CN219433849U - 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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- CN219433849U CN219433849U CN202320716690.5U CN202320716690U CN219433849U CN 219433849 U CN219433849 U CN 219433849U CN 202320716690 U CN202320716690 U CN 202320716690U CN 219433849 U CN219433849 U CN 219433849U
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Abstract
The utility model discloses a bathing wastewater heat exchange device and an electric water heating system, wherein the bathing wastewater heat exchange device comprises a tray body, the tray body is provided with a heat conduction part contacted with bathing wastewater, a heat exchange runner in heat exchange connection with the heat conduction part is formed in the tray body, the tray body is provided with a water inlet and a water outlet which are communicated with the heat exchange runner, the water inlet is used for being connected with a cold water supply pipe, the water outlet is used for being connected with a water inlet pipe of an electric water heater, and at least part of runners of the heat exchange runner are connected in parallel. According to the technical scheme, after the cold water of the cold water supply inlet pipe can be heated through the heat exchange flow channel, the cold water can flow into the inlet pipe of the electric water heater more quickly, so that the inlet temperature of the electric water heater is increased quickly, the heating time of the electric water heater is shortened, the waiting time of a user is shortened, and the user experience is improved.
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 purpose, the utility model provides a bathing wastewater heat exchange device, which comprises a tray body, wherein the tray body is provided with a heat conduction part contacted with bathing wastewater, a heat exchange runner in heat exchange connection with the heat conduction part is formed in the tray body, the tray body is provided with a water inlet and a water outlet which are communicated with the heat exchange runner, the water inlet is used for being connected with a cold water supply pipe, the water outlet is used for being connected with a water inlet pipe of an electric water heater, and at least part of runners of the heat exchange runner are connected in parallel.
In an embodiment of the utility model, the heat exchange flow channel comprises two flow channel groups connected, one of the two flow channel groups is communicated with the water inlet, and the other flow channel group is communicated with the water outlet;
at least one of the two flow channel groups has at least two sub-flow channels connected in parallel.
In an embodiment of the present utility model, the flow channel group includes a water inlet section, a flow dividing section, a flow collecting section and a water outlet section, the flow dividing section is connected with the water inlet section and the at least two parallel sub-flow channels, and the flow collecting section is connected with the at least two parallel sub-flow channels and the water outlet section.
In an embodiment of the present utility model, the split-flow section has a water inlet end and at least two water outlet ends, the water inlet end of the split-flow section is connected with the water inlet section, and the at least two water outlet ends of the split-flow section are respectively and correspondingly connected with at least two sub-flow channels;
and/or the current collecting section is provided with at least two water inlet ends and one water outlet end, the at least two water inlet ends of the current collecting section are respectively and correspondingly connected with at least two sub-runners, and the water outlet end of the current collecting section is connected with the water outlet section.
In one embodiment of the utility model, two of the flow channel groups are connected in series.
In an embodiment of the utility model, at least two of the sub-channels are arranged in parallel in the tray body at intervals.
In an embodiment of the utility model, the water inlet and the water outlet are located on the same side of the tray body.
In one embodiment of the present utility model, the tray body includes:
an upper tray having the heat conduction portion;
the lower disc is arranged below the upper disc and connected with the upper disc; the upper disc and the lower disc are enclosed to form the heat exchange flow channel, and the heat exchange flow channel is in heat exchange connection with the heat conduction part.
In an embodiment of the utility model, the lower disc includes a first disc body connected with the upper disc, the first disc body is recessed towards a direction away from the upper disc to form a flow channel groove, and the upper disc is abutted with the first disc body to cover the flow channel groove to form the heat exchange flow channel.
In an embodiment of the present utility model, the bottom plate further includes a first peripheral edge disposed around a periphery of the first plate body, and the first peripheral edge is disposed on a side of the first plate body facing away from the top plate; the water inlet and the water outlet of the heat exchange flow channel are both arranged on the first surrounding edge.
In an embodiment of the present utility model, the upper disc includes:
the second tray body is connected with the lower tray and is formed into the heat conducting part; and
the second surrounding edge is arranged on the periphery of the second tray body in a surrounding mode, and the second surrounding edge and the second tray body form a water collecting tank for receiving bath wastewater in a surrounding mode, and a water outlet communicated with the water collecting tank is formed in the second surrounding edge.
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 flow channel 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 exchange device, the tray body is used for receiving bath wastewater of the electric water heater, the tray body is provided with the heat conduction part contacted with the bath wastewater, and the heat exchange flow channel connected with the heat conduction part in a heat exchange manner is formed in the tray body, so that heat of the bath wastewater can be conducted to the heat exchange flow channel through the heat conduction part, and water in the heat exchange flow channel is heated. According to the embodiment, the water inlet of the heat exchange runner is connected with the cold water supply water inlet pipe, the water outlet is connected with the water inlet pipe of the electric water heater, and at least part of the runners of the heat exchange runner are connected in parallel, so that cold water of the cold water supply water inlet pipe can flow into the water inlet pipe of the electric water heater more quickly after being heated by the heat exchange runner, the water inlet temperature of the electric water heater is improved quickly, the heating time of the electric water heater is 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 view of an embodiment of a bath wastewater thermal displacement apparatus according to the present utility model;
FIG. 4 is a schematic view of a heat exchange flow path in an embodiment of a bath wastewater heat exchange device according to the present utility model;
FIG. 5 is a schematic view of a bath waste water heat exchanging device according to another embodiment of the present utility model;
FIG. 6 is a cross-sectional view of an embodiment of the bath waste heat exchange apparatus of the present utility model;
FIG. 7 is an enlarged view of a portion of FIG. 6 at N;
FIG. 8 is a schematic diagram of the electric water heating system of 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 the embodiment of the present utility model, as shown in fig. 1 to 7, the bath waste water heat exchanging device 100 includes a tray body 10, the tray body 10 has a heat conducting portion 121a contacting with the bath waste water, a heat exchanging channel 10a in heat exchanging connection with the heat conducting portion 121a is formed in the tray body 10, the tray body 10 is provided with a water inlet 101 and a water outlet 102 which are communicated with the heat exchanging channel 10a, the water inlet 101 is used for connecting with a cold water supply pipe 400, the water outlet 102 is used for connecting with a water inlet pipe 300 of the electric water heater 200, and at least part of channels of the heat exchanging channels 10a are connected in parallel.
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, a heat exchange flow channel 10a is formed in the tray body 10, heat of the bath waste water can be conducted to the heat exchange flow channel 10a through a heat conducting part 121a of the tray body 10, a water inlet 101 of the heat exchange flow channel 10a is connected with a cold water supply water inlet pipe 400, a water outlet 102 is connected with a water inlet pipe 300 of the electric water heater 200, so that the heat of the bath waste water can heat water in the heat exchange flow channel 10a, cold water of the cold water supply water inlet pipe can flow into a water inlet pipe of the electric water heater 200 after being heated through the heat exchange flow channel 10a, 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 the user is shortened, and the user experience is improved.
Cold water enters the heat exchange flow channel 10a from the water inlet 101 and flows into the water inlet pipe of the electric water heater 200 from the water outlet 102 after heat exchange, at least part of the flow channels of the heat exchange flow channel 10a are arranged in parallel, so that the water entering the heat exchange flow channel 10a can flow out of the water outlet 102 into the electric water heater 200 more quickly after being heated, the efficiency of hot water is improved, and the waiting time of a user is further shortened.
It can be appreciated that the tray body 10 is used for receiving bath waste water, 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 waste water to the tray body 10 through a pipeline. The heat conduction part 121a of the tray body 10 may be an upper surface, a side surface, a lower surface, or the like of the tray body 10 as long as the heat exchange flow path 10a inside the tray body 10 can be heat-exchange-connected with the heat conduction part 121a, for example, the heat exchange flow path 10a is in contact with the heat conduction part 121a, or the heat conduction part 121a is provided as a partial region or the like forming the heat exchange flow path 10a.
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, elliptical, rectangular, etc., and the cross-sectional area of the heat exchange flow channel 10a may be circular, elliptical, U-shaped, rectangular, or other special-shaped characteristics, etc., and may be specific according to the actual use condition, and is not limited herein.
In the bath waste water heat exchange device according to 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, the tray body 10 is provided with the heat conduction part 121a contacted with the bath waste water, and the heat exchange flow channel 10a in heat exchange connection with the heat conduction part 121a is formed in the tray body 10, so that the heat of the bath waste water can be conducted to the heat exchange flow channel 10a through the heat conduction part 121a, and the water in the heat exchange flow channel 10a is heated. In this embodiment, the water inlet 101 of the heat exchange flow channel 10a is connected with the cold water supply water inlet pipe 400, the water outlet 102 is connected with the water inlet pipe 300 of the electric water heater 200, and at least part of the flow channels of the heat exchange flow channel 10a are connected in parallel, so that cold water of the cold water supply water inlet pipe can flow into the water inlet pipe of the electric water heater 200 more quickly after being heated by the heat exchange flow channel 10a, thereby quickly improving the water inlet temperature of the electric water heater 200, 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. 3 to 5, the heat exchange flow channel 10a includes two flow channel groups a connected, one of the two flow channel groups a is in communication with the water inlet 101, and the other is in communication with the water outlet 102; at least one of the two flow channel groups a has at least two sub-flow channels a01 connected in parallel.
The present embodiment is exemplified with respect to the distribution manner of the heat exchange flow channel 10a, and the heat exchange flow channel 10a includes two flow channel groups a, which are respectively communicated with the water inlet 101 and the water outlet 102, so that cold water flows from the water inlet 101, flows through the two flow channel groups a for heating, and then flows out from the water outlet 102. It can be appreciated that the two flow channel groups a may be connected in series or in parallel, and when the two flow channel groups a are connected in series, cold water enters one flow channel group a from the water inlet 101 for heating and then enters the other flow channel group a for heating; when the two flow channels are connected in parallel, cold water can be split into two flow channel groups A at the same time for heating. In this embodiment, the two flow channel groups a are connected in series, so that the circulation speed of water flow in the tray body 10 is increased, and the sufficiency of water flow heating is ensured.
At least one of the two flow channel groups a has at least two parallel sub-flow channels a01, and one of the two flow channel groups a may have at least two parallel sub-flow channels a01, or both of the two flow channel groups a may have at least two parallel sub-flow channels a01.
Further, at least two sub-runners A01 are arranged in the tray body 10 at intervals in parallel, so that heat exchange uniformity is improved, and better heating effect is ensured.
In an embodiment, the flow channel group a includes a water inlet section A1, a flow dividing section A2, a flow collecting section A3 and a water outlet section A4, the flow dividing section A2 is connected with the water inlet section A1 and the at least two parallel sub-flow channels a01, and the flow collecting section A3 is connected with the at least two parallel sub-flow channels a01 and the water outlet section A4.
The distribution manner of the flow path group a in this embodiment is illustrated by way of example, water enters from the water inlet section A1, is split into at least two parallel sub-flow paths a01 through the split flow section A2 for heat exchange, is then converged into the water outlet section A4 through the current collecting section A3, and finally flows out from the water outlet 102 into the water inlet pipe of the electric water heater 200. It can be understood that the water flow is split into each parallel sub-flow passage a01, and then flows out in a converging manner, when in practical application, at least two parallel sub-flow passages a01 can be distributed at the region of the heat conducting part 121a of the tray body 10, so that the heat exchange uniformity is improved, and a better heating effect is ensured. Alternatively, the sub-flow channels a01 in the two flow channel groups a are all distributed in parallel in the tray body 10 at intervals.
Optionally, the split-flow section A2 has a water inlet end and at least two water outlet ends, the water inlet end of the split-flow section A2 is connected with the water inlet section A1, and the at least two water outlet ends of the split-flow section A2 are respectively and correspondingly connected with at least two sub-flow channels a01; and/or, the current collecting section A3 is provided with at least two water inlet ends and one water outlet end, at least two water inlet ends of the current collecting section A3 are respectively and correspondingly connected with at least two sub-flow channels A01, and the water outlet end of the current collecting section A3 is connected with the water outlet section A4.
It will be appreciated that the diversion section A2 serves to divert water from the water inlet section A1 into the respective sub-flow passages a01, and the collection section A3 serves to collect water from the respective sub-flow passages a01 into the water outlet section A4. In practical application, the number and the splitting manner of the water outlet ends of the splitting section A2 may be determined according to practical situations, for example, a manner of directly connecting the water inlet ends and the water outlet ends may be a direct one-to-two manner, a one-to-many manner, or a manner of indirectly connecting the water inlet ends and the water outlet ends (similar to a splitting manner) may be a manner of, for example, a one-to-two manner, a two-to-four manner, a four-to-eight manner, etc. In this embodiment, considering the uniformity of the water flow, the diversion section A2 adopts the second diversion mode. Correspondingly, the number of the water inlet ends and the current collecting mode of the current collecting section A3 can be determined according to practical situations, and the number of the water inlet ends is equal to that of the sub-runners A01, for example, the water inlet ends and the water outlet ends can be directly connected in two pairs, one pair or more pairs, or the water inlet ends and the water outlet ends can be indirectly connected in eight current collecting modes, for example, four current collecting modes, two current collecting modes, and the like. In this embodiment, in order to reduce the resistance of the water flow, the collecting section A3 adopts the second collecting mode.
In practical application, the water inlet 101 and the water outlet 102 may be disposed on the same side or different sides of the tray body 10, in this embodiment, the water inlet 101 and the water outlet 102 are disposed on the same side of the tray body 10 in consideration of the arrangement of the heat exchange flow channel 10a or the layout of external pipelines, so that the length of the heat exchange flow channel 10a can be prolonged and the heat exchange area can be increased while the pipelines are conveniently installed.
In an embodiment of the present utility model, referring to fig. 1 to 7, the tray body 10 includes an upper tray 12 and a lower tray 11, the upper tray 12 having the heat conductive part 121a; the lower disc 11 is arranged below the upper disc 12 and is connected with the upper disc 12; the upper plate 12 and the lower plate 11 are enclosed to form the heat exchange flow channel 10a, and the heat exchange flow channel 10a is in heat exchange connection with the heat conducting part 121 a.
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 heat conducting portion 121a is disposed on the upper tray 12, and the upper tray 12 is connected with the lower tray 11 to form the heat exchange flow channel 10a, so that the heat conducting portion 121a is in heat conducting contact with water in the heat exchange flow channel 10a, and a heating function of using residual heat of the bath wastewater to heat water in the heat exchange flow channel 10a is achieved, so as to raise the water inlet temperature of the electric heater 200.
The heat exchange flow channel 10a is formed by enclosing an upper disc 12 with a lower disc 11, and it can be understood that a groove is arranged on the upper disc 12 and encloses a lower disc 11 to form the heat exchange flow channel 10a, or a groove is arranged on the lower disc 11 and encloses an upper disc 12 to form the heat exchange flow channel 10a, or a groove is arranged on the upper disc 12 and the lower disc 11 at the same time and encloses a heat exchange flow channel 10a. The specific structure may be determined according to the actual situation, and is not limited herein. Alternatively, the heat conducting portion 121a is a bottom wall of the upper plate 12, and the heat conducting portion 121a is formed as a partial structure of the heat exchanging flow passage 10a.
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 exchanging flow passage 10a, and optionally, the upper plate 12 is made of a heat conducting member such as copper, stainless steel, aluminum or other materials having good heat conducting properties. Alternatively, the bottom wall 11 may serve as a thermal insulation shield, and the bottom wall 11 may be made of a thermal insulation material, such as plastic or other thermal insulation material with good thermal insulation effect.
In an embodiment, the lower plate 11 includes a first plate body 111 connected to the upper plate 12, the first plate body 111 is recessed toward a direction away from the upper plate 12 to form a flow channel groove 11a, and the upper plate 12 abuts against the first plate body 111 to cover the flow channel groove 11a to form the heat exchange flow channel 10a.
In this embodiment, the first disc 111 is connected to the upper disc 12, and a heat exchange flow channel 10a is formed between the first disc 111 and the upper disc 12, specifically, the first disc 111 is recessed towards a direction away from the upper disc 12 to form a flow channel groove 11a, and it can be understood that the flow channel groove 11a has an open groove structure, and the upper surface of the upper disc 12 and the upper surface of the first disc 111 are abutted to realize that the flow channel groove 11a is capped so as to form a relatively closed heat exchange flow channel 10a, so that water flowing into the heat exchange flow channel 10a from the cold water supply inlet pipe 400 cannot overflow to other places or cannot be polluted, and the cleanliness of water entering the water inlet pipe of the electric water heater 200 is ensured.
Alternatively, the cross-sectional shape of the flow channel groove 11a may be semicircular, rectangular, U-shaped, or the like. In this embodiment, the cross-sectional shape of the flow channel 11a adopts a U-shaped structure in consideration of the smoothness of the water flow, the water flow resistance, and the like, that is, the U-shaped flow channel is concavely formed on the first disk 111, so that the smoothness of the water flow can be improved, and the water flow resistance can be reduced.
In order to further improve the tightness of the water in the heat exchange flow channel 10a, in an embodiment of the present utility model, the bath waste water heat exchanging device further includes a sealing member distributed along the edge of the flow channel groove 11a, and the sealing member is sandwiched between the upper plate 12 and the first plate body 111.
In this embodiment, after the upper plate 12 is assembled with the first plate 111, the sealing member is clamped by the upper plate 12 and the first plate 111, so as to prevent water in the flow channel 11a from overflowing from the side, avoid water interference between two adjacent flow channels, and avoid influence of overflowing water flow on connection reliability of the upper plate 12 and the first plate 111, and improve reliability of the overall structure while ensuring tightness of the heat exchange flow channel 10a. It will be appreciated that the seals are provided on opposite sides of the flow channel 11a and extend along the path of the flow channel 11a to achieve a better sealing effect.
Alternatively, the sealing member may be a rubber strip structure having a certain plasticity.
In an embodiment of the present utility model, referring to fig. 1 to 7, the lower disc 11 further includes a first peripheral edge 112 disposed around the periphery of the first disc 111, and the first peripheral edge 112 is disposed on a side of the first disc 111 facing away from the upper disc 12; the water inlet 101 and the water outlet 102 of the heat exchange flow channel 10a are both disposed on the first peripheral edge 112.
In this embodiment, a first surrounding edge 112 is disposed on a side of the first disc 111 facing away from the upper disc 12, and it can be appreciated that the first surrounding edge 112 plays a role in supporting and fixing the first disc 111, so that the first disc 111 has enough space concave inwards on a side facing away from the upper disc 12 to form a runner groove 11a, so as to prevent the runner groove 11a from interfering with the ground or the installation platform when the lower disc 11 is installed on the ground or the installation platform. In addition, the first surrounding edge 112 is arranged around the periphery of the first disc 111, so that the supporting effect of the first surrounding edge 112 on the first disc 111 is more uniform, and the installation stability of the first disc 111 is ensured.
It can be appreciated that the heat exchange flow channel 10a is formed by enclosing the flow channel groove 11a on the first disc 111 and the upper disc 12, while the flow channel groove 11a is formed by concave shape of the first disc 111, the water inlet 101 and the water outlet 102 are disposed on the first enclosing edge 112, so that the water inlet 101 and the water outlet 102 are located at the same height position as the heat exchange flow channel 10a, and the situation that the water flow resistance is increased due to the large height difference between the water inlet 101 and the water outlet 102 and the heat exchange flow channel 10a is avoided, wherein the water inlet 101 is used for being connected with the cold water supply inlet pipe, and the water outlet 102 is used for being connected with the water inlet pipe 300 of the electric water heater 200. In addition, the water inlet 101 and the water outlet 102 are arranged on the first surrounding edge 112, so that the structural integrity of the first tray body 111 and the upper tray 12 is ensured, and the structural strength of the tray body 10 is improved.
Alternatively, the first tray 111 and the first peripheral edge 112 are integrally formed, and may be formed by mold molding or 3D printing.
Further, in the thickness direction, the height position of the bottom of the flow channel groove 10a is higher than the bottom height position of the first peripheral edge 112.
It can be appreciated that, in the foregoing embodiment, the runner groove 10a is formed by recessing the first disc 111 in a direction away from the upper disc 12, and the first surrounding edge 112 is disposed on a side of the first disc 111 away from the upper disc 12, so that the first surrounding edge 112 and the groove bottom of the runner groove 10a are both disposed on a side of the first disc 111 away from the upper disc 12.
In an embodiment of the present utility model, referring to fig. 1 to 7, the upper plate 12 includes a second plate body 121 and a second peripheral edge 122, the second plate body 121 is connected to the lower plate 11, and the second plate body 121 is formed as a heat conducting portion 121a; the second surrounding edge 122 is surrounded on the periphery of the second tray 121, and forms a water collecting tank 12a for receiving bath waste water with the second tray 121, and the second surrounding edge 122 is provided with a water outlet 103 communicated with the water collecting tank 12 a.
In this embodiment, for the structure of the upper disc 12, the second disc 121 and the second surrounding edge 122 are connected to form the water collecting tank 12a, 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 disc 121 is prolonged, the heat exchange time between the bath waste water and the water in the heat exchange flow channel 10a through the second disc 121 is further prolonged, and the residual temperature utilization rate of the bath waste water is improved.
Optionally, the second tray body 121 is arranged in an abutting manner with the first tray body 111 of the lower tray 11, so that the second tray body 121 covers the runner groove 11a of the first tray body 111 to form the heat exchange runner 10a, it can be appreciated that the first tray body 111 and the first surrounding edge 112 are both heat insulation pieces, and the second tray body 121 is a heat conduction piece, so that heat of the bath wastewater in the water collecting tank 12a is conducted from the second tray body 121 to the heat exchange runner 10a to heat the water, and the heat cannot be emitted from other components, so that a larger waste heat recovery rate is ensured.
Alternatively, the second tray 121 may have a "chevron" pattern thereon to facilitate heat transfer.
In this embodiment, the second peripheral edge 122 is provided with the water outlet 103 which is communicated with the water collecting tank 12a, so that the high Wen Xiyu waste water flows out from the water outlet 103 after heat is conducted to the heat exchange flow channel 10a in the water collecting tank 12a, and it is understood that the water outlet 103 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 use, the shape and structure of the drain opening 103 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 103 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 103 may be configured to include a notch structure having different opening depths, wherein the number of water outlets 103 having a larger opening depth is smaller than the number of water outlets 103 having a 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 simultaneously, when the water amount is too much, water can be simultaneously discharged from two water outlets 103 having different opening depth sizes, thereby accelerating the water discharge speed.
Alternatively, the number of the water discharge openings 103 is plural, and the plurality of water discharge openings 103 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 8, 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 102 of the heat exchange flow channel 10a in the bath waste water heat exchange 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 through 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, a heat exchange flow channel 10a is formed in the tray body 10, the water inlet 101 of the heat exchange flow channel 10a is connected with the cold water supply water inlet pipe 400, the water outlet 102 is connected with the water inlet pipe 300 of the electric water heater 200, so that the heat of the bathing waste water can heat the water in the heat exchange flow channel 10a, and cold water of the cold water supply water inlet pipe can flow into the water inlet pipe of the electric water heater 200 after being heated by the heat exchange flow channel 10a, so that 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 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 (12)
1. The utility model provides a bathing waste water heat replacement device which characterized in that, includes the disk body, the disk body has the heat conduction portion that contacts with bathing waste water, be formed with in the disk body with the heat transfer runner of heat transfer connection of heat conduction portion, the disk body be equipped with heat transfer runner intercommunication water inlet and delivery port, the water inlet is used for connecting the cold water inlet tube, the delivery port is used for connecting the inlet tube of electric water heater, at least some runner of heat transfer runner is parallelly connected.
2. The bath waste water heat exchange device according to claim 1, wherein the heat exchange flow passage comprises two flow passage groups connected, one of the two flow passage groups is communicated with the water inlet, and the other is communicated with the water outlet;
at least one of the two flow channel groups has at least two sub-flow channels connected in parallel.
3. The bath wastewater thermal displacement device of claim 2, wherein the flow passage group comprises a water inlet section, a flow dividing section, a flow collecting section and a water outlet section, the flow dividing section is connected with the water inlet section and the at least two parallel sub-flow passages, and the flow collecting section is connected with the at least two parallel sub-flow passages and the water outlet section.
4. The bath wastewater heat exchange device according to claim 3, wherein the diversion section is provided with a water inlet end and at least two water outlet ends, the water inlet end of the diversion section is connected with the water inlet section, and the at least two water outlet ends of the diversion section are respectively correspondingly connected with at least two sub-flow passages;
and/or the current collecting section is provided with at least two water inlet ends and one water outlet end, the at least two water inlet ends of the current collecting section are respectively and correspondingly connected with at least two sub-runners, and the water outlet end of the current collecting section is connected with the water outlet section.
5. The bath waste water heat exchanging apparatus of claim 2, wherein two of said flow passage groups are connected in series.
6. The bath waste water heat exchanging apparatus of claim 2, wherein at least two of said sub-flow paths are arranged in parallel in said tray body at intervals.
7. The bath waste water thermal displacement device of any one of claims 1 to 6, wherein the water inlet and the water outlet are located on the same side of the tray.
8. The bath waste water heat exchanging apparatus of any one of claims 1 to 6, wherein the tray comprises:
an upper tray having the heat conduction portion;
the lower disc is arranged below the upper disc and connected with the upper disc; the upper disc and the lower disc are enclosed to form the heat exchange flow channel, and the heat exchange flow channel is in heat exchange connection with the heat conduction part.
9. The bath waste water heat exchanging apparatus of claim 8, wherein said lower plate comprises a first plate body connected to said upper plate, said first plate body being recessed in a direction away from said upper plate to form a flow channel groove, said upper plate abutting said first plate body to cover said flow channel groove to form said heat exchanging flow channel.
10. The bath waste water heat exchanging apparatus of claim 9 wherein said lower tray further comprises a first peripheral edge disposed about the periphery of said first tray, said first peripheral edge being disposed on a side of said first tray facing away from said upper tray; the water inlet and the water outlet of the heat exchange flow channel are both arranged on the first surrounding edge.
11. The bath waste water heat exchanging apparatus of claim 8, wherein said upper tray comprises:
the second tray body is connected with the lower tray and is formed into the heat conducting part; and
the second surrounding edge is arranged on the periphery of the second tray body in a surrounding mode, and the second surrounding edge and the second tray body form a water collecting tank for receiving bath wastewater in a surrounding mode, and a water outlet communicated with the water collecting tank is formed in the second surrounding edge.
12. An electric water heating system, characterized by comprising an electric water heater and the bathing waste water heat exchanging device as claimed in any one of claims 1 to 11, wherein the water outlet end of a heat exchanging flow channel in the bathing 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 |
|---|---|---|---|
| CN202320716690.5U CN219433849U (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 |
|---|---|---|---|
| CN202320716690.5U CN219433849U (en) | 2023-03-31 | 2023-03-31 | Bath waste water heat replacement device and electric water heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219433849U true CN219433849U (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320716690.5U Active CN219433849U (en) | 2023-03-31 | 2023-03-31 | Bath waste water heat replacement device and electric water heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219433849U (en) |
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2023
- 2023-03-31 CN CN202320716690.5U patent/CN219433849U/en active Active
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