Air cooling tower applied to gas cryogenic separation equipment

Abstract

The utility model discloses an air cooling tower applied to gas cryogenic separation equipment, which comprises a tower base, a filtering mechanism and a grid tray mechanism, an air inlet is arranged on the outer wall of the tower base, the filtering mechanism is arranged on the inner wall of the tower base, the filtering mechanism comprises a fixing frame, a fixing rod and a filtering frame, the fixing frame is arranged on the inner wall of the tower base, and the fixing rod is arranged on the fixing frame. Fixing rods are arranged at the two ends of the outer wall of the fixing frame, a filtering frame is connected to the bottom end of the fixing frame, and a tower body is arranged at the top end of the tower base. According to the air cooling tower applied to the gas cryogenic separation equipment, through the arrangement of the filtering mechanism, when gas is cooled and washed through liquid media such as cooling water and then falls into the tower base, impurities or filler residues and other foreign matter contained in the liquid media such as the cooling water can be filtered through a filtering frame in the filtering mechanism; and meanwhile, the filtering frame is convenient to disassemble and assemble, and filtered filler residues and the like can be cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of air cooling tower, concretely is a kind of air cooling tower applied to gas cryogenic separation equipment. BACKGROUND

[0002] Air cooling tower is usually with water cooling tower, water pump, water filter, cold water unit, pipeline valve and instrument electric control system etc. Component constitutes a complete air precooling system, and the air path process of air cooling tower is that the humid hot air from turbine air compressor enters the lower part of air cooling tower, and the cooling water in the lower section of air cooling tower is contacted directly by counterflow to exchange heat and mass, so that air is preliminarily cooled, and air rises to the upper section of air cooling tower, and the chilled water from the bottom of water cooling tower is sequentially pressurized by water pump and cooled by cold water unit to further exchange heat and mass, so that air is finally cooled to a lower temperature and discharged from air cooling tower to molecular sieve purification system, and the water path process of air cooling tower is that the cooling water from user cooling water system enters air precooling system and is divided into two ways, one way enters water cooling tower from the upper part of water cooling tower, and is cooled by the residual contaminated nitrogen gas from air separation equipment in the tower and then flows out from the lower part of water cooling tower, and is further cooled by water pump and cold water unit after pressurization and then sent to the upper section of air cooling tower, and the other way is pressurized by water pump and directly enters the middle part of air cooling tower, mixed with the cooling water flowing down from the upper section of tower, and acts as the cooling water in the lower section of air cooling tower, which is discharged after heat and mass exchange with air in the lower section of air cooling tower to user cooling water system, so an air cooling tower applied to gas cryogenic separation equipment is urgently needed.

[0003] The air cooling tower applied to gas cryogenic separation equipment currently in use may contain impurities in the filler after the cooling water and other liquids flow into the bottom, which is inconvenient for filtering the cooling water and scale, and the spray head may be blocked after long-term use, which is inconvenient for disassembly and cleaning. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an air cooling tower applied to gas cryogenic separation equipment to solve the problem of the air cooling tower applied to gas cryogenic separation equipment currently in use, which may contain impurities in the filler after the cooling water and other liquids flow into the bottom, which is inconvenient for filtering the cooling water and scale, and the spray head may be blocked after long-term use, which is inconvenient for disassembly and cleaning.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: An air cooling tower applied to gas cryogenic separation equipment, including tower seat, filter mechanism and grating mechanism, the outer wall of tower seat is provided with air inlet, the inner wall of tower seat is installed filter mechanism, the filter mechanism includes fixed frame, fixed rod and filter frame, the inner wall of tower seat is installed fixed frame, both ends of the outer wall of fixed frame are provided with fixed rod, and the bottom of fixed frame is connected with filter frame, the top of tower seat is provided with tower body, the inner wall of tower body is provided with grating mechanism, and the inner wall of grating mechanism contains filler, the inner wall of tower body is provided with redistribution ware, one end of the outer wall of tower seat is connected with water tank, and the top of water tank is connected with conveying pipe, the bottom of conveying pipe is installed water pump, and the top of conveying pipe is connected with spray pipe, the bottom of spray pipe is provided with connecting seat, and the bottom of connecting seat is installed fixed nut, the bottom of fixed nut is installed spray head, and the top of tower body is connected with air outlet pipe.

[0006] Preferably, the filter frame is screwed to the tower seat via the fixed rods, and the outer wall of the fixed rods and the inner wall of the tower seat are both provided with threads.

[0007] Preferably, the grating mechanism comprises a fixed ring, a limiting rod, a protective cover and a hole plate, the fixed ring is installed on the inner wall of the tower body, the limiting rod is installed on the inner wall of the fixed ring, the protective cover is installed on the top of the fixed ring, and the hole plate is arranged on the inner wall of the fixed ring.

[0008] Preferably, the fixed ring is screwed to the tower body via the limiting rod, and the outer wall of the limiting rod and the inner wall of the tower body are both provided with threads.

