CN202955780U - Self-adaptation type multiple gas source gas control system and heating device - Google Patents
Self-adaptation type multiple gas source gas control system and heating device Download PDFInfo
- Publication number
- CN202955780U CN202955780U CN 201220465982 CN201220465982U CN202955780U CN 202955780 U CN202955780 U CN 202955780U CN 201220465982 CN201220465982 CN 201220465982 CN 201220465982 U CN201220465982 U CN 201220465982U CN 202955780 U CN202955780 U CN 202955780U
- Authority
- CN
- China
- Prior art keywords
- gas
- pressure
- valve
- safety ignitor
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Feeding And Controlling Fuel (AREA)
Abstract
A self-adaptation type multiple gas source gas control system comprises an igniter, a control valve, a self-adaptation type multiple gas source gas pressure-reducing valve, a pressure self-adaptation type multiple gas source nozzle, a combustor, a safe ignition device component, a thermocouple, a wire, an gas inlet pipe, a main gas inlet pipe, an ignition device main gas inlet pipe and a main gas outlet pipe. The igniter is connected with the safe ignition device component through the wire. The safe igniter device component is connected with the self-adaptation type multiple gas source gas pressure-reducing valve through the gas inlet pipe. The safe igniter device component is connected with the control valve through the thermocouple. The self-adaptation type multiple gas source pressure nozzle is installed on the combustor. The self-adaptation type multiple gas source gas pressure-reducing valve is connected with the control valve respectively through the main gas inlet pipe and the ignition device gas inlet pipe. The control valve is connected with the self-adaptation type multiple gas source pressure nozzle through the main gas outlet pipe. The device is suitable for gas in various types and is convenient to use.
Description
Technical field
The utility model relates to a kind of many sources of the gas gas control system, more precisely a kind of many sources of the gas gas control system of pressure adaptive formula.
Background technology
Because the calorific value of natural gas and liquefied gas is different, pressure is also different; So under the same power, the nozzle bore of natural gas and liquefied gas is different, so during traditional warmer exchange gas source, must manually remove to change nozzle.
Different these characteristics of the natural gas that this patent is utilized just and the pressure of liquefied gas, the many gas source nozzles of pressure adaptive formula, by the different path of the different choice of pressure, different passage nozzle sizes are different, thereby have solved liquefied gas and the different problem of natural gas nozzle; And need not manually remove to change nozzle.
The utility model content
Because the above-mentioned shortcoming of prior art the utility model proposes a kind of many sources of the gas of self-adapting type gas control system and heating installation, it can effectively solve the above-mentioned shortcoming of prior art.
The utility model is by the following technical solutions:
A kind of many sources of the gas of self-adapting type gas control system, it comprises that it comprises igniter, control valve, many sources of the gas of self-adapting type gas pressure-reducing valve, the many gas source nozzles of pressure adaptive formula, burner and safety ignitor assembly, thermocouple, wire, air inlet pipe, main air inlet pipe, igniter master's air inlet pipe and main escape pipe; Described igniter links to each other with described safety ignitor assembly by wire, described safety ignitor assembly links to each other with described many sources of the gas of self-adapting type gas pressure-reducing valve by described air inlet pipe, described safety ignitor assembly links to each other with described control valve by described thermocouple, described many bleed pressures of self-adapting type nozzle is loaded on the described burner, described many sources of the gas of self-adapting type gas pressure-reducing valve respectively by described main air inlet pipe be connected igniter master air inlet pipe and be connected with control valve, described control valve is connected with described many bleed pressures of self-adapting type nozzle by described main escape pipe.
As optimal technical scheme:
Many sources of the gas of self-adapting type gas pressure-reducing valve, it comprises valve body, described valve body is provided with gas outlet joint, gas inlet joint, described valve inner is provided with blast tube, described blast tube comprises inlet chamber, epithelium chamber and regulates the chamber that described gas outlet joint and described gas inlet joint are located at respectively the two ends of described blast tube; Air intake assembly, it comprises jacking block, the first elastic component, the first seal of being located in the inlet chamber, described jacking block one end and described inlet chamber offset by the first elastic component, and the described jacking block other end and described gas inlet joint offset, and whether contact the disconnection of controlling described inlet chamber and described gas inlet joint by described jacking block with described gas inlet joint and are communicated with;
The gas pressure-reducing valve module, it comprises the second elastic component, the pressure regulation bolt, sealing ring, the epithelium chamber, epithelium, sealing ring, valve gap, described the second elastic component is placed in the described valve gap, and described the second elastic component one end and described epithelium are hinged, described epithelium periphery is fixed on the described valve gap, and an end of described epithelium and described pressure regulation bolt is hinged, the other end of described pressure regulation bolt is placed in the described adjusting chamber, be provided with described sealing ring with described pressure regulation bolt coupling place in the described adjusting chamber, the disconnection of controlling described epithelium chamber and described adjusting chamber by described pressure regulation bolt and whether contacting of described sealing ring be communicated with;
The safety ignitor assembly, it comprises: safety ignitor gas inlet joint, safety ignitor gas outlet joint, safety ignitor blast tube, described safety ignitor gas inlet joint and described safety ignitor gas outlet joint are located on the described valve body, and described safety ignitor gas inlet joint and described safety ignitor gas outlet joint are located at respectively the two ends of described safety ignitor blast tube; The first push rod, described the first push rod one end offsets by one the 3rd elastic component and described jacking block, and the other end of described the first push rod is in the described safety ignitor blast tube; The second push rod, described the second push rod is in the described safety ignitor blast tube, and described the second push rod and described the first push rod offset; The second sealing ring, described the second sealing ring is fixed in an end of described the second push rod, and the disconnection of controlling described safety ignitor blast tube by described the second sealing ring and whether contacting of described safety ignitor blast tube be communicated with;
Described gas pressure-reducing valve module and described safety ignitor assembly are equipped with two groups, and two groups of gas pressure-reducing valve module shared gas air outlet adapters, and two groups of described safety ignitor assemblies share safety ignitor gas inlet joint.
The many gas source nozzles of described pressure adaptive formula comprise loam cake, nozzle body, pressure spring, epithelium, the pressure regulation bolt, sealing ring, the first nozzle and second nozzle, described nozzle body is provided with air inlet, the first nozzle, second nozzle, inlet channel, the epithelium chamber, pressure regulating cavity, described the first nozzle is communicated with air inlet, described pressure regulating cavity is communicated with described inlet channel, described inlet channel communicates with described second nozzle, described second nozzle is sheathed on the outside of described the first nozzle, described loam cake is fixed on the described nozzle body, be fixed with described pressure spring in the described loam cake, one end and the described loam cake of described pressure spring connect, the hinged described epithelium of the other end, described epithelium is located in the described epithelium chamber, described epithelium chamber communicates with air inlet on being located at described nozzle body, one end of described pressure regulation bolt passes described epithelium and described pressure spring is hinged, and the other end of described pressure regulation bolt is in the described pressure regulating cavity, is provided with the described sealing ring with described pressure regulation bolt in described pressure regulating cavity.
A kind of many sources of the gas of self-adapting type gas control system, it comprises burner, safety ignitor assembly, nozzle assembly, control panel, Receiver, dual gas supply pile-up valve and remote controller; Described control panel links to each other with described safety ignitor assembly, described safety ignitor assembly links to each other with described dual gas supply pile-up valve by air inlet pipe, described safety ignitor assembly links to each other with described control panel by described thermocouple, described nozzle assembly is located on the dual gas supply pile-up valve and is placed the place ahead of an end of described burner, and described control panel links to each other with described Receiver.
As optimal technical scheme:
It comprises valve body described dual gas supply pile-up valve, main pressure maintaining valve, high-voltage regulator and low-pressure adjusting depressor, main pressure maintaining valve, high-voltage regulator and low-pressure adjusting depressor are installed on the valve body, valve body is provided with the high-pressure air source access port, the low-pressure gas source access port, solenoid electric valve, high-pressure air source ODS interface and low-pressure gas source ODS interface, described high-pressure air source access port is connected with inlet end and the high-pressure air source ODS interface of main pressure maintaining valve by gas circuit one tunnel, another road is connected with the inlet end of high-voltage regulator, thereby the output of high-voltage regulator is connected with the pressure regulating cavity of main pressure maintaining valve by gas circuit and act in the lump the pressure regulation epithelium and make main pressure maintaining valve work in high pressure pressure regulation state with pressure spring in the pressure regulating cavity, described low-pressure gas source access port is connected with inlet end and the low-pressure gas source ODS interface of main pressure maintaining valve by gas circuit one tunnel, another road is connected with the inlet end of low-pressure adjusting depressor, thereby the output of low-pressure adjusting depressor is connected with the pressure regulating cavity of main pressure maintaining valve by gas circuit and act in the lump the pressure regulation epithelium and make main pressure maintaining valve work in the low-pressure adjusting pressure condition with pressure spring in the pressure regulating cavity; The output of main pressure maintaining valve is connected with the inlet end of double-air-supply nozzle by gas circuit and solenoid electric valve.
Also comprise regulating device of air door, described regulating device of air door places between the many gas source nozzles of described pressure adaptive formula and the described gas apparatus and is set on the induction tunnel of described burner end welding and can rotates freely.
A kind of many sources of the gas of self-adapting type gas control system, it comprises that it comprises igniter, control valve, dual gas supply pile-up valve, burner and safety ignitor assembly, ignition lead, thermocouple, main air inlet pipe, main escape pipe and igniter master air inlet pipe; Described igniter links to each other with described safety ignitor assembly by wire, described safety ignitor assembly links to each other with described dual gas supply pile-up valve by air inlet pipe, described safety ignitor assembly links to each other with described control valve by thermocouple, described nozzle assembly is located on the described dual gas supply pile-up valve and is placed the place ahead of an end of described burner, and described dual gas supply pile-up valve is connected with described control valve by described main air inlet pipe, described main escape pipe and the igniter master air inlet pipe of being connected respectively.
As optimal technical scheme:
Described dual gas supply pile-up valve comprises valve body, main pressure maintaining valve, high-voltage regulator, the low-pressure adjusting depressor, described main pressure maintaining valve, high-voltage regulator and described low-pressure adjusting depressor are installed on the valve body, described valve body is provided with the high-pressure air source access port, the low-pressure gas source access port, high-pressure air source safety ignitor interface, low-pressure gas source safety ignitor interface, dual gas supply pile-up valve primary air inlet, dual gas supply pile-up valve master gas outlet, dual gas supply pile-up valve safety ignitor air inlet, described high-pressure air source access port is connected with inlet end and the high-pressure air source safety ignitor interface of described main pressure maintaining valve by gas circuit one tunnel, another road is connected with described high-voltage regulator, the output of described high-voltage regulator is connected with described main pressure maintaining valve by gas circuit, described low-pressure gas source access port is connected with inlet end and the low-pressure gas source safety ignitor interface of main pressure maintaining valve by gas circuit one tunnel, another road is connected with described low-pressure adjusting depressor, the output of described low-pressure adjusting depressor is connected with described main pressure maintaining valve by gas circuit, described dual gas supply pile-up valve primary air inlet and described dual gas supply pile-up valve master gas outlet are communicated with described control valve, and the described safety ignitor assembly of described dual gas supply pile-up valve safety ignitor air inlet is communicated with.
Also comprise regulating device of air door, described regulating device of air door places between the many gas source nozzles of described pressure adaptive formula and the described gas apparatus and is set on the induction tunnel of described burner end welding and can rotates freely.
The utlity model has following advantage: by selecting the many gas source nozzles of pressure adaptive formula and pressure adaptive formula safety ignitor assembly, by the different path of the different choice of pressure, different passage nozzle sizes are different, thereby can adapt to the source of the gas of different pressures.
The utility model content
Fig. 1 is the of the present utility model first structural representation of implementing.
Fig. 2 is the structural representation of many sources of the gas of the self adaptation gas pressure-reducing valve among Fig. 1.
Fig. 3 is the generalized section of Fig. 2.
Fig. 4 is another generalized section of Fig. 2.
Fig. 5 is the structural representation of the pressure adaptive formula nozzle among Fig. 1.
Fig. 6 is the structural representation of the second embodiment of the present utility model.
Fig. 7 is perspective view of the present utility model.
Fig. 8 is the internal structure cross-sectional schematic of Fig. 7.
Fig. 9 is the A-A cutaway view of Fig. 7.
Figure 10 is the structural representation of of the present utility model second many sources of the gas of self-adapting type gas control system heating installation of implementing.
Figure 11 is the structural representation of the 3rd embodiment of the present utility model.
