CN202916173U - Experiment system for evaluating corrosion property of deck-used steel of oil hold of crude oil tanker - Google Patents
Experiment system for evaluating corrosion property of deck-used steel of oil hold of crude oil tanker Download PDFInfo
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- CN202916173U CN202916173U CN 201220593443 CN201220593443U CN202916173U CN 202916173 U CN202916173 U CN 202916173U CN 201220593443 CN201220593443 CN 201220593443 CN 201220593443 U CN201220593443 U CN 201220593443U CN 202916173 U CN202916173 U CN 202916173U
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Abstract
An experiment system for evaluating the corrosion property of deck-used steel of an oil hold of a crude oil tanker belongs to the field of moisture corrosion simulation experiments, and comprises a cold/hot water circulating system, a temperature control system, a gas flow control system, a circumscribed data recording system, an experiment test system, a pipeline, a gas buffering device and a waste gas absorption device, wherein the experiment test system comprises a temperature sensor, an experiment container, a container seal cover, a sample clamp, a constant-temperature water bath, and a seal ring; and the container seal cover is provided with a water trough. A metal sample (7) and a sample temperature sensor (8) are fastened on the container seal cover (4) with the water trough (3) through the sample clamp (6); the sample temperature sensor (8) is used for collecting temperature signals of the metal sample (7) on the sample clamp (6) and feeding back the temperature signals to the temperature control system; and the temperature control system sends a signal to the cold/hot water circulating system to control the temperature of water flowing into the container seal cover. Therefore, the sample is heated, insulated and cooled to meet experimental requirements.
Description
Technical field
The utility model belongs to humidity corrosion simulated experiment field, the utility model provides a kind of corrosion experiment system that makes under the condition that the steel sample is in crude oil tanker oil cargo tank corrosive gas environment alternation of wetting and drying, be applicable to contain the humidity corrosion behavior of crude oil tanker oil cargo tank upper deck and the mechanism research of multiple corrosive gas, be particularly useful for the research of anti-corrosion ship steel oil cargo tank upper deck Evaluation of Corrosion Resistance.
Background technology
Crude oil tanker is one of main tool of crude oil sea transport, not only causes the tremendous economic loss because the oil carrier that the corrosion of crude oil tanker oil cargo tank causes loses efficacy, and to marine environment also harm.Oil cargo tank top upper deck and roof beam structure steel are in for a long time and contain the CO that the crude oil volatilization produces
2, H
2S, SO
2And O in the air
2The wet gas environments of multiple corrosive gas in.Because round the clock conversion causes the variation of upper deck and near environment temperature, cause upper deck that the thin liquid film corrosion of multiple corrosive gas occurs with steel.Carry out the corrosion research of corrosion-resisting steel under the oil cargo tank upper deck alternation of wetting and drying, exploitation crude oil carrier oil cargo tank is significant with corrosion-resisting steel.Because oil cargo tank upper deck corrosion environment is very unique, when research oil cargo tank upper deck is used the corrosion mechanism of corrosion-resisting steel, lack the experimental provision that can be used for simulating the multiple etchant gas condensed fluid corrosion of oil cargo tank upper deck, thereby affected the corrosion research of oil cargo tank upper deck, also affected the Evaluation of Corrosion Resistance work to the corrosion-resisting steel that is used for the oil cargo tank upper deck simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of experimental system of Simulation of Crude Oil oil carrier oil cargo tank upper deck humidity corrosion environment, solve the corrosion simulated experiment problem of steel in the oil cargo tank upper deck environment that contains multiple corrosive gas alternation of wetting and drying, can effectively carry out the Evaluation of Corrosion Resistance experiment of steel in the oil cargo tank upper deck corrosion environment.
A kind of crude oil tanker oil cargo tank upper deck of estimating partly is comprised of the hot and cold water circulation system, temperature control system, gas Flowrate Control System, external data register system, experiment test system, pipeline and gas buffer, exhaust gas absorption device etc. with the experimental system of steel corrosion performance.
Experiment test system includes temperature sensor, experiment container, the closing flaps with tank, specimen holder, water bath with thermostatic control, O-ring seal etc.Experiment test system utilizes specimen holder, test button, specimen temperature sensor are fastened on the closing flaps with tank, the specimen temperature sensor gathers the temperature signal of sample on the anchor clamps, feed back to temperature control system, by temperature control system the hot and cold water circulation system is sent signal again, thereby control flows into the temperature of the water in the closing flaps, reaches thus the effect that sample is heated, is incubated, cools off.This device adopts corrosion resistant polytetrafluoro O-ring seal, comes container is sealed.Employing has the closing flaps that the material of good heat conductive effect is made into, and guarantees that water temperature is to the conduction of heat of sample.
In the experimentation, can record by the registering instrument in the external data register system signal of specimen temperature sensor and solution temperature sensor output, and temperature is carried out Real-Time Monitoring, record and superhigh temperature and low-temperature warning.
Gas Flowrate Control System links to each other with experiment test system by pipeline and gas buffer.The exhaust gas absorption device by experiment exhaust line in the test macro links to each other with experiment test system.
Experiment test system is by 1 admission line, 2 tank water inlets, 3 capping tanks, 4 closing flaps, 5 O-ring seals, 6 specimen holders, 7 samples, 8 specimen temperature sensors, 9 solution temperature sensors, 10 experiment containers, 11 experimental test samples, 12 fastening bolts, 13. capping fastening bolts, 14. the tank water delivering orifice, 15. exhaust lines consist of.Sample 7 and specimen temperature sensor 8 are placed on the circular specimen holder 6, and specimen holder is fixed on closing flaps 4 back sides by fastening bolt 12, guarantee sample and closing flaps close contact.Polytetrafluoro O-ring seal 5 is placed on the experiment container 10, and covered container capping 4 utilizes capping fastening bolt 13 with capping and experiment container sealing.Tank water inlet 2 is linked to each other with water inlet with the water delivering orifice of the hot and cold water circulation system respectively with tank water delivering orifice 14.By wire, specimen temperature sensor 8 is connected with temperature control system, again specimen temperature sensor 8 is connected with the external data register system with solution temperature sensor 9.
The beneficial effect of this device is by temperature control system and the hot and cold water circulation system, to control accurately the temperature of target sample, thereby to reach requirement of experiment.In the experimentation, digital data recording system can record the data in the experimentation, such as temperature, the water temperature in the container, the gas flow of sample, and the temperature and humidity of environment.This device can be used for to steel Evaluation of Corrosion Resistance research in containing the crude oil tanker upper deck corrosion environment of multiple corrosive gas.
Description of drawings
Below in conjunction with Fig. 1 the utility model patent is further specified.
Fig. 1 is the structural representation of the utility model experiment test system.
1 admission line among Fig. 1,2 tank water inlets, 3 capping tanks, 4 closing flaps, 5 O-ring seals, 6 specimen holders, 7 samples, 8 specimen temperature sensors, 9 solution temperature sensors, 10 experiment containers, 11 experimental test samples, 12 fastening bolts, 13. capping fastening bolts, 14. the tank water delivering orifice, 15. exhaust lines.
Fig. 1 explanation: the tank water inlet of closing flaps is connected with the cold cycling water system with water outlet pipe, has water pump that water is circulated in the capping tank in the hot and cold water circulation system.Sample and closing flaps inside surface closely are affixed, and recirculated water can conduct heat to sample by capping, thereby to sample heating or cooling.The hot and cold water circulation system, temperature control system, gas Flowrate Control System, external data register system and gas recovery system omit in Fig. 1 among Fig. 1.
Embodiment:
Open closing flaps 4, pour experiment in the container into and use solution, the position of liquid level of solution will be apart from container bottom 180mm.Sample 7 and specimen temperature sensor 8 are placed on the circular specimen holder 6, specimen holder is fixed on closing flaps 4 back sides by fastening bolt 12, guarantee sample and closing flaps close contact.Polytetrafluoro O-ring seal 5 is placed on the experiment container 10, and covered container capping 4 utilizes capping fastening bolt 13 with capping and experiment container sealing.Tank water inlet 2 is linked to each other with water inlet with the water delivering orifice of the hot and cold water circulation system respectively with tank water delivering orifice 14.By wire, specimen temperature sensor 8 is connected with temperature control system, again specimen temperature sensor 8 is connected with the external data register system with solution temperature sensor 9.Passing into experiment by admission line 1 uses gas (such as CO
2-O
2-H
2S-SO
2-N
2), by the gas in the exhaust line 15 eliminating containers, to guarantee the saturated atmosphere in the experimental situation.The temperature of sample 7 and solution can be presented on the digital screen by temperature control system and external data register system.By the heating and cooling of recirculated water, the temperature of sample 7 and the temperature of water produce difference, and when being lower than the water temperature in the container, steam condenses into condensate water at specimen surface; When being higher than the water temperature in the container, the specimen surface condensate evaporation.This experimental provision effectively Simulation of Crude Oil oil carrier oil cargo tank upper deck contains the wet gas environments of multiple etchant gas.
Claims (2)
1. estimate crude oil tanker oil cargo tank upper deck with the experimental system of steel corrosion performance for one kind, it is characterized in that being formed by the hot and cold water circulation system, temperature control system, gas Flowrate Control System, external data register system, experiment test system, pipeline and gas buffer, exhaust gas absorption device; Wherein experiment test system includes temperature sensor, experiment container, the closing flaps with tank, specimen holder, water bath with thermostatic control, O-ring seal; Experiment test system utilizes specimen holder, test button (7), specimen temperature sensor (8) are fastened on the closing flaps (4) with tank, connect temperature control system by specimen temperature sensor (8), connect the hot and cold water circulation system by temperature control system again; The external data register system is connected 9 with specimen temperature sensor (8) with the solution temperature sensor) the defeated connection; Gas Flowrate Control System links to each other with experiment test system by pipeline and gas buffer, and the exhaust gas absorption device by experiment exhaust line in the test macro links to each other with experiment test system.
According to claim 1 described a kind of crude oil tanker oil cargo tank upper deck of estimating with the experimental system of steel corrosion performance, it is characterized in that experiment test system by admission line (1), tank water inlet (2), capping tank (3), closing flaps (4), O-ring seal (5), specimen holder (6), sample (7), specimen temperature sensor (8), solution temperature sensor (9), experiment container (10), experimental test sample (11), fastening bolt (12). capping fastening bolt (13). tank water delivering orifice (14). exhaust line (15) consists of; Sample (7) and specimen temperature sensor (8) are placed on the circular specimen holder (6), and specimen holder is fixed on closing flaps (4) back side by fastening bolt (12), guarantee sample and closing flaps close contact; O-ring seal (5) is placed on the experiment container (10), and covered container capping (4) utilizes capping fastening bolt (13) with capping and experiment container sealing; Tank water inlet (2) is linked to each other with water inlet with the water delivering orifice of the hot and cold water circulation system respectively with tank water delivering orifice (14); By wire specimen temperature sensor (8) is connected with temperature control system, again specimen temperature sensor (8) is connected with the external data register system with solution temperature sensor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593443 CN202916173U (en) | 2012-11-12 | 2012-11-12 | Experiment system for evaluating corrosion property of deck-used steel of oil hold of crude oil tanker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593443 CN202916173U (en) | 2012-11-12 | 2012-11-12 | Experiment system for evaluating corrosion property of deck-used steel of oil hold of crude oil tanker |
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|---|---|
| CN202916173U true CN202916173U (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220593443 Expired - Fee Related CN202916173U (en) | 2012-11-12 | 2012-11-12 | Experiment system for evaluating corrosion property of deck-used steel of oil hold of crude oil tanker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106659946A (en) * | 2014-09-02 | 2017-05-10 | 欧博赫斯沃生物物理设备有限责任公司 | Method for cooling the lid of a water bath of a research or testing device |
-
2012
- 2012-11-12 CN CN 201220593443 patent/CN202916173U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106659946A (en) * | 2014-09-02 | 2017-05-10 | 欧博赫斯沃生物物理设备有限责任公司 | Method for cooling the lid of a water bath of a research or testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20151112 |
|
| EXPY | Termination of patent right or utility model |