CN205974378U - Fine coal pyrolysis dust pelletizing system of built -in cyclone and circulating grain bed - Google Patents
Fine coal pyrolysis dust pelletizing system of built -in cyclone and circulating grain bed Download PDFInfo
- Publication number
- CN205974378U CN205974378U CN201620618145.2U CN201620618145U CN205974378U CN 205974378 U CN205974378 U CN 205974378U CN 201620618145 U CN201620618145 U CN 201620618145U CN 205974378 U CN205974378 U CN 205974378U
- Authority
- CN
- China
- Prior art keywords
- pyrolysis
- bed
- pyrolysis gas
- dedusting
- reactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Cyclones (AREA)
Abstract
The utility model relates to a fine coal pyrolysis dust pelletizing system that the formula grain bed can be selected separately to built -in cyclone and granule, include: pyrolytic reaction ware, cyclone and circulating grain bed, wherein, place in cyclone and the circulating grain bed in the pyrolytic reaction ware, circulating grain bed including the heating section that is located upper portion with the dedusting section that is located the lower part, carry material device, charge -in system and regenerator, set up and be in the front end of the pyrolysis gas export of pyrolytic reaction ware dedusting section includes loading head, inlet end, the end of giving vent to anger, lower part granule discharge gate. But the utilization recycle and regeneration's of this system granule is as filtering material to combine other dust collecting equipment, can be low -cost, efficient the dust removal difficult problem of solution fine coal pyrolysis gas, reduce pyrolysis gas dustiness, make pyrolysis gas dust -laden be less than 50mgNm3, thereby realize that the dust -laden in the tar is low, reach the requirement of tar subsequent processing.
Description
Technical field
This utility model belongs to coal sub-prime cascade utilization field and in particular to dust pelletizing system during pulverized coal pyrolysis,
Especially a kind of built-in cyclone dust extractor and granule can sorting type grain bed pulverized coal pyrolysis dust pelletizing system.
Background technology
Low-order coal sub-prime cascade utilization is the key areas of China 13 Coal Chemical Industry, substantial amounts of low especially for China
Rank fine coal, how effectively utilizes become the emphasis of research.Take pyrolytic technique that low order kerosene oil-gas is taken out, remaining semicoke is again
Go to generate electricity or as gasified raw material, with Coal Gasification Technology contrast, invest little, water consume is low, be that the Coal Clean that China advocates is efficient
Using Technology Ways.But during pulverized coal pyrolysis, pyrolysis gas carry substantial amounts of dust granules, during pulverized coal pyrolysis, it is pyrolyzed powder
Burnt and pyrolysis oil gas high temperature ON-LINE SEPARATION is one of main difficult technical that this technique runs into.Fine coal in, low temperature pyrogenation mistake
The dust-laden pyrolysis gas temperature producing in journey is high, easy phase transformation.Pyrolysis coke breeze and pyrolysis oil-gas high-temperature ON-LINE SEPARATION effect are undesirable,
The solid content ultimately resulting in coal tar is higher, and oil quality is poor it is impossible to the quality meeting the further deep processing of coal tar refers to
Mark.
Meanwhile, during pulverized coal pyrolysis, the requirement to cleaner for the dust-laden pyrolysis gas high-temperature gas-solid ON-LINE SEPARATION is harsher,
Following condition mainly should be met：（1）High temperature resistant（500～600 DEG C）；（2）There is good heat insulation effect and corrosion resistance.As
Fruit heat insulation effect is bad or temperature changes, and in pyrolysis gas, condensible gas know from experience the tar with dust for the generation, are attached on and remove
On dirt equipment, acceleration equipment is aging under the high temperature conditions or even makes it ineffective；（3）The time of staying in cleaner unit will
Short, remove the dust carried secretly in pyrolysis gas within the time the shortest, it is to avoid pyrolysis gas occur second pyrolysises etc. in cleaner
Side reaction, affects tar quality；（4）Under hot conditionss, filter material or equipment life will be grown, and easily regenerate, and filter efficiency is high.Therefore,
The research and development of the dust collection method of dust-laden pyrolysis gas and key equipment during pulverized coal pyrolysis, have become as low temperature pyrogenation field in coal
The problem of urgent need to resolve.
Utility model content
This utility model is directed to the deficiencies in the prior art, designs and develop a kind of built-in cyclone dust extractor and circulating
Grain bed pulverized coal pyrolysis dust pelletizing system, this system binding reactor feature of itself, by the use of recyclable regenerative granule as mistake
Filtrate, and combine other cleaners, it is capable of a dedusting difficult problem for inexpensive, efficient solution pulverized coal pyrolysis gas, reduce pyrolysis
Gas dustiness, makes pyrolysis gas dust-laden be less than 50mg/Nm3, thus the dust-laden realized in tar is low, reaching tar subsequent treatment will
Ask.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is：This utility model provides a kind of powder
Pyrolysis of coal dust pelletizing system.According to embodiment of the present utility model, this system includes：Pyrolysis reactor, cyclone dust extractor and circulation
Formula grain bed it is characterised in that：Described cyclone dust extractor and circular granular bed are built in described pyrolysis reactor, described follow
The bringing-up section of ring type grain bed and dedusting section, positioned at the side of described pyrolysis reactor, are fixed with the side wall of described pyrolysis reactor
Connect, and along the short transverse of described pyrolysis reactor through described pyrolysis reactor inside, wherein：Described circular granular
Bed includes superposed bringing-up section and the dedusting section being located at bottom, carries material device, feed system and regenerator；Wherein, described
It is provided with multiple heat accumulation type radiant tubes of the short transverse multi-tier arrangement along described pyrolysis reactor, for heated particle in bringing-up section
Bed；The described dedusting section being arranged on the front end of the pyrolysis gas outlet of described pyrolysis reactor includes loading head, inlet end, gives vent to anger
End, bottom granule discharging opening；Wherein, described loading head is inclined in described pyrolysis reactor, the upper end of described loading head
It is connected with the side wall of described bringing-up section, the lower end of described loading head is connected with screen of giving vent to anger, for heating through described bringing-up section
Particulate bed material collect flow into circular granular bed described dedusting section in；Described inlet end be air inlet grid plate structure, described enter
Gas grid plate structure includes air inlet grid plate and multiple first deflection plate, and one end of described first deflection plate is with described air inlet grid plate even
Connect, the other end extends as free end along lower right direction, and the interval between adjacent described first deflection plate free end is formed
The opening of described air inlet grid plate is so that the baffling being formed at the opening of described air inlet grid plate flows toward lower right direction；Described
Outlet side is grid plate structure of giving vent to anger, and described grid plate structure of giving vent to anger includes give vent to anger screen and multiple second deflection plate, described second folding
One end of stream plate is connected with described screen of giving vent to anger, the other end along the extension of lower left direction as free end, adjacent described second
Between deflection plate free end interval formed described in give vent to anger screen opening so that at the opening of described screen of giving vent to anger formed
Baffling flows toward upper right side direction；Described cyclone dust extractor includes inlet end, gas outlet and discharge nozzle, and described inlet end is used for leading to
Enter the pyrolysis gas carrying semicoke granule producing in described pyrolysis reactor, the gas outlet of described cyclone dust extractor is passed through connection and led to
Road is connected with the described inlet end of described circular granular bed, for secondary removing the pyrolysis gas through described cyclone dust extractor
Dirt, wherein, is provided with air inlet distribution grid in described interface channel.
Inventor finds, according to the pulverized coal pyrolysis dust pelletizing system of this utility model embodiment, dust collecting process is simple, insulation effect
Really good, power consumption is low.The granule taking recyclable regenerative carries out dedusting, uniform particle sizes as the filter material of grain bed, divides with semicoke
From easy, so good filtration effect；And devise inlet end and the outlet side of grid plate structure, control air inlet, speed of giving vent to anger, dedusting
Pressure drop is little, good dedusting effect；And, in conjunction with other cleaners, carry out final dusting, being capable of inexpensive, efficient solution
A dedusting difficult problem for pulverized coal pyrolysis gas, reduces pyrolysis gas dustiness, makes pyrolysis gas dust-laden be less than 50mg/Nm3, thus realizing in tar
Dust-laden low, reach tar subsequent treatment require.
According to embodiment of the present utility model, the described material device that carries is connected with described bottom granule discharging opening；Described regeneration
Device is connected with the described material device that carries, for removing the semicoke in grain bed and sticking to the coking material in particulate material；Described charging
System is connected with the particulate charge mouth of described regenerator and described circular granular bed top respectively, for regenerating through regenerator
Particulate bed material be added in described circular granular bed.
According to embodiment of the present utility model, described first deflection plate is 15-60 degree with the angle of vertical curve, described second
Deflection plate is 15-60 degree with the angle of vertical curve.
According to embodiment of the present utility model, the dedusting section of described circular granular bed is plate armature, described gathers materials
Device is collection flitch；Described air inlet distribution grid adopts folded plate type distributed architecture, makes pyrolysis gas uniformly enter circular granular bed.
According to embodiment of the present utility model, the discharge nozzle of described cyclone dust extractor is inserted into described pyrolysis gas reactor
In the discharging semicoke of discharge system.
According to embodiment of the present utility model, pyrolysis gas are through described air inlet grid plate structure and described grid plate structure of giving vent to anger
Flow velocity is 0.05-0.5m/s, and the spacing of described inlet end and described outlet side is 50-300mm.
According to embodiment of the present utility model, described particulate bed material is evengranular Ceramic Balls or quartz sand.
According to embodiment of the present utility model, described particulate bed material is passed through described feed system and is entered grain bed, using shifting
The mode of dynamic bed, described particulate bed material is heated, dedusting, regeneration, realize circulation.
