Circulation type printing and dyeing drying device with double-air-duct cross flow
By employing a dual-airflow cross-flow design and a heat recovery and circulation mechanism, the problems of low efficiency and high energy consumption in traditional printing and dyeing drying equipment have been solved, achieving efficient and energy-saving drying of printing and dyeing materials and improving production efficiency and economic benefits.
Patent Information
- Application Number
- CN202520292354.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Traditional printing and dyeing drying equipment is inefficient, with insufficient contact between hot air and printing and dyeing materials, resulting in long drying times and high energy consumption. It also lacks a heat recovery and utilization mechanism, which increases production costs.
It adopts a dual-channel cross-flow design and a heat recovery and circulation mechanism. The fan draws in outside air, heats it, and forms a cross-flow inside the drying shell. Combined with an ultrasonic generator, it accelerates moisture evaporation. The heat is recycled by the recovery shell, which reduces the power of the heating element.
It improves the drying efficiency of printing and dyeing materials, shortens drying time, reduces energy consumption, and enhances production efficiency and economic benefits, which is in line with the concept of green production.
Smart Images

Figure CN223795697U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of drying equipment technology, and in particular to a circulating dyeing and printing drying device with dual air ducts for cross-flow. Background Technology
[0002] In the dyeing and printing industry, the drying process plays a crucial role in product quality and production efficiency. Traditional dyeing and printing drying equipment has several shortcomings. On the one hand, common drying methods are inefficient, employing a single hot air drying mode where the hot air does not make sufficient contact with the dyeing materials, resulting in long drying times. This makes it difficult to meet the growing demands of large-scale production and restricts the company's capacity expansion. On the other hand, energy consumption is a significant issue. The lack of an effective heat recovery and utilization mechanism means that heating elements operate at continuously high power, resulting in substantial energy waste and significantly increasing production costs, which is inconsistent with the current green development concept of energy conservation and emission reduction. Utility Model Content
[0003] The purpose of this invention is to provide a circulating dyeing and drying device with dual air ducts for cross-flow, in order to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution, which includes an installation frame, a pair of L-shaped mounting brackets on each of the upper and lower sides of the installation frame, an installation plate at the bottom of the L-shaped mounting brackets, and the installation plate being connected to a circulating drying component by several bolts. A pair of circulating drying components are symmetrically arranged inside the installation frame.
[0005] As a preferred embodiment of this utility model, the circulating drying assembly includes a recovery shell, in which several heating strips are equally spaced. The recovery shell is mounted on a mounting plate, and an air supply pipe is provided at the top of the recovery shell. A drying hood is provided at the other end of the air supply pipe, and the air supply pipe is connected to the drying hood. A heating wire is provided inside the air supply pipe, and mounting blocks are symmetrically arranged on both sides of the air supply pipe. A fan is provided at the top of the mounting blocks, and an L-shaped pipe is provided at the input end of the fan. The other end of the L-shaped pipe is located on the side of the recovery shell, and the output end of the fan is located on the air supply pipe.
[0006] As a preferred embodiment of this utility model, an ultrasonic generator is provided on the top of the drying cover, and the transducer assembly of the ultrasonic generator is installed inside the drying cover by bolts.
[0007] As a preferred embodiment of this utility model, a pair of clamping rods are provided on each of the front and rear sides of the mounting frame. The clamping rods are movably mounted on the mounting frame through a pair of bearing seats. The material is clamped between the two clamping rods and passes through the two circulating drying components.
[0008] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects:
[0009] 1. This utility model achieves efficient drying of printing and dyeing materials through a dual-channel cross-flow design. During the drying process, the fan draws in outside air, heats it with heating wires, and then sends it into the drying hood. The hot air comes into contact with the material from different directions, forming a cross-flow effect, which increases the heat exchange area and efficiency. At the same time, the ultrasonic waves generated by the ultrasonic generator act on the water molecules on the surface of the material, causing them to resonate, reducing the adhesion between the water molecules and the material, and accelerating the evaporation of moisture. The upper and lower circulating drying components work simultaneously, further shortening the drying time and significantly improving the overall efficiency of printing and dyeing production, meeting the needs of large-scale production.
[0010] 2. This utility model utilizes a hot air recovery and circulation mechanism. After a period of normal operation, the hot air blown out of the drying hood enters the recovery shell, and the fan continuously draws in the hot air for recycling. Based on this, the power of the heating wire and heating strip can be reduced in a timely manner, reducing energy consumption. While ensuring the drying effect, it significantly reduces production costs, improves the economic benefits of enterprises, and conforms to the concept of green production. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0012] Figure 2 This is a schematic diagram of the installation frame structure of this utility model;
[0013] Figure 3 This is a schematic diagram of the circulating drying component structure of this utility model;
[0014] Figure 4 This is a schematic diagram of the bottom view structure of the circulating drying component of this utility model;
[0015] Figure 5 This is a side cross-sectional view of the circulating drying component of this utility model.
[0016] Reference numerals: 1. Mounting frame; 10. Clamping rod; 11. Bearing seat; 2. L-shaped mounting bracket; 20. Mounting plate; 3. Circulating drying assembly; 30. Recycling shell; 31. Air supply pipe; 32. Drying cover; 33. Heating wire; 34. Heating strip; 35. Fan; 36. L-shaped tube; 37. Mounting block; 38. Ultrasonic generator; 39. Transducer assembly; 4. Bolt. Detailed Implementation
[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.
[0018] like Figures 1-5 As shown, this utility model proposes a circulating dyeing and printing drying device with dual-channel crossflow. It includes a mounting frame 1, with a pair of L-shaped mounting brackets 2 symmetrically arranged on the upper and lower sides of the mounting frame 1. A mounting plate 20 is fixed to the bottom of each L-shaped mounting bracket 2 and tightly connected by several bolts 4. The mounting plate 20 is securely connected to the circulating drying component 3. This connection method ensures the secure installation of the circulating drying component 3 on the mounting frame 1, guaranteeing the stability of the equipment during operation.
[0019] The circulating drying assembly 3 is composed of several key components working together. The recovery shell 30 is one of the core components. Several heating strips 34 are arranged at equal intervals inside to provide basic heat for drying. The recovery shell 30 is installed on the mounting plate 20 to ensure its fixed position. At the top of the recovery shell 30, an air supply pipe 31 is connected. The other end of the air supply pipe 31 is connected to the drying hood 32 to form a hot air conveying channel. The air supply pipe 31 is equipped with a heating wire 33 to further heat the conveyed air. Mounting blocks 37 are symmetrically installed on both sides of the air supply pipe 31. A fan 35 is fixed on the top of the mounting block 37. The input end of the fan 35 is connected to an L-shaped pipe 36. The other end of the L-shaped pipe 36 is connected to the side of the recovery shell 30 to extract the hot air inside the recovery shell 30. The output end of the fan 35 is directly connected to the air supply pipe 31 to pressurize the extracted hot air and send it into the air supply pipe 31 to realize the recycling of hot air.
[0020] An ultrasonic generator 38 is installed on the top of the drying cover 32. The transducer group 39 of the ultrasonic generator 38 is fixed inside the drying cover 32 by bolts 4. This connection method ensures that the ultrasonic generator 38 can work stably, so that the ultrasonic waves generated by the transducer group 39 can effectively act on the material below the drying cover 32 and accelerate the evaporation of moisture on the surface of the material.
[0021] On the front and rear sides of the mounting frame 1, there is a pair of clamping rollers 10. The clamping rollers 10 are movably mounted on the mounting frame 1 via a pair of bearing seats 11. This movable connection allows the clamping rollers 10 to rotate flexibly. The material is clamped between the two clamping rollers 10 and passes between the two circulating drying components 3, ensuring that the material can be fully dried during the conveying process.
[0022] First, prepare by smoothly passing the dyeing material to be dried between the two sets of clamping rollers 10, ensuring that one end of the material is properly placed on the winding device. Next, start the heating strip 34 and heating wire 33 to begin preheating the equipment. This step is crucial, as proper preheating can ensure efficient and stable drying in the subsequent process.
[0023] Once preheating is complete, the system enters the formal drying stage. At this time, the winding device, the fans 35 of the upper and lower circulating drying components 3, and the ultrasonic generator 38 need to be started simultaneously. The winding device rotates at a uniform speed, driving the material forward continuously. The fans 35 start working, quickly drawing out the outside air. The drawn-in air is transported to the air supply pipe 31 along the predetermined pipeline. In the air supply pipe 31, the air comes into full contact with the heating wire 33 and is rapidly heated. Then, the hot air is introduced into the drying hood 32. The hot air flows downward from the drying hood 32, drying the fabric passing below in all directions. At the same time, when the fabric moves under the transducer group 39, the ultrasonic waves generated by the ultrasonic generator 38 are transmitted to the fabric surface through the air. The high-frequency vibration of the ultrasonic waves acts on the water molecules on the fabric surface, causing them to resonate, which greatly reduces the adhesion between the water molecules and the fabric, thereby accelerating the evaporation of moisture and improving the drying efficiency.
[0024] After the equipment has been working normally for a period of time, the hot air blown out from the drying hood 32 will enter the recovery hood 30. The fan 35 will continue to run, drawing in the hot air from the recovery hood 30 and putting it back into circulation for drying. Based on this hot air recovery mechanism, the power of the heating wire 33 and heating bar 34 can be appropriately reduced at this time. Even with the power reduction, with the help of the recovered hot air, the same drying effect as when running at full power can still be achieved. At the same time, some energy consumption is effectively reduced, achieving the dual goals of energy saving and high-efficiency production.
[0025] It should be understood that the specific embodiments described above are merely illustrative or explanatory of the principles of this utility model and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within its protection scope. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.
Claims
1. A circulating dyeing and drying device with dual-channel crossflow, comprising a mounting frame (1), wherein a pair of L-shaped mounting brackets (2) are provided on each of the upper and lower sides of the mounting frame (1), and a mounting plate (20) is provided at the bottom of the L-shaped mounting brackets (2), characterized in that: The mounting plate (20) is connected with the circulating drying assembly (3) through several bolts (4), and a pair of the circulating drying assemblies (3) are symmetrically arranged in the mounting frame (1).
2. A circulating type printing and dyeing drying device provided with double air duct cross flow according to claim 1, characterized in that: The circulating drying assembly (3) comprises a recycling shell (30), a plurality of heating strips (34) are equidistantly arranged in the recycling shell (30), the recycling shell (30) is arranged on the mounting plate (20), a gas supply pipe (31) is arranged on the top of the recycling shell (30), the other end of the gas supply pipe (31) is provided with a drying cover (32), the gas supply pipe (31) and the drying cover (32) are communicated, a heating wire (33) is arranged in the gas supply pipe (31), mounting blocks (37) are symmetrically arranged on the two sides of the gas supply pipe (31), a fan (35) is arranged on the top of the mounting block (37), an L-shaped pipe (36) is arranged on the input end of the fan (35), the other end of the L-shaped pipe (36) is arranged on the side of the recycling shell (30), and the output end of the fan (35) is arranged on the gas supply pipe (31).
3. A circulating type printing and dyeing drying device provided with double air duct cross flow according to claim 2, characterized in that: An ultrasonic generator (38) is arranged on the top of the drying cover (32), and a transducer group (39) of the ultrasonic generator (38) is arranged in the drying cover (32) through the bolt (4).
4. A circulating type printing and dyeing drying device provided with double air duct cross flow according to claim 3, characterized in that: A pair of clamping rods (10) are arranged on the front and rear sides of the mounting frame (1), respectively, the clamping rod (10) is movably arranged on the mounting frame (1) through a pair of bearing seats (11), the material is clamped between the two clamping rods (10), and the material is arranged between the two circulating drying assemblies (3).