CN111306780A - Wall-mounted furnace - Google Patents
Wall-mounted furnace Download PDFInfo
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- CN111306780A CN111306780A CN201911256380.4A CN201911256380A CN111306780A CN 111306780 A CN111306780 A CN 111306780A CN 201911256380 A CN201911256380 A CN 201911256380A CN 111306780 A CN111306780 A CN 111306780A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 398
- 238000010438 heat treatment Methods 0.000 claims abstract description 78
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 8
- 239000008236 heating water Substances 0.000 claims description 94
- 238000004891 communication Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 11
- 230000001502 supplementing effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
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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
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/139—Continuous flow 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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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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
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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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- 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)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention provides a wall-hanging stove, comprising: a heating device; the domestic water system is provided with a domestic water inlet and a domestic water outlet, a domestic water heated section heated by the first heat exchanger, a first domestic water branch section positioned between the domestic water inlet and the domestic water heated section, and a second domestic water branch section positioned between the domestic water outlet and the domestic water heated section, wherein the first domestic water branch section is provided with a first circulating water pump; the heat exchange water pipeline is provided with a first heater, and the first heater comprises a heat exchange water heating section which is arranged in the first heat exchanger and exchanges heat with the heated section of the domestic water, a first heat exchange water branch section which is communicated with the first domestic water branch section and is positioned at the upstream of the first heater, a second heat exchange water branch section which is positioned at the downstream of the first heater and is positioned at the upstream of the heat exchange water heating section, and a heat exchange water return connecting section which is communicated with the heat exchange water heating section and the first heat exchange water branch section; and two ends of the return pipeline are respectively communicated with the first domestic water branch section and the second domestic water branch section, and a return valve is arranged on the return pipeline.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a wall-mounted furnace.
Background
The hanging stove is dual-purpose stove, has heating and life hot water function, but what present hanging stove mostly adopted is the priority principle of life hot water, when using the hot water function promptly, need stop the heating function, can't carry out the heating. When people need heating and hot water supply at the same time, especially if the domestic hot water is used for a long time in cold winter, the water temperature in the heating pipeline is reduced, so that the use experience of users is reduced, and unnecessary energy consumption is caused.
In addition, when using domestic hot water, along with the increase of user's pipeline length, the user needs to wait for a long time before using hot water, waits to empty behind the cold water in the pipeline, and hot water can go out, influences user experience.
Disclosure of Invention
Therefore, the invention aims to overcome the defect that cold water needs to be discharged first when the wall-hanging stove in the prior art uses hot water, and provide a wall-hanging stove capable of realizing zero cold water.
In order to solve the above technical problem, the present invention provides a wall-hanging stove, including:
a heating device including a first heater;
a first heat exchanger;
the domestic water system is provided with a domestic water inlet and a domestic water outlet, and comprises a domestic water heated section heated by the first heat exchanger, a first domestic water branch section positioned between the domestic water inlet and the domestic water heated section, and a second domestic water branch section positioned between the domestic water outlet and the domestic water heated section, wherein a first circulating water pump is arranged on the first domestic water branch section;
the heat exchange water pipeline exchanges heat with the heated section of the domestic water, the first heater is arranged on the heat exchange water pipeline, and the heat exchange water pipeline comprises a heat exchange water heating section which is arranged in the first heat exchanger and exchanges heat with the heated section of the domestic water, a first heat exchange water branch section which is communicated with the first domestic water branch section and is positioned at the upstream of the first heater, a second heat exchange water branch section which is positioned at the downstream of the first heater and is positioned at the upstream of the heat exchange water heating section, and a heat exchange water return connecting section which is communicated with the heat exchange water heating section and the first heat exchange water branch section;
and the two ends of the return pipeline are respectively communicated with the first domestic water branch section and the second domestic water branch section, a return valve is arranged on the return pipeline, and the return valve has a function of making water in the second domestic water branch section flow back to the opening position of the first domestic water branch section.
The first end of the auxiliary heat supply pipeline is connected with the second heat exchange water branch section through a first valve, and the other end of the auxiliary heat supply pipeline is communicated with the second domestic water branch section.
The heating device further includes a second heater, and the wall-hanging stove further includes:
the heating system is provided with a heating water return port, a heating water outlet, a heating water heated section heated by the second heater, a first heating water branch section positioned between the heating water return port and the heating water heated section, and a second heating water branch section positioned between the heating water outlet and the heating water heated section.
Still include supplementary connecting line, supplementary connecting line includes:
a first auxiliary connecting branch section, a first end of which is connected to the second heating water branch section through a second valve, a second end of which is connected to the heat exchange water heating section, the second heat exchange water branch section, and the auxiliary heat supply pipeline through the first valve, the second valve having a first position at which the heated section of the heating water is communicated with the first auxiliary connecting branch section and disconnected from the heating water outlet, a second position at which the heated section of the heating water is disconnected from the first auxiliary connecting branch section and communicated with the heating water outlet, the first valve having a third position at which the second heat exchange water branch section is communicated with the domestic water outlet, a fourth position at which the heat exchange water heating section is communicated with the first auxiliary connecting branch section, and a fifth position at which the heat exchange water heating section is communicated with the second heat exchange water branch section;
and the third valve is provided with a sixth position which enables the heat exchange water heating section to be disconnected from the heat exchange water return connecting section and to be communicated with the first heating water branch section, and a seventh position which enables the heat exchange water heating section to be communicated with the heat exchange water return connecting section and to be disconnected from the first heating water branch section.
And a fourth valve for controlling the on-off of the first heat exchange water branch section is arranged at the downstream position of the heat exchange water return connection section on the first heat exchange water branch section.
The first heating water branch section is connected with the first living water branch section through a water supplementing pipeline, and a fifth valve for controlling the on-off of the water supplementing pipeline is arranged on the water supplementing pipeline.
The domestic water temperature control device is characterized by further comprising a controller, wherein a first temperature sensor is arranged on the second domestic water branch section, and the first temperature sensor is electrically connected with the controller.
And a water outlet flow sensor is also arranged on the second domestic water branch section and is electrically connected with the controller.
The second valve and the third valve are both three-way reversing valves, and the first valve is a four-way valve.
The first heater is an electric heater, and the second heater is a burner communicated with a gas pipeline.
The heating water heating device is characterized by further comprising a second heat exchanger arranged above the combustor, and the heating water is arranged in the second heat exchanger in a penetrating mode through the heating section.
The technical scheme of the invention has the following advantages:
1. the wall-mounted furnace provided by the invention has the advantages that when the water temperature in the second domestic water branch section is lower, the first circulating water pump is started, the first heater is started, the water return valve is opened, part of water in the first domestic water branch section enters the domestic water heated section, part of water enters the first heat exchange water branch section, the water is heated by the second heater and then enters the heat exchange water heating section in the first heat exchanger through the second heat exchange water branch section to exchange heat with the domestic water heated section, cold water after heat exchange enters the first heat exchange water branch section again, the domestic water heated by the first heat exchanger enters the second domestic water branch section and returns to the first domestic water branch section through the return pipeline, the water temperature of the water in the second domestic water branch section can be kept through continuous circulation, loss in the heat exchange water pipeline can be supplemented at any time due to the communication between the first domestic water branch section and the first heat exchange water branch section, and the domestic water inlet is not required to be connected with the domestic water inlet through the pipeline again, the structure is simple.
2. The wall-mounted boiler further comprises an auxiliary heat supply pipeline, wherein the first end of the auxiliary heat supply pipeline is connected with the second heat exchange water branch section through a first valve, the other end of the auxiliary heat supply pipeline is communicated with the second domestic water branch section, when the temperature of domestic hot water needed in winter is high, the hot water in the heat exchange water pipeline directly flows to the domestic water outlet through the first valve, and the domestic hot water with high temperature can be provided.
3. The invention provides a wall-hanging stove, wherein the heating device further comprises a second heater, and the wall-hanging stove further comprises: the heating system is provided with a heating water return port, a heating water outlet, a heating water heated section heated by the second heater, a first heating water branch section positioned between the heating water return port and the heating water heated section, and a second heating water branch section positioned between the heating water outlet and the heating water heated section, and can realize the mode of heating and domestic hot water simultaneously.
4. The invention provides a wall-mounted furnace, which further comprises an auxiliary connecting pipeline, wherein the auxiliary connecting pipeline comprises: a first auxiliary connecting branch section, a first end of which is connected to the second heating water branch section through a second valve, a second end of which is connected to the heat exchange water heating section, the second heat exchange water branch section, and the auxiliary heat supply pipeline through the first valve, the second valve having a first position at which the heated section of the heating water is communicated with the first auxiliary connecting branch section and disconnected from the heating water outlet, a second position at which the heated section of the heating water is disconnected from the first auxiliary connecting branch section and communicated with the heating water outlet, the first valve having a third position at which the second heat exchange water branch section is communicated with the domestic water outlet, a fourth position at which the heat exchange water heating section is communicated with the first auxiliary connecting branch section, and a fifth position at which the heat exchange water heating section is communicated with the second heat exchange water branch section; and the second auxiliary connecting branch section has a first end connected with the heat exchange water return connecting section and the heat exchange water heating section through a third valve, a second end communicated with the first heating water branch section, the third valve has a sixth position for disconnecting the heat exchange water heating section from the heat exchange water return connecting section and from the first heating water branch section, and a seventh position for connecting the heat exchange water heating section with the heat exchange water return connecting section and from the first heating water branch section.
5. According to the wall-mounted furnace provided by the invention, the fourth valve for controlling the on-off of the first heat exchange water branch section is arranged at the downstream position of the heat exchange water return connection section on the first heat exchange water branch section, and when water in a heating system is used for heat exchange for domestic water, the fourth valve is closed, so that cold water can be prevented from entering a heat exchange water pipeline to cause water resource waste.
6. According to the wall-mounted furnace provided by the invention, the first heating water branch section is connected with the first living water branch section through the water supplementing pipeline, and the water supplementing pipeline is provided with the fifth valve for controlling the on-off of the water supplementing pipeline, so that water can be supplemented for a heating system, and the low heating efficiency caused by the loss of water in the circulation process is avoided.
7. The wall-mounted furnace provided by the invention further comprises a controller, wherein the second domestic water branch section is provided with a first temperature sensor, the first temperature sensor is electrically connected with the controller, and the first temperature sensor can monitor the temperature in the second domestic water branch section at any time, so that zero cold water can be realized.
8. According to the wall-mounted furnace provided by the invention, the second domestic water branch section is also provided with the water outlet flow sensor, and the water outlet flow sensor is electrically connected with the controller and can detect the water flow.
9. According to the wall-mounted furnace provided by the invention, the second valve and the third valve are both three-way reversing valves, and the first valve is a four-way valve, so that the wall-mounted furnace is simple in structure and convenient to install and control.
10. According to the wall-mounted furnace provided by the invention, the first heater is an electric heater, the second heater is a burner communicated with a gas pipeline, and when the electric heater is inconvenient to use to provide domestic hot water in a power consumption peak, the second valve can be switched to the first position, the first valve can be switched to the fourth position, and the third valve can be switched to the sixth position, so that the hot water in a heating system can exchange heat with the domestic water to heat the domestic water.
11. The wall-mounted furnace provided by the invention further comprises a second heat exchanger arranged above the burner, and the heated section of the heating water is arranged in the second heat exchanger in a penetrating manner, so that the phenomenon that the second heater directly heats the heated section of the heating water to cause overhigh temperature and damage to a pipeline can be avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a wall-hanging stove according to an embodiment of the present invention;
description of reference numerals:
1-fire detecting needle; 2-an ignition needle; 3-a first heat exchanger; 4-an electric heater; 5-a gas proportional valve; 6-a domestic water inlet; 7-a gas inlet; 8-a heating water outlet; 9-wind pressure switch; 10-a fan; 11-a second heat exchanger; 12-a temperature limiter; 131-a first temperature sensor; 132-a second temperature sensor; 133-a third temperature sensor; 14-an expansion tank; 15-a burner; 161-a first circulating water pump; 162-a second circulating water pump; 17-a water pressure sensor; 18-a water outlet flow sensor; 19-a heating water return port; 20-a domestic water outlet; 211-a fourth valve; 212-a fifth valve; 221-a first valve; 222-a second valve; 223-a third valve; 23-a water mixing valve; 24-a one-way valve; 25-a water return valve; 101-a first living water branch section; 102-a domestic water heated section; 103-a second domestic water branch section; 104-a return line; 105-a water mixing pipeline; 106-water supplement pipeline; 201-a first heat exchange water branch section; 202-heat exchange water heating section; 203-a second heat exchange water branch section; 204-heat exchange water return connection section; 301-a first heating water branch section; 302-heating water heated section; 303-a second heating water branch section; 401-a first auxiliary connecting branch section; 402-second auxiliary connecting branch section.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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 device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides a specific implementation manner of a wall-mounted boiler, as shown in fig. 1, which includes a heating device, a first heat exchanger 3, a second heat exchanger 11, a domestic water system, a heat exchange water pipeline, a return pipeline 104, an auxiliary heat supply pipeline, an auxiliary connection pipeline, and a controller.
