CN208757542U - Multipoint cooling type dry fluidizing equipment - Google Patents
Multipoint cooling type dry fluidizing equipment Download PDFInfo
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- CN208757542U CN208757542U CN201821222987.1U CN201821222987U CN208757542U CN 208757542 U CN208757542 U CN 208757542U CN 201821222987 U CN201821222987 U CN 201821222987U CN 208757542 U CN208757542 U CN 208757542U
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- Prior art keywords
- reaction chamber
- tank
- cooling
- cup
- multiple spot
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- 238000001816 cooling Methods 0.000 title claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims abstract description 86
- 239000000843 powder Substances 0.000 claims abstract description 36
- 238000005243 fluidization Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 22
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 21
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 17
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 13
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 13
- 238000004064 recycling Methods 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 12
- 239000000428 dust Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 241000405070 Percophidae Species 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 150000002431 hydrogen Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
Landscapes
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
A multi-point cooling type dry fluidization equipment comprises a sealed tank body and a multi-point cooling device arranged outside the tank body, wherein a bottom bed and a top bed are arranged inside the tank body, the bottom bed comprises a bottom plate and a plurality of hoods arranged on the bottom plate, each hood comprises a body and a hood top, the multi-point cooling device comprises a material returning screw conveyor, a first screw conveyor and a second screw conveyor, the lower ends of the first screw conveyor, the second screw conveyor and the material returning screw conveyor are uniformly distributed on the side wall of a lower reaction chamber and are positioned in the same horizontal plane, the utility model improves the hoods, not only adopts an integral structure formed at one time, but also has no welding seam, solves the problems of cracking and air leakage, and forms a flowing direction which is blown out to the bottom plate in an inclined way due to the fact that the air holes on the hoods are inclined holes, prolongs the flowing route of the air, and increases the contact time of the air and the powder, the contact area of the gas and the powder on the bottom plate is increased, so that the powder has enough time and energy to be blown to boil.
Description
Technical field
The utility model relates to aluminum fluoride production equipment technologies more particularly to a kind of multiple spot cooling-down type dry method fluidisation to set
It is standby.
Background technique
When dry production aluminum fluoride, the boiling device in fluidized bed generallys use blast cap, but the structure of blast cap is different, deposits
In problems, such as the top of blast cap is Duckbill type, after long-time service, corrosivity hydrogen fluoride gas and its there is a level pressure
Power is washed away and is corroded to Duckbill type seam crossing at the top of blast cap, so that being easy to cracking gas leakage herein, there are also the wind of other shapes
Cap, such as it is individually for blast cap setting crown, there is also the seams of large area, also become weak section, and very appearance is fluorinated hydrogen and washes away
Corrosion is extremely cracked.
Summary of the invention
It is necessary to propose a kind of multiple spot cooling-down type dry method fluidizing equipment.
A kind of multiple spot cooling-down type dry method fluidizing equipment, tank body including sealing and the multiple spot being set to outside tank body cooling dress
Set, the cylindrical tank that the tank body is vertically arranged, the top and bottom of tank body are taper, in tank interior setting bottom and
Bed is pushed up, bottom is set to the lower section of tank interior, and top bed is set to the top of tank interior, to pass through bottom and top bed for tank body
Inside is divided into bottom cavity, lower reaction chamber, upper reaction chamber, top chamber, hydrogen fluoride air inlet is arranged on the side wall of bottom cavity, on the top of top chamber
Offgas outlet is arranged in portion, and aluminum fluoride discharge port is arranged on the side wall of the lower reaction chamber above bottom, in upper reaction chamber and lower anti-
The means of communication for answering setting conveying material between chamber, the material in upper reaction chamber is delivered in lower reaction chamber and is reacted,
The bottom and top bed accessory have an identical structure, and the bottom includes bottom plate and several blast caps for being set on bottom plate, bottom plate and tank
Internal wall fixed seal connection opens up the through-hole of several perforations on the surface of bottom plate, and several blast caps and through-hole correspond, wind
Cap is inserted into through-hole, and is seamlessly connected between blast cap and through-hole, and the blast cap includes ontology and crown, and ontology is hollow cylinder
Body, the lower ending opening of ontology, crown is set at the upper end opening of ontology, and is seamlessly connected between crown and ontology, and crown is
At the top of arc, several air holes are opened up on the side wall of ontology, air holes is arranged close to crown, and air holes tilts down from inside to outside
The ontology of inclined hole, blast cap is fixedly connected with the through-hole on bottom plate, and the lower ending opening of ontology is connected to the bottom cavity below bottom plate, is also existed
Powder transition apparatus is set inside upper reaction chamber, and the powder transition apparatus includes fluidisation cup, air inlet pipe, feed pipe, fluidizes cup
Side wall be fixedly connected with the inner tank wall above the bed of top, fluidisation cup is hollow cylinder, fluidizes the top opening of cup, and bottom is sealed
It is stifled, through-hole is set in the bottom of fluidisation cup, one end of air inlet pipe is connect with the through-hole for fluidizing bottom of a cup portion, and the other end is from tank wall
It stretches out, until connecting with external air supply system, one end of feed pipe is stretched to inside fluidisation cup, and the other end is stretched out from tank wall,
It is connect to outside supply aluminium hydroxide powder system, multiple spot cooling device includes returning charge auger conveyor, the first helical feed
Device, the second auger conveyor, the high-end of returning charge auger conveyor connect with upper reaction chamber, and low side is connected to lower reaction chamber, with shape
At the means of communication that powder is delivered to lower reaction chamber from upper reaction chamber, also in the pipe for expecting that auger conveyor is connected to lower reaction chamber
Third feed pipe is set on road, and the low side of the first auger conveyor is for inputting external aluminum fluoride cold burden, high-end and lower reaction chamber
Inside connection, the low side of the second auger conveyor is high-end to be connected to lower reaction chamber inside for inputting external aluminum fluoride cold burden, the
One auger conveyor, the second auger conveyor, returning charge auger conveyor low side be distributed on the side wall of lower reaction chamber, and be in
In same horizontal plane, be used in the aluminum fluoride cold burden of cooling even into lower reaction chamber inside.
Preferably, the aperture height of the adjacent air holes of the blast cap is different.
Preferably, the inclined degree of the adjacent air holes of the blast cap is different.
Preferably, the opening diameter of the air holes successively decreases from inside to outside, to increase pressure when gas sprays ontology.
Preferably, the bottom of the fluidisation cup is curved bottom, and the center with curved bottom is arranged in air inlet pipe, so that
The powder of entrance is moved to curved bottom center, to be blown afloat by the gas in air inlet pipe.
Preferably, the inner wall of the side wall of one end of the feed pipe and fluidisation cup is close to setting, and the feed end of feed pipe
Port distance fluidisation rim of a cup portion height be less than fluidisation cup height 1/4.
Preferably, the oral area of cup is fluidized as inclination port, the inclined direction of oral area is to tilt down to tank body center,
Blocking surface suffered by cup is fluidized to reduce to fly out when powder is blown afloat.
Preferably, the multiple spot cooling-down type dry method fluidizing equipment further includes condensate recycling device, and condensate recycling device includes
The first cooling tank and the second cooling tank being connected in series, the first cooling tank top inlet are connected to tank base, and first is cooling
The bottom liquid outlet of tank is connect with inlet at the top of the second cooling tank, and the second cooling pot bottom liquid outlet collects condensation for outlet
Hydrogen fluoride, the first control valve is set between the first cooling tank and the second cooling tank, the second cooling tank outlet at bottom be arranged
Second control valve works alternatively between the first control valve and the second control valve, to realize the sealing outlet of condensation hydrogen fluoride.
In the utility model, the structure of blast cap is improved, not only with the overall structure of disposal molding, there is no welderings
Seam solves the problems, such as cracking gas leakage, and the air holes on blast cap is to be inclined outwardly inclined hole, and the gas into ontology is blown from air holes
It is directed to when out, forms the flow direction for being tilted towards bottom plate blowout, elongated the route of gas flowing, increased gas and powder
Time of contact, the contact area of the powder on gas and bottom plate is increased, so that powder has time enough and energy quilt
Blow afloat boiling.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multiple spot cooling-down type dry method fluidizing equipment.
Fig. 2 is the main view of multiple spot cooling-down type dry method fluidizing equipment.
Fig. 3 is the top view of the tower body in multiple spot cooling-down type dry method fluidizing equipment.
Fig. 4 is the partial sectional view of the tower body in multiple spot cooling-down type dry method fluidizing equipment.
Fig. 5 is the structural schematic diagram of bottom.
Fig. 6 is the structural schematic diagram of blast cap.
Fig. 7 is the cross-sectional view of blast cap.
Fig. 8 is the cross-sectional view of the blast cap of another preferred embodiment.
Fig. 9 is the structural schematic diagram that powder transition apparatus is arranged.
In figure: multiple spot cooling-down type dry method fluidizing equipment 30, bottom 31, bottom plate 311, blast cap 312, ontology 3121, crown
3122, air holes 3123, top bed 32, bottom cavity 33, hydrogen fluoride air inlet 331, lower reaction chamber 34, aluminum fluoride discharge port 341, upper reaction
Chamber 35, setting powder transition apparatus 351, fluidisation cup 3511, air inlet pipe 3512, feed pipe 3513, top chamber 36, offgas outlet 361,
First dust-extraction unit 41, the second dust-extraction unit 42, the first cooling tank 51, the second cooling tank 52, multiple spot cooling device 61, returning charge spiral shell
Revolve conveyer 611, the first auger conveyor 612, the second auger conveyor 613, third feed pipe 614.
Specific embodiment
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Referring to Fig. 1 to Fig. 9, the utility model embodiment provides a kind of multiple spot cooling-down type dry method fluidizing equipment 30, including
The tank body of sealing and the dust-removing recovery device being set to outside tank body and multiple spot cooling device, the circle that the tank body is vertically arranged
Cylindricality tank body, the top and bottom of tank body are taper, and in tank interior setting bottom 31 and top bed 32, bottom 31 is set to tank body
Internal lower section, top bed 32 are set to the top of tank interior, tank interior is divided into bottom cavity by bottom 31 and top bed 32
33, lower reaction chamber 34, upper reaction chamber 35, top chamber 36, are arranged hydrogen fluoride air inlet 331 on the side wall of bottom cavity 33, in top chamber 36
Top offgas outlet 361 is set, setting aluminum fluoride discharge port 341 on the side wall of the lower reaction chamber 34 bottom 31 above,
The means of communication of setting conveying material, is delivered to lower reaction for the material in upper reaction chamber between upper reaction chamber and lower reaction chamber
Intracavitary to be reacted, the bottom 31 and top bed 32 have identical structure, and the bottom 31 includes bottom plate 311 and is set to bottom plate
Several blast caps 312 on 311, bottom plate 311 and inner tank wall fixed seal connection, open up several pass through on the surface of bottom plate 311
Logical through-hole, several blast caps 312 are corresponded with through-hole, and blast cap 312 is inserted into through-hole, and nothing between blast cap 312 and through-hole
Seam connection, the blast cap 312 include ontology 3121 and crown 3122, and ontology 3121 is hollow cylinder, the lower end of ontology 3121
Opening, crown 3122 is set at the upper end opening of ontology 3121, and is seamlessly connected between crown 3122 and ontology 3121, crown
3122 is at the top of arc, open up several air holes 3123 on the side wall of ontology 3121, and air holes 3123 is arranged close to crown 3122, wind
Hole 3123 is the inclined hole tilted down from inside to outside, and the ontology 3121 of blast cap 312 is fixedly connected with the through-hole on bottom plate 311, this
The lower ending opening of body 3121 is connected to the bottom cavity 33 of 311 lower section of bottom plate, and powder transition apparatus is arranged also inside upper reaction chamber 35
351, the powder transition apparatus includes fluidisation cup 3511, air inlet pipe 3512, feed pipe 3513, fluidizes side wall and the top of cup 3511
The inner tank wall of 32 top of bed is fixedly connected, and fluidisation cup 3511 is hollow cylinder, fluidizes the top opening of cup 3511, bottom envelope
It is stifled, through-hole is set in the bottom of fluidisation cup 3511, one end of air inlet pipe 3512 is connect with the through-hole of fluidisation 3511 bottom of cup, another
End is stretched out from tank wall, until connecting with external air supply system, one end of feed pipe 3513 is stretched to inside fluidisation cup 3511, separately
One end is stretched out from tank wall, until connecting with outside supply aluminium hydroxide powder system, dust-removing recovery device includes being connected in series
The first dust-extraction unit 41 and the second dust-extraction unit 42, the tail gas of the blast pipe and tank body top top of chamber of the first dust-extraction unit 41 goes out
The discharge pipe of mouth connection, 41 top of the first dust-extraction unit is connect with the second dust-extraction unit 42, to enter the first dedusting of two-stage dust removal
First dust outlet of 41 bottom of device is used to export the dust of recycling, and the blast pipe of the second dust-extraction unit 42 and the first dedusting fill
The discharge pipe connection at 41 tops is set, the discharge pipe at 42 top of the second dust-extraction unit sends out the hydrogen fluoride gas after dedusting, and second
Second dust outlet of 42 bottom of dust-extraction unit be used for export recycling dust, the first dust outlet of the first dust-extraction unit 41 with
Second dust outlet of 42 bottom of the second dust-extraction unit is connected to inside lower reaction chamber, and the powder after collecting is fed through tank
Circular response utilization is carried out in vivo.
Multiple spot cooling device 61 includes returning charge auger conveyor 611, the first auger conveyor 612, the second auger conveyor
613, the high-end of returning charge auger conveyor 611 connect with upper reaction chamber, and low side is connected to lower reaction chamber, to be formed powder from upper
Reaction chamber is delivered to the means of communication of lower reaction chamber, and third also is arranged on the pipeline that material auger conveyor is connected to lower reaction chamber
Feed pipe 614, the low side of the first auger conveyor 612 for inputting external aluminum fluoride cold burden, it is high-end with connect inside lower reaction chamber
Logical, the low side of the second auger conveyor 613 is high-end to be connected to lower reaction chamber inside for inputting external aluminum fluoride cold burden, and first
Auger conveyor 612, the second auger conveyor 613, returning charge auger conveyor 611 low side be distributed in the side wall of lower reaction chamber
On, and in the same horizontal plane, be used in the aluminum fluoride cold burden of cooling even into lower reaction chamber inside.
Reacting in lower reaction chamber is exothermic reaction, and temperature maintains between 580-620 °, and excessively high temperature can be powder
Burn it is hardened blocking, so control the temperature in lower reaction chamber be it is critically important, the reaction in upper reaction chamber is the endothermic reaction, instead
Answer temperature control at 280-450 °, and the temperature in upper reaction chamber is provided by the temperature in lower reaction chamber.
In lower reaction chamber when the temperature is excessively high, pass through the first auger conveyor 612, the second auger conveyor 613, third
The aluminum fluoride that cold conditions is sent into the downward reaction chamber of feed pipe 614 carries out temperature control, and not only the aluminum fluoride temperature of cold conditions is lower, and
And the addition of aluminum fluoride, it pushes the chemical reaction in lower reaction chamber inversely to carry out, reduces the release of heat, realize fast cooling,
In addition, the first auger conveyor 612, the second auger conveyor 613, third feed pipe 614 are evenly arranged in inside lower reaction chamber,
Uniform balance cooling is realized, the excessively high problem of some areas temperature is avoided.
Further, the aperture height of the adjacent air holes 3123 of the blast cap 312 is different.
Further, the inclined degree of the adjacent air holes 3123 of the blast cap 312 is different.
Air holes 3123 be set as aperture height it is identical, when inclined degree is identical, the fluorination that is blown out along several air holes 3123
Hydrogen airflow direction is consistent, and the wind face covering surface of formation is along the circle wind face around ontology 3121, but within wind face
Or position in addition cannot directly be contacted with wind face, then this powder at two can not directly be blown afloat, and can only be by neighbouring
Return air is blown afloat.
So by the aperture of air holes 3123 height to set different, inclined degree also different for this programme, to increase outlet air
The coverage area in wind face is directly blown afloat so that the powder around blast cap 312 is all directly contacted with wind face.
Further, the opening diameter of the air holes 3123 successively decreases from inside to outside, with increase gas spray ontology 3121 when
Pressure.
Further, the bottom of the fluidisation cup 3511 is curved bottom, the center of air inlet pipe 3512 setting and curved bottom
Position, so that the powder entered is moved to curved bottom center, to be blown afloat by the gas in air inlet pipe 3512.Arcuate bottom
The setting in portion not only promotes powder mobile to center, and avoid bottom four corners save bit by bit or remain powder cannot be by gas
Body is blown afloat.
Further, the inner wall of the side wall of one end of the feed pipe 3513 and fluidisation cup 3511 is close to setting, and feed pipe
The height of port distance fluidisation 3511 oral area of cup of 3513 feed end is less than the 1/4 of fluidisation 3511 height of cup.
Further, the oral area for fluidizing cup 3511 is inclination port, and the inclined direction of oral area is downward to tank body center
Inclination, fluidizes blocking surface suffered by cup 3511 to reduce to fly out when powder is blown afloat.
Further, dust-removing recovery device further includes sending out pipeline, sends out first powder of the pipeline with the first dust-extraction unit 41
Dirt outlet is connected with the second dust outlet of 42 bottom of the second dust-extraction unit, and control valve is arranged on sending out pipeline, is received with controlling
It is recycled in powder outlet or feeding tank body after collection.
The main reaction of dry production aluminum fluoride is Al (OH)3 + 3HF = AlF3 + 3H2O+Q,
The reaction mainly occurred in upper reaction chamber are as follows: 2Al (OH)3 = Al2O3 + 3H2O-Q, the reaction are that heat absorption is anti-
It answers,
The reaction mainly occurred in lower reaction chamber are as follows: Al2O3 + 6HF = 2AlF3 + 3H2O+Q, the reaction are to put
Thermal response,
The above reaction is reversible reaction, so aluminium hydroxide is decomposed into aluminium oxide, alumina powder in upper reaction chamber
Reaction generates aluminium oxide to particle in reaction chamber under entrance, and also has partial oxidation aluminium powder and hydrogen fluoride gas removing by top
Dirt recyclable device absorbs, and after being recovered by filtration, partially by outlet, is partially sent into reaction in lower reaction chamber as reaction raw materials,
The recycling of material is so not only accomplished, has improved conversion ratio, and the aluminium oxide temperature being recovered by filtration is very low, has been sent into
The temperature of reaction material can be reduced in lower reaction chamber, control reaction temperature and reaction process in lower reaction chamber.
Further, condensate recycling device includes the first cooling tank 51 and the second cooling tank 52 being connected in series, and first is cooling
51 top inlet of tank is connected to tank base, the 52 top inlet of bottom liquid outlet and the second cooling tank of the first cooling tank 51
Connection, 52 bottom liquid outlet of the second cooling tank collect the hydrogen fluoride of condensation for outlet, cooling in the first cooling tank 51 and second
First control valve is set between tank 52, the second control valve, the first control valve and second are set in 52 outlet at bottom of the second cooling tank
It is worked alternatively between control valve, to realize the sealing outlet of condensation hydrogen fluoride.
Module or unit in the utility model embodiment device can be merged according to actual needs, divide and be deleted
Subtract.
Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly
Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality
The equivalent variations made by novel claim, still falls within the scope of the utility model.
Claims (8)
1. a kind of multiple spot cooling-down type dry method fluidizing equipment, it is characterised in that: tank body including sealing and be set to outside tank body
The top and bottom of multiple spot cooling device, the cylindrical tank that the tank body is vertically arranged, tank body are taper, in tank interior
Bottom and top bed are set, bottom is set to the lower section of tank interior, and top bed is set to the top of tank interior, with by bottom and
Tank interior is divided into bottom cavity, lower reaction chamber, upper reaction chamber, top chamber by top bed, and hydrogen fluoride air inlet is arranged on the side wall of bottom cavity,
On top, offgas outlet is arranged in the top of chamber, aluminum fluoride discharge port is arranged on the side wall of the lower reaction chamber above bottom, upper anti-
The means of communication for answering setting conveying material between chamber and lower reaction chamber, the material in upper reaction chamber is delivered in lower reaction chamber
It being reacted, the bottom and top bed accessory have an identical structure, and the bottom includes bottom plate and several blast caps for being set on bottom plate,
Bottom plate and inner tank wall fixed seal connection open up the through-hole of several perforations, several blast caps and through-hole one on the surface of bottom plate
One is corresponding, and blast cap is inserted into through-hole, and is seamlessly connected between blast cap and through-hole, and the blast cap includes ontology and crown, ontology
For hollow cylinder, the lower ending opening of ontology, crown is set at the upper end opening of ontology, and seamless company between crown and ontology
It connects, crown is that several air holes are opened up on the side wall of ontology at the top of arc, and air holes is arranged close to crown, and air holes is from inside to outside
The ontology of the inclined hole tilted down, blast cap is fixedly connected with the through-hole on bottom plate, the lower ending opening of ontology and the bottom below bottom plate
Chamber connection, also inside upper reaction chamber be arranged powder transition apparatus, the powder transition apparatus include fluidisation cup, air inlet pipe, into
Expects pipe, the side wall for fluidizing cup are fixedly connected with the inner tank wall above the bed of top, and fluidisation cup is hollow cylinder, fluidizes the top of cup
Opening, bottom block, and through-hole are arranged in the bottom of fluidisation cup, one end of air inlet pipe is connect with the through-hole in fluidisation bottom of a cup portion, another
End is stretched out from tank wall, and to connecting with external air supply system, one end of feed pipe, which stretches to, to be fluidized inside cup, and the other end is from tank
Body sidewall stretches out, and connect to external aluminium hydroxide powder system of supplying, and multiple spot cooling device includes returning charge auger conveyor, the
One auger conveyor, the second auger conveyor, the high-end of returning charge auger conveyor connect with upper reaction chamber, low side and lower reaction chamber
Connection is also reacted under in material auger conveyor with forming the means of communication that powder is delivered to lower reaction chamber from upper reaction chamber
Third feed pipe is set on the pipeline of chamber connection, and the low side of the first auger conveyor is high-end for inputting external aluminum fluoride cold burden
It is connected to inside lower reaction chamber, the low side of the second auger conveyor is for inputting external aluminum fluoride cold burden, high-end and lower reaction chamber
Inside connection, the first auger conveyor, the second auger conveyor, returning charge auger conveyor low side be distributed in the side of lower reaction chamber
On wall, and in the same horizontal plane, be used in the aluminum fluoride cold burden of cooling even into lower reaction chamber inside.
2. multiple spot cooling-down type dry method fluidizing equipment as described in claim 1, it is characterised in that: the adjacent air holes of the blast cap
Aperture height is different.
3. multiple spot cooling-down type dry method fluidizing equipment as described in claim 1, it is characterised in that: the adjacent air holes of the blast cap
Inclined degree is different.
4. multiple spot cooling-down type dry method fluidizing equipment as described in claim 1, it is characterised in that: the opening diameter of the air holes from
Successively decrease from inside to outside, to increase pressure when gas sprays ontology.
5. multiple spot cooling-down type dry method fluidizing equipment as described in claim 1, it is characterised in that: the bottom of the fluidisation cup is arc
Shape bottom, the center of air inlet pipe setting and curved bottom, so that the powder entered is moved to curved bottom center,
To be blown afloat by the gas in air inlet pipe.
6. multiple spot cooling-down type dry method fluidizing equipment as described in claim 1, it is characterised in that: one end of the feed pipe and stream
Change the inner wall of the side wall of cup close to setting, and the height in the port distance fluidisation rim of a cup portion of the feed end of feed pipe is less than fluidisation cup
The 1/4 of height.
7. multiple spot cooling-down type dry method fluidizing equipment as described in claim 1, it is characterised in that: the oral area for fluidizing cup is beveled end
Mouthful, the inclined direction of oral area is to tilt down to tank body center, is fluidized suffered by cup with reducing to fly out when powder is blown afloat
Blocking surface.
8. multiple spot cooling-down type dry method fluidizing equipment as described in claim 1, it is characterised in that: the multiple spot cooling-down type dry method stream
Changing equipment further includes condensate recycling device, and condensate recycling device includes the first cooling tank and the second cooling tank being connected in series, the
Inlet is connected to tank base at the top of one cooling tank, inlet at the top of the bottom liquid outlet of the first cooling tank and the second cooling tank
Connection, the second cooling pot bottom liquid outlet collect the hydrogen fluoride of condensation for outlet, the first cooling tank and the second cooling tank it
Between the first control valve is set, in the second cooling tank outlet at bottom, the second control valve is set, the first control valve and the second control valve it
Between work alternatively, with realize condensation hydrogen fluoride sealing outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222987.1U CN208757542U (en) | 2018-07-31 | 2018-07-31 | Multipoint cooling type dry fluidizing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222987.1U CN208757542U (en) | 2018-07-31 | 2018-07-31 | Multipoint cooling type dry fluidizing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208757542U true CN208757542U (en) | 2019-04-19 |
Family
ID=66131024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821222987.1U Active CN208757542U (en) | 2018-07-31 | 2018-07-31 | Multipoint cooling type dry fluidizing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208757542U (en) |
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2018
- 2018-07-31 CN CN201821222987.1U patent/CN208757542U/en active Active
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