CN103244728B - Gas valve and double-gas-source gas system - Google Patents
Gas valve and double-gas-source gas system Download PDFInfo
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- CN103244728B CN103244728B CN201310139605.4A CN201310139605A CN103244728B CN 103244728 B CN103244728 B CN 103244728B CN 201310139605 A CN201310139605 A CN 201310139605A CN 103244728 B CN103244728 B CN 103244728B
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Abstract
The invention discloses a gas valve comprising a valve body. The valve body is provided with a high-heat gas passage and a low-heat gas passage inside. The valve body is provided with a safety ignition device gas inlet, a low-heat gas safety ignition device gas outlet, a high-heat gas safety ignition device gas outlet and a safety ignition device shut-off valve. The low-heat gas safety ignition device gas outlet and the high-heat gas safety ignition device gas outlet are communicated with the safety ignition device gas inlet. When high-heat gas is fed into the low-heat gas passage, the safety ignition device shut-off valve can shut off the low-heat gas passage. When low-heat gas is fed into the low-heat gas passage, the safety ignition device shut-off valve can allow for communication of the low-heat gas passage. When different gases are fed, a system can switch to corresponding reducing valves, safety ignition devices and nozzles. By the safety ignition device shut-off valve, when a user mistakenly feed liquefied gas into a natural gas inlet, the low-heat gas passage is shut off immediately due to the fact that pressure of the liquefied gas is higher than natural gas, and accordingly potential safety hazard is avoided.
Description
Technical field
The invention provides a kind of reduction valve, more precisely a kind of gas valve.
Background technique
In general gas burning system, combustion gas is different, and reduction valve is then different, and corresponding safety ignitor can be different, and gas nozzle can be different in addition.And in the gas system with double gas sources of present stage, when accessing different combustion gas, system can not be switched to right reduction valve, safety ignitor and nozzle, needs manually to change, be inconvenient to use, and user can be wrong liquid gas access rock gas suction port in use, because the calorific value of liquid gas is higher than rock gas, once wrong, when opening main flame, flame will become very large, have potential safety hazard, therefore add this device.
Summary of the invention
The object of this invention is to provide a kind of dual gas supply seal bar and dual gas supply control system, it can solve the above-mentioned shortcoming of prior art.
The present invention is by the following technical solutions:
A kind of gas valve, comprise a valve body, described valve inner is provided with higher calorific value blast tube and a fuel gas with low heat value passage; Described valve body is provided with a safety ignitor suction port and the fuel gas with low heat value safety ignitor air outlet be communicated with described safety ignitor suction port respectively and a higher calorific value gas safe ignition mechanism air outlet, also comprise one after the combustion gas of described fuel gas with low heat value passage access higher calorific value, described fuel gas with low heat value passage to be cut off, and by the safety ignitor cut-off valve of described fuel gas with low heat value channel conductive after described fuel gas with low heat value passage access fuel gas with low heat value.
Also comprise a control chamber, the right side of described safety ignitor cut-off valve is located in described control chamber, and described control chamber is by a control channel and described fuel gas with low heat value channel conductive.
Described safety ignitor cut-off valve comprises an epithelium, the left and right sides of described epithelium is in described fuel gas with low heat value passage respectively, and on the left of described epithelium, described fuel gas with low heat value passage can cut off by connection one after the combustion gas of described fuel gas with low heat value passage access higher calorific value, and by the seal bar of described fuel gas with low heat value channel conductive after described fuel gas with low heat value passage access fuel gas with low heat value.
Also comprise a spring, the outside of described seal bar is located at by described spring housing, and the two ends of described spring abut against with described epithelium and described valve body respectively.
Also comprise a seal ring, described seal ring is located in described fuel gas with low heat value passage, and described seal ring is sheathed on outside described seal bar and is disconnected by described fuel gas with low heat value passage, and one end of described spring is sheathed on the outside of described seal ring.
