CN216790514U - Gas heating and hot water supply dual-purpose furnace system - Google Patents
Gas heating and hot water supply dual-purpose furnace system Download PDFInfo
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- CN216790514U CN216790514U CN202123326241.XU CN202123326241U CN216790514U CN 216790514 U CN216790514 U CN 216790514U CN 202123326241 U CN202123326241 U CN 202123326241U CN 216790514 U CN216790514 U CN 216790514U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model relates to a gas heating and hot water supply dual-purpose furnace system, which is characterized in that: the plate heat exchanger is positioned above the combustion heat exchanger, the heat exchange pipe in the plate heat exchanger further comprises a second water inlet end and a second water outlet end which are communicated with the combustion heat exchanger, the second water inlet end and the second water outlet end form a second domestic water heating loop for heating domestic water together with the heating water pump, and the heated heating water passes through the plate heat exchanger to exchange heat with the domestic water under the action of the heating water pump, and compared with the prior art, the plate heat exchanger has the advantages that: through will be used for placing the plate heat exchanger for the domestic water heat transfer in the upper portion of original main heat exchanger in the water route, the waste heat of utilizing discharge waste gas behind the heat transfer heats the domestic water in the plate heat exchanger to increase second domestic water heating circuit in domestic water heating circuit and heating water heating circuit, realized heating and domestic water and opened promptly the concurrent operation of hot-working function promptly.
Description
Technical Field
The utility model relates to the field of water heaters, in particular to an instant-heating gas heating and hot water supplying dual-purpose furnace system.
Background
The dual-purpose stove is mainly used for meeting the domestic hot water requirement and the winter heating requirement of users, and except for the most important heating function, people pay more and more attention to the performance requirement of the domestic hot water, particularly, the demand of the instant heating function (a shower head, a faucet and the like are used for preheating one section of cold water discharged from a water heater in advance, and the problem that one section of cold water needs to be discharged when bathing at each time) is more and more obvious, so that the high-end dual-purpose stove with the instant heating function is also more and more in the market.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a gas heating and hot water supply dual-purpose furnace system which can be used for heating and living and can be heated immediately by being opened aiming at the current technical situation.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the gas heating and hot water supplying dual-purpose furnace system comprises a heating water return pipe, a heating water pump, a combustion heat exchanger, a plate type heat exchanger, a heating water outlet pipe, a domestic water inlet pipe, a domestic water outlet pipe and a domestic water circulating water pump; wherein, heating wet return, heating water pump, burning heat exchanger and heating outlet pipe constitute heating water heating circuit together, and plate heat exchanger, domestic water circulating water pump constitute first living water heating circuit together, wherein the first end of intaking and the first water outlet end of heat exchange tube communicate its characterized in that with domestic water inlet tube, domestic water outlet pipe respectively among the plate heat exchanger: the plate heat exchanger is positioned above the combustion heat exchanger, the heat exchange pipe in the plate heat exchanger further comprises a second water inlet end and a second water outlet end which are communicated with the combustion heat exchanger, the second water inlet end and the second water outlet end and the heating water pump form a second domestic water heating loop for heating domestic water, and under the action of the heating water pump, the heated heating water passes through the plate heat exchanger to exchange heat with the domestic water.
In order to realize instant heating of domestic water, preferably, the water outlet end of the combustion heat exchanger and the plate heat exchanger are divided into two paths through a three-way valve, one path is communicated with a heating water outlet pipe, the other path is communicated with the second water inlet end of the plate heat exchanger, and the second water outlet end of the plate heat exchanger is communicated with the water inlet end of the combustion heat exchanger through a heating water pump. When a user opens the domestic hot water, a water flow signal is generated, the electrically communicated three-way valve is immediately switched to the second domestic water heating loop, and the heated heating water flows through the plate heat exchanger under the circulating action of the heating water pump, so that the heat exchange is carried out on the domestic water, and the user can obtain the domestic hot water; under this state, not only have heating water to carry out the heat transfer to domestic water through plate heat exchanger, still make full use of flue gas waste heat has heated the domestic water in to plate heat exchanger, and domestic water rate of heating is faster, and efficiency is higher.
