CN109387451A - Real-time test device and method of the liquid to corrosion of metal rate - Google Patents
Real-time test device and method of the liquid to corrosion of metal rate Download PDFInfo
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- CN109387451A CN109387451A CN201710674554.3A CN201710674554A CN109387451A CN 109387451 A CN109387451 A CN 109387451A CN 201710674554 A CN201710674554 A CN 201710674554A CN 109387451 A CN109387451 A CN 109387451A
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- corrosion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- 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
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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Abstract
The present invention relates to a kind of liquid to the real-time test device and method of corrosion of metal rate, mainly solves the problems, such as that the period is too long in the prior art, can not know test result in real time.The present invention is by using a kind of liquid to the real-time test device of corrosion of metal rate, including thermostatic container, sample container, condenser pipe, balance, metal lacing film and corrosion-resistant cord, sample container is located in thermostatic container, sample container top is connected with condenser pipe, metal lacing film is located in sample container, metal lacing film top and corrosion-resistant one Duan Xianglian of cord, corrosion-resistant cord passes through inside condenser pipe to be connected with the hook under balance, balance is connected by data line with control computer and the technical solution of method preferably solves the above problem, it can be used for liquid in the real-time testing of corrosion of metal rate.
Description
Technical field
The present invention relates to a kind of liquid to the real-time test device and method of corrosion of metal rate.
Background technique
Liquid substance corrosivity is all by immersing metal lacing film, partly soaking or be suspended at fluid sample at present
On characterized by testing the weight change of metal lacing film after a period of time.Such as existing the United Nations is " about danger
Dangerous cargo transport recommendation-manual of tests and criteria " in the corrosive metal hanging chip test method of liquid substance.Due to liquid
Substance is slower to the corrosion rate of metal lacing film, and this method needs follow-on test at least 7 days time, other similar test sides
Method all there is a problem of same, in the case where needing to detect liquid within a short period of time to metal protection, can not apply
Such method test.In addition, this method can take out the weighing of metal lacing film after the end of the test, examination can not be learnt during test
Test result.
Summary of the invention
The first technical problem to be solved by the present invention is that the period is too long in the prior art, can not know test result in real time
The problem of, the new liquid of one kind is provided to the real-time test device of corrosion of metal rate.The device short, Neng Goushi with the period
The advantages of Shi get Zhi test result.The second technical problem to be solved by the present invention be to provide it is a kind of with the technical issues of solution it
Method for real-timely testing of the one corresponding liquid to corrosion of metal rate.
One of in order to solve the above problem, The technical solution adopted by the invention is as follows: a kind of liquid is to corrosion of metal rate
Real-time test device, including thermostatic container, sample container, condenser pipe, balance, metal lacing film and corrosion-resistant cord, sample holds
Device is located in thermostatic container, and sample container top is connected with condenser pipe, and metal lacing film is located in sample container, at the top of metal lacing film
With corrosion-resistant one Duan Xianglian of cord, corrosion-resistant cord passes through inside condenser pipe to be connected with the hook under balance, and balance passes through number
It is connected according to line with control computer.
In above-mentioned technical proposal, it is preferable that condenser pipe is inserted into the top of sample container, is waved for condensed fluid sample
The steam of hair.
In above-mentioned technical proposal, it is preferable that the sealed interface of pluggable condenser pipe is arranged at the top of sample container.
In above-mentioned technical proposal, it is preferable that balance is fixed on the surface of condenser pipe, and lower part has corrosion-resistant thin for hooking
The weight signal of the hook of rope, balance is output to computer.
In order to solve the above problem two, The technical solution adopted by the invention is as follows: a kind of liquid is to corrosion of metal rate
Method for real-timely testing, liquid is carried out to corrosion of metal rate to the real-time test device of corrosion of metal rate using liquid
Real-time testing, described device includes thermostatic container, sample container, condenser pipe, balance, metal lacing film and corrosion-resistant cord, sample
Product container is located in thermostatic container, and sample container top is connected with condenser pipe, and metal lacing film is located in sample container, metal lacing film
Top and corrosion-resistant one Duan Xianglian of cord, corrosion-resistant cord passes through inside condenser pipe to be connected with the hook under balance, and balance is logical
Data line is crossed to be connected with control computer；When carrying out real-time testing of the liquid to corrosion of metal rate, include the following steps:
(1) density p of fluid sample is testedLiquid, weigh for testing liquid to the quality m of the metal lacing film of rate of metal corrosionLacing film；(2)
One section of corrosion-resistant cord after condenser pipe and sample container tops interface below sample container lid is fastened into metal hanging
Piece；(3) fluid sample is packed into sample container；(4) upper end of corrosion-resistant cord is tied up on the hook of balance；(4) sample is buckled
Product container cover, and sample container is placed in inside thermostatic container, keep sample container in test process to be in controlled environment
At a temperature of；(5) the apparent weight situation of change that balance links up with upper metal lacing film is continuously monitored, in conjunction with the fluid sample density measured
ρLiquidWith the original quality m of metal lacing filmLacing filmThe two data can calculate fluid sample to the corrosion speed of metal lacing film in real time accordingly
Rate.
In above-mentioned technical proposal, it is preferable that thermostatic container is water bath with thermostatic control.
In above-mentioned technical proposal, it is preferable that the real-time weight change data of the metal lacing film of weighing is transmitted to control by balance
System calculates, i.e., obtains the real-time weight change data of metal lacing film in real time.
In above-mentioned technical proposal, it is preferable that the cooling medium of condenser pipe is recirculated water.
In above-mentioned technical proposal, it is preferable that the liquid is hazardous chemical.
It can solve two problems in traditional metal lacing film erosion test using the technical solution of this patent: (1)
The method time-consuming of traditional metal hanging built-in testing liquid corrosion is very long, generally requires the time of 7 days or even 1 month；(2) exist
The weight of metal lacing film can not be learnt during erosion test, the corrosion for also just having no idea to know fluid sample is to metal
The corrosion rate of lacing film after the time for only reaching test requirements document, can just calculate corrosion rate after taking out the weighing of metal lacing film.
The advantages of this patent is compared with the corrosivity scheme of traditional metal hanging slice method test liquid substance is: can be shorter
Time in test out liquid substance corrosivity, can learn fluid sample to metal hanging during the test
The corrosion rate of piece achieves preferable technical effect.
Detailed description of the invention
Fig. 1 is the flow diagram of device of the present invention.
In Fig. 1,1: water bath with thermostatic control；2: sample container；3: condenser pipe；4: balance；5: metal lacing film；6: corrosion-resistant cord；
7: balance hook.
The present invention will be further described below by way of examples, but is not limited only to the present embodiment.
Specific embodiment
[embodiment 1]
A kind of liquid is to the method for real-timely testing of corrosion of metal rate, using liquid to the real-time of corrosion of metal rate
Test device carries out liquid to the real-time testing of corrosion of metal rate, as shown in Figure 1, described device includes thermostatic container, sample
Product container, condenser pipe, balance, metal lacing film and corrosion-resistant cord, sample container are located in thermostatic container, sample container top with
Condenser pipe is connected, and metal lacing film is located in sample container, metal lacing film top and corrosion-resistant one Duan Xianglian of cord, corrosion-resistant cord
It passes through inside from condenser pipe and is connected with the hook under balance, balance is connected by data line with control computer.
Having heaters in the thermostatic water bath can heat hot water therein, for keeping internal sample container and institute
The fluid sample temperature of splendid attire is constant；
The sample container is placed in the inside of thermostatic water bath, for containing fluid sample to be tested, sample container
The sealed interface of pluggable condenser pipe is arranged at top；
The condenser pipe is inserted into the top of sample container, the steam to be volatilized for condensed fluid sample；
The balance is fixed on the surface of condenser pipe, and the hook for hooking corrosion-resistant cord is arranged at lower part, balance
Weight signal is output to computer；
Described corrosion-resistant cord one end ties up on the hole of metal lacing film, and the other end ties up to balance lower part after passing through condenser pipe
Hook on；
The metal lacing film ties up to the end of corrosion-resistant cord, and when test is placed in sample container, with testing liquid sample
Product or the contact of its steam.
The cooling medium of condenser pipe is recirculated water；
The real-time weight change data of the metal lacing film of weighing is transmitted to control and calculated by balance, i.e., obtains metal hanging in real time
The real-time weight change data of piece.
When carrying out real-time testing of the liquid to corrosion of metal rate, include the following steps: (1) test fluid sample
Density pLiquid, weigh for testing liquid to the quality m of the metal lacing film of rate of metal corrosionLacing film；(2) corrosion-resistant cord is passed through
One section after condenser pipe and sample container tops interface below sample container lid is fastened metal lacing film；(3) by fluid sample
It is packed into sample container；(4) upper end of corrosion-resistant cord is tied up on the hook of balance；(4) sample container lid is buckled, and by sample
Container is placed in inside thermostatic container, and sample container in test process is kept to be under controlled environment temperature；(5) continuous monitoring
Balance links up with the apparent weight situation of change of upper metal lacing film, in conjunction with the fluid sample density p measuredLiquidIt is original with metal lacing film
Quality mLacing filmThe two data can calculate fluid sample to the corrosion rate of metal lacing film in real time accordingly.
Obviously, using the method for this patent, it can be completed in a short time test, and can know test result in real time,
With biggish technical advantage, it can be used for hazardous chemical in the real-time testing of corrosion of metal rate.
Claims (9)
1. a kind of liquid is to the real-time test device of corrosion of metal rate, including thermostatic container, sample container, condenser pipe, day
Flat, metal lacing film and corrosion-resistant cord, sample container are located in thermostatic container, and sample container top is connected with condenser pipe, metal
Lacing film is located in sample container, wears inside condenser pipe at the top of metal lacing film with corrosion-resistant one Duan Xianglian of cord, corrosion-resistant cord
It crosses and is connected with the hook under balance, balance is connected by data line with control computer.
2. real-time test device of the liquid to corrosion of metal rate according to claim 1, it is characterised in that condenser pipe is inserted
Enter the top to sample container, the steam to be volatilized for condensed fluid sample.
3. real-time test device of the liquid to corrosion of metal rate according to claim 1, it is characterised in that sample container
Top have the sealed interface of pluggable condenser pipe.
4. real-time test device of the liquid to corrosion of metal rate according to claim 1, it is characterised in that balance is fixed
In the surface of condenser pipe, the hook for hooking corrosion-resistant cord is arranged at lower part, and the weight signal of balance is output to computer.
5. a kind of liquid carries out the method for real-timely testing of corrosion of metal rate using test device described in claim 1
Liquid includes the following steps: the density p of (1) test fluid sample to the real-time testing of corrosion of metal rateLiquid, weighing is used for
Liquid is tested to the quality m of the metal lacing film of rate of metal corrosionLacing film；(2) corrosion-resistant cord is passed through into condenser pipe and sample container
One section after tops interface below sample container lid is fastened metal lacing film；(3) fluid sample is packed into sample container；(4)
The upper end of corrosion-resistant cord is tied up on the hook of balance；(4) sample container lid is buckled, and sample container is placed in thermostatic container
Inside keeps sample container in test process to be under controlled environment temperature；(5) continuously monitoring balance links up with upper metal hanging
The apparent weight situation of change of piece, in conjunction with the fluid sample density p measuredLiquidWith the original quality m of metal lacing filmLacing filmThe two numbers
According to the real-time fluid sample that calculates is to the corrosion rate of metal lacing film.
6. method for real-timely testing of the liquid to corrosion of metal rate according to claim 5, it is characterised in that thermostatic container
For water bath with thermostatic control.
7. method for real-timely testing of the liquid to corrosion of metal rate according to claim 5, it is characterised in that balance will claim
The real-time weight change data of the metal lacing film of amount is transmitted to control and calculates, i.e., obtains the real-time weight change of metal lacing film in real time
Data.
8. method for real-timely testing of the liquid to corrosion of metal rate according to claim 5, it is characterised in that balance obtains
Metal lacing film real-time weight change data and fluid sample density pLiquidWith the original quality m of metal lacing filmLacing filmThe two data
In conjunction with can calculate in real time and obtain fluid sample to the corrosion rate of metal lacing film.
9. method for real-timely testing of the liquid to corrosion of metal rate according to claim 5, it is characterised in that the liquid
For hazardous chemical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710674554.3A CN109387451A (en) | 2017-08-09 | 2017-08-09 | Real-time test device and method of the liquid to corrosion of metal rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710674554.3A CN109387451A (en) | 2017-08-09 | 2017-08-09 | Real-time test device and method of the liquid to corrosion of metal rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109387451A true CN109387451A (en) | 2019-02-26 |
Family
ID=65415029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710674554.3A Pending CN109387451A (en) | 2017-08-09 | 2017-08-09 | Real-time test device and method of the liquid to corrosion of metal rate |
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| Country | Link |
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| CN (1) | CN109387451A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062235A (en) * | 2021-11-09 | 2022-02-18 | 四川科力特油气技术服务有限公司 | Sulfur-containing gas corrosion high-sensitivity evaluation device and evaluation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202204576U (en) * | 2011-09-21 | 2012-04-25 | 东北石油大学 | Weight gain/loss continuous real-time measuring balance for test piece |
| CN102928313A (en) * | 2012-10-19 | 2013-02-13 | 中国石油化工股份有限公司 | Liquid-to-metal corrosion testing device |
-
2017
- 2017-08-09 CN CN201710674554.3A patent/CN109387451A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202204576U (en) * | 2011-09-21 | 2012-04-25 | 东北石油大学 | Weight gain/loss continuous real-time measuring balance for test piece |
| CN102928313A (en) * | 2012-10-19 | 2013-02-13 | 中国石油化工股份有限公司 | Liquid-to-metal corrosion testing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062235A (en) * | 2021-11-09 | 2022-02-18 | 四川科力特油气技术服务有限公司 | Sulfur-containing gas corrosion high-sensitivity evaluation device and evaluation method |
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Application publication date: 20190226 |
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| RJ01 | Rejection of invention patent application after publication |