Described valve body is provided with a fuel gas with low heat value suction port, a higher calorific value gas inlet and the main air outlet of a combustion gas, described fuel gas with low heat value suction port is communicated with the main air outlet of described combustion gas by the fuel gas with low heat value passage being located at described valve inner, and described higher calorific value gas inlet is communicated with the main air outlet of described combustion gas by the higher calorific value blast tube being located at described valve inner, described valve body is also provided with a gas safe ignition mechanism suction port, and the higher calorific value gas safe ignition mechanism air outlet be communicated with described gas safe ignition mechanism suction port with a higher calorific value blast tube respectively by the fuel gas with low heat value passage being located at valve inner, a fuel gas with low heat value safety ignitor air outlet, described valve body is also provided with a fuel gas with low heat value nozzle suction port and a fuel gas with low heat value nozzle air outlet of connection, described valve inner is also provided with control gear, described control gear is by described safety ignitor suction port and described higher calorific value safety ignitor air outlet conducting, described fuel gas with low heat value nozzle suction port and described fuel gas with low heat value nozzle air outlet are disconnected, described higher calorific value gas safe ignition mechanism air outlet and described gas safe ignition mechanism suction port can disconnect by described control gear, simultaneously by described fuel gas with low heat value safety ignitor air outlet and the conducting of described gas safe ignition mechanism suction port, and by described fuel gas with low heat value nozzle suction port and described fuel gas with low heat value nozzle air outlet conducting.
Described fuel gas with low heat value suction port is provided with a fuel gas with low heat value suction port Sealing, and described gas conversion valve higher calorific value gas inlet is provided with a higher calorific value gas inlet Sealing.
A kind of gas system with double gas sources, it contains above-mentioned gas valve.
Also comprise a control valve, described control valve is provided with a control valve suction port, a control valve nozzle air outlet and a safety ignitor air outlet, and described control valve suction port is communicated with the main air outlet of described combustion gas, described control valve nozzle air outlet and described higher calorific value gas nozzle and described gas conversion valve fuel gas with low heat value nozzle suction port, described safety ignitor air outlet is communicated with described safety ignitor suction port, one burner, described burner is fixed with a fuel gas with low heat value safety ignitor and a higher calorific value gas safe ignition mechanism, described higher calorific value gas safe ignition mechanism and described fuel gas with low heat value safety ignitor are connected with described higher calorific value safety ignitor air outlet and described lower calorific value safety ignitor air outlet respectively, described burner comprises a higher calorific value gas burner and a low heat value gas combustion burner, described higher calorific value gas burner inside is also provided with a higher calorific value gas air mixer, described low heat value gas combustion burner inside is also provided with a fuel gas with low heat value air mixer, described fuel gas with low heat value air mixer and described higher calorific value gas air mixer connect a fuel gas with low heat value nozzle and a higher calorific value gas nozzle respectively, described fuel gas with low heat value nozzle is connected with described gas conversion valve fuel gas with low heat value nozzle air outlet, described higher calorific value gas nozzle is connected with described control valve, also comprise a thermocouple, described thermocouple is located between described higher calorific value gas ignition device and described fuel gas with low heat value ignition safety device, and described thermocouple is connected with described control valve.
Comprise a control valve, described control valve is provided with a control valve suction port, a control valve nozzle air outlet and a safety ignitor air outlet, and described control valve suction port is communicated with the air outlet of described higher calorific value gas valve and the air outlet of described fuel gas with low heat value valve; Described control valve nozzle air outlet and described higher calorific value gas nozzle and described gas conversion valve fuel gas with low heat value nozzle suction port; Described safety ignitor air outlet is communicated with described safety ignitor suction port; Burner, described burner is fixed with a fuel gas with low heat value safety ignitor and a higher calorific value gas safe ignition mechanism, described higher calorific value gas safe ignition mechanism and described fuel gas with low heat value safety ignitor are connected with described higher calorific value safety ignitor air outlet and described lower calorific value safety ignitor air outlet respectively; Described burner internal is also provided with air mixer, described air mixer connects a fuel gas with low heat value nozzle and a higher calorific value gas nozzle, described fuel gas with low heat value nozzle is connected with described fuel gas with low heat value nozzle air outlet, and described higher calorific value gas nozzle is connected with described control valve; Also comprise a thermocouple, described thermocouple is located between described higher calorific value gas ignition device and described fuel gas with low heat value ignition safety device, and described thermocouple is connected with described control valve.
Advantage of the present invention is: when namely accessing different combustion gas, system can be switched to corresponding reduction valve, safety ignitor and nozzle, and owing to adding safety cut-off valve, therefore user in use, when mistake is liquid gas access rock gas suction port, because the pressure ratio rock gas of liquid gas is high, fuel gas with low heat value passage will be cut off immediately, therefore has potential safety hazard.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail, wherein:
Fig. 1 is structural representation of the present invention.
Fig. 2 is side structure schematic diagram of the present invention.
Fig. 3 is the cut-away view of Fig. 2.
The partial enlarged drawing of the A position of Fig. 4 during to be Fig. 3 be.
Fig. 5 is another schematic diagram of structure of Fig. 2.
Fig. 6 is the cut-away view along B-B in Fig. 5.
Fig. 7 is the structural representation of F position in Fig. 6.
Fig. 8 is the structural representation of gas system with double gas sources of the present invention.
Fig. 9 is the structural representation of Fig. 8 when using higher calorific value combustion gas.
Figure 10 is the structural representation of Fig. 8 when using fuel gas with low heat value.
Structural representation when Figure 11 is the fuel gas with low heat value joint access higher calorific value combustion gas in Fig. 8.
Figure 12 is theory structure schematic diagram of the present invention.
Schematic diagram when Figure 13 is the access higher calorific value combustion gas in Figure 12.
Figure 14 is schematic diagram when accessing fuel gas with low heat value in Figure 12.
Figure 15 is schematic diagram when accessing fuel gas with low heat value joint access higher calorific value combustion gas in Figure 12.
Embodiment
The specific embodiment of the present invention is set forth further below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of gas valve, comprises a valve body, and described valve inner is provided with higher calorific value blast tube and a fuel gas with low heat value passage; Fuel gas with low heat value safety ignitor air outlet 403 and the higher calorific value gas safe ignition mechanism air outlet 404 that described valve body is provided with a safety ignitor suction port 405 and is communicated with safety ignitor suction port respectively, also comprise one after the combustion gas of fuel gas with low heat value passage access higher calorific value, fuel gas with low heat value passage to be cut off, and by the safety ignitor cut-off valve 406 of described fuel gas with low heat value channel conductive after described fuel gas with low heat value passage access fuel gas with low heat value.
As shown in Figures 2 to 7, also comprise a control chamber 4602 in the present invention, the right side of epithelium is located in control chamber 4602, and seal bar is logical by a control channel 463 and the fuel gas with low heat value safety ignitor admittance that reduce pressure.
Safety ignitor cut-off valve 406 in the present invention comprises an epithelium 4601, the left and right sides of epithelium 4601 is in higher calorific value blast tube and fuel gas with low heat value passage respectively, and on the left of epithelium 4601, described higher calorific value blast tube can cut off by connection one after the combustion gas of described fuel gas with low heat value passage access higher calorific value, and by the seal bar 4604 of described higher calorific value blast tube conducting after fuel gas with low heat value passage access fuel gas with low heat value.The surrounding of epithelium is fixed on valve body, and the fixed edge annex of epithelium is provided with one has flexible bending part, due to this kink therefore this epithelium there is certain elasticity, when after the fuel gas with low heat value passage access higher calorific value combustion gas on the left of epithelium, because the pressure of higher calorific value combustion gas is larger, can epithelium be driven thus drive seal bar, thus fuel gas with low heat value passage is cut off, and when after fuel gas with low heat value passage access fuel gas with low heat value, because the pressure of fuel gas with low heat value is less, therefore epithelium recovers its original state, therefore by fuel gas with low heat value channel conductive.
In the present invention, also comprise a spring 4606, spring 4606 is sheathed on the outside of seal bar 4604, and the two ends of spring abut against spacing with epithelium 4601 and described valve body respectively.The all right seal ring 4605 of valve body one, seal ring is located in higher calorific value blast tube, and seal bar can be located in seal ring 4605 and be disconnected by higher calorific value blast tube, and one end of spring is sheathed on the outside of seal ring.
