CN214539164U - Intergranular corrosion test device with water circulation function - Google Patents
Intergranular corrosion test device with water circulation function Download PDFInfo
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- CN214539164U CN214539164U CN202120673350.XU CN202120673350U CN214539164U CN 214539164 U CN214539164 U CN 214539164U CN 202120673350 U CN202120673350 U CN 202120673350U CN 214539164 U CN214539164 U CN 214539164U
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Abstract
The utility model discloses an intergranular corrosion test device with water circulation function, which is used for intergranular corrosion test of test metal and comprises a test unit, a condensation unit and a circulation unit, wherein the test unit comprises a container containing corrosive liquid and a heating module used for heating the corrosive liquid in the container, and the test metal is immersed in the corrosive liquid; the condensing unit is positioned above the container and comprises a shell and a condensing pipe arranged in the shell, wherein a pipe orifice at one end of the condensing pipe is communicated with the container, and a pipe orifice at the other end of the condensing pipe is communicated with the outside air; the circulating unit comprises a water tank containing cooling water and two circulating pipelines communicated between the water tank and the shell. The utility model discloses an intercrystalline corrosion test device, through the setting of circulation unit for carrying out refrigerated in-process to corrosive gas, be used for refrigerated cooling water can realize cyclic utilization, both practiced thrift the water resource, stopped the incident because of cutting off the water and causing again.
Description
Technical Field
The utility model relates to an intercrystalline corrosion test device with hydrologic cycle function.
Background
The intergranular corrosion test is one of important detection items of the pressure vessel, when a metallographic test is performed on a metal material, intergranular corrosion needs to be performed on a sample of the material, and in order to accelerate a corrosion process, the material sample needs to be put into a micro-boiling corrosion liquid to be continuously corroded for tens of hours or even tens of hours, so that the intergranular corrosion process can be completed. In the process, the corrosive gas formed by evaporating the corrosive liquid needs to be cooled continuously to prevent the corrosive liquid from being burnt out.
The existing intergranular corrosion test device is usually directly filled with tap water to cool corrosive gas, and the cooled tap water is directly discharged from a sewer.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing an intergranular corrosion test device with a water circulation function.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
an intercrystalline corrosion test device with a water circulation function is used for intercrystalline corrosion test of test metals and comprises a test unit, a condensation unit and a circulation unit,
the test unit comprises a container containing corrosive liquid, and a heating module for heating the corrosive liquid in the container, wherein the test metal is immersed in the corrosive liquid;
the condensation unit is positioned above the container and comprises a shell and a condensation pipe arranged in the shell, wherein a pipe orifice at one end of the condensation pipe is communicated with the container, and a pipe orifice at the other end of the condensation pipe is communicated with the outside air;
the circulating unit comprises a water tank containing cooling water and two circulating pipelines communicated between the water tank and the shell.
Preferably, the heating module is a heating furnace supported below the container.
Preferably, the housing extends in an up-down direction, and the condensation duct is inserted into the housing in an axial direction thereof.
Further preferably, the condensation pipe comprises a first pipe body and a second pipe body which are arranged in a staggered mode along the length direction of the condensation pipe, the first pipe body is cylindrical, and the second pipe body is ellipsoidal.
Preferably, the condensing unit further comprises two connecting pipes which are respectively arranged at two ends of the shell and communicated with pipe orifices at two ends of the condensing pipe, wherein one of the connecting pipes is communicated with the container, and the other connecting pipe is communicated with the outside air.
Preferably, the two circulation pipelines include a first pipeline for sending the cooling water in the water tank into the housing and a second pipeline for sending the cooling water in the housing back into the water tank, wherein the first pipeline is communicated with the upper part of the housing, and the second pipeline is communicated with the lower part of the housing.
Further preferably, the water tank is located below one side of the housing, and the circulation unit further includes a water pump for pumping the cooling water in the water tank into the housing.
Further preferably, the circulation unit further comprises a valve arranged on the second pipeline and used for controlling the second pipeline to be switched on and off.
Preferably, the circulation unit further comprises a water replenishing port arranged on the water tank and a water replenishing pipe with one end communicated with the water replenishing port, and the other end of the water replenishing pipe is communicated with a water source.
Preferably, the test device still includes the supporting element who is used for supporting the condensation unit, the supporting element is including being located casing one side the support, connect in support upper portion just towards being close to the bracing piece of the direction extension of casing, locating the bracing piece is close to the clamping jaw of casing one end, the casing inlay card in the clamping jaw.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses an intercrystalline corrosion test device, through the setting of circulation unit for carrying out refrigerated in-process to corrosive gas, be used for refrigerated cooling water can realize cyclic utilization, both practiced thrift the water resource, stopped the incident because of cutting off the water and causing again.
Drawings
Fig. 1 is a schematic structural diagram of an intergranular corrosion test apparatus according to an embodiment of the present invention.
In the figure: 1. a container; 2. a heating module; 3. a housing; 4. a condenser tube; 4a, a first pipe body; 4b, a second pipe body; 5. a water tank; 6. a circulation line; 6a, a first pipeline; 6b, a second pipeline; 7. a connecting pipe; 8. a water pump; 9. a valve; 10. a water replenishing port; 11. a water replenishing pipe; 12. a support; 13. a support bar; 14. a clamping jaw; 15. an exhaust hood; 16. and (4) exhausting the gas.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
The utility model relates to an improve intercrystalline corrosion test device, modified test device through the setting of circulation unit for carry out refrigerated in-process to corrosive gas, be used for refrigerated cooling water can realize cyclic utilization, both practiced thrift the water resource, stopped the incident because of stopping water and causing again.
Referring to fig. 1, an intercrystalline corrosion test device with a water circulation function is shown, which is used for intercrystalline corrosion test of a test metal and comprises a test unit, a condensation unit and a circulation unit.
The test unit comprises a container 1 containing corrosive liquid and a heating module 2 used for heating the corrosive liquid in the container 1, and test metal is immersed in the corrosive liquid; the heating module 2 in this example is a heating furnace supported below the container 1.
The condensing unit is positioned above the container 1 and comprises a shell 3 and a condensing pipe 4 arranged in the shell 3, wherein a pipe orifice at one end of the condensing pipe 4 is communicated with the container 1, and a pipe orifice at the other end of the condensing pipe is communicated with the outside air; wherein, the shell 3 extends along the up-and-down direction, and the condensation pipe 4 is arranged in the shell 3 along the axial direction.
The circulation unit comprises a water tank 5 containing cooling water, and two circulation pipelines 6 communicated between the water tank 5 and the shell 3.
Thus, during testing, the heating module 2 is used for continuously heating the corrosive liquid to keep the corrosive liquid in a slightly boiling state, so that the test metal can be continuously corroded in the corrosive liquid; the heated and evaporated corrosive gas upwards enters the condensation pipe 4, exchanges heat with cooling water introduced into the shell 3 and condenses, then falls back downwards into the container 1, and the cooling water after heat exchange flows back into the water tank 5 through the circulating pipeline 6 to realize circulation.
Preferably, the condensation duct 4 comprises a first tubular body 4a and a second tubular body 4b arranged in a staggered manner along the length direction thereof, the first tubular body 4a being cylindrical and the second tubular body 4b being ellipsoidal. So, can pass through second body 4b gradually and carry out the heat transfer with the cooling water in the casing 3 when the upwards loss of vapor of corrosive liquid, ellipsoidal second body 4b has increased the heat transfer area of corrosive gas with the cooling water, has strengthened the cooling effect.
In this embodiment, the condensing unit further includes two connecting pipes 7 respectively disposed at two ends of the housing 3 and communicated with pipe openings at two ends of the condensing pipe 4, wherein one of the connecting pipes 7 is communicated with the container 1, and the other connecting pipe 7 is communicated with the outside air.
Further, an exhaust unit for exhausting corrosive gas is arranged above the condensation unit, the exhaust unit comprises an exhaust hood 15 and an exhaust pipe 16 communicated with the exhaust hood 15, and the arrangement of the exhaust unit avoids the corrosive gas from being filled in the test space to influence the health of operators.
In the present embodiment, the two circulation pipes 6 include a first pipe 6a for sending the cooling water in the water tank 5 into the housing 3, and a second pipe 6b for sending the cooling water in the housing 3 back into the water tank 5, wherein the first pipe 6a is communicated with the upper portion of the housing 3, and the second pipe 6b is communicated with the lower portion of the housing 3. Thus, the cooling water introduced into the housing 3 is facilitated to flow downward and exchange heat with the rising corrosive gas.
Further, a water tank 5 is located below one side of the case 3, and the circulation unit further includes a water pump 8 for pumping the cooling water in the water tank 5 into the case 3. The circulation unit further comprises a valve 9 arranged on the second pipeline 6b and used for controlling the on-off of the second pipeline 6 b.
In this embodiment, the circulation unit further includes a water replenishing port 10 opened on the water tank 5, and a water replenishing pipe 11 having one end communicated with the water replenishing port 10, and the other end of the water replenishing pipe 11 is communicated with a water source. The water source here is a conventional water supply source.
In this embodiment, the testing apparatus further includes a supporting unit for supporting the condensing unit, the supporting unit includes a bracket 12 located on one side of the housing 3, a supporting rod 13 connected to an upper portion of the bracket 12 and extending toward a direction close to the housing 3, and a clamping jaw 14 disposed at one end of the supporting rod 13 close to the housing 3, and the housing 3 is embedded in the clamping jaw 14.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides an intercrystalline corrosion test device with hydrologic cycle function for carry out intercrystalline corrosion test to experimental metal, its characterized in that: comprises a test unit, a condensing unit and a circulating unit,
the test unit comprises a container containing corrosive liquid, and a heating module for heating the corrosive liquid in the container, wherein the test metal is immersed in the corrosive liquid;
the condensation unit is positioned above the container and comprises a shell and a condensation pipe arranged in the shell, wherein a pipe orifice at one end of the condensation pipe is communicated with the container, and a pipe orifice at the other end of the condensation pipe is communicated with the outside air;
the circulating unit comprises a water tank containing cooling water and two circulating pipelines communicated between the water tank and the shell.
2. The intergranular corrosion test apparatus with water circulation function according to claim 1, wherein: the heating module is a heating furnace supported below the container.
3. The intergranular corrosion test apparatus with water circulation function according to claim 1, wherein: the shell extends along the up-down direction, and the condensation pipe penetrates through the shell along the axial direction of the condensation pipe.
4. The intergranular corrosion test apparatus with water circulation function according to claim 3, wherein: the condenser pipe comprises a first pipe body and a second pipe body which are arranged in a staggered mode along the length direction of the condenser pipe, the first pipe body is cylindrical, and the second pipe body is ellipsoidal.
5. The intergranular corrosion test apparatus with water circulation function according to claim 1, wherein: the condensation unit also comprises two connecting pipes which are respectively arranged at two ends of the shell and communicated with pipe orifices at two ends of the condensation pipe, wherein one connecting pipe is communicated with the container, and the other connecting pipe is communicated with the outside air.
6. The intergranular corrosion test apparatus with water circulation function according to claim 1, wherein: the two circulating pipelines comprise a first pipeline for sending cooling water in the water tank into the shell and a second pipeline for sending the cooling water in the shell back into the water tank, wherein the first pipeline is communicated with the upper part of the shell, and the second pipeline is communicated with the lower part of the shell.
7. The intergranular corrosion test apparatus with water circulation function according to claim 6, wherein: the water tank is located below one side of the housing, and the circulation unit further includes a water pump for pumping the cooling water in the water tank into the housing.
8. The intergranular corrosion test apparatus with water circulation function according to claim 6, wherein: the circulating unit also comprises a valve which is arranged on the second pipeline and is used for controlling the second pipeline to be switched on and off.
9. The intergranular corrosion test apparatus with water circulation function according to claim 1, wherein: the circulating unit further comprises a water replenishing port arranged on the water tank and a water replenishing pipe with one end communicated with the water replenishing port, and the other end of the water replenishing pipe is communicated with a water source.
10. The intergranular corrosion test apparatus with water circulation function according to claim 1, wherein: the test device is characterized in that the test device further comprises a supporting unit for supporting the condensing unit, the supporting unit comprises a support positioned on one side of the shell, a supporting rod connected to the upper portion of the support and extending towards the direction close to the shell, a clamping jaw arranged at one end of the shell, and the shell is clamped and embedded in the clamping jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120673350.XU CN214539164U (en) | 2021-04-01 | 2021-04-01 | Intergranular corrosion test device with water circulation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120673350.XU CN214539164U (en) | 2021-04-01 | 2021-04-01 | Intergranular corrosion test device with water circulation function |
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| Publication Number | Publication Date |
|---|---|
| CN214539164U true CN214539164U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120673350.XU Active CN214539164U (en) | 2021-04-01 | 2021-04-01 | Intergranular corrosion test device with water circulation function |
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| CN (1) | CN214539164U (en) |
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2021
- 2021-04-01 CN CN202120673350.XU patent/CN214539164U/en active Active
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