CN113776315A - Spray drying device - Google Patents
Spray drying device Download PDFInfo
- Publication number
- CN113776315A CN113776315A CN202111082967.5A CN202111082967A CN113776315A CN 113776315 A CN113776315 A CN 113776315A CN 202111082967 A CN202111082967 A CN 202111082967A CN 113776315 A CN113776315 A CN 113776315A
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- CN
- China
- Prior art keywords
- spray head
- airflow
- chamber
- power
- airflow spray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001694 spray drying Methods 0.000 title claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 14
- 238000005507 spraying Methods 0.000 description 6
- 239000002808 molecular sieve Substances 0.000 description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
Abstract
The invention relates to a spray drying device, which comprises an airflow spray head, a power chamber and a feeding chamber, wherein the airflow spray head is connected with the power chamber; three power chambers are uniformly and annularly and uniformly distributed on the side face of the airflow spray head, a feeding chamber is correspondingly arranged on the upper side of each power chamber, a moving plate is sleeved in the feeding chamber in a sliding mode, a threaded rod is sleeved at the center of the moving plate in a threaded mode, one end, far away from the airflow spray head, of the threaded rod is connected with a first driving wheel through a ratchet mechanism, an auger is arranged in the feeding chamber, one end, far away from the airflow spray head, of a rotating shaft of the auger is rotatably sleeved with the feeding chamber, and a regulating and controlling rotary drum is rotatably sleeved in the airflow spray head; the invention directly utilizes the gas compression spring in the high-pressure gas inlet pipe under the matching action of the ratchet mechanism, and utilizes the elasticity of the spring to drive the auger to rotate for feeding, thereby simplifying the spray drying process and saving the cost.
Description
Technical Field
The invention belongs to the technical field of spray drying, and particularly relates to a spray drying device.
Background
The molecular sieve is a material containing precise and single tiny holes, can be used for adsorbing gas or liquid, and needs to be subjected to processes such as reaction, filtration, ion exchange, drying and the like in a refining kettle in the production process, wherein the drying process adopts different drying modes according to different types of the molecular sieve, and the molecular sieve in fine powder form is subjected to spray drying.
The spray drying mainly comprises three modes of centrifugal spraying, pressure spraying and airflow spraying, wherein the current common mode is the pressure spraying, the molecular sieve material in the airflow spraying head is sprayed out by utilizing high-pressure airflow, and the high-pressure airflow can effectively prevent high-viscosity materials from being adhered in the spraying head.
However, when the high-pressure airflow enters the airflow atomizing head, the internal pressure of the airflow atomizing head is greater than the external atmospheric pressure, so that feeding is difficult, and the material can be fed into the airflow atomizing head only by providing the pressure greater than the high-pressure airflow from the outside, so that the drying process is complicated, a large amount of energy is consumed, the processing cost is increased, and further improvement is needed for overcoming the defects in the prior art.
Disclosure of Invention
In view of the above, the present invention provides a spray drying device to solve the above problems.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a spray drying device comprises an airflow spray head, a power chamber and a feeding chamber; three power chambers are uniformly and annularly and uniformly distributed on the side surface of the airflow spray head, a feeding chamber is correspondingly arranged on the upper side of each power chamber, the power chambers and the feeding chambers are respectively communicated with the airflow spray head, a moving plate is sleeved in the feeding chamber in a sliding manner, a threaded rod is sleeved at the circle center of the moving plate in a threaded manner, one end of the threaded rod, far away from the airflow spray head, is connected with a first driving wheel through a ratchet mechanism, the ratchet mechanism comprises an inner ratchet wheel with ratchet teeth on the inner wall, a rotating disc concentric with the inner ratchet wheel and pawls uniformly distributed on the side edge of the rotating disc, wherein the inner ratchet wheel is fixed on the threaded rod, the pawls are hinged with the inner rotating wheel, the rotating disc is in driving connection with the first driving wheel, a feeding port is arranged on the upper side of the feeding chamber, an auger is arranged in the feeding chamber, one end, far away from the airflow spray head, of a rotating shaft of the auger is rotatably sleeved with the feeding chamber, and a second driving wheel is fixed on the rotating shaft of the auger, the first driving wheel is in transmission connection with the second driving wheel through a first driving belt.
The spout of air current atomising head is vertical downwards, and the air current atomising head upper end rotates and has cup jointed the carousel, be fixed with the fine setting motor on the material loading room, the output shaft and the carousel of fine setting motor pass through second drive belt transmission and be connected, the inside rotation of air current atomising head has cup jointed the regulation and control rotary drum, and through connecting rod fixed connection between regulation and control rotary drum and the carousel, be provided with high-pressure intake pipe in the air current atomising head, high pressure adds the intake pipe and passes the carousel, the main gas vent of high-pressure intake pipe accesss to the spout position of air current atomising head, and high-pressure intake pipe is provided with three side siphunculus, the vice gas vent of three side siphunculus accesss to corresponding power room respectively.
