Panel for heating

 

The invention is used in Central heating systems, in particular the heating systems in the exterior wall panels for residential, public and industrial buildings. Panel for heating with heating elements made of a main part of a high-temperature heating elements adjacent to the premises, and an additional part with low-temperature heating elements located in the interior of the fence. The technical result is the reduction of heat loss, regulate the heat in the room to create a comfortable environment for the person. 5 C.p. f-crystals, 2 Il.

The invention relates to Central heating systems, in particular to the heating systems in the exterior wall panels for residential, public and industrial buildings.

Known panel to heat the room containing the heating elements are placed in an outer wall panel, slotted vertical channels in the upper and lower parts, communicating with the air space through the holes (see and.with. 590544, CL F 24 D 12/00. Panel for space heating. Declared 01.12.75, published 30.01.78,, bull. 4).

A disadvantage of the known panels for heating the exterior wall panels, give some heat directly to the outside air. The presence of narrow channels, communicating with the air space through holes, entails the accumulation of dust and dirt that is almost impossible to remove.

Closest to the technical essence and the achieved effect and is selected as the closest analogue is the panel for heating with heating elements, zamonolichennymi in the concrete of the outer wall (see B. N. Turkin. Heating of residential, public and agricultural buildings. Chelyabinsk: South Ural publishing house, 1970, S. 199).

However, the known panel for space heating provides increased unnecessary heat loss, as the heating elements, zamonolichennyj in the exterior wall panels, giving a significant part of the heat to the outside air. In addition, the panel has a high thermal inertia, complicating the regulation of heat in the room to provide comfortable conditions for people.

Object of the present invention is to reduce unnecessary heat loss, regulate the heat in the room to create a comfortable environment for the person.

The technical result, postimperialism heating elements, adjacent to the premises, and an additional part with low-temperature heating elements located in the interior of the fence.

This task is achieved by the fact that the known panel for heating with heating elements according to the invention is made of a main part with a high-temperature heating elements adjacent to the premises, and an additional part with low-temperature heating elements located in the interior of the fence. With this design panels for heating the heat flux from the main part of the panel with high temperature heating elements, leaving the outer side of the fence, is used to heat additional parts with low-temperature heating elements. The heat accumulated in the additional section of the panel can be used for the regeneration of all known methods.

Primary and secondary parts can be separated by a sealed air gap, can be separated by a sealed air gap and the screen. In addition, the main and additional parts may be separated by a layer of insulating material, may be separated by vozdushnom condensate.

Studies on patent and scientific and technical information sources show that the proposed panel for heating of the premises is unknown and should not be explicitly studied the prior art, i.e., meets the criterion of "novelty" and "inventive step".

The proposed panel for heating can be made in any enterprise, specializing in the industry, since it requires the known materials and standard equipment, widely produced by domestic and foreign industry.

Thus, the claimed panel for heating meets the criterion of "industrial applicability".

We offer a set of essential features reports claimed panels for space heating new properties that allow you to solve the problem, namely to reduce unnecessary heat loss, to provide for the regulation of heat in the room to create a comfortable environment for the person.

The implementation of the panel to heat the room from the main part of the high-temperature heating elements adjacent to the premises, and an additional part with low-temperature heating e is wysokotemperaturowe heating elements, aimed towards the outer fence, to accumulate additional parts with low-temperature heating elements for further useful lives and thus provides a reduction in unnecessary heat loss, which in turn provides control of heat transfer into the room to create a comfortable environment for the person.

The presence of a sealed air gap between the primary and secondary parts of the panel reduces the heat loss towards the outer fence, increases the efficiency of heat coming from the main part of the high-temperature heating elements.

The presence of pressurized air gap and the screen between the primary and secondary parts of the panel to an even greater extent reduces the heat loss towards the outer fence, increases the efficiency of heat transfer, provides regulation of heat into the room.

The presence of a layer of insulating material between the primary and secondary parts of the panel also reduces the heat losses towards the outside of the fence.

The presence of an air layer, vented internal air between the primary and dopolnitelna for collection and removal of condensate reduces the amount of water vapour, reduces the humidity of the material of the outer sheath, which in turn increases the heat resistance of this material and reduces heat loss.

Thus, the proposed combination of the above signs reduces unnecessary heat loss, provides regulation of heat in the room to create a comfortable environment for the person.

The proposed panel for heating is illustrated by drawings, where Fig. 1 shows a cross-section of the panel with a sealed air gap and the screen of Fig.2 is a cross section of a panel with a layer of insulating material.

Panel for heating includes the main part 1 with high temperature heating elements 2, extra part 3 with low-temperature elements 4, while the main part 1 is adjacent to area 5, and the additional part 3 is located in the thickness of the outer fence 6. The main part 1 and a supplementary part 2 can be separated by a sealed air layer 7, a display 8, a layer of insulating material 9, the air gap 10, ventilated internal air. Panel for heating may be provided with a device for draining cone heating elements 2 of the main part 1 serves the coolant with a temperature of 85-90oWith depending on weather conditions, and in low-temperature heating elements 4 additional part 3 serves coolant temperature 8-10oC. In the heat from the main part 1 spreads in the space 5 and the outer side of the fence 6, where in his way meets additional part 3 with low-temperature heating elements 4, where the accumulation of heat, which is used for the regeneration of all known methods.

In the following examples is defined by the front (towards the building) and the back (pointing to the outside air) heat output per meter of secondary glass tubes with a diameter of 162 mm, sealed with a pitch of 80 mm in the concrete wall panel thickness 60 mm with two-way heat transfer, the flow of water equal to 30 kg/h coolant Temperature of the main panel 90oWith, coolant temperature additional part of the 10oC. Coefficient of thermal conductivity of concretebet=1,37 W/MK, thermal conductivity of glassarticle=0,815 W/MK, then the heat resistance of the outer layer fencing Rna=0,95 km/watt.

In the case of otsutstvuet/m, and the back of the heat flow is directed to the outside air, grear=92 watts/m

In the case when the primary and secondary side of the panel separated by a sealed air gap, have heat resistance of sealed air gapRR=0,14 MS/W, facial heat one meter pipe gpersons=52 W/m the Amount of heat accumulated additional part of the panel, gAK=95 W/m In the temperature of the coolant additional part increases from 10 to 12.7oWith back and heat dissipation, additional panels 1 m pipe grear=35 W/m heat loss was reduced by 2.6 times in comparison with the conventional panel.

Example panels for space heating, when the main and supplementary parts separated by a sealed air gap and shield of aluminum foil. Let the temperature +20oWith the temperature of the outside air -34oWith a front heat one meter pipe gpersons=52 W/m, the accumulated heat gAK= 75 W/m, the temperature of the coolant in the advanced pane +12,2oC, rear heat grear=34 W/m Useless heat loss was reduced by 2.7 times.

Example panels for space heating, when �948.gif">= 50 mm, thermal conductivity=0,038 W/MK, the front heat dissipation gpersons= 52 W/m, the accumulated heat gAK=40 W/m, the temperature of the coolant in the additional section of the panel t2=11,1oC, rear heat grear=33,5 W/m Useless heat loss decreased by 2.75 times.

Example panels for space heating, when the main and supplementary parts separated by a layer of air, ventilated internal air. The front heat dissipation gpersons=52 W/m Accumulated heat gAK=48 W/m, coolant temperature additional part of t2=11,4oC, rear heat grear=33 W/m Useless heat loss decreased 2.8 times.

A device for collecting and removing condensate is allowed under certain heat and humidity operating conditions. With the temperature on the surface of the additional portion of the panel below the dew point, it is possible to arrange the collection and removal of condensate from the vapors passing through the outer fence, under the action of gravitational forces, using the device of collection and removal of condensate. This reduces the amount of water vapor, the material in the outer fence loses humidity the comparative advantages of the inventive panels for space heating is the possibility of its use for cooling in hot summer, as well as the possibility of its use for drying materials of the outer fence.

In the summer, under the influence of solar radiation and outside air temperature is the process of unsteady heat transfer through the outer fence. Day fencing accumulates heat, later donating it to the room. This process of heat transfer from the enclosure at the location happens at night when no solar radiation and the decrease of the outside temperature, so as accumulating capacity of external walls is great. Consequently, to maintain a comfortable environment in hot summer time required to produce cooling at night. The presence of an additional part of the panel lowers the temperature in the interior of the fence, transferring the accumulated heat from the coolant, reducing the capacitive characteristics of building envelopes.

An example of using panels for space heating in the summer time. Let the temperature of the air in the room +18oWith the outside temperature of +30oWith between primary and secondary parts, the panels are sealed air gap.

The pipe material and the panel is the same as in the previous examples dthe panel +12oWith additional parts +5oC.

1. From the premises of heat flow to the main part, gMr.=4.2 W/m, the temperature changes from +12 to +12,2oC.

2. Heat flow from the street into the guardrail gdrug=14,1 W/m, the coolant is heated to a temperature of +5oWith temperatures of +5,5oC.

3. The heat exchange between the primary coolant side of the panel with additional coolant side of the panel, g'=8 W/m

Under certain humidity conditions of external fencing and the use of the claimed panel for heating gives the opportunity to directly influence the dynamics of change in moisture content material of external walls. Of building physics it is known that the heat transfer coefficient increases with increasing humidity of the material and, conversely, when decreasing the moisture content of the material increases thermal resistance of the same material.

In the winter, when the vapor transfer air from the room into the thickness of the fence in the direction of the outside air, the humidity of the material of external walls increases, which entails additional unnecessary heat loss. The summer period is characterized by a decrease in humidity natures is dew on the surface of the additional part of the panel, vapors passing from the room in the direction of outdoor air will condense on that surface, the condensate is removed using a device for collecting and removing condensate, and in the materials of the outer fence comes fewer vapors, thereby decreasing the dynamics of wetting and reduce thermal resistance of the material.

In different seasons, under different modes of operation, characterized by an increase in the moisture content of materials of fences, it is possible to arrange for drying materials of fences in the reverse order of movement of vapor in the direction of the external or internal air by increasing the temperature of the internal side of the panel, while maintaining the desired temperature in the main part of the panel to ensure comfortable conditions indoors.

Using the stated panels for heating allows you to save all the advantages of a radiant panel heating in terms of sanitary and hygienic requirements and conditions of comfort for the person. Convective heat transfer is not increased, no hard to reach places for dust accumulation. When the space heating temperature can be lowered by 1 to 3oAnd when the cooling temperature is the capacity of the heating system and cooling system.

Claims

1. Panel for heating with heating elements, characterized in that it is made from the main part of the high-temperature heating elements adjacent to the premises, and an additional part with low-temperature heating elements located in the interior of the fence.

2. The panel p. 1, characterized in that the main and supplementary parts separated by a sealed air gap.

3. The panel p. 1, characterized in that the main and supplementary parts separated by a sealed air gap and the screen.

4. The panel p. 1, characterized in that the main and supplementary parts separated by a layer of insulating material.

5. The panel p. 1, characterized in that the main and supplementary parts separated by a layer of air, ventilated internal air.

6. The panel p. 1, characterized in that it is provided with a device for draining condensate.

 

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