CN206560847U - Top spray granulation device and fluidised bed granulator - Google Patents
Top spray granulation device and fluidised bed granulator Download PDFInfo
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- CN206560847U CN206560847U CN201720152906.4U CN201720152906U CN206560847U CN 206560847 U CN206560847 U CN 206560847U CN 201720152906 U CN201720152906 U CN 201720152906U CN 206560847 U CN206560847 U CN 206560847U
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Abstract
The utility model is related to field of pharmaceutical equipment, discloses a kind of top spray granulation device and fluidised bed granulator.In the utility model, top spray granulation device includes：First passage, second channel and a thimble；Thimble is arranged in first passage, and can be moved up and down in first passage, and second channel is located at the periphery of first passage, for accommodating atomization gas, and a nozzle is set in the exit of second channel；When thimble is moved down, thimble ejection nozzle prevents the liquid of granulation from blocking first passage；When thimble is moved up, the liquid of granulation flows out through first passage, and nozzle carries out atomization to the liquid of the granulation of outflow by atomization gas and forms droplet ejection, can prevent plug nozzle, improve production efficiency.
Description
Technical field
The utility model is related to field of pharmaceutical equipment, more particularly to a kind of top spray granulation device and fluidised bed granulator.
Background technology
When have in solid particle fluid by when, as fluid velocity gradually increases, solid particle setting in motion, and solid
Frictional force between particle is also increasing, when flow velocity reaches certain value, and the frictional force between solid particle is equal with gravity,
Each particle can be with free movement, and solid particle shows the phenomenon of similar fluid state, referred to as fluidization.Fluid bed is exactly base
It is used for realizing that material completes fluidised equipment in above mechanism.It is equal that there is fluid bed gas-particle two-phase to contact abundant, heat and mass
It is even, be widely used in all conglomeraties such as the energy, chemical industry, environmental protection and metallurgy the features such as bed temperature is uniform.
Fluidized bed granulation method is the fluidized state for keeping under the airflow function for making drug powder from bottom to top suspending, bonding
Agent liquid sprays into the method for making powder be agglomerated into particle into fluidising chamber from top or bottom.Boiling can be completed in an equipment
Mixing, spraying granulation, the also known as process (can also be coated) of pneumatic conveying drying, one-step palletizing.
During the utility model is realized, utility model people has found：In application fluidized bed granulation method granulation, fluidisation
The top spray device of bed is generally simple fluid injector or sprayed using gas mixing, and the shortcoming of the technical scheme is to be sprayed
The drop penetrated is larger, because of the relatively irregular therefore a small amount of particle adhesion of grain fluidized motion state in mixing granulation production
It is usually inevitable, especially for the small particle of particle diameter, influence production efficiency and product quality.In addition, in pelletization
The easy plug nozzle of medicine, making can not smoothly pharmacy.
Utility model content
The purpose of this utility model is to provide a kind of top spray granulation device and fluidised bed granulator, can prevent from blocking
Nozzle, improves production efficiency.
In order to solve the above technical problems, embodiment of the present utility model provides a kind of top spray granulation device, including：The
One passage, second channel and a thimble；Thimble is arranged in first passage, and can be moved up and down in first passage, second
Passage is located at the periphery of first passage, for accommodating atomization gas, and a nozzle is set in the exit of second channel；Thimble is moved down
When, thimble ejection nozzle prevents the liquid of granulation from blocking first passage；When thimble is moved up, the liquid of granulation is logical through first
Road flows out, and nozzle carries out atomization to the liquid of the granulation of outflow by atomization gas and forms droplet ejection.
Embodiment of the present utility model provides a kind of fluidised bed granulator, including foregoing top spray granulation device.
In terms of existing technologies, thimble is arranged in first passage the utility model embodiment, and can be first
Moved up and down in passage, second channel is located at the periphery of first passage, for accommodating atomization gas, is set in the exit of second channel
Put a nozzle；When thimble is moved down, thimble ejection nozzle prevents the liquid of granulation from blocking first passage；When thimble is moved up, granulation
Liquid flows out through first passage, and nozzle carries out atomization to the liquid of the granulation of outflow by atomization gas and forms droplet spray
Go out, plug nozzle can be prevented, improve production efficiency.
In addition, top spray granulation device also includes a fixed platform, positioned at the top of the first accommodating chamber, thimble is fixed on fixation
On platform.
In addition, top spray granulation device also includes a spring, spring is fixedly installed on the stationary platform.
In addition, top spray granulation device also includes the second accommodating chamber, be arranged on the lower section of fixed platform, and with fixed platform shape
It is into a single integrated structure.
In addition, top spray granulation device also includes the second inlet channel, connected with the second accommodating chamber, gas passes through the second air inlet
Passage enters the second accommodating chamber, and spring formation is upwarded pressure, spring is compressed upwards, drives thimble to move up, is pelletized
Liquid flows out through first passage；When closing the second inlet channel, fixed platform drop-down spring drives thimble to move down,
Thimble ejects nozzle, can prevent plug nozzle, improves production efficiency.
In addition, being provided with spiral groove on the inside of nozzle, the distribution for changing atomization gas makes atomization gas be used with granulation
Liquid fully contact, granulation is uniform.
In addition, the adjustable length of nozzle, can adjust the size and angle of granulation.
Brief description of the drawings
Fig. 1 is the structural representation of the top spray granulation device of the utility model embodiment.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Each embodiment of type is explained in detail.However, it will be understood by those skilled in the art that each in the utility model
In embodiment, in order that reader more fully understands the application and proposes many ins and outs.But, even if without these skills
Art details and many variations based on following embodiment and modification, can also realize the application technical side claimed
Case.
The utility model embodiment is related to a kind of top spray granulation device.As shown in figure 1, top spray granulation device includes：The
One passage 1, the thimble 3 of second channel 2 and one.Thimble 3 is arranged in first passage 1, and can be moved down on first passage 1 is interior
Dynamic, second channel 2 is located at the periphery of first passage 1, for accommodating atomization gas, and a nozzle is set in the exit of second channel 2
4.When thimble 3 is moved down, the ejection nozzle 4 of thimble 3 prevents the liquid of granulation from blocking first passage.When thimble 3 is moved up, granulation is used
Liquid flowed out through first passage 1, nozzle 4 carries out atomization to the liquid of the granulation of outflow by atomization gas and forms droplet spraying
Go out.Wherein, the liquid of granulation is preferably binder liq, for bonding the powder in fluid bed.
The utility model embodiment, by the way that thimble 3 is moved down into ejection nozzle 4, can prevent granulation in pelletization
Liquid plug nozzle, improves production efficiency.
In more specifically embodiment, top spray granulation device also includes the first accommodating chamber 5 and a feed pathway 6.First
Accommodating chamber 5 is connected with first passage 1, and the liquid for accommodating granulation, feed pathway 6 is connected with the first accommodating chamber 5, and granulation is used
Liquid carried out by feed pathway 6 into the first accommodating chamber 5.
Top spray granulation device also includes the first inlet channel 7, is connected with second channel 2.First inlet channel 7 is located at feed liquor
The lower section of passage 6.Atomization gas is carried out into second channel 2 by the first inlet channel 7.
In the utility model embodiment, top spray granulation device also includes a fixed platform 8 and a spring 9, positioned at the
The top of one accommodating chamber 5, thimble 3 is fixed in fixed platform 8.Spring 9 is fixedly installed in fixed platform 8.
Top spray granulation device also includes the second accommodating chamber 10 and the second inlet channel 11, and the second accommodating chamber 10 is arranged on fixation
The lower section of platform 8, and form integrative-structure with fixed platform 8.Second inlet channel 11 is connected with the second accommodating chamber 10.Gas leads to
Cross the second inlet channel 11 and enter the second accommodating chamber 10, the formation of spring 9 is upwarded pressure, make the compression upwards of spring 9, drive top
Pin 3 is moved up, and the liquid of granulation flows out through first passage 1.When closing the second inlet channel 11, the drop-down bullet of fixed platform 8
Spring 9, drives thimble 3 to move down, the ejection nozzle 4 of thimble 3, can prevent the liquid plug nozzle of the granulation in pelletization
4, so as to improve production efficiency.
In the utility model embodiment, in normal pharmaceutical practice, persistently fed gas into by the second inlet channel 11
Second accommodating chamber 10, moves up fixed platform 8, to spring 9 formation upward pressure, spring 9 upwards compress, drive thimble 3 to
Upper movement.When the liquid plug nozzle 4 of granulation, the second inlet channel 11 is closed, thimble 3 is moved down under the action of the spring, pushed up
Delivery nozzle 4, so as to dredge nozzle 4, makes top spray granulation device can continue to granulation, improves production efficiency.
In the utility model embodiment, second channel inwall is settable spiral groove (not shown), is used for
Change the distribution of atomization gas, atomization gas is fully contacted with the liquid of granulation, granulation is uniform.The adjustable length of nozzle 4.Specifically
Ground, the outside of nozzle 4 is provided with screw thread, is threadedly secured in by this on top spray granulation device.The utility model embodiment can be with
The length of nozzle 4 is controlled by rotating the screw thread, and then controls the distance on the top of first passage 1 and the top of nozzle 4, control granulation
The contact area of liquid and atomization gas, so as to adjust the size and angle of granulation.Wherein, the angle of granulation refers to spray
When mouth sprays the droplet of taper, the size of the conical apex angle of droplet.
The utility model further relates to a kind of fluidised bed granulator, including foregoing top spray granulation device, will not be repeated here.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific implementation of the present utility model
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (10)
1. a kind of top spray granulation device, it is characterised in that including：First passage, second channel and a thimble；The thimble is set
Put in the first passage, and can be moved up and down in the first passage, the second channel is located at the first passage
Periphery, for accommodating atomization gas, the second channel exit set a nozzle；
When the thimble is moved down, the thimble ejects the nozzle, prevents the liquid of granulation from blocking the first passage；
When the thimble is moved up, the liquid of granulation flows out through the first passage, and the nozzle passes through the atomization gas convection current
The liquid of the granulation gone out carries out atomization and forms droplet ejection.
2. top spray granulation device according to claim 1, it is characterised in that the top spray granulation device also includes first and held
Receive chamber and a feed pathway, first accommodating chamber is connected with the first passage, the liquid for accommodating the granulation, institute
State feed pathway to be connected with first accommodating chamber, the liquid of the granulation is carried out into described first by the feed pathway
Accommodating chamber.
3. top spray granulation device according to claim 2, it is characterised in that the top spray granulation device also enters including first
Gas passage, is connected with the second channel, and positioned at the lower section of the feed pathway, the atomization gas passes through first air inlet
Passage is carried out into the second channel.
4. top spray granulation device according to claim 2, it is characterised in that the top spray granulation device, which also includes one, to be fixed
Platform, positioned at the top of first accommodating chamber, the thimble is fixed in the fixed platform.
5. top spray granulation device according to claim 4, it is characterised in that the top spray granulation device also includes a bullet
Spring, the spring is fixedly installed in the fixed platform.
6. top spray granulation device according to claim 5, it is characterised in that the top spray granulation device also includes second and held
Receive chamber, be arranged on the lower section of the fixed platform, and with fixed platform formation integrative-structure.
7. top spray granulation device according to claim 6, it is characterised in that the top spray granulation device also enters including second
Gas passage, is connected with second accommodating chamber,
Gas enters second accommodating chamber by second inlet channel, and spring formation is upwarded pressure, makes institute
State spring to compress upwards, drive the thimble to move up, the liquid of the granulation flows out through the first passage；
When closing second inlet channel, the fixed platform pulls down the spring, drives the thimble to move down, described
Thimble ejects the nozzle.
8. top spray granulation device according to claim 1, it is characterised in that settable on the inside of the nozzle to have spiral
Groove, the distribution for changing the atomization gas.
9. top spray granulation device according to claim 1, it is characterised in that the adjustable length of the nozzle.
10. a kind of fluidised bed granulator, it is characterised in that including the top spray granulation device as described in any tops of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720152906.4U CN206560847U (en) | 2017-02-20 | 2017-02-20 | Top spray granulation device and fluidised bed granulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720152906.4U CN206560847U (en) | 2017-02-20 | 2017-02-20 | Top spray granulation device and fluidised bed granulator |
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| Publication Number | Publication Date |
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| CN206560847U true CN206560847U (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720152906.4U Active CN206560847U (en) | 2017-02-20 | 2017-02-20 | Top spray granulation device and fluidised bed granulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261981A (en) * | 2018-02-28 | 2018-07-10 | 重庆海德冶金材料有限责任公司 | Cinder inclusion prilling granulator in continuous casting low alkalinity |
-
2017
- 2017-02-20 CN CN201720152906.4U patent/CN206560847U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261981A (en) * | 2018-02-28 | 2018-07-10 | 重庆海德冶金材料有限责任公司 | Cinder inclusion prilling granulator in continuous casting low alkalinity |
| CN108261981B (en) * | 2018-02-28 | 2020-04-14 | 重庆海德冶金材料有限责任公司 | Continuous casting low-alkalinity tundish slag granulating device |
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