CN217002102U - Anti-backfire device of intercooling pressurized gas generator set - Google Patents

Anti-backfire device of intercooling pressurized gas generator set Download PDF

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Publication number
CN217002102U
CN217002102U CN202220682846.8U CN202220682846U CN217002102U CN 217002102 U CN217002102 U CN 217002102U CN 202220682846 U CN202220682846 U CN 202220682846U CN 217002102 U CN217002102 U CN 217002102U
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engine
air
backfire
valve
gas
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CN202220682846.8U
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毛宏伟
韩颜隆
韩宾宾
郭新文
崔涛
丁志刚
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Xinsheng'an Power Technology Shandong Co ltd
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Xinsheng'an Power Technology Shandong Co ltd
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Abstract

The utility model discloses an inter-cooling supercharged gas generator set anti-backfire device which comprises a generator and an engine in transmission connection with the generator, wherein the engine is provided with a supercharger, a mixer and a intercooler, and air and gas are mixed in the mixer, compressed by the supercharger and cooled by the intercooler, enter a combustion chamber of the engine through a gas inlet pipeline, are combusted and are discharged through an outlet cavity; and one end of the fuel gas inlet pipeline, which is close to the inlet of the combustion chamber of the engine, is provided with an anti-backfire self-leakage mechanism. The anti-backfire self-release mechanism is ingenious and reasonable in structural design, when fuel gas is pressurized by an engine and enters the cylinder to do work, if the pressure value is larger than the air inlet value, the valve core of the anti-explosion valve is jacked open to release redundant air pressure, and when the pressure requirement is met, the jacking spring arranged in the anti-explosion valve jacks the valve core back, the unit continues to normally work, and the problem of backfire of the generator set can be effectively avoided.

Description

Anti-backfire device of intercooling pressurized gas generator set
Technical Field
The utility model belongs to the technical field of gas generator sets, and particularly relates to an anti-backfire device of an intercooling supercharged gas generator set.
Background
The gas generator set is a novel generator set developed to adapt to the world environmental protection requirement and the new market environment. The gas generator set has the advantages of wide output power range, high starting and operating reliability, good power generation quality, light weight, small volume, simple maintenance, low frequency noise and the like. The method has the advantages of fully utilizing various natural gases or harmful gases as fuels, changing waste into valuable, being safe and convenient to operate, having high cost benefit, low emission pollution, being suitable for cogeneration of heat and electricity and the like, and having very wide market prospect.
The tempering of the generator set is accidental and destructive, particularly once the tempering of the intercooling pressurization gas generator set occurs, the mixer diaphragm of the engine is easy to damage, the generator set is suddenly stopped and other serious faults are easily caused, and at present, no effective means is available for controlling the tempering phenomenon.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing the anti-backfire device of the intercooling pressurized gas generator set, which has reasonable structural design and convenient installation and can effectively avoid the backfire phenomenon of the generator set.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the anti-backfire device comprises a generator and an engine in transmission connection with the generator, wherein the engine is provided with a supercharger, a mixer and an intercooler, air and gas are mixed in the mixer, compressed by the supercharger and cooled by the intercooler, enter a combustion chamber of the engine through a gas inlet pipeline, are combusted and are discharged through an outlet cavity; and one end of the fuel gas inlet pipeline, which is close to the inlet of the engine combustion chamber, is provided with an anti-backfire self-leakage mechanism.
As a preferred technical scheme, the anti-backfire self-venting mechanism comprises a three-way seat with an air inlet, an air outlet and an air outlet, the air inlet of the three-way seat is connected with the fuel gas inlet pipeline, the air outlet of the three-way seat is connected with a flange of a combustion chamber inlet of the engine, and an anti-explosion valve is installed at the air outlet of the three-way seat.
As a preferred technical scheme, the explosion-proof valve comprises a valve body, wherein a valve seat connected with the three-way seat is arranged at the bottom of the valve body, an air leakage opening communicated with an air exhaust opening of the three-way seat is formed in the valve seat, a valve core in sealing fit with the air leakage opening is arranged in the valve body, and a jacking spring is arranged between the valve core and the valve body; and the outer wall of the valve body is provided with an air leakage hole.
Due to the adoption of the technical scheme, the utility model has at least the following beneficial effects:
(1) the anti-backfire self-leakage mechanism is ingenious and reasonable in structural design and small in design space, successfully solves the installation problem of the inlet of the engine combustion chamber through the tee seat, and is convenient to install and maintain.
(2) Through installing tempering prevention from letting out mechanism at engine combustion chamber entrance, when the gas is done work through engine boosting in getting into the cylinder, if the pressure value is greater than the air admission value, the case of explosion-proof valve will be backed down, release unnecessary atmospheric pressure, and when reaching the pressure requirement, the built-in roof pressure spring of explosion-proof valve backs down the case, and the unit continues normal work, can effectively avoid generating set tempering phenomenon to lead to serious faults such as unit shut down suddenly.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural diagram of an intercooling supercharged gas generator set in an embodiment of the utility model;
FIG. 2 is a schematic view of the installation of the backfire preventing device according to the embodiment of the utility model;
fig. 3 is a schematic structural diagram of an explosion-proof valve in an embodiment of the utility model.
In the figure: 1-a generator; 2-an engine; 21-a combustion chamber inlet flange; 3, an intercooler; 4-a gas inlet pipeline; 51-three-way seat; 511-air inlet; 512-air outlet; 513-an exhaust port; 52-an explosion-proof valve; 521-a valve body; 522-valve seat; 523-air release port; 524-a valve core; 525-top pressure spring; 526-air leakage hole.
Detailed Description
The utility model is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 and fig. 2, the anti-backfire device of the intercooling supercharged gas generator set comprises a generator 1 and an engine 2 in transmission connection with the generator 1, wherein a supercharger, a mixer and an intercooler 3 are arranged on the engine 2, and after air and gas are mixed in the mixer, compressed by the supercharger and cooled by the intercooler 3, the air and the gas enter a combustion chamber of the engine 2 through a gas inlet pipeline 4 to be combusted and discharged through an outlet cavity; and a backfire-proof self-leakage mechanism is arranged at one end of the fuel gas inlet pipeline 4 close to the inlet of the combustion chamber of the engine 2.
Referring to fig. 2, in the present embodiment, the anti-backfire self-leakage mechanism includes a three-way seat 51, the three-way seat 51 has an air inlet 511, an air outlet 512 and an air outlet 513, the air inlet 511 of the three-way seat 51 is connected to the gas inlet pipeline 4, the air outlet 512 of the three-way seat 51 is connected to the combustion chamber inlet flange 21 of the engine 2, and the air outlet 513 of the three-way seat 51 is provided with an explosion-proof valve 52. The anti-backfire self-leakage mechanism is ingenious and reasonable in structural design, the problem that the space of the inlet of an engine combustion chamber is small and not easy to install is solved ingeniously through the three-way seat 51, and installation and maintenance are convenient. Of course, other structures capable of achieving the anti-backfire function may be adopted instead, and all of them should fall into the protection scope of the present invention.
Referring to fig. 3, the explosion-proof valve 52 includes a valve body 521, a valve seat 522 connected to the three-way seat 51 is disposed at the bottom of the valve body 521, a relief opening 523 communicated with the exhaust opening 513 of the three-way seat 51 is disposed on the valve seat 522, a valve element 524 hermetically fitted with the relief opening 523 is disposed in the valve body 521, and a sealing ring 527 is disposed on a sealing surface between the valve element and the valve body to ensure sealing performance during normal operation; a top pressure spring 525 is arranged between the valve core 524 and the valve body 521, one end of the top pressure spring 525 is fixed on the valve core 524, and the other end is fixed inside the valve body 521; an air release hole 526 is formed in the outer wall of the valve body 521.
The working principle of the utility model is as follows: when gas is pressurized by an engine and works in a cylinder, the highest air inlet pressure value is provided, if the pressure value is larger than the air inlet value, a valve core 524 in the explosion-proof valve is upwards jacked open, a sealing surface between the valve core and a valve body is damaged, redundant air pressure is released from an air leakage hole 526, when the pressure requirement is met, a jacking spring 525 arranged in the explosion-proof valve jacks the valve core 524 back, and the unit continues to normally work, so that serious faults such as sudden shutdown of the unit and the like caused by the tempering phenomenon of the generator set can be effectively avoided.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications of the utility model without departing from the spirit and principles of the utility model should be considered within the scope of the utility model.

Claims (3)

1. The anti-backfire device of the intercooling pressurization gas generator set comprises a generator and an engine in transmission connection with the generator, wherein the engine is provided with a supercharger, a mixer and an intercooler, and air and gas are mixed in the mixer, compressed by the supercharger and cooled by the intercooler, enter a combustion chamber of the engine through a gas inlet pipeline, are combusted and are discharged through an outlet cavity; the method is characterized in that: and one end of the fuel gas inlet pipeline, which is close to the inlet of the engine combustion chamber, is provided with an anti-backfire self-leakage mechanism.
2. The inter-cooling supercharged gas-fired power generator set anti-backfire device of claim 1, wherein: the anti-backfire self-venting mechanism comprises a three-way seat with an air inlet, an air outlet and an air outlet, the air inlet of the three-way seat is connected with the fuel gas inlet pipeline, the air outlet of the three-way seat is connected with a combustion chamber inlet flange of the engine, and an anti-explosion valve is installed at the air outlet of the three-way seat.
3. The anti-backfire device of said intercooling pressurized gas-electric generating set of claim 2, wherein: the explosion-proof valve comprises a valve body, a valve seat connected with the three-way seat is arranged at the bottom of the valve body, an air release opening communicated with an air exhaust opening of the three-way seat is formed in the valve seat, a valve core in sealing fit with the air release opening is arranged in the valve body, and a jacking spring is arranged between the valve core and the valve body; and the outer wall of the valve body is provided with an air leakage hole.
CN202220682846.8U 2022-03-25 2022-03-25 Anti-backfire device of intercooling pressurized gas generator set Active CN217002102U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220682846.8U CN217002102U (en) 2022-03-25 2022-03-25 Anti-backfire device of intercooling pressurized gas generator set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220682846.8U CN217002102U (en) 2022-03-25 2022-03-25 Anti-backfire device of intercooling pressurized gas generator set

Publications (1)

Publication Number Publication Date
CN217002102U true CN217002102U (en) 2022-07-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220682846.8U Active CN217002102U (en) 2022-03-25 2022-03-25 Anti-backfire device of intercooling pressurized gas generator set

Country Status (1)

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CN (1) CN217002102U (en)

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