CN208554121U - A kind of distribuor of fluidized bed pressure drop self-adaption regulation system - Google Patents
A kind of distribuor of fluidized bed pressure drop self-adaption regulation system Download PDFInfo
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- CN208554121U CN208554121U CN201821143231.8U CN201821143231U CN208554121U CN 208554121 U CN208554121 U CN 208554121U CN 201821143231 U CN201821143231 U CN 201821143231U CN 208554121 U CN208554121 U CN 208554121U
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- fluidized bed
- distribution grid
- gas distribution
- pressure drop
- bed
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- 238000009826 distribution Methods 0.000 claims abstract description 106
- 239000007787 solid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 22
- 238000005243 fluidization Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 description 8
- 239000012530 fluid Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
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- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 235000011868 grain product Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model relates to a kind of distribuor of fluidized bed pressure drop self-adaption regulation systems, it is characterized by: fixed gas distribution grid is fixedly mounted in fluidized bed bed body lower end, left and right stepper motor is installed respectively on left and right bracket, left and right screw rod is installed respectively between the upper and lower support base of fluidized bed bed body two sides, be slidably connected active gas distribution grid between left and right screw rod, controller is fixedly mounted in the external side of fluidized bed, differential pressure pickup is set between fixed gas distribution grid and active gas distribution grid, and pressure differential recorder is fixedly mounted in the external side of fluidized bed.Design is scientific and reasonable for the utility model, can adjust the pressure drop of fluidized bed bed body by adjusting fixed gas distribution grid and active gas distribution plate spacing, be applicable to the fluidisation of variety classes material, it is applied widely, and it is easy to adjust, precisely, degree of regulation is high for reading.
Description
Technical field
The utility model belongs to fluidized-bed reactor field, is related to fluidized bed pressure drop regulating device, in particular to a kind of stream
Change bed and is distributed anode drop self-adaption regulation system.
Background technique
Fluidized bed is widely used in chemical process, high-efficient with mass-and heat-transfer, smooth performance, and purposes is wide
It is general；Automation of Manufacturing Process, serialization；The features such as the consumption of fluidizing agent is small, and operating cost is low.Good combustion may be implemented
The processes such as burning, heat exchange and drying.
In general, fluidized bed is made of air-intake device, bed body, gas distribution grid and gas-solid separating device etc., wherein
Gas distribution grid play the role of to entire fluidized state it is vital, can play uniform gas distribution and support material
Effect.The setting of distribution grid directly affects the pressure drop of fluidized-bed reaction, and pressure drop is the most important parameter of fluidized bed.For not
Same material, required fluidisation pressure drop are different, therefore existing fluidized bed needs replacing distribution for different material fluidisation
Plate.By the retrieval to patent document, five patent documents similar with present patent application are found:
It is wavy distribution grid that patent CN206613469U, which discloses a kind of distribution grid, and air inlet hole is arranged in wave
At peak and trough, the fluidisation of material can be enhanced, improve fluidization efficiency and by placing hollow gold inside taper air inlet column
Belong to cylindrical casing filler, gas distribution can be made more uniform, airflow direction face bed is avoided, prevent material accumulation from causing dead zone.
It is the gas distribution grid for organosilicon fluidized bed reactor that patent CN107126912U, which discloses a kind of distribution grid,
Including distribution cone, the pedestal fixed through distribution cone center and with cone is distributed, distribution cone is in inverted cone shape, is above provided with
Multiple ventholes, for each venthole in up-narrow and down-wide ladder-like, pedestal is axially disposed through hole.
It is spill airflow-distribution board that patent CN206121710U, which discloses a kind of distribution grid, is changed by plate shaped airflow-distribution board
Into formation, bent downward along the side of its central axes concave structure recessed down and spill airflow-distribution board to be formed it is curved
Folded structure.The concave structure is the concave structure of conical structure, spherical structure or symmetrically arranged convex hyperboloid composition.The gas
Flow point fabric swatch is conducive to the process gas come in from reactor bottom and gulps down the outflow of ability hole by these air-flows, makes to get off from reactor top
Material can be balanced with the process gas risen from below and come into full contact with, maintain metastable air pressure, and distribution grid is simultaneously
Take into account harmonious air-flow, grain products mobility and internal structure fatigue durability.
It is controllable air flow distribution grid, including controller, gas-guide tube, table that patent CN106111024U, which discloses a kind of distribution grid,
Face is provided with airflow-distribution board, electromagnetic proportional valve, current divider and the air inlet pipe of venthole, and air inlet pipe is connected to the input of current divider
End, the delivery outlet of current divider are connected to airflow-distribution board by gas-guide tube, and electromagnetic proportional valve is installed on gas-guide tube, solenoid-operated proportional
The air inlet/outlet of valve is connect with gas-guide tube by connector respectively, and controller is electrically connected to the control terminal of electromagnetic proportional valve to control electricity
The openings of sizes of the air inlet/outlet of magnetic proportioning valve.The airflow-distribution board structure is simple, easy for installation, and when blanking can be according to reality
Operating condition is reasonably distributed adjusting to the air inlet for entering airflow-distribution board, so that effective side face on it forms fluidized state, makes to fall
Material smoothly, improves productivity.
It is the distribution for having 3 area equations on collar plate shape distribution grid that patent CN203437113U, which discloses a kind of distribution grid,
Region is uniformly distributed the circular hole of different pore size on each zone, and the percent opening from central area to edge on 3 regions is continuous
Increase, the gas flux rate of corresponding region is continuously increased, and makes fringe region that fluidized state, center be presented under certain condition
Moving bed state is presented in region, improves the working efficiency of fluidized bed.
The distribution grid of patent document disclosed above cannot be according to practical operation in the actual operating process of fluidization
The size of demand adjustment distribution anode drop, often a kind of distribution grid is only applicable to a type of material, cannot be according to required pressure
The size of drop carries out the automatic adjusument of pressure drop.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and it is adaptive to provide a kind of distribuor of fluidized bed pressure drop
Regulating system, can the pressure drop size according to required for the distribution grid size and practical operation of pressure drop in the actual operation process
Situation, the adaptive spacing adjusted between distribution grid, is applicable to different types of material, applied widely.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of distribuor of fluidized bed pressure drop self-adaption regulation system, including fluidized bed bed body, fluidized bed bed body bottom end
It is fixedly connected with pre-distributor, fluidized bed bed body top is provided with venthole, it is characterised in that: under the fluidized bed bed body
End is fixedly installed with fixed gas distribution grid, and fluidized bed bed body two sides are fixedly installed with left support and right support, institute respectively
It states and is separately installed with left stepper motor and right stepper motor on left support and right support, fluidized bed bed body two sides are fixed respectively
Upper support seat and lower support base are installed, are coated with respectively between the upper support seat and lower support base of fluidized bed bed body two sides
Left screw and right screw, the left screw and right screw both pass through the fixed gas distribution grid and are connected to the left and right step
Be slidably fitted with left slider and right sliding block respectively into motor, in the left screw and right screw, the left slider and right sliding block it
Between be connected with active gas distribution grid, the external side of fluidized bed is fixedly installed with controller, and the controller is connected to institute
Left stepper motor and right stepper motor are stated, is provided with pressure on the fixed gas distribution grid and the active gas distribution grid
Sensor, the external side of fluidized bed are fixedly installed with pressure differential recorder, and the pressure differential recorder is connected to the pressure difference and passes
Sensor.
Moreover, fixed gas distribution grid two sides are fixedly installed with baffle.
Moreover, the fixed gas distribution grid and active gas distribution grid are slit-type gas distribution grid.
Moreover, fluidized bed bed body is transparent fluidized bed bed body.
Moreover, the spacing range of the fixed gas distribution grid and the active gas distribution grid is 0~40mm.
It the advantages of the utility model and has the beneficial effect that
1, the distribuor of fluidized bed pressure drop self-adaption regulation system of the utility model, fluidized bed bed body lower end are fixedly installed with
Left and right stepper motor is separately installed on fixed gas distribution grid, left support and right support, fluidized bed bed body two sides are fixed respectively
It is equipped between upper support seat and the upper support seat and lower support base of lower support base fluidized bed bed body two sides and is coated with left silk respectively
Bar and right screw, left screw and right screw both pass through fixed gas distribution grid and are connected to left and right stepper motor, left screw and the right side
Left slider and right sliding block are slidably fitted on screw rod respectively, active gas distribution grid is connected between left slider and right sliding block, is flowed
Change and be fixedly installed with controller on the outside of bed bed body, controller is connected to the left stepper motor and right stepper motor, fixed gas
Pressure sensor is provided on distribution grid and active gas distribution grid, the external side of fluidized bed is fixedly installed with pressure difference record
Instrument, pressure differential recorder are connected to differential pressure pickup, can be according to material characteristic when placing different fluidisation materials in fluidized bed body
The spacing between fixed gas distribution grid and active gas distribution grid is adjusted, and then adjusts fluidisation pressure drop, guarantees fluid effect, makes
With in extensive range, and it is easy to adjust accurate.
2, the distribuor of fluidized bed pressure drop self-adaption regulation system of the utility model, the fixed peace in fixed gas distribution grid two sides
Equipped with baffle, fluidisation material can be made sufficiently to be gathered in fluidization regions, complete sufficiently fluidisation, guarantee fluid effect, raising fluidization efficiency.
3, the distribuor of fluidized bed pressure drop self-adaption regulation system of the utility model, fixed gas distribution grid and active gas
Distribution grid is slit-type gas distribution grid, and the distributing homogeneity of gas can be improved, and guarantees fluid effect.
4, the distribuor of fluidized bed pressure drop self-adaption regulation system of the utility model, fluidized bed bed body are transparent fluidized bed
Body observes the fluidisation situation of fluidized bed bed body convenient for observer.
5, the distribuor of fluidized bed pressure drop self-adaption regulation system of the utility model, fixed gas distribution grid and active gas
The spacing range of distribution grid is 0~40mm, and the pressure difference for being applicable to different material is adjusted, applied widely.
6, design is scientific and reasonable for the utility model, can be distributed plate spacing by adjusting fixed gas distribution grid and active gas
The pressure drop of fluidized bed bed body is adjusted, is applicable to the fluidisation of variety classes material, it is applied widely and easy to adjust, it reads
Precisely, degree of regulation is high for number.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is under different distributions plate spacing, distribution anode drop fast change curve with the wind；
Fig. 3 is wind speed when being 1.59-2.06m/s, and distribution anode drop is with distribution plate spacing change curve；
Fig. 4 is wind speed when being 0.07-0.53m/s, and distribution anode drop is with distribution plate spacing change curve.
Description of symbols
The left stepper motor of 1-, 2- baffle, 3- fluidized bed bed body, 4- venthole, the right stepper motor of 5-, 6- right support, 7- are solid
Determine under gas distribution grid, 8- right screw, 9- upper support seat, 10- pressure sensor, the right sliding block of 11-, 12- pressure differential recorder, 13-
Support base, 14- active gas distribution grid, 15- pre-distributor, 16- controller, 17- left slider, 18- left screw, 19- left support.
Specific embodiment
Below by specific embodiment, the utility model is described in further detail, following embodiment be it is descriptive, no
It is restrictive, protection scope of this utility model cannot be limited by this.
A kind of distribuor of fluidized bed pressure drop self-adaption regulation system, as shown in Figure 1, including fluidized bed bed body 3, fluidized bed
Body bottom end is fixedly connected with pre-distributor 15, and fluidized bed bed body top is provided with venthole 4, and innovation is: fluidized bed
Bed body lower end is fixedly installed with fixed gas distribution grid 7, and fluidized bed bed body two sides are fixedly installed with left support 19 and right branch respectively
Left stepper motor 1 and right stepper motor 5 are separately installed on frame 6, left support and right support, fluidized bed bed body two sides are fixed respectively
Upper support seat 9 and lower support base 13 are installed, are coated with respectively between the upper support seat and lower support base of fluidized bed bed body two sides
Left screw 18 and right screw 8, left screw and right screw both pass through fixed gas distribution grid and are connected to left and right stepper motor, left
Left slider 17 and right sliding block 11 are slidably fitted on screw rod and right screw respectively, movable gas is connected between left slider and right sliding block
Body distribution grid 14, the external side of fluidized bed are fixedly installed with controller 16, and controller is connected to left stepper motor and right stepping electricity
Pressure sensor 10, the fixed peace in the external side of fluidized bed are provided on machine, fixed gas distribution grid and active gas distribution grid
Equipped with pressure differential recorder 12, pressure differential recorder is connected to differential pressure pickup, when placing different fluidisation materials in fluidized bed body,
The spacing between fixed gas distribution grid and active gas distribution grid can be adjusted according to material characteristic, and then adjusts fluidisation pressure drop,
Guarantee fluid effect, use scope is extensive, and easy to adjust accurate.
Fixed gas distribution grid two sides are fixedly installed with baffle 2, and fluidisation material can be made sufficiently to be gathered in fluidization regions, complete to fill
Shuntingization guarantees fluid effect, improves fluidization efficiency.
Fixed gas distribution grid and active gas distribution grid are slit-type gas distribution grid, and the distribution that gas can be improved is equal
Even property guarantees fluid effect.
Fluidized bed bed body is transparent fluidized bed bed body, and the fluidisation situation of fluidized bed bed body is observed convenient for observer.
The working principle of the utility model are as follows:
1) material adds: material to be fluidized being added in fluidized bed body, material is fallen on fixed gas distribution grid；
2) bed body is ventilated: pre-distributor being connected to blower, blower is opened and ventilates to fluidized bed bed body；
3) pressure difference is adjusted: opening controller, and controls stepper motor and screw rod is driven to be rotated, and then drive active gas
Distribution grid is moved up and down vertically, meanwhile, observe pressure difference and the intracorporal goods fluid shape of fluidized bed on pressure differential recorder
State closes controller and starts to fluidize when fluid effect and pressure difference reach requirement.
The spacing range of fixed gas distribution grid and active gas distribution grid is 0~40mm, is applicable to different material
Pressure difference is adjusted, applied widely, as shown in Fig. 2, with the increase of fixed gas distribution grid and active gas distribution plate spacing,
The pressure drop of fluidized bed is gradually increased.
When fixed gas distribution grid is identical as active gas distribution plate spacing, as wind speed changes, the pressure drop of fluidized bed
Value also changes.Distribution grid pressure drop is with distribution plate spacing variation when being illustrated in figure 3 high wind speed range (1.59-2.06m/s)
Curve graph, with the reduction of wind speed, the corresponding difference being distributed between anode drop of adjacent air speed value is not much different, and difference is about
50pa, as Fig. 4 be low wind speed (0.07-0.53m/s) when distribution grid pressure drop with distribution plate spacing change curve, with wind speed
Reduce, the corresponding difference being distributed between anode drop of adjacent air speed value is also constantly reducing, and difference is about reduced to from 20pa
5pa.
Although disclosing the embodiments of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be with
Understand: departing from the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications are all can
Can, therefore, the scope of the utility model is not limited to the embodiment and attached drawing disclosure of that.
Claims (5)
1. a kind of distribuor of fluidized bed pressure drop self-adaption regulation system, including fluidized bed bed body, fluidized bed bed body bottom end is solid
Surely it is connected with pre-distributor, fluidized bed bed body top is provided with venthole, it is characterised in that: fluidized bed bed body lower end
It is fixedly installed with fixed gas distribution grid, fluidized bed bed body two sides are fixedly installed with left support and right support respectively, described
Left stepper motor and right stepper motor are separately installed on left support and right support, fluidized bed bed body two sides are fixed respectively to pacify
Equipped with upper support seat and lower support base, it is coated with a left side respectively between the upper support seat and lower support base of fluidized bed bed body two sides
Screw rod and right screw, the left screw and right screw both pass through the fixed gas distribution grid and are connected to the left and right stepping
Motor is slidably fitted with left slider and right sliding block in the left screw and right screw, between the left slider and right sliding block respectively
It is connected with active gas distribution grid, the external side of fluidized bed is fixedly installed with controller, and the controller is connected to described
Pressure biography is provided on left stepper motor and right stepper motor, the fixed gas distribution grid and the active gas distribution grid
Sensor, the external side of fluidized bed are fixedly installed with pressure differential recorder, and the pressure differential recorder is connected to the pressure sensing
Device.
2. distribuor of fluidized bed pressure drop self-adaption regulation system according to claim 1, it is characterised in that: the fixed gas
Body distribution grid two sides are fixedly installed with baffle.
3. distribuor of fluidized bed pressure drop self-adaption regulation system according to claim 1, it is characterised in that: the fixed gas
Body distribution grid and active gas distribution grid are slit-type gas distribution grid.
4. distribuor of fluidized bed pressure drop self-adaption regulation system according to claim 1, it is characterised in that: fluidized bed bed body
For transparent fluidized bed bed body.
5. distribuor of fluidized bed pressure drop self-adaption regulation system according to claim 1, it is characterised in that: the fixed gas
The spacing range of body distribution grid and the active gas distribution grid is 0~40mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821143231.8U CN208554121U (en) | 2018-07-19 | 2018-07-19 | A kind of distribuor of fluidized bed pressure drop self-adaption regulation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821143231.8U CN208554121U (en) | 2018-07-19 | 2018-07-19 | A kind of distribuor of fluidized bed pressure drop self-adaption regulation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654525A (en) * | 2018-07-19 | 2018-10-16 | 天津科技大学 | A kind of distribuor of fluidized bed pressure drop self-adaption regulation system and method |
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2018
- 2018-07-19 CN CN201821143231.8U patent/CN208554121U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654525A (en) * | 2018-07-19 | 2018-10-16 | 天津科技大学 | A kind of distribuor of fluidized bed pressure drop self-adaption regulation system and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 |