Air blast drying box
By setting up a combination of staggered heaters and suction fan blades in the drying chamber, combined with limiting components and modular design, the problem of uneven drying of chemical materials is solved, achieving uniform drying of chemical materials and improving drying efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-04-07
AI Technical Summary
Existing drying ovens suffer from uneven airflow during the drying process of chemical materials, resulting in the material surface drying too quickly while the internal moisture cannot evaporate sufficiently, thus affecting product quality.
A forced-air drying chamber was designed, which uses heaters and suction fan blades arranged in an alternating manner, combined with a limiting component to ensure uniform heating of chemical materials. The drive component synchronously drives the suction fan blades to rotate, achieving uniform heat distribution. The modular chamber structure facilitates installation and disassembly.
It achieves uniform heating of the surface and interior of chemical materials, improves drying efficiency, avoids uneven drying, enhances product quality, and reduces energy consumption.
Smart Images
Figure CN224094756U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to drying box technical field especially relates to a blast drying oven. BACKGROUND
[0002] In chemical production, it is often necessary to dry various chemical materials, such as powder, granules, etc. The blast drying oven can effectively remove the moisture in the chemical materials by controlling the temperature and air speed, preventing problems such as caking and deterioration in subsequent processes. The current drying oven may not be uniform in airflow during use, causing the surface of the chemical material to dry too quickly, while the internal moisture is difficult to evaporate fully. This uneven drying may cause the surface of the chemical material to be too dry, while the internal still contains a lot of moisture, affecting the quality of the final product. SUMMARY
[0003] To overcome the shortcomings of the prior art, the utility model provides a blast drying oven, which solves the problem of uneven drying of chemical materials in the prior art, causing the surface to be too dry while the internal still contains a lot of moisture.
[0004] To solve the above technical problems, the utility model provides the following technical scheme:
[0005] A blast drying oven, comprising a box body, a drying mechanism for uniformly drying chemical materials is arranged on the inner side of the box body, two movable doors are hingedly arranged on both sides of one end of the box body, the drying mechanism comprises an upper heater and a lower heater which are detachably arranged on both sides of the inside of the box body, and the upper heater and the lower heater are arranged in a staggered manner in the vertical direction, a suction hood is arranged on the bottom of the upper heater and the top of the lower heater, suction fan blades are arranged on one side of each of the two suction hoods, and the drying mechanism further comprises a driving assembly arranged on the box body for synchronously driving the two suction fan blades to rotate.
[0006] Further, a limiting component for limiting the position of the movable frame to the center is further arranged on the inner bottom of the box body, the limiting component comprises limiting cross bars arranged on both sides of the bottom of the box body, and a plurality of equidistantly distributed limiting grooves integrally formed on the limiting cross bars.
[0007] Further, a fixed pulley rotatably connected with the limiting cross bar is arranged on the inner side of the limiting groove, and connecting rods fixed to the inner wall of the box body are respectively fixed to both ends of the limiting cross bar.
[0008] Further, the driving assembly comprises rotating shafts arranged at the shaft centers of the two suction fan blades, the rotating shafts penetrate through the box body and are rotatably connected with the box body through bearings, a limiting shell arranged on the top of the box body, and a transmission shaft arranged on the inner side of the top of the limiting shell, the transmission shaft is rotatably connected with the box body through bearing seats at both ends.
[0009] Furthermore, both ends of the drive shaft are equipped with drive belts via pulleys, and the bottom of the two drive belts are respectively connected to one end of the two rotating shafts via pulleys. The drive shaft and the drive belts at both ends are located inside the limiting housing. A servo motor for driving one of the rotating shafts to rotate is fixedly installed on one side of the outer side of the housing.
[0010] Furthermore, the fan blades on the side away from the suction hood are respectively provided with air guide plates fixed to the inner wall of the box, and the two ends of the suction hood are respectively fixed with support rods fixed to the inner wall of the box.
[0011] By employing the above technical solution, this utility model provides a forced-air drying oven, which, compared with the prior art, has at least the following beneficial effects:
[0012] 1. This utility model uses a drying mechanism to evenly dry chemical materials placed on a movable rack. Two suction fan blades evenly distribute the heat generated by the upper and lower heaters, which are arranged alternately, throughout the entire chamber. This achieves uniform drying of the chemical materials and avoids the situation where the surface of the chemical materials dries too quickly while the internal moisture cannot evaporate sufficiently. It ensures uniform heating of the surface and interior of the chemical materials, prevents overheating or under-drying in some areas, and improves the drying effect of the chemical materials. Compared with the traditional natural convection drying method, it has a higher drying efficiency.
[0013] 2. This utility model uses a limiting component to restrict the position of the movable frame, keeping it centered inside the chamber. When the movable frame is pushed into the chamber, its two sides contact the fixed pulleys on the two limiting crossbars, allowing the movable frame to smoothly enter the middle of the chamber. During drying, the chemical material can have maximum contact with the hot air flow inside the chamber, reducing uneven drying caused by improper positioning, ensuring uniform heat distribution, and avoiding the situation where the surface of the chemical material dries too quickly while the internal moisture is not fully removed, thereby improving drying efficiency.
