CN217209859U - Novel condensing gas water heater - Google Patents
Novel condensing gas water heater Download PDFInfo
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- CN217209859U CN217209859U CN202220267432.9U CN202220267432U CN217209859U CN 217209859 U CN217209859 U CN 217209859U CN 202220267432 U CN202220267432 U CN 202220267432U CN 217209859 U CN217209859 U CN 217209859U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The utility model relates to a novel condensing gas water heater, which comprises a furnace body, wherein the side part of the furnace body is provided with a gas inlet, the inside of the furnace body is provided with a smoke collecting hood, a heating chamber, a fan and a gas communicating pipe group, and the gas inlet is communicated with the gas communicating pipe group; the fuel gas communicating pipe group is at least partially arranged in the smoke collecting hood; the smoke collecting hood is arranged on one side of the heating chamber; the fan sets up on the collection petticoat pipe, and in the high-temperature gas suction collection petticoat pipe that produces the heating chamber at the during operation to preheat the gas in the gas intercommunication nest of tubes. This structure can make the gas absorb the flue gas heat in the collection petticoat pipe before the burning to reach certain temperature in advance, so that the fast combustion of gas, thereby reduce the direct circumstances that discharges of high temperature flue gas and cause the heat waste, improve the heating efficiency of gas water heater, reach energy-concerving and environment-protective purpose.
Description
Technical Field
The utility model relates to a water heater technical field specifically is a novel condensing gas water heater.
Background
The condensing gas water heater on the market at present generally comprises a combustion chamber, heat exchangers, a smoke collecting hood, a blower, a gas pipeline, a smoke pipeline, a water inlet pipeline, a water outlet pipeline and other main components, in order to obtain better heat exchange efficiency, the existing condensing gas water heater adopts two heat exchangers, the heat exchanger arranged on the combustion chamber is called a main heat exchanger, most of heat exchange is completed on the main heat exchanger, a condenser is also arranged above the smoke collecting hood as an auxiliary heat exchanger, the condenser is a hollow shell, an inner cavity is sequentially communicated with the heat collecting hood, the main heat exchanger and the combustion chamber to form a main channel of the gas smoke pipeline, the periphery of the main heat exchanger is wound with heat exchange tubes, a condensation tube is arranged in the condenser, cold water in the water inlet pipeline firstly enters the heat exchange tubes in the condenser to be preheated by residual smoke, and further exchanges heat by the heat exchange pipeline wound on the main heat exchanger after being preheated by the condenser, then hot water flows out through the water outlet pipeline. However, in actual use, part of the heat is still not effectively utilized and is wasted uselessly. Therefore, further improvements are necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel condensing gas water heater to carry out recycle to the heat of high temperature flue gas, can practice thrift partial gas, avoid the heat waste, thereby overcome the weak point among the prior art.
According to a novel condensing gas water heater of this purpose design, including the furnace body, the furnace body lateral part is provided with the gas entry, and inside is provided with collection petticoat pipe, heating chamber, fan and gas intercommunication nest of tubes, its characterized in that: the gas inlet is communicated with a gas communicating pipe group; the fuel gas communicating pipe group is at least partially arranged in the smoke collecting hood; the smoke collecting hood is arranged on one side of the heating chamber; the fan sets up on the collection petticoat pipe, and in the high-temperature gas suction collection petticoat pipe that produces the heating chamber at the during operation to preheat the gas in the gas intercommunication nest of tubes.
A burner is arranged at the side part of the heating chamber; the gas communicating pipe group comprises a first gas pipe, a gas preheating pipe and a second gas pipe which are communicated with each other; the first gas pipe is communicated with the gas inlet; the gas preheating pipe is arranged in the smoke collecting hood; the second gas pipe is connected with the burner; when the fan works, high-temperature gas generated by the heating chamber is pumped into the fume collecting hood, and the fuel gas in the fuel gas preheating pipe is preheated.
The gas preheating pipe is U-shaped, N-shaped, M-shaped or special-shaped arranged in the fume collecting hood.
A condenser is arranged in the furnace body, and a condensed water discharge port and a smoke exhaust port are arranged on the side part of the furnace body; the condenser is provided with a condensation gas path inlet, a condensation water outlet and a smoke exhaust connector.
The inlet of the condensing gas path is communicated with the air outlet of the fan; the condensed water outlet is communicated with the condensed water discharge port; the smoke exhaust connector is communicated with the smoke exhaust port.
The heating chamber is provided with a heat exchanger, and the side part of the furnace body is also provided with a hot water outlet and a cold water inlet.
The condenser is also provided with a waterway inlet and a waterway outlet; the water channel inlet is communicated with the cold water inlet, and the water channel outlet is communicated with the water inlet channel of the heat exchanger; the water outlet path of the heat exchanger is communicated with the hot water outlet.
A gas proportional valve is arranged between the first gas pipe and the gas inlet, and the first gas pipe and the gas inlet are communicated through the gas proportional valve.
A waterway ball valve and a flow sensor are also sequentially arranged between the cold water inlet and the waterway inlet of the condenser.
The furnace body is also internally provided with a controller which is respectively connected with the fan, the gas proportional valve, the water path ball valve and the flow sensor in an electric control way.
The utility model discloses be provided with the collection petticoat pipe of taking the fan on one side of the heating chamber, set up at least part of gas intercommunication nest of tubes simultaneously in the collection petticoat pipe, make the fan in the high-temperature gas suction collection petticoat pipe that the during operation can produce the heating chamber, and preheat the gas of gas intercommunication nest of tubes, make the gas absorb the flue gas heat in the collection petticoat pipe before the burning, and reach certain temperature in advance, so that the fast combustion of gas, thereby reduce the direct circumstances that causes the thermal waste of emission of high temperature flue gas, improve the heating efficiency of gas water heater, reach energy-concerving and environment-protective purpose.
In summary, the water heater has the characteristics of simple and reasonable structure, low manufacturing cost, high heating efficiency, energy conservation, environmental protection and the like, can be widely applied to occasions with large hot water demand, such as dish washing operation pipelines or hotels, and has wide application range, a temperature adjusting range of 30-85 degrees, which meets the use demands of most hot water, and strong practicability.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic front view of an embodiment of the present invention.
Fig. 3 is a schematic left side structure diagram according to an embodiment of the present invention.
Fig. 4 is a right side schematic view of an embodiment of the present invention.
Fig. 5 is a schematic view of an assembly structure of the smoke collecting hood and the gas preheating pipe according to an embodiment of the present invention.
Fig. 6 is a schematic view of a gas preheating pipe structure according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-6, the novel condensing gas water heater comprises a furnace body 14, wherein a gas inlet 5 is arranged on the side part of the furnace body 14, and a smoke collecting hood 1, a heating chamber 2, a fan 16 and a gas communicating pipe group are arranged inside the furnace body; the gas inlet 5 is communicated with a gas communicating pipe group; the fuel gas communicating pipe group is at least partially arranged in the smoke collecting hood 1; the fume collecting hood 1 is arranged on one side of the heating chamber 2; the fan 16 is arranged on the fume collecting hood 1, and pumps high-temperature gas generated by the heating chamber 2 into the fume collecting hood 1 during operation, and preheats the fuel gas in the fuel gas communicating pipe group.
This embodiment is provided with collection petticoat pipe 1 of taking fan 16 in heating chamber 2 one side, set up at least part of gas intercommunication nest of tubes in collection petticoat pipe 1 simultaneously, make fan 16 can be with the high-temperature gas suction collection petticoat pipe 1 that heating chamber 2 produced at the during operation, and preheat the gas in the gas intercommunication nest of tubes, make the gas absorb the flue gas heat in collection petticoat pipe 1 before the burning, and reach certain temperature in advance, so that the fast combustion of gas, thereby reduce the direct condition that causes the heat waste of discharging of high temperature flue gas, improve the heating efficiency of gas hot-water furnace, reach energy-concerving and environment-protective purpose.
Specifically, the side of the heating chamber 2 is provided with a burner 3; the fuel gas communicating pipe group comprises a first fuel gas pipe 17, a fuel gas preheating pipe 18 and a second fuel gas pipe 19 which are communicated with each other; the first gas pipe 17 is communicated with the gas inlet 5; the gas preheating pipe 18 is arranged in the fume collecting hood 1; the second gas pipe 19 is connected with the burner 3; the fan 16 is operated to draw high-temperature gas generated in the heating chamber 2 into the smoke collecting hood 1 and preheat gas in the gas preheating pipe 18.
In order to increase the contact area between the gas preheating pipe 18 and the high-temperature flue gas in the fume collecting hood 1, the gas preheating pipe 18 is arranged in the fume collecting hood 1 in a U-shaped, N-shaped, M-shaped or special-shaped manner. The preferred gas preheating pipe 18 of this embodiment is the U-shaped dish and establishes in collection petticoat pipe 1, and U-shaped gas preheating pipe 18 can improve the area of contact with the high temperature flue gas on the basis of rational utilization collection petticoat pipe 1 inner space to make the gas in the gas preheating pipe 18 can preheat fast.
Further, a condenser 13 is arranged in the furnace body 14, and a condensed water discharge port 11 and a smoke discharge port 15 are arranged on the side part; the condenser 13 is provided with a condensation gas path inlet, a condensation water outlet and a smoke exhaust connector.
The inlet of the condensation gas path is communicated with the air outlet of the fan 16; the condensed water outlet is communicated with a condensed water discharge port 11; the smoke exhaust connecting port is communicated with the smoke exhaust port 15.
The heating chamber 2 is provided with a heat exchanger 12, and the side part of the furnace body 14 is also provided with a hot water outlet 4 and a cold water inlet 8.
The condenser 13 is also provided with a waterway inlet and a waterway outlet; the inlet of the water channel is communicated with the cold water inlet 8, and the outlet of the water channel is communicated with the water inlet channel of the heat exchanger 12; the water outlet path of the heat exchanger 12 communicates with the hot water outlet 4.
A gas proportional valve 6 is arranged between the first gas pipe 17 and the gas inlet 5, and the first gas pipe and the gas inlet are communicated through the gas proportional valve 6.
A waterway ball valve 9 and a flow sensor 10 are also sequentially arranged between the cold water inlet 8 and the waterway inlet of the condenser 13.
The furnace body 14 is also internally provided with a controller 7, and the controller 7 is electrically connected with the fan 16, the gas proportional valve 6, the waterway ball valve 9 and the flow sensor 10 respectively, so that the rotation of the fan 16, the gas inlet amount of the gas proportional valve 6, the opening and closing of the waterway ball valve 9 and the induction of the flow sensor 10 to the water inlet amount are realized respectively.
The working process is as follows:
after the gas water heater is started, cold water enters from the cold water inlet 8, the machine automatically opens the waterway ball valve 9, water flows into the condenser 13 after passing through the flow sensor 10, then flows through the heat exchanger 12, heat exchange is carried out, and then the water is discharged from the hot water outlet 4.
In the process of the water path flowing, the flow sensor 10 senses the water amount, that is, after water flows through the flow sensor 10, when the flow rate is greater than 3.5L/min, the controller 7 controls the fan 16 to operate, and simultaneously opens the gas proportional valve 6, gas enters the gas proportional valve 6 from the gas inlet 5, and enters the first gas pipe 17 after the adjustment of the gas entering amount is completed through the gas proportional valve 6, and then enters the gas preheating pipe 18, and then enters the second gas pipe 19 to be combusted on the combustor 3, high temperature generated during gas combustion can form a large amount of heat in the heating chamber 2, and heat the heat exchanger 12, and at this time, the heat exchanger 12 can exchange heat with cold water, so that hot water is required, and the hot water is discharged from the hot water outlet 4.
A large amount of heat is formed in the heating chamber 2, and is simultaneously pumped into the smoke collecting hood 1 under the suction action of the fan 16, the gas preheating pipe 18 is heated, so that gas in the gas preheating pipe 18 is preheated, then the gas is conveyed into the condenser 13 through the fan 16, high-temperature flue gas in the condenser 13 and cold water in the condenser pipe 13 are subjected to condensation action, finally low-temperature flue gas is formed and is discharged through the smoke discharge port 15, and generated condensate water is discharged from the condensate water discharge port 11.
Compared with the prior art, the method has the following advantages:
firstly, the gas in the gas preheating pipe 18 is preheated by using the high-temperature flue gas, so that the heat of the high-temperature flue gas is fully absorbed, and the machine efficiency is improved.
Secondly, the machine forms various heat exchanges by using the cooperation of the heat exchanger 12 and the condenser 13, and condensation heat recovery is carried out, so that the efficiency of the machine is further improved, the energy efficiency reaches 99 percent, and the first-level energy efficiency is achieved.
Thirdly, the highest temperature of the smoke is only 65 ℃ when the smoke is discharged from the smoke outlet 15, and the use is safe.
Fourthly, the waterway ball valve 9 can automatically cut off water flow according to the working condition of the machine, and the use is convenient.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a novel condensing gas water heater, includes furnace body (14), furnace body (14) lateral part is provided with gas inlet (5), and inside is provided with collection petticoat pipe (1), heating chamber (2), fan (16) and gas intercommunication nest of tubes, its characterized in that: the gas inlet (5) is communicated with a gas communicating pipe group; the fuel gas communicating pipe group is at least partially arranged in the smoke collecting hood (1); the smoke collecting hood (1) is arranged on one side of the heating chamber (2); the fan (16) is arranged on the fume collecting hood (1), and pumps high-temperature gas generated by the heating chamber (2) into the fume collecting hood (1) during working, and preheats fuel gas in the fuel gas communicating pipe group.
2. The novel condensing gas water heater of claim 1, characterized in that: a burner (3) is arranged at the side part of the heating chamber (2); the gas communication pipe group comprises a first gas pipe (17), a gas preheating pipe (18) and a second gas pipe (19) which are communicated with each other; the first gas pipe (17) is communicated with the gas inlet (5); the gas preheating pipe (18) is arranged in the fume collecting hood (1); the second gas pipe (19) is connected with the combustor (3); when the fan (16) works, high-temperature gas generated by the heating chamber (2) is pumped into the fume collecting hood (1), and gas in the gas preheating pipe (18) is preheated.
3. The novel condensing gas water heater of claim 2, characterized in that: the gas preheating pipe (18) is arranged in the smoke collecting hood (1) in a U shape, an N shape, an M shape or a special-shaped disc.
4. The novel condensing gas water heater of claim 2, characterized in that: a condenser (13) is arranged in the furnace body (14), and a condensed water discharge port (11) and a smoke exhaust port (15) are arranged on the side part of the furnace body; the condenser (13) is provided with a condensation gas path inlet, a condensation water outlet and a smoke exhaust connector;
the inlet of the condensing gas path is communicated with the air outlet of the fan (16); the condensed water outlet is communicated with a condensed water discharge port (11); the smoke exhaust connecting port is communicated with the smoke exhaust port (15).
5. The novel condensing gas water heater of claim 4, characterized in that: a heat exchanger (12) is arranged on the heating chamber (2), and a hot water outlet (4) and a cold water inlet (8) are also arranged at the side part of the furnace body (14);
the condenser (13) is also provided with a waterway inlet and a waterway outlet; the inlet of the water path is communicated with the cold water inlet (8), and the outlet of the water path is communicated with the water inlet path of the heat exchanger (12); the water outlet path of the heat exchanger (12) is communicated with the hot water outlet (4).
6. The novel condensing gas water heater of claim 5, characterized in that: a gas proportional valve (6) is arranged between the first gas pipe (17) and the gas inlet (5), and the first gas pipe and the gas inlet are communicated through the gas proportional valve (6);
a waterway ball valve (9) and a flow sensor (10) are also sequentially arranged between the cold water inlet (8) and the waterway inlet of the condenser (13).
7. The novel condensing gas water heater of claim 6, characterized in that: a controller (7) is also arranged in the furnace body (14), and the controller (7) is electrically connected with the fan (16), the fuel gas proportional valve (6), the waterway ball valve (9) and the flow sensor (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220267432.9U CN217209859U (en) | 2022-02-09 | 2022-02-09 | Novel condensing gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220267432.9U CN217209859U (en) | 2022-02-09 | 2022-02-09 | Novel condensing gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217209859U true CN217209859U (en) | 2022-08-16 |
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ID=82796462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220267432.9U Active CN217209859U (en) | 2022-02-09 | 2022-02-09 | Novel condensing gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217209859U (en) |
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2022
- 2022-02-09 CN CN202220267432.9U patent/CN217209859U/en active Active
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