CN114288887B - Closed powder fluidized bed - Google Patents
Closed powder fluidized bed Download PDFInfo
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- CN114288887B CN114288887B CN202210028262.3A CN202210028262A CN114288887B CN 114288887 B CN114288887 B CN 114288887B CN 202210028262 A CN202210028262 A CN 202210028262A CN 114288887 B CN114288887 B CN 114288887B
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- bin body
- air inlet
- liquid
- air
- fluidized bed
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- 239000000843 powder Substances 0.000 title claims abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 38
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000000889 atomisation Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005243 fluidization Methods 0.000 abstract description 18
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 239000004744 fabric Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011381 foam concrete Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011372 high-strength concrete Substances 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/30—Mixing gases with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/70—Spray-mixers, e.g. for mixing intersecting sheets of material
- B01F25/72—Spray-mixers, e.g. for mixing intersecting sheets of material with nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Nozzles (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The invention discloses a closed powder fluidized bed, which comprises a bin body, a feeding device, an air inlet device, an atomizing device and a connecting device; the air inlet device comprises a body arranged at the bottom of the bin body, the body is provided with an air inlet and a plurality of air outlets communicated with the air inlet, and the air inlet is connected with an external air source through an air inlet pipeline and used for fluidizing powder materials; the atomizing device is positioned at the top in the bin body and is provided with a liquid inlet, an air inlet and an atomizing nozzle; the liquid inlet is connected with an external liquid source, the air inlet is connected with an external air source, and the liquid inlet is used for atomizing liquid of the liquid source and mixing the atomized liquid with fluidized powder materials; the connecting device is movably connected with the body and the bin body, and can enable the body to act to seal the bin body under the action of driving force so as to fluidize and mix powder materials or open the bin body to discharge the mixed materials. The invention is applied to the technical field of powder fluidization, can effectively solve the problems of complex equipment structure, environmental pollution and the like in the prior art, is environment-friendly, simplifies equipment and reduces occupied space.
Description
Technical Field
The invention relates to the technical field of powder fluidization, in particular to a closed powder fluidized bed.
Background
The existing powder materials are usually purified by a bag dust collector and then exhausted outwards in the fluidization process, and mainly comprise a powder bin, a plurality of dust removing filter bags arranged in the powder bin, and an air inlet and outlet control device, wherein dust-containing gas enters a space between the interior of the powder bin and the cloth bags through an inlet and flows upwards, part of large-particle dust is separated out by the dust removing cloth bags due to the action of inertia force and falls into an ash bucket at the bottom of the powder bin, small-particle dust is adhered to the surface of the dust removing cloth bags, and air is sprayed downwards into the dust removing cloth bags at regular time through an air flow air spraying pipe at the top of the powder bin, so that the dust removing cloth bags shake under the action of air flow which flows in an up-down cross manner, and dust on the dust removing cloth bags is shaken off; the filter bag is made of woven filter cloth or non-woven felt, dust-containing gas is filtered by utilizing the filtering effect of fiber fabric, and when the dust-containing gas enters the bag type dust collector, dust with large particles and large specific gravity falls down due to the effect of gravity and falls into the ash bucket, and when the gas containing finer dust passes through the filter material, the dust is blocked, so that the gas is purified. The powder needs to discharge gas to the outside in the fluidization process, so that the powder is easy to pollute the environment on one hand and has a relatively complex structure on the other hand.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a closed powder fluidized bed which is used for overcoming the defects of environmental pollution and the like in the prior art, reducing the pollution of dust to the environment and simplifying the equipment structure.
To achieve the above object, the present invention provides a closed powder fluidized bed comprising:
The bin body is closed at the upper end and is opened at the bottom and is used for providing a space for mixing powder materials and liquid;
One end of the feeding device is connected with the bin body, and the other end of the feeding device is used for inputting powder materials;
The air inlet device comprises a body arranged at the bottom of the bin body, a sealing space is formed by surrounding the body and the bin body, an air inlet and a plurality of air outlets which are communicated with the air inlet are formed in the body, the air outlets face the falling direction of the powder materials, and the air inlet is connected with an external air source through an air inlet pipeline and is used for fluidizing the powder materials;
The atomization device is positioned at the inner top of the bin body and is provided with a liquid inlet, an air inlet and an atomization nozzle, and the atomization nozzle faces downwards; the liquid inlet penetrates through the bin body through the liquid inlet pipe and is connected with an external liquid source, and the air inlet is used for being connected with an external air source through the air inlet pipe and is used for atomizing liquid of the liquid source and mixing the liquid with fluidized powder materials;
The connecting device is movably connected with the body and the bin body of the air inlet device, and can enable the body to act and seal the bin body under the action of a driving force so as to fluidize and mix powder materials or open the bin body to discharge the mixed materials.
In another embodiment, the feeding device comprises at least one feeding pipe obliquely arranged on the bin body from top to bottom, the feeding pipe is communicated with the inside of the bin body, and a feeding electric control valve for controlling the feeding pipe to be communicated with the inside of the bin body is arranged in the feeding pipe.
In another embodiment, the device further comprises a plurality of feeding pipes, wherein the feeding pipes are uniformly distributed along the circumference of the bin body.
In another embodiment, the atomizing device is located above the feed pipe, and the atomizing device comprises an atomizing disk arranged along the cross-sectional direction of the bin body, and a plurality of atomizing nozzles are mounted on the surface of the atomizing disk facing the feed pipe.
In another embodiment, the body is a gate plate with a hollow cavity inside, the air inlets are arranged at the side parts of the gate plate, the air outlets are uniformly distributed at the top of the gate plate, the air inlets and the air outlets are communicated with the hollow cavity, and the side parts of the gate plate are of spherical structures tangent to the inner wall of the bin body;
the air inlet pipeline is positioned at one side of the bin body, one end of the air inlet pipeline is positioned outside the bin body, the other end of the air inlet pipeline is positioned in the bin body and penetrates through the air inlet to be positioned in the hollow cavity, and the flashboard is rotationally connected with the air inlet pipeline;
The connecting device comprises a driving assembly and a driving shaft, wherein the driving assembly and the driving shaft are arranged on the other side of the bin body, the driving assembly is fixedly arranged on the outer wall of the bin body, one end of the driving shaft is positioned outside the bin body and is in transmission connection with the driving assembly, the other end of the driving shaft is positioned in the bin body and is fixedly connected with the flashboard, and the driving shaft is coaxial with the air inlet pipeline.
In another embodiment, the driving assembly comprises a mounting seat, a driving motor and a transmission mechanism;
The mounting seat is fixedly arranged on the outer wall of the bin body, the driving shaft is rotationally connected to the mounting seat and the bin body, the driving motor is fixedly arranged on the mounting seat, and the output end of the driving motor is in transmission connection with the driving shaft through the transmission mechanism.
In another embodiment, each air outlet is provided with a fluidization nozzle, and the fluidization nozzle faces upwards.
In another embodiment, the closed powder fluidized bed further comprises a discharging channel, one end of the discharging channel is communicated with the bottom opening of the bin body, a discharging hole is formed in the other end of the discharging channel, and a discharging valve is arranged in the discharging channel and close to the discharging hole.
In another embodiment, the closed powder fluidized bed further comprises a support, and the bin body and the discharging channel are supported on the support.
In another embodiment, the bin body is further provided with a viewing window.
When the closed powder fluidized bed provided by the invention is used, the connecting device is driven firstly to enable the body of the air inlet device to be in sealing fit with the bin body, the valve of the feeding device is opened to enable powder materials to enter the bin, the air inlet device is started to enter the bin from the bottom of the bin upwards at the same time, the powder materials are fluidized under the action of wind force, the atomized liquid which needs to be mixed with the powder materials is atomized by the atomizing device and then sprayed into the atomized liquid from the upper direction, the atomized liquid is dispersed into tiny liquid drops to be combined with the fluidized powder, so that the uniform mixing of the powder and the liquid is realized, and the closed powder fluidized bed can be widely applied to the fields of solid-liquid two-phase or solid-liquid three-phase homogeneous mixing such as small-capacity solid-liquid mixing, coating, granulating, pulping, high-strength concrete, foam concrete and the like; in the fluidization process, the air inlet device gradually increases air inlet pressure according to the air pressure in the bin body, so that the scheme is completely carried out in a sealed space relative to the existing fluidization equipment, and no external exhaust gas is needed, so that the pollution to the operation environment and the external atmospheric environment is greatly reduced, dust removal equipment is not needed, the equipment structure is simplified, and the occupied space of the treatment process and the equipment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a first isometric view of a sealed powder fluidized bed in accordance with an embodiment of the present invention;
FIG. 2 is a second axial view of a sealed powder fluidized bed according to an embodiment of the present invention;
FIG. 3 is a first cross-sectional view of a sealed powder fluidized bed in accordance with an embodiment of the present invention;
FIG. 4 is a second cross-sectional view of a sealed powder fluidized bed in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of the partial connection of the connecting device, the air inlet device and the bin body in the embodiment of the invention;
FIG. 6 is a schematic view of a partial connection between a connection device and an air intake device according to an embodiment of the present invention;
FIG. 7 is an isometric view of a ram in an embodiment of the invention;
Fig. 8 is a cross-sectional view of a shutter in an embodiment of the present invention.
