CN209877392U - Energy-saving gas module furnace of condensation heat exchange - Google Patents
Energy-saving gas module furnace of condensation heat exchange Download PDFInfo
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- CN209877392U CN209877392U CN201920318167.0U CN201920318167U CN209877392U CN 209877392 U CN209877392 U CN 209877392U CN 201920318167 U CN201920318167 U CN 201920318167U CN 209877392 U CN209877392 U CN 209877392U
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Abstract
The utility model discloses an energy-saving gas module furnace of condensation heat exchange, which comprises a gas water heater main body, wherein a water inlet pipe connected with an outlet of a water pump in the gas water heater main body is communicated with the upper end position of a water storage inner bin of an expansion water tank, the lower end of the expansion water tank is externally connected with a water delivery pipe provided with a vacuum pump and is communicated with a water inlet of a stainless steel heat exchanger, a self-closing smoke baffle plate is arranged in a flue of a smoke overheat protector, a flue at the lower end of the self-closing smoke baffle plate is externally connected with a smoke return pipe and is communicated with the water storage inner bin of the expansion water; the utility model discloses utilize the higher flue gas of gas hot-water boiler main part exhaust temperature to carry out the heat exchange to the lower raw water of temperature in sending into expansion tank through the flue gas back flow and send into after preheating and carry out the gas and heat, shorten heating time greatly, the flue gas after the cooling is discharged by discharging fume the pipe entering flue, collects the secondary condensation utilization to flue gas heat energy heat transfer latent heat, and is energy-conserving and environmental protection, improvement energy consumption utilization ratio.
Description
Technical Field
The utility model relates to an energy-saving gas module stove of condensation heat exchange.
Background
In recent years, the consumption of natural gas is continuously increased, how to reduce the waste gas generated after the combustion of the gas and reduce the threat of severe environmental factors such as haze weather, water resource pollution, greenhouse effect and the like to the health of human beings is reduced, and the natural gas consumption also becomes a basic idea for the design and development of gas appliance products. However, most of burners of the conventional gas wall-mounted boiler are atmospheric burners, heat energy is discharged after being used once, the heat energy utilization rate is low, the loss is high, the exhaust emission is high, and the exhaust pollution is large.
Heating is necessary in winter, the national policy of 'changing coal into gas' comes down, the wall-mounted boiler enters every family to become a well-known household appliance, the gas of the common wall-mounted boiler is combusted, the combusted smoke is directly discharged, and the temperature of the smoke is about 150-200 ℃; also resulting in a large amount of heat energy lost and wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an energy-saving gas module furnace with condensation heat exchange, which comprises a gas water heater main body, a primary flue, an exhaust flue, a heat exchange water tank, a water inlet pipe and a high-temperature waste gas return pipe, wherein the other end of the primary flue connected with the upper end of the gas water heater main body is communicated with the heat exchange water tank, the primary flue is externally connected with the air inlet of another high-temperature waste gas return pipe air filter, the exhaust flue is also connected with the heat exchange water tank, the primary water inlet pipe of the heat exchange water tank is communicated with the water inlet of a water replenishing valve at the lower end of a water pump in the gas water heater main body, the flue gas with higher temperature discharged from the gas water heater main body is sent into an expansion water tank through the flue gas return pipe to exchange and preheat the raw water with lower temperature, the heating time, the heat exchange latent heat of the flue gas heat energy is collected for secondary condensation and utilization, so that the energy is saved, the environment is protected, and the energy consumption utilization rate is improved.
In order to achieve the purpose, the utility model provides an energy-saving gas module furnace of condensation heat exchange, which comprises a self-closing smoke baffle plate, a flue gas backflow pipe, a smoke exhaust pipe, a water inlet pipe, a vacuum pump, a water delivery pipe and a gas water heater main body, wherein the water inlet pipe connected with the outlet of the water pump in the gas water heater main body is communicated with the upper end position of the water storage inner bin of an expansion water tank;
a smoke overheating protector is arranged at the upper end of the stainless steel heat exchanger externally provided with the fire detection needle and is connected with an external primary flue; the stainless steel heat exchanger is internally provided with a burner and an ignition needle which is associated with the burner;
an air pipe externally connected with the stainless steel heat exchanger is connected with a fan, an air filter is arranged at an air inlet of the fan, the fan is connected with a main controller, and a gas valve is arranged on a gas pipeline connected with the main controller;
a water pump is arranged in the gas water heater main body, a safety relief valve and a water flow sensor are arranged at the water outlet of the water pump, a pipeline is arranged at the water outlet of the water pump and connected with a stainless steel heat exchanger, and a heating return water NTC is arranged at the joint;
the gas water heater is characterized in that a three-way reversing motor is arranged in the gas water heater main body, a pipeline externally connected with a water inlet of the three-way reversing motor is connected with a hot water outlet of stainless steel heat exchange, an overheating protector and a heating water outlet NTC are arranged at the connecting end, a water pressure switch and the hot water NTC are respectively arranged at a water outlet of the three-way reversing motor, the three-way reversing motor is externally connected with a plate heat exchanger, and a water pressure gauge is arranged at the water;
a water seal communicated with a stainless steel heat exchanger through a pipeline is arranged in the gas water heater main body;
an expansion water tank is arranged in the gas water heater main body, and the expansion water tank is provided with a pipeline communicated with a water pump.
The utility model has the advantages that: the utility model discloses utilize the higher flue gas of gas hot-water boiler main part exhaust temperature to carry out the heat exchange to the lower raw water of temperature in sending into expansion tank through the flue gas back flow and send into after preheating and carry out the gas and heat, shorten heating time greatly, the flue gas after the cooling is discharged by discharging fume the pipe entering flue, collects the secondary condensation utilization to flue gas heat energy heat transfer latent heat, and is energy-conserving and environmental protection, improvement energy consumption utilization ratio.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is an internal structure view of the gas-fired water heater main body of fig. 1.
In the figure: the device comprises a flue gas overheating protector 1, a stainless steel heat exchanger 2, a fire detection needle 3, an overheating protector 4, heating water outlet NTC5, an air filter 6, a three-way reversing motor 7, a water pressure switch 8, a water seal 9, hot water NTC10, a water pressure gauge 11, an expansion water tank 12, a combustor 13, an ignition needle 14, heating water return NTC15, a fan 16, a plate type heat exchanger 17, a safety relief valve 18, a water flow sensor 19, a water pump 20, a main controller 21, a water supplementing valve 22, a gas valve 23, a self-closing smoke baffle plate 24, a flue gas return pipe 25, a smoke exhaust pipe 26, a water inlet pipe 27, a vacuum pump 28, a water pipe 29 and a.
Detailed Description
As shown in fig. 1: the technical proposal of the utility model is further specified, the energy-saving gas module furnace of condensation heat exchange comprises a self-closing smoke baffle plate 24, a flue gas reflux pipe 25, a smoke exhaust pipe 26, a water inlet pipe 27, a vacuum pump 28, a water delivery pipe 29 and a gas water heater main body 30, a water inlet pipe 27 connected with an outlet of a water pump 20 in the gas water heater main body 30 is communicated with the upper end position of a water storage inner bin of the expansion water tank 12, the lower end of the expansion water tank 12 is externally connected with a water delivery pipe 29 provided with a vacuum pump 28 and communicated with a water inlet of the stainless steel heat exchanger 2, a smoke outlet of the stainless steel heat exchanger 2 is provided with a smoke overheating protector 1, a self-closing smoke baffle plate 24 is arranged in a smoke flue of the smoke overheating protector 1, a smoke flue at the lower end of the self-closing smoke baffle plate 24 is externally connected with a smoke return pipe 25 and communicated with the water storage inner bin of the expansion water tank 12, and a smoke exhaust pipe 26 externally connected with the;
as shown in fig. 2: the stainless steel heat exchanger 2 is arranged in the gas water heater main body 30, and the upper end of the stainless steel heat exchanger 2 externally provided with the fire detection needle 3 is provided with the smoke overheating protector 1 and is communicated with an external primary flue; the stainless steel heat exchanger 2 is internally provided with a burner 13 and an ignition needle 14 associated therewith; the structure can ignite the water in the hot water furnace with fuel gas to heat and raise the temperature; the external wind pipe of stainless steel heat exchanger 2 is connected fan 16, and air cleaner 6 is established to the air intake of fan 16, filters the required oxygen impurity of burning, and main controller 21 is connected to fan 16, establishes gas valve 23 on the gas pipeline that main controller 21 connects and controls and gas firepower and adjustment.
A water pump 20 is arranged in the gas water heater main body 30, a safety pressure relief valve 18 and a water flow sensor 19 are arranged at the water outlet of the water pump 20, a pipeline is arranged at the water outlet of the water pump 20 and connected with the stainless steel heat exchanger 2, and a heating return water NTC15 is arranged at the joint; the water to be burnt and heated is pressurized, water flow detection and pressure relief detection are carried out, and a thermistor is arranged for detecting the internal temperature.
The gas water heater main body 30 is internally provided with a three-way reversing motor 7, a pipeline externally connected with a water inlet of the three-way reversing motor 7 is connected with a hot water outlet of the stainless steel heat exchanger 2, the connecting end is provided with an overheating protector 4 and a heating water outlet NTC5, a water outlet of the three-way reversing motor 7 is respectively provided with a water pressure switch 8 and a hot water NTC10, the three-way reversing motor 7 is externally connected with a plate heat exchanger 17, and a water outlet is provided with a water pressure gauge 11; the water heater is favorable for multi-directional hot water delivery, achieves the function of reversing delivery, and is provided with the thermistor for detecting the internal temperature.
A water seal 9 communicated with the stainless steel heat exchanger 2 through a pipeline is arranged in the gas water heater main body 30;
the gas water heater main body 30 is internally provided with an expansion water tank 12, the expansion water tank 12 is provided with a pipeline communicated with a water pump 20, and a water inlet of the water pump 20 is externally connected with a water supplementing valve 22.
This technical scheme utilizes the higher flue gas of gas hot-water boiler main part exhaust temperature to send into expansion tank 12 through flue gas back flow 25 in the lower raw water of temperature carries out heat energy exchange and preheats the back and send into and carry out the gas and heat, shortens the heating time greatly, and the flue gas after the cooling gets into the flue by exhaust pipe 26 and discharges, collects the secondary condensation utilization to flue gas heat energy heat transfer latent heat, and is energy-conserving and environmental protection, improvement energy consumption utilization ratio.
In the application, the raw water heated by the waste heat and the latent heat of the flue gas absorbs the heat energy in the flue gas, the temperature is correspondingly raised, and then the raw water is sent into the gas water heater main body 30 to be further heated by the fuel gas, and in a similar mode, the heat energy in the flue gas can be recycled to primarily heat the raw water and then send the raw water into the gas water heater main body 30 to be heated by the fuel gas, so that the heating and warming time is greatly shortened, the energy consumption and the exhaust emission are reduced, the recycling of the heat energy is greatly utilized, and the energy waste is reduced.
The condensation technology of the technical scheme fully utilizes flue gas after combustion at the temperature of 150-200 ℃ to preheat water which is just fed in, the temperature of flue gas discharged after condensation is 30-50 ℃ approximately, the preheated water is heated for the second time, and the required temperature can be heated by only a small amount of heat.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (1)
1. Energy-saving gas module stove of condensation heat exchange, its characterized in that: comprises a gas water heater main body (30), a self-closing smoke baffle plate (24), a smoke return pipe (25) and a smoke exhaust pipe (26) are arranged in the gas water heater main body (30), the device comprises a water inlet pipe (27), a vacuum pump (28) and a water delivery pipe (29), wherein the water inlet pipe (27) connected with an outlet of a water pump (20) is communicated with the upper end position of a water storage inner bin of an expansion water tank (12), the lower end of the expansion water tank (12) is externally connected with the water delivery pipe (29) provided with the vacuum pump (28) and communicated with a water inlet of a stainless steel heat exchanger (2), a smoke outlet of the stainless steel heat exchanger (2) is provided with a smoke overheating protector (1), a self-closing smoke baffle (24) is arranged in a smoke flue of the smoke overheating protector (1), a smoke flue at the lower end of the self-closing smoke baffle (24) is externally connected with a smoke return pipe (25) and communicated with the water storage inner bin of the expansion water tank (12), and a smoke exhaust pipe (26);
a stainless steel heat exchanger (2) is arranged in the gas water heater main body (30), and a smoke overheating protector (1) is arranged at the upper end of the stainless steel heat exchanger (2) externally provided with a fire detection needle (3) and is communicated with an external primary flue; the stainless steel heat exchanger (2) is internally provided with a burner (13) and an ignition needle (14) which is associated with the burner;
an air pipe externally connected with the stainless steel heat exchanger (2) is connected with a fan (16), an air filter (6) is arranged at an air inlet of the fan (16), the fan (16) is connected with a main controller (21), and a gas valve (23) is arranged on a gas pipeline connected with the main controller (21);
a water pump (20) is arranged in the gas water heater main body (30), a safety relief valve (18) and a water flow sensor (19) are arranged at the water outlet of the water pump (20), a pipeline is arranged at the water outlet of the water pump (20) and is connected with the stainless steel heat exchanger (2), and a heating return water NTC (15) is arranged at the joint;
the gas water heater is characterized in that a three-way reversing motor (7) is arranged in the gas water heater main body (30), a pipeline externally connected with a water inlet of the three-way reversing motor (7) is connected with a hot water outlet of the stainless steel heat exchanger (2), the connecting end is provided with an overheat protector (4) and a heating water outlet NTC (5), a water outlet of the three-way reversing motor (7) is respectively provided with a water pressure switch (8) and a hot water NTC (10), the three-way reversing motor (7) is externally connected with a plate type heat exchanger (17), and a water pressure gauge (11) is arranged;
a water seal (9) communicated with the stainless steel heat exchanger (2) through a pipeline is arranged in the gas water heater main body (30);
an expansion water tank (12) is arranged in the gas water heater main body (30), and the expansion water tank (12) is provided with a pipeline communicated with a water pump (20);
and a water inlet of the water pump (20) is externally connected with a water replenishing valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318167.0U CN209877392U (en) | 2019-03-14 | 2019-03-14 | Energy-saving gas module furnace of condensation heat exchange |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920318167.0U CN209877392U (en) | 2019-03-14 | 2019-03-14 | Energy-saving gas module furnace of condensation heat exchange |
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| CN209877392U true CN209877392U (en) | 2019-12-31 |
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| CN201920318167.0U Active CN209877392U (en) | 2019-03-14 | 2019-03-14 | Energy-saving gas module furnace of condensation heat exchange |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021239013A1 (en) * | 2020-05-26 | 2021-12-02 | 芜湖美的厨卫电器制造有限公司 | Smoke baffle plate for heat exchanger, heat exchanger assembly, and gas water heater |
-
2019
- 2019-03-14 CN CN201920318167.0U patent/CN209877392U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021239013A1 (en) * | 2020-05-26 | 2021-12-02 | 芜湖美的厨卫电器制造有限公司 | Smoke baffle plate for heat exchanger, heat exchanger assembly, and gas water heater |
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