Vertical infrared drying machine with hot air blowing for metal foil material

Abstract

A kind of metal foil vertical infrared drying machine with hot air blowing, including drying machine, hot air blower;Several groups of drying units are vertically arranged in the drying machine rack, and a pair of infrared drying plates are arranged in parallel in the drying unit;Air knife is adjustably arranged at the discharge port of the drying unit, and the air knife is connected with the hot air blower through hot air pipe, and the hot air blower provides high-temperature air flow for the operation of the air knife;When the vertical infrared drying machine works, the residual moisture on the surface of the metal foil is evaporated by absorbing the infrared radiation of the drying unit, and the residual moisture is blown away by the high-temperature air flow sprayed by the air knife arranged at the discharge port of the drying unit;Wherein, the adjustable structure design of the air knife can make the air flow sprayed by the air knife relative to the metal foil at the best working angle, even when the metal foil cleaning line runs at high speed, it can still ensure that there is no residual moisture on the surface of the metal foil, so as to ensure the operation efficiency of the cleaning line.

Description

Technical Field

[0001] This utility model relates to the technical field of metal foil cleaning line equipment, specifically to a vertical infrared dryer for metal foil with hot air blowing. Background Technology

[0002] Currently, after cleaning, metal foil is dried in a dryer, and usually no moisture remains on the surface. However, with the continuous improvement of metal foil cleaning line technology, the cleaning speed has reached 120 meters per minute. Due to the significantly increased cleaning speed, even after drying, moisture may still remain on the surface, affecting the cleaning quality. To avoid this problem, the cleaning line has to operate at a reduced speed, which in turn affects the operating efficiency of the cleaning line. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model discloses a vertical infrared dryer for metal foil with hot air blowing, which solves the problem that when the metal foil cleaning line is running at high speed, the dryer cannot completely dry the surface of the metal foil and has to run at a reduced speed, thus affecting the operating efficiency of the cleaning line.

[0004] To achieve the aforementioned purpose, the present invention adopts the following technical solution: a vertical infrared dryer for metal foil with hot air blowing, used for drying cleaned metal foil; including a dryer and a hot air blower; several drying units are vertically arranged in the dryer frame, and a pair of infrared drying plates are arranged in parallel in the drying unit; an air knife is adjusted and set at the discharge port of the drying unit, and the air knife is connected to the hot air blower through a hot air pipe.

[0005] Furthermore, the air knife is adjusted and set on the upper or lower part of the frame via the air knife adjusting block and the air knife fixing column.

[0006] Furthermore, the discharge port of the drying unit is equipped with a reversing roller, and the air outlet of the air knife faces the reversing roller.

[0007] Furthermore, guide rollers are also rotatably installed on both sides of the reversing roller.

[0008] Furthermore, the lower part of the frame is also equipped with a feed roller and a discharge roller that rotate.

[0009] Furthermore, the hot air blower includes a fan and a heater; the fan and the heater, and the heater and the air knife are connected by flexible hoses.

[0010] Furthermore, the hose between the fan and the heater is made of non-metallic material; the hose between the heater and the air knife is made of metallic material and is wrapped with an insulation layer.

[0011] Due to the adoption of the above-described technical solution, this utility model has the following beneficial effects: The vertical infrared dryer for metal foil with hot air blowing disclosed in this utility model includes a dryer and a hot air blower; several drying units are vertically arranged in the dryer frame, and a pair of infrared drying plates are arranged in parallel within each drying unit; an air knife is adjusted and installed at the discharge port of the drying unit, and the air knife is connected to the hot air blower through a hot air pipe, with the hot air blower providing high-temperature airflow for the air knife operation; when the vertical infrared dryer is working, the residual moisture on the surface of the metal foil absorbs the infrared radiation radiated by the drying unit and evaporates, while the residual moisture is blown away by the high-temperature airflow sprayed from the air knife at the discharge port of the drying unit; in particular, the adjustable structure design of the air knife allows the airflow sprayed from the air knife to be in the optimal working position relative to the metal foil, ensuring that no moisture remains on the surface of the metal foil even when the metal foil cleaning line is running at high speed, thereby guaranteeing the operating efficiency of the cleaning line. Attached Figure Description

[0012] Figure 1 A schematic diagram of the exterior of a vertical infrared dryer for metal foil with hot air blowing. Figure 2 For the appendix Figure 1 View A; Figure 3 For the appendix Figure 1 View from direction B; Figure 4 This is a schematic diagram of the hot air knife assembly.

[0013] In the diagram: 1. Dryer; 1.1. Drying unit; 1.2. Feed roller; 1.3. Guide roller; 1.4. Reversing roller; 1.5. Hot air knife assembly; 1.5.1. Air knife; 1.5.1.1. Air knife inlet; 1.5.1.2. Air knife fixing shaft; 1.5.2. Air knife adjusting block; 1.5.3. Air knife fixing column; 1.6. Discharge roller; 2. Hot air blower; 3. Hot air duct; 4. Metal foil. Detailed Implementation

[0014] The present invention will be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0015] See the instruction manual appendix Figure 1A vertical infrared dryer for metal foil with hot air blowing is used to dry cleaned metal foil 4. It includes a dryer 1 and a hot air blower 2. The dryer 1 includes a frame and four drying units 1.1 vertically arranged in the frame. Each drying unit 1.1 has two infrared drying plates arranged in parallel. When the infrared drying plates are powered on, they radiate infrared rays with a wavelength of 3-16μm, which basically coincide with the three absorption peaks of liquid water in the infrared rays with a wavelength of 5-17μm. When the cleaned metal foil 4 passes vertically between two infrared drying plates, the moisture on the surface of the metal foil 4 absorbs the infrared energy radiated by the infrared drying plates and is heated and evaporated. In specific design, the dryer can also be equipped with three or five drying units 1.1 as needed. See the instruction manual appendix Figure 3 The dryer 1 has a feed roller 1.2 and a discharge roller 1.6 rotatably mounted on the left and right sides of the lower part of the frame. The drying unit 1.1 has guide rollers 1.3 rotatably mounted on both the upper and lower ends. The guide rollers 1.3 located between the two sets of drying units 1.1 on the upper left and right sides of the dryer 1 are equipped with reversing rollers 1.4 rotatably mounted on the middle of the guide rollers 1.3 located between the two sets of drying units 1.1 in the lower middle part of the dryer 1. When the dryer is working, the metal foil 4 enters from the feed roller 1.2 side, passes through the guide rollers 1.3 and reversing rollers 1.4 in sequence to change direction, and passes through the space between the two infrared drying plates in the drying unit 1.1 in a vertical manner, and finally flows out of the dryer 1 from the discharge roller 1.6. See the instruction manual appendix Figure 3 , 4A hot air knife assembly 1.5 is fixedly installed at the reversing rollers 1.4 on both the upper and lower sides of the dryer 1. The hot air knife assembly 1.5 includes an air knife 1.5.1, an air knife adjusting block 1.5.2, and an air knife fixing column 1.5.3. The air knife 1.5.1 has two air knife inlets 1.5.1.1 connected to the hot air blower 2 at the upper part, and air knife fixing shafts 1.5.1.2 at both ends. The air knife adjusting block 1.5.2 is a rectangular block with mutually perpendicular through holes near both ends. The through holes have cracked grooves, and each through hole has two threaded locking holes. The air knife fixing shaft 1.5.1.2 and the air knife fixing column 1.5.3 are respectively set in the two mutually perpendicular through holes of the air knife adjusting block 1.5.2, and are locked by bolts to realize the fixed connection between the air knife 1.5.1 and the air knife fixing column 1.5.3. The blade fixing column 1.5.3 is fixedly mounted on the upper or lower part of the frame via a connecting plate at its end. The air outlet of the air knife 1.5.1 faces the reversing roller 1.4. To ensure that the airflow from the air knife 1.5.1 is in the optimal working position relative to the metal foil 4, the vertical position of the air knife 1.5.1 can be adjusted by loosening the bolts locking the air knife fixing column 1.5.3 on the air knife adjusting block 1.5.2, and the optimal angle between the air outlet of the air knife 1.5.1 and the reversing roller 1.4 can be adjusted by loosening the bolts locking the air knife fixing shaft 1.5.1.2 on the air knife adjusting block 1.5.2. This allows the hot airflow from the air knife 1.5.1 to be in the optimal working angle relative to the metal foil 4 wrapped around the reversing roller 1.4, so as to maximize the drying of residual moisture on the surface of the metal foil 4 by hot air. See the instruction manual appendix Figure 2 The hot air blower 2 includes a blower 2.1 and a heater 2.2. The blower 2.1 and the heater 2.2, and the heater 2.2 and the air knife 1.5.1 are connected by flexible hoses. The flexible hose between the blower 2.1 and the heater 2.2 is a rubber corrugated hose or a plastic corrugated hose. The flexible hose between the heater 2.2 and the air knife 1.5.1 is a metal corrugated hose, and is wrapped with an insulation layer to prevent the high temperature on the surface of the metal corrugated hose from burning the workers. When the hot air blower 2 is working, the blower 2.1 generates airflow that flows through the heater 2.2. After being heated by the heater 2.2, the airflow generates high-temperature air, which is delivered to the air knife 1.5.1 through the hot air pipe 3. The hot air is then ejected at high speed from the air outlet of the air knife 1.5.1. When the vertical infrared dryer for metal foil with hot air blowing is working, the metal foil 4 enters from the side of the feed roller 1.2, and is turned by the guide roller 1.3 and the reversing roller 1.4 in sequence. It passes through the space between the two infrared drying plates in each drying unit 1.1 in a vertical manner for drying, and finally flows out of the dryer 1 from the discharge roller 1.6. In the above process, if the running speed of the metal foil is too high, and there is still moisture on the surface of the metal foil 4 when it flows out of the drying unit 1.1, the hot air sprayed by the air knife 1.5.1 blows away the residual moisture on the surface of the metal foil 4, ensuring that there is no moisture residue on the surface of the metal foil even when the metal foil cleaning line is running at high speed, thereby ensuring the operating efficiency of the cleaning line.

[0016] The parts of this utility model not described in detail are existing technologies.

Claims

1. A vertical infrared dryer for metal foil with hot air blowing, used for drying metal foil (4) after cleaning; comprising a dryer (1) and a hot air blower (2); the dryer (1) has several sets of drying units (1.1) vertically arranged in its frame, and a pair of infrared drying plates are arranged in parallel in each drying unit (1.1); characterized in that: An air knife (1.5.1) is installed at the discharge port of the drying unit (1.1). The air knife (1.5.1) is connected to the hot air blower (2) through the hot air pipe (3).

2. The vertical infrared dryer for metal foil with hot air blowing as described in claim 1, characterized in that: The air knife (1.5.1) is adjusted and set on the upper or lower part of the frame by the air knife adjusting block (1.5.2) and the air knife fixing column (1.5.3).

3. The vertical infrared dryer for metal foil with hot air blowing as described in claim 1, characterized in that: The discharge port of the drying unit (1.1) is equipped with a reversing roller (1.4), and the air outlet of the air knife (1.5.1) faces the reversing roller (1.4).

4. The vertical infrared dryer for metal foil with hot air blowing according to claim 3, characterized in that: Guide rollers (1.3) are also rotatably mounted on both sides of the reversing roller (1.4).

5. The vertical infrared dryer for metal foil with hot air blowing according to claim 1, characterized in that: The lower part of the frame is also equipped with a feed roller (1.2) and a discharge roller (1.6).

6. The vertical infrared dryer for metal foil with hot air blowing according to claim 1, characterized in that: The hot air blower (2) includes a fan (2.1) and a heater (2.2); the fan (2.1) and the heater (2.2) are connected by hoses, and the heater (2.2) and the air knife (1.5.1) are connected by hoses.

7. The vertical infrared dryer for metal foil with hot air blowing according to claim 1, characterized in that: The hose between the fan (2.1) and the heater (2.2) is made of non-metallic material; the hose between the heater (2.2) and the air knife (1.5.1) is made of metallic material and is wrapped with an insulation layer.

Images