CN112299987B - Acrylic acid purification dehydrogenation tower - Google Patents
Acrylic acid purification dehydrogenation tower Download PDFInfo
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- CN112299987B CN112299987B CN202011292255.1A CN202011292255A CN112299987B CN 112299987 B CN112299987 B CN 112299987B CN 202011292255 A CN202011292255 A CN 202011292255A CN 112299987 B CN112299987 B CN 112299987B
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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Abstract
The invention provides an acrylic acid purification dehydrogenation tower, which comprises a purification tower body, an air outlet pipe, a support plate, a parallel flow injection tower plate, a mass transfer unit body, a feed pipe, a discharge pipe, a support frame, a controller, a drive switch, an auxiliary collection descending pipe frame structure and an auxiliary rotary filter frame structure, wherein the air outlet pipe is welded at the middle part of the upper end of the purification tower body; the support plate bolt is arranged above the interior of the purification tower body, and a parallel flow jet tower plate is embedded in the support plate; the mass transfer unit body is embedded at the upper end of the parallel flow jet tower plate. The beneficial effects of the invention are as follows: through the setting of supplementary collection decline pipe support structure, during the use, can make activity post activity from top to bottom to make the liquid of collecting intermittent and continuous carry the transport case in through the small opening and use, in the use simultaneously, avoided the material of pouring into to carry the top of flow parallel injection column plate through the standpipe, thereby influence the effect that flow parallel injection column plate was handled.
Description
Technical Field
The invention belongs to the technical field of light component removal towers, and particularly relates to an acrylic acid purification dehydrogenation tower.
Background
Acrylic acid is an unsaturated organic acid, and contains carbon-carbon double bonds and carboxyl structures in molecules, so that a series of compounds can be derived to form a large class of acrylic acid products. At present, the acrylic acid industry with unique characteristics is formed in the modern chemical industry field, and the acrylic acid industry becomes an important derivative of propylene like polypropylene, acrylonitrile and propylene oxide. The excellent polymerization and esterification capability of the acrylic acid provides an extremely important intermediate for the synthesis and preparation of various fine chemicals, and the acrylic acid is generally purified by a double-tower method at present.
However, the existing purification and dehydrogenation tower has the problems that gas is easy to flow reversely at the position where liquid descends, so that the work is influenced, the filtering speed of a sieve plate at the bottom of the purification and dehydrogenation tower is slow, and the disassembly, the special replacement and the maintenance are inconvenient.
Therefore, the invention of the acrylic acid purification dehydrogenation tower is very necessary.
Disclosure of Invention
In order to solve the technical problems, the invention provides an acrylic acid purification dehydrogenation tower, which aims to solve the problems that the existing purification dehydrogenation tower is easy to realize gas backflow at the position where liquid descends, so that the work is influenced, the filtering speed of a sieve plate at the bottom of the purification dehydrogenation tower is slow, and the disassembly, the special replacement and the maintenance are inconvenient. The acrylic acid purification dehydrogenation tower comprises a purification tower body, an air outlet pipe, a support plate, a parallel flow injection tower plate, a mass transfer unit body, a feeding pipe, a discharging pipe, a support frame, a controller, a driving switch, an auxiliary collection descending pipe frame structure and an auxiliary rotary filter frame structure, wherein the air outlet pipe is welded in the middle of the upper end of the purification tower body; the support plate bolt is arranged above the interior of the purification tower body, and a parallel flow jet tower plate is embedded in the support plate; the mass transfer unit body is embedded at the upper end of the parallel flow jet tower plate; the feeding pipe is welded at the right lower side inside the purifying tower body; the discharge pipe is welded on the right side of the lower end of the purifying tower body; the supporting frame bolt is arranged at the lower part of the outer wall of the purifying tower body; the controller bolt is arranged on the right side of the upper end of the support frame, and a driving switch is embedded in the front end of the controller; the auxiliary collecting descending pipe frame structure is arranged at the left end of the purifying tower body; the auxiliary rotary filter frame structure is arranged at the lower side in the purifying tower body; the auxiliary collecting descending pipe frame structure comprises a vertical pipe, a collecting pipe, a storage box, a leaking pipe, a conveying box and an auxiliary movable frame structure, wherein the collecting pipe is welded between the vertical pipe and the purifying tower body; the storage tank is welded between the vertical pipe and the leakage pipe; the conveying box is welded on the left side of the lower side in the purifying tower body, and a leakage pipe is embedded above the conveying box; the auxiliary movable frame structure is arranged in the conveying box.
