CN109631314B - Latent heat recovery type water heater - Google Patents
Latent heat recovery type water heater Download PDFInfo
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- CN109631314B CN109631314B CN201811206649.3A CN201811206649A CN109631314B CN 109631314 B CN109631314 B CN 109631314B CN 201811206649 A CN201811206649 A CN 201811206649A CN 109631314 B CN109631314 B CN 109631314B
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- heat exchanger
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- heat
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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
- 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
- F24H1/12—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 in which the water is kept separate from the heating medium
- F24H1/14—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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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
- 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
- F24H1/12—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 in which the water is kept separate from the heating medium
- F24H1/14—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/16—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form helically or spirally coiled
- F24H1/165—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form helically or spirally coiled using fluid fuel
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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
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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
- F24H9/14—Arrangements for connecting different sections, e.g. in water heaters
- F24H9/146—Connecting elements of a heat exchanger
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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
- F24H9/18—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
-
- 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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The invention discloses a latent heat recovery type water heater, which comprises a water heater shell, wherein a microcomputer main controller is embedded and installed on one side of the water heater shell, a smoke exhaust pipe is installed at the top of the water heater shell, a second heat exchanger is embedded and installed on one side of the water heater shell close to the smoke exhaust pipe, a water outlet of the second heat exchanger is arranged on one side of the second heat exchanger, a choke plate is installed at the top of the second heat exchanger, and a combustion chamber is arranged at the bottom of the second heat exchanger. Causing the problem of low maintenance efficiency.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a latent heat recovery type water heater.
Background
Latent heat is the amount of latent heat that a substance undergoes a phase change (change in state of the substance), absorbs or gives off heat when the temperature does not change, absorbs latent heat when the substance changes from low energy to high energy, and gives off latent heat when the substance changes from low energy to high energy, for example, a portion of the latent heat absorbed when a liquid boils is used to overcome intermolecular attraction, and another portion is used to work against atmospheric pressure during expansion, and the heat of fusion, heat of vaporization, and heat of sublimation are latent heat, the amount of latent heat being expressed per unit mass of the substance or per mole of the substance absorbed or given off heat during the phase change.
In the working process of the water heater, the existing water heater does not have a good latent heat recovery function, waste gas with a large amount of latent heat still existing in the combustion heating process is discharged to the atmosphere, and the problems of environmental pollution and low energy utilization rate are caused.
Disclosure of Invention
The invention aims to provide a latent heat recovery type water heater, which solves the problems that the existing water heater proposed in the background technology does not have a good latent heat recovery function, a large amount of latent heat in the combustion heating process is still existed, and waste gas is discharged to the atmosphere, so that the environmental pollution and the energy utilization rate are low, and meanwhile, the existing water heater has a relatively compact connecting structure, is generally of an integrated structure, is inconvenient to assemble and disassemble, and causes low maintenance efficiency.
In order to solve the technical problems, the invention provides the following technical scheme: a latent heat recovery type water heater comprises a water heater shell, wherein a microcomputer main controller is embedded and installed on one side of the water heater shell, a smoke exhaust pipe is installed at the top of the water heater shell, a second heat exchanger is embedded and installed on one side, close to the smoke exhaust pipe, of the water heater shell, a water outlet of the second heat exchanger is formed in one side of the second heat exchanger, a choke plate is installed at the top of the second heat exchanger, a combustion chamber is formed in the bottom of the second heat exchanger, a first heat exchanger is fixedly installed at the center of the interior of the combustion chamber, one end of the first heat exchanger is communicated with a hot water outlet, the other end of the first heat exchanger is communicated with a water inlet, a three-way valve is arranged above the water inlet and is communicated with the second heat exchanger and the first heat exchanger through a guide, one side of the bottom of the combustor is communicated with a gas inlet, the other side of the bottom of the combustor is communicated with an air inlet, and a fan is arranged above the air inlet.
Preferably, the bottom of the second heat exchanger is provided with a heat insulation plate, the middle of the heat insulation plate is provided with an air inlet disc, and the air inlet disc is connected with the combustion chamber in a sliding mode.
Preferably, the bottom of the smoke exhaust pipe is provided with a filtering inner core, the top of the choke plate is provided with a return air cavity, and the filtering inner core is embedded in the return air cavity.
Preferably, the water inlet is communicated with a conduit at the top of the three-way valve, the conduit extends to the inside of the second heat exchanger, and the conduit is communicated with the water inlet of the second heat exchanger.
Preferably, a plurality of flame spray heads are arranged inside the burner.
Preferably, one side of the water inlet, the air inlet, the fuel gas inlet and the hot water outlet is provided with an installation threaded sleeve, and a sealing gasket is arranged inside the installation threaded sleeve.
Preferably, four corners of the water heater shell are provided with anti-collision foot pads.
Preferably, a protective cover is installed on one side of the second heat exchanger, and an access hole is formed in the other side of the second heat exchanger.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adjusts the water supply direction through the three-way valve, the water inlet is communicated with the conduit on the top of the three-way valve, the conduit extends to the inside of the second heat exchanger, and the conduit is communicated with the water inlet of the second heat exchanger, the water inlet dredges the water body to the second heat exchanger through the conduit, which is convenient for preparing for the subsequent latent heat absorption, the three-way valve is communicated with the second heat exchanger and the first heat exchanger through the conduit, which flexibly controls the water supply condition, the combustion chamber provides the safe combustion environment when the burner burns, the burner supplies fuel through the gas inlet, the air inlet supplies combustion wind power through the fan, which keeps the combustion stability, the first heat exchanger discharges hot water for standby through the hot water outlet after absorbing the sensible heat of the burner, the latent heat after burning is increased to the second heat exchanger, the safe latent heat absorption, the energy utilization efficiency is improved, the general formula structure as an organic whole, the dismouting is comparatively inconvenient, causes the problem that maintenance efficiency is low.
2. By arranging the choke plate, the bottom of the second heat exchanger is provided with the heat insulation plate for heat insulation treatment, the middle part of the heat insulation plate is provided with the air inlet disc, waste gas with high heat rises, the air inlet disc and the second heat exchanger perform heat exchange work, the air inlet disc is in sliding connection with the combustion chamber, the connection is stable, the sliding is flexible, the disassembly and the assembly are convenient, the second heat exchanger outputs water with heat exchange and temperature rise through the water outlet of the second heat exchanger for standby, the rising waste gas is blocked by the choke plate, the smoke retention time is greatly prolonged, the heat exchange time is prolonged, the latent heat recovery efficiency is better improved, the top of the choke plate is provided with the air return cavity, the choke plate performs smoke caching through the air return cavity, finally, the smoke is filtered by the filtering inner core and then is discharged to the smoke exhaust pipe, the purification treatment is convenient, and the problem, in the combustion heating process, a large amount of latent heat waste gas is still discharged to the atmosphere, so that the problems of environmental pollution and low energy utilization rate are caused.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure according to an embodiment of the present invention.
In the figure: 1. a water heater housing; 2. a microcomputer main controller; 3. a smoke exhaust pipe; 4. a second heat exchanger water outlet; 5. a second heat exchanger; 6. a water inlet; 7. an air inlet; 8. a fan; 9. a gas inlet; 10. a hot water outlet; 11. a burner; 12. a first heat exchanger; 13. a combustion chamber; 14. a choke plate; 15. and a three-way valve.
Detailed Description
The embodiment of the invention provides a latent heat recovery type water heater, which aims to solve the problems that an existing water heater does not have a good latent heat recovery function, a large amount of latent heat of waste gas is still discharged to the atmosphere in the combustion heating process, so that the environmental pollution and the energy utilization rate are low, and meanwhile, the existing water heater is relatively compact in connection structure, generally adopts an integrated structure, is inconvenient to assemble and disassemble and causes low maintenance efficiency. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the embodiment provides a latent heat recovery type water heater, which includes a water heater housing 1, a microcomputer main controller 2 is embedded in one side of the water heater housing 1, a smoke exhaust pipe 3 is installed on the top of the water heater housing 1, a second heat exchanger 5 is embedded in one side of the water heater housing 1 close to the smoke exhaust pipe 3, a second heat exchanger water outlet 4 is arranged on one side of the second heat exchanger 5, a choke plate 14 is installed on the top of the second heat exchanger 5, a filtering inner core is arranged at the bottom of the smoke exhaust pipe 3, a wind return cavity is arranged at the top of the choke plate 14, the filtering inner core is embedded in the wind return cavity, a combustion chamber 13 is arranged at the bottom of the second heat exchanger 5, a heat insulation plate is installed at the bottom of the second heat exchanger 5, an air inlet disc is arranged in the middle of the heat insulation plate, the air inlet disc, one end of the first heat exchanger 12 is communicated with a hot water outlet 10, the other end of the first heat exchanger 12 is communicated with a water inlet 6, a three-way valve 15 is arranged above the water inlet 6, the water inlet 6 is communicated with a conduit at the top of the three-way valve 15, the conduit extends into the second heat exchanger 5 and is communicated with the water inlet of the second heat exchanger 5, the three-way valve 15 is communicated with the second heat exchanger 5 and the first heat exchanger 12 through the conduit, a combustor 11 is arranged at the bottom of the combustion chamber 13, one side of the bottom of the combustor 11 is communicated with a gas inlet 9, the other side of the bottom of the combustor 11 is communicated with an air inlet 7, and a fan 8 is arranged.
