Rotary suction pump-heat
The invention relates to constructions of pumps generators for use in local systems of heating and hot water supply and heating liquids in various technological systems. Pump-heat source comprises a hollow body with nozzles supplying a heated fluid and exhaust heated liquid, the rotor ring rotor having a cylindrical hole, a ring of stator suddenly expanding holes and core radiators. The input and output diameters of the holes in the ring of the stator, and the length of the extended portion of these holes are certain dependencies. The invention is aimed at improving the efficiency of conversion of mechanical energy into thermal energy due to more complete utilization of the kinetic energy of the liquid jets and simplifying the design of the pump. 1 C.p. f-crystals, 3 ill.The invention relates to constructions of pumps-generators, which can be used mainly in local heat supply systems of industrial buildings, shops, public and residential buildings, as well as for heating liquids in various technological systems.Known pump design-teplogenerator a heated fluid and a discharge pipe for exhaust heated liquid. Inside are: a rotor in the form of a centrifugal wheel with the holes on the periphery and the stator holes. The stator is installed coaxially to the rotor. Holes of the rotor is made in the form canoodling Asadchev, tapering in the direction of the stator. Hole of the stator is made in the form of suddenly expanding nasdaw with the transition to the conical diverging nozzle with an angle of expansion=90.The disadvantages of the known devices are:- the absence of cavitation zones in the holes in the rotor,the shape of the holes of the stator uses energy transit streams of liquid in order to enhance the cavitation zones, which are the main heat sources.Known closest to the invention a rotary pump-heat (Russian Federation patent RU №2159901), which has a hollow body with a suction nozzle for supplying a heated fluid and a discharge pipe for drainage. Inside the housing concentric with each other are the rotor and stator. In the peripheral part of the rotor in the annular nozzle holes are made in the form of an outer cylindrical nasdaw Venturi, and the holes in the stator is made extending in the direction of:- insufficient use of energy transit streams of liquid through the holes in the stator to form a hydrodynamic cavitation,not worked out the ratio of the diameters of the holes in the rings of the stator (the initial diameter and the diameter of the enlarged section) in order to maximize the development of cavitation in whirlpool zones;not the optimal length of the extended section of the holes of the stator in relation to the height of the ledge K=(D/2 - d/2), where D is the output hole diameter; d is the inlet diameter of the holes.The objective of the invention is a device that allows you to more fully utilize the kinetic energy of the transit part of the liquid stream through the holes in the stator for heating the liquid due to the optimum ratio of the diameters and length of the extended portion of the holes, placing the rod emitters and cavitation effects of the conversion of kinetic energy into thermal energy.This object is achieved in that in a rotary suction pump-boiler, containing a hollow body with a suction nozzle for supplying a heated fluid and a discharge pipe for exhaust heated liquid, inside of which there are: the rotor ring rotor having a cylindrical from the I in the ring of the stator is made suddenly expanding ratio of the input and output diameters of the holes d/D=0.6, and the length of the extended portion of the holes is according to L=5(D/2 - d/2). Along the axis of the holes of the ring stator can be set rod emitters having a sharp edge with a sharpening angle of 30and the extended part.In Fig.1 shows a cross section of a rotary suction pump heat source consists of the following major parts: 1 - hollow body; 2 - rotor shaft; 3 - ring rotor; 4 - ring stator; 5 - hole in the ring stator in the form of suddenly expanding nasdaw; 6 - core radiators.In Fig.2 shows the position of the rings 3, 4 rotor and stator combination of holes. In this position, the formation of cavitation zones in the ring of the rotor area And, in the ring of stator - zone B, the beam emitter 6 zone C.In Fig.3 shows the position of the rings 3, 4 of the rotor and stator when the offset mismatch holes. At the time of overlapping holes in the zone And hydraulic shock occurs, contributing to the disappearance of the collapse of cavitation bubbles, and in the zones B and C cavitation bubbles klapivad under the action of fluid pressure P2 in the housing 1 of the pump-boiler.Pump-generator includes a housing 1 (Fig.1) with connections for inlet and outlet and the housing 1 concentric with the ring 4 of the stator is a rotor ring 3 of the rotor, mounted on the shaft 2.In the peripheral part of the rotor hole is cylindrical, and the holes 5 in the stator ring 4 is made suddenly widening with the ratio of diameters d/D=0.6, where d is the inlet diameter of the holes; D - output diameter holes.The length of the extended portion of the hole 5 is defined as L=5(D/2 - d/2).Along the axis of the hole 5 of the ring 4 of the stator are core emitters 6, designed for education whirlpool zones and ultrasonic cavitation occurring at sharp edges of the emitters 6 - “V-tone.”Works as described rotary suction pump-heat follows.The heated fluid through inlet nozzle of the hollow body 1 enters the rotor ring 3 of the rotor. The rotor of the rotating shaft 2, the blade acts on the liquid, giving it kinetic energy and directing it into the holes of the ring 3 of the rotor. The liquid passing through the holes of the ring 3 of the rotor, forms a whirlpool area And low pressure and the formation of cavitation bubbles in it. Transit stream of fluid within the zone And saturated cavitation bubbles.At the time align the holes of the rotor ring 3 and the holes 5 of the ring 4 of the stator (Fig.2) liquid is a rgiya, getting in the sudden widening of the hole 5 of the ring 4 of the stator forms a whirlpool zone B. Transit as part of the jets around the rod emitters 6, form whirlpool zones, which are the education centres of cavitation bubbles (zones a, B, C). The most advantageous from the point of view of the formation of cavitation bubbles, the ratio of the diameters of the holes 5 of the stator ring 4 d/D=0.6 (Fig.3) and the length of the holes 5 of the extended part of the L=5(D/2 - d/2) (Fig 2).In addition, when the leakage transit trickles of fluid passing through the suddenly widening the holes 5 of the ring 4 of the stator wedge-shaped edge beam emitters 6 appears “V-tone”, this ultrasound, arising at an angle of sharpening edges, about 30°. The transit portion of the streams of liquid falling on the sharp edges of the emitters 6, is broken by these edges so that both sides appear vortices.At the time of overlap of the apertures of the ring 3 of the rotor side walls (partitions) of the stator ring 4 (Fig.3) a sudden increase of pressure in the holes of the ring 3 of the rotor (hydraulic shock), contributing to the collapse of cavitation bubbles in zones a And the static pressure P2, supported in the housing of the heat source, is provided schlopy the p>Emitted from the collapse of cavitation bubbles energy is transferred to the heated liquid.Varying the flow rate of the flowing fluid, the change in the ratio of the pressures P1 and P2, which when combined with the fluctuations of the hydraulic shocks in the rotor and beam emitters 6, with the known speed of rotation of the rotor, contribute to the emergence of the self-oscillatory mode in the hydraulic system.Since the establishment of the self-oscillation mode the heating rate of the fluid increases, and the power consumption of the drive of the generator is reduced.The specified pump-generator can be used for heating and hot water supply of residential buildings and industrial premises, as well as for heating of liquids in industrial processes.
Claims1. Rotary suction pump-generator having a hollow body with a suction nozzle for supplying a heated fluid and a discharge pipe for exhaust heated liquid inside which is located a rotor ring rotor having a cylindrical hole, and a stator ring stator having a sudden widening of the hole, and the core emitters, wherein the CTE is Erste d/D=0.6, and the length of the extended portion of the holes is according to L=5(D/2 - d/2).2. Rotary suction pump-heat generator according to p. 1, characterized in that the axis of the holes of the ring stator mounted rod emitters having a sharp edge with a sharpening angle of 30and the extended part.
FIELD: low-power engineering, applicable as a component of windmills for production of heated water in houses not provided with centralized hot water supply.
SUBSTANCE: the friction heater has a tank with heated liquid, fixed and rotary disks coupled to the drive shaft for joint axial motion, and a propeller with the working force in the direction of the disks are installed in the tank. The novelty in the offered heater is the installation of additional fixed and rotary disks, the propeller is fastened on the drive shaft, and each of the rotary disks is installed between two fixed disks, and a float located above the propeller for rotation relative to the drive shaft and for axial motion on the latter.
EFFECT: enhanced efficiency of heater operation at the same rotary speed of the drive shaft.