CN221724716U - Air-floating type oven with waste heat recovery function - Google Patents

Abstract

The utility model provides an air-floating oven with a waste heat recovery function, which relates to the technical field of ovens, and includes a box body, a heater is arranged on one side of the inner wall of the box body, a box door is hinged on one side of the box body, an exhaust pipe is fixedly installed on the upper surface of the box body, and an exhaust fan is arranged in the exhaust pipe. In the utility model, when the drying work is in progress, the staff turns on the exhaust fan to direct the airflow into the exhaust pipe, so that the waste heat airflow enters the heat exchanger, and then the staff starts the air intake fan to direct the outside air into the heat exchanger, and the heat exchanger transfers the heat to the outside air, and the preheated air enters the inside of the box body through the connecting pipe, which reduces the energy consumption of reheating, thereby realizing the recovery and utilization of the waste heat generated during the drying work, thereby avoiding the waste of these heat, resulting in the waste heat resources not being utilized.

Description

An air flotation oven with waste heat recovery function

Technical Field

The utility model relates to the technical field of ovens, in particular to an air-floating oven with a waste heat recovery function.

Background Art

An air flotation oven is a device that uses the principle of air buoyancy for drying. Compared with traditional drying methods, the heat transfer efficiency is higher and the drying time can be greatly shortened. The air flotation oven provided by the patent CN202123030995.0 includes a frame, and bellows are fixed on the upper and lower sides of the frame. Air guide plates are fixed on the upper and lower sides of the frame, and a plurality of air outlets are provided on the air guide plates, which are staggered relative to the air outlets. The above-mentioned utility model has the following advantages and effects: The above-mentioned scheme utilizes a new mechanical structure to achieve the purpose of improving practicality.

However, when the above technical solution is used in the above air flotation oven, since the above air flotation oven is not provided with a waste heat recovery structure, part of the waste heat in the oven during the drying process is discharged with the exhaust fan, resulting in a waste of heat and failure to utilize the waste heat resources.

Utility Model Content

The main purpose of the utility model is to provide an air-floating drying oven with a waste heat recovery function, which can effectively solve the problem that the air-floating drying oven in the background technology is not provided with a waste heat recovery structure, resulting in a part of the waste heat in the drying oven being discharged with the exhaust fan during the drying process, resulting in a waste of heat and the waste heat resources cannot be utilized.

In order to achieve the above purpose, the technical solution adopted by the utility model is:

An air-floating oven with waste heat recovery function comprises a box body, a heater is arranged on one side of the inner wall of the box body, and a box door is hingedly connected to one side of the box body through a hinge;

An exhaust pipe is fixedly installed on the upper surface of the box, an exhaust fan is arranged in the exhaust pipe, a heat exchanger is installed on one side of the box through a support frame, an air intake pipe is fixedly installed at the output end of the heat exchanger, and an air intake fan is arranged in the air intake pipe;

The output end of the heat exchanger is fixedly connected to the box body through a connecting pipe.

Preferably, one end of the exhaust pipe extends into the interior of the box and is fixedly mounted with a horn.

Preferably, a filter plate is fixedly installed at the pipe opening of the exhaust pipe close to the horn.

Preferably, one end of the connecting pipe extends into the box body and is fixedly mounted with a bellows, and a ventilation slot is formed through the inner wall of the bellows on the side close to the heater;

A first triangular plate is fixedly installed between two sides of the inner wall of the bellows.

Preferably, second triangular plates are fixedly mounted on both sides of the inner wall of the bellows.

Preferably, a plurality of support plates are fixedly mounted on one side of the inner wall of the box.

Compared with the prior art, the utility model has the following beneficial effects:

(1) When the drying process is in progress, the staff turns on the exhaust fan to direct the airflow into the exhaust pipe, so that the waste heat airflow enters the heat exchanger. Then the staff turns on the air intake fan to direct the outside air into the heat exchanger. The heat exchanger transfers the heat to the outside air. The preheated air enters the box through the connecting pipe, reducing the energy consumption of reheating, thereby realizing the recovery and utilization of the waste heat generated during the drying process, thereby avoiding the waste of this heat and causing the waste heat resources to be unutilized.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of an air-floating oven with waste heat recovery function according to the present invention;

FIG2 is a schematic diagram of a top view of an air-floating oven with a waste heat recovery function according to the present invention;

Fig. 3 is a schematic diagram of the cross-sectional structure of the air-floating oven with waste heat recovery function in Fig. 2 taken at A-A.

In the figure: 1, box body; 101, hinge; 102, box door; 2, heater; 3, exhaust pipe; 301, exhaust fan; 4, support frame; 401, heat exchanger; 402, air intake pipe; 403, air intake fan; 5, connecting pipe; 6, horn; 7, bellows; 701, ventilation slot; 702, first triangular plate; 703, second triangular plate; 8, support plate; 9, filter plate.

DETAILED DESCRIPTION

The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

As shown in Fig. 1 to Fig. 3, the embodiment of the utility model proposes an air-floating oven with waste heat recovery function, including a box body 1, and a pressure balancing device is arranged inside the box body 1 to adjust the internal pressure balance, so as to avoid the box body 1 from being damaged due to the pressure imbalance inside the box body 1. A heater 2 is arranged on one side of the inner wall of the box body 1, and a door 102 is hingedly connected to one side of the box body 1 through a hinge 101;

An exhaust pipe 3 is fixedly installed on the upper surface of the box body 1, and an exhaust fan 301 is arranged in the exhaust pipe 3. A heat exchanger 401 is installed on one side of the box body 1 through a support frame 4. An air intake pipe 402 is fixedly installed at the output end of the heat exchanger 401, and an air intake fan 403 is arranged in the air intake pipe 402.

The output end of the heat exchanger 401 is fixedly connected to the box body 1 through the connecting pipe 5.

The staff turns on the heater 2 to generate high-temperature gas to dry the material inside the box 1. When the drying work is in progress, the staff turns on the exhaust fan 301 to direct the airflow into the exhaust pipe 3, so that the waste heat airflow enters the heat exchanger 401. Then the staff starts the air intake fan 403 to direct the outside air into the heat exchanger 401. The heat exchanger 401 transfers the heat to the outside air, and the preheated air enters the inside of the box 1 through the connecting pipe 5, reducing the energy consumption for reheating, thereby realizing the recovery and utilization of the waste heat generated during the drying work, avoiding the waste of heat and causing the waste heat resources to be unutilized.

In another embodiment of the present invention, one end of the exhaust pipe 3 extends into the interior of the box body 1 and is fixedly mounted with a horn 6 .

By providing the trumpet 6, the inlet area of the exhaust pipe 3 is enlarged, and the air intake amount of the exhaust pipe 3 after the exhaust fan 301 is turned on is increased, thereby improving the air intake conditions and improving the waste heat recovery efficiency.

In another embodiment of the present invention, a filter plate 9 is fixedly installed at the pipe opening of the exhaust pipe 3 close to the horn 6 .

By providing the filter plate 9, waste gas particles in the residual heat flow are prevented from entering the exhaust pipe 3, thereby ensuring the cleanliness of the inner wall of the exhaust pipe 3 and avoiding the exhaust pipe 3 from being blocked, which would cause the air intake effect to be adversely affected.

One end of the connecting pipe 5 extends into the box body 1 and is fixedly mounted with a bellows 7, and a ventilation slot 701 is formed through the inner wall of the bellows 7 near the heater 2;

A first triangular plate 702 is fixedly installed between two sides of the inner wall of the bellows 7 .

Second triangular plates 703 are fixedly mounted on both sides of the inner wall of the bellows 7 .

The preheated hot air flow discharged from the connecting pipe 5 enters the bellows 7, and then the air flow is accurately transported to the location of the material through the ventilation slot 701 under the guidance of the first triangular plate 702 and the second triangular plate 703. Under the guidance of the first triangular plate 702 and the second triangular plate 703, the staff can control the flow direction of the hot air flow so that it flows along a predetermined path, avoiding the turbulence and dissipation that may occur when the hot air flow flows directly.

In another embodiment of the present invention, a plurality of support plates 8 are fixedly mounted on one side of the inner wall of the box body 1 .

By providing the support plate 8, it is convenient for the material to be lifted and for the staff to take and place the material.

The working principle of this air flotation oven with waste heat recovery function:

When in use, the staff turns on the heater 2 to generate high-temperature gas to dry the material inside the box 1. When the drying work is in progress, the staff turns on the exhaust fan 301 to direct the airflow into the exhaust pipe 3, so that the waste heat airflow enters the heat exchanger 401. Then the staff starts the air intake fan 403 to direct the outside air into the heat exchanger 401. The heat exchanger 401 transfers the heat to the outside air, and the preheated air enters the inside of the box 1 through the connecting pipe 5, reducing the energy consumption for reheating, thereby realizing the recovery and utilization of the waste heat generated during the drying work, avoiding the waste of heat and causing the waste heat resources to not be utilized.

Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims (6)

1. Air supporting formula oven with waste heat recovery function, including box (1), its characterized in that: a heater (2) is arranged on one side of the inner wall of the box body (1), and a box door (102) is hinged on one side of the box body (1) through a hinge (101);

An exhaust pipe (3) is fixedly arranged on the upper surface of the box body (1), an exhaust fan (301) is arranged in the exhaust pipe (3), a heat exchanger (401) is arranged on one side of the box body (1) through a supporting frame (4), an air inlet pipe (402) is fixedly arranged at the output end of the heat exchanger (401), and an air inlet fan (403) is arranged in the air inlet pipe (402);

The output end of the heat exchanger (401) is fixedly connected with the box body (1) through a connecting pipe (5).

2. An air-floating oven with waste heat recovery function according to claim 1, characterized in that: one end of the exhaust pipe (3) extends into the box body (1) and is fixedly provided with a horn (6).

3. An air-floating oven with waste heat recovery function according to claim 2, characterized in that: the filter plate (9) is fixedly arranged at the pipe orifice of the exhaust pipe (3) close to the horn (6).

4. An air-floating oven with waste heat recovery function according to claim 1, characterized in that: one end of the connecting pipe (5) extends into the box body (1) and is fixedly provided with an air box (7), and a ventilation groove (701) is formed in the inner wall of the air box (7) near the surface of one side of the heater (2) in a penetrating manner;

a first triangular plate (702) is fixedly arranged between two sides of the inner wall of the air box (7).

5. The air-floating type oven with the waste heat recovery function according to claim 4, wherein: and second triangular plates (703) are fixedly arranged on two sides of the inner wall of the air box (7).

6. An air-floating oven with waste heat recovery function according to claim 1, characterized in that: a plurality of supporting plates (8) are fixedly arranged on one side of the inner wall of the box body (1).