CN212451934U

CN212451934U - Microwave-assisted medium-temperature hot air impact drying device

Info

Publication number: CN212451934U
Application number: CN202022075378.1U
Authority: CN
Inventors: 魏鹏郦; 钱淼; 马成章; 向忠; 黄烨锋; 胡旭东
Original assignee: Zhejiang University of Technology ZJUT
Current assignee: Zhejiang University of Technology ZJUT; Zhejiang Sci Tech University ZSTU; Zhejiang University of Science and Technology ZUST
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-02-02
Anticipated expiration: 2030-11-18

Abstract

A microwave-assisted medium-temperature hot air impact drying device comprises a base, a drying chamber arranged on the base and a high-temperature resistant belt arranged on the base and penetrating through the drying chamber, wherein a plurality of hot air guide holes are formed in the top of the drying chamber, heat exchangers are arranged on the hot air guide holes, and microwave nozzles which are arranged intermittently with the hot air guide holes are arranged on one side, facing the high-temperature resistant belt, of the hot air guide holes; the bottom of the drying cavity is provided with a wet air diversion hole, the wet air diversion hole is provided with electromagnets which are intermittently arranged with the wet air diversion hole, and a filter screen box body is arranged below the wet air diversion hole.

Description

Microwave-assisted medium-temperature hot air impact drying device

Technical Field

The utility model relates to a hot-blast and microwave application equipment technical field specifically relates to a medium temperature hot-blast impingement drying device is assisted to microwave.

Background

The textile industry is the traditional prop industry and the main civil industry of national economy in China, the competitive pressure of the textile industry is higher and higher, the styles, the processes and the like of the textile industry are more and more, more requirements are also provided for the printing and dyeing of textiles and the shaping and drying of the printed and dyed textiles, the dye of the fabrics can be better fixed through microwave drying and hot air, the energy consumption can be reduced, in addition, the fabrics are convenient to store after being dried, and the damage to the fabrics can be reduced.

Based on a domestic hot air circulation oven, after air blown out by a fan is heated by a heat exchanger, hot air flows into a box body and heats materials in the box body, and water volatilized by the materials is brought out by the hot air, enters a circulating air duct, is sucked into the fan again, and enters a circulating state. This bake out case has carried out circulation treatment to hot-blast, makes the humid air after the material drying obtain very recycle, but does not handle the humid air after the material drying, lets the humid air of unprocessed for a long time in the heated air mesocycle, can carry the impurity in the material into the circulation wind channel, and the wind channel is difficult for wasing, consequently can cause cross infection to the material.

Chinese utility model patent (CN111076511A) discloses a microwave drying device, which can dry chemical raw materials and can process the waste gas generated by drying, and the utility of the device is relatively high, but the efficiency of drying is not very high.

Chinese utility model patent (CN306015353U) discloses a textile fabric drying device, and the drying technique that this drying device adopted is hot air drying, and hot-blast source is the hot-blast of outer machine of air conditioner, and the device easy operation, convenient to use and energy-concerving and environment-protective, but drying efficiency is low, and the stoving time is of a specified duration.

SUMMERY OF THE UTILITY MODEL

To prior art the utility model provides a microwave-assisted medium temperature hot air impact drying device improves material drying efficiency through two kinds of drying methods of hot air drying and microwave drying to can effectual cyclic utilization waste energy.

In order to solve the technical problem, the utility model discloses a following scheme can be solved:

a microwave-assisted medium-temperature hot air impact drying device comprises a base, a drying chamber arranged on the base and a high-temperature resistant belt arranged on the base and penetrating through the drying chamber, wherein a plurality of hot air guide holes are formed in the top of the drying chamber, heat exchangers are arranged on the hot air guide holes, and microwave nozzles which are arranged intermittently with the hot air guide holes are arranged on one side, facing the high-temperature resistant belt, of the hot air guide holes; the bottom of the drying cavity is provided with a wet air diversion hole, the wet air diversion hole is provided with electromagnets which are arranged intermittently with the wet air diversion hole, and a filter screen box body is arranged below the wet air diversion hole.

In one embodiment, a cold air inlet is formed at one end of the heat exchanger, and a fan for sucking cold air into the base from the cold air inlet is arranged in the cold air inlet.

In one embodiment, one end of the drying chamber and one end of the high temperature resistant belt are provided with a wet cloth inlet, and the other end of the drying chamber and the high temperature resistant belt are provided with a cloth outlet.

In one embodiment, a side wall of the drying chamber is provided with a temperature measuring instrument and a moisture content measuring instrument.

In one embodiment, the filter screen box body comprises a glue drying agent arranged in the filter screen box body and a filter screen arranged on the filter screen box body, wherein a sealing gasket is arranged on the periphery of the filter screen, and the filter screen is fixed on the filter screen box body through a clamping strip.

In one embodiment, a groove for accommodating the filter screen box body is formed between the bottom of the base and the bottom of the drying chamber, and the filter screen box body is connected with the groove through a guide rail.

In one embodiment, an air duct is arranged between the bottom of the drying chamber and the bottom of the base and between one side of the drying chamber and one side of the base, and a high-temperature blower is arranged in the air duct.

In one embodiment, one end of the base is provided with a powered gate valve.

In one embodiment, a transmission system and a control system are arranged on the base, and the control system is connected with the transmission system, the microwave nozzle, the electric gate valve temperature measuring instrument, the moisture content measuring instrument, the electromagnet and the high-temperature blower.

In one embodiment, the transmission system includes a motor for rotating the high temperature resistant belt, a pulley, and a coupling.

The utility model has the advantages that:

1. the utility model discloses a textile fabric drying device, set up the wet cloth entry through the base left side, the wet cloth entry lets the material enter the drying chamber and dries, in order to make the dry area of contact of wet cloth big, has adopted the feeding and the ejection of compact mode of assembly line to make its microwave and hot-blast direct action on the material; a fan is arranged on the right side of the base, blows cold air in and then passes through a heat exchanger above the drying chamber; the upper part of the drying chamber is provided with hot air diversion holes and microwave spray pipes which are arranged in a crossed manner, the hot air diversion holes and the microwave nozzles are arranged in a crossed manner, and a heat source is distributed reasonably, so that the drying efficiency is improved; the lower part of the drying chamber is provided with a wet air diversion hole and electromagnets which are arranged in a crossed manner, wherein the wet air diversion hole mainly plays a role in guiding wet air, and the electromagnets generate an alternating electric field; wet air flows out of the wet air guide holes and passes through the filter screen and the silica gel desiccant, and after the wet air is treated, the treated wet air is guided to the heat exchanger by using the high-temperature air blower, so that the wet air can be recycled; the temperature measuring instrument and the moisture content measuring instrument are installed on the left side of the drying chamber, when the readings of the temperature measuring instrument and the moisture content measuring instrument are too high, the electromagnet is adjusted through the control system to control microwave drying, the two drying methods are alternately arranged, hot air drying and microwave drying can be controlled according to the temperature and the humidity in the drying box in the drying process, drying control over drying cloth is facilitated, and drying efficiency is improved.

2. In porous material's drying field, direct energy utilization is less, the utility model discloses can handle energy utilization, and pass through the utility model discloses a fabric drying device dries the material, has improved drying efficiency, the abundant area of contact that has improved material and heat source for can not produce too big difference in temperature between the material, in addition, all cyclic utilization to the filter screen and the silica gel drier that are used for handling humid air, thereby the utility model discloses produce considerable environmental protection benefit and economic benefits.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a left sectional structural schematic diagram of the present invention.

Fig. 4 is a schematic structural diagram of the filter screen box of the present invention.

Fig. 5 is a block diagram of the apparatus of the present invention.

Shown in the figure: 1. a high temperature resistant belt; 2. a wet cloth inlet; 3. a temperature measuring instrument; 4. a moisture content measuring instrument; 5. a microwave nozzle; 6. hot air diversion holes; 7. a heat exchanger; 8. a drying chamber; 9. a high temperature blower; 10. a fan; 11. a cold air inlet; 12. a cloth outlet; 13. an electric gate valve; 14. an air duct; 15. a silica gel desiccant; 16. a filter screen; 17. a humid air diversion hole; 18. an electromagnet; 19. a base; 20. a filter screen cartridge; 21. clamping the strip; 22. a screen surface; 23. a filter screen box body handle; 24. a slide rail.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments. In the following description, feature details such as specific configurations and components are provided only to help a full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.

The utility model provides a microwave-assisted medium-temperature hot air impact drying device.

As shown in fig. 1-5, a microwave-assisted medium-temperature hot air impingement drying device comprises a base 19, a drying chamber 8 and a high-temperature resistant belt 1, wherein the base 19 and the drying chamber 8 are connected together by welding, the high-temperature resistant belt 1 is disposed on the base 19 and penetrates through the drying chamber 8, specifically, as shown in the figure, the base 19 is a base with a groove at the middle, the drying chamber 8 is welded in the groove and has a space with the bottom of the groove, and the high-temperature resistant belt 1 is disposed on the base 19 and penetrates through the drying chamber 8.

Further, be provided with transmission system on the base 16, wherein, transmission system is including driving high temperature resistant belt 1 pivoted motor, belt pulley and shaft coupling to the motor passes through the shaft coupling and drives the belt pulley and rotate, and high temperature resistant belt 1 rotates simultaneously through the belt pulley rotation simultaneously.

Further, drying chamber 8 with the one end of high temperature resistant belt 1 is provided with wet cloth entry 2, the other end is provided with cloth export 12, specifically, as shown in fig. 1, drying chamber 8 is provided with wet cloth entry 2 with high temperature resistant belt 1 left end, the right-hand member is provided with cloth export 12 to after the material is placed on the high temperature resistant belt 1 of wet cloth entry 2 department, through the high temperature resistant belt 1 of transmission system control removal, and then let the material get into drying chamber 8 and dry, after the material is dry in drying chamber 8, transmission system control high temperature resistant belt 1 removes the material from cloth export 12 and comes out.

Furthermore, the wet cloth inlet 2 allows the material to enter the drying chamber 8 for drying, and in order to increase the contact area for drying the wet cloth, the microwave and hot air are directly acted on the material by adopting a feeding and discharging mode of a production line.

Further, as shown in fig. 1 and 3, a plurality of hot air guiding holes 6 are formed in the top of the drying chamber 8, a heat exchanger 7 is arranged on each of the hot air guiding holes 6, and a microwave nozzle 5 arranged intermittently with each of the hot air guiding holes 6 is arranged on one side of each of the hot air guiding holes 6 facing the high temperature resistant belt 1; specifically, the center of the top of the drying chamber 8 is provided with intermittently arranged hot air diversion holes 6, and preferably, the center of the top of the drying chamber 8 of the utility model is provided with 4 rows of intermittently arranged hot air diversion holes 6 with the diameter of 60 cm; the hot air diversion hole 6 is provided with a heat exchanger 7, and the heat exchanger 7 is in threaded connection with the drying chamber 8; one side of the hot air diversion holes 6 facing the high-temperature resistant belt 1 is provided with microwave nozzles 5 which are arranged intermittently with the hot air diversion holes 6, and preferably, one side of the hot air diversion holes 6 facing the high-temperature resistant belt 1 is provided with 6 microwave nozzles 5.

Furthermore, a cold air inlet 11 is formed at one end of the heat exchanger 7, and a fan 10 for sucking cold air from the cold air inlet into the base 19 is arranged in the cold air inlet 11. Therefore, cold air enters the heat exchanger 7 through the operation of the fan 10, and hot air treated by the heat exchanger 7 enters the drying chamber 8 from the hot air diversion hole 6 to act on wet cloth for drying.

Further, a plurality of intermittently arranged wet air guide holes 17 are formed in the bottom of the drying chamber 8, electromagnets 18 intermittently arranged with the wet air guide holes 17 are arranged on the wet air guide holes 17, a filter screen box body 20 is installed below the wet air guide holes 17, specifically, 6 rows of intermittently arranged wet air guide holes 17 are formed in the center of the bottom of the drying chamber 8, and preferably, the diameter of each wet air guide hole 17 is 60 cm; 6 electromagnets 18 which are arranged with the wet air diversion holes 17 in an intermittent way are arranged on the wet air diversion holes 17; a filter screen 16 and a silica gel desiccant 15 are arranged below the wet air diversion hole 17.

As further shown in fig. 4, a clamping strip 21 is arranged above the filter screen box body 20, so that the filter screen 16 can be conveniently installed and positioned; the upper surface and the lower surface of the filter screen box body 20 are screen surfaces 22 which can allow wet air to enter the filter screen box body 20; the two sides of the filter screen box body 20 are provided with slide rails 24, so that the filter screen 16 and the silica gel desiccant 15 can be conveniently replaced, and the filter screen 16 and the silica gel desiccant 15 can be recycled; one end of the filter screen box body 20 is also provided with a handle 23, which is convenient for the extraction of the filter screen box body 20.

Further, be equipped with between the bottom of base 19 and the drying chamber 8 bottom and hold the recess of filter screen box body 20, there is the guide rail to be connected between filter screen box body 20 and the recess, specifically as shown in the figure, one side of base 19 has been seted up and has been held the recess of filter screen box body 20, the recess is located drying chamber 8 with between the base 19, one side of base 19 is provided with and runs through the recess of base 19, the recess is located drying chamber 8 with between the base 19 for filter screen box body 20 can the guide rail removal in the recess.

Further, an air duct 14 is arranged between the bottom of the drying chamber 8 and the bottom of the base 19 and between one side of the drying chamber 8 and one side of the base 19, a high-temperature blower 9 is arranged in the air duct 14, and the high-temperature blower 9 is installed in the air duct 14 and has a flow guiding effect on the processed wet air in the air duct 14.

Further, one end of the base 19 is provided with the electric gate valve 13, and specifically, one end of the bottom of the base 19 is provided with the electric gate valve 13.

Further, a temperature measuring instrument 3 and a moisture content measuring instrument 4 are provided on one side wall of the drying chamber 8, so that the magnetic field intensity of the electromagnet 18 is adjusted or the electric gate valve 13 is adjusted according to the readings of the temperature measuring instrument 3 and the moisture content measuring instrument 4.

Further, as shown in fig. 5, a control system is further arranged on the base 19, and the control system is connected with the transmission system, the microwave nozzle 5, the temperature measuring instrument 3 of the electric gate valve 13, the moisture content measuring instrument 4, the electromagnet 18 and the high-temperature blower 9, so that the operation of the transmission system, the microwave nozzle 5, the temperature measuring instrument 3 of the electric gate valve 13, the moisture content measuring instrument 4, the electromagnet 18 and the high-temperature blower 9 can be controlled through the control system. Therefore, the control system controls the electromagnet to generate an alternating magnetic field, and then controls the opening of the nozzle to generate microwaves to act on wet cloth, so that the wet cloth is dried. Further, the control system may adjust the magnetic field strength of the electromagnet 18 or adjust the electric gate valve 13 to discharge moisture or the like of the dried material, based on the readings in the temperature measuring instrument 3 and the moisture content measuring instrument 7.

