CN216448574U - Drying system for large-scale work piece - Google Patents
Drying system for large-scale work piece Download PDFInfo
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- CN216448574U CN216448574U CN202121861303.4U CN202121861303U CN216448574U CN 216448574 U CN216448574 U CN 216448574U CN 202121861303 U CN202121861303 U CN 202121861303U CN 216448574 U CN216448574 U CN 216448574U
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Abstract
The utility model discloses a drying system for large-sized workpieces, which comprises a preheating part and a heat preservation part, wherein the preheating part comprises a preheating cavity and a plurality of high-power infrared light-emitting boards in the preheating cavity; the heat preservation part comprises a heat preservation cavity and a heat supply assembly for heating the air temperature in the heat preservation cavity; the preheating chamber is communicated with the heat preservation chamber, and a bin gate is arranged between the preheating chamber and the heat preservation chamber; and air draft units are arranged outside the preheating part and the heat preservation part. The part is dried through the quick high temperature heating of preheating portion to the work piece surface earlier, removes the heat preservation stoving in the heat preservation portion with the work piece again, and through the exhaust unit extraction heat preservation cavity in gaseous to preheating the cavity, for providing sufficient reaction oxygen in the preheating portion, provides the heat simultaneously, has reduced heat loss. The utility model has simple structure, low manufacturing cost, high obvious drying efficiency, energy saving and environmental protection, and ensures the drying effect and reduces energy consumption.
Description
Technical Field
The utility model relates to the technical field of drying, in particular to a drying system for a large-sized workpiece.
Background
With the development of industrial technology, drying technologies are becoming more and more diversified, and generally, workpiece products are dried by using a corresponding drying system, which is a combination of a series of mechanical devices that dry moisture or other liquids on the surface of an object by a certain technical means. Popular drying techniques are mainly ultraviolet drying, infrared drying, electromagnetic drying and hot air drying.
But when drying large and heavy irregular workpiece apparatus and equipment such as some large-scale arms or oil tanks, all dry through hot-air drying's technique, air temperature in the drying chamber is gradually improved through the mode that uses hot-air drying, and then realize treating the stoving product through the heat transfer and heat, this heating method can reach better stoving effect, but drying efficiency is low, the stoving energy consumption is high, need improve the air temperature in the chamber step by step earlier, and after a product is dried, open both sides chamber door, when replacing new work piece and drying, the air current convection in the chamber both sides forms a large amount of heat and runs off, the temperature in the chamber reduces, once more through the temperature in the hot-air drying chamber, energy loss is big, and is with high costs, consume too big to the enterprise.
Although in current infrared drying technique, the mode through infrared stoving is dried product direct heating, when drying to some products that the surface spraying has printing ink, required heating temperature is high, and it is long to need to dry for general infrared stoving mode, and drying efficiency is low, and infrared stoving is through the direct mode to the stoving product face, can't realize even stoving to the surface of irregular structure product, consequently current infrared stoving technique is also not applicable to the stoving of this type of product.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the embodiment of the utility model provides a drying system for large-sized workpieces, which has the advantages of high drying efficiency, good drying effect, low energy consumption, reduced heat loss and low cost.
The embodiment of the application discloses: a drying system for large-scale workpieces comprises a preheating part and a heat preservation part, wherein the preheating part comprises a preheating cavity and a plurality of high-power infrared light-emitting plates arranged on the inner wall of the preheating cavity;
the heat preservation part comprises a heat preservation cavity and a heat supply assembly for heating the air temperature in the heat preservation cavity;
the preheating chamber is communicated with the heat-insulating chamber, and a bin gate is arranged between the preheating chamber and the heat-insulating chamber;
the air draft units are arranged outside the preheating part and the heat preservation part and are communicated with the preheating chamber and the heat preservation chamber, and air in the heat preservation chamber is pumped into the preheating chamber;
and a ventilation channel is arranged between the preheating chamber and the heat preservation chamber.
Preferably, the high-power infrared light-emitting plate is a fuel gas catalysis infrared light-emitting plate.
Preferably, the ventilation channel is located at the lower part of the communication part between the preheating part and the heat preservation part.
Preferably, the volume capacity of the heat-retaining section is larger than the volume capacity of the preheating section.
Preferably, the volume of the heat preservation part is larger than that of the preheating part, and the heat preservation part is a drying hot air blower.
Preferably, the convulsions unit is the air exhauster, and is equipped with one, the convulsions unit includes exhaust pipe and air-out pipeline, the exhaust pipe intercommunication the heat preservation cavity, the air-out pipeline intercommunication preheat a plurality of in the cavity the inlet channel of high power infrared luminescent plate communicates respectively.
Preferably, the air outlet of the air outlet pipeline faces the high-power infrared light-emitting panel.
The utility model has the following beneficial effects: the utility model forms the combined drying system by arranging the preheating part and the heat preservation part, can realize the drying of the outer surface of a large or heavy workpiece, firstly utilizes the high-power luminous plate in the preheating part to quickly and directly dry the workpiece, ensures that the outer surface of the workpiece is quickly heated in a short time, then moves the workpiece into the heat preservation part, the heat preservation part is heated by hot air, so that the air temperature in the heat preservation cavity keeps the drying temperature, further heating the workpiece by hot air to realize overall drying and ensure the drying effect, wherein the workpiece is preheated in the preheating part in advance and then enters the heat preservation part, the air temperature in the heat preservation part can not be reduced, compared with the prior hot air heating and drying, the drying time is greatly shortened, the working efficiency is improved, and the air environment in the heat-insulating chamber can not be reduced because the initial temperature of the workpiece in the heat-insulating chamber is low, so that the consumption of energy and heat is avoided. Meanwhile, the conditions that the high-power light-emitting plate is not uniformly dried and the surface of the workpiece is dry and wet are avoided, the drying uniformity is good, and the product quality is ensured.
In addition, two parts of a preheating part and a heat preservation part are arranged and are separated through bin doors, when a workpiece is moved, inlets and outlets of the two parts of the preheating part and the heat preservation part are not opened simultaneously, when the workpiece enters the heat preservation part from the preheating part, the bin doors are opened, the workpiece moves from the preheating part to enter the heat preservation part, meanwhile, heat of the preheating part is brought into the heat preservation part along with the workpiece, heat energy is provided for the heat preservation part, the heating energy consumption of the heat preservation part is reduced, the problem that in the prior art, the workpiece moves in and out of a drying system, the bin doors at two ends of equipment are opened to form air circulation, and a large amount of air heat in the drying system flows out of the drying system along with the movement of the workpiece, so that the condition that a large amount of heat energy is lost is caused.
Because the high-power infrared light-emitting plate is arranged in the preheating part, when the high-power infrared light-emitting plate works, the oxygen content in the preheating cavity is rapidly reduced, when the gas in the preheating cavity is used for gas catalytic reaction, the working efficiency of the high-power infrared light-emitting plate is reduced, in order to ensure that the high-power infrared light-emitting plate can have sufficient oxygen in the closed preheating cavity to realize the gas catalytic reaction, the gas in the heat-insulating cavity is extracted by the arranged air extracting unit, because the heat-insulating cavity has larger volume, large air quantity and high oxygen content, the gas in the heat-insulating cavity extracted by the air extracting unit is conveyed into the air inlet channel of the high-power infrared light-emitting plate again, so that sufficient oxygen is provided for realizing the gas catalytic reaction for the high-power infrared light-emitting plate in the preheating cavity, and simultaneously, the air in the heat-insulating cavity of the air extracting unit is hot air, and then conveyed to the preheating cavity, so that when sufficient oxygen is available for the high-power infrared light-emitting panel to react, air with certain high temperature is directly conveyed to the preheating cavity, and the condition that the preheating effect is influenced by temperature reduction in the preheating cavity due to the fact that cold air is supplied to the high-power infrared light-emitting panel from the outside in the prior art is avoided.
In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a combined drying system in an embodiment of the present invention.
Reference numerals of the above figures:
1. a preheating section; 11. preheating a chamber; 12. a high power infrared light emitting panel; 121. an air intake passage; 13. a system inlet; 2. a heat-insulating part; 21. a heat-preserving chamber; 22. a heat supply assembly; 23. a system outlet; 3. a bin gate; 4. an air draft unit; 41. an air extraction duct; 42. an air outlet pipeline; 5. and a ventilation channel.
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 fig. 1, the drying system for large-sized workpieces comprises a preheating part 1 and a heat preservation part 2, wherein the preheating part 1 comprises a preheating chamber 11 and a plurality of high-power infrared light-emitting panels 12 arranged on the inner wall of the preheating chamber 11, and the plurality of high-power infrared light-emitting panels 12 are gas catalytic infrared light-emitting panels;
the heat preservation part 2 comprises a heat preservation chamber 21 and a heat supply assembly 22 for heating the air temperature in the heat preservation chamber 21, the heat preservation part 2 is a drying hot air blower, and the drying hot air blower works to enable the air temperature in the heat preservation chamber 21 to be increased and flow in the heat preservation chamber 21, so that the drying effect on each area of the surface of the workpiece is realized; the volume of the heat preservation part 2 is larger than that of the preheating part 1, the volume ratio of the two volumes is 4:1, the preheating chamber 11 and the heat preservation chamber 21 are integrally constructed, a bin door 3 is arranged between the preheating chamber 11 and the heat preservation chamber 21, and the preheating chamber 11 is communicated with or separated from the heat preservation chamber 21 by opening or closing the bin door 3;
preheating part 1 with the outside of heat preservation part 2 is equipped with ventilation unit 4, ventilation unit 4 includes exhaust pipe 41 and air-out pipeline 42, exhaust pipe 41 intercommunication heat preservation cavity 21, air-out pipeline 42 intercommunication 121 communicates respectively in preheating the inlet channel of every high power infrared light-emitting board 12 in the cavity 11, air-out pipeline 42's air outlet orientation high power infrared light-emitting board 12 preheating part with the lower part of heat preservation part intercommunication department is equipped with ventilation channel 5, and ventilation unit 4 during operation can realize circulating air through ventilation channel 5 will preheating between cavity 11 and the heat preservation cavity 21.
The drying method for drying the large workpiece by using the drying system comprises the following steps:
the heat supply assembly 22 is used for heating the heat preservation chamber 21, so that the temperature of air in the heat preservation chamber reaches a preset drying temperature for drying the workpiece, and the air is kept;
moving the workpiece into the preheating chamber 11, and rapidly heating the workpiece by the high-power infrared light-emitting panel 12;
the air extracting unit 4 extracts the gas in the heat-insulating cavity 21 through the air extracting pipeline 41 and conveys the gas into the preheating cavity 11 through the air outlet pipeline 42, and the gas in the heat-insulating cavity 21 is extracted through the air extracting unit 4 to provide reaction oxygen for the high-power light-emitting plate in the preheating part 1;
after the preheating time of the workpiece in the preheating chamber 11 reaches the preset time, opening the bin door 3, and moving the workpiece into the heat-insulating chamber 21;
and after the heat preservation time of the workpiece in the heat preservation chamber 21 reaches the preset time, moving the workpiece out of the combined drying system to finish drying.
In this embodiment, the work piece surface scribbles printing ink, needs to dry printing ink, and in the stoving process, preheating temperature in preheating chamber 11 is greater than heat preservation temperature in heat preservation chamber 21, 21 heats through heating subassembly 22 in the heat preservation chamber and reaches 200 ℃ and keep, and high power infrared light-emitting panel 12 heating temperature reaches 250 ℃ in preheating chamber 11 for the work piece realizes fast drying in preheating chamber 11, and the stoving efficiency of preheating is high, and preheating time in preheating chamber 11 is less than heat preservation time in heat preservation chamber 21, and preheating time in preheating chamber 11 sets up 5-8 minutes, keeps warm 20 minutes through heat preservation chamber 21 after preheating the completion, accomplishes the stoving of whole work piece. In the preheating process, the high-power infrared light-emitting panels 12 are arranged along the inner wall surface of the preheating cavity 11, so that infrared heating can be realized around a workpiece and directly on the surface of the periphery of the workpiece, because the high-power infrared light-emitting panels 12 work simultaneously, a large amount of oxygen is rapidly consumed by catalytic reaction, the oxygen content in the preheating cavity is rapidly reduced, in order to ensure that the high-power infrared light-emitting panels 12 can have sufficient oxygen in the closed preheating cavity 11 to realize gas catalytic reaction, air in the heat-insulating cavity 21 is extracted through the arranged air draft unit 4, because the heat-insulating part 2 is larger than the volume of the preheating part 1, a large amount of air is contained in the heat-insulating cavity 21 of the heat-insulating part 2, after the air in the heat-insulating cavity 21 is extracted by the air draft unit 4, the air is conveyed to the air inlet channel 121 of each high-power infrared light-emitting panel 12, and the high-power infrared light-emitting panels 12 react, and then can provide sufficient oxygen and realize gas catalytic reaction for preheating the infrared luminescent plate 12 of high-power in the cavity 11, preheat some gas in the cavity 11 simultaneously and flow into in the heat preservation cavity 21 from the crack of door 3, form the inner loop that preheats cavity 11 and heat preservation cavity 21, when providing sufficient oxygen for the infrared luminescent plate 12 of high power and carry out catalytic reaction, directly will have the air of certain high temperature to carry and preheat the cavity 11, the air that can have certain high temperature through the infrared luminescent plate 12 of high power further heats, and direct towards the work piece, it provides high power infrared luminescence to have avoided supplementing cold air from the outside among the prior art, and lead to preheating the temperature reduction in the cavity 11, influence the condition of preheating the effect.
In this embodiment, the preheating part 1 is provided with a system inlet 13 corresponding to the bin gate 3, the heat preservation part 2 is provided with a system outlet 23 corresponding to the bin gate 3, the system inlet 13 and the system outlet 23 are not opened simultaneously during the movement of the work pieces, the bin gate 3 is opened during the movement of the work pieces from the preheating section 1 into the heat-retaining section 2, the work pieces are moved from the preheating section into the heat-retaining section 2, meanwhile, the heat of the preheating part 1 is brought into the heat preservation part 2 along with the workpiece to provide heat energy for the heat preservation part 2, the energy consumption of the temperature rise of the heat preservation part 2 is reduced, the simultaneous opening of a system inlet 13 and a system outlet 23 is avoided, air circulation is formed, so that a large amount of air heat flows out of the drying system along with the movement of the workpiece to cause the loss of a large amount of heat energy, the utility model has low manufacturing cost, obviously improves the heating efficiency, greatly reduces the energy consumption, saves energy, protects the environment and has low operation cost.
The principle and the implementation mode of the utility model are explained by applying specific embodiments in the utility model, and the description of the embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (7)
1. The drying system for the large-sized workpiece is characterized by comprising a preheating part and a heat preservation part, wherein the preheating part comprises a preheating cavity and a plurality of high-power infrared light-emitting boards arranged on the inner wall of the preheating cavity;
the heat preservation part comprises a heat preservation cavity and a heat supply assembly for heating the air temperature in the heat preservation cavity;
the preheating chamber is communicated with the heat preservation chamber, and a bin gate is arranged between the preheating chamber and the heat preservation chamber;
the air draft units are arranged outside the preheating part and the heat preservation part and are communicated with the preheating chamber and the heat preservation chamber, and air in the heat preservation chamber is pumped into the preheating chamber;
and a ventilation channel is arranged between the preheating chamber and the heat preservation chamber.
2. The drying system for large-sized workpieces according to claim 1, wherein the high-power infrared light-emitting panel is a gas-catalyzed infrared light-emitting panel.
3. The drying system for large-sized workpieces according to claim 1, wherein the ventilation channel is located at a lower portion where the preheating part communicates with the heat-retaining part.
4. The drying system for large-sized workpieces according to claim 1, wherein a volume capacity of the heat-retaining section is larger than a volume capacity of the preheating section.
5. The drying system for large workpieces according to claim 4, wherein the heat-insulating part is a drying hot air blower.
6. The drying system for the large-sized workpieces as recited in claim 1, wherein the air draft unit is an exhaust fan and is provided with one, the air draft unit comprises an air draft pipeline and an air outlet pipeline, the air draft pipeline is communicated with the heat preservation chamber, and the air outlet pipeline is communicated with a plurality of air inlet channels of the high-power infrared light-emitting panels in the preheating chamber and is respectively communicated with the air inlet channels.
7. The drying system for the large-sized workpieces as recited in claim 6, wherein an air outlet of said air outlet duct faces said high-power infrared light emitting panel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021207607735 | 2021-04-14 | ||
| CN202120760773 | 2021-04-14 |
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| CN216448574U true CN216448574U (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121861303.4U Active CN216448574U (en) | 2021-04-14 | 2021-08-10 | Drying system for large-scale work piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351451A (en) * | 2021-04-14 | 2021-09-07 | 苏州卡泰里环保能源有限公司 | Drying system and drying method for large workpiece |
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- 2021-08-10 CN CN202121861303.4U patent/CN216448574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113351451A (en) * | 2021-04-14 | 2021-09-07 | 苏州卡泰里环保能源有限公司 | Drying system and drying method for large workpiece |
| CN113351451B (en) * | 2021-04-14 | 2023-08-15 | 苏州卡泰里环保能源有限公司 | Drying system and drying method for large-sized workpiece |
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