CN101726165B - Device for drying fabric and method - Google Patents
Device for drying fabric and method Download PDFInfo
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- CN101726165B CN101726165B CN200810224975.7A CN200810224975A CN101726165B CN 101726165 B CN101726165 B CN 101726165B CN 200810224975 A CN200810224975 A CN 200810224975A CN 101726165 B CN101726165 B CN 101726165B
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- 238000001035 drying Methods 0.000 title claims abstract description 119
- 239000004744 fabric Substances 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 61
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009970 yarn dyeing Methods 0.000 abstract description 4
- 230000007704 transition Effects 0.000 description 13
- 238000004043 dyeing Methods 0.000 description 5
- 230000005672 electromagnetic field Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The invention discloses a device for drying fabric and a method, belonging to the field of drying the fabric. The device comprises a roller way, a drying support pan, a box body part, an on-line detection system and a PLC control system. The box body part comprises a plurality of heating boxes, the drying power of which are gradually reduced; the heating boxes are communicated with each other; and the inner walls of the heating boxes are provided with magnetic control pipes. The method comprises the steps of: leading the fabric to sequentially pass through the heating boxes with the function of microwave drying, and the drying power of the heating boxes are gradually reduced according to the pass sequence of the fabric. By adopting the technology of microwave drying, the device has high efficiency; is even, energy-saving and environment-friendly; can controllably dry the fabric; has high automation; can gradually and continuously dry the fabric by leading the fabric to sequentially pass through the heating boxes, the drying power of which are gradually reduced; leads the dried fabric to be evenly dried and have good quality; and is suitable for an unmanned automatic yarn dyeing and finishing production line.
Description
Technical Field
The invention relates to the field of fabric drying, in particular to a fabric drying device and method.
Background
In recent years, the dyeing and finishing industry in China develops rapidly. The drying of the fabric is a very important link in the printing and dyeing process, and directly influences the product characteristics such as yarn color, yarn strength, yarn bulkiness and the like and the product quality. Therefore, the fabric drying technology is becoming a research hotspot in the printing and dyeing industry.
In the prior art, two drying methods are mainly adopted for drying fabrics: firstly, hot air drying is carried out, and strong hot air is generated by a high-temperature furnace to dry the fabric; and secondly, radio frequency drying, wherein water molecules are utilized to do violent movement under the action of a high-frequency electric field, so that the water molecules are evaporated from the yarn, and the aim of drying is fulfilled.
In the course of implementing the present invention, the inventors found that the above prior art has at least the following disadvantages:
the hot air drying process has the defects of high energy consumption, low heat energy utilization rate, low production efficiency, poor drying quality and the like; the radio frequency drying has the defects of high cost, short service life and the like.
Disclosure of Invention
The invention aims to provide a fabric drying device and method in order to solve the problems of low production efficiency, high energy consumption, poor drying quality, short service life and the like of the conventional fabric drying device and method. The technical scheme is as follows:
a fabric drying device comprises a roller way, a drying tray, a box body part, an online detection system and a PLC control system;
the case member includes: the oven comprises a plurality of heating boxes with gradually decreased drying power, wherein the heating boxes are communicated with one another, and magnetrons are arranged on the inner walls of the heating boxes;
the roller way transversely penetrates through the box body part and is positioned above the bottom of the box body part;
the drying tray is placed on the roller way;
the online detection system is arranged on the inner wall of the box body part;
the PLC control system is installed on the outer side of the box body part.
The fabric drying method using the drying device comprises the following steps:
the method comprises the following steps of sequentially passing the fabrics through a plurality of heating box bodies for drying by microwaves, wherein the drying power of the heating box bodies is gradually reduced one by one according to the passing sequence of the fabrics.
The technical scheme provided by the invention has the beneficial effects that:
because of the high frequency of the microwave electromagnetic field, polar molecules do high-frequency vibration in the material, and generate a large amount of heat in unit time, therefore, the adoption of the microwave drying technology can dry the fabric efficiently, uniformly, energy-saving, environment-friendly and controllably, the degree of automation is high, and the fabric can be dried step by step and continuously through the heating box body with gradually reduced drying power one by one, the dried fabric is dried uniformly and has excellent quality, and the method is suitable for the unmanned automatic yarn dyeing and finishing production line.
Drawings
FIG. 1 is an external view of the fabric drying appliance of the present invention;
FIG. 2 is a top cross-sectional view of the fabric drying appliance of the present invention;
FIG. 3 is a schematic view of the internal structure of the heating chamber of the present invention;
figure 4 is a side view of the box section of the present invention.
In the figure:
1-1, 1-2, 1-3-internal roller table 2-drying tray 3-heating box inner wall
4-PLC control module 5-temperature sensor 6-magnetron
7-waveguide 8-microwave stirrer 9-humidity sensor
10-moisture removal device 11-1, 11-2-external roller table
12-1, 12-2-outer layer leakage-proof door 13-buffer box 14-heating box
15-1, 15-2-inner layer leakage-proof door 16-transition box 17-buffer box
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
The embodiment of the invention provides a fabric drying device which mainly comprises a roller way, a drying tray, a box body part, an online detection system and a PLC control system.
The roller way transversely penetrates through the interior of the box body part, is positioned above the bottom of the box body part and is parallel to the bottom of the box body part; the drying tray is placed on the roller way, and passes through the box part along with the rolling of roller way, and online detection system installs inside the box part, and the inside relevant data of real-time detection box part to give PLC control system with relevant data feedback, PLC control system is located the outside of box part, can manual operation or establish to automatic operation.
The respective components of the drying apparatus are described in detail below:
(I) roller way
According to the physical structure characteristics of the roller way, the roller way can bear heavy yarns to wait for drying the fabric.
The roller way comprises an external roller way and an internal roller way;
the external roller ways are positioned at the outer sides of the two ends of the box body part and are used for driving the drying tray to enter and exit the box body part at a higher speed; the outer sides of the two ends of the box body part are respectively provided with an external roller way;
the inner roller way is positioned below the inner part of the box body part, is adjacent to the outer roller way, is separated from the outer roller way by an outer leakage-proof door and is used for driving the drying tray to pass through the box body part.
(II) case body component
Referring to fig. 1, the case member mainly includes:
buffer boxes 13 and 17, N heating boxes 14, and (N +1) transition boxes 16.
Wherein, the buffer boxes 13 and 17 are respectively positioned at two ends of the box body part;
the number of heating tanks 14 and transition tanks 16 may be determined as appropriate.
Specifically, the method comprises the following steps:
(1) buffer box body
The microwave oven is mainly used for preventing microwave leakage and specifically comprises the following components:
a) an outer layer leakage-proof door 12-1 which is arranged at the outer side of the buffer box body 13, separates the inner roller way from the outer roller way 11-1, and automatically opens and closes according to a proximity switch, so that the drying tray can automatically enter the buffer box body 13; mainly used for preventing the leakage of the microwave.
Or,
the outer-layer leakage-proof door 12-2 is arranged on the outer side of the buffer box body 17, separates the inner roller way from the outer roller way 11-2, and is automatically opened and closed according to the proximity switch, so that the drying tray can automatically leave the buffer box body 17; the method is mainly used for preventing and controlling microwave leakage.
b) The dehumidifying device 10 is installed on the top of the buffer box 13 (or 17) and is mainly used for discharging steam rapidly and ensuring smooth drying.
(2) Transition box 16
The method is divided into two types: one is a leakage-proof transition box body positioned between the buffer box body 13 (or 17) and the heating box body 14; one is a cooling transition box located between the heating boxes 14;
referring to fig. 2, the leak-proof transition box is mainly used for preventing microwave leakage, and specifically includes:
the inner-layer leakage-proof door 15-1 positioned in the middle of the leakage-proof transition box body is automatically opened and closed according to the proximity switch, so that the drying tray can automatically enter the heating box body 14, and the leakage of microwaves is effectively prevented; the inner layer leakage preventing door 15-1 and the outer layer leakage preventing door 12-1 cannot be opened at the same time.
