CN116465095A - Dual-purpose heat exchanger of fuel electricity and water heater - Google Patents
Dual-purpose heat exchanger of fuel electricity and water heater Download PDFInfo
- Publication number
- CN116465095A CN116465095A CN202211523173.2A CN202211523173A CN116465095A CN 116465095 A CN116465095 A CN 116465095A CN 202211523173 A CN202211523173 A CN 202211523173A CN 116465095 A CN116465095 A CN 116465095A
- Authority
- CN
- China
- Prior art keywords
- heat
- heat transfer
- heat exchanger
- heating
- heating element
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 239000000446 fuel Substances 0.000 title claims abstract description 14
- 230000005611 electricity Effects 0.000 title claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 56
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000005485 electric heating Methods 0.000 abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003546 flue gas Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 11
- 238000007710 freezing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes 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
- F24H15/00—Control of fluid heaters
- F24H15/10—Control of fluid heaters characterised by the purpose of the control
- F24H15/136—Defrosting or de-icing; Preventing freezing
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/355—Control of heat-generating means in heaters
- F24H15/36—Control of heat-generating means in heaters of burners
-
- 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
- F24H15/00—Control of fluid heaters
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/355—Control of heat-generating means in heaters
- F24H15/37—Control of heat-generating means in heaters of electric heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Abstract
The invention discloses a fuel and electricity dual-purpose heat exchanger which is characterized by comprising a heat exchange cavity, a coil pipe, a heating body assembly, a plurality of heat transfer pipes and a heat collection sheet assembly, wherein the heat exchange cavity, the coil pipe, the heating body assembly, the heat collection sheet assembly and the heat collection sheet assembly are arranged above a burner; the coil pipe is connected with the heat transfer pipe and is arranged outside the heat exchange cavity in a coiling mode; the heating element assembly mainly comprises a plurality of heating elements, and can be connected in parallel or in series according to the quantity of the heat transfer tubes; the heating element is positioned in the heat transfer tube, the diameter of the heating element is smaller than that of the heat transfer tube, and water flows around the heating element pass through the heating element to be contacted with the heating element to the maximum extent. The invention has small volume, small occupied space and convenient installation; can realize two functions of high-temperature flue gas heat exchange and electric heating.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a fuel-electricity dual-purpose heat exchanger and a water heater.
Background
The gas water heater heats water through exchanging heat between high-temperature flue gas and the heat exchanger, the heating mode is single, the power coverage range is limited, and especially when the water inlet temperature is higher in summer, the gas combustion can not meet the low-power requirement, so that the water outlet temperature is high, and the use is influenced. The existing scheme is that an instant electric heating module is connected in a waterway of a gas water heater, and an electric heating mode is used for heating in low power. Directly will increase the inner space in connecting electric heater to the water route, increase the assembly degree of difficulty to heating efficiency is lower etc.. The Chinese patent publication No. CN114353313A discloses a double-heat zero-water-cooling water heating system based on gas and electric heat, which consists of a gas water heater and a small electric water heater, and is characterized in that: the small electric water heater is hidden in the washing cabinet, the hot water output of the gas water heater is connected with the input end of the small electric water heater through a water pipe, the hot water output end of the small electric water heater is connected with a water tap on the surface of the washing cabinet, wherein the gas water heater adopts a common gas water heater, and the small electric water heater adopts an electric water heater with an automatic constant temperature heat preservation function. In the patent structure, the gas water heater is provided with a small electric water heater for auxiliary heating, but the gas water heater and the electric water heater are of a split structure, the overall installation layout is complex, the water cut-off temperature rise is higher, the volume of the water heater is increased, and the occupied space is large.
Disclosure of Invention
The invention aims to solve the defects of the prior art, provides a dual-purpose heat exchanger for fuel and electricity, can realize the dual-purpose function of fuel and electricity, reduce the volume of a fuel and electric water heater, realize the functions of freezing prevention and auxiliary heating, improve the utilization rate of parts and solve the problem of high water cut-off and temperature rise during electric heating.
The invention further aims to provide the fuel and electric dual-purpose water heater, which can realize the fuel and electric dual-purpose function, reduce the volume of the fuel and electric water heater, realize the functions of freezing prevention and auxiliary heating, improve the utilization rate of parts and solve the problem of high water cut-off and temperature rise during electric heating.
The invention adopts the following technical proposal to realize the aim: the heat-collecting plate assembly is arranged on the heat-exchanging cavity, and the heat-transferring pipes are fixed on the heat-collecting plate assembly and are connected together through welding; the coil pipe is connected with the heat transfer pipe and is arranged outside the heat exchange cavity in a coiling mode; the heating element assembly mainly comprises a plurality of heating elements, and can be connected in parallel or in series according to the quantity of the heat transfer tubes; the heating element is positioned in the heat transfer tube, the diameter of the heating element is smaller than that of the heat transfer tube, and water flows around the heating element pass through the heating element to be contacted with the heating element to the maximum extent.
