CN112999676A - Atomizing device for spray dryer - Google Patents
Atomizing device for spray dryer Download PDFInfo
- Publication number
- CN112999676A CN112999676A CN201911332386.5A CN201911332386A CN112999676A CN 112999676 A CN112999676 A CN 112999676A CN 201911332386 A CN201911332386 A CN 201911332386A CN 112999676 A CN112999676 A CN 112999676A
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- Prior art keywords
- atomizing
- spray dryer
- feed liquid
- liquid
- storage box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/20—Sprayers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
Abstract
The invention discloses an atomizing device for a spray dryer, and particularly relates to the field of atomizing devices. The invention converts the high-frequency electric vibration of the ultrasonic generator into high-frequency mechanical vibration and drives the liquid in the atomizing membrane group to vibrate, so that particles on the liquid surface are separated and scattered from the liquid surface, the atomizing purpose is achieved, and the vibration energy is concentrated by matching with the oscillating piece, so that the liquid surface area and the surface vibration strength are increased, the atomizing efficiency is improved, the atomized particles are finer and more uniform, and the drying effect of the atomizing drying equipment is improved.
Description
Technical Field
The invention relates to the technical field of atomization devices, in particular to an atomization device for a spray dryer.
Background
A spray drier able to simultaneously perform drying and granulating features that the pressure, flow and spray hole size of liquid pump can be regulated according to technological requirement to obtain needed spherical particles, and it is a continuous ordinary-pressure drier which sprays liquid material into fog state by special equipment to contact with hot air for drying the thermosensitive liquid, suspension and viscous liquid, or fuel, intermediate, soap powder and inorganic salt .
And current atomizing device suitable for spray dryer often can use various pipes to lead and send the feed liquid in the use, but these pipes can bring very big puzzlement for the workman in using production process, can't satisfy people's user demand, current atomizing device suitable for spray dryer simultaneously atomizing often can not reach the production demand in the use, cause very big trouble for next process, can't satisfy the requirement of current people to this product so far away.
In order to solve the above problems, the patent of patent application publication No. CN209254149U discloses an atomizing device suitable for a spray dryer, refer to the attached drawing 5 of the specification, the application has a simple structure, reasonable design, easy operation and convenient use, by providing a spray disk 10, the spray disk 10 performs high-speed centrifugal atomization on the feed liquid guided in a feed liquid distribution disk under the high-speed rotation of a rotating motor, the atomization degree of the feed liquid is ensured, and the use requirements of people are met, by providing the feed liquid distribution disk, the atomizing device suitable for the spray dryer can uniformly distribute the feed liquid to the spray disk 10 in the use process, the atomization requirement is greatly met, by providing a rotating shaft with a liquid outlet and a liquid inlet, the atomizing device can directly guide the feed liquid into the feed liquid distribution disk through the rotating shaft, the production cost is greatly saved, meanwhile, great convenience is provided for production workers in the using process, so that the atomization device suitable for the spray dryer has a wide application market.
However, the above technical solutions still have many disadvantages in practical use: because the atomization device adopts the high-speed rotation action of the rotating motor to carry out high-speed centrifugal atomization on the feed liquid introduced into the feed liquid distribution disc, the diameter of atomized liquid drop particles is larger in a centrifugal atomization mode, large liquid drops are easily formed to block a spray hole when the spray disc is blocked, the larger atomized particles are easily gathered and liquefied, the working efficiency of the spray dryer is reduced, and the drying effect is reduced; in addition, the material liquid distribution disc rotating at a high speed enables the whole device to have large vibration amplitude, excessive energy consumption of the motor is dispersed, the energy utilization rate is low, the noise is large, and the environmental protection value is low.
Therefore, it is desirable to provide an atomizing device for a spray dryer, which is environment-friendly and energy-saving and has a good atomizing effect.
