Efficient carbon dioxide screening device

Abstract

The utility model relates to the technical field of air screening, in particular to an efficient carbon dioxide screening device which comprises a solution box and a filter box, a liquid inlet pipe and a liquid outlet pipe are arranged at the side end of the solution box, a concentric-square-shaped pipe is arranged on the inner wall of the bottom end of the solution box, and an air outlet hole is formed in the upper end of the concentric-square-shaped pipe. A rotating shaft is rotatably mounted on the inner wall of the bottom end of the solution box and located on the inner side of the concentric-square-shaped pipe, stirring rods distributed in an array mode are arranged on the rotating shaft, the filtering box is mounted at the upper end of the solution box, communicating pipes are mounted at the side end of the filtering box, the tail ends of the communicating pipes communicate with the solution box, and filtering cloth is arranged in the communicating pipes; a mounting opening is formed in the side end of the filter box, a soda lime filter layer is mounted from the mounting opening into the filter box, and a cover plate is mounted at the front end of the soda lime filter layer. The air purifier has the advantage that carbon dioxide in air can be effectively screened and removed through two times of adsorption and filtration.

Description

Technical Field

[0001] The utility model relates to the technical field of air screening, in particular to a carbon dioxide high-efficiency screening device. Background Art

[0002] Carbon dioxide is a carbon oxide with the chemical formula CO2 and a chemical formula weight of 44.0095. It is a colorless and tasteless gas or a colorless and odorless gas at room temperature and pressure, and its aqueous solution has a slightly sour taste. It is also a common greenhouse gas and a component of air. In recent years, the application of air separation equipment has become more and more extensive, and it has gradually become a key equipment in industries such as steel metallurgy, petrochemicals, and coal chemical industry. With the increasing demand for air separation products such as nitrogen and oxygen in these industries, the air separation industry has gradually developed towards large-scale development. The commonly used method for air separation in industry is low-temperature separation. The cold box is mainly heat exchange and distillation separation, which is the core system of air separation equipment. Oxygen, nitrogen and other components in the air are separated by distillation at low temperatures.

[0003] With the development of air separation technology, people have higher and higher requirements for the safe operation of the device, and the factors affecting the safe operation of the device have been analyzed more and more comprehensively. In particular, in recent years, large-scale molecular sieve process air separation device explosion accidents have occurred one after another. In the operation of air separation devices, carbon dioxide is the main influencing factor and plays a decisive role in operational safety. In the low-temperature heat exchange process, the CO2 condensation temperature in air separation is relatively high, and it is easy to condense in the cold box during heat exchange, freeze and block the heat exchanger channel, and affect the normal operation of the air separation device. Therefore, the utility model provides a high-efficiency carbon dioxide screening device. Utility Model Content

[0004] The purpose of the utility model is to provide a carbon dioxide efficient screening device, which has the advantage of being able to effectively screen and remove carbon dioxide from the air through two adsorption filtrations, thereby solving the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a carbon dioxide efficient screening device, comprising a solution box and a filter box, the side end of the solution box is provided with a liquid inlet pipe and a liquid discharge pipe, the inner wall of the bottom end of the solution box is provided with a meandering tube, the upper end of the meandering tube is provided with an air outlet, the inner wall of the bottom end of the solution box is rotatably installed with a rotating shaft, the rotating shaft is located on the inner side of the meandering tube, and the rotating shaft is provided with stirring rods distributed in an array, the filter box is installed at the upper end of the solution box, and the side end of the filter box is provided with a connected connecting pipe, the end of the connecting pipe is connected to the solution box, and a filter cloth is provided in the connecting pipe, the side end of the filter box is provided with an installation port, an alkaline lime filter layer is installed from the installation port into the filter box, and a cover plate is installed at the front end of the alkaline lime filter layer.

[0006] When using the utility model of a carbon dioxide efficient screening device,

[0007] NaOH solution can be added into the solution tank through the liquid inlet pipe, and air can be transported into the ring-shaped tube through the operation of the air pump. The air can be discharged from the air outlet at the upper end of the ring-shaped tube into the solution to form bubbles. At the same time, the rotating shaft can be rotated by the operation of the driving device, and the bubbles can be broken by the stirring rod. The air can react with the NaOH solution to remove carbon dioxide in the air. After that, the air can enter the filter box through the connecting pipe. When the air is in the connecting pipe, it can be filtered through the filter cloth to filter the moisture in the air. After entering the filter box, the air can be filtered through the soda lime filter layer, and the soda lime filter layer can filter and adsorb carbon dioxide in the air. Finally, the air can be discharged from the outlet pipe.

[0008] Preferably, a supporting leg is installed at the lower end of the solution tank, and there are four supporting legs in total, and the four supporting legs are distributed in an array with respect to the solution tank.

[0009] Preferably, the liquid inlet pipe and the liquid discharge pipe are symmetrically distributed, and valves are provided on both the liquid inlet pipe and the liquid discharge pipe.

[0010] Preferably, an air pump is provided at the side end of the solution tank, and a first air inlet pipe and a second air inlet pipe are provided on the air pump, and the second air inlet pipe extends into the solution tank and is connected to the meander pipe.

[0011] Preferably, an air outlet pipe communicating with the filter box is installed at the upper end of the filter box.

[0012] Preferably, a threaded hole is provided at a side end of the filter box, a mounting hole corresponding to the threaded hole is provided on the cover plate, and bolts are installed in the mounting hole and the inner thread of the threaded hole.

[0013] Preferably, a driving device is provided at the lower end of the solution tank, and a main shaft of the driving device is connected to the axis of the rotating shaft.

[0014] Compared with the prior art, the utility model has the following beneficial effects: air can be transported into the circular tube through the operation of the air pump, and the air can be discharged from the air outlet at the upper end of the circular tube into the solution to form bubbles. At the same time, the driving device can rotate the rotating shaft, and the bubbles can be broken by the stirring rod. The air can react with the NaOH solution to remove carbon dioxide in the air. After that, the air can enter the filter box through the connecting pipe, and the carbon dioxide in the air can be filtered and adsorbed by the soda lime filter layer. Through two adsorption and filtration, the carbon dioxide in the air can be effectively screened and removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view structural schematic diagram of the utility model;

[0016] Figure 2It is a rear view structural schematic diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the cross-sectional bottom view of the structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model from the front.

[0019] The reference numerals and names in the figures are as follows:

[0020] 101. Solution tank; 102. Support legs; 103. Liquid inlet pipe; 104. Liquid discharge pipe; 105. Air pump; 106. Driving device; 107. Ring pipe; 108. Rotating shaft; 109. Stirring rod; 201. Connecting pipe; 202. Filter cloth; 301. Filter box; 302. Air outlet pipe; 303. Cover plate; 304. Soda lime filter layer. DETAILED DESCRIPTION

[0021] 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.

[0022] Example

[0023] See also Figures 1 to 4 The utility model provides an embodiment: a carbon dioxide efficient screening device, comprising:

[0024] A solution box 101 and a filter box 301, wherein a liquid inlet pipe 103 and a liquid discharge pipe 104 are arranged at the side end of the solution box 101, a ring-shaped tube 107 is arranged on the inner wall of the bottom end of the solution box 101, and an air outlet is arranged on the upper end of the ring-shaped tube 107, a rotating shaft 108 is rotatably installed on the inner wall of the bottom end of the solution box 101, the rotating shaft 108 is located inside the ring-shaped tube 107, and stirring rods 109 distributed in an array are arranged on the rotating shaft 108, the filter box 301 is installed at the upper end of the solution box 101, a connecting pipe 201 is arranged on the side end of the filter box 301, the end of the connecting pipe 201 is connected to the solution box 101, and a filter cloth 202 is arranged in the connecting pipe 201, an installation port is opened at the side end of the filter box 301, and a soda lime filter layer 304 is installed from the installation port into the filter box 301, and a cover plate 303 is installed at the front end of the soda lime filter layer 304.

[0025] In this embodiment, NaOH solution can be added to the solution box 101 through the liquid inlet pipe 103, and air can be transported to the ring-shaped tube 107 through the operation of the air pump 105. The air can be discharged from the air outlet at the upper end of the ring-shaped tube 107 into the solution to form bubbles. At the same time, the driving device 106 can rotate the rotating shaft 108, and the bubbles can be broken by the stirring rod 109. The air can react with the NaOH solution to remove carbon dioxide in the air. After that, the air can enter the filter box 301 through the connecting pipe 201. When the air is in the connecting pipe 201, it can be filtered through the filter cloth 202 to filter the moisture in the air. After entering the filter box 301, the air can be filtered through the soda lime filter layer 304. The soda lime filter layer 304 can filter and adsorb carbon dioxide in the air, and finally the air can be discharged from the outlet pipe 302.

