CN112728879A - Drying equipment for slender products - Google Patents
Drying equipment for slender products Download PDFInfo
- Publication number
- CN112728879A CN112728879A CN202011626085.6A CN202011626085A CN112728879A CN 112728879 A CN112728879 A CN 112728879A CN 202011626085 A CN202011626085 A CN 202011626085A CN 112728879 A CN112728879 A CN 112728879A
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- Prior art keywords
- drying
- drying cylinder
- control valve
- heating box
- circulating fan
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- 238000001035 drying Methods 0.000 title claims abstract description 144
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 description 9
- 238000009835 boiling Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000512259 Ascophyllum nodosum Species 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/047—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum for continuous drying of material in long length, e.g. webs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/06—Chambers, containers, or receptacles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention is suitable for the technical field of drying equipment, and provides equipment for drying slender products, which comprises: a drying cylinder body, wherein a strip-shaped drying space is formed inside the drying cylinder body; the vacuum pump is communicated with the drying cylinder through a pipeline, and a vacuum control valve is arranged on the connecting pipeline and used for driving airflow in the drying cylinder to be discharged to form negative pressure; the heating box is communicated with the drying cylinder; the circulating fan is communicated with the heating box and the drying cylinder and used for driving airflow in the drying cylinder to circulate; wherein, the heating box, the circulating fan and the drying cylinder form a circulating channel, and a thermal control valve is arranged on the circulating channel; opening a thermal control valve and closing a vacuum control valve, starting a heating box and a circulating fan, driving airflow and heating for drying; the vacuum pump forms negative pressure inside the drying cylinder body, and hot air circulation and negative pressure treatment are alternately carried out. The invention has the advantages that: simple structure, convenient operation, high drying efficiency, good safety and convenient popularization and implementation.
Description
Technical Field
The invention belongs to the technical field of drying equipment, and particularly relates to drying equipment for slender products.
Background
With the development of society, various products are diversified, a plurality of slender products exist in a plurality of products, and drying is an indispensable processing process in the processing process of various products, so that the products are convenient to carry, store and use. For example, products such as sugarcane, wood strips, kelp and the like are all slender structures, and in the conventional product drying process, corresponding equipment is not used for drying, and natural drying is adopted, so that the efficiency is low.
Disclosure of Invention
The embodiment of the invention aims to provide a drying device for slender products, and aims to solve the problem of low drying efficiency.
The invention is realized in such a way that the drying equipment for the slender products comprises:
the drying cylinder is provided with a closable material port, and a strip-shaped drying space is formed inside the drying cylinder;
the vacuum pump is communicated with the drying cylinder through a pipeline, and a vacuum control valve is arranged on the connecting pipeline and used for driving airflow in the drying cylinder to be discharged to form negative pressure;
the heating box is communicated with the drying cylinder and used for heating;
the circulating fan is communicated with the heating box and the drying cylinder and used for driving airflow in the drying cylinder to circulate;
wherein, the heating box, the circulating fan and the drying cylinder form a circulating channel, and a thermal control valve is arranged on the circulating channel; opening a thermal control valve and closing a vacuum control valve, starting a heating box and a circulating fan, driving airflow and heating for drying; and closing the heating box, the circulating fan and the thermal control valve, opening the vacuum pump and the vacuum control valve, enabling the vacuum pump to enable the interior of the drying cylinder to form negative pressure, and alternately performing hot air circulation and negative pressure treatment to dry the drying cylinder.
In the embodiment of the invention, the drying cylinder is opened, the slender products are placed in the drying cylinder, the thermal control valve is firstly opened, the vacuum control valve is closed at the same time, the heating box and the circulating fan are started, the airflow in the drying cylinder enters the heating box under the driving of the circulating fan to form airflow circulation, the airflow is heated under the action of the heating box, the heated airflow enters the drying cylinder under the driving of the circulating fan to dry the slender products in the drying cylinder, the airflow passes through gaps among the products, and the airflow takes away a certain amount of liquid steam to dry; after the drying cylinder body reaches the designated temperature for a period of time, the heating box, the circulating fan and the thermal control valve are closed, the vacuum pump and the vacuum control valve are opened, the vacuum pump enables negative pressure to be formed inside the drying cylinder body, the evaporation boiling point of liquid is forced to be reduced, and the product is gasified quickly with the liquid. Drying is performed by alternately performing hot air circulation drying and negative pressure treatment. Through the alternate implementation of negative pressure and heated air circulation drying, can fully carry out the drying to long and thin type product, be convenient for reduce the boiling point of liquid to volatile efficiency nature has been increased, the temperature of having avoided too high causes the product damage. The heating is carried out through hot air flow, so that the air flow can be conveniently heated in gaps of products, the heating area is increased, and the drying efficiency is improved. The drying efficiency is further improved by alternately carrying out negative pressure and hot air circulation drying. The invention has the advantages that: simple structure, convenient operation, high drying efficiency, good safety and convenient popularization and implementation.
