CN114440459A - Heat exchange system and gas water heater - Google Patents
Heat exchange system and gas water heater Download PDFInfo
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- CN114440459A CN114440459A CN202011110709.9A CN202011110709A CN114440459A CN 114440459 A CN114440459 A CN 114440459A CN 202011110709 A CN202011110709 A CN 202011110709A CN 114440459 A CN114440459 A CN 114440459A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 151
- 238000002485 combustion reaction Methods 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 239000000779 smoke Substances 0.000 claims description 9
- 239000002737 fuel gas Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000005253 cladding Methods 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 description 6
- 239000004744 fabric Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 235000009781 Myrtillocactus geometrizans Nutrition 0.000 description 2
- 240000009125 Myrtillocactus geometrizans Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- -1 iron-chromium-aluminum Chemical compound 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a heat exchange system and a gas water heater, and belongs to the technical field of water heaters. The gas water heater comprises the heat exchange system. Through cladding the combustor in the outside of water tank for the water tank is heated evenly, and the inside of water tank can contain water, and water is by the even heating, and the combustor adopts flameless burning, and furthest promotes combustion efficiency and thermal conversion efficiency, makes water heated evenly fast, and to a great extent eliminates gas heater's double-layered aquatic phenomenon.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a heat exchange system and a gas water heater.
Background
With the improvement of living standard, the application of the water heater is more and more common. The gas water heater transfers heat to cold water by a combustion heating mode to prepare hot water, and is favored because the gas water heater occupies a small volume and is ready to use. However, the gas water heater has the phenomenon of raw water inclusion, namely, the user closes the water outlet valve and opens the water outlet valve again in the bathing process, and the water temperature is in a state of being heated firstly and then cooled. The root cause of the entrained water is that a section of cold water in the water pipe is not heated in time, and the root is the uneven response speed and temperature rise speed of the heat exchange system.
Disclosure of Invention
The invention aims to provide a heat exchange system and a gas water heater, and aims to solve the technical problems of non-uniform response speed and non-uniform temperature rise speed of the heat exchange system in the prior art.
As the conception, the technical scheme adopted by the invention is as follows:
a heat exchange system comprises a water tank and a burner, wherein the burner is coated outside the water tank, the water tank is provided with a water inlet and a water outlet, and the burner is in flameless combustion.
Wherein the water tank is capable of spinning about a first axis.
The water tank comprises a tank body and a supporting shaft for supporting the tank body, the supporting shaft extends along the first axis, and a water flow channel is formed in the supporting shaft in a hollow mode.
The supporting shafts are provided with two supporting shafts, one supporting shaft is hollow inside to form a water inlet channel, the water inlet channel is communicated with the water inlet, the other supporting shaft is hollow inside to form a water outlet channel, and the water outlet channel is communicated with the water outlet.
Wherein, the back shaft is provided with one and runs through the box, the inside of back shaft forms mutually independent inhalant canal and exhalant canal, inhalant canal's tip is located form in the box the water inlet, exhalant canal's tip is located form in the box the delivery port.
Wherein, the water tank is spherical.
The combustor is provided with an air inlet and a smoke outlet, and the air inlet and the smoke outlet are respectively positioned on two opposite sides of the combustor.
Wherein, still include:
the premixing cavity is used for mixing air and fuel gas and communicated with the air inlet;
and the fan is communicated with the premixing cavity and used for supplying air to the premixing cavity.
Wherein, the combustor is a metal fiber combustor.
A gas water heater comprises the heat exchange system.
The invention has the beneficial effects that:
according to the heat exchange system provided by the invention, the water can be contained in the water tank, the water tank is uniformly heated by coating the burner on the outer part of the water tank, the burner adopts flameless combustion, the combustion efficiency and the heat conversion efficiency are improved to the maximum extent, and the water is uniformly and quickly heated.
According to the gas water heater provided by the invention, as the heat exchange system is adopted, water is uniformly heated, and the phenomenon of entrained water of the gas water heater is eliminated to a great extent.
Drawings
FIG. 1 is a schematic diagram of a heat exchange system provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of another heat exchange system provided in the embodiment of the present invention.
In the figure:
10. a water tank; 101. a box body; 102. a support shaft; 103. a water inlet channel; 104. a water outlet channel;
20. a burner; 201. an air inlet; 202. a smoke outlet;
30. a premixing cavity;
40. a fan.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1, the embodiment of the present invention provides a heat exchange system, which includes a water tank 10 and a burner 20, wherein the burner 20 is wrapped outside the water tank 10, the water tank 10 has a water inlet and a water outlet, and the burner 20 uses flameless combustion.
