CN215002301U - Air-cooled combustion chamber assembly and lower drum type gas water heater - Google Patents
Air-cooled combustion chamber assembly and lower drum type gas water heater Download PDFInfo
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- CN215002301U CN215002301U CN202121268792.2U CN202121268792U CN215002301U CN 215002301 U CN215002301 U CN 215002301U CN 202121268792 U CN202121268792 U CN 202121268792U CN 215002301 U CN215002301 U CN 215002301U
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Abstract
An air-cooled combustion chamber assembly and a lower drum type gas water heater are disclosed, the air-cooled combustion chamber assembly comprises a coaming, a front heat insulation plate, a rear heat insulation plate, a left heat insulation plate, a right heat insulation plate, a gas burner, a secondary air inlet plate and an observation window plate, and a punching flanging on a second ignition needle/induction needle hole is opposite to a first ignition needle/induction needle hole on the coaming; the ignition needle/induction needle penetrates through the first ignition needle/induction needle hole, the punching flanging and the second ignition needle/induction needle hole; the punching flanging on the inner window is opposite to the outer window. The lower drum type gas water heater comprises a bottom shell, a blower, the air-cooled combustion chamber assembly bottom cover, a heat exchanger and a smoke collecting hood, wherein the punching flanging on the second ignition needle/induction needle hole prevents air in a right cooling air duct from entering the second ignition needle/induction needle hole and prevents local high temperature; the setting of the flanging of punching a hole on the interior window prevents that the air in the preceding cooling air duct from getting into the interior window, has prevented local high temperature, and combustor flame is stable, optimizes the fume emission index, has improved the efficiency.
Description
Technical Field
The utility model relates to a gas heater, especially a lower drum gas heater.
Background
In the prior art, a lower drum type gas water heater comprises a bottom shell with a front opening, a blower, an air-cooled combustion chamber assembly, an ignition needle/induction needle, a heat exchanger and a smoke collecting hood, wherein the air-cooled combustion chamber assembly comprises a coaming with an upper opening and a lower opening, a front heat insulation plate, a rear heat insulation plate, a left heat insulation plate, a right heat insulation plate, a gas burner, a secondary air inlet plate and a bottom cover; the blower is communicated with the air inlet interface, the heat exchanger is arranged at the upper end of the enclosing plate, and the smoke collecting hood is arranged on the heat exchanger; a first ignition needle/induction pinhole and a second ignition needle/induction pinhole are respectively arranged on one side plate and the right heat insulation plate of the coaming, an outer window and an inner window are respectively arranged on the front plate and the front heat insulation plate of the coaming, and the observation window plate is matched with the outer window. There are problems: a second ignition needle/induction needle hole on the right insulation board is directly communicated with the right cooling air duct, and flame burns at the second ignition needle/induction needle hole to cause local high temperature; the inner window on the front heat insulation plate is directly communicated with the front cooling air channel, and the flame burns at the inner window to cause local high temperature, so that the stability of the flame of a burner is influenced, and the smoke is poor and the energy efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: an air-cooled combustion chamber assembly is provided which has the characteristics of stable flame of a burner and no flame at an inner window and a second ignition needle/induction needle hole.
The utility model discloses a realize like this: an air-cooled combustion chamber assembly comprises a coaming with an upper opening and a lower opening, a front heat insulation board, a rear heat insulation board, a left heat insulation board, a right heat insulation board, a gas burner, a secondary air inlet board and an observation window board, wherein a first ignition needle/induction pinhole and a second ignition needle/induction pinhole are respectively arranged on one side board of the coaming and the right heat insulation board, and an outer window and an inner window are respectively arranged on the front board of the coaming and the front heat insulation board; the observation window plate is matched with the outer window; it is characterized in that: a punching flanging is arranged on the second ignition needle/induction needle hole and is opposite to the first ignition needle/induction needle hole on the side plate of the coaming; the ignition needle/induction needle penetrates through the first ignition needle/induction needle hole, the punching flanging and the second ignition needle/induction needle hole;
the inner window is provided with a punching flanging which is opposite to the outer window.
The air-cooled combustion chamber assembly is characterized in that: and a gap is formed between the end part of the punching flanging on the second ignition needle/induction needle hole and the side plate of the enclosing plate or the end part of the punching flanging on the second ignition needle/induction needle hole is attached to the side plate of the enclosing plate.
The air-cooled combustion chamber assembly is characterized in that: and a gap is formed between the punching flanging on the inner window and the front plate of the coaming or the joint is formed.
The air-cooled combustion chamber assembly is characterized in that: the front plate of the coaming is provided with a window plate cavity with a rear opening, and the front end plate of the window plate cavity is provided with the outer window;
the observation window board is arranged in the window board cavity, and the punching flanging of the inner window is inserted into the window board cavity to fix the observation window board.
A lower drum type gas water heater is characterized in that: the air-cooled combustion chamber comprises a bottom shell, an air blower, the air-cooled combustion chamber component bottom cover, a heat exchanger and a smoke collecting hood, wherein an air inlet interface is arranged on the bottom cover; the air blower is communicated with the air inlet interface, the heat exchanger is arranged at the upper end of the enclosing plate, and the smoke collecting hood is arranged on the heat exchanger.
The utility model relates to an air-cooled combustion chamber component, the punching flanging is arranged on the second ignition needle/induction pinhole to prevent the air of the right cooling air duct from entering the second ignition needle/induction pinhole and prevent local high temperature; the setting of the flanging of punching a hole on the interior window prevents that the air in the preceding cooling air duct from getting into the interior window, has prevented local high temperature, and combustor flame is stable, optimizes the fume emission index, has improved the efficiency. The lower blowing type gas water heater has the features of stable flame, controllable wall temperature of the combustor, excellent exhaust and high energy efficiency.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view of the air-cooled combustor assembly of the present invention.
Fig. 3 is a partially enlarged view of fig. 2.
Fig. 4 is a view a-a of fig. 2.
Fig. 5 is a partially enlarged view of fig. 4.
Fig. 6 is a perspective view of the air-cooled combustor assembly of the present invention.
Fig. 7 is one of the exploded perspective views of the cold combustion chamber assembly of the present invention.
Fig. 8 is a second exploded perspective view of the cold combustion chamber assembly of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, a bottom-drum gas water heater comprises a bottom shell 1 with a front opening, a blower 2, an air-cooled combustion chamber assembly 3, an ignition needle/induction needle 4, a heat exchanger 5 and a smoke collection hood 6, wherein the air-cooled combustion chamber assembly 3 comprises a shroud 31 with an upper opening and a lower opening, a front heat insulation plate 32, a rear heat insulation plate 33, a left heat insulation plate 34, a right heat insulation plate 35, a gas burner 36, a secondary air inlet plate 37 and a bottom cover 38, the front heat insulation plate 32 and the front plate of the shroud 31 form a front cooling air duct, the rear heat insulation plate 32 and the rear plate of the shroud 31 form a rear cooling air duct, the left heat insulation plate 33 and the left plate of the shroud 31 form a left cooling air duct, the right heat insulation plate 34 and the right side of the shroud 31 form a right cooling air duct, and the bottom cover 38 is provided with an air inlet interface 381; the blower 2 is communicated with the air inlet port 381, the heat exchanger 5 is arranged at the upper end of the enclosing plate 31, and the smoke collecting hood 6 is arranged on the heat exchanger 5; a first ignition needle/induction pinhole/induction needle 311 is arranged on one side plate of the enclosing plate 31, a second ignition needle/induction pinhole/induction needle 351 is arranged on the right heat insulation plate 35, an outer window 312 is arranged on the front plate of the enclosing plate 31, an inner window 321 is arranged on the front heat insulation plate 32, and an observation window plate (not shown in the figure) is matched with the outer window 312; .
A punching flanging 352 is arranged on the second ignition needle/induction needle hole 351, and the punching flanging 352 is opposite to the first ignition needle/induction needle hole 311 on the side plate of the enclosing plate 31; the ignition needle/induction needle 4 penetrates through the first ignition needle/induction needle hole 311, the punching flanging 352 and the second ignition needle/induction needle hole 351; when the air flows from bottom to top in the right cooling air duct, the air is prevented from entering the second ignition needle/induction needle hole 311, the arrangement of the punching flanging 352 guides the flame of the gas burner 36 to the second ignition needle/induction needle hole 351 to form local high temperature, the flame stability of the gas burner 36 is improved, the smoke emission index is optimized, and the energy efficiency is improved;
the inner window 321 is provided with a punching flange 322, and the punching flange 322 is opposite to the outer window 312. Due to the arrangement of the punching flanging 322, when air flows from bottom to top in the front cooling air duct, the air is prevented from entering the inner window 312, flame of the gas burner 36 is guided to the inner window 321 to form local high temperature, the flame stability of the gas burner 36 is improved, the smoke emission index is optimized, and the energy efficiency is improved.
A gap is formed or is attached between the end of the punching flange 352 on the second ignition needle/sensing needle hole 351 and the side plate of the enclosing plate 31.
A gap or fit is reserved between the punching flange 322 on the inner window 321 and the front plate of the coaming 31.
As a further improvement of the utility model: a front plate of the coaming 31 is provided with a window plate cavity 313 with a rear opening, and a front end plate of the window plate cavity 313 is provided with the outer window 312;
the observation window plate is arranged in the window plate cavity 313, and the punching flange 322 of the inner window 321 is inserted into the window plate cavity 313 to fix the observation window plate.
The ignition/induction needle mounting position and the observation window position are not limited to a fixed surface of the combustion chamber.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (5)
1. An air-cooled combustion chamber assembly comprises a coaming with an upper opening and a lower opening, a front heat insulation board, a rear heat insulation board, a left heat insulation board, a right heat insulation board, a gas burner, a secondary air inlet board and an observation window board, wherein a first ignition needle/induction pinhole and a second ignition needle/induction pinhole are respectively arranged on one side board of the coaming and the right heat insulation board, and an outer window and an inner window are respectively arranged on the front board of the coaming and the front heat insulation board; the observation window plate is matched with the outer window; the method is characterized in that: a punching flanging is arranged on the second ignition needle/induction needle hole and is opposite to the first ignition needle/induction needle hole on the side plate of the coaming; the ignition needle/induction needle penetrates through the first ignition needle/induction needle hole, the punching flanging and the second ignition needle/induction needle hole;
the inner window is provided with a punching flanging which is opposite to the outer window.
2. An air-cooled combustor assembly as set forth in claim 1, wherein: and a gap is formed between the end part of the punching flanging on the second ignition needle/induction needle hole and the side plate of the enclosing plate or the end part of the punching flanging on the second ignition needle/induction needle hole is attached to the side plate of the enclosing plate.
3. An air-cooled combustor assembly as set forth in claim 1, wherein: and a gap is formed between the punching flanging on the inner window and the front plate of the coaming or the joint is formed.
4. An air-cooled combustor assembly as claimed in claim 1, 2 or 3, wherein: the front plate of the coaming is provided with a window plate cavity with a rear opening, and the front end plate of the window plate cavity is provided with the outer window;
the observation window board is arranged in the window board cavity, and the punching flanging of the inner window is inserted into the window board cavity to fix the observation window board.
5. The utility model provides a lower drum-type gas heater which characterized in that: the air-cooled combustion chamber comprises a bottom shell, a blower, an air-cooled combustion chamber assembly as claimed in any one of claims 1 to 4, a bottom cover, a heat exchanger and a smoke collecting hood, wherein an air inlet interface is arranged on the bottom cover; the air blower is communicated with the air inlet interface, the heat exchanger is arranged at the upper end of the enclosing plate, and the smoke collecting hood is arranged on the heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268792.2U CN215002301U (en) | 2021-06-07 | 2021-06-07 | Air-cooled combustion chamber assembly and lower drum type gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268792.2U CN215002301U (en) | 2021-06-07 | 2021-06-07 | Air-cooled combustion chamber assembly and lower drum type gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215002301U true CN215002301U (en) | 2021-12-03 |
Family
ID=79130400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121268792.2U Active CN215002301U (en) | 2021-06-07 | 2021-06-07 | Air-cooled combustion chamber assembly and lower drum type gas water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215002301U (en) |
-
2021
- 2021-06-07 CN CN202121268792.2U patent/CN215002301U/en active Active
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