Disclosure of Invention
In order to overcome the above defects in the prior art, the embodiment of the invention provides an atomizing device for a spray dryer, which converts the high-frequency electric vibration of an ultrasonic generator into high-frequency mechanical vibration by adopting a piezoelectric ceramic plate and matching with a transducer, and drives the liquid in an atomizing membrane group to generate synchronous vibration, so that particles on the liquid surface are separated and scattered from the liquid surface, the atomizing purpose is achieved, and the vibration energy is concentrated by matching with a vibration plate, so that the liquid surface area and the surface vibration strength are increased, the atomizing efficiency is improved, the atomized particles are finer and more uniform and are not easy to polymerize, and the drying effect of atomizing and drying equipment is improved; in addition, the invention forms the liquid drops into fine atomized particles through high-frequency mechanical vibration converted from high-frequency electric vibration by utilizing an ultrasonic atomization mode, the ultrasonic atomization has lower energy consumption compared with the traditional centrifugal atomization and hardly generates any noise, the energy consumption of an ultrasonic generator is concentrated into the atomization of the liquid drops through an oscillating piece, the energy utilization rate is obviously improved, the purposes of environmental protection and energy saving are achieved, and the problems proposed in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: an atomizing device for a spray dryer comprises a fixing flange and a feed liquid storage box, wherein the surface of a spray disc is provided with a threaded hole and is matched with a fixing bolt, the fixing flange and the feed liquid storage box are fixedly connected through the fixing bolt, the top surface of the fixing flange is fixedly provided with the device box, a shock pad is pasted on the contact surface of the fixing flange and the device box, an ultrasonic generator is fixedly arranged inside the device box, one side of the device box is fixedly provided with a control panel, the bottom surface of the feed liquid storage box is fixedly connected with a liquid guide copper pipe, the bottom end of the liquid guide copper pipe is fixedly provided with an energy converter, the bottom end of the liquid guide copper pipe penetrates through the energy converter fixedly connected with a shock absorption sleeve pipe, the bottom end of the shock absorption sleeve pipe is fixedly connected with the spray disc, the inside of the spray disc is fixedly provided with an atomizing film group, and the, the bottom surface fixed mounting of mounting flange has the feed liquid pipe, the top fixed mounting of feed liquid pipe has the feed liquid to insert the mouth.
In a preferred embodiment, the feed liquid storage box is of a circular truncated cone structure, a sealing washer is arranged at the joint of the fixing flange and the feed liquid storage box, and the feed liquid storage box is communicated with the atomizing membrane group through a liquid guide copper pipe and a damping sleeve.
In a preferred embodiment, the output end of the control panel is electrically connected with the input end of the ultrasonic generator, the output end of the ultrasonic generator is electrically connected with the output end of the transducer, and the output end of the transducer is electrically connected with the input end of the piezoelectric ceramic piece.
In a preferred embodiment, the damping sleeve is of a bellows structure, the damping sleeve is constructed by rubber materials, a diversion hose is fixedly and movably mounted inside the damping sleeve, and two ends of the diversion hose are respectively communicated with the liquid guiding copper pipe and the atomizing membrane group.
In a preferred embodiment, an elastic pad is fixedly installed between the top surface of the piezoelectric ceramic plate and the bottom surface of the transducer, and the bottom surface of the piezoelectric ceramic plate is fixedly connected with the bottom surface of the atomization membrane group through a cylinder.
In a preferred embodiment, the atomizing membrane group comprises an oscillating sheet and a fog hole membrane, the oscillating sheet and the fog hole membrane are of circular arc structures, the fog hole membrane is fixedly mounted on the bottom surface of the oscillating sheet, a closed cavity is formed between the fog hole membrane and the oscillating sheet, and the bottom end of the damping sleeve is communicated with the closed cavities of the fog hole membrane and the oscillating sheet.
In a preferred embodiment, the oscillating plate is an elastic metal plate member, the surface of the fog hole diaphragm is provided with a plurality of micro through holes and is densely distributed, and the top surface of the oscillating plate is fixedly connected with the cylinder on the bottom surface of the piezoelectric ceramic plate.
In a preferred embodiment, the bottom surface of the spraying disc is provided with a plurality of mist guiding holes, the mist guiding holes are distributed densely, and the diameter of each mist guiding hole is larger than that of each through hole of the mist guiding hole diaphragm.
The invention has the technical effects and advantages that:
1. according to the invention, the piezoelectric ceramic plate is matched with the transducer, so that the high-frequency electric vibration of the ultrasonic generator is converted into high-frequency mechanical vibration, and the liquid in the atomizing membrane group is driven to generate synchronous vibration, so that particles on the surface of the liquid are separated from the liquid surface and fly away, and the atomizing purpose is achieved;
2. according to the invention, the liquid drops are formed into fine atomized particles through high-frequency mechanical vibration converted from high-frequency electric vibration by using an ultrasonic atomization mode, the ultrasonic atomization is lower in energy consumption compared with the traditional centrifugal atomization, and hardly generates any noise, the energy consumption of the ultrasonic generator is concentrated on the atomization of the liquid drops through the oscillating piece, the energy utilization rate is obviously improved, and the purposes of environmental protection and energy saving are achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic structural diagram of FIG. 1A according to the present invention.
Fig. 3 is a schematic view of the structure of the spray disk of the present invention.
FIG. 4 is a schematic view of the structure of the atomization membrane module of the present invention.
FIG. 5 is a diagram illustrating a structure of a comparison file according to the present invention.
The reference signs are: 1. a fixed flange; 2. a shock pad; 3. a control panel; 4. a device case; 5. an ultrasonic generator; 6. a feed liquid storage box; 7. a liquid guiding copper pipe; 8. a transducer; 9. a shock-absorbing sleeve; 91. a diversion hose; 10. a spray tray; 101. a mist guide hole; 11. atomizing a membrane group; 111. an oscillating plate; 112. a fog hole membrane; 12. piezoelectric ceramic plates; 13. a feed liquid inlet; 14. a feed liquid conduit; 15. and (5) fixing the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in the attached fig. 1-4, an atomizing device for a spray dryer comprises a fixing flange 1 and a material liquid storage box 6, wherein the surface of a spray plate 10 is provided with a threaded hole and is matched with a fixing bolt 15, the fixing flange 1 and the material liquid storage box 6 are fixedly connected through the fixing bolt 15, the top surface of the fixing flange 1 is fixedly provided with a device box 4, the contact surface of the fixing flange 1 and the device box 4 is adhered with a shock pad 2, the inside of the device box 4 is fixedly provided with an ultrasonic generator 5, one side of the device box 4 is fixedly provided with a control panel 3, the bottom surface of the material liquid storage box 6 is fixedly connected with a liquid guide copper pipe 7, the bottom end of the liquid guide copper pipe 7 is fixedly provided with a transducer 8, the bottom end of the liquid guide copper pipe 7 penetrates through the transducer 8 and is fixedly connected with a damping sleeve 9, the bottom end of the damping sleeve 9 is fixedly connected with, the top surface of the spraying disc 10 is fixedly provided with a piezoelectric ceramic plate 12, the bottom surface of the fixed flange 1 is fixedly provided with a material liquid guide pipe 14, and the top end of the material liquid guide pipe 14 is fixedly provided with a material liquid inlet 13.
The implementation mode is specifically as follows: the piezoelectric ceramic plate 12 is matched with the transducer 8 to convert the high-frequency electric vibration of the ultrasonic generator 5 into high-frequency mechanical vibration and drive the liquid in the atomizing membrane group 11 to generate synchronous vibration, so that particles on the surface of the liquid are separated and scattered from the liquid surface to achieve the aim of atomization, and the vibration energy is concentrated by matching with the oscillating plate 111 to play a role in increasing the surface area and the surface vibration strength of the liquid, so that the atomization efficiency is improved, the atomized particles are finer and more uniform and are not easy to polymerize, and the drying effect of the atomization drying equipment is improved; in addition, the liquid drops are formed into fine atomized particles through high-frequency mechanical vibration converted from high-frequency electric vibration by utilizing an ultrasonic atomization mode, the ultrasonic atomization is lower in energy consumption compared with the traditional centrifugal atomization and hardly generates any noise, the energy consumption of the ultrasonic generator 5 is concentrated on the atomization of the liquid drops through the oscillating piece 111, the energy utilization rate is obviously improved, and the purposes of environmental protection and energy conservation are achieved.
Wherein, feed liquid storage box 6 is round platform type structure, and mounting flange 1 is equipped with seal ring with the junction of feed liquid storage box 6, and feed liquid storage box 6 is linked together through drain copper pipe 7, shock attenuation sleeve pipe 9 and atomizing membrane group 11, realizes that feed liquid stores and feed liquid circulates.
The output end of the control panel 3 is electrically connected with the input end of the ultrasonic generator 5, the output end of the ultrasonic generator 5 is electrically connected with the output end of the transducer 8, and the output end of the transducer 8 is electrically connected with the input end of the piezoelectric ceramic piece 12, so that the control structure of the whole system is realized.
Wherein, shock attenuation sleeve 9 is the bellows structure, and shock attenuation sleeve 9 constructs for the rubber material, and shock attenuation sleeve 9's inside fixed movable mounting has water conservancy diversion hose 91, and water conservancy diversion hose 91's both ends are linked together with drain copper pipe 7, atomizing membrane group 11 respectively, prevent that the mechanical shock of atomizing membrane group 11 from transmitting to the device in through shock attenuation sleeve 9.