Through cladding with combustor 20 in the outside of water tank 10 for water tank 10 is heated evenly, and the inside of water tank 10 can contain water, and water is by the even heating, and combustor 20 adopts the flameless burning, and furthest promotes combustion efficiency and thermal conversion efficiency, makes water by the even quick of heating, and to a great extent eliminates gas heater's double-layered aquatic phenomenon.
Wherein, the distance between the burner 20 and the water tank 10 is very small, about 1-2cm, which facilitates the heat of the burner 20 to be transferred to the water tank 10 to the maximum extent.
The water tank 10 can rotate around the first axis to enable the water tank 10 to be heated uniformly, and water inside the water tank 10 can be uniformly mixed to enable the temperature of the water to be uniform. The heat exchange system further comprises a driving mechanism for driving the water tank 10 to rotate. The driving mechanism can adopt the existing structure, and the description is omitted.
The water tank 10 includes a tank body 101 and a support shaft 102 for supporting the tank body 101, the support shaft 102 extending along a first axis, and a driving mechanism capable of driving the support shaft 102 to rotate and driving the tank body 101 to rotate when the support shaft 102 rotates.
The support shaft 102 is rotatably connected to the burner 20. Specifically, a bearing is disposed between the support shaft 102 and the burner 20, so that the support shaft 102 extends out of the burner 20 and is connected with an external driving mechanism.
The inside of the support shaft 102 is hollow to form a water flow passage for the inflow and outflow of water to and from the tank 101. Because the supporting shaft 102 and the box body 101 can rotate, a water inlet pipe and a water outlet pipe are not convenient to install on the box body 101, a water flow channel is formed by means of the supporting shaft 102, and the structure is fully utilized.
As shown in fig. 1, the water inlet and the water outlet are arranged on the box body 101, two support shafts 102 are arranged, the inside of one support shaft 102 is hollow to form a water inlet channel 103, the water inlet channel 103 is communicated with the water inlet, the inside of the other support shaft 102 is hollow to form a water outlet channel 104, and the water outlet channel 104 is communicated with the water outlet. Cold water enters the inside of the tank 101 through the water inlet passage 103, is heated inside the tank 101, and then flows out through the water outlet passage 104.
Alternatively, as shown in fig. 2, the supporting shaft 102 is provided with one and penetrates through the box 101, a water inlet channel 103 and a water outlet channel 104 which are independent of each other are formed inside the supporting shaft 102, an end of the water inlet channel 103 is located inside the box 101 to form a water inlet, and an end of the water outlet channel 104 is located inside the box 101 to form a water outlet. At this time, the water inlet and the water outlet are opened on the side wall of the support shaft 102.
The support shaft 102 is required to be connected with a water inlet pipe and a water outlet pipe, and since the support shaft 102 can rotate and the water inlet pipe and the water outlet pipe are fixed, bearings can be arranged between the support shaft 102 and the water inlet pipe and between the support shaft 102 and the water outlet pipe. The water inlet pipeline and the water outlet pipeline are both provided with electromagnetic valves. When the water tank is used, water can be discharged by utilizing the gravity of water in the water tank 10, and a water pump can be arranged on a water outlet pipeline, so that the water pressure is convenient to control.
In this embodiment, the water tank 10 is spherical, and the spherical water tank 10 is heated uniformly and occupies a small space to have a large water storage capacity. In the case of a spherical shape of the tank 10, the first axis is in the radial direction of the tank 10.
Of course, the tank 10 may also take a cylindrical, elliptical, or partially spherical shape, without limitation.
The burner 20 employs flameless combustion. Flameless combustion refers to a method of combustion in which gas and air are completely and uniformly mixed in a burner, the actual combustion air amount is greater than or equal to the theoretical air amount, i.e. the air consumption coefficient alpha is greater than or equal to 1, and then the gas and the air enter a gas chamber or a hearth for combustion.
Because of the high combustion speed and the heat intensity of the combustion space (lm)3The heat emitted from the combustion of the fuel in the combustion space in the furnace) is higher than that in the case of flame combustion by more than 100 to 1000 times, so that complete combustion can be achieved with a smaller air factor and the theoretical combustion temperature is higher.
The burner 20 may also be spherical, based on the spherical water tank 10 and the flameless combustion technology, to maximize the combustion efficiency and the thermal conversion efficiency.
The burner 20 has an air inlet 201 and a smoke outlet 202, and the air inlet 201 and the smoke outlet 202 are respectively located at two opposite sides of the burner 20, so that the gas can be fully contacted with the burner 20, and the combustion is more complete. In addition, the smoke outlet 202 may be provided at the top end to facilitate the discharge of combustion exhaust from the top end.
In order to avoid gas leakage, the outer part of the burner 20 is covered with a shell, a combustion space is formed between the shell and the water tank 10, and the air inlet 201 and the smoke outlet 202 are both communicated with the outside at one end and the combustion space at the other end.
The heat exchange system further comprises a premixing cavity 30 and a fan 40, the premixing cavity 30 is used for mixing air and fuel gas, the premixing cavity 30 is communicated with the air inlet 201, and the mixed air and fuel gas are supplied to the combustor 20; the blower 40 communicates with the premixing chamber 30 for supplying air to the premixing chamber 30.
As the air and the fuel gas are premixed and then conveyed to the combustor 20, strong flue gas backflow can be formed, thereby delaying the diffusion and mixing of the air and the fuel gas, avoiding the occurrence of a local high-temperature high-oxygen region in the traditional combustion mode, and further leading NO to be mixedXThe concentration is controlled at a lower level.
Because the reactant concentration is reduced in flameless combustion, the reaction area is enlarged, the fuel is combusted in the high-temperature low-oxygen atmosphere, the reaction is carried out in a wide area, sometimes, the whole combustion space is filled with the reactant, the flame volume is enlarged in multiples, the flame frontal surface disappears, the temperature of the whole combustion space is uniformly distributed, the volume heat load of the combustion space is improved, and the radiation heat transfer is enhanced.
The air inlet end of the fan 40 can adopt a drainage technology, so that the air quantity is multiplied, the air-fuel ratio is increased, the flameless combustion condition is achieved, then the air is mixed by the premixing cavity 30 and reaches the combustion space for combustion, and the combustion heat is mainly transferred to the water in the water tank 10 through radiation. Since the spherical water tank 10 can rotate around the first axis, the mixing speed of the cold water and the hot water is increased.
The burner 20 is a metal fiber burner. The surface of the metal fiber is burnt, so that the infrared combustion is realized, and the pollution emission is low.
The fiber is heat-resisting alloy steel (iron-chromium-aluminum alloy fiber) made by mechanical method, and has a diameter of about 40-50 μm. The fiber is made into a three-dimensional net structure by sintering or knitting to form the metal fiber burner.
Specifically, the metal fibers can be either sintered together to form a rigid, porous sheet or can be made into a soft fabric by a weaving process. Both structures provide a homogeneous medium with great gas permeability. The fuel can be combusted in an infrared heat radiation mode and a blue flame mode, and the translation conversion of combustion can be realized in the two modes.
The infrared heat radiation mode is that the combustible mixture burns inside the fabric, the metal fiber fabric is heated to incandescent state, and a part of the heat is released in a radiation manner. The blue flame mode is where the combustible mixture burns over the fabric, the flame bears a blue color floating on the surface, and heat is released in a convective manner.
Because of the uniform air permeability of the metal fiber fabric and the uniform premixing of the fuel gas and the air, the combustion is very stable, the temperature distribution is uniform, and no local high temperature exists, thereby inhibiting the generation of NOx. The premixing has enough air supply, so the emission of CO is low.
The metal fiber burner has good corrosion resistance and oxidation resistance. This gives the burner 20 an ultra-long service life. When the burner 20 is in a closed environment, the surface temperature and radiation efficiency will increase.
The metal fiber burner has thermal shock resistance. With 100% metal, the burner 20 can even experience extreme thermal shock. Water splashed on the surface of the burner 20 will be evaporated without leaving any traces of damage on the surface of the burner 20. In addition, the metal fiber burner also has good mechanical impact resistance, backfire safety performance and quick cooling performance.
The metal fiber burner is flexible so that the head of the burner 20 can be made in any shape, such as flat, cylindrical, conical, concave or spherical.
The embodiment of the invention also provides a gas water heater, which comprises the heat exchange system, and because the heat conversion efficiency of the heat exchange system is high, water is uniformly heated, and the phenomenon of entrained water of the gas water heater is eliminated to a great extent.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The heat exchange system is characterized by comprising a water tank (10) and a burner (20), wherein the burner (20) is coated outside the water tank (10), the water tank (10) is provided with a water inlet and a water outlet, and the burner (20) adopts flameless combustion.
2. A heat exchange system according to claim 1, wherein the tank (10) is rotatable about a first axis.
3. A heat exchange system according to claim 2, wherein the water tank (10) comprises a tank body (101) and a support shaft (102) for supporting the tank body (101), the support shaft (102) extending along the first axis, the support shaft (102) having an inner hollow forming a water flow passage.
