Gas air curtain machine

Abstract

The utility model belongs to the technical field of air curtain machines, and particularly relates to a gas air curtain machine which comprises a centrifugal fan and further comprises a heat exchange cavity fixedly installed at the bottom of the centrifugal fan, a heat exchange pipe fixedly arranged in the heat exchange cavity, a burner fixedly installed in the heat exchange pipe, an air outlet fixedly formed in the bottom of the heat exchange cavity, and a gas outlet fixedly formed in the bottom of the air outlet. Cold air can be collected through the centrifugal fan and enters the heat exchange cavity from shutter holes in the air curtain machine, the cold air is mixed with high-temperature flue gas after passing through the surfaces of the heat exchange pipes, generated warm air is blown out from the air outlet, fuel gas can be combusted through the combustor, the heat exchange efficiency is improved, and the heat exchange efficiency is improved. More cold air can be conveniently mixed with the heat exchange tubes for cooperative use, the number of the centrifugal fans is three, the power is large enough, the air volume is large, the air speed is high, the temperature rise is fast, and the centrifugal fans of different numbers can be arranged according to the lengths of different devices.

Description

Technical Field

[0001] The utility model belongs to the technical field of air curtain machines, and in particular relates to a gas air curtain machine. Background Art

[0002] A gas air curtain is an air purification device that uses a high-speed motor to drive a crossflow or centrifugal fan to generate a strong airflow, forming an invisible door curtain to isolate outdoor fumes, odors and dust, keep the room clean, and create a fresh and comfortable environment. This device is also called an air curtain machine, air curtain, air air curtain machine, air brake and air door. Gas air curtains are commonly used in commercial and industrial places to improve indoor air quality and reduce energy consumption. In addition, there are different types of air curtains according to different application scenarios. For example, an elevator air curtain is a wind curtain specially used for elevator doors, while a non-standard air curtain is a non-standard size air curtain customized according to customer needs. However, the existing gas air curtains have low power, slow heating, and poor efficiency in isolating cold air. Therefore, a gas air curtain is proposed.

[0003] For example, a Chinese patent with publication number CN205048639U discloses a gas air curtain machine, including a rectangular air curtain shell, a control box is installed on the top wall of the air curtain shell, an air inlet is provided on one side wall of the air curtain shell, a fan is installed at the air inlet, the air curtain shell is provided with an air outlet on the side wall opposite to the fan, a combustion tube and a return air tube are arranged in the air curtain shell, a burner connected to one port of the combustion tube and a negative pressure fan connected to one port of the return air tube are installed on the side wall at one end of the air curtain shell, a collecting box is installed on the inner side of the side wall at the other end of the air curtain shell, and the other port of the combustion tube and the other port of the return air tube are both connected to the collecting box.

[0004] The above patent has the following problems:

[0005] Compared with the electric heating and water heating of the air curtain machine in the prior art, the power is small, the temperature rises slowly, and the heating cannot be performed quickly. In addition, the wind pressure of the air curtain machine is small, the air cannot blow far, and the effect of isolating cold air is poor, which reduces the practicality of the air curtain machine. In addition, the air curtain machine in the prior art cannot be installed on doors of different sizes, cannot be installed according to the needs of users, and cannot be modularized, which also reduces the efficiency of the air curtain machine. In view of this, we propose a gas air curtain machine. Utility Model Content

[0006] The purpose of the utility model is to provide a gas air curtain machine with high power and adaptable to the installation of different doors in view of the above-mentioned technical problems.

[0007] In view of this, the utility model provides a gas air curtain machine, including a centrifugal fan, and also includes: a heat exchange chamber is fixedly installed at the bottom of the centrifugal fan, a heat exchange tube is fixedly arranged inside the heat exchange chamber, a burner is fixedly installed inside the heat exchange tube, an air outlet is fixedly arranged at the bottom of the heat exchange chamber, a fixed plate is fixedly installed at the bottom of the air outlet, connecting holes are fixedly arranged inside the fixed plates, a front plate is movably installed between the fixed plates, a side plate is movably installed on one side of the front plate, and the length of the air curtain machine is 2250mm.

[0008] Based on the above structure, cold air can be collected by the centrifugal fan and enter the heat exchange chamber from the louver holes on the air curtain. The cold air passes through the surface of the heat exchange tube and mixes with the high-temperature flue gas. The generated warm air is blown out from the air outlet. The burner can burn the gas to facilitate the mixing of more cold air with the heat exchange tube. When used together, three centrifugal fans are set. The power is large enough, the air volume is large, the wind speed is high, and the temperature rises quickly. The centrifugal fan can be equipped with different numbers of centrifugal fans according to the length of different equipment. One fan can be equipped according to multiples of 750mm, or the number of fans can be equipped according to multiples of other distance sizes. The wind pressure is large enough and the insulation The cooling air effect is better, which increases the practicality of the air curtain machine. The air curtain machine can be supported by the fixing plate, and then the front plate and the side plate are used for assembly. Then the fixing plate of the second air curtain machine is attached to the fixing plate of the first air curtain machine, and then fixed with external bolts, which is convenient for multiple air curtain machines to work. Working with the crane and the staff, the spliced ​​air curtain machine can be fixed to the working position of the gate. The air curtain machine can be spliced ​​and can be installed to adapt to gates of different sizes. It can be installed according to user needs and adopts modular combination to increase the use efficiency of the air curtain machine.

[0009] Preferably, a control box is fixedly installed on one side of the heat exchange chamber, a combustion fan is fixedly installed on the top of the control box, and an ignition needle is fixedly installed on the other side of the combustion fan to control the centrifugal fan to work.

[0010] Preferably, both ends of the front plate are movably mounted with mounting frames, support plates are movably mounted between the mounting frames, and second through holes are fixedly provided inside the mounting frames to facilitate the installation of the front plate side panels.

[0011] Preferably, a gas valve is fixedly provided on the other side of the installation frame, and a pipeline is fixedly provided on the top of the gas valve to facilitate the combustion of gas.

[0012] Preferably, the inside of each of the side panels is fixedly provided with an air inlet for ventilation.

[0013] Preferably, the fixing plates are installed with a total of M10*16 bolts and M10 nuts for fastening, so as to facilitate the fixing of the two devices.

[0014] The beneficial effects of the utility model are:

[0015] 1. The gas air curtain machine can use the centrifugal fan to collect cold air, and enter the heat exchange chamber from the louver holes on the air curtain machine. The cold air passes through the surface of the heat exchange tube and mixes with the high-temperature flue gas. The generated warm air is blown out from the air outlet. The burner can burn the gas to facilitate more cold air to mix with the heat exchange tube. When used together, three centrifugal fans are set, with sufficient power, large air volume, high wind speed, and fast heating. The centrifugal fan can be equipped with different numbers of centrifugal fans according to the length of different equipment. One fan can be equipped according to multiples of 750mm, or the number of fans can be equipped according to multiples of other distance sizes. The wind pressure is large enough, the effect of isolating cold air is better, and the practicality of the air curtain machine is increased.

[0016] 2. The gas air curtain machine can use the fixed plate to support the air curtain machine, and then use the front plate and side plate to assemble it, and then stick the fixed plate of the second air curtain machine to the fixed plate of the first air curtain machine, and then fix it with external bolts, so that multiple air curtain machines can be put into operation conveniently, and then work with the crane and the staff to fix the spliced ​​air curtain machines to the working position of the gate. The air curtain machines can be spliced ​​and can be installed on gates of different sizes. They can be installed according to user needs and adopt modular combination to increase the use efficiency of the air curtain machines. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall stereogram of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the utility model;

[0019] Figure 3 It is a partial side view structural diagram of the fixing plate in the utility model;

[0020] Figure 4 It is a three-dimensional diagram of the local structure of the centrifugal fan in the utility model;

[0021] Figure 5 It is a three-dimensional diagram of the local structure of the fixing plate in the utility model.

