Hydrogenerator

FIELD: engines and pumps.

SUBSTANCE: hydrogenerator includes rotor 1, oil bath of centre plate, which has external and internal walls 3 and 6, support elements 4, cover 7 and condensers 8 of oil vapours and detachable ring filter 9, gravity filter 10 and water ejector 11, which are arranged on cover 7 and attached to each other and through condenser 8 to air cavity of oil bath, absorption cooling chambers with oil receiver, non-return valve 13 and tight valve 22. In oil bath there installed are flexible U-shaped pipelines 23 which are rigidly pressed by means of clamps to walls 3 and 6 of oil bath and to its bottom 2. Inlet edges of face of pipelines 23, which are adjacent to wall 6, are located in air cavity of oil bath restricted with rotor 1 and wall 6 and above level of oil filling the oil bath. Outlet edges of pipelines 23 which are adjacent to wall 3 are located in air cavity of oil bath restricted with rotor 1, wall 3 and cover 7 and above level of the oil filling the oil bath and inlet edges of pipelines 23 which are adjacent to wall 6.

EFFECT: improving efficiency of the device by complete prevention of oil vapours outflow from oil bath of centre plate to atmosphere.

3 cl, 1 dwg

The invention relates to the field of hydropower and can be used in all hydraulic units hydraulic and hydroelectric power plants (HPPs and PSPPs).

Known hydrogenerator containing the stator and the rotor, with the frame in the form of needles, oil bath thrust bearing having a housing, a cover, sleeve, thrust bearing, mounted on the rotor shaft, and sealing the chamber, placed on the inner and outer diameters of the sleeve, coolers installed in chambers made in the form of an annular pipe and designed to condense the oil vapors (USSR author's certificate No. 875541, CL H02K 5/12, 1980).

The disadvantages of the device include:

lack of reliability and durability, due to the fact that when the contact of the ambient air piping air with cold surfaces in them condenses moisture contained in the air, which inevitably flows into an oil bath and mixed with oil. The presence of water in the lubricant causes such undesirable phenomena as corrosion of the rubbing surfaces and damage bearings;

increased fire hazards and pollution caused by the fact that couples can relatively easily enter through the gap between the rotating rotor and the ring pipelines in the environment, not having to concentrate on the cold surfaces of the ring Tr is aprovado, and since the ring pipes are cooled by water from a reservoir hydroelectric power station, the temperature of their surface, in the vicinity of the seal will be slightly higher than the temperature of the flowing water in them, which cannot be lower than 0°C. Typically, the cooling water temperature ranges from +2 to +25°C, and in southern latitudes it can reach +(28-30)°C. Thus, for most of the year, and in southern latitudes year-round intensity condensation of oil vapors on the surfaces of the pipes is relatively small. Therefore, the known design of the capacitors are not effective enough, and therefore unreliable;

in addition, a relatively large bulk and intensity of such coolers, the complexity of their Assembly and disassembly during installation and repair significantly reduce the maintainability and efficiency of the hydro generator.

Known hydrogenerator containing the rotor core in the form of needles, oil bath thrust bearing having a housing, the supporting elements, the enclosure, the cover and placed on the lid of the capacitors oil vapors and split ring filter and mounted outside the housing on the brackets and platforms centrifugal separators equipped with propellers placed in diffusers and air-to-air ejectors, and the internal cavity of the oil bath pipeline through con is Nestor and the oil separator is connected with the environment, and the open end of the tubing is placed inside the ejector (USSR author's certificate No. 1776624 A1, CL H02K 5/16, 1989).

The disadvantages of the device include:

lack of reliability and durability, due to the fact that the condensers are cooled by water supplied thereto from the top of the water. The temperature of the water in the reservoirs of the hydroelectric power station usually does not fall below (2-3)°C and in summer it reaches +(20-25)°C. Thus, for most of the year in southern latitudes year-round intensity condensation of oil vapors on the elements of the capacitor is relatively small. Unsettled oil vapours with air will get into the centrifugal separator. The flow velocity of the air circulating in the thrust generating units are relatively small and do not allow you to spin the rotors of centrifugal separators to the speed at which all the particles of the oil vapors passing through them will be separated from the running of malovany to the air ejectors and then through the ejectors will be released in the environment. This same fact, namely the lack of speed circulating in the thrust of the air leads to a significant reduction of the pressure drop in the ejectors, and consequently, to a decrease in their performance;

in addition, the known device cannot be used in hanging units, where wt is avanna is located on the spokes of the rotor in the engine room of the power plant.

The presence of these defects leads to the fact that in the known device is pollution pairs oils, oil consumption from malovany and increased fire hazards from settled on the stators and equipment oil vapors.

In addition, the known device is relatively cumbersome and bulky, and also complicates the Assembly and disassembly during installation and repair, reduces the maintainability and efficiency of the hydro generator.

Known hydrogenerator containing the rotor core in the form of needles, oil bath thrust bearing having a housing, the supporting elements, the enclosure, the cover and placed on the lid of the capacitors oil vapors and split ring filter. Outside malovany set the strainer and the water ejector, connected together and through a capacitor with an air cavity malovany limited by the rotor, the upper lid and the outer wall of malovany. Inside the capacitors are absorption refrigerating chamber. In the case of the condenser is the oil pan, which has the shape of a truncated cone, tapering part facing the inside of malovany (patent RU №2161730, IPC 7, F03B 11/6, H02K 5/16, publ. 10.01.2001, bul).

The disadvantages of the device include:

suction oil vapors from the cavity malovany limited by the rotor, the upper lid and the outer wall is some of malovany, condensation and their return in the form of dropping the origins on the surface of a truncated cone inside malovany.

Of course, what is considered constructive solution for the exception of the release of oil vapors into the environment is very effective, but limited and incomplete.

The disadvantage of the considered design is the lack of suction and disposal of oil vapors released into the air cavity bounded by the rotor and the inner wall (enclosure) malovany, and unimpeded into the environment, the location of the turbine and throughout the unit, through a relatively large gap between the inner wall of the enclosure and the surface of the rotor. Therefore, a well-known design is not efficient enough.

The presence of this drawback leads to the fact that in the known device is pollution pairs oils, oil consumption from malovany and increased fire hazards from settled on the rotor, the stator and equipment oil vapors.

The task is to increase the efficiency of the device by complete elimination of the release of oil vapors from malovany thrust bearing in the environment.

The problem is solved due to the fact that in the proposed hydroelectric containing the rotor core in the form of needles, oil bath thrust bearing, with the outer the inner wall, the cover and placed on the lid of the capacitors oil vapors, split ring filter, strainer and water ejector, connected among themselves and through the condenser with an air cavity malovany, obsorbtion of the refrigerating chamber with the sump, check valve and a sealed valve. According to the invention in malowane installed flexible u-shaped pipes, prizhimayuschie tightly with clamps to the outer and the inner wall of malovany and to its bottom, and the input edges of the ends of the pipes adjacent to the inner wall, located in the air cavity malovany limited by the rotor and the inner wall and above the oil level, fill malovany and output edges of the piping adjacent to the outer wall, are located in the air cavity malovany limited by the rotor, the outer wall and the cover and above the oil level, fill malovany, and the input ends of the pipes adjacent to the inner wall.

The hydro generator according to claim 1, characterized in that the flexible u-shaped pipes installed along the periphery of malovany in vertical radial planes passing between the supports of the segments.

The hydro generator according to claim 1, characterized in that the air cavity malovany limited by the rotor and the outer wall and the cover, and the hcpa is used cavity malovany, bounded by the rotor and the inner wall, interconnected by flexible I u pipeline.

The invention is confirmed by the drawing, which shows a General view of the hydrogenerator in vertical radial section.

The hydro generator includes a rotor 1, located in an oil bath containing the bottom 2, the outer wall 3, the supporting elements 4, a cooler 5, the inner wall 6 and the cover 7. In the cover 7 is made through holes, evenly spaced around the circumference over which the outside of the cover is hermetically installed capacitors 8 oil vapors in the region of the seal has a split ring filter 9. Outside malovany set the strainer 10 and a water ejector 11, the connecting pipes 12 through the check valve 13, the reed valve 14, the strainer 10, the reed valve 15, the pipeline 16 and the capacitor 8 with the air cavity malovany limited by the rotor 1 and the cover 7. At the bottom of the strainer 10 is a drain line 17 and sealed valve 18. Outside malovany installed pipe 19 and sealed valve 20, connected with a water ejector 11 from the water outlet of the water ejector 11, and the pipe 21 is sealed by the valve 22, is also connected with a water ejector 11 from the side of the water outlet from Wodan the first ejector 11, and inside malovany 3 installed flexible u-shaped pipes 23, prizhimayuschie rigidly, by means of clamps to the outer 3, 6 internal walls and to the bottom 2 malovany, and a flexible u-shaped pipes 23 are installed along the periphery of malovany in vertical radial planes passing between the supports 4 segments, input flange ends of the flexible conduits 23, adjacent to the inner wall 6 malovany, are located above the oil level, fill malovany thrust bearing, and the input flange ends of the flexible conduits 23, adjacent to the outer wall 3 malovany, are located above the oil level, fill malovany thrust bearing, and above the input ends of the flexible conduits 23, adjacent to the inner wall 6 malovany thrust bearing. The hydro generator and air cavity malovany thrust bearing, which is bounded by the rotor 1, the outer wall 3 and the cover 7, and an air cavity malovany thrust bearing, which is bounded by the rotor 1 and the inner wall 6, are interconnected via a flexible u-shaped piping 23.

The hydro generator works as follows: when the rotor 1 pair of oil in malowane, the cavity bounded by the rotor 1, the housing 3 and the cover 7, under the action of centrifugal forces and air stream sucked into malovany through radial the e-seal and the filter 9, go to the periphery to the wall 3, as shown by arrows "a". At the entrance to the condenser 8 in the cavity of malovany limited by the rotor 1, the wall 3 and the cover 7, due to the dilution of the free end of the pipe 16 connected with the ejector 11 through the strainer 10, sealed valve 14, the check valve 13 and pipe 12, an underpressure is created. Due to the fact that the cavity malovany, which formed a low pressure, are connected by pipes 23 with the cavity malovany limited by the rotor 1, the inner wall (enclosure) 6, a pair of oil in the cavity will be otkazyvatsa through line 23 adjacent to the inner wall 6, together with the air drawn through the annular gap between the rotor 1 and the inner wall 6, and out of the pipes 23, adjacent to the outer wall 3, into the cavity of malovany limited by the rotor 1, the wall 3 and the cover 7, as shown by arrows "e".

Next, all pairs of both air cavities malovany dragged into the condenser 8, concentrate it to drop the condition and flow down the walls of the capacitor elements 8 down in a conical sump, i.e. back to malovany, as shown by arrows "b".

Due to the fact that at the periphery of malovany creates low compared to atmospheric pressure, the air sacrocaudal environment through the filter 9 and the gaps in the seal is pulled into malovany, as shown by arrows "g". When this circulation of air, no release of oil vapors from malovany in the environment.

The air with vapors of oil that has passed through the condenser 8, almost cleared from the oil vapors and further through the pipeline 16 is supplied through a tight valve 15 and the strainer 10 and further through the tight valve 14, the check valve 13 and pipe 12 in a water ejector 11.

Extremely minor part of the oil vapors, which can pass through a capacitor 8, adsorbed elements of the strainer 10. Thus, in the ejector 11 is sucked air from malovany when deep cleaning from oil vapors, and in the lower reservoir of the ejector 11 water discharged from the air, not containing impurities of the oil.

Water for water ejector 11 is fed to it from the top of the water through the pipe 19 and sealed valve 20, and goes along with pumped from malovany air through the pipe 21 and sealed valve 22 and then merges into the lower reach.

Created as a result of work of the water ejector vacuum in malowane provides unmetered air into malovany from the environment through the detachable filter 9 and the gap in the seal between the rotor 1 and the cover malovany 7.

Due to such movement (circulation) of air, no release of oil vapors from malovany (from both the hcpa is one of the cavities) in the environment, and deep cleaning air which is sucked off from malovany, from oil vapors:

in the condenser 8 and the strainer is 10 - ensures reliable protection of the environment from exposure to oil vapors and eliminates the fire and the flow of the oil. The return of sucked air with oil vapors back into malovany due to their concentration in the capacitors 8 and further draining on conical sump into the tub virtually eliminates oil consumption that occurs when evaporation and the release into the environment when traditionally applied designs contact seals, including the structures considered analogues of the seals.

Thus, the proposed generator is compared with the prototype allows to increase reliability and durability, reduce environmental pollution, reduce fire risk, improve maintainability and efficiency.

1. The hydrogenerator containing the rotor core in the form of needles, oil bath thrust bearing having outer and inner wall, the supporting elements, the cover and placed on the lid of the capacitors oil vapors and split ring filter, strainer and water ejector, connected together and through a capacitor with an air cavity malovany, absorption refrigerating chamber with the sump, check valve and hermetics the second valve, characterized in that malowane installed flexible u-shaped pipes, prizhimayuschie tightly with clamps to the outer and inner walls malovany and to its bottom, and the input edges of the ends of the pipes adjacent to the inner wall, located in the air cavity malovany limited by the rotor and the inner wall, and above the oil level, fill malovany and output edges of the piping adjacent to the outer wall, are located in the air cavity malovany limited by the rotor, the outer wall and the cover, and above the oil level, fill malovany, and the input ends of the pipes adjacent to the inner wall.

2. The hydro generator according to claim 1, characterized in that the flexible u-shaped pipes installed along the periphery of malovany in vertical radial planes passing between the supports of the segments.

3. The hydro generator according to claim 1, characterized in that the air cavity malovany limited by the rotor, the outer wall and the cover, and the air cavity malovany limited by the rotor and the inner wall are connected to each other via a flexible u-shaped pipes.