Pressurizing and air supplementing system for hot isostatic pressing container

Abstract

The utility model relates to the technical field of hot isostatic pressing, in particular to a pressurizing and air supplementing system of a hot isostatic pressing container. Comprising a hot isostatic pressing container, an air inlet of the hot isostatic pressing container is connected with an air outlet of a 70 MPa compressor system through an inflation pipeline, the 70 MPa compressor system comprises a 70 MPa diaphragm compressor system, a 70 MPa ionic liquid compressor system or a 70 MPa liquid nitrogen pump system, and the hot isostatic pressing container is further connected with a 200 MPa compressor air supply system. An air inlet of the 200MPa compressor air supply system is connected with an inflation pipeline of an air outlet of the 70MPa compressor system through an air inlet pipeline, and an air outlet of the 200MPa compressor air supply system is connected with an air supply port of the hot isostatic pressing container through an air supply pipeline. According to the hot isostatic pressing container, the 200 MPa compressor air supply system is additionally arranged, air with the pressure of 70 MPa is pressurized to 200 MPa through the 200 MPa compressor air supply system and supplemented into the hot isostatic pressing container, the situation that the internal pressure of the hot isostatic pressing container is reduced due to air leakage is avoided, the working pressure of 200 MPa is kept in the hot isostatic pressing container, and the overall mechanical property of a product after hot isostatic pressing treatment is guaranteed.

Description

Technical field:

[0001] The utility model relates to the technical field of hot isostatic pressing, in particular to a pressurization and air replenishing system for a hot isostatic pressing container. Background technology:

[0002] The hot isostatic pressing process is to place the product in a closed container, apply equal pressure in all directions to the product, and apply high temperature at the same time. Under the action of high temperature and high pressure, the product can be sintered and densified. During operation, the hot isostatic pressing container is generally supplied with gas through a 70MPa compressor system. The pressure inside the hot isostatic pressing container can reach up to 200MPa. Due to the high air pressure, the sealing of the hot isostatic pressing container is difficult to ensure, and air leakage is prone to occur, resulting in a decrease in the internal pressure of the hot isostatic pressing container. If the air is not replenished in time, the overall mechanical properties of the product will be greatly reduced. Therefore, it is urgent to improve the air replenishment system of the hot isostatic pressing container to meet the 200MPa working pressure requirement in the hot isostatic pressing container.

[0003] In summary, the problem of pressurization and air replenishment of hot isostatic pressure vessels has become a technical problem that urgently needs to be solved in the industry. Utility model content:

[0004] In order to make up for the deficiencies of the prior art, the utility model provides a hot isostatic pressure container pressurization and air replenishment system, which solves the problem that the internal pressure of the hot isostatic pressure container is reduced due to high pressure air leakage in the past.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] A pressurized air-supplementing system for a hot isostatic pressure container comprises a hot isostatic pressure container, wherein an air inlet of the hot isostatic pressure container is connected to an air outlet of a 70MPa compressor system via an air charging pipeline, wherein the 70MPa compressor system comprises a 70MPa diaphragm compressor system, a 70MPa ion liquid compressor system or a 70MPa liquid nitrogen pump system, and wherein the hot isostatic pressure container is further connected to a 200MPa compressor air-supplementing system, wherein an air inlet of the 200MPa compressor air-supplementing system is connected to an air charging pipeline of an air outlet of the 70MPa compressor system via an air inlet pipeline, and an air outlet of the 200MPa compressor air-supplementing system is connected to an air-supplementing port of the hot isostatic pressure container via an air-supplementing pipeline, and wherein the 200MPa compressor air-supplementing system is used for pressurizing gas at a pressure of 70MPa to 200MPa and replenishing the gas into the hot isostatic pressure container.

[0007] The 200MPa compressor air replenishment system includes a 200MPa diaphragm compressor, the front and rear sides of the 200MPa diaphragm compressor are respectively connected to the intake air cooler and the exhaust cooler through pipelines, the front side of the intake air cooler is connected to the intake pipeline through a pipeline via a pressure gauge, and the rear side of the exhaust cooler is connected to the air replenishment pipeline through a pipeline via a pressure gauge.

[0008] The intake air cooler is connected to a precooling cooling water inlet pipeline and a precooling cooling water outlet pipeline, and the precooling cooling water outlet pipeline is also connected to a sewage pipeline.

