CN216159343U - Self-suction normal pressure gas-fired hot water boiler - Google Patents
Self-suction normal pressure gas-fired hot water boiler Download PDFInfo
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- CN216159343U CN216159343U CN202122211010.8U CN202122211010U CN216159343U CN 216159343 U CN216159343 U CN 216159343U CN 202122211010 U CN202122211010 U CN 202122211010U CN 216159343 U CN216159343 U CN 216159343U
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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Abstract
The application relates to the technical field of boilers, in particular to a self-suction normal-pressure gas-fired hot water boiler which comprises a boiler body; the closed box body is fixedly connected to the furnace body; the smoke inlet pipe is fixedly connected to the outer side of the closed box body, and one end of the smoke inlet pipe, which is far away from the closed box body, is fixedly connected with the furnace body; the smoke outlet pipe is fixedly connected to the closed box body; the condensed water outlet is fixedly connected to one side of the closed box body corresponding to the smoke inlet pipe; the circulating heat exchange tube is fixedly connected inside the closed box body; the liquid inlet pipe is fixedly connected to one end of the circulating heat exchange pipe; the liquid outlet pipe is fixedly connected to one end of the circulating heat exchange pipe, which is far away from the liquid inlet pipe; and the heat-insulating layer is fixedly connected on the inner wall of the closed box body. Self-suction normal pressure gas-fired hot water boiler means the normal pressure hot water boiler that utilizes the gas heating, belongs to the category of civilian life boiler, and its leading features is that the boiler does not bear the pressure, does not have the potential safety hazard, and mainly used heating and production hot water are one of common boiler variety, and this application is through setting up heat exchange tube and heat preservation to it is lower to solve flue gas waste heat recovery efficiency, causes the wasting of resources easily.
Description
Technical Field
The utility model relates to a technical field of boiler especially relates to a from inhaling formula ordinary pressure gas-fired hot water boiler.
Background
The self-suction type normal pressure gas-fired hot water boiler is a normal pressure hot water boiler heated by gas, and belongs to the field of domestic boilers. In the combustion process of boiler gas, the flue gas with a large amount of high heat quantity can be generated and directly discharged from the exhaust port, the flue gas waste heat recovery efficiency is low, and the resource waste is easily caused.
Disclosure of Invention
The application provides a from inhaling formula ordinary pressure gas boiler, through setting up heat exchange tube and heat preservation to it is lower to solve flue gas waste heat recovery efficiency, causes the wasting of resources easily.
The above application purpose of the present application is achieved by the following technical solutions:
a self-suction atmospheric gas-fired hot water boiler comprising:
a furnace body;
the closed box body is fixedly connected to the furnace body;
the smoke inlet pipe is fixedly connected to the outer side of the closed box body, and one end of the smoke inlet pipe, which is far away from the closed box body, is fixedly connected with the furnace body;
the smoke outlet pipe is fixedly connected to the closed box body;
the condensed water outlet is fixedly connected to one side of the closed box body corresponding to the smoke inlet pipe;
the circulating heat exchange tube is fixedly connected inside the closed box body;
the liquid inlet pipe is fixedly connected to one end of the circulating heat exchange pipe;
the liquid outlet pipe is fixedly connected to one end of the circulating heat exchange pipe, which is far away from the liquid inlet pipe;
and the heat-insulating layer is fixedly connected on the inner wall of the closed box body.
Optionally, the circulating heat exchange tube is U-shaped.
Optionally, the circulating heat exchange tubes are provided with multiple groups, and the multiple groups of circulating heat exchange tubes are uniformly distributed from top to bottom.
Optionally, the circulating heat exchange tubes are communicated with each other.
Optionally, each group of circulating heat exchange tubes consists of a plurality of heat exchange tubes, and the distance between every two heat exchange tubes is 4-8 mm.
Optionally, the liquid outlet pipe is fixedly connected with the furnace body.
Optionally, the heat insulation layer is provided with an inner heat insulation layer, a heat insulation layer is fixedly connected to the outer side of the inner heat insulation layer, and an outer heat insulation layer is fixedly connected to the outer side of the heat insulation layer.
Optionally, the heat insulation layer is fixedly connected between the inner heat insulation layer and the outer heat insulation layer.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through airtight box, advance the tobacco pipe, go out the tobacco pipe, the heat exchange tube circulates, the feed liquor pipe, drain pipe and heat preservation, when using, in cooling water pours into the heat exchange tube through the feed liquor pipe into, high caloric flue gas enters into the airtight box through advancing the tobacco pipe and carries out the heat exchange with the cooling water, flue gas after the heat transfer is discharged into the atmosphere through going out the tobacco pipe, cooling water after the heat transfer is heated and is discharged for hot water through the drain pipe, the comdenstion water that produces at this in-process is discharged through the comdenstion water export, the heat preservation can reduce surperficial heat dissipation loss, with the gas waste heat recovery maximize, waste heat recovery's efficiency has been improved, it is lower to have solved flue gas waste heat recovery efficiency, cause the wasting of resources easily.
2. Through the circulating heat exchange tubes, the contact area between cooling water and high-heat smoke is larger when the cooling water flows through the U-shaped circulating heat exchange tubes, a plurality of groups of circulating heat exchange tubes are uniformly distributed from top to bottom, the space of the closed box body is fully utilized, the contact area between the circulating heat exchange tubes and the high-heat smoke is further enlarged, only the cooling water is injected into the liquid inlet tube, the cooling water can flow into the mutually communicated circulating heat exchange tubes, the cooling water is quickly dispersed and finally is gathered to the liquid outlet tube to be discharged, the flowing and spreading speed of the cooling water is high, when the distance between the heat exchange tubes is smaller than 4mm, the distance is too compact, the contact area between the heat exchange tubes and the high-heat smoke is too small, when the distance between the heat exchange tubes is larger than 8mm, the distance is too large, the heat exchange effect of the smoke is easily deteriorated due to uneven distribution, and the flow cross section area of the smoke can be reduced when the distance between the heat exchange tubes is 4mm-8mm, the heat exchange effect is enhanced, the heat exchange coefficient is improved, the waste heat recovery efficiency is further improved, the problem that the flue gas waste heat recovery efficiency is low and the resource waste is easily caused is solved.
3. Through interior heat preservation, insulating layer and outer heat preservation, the material of interior heat preservation and outer heat preservation is the aluminium silicate fibrofelt, the aluminium silicate fibrofelt is high temperature resistant, the heat conductivity is lower, the material of insulating layer is aluminium foil cloth, aluminium foil cloth's heat-proof quality and leakproofness are higher, the heat insulating ability to airtight box has been improved, the insulating layer can superpose the heat preservation effect of interior heat preservation and outer heat preservation, further improved the heat insulating ability to airtight box, waste heat recovery's efficiency has been improved, it is lower to have solved flue gas waste heat recovery efficiency, cause the wasting of resources easily.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present application;
FIG. 2 is a schematic view of a cyclic heat exchange tube configuration according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a drain tube according to an embodiment of the present application;
FIG. 4 is a schematic cross-sectional view of an insulation layer according to an embodiment of the present disclosure.
Reference numerals: 1. a furnace body; 2. sealing the box body; 3. a smoke inlet pipe; 4. discharging the smoke tube; 5. a condensed water outlet; 6. circulating heat exchange pipes; 61. a liquid inlet pipe; 62. a liquid outlet pipe; 7. a heat-insulating layer; 71. an inner insulating layer; 72. a thermal insulation layer; 73. an outer insulating layer.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
In order to more clearly understand the technical solution shown in the embodiments of the present application, the operation principle of the existing heating pad will be described first.
For the sake of better clarity of the technical solutions presented in the embodiments of the present application, the steps and principles of the operation of the self-priming atmospheric gas-fired hot water boiler in the prior art should be understood first.
The self-suction type normal pressure gas-fired hot water boiler is also called a non-pressure hot water boiler, and refers to a normal pressure hot water boiler heated by gas, belonging to the category of civil life boilers.
It should be understood that, during the combustion of the boiler gas, a great amount of high-heat flue gas may be generated and directly discharged from the exhaust port, and the flue gas waste heat recovery efficiency is low, which is likely to cause resource waste.
In view of the above situation, the existing self-priming normal pressure gas-fired hot water boiler generally directly discharges flue gas after gas combustion, so that the waste heat recovery efficiency is low, and the waste of gas resources is caused.
Referring to fig. 1 and 2, a self-priming atmospheric pressure gas-fired hot water boiler disclosed in the embodiment of the present application mainly comprises a boiler body 1, a sealed box 2 welded on the boiler body 1, a smoke inlet pipe 3 welded on the outer side of the sealed box 2, one end of the smoke inlet pipe away from the sealed box 2 is welded with the boiler body 1, a smoke outlet pipe 4 welded on the sealed box 2, a condensate outlet 5 welded on one side of the sealed box 2 corresponding to the smoke inlet pipe 3, a circulating heat exchange pipe 6 welded inside the sealed box 2, a liquid inlet pipe 61 welded on one end of the circulating heat exchange pipe 6, a liquid outlet pipe 62 welded on one end of the circulating heat exchange pipe 6 away from the liquid inlet pipe 61, and a heat preservation layer 7 welded on the inner wall of the sealed box 2.
Specifically, the flue gas enters the closed box 2 through the flue gas inlet pipe 3, and the cooling water enters the circulating heat exchange pipe 6 through the liquid inlet pipe 61 and then is discharged through the liquid outlet pipe 62.
Further description is provided below with respect to specific usage scenarios.
When the heat-exchange type solar water heater is used, cooling water is injected into the circulating heat exchange tube 6 through the liquid inlet tube 61, high-heat smoke enters the closed box body 2 through the smoke inlet tube 3 to exchange heat with the cooling water, the smoke after heat exchange is discharged into the atmosphere through the smoke outlet tube 4, the cooling water after heat exchange is heated to be hot water and is discharged through the liquid outlet tube 62, condensate water generated in the process is discharged through the condensate water outlet 5, the heat insulation layer 7 can reduce the heat dissipation loss on the surface, the fuel gas waste heat recovery maximization is realized, the waste heat recovery efficiency is improved, the problem of low smoke gas waste heat recovery efficiency is solved, and the resource waste is easily caused.
Referring to fig. 2, as a specific embodiment of the self-priming atmospheric pressure gas hot water boiler provided by the present application, the circulating heat exchange tube 6 is U-shaped.
The specific use scene is combined, the contact area between the U-shaped circulating heat exchange tube 6 and high-heat flue gas is larger when cooling water circulates, the waste heat recovery efficiency is further improved, the problem that the waste heat recovery efficiency of flue gas is lower is solved, and resource waste is easily caused.
With continued reference to fig. 2, as a specific embodiment of the self-priming normal pressure gas-fired hot water boiler provided by the application, a plurality of groups of circulating heat exchange tubes 6 are provided, and the plurality of groups of circulating heat exchange tubes 6 are uniformly distributed from top to bottom.
Combine specific use scenario, multiunit circulation heat exchange tube 6 from top to bottom evenly distributed, make full use of the space of airtight box 2, further increaseed the area of contact of circulation heat exchange tube 6 with the high heat flue gas, further improved waste heat recovery's efficiency, it is lower to have solved flue gas waste heat recovery efficiency, causes the wasting of resources easily.
With continued reference to fig. 2, as one embodiment of the self-priming atmospheric pressure gas-fired hot water boiler provided by the application, the circulating heat exchange pipes 6 are communicated with each other.
Combine specific use scenario, only need pour into the coolant water into feed liquor pipe 61 in, the coolant water just can flow through to the circulation heat exchange tube 6 that link up each other inside, the cooling water dispersion is very fast, assembles drain pipe 62 at last and can discharge, the coolant water circulation with stretch the speed very fast, further improved waste heat recovery's efficiency, it is lower to have solved flue gas waste heat recovery efficiency, cause the wasting of resources easily.
With continued reference to fig. 2, as a specific embodiment of the self-priming normal pressure gas-fired hot water boiler provided by the application, each group of circulating heat exchange tubes 6 is composed of a plurality of heat exchange tubes, and the distance between every two heat exchange tubes is 4mm-8 mm.
When the heat exchange tubes are spaced less than 4mm, the distance is too compact, the contact area with high-heat smoke is too small, the distance between the heat exchange tubes is too large when the distance is greater than 8mm, the heat exchange effect is poor due to uneven smoke distribution, the flow cross section area of the smoke can be reduced when the distance between the heat exchange tubes is 4mm-8mm, the heat exchange effect is strengthened, the heat exchange coefficient is improved, the problem that the smoke waste heat recovery efficiency is low is solved, and the resource waste is caused easily.
Referring to fig. 3, as an embodiment of the self-priming atmospheric pressure gas hot water boiler provided by the application, a liquid outlet pipe 62 is welded to the boiler body 1.
By combining with a specific use scene, the liquid outlet pipe 62 is welded with the furnace body 1, so that the heated water can be recycled for the second time, and the waste of resources is avoided.
Referring to fig. 4, in the self-priming normal pressure gas-fired hot water boiler according to the present invention, an inner insulating layer 71 is provided on the insulating layer 7, a heat insulating layer 72 is bonded to the outer side of the inner insulating layer 71, and an outer insulating layer 73 is bonded to the outer side of the heat insulating layer 72.
Combine specific use scenario, the material of interior heat preservation 71 and outer heat preservation 73 is the aluminium silicate fibrofelt, and the aluminium silicate fibrofelt is high temperature resistant, and the heat conductivity is lower, and the material of insulating layer 72 is aluminium foil cloth, and aluminium foil cloth's heat-proof quality and leakproofness are higher, have further improved the heat insulating ability to airtight box 2, have improved waste heat recovery's efficiency, and it is lower to have solved flue gas waste heat recovery efficiency, causes the wasting of resources easily.
With continued reference to fig. 4, as one embodiment of the self-priming atmospheric pressure gas hot water boiler provided by the present application, a heat insulating layer 72 is bonded between an inner heat insulating layer 71 and an outer heat insulating layer 73.
The heat insulation layer 72 can superpose the heat insulation effects of the inner heat insulation layer 71 and the outer heat insulation layer 73 by combining a specific use scene, so that the heat insulation performance of the airtight box body 2 is further improved, the efficiency of waste heat recovery is improved, the problem that the flue gas waste heat recovery efficiency is low is solved, and the resource waste is easily caused.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a from inhaling formula ordinary pressure gas-fired hot water boiler which characterized in that includes:
a furnace body (1);
the closed box body (2) is fixedly connected to the furnace body (1);
the smoke inlet pipe (3) is fixedly connected to the outer side of the closed box body (2), and one end of the smoke inlet pipe, which is far away from the closed box body (2), is fixedly connected with the furnace body (1);
the smoke outlet pipe (4) is fixedly connected to the closed box body (2);
a condensed water outlet (5) fixedly connected to one side of the closed box body (2) corresponding to the smoke inlet pipe (3);
the circulating heat exchange tube (6) is fixedly connected inside the closed box body (2);
the liquid inlet pipe (61) is fixedly connected with one end of the circulating heat exchange pipe (6);
the liquid outlet pipe (62) is fixedly connected with one end of the circulating heat exchange pipe (6) far away from the liquid inlet pipe (61);
and the heat-insulating layer (7) is fixedly connected on the inner wall of the closed box body (2).
2. The self-priming atmospheric pressure gas-fired hot water boiler according to claim 1, wherein: the circulating heat exchange tube (6) is U-shaped.
3. The self-priming atmospheric pressure gas-fired hot water boiler according to claim 2, wherein: the circulating heat exchange tubes (6) are provided with a plurality of groups, and the circulating heat exchange tubes (6) are uniformly distributed from top to bottom.
4. The self-priming atmospheric pressure gas-fired hot water boiler according to claim 3, wherein: the circulating heat exchange tubes (6) are communicated with each other.
5. The self-priming atmospheric pressure gas-fired hot water boiler according to claim 4, wherein: each group of circulating heat exchange tubes (6) consists of a plurality of heat exchange tubes, and the distance between every two heat exchange tubes is 4-8 mm.
6. The self-priming atmospheric pressure gas-fired hot water boiler according to claim 1, wherein: the liquid outlet pipe (62) is fixedly connected with the furnace body (1).
7. The self-priming atmospheric pressure gas-fired hot water boiler according to claim 1, wherein: the heat preservation layer (7) is provided with an inner heat preservation layer (71), a heat insulation layer (72) is fixedly connected to the outer side of the inner heat preservation layer (71), and an outer heat preservation layer (73) is fixedly connected to the outer side of the heat insulation layer (72).
8. The self-priming atmospheric pressure gas-fired hot water boiler according to claim 7, wherein: the heat insulation layer (72) is fixedly connected between the inner heat insulation layer (71) and the outer heat insulation layer (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122211010.8U CN216159343U (en) | 2021-09-11 | 2021-09-11 | Self-suction normal pressure gas-fired hot water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122211010.8U CN216159343U (en) | 2021-09-11 | 2021-09-11 | Self-suction normal pressure gas-fired hot water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216159343U true CN216159343U (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122211010.8U Active CN216159343U (en) | 2021-09-11 | 2021-09-11 | Self-suction normal pressure gas-fired hot water boiler |
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| CN (1) | CN216159343U (en) |
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2021
- 2021-09-11 CN CN202122211010.8U patent/CN216159343U/en active Active
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