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CN-224231187-U - Leakage detection device for storage tank

CN224231187UCN 224231187 UCN224231187 UCN 224231187UCN-224231187-U

Abstract

The utility model belongs to the field of liquefied gas storage tanks, and particularly relates to a leakage detection device for a storage tank, which comprises a detection cylinder main body, wherein a cover plate is arranged on the detection cylinder main body, the bottom of the detection cylinder main body is fixedly connected with a heightening leg, the inner wall of the detection cylinder main body is fixedly connected with a placing disc, the bottom of the detection cylinder main body is provided with an air outlet, the top of the detection cylinder main body is provided with an air inlet, and the bottom of the placing disc is fixedly connected with a lower guide cover. The leakage detection device for the storage tank is matched with the exhaust fan through the upper guide cover, and a directional airflow channel with upper air inlet and lower air exhaust is formed in the detection cylinder main body. When the storage tank leaks, the leaked gas is quickly guided to the air outlet pipeline by the air flow, and preferentially passes through the first gas detector below, so that the leaked gas (such as liquefied natural gas) with higher density can be timely captured and triggered to give an alarm, and the detection response speed is improved.

Inventors

  • PU CHENGHAO

Assignees

  • 一山聚氨酯(上海)有限公司

Dates

Publication Date
20260512
Application Date
20250804

Claims (7)

  1. 1. The leakage detection device for the storage tank comprises a detection cylinder main body (1) and is characterized in that a cover plate (2) is arranged on the detection cylinder main body (1), a heightening leg (3) is fixedly connected to the bottom of the detection cylinder main body (1), a placing disc (4) is fixedly connected to the inner wall of the detection cylinder main body (1), an air outlet (5) is formed in the bottom of the detection cylinder main body (1), an air inlet (6) is formed in the top of the detection cylinder main body (1), a lower guide cover (7) is fixedly connected to the bottom of the placing disc (4), an abutting ring (8) is fixedly connected to the outer wall of the lower guide cover (7), an air outlet pipeline (9) is fixedly connected to the bottom of the abutting ring (8), a supporting plate frame I (10) is fixedly arranged at the top of the supporting plate I (10), an installing fan (13) is fixedly connected to the inner wall of the air outlet pipeline (9), and an air exhausting fan (12) is fixedly connected to the bottom of the installing plate (12).
  2. 2. The leakage detection device for a storage tank according to claim 1, wherein a filter screen (14) is fixedly arranged at the bottom of the detection cylinder body (1), and a through hole is formed in the placement disc (4).
  3. 3. The leakage detection device for the storage tank according to claim 1, wherein an upper guide cover (15) is fixedly connected to the inner wall of the detection cylinder main body (1), and a sealing sleeve plate (16) is fixedly connected to the bottom of the upper guide cover (15).
  4. 4. The leakage detection device for the storage tank of claim 3, wherein the bottom of the sealing sleeve plate (16) is fixedly connected with a second supporting plate frame (17), and a second gas detector (18) is fixedly arranged at the bottom of the second supporting plate frame (17).
  5. 5. The leakage detection device for the storage tank of claim 1, wherein the top of the detection cylinder body (1) is fixedly connected with a dust blocking cover (19), the dust blocking cover (19) is provided with a ventilation notch, and the outer wall of the dust blocking cover (19) is sleeved with a ring-shaped filter screen (20).
  6. 6. The leakage detection device for the storage tank of claim 1, wherein the detection cylinder body (1) is provided with a butt joint notch (21), and the outer wall of the cover plate (2) is fixedly connected with a butt joint boss (22).
  7. 7. The leakage detection device for a storage tank according to claim 1, wherein a threaded rod (23) is fixedly connected to the outer wall of the detection cylinder body (1), and a hexagonal nut is connected to the threaded rod (23) in a threaded manner.

Description

Leakage detection device for storage tank Technical Field The utility model relates to the technical field of liquefied gas storage tanks, in particular to a leakage detection device for a storage tank. Background In industrial production, the safe operation of the ultralow-temperature liquefied gas storage tank is important, and if the storage tank leaks, safety accidents or resource waste can be caused. Therefore, a device capable of timely detecting the leakage condition of the storage tank is needed to ensure quick discovery and treatment when leakage occurs, and ensure production safety and stable operation. At present, the existing storage tank leakage detection device adopts a single detector and lacks directional airflow guidance, leakage gas is easy to diffuse or deposit in a detection space, so that the gas cannot reach the position of the detector in time, the single detector cannot cover areas with different heights, detection blind areas are easy to appear, timeliness and comprehensiveness of leakage detection are affected, and in view of the situation, we propose a leakage detection device for a storage tank. Disclosure of utility model The utility model mainly aims to provide a leakage detection device for a storage tank, which can solve the problems in the background technology. In order to achieve the above purpose, the leakage detection device for the storage tank provided by the utility model comprises a detection cylinder main body, wherein a cover plate is arranged on the detection cylinder main body, the bottom of the detection cylinder main body is fixedly connected with a heightening leg, the inner wall of the detection cylinder main body is fixedly connected with a placement disc, the bottom of the detection cylinder main body is provided with an air outlet, the top of the detection cylinder main body is provided with an air inlet, the bottom of the placement disc is fixedly connected with a lower guide cover, the outer wall of the lower guide cover is fixedly connected with an abutting ring, the bottom of the abutting ring is fixedly connected with an air outlet pipeline, the bottom of the lower guide cover is fixedly connected with a first supporting plate frame, the top of the first supporting plate frame is fixedly provided with a first gas detector, the inner wall of the air outlet pipeline is fixedly connected with a mounting plate frame, and the bottom of the mounting plate frame is fixedly connected with an exhaust fan. Preferably, the bottom fixed mounting of detecting a section of thick bamboo main part has the filter screen, be provided with the through-hole on the placing plate, the through-hole is provided with the multiunit, and the through-hole all is located under the kuppe mouth. Preferably, the inner wall of the detection cylinder main body is fixedly connected with an upper air guide sleeve, the bottom of the upper air guide sleeve is fixedly connected with a sealing sleeve plate, the upper air guide sleeve is positioned at the air inlet, and the sealing operation is carried out on a part of the area (positioned above the sealing sleeve plate) above the inner part of the detection cylinder main body through the matching of the sealing sleeve plate and the upper air guide sleeve. Preferably, the bottom fixedly connected with supporting plate frame two of closed sleeve board, the bottom fixed mounting of supporting plate frame two has gas detector two, and gas detector one is GasAlertMicroIR with gas detector two's model. Preferably, the top fixedly connected with of detecting a main part keeps off the dirt lid, keep off the dirt and cover and offer the ventilation notch, the ventilation notch is provided with four sets of lateral walls that are located the dirt and cover, the outer wall that keeps off the dirt lid has cup jointed the ring filter screen. Preferably, the detection cylinder main body is provided with a butt joint notch, and the outer wall of the cover plate is fixedly connected with a butt joint boss. Preferably, the outer wall of the detection cylinder main body is fixedly connected with a threaded rod, and the threaded rod is connected with a hexagonal nut in a threaded manner. The utility model provides a leakage detection device for a storage tank. The beneficial effects are as follows: (1) The leakage detection device for the storage tank is matched with the exhaust fan through the upper guide cover, and a directional airflow channel with upper air inlet and lower air exhaust is formed in the detection cylinder main body. When the storage tank leaks, the leaked gas is quickly guided to the air outlet pipeline by the air flow, and preferentially passes through the first gas detector below, so that the leaked gas (such as liquefied natural gas) with higher density can be timely captured and triggered to give an alarm, and the detection response speed is improved. (2) According to the leakage detection device for the storage tank, the gas detector I