The water in the pipeline can deteriorate after long-time use of the heating system, or the system needs to be maintained, so that the water in the loop needs to be removed and replaced, preferably, the domestic water inlet pipe and the heating water outlet pipe are communicated through a water supplementing pipe, and a water supplementing valve is arranged on the water supplementing pipe. When draining water, only the drain valve is needed to be opened.
Because the high-temperature flue gas is utilized for heat exchange, acidic condensed water can be generated on the plate heat exchanger (generally made of stainless steel materials), and preferably, a condensed water collecting device is arranged between the plate heat exchanger and the combustion heat exchanger.
From the viewpoint of simple structure, it is preferable that the condensed water collecting apparatus includes a drip tray and a drain pipe connected to the drip tray.
Preferably, a neutralizing box for neutralizing the acidic water is arranged on a pipeline where the liquid containing tray and the water discharging pipe are located. Wherein the middle material box contains calcium carbonate which can be used for neutralizing acidic water.
In order to heat the combustion heat exchanger, preferably, the gas burner is further included, the gas burner comprises a shell with a combustion chamber therein, a plurality of fire discharge sheets arranged side by side at intervals are installed in the combustion chamber, and a gas inlet of the fire discharge sheets is connected with a gas inlet pipe. The gas burner is used for heating the combustion heat exchanger, and high-temperature flue gas generated by combustion is discharged through the exhaust channel.
Compared with the prior art, the utility model has the advantages that: through will be used for placing the plate heat exchanger for the heat transfer of domestic water in the upper portion of original main heat exchanger in the water route, the waste heat of utilizing discharge waste gas behind the heat transfer heats the domestic water in the plate heat exchanger to increase second domestic water heating circuit in domestic water heating circuit and heating water heating circuit, realized heating and domestic water and opened promptly and be the concurrent operation of heating function, the waste heat in the system waste gas is utilized rationally simultaneously, user's gas cost has significantly reduced.
Drawings
FIG. 1 is a schematic structural view of a dual-purpose furnace system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a three-way valve which is switched to a heating water heating loop when only heating is performed according to the embodiment of the utility model;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention in which when a user turns on domestic hot water, a water flow signal is generated, and at this time, the electrically conducted three-way valve is immediately switched to the second domestic water heating circuit;
FIG. 4 is a schematic structural diagram of the instant heating function activated by the user during non-heating seasons in the embodiment of the present invention;
fig. 5 is a schematic structural diagram of the instant heating function started by the user in the heating season in the embodiment of the present invention.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in FIGS. 1 to 5, the embodiment of the present invention is shown. The gas heating and hot water supply dual-purpose furnace system of the embodiment comprises a heating water return pipe 1, a heating water pump 2, a combustion heat exchanger 3, a plate heat exchanger 4, a heating water outlet pipe 5, a domestic water inlet pipe 6, a domestic water outlet pipe 7 and a domestic water circulating water pump 8; wherein, the heating water return pipe 1, the heating water pump 2, the combustion heat exchanger 3 and the heating water outlet pipe 5 form a heating water heating loop together, the plate heat exchanger 4 and the domestic water circulating water pump 8 form a first domestic water heating loop together, wherein, in order to heat the combustion heat exchanger 3, the heating water heating loop also comprises a gas burner, the gas burner comprises a shell 14 with a combustion chamber therein, a plurality of fire exhaust fins 15 which are arranged side by side at intervals are arranged in the combustion chamber, a gas inlet of the fire exhaust fins 15 is connected with a gas inlet pipe 16 for heating the combustion heat exchanger 3 through the gas burner, high-temperature flue gas generated by combustion is discharged through an exhaust passage, a first water inlet end 41 and a first water outlet end 42 of a heat exchange pipe in the plate heat exchanger 4 are respectively communicated with a domestic water inlet pipe 6 and a domestic water outlet pipe 7, the plate heat exchanger 4 is positioned on the combustion heat exchanger 3, the heat exchange pipe in the plate heat exchanger 4 further comprises a second water inlet end 43 and a second water outlet end 44 which are communicated with the combustion heat exchanger 3, and form a second domestic water heating loop for heating domestic water together with the heating water pump 2, and the heated heating water passes through the plate heat exchanger 4 under the action of the heating water pump 2 so as to exchange heat with the domestic water. The plate heat exchanger 4 used for heat exchange of domestic water is placed on the upper portion of the original main heat exchanger in the water path, the domestic water in the plate heat exchanger 4 is heated by utilizing waste heat of waste gas discharged after heat exchange, and the second domestic water heating loop is added in the domestic water heating loop and the heating water heating loop, so that heating and domestic water are started immediately, namely, the heating function is operated simultaneously, meanwhile, the waste heat in system waste gas is reasonably utilized, and the gas cost of a user is greatly reduced.
