DE7703056U1 - CENTRAL HEATING BOILER WITH A TEMPERATURE-CONTROLLED HOT WATER TANK - Google Patents

Description

W. Ernst Haas + Sohn, 6349 Sinn

Central heating boiler with a temperature-controlled domestic hot water tank

The innovation concerns a central heating boiler with a temperature-controlled domestic water storage tank.

10

15th

It is common for steel boilers with a domestic hot water tank, the domestic hot water tank in the water jacket of the boiler body. The water jacket is preferably designed as a standing cylinder, in which the domestic hot water storage tank is also arranged upright above the boiler part. Through this, From the point of view of the manufacturing costs favorable design, the domestic water is inevitably on the temperature de-s boiler water is heated up. These hot water temperatures but are too high for use in many cases. In addition, a high level of domestic water temperature increases the risk of corrosion in the lines and higher heat losses must be expected.

By lowering the service water temperature to <60 C, most of the disadvantages mentioned above are eliminated eliminated. However, this requires a more expensive boiler design, in which the boiler and domestic water

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Storage unit are separate and provided at the factory or on site to be assembled. With this type of boiler, the advantages of the higher utility value are offset by the disadvantages of the greatest manufacturing costs.

It is the task of this innovation to eliminate this deficiency and to create a central heating boiler with temperature-controlled domestic water storage tank, the domestic water temperature of which ^{corresponds to the required level of <^ than 60 0} C and which can nevertheless be manufactured inexpensively, similar to the steel heating boiler mentioned in paragraph 2.

This object is achieved in that the boiler inner body and domestic water storage tank together in a water jacket, preferably designed as an upright cylinder are arranged and between the two units one, the common water space in two separate, but pressurized tig interconnected areas dividing insulation is available.

This insulation creates two temperature zones in the water jacket, but they are connected to one another on the pressure side are. The insulation consists of a hydro and the level of the occurring maximum boiler water pressure dimensionally stable material, e.g. polyurethane.

The subdivision of the water area into two separate tem- temperature zones through the insulation is solved in an advantageous embodiment of the innovation so that this is arranged between two sheet steel plates connected to the water jacket (sandwich construction).

The insulation is selected and dimensioned in this boiler design so that the heat transfer from

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The water space of the boiler to the water space of the domestic hot water storage tank is smaller than the total heat loss of the Domestic hot water tank external insulation. This prevents a The temperature of the domestic hot water storage tank increases.

Another advantage of the invention is that the inevitable tolerances in factory or on-site assembly of the known separate units do not occur. SorcLt can provide the necessary Connecting lines between the boiler and the water storage room are designed as rigid lines.

The boiler design according to the innovation is explained by the accompanying drawing.

The drawing represents a longitudinal section through the innovation according to the invention Central heating boiler.

The central heating boiler 1 comprises the boiler part 2 and the domestic water storage tank 3, which are arranged in the common water element 4. The insulation 5 is arranged between the boiler part 2 and the domestic water storage tank 3. The insulation 5 is arranged between two sheet steel plates 6 and 7 connected to the water jacket 4. The subdivision 5, 6 and 7 results in two separate areas 8 and 9 which are connected to one another on the pressure side by the flow and return lines 10 and 11. In the flow and return lines 10 and 11, a charge pump (not shown) and a check valve each are installed in a known manner.

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Reference number

1 central heating boiler

2 boiler part

3 domestic hot water tanks

4 water jacket

5 insulation

6 sheet steel plate

7 sheet steel plate

8 area

9 area

10 Pre-gluing

11 return line

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Claims (5)

Protection claims 1. Central heating boiler with a temperature control— th domestic water storage tank, characterized in that the internal boiler body (2) and domestic water storage tank (3) together in one, preferably as a standing cylinder * i trainedj water jacket (4) are arranged and between the two units one, the common water space in two separate, but with each other on the pressure side Insulation (5) dividing connected areas is available is" 2. Ztntralheizungskessel according to claim 1, characterized in that that the insulation (5) from a hydro and in the amount of the occurring maximum boiler water pressure dimensionally stable material, for example polyurethane. 3. Central heating boiler according to claims 1 and 2, characterized in that the heat transfer of the two *> Insulation separating the boiler units (5) is smaller than the heat transfer of the external insulation of the domestic hot water tank. 4. Central heating boiler according to claims 1 to 3, characterized in that the insulation (5) between two sheet steel plates (6,7) connected to the water jacket in a watertight manner is arranged. 5. Central heating boiler according to claims 1 to 4 _? characterized in that the pressure-side connection between the two boiler units in a known manner 7703056 05/26/77 Haas + Sohn - 5 - i ** j- takes place through the flow and return lines (10) and (11), in which a charge pump is installed in a known manner. 7703056 26.Q5.77