CN2901066Y - Double gas source gas firing heater - Google Patents
Double gas source gas firing heater Download PDFInfo
- Publication number
- CN2901066Y CN2901066Y CN 200620071453 CN200620071453U CN2901066Y CN 2901066 Y CN2901066 Y CN 2901066Y CN 200620071453 CN200620071453 CN 200620071453 CN 200620071453 U CN200620071453 U CN 200620071453U CN 2901066 Y CN2901066 Y CN 2901066Y
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- Prior art keywords
- gas
- nozzle
- low heat
- high heating
- ignition
- 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.)
- Expired - Lifetime
Links
- 238000010304 firing Methods 0.000 title 1
- 206010021143 Hypoxia Diseases 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 92
- 238000010438 heat treatment Methods 0.000 claims description 57
- 239000002737 fuel gas Substances 0.000 claims description 56
- 230000007954 hypoxia Effects 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 16
- 230000009977 dual effect Effects 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 238000009987 spinning Methods 0.000 claims description 6
- 206010002660 Anoxia Diseases 0.000 abstract 2
- 241000976983 Anoxia Species 0.000 abstract 2
- 230000007953 anoxia Effects 0.000 abstract 2
- 230000004075 alteration Effects 0.000 abstract 1
- 239000000567 combustion gas Substances 0.000 description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 208000012886 Vertigo Diseases 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 239000003034 coal gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Feeding And Controlling Fuel (AREA)
Abstract
The utility model discloses a double gas source gas fired warmer which is suitable to use high-heat fired gas and low-heat fired gas as gas source. The utility model is aimed to solve the problem that the gas sources are various and the present fired warmer can fit to only one gas source. The utility model comprises a casing (1), a main control valve (2) and a burner (3) arranged in the casing (1), wherein the input end of the main control valve (2) is connected with the air outlet hole of the double pressure stabilivolt valve (5), one air inlet hole of the double pressure stabilivolt valve (5) is connected with the gas source, the output of the main control valve (2) is divided into two ways and is input into the switch (4), the output of the alteration switch is divided into four ways, an ignition electrode (603) of an anoxia protecting ignition equipment (6) is connected with an igniter (8), a double source nozzle (7) is arranged at one side of the burner (3), the anoxia protecting ignition equipment (6) is fixedly arranged at the burner (3), the ignition nozzle (604, 605), the flame couple (602) and the ignition electrode (603) are reached into the burner (3).
Description
Technical field
The utility model relates to fuel gas heating apparatus, and especially same warmer can be connected the fuel gas heating apparatus that two kinds of combustion gas are warmed oneself, specifically a kind of gas-fired warmer with dual gas sources.
Background technology
At present, along with the continuous progress of conveying technology and the growing tension of petroleum resources, low-calorie combustion gas such as natural gas, biogas progressively enters in the daily life, the single energy in city is just progressively broken by multipotency source supply system, the steam line of connecting coal gas, natural gas, liquefied gas, biogas equal energy source in same family has simultaneously become possibility, and people can use according to the combustion gas that the market price changes and the selection of air feed situation is suitable.With the fuel gas heating apparatus is example, be the structure of single liquefied gas special use or natural gas special use in the past, because the calorific value difference of various combustion gas, the air pressure of its output, tolerance must have difference, must at first determine employed source of the gas when therefore the user buys, select suitable product according to source of the gas then, so, on the one hand when the user need change usefulness gas kind, just must buy new combustion gas tool again, or undergo technological transformation, cause the waste of customer investment increase and social resources, produced a difficult problem also on the other hand the product dealer, can't estimate the quantity of certain kind combustion gas tool, tend to occur a kind and overstock the phenomenon that another kind is out of stock.Meanwhile, concerning a kind of family, generally maximum may be to have the possibility maximum of two kinds of sources of the gas, if can design a kind of gas appliance that can satisfy two kinds of sources of the gas of use simultaneously, then can satisfy most users' needs substantially, and according to the knowledge of the applicant, all kinds of fuel gas heating apparatus of being supplied in the market are the warmer of single gas kind, can't be general, when buying, the user must determine employed source of the gas earlier and then choose the fuel gas heating apparatus of corresponding kind still do not have a kind of fuel gas heating apparatus that can be used for two kinds of combustion gas and select for use for the user.
Summary of the invention
The purpose of this utility model is more at the source of the gas kind of present user's use, and existing fuel gas heating apparatus generally is suitable for the phenomenon of a kind of combustion gas kind (high heating value combustion gas or fuel gas with low heat value), design and a kind ofly both be suitable for using the high heating value combustion gas, be applicable to again and use the gas-fired warmer with dual gas sources of fuel gas with low heat value as source of the gas as source of the gas.
The technical solution of the utility model is:
A kind of gas-fired warmer with dual gas sources; comprise housing 1 and the main control valve 2 that is installed in the housing 1; burner 3; the gas outlet that it is characterized in that the two pressure pressure maintaining valves 5 of input termination of described main control valve 2; an air inlet in two pressure pressure maintaining valves 5 connects gas source; another inlet close; the output of main control valve 2 divides in the two-way input change-over switch 4; change-over switch output in 4 minutes four tunnel; wherein two-way output and double-air-supply nozzle 7 corresponding air inlets link to each other; in addition two-way output respectively with hypoxia protection igniter 6 in corresponding ignition burner 604; 605 link to each other; one end of the ignitor 603 in the hypoxia protection igniter 6 links to each other with igniter 8; double-air-supply nozzle 7 is installed in a side of burner 3, and its gas outlet is over against the air inlet of burner 3, and hypoxia protection igniter 6 is fixedly mounted on the burner 3.
Described main control valve 2 is a temperature-sensing valve.
Described pair of pressure pressure maintaining valve 5 comprises valve seat 501, valve casing 502, spool 503, rubber valve plate 504, pressure spring 505, adjusting pressuring knob 506, rubber valve plate 504 is installed between valve seat 501 and the valve casing 502 and will be divided into common pressure chamber 507 and pressure stabilizing cavity 508 by the inner chamber that valve seat 501 and valve casing 502 are connected to form, valve casing 502 is provided with the passage 512 that communicates with common pressure chamber 507, on described valve seat 501, be provided with two air admission holes 509, on the hole wall of each air admission hole 509, be provided with the regulator hole 510 that communicates with pressure stabilizing cavity 508, be provided with two pressure spring seats 511 at valve casing 502 with respect to the position of air admission hole 509, adjusting pressuring knob 506 spinnings are in pressure spring seat 511, pressure spring 505 is installed in the pressure spring seat 511, one end and adjusting pressuring knob 506 offset, one end of the other end and spool 503 offsets, the other end that has the conical surface of spool 503 passes rubber valve plate 504 and stretches in the regulator hole 510 on air admission hole 509 hole walls, and gas outlet 513 is positioned on the valve seat 501 and with pressure stabilizing cavity 508 and communicates.
Described hypoxia protection igniter 6 comprises installing rack 601; thermocouple 602, sparking electrode 603, high heating value gas ignition nozzle 604, fuel gas with low heat value ignition burner 605 are installed on described installing rack 601; wherein thermocouple 602 is installed between high heating value gas ignition nozzle 604, the fuel gas with low heat value ignition burner 605, and the discharge end of sparking electrode 603 is positioned at the top, exit of high heating value gas ignition nozzle 604 and fuel gas with low heat value ignition burner 605.
Described high heating value gas ignition nozzle 604 and fuel gas with low heat value ignition burner 605 relative tilting being installed on the installing rack 601, thermocouple 602 is installed between the two, and its top is positioned near the crossing point of axes place of high heating value gas ignition nozzle 604 and fuel gas with low heat value ignition burner 605.
Described high heating value gas ignition nozzle 604 and fuel gas with low heat value ignition burner 605 are installed in parallel on the installing rack 601; the exit of described high heating value gas ignition nozzle 604 and fuel gas with low heat value ignition burner 605 all is equipped with deflector 606; be respectively equipped with igniting spray orifice 607 and hypoxia protection gas spurt 608 on the deflector 606; thermocouple 602 is installed between two spray orifices 608, and its top is not less than the horizontal level of two spray orifices 608.