In this embodiment, the water heater case 1 provides a good installation environment for the microcomputer main controller 2, the microcomputer main controller 2 electrically controls the second heat exchanger 5, the blower 8, the burner 11, the first heat exchanger 12 and the three-way valve 15, when the heating operation is started, the first heat exchanger 12 is supplied with cold water from the water inlet 6, the type of the three-way valve 15 is preferably T24, the water inlet 6 adjusts the water supply direction through the three-way valve 15, the water inlet 6 is communicated with the conduit at the top of the three-way valve 15, the conduit extends into the second heat exchanger 5 and is communicated with the water inlet of the second heat exchanger 5, the water inlet 6 conducts water to the second heat exchanger 5 through the conduit to prepare for the subsequent latent heat absorption, the type of the second heat exchanger 5 and the first heat exchanger 12 is preferably SL, the three-way valve 15 is communicated with the second heat exchanger 5 and the first heat exchanger 12 through, the water supply condition is flexibly controlled, the model of the optimized combustor 11 is LT-RSQ, the combustion chamber 13 provides a safe combustion environment when the combustor 11 burns, the combustor 11 supplies fuel through the gas inlet 9, the model of the optimized fan 8 is FB-1, the air inlet 7 supplies combustion wind power through the fan 8, the combustion stability is kept, after the sensible heat of the combustor 11 is absorbed by the first heat exchanger 12, hot water is discharged for standby through the hot water outlet 10, the latent heat after combustion rises to the second heat exchanger 5, safe latent heat absorption is realized, the energy utilization efficiency is improved, the problems that the existing water heater is relatively compact in connection structure, generally in an integrated structure, disassembly and assembly are inconvenient, and the maintenance efficiency is low are solved, the bottom of the second heat exchanger 5 is provided with a heat insulation plate for heat insulation treatment, the middle part of the heat insulation plate is provided with an air inlet disc, and high-heat waste gas rises, carry out heat transfer work through admitting air dish and second heat exchanger 5, admit air dish and combustion chamber 13 sliding connection, it is stable to connect, it is nimble to slide, the dismouting is convenient, second heat exchanger 5 exports the water that the heat transfer heaies up for use via second heat exchanger delivery port 4, the effect of blockking of rising waste gas through choke plate 14, the time that the flue gas is detained has been prolonged greatly, it is long when having improved the heat transfer, better improvement latent heat recovery efficiency, the top of choke plate 14 is provided with the return air chamber, choke plate 14 carries out the flue gas buffering through the return air chamber, final flue gas discharges to discharge fume pipe 3 after filtering the inner core, be convenient for carry out purification treatment, the function that current water heater does not have good latent heat to retrieve has been solved, the waste gas that still has a large amount of latent heat among the combustion heating's process is discharged, discharge to the atmosphere, environmental pollution and the lower problem.
Example 2
Referring to fig. 1-2, a further improvement is made on the basis of embodiment 1: the inside of combustor 11 is provided with a plurality of flame throwers, has accelerated combustion efficiency, promotes the hot water instant service performance of water heater simultaneously, and one side of water inlet 6, air inlet 7, gas entry 9 and hot water outlet 10 all is provided with the installation swivel nut, and threaded connection connects stably, and it is convenient to install, and the inside of installation swivel nut is provided with seal ring, and sealed protection has guaranteed that each material dredges the stability of process, avoids revealing the phenomenon emergence.
Wherein, crashproof callus on the sole is installed in water heater shell 1's four corners, four corners anticollision protection, when outside four corners suffered to the striking, alright improve its buffer memory performance, prevent that the phenomenon that the internal element takes place to damage from taking place, the protection casing is installed to one side of second heat exchanger 5, carries out the externally mounted protection, and the access hole has been seted up to second heat exchanger 5's opposite side, when needs are changed and are overhauld, only need open the access hole alright carry out convenient dismantlement, the dismouting is nimble.
In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a latent heat recovery type water heater which characterized in that: the water heater comprises a water heater shell (1), a microcomputer main controller (2) is embedded and installed on one side of the water heater shell (1), a smoke exhaust pipe (3) is installed on the top of the water heater shell (1), a second heat exchanger (5) is embedded and installed on one side, close to the smoke exhaust pipe (3), of the water heater shell (1), a second heat exchanger water outlet (4) is formed in one side of the second heat exchanger (5), a choke plate (14) is installed on the top of the second heat exchanger (5), a combustion chamber (13) is formed in the bottom of the second heat exchanger (5), a first heat exchanger (12) is fixedly installed in the inner center of the combustion chamber (13), one end of the first heat exchanger (12) is communicated with a hot water outlet (10), the other end of the first heat exchanger (12) is communicated with a water inlet (6), and a three-way valve (15) is arranged, the three-way valve (15) is communicated with the second heat exchanger (5) and the first heat exchanger (12) through a guide pipe, a combustor (11) is arranged at the bottom of the combustion chamber (13), a fuel gas inlet (9) is communicated with one side of the bottom of the combustor (11), an air inlet (7) is communicated with the other side of the bottom of the combustor (11), and a fan (8) is arranged above the air inlet (7);
the bottom of the second heat exchanger (5) is provided with a heat insulation plate, the middle of the heat insulation plate is provided with an air inlet disc, and the air inlet disc is connected with a combustion chamber (13) in a sliding manner;
the bottom of the smoke exhaust pipe (3) is provided with a filtering inner core, the top of the choke plate (14) is provided with a return air cavity, and the filtering inner core is embedded in the return air cavity;
the water inlet (6) is communicated with a conduit at the top of the three-way valve (15), the conduit extends to the inside of the second heat exchanger (5), and the conduit is communicated with the water inlet of the second heat exchanger (5);
and a protective cover is arranged on one side of the second heat exchanger (5), and an access hole is formed in the other side of the second heat exchanger (5).
2. The latent heat recovery type water heater according to claim 1, wherein: the combustor (11) is internally provided with a plurality of flame spray heads.
3. The latent heat recovery type water heater according to claim 1, wherein: and one sides of the water inlet (6), the air inlet (7), the fuel gas inlet (9) and the hot water outlet (10) are respectively provided with an installation threaded sleeve, and a sealing gasket is arranged inside the installation threaded sleeve.
4. The latent heat recovery type water heater according to claim 1, wherein: four corners of the water heater shell (1) are provided with anti-collision foot pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206649.3A CN109631314B (en) | 2018-10-17 | 2018-10-17 | Latent heat recovery type water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206649.3A CN109631314B (en) | 2018-10-17 | 2018-10-17 | Latent heat recovery type water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109631314A CN109631314A (en) | 2019-04-16 |
| CN109631314B true CN109631314B (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811206649.3A Active CN109631314B (en) | 2018-10-17 | 2018-10-17 | Latent heat recovery type water heater |
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| CN (1) | CN109631314B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017775A (en) * | 2021-10-29 | 2022-02-08 | 广东万和新电气股份有限公司 | Gas heat exchange device and combustion chamber |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2628938Y (en) * | 2003-05-08 | 2004-07-28 | 中山华帝燃具股份有限公司 | Energy-saving envionment protecting gas combustion fast water heater |
| CN2821470Y (en) * | 2005-09-06 | 2006-09-27 | 宁波方太厨具有限公司 | Gas water heater of double heat exchanger |
| US7278379B2 (en) * | 2005-11-14 | 2007-10-09 | Pvi Industries, Llc | Heat exchange system |
| CN201436504U (en) * | 2009-04-21 | 2010-04-07 | 广东万家乐燃气具有限公司 | A smoke removal device of a gas heater |
| CN206583072U (en) * | 2017-02-25 | 2017-10-24 | 广东万家乐燃气具有限公司 | It is a kind of to reduce cold water cut-off temperature-rising and reduce the gas heater that condensed water is produced |
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2018
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