4. The heat exchange system according to claim 3, wherein the number of the support shafts (102) is two, the inside of one support shaft (102) is hollow to form a water inlet channel (103), the water inlet channel (103) is communicated with the water inlet, the inside of the other support shaft (102) is hollow to form a water outlet channel (104), and the water outlet channel (104) is communicated with the water outlet.
5. The heat exchange system according to claim 3, wherein the supporting shaft (102) is provided with one and penetrates through the box body (101), a water inlet channel (103) and a water outlet channel (104) which are independent of each other are formed inside the supporting shaft (102), the end of the water inlet channel (103) is positioned in the box body (101) to form the water inlet, and the end of the water outlet channel (104) is positioned in the box body (101) to form the water outlet.
6. A heat exchange system according to claim 1, characterised in that the water tank (10) is spherical.
7. The heat exchange system of claim 1, wherein the burner (20) has an air inlet (201) and a smoke outlet (202), the air inlet (201) and the smoke outlet (202) being located on opposite sides of the burner (20).
8. The heat exchange system of claim 7, further comprising:
the premixing cavity (30) is used for mixing air and fuel gas, and the premixing cavity (30) is communicated with the air inlet (201);
a blower (40) in communication with the premix chamber (30) for supplying air to the premix chamber (30).
9. A heat exchange system according to claim 1, wherein the burner (20) is a metal fiber burner.
10. A gas water heater comprising the heat exchange system of any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011110709.9A CN114440459A (en) | 2020-10-16 | 2020-10-16 | Heat exchange system and gas water heater |
| PCT/CN2021/103713 WO2022077957A1 (en) | 2020-10-16 | 2021-06-30 | Heat exchange system and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011110709.9A CN114440459A (en) | 2020-10-16 | 2020-10-16 | Heat exchange system and gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114440459A true CN114440459A (en) | 2022-05-06 |
Family
ID=81207660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011110709.9A Pending CN114440459A (en) | 2020-10-16 | 2020-10-16 | Heat exchange system and gas water heater |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114440459A (en) |
| WO (1) | WO2022077957A1 (en) |
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| CA1288297C (en) * | 1986-10-21 | 1991-09-03 | Gas Research Institute | Commercial storage water heater |
| US20050034446A1 (en) * | 2003-08-11 | 2005-02-17 | Fielder William Sheridan | Dual capture jet turbine and steam generator |
| CN103438563A (en) * | 2013-08-31 | 2013-12-11 | 苏州赛斯德工程设备有限公司 | Total encapsulation type gas water heater |
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| CN2255015Y (en) * | 1996-05-10 | 1997-05-28 | 刘福祥 | Energy-saving, safety and quick water heater |
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| CN211551592U (en) * | 2019-10-23 | 2020-09-22 | 中国科学院大连化学物理研究所 | Flameless burner or flameless burner group with heat exchange system |
-
2020
- 2020-10-16 CN CN202011110709.9A patent/CN114440459A/en active Pending
-
2021
- 2021-06-30 WO PCT/CN2021/103713 patent/WO2022077957A1/en active Application Filing
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|---|---|---|---|---|
| CA1288297C (en) * | 1986-10-21 | 1991-09-03 | Gas Research Institute | Commercial storage water heater |
| US20050034446A1 (en) * | 2003-08-11 | 2005-02-17 | Fielder William Sheridan | Dual capture jet turbine and steam generator |
| CN103438563A (en) * | 2013-08-31 | 2013-12-11 | 苏州赛斯德工程设备有限公司 | Total encapsulation type gas water heater |
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| CN104034025A (en) * | 2014-06-17 | 2014-09-10 | 浙江地中海新能源设备有限公司 | Biomass boiler |
| US20190024607A1 (en) * | 2016-01-18 | 2019-01-24 | Worgas Bruciatori S.R.L. | Burner-heat exchanger assembly for an external combustion engine |
| CN105841340A (en) * | 2016-05-13 | 2016-08-10 | 芜湖美的厨卫电器制造有限公司 | Gas water heater |
| CN109269118A (en) * | 2018-08-10 | 2019-01-25 | 芜湖鸣人热能设备有限公司 | A kind of gas fired-boiler |
| CN110748871A (en) * | 2019-10-21 | 2020-02-04 | 孝感市超前锅炉制造有限公司 | Water-saving rotary boiler |
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| WO2022077957A1 (en) | 2022-04-21 |
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