CN212299835U - A drying equipment for producing phthalide - Google Patents
A drying equipment for producing phthalide Download PDFInfo
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- CN212299835U CN212299835U CN202020469554.7U CN202020469554U CN212299835U CN 212299835 U CN212299835 U CN 212299835U CN 202020469554 U CN202020469554 U CN 202020469554U CN 212299835 U CN212299835 U CN 212299835U
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Abstract
The utility model discloses a drying device for producing phthalide, which comprises a transmission belt, a feeding mechanism, a pre-drying mechanism and a secondary drying mechanism, wherein the feeding mechanism, the pre-drying mechanism and the secondary drying mechanism are sequentially arranged along the transmission direction of the transmission belt; a material tray is placed on the conveying belt; the feeding mechanism comprises a feeding hopper with a high-frequency vibrator; the pre-drying mechanism consists of an air drying chamber and a buffer chamber; a blowing pipe is arranged in the air drying chamber; a plurality of blowing heads are uniformly distributed at the lower end of the blowing pipe; the secondary drying mechanism consists of a plurality of microwave drying chambers which are connected in sequence; a plurality of microwave generators are respectively arranged in each microwave drying chamber; the top of the microwave drying chamber is connected with a steam exhaust pipeline; the steam exhaust pipeline is connected with an air inlet of the induced draft fan through a steam exhaust main pipe; the air outlet of the induced draft fan is connected with the heat exchange inlet of the heat exchanger through a heat exchange pipeline; the utility model discloses a drying equipment for producing phthalide, the material is heated evenly, and the material quality after the stoving is good.
Description
Technical Field
The utility model relates to a drying equipment for producing phthalide belongs to phthalide production facility technical field.
Background
Need carry out the low temperature stoving process to its moist material after centrifugal separation in the phthalide production process, current low temperature drying often adopts wind-heat drying or far infrared heating mode, but these heating modes are generally heated from the surface to the inside through radiation, convection current and conduction, and for avoiding temperature gradient too big, the rate of heating often can not be too fast, and the rate of heating is slower, and hardly reaches effectual drying, the inhomogeneous condition of material heating appears easily, easily causes the material to discolour, warp or harden. In addition, the traditional drying chamber has high energy consumption, low efficiency, low cleanliness and inconvenient use; therefore, in order to solve the above problems, it is necessary to design a new drying apparatus for producing phthalide.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a drying equipment for producing phthalide, production efficiency is high, and the material is heated evenly, and the material quality after the stoving is good.
The utility model discloses a drying equipment for producing phthalide, which comprises a drying equipment, and a control cabinet which is used for being electrically controlled and connected with the drying equipment and controlling the whole drying equipment; the drying equipment comprises a conveying belt, and a feeding mechanism, a pre-drying mechanism and a secondary drying mechanism which are sequentially arranged along the conveying direction of the conveying belt; a material tray is placed on the conveying belt;
the feeding mechanism comprises a feeding hopper with a high-frequency vibrator; the material tray is placed below the feed hopper;
the pre-drying mechanism consists of an air drying chamber and a buffer chamber, and the front side and the rear side of the air drying chamber are respectively suspended with a retaining curtain; a blowing pipe is arranged in the air drying chamber; a plurality of blowing heads are uniformly distributed at the lower end of the blowing pipe; the center of the blowing pipe is connected with an air inlet arranged at the top of the air drying chamber through an air guide pipe; a plurality of exhaust guide pipes are arranged at the top of the buffer chamber; the lower end of the exhaust guide pipe is communicated with the buffer chamber, and the upper end of the exhaust guide pipe is connected with an air inlet of an exhaust fan through an exhaust pipe;
the secondary drying mechanism consists of a plurality of microwave drying chambers which are connected in sequence; a plurality of microwave generators are respectively arranged in each microwave drying chamber; the top of the microwave drying chamber is connected with a steam exhaust pipeline; the steam exhaust pipeline is connected with an air inlet of the induced draft fan through a steam exhaust main pipe; the air outlet of the induced draft fan is connected with the heat exchange inlet of the heat exchanger through a heat exchange pipeline; the heat exchanger is mainly used for converting water vapor generated during microwave heating into hot air flow required for preheating, and is an existing shell-and-tube heat exchanger or a plate heat exchanger; and electric baffle doors for blocking microwave leakage are respectively arranged at the front side and the rear side of the secondary drying mechanism.
As a preferred embodiment, the air outlet of the exhaust fan is connected with a drying box filled with silica gel drying agent, and the drying box can be used for drying air with water vapor and then discharging the air, so that the quality of a working environment is improved.
