CN113028882A

CN113028882A - Heat transfer plate recovery system for waste heat of public bathroom

Info

Publication number: CN113028882A
Application number: CN202110451111.4A
Authority: CN
Inventors: 张厚清; 伍照全; 何浩; 韩晴
Original assignee: Chemequip Industries Ltd
Current assignee: Chemequip Industries Ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-06-25

Abstract

The invention discloses a heat transfer plate recovery system for waste heat of a public bathroom, which comprises four parts, namely a water heater, a heat recovery heat transfer plate group, a floor drain and a shower nozzle. And a water replenishing pipeline of the water heater is connected with a hot water outlet main pipe and a tap water pipe of the heat recovery heat transfer plate group. The water outlet pipeline of the water heater is connected with the shower nozzle and the tap water pipe; the heat recovery heat transfer plate group consists of a cold water inlet main pipe, a hot water outlet main pipe, a turbulent heat transfer plate and a plate support frame. The plate support frame plays a role in fixing and supporting the turbulent heat transfer plate; the turbulent heat transfer plates are provided with a plurality of blocks and are uniformly fixed in the plate support frame; the cold water inlet main pipe is welded, fixed and communicated with the water inlet of the turbulent flow heat transfer plate; the hot water outlet main pipe is welded, fixed and communicated with the water outlet of the turbulent heat transfer plate; the floor drain is a channel for the concentrated flowing of the waste water, and the heat recovery heat transfer plate group is arranged below the floor drain. The bathroom waste heat transfer plate recovery system has the advantages of high waste water waste heat recovery efficiency, simplicity in manufacture, convenience in installation, easiness in cleaning and the like.

Description

Heat transfer plate recovery system for waste heat of public bathroom

Technical Field

The invention relates to waste heat recovery equipment, in particular to a heat transfer plate recovery system for waste heat of a public bathroom.

Background

At present, the problems of energy shortage and environmental deterioration are more severe, and the demand for energy conservation and emission reduction is increasingly strong. As a big population country, China has a large proportion of domestic hot water energy consumption in total energy consumption. Particularly, high-density population areas such as communities and colleges are more important energy consumption households, and for bathrooms with centralized water supply, the problem of waste water and residual heat energy waste after bathing is more prominent at present in energy conservation and emission reduction. At present, the domestic bathroom waste water waste heat recovery device mainly adopts heat recovery by power sources such as a heat pump and the like, consumes a part of energy and is limited by places; and another waste heat recovery device for recovering waste heat through a heat pipe exchanger has the problems of low heat exchange efficiency, short service life of a heat pipe, inconvenient cleaning of the waste heat recovery device, limited site and the like.

Disclosure of Invention

In order to solve the problems of low heat exchange efficiency, difficult cleaning, limited places and the like in the waste heat recovery process of the public bathroom waste water in the prior art, the invention provides a waste heat transfer plate recovery system of the public bathroom, wherein the waste water after bathing flows through the surface of a turbulent heat transfer plate, the tap water in the turbulent heat transfer plate is heated by the heat exchange between the waste water after bathing and clean tap water in the heat transfer plate, and then the heated water returns to a water replenishing pipeline of a water heater, so that the initial temperature of the water entering the water heater is increased, the energy consumption is reduced, and the waste heat of the waste water in the public bathroom is recovered.

The technical scheme adopted by the invention for solving the technical problems is as follows: a heat transfer plate recovery system for waste heat of a public bathroom comprises a water heater, a floor drain, a heat recovery heat transfer plate group and a shower nozzle.

In the above system for recovering waste heat transfer plates of a public bathroom, the water replenishing pipeline of the water heater is connected with the hot water outlet main pipe of the heat recovery heat transfer plate group through a pipeline; and a water replenishing pipeline of the water heater is connected with a tap water pipe through a pipeline. The water outlet pipeline of the water heater is connected with the shower nozzle; and the water outlet pipeline of the water heater is connected with a tap water pipeline.

