A continuous production device and production method for fried snowflake fabric

Abstract

The present invention provides a continuous production device and a production method for fried snowflake fabric. The device includes a loading device, a pressurizing device, and an air outlet device; the loading device includes a feeding trough, the bottom surface of the feeding trough is provided with a detachable discharge bottom plate, and the discharge bottom plate is provided with a plurality of discharge ports; the pressurizing device is connected to the feeding trough and is used to pass gas into the feeding trough to provide pressure; the air outlet device is arranged below the discharge bottom plate. The present invention also provides a production method implemented by using the above-mentioned production device. Compared with the traditional fried snowflake process, the present invention does not use any medium such as pumice, and no solid waste is generated during the production process, which is more environmentally friendly. The present invention adopts continuous production, and the snowflake effect is achieved by controlling the concentration of the stripping auxiliary agent, the discharge speed, the height, and the wind direction, so that the obtained flower pattern is more natural and has high repeatability. Compared with the foam treatment, the droplet permeability is high, the stripping effect is improved, and the double-sided snowflake effect can be achieved.

Description

Technical Field

[0001] The invention relates to a continuous production device and a production method for fried snowflake fabric, belonging to the technical field of fabric preparation. Background Art

[0002] Stir-fried snowflakes are a special treatment process that can give fabrics a large area of ​​bleaching effect. The traditional process of stir-fried snowflakes mainly uses pumice soaked in potassium permanganate, and then through grinding in the equipment, potassium permanganate is used to oxidize the dye at the friction point, resulting in irregular fading effect.

[0003] However, pumice stones can easily wear clothes and cause serious waste of stones. Therefore, in the prior art, the decolorizing effect is achieved by applying foam treatment. However, it is difficult to accurately control the amount of foam applied, and the foam has poor permeability, so only a single-sided treatment effect can be obtained. Summary of the invention

[0004] In order to solve the above technical problems, the purpose of the present invention is to provide a continuous production device and production method of fried snowflake fabrics, which can simulate raindrops dripping on clothes to show a wetting effect, and obtain a decolorization effect similar to snowflakes. The technical solution of the present invention can realize continuous production, does not use a medium, is environmentally friendly, has no solid waste emissions, and has a simple process flow.

[0005] In order to achieve the above-mentioned object, the present invention provides a continuous production device for stir-fried snowflake toppings, wherein the device comprises a loading device, a pressurizing device, and an air outlet device;

[0006] The charging equipment comprises a feeding trough, the bottom surface of which is provided with a detachable discharge bottom plate, and the discharge bottom plate is provided with a plurality of discharge ports;

[0007] The pressurizing device is in communication with the feeding tank and is used to introduce gas into the feeding tank to provide pressure;

[0008] The air outlet device is arranged below the discharge bottom plate.

[0009] According to a specific embodiment of the present invention, preferably, the device further comprises a frame and a workbench, the workbench is fixed on the frame, and the loading equipment and the pressurizing equipment are arranged on the workbench.

[0010] According to a specific embodiment of the present invention, preferably, the device further comprises a lifting device, and the lifting device can drive the workbench to lift and lower. More preferably, the lifting distance range is 1-50 cm. The lifting device can be in the form of an air pump driving two cylinders to lift and lower the workbench as a whole.

[0011] According to a specific embodiment of the present invention, a detachable discharge bottom plate is provided on the bottom surface of the feeding trough, which can meet the requirements of different shapes and specifications, so as to achieve dripping, simulate raindrops dripping on clothes, and present a snowflake effect. Preferably, the shape of the opening includes one or a combination of circular, triangular, and square.

[0012] According to a specific embodiment of the present invention, preferably, at least two movable baffles are provided in the feeding trough, which can be adjusted according to the width of the fabric to achieve the processing of fabrics of different widths.

[0013] According to a specific embodiment of the present invention, preferably, the gas introduced into the feeding tank can be provided by a pressurizing device or by an additional compressed air device.

[0014] According to a specific embodiment of the present invention, preferably, the pressurizing device is an air pump.

[0015] According to a specific embodiment of the present invention, preferably, the air outlet device is a rectangular strip structure.

[0016] According to a specific embodiment of the present invention, preferably, the shape of the air outlet of the air outlet device is variable and the wind speed is adjustable, and regular and irregular wind direction changes can be achieved. More preferably, the wind speed adjustment is achieved by controlling the air pressure at 0.1-8MPa through an air pump, and can be controlled according to the wind force level. The change of wind direction can be achieved by adding a movable partition (guide plate) inside the air outlet device with a rectangular strip structure, and the wind direction changes with the movement and direction change of the partition. In the continuous production device of fried snowflake fabric of the present invention, the gas of the feeding trough and the gas of the air outlet device can be provided by the same air pump.

[0017] According to a specific embodiment of the present invention, during use, the liquid in the feeding tank enters the space below the feeding tank through the discharge port under gas pressure, is blown away by the gas from the air outlet device, and falls onto the fabric.

[0018] According to a specific embodiment of the present invention, preferably, the entire rear end of the frame can be connected to a drying device, and a cloth rolling device can be arranged behind the drying device to realize material collection.

[0019] According to a specific embodiment of the present invention, preferably, the frame can be disassembled as a whole and can be moved as a whole to match drying equipment of different models (for example, different widths).

[0020] The present invention also provides a continuous production method for fried snowflake fabric, wherein the production method is carried out by using the above-mentioned continuous production device;

[0021] The production method comprises the following steps:

[0022] Adding a stripping auxiliary agent solution into the feeding tank, preferably, the amount of the stripping auxiliary agent added is 0.5 g / L-40 g / L, based on the volume of the stripping auxiliary agent solution;

[0023] Applying pressure to the feeding tank by the pressurizing device so that the stripping auxiliary agent solution passes through the discharge port on the discharge bottom plate to become droplets and enter the space below the feeding tank, preferably, the pressure is 0.1-8MPa;

[0024] The wind output by the wind outlet device applies the droplets to the fabric to perform the color stripping treatment; preferably, the wind speed is 0.1-10m / s;

[0025] The stripped fabric is washed and neutralized, softened and shaped to obtain the fried snowflake fabric.

[0026] Traditional fried snowflake products all use pumice as a medium, which discharges a large amount of pumice powder during the production process and easily damages clothes. The production method of the present invention adopts a medium-free continuous color-frying process, which is environmentally friendly and has a simple post-processing process.

[0027] According to a specific embodiment of the present invention, preferably, the amount of the stripping auxiliary agent added is 5-20 g / L.

[0028] According to a specific embodiment of the present invention, preferably, the stripping auxiliary agent is a combination of one or more of potassium permanganate, hydrogen peroxide, sodium hypochlorite and the like.

[0029] According to a specific embodiment of the present invention, the discharge speed and effect of the bottom plate can be controlled by controlling the pressure in the feeding trough; preferably, the pressure is 0.5-7 MPa.

[0030] According to a specific embodiment of the present invention, preferably, the wind speed is 0.3-9 m / s, more preferably 0.5-8 m / s.

[0031] According to a specific embodiment of the present invention, preferably, the wind direction is regularly forward, downward or obliquely downward, or a combination of directions with irregular changes. By adopting different wind directions, the shape, size and halo effect of the raindrop spots produced on the fabric can be controlled.

[0032] According to a specific embodiment of the present invention, preferably, the production method further comprises the step of drying the stripped fabric; more preferably, the drying temperature is 80-170°C.

[0033] According to a specific embodiment of the present invention, preferably, after drying, the material is collected by a cloth rolling device, wherein the running speed of the cloth rolling device is 5-40 m / min.

[0034] Compared with the prior art, the technical solution of the present invention has the following advantages:

[0035] 1. Compared with the traditional snowflake frying process, the present invention does not use any medium such as pumice, and does not generate solid waste emissions during the production process, which is more environmentally friendly.

[0036] 2. The present invention adopts continuous production and realizes the snowflake effect by controlling the concentration of the color stripping auxiliary agent, the discharge speed, the height and the wind direction. The obtained flower pattern is more natural and has high repeatability.

[0037] 3. Compared with foam treatment, the droplet permeability is high, which improves the stripping effect and can achieve a double-sided snowflake effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 This is a schematic diagram of the structure of the production device provided in Example 1.

[0039] Figure 2A-2C They are respectively the front view, side view and top view of the partial structure of the production device provided in Example 1.

[0040] Figure 3 This is a picture of the appearance effect of the fried snowflake fabric obtained in Example 1.

[0041] Figure 4 This is a picture of the appearance effect of the fried snowflake fabric obtained in Comparative Example 1.

[0042] Description of main figures:

[0043] The first cylinder 1, the second cylinder 2, the feeding trough 3, the first connecting piece 4, the second connecting piece 5, the workbench 6, the air outlet device 7, the material outlet 8, the frame 9, the cloth guide roller 10, the hot air blower 11, the hair dryer 12, the flat net 13, and the drying chamber 14. DETAILED DESCRIPTION

[0044] In order to have a clearer understanding of the technical features, purposes and beneficial effects of the present invention, the technical solution of the present invention is now described in detail below, but it should not be construed as limiting the applicable scope of the present invention.

[0045] Example 1

[0046] This embodiment provides a continuous production device for fried snowflake fabric, and its structure is as follows: Figure 1 As shown. The production device includes: a frame 9, a workbench 6, a feeding tank 3, a first air pump, an air outlet device 7, and a lifting device; wherein:

[0047] The workbench 6 is fixed on the frame, and the feed tank 3 and the first air pump (not shown in the figure) are arranged on the workbench 6. Figure 2A As shown;

[0048] The bottom surface of the feeding trough 3 is provided with a detachable discharge bottom plate, and the discharge bottom plate is provided with a plurality of discharge ports 8 (such as Figure 2C At least two movable baffles are provided in the feeding tank 3;

[0049] The first air pump is connected to the feeding tank 3 and is used to introduce gas into the feeding tank 3 to provide pressure;

[0050] The lifting device includes a second air pump (not shown in the figure), a first air cylinder 1, and a second air cylinder 2. The first air cylinder 1 and the second air cylinder 2 are connected to the workbench 6 through a first connecting member 4 and a second connecting member 5, respectively. The second air pump is connected to the first air cylinder 1 and the second air cylinder 2, respectively, and is used to supply air for the lifting of the two air cylinders. The lifting distance range is 1-50 cm.

[0051] The air outlet device 7 is arranged below the discharge bottom plate (such as Figure 2B As shown), so that droplets formed by the stripping auxiliary agent can enter therein.

[0052] The continuous production device is also equipped with fabric conveying equipment, drying equipment, and cloth rolling equipment; among which:

[0053] The fabric conveying device includes a plurality of fabric guide rollers 10 for guiding the fabrics processed in the space below the feeding trough 3 into the drying chamber 14;

[0054] The drying equipment includes a drying chamber 14, a plurality of hot air blowers 11, a plurality of hair dryers 12, and a plurality of flat nets 13;

[0055] The hot air blower 11 is disposed at the top of the drying chamber 14 and is used to input hot air into the drying chamber 14;

[0056] The hair dryer 12 is disposed on the top side and the bottom side of the drying chamber 14 and is used to blow air (natural wind) into the drying chamber 14;

[0057] The flat net 13 is arranged in layers inside the drying chamber 14, and the fabric input by the cloth guide roller 10 is spread on the flat net 13 for drying. During the drying process, the fabric can move forward along each layer of the flat net 13 at a certain speed to achieve continuous operation. The fabric that has completed drying leaves the bottom of the drying chamber 14 and enters the cloth rolling device, which can be a device commonly used for cloth rolling in the field.

