Carbon dioxide rectification device

Abstract

The utility model relates to the technical field of carbon dioxide rectification, and discloses a carbon dioxide rectification device which is characterized in that an input pipe is arranged at one end of a pressure tank, a first purification mechanism is arranged on one side of the pressure tank, a backflow mechanism is arranged on one side of the first purification mechanism, and a cleaning mechanism is arranged in the backflow mechanism; the second purification mechanism is arranged on one side of the backflow mechanism, the first connecting pipe is fixedly connected to one side of the pressure tank, the first pump body is fixedly connected to one side of the first connecting pipe, the first conveying pipe is fixedly connected to one end of the first pump body, and the first rectifying tower is fixedly connected to one side of the first conveying pipe. The motor drives the lead screw to rotate, the lead screw drives the moving block to move, the moving block slides through the round rod, and then the moving block drives the cleaning brush to move back and forth to brush the interior of the filter frame, so that the filter frame is prevented from being blocked by impurities, normal operation of the rectifying tower is protected, and the production efficiency of the rectifying tower is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon dioxide distillation, in particular to a carbon dioxide distillation device. Background Art

[0002] Carbon dioxide, a carbon oxide, is a colorless and tasteless or 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 terms of physical properties, the melting point of carbon dioxide is -56.6°C, the boiling point is -78.5°C, the density is greater than the density of air (under standard conditions), and it is soluble in water. In terms of chemical properties, carbon dioxide is chemically inactive, has high thermal stability, cannot burn, and usually does not support combustion. It is an acidic oxide and has the general properties of acidic oxides. Because it reacts with water to produce carbonic acid, it is the anhydride of carbonic acid.

[0003] After the carbon dioxide is distilled, cooled and separated, the separated liquid flows back into the distillation tower. The impurities in the liquid are not filtered, so the impurities flow back into the distillation tower. The impurities accumulate in the distillation tower for a long time, causing blockage inside the distillation tower, affecting the normal operation of the distillation tower, thereby reducing the production efficiency of the distillation tower. Utility Model Content

[0004] The utility model aims to provide a carbon dioxide distillation device, which drives a lead screw to rotate through a motor, and the lead screw drives a moving block to move, and the moving block slides through a round rod, and the moving block drives a cleaning brush to move back and forth to brush the inside of a filter frame, so that the filter frame is prevented from being blocked by impurities, and the normal operation of the distillation tower is ensured, thereby improving the production efficiency of the distillation tower.

[0005] The technical solution adopted by the utility model is implemented as follows: a carbon dioxide distillation device, comprising: a pressure tank, a first purification mechanism, a reflux mechanism, a cleaning mechanism, and a second purification mechanism, wherein an input pipe is arranged at one end of the pressure tank; the first purification mechanism is arranged at one side of the pressure tank, and the first purification mechanism performs distillation and purification on the carbon dioxide transported by the pressure tank; the reflux mechanism is arranged at one side of the first purification mechanism, and the reflux mechanism separates and refluxes the carbon dioxide distilled and purified by the first purification mechanism; the cleaning mechanism is arranged inside the reflux mechanism, and the cleaning mechanism cleans impurities in the liquid separated by the reflux mechanism; the second purification mechanism is arranged at one side of the reflux mechanism, and the second purification mechanism performs distillation and purification on the carbon dioxide separated by the reflux mechanism again;

[0006] The first purification mechanism includes a first distillation tower, a first connecting pipe, a first pump body, a first conveying pipe and a first slag discharge pipe, wherein the first connecting pipe is fixedly connected to one side of the pressure tank, the first pump body is fixedly connected to one side of the first connecting pipe, the first conveying pipe is fixedly connected to one end of the first pump body, the first distillation tower is fixedly connected to one side of the first conveying pipe, and the first slag discharge pipe is fixedly connected to one end of the first distillation tower;

[0007] The reflux mechanism includes a second delivery pipe, a condenser, a reflux box, a third connecting pipe, a second pump body, a third delivery pipe and a first output pipe, wherein the second delivery pipe is fixedly connected to one end of the first distillation tower, the condenser is fixedly connected to one end of the second delivery pipe, the reflux box is fixedly connected to one end of the condenser, the third connecting pipe is fixedly connected to one side of the reflux box, the second pump body is fixedly connected to one side of the third connecting pipe, the third delivery pipe is fixedly connected to one end of the second pump body, and the first output pipe is fixedly connected to one end of the condenser;

[0008] The cleaning mechanism comprises a filter frame, a motor, a screw rod, a round rod, a moving block, a cavity, a cleaning brush and a handle, wherein the cavity is opened inside the reflux box, the filter frame is slidably connected to the upper cavity of the reflux box, the motor is fixedly connected to one end of the reflux box, the screw rod is fixedly connected to one end of the motor, the round rod is fixedly connected to the upper cavity of the reflux box, the moving block is slidably connected to the outer circumferential surface of the round rod, the cleaning brush is fixedly connected to the bottom end of the moving block, and the handle is fixedly connected to one end of the filter frame;

[0009] The second purification mechanism includes a second distillation tower, a butt joint, a second output pipe and a second slag discharge pipe, the butt joint is fixedly connected to one side of the condenser, the second distillation tower is fixedly connected to one side of the butt joint, the second output pipe is fixedly connected to one side of the second distillation tower, and the second slag discharge pipe is fixedly connected to one end of the second distillation tower.

[0010] Furthermore, the third delivery pipe is fixedly connected to the first distillation tower.

[0011] Furthermore, the screw rod is rotatably connected to the reflux box, the moving block is rotatably connected to the screw rod, and the first output pipe is connected to the interior of the upper cavity of the reflux box.

[0012] The utility model has the following beneficial effects:

[0013] The motor drives the screw to rotate, the screw will drive the moving block to move, the moving block will slide through the round rod, and the moving block will drive the cleaning brush to move back and forth to brush the inside of the filter frame, which will prevent impurities from clogging the filter frame and ensure the normal operation of the distillation tower, thereby improving the production efficiency of the distillation tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the relevant positions of the motor in the utility model;

[0016] Figure 3 This is a schematic diagram of the relevant positions of the first output tube in the utility model;

[0017] Figure 4 It is a structural schematic diagram of the screw rod in the utility model;

[0018] Figure 5 It is a structural schematic diagram of the filter frame in the utility model.

[0019] In the figure: 1, pressure tank; 2, input pipe; 3, first purification mechanism; 4, reflux mechanism; 5, cleaning mechanism; 6, second purification mechanism;

[0020] 301, first distillation tower; 302, first connecting pipe; 303, first pump body; 304, first conveying pipe; 305, first slag discharge pipe;

[0021] 401, second delivery pipe; 402, condenser; 403, reflux box; 404, third connecting pipe; 405, second pump body; 406, third delivery pipe; 407, first output pipe;

[0022] 501, filter frame; 502, motor; 503, screw rod; 504, round rod; 505, moving block; 506, cavity; 507, cleaning brush; 508, handle;

[0023] 601, second distillation tower; 602, butt joint; 603, second output pipe; 604, second slag discharge pipe. DETAILED DESCRIPTION

[0024] 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.

[0025] like Figure 1-5 As shown, a carbon dioxide distillation device provided in this embodiment includes a pressure tank 1, an input pipe 2, a first purification mechanism 3, a reflux mechanism 4, a cleaning mechanism 5 and a second purification mechanism 6;

[0026] An input pipe 2 is provided at one end of the pressure tank 1;

[0027] The first purification mechanism 3 is arranged on one side of the pressure tank 1, and the first purification mechanism 3 performs distillation and purification on the carbon dioxide transported by the pressure tank 1;

[0028] The first purification mechanism 3 includes a first distillation tower 301, a first connecting pipe 302, a first pump body 303, a first delivery pipe 304 and a first slag discharge pipe 305, wherein the first connecting pipe 302 is fixedly connected to one side of the pressure tank 1, the first pump body 303 is fixedly connected to one side of the first connecting pipe 302, the first delivery pipe 304 is fixedly connected to one end of the first pump body 303, the first distillation tower 301 is fixedly connected to one side of the first delivery pipe 304, and the first slag discharge pipe 305 is fixedly connected to one end of the first distillation tower 301;

[0029] The carbon dioxide is transported into the pressure tank 1 through the input pipe 2 for pressurized liquefaction. The first pump body 303 extracts the carbon dioxide in the pressure tank 1 through the first connecting pipe 302, and then transports the carbon dioxide into the first distillation tower 301 through the first delivery pipe 304. The first distillation tower 301 distills the carbon dioxide, and the distilled carbon dioxide is transported into the reflux mechanism 4. The waste liquid generated during the distillation and purification process in the first distillation tower 301 is discharged through the first slag discharge pipe 305 and then processed.

