Device for heating liquids
(57) Abstract:The device relates to a power system and can be used in heating systems and heating apparatus of the wide range of purposes. The device for heating the liquid contains a heat source with several accelerators fluid, a heat exchanger, a pump connected to the heat source through the discharge port, and a controller mounted on the pipe connecting the heat source to the heat exchanger. Part of the heat source includes a spatial distribution system, in parallel channels which are installed accelerators liquid, made with a different degree of reduction of flow area. For the distribution system downstream of the fluid installed flat grille, for example, in the form of a grid. The inner cavity of the heat generator in front of bars communicated with the surge tank. The technical result is the extension of the effective functioning of the device when the temperature and pressure in the heat. 4 C.p. f-crystals, 2 ill., table 1. The invention relates to a power system and can be used in heating systems and heating apparatus of the wide range of purposes.e or more series-connected working chamber. Each camera is mounted impellers of a centrifugal pump mounted on their periphery rotors, made in the form of perforated rings. In front of each rotor is fixed to the stator in the form of a perforated ring. Working chamber communicated with each other by means of diffusers (EN 5054064 C1, F 24 J 3/00, G 21 B 1/00, published 20.02.96).The principle of operation of the described device is based on the supply of the liquid working substance into the chamber, where he is under the influence of periodically varying pressure, resulting in the formation of cavitation bubbles. During the collapse of bubbles in a liquid, energy is released.The closest analogue of the invention is a device for heating the liquid containing the heat source, where the accelerator fluid, the working pump with electric drive provided with the heat source through the discharge port, and a heat exchanger associated with the heat source through a pipeline with a valve (EN 2045715, F 25 B 29/00, published 10.10.96).The known device has low heat dissipation efficiency in the conditions of changing temperature and pressure of the fluid in the closed circuit when changing external conditions. This device enough apnea.The invention is directed to extending the effective functioning of the device when the temperature and pressure in the boiler, thereby creating the conditions for maximum heat dissipation during device operation and, when the change in external factors. In addition, the task of ensuring the regulation of the process of heating the liquid in the device.These technical results are achieved due to the fact that the device for heating the liquid containing the heat source with the accelerator fluid, the heat exchanger, the pump actuator connected to the heat source through the discharge port, and a controller mounted on the pipe connecting the heat source heat exchanger according to the present invention in the composition of the heat source includes at least one additional accelerator fluid, spatial distribution system, in parallel channels which are installed accelerators liquid, made with a different degree of reduction of the bore, and a flat grid established for the distribution system downstream of the liquid, the internal cavity of the heat generator in front of the grating is in communication with the expansion e is inalas in the range from 1.6 to 10.As a flat grid, it is advisable to use a grid with total reduced cross-section not less than 0.6 from the bore cavity of the heat generator.It is desirable that at least one of the accelerators fluid differed in type from other accelerators included in the distribution system. In this case, two of the accelerator can be made in the form of Venturi tubes, and the other two in the form of cylindrical channels, in which the transversely installed pins.Hereinafter the invention is explained in the description of specific embodiments thereof and the accompanying drawings, which depict the following:In Fig. 1 shows a structural diagram of a device for heating the liquid.In Fig. 2 depicts the spatial distribution system with accelerators liquid.Information confirming the possibility of carrying out the invention.The device for heating the liquid contains heat 1 of cylindrical form, in which the spatial distribution system 2. The heat generator 1 is connected to the pressure tube 3 pump 4, which is driven by a motor 5. At the entrance to the pump 4 user 1 contains flat bars 8, through which the liquid flows to the heat exchanger 7. The inner cavity of the heat generator 1 in front of the flat bars 8 are connected hydraulically with vertically installed expansion tank 9 with detachable top flange. In four longitudinal channels of the system 2 has two accelerator fluid in the form of Venturi tubes 10 and two accelerator in the form of cylindrical channels with a transversely mounted pin 11.The operation of the device is as follows.First, the entire hydraulic circuit pour water through the tank 9 so that the volume of the expansion vessel remained an air cavity to be able to fill it with liquid when it is heated. After filling served voltage to the electric motor 5, the pump 4 starts to pump the working fluid, for example water, through the spatial distribution system 2 of the heat generator 1. The liquid in accelerators fluid accelerates to the occurrence of cavitation, and first in the accelerator, where the narrowing of the above. Other accelerators do not create at low temperature and pressure developed cavitation. Before flat bars 8 of the gas and partially steam bubbles rise in the surge eat the second grating 8. Before the bars 8 by turning the kinetic energy of the flow into potential energy of pressure is intense condensation of vapor in the bubble flow and separation of gas by raising the gas bubbles in the surge tank 9. When the device temperature and pressure increase, cavitation in accelerators with very limited moves in the jet, causing the flow of liquid through these accelerators is reduced and the accelerators with a lower degree of stenosis increases, they formed cavitation with individual bubbles that are most efficient from the standpoint of heat dissipation. Various forms of accelerators fluid contribute to the above effect.Targeted transfer heat generated from the same type of accelerators fluid, such as accelerators in the form of channels with pins 11, another type of accelerators, for example in the form of Venturi tubes 10, carried by the valve 6, which also allows you to coordinate the operation of the heat exchanger 7 with the heat generator 1.In the process, by heating the fluid expands, but when using the expansion vessel 9 cavitation continues in one of the applicable types of accelerators liquid.the high efficiency operation at different pressures and temperatures because of their individual characteristics to accelerate the liquid to the occurrence of cavitation, ensure stable heat dissipation, complement each other, and the whole device is in condition for effective functioning of any one or group of accelerators. Personality characteristics of accelerators is mainly determined by the degree of local reduction of the flow area in the range of 1.6. . .10. The lower bound is determined by the dispersal of the liquid to cavitation, and the upper limit pressure loss and prevents the formation of stable vapor-liquid stream without condensation and, consequently, without additional heat dissipation in the fluid. Install flat grating 8 allows you to raise the front of her static pressure bubbles of steam. To further increase the degree of condensation of steam and the separation of dissolved gas is provided through the use of surge capacity, coupled with the internal cavity of the cylindrical body of the heat generator 1 in front of the flat bars 8. Square bore flat grating 8, made for example in the form of a grid, is not less than 0.6 of the bore of the cylindrical body of the heat generator 1. This condition determines the ability to convert kinetic energy of the flow in p testing device for heating the liquid, which used water made according to the present invention, shown in the table (see the end of the description)
In the table the following symbols are used:
G - water flow rate; W is the electrical power supplied to the pump; tOS- the ambient temperature in the room; tTg- temperature water boiler; W is the heat capacity of the device; - heating time.The tests have shown high efficiency of the proposed method, which does not depend on the ambient temperature and time of heating. The conductivity of the device based on the patented invention is not less than 106cal/hThus, patent-pending device for heating the liquid improves the efficiency of heat dissipation during start-up the device and changing the pressure and temperature in the heat.Industrial applicability.A device for heating a liquid according to the present invention can be used in heat and power plants for various purposes, such as heating systems, domestic stand-alone installations, industrial is generator with accelerator fluid, the heat exchanger, the pump is electrically connected to the heat source through the discharge port, and a controller mounted on the pipe connecting the heat source heat exchanger, characterized in that the heat source includes at least one additional accelerator fluid, spatial distribution system, in parallel channels which are installed accelerators liquid, made with a different degree of reduction of the bore, and a flat grid established for the distribution system downstream of the liquid, while the inner cavity of the heat generator in front of bars communicated with the surge tank.2. The device under item 1, characterized in that the degree of reduction of the flow area of the various accelerators varies in the range from 1.6 to 10.3. The device under item 1, characterized in that as a flat grid is the grid with the total reduced cross-section not less than 0.6 from the bore cavity of the heat generator.4. The device under item 1, characterized in that at least one of the accelerators of the liquid is different in type from the other accelerators included in the distribution system.
FIELD: energy transformation.
