Air seal system for cold air return

Abstract

The utility model discloses an air seal system for cold air return. The air seal system comprises a support and an installation platform arranged on the top of the support. A box body is arranged on the inner side of the support and below the mounting platform, an air curtain fan is arranged at the top of the mounting platform, an air curtain air bellow is arranged at one end of the air curtain fan, an air curtain air inlet is formed in the top of the box body, and the bottom of the air curtain air bellow is connected to the air curtain air inlet through a pipeline; an external air return pipe is arranged on one side of the box body, a chamber body air return opening is formed in the top of the box body, and an adjusting plate is arranged on one side of the chamber body air return opening and moves in the horizontal direction to adjust the opening degree of the chamber body air return opening; according to the air sealing system adopting the form, fresh air in the drying furnace is effectively supplemented, the heating efficiency is greatly improved, the energy loss is reduced, smoke is effectively prevented from overflowing, for the structure of a straight-through furnace, heat overflowing is effectively avoided through the air sealing form, and even though a small amount of hot air is still overflowed, the air sealing effect is good. However, the air sealing effect is greatly improved compared with the conventional air sealing effect.

Description

Technical Field

[0001] The utility model relates to the technical field of air sealing, and more specifically to an air sealing system for returning cold air. Background Art

[0002] In the production process of automobile painting, the overflow of drying hot air has become a common problem of straight-through furnaces. To solve this problem, an air sealing system consisting of a box, a fan, an air inlet, a high-temperature filter, an air curtain area, a high-temperature filter, a mobile guide plate and a fixed guide plate is usually set at the entrance of the drying. The air curtain system uses hot air for circulation and blows it out at high speed through the mobile guide plate to form a waterfall shape, which has an air sealing effect. However, when the temperature is high, the air sealing effect will be greatly reduced, and even accompanied by smoke overflow. Utility Model Content

[0003] In order to solve at least one of the above technical problems, the utility model proposes an air sealing system for cold air return.

[0004] The utility model provides a first aspect of a cold air return air sealing system, comprising: a bracket and a mounting platform arranged on the top of the bracket;

[0005] A box is provided inside the bracket, the box is provided below the mounting platform, an air curtain fan is provided on the top of the mounting platform, an air curtain wind box is provided at one end of the air curtain fan, an air curtain air inlet is provided on the top of the box, and the bottom of the air curtain wind box is connected to the air curtain air inlet through a pipeline;

[0006] An external return air duct is arranged on one side of the box body, a chamber return air outlet is arranged on the top of the box body, and an adjustment plate is arranged on one side of the chamber return air outlet. The adjustment plate moves in a horizontal direction to adjust the opening of the chamber return air outlet.

[0007] In a preferred embodiment of the utility model, an air curtain filter is arranged at one end of the air curtain fan, and the air curtain filter is arranged inside the air curtain wind box.

[0008] In a preferred embodiment of the utility model, a circulation fan is arranged on the top of the installation platform, and the circulation fan is connected to the top of the box body.

[0009] In a preferred embodiment of the utility model, a burner is arranged on one side of the circulation fan, and a burner exhaust pipe is arranged on the top of the burner.

[0010] In a preferred embodiment of the utility model, an exhaust gas mechanism is provided at one end of the top of the installation platform, an air curtain smoke exhaust pipe is provided at one end of the top of the box body, and one end of the air curtain smoke exhaust pipe is connected to the exhaust gas mechanism.

[0011] In a preferred embodiment of the present invention, at least one heater is arranged inside the box.

[0012] In a preferred embodiment of the utility model, two reinforcing rods are arranged on the bracket, and the two reinforcing rods are hinged in an X shape.

[0013] The above technical solution of the utility model has the following advantages compared with the prior art:

[0014] The present application adopts this form of air sealing system, which effectively supplements the fresh air in the drying furnace, greatly improves the heating efficiency, reduces the energy loss, and effectively prevents the overflow of smoke. For the structure of the straight-through furnace, this air sealing form effectively avoids the overflow of heat. Although a small amount of hot gas still overflows, the previous air sealing effect has been greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, some of the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a front view of the air sealing system for cold air return of the utility model embodiment;

[0017] Figure 2 This is a top view of the air sealing system for cold air return of an embodiment of the utility model;

[0018] Figure 3 It is a schematic cross-sectional view of the BB embodiment of the present utility model.

[0019] In the figure, 1, box body, 2, air curtain exhaust pipe, 3, air curtain fan, 4, air curtain filter, 5, air curtain bellows, 6, circulating fan, 7, burner exhaust pipe, 8, burner, 9, exhaust gas mechanism, 10, installation platform, 11, bracket, 12, reinforcement rod, 13, chamber return air outlet; 14, air curtain air inlet, 15, external return air duct, 16, heater. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with specific implementation methods. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0022] Embodiment 1

[0023] See also Figure 1-Figure 3 As shown, the utility model provides a cold air return air sealing system, comprising: a bracket 11 and a mounting platform 10 arranged on the top of the bracket 11;

[0024] A box body 1 is arranged inside the bracket 11, and the box body 1 is arranged below the installation platform 10. An air curtain fan 3 is arranged on the top of the installation platform 10, and an air curtain bellows 5 is arranged at one end of the air curtain fan 3. An air curtain air inlet 14 is arranged on the top of the box body 1, and the bottom of the air curtain bellows 5 is connected to the air curtain air inlet 14 through a pipeline;

[0025] An external return air duct 15 is arranged on one side of the box body 1, a chamber return air port 13 is arranged on the top of the box body 1, and an adjustment plate is arranged on one side of the chamber return air port 13, and the adjustment plate moves in the horizontal direction to adjust the opening of the chamber return air port 13.

[0026] According to the embodiment of the utility model, an air curtain filter 4 is arranged at one end of the air curtain fan 3 , and the air curtain filter 4 is arranged inside the air curtain wind box 5 .

[0027] It should be noted that the number of air curtain filters 4 is configured according to the air volume of the air curtain fan 3. The air curtain filter 4 adopts a high-temperature filter, and the return air outlet is made into two air ducts, one is the chamber return air outlet 13, and the other is the external fresh air intake, that is, the external return air duct 15, which can effectively control the temperature of the fresh air entering the chamber, and can simply and effectively realize the switching of the two routes to meet various drying conditions.

[0028] According to the embodiment of the utility model, a circulation fan 6 is arranged on the top of the installation platform 10 , and the circulation fan 6 is connected to the top of the box body 1 .

[0029] According to the embodiment of the utility model, a burner 8 is arranged on one side of the circulation fan 6 , and a burner exhaust pipe 7 is arranged on the top of the burner 8 .

[0030] According to the embodiment of the utility model, an exhaust gas mechanism 9 is provided at one end of the top of the installation platform 10 , an air curtain smoke exhaust pipe 2 is provided at one end of the top of the box body 1 , and one end of the air curtain smoke exhaust pipe 2 is connected to the exhaust gas mechanism 9 .

[0031] According to the embodiment of the utility model, at least one heater 16 is arranged inside the box 1 .

[0032] According to the embodiment of the utility model, two reinforcing rods 12 are arranged on the bracket 11, and the two reinforcing rods 12 are hinged in an X shape.

[0033] To sum up, the present application adopts this form of air sealing system, which effectively supplements the fresh air in the drying furnace, greatly improves the heating efficiency, reduces energy loss, and effectively prevents the overflow of smoke. For the structure of the straight-through furnace, this air sealing form effectively avoids the overflow of heat. Although a small amount of hot air still overflows, the air sealing effect has been greatly improved compared with the previous one.

[0034] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0035] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to the above embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the above embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0036] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A cold air return air sealing system, comprising: A bracket and a mounting platform arranged on the top of the bracket; characterized in that: A box is provided inside the bracket, the box is provided below the mounting platform, an air curtain fan is provided on the top of the mounting platform, an air curtain wind box is provided at one end of the air curtain fan, an air curtain air inlet is provided on the top of the box, and the bottom of the air curtain wind box is connected to the air curtain air inlet through a pipeline; An external return air duct is arranged on one side of the box body, a chamber return air outlet is arranged on the top of the box body, and an adjustment plate is arranged on one side of the chamber return air outlet. The adjustment plate moves in a horizontal direction to adjust the opening of the chamber return air outlet.

2. The cold air return air sealing system according to claim 1, characterized in that: An air curtain filter is arranged at one end of the air curtain fan, and the air curtain filter is arranged inside the air curtain wind box.

3. The cold air return air sealing system according to claim 1, characterized in that: A circulation fan is arranged on the top of the installation platform and is connected to the top of the box.

4. The cold air return air sealing system according to claim 3, characterized in that: A burner is arranged on one side of the circulating fan, and a burner exhaust pipe is arranged on the top of the burner.

5. The cold air return air sealing system according to claim 1, characterized in that: An exhaust gas mechanism is arranged at one end of the top of the installation platform, an air curtain smoke exhaust pipe is arranged at one end of the top of the box body, and one end of the air curtain smoke exhaust pipe is connected to the exhaust gas mechanism.

6. The cold air return air sealing system according to claim 1, characterized in that: At least one heater is arranged inside the box.

7. The cold air return air sealing system according to claim 1, characterized in that: The bracket is provided with two reinforcing rods, which are hinged in an X shape.

Images