Raw gas filtering equipment for liquid oxygen preparation

Abstract

The utility model relates to the field of air filtering equipment, in particular to original gas filtering equipment for liquid oxygen preparation, which comprises a tank body, an air inlet valve and an exhaust valve arranged at the upper end and the lower end of the tank body respectively, a mounting rack arranged at the lower end in the tank body, a filter cartridge sleeved outside the mounting rack, and a sealing cover arranged at the upper end of the filter cartridge and connected with the mounting rack, the exhaust valve is arranged in the mounting frame, a lifting mechanism is arranged in the tank body and comprises a frame arranged outside the filter cartridge in a sleeving manner, a plurality of roll shafts in contact with the surface of the filter cartridge are rotationally arranged on the frame, and a plurality of first drain valves are arranged at the bottom end of the tank body on the outer side of the mounting frame. The utility model has the advantages that the water absorption function of the filter cartridge can be repaired, and good water filtering efficiency can be kept.

Description

Technical Field

[0001] The utility model relates to the field of air filtering equipment, in particular to a raw air filtering equipment for preparing liquid oxygen. Background Art

[0002] Liquid oxygen is made from liquefied oxygen and has a wide range of uses, including in the medical and industrial fields. Liquid oxygen is generally prepared by liquid air separation, and its process includes: air filtration, compressed air, condensation, steam cooling, diffusion, adsorption and analysis. In the air filtration process, it refers to the use of different filtering equipment to filter out dust, water and oil contained in the air. In the process of filtering water, after a period of use, the filter cartridge will become saturated with water, resulting in weaker water absorption capacity, affecting the water filtering function. Therefore, it is particularly necessary to develop a raw air filtration device for liquid oxygen preparation that can repair the water absorption function of the filter cartridge and maintain good water filtering efficiency. Summary of the invention

[0003] The utility model aims to provide a raw gas filtering device for preparing liquid oxygen, which has the advantages of being able to repair the water absorption function of the filter cartridge and maintain good water filtering efficiency.

[0004] The technical solutions adopted are as follows:

[0005] A raw gas filtering device for preparing liquid oxygen comprises a tank body, wherein an air inlet valve and an air exhaust valve are respectively arranged at the upper and lower ends of the tank body, a mounting frame is arranged at the lower end of the tank body, a filter cartridge is sleeved on the outer side of the mounting frame, a sealing cover connected to the mounting frame is arranged on the upper end of the filter cartridge, the exhaust valve is arranged inside the mounting frame, a lifting mechanism is arranged inside the tank body, the lifting mechanism comprises a frame sleeved on the outer side of the filter cartridge, a plurality of rollers contacting the surface of the filter cartridge are rotatably arranged on the frame, and a plurality of first liquid discharge valves are arranged at the bottom end of the tank body outside the mounting frame.

[0006] Preferably, the exhaust valve extends upward to the middle of the filter cartridge.

[0007] Preferably, a waterproof cap is provided at the upper end of the exhaust valve.

[0008] Preferably, a plurality of second drain valves are provided at the bottom end of the tank body inside the mounting frame.

[0009] Preferably, the lifting mechanism includes a plurality of vertically rotatable screws, the frame and the screws are threadedly connected, and a plurality of servo motors are arranged at the lower end of the tank body, and the servo motors correspond to the screws one by one.

[0010] Preferably, both the air inlet valve and the exhaust valve are equipped with a one-way valve.

[0011] Preferably, an annular groove is provided at the lower end of the tank body, and the first liquid discharge valve is arranged at the bottom end of the annular groove.

[0012] Compared with the prior art, the beneficial effects are:

[0013] 1. The utility model utilizes a lifting mechanism to drive the frame to rise and fall, and utilizes a plurality of rollers rotatably arranged on the frame to squeeze out the water adsorbed in the filter cartridge. The water in the filter cartridge is squeezed out and flows to the inner bottom end of the tank body, which has the function of repairing the water absorption function of the filter cartridge and maintaining good water filtering efficiency. When drainage is required, the first drain valve is opened to drain the water inside the tank body.

[0014] 2. A plurality of second drain valves are provided at the bottom of the tank body inside the mounting frame of the utility model, so that the water accumulated at the bottom of the mounting frame can be discharged from the second drain valves. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a raw gas filtering device for preparing liquid oxygen in the utility model.

[0016] Figure 2 This is a schematic diagram of the top view of the frame of a raw gas filtering device for preparing liquid oxygen in the utility model.

[0017] In the figure: 1. tank body, 2. air inlet valve, 3. exhaust valve, 4. mounting frame, 5. filter cartridge, 6. waterproof cap, 7. one-way valve, 8. frame, 9. screw, 10. servo motor, 11. roller, 12. first liquid discharge valve, 13. annular groove, 14. second liquid discharge valve, 15. sealing cover. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with specific embodiments. Figure 1 to Figure 2 As shown:

[0019] Embodiment 1: A raw gas filtering device for preparing liquid oxygen comprises a tank body 1, wherein an air inlet valve 2 and an exhaust valve 3 are respectively arranged at the upper and lower ends of the tank body 1, a mounting frame 4 is arranged at the lower end of the tank body 1, a filter cartridge 5 is sleeved on the outer side of the mounting frame 4, a sealing cover 15 connected to the mounting frame 4 is arranged on the upper end of the filter cartridge 5, and the exhaust valve 3 is arranged inside the mounting frame 4. The filter cartridge 5 is a prior art and will not be described in detail here; air enters the tank body 1 from the air inlet valve 2, enters the filter cartridge 5 through the outer side of the filter cartridge 5 and is discharged from the exhaust valve 3. During the process of air passing through the filter cartridge 5, the filter cartridge 5 absorbs water in the air.

[0020] A lifting mechanism is provided in the tank body 1, and the lifting mechanism includes a frame 8 sleeved outside the filter cartridge 5, and a plurality of rollers 11 are rotatably provided on the frame 8 to contact the surface of the filter cartridge 5. A plurality of first liquid discharge valves 12 are provided at the bottom of the tank body 1 outside the mounting frame 4.

[0021] The lifting mechanism drives the frame 8 to rise and fall, and utilizes the multiple rollers 11 rotatably arranged on the frame 8 to squeeze out the water adsorbed in the filter cartridge 5. The water in the filter cartridge 5 is squeezed out and flows to the inner bottom end of the tank body 1. When drainage is required, the first drain valve 12 is opened to drain the water inside the tank body 1.

[0022] Embodiment 2: A raw gas filtering device for preparing liquid oxygen comprises a tank body 1, wherein an air inlet valve 2 and an exhaust valve 3 are respectively arranged at the upper and lower ends of the tank body 1, a mounting frame 4 is arranged at the lower end of the tank body 1, a filter cartridge 5 is sleeved on the outer side of the mounting frame 4, a sealing cover 15 connected to the mounting frame 4 is arranged on the upper end of the filter cartridge 5, and the exhaust valve 3 is arranged inside the mounting frame 4. The filter cartridge 5 is a prior art and will not be described in detail here; air enters the tank body 1 from the air inlet valve 2, enters the filter cartridge 5 through the outer side of the filter cartridge 5 and is discharged from the exhaust valve 3. During the process of air passing through the filter cartridge 5, the filter cartridge 5 absorbs water in the air.

[0023] The exhaust valve 3 extends upward to the middle of the filter cartridge 5. A waterproof cap 6 is provided at the upper end of the exhaust valve 3 to prevent water from entering the exhaust valve 3. Both the intake valve 2 and the exhaust valve 3 are equipped with a one-way valve 7. A lifting mechanism is provided in the tank body 1. The lifting mechanism includes a frame 8 sleeved outside the filter cartridge 5. The lifting mechanism includes a plurality of vertically rotatable screws 9. The frame 8 and the screws 9 are both threadedly connected. A plurality of servo motors 10 are provided at the lower end of the tank body 1. The servo motors 10 correspond to the screws 9 one by one.

[0024] A plurality of rollers 11 in contact with the surface of the filter cartridge 5 are rotatably provided on the frame 8, and the lifting mechanism drives the frame 8 to rise and fall, and the plurality of rollers 11 rotatably provided on the frame 8 are used to squeeze out the water adsorbed in the filter cartridge 5, and the water in the filter cartridge 5 is squeezed out and flows to the inner bottom end of the tank body 1, and a plurality of first drain valves 12 are provided at the bottom end of the tank body 1 outside the mounting frame 4, and an annular groove 13 is provided at the lower end of the tank body 1, and the first drain valves 12 are all provided at the bottom end of the annular groove 13, and the annular groove 13 facilitates the gathering of water, and a plurality of second drain valves 14 are provided at the bottom end of the tank body 1 inside the mounting frame 4,

[0025] The specific working process is as follows: when entering the air filtration, the air enters the tank body 1 from the air inlet valve 2, enters the filter cartridge 5 through the outside of the filter cartridge 5 and is discharged from the exhaust valve 3. During the air passing through the filter cartridge 5, the filter cartridge 5 absorbs water in the air. When the filter cartridge 5 contains more water, the lifting mechanism drives the frame 8 to rise and fall, and the multiple rollers 11 rotatably arranged on the frame 8 are used to squeeze out the water adsorbed in the filter cartridge 5. The water in the filter cartridge 5 is squeezed out and flows to the bottom end of the tank body 1. When drainage is required, the first drain valve 12 and the second drain valve 14 are opened to drain the water inside the tank body 1.

[0026] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A raw gas filtering device for preparing liquid oxygen, characterized in that: It includes a tank body, with an air inlet valve and an exhaust valve respectively arranged at the upper and lower ends of the tank body, a mounting frame is arranged at the lower end of the tank body, a filter cartridge is sleeved on the outer side of the mounting frame, a sealing cover connected to the mounting frame is arranged on the upper end of the filter cartridge, the exhaust valve is arranged inside the mounting frame, a lifting mechanism is arranged inside the tank body, the lifting mechanism includes a frame sleeved on the outside of the filter cartridge, a plurality of rollers rotatably arranged on the frame for contacting the surface of the filter cartridge, and a plurality of first liquid discharge valves are arranged at the bottom end of the tank body outside the mounting frame.

2. A raw gas filtering device for preparing liquid oxygen according to claim 1, characterized in that: The exhaust valve extends upward to the middle of the filter cartridge.

3. A raw gas filtering device for preparing liquid oxygen as claimed in claim 2, characterized in that: The upper end of the exhaust valve is provided with a waterproof cap.

4. A raw gas filtering device for preparing liquid oxygen according to claim 1, characterized in that: A plurality of second liquid discharge valves are arranged at the bottom end of the tank body inside the mounting frame.

5. The raw gas filtering equipment for preparing liquid oxygen according to claim 1, characterized in that: The lifting mechanism comprises a plurality of vertically rotatable lead screws, the frame and the lead screws are threadedly connected, a plurality of servo motors are arranged at the lower end of the tank body, and the servo motors correspond to the lead screws one by one.

6. A raw gas filtering device for preparing liquid oxygen according to claim 1, characterized in that: The air inlet valve and the air exhaust valve are both equipped with a one-way valve.

7. A raw gas filtering device for preparing liquid oxygen as claimed in claim 1, characterized in that: The lower end of the tank body is provided with an annular groove, and the first liquid discharge valve is arranged at the bottom end of the annular groove.

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