Gas preheating device for box-type gas generator set

Abstract

The utility model belongs to the technical field of gas preheating, and particularly relates to a gas preheating device for a box type gas generator set, which comprises a box body, a generator body and a heat exchange box are arranged in the box body, and a first tail gas pipe and a first gas pipe are connected between the generator body and the heat exchange box. The rainproof effect at the position of the second tail gas pipe can be further improved through installation of the shielding shed, the shifting block is shifted to drive the clamping pin to be separated from the interior of the clamping groove in the fixing block, at the moment, the shielding shed can be detached by moving the connecting frame upwards, and therefore the rainproof effect is improved. Therefore, the rainproof structure can be conveniently disassembled.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas preheating, and in particular relates to a gas preheating device for a box-type gas generator set. Background Art

[0002] Gas generator is a new type of efficient new energy generator that uses liquefied gas, natural gas and other combustible gases as combustion materials instead of gasoline and diesel as engine power.

[0003] At present, the existing gas preheating device for box-type gas generator sets has a patent number of CN218862761U, which is a gas preheating device for box-type gas generator sets, characterized in that it includes a chassis, a generator body, a heat exchange box, a waste heat recovery device, multiple sets of metal guide plates, multiple sets of electric heating plates, a first gas pipe, a second gas pipe and a gas valve, the generator body is mounted on the inner side wall of the chassis, the heat exchange box is mounted on the inner side wall of the chassis, the waste heat recovery device is arranged on the heat exchange box, and the input end of the waste heat recovery device is connected to the exhaust port of the generator body tail gas;

[0004] Although this patent heats the gas in the heat exchanger box through a waste heat recovery device, thereby improving the effect of the device utilizing the heat of the exhaust gas to preheat the gas and reducing energy consumption, the exhaust gas is usually discharged through the exhaust pipe during use. However, in order to prevent rainwater from entering the device through the exhaust pipe, a rain cap is often installed at the end of the exhaust pipe. However, the traditional rain cap has a poor rainproof effect and is difficult to remove after installation, so it cannot be replaced in time when it is stored or damaged. Utility Model Content

[0005] The utility model aims to provide a gas preheating device for a box-type gas generator set, aiming to solve the problem that the existing gas preheating device for a box-type gas generator set usually discharges the exhaust gas through the exhaust pipe during use, but in order to prevent rainwater from entering the inside of the device from the exhaust pipe, a rain cap is often installed at the end of the exhaust pipe, but the traditional rain cap has a poor rainproof effect and is difficult to disassemble after installation, so it cannot be replaced in time when it is stored or damaged.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas preheating device for a box-type gas generator set, comprising a box body, a generator body and a heat exchange box are arranged inside the box body, a first tail gas pipe and a first gas pipe are connected between the generator body and the heat exchange box, and one end of the first tail gas pipe is connected to a second tail gas pipe;

[0007] Four fixed blocks are fixedly connected to the top of the box body, and the outer walls of the four fixed blocks are provided with card slots. A connecting frame is provided on the top of the box body, and the top of the connecting frame is connected to a shielding shed, and the outer wall of the connecting frame is connected to two connecting seats, and springs are provided inside the two connecting seats, and the ends of the springs are connected to shift blocks, and one end of the shift block is connected to a bayonet.

[0008] As a preferred embodiment of the gas preheating device for a box-type gas-fired generator set of the utility model, the four fixing blocks are opposed to each other in pairs.

[0009] As a preferred embodiment of the utility model of a gas preheating device for a box-type gas-fired generator set, the connecting seat is located between two fixing blocks.

[0010] As a preferred embodiment of the utility model for a gas preheating device for a box-type gas-fired generator set, the shielding shed can form an elastic snap-fit ​​structure with the box body through a fixing block, a slot, a connecting frame, a connecting seat, a spring, a shifting block and a latch.

[0011] As a preferred gas preheating device for a box-type gas generator set of the utility model, a heat pipe and a metal guide plate are connected to the inner side of the heat exchange box, an electric heating plate is installed at one end of the metal guide plate, and a second gas pipe is connected to the bottom of the heat exchange box.

[0012] As a preferred gas preheating device for a box-type gas generator set of the utility model, a heat dissipation port is opened on the outer wall of the box body, two slide rails are arranged on one side of the heat dissipation port, the bottoms of the two slide rails are connected with a connecting plate, an electric exhaust fan is arranged on one side of the heat dissipation port, and L-shaped connecting blocks are connected to both sides of the electric exhaust fan.

[0013] As a preferred embodiment of the utility model of a gas preheating device for a box-type gas-fired generator set, the electric exhaust fan can form a sliding connection structure with the box body through a slide rail, a connecting plate, and an L-shaped connecting block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The installation of the shielding shed can further improve the rain protection effect at the second tailpipe, and by moving the shift block, the latch can be driven to disengage from the slot on the fixed block. At this time, the shielding shed can be removed by moving the connecting frame upwards, thereby conveniently disassembling its rain protection structure.

[0016] By moving the L-shaped connecting blocks on both sides of the electric exhaust fan to slide along the slide rails, the electric exhaust fan will be located at the heat dissipation port, thereby improving the heat dissipation effect inside the box by starting the electric exhaust fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the internal structure of the box of the utility model;

[0019] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0021] Figure 4 A is a schematic diagram of the enlarged structure of the utility model;

[0022] Figure 5 It is a schematic diagram of the B enlarged structure of the utility model.

[0023] In the figure: 1. box body; 2. generator body; 3. heat exchange box; 4. first tail gas pipe; 5. first gas pipe; 6. heat conducting pipe; 7. metal guide plate; 8. electric heating plate; 9. second gas pipe; 10. second tail gas pipe; 11. fixing block; 12. slot; 13. connecting frame; 14. connecting seat; 15. spring; 16. shift block; 17. latch; 18. shielding shed; 19. heat dissipation port; 20. slide rail; 21. connecting plate; 22. electric exhaust fan; 23. L-shaped connecting block. 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] See also Figure 1-5 The utility model provides the following technical solutions: a gas preheating device for a box-type gas generator set, comprising a box body 1, a generator body 2 and a heat exchange box 3 are arranged inside the box body 1, a first tail gas pipe 4 and a first gas pipe 5 are connected between the generator body 2 and the heat exchange box 3, and one end of the first tail gas pipe 4 is connected to a second tail gas pipe 10;

[0026] Four fixed blocks 11 are fixedly connected to the top of the box body 1, and the outer walls of the four fixed blocks 11 are provided with card slots 12. A connecting frame 13 is provided on the top of the box body 1, and the top of the connecting frame 13 is connected to a shielding shed 18. The outer wall of the connecting frame 13 is connected to two connecting seats 14, and springs 15 are provided inside the two connecting seats 14. The end of the spring 15 is connected to a shift block 16, and one end of the shift block 16 is connected to a latch pin 17.

[0027] Preferably, the four fixing blocks 11 are opposite to each other in pairs, the connecting seat 14 is located between two fixing blocks 11, and the shielding shed 18 can form an elastic snap-fit ​​structure with the box body 1 through the fixing blocks 11, the slots 12, the connecting frame 13, the connecting seat 14, the spring 15, the shifting block 16, and the latch 17.

[0028] During specific use, the installation of the shielding shed 18 can further improve the rain protection effect at the second tail gas pipe 10, and by moving the shifting block 16, it drives the locking pin 17 to disengage from the slot 12 on the fixing block 11. At this time, the shielding shed 18 can be removed by moving the connecting frame 13 upward.

[0029] Preferably: a heat pipe 6 and a metal guide plate 7 are connected to the inner side of the heat exchange box 3, an electric heating plate 8 is installed at one end of the metal guide plate 7, a second gas pipe 9 is connected to the bottom of the heat exchange box 3, and the electric exhaust fan 22 can form a sliding connection structure with the box body 1 through a slide rail 20, a connecting plate 21, and an L-shaped connecting block 23.

[0030] During specific use, multiple groups of electric heating plates 8 are turned on, and multiple groups of metal guide plates 7 are heated after being turned on. The gas is transported to the inside of the heat exchange box 3 through the second gas pipe 9. The gas entering the heat exchange box 3 flows from right to left. During the gas transportation process, the gas is guided by multiple groups of metal guide plates 7, so that the gas is preheated by the multiple groups of metal guide plates 7. The preheated gas is then transported to the inside of the generator body 2 through the first gas pipe 5. When the generator body 2 is started, the generator body 2 discharges the burned gas exhaust into the waste heat recovery device, and the gas in the heat exchange box 3 is heated by the waste heat recovery device.

[0031] Preferably: a heat dissipation port 19 is provided on the outer wall of the box body 1, two slide rails 20 are provided on one side of the heat dissipation port 19, a connecting plate 21 is connected to the bottom of the two slide rails 20, an electric exhaust fan 22 is provided on one side of the heat dissipation port 19, and L-shaped connecting blocks 23 are connected to both sides of the electric exhaust fan 22. The electric exhaust fan 22 can form a sliding connection structure with the box body 1 through the slide rails 20, the connecting plate 21 and the L-shaped connecting block 23.

[0032] During specific use, the L-shaped connecting blocks 23 on both sides of the electric exhaust fan 22 are moved to make it slide along the slide rail 20. At this time, the electric exhaust fan 22 will be located at the heat dissipation port 19, so that the heat dissipation effect inside the box 1 can be improved by starting the electric exhaust fan 22.

[0033] Working principle: First, multiple groups of electric heating plates 8 are turned on, and multiple groups of metal guide plates 7 are heated after multiple groups of electric heating plates 8 are turned on, and the gas is transported to the inside of the heat exchange box 3 through the second gas pipe 9. The gas entering the heat exchange box 3 flows from right to left. During the gas transportation process, the gas is guided by multiple groups of metal guide plates 7, so that the multiple groups of metal guide plates 7 preheat the gas. After that, the preheated gas is transported to the inside of the generator body 2 through the first gas pipe 5. When the generator body 2 is started, the generator body 2 discharges the exhaust gas of the burned gas into the waste heat recovery device. The recovery device heats the gas in the heat exchange box 3. The installation of the shielding shed 18 can further improve the rainproof effect at the second tail gas pipe 10, and by moving the shifting block 16, it drives the locking pin 17 to disengage from the slot 12 on the fixing block 11. At this time, the shielding shed 18 can be removed by moving the connecting frame 13 upwards. The L-shaped connecting blocks 23 on both sides of the electric exhaust fan 22 are moved to slide along the slide rail 20. At this time, the electric exhaust fan 22 will be located at the heat dissipation port 19, so that the heat dissipation effect inside the box body 1 can be improved by starting the electric exhaust fan 22.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A gas preheating device for a box-type gas-fired generator set, comprising a box body (1), characterized in that: The box body (1) is provided with a generator body (2) and a heat exchange box (3), a first tail gas pipe (4) and a first fuel gas pipe (5) are connected between the generator body (2) and the heat exchange box (3), and one end of the first tail gas pipe (4) is connected to a second tail gas pipe (10); Four fixing blocks (11) are fixedly connected to the top of the box body (1), and the outer walls of the four fixing blocks (11) are provided with card slots (12). A connecting frame (13) is arranged on the top of the box body (1), and the top of the connecting frame (13) is connected to a shielding shed (18). The outer wall of the connecting frame (13) is connected to two connecting seats (14), and springs (15) are arranged inside the two connecting seats (14). The end of the spring (15) is connected to a shifting block (16), and one end of the shifting block (16) is connected to a card pin (17).

2. A gas preheating device for a box-type gas-fired generator set according to claim 1, characterized in that: The four fixing blocks (11) are arranged in pairs opposite to each other.

3. The gas preheating device for a box-type gas-fired generator set according to claim 1 is characterized in that: The connecting seat (14) is located between the two fixing blocks (11).

4. The gas preheating device for a box-type gas-fired generator set according to claim 1 is characterized in that: The shielding shed (18) can form an elastic locking structure with the box body (1) through a fixing block (11), a locking groove (12), a connecting frame (13), a connecting seat (14), a spring (15), a shifting block (16), and a locking pin (17).

5. The gas preheating device for a box-type gas-fired generator set according to claim 1 is characterized in that: The inner side of the heat exchange box (3) is connected to a heat conduction pipe (6) and a metal guide plate (7), one end of the metal guide plate (7) is installed with an electric heating plate (8), and the bottom of the heat exchange box (3) is connected to a second gas pipe (9).

6. A gas preheating device for a box-type gas-fired generator set according to claim 1, characterized in that: The outer wall of the box body (1) is provided with a heat dissipation port (19), two slide rails (20) are provided on one side of the heat dissipation port (19), the bottoms of the two slide rails (20) are connected with a connecting plate (21), an electric exhaust fan (22) is provided on one side of the heat dissipation port (19), and L-shaped connecting blocks (23) are connected to both sides of the electric exhaust fan (22).

7. A gas preheating device for a box-type gas-fired generator set according to claim 6, characterized in that: The electric exhaust fan (22) can form a sliding connection structure with the box body (1) through a slide rail (20), a connection plate (21) and an L-shaped connection block (23).

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