CN117514950A - Ultrahigh pressure supercharging device and method - Google Patents
Ultrahigh pressure supercharging device and method Download PDFInfo
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- CN117514950A CN117514950A CN202310971033.XA CN202310971033A CN117514950A CN 117514950 A CN117514950 A CN 117514950A CN 202310971033 A CN202310971033 A CN 202310971033A CN 117514950 A CN117514950 A CN 117514950A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000009469 supplementation Effects 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 34
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000001802 infusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
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- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention provides an ultrahigh pressure supercharging device and method, wherein the supercharging device at least comprises a primary supercharger and a secondary supercharger, the outlet end of the primary supercharger is communicated with the secondary supercharger through a first high pressure pipeline, the secondary supercharger is communicated with an ultrahigh pressure working unit through a second high pressure pipeline, the inlet end of the primary supercharger is communicated with a normal pressure system through a third high pressure pipeline, and the normal pressure system is used for medium supplementation to the primary supercharger, the secondary supercharger and the ultrahigh pressure working unit; the first high-pressure pipeline is provided with a first check valve, and the second high-pressure pipeline is provided with a second check valve and a pressure sensor. The invention solves the problems that the supercharging stroke of the traditional ultrahigh pressure system is limited, the effective supercharging volume is limited, and the process applicability is poor; the continuous pressurization of the ultrahigh pressure system is realized, the pressurized container is not limited, the applicability of the pressurization system can be improved, and the pressurization or pressure maintaining can be continuously finished by overcoming a little leakage.
Description
Technical Field
The invention belongs to the technical field of ultrahigh pressure hydraulic pressure, and particularly relates to an ultrahigh pressure pressurizing device and method, which are suitable for pressurizing ultrahigh pressure hydraulic equipment such as an ultrahigh pressure isostatic press.
Background
The supercharging of the ultrahigh pressure equipment is the basis of the operation of the ultrahigh pressure equipment, the existing ultrahigh pressure equipment adopts a single supercharger for supercharging, and adopts a single-way supercharging mode for supercharging, and is similar to the injector principle, a piston type hydraulic cylinder is generally adopted for direct supercharging, and the supercharging ratio is the ratio of the cylinder body area to the piston rod area. The supercharging mode has the advantages that the supercharging principle is simple, the control of the supercharging process is relatively easy, the supercharging stroke is limited, the effective supercharging volume is limited, the supercharging mode depends on the area of a piston rod and the stroke of a cylinder body, and meanwhile, the supercharging or pressure maintaining cannot be completed once a little leakage exists.
Therefore, a new pressurizing mode is urgently needed to solve the problems, not only can continuous pressurizing be realized, but also the pressurized container is not limited any more, and meanwhile, the applicability of the pressurizing system can be improved, and the pressurizing or pressure maintaining can be continuously finished by overcoming a little leakage.
Disclosure of Invention
The invention aims to provide an ultrahigh pressure supercharging device which solves the technical problems in the prior art.
Another object of the present invention is to provide an ultrahigh pressure pressurizing method, which can realize staged pressurizing and continuous pressurizing.
Therefore, the technical scheme provided by the invention is as follows:
the ultra-high pressure supercharging device at least comprises a primary supercharger and a secondary supercharger, wherein the outlet end of the primary supercharger is communicated with the secondary supercharger through a first high-pressure pipeline, the secondary supercharger is communicated with an ultra-high pressure working unit through a second high-pressure pipeline, the inlet end of the primary supercharger is communicated with a normal pressure system through a third high-pressure pipeline, and the normal pressure system is used for supplementing media for the primary supercharger, the secondary supercharger and the ultra-high pressure working unit;
the first high-pressure pipeline is provided with a first check valve, and the second high-pressure pipeline is provided with a second check valve and a pressure sensor.
The system also comprises a control system, wherein the primary booster, the secondary booster and the pressure sensor are all connected with the control system through electric signals.
The one-level booster is of a reciprocating type booster structure, the one-level booster comprises a left high-pressure cavity, a right high-pressure cavity and a one-level booster control valve group, the one-level booster control valve group is used for controlling reciprocating boosting and reversing of the one-level booster, the left high-pressure cavity is respectively communicated with a left liquid inlet check valve and a left liquid outlet check valve, the right high-pressure cavity is respectively communicated with a right liquid inlet check valve and a right liquid outlet check valve, and the one-level booster control valve group is connected with a control system through electric signals.
The secondary booster is of a single-way booster structure, and comprises a high-pressure cavity and a primary booster control valve group, and the secondary booster control valve group is connected with a control system through an electric signal.
The normal pressure system comprises a medium box, a normal pressure pump, an overflow valve and a low pressure return pipe, wherein one end of the normal pressure pump is communicated with the medium box, the other end of the normal pressure pump is communicated with a high pressure pipeline III, one end of the low pressure return pipe is communicated with the medium box, the other end of the low pressure return pipe is communicated with the high pressure pipeline III, and the overflow valve is arranged on the low pressure return pipe.
An ultrahigh pressure pressurizing method adopts an ultrahigh pressure pressurizing device and comprises the following steps:
step 1), starting an atmospheric system, and regulating the pressure to P0 through an atmospheric pump and an overflow valve of the atmospheric system;
step 2) after the normal pressure pump is started, filling media into a left high pressure cavity and a right high pressure cavity of the primary booster through a high pressure pipe III, and after the media are filled, respectively filling media into the secondary booster and the ultrahigh pressure working unit through a high pressure pipeline I and a high pressure pipeline II until the pressure detected by the pressure sensor is P0;
step 3) after the pressure reaches P0, the first-stage booster starts to work, one side boosts pressure, the other side completes fluid supplementing, and the circulation is carried out until the pressure detected by the pressure sensor is consistent with the pressure P1 required to be reached by the set first-stage booster;
and 4) after the pressure reaches P1, the secondary booster starts to work until the pressure measured by the pressure sensor reaches the working pressure P2 required by the ultrahigh pressure working unit, so that ultrahigh pressure boosting is realized.
The specific process of the step 3) is as follows: the pressure sensor detects the pressure of the pressurized medium in real time and sends the pressure to the control system, when the pressure reaches P0, the control system sends a signal to the primary pressurizing control valve group, the primary pressurizing valve group controls the primary pressurizing device to pressurize, in the pressurizing process, when the left high-pressure cavity is pressurized, the left liquid inlet one-way valve is in a closed state, when the pressure of the left high-pressure cavity is higher than the pressure of the first ultrahigh-pressure pipeline, the left liquid outlet one-way valve is opened, at the moment, the pressure in the right high-pressure cavity is not available, and the normal pressure system continuously supplements the medium to the right high-pressure cavity;
then, the right high-pressure cavity is pressurized, the medium is continuously supplemented into the right high-pressure cavity by the normal pressure system, and the process is repeated until the pressure detected by the pressure sensor is consistent with the pressure P1 required to be reached by the set primary booster.
In the step 4), after the pressure reaches P1, the control system sends a signal to the secondary supercharging control valve group, and the secondary supercharging control valve group controls the secondary supercharger to supercharge.
After the pressure after the pressurization in the step 4) reaches P2, when the pressure reaches P2, the two-stage booster and the one-stage booster work in a combined mode to maintain the pressure, and in the pressure maintaining process, if P1 is less than P2, only the two-stage booster is required to work at the moment, and the pressure is pressurized to P2;
if P0 is less than P1 and P is less than P1, the primary booster works at the moment, and after the pressure is increased to P1 again, the secondary booster starts to work, and the step 4) is repeated;
if P is less than P0, the normal pressure pump starts to work at the moment, and the steps 2) -4 are repeated.
The beneficial effects of the invention are as follows:
the ultrahigh pressure supercharging device provided by the invention realizes graded supercharging through the combination of the primary supercharger and the secondary supercharger, meanwhile, each stage adopts a serial connection mode, and supercharging is completed by different hydraulic pumps or superchargers in different pressure ranges.
The invention solves the problems that the supercharging stroke of the traditional ultrahigh pressure system is limited, the effective supercharging volume is limited, and the process applicability is poor; the continuous pressurization of the ultrahigh pressure system is realized, the pressurized container is not limited, the applicability of the pressurization system can be improved, and the pressurization or pressure maintaining can be continuously finished by overcoming a little leakage.
Drawings
FIG. 1 is a schematic diagram of one embodiment of the present invention;
fig. 2 is a flow chart of the present invention.
In the figure: 1. a primary booster; 1-1, a left side liquid inlet check valve; 1-2, a right side liquid inlet check valve; 1-3, a left liquid outlet one-way valve; 1-4, a right side liquid outlet one-way valve; 1-5, a first-stage supercharging control valve group; 2. a two-stage supercharger; 2-1, a two-stage supercharging control valve group; 3. a first high-pressure pipeline; 4. an ultrahigh pressure working unit; 5. a high-pressure pipeline II; 6. a pressure sensor; 7. a second check valve; 8. a first check valve; 9. a normal pressure system; 9-1, a normal pressure pump; 9-2, a high-pressure pipeline III; 9-3, a medium box; 9-4, an overflow valve; 9-5, a low-pressure return pipe.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present invention with specific examples.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the examples described herein, which are provided to fully and completely disclose the present invention and fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, like elements/components are referred to by like reference numerals.
Unless otherwise indicated, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. In addition, it will be understood that terms defined in commonly used dictionaries should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Example 1
The embodiment provides an ultrahigh pressure supercharging device, which at least comprises a primary supercharger 1 and a secondary supercharger 2, wherein the outlet end of the primary supercharger 1 is communicated with the secondary supercharger 2 through a first high-pressure pipeline 3, the secondary supercharger 2 is communicated with an ultrahigh pressure working unit 4 through a second high-pressure pipeline 5, the inlet end of the primary supercharger 1 is communicated with a normal pressure system 9 through a third high-pressure pipeline 9-2, and the normal pressure system 9 is used for medium supplementation of the primary supercharger 1, the secondary supercharger 2 and the ultrahigh pressure working unit 4;
the first high-pressure pipeline 3 is provided with a first check valve 8, and the second high-pressure pipeline 5 is provided with a second check valve 7 and a pressure sensor 6. The first check valve 8 is installed on the first high-pressure pipeline 3 in a serial connection mode, and the direction is that the first-stage booster 1 is opened towards the second-stage booster 2, and the second-stage booster is closed. The second check valve 7 is opened in the direction from the second stage booster 2 to the ultrahigh pressure working unit 4, and is closed in the opposite direction.
The invention realizes the staged supercharging through the combination of the primary supercharger 1 and the secondary supercharger 2, and meets the working pressure requirement of the ultra-high pressure working unit 4.
Example 2
On the basis of embodiment 1, this embodiment provides an ultrahigh pressure supercharging device, further includes a control system, and the primary booster 1, the secondary booster 2 and the pressure sensor 6 are all connected with the control system by electrical signals.
The pressure of the pressure sensor 6 is monitored in real time through the control system, so that the primary booster 1 and the secondary booster 2 are controlled to boost according to the set pressures of the primary booster 1 and the secondary booster 2.
Example 3
On the basis of embodiment 1, this embodiment provides an ultrahigh pressure supercharging device, as shown in fig. 1, the one-level supercharger 1 is a reciprocating supercharging structure, the one-level supercharger 1 includes a left side high pressure cavity, a right side high pressure cavity and a one-level supercharging control valve group 1-5, the one-level supercharging control valve group 1-5 is used for controlling reciprocating supercharging and reversing of the one-level supercharger 1, the left side high pressure cavity is respectively communicated with a left side liquid inlet check valve 1-1 and a left side liquid outlet check valve 1-3, the right side high pressure cavity is respectively communicated with a right side liquid inlet check valve 1-2 and a right side liquid outlet check valve 1-4, and the one-level supercharging control valve group 1-5 is electrically connected with a control system.
The left liquid inlet check valve 1-1 and the left liquid outlet check valve 1-3 are connected with the left pressurizing cylinder in pairs; the right side liquid inlet check valve 1-2 and the right side liquid outlet check valve 1-4 are connected with the right side pressurizing cylinder in pairs. The first-stage supercharger 1 is used for reciprocating supercharging, and in the supercharging process, when one side is supercharged, the other side is used for completing fluid infusion. The valve group of the primary booster 1 controls the primary booster 1 to boost, when the left side high pressure cavity of the primary booster 1 is boosted, the liquid inlet one-way valve at the left side is in a closed state, and when the pressure boosted by the left side high pressure cavity is higher than the pressure of the ultrahigh pressure pipeline 1, the liquid outlet one-way valve 1-3 at the left side is opened.
The working process comprises the following steps:
the ultra-high pressure supercharging device is well connected, and the connection reliability is ensured;
2) The normal pressure system 9 starts to work, and the normal pressure pump 9-1 starts to fill the medium into the high pressure cavities at the left end and the right end of the primary booster 1 through the high pressure pipe III. After the high-pressure cavity of the primary booster 1 is filled, medium filling is carried out on the secondary booster 2 and the ultrahigh-pressure working unit 4 through the first high-pressure pipeline 3 and the second high-pressure pipeline 5 respectively until the pressure detected by the pressure sensor 6 is consistent with the pressure output by the normal-pressure pump 9-1.
3) The primary booster 1 is a reciprocating booster, and when one side is boosted, the other side is used for completing fluid infusion, and the method is as follows: the valve group of the primary booster 1 controls the primary booster 1 to boost, when the left side high pressure cavity of the primary booster 1 is boosted, the liquid inlet one-way valve at the left side is in a closed state, and when the pressure boosted by the left side high pressure cavity is higher than the pressure of the ultrahigh pressure pipeline 1, the liquid outlet one-way valve is opened; at the same time, there is no pressure in the right high pressure chamber, and the normal pressure system 9 continuously supplements medium into the right high pressure chamber. The same applies when the right side is pressurized. And so forth until the pressure detected by the pressure sensor 6 coincides with the pressure that the set one-stage supercharger 1 needs to reach.
4) The two-stage supercharger 2 starts to work, the two-stage supercharger 2 is of a single-stage type, the requirement on the supercharging volume of the two-stage supercharger is not so high because the one-stage supercharger 1 has completed part of supercharging at the moment, the two-stage supercharger 2 only needs a small stroke to further compress the medium for supercharging, and the one-way valve 1 is closed to the one-stage supercharger 1, so that the supercharged medium can only flow to the ultrahigh pressure working unit 4 through the one-way valve 2 until the pressure measured by the pressure sensor 6 is consistent with the required working pressure.
Example 4
On the basis of embodiment 1, this embodiment provides an ultrahigh pressure supercharging device, the second stage booster 2 is a single-pass type booster structure, the second stage booster 2 includes a high pressure chamber and a first stage booster control valve group 1-5, and the second stage booster control valve group 2-1 is electrically connected with a control system.
The primary booster 1 has completed partial boosting, so that the requirement on the boosting volume of the secondary boosting is not so high, the secondary booster 2 only needs a small stroke to further compress the medium for boosting, and the one-way valve two 7 is closed for the primary booster 1, so that the boosted medium can only flow to the ultrahigh pressure working unit 4 through the one-way valve two 7 until the pressure measured by the pressure sensor 6 is consistent with the required working pressure.
Example 5
On the basis of embodiment 1, this embodiment provides an ultrahigh pressure supercharging device, as shown in fig. 1, the normal pressure system 9 includes a medium tank 9-3, a normal pressure pump 9-1, an overflow valve 9-4 and a low pressure return pipe 9-5, one end of the normal pressure pump 9-1 is communicated with the medium tank 9-3, the other end of the normal pressure pump 9-1 is communicated with a high pressure pipeline three, one end of the low pressure return pipe 9-5 is communicated with the medium tank 9-3, the other end of the low pressure return pipe 9-5 is communicated with the high pressure pipeline three, and the overflow valve 9-4 is arranged on the low pressure return pipe 9-5.
In the pressurizing process, the normal pressure system 9 is used for primary pressurizing, the secondary pressurizing device 2 and the ultrahigh pressure working unit 4 are filled with liquid, and in the liquid supplementing process, excessive medium overflows through the overflow valve 9-4 and returns to the medium box 9-3 through the low pressure return pipe 9-5. Wherein, the three high-pressure pipelines 9-2 are connected with the normal pressure pump 9-1 and two liquid inlet one-way valves (a left liquid inlet one-way valve 1-1 and a right liquid inlet one-way valve 1-2) of the primary booster 1.
Wherein, the ultrahigh pressure is not less than 1000MPa, the normal pressure in the normal pressure system 9 is 30MPa, and the low pressure in the low pressure return pipe 9-5 is below 5 MPa.
Example 6
The embodiment provides an ultrahigh pressure pressurizing method, which adopts an ultrahigh pressure pressurizing device and comprises the following steps:
step 1), starting an atmospheric system 9, and regulating the pressure to P0 through an atmospheric pump 9-1 and an overflow valve 9-4 of the atmospheric system 9;
step 2) after the normal pressure pump 9-1 is started, medium is filled into the left high pressure cavity and the right high pressure cavity of the primary booster 1 through the high pressure pipe III, and after the medium is filled, medium filling is respectively carried out on the secondary booster 2 and the ultrahigh pressure working unit 4 through the high pressure pipeline I3 and the high pressure pipeline II 5 until the pressure detected by the pressure sensor 6 is P0;
step 3) after the pressure reaches P0, the first-stage booster 1 starts to work, one side boosts pressure, the other side completes fluid supplementing, and the circulation and reciprocation are carried out until the pressure detected by the pressure sensor is consistent with the pressure P1 required to be reached by the set first-stage booster 1;
and 4) after the pressure reaches P1, the secondary booster 2 starts to work until the pressure measured by the pressure sensor 6 reaches the working pressure P2 required by the ultrahigh pressure working unit 4, so that ultrahigh pressure boosting is realized.
Example 7
On the basis of embodiment 6, the embodiment provides an ultrahigh pressure pressurizing method, and the specific process of step 3) is as follows: the pressure sensor 6 detects the pressure of the pressurized medium in real time and sends the pressure to the control system, after the pressure reaches P0, the control system sends a signal to the primary pressurizing control valve group 1-5, the primary pressurizing valve group controls the primary pressurizing device 1 to pressurize, in the pressurizing process, when the left high-pressure cavity is pressurized, the left liquid inlet one-way valve 1-1 is in a closed state, when the pressure of the left high-pressure cavity is pressurized higher than the pressure of the ultrahigh pressure pipeline I3, the left liquid outlet one-way valve 1-3 is opened, at the moment, the right high-pressure cavity has no pressure, and the normal pressure system 9 continuously supplements the medium to the right high-pressure cavity;
after that, the right high-pressure chamber is pressurized, and the medium is continuously replenished to the right high-pressure chamber by the normal pressure system 9, and the process is repeated until the pressure detected by the pressure sensor is consistent with the pressure P1 required to be reached by the set primary booster 1.
In the process, the normal pressure system 9 still works continuously, and mainly plays a role in supplementing liquid to the primary booster 1, and excessive medium overflows through the overflow valve 9-4 and returns to the medium tank 9-3 through the low pressure return pipe 9-5.
In the step 4), after the pressure reaches P1, the control system sends a signal to the secondary supercharging control valve group 2-1, and the secondary supercharging control valve group controls the secondary supercharger 2 to supercharge.
As shown in fig. 2, after the pressure reaches P2 after the pressurization in step 4), when the pressure reaches P2, the two-stage booster 2 and the first-stage booster 1 work in combination to maintain the pressure, and in the pressure maintaining process, if P1 is less than P2, only the two-stage booster 2 is required to work at the moment to boost the pressure to P2;
if P0 is less than P1 and P is less than P1, the primary booster 1 works at the moment, after the pressure is increased to P1 again, the secondary booster 2 starts to work, and the step 4 is repeated;
if P is less than P0, the normal pressure pump 9-1 starts to work at the moment, and the steps 2) -4 are repeated.
The invention can realize the staged supercharging firstly, the staged supercharging is realized by the combination of the hydraulic pump, the primary supercharger 1 and the secondary supercharger 2, and secondly, the problems that the supercharging stroke of the traditional ultrahigh pressure system is limited, the effective supercharging volume is limited and the process applicability is poor are solved; the continuous pressurization of the ultrahigh pressure system is realized, the pressurized container is not limited, the applicability of the pressurization system can be improved, and the pressurization or pressure maintaining can be continuously finished by overcoming a little leakage.
The foregoing examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention, and all designs that are the same or similar to the present invention are within the scope of the present invention.
Claims (8)
1. An ultrahigh pressure supercharging device is characterized in that: the device at least comprises a first-stage supercharger and a second-stage supercharger, wherein the outlet end of the first-stage supercharger is communicated with the second-stage supercharger through a first high-pressure pipeline, the second-stage supercharger is communicated with an ultrahigh-pressure working unit through a second high-pressure pipeline, the inlet end of the first-stage supercharger is communicated with a normal-pressure system through a third high-pressure pipeline, and the normal-pressure system is used for medium supplementation of the first-stage supercharger, the second-stage supercharger and the ultrahigh-pressure working unit;
the first high-pressure pipeline is provided with a first check valve, and the second high-pressure pipeline is provided with a second check valve and a pressure sensor.
2. An ultrahigh pressure pressurizing device according to claim 1, wherein: the system also comprises a control system, wherein the primary booster, the secondary booster and the pressure sensor are all connected with the control system through electric signals.
3. An ultrahigh pressure pressurizing device according to claim 2, wherein: the one-level booster is of a reciprocating type booster structure, the one-level booster comprises a left high-pressure cavity, a right high-pressure cavity and a one-level booster control valve group, the one-level booster control valve group is used for controlling reciprocating boosting and reversing of the one-level booster, the left high-pressure cavity is respectively communicated with a left liquid inlet check valve and a left liquid outlet check valve, the right high-pressure cavity is respectively communicated with a right liquid inlet check valve and a right liquid outlet check valve, and the one-level booster control valve group is connected with a control system through electric signals.
4. An ultrahigh pressure pressurizing device according to claim 2, wherein: the secondary booster is of a single-way booster structure, and comprises a high-pressure cavity and a primary booster control valve group, and the secondary booster control valve group is connected with a control system through an electric signal.
5. An ultrahigh-pressure pressurizing device according to any one of claims 1-4, wherein: the normal pressure system comprises a medium box, a normal pressure pump, an overflow valve and a low pressure return pipe, wherein one end of the normal pressure pump is communicated with the medium box, the other end of the normal pressure pump is communicated with a high pressure pipeline III, one end of the low pressure return pipe is communicated with the medium box, the other end of the low pressure return pipe is communicated with the high pressure pipeline III, and the overflow valve is arranged on the low pressure return pipe.
6. An ultrahigh pressure pressurizing method according to claim 2, employing the ultrahigh pressure pressurizing apparatus according to claim 3, comprising the steps of:
step 1), starting an atmospheric system, and regulating the pressure to P0 through an atmospheric pump and an overflow valve of the atmospheric system;
step 2) after the normal pressure pump is started, filling media into a left high pressure cavity and a right high pressure cavity of the primary booster through a high pressure pipe III, and after the media are filled, respectively filling media into the secondary booster and the ultrahigh pressure working unit through a high pressure pipeline I and a high pressure pipeline II until the pressure detected by the pressure sensor is P0;
step 3) after the pressure reaches P0, the first-stage booster starts to work, one side boosts pressure, the other side completes fluid supplementing, and the circulation is carried out until the pressure detected by the pressure sensor is consistent with the pressure P1 required to be reached by the set first-stage booster;
and 4) after the pressure reaches P1, the secondary booster starts to work until the pressure measured by the pressure sensor reaches the working pressure P2 required by the ultrahigh pressure working unit, so that ultrahigh pressure boosting is realized.
Then, the right high-pressure cavity is pressurized, the medium is continuously supplemented into the right high-pressure cavity by the normal pressure system, and the process is repeated until the pressure detected by the pressure sensor is consistent with the pressure P1 required to be reached by the set primary booster.
7. The ultrahigh pressure pressurizing method according to claim 6, wherein: in the step 4), after the pressure reaches P1, the control system sends a signal to the secondary supercharging control valve group, and the secondary supercharging control valve group controls the secondary supercharger to supercharge.
8. The ultrahigh pressure pressurizing method according to claim 6, wherein: after the pressure after the pressurization in the step 4) reaches P2, when the pressure reaches P2, the two-stage booster and the one-stage booster work in a combined mode to maintain the pressure, and in the pressure maintaining process, if P1 is less than P2, only the two-stage booster is required to work at the moment, and the pressure is pressurized to P2;
if P0 is less than P1 and P is less than P1, the primary booster works at the moment, and after the pressure is increased to P1 again, the secondary booster starts to work, and the step 4) is repeated;
if P is less than P0, the normal pressure pump starts to work at the moment, and the steps 2) -4 are repeated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310971033.XA CN117514950A (en) | 2023-08-03 | 2023-08-03 | Ultrahigh pressure supercharging device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310971033.XA CN117514950A (en) | 2023-08-03 | 2023-08-03 | Ultrahigh pressure supercharging device and method |
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| Publication Number | Publication Date |
|---|---|
| CN117514950A true CN117514950A (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310971033.XA Pending CN117514950A (en) | 2023-08-03 | 2023-08-03 | Ultrahigh pressure supercharging device and method |
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| CN (1) | CN117514950A (en) |
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2023
- 2023-08-03 CN CN202310971033.XA patent/CN117514950A/en active Pending
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