On the valve body of the reduction valve in the present invention, also described valve body is provided with fuel gas with low heat value suction port 402, higher calorific value gas outlet 401 and the main air outlet of a combustion gas, fuel gas with low heat value suction port 402 is communicated with the main air outlet of combustion gas by the fuel gas with low heat value passage being located at valve inner, and higher calorific value gas inlet 401 is communicated with the main air outlet of combustion gas by the higher calorific value blast tube being located at valve inner, valve body is also provided with a gas safe ignition mechanism suction port, and the higher calorific value gas safe ignition mechanism air outlet be communicated with gas safe ignition mechanism suction port with a higher calorific value blast tube respectively by the fuel gas with low heat value passage being located at valve inner, a fuel gas with low heat value safety ignitor air outlet, valve body is also provided with a fuel gas with low heat value nozzle suction port and a fuel gas with low heat value nozzle air outlet of connection, valve inner is also provided with control gear, control gear is by described ignition security ignition mechanism suction port and the air outlet conducting of higher calorific value safety ignitor, fuel gas with low heat value nozzle suction port and described fuel gas with low heat value nozzle air outlet are disconnected, described higher calorific value gas safe ignition mechanism air outlet and gas safe ignition mechanism suction port can disconnect by control gear, simultaneously by described fuel gas with low heat value safety ignitor air outlet and the conducting of described gas safe ignition mechanism suction port, and by described fuel gas with low heat value nozzle suction port and described fuel gas with low heat value nozzle air outlet conducting.Valve inner is also provided with control gear, control gear is by described safety ignitor suction port and described higher calorific value safety ignitor air outlet conducting, described fuel gas with low heat value nozzle suction port and described fuel gas with low heat value nozzle air outlet are disconnected, described higher calorific value gas safe ignition mechanism air outlet and described gas safe ignition mechanism suction port can disconnect by described control gear, simultaneously by described fuel gas with low heat value safety ignitor air outlet and the conducting of described gas safe ignition mechanism suction port, and by described fuel gas with low heat value nozzle suction port and described fuel gas with low heat value nozzle air outlet conducting.
Control gear in the present invention comprises a controlling rod, described controlling rod one end connects described fuel gas with low heat value suction port Sealing, the other end connects a sealing gasket and a sealed nozzle pad, described gas conversion valve fuel gas with low heat value nozzle suction port and described gas conversion valve fuel gas with low heat value nozzle air outlet disconnect by described sealing gasket, described controlling rod can under the drive of described fuel gas with low heat value suction port Sealing, drive described sealing gasket and described sealed nozzle pad, and described higher calorific value gas safe ignition mechanism air outlet and described gas safe ignition mechanism suction port are disconnected.Described fuel gas with low heat value suction port is provided with a fuel gas with low heat value suction port Sealing, and described higher calorific value gas inlet is provided with a higher calorific value gas inlet Sealing.Controlling rod is connected one end with higher calorific value gas inlet Sealing and is arranged with one first spring, and one end of the first spring is limited on controlling rod, the other end is spacing by valve body, and controlling rod is connected one end with sealing gasket be arranged with one second spring, and one end of the first spring is limited on controlling rod, the other end is spacing by valve body.
Described higher calorific value blast tube and described fuel gas with low heat value channel interior are respectively equipped with regulator, described regulator includes a pressure regulation bolt, the central position of an epithelium is fixed in one end of described pressure regulation bolt, and the surrounding of described epithelium is fixed on valve body, a pressure adjusting spring is fixed at the top of described epithelium, the other end of described pressure adjusting spring is spacing by described valve body, and described valve body is provided with a seal ring with the pressure regulation bolt place of coupling.Regulating action can be carried out to the pressure of inlet passage inside combustion gas by this regulator.
As shown in Fig. 1 to 8, the present invention also discloses a kind of gas system with double gas sources, comprises above-mentioned gas valve, also comprises a control valve 1, control valve is provided with a control valve suction port, a control valve nozzle air outlet and a safety ignitor air outlet, and control valve suction port is communicated with the main air outlet of combustion gas, described control valve nozzle air outlet and described higher calorific value gas nozzle and described gas conversion valve fuel gas with low heat value nozzle suction port, described safety ignitor air outlet is communicated with described safety ignitor suction port, one burner 8, described burner is fixed with a fuel gas with low heat value safety ignitor and a higher calorific value gas safe ignition mechanism, described higher calorific value gas safe ignition mechanism and described fuel gas with low heat value safety ignitor are connected with described higher calorific value safety ignitor air outlet and described lower calorific value safety ignitor air outlet respectively, described burner comprises a higher calorific value gas burner and a low heat value gas combustion burner, described higher calorific value gas burner inside is also provided with a higher calorific value gas air mixer, described low heat value gas combustion burner inside is also provided with a fuel gas with low heat value air mixer, described fuel gas with low heat value air mixer and described higher calorific value gas air mixer connect fuel gas with low heat value nozzle 6 and a higher calorific value gas nozzle 7 respectively, described fuel gas with low heat value nozzle is connected with described gas conversion valve fuel gas with low heat value nozzle air outlet, described higher calorific value gas nozzle is connected with described control valve, also comprise a thermocouple, described thermocouple is located between described higher calorific value gas ignition device and described fuel gas with low heat value ignition safety device, and described thermocouple is connected with described control valve.
Gas system with double gas sources as invention can also comprise a control valve, described control valve is provided with a control valve suction port, a control valve nozzle air outlet and a safety ignitor air outlet, and described control valve suction port is communicated with the air outlet of described higher calorific value gas valve and the air outlet of described fuel gas with low heat value valve; Described control valve nozzle air outlet and described higher calorific value gas nozzle and described gas conversion valve fuel gas with low heat value nozzle suction port; Described safety ignitor air outlet is communicated with described safety ignitor suction port; Burner, described burner is fixed with a fuel gas with low heat value safety ignitor and a higher calorific value gas safe ignition mechanism, described higher calorific value gas safe ignition mechanism and described fuel gas with low heat value safety ignitor are connected with described higher calorific value safety ignitor air outlet and described lower calorific value safety ignitor air outlet respectively; Described burner internal is also provided with air mixer, described air mixer connects a fuel gas with low heat value nozzle and a higher calorific value gas nozzle, described fuel gas with low heat value nozzle is connected with described fuel gas with low heat value nozzle air outlet, and described higher calorific value gas nozzle is connected with described control valve; Also comprise a thermocouple, described thermocouple is located between described higher calorific value gas ignition device and described fuel gas with low heat value ignition safety device, and described thermocouple is connected with described control valve.In the present invention, also comprise an igniter 5, igniter is connected with ignition safety device, is lighted a fire to whole device by this igniter.Namely higher calorific value combustion gas of the present invention and fuel gas with low heat value can share a nozzle, also can respectively with a nozzle, and meanwhile, namely burner and air mixer can share and also can separately use.Also comprise a threeway 9 in the present invention, by this threeway, the air outlet of control valve 1 can connect higher calorific value gas nozzle and fuel gas with low heat value nozzle respectively.
As shown in Fig. 9 to Figure 14, working principle of the present invention is:
When using higher calorific value combustion gas, the higher calorific value gas inlet access combustion gas of gas valve, the fuel gas with low heat value suction port access combustion gas of relief valve body, now, gas kitchen pipe joint compresses Sealing, drive controlling rod and sealing gasket, described higher calorific value gas safe ignition mechanism air outlet and described gas safe ignition mechanism suction port disconnect by sealing gasket, are communicated with described fuel gas with low heat value safety ignitor air outlet with described gas safe ignition mechanism suction port simultaneously simultaneously, now combustion gas flow into control valve from the main air outlet of combustion gas, two-way is divided into by threeway after the outlet of control valve inner nozzle is flowed out, one tunnel connects higher calorific value gas nozzle, and another road connects fuel gas with low heat value suction port, flow into fuel gas with low heat value nozzle from fuel gas with low heat value air outlet, the combustion gas of flowing out from the safety ignitor air outlet of control valve is linked into the gas safe ignition mechanism suction port of dual gas supply control valve valve body, then flows out from fuel gas with low heat value safety ignitor air outlet, then flow into fuel gas with low heat value safety ignitor, when the pipe coupling of fuel gas with low heat value is taken off, due to the elastic force of the first spring and the second spring, controlling rod drives fuel gas with low heat value suction port Sealing to be sealed by fuel gas with low heat value suction port, lower calorific value safety ignitor air outlet and gas safe ignition mechanism suction port are disconnected simultaneously, higher calorific value safety ignitor air outlet is communicated with gas safe ignition mechanism suction port simultaneously, control valve drives nozzle seal by fuel gas with low heat value channel seal simultaneously, the combustion gas of flowing out from the jet expansion of control valve flow into higher calorific value gas nozzle, the combustion gas of flowing out from the safety ignitor air outlet of control valve is linked into the gas safe ignition mechanism suction port of dual gas supply control valve valve body, then higher calorific value gas safe ignition mechanism is flowed out to from higher calorific value gas outlet, ignition security cut-off valve of the present invention is the characteristic that the pressure that make use of higher calorific value combustion gas gas is greater than fuel gas with low heat value gas pressure, when accessing correct low gas, because fuel gas with low heat value gas pressure is less, the pressure of spring cannot be overcome, so time be on state, when misconnection enters higher calorific value combustion gas gas, because higher calorific value combustion gas gas pressure is comparatively large, when being greater than the spring force of spring, now epithelium drives controlling rod toward spring one lateral movement, and controlling rod is entrance choke-out, and combustion gas cannot conducting, and machine cannot be lighted a fire afterwards, protect the use safety of user.