utility model aims to provide a kind of new low temperature continuous heat fixed bed
Device is answered, and utilizes the fixed bed reactors pyrolysis processing material.The reactor is stable, easy to operate, and material can be carried out
The heat treatment of batch, again can continuous feed and discharging under the conditions of hot.
The utility model proposes a kind of low temperature continuous heat fixed bed reactors, the reactor have charging aperture,
Housing, reative cell, discharging opening, the horizontal level of the charging aperture are higher than the horizontal level of the discharging opening；
There is feed auger, discharging spiral, flitch, the flitch includes feed end and discharge end, institute in the reative cell
State feed auger to be arranged under the charging aperture, positioned at the feed end top；The discharging spiral is arranged on the discharging
End top, the discharge end is located on the discharging opening；
The feed auger includes center bolt, left-hand screw blade, right-hand screw blade；The center bolt crosses the left side
Helical blade and right-hand screw blade, the left-hand screw blade and right-hand screw blade perpendicular to the center bolt center line into axle
Symmetrically, distance between the two is the 1/3~1/2 of the charging aperture bore.
Further, the vertical range of the lower edge of the left-hand screw blade and right-hand screw blade and the flitch for 50~
150mm, preferably 80mm.
Further, the left-hand screw impeller clearance and right-hand screw impeller clearance are placed equidistant.
Further, the left-hand screw impeller clearance and right-hand screw impeller clearance displacement are set.
Further, the feed end and discharge end of the flitch are provided with drive bearing, for driving the flitch continuous
Rotate；The quantity of the drive bearing is two or more.
Further, the reative cell includes radiant tube, and the radiant tube is heat accumulation type radiant tube；
It is parallel with the flitch that the radiant tube is located at the flitch top；
The radiant tube is 400~550mm, preferably 450mm with the vertical range of the flitch.
In above-mentioned reactor, feeding warehouse, push-pull valve, solid collecting bin are further included；
The feeding warehouse is arranged on the feed auger top, and the push-pull valve is arranged on the feeding warehouse bottom；
The solid collecting bin connects the discharge end of the flitch；
The feeding warehouse and the solid collecting bin have one or more.
Further, it is provided with level-sensing device between the push-pull valve and the feed auger.
In above-mentioned reactor, the housing includes reactor wall, support platform, support；
The reactor wall includes furnace roof, side wall, furnace bottom, for sealing the reative cell；
The support platform is arranged under the flitch；
The support is fixed in the support platform, for connecting the drive bearing.
Further, the reative cell includes oil gas vent；
The oil gas vent is arranged on the furnace roof or side wall of the reactor；
Oil gas vent on the side wall is located between the radiant tube and the flitch.
The utility model is suitable for the construction needs at small distributed energy station, and floor space is small, remarkable in economical benefits,
Treating capacity requirement of the disposal ability from 0.1 ton day~50 ton day can be met.
The cloth of the utility model reactor and discharging can be realized continuous without manually operating in the case of not blowing out
Charging and discharging, it is also possible to the need for meeting fixed-bed intermittent formula treatment material.Charging and discharging are carried out under the conditions of hot,
Without lowering the temperature to reactor, the disposal ability and efficiency of device are industrially greatly improved.Also, material relative to
Flitch transfixion, it is to avoid coking, the problem for blocking in reactor caused by material turning.
The utility model can produce the relatively low pyrolysis gas of dustiness, and carry insulation and memory function, can be directly used for anti-
The heat supply of device is answered, efficiency of utilization is high, and equipment failure rate is low.
Brief description of the drawings
Fig. 1 is the left view of low temperature continuous heat fixed bed reactors.
Fig. 2 is the top view of low temperature continuous heat fixed bed reactors.
Fig. 3 is the front view of low temperature continuous heat fixed bed reactors.
Fig. 4 is the structural representation of flitch.
Reference in accompanying drawing is as follows：
1- housings；
2nd, 2a, 2b, 2c- radiant tube；
3- center bolts；3a- discharging spirals；3b- feed augers；
4- flitch；
5- feeding warehouses；5a- charging apertures；
6- push-pull valves；
7- supports；
8- reative cells；
9- drive bearings；
10- substrates；
11- support platforms；
12- oil gas vents；
13- solid collecting bins；13a- discharging openings.
