KR20080100930A - Glass test vessel for hidrogen induced cracking test with square shut type - Google Patents

Glass test vessel for hidrogen induced cracking test with square shut type Download PDF

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Publication number
KR20080100930A
KR20080100930A KR1020070046982A KR20070046982A KR20080100930A KR 20080100930 A KR20080100930 A KR 20080100930A KR 1020070046982 A KR1020070046982 A KR 1020070046982A KR 20070046982 A KR20070046982 A KR 20070046982A KR 20080100930 A KR20080100930 A KR 20080100930A
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KR
South Korea
Prior art keywords
test
cover
test tank
solution
tank
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KR1020070046982A
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Korean (ko)
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최종길
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탑테크(주)
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Priority to KR1020070046982A priority Critical patent/KR20080100930A/en
Publication of KR20080100930A publication Critical patent/KR20080100930A/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/002—Test chambers

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  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The present invention relates to a hydrogen organic cracked rectangular glass test vessel that can be sealed, made of a transparent cylindrical rectangular cylinder, the stepped portion 22 is formed on the outer periphery of the upper side opening, the receiving portion 20 is A test tank (2) formed on the outside, and having a gas inlet (5) and a gas outlet (7) formed therein, and a solution outlet (3) formed at a lower portion thereof; A cover 4 formed at an outer end of the contact portion 42 corresponding to the step 22 and installed in the opening of the test chamber 2; Fastening means (9) installed in close contact with the step (22) of the test tank (2) and the contact portion (42) of the cover (4) coupled; The test tank is composed of a coupler 200 installed in the cover 4, and the solution collection port 6 consisting of a suction pipe 62 penetrated through the coupler 200 and inserted into the test tank 2, It is possible to improve the accuracy of the experiment because the reaction with the test solution is not caused by the glass material, and the test vessel is made into a square shape so that the test pieces can be placed more and the space utilization rate can be maximized. It is easy to collect a small amount of solution through.

Description

Glass test container for hydrogen organic cracking square test that can be sealed {GLASS TEST VESSEL FOR HIDROGEN INDUCED CRACKING TEST WITH SQUARE SHUT TYPE}

1 is a view of the prior art.

Figure 2 is a perspective view of a sealed rectangular glass test container according to the present invention.

Figure 3 is a cross-sectional view of the sealed rectangular glass test container according to the present invention.

<Description of Symbols for Main Parts of Drawings>

2: test tank 3: solution outlet

4: cover 5: gas inlet

6: solution collecting port 7: gas discharge device

8: safety valve device 9: fixing means

52: injection tube 62: suction tube

The present invention relates to a hydrogen organic cracked rectangular glass test container that can be sealed, and more particularly, to make the test chamber in which the test piece is embedded transparent, so that the change in the degree of corrosion of the test piece can be visually confirmed. The present invention relates to a hydrogen organic cracked rectangular glass test vessel that can be sealed. The sealable rectangular glass test vessel of the present invention is commonly referred to as a Hydrogen Induced Cracking (HIC) test vessel.

For example, members constituting various structures or machines used in an atmosphere of a corrosive solution such as brine to corrode metal and a corrosive gas such as sulfide gas should have excellent corrosion resistance.

As a method for the corrosion test of these members in the prior art was simply put the specimen in a test tank made of an opaque material was injected to the corrosion solution and corrosion gas to test the corrosion resistance of the specimen.

However, in the prior art, since the test tank is made of a simple case structure by an opaque material, the corrosion change cannot be visually confirmed, and thus there is a problem in that the precision and efficiency of the test are lowered.

On the other hand, the Republic of Korea Utility Model Registration No. 0338690 has been filed in order to improve the problems of the prior art.

Looking briefly with reference to Figure 1 for the prior art, the support (10); An edge is supported on the top of the support, made of transparent acrylic, and a thermocouple 28 and a heater 30 are installed on the outer circumferential surface to maintain the internal temperature at a constant temperature, and drain means for discharging the internal corrosion solution. A test tank 20 in which the lower portion 32 is installed; A porous plate 24 arranged horizontally in the test tank; And, made of a transparent acrylic, detachably coupled to the test tank to block the upper portion of the test tank, the gas injection valve 42 for injecting the corrosive gas and the gas vent 44 for discharging the corrosive gas from the test tank It consists of a cover plate 40 is installed.

However, since the prior art is an acrylic material, a reaction with the test solution is caused, which makes it difficult to attain the accuracy of the test.

In addition, the conventional technology has a problem that the space utilization rate is lowered because the test chamber is spherical, there is a lot of remaining space when the test piece is put.

In addition, the prior art has to open the lower drain means in order to collect the solution therein, there is a problem that it is difficult to collect only a small amount of the solution by the drain means.

The present invention has been made to solve the above-mentioned problems of the prior art, by using a glass as the test tank can prevent the reaction with the test solution at the source to improve the accuracy of the test, take the square shape The purpose of the present invention is to provide a sealable hydrogen-organic cracked square glass test container that can be mounted more specimens to maximize space utilization, and to facilitate the collection of trace amounts of solution.

The object of the present invention described above,

A test tank made of a transparent cylindrical material, having a stepped portion formed at an outer circumference of the upper side opening, a receiving portion formed therein, a gas inlet and a gas discharge port formed on the outside thereof, and a solution discharge hole formed at the bottom thereof; A cover formed at an outer circumference of a contact portion corresponding to the step, and installed at an opening of the test tank; Fastening means installed in close contact with the stepped portion of the test tank and the cover coupled; It can be achieved by a sealable hydrogen organic cracked square glass test container, characterized in that it comprises a coupling port installed in the cover, and a suction port consisting of a suction tube penetrated through the coupler inserted into the test chamber.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Attached Figure 2 is a perspective view of a sealed hydrogen organic cracked square glass test container according to the present invention, Figure 3 is a cross-sectional view of the sealed hydrogen organic cracked square glass test container according to the present invention.

As shown in Figures 2 and 3, the sealable hydrogen-organic cracked glass test vessel (A) according to the present invention is made of a transparent glass material, the stepped 22 is formed on the outer periphery of the upper side opening A test tank 2 formed therein, a receiving part 20 formed therein, a gas inlet 5 and a gas outlet 7 formed on an outer side thereof, and a solution outlet 3 formed at a lower portion thereof; A cover 4 formed on an outer circumference of the contact portion 42 corresponding to the step 22 and installed in the opening of the test tank 2; Fastening means (9) installed in close contact with the step (22) of the test tank (2) and the contact portion (42) of the cover (4) coupled; The solution collecting port 6 is composed of a coupler 64 installed in the cover 4 and a suction tube 62 penetrated through the coupler 64 and inserted into the test chamber 2.

The test tank 2 is formed of a rectangular cylinder made of transparent glass, an opening is formed in the upper portion and a receiving portion 20 is formed in the inner side, and an outward stepped portion 22 is formed at the outer periphery of the opening. do.

The lower portion of the step 22 is formed with a protrusion 224 protruding downward.

A gas inlet 5 is installed at one side wall of the test tank 2, and a gas outlet 7 is installed at the other side wall, and the gas inlet 5 is located at an inner lower portion of the test tank 2. The injection tube 52 is connected to allow the gas injected through the injection tube 52 to diffuse from the lower side to the upper side so that the reaction tube can be evenly reacted on the entire outer surface of the test piece (not shown).

And, the solution outlet (3) is provided on the bottom surface of the test tank (2), the solution outlet (3) is provided with an on-off valve.

The gas inlet 5 and the gas outlet 7 are coupled to the outside from the inside of the test tank 2, the socket 100 having a passage therein, and the socket from the outside of the test tank 2. It is composed of a coupler 200 is inserted into the coupling 100, the through-hole 210 is formed inside, and a valve (not shown) coupled to communicate with the through-path 210.

Therefore, the socket 100 is inserted from the inside of the test tank 2 to the outside, and then the coupler 200 is coupled to the socket 100 from the outside, and the through path 210 of the coupler 200 is coupled. The valve is connected to the gas so that gas can be injected or discharged into the test tank (2).

The cover 4 is covered with an opening of the test tank 2, and is formed in a rectangular shape so as to correspond to the shape of the opening, and a contact portion 42 corresponding to the step 22 is formed at the outer periphery.

Here, a stepped protrusion 424 is formed on the upper surface of the contact portion 42.

In addition, the cover 4 is formed so that the thickness becomes thicker from the center to the contact portion 42, the bottom surface of the cover 4 is formed concave upward.

Here, an o-ring groove is formed on either the upper surface of the step 22 of the test tank 2 or the lower surface of the contact portion 42 of the cover 4 to prevent the leakage of gas by installing the sealing O-ring 226. To improve the confidentiality that can be achieved.

The cover 4 is provided with a gas discharge device 7 for discharging the gas inside.

The gas exhaust device (7) is for discharging the reaction gas in the test tank (2), the socket 72 is penetrated to the outside from the inside of the cover 4, the passage is formed inside, and the cover (4) Fitted into the socket (72) from the outside of the coupling) is composed of a coupler (74) formed with a through path therein, a valve 76 communicating with the through path is installed.

In addition, the cover 4 is provided with a safety valve device 8, the safety valve device 8 is coupled to the outside through the inside of the cover 4 and the socket 82 is formed with a passage therein, and It is composed of a coupler 84, which is fitted to the socket 82 from the outside of the cover 4 and has a through path formed therein, and a safety valve 86 coupled to the coupler 84.

The fixing means 9 is provided to cover and close the cover 4 to the test tank 2, the upper clamping piece 92 in contact with the contact portion 42 of the cover 4, the test tank It consists of a lower clamping piece 94 in contact with the step (22) of (2), and includes a tightening bolt 96 for tightening or loosening the upper and lower clamping pieces (92,94).

In addition, the cover 4 is provided with a solution collector (6).

The solution collecting port 6 is coupled to the socket 62 through which the passage is formed from the inside of the cover 4 to the outside, and is fitted into the socket 62 from the outside of the cover 4 to be coupled to the inside. It consists of a coupler (64) having a through path formed therein, and a suction pipe (62) inserted into the coupler (64) and inserted into the test chamber (2).

Therefore, by coupling the syringe 66 to the upper portion of the coupler 64, it is possible to extract the solution inside.

Referring to the combination and operation of the present invention configured as described above are as follows.

A gas inlet 5 and a gas outlet 7 are provided on both side walls of the test tank 2, and a solution outlet 3 is provided below the bottom.

On the other hand, the cover 4 is provided with a solution collecting port (6), the gas discharge device (7) and the safety valve device (8) is installed, the sealing O-ring 226 on the step (22) of the cover (4) Intervene.

Thereafter, a plurality of test pieces are stacked or spaced in the test tank 2, the cover 4 is closed, and the fixing means 9 is fastened to close the cover 4 and the test tank 2. Be sure to

That is, the upper clamping piece 92 of the fixing means 9 is supported by the contact portion 42 of the cover 4, and the lower clamping piece 94 is supported by the step 22 of the test tank 2 After the tightening bolt 96 is tightened to be in an airtight state.

Thereafter, the test gas is injected through the gas inlet 5 or the corrosion solution is injected through the solution collecting port 6 to measure the test result by observing the reaction of the test piece.

In addition, it is possible to extract the reaction solution accumulated in the test tank (2) through the suction tube 62 of the solution collection port (6).

In addition, when excessive pressure is generated, the pressure is discharged through the safety valve device 8 so that the risk of explosion can be prevented.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be readily apparent to those skilled in the art that various modifications and variations are possible without departing from the spirit and scope of the invention, and all such changes and modifications are It is obvious that it belongs to the appended claims.

As described above, according to the present invention, by using the test tank as a glass material, the reaction with the test solution is not induced, thereby improving the accuracy of the experiment. It can be maximized space utilization, and it is easy to collect a small amount of solution through the solution collection port.

Claims (5)

It is made of a transparent cylinder made of a rectangular cylinder, the stepped portion 22 is formed on the outer periphery of the upper side opening, the receiving portion 20 is formed inside, the gas inlet 5 and the gas outlet 7 on the outside A test tank 2 formed therein and having a solution outlet 3 formed therein; A cover 4 formed at an outer end of the contact portion 42 corresponding to the step 22 and installed in the opening of the test chamber 2; Fastening means (9) installed in close contact with the step (22) of the test tank (2) and the contact portion (42) of the cover (4) coupled; A solution collecting port 6 consisting of a coupler 200 installed in the cover 4 and a suction tube 62 penetrated through the coupler 200 and inserted into the test tank 2. Square glass test vessel capable of sealing, characterized in that consisting of. The method of claim 1, Sealable rectangular glass test vessel, characterized in that the injection pipe 52 connected to the gas inlet (5) is installed on the inner lower portion of the test tank (2). The method of claim 1, The cover 4 is a rectangular glass test container capable of sealing, characterized in that the gas discharge device (7) for discharging the gas inside is installed. The method of claim 1, Oval groove is formed at any one selected from the stepped portion 22 of the test tank 2 or the contact portion 42 of the cover 4, the sealing square is characterized in that the sealing O-ring 226 is installed Glass test container. The method of claim 1, The fixing means 9 is composed of an upper clamping piece 92 in contact with the contact portion 42 of the cover 4, and a lower clamping piece 94 in contact with the step 22 of the test tank 2 , Square glass test container capable of sealing, characterized in that it comprises a fastening bolt (96) for tightening or loosening the upper and lower clamping pieces (92,94).
KR1020070046982A 2007-05-15 2007-05-15 Glass test vessel for hidrogen induced cracking test with square shut type KR20080100930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070046982A KR20080100930A (en) 2007-05-15 2007-05-15 Glass test vessel for hidrogen induced cracking test with square shut type

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Application Number Priority Date Filing Date Title
KR1020070046982A KR20080100930A (en) 2007-05-15 2007-05-15 Glass test vessel for hidrogen induced cracking test with square shut type

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KR20080100930A true KR20080100930A (en) 2008-11-21

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102053024B (en) * 2009-10-30 2012-09-19 中石化第十建设有限公司 Method for manufacturing test piece of hydrogen induced cracking (HIC) and sulfide stress cracking (SSC) of welding material deposited metal
KR101717143B1 (en) 2015-12-11 2017-03-17 주식회사 포스코 Apparatus for locking cover of container used in hydrogen induced cracking test
KR20210076790A (en) * 2019-12-16 2021-06-24 주식회사 포스코 Apparatus for testing hydrogen delayed fracture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102053024B (en) * 2009-10-30 2012-09-19 中石化第十建设有限公司 Method for manufacturing test piece of hydrogen induced cracking (HIC) and sulfide stress cracking (SSC) of welding material deposited metal
KR101717143B1 (en) 2015-12-11 2017-03-17 주식회사 포스코 Apparatus for locking cover of container used in hydrogen induced cracking test
KR20210076790A (en) * 2019-12-16 2021-06-24 주식회사 포스코 Apparatus for testing hydrogen delayed fracture

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