CN210045708U

CN210045708U - Steam pipeline sweeps device of shooing

Info

Publication number: CN210045708U
Application number: CN201920940122.7U
Authority: CN
Inventors: 王岩; 闫富江; 崔占海; 孙成秀; 吕会颖
Original assignee: Harbin Turbine Co Ltd
Current assignee: Harbin Turbine Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-02-11
Anticipated expiration: 2029-06-20

Abstract

A steam pipeline purging and targeting device relates to the field of mechanical equipment auxiliary cleaning. The utility model relates to a solve present target piece and pass through the bolt rigid coupling and have the problem that the dismouting degree of difficulty is big, the target plate is easy to be split, fixed target plate bolt influences the detection sectional area when the pipeline is inside. The utility model discloses a N group flange B, 4N connecting bolt B, 4N coupling nut B are individual and N +1 sweeps the pipeline, and N is the positive integer, and it still includes target piece, baffle, threaded sleeve, loose flange, location separation blade, mounting flange, connecting pipe, four connecting bolt A and four coupling nut A, the utility model discloses mainly as the inspection tool that the interior impurity of steam conduit cleaned the condition in the steam turbine.

Description

Steam pipeline sweeps device of shooing

Technical Field

The utility model relates to a steam conduit sweeps device of shooing. Belongs to the field of mechanical equipment auxiliary cleaning.

Background

The operating principle of the steam turbine generator unit is to convert the heat energy of the high-temperature and high-pressure steam generated by the boiler into mechanical energy. In the installation process, impurities such as rust, welding slag and the like are more or less remained in the boiler tube and the steam pipeline. When high-temperature high-pressure steam enters the steam turbine generator unit, impurities in the furnace tube and the steam pipeline can be brought into the steam turbine generator unit, and fatal damage is brought to blades of the unit. Therefore, before the high-temperature high-pressure steam pipeline is put into use, impurities in the pipeline need to be swept clean by steam, so that the normal operation of the steam turbine generator unit in the future is guaranteed. The purpose of steam line targeting is to purge and prevent them from entering the turbine and causing damage to the blades.

The steam pipeline purging is generally to install the target plate inside the steam pipeline, the high-speed flowing steam impacts the aluminum plate quickly in the flowing process, if impurities exist in the pipeline, the impurities can leave a large amount of marks on the target plate, if the pipeline cleanliness is good, the use requirement is met, the steam quality is good, and a large amount of marks cannot be left on the target plate. And (4) judging whether the target result is qualified or not by checking the number and the area of the impact marks on the target plate.

At this in-process, generally need change the target for a few times, the mounting means of traditional target is inside the pipeline through the bolt with the target rigid coupling, such mounting means exists that the dismouting degree of difficulty is big, the target plate is easy to be split, fixed target plate bolt influences the problem that detects the sectional area, consequently provides a dismantlement convenience, and rationally distributed and safe and reliable's target plate structure is very according with actual need.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve present target piece and pass through the bolt rigid coupling and have the problem that the dismouting degree of difficulty is big, the target plate is easy to be split, fixed target plate bolt influences the detection sectional area when the pipeline is inside. A steam line purging targeting device is provided.

A steam pipeline purging and targeting device comprises N groups of connecting flanges B, 4N connecting bolts B, 4N connecting nuts B and N +1 purging pipelines, wherein N is a positive integer, two adjacent purging pipelines are connected together through one group of connecting flanges B, the end face of each group of connecting flanges B is provided with 4 through holes B at equal intervals along the circumferential direction, the thread part of each connecting bolt B is arranged in one through hole B, each connecting bolt B is in threaded connection with one through hole B, the tail end of the thread of each connecting bolt B is sleeved with one connecting nut B, and each connecting bolt B is in threaded connection with one connecting nut B;

the end face of the movable flange is provided with four first through holes at equal intervals along the circumferential direction;

the end face of the fixed flange is provided with four second through holes at equal intervals along the circumferential direction, and each second through hole is opposite to one first through hole;

the connecting pipe is arranged on the outer wall of a purging pipeline, one end of the connecting pipe is communicated with the outer wall of the purging pipeline, the other end of the connecting pipe is fixedly connected with a fixed flange, a movable flange is arranged opposite to the fixed flange, the thread part of each connecting bolt A is arranged in a first through hole and a second through hole, each connecting bolt A is respectively in threaded connection with the first through hole and the second through hole, the thread tail end of each connecting bolt A is sleeved with a connecting nut A, each connecting bolt A is in threaded connection with the connecting nut A, one end of a threaded sleeve is inserted on the movable flange and is fixedly connected with the movable flange, a positioning baffle is arranged in the threaded sleeve, one end of the positioning baffle penetrates through the connecting pipe and extends into the purging pipeline, and the end of the positioning baffle arranged in the purging pipeline is fixedly connected with an L-shaped plate, and the joint of the positioning separation blade and the L-shaped plate forms a clamping groove, the target sheet is arranged in the clamping groove, the partition plate is arranged in the threaded sleeve, and the partition plate is fixedly connected with the positioning separation blade.

Compared with the prior art, the utility model beneficial effect

1. The utility model provides a pair of steam conduit sweeps device of shooing, simple structure, easy dismounting, the change of the target piece of being convenient for, the change time of the target piece that has significantly reduced has also reduced the whole operating time that sweeps to steam conduit simultaneously, and the time has reduced 60% at least often, very big improvement work efficiency.

2. The utility model provides a pair of steam conduit sweeps and hits target device for current device, has also reduced the loss of the energy when having practiced thrift operating time, makes the cost of cleaning steam conduit reduce 40% at least, has better economic nature.

Drawings

Fig. 1 is a main sectional view of the present invention;

FIG. 2 is a partial enlarged view of the junction between the positioning block piece 8 and the target 2;

fig. 3 is a partial enlarged view of the junction between the middle connection tube 10 and the threaded sleeve 4 according to the present invention;

the gas flow direction is indicated by arrows in the figure, wherein the gas flow direction is indicated by 1 hood, 2 target plate, 3 baffle plate, 4 threaded sleeve, 5 connecting bolt A, 6 movable flange, 7 annular gasket, 8 positioning baffle plate, 9 fixed flange, 10 connecting pipe, 11 connecting flange B, 12 connecting bolt B, 13 purging pipeline, 14 connecting nut B and 15 connecting nut A.

Detailed Description

The first embodiment is as follows: the steam pipeline purging and targeting device described in the embodiment includes N sets of connecting flanges B11, 4N connecting bolts B12, 4N connecting nuts B14 and N +1 purging pipelines 13, where N is a positive integer, two adjacent purging pipelines 13 are connected together by a set of connecting flanges B11, the end surface of each set of connecting flanges B11 is provided with 4 through holes B at equal intervals along the circumferential direction, the threaded portion of each connecting bolt B12 is arranged in one through hole B, each connecting bolt B12 is in threaded connection with one through hole B, the threaded end of each connecting bolt B12 is sleeved with one connecting nut B14, and each connecting bolt B12 is in threaded connection with one connecting nut B14, and the steam pipeline purging and targeting device further includes a target 2, a partition plate 3, a threaded sleeve 4, a movable flange 6, a positioning baffle plate 8, a fixed flange 9, a connecting pipe 10, an L16, a positioning baffle plate 8, a connecting pipe 10, a connecting pipe L16, and a positioning baffle plate 3, Four connecting bolts a5 and four connecting nuts a 15;

the end face of the movable flange 6 is provided with four first through holes at equal intervals along the circumferential direction;

four second through holes are equidistantly formed in the end face of the fixed flange 9 along the circumferential direction, and each second through hole is opposite to one first through hole;

the connecting pipe 10 is arranged on the outer wall of a purging pipeline 13, one end of the connecting pipe 10 is communicated with the outer wall of the purging pipeline 13, the other end of the connecting pipe 10 is fixedly connected with a fixed flange 9, the movable flange 6 is arranged opposite to the fixed flange 9, the thread part of each connecting bolt A5 is arranged in a first through hole and a second through hole, each connecting bolt A5 is respectively in threaded connection with the first through hole and the second through hole, the thread tail end of each connecting bolt A5 is sleeved with a connecting nut A15, each connecting bolt A5 is in threaded connection with a connecting nut A15, one end of the threaded sleeve 4 is inserted on the movable flange 6, the threaded sleeve 4 is fixedly connected with the movable flange 6, the positioning baffle 8 is arranged in the threaded sleeve 4, one end of the positioning baffle 8 penetrates through the connecting pipe 10 and extends into the purging pipeline 13, one end of the positioning baffle 8 arranged in the purging pipeline 13 is fixedly connected with L16, and the joint of the positioning baffle piece 8 and the L-shaped plate 16 forms a clamping groove, the target sheet 2 is arranged in the clamping groove, the partition plate 3 is arranged in the threaded sleeve 4, and the partition plate 3 is fixedly connected with the positioning baffle piece 8.

Target piece 2's width is the 10% of sweeping pipeline 13 diameter among this embodiment, so set up, can prevent that target piece 2's width is too big, insert the steam conduit not convenient for, can disturb the flow of air current under the effect of blowing simultaneously, target piece 2's width undersize, the vestige that has influenced impurity and has beaten the target must reduce, the washing condition of impurity in the judgement pipeline that can not be accurate, for bring great error when examining target piece 2 and target the vestige, the result that makes and obtain is inaccurate, baffle 3 is used for spacing target piece 2.

The second embodiment is as follows: the present embodiment is described with reference to fig. 1, and is different from the specific embodiment in that: the device also comprises a cover cap 1, and the cover cap 1 is sleeved on the other end of the threaded sleeve 4. Other components and connection modes are the same as those of the first embodiment.

So set up, can prevent during the operation that other external dust of steam conduit and impurity from entering into steam conduit along threaded sleeve 4, introduce new impurity for steam conduit's the process of sweeping.

The third concrete implementation mode: the present embodiment is described with reference to fig. 1, and is different from the specific embodiment in that: the device further comprises an annular gasket 7, the annular gasket 7 being arranged between the movable flange 6 and the fixed flange 9. Other components and connection modes are the same as those of the first embodiment.

So set up, can make and carry out flexonics between movable flange 6 and the mounting flange 9, effectively prevented between movable flange 6 and the mounting flange 9 when the installation clamp force too big, destroy the flange surface.

The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1, and the present embodiment further describes the positioning baffle 8 described in the first embodiment, and the positioning baffle 8 in the present embodiment is respectively fixedly connected to the inner wall of the threaded sleeve 4. Other components and connection modes are the same as those of the first embodiment.

So set up, can make location separation blade 8 as a benchmark, can not be along with the change of target piece 2 and the shift position, make at every turn target piece 2 all can insert in the draw-in groove of fixed position, make at every turn observe the target piece 2 on the vestige with the accuracy.

The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 1, and the present embodiment will further describe the target 2 described in the first embodiment: the thickness of the target sheet 2 is D1, the width of the clamping groove is D2, and D1 is smaller than D2. Other components and connection modes are the same as those of the first embodiment.

So set up, can make the accurate cartridge of target plate 2 in the draw-in groove.

The sixth specific implementation mode: the present embodiment will be described with reference to fig. 1, and the present embodiment will further describe the target 2 described in the first embodiment: the diameter of the purge line 13 is smaller than the length of the target 2. Other components and connection modes are the same as those of the first embodiment.

With the arrangement, if the length of the target piece 2 is smaller than the diameter of the purging pipeline 13, impurities in the pipeline can easily fly through the periphery of the target piece 2, and no trace is left on the target piece 2, so that the accuracy of the inspection result is affected.

The seventh embodiment: the present embodiment will be described with reference to fig. 1, and the present embodiment will further describe the target 2 described in the first embodiment, wherein: the target 2 is made of aluminum sheet. Other components and connection modes are the same as those of the first embodiment.

So set up, aluminum sheet material itself is softer, and impurity majority in the pipeline is the iron scrap, and hardness will be greater than aluminium, consequently when impurity in the pipeline hit target piece 2, can leave comparatively obvious vestige, the observation of being convenient for.

The specific implementation mode is eight: the present embodiment will be described with reference to fig. 1, and the present embodiment will further describe the threaded bushing 4 and the connection pipe 10 described in the first embodiment, where: the threaded sleeve 4 has an inner diameter dimension of L1, the coupling tube 10 has an inner diameter dimension of L2, and L1 is equal to L2. Other components and connection modes are the same as those of the first embodiment.

The specific implementation method nine: the present embodiment is described with reference to fig. 1, and the present embodiment is further described with reference to the connection flange B11 described in the first embodiment, where: and an annular gasket 7 is arranged between each group of connecting flanges B11. Other components and connection modes are the same as those of the first embodiment.

Principle of operation

First assemble this device together according to embodiment mode one's relation of connection, open cap 1 and put into threaded sleeve 4 with target piece 2, and guarantee that the bottom of target piece 2 inserts in the draw-in groove of the bottom of location separation blade 8, fix target piece 2 with baffle 3, prevent that target piece 2 from removing, blow vapour in the pipeline through the steam source, high-speed flowing steam is at flow in-process quick impact target piece 2, if there is impurity in the pipeline, then impurity can leave a large amount of marks on target piece 2, if the pipeline cleanliness is good, accord with the operation requirement, then steam is of high quality, just can not leave a large amount of marks on target piece 2. Whether the target result is qualified or not is judged by checking the number and the area of the impact marks on the target sheet 2, after the technology to be checked, the target sheet 2 is taken out, the threaded sleeve 4 is disassembled from the connecting pipe 10, and the cover cap 1 is buckled on the connecting pipe 10.

Claims

1. The utility model provides a steam conduit sweeps and hits target device, it includes N group flange B (11), 4N connecting bolt B (12), 4N connecting nut B (14) and N +1 pipeline (13) of sweeping, N is the positive integer, two adjacent pipeline (13) of sweeping link together through a set of connecting flange B (11), the terminal surface of every group flange B (11) is equipped with 4 through-holes B along circumference equidistance, the screw thread portion setting of every connecting bolt B (12) is in a through-hole B, a connecting nut B (14) is established to the screw thread end cover of every connecting bolt B (12), and every connecting bolt B (12) and a connecting nut B (14) threaded connection, a serial communication port, it still includes target piece (2), baffle (3), threaded sleeve pipe (4), movable flange (6), location separation blade (8), mounting flange (9), The device comprises a connecting pipe (10), an L-shaped plate (16), four connecting bolts A (5) and four connecting nuts A (15);

the end face of the movable flange (6) is provided with four first through holes at equal intervals along the circumferential direction;

the end face of the fixed flange (9) is provided with four second through holes at equal intervals along the circumferential direction, and each second through hole is opposite to one first through hole;

the connecting pipe (10) is arranged on the outer wall of a purging pipeline (13), one end of the connecting pipe (10) is communicated with the outer wall of the purging pipeline (13), the other end of the connecting pipe (10) is fixedly connected with a fixed flange (9), a movable flange (6) and the fixed flange (9) are arranged oppositely, the thread part of each connecting bolt A (5) is arranged in a first through hole and a second through hole, the tail end of the thread of each connecting bolt A (5) is sleeved with a connecting nut A (15), each connecting bolt A (5) is in threaded connection with one connecting nut A (15), one end of a threaded sleeve (4) is inserted into the movable flange (6), the threaded sleeve (4) is fixedly connected with the movable flange (6), a positioning blocking piece (8) is arranged in the threaded sleeve (4), and one end of the positioning blocking piece (8) penetrates through the connecting pipe (10) and extends into the purging pipeline (13), one end of the positioning baffle piece (8) arranged in the purging pipeline (13) is fixedly connected with an L-shaped plate (16), a clamping groove is formed at the joint of the positioning baffle piece (8) and the L-shaped plate (16), the target piece (2) is arranged in the clamping groove, the partition plate (3) is arranged in the threaded sleeve (4), and the partition plate (3) is fixedly connected with the positioning baffle piece (8).

2. The steam pipeline purging and targeting device as recited in claim 1, characterized in that the device further comprises a cap (1), and the cap (1) is sleeved on the other end of the threaded sleeve (4).

3. A steam line purging targeting device according to claim 1, characterized in that the device further comprises an annular gasket (7), the annular gasket (7) being arranged between the movable flange (6) and the fixed flange (9).

4. The steam pipeline purging and targeting device as recited in claim 1, characterized in that the positioning baffle plates (8) are respectively fixedly connected with the inner wall of the threaded sleeve (4).

5. The steam pipeline purging target practice device as claimed in claim 4, wherein the thickness dimension of the target sheet (2) is D1, the width dimension of the clamping groove is D2, and D1 is smaller than D2.

6. A steam line purging target device according to claim 1, wherein the diameter of the purging line (13) is smaller than the length of the target (2).

7. A steam line purging targeting device according to claim 1, characterized in that the target sheet (2) is made of aluminum sheet.

8. A steam line purging targeting device according to claim 1, characterized by the threaded sleeve (4) having an inner diameter dimension of L1, the connecting tube (10) having an inner diameter dimension of L2, L1 being equal to L2.

9. A steam line purging and targeting device according to claim 1, characterized in that between each set of connecting flanges B (11) there is provided an annular gasket (7).