CN219433848U - Bath waste water heat replacement device and electric water heating system - Google Patents
Bath waste water heat replacement device and electric water heating system Download PDFInfo
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- CN219433848U CN219433848U CN202320716656.8U CN202320716656U CN219433848U CN 219433848 U CN219433848 U CN 219433848U CN 202320716656 U CN202320716656 U CN 202320716656U CN 219433848 U CN219433848 U CN 219433848U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a bath wastewater heat replacement device and an electric water heating system. The bath wastewater heat replacement device comprises a disc body, a heat storage structure and a heat exchange coil; the tray body is used for receiving the bath wastewater, and a containing cavity is formed in the tray body; the heat storage structure is arranged in the accommodating cavity and is in heat exchange connection with the tray body; the heat exchange coil is arranged in the accommodating cavity and is in heat exchange connection with the heat storage structure, the heat exchange coil is provided with a water inlet end and a water outlet end, the water inlet end is used for being connected with a cold water supply water inlet pipe, and the water outlet end is used for being connected with a water inlet pipe of the electric water heater. According to the technical scheme, the bath wastewater heat replacement device can shorten the heating time of the electric water heater, reduce the waiting time of a user and improve the experience of the user.
Description
Technical Field
The utility model relates to the technical field of kitchen and bathroom appliances, in particular to a bath wastewater heat exchange device and an electric water heating system.
Background
With the improvement of the living standard of people, the electric water heater is more and more commonly used in daily life.
In the related art, the water inlet temperature of the electric water heater changes due to the change of seasons, and when the air temperature is low in winter, the water inlet temperature of the electric water heater is also low, so that the electric water heater needs to take a long time to heat the water with low temperature to the temperature of the water suitable for users, and the problems of long waiting time and insufficient hot water of the users during bath are easily caused.
Disclosure of Invention
The utility model mainly aims to provide a bathing wastewater heat replacement device, which aims to shorten the heating time of an electric water heater so as to improve the experience of a user.
In order to achieve the above object, the present utility model provides a bath waste water heat exchanging device, comprising:
the tray body is used for receiving bath wastewater, and a containing cavity is formed in the tray body;
the heat storage structure is arranged in the accommodating cavity and is in heat exchange connection with the tray body; and
the heat exchange coil is arranged in the accommodating cavity and is in heat exchange connection with the heat storage structure, the heat exchange coil is provided with a water inlet end and a water outlet end, the water inlet end is used for being connected with a cold water supply water inlet pipe, and the water outlet end is used for being connected with a water inlet pipe of the electric water heater.
In one embodiment of the present utility model, the tray body includes:
the upper disc is used for receiving bath wastewater; and
the lower disc is arranged below the upper disc and is enclosed with the upper disc to form the accommodating cavity; the heat storage structure is arranged on the lower disc and is abutted to the bottom wall surface of the upper disc, and the heat exchange coil is connected with the heat storage structure.
In an embodiment of the utility model, the heat storage structure is filled in the accommodating cavity, and the heat exchange coil is embedded in the heat storage structure.
In an embodiment of the present utility model, the bottom wall includes:
the first disc bottom is arranged opposite to the upper disc; and
the first surrounding edge is arranged around the periphery of the first tray bottom and connected with the upper tray, and the first surrounding edge, the first tray bottom and the upper tray are surrounded to form the accommodating cavity; the first surrounding edge is provided with two mounting openings for the water inlet end and the water outlet end of the heat exchange coil to pass through respectively.
In an embodiment of the utility model, the two mounting openings are located on the same side of the first peripheral edge.
In an embodiment of the utility model, the heat exchange coils are distributed in series in the heat storage structure.
