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CN-224229732-U - Multistage booster-type helium recovery system

CN224229732UCN 224229732 UCN224229732 UCN 224229732UCN-224229732-U

Abstract

The utility model discloses a multistage supercharged helium recovery system which comprises a first pipeline, a recovery airbag, a helium calibration unit and a helium concentration meter, wherein negative pressure recovery helium is arranged in the first pipeline, the recovery airbag is communicated with the first pipeline, the recovery airbag is increased by a multistage supercharging unit and then is communicated with a high-pressure tank, the high-pressure tank is used for filling helium into a workpiece, the helium calibration unit is used for calibrating working helium concentration of the high-pressure tank, the helium calibration unit comprises a second pipeline, a third pipeline and a helium concentration meter, pure helium is arranged in the second pipeline, compressed air is arranged in the third pipeline, the second pipeline and the third pipeline are respectively connected with the helium concentration meter through concentration meter calibration valves, and the helium concentration meter is also connected with the high-pressure tank. The utility model increases the compactness of the structure and reduces the occupied area of the equipment. And the construction quantity and the construction difficulty are effectively reduced. Meanwhile, the use safety is ensured.

Inventors

  • SUN HOUTAO

Assignees

  • 中创华工智能科技(上海)有限公司

Dates

Publication Date
20260512
Application Date
20250630

Claims (7)

  1. 1. A multi-stage pressurized helium recovery system comprising: a first pipeline, wherein negative pressure is arranged in the first pipeline for recovering helium; The recovery air bag is communicated with the first pipeline, is increased by the multi-stage pressurizing unit and is then communicated with the high-pressure tank, and the high-pressure tank is used for helium filling of the workpiece; The helium gas calibration unit is used for calibrating the working helium gas concentration of the high-pressure tank and comprises a second pipeline, a third pipeline and a helium concentration meter, wherein pure helium gas is arranged in the second pipeline, compressed air is arranged in the third pipeline, the second pipeline and the third pipeline are respectively connected with the helium concentration meter through concentration meter calibration valves, and the helium concentration meter is also connected with the high-pressure tank.
  2. 2. The multi-stage pressurized helium recovery system of claim 1 wherein said multi-stage pressurizing unit comprises: A first-stage gas booster pump connected with the recovery air bag; One end of the secondary gas booster pump is connected with the primary gas booster pump, and the other end of the secondary gas booster pump is connected with the high-pressure tank; The low-pressure tank, the one end of low-pressure tank with one-level gas booster pump is connected, the other end of low-pressure tank is through the pressure boost stop valve with second grade gas booster pump is connected.
  3. 3. The multi-stage pressurized helium recovery system of claim 2 wherein said low pressure tank and said high pressure tank are each provided with a manual purge valve.
  4. 4. A multi-stage pressurized helium recovery system according to claim 3 wherein a detection solenoid valve is provided between said high pressure tank and said helium concentration meter.
  5. 5. The multi-stage pressurized helium recovery system according to claim 1, wherein said second pipe is provided with a filter, a pressure sensor, a pressure reducing valve and a safety valve, respectively.
  6. 6. The multi-stage pressurized helium recovery system of claim 1 wherein said recovery bladder is connected to an automatic vent valve.
  7. 7. The multi-stage pressurized helium recovery system of claim 1 further comprising a fourth conduit having a high pressure balance recovery helium therein, said fourth conduit being connected to said recovery bladder via a conduit ball valve.

Description

Multistage booster-type helium recovery system Technical Field The utility model relates to the technical field of helium recovery systems, in particular to a multi-stage supercharged helium recovery system. Background The traditional helium recovery pressurization system uses a compressor, and the compressor is large in size and occupies a large area if placed on a production line. Therefore, the helium recovery system adopting the compressor is generally arranged outside the production line independently, and when the recovery system is placed at a position far from the production line, the recovery system needs to be connected with the helium leakage detection equipment through a pipeline and a cable, so that the construction amount and the construction difficulty are increased. Disclosure of utility model In view of the foregoing, it is desirable to provide a multi-stage pressurized helium recovery system. A multi-stage pressurized helium recovery system comprising: a first pipeline, wherein negative pressure is arranged in the first pipeline for recovering helium; The recovery air bag is communicated with the first pipeline, is increased by the multi-stage pressurizing unit and is then communicated with the high-pressure tank, and the high-pressure tank is used for helium filling of the workpiece; The helium gas calibration unit is used for calibrating the working helium gas concentration of the high-pressure tank and comprises a second pipeline, a third pipeline and a helium concentration meter, wherein pure helium gas is arranged in the second pipeline, compressed air is arranged in the third pipeline, the second pipeline and the third pipeline are respectively connected with the helium concentration meter through concentration meter calibration valves, and the helium concentration meter is also connected with the high-pressure tank. In one embodiment, the multi-stage supercharging unit comprises: A first-stage gas booster pump connected with the recovery air bag; one end of the secondary gas booster pump is connected with the primary gas booster pump, and the other end of the secondary gas booster pump is connected with the high-pressure tank; The low-pressure tank, the one end of low-pressure tank with one-level gas booster pump is connected, the other end of low-pressure tank is through the pressure boost stop valve with second grade gas booster pump is connected. In one embodiment, the low pressure tank and the high pressure tank are provided with manual exhaust valves. In one embodiment, a detection solenoid valve is provided between the high pressure tank and the helium concentration meter. In one embodiment, the second pipeline is provided with a filter, a pressure sensor, a pressure reducing valve and a safety valve respectively. In one embodiment, the recovery bladder is connected to an automatic vent valve. In one embodiment, the device further comprises a fourth pipeline, wherein high-pressure balance recovered helium is arranged in the fourth pipeline, and the fourth pipeline is connected with the recovery airbag through a pipeline ball valve. Above-mentioned multistage booster-type helium recovery system retrieves negative pressure recovery helium in the first pipeline through retrieving the gasbag, compares in pressure vessel, retrieves the gasbag and holds more low pressure recovery helium more easily, and it has increased the compactness of structure, has reduced the area of equipment. And after helium is pressurized through the multistage pressurizing unit, the high-pressure tank can charge helium to the workpiece, and the helium charging device can be arranged on a production line, so that the construction amount and the construction difficulty are effectively reduced. Meanwhile, the working helium concentration of the high-pressure tank is calibrated through the helium calibration unit, so that the use safety is guaranteed, in addition, the helium calibration unit can calibrate pure helium and helium-free concentration, and the accuracy of the helium concentration meter is guaranteed at any time. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Fig. 1 is a schematic diagram of a multi-stage pressurized helium recovery system according to the present utility model. Detailed Description In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and sho