Combined thermal storage electric heater with stage heating of heat-storing core

FIELD: heating.

SUBSTANCE: in a combined thermal storage electric heater with stage heating of the heat-storing core in the latter, a heat sensor is installed on one of the electric heating elements. It allows to set and control the temperature of the electric heating elements, heating them up according to the stage heating principle and not exceeding their maximum allowed temperature. There is a two-layer heat insulation with a shield between the layers of heat insulation inside the chamber with the heat-storing core. And there is a mixing chamber in the chamber with an electric convector. The mixing chamber allows mixing the flows of cold and hot air to a homogeneous state at the outlet of the device. There is an air gap between the bottom wall of the device case and the floor.

EFFECT: high heat efficiency with the ability to set and control the required temperature of electric heating elements installed inside the heat-storing core, mix the cold and hot air flows to a homogeneous state at the outlet of the device.

1 dwg

 



 

Same patents:

FIELD: heating.

SUBSTANCE: invention relates to power engineering and can be used for heating and temperature control. An electric heat accumulating heater comprises a casing, heat accumulating substance and an electric heater connected to a power supply source. Novelty is that the electric heater is made as a conductive layer interacting with a movable electrode and comprising carbon nanomaterial above which a heat accumulating dielectric layer is provided. The device is characterised by highly efficient heat accumulation and possibility of changing the power with the step of 2 W and a wide control range from 10 W to 20 W.

EFFECT: invention allows for reduced power losses and increased heating rate control efficiency.

4 cl, 1 dwg

FIELD: power engineering.

SUBSTANCE: invention relates to the field of power engineering, more specifically, to facilities for accumulation, storage and release or conversion of heat energy. The heat energy accumulator comprises at least one control element and a working body, providing for accumulation of thermal energy and capable of releasing thermal energy as a result of action of at least one control element. At the same time according to the invention, the working body represents amorphous particles of refractory material, providing for accumulation of thermal energy when in condition of metastable highly destabilised defect-saturated condensed phase and release of thermal energy during phase transition from the defect-saturated destabilised condensed condition into condition of crystalline order.

EFFECT: proposed accumulator has higher energy intensity in comparison with analogues available at the current level of engineering.

5 cl, 1 dwg

Heat exchanger // 2425297

FIELD: power industry.

SUBSTANCE: heat exchanger includes casing with through openings on its opposite sides, phase transient working medium and heat carrier. Phase transient working medium is made in the form of frameless heat exchange elements from form-stable composite heat accumulating material, which are fixed inside casing with possibility of their being freely streamlined with heat carrier. In order to improve heat carrier to the space between adjacent heat exchange elements, elastic corrugated metal ribbed plates are installed. When using the heat exchanger as electric heating device, electric heaters are added to its composition.

EFFECT: improving mass and dimensions parameters of heat exchange devices at simultaneous increase of their power capacity, simplifying the design, increasing energy saving level and improving energy characteristics of the systems operating in peak actuation modes.

5 cl, 5 dwg

FIELD: heating systems.

SUBSTANCE: invention is intended for water heating and can be used in power engineering. Device includes boiler, expansion tank, heat exchanger, hydraulic air heat exchanger, pipelines, including pipeline connecting the upper part of boiler to the bottom of expansion tank, safety valves, capacity and tank. Boiler, tank, expansion tank and pipeline connecting the upper part of boiler to bottom of expansion tank have common longitudinal axis in vertical plane, heat exchanger and capacity are coaxial, and their axis is parallel to axes of tank, pipeline connecting the upper part of boiler to bottom of expansion tank and expansion tank; at that, heat exchanger is connected through the cock to pipeline connecting the upper part of boiler to bottom of expansion tank; in space between boiler internal walls and external walls there located are heat energy sources and heat-accumulating matters.

EFFECT: invention provides use of heat of phase transition of heat-accumulating matter.

1 dwg

FIELD: heating systems.

SUBSTANCE: invention refers to heat exchange devices used for heat or cold transfer in the processes using liquid or gas flows, and can be used in heating and ventilation systems, in chemical, food and other industries. Heat exchange method in gaseous and liquid media consists in transfer of heat or warm liquid (gas) from upper layers of medium to lower ones by means of capsules consisting of cover with heat insulation in which there is tank filled with heat-absorbing material or liquid (gas) and flotation chambers with movable partition brought into operation with temperature drive in the form of bi-material. Capsules are retained on bottom till heat transfer is completed owing to magnet or thermomagnetic material installed in capsule, and electric magnet installed in lower layers; at that, current for electric magnet is generated when capsule with magnet passes along current-conducting spiral located along capsule movement.

EFFECT: proposed invention will allow, by using internal heat, performing heat exchange between upper and lower layers of liquid (gas), as well as producing electric power.

5 cl, 8 dwg

FIELD: heat engineering, namely accumulator type gas heaters, possibly used at developing hot blast gas heaters for aerodynamic tubes.

SUBSTANCE: gas heater includes cylindrical heat accumulating adapter sealed in housing near end of gas outlet. Novelty is that heater includes rod arranged along axis of heat accumulating adapter, supporting grid and cylindrical gas-tight casing. Heat accumulating member of adapter is made of thin corrugated strip whose one end is secured to rod. Corrugated strip is twisted around rod in the form of compact coil arranged together with supporting grid in casing. Height of strip corrugation is equal to thickness of strip.

EFFECT: improved design of heater due to its lowered hydraulic resistance.

1 dwg

FIELD: heat engineering, namely accumulator of gas heaters, possibly used for constructing Cowper and ohmic gas heaters for aerodynamic tubes.

SUBSTANCE: heater includes heat accumulating adapter arranged in housing with gas-tight cylindrical outer surface and electric current supply leads of resistive heating member. Heat accumulating member of adapter is zigzag-shaped and it is made of thin strip of sheet material; said member has vertically arranged lamellae mutually spaced by the same distance and placed along axis of heater. Ends of said strip are connected to electric current leads. Annular mutually joined flanges are arranged on ends of adapter. The last has rods arranged between flanges on cylindrical surface; said rods are electrically isolated from flanges and they serve as supports for lamellae of heat accumulating member. Each flange of adapter has three parts (upper ring-half and two lower ring quadrants). There are gaps between parts of rings and casing for providing displacement of ring parts one relative to other and relative to casing by value of length change of lamellae of heat accumulating member at heating and cooling them.

EFFECT: enlarged using range of hot-blast heater due to its simplified design and lowered hydraulic resistance.

3 dwg

The invention relates to the field of electrical and heating equipment and can be used in various electrical heat exchangers and heating devices

The invention relates to heat-power engineering and heat engineering

The invention relates to a two-layer systems of accumulation of thermal energy, such as Solar energy, in which the absorption of heat is accumulating layer 24 and then through the heat-release layer 22 is transmitted to the consumer through a pipe 30

FIELD: heating.

SUBSTANCE: air heating device includes a housing with air flow inlet and outlet and a heating assembly and a centrifugal fan, which are arranged in it. The heating assembly includes a shell and sections of spiral elements enclosed in it, which are electrically connected in series and fixed with their ends on screws that tighten insulators. Insulators are located on axially extended supporting plates that are formed as an internal assembly in the form of a polyhedron, which is attached to the shell. A centrifugal fan is placed to the outlet wall of the housing, installed after the heating assembly and has a casing in the form of a snail. The outlet opening of the casing corresponds to the outlet opening of the housing. The inlet opening of the centrifugal fan is a confuser and corresponds to the outlet opening of the shell of the heating assembly. The device can contain hollow flattened ring-shaped holders that are located coaxially to the shell of the heating assembly inside it. The ring-shaped holders are located at some distance from each other to opposite ends of the heating assembly and form along with the axially extended supporting plates an internal assembly of heating assembly 6, which is attached to its shell. The axially extended supporting plates are equally spaced on the ring-shaped holders in azimuthal direction.

EFFECT: enlarging functional capabilities of an air heating device with maintenance of an inertia-free and compact device.

10 cl, 6 dwg, 2 ex

Hard water heater // 2523592

FIELD: heating.

SUBSTANCE: invention relates to heater with heating surface oscillated by solenoid built in the heater. Said solenoid is supplied by common power supply circuit while heating surface rests on solenoid case via resilient suspensions. The latter allow said surface oscillate relative to solenoid case.

EFFECT: efficient heat power transfer, supply by common electric power feed circuit without extra converters.

2 dwg

FIELD: electricity.

SUBSTANCE: heating unit for a vehicle electric air heater comprises at least one frame, the inner space of which is divided into two sections by an intermediate plate, having two rows of openings for connecting helical heating elements. The lateral sides of the frame form a T-shaped connection with the top and bottom peripheral plates. The top and bottom peripheral plates each have a row of openings for connecting helical heating elements and are turned by their wide sides at right angles to the intermediate plate. Fastening on the peripheral top and bottom plates forms Λ-shaped figures, the vertices of which are situated on the top and bottom peripheral plates, and the diverging parts face the side of the intermediate plate. According to the second version, the heating element further includes intermediate plates having two rows of opening each. The diverging parts of the Λ-shaped figures are fastened on neighbouring intermediate plates.

EFFECT: high power of the device and efficiency thereof without reducing service life.

8 cl, 4 dwg

FIELD: mining.

SUBSTANCE: plant includes an air-heating room made in the form of a barrier of cylindrical shape, with air heaters arranged in one row in two and more tiers in the room along the barrier perimeter, side rectangular openings in the barrier evenly distributed along its perimeter, an input opening in the slab and an output opening in the bottom part, both with rectangular cross section, radial partitions, which create chambers in the air-heating room, direct and return pipelines of heating coolant. Each chamber is equipped with a diagonal impermeable curtain, installed across the longitudinal axis of the chamber from the slab to the level of the upper edge of the lower tier of air heaters. Around the barrier on vertical supports there are two circular guides, one above the upper level of the side rectangular opening, the other one - below the lower one, in the space between the upper and lower circular guides there is a wind speed damper kinematically connected to them, and this damper comprises a semipermeable shield, a dense shield, a circular frame and a drive of its rotation, besides, the semipermeable shield is made in the form of a segment and is installed on the frame vertically, concentrically to the barrier and with a gap, the dense shield is made in the form of a segment and is installed on the frame vertically, concentrically to the barrier and with a gap at the diametrically opposite side, and the drive of rotation of the frame around the vertical axis is made in the form of a blade from the dense material, installed vertically on the frame and aligned radially.

EFFECT: increased efficiency of air-heating plant operation.

3 dwg

FIELD: heating.

SUBSTANCE: heater includes the following: electric power supply section (1) supplying the pre-set electric power; heating section (4) which is provided with electric power from electric power supply section (1) for heating; the first electric power line for supply of electric power from electric power supply section (1) to heating section (4); electric power supply control switch section (6) which is installed in the first electric power supply line and selectively supplies electric power to heating section (4); controller (3) which is fed with electric power from electric power supply section (1) and controls selective supply of electric power by means of electric power supply control switch section (6); the second electric power supply line for supply of electric power from electric power supply section (1) to controller (3); and switch section (2) on housing, which is installed in the second electric power supply line and selectively supplies electric power to controller (3).

EFFECT: lower operating cost of the device.

6 cl, 10 dwg

FIELD: heating.

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: air heater includes housing with air flow inlet, outlet and fastening fittings, air supply and heating unit including fan with electric motor in its shell and with impeller, heating element assembled and laid in the form of spiral-shaped element on the support along shell. In the second air supply and heating unit there provided is spiral-shaped heating element, fan with electric motor in its shell and with impeller. Each of two air supply and heating units is placed in metal cylindrical split casing installed coaxially each to its shell. Spiral-shaped heating element of each of air supply and heating units is made of pieces of spirals, which are oriented parallel to each other between neighbouring plates and electrically and in series connected. Ends of spirals are fixed on insulating materials installed in holes of plates which are made throughout their length; at that, plates are located between casing and shell. In addition, air heater includes the third fan with electric motor and impeller. Housing is divided into a number of sections.

EFFECT: reducing readiness time to required air flow heating temperature at decreasing dimensions of the item.

14 cl, 6 dwg

FIELD: heating.

SUBSTANCE: invention relates to energy industry and can be used to heat fluid or gaseous medium by infrared radiation source. To achieve the aim the heat exchanger comprises at least one channel for the medium subject to heating which is made in the cavity of the exchanger casing where at least one infrared radiation source is mounted as well, an individual reflector of infrared rays is set axially to the channel to concentrate the rays at the channel including those parts of it which are inaccessible for the direct rays of the infrared radiation source. According to the second version an individual reflector of infrared rays is set axially to the channel for the medium subject to heating to concentrate the rays at the channel including those parts of it which are inaccessible for the direct rays of the infrared radiation source; the above channel is made by plates resulting in a plate-type heat exchanger. According to the third version the channel for the medium subject to heating is made as at least one flat spiral which can be serpentine-patterned. According to the fourth version the heat exchanger is made with the channel for the medium subject to heating in the form of collectors connected to each other by pipes. In all versions the channel for the medium subject to heating can be made from the materials which are radiolucent for infrared radiation.

EFFECT: increasing heating efficiency.

12 cl, 10 dwg

FIELD: heating systems.

SUBSTANCE: invention refers to electric heating equipment, and namely to fan heaters, and can be used for heating public electric transport compartments. Air heater consists of hollow casing (1) with air flow inlet and outlet and with fasteners, a heating element assembled and installed in the form of a spiral-shaped element on the support along casing (1), a fan including electric motor (7) placed in shell (6), and impeller (15) taken out after shell (6). Air heater also consists of metal cylindrical removable housing (4) located between casing (1) and shell (6) of electric motor (7) and installed coaxially to the shell (6). Between housing (4) and shell (6) arranged are plates (5) extended along housing (4) and provided with holes along their length. Spiral-shaped heating element is formed from spiral sections (3) which are located parallel to each other between adjacent plates (5) and electrically series-connected, and the ends of those spirals are fixed on insulators (12).

EFFECT: miniaturising the device design at maintaining its operating reliability, increasing air flow, decreasing the level of acoustic pressure produced by air heater, and shortening the time required for reaching the necessary air flow heating temperature.

11 cl, 3 dwg

FIELD: heating systems.

SUBSTANCE: invention refers to heating equipment and air warming equipment as well as maintaining the temperatures inside electric transport compartment at the specified level. Heater consists of a body inside which there is a heating block placed in a housing insulated from the body, an air supply block, voltage divider of electric transport system, and series-connected temperature sensors of protection system. Heating block is made in the form of a number of electrically connected heating elements attached through insulator plates to holders. Air supply block is made in the form of DC motor connected with impeller and air flow shaper. Voltage divider is made in the form of a spiral element which is attached to air flow shaper and series-connected to motor armature winding. Temperature sensors of protection system are installed inside the housing of heating block from the side of air supply block. In one of the body walls there provided are inputs of high and low supply voltage.

EFFECT: reducing acoustic pressure up to 40-45 dBA at high electric safety, and increasing service life up to several tens of thousands of hours.

3 dwg, 6 cl

FIELD: convector-type heaters for heating rooms.

SUBSTANCE: proposed heater includes heat exchange components secured on heater forming air passages, air damper, casing and air duct where heater and air damper are mounted; upper wall of casing has many air exhaust holes located at definite pitch; casing has lower wall with holes located at definite pitch; damper is movably located on upper or lower wall of casing and is provided with many holes located in such way that they may be registered during motion of damper to one or other side with air exhaust holes of upper wall or air intake holes of lower wall; strips formed between holes of damper close air intake or air exhaust holes of casing during motion of damper. Axes of air exhaust holes of upper wall and axes of air intake holes of lower wall are located in vertical planes passing through axes of air passages formed by heat exchange components; heater of heat exchanger made from tubes is located across heat exchange components along casing. At least one damper is mounted in guides of upper wall or lower wall or in guides of lower wall of casing and is provided with mechanism for its motion.

EFFECT: improved functional properties of heater; simplified construction; reduced usage of materials and labor consumption.

19 cl, 25 dwg

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