Explosion-proof gas cylinder cabinet

Abstract

The utility model relates to the technical field of gas cylinder cabinets, and provides an explosion-proof gas cylinder cabinet which can realize uninterrupted gas supply of double gas cylinders through semi-automatic switching of gas supply panels of gas pipelines, has a gas pipeline emptying and replacing function, ensures the purity of gas in the pipelines after gas exchange of the gas cylinders, and ensures the safety of the gas cylinders when the pressure in a working gas cylinder (group) is reduced to a preset pressure value. And the system starts to automatically switch from the use end to the standby end, and the standby gas cylinder group starts to supply gas. This is achieved by integration of two pressure reducers with a pressure setting difference. The handle is rotated to the full bottle position, air supply on one side of the empty bottle (group) is cut off, and the empty bottle (group) can be replaced on the premise of uninterrupted air supply.

Description

Technical Field

[0001] The utility model relates to the technical field of gas cylinder cabinets, and in particular to an explosion-proof gas cylinder cabinet. Background Art

[0002] The main function of an explosion-proof gas cabinet is to provide a safe and reliable environment for storing and processing various gases. It adopts explosion-proof design and explosion-proof materials to ensure that in dangerous situations such as gas leakage and explosion, it can effectively prevent the occurrence of fire and explosion, and protect the safety of personnel and equipment. Its features include explosion-proof design, ventilation system, and easy operation. It is mainly used in major laboratories such as universities, research institutes, etc., where flammable and explosive gases are handled.

[0003] A search revealed that publication number CN214987202U discloses a gas cabinet comprising a base, a cabinet body mounted on the base and having an opening; a cabinet door mounted on the cabinet body, the cabinet door being used to close the opening, thereby forming a closed chamber between the cabinet body and the base; a large turntable mounted on the base and capable of rotating on the base; a carrier tray mounted on the large turntable; at least one small turntable embedded in the carrier tray, capable of rotating within the carrier tray and used to place gas cylinders; and a column mounted on the carrier tray. In this utility model, when it is necessary to remove a gas cylinder from the inside of the gas cabinet, the gas cylinder inside can be rotated to the cabinet door by simply rotating the large turntable. Simultaneously, rotating the small turntable can easily move items on the gas cylinder that need to be observed into view, thereby reducing the physical effort and time required for manual handling. Furthermore, the operator does not need to come into contact with the gas cylinder outside the gas cabinet, further reducing the chances of personal injury and safety accidents.

[0004] The above-mentioned gas cabinet does not have a gas pipeline emptying and replacement function for the gas cylinders in the cabinet, and thus cannot guarantee the purity of the pipeline gas after the gas cylinders are replaced. At the same time, this design cannot provide early warning for gas leakage, which makes the overall safety factor of use low. Utility Model Content

[0005] The utility model proposes an explosion-proof gas cylinder cabinet, which solves the problem that the existing technology cannot ensure the purity of pipeline gas after the gas cylinder is ventilated, and the design cannot give early warning of gas leakage, thereby resulting in a low overall safety factor.

[0006] The technical solution of the utility model is as follows: A explosion-proof gas cylinder cabinet, comprising a gas cylinder cabinet assembly, the gas cylinder cabinet assembly comprising a cabinet body, a cabinet door assembly provided on the front of the gas cylinder cabinet assembly, the cabinet door assembly comprising a cabinet door panel, the cabinet door assembly further comprising a hinge, the cabinet door panel being rotatably connected to the front side of the gas cylinder cabinet assembly via the hinge, the cabinet door assembly further comprising a buffer door closer, the buffer door closer being fixedly mounted in the cabinet body and the movable end being fixedly connected to the back side of the cabinet door panel, the gas cylinder cabinet assembly further comprising a gas supply panel and a gas leakage alarm element, the gas supply panel being fixedly mounted on the inner upper part of the gas cylinder cabinet assembly, and the gas leakage alarm element being fixedly mounted on the upper inner wall of the gas cylinder cabinet assembly.

[0007] Preferably, the gas cylinder cabinet assembly further includes four groups of steel cylinder supports, and the steel cylinder supports are fixedly connected to the middle part of the inner wall of the gas cylinder cabinet assembly.

[0008] Preferably, the gas cylinder cabinet assembly further comprises a stainless steel chain, which is buckled on the side of the cylinder bracket.

[0009] Preferably, the gas cylinder cabinet assembly further includes a sealing strip, which is fixedly connected to the front of the cabinet body. The gas cylinder cabinet assembly further includes a stainless steel base, which is fixedly connected to the bottom of the gas cylinder cabinet assembly.

[0010] Preferably, the gas cylinder cabinet assembly further includes casters, which are in four sets and rotatably connected around the bottom of the cabinet.

[0011] Preferably, the gas cylinder cabinet assembly further comprises an anti-slip pedal and a rotating shaft, the anti-slip pedal is flipped and connected to the bottom of the gas cylinder cabinet assembly via the rotating shaft, and anti-slip strips are evenly spaced on the top of the anti-slip pedal.

[0012] Preferably, the cabinet door assembly further includes an electrostatic wire, which is fixedly mounted on the back of the cabinet door panel. The cabinet door assembly further includes a door lock, which is fixedly mounted on the front of the cabinet door panel.

[0013] Preferably, the cabinet door assembly further includes a wire mesh explosion-proof glass observation window and an exhaust vent, wherein the wire mesh explosion-proof glass observation window is fixedly connected to the upper front portion of the cabinet door panel, and the exhaust vent is fixedly connected to the lower front portion of the cabinet door panel.

[0014] The beneficial effects of the utility model are:

[0015] 1. This utility model is equipped with a semi-automatic gas pipeline switching panel, which can achieve uninterrupted gas supply from two gas cylinders. It also includes a gas pipeline emptying and replacement function to ensure the purity of the pipeline gas after the cylinders are vented. When the pressure in the working gas cylinder (set) drops to the preset pressure value, the system automatically switches from the working end to the backup end, and the backup gas cylinder set begins to supply gas. This is achieved by integrating two pressure reducers with different pressure settings. Rotating the handle to the full bottle position disconnects the gas supply to the empty bottle (set), allowing the empty bottle (set) to be replaced without interrupting the gas supply.

[0016] 2. The utility model is equipped with a gas leakage alarm component. Corresponding gas detectors are set in the cabinet according to the type of gas to continuously monitor the cabinet. When the preset dangerous concentration is detected, a sound alarm signal greater than decibels and a light alarm signal that is clearly visible in all directions at a distance of meters will be issued. It is an important monitoring instrument to ensure personal safety and factory safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0018] Figure 1 This is a schematic diagram of the bottom side of the overall device structure of the utility model;

[0019] Figure 2 This is an enlarged view of the buffer door closer of the present utility model;

[0020] Figure 3 This is a schematic diagram of the interior of the cabinet of the present invention;

[0021] Figure 4 This is a schematic diagram of the anti-slip pedal of the utility model;

[0022] In the figure: 1. Gas cylinder cabinet assembly; 11. Cabinet body; 12. Casters; 13. Stainless steel base; 14. Sealing strip; 15. Cylinder bracket; 16. Stainless steel chain; 17. Gas supply panel; 18. Gas leak alarm element; 19. Anti-slip pedal; 191. Rotating shaft; 192. Anti-slip strip; 2. Cabinet door assembly; 21. Cabinet door panel; 22. Door lock; 23. Exhaust vent; 24. Hinge; 25. Buffered door closer; 26. Static electricity line; 27. Wire mesh explosion-proof glass observation window. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1 and Figure 2 The utility model provides a technical solution: an explosion-proof gas cylinder cabinet, including a gas cylinder cabinet assembly 1, the gas cylinder cabinet assembly 1 includes a cabinet body 11, the cabinet body 11 is made of 2.0mm high-quality cold-rolled steel plate, a cabinet door assembly 2 is provided on the front of the gas cylinder cabinet assembly 1, the cabinet door assembly 2 includes a cabinet door plate 21, the cabinet door assembly 2 also includes a hinge 24, the hinge 24 is a special hinge for equipment control cabinets, etc. made of stainless steel, the cabinet door plate 21 is rotatably connected to the front side of the gas cylinder cabinet assembly 1 through the hinge 24, the cabinet door assembly 2 also includes a buffer door closer 25, the buffer door closer 25 is fixedly installed in the cabinet body 11 and the movable end is fixedly connected to the back of the cabinet door plate 21, the gas cylinder cabinet assembly 1 also includes a gas supply panel 17 and a gas leakage alarm element 18, the gas supply panel 17 is fixedly installed on the upper inner part of the gas cylinder cabinet assembly 1, and the gas leakage alarm element 18 is fixedly installed on the upper inner wall of the gas cylinder cabinet assembly 1.

[0025] See also Figure 3 The gas cylinder cabinet assembly 1 also includes four sets of cylinder brackets 15. The cylinder brackets 15 are made of aluminum alloy, which makes the fixing effect more firm. The cylinder brackets 15 are fixedly connected to the middle of the inner wall of the gas cylinder cabinet assembly 1.

[0026] See also Figure 3 The gas cylinder cabinet assembly 1 also includes a stainless steel chain 16 , which is buckled on the side of the cylinder bracket 15 .

[0027] See also Figure 3 The gas cylinder cabinet assembly 1 also includes a sealing strip 14, which is fixedly connected to the front of the cabinet body 11. The gas cylinder cabinet assembly 1 also includes a stainless steel base 13, which is fixedly connected to the bottom of the gas cylinder cabinet assembly 1.

[0028] See also Figure 3 The gas cylinder cabinet assembly 1 also includes casters 12, which are four sets and rotatably connected to the bottom of the cabinet 11. The casters 12 can facilitate the movement of the cabinet 11 as a whole.

[0029] See also Figure 4 The gas cylinder cabinet assembly 1 also includes an anti-slip pedal 19 and a rotating shaft 191. The anti-slip pedal 19 is flipped and connected to the bottom of the gas cylinder cabinet assembly 1 through the rotating shaft 191. Anti-slip strips 192 are evenly spaced on the top of the anti-slip pedal 19. The anti-slip pedal 19 can bear a weight of about 100 kg.

[0030] See also Figure 2 The cabinet door assembly 2 also includes an electrostatic line 26, which is fixedly installed on the back of the cabinet door plate 21. The cabinet door assembly 2 also includes a door lock 22, which is a connecting rod lock and is fixedly installed on the front of the cabinet door plate 21.

[0031] See also Figure 1 The cabinet door assembly 2 also includes a wire mesh explosion-proof glass observation window 27 and an exhaust vent 23. The wire mesh explosion-proof glass observation window 27 is fixedly connected to the upper front portion of the cabinet door panel 21, and the exhaust vent 23 is fixedly connected to the lower front portion of the cabinet door panel 21.

[0032] See also Figure 1 - Figure 4 The gas supply panel 17 is permanently installed in the gas cylinder cabinet near the gas use point. The high-pressure gas in the bottle is reduced to low-pressure gas in the pipeline through this gas supply panel 17, and connected to the use point through the downstream pipeline system. The purge valve block is located at the air inlet end to keep the purge gas volume to a minimum (only the part connected to the cylinder), and the purge gas can also be discharged separately.

[0033] This design with external gas purge offers the following advantages:

[0034] Purging the system of residual gas before replacing the gas cylinder can improve the safety level of the operator.

[0035] Purging can remove the air that enters the system when changing gas cylinders, thereby maintaining the purity of the gas.

[0036] When using corrosive gases, purging can bring dry inert gas to reduce the water content in the gas line and extend the service life of the equipment.

[0037] Equipped with a low-pressure cylinder detection and alarm function, information data can be uploaded to the Internet of Things, cloud platforms, and mobile apps in real time, and cylinder pressure can be detected 24 hours a day. Gas monitoring function is achieved by installing a pressure sensor and pressure alarm box.

[0038] Equipped with gas pipeline leakage alarm detection function, gas detectors are set in the gas cylinder cabinet according to the gas type to continuously monitor the gas cylinder cabinet. When the preset dangerous concentration is detected, it will issue an acoustic alarm signal greater than 100 decibels and a clearly visible light alarm signal in 5 directions at a distance of 20 meters. It is an important monitoring instrument to ensure personal safety and factory safety.

[0039] The working principle and use process of this utility model are as follows:

[0040] The utility model is equipped with a semi-automatic switching gas supply panel 17 for the gas pipeline, which can realize uninterrupted gas supply to dual gas cylinders, including the function of emptying and replacing the gas pipeline to ensure the purity of the pipeline gas after the gas cylinder is replaced. When the pressure in the working gas cylinder (group) drops to the preset pressure value, the system starts to automatically switch from the use end to the standby end, and the standby gas cylinder group starts to supply gas. This is achieved by integrating two pressure reducers with different pressure settings. Rotate the handle to the full bottle (group) position to disconnect the gas supply on the empty bottle (group) side, and you can replace the empty bottle (group) under the premise of uninterrupted gas supply.

[0041] The utility model is equipped with a gas leakage alarm element 18. Corresponding gas detectors are set in the cabinet 11 according to the gas type to continuously monitor the cabinet 11. When the preset dangerous concentration is detected, an acoustic alarm signal greater than 100 decibels and a clearly visible light alarm signal in five directions at a distance of 20 meters will be issued. It is an important monitoring instrument to ensure personal safety and factory safety.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An explosion-proof gas cylinder cabinet, comprising a gas cylinder cabinet assembly (1), characterized in that: The gas cylinder cabinet assembly (1) comprises a cabinet body (11), a cabinet door assembly (2) is arranged on the front of the gas cylinder cabinet assembly (1), the cabinet door assembly (2) comprises a cabinet door panel (21), the cabinet door assembly (2) further comprises a hinge (24), the cabinet door panel (21) is rotatably connected to the front side of the gas cylinder cabinet assembly (1) via the hinge (24), the cabinet door assembly (2) further comprises a buffer door closer (25), the buffer door closer (25) is fixedly installed in the cabinet body (11) and the movable end is fixedly connected to the back of the cabinet door panel (21), the gas cylinder cabinet assembly (1) further comprises a gas supply panel (17) and a gas leakage alarm element (18), the gas supply panel (17) is fixedly installed in the upper part of the gas cylinder cabinet assembly (1), and the gas leakage alarm element (18) is fixedly installed on the upper inner wall of the gas cylinder cabinet assembly (1).

2. An explosion-proof gas cylinder cabinet according to claim 1, characterized in that: The gas cylinder cabinet assembly (1) further comprises four groups of steel cylinder brackets (15), wherein the steel cylinder brackets (15) are fixedly connected to the middle part of the inner wall of the gas cylinder cabinet assembly (1).

3. The explosion-proof gas cylinder cabinet according to claim 1, characterized in that: The gas cylinder cabinet assembly (1) further comprises a stainless steel chain (16), wherein the stainless steel chain (16) is buckled on the side of the cylinder bracket (15).

4. The explosion-proof gas cylinder cabinet according to claim 1, characterized in that: The gas cylinder cabinet assembly (1) further comprises a sealing strip (14), wherein the sealing strip (14) is fixedly connected to the front of the cabinet body (11); the gas cylinder cabinet assembly (1) further comprises a stainless steel base (13), wherein the stainless steel base (13) is fixedly connected to the bottom of the gas cylinder cabinet assembly (1).

5. The explosion-proof gas cylinder cabinet according to claim 1, characterized in that: The gas cylinder cabinet assembly (1) further comprises casters (12), which are in four groups and are rotatably connected around the bottom of the cabinet body (11).

6. The explosion-proof gas cylinder cabinet according to claim 1, characterized in that: The gas cylinder cabinet assembly (1) further comprises an anti-skid pedal (19) and a rotating shaft (191); the anti-skid pedal (19) is flipped and connected to the bottom of the gas cylinder cabinet assembly (1) via the rotating shaft (191); and anti-skid strips (192) are evenly spaced on the top of the anti-skid pedal (19).

7. The explosion-proof gas cylinder cabinet according to claim 1, characterized in that: The cabinet door assembly (2) further comprises an electrostatic line (26), wherein the electrostatic line (26) is fixedly mounted on the back of the cabinet door panel (21); the cabinet door assembly (2) further comprises a door lock (22), wherein the door lock (22) is fixedly mounted on the front of the cabinet door panel (21).

8. The explosion-proof gas cylinder cabinet according to claim 7, characterized in that: The cabinet door assembly (2) further comprises a steel mesh explosion-proof glass observation window (27) and an exhaust port (23), wherein the steel mesh explosion-proof glass observation window (27) is fixedly connected to the upper front portion of the cabinet door panel (21), and the exhaust port (23) is fixedly connected to the lower front portion of the cabinet door panel (21).

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