Preferably, the auxiliary movable frame structure comprises a movable column, a connecting seat, a connecting rod, a connecting ring, an eccentric wheel, a first speed reducer and a first motor, wherein the connecting seat is welded at the lower end of the movable column, and the movable column is inserted into the leakage pipe; the lower end of the connecting rod is welded with a connecting ring; the first speed reducer is installed at the rear end of the conveying box through a bolt, and a first motor is installed on the left end of the first speed reducer through a bolt.
Preferably, the auxiliary rotary filter frame structure comprises a rotary shaft, a worm, a turbine, a second speed reducer, a second motor, a sealing ring and an auxiliary assembly and disassembly frame structure, wherein the rotary shaft is arranged in the middle of the lower side in the purifying tower body through a bearing; the worm is connected with the lower part of the outer wall of the rotating shaft in a key way; the turbine is connected to the right end of the second speed reducer through a key; the second speed reducer is installed on the left side of the lower end of the purifying tower body through a bolt, and a second motor is installed on a bolt at the front end of the second speed reducer; the auxiliary dismounting frame structure is arranged at the upper end of the rotating shaft.
Preferably, the auxiliary assembly and disassembly stand structure comprises a sleeving shell, a sealing edge, a through socket, a large-hole screen drum, a connecting column and a fixing plate, wherein the sleeving shell is mounted at the upper end of the rotating shaft through a bolt; the sealing edge is embedded on the inner wall of the sleeve shell; one end of the penetrating seat is connected with the sleeving shell through a bolt, and the other end of the penetrating seat is connected with the large-hole screen cylinder through a bolt; the connecting columns are respectively installed on the left upper side and the right upper side inside the large-hole screen drum through bolts; the fixed plate is mounted on the lower part of the inner wall of the purifying tower body through bolts.
Preferably, a plurality of collecting pipes are arranged at the right end of the vertical pipe, and the collecting pipes are arranged on the left side of the upper part of the support plate.
Preferably, the upper end of the connecting rod is in shaft connection with the connecting seat, and the connecting ring at the lower end of the connecting rod is in shaft connection with the front end of the eccentric wheel.
The front end of the first speed reducer is in key connection with the eccentric wheel, and the left end of the first speed reducer is in key connection with an output shaft of the first motor.
Preferably, the upper end of the rotating shaft supports the large-hole screen drum, and the upper end of the large-hole screen drum is arranged at the lower part of the conveying box.
Preferably, the rotating shaft is embedded in the inner ring of the sealing ring, and the outer ring of the sealing ring is embedded in the middle part of the lower side in the purifying column body.
Preferably, the joint of the fixing plate and the large-hole screen cylinder is provided with two bearings, and the connecting columns in the large-hole screen cylinder are provided with two connecting columns.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, a plurality of collecting pipes are arranged at the right end of the vertical pipe, and the collecting pipes are arranged at the left side of the upper part of the support plate, so that liquid above the support plate can be conveniently collected and conveyed when the liquid collecting device is used.
2. In the invention, the upper end and the lower end of the storage tank are respectively communicated with the leakage pipe and the vertical pipe, so that the conveyed liquid can be conveniently collected and stored.
3. In the invention, the left side and the right side of the leakage pipe are provided with openings, the lower part of the leakage pipe is inserted into the conveying box, so that the liquid in the storage box is conveniently conveyed into the conveying box, and meanwhile, the liquid enters the auxiliary rotary filter frame structure for storage and use.