Figure 12 is the structural representation of the of the present utility model the 3rd many sources of the gas of self-adapting type gas control system heating installation of implementing.
Figure 13 is structure first schematic diagram of the dual gas supply pile-up valve among Figure 11.
Figure 14 is structure second schematic diagram of the dual gas supply pile-up valve among Figure 11.
Figure 15 is structure the 3rd schematic diagram of the dual gas supply pile-up valve among Figure 11.
Figure 16 is structure the 4th schematic diagram of the dual gas supply pile-up valve among Figure 11.
Figure 17 is the cut-away view of Figure 13.
Figure 18 be Figure 16 pass into high-pressure air source the time source of the gas flow to schematic diagram.
Figure 19 be Figure 17 pass into low-pressure gas source the time source of the gas flow to schematic diagram.
The specific embodiment:
Below in conjunction with the specific embodiment, describe the utility model in detail.Should be understood that these embodiments only are used for explanation the utility model and are not used in the scope of the present utility model that limits.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1:
As shown in Figure 1, a kind of many sources of the gas of self-adapting type gas control system, it comprises that it comprises igniter 1, control valve 2, many sources of the gas of self-adapting type gas pressure-reducing valve 11, the many gas source nozzles 12 of pressure adaptive formula, burner 5 and safety ignitor assembly 6; Igniter 1 links to each other with safety ignitor assembly 6 by some wires 3; Safety ignitor assembly 6 links to each other with many sources of the gas of self-adapting type gas pressure-reducing valve 11 with air inlet pipe (NG) 14 by air inlet pipe (LP) 13; Safety ignitor assembly 6 links to each other with control valve 2 by thermocouple 9; Many bleed pressures of self-adapting type nozzle 12 is loaded on support set on the burner 5; Many sources of the gas of self-adapting type gas pressure-reducing valve 11 is connected with igniter master air inlet pipe by main air inlet pipe 7 respectively and is connected with control valve 2; Control valve 2 is connected with many bleed pressures of self-adapting type nozzle 12 by main escape pipe 8.
Extremely shown in Figure 4 such as Fig. 2, it is the structural representation of pressure adaptive formula nozzle in the utility model, it comprises loam cake 2120 and nozzle body, loam cake 2120 is fixed on the nozzle body, be fixed with pressure spring 2124 in the loam cake 2120, one end and the loam cake 2120 of pressure spring 2124 connect, the hinged epithelium 2130 of the other end, epithelium 2130 is located in the epithelium chamber 2126, this epithelium chamber 2126 communicates with the air inlet 2121 that advances to be located on the nozzle body, one end of seal bar 2125 passes epithelium 2130 and is hinged with pressure spring 2124, and the other end of seal bar 2125 is in to be regulated in the chamber 2127, thereby is provided with the sealing ring 2127 that is complementary and can realizes the annular seal space on-off with seal bar 2125 in regulating chamber 2128.
Nozzle body is provided with air admission hole 2121, the first nozzle 2122, second nozzle 2123 and inlet channel 2129, the first nozzle 2122 is communicated with air admission hole 2121, regulating chamber 2128 is communicated with inlet channel 2129, inlet channel 2129 communicates with second nozzle 2123, and second nozzle 2123 is sheathed on the outside of the first nozzle 2122.
As shown in Figure 5, it is the structural representation of many sources of the gas of self adaptation gas pressure-reducing valve of the present utility model, and it comprises that valve body 2111 is provided with gas outlet joint 2114, safety ignitor gas inlet joint 2117, high heating value gas safe igniter assembly gas outlet joint 2118 and fuel gas with low heat value safety ignitor assembly gas outlet joint 2119; Described valve body 2111 is provided with fuel gas with low heat value inlet suction port 2116 and high heating value gas inlet joint 2115; Valve body 2111 is equipped with many sources of the gas of fuel gas with low heat value self adaptation gas pressure-reducing valve module 2112 and many sources of the gas of high heating value combustion gas self adaptation gas pressure-reducing valve module 2113; Many sources of the gas of fuel gas with low heat value self adaptation gas pressure-reducing valve module 2112 and many sources of the gas of high heating value combustion gas self adaptation gas pressure-reducing valve module 2113 share a gas outlet joint 2114, valve inner is provided with high heating value blast tube and fuel gas with low heat value passage, high heating value blast tube two ends are communicated with gas outlet joint 114 and high heating value gas inlet joint, and fuel gas with low heat value passage two ends are communicated with gas outlet joint 114 and fuel gas with low heat value inlet suction port.Valve inner also is provided with high heating value gas safe ignition channel and fuel gas with low heat value safety ignition passage, and high heating value gas safe ignition channel two ends are communicated with respectively high heating value gas safe igniter assembly inlet suction port 119 and safety ignitor assembly gas outlet joint 117; Fuel gas with low heat value safety ignition passage two ends are communicated with respectively fuel gas with low heat value safety ignitor assembly inlet suction port 119 and safety ignitor assembly gas outlet joint 117.High heating value blast tube and fuel gas with low heat value passage are divided into three sections: inlet chamber, pressure regulating cavity, epithelium chamber.
High heating value gas inlet assembly comprises that jacking block 308, sealing ring 307 and the first spring 306, the first springs, 306 1 ends and the jacking block 308 be located in the inlet chamber offset, and the other end is placed in the boss on the valve body and offsets with valve body; Be provided with the first sealing ring 307 between jacking block 308 and the valve body, can will seal between jacking block and the valve body by this first sealing ring, inlet chamber is communicated with high heating value gas inlet joint 2115.Many sources of the gas of high heating value combustion gas self adaptation gas pressure-reducing valve module 2113 is comprised of epithelium 301, pressure spring 302, valve gap 303 and regulator bolts 304 with the pressure regulation bolt, pressure regulation epithelium 301 is fitted between valve body 2111 and the valve gap 303, pressure spring 302 is sleeved in the mount pad 305 on the valve gap 303, one end of pressure spring 302 offsets with pressure regulation epithelium 301, the other end and the spinning regulator bolts 304 in mount pad 305 offsets, pressure regulation epithelium 301 is located in the epithelium chamber, the pressure regulation bolt is located in the pressure regulating cavity, and the coupling place with the pressure regulation bolt in the adjusting chamber is provided with sealing block.
The low heat value air intake assembly comprises that jacking block 208, sealing ring 207 and the first spring 206, the first springs, 206 1 ends and jacking block 208 offset, and the other end is placed in the boss on the valve body and offsets with valve body; Be provided with sealing ring 207 between jacking block 208 and the valve body, can will seal between jacking block and the valve body by the sealing circle.Many sources of the gas of fuel gas with low heat value self adaptation gas pressure-reducing valve module 2 is by the pressure regulation epithelium 201 with the pressure regulation bolt, pressure spring 202, valve gap 203 and regulator bolts 204 form, pressure regulation epithelium 201 is fitted between valve body 2111 and the valve gap 203, pressure spring 202 is sleeved in the mount pad 205 on the valve gap 203, one end and the pressure regulation epithelium 201 of pressure spring 202 offset, the other end and the spinning regulator bolts 204 in mount pad 205 offsets, pressure regulation epithelium 201 is located in the epithelium chamber, the pressure regulation bolt is located in the pressure regulating cavity, regulates in the chamber coupling place that coupling place with the pressure regulation bolt is provided with in the described adjusting of the sealing block chamber with the pressure regulation bolt and is provided with sealing block.
Described valve body 2111 is provided with the low heat value safety ignitor assembly blast tube that safety ignitor gas inlet joint 2117 and fuel gas with low heat value safety ignitor assembly gas outlet joint 2119 communicate, and has the second push rod 212 of upper the second spring 213 and the second sealing ring 209 to be installed in this passage with sealing block 210 and the cover of sealing ring 211; The second push rod 212 1 ends are equipped with the second sealing ring 209, and the other end and the first push rod 214 offset; Upper spring 213 is set on the second push rod 212, and an end and sealing block 210 offset, and the other end and the second push rod 212 offset; The first push rod 214 1 ends place low heat value safety ignitor assembly blast tube, and the other end places the fuel gas with low heat value passage; Be set with the second spring 217 and the 3rd spring 218 on the first push rod 214; Be provided with pad 216 and the second sealing ring 215 between the second spring 217 1 ends and the valve body 2111 and offset with pad 216, the other end and the first push rod 214 offset; Offset on the 3rd spring 218 1 ends suit and the first push rod 214 and with the first push rod, the other end and jacking block 208 offset.
Valve body 2111 is provided with the high heating value safety ignitor assembly blast tube that safety ignitor gas inlet joint 2117 and high heating value gas safe igniter assembly divide air inlet joint 2118 to communicate, and has the second push rod 312 of upper spring 313 and the second sealing ring 309 to be installed in this passage with sealing block 310 and the cover of the second sealing ring 311; The second sealing ring 309 other ends are housed the second push rod 312 1 ends and the first push rod 314 offsets; Upper spring 313 is set on the second push rod 312, and an end and sealing block 310 offset, and the other end and the second push rod 312 offset; The first push rod 314 1 ends place high heating value safety ignitor assembly blast tube, and the other end places the high heating value blast tube; Be set with the second spring 317 and the 3rd spring 318 on the first push rod 314; Be provided with pad 316 and the second sealing ring 315 between the second spring 317 1 ends and the valve body 1 and offset with pad 316, the other end and the first push rod 314 offset; Offset on the 3rd spring 318 1 ends suit and the first push rod 314 and with the first push rod, the other end and jacking block 308 offset.
Embodiment 2:
A kind of many sources of the gas of self-adapting type gas control system, it comprises that it comprises burner 5, safety ignitor assembly 6, nozzle assembly 19, control panel 20, Receiver 21, dual gas supply pile-up valve 22 and remote controller 23; Control panel 20 links to each other with safety ignitor assembly 6 by some wires; Safety ignitor assembly 6 links to each other with dual gas supply pile-up valve 22 with air inlet pipe (NG) 14 by air inlet pipe (LP) 13; Safety ignitor assembly 6 links to each other with control panel 20 by thermocouple 9; Nozzle assembly 19 spinnings are on dual gas supply pile-up valve 22 and place the place ahead of an end of burner 5; Control panel 20 links to each other with Receiver 21 by some wires.Dual gas supply pile-up valve 22, comprise valve body 2201, main pressure maintaining valve 2202, high-voltage regulator 2203 and low-pressure adjusting depressor 2204, main pressure maintaining valve 2202, high-voltage regulator 2203 and low-pressure adjusting depressor 2204 are installed on the valve body 2201, valve body 2201 is provided with high-pressure air source access port 2205, low-pressure gas source access port 2206, solenoid electric valve 2207, high-pressure air source ODS interface 2208 and low-pressure gas source ODS interface 2209, described high-pressure air source access port 2205 is connected with inlet end and the high-pressure air source ODS interface 2208 of main pressure maintaining valve 2202 by gas circuit one tunnel, another road is connected with the inlet end of high-voltage regulator 2203, thereby the output of high-voltage regulator 3 is connected with the pressure regulating cavity of main pressure maintaining valve 2202 by gas circuit and act in the lump the pressure regulation epithelium and make main pressure maintaining valve 2202 work in high pressure pressure regulation state with pressure spring in the pressure regulating cavity, described low-pressure gas source access port 2206 is connected with inlet end and the low-pressure gas source ODS interface 2209 of main pressure maintaining valve 2202 by gas circuit one tunnel, another road is connected with the inlet end of low-pressure adjusting depressor 2204, thereby the output of low-pressure adjusting depressor 2204 is connected with the pressure regulating cavity of main pressure maintaining valve 2202 by gas circuit and act in the lump the pressure regulation epithelium and make main pressure maintaining valve 2202 work in the low-pressure adjusting pressure condition with pressure spring in the pressure regulating cavity; The output of main pressure maintaining valve 2202 is connected with the inlet end of double-air-supply nozzle 2210 by gas circuit and solenoid electric valve 2207.
In the described high-pressure air source access port 2205 gases at high pressure adjusting rod 2211 is installed, described low-pressure gas source access port 2206 is equipped with low-pressure gas adjusting rod 2212, gases at high pressure adjusting rod 2211 is provided with two annular adjusting grooves 2219, with described annular adjusting grooves 2219 relative position places be equipped with three respectively control enter the gauge tap of corresponding ODS gas circuit and pressure regulator, wherein controlling the switch A that low-pressure gas enters low-pressure gas source ODS interface 2209 is normally open, the switch C that the control gases at high pressure enter the switch B of high-pressure air source ODS interface 2208 and enter high-voltage regulator 2203 is normally off, gases at high pressure adjusting rod 2211 is pushed into during the access high-pressure air source, at this moment, switch A is in closed condition, and switch B and switch C are normally open; Gases at high pressure enter high-pressure air source ODS interface 2208 by switch B on the one hand, enter high-voltage regulator 2203 by switch C on the other hand, thereby the pressure regulation gas of high-voltage regulator 2203 output enters on the epithelium that the elastic force of the pressure that produces behind the pressure regulating cavity of main pressure maintaining valve 2202 and pressure spring acts on main pressure maintaining valve in the lump the output pressure of main pressure maintaining valve and the pressure of high-pressure air source is adapted, the gas of main pressure maintaining valve 2202 outputs enters the second air chamber 2214 that is communicated with it after entering the first air chamber 2213 on the valve body 2201, enters the double-air-supply nozzle 2210 from the second air chamber again; Annular reed slot 2217 on the described low-pressure gas adjusting rod 2212, one end of reed 2218 inserts in the described reed slot 2217, another and switch D offset, switch D is installed between the first air chamber and the 3rd air chamber 15, when the access low-pressure gas source, low-pressure gas adjusting rod 2212 is pressed into, reed 2218 enters in the reed slot 2217, switch D is communicated with the first air chamber 13 and the 3rd air chamber 15 under the effect of reed 2218 and the back-moving spring of itself, low-pressure gas was leaded up to normal open switch A and was entered low-pressure gas source ODS interface 2209 this moment, another road enters low-pressure adjusting depressor 2204 by the inner passage, thereby the pressure regulation gas of low-pressure regulator 2204 output enters on the epithelium that the elastic force of the pressure that produces behind the pressure regulating cavity of main pressure maintaining valve 2202 and pressure spring acts on main pressure maintaining valve in the lump the output pressure of main pressure maintaining valve and the pressure of low-pressure gas source is adapted, the first air chamber 2213 rear portions that the gas of main pressure maintaining valve 2202 outputs enters on the valve body 2201 enter the second air chamber 2214 that is communicated with it, enter one road inlet channel of double-air-supply nozzle 10 from the second air chamber again, another part gas enters the 3rd air chamber 2215 after by the switch D that is communicated with the first air chamber 2213 and the 3rd air chamber 2215, from entering another road inlet channel of double-air-supply nozzle 2210, exports the 4th air chamber 2216 that is connected with the 3rd air chamber 2215 again, described nozzle assembly 19 is comprised of inner nozzle 19-1 and outer nozzle 19-2, and inner nozzle places the inside of outer nozzle.
It also can be equipped with regulating device of air door 15; Regulating device of air door 15 places between the many gas source nozzles 12 of pressure adaptive formula and the gas apparatus 5 and is set on the induction tunnel 16 of burner 5 ends welding and can rotates freely; The effect of regulating device of air door is, adjusting air inlet amount reaches the effect of yellow flame, because the calorific value of natural gas and liquefied gas is different, so the air capacity that needs is also different, thereby just having played the combustion gas of different calorific values, regulating device of air door need different air inlet amounts to regulate.
As shown in figure 10, it is the structural representation of a kind of heating installation of the present utility model, and it contains just like Fig. 6 to many sources of the gas of self-adapting type gas control system shown in Figure 9, and also contains an electric heater unit 17, and fan 18, can allow the air of heating installation inside form circulation by fan 18.
Embodiment 3
Such as Figure 10 and shown in Figure 12, a kind of many sources of the gas of self-adapting type gas control system, it comprises that it comprises igniter 1, control valve 2, dual gas supply pile-up valve 22, burner 5 and safety ignitor assembly 6; Igniter 1 links to each other with safety ignitor assembly 6 by some wires 3; Safety ignitor assembly 6 links to each other with dual gas supply pile-up valve 22 with air inlet pipe (NG) 14 by air inlet pipe (LP) 13; Safety ignitor assembly 6 links to each other with control valve 2 by thermocouple 9; Nozzle assembly 19 spinnings are on dual gas supply pile-up valve 22 and place the place ahead of an end of burner 5; Dual gas supply pile-up valve 22 is connected with igniter master air inlet pipe by main air inlet pipe 7, main escape pipe 8 respectively and is connected with control valve 2, and described nozzle assembly 19 is comprised of inner nozzle 19-1 and outer nozzle 19-2, and inner nozzle places the inside of outer nozzle.
Also regulating device of air door 15 can be housed; Regulating device of air door 15 places between the many gas source nozzles 12 of pressure adaptive formula and the gas apparatus 5 and is set on the induction tunnel 16 of burner 5 ends welding and can rotates freely; The effect of regulating device of air door is, adjusting air inlet amount reaches the effect of yellow flame, because the calorific value of natural gas and liquefied gas is different, so the air capacity that needs is also different, thereby just having played the combustion gas of different calorific values, regulating device of air door need different air inlet amounts to regulate.
Shown in Figure 13 to 17, it is dual gas supply pile-up valve of the present utility model, it comprises valve body 2201, main pressure maintaining valve 2202, high-voltage regulator 2203 and low-pressure adjusting depressor 2204, main pressure maintaining valve 2202, high-voltage regulator 2203 and low-pressure adjusting depressor 2204 are installed on the valve body 1, valve body 2201 is provided with high-pressure air source access port 2205, low-pressure gas source access port 2206, high-pressure air source safety ignitor interface 2209 and the low-pressure gas source safety ignitor interface 2208 of giving vent to anger of giving vent to anger, inlet end and high-pressure air source safety ignitor the give vent to anger interface 2209 of high-pressure air source access port 2205 by gas circuit one tunnel and main pressure maintaining valve 2202 is connected, another road is connected with the inlet end of high-voltage regulator 2203, thereby the output of high-voltage regulator 2203 is connected with the pressure regulating cavity of main pressure maintaining valve 2202 by gas circuit and act in the lump the pressure regulation epithelium and make main pressure maintaining valve 2202 work in high pressure pressure regulation state with pressure spring in the pressure regulating cavity, as shown in figure 18.Inlet end and low-pressure gas source safety ignitor the give vent to anger interface 2208 of described low-pressure gas source access port 2206 by gas circuit one tunnel and main pressure maintaining valve 2202 is connected, another road is connected with the inlet end of low-pressure adjusting depressor 2204, thereby the output of low-pressure adjusting depressor 2204 is connected with the pressure regulating cavity of main pressure maintaining valve 2202 by gas circuit and act in the lump the pressure regulation epithelium and make main pressure maintaining valve 2202 work in the low-pressure adjusting pressure condition with pressure spring in the pressure regulating cavity, and is not shown; The output of main pressure maintaining valve 2 by gas circuit and control under be connected with the inlet end of double-air-supply nozzle 2210, and same as the prior art to control mode and the principle of gas circuit, the trend of gas circuit and principle are as shown in figure 19.Also be provided with dual gas supply pile-up valve primary air inlet 2210 on the valve body 2201 and described dual gas supply pile-up valve master gas outlet 2218 is communicated with described control valve 2, and described dual gas supply pile-up valve safety ignitor air inlet 2219 described safety ignitor assemblies 6 are communicated with, dual gas supply pile-up valve primary air inlet 2210 is communicated with the gas outlet of control valve 2, and described dual gas supply pile-up valve master gas outlet 2218 is communicated with the air inlet connection with control valve 2.