[0058] This embodiment also provides a continuous production method for fried snowflake fabric, which uses the above-mentioned continuous production device to process 20S knitted plain dyed fabric, and specifically includes the following steps:

[0059] The 20S knitted plain dyed fabric was stripped on the above device according to the following process: the stripping auxiliary agent was potassium permanganate with a concentration of 10g / L, the opening shape of the discharge bottom plate was circular, the pressure of the feeding trough was controlled at 0.5MPa, the wind speed of the air outlet was controlled at 0.3m / s, the direction of the air outlet was parallel to the front, simulating soft wind, the cloth rolling speed was controlled at 8m / min, and the drying temperature was 100℃;

[0060] When the fabric moves forward, the stripping agent passes through the circular opening of the discharge bottom plate of the feeding trough under pressure to form droplets, which are wetted on the fabric under the action of wind force to form a wetting effect.

[0061] Through the above process control, during the running process of the fabric, the stripping agent regularly contacts the fabric to achieve penetration treatment; during the drying process, the stripping reaction of the fabric color is further achieved, making the stripping effect more complete, and obtaining the fabric after stripping treatment;

[0062] The fabric treated above was processed by a continuous washing machine, neutralized with soap detergent SN 0.1g / L and oxalic acid 1g / L for 10 minutes, and then fixed with a softener to obtain the final color-roasted fabric. Figure 3 shown.

[0063] Example 2

[0064] This embodiment also provides a continuous production method for fried snowflake fabric, which uses the above-mentioned continuous production device to process 20S knitted plain dyed fabric, and specifically includes the following steps:

[0065] The 20S knitted plain dyed fabric was stripped on the above device according to the following process: the stripping auxiliary agent was potassium permanganate with a concentration of 20g / L, the opening shape of the discharge bottom plate was circular, the pressure of the feeding trough was controlled to 1.0MPa, the wind speed of the air outlet was controlled to 2.0m / s, the direction of the air outlet was parallel to the front, simulating a light breeze, the cloth rolling speed was controlled to 15m / min, and the drying temperature was 100℃;

[0066] Through the above process control, during the running process of the fabric, the stripping agent regularly contacts the fabric to achieve penetration treatment; during the drying process, the stripping reaction of the fabric color is further achieved, making the stripping effect more complete, and obtaining the fabric after stripping treatment;

[0067] The fabric treated as above was processed by a continuous washing machine, and neutralized by using soaping agent SN 0.1g / L and oxalic acid 1g / L for 10 minutes, and then processed by softening agent to obtain the final color-fried fabric.

[0068] Example 3

[0069] This embodiment also provides a continuous production method for fried snowflake fabric, which uses the above-mentioned continuous production device 5 to process 20S knitted plain dyed fabric, and specifically includes the following steps:

[0070] The 20S knitted plain dyed fabric was stripped on the above device according to the following process: the stripping auxiliary agent was potassium permanganate with a concentration of 20g / L, the opening shape of the discharge bottom plate was circular, the pressure of the feeding trough was controlled to 3.0MPa, the wind speed of the air outlet was controlled to 4.0m / s, the direction of the air outlet was obliquely downward to simulate a breeze, the cloth rolling speed was controlled to 20m / min, and the drying temperature was 100℃;

[0071] 0Through the above process control, during the running process of the fabric, the stripping agent regularly contacts the fabric to achieve penetration treatment; during the drying process, the stripping reaction of the fabric color is further achieved, making the stripping effect more complete, and obtaining the fabric that has been stripped;

[0072] The fabric treated as above was processed by a continuous washing machine, and neutralized by using soaping agent SN 0.1g / L and oxalic acid 1g / L for 10 minutes, and then processed by softening agent to obtain the final color-fried fabric.