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a gas valve, comprises a valve body, and described valve inner is provided with higher calorific value blast tube and a fuel gas with low heat value passage; Described valve body is provided with a safety ignitor suction port and the fuel gas with low heat value safety ignitor air outlet be communicated with described safety ignitor suction port respectively and a higher calorific value gas safe ignition mechanism air outlet, it is characterized in that, also comprise one after the combustion gas of described fuel gas with low heat value passage access higher calorific value, described fuel gas with low heat value passage to be cut off, and by the safety ignitor cut-off valve of described fuel gas with low heat value channel conductive after described fuel gas with low heat value passage access fuel gas with low heat value.
2. gas valve according to claim 1, is characterized in that, also comprises a control chamber, and the right side of described safety ignitor cut-off valve is located in described control chamber, and described control chamber is by a control channel and described fuel gas with low heat value channel conductive.
3. gas valve according to claim 2, it is characterized in that, described safety ignitor cut-off valve comprises an epithelium, the left and right sides of described epithelium is in described fuel gas with low heat value passage respectively, and on the left of described epithelium, described fuel gas with low heat value passage can cut off by connection one after the combustion gas of described fuel gas with low heat value passage access higher calorific value, and by the seal bar of described fuel gas with low heat value channel conductive after described fuel gas with low heat value passage access fuel gas with low heat value.
4. gas valve according to claim 3, is characterized in that, also comprises a spring, and the outside of described seal bar is located at by described spring housing, and the two ends of described spring abut against with described epithelium and described valve body respectively.
5. gas valve according to claim 4, it is characterized in that, also comprise a seal ring, described seal ring is located in described fuel gas with low heat value passage, described seal ring is sheathed on outside described seal bar and is disconnected by described fuel gas with low heat value passage, and one end of described spring is sheathed on the outside of described seal ring.
6. gas valve as claimed in any of claims 1 to 5, it is characterized in that, described valve body is provided with a fuel gas with low heat value suction port, a higher calorific value gas inlet and the main air outlet of a combustion gas, described fuel gas with low heat value suction port is communicated with the main air outlet of described combustion gas by the fuel gas with low heat value passage being located at described valve inner, and described higher calorific value gas inlet is communicated with the main air outlet of described combustion gas by the higher calorific value blast tube being located at described valve inner, described valve body is also provided with a gas safe ignition mechanism suction port, and the higher calorific value gas safe ignition mechanism air outlet be communicated with described gas safe ignition mechanism suction port with a higher calorific value blast tube respectively by the fuel gas with low heat value passage being located at valve inner, a fuel gas with low heat value safety ignitor air outlet, described valve body is also provided with a fuel gas with low heat value nozzle suction port and a fuel gas with low heat value nozzle air outlet of connection, described valve inner is also provided with control gear, described control gear is by described safety ignitor suction port and described higher calorific value safety ignitor air outlet conducting, described fuel gas with low heat value nozzle suction port and described fuel gas with low heat value nozzle air outlet are disconnected, described higher calorific value gas safe ignition mechanism air outlet and described gas safe ignition mechanism suction port can disconnect by described control gear, simultaneously by described fuel gas with low heat value safety ignitor air outlet and the conducting of described gas safe ignition mechanism suction port, and by described fuel gas with low heat value nozzle suction port and described fuel gas with low heat value nozzle air outlet conducting.
7. gas valve according to claim 6, is characterized in that, described fuel gas with low heat value suction port is provided with a fuel gas with low heat value suction port Sealing, and described higher calorific value gas inlet is provided with a higher calorific value gas inlet Sealing.
