System of reverse water supply with heat exchangers

FIELD: heat engineering.

SUBSTANCE: invention can be used in power saving reverse water supply systems. The system of reverse water supply with heat exchangers includes cooled technological equipment connected with two parallel systems of pipelines with heat exchangers. At this the first system is represented by pipelines supplying water heated in the technological equipment to cooling in the heat exchangers. The second system is represented by pipelines supplying water cooled by heat exchangers to technological equipment. The system of heat exchangers includes at least two series-connected heat exchangers. The first is connected by pipelines to heat source and to system supplying water to hot water supply. The second heat exchanger where the cooling of water heated in the technological equipment is executed is connected to main water pipeline and connected through the pump to the system of pipelines supplying cooled water back to technological equipment.

EFFECT: increased capacity of the system.

1 dwg, 1 dwg

 

The invention relates to energy-saving circulating water supply systems.

The closest technical solution to the declared object is a system of evaporative cooling of water as the USSR №435442, C02B 1/10 from 04.07.72, containing the cooled process equipment associated with the pipeline system with heat exchangers (prototype).

The disadvantage of this method is the relatively low efficiency because of the low degree of the fluid spray nozzles and economiccost because of overconsumption of water.

The technical result - improving the performance of the system.

This is achieved by the fact that in the recirculating water system with heat exchangers containing a cooled process equipment associated with the pipeline system with heat exchangers, has cooled process equipment, United two parallel piping systems: the first system - pipes heated in the process equipment cooling water in heat exchangers; the second system - the pipes are cooled in heat exchangers water process equipment, and also contains a system of series-connected heat exchangers, comprising at least two heat exchanger: p the pout - the heat exchanger, heated tap water, the second heat exchanger, which cools the heated process equipment water, with the heat exchanger, heated tap water, connected by pipeline to the heat source, and a pipeline system that supplies water for hot water and the heat exchanger, which cools the heated process equipment water connected to the main water pipeline and through the pump is connected with the piping system supplying cooled in heat exchangers water process equipment, and also connected to the piping system, the feed is heated in the process equipment cooling water exchangers.

The drawing shows a diagram of the circulating water cooling system with heat exchangers.

The circulating water system with heat exchangers includes a cooled process equipment 1, United two parallel piping systems: the first system piping 2, the feed is heated in the process equipment cooling water in heat exchangers; a second system - piping 9 supplying cooled in heat exchangers water for technological equipment 1.

System members is consequently connected heat exchangers includes, at least two heat exchanger: the heat exchanger 5, heated tap water, the second heat exchanger 6, which is cooling the heated process equipment 1 water. The heat exchanger 5, heated tap water, connected by a pipe 3 to the heat source, and a pipe 4 to the system, the water inlet to hot water. The heat exchanger 6 in which the cooling of the heated process equipment 1 water connected to the main water pipe 7 and through the pump 8 is connected with the piping system 9 supplying cooled in heat exchangers 5 and 6 water processing equipment 1, and also connected to the system piping 2, the feed is heated in the process equipment cooling water in heat exchangers 5 and 6.

The circulating water system with a heat exchange apparatus operates as follows.

For cooling reverse cycle apply heat exchangers 5 and 6, in which the heat of the cooling water is recycled and added to other fluids from the boiler or district heating. The heat exchanger 5 heats tap water and the heat exchanger 6 carries out the cooling of the heated process equipment 1 water. The heat exchanger 5, the heated water is, connected pipeline 3 to the heat source, and a pipe 4 to the system, the water inlet to hot water. The heat exchanger 6 in which the cooling of the heated process equipment 1 water connected to the main water pipe 7 and through the pump 8 is connected with the piping system 9 supplying cooled in the heat exchanger units 5 and 6 water processing equipment 1, and also connected to the system piping 2, the feed is heated in the process equipment cooling water in heat exchangers 5 and 6.

The flow of water in the circulating water can be reduced by 20 times or more.

The circulating water system with heat exchangers containing a cooled process equipment associated with the pipeline system with heat exchangers, characterized in that it includes a cooled process equipment, United two parallel piping systems: the first system - pipes heated in the process equipment cooling water in heat exchangers; the second system - the pipes are cooled in heat exchangers water process equipment, and also contains a system of series-connected heat exchangers, comprising at least two heat is bennich apparatus: the first the heat exchanger, heated tap water, the second heat exchanger, which cools the heated process equipment water, with the heat exchanger, heated tap water, connected by pipeline to the heat source and the piping system, water inlet for hot water and the heat exchanger, which cools the heated process equipment water connected to the main water pipeline and through the pump is connected with the piping system supplying cooled in heat exchangers water process equipment, and also connected to the piping system, the feed is heated in the process equipment cooling water exchangers.



 

Same patents:

FIELD: machine building.

SUBSTANCE: martensite turbine machine consists of several pulleys and of enveloping them circular heat sensitive element in form of cylinder wire spiral of alloy with shape memory effect. One pulley is located in a zone of realisation in a heat sensitive element of austenite transformation, while another pulley - of martensite transformation. The said zones are made in form of reservoirs at least partially filled with hot and cold liquid. The machine additionally contains a zone of heat regeneration located in the direction of transfer of the heat sensitive element between the zones of realisation of austenite and martensite transformations. The machine additionally has a drive connected to at least part of pulleys. The heat sensitive element is made of alloy possessing effect of super-conductivity, for example, of titanium nickelide. Temperature of completion of austenite transformation of the said alloy is below temperature at any of the said zones.

EFFECT: raised power efficiency of martensite turbine machine.

3 dwg

FIELD: electricity.

SUBSTANCE: invention relates to the field of electric engineering and may be used for industrial, agricultural and domestic needs. In proposed heat-generating electromechanical converter intended for heating and/or movement of liquid or gaseous medium, an additional heat-insulating element is used from antifriction non-electroconductive material, serving as radial and/or thrust sliding bearing, making a whole with magnetic conductor and primary converter winding. At the same time specified additional heat insulating element consists of polymer composite material on the basis of epoxide-diane resin with filler from fluoroplastic-4 powder and chipped glass fibre at a certain weight ratio of listed components.

EFFECT: reduction of mechanical losses for friction and increase of efficiency by reduction of friction ratio between movable and fixed parts of heat generating electromechanical converter without deterioration of strength characteristics of specified additional part.

3 dwg

FIELD: power industry.

SUBSTANCE: combined electric energy, heat and cold generation method involves compression of atmospheric air and/or fuel with further being burnt in combustion chamber and conversion of heat of combustion products to mechanical energy by means of heat engine, conversion of mechanical energy to electric in electric generator, supply of some part of heat energy removed from heat engine to be converted in absorption cooling machine to cold energy. Some part of heat energy removed from heat engine is used for heat supply to consumers. Heat energy converted in absorption cooling machine to cold energy is used for cold supply to consumers. If excess cold energy appears during partial loading of absorption cooling machine, it is used for cooling of atmospheric air prior to compression.

EFFECT: increasing efficiency and electric power of the unit owing to using free capacity of cooling machine.

1 dwg

FIELD: machine building.

SUBSTANCE: transport refrigerating system consists of generator combined with driven engine; generator of this system is cooled by oil circulation via winding of stator and rotor thus forming refrigerating system insulated from environment and capable to increase efficiency of refrigerating. According to one of versions the engine oil circulation system is combined with the generator so as to simultaneously facilitate cooling of generator. In other versions oil is totally contained inside the generator and its circulation is achieved by various methods, for example by pressurising and spraying, with oil deflector and by complete immersion.

EFFECT: raised efficiency of cooling transport refrigerating system.

26 cl, 6 dwg

FIELD: heating.

SUBSTANCE: heat source unit of cooling system includes circuit (12) of heat source. Circuit (12) includes the first gas port (31) continuously interconnected with delivery side of compressor (14), the second gas port (32) continuously interconnected with suction side of compressor (14), the third gas port (33) selectively interconnected with one of the first gas line (25) and the second gas line (26), liquid port (34) continuously interconnected with the end of liquid inlet/outlet of heat exchanger (15) of heat source, the first switching mechanism (17) which switches over the state of interconnection of the end of liquid inlet/outlet of heat exchanger (15) of heat source, and the second switching mechanism (18) which switches over the state of interconnection of the third gas line (27). Cooling system includes unit (10) of heat source of system (5) and unit (7) of heat consumption, which has circuit (8) of heat consumption, which includes pressure reducing mechanism (41) and heat consumption heat exchanger (40). Circuit (9) of cooling agent has been created with the connection of the third gas port (33) of circuit (12) of unit (10) of heat source and the gas inlet/outlet end of heat consumption circuit (8) and as the connection of liquid port (34) of circuit (12) and the liquid inlet/outlet end of heat consumption circuit (8).

EFFECT: possibility of using auxiliary heat exchanger both in cooling and heating modes.

5 cl, 16 dwg

FIELD: heating systems.

SUBSTANCE: plant is intended mainly for operation in small populated areas, field conditions and transport vehicles. Plant includes compressor with a drive, turbine expansion engine, heat exchanger, room, which are connected via main lines with valves. In addition, plant is equipped with electric generator, ejector, control and breather, where electric generator is connected kinematically to turbine expansion engine. Outlet of compressor is connected through main lines with valves to turbine expansion engine inlet before or through heat exchanger. Turbine expansion engine outlet is connected to inlet of high-head part of ejector, the outlet of which is connected to the room. Inlet of low-head ejector part is connected to atmosphere through the control. Room has two outlets; one outlet is connected to compressor inlet, and the other one - through breather to atmosphere.

EFFECT: use of invention will allow providing high economy during manufacture and operation of the plant.

6 cl, 2 dwg

FIELD: personal demand items.

SUBSTANCE: refrigerator-economiser (RE) is a double-purpose thermal converter in which a domestic refrigerator with a cooling unit and a control unit is the base unit. The first and the second circulation circuits of intermediate heat carrier (IHC) consist of internal segments located inside RE, and external segments located outside RE can be attached to them by means of inlet/outlet connection pipes. In RE housing there made are internal segments of the above two circulation circuits of intermediate heat carrier, which include an additional evaporator and an additional condenser, hydraulic automation elements of the first and the second circuits with piping, switching devices of the first and the second circulation circuits of IHC in order to directly supply the heat from external source to external receiver without using the cooling unit, and connecting pipelines. At the inlets of the first and the second internal segments of circulation circuits of IHC there located are IHC temperature sensors connected with communication channels to the control unit. Communication channels of the control unit with inlet/outlet connectors provided in RE housing are made with the possibility of being attached to the above connectors of RE communication channels with actuating and measuring automation devices in external segments of IHC circulation circuits.

EFFECT: enlarging the number of equipment utilising and using waste energy, environmental energy resources, saving the fuel resources consumed for hot water supply, heat supply, and as a result, reducing CO2 emissions.

9 dwg, 2 tbl

FIELD: heating.

SUBSTANCE: invention refers to heating engineering and cooling systems and can be implemented for maintaining temperature mode in premises. The installation consists of a heat exchanger coupled with a source-receiver of heat power along heat flow, of a heat releasing and heat receiving pipeline secured to surface or passing in a body of one or several heat releasing or heat receiving panels, of a pumping device facilitating circulation of working agent from the heat exchanger to the heat releasing and heat receiving pipeline and back, and of connecting them pipelines, which as a whole form closed circulating system. The circulating system is equipped with additional heat exchangers coupled along heat flow with the same or another source/receiver of heat power as the main heat exchanger of the system is coupled and successively communicated with heat releasing/ heat receiving pipelines secured to surface or passing in the body of heat releasing/heat receiving panels. Shape and dimensions of heat releasing/heat receiving pipeline provide transfer of steam-liquid mixture along the pipeline in a mode, wherein portions of liquid transfer along the pipeline together with vapour locks without forming dead spaces of liquid.

EFFECT: uniform temperature of heating/cooling panels.

7 cl, 2 dwg

FIELD: heating systems.

SUBSTANCE: invention refers to room cooling systems, and namely to radiant cooling systems, and can be used for keeping temperature conditions in private houses and at production facilities. Panel of radiant panel cooling device consists of a closed circulation circuit filled with working medium in the form of liquid and its vapours, in which there is a section having thermal contact to the cooling panel surface, a section interconnected with the above section, which has thermal contact to the cooling plant, and a section interconnected with the above sections, which has thermal contact to cyclic heating device of the section up to temperature exceeding the temperature of the rest of the sections, and cyclic cooling device of the section to temperature not exceeding the temperature of the rest of the sections of circulation circuit. System of valves mainly provides single-direction movement of working medium via circulation circuit.

EFFECT: providing uniform temperature of cooling panels.

16 cl, 3 dwg

FIELD: heating systems, fuel.

SUBSTANCE: diesel fuel pre-heating device refers to heat engineering, and namely to heat generators, and can be used in diesel motors of transport vehicles and power plants. Fluid heating device consists of a housing having an inner shell and an outer shell, inlet connection, pump, means intended for supplying and swirling the fluid flow from inner shell into the outer one, outlet connection, and swirlers located in inner shell. Inner and outer shells of housing are located coaxially relative to each other and made in the form of conic surfaces with installed leakproof bases, which are opposite directed and connected with their tops. Cavity formed by inner shell serves as a fluid flow accelerator, and the means intended for supplying and swirling the fluid flow is located before one of the bases and made in the form of a projection on a sector not less than 1/3 of diameter of inner shell cone end, whereto a cone-shaped inlet connection is installed tangentially relative to conic surface in the specified direction of fluid rotation during maximum approaching the opposite base.

EFFECT: invention improves diesel fuel heating efficiency, reduces power consumption, and enhances functional capabilities by pre-heating the diesel fuel.

5 cl, 2 dwg

FIELD: combined cooling and refrigeration systems.

SUBSTANCE: method comprises expanding air in the turbine up to a low temperature, heating air in the first heat exchanger with utilized heat, compressing air to the initial pressure in the compressor, withdrawing heat in the second feeding heat exchanger, and supplying compressed dry air to the receiver where the air is heated.

EFFECT: enhanced efficiency.

4 dwg

FIELD: air-conditioning and plenum-exhaust ventilation systems.

SUBSTANCE: proposed air-conditioning unit has three-section housing consisting of two peripheral sections and one central section located between them; it has two opposing suction ports for delivery of air to sections; each peripheral section has one delivery port for connection with respective fan and evacuation of air from peripheral sections where compressor and condenser are located; air-conditioning unit is also provided with evaporator of refrigerating machine and shut-off valve connected with central section and located between pair of ports; valve is made in form of plate and is used for control of air flow; this plate is mounted in central section between opposing suction ports; it is turnable relative to central section for disconnection of opposing suction ports and peripheral sections; each peripheral section is connected with respective opposing suction port, thus admitting the air to peripheral sections.

EFFECT: enhanced energy efficiency and operational reliability; facilitated procedure of assembly.

24 cl, 13 dwg

Heater for fluid // 2255267

FIELD: pipe-line systems.

SUBSTANCE: heater for fluid has housings of hydrodynamic converters which are made of diverging members at the ends of the vortex pipe. The inner side of the members is concave and is mating to the surface which is defined by the rotation of a second order curve around the longitudinal axis of the vortex pipe. Each face of the vortex pipe is provided with the flow generator which is mounted with a space relation to it. The flow generator is made of a disk whose symmetry axis is coaxial to the longitudinal axis of the vortex pipe. The space between the face of the vortex pipe and the surface of the flow generator, which faces it, receives at least four flow deflectors. Each flow deflector is made of a plate whose surface is parallel to the longitudinal axis of the vortex pipe. The inner side of the adjusting chambers is concave and mating to the surface which is defined by rotation of a second order curve around the longitudinal axis of the vortex pipe.

EFFECT: enhanced efficiency .

3 cl, 4 dwg

FIELD: heating and cooling systems.

SUBSTANCE: invention relates to heating of buildings and cooling of refrigerating chambers using high-pressure gases, for instance, natural gas. Proposed system contains vortex tube installed on gas main line after preliminary gas preparation plant, heating system and hot-water supply system with heating devices, heat exchanger and pump, and also cold supply system with coil in refrigerating chamber and pump. All components of systems are coupled by straight and back pipelines. Coils interconnected by jumper pipe are arranged from outer of vortex chamber and heated gas outlet pipeline of vortex tube. Segments displaced relative to each other through one turn of coil mounted on said segments are arranged on inner surface of pipeline of heated gas outlet at opposite sides. Coil is connected with outer coils and straight pipeline of heating and hot-water supply systems provided with controller connected electrically by impulse lines with inner and outer air temperature sensors and actuating mechanism rigidly coupled through shaft with control element installed at outlet of heated gas of vortex tube. Coil placed inside cooled gas outlet branch pipe communicates hydraulically with pump and, through straight pipe line, with coil of refrigerating chamber.

EFFECT: improved environment protection.

3 dwg

FIELD: energy conversion into heat by liquid parameter change, particularly to obtain heat used in raw hydrocarbon gathering, preparation and refining, in chemistry and oil chemistry, to heat hydrogen-containing liquid polluted with mechanical injuries, salt and gels.

SUBSTANCE: method involves creating vortex flow of cavitating liquid by utilizing liquid pressure and providing following linear liquid flow; providing cavitating liquid flow rotation at speed which provides creation of central and peripheral areas in which positive and negative ions of dissociated liquid molecules are accumulated during cavitation thereof. The negative ions are gathered in peripheral area under the action of centrifugal force. Positive ions having lesser mass are accumulated in central area of liquid flow. This results in obtaining potential difference between central and peripheral areas of liquid flow.

EFFECT: increased efficiency of liquid flow energy conversion into heat along with electric power obtaining.

3 cl, 2 dwg

FIELD: engineering of steam compression systems and heat exchangers.

SUBSTANCE: reversible steam compression system has compressor, internal heat exchanger, expanding device and external heat exchanger, connected by pipelines in working connection for forming of a single system. Internal and external heat exchangers are mounted in main contour. Compressor and expanding device are mounted in sub-contours, connected to main contour by means of flow switch devices for making it possible to switch system from cooling mode to heating mode. Reversible heat exchanger for liquid coolant, in particular, for carbon dioxide, in steam compression system contains several mutually interconnected sections, made with possible serial passage of air through them, having coolant contour, and is connected to mutually connected first and second sections. Flow of liquid coolant is witched from heating mode to cooling mode by means of flow switching devices, mounted in appropriate sections.

EFFECT: improved efficiency.

2 cl, 46 dwg

FIELD: power engineering.

SUBSTANCE: proposed device is designed for converting kinetic energy of water flow into and thermal energy. Proposed station contains dam, conduit system, hydraulic turbines and electric generators. It includes at least one swirl heat generator whose injection branch pipe is furnished with water pressure transmitter and is connected with conduit system through adapter provided with water pressure regulator made, for instance, in form of shutter whose drive is connected with water pressure transmitter.

EFFECT: possibility of generation heat energy for consumers in addition to electric energy.

1 dwg

FIELD: heat engineering, in particular, used gas heat utilizing equipment.

SUBSTANCE: apparatus has heat carrier circulation contour comprising contact economizer with used drying agent inlet branch pipe and cooled used drying agent outlet branch pipe, heat pump comprising compressor, condenser, throttle and evaporator connected to circulation contour upstream of contact economizer. Tubular heat-exchanger is positioned upstream of contact economizer. Influx air is heated in tubular heat-exchanger and is then supplied into convective drier.

EFFECT: increased economy of used drying agent heat utilizing apparatus owing to reduced consumption of power for driving of heat pump compressor and more complete utilization of used drying agent heat owing to preliminary cooling of drying agent to saturation state.

1 dwg

FIELD: methods for exposure to the flow of liquid medium, applicable in hydrodynamics, mainly in heat-exchange and mass-transfer apparatuses.

SUBSTANCE: the method consists in formation of the primary flow of fluid working medium, formation is accomplished outside the space region of the heat generator, a translational motion is imparted to the primary flow, an external disturbance is applied to the flow of fluid working medium inside the space of the heat generator, the secondary flows of fluid working medium are formed, and the flow of fluid working medium is removed in the direction of the outflow, the primary flow is formed in a pipe-line, whose diameter equals the diameter of the inlet pipe connection of the heat generator and is within 50 to 120 mm, the flow has characteristics of a laminar rectilinear flow, a rotary-translational motion is imparted to it at a rate provided by the pressure in the pipe-line within 3 to 140 atm. The device for liberation of energy has a vortex tube, hydrodynamic converters of liquid medium motion made in the form of cones at the ends of the vortex tube, a flow shaper whose axis of symmetry is aligned with the longitudinal axis of the vortex tube, and a flow dissector made in the form of a plate whose surface is parallel with the longitudinal axis of the vortex tube, the vortex tube is made with helical ducts on the inner wall of the cylindrical part of an elastic laminated plastic and is provided with a metal casing enveloping with a clearance the outer surface of the vortex tube.

EFFECT: enhanced efficiency.

7 cl, 3 dwg

FIELD: cooling-heating devices.

SUBSTANCE: the method consists in acceleration of gas to the supersonic speed in a contoured nozzle, delivery of it to a tube and extraction of cold from the tube outer surface. The gas is subjected to overspeeding on spiral guides located inside the tube, then cold is extracted from the tube outer surface and then heat is extracted from the stagnant flow at the tube outlet. The cooling-heating device has a tube made of a heat-conducting material, and a contoured nozzle. A spindle-shaped insert is positioned in the tube axis, spiral guides are located on the insert surface.

EFFECT: enhanced efficiency.

4 cl, 4 dwg

Up!