[0009] Preferably, the spray head is screwed to the connecting seat via the fixed nut, and the inner wall of the fixed nut and the outer wall of the connecting seat are both provided with threads.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1. The filter mechanism is arranged in the air cooling tower, so that the cooling water can wash and cool the gas when falling into the tower seat, the filter frame in the filter mechanism can filter out the impurities or filler residues in the cooling water, thereby avoiding the impurities from entering the water tank, and the filter frame can be easily disassembled and cleaned.

[0012] 2. The fixed nut and the spray head are arranged in the air cooling tower, so that the spray head can be easily disassembled for cleaning when the air cooling tower is regularly maintained, thereby avoiding the scale or impurities in the spray head from blocking the spray head and affecting the spraying effect. Attached Figure Description

[0013] Figure 1 This is a front sectional view of the present invention;

[0014] Figure 2 This is a top view of the grid plate mechanism of this utility model;

[0015] Figure 3 This utility model Figure 1 Enlarged structural diagram of section A in the middle.

[0016] In the diagram: 1. Tower base; 2. Air inlet; 3. Filtering mechanism; 301. Fixing frame; 302. Fixing rod; 303. Filter frame; 4. Tower body; 5. Grid plate mechanism; 501. Fixing ring; 502. Limiting rod; 503. Protective cover; 504. Orifice plate; 6. Packing material; 7. Redistributor; 8. Water tank; 9. Delivery pipe; 10. Water pump; 11. Spray pipe; 12. Connecting seat; 13. Fixing nut; 14. Spray head; 15. Air outlet pipe. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figures 1-3 This utility model provides a technical solution: an air-cooled tower for a gas cryogenic separation device, including a tower base 1, a filter mechanism 3, and a grid plate mechanism 5. An air inlet 2 is provided on the outer wall of the tower base 1. The filter mechanism 3 is installed on the inner wall of the tower base 1. The filter mechanism 3 includes a fixing frame 301, fixing rods 302, and a filter frame 303. The fixing frame 301 is installed on the inner wall of the tower base 1, and fixing rods 302 are provided at both ends of the outer wall of the fixing frame 301. The bottom end of the fixing frame 301 is connected to the filter frame 303. The filter frame 303 is connected by a fixing rod. The fixed rod 302 is threaded to the tower base 1, and both the outer wall of the fixed rod 302 and the inner wall of the tower base 1 are threaded. With the filter mechanism 3, when the gas falls into the tower base 1 after cryogenic separation by the liquid medium such as cooling water, the filter frame 303 in the filter mechanism 3 can filter the impurities or foreign objects such as packing 6 residue contained in the liquid medium such as cooling water, thereby preventing foreign objects from entering the water tank 8. At the same time, the filter frame 303 is easy to disassemble and assemble, and the filtered packing 6 residue can be cleaned.

[0019] The top end of the tower base 1 is provided with a tower body 4, a grid plate mechanism 5 is arranged on the inner wall of the tower body 4, the grid plate mechanism 5 comprises a fixed ring 501, a limiting rod 502, a protective cover 503 and a hole plate 504, the fixed ring 501 is installed on the inner wall of the tower body 4, the inner wall of the fixed ring 501 is installed with the limiting rod 502, and the top end of the fixed ring 501 is installed with the protective cover 503, the inner wall of the fixed ring 501 is provided with the hole plate 504, the fixed ring 501 is threadedly connected with the tower body 4 through the limiting rod 502, and the outer wall of the limiting rod 502 and the inner wall of the tower body 4 are both provided in a threaded manner, and the inner wall of the grid plate mechanism 5 contains the filler 6, the inner wall of the tower body 4 is provided with the redistribution device 7, one end of the outer wall of the tower base 1 is connected with the water tank 8, and the top end of the water tank 8 is connected with the conveying pipe 9, the bottom end of the conveying pipe 9 is installed with the water pump 10, and the top end of the conveying pipe 9 is connected with the spray pipe 11, the bottom end of the spray pipe 11 is provided with the connecting seat 12, and the bottom end of the connecting seat 12 is installed with the fixed nut 13, the bottom end of the fixed nut 13 is installed with the spray head 14, the spray head 14 is threadedly connected with the connecting seat 12 through the fixed nut 13, and the inner wall of the fixed nut 13 and the outer wall of the connecting seat 12 are both provided in a threaded manner, and the top end of the tower body 4 is connected with the air outlet pipe 15, by arranging the fixed nut 13 and the spray head 14, so that the spray head 14 can be conveniently disassembled through the fixed nut 13 when the rectifying tower equipment is regularly maintained and cleaned, so that the inside of the spray head 14 can be cleaned, so that scale or sundries in the inside of the spray head 14 are prevented from blocking the spray head 14 after a long time of use, and the spraying effect is affected.

[0020] Working principle: in use, first, the gas pipeline is connected with the gas inlet 2 of the tower seat 1 outer wall, the gas is discharged into the tower seat 1 through the gas pipeline, the gas is from bottom to top, and the cooling water in the water tank 8 is pumped into the spray pipe 11 through the delivery pipe 9 by the water pump 10, and then is sprayed out through the spray head 14, the gas and the liquid medium such as cooling water are contacted and fall into the tower seat 1, the air cooling tower is the type of packing 6 cooling tower, the top of the tower is provided with a stainless steel mesh demister to prevent the misty free water from being brought into the subsequent molecular sieve purification system when the air is discharged out of the tower, the middle part of the tower is the packing 6 section, the packing 6 is divided into upper and lower two sections, the upper section is provided with a ring made of special material, and the lower section of the packing 6 is divided into two layers according to different types, the water distributor is arranged at the water inlet position of the upper part and the middle part of the tower respectively, when normally operating, the chilled water is uniformly sprayed on the top of the upper section of the packing 6 through the upper water distributor, and then flows to the lower section of the packing 6 through the gap of the upper section of the packing 6; the other way of cooling water is uniformly sprayed on the top of the lower section of the packing 6 through the lower water distributor in the middle part of the tower, and then the two water flows are combined and flow to the bottom of the tower through the gap of the lower section of the packing 6 and are discharged out of the tower, the high-temperature air from the air compressor enters the tower from the lower part of the tower, and then flows upward against the water flow, first carries out preliminary heat and mass exchange with the cooling water supplied from outside in the lower section, then enters the upper section of the tower to further exchange heat and mass with the chilled water, and then is discharged out of the tower through the stainless steel mesh demister at the top of the tower and enters the molecular sieve purification system, through the above process, the air cooling tower effectively reduces the temperature of the compressed air, and provides suitable operating conditions for the subsequent molecular sieve purification system, in addition, through the setting of the filtering mechanism 3, when the gas is subjected to cryogenic separation by the liquid medium such as cooling water and falls into the inside of the tower seat 1, the filtering frame 303 in the filtering mechanism 3 can filter the impurities or foreign matters such as packing 6 residues contained in the liquid medium such as cooling water, so that the foreign matters are prevented from entering the water tank 8, meanwhile, the filtering frame 303 is convenient to disassemble, the packing 6 residues and the like filtered out can be regularly cleaned, and through the setting of the fixing nut 13 and the spray head 14, when the rectifying tower equipment is regularly maintained and cleaned, the fixing nut 13 can conveniently disassemble the spray head 14, so that the inside of the spray head 14 is cleaned, the scale or foreign matters in the inside of the spray head 14 is prevented from blocking the spray head 14 after long time use, and the spraying effect is affected, so that the operation process of the air cooling tower applied to the gas cryogenic separation equipment is completed.

[0021] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An air cooling tower applied to a gas cryogenic separation device, characterized in that, The utility model provides a tower filter, including tower seat (1), filter mechanism (3) and grill mechanism (5), the outer wall of tower seat (1) is provided with air inlet (2), filter mechanism (3) is installed in the inner wall of tower seat (1), filter mechanism (3) includes fixed frame (301), fixed rod (302) and filter frame (303), fixed frame (301) is installed in the inner wall of tower seat (1), both ends of the outer wall of fixed frame (301) are provided with fixed rod (302), and the bottom end of fixed frame (301) is connected with filter frame (303), the top end of tower seat (1) is provided with tower body (4), the inner wall of tower body (4) is provided with grill mechanism (5), and the inner wall of grill mechanism (5) contains filler (6), the inner wall of tower body (4) is provided with redistribution ware (7), one end of the outer wall of tower seat (1) is connected with water tank (8), and the top end of water tank (8) is connected with conveying pipe (9), the bottom end of conveying pipe (9) is installed with water pump (10), and the top end of conveying pipe (9) is connected with spray pipe (11), the bottom end of spray pipe (11) is provided with connecting seat (12), and the bottom end of connecting seat (12) is installed with fixed nut (13), the bottom end of fixed nut (13) is installed with shower head (14), and the top end of tower body (4) is connected with air outlet pipe (15).

2. The air cooling tower applied to the gas cryogenic separation equipment according to claim 1, characterized in that: The filter frame (303) is connected with the tower seat (1) by the fixed rod (302), and the outer wall of the fixed rod (302) and the inner wall of the tower seat (1) are both provided in a threaded manner.

3. The air cooling tower applied to the gas cryogenic separation equipment according to claim 1, characterized in that: The grill mechanism (5) includes a fixed ring (501), a limiting rod (502), a protective cover (503), and a hole plate (504). The fixed ring (501) is installed on the inner wall of the tower body (4). The inner wall of the fixed ring (501) is installed with the limiting rod (502). The top end of the fixed ring (501) is installed with the protective cover (503). The inner wall of the fixed ring (501) is provided with the hole plate (504).

4. The air cooling tower applied to the gas cryogenic separation equipment according to claim 3, characterized in that: The fixed ring (501) is connected with the tower body (4) by the limiting rod (502), and the outer wall of the limiting rod (502) and the inner wall of the tower body (4) are both provided in a threaded manner.

5. The air cooling tower applied to the gas cryogenic separation equipment according to claim 1, characterized in that: The shower head (14) is connected with the connecting seat (12) by the fixed nut (13), and the inner wall of the fixed nut (13) and the outer wall of the connecting seat (12) are both provided in a threaded manner.

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