CN214172225U - Device for preventing mixed gas of air and fuel gas entering hearth from generating deflagration - Google Patents
Device for preventing mixed gas of air and fuel gas entering hearth from generating deflagration Download PDFInfo
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- CN214172225U CN214172225U CN202023285384.6U CN202023285384U CN214172225U CN 214172225 U CN214172225 U CN 214172225U CN 202023285384 U CN202023285384 U CN 202023285384U CN 214172225 U CN214172225 U CN 214172225U
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Abstract
The pressure relief valve device can relieve the pressure of the mixed gas of the air and the fuel gas entering the hearth when the pressure reaches the pressure set by the pressure relief valve device, so that the pressure of the mixed gas of the air and the fuel gas in the hearth is prevented from continuously rising, and the mixed gas of the air and the fuel gas entering the hearth is effectively prevented from generating deflagration.
Description
Technical Field
The utility model relates to a gas kitchen range, concretely relates to device that mixed gas of air and gas that prevents to get into in furnace produces deflagration.
Background
The tolerance and the pressure of the air that present gas kitchen range got into in the furnace and the gas mixture of gas are unstable, rise suddenly sometimes, produce deflagration in furnace, send the explosion sound, cause the fear, will press the pot jack-up on the pot circle even, bring the injury for cooking personnel.
In order to solve the problem that the mixed gas of air and fuel gas entering a hearth is subjected to deflagration, a plurality of notches are formed in the upper part of the pot ring, and the outer surface of the pot bottom generates a gap between the notch area of the pot ring and the pot ring, so that the mixed gas of air and fuel gas entering the hearth is prevented from generating high pressure in the hearth. However, high-temperature gas generated by combustion in the hearth is continuously discharged from the gap, which results in waste of heat, and also causes great discomfort to people who bake their hands and faces, especially in hot summer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for preventing the mixed gas of air and gas that gets into in the furnace from producing deflagration.
The utility model discloses a prevent to get into the device that the mist of air and gas in the furnace produced deflagration, have a gas kitchen range, a fan, a main gas valve and a normal naked light gas valve, have a main burner and a normal naked light combustor in the furnace of this gas kitchen range, its characterized in that still has:
a pressure air supply pipeline, the air inlet end of which is connected with the outlet of the fan;
the air inlet end of the main burner air supply pipeline is connected with the air outlet end of the pressure air supply pipeline, and the air outlet end of the main burner air supply pipeline is connected with the inlet of the main burner;
the air inlet end of the normally open flame burner air supply pipeline is connected with the air outlet end of the pressure air supply pipeline, and the air outlet end of the normally open flame burner air supply pipeline is connected with the inlet of the normally open flame burner;
the gas inlet end of the main burner gas supply pipeline is connected with the outlet of the main gas valve, and the gas outlet end of the main burner gas supply pipeline is connected with the main burner air supply pipeline;
the gas inlet end of the normally open flame burner gas supply pipeline is connected with the outlet of the normally open flame gas valve, and the gas outlet end of the normally open flame burner gas supply pipeline is connected with the normally open flame burner air supply pipeline;
a relief valve device mounted on the main burner air supply line or on the pressure air supply line.
The utility model discloses a prevent to get into the device that mixed gas of air in the furnace and gas produced deflagration, because the relief valve device is installed on main burner air supply line or on the pressure air supply line, when the pressure of the mixed gas of air in the entering furnace and gas reaches the pressure that the relief valve device was set for, the relief valve device will dump this pressure, avoid the pressure of the mixed gas of air in the furnace and gas to continue to rise, effectively prevent to get into the mixed gas of air in the furnace and gas and produce deflagration.
The utility model discloses a prevent to get into the mixed gas of air in the furnace and gas and produce the device of deflagration, under the condition that this relief valve device was installed on this main burner air supply pipeline, this relief valve device is located the upper reaches at this main burner gas supply pipeline and this main burner air supply pipeline connection position.
Therefore, when the pressure of gas in all pipelines reaches the set pressure, the pressure of the gas can be more rapidly transmitted to the pressure release valve device, so that the pressure of the gas in the pipelines is prevented from continuously rising, and the pipelines are protected.
The utility model discloses a prevent to get into the mixed gas of air in the furnace and gas and produce the device of deflagration, still have an air steady voltage container, install under the condition on this main burner air supply line at this relief valve device, this air steady voltage container is installed on this main burner air supply line, is located the upper reaches at this main burner gas supply line and this main burner air supply line connection position, and this relief valve device is installed at this air steady voltage container top.
Thus, the air pressure stabilizing container is arranged on the air supply pipeline of the main burner, has larger volume, has the functions of balancing the increase of the pressure air flow and the pressure rise in the moment, and is favorable for stably supplying the pressure air to the main burner.
Drawings
FIG. 1 is a schematic perspective view of the apparatus for preventing deflagration of a mixture of air and gas entering a furnace according to the present invention;
fig. 2 is an enlarged schematic view of the structure of fig. 1 except for the gas range 1.
Detailed Description
The following description will be made with reference to the accompanying drawings for further explaining the embodiment of the device for preventing the mixed gas of air and gas from deflagration in the furnace, and the features and advantages of the device for preventing the mixed gas of air and gas from deflagration in the furnace will become more apparent.
Referring to fig. 1 and 2, the device for preventing deflagration of the mixture of air and gas entering the furnace of the present invention comprises a gas stove 1, a fan 2, a main gas valve 3, a normally open gas valve 4, a magnet switch valve 5, a tee pipe fitting 6, an air pressure-stabilizing container 7 and a pressure-releasing valve device 8.
The air pressure stabilizing container 7 is a rectangular case, an air inlet short pipe 71 is connected to one longitudinal side wall thereof, an air outlet short pipe 72 is connected to one transverse side wall thereof, a transverse rectangular through hole 73 is formed in the top wall thereof adjacent to the side wall to which the air inlet short pipe 71 is connected, and a circular through hole 74 is formed in the top wall thereof remote from the side wall to which the air inlet short pipe 71 is connected. A vertical rectangular long through hole 75 and a vertical rectangular short through hole 76 are formed in the side wall opposite to the side wall to which the short outlet pipe 72 is connected. The right side walls of the vertical rectangular long through hole 75 and the vertical rectangular short through hole 76 are in the same vertical plane as the left side wall of the horizontal rectangular through hole 73.
A rectangular main shutter plate 34 is inserted downward into the air stabilizer container 7 through a rectangular through hole 73, the top of the rectangular main shutter plate 34 is connected to one end of a chain 33 through a through hole thereof, and the other end of the chain 33 is connected to a valve stem of the main gas valve 3. Thus, when the cooking person rotates the handle of the main gas valve 3 to adjust the flow rate of the gas flowing through the main gas valve 3, the rotation of the valve rod of the main gas valve 3 is converted into the up-and-down movement of the rectangular main shutter 34 by the chain 33, and the flow rate of the air entering the main burner (not shown) can be synchronously adjusted.
The flow rate of air to be supplied to the main burner (not shown) can be finely adjusted by horizontally inserting a plurality of rectangular sub-gate plates 24 into the air stabilizer tank 7 through rectangular through holes 75, and horizontally inserting a rectangular sub-gate plate 25 into the air stabilizer tank 7 through a rectangular through hole 76, and adjusting the insertion lengths thereof.
A pipe connection 10 is connected to the inlet stub 71 of the air ballast tank 7, the pipe connection 10 being used for supplying air to a normally open flame burner (not shown).
A butterfly valve 9 is installed in the air inlet short pipe 71 of the air pressure stabilizing container 7, the butterfly valve 9 is positioned at the downstream of the pipe joint 10, and the opening degree of the butterfly valve 9 can be adjusted by rotating a handle 91 of the butterfly valve 9, so that the proportion of the flow rate of air entering a main burner (not shown) to the flow rate of air entering a normally open burner (not shown) can be adjusted.
The relief valve device 8 has a valve seat 81, a valve plate 82, a spring 83, a spring seat 84, and three sets of stud-nut assemblies 85.
The screw rod parts of one ends of three stud bolts of the three sets of stud bolt-nut assemblies 85 are respectively inserted into three through holes of the spring seat 84, and nuts are respectively screwed on the ends; and the other three nuts are screwed on the screw rod parts at the other ends of the three stud bolts respectively, and then the other ends of the three stud bolts are screwed into three threaded holes in the top wall of the air pressure stabilizing container 7, the centers of the three threaded holes are on the same circle, the circle is concentric with the circular through hole 74 in the top wall, and the three threaded holes form an angle of 120 degrees. The valve seat 81 is fixedly installed on the top wall of the air pressure stabilizing container 7, and the center through hole of the valve seat 81 is concentric with the circular through hole 74. The valve plate 82 is pressed against the valve seat 81 by the elastic force of the spring 83. By adjusting the depth of the three stud bolts screwed into the three threaded holes, the magnitude of the elastic force applied to the valve plate 82 by the spring 83 can be adjusted, thereby adjusting the pressure relief pressure of the pressure relief valve device 8.
One end of a pipeline 21 is connected with the outlet of the fan 2, and the other end is connected with an air inlet short pipe 71 of the air pressure stabilizing container 7.
One end of a pipeline 23 is connected with an air outlet short pipe 72 of the air pressure stabilizing vessel 7, and the other end is connected with a mixed gas inlet of air and fuel gas of a main burner (not shown).
One end of a pipeline 31 is connected with the outlet of the main gas valve 3, and the other end is connected with the inlet of the magnet switch valve 5 away from the boiler.
One end of a pipeline 32 is connected with the outlet of the magnet switch valve 5, and the other end is connected with a pipe joint 20 on the short air outlet pipe 72 of the air pressure stabilizing container 7.
One end of a pipeline 42 is connected with the pipe joint 10 on the air inlet short pipe 71 of the air pressure stabilizing container 7, and the other end is connected with one port of the tee pipe fitting 6.
One end of a pipeline 42 is connected with the pipe joint 10 on the air inlet short pipe 71 of the air pressure stabilizing container 7, and the other end is connected with the first port of the tee pipe fitting 6.
One end of a pipeline 43 is connected with a second port of the tee pipe fitting 6, the second port and the first port have the same central line, and the other end is connected with a mixed gas inlet of air and fuel gas of a normally open flame burner (not shown).
One end of a pipeline 41 is connected with the outlet of the normally open fire gas valve 4, and the other end is connected with the third port of the three-way pipe fitting 6.
A pot ring 11 is placed on top of the gas stove 1.
Reference numeral 12 denotes a hearth of the gas cooking range 1.
The utility model discloses a prevent to get into the mixed gas of air in the furnace and gas and produce the working process of device of deflagration as follows:
1. starting the fan 2, enabling pressure air discharged from an outlet of the fan 2 to enter an air inlet short pipe 71 of the air pressure stabilizing container 7 through a pipeline 21, enabling a small part of the pressure air to enter a pipeline 42, then entering the tee pipe fitting 6, enabling the rest of the pressure air to enter the air pressure stabilizing container 7, and then entering an air outlet short pipe 72 of the air pressure stabilizing container 7;
2. the normally open fire gas valve 4 is manually opened, external gas enters the pipeline 41 through the normally open fire gas valve 4 and then enters the three-way pipe fitting 6 to be mixed with air entering the three-way pipe fitting 6 to form mixed gas of air and gas, the mixed gas enters a normally open fire burner (not shown) through a pipeline 43, when the normally open fire gas valve 4 is opened, the automatic lighter automatically fires in front of the normally open fire burner (not shown), and the mixed gas sprayed from the normally open fire burner (not shown) is ignited to generate normally open fire flame;
3. the pot is taken away from the pot magnet switch valve 5 and placed on the pot ring 11, a hearth can be basically sealed, the pot magnet switch valve 5 is automatically opened, the main gas valve 3 is manually opened, external gas enters the pipeline 31 through the main gas valve 3, then enters the pipeline 32 through the pot magnet switch valve 5, then enters the gas outlet short pipe 72 through the pipe joint 20 and is mixed with air entering the gas outlet short pipe 72 to form mixed gas of air and gas, the mixed gas enters the main burner (not shown) through the pipeline 23, is sprayed out of the main burner (not shown), is ignited by flame of normal open flame, and main burning flame is generated.
The utility model discloses a prevent to get into the device that the mist of air in the furnace and gas produced deflagration, can set for pressure that a pressure that is less than the air that gets into in the furnace and the mist of gas produced deflagration for relief valve device 8, when the pressure of the air that gets into in the furnace and the mist of gas reached the pressure of setting, this pressure can be through the space that transmits the space in the pipeline of the space intercommunication in inclosed furnace space and the air steady voltage container 7 to the space in the air steady voltage container 7, this pressure upwards uses on valve plate 82, overcome the elasticity that spring 83 applyed, make valve plate 82 jump upwards, open the central through hole of disk seat 81, the gas in the air steady voltage container 7 lets out, the mixture pressure in the inclosed furnace space reduces thereupon, the mixture of air and the gas that gets into in the furnace produces deflagration and is prevented.
Further analysis just can discover, in addition, the utility model discloses a device that prevents to get into the air in the furnace and the mist of gas produces deflagration can also reach when setting pressure to the pressure with the gaseous pressure in all pipelines of the space intercommunication in the air steady voltage container 7, prevents that the pressure of the gaseous in the pipeline from continuing to rise, plays the guard action to these pipelines.
Claims (3)
1. The device for preventing the mixed gas of air and gas that gets into in the furnace from producing deflagration has a gas kitchen range, a fan, a main gas valve and a normal naked light gas valve, has a main combustor and a normal naked light combustor in the furnace of this gas kitchen range, and its characterized in that still has:
a pressure air supply pipeline, the air inlet end of which is connected with the outlet of the fan;
the air inlet end of the main burner air supply pipeline is connected with the air outlet end of the pressure air supply pipeline, and the air outlet end of the main burner air supply pipeline is connected with the inlet of the main burner;
the air inlet end of the normally open flame burner air supply pipeline is connected with the air outlet end of the pressure air supply pipeline, and the air outlet end of the normally open flame burner air supply pipeline is connected with the inlet of the normally open flame burner;
the gas inlet end of the main burner gas supply pipeline is connected with the outlet of the main gas valve, and the gas outlet end of the main burner gas supply pipeline is connected with the main burner air supply pipeline;
the gas inlet end of the normally open flame burner gas supply pipeline is connected with the outlet of the normally open flame gas valve, and the gas outlet end of the normally open flame burner gas supply pipeline is connected with the normally open flame burner air supply pipeline;
a relief valve device mounted on the main burner air supply line or on the pressure air supply line.
2. The apparatus for preventing the explosion of a mixture of air and gas introduced into a furnace according to claim 1, wherein in the case where the pressure relief valve device is installed on the main burner air supply line, the pressure relief valve device is located upstream of a portion where the main burner gas supply line is connected to the main burner air supply line.
3. An apparatus for preventing the occurrence of a detonation of a mixture of air and gas introduced into a furnace according to claim 1, further comprising an air surge tank mounted on the main burner air supply line upstream of a connection point of the main burner gas supply line and the main burner air supply line in a state where the pressure relief valve means is mounted on the main burner air supply line, the pressure relief valve means being mounted on the top of the air surge tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023285384.6U CN214172225U (en) | 2020-12-30 | 2020-12-30 | Device for preventing mixed gas of air and fuel gas entering hearth from generating deflagration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023285384.6U CN214172225U (en) | 2020-12-30 | 2020-12-30 | Device for preventing mixed gas of air and fuel gas entering hearth from generating deflagration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214172225U true CN214172225U (en) | 2021-09-10 |
Family
ID=77610929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023285384.6U Active CN214172225U (en) | 2020-12-30 | 2020-12-30 | Device for preventing mixed gas of air and fuel gas entering hearth from generating deflagration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214172225U (en) |
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2020
- 2020-12-30 CN CN202023285384.6U patent/CN214172225U/en active Active
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