Wherein, an elastic pad is fixedly arranged between the top surface of the piezoelectric ceramic plate 12 and the bottom surface of the transducer 8, the bottom surface of the piezoelectric ceramic plate 12 is fixedly connected with the bottom surface of the atomizing membrane group 11 through a cylinder, and the piezoelectric ceramic plate 12 is matched with the transducer 8 to convert the high-frequency electric vibration of the ultrasonic generator 5 into high-frequency mechanical vibration.
Wherein, atomizing membrane group 11 includes atomizing membrane group 11, fog hole diaphragm 112, and oscillating plate 111, fog hole diaphragm 112 are circular arc structure, and fog hole diaphragm 112 fixed mounting forms airtight cavity between fog hole diaphragm 112, the oscillating plate 111 in oscillating plate 111's bottom surface, and shock attenuation sleeve 9's bottom is linked together with fog hole diaphragm 112, oscillating plate 111's airtight cavity, realizes that liquid evenly arranges in atomizing membrane group 11 bottom surface to release through fog hole diaphragm 112 after the atomizing.
The vibrating plate 111 is an elastic metal sheet component, the surface of the atomizing hole diaphragm 112 is provided with a plurality of micro through holes and is densely distributed, the top surface of the vibrating plate 111 is fixedly connected with the cylinder on the bottom surface of the piezoelectric ceramic plate 12, the vibrating plate 111 concentrates vibration energy, the effect of increasing the liquid surface area and the surface vibration strength is achieved, and the atomizing efficiency is improved.
Wherein, the bottom surface of the spraying disc 10 is provided with a plurality of mist guiding holes 101, the mist guiding holes 101 are densely distributed, and the diameter of the mist guiding holes 101 is larger than that of the through holes of the mist hole membrane 112, so that the mist can be smoothly guided out.
Wherein the model of the ultrasonic generator 5 is ZFC-5.
The working principle of the invention is as follows:
firstly, after liquid is injected into a liquid storage box 6 through a liquid inlet 13 and a liquid guide pipe 14, an ultrasonic generator 5 is started through a control panel 3 to work, the liquid in the liquid storage box 6 is transferred into an atomizing membrane group 11 through a liquid guide copper pipe 7 and a damping sleeve 9, electric energy is converted into high-frequency electric vibration by the ultrasonic generator 5, then the high-frequency electric vibration is converted into high-frequency mechanical vibration through a transducer 8 and a piezoelectric ceramic plate 12, and the liquid in the atomizing membrane group 11 is driven to generate synchronous vibration, so that liquid drops attached to the bottom surface of an oscillating plate 111 are just east, particles on the liquid surface are separated and scattered from the liquid surface, the atomizing purpose is achieved, and the vibration energy is concentrated by matching with the oscillating plate 111, the effects of increasing the liquid surface area and the surface vibration intensity are achieved, the atomizing efficiency is improved, the atomized particles are finer and more uniform, the particles are not easy to polymerize, and the ultrasonic atomization is, and hardly generates any noise, the energy consumption of the ultrasonic generator 5 is concentrated on the atomization of the liquid drops through the oscillating piece 111, the energy utilization rate is obviously improved, and the purposes of environmental protection and energy saving are achieved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides an atomizing device for spray dryer, includes mounting flange (1), feed liquid storage box (6), the surface of spraying dish (10) is seted up threaded hole and adaptation has fixing bolt (15), mounting flange (1), feed liquid storage box (6) are through fixing bolt (15) fixed connection, its characterized in that: the device comprises a fixed flange (1), a device box (4) is fixedly mounted on the top surface of the fixed flange (1), a shock pad (2) is pasted on the contact surface of the fixed flange (1) and the device box (4), an ultrasonic generator (5) is fixedly mounted inside the device box (4), a control panel (3) is fixedly mounted on one side of the device box (4), a liquid guide copper pipe (7) is fixedly connected to the bottom surface of a liquid storage box (6), an energy converter (8) is fixedly mounted at the bottom end of the liquid guide copper pipe (7), a shock absorption sleeve (9) is fixedly connected to the energy converter (8) and is passed through the bottom end of the liquid guide copper pipe (7), a spray disc (10) is fixedly connected to the bottom end of the shock absorption sleeve (9), an atomization film group (11) is fixedly mounted inside the spray disc (10), and a piezoelectric ceramic piece (12) is fixedly mounted on, the bottom surface fixed mounting of mounting flange (1) has feed liquid pipe (14), the top fixed mounting of feed liquid pipe (14) has feed liquid to insert mouth (13).
