Friction heater

FIELD: power industry.

SUBSTANCE: friction heater includes a heated medium tank, in which there installed are fixed friction elements and turning friction elements connected to a drive shaft and installed with a gap between them, side walls and the bottom of the tank. Upper turning friction element is made in the form of a disc, and lower turning friction element is made in the form of a ring. Fixed friction elements are made in the form of shoes installed with possibility of their interaction with the turning friction disc and the ring. Mixing blades are installed between the disc and the ring. The tank is provided with holes in lower and side parts. Lower turning friction element can be made in the form of a ring with the width equal to width of lower friction shoe. Distance between the turning friction disc and the ring is more than their total thickness. Friction shoes can be pressed to the disc and the ring by means of stiff springs.

EFFECT: invention ensures simple design and enlargement of functional capabilities at reduction of cost.

4 cl, 1 dwg

 

The invention relates to wind energy, and specifically to receive thermal energy from wind power, bypassing the conversion of wind energy into electricity. The heater can be used for heating a small rural areas or for heating of industrial premises, warehouses, etc.

The famous "Friction heater" (ASV SU # 1627790, publ. 15.02.91,, bull. No. 6), containing a tank with the heated environment in which there is fixed coaxially and connected with the rotation drive of the rotary disks with the end and side surfaces, and a rotary disk provided with blades mounted on its side surface with a bias towards fixed disk in the direction of rotation of the rotary disc is installed with the possibility of axial movement and contact of its end surface with the end surface of the fixed disk. By increasing the speed of rotation of the blade stronger press the movable disk to a fixed disk. In the heat generation occurs at low speed and the energy losses in the drive and connected with the last wind turbine.

The disadvantage is the complexity of the design, which entails a significant cost of the unit.

The famous "frictional Heat" (patent RU №2380625, publ. 27.01.2010 year), which includes a cylindrical housing with roofs is Oh and a bottom, drive shaft, pipes entrance of cold and hot water outlet. At the top of the shaft through the cover and clutch coupled to the shaft of the turbine, and at the bottom with the pins connected to the movable eccentric drive motor and freely available on the fixed disk, rigidly attached to the bottom of the case. The hydraulic motor has a radially arranged cylinders, which are placed in the piston communicating with the shaft through the connecting rods and rim interacting with a movable disc which is in contact with a fixed disk. Hydraulic motors inside may be two or more, and above the top of the motor on its generatrix, have cells filled with the heat storage substance phase transition.

The disadvantage is the complexity of the design, which entails a significant cost of the unit.

Known "Vitrually installation" (patent RU №2313692, publ. 27.12.2007,), which contains a wheel with blades, shaft mounted with axial mobility on the axis of rotation of the propeller, the friction heat generator mounted on the rotary device, the support structure, the nozzles associated with the external heat line. The heat source comprises a conical rotor mounted on the shaft in the housing with the inner conical surface. The hollow body consists of two parts: cylindrical and conical with to what prostu of 0.5-1.0°. Between corresponding ends of the rotor and its casing, facing the wind turbine, made the gap. The side surface of the rotor along its length provided with a spiral groove, and an end face of the rotor opposite the connection of the rotor with the shaft, provided with two pins on the circumference of the cross section of the rotor. In the cavity of the cylindrical part of the housing has a piston pump. The side cylindrical surface of the piston has a zigzag groove, set in engagement with the protrusions on the inner part of the side surface of the cylindrical part of the body. The piston is made with through-holes for oil and with the possibility of axial movement of the piston relative to the rotor. Opposite from the rotor end face of the piston has a check valve associated with the piston for movement relative to the piston, forming with the wall of the piston part of the body clearance. Inlet and outlet nozzles are located in the rotor and the piston part of the body, respectively.

The disadvantage is the complexity of the design, which entails a significant cost of the unit.

The famous "Friction heater (patent RU No. 2244223, publ. 10.01.2005,) adopted for the prototype. Friction heater includes a tank with the heated fluid in which there is fixed coaxially and connected to the drive shaft with a chance to view the th joint axial movement of the rotary drive and propeller with a work force in the direction of the disk, the heater is equipped with an additional stationary and rotary discs, with the propeller mounted on the drive shaft, and each of the rotary disks mounted between two fixed disks, and float above the propeller screw for rotation relative to the drive shaft and the axial interaction with the latter.

The disadvantage is the complexity of the design, which entails a significant cost of the unit.

The technical result is to simplify the construction, expansion capabilities of the device.

The technical result is achieved by the friction heater, comprising a tank with the heated environment in which there is fixed a friction element and connected to the drive shaft of the rotary friction elements that are installed with a gap between them, the side walls and the bottom of the tank, the upper rotary friction element is designed in the form of a disk, the lower rotary friction element is designed in the form of a ring, and a stationary friction elements made in the form of blocks mounted with the possibility of their interaction with the rotary friction disc and ring, between which set of mixing blades, while the tank is manufactured with holes in the bottom and side.

The lower rotary friction element can be made in the form of alza, width equal to the width of the bottom friction pads.

The distance between the rotary friction disc and ring more than their total thickness.

The friction pads can be pressed against the disk and the ring with a stiff springs.

The upper rotary friction element is designed in the form of a disk for maximum space heating and fixing of the blades.

The lower rotary friction element is designed in the form of a ring for circulating the heated medium.

Rotary friction plate and the ring and the stationary friction elements made in the form of blocks mounted with the possibility of their interaction, in the form of a friction pair.

The execution of the tank with holes in the bottom and side provides circulation of the heated medium.

The gap between the rotary friction elements and between them and the side walls and the bottom of the tank circulates the heated medium.

The distance between the rotary friction disc and ring more than their total thickness provides heat exchange between the friction surfaces and heated environment.

The friction pads can be pressed against the disk and the ring with a stiff springs that will provide an increase efforts clamp pads to the disk and the ring, resulting in the generation of heat occurs at a reduced speed rotation is possible.

The invention is illustrated in figure 1, which shows: 1 - bearing; 2 - shaft; 3 - turbine; 4 - tank with the heated medium; 5 - hole on the side surface of the tank 4; 6 - fee; 7 - hole in the bottom of the tank 4, 8 - thrust bearing; 9 - friction rotary disk; 10 - mixing vanes; 11 - lower rotatable friction ring; 12, 13 - stationary friction pads; 14, 15 - hard spring; 16 - bearing; the arrows show the movement of the heated medium.

The device operates as follows. During the rotation of the turbine 3 rotates the shaft 2 and placed on top of the friction of the rotary disc 9 with mixing blades 10 and the lower rotatable friction ring 11. The friction disk 9 on the pads 12 and ring 11 on the pad 13 is formed by thermal energy. The disk 9, the ring 11 and the vanes 10 and the heat transfer heat of the heated environment, such as air, in the interscapular space. When the rotation of the disk 9 with the blades 10 and the ring 11 by the action of centrifugal force and the air is continuously pumped, heated in the interscapular space, and passing through the holes 5 and 7, gradually heats the air in this room, or water from the additional tank. For water heating device is placed in a water tank. The bearings 16 take the load from the shaft 2.

In affect, the, the device allows you to convert wind energy into heat energy while simplifying the structure and allows to heat the air or liquid.

1. Friction heater, comprising a tank with the heated environment in which there is fixed a friction element and connected to the drive shaft of the rotary friction elements that are installed with a gap between them, the side walls and the bottom of the tank, characterized in that the upper rotary friction element is designed in the form of a disk, the lower rotary friction element is designed in the form of a ring, and a stationary friction elements made in the form of blocks mounted with the possibility of their interaction with the rotary friction disc and ring, between which set of mixing blades, while the tank is manufactured with holes in the bottom and the side.

2. The heater according to claim 1, characterized in that the lower rotary friction element is designed in the form of a ring, of a width equal to the width of the bottom friction pads.

3. The heater according to claim 1, characterized in that the distance between the rotary friction disc and ring more than their total thickness.

4. The heater according to claim 1, characterized in that the friction pads are pressed against the disk and the ring with a stiff springs.



 

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