CN101464016B - Intelligent ground heating system - Google Patents

Abstract

The invention discloses an intelligent ground heating system. The heating heat source is connected with the main heating water supply pipe and the main heating return water pipe; The regulating valve, automatic exhaust and unloading valve, support and floor heating pipe are connected, and the floor heating pipe is connected to the water collector through the return water compression joint of the floor heating pipe. The main heating return pipe is connected, the electric actuator is connected to the temperature control line, the temperature control line is connected to the thermostat, the thermostat is connected to an external power supply, the main heating water supply pipe is connected to the main heating return pipe, and the floor heating pipe is respectively connected to the fine stone concrete covering layer. Connect with bellows. The invention has the advantages of simple structure, convenient use, more than 50% energy saving, separate control of each room, stable and reliable system, and long service life. Guaranteed to be used for more than 50 years, clean and hygienic, and the choice of heat source is wide and flexible.

Description

Intelligent Floor Heating System

technical field

The invention relates to the field of low-temperature hot water floor radiation heating, and more specifically relates to an intelligent floor heating system. The system is suitable for residential buildings, public buildings with large spaces, swimming pools (pavilions), outdoor snow melting, heat preservation sheds, etc.

Background technique

Low-temperature hot water floor radiant heating technology (referred to as "floor heating" or "floor heating") is a new type of heating technology developed in China in the past ten years. Circulating flow in the pipe heats the concrete covering layer on the ground and supplies heat to the room through radiation and convection heat transfer through the ground. It is an energy-saving heating system that adjusts the thermal microclimate of the room. One of the energy-saving heating methods. This technology is suitable for residential buildings, public buildings with large spaces, swimming pools (pools), outdoor snow melting and other fields. It can not only use traditional energy, but also make full use of hot water from industrial waste heat boilers, return water from various air conditioners, and geothermal water. It has the advantages of high comfort, (compared with the radiator heating method) energy saving of 20-30%, (compared with the radiator heating method) effectively increases the use area by 2%, and has a long service life, etc. develop. Its shortcoming is: 1, heating time is slow. Under normal circumstances, increase the room temperature by 2-3°C per hour. 2. Waste of energy. Floor heating has the characteristics of slow temperature rise and long heat storage time, so it is difficult to fully provide temperature when people need it, and it is still heating when people don't need it.

Contents of the invention

The purpose of the present invention is to provide an intelligent floor heating system, which can intelligently control the floor heating temperature and water flow. heating mode), each room (area) is controlled separately, and each control unit can be controlled at six times a day, seven days a week. The floor heating pipeline has a long service life, ensuring more than 50 years of use, clean and hygienic, and the choice of heat source is wide and flexible. .

In order to achieve the above tasks, the present invention adopts the following technical measures:

An intelligent ground heating system, which includes: heating heat source, heating main water supply pipe, water distributor, flow regulating valve, automatic exhaust and water unloading valve, floor heating pipe, water collector, electric actuator, heating main return water pipe, temperature control Wire, thermostat, insulation board, reflective film, steel wire mesh, fine (bean) stone concrete covering, corrugated casing, threaded joint for heating main water supply pipe, threaded joint for heating main return water pipe, water supply pressure for floor heating pipe Tighten the joints, and press the joints tightly with the return water of the floor heating pipe.

It is characterized in that: the heating heat source is connected with the heating main water supply pipe and the heating main return water pipe; the heating main water supply pipe and the water distributor are connected through the heating main water supply pipe screw joint; The water valve, bracket and floor heating pipe are connected, the water separator and the floor heating pipe are connected through the water supply compression joint of the floor heating pipe; the floor heating pipe is connected with the water collector through the water return compression joint of the floor heating pipe; the water collector is connected with the electric actuator , Automatic exhaust and unloading valve, bracket and heating main return pipe are connected, water collector and heating main return pipe are connected through heating main return pipe threaded joint; electric actuator is connected with temperature control line; temperature control line is connected with The thermostat is connected; the thermostat is connected to an external power supply; the main heating water supply pipe is connected to the main heating return pipe; the main heating water supply pipe and the main heating return pipe are connected to the ground and the floor; Connection, the reflective film is connected with the steel wire mesh, the steel wire mesh is connected with the floor heating pipe, and the floor heating pipe is respectively connected with the fine (bean) stone concrete covering layer and the corrugated casing.

