Industrial gas recovery device for gas storage tank

Abstract

The utility model discloses an industrial gas recovery device for a gas storage tank, and particularly relates to the technical field of industrial gas recovery, the industrial gas recovery device comprises a recovery box for collecting industrial gas in the gas storage tank, a partition plate is fixedly arranged in the recovery box and divides the interior of the recovery box into two filtering cavities, and the two filtering cavities are communicated with the gas storage tank. Air filtering assemblies are arranged in the two filtering cavities, and each air filtering assembly comprises a screen box and a frame which are distributed up and down. Industrial gas in the gas storage tank is sucked into the two filter cavities through the two suction pumps, the industrial gas is filtered through the filter screen and the filter element and then discharged and recycled through the three-way pipe, and after the air quality detector detects that the content of the industrial gas in the gas inlet pipe disappears, recycling of the industrial gas in the gas storage tank is completed. And the two electromagnetic valves are used for controlling the flow direction of the gas, the two filter elements and the two filter screens can be cleaned and replaced without shutdown, continuous filtration and recovery of the industrial gas are realized, and the recovery efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial gas recovery, in particular to an industrial gas recovery device for a gas storage tank. Background Art

[0002] Industrial gas is known as the "blood" of industry. With the rapid development of China's economy, industrial gas, as one of the basic industrial elements of the national economy, has become increasingly important and plays an increasingly important role in the national economy. The conventional practice is to compress the gas in a tank. For example, gas, nitrogen, argon, coal gas and other gases are often transported in gas storage tanks.

[0003] However, the prior art publication number is CN220026530U, which is an industrial gas recovery device. The utility model allows industrial gas to enter the interior of the device by providing an industrial gas inlet pipe, and can preliminarily intercept the industrial gas by providing a second activated carbon adsorption block, and the gas is recovered through the industrial gas recovery pipe.

[0004] However, the above-mentioned prior art still has the following problems when in use: when using an activated carbon adsorption block to filter the industrial gas in the gas storage tank, the adsorption performance of the activated carbon adsorption block decreases after long-term use, so it needs to be replaced, and it takes a lot of time to disassemble and reinstall the activated carbon adsorption block, which seriously reduces the recovery efficiency of the industrial gas in the gas tank. Based on this, the utility model provides an industrial gas recovery device for a gas tank that is easy to clean and replace and does not reduce the recovery efficiency. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an industrial gas recovery device for a gas tank. After filtering the industrial gas in the gas tank through a filter screen and a filter element, the industrial gas is discharged and recovered from a three-way pipe. At the same time, an air quality detector is used to detect the industrial gas in the intake pipe, and the gas flow direction is controlled with the help of two solenoid valves. The two filter elements and two filter screens can be cleaned and replaced without stopping the machine, thereby realizing continuous filtering and recovery of industrial gas, greatly improving the recovery efficiency, and solving the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an industrial gas recovery device for a gas tank, comprising a recovery box for collecting industrial gas inside the gas tank, a partition is fixedly provided inside the recovery box, the partition divides the interior of the recovery box into two filter chambers, both filter chambers are provided with air filter assemblies, the air filter assembly comprises a screen box and a frame distributed up and down, two filter nets distributed up and down are provided inside the frame, a filter element is placed inside the screen box for filtering the gas in the gas tank, suction pumps are fixedly provided inside the two filter chambers, the suction pumps are arranged below the frame, the air inlets of the two suction pumps are fixedly connected with air intake pipes, one end of the air intake pipes passes through the recovery box and is connected with the air outlet of the gas tank, the two air intake pipes are fixedly connected with air quality detectors, and the air quality detectors are fixed on the recovery box.

[0007] In a preferred embodiment, a three-way pipe is fixedly passed through the top of the recovery box, and the two ends of the bottom of the three-way pipe are respectively connected to the inside of the two filter chambers, and the two ends of the bottom of the three-way pipe are arranged above the screen box for discharging the filtered industrial gas.

[0008] In a preferred embodiment, solenoid valves are fixedly provided on the three-way pipe and the two air inlet pipes, and there are two solenoid valves on the three-way pipe, so that the staff can control the opening and closing of the three-way pipe easily.

[0009] In a preferred embodiment, the recovery box is provided with a plurality of openings on a side away from the gas storage tank, and the plurality of openings are distributed at the two sieve boxes and the two frames, so as to facilitate workers to install and remove the sieve boxes and the frames.

[0010] In a preferred embodiment, a sealing plate is hinged in each opening, and the inner walls of the sealing plates are respectively in contact with the two sieve boxes and the two frame outer walls. The sealing plates are used to seal the openings and improve the firmness of the sieve boxes and the frames.

