CN212337389U

CN212337389U - Air cooling and dehumidifying structure of turbine

Info

Publication number: CN212337389U
Application number: CN202020538678.6U
Authority: CN
Inventors: 王洪昌
Original assignee: Dongguan Jinzhou Paper Industry Co ltd
Current assignee: Dongguan Jinzhou Paper Industry Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2021-01-12
Anticipated expiration: 2030-04-13

Abstract

The utility model belongs to the technical field of turbomachines, in particular to an air cooling and dehumidifying structure of a turbomachines, which comprises an air outlet pipeline and an air inlet pipeline which are fixedly arranged on a turbomachine shell, wherein an air exhauster is arranged at the tail end of the air outlet pipeline, a heating component and a filtering component are fixedly arranged on the air inlet pipeline, two groups of heating components are arranged, and the filtering component is positioned between the two groups of heating components; the utility model can filter the sucked air, avoid the dust accumulation inside the turbine and ensure the normal work of the turbine; the heating assembly heats the air pumped into the air inlet pipeline, and can gradually dry the damp filtering assembly, ensure the filtering effect of the filtering assembly and reduce the residual moisture in the air inlet pipeline and the air outlet pipeline; moisture in the turbine can be gradually dried, so that the coil insulation is improved, and the short circuit or the ground fault of the turbine is avoided; the dehumidification can be carried out on metals in the air inlet pipeline and the air outlet pipeline and on the metal such as a rotor of a turbine, so that the metal is prevented from rusting, and the service life of the whole body is prolonged.

Description

Air cooling and dehumidifying structure of turbine

Technical Field

The utility model belongs to the technical field of the turbine, specifically relate to an air-cooling and dehumidification structure of turbine.

Background

The turbine has large running current and high frequency, so that the temperature of a machine body is high during running, the turbine is cooled by an air cooling mode in the prior art, namely, an air inlet and an air outlet are formed in a casing and an air inlet and outlet pipeline is installed on the casing, air flows between the casing and a coil, and therefore the turbine is cooled, and when the turbine is stopped for maintenance or long-time shutdown, particularly in rainy days, moisture or vapor in the air can enter the turbine along the air outlet pipeline, so that the insulation or ground fault of the turbine is easily caused, and the turbine is further burnt by short circuit.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an air-cooling and dehumidification structure of turbine.

The utility model provides an air-cooling and dehumidification structure of turbine, is including fixed air-out pipeline and the intake stack that sets up on turbine housing, and the air exhauster is installed to air-out pipeline end, and the last fixed heating element and the filter assembly that is provided with of intake stack, heating element have two sets ofly, and the filter assembly is located between two sets of heating element.

Furthermore, the air inlet pipeline comprises a first air inlet pipe and a second air inlet pipe, the filtering component is arranged between the first air inlet pipe and the second air inlet pipe, and the two groups of heating components are respectively arranged in the first air inlet pipe and the second air inlet pipe.

Furthermore, one end of the first air inlet pipe, which is far away from the filter assembly, is bent downwards.

Furthermore, the single-group heating assembly comprises a plurality of thin pipes and a plurality of heating rods, the thin pipes are transversely and fixedly arranged in the air inlet pipeline, and the heating rods are arranged in the thin pipes in a one-to-one correspondence mode.

Furthermore, the filter assembly comprises a filter box and a plurality of filter screens which are detachably arranged in the filter box.

Furthermore, a plurality of mounting blocks are fixedly arranged on two opposite sides in the filter box, slots are formed in the mounting blocks, and the filter screens are correspondingly inserted into the slots in the mounting blocks.

Furthermore, the lower ends of the filter screens are obliquely arranged towards the direction of the turbine.

Furthermore, the filter screens are in a wave-shaped bent shape.

The utility model has the advantages that the air pumped in can be filtered by arranging the filtering component, thereby avoiding the dust accumulation in the turbine and ensuring the normal work of the turbine; when the machine is stopped for maintenance or stopped for a long time, the heating assembly heats the air pumped into the air inlet pipeline, the damp filtering assembly can be gradually dried, the filtering effect of the filtering assembly is ensured, and the residual moisture in the air inlet pipeline and the air outlet pipeline is reduced; the heated air can gradually dry moisture in the turbine, so that the insulation of the coil is improved, and the short circuit or the ground fault of the turbine is avoided; the heated air can dehumidify metals in the air inlet pipeline and the air outlet pipeline and the rotor of the turbine, so that the metals are prevented from rusting, and the service life of the whole body is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work according to the drawings:

the attached drawing is the structure schematic diagram of the utility model.

Fig. 1 is a schematic view of an air cooling and dehumidifying structure of a turbine according to the present invention.

Fig. 2 is a schematic view of a first air inlet pipe in an air cooling and dehumidifying structure of a turbine according to the present invention.

Fig. 3 is a schematic diagram of the turbine after the top cover is removed from the filter box in the air cooling and dehumidifying structure.

Fig. 4 is a cross-sectional view of a filter assembly in an air cooling and dehumidifying structure of a turbine according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, the present invention provides an air cooling and dehumidifying structure of a turbine, which comprises an air outlet pipeline 20 and an air inlet pipeline 30 fixedly disposed on a casing of the turbine 10, wherein an exhaust fan 21 is installed at the end of the air outlet pipeline 20, the exhaust fan 21 sucks air along the air inlet pipeline 30, the air flows in the casing of the turbine 10 and then is drawn out along the air outlet pipeline 20, thereby cooling the turbine 10 by air cooling, a heating component 40 and a filtering component 50 are fixedly disposed on the air inlet pipeline 30, the heating component 40 is used for heating the air sucked into the air inlet pipeline 30, the filtering component 50 is used for filtering the air sucked into the air inlet pipeline 30, thereby preventing dust accumulation inside the turbine 10, and ensuring normal operation of the turbine 10, the heating components 40 are two groups, the filtering component 50 is disposed between the two groups of heating components 40, when the air is extracted by the air extractor 21, the air flows in the air inlet pipeline 30 and passes through the first group, Filtering component 50 and second group heating element 40, first heating element 40 is used for preheating the air, make the air can dry filtering component 50 gradually when filtering component 50, avoid filtering component 50 humidity, and then guarantee filtering component 50's filter effect, second group heating element 40 is used for carrying out the secondary heating to the air, avoid the air to reduce through filtering component 50 back temperature, in order to guarantee the temperature of the air that gets into in the turbine 10 casing, with the moisture in the stoving turbine 10 casing.

The utility model provides an air cooling and dehumidification structure of turbine, when turbine 10 worked, taken air along inlet line 30 suction through air exhauster 21, air was taken out along air-out pipeline 20 after flowing in turbine 10 casing to carry out the forced air cooling to turbine 10, filter assembly 50 can filter the air of being taken in, avoids avoiding turbine 10 inside laying dust, guarantees the normal work of turbine 10; when the machine is stopped for maintenance or long-time machine halt, the air pumped into the air inlet pipeline 20 is heated by the heating assembly 40, and the heated air can gradually dry the damp filter assembly 50, so that the filtering effect of the filter assembly 50 is ensured, and the residual moisture in the air inlet pipeline 30 and the air outlet pipeline 20 is reduced; and the heated air can gradually dry the moisture inside the turbine 10, thereby improving the coil insulation and avoiding the short circuit or the ground fault of the turbine; the heated air can dehumidify the metal in the air inlet pipeline 30 and the air outlet pipeline 20 and the metal such as the rotor of the turbine 10, etc., so as to prevent the metal from rusting and prolong the service life of the whole body.

The air inlet duct 30 comprises a first air inlet duct 31 and a second air inlet duct 32, the filter assembly 50 is installed between the first air inlet duct 31 and the second air inlet duct 32, two groups of heating assemblies 40 are respectively arranged in the first air inlet duct 31 and the second air inlet duct 32, one end of the first air inlet duct 31, which is far away from the filter assembly 50, is arranged in a downward bending manner, the first air inlet duct 31 is arranged in a downward bending manner, and therefore water entering the first air inlet duct 31 from the upper side or the side in the working environment of the turbine 10 can be avoided.

The single group of heating assemblies 40 comprise a plurality of thin tubes 41 and a plurality of heating rods 42, the heating rods 42 in the two groups of heating assemblies 40 are electrically connected with an external power supply device or a control device, the thin tubes 41 are transversely and fixedly arranged in the air inlet pipeline 30, the thin tubes 41 in the two groups of heating assemblies 40 are respectively and fixedly arranged in one ends, close to the filtering assembly 50, of the first air inlet pipe 31 and the second air inlet pipe 32, the distribution of the thin tubes 41 on the first air inlet pipe 31 and the second air inlet pipe 32 is shown in fig. 2, and intervals are arranged among the thin tubes 41 in each group for air to pass through; the plurality of heating rods 42 are arranged in the plurality of tubules 41 in a one-to-one correspondence manner, namely, one heating rod 42 is arranged in one tubule 41, heat is generated when the heating rod 42 is electrified, and the heat on the surface of the tubule 41 is taken away when air flows through, so that the air is heated.

The filtering assembly 50 comprises a filtering box 51 and a plurality of filtering nets 52 detachably arranged in the filtering box 51, wherein the top of the filtering box 51 is fixed with a top cover through screws, two opposite sides of the filtering box 51 are respectively provided with an inlet 511 and an outlet 512, a first air inlet pipe 31 and a second air inlet pipe 32 are respectively fixed at two sides of the filtering box 51 and are respectively communicated with the inlet 511 and the outlet 512, specifically, two opposite sides of the inner wall of the filtering box 51 are fixedly provided with a plurality of mounting blocks 513, one side of each mounting block 513 is provided with a slot 514, a single filtering net 52 corresponds to two mounting blocks 513, the plurality of filtering nets 52 are correspondingly inserted into the slots 514 on the mounting blocks 513, the two sides of the frame of the single filter screen 52 are respectively inserted into the slots 514 on the two mounting blocks 513, the filter screen 52 is installed by means of the slot 514, so that the filter screen 52 can be replaced or cleaned more conveniently and quickly.

A plurality of installation pieces 513 incline and fix on the filter cartridge 51 inner wall, specifically the lower extreme of installation piece 513 inclines towards the direction of turbine 10, the direction slope of left below in fig. 1 promptly for a plurality of filter screen 52 lower extreme inclines towards the direction of turbine 10 and sets up filter screen 52 through the slope, part dust on the filter screen 52 can drop to the filter cartridge 51 under the action of gravity, can reduce the accumulation of dust on the filter screen 52, and then can reduce the frequency of clearing up filter screen 52, reduce the cost of labor.

The filter screens 52 are in a wave-shaped bent shape, and the filter screens 52 are arranged in a wave shape, so that the ventilation area can be increased, the ventilation resistance is reduced, air can pass through more smoothly, and the air inlet volume can be ensured while air is filtered.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides an air-cooling and dehumidification structure of turbine, is including fixed air-out pipeline and the intake stack that sets up on turbine housing, the air exhauster is installed to air-out pipeline end, characterized by, fixed heating element and the filter assembly of being provided with on the intake stack, heating element has two sets ofly, the filter assembly is located two sets ofly between the heating element.

2. The air cooling and dehumidifying structure of a turbine according to claim 1 wherein said air supply duct comprises a first air supply duct and a second air supply duct, said filter assembly is installed between said first air supply duct and said second air supply duct, and said two sets of said heating assemblies are respectively provided in said first air supply duct and said second air supply duct.

3. The air cooling and dehumidifying structure of a turbine according to claim 2 wherein an end of said first air inlet pipe remote from said filter unit is bent downward.

4. The air cooling and dehumidifying structure of a turbine according to claim 1 wherein a single set of said heating units comprises a plurality of fine pipes and a plurality of heating rods, wherein said plurality of fine pipes are transversely and fixedly disposed in an air inlet duct, and said plurality of heating rods are disposed in a one-to-one correspondence with said plurality of fine pipes.

5. The air cooling and dehumidifying structure of a turbine according to claim 1 wherein said filter unit comprises a filter case and a plurality of filter nets detachably provided in the filter case.

6. The air cooling and dehumidifying structure of a turbine according to claim 5, wherein a plurality of mounting blocks are fixedly provided on opposite sides in the filter case, a plurality of slots are formed in each of the mounting blocks, and a plurality of filter screens are correspondingly inserted into the slots formed in the mounting blocks.

7. The air cooling and dehumidifying structure of a turbine according to claim 5, wherein lower ends of the plurality of filter screens are inclined in a direction of the turbine.

8. The air cooling and dehumidifying structure of a turbine according to claim 5, wherein the plurality of filter meshes are formed in a wave-like curved shape.