The working principle is as follows: wet cloth enters the wet cloth inlet 2 from the high-temperature resistant belt 13, the fan 10 sucks cold air into the base 19 from the cold air inlet 11, the cold air is heated by the heat exchanger 7 to form hot air, and the hot air flows into the drying chamber 8 from the hot air diversion hole 6 and acts on the wet cloth to be dried by the hot air; meanwhile, the control system turns on the electromagnet 18 to generate an alternating magnetic field, opens the outlet of the nozzle 5 and performs microwave drying on the wet cloth; the wet air generated in the drying chamber 8 flows out from the wet air guide hole 17, impurities in the wet air are filtered through the filter screen 16, then the moisture in the wet air is dried through the silica gel drying agent 15, and the treated wet air is sucked into a hot air circulation through the high-temperature air blower 9. After the system is operated for a period of time, when the readings in the temperature measuring instrument 3 and the moisture content measuring instrument 4 are too high, the control system can be used for adjusting the magnetic field intensity in the electromagnet 18, and the control system can also be used for adjusting the switch of the electric gate valve 13 to directly exhaust the wet air so as to adjust the temperature of the drying chamber 8.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A microwave-assisted medium-temperature hot air impact drying device is characterized in that: the microwave drying device comprises a base (19), a drying chamber (8) arranged on the base (19) and a high-temperature resistant belt (1) which is arranged on the base (19) and penetrates through the drying chamber (8), wherein a plurality of hot air guide holes (6) are formed in the top of the drying chamber (8), heat exchangers (7) are arranged on the hot air guide holes (6), and microwave nozzles (5) which are arranged intermittently with the hot air guide holes (6) are arranged on one side, facing the high-temperature resistant belt (1), of the hot air guide holes (6); the bottom of drying chamber (8) has been seted up humid air water conservancy diversion hole (17), be provided with on humid air water conservancy diversion hole (17) with electromagnet (18) that humid air water conservancy diversion hole (17) intermittent type was arranged, filter screen box body (20) are installed to humid air water conservancy diversion hole (17) below.

2. The microwave-assisted medium-temperature hot air impingement drying device of claim 1, wherein: a cold air inlet (11) is formed in one end of the heat exchanger (7), and a fan (10) for sucking cold air into the base (19) from the cold air inlet is arranged in the cold air inlet (11).

3. The microwave-assisted medium-temperature hot air impingement drying device of claim 1, wherein: one end of the drying chamber (8) and one end of the high-temperature resistant belt (1) are provided with a wet cloth inlet (2), and the other end of the drying chamber is provided with a cloth outlet (12).

4. The microwave-assisted medium-temperature hot air impingement drying device of claim 1, wherein: and a temperature measuring instrument (3) and a moisture content measuring instrument (4) are arranged on one side wall of the drying chamber (8).

5. The microwave-assisted medium-temperature hot air impingement drying device of claim 1, wherein: filter screen box body (20) are in including setting up gluey drier (15) in filter screen box body (20) and setting are in filter screen (16) on filter screen box body (20), wherein, filter screen (16) periphery has sealed the pad, filter screen (16) are fixed through card strip (21) on the filter screen box body (20).

6. The microwave-assisted medium-temperature hot air impingement drying device according to claim 5, characterized in that: be equipped with between the bottom of base (19) and drying chamber (8) bottom and hold the recess of filter screen box body (20), there is the guide rail to be connected between filter screen box body (20) and the recess.

7. The microwave-assisted medium-temperature hot air impingement drying device of claim 1, wherein: an air duct (14) is arranged between the bottom of the drying chamber (8) and the bottom of the base (19) and between one side of the drying chamber (8) and one side of the base (19), and a high-temperature air blower (9) is arranged in the air duct (14).

8. The microwave-assisted medium-temperature hot air impingement drying device of claim 1, wherein: one end of the base (19) is provided with an electric gate valve (13).

9. The microwave-assisted medium-temperature hot air impingement drying device according to claim 4, characterized in that: the microwave spraying device is characterized in that a transmission system and a control system are arranged on the base (19), and the control system is connected with the transmission system, the microwave nozzle (5), the electric gate valve (13), the temperature measuring instrument (3), the moisture content measuring instrument (4), the electromagnet (18) and the high-temperature air blower (9).

10. The microwave-assisted medium-temperature hot air impingement drying device of claim 9, wherein: the transmission system comprises a motor, a belt pulley and a coupling, wherein the motor drives the high-temperature-resistant belt (1) to rotate.