CN113577935B - Particle trapping and recycling device - Google Patents
Particle trapping and recycling device Download PDFInfo
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- CN113577935B CN113577935B CN202110841053.6A CN202110841053A CN113577935B CN 113577935 B CN113577935 B CN 113577935B CN 202110841053 A CN202110841053 A CN 202110841053A CN 113577935 B CN113577935 B CN 113577935B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/103—Curved filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a particle trapping and recovering device, which comprises an L-shaped pipe; the L-shaped pipe is internally provided with a first filter screen, the first filter screen is driven to rotate by a double-shaft motor, the double-shaft motor simultaneously drives a second lug to do amplitude motion to knock the first filter screen, and a collecting barrel is arranged at the position, right opposite to the first filter screen, below the L-shaped pipe. The steam turbine main steam regulating valve has the advantages of simple structure, multiple functions and strong practicability, can realize the trapping of particles in a steam pipeline, effectively prevents serious erosion damage (SPE) of through-flow components such as a main steam regulating valve, a regulating stage nozzle, a reheating stage nozzle, a movable blade, a shroud band, a steam seal and the like of the steam turbine, realizes a protection effect, can realize a supporting effect while knocking the first filter screen, effectively prevents the first filter screen from being blocked, prolongs the service life and meets the use requirement.
Description
Technical Field
The invention relates to a particle trapping and recovering device.
Background
In a steam pipeline of a thermal power plant, the improvement of primary temperature and primary pressure of main steam can obviously reduce the heat consumption rate of a coal-fired unit and improve the power generation efficiency, however, along with the improvement of primary parameters of the steam, the high-temperature oxidation of the inner walls of a boiler and the steam pipeline is intensified, the stress in an oxidation film on the inner wall of the pipeline is rapidly increased in the starting and stopping stage of the unit or the frequent variable load peak-shaving operation of the unit, and further the large-scale cracking is generated, oxide skin particles generated in the process are carried by the steam to enter a steam turbine, so that serious erosion damage (SPE) is caused to flow-through parts such as a main throttle valve, a regulating stage nozzle, a reheating stage nozzle, a movable vane, a shroud, a steam seal and the like of the steam turbine, the economic advantage brought by the improvement of the primary parameters of the unit is greatly reduced, in addition, part of the oxide skin particles entering the steam turbine are accumulated on the inner surface of the movable vane shroud under the comprehensive action of centrifugal force and high temperature, so that the flow-through-flow capacity of the unit is reduced, and the hidden trouble is brought to the safe operation of the unit.
Disclosure of Invention
In order to solve the technical problems, the invention provides a particle trapping and recovering device which is simple in structure, multifunctional and strong in practicability, can trap particles in a steam pipeline, effectively prevents serious erosion damage (SPE) of flow-through parts such as a main steam regulating valve, a regulating stage and reheating stage nozzle, a movable blade, a shroud and a gland seal of a steam turbine and achieves a protection effect.
The invention is realized by the following technical scheme.
The invention provides a particle trapping and recovering device, which comprises an L-shaped pipe; the L-shaped pipe is internally provided with a first filter screen, the first filter screen is driven to rotate by a double-shaft motor, the double-shaft motor simultaneously drives a second lug to do amplitude motion to knock the first filter screen, and a collecting barrel is arranged at the position, right opposite to the first filter screen, below the L-shaped pipe.
The rotation axis of biax motor power take off meshes the transmission step by step through second gear, third gear, first gear, and first gear drives the disc through violently managing the axle and rotates, has the connecting rod on the disc, and first filter screen is installed on the connecting rod.
The number of teeth of the second gear, the third gear and the first gear is increased step by step.
The rotating shaft of the power output of the double-shaft motor is meshed with and drives a third gear through a second gear, the third gear coaxially drives the rotating disc through the T-shaped rod, a third bump on the rotating disc drives the first bump to vibrate, the first bump coaxially drives the slide rod to axially move, and the slide rod connecting rod drives the second bump.
The second bump is arranged at the front end of the multi-section telescopic rod, a second spring is sleeved on the multi-section telescopic rod, the multi-section telescopic rod is arranged on the first sliding rod, and the first sliding rod is coaxial with the sliding rod.
The sliding rod is provided with a ball, the ball is provided with a hinged rod, and the other end of the hinged rod is arranged on the second bump.
The third lugs on the rotating disk are distributed in a semicircle, and the other semicircle on the rotating disk is provided with a whole sliding rail.
The bottom of the L-shaped pipe is provided with an arc-shaped pipe communicated to the collecting barrel, and the bottom of the arc-shaped pipe is provided with a discharging pipe.
And a second filter screen is arranged in the arc-shaped pipe.
The invention has the beneficial effects that: simple structure, the function is various, and the practicality is strong, can realize carrying out the entrapment to the granule in the steam conduit, effectively prevents that through-flow parts such as steam turbine main governing valve, regulation level and reheat stage nozzle, movable vane, shroud and vapor seal from taking place serious erosion destruction (SPE), realizes the guard action, and can realize playing the supporting role when beating to first filter screen, improves life when effectually preventing first filter screen blocking, satisfies the user demand.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic view of the internal structure of FIG. 2;
FIG. 4 is a top view of the partial internal structure of FIG. 2;
fig. 5 is a partial left side view of fig. 2.
In the figure: 1-an L-shaped tube, 2-a sliding rod, 3-a first stop, 4-a first projection, 5-a first slide, 6-a first sliding rod, 7-a first spring, 8-a ball, 9-a plurality of telescopic rods, 10-a second projection, 11-a second spring, 12-an articulated rod, 13-a transverse tube, 14-a first gear, 15-a third spring, 16-a limit ring, 17-a sealing ring, 18-a disc, 19-an L-shaped plate, 20-a connecting rod, 21-a first filter screen, 22-a riser, 23-a cover body, 24-a diagonal rod, 25-a collecting bucket, 26-a second stop, 27-an arc tube, 28-a discharge tube, 29-a second filter screen, 30-a valve, 31-a biaxial motor, 32-rotating shaft, 33-second gear, 34-vertical rod, 35-barrel, 36-T-shaped rod, 37-third gear, 38-rotating disk, 39-third lug, 40-sliding rail and 51-sliding groove.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
Example 1
A particle trapping and recovering device as shown in fig. 1 to 5, comprising an L-shaped pipe 1; first filter screen 21 is equipped with in the L venturi tube 1, and first filter screen 21 is driven rotatoryly by biax motor 31, and biax motor 31 drives second lug 10 simultaneously and makes amplitude motion and strike first filter screen 21, and collecting vessel 25 is equipped with to the position of first filter screen 21 just below the L venturi tube 1.
Example 2
Based on embodiment 1, the rotating shaft 32 of the power output of the dual-shaft motor 31 is in stepwise meshing transmission through the second gear 33, the third gear 37 and the first gear 14, the first gear 14 coaxially drives the disc 18 to rotate through the transverse pipe 13, the disc 18 is provided with the connecting rod 20, and the first filter screen 21 is installed on the connecting rod 20.
Example 3
According to embodiment 2, the numbers of teeth of the second gear 33, the third gear 37, and the first gear 14 are increased step by step.
Example 4
Based on the embodiment 1, the rotating shaft 32 of the power output of the dual-shaft motor 31 is meshed with and drives the third gear 37 through the second gear 33, the third gear 37 coaxially drives the rotating disc 38 through the T-shaped rod 36, the third lug 39 on the rotating disc 38 drives the first lug 4 to vibrate, the first lug 4 coaxially drives the sliding rod 2 to move axially, and the sliding rod 2 is connected with the second lug 10.
Example 5
Based on the embodiment 4, the second protrusion 10 is installed at the front end of the multi-section telescopic rod 9, the multi-section telescopic rod 9 is sleeved with the second spring 11, the multi-section telescopic rod 9 is installed on the first sliding rod 6, and the first sliding rod 6 is coaxial with the sliding rod 2.
Example 6
According to the embodiment 4, the sliding rod 2 is provided with the ball 8, the ball 8 is provided with the hinge rod 12, and the other end of the hinge rod 12 is arranged on the second lug 10.
Example 7
Based on embodiment 4, the third protrusions 39 on the rotating disc 38 are distributed in a semicircle, and the entire slide rail 40 is located at another semicircle position on the rotating disc 38.
Example 8
Based on the embodiment 1, the bottom of the L-shaped pipe 1 is provided with an arc pipe 27 communicated to the collecting barrel 25, and the bottom of the arc pipe 27 is provided with a discharging pipe 28.
Example 9
In accordance with embodiment 8, and the arced tube 27 has a second filter 29 mounted therein.
Example 10
Based on the above embodiment, specifically, the device comprises an L-shaped tube 1, two sliding rods 2 are symmetrically arranged in the L-shaped tube 1, one end of each sliding rod 2 is fixedly connected with a first stop block 3, the cross section of each sliding rod 2 is circular, one end of each sliding rod 2 penetrates through the L-shaped tube 1 and is fixedly connected with a first bump 4, the shape of each first bump 4 is hemispherical, the side wall of each sliding rod 2 is provided with a sliding groove 2-1, a first sliding block 5 is arranged in each sliding groove 2-1 in a fitting and sliding manner, the cross section of each first sliding block 5 is square, the side wall of each first sliding block 5 is fixedly connected with a first sliding rod 6, the other end of each first sliding rod 6 sequentially penetrates through the two first stop blocks 3 and penetrates into the other sliding groove 2-1 to be fixedly connected with the side wall of the other first sliding block 5, the first sliding rod 6 is slidably connected with the first stop block 3, a first spring 7 is arranged in each sliding groove 2-1, each first spring 7 is a compression spring, and a ball 8 is rotatably embedded in the side wall of each first sliding rod 6 in a fitting manner, the side wall of a first sliding rod 6 is fixedly connected with a multi-section telescopic rod 9, the other end of the multi-section telescopic rod 9 is fixedly connected with a second lug 10, a second spring 11 is sleeved on the multi-section telescopic rod 9, the second spring 11 is a compression spring, one end of a ball 8 is fixedly connected with an articulated rod 12, the other end of the articulated rod 12 is articulated with the side wall of the second lug 10, a transverse pipe 13 is fitted on a sliding rod 2 in a rotating manner, one end of the transverse pipe 13 penetrates through an L-shaped pipe 1 and is fixedly connected with a first gear 14, the side wall of the first gear 14 is fitted with the side wall of the L-shaped pipe 1, a third spring 15 is sleeved on the sliding rod 2, the third spring 15 is arranged between the first lug 4 and the first gear 14 and is a compression spring, the transverse pipe 13 is rotatably connected with the L-shaped pipe 1, a limit ring 16 is fixedly sleeved on the transverse pipe 13, the inner side wall of the limit ring 16 is fitted with the inner side wall of the L-shaped pipe 1, a sliding seal ring 17 is fitted on the transverse pipe 13, and the side wall of the seal ring 17 is fitted with the inner side wall of the L-shaped pipe 1, the other end of the transverse pipe 13 is fixedly connected with a disc 18, the disc 18 is arranged in a transverse pipe of an L-shaped pipe 1, the bottom surface of a first lug 4 is fixedly connected with an L-shaped plate 19, a plurality of connecting rods 20 are fixedly connected between the two discs 18 in an annular manner, a first filter screen 21 is fixedly connected between the adjacent connecting rods 20, one end of a second lug 10 is attached to the side wall of the first filter screen 21, the side wall of the first filter screen 21 is fixedly connected with the side wall of the disc 18, the top surface of the transverse pipe of the L-shaped pipe 1 is symmetrically and fixedly connected with two vertical plates 22, the top surface of the two vertical plates 22 is fixedly connected with a cover body 23, the bottom surface of the cover body 23 is symmetrically and fixedly connected with a plurality of inclined rods 24, the bottom ends of the plurality of inclined rods 24 are fixedly connected with a collecting barrel 25, the collecting barrel 25 is arranged under the L-shaped pipe 1, the side wall of the collecting barrel 25 is hinged with a barrel door, the transverse plate 19 is attached to the top surface of the collecting barrel 25, and two second blocks 26 are symmetrically and fixedly connected in the transverse pipe of the L-shaped pipe 1, the disc 18 is arranged between the two second stoppers 26 and is attached to the surface of the two second stoppers, the bottom surface of the L-shaped pipe 1 is fixedly communicated with an arc-shaped pipe 27, the other end of the arc-shaped pipe 27 is fixedly communicated with the bottom surface of the L-shaped pipe 1, the bottom end of the arc-shaped pipe 27 is fixedly communicated with a discharge pipe 28, the collecting barrel 25 is arranged under the discharge pipe 28 and is communicated with the discharge pipe, a second filter screen 29 is fixedly connected in the arc-shaped pipe 27, the side wall of the arc-shaped pipe 27 is fixedly connected with a valve 30, the top surface of the horizontal pipe of the L-shaped pipe 1 is fixedly connected with a double-shaft motor 31, the double-shaft motor 31 is electrically connected with a controller, the output end of the double-shaft motor 31 passes through a vertical plate 22 and is fixedly connected with a rotating shaft 32, the double-shaft motor 31 is arranged between the two vertical plates 22, the other end of the rotating shaft 32 is fixedly connected with a second gear 33, the top surface in the cover body 23 is fixedly and symmetrically connected with two vertical rods 34, the bottom ends of the vertical rods 34 are fixedly connected with a barrel body 35, and two T-shaped rods 36 are symmetrically arranged on two sides of the cover body 23, the cross section of the T-shaped rod 36 is circular, the other end of the T-shaped rod 36 penetrates through the cover body 23 and penetrates through the cylinder body 35 to be fixedly connected with a third gear 37, the T-shaped rod 36 is respectively and rotatably connected with the cover body 23 and the cylinder body 35, the third gear 37 is arranged between the first gear 14 and the second gear 33 and is meshed with the first gear 33, the diameters of the first gear 14, the third gear 37 and the second gear 33 are gradually reduced, the number of teeth of the first gear 14, the third gear 37 and the number of teeth of the second gear 33 are gradually reduced, a rotary disc 38 is fixedly sleeved on the T-shaped rod 36, the rotary disc 38 is arranged in the cover body 23 and is attached to the side wall of the cover body, a plurality of third convex blocks 39 are fixedly connected to one side wall of the rotary disc 38 in an annular mode, a slide rail 40 is fixedly connected to the other side wall of the rotary disc 38 in an arc mode, and one end of each first convex block 4 is attached to the side wall of one third convex block 39.
Example 11
Based on embodiment 10, and the L-shaped plate 19 is made of stainless steel material.
Example 12
Based on the embodiment 10, the model number of the double-shaft motor 31 is 180M1-8-1.7 k/W.
Example 13
According to the embodiment 10, the transverse tube 13 is connected with the disk 18 by welding.
The main working principle and the using process are as follows: communicating with a boiler, then switching on a power supply, enabling initial steam to enter a transverse pipe through a vertical pipe of the L-shaped pipe 1, operating a controller to enable a double-shaft motor 31 to start working, enabling an output end of the double-shaft motor 31 to drive a rotating shaft 32 to rotate, enabling the rotating shaft 32 to drive a second gear 33 to rotate, enabling the second gear 33 to drive a third gear 37 to rotate, enabling the third gear 37 to drive a first gear 14 to rotate, enabling the first gear 14 to drive a transverse pipe 13 to rotate, enabling a disc 18 to drive a disc 18 to rotate, enabling the disc 18 to drive a connecting rod 20 to rotate, enabling the connecting rod 20 to drive a first filter screen 21 to rotate, and indirectly realizing slow rotation of the first filter screen 21 due to the fact that the number of teeth of the first gear 14, the third gear 37 and the second gear 33 is gradually reduced, and meanwhile, enabling the third gear 37 to drive a T-shaped rod 36 to rotate, enabling the T-shaped rod 36 to drive a rotating disc 38 to rotate, and enabling the rotating disc 38 to drive a third lug 39 and a sliding rail 40 to rotate, when the plurality of third bumps 39 sequentially beat the first bumps 4, so that the first bumps 4 perform amplitude motion, the first bumps 4 drive the L-shaped plate 19 to slide, the first bumps 4 drive the slide rod 2 to move, the slide rod 2 drives the balls 8 to move, the balls 8 drive the hinge rod 12 to move, the hinge rod 12 drives the second bumps 10 to move and beat the first filter screen 21 on one side, the first filter screen 21 is arranged to filter and block particles, the second bumps 10 beat the first filter screen 21 to effectively prevent the filtered particles from blocking the first filter screen 21, the service life of the first filter screen 21 is prolonged, the filtered particles are discharged from the discharge pipe 28 to the collection barrel 25 through the arc-shaped pipe 27, so that the particles are captured, the second filter screen 29 in the arc-shaped pipe 27 plays a role in blocking the particles, when the slide rail 40 rotates to be attached to the side wall of the first bumps 4, the slide rail 40 pushes the first bumps 4 to move for a certain distance, the first lug 4 drives the slide rod 2 to move, the slide rod 2 drives the ball 8 to move, the ball 8 drives the hinge rod 12 to move, the hinge rod 12 drives the second lug 10 to move to be attached to the side wall of the first filter screen 21 to support the first filter screen 21, the L-shaped plate 19 is arranged to play an effective guiding role, the vertical rod 34 and the barrel 35 are arranged to play a supporting role on the T-shaped rod 36, the limiting ring 16 and the sealing ring 17 are arranged to play a limiting and sealing role to ensure the normal operation of the device, the first spring 7, the second spring 11 and the third spring 15 are arranged to play a resetting role to ensure the normal operation of the device, when the particles in the collecting barrel 25 need to be cleaned, the valve 30 is manually closed, the arc-shaped pipe 27 is closed due to the closing of the valve 30, then the barrel door is opened to clean the particles in the collecting barrel 25, and the barrel door on the side wall of the collecting barrel 25 is closed after the cleaning is finished, the valve 30 is then opened.
Claims (6)
1. A particle trapping and recovering device comprising an L-shaped pipe (1), characterized in that: a first filter screen (21) is arranged in the L-shaped pipe (1), the first filter screen (21) is driven to rotate by a double-shaft motor (31), the double-shaft motor (31) simultaneously drives a second bump (10) to do amplitude motion to knock the first filter screen (21), and a collecting barrel (25) is arranged at a position right opposite to the first filter screen (21) below the L-shaped pipe (1);
a rotating shaft (32) of the power output of the double-shaft motor (31) is meshed with and drives a third gear (37) through a second gear (33), the third gear (37) coaxially drives a rotating disc (38) through a T-shaped rod (36), a third bump (39) arranged on the rotating disc (38) drives a first bump (4) to vibrate, the first bump (4) coaxially drives a sliding rod (2) to axially move, and a connecting rod of the sliding rod (2) drives a second bump (10);
the second bump (10) is arranged at the front end of the multi-section telescopic rod (9), a second spring (11) is sleeved on the multi-section telescopic rod (9), the multi-section telescopic rod (9) is arranged on the first sliding rod (6), and the first sliding rod (6) is coaxial with the sliding rod (2);
the sliding rod (2) is provided with a ball (8), the ball (8) is provided with a hinged rod (12), and the other end of the hinged rod (12) is arranged on the second convex block (10).
2. The particle trapping and recovering device according to claim 1, wherein: the rotary shaft (32) of the power output of the double-shaft motor (31) is in step-by-step meshing transmission through the second gear (33), the third gear (37) and the first gear (14), the first gear (14) drives the disc (18) to rotate coaxially through the transverse pipe (13), the disc (18) is provided with a connecting rod (20), and the first filter screen (21) is installed on the connecting rod (20).
3. The particle trapping and recovering device according to claim 2, wherein: the number of teeth of the second gear (33), the third gear (37) and the first gear (14) is increased step by step.
4. The particle trapping and recovering device according to claim 1, wherein: the third lugs (39) on the rotating disc (38) are distributed in a semicircle, and the other semicircle position on the rotating disc (38) is provided with a whole sliding rail (40).
5. The particle-trapping recycling apparatus according to claim 1, characterized in that: an arc-shaped pipe (27) is arranged at the bottom of the L-shaped pipe (1) and communicated to the collecting barrel (25), and a discharge pipe (28) is arranged at the bottom of the arc-shaped pipe (27).
6. The particle trapping and recovering device according to claim 5, wherein: a second filter screen (29) is arranged in the arc-shaped pipe (27).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110841053.6A CN113577935B (en) | 2021-07-23 | 2021-07-23 | Particle trapping and recycling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110841053.6A CN113577935B (en) | 2021-07-23 | 2021-07-23 | Particle trapping and recycling device |
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| CN113577935A CN113577935A (en) | 2021-11-02 |
| CN113577935B true CN113577935B (en) | 2022-06-17 |
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| CN114043018B (en) * | 2021-11-29 | 2024-03-29 | 南京诚光新能源科技有限公司 | Electric spark perforation equipment and perforation processing technology thereof |
| CN117504485B (en) * | 2024-01-05 | 2024-03-12 | 江苏新聚环保科技有限公司 | VOC photocatalysis device and method for industrial waste gas treatment |
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