The heat recovery heat transfer plate group consists of a cold water inlet header pipe, a hot water outlet header pipe, a turbulent heat transfer plate and a plate support frame. The plate support frame is a square frame and plays a role in fixing and supporting the turbulence heat transfer plate. The turbulent heat transfer plates are uniformly fixed in the plate support frame and are supported and fixed by the plate support frame; the surface of the turbulent heat transfer plate is designed into a plurality of welding points, the turbulent flow channel is positioned around the welding points, and the turbulent heat transfer plate is provided with a strip or a plurality of baffle lines; the turbulent heat transfer plate comprises a plate water inlet, a plate water outlet and a turbulent flow channel, and the plate water inlet and the plate water outlet are arranged on one side of the turbulent heat transfer plate. The cold water inlet header pipe is welded, fixed and communicated with the water inlet of the turbulent flow heat transfer plate; the cold water inlet main pipe is connected with a tap water pipe. The hot water outlet main pipe is welded, fixed and communicated with the water outlet of the turbulent heat transfer plate; and the hot water outlet main pipe is connected with a water replenishing pipeline of the water heater.

In the waste heat transfer plate recovery system for the public bathroom, the floor drain is a passage for concentrated flowing of waste water, and the heat recovery heat transfer plate group is arranged below the floor drain.

The invention has the beneficial effects that the heat recovery heat transfer plate group is adopted by the waste heat transfer plate recovery system of the public bathroom for heat exchange, so that the waste heat of the waste water is recovered and utilized, and the beneficial effects are as follows:

1. because the turbulent heat transfer plate is used, the heat exchange efficiency is greatly improved by 1-2 times compared with the traditional heat pipe, so that the waste heat recovery efficiency is high;

2. through the plate design, dirt is easy to clean, and the quick cleaning can be realized only by using a brush;

3. the heat recovery heat transfer plate group can be manufactured in a modularized mode, is convenient to install and simple to manufacture, can be designed in a nonstandard mode according to the actual site space, is variable in specification, is not limited by the site space, and has strong adaptability.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a turbulating heat transfer plate;

FIG. 3 is a schematic cross-sectional view of a turbulated heat transfer plate;

in the figure, 1, a water heater, 2, a shower nozzle, 3, a floor drain, 4, a plate support frame, 5, a turbulence heat transfer plate, 6, a cold water inlet main pipe, 7, a hot water outlet main pipe, 8, a plate water inlet, 9, a plate water outlet, 10, a streamline, 11, a welding spot, 12, a turbulence channel, 13, a heat recovery heat transfer plate group, 14, a water heater water replenishing pipeline and 15, a water heater water outlet pipeline are arranged.

Detailed Description

In order to make the technical solution of the present invention more clearly understood, the technical solution in the embodiment of the present invention is further described in detail below with reference to the accompanying drawings in the embodiment of the present invention:

as shown in figures 1, 2 and 3, the invention relates to a heat transfer plate recovery system for waste heat of a public bathroom, which comprises a water heater 1, a floor drain 3, a heat recovery heat transfer plate group 13 and a shower nozzle 2. The floor drain 3 is a passage for the concentrated flowing of the waste water, and the heat recovery heat transfer plate group 13 is arranged below the floor drain 3. A water replenishing pipeline 14 of the water heater 1 is connected with a hot water outlet main pipe 7 of the heat recovery heat transfer plate group 13 through a pipeline; the water replenishing pipeline 14 of the water heater 1 is connected with a tap water pipe through a pipeline. The water outlet pipeline 15 of the water heater 1 is connected with the shower nozzle 2; the water outlet pipe 15 of the water heater 1 is connected with a tap water pipeline. The heat recovery heat transfer plate group 13 consists of a cold water inlet header pipe 6, a hot water outlet header pipe 7, a turbulent heat transfer plate 5 and a plate support frame 4. The plate support frame 4 is a square frame and plays a role in fixing and supporting the turbulent heat transfer plate 5. The turbulent heat transfer plates 5 are uniformly fixed inside the plate support frame 4 and are supported and fixed by the plate support frame 4; the surface of the turbulent heat transfer plate 5 is designed into a plurality of welding points 11, the turbulent flow channel 12 is positioned around the

welding points

11, and 1 or more baffling lines 10 are arranged on the turbulent heat transfer plate 5; the turbulent heat transfer plate 5 comprises a plate water inlet 8, a plate water outlet 9 and a turbulent flow channel 12, and the plate water inlet 8 and the plate water outlet 9 are arranged on one side of the turbulent heat transfer plate 5. The cold water inlet header pipe 6 is fixedly welded and communicated with the plate water inlet 8 of the turbulent heat transfer plate 5; the cold water inlet main pipe 6 is connected with a tap water pipe. The hot water outlet main pipe 7 is fixedly welded and communicated with a plate water outlet 9 of the turbulent heat transfer plate 5; the hot water outlet main pipe 7 is connected with a water replenishing pipe 14 of the water heater 1.

A kind of public bathroom waste heat transfer plate recovery system, the system starts the initial water heater 1 and enters the running water through the water replenishing pipe 14, the running water is heated by the water heater 1, the hot water is delivered to the shower nozzle 2 through the water outlet pipe 15, the hot water becomes the waste water after people use the hot water to bathe, the waste water flows through the heat recovery heat transfer plate group 13 through the floor drain 3, at the same time, the heat recovery heat transfer plate group 13 enters the cold water header pipe 6 and flows into the running water, the running water enters the turbulent flow heat transfer plate 5 through the turbulent flow heat transfer plate 5 plate water inlet 8, enters the hot water header pipe 7 through the turbulent flow channel 12 and the plate water outlet 9, in the heat recovery heat transfer plate group 13, the running water runs in the plate, the waste water after bathing runs out of the plate to realize the heat exchange, the hot water after the heat, the water inlet temperature of the water heater 1 is increased, so that the purposes of saving energy and recycling the waste heat of bathroom wastewater are achieved.

Claims

1. The invention discloses a heat transfer plate recovery system for waste heat of a public bathroom, which is characterized by comprising four parts, namely a water heater (1), a heat recovery heat transfer plate group (13), a floor drain (3) and a shower nozzle (2), wherein a water replenishing pipeline (14) of the water heater (1) is connected with a hot water outlet main pipe (7) and a tap water pipe of the heat recovery heat transfer plate group (13); the heat recovery heat transfer plate group (13) consists of a cold water inlet main pipe (6), a hot water outlet main pipe (7), a turbulent flow heat transfer plate (5) and a plate support frame (4), wherein the plate support frame (4) plays a role in fixing and supporting the turbulent flow heat transfer plate (5); the turbulent heat transfer plate (5) is provided with a plurality of blocks which are uniformly fixed inside the plate support frame (4); the cold water inlet header pipe (6) is welded, fixed and communicated with the plate water inlet (8) of the turbulent heat transfer plate (5); the hot water outlet main pipe (7) is welded, fixed and communicated with the plate water outlet (9) of the turbulent heat transfer plate (5); the floor drain (3) is a passage for the concentrated flowing of the waste water, and the heat recovery heat transfer plate group (13) is arranged below the floor drain.

2. A utility bathroom waste heat transfer plate recovery system as claimed in claim 1, wherein the heat recovery heat transfer plate pack (13) is designed to be modular for ease of installation.

3. A heat transfer plate recovery system for community bathroom waste heat, according to claim 1, characterized in that the heat recovery heat transfer plate set (13) is installed with a turbulent heat transfer plate (5) for heat exchange, and the thermal efficiency of the turbulent heat transfer plate (5) is 2-3 times that of the conventional heat pipe.

4. A heat transfer plate recovery system for waste heat from public bathrooms as in claim 1, wherein a plurality of turbulent heat transfer plates (5) are installed in the heat recovery heat transfer plate group (13) to exchange heat with waste water, and the plate design is easy to clean.