CN215005102U - On-spot electrochemistry testing arrangement of power plant's large pipeline material - Google Patents
On-spot electrochemistry testing arrangement of power plant's large pipeline material Download PDFInfo
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- CN215005102U CN215005102U CN202120152581.6U CN202120152581U CN215005102U CN 215005102 U CN215005102 U CN 215005102U CN 202120152581 U CN202120152581 U CN 202120152581U CN 215005102 U CN215005102 U CN 215005102U
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Abstract
The utility model relates to a metallic material electrochemistry test technical field specifically is a power plant's on-spot electrochemistry testing arrangement of big pipeline material, including the fixing base, fixedly connected with lead screw adjustment mechanism on the fixing base is connected with the one end of tie-beam on the lead screw adjustment mechanism, and the other end fixedly connected with adapter sleeve of tie-beam, fixedly connected with detection jar in the adapter sleeve, the upper end of fixing base is fixedly connected with pipeline bottom mounting still. This device is through setting up the fixed subassembly in lead screw adjustment mechanism and pipeline bottom to can fix the detection jar on the pipeline, convenient operation avoids detecting the jar and takes place to empty the scheduling problem when carrying out the electrochemistry to the pipeline.
Description
Technical Field
The utility model relates to a metallic material electrochemistry test technical field specifically is a power plant's on-spot electrochemistry testing arrangement of big pipeline material.
Background
Creep damage and aging become one of typical failure modes of some key components of a coal-fired power plant after being in service under the working conditions of high temperature and high pressure for a long time, a relevant aging evaluation standard (DL/T438- & ltSUB & gt 2016) is established for low alloy steel for the coal-fired power plant at present, the creep damage grade of the low alloy steel can be judged by a field metallographic film covering method, and an important tool is provided for metal supervision work. However, in the supercritical and ultra-supercritical coal-fired power plants, the main steam and reheat steam hot section pipelines almost all use high-chromium martensite heat-resistant steel (P91, P92, P122 and the like), the aging rule of the martensite heat-resistant steel is obviously different from that of low alloy steel, the existing creep aging evaluation guide cannot be completely applicable to the martensite heat-resistant steel, and a new field available aging evaluation technology needs to be researched and developed urgently.
The electrochemical testing method has the advantages of high sensitivity, good real-time performance and the like, the electrochemical parameters are closely related to the grain boundary performance and the second phase distribution of the material, and the electrochemical characteristic parameters can change along with the aging of the alloy structure, so that the aging degradation degree of the alloy can be qualitatively or quantitatively judged.
The existing detection device cannot be directly applied to a pipeline and is inconvenient to operate.
Disclosure of Invention
An object of the utility model is to provide a power plant's on-spot electrochemistry testing arrangement of big pipeline material to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an on-spot electrochemistry testing arrangement of big pipeline material of power plant, includes the fixing base, the last fixedly connected with lead screw adjustment mechanism of fixing base, the last one end that is connected with the tie-beam of lead screw adjustment mechanism, the other end fixedly connected with adapter sleeve of tie-beam, fixedly connected with detection jar in the adapter sleeve, fixedly connected with pipeline bottom mounting still in the upper end of fixing base.
Preferably, the lead screw adjustment mechanism includes the lead screw, the lower extreme of lead screw rotates to be connected in the fixing base, the upper end of lead screw rotates to be connected with and connects the roof, the upper end fixedly connected with lead screw motor's of lead screw output shaft, lead screw motor fixed connection is in connecting the roof, threaded connection has the removal seat on the lead screw, remove the one end fixed connection of seat and tie-beam.
Preferably, a polish rod is fixedly connected between the connecting top plate and the fixed seat, and the movable seat is simultaneously connected to the polish rod in a sliding manner.
Preferably, electrolyte is arranged in the detection tank, a liquid inlet hopper is arranged at the top of the detection tank, a liquid outlet pipe is connected to the bottom of the detection tank, a manual valve is connected to the liquid outlet pipe, a liquid leakage prevention sealing plug is fixedly connected to the periphery of the lower end of the liquid outlet pipe, a working electrode, a reference electrode and an auxiliary electrode are connected to the top of the detection tank, and the working electrode, the reference electrode and the auxiliary electrode all extend into the electrolyte.
Preferably, the pipeline bottom mounting is including adjusting the seat, the upper surface of adjusting the seat is equipped with the notch of falling the trapezium structure, just the slide opening that is on a parallel with the notch lateral wall is all seted up to the both sides of adjusting the seat, sliding connection has the fixed column in the slide opening.
Preferably, the fixing column comprises an upper connecting column and a lower connecting column, a screw rod is fixedly connected to the bottom end of the upper connecting column, a thread groove is formed in the upper end of the lower connecting column, and the screw rod is matched with the thread groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1) according to the field electrochemical testing device for the large pipeline material of the power plant, the lead screw adjusting mechanism and the pipeline bottom fixing assembly are arranged, so that the detection tank can be fixed on the pipeline, the operation is convenient, and the problems of toppling and the like of the detection tank during electrochemical detection on the pipeline are avoided; when carrying out the electrochemistry test to the pipeline, place pipeline bottom mounting in the examination pipeline below of awaiting measuring to start the lead screw motor, the output shaft of lead screw motor drives the lead screw and rotates, and the lead screw drives through removing the seat and detects jar decline to the pipeline upper surface, and pours into electrolyte into through the feed liquor fill, begins the electrochemistry test to the pipeline.
2) According to the on-site electrochemical testing device for the large pipeline material of the power plant, the liquid outlet pipe and the manual valve are arranged at the lower end of the detection tank, so that the problem that too much electrolyte leaks when the detection tank is taken after the test is finished can be solved, and the manual valve is closed after the test is finished, so that the electrolyte leakage is reduced, and the cleaning is convenient; after the pipeline test is completed, the manual valve is closed, the lead screw motor drives the detection tank to ascend, then the test device is taken out, and residual electrolyte on the pipeline is cleaned.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the detection tank of the present invention;
fig. 3 is a schematic structural view of the fixing column of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a fixed seat 1, a connecting beam 2, a connecting sleeve 3, a detection tank 4, a screw rod 5, a connecting top plate 6, a screw rod motor 7, a movable seat 8, a polished rod 9, electrolyte 10, a liquid inlet hopper 11, a liquid outlet pipe 12, a manual valve 13, a liquid leakage prevention sealing plug 14, a working electrode 15, a reference electrode 16, an auxiliary electrode 17, an adjusting seat 18, an upper connecting column 19, a lower connecting column 20, a screw rod 21 and a sliding hole 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides an on-spot electrochemistry testing arrangement of big pipeline material of power plant, includes fixing base 1, the last fixedly connected with lead screw adjustment mechanism of fixing base 1 is connected with the one end of tie-beam 2 on the lead screw adjustment mechanism, the other end fixedly connected with adapter sleeve 3 of tie-beam 2, fixedly connected with detection jar 4 in the adapter sleeve 3, the upper end of fixing base 1 is fixedly connected with pipeline bottom mounting still.
The screw rod adjusting mechanism comprises a screw rod 5, the lower end of the screw rod 5 is rotatably connected to the fixed seat 1, the upper end of the screw rod 5 is rotatably connected with a connecting top plate 6, the upper end of the screw rod 5 is fixedly connected with an output shaft of a screw rod motor 7, the screw rod motor 7 is fixedly connected to the connecting top plate 6, a moving seat 8 is in threaded connection with the screw rod 5, and the moving seat 8 is fixedly connected with one end of the connecting beam 2; a polish rod 9 is fixedly connected between the connecting top plate 6 and the fixed seat 1, and the movable seat 8 is simultaneously connected with the polish rod 9 in a sliding manner; the pipeline bottom fixing part comprises an adjusting seat 18, the upper surface of the adjusting seat 18 is provided with a notch with an inverted trapezoidal structure, two sides of the adjusting seat 18 are respectively provided with a sliding hole 22 parallel to the side wall of the notch, and the sliding holes 22 are connected with fixing columns in a sliding mode; the fixing column comprises an upper connecting column 19 and a lower connecting column 20, the bottom end of the upper connecting column 19 is fixedly connected with a screw rod 21, the upper end of the lower connecting column 20 is provided with a thread groove, and the screw rod 21 is matched with the thread groove; the lead screw adjusting mechanism and the pipeline bottom fixing assembly are arranged, so that the detection tank 4 can be fixed on the pipeline, the operation is convenient, and the problems of toppling and the like of the detection tank 4 during electrochemical detection of the pipeline are avoided; when carrying out the electrochemistry test to the pipeline, place pipeline bottom mounting in the examination pipeline below of awaiting measuring to start lead screw motor 7, lead screw motor 7's output shaft drives lead screw 5 and rotates, and lead screw 5 drives detection tank 4 through removing seat 8 and descends to the pipeline upper surface, and pours into electrolyte into through advancing liquid fill 11, begins the electrochemistry test to the pipeline.
The detection device comprises a detection tank 4, a liquid inlet hopper 11, a liquid outlet pipe 12, a manual valve 13, a liquid leakage prevention sealing plug 14, a working electrode 15, a reference electrode 16 and an auxiliary electrode 17, wherein electrolyte 10 is arranged in the detection tank 4, the top of the detection tank 4 is provided with the liquid inlet hopper 11, the bottom of the detection tank 4 is connected with the liquid outlet pipe 12, the liquid outlet pipe 12 is connected with the manual valve 13, the periphery of the lower end of the liquid outlet pipe 12 is fixedly connected with the liquid leakage prevention sealing plug 14, the top of the detection tank 4 is connected with the working electrode 15, the reference electrode 16 and the auxiliary electrode 17, and the working electrode 15, the reference electrode 16 and the auxiliary electrode 17 all extend into the electrolyte 10; the liquid outlet pipe 12 and the manual valve 13 are arranged at the lower end of the detection tank 4, so that the problem of excessive leakage of electrolyte when the detection tank 4 is taken after the test is finished can be solved, and the manual valve 13 is closed after the test is finished, so that the leakage of the electrolyte 10 is reduced, and the cleaning is convenient; after the pipeline test is finished, the manual valve 13 is closed, the lead screw motor 7 drives the detection tank 4 to ascend, then the test device is taken out, and the residual electrolyte on the pipeline is cleaned.
Principle of operation
According to the on-site electrochemical testing device for the large pipeline material of the power plant, when electrochemical testing is carried out on a pipeline, a fixing piece at the bottom of the pipeline is placed below the pipeline to be tested, fixing columns on two sides of the pipeline are adjusted to be matched with the diameter of the pipeline along a sliding hole 22, an upper connecting column 19 and a lower connecting column 20 are rotated to fix the fixing columns in the sliding hole 22, a screw rod motor 7 is started, an output shaft of the screw rod motor 7 drives a screw rod 5 to rotate, the screw rod 5 drives a detection tank 4 to descend to the upper surface of the pipeline through a moving seat 8, electrolyte is injected through a liquid inlet hopper 11, and electrochemical testing of the pipeline is started; through setting up the fixed subassembly in lead screw adjustment mechanism and pipeline bottom to can fix detection tank 4 on the pipeline, convenient operation avoids detection tank 4 to take place to empty the scheduling problem when carrying out the electrochemistry to the pipeline and detect.
After the pipeline test is finished, closing the manual valve 13, driving the detection tank 4 to ascend through the lead screw motor 7, taking out the test device, and cleaning the residual electrolyte on the pipeline; through set up drain pipe 12 and manual valve 13 at detection jar 4 lower extreme, electrolyte leaks too much problem when can avoiding taking detection jar 4 after the test is accomplished, closes manual valve 13 after the test is accomplished to reduce electrolyte 10 and spill, the clearance of being convenient for.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The utility model provides an on-spot electrochemistry testing arrangement of big pipeline material of power plant, includes fixing base (1), its characterized in that, the last fixedly connected with lead screw adjustment mechanism of fixing base (1), the last one end that is connected with tie-beam (2) of lead screw adjustment mechanism, the other end fixedly connected with adapter sleeve (3) of tie-beam (2), fixedly connected with detection jar (4) in adapter sleeve (3), fixedly connected with pipeline bottom mounting is still gone up to fixing base (1).
2. The on-site electrochemical testing device for the large pipeline material in the power plant according to claim 1, wherein the screw rod adjusting mechanism comprises a screw rod (5), the lower end of the screw rod (5) is rotatably connected to the fixed base (1), the upper end of the screw rod (5) is rotatably connected to a connecting top plate (6), the upper end of the screw rod (5) is fixedly connected to an output shaft of a screw rod motor (7), the screw rod motor (7) is fixedly connected to the connecting top plate (6), a moving seat (8) is in threaded connection with the screw rod (5), and the moving seat (8) is fixedly connected to one end of the connecting beam (2).
3. The on-site electrochemical testing device for the large pipeline material in the power plant as claimed in claim 2, characterized in that a polished rod (9) is fixedly connected between the connecting top plate (6) and the fixed seat (1), and the movable seat (8) is simultaneously slidably connected to the polished rod (9).
4. The on-site electrochemical testing device for the large pipeline material in the power plant according to claim 1, wherein electrolyte (10) is arranged in the detection tank (4), a liquid inlet hopper (11) is arranged at the top of the detection tank (4), a liquid outlet pipe (12) is connected to the bottom of the detection tank (4), a manual valve (13) is connected to the liquid outlet pipe (12), a liquid leakage prevention sealing plug (14) is fixedly connected to the periphery of the lower end of the liquid outlet pipe (12), a working electrode (15), a reference electrode (16) and an auxiliary electrode (17) are connected to the top of the detection tank (4), and the working electrode (15), the reference electrode (16) and the auxiliary electrode (17) all extend into the electrolyte (10).
5. The on-site electrochemical testing device for the large pipeline material in the power plant as claimed in claim 1, wherein the pipeline bottom fixing member comprises an adjusting seat (18), a notch with an inverted trapezoid structure is formed in an upper surface of the adjusting seat (18), sliding holes (22) parallel to side walls of the notch are formed in both sides of the adjusting seat (18), and a fixing column is slidably connected in the sliding holes (22).
6. The on-site electrochemical testing device for the large pipeline material in the power plant according to claim 5, characterized in that the fixing column comprises an upper connecting column (19) and a lower connecting column (20), a screw rod (21) is fixedly connected to the bottom end of the upper connecting column (19), a threaded groove is formed in the upper end of the lower connecting column (20), and the screw rod (21) is matched with the threaded groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120152581.6U CN215005102U (en) | 2021-01-20 | 2021-01-20 | On-spot electrochemistry testing arrangement of power plant's large pipeline material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120152581.6U CN215005102U (en) | 2021-01-20 | 2021-01-20 | On-spot electrochemistry testing arrangement of power plant's large pipeline material |
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| Publication Number | Publication Date |
|---|---|
| CN215005102U true CN215005102U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120152581.6U Active CN215005102U (en) | 2021-01-20 | 2021-01-20 | On-spot electrochemistry testing arrangement of power plant's large pipeline material |
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| CN (1) | CN215005102U (en) |
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2021
- 2021-01-20 CN CN202120152581.6U patent/CN215005102U/en active Active
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