[0026] Furthermore,

[0027] A support leg 102 is installed at the lower end of the solution tank 101. There are four support legs 102 in total, and the four support legs 102 are distributed in an array with respect to the solution tank 101. The support legs 102 can support the solution tank 101.

[0028] Furthermore,

[0029] The inlet pipe 103 and the drain pipe 104 are symmetrically distributed, and valves are provided on the inlet pipe 103 and the drain pipe 104. NaoOH solution can be added into the solution tank 101 through the inlet pipe 103, and the solution in the solution tank 101 can be discharged through the drain pipe 104 after being used for a long time.

[0030] Furthermore,

[0031] The side end of the solution tank 101 is provided with an air pump 105, and the air pump 105 is provided with a first air inlet pipe and a second air inlet pipe, and the second air inlet pipe extends into the solution tank 101 and is connected to the loop pipe 107. The air pump 105 can deliver air to the loop pipe 107 when it works.

[0032] Furthermore,

[0033] An air outlet pipe 302 communicating with the filter box 301 is installed at the upper end of the filter box 301. The air after filtering and adsorption can be discharged from the air outlet pipe 302.

[0034] Furthermore,

[0035] The filter box 301 has a threaded hole at its side, and the cover plate 303 has a mounting hole corresponding to the threaded hole. Bolts are installed in the mounting hole and the threaded hole. The mounting hole and the threaded hole are provided with bolts to fix the cover plate 303, thereby installing the soda lime filter layer 304.

[0036] Furthermore,

[0037] A driving device 106 is disposed at the lower end of the solution tank 101, and the main shaft of the driving device 106 is connected to the axis of the rotating shaft 108. The rotating shaft 108 can be rotated by the operation of the driving device 106.

[0038] The air pump 105 and the driving device 106 in the present invention are well-known devices, and their working principles and circuit connections are well known to technicians in the field. They are conventional means or common knowledge and will not be elaborated here. Those skilled in the art can make any selections according to their needs or convenience.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A carbon dioxide efficient screening device, comprising a solution tank (101) and a filter tank (301), characterized in that: The side ends of the solution box (101) are provided with a liquid inlet pipe (103) and a liquid outlet pipe (104); the inner wall of the bottom end of the solution box (101) is provided with a round tube (107); the upper end of the round tube (107) is provided with an air outlet; the inner wall of the bottom end of the solution box (101) is rotatably mounted with a rotating shaft (108); the rotating shaft (108) is located inside the round tube (107); and stirring rods (109) distributed in an array are provided on the rotating shaft (108); the filter box (30 1) is installed at the upper end of the solution box (101), a connecting pipe (201) is installed at the side end of the filter box (301), the end of the connecting pipe (201) is connected to the solution box (101), and a filter cloth (202) is arranged in the connecting pipe (201), a mounting opening is opened at the side end of the filter box (301), and a soda lime filter layer (304) is installed from the mounting opening into the filter box (301), and a cover plate (303) is installed at the front end of the soda lime filter layer (304).

2. A carbon dioxide efficient screening device according to claim 1, characterized in that: A supporting leg (102) is installed at the lower end of the solution tank (101), and there are four supporting legs (102) in total, and the four supporting legs (102) are distributed in an array with respect to the solution tank (101).

3. A carbon dioxide efficient screening device according to claim 1, characterized in that: The liquid inlet pipe (103) and the liquid discharge pipe (104) are symmetrically distributed, and valves are provided on the liquid inlet pipe (103) and the liquid discharge pipe (104).

4. A carbon dioxide efficient screening device according to claim 1, characterized in that: An air pump (105) is provided at the side end of the solution tank (101), and a first air inlet pipe and a second air inlet pipe are provided on the air pump (105). The second air inlet pipe extends into the solution tank (101) and is connected to the meander pipe (107).

5. The carbon dioxide efficient screening device according to claim 1, characterized in that: An air outlet pipe (302) communicating with the filter box (301) is installed at the upper end of the filter box (301).

6. A carbon dioxide efficient screening device according to claim 1, characterized in that: A threaded hole is provided at the side end of the filter box (301), and a mounting hole corresponding to the threaded hole is provided on the cover plate (303), and bolts are installed in the mounting hole and the inner thread of the threaded hole.

7. A carbon dioxide efficient screening device according to claim 1, characterized in that: A driving device (106) is provided at the lower end of the solution tank (101), and the main shaft of the driving device (106) is connected to the axis of the rotating shaft (108).

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