Totally-enclosed annealing kiln

The fully enclosed annealing furnace solves the problem of heat loss in traditional annealing furnaces through a sealed chamber and airflow circulation heating technology, achieving efficient and uniform annealing of glass products and improving product quality and yield.

CN223879633UActive Publication Date: 2026-02-06LAISHUI MINGHANG GLASS PRODUCTS CO LTD
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Patent Information

Application Number
CN202520900193.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-02-06
Estimated Expiration
2035-05-08

AI Technical Summary

Technical Problem

Traditional open annealing furnaces result in significant heat loss and low energy efficiency, making it difficult to meet the high-temperature environmental requirements of high borosilicate glass tubes and affecting product quality.

Method used

The fully enclosed annealing furnace reduces heat loss through its sealed enclosure structure and, combined with a drive pump and heating tube assembly, achieves airflow circulation heating, ensuring uniform heating of glass products.

Benefits of technology

It significantly improves energy efficiency, ensures uniformity and stability of the annealing process, reduces product breakage, and improves yield and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a totally-enclosed annealing kiln, which relates to the technical field of annealing kilns and comprises a sealed box body, a driving pump is mounted on the rear side of the sealed box body, and heating pipe components are mounted on two sides in the sealed box body; air outlet grooves are formed in the two sides of the sealing box body, an air suction groove is formed in the top of the sealing box body, air outlet covers are installed on the two sides of the sealing box body, and an air suction cover is installed on the top of the sealing box body; the inner end of the air suction groove is located on the side face of the heating pipe assembly. And a guide bracket is mounted in the sealing box body in a sliding manner. The sealed box body adopts a box-type totally-closed structure, and the internal temperature of the sealed box body can reach up to 600 DEG C, so that the uniformity and the stability of the annealing process are ensured, the annealing effect is greatly improved, the damage of products in the annealing process is reduced, the yield of the products is effectively improved, and the production cost is reduced. The problems that a large amount of heat is lost, the energy utilization rate is low, and the product quality is affected due to an annealing kiln of an open structure are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to annealing lehr technical field especially relates to full -enclosed annealing lehr. BACKGROUND

[0002] Annealing lehr is the key thermal equipment in the glass production process, mainly used for annealing treatment to the lamp glass product after forming, and the annealing treatment aims at eliminating or reducing the internal stress generated in the forming process of glass, improving the physical properties of lamp glass product, improving its mechanical strength, thermal stability and optical performance, and ensuring that the lamp glass product will not be broken or deformed due to stress release in the use process.

[0003] In the prior art, when the lamp glass product is annealed, the traditional annealing lehr adopts a long strip open type conveying belt structure, however, the open type structure of the annealing lehr will cause a large amount of heat loss, low energy utilization rate, high production cost, and for the lamp glass product with small size, high borosilicate glass tube as material and strict annealing temperature requirement, the traditional open type annealing lehr cannot create and stably maintain the required high temperature environment, and it is difficult to meet the special annealing process requirements of the lamp glass product, which affects the product quality. SUMMARY

[0004] The utility model relates to full -enclosed annealing lehr to solve this open type structure's annealing lehr will cause a large amount of heat loss, low energy utilization rate, cause production cost to be high, and for the lamp glass product with small size, high borosilicate glass tube as material and strict annealing temperature requirement, the traditional open type annealing lehr cannot create and stably maintain the required high temperature environment, and it is difficult to meet the special annealing process requirements of the lamp glass product, which affects the product quality.

[0005] The utility model provides full -enclosed annealing lehr, specifically includes: sealed box, the sealed box is rectangular structure, and the sealed box bottom edge angle's position is installed with the supporting leg, and the side of sealed box is installed with control box, and the rear side of sealed box is installed with drive pump, and the inside both sides of sealed box are installed with heating pipe subassembly, the both sides of sealed box are set up with the air outlet groove, and the top of sealed box is equipped with the air inlet groove, and the both sides of sealed box are installed with the air outlet cover, and the top of sealed box is installed with the air inlet cover, the inside end of air inlet groove is at the side of heating pipe subassembly, the inside of sealed box is slidably installed with the guide support, the rear end of sealed box bottom is installed with drive motor, and the output of drive motor is installed with drive rod through the bottom of sealed box, the inside of guide support is rotatably installed with the storage frame.

[0006] Further, the air outlet cover is located outside the air outlet groove; the air inlet cover is located outside the air inlet groove; the input end of the drive pump at the rear end of the sealed box is provided with an air inlet pipe, and the output end of the drive pump is provided with an air outlet pipe; the side end of the air outlet pipe is connected with the side of the air outlet cover.

[0007] Further, the side end of the air inlet pipe is connected with the side of the air inlet cover; the inner end of the guide support is provided with a guide plate at the bottom, wherein the bottom of the guide plate is rotatably provided with a guide wheel, and the guide wheel is rotatably arranged at the inner bottom of the sealed box.

[0008] Further, the rear bottom of the guide support is rotatably provided with a rotating rod; the top of the rotating rod is provided with a gear, and the bottom of the rotating rod is provided with a slot; the top of the drive rod is slidably arranged in the slot.

[0009] Further, the bottom of the storage rack is provided with a gear at the outer side, the gear is engaged with the gear at the top of the rotating rod, and the side of the storage rack is provided with two guide rods at opposite positions; the inner side of the storage rack is slidably provided with a supporting plate.

[0010] Further, the side of the supporting plate is slidably arranged at the outer side of the guide rod, and a connecting plate is arranged between the three supporting plates; the connecting plate is slidably arranged at the outer side of the guide rod; the bottom of the upper two supporting plates is rotatably provided with an adjusting rod; the outer side of the adjusting rod is provided with a movable plate.

[0011] Further, the movable plate is slidably arranged at the bottom of the supporting plate, and the bottom of the movable plate is rotatably provided with a supporting plate; the bottom of the supporting plate is rotatably provided with a fixed plate; the fixed plate is slidably arranged at the outer side of the connecting plate.

[0012] The utility model provides a full -enclosed annealing furnace has the following beneficial effects:

[0013] In use, the sealed box adopts a box type full -enclosed structure, which is suitable for the annealing process of high borosilicate glass products, effectively reduces heat loss through the full -enclosed structure, significantly improves energy utilization efficiency, the internal temperature of the sealed box can be as high as 600 degrees Celsius, ensures the uniformity and stability of the annealing process, thereby greatly improves the annealing effect, reduces the damage of products in the annealing process, effectively improves the yield of products, and provides reliable guarantee for the production of high-quality glass products.

[0014] In addition, through the connection of the drive rod and the rotating rod, the storage rack is stably rotated by cooperating with the driving motor, so that the glass products are uniformly heated in all directions during the annealing process, the problem of uneven annealing caused by local temperature difference is avoided, and the annealing quality of the glass products is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced as follows.

[0016] The drawings in the following description are merely related to some embodiments of the present application, but not the limitation of the present application.

[0017] In the drawings:

[0018] Figure 1 A schematic view showing the overall structure of the present application is shown;

[0019] Figure 2 A schematic view showing the sectional structure of the air suction cover of the present application is shown;

[0020] Figure 3 A schematic view showing the three-dimensional structure of the air outlet cover of the present application is shown;

[0021] Figure 4 A schematic view showing the three-dimensional structure of the guide support of the present application is shown;

[0022] Figure 5 A schematic view showing the three-dimensional structure of the storage rack of the present application is shown;

[0023] Figure 6 A schematic view showing the sectional structure of the supporting plate of the present application is shown.

[0024] List of reference signs

[0025] 1, sealed box body; 101, heating pipe assembly; 102, air outlet groove; 103, air suction groove; 104, air outlet cover; 105, air suction cover; 106, air outlet pipe; 107, air suction pipe;

[0026] 2, guide support; 201, guide plate; 202, driving rod; 203, rotating rod;

[0027] 3, storage rack; 301, guide rod; 302, supporting plate; 303, connecting plate; 304, adjusting rod; 305, movable plate; 306, supporting plate; 307, fixed plate. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be clearly and completely described below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Please refer toFigures 1 to 6 :

[0030] The utility model provides an all -closed annealing furnace, include: sealed box 1, sealed box 1 is rectangular structure, and sealed box 1 bottom edge angle's position is installed with support leg, and the side of sealed box 1 is installed with control box, and the back of sealed box 1 is installed with drive pump, and the inside both sides of sealed box 1 are installed with heating pipe assembly 101, the both sides of sealed box 1 are set up with the air outlet groove 102, and the top of sealed box 1 is equipped with the air inlet groove 103, and the both sides of sealed box 1 are installed with the air outlet cover 104, and the top of sealed box 1 is installed with the air inlet cover 105, the inner end of air inlet groove 103 is at the side of heating pipe assembly 101, the inside sliding of sealed box 1 is installed with guide bracket 2, and the back end of sealed box 1 bottom is installed with drive motor, and the output of drive motor is installed with drive rod 202 through sealed box 1 bottom, the outside of air outlet cover 104 is at the air outlet groove 102, the outside of air inlet cover 105 is at the air inlet groove 103, and the input of drive pump of sealed box 1 back end is installed with air inlet pipe 107, and the output of drive pump is installed with air outlet pipe 106, and the side end of air outlet pipe 106 is connected with the side of air outlet cover 104, and the side end of air inlet pipe 107 is connected with the side of air inlet cover 105.

[0031] In the embodiment, when the lamp glass product is annealed, the glass product is placed in the sealed box 1, the heating pipe assembly 101 on both sides of the sealed box 1 is heated, the cabinet door at the front end of the sealed box 1 is closed to seal, the sealed box 1 is in a fully sealed structure, the drive pump at the back of the sealed box 1 works, the airflow generated by the drive pump enters the inside of the air outlet cover 104 through the air outlet pipe 106, the airflow flows out through the air outlet groove 102, the air outlet groove 102 blows the heat on the heating pipe assembly 101 to the glass product, the glass product is evenly heated, the problem of uneven heating of the glass product caused by local overheating is prevented, the excess heat flows upward into the inside of the air inlet cover 105 through the air inlet groove 103, the airflow flows back to the drive pump through the air inlet pipe 107 and circulates again, the glass product is evenly heated, and the quality of the annealing of the glass product is improved.

[0032] In the embodiment two, on the basis of the embodiment one, the inner end bottom of the guide support 2 is provided with a guide plate 201, wherein the bottom of the guide plate 201 is rotatably provided with a guide wheel, the guide wheel is rotatably arranged at the inner bottom of the sealing box 1; the bottom of the rear side of the guide support 2 is rotatably provided with a rotating rod 203; the top of the rotating rod 203 is provided with a gear, and the bottom of the rotating rod 203 is provided with a slot, the top of a driving rod 202 is slidably arranged in the slot of the bottom of the rotating rod 203; when the lamp glass product is annealed, the inner end bottom of the guide support 2 is supported by the guide plate 201, the guide wheel at the bottom of the guide plate 201 reduces the friction of the guide plate 201, the guide support 2 moves in the sealing box 1, the glass product is placed in the guide support 2, the top of the driving rod 202 is inserted into the slot at the bottom of the rotating rod 203, the driving motor at the bottom of the sealing box 1 drives the driving rod 202 to rotate, thereby driving the rotating rod 203 to rotate, the gear at the top of the rotating rod 203 can drive the storage rack 3 to rotate to uniformly heat the placed glass product.

[0033] In the embodiment three, on the basis of the embodiment one, the inner side of the guide support 2 is rotatably provided with a storage rack 3; the bottom of the outer side of the storage rack 3 is provided with a gear, the gear is engaged with the gear at the top of the rotating rod 203, and the side of the storage rack 3 is provided with two guide rods 301 at opposite positions; the inner side of the storage rack 3 is slidably provided with a supporting plate 302; the side of the supporting plate 302 is slidably arranged at the outer side of the guide rod 301, and the connecting plate 303 is arranged between the three supporting plates 302; the connecting plate 303 is slidably arranged at the outer side of the guide rod 301; the bottom of the upper two supporting plates 302 is rotatably provided with an adjusting rod 304; the outer side of the adjusting rod 304 is provided with a movable plate 305; the movable plate 305 is slidably arranged at the bottom of the supporting plate 302, and the bottom of the movable plate 305 is rotatably provided with a supporting plate 306; the bottom of the supporting plate 306 is rotatably provided with a fixed plate 307; the fixed plate 307 is slidably arranged at the outer side of the connecting plate 303; when the lamp glass product is annealed, the glass product is placed on the supporting plate 302 after the supporting plate 302 moves upward, the bottom of the upper supporting plate 302 is rotatably provided with the adjusting rod 304 to drive the two movable plates 305 to move synchronously, the bottom of the movable plate 305 drives the fixed plate 307 to move downward through the supporting plate 306, the fixed plate 307 moves downward to fix the upper side of the placed glass product, thereby ensuring the stability of the glass product, the supporting plate 302 and the connecting plate 303 move downward along the guide rod 301, so that the glass product is placed in the storage rack 3, the glass product is uniformly heated after the storage rack 3 rotates, thereby improving the annealing quality of the glass product.

[0034] The working principle of the embodiment is as follows: the annealed glass product is placed on the supporting plate 302, the two movable plates 305 are synchronously moved by rotating the adjusting rod 304, the movable plate 305 pushes the fixed plate 307 to move downward to fix the placed glass product through the supporting plate 306, the supporting plate 302 and the connecting plate 303 move downward along the guide rod 301, the glass product is placed in the storage rack 3, the guide bracket 2 moves in the inside of the sealed box body 1, the top of the driving rod 202 is inserted into the slot at the bottom of the rotating rod 203, the driving motor at the bottom of the sealed box body 1 drives the rotating rod 203 to rotate through the driving rod 202, the gear at the top of the rotating rod 203 drives the storage rack 3 to rotate, so that the placed glass product is uniformly heated, the heating pipe assembly 101 at the two sides in the sealed box body 1 is heated, the cabinet door at the front end of the sealed box body 1 is closed to be sealed, the airflow generated by the driving pump at the rear side of the sealed box body 1 enters into the air outlet cover 104 through the air outlet pipe 106, the airflow flows out through the multiple air outlet grooves 102 to blow the heat on the heating pipe assembly 101 to the glass product, so that the problem of local overheating is prevented, the excessive heat flows upward through the air inlet groove 103, flows back to the driving pump through the air inlet cover 105 and the air inlet pipe 107 and circulates again, the glass product is uniformly heated, and the quality of the annealed glass product is improved.

[0035] In this paper, the following points need attention:

[0036] 1. The embodiment of the utility model relates to only the structure involved in the embodiment of the utility model, and other structures can refer to the general design.

[0037] 2. In the case of no conflict, the embodiments and the features in the embodiments can be combined to obtain new embodiments.

[0038] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A fully-closed annealing furnace comprising: Sealing box (1), the side of the sealing box (1) is provided with a control box, the rear side of the sealing box (1) is provided with a driving pump, and the inside of the sealing box (1) is provided with a heating pipe assembly (101) on both sides thereof; characterized in that, the both sides of the sealing box (1) are provided with air outlet grooves (102), the top of the sealing box (1) is provided with an air inlet groove (103), the both sides of the sealing box (1) are provided with air outlet covers (104), and the top of the sealing box (1) is provided with an air inlet cover (105); the inner end of the air inlet groove (103) is located at the side of the heating pipe assembly (101); the inside of the sealing box (1) is slidably provided with a guide bracket (2); the rear end of the bottom of the sealing box (1) is provided with a driving motor, the output end of the driving motor is provided with a driving rod (202) penetrating through the bottom of the sealing box (1), and the inner side of the guide bracket (2) is rotatably provided with a storage rack (3).

2. The sealed anneal furnace of claim 1, wherein, The air outlet cover (104) is located at the outer side of the air outlet groove (102); the air inlet cover (105) is located at the outer side of the air inlet groove (103); the input end of the driving pump at the rear end of the sealing box (1) is provided with an air inlet pipe (107), and the output end of the driving pump is provided with an air outlet pipe (106); the side end of the air outlet pipe (106) is connected with the side of the air outlet cover (104).

3. The sealed anneal furnace of claim 2, wherein, The side end of the air inlet pipe (107) is connected with the side of the air inlet cover (105); the inner end of the bottom of the guide bracket (2) is provided with a guide plate (201), wherein the bottom of the guide plate (201) is rotatably provided with a guide wheel, and the guide wheel is rotatably arranged at the inner bottom of the sealing box (1).

4. The sealed anneal furnace of claim 3, wherein, The rear bottom of the guide bracket (2) is rotatably provided with a rotating rod (203); the top of the rotating rod (203) is provided with a gear, and the bottom of the rotating rod (203) is provided with a slot, and the top of the driving rod (202) is slidably arranged in the slot of the bottom of the rotating rod (203).

5. The sealed anneal furnace of claim 4, wherein, The bottom of the storage rack (3) is provided with a gear, the gear is engaged with the gear at the top of the rotating rod (203), and the side of the storage rack (3) is provided with two guide rods (301) at opposite positions; the inner side of the storage rack (3) is slidably provided with a supporting plate (302).

6. The sealed anneal furnace of claim 5, wherein, The side of the supporting plate (302) is slidably arranged at the outer side of the guide rod (301), and a connecting plate (303) is arranged between three supporting plates (302); the connecting plate (303) is slidably arranged at the outer side of the guide rod (301); the bottom of each of the upper two supporting plates (302) is rotatably provided with an adjusting rod (304); the outer side of the adjusting rod (304) is provided with a movable plate (305).

7. The sealed anneal furnace of claim 6, wherein, The movable plate (305) is slidably arranged at the bottom of the supporting plate (302), and the bottom of the movable plate (305) is rotatably provided with a supporting plate (306); the bottom of the supporting plate (306) is rotatably provided with a fixed plate (307); the fixed plate (307) is slidably arranged at the outer side of the connecting plate (303).