Wherein, heating device includes first heater, second heater, and first heater is electric heater 4, and the second heater is the combustor 15 with gas pipeline intercommunication, is equipped with gas proportional valve 5 on the gas pipeline to accurate control combustion power is equipped with ignition needle 2 and examine fire needle 1 on the first combustor 15. Fan 10 locates the top of second heat exchanger 11 for provide the required air of burning and get rid of the flue gas after the burning, heat exchanger, fan 10 are located in the casing, be equipped with the blow vent on the casing, be close to on the casing the department of blow vent is equipped with wind pressure switch 9, and wind pressure switch 9 is connected with the controller electricity.
The domestic water system is provided with a domestic water inlet 6 and a domestic water outlet 20, and comprises a domestic water heated section 102 heated by the first heat exchanger 3, a first domestic water branch section 101 positioned between the domestic water inlet 6 and the domestic water heated section 102, and a second domestic water branch section 103 positioned between the domestic water outlet 20 and the domestic water heated section 102, wherein a first circulating water pump 161 is arranged on the first domestic water branch section 101; the second domestic water branch section 103 is provided with a first temperature sensor 131 and a water outlet flow sensor 18, the first temperature sensor 131 and the water outlet flow sensor 18 are electrically connected with the controller, and the first domestic water branch section 101 is further provided with a third temperature sensor 133 for detecting the water inlet temperature.
The heat exchange water pipeline exchanges heat with the living water heated section 102, the first heater is arranged on the heat exchange water pipeline, and the heat exchange water pipeline comprises a heat exchange water heating section 202 which is arranged in the first heat exchanger 3 and exchanges heat with the living water heated section 102, a first heat exchange water branch section 201 which is communicated with the first living water branch section 101 and is positioned at the upstream of the first heater, a second heat exchange water branch section 203 which is positioned at the downstream of the first heater and is positioned at the upstream of the heat exchange water heating section 202, and a heat exchange water return connecting section 204 which is communicated with the heat exchange water heating section 202 and the first heat exchange water branch section 201.
And a first end of the auxiliary heat supply pipeline is connected with the second heat exchange water branch section 203 through a first valve 221, and the other end of the auxiliary heat supply pipeline is communicated with the second domestic water branch section 103.
The heating system is provided with a heating water return port 19, a heating water outlet 8, a heated section 302 of heating water heated by the second heater, a first heating water branch section 301 between the heating water return port 19 and the heated section 302 of heating water, and a second heating water branch section 303 between the heating water outlet 8 and the heated section 302 of heating water, wherein the second heat exchanger 11 is arranged above the burner 15, and the heating water is arranged in the second heat exchanger 11 by penetrating through the heated section 302. The first heating water branch section 301 is provided with a second circulating water pump 162 and a water pressure sensor 17, the first heating water branch section 301 is connected with an expansion water tank 14, and the second heating water branch section 303 is provided with a temperature limiter 12 and a second temperature sensor 132.
