Tubular energy-saving box

Abstract

The utility model discloses a tubular energy-saving box which comprises an outer box body and a heat exchange structure arranged in the outer box body, two sides of the outer box body are respectively provided with a cold end air inlet and a hot end air outlet, one end wall of the outer box body is provided with a waste heat air inlet and a waste heat air outlet, and the other end wall of the outer box body is provided with a hot end air outlet. The heat exchange structure comprises an inner box body, a plurality of partition plates and a plurality of round pipes, one end of the inner box body is provided with an opening communicated with the waste heat air inlet and the waste heat air outlet, the partition plates are vertically arranged in the inner box body at intervals in the horizontal direction, and the round pipes are horizontally and evenly distributed in the inner box body in the vertical direction. And the two ends of each round pipe penetrate through the partition plates and the side wall of the inner box body to communicate with the cold end air inlet and the hot end air outlet correspondingly. Waste heat of the oven is discharged into the inner oven body from the waste heat air inlet, cold air in the round pipe is wrapped and heated by hot air around the round pipe, the heated air is fed into the oven, energy consumption of the oven is reduced, and cost saving, energy saving and environmental protection are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of energy saving and environmental protection, in particular to a tube-type energy-saving box. Background Art

[0002] At present, in the manufacturing process of electronic products such as PCB boards and touch panels (glass), there are multiple processes that use baking equipment to bake and cure electronic products, such as hot air circulation ovens. However, existing hot air circulation ovens are usually large in size, consume a lot of energy, and have low baking efficiency. At the same time, they also generate a large amount of high-temperature exhaust gas and directly discharge it, which not only increases the production cost of manufacturing products, but also causes the working environment to deteriorate, which is not energy-saving and environmentally friendly. Utility Model Content

[0003] The utility model aims to provide a tube-type energy-saving box which reduces the energy consumption of an oven and is energy-saving and environmentally friendly, so as to solve the problems in the above background technology that the high energy consumption of oven baking leads to high production costs and is not energy-saving and environmentally friendly.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A tube-in-tube energy-saving box comprises an outer box body and a heat exchange structure arranged in the outer box body, a cold-end air inlet and a hot-end air outlet are respectively arranged on both sides of the outer box body, a waste heat air inlet and a waste heat air outlet are opened on one end wall of the outer box body, the heat exchange structure comprises an inner box body, a plurality of partitions and a plurality of circular tubes, the inner box body is embedded in the outer box body, one end of the inner box body is respectively provided with openings connected to the waste heat air inlet and the waste heat air outlet, a plurality of the partitions are erected in the inner box body at intervals in the horizontal direction, a plurality of the circular tubes are horizontally evenly distributed in the inner box body in the vertical direction, and the two ends of each of the circular tubes pass through the plurality of the partitions and the side walls of the inner box body and are respectively connected to the cold-end air inlet and the hot-end air outlet.

[0006] Preferably, one end of each of the two adjacent partitions forms an air duct with the inner wall of the outer box body, and the two air ducts are respectively adjacent to the two side walls of the outer box body, so that the hot air passing through the air duct and flowing between the two adjacent partitions flows in a maze-like manner.

[0007] Preferably, the plurality of circular tubes are staggered and spaced at equal intervals.

[0008] Preferably, both sides of the outer box body are provided with air collecting hoods, one end of the air collecting hood is connected with one end of the plurality of circular tubes, and the other end is provided with the cold end air inlet or the hot end air outlet.

[0009] Preferably, it includes a waste heat input structure, which includes a first three-way pipe and a first damper driver, the first pipe end of the first three-way pipe is connected to the waste heat air inlet, a first automatic damper is arranged in the pipe of the first pipe end of the first three-way pipe, and the first damper driver is arranged on the pipe wall of the first pipe end of the first three-way pipe and connected to the first automatic damper.

[0010] Preferably, it includes a waste heat output structure, which includes a second three-way pipe and a second damper driver, the first pipe end of the second three-way pipe is connected to the waste heat outlet, a second automatic damper is arranged in the pipe at the first pipe end of the second three-way pipe, and the second damper driver is arranged on the pipe wall of the first pipe end of the second three-way pipe and connected to the second automatic damper.

[0011] Preferably, the second pipe end of the second three-way pipe is connected to the second pipe end of the first three-way pipe, and a third automatic damper and a third damper driver are respectively provided in the pipe and on the pipe wall at the connection, and the third damper driver is connected to the third automatic damper.

[0012] Preferably, it includes a cold-end air inlet structure, which includes a fourth three-way pipe and a fourth damper driver. The first pipe end of the fourth three-way pipe is connected to the cold-end air inlet, and a fourth automatic damper is arranged in the pipe of the first pipe end of the fourth three-way pipe. The fourth damper driver is arranged on the pipe wall of the first pipe end of the fourth three-way pipe and is connected to the fourth automatic damper.

[0013] Preferably, the cold end air inlet structure includes an air supply chassis, and the third pipe end of the fourth three-way pipe is connected to the air supply chassis.

[0014] Preferably, it includes a hot end air outlet structure, which includes a sixth three-way pipe and a sixth damper driver, the first pipe end of the sixth three-way pipe is connected to the hot end air outlet, a sixth automatic damper is arranged in the pipe of the first pipe end of the sixth three-way pipe, and the sixth damper driver is arranged on the pipe wall of the first pipe end of the sixth three-way pipe and is connected to the sixth automatic damper.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: by discharging the waste heat of the oven into the inner box from the waste heat air inlet, and the hot air flows in a maze-like manner between two adjacent partitions, the residence time of the hot air in the inner box is increased, so that the cold air in the circular tube is fully wrapped and heated by the hot air around it, thereby improving the heat exchange efficiency; the heated air is then sent to the oven for circulating heating, and the waste heat after the heat exchange is directly or filtered and discharged into the outside air, thereby reducing the energy consumption of the oven, and having the advantages of cost saving and energy saving and environmental protection.

[0016] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide further understanding of the present disclosure and constitute a part of the specification. They are used to explain the present disclosure together with the following detailed description, but do not constitute a limitation of the present disclosure.

[0018] Figure 1 It is a three-dimensional diagram of the tubular energy-saving box of the utility model;

[0019] Figure 2 This is an exploded view of the tubular energy-saving box of the utility model;

[0020] Figure 3 It is a cross-sectional view of the tubular energy-saving box of the utility model from a top view;

[0021] Figure 4 for Figure 3 The enlarged view of F in the middle;

[0022] Figure 5 It is a three-dimensional diagram of the heat exchange structure of the utility model;

[0023] Figure 6 It is a side view of the heat exchange structure of the utility model.

[0024] In the figure: 1-outer box; 11-wind collecting hood; a-cold end air inlet; b-hot end air outlet; c-waste heat air inlet; d-waste heat air outlet; 2-heat exchange structure; 21-inner box; 211-fixed plate; 212-side plate; 22-partition plate; 23-circular tube; 24-air duct; 3-waste heat input structure; 31-first three-way pipe; 32-first damper driver; 4-waste heat output structure; 41-second three-way pipe; 42-second damper driver; 5-third damper driver; 6-cold end air inlet structure; 61-fourth three-way pipe; 62-fourth damper driver; 63-fifth damper driver; 64-air supply chassis; 7-hot end air outlet structure; 71-sixth three-way pipe; 72-sixth damper driver; 73-seventh damper driver. DETAILED DESCRIPTION

[0025] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0026] In the description of the present disclosure, it should be understood that the terms "upper", "lower" and the like indicate positions or location relationships based on Figure 1The directions of the drawings shown are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, a specific orientation structure and operation, and therefore cannot be understood as limiting the present disclosure. In addition, the terms "inside" and "outside" refer to the inside and outside of the corresponding structural contours. In addition, the terms "first", "second", etc. are only used to distinguish one element from another element and do not have order and importance.

[0027] In the description of the present disclosure, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connect", "connected", and "installed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.

[0028] See also Figure 1-6 A tube-in-tube energy-saving box includes an outer box 1 and a heat exchange structure 2 arranged in the outer box 1. The outer box 1 is provided with a cold-end air inlet a and a hot-end air outlet b on both sides, and a waste heat air inlet c and a waste heat air outlet d are provided on one end wall of the outer box 1. The heat exchange structure 2 includes an inner box 21, a plurality of partitions 22 and a plurality of round tubes 23. The inner box 21 is embedded in the outer box 1. One end of the inner box 21 is provided with openings that communicate with the waste heat air inlet c and the waste heat air outlet d on the end wall of the outer box 1. A plurality of the partitions 22 are erected in the inner box 21 at intervals in the horizontal direction, and a plurality of the round tubes 23 are evenly distributed in the inner box 21 in the vertical direction, and the two ends of each of the round tubes 23 pass through a plurality of the partitions 22 and the side walls of the inner box 21 to communicate with the cold-end air inlet a and the hot-end air outlet b respectively.

[0029] See also Figure 3-4 One end of each of the two adjacent partitions 22 forms an air duct 24 with the inner wall of the outer box body 1, and the two air ducts 24 are respectively adjacent to the two side walls of the outer box body 1, so that the hot air passing through the air duct 24 and flowing between the two adjacent partitions 22 flows in a maze-like manner, which increases the residence time of the hot air in the inner box body 21 and improves the heat exchange efficiency.

[0030] Preferably, see Figure 5-6 The circular tubes 23 are staggered and spaced at equal intervals, so that the cold air in the circular tubes 23 is heated evenly.

[0031] Preferably, the inner box 21 includes two fixed plates 211 and two side plates 212, the two fixed plates 211 are arranged in parallel at the top and bottom, and the two side plates 212 are connected to the two fixed plates 211 and are respectively located at the two ends of the fixed plates 211. The two ends of a plurality of the partitions 22 are respectively connected to the two fixed plates 211, and the two ends of a plurality of the round tubes 23 are respectively connected to the two side plates 212 and penetrate to the side of the side plates 212. In this embodiment, the inner box 21 is detachably connected to the outer box 1, which is convenient for cleaning and replacement, and the fixed plates 211, the side plates 212, the partitions 22 and the round tubes 23 are also arranged as detachable structures.

[0032] See also Figure 1-3 Wind collecting hoods 11 are provided on both sides of the outer box body 1. One end of the wind collecting hood 11 is connected to one end of the plurality of circular tubes 23, and the other end is provided with the cold end air inlet a or the hot end air outlet b. The wind collecting hood 11 is used to collect airflow and guide the airflow.

[0033] The tube-in-tube energy-saving box includes a waste heat input structure 3, which includes a first three-way pipe 31 and a first damper driver 32. The first three-way pipe 31 has three pipe ends, and the first pipe end of the first three-way pipe 31 is connected to the waste heat air inlet c. A first automatic damper is arranged in the pipe of the first pipe end of the first three-way pipe 31. The first damper driver 32 is arranged on the pipe wall of the first pipe end of the first three-way pipe 31, and is connected to the first automatic damper, and is used to automatically control the first automatic damper to open and close the first three-way pipe 31, and can also control the amount of air intake, and can achieve the purpose of controlling air intake and exhaust according to different needs.

[0034] See also Figure 1-3 The tube-in-tube energy-saving box includes a waste heat output structure 4, which includes a second three-way pipe 41 and a second damper driver 42. The first pipe end of the second three-way pipe 41 is connected to the waste heat outlet d, and a second automatic damper (not shown) is arranged in the pipe at the first pipe end of the second three-way pipe 41. The second damper driver 42 is arranged on the pipe wall of the first pipe end of the second three-way pipe 41 and is connected to the second automatic damper.

[0035] Preferably, the second end of the second three-way pipe 41 is connected to the second end of the first three-way pipe 31, and a third automatic damper and a third damper driver 5 are respectively arranged in the pipe and on the pipe wall at the connection, and the third damper driver 5 is connected to the third automatic damper. The third end of the first three-way pipe 31 is connected to the exhaust end of the oven (not shown), and the third end of the second three-way pipe 41 is connected to the outside air.

[0036] See also Figure 1-3The tube-in-tube energy-saving box includes a cold-end air inlet structure 6, which includes a fourth three-way pipe 61 and a fourth damper driver 62. The first pipe end of the fourth three-way pipe 61 is connected to the cold-end air inlet a, and a fourth automatic damper is arranged in the pipe at the first pipe end of the fourth three-way pipe 61. The fourth damper driver 62 is arranged on the pipe wall of the first pipe end of the fourth three-way pipe 61 and is connected to the fourth automatic damper. The second pipe end of the fourth three-way pipe 61 is connected to the outside air. In addition, a fifth automatic damper is arranged in the pipe at the second pipe end of the fourth three-way pipe 61, and a fifth damper driver 63 connected to the fifth automatic damper is arranged on the pipe wall of the second pipe end of the fourth three-way pipe 61.

[0037] Preferably, the cold end air inlet structure 6 includes an air supply box 64 for providing room temperature air or cold air, and the third pipe end of the fourth three-way pipe 61 is connected to the air supply box 64. In this embodiment, the wind speed and air volume of the air supply box 64 can be adjusted according to actual needs.

[0038] The tube-in-tube energy-saving box includes a hot-end air outlet structure 7, which includes a sixth three-way pipe 71 and a sixth damper driver 72. The first pipe end of the sixth three-way pipe 71 is connected to the hot-end air outlet b, and a sixth automatic damper is arranged in the pipe of the first pipe end of the sixth three-way pipe 71. The sixth damper driver 72 is arranged on the pipe wall of the first pipe end of the sixth three-way pipe 71 and is connected to the sixth automatic damper. The second pipe end of the sixth three-way pipe 71 is connected to the outside air, and a seventh automatic damper is arranged in the pipe of the second pipe end of the sixth three-way pipe 71. The seventh damper driver 73 connected to the seventh automatic damper is arranged on the pipe wall of the second pipe end of the sixth three-way pipe 71, and the third pipe end of the sixth three-way pipe 71 is connected to the air inlet end of the oven.

[0039] The working principle of the utility model tube-type energy-saving box is: Figure 1-4, the air supply box 64 sends cold air into the plurality of round tubes 23 in the inner box body 21 through the fourth three-way pipe 61 and the air collecting cover 11. In this process, the fourth damper driver 62 and the fifth damper driver 63 respectively control the opening and closing of the fourth automatic damper and the fifth automatic damper, thereby controlling the opening and closing of the fourth three-way pipe 61 and controlling the size of its air intake; at the same time, the exhaust heat end of the oven sends the residual heat into the inner box body 21 through the first three-way pipe 31, and the hot air of the residual heat passes through the air duct 24 and flows in a maze-like manner between the adjacent partitions 22, so that the cold air in the round tube 23 is surrounded by it. The surrounding hot air fully covers and heats the cold air in the circular tube 23, and the hot air formed after the cold air in the circular tube 23 is heated is sent back to the air inlet end of the oven through the wind collecting hood 11 and the sixth three-way pipe 71 for recycling; and the residual heat after the heat exchange forms waste hot air, which is discharged into the outside air directly or after filtering from the second three-way pipe 41, thereby reducing the energy consumption of the oven, and has the advantages of cost saving and energy saving and environmental protection; it should also be noted that in the process of air intake and exhaust, the third automatic air door can be controlled to open and close according to demand through the third air door driver 5 to achieve the effect of controlling the size of the air intake and exhaust volume.

[0040] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0041] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0042] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A tube-type energy-saving box, characterized in that: The invention comprises an outer box (1) and a heat exchange structure (2) arranged in the outer box (1), wherein a cold end air inlet (a) and a hot end air outlet (b) are respectively arranged on both sides of the outer box (1), and a waste heat air inlet (c) and a waste heat air outlet (d) are opened on one end wall of the outer box (1), and the heat exchange structure (2) comprises an inner box (21), a plurality of partitions (22) and a plurality of circular tubes (23), and the inner box (21) is embedded in the outer box (1). One end of the inner box (21) is provided with openings connected to the waste heat air inlet (c) and the waste heat air outlet (d), a plurality of the partitions (22) are erected in the inner box (21) at intervals in the horizontal direction, a plurality of the circular tubes (23) are evenly distributed in the inner box (21) in the vertical direction, and two ends of each circular tube (23) pass through the plurality of the partitions (22) and the side wall of the inner box (21) to be connected to the cold end air inlet (a) and the hot end air outlet (b) respectively.

2. The tube-in-tube energy-saving box according to claim 1 is characterized in that: An air duct (24) is formed between one end of each of the two adjacent partitions (22) and the inner wall of the outer box body (1), and the two air ducts (24) are respectively adjacent to the two side walls of the outer box body (1), so that the hot air passing through the air duct (24) and flowing between the two adjacent partitions (22) flows in a labyrinthine manner.

3. The tube-type energy-saving box according to claim 1 is characterized in that: The plurality of circular tubes (23) are staggered and arranged at equal intervals.

4. The tube-in-tube energy-saving box according to claim 1 is characterized in that: Air collecting hoods (11) are provided on both sides of the outer box body (1); one end of the air collecting hood (11) is connected to one end of the plurality of circular tubes (23); and the other end is provided with the cold end air inlet (a) or the hot end air outlet (b).

5. The tube-in-tube energy-saving box according to claim 1 is characterized in that: The invention comprises a waste heat input structure (3), wherein the waste heat input structure (3) comprises a first three-way pipe (31) and a first damper driver (32), wherein the first pipe end of the first three-way pipe (31) is connected to the waste heat air inlet (c), a first automatic damper is arranged in the pipe at the first pipe end of the first three-way pipe (31), and the first damper driver (32) is arranged on the pipe wall of the first pipe end of the first three-way pipe (31) and is connected to the first automatic damper.

6. The tube-type energy-saving box according to claim 5, characterized in that: The invention comprises a waste heat output structure (4), wherein the waste heat output structure (4) comprises a second three-way pipe (41) and a second damper driver (42), wherein a first pipe end of the second three-way pipe (41) is connected to a waste heat outlet (d), a second automatic damper is arranged in a pipe at the first pipe end of the second three-way pipe (41), and the second damper driver (42) is arranged on a pipe wall at the first pipe end of the second three-way pipe (41) and is connected to the second automatic damper.

7. The tube-in-tube energy-saving box according to claim 6 is characterized in that: The second pipe end of the second three-way pipe (41) is connected to the second pipe end of the first three-way pipe (31), and a third automatic damper and a third damper driver (5) are respectively arranged in the pipe and on the pipe wall at the connection point, and the third damper driver (5) is connected to the third automatic damper.

8. The tube-in-tube energy-saving box according to claim 1, characterized in that: The invention comprises a cold end air inlet structure (6), wherein the cold end air inlet structure (6) comprises a fourth three-way pipe (61) and a fourth damper driver (62), wherein a first pipe end of the fourth three-way pipe (61) is connected to the cold end air inlet (a), a fourth automatic damper is arranged in the pipe at the first pipe end of the fourth three-way pipe (61), and the fourth damper driver (62) is arranged on the pipe wall of the first pipe end of the fourth three-way pipe (61) and is connected to the fourth automatic damper.

9. The tube-in-tube energy-saving box according to claim 8, characterized in that: The cold end air inlet structure (6) comprises an air supply box (64), and the third pipe end of the fourth three-way pipe (61) is connected to the air supply box (64).

10. The tube-in-tube energy-saving box according to claim 1, characterized in that: The invention comprises a hot end air outlet structure (7), wherein the hot end air outlet structure (7) comprises a sixth three-way pipe (71) and a sixth damper driver (72), wherein the first pipe end of the sixth three-way pipe (71) is connected to the hot end air outlet (b), a sixth automatic damper is arranged in the pipe at the first pipe end of the sixth three-way pipe (71), and the sixth damper driver (72) is arranged on the pipe wall of the first pipe end of the sixth three-way pipe (71) and is connected to the sixth automatic damper.

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