CN213362472U - Four-segment combustion structure and water heater - Google Patents
Four-segment combustion structure and water heater Download PDFInfo
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- CN213362472U CN213362472U CN202022097728.4U CN202022097728U CN213362472U CN 213362472 U CN213362472 U CN 213362472U CN 202022097728 U CN202022097728 U CN 202022097728U CN 213362472 U CN213362472 U CN 213362472U
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Abstract
The utility model discloses a four segmentation combustion architecture and water heater, four segmentation combustion architecture include square pipe main part, total air supply line, flame feedback needle and ignition needle, square pipe main part is provided with first fire and arranges the group, the group is arranged to the second fire, the group is arranged to the third fire, first jet-propelled passageway, second jet-propelled passageway and third jet-propelled passageway, first fire arranges the group, the group is arranged side by side with the third fire in proper order, first jet-propelled passageway communicates with first fire arranges the group, the second jet-propelled passageway communicates with second fire arranges the group, the third jet-propelled passageway communicates with third fire arranges the group, first jet-propelled passageway is provided with first segmentation valve, the third jet-propelled passageway is provided with second segmentation valve, total air supply line communicates with the entrance point of first jet-propelled passageway, second jet-propelled passageway and third jet-propelled passageway simultaneously; on flame feedback needle and ignition needle second fire were arranged the group, effectively solved the problem that the temperature was crossed to scald in summer, had the fire of overlapping all the time to arrange when switching the burning section position, flameout and the problem of leaving the flame when avoiding switching the section position.
Description
Technical Field
The utility model relates to a water heater, in particular to quartering section burning structure and water heater.
Background
The existing water heater is divided into sectional combustion and non-sectional combustion, and the wall-mounted boiler without sectional combustion is stable in combustion but narrow in load range; the sectional combustion control needs sectional valves to be realized, each section needs one sectional valve to control, the water heater controlled by the conventional sectional combustion needs the corresponding number of the sectional valves, and a plurality of sectional valves are needed to achieve the effect of low minimum load, so that the cost is increased and the volume is occupied; the risk of jumping back and forth during gear shifting combustion is easily caused by a plurality of sections, so that the phenomenon of excessive water temperature in summer is caused; meanwhile, when the fire grate is switched, the problems of flameout and flame separation are easy to occur.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quartering section burning structure and water heater to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.
The technical scheme adopted for solving the technical problems is as follows:
at first the utility model provides a quartering section burning structure, it includes: the square tube body is provided with a first fire grate group, a second fire grate group, a third fire grate group, a first air injection channel, a second air injection channel and a third air injection channel, the first fire grate group, the second fire grate group and the third fire grate group are sequentially arranged side by side, the outlet end of the first air injection channel is communicated with the first fire grate group, the outlet end of the second air injection channel is communicated with the second fire grate group, the outlet end of the third air injection channel is communicated with the third fire grate group, the first air injection channel is provided with a first section valve, the first section valve is configured to control the on-off of the first air injection channel, the third air injection channel is provided with a second section valve, and the second section valve is configured to control the on-off of the third air injection channel; the main gas supply pipeline is simultaneously communicated with the inlet ends of the first gas injection channel, the second gas injection channel and the third gas injection channel; the flame feedback needle is arranged on the second fire bank group; the ignition needle is arranged on the second fire bank group.
The utility model has the advantages that: when the water heater is started, gas from the main gas supply pipeline can directly flow to the second fire grate group through the second gas injection channel, at the moment, the ignition needle can immediately ignite the gas sprayed by the second fire grate group, so that ignition of the water heater is realized, when the combustion load is adjusted according to different requirements, the connection and disconnection of the first gas injection channel and the third gas injection channel can be respectively controlled through the first sectional valve and the second sectional valve, so that the second fire grate group can be flexibly combined with the second fire grate group and the third fire grate group to operate, a four-section combustion mode can be realized, and the problem of excessive hot water in summer is solved; the fire that has the overlap all the time when switching the burning section position is arranged and is organized promptly the second fire, and the second fire is arranged and is organized for the section position of the constant combustion simultaneously to come to detect the flame signal constantly through flame feedback needle, and judge whether combustion load satisfies the needs this moment, can avoid switching flame-out and the problem of leaving the flame when the section position.
As a further improvement of the above technical solution, the first fire grate group includes a plurality of first nozzles, the second fire grate group includes a plurality of second nozzles, the third fire grate group includes a plurality of third nozzles, the number of the third nozzles is greater than the number of the second nozzles, and the number of the first nozzles is greater than the number of the third nozzles.
When the combustion section position is adjusted, the first section valve and the second section valve are closed, only the second fire grate group carries out jet combustion, namely the first section position is used for carrying out combustion, and the water heater is in a low combustion load mode because the number of second nozzles on the second fire grate group is the minimum; when the second section valve is opened and the first section valve is closed, the second fire grate group and the third fire grate group perform jet combustion, namely, the combustion is performed at a second section position, and as the number of the third nozzles on the third fire grate group is smaller than that of the first nozzles on the first fire grate group and is larger than that of the second nozzles on the second fire grate group, the water heater is in a medium-low combustion load mode; when the first section valve is opened and the second section valve is closed, the second fire grate group and the first fire grate group perform jet combustion, namely, the combustion is performed at a third section position, and at the moment, the water heater is in a medium-high combustion load mode; when the first section valve and the second section valve are opened, the first fire bank group, the second fire bank group and the third fire bank group are all subjected to jet combustion, namely combustion is carried out at the fourth section position, and the water heater is in a high combustion load mode.
As a further improvement of the above technical solution, an inlet end of the third air injection passage is connected to the second air injection passage. When the four-section combustion structure is installed, the outlet end of the main air supply pipeline is connected with the inlet ends of the second air injection channel and the first air injection channel at the same time, and the volume of the four-section combustion structure is reduced.
As a further improvement of the technical scheme, a total gas path proportional valve is connected to the inlet end of the total gas supply path. No matter in which mode of section position burn, all can adjust the gas volume through total gas circuit proportional valve, adjust the combustion load of each section position.
As a further improvement of the above technical solution, the first fire row group, the second fire row group and the third fire row group are respectively provided with two rows, and the two rows of the first fire row group, the two rows of the second fire row group and the two rows of the third fire row group are respectively arranged at intervals.
Each fire bank group is provided with two rows, so that the combustion effect can be improved, and the fuel gas can be completely combusted as far as possible.
As a further improvement of the above technical solution, the flame feedback needle and the ignition needle are respectively disposed right above the second fire bank group. Because the second fire row group generally jets gas upwards, the gas that this moment jetted out can directly be lighted by the ignition needle, and flame feedback needle can directly detect the flame signal.
As a further improvement of the above technical solution, the first and second segment valves are both electrically controlled stop valves.
The opening and closing of the first and second segment valves may be controlled in an electrically controlled manner.
Furthermore the utility model also provides a water heater, it includes foretell four segmentation burning structures.
The four-section combustion structure can realize combustion of four different load sections of the water heater, reduces the small load ratio, can solve the problem of over-burning of the flame and the water temperature in summer, and simultaneously controls the upper section to be sequentially switched, so that the change of the outlet water temperature is not too fast, and the problem of flameout or resonant squeal caused by too large sudden change of the load can not occur.
Drawings
The present invention will be further explained with reference to the drawings and examples;
FIG. 1 is a schematic diagram of a four-staged combustion configuration in accordance with an embodiment of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the square tube main body according to the present invention;
fig. 3 is a schematic diagram of a four-segment combustion structure, which is an embodiment of the four-segment combustion structure, and different fire grate groups are combusted in segments.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 3, the water heater of the present invention comprises the following embodiments:
as shown in fig. 1, the water heater in this embodiment includes a four-segment combustion structure for heating an internal heat exchanger thereof, where the four-segment combustion structure of this embodiment includes a square pipe main body 100, a total air supply pipeline 200, a flame feedback needle 300, and an ignition needle 400, as shown in fig. 2, the square pipe main body 100 is provided with a first fire row group 110, a second fire row group 120, a third fire row group 130, a first air injection passage 140, a second air injection passage 150, and a third air injection passage 160, the first fire row group 110, the second fire row group 120, and the third fire row group 130 are sequentially arranged side by side, an outlet end of the first air injection passage 140 is communicated with the first fire row group 110, an outlet end of the second air injection passage 150 is communicated with the second fire row group 120, an outlet end of the third air injection passage 160 is communicated with the third fire row group 130, where the first fire row group 110 includes a plurality of first nozzles 111, the second fire bank group 120 comprises a plurality of second nozzles 121, the third fire bank group 130 comprises a plurality of third nozzles 131, the number of the third nozzles 131 is greater than that of the second nozzles 121, and the number of the first nozzles 111 is greater than that of the third nozzles 131; the first air injection channel 140 is provided with a first section valve 170, the first section valve 170 is configured to control the on/off of the first air injection channel 140, the third air injection channel 160 is provided with a second section valve 180, and the second section valve 180 is configured to control the on/off of the third air injection channel 160.
The outlet end of the main air supply pipeline 200 is simultaneously communicated with the inlet ends of the first, second and third air injection channels 140, 150 and 160, and the inlet end of the main air supply pipeline 200 is connected with a main air pipeline proportional valve 210.
And the flame feedback needle 300 and the ignition needle 400 are respectively disposed right above the second fire bank group 120.
As shown in fig. 3, the water heater of the present embodiment works as follows: after the whole machine is started, the ignition needle 400 starts to ignite, the total gas path proportional valve 210 is opened, the gas flows to the second fire row group 120 through the second gas injection channel 150, namely the gas is sprayed out by the second nozzle 121 at the first section position and is ignited, the flame feedback needle 300 receives a feedback flame signal, whether the combustion load meets the requirement at the moment is judged, if the combustion load is enough, the load is stabilized, if the combustion load is not enough, the opening degree of the total gas path proportional valve 210 is adjusted, the maximum load is increased to the first section position, and at the moment, the water heater is in a low combustion load mode; if the combustion load does not meet the requirement, the second section valve 180 is opened, and the second fire grate group 120 and the third fire grate group 130 perform jet combustion, that is, the gas is jetted and combusted through the second nozzles 121 and the third nozzles 131 at the second section position, because the number of the third nozzles 131 on the third fire grate group 130 is smaller than the number of the first nozzles 111 on the first fire grate group 110 and is larger than the number of the second nozzles 121 on the second fire grate group 120, the water heater is in a medium-low combustion load mode, and meanwhile, the total gas path proportional valve 210 can also adjust the opening of the total gas path, and if the required load is met, the load combustion is stabilized; if the combustion load does not meet the requirement, the first section valve 170 is opened, the second section valve 180 is closed, the second fire grate group 120 and the first fire grate group 110 perform jet combustion, namely, gas is jetted and combusted through the second nozzle 121 and the first nozzle 111 at the third section position, at the moment, the water heater is in a medium-high combustion load mode, meanwhile, the total gas path proportional valve 210 can also adjust the opening of the total gas path, and if the required load is met, the load combustion is stabilized; if the combustion load does not meet the requirement, the first section valve 170 and the second section valve 180 are opened, the first fire bank group 110, the second fire bank group 120 and the third fire bank group 130 all perform jet combustion, namely, gas is jetted and combusted through the first nozzle 111, the second nozzle 121 and the third nozzle 131 at the fourth section position, at the moment, the water heater is in a high combustion load mode, meanwhile, the total gas path proportional valve 210 can also adjust the opening of the total gas path, and if the required load is met, the load combustion is stabilized. The burning of four different load section positions that can realize the water heater reduces little load ratio, can solve from the problem of flame and the problem that the temperature of summer water is crossed and scalds, and the control section position switches over in proper order simultaneously for the leaving water temperature change can not be too fast. When the combustion section is switched, the overlapped fire rows are the second fire row group 120 all the time, meanwhile, the second fire row group 120 is the normally-fired section, the flame signal is detected constantly through the flame feedback needle 300, whether the combustion load meets the requirement or not is judged, and the problems of flameout and flame separation when the section is switched can be avoided.
Further, the inlet end of the third air injection passage 160 is connected to the second air injection passage 150. When it is installed, the outlet end of the main air supply line 200 is connected to the inlet ends of the second and first air injection passages 150 and 140 at the same time, and the volume of the four-stage combustion structure is reduced.
In order to improve the combustion effect and enable the gas to be completely combusted as much as possible, two rows of the first fire row group 110, the second fire row group 120 and the third fire row group 130 are arranged, and the two rows of the first fire row group 110, the two rows of the second fire row group 120 and the two rows of the third fire row group 130 are arranged at intervals.
The first section valve 170 and the second section valve 180 are both electrically controlled stop valves, and the opening and closing of the first section valve 170 and the second section valve 180 can be controlled in an electrically controlled manner.
In some embodiments, the number of nozzles in the first, second, and third fire groups 110, 120, 130 may be adjusted arbitrarily, depending on the manner of control.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (8)
1. A four-segment combustion structure is characterized in that: it includes:
the square pipe main body (100) is provided with a first fire grate group (110), a second fire grate group (120), a third fire grate group (130), a first air injection channel (140), a second air injection channel (150) and a third air injection channel (160), the first fire grate group (110), the second fire grate group (120) and the third fire grate group (130) are sequentially arranged side by side, the outlet end of the first air injection channel (140) is communicated with the first fire grate group (110), the outlet end of the second air injection channel (150) is communicated with the second fire grate group (120), the outlet end of the third air injection channel (160) is communicated with the third fire grate group (130), the first air injection channel (140) is provided with a first section valve (170), the first section valve (170) is configured to control the on-off of the first air injection channel (140), and the third air injection channel (160) is provided with a second section valve (180), the second segment valve (180) is configured to regulate the on-off of the third air injection channel (160);
a main gas supply line (200) communicating with inlet ends of the first, second and third gas injection channels (140, 150, 160) simultaneously;
a flame feedback needle (300) disposed on the second fire bank group (120);
and the ignition needle (400) is arranged on the second fire bank group (120).
2. A four-segment combustion structure as claimed in claim 1, wherein:
the first fire grate group (110) comprises a plurality of first nozzles (111), the second fire grate group (120) comprises a plurality of second nozzles (121), the third fire grate group (130) comprises a plurality of third nozzles (131), the number of the third nozzles (131) is larger than that of the second nozzles (121), and the number of the first nozzles (111) is larger than that of the third nozzles (131).
3. A four-segment combustion structure as claimed in claim 1, wherein:
the inlet end of the third gas injection channel (160) is connected to the second gas injection channel (150).
4. A four-segment combustion structure as claimed in claim 1, wherein:
and a main gas path proportional valve (210) is connected to the inlet end of the main gas supply line (200).
5. A four-segment combustion structure as claimed in claim 1, wherein:
the first fire row group (110), the second fire row group (120) and the third fire row group (130) are arranged in two rows, and the first fire row group (110), the second fire row group (120) and the third fire row group (130) are arranged at intervals.
6. A four-segment combustion structure as claimed in claim 1, wherein:
the flame feedback needle (300) and the ignition needle (400) are respectively arranged right above the second fire bank group (120).
7. A four-segment combustion structure as claimed in claim 1, wherein:
the first section valve (170) and the second section valve (180) are both electric control stop valves.
8. A water heater, characterized in that: comprising a four-segment combustion structure as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022097728.4U CN213362472U (en) | 2020-09-22 | 2020-09-22 | Four-segment combustion structure and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022097728.4U CN213362472U (en) | 2020-09-22 | 2020-09-22 | Four-segment combustion structure and water heater |
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| Publication Number | Publication Date |
|---|---|
| CN213362472U true CN213362472U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022097728.4U Active CN213362472U (en) | 2020-09-22 | 2020-09-22 | Four-segment combustion structure and water heater |
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| CN (1) | CN213362472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115371266A (en) * | 2022-08-25 | 2022-11-22 | 珠海格力电器股份有限公司 | Wall-mounted furnace and control method and device thereof |
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2020
- 2020-09-22 CN CN202022097728.4U patent/CN213362472U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115371266A (en) * | 2022-08-25 | 2022-11-22 | 珠海格力电器股份有限公司 | Wall-mounted furnace and control method and device thereof |
| CN115371266B (en) * | 2022-08-25 | 2024-05-24 | 珠海格力电器股份有限公司 | Wall-mounted furnace, control method and device of wall-mounted furnace |
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