CN212930468U - Condensation type dual-purpose water heater - Google Patents

Condensation type dual-purpose water heater Download PDF

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Publication number
CN212930468U
CN212930468U CN202021777570.9U CN202021777570U CN212930468U CN 212930468 U CN212930468 U CN 212930468U CN 202021777570 U CN202021777570 U CN 202021777570U CN 212930468 U CN212930468 U CN 212930468U
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pipeline
heat exchange
bathing
heat exchanger
heating
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CN202021777570.9U
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艾穗江
黄城洪
邓海燕
陈仕超
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Guangdong Macro Gas Appliance Co Ltd
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Guangdong Macro Gas Appliance Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

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Abstract

The utility model discloses a dual-purpose type water heater of condensing, include: the bathing system comprises a bathing water inlet pipeline, a bathing heat exchange pipeline and a bathing water outlet pipeline; the heating system comprises a heating water inlet pipeline, a condensation heat exchange pipeline and a main heat exchange pipeline, and also comprises a three-way valve, a heating water outlet pipeline and a heating heat exchange pipeline; the main heat exchange system comprises a combustor and a main heat exchanger, and a main heat exchange pipeline is arranged in the main heat exchanger; the condensation heat exchanger is provided with a condensation heat exchange pipeline; the plate heat exchanger, the bathing heat exchange pipeline and the heating heat exchange pipeline are all arranged in the plate heat exchanger. The heating water firstly passes through the condensation heat exchanger and then flows into the main heat exchanger to absorb the heat of the high-temperature flue gas, the flue gas generated by the burner passes through the main heat exchanger and the condensation heat exchanger to exchange heat with the heating water twice, the heat exchange rate of the flue gas is improved, the energy utilization rate of the fuel gas can be improved, and the efficiency grade is favorably improved.