Low-pressure gas source access port 2206 places are provided with a low-pressure gas source push rod 2207, high-pressure air source access port 2205 places are provided with a high-pressure air source push rod 2211, described high-voltage regulator 2203 is provided with the 3rd switch 2215, and high-pressure air source safety ignitor interface 2209 and low-pressure gas source safety ignitor interface 2208 places of giving vent to anger of giving vent to anger are provided with respectively the first switch 2213 and second switch 2214.Also be provided with dual gas supply pile-up valve nozzle 2217 on the dual gas supply pile-up valve valve body 2201, this nozzle 2217 is provided with inner nozzle and outer nozzle, and outer nozzle is sheathed on the outside of inner nozzle, and nozzle 2217 is provided with one the 4th switch 2216, by the switching of the 4th switch 2216 control inner nozzles.
When the low-pressure gas source termination enters combustion gas, low-pressure adjusting depressor 2204 is connected, and L P G pressure regulator 2203 disconnects, and like this, main pressure maintaining valve 2202 goes out atmospheric pressure acting in conjunction epithelium by what spring added low-pressure adjusting depressor 2204, and the pressure ratio of giving vent to anger is lower.When the high-pressure air source termination enters combustion gas, low-pressure adjusting depressor 2204 and high-voltage regulator 2203 equal conductings, because the pressure of high-voltage regulator 2203 is higher, then main pressure maintaining valve 2202 goes out atmospheric pressure acting in conjunction epithelium by what spring added high-voltage regulator 2203, and the pressure ratio of giving vent to anger is higher.The conversion that the double-air-supply nozzle 2217 of installing on the break-make of two pressure regulators and the valve and safety ignitor are given vent to anger is by the screw-in effect of the push rod of valve inlet.Gases at high pressure adjusting rod 2211 can not screw in simultaneously with low-pressure gas adjusting rod 2212.When gases at high pressure adjusting rod 2211 screwed in: the first switch 2213 cut out, second switch 2214 is opened, the 3rd switch 2215 is opened, the 4th switch 2216 cuts out.When low-pressure gas adjusting rod 2212 screwed in, the first switch 2213 was opened, second switch 2214 is closed, the 3rd switch 2215 cuts out, the 4th switch 2216 is opened.
As shown in figure 12, it is the structural representation of a kind of heating installation of the present utility model, and it contains just like Fig. 6 to many sources of the gas of self-adapting type gas control system shown in Figure 9, and also contains an electric heater unit 17, and fan 18, can allow the air of heating installation inside form circulation by fan 18.
Claims (11)
1. many sources of the gas of self-adapting type gas control system, it is characterized in that it comprises igniter, control valve, many sources of the gas of self-adapting type gas pressure-reducing valve, the many gas source nozzles of pressure adaptive formula, burner and safety ignitor assembly, thermocouple, wire, air inlet pipe, main air inlet pipe, igniter master's air inlet pipe and main escape pipe; Described igniter links to each other with described safety ignitor assembly by wire, described safety ignitor assembly links to each other with described many sources of the gas of self-adapting type gas pressure-reducing valve by described air inlet pipe, described safety ignitor assembly links to each other with described control valve by described thermocouple, described many bleed pressures of self-adapting type nozzle is loaded on the described burner, described many sources of the gas of self-adapting type gas pressure-reducing valve respectively by described main air inlet pipe be connected igniter master air inlet pipe and be connected with control valve, described control valve is connected with described many bleed pressures of self-adapting type nozzle by described main escape pipe.
2. many sources of the gas of self-adapting type gas control system according to claim 1, it is characterized in that, described many sources of the gas of self-adapting type gas pressure-reducing valve, it comprises valve body, described valve body is provided with gas outlet joint, gas inlet joint, described valve inner is provided with blast tube, and described blast tube comprises inlet chamber, epithelium chamber and regulate the chamber that described gas outlet joint and described gas inlet joint are located at respectively the two ends of described blast tube;
Air intake assembly, it comprises jacking block, the first elastic component, the first seal of being located in the inlet chamber, described jacking block one end and described inlet chamber offset by the first elastic component, and the described jacking block other end and described gas inlet joint offset, and whether contact the disconnection of controlling described inlet chamber and described gas inlet joint by described jacking block with described gas inlet joint and are communicated with;
The gas pressure-reducing valve module, it comprises the second elastic component, the pressure regulation bolt, sealing ring, the epithelium chamber, epithelium, sealing ring, valve gap, described the second elastic component is placed in the described valve gap, and described the second elastic component one end and described epithelium are hinged, described epithelium periphery is fixed on the described valve gap, and an end of described epithelium and described pressure regulation bolt is hinged, the other end of described pressure regulation bolt is placed in the described adjusting chamber, be provided with described sealing ring with described pressure regulation bolt coupling place in the described adjusting chamber, the disconnection of controlling described epithelium chamber and described adjusting chamber by described pressure regulation bolt and whether contacting of described sealing ring be communicated with;
The safety ignitor assembly, it comprises: safety ignitor gas inlet joint, safety ignitor gas outlet joint, safety ignitor blast tube, the first push rod, the second push rod, the second sealing ring, described safety ignitor gas inlet joint and described safety ignitor gas outlet joint are located on the described valve body, and described safety ignitor gas inlet joint and described safety ignitor gas outlet joint are located at respectively the two ends of described safety ignitor blast tube; Described the first push rod one end offsets by one the 3rd elastic component and described jacking block, and the other end of described the first push rod is in the described safety ignitor blast tube; Described the second push rod is in the described safety ignitor blast tube, and described the second push rod and described the first push rod offset; Described the second sealing ring is fixed in an end of described the second push rod, and the disconnection of controlling described safety ignitor blast tube by described the second sealing ring and whether contacting of described safety ignitor blast tube be communicated with; Described gas pressure-reducing valve module and described safety ignitor assembly are equipped with two groups, and two groups of gas pressure-reducing valve module shared gas air outlet adapters, and two groups of described safety ignitor assemblies share safety ignitor gas inlet joint.
3. many sources of the gas of self-adapting type gas control system according to claim 1, it is characterized in that, the many gas source nozzles of described pressure adaptive formula comprise loam cake, nozzle body, pressure spring, epithelium, the pressure regulation bolt, sealing ring, the first nozzle and second nozzle, described nozzle body is provided with air inlet, the first nozzle, second nozzle, inlet channel, the epithelium chamber, pressure regulating cavity, described the first nozzle is communicated with air inlet, described pressure regulating cavity is communicated with described inlet channel, described inlet channel communicates with described second nozzle, described second nozzle is sheathed on the outside of described the first nozzle, described loam cake is fixed on the described nozzle body, be fixed with described pressure spring in the described loam cake, one end and the described loam cake of described pressure spring connect, the hinged described epithelium of the other end, described epithelium is located in the described epithelium chamber, described epithelium chamber communicates with air inlet on being located at described nozzle body, one end of described pressure regulation bolt passes described epithelium and described pressure spring is hinged, and the other end of described pressure regulation bolt is in the described pressure regulating cavity, is provided with the described sealing ring with described pressure regulation bolt in described pressure regulating cavity.
4. many sources of the gas of self-adapting type gas control system is characterized in that, it comprises burner, safety ignitor assembly, nozzle assembly, control panel, Receiver, dual gas supply pile-up valve and remote controller; Described control panel links to each other with described safety ignitor assembly, described safety ignitor assembly links to each other with described dual gas supply pile-up valve by air inlet pipe, described safety ignitor assembly links to each other with described control panel by described thermocouple, described nozzle assembly is located on the dual gas supply pile-up valve and is placed the place ahead of an end of described burner, and described control panel links to each other with described Receiver.
5. many sources of the gas of self-adapting type gas control system according to claim 4, it is characterized in that, it comprises valve body described dual gas supply pile-up valve, main pressure maintaining valve, high-voltage regulator and low-pressure adjusting depressor, main pressure maintaining valve, high-voltage regulator and low-pressure adjusting depressor are installed on the valve body, valve body is provided with the high-pressure air source access port, the low-pressure gas source access port, solenoid electric valve, high-pressure air source ODS interface and low-pressure gas source ODS interface, described high-pressure air source access port is connected with inlet end and the high-pressure air source ODS interface of main pressure maintaining valve by gas circuit one tunnel, another road is connected with the inlet end of high-voltage regulator, thereby the output of high-voltage regulator is connected with the pressure regulating cavity of main pressure maintaining valve by gas circuit and act in the lump the pressure regulation epithelium and make main pressure maintaining valve work in high pressure pressure regulation state with pressure spring in the pressure regulating cavity, described low-pressure gas source access port is connected with inlet end and the low-pressure gas source ODS interface of main pressure maintaining valve by gas circuit one tunnel, another road is connected with the inlet end of low-pressure adjusting depressor, thereby the output of low-pressure adjusting depressor is connected with the pressure regulating cavity of main pressure maintaining valve by gas circuit and act in the lump the pressure regulation epithelium and make main pressure maintaining valve work in the low-pressure adjusting pressure condition with pressure spring in the pressure regulating cavity; The output of main pressure maintaining valve is connected with the inlet end of double-air-supply nozzle by gas circuit and solenoid electric valve.
6. many sources of the gas of self-adapting type gas control system according to claim 5, it is characterized in that, also comprise regulating device of air door, described regulating device of air door places between the many gas source nozzles of described pressure adaptive formula and the described gas apparatus and is set on the induction tunnel of described burner end welding and can rotates freely.
7. a heating installation that contains just like claim 4 many sources of the gas of the described self-adapting type of any one gas control system to the claim 6 is characterized in that, also comprises electric heater unit.
8. many sources of the gas of self-adapting type gas control system, it is characterized in that it comprises igniter, control valve, dual gas supply pile-up valve, burner and safety ignitor assembly, ignition lead, thermocouple, main air inlet pipe, main escape pipe and igniter master air inlet pipe; Described igniter links to each other with described safety ignitor assembly by wire, described safety ignitor assembly links to each other with described dual gas supply pile-up valve by air inlet pipe, described safety ignitor assembly links to each other with described control valve by thermocouple, described nozzle assembly is located on the described dual gas supply pile-up valve and is placed the place ahead of an end of described burner, and described dual gas supply pile-up valve is connected with described control valve by described main air inlet pipe, described main escape pipe and the igniter master air inlet pipe of being connected respectively.
9. many sources of the gas of self-adapting type gas control system according to claim 8, it is characterized in that, also comprise regulating device of air door, described regulating device of air door places between the many gas source nozzles of described pressure adaptive formula and the described gas apparatus and is set on the induction tunnel of described burner end welding and can rotates freely.
10. ask 9 described many sources of the gas of self-adapting type gas control systems according to the right strategic point, it is characterized in that, described dual gas supply pile-up valve comprises valve body, main pressure maintaining valve, high-voltage regulator, the low-pressure adjusting depressor, described main pressure maintaining valve, high-voltage regulator and described low-pressure adjusting depressor are installed on the valve body, described valve body is provided with the high-pressure air source access port, the low-pressure gas source access port, high-pressure air source safety ignitor interface, low-pressure gas source safety ignitor interface, dual gas supply pile-up valve primary air inlet, dual gas supply pile-up valve master gas outlet, dual gas supply pile-up valve safety ignitor air inlet, described high-pressure air source access port is connected with inlet end and the high-pressure air source safety ignitor interface of described main pressure maintaining valve by gas circuit one tunnel, another road is connected with described high-voltage regulator, the output of described high-voltage regulator is connected with described main pressure maintaining valve by gas circuit, described low-pressure gas source access port is connected with inlet end and the low-pressure gas source safety ignitor interface of main pressure maintaining valve by gas circuit one tunnel, another road is connected with described low-pressure adjusting depressor, the output of described low-pressure adjusting depressor is connected with described main pressure maintaining valve by gas circuit, described dual gas supply pile-up valve primary air inlet and described dual gas supply pile-up valve master gas outlet are communicated with described control valve, and the described safety ignitor assembly of described dual gas supply pile-up valve safety ignitor air inlet is communicated with.
