Adsorption tower

Abstract

The utility model discloses an adsorption tower which comprises a cylinder body and a cylinder cover which are connected with each other in a sealing manner, and a molecular sieve bracket is arranged in the cylinder body; the barrel body is integrally cylindrical, the top of the barrel body is open, the bottom of the barrel body is arc-shaped, the barrel cover is integrally arc-shaped, and the bottom of the barrel cover is open; an air inlet pipe is arranged at the lower end of the side edge of the barrel; an air outlet pipe is communicated with the center of the top of the barrel cover; an upper punching plate is further arranged at the lower end of the cylinder cover; the air inlet pipe penetrates through the side wall of the barrel, and the outer wall of the air inlet pipe is in sealed connection with the side wall of the barrel; the gas inlet pipe is communicated with the bent pipe in the cylinder body, and the tail end of the bent pipe is bent downwards and is communicated with a gas distributor; when the filler needs to be replaced, the barrel cover is opened, and then the molecular sieve barrels filled with the filler are sequentially taken out, so that the filler is very convenient to replace and very thorough to replace, and no filler is left in the adsorption tower.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen making machine equipment field, concretely is adsorption tower. BACKGROUND

[0002] The nitrogen making machine is the equipment that adopts high -quality carbon molecular sieve as adsorbent, utilizes pressure swing adsorption principle to obtain nitrogen, and the principle of nitrogen making machine is under certain pressure, utilizes the difference of oxygen, nitrogen in air on the adsorption amount of carbon molecular sieve surface, that is, the diffusion adsorption of carbon molecular sieve to oxygen is much larger than nitrogen.

[0003] For example, the patent with the authorized announcement number CN221296146U discloses a kind of high-efficiency nitrogen making machine adsorption tower, including adsorption tower barrel, the adsorption tower barrel is cylindrical structure;The top and bottom of the adsorption tower barrel are respectively connected with the upper head and lower head of oval structure;The upper head top is equipped with nitrogen gas outlet connector pipe, and the lower head bottom is equipped with compressed air inlet connector pipe;The lower side of the side surface of the adsorption tower barrel is equipped with discharge port, and the bottom of the adsorption tower barrel is also equipped with support leg.

[0004] The above-mentioned patent has the characteristics such as simple structure, high nitrogen gas production efficiency, low production cost and convenient movement, and can be widely used in the production technology field of nitrogen making machine adsorption tower;But the shortcoming of the above-mentioned patent is that when replacing the filler (molecular sieve), it needs to be opened to replace the discharge port, and part of the residual filler is difficult to discharge from the discharge port.

[0005] Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. UTILITY MODEL CONTENT

[0006] The utility model aims at providing adsorption tower to solve the problems raised in the above background.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The application discloses an adsorption tower, which comprises a barrel body and a barrel cover which are connected with each other in a sealed mode, a molecular sieve support is arranged in the barrel body, the barrel body is in a whole cylindrical shape and is provided with an opening at the top, the bottom of the barrel body is in a circular arc shape, the barrel cover is in a whole circular arc shape and is provided with an opening at the bottom, a gas inlet pipe is arranged at the lower end of the side of the barrel body, a gas outlet pipe is arranged in communication with the center of the top of the barrel cover, a punching plate is further arranged at the lower end of the barrel cover, the gas inlet pipe penetrates through the side wall of the barrel body and is arranged in a sealed mode between the outer wall of the gas inlet pipe and the side wall of the barrel body, the gas inlet pipe is arranged in communication with a bent pipe in the barrel body, the end of the bent pipe is bent downward and is arranged in communication with a gas distributor, the gas distributor comprises a center pipe, a pipe support and a lower punching plate, the pipe support is in a whole cross shape, the center pipe is vertically and fixedly installed at the center position of the pipe support, the top of the center pipe is arranged in communication with the end of the bent pipe, the lower end of the center pipe penetrates through the lower punching plate and extends below the lower punching plate, a plurality of through holes are uniformly formed in the lower punching plate, the molecular sieve support is arranged above the gas inlet pipe and is provided with a molecular sieve barrel, the molecular sieve support comprises a circular bottom plate, a center column is arranged at the top center of the circular bottom plate, a plurality of separation plates are arranged at the outer side of the center column in a circular array mode, barrel mounting grooves for placing the molecular sieve barrels are formed between adjacent separation plates, the horizontal section of the barrel mounting groove is in a fan ring shape, the horizontal section of the molecular sieve barrel is also in a fan ring shape, and a through hole is formed in the bottom of the molecular sieve barrel for air passing.

[0009] Further, the top edge of the barrel body is provided with a connecting flange, the bottom edge of the barrel cover is provided with a connecting flange, the barrel body and the barrel cover are connected in a sealed mode through the two connecting flanges, the two connecting flanges are fixedly connected through bolts, and a sealing gasket is further arranged between the two connecting flanges to ensure the sealing of the connecting position of the barrel body and the barrel cover.

[0010] Further, the bottom of the barrel body is further fixedly provided with a supporting leg.

[0011] Further, the top of the molecular sieve barrel is provided with an opening, and a handle is further arranged at the top opening of the molecular sieve barrel.

[0012] Further, the top of the barrel cover is further fixedly provided with a lifting lug.

[0013] Further, the edge of the circular bottom plate is arranged in a sealed mode between the inner wall of the barrel body, and a fan ring-shaped through groove is formed in the position of the barrel mounting groove of the circular bottom plate.

[0014] Compared with the prior art, the application has the following beneficial effects:

[0015] When the filler needs to be replaced, the barrel cover is opened, and then the molecular sieve barrels filled with the filler are taken out in sequence, so that the replacement of the filler is very convenient, and the replacement of the filler is very complete, and no filler is left in the adsorption tower. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic diagram of the adsorption tower.

[0017] Figure 2 is a front view of the adsorption tower.

[0018] Figure 3 is a top view of the adsorption tower.

[0019] Figure 4 is Figure 2 is a sectional view in the direction of A-A.

[0020] Figure 5 is Figure 2 is a sectional view in the direction of B-B.

[0021] Figure 6 is a structural schematic diagram of the internal structure of the adsorption tower. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-6 , the adsorption tower comprises a barrel 1 and a barrel cover 2 which are connected to each other in a sealed manner, a molecular sieve support 5 is arranged inside the barrel 1;

[0024] The barrel 1 is in a cylindrical shape as a whole and is provided with an opening at the top, and the bottom of the barrel 1 is provided in an arc shape, the barrel cover 2 is in an arc shape as a whole and is provided with an opening at the bottom, and the bottom of the barrel 1 is further fixedly provided with a supporting leg 101;

[0025] In the present scheme, the top edge of the barrel 1 is provided with a connecting flange, the bottom edge of the barrel cover 2 is provided with a connecting flange, the barrel 1 and the barrel cover 2 are connected to each other in a sealed manner through the two connecting flanges, the two connecting flanges are fixedly connected through bolts, and a sealing gasket is further arranged between the two connecting flanges to ensure the sealing of the connecting position of the barrel 1 and the barrel cover 2;

[0026] The lower end of the side of the barrel body 1 is provided with an air inlet pipe 3, and the top center of the barrel cover 2 is provided with an air outlet pipe 201 in communication; the lower end of the barrel cover 2 is also provided with an upper punching plate 203;

[0027] The air inlet pipe 3 penetrates the side wall of the barrel body 1, and the outer wall of the air inlet pipe 3 is sealingly connected with the side wall of the barrel body 1; the air inlet pipe 3 is in communication with the elbow pipe 301 inside the barrel body 1, and the end of the elbow pipe 301 is downwardly bent to communicate with a gas distributor 4,

[0028] The gas distributor 4 includes a center pipe 401, a pipe support 402, and a lower punching plate 403; the pipe support 402 is in the shape of a cross as a whole, the center pipe 401 is vertically fixedly installed at the center position of the pipe support 402, the top of the center pipe 401 is in communication with the end of the elbow pipe 301, the lower end of the center pipe 401 penetrates the lower punching plate 403 and extends below the lower punching plate 403, and a plurality of through holes are uniformly formed in the lower punching plate 403;

[0029] The gas introduced from the air inlet pipe 3 passes through the elbow pipe 301 and then enters the center pipe 401, and is then transported to below the lower punching plate 403, and is uniformly distributed above the lower punching plate 403 through the through holes of the lower punching plate 403, so that the gas introduced from the air inlet pipe 3 is uniformly distributed in the barrel body 1 through the processing of the gas distributor 4;

[0030] The molecular sieve support 5 is located above the air inlet pipe 3, and the molecular sieve support 5 is provided with a molecular sieve barrel 6 installed therein, and the molecular sieve barrel 6 is used for containing molecular sieves (i.e. fillers);

[0031] The molecular sieve support 5 includes a circular bottom plate 501, the top center of the circular bottom plate 501 is provided with a center column 502, the outer side of the center column 502 is provided with a plurality of separation plates 503 arranged in a circular array; the barrel installation groove 504 for placing the molecular sieve barrel 6 is formed between adjacent separation plates 503; the horizontal section of the barrel installation groove 504 is in the shape of a fan ring, and correspondingly, the horizontal section of the molecular sieve barrel 6 is also in the shape of a fan ring;

[0032] The edge of the circular bottom plate 501 is sealingly arranged between the inner wall of the barrel body 1, and the circular bottom plate 501 is provided with a fan ring-shaped through groove 504 at the position corresponding to the barrel installation groove 504, and the area of the through groove 504 is smaller than the bottom area of the molecular sieve barrel 6 for preventing the molecular sieve barrel 6 from falling from the through groove 504;

[0033] In the present scheme, the bottom of the molecular sieve barrel 6 is provided with a through hole for air to pass through;

[0034] At the same time, the top of the molecular sieve barrel 6 is provided with an opening, and the top opening of the molecular sieve barrel 6 is further provided with a handle 601, and the handle is used for conveniently lifting the molecular sieve barrel 6 by means of a hook.

[0035] In the scheme, in order to facilitate the removal of the cylinder cover 2, the top of the cylinder cover 2 is also fixedly installed with a lifting lug 202;

[0036] When the utility model is put into use, external air is introduced from the air inlet pipe 3, is uniformly distributed after passing through the gas distributor 4, flows to the lower part of the branch sieve support 5, then enters between the molecular sieve through the through hole at the bottom of the molecular sieve barrel 6, and is finally discharged from the air outlet pipe 201 at the top of the cylinder cover 2 after being adsorbed by the molecular sieve.

[0037] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should also be explained that, unless otherwise explicitly specified and limited, the terms "arranged", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. An adsorption column comprising a cylinder and a cylinder cover which are connected to each other in a sealed manner, characterized in that The cylinder is internally provided with a molecular sieve support; the cylinder is in the shape of a whole cylinder and is provided with an open top, while the bottom of the cylinder is provided in the shape of a circular arc, the cylinder cover is in the shape of a whole circular arc and is provided with an open bottom; the lower end of the side edge of the cylinder is provided with an air inlet pipe, and the top center of the cylinder cover is provided with an air outlet pipe in communication; the lower end of the cylinder cover is further provided with an upper punch plate; the air inlet pipe penetrates the side wall of the cylinder, and the outer wall of the air inlet pipe is sealingly connected with the side wall of the cylinder; the air inlet pipe is in communication with the elbow pipe inside the cylinder, and the distal end of the elbow pipe is downwardly bent to communicate with a gas distributor, the gas distributor comprises a center pipe, a pipe support and a lower punch plate, the pipe support is in the shape of a whole cross, the center pipe is vertically fixedly installed at the center position of the pipe support, the top of the center pipe is in communication with the distal end of the elbow pipe, the lower end of the center pipe penetrates the lower punch plate and extends below the lower punch plate, and a plurality of through holes are uniformly formed in the lower punch plate; the molecular sieve support is located above the air inlet pipe, and a molecular sieve barrel is installed in the molecular sieve support; the molecular sieve support comprises a circular bottom plate, a center column is provided at the top center of the circular bottom plate, and a plurality of separation plates arranged in the shape of a circular array are provided on the outside of the center column; barrel mounting grooves for placing the molecular sieve barrels are formed between adjacent separation plates; the horizontal cross section of the barrel mounting groove is in the shape of a fan ring, and the horizontal cross section of the molecular sieve barrel is also in the shape of a fan ring; the bottom of the molecular sieve barrel is provided with a through hole for air to pass through.

2. The adsorption column according to claim 1, characterized in that The top edge of the cylinder is provided with a connecting flange, the bottom edge of the cylinder cover is provided with a connecting flange, the cylinder and the cylinder cover are sealingly connected through the two connecting flanges, the two connecting flanges are fixedly connected through bolts, and a sealing gasket is further provided between the two connecting flanges to ensure the sealing of the connection between the cylinder and the cylinder cover.

3. The adsorption column of claim 1, wherein, The bottom of the cylinder is further fixedly installed with a support foot.

4. The adsorption column of claim 1, wherein, The top of the molecular sieve barrel is provided with an open top, and a handle is further provided at the open top of the molecular sieve barrel.

5. The adsorption column of claim 1, wherein, The top of the cylinder cover is further fixedly installed with an eye.

6. The adsorption column of claim 1, wherein, The edge of the circular bottom plate is sealingly provided between the inner wall of the cylinder, and a fan ring-shaped through groove is formed in the position of the barrel mounting groove of the circular bottom plate.

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