CN211263077U - High-temperature pressurization and vacuum-pumping test device - Google Patents
High-temperature pressurization and vacuum-pumping test device Download PDFInfo
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- CN211263077U CN211263077U CN201921875986.1U CN201921875986U CN211263077U CN 211263077 U CN211263077 U CN 211263077U CN 201921875986 U CN201921875986 U CN 201921875986U CN 211263077 U CN211263077 U CN 211263077U
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Abstract
The utility model discloses a high temperature pressurization and evacuation test device belongs to building material test device field. The device comprises a test container, wherein a heating device is arranged in the test container, a main air port, a water inlet and an air release port are formed in the test container, a main air valve is connected to the main air port, the main air valve is connected with a pressurizing device and a vacuumizing device which are arranged side by side, the water inlet is connected with a water inlet valve, and the air release port is connected with an air release valve. The utility model discloses a high temperature pressurization and evacuation test device can realize that high temperature, pressurization and evacuation are as an organic whole, and the system integration level is high, is applicable to various occasions that need high temperature, high pressure and vacuum environment. The utility model discloses easy and simple to handle, dependable performance, each part can independent control according to experimental requirement, also can the antithetical couplet transfer control of each other, is applicable to various experimental condition.
Description
Technical Field
The utility model relates to a building material test device field especially indicates a high temperature pressurization and evacuation test device.
Background
High-temperature steam pressurization treatment is required during autoclaved curing of building materials such as aerated concrete blocks, concrete pipe piles, sand-lime bricks, coal-lime bricks, microporous calcium silicate boards, novel light wall materials, heat-insulating asbestos boards, high-strength gypsum and the like. Meanwhile, rubber products, refractory bricks, oil-impregnated coal and the like need to be vacuumized and pressurized. The autoclave in the prior art can only be heated and pressurized, and cannot discharge air filled in the autoclave, so that the performance of the material is influenced. In particular, oil invasion and coal infiltration of the refractory bricks, density measurement of the refractory bricks and the like need to be vacuumized to remove air, so that the pores of the refractory bricks are completely filled with liquid, and a common vacuumizing device cannot meet the requirement of a sample on high temperature and pressurization conditions, so that the test performance of the material is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a high temperature pressurization and evacuation test device, the utility model discloses realize that high temperature, pressurization and evacuation are as an organic whole, and the system integration degree is high, is applicable to various occasions that need high temperature, high pressure and vacuum environment.
The utility model provides a technical scheme as follows:
the utility model provides a high temperature pressurization and evacuation test device, includes test container, be provided with heating device in the test container, total gas port, water inlet and relief port have been seted up on the test container, be connected with the master gas valve on the total gas port, the master gas valve is connected with pressure device and evacuating device side by side, the water inlet is connected with the water intaking valve, the relief port is connected with the bleed valve.
Furthermore, the vacuum pumping device comprises a vacuum pump, a vacuum stop valve and an air extraction valve, and the vacuum pump is connected with the main air valve sequentially through the vacuum stop valve and the air extraction valve.
Further, a vacuum meter is arranged between the vacuum stop valve and the air extraction valve.
Furthermore, the pressurizing device comprises an air compressor, a pressure stop valve, a pressure reducing valve and an air inlet valve, and the air compressor is connected with the main air valve sequentially through the pressure stop valve, the pressure reducing valve and the air inlet valve.
Furthermore, a pressure gauge is arranged between the pressure reducing valve and the air inlet valve.
Furthermore, the test container comprises a container body and a sealing top cover, and the sealing top cover and the container body are locked and fixed through a locking nut.
Further, total gas port, water inlet and relief port set up on sealed top cap, heating device sets up inside the container main part, the inside bottom of container main part is provided with the sample support.
Further, the container body comprises an outer shell, an inner shell and a heat-insulating layer arranged between the outer shell and the inner shell.
Furthermore, a temperature controller is arranged outside the container main body, and a temperature sensor inserted into the container main body is arranged on the sealing top cover.
Furthermore, the test container can bear the pressure of 2.0MPa, and the accuracy of the temperature sensor can reach 0.1 ℃.
The utility model discloses following beneficial effect has:
the utility model discloses a high temperature pressurization and evacuation test device can realize that high temperature, pressurization and evacuation are as an organic whole, and the system integration level is high, is applicable to various occasions that need high temperature, high pressure and vacuum environment. The utility model discloses easy and simple to handle, dependable performance, each part can independent control according to experimental requirement, also can the antithetical couplet transfer control of each other, is applicable to various experimental condition.
Drawings
FIG. 1 is a schematic structural view of the high-temperature pressurization and vacuum-pumping test device of the present invention;
fig. 2 is a schematic diagram of the high-temperature pressurizing and vacuum-pumping test device of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
The utility model provides a high temperature pressurization and evacuation test device, as shown in fig. 1-2, the device includes test container 1, is provided with heating device 21 in the test container 1, has seted up total gas port 4 ', water inlet 2' and relief port 3 'on the test container 1, is connected with total air valve 4 on the total gas port 4', and total air valve 4 is connected with pressure device 100 and evacuating device 200 side by side, and water inlet 2 'is connected with water intaking valve 2, and relief port 3' is connected with bleed valve 3.
The utility model discloses in, heating device, pressure device, evacuating device can independent work each other, also can the antithetical couplet transfers control mutually. The utility model discloses a use as follows:
the sample was placed in a test container, and the atmosphere in the test container was kept sealed.
The water inlet valve and the air release valve are closed.
And opening the vacuumizing device, opening the main air valve, vacuumizing until the required vacuum degree is reached, closing the main air valve, closing the vacuumizing device, and keeping the vacuum sealing state of the test container.
And opening a water inlet valve, adding water into the test container from the water inlet, completely immersing the sample in the water, and closing the water inlet valve.
And opening the pressurizing device, opening the main gas valve, pressurizing the test container, closing the main gas valve when the specified pressure is reached, closing the pressurizing device, and keeping the test container in a pressurizing state.
If heating is needed, the heating device in the test container is turned on.
After the test is finished, the air release valve is opened to release air to be in a state of being balanced with the atmospheric pressure.
The above processes are not in strict time sequence relationship, and all the processes are not required to be executed, and the steps and the sequence of execution can be selected according to the needs of the test.
The utility model discloses a high temperature pressurization and evacuation test device can realize that high temperature, pressurization and evacuation are as an organic whole, and the system integration level is high, is applicable to various occasions that need high temperature, high pressure and vacuum environment. The utility model discloses easy and simple to handle, dependable performance, each part can independent control according to experimental requirement, also can the antithetical couplet transfer control of each other, is applicable to various experimental condition.
The utility model discloses do not restrict evacuating device's structural style, in an example: the vacuum pumping device 200 comprises a vacuum pump 7, a vacuum stop valve 8 and an air extraction valve 5, wherein the vacuum pump 7 is connected with the main air valve 4 sequentially through the vacuum stop valve 8 and the air extraction valve 5.
A vacuum gauge 9 is preferably arranged between the vacuum stop valve 8 and the suction valve 5.
The present invention does not limit the structural form of the pressurizing device, and in one example: the pressurizing device 100 comprises an air compressor 13, a pressure stop valve 12, a pressure reducing valve 11 and an air inlet valve 6, wherein the air compressor 13 is connected with the main air valve 4 sequentially through the pressure stop valve 12, the pressure reducing valve 11 and the air inlet valve 6.
A pressure gauge 10 is preferably provided between the pressure reducing valve 11 and the inlet valve 6.
The utility model discloses do not limit the structural style of experimental container, in an example: the test container 1 comprises a container body 1 'and a sealing top cover 20, and the sealing top cover 20 is locked and fixed with the container body 1' through a locking nut 15.
Preferably, the main air port 4 ', the water inlet 2 ' and the air release port 3 ' are arranged on the sealing top cover 20, the heating device 21 is arranged inside the container body 1', and the sample support 18 is arranged at the bottom inside the container body 1 '.
In order to withstand a large air pressure and enhance the heat insulating performance, the container body 1' includes an outer shell 14, an inner shell 19, and an insulating layer 17 disposed between the outer shell 14 and the inner shell 19.
The container body 1 'is provided with a temperature controller 22 on the outside, and the seal cap 20 is provided with a temperature sensor 16 inserted into the container body 1'.
The utility model discloses an experimental container can bear 2.0 MPa's pressure, and temperature sensor's precision can reach 0.1 ℃.
The following will describe the application process of the present invention in detail by taking the measurement of the bulk density of the refractory brick as an example:
1. the seal cap is opened, the sample is loaded into the test container 1, and the lock nut 15 is tightened to keep the atmosphere of the test container 1 closed.
2. Closing the water inlet valve 2 and the air release valve 3, and opening the vacuum pump 7 and the vacuum stop valve 8 to start vacuumizing; opening the air extraction valve 5, opening the main air valve 4, extracting vacuum, and observing the change of the vacuum meter 9; and after the required vacuum degree is reached, closing the air extraction valve 5, then closing the main air valve 4, finally closing the vacuum pump 7 and the vacuum stop valve 8, and keeping the vacuum sealing state of the test container, wherein the pressure in the vacuum state is less than 2500 KPa.
3. The water inlet valve 2 is opened, water is added into the test container from the water inlet 2', the refractory bricks are completely immersed in the water, and the water inlet valve 2 is closed.
4. And (3) opening the air compressor 13, closing the pressure stop valve 12, starting air storage of an air storage tank of the air compressor, gradually increasing the air pressure to a preset pressure, and closing the air compressor 13.
5. Opening the pressure reducing valve 11 and the air inlet valve 6, opening the main air valve 4, pressurizing the test container 1, observing the reading of the pressure gauge 10, closing the main air valve 4, the air inlet valve 6 and the pressure reducing valve 11 when the specified pressure is reached, and keeping the stable pressure state in the test container, wherein the highest pressurizing pressure can reach 2.0 MPa.
6. If heating is needed, the temperature controller 22 of the test container 1 is opened, and heating is controlled according to the temperature obtained by the temperature sensor 16 and the temperature controller 22, wherein the heating temperature can reach 200 ℃ at most.
7. After the test is finished, the air release valve 3 is opened and is released to be in a state of keeping balance with the atmospheric pressure.
The utility model is used for high temperature pressurization and evacuation test device compares prior art's test device, can realize high temperature, pressurization and evacuation as an organic whole, and the system integrated level is high, is applicable to various occasions that need high temperature, high pressure and vacuum environment. The high-temperature pressurizing and vacuumizing test device has the advantages of simplicity, accuracy, reliability and the like, and the temperature sensor is fixed by the nut from the sealing top cover of the heating test container, so that the device is convenient to disassemble.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The high-temperature pressurizing and vacuumizing test device is characterized by comprising a test container, wherein a heating device is arranged in the test container, a main air port, a water inlet and an air release port are formed in the test container, a main air valve is connected to the main air port, the main air valve is connected with a pressurizing device and a vacuumizing device which are arranged side by side, the water inlet is connected with a water inlet valve, and the air release port is connected with an air release valve.
2. The high-temperature pressurizing and vacuumizing test device according to claim 1, wherein the vacuumizing device comprises a vacuum pump, a vacuum stop valve and an air extracting valve, and the vacuum pump is connected with a main air valve sequentially through the vacuum stop valve and the air extracting valve.
3. The high-temperature pressurization and vacuum-pumping test device according to claim 2, wherein a vacuum gauge is arranged between the vacuum stop valve and the suction valve.
4. A high temperature pressurization and vacuum pumping test device as claimed in any one of claims 1 to 3, wherein the pressurization device comprises an air compressor, a pressure stop valve, a pressure reducing valve and an air inlet valve, and the air compressor is connected with the main air valve through the pressure stop valve, the pressure reducing valve and the air inlet valve in sequence.
5. The high-temperature pressurization and vacuum pumping test device according to claim 4, wherein a pressure gauge is arranged between the pressure reducing valve and the air inlet valve.
6. The high-temperature pressurization and vacuum-pumping test device according to claim 5, wherein the test container comprises a container body and a sealing top cover, and the sealing top cover and the container body are locked and fixed through a locking nut.
7. The high-temperature pressurization and vacuum-pumping test device according to claim 6, wherein the main gas port, the water inlet and the gas release port are arranged on the sealing top cover, the heating device is arranged inside the container main body, and the bottom inside the container main body is provided with the sample support.
8. The high-temperature pressurization and vacuum-pumping test device according to claim 6, wherein the container body comprises an outer shell, an inner shell and an insulating layer arranged between the outer shell and the inner shell.
9. The high-temperature pressurization and vacuum-pumping test device according to claim 8, wherein a temperature controller is provided outside the container main body, and a temperature sensor inserted into the container main body is provided on the sealing top cover.
10. The high-temperature pressurization and vacuum-pumping test device according to claim 9, wherein the test container can bear a pressure of 2.0MPa, and the accuracy of the temperature sensor can reach 0.1 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875986.1U CN211263077U (en) | 2019-11-04 | 2019-11-04 | High-temperature pressurization and vacuum-pumping test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875986.1U CN211263077U (en) | 2019-11-04 | 2019-11-04 | High-temperature pressurization and vacuum-pumping test device |
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| CN211263077U true CN211263077U (en) | 2020-08-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702426A (en) * | 2021-09-24 | 2021-11-26 | 中国建材检验认证集团股份有限公司 | Test device and test method for evaluating overall heat insulation performance of refractory material |
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2019
- 2019-11-04 CN CN201921875986.1U patent/CN211263077U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702426A (en) * | 2021-09-24 | 2021-11-26 | 中国建材检验认证集团股份有限公司 | Test device and test method for evaluating overall heat insulation performance of refractory material |
| CN113702426B (en) * | 2021-09-24 | 2024-05-14 | 中国建材检验认证集团股份有限公司 | Test device and test method for evaluating integral heat insulation performance of refractory material |
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