CN201652779U - Vertical water-fire tube counter-burning gasification furnace - Google Patents
Vertical water-fire tube counter-burning gasification furnace Download PDFInfo
- Publication number
- CN201652779U CN201652779U CN2010201528375U CN201020152837U CN201652779U CN 201652779 U CN201652779 U CN 201652779U CN 2010201528375 U CN2010201528375 U CN 2010201528375U CN 201020152837 U CN201020152837 U CN 201020152837U CN 201652779 U CN201652779 U CN 201652779U
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- Prior art keywords
- fire tube
- water
- parallel
- heater
- gasification furnace
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- 238000002309 gasification Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 120
- 239000005439 thermosphere Substances 0.000 claims description 12
- 102000010637 Aquaporins Human genes 0.000 claims description 8
- 108010063290 Aquaporins Proteins 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 7
- 230000036413 temperature sense Effects 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 4
- 239000003034 coal gas Substances 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 21
- 239000002956 ash Substances 0.000 description 16
- 238000002485 combustion reaction Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 235000019504 cigarettes Nutrition 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model relates to a vertical water-fire tube counter-burning gasification furnace, which comprises a furnace body and a water box formed inside the furnace body. A fire tube passage is arranged inside the water box; a hearth is arranged on the inner lower portion of the furnace body; the hearth includes a coal gas generating chamber and a high-temperature area; the coal gas generating chamber is separated from the water box by a closing layer; the closing layer is provided with a water passage communicated with the water box; a water tube fire grate is arranged between the coal gas generating chamber and the high-temperature area; the high-temperature area is formed by space between the water tube fire grate and a secondary burning fire grate positioned below the water tube fire grate; one end of the fire tube passage is communicated with the high-temperature area; and the other end of the fire tube passage is communicated with a smoke outlet arranged on the furnace body. The vertical water-fire tube counter-burning gasification furnace enables burning to be more sufficient by two-time counter-burning, increases heat exchange area by a fire tube group, decreases heat loss by additionally arranging a heat return layer, and reduces smoke gas emission by an ash removing chamber, thereby being more energy-saving and environment-friendly, and being particularly applicable to household heating.
Description
Technical field
The utility model relates to a kind of boiler, is specially the anti-gasification furnace that burns of vertical extreme misery pipe.
Background technology
The structure of extreme misery pipe warming stove in the market generally comprises body of heater, and the inwall of body of heater is provided with water jacket, is located at the interior water tank of body of heater, reaches fire grate.Offer outlet flue, water inlet, delivery port on the body of heater, water inlet and delivery port are connected with the water inlet of water tank and the delivery port of water jacket respectively.The bottom of body of heater also offers fills out ort and ashes door.Be provided with fire tube in the water tank, the hot gas that fuel combustion produces by fire tube the time with water tank in water generation heat exchange, make the water heating in the water tank, hot water flows into radiator for warming oneself.This water tank is owing to finite volume, and the length of its inner water pipe that is provided with is also limited, and heat exchange area also is restricted, and rate of heat exchange is lower.Publication number is that the patent documentation of CN201363881Y discloses a kind of vertical boiler, this vertical boiler includes body of heater, be arranged at the fire grate in the body of heater, be positioned at the combustion chamber on fire grate upper strata, and the water tank that is set up in top, described combustion chamber, vertically arrange at least two group fire tubes in the water tank, every group of fire tube is made up of some fire tubes, the below air inlet of first group of fire tube is communicated with described combustion chamber, the gas outlet, top of described first group of fire tube is communicated with by a communication chamber with the top air inlet of second group of fire tube, the airintake direction of two adjacent groups is opposite, and last group fire tube gas outlet is in communication with the outside by a communication chamber.The fire tube of the many groups of circuitous configuration that are connected in series and have of this vertical boiler setting make the area of heat exchange obviously increase, so heat exchange is more abundant.But this boiler is owing to adopt straight sintering structure, and the cigarette ash that burning produces directly upwards enters fire tube, still have in the exit of boiler part because of the soot emissions of insufficient generation of burning in air.For reducing exhaust smoke level, a kind of boiler has appearred in the market, and this boiler Lower Half adopts that water pipe is counter to be burnt, the first half adopts water pipe directly to burn, and the burning of fuel is abundant inadequately on the one hand, on the other hand because the first half adopts straight the burning, the exit temperature is higher, still has energy waste to a certain degree.
The utility model content
For this reason, technical problem to be solved in the utility model is to overcome the existing technical problem that boiler combustion is insufficient, the thermal efficiency is low, and a kind of not only environmental protection but also the energy-conservation anti-gasification furnace that burns of vertical extreme misery pipe are provided.
For solving the problems of the technologies described above, the anti-gasification furnace that burns of vertical extreme misery pipe of the present utility model, comprise body of heater, the water tank that in described body of heater, constitutes, be provided with the fire tube passage in the described water tank, the bottom is provided with burner hearth in described body of heater, described burner hearth comprises gas generating chamber and high-temperature region, separate by confining bed between described gas generating chamber and the described water tank, described confining bed is provided with the aquaporin that is connected with described water tank, be provided with water pipe furnace grate between described gas generating chamber and the described high-temperature region, described high-temperature region is made of water pipe furnace grate and the space between the second-time burning fire grate below the water pipe furnace grate, one end of described fire tube passage is connected with described high-temperature region, and the other end is connected with outlet flue on being opened in described body of heater.
Described confining bed comprises roof and sidewall.
Described confining bed is made of two-layer dividing plate, forms described aquaporin between the two-layer described dividing plate.
Described confining bed is made of the some water pipes that are parallel to each other, and builds through cement to constitute an integral body.
In described water tank, described fire tube passage is made of the parallel fire tube of the odd number group that vertically be arranged in parallel, and described parallel fire tube is made of the several fire tubes that be arranged in parallel.
Be provided with dedusting chamber between described body of heater and the described parallel fire tube.
Be provided with the parallel fire tube of at least three groups in the described water tank, the air inlet of first group of described parallel fire tube is connected with described high-temperature region, described last organized described parallel fire tube and is connected with described outlet flue, two groups of adjacent described parallel fire tubes, the air inlet of the one group of described parallel fire tube in the gas outlet of wherein last group described parallel fire tube and back is connected with dedusting chamber between the described parallel fire tube by being located at described body of heater, and described dedusting chamber also comprises the ash door that is opened on the described body of heater.
Level is provided with anti-thermosphere between the top of described parallel fire tube and the described outlet flue, forms described dedusting chamber between described parallel fire tube and the described anti-thermosphere, and described dedusting chamber is connected with described outlet flue.
Described anti-thermosphere is made of two-layer dividing plate, the space of the water supply circulation that the formation between the two-layer described dividing plate is connected with described water tank.
The delivery port of described body of heater is provided with the temperature sense probe, described temperature sense probe is connected with temperature controller by lead, be connected with power circuit breaker on the described temperature controller, described power circuit breaker one end is connected with power supply, and the other end is parallel with blower fan and water pump.
Technique scheme of the present utility model has the following advantages compared to existing technology, (1) on gas generating chamber top confining bed is set, realizes instead burning for twice, fuel combustion is more abundant, improve the utilization rate of fuel on the one hand, reduced the discharge capacity of cigarette ash on the other hand; (2) water flowing in the confining bed has improved the temperature that can bear, has also increased the area of heat exchange simultaneously, makes heat exchange more abundant; Confining bed is built into through cement by water pipe, has increased the sealing process of confining bed, increases the generation of coal gas, and the intensity of confining bed is increased; (3) many group fire tubes are set in water tank, have increased heat exchange area.Be provided with dedusting chamber between the fire tube, when high-temperature flue gas passed through dedusting chamber, the part flying dust was bonded on the wall of dedusting chamber, can remove the part flying dust; (4) be provided with anti-thermosphere above fire tube, when having increased heat exchange area, the part heat reflected back water tank with flue gas has reduced the loss of heat.(5) adopt the operation of temperature controller control blower fan and water pump, thereby control the water temperature of outlet pipe automatically.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the anti-left view that burns gasification furnace of the described vertical extreme misery pipe of first embodiment;
Fig. 2 be along A-A among Fig. 1 to cutaway view;
Fig. 3 is the control principle figure of temperature controller;
Fig. 4 is the anti-front view that burns gasification furnace of the described vertical extreme misery pipe of second embodiment;
Fig. 5 is the anti-left view that burns gasification furnace of the described vertical extreme misery pipe of second embodiment.
Reference numeral is expressed as among the figure: 10-body of heater, 11-outlet flue, 12-water jacket, the 13-outlet pipe, 14-return pipe, 15-chimney, the 20-water tank, 31-fire tube, 32-air inlet, the 33-gas outlet, 34-first dedusting chamber, 35-second dedusting chamber, 36-the 3rd dedusting chamber, 37-ash door, 40-burner hearth, 41-gas generating chamber, 42-high-temperature region, 43-water pipe furnace grate, 44-second-time burning fire grate, 45-fills out ort, the 46-fire door, 47-ashes door, 48-confining bed, 49-water pipe, 50-temperature sense probe, 51-temperature controller, 53-blower fan, the 54-water pump, the anti-thermosphere of 60-.
The specific embodiment
The anti-gasification furnace that burns of vertical extreme misery pipe described in the utility model, comprise body of heater 10, the water tank 20 that in described body of heater 10, constitutes, be provided with the fire tube passage in the described water tank 20, the bottom is provided with burner hearth 40 in described body of heater 10, described burner hearth 40 comprises gas generating chamber 41 and high-temperature region 42, separate by confining bed 48 between described gas generating chamber 41 and the described water tank 20, described confining bed 48 is provided with the aquaporin that is connected with described water tank 20, be provided with water pipe furnace grate 43 between described gas generating chamber 41 and the described high-temperature region 42, described high-temperature region 42 is made of water pipe furnace grate 43 and the space between the second-time burning fire grate 44 below the water pipe furnace grate 43, one end of described fire tube passage is connected with described high-temperature region 42, and the other end is connected with outlet flue 11 on being opened in described body of heater 10.
As shown in Figure 1, described body of heater 10 is the most inboard to be water jacket 12, and the water of described water jacket 12 is communicated with water in the described water tank 20.The top of described body of heater 10 is provided with outlet flue 11, and described outlet flue 11 is connected with chimney 15, and the top of described body of heater 10 also is provided with air pressure that is used to make in the body of heater 10 and the air pipe that ambient pressure balances each other and exports.Also be provided with the water injection pipe that is used for to described water tank 20 water fillings on the sidewall of described body of heater 10, make the outlet pipe 13 of the current direction fin in the water tank 20 and make the return pipe 14 of the current recovery tank 20 in the fin.Also have on the sidewall of described body of heater 10 when coal is filled out by described gas generating chamber 41, open fill out ort 45, on body of heater 10 sidewalls between described water pipe furnace grate 43 and the described second-time burning fire grate 44, also offer fire door 46, also offer the ashes chamber that is used for collecting on body of heater 10 sidewalls under the described second-time burning fire grate 44, described ashes chamber is provided with and can drawing the ashes door of opening when getting ashes 47.
In the present embodiment, described water tank 20 is located at middle part in the described body of heater 10, the water return outlet that described water tank 20 is provided with the water filling port that is connected with described water injection pipe, the delivery port that is connected with described outlet pipe 13 and is connected with described return pipe 14.The bottom part of described water tank 20 extends high-temperature region 42, and another part extends the top of gas generating chamber 41, as Fig. 1.Described gas generating chamber 41 by the sidewall of water tank 20, be located at described water tank 20 belows confining bed 48, be provided with the body of heater 10 of filling out ort 45, space that the water pipe furnace grate 43 that is located at confining bed 48 belows surrounds constitutes.Described confining bed 48 is made of two-layer dividing plate, and space between the two-layer dividing plate forms aquaporin, and described aquaporin and described water tank 20 interior waters are communicated with.Described water pipe furnace grate 43 is the water flowing fire grate of hollow, Fig. 2 be along A-A among Fig. 1 to cutaway view, the water in the described water pipe furnace grate 43 and described water tank 20 interior waters are communicated with.Open to be located at and fill out ort 45 on the body of heater 10, coal is filled out on the water pipe furnace grate 43, because the sealing process of side's disposed thereon confining bed 48, the air-flows in the gas generating chamber 41 can only pass water pipe furnace grate 43 and flow downward, and produce a large amount of coal gas thereby the coal combustion of inserting is insufficient.Coal gas enters high-temperature region 42 with air-flow, and 42 burnings in the high-temperature region, the high-temperature flue gas that burning produces 42 enters the fire tube passage that is located in the water tank 20 from the high-temperature region, when in the fire tube passage, flowing and the water in the water tank 20 carry out heat exchange, with the heating of the water in the water tank 20, water after the heating flows to fin by the hot-water line that links to each other with described water tank 20, warms oneself.
Described fire tube passage comprises the parallel fire tube of odd number group, be in the present embodiment first group, second group with the 3rd group of totally three groups of parallel fire tubes, every group of described parallel fire tube is made of three fire tubes that be arranged in parallel 31.Be provided with dedusting chamber between the gas outlet 33 of described body of heater 10 and described parallel fire tube, described dedusting chamber has the ash door 37 that is opened on the described body of heater 10.As shown in Figure 1, the air inlet 32 of first group of parallel fire tube is connected with described high-temperature region 42, and the gas outlet 33 of first group of parallel fire tube is connected with first dedusting chamber 34, and the air inlet 32 of second group of parallel fire tube also is connected with first dedusting chamber 34.High-temperature flue gas comes out from the gas outlet 33 of first group of parallel fire tube, changes during through first dedusting chamber 34 to flow to, and has part cigarette ash to be bonded on the wall of first dedusting chamber 34, enters the air inlet 32 of second group of parallel fire tube afterwards.In like manner, the flue gas that comes out from second group of parallel fire tube gas outlet 33 is removed part cigarette ash again when second dedusting chamber 35, enters the 3rd group of parallel fire tube afterwards.The top of described the 3rd group of parallel fire tube is provided with anti-thermosphere 60, forms the 3rd dedusting chamber 36 between described anti-thermosphere 60 and described the 3rd group of parallel fire tube, and described the 3rd dedusting chamber 36 is connected with outlet flue 11 on being opened in body of heater 10.Accumulative total cigarette ash can be opened ash door 37 cigarette ash is cleaned out more for a long time in dedusting chamber.In the present embodiment, described anti-thermosphere 60 is made of two-layer dividing plate, forms the space of the water supply circulation that is connected with described water tank 20 between the two-layer described dividing plate.Anti-thermosphere 60 has not only further prolonged the travel distance of flue gas, has increased heat exchange area, also can be with in the reflect heat recovery tank 20 in the fire tube 31, and the temperature of the air of getting rid of from outlet flue 11 is further reduced, thereby improved the thermal efficiency.
The delivery port of described body of heater 10 is provided with temperature sense probe 50, and described temperature sense probe 50 is connected with temperature controller 51 by lead, is connected with power circuit breaker on the described temperature controller 51.Described power circuit breaker one end is connected with power supply, and the other end is parallel with blower fan 53 and water pump 54.Described blower fan 53 also is in series with the blower fan breaker, and described water pump 54 also is in series with the water pump breaker, therefore, under the situation that power circuit breaker is connected, can control its control principle such as Fig. 3 according to water temperature respectively to the opening and closing of blower fan and water pump.Water temperature by 51 pairs of outlet pipes 13 of described temperature controller is provided with a predetermined value, when the water temperature in the outlet pipe 13 is higher than this predetermined value, described temperature controller 51 disconnects the blower fan breaker, make blower fan 53 out of service, thereby reduce the water temperature in the outlet pipe 13, when the water temperature in the outlet pipe 13 is higher than this predetermined value, described temperature controller 51 is connected the blower fan breaker, blower fan 53 is resumed operation, improve the water temperature in the outlet pipe 13, when temperature is higher than predetermined value, disconnect blower fan 53 breakers once more.
In a second embodiment, described confining bed 48 comprises roof and sidewall, and described aquaporin is made of the some water pipes that are parallel to each other, and described water pipe is built the described confining bed 48 that constitutes an integral body through cement, and as Fig. 4 and Fig. 5, other are identical with first embodiment.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (10)
1. anti-gasification furnace that burns of vertical extreme misery pipe, the water tank (20) that comprises body of heater (10) and in described body of heater (10), constitute, described water tank is provided with the fire tube passage in (20), it is characterized in that: the bottom is provided with burner hearth in described body of heater (10), described burner hearth comprises gas generating chamber (41) and high-temperature region (42), separate by confining bed (48) between described gas generating chamber (41) and the described water tank (20), described confining bed (48) is provided with the aquaporin that is connected with described water tank (20), be provided with water pipe furnace grate (43) between described gas generating chamber (41) and described high-temperature region (42), described high-temperature region (42) is made of water pipe furnace grate (43) and the space that is positioned between the second-time burning fire grate (44) of water pipe furnace grate (43) below, one end of described fire tube passage is connected with described high-temperature region (42), and the other end is connected with outlet flue (11) on being opened in described body of heater (10).
2. the anti-gasification furnace that burns of vertical extreme misery pipe according to claim 1, it is characterized in that: described confining bed (48) comprises roof and sidewall.
3. the anti-gasification furnace that burns of vertical extreme misery pipe according to claim 2, it is characterized in that: described confining bed (48) is made of two-layer dividing plate, forms described aquaporin between the two-layer described dividing plate.
4. the anti-gasification furnace that burns of vertical extreme misery pipe according to claim 2 is characterized in that: described confining bed (48) is made of the some water pipes that are parallel to each other (49), builds through cement to constitute an integral body.
5. according to the anti-gasification furnace that burns of each described vertical extreme misery pipe among the claim 1-4, it is characterized in that: in described water tank (20), described fire tube passage is made of the parallel fire tube of the odd number group that vertically be arranged in parallel, and described parallel fire tube is made of the several fire tubes (31) that be arranged in parallel.
6. according to the anti-gasification furnace that burns of vertical extreme misery pipe described in the claim 5, it is characterized in that: be provided with dedusting chamber between described body of heater (10) and the described parallel fire tube.
7. according to the anti-gasification furnace that burns of vertical extreme misery pipe described in the claim 6, it is characterized in that: be provided with the parallel fire tube of at least three groups in the described water tank (20), the air inlet of first group of described parallel fire tube (32) is connected with described high-temperature region (42), last is organized described parallel fire tube and is connected with described outlet flue (11), two groups of adjacent described parallel fire tubes, the air inlet (32) of the one group of described parallel fire tube in gas outlet of wherein last group described parallel fire tube (33) and back is connected with dedusting chamber between the described parallel fire tube by being located at described body of heater (10), and described dedusting chamber also comprises the ash door that is opened on the described body of heater (10).
8. the anti-gasification furnace that burns of vertical extreme misery pipe according to claim 7, it is characterized in that: level is provided with anti-thermosphere (60) between the top of described parallel fire tube and the described outlet flue (11), form described dedusting chamber between described parallel fire tube and the described anti-thermosphere (60), described dedusting chamber is connected with described outlet flue (11).
9. the anti-gasification furnace that burns of vertical extreme misery pipe according to claim 8, it is characterized in that: described anti-thermosphere (60) is made of two-layer dividing plate, forms the space of the water supply circulation that is connected with described water tank (20) between the two-layer described dividing plate.
10. the anti-gasification furnace that burns of vertical extreme misery pipe according to claim 9, it is characterized in that: the delivery port of described body of heater (10) is provided with temperature sense probe (50), described temperature sense probe (50) is connected with temperature controller (51) by lead, described temperature controller is connected with power circuit breaker on (51), described power circuit breaker one end is connected with power supply, and the other end is parallel with blower fan (53) and water pump (54).
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CN2010201528375U CN201652779U (en) | 2010-04-08 | 2010-04-08 | Vertical water-fire tube counter-burning gasification furnace |
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CN2010201528375U CN201652779U (en) | 2010-04-08 | 2010-04-08 | Vertical water-fire tube counter-burning gasification furnace |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013026225A1 (en) * | 2011-08-22 | 2013-02-28 | 重庆三温暖电气有限公司 | Condensed efficient gas water heater |
CN103759415A (en) * | 2014-02-25 | 2014-04-30 | 赵永万 | Energy-saving environment-friendly type back burning boiler |
CN105890157A (en) * | 2014-09-15 | 2016-08-24 | 朱永彪 | Gas boiler |
CN105890158A (en) * | 2014-09-15 | 2016-08-24 | 朱永彪 | A gas boiler |
CN106560656A (en) * | 2016-04-25 | 2017-04-12 | 杨学利 | Pressure-free numerical-control back-burning gasifier |
CN108534129A (en) * | 2018-05-07 | 2018-09-14 | 余生明 | Automatic control highly effective solid fuel gasification combustion device and usage, gasification, and combustion multitubular boiler |
US10753644B2 (en) | 2017-08-04 | 2020-08-25 | A. O. Smith Corporation | Water heater |
-
2010
- 2010-04-08 CN CN2010201528375U patent/CN201652779U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013026225A1 (en) * | 2011-08-22 | 2013-02-28 | 重庆三温暖电气有限公司 | Condensed efficient gas water heater |
CN103759415A (en) * | 2014-02-25 | 2014-04-30 | 赵永万 | Energy-saving environment-friendly type back burning boiler |
CN105890157A (en) * | 2014-09-15 | 2016-08-24 | 朱永彪 | Gas boiler |
CN105890158A (en) * | 2014-09-15 | 2016-08-24 | 朱永彪 | A gas boiler |
CN106560656A (en) * | 2016-04-25 | 2017-04-12 | 杨学利 | Pressure-free numerical-control back-burning gasifier |
CN106560656B (en) * | 2016-04-25 | 2019-04-05 | 杨学利 | A kind of no pressure type numerical control is counter to burn gasification furnace |
US10753644B2 (en) | 2017-08-04 | 2020-08-25 | A. O. Smith Corporation | Water heater |
CN108534129A (en) * | 2018-05-07 | 2018-09-14 | 余生明 | Automatic control highly effective solid fuel gasification combustion device and usage, gasification, and combustion multitubular boiler |
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Effective date of registration: 20170421 Address after: Qinhuangdao City, Hebei province 066000 Harbor District of Qinhuangdao port logistics park XIAOZHANGZHUANG Patentee after: Hebei Cui wing Amperex Technology Limited Address before: Qinhuangdao City, Hebei Province town of Shimen 066401 Lulong County TUANSHANZI Village No. 324 Patentee before: Wang Quanhong |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20180408 |
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