CN218862761U - Gas preheating device of box type gas generator set - Google Patents

Abstract

The utility model relates to the technical field of gas preheating, in particular to a gas preheating device of a box-type gas generator set, which improves the preheating effect of gas when a generator body is started, reduces the situation that the ignition of the generator body is difficult due to too low gas temperature, improves the effect of preheating the gas by utilizing tail gas heat of the device, and reduces the energy consumption of gas preheating; including quick-witted case, the generator body, the heat transfer case, waste heat recovery device, the multiunit metal guide plate, the multiunit electric plate, first gas pipe, second gas pipe and gas valve, the generator body is installed on quick-witted incasement lateral wall, the heat transfer case is installed on quick-witted incasement lateral wall, waste heat recovery device sets up on the heat transfer case, waste heat recovery device input and generator body tail gas vent intercommunication, waste heat recovery device output communicates with each other with outdoor, the multiunit metal guide plate is the crisscross installation on the heat transfer case inside wall in position respectively, the multiunit electric plate is installed respectively on multiunit metal guide plate lateral wall.

Description

Gas preheating device of box type gas generator set

Technical Field

The utility model relates to a technical field that the gas preheated especially relates to a box gas generating set's gas preheating device.

Background

The gas generator is a novel and efficient new energy generator which takes combustible gases such as liquefied gas, natural gas and the like as comburents to replace gasoline and diesel oil as engine power, when the conventional box-type gas generator set is used, as in the prior art, 201320853307.7, the device comprises a shell with an inner cavity, a gas pipeline is arranged in the shell, two ends of the gas pipeline penetrate out of the shell, and a gap for containing liquid is arranged between the inner wall of the shell and the outer wall of the gas pipeline; a water inlet pipe and a water outlet pipe are arranged on the shell; the device is characterized in that the shell is provided with a heater for heating liquid in the shell, but the device needs to heat water when preheating fuel gas, and the heating time of the water is long, so that the fuel gas preheating efficiency is reduced, and the device for improving the fuel gas preheating efficiency and facilitating the utilization of the heat of the tail gas of the generator to preheat the fuel gas is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improve preheating effect of gas when generator body starts, reduce the gas temperature and cross the condition that leads to the fact generator body ignition difficulty low excessively, improve the device and utilize the effect that tail gas heat preheats the gas, reduce the box gas generating set's of the energy consumption that the gas preheated gas preheating device.

The utility model discloses a box gas generating set's gas preheating device, the load simulator comprises a case, the generator body, the heat transfer case, waste heat recovery device, multiunit metal guide plate, multiunit electric plate, first gas pipe, second gas pipe and gas valve, the generator body is installed on the quick-witted inside wall, the heat transfer case is installed on quick-witted inside wall, waste heat recovery device sets up on the heat transfer case, waste heat recovery device input and generator body tail gas vent intercommunication, waste heat recovery device output communicates with outdoor, multiunit metal guide plate position staggers respectively and installs on the heat transfer case inside wall, multiunit electric plate installs respectively on multiunit metal guide plate lateral wall, first gas pipe input communicates with external air supply equipment, first gas pipe output intercommunication sets up in heat transfer case bottom right part, second gas pipe input intercommunication sets up in heat transfer case bottom left part, second gas pipe output communicates with generator body gas air inlet, gas valve intercommunication sets up on first gas pipe; when needs start the generator body, at first open the multiunit electric plate, the multiunit metal guide plate heats after the multiunit electric plate is opened, carry the gas to the heat transfer incasement portion through first gas pipe, the gas that gets into in the heat transfer incasement flows from the right side left and carries, pass through multiunit metal guide plate water conservancy diversion among the gas transportation process, thereby make multiunit metal guide plate with the gas preheating treatment, the gas after later preheating is carried to the generator body inside through the second gas pipe, thereby improve the preheating effect of gas when the generator body starts, reduce the condition that the gas temperature crosses low and cause the generator body to ignite the difficulty, after the generator body starts, the generator body discharges the gas tail gas of burning to the waste heat recovery device in, heat the gas in the heat transfer case is heated through the waste heat recovery device, thereby improve the effect that the device utilized the tail gas heat to preheat the gas, reduce the energy consumption that the gas preheats.

Preferably, the waste heat recovery device comprises a first tail gas pipe, a first gas tank, a second gas tank, a plurality of groups of heat conduction pipes and a second tail gas pipe, wherein the first tail gas pipe is communicated with a tail gas exhaust port of the generator body, the output end of the first tail gas pipe is communicated with the inside of the first gas tank, the first gas tank is arranged at the left end of the heat exchange tank, the second gas tank is arranged at the right end of the heat exchange tank, the plurality of groups of heat conduction pipes are arranged inside the heat exchange tank, the left ends of the plurality of groups of heat conduction pipes are communicated with the inside of the first gas tank, the right ends of the plurality of groups of heat conduction pipes are communicated with the inside of the second gas tank, the middle parts of the plurality of groups of heat conduction pipes are respectively arranged inside the heat exchange tank in an S shape, the input end of the second tail gas pipe is communicated with the inside of the second gas tank, and the output end of the second tail gas pipe is communicated with the outside of the heat exchange tank; the generator body discharges the tail gas of burning to inside first tail gas pipe, carry the tail gas water conservancy diversion to inside first gas tank through first tail gas pipe, later discharge tail gas to inside the multiunit heat conduction pipe through first gas tank, thereby make the waste heat in the tail gas heat the multiunit heat conduction pipe, thereby when first gas pipe carries the gas to the heat transfer incasement, make the gas flow in-process heat through the multiunit heat conduction pipe, improve the effect that the gas utilized the tail gas waste heat to heat, improve the convenience that the gas preheated, later tail gas carries to inside the second tail gas pipe through the multiunit heat conduction pipe, discharge the tail gas outdoors through the second tail gas pipe, through setting up multiunit heat conduction pipe middle part into the S-shaped, increase the contact effect of multiunit heat conduction pipe and gas, improve the effect that the gas preheated.

Preferably, the three-way exhaust pipe is communicated with the first exhaust pipe, the third exhaust pipe is communicated with one group of output ends of the three-way pipe, the output end of the third exhaust pipe is communicated with the outside, the first electric control valve is communicated with the first exhaust pipe arranged on the right side of the three-way pipe, and the second electric control valve is communicated with the third exhaust pipe; close the second electrically controlled valve and open first electrically controlled valve, make the intraductal tail gas of first tail gas pass inside three-way pipe and the first electrically controlled valve get into first gas tank, open through controlling the second electrically controlled valve to make the intraductal some tail gas of first tail gas pass through the third tail gas pipe discharge outdoor, through reducing the tail gas air input in the first gas tank, thereby be convenient for control the heat of multiunit heat pipe, improve the convenience that the gas preheats temperature control.

Preferably, the temperature control device further comprises a temperature sensor and a controller, the temperature sensor is communicated with the second fuel gas pipe, the controller is installed on the inner side wall of the case, and the controller is electrically connected with the second fuel gas pipe, the first electric control valve and the second electric control valve respectively; the gas temperature entering the second gas pipe is detected through the temperature sensor, when the temperature of the preheated gas is too high, the temperature sensor transmits signals to the controller, the opening degree of the first electric control valve and the second electric control valve is controlled through the controller, and therefore automatic adjustment is conducted on the preheating temperature of the gas.

Preferably, the heat exchange box also comprises heat insulation cotton, and the heat insulation cotton is sleeved on the outer side wall of the heat exchange box; through setting up the heat preservation cotton, improve the heat preservation effect of heat transfer case, reduce heat transfer case and external heat exchange, improve the gas and preheat the effect.

Preferably, the heat exchanger also comprises a plurality of groups of fins which are respectively sleeved on the outer side walls of the plurality of groups of heat conduction pipes; through setting up the multiunit fin, improve the radiating effect of multiunit heat pipe, improve the preheating effect of multiunit heat pipe to the gas.

Preferably, the device also comprises two groups of rain-proof caps, wherein the two groups of rain-proof caps are respectively arranged at the output ends of the second tail gas pipe and the third tail gas pipe; through setting up two sets of rain-proof caps, improve the rain-proof effect of second tail gas pipe and third tail gas pipe.

Compared with the prior art, the beneficial effects of the utility model are that: when needs start the generator body, at first open the multiunit electric plate, the multiunit metal guide plate heats after the multiunit electric plate is opened, carry the gas to the heat transfer incasement portion through first gas pipe, the gas that gets into in the heat transfer incasement flows from the right side left and carries, pass through multiunit metal guide plate water conservancy diversion among the gas transportation process, thereby make multiunit metal guide plate with the gas preheating treatment, the gas after later preheating is carried to the generator body inside through the second gas pipe, thereby improve the preheating effect of gas when the generator body starts, reduce the condition that the gas temperature crosses low and cause the generator body to ignite the difficulty, after the generator body starts, the generator body discharges the gas tail gas of burning to the waste heat recovery device in, heat the gas in the heat transfer case is heated through the waste heat recovery device, thereby improve the effect that the device utilized the tail gas heat to preheat the gas, reduce the energy consumption that the gas preheats.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a partial schematic view of the connection of the heat exchange box to a first air box or the like;

FIG. 3 is a schematic view of a partial structure of the connection between the third tail gas pipe and the second electrically controlled valve;

FIG. 4 is a schematic view of a part of the structure of the heat pipe connected to the fins;

in the drawings, the reference numbers: 1. a chassis; 2. a generator body; 3. a heat exchange box; 4. a metal baffle; 5. an electric hot plate; 6. a first gas pipe; 7. a second gas pipe; 8. a gas valve; 9. a first tail gas pipe; 10. a first gas tank; 11. a second air box; 12. a heat conducting pipe; 13. a second tail gas pipe; 14. a three-way pipe; 15. a third tail gas pipe; 16. a first electrically controlled valve; 17. a temperature sensor; 18. a controller; 19. heat preservation cotton; 20. a fin; 21. rain-proof caps; 22. a second electrically controlled valve.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The generator body 2 is arranged on the inner side wall of the case 1, the heat exchange case 3 is arranged on the inner side wall of the case 1, a plurality of groups of metal guide plates 4 are respectively arranged on the inner side wall of the heat exchange case 3 in a position staggered manner, a plurality of groups of electric heating plates 5 are respectively arranged on the outer side wall of the plurality of groups of metal guide plates 4, the input end of a first gas pipe 6 is communicated with external gas supply equipment, the output end of the first gas pipe 6 is communicated with the right part of the bottom end of the heat exchange case 3, the input end of a second gas pipe 7 is communicated with the left part of the bottom end of the heat exchange case 3, the output end of the second gas pipe 7 is communicated with a gas inlet of the generator body 2, a gas valve 8 is communicated with the first gas pipe 6, a first tail gas pipe 9 is communicated with a tail gas exhaust port of the generator body 2, the output end of the first tail gas pipe 9 is communicated with the first gas case 10, the first gas case 10 is arranged at the left end of the heat exchange case 3, and a second gas case 11 is arranged at the right end of the heat exchange case 3, multiple groups of heat conduction pipes 12 are all arranged inside the heat exchange box 3, the left ends of the multiple groups of heat conduction pipes 12 are all communicated with the inside of the first air box 10, the right ends of the multiple groups of heat conduction pipes 12 are all communicated with the inside of the second air box 11, the middle parts of the multiple groups of heat conduction pipes 12 are respectively arranged inside the heat exchange box 3 in an S shape, the input end of the second tail air pipe 13 is communicated with the inside of the second air box 11, the output end of the second tail air pipe 13 is communicated with the outside, a three-way pipe 14 is communicated with and arranged on the first tail air pipe 9, a third tail air pipe 15 is communicated and arranged on one group of output ends of the three-way pipe 14, the output end of the third tail air pipe 15 is communicated and arranged outside, a first electric control valve 16 is communicated and arranged on the first tail air pipe 9 on the right side of the three-way pipe 14, a second electric control valve 22 is communicated and arranged on the third tail air pipe 15, a temperature sensor 17 is communicated and arranged on the second tail air pipe 7, a controller 18 is arranged on the inner side wall of the machine case 1, the controller 18 is respectively electrically connected with the second fuel gas pipe 7, the first electric control valve 16 and the second electric control valve 22, the heat insulation cotton 19 is sleeved on the outer side wall of the heat exchange box 3, the multiple groups of fins 20 are respectively sleeved on the outer side walls of the multiple groups of heat conduction pipes 12, and the two groups of rain caps 21 are respectively arranged on the output ends of the second tail gas pipe 13 and the third tail gas pipe 15; when the generator body 2 needs to be started, firstly, the plurality of groups of electric heating plates 5 are started, the plurality of groups of metal guide plates 4 are heated after the plurality of groups of electric heating plates 5 are started, gas is conveyed into the heat exchange box 3 through the first gas pipe 6, the gas entering the heat exchange box 3 flows from right to left, the gas is guided through the plurality of groups of metal guide plates 4 during the gas conveying process, so that the gas is preheated by the plurality of groups of metal guide plates 4, the preheated gas is conveyed into the generator body 2 through the second gas pipe 7, so that the preheating effect of the gas during the starting of the generator body 2 is improved, the ignition difficulty of the generator body 2 caused by too low gas temperature is reduced, after the generator body 2 is started, the generator body 2 discharges the combusted tail gas into the first tail gas pipe 9, the tail gas is guided and conveyed into the first gas tank 10 through the first tail gas pipe 9, the tail gas is discharged into the plurality of groups of heat conduction pipes 12 through the first gas tank 10, so that the waste heat in the tail gas heats the plurality of groups of tail gas to heat conduction pipes 12, the tail gas is discharged into the second gas pipe 12 through the first gas pipe 9, the plurality of tail gas conduction pipes, the tail gas is closed, the tail gas conduction pipe 16, the tail gas conduction pipe is controlled by the first electric control valve, the tail gas conduction pipe 16, the tail gas conduction pipe is controlled by the tail pipe 16, the tail gas conduction pipe 16, by reducing the exhaust gas inflow in the first gas tank 10, the heat of the multiple groups of heat conduction pipes 12 can be controlled conveniently, and the convenience of gas preheating temperature control can be improved.

As shown in fig. 1 to 4, the utility model discloses a box gas generating set's gas preheating device, it is at the during operation, when needs start to generator body 2, at first open multiunit electric plate 5, multiunit metal guide plate 4 heats after multiunit electric plate 5 opens, carry the gas to heat-transfer case 3 inside through first gas pipe 6, the gas that gets into in the heat-transfer case 3 flows from the right side left and carries, pass through multiunit metal guide plate 4 water conservancy diversion among the gas transportation process, thereby make multiunit metal guide plate 4 with the gas preheating treatment, the gas after the later preheating is carried to generator body 2 inside through second gas pipe 7, after generator body 2 starts, generator body 2 discharges the tail gas of burning to inside first tail gas pipe 9, carry the tail gas water conservancy diversion to inside first gas case 10 through first tail gas pipe 9, later discharge tail gas to inside multiunit heat pipe 12 through first gas case 10, thereby make the waste heat pipe in the tail gas heat multiunit heat pipe 12 heat, thereby carry out the tail gas to the heat pipe through multiunit tail gas heat pipe 13 after the second gas carries out the heat pipe 13 outside the multiunit.

The utility model discloses the main function who realizes does: at first, open multiunit electric plate 5, multiunit electric plate 5 heats multiunit metal guide plate 4 after opening, carry the gas to heat transfer case 3 inside through first gas pipe 6, the gas that gets into in the heat transfer case 3 flows from the right side left and carries, pass through multiunit metal guide plate 4 water conservancy diversion among the gas transportation process, thereby make multiunit metal guide plate 4 with the gas preheating treatment, the gas after the later preheating is carried to generator body 2 inside through second gas pipe 7, after generator body 2 starts, generator body 2 discharges the gas tail gas of burning to waste heat recovery device in, heat the gas in the heat transfer case 3 through waste heat recovery device.