Reference numerals: the device comprises a bin body 1, an observation window 101, a feed pipe 2, a feed electric control valve 201, an atomization device 3, an atomization disc 301, a flashboard 4, an air inlet 401, an air outlet 402, a hollow cavity 403, a connecting hole 404, a fluidization nozzle 405, an air inlet pipeline 5, an air inlet electric control valve 501, a driving shaft 6, a mounting seat 7, a transmission mechanism 701, a clamp 702, a driving motor 8, a blanking channel 9, a discharge hole 901, a discharge valve 902 and a bracket 10.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; the device can be mechanically connected, electrically connected, physically connected or wirelessly connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
Fig. 1-8 show a sealed powder fluidized bed disclosed in this embodiment, which includes: comprises a bin body 1, a feeding device, an air inlet device, an atomizing device 3 and a connecting device; the upper end of the bin body 1 is closed, and the bottom of the bin body is open and is used for providing a space for mixing powder materials and liquid; one end of the feeding device is connected with the bin body 1, and the other end of the feeding device is used for inputting powder materials; the air inlet device comprises a body arranged at the bottom of the bin body 1, a sealing space is formed by surrounding the body and the bin body 1, an air inlet 401 and a plurality of air outlets 402 which are communicated with the air inlet 401 are formed in the body, the air outlets 402 face the falling direction of powder materials, and the air inlet 401 is connected with an external air source through an air inlet pipeline 5 and is used for fluidizing the powder materials; the atomizing device 3 is positioned at the inner top of the bin body 1 and is provided with a liquid inlet, an air inlet and an atomizing nozzle, and the atomizing nozzle faces downwards; the liquid inlet passes through the bin body 1 through a liquid inlet pipe and is connected with an external liquid source, and the air inlet is used for passing through the bin body 1 through an air inlet pipe and is connected with an external air source, so that the liquid of the liquid source is atomized and mixed with fluidized powder materials; the connecting device is movably connected with the body of the air inlet device and the bin body 1, and can enable the body to act under the action of a driving force to seal the bin body 1 so as to fluidize and mix powder materials or open the bin body 1 to discharge the mixed materials.
In this embodiment, the bin body 1 may adopt a cylindrical structure or a frustum-shaped funnel structure, which is not particularly limited herein; the air inlet device is used for feeding air into the bin body 1 on one hand and playing a role of a valve on the other hand, and the bin body 1 is closed in a closed state of the air inlet device, so that fluidization and mixing operation are started; when the air inlet device is opened, the mixing operation is completed, and the materials are discharged through the bottom of the bin body 1; therefore, the connecting device is driven by the control power source to act so as to realize the closing and opening of the body of the air inlet device.
When the sealed powder fluidized bed is used, the connecting device is driven to enable the body of the air inlet device to be in sealing fit with the bin body 1, a sealing space is formed inside the bin body 1, the feeding device is opened to feed powder materials into the bin body 1, meanwhile, the air inlet device is started to ventilate upwards from the bottom of the bin body 1, the powder materials are fluidized under the action of wind force, liquid to be mixed with the powder materials is atomized by the atomizing device 3 and then sprayed into the bin body 1 from top to bottom, the atomized liquid is dispersed into tiny liquid drops to be combined with fluidized powder, uniform mixing of the powder and the liquid is achieved, and the sealed powder fluidized bed can be widely applied to the fields of solid-liquid mixing, coating, granulating, pulping, high-strength concrete, foam concrete and the like of solid-liquid two-phase or solid-liquid-gas three-phase homogeneous mixing and the like. It should be noted that, because the air inlet device and the atomizing device 3 always introduce the air into the bin body 1 in the fluidization process, and the bin body 1 is airtight, the air pressure in the bin body 1 is gradually increased, so that the air pressure of the air inlet device and the air pressure of the air introduced by the atomizing device 3 also need to be synchronously increased in the implementation process, that is, the air pressure of the air introduced by the air inlet device and the air introduced by the atomizing device 3 is always greater than the air pressure in the bin body 1, the bin body 1 does not need to exhaust air, thus greatly reducing the pollution to the working environment and the external atmospheric environment, and also does not need dust removing equipment, simplifying the equipment structure, and reducing the occupied space of the treatment flow and the equipment.
