CN111076427B - Thin-wall stainless steel water heater inner box - Google Patents
Thin-wall stainless steel water heater inner box Download PDFInfo
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- CN111076427B CN111076427B CN202010028864.XA CN202010028864A CN111076427B CN 111076427 B CN111076427 B CN 111076427B CN 202010028864 A CN202010028864 A CN 202010028864A CN 111076427 B CN111076427 B CN 111076427B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 29
- 239000010935 stainless steel Substances 0.000 title claims abstract description 29
- 238000003466 welding Methods 0.000 claims abstract description 20
- 238000005485 electric heating Methods 0.000 claims abstract description 5
- 230000004927 fusion Effects 0.000 claims abstract description 5
- 239000008399 tap water Substances 0.000 claims description 51
- 235000020679 tap water Nutrition 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000008236 heating water Substances 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Details Of Fluid Heaters (AREA)
Abstract
The invention belongs to the technical field of solar and electric heating water tanks, particularly relates to an inner tank of a thin-wall stainless steel water heater, and belongs to the field of heat energy utilization. The utility model provides a thin wall stainless steel water heater inner box, includes cylinder box, head, heat pipe buckle closure, communicating pipe, thru hole flange disc, running water pipe cold water are advanced, the running water pipe hot water goes out, the screw headstock is constituteed, its characterized in that: the two ends of more than one heat conducting pipe are flush with the superposed end faces of the round holes of the flanging steps on the end socket and the three wall thicknesses of the flanging steps of the heat conducting pipe buckle cover, and the ring circular fusion welding is fixedly connected. The invention changes the shape of the end socket, highlights the simplicity and convenience of the welding process, highlights the firmness and durability of the hot water tank, highlights the energy conservation and consumption reduction, and has high-efficiency heat exchange effect.
Description
Technical Field
The invention belongs to the technical field of solar and electric heating water tanks, particularly relates to an inner tank of a thin-wall stainless steel water heater, and belongs to the field of heat energy utilization.
Background
In the prior art, stainless steel plates are used as inner boxes of wall-mounted solar water heaters and electric water heaters in the industry, almost all water leaks, in the prior art, firstly, Q235 medium-thickness steel plates are basically used for manufacturing the inner boxes of the water heaters, an enamel inner container is added on an inner layer for corrosion prevention, and the defect is that the service life is short under the expansion of water vapor; secondly, the outer layer of the inner box is additionally provided with a layer of heat medium to wrap the running water of the inner box for heat exchange, the defect is that the principle does not belong to the atmospheric principle of heat rising and cold falling, so that the indirect heat exchange of the water tank is insufficient, a large amount of heat exchange area is wasted, and a large amount of heat energy is lost. The inventor knows that the stainless steel product is clean food grade and harmless to human body because the structure is unreasonable, the reasonable welding process can be realized, the processing and manufacturing of the stainless steel product are carried out from 18 years old, 25 national invention patents are successively earned in the fields of printing and dyeing machinery and heat dissipation and heat exchange, and the welding process of the stainless steel is a light car and a good road.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a novel thin-wall stainless steel water heater inner box so as to better meet the use requirements of users.
The utility model provides a thin wall stainless steel water heater inner box, includes cylinder box, head, heat pipe buckle closure, communicating pipe, thru hole flange disc, the water pipe cold water is advanced, the water pipe hot water is gone out, the screw base is constituteed, its characterized in that: the two ends of more than one heat conducting pipe are flush with the superposed end faces of the three wall thicknesses of the flanging step round hole on the end socket and the flanging step of the heat conducting pipe buckle cover, and the three wall thicknesses are fixedly connected through ring circular fusion welding.
The heat conduction pipe is welded on the end sockets at the two ends, round hole flat end faces turned over towards the outer side face are arranged on the end sockets at the two ends, the diameter of each round hole is matched with that of the heat conduction pipe, the outer wall of each heat conduction pipe is inserted into the round hole in the end socket, the end face of each heat conduction pipe is welded with the end face of the round hole in the end socket in an flush manner, the inner wall of each heat conduction pipe is inserted into the corresponding heat conduction pipe buckle cover, and.
The two ends of the cylindrical box body are welded with end sockets, the end sockets at the two ends are made of circular flanging to form a chamfer stretching shape, and a circular plane shape is formed in the circular flanging chamfer stretching; the outer diameter of the annular flanging of the appearance of the end sockets at the two ends is matched and welded with the inner diameter of the two ends of the cylindrical box body, and two sunken annular arcs are also arranged on the end sockets at the two ends; an outer flanging stretching step is arranged on the sealing head at the lower end of the cylindrical box body and close to the circle center, and the outer diameter size of the outer flanging stretching step is matched and welded with the inner diameter of the through hole flange disc; and a plurality of circular arcs sunken into the cylindrical box body are also arranged on the end sockets at the two ends, and an inner circular end face is formed in the ring of the sunken circular arc.
The heat conduction pipes are provided with communicating pipes at the positions close to the two ends of the heat conduction pipes, and the communicating pipes are communicated with the heat conduction pipes.
And the end sockets at the two ends are provided with tap water inlet and outlet flanging step round holes.
And the heat conduction pipe buckling covers for the heat conduction pipe medium inlet and the heat conduction pipe medium outlet are provided with screw bases.
The utility model provides a thin wall stainless steel water heater inner box, includes cylinder box, head, heat pipe buckle closure, communicating pipe, thru hole flange disc, water pipe cold water advances, water pipe hot water goes out, the screw seat, its characterized in that: the cold water inlet of the tap water pipe is in a strip shape, one end of the cold water inlet of the tap water pipe is welded with a screw head seat, the cold water inlet of the tap water pipe is inserted into the cylindrical box body, the cold water inlet of the tap water pipe is provided with a plurality of round holes, and the height of the cold water inlet of the tap water pipe, which is provided with the round holes, inserted into the cylindrical box body is approximately half of the height of the cylindrical box body; the hot water outlet of the tap water pipe is in a strip shape, a screw head seat is arranged at the hot water outlet end of the tap water pipe, a plurality of round holes are arranged at the upper end of the tap water pipe, the round hole at the bottommost of the round holes on the hot water outlet of the tap water pipe is adjacent to the position of the upper end face of the cold water inlet of the tap water pipe, and the position of the upper end face of the hot water outlet of the tap water pipe is adjacent to the end socket; the cold water inlet of a tap water pipe with a screw head seat and the hot water outlet of the tap water pipe are welded on the lower end sealing head of the cylindrical box body.
And the end socket at the lower end of the cylindrical box body is provided with a through hole flange disc which is connected with the electric heating device in a matching way.
The thickness of the stainless steel material is preferably 1.2mm or less.
Advantageous effects
Through the description of the above structure, it can be seen that the present invention has many outstanding effects: the invention aims to change the shape of the end socket, and aims to highlight the simplicity and convenience of a welding process, highlight the firmness and durability of a hot water tank, highlight the energy conservation and consumption reduction and have an efficient heat exchange effect. The superposed end surfaces of the three wall thicknesses of the flanging step are flush (namely the wall thickness of the round hole, the wall thickness of the heat conducting pipe and the wall thickness of the buckling cover of the heat conducting pipe), no welding wire is added, self-melting welding of base metal is the best implementation of the welding process, the welding of thin-wall stainless steel plates is difficult, the welding is more difficult to adapt to the welding of a container with pressure expansion, and the invention is to simplify the complexity: the wall thickness of the three flanging steps are overlapped in close contact, so that the welding thickness is increased, the three flanging steps after being overlapped are more easily fused into a whole due to the increase of current, when air pressure collides with the welding point which is fused into a whole, the wall thicknesses of the heights of the three flanging steps are in close contact, the air pressure collision is directly resisted without tearing the welding point, and the main factor of water leakage is realized. At present, circular arc seal heads are basically adopted at home and abroad for pressure-resistant containers, the thickness of materials is set according to the pressure, a pressure relief valve is relieved when the pressure is overloaded, but the existing water supply mode is changed, the gas in water often flows away from a tail end pipeline, the gas of a main pipeline flows in from other families, if the container is installed and exceeds more than two times of the diameter of the pipeline, the container is inevitably expanded by gas, a single pressure relief valve is not feasible, and a large amount of water leaks from the container because the gas expansion is not determined at the position in the container, therefore, the shape of the seal head is changed by the inventor to adapt to the gas drum generated by a tap water pipeline under the action force of pumping pressure, so that the end surface of the seal head is elastically expanded and contracted without leaking water, if the end surface is deformed due to overlarge area, a tiny hole is inevitably generated on the plate surface under the action force of the gas, if the arc seal head is in a pressure resistance state, but the gas with overlarge expansion force inevitably tears a, because the purity of the iron ore can not be uniform smelting temperature and is melted into liquid, fine particles mixed in the plate thickness body can be expanded by air flow to leak