4. In the invention, the movable column is matched with the leakage pipe, the movable column is arranged above the through hole of the leakage pipe, when in use, the movable column can move up and down, so that the collected liquid is conveyed into the conveying box for use through the leakage pipe intermittently, and simultaneously, in the use process, injected materials are prevented from being conveyed to the upper part of the parallel flow injection column plate through the vertical pipe, so that the treatment effect of the parallel flow injection column plate is influenced.
5. In the invention, the upper end of the connecting rod is in shaft connection with the connecting seat, and the connecting ring at the lower end of the connecting rod is in shaft connection with the front end of the eccentric wheel, so that the connecting rod is more reasonably matched with the movable column to move up and down and be used when the eccentric wheel rotates.
6. In the invention, the front end of the first speed reducer is in key connection with the eccentric wheel, and the left end of the first speed reducer is in key connection with the output shaft of the first motor, so that the first motor can be matched with the eccentric wheel to rotate and work.
7. In the invention, the upper end of the rotating shaft supports the large-hole screen drum, the upper end of the large-hole screen drum is arranged at the lower part of the conveying box, when in use, the large-hole screen drum is convenient to support and rotate in a matching way, and meanwhile, the effect of filtering liquid is increased in the rotating process of the large-hole screen drum,
8. in the invention, the worm wheel at the right end of the second speed reducer is connected with the worm on the rotating shaft, so that the worm wheel is conveniently matched with the rotating shaft for connection and then drives the rotating shaft to rotate for use.
9. In the invention, the rotating shaft is embedded in the inner ring of the sealing ring, and the outer ring of the sealing ring is embedded in the middle part of the lower side in the purifying tower body, so that the connecting part of the rotating shaft and the purifying tower body can be sealed and protected, and the rotating shaft can be conveniently matched with the rotating shaft to rotate and be used.
10. In the invention, the upper end of the penetrating seat is matched with the large-hole screen cylinder and is fixed by the bolt, so that the penetrating seat is convenient to be matched with the large-hole screen cylinder for dismounting and maintenance.
11. In the invention, the joint of the fixed plate and the large-hole screen cylinder is provided with the bearing, and two connecting columns are arranged in the large-hole screen cylinder, so that the large-hole screen cylinder is conveniently matched with the support and the stability of the large-hole screen cylinder, and the large-hole screen cylinder is also conveniently matched with the dismounting and the use of the large-hole screen cylinder.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Figure 2 is a schematic of the structure of the auxiliary collection downcomer leg structure of the present invention.
Fig. 3 is a schematic structural view of the auxiliary movable frame structure of the present invention.
Fig. 4 is a schematic structural view of an auxiliary rotary filter frame structure of the present invention.
Fig. 5 is a schematic structural view of the structure of the auxiliary mounting/dismounting frame of the present invention.
Fig. 6 is a schematic diagram of the electrical wiring of the present invention.
In the figure:
1. a purification column body; 2. an air outlet pipe; 3. a support plate; 4. co-current flow jet trays; 5. a mass transfer unit body; 6. a feeding pipe; 7. a discharge pipe; 8. a support frame; 9. a controller; 10. a drive switch; 11. the auxiliary collecting descending pipe frame structure; 111. a vertical tube; 112. a collection tube; 113. a storage tank; 114. a leak pipe; 115. a delivery box; 116. an auxiliary movable frame structure; 1161. a movable post; 1162. a connecting seat; 1163. a connecting rod; 1164. a connecting ring; 1165. an eccentric wheel; 1166. a first decelerator; 1167. a first motor; 12. an auxiliary rotary filter frame structure; 121. a rotating shaft; 122. a worm; 123. a turbine; 124. a second decelerator; 125. a second motor; 126. a seal ring; 127. an auxiliary assembly and disassembly frame structure; 1271. sleeving a shell; 1272. sealing the edges; 1273. penetrating a socket; 1274. a large-hole sieve drum; 1275. connecting columns; 1276. and (7) fixing the plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1 to 2, the acrylic acid purification dehydrogenation tower comprises a purification tower body 1, an air outlet pipe 2, a support plate 3, a parallel flow injection tower plate 4, a mass transfer unit body 5, a feed pipe 6, a discharge pipe 7, a support frame 8, a controller 9, a drive switch 10, an auxiliary collection descending pipe frame structure 11 and an auxiliary rotary filter frame structure 12, wherein the air outlet pipe 2 is welded at the middle part of the upper end of the purification tower body 1; the support plate 3 is arranged above the inside of the purification tower body 1 through bolts, and a parallel flow jet tower plate 4 is embedded in the support plate 3; the mass transfer unit body 5 is embedded at the upper end of the parallel flow jet tower plate 4; the feeding pipe 6 is welded at the right lower side inside the purifying tower body 1; the discharge pipe 7 is welded on the right side of the lower end of the purification tower body 1; the supporting frame 8 is arranged at the lower part of the outer wall of the purifying tower body 1 through bolts; the controller 9 is mounted on the right side of the upper end of the support frame 8 through a bolt, and a driving switch 10 is embedded in the front end of the controller 9; the auxiliary collecting descending pipe frame structure 11 is arranged at the left end of the purifying tower body 1; the auxiliary rotary filter frame structure 12 is arranged at the lower side inside the purifying tower body 1; the auxiliary collecting descending pipe frame structure 11 comprises a vertical pipe 111, a collecting pipe 112, a storage tank 113, a leakage pipe 114, a conveying tank 115 and an auxiliary movable frame structure 116, wherein the collecting pipe 112 is welded between the vertical pipe 111 and the purifying tower body 1; the storage tank 113 is welded between the vertical pipe 111 and the leakage pipe 114; the conveying box 115 is welded on the left of the lower side in the purifying tower body 1, and a leak pipe 114 is embedded above the conveying box 115; the auxiliary movable frame structure 116 is installed inside the conveying box 115.
As shown in fig. 3, in the above embodiment, specifically, the auxiliary movable frame structure 116 includes a movable column 1161, a connecting seat 1162, a connecting rod 1163, a connecting ring 1164, an eccentric wheel 1165, a first speed reducer 1166 and a first motor 1167, the connecting seat 1162 is welded to the lower end of the movable column 1161, and the movable column 1161 is inserted into the leakage pipe 114; the lower end of the connecting rod 1163 is welded with a connecting ring 1164; the first reducer 1166 is mounted at the rear end of the conveying box 115 through bolts, and a first motor 1167 is mounted at the left end of the first reducer 1166 through bolts.
As shown in fig. 4, in the above embodiment, specifically, the auxiliary rotary filter frame structure 12 includes a rotary shaft 121, a worm 122, a worm wheel 123, a second speed reducer 124, a second motor 125, a sealing ring 126 and an auxiliary mounting and dismounting frame structure 127, wherein the rotary shaft 121 is mounted at a lower middle portion inside the purifying column body 1 through a bearing; the worm 122 is connected with the lower part of the outer wall of the rotating shaft 121 in a key way; the turbine 123 is connected to the right end of the second speed reducer 124 in a key mode; the second reducer 124 is mounted on the left side of the lower end of the purifying column body 1 by bolts, and a second motor 125 is mounted on a front end bolt of the second reducer 124; the auxiliary assembly and disassembly stand structure 127 is arranged at the upper end of the rotating shaft 121; the first motor 1167 is driven to cooperate with the first reducer 1166 to drive the eccentric 1165 to rotate, and simultaneously, the eccentric 1165 cooperates with the connecting rod 1163 to drive the movable post 1161 to move up and down in the leaking pipe 114, so that the liquid collected in the storage tank 113 can pass through the leaking pipe 114 and the conveying tank 115 to enter the inside of the large-hole sieve drum 1274.
As shown in fig. 5, in the above embodiment, in particular, the auxiliary mounting/dismounting frame structure 127 includes a socket shell 1271, a sealing edge 1272, a through seat 1273, a large-hole screen cylinder 1274, a connecting column 1275 and a fixing plate 1276, wherein the socket shell 1271 is bolted to the upper end of the rotating shaft 121; the sealing edge 1272 is embedded on the inner wall of the sleeving shell 1271; one end of the penetrating seat 1273 is connected with the sleeving shell 1271 through a bolt, and the other end of the penetrating seat 1273 is connected with the large-hole sieve drum 1274 through a bolt; the connecting columns 1275 are respectively installed at the left upper side and the right upper side inside the large-hole sieve drum 1274 through bolts; the fixing plate 1276 is arranged at the lower part of the inner wall of the purifying tower body 1 through bolts; the second motor 125 is driven to cooperate with the second reducer 124 and the turbine 123 to drive the worm 122, the rotating shaft 121, the sleeving shell 1271 and the large-hole screen drum 1274 to rotate, so that the large-hole screen drum 1274 can rapidly treat the liquid.
In the above embodiment, specifically, a plurality of collecting pipes 112 are provided at the right end of the vertical pipe 111, and the collecting pipe 112 is provided at the left side of the upper part of the support plate 3, so that the liquid above the support plate 3 can be collected and transported conveniently when in use.
In the above embodiment, specifically, the upper end and the lower end of the storage tank 113 are respectively communicated with the leaking pipe 114 and the vertical pipe 111, so as to collect and store the transported liquid.
In the above embodiment, the left and right sides of the leaking pipe 114 are provided with openings, and the lower portion of the leaking pipe 114 is inserted into the conveying box 115, so that the liquid in the storage tank 113 can be conveyed into the conveying box 115, and the liquid can enter the auxiliary rotary filter frame structure 12 for storage.
In the above embodiment, specifically, the movable post 1161 is adapted to the leaking pipe 114, and the movable post 1161 is disposed above the through hole of the leaking pipe 114, so that when in use, the movable post 1161 can move up and down, and the collected liquid is intermittently conveyed into the conveying tank 115 through the leaking pipe 114 for use, and during use, the injected material is prevented from being conveyed above the co-current injection tray 4 through the standpipe 111, so as to affect the treatment effect of the co-current injection tray 4.
In the above embodiment, specifically, the upper end of the connecting rod 1163 is coupled to the connecting seat 1162, and the connecting ring 1164 at the lower end of the connecting rod 1163 is coupled to the front end of the eccentric 1165, so that when the eccentric 1165 rotates, the connecting rod 1161 is more reasonably matched to move up and down and be used.
In the above embodiment, specifically, the front end of the first speed reducer 1166 is connected to the eccentric wheel 1165 in a key manner, and the left end of the first speed reducer 1166 is connected to the output shaft of the first motor 1167 in a key manner, so as to drive the first motor 1167 to cooperate with the eccentric wheel 1165 to rotate and work.
In the above embodiment, specifically, the upper end of the rotating shaft 121 supports the large-hole sieve drum 1274, and the upper end of the large-hole sieve drum 1274 is disposed at the lower portion of the conveying box 115, so that when in use, the large-hole sieve drum 1274 is conveniently supported and rotated, and meanwhile, in the rotating process of the large-hole sieve drum 1274, the liquid filtering effect is increased,
in the above embodiment, specifically, the worm wheel 123 at the right end of the second speed reducer 124 is connected to the worm 122 on the rotating shaft 121, so as to be connected with the rotating shaft 121, and to drive the rotating shaft 121 to rotate.
In the above embodiment, specifically, the rotating shaft 121 is embedded in the inner ring of the sealing ring 126, and the outer ring of the sealing ring 126 is embedded in the middle portion of the lower side inside the purifying tower body 1, so that the connection between the rotating shaft 121 and the purifying tower body 1 can be sealed and protected, and the rotating shaft 121 can be conveniently rotated and used.
In the above embodiment, specifically, the upper end of the inserting seat 1273 is matched with the large-hole sieve drum 1274, and the inserting seat is fixed by a bolt, so that the inserting seat is conveniently assembled and disassembled by matching with the large-hole sieve drum 1274, and is maintained for use.
In the above embodiment, specifically, a bearing is disposed at a joint of the fixing plate 1276 and the large-hole screen drum 1274, and two connecting columns 1275 are disposed inside the large-hole screen drum 1274, so as to be conveniently supported by the large-hole screen drum 1274 and increase stability thereof, and to be conveniently detached and used by being matched with the large-hole screen drum 1274.
In the above embodiment, specifically, the controller 9 employs a PLC of model FX 2N-48.
In the above embodiment, specifically, the first motor 1167 is a motor model 4IK25(R) GN-C/4GN 180K.
In the above embodiment, specifically, the second motor 125 is a model ZD2941 motor.
In the above embodiment, specifically, the driving switch 10 is electrically connected to the controller 9, the first motor 1167 is electrically connected to the controller 9, and the second motor 125 is electrically connected to the controller 9.
Principle of operation
The working principle of the invention is as follows: when the purification tower is used, a material is injected into the purification tower body 1 through the feeding pipe 6, then the material ascends along with the material and enters the parallel flow injection tower plate 4 and the mass transfer unit body 5 in the support plate 3, and then passes through the parallel flow injection tower plate 4 and the mass transfer unit body 5 to be treated, so that gas can continuously ascend and is discharged from the gas outlet pipe 2, liquid enters the collecting pipe 112 through the support plate 3 and then is collected into the storage tank 113 at the lower end in the vertical pipe 111, when the purification tower is used, the first motor 1167 is driven to be matched with the first speed reducer 1166 to drive the eccentric wheel 1165 to rotate, the eccentric wheel 1165 is matched with the connecting rod 1163 to drive the movable column 1161 to move up and down in the leakage pipe 114, so that the liquid collected in the storage tank 113 can pass through the leakage pipe 114 and the conveying tank 115 to enter the inner side of the large-hole sieve cylinder 1274, and then the second motor 125 is driven to be matched with the second speed reducer 124 and the turbine 123 to drive the worm 122, the rotating shaft, The socket shell 1271 and the large-hole screen drum 1274 rotate, so that the large-hole screen drum 1274 can quickly treat the liquid, and the liquid can be discharged through the discharge pipe 7 after the work is finished.
The technical solutions of the present invention or those skilled in the art, based on the teachings of the technical solutions of the present invention, are designed to achieve the above technical effects, and all of them fall into the protection scope of the present invention.
Claims (7)
1. The acrylic acid purification and dehydrogenation tower is characterized by comprising a purification tower body (1), an air outlet pipe (2), a support plate (3), a parallel flow jet tower plate (4), a mass transfer unit body (5), an inlet pipe (6), an exhaust pipe (7), a support rack (8), a controller (9), a drive switch (10), an auxiliary collection descending pipe rack structure (11) and an auxiliary rotary filter rack structure (12), wherein the air outlet pipe (2) is welded in the middle of the upper end of the purification tower body (1); the support plate (3) is arranged above the inside of the purification tower body (1) through bolts, and a parallel flow jet tower plate (4) is embedded in the support plate (3); the mass transfer unit body (5) is embedded at the upper end of the parallel flow jet tower plate (4); the feeding pipe (6) is welded at the right lower side inside the purifying tower body (1); the discharge pipe (7) is welded on the right side of the lower end of the purifying tower body (1); the supporting frame (8) is arranged at the lower part of the outer wall of the purifying tower body (1) through bolts; the controller (9) is installed on the right side of the upper end of the supporting rack (8) through bolts, and a driving switch (10) is embedded in the front end of the controller (9); the auxiliary collecting descending pipe frame structure (11) is arranged at the left end of the purifying tower body (1); the auxiliary rotary filter frame structure (12) is arranged at the lower side inside the purifying tower body (1); the auxiliary collecting descending pipe frame structure (11) comprises a vertical pipe (111), a collecting pipe (112), a storage tank (113), a leaking pipe (114), a conveying tank (115) and an auxiliary movable frame structure (116), wherein the collecting pipe (112) is welded between the vertical pipe (111) and the purifying tower body (1); the storage tank (113) is welded between the vertical pipe (111) and the leakage pipe (114); the conveying box (115) is welded at the left side of the lower side in the purifying tower body (1), and a leakage pipe (114) is embedded above the conveying box (115); the auxiliary movable frame structure (116) is arranged inside the conveying box (115); the auxiliary movable frame structure (116) comprises a movable column (1161), a connecting seat (1162), a connecting rod (1163), a connecting ring (1164), an eccentric wheel (1165), a first speed reducer (1166) and a first motor (1167), the connecting seat (1162) is welded at the lower end of the movable column (1161), and the movable column (1161) is inserted into the leakage pipe (114); the lower end of the connecting rod (1163) is welded with a connecting ring (1164); the first speed reducer (1166) is installed at the rear end of the conveying box (115) through bolts, and a first motor (1167) is installed at the left end of the first speed reducer (1166) through bolts; the auxiliary rotary filter frame structure (12) comprises a rotating shaft (121), a worm (122), a turbine (123), a second speed reducer (124), a second motor (125), a sealing ring (126) and an auxiliary assembly and disassembly frame structure (127), wherein the rotating shaft (121) is arranged at the middle part of the lower side in the purifying tower body (1) through a bearing; the worm (122) is connected with the lower part of the outer wall of the rotating shaft (121) in a key way; the turbine (123) is connected to the right end of the second speed reducer (124) in a keyed mode; the second speed reducer (124) is arranged on the left side of the lower end of the purifying tower body (1) through a bolt, and a second motor (125) is arranged on the front end of the second speed reducer (124) through a bolt; the auxiliary assembly and disassembly stand structure (127) is arranged at the upper end of the rotating shaft (121); the auxiliary assembling and disassembling stand structure (127) comprises a sleeving shell (1271), a sealing edge (1272), a penetrating seat (1273), a large-hole sieve drum (1274), a connecting column (1275) and a fixing plate (1276), wherein the sleeving shell (1271) is arranged at the upper end of the rotating shaft (121) through bolts; the sealing edge (1272) is embedded on the inner wall of the sleeving shell (1271); one end of the socket penetrating (1273) is connected with the sleeving shell (1271) through a bolt, and the other end of the socket penetrating (1273) is connected with the large-hole sieve drum (1274) through a bolt; the connecting columns (1275) are respectively installed on the left upper side and the right upper side inside the large-hole screen drum (1274) through bolts; the fixed plate (1276) is installed on the lower portion of the inner wall of the purifying tower body (1) through bolts, the upper end of the rotating shaft (121) supports the large-hole screen drum (1274), the upper end of the large-hole screen drum (1274) is arranged on the lower portion of the conveying box (115), and the turbine (123) at the right end of the second speed reducer (124) is connected with the worm (122) on the rotating shaft (121).
2. The acrylic acid purifying and dehydrogenating column as recited in claim 1, wherein a plurality of collecting pipes (112) are provided at the right end of said vertical pipe (111), and said collecting pipes (112) are provided at the left side of the upper portion of said support plate (3), and said storage tank (113) is connected to said leak pipe (114) and said vertical pipe (111) at the upper and lower ends thereof, respectively.
3. The acrylic acid purifying dehydrogenation column as claimed in claim 1, wherein the left and right sides of the leak pipe (114) are provided with openings, and the lower part of the leak pipe (114) is inserted into the delivery box (115).
4. The acrylic acid purifying and dehydrogenating tower as recited in claim 1, wherein said movable column (1161) is fitted with said leak pipe (114), said movable column (1161) is disposed above the through hole of said leak pipe (114), the upper end of said connecting rod (1163) is coupled to said connecting seat (1162), and said connecting ring (1164) at the lower end of said connecting rod (1163) is coupled to the front end of said eccentric wheel (1165).
5. The tower for purifying and dehydrogenating acrylic acid as claimed in claim 1, wherein said rotating shaft (121) is inserted into the inner ring of said sealing ring (126), and the outer ring of said sealing ring (126) is inserted into the middle of the lower side of the interior of said purification tower body (1).
6. The tower for purifying and dehydrogenating acrylic acid as claimed in claim 1, wherein said through receptacle (1273) is adapted to said large-sized screen drum (1274) at its upper end and is bolted thereto.
7. The tower for purifying and dehydrogenating acrylic acid as claimed in claim 1, wherein a bearing is provided at the junction of said fixed plate (1276) and said large-pore sieve drum (1274), and two connecting columns (1275) are provided inside said large-pore sieve drum (1274).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011292255.1A CN112299987B (en) | 2020-11-18 | 2020-11-18 | Acrylic acid purification dehydrogenation tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011292255.1A CN112299987B (en) | 2020-11-18 | 2020-11-18 | Acrylic acid purification dehydrogenation tower |
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| CN112299987A CN112299987A (en) | 2021-02-02 |
| CN112299987B true CN112299987B (en) | 2022-07-22 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272389A (en) * | 2000-04-19 | 2000-11-08 | 天津市新天进科技开发有限公司 | Double-flow injection float valve tray |
| CN202700135U (en) * | 2012-07-24 | 2013-01-30 | 四川晶萃化工科技有限公司 | Rotary screen tower used for liquid-liquid extraction |
| CN203803141U (en) * | 2014-05-14 | 2014-09-03 | 平湖石化有限责任公司 | Liquid collection and redistribution device applied to crylic acid refining process |
| CN204735229U (en) * | 2015-07-13 | 2015-11-04 | 大连理工大学 | Imbibition of gas lift whirl with isolated column plate of liquid falls |
| CN209204704U (en) * | 2018-10-16 | 2019-08-06 | 湖北力拓能源化工装备有限公司 | A kind of New VST column plate |
| CN210314060U (en) * | 2019-06-30 | 2020-04-14 | 浙江卫星石化股份有限公司 | Acrylic acid purification device |
| CN111701281A (en) * | 2020-07-14 | 2020-09-25 | 衷俊 | Acrylic acid purification lightness-removing tower |
| CN111821711A (en) * | 2020-07-23 | 2020-10-27 | 朱文艳 | Plate type fractionating tower |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2286510C9 (en) * | 2004-11-03 | 2007-06-10 | Борис Владимирович Наличаев | Light tower, light-tower support, method and unit for controlling light-tower operation |
| US9545610B2 (en) * | 2013-03-04 | 2017-01-17 | Nova Chemicals (International) S.A. | Complex comprising oxidative dehydrogenation unit |
-
2020
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272389A (en) * | 2000-04-19 | 2000-11-08 | 天津市新天进科技开发有限公司 | Double-flow injection float valve tray |
| CN202700135U (en) * | 2012-07-24 | 2013-01-30 | 四川晶萃化工科技有限公司 | Rotary screen tower used for liquid-liquid extraction |
| CN203803141U (en) * | 2014-05-14 | 2014-09-03 | 平湖石化有限责任公司 | Liquid collection and redistribution device applied to crylic acid refining process |
| CN204735229U (en) * | 2015-07-13 | 2015-11-04 | 大连理工大学 | Imbibition of gas lift whirl with isolated column plate of liquid falls |
| CN209204704U (en) * | 2018-10-16 | 2019-08-06 | 湖北力拓能源化工装备有限公司 | A kind of New VST column plate |
| CN210314060U (en) * | 2019-06-30 | 2020-04-14 | 浙江卫星石化股份有限公司 | Acrylic acid purification device |
| CN111701281A (en) * | 2020-07-14 | 2020-09-25 | 衷俊 | Acrylic acid purification lightness-removing tower |
| CN111821711A (en) * | 2020-07-23 | 2020-10-27 | 朱文艳 | Plate type fractionating tower |
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| CN112299987A (en) | 2021-02-02 |
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