[0073] 5 Comparative Example 1

[0074] This comparative example uses traditional technology to stir-fry snowflakes on 20S knitted plain dyed fabrics, specifically on traditional stir-frying equipment (horizontal washing machine), wherein:

[0075] The color frying medium is 1kg of sponge particles, and the stripping auxiliary agent is potassium permanganate, with a concentration of 20g / L, and the dosage is 3% of the weight of the color frying medium, and the color frying time is 5min;

[0076] 0 The fabric treated above was neutralized with soap detergent SN 0.1g / L and oxalic acid 1g / L for 10 minutes, and then washed with softener to obtain the final color-roasted fabric, such as Figure 4 shown.

[0077] By comparison, it is found that the production device and production method of the present invention can realize continuous frying of snowflakes with uniform coloring effect, while the traditional frying of snowflakes is intermittent, which is prone to large-area color stripping and uneven appearance.

Claims

1. A pumice-free continuous production method for fried snowflake fabric, wherein: The production method adopts a continuous production device without pumice stone for stir-fried snowflake fabric, wherein the device comprises a loading device, a pressurizing device, and an air outlet device; The charging equipment comprises a feeding trough, the bottom surface of which is provided with a detachable discharge bottom plate, and the discharge bottom plate is provided with a plurality of discharge ports; The pressurizing device is in communication with the feeding tank and is used to introduce gas into the feeding tank to provide pressure; The air outlet device is arranged below the discharge bottom plate, wherein, during use, the liquid in the feeding tank is transformed into liquid droplets through the discharge port under the gas pressure and enters the space below the feeding tank, and is blown away by the gas from the air outlet device and falls onto the fabric; The production method comprises the following steps: Adding a stripping auxiliary agent solution into the feeding tank; Applying pressure to the feeding tank by the pressurizing device so that the stripping auxiliary agent solution passes through the discharge port into droplets and enters the space below the feeding tank; The wind output by the wind outlet device applies the droplets to the fabric to perform the color stripping treatment; The stripped fabric is washed and neutralized, softened and shaped to obtain the fried snowflake fabric.

2. The production method according to claim 1, wherein The addition amount of the stripping auxiliary agent is 0.5g / L-40g / L.

3. The production method according to claim 2, wherein: The amount of the stripping auxiliary agent added is 5-20 g / L.

4. The production method according to claim 2 or 3, wherein: The stripping auxiliary agent is a combination of one or more of potassium permanganate, sodium hypochlorite and sodium hypochlorite.

5. The production method according to claim 1, wherein The pressure applied to the feeding tank by the pressurizing device is 0.1-8 MPa.

6. The production method according to claim 5, wherein: The pressure is 0.5-7MPa.

7. The production method according to claim 1, wherein: The wind speed output by the wind outlet device is 0.1-10m / s.

8. The production method according to claim 7, wherein: The wind speed output by the wind outlet device is 0.3-9m / s.

9. The production method according to claim 8, wherein: The wind speed output by the wind outlet device is 0.5-8m / s.

10. The production method according to claim 1, wherein: The wind output by the air outlet device has an outlet direction that is regularly forward, downward or obliquely downward, or a combination of directions that are irregularly changed.

11. The production method according to claim 1, wherein: The production method also includes the step of drying the stripped fabric.

12. The production method according to claim 11, wherein The running speed of the drying machine is 5-40m / min.

13. The production method according to claim 11, wherein: The drying temperature is 80-170°C.

14. The production method according to claim 1, wherein The device also includes a frame and a workbench, wherein the workbench is fixed on the frame, and the loading equipment and the pressurizing equipment are arranged on the workbench.

15. The production method according to claim 14, wherein: The device also includes a lifting device, which can drive the workbench to move up and down.

16. The production method according to claim 15, wherein: The lifting distance range is 1-50cm.

17. The production method according to claim 1, wherein: At least two movable baffles are arranged in the feeding trough.

18. The production method according to claim 1, wherein: The air outlet of the air outlet device has a changeable shape and an adjustable wind speed.

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