CN214198718U - Little flame burning system portion dress and water heater of discharging fume - Google Patents

Little flame burning system portion dress and water heater of discharging fume Download PDF

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Publication number
CN214198718U
CN214198718U CN202022544947.2U CN202022544947U CN214198718U CN 214198718 U CN214198718 U CN 214198718U CN 202022544947 U CN202022544947 U CN 202022544947U CN 214198718 U CN214198718 U CN 214198718U
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smoke
smoke exhaust
plate
heat exchanger
folded
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CN202022544947.2U
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艾穗江
吴鹏成
刘兵
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Guangdong Macro Gas Appliance Co Ltd
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Guangdong Macro Gas Appliance Co Ltd
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Abstract

The utility model discloses a micro-flame combustion smoke exhaust system part and a water heater, wherein the smoke exhaust system part comprises a smoke collecting hood and a turbine fan, the smoke collecting hood comprises a support plate and two folded plates which are respectively bent downwards and obliquely outwards from the left end and the right end of the support plate, the middle part of the support plate is provided with a smoke outlet, the front edges and the rear edges of the folded plates and the support plate are respectively bent with a first folded edge, and the first folded edge is provided with a first fixing hole; the turbofan is provided with smoke suction port and exhaust port, and the smoke suction port is connected with the outlet flue, compares with the collection petticoat pipe that many sheet metal components of current riveting or welding formed, has reduced the cost of manufacturing. The water heater comprises the smoke exhaust system, the machine body, a cover plate, a bottom plate, a heat exchanger and a burner, wherein the cover plate, the bottom plate, the heat exchanger and the burner are arranged in the machine body, the cover plate and the bottom plate are arranged in a front-back mode, and the smoke collecting hood, the heat exchanger and the burner are sequentially arranged between the cover plate and the bottom plate from top to bottom. The high-temperature flue gas passing through the heat exchanger can be more balanced, and the combustion of the fuel gas is more sufficient and stable.

