CN220883523U - Temperature isostatic pressing machine control system capable of accurately controlling temperature and pressure - Google Patents
Temperature isostatic pressing machine control system capable of accurately controlling temperature and pressure Download PDFInfo
- Publication number
- CN220883523U CN220883523U CN202321496364.4U CN202321496364U CN220883523U CN 220883523 U CN220883523 U CN 220883523U CN 202321496364 U CN202321496364 U CN 202321496364U CN 220883523 U CN220883523 U CN 220883523U
- Authority
- CN
- China
- Prior art keywords
- pressure
- temperature
- hot water
- water station
- heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000462 isostatic pressing Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000004321 preservation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Press Drives And Press Lines (AREA)
Abstract
The utility model discloses a temperature isostatic pressing machine control system capable of accurately controlling temperature and pressure, which comprises a controller (1), an external circulation hot water station (8), a pressure container (10), a supercharger (12), a pressure relief valve (14) and an internal circulation hot water station (16); the external circulation hot water station (8), the pressure vessel (10) and the pressurizer (12) are communicated through an external circulation pipeline (11); the internal circulation hot water station (16), the pressure vessel (10), the booster (12) and the pressure relief valve (14) are communicated through an internal circulation pipeline (15); when the internal circulation temperature and the external circulation temperature reach the preheating temperature, the internal pressure of the pressure container (10) reaches a set value firstly and the internal temperature of the pressure container (10) reaches a set value after the internal temperature and the pressure of the pressure container (10) are subjected to closed-loop control. The error caused by the influence of pressure on the temperature under the high pressure state is avoided, and the product quality is stable.
Description
Technical Field
The utility model relates to a temperature and pressure control system of a temperature isostatic pressing machine, in particular to a temperature isostatic pressing machine control system capable of accurately controlling temperature and pressure.
Background
The warm isostatic pressing machine is widely applied to the molding of products such as various hard alloys, tungsten-molybdenum refractory materials, titanium-nickel powder filters, refractory materials, graphite carbon, high-voltage electric ceramics, magnetic materials, industrial ceramics, artificial diamond and the like, and the research and the production of chemical materials. In recent years, the temperature and pressure control precision requirements of temperature isostatic pressing in various industries are higher and higher. The double-circulation warm isostatic pressing machine is a warm isostatic pressing machine which adopts the working medium to circulate into the internal circulation of the pressure container hearth and the heat preservation medium to circulate into the external circulation of the pressure container cylinder wall, the upper plug and the lower plug for working. The working principle of the traditional double-circulation temperature isostatic pressing machine is that the temperature of a water tank of a booster is heated to a set temperature, then working medium heated in the water tank is continuously added into a working pressure container through the booster, and after the required pressure is reached, the booster stops working and begins to keep pressure. However, the working medium having reached the set temperature in the high-pressure state is subjected to pressure and the temperature is continuously increased to generate a large error.
Disclosure of Invention
The utility model aims to provide a temperature isostatic pressing machine control system capable of accurately controlling temperature and pressure, which enables temperature values and pressure values in a pressure container of the temperature isostatic pressing machine to be accurately controlled, avoids errors caused by the mutual influence of temperature and pressure, enables the temperature values and the pressure values of the pressure container to be pressed according to a preset pressing process curve, does not cause fluctuation of product quality, and avoids economic loss.
The utility model is realized by the following technical scheme: temperature isostatic pressing machine control system of accurate accuse temperature accuse pressure, its characterized in that: comprises a controller 1, an external circulation hot water station 8, a pressure vessel 10, a booster 12, a pressure relief valve 14 and an internal circulation hot water station 16; the external circulation hot water station 8, the pressure vessel 10 and the pressurizer 12 are communicated through an external circulation pipeline 11; the internal circulation hot water station 16, the pressure vessel 10, the booster 12 and the pressure relief valve 14 are communicated through an internal circulation pipe 15.
Further, the controller 1 distributes a pressure control module 2, a temperature control module 3, a pressure comparison module 4 and a temperature comparison module 5; a first temperature sensor 6 and a first heater 7 are distributed in the external circulation hot water station 8; a second temperature sensor 9, a second heater 13 and a pressure sensor 19 are distributed in the pressure container 10; the internal circulation hot water station 16 distributes a third heater 17 and a third temperature sensor 18.
Further, the pressure control module 2 is connected to the pressure relief valve 14 and the pressure booster 12, respectively; the temperature control module 3 is respectively connected with the first heater 7, the second heater 13 and the third heater 17; the pressure comparison module 4 is connected with the pressure sensor 19 in the pressure container 10; the temperature comparison module 5 is respectively connected with the first distributed temperature sensor 6 in the external circulation hot water station 8, the second distributed temperature sensor 9 in the pressure container 10 and the third distributed temperature sensor 18.
Further, the first temperature sensor 6 and the first heater 7 are arranged in an outer circulation water tank of the outer circulation hot water station 8; the second temperature sensor 9, the second heater 13 and the pressure sensor 19 are arranged in the pressure container 10; the heater III 17 and the temperature sensor III 18 are arranged in an internal circulation water tank of the internal circulation hot water station 16.
Compared with the prior art, the utility model has the following advantages:
According to the temperature isostatic pressing machine control system capable of precisely controlling temperature and pressure, the internal circulation preheating is carried out on the pressure container through the internal circulation hot water station in the pressing process, the external circulation preheating is carried out on the pressure container and the booster through the external circulation hot water station, when the internal circulation temperature and the external circulation temperature reach the preheating temperature, the closed-loop control is carried out on the temperature and the pressure in the pressure container through the controller, the booster, the temperature sensor, the heater, the pressure sensor and the pressure relief valve, so that the pressure in the pressure container reaches a set value firstly and then reaches the set value after the pressure in the pressure container reaches the set value. The temperature is prevented from being influenced by pressure to generate errors in a high-pressure state; when the pressure reaches a set value, the pressure error generated by the influence of the temperature is eliminated through the linkage control of the supercharger and the pressure relief valve, and the error of the temperature rise on the pressure is eliminated; therefore, the temperature value and the pressure value of the pressure container are pressed according to a preset pressing process curve, the quality of the product is not fluctuated, and the economic loss is avoided. The product quality with high requirements on pressure, temperature and precision is stable.
Drawings
Fig. 1 is a schematic structural diagram of a temperature isostatic pressing machine control system capable of precisely controlling temperature and pressure.
In the figure, the first temperature sensor is a first temperature sensor, the second temperature sensor is a second temperature sensor, the first heater is a third temperature sensor, the second temperature sensor is a second temperature sensor, the third temperature sensor is a fourth temperature sensor, the fourth temperature sensor is a third temperature sensor, the fourth temperature sensor is a fourth temperature sensor, the third temperature sensor is a third temperature sensor, and the fourth temperature sensor is a third temperature sensor.
Detailed Description
The present utility model will be described in further detail with reference to examples, but embodiments of the present utility model are not limited thereto.
Fig. 1 shows a temperature isostatic pressing machine control system with accurate temperature control and pressure control, which is characterized in that: comprises a controller 1, an external circulation hot water station 8, a pressure vessel 10, a booster 12, a pressure relief valve 14 and an internal circulation hot water station 16; the external circulation hot water station 8, the pressure vessel 10 and the pressurizer 12 are communicated through an external circulation pipeline 11; the internal circulation hot water station 16, the pressure vessel 10, the booster 12 and the pressure relief valve 14 are communicated through an internal circulation pipe 15.
The external circulation hot water station 8 preheats the pressure vessel 10 and the booster 12, meanwhile, the controller 1 collects the external circulation actual temperature and compares the external circulation actual temperature with the preheating temperature to calculate an external circulation temperature difference value, and the controller 1 synchronously adjusts the external circulation hot water station 8 through the external circulation temperature difference value; the internal circulation hot water station 16 preheats the interior of the pressure vessel 10, meanwhile, the controller 1 collects the internal circulation actual temperature and compares the internal circulation actual temperature with the preheating temperature to calculate an internal circulation temperature difference value, and the controller 1 synchronously adjusts the internal circulation hot water station 16 through the internal circulation temperature difference value; when the actual temperature of the hearth in the pressure vessel 10 reaches the preheating temperature, the controller 1 collects the actual pressure of the hearth and the holding pressure, compares the actual pressure with the holding pressure to calculate a pressure difference value, and synchronously adjusts the supercharger 12 and the pressure relief valve 14 according to the pressure difference value to enable the pressure in the pressure vessel 10 to reach a set value; finally, the controller 1 collects the actual temperature of the hearth and the heat preservation temperature, compares the actual temperature with the heat preservation temperature to calculate a temperature difference value, and synchronously adjusts the pressure container 10 according to the temperature difference value to enable the temperature in the pressure container 10 to reach a set value.
The controller 1 distributes a pressure control module 2, a temperature control module 3, a pressure comparison module 4 and a temperature comparison module 5; a first temperature sensor 6 and a first heater 7 are distributed in the external circulation hot water station 8; a second temperature sensor 9, a second heater 13 and a pressure sensor 19 are distributed in the pressure container 10; the internal circulation hot water station 16 distributes a third heater 17 and a third temperature sensor 18.
The external circulation hot water station 8 preheats the pressure container 10 and the booster 12 through an external circulation pipeline 11, meanwhile, the temperature comparison module 5 in the controller 1 compares the external circulation actual temperature acquired by the first temperature sensor 6 in the external circulation hot water station 8 with the preheating temperature to calculate an external circulation temperature difference value, and the temperature control module 3 in the controller 1 synchronously adjusts the first heater 7 in the external circulation hot water station 8 through the external circulation temperature difference value to realize closed-loop control of the external circulation water temperature.
The internal circulation hot water station 16 preheats the inside of the pressure container 10 through the booster 12, the pressure relief valve 14 and the internal circulation pipeline 15, meanwhile, the temperature comparison module 5 in the controller 1 compares the internal circulation actual temperature acquired by the temperature sensor III 18 in the internal circulation hot water station 16 with the preheating temperature to calculate an internal circulation temperature difference value, and the temperature control module 3 in the controller 1 synchronously adjusts the heater III 17 in the internal circulation hot water station 16 through the internal circulation temperature difference value to realize closed-loop control of the internal circulation water temperature.
When the actual temperature of the hearth collected by the second temperature sensor 9 in the pressure container 10 reaches the preheating temperature, namely when the internal circulation water temperature reaches the preheating temperature, the pressure comparison module 4 in the controller 1 compares the actual pressure of the hearth collected by the pressure sensor 19 in the pressure container 10 with the holding pressure to calculate a pressure difference value, and the pressure control module 2 in the controller 1 synchronously adjusts the pressure booster 12 and the pressure relief valve 14 according to the pressure difference value to enable the pressure in the pressure container 10 to reach a set value; finally, the temperature comparison module 5 in the controller 1 compares the actual temperature of the furnace chamber acquired by the second temperature sensor 9 in the pressure container 10 with the insulation temperature to calculate a temperature difference, and the temperature control module 3 in the controller 1 synchronously adjusts the second heater 13 in the pressure container 10 according to the temperature difference to enable the temperature in the pressure container 10 to reach a set value.
When the pressure of the pressure vessel 10 reaches the holding pressure, the actual temperature is continuously increased, and the error of the temperature increase to the pressure is eliminated by the synchronous adjustment of the pressure booster 12 and the pressure relief valve 14 by the pressure control module 2 in the controller 1.
The first temperature sensor 6 and the first heater 7 are arranged in an outer circulation water tank of the outer circulation hot water station 8; the second temperature sensor 9, the second heater 13 and the pressure sensor 19 are arranged in the pressure container 10; the heater III 17 and the temperature sensor III 18 are arranged in an internal circulation water tank of the internal circulation hot water station 16.
In a specific embodiment, the preheating temperature is set to be 50 ℃, the heat preservation temperature is set to be 90 ℃ and the pressure maintaining pressure is set to be 100Mpa through a human-computer interface. The external circulation hot water station 8 preheats the pressure vessel 10 and the booster 12 through the external circulation pipeline 11, and meanwhile, the temperature comparison module 5 in the controller 1 compares the preheating temperature with the actual external circulation water temperature acquired by the first temperature sensor 6 to calculate a difference value; the temperature control module 3 in the controller 1 synchronously adjusts the first heater 7 through a difference value; the internal circulation hot water station 16 preheats the inside of the pressure vessel (10) through the booster 12, the pressure relief valve 14 and the internal circulation pipeline 15, and meanwhile, the temperature comparison module 5 in the controller 1 compares the preheating temperature with the actual temperature acquired by the temperature sensor III 18 to calculate a difference value; the temperature control module 3 in the controller 1 synchronously adjusts the heater III 17 through the difference value.
When the second temperature sensor 9 detects that the actual temperature is equal to the preheating temperature of 50 ℃, the pressure comparison module 4 in the controller 1 compares the actual pressure acquired by the pressure sensor 19 with the holding pressure of 100Mpa to calculate a pressure difference value, and the pressure control module 2 in the controller 1 synchronously adjusts the pressure booster 12 and the pressure relief valve 14 through the pressure difference value; the temperature comparison module 5 in the controller 1 compares the heat preservation temperature of 90 ℃ with the actual temperature acquired by the second temperature sensor 9 to calculate a difference value; the temperature control module 3 in the controller 1 synchronously adjusts the heater II 13 through a difference value; the closed-loop control of the temperature and the pressure is carried out, so that the pressure of the pressure container 10 reaches 100Mpa of the holding pressure and 90 ℃ after the temperature. When the pressure of the pressure vessel 10 reaches 100Mpa, the actual temperature is continuously increased, and the error of the temperature increase to the pressure is eliminated by the synchronous adjustment of the pressure control module 2 in the controller 1 to the pressure booster 12 and the pressure relief valve 14.
Claims (3)
1. Temperature isostatic pressing machine control system of accurate accuse temperature accuse pressure, its characterized in that: comprises a controller (1), an external circulation hot water station (8), a pressure vessel (10), a booster (12), a pressure relief valve (14) and an internal circulation hot water station (16); the external circulation hot water station (8), the pressure vessel (10) and the pressurizer (12) are communicated through an external circulation pipeline (11); the internal circulation hot water station (16), the pressure vessel (10), the booster (12) and the pressure relief valve (14) are communicated through an internal circulation pipeline (15), and the controller (1) distributes a pressure control module (2), a temperature control module (3), a pressure comparison module (4) and a temperature comparison module (5); the first external circulation hot water station (8) is internally provided with a first temperature sensor (6) and a first heater (7); a second temperature sensor (9), a second heater (13) and a pressure sensor (19) are distributed in the pressure container (10); and a third heater (17) and a third temperature sensor (18) are distributed in the internal circulation hot water station (16).
2. The temperature isostatic press control system for precisely controlling temperature and pressure according to claim 1, wherein: the pressure control module (2) is respectively connected with the pressure relief valve (14) and the supercharger (12); the temperature control module (3) is respectively connected with the first heater (7), the second heater (13) and the third heater (17); the pressure comparison module (4) is connected with the pressure sensor (19) in the pressure container (10); the temperature comparison module (5) is respectively connected with the first distributed temperature sensor (6) in the external circulation hot water station (8), the second distributed temperature sensor (9) and the third distributed temperature sensor (18) in the pressure container (10).
3. The temperature isostatic press control system for precisely controlling temperature and pressure according to claim 2, wherein: the first temperature sensor (6) and the first heater (7) are arranged in an outer circulation water tank of the outer circulation hot water station (8); the second temperature sensor (9), the second heater (13) and the pressure sensor (19) are arranged in the pressure container (10); the heater III (17) and the temperature sensor III (18) are arranged in an internal circulation water tank of the internal circulation hot water station (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321496364.4U CN220883523U (en) | 2023-06-12 | 2023-06-12 | Temperature isostatic pressing machine control system capable of accurately controlling temperature and pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321496364.4U CN220883523U (en) | 2023-06-12 | 2023-06-12 | Temperature isostatic pressing machine control system capable of accurately controlling temperature and pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220883523U true CN220883523U (en) | 2024-05-03 |
Family
ID=90838032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321496364.4U Active CN220883523U (en) | 2023-06-12 | 2023-06-12 | Temperature isostatic pressing machine control system capable of accurately controlling temperature and pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220883523U (en) |
-
2023
- 2023-06-12 CN CN202321496364.4U patent/CN220883523U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2517425C2 (en) | Method and device for forming and appropriate preform with medium for hydrostatic forming | |
| CN105066682A (en) | Rapid-densification pressure-coupling dynamic sintering furnace and sintering method | |
| CN104710184A (en) | Gas phase rapid preparation method of U-type carbon/carbon heat-generating body | |
| CN220883523U (en) | Temperature isostatic pressing machine control system capable of accurately controlling temperature and pressure | |
| CN108971495A (en) | A kind of titanium alloy cylinder hemisphere hot isostatic pressing manufacturing process | |
| CN102389973B (en) | Thermal compression processing method based on thermal expansion difference | |
| CN116587662A (en) | Dual-cycle temperature isostatic pressing machine temperature and pressure control method | |
| CN105859111A (en) | Curved-surface glass preparation method and processing device thereof | |
| CN216801686U (en) | Hot isostatic pressing machine capable of synchronously heating and boosting | |
| CN106673671B (en) | A kind of synchroballistic Microwave Hybrid co-sintering method | |
| CN110240394B (en) | Ultrasonic-assisted glass hot bending device based on millimeter wave heat source and control method | |
| CN110666174B (en) | Method for improving end face buckling deformation of hot isostatic pressing powder metallurgy flat component | |
| CN115094249B (en) | Application method of reduction distillation heating furnace for reducing packaging density of titanium sponge | |
| CN107445625B (en) | High-density ZrB2Method for producing ceramic | |
| CN211891902U (en) | Stable temperature control heating device of extruder | |
| CN206286534U (en) | It is applicable the connected vessels type low-pressure casting thermal insulation furnace that mechanical pump fills type | |
| CN215952181U (en) | Double-temperature-zone hot isostatic pressing furnace with swinging function | |
| CN109503169A (en) | A kind of special graphite and preparation method thereof | |
| CN201573358U (en) | Open chamber type isostatic pressing machine | |
| CN1500575A (en) | Necking-down process for aluminium alloy air bottle | |
| CN209941054U (en) | Microwave vacuum-briquetting integrated furnace | |
| CN213593611U (en) | Molding apparatus | |
| CN208751284U (en) | A kind of hard alloy pressurized sintering furnace | |
| CN112095146A (en) | Reactor for black phosphorus crystal amplification preparation and application thereof | |
| CN207839845U (en) | A kind of electron beam preheating deformation processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |