CN203297705U - Fuel gas valve and double-gas-source fuel gas system - Google Patents
Fuel gas valve and double-gas-source fuel gas system Download PDFInfo
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- CN203297705U CN203297705U CN2013202031823U CN201320203182U CN203297705U CN 203297705 U CN203297705 U CN 203297705U CN 2013202031823 U CN2013202031823 U CN 2013202031823U CN 201320203182 U CN201320203182 U CN 201320203182U CN 203297705 U CN203297705 U CN 203297705U
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Abstract
The utility model discloses a fuel gas valve. The fuel gas valve comprises a valve body, wherein a higher-calorific-value fuel gas channel and a low-calorific-value fuel gas channel are formed in the valve body; the valve body is provided with a safe ignition device gas inlet, a low-calorific-value fuel gas safe ignition device gas outlet and a higher-calorific-value fuel gas safe ignition device gas outlet, wherein the low-calorific-value fuel gas safe ignition device gas outlet and the higher-calorific-value fuel gas safe ignition device gas outlet are communicated with the safe ignition device gas inlet respectively; the valve body further comprises a safe ignition device stop valve, wherein the safe ignition device stop valve can close the low-calorific-value fuel gas channel after higher-calorific-value fuel gas enters the low-calorific-value fuel gas channel, and can open the low-calorific-value fuel gas channel after low-calorific-value fuel gas enters the low-calorific-value fuel gas channel. When different kinds of fuel gas enter the fuel gas valve, a system will be switched to corresponding pressure reducing valves, corresponding safe ignition devices and corresponding jet nozzles. Besides, due to the fact that the safe ignition device stop valve is additionally arranged, when a user mistakenly makes liquefied gas enter a natural gas inlet in a using process, as the pressure of the liquefied gas is higher than that of natural gas, the low-calorific-value fuel gas channel will be closed immediately, and potential safety hazards are avoided. The utility model further discloses the double-gas-source fuel gas system comprising the fuel gas valve.
Description
Technical field
The utility model provides a kind of reduction valve, more precisely a kind of gas valve.
Background technique
In general gas burning system, the combustion gas difference, reduction valve is 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, while accessing different combustion gas, system can not be switched to right reduction valve, safety ignitor and nozzle, need to manually change, be inconvenient to use, and the user can be wrong liquid gas access rock gas suction port, because the calorific value of liquid gas is higher than rock gas, in case wrong in use, when opening main flame, it is very large that flame will become, and potential safety hazard is arranged, therefore increased this device.
The model utility content
The purpose of this utility model is to provide a kind of dual gas supply seal bar and dual gas supply control system, and it can solve the above-mentioned shortcoming of prior art.
The utility model is by the following technical solutions:
A kind of gas valve, comprise 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 a fuel gas with low heat value safety ignitor air outlet that is communicated with described safety ignitor suction port respectively and a higher calorific value gas safe ignition mechanism air outlet, also comprise that one can be by described fuel gas with low heat value passageway shuts off after the combustion gas of described fuel gas with low heat value passage access higher calorific value, and after described fuel gas with low heat value passage access fuel gas with low heat value by the safety ignitor cut-off valve of described fuel gas with low heat value passage conducting.
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 the conducting of described fuel gas with low heat value passage.
Described safety ignitor cut-off valve comprises an epithelium, the left and right sides of described epithelium is in respectively in described fuel gas with low heat value passage, and described epithelium left side connects one can be by described fuel gas with low heat value passageway shuts off after the combustion gas of described fuel gas with low heat value passage access higher calorific value, and after described fuel gas with low heat value passage access fuel gas with low heat value by the seal bar of described fuel gas with low heat value passage conducting.
Also comprise a spring, described spring housing is located at the outside of described seal bar, and the two ends of described spring connect 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 the described seal bar outside described fuel gas with low heat value passage is disconnected, and an 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 a combustion gas master air outlet, described fuel gas with low heat value suction port is communicated with described combustion gas master air outlet by the fuel gas with low heat value passage of being located at described valve inner, and described higher calorific value gas inlet is communicated with described combustion gas master air outlet by a higher calorific value blast tube of being located at described valve inner, on described valve body, also be provided with a gas safe ignition mechanism suction port, and the higher calorific value gas safe ignition mechanism air outlet, the fuel gas with low heat value safety ignitor air outlet that are communicated with described gas safe ignition mechanism suction port of the fuel gas with low heat value passage by being located at valve inner and a higher calorific value blast tube respectively, on described valve body, also be 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 also is 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 control gear can disconnect described higher calorific value gas safe ignition mechanism air outlet and described gas safe ignition mechanism suction port, 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 described combustion gas master air outlet, described control valve nozzle air outlet is communicated with 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, on described burner, be 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 also is provided with a higher calorific value gas air mixer, described low heat value gas combustion burner inside also is 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 respectively 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 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 is communicated with 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, on described burner, be 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 inside also is provided with air mixer, on described air mixer, connect 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.