The auxiliary connection pipeline includes a first auxiliary connection branch section 401 and a second auxiliary connection branch section 402, a first end of the first auxiliary connection branch section 401 is connected to the second heating water branch section 303 through a second valve 222, a second end is connected to the heat-exchange water heating section 202 and the second heat-exchange water branch section 203, and the auxiliary heat supply pipeline is connected through the first valve 221, the second valve 222 has a first position at which the heating water heated section 302 is communicated with the first auxiliary connection branch section 401 and is disconnected from the heating water outlet, a second position at which the heating water heated section 302 is disconnected from the first auxiliary connection branch section 401 and is communicated with the heating water outlet, the first valve 221 has a third position at which the second heat-exchange water branch section 203 is communicated with the domestic water outlet 20, and a fourth position at which the heat-exchange water heating section 202 is communicated with the first auxiliary connection branch section, a fifth position where the heat exchange water heating section 202 communicates with the second heat exchange water branch section 203; a first end of the second auxiliary branch connecting section 402 is connected to the heat exchange water return connecting section 204 and the heat exchange water heating section 202 through a third valve 223, a second end is communicated with the first heating water branch section 301, and the third valve 223 has a sixth position at which the heat exchange water heating section 202 is disconnected from the heat exchange water return connecting section 204 and is communicated with the first heating water branch section 301, and a seventh position at which the heat exchange water heating section 202 is communicated with the heat exchange water return connecting section 204 and is disconnected from the first heating water branch section 301. The second auxiliary connecting branch 402 is provided with a check valve 24.
A fourth valve 211 for controlling the on-off of the first heat exchange water branch section 201 is arranged at the downstream position of the heat exchange water return connection section 204 on the first heat exchange water branch section 201.
The first heating water branch section 301 is connected with the first living water branch section 101 through a water supplementing pipeline 106, and a fifth valve 212 for controlling the on-off of the water supplementing pipeline 106 is arranged on the water supplementing pipeline 106.
The first living water branch section 101 and the second living water branch section 103 are further connected through a water mixing pipeline 105, and a water mixing valve 23 is arranged on the water mixing pipeline 105, so that cold water and hot water in the second living water branch section 103 can be mixed and then flow out.
In the present embodiment, the second valve 222 and the third valve 223 are both three-way selector valves, and the first valve 221 is a four-way valve.
As a preferred embodiment, the first heat exchanger 3 is a plate heat exchanger.
When the single heating mode is required, the second valve 222 is switched to the second position and the second circulation water pump 162 is operated. The lowest water pressure P is preset in the controller0Setting the water temperature tHeating settingThe water pressure sensor 17 monitors the water pressure P of the system in real time, and when P is less than P0Fifth valve212, starting to supplement water, and maintaining the normal pressure of the system; when P is more than or equal to P0The fifth valve 212 is closed when the temperature t detected by the second temperature sensor 132 isHeating water outlet≥tHeating settingAnd if so, closing the gas proportional valve 5, closing the igniter, closing the fan 10 in a delayed manner, and cleaning after completion. When t isHeating water outlet＜tHeating settingAnd then, the fan 10 is started, after pre-cleaning is completed, the igniter is started, the gas proportional valve 5 is opened in a delayed manner, gas enters the combustor 15 through the gas inlet 7 to be combusted, the second heat exchanger 11 is continuously heated, heating water enters the first heating water branch section 301 through the heating water return port 19, the heating water is changed into hot water after exchanging heat with the second heat exchanger 11 in the heating section 302, the hot water flows to the heating tail end through the second heating water branch section 303, and then flows back to the heating water return port 19, and the process is repeated.
When the domestic hot water mode is needed to be used independently, the water mixing valve 23 is opened to generate a water flow signal, when the water flow sensor 18 detects the water flow signal, a signal is sent to the controller, the controller controls the second water pump arranged on the first heating water branch section 301 to operate, the second valve 222 is switched to the first position, the first valve 221 is switched to the fourth position, the third valve 223 is switched to the sixth position, circulating water in the heating system flows through the first auxiliary connecting branch section 401, the heat exchange water heating section 202 and the second auxiliary connecting branch section 402 after being heated in the heating section 302 and then flows back to the first heating water branch section 301, and domestic water enters through the domestic water inlet, the water flows into the first heat exchanger 3 under the action of the second water pump, exchanges heat with the heat exchange water heating section 202 in the domestic water heated section 102 to heat up, and flows to the domestic water end after being mixed with cold water in the water mixing pipe through the second domestic water branch section 103.
When the heating and domestic hot water mode needs to be used simultaneously, the second valve 222 is switched to the second position, the first valve 221 is switched to the fifth position, the first circulating water pump 161 and the second circulating water pump 162 are started, the second valve 222 is switched to the second position, the third valve 223 is switched to the seventh position, and the circulation process of the heating water refers to the circulation process of the single heating mode; the domestic water enters through the domestic water inlet 6, a part of the domestic water flows into the first heat exchanger 3 under the action of the second water pump, a part of the domestic water flows into the first heat exchange water branch section 201, the domestic water is heated by the second heater and then enters the heat exchange water heating section 202 through the second heat exchange water branch section 203, the domestic water in the first heat exchanger 3 is heated by the heating section 102 and the heat exchange water heating section 202 for heat exchange and temperature rise, and the domestic water is mixed with cold water in the water mixing pipe through the second domestic water branch section 103 and then flows to the domestic water end.
When the user does not use the domestic hot water, when the water temperature in the second domestic water branch section 103 is low, t is preset in the controllerHot water settingThe first temperature sensor 131 detects the outlet water temperature tHot water outlet＜tHot water settingThe first circulating water pump 161 is started, the first heater is started, the water return valve 25 is opened, a part of water in the first living water branch section 101 enters the living water heated section 102, a part of water enters the first heat exchange water branch section 201, the water is heated by the second heater and then enters the heat exchange water heating section 202 in the first heat exchanger 3 through the second heat exchange water branch section 203, the water exchanges heat with the living water heated section 102, cold water after heat exchange enters the first heat exchange water branch section 201 again, the living water heated by the first heat exchanger 3 enters the second living water branch section 103, the water flows back to the first living water branch section 101 through the return pipeline 104, and the water temperature of the water in the second living water branch section 103 can be kept through continuous circulation. When the first temperature sensor 131 detects tHot water outlet≥tHot water settingAt this time, the controller controls the first circulation water pump 161 and the first heater to stop operating.
Because first living water branch section 101 communicates with first heat transfer water branch section 201, can supply the loss in the heat transfer water pipeline at any time, needn't link to each other with domestic water inlet 6 through the pipeline again, simple structure. When the temperature of the domestic hot water needed in winter is higher, the hot water in the heat exchange water pipeline directly flows to the domestic water outlet 20 through the first valve 221, and the domestic hot water with higher temperature can be provided for use. When the temperature of the domestic hot water needed in summer is low, the first valve 221 is switched to the fifth position where the heat exchange water heating section 202 is communicated with the second heat exchange water branch section 203, the domestic water flows out after exchanging heat with the heat exchange water pipeline in the plate heat exchanger, and the temperature of the hot water flowing out of the domestic water outlet 20 is low.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (11)
1. A wall hanging stove, comprising:
a heating device including a first heater;
a first heat exchanger (3);
the domestic water system is provided with a domestic water inlet (6) and a domestic water outlet (20), and comprises a domestic water heated section (102) heated by the first heat exchanger (3), a first domestic water branch section (101) positioned between the domestic water inlet (6) and the domestic water heated section (102), and a second domestic water branch section (103) positioned between the domestic water outlet (20) and the domestic water heated section (102), wherein a first circulating water pump (161) is arranged on the first domestic water branch section (101);
the heat exchange water pipeline exchanges heat with the heated section (102) of the domestic water, the first heater is arranged on the heat exchange water pipeline, and the heat exchange water pipeline comprises a heat exchange water heating section (202) which is arranged in the first heat exchanger (3) and exchanges heat with the heated section (102) of the domestic water, a first heat exchange water branch section (201) which is communicated with the first domestic water branch section (101) and is positioned at the upstream of the first heater, a second heat exchange water branch section (203) which is positioned at the downstream of the first heater and is positioned at the upstream of the heat exchange water heating section (202), and a heat exchange water return connecting section (204) which is communicated with the heat exchange water heating section (202) and the first heat exchange water branch section (201);
return line (104), both ends respectively with first domestic water branch section (101) second domestic water branch section (103) intercommunication, be equipped with return valve (25) on return line (104), return valve (25) have and make water in second domestic water branch section (103) flow back to the open position of first domestic water branch section (101).
2. The wall hanging stove as claimed in claim 1, further comprising an auxiliary heat supply pipeline, a first end of which is connected with the second heat exchange water branch section (203) through a first valve (221), and the other end of which is communicated with the second domestic water branch section (103).
3. The wall hanging stove according to claim 2, wherein the heating device further comprises a second heater, the wall hanging stove further comprising:
the heating system is provided with a heating water return port (19), a heating water outlet (8), a heated section (302) of heating water heated by the second heater, a first heating water branch section (301) positioned between the heating water return port (19) and the heated section (302), and a second heating water branch section (303) positioned between the heating water outlet (8) and the heated section (302).
4. The wall hanging stove of claim 3, further comprising an auxiliary connecting line, the auxiliary connecting line comprising:
a first auxiliary branch connection section (401) having a first end connected to the second branch heating water section (303) through a second valve (222) and a second end connected to the heat-exchange water heating section (202) and the second branch heat-exchange water section (203) and the auxiliary heat supply pipeline through the first valve (221), the second valve (222) having a first position at which the heated section of heating water (302) is communicated with the first auxiliary branch connection section (401) and disconnected from the heating water outlet, a second position at which the heated section of heating water (302) is disconnected from the first auxiliary branch connection section (401) and communicated with the heating water outlet, the first valve (221) having a third position at which the second branch heat-exchange water section (203) is communicated with the domestic water outlet (20) and a fourth position at which the heat-exchange water heating section (202) is communicated with the first auxiliary branch connection section (401), a fifth position where the heat exchange water heating section (202) is communicated with the second heat exchange water branch section (203);
a second auxiliary branch connecting section (402), a first end of which is connected with the heat exchange water return connecting section (204) and the heat exchange water heating section (202) through a third valve (223), a second end of which is communicated with the first heating water branch section (301), wherein the third valve (223) has a sixth position at which the heat exchange water heating section (202) is disconnected from the heat exchange water return connecting section (204) and is communicated with the first heating water branch section (301), and a seventh position at which the heat exchange water heating section (202) is communicated with the heat exchange water return connecting section (204) and is disconnected from the first heating water branch section (301).
5. The wall hanging furnace as claimed in claim 4, wherein a fourth valve (211) for controlling the on-off of the first heat exchange water branch section (201) is arranged on the first heat exchange water branch section (201) at a position downstream of the heat exchange water return connection section (204).
6. The hanging stove as claimed in claim 3, wherein the first heating water branch (301) is connected with the first living water branch (101) through a water replenishing pipeline, and the water replenishing pipeline is provided with a fifth valve (212) for controlling the water replenishing pipeline to be opened and closed.
7. The wall hanging stove according to claim 1, characterized in that the stove further comprises a controller, the second domestic water branch section (103) is provided with a first temperature sensor (131), and the first temperature sensor (131) is electrically connected with the controller.
8. The wall hanging stove as claimed in claim 7, characterized in that the second domestic water branch section (103) is further provided with a water outlet flow sensor (18), and the water outlet flow sensor (18) is electrically connected with the controller.
9. The wall hanging stove according to claim 4, characterized in that the second valve (222) and the third valve (223) are all three-way reversing valves, and the first valve (221) is a four-way valve.
10. A wall hanging stove as claimed in claim 3, characterised in that the first heater is an electric heater (4) and the second heater is a burner (15) in communication with a gas line.
11. The wall hanging stove according to claim 10, further comprising a second heat exchanger (11) provided above the burner (15), wherein the heating water heated section (302) is provided throughout the second heat exchanger (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256380.4A CN111306780A (en) | 2019-12-09 | 2019-12-09 | Wall-mounted furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911256380.4A CN111306780A (en) | 2019-12-09 | 2019-12-09 | Wall-mounted furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111306780A true CN111306780A (en) | 2020-06-19 |
Family
ID=71148777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911256380.4A Pending CN111306780A (en) | 2019-12-09 | 2019-12-09 | Wall-mounted furnace |
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| Country | Link |
|---|---|
| CN (1) | CN111306780A (en) |
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