Preferably: and a through hole convenient for exhausting is arranged at the connecting part of the power chamber and the airflow spray head.
Preferably: and a return spring is arranged at the hinged part of the pawl and the inner rotating wheel.
Preferably: and a heating panel is fixed on the side wall of the feeding chamber.
Preferably, the side surface of the regulating and controlling rotary drum is provided with two air vents, the air vents and the power chambers are positioned at the same height, and the number of the air vents is one less than that of the power chambers, so that when the air vents are communicated with any two power chambers, one power chamber is separated from the airflow spray head.
The invention has the beneficial effects that: according to the invention, a molecular sieve material is heated by a heating panel, then the material is fed into an airflow spray head under the drive of a packing auger, and air discharged from a main exhaust port by a high-pressure air inlet pipe carries the material to be sprayed out from a nozzle of the airflow spray head, so that spray drying is completed; and air exhausted from the high-pressure air inlet pipe is blown to the movable plate to push the movable plate to move towards the direction far away from the airflow spray head, the threaded rod is driven to rotate clockwise, the spring is compressed, at the same time, the threaded rod drives the inner ratchet wheel to rotate clockwise, the pawl slides on the back of the ratchet wheel tooth, at the same time, the first driving wheel does not rotate, along with the rotation of the regulation and control rotary drum, when the regulation and control rotary drum blocks the power chamber 2, the gas in the power chamber is exhausted from a through hole at the connecting part of the power chamber and the airflow spray head, and the spring recovers the original state, the movable plate is pushed to approach the airflow spray head to drive the threaded rod to rotate anticlockwise, at the same time, the threaded rod drives the inner ratchet wheel to rotate anticlockwise, the pawl is inserted into the ratchet wheel tooth, under the action of the pawl, the inner ratchet wheel drives the rotary table to rotate, the first driving wheel to rotate, the auger is driven to rotate by the elasticity of the spring to carry out feeding, the spray drying process is simplified, and the cost is saved.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a view showing the structure of the part A-A in FIG. 1 according to the present invention
FIG. 3 is a structural view of the ratchet mechanism of the present invention.
Reference numbers in the figures: 1, an airflow spray head; 2, a power chamber; 3, moving the board; 4, a threaded rod; 5, a spring; 6, a ratchet mechanism; 601 a first drive wheel; 602 an inner ratchet wheel; 603 a turntable; 604 a pawl; 7 a feeding chamber; 701 feeding hole; 8, packing auger; 801 a second transmission wheel; 9 a first drive belt; 10 fine tuning the motor; 11 a turntable; 12 a second drive belt; 13, a high-pressure air inlet pipe; 1301 a side through pipe; 14 connecting rods; 15 regulating and controlling the rotating cylinder; 1501 an air vent. Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
as shown in fig. 1-3, a spray drying apparatus comprises an air flow spray head 1, a power chamber 2 and a feeding chamber 7; three power chambers 2 are uniformly and annularly distributed on the side face of the airflow spray head 1, a feeding chamber 7 is correspondingly arranged on the upper side of each power chamber 2, the power chambers 2 and the feeding chambers 7 are communicated with the airflow spray head 1, and through holes convenient for exhaust are formed in the connecting part of the power chambers 2 and the airflow spray head 1; the feeding chamber 2 is internally and slidably sleeved with a moving plate 3, a threaded rod 4 is sleeved at the circle center of the moving plate 3 in a threaded manner, one end, far away from the airflow spray head 1, of the threaded rod 4 is provided with an inner ratchet 602 with ratchet teeth on the inner wall, a turntable 603 concentrically arranged with the inner ratchet 602, and pawls 604 uniformly distributed on the side edge of the turntable 603, wherein the inner ratchet 602 is fixed on the threaded rod 4, the pawls 302 are hinged with the inner rotary wheel 3, the hinged part of the pawls 302 and the inner rotary wheel 3 is provided with a return spring, the turntable 603 is in transmission connection with the first transmission wheel 601, the upper side of the feeding chamber 7 is provided with a feeding port 701, the side wall of the feeding chamber 7 is fixed with a heating panel, the feeding chamber 7 is internally provided with an auger 8, one end, far away from the airflow spray head 1, of the rotating shaft of the auger 8 is rotatably sleeved with the feeding chamber 7, and a second driving wheel 801 is fixed on a rotating shaft of the packing auger 8, and the first driving wheel 601 is in driving connection with the second driving wheel 801 through a first driving belt 9.