The utility model has the advantages that: while 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 the user in use, when mistake accesses the rock gas suction port to liquid gas, because the pressure ratio rock gas of liquid gas is high, the fuel gas with low heat value passage will be cut off immediately, and therefore potential safety hazard is arranged.
The accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the utility model is elaborated, wherein:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is side structure schematic diagram of the present utility model.
Fig. 3 is the cut-away view of Fig. 2.
Fig. 4 is the partial enlarged drawing of the A position during Fig. 3 is.
Fig. 5 is another schematic diagram of structure of Fig. 2.
Fig. 6 is along the cut-away view of 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 utility model.
Fig. 9 is the structural representation of Fig. 8 while using the higher calorific value combustion gas.
Figure 10 is the structural representation of Fig. 8 while 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 utility model.
Schematic diagram when Figure 13 is the access higher calorific value combustion gas in Figure 12.
Figure 14 is the schematic diagram while accessing fuel gas with low heat value in Figure 12.
Figure 15 is the schematic diagram when in Figure 12, access fuel gas with low heat value joint accesses the higher calorific value combustion gas.
Embodiment
Below in conjunction with accompanying drawing, further set forth embodiment of the present utility model:
As shown in Figure 1, a kind of gas valve, comprise 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 405 and a fuel gas with low heat value safety ignitor air outlet 403 that is communicated with the safety ignitor suction port respectively and a higher calorific value gas safe ignition mechanism air outlet 404, also comprise that one can be by the fuel gas with low heat value passageway shuts off after the combustion gas of fuel gas with low heat value passage access higher calorific value, and after described fuel gas with low heat value passage access fuel gas with low heat value by the safety ignitor cut-off valve 406 of described fuel gas with low heat value passage conducting.
As shown in Figures 2 to 7, in the utility model, also comprise a control chamber 4602, the right side of epithelium is located in control chamber 4602, and seal bar is logical with fuel gas with low heat value safety ignitor decompression admittance by a control channel 463.
Safety ignitor cut-off valve 406 in the utility model comprises an epithelium 4601, the left and right sides of epithelium 4601 is in respectively in higher calorific value blast tube and fuel gas with low heat value passage, and epithelium 4601 left sides connect one and can after the combustion gas of described fuel gas with low heat value passage access higher calorific value, described higher calorific value blast tube be cut off, and after fuel gas with low heat value passage access fuel gas with low heat value by the seal bar 4604 of described higher calorific value blast tube conducting.The surrounding of epithelium is fixed on valve body, and the fixed edge annex of epithelium is provided with one and has flexible bending part, due to this kink therefore this epithelium have certain elasticity, after the fuel gas with low heat value passage access higher calorific value combustion gas in epithelium left side, because the pressure of higher calorific value combustion gas is larger, thereby can drive epithelium and drive seal bar, thereby by the fuel gas with low heat value passageway shuts off, and 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 the conducting of fuel gas with low heat value passage.
In the utility model, also comprise a spring 4606, spring 4606 is sheathed on the outside of seal bar 4604, and the two ends of spring connect spacing with epithelium 4601 and described valve body respectively.The all right seal ring 4605 of valve body one, seal ring is located in the higher calorific value blast tube, and it is interior by the disconnection of higher calorific value blast tube that seal bar can be located at seal ring 4605, and an end of spring is sheathed on the outside of seal ring.
