Method for heating fresh water for domestic or industrial use

a technology for heating fresh water and domestic use, applied in the direction of heating types, sustainable buildings, energy industry, etc., can solve the problems of reducing efficiency, difficult to supply fresh water at constant temperature, and solar energy consumption

Inactive Publication Date: 2010-12-30
VKR HLDG AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0030]A further particular advantage of the invention is that the whole apparatus can be designed as an integrated compact device of standard dime

Problems solved by technology

In this case supplying fresh water of constant temperature is difficult as regards control technology.
In this case it will be difficult, however, above all with hot water circulation systems, to maintain a layered temperature in the storage tank in all operational states.
This will reduce efficiency, especially in solar systems.
A further disadvantage of this solution is that a powerful conventional heat source must be provided for compact systems with relatively small tank volume if a drop in fresh water temperature at peak loads is to be avoided.
Such a system

Method used

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  • Method for heating fresh water for domestic or industrial use
  • Method for heating fresh water for domestic or industrial use

Examples

Experimental program
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Embodiment Construction

[0032]The system proposed by the invention comprises a solar collector 1 and a storage tank 2. Via a feeder line 4 departing from the bottom region of the storage tank 2 and a feeder pump 5 heat transport medium is fed to the solar collector 1, which medium after having been heated returns via a return line 6 into a stratification tube 7 and thus into the storage tank 2. The stratification tube 7 is provided with a multitude of return-flow openings 7a positioned in vertical rows, such that temperature stratification prevailing in the storage tank 2 will not be disturbed.

[0033]In the upper region 12 of the storage tank 2 there is an air space filled with air pressurized at about 3 bar, with the volume of this space at any rate greater than the total volume of solar collector 1 and the relevant sections of lines 4 and 6 to and from the solar collector 1. When the feeder pump 5 is deactivated the heat transport medium drains back from the solar collector 1 against the feeder-flow direc...

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PUM

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Abstract

A method and apparatus for heating service water and providing heat for the heating of buildings, if required, including a first heat source, a storage tank, and a service water heat exchanger for heating service water, where a simple, robust and efficient system is attained by connecting the first channel of the service water heat exchanger in parallel with the storage tank and by providing a control device, which controls the first circulator pump and the second circulator pump in such a way that in a first operational state the mass flow of the heat transport medium through the first heat source is greater than the mass flow of the heat transport medium through the first channel of the service water heat exchanger, and that in a second operational state the mass flow of the heat transport medium through the first heat source is smaller than the mass flow of the heat transport medium through the first channel of the service water heat exchanger

Description

TECHNICAL FIELD[0001]The invention relates to a method for heating fresh water for domestic or industrial use and for providing heat for the heating of buildings, having a first heat source, a storage tank and a fresh water heat exchanger for heating fresh water, where the flow of a heat transport medium through the first heat source is effected by a first circulator pump and the flow of the heat transport medium through a first channel of the fresh water heat exchanger is effected by a second circulator pump.[0002]The invention specifically relates to a method with a first heat source, a storage tank and a fresh water heat exchanger for heating fresh water, where the flow of a heat transport medium through the first heat source is effected by a first circulator pump and the flow of the heat transport medium through a first channel of the fresh water heat exchanger is effected by a second circulator pump.BACKGROUND[0003]When alternative energy sources, for instance solar energy, are...

Claims

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Application Information

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IPC IPC(8): F24J2/42F24J2/00F24J2/04F24S90/00
CPCF24D17/0021Y02B10/20F24D17/0031Y02P80/10Y02P80/20
Inventor ENGELHART, KLAUS
Owner VKR HLDG AS
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