CN210663588U - Fluidized bed temperature control dehumidification air inlet device - Google Patents
Fluidized bed temperature control dehumidification air inlet device Download PDFInfo
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- CN210663588U CN210663588U CN201921238664.6U CN201921238664U CN210663588U CN 210663588 U CN210663588 U CN 210663588U CN 201921238664 U CN201921238664 U CN 201921238664U CN 210663588 U CN210663588 U CN 210663588U
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Abstract
The utility model relates to a DHA or ARA spray drying process uses the technical field of the fluidized bed auxiliary device, especially relate to a fluidized bed temperature control dehumidification air inlet device, it can make the oil powder moisture content below 3%, the oil powder temperature below 30 ℃, the too high phenomenon of powder moisture temperature is solved well, can make the powdered oil of fluidized bed carry on better cooling, raise the efficiency greatly, promote product quality; comprises a fluidized bed; still including accuse temperature dehumidification air inlet mechanism, accuse temperature dehumidification air inlet mechanism is provided with the working chamber including primary filter, surface cooler, breakwater, electric plate, well effect filter and forced draught blower, the inside of accuse temperature dehumidification air inlet mechanism, and the top left side and the left end bottom of working chamber communicate respectively and are provided with air intake and return air inlet, and the right-hand member intercommunication of working chamber is provided with the supply-air outlet, and primary filter and surface cooler all install the left part region at the working chamber.
Description
Technical Field
The utility model relates to a DHA or ARA spray drying process are with fluidized bed auxiliary device's technical field, especially relate to a fluidized bed accuse temperature dehumidification air inlet unit.
Background
As is known, in the process of preparing powdered oil by spray drying, the temperature of the just prepared powdered oil is 70-85 ℃, the moisture content is 20-30%, and fluidized bed drying is needed to ensure that the moisture content is below 4% and the temperature of the oil powder is below 35 ℃. However, the inventor is located in Zhaoan county of Fujian province, the air humidity reaches more than 90% in rainy season, the drying efficiency is low due to direct air intake due to overlarge air humidity, the embedding base material of the powder oil is starch or protein, the water absorption is strong, and the requirement on the air dryness is high, so that the inventor introduces a set of fluidized bed spray drying equipment for producing DHA powder and AA powder; and discover when the use of current fluidized bed spray drying equipment work, the grease powder cools off through the fluidized bed, the cooling can easily lead to the powdered oil cooling to influence the stability of embedding structure too fast, and cause the energy consumption great, and the fluidized bed cools off through conveyer belt and the powdered oil of flowing air to the preparation, cooling air needs the accurate stability of accuse temperature, it is invariable to adopt steam heating to be difficult to keep air temperature in the past, cooling air's moisture will reduce to certain degree, thereby lead to the practicality relatively poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can make below the grease powder moisture content 3%, grease powder temperature below 30 ℃, fine solution powder moisture temperature phenomenon too high can make the powdered oil of fluidized bed carry out better cooling, raises the efficiency greatly, promotes product quality to the fluidized bed accuse temperature dehumidification air inlet unit of reinforcing practicality.
The utility model relates to a temperature control dehumidification air intake device of a fluidized bed, which comprises a fluidized bed; also comprises a temperature control dehumidification air inlet mechanism, the temperature control dehumidification air inlet mechanism comprises a primary filter, a surface cooler, a water baffle, an electric hot plate, a medium efficiency filter and a blower, a working cavity is arranged inside the temperature control dehumidification air inlet mechanism, the left side of the top end and the bottom part of the left end of the working cavity are respectively communicated with an air inlet and an air return opening, the right end of the working cavity is communicated with an air supply outlet, the primary filter and the surface cooler are both arranged in the left area of the working cavity, the primary filter is positioned at the left side of the surface cooler, the water baffle and the electric heating plate are both arranged in the middle area of the working cavity, the water baffle is positioned at the left side of the electric hot plate, the blower is arranged in the right area of the working cavity, the fluidized bed is located the output side of the supply-air outlet of the temperature-control dehumidification air inlet mechanism, the middle-effect filter is installed in the right area of the working cavity, and the middle-effect filter is located on the right side of the air feeder.
The utility model discloses a fluidized bed accuse temperature dehumidification air inlet unit, the forced draught blower is provided with the frequency conversion controller subassembly.
The utility model discloses a fluidized bed accuse temperature dehumidification air inlet unit still includes high efficiency filter, high efficiency filter installs the amount of wind input side at the fluidized bed.
Compared with the prior art, the beneficial effects of the utility model are that: the air that the external world came in passes through the primary filter, then pass through the surface cooler, the surface cooler here is the intermediate layer heat transfer plate of super-cooled frozen water, the frozen water temperature is at 2-12 ℃, the surface cooler cools down the air of whole surface cold section, and the gas after the cooling is then through the vapor in the breakwater condensation of breakwater desorption air, the condensation plate that this breakwater comprises intensive regular array's blade, the blade inclination is 30-60, there is the comdenstion water collecting vat lower part, can get rid of the comdenstion water, the low temperature environment that the surface cooler formed makes the condensation plate temperature ratio of blade constitution than the ratio, vapor in the air liquefies on the condensation plate and is discharged, then heat to certain temperature through the electric plate, wherein hot plate heating power is in: 150kw-350kw, and the hot plate has temperature probe, the electric plate controls the temperature through PID feedback regulation, the air after accuse temperature dehumidification is pressurized by the forced draught blower and is passed through the medium efficiency filter, get into the fluidized bed through supply-air outlet and blast pipe way, thereby can make grease powder moisture content on the fluidized bed below 3%, grease powder temperature is below 30 ℃, the too high phenomenon of fine solution powder moisture temperature, can make the powdered oil of fluidized bed carry out better cooling, raise the efficiency greatly, promote product quality, thereby strengthen the practicality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the connection structure of the high efficiency filter and the fluidized bed according to the present invention;
in the drawings, the reference numbers: 1. an air inlet; 2. an air return opening; 3. a primary filter; 4. a surface cooler; 5. a water baffle; 6. an electric hot plate; 7. a blower; 8. a medium-efficiency filter; 9. an air supply outlet; 10. a high efficiency filter; 11. a fluidized bed; 12. a variable frequency controller assembly.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 2, the temperature-controlled dehumidification air intake device of the fluidized bed of the present invention includes a fluidized bed 11; also comprises a temperature control dehumidification air inlet mechanism, the temperature control dehumidification air inlet mechanism comprises a primary filter 3, a surface cooler 4 and a water baffle 5, the device comprises an electric heating plate 6, a medium-efficiency filter 8 and a blower 7, wherein a working cavity is arranged inside a temperature-control dehumidification air inlet mechanism, the left side of the top end and the bottom of the left end of the working cavity are respectively communicated with an air inlet 1 and an air return inlet 2, the right end of the working cavity is communicated with an air supply outlet 9, the primary filter 3 and a surface cooler 4 are both arranged in the left area of the working cavity, the primary filter 3 is positioned on the left side of the surface cooler 4, a water baffle 5 and the electric heating plate 6 are both arranged in the middle area of the working cavity, the water baffle 5 is positioned on the left side of the electric heating plate 6, the blower 7 is arranged in the right area of the working cavity, a fluidized bed 11 is positioned at the output side of the air supply outlet 9 of the temperature-control dehumidification air inlet mechanism, the medium-; the air that the external world came in passes through the primary filter, then pass through the surface cooler, the surface cooler here is the intermediate layer heat transfer plate of super-cooled frozen water, the frozen water temperature is at 2-12 ℃, the surface cooler cools down the air of whole surface cold section, and the gas after the cooling is then through the vapor in the breakwater condensation of breakwater desorption air, the condensation plate that this breakwater comprises intensive regular array's blade, the blade inclination is 30-60, there is the comdenstion water collecting vat lower part, can get rid of the comdenstion water, the low temperature environment that the surface cooler formed makes the condensation plate temperature ratio of blade constitution than the ratio, vapor in the air liquefies on the condensation plate and is discharged, then heat to certain temperature through the electric plate, wherein hot plate heating power is in: 150kw-350kw, and the hot plate has temperature probe, the electric hot plate controls the temperature through PID feedback regulation, the air after accuse temperature dehumidification is pressurized by the forced draught blower and is passed through the medium efficiency filter, get into the fluidized bed through supply-air outlet and blast pipe way, thereby can make grease powder moisture content on the fluidized bed below 3%, grease powder temperature is below 30 ℃, the too high phenomenon of fine solution powder moisture temperature, can make the powdered oil of fluidized bed carry out better cooling, raise the efficiency greatly, promote product quality, thereby strengthen the practicality
The utility model relates to a fluidized bed temperature control dehumidification air intake device, a blower 7 is provided with a variable frequency controller component 12; a variable frequency controller component is added in the air feeder, and the aim of controlling the flow velocity of air flow contacting with the powdered oil is achieved by adjusting the real-time power of the air feeder, so that the practicability is enhanced.
The utility model discloses a fluidized bed temperature control dehumidification air intake device, which also comprises a high efficiency filter 10, wherein the high efficiency filter 10 is arranged at the air volume input side of a fluidized bed 11; can further filter the air of sending into the fluidized bed through high efficiency filter, further improve the cleanliness factor of air to the practicality has been strengthened.
The utility model discloses a fluidized bed accuse temperature dehumidification air inlet unit, it is at the during operation, external wind passes through air intake admission device, partly goes out from the return air inlet, partly is through the primary filter, then through the cold section of table, the cold section of table has the cooling of refrigeration cycle water, when the breakwater, steam in the air condenses on the breakwater, then through the electric plate, air temperature reaches air-out temperature, recently see off by the air outlet through the fan through the secondary filter, consequently, make the moisture content of the cooling air of fluidized bed reduce in a large number, air temperature obtains better control, the series connection of a plurality of devices can realize carrying out the purpose of cooling down with the fluidized bed to powdered oil under the drying condition.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A temperature-controlled dehumidification air inlet device of a fluidized bed comprises a fluidized bed (11); the temperature control dehumidification air inlet mechanism is characterized by further comprising a temperature control dehumidification air inlet mechanism, the temperature control dehumidification air inlet mechanism comprises a primary filter (3), a surface air cooler (4), a water baffle (5), an electric heating plate (6), a medium efficiency filter (8) and an air feeder (7), a working chamber is arranged inside the temperature control dehumidification air inlet mechanism, the top left side and the left end bottom of the working chamber are respectively communicated with an air inlet (1) and an air return port (2), the right end of the working chamber is communicated with an air supply port (9), the primary filter (3) and the surface air cooler (4) are both arranged in the left area of the working chamber, the primary filter (3) is arranged on the left side of the surface air cooler (4), the water baffle (5) and the electric heating plate (6) are both arranged in the middle area of the working chamber, the water baffle (5) is arranged on the left side of the electric heating plate (6), and the air feeder (7) is arranged in the right area, fluidized bed (11) are located the output side of control by temperature change dehumidification air inlet mechanism's supply-air outlet (9), middle-effect filter (8) are installed in the right part region of working chamber, middle-effect filter (8) are located the right side of forced draught blower (7).
2. The temperature-controlled dehumidification air intake device of the fluidized bed as claimed in claim 1, wherein the blower (7) is provided with a variable frequency controller assembly (12).
3. The temperature-controlled dehumidification air intake device of the fluidized bed as claimed in claim 2, further comprising a high efficiency filter (10), wherein the high efficiency filter (10) is installed on an air volume input side of the fluidized bed (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238664.6U CN210663588U (en) | 2019-08-01 | 2019-08-01 | Fluidized bed temperature control dehumidification air inlet device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238664.6U CN210663588U (en) | 2019-08-01 | 2019-08-01 | Fluidized bed temperature control dehumidification air inlet device |
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| CN210663588U true CN210663588U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325273A (en) * | 2020-11-04 | 2021-02-05 | 华北制药股份有限公司 | Gas recycling and heat recycling process and system thereof |
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2019
- 2019-08-01 CN CN201921238664.6U patent/CN210663588U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325273A (en) * | 2020-11-04 | 2021-02-05 | 华北制药股份有限公司 | Gas recycling and heat recycling process and system thereof |
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