on the valve body of the reduction valve in the utility model also described valve body be provided with a fuel gas with low heat value suction port 402, a higher calorific value gas outlet 401 and a combustion gas master air outlet, fuel gas with low heat value suction port 402 is communicated with combustion gas master air outlet by the fuel gas with low heat value passage of being located at valve inner, and higher calorific value gas inlet 401 is communicated with combustion gas master air outlet by a higher calorific value blast tube of being located at valve inner, on valve body, also be provided with a gas safe ignition mechanism suction port, and the higher calorific value gas safe ignition mechanism air outlet, the fuel gas with low heat value safety ignitor air outlet that are communicated with gas safe ignition mechanism suction port of the fuel gas with low heat value passage by being located at valve inner and a higher calorific value blast tube respectively, on valve body, also be 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 also is provided with control gear, control gear is by described igniting safety ignitor 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, control gear can disconnect described higher calorific value gas safe ignition mechanism air outlet and gas safe ignition mechanism suction port, 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 also is 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 control gear can disconnect described higher calorific value gas safe ignition mechanism air outlet and described gas safe ignition mechanism suction port, 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 utility model 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 sealing gasket disconnects 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, described controlling rod can be 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 an end with higher calorific value gas inlet Sealing and is arranged with one first spring, and an end of the first spring is limited on controlling rod, the other end is spacing by valve body, and controlling rod is connected an end and is arranged with one second spring with sealing gasket, and an end of the first spring is limited on controlling rod, and 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, one end of described pressure regulation bolt is fixed in the central position of an epithelium, 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 with pressure regulation bolt coupling place, is provided with a seal ring on described valve body.By this regulator, can carry out regulating action to the pressure of inlet passage inside combustion gas.
as shown in Fig. 1 to 8, the utility model also discloses a kind of gas system with double gas sources, comprise above-mentioned gas valve, also comprise 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 the control valve suction port is communicated with combustion gas master air outlet, described control valve nozzle air outlet is communicated with 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, on described burner, be 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 also is provided with a higher calorific value gas air mixer, described low heat value gas combustion burner inside also is 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 respectively a fuel gas with low heat value nozzle 6 and a higher calorific value gas nozzle 7, 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 novel as practicality 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 is communicated with 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, on described burner, be 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 inside also is provided with air mixer, on described air mixer, connect 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 utility model, also comprise an igniter 5, igniter is connected with ignition safety device, by this igniter, whole device is lighted a fire.Be that higher calorific value combustion gas of the present utility model and fuel gas with low heat value can share a nozzle, also can be respectively with a nozzle, simultaneously, burner and air mixer namely can share also and can separately use.In the utility model, also comprise a threeway 9, by this threeway, the air outlet of control valve 1 can connect respectively higher calorific value gas nozzle and fuel gas with low heat value nozzle.
To shown in Figure 14, working principle of the present utility model is as Fig. 9:
when using the 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, at this moment, gas kitchen pipe joint compresses Sealing, drive simultaneously controlling rod and sealing gasket, sealing gasket disconnects described higher calorific value gas safe ignition mechanism air outlet and described gas safe ignition mechanism suction port, simultaneously described fuel gas with low heat value safety ignitor air outlet is communicated with described gas safe ignition mechanism suction port, combustion gas this moment flow into control valve from combustion gas master air outlet, after flowing out, the outlet of control valve inner nozzle is divided into two-way by threeway, one tunnel connects the higher calorific value gas nozzle, and another road connects the fuel gas with low heat value suction port, from the fuel gas with low heat value air outlet, flow into the fuel gas with low heat value nozzle, the gas safe ignition mechanism suction port that the combustion gas of flowing out from the safety ignitor air outlet of control valve is linked into dual gas supply control valve valve body, then flow out from fuel gas with low heat value safety ignitor air outlet, then flow into the fuel gas with low heat value safety ignitor, when the pipe coupling of fuel gas with low heat value is taken off, elastic force due to the first spring and the second spring, controlling rod drives fuel gas with low heat value suction port Sealing the fuel gas with low heat value suction port is sealed, simultaneously lower calorific value safety ignitor air outlet and gas safe ignition mechanism suction port are disconnected, higher calorific value safety ignitor air outlet is communicated with gas safe ignition mechanism suction port simultaneously, control valve drives nozzle seal by the fuel gas with low heat value channel seal simultaneously, the combustion gas of flowing out from the jet expansion of control valve flow into the 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 from the higher calorific value gas outlet, flow out to higher calorific value gas safe ignition mechanism, igniting safety cut-off valve of the present utility model is to have utilized the characteristic of the pressure of higher calorific value combustion gas gas greater than the fuel gas with low heat value gas pressure, when accessing correct low gas, because the fuel gas with low heat value gas pressure is less, can't overcome the pressure of spring, so the time be on state, when misconnection entered higher calorific value combustion gas gas, because higher calorific value combustion gas gas pressure is larger, during greater than the spring force of spring, this moment, epithelium drove controlling rod toward spring one lateral movement, and controlling rod is the entrance choke-out, and combustion gas can't conducting, and machine can't be lighted a fire afterwards, protected user's use safety.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a gas valve, comprise 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 a fuel gas with low heat value safety ignitor air outlet that is 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 that one can be by described fuel gas with low heat value passageway shuts off after the combustion gas of described fuel gas with low heat value passage access higher calorific value, and after described fuel gas with low heat value passage access fuel gas with low heat value by the safety ignitor cut-off valve of described fuel gas with low heat value passage conducting.
