CN211706312U

CN211706312U - Safety ventilation device for gas turbine power plant

Info

Publication number: CN211706312U
Application number: CN201922461835.8U
Authority: CN
Inventors: 王兵
Original assignee: Datang Taizhou Thermoelectricity Co ltd
Current assignee: Datang Taizhou Thermoelectricity Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-20
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a safety ventilation device for a gas turbine power plant, which comprises a main shaft, wherein a guide vane is arranged on the main shaft; the two ends of the main shaft are respectively and rotatably arranged on the supporting frame; the filtering mechanism is arranged between the two supporting frames, an airflow channel is formed by the two supporting frames and the filtering mechanism, and the main shaft between the two supporting frames is arranged in the airflow channel. This gas turbine power plant uses safe ventilation unit has not only improved ventilation unit's assembly efficiency, has guaranteed the continuity of ventilation unit during operation, has strengthened ventilation unit's filter effect moreover.

Description

Safety ventilation device for gas turbine power plant

Technical Field

The utility model belongs to the technical field of ventilation unit, specifically speaking relates to a gas turbine power plant uses safe ventilation unit.

Background

Gas turbine power plants, generally refer to small and medium power plants that convert natural gas into electrical energy, and generally need to be provided with a certain ventilation device to ensure the personal safety of workers in order to ensure the cleanness and safety of the internal environment of the plant.

However, the existing safety ventilation device for the gas turbine power plant still has certain problems, and the specific problems are as follows:

1. common ventilation devices for power plants occupy a large area, and each component adopts a fixed mounting structure, so that not only is the installation troublesome, but also the later maintenance and cleaning are inconvenient;

2. in part of ventilation devices, the filtering structure is single, dust, particulate matters and the like in the internal and external environments of a factory building are difficult to effectively intercept and filter, and the practical effect is poor;

3. when the ventilating device is installed, part of the structure is located outdoors, and the filtering structure is easily influenced by a high-temperature environment to be damaged, so that the operation of the ventilating device is blocked.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming prior art's is not enough, provides a gas turbine power plant uses safe ventilation unit, possesses high and filter effect advantage such as strong of security when assembly efficiency is high, the operation for solve one above-mentioned technical problem at least.

In order to solve the technical problem, the utility model adopts the following basic concept:

there is provided a safety ventilation device for a gas turbine power plant, comprising

The main shaft is provided with guide vanes;

the two ends of the main shaft are respectively and rotatably arranged on the supporting frame;

the filtering mechanism is arranged between the two supporting frames, an airflow channel is formed by the two supporting frames and the filtering mechanism, and the main shaft between the two supporting frames is arranged in the airflow channel.

Furthermore, the filtering mechanism comprises at least two filtering units, a positioning frame is arranged between every two adjacent filtering units, and the positioning frame is annular and sleeved on the main shaft.

Furthermore, the filtering unit is in a hollow cylinder shape, one side of the filtering unit is detachably arranged on the supporting frame, and the other side of the filtering unit is detachably arranged on the positioning frame.

Further, the filter unit comprises at least one group of filter parts, and each filter part comprises at least one inner-layer filter part and at least one outer-layer filter part arranged on the outer side of the inner-layer filter part.

Further, a gap is arranged between the inner layer filtering part and the outer layer filtering part.

Further, the inner filtering portion comprises a first filter screen, a second filter screen and an adsorption layer which are sequentially arranged from inside to outside, and the outer filtering portion comprises an adsorption layer, a second filter screen and a first filter screen which are sequentially arranged from inside to outside.

Further, the gap is arranged between the adsorption layer of the inner-layer filtering part and the adsorption layer of the outer-layer filtering part.

Furthermore, a flange plate is sleeved on the outer side of the positioning frame, and a through hole is formed in the flange plate.

Furthermore, the main shaft both ends that are located the support frame outside all are equipped with the bearing frame, two one side of bearing frame all through the connecting piece with the connection can be dismantled to the support frame.

Furthermore, the main shaft is a hollow shaft, a water supply channel is arranged in the hollow shaft, the water supply channel is communicated with a porous spray head, and the porous spray head is positioned on the main shaft between two adjacent guide vanes.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:

1. the safe ventilation device for the gas turbine power plant is convenient for the disassembly and the assembly of the filtering mechanism through the sleeving structure of the positioning frame and the supporting frame on the main shaft, the bearing seats are in threaded connection with the supporting frame through bolts, the bearing seats are all of combined mounting structures, the rotary connection of the main shaft is realized, and the ventilation device is integrally fixed through the threaded through holes in the flange plate, so that the assembly efficiency of the ventilation device is improved;

2. the safe ventilation device for the gas turbine power plant is used for fully filtering gas through the filter screen and the adsorption layer of the filter mechanism, the filter mechanism is of a double-layer hollow structure, and the inner layer and the outer layer of the filter mechanism are distributed oppositely, so that the filter effect of the ventilation device is enhanced;

3. this gas turbine is safety ventilation unit for power plant through equidistant welding guide vane on the lateral wall of main shaft for convulsions to through set up water supply channel in the inside of main shaft, water supply channel communicates each other with the end of water injection pipe, porous shower nozzle respectively, is used for forming the water film, and the cooling is fire-retardant, thereby has guaranteed the continuity when ventilation unit moves.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a first schematic structural diagram of a safety ventilation device for a gas turbine power plant of the present invention;

fig. 2 is a schematic structural diagram of the safety ventilation device for the gas turbine power plant of the present invention.

In the figure:

1. a main shaft; 2. a filtration unit; 201. a first filter screen; 202. a second filter screen; 203. an adsorption layer; 3. a positioning frame; 4. a support frame; 5. a motor; 6. a bearing seat; 7. a bearing; 8. a connecting member; 9. a flange plate; 10. an annular sinking groove; 11. a through hole; 12. a water injection pipe; 13. a water supply channel; 14. a porous showerhead; 15. a guide vane.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "left", "right", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1, the utility model provides a gas turbine power plant uses safe ventilation unit, including main shaft 1, support frame 4 and locating rack 3, wherein, be provided with guide vane 15 on main shaft 1, guide vane 15 is fixed to be set up on the outer periphery of main shaft 1, support frame 4 cover is established at the both ends of main shaft 1, just main shaft 1 with support frame 4 swing joint; the positioning frame 3 is sleeved in the middle of the main shaft 1; the filtering mechanism is arranged between the two support frames 4, an air flow channel 16 is enclosed between the two support frames 4 and the filtering mechanism, and the main shaft 1 positioned between the two support frames 4 is arranged in the air flow channel 16.

The utility model discloses set up locating rack 3 at 1 cover of main shaft, and install the left side at locating rack 3 with 2 detachable of one of them set of filter unit, install another set of filter unit 2 detachable on the right side of locating rack 3, then establish the both ends at main shaft 1 with 4 covers of support frame, and can dismantle with filter unit 2 and be connected, main shaft 1 can be rotatory on support frame 4, the air inlet has been seted up on one of them support frame 4, the gas outlet has been seted up on another support frame 4, drive guide vane 15 synchronous revolution when main shaft 1 is rotatory, take out the inside gas of factory building to the external world.

Wherein, filtering mechanism includes two at least filter unit 2, is provided with locating rack 3 between two adjacent filter unit 2, locating rack 3 is annular and overlaps and establish on main shaft 1. The filtering unit 2 is in a hollow cylinder shape, one side of the filtering unit 2 is detachably arranged on the supporting frame 4, and the other side of the filtering unit 2 is detachably arranged on the positioning frame 3.

The main shaft 1 can rotate relative to the two support frames 4; the two ends of the main shaft 1 positioned outside the support frame 4 are respectively sleeved with a bearing seat 6, a bearing 7 is arranged in each bearing seat 6, and one side of each bearing seat 6 is detachably connected with the support frame 4 through a connecting piece 8. The other side of 6 of one of them bearing frame is connected with motor 5, motor 5 with an end connection of main shaft 1, wherein, bearing 7 is double-row cylindrical bearing, double-row cylindrical bearing cover is established and is located the main shaft 1's in the support frame 4 outside both ends, and with main shaft 1 rolling connection. The connecting piece 8 is the bolt, two one side of bearing frame 6 all through the bolt with 4 threaded connection of support frame, one of them the opposite side fixed connection of bearing frame 6 motor 5, motor 5 pass through the shaft coupling with a tip of main shaft 1 is connected, and this motor 5's model can be Y90S, and the motor of other models certainly also can be time, as long as can realize driving main shaft 1 pivoted purpose can, no longer describe here any more, makes bearing frame 6 and 4 threaded connection of support frame through the bolt, realizes the rotation of main shaft 1.

Further, a flange plate 9 is sleeved on the outer side of the positioning frame 3, a through hole 11 is formed in the flange plate 9, and the through hole 11 is a threaded through hole; an annular sinking groove 10 is formed in the center of the outer side wall of the flange plate 9; the section of the annular sinking groove 10 is of a semicircular structure for auxiliary positioning; through the heavy groove 10 of annular, screw thread through-hole on flange plate 9 for holistic fixed to ventilation unit's assembly efficiency has been improved, the utility model discloses a locating rack 3, support frame 4 the suit structure on main shaft 1, the filter unit 2's of being convenient for dismouting.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail through specific assembling methods.

According to the attached figure 1, firstly, a positioning frame 3 is sleeved on the middle part of a main shaft 1, one set of filter unit 2 is detachably arranged on the left side of the positioning frame 3, the other set of filter unit 2 is detachably arranged on the right side of the positioning frame 3, then the supporting frames 4 are sleeved at the two ends of the main shaft 1 and detachably connected with the filtering unit 2, the main shaft 1 is horizontally arranged, then two ends of the main shaft 1 are sleeved with a double-row cylindrical bearing 7 and a bearing seat 6, the bearing seat 6 is in threaded connection with the support frame 4 through a bolt 8, the two ends of the main shaft 1 form a rotary connection structure, and finally the flange plate 9 is integrally embedded on the wall through the annular sunken groove 10 and the threaded through hole 11 on the flange plate 9, the two sets of filter units 2 are respectively positioned on the inner side and the outer side of a plant, and the safe ventilation device for the gas turbine power plant improves the assembly efficiency of the ventilation device.

Example one

As shown in fig. 1, this embodiment is a further limitation of the above embodiment, the number of the filter units 2 is at least two, one set of the filter units 2 is detachably disposed between the left support frame 4 and one side of the positioning frame 3, and the other set of the filter units 2 is detachably disposed between the right support frame 4 and the other side of the positioning frame 3, wherein the detachable installation may be a snap connection, for example, an annular snap groove matched with the filter units 2 is disposed on the positioning frame 3 and the support frame 4, the filter units 2 are directly plugged into the annular snap groove, or of course, the filter units 2 may be detachably connected in other manners, as long as the purpose of the present application that the filter units 2 are detachable is achieved, and will not be described herein, the two sets of the filter units 2 are separated by the positioning frame 3, and form two left airflow channels and right airflow channels which are communicated with each other, the main shaft 1 between the two support frames 4 is arranged in the airflow channel 16, and the main shaft 1 drives the guide vanes 15 to synchronously rotate when rotating, so that substances in the air are filtered, and a better filtering effect is achieved.

Example two

The present embodiment is different from the first embodiment in that: the quantity of filter unit 2 is one set, one set filter unit 2 detachable sets up on the left support frame 4 and right side between the

support frame

4, 3 covers of locating rack establish at the outside middle part of filter unit 2, and filter unit 2 forms an airflow channel 16 that is used for the air current circulation with two support frames 4, is located main shaft 1 between two support frames 4 in airflow channel 16, drives guide vane 15 synchronous revolution when main shaft 1 is rotatory to take out the interior gas in the factory building in airflow channel 16, filter through filter unit 2, arrange outside the factory building.

EXAMPLE III

As shown in fig. 1, this embodiment is a further limitation of the above embodiment, and the filter unit 2 includes at least one set of filter parts, and the filter parts include at least one inner filter part and at least one outer filter part disposed outside the inner filter part. A gap 204 is arranged between the inner layer filtering part and the outer layer filtering part for enhancing the filtering effect.

The inner filtering portion comprises a first filter screen 201, a second filter screen 202 and an adsorption layer 203 which are sequentially arranged from inside to outside, and the outer filtering portion comprises an adsorption layer 203, a second filter screen 202 and a first filter screen 201 which are sequentially arranged from inside to outside. The gap 204 is provided between the adsorption layer 203 of the inner filter part and the adsorption layer 203 of the outer filter part.

Wherein, first filter screen 201 is metal filters, and metal filters not only can play coarse filtration's effect, can also play the supporting role simultaneously, and second filter screen 202 is the aluminium foil filter screen, and adsorbed layer 203 is the molecular sieve, metal filters's surface covering the aluminium foil filter screen, paint on the surface of aluminium foil filter screen the molecular sieve for carry out abundant filtration to gas.

Example four

As shown in fig. 1 and fig. 2, this embodiment is a further limitation of the above embodiment, the main shaft 1 is a hollow shaft, a water supply channel 13 is arranged inside the hollow shaft, a porous spray head 14 is communicated with the water supply channel 13, the porous spray head 14 is located on the main shaft 1 between two adjacent guide vanes 15, the guide vanes 15 are helical vanes, the helical vanes are spirally arranged on the outer surface of the main shaft 1, and the porous spray head 14 is arranged on the main shaft 1 between the vanes of two adjacent helical vanes; the helical blade is welded on the outer surface of the main shaft 1 in a helical shape. Furthermore, one end of the water supply channel 13 is connected with a water injection pipe 12, the other end of the water supply channel 13 is sealed, and the porous spray head 14 is communicated with the water supply channel 13; the water supply passage 13 is a water supply pipe for communicating with the porous nozzle 14 to spray water mist.

In the use, motor 5 circular telegram starts and the uniform velocity of direct drive main shaft 1 rotates, then the helical blade synchronous revolution on the main shaft 1, take out the inside gas of factory building to the external world, as shown according to figure 2, water injection pipe 12 lasts the inside water delivery to water supply channel 13, then through the outside blowout water smoke of porous shower nozzle 14 of equiangular distribution, then form the water film on the inside wall of filter equipment 2 at rotatory in-process, be used for rapid cooling and attract fine dust, avoid ventilation unit to lead to the operation to be obstructed because of high temperature in lasting working process. In addition, as shown in fig. 1, a metal filter screen, an aluminum foil filter screen and a molecular sieve are respectively arranged inside the inner and outer layers of the filter unit 2 and are used for fully filtering and adsorbing stains in gas and sewage, so that the actual effect of the filter unit 2 is greatly enhanced, and the ventilation work of the safety ventilation device for the gas turbine power plant is finally completed.

In conclusion, the safe ventilation device for the gas turbine power plant not only improves the assembly efficiency of the ventilation device, ensures the continuity of the ventilation device during operation, but also enhances the filtering effect of the ventilation device.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. The utility model provides a gas turbine power plant uses safe ventilation unit which characterized in that: comprises that

The main shaft is provided with guide vanes;

2. The safety vent for a gas turbine power plant according to claim 1, wherein: the filtering mechanism comprises at least two filtering units, a positioning frame is arranged between every two adjacent filtering units, and the positioning frame is annular and sleeved on the main shaft.

3. The safety vent for a gas turbine power plant according to claim 2, wherein: the filter unit is in a hollow cylinder shape, one side of the filter unit is detachably arranged on the support frame, and the other side of the filter unit is detachably arranged on the positioning frame.

4. The safety vent for a gas turbine power plant according to claim 3, wherein: the filter unit comprises at least one group of filter parts, and each filter part comprises at least one inner-layer filter part and at least one outer-layer filter part arranged on the outer side of the inner-layer filter part.

5. The safety vent for a gas turbine power plant according to claim 4, wherein: a gap is arranged between the inner layer filtering part and the outer layer filtering part.

6. The safety vent for a gas turbine power plant according to claim 5, wherein: the inner filtering portion comprises a first filter screen, a second filter screen and an adsorption layer which are sequentially arranged from inside to outside, and the outer filtering portion comprises an adsorption layer, a second filter screen and a first filter screen which are sequentially arranged from inside to outside.

7. The safety vent for a gas turbine power plant according to claim 6, wherein: the gap is arranged between the adsorption layer of the inner layer filtering part and the adsorption layer of the outer layer filtering part.

8. The safety vent for a gas turbine power plant according to claim 3, wherein: the outer side of the positioning frame is sleeved with a flange plate, and a through hole is formed in the flange plate.

9. The safety vent for a gas turbine power plant according to claim 8, wherein: the main shaft both ends that are located the support frame outside all are equipped with the bearing frame, two one side of bearing frame all through the connecting piece with the connection can be dismantled to the support frame.

10. The safety vent for a gas turbine power plant according to claim 9, wherein: the main shaft is a hollow shaft, a water supply channel is arranged in the hollow shaft, the water supply channel is communicated with a porous spray head, and the porous spray head is positioned on the main shaft between two adjacent guide vanes.