Description

Little flame burning system portion dress and water heater of discharging fume
Technical Field
The utility model relates to a technical field of water heater, in particular to little flame burning system portion dress and water heater of discharging fume.
Background
The smoke exhaust system of the existing gas water heater generally comprises a fan and a smoke collecting hood, the smoke collecting hood plays a role in guiding and collecting smoke, and when the smoke exhaust system is in actual operation, the force for extracting high-temperature smoke is unbalanced, so that the air entering a combustor is not uniformly distributed, local gas is insufficiently combusted, the heat of a heat exchanger is not uniformly heated, and the heat efficiency of the water heater and the service life of the heat exchanger are influenced; meanwhile, the structure of the existing smoke collecting hood is complex, during installation, the smoke collecting hood needs to be fixed with a casing through a mounting support, mounting holes are prone to being staggered between mounting support legs and the casing when tolerance fit is improper, installation is affected, in addition, the number of sheet metal parts of the existing smoke collecting hood is large, the complexity of increased installation is inconvenient to install and maintain a smoke discharging system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a little flame burning system portion dress and water heater of discharging fume to solve one or more technical problem that exist among the prior art, provide a profitable selection or creation condition at least.
The technical scheme adopted for solving the technical problems is as follows:
at first the utility model provides a little flame burning system portion dress of discharging fume, it includes: the exhaust fume collecting hood comprises a support plate and two folded plates, wherein the support plate is horizontally arranged from left to right, the two folded plates are respectively bent and inclined downwards from the left end and the right end of the support plate outwards, a fume outlet which is communicated from top to bottom is formed in the middle of the support plate, the two folded plates are symmetrically arranged from left to right, first folded edges are respectively bent at the front edges and the rear edges of the folded plates and the support plate, and first fixing holes are formed in the first folded edges; the turbofan is provided with a smoke suction port and a smoke outlet, is mounted on the upper wall surface of the supporting plate, and is connected with the smoke outlet.
The utility model has the advantages that: when the exhaust hood is used, the turbofan and the exhaust hood are connected into a whole, and then the exhaust hood is fixedly installed through the first fixing holes in the front first folding edge and the rear first folding edge; in addition, two folded plates are respectively certainly both ends are outwards to be down the slope and buckle about the backup pad, and the outlet flue is provided with the middle part of backup pad for the flue gas of the left and right sides can be followed two folded plates and flowed to the outlet flue, reduces the resistance of flue gas circulation, makes the flue gas through the heat exchanger more balanced, is favorable to the stability of gas abundant burning and flame, can satisfy the operating mode of little flame burning, also improves the heat exchange efficiency and the life of heat exchanger.
As a further improvement of the technical scheme, the lower edges of the two folded plates are respectively outwards bent to form a second folded edge, and the second folded edge is provided with a second fixing hole.
When the installation, still can fix through the second fixed orifices on two second hems, at this moment the second fixed orifices on the second hem mainly with heat exchanger fixed connection, one can improve the fastness of collection petticoat pipe installation, two come also to make the structure of water heater compacter.
As a further improvement of the technical scheme, a plurality of third fixing holes are uniformly distributed on the periphery of the smoke outlet, and the turbofan is connected with the plurality of third fixing holes.
When the installation, the bottom of turbofan is connected with a plurality of third fixed orificess.
As a further improvement of the above technical solution, the turbofan includes a volute, a wind wheel and a motor, the smoke suction port is disposed at the bottom of the volute, the smoke discharge port is disposed on the peripheral wall of the volute, the wind wheel is disposed in the volute, the rotation axis of the wind wheel extends up and down, the rotation axis of the wind wheel is disposed coaxially with the smoke suction port, the motor is fixed on the top surface of the volute, and the output shaft of the motor passes through the outer wall of the volute and then is coaxially connected with the wind wheel.
When the motor is in operation, the motor drives the wind wheel to rotate, the wind wheel sucks smoke into the volute from the smoke suction port and then discharges the smoke from the smoke discharge port, and the motor is fixed on the top surface of the volute and can be conveniently maintained.
As a further improvement of the above technical solution, a plurality of brackets are fixedly connected to a top surface of the volute, and the volute is connected to the motor through the plurality of brackets.
Because when the wind wheel is in operation, the volute can vibrate, the motor is fixed through the plurality of supports, a certain vibration reduction effect can be achieved, the service life of the motor is prolonged, the failure rate is reduced, and the stability of the wind wheel in rotation is improved.
As a further improvement of the technical scheme, the smoke exhaust port is connected with a smoke exhaust pipe. The flue gas is discharged from the smoke discharge pipe.
Furthermore, the utility model also provides a water heater, it includes: foretell little flame burning system portion dress and organism of discharging fume, set up apron, bottom plate, heat exchanger and combustor in the organism, the apron sets up around being with the bottom plate, collection petticoat pipe, heat exchanger, combustor down set up in proper order from last between apron and the bottom plate, the first fixed orifices fixed connection on apron and the first edge of folding of front side, the first fixed orifices fixed connection on bottom plate and the first edge of folding of rear side.
At this time, a smoke collecting cavity is formed among the smoke collecting hood, the heat exchanger, the cover plate and the bottom plate, and a combustion cavity is formed among the combustor, the heat exchanger cover plate and the bottom plate. When the water heater works, high-temperature flue gas generated by combustion enters the smoke collecting hood after passing through the heat exchanger and is exhausted by the turbine fan; the smoke outlet is positioned in the middle of the supporting plate, namely the smoke collecting cover is positioned in the middle of the smoke cover, so that high-temperature smoke passing through the heat exchanger is more balanced, and the gas combustion is more sufficient and stable.
Meanwhile, when maintenance is carried out, only the cover plate needs to be disassembled, and the combustor, the heat exchanger and the smoke exhaust system can be disassembled and assembled independently, so that connection among parts is simplified, the parts can be disassembled and assembled independently, and the whole machine assembly and after-sale maintenance are facilitated.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic structural view of an embodiment of a micro-flame combustion smoke evacuation system according to the present invention, wherein two arrows respectively indicate a forward direction and a backward direction, wherein two arrows respectively indicate an upward direction and a downward direction, wherein two arrows respectively indicate a left direction and a right direction;
fig. 2 is a schematic structural view of an embodiment of the smoke collecting hood provided by the present invention;
fig. 3 is a schematic structural diagram of components in the water heater according to an embodiment of the present invention, wherein two arrows respectively indicate a forward direction and a backward direction, wherein two arrows respectively indicate an upward direction and a downward direction, and wherein two arrows respectively indicate a left direction and a right direction;
fig. 4 is an exploded view of the components in the water heater according to an embodiment of the present invention.
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 2, the embodiment of the system for exhausting smoke by micro-flame combustion of the present invention is as follows:
the little flame burning system of discharging fume of this embodiment dress includes collection petticoat pipe 100, turbofan 200, wherein collection petticoat pipe 100 including be about the backup pad 110 that the level set up, two respectively certainly both ends outwards are down the folded plate 120 of slope buckling about backup pad 110 the middle part of backup pad 110 is provided with the outlet 111 that is link up from top to bottom, two folded plate 120 is bilateral symmetry and sets up. And turbofan 200 includes volute 210, wind wheel and motor 220, and the bottom of volute 210 is provided with the smoking mouth, and volute 210 periphery wall is provided with the exhaust port, and the wind wheel sets up in volute 210, the axis of rotation of wind wheel is the upper and lower extension setting, the axis of rotation of wind wheel with the coaxial setting of smoking mouth, motor 220 is fixed in the top surface of volute 210, the output shaft of motor 220 passes behind the outer wall of volute 210 with wind wheel coaxial coupling, volute 210 is fixed in the upper surface of backup pad 110, just smoking mouth with exhaust port 111 connects. When the gas-fired boiler operates, the motor 220 drives the wind wheel to rotate, the wind wheel sucks the smoke into the volute 210 from the smoke suction port and then discharges the smoke from the smoke discharge port, the two folding plates 120 are respectively outwards bent in a downward inclining manner at the left end and the right end of the supporting plate 110, and the smoke discharge port 111 is provided with the middle part of the supporting plate 110, so that the smoke at the left side and the right side can flow to the smoke discharge port 111 along the two folding plates 120, the resistance of smoke circulation is reduced, full combustion of gas and stability of flame are facilitated, and the working condition of micro-flame combustion can be met.
In order to prolong the service life of the motor 220, reduce the failure rate and improve the stability of the rotation of the wind wheel, the plurality of brackets 230 are fixedly connected to the top surface of the volute 210, the volute 210 is connected with the motor 220 through the plurality of brackets 230, and as the volute 210 vibrates during operation, and the motor 220 is fixed through the plurality of brackets 230, a certain vibration reduction effect can be achieved.
And a smoke exhaust pipe 240 is connected to the smoke exhaust port. The flue gas is discharged from the smoke discharge pipe 240.
Simultaneously, the leading edge and the back edge of folded plate 120 and backup pad 110 have all been buckled first hem 130, first hem 130 is provided with first fixed orifices 131, and the quantity of first fixed orifices 131 is a plurality of outlet 111's equipartition all around has a plurality of third fixed orifices 112, when the installation, spiral case 210 is with a plurality of third fixed orifices 112 are connected for turbofan 200 is connected as an organic wholely with collection petticoat pipe 100, carries out fixed mounting through first fixed orifices 131 on the first hem 130 of front side and the first hem 130 of rear side afterwards, owing to collect petticoat pipe 100 through backup pad 110 and the plate that two folded plates 120 buckle and form, compare with the collection petticoat pipe that many sheet metal parts of current riveting or welding formed, have reduced the cost of manufacturing, also improve structural strength.
Further, the lower edges of the two folded plates 120 are both bent outward to form second folded edges 140, the second folded edges 140 are provided with second fixing holes 141, and when the water heater is installed, the water heater can be fixed through the second fixing holes 141 on the two second folded edges 140, at this time, the second fixing holes 141 on the second folded edges 140 are mainly fixedly connected with the heat exchanger 500, so that the installation firmness of the smoke collecting hood 100 can be improved, and the structure of the water heater is more compact.
As shown in fig. 3 and 4, the present embodiment also provides a water heater, which includes: the micro-flame combustion smoke exhaust system comprises a machine body, a cover plate 300, a bottom plate 400, a heat exchanger 500 and a burner, wherein the cover plate 300 and the bottom plate 400 are arranged front and back, when the micro-flame combustion smoke exhaust system is installed, the bottom plate 400 is fixed on the inner wall of the machine body, the smoke collecting hood 100, the heat exchanger 500 and the burner are sequentially arranged between the cover plate 300 and the bottom plate 400 from top to bottom, namely, the cover plate 300 covers the front sides of the smoke collecting hood 100, the heat exchanger 500 and the burner, the cover plate 300 is fixedly connected with a first fixing hole 131 on a first folding edge 130 at the front side, the bottom plate 400 is fixedly connected with a first fixing hole 131 on a first folding edge 130 at the rear side, a second fixing hole 141 on a second folding edge 140 is fixedly connected with the heat exchanger 500, a smoke collecting cavity is formed between the smoke collecting hood 100, the heat exchanger 500, the cover plate 300 and the bottom plate 400, and a combustion, when the water heater works, high-temperature flue gas generated by combustion enters the smoke collecting hood after passing through the heat exchanger 500 and is exhausted by the turbofan 200; the smoke outlet 111 is located in the middle of the support plate 110, namely the smoke collecting hood 100 is located in the middle of the smoke hood, so that high-temperature smoke passing through the heat exchanger is more balanced, and the gas combustion is more sufficient and stable.
No mounting bracket is arranged on the fume collecting hood 100, and the fume collecting hood 100 is not directly fixed with the machine body, so that the assembly is prevented from being influenced by dislocation caused by tolerance accumulation.
When the maintenance is carried out, only the cover plate 300 needs to be disassembled, and the combustor, the heat exchanger 500 and the smoke exhaust system can be assembled and disassembled independently, so that the connection among the parts is simplified, the parts can be assembled and disassembled independently, and the whole machine assembly and after-sale maintenance are convenient.
In some embodiments, the first fixing hole 131, the second fixing hole 141, and the third fixing hole 112 may be screw holes, which are fixed by screws, or rivet holes, which are fixed by riveting.
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 (7)

1. The utility model provides a little flame burning system portion dress of discharging fume which characterized in that: it includes:
the smoke collecting hood (100) comprises a supporting plate (110) which is horizontally arranged from left to right and two folded plates (120) which are respectively bent downwards in an inclined mode from the left end and the right end of the supporting plate (110), a smoke outlet (111) which is communicated from top to bottom is formed in the middle of the supporting plate (110), the two folded plates (120) are symmetrically arranged from left to right, first folded edges (130) are respectively bent at the front edges and the rear edges of the folded plates (120) and the supporting plate (110), and first fixing holes (131) are formed in the first folded edges (130);
the turbofan (200) is provided with a smoke suction port and a smoke exhaust port, the turbofan (200) is installed on the upper wall surface of the support plate (110), and the smoke suction port is connected with the smoke exhaust port (111).
2. A micro-flame combustion smoke exhaust system subassembly as claimed in claim 1, wherein:
the lower edges of the two folded plates (120) are respectively bent outwards to form a second folded edge (140), and the second folded edge (140) is provided with a second fixing hole (141).
3. A micro-flame combustion smoke exhaust system subassembly as claimed in claim 1, wherein:
a plurality of third fixing holes (112) are uniformly distributed around the smoke outlet (111), and the turbofan (200) is connected with the plurality of third fixing holes (112).
4. A micro-flame combustion smoke exhaust system subassembly as claimed in claim 1, wherein:
turbofan (200) includes spiral case (210), wind wheel and motor (220), the smoking mouth sets up in the bottom of spiral case (210), the exhaust port sets up on spiral case (210) periphery wall, the wind wheel sets up in spiral case (210), the rotation axis of wind wheel extends the setting from top to bottom, the rotation axis of wind wheel with the coaxial setting of smoking mouth, motor (220) are fixed in the top surface of spiral case (210), the output shaft of motor (220) passes behind the outer wall of spiral case (210) with wind wheel coaxial coupling.
5. A micro-flame combustion smoke exhaust system subassembly according to claim 4, wherein:
a plurality of brackets (230) are fixedly connected to the top surface of the volute (210), and the volute (210) is connected with the motor (220) through the plurality of brackets (230).
6. A micro-flame combustion smoke exhaust system subassembly according to claim 4, wherein:
the smoke outlet is connected with a smoke exhaust pipe (240).
7. A water heater, comprising: the micro-flame combustion smoke exhaust system assembly according to any one of claims 1 to 6, further comprising a machine body, a cover plate (300) arranged in the machine body, a bottom plate (400), a heat exchanger (500) and a burner, wherein the cover plate (300) and the bottom plate (400) are arranged in a front-back manner, the smoke collecting hood (100), the heat exchanger (500) and the burner are arranged between the cover plate (300) and the bottom plate (400) from top to bottom in sequence, the cover plate (300) is fixedly connected with the first fixing hole (131) on the first folding edge (130) at the front side, and the bottom plate (400) is fixedly connected with the first fixing hole (131) on the first folding edge (130) at the rear side.
CN202022544947.2U 2020-11-06 2020-11-06 Little flame burning system portion dress and water heater of discharging fume Active CN214198718U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022544947.2U CN214198718U (en) 2020-11-06 2020-11-06 Little flame burning system portion dress and water heater of discharging fume

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022544947.2U CN214198718U (en) 2020-11-06 2020-11-06 Little flame burning system portion dress and water heater of discharging fume

Publications (1)

Publication Number Publication Date
CN214198718U true CN214198718U (en) 2021-09-14

Family

ID=77644484

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022544947.2U Active CN214198718U (en) 2020-11-06 2020-11-06 Little flame burning system portion dress and water heater of discharging fume

Country Status (1)

Country Link
CN (1) CN214198718U (en)

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