In this embodiment, the feeding device includes at least one feeding pipe 2 obliquely disposed on the bin body 1 from top to bottom, the feeding pipe 2 is communicated with the inside of the bin body 1, and a feeding electric control valve 201 for controlling the communication area between the feeding pipe 2 and the inside of the bin body 1 is disposed in the feeding pipe 2. The feeding device is obliquely arranged on the bin body 1 by adopting the feeding pipe 2, and preferably, the extension line of the central line of the feeding pipe 2 is intersected with the central axis of the bin body 1, so that materials can spread outwards from the central position after entering the bin body 1 through the feeding pipe 2, and uniform fluidization is facilitated through the air outlet 402 of the air inlet device. The feeding electric control valve 201 is used for controlling the flow of the material, preventing the material from leaking outwards through the feeding pipe 2 in the fluidization process, and ensuring the sealing environment in the bin. Wherein, the number of the feeding pipes 2 in the feeding device is preferably a plurality, and the plurality of the feeding pipes 2 are uniformly distributed along the circumferential direction of the bin body 1.
In this embodiment, the atomizing device 3 is located above the feed pipe 2, and the atomizing device 3 includes an atomizing disk 301 arranged along the cross-sectional direction of the cartridge body 1, and a plurality of atomizing nozzles are mounted on the surface of the atomizing disk 301 facing the feed pipe 2. The structure of the atomizing device 3 can adopt the existing atomizing structure, and the atomizing disk 301 can be set to be a concave cambered surface structure or a round table or frustum-shaped surface structure so as to be suitable for uniform mixing of air flows (the shape with high lift at the central part and lower lift at the edge part) formed after powder materials are fluidized.
In this embodiment, the body is a gate plate 4 with a hollow cavity 403 inside, the air inlets 401 are arranged at the side parts of the gate plate 4, the air outlets 402 are uniformly distributed at the top of the gate plate 4, the air inlets 401 and the air outlets 402 are all communicated with the hollow cavity 403, the side parts of the gate plate 4 are spherical structures tangent to the inner wall of the bin body 1, and sealing rings are arranged at the side parts of the gate plate 4. The air inlet pipeline 5 is located one side of the bin body 1, one end of the air inlet pipeline 5 is located outside the bin body 1, an air inlet electric control valve 501 is arranged on a part of the pipe body, located outside the bin body 1, of the air inlet pipeline 5, the other end of the air inlet pipeline 5 is located in the bin body 1 and penetrates through the air inlet 401 to be located in the hollow cavity 403, and the flashboard 4 is rotationally connected with the air inlet pipeline 5. The connecting device comprises a driving component and a driving shaft 6 which are arranged on the other side of the bin body 1, wherein the driving component is fixedly arranged on the outer wall of the bin body 1, one end of the driving shaft 6 is positioned outside the bin body 1 and is in transmission connection with the driving component, the other end of the driving shaft 6 is positioned in the bin body 1 and is fixedly connected with the flashboard 4, a connecting hole 404 is formed in the flashboard 4 corresponding to the driving shaft 6, and the driving shaft 6 passes through the connecting hole 404 and is positioned in the hollow cavity 403 and is fixedly connected with the flashboard 4 in a key connection or welding mode. The driving shaft 6 is coaxial with the air inlet pipeline 5. The driving assembly drives the driving shaft 6 to rotate, so that the flashboard 4 is driven to rotate by taking the driving shaft 6 and the air inlet pipeline 5 as shafts, and the flashboard 4 can realize the opening or closing of the bin body 1 in the rotating process.
In the specific implementation process, the driving assembly includes a mounting seat 7, a driving motor 8 and a transmission mechanism 701. The mount pad 7 is fixed to be established on the outer wall of storehouse body 1 through bolted connection or welded mode, and drive shaft 6 passes through the bearing to be rotated and is connected on mount pad 7 and storehouse body 1, and driving motor 8 passes through clamp 702 to be fixed to be established on mount pad 7, and driving motor 8's output passes through drive mechanism 701 and links to each other with drive shaft 6 transmission. Wherein the transmission mechanism 701 is a transmission belt.
In a preferred embodiment, the shutter 4 is provided with fluidization nozzles 405 corresponding to the air outlets 402, and the fluidization nozzles 405 face upwards to enhance fluidization effect.
In this embodiment, the sealed powder fluidized bed further includes a discharging channel 9, one end of the discharging channel 9 is communicated with the bottom opening of the bin body 1, the other end is provided with a discharging hole 901, and a discharging valve 902 is arranged in the discharging channel 9 near the discharging hole 901. In the specific implementation process, the blanking channel 9 and the bin body 1 may be an integral body, that is, the gate plate 4 is located at a position between the bin body 1 and the blanking channel 9, and the blanking channel 9 and the bin body 1 may also be a combined structure formed by connecting a plurality of cylindrical structures or truncated cone structures through flanges and bolts. In the specific implementation process, a buffer bucket is connected to the discharging port 901, after the fluidization operation is completed, the gate 4 and the discharging valve 902 are opened, at this time, slurry in the bin body 1 can be directly carried out by high-pressure gas in the bin body 1 to enter the buffer bucket, and the slurry with gas flows out after being buffered in the buffer bucket through the buffer bucket, so that the slurry is prevented from splashing. Meanwhile, a circulating pump can be arranged in the buffer hopper to pump out and recycle the gas sprayed out of the bin body 1.
In this embodiment, the sealed powder fluidized bed further includes a support 10, and the bin body 1 and the discharging channel 9 are supported on the support 10.
In this embodiment, the bin body 1 is further provided with an observation window 101, so that a worker can observe the fluidization condition in the bin body 1 through the observation window 101.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (10)
1. A closed powder fluidized bed, characterized by comprising:
The bin body is closed at the upper end and is opened at the bottom and is used for providing a space for mixing powder materials and liquid;
One end of the feeding device is connected with the bin body, and the other end of the feeding device is used for inputting powder materials;
The air inlet device comprises a body arranged at the bottom of the bin body, a sealing space is formed by surrounding the body and the bin body, an air inlet and a plurality of air outlets which are communicated with the air inlet are formed in the body, the air outlets face the falling direction of the powder materials, and the air inlet is connected with an external air source through an air inlet pipeline and is used for fluidizing the powder materials;
The atomization device is positioned at the inner top of the bin body and is provided with a liquid inlet, an air inlet and an atomization nozzle, and the atomization nozzle faces downwards; the liquid inlet penetrates through the bin body through the liquid inlet pipe and is connected with an external liquid source, and the air inlet is used for being connected with an external air source through the air inlet pipe and is used for atomizing liquid of the liquid source and mixing the liquid with fluidized powder materials;
The connecting device is movably connected with the body and the bin body of the air inlet device, and can enable the body to act and seal the bin body under the action of a driving force so as to fluidize and mix powder materials or open the bin body to discharge the mixed materials.
2. The closed powder fluidized bed according to claim 1, wherein the feeding device comprises at least one feeding pipe obliquely arranged on the bin body from top to bottom, the feeding pipe is communicated with the inside of the bin body, and a feeding electric control valve for controlling the feeding pipe to be communicated with the inside of the bin body is arranged in the feeding pipe.
3. The closed powder fluidized bed according to claim 2, further comprising a plurality of the feed pipes, wherein the feed pipes are uniformly distributed along a circumference of the bin body.
4. A closed powder fluidised bed according to claim 2 or 3, characterised in that the atomising means is located above the feed pipe, the atomising means comprising an atomising disc arranged in the cross-sectional direction of the bin, the face of the disc facing the feed pipe being provided with a plurality of atomising nozzles.
5. The closed powder fluidized bed according to claim 1, 2 or 3, wherein the body is a gate plate with a hollow cavity inside, the air inlets are arranged at the side parts of the gate plate, the air outlets are uniformly distributed at the top of the gate plate, the air inlets and the air outlets are communicated with the hollow cavity, and the side parts of the gate plate are of spherical structures tangent to the inner wall of the bin body;
the air inlet pipeline is positioned at one side of the bin body, one end of the air inlet pipeline is positioned outside the bin body, the other end of the air inlet pipeline is positioned in the bin body and penetrates through the air inlet to be positioned in the hollow cavity, and the flashboard is rotationally connected with the air inlet pipeline;
The connecting device comprises a driving assembly and a driving shaft, wherein the driving assembly and the driving shaft are arranged on the other side of the bin body, the driving assembly is fixedly arranged on the outer wall of the bin body, one end of the driving shaft is positioned outside the bin body and is in transmission connection with the driving assembly, the other end of the driving shaft is positioned in the bin body and is fixedly connected with the flashboard, and the driving shaft is coaxial with the air inlet pipeline.