Or,
the inner-layer leakage-proof door 15-2) positioned in the middle of the leakage-proof transition box body is automatically opened and closed according to the proximity switch, so that the drying tray can automatically enter the buffer box body 17, and the leakage of microwaves is effectively prevented; the inner layer leakage preventing door 15-2 and the outer layer leakage preventing door 12-2 cannot be opened at the same time.
Here, it is to be emphasized that: the inner layer leakage-proof door can be directly arranged between the buffer box body and the heating box body, and the leakage-proof transition box body can not be included.
The cooling transition box body is positioned between the two heating box bodies 14, plays a role in temporarily cooling the fabric, and avoids the phenomena of overbaking of the fabric and the like caused by long-time baking.
The shaded part in FIG. 2 is a fast roller way, which comprises outer roller ways 11-1 and 11-2 and inner roller ways 1-1 and 1-3; the inner roller way 1-2 is a slow roller way. The speed of the fast roller way is consistent, the speed of the slow roller way is consistent, and the specific speed is determined by the actually dried fabric.
(3) Heating cabinet 14
The drying device is mainly used for drying fabrics, and referring to fig. 3, the drying device specifically comprises:
a) a magnetron 6 mounted on the inner wall 3 of the heating box body and mainly used for generating microwave;
b) the waveguide tube 7 is connected with the magnetron 6 and is mainly used for transmitting the generated microwaves into the heating box body;
c) the microwave stirrer 8 is arranged on the upper part of the inner wall 3 of the heating box body and is mainly used for enabling a microwave electromagnetic field to be more uniform in the heating box body and playing a better effect on drying fabrics;
d) the dehumidifying device 10 is arranged at the top of the heating box body 14 and is mainly used for rapidly discharging steam and ensuring the smooth drying;
when a plurality of heating boxes are arranged, the PLC control system can be used for setting the maximum drying power of the first heating box through which the drying tray 2 passes; the drying power of the second heating box body is lower than that of the first heating box body, and by analogy, the drying power is reduced one by one according to the passing sequence of the drying trays 2.
For example, the drying power of each heating box is decreased according to a certain proportion, and the proportion can be determined according to the specific fabric to be dried;
or, the drying power of each heating box body is decreased progressively according to a certain calculation formula, and the calculation formula can be obtained by summarizing and inducing according to years of experience by a person skilled in the art; and so on.
The parameters of the heating box such as drying power, drying time and the like are determined by the specific fabric to be dried.
(III) on-line detection system
Still referring to fig. 3, it mainly includes:
the temperature sensor 5 is arranged on the inner wall 3 of the heating box body and is mainly used for detecting the temperature in the heating box body in real time and sending the detected temperature to the PLC control system;
the humidity sensor 9 is arranged at an inlet of the dehumidifying device 10, and is mainly used for detecting the humidity in the box body in real time and sending the detected humidity to the PLC control system;
the proximity switch is arranged on the leakage-proof door (the outer layer and the inner layer) and is mainly used for detecting the state of the leakage-proof door in real time;
and the rotating speed sensor is arranged on the axial outer side of the internal roller way 1-2 and is mainly used for detecting the rotating speed of the internal roller way 1-2 in real time and sending the detected rotating speed to the PLC control system.
(IV) PLC control system
Referring to fig. 4, it mainly includes:
the PLC control module 4 is arranged at the outer side of the box body part, is convenient for manual operation, can also be set to be automatic operation, receives real-time data sent by each sensor in the online detection system, and adjusts parameters such as drying time, drying power, roller way rotating speed, air intake and the like according to the received real-time data;
for example, when the temperature received by the PLC control system is higher than the desired temperature value, the drying time may be shortened, or the drying power may be reduced, or the intake air may be increased;
when the humidity received by the PLC control system is higher than the expected humidity value, the drying time can be increased, the drying power can be increased, or the air inlet quantity can be reduced.
The specific implementation process can be realized by programming the PLC.