[0030] The reflux mechanism 4 is arranged on one side of the first purification mechanism 3, and the reflux mechanism 4 separates and refluxes the carbon dioxide after distillation and purification by the first purification mechanism 3;

[0031] The reflux mechanism 4 includes a second delivery pipe 401, a condenser 402, a reflux box 403, a third connecting pipe 404, a second pump body 405, a third delivery pipe 406 and a first output pipe 407. The second delivery pipe 401 is fixedly connected to one end of the first distillation tower 301, the condenser 402 is fixedly connected to one end of the second delivery pipe 401, the reflux box 403 is fixedly connected to one end of the condenser 402, the third connecting pipe 404 is fixedly connected to one side of the reflux box 403, the second pump body 405 is fixedly connected to one side of the third connecting pipe 404, the third delivery pipe 406 is fixedly connected to one end of the second pump body 405, and the first output pipe 407 is fixedly connected to one end of the condenser 402;

[0032] The third delivery pipe 406 is fixedly connected to the first distillation tower 301 .

[0033] The carbon dioxide distilled and purified in the first distillation tower 301 is transported to the condenser 402 through the second delivery pipe 401 for cooling and separation, and the carbon dioxide after cooling, separation and purification is transported to the second purification mechanism 6. In addition, the separated water, liquid impurities and solids after purification by the condenser 402 are transported to the reflux box 403 through the first output pipe 407. The second pump body 405 extracts the liquid in the reflux box 403 through the third connecting pipe 404, and then transports the liquid into the first distillation tower 301 through the third delivery pipe 406, thereby completing the reflux;

[0034] The cleaning mechanism 5 is arranged inside the reflux mechanism 4, and the cleaning mechanism 5 cleans the impurities in the liquid separated by the reflux mechanism 4;

[0035] The cleaning mechanism 5 includes a filter frame 501, a motor 502, a screw rod 503, a round rod 504, a moving block 505, a cavity 506, a cleaning brush 507 and a handle 508. The cavity 506 is provided inside the reflux box 403. The filter frame 501 is slidably connected to the cavity 506 on the reflux box 403. The motor 502 is fixedly connected to one end of the reflux box 403. The screw rod 503 is fixedly connected to one end of the motor 502. The round rod 504 is fixedly connected to the cavity 506 on the reflux box 403. The moving block 505 is slidably connected to the outer cylindrical surface of the round rod 504. The cleaning brush 507 is fixedly connected to the bottom end of the moving block 505. The handle 508 is fixedly connected to one end of the filter frame 501.

[0036] The screw rod 503 is rotatably connected to the reflux box 403 , the moving block 505 is rotatably connected to the screw rod 503 , and the first output pipe 407 is connected to the interior of the upper cavity 506 of the reflux box 403 .

[0037] The water, liquid impurities and solids separated from the condenser 402 will be transported into the cavity 506 of the reflux box 405 and fall into the filter frame 501, and then the impurities inside the liquid will be filtered through the filter frame 501, the motor 502 will drive the screw rod 503 to rotate, the screw rod 503 will drive the moving block 505 to move, the moving block 505 will slide through the round rod 504, and the moving block 505 will drive the cleaning brush 507 to move back and forth to brush the inside of the filter frame 501 to prevent impurities from clogging the filter frame 501. The filter frame 501 can be pulled out of the reflux box 405 by the handle 508, so as to facilitate the removal of impurities accumulated in the filter frame 501.

[0038] The second purification mechanism 6 is arranged on one side of the reflux mechanism 4 , and the second purification mechanism 6 performs distillation and purification again on the carbon dioxide separated by the reflux mechanism 4 .

[0039] The second purification mechanism 6 includes a second distillation tower 601, a docking tube 602, a second output pipe 603 and a second slag discharge pipe 604. The docking tube 602 is fixedly connected to one side of the condenser 402, the second distillation tower 601 is fixedly connected to one side of the docking tube 602, the second output pipe 603 is fixedly connected to one side of the second distillation tower 601, and the second slag discharge pipe 604 is fixedly connected to one end of the second distillation tower 601.

[0040] The purified carbon dioxide separated from the condenser 402 is transported into the second distillation tower 601 through the docking pipe 602. The second distillation tower 601 distills the purified carbon dioxide again. The purified carbon dioxide after distillation is transported out through the second output pipe 603. The waste liquid generated during the distillation and purification process in the second distillation tower 601 is discharged through the second slag discharge pipe 604 and then processed.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A carbon dioxide distillation device, comprising a pressure tank (1), a first purification mechanism (3), a reflux mechanism (4), a cleaning mechanism (5), and a second purification mechanism (6), characterized in that: An input pipe (2) is provided at one end of the pressure tank (1); the first purification mechanism (3) is arranged at one side of the pressure tank (1), and the first purification mechanism (3) performs distillation and purification on the carbon dioxide transported by the pressure tank (1); the reflux mechanism (4) is arranged at one side of the first purification mechanism (3), and the reflux mechanism (4) separates and refluxes the carbon dioxide after distillation and purification by the first purification mechanism (3); the cleaning mechanism (5) is arranged inside the reflux mechanism (4), and the cleaning mechanism (5) cleans impurities in the liquid separated by the reflux mechanism (4); the second purification mechanism (6) is arranged at one side of the reflux mechanism (4), and the second purification mechanism (6) performs distillation and purification again on the carbon dioxide separated by the reflux mechanism (4); The first purification mechanism (3) comprises a first distillation tower (301), a first connecting pipe (302), a first pump body (303), a first conveying pipe (304) and a first slag discharge pipe (305), wherein the first connecting pipe (302) is fixedly connected to one side of the pressure tank (1), the first pump body (303) is fixedly connected to one side of the first connecting pipe (302), the first conveying pipe (304) is fixedly connected to one end of the first pump body (303), the first distillation tower (301) is fixedly connected to one side of the first conveying pipe (304), and the first slag discharge pipe (305) is fixedly connected to one end of the first distillation tower (301); The reflux mechanism (4) comprises a second delivery pipe (401), a condenser (402), a reflux box (403), a third connecting pipe (404), a second pump body (405), a third delivery pipe (406) and a first output pipe (407), wherein the second delivery pipe (401) is fixedly connected to one end of the first distillation tower (301), the condenser (402) is fixedly connected to one end of the second delivery pipe (401), the reflux box (403) is fixedly connected to one end of the condenser (402), the third connecting pipe (404) is fixedly connected to one side of the reflux box (403), the second pump body (405) is fixedly connected to one side of the third connecting pipe (404), the third delivery pipe (406) is fixedly connected to one end of the second pump body (405), and the first output pipe (407) is fixedly connected to one end of the condenser (402); The cleaning mechanism (5) comprises a filter frame (501), a motor (502), a screw rod (503), a round rod (504), a moving block (505), a cavity (506), a cleaning brush (507) and a handle (508); the cavity (506) is arranged inside the reflux box (403); the filter frame (501) is slidably connected inside the cavity (506) on the reflux box (403); the motor (502) is fixedly connected to one end of the reflux box (403); the screw rod (503) is fixedly connected to one end of the motor (502); the round rod (504) is fixedly connected to the cavity (506) on the reflux box (403); the moving block (505) is slidably connected to the outer circumferential surface of the round rod (504); the cleaning brush (507) is fixedly connected to the bottom end of the moving block (505); and the handle (508) is fixedly connected to one end of the filter frame (501); The second purification mechanism (6) comprises a second distillation tower (601), a butt joint (602), a second output pipe (603) and a second slag discharge pipe (604), wherein the butt joint (602) is fixedly connected to one side of the condenser (402), the second distillation tower (601) is fixedly connected to one side of the butt joint (602), the second output pipe (603) is fixedly connected to one side of the second distillation tower (601), and the second slag discharge pipe (604) is fixedly connected to one end of the second distillation tower (601).

2. A carbon dioxide distillation device according to claim 1, characterized in that: The third delivery pipe (406) is fixedly connected to the first distillation tower (301).

3. A carbon dioxide distillation device according to claim 1, characterized in that: The screw rod (503) is rotatably connected to the reflux box (403), the moving block (505) is rotatably connected to the screw rod (503), and the first output pipe (407) is connected to the interior of the upper cavity (506) of the reflux box (403).

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