11. a heating installation that contains just like claim 8 many sources of the gas of the described self-adapting type of any one gas control system to the claim 10 is characterized in that, also comprises electric heater unit.
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220465982 CN202955780U (en) | 2012-09-13 | 2012-09-13 | Self-adaptation type multiple gas source gas control system and heating device |
| US13/791,530 US9170016B2 (en) | 2012-08-22 | 2013-03-08 | Dual fuel heater with selector valve |
| US13/791,772 US9175848B2 (en) | 2011-12-05 | 2013-03-08 | Dual fuel heater with selector valve |
| US13/791,602 US9022064B2 (en) | 2012-05-10 | 2013-03-08 | Dual fuel control device with auxiliary backline pressure regulator |
| US13/791,230 US9091431B2 (en) | 2012-09-13 | 2013-03-08 | Dual fuel valve with air shutter adjustment |
| EP13788549.7A EP2847501A4 (en) | 2012-05-10 | 2013-05-08 | Dual fuel control device with auxiliary backline pressure regulator |
| PCT/US2013/040202 WO2013169944A1 (en) | 2012-05-10 | 2013-05-08 | Dual fuel control device with auxiliary backline pressure regulator |
| EP13831113.9A EP2888532A4 (en) | 2012-08-22 | 2013-08-21 | Dual fuel heater assembly with selector valve |
| PCT/US2013/056024 WO2014031768A1 (en) | 2012-08-22 | 2013-08-21 | Dual fuel heater assembly with selector valve |
| US14/920,822 US20160161146A1 (en) | 2011-10-20 | 2015-10-22 | Dual fuel heater with selector valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220465982 CN202955780U (en) | 2012-09-13 | 2012-09-13 | Self-adaptation type multiple gas source gas control system and heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202955780U true CN202955780U (en) | 2013-05-29 |
Family
ID=48461350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220465982 Withdrawn - After Issue CN202955780U (en) | 2011-10-20 | 2012-09-13 | Self-adaptation type multiple gas source gas control system and heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202955780U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840624A (en) * | 2012-09-13 | 2012-12-26 | 普鲁卡姆电器（上海）有限公司 | Self-adaptive type multi-gas-source gas control system |
| US9739389B2 (en) | 2011-04-08 | 2017-08-22 | David Deng | Heating system |
| US9752782B2 (en) | 2011-10-20 | 2017-09-05 | David Deng | Dual fuel heater with selector valve |
| US10073071B2 (en) | 2010-06-07 | 2018-09-11 | David Deng | Heating system |
| US10222057B2 (en) | 2011-04-08 | 2019-03-05 | David Deng | Dual fuel heater with selector valve |
| CN112555826A (en) * | 2020-11-25 | 2021-03-26 | 浙江欧意智能厨房股份有限公司 | Kitchen range capable of adapting to various gas sources |
-
2012
- 2012-09-13 CN CN 201220465982 patent/CN202955780U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10073071B2 (en) | 2010-06-07 | 2018-09-11 | David Deng | Heating system |
| US9739389B2 (en) | 2011-04-08 | 2017-08-22 | David Deng | Heating system |
| US10222057B2 (en) | 2011-04-08 | 2019-03-05 | David Deng | Dual fuel heater with selector valve |
| US9752782B2 (en) | 2011-10-20 | 2017-09-05 | David Deng | Dual fuel heater with selector valve |
| CN102840624A (en) * | 2012-09-13 | 2012-12-26 | 普鲁卡姆电器（上海）有限公司 | Self-adaptive type multi-gas-source gas control system |
| CN102840624B (en) * | 2012-09-13 | 2014-11-26 | 普鲁卡姆电器（上海）有限公司 | Self-adaptive type multi-gas-source gas control system |
| CN112555826A (en) * | 2020-11-25 | 2021-03-26 | 浙江欧意智能厨房股份有限公司 | Kitchen range capable of adapting to various gas sources |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202955780U (en) | Self-adaptation type multiple gas source gas control system and heating device | |
| CN102840624B (en) | Self-adaptive type multi-gas-source gas control system | |
| CN103244728B (en) | Gas valve and double-gas-source gas system | |
| CN208983349U (en) | A kind of spare igniter of overhead torch | |
| CN105135489B (en) | A kind of double-source gas is ignited protection device and its method of work | |
| CN203857461U (en) | Automatic fuel-and-gas co-combustion burner | |
| CN101532661B (en) | Gas combustion system with eternal flame | |
| CN202769796U (en) | Self-adaption type pneumoelectric duplex double-gas-source gas heater | |
| CN203297705U (en) | Fuel gas valve and double-gas-source fuel gas system | |
| CN202769798U (en) | Self-adaption wall-mounted type discharge double-gas-source gas heater | |
| CN110006059B (en) | Micro-gas combined pilot burner ignition system and method | |
| CN102777966B (en) | Adaptive pneumoelectric duplexing and dual-air source fuel warmer | |
| CN201126265Y (en) | Automatic control system of heating stove | |
| CN209196911U (en) | A kind of double gas kind gas control systems | |
| CN103644347A (en) | Fuel gas valve | |
| CN105066238B (en) | Safety-type double-gas-source gas control system and control method | |
| CN209636161U (en) | One drag two positive pressure furnace drying device | |
| CN203375454U (en) | Intelligent ignition integrated everlasting lamp | |
| CN200955849Y (en) | Split gas water heater | |
| CN208703964U (en) | A kind of blowout protection safety valves for gas | |
| CN201779714U (en) | Anti-backfire protection switch control device of gas furnace | |
| CN102777969B (en) | Adaptive wall-mounted external-emitting and dual-air source fuel warmer | |
| CN206386962U (en) | A kind of two sections of ignition combustion systems of small-power hot air type | |
| CN109439345A (en) | One drag two positive pressure furnace drying device | |
| CN201277619Y (en) | Double-air supply gas combination valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130529 Effective date of abandoning: 20141126 |
|
| RGAV | Abandon patent right to avoid regrant |