14- active joints；
15- stainless steel plates.
Specific embodiment
Below in conjunction with drawings and Examples, specific embodiment of the present utility model is described in more details, with
Just better understood when the advantage of scheme of the present utility model and its various aspects.However, specific implementations described below side
Formula and embodiment are only descriptive purposes, rather than to limitation of the present utility model.
The fixed bed reactors can be not only used for coal upgrading and step, and also resourcebility recycles organic compound, again may be used
For harmless treatment discarded object.Reactor described in the utility model includes four parts：Feed system, reaction system, discharging
System, housing.The left view of the fixed bed reactors shown respectively below in conjunction with Fig. 1, Fig. 2, Fig. 3, top view, front view, it is right
Structure and its relation between four parts are illustrated.
1. housing：As shown in Figure 1, the housing 1 of fixed bed reactors includes that reactor wall, support 7, substrate 10, support are flat
Platform 11.
Reactor wall includes furnace roof, side wall, furnace bottom, for sealing whole reative cell 8 so that the reaction gas in reative cell 8
Atmosphere is sufficiently spaced from ambient atmosphere.
2. feed system：As shown in Figure 1, feed system includes feeding warehouse 5, push-pull valve 6, charging aperture successively from top to bottom
5a.The quantity of feeding warehouse 5 can be one or more.
3. discharge system：As shown in Figure 1, discharge system is made up of discharging opening 13a and solid collecting bin 13, solid collecting bin
13 quantity can be one or more.Discharging opening 13a is both provided with feeding chute under charging aperture 5a.
4. reaction system：Reaction system includes reative cell 8, for the pyrolysis of material.
As shown in Figure 3, the bottom of reative cell 8 is provided with flitch 4, on support platform 11.For the ease of description,
The two ends of flitch 4 are respectively designated as feed end and discharge end.By Fig. 1, discharge end is by discharging opening 13a and solid collecting bin 13
Connection.A drive bearing 9 is respectively provided with the feed end and discharge end of flitch 4, one end of support 7 is fixed on support platform 11
On, other end connection drive bearing 9.
One is driving bearing in the drive bearing 9 at the two ends of flitch 4, and one is driven bearing, the company for driving flitch 4
It is continuous to rotate.As needed, several driven bearings can be set in the interlude of flitch 4, driven bearing upper end has contacted with flitch 4
To supporting role, lower end is fixed in support platform 11.
As shown in Figure 4, flitch 4 is made up of multiple wide stainless steel plates 15.Wherein, stainless steel plate 15 is solid by connecting plate
It is scheduled on active joint 14.Because active joint 14 is arranged on the chain of bearing 9, can turn with chain circulation
It is dynamic, therefore, it is capable of achieving the continuous cycle rotation of flitch 4.Also, the edge between two adjacent stainless steel plates 15 is by concavo-convex
Groove is connected, and reaches the effect of sealing, it is to avoid material trickles down the lower section of flitch 4.
As shown in Figure 1, feed auger 3b is under charging aperture 5a, the top of the feed end of flitch 4；Discharging spiral 3a is located at
The top of the discharge end of flitch 4, and discharge end is on discharging opening 13a.Material is provided between feed auger 3b and push-pull valve 6
Position meter.
As shown in Fig. 2 and Fig. 3, feed auger 3b and discharging spiral 3a are constituted by helical blade and center bolt 3, center
Screw rod 3 crosses helical blade.In the utility model embodiment, the gap between helical blade is placed equidistant, its lower edge with material
The distance of plate 4 is 50~150mm, and wherein preferred distance is 80mm.
In other embodiments, the gap between helical blade by the way of displacement setting, and can be close to center section
Helical blade gap-ratio center bolt two ends helical blade gap is small so that distribution of the material on flitch 4 is more uniform.
By Fig. 2, the helical blade of feed auger 3b includes left-hand screw blade and right-hand screw blade.Center bolt 3 crosses a left side
Helical-blade and right-hand screw blade.Left-hand screw blade and right-hand screw blade perpendicular to center bolt 3 center line into axial symmetry.This reality
With in new embodiment, the distance between left-hand screw blade and right-hand screw blade are the 1/3~1/2 of charging aperture 5a bores.
In the utility model embodiment, the special tectonic of feed auger 3b so that pars intermedia of the material from feed auger 3b
It is divided to two end motions, it is possible to reduce material and realizes the uniform of material on flitch 4 wider with the operating distance of feed auger 3b
Distribution, preferred embodiment is using single feed auger.
In other embodiments, deflector can be set up at the feeding chute of charging aperture 5a, contributes to the charging point of material
Cloth, is particularly suited for the larger lumped coal of granularity and the less fine coal of particle diameter.
As shown in Figure 2,3 radiant tubes are provided with reative cell 8, respectively 2a, 2b, 2c, are denoted as in Fig. 1 and Fig. 3
Radiant tube 2.In other embodiments, the quantity of radiant tube 2 can be any amount in addition to 3.The utility model is implemented
In example, radiant tube 2 is evenly arranged in reative cell 8, and parallel with flitch 4.
When the utility model reactor is used for resource recycles organic compound, to realize that organic efficiency is maximum
Change, reative cell 8 is as far as possible low in height design, and radiant tube 2 is as far as possible small with the spacing of material on flitch 4；When this practicality is new
When type reactor is used for harmless treatment discarded object, reative cell 8 is as far as possible high in height design, to increase gas in reactor
In residence time and reduce gas flow rate.In sum, in the utility model embodiment, selective radiation pipe 2 hangs down with flitch 4
Straight distance is 400~550mm, preferably 450mm.
As shown in Figure 1, multiple oil gas vents 12 are provided with the furnace roof of reative cell 8 and side wall.Wherein, it is arranged on the wall of side
Oil gas vent 12 be located at radiant tube 2 under, on flitch 4.The oil gas vent 12 on furnace roof is arranged on to be located on radiant tube 2
Portion.Oil gas vent 12 is used to draw the pyrolysis gas for being pyrolyzed generation in reative cell 8, and its position directly affects pyrolysis oil in reative cell 8
The flow direction of gas and residence time.
The preferred square reactor of the utility model embodiment, is also designed to cylindrical reactor or other shapes of
Reactor.Using the structure of square reactor advantageously in the setting of radiant tube 2, so that material is heated evenly, it is ensured that
It is pyrolyzed the uniform generation and flowing of oil gas.
Process flow using the utility model treatment material is as follows：
1. ingredient requirement
To raw material without strict demand, can select particle diameter is below 120mm to the fixed bed reactors of the utility model embodiment
Lump material, length and width are respectively less than the sheet material of 200mm, granular material, and no more than 95wt%, (wt% is quality to moisture content
Percentage) viscous material as raw material.Various discarded objects can be met includes house refuse, medical waste, chemical industry rubbish, pharmacy
Factory's discarded object, paper mill waste, the treatment of waste printed circuit board, can also meet junked tire, waste plastics, biomass, coal, oily page
The resources such as rock are recycled, and can also meet the treatment of oil field oiliness sludge, mud containing mine dust, domestic sludge, dangerous waste liquid etc..
2. fill process
In the case where push-pull valve 6 is closed, to adding material in feeding warehouse 5.Stirring rod can be set in feeding warehouse 5, used
In the fluffy material phenomenon for preventing material.Material is firstly stored in feeding warehouse 5, open push-pull valve 6, material under gravity, from
The middle part of the leading portion of reative cell 8 is slipped in the feeding chute that charging aperture 5a lower ends are set downwards.
Material is continuously conveyed to the center section of feed auger 3b.While feed auger 3b is operated, flitch 4 receives
Material simultaneously drives material to be fed forward, and makes the uniform cloth full with substance of whole fixed bed reactors.
Level-sensing device can be used to detect the height of materials for entering reative cell 8, so that single inlet amount is controlled, also can be by regulation
Feed auger 3b, changes the distributed effect of material on flitch 4.
Inert gas access port can be set at push-pull valve 6, when being fed in opening push-pull valve 6 to reactor, material can
Feed auger is sent under the assistance of the air-flow that inert gas is formed.The inert gas may be selected nitrogen, or be other non-oxygen
The property changed gas, meets the anoxybiotic requirement of pyrolytic reaction in reative cell 8.
The utility model fixed bed reactors can be by the way of single charging, also can be by the way of continuous feed.When
When the inventory of required treatment is smaller, can be operated using the fixed bed reactors in the utility model embodiment.If place
The inventory of reason is larger, can increase the area of flitch 4, and the continuous rotation of flitch 4 is kept during pyrolytic reaction, material is existed
Pyrolytic reaction is completed on flitch 4 from feed end to discharge end, it is ensured that the continuity of charging and discharging.
3. entry level
In the processing procedure of material, in order to ensure the continuity of pyrolytic reaction, by the single material storing of feeding warehouse 5
Amount cannot be less than the single material cloth doses of flitch 4.During pyrolytic reaction, a certain amount of material is stored in feeding warehouse 5,
Height of materials in guarantee reative cell 8 on flitch 4 is 150~300mm.
4. pyrolytic reaction condition
The pyrolytic reaction occurred in the fixed bed reactors is carried out in the range of 350~1200 DEG C.Material is by entering
Material mouth 5a enters after reative cell 8, is progressively heated up in the presence of radiant tube 2.It is dried first, the water in removing material
Point, then devolatilization again, pyrolysis oil gas product and hot solid residue product are formed by pyrolytic reaction.
Also work is carried out in solid residue product by it containing a certain amount of organic components for not being heated volatilization
Industry is analyzed, and the volatile matter content that can be measured in solid residue is no more than 10wt%.
To control reative cell 8 to be in anoxybiotic atmosphere during pyrolytic reaction, and maintain pressure in the range of -2~5kPa.
5. mode of heating
The mode of heating of the fixed bed reactors may be selected Electric heating, fuel mode of heating, high-temperature plasma and add
Hot mode etc., the preferred heat accumulation type radiant tube mode of heating of the utility model embodiment, meets combustion heating system and thing in device
Expect the isolation of pyrolysis system.
The heating rate control of radiant tube 2 in 20~60 DEG C/min, ratio selection according to different material organic component compared with
Good heating rate.For material of the same race, the different temperature rise periods select different heating rates, when temperature of charge is less than 280 DEG C
When, the heating rate of radiant tube 2 is controlled in 40~60 DEG C/min, when temperature of charge is at 280~450 DEG C, the intensification of radiant tube 2
Speed control in 20~40 DEG C/min, when temperature of charge is more than 450 DEG C, the control of the heating rate of radiant tube 2 20~60 DEG C/
min。
When treatment rubbish, sludge etc., radiant tube 2 uses slower heating rate；It is treatment biomass, coal, oil shale, waste and old
When tire, waste plastics etc., radiant tube 2 is using heating rate faster.
6. the collection of discharging process and solid residue
While cloth in starting feed auger 3b to flitch 4, start discharging spiral 3a, discharging spiral 3a causes solid
Bottoms product is unidirectionally exported from the discharge end of flitch 4 to solid collecting bin 13.Flitch 4 can so be met in the same of uniform distribution
When, last reacted solid residue is discharged, so that the continuity for being fed in ensureing reactor and being discharged.
When the fixed bed reactors of the utility model embodiment are used as coal device for improving quality, by discharging what spiral 3a was discharged
Hot solid residue product is powdered semicoke, and it can be directly blended into feed product as solid thermal carriers, for drying
Raw material.Screening separation can be carried out by screening plant by the dilution mixing material of drying cooling, obtain solid product.The screening is filled
The top that can be directly mounted at feeding warehouse 5 is put, also individually can independently be placed.
7. it is pyrolyzed the recycling of oil gas
The pyrolysis oil gas produced in the utility model embodiment is quickly discharged by oil gas vent 12, the need for pyrolysis
Can select to open one or more oil gas vents 12.
Pyrolysis oil gas is discharged to condenser system, and cooling obtains pyrolysis oil.Uncooled pyrolysis gas are as thermal source by defeated
Sending pipeline can be introduced directly into the burner of heat accumulation type radiant tube, be burnt for it as the thermal source of radiant tube, there is provided needed for reaction
Heat.
During pyrolytic reaction, the top layer material on flitch 4 is first pyrolyzed, and is pyrolyzed after lower floor's material.Lower floor's material pyrolysis
The pyrolysis oil gas of generation first passes through the carbon residue produced after the material pyrolytic reaction on its upper strata, i.e. the carbon residue on upper strata can be worn to lower floor
The pyrolysis oil gas crossed plays a part of filtering.
By filtration, can be except Multiple components such as carbon granule, drop, the pollutants in sub-cloud pyrolysis oil gas.The filtering
Effect is influenceed by many factors, including is pyrolyzed the particle diameter of carbon granule and pollutant in oil gas, the volume of reative cell 8, thing on flitch 4
The height of material, is pyrolyzed flow velocity of oil gas etc..
The fixed bed reactors of the utility model embodiment can be used as resource and recycle organic compound device, carry
When taking the oil in raw material, gas purge system can be set up in pyrolysis gas discharge back segment, the quality for improving pyrolysis gas.
In the utility model embodiment fixed bed reactors from be fed to discharged after material pyrolysis the time required to for 1.5~
5h, the time can be influenceed by the physical property of material, single inlet amount, heating rate etc..
The fixed bed reactors of the utility model embodiment are with one of difference of conventional fixed bed reactor：This
After the material for having processed single batch, reactor need not be lowered the temperature fixed bed reactors in utility model, just can be carried out down
The discharging of the cloth and last consignment of solid product of one batch materials.Therefore, the radiant tube 2 in the utility model reactor only need to be in head
The igniting that goes into operation is carried out during secondary charging, in ensuing whole continuous running, the normal heating temperature of radiant tube 2 is maintained
.Thus, in reactor running, it is to avoid because charging each time and discharging are gently lowered the temperature to the liter of reactor,
Reduce equipment failure rate；The two of difference are：Fixed bed reactors of the present utility model can be by controlling feed auger 3b and material
The exploitation speed of plate 4, realizes continuous charging and discharging in pyrolytic process.
Embodiment
The coal grain of the granularity 10mm~20mm provided by petrochina is used as raw material (coal analysis data are shown in Table 1).Material elder generation
It is stored in feeding warehouse 5, opens push-pull valve 6, then under gravity, the feeding chute from feeding warehouse 5 is slipped to material
In reative cell 8.
Under feed auger 3b rotations and under the drive of drive bearing 9, coal grain is evenly distributed on flitch 4, while to discharging
End moves horizontally.The speed of control feed auger 3b and drive bearing 9, makes material thickness on whole flitch 4 be 200mm, then
Close push-pull valve 6.Radiant tube combustion system is opened, when temperature of charge is less than 280 DEG C, it is 55 to control the heating rate of radiant tube 2
℃/min；When temperature of charge is higher than 280 DEG C, it is 40 DEG C/min to control the heating rate of radiant tube 2.
The pyrolysis oil gas that pyrolytic reaction is produced is expelled to condenser system by oil gas vent 12, and cooling obtains pyrolysis oil.Not
The pyrolysis gas of condensation are delivered in radiant tube 2 as fuel combustion.Whole pyrolytic process Stress control is within 500Pa.
After pyrolytic process does not produce pyrolysis gas substantially, the grain charging of second batch dant is carried out, on flitch 4 while charging
Last reacted solid residue discharged, keep charging and discharging continuity.The carbon residue feeding solid for transferring out
Stored in collecting bin 13.
Process described in the utility model can long-term smooth operation, the yield of resulting more stable thermal decomposition product is shown in
Table 2 and table 3.
The raw coal analysis result of table 1
The data result of table 2
| Project | Tar | Purified gas | Semicoke | Pyrolysis water |
| Yield (%) | 9.2 | 12.36 | 58.7 | 19.74 |
The composition of the semicoke of table 3
| Project | Volatile matter | Ash content | Fixed carbon |
| Yield (%) | 6.38 | 9.51 | 84.11 |
(remarks：MtTotal moisture is represented, Mad represents air-dried moisture, AadRepresent empty dry basis ash content, VadRepresent that empty butt is waved
Hair point, FCadRepresent empty butt fixed carbon, St,adRepresent empty butt sulphur, CadRepresent empty butt carbon, HadEmpty butt hydrogen is represented,
QNet.arUnit be MJ/kg, % is mass percent.)
