CN219693570U - Gas stove - Google Patents
Gas stove Download PDFInfo
- Publication number
- CN219693570U CN219693570U CN202320779251.9U CN202320779251U CN219693570U CN 219693570 U CN219693570 U CN 219693570U CN 202320779251 U CN202320779251 U CN 202320779251U CN 219693570 U CN219693570 U CN 219693570U
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- China
- Prior art keywords
- heat exchange
- exchange section
- pipe
- water outlet
- heating
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000008236 heating water Substances 0.000 claims abstract description 45
- 238000002485 combustion reaction Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 38
- 239000007789 gas Substances 0.000 claims description 32
- 230000001502 supplementing effect Effects 0.000 claims description 19
- 230000008602 contraction Effects 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 claims description 2
- 239000013589 supplement Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 2
- 238000003287 bathing Methods 0.000 description 1
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- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The utility model discloses a gas furnace, which comprises a combustion heat exchange device (1) and a heat exchanger (11); a heat exchanger (2); the heat exchange pipeline (3) comprises a first heat exchange section (31) and a second heat exchange section (32) which are connected in sequence, wherein at least part of the first heat exchange section (31) passes through a heat exchange channel of the heat exchanger (11), and at least part of the second heat exchange section (32) passes through a hot water channel of the heat exchanger (2); a heating water inlet pipe (4 a) and a heating water outlet pipe (4 b) are respectively connected to two ends of the first heat exchange section (31); a life water inlet pipe (5 a) and a life water outlet pipe (5 b) are respectively connected to two ends of a cold water channel of the heat exchanger (2); a delivery pump (7); the method is characterized in that: the heat exchange device also comprises a circulating branch pipe (6), wherein two ends of the circulating branch pipe (6) are respectively connected with two ends of the first heat exchange section (31). Compared with the prior art, the gas stove has various functions.
Description
Technical Field
The utility model relates to the technical field of heating equipment, in particular to a gas furnace.
Background
At present, some houses are provided with a hydrothermal heating device such as floor heating, and in these houses, in addition to domestic water supply, additional water supply is required to the corresponding hydrothermal heating device to perform heating. Therefore, the common gas water heater cannot supply hot water of domestic water and heating water of the hydrothermal heating equipment at the same time, and a dual-purpose stove is required to supply hot water and heating water of the domestic water at the same time.
In the existing dual-purpose furnace, a three-way valve is used for switching control in the internal circulation and the external circulation: under the heating mode, the dual-purpose furnace is switched to external circulation, the heat exchange pipeline is communicated with the heating pipeline, and under the action of the circulating pump, water in the heat exchange pipeline is heated by the combustion heat exchange device and then is discharged into the heating pipeline, and the hot water flows through each room through the external circulation, so that heating is realized; under the domestic hot water mode, the dual-purpose stove is switched to the inner loop, the heat exchange pipeline forms a circulation loop, and under the action of the circulating pump, hot water exchanges heat with the domestic water pipeline when flowing through the heat exchanger through the inner loop, so that domestic hot water is supplied, at the moment, the heat exchange pipeline is not communicated with the heating pipeline, the outer loop is interrupted, water in the heating pipeline is dead water, and heating is automatically stopped until the domestic hot water is used. For a specific structure, see the Chinese patent application No. CN201710624991.4 (publication No. CN 108061375A) of the applicant's prior application, namely, a dual-purpose furnace working system.
However, all the gas dual-purpose furnaces in the market at present keep two functions of heating and bathing, the use functions have not been increased for many years, and the functions are slow to develop in function iteration compared with other household appliances.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a gas furnace with various functions aiming at the current state of the art.
The technical scheme adopted for solving the technical problems is as follows: a gas stove comprises
The combustion heat exchange device comprises a heat exchanger with a heat exchange channel;
the heat exchanger is internally provided with a hot water channel and a cold water channel which exchange heat with each other;
the heat exchange pipeline comprises a first heat exchange section and a second heat exchange section which are connected in sequence, wherein at least part of the first heat exchange section passes through a heat exchange channel of the heat exchanger, and at least part of the second heat exchange section passes through a hot water channel of the heat exchanger;
the heating water inlet pipe and the heating water outlet pipe are respectively connected to two ends of the first heat exchange section and are respectively connected with two ends of an external heating pipeline;
the life water inlet pipe and the life water outlet pipe are respectively connected to two ends of the cold water channel of the heat exchanger; and
the conveying pump is arranged on the first heat exchange section;
the method is characterized in that: the heat exchange device also comprises a circulating branch pipe, wherein two ends of the circulating branch pipe are respectively connected with two ends of the first heat exchange section.
In order to realize the heating function, the circulating branch pipe is provided with heating coils which are at least partially arranged in a serpentine shape.
In order to facilitate users to take and place articles placed on the heating and drying coil, the gas furnace is provided with a shell, and a position of the shell, which is opposite to the heating and drying coil, is provided with a yielding port.
In order to facilitate the switching of three working modes, valves are arranged on the second heat exchange section, the heating water outlet pipe and the circulating branch pipe, so that the gas furnace has at least three states:
in the first state, the second heat exchange section is communicated, and the heating water outlet pipe and the circulating branch pipe are disconnected;
in a second state, the heating water outlet pipe is communicated, and the second heat exchange section is disconnected with the circulating branch pipe;
in the third state, the circulating branch pipe is communicated, and the second heat exchange section is disconnected with the heating water outlet pipe.
In order to simplify the valve setting, the second heat exchange section, the heating water outlet pipe and the circulating branch pipe share the same four-way valve.
In order to realize that second heat exchange section, heating outlet pipe and circulation branch pipe share same cross valve, the cross valve have into water end, first play water end, second play water end and third play water end, the first heat exchange section of inlet end intercommunication of cross valve, the first play water end intercommunication second heat exchange section of cross valve, the second play water end intercommunication heating outlet pipe of cross valve, the third play water end intercommunication circulation branch pipe of cross valve.
The combustion heat exchange device further comprises a burner for supplying heat to the heat exchanger in order to supply heat to the heat exchanger.
In order to facilitate air supplementing and smoke exhausting, the combustion heat exchange device further comprises a fan for supplementing air to the combustor and exhausting smoke.
In order to facilitate the water flow supplement in the heating pipeline, a water supplementing pipeline is connected between the life water inlet pipe and the heating water inlet pipe or the heating water outlet pipe, and a water supplementing valve for controlling the on-off of the water supplementing pipeline is arranged on the water supplementing pipeline.
In order to conveniently accommodate and supplement the expansion and contraction amount of the circulating water, the heat exchange pipeline or the heating water inlet pipe is connected with an expansion water tank for accommodating and supplementing the expansion and contraction amount of the circulating water in the circulating loop.
Compared with the prior art, the utility model has the advantages that: through addding the circulation branch pipe to connect its both ends respectively at the both ends of first heat exchange section, can increase a circulation return circuit for the gas furnace more and realize other functions, this gas furnace function is various, does not increase spare part quantity, under the prerequisite that does not influence overall arrangement and the whole size of machine, has expanded the function of gas furnace, has promoted the use value of unit.
Drawings
FIG. 1 is a schematic view of an embodiment of a gas burner according to the utility model;
fig. 2 is a schematic view of the burner of fig. 1 in a first condition (arrows indicate water flow direction);
fig. 3 is a schematic view of the burner of fig. 1 in a second condition (arrows indicate water flow direction);
fig. 4 is a schematic view of the gas burner of fig. 1 in a third condition (arrows indicate water flow direction);
fig. 5 is a front view of an embodiment of a gas burner of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 5, a preferred embodiment of the gas burner according to the utility model is shown. The gas furnace comprises a combustion heat exchange device 1, a heat exchanger 2, a heat exchange pipeline 3, a heating water inlet pipe 4a, a heating water outlet pipe 4b, a life water inlet pipe 5a, a life water outlet pipe 5b, a circulating branch pipe 6, a conveying pump 7 and a four-way valve 8, and is provided with a shell 10, wherein the components are all accommodated in the inner cavity of the shell 10.
The combustion heat exchange device 1 comprises a heat exchanger 11 with a heat exchange channel, a burner 12 for supplying heat to the heat exchanger 11, and a fan 13 for supplementing air to the burner 12 and exhausting flue gas.
The heat exchanger 2 has a hot water passage and a cold water passage which exchange heat with each other.
The heat exchange pipeline 3 is a circulating pipeline and comprises a first heat exchange section 31 and a second heat exchange section 32 which are connected in sequence. Specifically, the first heat exchange section 31 partially passes through the heat exchange channels of the heat exchanger 11, and the second heat exchange section 32 partially passes through the hot water channels of the heat exchanger 2.
The heating water inlet pipe 4a and the heating water outlet pipe 4b are respectively connected to the inlet end and the outlet end of the first heat exchange section 31, and are respectively connected to two ends of an external heating pipeline. Specifically, an expansion tank 41 for accommodating and supplementing the amount of expansion and contraction of the circulating water in the circulation loop is connected to the heating water intake pipe 4 a.
The life water inlet pipe 5a and the life water outlet pipe 5b are respectively connected at two ends of the cold water channel of the heat exchanger 2. Specifically, a water supplementing pipe 51 is connected between the living water inlet pipe 5a and the heating water inlet pipe 4a, and a water supplementing valve 511 for controlling the on-off of the water supplementing pipe 51 is installed on the water supplementing pipe 51.
The inlet and outlet ends of the circulation branch pipe 6 are connected to the outlet and inlet ends of the first heat exchange section 31, respectively. In this embodiment, the middle section of the circulation branch pipe 6 is a heating coil pipe 61 arranged in a serpentine shape, and a position of the casing 10 opposite to the heating coil pipe 61 is provided with a yielding port 101, so that a user can conveniently take and place articles placed on the heating coil pipe 61.
The transfer pump 7 is mounted on the first heat exchange section 31 and is capable of transferring a water flow from an inlet end of the first heat exchange section 31 to an outlet end of the first heat exchange section 31.
The four-way valve 8 is provided with a water inlet end, a first water outlet end, a second water outlet end and a third water outlet end, the water inlet end of the four-way valve 8 is communicated with the outlet end of the first heat exchange section 31, the first water outlet end of the four-way valve 8 is communicated with the inlet end of the second heat exchange section 32, the second water outlet end of the four-way valve 8 is communicated with the heating water outlet pipe 4b, and the third water outlet end of the four-way valve 8 is communicated with the inlet end of the circulating branch pipe 6.
The on-off of the second heat exchange section 32, the heating water outlet pipe 4b and the circulating branch pipe 6 can be controlled by adjusting the four-way valve 8, so that the gas furnace has at least three states:
in the first state, as shown in fig. 2, the second heat exchange section 32 is connected, and the heating water outlet pipe 4b and the circulation branch pipe 6 are disconnected, so that the heat exchange pipeline 3 forms a circulation loop independently;
in the second state, as shown in fig. 3, the heating water outlet pipe 4b is connected, and the second heat exchange section 32 and the circulation branch pipe 6 are disconnected, so that the heating water inlet pipe 4a, the first heat exchange section 31, the heating water outlet pipe 4b and an external heating pipeline form a circulation loop together;
in the third state, as shown in fig. 4, the circulation branch pipe 6 is connected, and the second heat exchange section 32 and the heating water outlet pipe 4b are disconnected, so that the first heat exchange section 31 and the circulation branch pipe 6 together constitute a circulation loop.
The working principle of this embodiment is as follows:
(1) In a domestic hot water mode, the gas furnace is switched to a first state as shown in fig. 2 through the four-way valve 8, the second heat exchange section 32 is communicated, the heating water outlet pipe 4b and the circulating branch pipe 6 are disconnected, so that the heat exchange pipeline 3 forms a circulating loop independently, under the action of the conveying pump 7, water in the first heat exchange section 31 of the heat exchange pipeline 3 enters the second heat exchange section 32 after being heated by the combustion heat exchange device 1, hot water in the second heat exchange section 32 exchanges heat with cold water introduced by the domestic water inlet pipe 5a when passing through the heat exchanger 2, the cold water is heated to be hot water and then is supplied to a user through the domestic water outlet pipe 5b, and the water in the second heat exchange section 32 finally returns to the first heat exchange section 31 to supplement heat, so that continuous supply of domestic hot water is realized;
(2) In a heating mode, the gas furnace is switched to a second state shown in fig. 3 through the four-way valve 8, the heating water outlet pipe 4b is communicated, the second heat exchange section 32 is disconnected from the circulating branch pipe 6, so that the heating water inlet pipe 4a, the first heat exchange section 31, the heating water outlet pipe 4b and an external heating pipeline form a circulating loop together, under the action of the conveying pump 7, water in the first heat exchange section 31 of the heat exchange pipeline 3 is heated by the combustion heat exchange device 1 and then is discharged to the heating water outlet pipe 4b, the hot water flows through all rooms through the external heating pipeline to dissipate heat, and finally returns to the first heat exchange section 31 through the heating water inlet pipe 4a to supplement heat, so that continuous heating of all rooms is realized;
(3) In the heating mode, the gas furnace is switched to a third state as shown in fig. 4 through the four-way valve 8, the circulating branch pipe 6 is communicated, the second heat exchange section 32 is disconnected from the heating water outlet pipe 4b, so that the first heat exchange section 31 and the circulating branch pipe 6 form a circulating loop together, under the action of the conveying pump 7, water in the first heat exchange section 31 of the heat exchange pipeline 3 enters the circulating branch pipe 6 after being heated by the combustion heat exchange device 1, the hot water heats/dries an article placed on the heating coil 61 in the process of flowing through the heating coil 61, and finally the water in the circulating branch pipe 6 returns to the first heat exchange section 31 to supplement heat, so that continuous heating/drying of the article is realized.
Claims (10)
1. A gas stove comprises
A combustion heat exchange device (1) comprising a heat exchanger (11) with heat exchange channels;
a heat exchanger (2) having a hot water channel and a cold water channel which exchange heat with each other;
the heat exchange pipeline (3) comprises a first heat exchange section (31) and a second heat exchange section (32) which are connected in sequence, wherein at least part of the first heat exchange section (31) passes through a heat exchange channel of the heat exchanger (11), and at least part of the second heat exchange section (32) passes through a hot water channel of the heat exchanger (2);
a heating water inlet pipe (4 a) and a heating water outlet pipe (4 b) are respectively connected with two ends of the first heat exchange section (31) and are respectively connected with two ends of an external heating pipeline;
a life water inlet pipe (5 a) and a life water outlet pipe (5 b) are respectively connected to two ends of the cold water channel of the heat exchanger (2); and
a transfer pump (7) mounted on said first heat exchange section (31);
the method is characterized in that: the heat exchange device also comprises a circulating branch pipe (6), wherein two ends of the circulating branch pipe (6) are respectively connected with two ends of the first heat exchange section (31).
2. The gas burner of claim 1, wherein: the circulating branch pipe (6) is at least partially provided with a heating coil pipe (61) which is arranged in a serpentine shape.
3. A gas burner as claimed in claim 2, wherein: the gas furnace is provided with a shell (10), and a yielding port (101) is arranged at the position, opposite to the heating coil pipe (61), of the shell (10).
4. The gas burner of claim 1, wherein: valves are arranged on the second heat exchange section (32), the heating water outlet pipe (4 b) and the circulating branch pipe (6), so that the gas furnace has at least three states:
in the first state, the second heat exchange section (32) is communicated, and the heating water outlet pipe (4 b) and the circulating branch pipe (6) are disconnected;
in a second state, the heating water outlet pipe (4 b) is communicated, and the second heat exchange section (32) is disconnected with the circulating branch pipe (6);
in the third state, the circulating branch pipe (6) is communicated, and the second heat exchange section (32) and the heating water outlet pipe (4 b) are disconnected.
5. The gas burner of claim 4, wherein: the second heat exchange section (32), the heating water outlet pipe (4 b) and the circulating branch pipe (6) share the same four-way valve (8).
6. The gas burner of claim 5, wherein: the four-way valve (8) is provided with a water inlet end, a first water outlet end, a second water outlet end and a third water outlet end, the water inlet end of the four-way valve (8) is communicated with the first heat exchange section (31), the first water outlet end of the four-way valve (8) is communicated with the second heat exchange section (32), the second water outlet end of the four-way valve (8) is communicated with the heating water outlet pipe (4 b), and the third water outlet end of the four-way valve (8) is communicated with the circulating branch pipe (6).
7. A gas burner as claimed in any one of claims 1 to 6 wherein: the combustion heat exchange device (1) also comprises a burner (12) for supplying heat to the heat exchanger (11).
8. The gas burner of claim 7, wherein: the combustion heat exchange device (1) also comprises a fan (13) for supplementing air to the burner (12) and exhausting flue gas.
9. A gas burner as claimed in any one of claims 1 to 6 wherein: a water supplementing pipeline (51) is connected between the life water inlet pipe (5 a) and the heating water inlet pipe (4 a) or the heating water outlet pipe (4 b), and a water supplementing valve (511) for controlling the on-off of the water supplementing pipeline (51) is arranged on the water supplementing pipeline (51).
10. A gas burner as claimed in any one of claims 1 to 6 wherein: the heat exchange pipeline (3) or the heating water inlet pipe (4 a) is connected with an expansion water tank (41) for accommodating and supplementing the expansion and contraction amount of the circulating water in the circulating loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779251.9U CN219693570U (en) | 2023-03-31 | 2023-03-31 | Gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779251.9U CN219693570U (en) | 2023-03-31 | 2023-03-31 | Gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219693570U true CN219693570U (en) | 2023-09-15 |
Family
ID=87943827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320779251.9U Active CN219693570U (en) | 2023-03-31 | 2023-03-31 | Gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219693570U (en) |
-
2023
- 2023-03-31 CN CN202320779251.9U patent/CN219693570U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |