CN208212731U - A kind of vertical agricultural crop straw charing flue gas ash removal coke removing appts of two-stage - Google Patents
A kind of vertical agricultural crop straw charing flue gas ash removal coke removing appts of two-stage Download PDFInfo
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- CN208212731U CN208212731U CN201820401559.9U CN201820401559U CN208212731U CN 208212731 U CN208212731 U CN 208212731U CN 201820401559 U CN201820401559 U CN 201820401559U CN 208212731 U CN208212731 U CN 208212731U
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Abstract
A kind of vertical agricultural crop straw charing flue gas ash removal coke removing appts of two-stage, the bracket including being used to support outer cylinder, collection device, the tangentially-arranged air inlet in top of outer cylinder barrel side is arranged in outer cylinder bottom end；Inner cylinder one end connects the second-order separation cylinder, and the other end protrudes into outer cylinder top, and flue gas secondary separation device is arranged in inner cylinder, and the shaft of the flue gas separation unit passes through the shaft coupling of the second-order separation cylinder connection motor and transmission device；Gas outlet is arranged in the second-order separation cylinder upper side in the second-order separation cylinder connecting power device bracket；The flue gas carries out decoking dedusting separation through air inlet in inner cylinder, and flue gas after separation is discharged by gas outlet, and cigarette coke powder dirt falls into outer cylinder through inner cylinder after the separation of the second-order separation cylinder, is collected by collection device.The utility model is separated by cyclone centrifugal level-one, and reversal means centrifugal device carries out the second-order separation by reversal means collision, aggregation, and the dedusting for improving straw charring flue gas devokes separation rate.
Description
Technical field
The invention belongs to biomass carbonated technical fields, carbonize flue gas more particularly to a kind of vertical agricultural crop straw of two-stage
Dedusting coke removing appts.
Background technique
China is a large agricultural country, and agricultural crop straw yield is big, but utilization rate is not high, about 35% agricultural crop straw at
For qualified waste, there are a large amount of stalks phenomena such as field accumulation, burning, cause the waste of biomass resource, together
When bring serious air pollution.Agricultural crop straw pyrolysis generates charcoal, and charcoal is very widely used, and straw charring is agriculture
One of crop material resource utilization effective measures.A large amount of flue gases are generated during straw charring, contain tar and powder in flue gas
Dirt is essential byproduct in biomass pyrolysis process, without separation, influences in flue gas the extraction of fuel gas and subsequent
It utilizes, indirectly causes the utilization efficiency of biomass energy；Tar binds wall in the device simultaneously, aggravates the corrosion of device, contracts
Short life, when serious, blocking device influences pyrolysis quality and efficiency.If direct emission, environment is seriously polluted, threatens the mankind strong
Health and Environmental security, while also resulting in the waste of biomass energy.
The Chinese invention patent that number of patent application is 201710658210.3 discloses a kind of cyclone type flue gas ash removal dress
It sets, including shell, ash bucket, blast pipe, discharge pipe, the enclosure interior constitutes the chamber of flow of flue gas, characterized in that the shell
Internal portion is additionally provided with blower, and blower is supplied gas from lower to upper, and the blast pipe is arranged on the downside of blower, and the discharge pipe setting exists
On the upside of blower, filter screen is additionally provided on the upside of blast pipe, flue gas enters chamber from the blast pipe of downside, by filter screen,
Eddy flow is formed under the action of blower to flow up, and is then discharged from discharge pipe, the centrifugation that the particle in flue gas is generated due to eddy flow
Power is thrown toward cavity wall, is finally discharged from the ash port of ash bucket lower end.It is with certain dust removing effects, however biology charing generates
Flue gas in also comprising some burnt matter products, by the inventive structure, only with cyclonic separation, the centrifugal force that whirlwind generates is only
Large-sized dust and tar drop can be separated, to being then difficult except out for small particle.Using filter screen filtration, it is tight that tar blocks strainer
Weight cannot preferably reach decoking dedusting purpose.
Summary of the invention
For the above technical problems, the present invention provides a kind of vertical agricultural crop straw charing flue gas ash removal of two-stage and removes
Coke installation is devoked using cyclonic separation with the two-stage dedusting that reversal means centrifuge separation combines；To improve removing for straw charring flue gas
Dirt devokes efficiency, separation rate；The blockage problem of dust filtering decoking was solved simultaneously.
The purpose of the present invention is achieved through the following technical solutions:
A kind of vertical agricultural crop straw charing flue gas ash removal coke removing appts of two-stage, comprising:
Bracket is used to support outer cylinder；
Outer cylinder is placed in bracket, and collection device, the tangentially-arranged air inlet in top of outer cylinder barrel side is arranged in outer cylinder bottom end
Mouthful；
Inner cylinder, one end connect the second-order separation cylinder of secondary separation device, and the other end protrudes into outer cylinder top, cigarette is arranged in inner cylinder
Gas secondary separation device, the shaft of the flue gas secondary separation device pass through the connection of the second-order separation cylinder connection motor and transmission device
Axis device；
Gas outlet is arranged in the second-order separation cylinder, connecting power device bracket, upper part side；
The flue gas enters through air inlet, wherein misty tar, dust carry out under acting in outer cylinder by cyclone centrifugal
Level-one separation, still unsegregated tar, dust collide by reversal means in the second-order separation cylinder, assemble, and in the effect of centrifugal force
Lower further separation decoking, flue gas after separation are discharged by gas outlet, and cigarette coke powder dirt is after the separation of the second-order separation cylinder through interior
Cylinder falls into outer cylinder, is collected together with the cigarette coke powder dirt that level-one is separated by collection device.
Further, the flue gas secondary separation device is reversal means centrifugal device, including the second-order separation cylinder, shaft, edge turn
Multiple reversal meanss, supporting plate, axle sleeve and the splicing sleeve of axis circumference setting, the shaft be placed in the end of the second-order separation cylinder by axle sleeve and
Splicing sleeve installs supporting plate, and the shaft other end connects the shaft coupling of motor and transmission device.
Further, the reversal means is installed along shaft perficial helical, and spiral head number is even number.
Further, the spacing of the reversal means in a circumferential direction is 3d~5d；Spacing h in the axial direction is 1d~2d, d
For reversal means root diameter (RD).
Further, the reversal means section radius is different, and root diameter (RD) is greater than end diameter, and taper is 1.5 °~
2.5°。
Further, the straight tube diameter of the outer cylinder is D1, the second-order separation cylinder diameter D2=1/2*D1.
Further, gap delta=10~20mm of the reversal means end and the second-order separation cylinder.
Further, axially disposed 3~4 layers of baffle, every layer of baffle are circumferentially uniform on the second-order separation cylinder inner wall
3-4 block baffle, the baffle interlaced arrangement of neighboring layers are set.
Further, it is 50~80mm that the baffle, which intersects length with reversal means,.
The invention has the benefit that
1. the present invention on the basis of cyclone separator, is additionally arranged reversal means formula centrifugal separating device in inner cylinder, whirlwind is constituted
It separates and is centrifugated the two-stage dedusting coke removing appts combined with reversal means.Using mechanical and physics method, misty tar is made to exist
By collision, aggregation in decoking device, separates under the influence of centrifugal force, with improve straw charring flue gas dedusting decoking efficiency,
Separation rate.
2. separator of the present invention increases collision, aggregation, the decoking of atomizing gas using reversal means, especially finger is advantageous
Decoking, to solve the methods of filtering blockage problem at present；Reversal means section radius is different, and the thick end in root is thin, is conducive in centrifugal force
Lower tar threshing；Reversal means takes spiral to install, favorably guarantee reversal means be uniformly distributed, balance and gas discharge.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the portion the I enlarged diagram figure of Fig. 1.
In figure: 1. collection devices, 2. axle sleeves, 3. splicing sleeves, 4. outer cylinders, 5. air inlets, 6. inner cylinders, drum flange in 7., 8.
The second-order separation drum flange I, 9. the second-order separation cylinders, 10. the second-order separation drum flange II, 11. power device brackets, 12. motors and biography
Dynamic device, 13. shaft couplings, 14. sealing covers, 15. bearings, 16. bearing blocks, 17. sealing rings, 18. gas outlets, 19. reversal meanss, 20.
Shaft, 21. supporting plates, 22. brackets, 23. ring flanges, 24. baffles.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment 1: as shown in Figure 1, a kind of vertical agricultural crop straw of two-stage of the present invention carbonizes flue gas ash removal coke removing appts, packet
It includes:
Bracket 22 is used to support outer cylinder 4；
Outer cylinder 4 is placed in bracket 22, and collection device 1 is arranged in 4 bottom end of outer cylinder, and air inlet is arranged in the top of 4 barrel side of outer cylinder
Mouth 5；
Inner cylinder 6, one end connect the second-order separation cylinder 9 of secondary separation device, and the other end protrudes into 4 top of outer cylinder, and connects outer
The air inlet 5 of cylinder 4, inner cylinder 6 is interior to be arranged flue gas separation unit, and the shaft 20 of the flue gas separation unit passes through the second-order separation cylinder 9
Connect the shaft coupling 13 of motor and transmission device 12；
Gas outlet 18 is arranged with 5 opposite side of air inlet of outer cylinder 4 in the second-order separation cylinder 9, connecting power device bracket 11；
The flue gas enters through air inlet 5, wherein misty tar, dust in outer cylinder 4 by under cyclone centrifugal effect into
The separation of row level-one, still unsegregated tar, dust collide by reversal means in the second-order separation cylinder 9, assemble, and in the work of centrifugal force
With lower further separation decoking, flue gas after separation is discharged by gas outlet 18, and cigarette coke powder dirt is after the separation of the second-order separation cylinder 9
Outer cylinder 4 is fallen into through inner cylinder 6, is collected together with the cigarette coke powder dirt that level-one is separated by collection device.
As shown in Figure 1 and Figure 2, the flue gas separation unit be reversal means centrifugal device, including the second-order separation cylinder 9, shaft 20,
Along multiple reversal meanss 19, supporting plate 21, axle sleeve 2 and the splicing sleeve 3 of the setting of 20 circumference of shaft, the shaft 20 is placed in the second-order separation cylinder 9
End supporting plate 21 is installed by axle sleeve 2 and splicing sleeve 3,20 other end of shaft connects the shaft coupling of motor and transmission device 12
13, it is rotated by motor and 12 drive shaft 20 of transmission device, drives the reversal means 19 in shaft 20 to rotate, separate cigarette coke powder dirt.
The reversal means 19 is installed along 20 perficial helical of shaft, and spiral head number is even number, in favor of balance.
As shown in Fig. 2, the spacing of the reversal means 19 in a circumferential direction is 3d~5d；Spacing h in the axial direction be 1d~
2d, d are reversal means root diameter (RD).The section radius of the reversal means 19 is different, and root thickness end is thin, and taper is 1.5 °~2.5 °, benefit
In tar threshing under centrifugal force.
The outer cylinder 4 is made of upper and lower two parts, and top is divided into straight barrel type, and air inlet 5, lower part is arranged in the top of one side
It is divided into back taper.The straight tube diameter of the outer cylinder 4 is D1,9 diameter D2=1/2D1 of the second-order separation cylinder.
As shown in Figure 1 and Figure 2, gap delta=10~20mm of 19 end of reversal means and the second-order separation cylinder 9.
The working principle of the invention:
At work, high speed stalk flue gas enters in outer cylinder 4 present invention through air inlet 5, and mist tar, dust therein exist
Level-one separation is carried out by cyclone centrifugal effect in outer cylinder, wherein the tar of greater particle size, dust are thrown toward surrounding, adhere to outer cylinder
4 inner walls flow down by self weight along barrel.Flue gas after level-one separates is entered by 9 lower port of the second-order separation cylinder, it is still unsegregated compared with
Tar, the dust of small particle collide by reversal means 19 in the second-order separation cylinder 9, assemble, and under the influence of centrifugal force along reversal means
19 move out, and decoking is separated with reversal means, and tar, dust are thrown to 9 inner wall of the second-order separation cylinder, fall into outer cylinder 4 by being self-possessed to flow down,
It is collected together with the cigarette coke powder dirt that level-one is separated by collection device 1.Flue gas after separation passes through 18 row of gas outlet
Out.
Embodiment 2: this example unlike the first embodiment: axially disposed 3 on 9 inner wall of the second-order separation cylinder described in this example
Layer baffle 24, every layer of baffle 24 are uniformly arranged along the circumference 4 block baffles 24,24 interlaced arrangement of baffle of neighboring layers.The baffle
24 intersect length with reversal means 19 for 50mm.Baffle is set, on the one hand makes flue gas circuitous flow in the second-order separation cylinder 9, avoids coke
Oil, dust only move upwards between 9 inner wall of the second-order separation cylinder and reversal means 19 with flue gas, and cause to collide with reversal means, separately
On the one hand, smoke circulation layer between 9 inner wall of the second-order separation cylinder and reversal means 19 is destroyed, the relative motion between reversal means and flue gas is increased,
Conducive to collision, aggregation decoking dedusting.
The spacing of the reversal means 19 in a circumferential direction is 3d；Spacing h in the axial direction is 2d, and d is reversal means root diameter (RD).
The reversal means 19d section radius is different, and root thickness end is thin, and taper is 1.5 °, is conducive to tar threshing under centrifugal force.It is described outer
The straight tube diameter of cylinder 4 is D1,9 diameter D2=1/2*D1 of the second-order separation cylinder.Between the end and the second-order separation cylinder 9 of the reversal means 19
Gap δ=10mm.
Embodiment 3: this example as different from Example 2: axially disposed 4 on 9 inner wall of the second-order separation cylinder described in this example
Layer baffle 24, every layer of baffle 24 are uniformly arranged along the circumference 3 block baffles 24,24 interlaced arrangement of baffle of neighboring layers.The baffle
24 intersect length with reversal means 19 for 80mm.Baffle is set, on the one hand makes flue gas circuitous flow in the second-order separation cylinder 9, avoids coke
Oil, dust only move upwards between 9 inner wall of the second-order separation cylinder and reversal means 19 with flue gas, and cause to collide with reversal means, separately
On the one hand, smoke circulation layer between 9 inner wall of the second-order separation cylinder and reversal means 19 is destroyed, the relative motion between reversal means and flue gas is increased,
Conducive to collision, aggregation decoking dedusting.
The spacing of the reversal means 19 in a circumferential direction is 5d；Spacing h in the axial direction is 1d, and d is reversal means root diameter (RD).
The section radius of the reversal means 19 is different, and root thickness end is thin, and taper is 2.5 °, is conducive to tar threshing under centrifugal force.It is described
Gap delta=20mm of 19 end of reversal means and the second-order separation cylinder 9.
Embodiment 4: this example as different from Example 2: axially disposed 4 on 9 inner wall of the second-order separation cylinder described in this example
Layer baffle 24, every layer of baffle 24 are uniformly arranged along the circumference 4 block baffles 24,24 interlaced arrangement of baffle of neighboring layers.The baffle
24 intersect length with reversal means 19 for 60mm.Baffle is set, flue gas circuitous flow, another party in the second-order separation cylinder 9 are on the one hand made
Smoke circulation layer between 9 inner wall of the second-order separation cylinder and reversal means 19 is destroyed in face, is conducive to collision, aggregation decoking dedusting.
The spacing of the reversal means 19 in a circumferential direction is 4d；Spacing h in the axial direction is 1.5d, and d is that reversal means root is straight
Diameter.The section radius of the reversal means 19 is different, and root thickness end is thin, and taper is 2 °, is conducive to tar threshing under centrifugal force.It is described
Gap delta=15mm of 19 end of reversal means and the second-order separation cylinder 9.
Embodiment 5: this example as different from Example 2: axially disposed 3 on 9 inner wall of the second-order separation cylinder described in this example
Layer baffle 24, every layer of baffle 24 are uniformly arranged along the circumference 3 block baffles 24,24 interlaced arrangement of baffle of neighboring layers.The baffle
24 intersect length with reversal means 19 for 80mm.Baffle is set, flue gas circuitous flow, another party in the second-order separation cylinder 9 are on the one hand made
Smoke circulation layer between 9 inner wall of the second-order separation cylinder and reversal means 19 is destroyed in face, is conducive to collision, aggregation decoking dedusting.
The spacing of the reversal means 19 in a circumferential direction is 3d~5d；Spacing h in the axial direction is 1.8d, and d is reversal means root
Portion's diameter.The section radius of the reversal means 19 is different, and root thickness end is thin, and taper is 2.2 °, de- conducive to tar under centrifugal force
Grain.Gap delta=18mm of 19 end of reversal means and the second-order separation cylinder 9.
Embodiment 6: this example as different from Example 2: axially disposed 4 on 9 inner wall of the second-order separation cylinder described in this example
Layer baffle 24, every layer of baffle 24 are uniformly arranged along the circumference 4 block baffles 24,24 interlaced arrangement of baffle of neighboring layers.The baffle
24 intersect length with reversal means 19 for 70mm.Baffle is set, flue gas circuitous flow, another party in the second-order separation cylinder 9 are on the one hand made
Smoke circulation layer between 9 inner wall of the second-order separation cylinder and reversal means 19 is destroyed in face, is conducive to collision, aggregation decoking dedusting.
The spacing of the reversal means 19 in a circumferential direction is 3.5d；Spacing h in the axial direction is 1.2d, and d is reversal means root
Diameter.The section radius of the reversal means 19 is different, and root thickness end is thin, and taper is 2.2 °, is conducive to tar threshing under centrifugal force.
Gap delta=12mm of 19 end of reversal means and the second-order separation cylinder 9.
Claims (9)
1. a kind of vertical agricultural crop straw of two-stage carbonizes flue gas ash removal coke removing appts, it is characterised in that: include:
Bracket is used to support outer cylinder；
Outer cylinder is placed in bracket, and collection device, the tangentially-arranged air inlet in top of outer cylinder barrel side is arranged in outer cylinder bottom end；
Inner cylinder, one end connect the second-order separation cylinder of secondary separation device, and the other end protrudes into outer cylinder top, flue gas two is arranged in inner cylinder
Grade separator, the shaft of the flue gas secondary separation device pass through the shaft coupling of the second-order separation cylinder connection motor and transmission device
Device；
Gas outlet is arranged in the second-order separation cylinder, connecting power device bracket, upper part side；
The flue gas enters through air inlet, wherein misty tar, dust carry out level-one under acting in outer cylinder by cyclone centrifugal
Separation, still unsegregated tar, dust in the second-order separation cylinder by reversal means collision, aggregation, and under the influence of centrifugal force into
One step separates decoking, and flue gas after separation is discharged by gas outlet, and cigarette coke powder dirt is fallen after the separation of the second-order separation cylinder through inner cylinder
Enter outer cylinder, is collected together with the cigarette coke powder dirt that level-one is separated by collection device.
2. the vertical agricultural crop straw of two-stage carbonizes flue gas ash removal coke removing appts according to claim 1, it is characterised in that: described
Flue gas secondary separation device be reversal means centrifugal device, including the second-order separation cylinder, shaft, along shaft circumference setting multiple reversal meanss,
Supporting plate is installed by axle sleeve and splicing sleeve in supporting plate, axle sleeve and splicing sleeve, the end that the shaft is placed in the second-order separation cylinder, and shaft is another
One end connects the shaft coupling of motor and transmission device.
3. the vertical agricultural crop straw of two-stage carbonizes flue gas ash removal coke removing appts according to claim 2, it is characterised in that: described
Reversal means is installed along shaft perficial helical, and spiral head number is even number.
4. the vertical agricultural crop straw of two-stage carbonizes flue gas ash removal coke removing appts according to claim 3, it is characterised in that: described
The spacing of reversal means in a circumferential direction is 3 d~5d；Spacing h in the axial direction is 1 d~2d, and d is reversal means root diameter (RD).
5. the vertical agricultural crop straw of two-stage carbonizes flue gas ash removal coke removing appts according to claim 3, it is characterised in that: described
Reversal means section radius is different, and root diameter (RD) is greater than end diameter, and taper is 1.5 °~2.5 °.
6. the vertical agricultural crop straw of two-stage carbonizes flue gas ash removal coke removing appts according to claim 1, it is characterised in that: described
The straight tube diameter of outer cylinder is D1, the second-order separation cylinder diameter D2=1/2*D1.
7. the vertical agricultural crop straw of two-stage carbonizes flue gas ash removal coke removing appts according to claim 2, it is characterised in that: described
Gap delta=10~20mm of reversal means end and the second-order separation cylinder.
8. the vertical agricultural crop straw of two-stage carbonizes flue gas ash removal coke removing appts according to claim 1, it is characterised in that: described
Axially disposed 3~4 layers of baffle, every layer of baffle are uniformly arranged along the circumference 3-4 block baffle, neighboring layers on the second-order separation cylinder inner wall
Baffle interlaced arrangement.
9. the vertical agricultural crop straw of two-stage carbonizes flue gas ash removal coke removing appts according to claim 8, it is characterised in that: described
It is 50~80mm that baffle, which intersects length with reversal means,.
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| CN201820401559.9U CN208212731U (en) | 2018-03-23 | 2018-03-23 | A kind of vertical agricultural crop straw charing flue gas ash removal coke removing appts of two-stage |
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| CN201820401559.9U CN208212731U (en) | 2018-03-23 | 2018-03-23 | A kind of vertical agricultural crop straw charing flue gas ash removal coke removing appts of two-stage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108339329A (en) * | 2018-03-23 | 2018-07-31 | 沈阳农业大学 | A kind of vertical agricultural crop straw charing flue gas ash removal coke removing appts of two-stage |
-
2018
- 2018-03-23 CN CN201820401559.9U patent/CN208212731U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108339329A (en) * | 2018-03-23 | 2018-07-31 | 沈阳农业大学 | A kind of vertical agricultural crop straw charing flue gas ash removal coke removing appts of two-stage |
| CN108339329B (en) * | 2018-03-23 | 2023-08-22 | 沈阳农业大学 | Two-stage vertical crop straw carbonization flue gas dust removal and coke removal device |
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