Described double-air-supply nozzle 7 is made up of inner nozzle 701 and outer nozzle 702, inner nozzle 701 spinnings are in outer nozzle 702, be provided with air cavity 7033 between the two, the fuel gas with low heat value spray orifice 7201 of outer nozzle 702 is positioned on the end of outer nozzle 702, its fuel gas with low heat value air inlet 7202 is positioned on the shell wall of outer nozzle 702, communicate by air cavity 703 between the two, the high heating value gas jet orifice 7101 of inner nozzle 701 is positioned on its end that inserts outer nozzle 702, its high heating value gas inlet 7101 is positioned on the other end of outer nozzle 701, the diameter of high heating value gas jet orifice 7101 is less than the diameter of fuel gas with low heat value spray orifice 7201, and the ratio of the two is between 1: 1.5～3.
Described double-air-supply nozzle 7 comprises housing 704, the two ends of described housing 704 are respectively equipped with high heating value gas inlet 7401 and fuel gas with low heat value air inlet 7402, on the shell wall of housing 704, be respectively equipped with and a high heating value gas nozzle 7403 that communicates with high heating value gas inlet 7401 and a fuel gas with low heat value nozzle 7404 that communicates with fuel gas with low heat value air inlet 7402, and the diameter of high heating value gas nozzle 7403 is less than the diameter of fuel gas with low heat value nozzle 7404, and the ratio of the two is between 1: 1.5～3.
The utlity model has following advantage:
1, satisfied the market demand,, helped manufacturing enterprise's tissue and produce for user and dealer have enlarged the leeway of selecting.
2, enlarge the gas scope of using, both can be used for high heating value combustion gas (as liquefied petroleum gas), also can be used for fuel gas with low heat value (as coal gas, natural gas, biogas etc.).
3, when making things convenient for the user to choose, the replacing of combustion gas in the user's use of being more convenient for when needs are changed the combustion gas kind, only need be changed gas source interface and stir the replacing that change-over switch can be realized source of the gas.
4, saved user's overlapping investment, the peak use rate of performance resource has to utilize and creates conservation-minded society.
Description of drawings
Fig. 1 is the backsight structural representation of of the present utility model pair of combustion gas heating.
Fig. 2 is the structural representation of dual gas supply change-over switch of the present utility model.
Fig. 3 is one of structural representation of double-air-supply nozzle of the present utility model.
Fig. 4 be double-air-supply nozzle of the present utility model structural representation two.
Fig. 5 is the structural representation of of the present utility model pair of pressure pressure maintaining valve.
Fig. 6 is one of hypoxia protection igniter schematic diagram of the present utility model.
Fig. 7 is two of a hypoxia protection igniter schematic diagram of the present utility model.
The specific embodiment
Following structure drawings and Examples are further described the utility model.
Shown in Fig. 1-7.
A kind of gas-fired warmer with dual gas sources; comprise housing 1 and be installed in main control valve 2 in the housing 1 that (can adopt model is SIT545 or SIT544 type temperature-sensing valve; also can adopt hand-operated valve to be realized); burner 3; the gas outlet of the two pressure pressure maintaining valves 5 of the input termination of described main control valve 2; an air inlet in two pressure pressure maintaining valves 5 connects gas source; another inlet close; the output of main control valve 2 divides in the two-way input change-over switch 4 (its structure as shown in Figure 2); change-over switch total two-way input in 4 fens; four tunnel outputs; the two-way input connects high heating value and fuel gas with low heat value respectively; two-way output in four tunnel outputs and double-air-supply nozzle 7 corresponding air inlets link to each other; in addition two-way output respectively with hypoxia protection igniter 6 in corresponding ignition burner 604; 605 link to each other; one end of the ignitor 603 in the hypoxia protection igniter 6 links to each other with igniter 8; double-air-supply nozzle 7 is installed in a side of burner 3; its gas outlet is over against the air inlet of burner 3, and hypoxia protection igniter 6 is fixedly mounted on the burner 3.As shown in Figure 1.