In an embodiment of the present utility model, the heat exchange coil includes a first heat exchange tube and a second heat exchange tube connected in series with the first heat exchange tube, the first heat exchange tube is connected with the water inlet end, and the second heat exchange tube is connected with the water outlet end;
the first heat exchange tubes comprise a plurality of sub heat exchange tubes which are distributed at intervals along a first direction, and the sub heat exchange tubes are sequentially connected end to end; one end of the second heat exchange tube is connected with the end part of the first heat exchange tube, which is far away from the water inlet end, and the other end of the second heat exchange tube extends towards the water outlet end along the first direction.
In one embodiment of the utility model, the first tray bottom is provided with a first support for supporting the heat exchange coil.
In an embodiment of the utility model, a plurality of second supporting pieces for supporting the upper disc are arranged on the first disc bottom, and the second supporting pieces penetrate through the heat storage structure to prop against the upper disc.
In an embodiment of the present utility model, a plurality of the second supporting members are distributed on the first tray bottom in an array.
In an embodiment of the present utility model, the upper disc includes:
the second disc bottom is connected with the lower disc and is enclosed with the lower disc to form the accommodating cavity; and
the second surrounding edge is arranged on the periphery of the bottom of the second plate in a surrounding manner, and forms a water collecting tank for receiving bath wastewater with the bottom of the second plate, and the second surrounding edge is provided with a water outlet communicated with the water collecting tank.
In an embodiment of the utility model, the upper plate is a heat conducting member; and/or, the lower disc is a heat insulation piece.
In order to achieve the above purpose, the utility model also provides an electric water heating system, which comprises an electric water heater and the bath waste water heat exchanging device, wherein the water outlet end of the heat exchanging coil in the bath waste water heat exchanging device is connected with the water inlet pipe of the electric water heater.
According to the technical scheme, in the bath wastewater heat replacement device, the tray body is used for receiving bath wastewater of the electric water heater, and the heat storage structure in heat exchange connection with the tray body and the heat exchange coil pipe in heat exchange connection with the heat storage structure are arranged in the tray body, so that heat of the bath wastewater can be stored by the heat storage structure through the tray body, and water in the heat exchange coil pipe is heated. According to the embodiment, the water inlet end of the heat exchange coil is connected with the cold water supply water inlet pipe, and the water outlet end of the heat exchange coil is connected with the water inlet pipe of the electric water heater, so that cold water of the cold water supply water inlet pipe can flow into the water inlet pipe of the electric water heater after being heated by the heat exchange coil, the water inlet temperature of the electric water heater is improved, the heating time of the electric water heater can be shortened, the waiting time of a user is shortened, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a thermal displacement apparatus for bath wastewater according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion of the M in FIG. 1;
FIG. 3 is a schematic diagram of an exploded construction of an embodiment of the bath wastewater thermal displacement apparatus of the present utility model;
FIG. 4 is a schematic view of the structure of the bottom wall, the first supporting member and the second supporting member according to the embodiment of the present utility model;
FIG. 5 is a schematic diagram of a heat storage structure according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of an assembled structure of a bottom wall and a heat exchange coil in an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of an embodiment of the electric water heating system according to the present utility model.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
Meanwhile, the meaning of "and/or" and/or "appearing throughout the text is to include three schemes, taking" a and/or B "as an example, including a scheme, or B scheme, or a scheme that a and B satisfy simultaneously.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides a bathing wastewater heat replacement device, which aims to shorten the heating time of an electric water heater and improve the user experience by improving the water inlet temperature of the electric water heater by utilizing Yu Wenlai of bathing wastewater.
In an embodiment of the present utility model, as shown in fig. 1 to 6, the bath waste water heat exchanging apparatus 100 includes a tray body 10, a heat storage structure 20, and a heat exchanging coil 30.
The tray body 10 is used for receiving bath wastewater, and a containing cavity is formed in the tray body 10; the heat storage structure 20 is arranged in the accommodating cavity and is in heat exchange connection with the tray body 10; the heat exchange coil 30 is disposed in the accommodating cavity and is in heat exchange connection with the heat storage structure 20, the heat exchange coil 30 has a water inlet end 301 and a water outlet end 302, the water inlet end 301 is used for being connected with a cold water supply inlet pipe, and the water outlet end 302 is used for being connected with a water inlet pipe of the electric water heater 200.
