CN114487282A - Target plate device and method for safely and online replacing target plate by single person - Google Patents
Target plate device and method for safely and online replacing target plate by single person Download PDFInfo
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- CN114487282A CN114487282A CN202111677486.9A CN202111677486A CN114487282A CN 114487282 A CN114487282 A CN 114487282A CN 202111677486 A CN202111677486 A CN 202111677486A CN 114487282 A CN114487282 A CN 114487282A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000007664 blowing Methods 0.000 claims description 20
- 230000006378 damage Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000009916 joint effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses a safe online target plate device with a single person and a replaceable target plate and a method, belonging to the technical field of blow pipe equipment and comprising a target plate frame, wherein the target plate frame is inwards provided with a target plate groove from a first end, and the radial section of the target plate groove is polygonal; the target plate is inserted in the target plate groove and is of a polygonal prism structure, and the surface of the target plate is attached to the surface of the target plate groove; the target plate frame is provided with an opening corresponding to the target plate groove, and the opening is inserted with a baffle.
Description
Technical Field
The invention relates to the technical field of blow pipe equipment, in particular to a target plate device and a method for safely replacing a target plate by a single person on line.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The target plate device is a component for detecting impurity-containing filtration of steam, and a superheater, a reheater and a steam pipeline blowpipe are an important process before the unit of a thermal power construction project is put into operation, and the target plate device aims to blow relevant equipment and a steam pipeline by taking the steam as power so as to remove sundries such as sand, welding slag, rust scale and oxide skin accumulated in the equipment and the steam pipeline in the processes of manufacturing, transporting, storing and installing, so that qualified steam enters a steam turbine to prevent pipe explosion and damage of the through-flow part of the steam turbine in the operation of the unit, improve the safety and the economy of the unit and ensure the safe operation of the unit.
The inventor finds that in the replacement process of the conventional blowpipe target plate device, the target plate frame and the target plate fixing bolts need to be disassembled, and the disassembly process needs to be completed by multiple persons in a matching way; after the blow pipe is blown, the target plate frame and the target plate are both high in temperature, personnel injury is very easy to cause in the dismounting process, the bolt is also prone to be dead due to expansion, the safety hazard of scalding exists in the dismounting process, and if the blow door is not tight enough, the danger is larger when the target plate is replaced; in the process of disassembly and assembly, target plates can be damaged to different degrees, so that the judgment of the progress of the blowpipe is influenced; in the field replacement process, the noise is too large, and the serious ghost noise indicates the signal transmission of personnel, so that potential safety hazards exist; the process time for each target plate replacement is long.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a safe online target plate device with a single person and a replaceable target plate and a method thereof.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention provides a safe online target plate device with a replaceable target plate for a single person, which comprises a target plate frame, wherein a target plate groove is formed in the target plate frame from the first end to the inside, and the radial section of the target plate groove is a polygon; the target plate is inserted in the target plate groove and is of a polygonal prism structure, and the surface of the target plate is attached to the surface of the target plate groove; the target plate frame is provided with an opening corresponding to the target plate groove, and the opening is inserted with a baffle plate.
As a further technical scheme, the target plate frame is of a cylindrical structure, the radial section of a target plate groove is triangular, and the target plate is of a triangular prism structure.
As a further technical scheme, the radial section of the target plate groove is in an equilateral triangle shape, and the target plate is in a regular triangular prism structure.
As a further technical scheme, the opening is communicated with the target plate groove, so that the target plate groove is communicated with the outside of the target plate frame.
As a further technical scheme, target plate groove and opening are all set up along the axial of target plate frame, and target plate groove and opening are by target plate frame first end to the other end extension set for the degree of depth.
As a further technical scheme, one surface of the target plate is opposite to the opening, and one triangular edge of the target plate groove is opposite to the opening.
As a further technical scheme, a baffle slot is arranged at the opening of the target plate frame, and the baffle is inserted in the baffle slot.
As a further technical scheme, the baffle is of a quadrangular prism structure.