Furthermore, the transmission band comprises first transmission band and second transmission band, and links up the platform through the transmission band between first transmission band and the second transmission band and connect.
As a preferred embodiment, the microwave generators are uniformly distributed above the conveying belt through the annular support, so that microwaves generated by the magnetrons of the microwave generators can uniformly act on wet materials in the material trays on the conveying belt, and the drying efficiency is high; the microwave generator is a device in the prior art, and the specific structure and the working principle of the microwave generator are not detailed herein.
As a preferred embodiment, a microwave suppressor is also arranged between the electric baffle door and the microwave drying chamber, and the microwave suppressor can effectively prevent microwave leakage and improve production safety; the microwave suppressor is an energy leakage suppressor for suppressing microwave leakage in the prior art, and the specific structure and the operation principle thereof are not described in detail herein.
Compared with the prior art, the utility model discloses a drying equipment for producing phthalide adopts the microwave heating mode to carry out the deep drying to the phthalide material after the predrying, and during microwave drying, the microwave can directly act on the hydrone, and inside and outside simultaneous heating, the drying is even; the materials are heated uniformly, and the quality of the dried materials is good; the steam heat generated during microwave heating is recovered and is used for predrying phthalide after being converted by the heat exchanger, so that the loss during subsequent microwave heating is reduced, the drying time of phthalide materials can be shortened, the production efficiency is improved, and the energy waste is reduced; the water vapor generated in the pre-drying process is discharged by the buffer chamber, so that the drying effect is good.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic view of the installation structure of the microwave generator of the present invention.
Fig. 3 is a schematic view of the overall structure of embodiment 2 of the present invention.
Fig. 4 is a schematic view of the overall structure of embodiment 3 of the present invention.
The parts in the drawings are marked as follows: 1-a conveying belt, 1A-a first conveying belt, 1B-a second conveying belt, 1C-a conveying belt connecting platform, 2-a feeding mechanism, 21-a feeding hopper, 22-a high-frequency vibrator, 3-a pre-drying mechanism, 3A-an air drying chamber, 3B-a buffer chamber, 4-a secondary drying mechanism, 41-a microwave drying chamber, 42-a microwave generator, 5-a material tray, 6-a baffle curtain, 7-an air blowing pipe, 8-an air blowing head, 9-an air guide pipe, 10-an air inlet, 11-an exhaust guide pipe, 12-an exhaust pipe, 13-an exhaust fan, 14-an exhaust pipeline, 15-an exhaust manifold, 16-an induced draft fan, 17-a heat exchange pipeline, 18-a heat exchanger, 19-an air blower, 20-a heat preservation pipeline, 23-drying box, 24-microwave suppressor, 25-electric baffle door, 26-ring support.
Detailed Description
Example 1:
the drying device for producing phthalide shown in fig. 1 and fig. 2 comprises a drying device and a control cabinet electrically connected with the drying device and used for controlling the whole drying device; the drying equipment comprises a conveying belt 1, and a feeding mechanism 2, a pre-drying mechanism 3 and a secondary drying mechanism 4 which are sequentially arranged along the conveying direction of the conveying belt 1; a material tray 5 is placed on the conveying belt 1;
the feeding mechanism 2 comprises a feeding hopper 21 with a high-frequency vibrator 22; the material tray 5 is placed below the feed hopper 21;
the pre-drying mechanism 3 consists of an air drying chamber 3A and a buffer chamber 3B, and the front side and the rear side of the air drying chamber 3A are respectively hung with a retaining curtain 6; a blowing pipe 7 is arranged in the air drying chamber 3A; a plurality of blowing heads 8 are uniformly distributed at the lower end of the blowing pipe 7; the center of the blowpipe 7 is connected with an air inlet 10 arranged at the top of the air drying chamber 3A through an air guide pipe 9; a plurality of exhaust guide pipes 11 are arranged at the top of the buffer chamber 3B; the lower end of the exhaust duct 11 is communicated with the buffer chamber 3B, and the upper end of the exhaust duct is connected with the air inlet of an exhaust fan 13 through an exhaust pipe 12;
the secondary drying mechanism 4 consists of a plurality of microwave drying chambers 41 which are connected in sequence; a plurality of microwave generators 42 are respectively installed in each microwave drying chamber 41; the top of the microwave drying chamber 41 is connected with a steam exhaust pipeline 14; the steam exhaust pipeline 14 is connected with an air inlet of an induced draft fan 16 through a steam exhaust main pipe 15; an air outlet of the induced draft fan 16 is connected with a heat exchange inlet of the heat exchanger 18 through a heat exchange pipeline 17; the heat exchange outlet of the heat exchanger 18 is connected with the air inlet at the top of the air drying chamber 3A through a heat preservation pipeline 20 provided with a blower 19; and electric baffle doors 25 for blocking microwave leakage are respectively arranged at the front side and the rear side of the secondary drying mechanism 4.
The transmission band 1 comprises first transmission band 1A and second transmission band 1B, and links up platform 1C through the transmission band between first transmission band 1A and the second transmission band 1B and connect.
A plurality of said microwave generators 42 are uniformly distributed above the conveyor belt 1 by means of the toroidal support 26.
Example 2:
the drying apparatus for producing phthalide shown in fig. 3 has a structure substantially the same as that of embodiment 1, wherein the exhaust fan 13 is connected with a drying box 23 filled with silica gel desiccant at its air outlet.
Example 3:
the drying apparatus for producing phthalide shown in fig. 4 has a structure substantially the same as that of embodiment 1, wherein a microwave suppressor 24 is further installed between the electric damper 25 and the microwave drying chamber 41.
The utility model discloses a drying equipment for producing phthalide adopts the microwave heating mode to carry out the deep drying to the phthalide material after the predrying, and during the microwave drying, the microwave can directly act on the hydrone, heats simultaneously inside and outside, and is dry evenly; the materials are heated uniformly, and the quality of the dried materials is good; the steam heat generated during microwave heating is recovered and is used for predrying phthalide after being converted by the heat exchanger, so that the loss during subsequent microwave heating is reduced, the drying time of phthalide materials can be shortened, and the production efficiency is improved; the water vapor generated in the pre-drying process is discharged by the buffer chamber, so that the drying effect is good.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (5)
1. A drying device for producing phthalide comprises a drying device and a control cabinet which is used for being electrically connected with the drying device and used for controlling the whole drying device; the method is characterized in that: the drying equipment comprises a conveying belt, and a feeding mechanism, a pre-drying mechanism and a secondary drying mechanism which are sequentially arranged along the conveying direction of the conveying belt; a material tray is placed on the conveying belt;
the feeding mechanism comprises a feeding hopper with a high-frequency vibrator; the material tray is placed below the feed hopper;
the pre-drying mechanism consists of an air drying chamber and a buffer chamber, and the front side and the rear side of the air drying chamber are respectively suspended with a retaining curtain; a blowing pipe is arranged in the air drying chamber; a plurality of blowing heads are uniformly distributed at the lower end of the blowing pipe; the center of the blowing pipe is connected with an air inlet arranged at the top of the air drying chamber through an air guide pipe; a plurality of exhaust guide pipes are arranged at the top of the buffer chamber; the lower end of the exhaust guide pipe is communicated with the buffer chamber, and the upper end of the exhaust guide pipe is connected with an air inlet of an exhaust fan through an exhaust pipe;
the secondary drying mechanism consists of a plurality of microwave drying chambers which are connected in sequence; a plurality of microwave generators are respectively arranged in each microwave drying chamber; the top of the microwave drying chamber is connected with a steam exhaust pipeline; the steam exhaust pipeline is connected with an air inlet of the induced draft fan through a steam exhaust main pipe; the air outlet of the induced draft fan is connected with the heat exchange inlet of the heat exchanger through a heat exchange pipeline; the heat exchange outlet of the heat exchanger is connected with the air inlet at the top of the air drying chamber through a heat insulation pipeline provided with a blower; and electric baffle doors for blocking microwave leakage are respectively arranged at the front side and the rear side of the secondary drying mechanism.
2. The drying apparatus for producing phthalide according to claim 1, wherein: the air outlet of the exhaust fan is connected with a drying box filled with silica gel drying agent.
3. The drying apparatus for producing phthalide according to claim 1, wherein: the transmission band comprises first transmission band and second transmission band, and links up the platform through the transmission band between first transmission band and the second transmission band and connect.
4. The drying apparatus for producing phthalide according to claim 1, wherein: a plurality of microwave generator passes through ring carrier evenly distributed in the transmission band top.
5. The drying apparatus for producing phthalide according to claim 1, wherein: and a microwave suppressor is also arranged between the electric baffle door and the microwave drying chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020469554.7U CN212299835U (en) | 2020-04-02 | 2020-04-02 | A drying equipment for producing phthalide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020469554.7U CN212299835U (en) | 2020-04-02 | 2020-04-02 | A drying equipment for producing phthalide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212299835U true CN212299835U (en) | 2021-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020469554.7U Active CN212299835U (en) | 2020-04-02 | 2020-04-02 | A drying equipment for producing phthalide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212299835U (en) |
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2020
- 2020-04-02 CN CN202020469554.7U patent/CN212299835U/en active Active
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