CN210740724U - Waste heat recycling device for water heater - Google Patents

Waste heat recycling device for water heater Download PDF

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Publication number
CN210740724U
CN210740724U CN201921223963.2U CN201921223963U CN210740724U CN 210740724 U CN210740724 U CN 210740724U CN 201921223963 U CN201921223963 U CN 201921223963U CN 210740724 U CN210740724 U CN 210740724U
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China
Prior art keywords
water
waste heat
heat recovery
waste
panel
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CN201921223963.2U
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Chinese (zh)
Inventor
王峰
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Yunnan Jindilai Solar Technology Co ltd
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Yunnan Jindilai Solar Technology Co ltd
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Abstract

The utility model discloses a waste heat recycling device for a water heater, which comprises a waste heat recycling box body formed by surrounding a top panel, a bottom panel and four side panels, wherein a waste hot water inlet is arranged on the top panel; the inner cavity of the waste heat recovery box body is alternately provided with a plurality of partition plates, and the partition plates divide the inner cavity of the waste heat recovery box body into S-shaped waste hot water channels; a plurality of sections of tap water pipelines are arranged in the waste hot water channel and connected through elbows; one end part of the tap water pipeline communicated with the outside is a cold water inlet end, and the other end part is a preheated cold water outlet end; the cold water inlet end is used for being connected with a cold water source, and the preheating cold water outlet end is used for being connected with a water tank of the water heater; a side panel of one of the waste heat recovery box bodies is provided with a water level adjusting hole; the waste hot water inlet is arranged close to the preheating cold water outlet end. The device can recover the waste heat in the waste bath water, thereby achieving the purposes of saving energy and improving the energy utilization rate.

Description

Waste heat recycling device for water heater
Technical Field
The utility model relates to a waste heat recovery technical field, in particular to waste heat recovery utilizes device for water heater.
Background
In daily life, hot water for bathing is mainly provided by a water heater. Along with the increasing attention on the concept of energy conservation and environmental protection, the waste water waste heat recovery technology is widely applied to various fields. In the field of daily life, taking waste water generated by showering as an example, the bathing waste water has the characteristics of light pollution, stable water quality, large residual heat and the like, however, the bathing waste water is directly led into a sewer to be directly discharged, so that not only is the heat energy in the bathing waste water wasted, but also the discharge of the hot waste water causes certain thermal pollution to the environment.
Therefore, it is necessary to design a waste heat utilization device for recovering waste heat in waste bath water to achieve the purposes of saving energy and improving energy utilization rate.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a waste heat recovery utilizes device for water heater, reaches energy-conservation and the purpose that improves energy utilization.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a waste heat recovery and utilization device for a water heater comprises a cuboid-shaped waste heat recovery box body, wherein the waste heat recovery box body is formed by surrounding a top panel, a bottom panel and four side panels, and a waste hot water inlet is formed in the top panel; the inner cavity of the waste heat recovery box body is alternately provided with a plurality of partition plates, and the partition plates divide the inner cavity of the waste heat recovery box body into S-shaped waste hot water channels; a plurality of sections of tap water pipelines are arranged along the waste hot water channel and connected through elbows; one end part of the tap water pipeline communicated with the outside is a cold water inlet end, and the other end part of the tap water pipeline is a preheated cold water outlet end; the cold water inlet end is used for being connected with a cold water source, and the preheating cold water outlet end is used for being connected with a water tank of the water heater; a water level adjusting hole is formed in a side panel of one of the waste heat recovery box bodies; the waste hot water inlet is arranged close to the preheating cold water outlet end.
Further, the water level regulation hole is provided with the multirow from last to bottom along the lateral wall of waste heat recovery box, and every quantity that drains the water level regulation hole reduces from top to bottom in proper order.
Furthermore, the water level adjusting holes on the same row have the same aperture, and the aperture of the water level adjusting holes on each row is reduced from the upper row to the lower row in sequence.
Furthermore, the water level regulation hole is provided with three rows, and the quantity of water level regulation hole is from last to down each row be 3 in proper order, 2, 1.
Further, the tap water pipeline is an inner spiral pipe.
Further, the tap water pipe is made of an aluminum material.
Furthermore, a filter is embedded at the water inlet of the waste hot water.
The utility model has the advantages that:
(1) when in use, the waste hot water is collected and flows into the inner cavity of the waste heat recovery box body through the waste hot water inlet; cold water enters a tap water pipeline from a cold water inlet end and performs wall-dividing heat exchange with waste hot water in an inner cavity of the waste heat recovery tank, the cold water absorbing a part of waste water for preheating enters a water tank of the water heater through the pipeline, and the waste water releasing a part of waste heat is discharged from the water level adjusting hole. The utility model discloses a retrieve waste water waste heat to can effectively reduce the water heater time of heating up water, reach energy-conserving and improve energy utilization's purpose.
(2) The utility model provides a waste heat recovery utilizes device can use with solar water heater or the supporting of electric water heater, can handle the abandonment hot water after bathing, washing vegetables or the brush bowl.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is the utility model discloses the internal structure schematic diagram behind the top panel is got rid of to well waste heat recovery box.
In the figure, 1-a waste heat recovery box body, 2-a waste hot water inlet, 3-a partition plate, 4-a waste hot water channel, 5-a tap water pipeline, 6-a cold water inlet, 7-a preheated cold water outlet, 8-a water level adjusting hole, 9-a filter and 10-an elbow.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 and 2, a waste heat recovery and utilization device for a water heater comprises a rectangular waste heat recovery box body 1, wherein the waste heat recovery box body 1 is formed by surrounding a top panel, a bottom panel and four side panels, and a waste hot water inlet 2 is arranged on the top panel; the inner cavity of the waste heat recovery box body 1 is alternately provided with a plurality of partition plates 3, and the partition plates 3 divide the inner cavity of the waste heat recovery box body into S-shaped waste hot water channels 4; a plurality of sections of tap water pipelines 5 are arranged along the waste hot water channel 4, and the plurality of sections of tap water pipelines 5 are connected through elbows 10; one end of the tap water pipeline 5 communicated with the outside is a cold water inlet end 6, and the other end is a preheated cold water outlet end 7; the cold water inlet end 6 is used for being connected with a cold water source, and the preheating cold water outlet end 7 is used for being connected with a water tank of the water heater; a water level adjusting hole 8 is formed in a side panel of one of the waste heat recovery tank bodies 1; the waste hot water inlet 2 is arranged close to the preheating cold water outlet end 7. Note: the arrows shown in fig. 2 indicate the direction of flow of the cold water.
Preferably, the water level adjusting holes 8 are provided with a plurality of rows from top to bottom along the side wall of the waste heat recovery box body, and the number of the water level adjusting holes 8 in each row is reduced from top to bottom in sequence. By adopting the design, the overflow of the waste hot water in the inner cavity of the waste heat recovery box body 1 caused by the overlarge flow of the waste hot water can be avoided, and the insufficient water level of the waste hot water in the inner cavity of the waste heat recovery box body 1 caused by the too small flow of the waste hot water can be avoided.
More preferably, the water level adjusting holes 8 in the same row have the same aperture, and the aperture of the water level adjusting holes 8 in each row decreases from the upper row to the lower row. By this design, the drainage rate is reduced when the waste hot water flow is small, and is increased when the waste hot water flow is large.
Specifically, water level adjustment hole 8 is provided with three rows, and the quantity of water level adjustment hole 8 is from last down each row be 3 in proper order, 2, 1.
Preferably, the water supply pipe 5 is an internal spiral pipe. Because the pressure of the tap water is higher, the tap water pipeline 5 adopts the design of the internal spiral pipe, the turbulence degree of the cold water in the tap water pipeline 5 can be improved, and the heat exchange efficiency is further improved.
Preferably, the tap water pipe 5 is made of an aluminum material. The selection of the material of the tap water pipe 5 largely determines the heat transfer efficiency, and according to the properties of metal, an aluminum material with better strength, light weight and corrosion resistance is adopted in the embodiment.
Preferably, a filter 9 is embedded at the waste hot water inlet 2. Through the setting of filter 9, can reduce debris and enter into waste heat recovery box 1, avoid it to cause the jam.
The utility model discloses a theory of operation:
the utility model discloses adopt the dividing wall formula heat transfer principle, utilize waste hot water to preheat cold water, reach energy-conserving and improve energy utilization's purpose. Specifically, the method comprises the following steps: because the temperature difference exists between the waste hot water and the cold water, firstly, the waste hot water and the wall surface of the tap water pipe exchange heat in a convection way, and the heat energy is transferred to the pipe wall by the waste hot water; then, the heat conduction process of the wall surface is carried out, and the heat conductivity of the wall material of the tap water pipe determines the heat exchange efficiency; finally, the wall surface and cold water carry out heat convection, and the heat energy of the pipe wall is transferred to the cold water. Particularly, the waste hot water inlet 2 is arranged close to the preheating cold water outlet end 7, so that the flowing direction of cold water is opposite to the water inlet direction of waste hot water, and the heat exchange and transfer between cold water and hot water can be fully ensured by the counter-flow design.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims (7)

1. The utility model provides a waste heat recovery utilizes device for water heater which characterized in that: the waste heat recovery device comprises a cuboid waste heat recovery box body (1), wherein the waste heat recovery box body (1) is formed by surrounding a top panel, a bottom panel and four side panels, and a waste hot water inlet (2) is formed in the top panel; the inner cavity of the waste heat recovery box body (1) is alternately provided with a plurality of partition plates (3), and the partition plates (3) divide the inner cavity of the waste heat recovery box body into S-shaped waste hot water channels (4); a plurality of sections of tap water pipelines (5) are arranged in the waste hot water channel (4), and the plurality of sections of tap water pipelines (5) are connected through elbows (10); one end part of the tap water pipeline (5) communicated with the outside is a cold water inlet end (6), and the other end part is a preheated cold water outlet end (7); the cold water inlet end (6) is used for being connected with a cold water source, and the preheating cold water outlet end (7) is used for being connected with a water tank of the water heater; a water level adjusting hole (8) is formed in a side panel of one of the waste heat recovery box bodies (1); the waste hot water inlet (2) is arranged close to the preheating cold water outlet end (7).
2. The waste heat recovery device for a water heater as claimed in claim 1, wherein: the water level adjusting holes (8) are provided with a plurality of rows from top to bottom along the side wall of the waste heat recovery box body, and the number of the water level adjusting holes (8) in each row is reduced from top to bottom in sequence.
3. The waste heat recovery device for a water heater as claimed in claim 2, wherein: the water level adjusting holes (8) on the same row have the same aperture, and the aperture of the water level adjusting holes (8) on each row is reduced from the upper row to the lower row in sequence.
4. A waste heat recovery device for a water heater according to claim 3, wherein: the water level adjusting holes (8) are arranged in three rows, and the number of the water level adjusting holes (8) is 3, 2 or 1 from top to bottom.
5. A waste heat recovery device for a water heater according to any one of claims 1 to 4, wherein: the tap water pipeline (5) is an inner spiral pipe.
6. The waste heat recovery device for a water heater as claimed in claim 5, wherein: the tap water pipe (5) is made of aluminum material.
7. The waste heat recovery device for a water heater as claimed in claim 1, wherein: and a filter (9) is embedded at the position of the waste hot water inlet (2).
CN201921223963.2U 2019-07-31 2019-07-31 Waste heat recycling device for water heater Active CN210740724U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921223963.2U CN210740724U (en) 2019-07-31 2019-07-31 Waste heat recycling device for water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921223963.2U CN210740724U (en) 2019-07-31 2019-07-31 Waste heat recycling device for water heater

Publications (1)

Publication Number Publication Date
CN210740724U true CN210740724U (en) 2020-06-12

Family

ID=70981487

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921223963.2U Active CN210740724U (en) 2019-07-31 2019-07-31 Waste heat recycling device for water heater

Country Status (1)

Country Link
CN (1) CN210740724U (en)

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