The mounting mode, the connecting mode or the setting mode of the gas preheating device of the box-type gas generator set of the utility model are common mechanical modes, and the gas preheating device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a box gas generating set's gas preheating device's generator body 2, electric plate 5, first electric control valve 16, temperature sensor 17, controller 18 and second electric control valve 22 are purchase on the market, this industry technical staff only need according to its subsidiary operating specification install and operate can, and need not the technical staff in the field and pay out the creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a box gas generating set's gas preheating device, a serial communication port, including quick-witted case (1), generator body (2), heat transfer case (3), waste heat recovery device, multiunit metal guide plate (4), multiunit electric plate (5), first gas pipe (6), second gas pipe (7) and gas valve (8), install on quick-witted case (1) inside wall generator body (2), install on quick-witted case (1) inside wall heat transfer case (3), waste heat recovery device sets up on heat transfer case (3), waste heat recovery device input and generator body (2) tail gas vent intercommunication, waste heat recovery device output communicates with each other with the outdoor, multiunit metal guide plate (4) position is crisscross respectively installs on heat transfer case (3) inside wall, multiunit electric plate (5) are installed respectively on multiunit metal guide plate (4) lateral wall, first gas pipe (6) input and external gas supply equipment intercommunication, first gas pipe (6) output intercommunication sets up in heat transfer case (3) bottom right part, second gas pipe (7) input intercommunication sets up in left side heat transfer case (3) combustion case (3), first gas pipe (7) and gas valve (8) intercommunication.

2. The gas preheating device of a box-type gas generator set according to claim 1, wherein the waste heat recovery device comprises a first tail gas pipe (9), a first gas box (10), a second gas box (11), a plurality of sets of heat conduction pipes (12) and a second tail gas pipe (13), the first tail gas pipe (9) is communicated with and arranged at a tail gas exhaust port of the generator body (2), an output end of the first tail gas pipe (9) is communicated with the first gas box (10), the first gas box (10) is arranged at a left end of the heat exchange box (3), the second gas box (11) is arranged at a right end of the heat exchange box (3), the plurality of sets of heat conduction pipes (12) are arranged inside the heat exchange box (3), left ends of the plurality of sets of heat conduction pipes (12) are communicated with the first gas box (10), right ends of the plurality of sets of heat conduction pipes (12) are communicated with the second gas box (11), and middle portions of the plurality of sets of heat conduction pipes (12) are respectively arranged inside the heat exchange box (3) in an S shape, an input end of the second tail gas pipe (13) is communicated with the second gas box (11), and an output end of the second tail gas pipe (13) is communicated with the outside.

3. The gas preheating device of a box-type gas generator set according to claim 2, further comprising a tee pipe (14), a third tail gas pipe (15), a first electric control valve (16) and a second electric control valve (22), wherein the tee pipe (14) is communicated with the first tail gas pipe (9), the third tail gas pipe (15) is communicated with one group of output ends of the tee pipe (14), the output end of the third tail gas pipe (15) is communicated with the outdoor, the first electric control valve (16) is communicated with the first tail gas pipe (9) on the right side of the tee pipe (14), and the second electric control valve (22) is communicated with the third tail gas pipe (15).

4. The gas preheating device of a box type gas generator set according to claim 1, further comprising a temperature sensor (17) and a controller (18), wherein the temperature sensor (17) is communicatively arranged on the second gas pipe (7), the controller (18) is installed on the inner side wall of the cabinet (1), and the controller (18) is electrically connected with the second gas pipe (7), the first electrically controlled valve (16) and the second electrically controlled valve (22), respectively.

5. The gas preheating device of a box-type gas generator set according to claim 1, further comprising heat-insulating cotton (19), wherein the heat-insulating cotton (19) is sleeved on the outer side wall of the heat exchange box (3).

6. A gas preheating device of a box type gas generator set according to claim 2, further comprising a plurality of sets of fins (20), wherein the plurality of sets of fins (20) are respectively sleeved on the outer side walls of the plurality of sets of heat conduction pipes (12).

7. A gas preheating device for a tank type gas turbine generator set according to any one of claims 2 or 3, further comprising two sets of rain-proof caps (21), wherein the two sets of rain-proof caps (21) are respectively installed at the output ends of the second tail gas pipe (13) and the third tail gas pipe (15).

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