CN211781934U - Low-nitrogen wall-mounted furnace - Google Patents
Low-nitrogen wall-mounted furnace Download PDFInfo
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- CN211781934U CN211781934U CN201921884893.5U CN201921884893U CN211781934U CN 211781934 U CN211781934 U CN 211781934U CN 201921884893 U CN201921884893 U CN 201921884893U CN 211781934 U CN211781934 U CN 211781934U
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- heat exchanger
- heating water
- fixedly connected
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- way valve
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Abstract
The utility model is suitable for a hanging stove technical field provides a low-nitrogen hanging stove, including heat transfer assembly, water supply subassembly and oxygen suppliment subassembly, heat transfer assembly includes casing, hangers, hanging hole, combustor, water tank, gas proportional control valve and heat exchanger, the hangers with casing fixed connection, just the hangers sets up two, two the hangers is located respectively the one end both sides of casing, the hanging hole is seted up in the inner chamber of hangers, the combustor with casing fixed connection, and the combustor is located the inner chamber of casing; set up wind pressure switch, fan and gas proportion control valve for the entering volume of gas can be controlled to gas proportion control valve, and the air volume of discharging when wind pressure switch and fan cooperation work can be controlled the combustor burning, and then the proportion that makes the air of discharging and gas just in time enables the gas and fully burns, effectively reduces the well nitrogen oxide's of gas burning back flue gas content.
Description
Technical Field
The utility model belongs to the technical field of the hanging stove, especially, relate to a low nitrogen hanging stove.
Background
Although the wall-hanging stove technology is generated in europe and germany, the domestic wall-hanging stove technology is not much different from the international advanced level along with the development of the years. The wall-mounted furnaces in the market are mainly divided into two types, namely common wall-mounted furnaces and condensing wall-mounted furnaces.
The wall-hanging stove of the common combustion technology adopts a proportional control burner, namely a proportional control mode that the gas quantity is adjustable and the air intake is unadjustable, so that the gas and the air can not reach the mixing ratio of complete combustion constantly, the excess air coefficient is higher under the condition of partial load, the heat loss brought away by the flue gas is larger, the pollutant emission index is higher, and the heat efficiency is lower under the working condition of partial load than full load.
SUMMERY OF THE UTILITY MODEL
The utility model provides a low nitrogen hanging stove aims at solving the higher problem of nitrogen oxide content in the flue gas after traditional hanging stove gas combustion.
The utility model is realized in such a way, a low-nitrogen wall-mounted furnace comprises a heat exchange component, a water supply component and an oxygen supply component, wherein the heat exchange component comprises a shell, a hanging lug, a hanging hole, a burner, a water tank, a gas proportion regulating valve and a heat exchanger, the hanging lug is fixedly connected with the shell, the hanging lug is provided with two hanging lugs, the two hanging lugs are respectively positioned at two sides of one end of the shell, the hanging hole is arranged in the inner cavity of the hanging lug, the burner is fixedly connected with the shell, the burner is positioned in the inner cavity of the shell, the heat exchanger is fixedly connected with the shell, the heat exchanger is positioned at the output end of the burner, the water tank is fixedly connected with the shell, the water tank is positioned at one side of the heat exchanger, the water tank is fixedly connected with the input end of the heat exchanger, the gas proportion regulating valve is fixedly connected with the input end of the burner, the gas proportion regulating valve is positioned on one side of the burner, which is far away from the heat exchanger;
the water supply and outlet assembly comprises a three-way valve, a heating water pressure switch, a heating water pressure gauge, a heating water circulating pump, a water flow sensor, a plate-type heat exchanger and a safety valve, the three-way valve is fixedly connected with the shell, the three-way valve is positioned at one side of the burner far away from the heat exchanger, the three-way valve is communicated with the input end of the heat exchanger, the heating water pressure switch is fixedly connected with the three-way valve, the heating water pressure switch is positioned at one side pipe orifice of the three-way valve, the heating water pressure gauge is fixedly connected with the heating water pressure switch, the heating water pressure gauge is positioned at one side of the heating water pressure switch far away from the three-way valve, the heating water circulating pump is fixedly connected with the heating water pressure gauge, and the heating water circulating pump is positioned at one end of the heating water pressure gauge, the safety valve is fixedly connected with the water flow sensor, the safety valve is positioned between the water flow sensor and the heating water pressure gauge, the plate heat exchanger is fixedly connected with the shell, the plate heat exchanger is positioned in an inner cavity of the shell, the input end of the plate heat exchanger is connected with the heating water pressure gauge and the flue gas outlet end of the burner, and the output end of the plate heat exchanger is fixedly connected with the water tank;
the apparatus for supplying oxygen comprises an oxygen supply assembly, a combustor, a blower and a combustor, wherein the oxygen supply assembly comprises a wind pressure switch and a blower, the blower is fixedly connected with the shell, the blower is located in an inner cavity of the shell, an output end of the blower is fixedly connected with the combustor, the wind pressure switch is fixedly connected with the blower, and the wind pressure switch is located at an input end of the blower.
Preferably, the heat exchange assembly further comprises an ignition needle, the ignition needle is fixedly connected with the shell, and the hanging hole is located at the output end of the hanging lug.
Preferably, the heat exchange assembly further comprises a temperature sensor, the temperature sensor is fixedly connected with the heat exchanger, and the temperature sensor is located at the output end of the heat exchanger.
Preferably, the water supply assembly further comprises a bath water NTC and a heating water NTC, the bath water NTC is fixedly connected with the three-way valve, the bath water NTC is located at a pipe orifice at one side of the three-way valve, the heating water NTC is fixedly connected with the three-way valve and the heat exchanger, and the heating water NTC is located between the three-way valve and the output end of the heat exchanger.
Preferably, the water supply and discharge assembly further comprises a water flow sensor, the water flow sensor is fixedly connected with the heating water circulating pump, and the water flow sensor is positioned between the heating water circulating pump and the heating water pressure gauge
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a low nitrogen hanging stove through setting up wind pressure switch, fan and gas proportional control valve for the entering volume of gas can be controlled to gas proportional control valve, the air volume of discharging when wind pressure switch and fan cooperation during operation can control the combustor burning, and then the proportion that makes the air of discharging and gas just in time enables the gas fully to burn, effectively reduces the well nitrogen oxide's of gas burning back flue gas content.
Drawings
Fig. 1 is a structural sectional view of the present invention.
In the figure: 1-heat exchange component, 11-shell, 12-ear, 13-hanging hole, 14-burner, 15-ignition needle, 16-water tank, 17-gas proportion adjusting valve, 18-heat exchanger, 19-temperature sensor, 2-water supply and discharge component, 21-three-way valve, 22-bath water NTC, 23-heating water pressure switch, 24-heating water pressure gauge, 25-heating water circulating pump, 26-water flow sensor, 27-plate heat exchanger, 28-safety valve, 29-heating water NTC, 3-oxygen supply component, 31-wind pressure switch and 32-fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present invention provides a technical solution: a low-nitrogen wall-mounted boiler comprises a heat exchange assembly 1, a water supply and outlet assembly 2 and an oxygen supply assembly 3, wherein the heat exchange assembly 1 comprises a shell 11, a hanging lug 12, a hanging hole 13, a burner 14, a water tank 16, a fuel gas proportion regulating valve 17 and a heat exchanger 18, the hanging lug 12 is fixedly connected with the shell 11, two hanging lugs 12 are arranged, the two hanging lugs 12 are respectively positioned at two sides of one end of the shell 11, the hanging hole 13 is arranged in the inner cavity of the hanging lug 12, the burner 14 is fixedly connected with the shell 11, and the burner 14 is positioned in the inner cavity of the shell 11, the heat exchanger 18 is fixedly connected with the shell 11, and the heat exchanger 18 is located at the output end of the burner 14, the water tank 16 is fixedly connected with the housing 11, the water tank 16 is positioned at one side of the heat exchanger 18, the water tank 16 is fixedly connected with the input end of the heat exchanger 18, the gas proportion regulating valve 17 is fixedly connected with the input end of the combustor 14, and the gas proportion regulating valve 17 is positioned at one side of the combustor 14 far away from the heat exchanger 18;
the water supply and output assembly 2 comprises a three-way valve 21, a heating water pressure switch 23, a heating water pressure gauge 24, a heating water circulating pump 25, a water flow sensor 26, a plate heat exchanger 27 and a safety valve 28, the three-way valve 21 is fixedly connected with the shell 11, the three-way valve 21 is positioned at one side of the burner 14 far away from the heat exchanger 18, the three-way valve 21 is communicated with the input end of the heat exchanger 18, the heating water pressure switch 23 is fixedly connected with the three-way valve 21, the heating water pressure switch 23 is positioned at the pipe orifice at one side of the three-way valve 21, the heating water pressure gauge 24 is fixedly connected with the heating water pressure switch 23, the heating water pressure gauge 24 is positioned at one side of the heating water pressure gauge 24 far away from the heating water pressure switch 23, the heating water circulating pump 25 is fixedly connected with the heating water pressure gauge 24, the safety valve 28 is fixedly connected with, the safety valve 28 is positioned between the water flow sensor 26 and the heating water pressure meter 24, the plate heat exchanger 27 is fixedly connected with the shell 11, the plate heat exchanger 27 is positioned in the inner cavity of the shell 11, the input end of the plate heat exchanger 27 is connected with the heating water pressure meter 24 and the flue gas outlet end of the burner 14, and the output end of the plate heat exchanger 27 is fixedly connected with the water tank 16;
the oxygen supply assembly 3 comprises a wind pressure switch 31 and a fan 32, the fan 32 is fixedly connected with the shell 11, the fan 32 is positioned in the inner cavity of the shell 11, the output end of the fan 32 is fixedly connected with the combustor 14, the wind pressure switch 31 is fixedly connected with the fan 32, and the wind pressure switch 31 is positioned at the input end of the fan 32.
In the embodiment, by arranging the burner 14, the heating water circulating pump 25, the water tank 16 and the heat exchanger 18, when the heating water circulating pump 25 works, cold water to be heated can be pumped into the inner cavity of the water tank 16, and then is discharged into the inner cavity of the heat exchanger 18 through the water tank 16, and simultaneously, when the burner 14 is switched on by gas and is ignited, heat generated by gas combustion can be transferred to cold water flowing in the inner cavity of the heat exchanger 18 through the heat exchanger 18, so that the cold water is heated, by arranging the wind pressure switch 31, the fan 32 and the gas proportion regulating valve 17, the gas proportion regulating valve 17 can control the inlet amount of gas, and when the wind pressure switch 31 and the fan 32 work in a matching way, the air amount (namely oxygen amount) discharged during combustion of the burner 14 can be controlled, so that the proportion of discharged air and gas just enables the gas to be fully combusted, and the content of nitrogen oxides, through setting up plate heat exchanger 27 for the flue gas that produces during the burning can pass through plate heat exchanger 27, and the cold water that heating water circulating pump 25 extracted to 16 inner chambers of water tank simultaneously also passes through heating water circulating pump 25, thereby has effectively utilized the heat in the flue gas.
Further, the heat exchange assembly 1 further comprises an ignition needle 15, the ignition needle 15 is fixedly connected with the shell 11, and the hanging hole 13 is located at the output end of the hanging lug 12.
In the present embodiment, the ignition pin 15 is provided to ignite the gas, operate the burner 14, and heat the cold water.
Further, the heat exchange assembly 1 further comprises a temperature sensor 19, the temperature sensor 19 is fixedly connected with the heat exchanger 18, and the temperature sensor 19 is located at the output end of the heat exchanger 18.
In the present embodiment, by providing the temperature sensor 19 and attaching the temperature sensor 19 to the output end of the heat exchanger 18, the temperature of the outlet water from the temperature sensor 19 can be detected when the temperature sensor 19 is operated.
Further, the water supply and discharge assembly 2 further includes a bath water NTC22 and a heating water NTC29, the bath water NTC22 is fixedly connected to the three-way valve 21, the bath water NTC22 is located at a side pipe opening of the three-way valve 21, the heating water NTC29 is fixedly connected to both the three-way valve 21 and the heat exchanger 18, and the heating water NTC29 is located between the output ends of the three-way valve 21 and the heat exchanger 18.
In the present embodiment, the supply of the bath water can be controlled by installing the bath water NTC22 and installing the bath water NTC22 at one side nozzle of the three-way valve 21, and the supply of the heating water can be controlled by installing the heating water NTC29 and installing the heating water NTC29 between the three-way valve 21 and the output end of the heat exchanger 18.
Further, the water supply and discharge assembly 2 further includes a water flow sensor 26, the water flow sensor 26 is fixedly connected with the heating water circulating pump 25, and the water flow sensor 26 is located between the heating water circulating pump 25 and the heating water pressure gauge 24.
In the present embodiment, the water flow sensor 26 is provided, and the water flow sensor 26 is installed between the heating water circulation pump 25 and the heating water pressure gauge 24, thereby detecting the amount of water used.
The utility model discloses a theory of operation and use flow: the utility model discloses after installing, with heating water circulating pump 25 switch on, make heating water circulating pump 25 extract cold water to the inner chamber of water tank 16 through plate heat exchanger 27, then discharge into the inner chamber of heat exchanger 18 from water tank 16, then discharge into combustor 14 through gas proportional control valve 17 control gas, start ignition needle 15 simultaneously, make ignition needle 15 ignite the gas, the heat that the gas burning produced can transmit the cold water that flows to heat exchanger 18 inner chamber through heat exchanger 18, and then heat cold water, can open and close bathroom water NTC22 and heating water NTC29 and use the hot water after the heat transfer, in the in-process of gas burning, fan 32 and wind pressure switch 31 cooperate the work, thereby discharge into combustor 14 department with a certain amount of air, provide corresponding amount of oxygen for the gas burning, the flue gas that produces during gas burning simultaneously gets rid of through plate heat exchanger 27, when the flue gas passes through the plate heat exchanger 27, cold water discharged into the inner cavity of the water tank 16 can be subjected to heat exchange, so that heat in the flue gas is effectively utilized.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a low nitrogen hanging stove which characterized in that: including heat exchange assemblies (1), confession water outlet assembly (2) and oxygen suppliment subassembly (3), heat exchange assemblies (1) include casing (11), hangers (12), hanging hole (13), combustor (14), water tank (16), gas proportion control valve (17) and heat exchanger (18), hangers (12) with casing (11) fixed connection, just hangers (12) are established one two, two hangers (12) are located respectively the one end both sides of casing (11), hanging hole (13) are seted up in the inner chamber of hangers (12), combustor (14) with casing (11) fixed connection, just combustor (14) are located the inner chamber of casing (11), heat exchanger (18) with casing (11) fixed connection, just heat exchanger (18) are located the output of combustor (14), water tank (16) with casing (11) fixed connection, the water tank (16) is positioned at one side of the heat exchanger (18), the water tank (16) is fixedly connected with the input end of the heat exchanger (18), the gas proportion regulating valve (17) is fixedly connected with the input end of the burner (14), and the gas proportion regulating valve (17) is positioned at one side of the burner (14) far away from the heat exchanger (18);
the water supply and outlet assembly (2) comprises a three-way valve (21), a heating water pressure switch (23), a heating water pressure gauge (24), a heating water circulating pump (25), a water flow sensor (26), a plate-type heat exchanger (27) and a safety valve (28), the three-way valve (21) is fixedly connected with the shell (11), the three-way valve (21) is positioned on one side of the burner (14) far away from the heat exchanger (18), the three-way valve (21) is communicated with the input end of the heat exchanger (18), the heating water pressure switch (23) is fixedly connected with the three-way valve (21), the heating water pressure switch (23) is positioned at the pipe orifice on one side of the three-way valve (21), the heating water pressure gauge (24) is fixedly connected with the heating water pressure switch (23), and the heating water pressure gauge (24) is positioned on one side of the heating water pressure switch (23) far away from the three-way valve (21), the heating water circulating pump (25) is fixedly connected with the heating water pressure gauge (24), the heating water circulating pump (25) is located at one end, far away from the heating water pressure switch (23), of the heating water pressure gauge (24), the safety valve (28) is fixedly connected with the water flow sensor (26), the safety valve (28) is located between the water flow sensor (26) and the heating water pressure gauge (24), the plate heat exchanger (27) is fixedly connected with the shell (11), the plate heat exchanger (27) is located in an inner cavity of the shell (11), the input end of the plate heat exchanger (27) is connected with the heating water pressure gauge (24) and a smoke outlet end of the burner (14), and the output end of the plate heat exchanger (27) is fixedly connected with the water tank (16);
oxygen suppliment subassembly (3) are including wind pressure switch (31) and fan (32), fan (32) with casing (11) fixed connection, fan (32) are located the inner chamber of casing (11), the output of fan (32) with combustor (14) fixed connection, wind pressure switch (31) with fan (32) fixed connection, just wind pressure switch (31) are located the input of fan (32).
2. The low-nitrogen wall-hanging stove according to claim 1, characterized in that: the heat exchange assembly (1) further comprises an ignition needle (15), the ignition needle (15) is fixedly connected with the shell (11), and the hanging hole (13) is located at the output end of the hanging lug (12).
3. The low-nitrogen wall-hanging stove according to claim 1, characterized in that: the heat exchange assembly (1) further comprises a temperature sensor (19), the temperature sensor (19) is fixedly connected with the heat exchanger (18), and the temperature sensor (19) is located at the output end of the heat exchanger (18).
4. The low-nitrogen wall-hanging stove according to claim 1, characterized in that: supply out water subassembly (2) still include bathroom water NTC (22) and heating water NTC (29), bathroom water NTC (22) with three-way valve (21) fixed connection, just bathroom water NTC (22) are located one side mouth of pipe department of three-way valve (21), heating water NTC (29) with three-way valve (21) with the equal fixed connection in heat exchanger (18), just heating water NTC (29) are located three-way valve (21) with between the output of heat exchanger (18).
5. The low-nitrogen wall-hanging stove according to claim 1, characterized in that: the water supply and outlet assembly (2) further comprises a water flow sensor (26), the water flow sensor (26) is fixedly connected with the heating water circulating pump (25), and the water flow sensor (26) is located between the heating water circulating pump (25) and the heating water pressure gauge (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921884893.5U CN211781934U (en) | 2019-11-05 | 2019-11-05 | Low-nitrogen wall-mounted furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921884893.5U CN211781934U (en) | 2019-11-05 | 2019-11-05 | Low-nitrogen wall-mounted furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211781934U true CN211781934U (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921884893.5U Active CN211781934U (en) | 2019-11-05 | 2019-11-05 | Low-nitrogen wall-mounted furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211781934U (en) |
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2019
- 2019-11-05 CN CN201921884893.5U patent/CN211781934U/en active Active
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