Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1981-11-18
1984-01-17
O'Connor, Daniel J.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
622351, 623241, 126431, 165 29, F24J 302, A63C 1910, F25B 2900
Patent
active
044259069
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a solar heating system in a building with a heat reservoir, and the purpose thereof is to make possible a more effective use of the heat stored in the reservoir, and an extensive reduction of the energy that has to be supplied externally in order to satisfy the total energy requirement in the building and thus to increase the efficiency of the solar heating system, which is done by making use of the heat which in the present energy supply systems is allowed to escape to the surroundings.
This purpose is achieved by a solar heating system according to claim 1.
An embodiment of the invention will be described in more detail below with reference to the accompanying drawings, in which
FIG. 1 is a vertical sectional view of a building provided with the solar heating system according to the invention,
FIG. 2 is a cross-sectional view of a sun collector of the solar heating system, and
FIG. 3 is a diagrammatic perspective view of the heat-storing bottom slab of the building with heating sources connected therewith.
The building disclosed in FIG. 1 with the solar heating system according to the invention comprises a supporting bottom slab 10 of concrete on which the supporting walls 11 of the building are builded up. The spaces 12 in the building are well heat-insulated. In the drawings a heavy outer insulation 13 along the floor, the side walls and the roof is shown. Existing windows 15 are provided with sealed panes. The building is orientated in such a way that is has a facade towards the south which is uncovered from the roof to the bottom slab.
The bottom slab 10 is heavier than required considering the strength thereof, to form a heat reservoir for storing heat in a manner to be described, and on the upper side thereof the bottom slab is covered by an insulation 13' which is thinner than the insulation 13.
At the southern side of the building and possibly also along one or more of the other sides of the building a sun collector 16 is arranged along the eaves. Referring also to FIG. 2 the sun collector is mounted in a box 17 with a heat insulation 18 above, below and behind the sun collector. This comprises a back plate 19 and a front plate 20 which has a heat-absorbing paint or coating on the front side thereof. The front plate 20 is covered by double glass or plastic sheets 21. Between the plates 19 and 20 a trapezoidally corrugated plate 22 is provided which is connected to the back plate 19 and the front plate 20 at joints 23 where a seal is provided between the plates 19, 20 and 20, 22, respectively, by means of a sealing compound which has a good thermal conductivity. Thus, the plates 19, 20 and 22 form a number of passages 24 which extend horizontally and are connected to an air inlet at one end and to an air outlet at the other end such that air can circulate through the passages.
Referring to FIG. 3 there is connected to the outlet of the sun collector a conduit 25 which extends to one end of a conduit system or conduit loop 26 in the bottom slab 10, while an inlet conduit 27 is connected to the inlet of the sun collector and extends to the other end of the conduit system or conduit loop 26 as is shown diagrammatically in FIG. 3.
Sun radiation falling in will heat the air in the passages 24 of the sun collector 16, and the heated air is supplied to the reservoir 10 where it supplies heat to the concrete and then returns to the sun collector. The circulation of the air is effected by means of a fan. The air is thus circulated in a closed system through the sun collector and the heat reservoir; no proportion of the air passing through the sun collector is supplied to the spaces 12 and no air is taken from these spaces to the circulation system through the sun collector and the bottom slab.
The heating of the circulating air can be supplemented with heating by means of another heat source, e.g. electric heaters or a furnace which is fired with wood or fossil fuels. This is shown in FIG. 3 wherein a fire stove 28 is provided. The air circulated through the conduit system or condu
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