[0011] In a preferred embodiment, pads are provided on both sides of the bottom of each screen box and both sides of the bottom of each frame, and a plurality of pads are respectively fixed on the inner wall of the recovery box and the inner wall of the partition to facilitate installation and removal of the screen box and the frame.

[0012] In a preferred embodiment, a controller for controlling a suction pump, an air quality detector and a solenoid valve is fixedly provided at the front end of the recycling box, and a plurality of storage slots are opened at the bottom of the recycling box. A universal wheel with a brake is fixed in each storage slot to facilitate the staff to push the recycling box to move.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model uses two suction pumps to draw the industrial gas in the gas storage tank into two filter chambers. After the industrial gas is filtered by the filter screen and the filter element, it is discharged and recovered through the three-way pipe. After the air quality detector detects that the industrial gas content in the intake pipe disappears, it means that the industrial gas recovery in the gas storage tank is completed. In addition, with the help of two solenoid valves to control the gas flow direction, the two filter elements and two filter screens can be cleaned and replaced without stopping the machine, thereby realizing continuous filtering and recovery of industrial gas, greatly improving the recovery efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side view of the overall structure of the utility model;

[0017] Figure 3 It is a bottom view of the overall structure of the utility model;

[0018] Figure 4 This is an internal diagram of the recycling bin of the utility model;

[0019] Figure 5 This is a cross-sectional view of the recycling box of the present utility model.

[0020] The reference numerals are: 1, recovery box; 2, partition; 3, filter chamber; 4, air filter assembly; 5, suction pump; 6, air intake pipe; 7, air quality detector; 8, three-way pipe; 9, solenoid valve; 10, opening; 11, sealing plate; 12, cushion block; 13, controller; 14, storage slot; 15, universal wheel;

[0021] 401, screen box; 402, frame; 403, filter screen; 404, filter element. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Refer to the attached drawings in the specification Figure 1-Figure 5The utility model provides an industrial gas recovery device for a gas storage tank, comprising a recovery box 1 for collecting industrial gas inside the gas storage tank, wherein a partition 2 is fixedly arranged inside the recovery box 1, wherein the partition 2 divides the inside of the recovery box 1 into two filter chambers 3, wherein both filter chambers 3 are provided with an air filter assembly 4, wherein the air filter assembly 4 comprises a screen box 401 and a frame 402 which are arranged vertically, wherein two filter screens 403 which are arranged vertically are arranged inside the frame 402, wherein a filter element 404 is placed inside the screen box 401 for filtering the gas in the gas storage tank;

[0024] Next, a suction pump 5 is fixedly provided inside the two filter chambers 3, and the suction pump 5 is arranged below the frame 402. The air inlets of the two suction pumps 5 are fixedly connected with an air inlet pipe 6, one end of which passes through the recovery box 1 and is connected with the air outlet of the air storage tank. The two air inlet pipes 6 are fixedly connected with an air quality detector 7, and the air quality detector 7 is fixed on the recovery box 1;

[0025] In addition, a three-way pipe 8 is fixedly passed through the top of the recovery box 1, and the two ends of the bottom of the three-way pipe 8 are respectively connected to the inside of the two filter chambers 3, and the two ends of the bottom of the three-way pipe 8 are arranged above the screen box 401, which is used to discharge the filtered industrial gas. The three-way pipe 8 and the two air inlet pipes 6 are fixedly provided with solenoid valves 9, and the number of solenoid valves 9 on the three-way pipe 8 is two, which is convenient for controlling the opening and closing of the three-way pipe 8;

[0026] Moreover, a plurality of openings 10 are provided on the side of the recovery box 1 away from the gas storage tank, and the plurality of openings 10 are distributed at the two sieve boxes 401 and the two frames 402, so that the workers can install and remove the sieve boxes 401 and the frames 402 conveniently. A sealing plate 11 is hinged in each opening 10, and the inner walls of the plurality of sealing plates 11 are respectively in contact with the outer walls of the two sieve boxes 401 and the two frames 402. The sealing plates 11 are used to seal the openings 10, and at the same time, the firmness of the sieve boxes 401 and the frames 402 can be improved.

[0027] A controller 13 for controlling the suction pump 5, the air quality detector 7 and the solenoid valve 9 is fixedly provided at the front end of the recycling box 1. A plurality of storage slots 14 are provided at the bottom of the recycling box 1. A universal wheel 15 with a brake is fixedly provided in each storage slot 14 to facilitate the staff to push the recycling box 1 to move.

[0028] When in use, the staff first pushes the recovery box 1 to the side of the gas storage tank, and then connects the two air inlet pipes 6 with the air outlet of the gas storage tank. The industrial gas in the gas storage tank is sucked into the two filter chambers 3 by the two suction pumps 5 respectively. After being filtered by the filter screen 403 and the filter element 404, the gas is discharged through the three-way pipe 8 for recovery. After the air quality detector 7 detects that the industrial gas content in the air inlet pipe 6 disappears, it means that the industrial gas recovery in the gas storage tank is completed. While recycling, the staff can control the two solenoid valves 9 on the three-way pipe 8, first remove the sieve box 401 and the frame 402 in front of the partition 2 for replacement, and use the sieve box 401 and the frame 402 behind the partition 2 to continue filtering, and then replace the sieve box 401 and the frame 402 behind the partition 2. The cleaning of the filter element 404 and the filter screen 403 can be completed without stopping the machine, so that the recovery box 1 can continuously filter and recover the industrial gas in the gas storage tank, greatly improving the recovery efficiency.

[0029] Refer to the attached drawings in the specification Figure 1-Figure 5 Pads 12 are provided on both sides of the bottom of each screen box 401 and both sides of the bottom of each frame 402. Multiple pads 12 are respectively fixed on the inner wall of the recovery box 1 and the inner wall of the partition 2, which is convenient for installing and disassembling the screen box 401 and the frame 402.

[0030] By providing a pad 12 at the bottom of each sieve box 401 and the bottom of each frame 402, the pad 12 is used to support the sieve box 401 and the frame 402, so as to facilitate the workers to install and disassemble the sieve box 401 and the pad 12, and the sealing plate 11 is used to support the outer wall of the sieve box 401 and the pad 12, so as to improve the stability of the sieve box 401 and the pad 12 when in use.

[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An industrial gas recovery device for a gas storage tank, comprising a recovery box (1) for collecting industrial gas inside the gas storage tank, characterized in that: A partition (2) is fixedly provided inside the recovery box (1), and the partition (2) divides the interior of the recovery box (1) into two filter chambers (3); An air filter assembly (4) is disposed inside each of the two filter chambers (3), the air filter assembly (4) comprising a filter box (401) and a frame (402) disposed up and down, two filter screens (403) disposed up and down inside the frame (402), and a filter element (404) is disposed inside the filter box (401) for filtering the gas in the gas storage tank; Suction pumps (5) are fixedly provided inside the two filter chambers (3), and the suction pumps (5) are arranged below the frame (402). Air inlets of the two suction pumps (5) are fixedly connected to air inlet pipes (6), one end of the air inlet pipes (6) passes through the recovery box (1) and is connected to the air outlet of the air storage tank. The two air inlet pipes (6) are fixedly connected to air quality detectors (7), and the air quality detectors (7) are fixed to the recovery box (1).

2. The industrial gas recovery device for a gas storage tank according to claim 1, characterized in that: A three-way pipe (8) is fixedly passed through the top of the recovery box (1), and the two ends of the bottom of the three-way pipe (8) are respectively connected to the inside of the two filter chambers (3), and the two ends of the bottom of the three-way pipe (8) are arranged above the sieve box (401).

3. The industrial gas recovery device for a gas storage tank according to claim 2, characterized in that: The three-way pipe (8) and the two air inlet pipes (6) are both fixedly provided with solenoid valves (9), and there are two solenoid valves (9) on the three-way pipe (8), so as to facilitate the control of the opening and closing of the three-way pipe (8).

4. The industrial gas recovery device for a gas storage tank according to claim 1, characterized in that: The recovery box (1) is provided with a plurality of openings (10) on a side away from the gas storage tank, and the plurality of openings (10) are distributed on the two sieve boxes (401) and the two frames (402).

5. The industrial gas recovery device for a gas storage tank according to claim 4, characterized in that: A sealing plate (11) is hingedly connected in each opening (10), and the inner walls of the plurality of sealing plates (11) are in contact with the outer walls of the two sieve boxes (401) and the two frames (402) respectively.

6. The industrial gas recovery device for a gas storage tank according to claim 1, characterized in that: Pads (12) are provided on both sides of the bottom of each sieve box (401) and on both sides of the bottom of each frame (402), and the plurality of pads (12) are respectively fixed on the inner wall of the recovery box (1) and the inner wall of the partition (2).

7. The industrial gas recovery device for a gas storage tank according to claim 3, characterized in that: A controller (13) for controlling a suction pump (5), an air quality detector (7) and a solenoid valve (9) is fixedly provided at the front end of the recovery box (1), and a plurality of storage slots (14) are provided at the bottom of the recovery box (1), and a universal wheel (15) with a brake is fixedly provided in each storage slot (14).

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