When a user uses the electric water heater to perform a bath, high-temperature waste water after the bath can flow to the tray body 10, heat of the bath waste water can be conducted to the heat storage structure 20 through the tray body 10 to be stored, the heat exchange coil 30 in heat exchange connection with the heat storage structure 20 is arranged in the accommodating cavity, the heating function of water in the heat exchange coil 30 is achieved, in the embodiment, the water inlet end 301 of the heat exchange coil 30 is connected with the cold water supply inlet pipe, the water outlet end 302 is connected with the water inlet pipe of the electric water heater 200, so that cold water of the cold water supply inlet pipe can flow into the water inlet pipe of the electric water heater 200 after being heated through the heat exchange pipe tray 30, the water inlet temperature of the electric water heater 200 is improved, the heating time of the electric water heater 200 is shortened, the waiting time of the user is reduced, and the user experience is improved.
It can be understood that the bath waste water heat exchanging device recovers and stores the heat of the bath high-temperature waste water in the heat storage structure 20 in the process of using the electric water heater 200 and generating the high Wen Xiyu waste water, and on the basis, the heat in the heat storage structure 20 can heat the water inlet of the electric water heater 200 in use, or after the electric water heater 200 stops being used, the heat is still stored in the heat storage structure 20, so that the water inlet when the electric water heater 200 is started next time can be heated. Alternatively, the heat storage structure 20 is fabricated from a heat storage material such as molten salt, high temperature concrete, metal alloy, or the like.
In practical application, the tray body 10 is used for receiving bath wastewater, it can be appreciated that the tray body 10 can be directly arranged below the water outlet structure of the electric water heater 200, so that water flowing out of the water outlet structure directly falls on the tray body 10 after being bathed, or is arranged at other positions to guide the bath wastewater to the tray body 10 through a pipeline. The heat storage structure 20 is connected to the tray 10 by heat exchange, which may be understood as a connection structure capable of performing heat exchange between the two, such as contact between the two. Further, it may be that the heat storage structure 20 is in contact with the upper surface of the tray 10, or in contact with the side surface of the tray 10, or in contact with the lower surface of the tray 10, or the like, as long as the heat storage structure 20 is capable of storing heat of the high Wen Xiyu wastewater through the tray 10. Accordingly, the heat storage structure 20 is in heat exchange connection with the heat exchange coil 30, which may be understood as a connection between the two that can perform heat exchange, for example, the heat exchange coil 30 is disposed at one side of the heat storage structure 20, or the heat exchange coil 30 is disposed inside the heat storage structure 20 in a penetrating manner.
The waste water of the bath waste water heat exchanging device can be high-temperature waste water after a user washes hands, washes dishes and other articles, and can be applied to a bathroom or a kitchen.
In practical application, the cross-sectional shape of the tray body 10 may be circular, oval, rectangular, etc., the heat exchange coil 30 may be a round tube, a corrugated tube, a fin type round tube, a fin type corrugated tube, etc., and the heat exchange coil 30 may be a copper tube, a stainless steel tube, etc., which may be specific according to practical use conditions, and is not limited herein.
In the bath waste water heat exchange device of the technical scheme of the utility model, the tray body 10 is used for receiving the bath waste water of the electric water heater 200, and the heat storage structure 20 in heat exchange connection with the tray body 10 and the heat exchange coil 30 in heat exchange connection with the heat storage structure 20 are arranged in the tray body 10, so that heat of the bath waste water can be stored by the heat storage structure 20 through the tray body 10, and then water in the heat exchange coil 30 is heated. In this embodiment, the water inlet end 301 of the heat exchange coil 30 is connected with the cold water supply inlet pipe, and the water outlet end 302 is connected with the water inlet pipe of the electric water heater 200, so that cold water of the cold water supply inlet pipe can flow into the water inlet pipe of the electric water heater 200 after being heated by the heat exchange coil 30, so as to raise the water inlet temperature of the electric water heater 200, thereby shortening the heating time of the electric water heater 200, reducing the waiting time of a user, and improving the user experience.