During concrete enforcement:
Two pressure pressure maintaining valves 5 can adopt structure as shown in Figure 5, it comprises valve seat 501, valve casing 502, spool 503, rubber valve plate 504, pressure spring 505, adjusting pressuring knob 506, rubber valve plate 504 is installed between valve seat 501 and the valve casing 502 and will be divided into common pressure chamber 507 and pressure stabilizing cavity 508 by the inner chamber that valve seat 501 and valve casing 502 are connected to form, valve casing 502 is provided with the passage 512 that communicates with common pressure chamber 507, on described valve seat 501, be provided with two air admission holes 509, on the hole wall of each air admission hole 509, be provided with the regulator hole 510 that communicates with pressure stabilizing cavity 508, be provided with two pressure spring seats 511 at valve casing 502 with respect to the position of air admission hole 509, adjusting pressuring knob 506 spinnings are in pressure spring seat 511, pressure spring 505 is installed in the pressure spring seat 511, one end and adjusting pressuring knob 506 offset, one end of the other end and spool 503 offsets, the other end that has the conical surface of spool 503 passes rubber valve plate 504 and stretches in the regulator hole 510 on air admission hole 509 hole walls, and gas outlet 513 is positioned on the valve seat 501 and with pressure stabilizing cavity 508 and communicates.
Hypoxia protection igniter 6 is as Fig. 6; shown in 7; hypoxia protection igniter 6 shown in Figure 6 comprises installing rack 601; thermocouple 602 is installed on installing rack 601; sparking electrode 603; high heating value gas ignition nozzle 604; fuel gas with low heat value ignition burner 605; high heating value gas ignition nozzle 604 wherein and fuel gas with low heat value ignition burner 605 relative tilting being installed on the installing rack 601; thermocouple 602 is installed between the two; its top is positioned near the crossing point of axes place of high heating value gas ignition nozzle 604 and fuel gas with low heat value ignition burner 605, and the discharge end of sparking electrode 603 (can be bipolar electrode and also can be single electrode) is positioned at the top, exit of high heating value gas ignition nozzle 604 and fuel gas with low heat value ignition burner 605.
Hypoxia protection igniter 6 shown in Figure 7 is that with the difference of Fig. 6 described high heating value gas ignition nozzle 604 and fuel gas with low heat value ignition burner 605 are installed in parallel on the installing rack 601; the exit of described high heating value gas ignition nozzle 604 and fuel gas with low heat value ignition burner 605 all is equipped with deflector 606; be respectively equipped with igniting spray orifice 607 and hypoxia protection gas spurt 608 on the deflector 606; thermocouple 602 is installed between two spray orifices 608, and its top is not less than the horizontal level of two spray orifices 608.
The structure of double-air-supply nozzle 7 such as Fig. 3, shown in 4, double-air-supply nozzle 7 shown in Figure 3 mainly is made up of inner nozzle 701 and outer nozzle 702, inner nozzle 701 spinnings are in outer nozzle 702, be provided with air cavity 7033 between the two, the fuel gas with low heat value spray orifice 7201 of outer nozzle 702 is positioned on the end of outer nozzle 702, its fuel gas with low heat value air inlet 7202 is positioned on the shell wall of outer nozzle 702, communicate by air cavity 703 between the two, the sectional area of fuel gas with low heat value air inlet 7202 is 5～25: 1 with the ratio of the minimum sectional area of fuel gas with low heat value spray orifice 7201, the high heating value gas jet orifice 7101 of inner nozzle 701 is positioned on its end that inserts outer nozzle 702, its high heating value gas inlet 7101 is positioned on the other end of outer nozzle 701, the sectional area of high heating value gas inlet 7102 is 10～40: 1 with the ratio of the minimum sectional area of high heating value gas jet orifice 7101, and the diameter of high heating value gas jet orifice 7101 is less than the diameter of fuel gas with low heat value spray orifice 7201, and the ratio of the two is between 1: 1.5～3.
Double-air-supply nozzle 7 shown in Figure 4 comprises housing 704, be respectively equipped with high heating value gas inlet 7401 and fuel gas with low heat value air inlet 7402 at the two ends of housing 704, on the shell wall of housing 704, be respectively equipped with and a high heating value gas nozzle 7403 that communicates with high heating value gas inlet 7401 and a fuel gas with low heat value nozzle 7404 that communicates with fuel gas with low heat value air inlet 7402, the sectional area of high heating value gas inlet 7401 is 10～40: 1 with the ratio of the minimum sectional area of high heating value gas nozzle 7403, the sectional area of fuel gas with low heat value air inlet 4702 is 5～25: 1 with the ratio of the minimum sectional area of fuel gas with low heat value nozzle bore 7404, and the diameter of high heating value gas nozzle 7403 is less than the diameter of fuel gas with low heat value nozzle 7404, and the ratio of the two is between 1: 1.5～3.
The utility model does not relate to and does not carefully state partly all same as the prior art as the model of burner 3, Emulational wood, control system, chamber structure etc. and part parts.
Utilize double-air-supply nozzle, dual gas supply voltage-stablizer, dual-gas source ignition device with oxygen depletion safety device to realize two kinds of different combustion gas of a warmer incendivity and need not to change any parts to be essentiality contents of the present utility model.
Claims (8)
1; a kind of gas-fired warmer with dual gas sources; comprise housing (1) and be installed in main control valve (2) in the housing (1); burner (3); the gas outlet that it is characterized in that the two pressure pressure maintaining valves (5) of input termination of described main control valve (2); an air inlet in two pressure pressure maintaining valves (5) connects gas source; another inlet close; the output of main control valve (2) divides in the two-way input change-over switch (4); change-over switch (4) divides four tunnel outputs; wherein the two-way output air inlet corresponding with double-air-supply nozzle (7) links to each other; in addition two-way output respectively with hypoxia protection igniter (6) in corresponding ignition burner (604; 605) link to each other; one end of the ignitor (603) in the hypoxia protection igniter (6) links to each other with igniter (8); double-air-supply nozzle (7) is installed in a side of burner (3); its gas outlet is over against the air inlet of burner (3), and hypoxia protection igniter (6) is fixedly mounted on the burner (3).
2, gas-fired warmer with dual gas sources according to claim 1 is characterized in that described main control valve (2) is a temperature-sensing valve.
3, gas-fired warmer with dual gas sources according to claim 1, it is characterized in that described pair of pressure pressure maintaining valve (5) comprises valve seat (501), valve casing (502), spool (503), rubber valve plate (504), pressure spring (505), adjusting pressuring knob (506), rubber valve plate (504) is installed between valve seat (501) and the valve casing (502) and will be divided into common pressure chamber (507) and pressure stabilizing cavity (508) by the inner chamber that valve seat (501) and valve casing (502) are connected to form, valve casing (502) is provided with the passage (512) that communicates with common pressure chamber (507), on described valve seat (501), be provided with two air admission holes (509), on the hole wall of each air admission hole (509), be provided with the regulator hole (510) that communicates with pressure stabilizing cavity (508), be provided with two pressure spring seats (511) at valve casing (502) with respect to the position of air admission hole (509), adjusting pressuring knob (506) spinning is in pressure spring seat (511), pressure spring (505) is installed in the pressure spring seat (511), one end and adjusting pressuring knob (506) offset, one end of the other end and spool (503) offsets, the other end that has the conical surface of spool (503) passes rubber valve plate (504) and stretches in the regulator hole (510) on air admission hole (509) hole wall, and gas outlet (513) is positioned at valve seat (501) and goes up and communicate with pressure stabilizing cavity (508).
4; gas-fired warmer with dual gas sources according to claim 1; it is characterized in that described hypoxia protection igniter (6) comprises installing rack (601); thermocouple (602) is installed on described installing rack (601); sparking electrode (603); high heating value gas ignition nozzle (604); fuel gas with low heat value ignition burner (605); wherein thermocouple (602) is installed in high heating value gas ignition nozzle (604); between the fuel gas with low heat value ignition burner (605), the discharge end of sparking electrode (603) is positioned at the top, exit of high heating value gas ignition nozzle (604) and fuel gas with low heat value ignition burner (605).
5, gas-fired warmer with dual gas sources according to claim 4, it is characterized in that relative tilting being installed on the installing rack (601) of described high heating value gas ignition nozzle (604) with fuel gas with low heat value ignition burner (605), thermocouple (602) is installed between the two, and its top is positioned near the crossing point of axes place of high heating value gas ignition nozzle (604) and fuel gas with low heat value ignition burner (605).
6; gas-fired warmer with dual gas sources according to claim 4; it is characterized in that described high heating value gas ignition nozzle (604) and fuel gas with low heat value ignition burner (605) are installed in parallel on the installing rack (601); the exit of described high heating value gas ignition nozzle (604) and fuel gas with low heat value ignition burner (605) all is equipped with deflector (606); be respectively equipped with igniting spray orifice (607) and hypoxia protection gas spurt (608) on the deflector (606); thermocouple (602) is installed between two spray orifices (608), and its top is not less than the horizontal level of two spray orifices (608).
7, gas-fired warmer with dual gas sources according to claim 1, it is characterized in that described double-air-supply nozzle (7) is made up of inner nozzle (701) and outer nozzle (702), inner nozzle (701) spinning is in outer nozzle (702), be provided with air cavity (7033) between the two, the fuel gas with low heat value spray orifice (7201) of outer nozzle (702) is positioned on the end of outer nozzle (702), its fuel gas with low heat value air inlet (7202) is positioned on the shell wall of outer nozzle (702), communicate by air cavity (703) between the two, the high heating value gas jet orifice (7101) of inner nozzle (701) is positioned on its end that inserts outer nozzle (702), its high heating value gas inlet (7101) is positioned on the other end of outer nozzle (701), and the diameter of high heating value gas jet orifice (7101) is less than the diameter of fuel gas with low heat value spray orifice (7201), and the ratio of the two is between 1: 1.5～3.
8, gas-fired warmer with dual gas sources according to claim 1, it is characterized in that described double-air-supply nozzle (7) comprises housing (704), the two ends of described housing (704) are respectively equipped with high heating value gas inlet (7401) and fuel gas with low heat value air inlet (7402), on the shell wall of housing (704), be respectively equipped with and a high heating value gas nozzle (7403) that communicates with high heating value gas inlet (7401) and a fuel gas with low heat value nozzle (7404) that communicates with fuel gas with low heat value air inlet (7402), the diameter of high heating value gas nozzle (7403) is less than the diameter of fuel gas with low heat value nozzle (7404), and the ratio of the two is between 1: 1.5～3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071453 CN2901066Y (en) | 2006-05-16 | 2006-05-16 | Double gas source gas firing heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071453 CN2901066Y (en) | 2006-05-16 | 2006-05-16 | Double gas source gas firing heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2901066Y true CN2901066Y (en) | 2007-05-16 |
Family
ID=38085230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620071453 Expired - Lifetime CN2901066Y (en) | 2006-05-16 | 2006-05-16 | Double gas source gas firing heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2901066Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100451450C (en) * | 2006-05-16 | 2009-01-14 | 南京普鲁卡姆电器有限公司 | Gas-fired warmer with dual gas sources |
| CN105222221A (en) * | 2015-11-02 | 2016-01-06 | 广州祈信金属制品有限公司 | The two fuel gas heating apparatus of new type of safe |
| CN108980835A (en) * | 2018-07-05 | 2018-12-11 | 南京锐控机电制造有限公司 | The gas source identification of the combustion system and the system of a kind of automatic control and electricity-generating method |
| WO2022062168A1 (en) * | 2020-09-24 | 2022-03-31 | 长青热能科技(中山)有限公司 | Heater employing multiple gas sources |
-
2006
- 2006-05-16 CN CN 200620071453 patent/CN2901066Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100451450C (en) * | 2006-05-16 | 2009-01-14 | 南京普鲁卡姆电器有限公司 | Gas-fired warmer with dual gas sources |
| CN105222221A (en) * | 2015-11-02 | 2016-01-06 | 广州祈信金属制品有限公司 | The two fuel gas heating apparatus of new type of safe |
| CN105222221B (en) * | 2015-11-02 | 2017-09-22 | 广州祈信金属制品有限公司 | The double fuel gas heating apparatus of new type of safe |
| CN108980835A (en) * | 2018-07-05 | 2018-12-11 | 南京锐控机电制造有限公司 | The gas source identification of the combustion system and the system of a kind of automatic control and electricity-generating method |
| WO2022062168A1 (en) * | 2020-09-24 | 2022-03-31 | 长青热能科技(中山)有限公司 | Heater employing multiple gas sources |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090114 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |