CN219433486U - Wall-mounted furnace heat exchanger and wall-mounted furnace - Google Patents

Abstract

The utility model provides a wall-mounted furnace heat exchanger and a wall-mounted furnace, and relates to the technical field of wall-mounted furnaces. A wall-mounted boiler heat exchanger, comprising: the heat exchange coil comprises an inner pipeline and an outer pipeline, the outer pipeline is sleeved outside the inner pipeline, and the heater is arranged at the center of the heat exchange coil. The wall-mounted boiler heat exchanger that this application provided, domestic water supply and domestic water supply share a heat exchanger, heat domestic water and ground warm water supply simultaneously, improve heating efficiency, the energy saving improves domestic water's hot water play water velocity simultaneously. The wall-mounted boiler that this application provided, it can heat domestic water and ground warm water simultaneously, and heating efficiency is high, and hot water play water is fast.

Description

Wall-mounted furnace heat exchanger and wall-mounted furnace

Technical Field

The utility model relates to the technical field of wall-mounted furnaces, in particular to a wall-mounted furnace heat exchanger and a wall-mounted furnace.

Background

The wall-mounted boiler is a gas wall-mounted boiler for short, is a gas wall-mounted heating boiler, is a water heater taking natural gas as energy, and has various safety protection measures such as anti-freezing protection, dry-heating protection, accidental flameout protection, over-high temperature protection, water pump anti-seizing protection and the like.

The wall-mounted furnace takes natural gas, artificial gas or liquefied gas as fuel, the fuel is output through a burner, after being combusted in a combustion chamber, heat is absorbed by a heat exchanger, and circulating water in a heating system is heated in a reciprocating manner when passing through the heat exchanger, so that the heat is continuously output to a building, and a heat source is provided for the building. The general dual-purpose gas wall-mounted furnace has a heating function and a hot water function (namely, has the function of a gas water heater besides heating). The wall-mounted furnace can provide a heat source for the radiating fins and a heat source for the floor heating system. The commonly used wall-mounted furnaces are divided into a heating domestic hot water dual-purpose furnace and a single-floor heating furnace.

At present, a plurality of heat exchangers are generally adopted for heating and living water dual-purpose furnaces in the market, and are respectively used for heating ground heating water supply and living water, for example, a wall-mounted furnace provided by Chinese patent utility model patent with the patent number of CN217604388U is used for carrying out heat exchange on ground heating water supply and living water supply respectively, living water cannot be preheated in advance, a large amount of cold water in pipelines is required to be discharged at each time when hot water is used, the water outlet speed of the hot water is slowed down, and water resources and fuel are wasted. Therefore, there is a need to provide a highly efficient heat exchanger.

Disclosure of Invention

The utility model aims to provide a wall-mounted boiler heat exchanger, wherein domestic water supply and domestic water supply share one heat exchanger, and domestic water supply and ground heating water supply are heated at the same time, so that the heating efficiency is improved, the energy is saved, and the hot water outlet speed of the domestic water is improved.

The utility model also provides a wall-mounted boiler which can heat domestic water and floor heating water simultaneously, and has high heating efficiency and high hot water outlet speed.

Embodiments of the present utility model are implemented as follows:

in a first aspect, an embodiment of the present application provides a wall-mounted boiler heat exchanger, which includes: the heat exchange coil comprises an inner pipeline and an outer pipeline, the outer pipeline is sleeved outside the inner pipeline, and the heater is arranged at the center of the heat exchange coil.

In some embodiments of the present utility model, the heater includes an air inlet pipe and a combustion cylinder, the combustion cylinder is communicated with the air inlet pipe, a plurality of combustion holes are uniformly formed in the combustion cylinder, and a smoke exhaust hole is formed in the upper end of the housing.

In some embodiments of the utility model, the heater further comprises a premixer, an air inlet of the premixer is communicated with the air inlet pipe, and an air outlet of the premixer is communicated with the combustion cylinder.

In some embodiments of the utility model, the heater comprises at least one heating resistance wire, the heating resistance wire is spirally arranged at the center of the heat exchange coil, and the heating resistance wire is connected with an external power supply through a wire.

In some embodiments of the present utility model, an electric control valve is disposed on the water inlet pipe in series, and a temperature detecting device is disposed in the heat exchange coil.

In some embodiments of the present utility model, an electric control valve is disposed on the water inlet pipe in series, and a temperature detecting device is disposed in the heat exchange coil.

In a second aspect, an embodiment of the present application provides a wall-mounted boiler, which includes any one of the above wall-mounted boiler heat exchangers.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the utility model provides a wall-mounted boiler heat exchanger, which comprises: the heat exchange device comprises a shell, a heat exchange coil and a heater, wherein an accommodating cavity is formed in the shell, and the heat exchange coil and the heater are arranged in the accommodating cavity. A relatively closed space is formed inside the shell, heat generated by the heater is gathered, and heat exchange efficiency is guaranteed. Above-mentioned heat exchange coil includes inner tube and outer pipeline, and the outside of above-mentioned inner tube is located to above-mentioned outer pipeline cover, and above-mentioned inner tube is used for heating ground to warm water supply, and outer pipeline is used for heating domestic water, warms up water supply and domestic water supply simultaneous heating through a heat exchanger realization, improves heat exchange efficiency and hot water outlet rate. The heater is arranged at the center of the heat exchange coil, so that the heat exchange area is increased, and the heating efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of a wall-mounted boiler heat exchanger provided by an embodiment of the utility model;

fig. 2 is an enlarged view of area a in fig. 1 according to an embodiment of the present utility model.

Icon: 1-a housing; 2-a heat exchange coil; 3-a heater; 101-an inner pipe; 102-an outer pipe; 301-an air inlet pipe; 302-combustion cans; 303-combustion holes; 304-smoke exhaust holes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1, the present embodiment provides a wall-mounted boiler heat exchanger, which includes: the heat exchange coil comprises an inner pipeline and an outer pipeline, the outer pipeline is sleeved outside the inner pipeline, and the heater is arranged at the center of the heat exchange coil.

In this embodiment, the heat exchanger performs heat exchange mainly through the heat exchange coil 2, and water is introduced into the heat exchange coil 2 and flows out after being heated by the heater 3, thereby providing hot water. The heat exchange coil 2 has a double-layer structure and comprises an inner pipe 101 and an outer pipe 102 sleeved outside the inner pipe 101. The outer pipe 102 has a diameter larger than that of the inner pipe 101, and a space is defined between the outer pipe 102 and the inner pipe 101. The liquid in the inner pipe 101 is introduced into the floor heating circulation pipe, and the liquid in the outer pipe 102 is used for domestic water such as washing or shower. One end of the inner pipe 101 is connected with the heating water inlet of the floor heating circulation pipe, the other end is connected with the heating backwater of the floor heating pipe, and the floor heating liquid is heated at the inner pipe 101 to realize heating. One end of the outer pipe 102 is provided with a water inlet, and the water inlet is connected with a tap water pipe. The other end of the outer pipe 102 is provided with a water outlet, and the water outlet is connected with facilities such as a faucet or a shower. The inner pipe 101 and the outer pipe 102 are independent of each other, domestic water is taken along with use, and floor heating water supply is continuously heated through a floor heating circulating pipe, and the domestic water and the floor heating water are independent of each other and do not affect each other. The heat exchange coil 2 has a circular spiral structure, the heater 3 is arranged at the center of the heat exchange coil 2, the heater 3 is connected with external fuel gas through a gas pipeline, and the liquid in the heat exchange coil 2 is heated by burning the external fuel gas. The housing 1 has a hollow structure, and the heat exchange coil 2 and the heating device are both covered inside the housing 1. The heating device can protect the heat exchange coil 2 and the heater 3 inside, and damage caused by external collision of the heat exchange coil 2 and the heater 3 is avoided. Meanwhile, the relatively closed shell 1 can achieve the temperature gathering effect, so that heat generated by the heater 3 is gathered in the shell 1, the heating efficiency is improved, and energy sources are saved.

Further, in some implementations of the present embodiment, a ventilation hole is formed in an upper end of the housing 1, and a ventilation pipe is connected to an outer side of the ventilation hole. The air vent is used for gas exchange, and exhaust gas generated by combustion is discharged from the air vent, so that external air enters the shell 1, the combustible gas in the heater 3 is ensured to be fully combusted, the combustion efficiency is improved, and energy is saved.

When the floor heating circulating pipeline is used, one end of the inner pipeline 101 is connected with a heating water inlet of the floor heating circulating pipeline, the other end of the inner pipeline is connected with a heating water return port of the floor heating circulating pipeline, and enough circulating liquid is introduced into the circulating pipeline in advance. Then the water inlet of the outer pipe 102 is connected with a tap water pipe, and tap water is introduced into the outer pipe 102 in advance. The heater 3 is connected through a gas pipeline, and the liquid in the heat exchange coil 2 can be heated by introducing combustible gas into the heater 3. The circulating liquid in the inner pipeline 101 flows into the floor heating system for continuous circulating heating, and the cooled liquid after heat dissipation returns to the inner pipeline 101 for reheating to realize heating. The liquid in the outer pipeline 102 provides domestic hot water, the heater 3 inside the pipeline is used for continuously heating the heated liquid when the pipeline is not used, the temperature of the liquid in the outer pipeline 102 is kept, meanwhile, the liquid circulation in the inner pipeline 101 is in heat exchange with the liquid in the outer pipeline 102, the heating effect of the liquid in the inner pipeline 101 is ensured, and meanwhile, safety accidents caused by the fact that the temperature of the liquid in the outer pipeline 102 is too high are avoided. When hot water is needed, a valve or a tap communicated with the outer pipeline 102 is opened, and the heated liquid in the outer pipeline 102 flows out from the water outlet to provide hot water. When the floor heating is used for heating, the liquid in the outer pipeline 102 is in a heating state for a long time, so that hot water can flow out quickly when the valve is opened, the discharge of cold water in the pipeline is reduced, and resources and time are saved. When the heater 3 heats, the liquid in the outer pipeline 102 firstly receives heat to quickly raise the temperature, so that the heater 3 can quickly heat the liquid and ensure the speed of discharging hot water when the hot water is needed, and therefore, even if the floor heating is not used, the hot water can be quickly discharged. The flowing cryogenic liquid heats quickly to remove heat, avoiding excessive heat from being used to heat the liquid in the inner pipe 101, thereby conserving fuel resources.

The heat exchanger that this embodiment provided realizes domestic water and ground warm water supply simultaneous heating through a heat exchanger, can effectively reduce hanging holistic volume of stove, increases heating performance simultaneously, and heat transfer effect promotes 30% -40% than traditional heat exchanger thermal efficiency. The heat exchanger is formed by combining the inner pipeline 101 and the outer pipeline 102, the service life is longer, and the overall failure rate of the wall-mounted furnace is greatly reduced.

Further, in some implementations of this embodiment, a plurality of fixing buckles are disposed between the inner pipe 101 and the outer pipe 102 at intervals, and the fixing buckles are used for connecting and supporting the inner pipe 101 and the outer pipe 102, so as to keep the inner pipe 101 and the outer pipe 102 connected stably, and ensure stability of water flow in the inner pipe 101 and the outer pipe 102. The water flow noise can be reduced, and the service life of the heat exchanger can be prolonged.

Example 2

Referring to fig. 1, in the present embodiment, on the basis of embodiment 1, the heater 3 includes an air inlet pipe 301 and a combustion cylinder 302, the combustion cylinder 302 is communicated with the air inlet pipe 301, a plurality of combustion holes 303 are uniformly formed in the combustion cylinder 302, and a smoke exhaust hole 304 is formed in the upper end of the housing 1.

In this embodiment, the heater 3 heats the liquid in the heat exchange coil 2 by means of open fire heating. Specifically, the air inlet pipe 301 is a fuel gas delivery pipe for delivering fuel provided by fuel gas. The output port of the air inlet pipe 301 is communicated with the combustion cylinder 302, and the combustible gas is continuously introduced into the air inlet pipe 301 during operation. The combustion cylinder 302 has a cylindrical structure and is disposed at the center of the heat exchanging coil 2. The side walls of the combustion cylinder 302 are uniformly provided with a plurality of combustion holes 303 at intervals, the combustion holes 303 uniformly divide the combustible gas in the combustion cylinder 302 into a plurality of parts, so that the sufficient combustion of the gas can be ensured, the periphery of the combustion cylinder 302 can be combusted to generate heat, and the heating efficiency is improved.

Further, in some implementations of the present embodiment, the heater 3 further includes a premixer, an air inlet of the premixer communicates with the air inlet pipe 301, and an air outlet of the premixer communicates with the combustion cylinder 302.

In this embodiment, a premixer is disposed at the connection between the air inlet pipe 301 and the combustion cylinder 302, and the premixer is used for mixing air and combustible gas (natural gas, coal gas or biogas, etc.), so as to ensure the combustion effect of the gas. Through mixing air and combustible gas in advance, guarantee that fuel fully burns, improve the combustion efficiency of combustible gas, the energy is saved, reduces the production of carbon monoxide simultaneously, improves the security. The air and the combustible gas are mixed in advance, the shell 1 does not need to be provided with an air inlet, and only the upper end of the shell 1 is provided with a smoke discharging hole 304 for discharging the carbon dioxide generated after combustion.

Optionally, in some implementations of this embodiment, a smoke exhaust duct is disposed at the smoke exhaust hole 304, and the smoke exhaust duct communicates with the interior of the housing 1.

Above-mentioned exhaust pipe is used for discharging the gas that produces after the burning, guarantees that burning waste gas carries to the assigned position, and the handling of being convenient for discharges waste gas avoids carbon dioxide to pile up in the room and leads to carbon dioxide concentration too high, improves the safety in utilization of device.

In the embodiment, the open fire heating mode is adopted to provide heat, so that fuel gas is consumed, the heating is fast, and the cost is low.

Example 3

Referring to fig. 1, in this embodiment, the heater 3 includes at least one heating resistance wire, which is spirally disposed at the center of the heat exchange coil 2, and is connected to an external power supply through a wire.

In this embodiment, the heater 3 heats the liquid in the heat exchange coil 2 by electric heating. Specifically, the heater 3 includes at least one heating resistance wire, and the heating resistance wire is spirally arranged to increase the length of the heating resistance wire and ensure the heating effect. The electric heating mode is adopted, no waste gas is discharged, and the electric heating type water heater is cleaner and environment-friendly.

Example 4

In this embodiment, on the basis of the above embodiments, the inner pipe 101 and the outer pipe 102 are respectively connected in series with an electric control valve, and a temperature detecting device is disposed in the heat exchange coil 2.

In this embodiment, an electric control valve is connected in series to both the inner pipe 101 and the outer pipe 102 for controlling the water outlet. The heat exchange coil 2 is internally provided with a temperature detection device for detecting the liquid temperature inside the heat exchange coil 2, so that the temperature can be checked in real time, the effect of high-temperature early warning can be achieved, and the safety is improved.

In summary, an embodiment of the present utility model provides a wall-mounted boiler heat exchanger, including: the heat exchange device comprises a shell 1, a heat exchange coil 2 and a heater 3, wherein a containing cavity is formed in the shell 1, and the heat exchange coil 2 and the heater 3 are arranged in the containing cavity. A relatively closed space is formed inside the shell 1, heat generated by the heater 3 is gathered, and heat exchange efficiency is guaranteed. The heat exchange coil 2 comprises an inner pipeline 101 and an outer pipeline 102, the outer pipeline 102 is sleeved outside the inner pipeline 101, the inner pipeline 101 is used for heating floor heating water supply, the outer pipeline 102 is used for heating domestic water, the floor heating water supply and the domestic water supply are heated simultaneously through one heat exchanger, and heat exchange efficiency and hot water outlet rate are improved. The heater 3 is arranged at the center of the heat exchange coil 2, so that the heat exchange area is increased, and the heating efficiency is improved.

The embodiment of the utility model provides a wall-mounted furnace, which comprises any one of the wall-mounted furnace heat exchangers. By setting up

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. A wall-hanging stove heat exchanger, characterized by comprising: the heat exchange coil comprises an inner pipeline and an outer pipeline, the outer pipeline is sleeved outside the inner pipeline, and the heater is arranged at the center of the heat exchange coil.

2. The wall-mounted boiler heat exchanger according to claim 1, wherein the heater comprises an air inlet pipe and a combustion cylinder, the combustion cylinder is communicated with the air inlet pipe, a plurality of combustion holes are uniformly formed in the combustion cylinder, and smoke exhaust holes are formed in the upper end of the shell.

3. The wall-mounted boiler heat exchanger according to claim 2, wherein the heater further comprises a premixer, an air inlet of the premixer is communicated with the air inlet pipe, and an air outlet of the premixer is communicated with the combustion cylinder.

4. The wall-mounted boiler heat exchanger according to claim 1, wherein the heater comprises at least one heating resistance wire, the heating resistance wire is spirally arranged at the center of the heat exchange coil, and the heating resistance wire is connected with an external power supply through a wire.

5. The wall-mounted boiler heat exchanger according to claim 1, wherein the inner pipeline and the outer pipeline are respectively provided with an electric control valve in series, and a temperature detection device is arranged in the heat exchange coil.

6. The wall-mounted boiler heat exchanger according to claim 2, wherein a smoke exhaust pipeline is arranged at the upper end of the shell, the smoke exhaust pipeline is arranged at the upper end of the smoke exhaust hole, and the smoke exhaust pipeline is communicated with the inside of the shell.

7. A wall-hanging stove comprising a wall-hanging stove heat exchanger as claimed in any one of claims 1 to 6.