CN216114674U - Hanging stove with waste heat reutilization function - Google Patents
Hanging stove with waste heat reutilization function Download PDFInfo
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- CN216114674U CN216114674U CN202121886063.3U CN202121886063U CN216114674U CN 216114674 U CN216114674 U CN 216114674U CN 202121886063 U CN202121886063 U CN 202121886063U CN 216114674 U CN216114674 U CN 216114674U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model discloses a wall-mounted furnace with a waste heat secondary utilization function, which comprises a shell, wherein a first air-water heat exchanger, a second air-water heat exchanger and a water storage tank are arranged in the shell; a cold water inlet pipe and a first hot water outlet pipe are respectively arranged on the water inlet and the water outlet of the first air-water heat exchanger; a first exhaust pipe is arranged at an exhaust port of the first air-water heat exchanger; a bypass pipe and a connecting water pipe are respectively arranged at the water inlet and the water outlet of the second air-water heat exchanger; and a second hot water outlet pipe is arranged on the water outlet of the water storage tank. The utility model exchanges heat with the residual heat gas discharged by the first empty water heat exchanger through the second empty water heat exchanger, and the residual heat gas after heat exchange enters the box body through the gas collecting pipe and the second exhaust pipe in sequence to exchange heat for the second time; cold water entering from the bypass pipe sequentially passes through the second air-water heat exchanger and the water storage tank to absorb heat of residual hot gas and then form hot water, so that secondary utilization of the tail gas residual heat is realized, and efficient utilization of energy is realized.
Description
Technical Field
The utility model relates to the technical field of wall-mounted furnaces, in particular to a wall-mounted furnace with a waste heat secondary utilization function.
Background
In the prior art, tail gas generated after combustion of fuel gas of a wall-mounted furnace is directly discharged to the external environment of the wall-mounted furnace; the tail gas contains a large amount of waste heat, and the waste heat is not secondarily utilized, so that the waste of resources is caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide the wall-mounted furnace with the waste heat secondary utilization function, the water storage tank, the second air-water heat exchanger and the box body are arranged in the shell, the waste heat gas discharged by the first air-water heat exchanger is subjected to heat exchange through the second air-water heat exchanger through the arrangement of the second air-water heat exchanger, and the waste heat gas subjected to heat exchange enters the box body through the gas collecting pipe and the second exhaust pipe in sequence for secondary heat exchange and is then discharged through the exhaust fan; cold water entering from the bypass pipe sequentially passes through the second air-water heat exchanger and the water storage tank to absorb heat of residual hot gas to form hot water, so that secondary utilization of the tail gas residual heat is realized, and efficient utilization of energy is achieved.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
a wall-mounted furnace with a waste heat secondary utilization function comprises a shell and is characterized in that a first air-water heat exchanger, a second air-water heat exchanger and a water storage tank are arranged in the shell; a cold water inlet pipe and a first hot water outlet pipe are respectively arranged on the water inlet and the water outlet of the first air-water heat exchanger; an igniter is arranged on the air inlet of the first air-water heat exchanger, and the air outlet is connected with the air inlet of the second air-water heat exchanger through a first exhaust pipe; an air inlet pipe is arranged on an air inlet of the igniter; the water inlet of the second air-water heat exchanger is connected with a cold water inlet pipe through a bypass pipe, and the water outlet of the second air-water heat exchanger is connected with a water storage tank through a connecting water pipe; and a second hot water outlet pipe is arranged on the water outlet of the water storage tank.
Preferably, the device also comprises a box body arranged in the shell; the water storage tank is positioned in the tank body; the gas collecting pipe is arranged on the gas exhaust port of the second air-water heat exchanger, and the gas inlet of the box body is arranged on one side of the bottom of the box body; the gas collecting pipe is connected with the gas inlet of the box body through a second gas discharging pipe; and an exhaust fan is arranged at the top of the box body.
Preferably, a first valve is arranged on the bypass pipe; a first temperature sensor is arranged on the first exhaust pipe; the first temperature sensor is electrically connected with the first valve.
Preferably, an upper liquid level sensor and a lower liquid level sensor are arranged in the water storage tank; a second valve is arranged on the connecting water pipe; the water storage tank is also provided with a second temperature sensor; and the second valve is electrically connected with the upper liquid level sensor and the lower liquid level sensor.
Preferably, a third valve is arranged on the second hot water outlet pipe.
Preferably, a buffer water tank is arranged between the first hot water outlet pipe and the water outlet of the first air-water heat exchanger.
Preferably, the surfaces of the heat exchange tubes of the first air-water heat exchanger and the second air-water heat exchanger are subjected to sand surface anodic oxidation treatment.
Preferably, the outer side surface of the water storage tank is subjected to sand surface anodic oxidation treatment.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model discloses a through set up water storage box, second empty water heat exchanger and box in the shell, through the setting of second empty water heat exchanger, carry out the heat transfer by the surplus hot gas body of first empty water heat exchanger discharge through second empty water heat exchanger, the surplus hot gas body after the heat transfer loops through discharge tube and second blast pipe and then enters the box and carries out the secondary heat transfer, then discharges through exhaust fan; cold water entering from the bypass pipe sequentially passes through the second empty water heat exchanger and the water storage tank to absorb heat of residual hot gas and then form hot water, so that secondary utilization of the tail gas waste heat is realized, and efficient utilization of energy is achieved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
wherein: the air-water heater comprises a shell 1, a first air-water heat exchanger 2, a second air-water heat exchanger 3, a water storage tank 4, a cold water inlet pipe 5, a first hot water outlet pipe 6, an igniter 7, a first exhaust pipe 8, a bypass pipe 9, a connecting water pipe 10, a second hot water outlet pipe 11, a box body 12, a gas collecting pipe 13, a second exhaust pipe 14, an exhaust fan 15, a first valve 16, a first temperature sensor 17, an upper liquid level sensor 18, a lower liquid level sensor 19, a second valve 20, a second temperature sensor 21, a third valve 22, a buffer water tank 23 and an air inlet pipe 24.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model will be further described with reference to the accompanying drawings and the detailed description below:
as shown in fig. 1, the wall-mounted furnace with the waste heat secondary utilization function comprises a shell 1, and is characterized in that a first air-water heat exchanger 2, a second air-water heat exchanger 3 and a water storage tank 4 are arranged in the shell 1; a cold water inlet pipe 5 and a first hot water outlet pipe 6 are respectively arranged on a water inlet and a water outlet of the first air-water heat exchanger 2; an igniter 7 is arranged on an air inlet of the first air-water heat exchanger 2, and an air outlet is connected with an air inlet of the second air-water heat exchanger 3 through a first exhaust pipe 8; an air inlet pipe 24 is arranged on an air inlet of the igniter 7; the water inlet of the second air-water heat exchanger 3 is connected with a cold water inlet pipe 5 through a bypass pipe 9, and the water outlet is connected with a water storage tank 4 through a connecting water pipe 10; and a second hot water outlet pipe 11 is arranged on the water outlet of the water storage tank 4.
In this embodiment, the first air-water heat exchanger 2 is used for absorbing heat of cold water in the cold water inlet pipe 5 by the action of the igniter 7 to change the cold water into hot water; the second air-water heat exchanger 3 is used for absorbing the heat of the tail gas discharged by the first air-water heat exchanger 2, so that cold water absorbs the heat of the tail gas and turns into hot water; the water storage tank 4 is used for storing hot water generated by secondary utilization of waste heat.
Further, as shown in fig. 1, the device further comprises a box body 12 arranged in the housing 1; the water storage tank 4 is positioned in the tank body 12; an air collecting pipe 13 is arranged on an air outlet of the second air-water heat exchanger 3, and an air inlet of the box body 12 is arranged on one side of the bottom of the box body 12; the gas collecting pipe 13 is connected with the gas inlet of the box body 12 through a second gas exhaust pipe 14; an exhaust fan 15 is arranged on the top of the box body 12.
In this embodiment, under the action of the exhaust airplane 15, the exhaust gas discharged from the second air-water heat exchanger 3 is introduced into the box body 12 through the gas collecting pipe 13 and the second exhaust pipe 14, and then the residual heat in the exhaust gas is absorbed by the box body 12 and then discharged to the external environment; and then the residual waste heat in the tail gas is further utilized.
Further, as shown in fig. 1, a first valve 16 is disposed on the bypass pipe 9; a first temperature sensor 17 is arranged on the first exhaust pipe 8; the first temperature sensor 17 is electrically connected to the first valve 16.
The first valve 16 is used for controlling the on-off of the bypass pipe 9, and the first temperature sensor 17 is used for monitoring the temperature of the tail gas passing through the first exhaust pipe 8 in real time; the flow of the first valve 16 is controlled by the temperature monitored by the first temperature sensor 17, so that cold water can effectively absorb the waste heat of tail gas on the second air-water heat exchanger 3.
Further, as shown in fig. 1, an upper liquid level sensor 18 and a lower liquid level sensor 19 are arranged in the water storage tank 4; a second valve 20 is arranged on the connecting water pipe 10; the water storage tank 4 is also provided with a second temperature sensor 21; the second valve 20 is electrically connected to the upper level sensor 18 and the lower level sensor 19.
In this embodiment, the level of water in the reservoir 4 is sensed by the upper level sensor 18 and the lower level sensor 19, and then the second valve 20 is controlled to be opened or closed, so that the effective control of the level of water in the reservoir 4 is realized.
Further, as shown in fig. 1, a third valve 22 is disposed on the second hot water outlet pipe 11; the on-off of the second hot water outlet pipe 11 is controlled by arranging a third valve 22.
Further, as shown in fig. 1, a buffer water tank 23 is arranged between the first hot water outlet pipe 6 and the water outlet of the first air-water heat exchanger 2; through the arrangement of the buffer water tank 23, when hot water is not suitable, redundant hot water can be temporarily stored in the buffer water tank 23.
Further, sand surface anodic oxidation treatment is carried out on the surfaces of the heat exchange tubes of the first air-water heat exchanger 2 and the second air-water heat exchanger 3; through the sand surface anodic oxidation, a large number of concave-convex shapes can be generated on the surface, the surface area is greatly increased, and the heat exchange efficiency is further improved.
Further, carrying out sand surface anodic oxidation treatment on the outer side surface of the water storage tank 4; through the sand surface anodic oxidation, a large number of concave-convex shapes can be generated on the surface, the surface area is greatly increased, and the heat exchange efficiency is further improved.
In the embodiment, the water storage tank 4, the second air-water heat exchanger 3 and the box body 12 are arranged in the shell 1, the residual hot gas discharged by the first air-water heat exchanger 2 is subjected to heat exchange through the second air-water heat exchanger 3 through the arrangement of the second air-water heat exchanger 3, the residual hot gas after heat exchange sequentially passes through the gas collecting pipe 13 and the second exhaust pipe 14 and then enters the box body 12 for secondary heat exchange, and then the residual hot gas is discharged through the exhaust fan 15; cold water entering from the bypass pipe 9 sequentially passes through the second air-water heat exchanger 3 and the water storage tank 4 to absorb heat of waste hot gas to form hot water, so that secondary utilization of waste heat of tail gas is realized, and efficient utilization of energy is achieved.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the protective scope of the present patent claims.
Claims (8)
1. A wall-mounted furnace with a waste heat secondary utilization function comprises a shell and is characterized in that a first air-water heat exchanger, a second air-water heat exchanger and a water storage tank are arranged in the shell; a cold water inlet pipe and a first hot water outlet pipe are respectively arranged on the water inlet and the water outlet of the first air-water heat exchanger; an igniter is arranged on the air inlet of the first air-water heat exchanger, and the air outlet is connected with the air inlet of the second air-water heat exchanger through a first exhaust pipe; an air inlet pipe is arranged on an air inlet of the igniter; the water inlet of the second air-water heat exchanger is connected with a cold water inlet pipe through a bypass pipe, and the water outlet of the second air-water heat exchanger is connected with a water storage tank through a connecting water pipe; and a second hot water outlet pipe is arranged on the water outlet of the water storage tank.
2. The wall-mounted furnace with the waste heat secondary utilization function according to claim 1, characterized by further comprising a box body arranged in the shell; the water storage tank is positioned in the tank body; the gas collecting pipe is arranged on the gas exhaust port of the second air-water heat exchanger, and the gas inlet of the box body is arranged on one side of the bottom of the box body; the gas collecting pipe is connected with the gas inlet of the box body through a second gas discharging pipe; and an exhaust fan is arranged at the top of the box body.
3. The wall-mounted furnace with the waste heat reutilization function as claimed in claim 1, wherein a first valve is arranged on the bypass pipe; a first temperature sensor is arranged on the first exhaust pipe; the first temperature sensor is electrically connected with the first valve.
4. The wall-mounted furnace with the waste heat secondary utilization function according to claim 1, wherein an upper liquid level sensor and a lower liquid level sensor are arranged in the water storage tank; a second valve is arranged on the connecting water pipe; the water storage tank is also provided with a second temperature sensor; and the second valve is electrically connected with the upper liquid level sensor and the lower liquid level sensor.
5. The wall-mounted furnace with the waste heat reutilization function as claimed in claim 1, wherein a third valve is arranged on the second hot water outlet pipe.
6. The wall-mounted furnace with the waste heat reutilization function as claimed in claim 1, wherein a buffer water tank is arranged between the first hot water outlet pipe and the water outlet of the first air-water heat exchanger.
7. The wall-hanging furnace with the waste heat reutilization function as claimed in claim 1, wherein the surfaces of the heat exchange tubes of the first air-water heat exchanger and the second air-water heat exchanger are subjected to sand surface anodic oxidation treatment.
8. The wall-hanging furnace with the waste heat reutilization function as claimed in claim 1, wherein the outer side surface of the water storage tank is subjected to sand surface anodic oxidation treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121886063.3U CN216114674U (en) | 2021-08-12 | 2021-08-12 | Hanging stove with waste heat reutilization function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121886063.3U CN216114674U (en) | 2021-08-12 | 2021-08-12 | Hanging stove with waste heat reutilization function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216114674U true CN216114674U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121886063.3U Active CN216114674U (en) | 2021-08-12 | 2021-08-12 | Hanging stove with waste heat reutilization function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216114674U (en) |
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2021
- 2021-08-12 CN CN202121886063.3U patent/CN216114674U/en active Active
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