Water heating system
(57) Abstract:The system is designed for heating of buildings and structures. Water heating system includes supply and return risers with a heating device and a heat exchanger connected to a heat network, before the heat exchanger along the network of water has a pressure transducer that converts the pressure of the circulating water in the water heating circuit. The technical result is to increase the water pressure in the heating circuit of the heat consumer. 1 Il. The invention relates to heating systems and can be used for heating of buildings and structures.Known water heating system, containing the supply and return risers with space heaters and heat exchangers connected to a heat network /auth.St. THE USSR 625101, F 24 D 3/00, 1978 /.A disadvantage of the known heating system - limited service area/ small possible the length of the heating network/ in connection with small disposable pressure, caused by the temperature difference between the water supply and return risers.Known water heating system, containing the supply and return risers with heating when devotional scheme, and the reverse struts connected to the lower part of the heat exchanger tangentially /auth.St. THE USSR 629407, F 24 D 3/00, 1978/.The disadvantage of this system is the limited service area of heat consumers connected with slight pressure, resulting in a system that is determined only by the temperature difference in supply and return risers.The objective of the invention is the increase of the pressure drop in the system.The technical result - the expansion of the service area of heat consumers.To do this, the water heating system containing the supply and return risers with a heating device and a heat exchanger connected to a heat network, before the heat exchanger along the network of water has a pressure transducer that converts the pressure of the circulating water in the water heating circuit.This construction of the water heating system allows you to run it longer, to intensify the movement of water in the heating system and, thereby, the operation of the heating devices.The invention is illustrated in the circuit diagram of the heating system. It includes the main riser with 1 expansion vessel 2, input 3 and 4 reverse struts with heating the priori Converter 7, converts the pressure of the circulating water in the water heating circuit.The pressure transducer 7, type "pipe" has an internal screw 8, is made of magnetic material (for example, of steel/ and located on the bearings 9 in the pipe 10, through which flows the water of the heating circuit, coming from the devices 5 on the reverse shaft 4 through the heat exchanger 6, the external screw 11, is made of magnetic material on a cylindrical contour 12, mounted in bearings 13 on the outside of the pipe 10 in the space between the pipe 10 and outer pipe 14, where flows the hot water network, coming in the pressure Converter 7 through the pipe 15.To the pipeline 16 mains water is connected following the heat consumer.The inventive heating system works as follows.Hot water network /her pressure substantially above the pressure drop occurring in the heating circuit of the subscriber due to the temperature difference of the water in the main and return poles/ pipe 5 is fed to the pressure /magnitometricheskoi/ a Converter 7, which serves to convert the pressure of the circulating water in the water heating circuit, where in the space between the tubes 10 and 14, inanaga torque starts to rotate the inner auger 8 in bearings 9, creating additional water pressure in the heating circuit, consisting of the main strut 1, the expansion vessel 2, input 3 and reverse riser 4, the heating devices 5.Chilled water heating circuit after heating devices 5 enters the heat exchanger 6 and podagricus through a network of water fed to the pressure transducer 7.This heating system will serve more extended systems, as compared to the prototype it provides better water pressure heating circuit, by increasing the speed of the water heating circuit will more effectively work space heaters. Water heating system, containing the supply and return risers with a heating device and a heat exchanger connected to a heat network, characterized in that before the heat exchanger along the network of water has a pressure transducer that converts the pressure of the circulating water in the water heating circuit.
FIELD: heat-power engineering; heat supply systems.
SUBSTANCE: proposed method includes delivery of heat-transfer agent to heat source-vortex tube for heating it followed by delivery of heat-transfer agent to consumer and return of its to heat source; heat-transfer agent delivered to consumer is divided in vortex tube into cold and hot flows via cold flow pipe line and hot flow pipe line, respectively. Heat from low-potential heat source is delivered to cold flow escaping from vortex tube.
EFFECT: enhanced economical efficiency due to utilization of low potential heat; enhanced ecological safety.
2 cl, 1 dwg
FIELD: power engineering.
SUBSTANCE: system has heat source - heat carrier heater, connected to vortex pipe, connected to heat consumer by feeding and backward pipeline of heat carrier. Into feeding pipeline of heat carrier pipeline of hot stream of heat carrier is connected, projecting from vortex pipe, and pipeline of cold flow of heat carrier outputted from vortex pipe is connected to suck-in branch pipe of heat carrier forcing pump, while cold flow of heat carrier passes through heat exchange device, into which heat carrier of outer source of low-potential heat is fed.
EFFECT: higher effectiveness.
1 cl, 1 dwg
FIELD: heat power engineering.
SUBSTANCE: system comprises heat source which is made of a heat-transfer agent blower connected with the vortex pipe and heat consumer through supplying and return pipeline for the heat-transfer agent. The pipeline for supplying the heat-transfer agent includes the interconnected pipelines for flowing hot and cold heat-transfer agent. The pipeline for cold flow includes a heat exchanger connected with the pipeline from the external source of the low-potential heat.
EFFECT: enhanced efficiency.
3 cl, 1 dwg
FIELD: heat power engineering.
SUBSTANCE: method comprises heating and forced circulation of heat-transfer agent with the use of a piston machine, heating the heat-transfer agent up to the steam condition with the pressure that provides rotation of the crankshaft with the use of electric pulses generated from the signals from the pickups of position of the crankshaft, and supplying the heated agent to the mixer and heating apparatus.
EFFECT: reduced cost and expanded functional capabilities.
5 cl, 2 dwg
FIELD: building, particularly floor members for underfloor heating/cooling systems.
SUBSTANCE: floor member comprises sheet with at least one groove, heat-conducting layer extending over one main sheet surface and along each groove side to form depression for heat-conducting wire receiving opened from top side thereof. Depression tightly encloses wire and passes over half of cross-sectional perimeter thereof. Upper wire side is flush with upper sheet surface or located below thereof. Sheet has thin foldable foil with thickness of less than 200 μm.
EFFECT: reduced floor member thickness, increased simplicity of floor member dimension selection by cutting foil inside the groove.
6 cl, 10 dwg
FIELD: power engineering, particularly urban heat-supplying systems.
SUBSTANCE: method involves heating heat-transfer medium in heat source; supplying thereof to heat consumer and returning heat-transfer medium in heat source. Vortex tube with heat-transfer medium pump is used as the heat source. Heat-transfer medium is divided inside vortex tube into hot and cold heat-transfer medium flows. Hot heat-transfer medium flow is supplied to consumer, cold one exiting vortex tube is returned to inlet pipe of the pump. Heat from remote low-potential heat source is applied to cold heat-transfer medium flow exiting the vortex tube.
EFFECT: increased economy due to low-potential heat utilization.
2 cl, 1 dwg
FIELD: heating systems; liquid heating systems.
SUBSTANCE: under-ceiling non-evaporating widening tank of heating system has solid casing in form of a canister with level-metering pipe, widening space communicating with heating system and air space separated hermetically from widening space by soft membrane. Air space communicates with environmental air. Membrane is made inform of air bag. Neck of bag is withdrawn out of neck of casing and is connected hermetically with the neck. Plug provided with air hole is tightly inserted into neck of casing. Plug is fastened by screwed cap provided with air hole which is not aligned with hole in plug. Method of detecting of slow leaking of water from heating system is based upon the fact that temperature graph of the system is built in summer without heating. For the purpose values of water level in level-metering pipe of the tank at steady temperature are put along abscissa and values room temperature are put along ordinate; received calibrated curve is subject to calibration. The graph is taken as averaged temperature calibration graph and steady values of outside temperature are drawn above corresponding values of level. When taking subsequent measurements, the averaged temperature is determined again and if the value of level get lower it is assumed that water loss takes place because of leakage or evaporation of water caused by disturbance in leak-proofness of the air bag.
EFFECT: simplified design of tank; better degree of protection of membrane.
2 cl, 1 dwg
FIELD: automatic control systems, namely controlling air temperature in rooms heated by means of open heat supply systems.
SUBSTANCE: apparatus is designed for controlling air temperature in room heated by means of open heat supply system having circuits of common and secondary circulation with direct and reverse main lines. Each circuit includes circulation pump with drive unit and revolution number regulator. Main line of pump of secondary circulation circuit is connected with outlet of pressure controller and main line of pump of common circulation circuit is connected with outlet of air temperature controller. Apparatus also includes pickup for detecting temperature of reverse heat transfer agent at outlet of heating system. Heat quantity meter is mounted at outlet of circulation pump of direct main line of common circulation. Flow rate meter of heat transfer agent is mounted at outlet of circulation pump of secondary circulation circuit.
EFFECT: enhanced effectiveness of apparatus, lowered flow rate of heat transfer agent of common circulation circuit at maximum use of energy potential of heat transfer agent and increased flow rate of heat transfer agent of additional circulation circuit, optimal heat consumption and electric energy cost in drive units of pumps.
1 cl, 1 dwg
FIELD: power engineering, in particular, centralized heat supplying systems.
SUBSTANCE: method includes heating grid water in grid heaters of heating energy plants, feeding hot water via feeding water main to heating and hot water providing systems, cooling of reversed grid water by heat pump plants, positioned at heat stations, returning of cooled water via reverse water main to grid heaters, while heat pump plant is made cascading with finalizing water loop, in upper branch of cascade, positioned at heat station, secondary heating of water of heating system is performed due to additional cooling of reverse water of heating system, by water loop of grid water and heating system upper and lower cascades of thermal pump plant is closed, and in lower branch of cascade, positioned at thermal power station, heating of cooled reversed grid water is performed due to heat of condensation of steam processed in turbine.
EFFECT: higher efficiency of heat power station and heat supplying grid, increased heat productiveness of heat supplying system.
1 cl, 1 ex, 1 dwg
FIELD: hot-water heating systems.
SUBSTANCE: apartment-by-apartment double-wound heating system has apartment entering unit, feeding and back pipelines connected to the unit, heating devices connected in series with feeding and then to back pipeline, air discharge unit. Apartment entering unit is connected with hydraulic mixing units through feeding and back pipelines. Any hydraulic mixing unit is connected with heating devices through top and lower branch pipes. In any hydraulic mixing unit, which has organ for letting heat-transfer agent through heating device and by-pass, part of heat-transfer agent passing through heating device is mixed with transit part of heat-transfer agent, which flows through by-pass of hydraulic mixing unit. Gas discharge unit is mounted at top part of heating devices at the opposite side of hydraulic mixing unit. Heat flow of heating device is controlled while hydraulic and thermal stability of heating system is kept to a certain limit. The system allows using radiator-type-heating devices.
EFFECT: ability of controlling heat flow of heating device; safe of heat energy.
1 cl, 1 dwg