[0022] The symbols in the figure are:

[0023] 2. Centrifugal fan; 201. Heat exchange chamber; 202. Heat exchange tube; 203. Burner; 204. Air outlet; 3. Fixing plate; 301. Connection hole; 302. Front plate; 303. Side plate; 4. Control box; 401. Combustion fan; 402. Ignition needle; 5. Mounting frame; 501. Support plate; 502. Second through hole; 6. Gas valve; 601. Pipeline; 7. Air inlet. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in 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 in 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.

[0025] The present application embodiment discloses a gas air curtain machine, please refer to Figure 1-Figure 5 , including a centrifugal fan 2, a heat exchange chamber 201 is fixedly installed at the bottom of the centrifugal fan 2, a heat exchange tube 202 is fixedly arranged inside the heat exchange chamber 201, a burner 203 is fixedly installed inside the heat exchange tube 202, an air outlet 204 is fixedly arranged at the bottom of the heat exchange chamber 201, a fixing plate 3 is fixedly installed at the bottom of the air outlet 204, connecting holes 301 are fixedly arranged inside the fixing plates 3, a front plate 302 is movably installed between the fixing plates 3, a side plate 303 is movably installed on one side of the front plate 302, and the length of the air curtain is 2250 mm.

[0026] Based on the above structure, the centrifugal fan 2 can be used to collect cold air, which enters the heat exchange chamber 201 from the louver holes on the air curtain machine. The cold air passes through the surface of the heat exchange tube 202 and mixes with the high-temperature flue gas. The generated warm air is blown out from the air outlet 204. The burner 203 can burn the gas to facilitate the mixing of more cold air with the heat exchange tube 202. When used together, three centrifugal fans 2 are set, with sufficient power, large air volume, high wind speed, and fast heating. The centrifugal fan 2 can be equipped with different numbers of centrifugal fans 2 according to the length of different equipment. One fan can be equipped according to multiples of 750mm, or the number of fans can be equipped according to multiples of other distance sizes. The wind pressure It is large enough to isolate cold air better, increase the practicality of the air curtain machine, and then use the fixing plate 3 to support the air curtain machine, and then use the front plate 302 to cooperate with the side plate 303 for assembly, and then the fixing plate 3 of the second air curtain machine is attached to the fixing plate 3 of the first air curtain machine, and then fixed by external bolts, which is convenient for multiple air curtain machines to work, and then work with the crane and the staff to fix the spliced ​​air curtain machine to the working position of the gate. The air curtain machine can be spliced ​​and can be installed on gates of different sizes. It can be installed according to user needs, and a modular combination is adopted to increase the use efficiency of the air curtain machine.

[0027] In one embodiment, a control box 4 is fixedly installed on one side of the heat exchange chamber 201 , a combustion fan 401 is fixedly installed on the top of the control box 4 , and an ignition needle 402 is fixedly installed on the other side of the combustion fan 401 .

[0028] Specifically, the control box 4 can be used to control the operation of the system, the combustion fan 401 is started, the ignition needle 402 is ignited, and the gas enters the burner 203 from the gas valve 6 for ignition. After the flame monitoring needle detects combustion, the gas valve 6 continues to open, and the flame burns in the heat exchange tube 202.

[0029] In this embodiment, the control box 4 can control the operation of the air curtain machine and ignite and burn.

[0030] In one embodiment, both ends of the front plate 302 are movably mounted with mounting frames 5 , a support plate 501 is movably mounted between the mounting frames 5 , and a second through hole 502 is fixedly disposed inside the mounting frames 5 .

[0031] Specifically, the installation frame 5 can be combined with the support plate 501 to facilitate the operation of the air curtain, and then the second through holes 502 can be used to cooperate with external screws for fixing.

[0032] In this embodiment, the left side plate 303 of the air curtain machine is detachable for easy maintenance, and the others are fixed.

[0033] In one embodiment, a gas valve 6 is fixedly disposed on the other side of the installation frame 5 , and a pipeline 601 is fixedly disposed on the top of the gas valve 6 .

[0034] Specifically, the gas valve 6 can be used to deliver the gas into the heat exchange chamber 201 , and then the pipeline 601 can be used to facilitate the transmission of the gas.

[0035] In this embodiment, the pipeline 601 is connected to an external pipe to facilitate the transmission of the fuel gas and the combustion of the burner 203.

[0036] In one embodiment, the side panels 303 are all fixedly provided with air inlets 7 inside.

[0037] Specifically, the air inlet 7 can be used to circulate air to the electrical appliances inside the air curtain.

[0038] In this embodiment, the air inlet 7 circulates air to facilitate work.

[0039] In one embodiment, a total of 10 sets of M10*16 bolts and M10 nuts are required for fastening between the fixing plates 3 .

[0040] Specifically, multiple air curtains can be fixed through the fixing plate 3 using 10 sets of M10*16 bolts and M10 nuts.

[0041] In this embodiment, a plurality of air curtain machines are fixed to facilitate the use of doors of different sizes.

[0042] When the gas air curtain machine of this embodiment is in use, the installation frame 5 can be used to facilitate the installation of the air curtain machine, and the internal electrical appliances of the air curtain machine can be protected. Then, the second through hole 502 can be used to cooperate with the external screws to fix it, so that the internal centrifugal fan 2 can work. Then, the air curtain machine can be supported by the fixing plate 3, and then the front plate 302 is used to cooperate with the side plate 303 for assembly. Then, the fixing plate 3 of the second air curtain machine is attached to the fixing plate 3 of the first air curtain machine, and then 10 sets of M10*16 bolts and M10 nuts are used to fix multiple air curtain machines through the fixing plate 3, and then the control box 4 is used to control the operation of the system. , the combustion fan 401 is started, the ignition needle 402 is ignited, and the gas enters the burner 203 from the gas valve 6 for ignition. After the flame monitoring needle detects the combustion, the gas valve 6 continues to open, and the flame burns in the heat exchange tube 202. Then the centrifugal fan 2 can be used to collect cold air and enter the heat exchange cavity 201 from the louver holes on the air curtain machine. The cold air passes through the surface of the heat exchange tube 202 and mixes with the high-temperature flue gas. The generated warm air is blown out from the air outlet 204. The burner 203 can burn the gas to facilitate more cold air to mix with the heat exchange tube 202, and then the air inlet 7 is used to circulate air to the electrical appliances inside the air curtain machine.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A gas air curtain machine, comprising a centrifugal fan (2), characterized in that: Also includes: A heat exchange chamber (201) is fixedly installed at the bottom of the centrifugal fan (2), a heat exchange tube (202) is fixedly arranged inside the heat exchange chamber (201), a burner (203) is fixedly installed inside the heat exchange tube (202), an air outlet (204) is fixedly arranged at the bottom of the heat exchange chamber (201), a fixing plate (3) is fixedly installed at the bottom of the air outlet (204), a connecting hole (301) is fixedly arranged inside the fixing plate (3), a front plate (302) is movably installed between the fixing plates (3), a side plate (303) is movably installed on one side of the front plate (302), and the length of the air curtain is 2250 mm.

2. The gas air curtain machine according to claim 1, characterized in that: A control box (4) is fixedly mounted on one side of the heat exchange chamber (201), a combustion fan (401) is fixedly mounted on the top of the control box (4), and an ignition needle (402) is fixedly mounted on the other side of the combustion fan (401).

3. The gas air curtain machine according to claim 1, characterized in that: Both ends of the front plate (302) are movably mounted with mounting frames (5), a support plate (501) is movably mounted between the mounting frames (5), and a second through hole (502) is fixedly disposed inside the mounting frames (5).

4. The gas air curtain machine according to claim 3, characterized in that: A gas valve (6) is fixedly arranged on the other side of the installation frame (5), and a pipeline (601) is fixedly arranged on the top of the gas valve (6).

5. The gas air curtain machine according to claim 1, characterized in that: The side panels (303) are all fixedly provided with air inlets (7) inside.

6. The gas air curtain machine according to claim 1, characterized in that: A total of 10 sets of M10*16 bolts and M10 nuts are required for fastening between the fixing plates (3).

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