In the embodiment, the nozzle of the airflow spray head 1 is vertically downward, the upper end of the airflow spray head 1 is rotatably sleeved with a rotating disc 11, a fine adjustment motor 10 is fixed on a feeding chamber 7, an output shaft of the fine adjustment motor 10 is in transmission connection with the rotating disc 11 through a second transmission belt 12, a regulation and control rotary drum 15 is rotatably sleeved inside the airflow spray head 1, the regulation and control rotary drum 15 is fixedly connected with the rotating disc 11 through a connecting rod 14, two air vents 1501 are arranged on the side surface of the regulation and control rotary drum 15, the air vents 1501 and the power chambers 2 are at the same height, the number of the air vents 1501 is one less than that of the power chambers 2, when the air vents 1501 are communicated with any two power chambers 2, one power chamber 2 is separated from the airflow spray head 1, a high-pressure air inlet pipe 13 is arranged in the airflow spray head 1, the high-pressure air inlet pipe 13 penetrates through the rotating disc 11, and a main air outlet of the high-pressure air inlet pipe 13 leads to the nozzle part of the airflow spray head 1, and the high-pressure air inlet pipe 13 is provided with three side through pipes 1301, and the auxiliary air outlets of the three side through pipes 1301 are respectively communicated with the corresponding power chambers 2.
The working principle of the invention is as follows: the fine adjustment motor 10 is started, the regulation and control rotary drum 15 is driven to rotate, high-pressure gas is sprayed into the airflow spray head 1 through the high-pressure air inlet pipe 13, the material is put into the material feeding chamber 7 through the feeding hole 701, the material is heated through the heating panel after entering the material feeding chamber 7, then the material is sent into the airflow spray head 1 under the driving of the auger 8, the air discharged from the main exhaust port of the high-pressure air inlet pipe 13 carries the material to be sprayed out from the nozzle of the airflow spray head 1, and spray drying is completed.
When the vent 1501 on the control drum 15 is communicated with the corresponding power chamber 2, the high-pressure gas discharged from the auxiliary vent of the side through pipe 1301 is blown to the moving plate 3, the moving plate 3 is pushed to move in the direction away from the airflow spray head 1, the threaded rod 4 is driven to rotate clockwise, the spring 5 is compressed at the same time, at this time, the threaded rod 4 drives the inner ratchet wheel 602 to rotate clockwise, the pawl 604 slides on the back of the ratchet teeth, at this time, the first driving wheel 601 does not rotate, the control drum 15 rotates, when the control drum 15 seals the power chamber 2, the gas in the power chamber 2 is discharged from the through hole at the connection part of the power chamber 2 and the airflow spray head 1, at the same time, the spring recovers the original state, the moving plate 3 is pushed to approach the airflow spray head 1, the threaded rod 4 is driven to rotate counterclockwise, at this time, the threaded rod 4 drives the inner ratchet wheel 602 to rotate counterclockwise, the pawl 604 is inserted into the ratchet teeth, under the action of the pawl 604, the inner ratchet 602 drives the turntable 603 to rotate, and further drives the first driving wheel 601 to rotate.
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 fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A spray drying device comprises an airflow spray head, a power chamber and a feeding chamber; the method is characterized in that: three power chambers are uniformly and annularly and uniformly distributed on the side surface of the airflow spray head, a feeding chamber is correspondingly arranged on the upper side of each power chamber, the power chambers and the feeding chambers are respectively communicated with the airflow spray head, a moving plate is sleeved in the feeding chamber in a sliding manner, a threaded rod is sleeved at the circle center of the moving plate in a threaded manner, one end of the threaded rod, far away from the airflow spray head, is connected with a first driving wheel through a ratchet mechanism, the ratchet mechanism comprises an inner ratchet wheel with ratchet teeth on the inner wall, a rotating disc concentric with the inner ratchet wheel and pawls uniformly distributed on the side edge of the rotating disc, wherein the inner ratchet wheel is fixed on the threaded rod, the pawls are hinged with the inner rotating wheel, the rotating disc is in driving connection with the first driving wheel, a feeding port is arranged on the upper side of the feeding chamber, an auger is arranged in the feeding chamber, one end, far away from the airflow spray head, of a rotating shaft of the auger is rotatably sleeved with the feeding chamber, and a second driving wheel is fixed on the rotating shaft of the auger, the first driving wheel is in transmission connection with the second driving wheel through a first driving belt.
2. The spray drying device according to claim 1, wherein the nozzle of the airflow spray head is vertically downward, the upper end of the airflow spray head is rotatably sleeved with a turntable, a fine adjustment motor is fixed on the feeding chamber, an output shaft of the fine adjustment motor is in transmission connection with the turntable through a second transmission belt, the airflow spray head is rotatably sleeved with a regulation and control rotary drum, the regulation and control rotary drum is fixedly connected with the turntable through a connecting rod, a high-pressure air inlet pipe is arranged in the airflow spray head and penetrates through the turntable, a main air outlet of the high-pressure air inlet pipe is communicated with the nozzle of the airflow spray head, the high-pressure air inlet pipe is provided with three side through pipes, and auxiliary air outlets of the three side through pipes are respectively communicated with corresponding power chambers.
3. A spray drying apparatus according to claim 1 wherein the connection between the power chamber and the airflow spray head is provided with through holes.
4. A spray drying device according to claim 1, wherein a return spring is provided at the hinge point of the pawl and the inner rotary wheel.
5. A spray drying apparatus according to claim 1, wherein heating panels are secured to the side walls of the loading chamber.
6. A spray drying device according to claim 1 wherein the conditioning rotor is provided with two vents at the side, the vents being at the same level as the power chambers, and there being one less vent than the power chambers, so that when a vent is connected to any two power chambers, one power chamber is separated from the airflow atomizing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111082967.5A CN113776315A (en) | 2021-09-15 | 2021-09-15 | Spray drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111082967.5A CN113776315A (en) | 2021-09-15 | 2021-09-15 | Spray drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113776315A true CN113776315A (en) | 2021-12-10 |
Family
ID=78844370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111082967.5A Pending CN113776315A (en) | 2021-09-15 | 2021-09-15 | Spray drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113776315A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023137729A1 (en) * | 2022-01-22 | 2023-07-27 | 广州工商学院 | Spray drying device based on food protein carrier embedding |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK1626941T3 (en) * | 2003-05-26 | 2007-02-12 | Khd Humboldt Wedag Gmbh | Process and plant for the thermal drying of a wet ground cement binder |
| CN101178283A (en) * | 2006-11-06 | 2008-05-14 | 谢洪清 | Seasoner sponging drying machine group |
| CN101403561A (en) * | 2008-11-07 | 2009-04-08 | 中国林业科学研究院林产化学工业研究所 | Method and apparatus for atomizing, freezing and drying for powder production by using low-temperature low-dew point gas |
| CN101410684A (en) * | 2006-04-04 | 2009-04-15 | 三菱丽阳株式会社 | Spray dryer, spray dry method, and polymer powder |
| CN101684984A (en) * | 2008-09-28 | 2010-03-31 | 赵君哲 | Spray drying method and device thereof |
| CN104725289A (en) * | 2015-03-20 | 2015-06-24 | 周建康 | Preparation device of calcium 2-hydroxy-4-methylthio-butyrate |
| CN105135864A (en) * | 2015-10-12 | 2015-12-09 | 吉林鸿展流体科技有限公司 | Low temperature spray drying equipment |
| CN109248460A (en) * | 2018-10-26 | 2019-01-22 | 汤云峰 | A kind of spraying uniform Highspeedcentrifugingandsprayingdrier |
-
2021
- 2021-09-15 CN CN202111082967.5A patent/CN113776315A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK1626941T3 (en) * | 2003-05-26 | 2007-02-12 | Khd Humboldt Wedag Gmbh | Process and plant for the thermal drying of a wet ground cement binder |
| CN101410684A (en) * | 2006-04-04 | 2009-04-15 | 三菱丽阳株式会社 | Spray dryer, spray dry method, and polymer powder |
| CN101178283A (en) * | 2006-11-06 | 2008-05-14 | 谢洪清 | Seasoner sponging drying machine group |
| CN101684984A (en) * | 2008-09-28 | 2010-03-31 | 赵君哲 | Spray drying method and device thereof |
| CN101403561A (en) * | 2008-11-07 | 2009-04-08 | 中国林业科学研究院林产化学工业研究所 | Method and apparatus for atomizing, freezing and drying for powder production by using low-temperature low-dew point gas |
| CN104725289A (en) * | 2015-03-20 | 2015-06-24 | 周建康 | Preparation device of calcium 2-hydroxy-4-methylthio-butyrate |
| CN105135864A (en) * | 2015-10-12 | 2015-12-09 | 吉林鸿展流体科技有限公司 | Low temperature spray drying equipment |
| CN109248460A (en) * | 2018-10-26 | 2019-01-22 | 汤云峰 | A kind of spraying uniform Highspeedcentrifugingandsprayingdrier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023137729A1 (en) * | 2022-01-22 | 2023-07-27 | 广州工商学院 | Spray drying device based on food protein carrier embedding |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211210 |
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| RJ01 | Rejection of invention patent application after publication |