A glass fiber plate oven heat treatment device

Abstract

The utility model discloses a glass fiber board oven heat treatment device, include: heat preservation drying outer box top fixed installation has the heat -proof top, and the front rotation is equipped with the sealed heat preservation box door, drying inner box body is welded in the bottom end inner wall of heat preservation drying outer box, and the both sides of front box body all are equidistant and are equipped with a plurality of air outlet through grooves, a plurality of connecting stand equidistant fixed mounting are in the bottom end inner wall of drying inner box body, and the outer wall of a plurality of connecting stand equidistant welding has a plurality of heat -collecting bearing plate, the utility model discloses through the airflow circulation flow in the airflow passageway between drying inner box body and heat preservation drying outer box, and heat energy is repeatedly used, and reduces heat loss, the transverse, longitudinal heat -collecting groove design on heat -collecting bearing plate can gather heat in glass fiber board placement area, and improve heat efficiency, the heat -absorbing fin board on fixed stand board absorbs and stores heat, is helpful to the buffer temperature fluctuation, makes the temperature field around glass fiber board more uniform, stable, reduces local overheating or supercooling.

Description

Technical Field

[0001] This utility model relates to the field of fiberglass board production technology, and in particular to a heat treatment device for a fiberglass board drying oven. Background Technology

[0002] In existing technologies, the processing of fiberglass boards (glass fiber reinforced boards) encompasses multiple stages, including raw material handling, molding, surface treatment, and finishing. Its core lies in improving the mechanical properties and durability of the boards through composite reinforcement technology. Fiberglass boards require drying during production to ensure their physical properties and structural stability.

[0003] Fiberglass raw materials (such as fiberglass cloth and prepreg) often contain trace amounts of moisture or solvent residue before processing. If not completely removed, this can lead to the following problems: insufficient resin curing, reduced interlayer bond strength; and finished products prone to blistering, delamination, or warping. The drying objective is to reduce the moisture content to ≤0.1% to meet the performance requirements of reinforced composite materials.

[0004] In the fiberglass board production process, the drying process is usually connected after resin impregnation and before hot pressing. Prepreg needs to be baked to remove the solvent so that the resin reaches a semi-cured state. If drying is skipped and hot pressing is performed directly, residual volatiles will form internal defects under high pressure.

[0005] Fiberglass boards are usually dried in a drying room, where a large number of boards are dried at the same time, but the drying time is relatively long. Small fiberglass board drying devices are generally hot air circulating ovens or water bath ovens. Conventional hot air circulating ovens have poor temperature uniformity (temperature difference of more than ±5℃) during use, so the drying time needs to be extended to compensate for the efficiency loss. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies by proposing a heat treatment device for a fiberglass board oven.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A heat treatment apparatus for a fiberglass board drying oven, comprising:

[0009] The outer heat-insulating drying box has a heat-insulating top cover fixedly installed on its top and a sealed heat-insulating box door that can be rotated on the front.

[0010] The inner drying chamber is welded to the bottom inner wall of the insulated drying outer chamber, and multiple air outlet slots are equally spaced on both sides of the front chamber.

[0011] Multiple connecting columns are fixedly installed at equal intervals on the bottom inner wall of the drying inner chamber, and multiple heat-retaining bearing plates are welded at equal intervals on the outer walls of the multiple connecting columns. The upper surface of the heat-retaining bearing plates is provided with fiberglass boards to be dried.

[0012] As a further improvement of this utility model: an airflow channel is provided between the outer side wall of the drying inner box and the inner side wall of the heat-insulating drying outer box, and an air outlet groove is provided on the back of the drying inner box.

[0013] As a further improvement of this utility model: the inner wall of the back of the heat-insulating drying outer box is integrally formed with a diversion boss, and the front end of the diversion boss is inserted into the air outlet groove.

[0014] As a further improvement of this utility model: two filter screens are symmetrically arranged on the back of the drying inner chamber, and multiple dust collection slots are equidistantly opened on one side of each filter screen.

[0015] As a further improvement of this utility model: water-absorbing molecular sieves are provided on both sides of the back of the drying inner chamber, and multiple electric heating rods are provided at equal intervals on both sides of the drying inner chamber.

[0016] As a further improvement of this utility model: both sides of the front of the drying inner chamber are provided with mounting frames, and multiple mounting slots are equidistantly opened on the front of the mounting frames, and heat-resistant guide fans are fixedly installed inside the mounting slots.

[0017] As a further improvement of this utility model: a partition top plate is fixedly installed on the top of the drying inner chamber, and a main controller is fixedly installed on the top of the partition top plate.

[0018] As a further improvement of this utility model: both sides of the inner wall of the drying chamber are fixedly installed with fixed upright plates, and multiple heat-absorbing fins are welded at equal intervals on one side of the fixed upright plates.

[0019] As a further improvement of this utility model: the bottom outer wall of the heat-insulating drying outer box is fitted with a limiting frame, and the bottom end of the limiting frame is fixedly connected to a movable base.

[0020] Compared with the prior art, this utility model provides a heat treatment device for a fiberglass board drying oven, which has the following beneficial effects:

[0021] 1. This fiberglass board drying oven heat treatment device uses airflow to circulate between the inner drying chamber and the outer insulated drying chamber, allowing for the reuse of heat energy and reducing heat loss. The horizontal and vertical heat-gathering grooves on the heat-gathering support plate can concentrate heat in the fiberglass board placement area, improving thermal efficiency. The heat-absorbing fins on the fixed upright plate absorb and store heat, helping to buffer temperature fluctuations and making the temperature field around the fiberglass board more uniform and stable, reducing local overheating or overcooling.

[0022] 2. This fiberglass board drying oven heat treatment device effectively captures and collects fiberglass dust carried in the airflow through the filter screen and its dust collection tank, preventing dust from circulating and accumulating inside the device, reducing the impact of dust on the surface quality of the fiberglass board, maintaining the cleanliness of the equipment, and reducing maintenance needs; the water-absorbing molecular sieve can effectively absorb the water vapor evaporated in the circulating airflow, reduce the humidity of the circulating air, avoid the fiberglass board absorbing moisture and becoming damp or insufficiently dried, and improve the dryness and quality of the final product.

[0023] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of the overall assembly of this utility model;

[0025] Figure 2 This is a partial cross-sectional view of the overall assembly of this utility model.

[0026] Figure 3 This utility model Figure 2 A magnified schematic diagram of the partial structure at point A in the middle;

[0027] Figure 4 This utility model Figure 2 A magnified schematic diagram of the structure at point B in the middle.

[0028] In the diagram: 1. Movable base; 2. Limiting frame; 3. Insulated drying outer chamber; 4. Insulated top cover; 5. Sealed insulated chamber door; 6. Drying inner chamber; 7. Air outlet duct; 8. Diverting boss; 9. Partition top plate; 10. Main controller; 11. Heat-collecting support plate; 12. Connecting column; 13. Fixed upright plate; 14. Heat-absorbing fins; 15. Air outlet duct; 16. Mounting frame; 17. Mounting duct; 18. Heat-resistant guide fan; 19. Electric heating rod; 20. Filter screen; 21. Dust collection tank; 22. Water-absorbing molecular sieve. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0030] A heat treatment apparatus for a fiberglass board drying oven, such as Figures 1 to 4 As shown, it includes: an insulated drying outer box 3 fixedly installed on the top of the mobile base 1 and a drying inner box 6 set inside the insulated drying outer box 3; a limit frame 2 is integrally formed on the top of the mobile base 1, and the insulated drying outer box 3 is fixedly installed inside the limit frame 2.

[0031] The front of the heat-insulating drying outer box 3 is provided with a door groove, which runs through the front of the drying inner box 6. An airflow channel is provided between the outer side wall of the drying inner box 6 and the inner side wall of the heat-insulating drying outer box 3, and an air outlet groove 7 is provided on the back of the drying inner box 6.

[0032] The top of the heat-insulating drying outer box 3 is fixedly installed with a heat-insulating top cover 4, and the door slot is rotatably installed with a sealed heat-insulating box door 5 for easy loading and unloading of the fiberglass board to be dried; the top of the drying inner box 6 is fixedly installed with a partition top plate 9, which is made of heat-insulating material and is used to seal the airflow channel to reduce the speed at which heat dissipates from the top of the airflow channel. The top of the partition top plate 9 is also fixedly installed with a main controller 10, which is used to control the entire device. It is equipped with a control panel (not shown) and the control panel is installed on the outer wall of the heat-insulating drying outer box 3.

[0033] Four connecting columns 12 are welded at equal intervals to the bottom inner wall of the drying inner chamber 6. Multiple heat-gathering bearing plates 11 are welded at equal intervals to the outer wall of the multiple connecting columns 12. The fiberglass board to be dried is placed on the upper surface of the heat-gathering bearing plate 11. Multiple transverse heat-gathering grooves and multiple longitudinal heat-gathering grooves are equally spaced on the upper surface of the heat-gathering bearing plate 11 to facilitate the accumulation of heat, heat the fiberglass board to be dried, and maintain the uniformity of heat in the air field around the fiberglass board to be dried.

[0034] Fixed upright plates 13 are fixedly installed on both sides of the inner wall of the drying chamber 6. Multiple heat-absorbing fins 14 are welded at equal intervals on the side of the fixed upright plate 13 close to the heat-collecting bearing plate 11. The heat-absorbing fins 14 absorb the heat of the hot air and, together with the heat-collecting bearing plate 11, make the temperature around the fiberglass board to be dried more uniform and reduce the possibility of uneven heating of the fiberglass board to be dried.

[0035] The inner drying chamber 6 is welded to the bottom inner wall of the heat-insulating drying outer chamber 3, and multiple air outlet slots 15 are equally spaced on both sides of the front chamber. The two sets of air outlet slots 15 are symmetrically arranged, and the air direction is tilted to the heat-collecting bearing plate 11 to further ensure that the fiberglass board to be dried is heated evenly.

[0036] The inner wall of the back of the heat-insulating drying outer box 3 is integrally formed with a diversion boss 8. The front end of the diversion boss 8 is inserted into the air outlet groove 7. The air flowing out through the air outlet groove 7 is divided into two parts and enters the airflow channel.

[0037] Two filter screens 20 are symmetrically arranged on the back of the drying inner chamber 6. Multiple dust collection slots 21 are equidistantly opened on one side of the filter screen 20 to collect the glass fiber powder carried in the airflow, so as to prevent the glass fiber powder from moving freely with the airflow inside the device and affecting other components.

[0038] Both sides of the back of the drying inner chamber 6 are provided with water-absorbing molecular sieves 22, which are used to absorb water vapor evaporated in the airflow. Both sides of the drying inner chamber 6 are provided with multiple electric heating rods 19 at equal intervals. When the electric heating rods 19 are powered on, they heat the airflow.

[0039] The drying inner chamber 6 has mounting brackets 16 on both sides of the front. Multiple mounting slots 17 are equidistantly opened on the front of the mounting brackets 16. Heat-resistant guide fans 18 are fixedly installed inside the mounting slots 17. The heat-resistant guide fans 18 guide the heated airflow into the drying inner chamber 6 through the air outlet slots 15.

[0040] Working principle:

[0041] Please refer to Figures 1 to 4 Assemble the device as shown in the figure;

[0042] When using this device, the fiberglass board to be dried is first placed on the upper surface of the heat-absorbing support plate 11, and then the sealed heat-insulating box door 5 is closed. Next, the control panel inputs a command to the main controller 10, and the main controller 10 controls the heat-resistant guide fan 18 and the electric heating rod 19 to start. The heat-resistant guide fan 18 draws in air and blows the air through the air outlet slot 15 toward the heat-absorbing support plate 11. Then, the air enters the airflow channel through the air outlet slot 7, passes through the filter screen 20 to filter fiberglass dust, is absorbed by the water-absorbing molecular sieve 22, and is then heated by the electric heating rod 19 before re-entering the drying inner chamber 6. During the above process, the airflow circulates along the above trajectory. During the airflow, the fiberglass board to be dried is dried, and the heat-absorbing support plate 11 and the heat-absorbing fin plate 14 maintain the stability of the thermal field around the fiberglass board to be dried.

[0043] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A heat treatment apparatus for a fiberglass board drying oven, characterized in that, include: The outer box for heat preservation and drying (3) has a heat-insulating top cover (4) fixedly installed on its top, and a sealed heat preservation box door (5) is installed on the front. The drying inner box (6) is welded to the bottom inner wall of the heat-insulating drying outer box (3), and multiple air outlet slots (15) are equally spaced on both sides of the front box. Multiple connecting columns (12) are fixedly installed at equal intervals on the bottom inner wall of the drying inner box (6), and multiple heat-retaining bearing plates (11) are welded at equal intervals on the outer walls of the multiple connecting columns (12), and the upper surface of the heat-retaining bearing plate (11) is provided with a fiberglass board to be dried. An airflow channel is provided between the outer side wall of the drying inner box (6) and the inner side wall of the heat-insulating drying outer box (3), and an air outlet groove (7) is provided on the back of the drying inner box (6).

2. The heat treatment apparatus for a fiberglass board drying oven according to claim 1, characterized in that: The inner wall of the back of the heat-insulating drying outer box (3) is integrally formed with a diversion boss (8), and the front end of the diversion boss (8) is inserted into the air outlet groove (7).

3. The heat treatment apparatus for a fiberglass board drying oven according to claim 1, characterized in that: Two filter screens (20) are symmetrically arranged on the back of the drying inner chamber (6), and multiple dust collection slots (21) are equidistantly opened on one side of the filter screens (20).

4. The heat treatment apparatus for a fiberglass board drying oven according to claim 1, characterized in that: Water-absorbing molecular sieves (22) are provided on both sides of the back of the drying inner box (6), and multiple electric heating rods (19) are provided at equal intervals on both sides of the drying inner box (6).

5. The heat treatment apparatus for a fiberglass board drying oven according to claim 1, characterized in that: The drying inner chamber (6) has mounting brackets (16) on both sides of its front side. The mounting brackets (16) have multiple mounting slots (17) at equal intervals on their front sides. Heat-resistant guide fans (18) are fixedly installed inside the mounting slots (17).

6. The heat treatment apparatus for a fiberglass board drying oven according to claim 1, characterized in that: A partition top plate (9) is fixedly installed on the top of the drying inner chamber (6), and a main controller (10) is fixedly installed on the top of the partition top plate (9).

7. The heat treatment apparatus for a fiberglass board drying oven according to claim 1, characterized in that: The inner walls of both sides of the drying chamber (6) are fixedly installed with fixed upright plates (13), and multiple heat-absorbing fins (14) are welded at equal intervals on one side of the fixed upright plates (13).

8. The heat treatment apparatus for a fiberglass board drying oven according to claim 1, characterized in that: The bottom outer wall of the heat-insulating drying outer box (3) is fitted with a limiting frame (2), and the bottom end of the limiting frame (2) is fixedly connected to a movable base (1).

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