A rooftop large-space gas turbine unit

Abstract

This utility model relates to the field of gas turbine unit technology and discloses a rooftop large-space gas turbine unit, including a unit shell, heat exchange pipes, a fan, sound-absorbing sponge, and guide vanes. A roof mounting bracket is welded to the middle of the outer end of the unit shell. The heat exchange pipes, fan, sound-absorbing sponge, and guide vanes are sequentially installed from top to bottom inside the unit shell. A combustion assembly is installed on one side of the unit shell, integrating a combustion chamber, a burner, and a gas mixer. In this utility model, the combustion chamber in the combustion assembly is connected to both the gas pipe interface and the heat exchange pipe. The combustion assembly transfers the high-temperature hot air generated by the combustion of gas and air to the heat exchange pipe and then conducts it to the exhaust pipe for discharge. Indoor air enters the equipment through the air inlet, where it undergoes conduction heat exchange with the high-temperature heat exchange pipe, resulting in high-temperature air. This high-temperature air is then pumped downwards by the fan pressure below the heat exchange pipe.

Description

Technical Field

[0001] This utility model relates to the field of gas turbine unit technology, and in particular to a rooftop large-space gas turbine unit. Background Technology

[0002] Gas turbine units can convert fuel energy into heat energy and then exchange heat with the air to achieve the effect of heating. Gas turbine units are widely used in hotels, data centers, industrial parks, etc. When combined with waste heat recovery devices, gas turbine units provide heating and domestic hot water for buildings.

[0003] Large-space gas turbine units on the market are typically suspended from the roof, using a top-down air supply method. However, this method has a problem: the exhaust gas from the gas turbine unit is discharged indoors, causing some air pollution over time. During winter heating, the space is often in a sealed and insulated state. The combustion of the gas turbine unit consumes oxygen in the air, and since the oxygen in the space cannot be effectively replenished, the oxygen content in the air decreases, which has a certain impact on people's activities in the space.

[0004] Therefore, those skilled in the art have provided a rooftop large-space gas turbine unit to solve the problems mentioned in the background art. Summary of the Invention

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a rooftop large-space gas turbine unit. In this technical solution, the air outlet extends into the room through the roof opening, while the burner burns outdoors and does not consume indoor oxygen. The exhaust smoke is also discharged outdoors and does not pollute the indoor air. This avoids the defect that the combustion of the gas turbine unit consumes oxygen in the air, causing a decrease in the oxygen content of the air in the space, which in turn causes discomfort to people moving in the space.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A rooftop-mounted large-space gas turbine unit includes a unit casing, heat exchange pipes, a fan, sound-absorbing foam, and guide vanes. A roof mounting bracket is welded to the middle of the outer end of the unit casing. The heat exchange pipes, fan, sound-absorbing foam, and guide vanes are installed sequentially from top to bottom inside the unit casing. A combustion assembly is installed on one side of the unit casing. The combustion assembly integrates a combustion chamber, a burner, and a gas mixer. A control box is installed on one side of the combustion assembly. An actuator is installed below the guide vanes. A gas pipe interface is installed at one end of the combustion chamber in the combustion assembly. The combustion chamber in the combustion assembly is connected to both the gas pipe interface and the heat exchange pipe. The bottom end of the roof mounting bracket fits against the top of the roof. Hanging plates are welded to the four corners of the top of the unit casing. Each hanging plate has a hanging hole at one end. An air outlet is designed at the bottom end of the guide vanes.

[0008] Through the above technical solution, the combustion chamber in the combustion assembly is connected to both the gas pipe interface and the heat exchange pipe. The combustion assembly transfers the high-temperature hot air generated by the combustion of gas and air to the heat exchange pipe and then to the exhaust pipe for discharge. Indoor air enters the equipment through the air inlet, where it undergoes heat exchange with the high-temperature heat exchange pipe, resulting in hot air. This hot air is then pushed downwards by the pressure of a fan below the heat exchange pipe. Under the pressure of the fan, the hot air comes into contact with the sound-absorbing sponge below the fan, which effectively reduces wind noise. The control box instructs the actuator to adjust the air delivery angle of the guide vanes below the sound-absorbing sponge according to parameters set for different operating conditions. The adjusted air is then delivered into the space through the air outlet. Hanging plates are welded to the four corners of the top of the unit casing, each with a hanging hole at one end for easy connection to a crane, facilitating installation. An air outlet is designed at the bottom of the guide vanes to facilitate the return of the heat-exchanged air into the space.

[0009] Furthermore, air inlets are designed at both ends of the unit housing below the roof bracket, and each air inlet is connected to the interior of the unit housing;

[0010] With the above technical solution, air inlets are designed at both ends of the unit casing below the roof bracket, and each air inlet is connected to the inside of the unit casing to facilitate the entry of air from the space into the unit.

[0011] Furthermore, an exhaust pipe is installed at one end of the outer side of the unit casing, and the exhaust pipe is connected to the outlet end of the heat exchange tube;

[0012] With the above technical solution, a flue pipe is installed at one end of the outer side of the unit casing, and the flue pipe is connected to the outlet end of the heat exchange tube to facilitate the discharge of the combustion hot gas to the outside.

[0013] Furthermore, a protective shell is welded above the combustion assembly on one side of the unit's outer casing. The bottom of the protective shell is open, and the open end of the protective shell is higher than the top of the roof bracket.

[0014] Through the above technical solution, a protective shell is welded and installed on one side of the unit casing above the combustion component to facilitate the protection of the combustion component and control box. The bottom of the protective shell is designed to be open, and the open end of the protective shell is higher than the top of the roof bracket to facilitate the extraction of outside air and the exhaust of hot air.

[0015] This utility model has the following beneficial effects:

[0016] 1. This utility model proposes a rooftop-type large-space gas turbine unit. This utility model is installed on a base with an opening in the roof. The air outlet extends into the room through the roof opening. The burner burns outdoors and does not consume indoor oxygen. The exhaust smoke is discharged outdoors and does not pollute the indoor air. Since the gas pipes are all laid outdoors, it will not cause additional expenses for normal fire protection in the space. This avoids the defect that the combustion of the gas turbine unit will consume the oxygen in the indoor air, resulting in a decrease in the oxygen content of the indoor air and causing discomfort to people moving indoors. Attached Figure Description

[0017] Figure 1 This is an internal axonometric view of a rooftop large-space gas turbine unit proposed in this utility model;

[0018] Figure 2 This is an orthographic projection of a rooftop large-space gas turbine unit proposed in this utility model;

[0019] Figure 3 This is a partial isometric view of a rooftop-type large-space gas turbine unit proposed in this utility model;

[0020] Figure 4 This is a schematic diagram of the connection between a rooftop-type large-space gas turbine unit and a roof, as proposed in this utility model.

[0021] Figure 5 This is an axonometric view of a rooftop-type large-space gas turbine unit proposed in this utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Gas pipe interface; 2. Heat exchange pipe; 3. Fan; 4. Sound-absorbing sponge; 5. Guide vane; 6. Actuator; 7. Air outlet; 8. Combustion assembly; 9. Smoke exhaust pipe; 10. Control box; 11. Roof bracket; 12. Air inlet; 13. Protective shell; 14. Unit outer shell; 15. Hanging plate. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] Reference Figure 1-5This utility model provides a specific embodiment: a rooftop large-space gas turbine unit, including a unit shell 14, heat exchange pipes 2, a fan 3, sound-absorbing sponge 4, and guide vanes 5. A roof mounting bracket 11 is welded to the middle of the outer end of the unit shell 14. The heat exchange pipes 2, fan 3, sound-absorbing sponge 4, and guide vanes 5 are installed sequentially from top to bottom inside the unit shell 14. A combustion assembly 8 is installed on one side of the unit shell 14. The combustion assembly 8 integrates a combustion chamber, a burner, and a gas mixer. A control box 10 is installed on one side of the combustion assembly 8. An actuator is installed below the guide vanes 5. 6. A gas pipe interface 1 is installed at one end of the combustion chamber in the combustion assembly 8. The combustion chamber in the combustion assembly 8 is connected to the gas pipe interface 1 and the heat exchange pipe 2 respectively. The bottom end of the roof bracket 11 is attached to the top of the roof. Hanging plates 15 are welded to the four corners of the top of the unit shell 14. Each hanging plate 15 has a hanging hole at one end. The bottom end of the guide vane 5 is designed with an air outlet 7. In this technical solution, the combustion assembly 8 is connected to the gas pipe interface 1 and the heat exchange pipe 2 respectively. The combustion assembly transfers the high-temperature hot air generated by the combustion of gas and air to the heat exchange pipe 2 and conducts it to the exhaust pipe 9 for discharge. Indoor air enters the equipment through inlet 12, where it undergoes heat exchange with the high-temperature heat exchange tube 2. The resulting hot air is then forced downwards by the pressure of the fan 3 below the heat exchange tube 2. Under the pressure of the fan 3, the hot air comes into contact with the sound-absorbing sponge 4 below the fan 3, effectively reducing wind noise. The control box 10, based on parameters set for different operating conditions, instructs the actuator 6 to adjust the air delivery angle of the guide vanes 5 below the sound-absorbing sponge 4. The adjusted air is then delivered into the space through outlet 7. Hanging plates 15 are welded to the top four corners of the unit's outer casing 14, each with a hanging hole at one end for easy connection to a crane. An outlet 7 is designed at the bottom of the guide vanes 5 to facilitate the return of the heat-exchanged air into the space.

[0026] Air inlets 12 are designed at both ends of the unit casing 14 below the roof bracket 11. Each air inlet 12 is connected to the interior of the unit casing 14, facilitating the entry of air from the interior space into the unit. An exhaust pipe 9 is installed at one end of the outer side of the unit casing 14, connecting to the outlet of the heat exchange tube 2. The connection facilitates the exhaust of combustion heat to the outside. A protective shell 13 is welded on one side of the unit housing 14 above the combustion assembly 8. The bottom of the protective shell 13 is open, and the open end of the protective shell 13 is higher than the top of the roof bracket 11. The protective shell 13 is welded on one side of the unit housing 14 above the combustion assembly 8 to protect the combustion assembly 8 and the control box 10. The bottom of the protective shell 13 is open, and the open end of the protective shell 13 is higher than the top of the roof bracket 11 to facilitate the extraction of outside air and exhaust of heat.

[0027] Working Principle: This utility model is installed on a base with an opening in the roof. The air outlet 7 extends into the room through the roof opening. The burner burns outdoors and does not consume indoor oxygen. The exhaust smoke is also discharged outdoors and does not pollute the indoor air. Since the gas pipes are all laid outdoors, there will be no additional expenses for normal fire protection in the space. The specific working process is that the combustion component 8 is connected to the gas pipe interface 1 and the heat exchange pipe 2 respectively. The combustion component 8 transfers the high-temperature hot air generated by the combustion of gas and air to the heat exchange pipe 2 and conducts it to the exhaust pipe 9 for discharge. Indoor air enters the equipment through the air inlet 12. The air enters and conducts heat exchange with the high-temperature heat exchange pipe 2 to obtain high-temperature air. Then, under the pressure of the fan 3 below the heat exchange pipe 2, the air is transported downward. Under the pressure of the fan 3, the high-temperature air comes into contact with the sound-absorbing sponge 4 below the fan 3. The sound-absorbing sponge 4 can effectively reduce wind noise. The control box 10 instructs the actuator 6 to adjust the air delivery angle of the guide vanes 5 below the sound-absorbing sponge 4 according to the parameters set for different working conditions. After being regulated, the air is delivered into the space through the air outlet 7, which extends into the room through the roof opening. Since the burner burns outdoors and does not consume indoor oxygen, the exhaust smoke is discharged outdoors and does not pollute the indoor air. This avoids the problem that the combustion of the gas unit would consume the oxygen in the air, causing a decrease in the oxygen content of the air in the space, which would then cause discomfort to the people moving in the space.

[0028] The following points should be noted in this article:

[0029] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0030] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rooftop large-space gas turbine unit, comprising a unit casing (14), heat exchange tubes (2), a fan (3), sound-absorbing sponge (4), and guide vanes (5), characterized in that: A roof mounting bracket (11) is welded to the middle of the outer end of the unit casing (14). The heat exchange tube (2), fan (3), sound-absorbing sponge (4), and guide vanes (5) are installed sequentially from top to bottom inside the unit casing (14). A combustion assembly (8) is installed on one side of the unit casing (14). The combustion assembly (8) integrates a combustion chamber, burner, and gas mixer. A control box (10) is installed on one side of the combustion assembly (8). Below the guide vanes (5)... An actuator (6) is installed. A gas pipe interface (1) is installed at one end of the combustion chamber in the combustion assembly (8). The combustion chamber in the combustion assembly (8) is connected to the gas pipe interface (1) and the heat exchange pipe (2) respectively. The bottom end of the roof bracket (11) is attached to the top of the roof. Hanging plates (15) are welded to the top four corners of the unit shell (14). A hanging hole is opened at one end of each hanging plate (15). An air outlet (7) is designed at the bottom end of the guide vane (5).

2. The rooftop large-space gas turbine unit according to claim 1, characterized in that: The roof bracket (11) has air inlets (12) at both ends of the unit housing (14) below it, and each air inlet (12) is connected to the inside of the unit housing (14).

3. The rooftop large-space gas turbine unit according to claim 1, characterized in that: A flue pipe (9) is installed on one side of the outer casing (14) of the unit, and the flue pipe (9) is connected to the outlet end of the heat exchange tube (2).

4. A rooftop large-space gas turbine unit according to claim 1, characterized in that: A protective shell (13) is welded above the combustion assembly (8) on one side of the unit housing (14). The bottom end of the protective shell (13) is open, and the open end of the protective shell (13) is higher than the top of the roof bracket (11).

Images