[0014] 3. The box body of this utility model is composed of five plates. Two movable doors are installed at the exit of the box body, which facilitates the entry and exit of the movable rack. For some small and enclosed experimental spaces, it is difficult for integrated drying equipment to enter smoothly. This modular drying box can be disassembled and installed, and the cost is also low. Attached Figure Description
[0015] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0017] Figure 2 This is a side perspective sectional view of the present invention;
[0018] Figure 3 This is a schematic diagram of the drying mechanism of this utility model;
[0019] Figure 4 This is a partial structural diagram of the limiting component of this utility model.
[0020] In the diagram: 1. Box body; 2. Movable door;
[0021] 3. Drying mechanism; 31. Upper heater; 32. Lower heater; 33. Suction hood; 34. Suction fan blades; 35. Air guide plate; 36. Support rod;
[0022] 37. Drive assembly; 371. Rotating shaft; 372. Limiting housing; 373. Transmission shaft; 374. Transmission belt; 375. Servo motor;
[0023] 4. Limiting component; 41. Limiting crossbar; 42. Limiting groove; 43. Fixed pulley; 44. Connecting rod. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Forced-air drying ovens play a crucial role in chemical processes. Through an efficient and uniform drying process, they not only improve production efficiency and product quality but also effectively control energy consumption and meet environmental protection requirements, making them widely used in the chemical industry and an indispensable piece of equipment for drying chemical materials. However, existing technologies are prone to uneven airflow during use, leading to excessively rapid drying of the surface of chemical materials while internal moisture fails to evaporate sufficiently, affecting product quality. To ensure uniform heating of the surface and interior of chemical materials and prevent overheating or under-drying in some areas, such as… Figure 1 - Figure 3 As shown, a forced-air drying oven is provided, which consists of a box body 1, two movable doors 2 and a drying mechanism 3. The two symmetrically arranged movable doors 2 are respectively hinged to one side of the box body 1. When the two movable doors 2 are closed, the box body 1 is sealed. When drying chemical materials, the chemical materials are placed on the movable rack and then pushed into the box body 1 for drying by the drying mechanism 3.
[0026] The main body of the chamber 1 is composed of five panels. The entrance and exit of the chamber 1 are sealed by two movable doors 2, which makes the drying oven more convenient to build and saves costs. It also avoids the situation where existing integrated drying equipment cannot be easily put into small and closed experimental spaces, thus expanding the applicability of the drying oven.
[0027] To avoid the situation where the surface of the chemical material dries too quickly while the internal moisture cannot evaporate sufficiently during drying, the drying mechanism 3 is located inside the chamber 1 and is used to evenly dry the chemical material. The drying mechanism 3 includes an upper heater 31 and a lower heater 32, which are detachably installed on both sides inside the chamber 1. Only two heaters are arranged vertically and staggered to ensure more uniform heat distribution inside the chamber 1. The heaters can be electric heaters or water heaters. The bottom of the upper heater 31 and the top of the lower heater 32 are respectively provided with suction hoods 33, and suction fan blades 3 are respectively provided on one side of the two suction hoods 33. 4. When the two suction fan blades 34 are started, the heat generated by the upper heater 31 and the lower heater 32 flows to one side of the suction hood 33. During the flow process, the chemical materials placed on the movable frame are dried evenly. At both ends of the suction fan blades 34 away from the suction hood 33, there are air guide plates 35 fixed to the inner wall of the box 1. A flow channel is formed between the air guide plate 35 and the outer wall of the suction hood 33. The flow passes through the suction hood 33 and then through the air guide plate 35 to the inside of the box 1, maintaining the temperature in the box 1. At both ends of the suction hood 33, there are support rods 36 fixed to the inner wall of the box 1. The support rods 36 are used to fix the suction hood 33.
[0028] To synchronously drive the two suction fan blades 34 to rotate, so that the heat generated by the upper heater 31 and the lower heater 32 flows towards one side of the suction shroud 33, such as... Figure 2 and Figure 3 As shown, in a specific embodiment, the drying mechanism 3 further includes a drive assembly 37 mounted on the housing 1 for synchronously driving the two suction fan blades 34 to rotate. The drive assembly 37 includes a rotating shaft 371 respectively mounted on the shaft core of the two suction fan blades 34. The rotating shaft 371 passes through the housing 1 and is rotatably connected to it via bearings. A limiting housing 372 is mounted on the top of the housing 1, and a transmission shaft 373 is mounted on the inner side of the top of the limiting housing 372. Both ends of the transmission shaft 373 are rotatably connected to the housing 1 via bearing seats. Both ends of the transmission shaft 373 are respectively equipped with transmission belts 374 via pulleys. The bottoms of the two transmission belts 374 are respectively connected to one end of the two rotating shafts 371 via pulleys. The transmission shaft 373 and the transmission belts 374 at both ends are located inside the limiting housing 372. A servo motor 375 is fixedly mounted on one side of the housing 1. One end of one of the rotating shafts 371 passes through the limiting housing 372 and is fixedly connected to the output end of the servo motor 375.