According to embodiment of the present utility model, described pyrolysis reactor includes：Charging aperture, pyrolysis gas outlet, discharging opening and
Heat accumulation type radiant tube, described charging aperture is arranged on the roof of described pyrolysis reactor, and described pyrolysis gas outlet is arranged on described
On the side wall of pyrolysis chamber, along the short transverse multi-tier arrangement of described reactor, every layer has many edges to described heat accumulation type radiant tube
The described heat accumulation type radiant tube of horizontal direction arrangement.
In other side of the present utility model, this utility model further provides one kind and utilizes pulverized coal pyrolysis dedusting system
System carries out the method for pulverized coal pyrolysis dedusting it is characterised in that comprising the following steps：A. fine coal is passed through entering of pyrolysis reactor
Material mouth is added in described pyrolysis reactor, completes pyrolytic process in described pyrolysis reactor；B. circular granular bed plus
Multiple heat accumulation type radiant tube heated particle bed of arrangement in hot arc, and the loading head of the dedusting section through described circular granular bed
In the described dedusting section collecting inflow circular granular bed through the particulate bed material that described bringing-up section heats；C. it is pyrolyzed the heat of generation
Vent one's spleen and enter cyclone dust extractor from inlet end, rough dusting is carried out to described pyrolysis gas；D. the pyrolysis gas through rough dusting from
Inlet end enters the dedusting section of described grain bed, carries out further dedusting to described pyrolysis gas；E. the pyrolysis through further dedusting
The pyrolysis gas outlet through described pyrolysis reactor for the gas is discharged.
The beneficial effects of the utility model are：
1）Take built-in circular granular bed dedusting, high insulating effect, dust collecting process is simple, power consumption is low.
2）By the use of Ceramic Balls or quartz sand as filtering bed, uniform particle sizes, separate easily with semicoke, so filter effect
Good.
3）The inlet end of grid plate structure and outlet side, control air inlet, speed of giving vent to anger, and dedusting pressure drop is little, good dedusting effect.
4）In conjunction with built-in cyclone dust extractor, carry out final dusting, being capable of inexpensive, efficient solution pulverized coal pyrolysis gas
A dedusting difficult problem, reduce pyrolysis gas dustiness, make pyrolysis gas dust-laden be less than 50mg/Nm3, thus the dust-laden realized in tar is low,
Reach tar subsequent treatment to require.
5）Particulate bed material by feed system enter grain bed, using the mode of moving bed, particulate material is heated, dedusting,
Regeneration, realizes circulation.
Brief description
Fig. 1 is the overall structure figure of this utility model pulverized coal pyrolysis dust pelletizing system.
Fig. 2 is the structural representation of this utility model cyclone dust extractor and circular granular bed.
Wherein, 1, pyrolysis reactor；2nd, cyclone dust extractor；21st, inlet end；22nd, gas outlet；23rd, discharge nozzle；3rd, circulating
Grain bed；31st, loading head；32nd, inlet end；321st, air inlet grid plate；322nd, the first deflection plate；33rd, outlet side；331st, give vent to anger grid
Plate；332nd, the second deflection plate；34th, bottom granule discharging opening；35th, particulate charge mouth；36th, air inlet distribution grid；41st, charging aperture；42、
Pyrolysis gas outlet；43rd, discharging opening；5th, radial canal；6th, regenerator.
Specific embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to specific embodiment
The utility model is described in further detail.The embodiments described below is exemplary, is only used for explaining that this practicality is new
Type, and it is not intended that to restriction of the present utility model.Unreceipted particular technique or condition in embodiment, according in the art
The technology described by document or condition or carry out according to product description.
According to one side of the present utility model, this utility model provides a kind of built-in cyclone dust extractor and granule can divide
Select the pulverized coal pyrolysis dust pelletizing system of formula grain bed, Fig. 1 is the overall structure figure of this pulverized coal pyrolysis dust pelletizing system, as shown in figure 1, bag
Include pyrolysis reactor 1, cyclone dust extractor 2 and circular granular bed 3, wherein, in described cyclone dust extractor and circular granular bed
It is placed in described pyrolysis reactor, the bringing-up section of described circular granular bed and dedusting section are located at the one of described pyrolysis reactor
Side, is fixedly connected with the side wall of described pyrolysis reactor, and along described pyrolysis reactor short transverse through described pyrolysis
Inside reactor, described dedusting section is arranged in the front end of the pyrolysis gas outlet 42 of described pyrolysis reactor.According to this utility model
Specific embodiment, the shape of the bringing-up section of this circular granular bed and dedusting section and its with described pyrolysis reactor side wall tool
" being fixedly connected mode " of body is not particularly limited, as long as ensureing that what circular granular bed can be stable is connected to pyrolysis reactor
Interior.Preferably, described grain bed profile can be body structure, and the front-rear side walls of this body structure are along pyrolysis reactor
Inner chamber extends, and the two ends of described front-rear side walls are fixed with the sidewall weld with reactor respectively.Thus, this dust pelletizing system is using heat
In solution reactor, the mode of built-in cyclone dust extractor and the combination of circular granular bed, solves pyrolysis gas during pulverized coal pyrolysis
The difficult problem of dedusting.The high temperature pyrolysis gas producing in pyrolytic process carries short grained semicoke and enters cyclone dust extractor together, enters
After the first dedusting of row, pyrolysis gas enter grain bed and carry out final dusting, using solid particles sediment, stop and motive power,
Fine grained in semicoke is separated in entrance grain bed, and the pyrolysis gas of cleaning are from pyrolysis gas gas gas outlet out.
According to specific embodiment of the utility model, Fig. 2 is this utility model cyclone dust extractor and circular granular bed
Structural representation, as shown in Figure 1-2, the dedusting that described circular granular bed includes superposed bringing-up section and is located at bottom
Section, carry material device（Not shown）, feed system（Not shown）With regenerator 6.Wherein, the described knot carrying material device and feed system
Structure is not particularly limited, and according to some specific embodiments, the described material device that carries is connected with described bottom granule discharging opening 34；Institute
State regenerator to be connected with the described material device that carries, for removing the semicoke in grain bed and sticking to the coking material in particulate material；Institute
State feed system to be connected with the particulate charge mouth 35 of described regenerator and described circular granular bed top respectively, for will be through again
The particulate bed material of raw device regeneration is added in described circular granular bed.It is provided with along described pyrolysis reactor in described bringing-up section
Multiple heat accumulation type radiant tubes 5 of short transverse multi-tier arrangement, for heated particle bed.According to some enforcements of the present utility model
Example, the mode of built-in radial canal is taken in described grain bed heating, using the heat particulate bed material of radial canal, so that particulate material is added
Heat, to 500-550 DEG C, moves to dedusting section；It is arranged on the described dedusting section of the front end of the pyrolysis gas outlet of described pyrolysis reactor
Including loading head 31, inlet end 32, outlet side 33, bottom granule discharging opening 34.The structure of the dedusting section of described grain bed is not subject to
Especially limit, as long as the side wall within pyrolysis reactor can be fixedly connected on.According to some specific embodiments, described
Grain bed dedusting section can be plate armature.Described loading head is inclined in described pyrolysis reactor, described loading head
Upper end be connected with the side wall of described bringing-up section, the lower end of described loading head is connected with screen of giving vent to anger, for will be through described heating
The particulate bed material of Duan Jiare is collected in the described dedusting section flowing into circular granular bed, and the structure of described loading head is not especially limited
System, as long as the semicoke granule of pyrolysis reactor generation can be collected.According to some specific embodiments, described loading head
Material can be heating resisting metal material, such as steel plate, iron plate etc.；The shape of described loading head can be tabular or disk
Shape is it is preferred that be collection flitch.Described inlet end is air inlet grid plate structure, and described air inlet grid plate structure includes air inlet grid plate 321 He
Multiple first deflection plates 322, one end of described first deflection plate is connected with described air inlet grid plate, and the other end prolongs along lower right direction
Stretch as free end, the interval between adjacent described first deflection plate free end formed described air inlet grid plate opening so that
The baffling being formed at the opening of described air inlet grid plate flows toward lower right direction；Described outlet side is grid plate structure of giving vent to anger, institute
State grid plate structure of giving vent to anger and include give vent to anger screen 331 and multiple second deflection plate 332, one end of described second deflection plate with described go out
Gas screen connects, and the other end extends as free end along lower left direction, between adjacent described second deflection plate free end
It is spaced the opening of screen of giving vent to anger described in being formed so that the baffling being formed at the opening of described screen of giving vent to anger flows toward upper right side direction
Dynamic.The inlet end of this grid plate structure and outlet side, are easy to control air inlet and speed of giving vent to anger, dedusting pressure drop is little, good dedusting effect.
According to specific embodiment of the utility model, as shown in Fig. 2 described cyclone dust extractor includes inlet end 21, gives vent to anger
Mouth 22 and discharge nozzle 23, described inlet end is used for being passed through the pyrolysis gas carrying semicoke granule produce in described pyrolysis reactor,
The gas outlet of described cyclone dust extractor is connected with the described inlet end 32 of described grain bed by interface channel, for will be through institute
State the pyrolysis gas final dusting of cyclone dust extractor, wherein, be provided with air inlet distribution grid 36 in described interface channel it is preferred that air inlet
Distribution grid takes folded plate type distributed architecture, after the distribution of distribution grid, dust-laden pyrolysis gas can in entrance grain bed at the uniform velocity,
Thus improve dust removing effects.Thus, the high temperature pyrolysis gas producing in pyrolytic process carries in short grained semicoke enters together
Put cyclone dust extractor and carry out just dedusting, the pyrolysis gas after cyclone dust extractor enter grain bed and carry out final dusting.