Process described in the utility model embodiment can long-term smooth operation, equipment failure rate is extremely low.
It should be noted that each embodiment above by reference to described by accompanying drawing is only used to illustrate the utility model rather than limit
Scope of the present utility model is made, it will be understood by those within the art that, do not departing from spirit of the present utility model and model
The modification carried out to the utility model on the premise of enclosing or equivalent, all should cover within the scope of the utility model.
Additionally, signified outer unless the context, the word for occurring in the singular includes plural form, and vice versa.In addition, removing non-specifically
Explanation, then all or part of of any embodiment can combine all or part of of any other embodiment and use.
Claims (12)
1. a kind of low temperature continuous heat fixed bed reactors, the reactor has charging aperture, housing, reative cell, discharging opening,
The horizontal level of the charging aperture is higher than the horizontal level of the discharging opening；
In the reative cell have feed auger, discharging spiral, flitch, the flitch include feed end and discharge end, it is described enter
Material spiral is arranged under the charging aperture, positioned at the feed end top；The discharging spiral is arranged on the discharge end
Portion, the discharge end is located on the discharging opening；
The feed auger includes center bolt, left-hand screw blade, right-hand screw blade；The center bolt crosses the left-hand screw
Blade and right-hand screw blade, the left-hand screw blade and right-hand screw blade perpendicular to the center bolt center line into axle pair
Claim, distance between the two is the 1/3~1/2 of the charging aperture bore；
The housing includes reactor wall, and the reactor wall includes furnace roof, side wall, furnace bottom, for sealing the reative cell,
Oil gas vent is provided with the furnace roof and side wall.
2. reactor according to claim 1, it is characterised in that the lower edge of the left-hand screw blade and right-hand screw blade
It is 50~150mm with the vertical range of the flitch.
3. reactor according to claim 1, it is characterised in that the lower edge of the left-hand screw blade and right-hand screw blade
It is 80mm with the vertical range of the flitch.
4. reactor according to claim 1, it is characterised in that the left-hand screw impeller clearance and right-hand screw impeller clearance
It is placed equidistant.
5. reactor according to claim 1, it is characterised in that the left-hand screw impeller clearance and right-hand screw impeller clearance
Displacement is set.
6. reactor according to claim 1, it is characterised in that the feed end and discharge end of the flitch are provided with transmission
Bearing, for driving the flitch continuously to rotate；The quantity of the drive bearing is two or more.
7. reactor according to claim 1, it is characterised in that the reative cell includes radiant tube, the radiant tube
It is heat accumulation type radiant tube；
It is parallel with the flitch that the radiant tube is located at the flitch top；
The radiant tube is 400~550mm with the vertical range of the flitch.
8. reactor according to claim 7, it is characterised in that the radiant tube is with the vertical range of the flitch
450mm。
9. reactor according to claim 1, it is characterised in that also including feeding warehouse, push-pull valve, solid collecting bin；
The feeding warehouse is arranged on the feed auger top, and the push-pull valve is arranged on the feeding warehouse bottom；
The solid collecting bin connects the discharge end of the flitch；
The feeding warehouse and the solid collecting bin have one or more.
10. reactor according to claim 9, it is characterised in that set between the push-pull valve and the feed auger
There is level-sensing device.
11. reactors according to claim 6, it is characterised in that the housing also includes support platform, support；
The support platform is arranged under the flitch；
The support is fixed in the support platform, for connecting the drive bearing.
12. reactors according to claim 7, it is characterised in that the oil gas vent on the side wall is located at the radiant tube
Between the flitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620862895.4U CN206204219U (en) | 2016-08-10 | 2016-08-10 | A kind of low temperature continuous heat fixed bed reactors |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620862895.4U CN206204219U (en) | 2016-08-10 | 2016-08-10 | A kind of low temperature continuous heat fixed bed reactors |
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| CN206204219U true CN206204219U (en) | 2017-05-31 |
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Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
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Denomination of utility model: Low-temperature continuous heat treatment fixed bed reactor and method Effective date of registration: 20180322 Granted publication date: 20170531 Pledgee: The Bank of Beijing Limited by Share Ltd. Anwar Road Branch Pledgor: Shenwu Technology Group Co.,Ltd. Registration number: 2018990000210 |
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