SUBSTANCE: sun power plant intends for conversing solar energy to thermal energy for using thermal energy for domestic appliances. Hot water supply sun power plant has at least one solar battery made of thermal collectors in form heat-insulated flat box-shaped cases. Top flat light-transparent panels are disposed in perpendicular to direction of sun light. Light-transparent panels are disposed above membranes-absorbers which absorb solar radiation. Membranes-absorbers are provided with temperature transducers. Membranes-absorbers have parallel lateral metal pipes for liquid heat carrier. Pipes are connected together in any membrane-absorber by longitudinal tubular collectors. Collectors are connected together by branches in series through drive stop valves which are connected to pipeline of water discharge of warmed liquid heat carrier which is connected with top area of heat-accumulating container. Lower area of container is connected with longitudinal tubular collector of membrane-absorber of one of end heat collector by means pipeline for supplying cooled liquid heat carrier through circulation pump. Heat water supply and heating system heat exchangers are disposed at top area of heat-collecting container one above another. Heat exchangers are connected with central heating system pipeline and with pipeline for supplying warmed running water. Program electron unit of the plant is connected with temperature transducers of membranes-absorbers, which unit controls operation of thermal transducers, circulation pump electric motor and drives of stop valves. Sun power plant is provided with heat-proof heat-accumulating members that are disposed uniformly in lower area of heat-accumulating container. Heat-accumulating members are filled with liquid having positive solidification temperature. Program electron unit is provided with mechanisms for tracking perpendicularity of solar energy to surface of top light-transparent panels of thermal collectors. Heat-insulated flat box-shaped cases of collectors are made for rotation around horizontal axes disposed at two mutually perpendicular vertical planes. Any membrane-absorber is made in form of thin-walled metal plate with gofers which embrace parallel lateral metal pipes for liquid heat carrier. Space V of heat-insulated working cavity of heat-accumulating container exceeds total space Vtot of cavities of membranes-absorbers of heat collectors for liquid heat carrier, space V1 of hot water heat exchanger for domestic appliances, space V2 of heating system heat exchanger and total space Vh-am of heat-collecting member for 50-400, 100-120, 20-30 and 10-20 times correspondingly. Total area Stot of external surfaces of the heat exchangers is 3-8 times larger than areas Sm of top surfaces of rigid membranes-absorbers. Solidification temperature T of liquid which fills heat-proof heat-accumulating members equals to 35-600C.
EFFECT: improved efficiency of heating process; lower speed of heat carrier cooling.
7 cl, 3 dwg
FIELD: heat power engineering.
SUBSTANCE: hydrophysical cavitation heater comprises induction motor whose shaft is insulated from the hydrophysical cavitation heater by means of the heat insulating coupling. The blades of the cavitation member, shaft, and bearings are made of special materials.
EFFECT: enhanced efficiency.
SUBSTANCE: present invention pertains to power supply systems of buildings, with a structure closed on the periphery, with a courtyard covered by a cupola. The power supply system for stand alone buildings with a courtyard covered by a cupola, is provided with high- and low-temperature heat accumulators, energetically linked with exterior and interior alternative sources of energy (for example windmill, solar cells, solar collecting panels, isotope heat sources, low-temperature sources - air, ground, water etc.), as well as with users of heat and electrical energy in the stand alone building, generated by an electrical generator, powered by a controlled steam power installation with a steam generator, thermally linked with at least a high-temperature heat accumulator, steam engine and a condenser. At the centre of the courtyard of the building, there is a multi-channel pipe support with outlet channels for air from under the cupola and channels for inlet of air from the atmosphere, kinematically linked to the cupola and thermally linked with a heat exchange device, for example heat exchangers, heat pipes, heat pumps and a low-temperature heat accumulator, provided with an extra low-temperature section. The condenser of the steam power installation is thermally linked to this extra section at, for example below zero temperature on the Celsius scale, which, through the heat from the main heat pump, powered mainly by the steam power installation, is thermally linked with the primary section of the low-temperature heat accumulator.
EFFECT: increased efficiency of the power supply system of low-rise closed buildings, increase in light energy coming into the building and its conversion to electrical energy, increase in environmental friendliness of the power supply system and the interior of the building itself.
8 cl, 1 dwg
FIELD: power industry.
SUBSTANCE: general-purpose self-contained life support complex (GSLSC) consists of free power sources, converters of the above energy to electric energy, electric and heat energy accumulators, synchronisation device as to frequency, phase and voltage. Complex is made in the form of general-purpose set consisting of free energy sources, converters of the above energy to heat energy and to electric energy, backup energy sources, controlling, regulating and accumulating instruments and devices for engineering support systems of the buildings, in which various versions of design and completeness are provided, sources of free energy are doubled and equipped with wind-heat generator, hydraulic heat generator of rotary type, which contains turbine blade wheel of hydromechanical thermal power plant with water-lifting device, which in their turn are connected to electric generators. As reserve energy source there used is thermal power plant containing rotary-type heat generator and electric generator driven from internal combustion engine (gasoline, diesel or gas piston engine).
EFFECT: creation of economically reasonable and practically available complex for generation of heat and electric energy with changeable completeness for a certain consumer, which is general-purpose to be used in climatic, geological and other environmental conditions acting on the human life support, with possibility of quick development and start-up.
2 cl, 1 dwg
FIELD: power engineering.
SUBSTANCE: invention relates to autonomous life support systems (ALSS). The method characterised by installation of heating systems, the base of which is a high-voltage induction electric boiler, with installation of pipeline utilities from it to residential buildings or a tent town, differing by the fact that for power supply of the induction electric boiler they use a diesel generator, fuel to which is delivered with a cistern, some of generated electric energy of the diesel generator is distributed through utilities to residential buildings or the tent town, the coolant of the induction electric boiler is water delivered to the place of ALSS deployment by the cistern, besides, the induction electric boiler is arranged as comprising a circulating pump, through vertically installed tanks, every of which is insulated from each other by means of through ceramic insulators, to which voltage is supplied, and the inductor is represented by electrodes from stainless steel, which are installed inside each vertically installed tank as capable of submersion inside the tank at different depth.
EFFECT: possibility of mobile and efficient deployment of an ALSS for a long period of time, not requiring any start conditions, to provide the ALSS with heat, hot water and electric energy, making it possible to control heating capacity and not strict to selection of electrodes, which may be any steel pipes.
6 cl, 4 dwg
SUBSTANCE: invention is intended to maintain comfortable air parameters in low buildings, mainly in cattle farms. Solar heat and cold supply system includes south air duct made of material absorbing solar radiation and north air duct, located at respective building sides, heat collector, together with the building floor forming a subfloor air duct connected to the south air duct, and heat exchange and underground air ducts positioned one over the other below the heat collector, where heat exchange air duct is connected to the north air duct, and underground air duct is equipped with underground heat transfer pipes; the system features a vortex tube in the heat collector, vortex tube input connected to subfloor air duct, cold channel connected to transfer piece, and hot channel connected via heat collector to underground air duct; subfloor and underground air duct outputs are connected to cold channel of vortex tube where a filter is installed downstream of air duct connection point; south and north air ducts are opened to ambient air, and heat exchange air duct is opened to indoor space; special feature of the system is the underground air duct made of composite material including metal base, heat insulation and heat accumulation thin-fibre basalt and waterproof layer, where thin-fibre basalt is stretched lengthwise along underground air duct and attached between metal base and waterproof layer.
EFFECT: prevention of heat loss during long-term operation in variable temperature and humidity conditions of ground, affecting elements of solar heat and cold supply system by implementation of underground pipeline out of composite material with fixated thin-fibre basalt stretched lengthwise between metal base and waterproof layer.
SUBSTANCE: heat-accumulating heating device comprises a body, air cavities with convective channels, a heat intensive filler and electric heaters, is additionally equipped with centres of heat energy accumulation, enclosed into a closed air circuit of circulation in the form of a metal box, which represent a solid heat-accumulating element and fluid circulating circuits in the form of circular channels filled with a heat-intensive filler and combined with a central pipe, and fluid circulating circuits at the side of radiation flux impact from the heat-accumulating element has heat-perceiving screens, branches of fluid circulating circuits, and the external part of the box are equipped with ribbing plates, creating spaces in the box and the slot channel to provide dynamics of convective flows.
EFFECT: possibility to accumulate and transmit thermal energy into a heated room by combination of thermal flows created by convection and radiation emission, to create convective flows for intensification of heat exchange process, to provide for quick and even heating of entire surface of a device releasing thermal energy into a heated room.
SUBSTANCE: invention is related to devices for alternative power supply systems using combined facilities for generation of heat, cold and electricity by means of wind and solar energy, which are intended mainly for self-sufficient conditioning and hot water supply of residential and industrial buildings. self-sustained power and heat supply system for the building is mounted at the roof inside transparent dome, in the upper dome zone there is a fixed heat carrier storage tank with a container with heat accumulating material placed inside this tank, inside the container there is heat generator coupled kinematically to the shaft of wind generator drive, the storage tank is mounted at support vertical pipe of rectangular cross-section interconnected with heat carrier and insulated thermally at two outer edges, the closed loop is formed by the tank, heating and cooling radiators, pipe of rectangular cross-section and airlift that includes air pump with potential air supply from the pipe interconnected with air layer over hear carrier in the tank to cavity of pipe of rectangular cross-section by means of microporous sprayer, solar ray reflector is made as parabolic cone with vertical axis of optical focus, whereto the vertical pipe is matched, at two edges of the vertical pipe there are Peltier elements equipped additionally with solar absorbers made as finned metal plates, Peltier elements are connected electrically in series and coupled through isolation diodes in parallel to electric generator and magnetizing coil of ferromagnetic rotor to summing supply diode of the air pump and charge stabiliser for buffer accumulator connected through inverter to the power mains, which is connected to mode selector for Peltier elements through regulated current rectifier and switch of the heat carrier heater in the storage tank.
EFFECT: improved degree of usage of energy sources.
4 cl, 3 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.