Rectification and purification device for high-purity carbon dioxide

Abstract

The utility model provides a rectifying and purifying device for high-purity carbon dioxide, which relates to the technical field of carbon dioxide production equipment, and comprises a rectifying tower body, the inner wall of the rectifying tower body is provided with fixed insertion holes, and a plurality of tower plate structures are arranged in the rectifying tower body. The tower plate structures are arranged in the height direction of the rectifying tower body, a connecting assembly is arranged between every two adjacent tower plate structures, the connecting assemblies are used for connecting every two adjacent tower plate structures, and the top side of the uppermost tower plate structure is connected with a connecting rod; by arranging the fixing inserting holes, the connecting rods, the connecting assemblies and the fixing assemblies, the operation of mounting and dismounting the tower plate structure is simple and convenient, the two adjacent tower plate structures can be conveniently separated, the operation of dismounting and mounting the tower plate structure is simple and convenient, the efficiency of maintaining or replacing the tower plate structure is high, and the practicability is high. And the production progress and the economic benefits of enterprises are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon dioxide production equipment technical field, specifically a kind of rectification purification device of high-purity carbon dioxide. BACKGROUND

[0002] In industrial production, the demand of high-purity carbon dioxide is increasing, which is widely used in food and beverage, electronic industry, medical treatment and many other fields. As a key process to obtain high-purity carbon dioxide, the performance of related devices directly affects the product quality and production efficiency.

[0003] The existing high-purity carbon dioxide rectification purification device is generally a rectification tower, which usually adopts a traditional tray structure. Multiple tray structures are distributed inside the rectification tower from top to bottom. During long-term operation, the trays are easily affected by factors such as material corrosion and impurity blockage, resulting in a decrease in separation efficiency. However, the trays of these traditional devices are often closely connected to the tower body, making the disassembly process extremely tedious. Related components of the tower body need to be removed step by step to access the trays that need to be repaired or replaced and to perform repair or replacement operations on the trays. Moreover, the tray structure is usually installed inside the rectification tower through multiple bolts, which need to be removed one by one to disassemble the tray structure. This method can cause the device to be unable to operate for a long time, seriously affecting the production schedule and reducing the economic benefits of enterprises. Therefore, a high-purity carbon dioxide rectification purification device is needed to solve the above technical problems. SUMMARY

[0004] The purpose of the present utility model is to provide a high-purity carbon dioxide rectification purification device to solve the problems in the prior art.

[0005] To achieve the above purpose, the embodiment of the present utility model provides a high-purity carbon dioxide rectification purification device, which includes:

[0006] A rectification tower body;

[0007] A fixed jack is provided inside the rectification tower body;

[0008] Multiple tray structures are arranged inside the rectification tower body. The tray structures are arranged along the height direction of the rectification tower body. A connecting component is arranged between two adjacent tray structures. The connecting component is used to connect the two adjacent tray structures.

[0009] A connecting rod is connected to the uppermost tray structure. The end of the connecting rod away from the tray structure is connected to a fixed frame.

[0010] A fixed component is arranged on the fixed frame. The fixed component is used to connect the fixed frame and the rectification tower body.

[0011] Preferably, the fixing assembly comprises a support guide rod, a fixing spring, a push plate and a fixing plug rod, the support guide rod is installed in the inner part of the fixing frame, the fixing spring is sleeved on the outer surface of the support guide rod, one end of the fixing spring is connected with the fixing frame, the push plate is slidingly connected on the outer surface of the support guide rod, and the push plate is connected with the end of the fixing spring, the fixing plug rod is installed on the side of the push plate away from the fixing spring, the fixing plug rod penetrates through the fixing frame and is slidingly connected with the fixing frame, and the fixing plug rod is matched with the fixing plug hole in size.

[0012] Preferably, the connecting assembly comprises positioning holes, a telescopic structure and connecting threaded rods, the number of the positioning holes is two, the two positioning holes are symmetrically arranged on the tray plate structure, the telescopic structure is arranged between adjacent two tray plate structures, the telescopic structure is used for adjusting the distance between the adjacent two tray plate structures, the number of the connecting threaded rods is two, the two connecting threaded rods are respectively connected with the two ends of the telescopic structure, and the outer surfaces of the two connecting threaded rods are all threadedly connected with connecting nuts.

[0013] Preferably, the telescopic structure comprises a sleeve, a fixing bolt, an extension rod, a limiting block and fixing threaded holes, the fixing bolt is threadedly connected on the sleeve, the extension rod is located in the inner part of the sleeve and is slidingly connected with the sleeve, the limiting block is connected with the end of the extension rod, and the number of the fixing threaded holes is multiple, and the multiple fixing threaded holes are uniformly arranged on the outer surface of the extension rod.

[0014] Preferably, the rectifying tower body comprises a support, a tower body and a sealing end cover, the tower body is installed on the support, and the sealing end cover is connected with the top end of the tower body through flanges and bolts.

[0015] Preferably, the rectifying tower body is connected with a reflux assembly, the reflux assembly comprises a regeneration tower, a water pump, a reflux pipe and a liquid inlet pipe, the regeneration tower is connected with the bottom end of the rectifying tower body in communication through a pipeline, the water pump is connected with one connecting port of the regeneration tower through a pipeline, the reflux pipe is connected with the water outlet of the water pump, the liquid inlet pipe is installed on the sealing end cover, and the liquid inlet pipe is connected with the end of the reflux pipe away from the water pump.

[0016] Preferably, the rectifying tower body is connected with a drying assembly, the drying assembly comprises a drying tower, a drying bed, a fan one, an air suction pipe and an air exhaust pipe, the drying bed is arranged in the inner part of the drying tower, the fan one is connected with the inner part of the drying tower in communication through a pipeline, the fan one is connected with the air suction pipe, the air exhaust pipe is installed on the sealing end cover, and the air exhaust pipe is connected with the end of the air suction pipe away from the fan one.

[0017] Preferably, the inner part of the tower body is provided with a supporting ring, and the supporting ring is matched with the tray plate structure located at the lowermost position.

[0018] Preferably, the tower body is connected with an air inlet pipe, and the air inlet pipe is connected with a fan two.

[0019] Compared with the prior art, the utility model has the advantages of:

[0020] 1、Through set up fixed jackplug, connecting rod, connecting assembly and fixed assembly not only makes the operation of installation and disassembly tower plate structure is more simple, and convenient separation adjacent two tower plate structure, makes the operation of disassembly tower plate structure is more simple, further makes the efficiency of repair or replacement tower plate structure is higher, guarantees the progress of production and enterprise's economic benefits.

[0021] 2、Through set up telescopic structure can according to the height of rectifying tower body adjust adjacent two tower plate structure between to the appropriate spacing, makes tower plate structure can better handle operation to carbon dioxide gas, makes the processing effect of carbon dioxide gas is more good. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structural schematic diagram of the utility model;

[0023] Figure 2 It is the internal structure schematic diagram of the rectifying tower body of the utility model;

[0024] Figure 3 It is the cross section structure schematic diagram of the rectifying tower body of the utility model;

[0025] Figure 4 It is the structure schematic diagram of the tower plate structure of the utility model;

[0026] Figure 5 It is the structure schematic diagram of the utility model Figure 4 It is the enlarged structure schematic diagram of A place in the utility model;

[0027] Figure 6 It is the structure schematic diagram of the telescopic structure of the utility model;

[0028] Figure 7 It is the top end surface cross section structure schematic diagram of the rectifying tower body of the utility model;

[0029] Figure 8 It is the cross section structure schematic diagram of the drying tower of the utility model.

[0030] In the figure: 10, rectifying tower body; 101, fixed socket; 11, support; 12, tower body; 13, sealing end cover; 14, support ring; 15, air inlet pipe; 16, fan two; 20, tray structure; 201, positioning hole; 21, telescopic structure; 211, sleeve; 212, fixed bolt; 213, extension rod; 214, limiting block; 215, fixed threaded hole; 22, connecting threaded rod; 23, connecting nut; 30, connecting rod; 31, fixed frame; 32, support guide rod; 33, fixed spring; 34, push plate; 35, fixed insertion rod; 40, regeneration tower; 41, water pump; 42, backflow pipe; 43, liquid inlet pipe; 50, drying tower; 51, drying bed; 52, fan one; 53, air suction pipe; 54, exhaust pipe. DETAILED DESCRIPTION

[0031] The utility model will be further described below with reference to the drawings.

[0032] As Figures 1 to 8 shown, a kind of high-purity carbon dioxide rectification purification device, it includes rectifying tower body 10, fixed socket 101 is set in the inner wall of rectifying tower body 10, the inside of rectifying tower body 10 is provided with multiple tray structures 20, multiple tray structures 20 are along the height direction of rectifying tower body 10 and are provided, adjacent two tray structures 20 are all provided with connecting assembly, connecting assembly is used to connect adjacent two tray structures 20, the top side of the uppermost tray structure 20 is connected with connecting rod 30, the end of connecting rod 30 away from tray structure 20 is connected with fixed frame 31, fixed frame 31 is provided with fixed assembly, and fixed assembly is used to connect fixed frame 31 with rectifying tower body 10.

[0033] When installing tray structure 20 in the inside of rectifying tower body 10, first, adjacent two tray structures 20 are connected by multiple connecting assemblies, then multiple tray structures 20 are placed in the inside of rectifying tower body 10 from the top end of rectifying tower body 10 by connecting assembly, and fixed frame 31 is fixed by fixed assembly, at this time, the operation of installing tray structure 20 is completed.

[0034] Fixed assembly includes support guide rod 32 installed in the inside of fixed frame 31, fixed spring 33 is sleeved on the outer surface of support guide rod 32, push plate 34 connected with fixed spring 33 is slidably connected on the outer surface of support guide rod 32, the end of fixed spring 33 away from push plate 34 is connected with fixed frame 31, fixed insertion rod 35 is fixedly connected on the side of push plate 34 away from fixed spring 33, fixed insertion rod 35 penetrates fixed frame 31 and is slidably connected with fixed frame 31, and the size of fixed insertion rod 35 is adapted to fixed socket 101.

[0035] Before the tray structure 20 is put into the rectifying tower body 10, the fixed insertion rod 35 is first moved by the push plate 34 and is retracted into the inside of the fixed frame 31, at this time, the fixed spring 33 is in a compressed state, after the tray structure 20 is put into the rectifying tower body 10, the fixed insertion rod 35 is corresponded with the position of the fixed insertion hole 101, the fixed insertion rod 35 is inserted into the inside of the fixed insertion hole 101 under the reaction force of the fixed spring 33, at this time, the fixed frame 31 is fixed, thereby the installation operation of the tray structure 20 is completed.

[0036] It should be noted that the number of the fixed insertion hole 101 is at least two, and the number of the fixed assembly is at least two, through the cooperation of the multiple fixed assemblies and the fixed insertion hole 101, the tray structure 20 can be stably installed in the inside of the rectifying tower body 10.

[0037] The connecting assembly comprises two positioning through holes 201 opened on the tray structure 20 and the telescopic structure 21 arranged between the two tray structures 20, the telescopic structure 21 is used for adjusting the spacing between the adjacent two tray structures 20, both ends of the telescopic structure 21 are connected with the connecting threaded rod 22, the connecting threaded rod 22 passes through the inside of the positioning through hole 201, the outer surface of the two connecting threaded rods 22 are all threadedly connected with the connecting nut 23.

[0038] The telescopic structure 21 comprises the sleeve 211 with a hollow structure, the outer surface of the sleeve 211 is threadedly connected with the fixed bolt 212, the inside of the sleeve 211 is slidably connected with the extension rod 213, the end of the extension rod 213 is fixedly connected with the limiting block 214, the outer surface of the extension rod 213 is provided with the multiple fixed threaded holes 215, the fixed bolt 212 is threadedly connected with the fixed threaded hole 215.

[0039] When connecting two adjacent tray structures 20, first, the overall length of the telescopic structure 21 is adjusted according to the height of the rectifying tower body 10, the extension rod 213 is moved out from the inside of the sleeve 211, the extension rod 213 is adjusted to an appropriate length according to the actual situation, the fixing bolt 212 is screwed with the fixing screw hole 215 of an appropriate height, so as to fix the extension rod 213, then the connecting threaded rod 22 is inserted into the positioning hole 201 of the two adjacent tray structures 20, the end of the sleeve 211 is attached to one of the tray structures 20, and the limiting block 214 is attached to one of the tray structures 20, then the connecting nut 23 is screwed with the connecting threaded rod 22 and tightly attached to the tray structure 20, so as to complete the operation of connecting the two adjacent tray structures 20, which is convenient for connecting the two tray structures 20, and is convenient for disassembling the two adjacent tray structures 20, and is convenient for repairing or replacing the damaged tray structure 20. The telescopic structure 21 can adjust the distance between the two adjacent tray structures 20 to an appropriate distance according to the rectifying tower body 10, so that the subsequent treatment of carbon dioxide gas is more effective.

[0040] It should be noted that the outer diameter of the sleeve 211 and the diameter of the limiting block 214 are greater than the maximum diameter of the connecting threaded rod 22, so that the two adjacent tray structures 20 can be limited, and the distance between the two adjacent tray structures 20 is fixed. If the number of tray structures 20 is three, the number of telescopic structures 21 connecting the tray structures 20 is two, and the telescopic structures 21 connecting the two tray structures 20 are symmetrically distributed about the central axis of the tray structure 20. Similarly, when the number of tray structures 20 is greater than three, the distribution of the telescopic structure 21 is the same as described above.

[0041] The rectifying tower body 10 comprises a support 11, the tower body 12 is installed on the support 11, the sealing end cover 13 is installed at the top end of the tower body 12, and the sealing end cover 13 and the tower body 12 are connected together through flanges and bolts.

[0042] It should be noted that whether the tray structure 20 is installed or disassembled, the sealing end cover 13 and the tower body 12 need to be separated first.

[0043] The rectifying tower body 10 is connected with a reflux assembly, the reflux assembly comprises a regeneration tower 40, the regeneration tower 40 is connected with the bottom end of the rectifying tower body 10 through a pipeline, a water pump 41 is connected at a connecting port of the regeneration tower 40 through a pipeline, a reflux pipe 42 is connected at the water outlet of the water pump 41, a liquid inlet pipe 43 is installed at the end away from the water pump 41 of the reflux pipe 42, and the liquid inlet pipe 43 is connected with the sealing end cover 13.

[0044] The absorbent for absorbing impurities in the carbon dioxide gas is sprayed from the liquid inlet pipe 43, and the absorbent after absorbing the impurities enters the bottom of the rectifying tower body 10, and will enter the inside of the regeneration tower 40, and the impurities in the absorbent are desorbed through the regeneration tower 40, and the resolved absorbent is sprayed from the liquid inlet pipe 43 again under the action of the water pump 41 and the reflux pipe 42, so that the circulation use of the absorbent is realized.

[0045] It should be noted that the regeneration tower 40 has a heating or pressure reducing structure inside, and the impurities in the absorbent are desorbed by heating or pressure reducing, which is a mature technology, and the liquid inlet pipe 43 can be connected with a spray head, and the absorbent is sprayed out by spraying.

[0046] The rectifying tower body 10 is connected with a drying assembly, which comprises a drying tower 50 arranged on one side of the rectifying tower body 10, and a drying bed 51 is arranged in the drying tower 50, and the drying tower 50 is connected with a fan 1 52 through a pipeline, and the fan 1 52 is connected with a suction pipe 53, and the suction pipe 53 is connected with an exhaust pipe 54 arranged at the end away from the fan 1 52, and the exhaust pipe 54 is connected with the sealing end cover 13.

[0047] The carbon dioxide gas treated by the rectifying tower body 10 is discharged from the exhaust pipe 54, and under the action of the suction pipe 53 and the fan 1 52, the carbon dioxide gas quickly enters the inside of the drying tower 50, and the drying bed 51 is used for drying the carbon dioxide gas.

[0048] The inside of the tower body 12 is provided with a supporting ring 14, which is in contact with the tower plate structure 20 located at the lowermost position, and the supporting ring 14 is used for supporting the tower plate structure 20, so as to ensure the stability of the tower plate structure 20.

[0049] The tower body 12 is connected with an air inlet pipe 15, and the air inlet pipe 15 is connected with a fan 2 16, and the fan 2 16 is used for making the gas quickly enter the inside of the tower body 12.

[0050] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0051] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A distillation purification apparatus of high-purity carbon dioxide, characterized by comprising: Include: Rectifying tower body (10); Fixed socket (101) is set up in the inside of rectifying tower body (10); Multiple tower plate structures (20) are set up in the inside of rectifying tower body (10), the tower plate structure (20) is set up along the height direction of rectifying tower body (10), and the connecting assembly is set up between two adjacent tower plate structures (20), and the connecting assembly is used for connecting two adjacent tower plate structures (20); Connecting rod (30) is connected with the uppermost tower plate structure (20), and the end of the connecting rod (30) away from the tower plate structure (20) is connected with a fixed frame (31); Fixed assembly is set up on the fixed frame (31), and the fixed assembly is used for connecting the fixed frame (31) and the rectifying tower body (10).

2. The distillation purification device of high-purity carbon dioxide according to claim 1, characterized by: The fixed assembly includes support guide rod (32), fixed spring (33), push plate (34) and fixed plug rod (35), the support guide rod (32) is installed in the inside of fixed frame (31), the fixed spring (33) is sleeved on the outer surface of support guide rod (32), one end of the fixed spring (33) is connected with fixed frame (31), the push plate (34) is connected in sliding mode on the outer surface of support guide rod (32), and the push plate (34) is connected with the end of fixed spring (33), the fixed plug rod (35) is installed on the side of push plate (34) away from fixed spring (33), the fixed plug rod (35) penetrates fixed frame (31) and is connected in sliding mode with fixed frame (31), and the fixed plug rod (35) is matched with the size of fixed socket (101).

3. The distillation purification device of high-purity carbon dioxide according to claim 2, characterized by: The connecting assembly includes positioning perforation (201), telescopic structure (21) and connecting threaded rod (22), the number of positioning perforation (201) is two, two positioning perforation (201) are symmetrically set up on the tower plate structure (20), the telescopic structure (21) is set up between two adjacent tower plate structures (20), the telescopic structure (21) is used for adjusting the spacing between two adjacent tower plate structures (20), the number of connecting threaded rod (22) is two, two connecting threaded rods (22) are respectively connected with two ends of telescopic structure (21), and the outer surfaces of two connecting threaded rods (22) are all threadedly connected with connecting nuts (23).

4. The distillation purification device of high-purity carbon dioxide according to claim 3, characterized by: The telescopic structure (21) includes sleeve (211), fixed bolt (212), extension rod (213), limit block (214) and fixed threaded hole (215), the fixed bolt (212) is threadedly connected on the sleeve (211), the extension rod (213) is located in the inside of sleeve (211) and is connected in sliding mode with sleeve (211), the limit block (214) is connected with the end of extension rod (213), and the number of fixed threaded hole (215) is multiple, multiple fixed threaded holes (215) are evenly set up on the outer surface of extension rod (213).

5. The distillation purification device of high-purity carbon dioxide according to claim 3, characterized by: The rectifying tower body (10) comprises a support (11), a tower body (12) and a sealing end cover (13), the tower body (12) is installed on the support (11), and the sealing end cover (13) is connected with the top end of the tower body (12) through a flange and bolts.

6. The distillation purification device of high-purity carbon dioxide according to claim 5, characterized by: The rectifying tower body (10) is connected with a reflux assembly, the reflux assembly comprises a regeneration tower (40), a water pump (41), a reflux pipe (42) and a liquid inlet pipe (43), the regeneration tower (40) is connected with the bottom end of the rectifying tower body (10) through a pipeline, the water pump (41) is connected with one connecting port of the regeneration tower (40) through a pipeline, the reflux pipe (42) is connected with the water outlet of the water pump (41), the liquid inlet pipe (43) is installed on the sealing end cover (13), and the liquid inlet pipe (43) is connected with one end of the reflux pipe (42) away from the water pump (41).

7. The distillation purification device of high-purity carbon dioxide according to claim 5, characterized by: The rectifying tower body (10) is connected with a drying assembly, the drying assembly comprises a drying tower (50), a drying bed (51), a fan (52), a suction pipe (53) and an exhaust pipe (54), the drying bed (51) is arranged in the drying tower (50), the fan (52) is connected with the inside of the drying tower (50) through a pipeline, the fan (52) is connected with the suction pipe (53), the exhaust pipe (54) is installed on the sealing end cover (13), and the exhaust pipe (54) is connected with one end of the suction pipe (53) away from the fan (52).

8. The distillation purification device of high-purity carbon dioxide according to claim 5, characterized by: The inside of the tower body (12) is provided with a supporting ring (14), and the supporting ring (14) is attached to the tower plate structure (20) located at the lowermost position.

9. The distillation purification device of high-purity carbon dioxide according to claim 8, characterized by: The tower body (12) is connected with an air inlet pipe (15), and the air inlet pipe (15) is connected with a fan (16).

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