[0009] The 200MPa diaphragm compressor and the exhaust cooler are connected to the cooling water inlet pipeline and the cooling water outlet pipeline respectively.

[0010] The pipeline on the rear side of the exhaust cooler is connected to the pipeline on the front side of the intake air cooler through a return air pipeline, and a return air valve is arranged on the return air pipeline.

[0011] The 70MPa diaphragm compressor system includes a first-stage diaphragm compressor and a second-stage diaphragm compressor connected in series, an intake air cooler and an exhaust air cooler are respectively provided on the front and rear sides of the first-stage diaphragm compressor, an intake air buffer tank and an exhaust air cooler are respectively provided on the front and rear sides of the second-stage diaphragm compressor, the intake air cooler is connected to a precooling cooling water inlet pipeline and a precooling cooling water outlet pipeline, the precooling cooling water outlet pipeline is also connected to a sewage pipeline, and the first-stage diaphragm compressor, the second-stage diaphragm compressor and the two exhaust air coolers are respectively connected to the cooling water inlet pipeline and the cooling water outlet pipeline.

[0012] The 70MPa ion liquid compressor system comprises a first-stage ion liquid compressor and a second-stage ion liquid compressor connected in series, wherein the first-stage ion liquid compressor and the second-stage ion liquid compressor are respectively provided with an intake buffer tank on the front side, and an exhaust buffer tank and an exhaust cooler on the rear side, and the first-stage ion liquid compressor and the second-stage ion liquid compressor are respectively connected to the ion liquid circulation system.

[0013] The ionic liquid circulation system comprises an ionic liquid storage tank, a liquid outlet of the ionic liquid storage tank is connected to an ionic liquid inlet of an ionic liquid compressor via an ionic liquid cooler and a circulation pump, an ionic liquid outlet of the ionic liquid compressor is connected to a liquid inlet of the ionic liquid storage tank via a pipeline, and an exhaust cooler and an ionic liquid cooler are respectively connected to a cooling water inlet pipeline and a cooling water outlet pipeline.

[0014] The rear side of the exhaust cooler is connected to the ion liquid storage tank via a boost pipeline.

[0015] The 70MPa liquid nitrogen pump system comprises a liquid nitrogen plunger pump, a primary vaporizer and a secondary vaporizer are arranged at the rear side of the liquid nitrogen plunger pump, and a venting pipeline is arranged at the top of the liquid nitrogen plunger pump.

[0016] The utility model adopts the above scheme and has the following advantages:

[0017] On the basis of the 70MPa compressor system, a 200MPa compressor air supply system is added. The gas at 70MPa pressure is pressurized to 200MPa through the 200MPa compressor air supply system and supplied into the hot isostatic pressing container, thereby avoiding the reduction of internal pressure of the hot isostatic pressing container due to air leakage, and maintaining a working pressure of 200MPa in the hot isostatic pressing container to ensure the overall mechanical properties of the product after hot isostatic pressing treatment. Description of the drawings:

[0018] Figure 1 This is a schematic diagram of the structure of Example 1 of the utility model.

[0019] Figure 2 This is a schematic diagram of the structure of Example 2 of the utility model.

[0020] Figure 3 This is a schematic diagram of the structure of Example 3 of the utility model.

[0021] In the figure, 1, hot isostatic pressure container, 2, 70MPa diaphragm compressor system, 3, 70MPa ion liquid compressor system, 4, 70MPa liquid nitrogen pump system, 5, 200MPa compressor air supply system, 6, air intake pipeline, 7, charging pipeline, 8, air supply pipeline, 9, 200MPa diaphragm compressor, 10, air intake cooler, 11, exhaust cooler, 12, pressure gauge, 13, pre-cooling cooling water inlet pipeline, 14, pre-cooling cooling water outlet pipeline, 15, sewage pipeline, 16 , cooling water inlet pipeline, 17, cooling water outlet pipeline, 18, return air pipeline, 19, return air valve, 20, first-stage diaphragm compressor, 21, second-stage diaphragm compressor, 22, intake buffer tank, 23, first-stage ionic liquid compressor, 24, second-stage ionic liquid compressor, 25, exhaust buffer tank, 26, ionic liquid storage tank, 27, ionic liquid cooler, 28, circulation pump, 29, booster pipeline, 30, liquid nitrogen plunger pump, 31, first-stage vaporizer, 32, second-stage vaporizer, 33, vent pipeline. Specific implementation method:

[0022] In order to clearly illustrate the technical features of the present invention, the present invention is described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0023] Embodiment 1:

[0024] like Figure 1As shown, a hot isostatic pressure container pressurization and air replenishment system comprises a hot isostatic pressure container 1, an air inlet of the hot isostatic pressure container 1 is connected to the air outlet of a 70MPa compressor system via an air charging pipeline 7, the 70MPa compressor system comprises a 70MPa diaphragm compressor system 2, a 70MPa ionic liquid compressor system 3 or a 70MPa liquid nitrogen pump system 4, the hot isostatic pressure container 1 is also connected to a 200MPa compressor air replenishment system 5, an air inlet of the 200MPa compressor air replenishment system 5 is connected to the air charging pipeline 7 of the air outlet of the 70MPa compressor system via an air inlet pipeline 6, an air outlet of the 200MPa compressor air replenishment system 5 is connected to the air replenishment port of the hot isostatic pressure container 1 via an air charging pipeline 8, and the 200MPa compressor air replenishment system 5 is used to pressurize the gas at a pressure of 70MPa to 200MPa and replenish it into the hot isostatic pressure container 1.

[0025] The 200MPa compressor air supply system 5 includes a 200MPa diaphragm compressor 9, and the front and rear sides of the 200MPa diaphragm compressor 9 are respectively connected to the intake air cooler 10 and the exhaust air cooler 11 through pipelines. The front side of the intake air cooler 10 is connected to the intake pipeline 6 through a pipeline via a pressure gauge 12, and the rear side of the exhaust cooler 11 is connected to the air supply pipeline 8 through a pipeline via a pressure gauge 12.

[0026] The intake air cooler 10 is connected to a precooling cooling water inlet pipeline 13 and a precooling cooling water outlet pipeline 14 , and the precooling cooling water outlet pipeline 14 is also connected to a sewage pipeline 15 .

[0027] The 200 MPa diaphragm compressor 9 and the exhaust cooler 11 are connected to a cooling water inlet pipeline 16 and a cooling water outlet pipeline 17 respectively.

[0028] The pipeline at the rear side of the exhaust cooler 11 is connected to the pipeline at the front side of the intake air cooler 10 through the return pipeline 18, and a return valve 19 is provided on the return pipeline 18. When the air pressure at the front side of the 200MPa diaphragm compressor 9 is too low, part of the high-pressure gas can flow back to the front side of the 200MPa diaphragm compressor 9 through the return pipeline 18 and the return valve 19 to supplement the gas entering the 200MPa diaphragm compressor 9.

[0029] Working principle of 200MPa compressor air supply system:

[0030] When the 200MPa diaphragm compressor 9 is working, the 70MPa pressure gas delivered from the 70MPa diaphragm compressor system 2 is cooled by the intake cooler 10, and then enters the 200MPa diaphragm compressor 9 to increase the pressure of the gas to 200MPa, and then cools down by the exhaust cooler 11, and finally enters the hot isostatic pressing container 1 through the air supply pipeline 8.

[0031] The 70MPa diaphragm compressor system 2 includes a first-stage diaphragm compressor 20 and a second-stage diaphragm compressor 21 connected in series. An intake air cooler 10 and an exhaust air cooler 11 are respectively provided on the front and rear sides of the first-stage diaphragm compressor 20, and an intake air buffer tank 22 and an exhaust air cooler 11 are respectively provided on the front and rear sides of the second-stage diaphragm compressor 21. The intake air cooler 10 is connected to a precooling cooling water inlet pipeline 13 and a precooling cooling water outlet pipeline 14. The precooling cooling water outlet pipeline 14 is also connected to a sewage pipeline 15. The first-stage diaphragm compressor 20, the second-stage diaphragm compressor 21 and the two exhaust air coolers 11 are respectively connected to a cooling water inlet pipeline 16 and a cooling water outlet pipeline 17.

[0032] Working principle of 70MPa diaphragm compressor system:

[0033] When the first-stage diaphragm compressor 20 and the second-stage diaphragm compressor 21 are working, the atmospheric pressure gas first enters the first-stage diaphragm compressor 20 through the intake cooler 10 for the first-stage pressurization, then is cooled through the exhaust cooler 11, then enters the intake buffer tank 22, and then enters the second-stage diaphragm compressor 21 for the second-stage pressurization to form 70MPa high-pressure gas, then enters the exhaust cooler 11 for cooling, and then enters the hot isostatic pressing container 1 through the charging pipeline 7.

[0034] Embodiment 2:

[0035] like Figure 2 As shown, the difference between this embodiment and embodiment 1 is that:

[0036] The 70MPa ionic liquid compressor system 3 includes a first-stage ionic liquid compressor 23 and a second-stage ionic liquid compressor 24 connected in series, the front sides of the first-stage ionic liquid compressor 23 and the second-stage ionic liquid compressor 24 are respectively provided with an intake buffer tank 22, and the rear sides are respectively provided with an exhaust buffer tank 25 and an exhaust cooler 11, and the first-stage ionic liquid compressor 23 and the second-stage ionic liquid compressor 24 are respectively connected to the ionic liquid circulation system.

[0037] The ionic liquid circulation system includes an ionic liquid storage tank 26, the liquid outlet of the ionic liquid storage tank 26 is connected to the ionic liquid inlet of the ionic liquid compressor via an ionic liquid cooler 27 and a circulating pump 28, the ionic liquid outlet of the ionic liquid compressor is connected to the liquid inlet of the ionic liquid storage tank 26 via a pipeline, and the exhaust cooler 11 and the ionic liquid cooler 27 are respectively connected to the cooling water inlet pipeline 16 and the cooling water outlet pipeline 17. When the ionic liquid compressor is working, the circulating pump 28 can pump the ionic liquid in the ionic liquid storage tank 26 into the ionic liquid compressor via the ionic liquid cooler 27 to lubricate and cool the ionic liquid compressor, and then the ionic liquid is circulated back to the ionic liquid storage tank 26.

[0038] The rear side of the exhaust cooler 11 is connected to the ion liquid storage tank 29 via a pressurizing pipeline 29 , and the high-pressure gas can enter the ion liquid storage tank 26 through the pressurizing pipeline 29 to pressurize the ion liquid in the ion liquid storage tank 26 .

[0039] Working principle of 70MPa ion liquid compressor system:

[0040] When the primary ionic liquid compressor 23 and the secondary ionic liquid compressor 24 are working, the normal pressure gas first enters the primary ionic liquid compressor 23 through the air intake buffer tank 22 for primary pressurization, then enters the exhaust buffer tank 25, and is cooled by the exhaust cooler 11, and then enters the air intake buffer tank 22 on the front side of the secondary ionic liquid compressor 24, and then enters the secondary ionic liquid compressor 24 for secondary pressurization to form 70MPa high-pressure gas, then enters the exhaust buffer tank 25, and is cooled by the exhaust cooler 11, and finally enters the hot isostatic pressing container 1 through the charging pipeline 7.

[0041] Embodiment 3:

[0042] like Figure 3 As shown, the difference between this embodiment and embodiment 1 is that:

[0043] The 70 MPa liquid nitrogen pump system 4 comprises a liquid nitrogen plunger pump 30 , a primary vaporizer 31 and a secondary vaporizer 32 are disposed at the rear side of the liquid nitrogen plunger pump 30 , and a venting pipeline 33 is disposed at the top of the liquid nitrogen plunger pump 30 .

[0044] Working principle of 70MPa liquid nitrogen pump system:

[0045] When the liquid nitrogen plunger pump 30 is working, the liquid nitrogen is pressurized by the liquid nitrogen plunger pump 30, and then vaporized by the first vaporizer 31 and the second vaporizer 32 to form a 70 MPa high-pressure gas, and finally enters the hot isostatic pressure container 1 through the gas charging pipeline 7.

[0046] The above-mentioned specific implementation manner cannot be used as a limitation on the protection scope of the present utility model. For those skilled in the art, any replacement, improvement or change made to the implementation manner of the present utility model falls within the protection scope of the present utility model.

[0047] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A hot isostatic pressure vessel pressurization and air supply system, comprising a hot isostatic pressure vessel, characterized in that: The air inlet of the hot isostatic pressure container is connected to the air outlet of the 70MPa compressor system through an air charging pipeline. The 70MPa compressor system includes a 70MPa diaphragm compressor system, a 70MPa ionic liquid compressor system or a 70MPa liquid nitrogen pump system. The hot isostatic pressure container is also connected to a 200MPa compressor air replenishment system. The air inlet of the 200MPa compressor air replenishment system is connected to the air charging pipeline of the air outlet of the 70MPa compressor system through an air inlet pipeline. The air outlet of the 200MPa compressor air replenishment system is connected to the air replenishment port of the hot isostatic pressure container through an air replenishment pipeline. The 200MPa compressor air replenishment system is used to pressurize the gas at a pressure of 70MPa to 200MPa and replenish it into the hot isostatic pressure container.

2. A hot isostatic pressure container pressurization and air supply system according to claim 1, characterized in that: The 200MPa compressor air replenishment system includes a 200MPa diaphragm compressor, the front and rear sides of the 200MPa diaphragm compressor are respectively connected to the intake air cooler and the exhaust cooler through pipelines, the front side of the intake air cooler is connected to the intake pipeline through a pipeline via a pressure gauge, and the rear side of the exhaust cooler is connected to the air replenishment pipeline through a pipeline via a pressure gauge.

3. A hot isostatic pressure container pressurization and air supply system according to claim 2, characterized in that: The intake air cooler is connected to a precooling cooling water inlet pipeline and a precooling cooling water outlet pipeline, and the precooling cooling water outlet pipeline is also connected to a sewage pipeline.

4. A hot isostatic pressure container pressurization and air supply system according to claim 2, characterized in that: The 200MPa diaphragm compressor and the exhaust cooler are connected to the cooling water inlet pipeline and the cooling water outlet pipeline respectively.

5. A hot isostatic pressure container pressurization and air supply system according to claim 2, characterized in that: The pipeline on the rear side of the exhaust cooler is connected to the pipeline on the front side of the intake air cooler through a return air pipeline, and a return air valve is arranged on the return air pipeline.

6. A hot isostatic pressure container pressurization and air supply system according to claim 1, characterized in that: The 70MPa diaphragm compressor system includes a first-stage diaphragm compressor and a second-stage diaphragm compressor connected in series, an intake air cooler and an exhaust air cooler are respectively provided on the front and rear sides of the first-stage diaphragm compressor, an intake air buffer tank and an exhaust air cooler are respectively provided on the front and rear sides of the second-stage diaphragm compressor, the intake air cooler is connected to a precooling cooling water inlet pipeline and a precooling cooling water outlet pipeline, the precooling cooling water outlet pipeline is also connected to a sewage pipeline, and the first-stage diaphragm compressor, the second-stage diaphragm compressor and the two exhaust air coolers are respectively connected to the cooling water inlet pipeline and the cooling water outlet pipeline.

7. A hot isostatic pressure container pressurization and air supply system according to claim 1, characterized in that: The 70MPa ion liquid compressor system comprises a first-stage ion liquid compressor and a second-stage ion liquid compressor connected in series, wherein the first-stage ion liquid compressor and the second-stage ion liquid compressor are respectively provided with an intake buffer tank on the front side, and an exhaust buffer tank and an exhaust cooler on the rear side, and the first-stage ion liquid compressor and the second-stage ion liquid compressor are respectively connected to the ion liquid circulation system.

8. A hot isostatic pressure container pressurization and air supply system according to claim 7, characterized in that: The ionic liquid circulation system comprises an ionic liquid storage tank, a liquid outlet of the ionic liquid storage tank is connected to an ionic liquid inlet of an ionic liquid compressor via an ionic liquid cooler and a circulation pump, an ionic liquid outlet of the ionic liquid compressor is connected to a liquid inlet of the ionic liquid storage tank via a pipeline, and an exhaust cooler and an ionic liquid cooler are respectively connected to a cooling water inlet pipeline and a cooling water outlet pipeline.

9. A hot isostatic pressure container pressurization and air supply system according to claim 8, characterized in that: The rear side of the exhaust cooler is connected to the ion liquid storage tank via a boost pipeline.

10. A hot isostatic pressure container pressurization and air supply system according to claim 1, characterized in that: The 70MPa liquid nitrogen pump system comprises a liquid nitrogen plunger pump, a primary vaporizer and a secondary vaporizer are arranged at the rear side of the liquid nitrogen plunger pump, and a venting pipeline is arranged at the top of the liquid nitrogen plunger pump.

Images