Inventor finds, according to this pulverized coal pyrolysis dust pelletizing system of this utility model embodiment, takes built-in circulating
Grain bed dedusting, high insulating effect, dust collecting process is simple, power consumption is low, and devises inlet end and the outlet side of grid plate structure, controls
Air inlet, speed of giving vent to anger, dedusting pressure drop is little, good dedusting effect；And, in conjunction with other cleaners, carry out final dusting, can be low
Cost, a dedusting difficult problem for efficient solution pulverized coal pyrolysis gas, reduce pyrolysis gas dustiness, make pyrolysis gas dust-laden be less than 50mg/
Nm3, thus the dust-laden realized in tar is low, reaches tar subsequent treatment and require.
According to specific embodiment of the utility model, the material of described first and second deflection plates, connected mode are not had
Body limits, as long as the pyrolysis gas after dedusting can be made to discharge grain bed, according to some specific embodiments, described deflection plate
Can be resistant to elevated temperatures material, preferably steel plate；Described deflection plate with described give vent to anger screen can in the way of using being fixedly connected,
It is preferably and weld.Described first deflection plate is not particularly limited with the angle of vertical curve, preferably 15-60 degree, described second folding
Stream plate is not particularly limited with the angle of vertical curve, preferably 15-60 degree.Thus, screen aperture area ensure that pyrolysis gas
The speed being 0.05-0.5m/s through the flow velocity of grid plate structure, and, the spacing of inlet end and outlet side is preferably 50-
300mm, ensures pyrolysis gas dust removing effects, the furnace pressure of pyrolysis reactor will not be too high simultaneously.
According to specific embodiment of the utility model, in order to not make the pyrolysis gas through rough dusting mix with dust-laden pyrolysis gas
Close it is desirable to after pyrolysis gas entrance cyclonic separation, the discharge nozzle of cleaner unit inserts in discharging semicoke.As shown in figure 1, described whirlwind removes
The discharge nozzle 23 of dirt device is inserted in the discharging semicoke of the discharge system of described pyrolysis gas reactor, prevents pyrolysis gas from passing through discharging
Pipe enters in pyrolysis reactor again.Thus, dust-laden pyrolysis gas enter from the inlet end of grain bed, after baffling and particle filtering
From the outlet side of grain bed out it is achieved that the dedusting of pyrolysis gas.
According to specific embodiment of the utility model, described particulate bed material is not particularly limited, preferably evengranular
Ceramic Balls or quartz sand, by the use of Ceramic Balls or quartz sand as filtering bed, uniform particle sizes, are separated with semicoke easily, filter effect
Really good.Described particulate bed material is passed through described feed system and is entered grain bed, and using the mode of moving bed, described particulate bed material is through adding
Heat, dedusting, regeneration, realize circulation.Hereby it is achieved that the circular regeneration of particulate material and utilization, simplify system structure.
According to specific embodiment of the utility model, as shown in figure 1, described pyrolysis reactor also includes：Charging aperture 41, heat
Vent one's spleen outlet 42, discharging opening 43 and heat accumulation type radiant tube 5, described charging aperture is arranged on the roof of described pyrolysis reactor, institute
State pyrolysis gas outlet to be arranged on the side wall of described pyrolysis chamber, described heat accumulation type radiant tube is many along the short transverse of described reactor
Layer arrangement, every layer has the many described heat accumulation type radiant tubes arranged in the horizontal direction.Thus, raw material is upper from pyrolysis reactor
Portion's charging aperture enters, and using descending from gravity, is heated by radial canal, pyrolytic reaction occurs, discharges pyrolysis gas and semicoke.
In other side of the present utility model, this utility model is provided one kind and is removed using foregoing pulverized coal pyrolysis
The method that dirt system carries out pulverized coal pyrolysis dedusting.According to embodiment of the present utility model, the method may comprise steps of：
A. fine coal is added in described pyrolysis reactor by the charging aperture of pyrolysis reactor, in described pyrolytic reaction
Pyrolytic process is completed in device.According to embodiment of the present utility model, described fine coal enters into described pyrolysis by described charging aperture
In reactor, after the heating of described heat accumulation type radiant tube, there is pyrolytic reaction in heated fine coal in pyrolysis reactor, produces
Pyrolysis gas and semicoke granule, pyrolysis char is discharged by the discharging opening of described pyrolysis reactor.
B. the multiple heat accumulation type radiant tube heated particle bed arranged in the bringing-up section of circular granular bed, and follow through described
The loading head of the dedusting section of ring type grain bed flows into circular granular bed collecting through particulate bed material that described bringing-up section heats
In described dedusting section.According to embodiment of the present utility model, the particulate bed material of described circular granular bed is at described circulating
Grain bed dedusting section described pyrolysis gas are carried out after dust removal process, through described bottom granule discharging opening discharge, enter into described in carry
Material device, proposes material transport to described regenerator through the described material device that carries, passes through to remove semicoke and stick in described regenerator
Coking material in described particulate bed material described particulate bed material is carried out Regeneration Treatment, and described particulate bed material is not particularly limited,
It is preferably evengranular Ceramic Balls or quartz sand.The regeneration particulate bed material obtaining enters described circulation via described feed system
The bringing-up section of formula grain bed, described regeneration particulate bed material is heated to 500-550 DEG C by described heat accumulation type radiant tube, finally, passes through
The dedusting section that described loading head enters described circular granular bed is piled up, and is re-used at the dust removal by filtration of described pyrolysis gas
Reason, thus it is achieved that the recycling of described particulate bed material.