Specifically, in order to realize the instant heating of the domestic water, preferably, the water outlet end 31 of the combustion heat exchanger 3 and the plate heat exchanger 4 are divided into two paths by a three-way valve, one path is communicated with the heating water outlet pipe 5, the other path is communicated with the second water inlet end 43 of the plate heat exchanger 4, and the second water outlet end 44 of the plate heat exchanger 4 is communicated with the water inlet end 32 of the combustion heat exchanger 3 through the heating water pump 2. When a user opens the domestic hot water, a water flow signal is generated, the electrically communicated three-way valve is immediately switched to the second domestic water heating loop, and the heated heating water flows through the plate heat exchanger 4 under the circulating action of the heating water pump 2, so that the heat exchange is carried out on the domestic water, and the user can obtain the domestic hot water; under this state, not only have heating water to carry out the heat transfer to domestic water through plate heat exchanger 4, still make full use of flue gas waste heat has heated the domestic water in to plate heat exchanger 4, and domestic water rate of heating is faster, and efficiency is higher. In addition, the water in the pipeline can deteriorate after long-time use, or the system needs to be maintained, so that the water in the loop needs to be removed and replaced, the domestic water inlet pipe 6 and the heating water outlet pipe 5 are communicated through the water supplementing pipe 9, the water supplementing pipe 9 is provided with the water supplementing valve 10, and the water discharging valve is opened only during water discharging. Because the high-temperature flue gas is utilized for heat exchange, acidic condensate water can be generated on the plate heat exchanger 4 (generally made of stainless steel materials), and preferably, a condensate water collecting device is arranged between the plate heat exchanger 4 and the combustion heat exchanger 3. In view of simple structure, the condensed water collecting apparatus preferably includes a drip tray 11 and a drain pipe 12 connected to the drip tray 11. A middle material box 13 for neutralizing the acid water is arranged on a pipeline where the liquid containing disc 11 and the water discharging pipe 12 are arranged, wherein the middle material box 13 contains calcium carbonate and can be used for neutralizing the acid water.
To sum up, the dual-purpose stove system of this embodiment utilizes waste gas waste heat to preheat the running water on the one hand, and is more energy-conserving, has realized simultaneously that heating function and domestic water are opened promptly and is the synchronous operation of heat function, and its concrete theory of operation is as follows:
as shown in fig. 2: when only heating is carried out, the electrically communicated three-way valve 20 is switched to a heating water heating loop, and the heated heating water is dispersed indoors through the radiating fins 30 under the circulating action of the heating water pump 2, so that the heating requirement of a user is met;
as shown in fig. 3: when a user opens the domestic hot water, a water flow signal is generated, the electrified three-way valve 20 is immediately switched to the second domestic water heating loop, and the heated heating water flows through the plate heat exchanger 4 under the circulating action of the heating water pump 2, so that the heat exchange is carried out on the domestic water, and the user can obtain the domestic hot water; in this state, not only the heating water exchanges heat with the domestic water through the plate heat exchanger 4, but also the flue gas waste heat is fully utilized to heat the domestic water in the heat exchange, so that the domestic water is heated more quickly and more efficiently;
as shown in fig. 4: when the heating function is not started in non-heating seasons (spring, summer, autumn and the like), the user starts the instant heating function, the domestic water circulating pump starts to operate, the domestic water starts to flow, a water flow signal is generated, a first domestic water heating loop is formed, the electric three-way valve 20 is immediately switched to a second domestic water heating loop, the heated heating water flows through the plate heat exchanger 4 under the circulating action of the heating water pump 2, so that the heat exchange is carried out on the domestic water, and the instant heating function is realized;
as shown in fig. 5: when being in the season of heating, when the heating function was opened, the user opened and opens the instant heating function promptly, and life water pump operation this moment, and electrically operated three-way valve 20 still is in heating water heating loop state, relies on preheating of heating waste gas to realize opening the instant heating function promptly in the heating. In this embodiment, since the high-temperature flue gas is used for heat exchange, acidic condensed water is generated on the plate heat exchanger 4, and therefore a condensed water collecting device, a neutralizer and a drain pipe 12 are additionally arranged.
Claims (7)
1. A gas heating and hot water supply dual-purpose furnace system comprises a heating water return pipe (1), a heating water pump (2), a combustion heat exchanger (3), a plate heat exchanger (4), a heating water outlet pipe (5), a domestic water inlet pipe (6), a domestic water outlet pipe (7) and a domestic water circulating water pump (8); wherein, heating wet return (1), heating water pump (2), burning heat exchanger (3) and heating outlet pipe (5) constitute heating water heating circuit together, and plate heat exchanger (4), life water circulating water pump (8) constitute first living water heating circuit together, wherein the first end (41) of intaking and first play water end (42) of heat exchange tube communicate its characterized in that with life water inlet tube (6), life water outlet pipe (7) respectively in plate heat exchanger (4): the plate heat exchanger (4) is located above the combustion heat exchanger (3), the heat exchange pipe in the plate heat exchanger (4) further comprises a second water inlet end (43) and a second water outlet end (44) which are communicated with the combustion heat exchanger (3), the second water inlet end and the second water outlet end form a second domestic water heating loop together with the heating water pump (2), and under the action of the heating water pump (2), heated heating water passes through the plate heat exchanger (4) to exchange heat with the domestic water.
2. The gas-fired heating and hot water supply dual-purpose furnace system according to claim 1, characterized in that: the water outlet end part (31) of the combustion heat exchanger (3) and the plate heat exchanger (4) are divided into two paths through a three-way valve (20), one path is communicated with a heating water outlet pipe (5), the other path is communicated with a second water inlet end (43) of the plate heat exchanger (4), and a second water outlet end (44) of the plate heat exchanger (4) is communicated with a water inlet end part (32) of the combustion heat exchanger (3) through a heating water pump (2).
3. The gas-fired heating and hot water supply dual-purpose furnace system according to claim 2, characterized in that: the domestic water inlet pipe (6) is communicated with the heating water outlet pipe (5) through a water supplementing pipe (9), and a water supplementing valve (10) is arranged on the water supplementing pipe (9).
4. The gas-fired heating and hot water supply dual-purpose furnace system according to any one of claims 1 to 3, characterized in that: and a condensed water collecting device is arranged between the plate heat exchanger (4) and the combustion heat exchanger (3).
5. The gas-fired heating and hot water supply dual-purpose furnace system according to claim 4, characterized in that: the condensed water collecting device comprises a liquid containing disc (11) and a drain pipe (12) connected with the liquid containing disc (11).
6. The gas-fired heating and hot water supply dual-purpose furnace system according to claim 5, characterized in that: and a middle material box (13) for neutralizing acidic water is arranged on a pipeline where the liquid containing disc (11) and the drain pipe (12) are arranged.
7. The gas-fired heating and hot water supply dual-purpose furnace system according to claim 5 or 6, characterized in that: still including gas burner, gas burner has casing (14) of combustion chamber in it, installs the fire row piece (15) that the multi-disc set up side by side interval in the combustion chamber, and the gas entry of fire row piece (15) is connected with gas intake pipe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123326241.XU CN216790514U (en) | 2021-12-27 | 2021-12-27 | Gas heating and hot water supply dual-purpose furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123326241.XU CN216790514U (en) | 2021-12-27 | 2021-12-27 | Gas heating and hot water supply dual-purpose furnace system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216790514U true CN216790514U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123326241.XU Active CN216790514U (en) | 2021-12-27 | 2021-12-27 | Gas heating and hot water supply dual-purpose furnace system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216790514U (en) |
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2021
- 2021-12-27 CN CN202123326241.XU patent/CN216790514U/en active Active
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