water, the end face of a larger end socket is not changed when facing a water tank with 100 liters of water capacity, a tie bar support and a built-in pipeline air leakage pressure device are needed, the tie bar is a heat conduction pipe, one or more than two heat conduction pipes are welded with the end sockets at two ends according to the capacity of the water tank, the problem of large-area end socket expansion is solved, the heat conduction of thin-wall stainless steel is good, and the optimal effect of heat exchange without heat loss is also solved. The water tank is internally provided with a lengthened tap water inlet pipe, the height of the cold water inlet end of a tap water pipe is the middle part of the water tank, the cold water inlet of the tap water pipe is provided with a plurality of holes, the air expansion generated below the middle part of the water tank is discharged through a plurality of holes arranged in the cold water inlet end of the tap water pipe through a pressure relief valve, the height of the hot water outlet end of the tap water pipe is close to the bottom of the upper end socket, the hot water outlet of the tap water pipe is provided with a plurality of holes, the hole on the hot water outlet of the tap water pipe is arranged above the middle part of the water tank, the air expansion generated above the middle part of the water tank is discharged through a plurality of holes arranged in the hot water outlet of the tap water pipe through a pressure relief valve, and the air exhaust is arranged in the hot water tank from top to bottom because the water supply network changes the height difference water supply mode of a water tower in recent years, the pump station works uninterruptedly, the hot water in the hot water tank only has short service time of 24 hours, the air pressure in the hot water tank can form accumulated expansion at an uncertain position, the originally arranged pressure release valve is arranged at the end of the water inlet pipe, only the air expansion at the bottom is solved, and the air expansion at the middle upper part cannot be solved, so water leakage is caused, the air expansion at the middle upper part in the hot water tank is sealed by water and cannot be transmitted to the pressure release valve at the bottom, the tap water is lengthened and heightened to the water inlet pipe and the water outlet pipe, and the two pressure release valves are arranged for discharging because the water in.
The end socket is provided with two sunken circular arcs, and a plurality of circular arcs sunken towards the inside of the hot water tank are arranged between the two sunken circular arcs, so that the aim is to increase the strength of the end socket and prevent deformation, and the principle of thermal expansion and cold contraction of the hot water tank is taken into consideration while the deformation of the end socket is prevented.
In conclusion, the thin-wall stainless steel water heater inner box has the advantages of compact structure, food-grade material, safety, sanitation, reliable performance, further improved heat exchange effect, expanded hot water storage capacity, convenient manufacture, installation and use and large market demand.
Drawings
FIG. 1 is a schematic cross-sectional view of the front structure of the present invention.
Fig. 2 is a schematic top view of the structure of fig. 1.
Fig. 3 is an enlarged view of a portion of the structure of fig. 1.
Fig. 4 is a schematic front view of another embodiment of the present invention.
Fig. 5 is an enlarged cross-sectional view of a part of the structure of the present invention.
Fig. 6 is an enlarged cross-sectional view of a part of the structure of the present invention.
Fig. 7 is an enlarged cross-sectional view of a part of the structure of the present invention.
Fig. 8 is an enlarged cross-sectional view of a part of the structure of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8:
the utility model provides a thin wall stainless steel water heater inner box, includes that cylinder box 1, head 2, heat pipe 3, heat pipe buckle closure 4, communicating pipe 5, thru hole flange disc 7, water pipe cold water advance 8, water pipe hot water go out 9, the screw seat 10 constitutes its characterized in that: the two ends of one heat conduction pipe 3 are flush with the superposed end faces of the three wall thicknesses of the flanging step round hole on the seal head 2 and the flanging step of the heat conduction pipe buckle cover 4, and the three wall thicknesses are fixedly connected through ring circular fusion welding.
The heat conduction pipes 3 are welded on the two end sealing heads 2, round hole flat end faces turned over towards the outer side faces are arranged on the two end sealing heads 2, the diameters of the round holes are matched with the diameters of the heat conduction pipes 3, the outer pipe walls of the heat conduction pipes 3 are inserted into the round holes in the sealing heads 2, the end faces of the heat conduction pipes 3 and the end faces of the round holes in the sealing heads 2 are welded in a flush mode, the inner pipe walls of the heat conduction pipes 3 are inserted into the heat conduction pipe buckling covers 4, and the end.
The two ends of the cylindrical box body 1 are welded with the seal heads 2, the seal heads 2 at the two ends are made of circular flanges to form a chamfer stretching shape, and a circular plane shape is formed in the circular flange chamfer stretching; the outer diameter of the annular flanging of the appearance of the end sockets 2 at the two ends is matched and welded with the inner diameter of the two ends of the cylindrical box body 1, and two sunken annular arcs 2-1 are also arranged on the end sockets 2 at the two ends; an outward flanging stretching step is arranged on the end enclosure 2 at the lower end of the cylindrical box body 1, the position of the end enclosure 2 close to the circle center, and the outer diameter size of the outward flanging stretching step is matched and welded with the inner diameter of the through hole flange disc 7; and a plurality of circular arcs 12 which are sunken towards the inside of the cylindrical box body 1 are also arranged on the end sockets 2 at the two ends, and inner circular end faces are formed in the rings of the sunken circular arcs 12.
The heat conduction pipes 3 are provided with communicating pipes 5 near both ends of the pipes, and the communicating pipes 5 are communicated with the heat conduction pipes 3.
And the two end enclosures 2 are provided with tap water inlet and outlet flanging step round holes.
The heat conducting pipe buckling cover 4 for the medium of the heat conducting pipe 3 to enter and the medium of the heat conducting pipe 3 to exit is provided with a screw base 10.
The utility model provides a thin wall stainless steel water heater inner box, includes cylinder box 1, head 2, heat pipe 3, heat pipe buckle closure 4, communicating pipe 5, thru hole flange disc 7, water pipe cold water advances 8, water pipe hot water goes out 9, screw seat 10, its characterized in that: the cold water inlet 8 of the tap water pipe is in a strip shape, one end of the cold water inlet 8 of the tap water pipe is welded with a screw head seat 10, the cold water inlet 8 of the tap water pipe is inserted into the cylindrical box body 1, the cold water inlet 8 of the tap water pipe is provided with a plurality of round holes 13, and the height of the cold water inlet 8 of the tap water pipe, which is provided with the round holes 13 and is inserted into the cylindrical box body 1, is approximately half of the height of the cylindrical box body 1; the tap water pipe hot water outlet 9 is in a long strip shape, a screw head seat 10 is arranged at one end of the tap water pipe hot water outlet 9, a plurality of round holes 13 are arranged at the upper end of the tap water pipe hot water outlet 9, the round hole 13 with the bottommost of the round holes on the tap water pipe hot water outlet 9 is adjacent to the upper end face of the tap water pipe cold water inlet 8, and the upper end face of the tap water pipe hot water outlet 9 is adjacent to the end head 2; a cold water inlet 8 of a tap water pipe with a screw head seat 10 and a hot water outlet 9 of the tap water pipe are welded on the end socket 2 at the lower end of the cylindrical box body 1.
The end socket 2 at the lower end of the cylindrical box body 1 is provided with a through hole flange disc 7 which is connected with an electric heating device 6 in a matching way.
The thickness of the stainless steel material is preferably 1.2mm or less.
The present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make other specific changes, including the substitution of simple materials, without departing from the scope of the present invention, which is defined by the claims.
Claims (9)
1. The utility model provides a thin wall stainless steel water heater inner box, includes cylinder box (1), head (2), heat pipe (3), heat pipe buckle closure (4), communicating pipe (5), thru hole flange disc (7), running water pipe cold water advances (8), running water pipe hot water goes out (9), screw seat (10) and constitutes its characterized in that: the two ends of the heat conducting pipe (3) are flush with the superposed end faces of the three wall thicknesses of the flanging step round hole on the seal head (2) and the flanging step round hole of the heat conducting pipe buckle cover (4), no welding wire is added, and the ring round fusion welding is fixedly connected with the three wall thicknesses.
2. The thin-walled stainless steel water heater inner tank of claim 1, wherein: the heat conduction pipe (3) is welded on the end sockets (2) at two ends, round hole end faces turned over towards the outer side face are arranged on the end sockets (2) at two ends, the diameter of each round hole is matched with that of the heat conduction pipe (3), the outer pipe wall of each heat conduction pipe (3) is inserted into the round hole in the end socket (2), the end face of each heat conduction pipe (3) and the end face of the round hole in the end socket (2) are welded in an flush mode, the inner pipe wall of each heat conduction pipe (3) is inserted into the heat conduction pipe buckling cover (4), and the end face of each heat conduction pipe (.
3. The thin-walled stainless steel water heater inner tank of claim 1, wherein: the two ends of the cylindrical box body (1) are welded with the seal heads (2), the seal heads (2) at the two ends are made of circular flanges to form a chamfer stretching shape, and a circular plane shape is formed in the chamfer stretching of the circular flange; the outer diameter of the annular flanging of the appearance of the two end enclosures (2) is matched and welded with the inner diameter of the two ends of the cylindrical box body (1), and two sunken annular arcs (2-1) are also arranged on the two end enclosures (2); on a seal head (2) at the lower end of a cylindrical box body (1), an outward flanging stretching step is arranged at the position, close to the circle center, of the seal head (2), and the outer diameter size of the outward flanging stretching step is matched and welded with the inner diameter of a through hole flange disc (7); a plurality of circular arcs (12) which are sunken towards the inside of the cylindrical box body (1) are also arranged on the end sockets (2) at the two ends, and inner circular end faces are formed in the rings of the sunken circular arcs (12).
4. The thin-walled stainless steel water heater inner tank of claim 1, wherein: the heat conduction pipes (3) are provided with communicating pipes (5) at positions close to the two ends of the pipes, and the communicating pipes (5) are communicated with the heat conduction pipes (3).
5. The thin-walled stainless steel water heater inner tank of claim 1, wherein: and the two end enclosures (2) are provided with tap water inlet and outlet flanging step round holes.
6. The thin-walled stainless steel water heater inner tank of claim 1, wherein: and a screw head seat (10) is arranged on the heat pipe buckle cover (4) for the medium of the heat pipe (3) to enter and the medium of the heat pipe (3) to exit.
7. The thin-walled stainless steel water heater inner tank of claim 1, wherein: the end socket (2) at the lower end of the cylindrical box body (1) is provided with a through hole flange disc (7) which is connected with the electric heating device (6) in a matching way.
8. The thin-walled stainless steel water heater inner tank of claim 1, wherein: the thickness of the stainless steel material is preferably 1.2mm or less.
9. The utility model provides a thin wall stainless steel water heater inner box, includes cylinder box (1), head (2), heat pipe (3), heat pipe buckle closure (4), communicating pipe (5), thru hole flange disc (7), running water pipe cold water advances (8), running water pipe hot water goes out (9), screw seat (10), its characterized in that: two ends of more than one heat conduction pipe (3) are flush with the superposed end faces of the three wall thicknesses of the flanging step round hole on the end socket (2) and the flanging step of the heat conduction pipe buckle cover (4), welding wires are not added, and the three wall thicknesses are fixedly connected through ring circular fusion welding; the cold water inlet (8) of the tap water pipe is in a long strip shape, a screw head seat (10) is welded at one end of the cold water inlet (8) of the tap water pipe, the cold water inlet (8) of the tap water pipe is inserted into the cylindrical box body (1), a plurality of round holes (13) are formed in the cold water inlet (8) of the tap water pipe, and the height of the cold water inlet (8) of the tap water pipe, which is provided with the round holes (13), inserted into the cylindrical box body (1) is approximately half of the height of the cylindrical box body (1); the hot water outlet (9) of the tap water pipe is in a long strip shape, one end of the hot water outlet (9) of the tap water pipe is provided with a screw head seat (10), the upper end of the hot water outlet (9) of the tap water pipe is provided with a plurality of round holes (13), the round hole (13) at the bottommost of the round holes on the hot water outlet (9) of the tap water pipe is adjacent to the upper end surface of the cold water inlet (8) of the tap water pipe, and the upper end surface of the hot water outlet (9) of the tap water pipe is adjacent to the end socket (2; a cold water inlet (8) and a hot water outlet (9) of a tap water pipe with a screw head seat (10) are welded on a seal head (2) at the lower end of the cylindrical box body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010028864.XA CN111076427B (en) | 2020-01-12 | 2020-01-12 | Thin-wall stainless steel water heater inner box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010028864.XA CN111076427B (en) | 2020-01-12 | 2020-01-12 | Thin-wall stainless steel water heater inner box |
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| CN111076427A CN111076427A (en) | 2020-04-28 |
| CN111076427B true CN111076427B (en) | 2020-12-01 |
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| CN114484905B (en) * | 2022-02-08 | 2022-09-27 | 枣庄福源环能机械制造有限公司 | Water heater inner tank with upright post internal pressure reducing component |
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| CN1587860A (en) * | 2004-09-23 | 2005-03-02 | 王斌 | Rectangular pressure-bearing water tank and its preparing method |
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| CN1587860A (en) * | 2004-09-23 | 2005-03-02 | 王斌 | Rectangular pressure-bearing water tank and its preparing method |
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Inventor after: Cui Miao Inventor after: Sun Jinmei Inventor after: Sun Youfu Inventor after: Cao Guangli Inventor after: Wang Qiping Inventor after: Ren Yan Inventor after: Xu Ke Inventor before: Sun Youfu Inventor before: Sun Jinmei Inventor before: Cao Guangli Inventor before: Wang Qiping Inventor before: Ren Yan Inventor before: Xu Ke Inventor before: Cui Miao |