6. The closed powder fluidized bed according to claim 5, wherein the driving assembly comprises a mounting seat, a driving motor and a transmission mechanism;
The mounting seat is fixedly arranged on the outer wall of the bin body, the driving shaft is rotationally connected to the mounting seat and the bin body, the driving motor is fixedly arranged on the mounting seat, and the output end of the driving motor is in transmission connection with the driving shaft through the transmission mechanism.
7. The closed powder fluidized bed according to claim 5, wherein each of the air outlets is provided with a fluidizing nozzle, and the fluidizing nozzle faces upward.
8. A closed powder fluidized bed according to claim 1, 2 or 3, further comprising a discharging channel, wherein one end of the discharging channel is communicated with the bottom opening of the bin body, the other end of the discharging channel is provided with a discharging hole, and a discharging valve is arranged in the discharging channel at a position close to the discharging hole.
9. The closed powder fluidized bed according to claim 8, further comprising a bracket, wherein the bin body and the discharging channel are supported on the bracket.
10. A closed powder fluidized bed according to claim 1, 2 or 3, wherein the bin body is further provided with an observation window.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110039055.3A CN113209849A (en) | 2021-01-12 | 2021-01-12 | Sealed powder fluidized bed |
| CN2021100390553 | 2021-01-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114288887A CN114288887A (en) | 2022-04-08 |
| CN114288887B true CN114288887B (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110039055.3A Pending CN113209849A (en) | 2021-01-12 | 2021-01-12 | Sealed powder fluidized bed |
| CN202210028262.3A Active CN114288887B (en) | 2021-01-12 | 2022-01-11 | Closed powder fluidized bed |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110039055.3A Pending CN113209849A (en) | 2021-01-12 | 2021-01-12 | Sealed powder fluidized bed |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB995656A (en) * | 1962-05-04 | 1965-06-23 | Zeebrugge Forges Sa | Spray means for delivering a stream of atomized liquid in a carrier gas |
| CN200939941Y (en) * | 2006-08-14 | 2007-08-29 | 福建南方路面机械有限公司 | Pneumatic valve mouth type powder material package machine |
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| CN107261986A (en) * | 2017-07-28 | 2017-10-20 | 上海涵欧制药设备有限公司 | A kind of fluid bed vertical discharging apparatus |
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| CN111686623A (en) * | 2020-06-17 | 2020-09-22 | 中铁二院重庆勘察设计研究院有限责任公司 | Carbon nanotube dispersion equipment for preparing concrete |
| CN218530483U (en) * | 2021-01-12 | 2023-02-28 | 姜春林 | Closed powder fluidized bed |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2657041T3 (en) * | 2012-10-12 | 2018-03-01 | Spraying Systems Co. | Fluidized bed coating apparatus |
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2021
- 2021-01-12 CN CN202110039055.3A patent/CN113209849A/en active Pending
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- 2022-01-11 CN CN202210028262.3A patent/CN114288887B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB995656A (en) * | 1962-05-04 | 1965-06-23 | Zeebrugge Forges Sa | Spray means for delivering a stream of atomized liquid in a carrier gas |
| CN200939941Y (en) * | 2006-08-14 | 2007-08-29 | 福建南方路面机械有限公司 | Pneumatic valve mouth type powder material package machine |
| CN201520550U (en) * | 2009-05-18 | 2010-07-07 | 杭州震乾科技有限公司 | Vicious agglomerating powder material pneumatic conveying device |
| CN107922111A (en) * | 2015-09-10 | 2018-04-17 | 沙特基础工业全球技术有限公司 | Mixing Design of Silo and its application method for dedusting |
| CN107261986A (en) * | 2017-07-28 | 2017-10-20 | 上海涵欧制药设备有限公司 | A kind of fluid bed vertical discharging apparatus |
| CN207913698U (en) * | 2017-12-19 | 2018-09-28 | 陆良安润建材有限责任公司 | A kind of closing environment-friendly dry powder ore pulp mixing arrangement |
| CN111686623A (en) * | 2020-06-17 | 2020-09-22 | 中铁二院重庆勘察设计研究院有限责任公司 | Carbon nanotube dispersion equipment for preparing concrete |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113209849A (en) | 2021-08-06 |
| CN114288887A (en) | 2022-04-08 |
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