An intelligent ground heating system, its connection relationship is:

1. The heating heat source provides low-temperature hot water ≥ 30°C but ≤ 60°C, which is supplied to the water distributor through the main heating water supply pipe. The main heating water supply pipe generally adopts plastic pipes with a service life of more than 50 years. The water heaters are connected by threaded joints of the main heating water supply pipe, and the main heating water supply pipe is fixed on the ground and the floor by plastic pipe clamps. The heating source can generally choose high-quality energy such as: renewable energy geothermal, air conditioning waste heat hot water, natural gas boiler, air heat pump unit, etc. to provide heating water. The heating system design adopts the design of small temperature difference, large flow, and low supply water temperature. The main heating water temperature is 30-55°C hot water, and the heating return water temperature is 10°C lower than the heating main supply water temperature. The function of this part is to provide heating hot water for the water separator.

2. The water separator is distributed to the floor heating pipe for heating and hot water as required, and the water separator and the floor heating pipe are connected by the water supply compression joint of the floor heating pipe. According to the functional requirements of the building, 1-8 water distributors can be selected. When there are more than 8 partitions, 2 or more sets of water distributors can be selected to be connected in parallel. The function of the water separator is to distribute the heating hot water required by each area, and the function of the floor heating pipe is to radiate heating heat to provide the required heat for the building.

3. The floor heating pipe starts at the connection part with the water separator and the water collector. When the pipe spacing of the floor heating pipe is ≤100mm, a corrugated sleeve is installed. The function of the corrugated casing is to keep warm and protect the fine (bean) stone concrete covering layer from cracking due to excessive temperature.

4. A flow regulating valve is installed on each water diversion port of the water separator, and a screw connection is adopted between the water separator and the flow regulating valve. The function of the flow regulating valve is to adjust the resistance of water flow between different floor heating pipes to ensure the hydraulic balance in the heating pipes of various places.

5. An automatic exhaust and water discharge valve is installed at the end of the water separator, and the water separator and the automatic exhaust and water discharge valve are connected by threads. The function of the automatic exhaust water unloading valve is to discharge the air in the water separator and unload water when heating water needs to be removed.

6. The water distributor is installed on the bracket, and the water distributor and the bracket are connected by pipe hoops. The function of the bracket is to fix the water separator and the water collector.

7. The bracket is fixed on the wall, and the bracket and the wall are fixed with expansion bolts.

8. The heating water in the floor heating pipe returns to the water collector after circulating on the ground, and the floor heating pipe and the water collector are connected by the backwater compression joint of the floor heating pipe. The function of the water collector is to collect the return water in each heating pipe.

9. The heating water in the water collector is concentrated and then discharged back into the main heating return pipe. The water collector and the main heating return pipe are connected by the threaded joint of the main heating return pipe.

10. An electrothermal actuator is installed on each water collecting port of the water collector, and the water collector and the electrothermal actuator are connected by threads. The function of the electrothermal actuator is to switch on/off the heating water in the heating pipe.

11. The water collector is installed on the bracket, and the water collector and the bracket are connected by pipe hoops. The function of the bracket is to fix the water separator and the water collector.

12. The electrothermal actuator is connected with the temperature controller through the temperature control line. The thermostat can choose HT85 electronic thermostat, HT80 LCD weekly programming thermostat or HT89 LCD touch screen weekly programming thermostat, HT85 thermostat can freely choose the required heating temperature, HT80 and HT89 The weekly programmable thermostat can set the temperature at six times a day, seven days a week, and users can set suitable temperature control commands according to their usage habits. The function is that the thermostat compares the temperature required for different periods set by the user with the indoor temperature. If the indoor temperature is lower than the set temperature, the thermostat sends an opening command to the electric actuator, the heating circuit starts to circulate, and the heating starts. Otherwise, the electrothermal actuator is closed and the heating stops.

13. The thermostat needs power supply to provide electric energy.

14. The heating main return water pipe drains the heating return water back to the heating heat source. The heating main return water pipe generally adopts plastic pipes with a service life of more than 50 years. The heating main return water pipe and the water collector are connected by threaded joints. For connection, the heating main return water pipe is fixed on the ground and the floor with plastic pipe clamps. The function of this part is to discharge the heating return water collected by the water collector back to the heating heat source for reheating.

15. The thermal insulation board is laid directly on the ground and floor. The thickness of the thermal insulation board is selected according to the material of the ground and the floor. The thickness is 20-40mm (the thickness is 20mm for general residential buildings), and the flame-retardant type with a bulk density ≥ 20kg/m ³ As insulation material, polystyrene board or extruded board is often used. The function of the insulation board is to prevent the heat emitted by the heating pipe from being lost downwards, and to ensure the heat radiated to the upper part.

16. The reflective film is directly spread on the insulation board, and the reflective film is lapped. The function of the reflective film is to reflect the heat emitted by the heating pipe to the ground and to protect the finished product of the insulation board.

左右的冷拔钢丝。钢丝网的作用为固定供暖管和增加细(豆)石混凝土覆盖层的强度。17. The steel wire mesh is laid flat on the reflective film, and the steel wire mesh is fixed on the ground and the floor with steel nails, and steel wires are used to bind the steel nails and the steel wire mesh. If the ground and floor are covered with indestructible waterproof layer and other materials, the steel wire mesh shall be fixed by the steel wire connection between the steel wire mesh, and the temporary heavy objects shall be used as the mobile fixing system on the steel wire mesh. The fine (bean) stone concrete covering layer shall be removed during construction. The steel wire mesh generally adopts a grid of 150×150mm

Left and right cold drawn steel wires. The function of the wire mesh is to fix the heating pipe and increase the strength of the fine (bean) stone concrete covering.

18. Floor heating pipes are arranged on the steel wire mesh, and plastic cable ties are used to connect the floor heating pipes and the steel wire mesh. The function of the floor heating pipe is to radiate heating heat and provide the required heat for the building.

19. After the system is installed, conduct a system pressure test. The test pressure is 1.5 times the working pressure and not less than 6kg. The function of the pressure test is to detect the safety of the heating operation of the system.

20. After passing the pressure test, pound the fine (bean) stone concrete covering layer. The thickness of the fine (bean) concrete covering layer should be 30-60mm according to the ground decoration. The model of the fine (bean) concrete covering layer is ≥C15. The function of construction under pressure is to leave room for expansion of the floor heating pipe and to monitor the safety of the heating system during the process of pounding the fine (bean) stone concrete covering. The function of the fine (bean) concrete covering is to protect the heating pipe, store heat and Ensure the uniformity of floor heating.

21. After the construction of the fine (bean) concrete covering layer is completed and passed the inspection, according to the decoration arrangement, select the appropriate time and materials for the construction of the ground decoration layer. During the whole decoration process, system safety monitoring should be carried out on the ground heating system to prevent damage to the heating pipes and to ensure the safety of the heating system in later operation.

Compared with the prior art, the present invention has the following advantages and effects: 1. The best heating comfort with warm feet and cool head; 2. Effective energy saving of more than 50% (compared with the radiator heating method); 3. Each room (area) controlled separately; 4. Each control unit can control seven days a week and six time points a day; 5. The heating time can be preset; 6. The heating flow can be adjusted according to the heating load of each room (area); 7. Floor heating The pipeline has a long service life, ensuring that it can be used for more than 50 years; 8. Increase floor insulation and reduce floor noise; 9. Heat balance and stability; 10. Good thermal inertia; 11. Clean and hygienic; 12. Wide and flexible heat source selection.

Description of drawings

Figure 1 is a structural schematic diagram of an intelligent ground heating system

Figure 2 is a schematic diagram of an intelligent water collector and floor heating structure

Figure 3 is a schematic diagram of the installation of an intelligent manifold

Among them: 1- heating heat source, 2- heating main water supply pipe, 3- heating main water supply pipe threaded joint, 4- water separator, 5- flow regulating valve, 6- automatic exhaust and water discharge valve, 7- bracket, 8-Floor heating pipe water supply compression joint, 9-Floor heating pipe, 10-Floor heating pipe return water compression joint, 11-Water collector, 12-Electric actuator, 13-Heating main return water pipe threaded joint, 14-Heating Main return water pipe, 15-temperature control line, 16-thermostat, 17-power supply, 18-insulation board, 19-reflective film, 20-steel wire mesh, 21-fine (bean) stone concrete covering layer, 22-corrugated sleeve Pipe, 23-expansion bolts, 24-ground, floor, 25-wall.

Detailed ways

Below in conjunction with accompanying drawing, the present invention is described in further detail:

The system includes: heating source 1, heating main water supply pipe 2, heating main water supply pipe threaded joint joint 3, water separator 4, flow regulating valve 5, automatic exhaust and water discharge valve 6, bracket 7, floor heating pipe water supply compression Connector 8, floor heating pipe 9, floor heating pipe return water pressing joint 10, water collector 11, electric actuator 12, heating main return water pipe threaded joint 13, heating main return water pipe 14, temperature control line 15, thermostat 16, power supply 17, insulation board 18, reflective film 19, steel wire mesh 20, fine (bean) stone concrete covering layer 21, corrugated casing 22.

Among them: purchased products include: heating heat source 1 (gas wall-hung boiler 18CSI-35CSI, ground source central air-conditioning, central heating), temperature control line 15, power supply (220V strong electricity or 36V battery No. 5) 17, insulation board 18, steel wire mesh 20, fine (bean) stone concrete covering layer 21, corrugated casing 22.

The following products were purchased from Wuhan Hongtu Energy Saving Technology Co., Ltd. The products include: heating main water supply pipe 2, heating main water supply pipe threaded union joint 3, water separator 4 (type 1-8, existing products), flow regulating valve 5. Automatic exhaust and water discharge valve 6, bracket 7, floor heating pipe water supply compression joint 8, floor heating pipe 9, floor heating pipe return water compression joint 10, water collector 11 (type 1-8, existing products) , electric heating actuator 12 (model SEH40-NC, existing product), heating main return water pipe threaded union joint 13, heating main return water pipe 14, thermostat 16 (model: HT80, HT85 and HT89 type, existing product) , Reflective film 19.

An intelligent ground heating system, its connection relationship and functions are as follows:

1. The heating heat source 1 provides low-temperature hot water ≥ 30°C but ≤ 60°C, which is supplied to the water separator 4 through the main heating water supply pipe 2. The main heating water supply pipe 2 generally adopts plastic pipes with a service life of more than 50 years. The water supply pipe 2 and the water separator 4 are connected by a threaded joint 3 of a main heating water supply pipe, and the main heating water supply pipe 2 is fixed on the ground and the floor 24 by plastic pipe clamps. The heating heat source can generally choose high-quality energy such as: renewable energy geothermal, air conditioning waste heat hot water, natural gas boilers, air heat pump units, etc. to provide heating water. The heating system design adopts the design of small temperature difference, large flow, and low supply water temperature. The main heating water temperature is 30-55°C hot water, and the heating return water temperature is 10°C lower than the heating main supply water temperature. The function of this part is to provide heating hot water for the water separator.

2. The water separator 4 is distributed to the floor heating pipe 9 for heating and hot water as required, and the water separator 4 and the floor heating pipe 9 are connected by the water supply compression joint 8 of the floor heating pipe. According to the functional requirements of the building, 1-8 water distributors 4 can be selected. When there are more than 8 partitions, 2 or more sets of water distributors 4 can be selected to be connected in parallel. The function of the water separator 4 is to distribute and supply the heating hot water required by each area, and the function of the floor heating pipe 9 is to radiate heating heat to provide the required heat for the building.

3. The floor heating pipe 9 starts from the connection part with the water separator 4 and the water collector 11. When the pipe spacing of the floor heating pipe 9 is ≤100mm, a corrugated sleeve 22 is provided. The effect of corrugated casing is to play insulation effect, and protection fine (bean) stone concrete covering layer 21 cracks because of excessive temperature.

4. A flow regulating valve 5 is installed on each water diversion port of the water separator 4, and the water separator 4 and the flow regulating valve 5 are connected by threads. The function of the flow regulating valve 5 is to adjust the resistance of the water flow between the different floor heating pipes 9, so as to ensure the hydraulic balance in the heating pipes 9 in various places.

5. Install the flow regulating valve (5) on the water supply circuit, install the electrothermal actuator (12) on the return water circuit, the flow regulating valve (5) and the water distributor (4) and the electrothermal actuator (12) and the water collector ( 11) The connections are all threaded connections. The end of the water separator 4 is equipped with an automatic exhaust water discharge valve 6, and the water separator 4 and the automatic exhaust water discharge valve 6 are threaded. The effect of automatic exhaust water unloading valve 6 is to discharge the air in the water distributor and unload water when needing to get rid of heating water.

6. The water separator 4 is installed on the support 7, and the water separator 4 and the support 7 are connected by pipe hoops. The function of the support is to fix the water separator 4 and the water collector 11.

7. The bracket 7 is fixed on the wall 25, and the bracket 7 and the wall 25 are fixed with expansion bolts 23.

8. The heating water in the floor heating pipe 9 returns to the water collector 11 after being circulated on the ground, and the floor heating pipe 9 and the water collector 11 are connected by the water return compression joint 10 of the floor heating pipe. The function of the water collector 11 is to collect the return water in each heating pipe 9 .

9. The heating water in the water collector 11 is concentrated and then discharged back into the main heating return pipe 14, and the water collector 11 and the main heating return pipe 14 are connected by threaded joints 13 of the main heating return pipe.

10. An electrothermal actuator 12 is installed on each water collecting port of the water collector 11, and the water collector 11 and the electrothermal actuator 12 are connected by threads. The function of the electrothermal actuator 12 is to turn on/off the heating water in the heating pipe 9 .

11. The water collector 11 is installed on the bracket 7, and the water collector 11 and the bracket 7 are connected by pipe collars. The function of the support is to fix the water separator 4 and the water collector 11.

12. The electrothermal actuator 12 and the temperature controller 16 are connected by a temperature control line 15 . (The electrothermal actuator 12 is connected with the temperature controller 16 through the temperature control line 15). Thermostat 16 can choose HT85 electronic thermostat, HT80 LCD weekly programming thermostat or HT89 LCD touch screen weekly programming thermostat, HT85 thermostat can freely choose the required heating temperature, HT80 and HT89 The weekly programmable thermostat can set the temperature at six times a day, seven days a week, and users can set suitable temperature control commands according to usage habits. The function is that the thermostat 16 compares the temperature required for different periods of time set by the user with the indoor temperature. If the indoor temperature is lower than the set temperature, the thermostat 16 sends an opening command to the electric actuator 12, and the heating circuit starts to circulate. The heating starts, otherwise the electrothermal actuator 12 is closed, and the heating stops.

13. The temperature controller 16 needs the power supply 17 to provide electric energy.

14. The heating main return water pipe 14 discharges the heating return water back to the heating heat source 1. The heating main return water pipe 14 generally adopts plastic pipes with a service life of more than 50 years. The water pipe is threadedly connected to the union 13 for connection, and the heating main return water pipe 14 is fixed on the ground and the floor 24 by plastic pipe clamps. The function of this part is to discharge the heating return water collected by the water collector back to the heating heat source for reheating.

15. The water distributor (4) and the water collector (11) are connected with the bracket (7) by pipe hoops, the bracket (7) is fixed on the wall (25), and the fixing of the bracket (7) and the wall (25) Use expansion bolts (23) to fix. The thermal insulation board 18 is directly tiled on the ground and the floor 24. The thickness of the thermal insulation board 18 is selected according to the material situation of the ground and the floor 24. The thickness is 20-40mm (the thickness of the general house is 20mm), and the ^resistance of the bulk density ≥ 20kg/m Combustible insulation materials, polystyrene board or extruded board are often used. The effect of insulation board 18 is to prevent the heat that heating pipe 9 distributes from losing downwards, and guarantees the heat of radiating heating to the top.

16. Lay reflective film 19 on thermal insulation board 18, reflective film 19 is directly laid on thermal insulation 18, and the mode of overlapping is adopted between reflective film 19. The effect of reflective film 19 is to reflect the heat emitted by heating pipe 9 to the ground and to protect the finished product of insulation board 18 .

左右的冷拔钢丝。钢丝网20的作用为固定供暖管9和增加细(豆)石混凝土覆盖层21的强度。17. The steel wire mesh 20 is tiled on the reflection film 19, and the steel wire mesh 20 is fixed on the ground and the floor slab 24 with steel nails, and steel wires are used for binding between the steel nails and the steel wire mesh 20. If materials such as an indestructible waterproof layer are laid on the ground and the floor slab 24, the steel wire mesh 20 is fixed by using steel wires between the steel mesh 20 to connect and fix, and temporary heavy objects are used as the mobile fixing system on the steel mesh 20. The mobile fixing system Remove during construction of the fine (bean) stone concrete overlay 21 on the ground heating top. The steel wire mesh 20 generally adopts a grid of 150×150mm

Left and right cold drawn steel wires. The effect of steel wire mesh 20 is to fix heating pipe 9 and increase the intensity of fine (bean) stone concrete covering layer 21.

18. The floor heating pipes 9 are arranged above the steel mesh 20, and the floor heating pipes 9 and the steel mesh 20 are connected by plastic cable ties. The effect of the floor heating pipe 9 is to radiate heating heat to provide the required heat for the building.

19. After the system is installed, conduct a system pressure test. The test pressure is 1.5 times the working pressure and not less than 6kg. The function of the pressure test is to detect the safety of the heating operation of the system.

20. After passing the pressure test, pound the fine (bean) stone concrete covering layer 21. The thickness of the fine (bean) concrete covering layer 21 is 30-60mm according to the ground decoration situation. The model of the fine (bean) concrete covering layer 21 is ≥C15. The effect of the construction under pressure is to reserve expansion space for the floor heating pipe 9 and to monitor the safety of the heating system in the process of pounding the fine (bean) stone concrete covering layer 21, and the effect of the fine (bean) concrete covering layer 21 is to protect the heating pipe 9 , Store heat and ensure the uniformity of ground heating.

21. After the construction of the fine (bean) concrete covering layer 21 is completed and passed the inspection, according to the decoration arrangement, select the appropriate time and materials for the construction of the ground decoration layer. During the whole decoration process, system safety monitoring should be carried out on the ground heating system to prevent damage to the heating pipe 9, and to ensure the safety of the heating system in the later operation.

Claims (8)

1. intelligent ground heating system, it comprises heating source (1), heating main-supply (2), water knockout drum (4), automatic vent unloads water valve (6), floor heating pipe (9), water collector (11), electric heating actuator (12), warming plate (18), reflectance coating (19), steel wire (20) is characterized in that: heating source (1) is connected with heating main water return tube (14) with heating main-supply (2); Heating main-supply (2) and water knockout drum (4) are connected by the articulation (3) that is threaded of heating main-supply; Water knockout drum (4) unloads water valve (6), support (7) and floor heating pipe (9) with flow control valve (5), automatic vent respectively and is connected, and floor heating pipe (9) is connected with water collector (11) by floor heating pipe backwater pressed joint (10); Water collector (11) unloads water valve (6), support (7) and heating main water return tube (14) with electric heating actuator (12), automatic vent respectively and is connected, and electric heating actuator (12) is connected with temperature control line (15); Temperature control line (15) is connected with temperature controller (16); Temperature controller (16) external power supply (17); Heating main-supply (2) is connected with heating source (1), heating main water return tube (14) is connected with heating source (1), heating main-supply (2) and heating main water return tube (14) and warming plate (18) directly are tiled on ground, the floor (24), reflectance coating (19) is laid on the warming plate (18), steel wire (20) is tiled on the reflectance coating (19), floor heating pipe (9) is laid on the steel wire (20), and pea gravel concreten cover layer (21) is cast on reflectance coating (19) and floor heating pipe (9) and the corrugated bushing (22).

2. a kind of intelligent ground heating system according to claim 1 is characterized in that: described going up at warming plate (18) laid reflectance coating (19), and reflectance coating (19) is laid immediately on the warming plate (18), takes overlap joint between the reflectance coating (19).

3. a kind of intelligent ground heating system according to claim 1 is characterized in that: described electric heating actuator (12) adopts temperature control line (15) to be connected with temperature controller (16).

4. a kind of intelligent ground heating system according to claim 1, it is characterized in that: flow control valve (5) is installed on the described water supply loop, electric heating actuator (12) is installed on the water return loop, and being connected all to adopt of flow control valve (5) and water knockout drum (4) and electric heating actuator (12) and water collector (11) is threaded.

5. a kind of intelligent ground heating system according to claim 1, it is characterized in that: described water knockout drum (4) adopts pipe collar to be connected with water collector (11) and support (7), support (7) is fixed on the body of wall (25), and support (7) is fixing with the fixedly employing expansion bolt (23) of body of wall (25).

6. a kind of intelligent ground heating system according to claim 1, it is characterized in that: described steel wire (20) is tiled on the reflectance coating (19), steel wire (20) is fixed on ground, the floor (24) with steel nail, adopts the steel wire bind between steel nail and the steel wire (20).

7. a kind of intelligent ground heating system according to claim 1 is characterized in that: described water knockout drum (4) is to be connected by floor heating pipe water supply pressed joint (8) with floor heating pipe (9).

8. a kind of intelligent ground heating system according to claim 1 is characterized in that: described water collector (11) and heating main water return tube (14) are to be connected by the articulation (13) that is threaded of heating main water return tube.

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