CN220892543U - Instant electric water heater with waste heat recovery system - Google Patents
Instant electric water heater with waste heat recovery system Download PDFInfo
- Publication number
- CN220892543U CN220892543U CN202322520267.0U CN202322520267U CN220892543U CN 220892543 U CN220892543 U CN 220892543U CN 202322520267 U CN202322520267 U CN 202322520267U CN 220892543 U CN220892543 U CN 220892543U
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- pipe
- water
- water heater
- recovery system
- spiral pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 238000011084 recovery Methods 0.000 title claims abstract description 20
- 239000002918 waste heat Substances 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000004321 preservation Methods 0.000 claims description 22
- 229910001220 stainless steel Inorganic materials 0.000 claims description 17
- 239000010935 stainless steel Substances 0.000 claims description 17
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The utility model relates to the technical field of energy-saving electric water heaters, in particular to an instant electric water heater with a waste heat recovery system, which comprises a water heater shell, a heat exchange assembly and a heating cup, wherein the heat exchange assembly comprises: the water inlet connector is formed after the bottom end of the large water pipe passes through the conical part, a spiral pipe is arranged on the outer side of the large water pipe, the spiral pipe is arranged in a sewer pipe in a series manner, and an upper cover is arranged at the top end of the large water pipe. According to the utility model, the heat exchange assembly is additionally arranged, the spiral pipe inside the heat exchange assembly is connected in series in the sewer pipe after the water use end is used, the inner side of the large-diameter water pipe and the outer side of the central pipe form an annular channel, cold water entering the water inlet pipe needs to pass through the annular channel, hot water flowing back in the sewer pipe passes through the spiral pipe, and the process can preheat the cold water at the inner side of the annular channel, so that the working power of the heating cup can be reduced, and the electric water heater has good energy conservation.
Description
Technical Field
The utility model relates to the technical field of energy-saving electric water heaters, in particular to an instant electric water heater with a waste heat recovery system.
Background
The inside of the instant heating type electric water heater is provided with the high-power heating cup, when the user side uses water, the heating cup and the control water valve are synchronously opened, water flows through the heating cup from bottom to top, and under the high-power work of the heating cup, the flowing water is quickly heated to a preset temperature.
The hot water used by the user side flows back to the sewer through the pipeline, the temperature of the water flowing back can still be kept above 26 ℃, heat loss can be caused by directly converging the water to the sewer through the pipeline, and the heating cup needs long-time high-power work to cause energy waste.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides an instant electric water heater with a waste heat recovery system.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the instant heating type electric water heater with the waste heat recovery system comprises a water heater shell and a heat exchange assembly, wherein a heating cup is fixedly connected inside the water heater shell, a water outlet pipeline is fixedly connected with a water outlet at the top end of the heating cup, and a water inlet pipeline is fixedly connected with a water inlet at the bottom end of the heating cup;
The heat exchange assembly includes: the utility model provides a water inlet connector is formed after the toper portion is passed through to the bottom of great warp water pipe, the outside of great warp water pipe is provided with the spiral pipe, the spiral pipe cluster is established in sewer pipe, the top of great warp water pipe is provided with the upper cover, the bottom fixedly connected with internal thread tube portion of upper cover, the top threaded connection of internal thread tube portion and great warp water pipe, the inboard fixedly connected with center plate of internal thread tube portion, the bottom central point of center plate puts fixedly connected with center tube, a plurality of round hole has been seted up to the bottom of center plate and the outside that is located the center tube, the top of upper cover is provided with the delivery port, and the delivery port of upper cover top is connected with water inlet pipe's inlet end through the pipeline.
As a further description of the above technical solution:
Further comprises: the stainless steel sleeve is sleeved on the outer side of the spiral pipe, a first heat preservation part is filled between the inner side of the stainless steel sleeve and the outer side of the large-diameter water pipe, the spiral pipe is embedded into the inner side of the first heat preservation part, and one end of the spiral pipe extends out of the end part of the first heat preservation part.
As a further description of the above technical solution:
A second heat preservation part is filled between the inner side of the stainless steel sleeve and the outer side of the conical part, an arc notch part is formed in the top end of the second heat preservation part, and the arc notch part is matched with the end part of the spiral pipe.
As a further description of the above technical solution:
The bottom of the central tube and the inner side of the conical part are provided with the conical part.
As a further description of the above technical solution:
the two ends of the spiral tube are fixedly connected with extension straight tubes, and the extension straight tubes extend out of the side surfaces of the stainless steel sleeve.
As a further description of the above technical solution:
the first heat preservation part and the second heat preservation part are heat preservation cotton.
The utility model has the following beneficial effects:
1. Compared with the prior art, the instant electric water heater with the waste heat recovery system has the advantages that the heat exchange assembly is additionally arranged, the spiral pipe inside the instant electric water heater is connected in series in the sewer pipe after the water use end is used, the inner side of the large-diameter water pipe and the outer side of the central pipe form an annular channel, cold water entering the water inlet pipe needs to pass through the annular channel, hot water flowing back in the sewer pipe passes through the spiral pipe, cold water at the inner side of the annular channel can be preheated in the process, and therefore the working power of a heating cup can be reduced, and the electric water heater has good energy-saving performance.
2. Compared with the prior art, the instant electric water heater with the waste heat recovery system has the advantages that the structure of the heat exchange assembly is improved, the inner side of the large water pipe and the outer side of the central pipe form an annular channel, the contact surface between cold water passing through the channel and the outer side wall of the large water pipe is increased, the temperature of hot water flowing back from the inner side of the spiral pipe is stored by utilizing the first heat preservation part, the spiral pipe and the stainless steel sleeve and is positioned on the outer side wall of the large water pipe, the heat exchange efficiency can be effectively improved, and in the scheme, the two independent water flow channels of the spiral pipe and the large water pipe are adopted, so that the cold water can be effectively prevented from being polluted; can realize that even if the spiral pipe leaks, the cold water in the large-channel water pipe can not be polluted.
Drawings
Fig. 1 is a schematic diagram of an instant electric water heater with a waste heat recovery system according to the present utility model;
Fig. 2 is a perspective view of a heat exchange assembly of the instant electric water heater with the waste heat recovery system provided by the utility model;
Fig. 3 is a cross-sectional view of a heat exchange assembly of an instant electric water heater with a waste heat recovery system according to the present utility model;
FIG. 4 is an enlarged view of FIG. 3 at A;
Fig. 5 is a semi-sectional perspective view of an upper cover of the instant electric water heater with the waste heat recovery system provided by the utility model;
fig. 6 is an exploded view of a heat exchange assembly of an instant electric water heater with a waste heat recovery system according to the present utility model.
Legend description:
1. A water heater housing; 2. a heating cup; 3. a water inlet pipeline; 4. a water outlet pipeline; 5. a heat exchange assembly; 51. a first heat retaining portion; 52. a large warp water pipe; 53. a spiral tube; 54. a tapered portion; 55. a second heat preservation part; 56. a stainless steel sleeve; 57. an upper cover; 58. an internal thread cylinder portion; 59. a center plate; 510. a central tube; 511. a cone portion; 512. a round hole; 513. arc notch.
Detailed Description
Referring to fig. 1-6, the instant electric water heater with the waste heat recovery system provided by the utility model comprises a water heater body and a water heater body, wherein the water heater body is provided with a water heater body: the water heater comprises a water heater shell 1 and a heat exchange assembly 5, wherein a heating cup 2 is fixedly connected to the inside of the water heater shell 1, cold water flowing through the inside of the heating cup 2 is heated, a water outlet pipeline 4 is fixedly connected to a water outlet at the top end of the heating cup 2, and a water inlet pipeline 3 is fixedly connected to a water inlet at the bottom end of the heating cup 2.
Cold water flows into the heating cup 2 through the water inlet pipeline 3, after being heated by the heating cup 2, flows out through the water outlet pipeline 4, a controller, a temperature monitoring sensor and a flowmeter are generally arranged in the water heater shell 1, the controller controls the power of the heating cup 2 according to the difference value between the water temperature value of the set parameter and the temperature value of cold water in the water inlet pipeline 3 and the monitoring value of the flowmeter (the larger the temperature difference value is, the larger the power of the heating cup 2 is, the larger the flow is, the larger the power of the heating cup 2 is), and the fact that the temperature of hot water discharged from the water outlet pipeline 4 after being heated by the heating cup 2 is the set value (the water temperature required by a user) is ensured.
The heat exchange assembly 5 of this scheme includes: the large water pipe 52, the bottom of the large water pipe 52 forms the water inlet interface after the toper portion 54, the water inlet interface is connected with the cold water supply end at home, the outside of the large water pipe 52 is provided with the spiral pipe 53, spiral pipe 53 is established in the sewer pipe in series, namely the hot water after the user uses flows into the sewer pipe, thereby can flow through spiral pipe 53, the top of the large water pipe 52 is provided with upper cover 57, the bottom fixedly connected with internal thread tube 58 of upper cover 57, internal thread tube 58 and the top threaded connection of large water pipe 52, the inboard fixedly connected with center plate 59 of internal thread tube 58, the bottom central point of center plate 59 puts fixedly connected with center tube 510, form the annular region between the inboard of large water pipe 52 and the outside of center tube 510, be used for the flow of cold water, the cross sectional area of this annular region should be basically with the inboard cross sectional area of water inlet interface is equal, guarantee that cold water stably flows, a plurality of round holes 512 are seted up to the outside of center tube 510, the top of upper cover 57 is provided with the delivery port, and the delivery port of upper cover 57 is connected with the water inlet end of inlet tube 3 through the pipeline.
The working principle of the heat exchange assembly 5 is as follows: the hot water after the use flows back to the sewer pipe, then flow through the spiral pipe 53, make spiral pipe 53 inboard department accumulate heat, cold water flows into the annular region of big warp water pipe 52 inboard and center tube 510 outside through the water inlet connection, rivers are nearer to the lateral wall of big warp water pipe 52, the temperature of the inboard department of absorption spiral pipe 53 that can be fine realizes efficient heat exchange, thereby preheat the cold water that flows through, then the delivery port on upper cover 57 top is flowed to the cold water after round hole 512, then flow into the water inlet end of water inlet pipeline 3 through the pipeline, finally enter into the inside heating cup 2 and heat, the difference of the cold water temperature value of preheating and the water temperature value of settlement parameter reduces, can reduce the power of heating cup 2 this moment, realize energy-conserving effect.
The scheme also comprises the following steps: the stainless steel sleeve 56, the stainless steel sleeve 56 cover is established in the outside of spiral pipe 53, and the inboard of stainless steel sleeve 56 and the outside of big water pipe 52 are filled with first thermal insulation portion 51, first thermal insulation portion 51 is used for keeping warm spiral pipe 53 and the non-contact portion of big water pipe 52, spiral pipe 53 embedding is in the inboard of first thermal insulation portion 51, and the tip of spiral pipe 53 stretches out from first thermal insulation portion 51, the design of this structure is convenient for install spiral pipe 53, can follow the tip spiral rotation spiral pipe 53 of first thermal insulation portion 51 to install spiral pipe 53 that can be quick.
A second heat-insulating part 55 is filled between the inner side of the stainless steel sleeve 56 and the outer side of the conical part 54, an arc-shaped notch part 513 is formed at the top end of the second heat-insulating part 55, and the arc-shaped notch part 513 is matched with the end part of the spiral pipe 53.
The second heat-insulating portion 55 is installed after the large-diameter water pipe 52 is installed, and is capable of fixing the position of the large-diameter water pipe 52, and the end portion thereof is capable of corresponding to the end portion of the first heat-insulating portion 51, and finally, the stainless steel jacket 56 is integrally installed.
The bottom end of the central tube 510 and the inner side of the conical part 54 are provided with conical parts 511, the conical parts 511 correspond to the conical parts 54, and the cross section area of the annular area formed by the conical parts is basically equivalent to the cross section area of the inner side of the water inlet interface.
Extension straight pipes are fixedly connected to the two ends of the spiral pipe 53, extend out of the side faces of the stainless steel sleeve 56, and are welded and fixed with the spiral pipe 53.
The first heat preservation part 51 and the second heat preservation part 55 are all heat preservation cotton for providing heat preservation effect.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a take waste heat recovery system's instant heating type electric water heater, includes water heater casing (1), the inside fixedly connected with of water heater casing (1) generates heat cup (2), the top delivery port fixedly connected with water outlet pipe way (4) of cup (2) generates heat, the bottom water inlet fixedly connected with water inlet pipe way (3) of cup (2) generate heat, its characterized in that still includes: a heat exchange assembly (5);
The heat exchange assembly (5) comprises: the utility model provides a big water pipe (52), form the water inlet after conical portion (54) of the bottom of big water pipe (52), the outside of big water pipe (52) is provided with spiral pipe (53), spiral pipe (53) cluster is established in the sewer pipe, the top of big water pipe (52) is provided with upper cover (57), the bottom fixedly connected with internal thread tube (58) of upper cover (57), the top threaded connection of internal thread tube (58) and big water pipe (52), the inboard fixedly connected with center plate (59) of internal thread tube (58), bottom central point put fixedly connected with center tube (510) of center plate (59), a plurality of round hole (512) have been seted up in the outside of the bottom of center plate (59) and in center tube (510), the top of upper cover (57) is provided with the delivery port, and the delivery port of upper cover (57) top is connected with the water inlet end of inlet tube (3) through the pipeline.
2. The instant electric water heater with waste heat recovery system of claim 1, further comprising: the stainless steel sleeve (56), stainless steel sleeve (56) cover is established in the outside of spiral pipe (53), and is filled with first heat preservation portion (51) between the outside of the inboard of stainless steel sleeve (56) and big water pipe (52), the inboard at first heat preservation portion (51) is embedded to spiral pipe (53), and the tip of spiral pipe (53) stretches out from first heat preservation portion (51).
3. The instant electric water heater with waste heat recovery system according to claim 2, wherein: a second heat preservation part (55) is filled between the inner side of the stainless steel sleeve (56) and the outer side of the conical part (54), an arc notch part (513) is formed in the top end of the second heat preservation part (55), and the arc notch part (513) is matched with the end part of the spiral pipe (53).
4. The instant electric water heater with waste heat recovery system according to claim 1, wherein: the bottom end of the central tube (510) and the inner side of the conical part (54) are provided with a conical part (511).
5. The instant electric water heater with waste heat recovery system according to claim 3, wherein: extension straight pipes are fixedly connected to two ends of the spiral pipe (53), and extend out of the side face of the stainless steel sleeve (56).
6. The instant electric water heater with waste heat recovery system of claim 5, wherein: the first heat preservation part (51) and the second heat preservation part (55) are all heat preservation cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322520267.0U CN220892543U (en) | 2023-09-16 | 2023-09-16 | Instant electric water heater with waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322520267.0U CN220892543U (en) | 2023-09-16 | 2023-09-16 | Instant electric water heater with waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220892543U true CN220892543U (en) | 2024-05-03 |
Family
ID=90869195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322520267.0U Active CN220892543U (en) | 2023-09-16 | 2023-09-16 | Instant electric water heater with waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220892543U (en) |
-
2023
- 2023-09-16 CN CN202322520267.0U patent/CN220892543U/en active Active
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