As a further technical scheme, the first end of the target plate frame is fixedly provided with an end plate, the end plate is provided with a round hole with the same diameter as the target plate frame, and the end plate is fixedly connected with the cover plate.
In a second aspect, the present invention provides a method for operating a target board device as described above, comprising the steps of:
inserting the target plate frame into the blowing pipe, wherein the target plate frame is perpendicular to the blowing pipe, the opening faces the steam coming direction, and the target plate frame is welded in the blowing pipe;
after the cover plate is opened, the baffle plate is inserted into the baffle plate slot, and target plate replacement or working surface adjustment is carried out;
when the working surface of the target plate is not completely used, the target plate is pulled out, the surface which does not work faces the opening after rotation, the target plate is inserted into the target plate groove again, and the baffle plate is pulled out;
when the working surface of the target plate is completely used and needs to be replaced, the target plate is pulled out, a new target plate is inserted into the target plate groove, and then the baffle plate is pulled out;
the cover plate is fixed to the end plate.
The beneficial effects of the invention are as follows:
(1) according to the invention, the target plate grooves in the target plate frame are arranged to be of a polygonal structure, the target plates are arranged to be of a pull-insert type polygonal column structure, when the target plates are inserted into the target plate grooves, the target plates can be fixed through clamping among polygons, bolts are not required to be used for fixing, the target plates are convenient to install and remove, the bolts are not required to be dismounted, and the target plates can be effectively prevented from being damaged by fastening of tools and bolts in the dismounting process, so that the judgment on the progress of the blowing pipe is influenced, the efficiency of the blowing pipe is improved, and the environment-friendly and energy-saving effects are achieved.
(2) According to the invention, the target plate frame is welded in the blowing pipe, and only the target plate needs to be replaced, so that the difficulty of replacement is reduced, and the risk that the target plate frame falls off and scalds operators when being disassembled and assembled is avoided.
(3) In the replacement process of the target plate, the seal of the baffle plate can effectively solve the potential safety hazard caused by steam leakage, effectively reduce the noise of a working area, effectively transmit the command of a commander and avoid the potential safety hazard caused by misoperation.
(4) The arrangement of the polygon prism type target plate structure provided by the invention is convenient for dismounting and replacing the target plate, reduces the replacement time, can replace a plurality of surfaces of the target plate, can use one target plate for a plurality of times, reduces the use cost, and is more environment-friendly and energy-saving.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and 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 limiting the invention to the proper forms disclosed herein.
FIG. 1 is a schematic illustration of a target deck of the present invention according to one or more embodiments (cover plate not shown);
FIG. 2 is a schematic illustration of the construction of a cover plate according to one or more embodiments of the present invention;
FIG. 3 is a schematic illustration of a target plate construction according to one or more embodiments of the present invention;
FIG. 4 is a schematic view of a baffle structure according to one or more embodiments of the present invention;
FIG. 5 is a schematic illustration of an installation position of a target board according to one or more embodiments of the present invention;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1, a target plate frame; 2. a target plate groove; 3. a cover plate; 4. a target plate; 5. a baffle plate; 6. An opening; 7. and an end plate.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
As introduced in the background art, in the process of disassembling the existing blow pipe target plate device, the target plate frame and the target plate are both high in temperature, so that personnel injury is easily caused in the process of disassembling, and if the blow door is not tight enough, the danger is higher when the target is replaced; in the process of disassembly and assembly, damage of different degrees can be caused to the target plate, so that judgment of progress of the blowpipe is influenced; the invention provides a target plate device and a method for safely and online replacing a target plate by a single person, which have the problems of overlarge noise, serious influence on signal transmission of commanders and potential safety hazards in the field replacing process and aims to solve the technical problems.
Example 1
In an exemplary embodiment of the present invention, as shown in fig. 1-5, a target board device with a safe online single-person replaceable target board is provided, which comprises a target board frame 1, a target board slot 2, a cover plate 3, a target board 4 and a baffle plate 5.
Wherein, target plate frame 1 is cylindrical structure, and target plate groove 2 that 1 inside is equipped with the triangular prism form of target plate frame, and target plate groove 2 mainly used target plate 4's installation is directly fixed target plate 4 through self-stabilization's structure.
The radial cross section of the target plate groove is triangular, and in the scheme, the radial cross section of the target plate groove is a cross section along the radial direction of the target plate frame.
The surface of the target plate and the groove surface of the target plate groove are arranged in a sticking way, so that the target plate is reliably fixed in the target plate groove.
Specifically, the target plate 4 is of a triangular prism structure, the section of the target plate 4 along the radial direction of the target plate frame is also of a triangle shape, the triangle type of the triangle shape is the same as that of the target plate groove 2 arranged in the target plate frame 1, the types mentioned here are the same, namely the two triangle shapes are set to be similar triangles, the sizes of the triangles are approximately the same, and the size of the target plate groove is slightly larger than that of the target plate so that the target plate can be reliably clamped in the target plate groove; in this scheme, utilize triangle-shaped self joint effect fixed target plate 4, need not external force and add and hold, cancelled fixing bolt's use, effectively avoided bolt fastening formula target plate 4 to the harm of target plate 4 at bolt dismouting in-process, improved the efficiency of target plate 4's installation and dismantlement simultaneously, do not influence the blowpipe progress.
And when carrying out the change of target board 4, need not to demolish target board frame 1, only need with target board 4 take out can, avoided high temperature target board frame 1 scald personnel's risk.
Simultaneously, triangle-shaped target plate groove 2 not only can fix target plate 4, can also effectively avoid 4 high temperature deformations of target plate, and this has improved target plate 4's utilization ratio, and triangular prism type target plate 4 uses the completion back in the one side, and rotatable one side is fixed in reuse triangle-shaped target plate groove 2, and a target plate 4 can use the cubic, has practiced thrift the cost.
It can be understood that the target plate grooves 2 and the target plates 4 can be of a common triangular structure, or of an isosceles triangle or an equilateral triangle, and are not limited too much, and in practical application, the isosceles triangle is more convenient to rotate and change faces, and each face has the same effect, and the target plate grooves and the target plates belong to an optimal design scheme.
When specifically setting up, set up the target board groove in one side of target board frame, one side that target board frame 1 is close to built-in target board groove 2 is equipped with vertical opening 6, and the degree of depth is the same with target board groove 2, and this vertical opening 6 communicates with each other with target board groove 2 to make target board groove 2 communicate with each other with the outside pipeline of target board frame 1.
The target plate groove and the opening are arranged along the axial direction of the cylindrical structure of the target plate frame, and the target plate groove and the opening are not arranged on the target plate frame in full length.
In a preferred embodiment, one triangular side of the target plate slot 2 is opposite to the opening 6, so that one face of the triangular prism-shaped target plate 4 installed in the target plate slot 2 is opposite to the opening 6 and is communicated with the pipeline outside the target plate holder 1.
As shown in FIG. 5, when installing, the target plate rack 1 is welded inside the adjacent blowing pipeline, and the opening 6 arranged on the target plate rack 1 faces the direction from which steam is blown out from the adjacent blowing pipeline, so that the blown steam enters the target plate rack 1 through the opening 6 and contacts with the target plate 4.
The mounting mode of the target plate frame 1 is as follows: the target plate frame 1 is vertically arranged in the adjacent blowing pipeline, an opening 6 in the target plate frame 1 faces the steam incoming direction, and after the position is adjusted, a welding point is welded in the adjacent blowing pipeline according to the drawing paper.
In a further scheme, baffle slots are arranged at the opening of the target plate frame, the baffle slots are arranged on the two sides of the target plate frame corresponding to the opening along the depth of the opening, and the baffle slots are in a long strip slot form; the two sides of the baffle 5 are inserted in the baffle slot.
When carrying out the change of target plate 4, need insert baffle 5 in the baffle groove, utilize baffle 5 to keep apart with the built-in target plate groove 2 of target plate frame 1 and face blow pipe way to effectively avoided the risk that steam leaked in the change of target plate 4.
Meanwhile, the baffle 5 can also play a role in reducing noise of a working area, so that commands of commanders can be effectively transmitted, and potential safety hazards caused by misoperation of operators are avoided.
The target plate grooves 2 are distributed from one end of the target plate frame 1 to the other end, the target plate grooves are communicated with one end of the target plate frame, but the target plate grooves are not communicated with the other end of the target plate frame, namely the target plate grooves are not arranged along the length of the target plate frame; when the target plate is inserted into the target plate groove, the target plate is inserted inwards from one end of the target plate frame.
The fixed end plate 7 that is equipped with of one end of target grillage 1, set up the round hole with the same diameter of target grillage in the middle of the end plate 7, mainly used cooperation apron 3 realizes the sealed of 1 tip of target grillage, apron 3 and end plate 7 size are the same, and all be equipped with a plurality of bolt holes along respective circumference, the bolt hole one-to-one, through the connection of dismantling that realizes apron 3 and end plate 7 at the downthehole fixing bolt of bolt, end plate and cover connection back can be with the shutoff of target board groove tip.
It can be understood that, in order to ensure the sealing effect, a cylindrical protrusion with the same diameter as the middle circular hole of the end plate 7 can be arranged in the middle of the cover plate 3, so that the circular hole is blocked by the cylindrical protrusion, and the sealing performance is improved.
The specific process of target plate 4 replacement is as follows:
firstly, mounting the target plate frame 1 to enable an opening 6 on the target plate frame 1 to face the steam coming direction, and welding the target plate frame 1 in a blowing pipeline;
then, the connecting bolts on all the cover plates 3 are opened, and the cover plates 3 are removed;
after the cover plate 3 is removed, the baffle plate 5 is inserted into the inserting plate groove, and then the target plate 4 is replaced or the working surface is adjusted;
when the three working surfaces of the target plate 4 are not used completely, the target plate 4 is pulled out, and is rotated by 120 degrees, so that the non-working surface faces to the opening 6, then the target plate 4 is inserted into the target plate groove 2 in the target plate frame 1 again, and the baffle 5 is pulled out;
when the three working surfaces of the target plate 4 completely complete the blowing pipe work, firstly inserting the baffle plate, then pulling out the target plate 4, inserting a new triangular prism-shaped target plate 4 into the target plate groove 2, and then pulling out the baffle plate 5;
when the target plate 4 is replaced and the baffle 5 is completely pulled out, the cover plate 3 is covered again, and the bolts are screwed down.
In the replacement process of the target plate 4, the potential safety hazard caused by steam leakage can be effectively solved by sealing the baffle 5, the noise of a working area can be effectively reduced, the command of a commander can be effectively transmitted, and the potential safety hazard caused by misoperation can be avoided.
Example 2
The present embodiment provides a working method of the target board device, which specifically includes the following steps:
inserting the target plate frame 1 into the adjacent blowing pipeline from the side wall of the adjacent blowing pipeline, wherein the target plate frame 1 and the adjacent blowing pipeline are vertically arranged, an opening 6 on the target plate frame 1 faces the steam incoming direction, and welding the target plate frame 1 in the adjacent blowing pipeline;
unscrewing all the connecting bolts on the cover plate 3, and removing the cover plate 3;
inserting the baffle 5 into the baffle slot, and inserting the target plate 4 into the target slot, so that one surface of the triangular prism of the target plate faces the opening;
and pulling out the baffle plate, fixing the cover plate on the end plate, and screwing the bolt.
When the target plate needs to be adjusted in the working surface, the baffle plate is inserted into the baffle plate groove, the target plate 4 is pulled out, and the target plate is rotated by 120 degrees, so that the non-working surface faces the opening 6, then the target plate 4 is inserted into the target plate groove 2 in the target plate frame 1 again, and the baffle plate 5 is pulled out.
When the working surface of the target plate is completely used and needs to be replaced, the baffle plate is inserted firstly, then the target plate 4 is pulled out, a new triangular prism-shaped target plate 4 is inserted into the target plate groove 2, and then the baffle plate 5 is pulled out.
The target plate replacing operation of the target plate device is simple, the target plate can be safely replaced on line without touching the target plate, and factors influencing the progress of a blowing pipe caused by disassembly are removed; the operation is performed by one person, and the target plate replacement time is greatly shortened.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A safe online target plate device with a replaceable target plate for a single person is characterized by comprising a target plate frame, wherein a target plate groove is formed in the target plate frame from a first end to the inside, and the radial section of the target plate groove is polygonal; the target plate is inserted in the target plate groove and is of a polygonal prism structure, and the surface of the target plate is attached to the surface of the target plate groove; the target plate frame is provided with an opening corresponding to the target plate groove, and the opening is inserted with a baffle.
2. The target plate apparatus of claim 1 wherein said target plate frame is of cylindrical configuration, the radial cross-section of the target plate slot is triangular, and the target plate is of triangular prism configuration.
3. The target plate apparatus of claim 2 wherein the radial cross-section of the target plate slot is an equilateral triangle and the target plate is a regular triangular prism.
4. The target plate mount of claim 1 wherein the opening communicates with the target plate slot such that the target plate slot communicates with the exterior of the target plate mount.
5. The target plate apparatus of claim 1 wherein the target plate slot and the opening are both disposed along an axial direction of the target plate holder and the target plate slot and the opening both extend a set depth from the first end of the target plate holder to the other end.
6. The target plate apparatus of claim 1, 4 or 5 wherein one face of the target plate is opposite the opening and one triangular side of the target plate slot is opposite the opening.
7. The target board apparatus of claim 1, 4 or 5, wherein the opening of the target board frame is provided with a baffle slot, and the baffle is inserted into the baffle slot.
8. The target apparatus of claim 1 wherein said baffle is a quadrangular prism.
9. The target plate device of claim 1 wherein the first end of the target plate holder is fixedly provided with an end plate, the end plate is provided with a circular hole having the same diameter as the target plate holder, and the end plate is fixedly connected with the cover plate.
10. A method of operating a target plate according to any one of claims 1 to 9, comprising the steps of:
inserting the target plate frame into the blowing pipe, wherein the target plate frame is perpendicular to the blowing pipe, the opening faces the steam coming direction, and the target plate frame is welded in the blowing pipe;
after the cover plate is opened, the baffle plate is inserted into the baffle plate slot, and target plate replacement or working surface adjustment is carried out;
when the working surface of the target plate is not completely used, the target plate is pulled out, the surface which does not work faces the opening after rotation, the target plate is inserted into the target plate groove again, and the baffle plate is pulled out;
when the working surface of the target plate is completely used and needs to be replaced, the target plate is pulled out, a new target plate is inserted into the target plate groove, and then the baffle plate is pulled out;
the cover plate is fixed to the end plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111677486.9A CN114487282B (en) | 2021-12-31 | 2021-12-31 | Target board device and method for safely and online replacing target board by single person |
| PCT/CN2022/116140 WO2023124176A1 (en) | 2021-12-31 | 2022-08-31 | Method for safely and online replacing target board by single person |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111677486.9A CN114487282B (en) | 2021-12-31 | 2021-12-31 | Target board device and method for safely and online replacing target board by single person |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114487282A true CN114487282A (en) | 2022-05-13 |
| CN114487282B CN114487282B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111677486.9A Active CN114487282B (en) | 2021-12-31 | 2021-12-31 | Target board device and method for safely and online replacing target board by single person |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114487282B (en) |
| WO (1) | WO2023124176A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023124176A1 (en) * | 2021-12-31 | 2023-07-06 | 中国电建集团山东电力建设第一工程有限公司 | Method for safely and online replacing target board by single person |
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2021
- 2021-12-31 CN CN202111677486.9A patent/CN114487282B/en active Active
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2022
- 2022-08-31 WO PCT/CN2022/116140 patent/WO2023124176A1/en unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114487282B (en) | 2024-05-10 |
| WO2023124176A1 (en) | 2023-07-06 |
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