C. the pyrolysis gas being pyrolyzed generation enter cyclone dust extractor from inlet end, carry out rough dusting to described pyrolysis gas.
According to embodiment of the present utility model, described cyclone dust extractor includes inlet end 21, gas outlet 22 and discharge nozzle 23, described air inlet
Hold for being passed through the pyrolysis gas carrying semicoke granule produce in described pyrolysis reactor, the gas outlet of described cyclone dust extractor leads to
Cross interface channel to be connected with the described inlet end of described grain bed, for secondary removing the pyrolysis gas through described cyclone dust extractor
Dirt, wherein, is provided with air inlet distribution grid it is preferred that air inlet distribution grid takes folded plate type distributed architecture, makes heat in described interface channel
Vent one's spleen more uniform entrance grain bed entrance.Thus, the high temperature pyrolysis gas producing in pyrolytic process carries short grained semicoke one
Play the built-in cyclone dust extractor of entrance and carry out just dedusting.
D. the pyrolysis gas through rough dusting enter the dedusting section of described circulating granular bed from inlet end, and described pyrolysis gas are entered
The further dedusting of row.According to embodiment of the present utility model, it is arranged on the front end of the pyrolysis gas outlet of described pyrolysis reactor
Described dedusting section includes loading head 31, inlet end 32, outlet side 33, bottom granule discharging opening 34.Described loading head is obliquely installed
In described pyrolysis reactor, the upper end of described loading head is connected with the side wall of described bringing-up section, the lower end of described loading head with
Screen of giving vent to anger connects, for collecting the described dedusting section flowing into circular granular bed through the particulate bed material that described bringing-up section heats
In.Described inlet end is air inlet grid plate structure, and described air inlet grid plate structure includes air inlet grid plate and multiple first deflection plate, described
One end of first deflection plate is connected with described air inlet grid plate, and the other end extends as free end along lower right direction, adjacent institute
State the interval between the first deflection plate free end and form the opening of described air inlet grid plate so that at the opening of described air inlet grid plate
The baffling being formed flows toward lower right direction；Described outlet side is grid plate structure of giving vent to anger, and described grid plate structure of giving vent to anger includes giving vent to anger
Screen and multiple second deflection plate, one end of described second deflection plate is connected with described screen of giving vent to anger, and the other end is along lower left side
To extending as free end, the opening of screen of giving vent to anger described in the interval formation between adjacent described second deflection plate free end,
So that the baffling being formed at the opening of described screen of giving vent to anger flows toward upper right side direction.The inlet end of this grid plate structure and giving vent to anger
End, is easy to control air inlet and speed of giving vent to anger, dedusting pressure drop is little, good dedusting effect.Thus, the pyrolysis gas of rough dusting remove through whirlwind
The gas outlet of dirt device is input to the described inlet end of grain bed dedusting section by interface channel, and carries out in grain bed dedusting section
Final dusting is it is preferred that screen aperture area ensure that the speed for 0.05-0.5m/s for the flow velocity through grid plate structure for the pyrolysis gas
Degree, to ensure pyrolysis gas dust removing effects.
E. the pyrolysis gas outlet through described pyrolysis reactor for the pyrolysis gas through further dedusting is discharged.
Using pyrolytic reaction system, Australian brown coal are processed, increased grain bed dedusting and remove with only taking whirlwind
The contrast of dirt device is shown in Table 1.
Table 1：Australian brown coal pyrolysis processing dedusting contrast
| Sequence number | Pyrolysis gas dedusting method | Dustiness after dedusting |
| 1 | Cyclone dust removal | 125mg/Nm3 |
| 2 | Ceramic particle bed dedusting | 39mg/Nm3 |
| 3 | Quartz sand particle bed dedusting | 36mg/Nm3 |
Using pyrolytic reaction system, Indonesia's brown coal are processed, increased grain bed dedusting and only take cyclone dust extractor
Contrast be shown in Table 2.
Table 2：Indonesia's brown coal pyrolysis processing dedusting contrast
| Sequence number | Pyrolysis gas dedusting method | Dustiness after dedusting |
| 1 | Cyclone dust removal | 132mg/Nm3 |
| 2 | Ceramic particle bed dedusting | 35mg/Nm3 |
| 3 | Quartz sand particle bed dedusting | 34mg/Nm3 |
It is to be understood that term " first ", " second " are only used for describing purpose in description of the present utility model, and
It is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define
The feature of " first ", " second " can be expressed or implicitly include one or more this feature.
In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
It is mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning in this utility model for the above-mentioned term.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " permissible
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State that be not necessarily referring to is identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combine in an appropriate manner in any one or more embodiments or example.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be entered
Row combines and combines.
Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is
Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model
Interior above-described embodiment can be changed, change, replacing and modification, simultaneously for one of ordinary skill in the art, foundation
The thought of the application, all will change in specific embodiments and applications.
Claims (8)
1. a kind of pulverized coal pyrolysis dust pelletizing system, including pyrolysis reactor, cyclone dust extractor and circular granular bed, its feature exists
In：Described cyclone dust extractor and circular granular bed are built in described pyrolysis reactor, the heating of described circular granular bed
Section and dedusting section, positioned at the side of described pyrolysis reactor, are fixedly connected with the side wall of described pyrolysis reactor, and along described heat
Solution reactor short transverse through inside described pyrolysis reactor, wherein：
Described circular granular bed includes superposed bringing-up section and the dedusting section being located at bottom, carries material device, feed system
And regenerator, described regenerator is connected with the described material device that carries, for removing the semicoke in grain bed and sticking to particulate material
Coking material；Described feed system is connected with the particulate charge mouth of described regenerator and described circular granular bed top respectively,
For the particulate bed material regenerating through regenerator is added in described circular granular bed；Wherein, it is provided with edge in described bringing-up section
Multiple heat accumulation type radiant tubes of the short transverse multi-tier arrangement of described pyrolysis reactor, for heated particle bed；It is arranged on institute
The described dedusting section stating the front end of the pyrolysis gas outlet of pyrolysis reactor includes loading head, inlet end, outlet side, bottom granule go out
Material mouth；The described material device that carries is connected with described bottom granule discharging opening；Wherein, described loading head is inclined at described pyrolysis instead
Answer in device, the upper end of described loading head is connected with the side wall of described bringing-up section, and the lower end of described loading head is connected with screen of giving vent to anger,
For collecting through the particulate bed material that described bringing-up section heats in the described dedusting section flowing into circular granular bed；Described inlet end
For air inlet grid plate structure, described air inlet grid plate structure includes air inlet grid plate and multiple first deflection plate, described first deflection plate
One end is connected with described air inlet grid plate, and the other end extends as free end along lower right direction, adjacent described first deflection plate
Interval between free end forms the opening of described air inlet grid plate so that the baffling being formed at the opening of described air inlet grid plate is past
Flow in lower right direction；Described outlet side is to give vent to anger grid plate structure, and described grid plate structure of giving vent to anger includes giving vent to anger screen and multiple the
Two deflection plates, one end of described second deflection plate is connected with described screen of giving vent to anger, and the other end extends as certainly along lower left direction
By holding, the interval between adjacent described second deflection plate free end formed described in give vent to anger screen opening so that described go out
The baffling being formed at the opening of gas screen flows toward upper right side direction；
Described cyclone dust extractor includes inlet end, gas outlet and discharge nozzle, and described inlet end is used for being passed through described pyrolysis reactor
The pyrolysis gas carrying semicoke granule of interior generation, interface channel and described circulating are passed through in the gas outlet of described cyclone dust extractor
The described inlet end of grain bed connects, for by the pyrolysis gas final dusting through described cyclone dust extractor, wherein, described connection is logical
It is provided with air inlet distribution grid in road.
2. pulverized coal pyrolysis dust pelletizing system according to claim 1 it is characterised in that：Described first deflection plate and vertical curve
Angle is 15-60 degree, and described second deflection plate is 15-60 degree with the angle of vertical curve.
3. the pulverized coal pyrolysis dust pelletizing system according to any one of claim 1-2 it is characterised in that：Described circular granular
The dedusting section of bed is plate armature, and described loading head is collection flitch；Described air inlet distribution grid adopts folded plate type distributed architecture, makes
Pyrolysis gas uniformly enter circular granular bed.
4. the pulverized coal pyrolysis dust pelletizing system according to any one of claim 1-2 it is characterised in that：Described cyclone dust extractor
Discharge nozzle be inserted into described pyrolysis gas reactor the discharging semicoke of discharge system in.
5. the pulverized coal pyrolysis dust pelletizing system according to any one of claim 1-2 it is characterised in that：Pyrolysis gas are through described
The flow velocity of air inlet grid plate structure and described grid plate structure of giving vent to anger is 0.05-0.5m/s, between described inlet end and described outlet side
Away from for 50-300mm.
6. the pulverized coal pyrolysis dust pelletizing system according to any one of claim 1-2 it is characterised in that：Described particulate bed material is
Evengranular Ceramic Balls or quartz sand.
7. pulverized coal pyrolysis dust pelletizing system according to claim 1 it is characterised in that：Described particulate bed material is by described charging
System enter grain bed, using the mode of moving bed, described particulate bed material is heated, dedusting, regeneration, realize circulation.
8. the pulverized coal pyrolysis dust pelletizing system according to any one of claim 1-2 it is characterised in that：Described pyrolysis reactor
Including：Charging aperture, pyrolysis gas outlet, discharging opening and heat accumulation type radiant tube, described charging aperture is arranged on described pyrolysis reactor
On roof, described pyrolysis gas outlet is arranged on the side wall of described pyrolysis chamber, and described heat accumulation type radiant tube is along described reactor
Short transverse multi-tier arrangement, every layer has the many described heat accumulation type radiant tubes arranged in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618145.2U CN205974378U (en) | 2016-06-22 | 2016-06-22 | Fine coal pyrolysis dust pelletizing system of built -in cyclone and circulating grain bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618145.2U CN205974378U (en) | 2016-06-22 | 2016-06-22 | Fine coal pyrolysis dust pelletizing system of built -in cyclone and circulating grain bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205974378U true CN205974378U (en) | 2017-02-22 |
Family
ID=58022096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620618145.2U Expired - Fee Related CN205974378U (en) | 2016-06-22 | 2016-06-22 | Fine coal pyrolysis dust pelletizing system of built -in cyclone and circulating grain bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205974378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105969416A (en) * | 2016-06-22 | 2016-09-28 | 北京神雾环境能源科技集团股份有限公司 | Pulverized coal pyrolysis dust collection system with built-in cyclone dust collector and built-in circulation type particle bed |
| CN113105920A (en) * | 2020-01-09 | 2021-07-13 | 国家能源投资集团有限责任公司 | Particle bed dust removal device |
-
2016
- 2016-06-22 CN CN201620618145.2U patent/CN205974378U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105969416A (en) * | 2016-06-22 | 2016-09-28 | 北京神雾环境能源科技集团股份有限公司 | Pulverized coal pyrolysis dust collection system with built-in cyclone dust collector and built-in circulation type particle bed |
| CN113105920A (en) * | 2020-01-09 | 2021-07-13 | 国家能源投资集团有限责任公司 | Particle bed dust removal device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104449782B (en) | Pyrolysis dust removal system and pyrolysis dust removal method based on coupling of small-size coal pyrolysis and raw gas dust removal | |
| CN103374377B (en) | Carbonaceous material pyrolysis device, pyrolysis system comprising pyrolysis device, and method for pyrolyzing carbonaceous material | |
| CN205974381U (en) | Built -in grain bed and tubular filter's fine coal pyrolysis dust pelletizing system | |
| CN106753491A (en) | A kind of solid thermal carriers activation coal gas flashing speed oven coal produces the system and method for coal tar, coal gas and semicoke | |
| CN106520160A (en) | System and method for quickly treating pulverized coal by pyrolysis | |
| CN104479761B (en) | Scrubbing tower and the gas purification dust pelletizing system with the scrubbing tower | |
| CN106811220A (en) | A kind of pyrolytic reaction separator and pyrolytic reaction separation method | |
| CN104449774A (en) | Down-flow gas semi-coke activated pulverized coal pyrolysis system and method | |
| CN107723012B (en) | The system and method for coal-tar gas is produced in multistage fluidized bed pulverized coal pyrolysis and dedusting coupling | |
| CN205974378U (en) | Fine coal pyrolysis dust pelletizing system of built -in cyclone and circulating grain bed | |
| CN105885897B (en) | A kind of pulverized coal pyrolysis dust pelletizing system of built-in grain bed and cyclone dust collectors | |
| CN105861080A (en) | Rapid catalytic pyrolysis system of biomass downward bed and biomass pyrolysis method | |
| CN105885896A (en) | Pulverized coal pyrolysis dedusting system with granular bed and tubular filter inside | |
| CN107760344B (en) | System and method for preparing coal tar gas by coupling pulverized coal pyrolysis and dust removal | |
| CN101935539B (en) | Method for preparing coal tar by carrying out catalytic pyrolysis on pulverized coal and device thereof | |
| CN205974379U (en) | Fine coal pyrolysis dust pelletizing system that formula grain bed can be selected separately to built -in cyclone and granule | |
| CN207142836U (en) | The system that a kind of three couplings combination prepares activated carbon | |
| CN103450914B (en) | Method for producing liquid fuel by performing fast pyrolysis on solid organic matters | |
| CN205974376U (en) | Fine coal pyrolysis dust pelletizing system of built -in circulating grain bed | |
| CN205974380U (en) | Built -in grain bed and cyclone's fine coal pyrolysis dust pelletizing system | |
| CN205974377U (en) | Fine coal pyrolysis dust pelletizing system of built -in grain bed | |
| CN101475815B (en) | Dry distillation method for oil shale material and fluidized bed dry distillation apparatus | |
| CN103205286B (en) | Crude gas dust remover and dust removing method | |
| CN103242873A (en) | Pyrolyzer | |
| CN203196504U (en) | Raw gas dust collection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
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 Changping District Machi Town kamis Road No. 18 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20170222 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20170222 |
|
| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |