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CN-121994542-A - For corrosive media visual sampler of (a)

CN121994542ACN 121994542 ACN121994542 ACN 121994542ACN-121994542-A

Abstract

The invention discloses a visual sampler for corrosive media, which solves the problems that the existing corrosive media sampling equipment is dependent on manual operation, has low efficiency and potential safety hazard, is difficult to sample in a large range and has low sampling precision; according to the invention, the air tank is arranged for the medium accommodating tank, the sampling pipeline, the air discharging pipeline, the liquid inlet pipeline and the air inlet pipeline are arranged between the medium accommodating tank and the air tank, the corresponding triplet air valves are arranged on the pipelines, and the opening or closing of different triplet air valves is controlled through the air tank and the triplet air valves, so that the sampling, the air discharging, the liquid inlet and the air inlet are controlled, unmanned operation is realized, the sampling efficiency is improved, and the injury to personnel is avoided.

Inventors

  • DUAN YANDAN
  • ZHAO SHU
  • HE LICHUN
  • DAI MENGMENG
  • WU LONG
  • LV WEIQIAN
  • ZHENG WENXIAN

Assignees

  • 陕西航天机电环境工程设计院有限责任公司

Dates

Publication Date
20260508
Application Date
20251224

Claims (10)

  1. 1. A visual sampler for corrosive media is characterized in that: comprises a gas tank (1) for containing high-pressure gas, a medium containing tank (2) for containing corrosive medium and a gas collecting tube (3); One end of the gas collecting tube (3) is communicated with the gas tank (1), the other end of the gas collecting tube is blocked, and a sampling pipeline (4), a gas discharging pipeline (5), a liquid discharging pipeline (6), a liquid inlet pipeline (7) and a gas inlet pipeline (8) are arranged between the middle part of the gas collecting tube and the medium accommodating tank (2); One end of the sampling pipeline (4) is communicated with the medium accommodating tank (2), the other end of the sampling pipeline is used for sampling, and a sampling pump and a sampling triplet pneumatic valve (41) are arranged in the middle of the sampling pipeline; One end of the air release pipeline (5) is communicated with the medium accommodating tank (2), the other end of the air release pipeline is used for releasing air, and an air release triplet pneumatic valve (51) is arranged in the middle of the air release pipeline; one end of the liquid discharge pipeline (6) is communicated with the medium accommodating tank (2), the other end of the liquid discharge pipeline is used for discharging liquid, and a liquid discharge triplet pneumatic valve (61) is arranged in the middle of the liquid discharge pipeline; One end of the liquid inlet pipeline (7) is communicated with the medium accommodating tank (2), the other end of the liquid inlet pipeline is used for liquid inlet, and a liquid inlet triplet pneumatic valve (71) is arranged in the middle of the liquid inlet pipeline; one end of the air inlet pipeline (8) is communicated with the medium accommodating tank (2), the other end of the air inlet pipeline is used for air inlet, an air inlet triplet pneumatic valve (81) is arranged in the middle of the air inlet pipeline, and a one-way valve (82) is arranged at a position close to the port of the other end of the air inlet pipeline; The sampling triplet air valve (41), the deflation triplet air valve (51), the liquid discharge triplet air valve (61), the liquid inlet triplet air valve (71) and the air inlet end of the air inlet triplet air valve (81) are respectively communicated with the gas collecting tube (3).
  2. 2. The visual sampler for corrosive media of claim 1, wherein: Also comprises a central control unit (10); The central control unit (10) is respectively and electrically connected with the control ends of the sampling pump, the sampling triplet air valve (41), the deflation triplet air valve (51), the liquid discharge triplet air valve (61), the liquid inlet triplet air valve (71) and the air inlet triplet air valve (81).
  3. 3. The visual sampler for corrosive media of claim 2, wherein: one end of the sampling pipeline (4) is communicated with the side wall of the medium accommodating tank (2), and the middle part of the sampling pipeline is provided with a flow sensor which is electrically connected with the central control unit (10); one end of the air release pipeline (5) is communicated with the top of the medium accommodating tank (2); one end of the liquid discharge pipeline (6) is communicated with the bottom of the medium accommodating tank (2); One end of the liquid inlet pipeline (7) is communicated with the top of the medium accommodating tank (2); one end of the air inlet pipeline (8) is communicated with the top of the medium accommodating tank (2).
  4. 4. A visual sampler for a corrosive medium according to claim 3 and characterized in that: also comprises a detection pipeline (9); one end of the detection pipeline (9) is communicated with the top of the medium accommodating tank (2), and the other end of the detection pipeline is plugged, and a pressure sensor (15) and a temperature sensor (16) are arranged in the middle of the detection pipeline (9); the pressure sensor (15) and the temperature sensor (16) are electrically connected with the central control unit (10).
  5. 5. A visual sampler for a corrosive medium according to any one of claims 2-4 and wherein: also comprises a sampling frame (11); the gas tank (1), the medium accommodating tank (2) and the gas collecting tube (3) are all arranged on the sampling frame (11).
  6. 6. The visual sampler for corrosive media as in claim 5 wherein: also comprises a mobile trolley (12); the sampling frame (11) and the central control unit (10) are arranged on the mobile trolley (12); The movable trolley (12) is provided with a positioning sensor and an obstacle avoidance sensor.
  7. 7. The visual sampler for corrosive media as in claim 6 wherein: a switching frame (13) is arranged between the movable trolley (12) and the sampling frame (11); A weighing sensor (14) is arranged between the switching frame (13) and the mobile trolley (12); the weighing sensor (14) is electrically connected with the central control unit (10).
  8. 8. The visual sampler for corrosive media as in claim 7 wherein: Each wheel of the mobile trolley (12) is driven by an independent driving motor; Each driving motor is electrically connected with the central control unit (10).
  9. 9. The visual sampler for corrosive media as in claim 8 wherein: An observation window (21) is arranged on the side wall of the medium accommodating tank (2).
  10. 10. The visual sampler for corrosive media of claim 9, wherein: one end of the gas collecting tube (3) is communicated with the gas tank (1) through a connecting tube (17), and a manual valve (18) is arranged between the gas collecting tube (3) and the connecting tube (17); the gas collecting tube (3) is horizontally arranged, and the connecting tube (17) is vertically arranged.

Description

For corrosive media visual sampler of (a) Technical Field The invention relates to a corrosive medium sampler, in particular to a visual sampler for a corrosive medium. Background In the industries of chemical industry, metallurgy, environmental protection, pharmacy and the like, sampling and detection are often required to be carried out on corrosive media such as acid-base solution, chlorine-containing media, corrosive solvents and the like so as to control the quality of the production process and ensure the safe operation of equipment. The existing corrosive medium sampling equipment has the defects that firstly, most samplers are made of common metal materials, cannot resist corrosion of strong corrosive mediums, are prone to leakage and damage and have potential safety hazards, secondly, the sampling process is dependent on manual operation, the samplers are required to be manually moved and manually controlled, manual weighing is required, efficiency is low, meanwhile, manual direct contact with the corrosive mediums is prone to cause personal injury, thirdly, the sampling process lacks visual monitoring, the medium sampling state cannot be observed in real time, accurate control of the sampling process is difficult, problems of sampling quantity deviation, medium leakage and the like are prone to occur, fourthly, the existing samplers are of fixed structures, automatic movement of sampling points cannot be realized, adaptability is poor, the existing samplers are not suitable for multiple sampling points and a large range of sampling scenes, and fifthly, part of the samplers do not consider pressure-bearing requirements, cannot stably work under high-pressure corrosive medium sampling working conditions, and sampling precision is difficult to guarantee. Disclosure of Invention The invention provides a visual sampler for corrosive media, which aims to solve the technical problems that the existing corrosive media sampling equipment is dependent on manual operation, has low efficiency and potential safety hazard, is difficult to sample in a large range and has low sampling precision. In order to achieve the above purpose, the present invention adopts the following technical scheme: the visual sampler for the corrosive medium is characterized in that: comprises a gas tank for containing high-pressure gas, a medium containing tank for containing corrosive medium and a gas collecting tube; one end of the gas collecting pipe is communicated with the gas tank, the other end of the gas collecting pipe is plugged, and a sampling pipeline, a gas discharging pipeline, a liquid inlet pipeline and a gas inlet pipeline are arranged between the middle part of the gas collecting pipe and the medium accommodating tank; one end of the sampling pipeline is communicated with the medium accommodating tank, the other end of the sampling pipeline is used for sampling, and a sampling pump and a sampling triplet pneumatic valve are arranged in the middle of the sampling pipeline; one end of the air release pipeline is communicated with the medium accommodating tank, the other end is used for air release, the middle part of the air-release valve is provided with an air-release triplet pneumatic valve; One end of the liquid discharge pipeline is communicated with the medium accommodating tank, the other end is used for draining liquid, the middle part of the valve is provided with a liquid discharge triplet pneumatic valve; One end of the liquid inlet pipeline is communicated with the medium accommodating tank, the other end of the liquid inlet pipeline is used for liquid inlet, and a liquid inlet triplet pneumatic valve is arranged in the middle of the liquid inlet pipeline; One end of the air inlet pipeline is communicated with the medium accommodating tank, the other end is used for air inlet, the middle part of the valve is provided with an air inlet triplet pneumatic valve, near the other end port a one-way valve is arranged at the position; And the air inlet ends of the sampling triplet air valve, the air discharge triplet air valve, the liquid inlet triplet air valve and the air inlet triplet air valve are respectively communicated with the gas collecting pipe. Further, the device also comprises a central control unit; The central control unit is respectively and electrically connected with control ends of the sampling pump, the sampling triplet air-operated valve, the deflation triplet air-operated valve, the liquid discharge triplet air-operated valve, the liquid inlet triplet air-operated valve and the air inlet triplet air-operated valve. Further, one end of the sampling pipeline is communicated with the side wall of the medium accommodating tank, and the middle part of the sampling pipeline is provided with a flow sensor which is electrically connected with the central control unit; One end of the air release pipeline is communicated with the top of the medium accommodating tank; one end of the liquid discharge pi