Description

Condensation type dual-purpose water heater
Technical Field
The utility model relates to a water heater technical field, in particular to dual-purpose type water heater of condensing.
Background
The dual-purpose water heater can simultaneously meet the functions of heating and bathing hot water. The existing dual-purpose water heater is of a primary heat exchange structure, high-temperature flue gas generated by a burner passes through a heat exchanger, heat of the high-temperature flue gas is transferred to water in a heating system through the heat exchanger to form hot water, and then the flue gas is discharged from a smoke outlet. The waste heat of the flue gas discharged from the primary heat exchange structure is more, more heat is not utilized, the energy utilization rate of the fuel gas is reduced, the primary energy efficiency standard cannot be reached, a large amount of fuel gas is wasted after the primary heat exchange structure is used for a long time, and more waste gas is discharged to pollute the environment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a dual-purpose type water heater of condensing.
According to the utility model discloses a dual-purpose type water heater of condensing, include:
the bathing system comprises a bathing water inlet pipeline, a bathing heat exchange pipeline and a bathing water outlet pipeline which are sequentially connected, wherein a bathing water inlet is arranged at one end of the bathing water inlet pipeline far away from the bathing heat exchange pipeline, and a bathing water outlet is arranged at one end of the bathing water outlet pipeline far away from the bathing heat exchange pipeline;
the heating system comprises a main flow pipeline, the main flow pipeline comprises a heating water inlet pipeline, a condensation heat exchange pipeline and a main heat exchange pipeline which are sequentially connected, a heating water inlet is arranged at one end of the heating water inlet pipeline far away from the condensation heat exchange pipeline, the main flow pipeline is provided with a heating circulating water pump, the heating system also comprises a three-way valve, the three-way valve is provided with a first water inlet, a first water outlet and a second water outlet, the first water inlet is connected with the water outlet end of the main heat exchange pipeline, the heating system also comprises a heating water outlet pipeline, one end of the heating water outlet pipeline is connected with the first water outlet, the other end of the heating water outlet pipeline is provided with a heating water outlet, the heating system also comprises a heating heat exchange pipeline, one end of the heating heat exchange pipeline is connected with the second water outlet, and the other end of the heating heat exchange pipeline is connected with the heating water inlet pipeline;
the main heat exchange system comprises a combustor and a main heat exchanger, and the main heat exchange pipeline is arranged in the main heat exchanger;
the condensation heat exchanger is connected to the air exhaust side of the main heat exchanger, and the condensation heat exchange pipeline is arranged in the condensation heat exchanger;
the bathing heat exchange pipeline and the heating heat exchange pipeline are both arranged in the plate heat exchanger.
According to the utility model discloses dual-purpose type water heater of condensing has following beneficial effect at least: a condensation heat exchanger is arranged on the smoke exhaust side of the main heat exchanger, and high-temperature smoke generated in the burner enters the condensation heat exchanger after heat exchange of the main heat exchanger; heating water in the heating system flows in from the heating water inlet and then passes through the condensing heat exchanger, heat of flue gas with waste heat is transferred to the heating water with lower temperature through the condensing heat exchanger, and the heating water flows into the main heat exchanger again to absorb heat of the high-temperature flue gas. In the technology, the flue gas generated by the burner passes through the main heat exchanger and the condensing heat exchanger, and exchanges heat with the heating water twice, so that the heat exchange rate of the flue gas is improved, the energy utilization rate of the fuel gas can be improved, the efficiency level can be improved, and the consumption of the fuel gas can be reduced.
According to some embodiments of the utility model, the bathing system still includes the water storage tank, the water storage tank is located the bathing heat transfer pipeline with between the bathing delivery port. The temperature rise is high when water stops flowing due to large water temperature fluctuation after heat exchange of the plate heat exchanger; in the technology, the bath water firstly enters the water storage tank after passing through the plate heat exchanger, so that the water temperature buffering effect can be achieved, and the water temperature fluctuation is reduced.
According to some embodiments of the utility model, the bathing system still includes bathing circulating water pump, bathing circulating water pump locates the side of intaking of bathing heat transfer pipeline. The bathing circulating water pump is positioned in front of the bathing heat exchange pipeline and can provide circulating power for the bathing water; before the user water, can realize preheating the bathing water in the pipeline in advance, the user can open the instant heating promptly during the water, avoids just starting the machine and appears the cold water section, can promote user experience, the water economy resource.
According to some embodiments of the utility model, heating system still includes coil pipe heat transfer pipeline, coil pipe heat transfer pipeline locates condensation heat transfer pipeline with between the main heat transfer pipeline, coil pipe heat transfer pipeline twine in the periphery of combustor. Water in the coil heat exchange pipeline can absorb heat on the peripheral surface of the combustor, and the energy utilization rate of fuel gas is further improved.
According to some embodiments of the utility model, main heat transfer system still includes the fan, main heat exchanger locates the upside of combustor, the fan is located the upside of main heat exchanger, the fan is located main heat exchanger with between the condensation heat exchanger, the air intake of fan with main heat exchanger connects, the air outlet of fan with the condensation heat exchanger is connected. The fan generates negative pressure to attract fuel gas to enter the combustor for combustion, and drives the flue gas to be discharged to the condensing heat exchanger through the main heat exchanger.
According to some embodiments of the utility model, the fan is the direct current fan. The direct current fan can match corresponding wind speed according to load size and external environment wind speed, obtains the combustion state of preferred, improves combustion efficiency, and the anti-wind pressure performance is good.
According to some embodiments of the invention, the condensation heat exchanger is a stainless steel bellows heat exchanger. The stainless steel corrugated pipe heat exchanger has high heat conductivity coefficient, corrosion resistance and lower cost.
According to some embodiments of the utility model, the dual-purpose type water heater of condensing still includes the shell, the bathing system heating system main heat transfer system the condensation heat exchanger with plate heat exchanger all locates in the shell, the bathing water inlet the bathing delivery port heating water inlet with the heating delivery port is all located on the shell. The bathing system, the heating system, the main heat exchange system, the condensing heat exchanger and the plate heat exchanger are all arranged in the shell, and the shell plays a role in protection; the bathing water inlet, the bathing water outlet, the heating water inlet and the heating water outlet are all arranged on the shell and are respectively connected with an external pipeline.
The utility model is used for the water heater.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a schematic front view of the interior of an embodiment of the present invention;
fig. 2 is a left side view schematic diagram of the inside of the embodiment of the present invention.
In the drawings: 101-bathing water inlet pipeline, 104-bathing water inlet, 105-bathing water outlet, 106-water storage tank, 107-bathing circulating water pump, 201-heating water inlet pipeline, 202-condensation heat exchange pipeline, 205-heating circulating water pump, 206-three-way valve, 207-heating water outlet pipeline, 208-heating water outlet, 209-coil heat exchange pipeline, 210-expansion water tank, 301-burner, 302-main heat exchanger, 303-condensation heat exchanger, 304-gas inlet, 401-plate heat exchanger, 501-fan and 601-shell.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly defined, words such as set forth, connected, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the words in the present invention by combining the specific contents of the technical solutions.
A condensing type dual-purpose water heater according to an embodiment of the present invention will be described with reference to fig. 1 and 2.
The condensing dual-purpose water heater comprises a shell 601, a bathing system, a heating system, a main heat exchange system, a condensing heat exchanger 303 and a plate heat exchanger 401.
The bathing system comprises a bathing water inlet pipeline 101, a bathing heat exchange pipeline and a bathing water outlet pipeline which are sequentially connected, wherein a bathing water inlet 104 is arranged at one end of the bathing water inlet pipeline 101 far away from the bathing heat exchange pipeline, and a bathing water outlet 105 is arranged at one end of the bathing water outlet pipeline far away from the bathing heat exchange pipeline.
The heating system comprises a main flow pipeline, the main flow pipeline comprises a heating water inlet pipeline 201, a condensation heat exchange pipeline 202 and a main heat exchange pipeline which are sequentially connected, a heating water inlet is arranged at one end of the heating water inlet pipeline 201 far away from the condensation heat exchange pipeline 202, a heating circulating water pump 205 is arranged on the main flow pipeline, and the heating circulating water pump 205 drives water circulation flowing heat exchange in the heating system. The heating system further comprises a three-way valve 206, the three-way valve 206 is provided with a first water inlet, a first water outlet and a second water outlet, the first water inlet is connected with the water outlet end of the main heat exchange pipeline, and water in the main flow pipeline can be switched to flow to the first water outlet or the second water outlet through the three-way valve 206. The heating system further comprises a heating water outlet pipeline 207, one end of the heating water outlet pipeline 207 is connected with the first water outlet, the other end of the heating water outlet pipeline 207 is provided with a heating water outlet 208, the heating system further comprises a heating heat exchange pipeline, one end of the heating heat exchange pipeline is connected with the second water outlet, and the other end of the heating heat exchange pipeline is connected with the heating water inlet pipeline 201. When the three-way valve 206 is switched to enable water to flow to the first water outlet, the water enters the heating water outlet pipeline 207 and flows out of the heating water outlet 208 to the outside for heating, and the water does not pass through the heating heat exchange pipeline; when the three-way valve 206 is switched to enable water to flow into the second water outlet, the water flows into the heating heat exchange pipeline to exchange heat with bath water, and then flows into the heating water inlet pipeline 201 to flow circularly. The heating system further comprises an expansion water tank 210, the expansion water tank 210 can be mounted on a main flow pipeline, the volume change of water caused by water temperature change in the heating system is accommodated, or water is supplemented when water leakage occurs, and the safety and reliability of system operation are improved.
The main heat exchange system comprises a burner 301 and a main heat exchanger 302, and a main heat exchange pipeline is arranged in the main heat exchanger 302. The gas is combusted in the combustor 301 to generate high temperature flue gas, and the high temperature flue gas passes through the main heat exchanger 302 to heat water in the main heat exchange pipeline, so that the water in the heating system keeps a high temperature. The main heat exchanger 302 adopts an oxygen-free copper heat exchanger, and exchanges heat with fins through a coil pipe, so that the heat exchange efficiency is high.
The condensing heat exchanger 303 is connected to the exhaust side of the main heat exchanger 302, and the condensing heat exchange pipe 202 is provided in the condensing heat exchanger 303. High-temperature flue gas generated in the combustor 301 enters the condensing heat exchanger 303 after heat exchange through the main heat exchanger 302, and water in the condensing heat exchange pipeline 202 absorbs heat of the flue gas with waste heat in the condensing heat exchanger 303.
The plate heat exchanger 401, the bathing heat exchange pipeline and the heating heat exchange pipeline are all arranged in the plate heat exchanger 401. When the bathing function is used, the three-way valve 206 is switched to enable water in the heating system to flow into the plate heat exchanger 401, and water with higher temperature in the heating system heats the water in the bathing system in the plate heat exchanger 401 to obtain bathing water with higher temperature.
The bathing system, the heating system, the main heat exchange system, the condensing heat exchanger 303 and the plate heat exchanger 401 are all arranged in the shell 601, and the shell 601 plays a role in protection; the bathing water inlet 104, the bathing water outlet 105, the heating water inlet and the heating water outlet 208 are all arranged on the shell 601 and are respectively connected with external pipelines. The housing 601 is further provided with a gas inlet 304, and gas enters the burner 301 for combustion.
After flowing into the heating system from the heating water inlet, the heating water firstly passes through the condensing heat exchanger 303, the heat of the flue gas with the waste heat is transferred to the heating water with lower temperature through the condensing heat exchanger 303, and the heating water flows into the main heat exchanger 302 again to absorb the heat of the high-temperature flue gas. In the technology, the flue gas generated by the combustor 301 passes through the main heat exchanger 302 and the condensing heat exchanger 303 and exchanges heat with heating water twice, so that the heat exchange rate of the flue gas is improved, the energy utilization rate of the fuel gas can be improved, the efficiency level can be improved, and the consumption of the fuel gas can be reduced.
In some embodiments of the present invention, the bathing system further comprises a water storage tank 106, wherein the water storage tank 106 is disposed between the bathing heat exchange pipeline and the bathing water outlet 105. The temperature rise is high when water stops flowing due to the fact that water temperature fluctuation is large after heat exchange of the plate heat exchanger 401; in the technology, the bath water firstly enters the water storage tank 106 after passing through the plate heat exchanger 401, so that the water temperature buffering effect can be achieved, and the water temperature fluctuation is reduced.
In some embodiments of the present invention, the bathing system further comprises a bathing circulating water pump 107, and the bathing circulating water pump 107 is disposed on the water inlet side of the bathing heat exchange pipeline. The bathing circulating water pump 107 is positioned in front of the bathing heat exchange pipeline and can provide circulating power for the bathing water; before the user water, can realize preheating the bathing water in the pipeline in advance, the user can open the instant heating promptly during the water, avoids just starting the machine and appears the cold water section, can promote user experience, the water economy resource.
In some embodiments of the utility model, heating system still includes coil pipe heat transfer pipeline 209, and coil pipe heat transfer pipeline 209 is located between condensation heat transfer pipeline 202 and the main heat transfer pipeline, and coil pipe heat transfer pipeline 209 twines in combustor 301's periphery. The water in the coil heat exchange pipe 209 can absorb the heat of the outer peripheral surface of the burner 301, further improving the energy utilization rate of the fuel gas.
Further, the main heat exchange system further comprises a fan 501, the main heat exchanger 302 is arranged on the upper side of the combustor 301, the fan 501 is arranged on the upper side of the main heat exchanger 302, the fan 501 is arranged between the main heat exchanger 302 and the condensing heat exchanger 303, an air inlet of the fan 501 is connected with the main heat exchanger 302, and an air outlet of the fan 501 is connected with the condensing heat exchanger 303. The fan 501 generates negative pressure to attract the fuel gas to enter the combustor 301 for combustion, and drives the flue gas to be discharged to the condensing heat exchanger 303 through the main heat exchanger 302.
In some embodiments of the present invention, the fan 501 is a dc fan 501. The direct current fan 501 can match corresponding wind speed according to the load and the wind speed of the external environment to obtain a better combustion state, so that the combustion efficiency is improved, and the wind pressure resistance is good.
In some embodiments of the present invention, the condensing heat exchanger 303 is a stainless steel bellows heat exchanger. The stainless steel corrugated pipe heat exchanger has high heat conductivity coefficient, corrosion resistance and lower cost.
In some embodiments of the utility model, the dual-purpose type water heater of condensing still includes shell 601, and bathing system, heating system, main heat transfer system, condensation heat exchanger 303 and plate heat exchanger 401 all locate in shell 601, and bathing water inlet 104, bathing delivery port 105, heating water inlet and heating delivery port 208 all locate on shell 601. The bathing system, the heating system, the main heat exchange system, the condensing heat exchanger 303 and the plate heat exchanger 401 are all arranged in the shell 601, and the shell 601 plays a role in protection; the bathing water inlet 104, the bathing water outlet 105, the heating water inlet and the heating water outlet 208 are all arranged on the shell 601 and are respectively connected with external pipelines.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various equivalent modifications or substitutions can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (8)

1. A condensing dual-purpose water heater, comprising:
the bathing system comprises a bathing water inlet pipeline, a bathing heat exchange pipeline and a bathing water outlet pipeline which are sequentially connected, wherein a bathing water inlet is arranged at one end of the bathing water inlet pipeline far away from the bathing heat exchange pipeline, and a bathing water outlet is arranged at one end of the bathing water outlet pipeline far away from the bathing heat exchange pipeline;
the heating system comprises a main flow pipeline, the main flow pipeline comprises a heating water inlet pipeline, a condensation heat exchange pipeline and a main heat exchange pipeline which are sequentially connected, a heating water inlet is arranged at one end of the heating water inlet pipeline far away from the condensation heat exchange pipeline, the main flow pipeline is provided with a heating circulating water pump, the heating system also comprises a three-way valve, the three-way valve is provided with a first water inlet, a first water outlet and a second water outlet, the first water inlet is connected with the water outlet end of the main heat exchange pipeline, the heating system also comprises a heating water outlet pipeline, one end of the heating water outlet pipeline is connected with the first water outlet, the other end of the heating water outlet pipeline is provided with a heating water outlet, the heating system also comprises a heating heat exchange pipeline, one end of the heating heat exchange pipeline is connected with the second water outlet, and the other end of the heating heat exchange pipeline is connected with the heating water inlet pipeline;
the main heat exchange system comprises a combustor and a main heat exchanger, and the main heat exchange pipeline is arranged in the main heat exchanger;
the condensation heat exchanger is connected to the air exhaust side of the main heat exchanger, and the condensation heat exchange pipeline is arranged in the condensation heat exchanger;
the bathing heat exchange pipeline and the heating heat exchange pipeline are both arranged in the plate heat exchanger.
2. A condensing dual-purpose water heater according to claim 1, wherein the bathing system further comprises a water storage tank disposed between the bathing heat exchange pipe and the bathing water outlet.
3. A condensing dual-purpose water heater according to claim 1, wherein the bathing system further comprises a bathing circulation water pump, and the bathing circulation water pump is arranged on the water inlet side of the bathing heat exchange pipeline.
4. A condensing dual-purpose water heater according to claim 1, wherein the heating system further comprises a coil heat exchange pipe disposed between the condensing heat exchange pipe and the main heat exchange pipe, the coil heat exchange pipe being wound around the outer circumference of the burner.
5. The dual-purpose condensing water heater according to claim 1, wherein the main heat exchange system further comprises a fan, the main heat exchanger is disposed on the upper side of the burner, the fan is disposed on the upper side of the main heat exchanger, the fan is disposed between the main heat exchanger and the condensing heat exchanger, an air inlet of the fan is connected to the main heat exchanger, and an air outlet of the fan is connected to the condensing heat exchanger.
6. A condensing dual-purpose water heater according to claim 5, wherein the fan is a DC fan.
7. A condensing dual-purpose water heater according to claim 1, wherein the condensing heat exchanger is a stainless steel bellows heat exchanger.
8. A condensing dual-purpose water heater according to claim 1, further comprising a housing, wherein the bathing system, the heating system, the main heat exchange system, the condensing heat exchanger and the plate heat exchanger are all disposed in the housing, and the bathing water inlet, the bathing water outlet, the heating water inlet and the heating water outlet are all disposed on the housing.
CN202021777570.9U 2020-08-24 2020-08-24 Condensation type dual-purpose water heater Active CN212930468U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021777570.9U CN212930468U (en) 2020-08-24 2020-08-24 Condensation type dual-purpose water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021777570.9U CN212930468U (en) 2020-08-24 2020-08-24 Condensation type dual-purpose water heater

Publications (1)

Publication Number Publication Date
CN212930468U true CN212930468U (en) 2021-04-09

Family

ID=75300258

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021777570.9U Active CN212930468U (en) 2020-08-24 2020-08-24 Condensation type dual-purpose water heater

Country Status (1)

Country Link
CN (1) CN212930468U (en)

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