The working process of the whole fabric drying device is described as follows:
step 1: the external roller way 11-1 quickly transmits the drying tray 2 for placing the fabrics to be dried to the outer-layer leakage-proof door 12-1, the proximity switch senses the proximity of the drying tray 2, the door 12-1 is opened, the drying tray 2 enters the internal roller way 1-1, the internal roller way 1-1 is a quick roller way, and the drying tray 2 quickly passes through the buffer box body 13;
step 2: when the proximity switch senses that the drying tray 2 leaves, the door 12-1 is closed rapidly, the proximity switch on the inner-layer leakage-proof door 15-1 senses that the drying tray 2 approaches, the door 15-1 is opened, and the drying tray 2 enters the heating box body 14;
and step 3: the proximity switch on the door 15-1 senses the departure of the drying tray 2 and is rapidly closed, under the control of the PLC control module 4, the magnetron 6 in the heating box body 14 starts to work, meanwhile, microwaves are conveyed to the heating box body 14 through the waveguide tube 7 to start microwave drying on fabrics, the stirrer 8 enables a microwave electromagnetic field to be more uniform in the box body, and the moisture exhausting device 10 exhausts a large amount of steam generated in the drying process out of the box body part. The temperature sensor 5 and the humidity sensor 9 dynamically detect the temperature and the humidity in the heating box body 14; the rotation speed sensor dynamically detects the rotation speed of the internal roller way 1-2 and sends detected real-time data to the PLC control system, and the PLC control system adjusts the drying time, the drying power, the roller way rotation speed and the air intake according to the real-time data to strive to achieve the best drying effect;
cooling transition boxes are arranged among the heating boxes 14, and the speed of the drying tray 2 entering the cooling transition boxes is unchanged, so that the temporary cooling effect on the fabric is achieved;
the drying power of each heating cabinet 14 is decreased one by one in the order of passing the drying trays 2.
And 4, step 4: after the drying process is finished, the inner layer anti-leakage door 15-2 is automatically opened, and the drying tray 2 enters the buffer box body 17 through the inner layer anti-leakage door 15-2;
and 5: the door 15-2 is closed rapidly, the outer layer leakage-proof door 12-2 is opened rapidly, the drying tray 2 passes through the outer layer leakage-proof door 12-2 rapidly, and is transferred to the outer roller way 11-2 from the inner roller way 1-3, and the fabric is taken out of the drying device.
The fabric drying device provided by the embodiment of the invention is mainly applied to drying of fabrics such as yarns in dyeing and finishing industries, and the like, because of the high frequency of a microwave electromagnetic field, polar molecules do high-frequency vibration in materials, and a large amount of heat is generated in unit time, the fabric can be dried efficiently, uniformly, energy-saving, environment-friendly and controllably by adopting a microwave drying technology, the automation degree is high, the fabric can be dried step by step and continuously by a heating box body with gradually reduced power, the dried fabric is dried uniformly and has excellent quality, and the device is suitable for an unmanned automatic yarn dyeing and finishing production line.
Example 2
The embodiment of the invention provides a fabric drying method using the fabric drying device in the embodiment 1, which comprises the following steps:
the fabric is sequentially passed through a plurality of heating boxes for drying by microwave, and the drying power of the heating boxes is gradually reduced according to the passing sequence of the fabric.
Further, the method further comprises:
the fabric passes through the cooling transition box body in the process of entering from one heating box body to the other heating box body.
Further, the method further comprises:
detecting relevant data, wherein the relevant data comprises: temperature, humidity and roller bed velocity;
and according to the related data, adjusting the drying time, the drying power, the speed and the air intake of the roller way.
Further, the method further comprises:
the microwave stirring technology is applied to ensure that the microwave drying is more uniform.
The fabric drying method provided by the embodiment of the invention is mainly applied to drying of fabrics such as yarns in dyeing and finishing industries, and the like, because of the high frequency of a microwave electromagnetic field, polar molecules do high-frequency vibration in materials, and a large amount of heat is generated in unit time, the fabric can be dried efficiently, uniformly, energy-saving, environment-friendly and controllably by adopting a microwave drying technology, the automation degree is high, the fabric can be dried step by step and continuously by a heating box body with gradually reduced power, the dried fabric is dried uniformly and has excellent quality, and the method is suitable for an unmanned automatic yarn dyeing and finishing production line.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A fabric drying device is characterized by comprising a roller way, a drying tray, a box body part, an online detection system and a PLC control system;
the case member includes: the oven comprises a plurality of heating boxes with gradually decreased drying power, wherein the heating boxes are communicated with one another, and magnetrons are arranged on the inner walls of the heating boxes; the magnetron is connected with the waveguide tube;
the roller way transversely penetrates through the box body part and is positioned above the bottom of the box body part, and the roller way comprises an inner roller way and an outer roller way;
the drying tray is placed on the roller way;
the online detection system is arranged on the inner wall of the box body part;
the PLC control system is arranged on the outer side of the box body part;
the case member further includes: and the cooling box body is positioned between the heating box bodies and used for cooling the fabric.
2. The fabric drying apparatus of claim 1, wherein said cabinet member further comprises:
and the buffer box body is positioned at two ends of the box body part and is connected with the heating box body, and is used for preventing the microwave from being leaked.
3. The fabric drying apparatus of claim 2, wherein an outer leakage preventing door for preventing microwave leakage is installed outside the buffer cabinet; and an inner-layer leakage-proof door for preventing microwave leakage is arranged between the buffer box body and the heating box body.
4. The fabric drying apparatus of claim 3, wherein the heating cabinet further comprises:
a microwave stirrer mounted above the inner wall of the heating box body;
and the moisture exhausting device is arranged at the top of the box body part.
5. The fabric drying apparatus of claim 4, wherein the in-line detection system comprises:
a temperature sensor mounted on an inner wall of the heating box;
a humidity sensor installed at an inlet of the dehumidifying apparatus;
proximity switches installed on the outer layer leakage-proof door and the inner layer leakage-proof door;
and the rotating speed sensor is arranged on the axial outer side of the roller way.
6. A method of drying fabric as used in the apparatus of claim 1, comprising:
the method comprises the following steps of sequentially passing the fabrics through a plurality of heating box bodies for drying by microwaves, wherein the drying power of the heating box bodies is gradually reduced one by one according to the passing sequence of the fabrics.
7. The fabric drying method of claim 6, further comprising:
the fabric passes through the cooling boxes during the process of entering from one heating box to the other.
8. The fabric drying method of claim 6, further comprising:
detecting relevant data, the relevant data comprising: temperature, humidity and roller bed velocity;
and according to the related data, adjusting the drying time, the drying power, the speed and the air intake of the roller way.
9. The fabric drying method of claim 6, further comprising:
the microwave stirring technology is applied to ensure that the microwave drying is more uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810224975.7A CN101726165B (en) | 2008-10-29 | 2008-10-29 | Device for drying fabric and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810224975.7A CN101726165B (en) | 2008-10-29 | 2008-10-29 | Device for drying fabric and method |
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| CN101726165A CN101726165A (en) | 2010-06-09 |
| CN101726165B true CN101726165B (en) | 2014-11-19 |
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| CN200810224975.7A Active CN101726165B (en) | 2008-10-29 | 2008-10-29 | Device for drying fabric and method |
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| CN2932256Y (en) * | 2006-07-28 | 2007-08-08 | 佛山市德科机电设备有限公司 | Microwave continuously drying production line |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201407882Y (en) * | 2008-12-23 | 2010-02-17 | 机械科学研究总院先进制造技术研究中心 | Tunnel-type microwave drying machine capable of drying continuously |
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- 2008-10-29 CN CN200810224975.7A patent/CN101726165B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5467694A (en) * | 1994-04-11 | 1995-11-21 | Meiji Seika Kaisha, Ltd. | Apparatus for controlling water content of fried food using microwave heating |
| CN2386406Y (en) * | 1999-07-29 | 2000-07-05 | 张志法 | Tunnel microwave glass fibre drier |
| CN2932256Y (en) * | 2006-07-28 | 2007-08-08 | 佛山市德科机电设备有限公司 | Microwave continuously drying production line |
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| CN101726165A (en) | 2010-06-09 |
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