In an embodiment of the present utility model, referring to fig. 1 to 6, the tray body 10 includes an upper tray 12 and a lower tray 11, and the upper tray 12 is used for receiving bath waste water; the lower disc 11 is arranged below the upper disc 12 and is enclosed with the upper disc 12 to form the accommodating cavity; the heat storage structure 20 is disposed on the lower plate 11 and abuts against the bottom wall surface of the upper plate 12, and the heat exchange coil 30 is connected to the heat storage structure 20.
The structure of the tray body 10 is illustrated in this embodiment, the tray body 10 includes an upper tray 12 and a lower tray 11 disposed below the upper tray 12, the upper tray 12 is used for receiving bath wastewater, the lower tray 11 is connected with the upper tray 12 to form a containing cavity for containing the heat storage structure 20 and the heat exchange coil 30, in order to ensure the heat storage effect of the heat storage structure 20, the heat storage structure 20 is mounted on the lower tray 11 and abuts against the bottom wall surface of the upper tray 12, so that the heat of the bath wastewater received by the upper tray 12 can be smoothly conducted to the heat storage structure 20 through the upper tray 12 to be stored by the heat storage structure 20, the heat exchange coil 30 is connected with the heat storage structure 20, and the heat stored by the heat storage structure 20 can smoothly heat the water in the heat exchange coil 30, thereby realizing the water inlet temperature of the electric heater 200.
It can be appreciated that the upper disc 12 and the lower disc 11 are fixedly connected together by adopting a snap-in or screw manner, etc., so that the disassembly, assembly and maintenance are convenient. The upper plate 12 serves to conduct the heat of the bath waste water to the heat storage structure 20, and optionally, the upper plate 12 is made of a heat conducting member such as copper, stainless steel, aluminum or other materials with good heat conducting performance. The heat storage structure 20 and the heat exchange coil 30 are both installed on the lower disc 11, so that the lower disc 11 can play a role of heat preservation and protection, and optionally, the lower disc 11 adopts a heat insulation member, such as plastic with good heat insulation effect or other heat insulation materials, and the like.
In order to further increase the residual heat utilization rate of the bath waste water, in an embodiment of the present utility model, the heat storage structure 20 is filled in the accommodating cavity, and the heat exchange coil 30 is embedded in the heat storage structure 20.
In this embodiment, the heat storage structure 20 is filled in the accommodating cavity, so that the contact area between the heat storage structure 20 and the upper plate 12 is increased, the heat exchange area of the heat storage structure and the upper plate is further increased, and the heat exchange efficiency is improved. In addition, the heat exchange coil 30 is embedded in the heat storage structure 20, and it can be understood that the heat storage structure 20 is wrapped outside the heat exchange coil 30, so as to increase the heat exchange area of the heat storage structure 20 and the heat exchange coil 30, and meanwhile, the heat storage structure 20 can also play a role in preserving heat of the heat exchange coil 30, so that heat in the heat exchange coil 30 is prevented from being dissipated, and the purpose of effectively improving the water inlet temperature of the electric water heater 200 is achieved.
Optionally, a mounting channel 201 is provided in the heat storage structure 20, and the heat exchange coil 30 is embedded in the mounting channel 201.
In an embodiment of the present utility model, referring to fig. 1 to 6, the lower tray 11 includes a first tray bottom 111 and a first peripheral edge 112, and the first tray bottom 111 is disposed opposite to the upper tray 12; the first surrounding edge 112 is surrounding the periphery of the first tray bottom 111 and is connected with the upper tray 12, and the first surrounding edge 112, the first tray bottom 111 and the upper tray 12 form the accommodating cavity; the first peripheral edge 112 is provided with two mounting openings 101 through which the water inlet end 301 and the water outlet end 302 of the heat exchange coil 30 pass respectively.
In this embodiment, for the structure of the lower disc 11, the first disc bottom 111 and the first surrounding edge 112 are connected to form the lower disc 11, the upper disc 12 is connected to the first surrounding edge 112 to form a closed accommodating cavity by surrounding the first disc bottom 111, then the upper surface of the heat storage structure 20 abuts against the bottom wall of the upper disc 12, and the lower surface of the heat storage structure 20 is mounted on the first disc bottom 111, so that the heat storage structure 20 fills the entire accommodating cavity. The heat exchange coil 30 is disposed on the first tray bottom 111, and it can be understood that the heat exchange tubes of the heat exchange coil 30 are tiled in the heat storage structure 20, and the water inlet end 301 and the water outlet end 302 of the heat exchange coil 30 respectively pass through the two mounting openings 101 on the first peripheral edge 112 to be connected with corresponding pipelines.
It can be appreciated that by arranging the two mounting openings 101 on the first peripheral edge 112, the extending direction of the water inlet end 301 and the water outlet end 302 of the heat exchange coil 30 is consistent with the extending direction of the tray body 10, the structural layout is more compact, the structural integrity of the first tray bottom 111 and the upper tray 12 is ensured, and the structural strength of the tray body 10 is improved. In practical application, the two mounting ports 101 may be disposed on the same side or different sides of the first peripheral edge 112, in this embodiment, the two mounting ports 101 are disposed on the same side of the first peripheral edge 112 in consideration of the arrangement of the heat exchange coil 30 or the layout of external pipelines, so that the length of the heat exchange coil 30 in the accommodating cavity can be prolonged while the pipeline is conveniently mounted, and the heat exchange area is increased.
Alternatively, the first tray bottom 111 and the first peripheral edge 112 are integrally formed, and may be formed by mold molding or 3D printing.
It will be appreciated that the arrangement of the heat exchange coils 30 at the first tray bottom 111 may be according to practical situations, for example, may be S-shaped, spiral or other forms, and may be series or parallel, so long as a sufficient heat exchange tube length is ensured. In order to increase the contact area between the heat exchange coil 30 and the heat storage structure 20 and prolong the length of the heat exchange coil 30 on the first plate bottom 111, in this embodiment, the heat exchange coil 30 is distributed in series in the heat storage structure 20, so as to facilitate the arrangement of the pipes.
Specifically, the heat exchange coil 30 includes a first heat exchange tube 31 and a second heat exchange tube 32 connected in series with the first heat exchange tube 31, the first heat exchange tube 31 is connected with the water inlet end 301, and the second heat exchange tube 32 is connected with the water outlet end 302; the first heat exchange tube 31 includes a plurality of sub heat exchange tubes distributed at intervals along the first direction, and the plurality of sub heat exchange tubes are connected end to end in sequence; one end of the second heat exchange tube 32 is connected to an end of the first heat exchange tube 31 remote from the water inlet end 301, and the other end extends toward the water outlet end 302 along the first direction. It can be appreciated that the first heat exchange tubes 31 form a serpentine structure connected in series, so that the first heat exchange tubes 31 are distributed more uniformly in the heat storage structure 20, and cold water entering from the water inlet end 301 can be fully heat exchanged with the heat storage structure 20 by connecting the first heat exchange tubes 31 with the water inlet end 301, thereby improving heat exchange efficiency. The first heat exchange pipe 31 is disposed more in the middle region of the heat storage structure 20 to secure a more effective heating effect. The water heated by the first heat exchange tube 31 flows from the second heat exchange tube 32, the water outlet end 302, and into the water inlet pipe of the electric water heater 200.
In an embodiment of the present utility model, referring to fig. 1 to 6, the first tray bottom 111 is provided with a first support 131 for supporting the heat exchange coil 30. In this embodiment, the first supporting member 131 plays a role in supporting the heat exchange coil 30, and improves the reliability of the overall structure. The first supporting member 131 supports the heat exchange coil 30, so that the heat exchange coil 30 is spaced from the first tray bottom 111, and heat loss caused by heat exchange between the heat exchange coil 30 and the first tray bottom 111 is prevented.
In an embodiment of the present utility model, the first tray bottom 111 is provided with a plurality of second supporting members 132 for supporting the upper tray 12, and the plurality of second supporting members 132 are abutted against the bottom wall of the upper tray 12.
In this embodiment, the plurality of second supporting members 132 are provided on the first tray bottom 111, and the plurality of second supporting members 132 are used to support the upper tray 12, so as to prevent the upper tray 12 from being deformed after being stressed. One end of the second supporting members 132, which is away from the first tray bottom 111, abuts against the bottom wall of the upper tray 12, so that the deformation preventing effect of the upper tray 12 is better, the second supporting members 132 can be uniformly distributed on the first tray bottom 111 at intervals, and the number of supporting points of the second supporting members 132 on the upper tray 12 is increased, so that the stress of the upper tray 12 is more uniform.
In practical application, the distribution manner of the plurality of second supporting members 132 may be according to practical situations, for example, may be regular distribution such as an array or scattered irregular distribution, or alternatively, the plurality of second supporting members 132 are distributed between two adjacent sub heat exchange tubes at intervals, so as to avoid interference with the arrangement of the sub heat exchange tubes. In this embodiment, a plurality of the second supporting members 132 are distributed on the first tray bottom 111 in an array shape in consideration of the installation layout of the second supporting members 132 and the first tray bottom 111, the molding of the mold, and the like. Optionally, the second support 132 is of unitary construction with the first tray bottom 111.
In practical applications, the structural shape of the second supporting member 132 may be according to practical situations, such as a supporting column structure, a supporting bar structure, or a supporting plate structure. In this embodiment, in order to ensure the supporting effect and the heat exchanging effect at the same time, the second supporting member 132 adopts a supporting column structure, and the cross-sectional shape of the second supporting member 132 may be cross-shaped, m-shaped, cylindrical, Y-shaped, etc.
In an embodiment of the present utility model, referring to fig. 1 to 6, the upper disc 12 includes a second disc bottom 121 and a second peripheral edge 122, and the second disc bottom 121 is connected to the lower disc 11 and forms the accommodating cavity with the lower disc 11; the second surrounding edge 122 is surrounded on the periphery of the second tray bottom 121, and forms a water collecting tank 12a for receiving bath waste water with the second tray bottom 121, and the second surrounding edge 122 is provided with a water outlet 102 communicated with the water collecting tank 12 a.
The structure of the upper plate 12 is exemplified in this embodiment, and the second plate bottom 121 and the second surrounding edge 122 are connected to form the water collecting tank 12a in a surrounding manner, so that the bath waste water can stay in the water collecting tank 12a for a sufficient time, the contact time between the bath waste water and the second plate bottom 121 is prolonged, and the heat exchange time between the bath waste water and the heat storage structure 20 through the second plate bottom 121 is further prolonged, so that the heat storage structure 20 can absorb the heat of the bath waste water more fully, and the residual temperature utilization rate of the bath waste water is improved.
Optionally, the second tray bottom 121 is opposite to the first tray bottom 111 of the lower tray 11, and the bottom periphery of the second tray bottom 121 is connected to the first peripheral edge 112, so that the second tray bottom 121, the first peripheral edge 112 and the first tray bottom 112 enclose to form a relatively closed accommodating cavity, it is understood that the first tray bottom 111 and the first peripheral edge 112 are both heat-insulating members, and the second tray bottom 121 is a heat-conducting member, so that after the heat of the bath wastewater in the water collecting tank 12a is conducted from the second tray bottom 121 to the heat storage structure 20, the heat is conducted to the water in the heat exchange coil 30 more, and the heat is not emitted from other components, so as to ensure a larger waste heat recovery rate.
Alternatively, the second tray bottom 121 may have a "chevron" pattern distributed thereon to facilitate heat transfer.
In this embodiment, the second peripheral edge 122 is provided with the water outlet 102 in communication with the water collecting tank 12a, so that the high Wen Xiyu waste water flows out from the water outlet 102 after heat is conducted to the heat storage structure 20 in the water collecting tank 12a, and it is understood that the water outlet 102 can be externally connected with a floor drain or a sewer, etc., and the heat of the bath waste water is recovered and then discharged.
In practical applications, the shape and structure of the drain opening 102 may be determined according to practical situations, for example, a notch shape, a hole shape, or the like. In this embodiment, in order to facilitate drainage, the drain opening 102 is configured in a notch shape formed at the upper edge of the second peripheral edge 102. In order to further improve the residual heat utilization rate of the bath waste water, the water outlet 102 may be configured to include a notch structure with different opening depths, wherein the number of water outlets 102 with larger opening depth is smaller than the number of water outlets 102 with smaller opening depth, so that water entering the water collecting tank 12a can stay for a sufficient time, the heat exchange time between the bath waste water and the heat storage structure 20 is prolonged, and meanwhile, when the water quantity is too much, water can be discharged from two water outlets 102 with different opening depth sizes at the same time, so as to accelerate the water discharge speed.
Optionally, the number of drain openings 102 is plural, and the plurality of drain openings 102 are spaced around the periphery of the second peripheral edge 122.
The utility model also provides an electric water heating system, referring to fig. 1 to 7, the electric water heating system comprises an electric water heater 200 and a bath wastewater heat exchanging device, and the specific structure of the bath wastewater heat exchanging device refers to the above embodiment. Wherein, the water outlet end 302 of the heat exchange coil 30 in the bath waste water heat exchanging device is connected with the water inlet pipe of the electric water heater 200.
In this embodiment, when the electric water heater 200 is used by a user, the hot water flowing out from the water outlet structure 210 of the electric water heater 200 is used for bathing, the high-temperature waste water after bathing can flow to the tray body 10 of the bathing waste water heat replacement device, and the heat of the bathing waste water is conducted into the heat storage structure 20 to be stored; meanwhile, the heat exchange coil 30 connected with the cold water supply water inlet pipe 400 is in heat exchange connection with the heat storage structure 20 in the bath wastewater heat exchange device, and the water outlet end 302 of the heat exchange coil 30 is connected with the water inlet pipe 300 of the electric water heater 200, so that cold water of the cold water supply water inlet pipe 400 can flow into the water inlet pipe 300 of the electric water heater 200 after being heated by the heat exchange tube plate 30, the purpose of heating water inlet of the electric water heater 200 by utilizing high-temperature wastewater waste heat is achieved, the water inlet temperature of the electric water heater 200 is improved, the heating time of the electric water heater 200 can be shortened, the waiting time of a user is shortened, and the user experience is improved.
It can be understood that the waste water of the bath waste water heat replacement device can be high-temperature waste water after a user washes hands, washes dishes and other articles, and the electric water heating system can be applied to a bathroom or a kitchen.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (13)
1. A bath waste water heat exchanging device, characterized by comprising:
the tray body is used for receiving bath wastewater, and a containing cavity is formed in the tray body;
the heat storage structure is arranged in the accommodating cavity and is in heat exchange connection with the tray body; and
the heat exchange coil is arranged in the accommodating cavity and is in heat exchange connection with the heat storage structure, the heat exchange coil is provided with a water inlet end and a water outlet end, the water inlet end is used for being connected with a cold water supply water inlet pipe, and the water outlet end is used for being connected with a water inlet pipe of the electric water heater.
2. The bath waste water heat exchanging apparatus of claim 1, wherein said tray comprises:
the upper disc is used for receiving bath wastewater; and
the lower disc is arranged below the upper disc and surrounds the upper disc to form the accommodating cavity, the heat storage structure is arranged on the lower disc and is abutted to the bottom wall surface of the upper disc, and the heat exchange coil is connected with the heat storage structure.
3. The bath waste water heat exchanging apparatus according to claim 2, wherein said heat storage structure is filled in said accommodating chamber, and said heat exchanging coil is embedded in said heat storage structure.
4. A bath waste water heat exchange apparatus as claimed in claim 3, wherein said lower tray comprises:
the first disc bottom is arranged opposite to the upper disc; and
the first surrounding edge is arranged around the periphery of the first tray bottom and connected with the upper tray, and the first surrounding edge, the first tray bottom and the upper tray are surrounded to form the accommodating cavity; the first surrounding edge is provided with two mounting openings for the water inlet end and the water outlet end of the heat exchange coil to pass through respectively.
5. The bath waste water heat exchange apparatus as claimed in claim 4, wherein two of said mounting openings are located on the same side of said first peripheral edge.
6. The bath waste water heat exchange device of claim 5 wherein said heat exchange coils are arranged in series within said heat storage structure.
7. The bath wastewater heat exchange device of claim 6 wherein the heat exchange coil comprises a first heat exchange tube and a second heat exchange tube connected in series with the first heat exchange tube, the first heat exchange tube connected to the water inlet end and the second heat exchange tube connected to the water outlet end;
the first heat exchange tubes comprise a plurality of sub heat exchange tubes which are distributed at intervals along a first direction, and the sub heat exchange tubes are sequentially connected end to end; one end of the second heat exchange tube is connected with the end part of the first heat exchange tube, which is far away from the water inlet end, and the other end of the second heat exchange tube extends towards the water outlet end along the first direction.
8. The bath waste water heat exchange apparatus as claimed in claim 4, wherein said first tray bottom is provided with a first support for supporting said heat exchange coil.
9. The bath waste water heat exchanging apparatus of claim 4, wherein a plurality of second supporting members for supporting said upper plate are provided on said first plate bottom, and a plurality of said second supporting members are abutted against said upper plate through said heat storage structure.
10. The bath waste water heat exchange apparatus of claim 9 wherein a plurality of said second support members are distributed in an array on said first pan bottom.
11. The bath waste water thermal displacement device of any one of claims 2 to 10, wherein the upper plate comprises:
the second disc bottom is connected with the lower disc and is enclosed with the lower disc to form the accommodating cavity; and
the second surrounding edge is arranged on the periphery of the bottom of the second plate in a surrounding manner, and forms a water collecting tank for receiving bath wastewater with the bottom of the second plate, and the second surrounding edge is provided with a water outlet communicated with the water collecting tank.
12. The bath waste water heat exchanging apparatus of any one of claims 2 to 10, wherein the upper plate is a heat conductive member; and/or, the lower disc is a heat insulation piece.
13. An electric water heating system, characterized by comprising an electric water heater and a bath waste water heat exchanging device as claimed in any one of claims 1 to 12, wherein the water outlet end of a heat exchanging coil in the bath waste water heat exchanging device is connected with a water inlet pipe of the electric water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320716656.8U CN219433848U (en) | 2023-03-31 | 2023-03-31 | Bath waste water heat replacement device and electric water heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320716656.8U CN219433848U (en) | 2023-03-31 | 2023-03-31 | Bath waste water heat replacement device and electric water heating system |
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| Publication Number | Publication Date |
|---|---|
| CN219433848U true CN219433848U (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320716656.8U Active CN219433848U (en) | 2023-03-31 | 2023-03-31 | Bath waste water heat replacement device and electric water heating system |
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| Country | Link |
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| CN (1) | CN219433848U (en) |
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