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 the conducting of described fuel gas with low heat value passage.
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 respectively in described fuel gas with low heat value passage, and described epithelium left side connects one can be by described fuel gas with low heat value passageway shuts off after the combustion gas of described fuel gas with low heat value passage access higher calorific value, and after described fuel gas with low heat value passage access fuel gas with low heat value by the seal bar of described fuel gas with low heat value passage conducting.
4. gas valve according to claim 3, is characterized in that, also comprises a spring, and described spring housing is located at the outside of described seal bar, and the two ends of described spring connect 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 the described seal bar outside described fuel gas with low heat value passage is disconnected, and an end of described spring is sheathed on the outside of described seal ring.
6. the described gas valve of any one according to claim 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 a combustion gas master air outlet, described fuel gas with low heat value suction port is communicated with described combustion gas master air outlet by the fuel gas with low heat value passage of being located at described valve inner, and described higher calorific value gas inlet is communicated with described combustion gas master air outlet by a higher calorific value blast tube of being located at described valve inner, on described valve body, also be provided with a gas safe ignition mechanism suction port, and the higher calorific value gas safe ignition mechanism air outlet, the fuel gas with low heat value safety ignitor air outlet that are communicated with described gas safe ignition mechanism suction port of the fuel gas with low heat value passage by being located at valve inner and a higher calorific value blast tube respectively, on described valve body, also be 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 also is 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 control gear can disconnect described higher calorific value gas safe ignition mechanism air outlet and described gas safe ignition mechanism suction port, 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 gas conversion valve 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 gas valve as claimed in any of claims 1 to 7 in one of claims.
9. gas system with double gas sources according to claim 8, 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 described combustion gas master air outlet, described control valve nozzle air outlet is communicated with 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, on described burner, be 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 also is provided with a higher calorific value gas air mixer, described low heat value gas combustion burner inside also is 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 respectively 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 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.
10. gas system with double gas sources according to claim 8, 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 is communicated with 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, on described burner, be 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 inside also is provided with air mixer, on described air mixer, connect 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202031823U CN203297705U (en) | 2013-04-19 | 2013-04-19 | Fuel gas valve and double-gas-source fuel gas system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202031823U CN203297705U (en) | 2013-04-19 | 2013-04-19 | Fuel gas valve and double-gas-source fuel gas system |
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| CN203297705U true CN203297705U (en) | 2013-11-20 |
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| CN2013202031823U Withdrawn - After Issue CN203297705U (en) | 2013-04-19 | 2013-04-19 | Fuel gas valve and double-gas-source fuel gas system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244728A (en) * | 2013-04-19 | 2013-08-14 | 普鲁卡姆电器（上海）有限公司 | Gas valve and double-gas-source gas system |
| CN103644347A (en) * | 2013-12-03 | 2014-03-19 | 普鲁卡姆电器（上海）有限公司 | Fuel gas valve |
| US9752779B2 (en) | 2013-03-02 | 2017-09-05 | David Deng | Heating assembly |
-
2013
- 2013-04-19 CN CN2013202031823U patent/CN203297705U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9752779B2 (en) | 2013-03-02 | 2017-09-05 | David Deng | Heating assembly |
| CN103244728A (en) * | 2013-04-19 | 2013-08-14 | 普鲁卡姆电器（上海）有限公司 | Gas valve and double-gas-source gas system |
| CN103244728B (en) * | 2013-04-19 | 2015-07-08 | 普鲁卡姆电器（上海）有限公司 | Gas valve and double-gas-source gas system |
| CN103644347A (en) * | 2013-12-03 | 2014-03-19 | 普鲁卡姆电器（上海）有限公司 | Fuel gas valve |
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