Complex electric generating heating device
FIELD: heating system.
SUBSTANCE: complex electro-generating heater that includes two pipes of the upper and lower collectors, vertical tubes of oval cross section connecting the cavities of the upper and lower collectors, the front and back rows of vertical rectangular plates opposite the vertical tubes of the oval section, covering them all over Their height, equipped with vertical slots, whose height is equal to the length of the vertical pipes, each of which is inserted a vertical rectangular thermoelectric transducer made of a dielectric material with high thermal conductivity and connected back-face end of its shell to the wall of the riser pipe, which is placed in the array elements of thermionic emission, which are paired wire segments, which are paired wire segments made of different metals M1 and M2, welded at the ends with each other in such a way that the wire segments themselves are parallel to each other, forming U-shaped rows, the extreme wire segments of each pair of U-shaped rows of thermoelectric converters are connected from below Between each other by jumpers, and on top of each pair of thermoelectric converters is connected to each other and to the output collectors via electric capacitors, and the output manifolds, in their own Are connected to a storage unit.
EFFECT: ensuring reliable, durable and efficient operation.
SUBSTANCE: invention relates to systems of heat tracing. The method of controlling the heat tracing circuit with automatic determining of interval duration of lack of power supply comprises calculation of the interval duration of lack of power supply based on the value of temperature of the process pipeline, measured at the end of a predetermined initial interval of the lack of power supply, as well as taking into account of the particular temperature of set point for the process pipeline and temperature of non-sensitivity area exceeding the temperature of set point. The set point temperature is determined taking into account the process fluid medium, the characteristics of the heating cable and the operating conditions of the process pipeline. The interval duration of the lack of power supply is limited by the time required for the process pipeline temperature reaches the temperature of set point.
EFFECT: providing of reduction of the number of on-off cycles of the heat tracing circuit and, consequently, increase in the life of the circuit components.
14 cl, 2 dwg
SUBSTANCE: device for zonal heating of a cryogenic control apparatus, for example, of a shutting off element which comprises a hollow casing 1 fixed in the housing of a cryogenic cavity, a stem 2 mounted inside the casing, movable along it and connected by one end to the output of the stem travelling drive 3 and by the other end - to a shutting off element 4 which provides for the change of the flow passage section in the pipeline where liquefied gas is transported. At least one resistance heating element 11 and temperature sensor 12 are mounted on the outer side of the control apparatus casing 1. The heating element 11 and the temperature sensor 12 can be mounted on the drive 3 case as well. Additionally the device comprises a voltage regulator 13, a temperature selector 14 and a control device 15 connected by its first input to the output of the temperature selector, by its second input - to the output of the temperature sensor and by its output to the control input of the voltage regulator with the power input of the latter being connected to the input of a power supply source 16. For easier installation on the apparatus casing 1 the heating element 11 can be made annular and detachable in axial direction.
EFFECT: invention provides for uninterrupted equipment operation.
3 cl, 2 dwg
SUBSTANCE: invention relates to an apparatus for controlling heating of a heat-dissipating glass, which transmits a sinusoidal signal in accordance with the size of the heat-dissipating glass such that the sinusoidal signal is transmitted at a moment in time when current of the sinusoidal signal is equal to zero, and transmission of the sinusoidal signal stops at a moment in time when current of the sinusoidal signal is equal to zero. The signal is transmitted to the heat-dissipating glass so as to control power supply taking into account the load created by the heat-dissipating glass, and the moment the sinusoidal signal passes through zero is determined using a phase detection portion, and heat control portion generates a control signal so that the signal is transmitted at a moment in time when current of the sinusoidal signal is equal to zero, and also transmission of the sinusoidal signal stops at a moment in time when current of the sinusoidal signal is equal to zero, and then transmits the control signal to a former, and the signal transmitted from the power supply portion is transmitted through the signal former to the heat-dissipating glass, and each signal transmitted to each heat-dissipating glass can be transmitted in different periods of time.
EFFECT: reduced noise generation, high reliability and longevity.
8 cl, 6 dwg
SUBSTANCE: circuit (1) for heating conductor control used to regulate AC power supply to the heating element (21) connected to it contains a breaker (31) having at least three switching states regarding power supplied to the heating element (21), for example two half-waves are connected, positive and negative half-wave is switched off and both half-waves are switched off, and control device (32) to define temperature of the heating element (21) and to select a switching state of the breaker (31) depending on temperature and/or temperature mode set by a user.
EFFECT: improving accuracy of control over power supply to the heating element.
21 cl, 8 dwg
SUBSTANCE: invention refers to heating device (10), as well as to a ground transport vehicle or an aircraft containing one or more heating devices (10), containing many PTK resistors (30) and at least one alternating voltage source connected to PTK resistors; PTK resistors (30) have such dimensions that voltage drop on PTK resistor (30) does not exceed the value of 40 V/mm, PTK resistors (30) are adjacent to one or more heat transfer zones (40); heat transfer zones (40) include many adjoining air channels.
EFFECT: reduction of current distortion associated with PTK resistor.
11 cl, 3 dwg
SUBSTANCE: heating device includes a heating element, a heat pipeline and the first and the second converters of the temperature control, which are in direct contact with the heat pipeline; at that, the first converter of the temperature control is located at the first distance from the heating element; the second converter of the temperature control is located at the second distance that is shorter than the first one from the heating element; actuation threshold of the first converter of the temperature control is less than actuation threshold of the second converter of the temperature control. The other aspect of the invention is the heating method using the heating device and manufacturing method of the heating element.
EFFECT: accurate and reliable temperature monitoring and control.
15 cl, 4 dwg
SUBSTANCE: plant includes two refrigerating and/or freezing devices installed near each other, or a refrigerating and/or a freezing device that is installed near the wall. Refrigerating and/or freezing device includes at least one heating element to prevent condensate formation. Heating element is not insulated with foamed material and located at least on one outer side of the device, which is directed to adjacent device or to the wall, or in the area of the above side. Heating element is a component of a modular system that can be further installed at least on one outer side of the device or in its area. Plant includes two refrigerating and/or freezing devices installed near each other, or a refrigerating and/or a freezing device that is installed near the wall, at least with one heating element to prevent condensate formation. Heating element is not insulated with foamed material and located at least on one outer side of the device, which is directed to adjacent device or to the wall, or in the area of the above side; heating element is the component of the modular system, which can further be installed in the mentioned area of the device.
EFFECT: easy method for prevention of condensate formation.
SUBSTANCE: the invention relates to method of regulation of steam installation in home appliances, where the steam installation produces water steam, in particular, hot steam of overheated steam. Water steam is fed to the processing section, specifically, to the drum. The said steam installation comprises at least one steam generator with heating element and water feeding means. The steam generator temperature is measured, specifically, the surface temperature and/or the heating element temperature, and in normal operating mode the heating element of water feeding means are regulated in such a manner so the measure temperature is kept within the given lower and upper limits. The normal operation mode comprises the first stage and the second stage, furthermore, in the first stage which begins after reaching the given lower temperature limit until reaching the given upper temperature limit the heating element is active and the water feeding means feed the water with the given volume flow, which is the fixed second volume flow or the volume flow which is changed accoring to the measured temperature in the given second dependence. In the second phase of normal operating mode which which begins after reaching the given upper temperature limit until reaching the given lower temperature limit the heating element is deactivated or its heat reduced in comparison with the first phase, and the water feeding means feed the water with the given third volume flow or the volume flow which is changed in accordance with the measured temperature in the third dependence. The second phase duration is measured, compared with the given duration value, and if the measured value differs from the given value more than the given difference value, the troubleshooting service begins.
EFFECT: guaranteed constant steam temperature and/or steam constant volume flow, which prevents spotting and textile products damage.
25 cl, 6 dwg
SUBSTANCE: heat generating electrode is made in the form of conductive plate (1) with one side coated by heat generating substances consisting of layer (2) of powdered homogenous mixture of polycrystalline substances covered by electroinsulating oxide film (3). During manufacture of electrode the following mixture is made with mass fractions (wt %) of calcinated magnesia oxide - 10-30, rubidium chloride 16-20, cesium chloride 5-15, ferrous oxide 10-14, iron oxide 10-14, granite 20-36. Components are powered up to size of particles less than 50 mcm and mixed. Ready mixture is mixed up with water up to pasty consistency. One layer of the mixture is applied to surface of one or two sides of electrode. Pin-point welding of each layer is made. Protruding irregularities of ready coating are removed. Coated electrode is conditioned at muffle furnace at 800°C during 2 hours. Electrode coating is baked till non-conductive oxide film is formed at the surface.
EFFECT: improvement of operational performance.
8 cl, 4 dwg
SUBSTANCE: heating element with controlled power for liquids includes housing, disconnecting device coupled with temperature sensor and mains. The housing of heating element is made of stainless steel in the form of truncated cone or part of sphere and installed up side down and represented as a vessel bottom. Insulating glass ceramic layer is located on the outer surface. Apart from the lower cone cross section or top part of the sphere having cross section diametre no more than 20% of large diametre of heating element bottom, metal ceramic resistor (7) with temperature sensor (8) is installed on the outer surface. There is a shield inside truncated cone or part of sphere, which is made from sheet material capable of withstanding liquid boiling temperature and ensure permanent clearance no less than 3 mm between heating element surface contacting liquid and shield. In addition, there is an opening in the top part of the shield (4), which diametre coincides the diametre of the part of heating element, which is not covered with resistance layer. The electrical diagram of heating element includes unit (9), which controls power of heating element (7) regulated by temperature sensor (8), installed on the surface of metal ceramic resistor (7).
EFFECT: exclusion of liquid boiling on thermal element surface, exclusion of counter current hot and cold liquid flows crossing in heating element, increased rate of liquid heating, energy conservation during liquid heating, reduced noise levels and scale formation on thermal element surface during liquid heating.
SUBSTANCE: heat exchange panel contains a heat exchange header, heat conducting elements and heating sectional block for liquid heating medium with lid, adjacent cells are hydraulically isolated from each other. Sections of the heating block are made as closed vertical cells out of plates. The heat conducting elements are made as comb, each its element is located both in heat exchange header, and in bottom part of the cells of the heating block. The internal surface of the side walls of sections in their cross-section is made curvilinear and concave. Internal cavities of cells of sections of the heating block are equipped with separating transverse vertical partitions. Internal cavities of cells of sections of the heating block are equipped with separating longitudinal vertical partitions. Internal sections of the heating block are installed with air gap.
EFFECT: improvement of heat output.
4 cl, 5 dwg
FIELD: power engineering.
SUBSTANCE: by means of natural circulation of a certain amount of degassed, explosion and fire proof coolant reactive to materials of a vessel and a heating coil in a vacuum-tight degassed vessel, with boiling temperature nearing 373 K due to implementation of its evaporation mode on the surface of a heating coil heat supply and condensation of its steam phase on the inner surface of the radiator body and return of its liquid phase into the evaporation zone under action of gravity forces, with no non-condensing gases, the room temperature is controlled against the average temperature of the entire radiator vessel by pressure of coolant vapours. Besides, the coolant amount is determined by a volume of the heating coil vessel and the entire radiator, so that it was sufficient for covering the entire heat release surface of the heating coil in the working mode of the radiator and filling of the entire radiator body with the steam phase, on the background of the set upper limit temperature mode of operation.
EFFECT: development of an improved electric heating radiator.
SUBSTANCE: heating device includes the device converting fuel combustion energy to heat energy, on the housing of which one or several thermoelectric generators (TEG) are fixed. TEG includes support heated plate on which heat equalising plate with thermoelectric generator modules installed on it is fixed in movable manner by using bimetallic plates. Heat equalising plate is fixed on support heated plate by means of hinge to horizontal rotary axis. Bimetallic plates are installed between support heated plate and heat equalising plate so that the possibility of rotating action on heat equalising plate of bimetallic plates when they are heated is provided. Cold junctions of modules are installed on cooling air radiator, and modules are installed on heat equalising plate through metal heat-conducting units and separated from each other with heat-insulating material.
EFFECT: invention allows reducing mass and dimensions parametres of heating device, providing constant level of generated voltage at TEG outlet and providing TEG protection against overheat.
9 cl, 2 dwg
SUBSTANCE: invention is provided for heat exchange and can be used in systems of hot-water heating of residential buildings. Heating panel is implemented in the form of two parallel sheets from plastic, located at a distance from each other and connected to each other by means of ribbed stiffeners, implemented from the same plastic with formation of multitude of parallel channels, adjacent open ends of which are joined by means of collectors. Collectors are implemented as electric and are provided for feeding of current to electrically conducting fluid, filling channels.
EFFECT: design simplification and reduction of water resistance against movement of liquid.
SUBSTANCE: thermal-electric oil radiator has: radiating element, having multiple serially connected radiating plates, every of which has hollow and leaf-like, inside each radiating plate there are at least two oil line grooves, at upper and lower ends of each radiating plate there are horizontal hollow connection sleeves, in each connecting sleeve there is a hole for oil supply, which communicates with oil line grooves, and connecting sleeves connected to each other form tight oil chamber filled with heat-conducting oil, electric control unit installed on radiating element, heating element arranged inside radiating element. At the same time between two neighboring radiating plates there is a strengthening radiating plate, having single leaf-like structure and comprises: radiating plate and radiating wall connected to specified radiating plate.
EFFECT: increased capacity of oil radiator radiation.
9 cl, 11 dwg
FIELD: heating systems.
SUBSTANCE: invention is meant for water heating and can be used for heating and hot water supply. Electric boiler house includes electric boilers, storage tanks of heating and ventilation load which are connected to the above boilers and have the possibility of being operated in a closed circuit, hot water supply storage tank, increasing and circulation pumps and main-line pumps, hot water heater, shutoff valves, anti-scale magnet devices and automatic control devices forming the circuits of heating and ventilation load and hot water supply load. Heating and ventilation load circuit and hot water supply load circuit are made separately; heating and ventilation load circuit is equipped with a three-way switching device the inlet whereof is connected to the network pipeline of return heat carrier; one of the outlets is connected to electric boilers, and the other one is connected to the lower zone of storage tanks. Network pipeline of return heat carrier is connected to the lower zone of storage tanks with an additional line equipped with charge pumps.
EFFECT: improving technological reliability and informativity of electric boiler house and reducing labour input of operation thereof.
5 cl, 2 dwg