2. An atomizing device for a spray dryer according to claim 1, characterized in that: feed liquid storage box (6) are round platform type structure, the junction of mounting flange (1) and feed liquid storage box (6) is equipped with seal ring, feed liquid storage box (6) are linked together through drain copper pipe (7), shock attenuation sleeve pipe (9) and atomizing membrane group (11).
3. An atomizing device for a spray dryer according to claim 1, characterized in that: the output of control panel (3) and the input electric connection of supersonic generator (5), the output of supersonic generator (5) and the output electric connection of transducer (8), the output of transducer (8) is connected with the input electricity of piezoceramics piece (12).
4. An atomizing device for a spray dryer according to claim 1, characterized in that: shock attenuation sleeve pipe (9) are the bellows structure, shock attenuation sleeve pipe (9) are the rubber material and found, the inside fixed movable mounting of shock attenuation sleeve pipe (9) has diversion hose (91), the both ends of diversion hose (91) are linked together with drain copper pipe (7), atomizing membrane group (11) respectively.
5. An atomizing device for a spray dryer according to claim 1, characterized in that: an elastic pad is fixedly installed between the top surface of the piezoelectric ceramic piece (12) and the bottom surface of the transducer (8), and the bottom surface of the piezoelectric ceramic piece (12) is fixedly connected with the bottom surface of the atomizing film group (11) through a cylinder.
6. An atomizing device for a spray dryer according to claim 1, characterized in that: atomizing membrane group (11) are including vibration piece (111), fog hole diaphragm (112), vibration piece (111), fog hole diaphragm (112) are convex structure, fog hole diaphragm (112) fixed mounting is in the bottom surface of vibration piece (111), form airtight cavity between fog hole diaphragm (112), vibration piece (111), the bottom and the fog hole diaphragm (112) of shock attenuation sleeve pipe (9), the airtight cavity of vibration piece (111) are linked together.
7. An atomizing device for a spray dryer according to claims 5 and 6, wherein: the vibrating plate (111) is an elastic metal sheet component, a plurality of micro through holes are formed in the surface of the fog hole diaphragm (112) and are distributed densely, and the top surface of the vibrating plate (111) is fixedly connected with a cylinder on the bottom surface of the piezoelectric ceramic plate (12).
8. An atomizing device for a spray dryer according to claims 1, 6, characterized in that: the bottom surface of the spraying disc (10) is provided with a plurality of mist guiding holes (101), the mist guiding holes (101) are distributed densely, and the diameter of each mist guiding hole (101) is larger than that of each through hole of the mist guiding hole diaphragm (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332386.5A CN112999676A (en) | 2019-12-22 | 2019-12-22 | Atomizing device for spray dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332386.5A CN112999676A (en) | 2019-12-22 | 2019-12-22 | Atomizing device for spray dryer |
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| Publication Number | Publication Date |
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| CN112999676A true CN112999676A (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911332386.5A Pending CN112999676A (en) | 2019-12-22 | 2019-12-22 | Atomizing device for spray dryer |
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| CN (1) | CN112999676A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113882106A (en) * | 2021-10-09 | 2022-01-04 | 宣城凯欧纺织有限公司 | Efficient double-layer steaming device for polyester wax-like permeable printing fabric and using method thereof |
| CN114100164A (en) * | 2021-08-03 | 2022-03-01 | 承德石油高等专科学校 | Uniform dropping device for mixed liquid |
| WO2023275805A1 (en) * | 2021-06-30 | 2023-01-05 | Worcester Polytechnic Institute | Atomizing spray dryer |
-
2019
- 2019-12-22 CN CN201911332386.5A patent/CN112999676A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023275805A1 (en) * | 2021-06-30 | 2023-01-05 | Worcester Polytechnic Institute | Atomizing spray dryer |
| CN114100164A (en) * | 2021-08-03 | 2022-03-01 | 承德石油高等专科学校 | Uniform dropping device for mixed liquid |
| CN113882106A (en) * | 2021-10-09 | 2022-01-04 | 宣城凯欧纺织有限公司 | Efficient double-layer steaming device for polyester wax-like permeable printing fabric and using method thereof |
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Application publication date: 20210622 |
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