Drawings
Fig. 1 is a schematic front view of a drying apparatus for elongated products according to an embodiment of the present invention;
fig. 2 is a left side view schematically illustrating a drying apparatus for elongated products according to an embodiment of the present invention;
fig. 3 is a schematic top view of an apparatus for drying elongated products according to an embodiment of the present invention;
in the drawings: the device comprises a drying cylinder body 1, a vacuum control valve 2, a vacuum pump 3, a thermal control valve 4, a heating box 5, a circulating fan 6, a standing platform 7, a flange 8, a hydraulic rod 9, a top cover 10, a pressure gauge 11, a thermometer 12, a hygrometer 13 and an exhaust valve 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 to 3, a structure of a drying apparatus for elongated products according to an embodiment of the present invention includes:
the drying cylinder body 1 is provided with a closable material port, and a strip-shaped drying space is formed inside the drying cylinder body;
the vacuum pump 3 is communicated with the drying cylinder 1 through a pipeline, and a vacuum control valve 2 is arranged on the connecting pipeline and used for driving the negative pressure formed by exhausting airflow in the drying cylinder 1;
the heating box 5 is communicated with the drying cylinder 1 and used for heating;
the circulating fan 6 is communicated with the heating box 5 and the drying cylinder 1 and is used for driving the airflow inside the drying cylinder 1 to circulate;
wherein, the heating box 5, the circulating fan 6 and the drying cylinder 1 form a circulating channel, and a thermal control valve 4 is arranged on the circulating channel; opening the thermal control valve 4 and closing the vacuum control valve 2, starting the heating box 5 and the circulating fan 6, driving airflow and heating for drying; the heating box 5, the circulating fan 6 and the thermal control valve 4 are closed, the vacuum pump 3 and the vacuum control valve 2 are opened, the vacuum pump 3 enables the interior of the drying cylinder 1 to form negative pressure, and hot air circulation and negative pressure treatment are alternately carried out, so that drying is carried out.
In the embodiment of the invention, the drying cylinder 1 is opened, the slender products are placed in the drying cylinder 1, the thermal control valve 4 is firstly opened, the vacuum control valve 2 is closed at the same time, the heating box 5 and the circulating fan 6 are started, the air flow in the drying cylinder 1 enters the heating box 5 under the drive of the circulating fan 6 to form air flow circulation, the air flow is heated under the action of the heating box 5, the heated air flow enters the drying cylinder 1 under the drive of the circulating fan 6 to dry the slender products in the drying cylinder 1, the air flow passes through the gaps among the products, and the air flow takes away a certain amount of liquid steam to dry the slender products; after the drying cylinder 1 reaches the designated temperature for a period of time, the heating box 5, the circulating fan 6 and the thermal control valve 4 are closed, the vacuum pump 3 and the vacuum control valve 2 are opened, the vacuum pump 3 enables the inside of the drying cylinder 1 to form negative pressure, the evaporation boiling point of the liquid is forced to be reduced, and the product is gasified more quickly with the liquid. Drying is performed by alternately performing hot air circulation drying and negative pressure treatment. Through the alternate implementation of negative pressure and heated air circulation drying, can fully carry out the drying to long and thin type product, be convenient for reduce the boiling point of liquid to volatile efficiency nature has been increased, the temperature of having avoided too high causes the product damage. The heating is carried out through hot air flow, so that the air flow can be conveniently heated in gaps of products, the heating area is increased, and the drying efficiency is improved. The drying efficiency is further improved by alternately carrying out negative pressure and hot air circulation drying.
In an example of the present invention, the drying cylinder 1 may be a long cylinder type tubular mechanism, the interior of the drying cylinder is convenient for the insertion of the elongated products, and the drying cylinder 1 is provided with a discharge port which can be closed, so as to facilitate the insertion and the removal of the elongated products. The outer wall of the drying cylinder body 1 is provided with the heat preservation layer, so that the drying cylinder body 1 is subjected to heat preservation, temperature diffusion is avoided, energy waste is avoided, and energy is saved. The heating box 5 and the circulating fan 6 are communicated through a steel pipe, the thermal control valve 4 is arranged on the steel pipe, and the vacuum control valve 2 and the thermal control valve 4 can be remotely controlled, so that remote control is realized.
As a preferred embodiment of the present invention, the drying cylinder 1 is communicated with a pressure display component, and the pressure display component can detect the pressure inside the drying cylinder 1, so as to facilitate the conversion between the vacuum control valve 2 and the thermal control valve 4, thereby facilitating the full utilization of energy and avoiding the energy waste caused by the overlarge vacuum degree inside the drying cylinder 1. The pressure display member can be a pressure gauge, a pressure digital display and the like.
As a preferred embodiment of the present invention, the drying cylinder 1 is provided with a temperature display component, and the temperature inside the drying cylinder 1 can be detected by the temperature display component, so that the vacuum control valve 2 and the thermal control valve 4 can be conveniently switched, the energy can be conveniently fully utilized, and the energy waste caused by the overhigh temperature inside the drying cylinder 1 can be avoided. The temperature display member may be a thermometer, a temperature digital display, etc.
As a preferred embodiment of the present invention, the exhaust valve 14 is disposed on the drying cylinder 1, and the drying cylinder 1 can be communicated with the atmosphere environment through the exhaust valve 14, so that the internal pressure of the drying cylinder 1 is the same as the external pressure, and damage caused by excessive pressure or unsmooth door opening caused by excessive negative pressure is avoided.
As a preferred embodiment of the present invention, the drying cylinder 1 is divided into an upper end and a lower end, and the upper end and the lower end are connected by the flange 8, so that the drying cylinder 1 is convenient to disassemble and assemble, the internal components of the drying cylinder 1 are convenient to install, the installation is convenient and rapid, and the maintenance is convenient.
As a preferred embodiment of the present invention, a standing platform 7 is provided on the drying cylinder 1 below the flange 8, and the standing platform 7 is provided to facilitate installation and feeding of the drying cylinder 1.
As a preferred embodiment of the invention, the material inlet is arranged at the top of the drying cylinder 1, the top cover 10 is rotatably arranged on the material inlet, the telescopic rod is rotatably arranged on the drying cylinder 1, the telescopic rod is rotatably connected to the top cover 10, and the top cover 10 is driven to rotate by the telescopic rod, so that the drying cylinder 1 is controlled to be opened and closed, and feeding and discharging are facilitated. The telescopic rod can be a hydraulic rod 9, an electric telescopic rod, a pneumatic telescopic rod and the like.
As a preferred embodiment of the present invention, the drying cylinder 1 is provided with a humidity display part, and the humidity inside the drying cylinder 1 is detected by the humidity display part, so that the drying degree can be conveniently determined. The drying quality can be conveniently controlled. The humidity display part, the pressure display part and the temperature display part can be various sensors and are monitored and controlled remotely, so that the control is convenient and fast.
The embodiment of the invention provides a device for drying slender products, which alternately performs hot air circulation drying and negative pressure treatment so as to dry the slender products. Through the alternate implementation of negative pressure and heated air circulation drying, can fully carry out the drying to long and thin type product, be convenient for reduce the boiling point of liquid to volatile efficiency nature has been increased, the temperature of having avoided too high causes the product damage. The heating is carried out through hot air flow, so that the air flow can be conveniently heated in gaps of products, the heating area is increased, and the drying efficiency is improved. The drying efficiency is further improved by alternately carrying out negative pressure and hot air circulation drying.
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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. An elongated product drying apparatus, characterized in that it comprises:
the drying cylinder is provided with a closable material port, and a strip-shaped drying space is formed inside the drying cylinder;
the vacuum pump is communicated with the drying cylinder through a pipeline, and a vacuum control valve is arranged on the connecting pipeline and used for driving airflow in the drying cylinder to be discharged to form negative pressure;
the circulating fan is communicated with the drying cylinder and used for driving airflow in the drying cylinder to circulate;
the heating box is communicated with the drying cylinder and the circulating fan and used for heating circulating airflow;
wherein, the heating box, the circulating fan and the drying cylinder form a circulating channel, and a thermal control valve is arranged on the circulating channel; opening a thermal control valve and closing a vacuum control valve, starting a heating box and a circulating fan, driving airflow and heating for drying; and closing the heating box, the circulating fan and the thermal control valve, opening the vacuum pump and the vacuum control valve, enabling the vacuum pump to form negative pressure inside the drying cylinder, and drying by alternately performing hot air circulation and negative pressure treatment.
2. An elongated item drying apparatus as claimed in claim 1, wherein said drying drum is provided with a pressure display.
3. An elongated item drying apparatus as claimed in claim 1, wherein said drying drum is provided with a temperature display.
4. An elongated product drying apparatus according to claim 1, characterised in that said drying cylinder is provided with an evacuation valve.
5. An elongated product drying apparatus according to claim 1, wherein said drying cylinder is divided into upper and lower ends and connected by flanges.
6. An elongated item drying apparatus as claimed in claim 1, wherein a standing platform is provided on said drying drum.
7. The drying equipment for the slender products according to any one of claims 1 to 6, wherein the material inlet is opened at the top of the drying cylinder, the material inlet is rotatably provided with a top cover, the drying cylinder is rotatably provided with a telescopic rod, and the telescopic rod is rotatably connected to the top cover.
8. An elongated item drying apparatus as claimed in claim 1, wherein a moisture indicator is provided on said drying drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626085.6A CN112728879A (en) | 2020-12-31 | 2020-12-31 | Drying equipment for slender products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626085.6A CN112728879A (en) | 2020-12-31 | 2020-12-31 | Drying equipment for slender products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112728879A true CN112728879A (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011626085.6A Pending CN112728879A (en) | 2020-12-31 | 2020-12-31 | Drying equipment for slender products |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112728879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597329A (en) * | 2022-10-13 | 2023-01-13 | 中国核电工程有限公司（Cn） | MOX assembly drying device and method |
-
2020
- 2020-12-31 CN CN202011626085.6A patent/CN112728879A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597329A (en) * | 2022-10-13 | 2023-01-13 | 中国核电工程有限公司（Cn） | MOX assembly drying device and method |
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