[0029] When the drying of chemical materials begins, the upper heater 31 and the lower heater 32 are turned on, and the servo motor 375 is started at the same time. The output end of the servo motor 375 drives one of the rotating shafts 371 to rotate. One of the rotating shafts 371 drives the transmission shaft 373 to rotate through the transmission belt 374 on it. The transmission shaft 373 drives the other rotating shaft 371 to rotate through the transmission belt 374 at one end. The two rotating shafts 371 respectively drive the suction fan blades 34 at one end to rotate, so that the heat generated by the upper heater 31 and the lower heater 32 flows to the side of the suction hood 33. The flow process evenly dries the chemical materials placed on the movable rack.
[0030] To maximize the contact with the hot air flow inside chamber 1 and reduce uneven drying caused by improper positioning, such as Figure 4 As shown, in a specific embodiment, a limiting component 4 for limiting the position of the movable frame to be centered is also provided on the inner bottom of the box body 1. The limiting component 4 includes limiting crossbars 41 respectively provided on both sides of the bottom of the box body 1, and a plurality of equidistant limiting grooves 42 integrally formed on the limiting crossbars 41. A fixed pulley 43 rotatably connected to the limiting crossbars 41 is provided on the inner side of the limiting grooves 42. The two ends of the limiting crossbars 41 are respectively fixed with connecting rods 44 fixed to the inner wall of the box body 1.
[0031] When drying chemical materials, the movable rack containing the chemical materials is pushed into the chamber 1. The two sides of the movable rack contact the fixed pulleys 43 on the two limit crossbars 41, so that the movable rack can smoothly enter the middle of the inner side of the chamber 1. This allows the chemical materials to come into maximum contact with the hot air flow inside the chamber 1, ensuring that the heat can be evenly distributed and improving the drying efficiency.
[0032] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A forced-air drying oven, comprising a chamber body (1), characterized in that: The inner side of the box (1) is provided with a drying mechanism (3) for uniformly drying chemical materials; The drying mechanism (3) includes an upper heater (31) and a lower heater (32) that are detachably disposed on both sides inside the housing (1), and the upper heater (31) and the lower heater (32) are staggered in the vertical direction. The bottom of the upper heater (31) and the top of the lower heater (32) are respectively provided with suction hoods (33), and suction fan blades (34) are respectively provided on one side of the two suction hoods (33). The drying mechanism (3) also includes a drive assembly (37) disposed on the housing (1) for synchronously driving the two suction fan blades (34) to rotate.
2. The forced-air drying oven according to claim 1, characterized in that: The bottom inner side of the box (1) is also provided with a limiting component (4) for limiting the position of the movable frame to center it. The limiting component (4) includes limiting crossbars (41) respectively provided on both sides of the bottom of the box (1), and several limiting grooves (42) integrally formed on the limiting crossbars (41).
3. A forced-air drying oven according to claim 2, characterized in that: The inner side of the limiting groove (42) is provided with a fixed pulley (43) that is rotatably connected to the limiting crossbar (41), and the two ends of the limiting crossbar (41) are respectively fixed with connecting rods (44) that are fixed to the inner wall of the box (1).
4. The forced-air drying oven according to claim 1, characterized in that: The drive assembly (37) includes a rotating shaft (371) respectively disposed at the center of the two suction fan blades (34), the rotating shaft (371) passing through the housing (1) and rotatably connected to it through bearings, a limiting housing (372) disposed at the top of the housing (1), and a transmission shaft (373) disposed on the inner side of the top of the limiting housing (372), the two ends of the transmission shaft (373) being rotatably connected to the housing (1) through bearing seats respectively.
5. A forced-air drying oven according to claim 4, characterized in that: The two ends of the drive shaft (373) are respectively equipped with drive belts (374) through pulleys. The bottom of the two drive belts (374) are respectively connected to one end of the two rotating shafts (371) through pulleys. The drive shaft (373) and the drive belts (374) at both ends are located inside the limiting housing (372). A servo motor (375) for driving one of the rotating shafts (371) to rotate is fixedly installed on one side of the outer side of the housing (1).
6. A forced-air drying oven according to claim 1, characterized in that: The fan blades (34) away from the suction hood (33) are respectively provided with air guide plates (35) fixed to the inner wall of the box (1) at both ends, and the suction hood (33) is respectively fixed with support rods (36) fixed to the inner wall of the box (1) at both ends.
7. A forced-air drying oven according to claim 1, characterized in that: The box (1) is hinged to two sides on one end, with movable doors (2) respectively.