8. a gas system with double gas sources, is characterized in that, comprises as the gas valve in claim 1 to 5 as described in any one.
9. a gas system with double gas sources, is characterized in that, comprises as the gas valve in claim 6 to 7 as described in any one.
10. gas system with double gas sources according to claim 9, it is characterized in that, also comprise a control valve, described control valve is provided with a control valve suction port, a control valve nozzle air outlet and a safety ignitor air outlet, and described control valve suction port is communicated with the main air outlet of described combustion gas; Described control valve nozzle air outlet and described higher calorific value gas nozzle and described fuel gas with low heat value nozzle suction port; Described safety ignitor air outlet is communicated with described safety ignitor suction port; One burner, described burner is fixed with a fuel gas with low heat value safety ignitor and a higher calorific value gas safe ignition mechanism, described higher calorific value gas safe ignition mechanism and described fuel gas with low heat value safety ignitor are connected with described higher calorific value safety ignitor air outlet and described lower calorific value safety ignitor air outlet respectively; Described burner comprises a higher calorific value gas burner and a low heat value gas combustion burner, described higher calorific value gas burner inside is also provided with a higher calorific value gas air mixer, described low heat value gas combustion burner inside is also provided with a fuel gas with low heat value air mixer, described fuel gas with low heat value air mixer and described higher calorific value gas air mixer connect a fuel gas with low heat value nozzle and a higher calorific value gas nozzle respectively, described fuel gas with low heat value nozzle is connected with described fuel gas with low heat value nozzle air outlet, and described higher calorific value gas nozzle is connected with described control valve; Also comprise a thermocouple, described thermocouple is located between described higher calorific value gas ignition device and described fuel gas with low heat value ignition safety device, and described thermocouple is connected with described control valve.
11. gas system with double gas sources according to claim 9, it is characterized in that, comprise a control valve, described control valve is provided with a control valve suction port, a control valve nozzle air outlet and a safety ignitor air outlet, and described control valve suction port is communicated with the air outlet of described higher calorific value gas valve and the air outlet of described fuel gas with low heat value valve; Described control valve nozzle air outlet and described higher calorific value gas nozzle and described fuel gas with low heat value nozzle suction port; Described safety ignitor air outlet is communicated with described safety ignitor suction port; Burner, described burner is fixed with a fuel gas with low heat value safety ignitor and a higher calorific value gas safe ignition mechanism, described higher calorific value gas safe ignition mechanism and described fuel gas with low heat value safety ignitor are connected with described higher calorific value safety ignitor air outlet and described lower calorific value safety ignitor air outlet respectively; Described burner internal is also provided with air mixer, described air mixer connects a fuel gas with low heat value nozzle and a higher calorific value gas nozzle, described fuel gas with low heat value nozzle is connected with described fuel gas with low heat value nozzle air outlet, and described higher calorific value gas nozzle is connected with described control valve; Also comprise a thermocouple, described thermocouple is located between described higher calorific value gas ignition device and described fuel gas with low heat value ignition safety device, and described thermocouple is connected with described control valve.
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| CN201310139605.4A CN103244728B (en) | 2013-04-19 | 2013-04-19 | Gas valve and double-gas-source gas system |
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| CN201310139605.4A CN103244728B (en) | 2013-04-19 | 2013-04-19 | Gas valve and double-gas-source gas system |
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| CN103244728B true CN103244728B (en) | 2015-07-08 |
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| US9752779B2 (en) | 2013-03-02 | 2017-09-05 | David Deng | Heating assembly |
| CN103644347B (en) * | 2013-12-03 | 2017-04-26 | 普鲁卡姆电器（上海）有限公司 | Fuel gas valve |
| CN105066238B (en) * | 2015-08-17 | 2017-03-22 | 浙江富迩佳电子科技有限公司 | Safety-type double-gas-source gas control system and control method |
| CN105091080A (en) * | 2015-09-09 | 2015-11-25 | 扬州市飞鹰电子科技有限公司 | Double-gas-source fuel gas oxygen deficit protection device |
| US11898747B2 (en) | 2020-04-30 | 2024-02-13 | Honeywell International Inc. | Burner system and process for natural gas production |
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