As a further explanation of the scheme, the heat transfer tube is internally provided with a spring along the axial direction thereof, so as to disturb the flow of water and improve the heat exchange coefficient.
Further, insulating materials are filled in the heating element, and the outer surface of the heating element is wrapped by seamless metal, so that the effect of water-electricity grid isolation is achieved.
Further, the heating elements are horizontally arranged, are mutually parallel and are spaced.
Further, the heat collecting plate assembly comprises a plurality of rows of upper heat collecting plates and lower heat collecting plates, and the heat transfer tube is arranged between the upper heat collecting plates and the lower heat collecting plates; or alternatively, the process may be performed,
the heat collecting plate component comprises a plurality of annularly arranged heat collecting plates, and the heat transfer pipe penetrates through the middle positions of the heat collecting plates.
Further, the plurality of heat transfer pipes are connected with the water collecting box, and the cavity is arranged in the water collecting box, and the plurality of heat transfer pipes are communicated with the cavity, so that different heat transfer pipes can be connected into a whole.
Further, the end of the heating element is fixed on the surface of the water collecting box in a manner including but not limited to welding, threads and flanges.
Further, the water collecting box is provided with a temperature controller for detecting the temperature of the heat exchanger.
The water heater is characterized by comprising a combustor, a fan and a heat exchanger adopting the structure, wherein the heat exchanger is arranged above the combustor and is connected with an air outlet channel, and the fan is arranged in the air outlet channel.
The beneficial effects achieved by adopting the technical proposal of the invention are that.
The invention adopts the electric heating body added in the heat transfer pipe of the fin type heat exchanger, realizes the dual-purpose function of fuel and electricity, reduces the volume of the fuel electric water heater, can realize the functions of antifreezing and auxiliary heating, improves the utilization rate of parts and solves the problem of high water cut-off and temperature rise during electric heating.
Drawings
Fig. 1 is a schematic view of a water heater according to the present invention.
FIG. 2 is a schematic view of a burner according to the present invention.
FIG. 3 is a schematic view of a burner according to the present invention.
Reference numerals illustrate: 1. the heat exchanger comprises a combustor 2, a fan 3, a heat exchanger 3-1, a heat exchange cavity 3-2, a coil pipe 3-21, an arc transition bent pipe 3-3, a heating body component 3-4, a heat transfer pipe 3-5, a heat collecting plate component 3-51, an upper heat collecting plate 3-52, a lower heat collecting plate 3-6, a water collecting box 3-7, a spring 4, an air outlet channel 5 and a temperature controller.
Detailed Description
The following describes the specific embodiments of the present invention further, so that the technical scheme and the beneficial effects of the present invention are more clear and definite. The embodiments described below are exemplary and are intended to illustrate the present invention and should not be construed as limiting the invention.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout.
Example 1.
As shown in figures 1-3, the invention relates to a dual-purpose heat exchanger for fuel and electricity and a water heater, the water heater structurally comprises a burner 1, a fan 2 and a heat exchanger 3, the heat exchanger is connected with an air outlet channel 4, the fan is arranged in the air outlet channel, the heat exchanger is arranged above the burner, and the heat exchanger is connected with the air outlet channel.
The heat exchanger structurally comprises a heat exchange cavity 3-1, a coil pipe 3-2, a heating body component 3-3, a plurality of heat transfer pipes 3-4, a heat collection sheet component 3-5 and a water collection box 3-6 which are arranged above the burner, wherein the heat collection sheet component is arranged at the upper part of the heat exchange cavity, and the plurality of heat transfer pipes are fixed on the heat collection sheet component and are connected together through welding; generally, the heat transfer pipe is a straight pipe, and is horizontally arranged on the heat collecting plate component; but the heat transfer pipe can also be provided with a bent pipeline structure which is arranged in a bent way, so that the heat transfer area is increased, and the heating efficiency is improved. The heat collecting plate assembly 3-5 is opposite to the inlet of the air outlet channel, the heat collecting plate assembly comprises a plurality of rows of upper heat collecting plates 3-51 and lower heat collecting plates 3-52, the upper heat collecting plates and the lower heat collecting plates are mutually corresponding, and the heat transfer pipe is arranged between the upper heat collecting plates and the lower heat collecting plates. After flue gas generated by combustion of a burner below the heat exchange cavity passes through the heat exchanger, the heat collecting plate component can absorb heat of high-temperature flue gas to heat water in the heat transfer pipe. The heating element assembly 3-3 mainly comprises a plurality of heating elements, is arranged according to the number of the heat transfer tubes and can be connected in parallel or in series; the heat-generating body is located the heat transfer pipe inside, and its diameter is less than the heat transfer pipe, has rivers to pass through all around, maximize with heat-generating body contact, promote heat exchange efficiency, and its rivers all around can isolate high temperature flue gas again, avoid the heat-generating body high temperature. The end part of the heating element is fixed on the surface of the water collecting box, the fixing mode comprises, but is not limited to, welding, threads and flange forms, springs 3-7 are further arranged in the heat transfer tube, the springs are arranged along the axis of the heat transfer tube, the springs are generally sleeved outside the heat transfer tube, turbulent flow is carried out on water, and the heat exchange coefficient is improved. The inside of the heating body is filled with insulating substances, and the outer surface of the heating body is wrapped by seamless metal, so that the effect of water-electricity grid isolation is achieved. The water collecting box 3-6 is internally provided with a cavity, and a plurality of heat transfer pipes are communicated with the cavity, so that different heat transfer pipes can be connected into a whole.
The coil pipe is connected with the heat transfer pipe and arranged outside the heat exchange cavity in a coiling mode, the whole heat exchange cavity is square, the coil pipe is clung to the side part of the heat exchange cavity, and the bending part of the coil pipe is an arc transition bent pipe 3-21; in the embodiment, the number of the heat transfer tubes is four, the four heating bodies are horizontally arranged, and the heating bodies are parallel to each other and are spaced; the heating element is positioned in the heat transfer tube, the diameter of the heating element is smaller than that of the heat transfer tube, and water flows around the heating element pass through the heating element to be contacted with the heating element to the maximum extent.
The water collecting box is provided with a temperature controller 5 which is connected with a controller of the water heater and used for detecting the temperature of the heat exchanger, and the temperature controller can be arranged on the surface of the heat exchange cavity, but the temperature controller is widely applied to the water heater and belongs to conventional technical means, so that a specific operation structure is not repeated here. When the temperature controller detects that the temperature inside the heat exchanger is too low, an anti-freezing mode is started, water inside the heat transfer tube is heated, and the heat transfer tube is nearest to external cold air, so that the optimal anti-freezing effect can be achieved due to direct heating inside the heat transfer tube.
An operating mode.
(1) Heating mode: when the gas combustion power cannot meet the normal use, the electric heating mode can be started to meet the use requirement of a user, and the user can also actively start the electric heating mode to use.
(2) Anti-freezing mode: when the temperature controller detects that the temperature inside the heat exchanger is too low, an anti-freezing mode is started, water inside the heat transfer tube is heated, and the heat transfer tube is nearest to external cold air, so that the optimal anti-freezing effect can be achieved due to direct heating inside the heat transfer tube.
(3) Reducing the water cut-off temperature rise: when the user turns off water, the fan continuously works for a period of time to take away the heat of the heat transfer tube, so that the heat is prevented from accumulating in the heat transfer tube, and scalding is avoided after boiled water is caused again.
Example 2.
In this embodiment, the heat collecting plate assembly includes a plurality of annularly arranged heat collecting plates, and the heat transfer tube is disposed in a middle position of the heat collecting plates in a penetrating manner.
Compared with the prior art, the electric heater has the advantages that 1, the electric heater is small in size, does not occupy the internal space of the water heater, and is convenient to install;
2. the heat exchanger can realize two functions of high-temperature flue gas heat exchange and electric heating;
3. the electric heater can realize dual purposes of antifreezing and auxiliary heating, and improves the utilization rate of parts;
4. the electric heater has large heat exchange area and high heating efficiency;
5. solves the problem of water temperature rise when electric heating is stopped.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that changes, modifications, substitutions and variations may be made therein by those of ordinary skill in the art without departing from the scope of the invention, which is defined by the appended claims and their equivalents. The portions of the detailed description that are not presented are all prior art or common general knowledge.
Claims (10)
1. The heat exchanger is characterized by comprising a heat exchange cavity, a coil pipe, a heating body component, a plurality of heat transfer pipes and a heat collection plate component, wherein the heat exchange cavity, the coil pipe, the heating body component, the heat transfer pipes and the heat collection plate component are arranged above the burner;
the coil pipe is connected with the heat transfer pipe and is arranged outside the heat exchange cavity in a coiling mode;
the heating element assembly mainly comprises a plurality of heating elements, is arranged according to the number of the heat transfer tubes and is connected in parallel or in series; the heating body is positioned in the heat transfer tube, the diameter of the heating body is smaller than that of the heat transfer tube, and water flows around the heating body.
2. The heat exchanger of claim 1, wherein the heat transfer tube has a spring disposed therein, the spring being disposed axially along the heat transfer tube.
3. The dual-purpose heat exchanger of claim 1, wherein the spring is sleeved outside the heat generating body.
4. The heat exchanger for both combustion and electric use according to claim 1, wherein the inside of the heat generating body is filled with an insulating substance, and the outer surface is wrapped with a seamless metal.
5. The heat exchanger for both combustion and electric power according to claim 1, wherein the plurality of heat generating bodies are horizontally arranged, and the heat generating bodies are parallel to each other with a space left therebetween.
6. The dual-purpose heat exchanger of claim 1, wherein the heat collecting plate assembly comprises a plurality of rows of upper and lower heat collecting plates, and the heat transfer tube is disposed between the upper and lower heat collecting plates; or alternatively, the process may be performed,
the heat collecting plate component comprises a plurality of annularly arranged heat collecting plates, and the heat transfer pipe penetrates through the middle positions of the heat collecting plates.
7. The dual-purpose heat exchanger for fuel and electricity as claimed in claim 1, wherein a temperature controller is provided on the surface of the heat exchanging cavity for detecting the temperature of the heat exchanger.
8. The dual-purpose heat exchanger of fuel and electricity as set forth in claim 1, wherein the plurality of heat transfer tubes are connected with a water collecting box, a cavity is provided in the water collecting box, and the plurality of heat transfer tubes are communicated with the cavity, so that different heat transfer tubes can be connected into a whole.
9. The heat exchanger of claim 8, wherein the ends of the heating element are fixed to the surface of the water collecting box by welding, screw threads, or flanges.
10. A water heater corresponding to the fuel-electricity dual-purpose heat exchanger as claimed in any one of claims 1 to 9, which comprises a burner, a fan and a heat exchanger adopting the structure, wherein the heat exchanger is arranged above the burner, the heat exchanger is connected with an air outlet channel, and the fan is arranged in the air outlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211523173.2A CN116465095A (en) | 2022-11-30 | 2022-11-30 | Dual-purpose heat exchanger of fuel electricity and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211523173.2A CN116465095A (en) | 2022-11-30 | 2022-11-30 | Dual-purpose heat exchanger of fuel electricity and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116465095A true CN116465095A (en) | 2023-07-21 |
Family
ID=87174126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211523173.2A Pending CN116465095A (en) | 2022-11-30 | 2022-11-30 | Dual-purpose heat exchanger of fuel electricity and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116465095A (en) |
-
2022
- 2022-11-30 CN CN202211523173.2A patent/CN116465095A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100451526C (en) | Heat exchanger for common use for boiler and hot water supply | |
| JP2009519431A (en) | Condenser boiler heat exchanger for heating and hot water supply | |
| CN101839547B (en) | Heat pump water heater | |
| CN202747865U (en) | High efficiency heat exchanger for water dispenser | |
| US20200386482A1 (en) | Heat exchange cell and method | |
| CN220397863U (en) | Dual-purpose heat exchanger of fuel electricity and water heater | |
| EP2504632A2 (en) | Double tubing condensation exchanger for heating water and/or for producing sanitary hot water | |
| CN101881510A (en) | Heat pump type hot water tank | |
| CN116465095A (en) | Dual-purpose heat exchanger of fuel electricity and water heater | |
| CN205690683U (en) | Bushing type combustion gas condensing heat exchanger and condenser | |
| CN205090407U (en) | Coiled heat exchange device | |
| CN212390627U (en) | Heat exchange box of gas equipment and gas equipment | |
| CN102620436A (en) | Auxiliary heating type solar water heater | |
| CN102278818B (en) | Condensation heat exchanger of gas water heater | |
| CN209431668U (en) | ELECTROMAGNETIC VACUUM phase change boiler unit | |
| KR100391258B1 (en) | The gas boiler's heat exchanger which has a type of condensing latent heat | |
| CN208443047U (en) | Low nitrogen condenses stainless steel hot homogeneous solution-type reactor | |
| CN201335535Y (en) | Heat-exchanging device of capacity-type condensing gas furnace | |
| CN213421462U (en) | Heat exchange structure for water heating equipment | |
| CN205448762U (en) | Water storage formula stainless steel heat exchanger | |
| CN212566306U (en) | Plate type combined condensation hot water unit | |
| CN110513880A (en) | A kind of full premixed condensed heat exchanger of inversion type burning | |
| CN216770239U (en) | Finned tube type condensation heat exchanger for wall-mounted furnace | |
| CN218781676U (en) | Polytetrafluoroethylene condensation heat exchanger | |
| CN201836869U (en) | Multi-path convection section of steam injection boiler in oil field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |