CN116328695B - Improved generation epoxy chloropropane saponification tower - Google Patents
Improved generation epoxy chloropropane saponification tower Download PDFInfo
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- CN116328695B CN116328695B CN202310601781.9A CN202310601781A CN116328695B CN 116328695 B CN116328695 B CN 116328695B CN 202310601781 A CN202310601781 A CN 202310601781A CN 116328695 B CN116328695 B CN 116328695B
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- tray
- fixedly connected
- saponification
- rotary drum
- tower
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- 238000007127 saponification reaction Methods 0.000 title claims abstract description 141
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 title description 6
- 239000007788 liquid Substances 0.000 claims abstract description 46
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 238000012545 processing Methods 0.000 abstract description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 62
- 238000000034 method Methods 0.000 description 14
- 239000002994 raw material Substances 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000012043 crude product Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000013034 phenoxy resin Substances 0.000 description 1
- 229920006287 phenoxy resin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention belongs to the technical field of epichlorohydrin processing, in particular to an improved epichlorohydrin saponification tower; comprises a saponification tower; a rotary drum is arranged in the saponification tower and rotates in the saponification tower through a mounting seat; tray groups which are uniformly arranged are arranged on the surface of the outer ring of the rotary drum; each tray group comprises a first tray and a second tray, and the first tray and the second tray are arranged on the surface of the outer ring of the rotary drum; the second tray is arranged at a position below the first tray; the first tower tray is provided with first liquid holes which are uniformly distributed at the position close to one side of the rotary drum; a second liquid hole is formed in one side, close to the annular plate, of the second tray; the bottom of the saponification tower is fixedly connected with electric telescopic rods which are uniformly arranged; a plurality of electric telescopic rods are fixedly connected with slip rings; the slip ring is connected with two extension rods in a sliding way; the invention is mainly used for solving the problem that the saponification effect of the saponification tower is not obvious.
Description
Technical Field
The invention belongs to the technical field of epichlorohydrin processing, and particularly relates to an improved epichlorohydrin saponification tower.
Background
The epoxy chloropropane is an organic compound, and is mainly used for preparing epoxy resin, is also a stabilizer and a chemical intermediate of oxygen-containing substances, is also used for preparing main raw materials of epoxy resin and phenoxy resin, and is also used for preparing glycerol, cured propenyl rubber and the like, wherein the preparation of the epoxy chloropropane is carried out by saponification to obtain a crude product of the epoxy chloropropane, and equipment used in the saponification process is a saponification tower;
in order to solve the problems that the trays arranged on the inner wall of the existing saponification tower are not adjustable, the reaction liquid such as raw materials directly flows downwards after passing through the trays, the residence time on the trays is short, and the saponification effect is poor, the patent with the application number of 2022104292003 and the subject name of an epoxy chloropropane saponification tower is provided after research and development of our department and achievement, and the patent is mainly used for solving the problems that the residence time of the raw materials and the reaction liquid on the trays is short and the trays are cleaned;
however, in the subsequent work of my department, it was found that, since the funnels formed by the trays located at different heights are the same, only the tray located at the uppermost position near the spray head can receive part of the saponification reaction liquid, when the saponification reaction liquid on the tray at the uppermost position is gradually increased, the reaction liquid can flow down from the inside of the rotating drum or overflow from the tray at the uppermost position, so that the tray below cannot receive excessive saponification reaction liquid, and the saponification reaction effect is not remarkable.
Disclosure of Invention
In order to make up for the deficiency of the prior art, solve the above-mentioned technical problem; the invention provides an improved epichlorohydrin saponification tower.
Comprises a saponification tower; a gas phase outlet pipe is arranged at the top of the saponification tower; a waste liquid outlet pipe is arranged at the bottom of the saponification column; a mixing box is arranged at the top position inside the saponification tower; the outer wall of the mixing box is sleeved with a feeding pipe and a feeding pipe; the inner wall of the mixing box is provided with a stirring mechanism; the bottom of the mixing box is provided with evenly arranged spray heads;
a flushing mechanism is arranged on one side of the saponification tower; the outer wall of the rotary drum is provided with a scraping and washing mechanism; a rotary drum is arranged in the saponification tower and rotates in the saponification tower through a mounting seat;
tray groups which are uniformly arranged are arranged on the surface of the outer ring of the rotary drum, and the structures of each tray group are the same; each tray group comprises a first tray and a second tray, and the first tray and the second tray are arranged on the surface of the outer ring of the rotary drum;
the second tray is arranged at a position below the first tray; the first tray is a disk which is recessed downwards; the second tray is an upward-protruding disc; the first tower tray is provided with first liquid holes which are uniformly distributed at the position close to one side of the rotary drum;
the outer ring of the second tray is fixedly connected with an annular plate, and the annular plate is inclined upwards; a second liquid hole is formed in one side, close to the annular plate, of the second tray;
the rotary drum is fixedly connected with a first gear at a position close to the bottom of the saponification tower; a motor is fixedly connected to the bottom of the saponification tower; the output shaft of the motor is fixedly connected with a driving rod which extends into the saponification tower; the driving rod is fixedly connected with a second gear, and the second gear is meshed with the first gear;
the bottom of the saponification tower is fixedly connected with electric telescopic rods which are uniformly arranged; a plurality of electric telescopic rods are fixedly connected with slip rings; the slip ring is connected with two extension rods in a sliding way; the extension rods all penetrate through the tray group and extend to the upper part of the tray group;
the rotary drum is connected with a mounting plate in a sliding manner, and the extension rod is fixedly connected with the extension rod; the first tray in each tray group is fixedly connected with the extension rod and is in sliding connection with the rotary drum; the second tray in each tray group is fixedly connected to the outer surface of the rotary drum.
Optionally, in the vertical direction, an annular bin is fixedly connected to the upper surface of the first tray close to the mixing box; the surface of the annular bin, which is close to the inner ring of the rotary drum, is provided with evenly arranged liquid leakage grooves; a connecting rod is fixedly connected below the mixing box; the other end of the connecting rod is fixedly connected with a circular ring; an annular groove is formed in the annular bin, and the annular groove is positioned in the annular groove in an initial state of the annular; an arc-shaped groove is formed in the inner wall of the circular ring, and the arc-shaped groove is mutually overlapped with the liquid leakage groove in the initial state;
the surface of the outer ring of the circular ring is fixedly connected with a turning plate which is uniformly arranged.
Optionally, the upper surfaces of the first tray and the second tray are fixedly connected with spiral baffle plates.
Optionally, the lower surface of each first tray is fixedly connected with uniformly arranged first current limiting blocks through long rods, and the first current limiting blocks are positioned above the second liquid holes in an initial state; the upper surface of each second tray is fixedly connected with second current limiting blocks which are uniformly arranged through long rods, and the second current limiting blocks are positioned below the first liquid holes in an initial state;
the surfaces of the first current limiting block and the second current limiting block are smooth.
Optionally, a choke ring is arranged on one side of each first flow limiting block far away from the rotary drum, and the choke ring is in contact with the second tray in an initial state; a chute which is uniformly arranged is formed in one side, close to the first flow limiting block, of the flow blocking ring; a sliding block is fixedly connected to one side, close to the choke ring, of each first flow limiting block, and the sliding blocks slide in the sliding grooves; the sliding blocks are connected with the sliding grooves through springs;
and a sealing gasket is fixedly connected to one side, which is attached to the second tray, of each flow blocking ring.
The beneficial effects of the invention are as follows:
1. according to the improved epichlorohydrin saponification tower, a plurality of groups of tray groups are arranged, so that saponification reaction liquid can flow on the first tray and the second tray all the time from high to low, the residence time of the saponification reaction liquid on the first tray and the second tray is prolonged, the saponification reaction time of the saponification reaction liquid is prolonged, the saponification effect of the saponification reaction liquid is further improved, meanwhile, the first tray and the second tray rotate, in the process that the saponification reaction liquid flows on the first tray and the second tray from high to low, the first tray and the second tray can drive the saponification reaction liquid on the first tray and the second tray to move, and in the process that the saponification reaction liquid flows from high to low, the saponification reaction liquid does not flow from high to low along a straight line, and the residence time of the saponification reaction liquid can be further prolonged in the process, so that the saponification reaction effect is improved.
2. According to the improved epichlorohydrin saponification tower, the saponification reaction liquid flows to the uppermost first tray in a partial and intermittent manner, so that the saponification reaction liquid on the uppermost first tray is prevented from being excessive, the saponification reaction effect is reduced, meanwhile, the saponification reaction liquid flowing downwards from the uppermost first tray flows downwards in a partial and intermittent manner, and the saponification reaction liquid flowing on each first tray and each second tray flows in a partial manner, so that the excessive saponification reaction liquid on the first tray and the second tray is avoided, and the saponification reaction effect is reduced.
3. According to the improved epichlorohydrin saponification tower, the flow rate of the saponification reaction liquid is controlled, so that the quantity of the saponification reaction liquid flowing on the first tray and the second tray is controlled, and the saponification reaction effect of the saponification reaction liquid can be controlled by controlling the quantity of the saponification reaction liquid on the first tray and the second tray.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of a saponification column of the present invention;
FIG. 2 is an internal construction view of the saponification column of the present invention;
FIG. 3 is a perspective view of a tray set of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3A in accordance with the present invention;
FIG. 5 is a perspective view of another view of the tray set of the present invention;
FIG. 6 is an enlarged view of a portion of the invention at B in FIG. 5;
FIG. 7 is a perspective view of the annular cartridge of the present invention;
FIG. 8 is a perspective view of a ring in the present invention;
FIG. 9 is a cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 10 is an enlarged view of a portion of FIG. 9C in accordance with the present invention;
FIG. 11 is an enlarged view of a portion of the invention at D in FIG. 9;
fig. 12 is an enlarged view of a portion of fig. 9 at E in accordance with the present invention.
In the figure: 1. a saponification tower; 11. a gas phase outlet pipe; 12. a waste liquid outlet pipe; 13. a mixing box; 14. a feed pipe; 15. a feeding tube; 16. a spray head; 17. a rotating drum; 2. a first tray; 21. a first liquid hole; 22. an annular bin; 23. a liquid leakage groove; 24. a connecting rod; 25. a circular ring; 26. an annular groove; 27. an arc-shaped groove; 28. turning plate; 29. a first current limiting block; 3. a second tray; 31. an annular plate; 32. a second liquid hole; 33. a spiral baffle; 34. a second current limiting block; 35. a choke ring; 36. a chute; 37. a slide block; 4. a slip ring; 41. a first gear; 42. a motor; 43. a second gear; 44. an electric telescopic rod; 45. an extension rod; 46. and (3) mounting a plate.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 12, the improved epichlorohydrin saponification tower according to the invention is specifically as follows:
comprises a saponification tower 1; the top of the saponification tower 1 is provided with a gas phase outlet pipe 11; a waste liquid outlet pipe 12 is arranged at the bottom of the saponification tower 1; a mixing box 13 is arranged at the top position inside the saponification tower 1; the outer wall of the mixing box 13 is sleeved with a feed pipe 14 and a feed pipe 15; the inner wall of the mixing box 13 is provided with a stirring mechanism; the bottom of the mixing box 13 is provided with evenly arranged spray heads 16;
a flushing mechanism is arranged on one side of the saponification tower 1; the outer wall of the rotary drum 17 is provided with a scraping and washing mechanism; a rotary drum 17 is arranged in the saponification tower 1, and the rotary drum 17 rotates in the saponification tower 1 through a mounting seat;
tray groups which are uniformly arranged are arranged on the surface of the outer ring of the rotary drum 17, and the structures of each tray group are the same; each tray group comprises a first tray 2 and a second tray 3, and the first tray 2 and the second tray 3 are arranged on the outer ring surface of the revolving drum 17;
the second tray 3 is arranged at a position below the first tray 2; the first tray 2 is a disk which is concave downwards; the second tray 3 is an upward-protruding disc; the first tower tray 2 is provided with first liquid holes 21 which are uniformly distributed at a position close to one side of the rotary drum 17;
the outer ring of the second tray 3 is fixedly connected with an annular plate 31, and the annular plate 31 is inclined upwards; a second liquid hole 32 is formed in one side, close to the annular plate 31, of the second tray 3;
the rotary drum 17 is fixedly connected with a first gear 41 at a position close to the bottom of the saponification tower 1; the bottom of the saponification tower 1 is fixedly connected with a motor 42; a driving rod is fixedly connected to the output shaft of the motor 42 and extends into the saponification tower 1; the driving rod is fixedly connected with a second gear 43, and the second gear 43 is meshed with the first gear 41;
the bottom position inside the saponification tower 1 is fixedly connected with electric telescopic rods 44 which are uniformly arranged; a plurality of electric telescopic rods 44 are fixedly connected with slip rings 4; two extension rods 45 are connected to the slip ring 4 in a sliding manner; the extension rods 45 all penetrate through the tray group and extend to the upper part of the tray group;
the rotary drum 17 is connected with a mounting plate 46 in a sliding manner, and the extension rod 45 is fixedly connected with the extension rod 45; the first tray 2 in each tray group is fixedly connected with an extension rod 45 and is in sliding connection with the rotary drum 17; the second tray 3 in each tray group is fixedly connected to the outer surface of the rotary drum 17;
specifically, when the saponification tower 1 is used, raw materials and saponification liquid are respectively added into a feed pipe 14 and a feed pipe 15, a motor 42 is started, a rotary drum 17 is driven to rotate through a first gear 41 and a second gear 43, meanwhile, the rotary drum 17 drives a second tray 3, a mounting plate 46 and an extension rod 45 to rotate, so that the first tray 2 is driven to rotate, simultaneously, the two extension rods 45 rotate circumferentially on a slip ring 4, after the raw materials and the saponification liquid flow into a mixing box 13, premixing is firstly carried out, then the raw materials and the saponification liquid are sprayed out through evenly arranged spray heads 16, meanwhile, a heater arranged outside the saponification tower 1 heats the saponification tower 1 to generate saponification reaction, epichlorohydrin steam generated by heating is discharged from a gas-phase outlet pipe 11 at the top of the saponification tower 1 and finally conveyed to a condenser to be condensed to obtain an epichlorohydrin crude product, and then waste liquid is discharged from a waste liquid outlet pipe 12 at the bottom end;
when the saponification reaction liquid formed by the raw material and the saponification liquid is sprayed down through the spray head 16, the saponification reaction liquid firstly falls on the first tray 2, then flows towards the central position on the first tray 2, after the saponification reaction liquid flows to the central position of the first tray 2, the saponification reaction liquid downwards flows through the uniformly arranged first liquid holes 21 and then falls on the second tray 3, after the saponification reaction liquid falls on the second tray 3, the saponification reaction liquid downwards flows from the central position of the second tray 3 to the edge position of the second tray 3, and as the outer ring surface of the second tray 3 is fixedly connected with the annular plate 31, the annular plate 31 can prevent the saponification reaction liquid from overflowing from the edge position of the second tray 3, after the saponification reaction liquid moves to the position of the annular plate 31, the saponification reaction liquid downwards flows through the second liquid holes 32, the saponification reaction liquid passing through the second liquid holes 32 falls on the first tray 2 on the next group, then continues downwards flowing, and finally the waste liquid flows out from the waste pipe;
through setting up multiunit tray group, can make saponification reaction liquid flow from the eminence to the low place all the time on first tray 2 and second tray 3, thereby improve the residence time of saponification reaction liquid on first tray 2 and second tray 3, thereby increase the saponification reaction's of saponification reaction liquid time, and then improve the saponification effect of saponification reaction liquid, simultaneously, because first tray 2 and second tray 3 are pivoted again, saponification reaction liquid is from the high in-process that flows to the low place on first tray 2 and second tray 3, first tray 2 and second tray 3 can drive the saponification reaction liquid on first tray 2 and the second tray 3 and remove, thereby finally make the saponification reaction liquid follow the high in-process that flows to the low place along the straight line, can further improve the residence time of saponification reaction liquid at this in-process, thereby improve the effect of saponification reaction.
As shown in fig. 2 and 7, in the specific embodiment, an annular bin 22 is fixedly connected to the upper surface of the first tray 2 close to the mixing box 13 in the vertical direction; the surface of the annular bin 22, which is close to the inner ring of the rotary drum 17, is provided with evenly arranged liquid leakage grooves 23; a connecting rod 24 is fixedly connected below the mixing box 13; the other end of the connecting rod 24 is fixedly connected with a circular ring 25; an annular groove 26 is formed in the annular bin 22, and the annular ring 25 is positioned in the annular groove 26 in an initial state; an arc-shaped groove 27 is formed in the inner wall of the circular ring 25, and the arc-shaped groove 27 is mutually overlapped with the liquid leakage groove 23 in the initial state;
the surface of the outer ring of the circular ring 25 is fixedly connected with a turning plate 28 which is uniformly arranged;
specifically, the saponification reaction liquid sprayed by the spray head 16 falls into the annular bin 22 firstly, the annular bin 22 is driven to rotate in the rotation process of the uppermost first tray 2, the annular ring 25 is fixedly connected with the mixing box 13 through the connecting rod 24, so that each liquid drain groove 23 on the annular bin 22 is sequentially overlapped with the annular groove 26 in the rotation process of the annular bin 22, after the liquid drain groove 23 is overlapped with the annular groove 26, the saponification reaction liquid in the annular bin 22 flows onto the uppermost first tray 2, the flowing saponification reaction liquid is distributed at different positions on the first tray 2 in the sequential overlapping process of each liquid drain groove 23 and the annular groove 26 on the annular bin 22, and then flows sequentially to the middle part of the uppermost first tray 2, in the process, the saponification reaction liquid on the uppermost first tray 2 is prevented from being excessive through the component and the intermittent saponification reaction liquid, so that the saponification reaction liquid on the uppermost first tray 2 is reduced in effect, and the saponification reaction liquid on the first tray 2 is prevented from flowing from the first tray 2 in the component and the second tray 2 is also prevented from flowing more in the component and the saponification reaction liquid on the first tray 2 is also prevented from flowing to the top tray 2;
meanwhile, as the turning plates 28 which are uniformly arranged are fixedly connected to the surface of the outer ring of the circular ring 25, the turning plates 28 can stir the saponification reaction liquid in the circular bin 22 in the rotating process of the circular bin 22, so that the mixing effect of the saponification reaction liquid is further improved.
In a specific embodiment, spiral baffle plates 33 are fixedly connected to the upper surfaces of the first tray 2 and the second tray 3;
specifically, the existence of the spiral baffle 33 allows the saponification reaction liquid flowing from the high position to the low position on the first tray 2 and the second tray 3 to flow along the spiral baffle 33, thereby increasing the retention time of the saponification reaction liquid and improving the saponification reaction effect of the saponification reaction liquid.
In a specific embodiment, the lower surface of each first tray 2 is fixedly connected with first current limiting blocks 29 which are uniformly arranged through long rods, and the first current limiting blocks 29 are positioned above the second liquid holes 32 in an initial state; the upper surface of each second tray 3 is fixedly connected with second current limiting blocks 34 which are uniformly arranged through a long rod, and the second current limiting blocks 34 are positioned below the first liquid holes 21 in an initial state;
the surfaces of the first flow limiting block 29 and the second flow limiting block 34 are smooth;
specifically, when the flow of the saponification reaction liquid flowing out of the annular bin 22 needs to be regulated, the electric telescopic rod 44 is controlled to shrink, the slip ring 4 is driven to move downwards for one end distance, meanwhile, the extension rod 45 and the mounting plate 46 are also driven to move downwards for one end distance, as the first tray 2 is fixedly connected with the extension rod 45, the first tray 2 is driven to move downwards for one section distance, after the first tray 2 moves downwards, the annular bin 22 is driven to move downwards, after the annular bin 22 moves downwards, the liquid leakage groove 23 and the arc groove 27 are staggered for one section distance, so that the overlapping range of the liquid leakage groove 23 and the arc groove 27 can be reduced, the flow of the saponification reaction liquid flowing out of the overlapped arc groove 27 and the liquid leakage groove 23 can be reduced, meanwhile, the first tray 2 moves downwards, the first flow limiting block 29 can be driven to move downwards, the first flow limiting block 29 can be partially stretched into the second liquid hole 32, the second flow limiting block 34 can be partially stretched into the first liquid hole 21 in the process of the first tray 2, the flow of the first tray 21 can be reduced, and the saponification reaction liquid flowing out of the first tray 2 can be controlled, and the saponification reaction liquid flowing out of the first tray 2 can flow 3 can be controlled.
In a specific embodiment, a choke ring 35 is disposed on a side of each first flow limiting block 29 away from the rotary drum 17, and the choke ring 35 is in contact with the second tray 3 in an initial state; a chute 36 which is uniformly arranged is arranged on one side of the choke ring 35 close to the first flow limiting block 29; a sliding block 37 is fixedly connected to one side of each first flow limiting block 29, which is close to the flow blocking ring 35, and the sliding blocks 37 slide in the sliding grooves 36; the sliding blocks 37 are connected with the sliding grooves 36 through springs;
a sealing gasket is fixedly connected to one side, which is attached to the second tray 3, of each choke ring 35;
specifically, when the first current limiting block 29 moves downwards, the choke ring 35 is attached to the second tray 3, the saponification reaction liquid on the second tray 3 can be blocked due to the existence of the choke ring 35, so that the saponification reaction liquid on the second tray 3 is prevented from accumulating too much after the flow of the second liquid hole 32 is reduced, the saponification reaction liquid overflows from the edge position of the second tray 3, when the first current limiting block 29 moves downwards, the sliding block 37 is driven to move downwards in the sliding groove 36, in the process, the first current limiting block 29 can be prevented from being blocked by the choke ring 35 and cannot move downwards, and meanwhile, the sealing degree of the choke ring 35 and the second tray 3 can be improved due to the existence of the sealing gasket.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An improved epichlorohydrin saponification tower comprises a saponification tower (1); a gas phase outlet pipe (11) is arranged at the top of the saponification tower (1); a waste liquid outlet pipe (12) is arranged at the bottom of the saponification tower (1); a mixing box (13) is arranged at the top position inside the saponification tower (1); the outer wall of the mixing box (13) is sleeved with a feeding pipe (14) and a feeding pipe (15); the inner wall of the mixing box (13) is provided with a stirring mechanism; the bottom of the mixing box (13) is provided with evenly arranged spray heads (16);
a flushing mechanism is arranged on one side of the saponification tower (1); the outer wall of the rotary drum (17) is provided with a scraping and washing mechanism; the saponification tower (1) is internally provided with a rotary drum (17), and the rotary drum (17) rotates in the saponification tower (1) through a mounting seat;
tray groups which are uniformly arranged are arranged on the surface of the outer ring of the rotary drum (17), and the structures of each tray group are the same; each tray group comprises a first tray (2) and a second tray (3), and the first tray (2) and the second tray (3) are arranged on the surface of the outer ring of the rotary drum (17);
the second tray (3) is arranged at a position below the first tray (2); the first tray (2) is a disk which is sunken downwards; the second tray (3) is an upward-protruding disc; a first liquid hole (21) which is uniformly arranged is formed in one side position, close to the rotary drum (17), of the first tray (2);
an annular plate (31) is fixedly connected to the outer ring of the second tray (3), and the annular plate (31) is inclined upwards; a second liquid hole (32) is formed in one side, close to the annular plate (31), of the second tray (3);
the rotary drum (17) is fixedly connected with a first gear (41) at a position close to the bottom of the saponification tower (1); a motor (42) is fixedly connected to the bottom of the saponification tower (1); a driving rod is fixedly connected to an output shaft of the motor (42), and extends into the saponification tower (1); the driving rod is fixedly connected with a second gear (43), and the second gear (43) is meshed with the first gear (41);
the bottom of the saponification tower (1) is fixedly connected with electric telescopic rods (44) which are uniformly arranged; a plurality of electric telescopic rods (44) are fixedly connected with slip rings (4); two extension rods (45) are connected to the slip ring (4) in a sliding manner; the extension rods (45) all penetrate through the tray group and extend to the upper part of the tray group;
the rotary drum (17) is connected with a mounting plate (46) in a sliding manner, and the extension rod (45) is fixedly connected with the extension rod (45); the first tray (2) in each tray group is fixedly connected with an extension rod (45) and is in sliding connection with the rotary drum (17); the second tray (3) in each tray group is fixedly connected to the outer surface of the rotary drum (17);
in the vertical direction, an annular bin (22) is fixedly connected to the upper surface of the first tray (2) close to the mixing box (13); the surface of the annular bin (22) close to the inner ring of the rotary drum (17) is provided with liquid leakage grooves (23) which are uniformly distributed; a connecting rod (24) is fixedly connected below the mixing box (13); the other end of the connecting rod (24) is fixedly connected with a circular ring (25); an annular groove (26) is formed in the annular bin (22), and the annular ring (25) is positioned in the annular groove (26) in an initial state; an arc-shaped groove (27) is formed in the inner wall of the circular ring (25), and the arc-shaped groove (27) is mutually overlapped with the liquid leakage groove (23) in the initial state;
the lower surface of each first tray (2) is fixedly connected with first current limiting blocks (29) which are uniformly arranged through long rods, and the first current limiting blocks (29) are positioned above the second liquid holes (32) in an initial state; the upper surface of each second tray (3) is fixedly connected with second flow limiting blocks (34) which are uniformly arranged through long rods, and the second flow limiting blocks (34) are positioned below the first liquid holes (21) in an initial state;
a choke ring (35) is arranged on one side of each first flow limiting block (29) far away from the rotary drum (17), and the choke ring (35) is contacted with the second tray (3) in an initial state; a chute (36) which is uniformly arranged is formed on one side of the choke ring (35) close to the first flow limiting block (29); a sliding block (37) is fixedly connected to one side, close to the choke ring (35), of each first flow limiting block (29), and the sliding blocks (37) slide in the sliding grooves (36); the sliding blocks (37) are connected with the sliding grooves (36) through springs.
2. An improved epichlorohydrin saponification column according to claim 1, characterised in that: the surface of the outer ring of the circular ring (25) is fixedly connected with a turning plate (28) which is uniformly arranged.
3. An improved epichlorohydrin saponification column according to claim 1, characterised in that: the upper surfaces of the first tray (2) and the second tray (3) are fixedly connected with spiral baffle plates (33).
4. An improved epichlorohydrin saponification column according to claim 1, characterised in that: the surfaces of the first flow limiting block (29) and the second flow limiting block (34) are smooth.
5. An improved epichlorohydrin saponification column according to claim 1, characterised in that: and a sealing gasket is fixedly connected to one side, which is attached to the second tray (3), of each choke ring (35).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310601781.9A CN116328695B (en) | 2023-05-26 | 2023-05-26 | Improved generation epoxy chloropropane saponification tower |
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| CN202310601781.9A CN116328695B (en) | 2023-05-26 | 2023-05-26 | Improved generation epoxy chloropropane saponification tower |
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| CN116328695B true CN116328695B (en) | 2023-07-21 |
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| CN117102107B (en) * | 2023-10-20 | 2024-01-19 | 无棣鑫岳化工集团有限公司 | Cleaning mechanism of epoxypropane saponification tower |
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| CN202576380U (en) * | 2012-05-08 | 2012-12-05 | 种传学 | Enamel reaction tower |
| WO2014210291A1 (en) * | 2013-06-28 | 2014-12-31 | Uop Llc | Fluid distribution device for multibed reactors |
| CN204352868U (en) * | 2014-12-19 | 2015-05-27 | 邯郸中棉紫光棉花产业化科技有限公司 | The multistage hybrid reaction tank of a kind of miscella |
| CN114534677A (en) * | 2022-04-22 | 2022-05-27 | 东营市赫邦化工有限公司 | Epoxychloropropane saponification tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202576380U (en) * | 2012-05-08 | 2012-12-05 | 种传学 | Enamel reaction tower |
| WO2014210291A1 (en) * | 2013-06-28 | 2014-12-31 | Uop Llc | Fluid distribution device for multibed reactors |
| CN204352868U (en) * | 2014-12-19 | 2015-05-27 | 邯郸中棉紫光棉花产业化科技有限公司 | The multistage hybrid reaction tank of a kind of miscella |
| CN114534677A (en) * | 2022-04-22 | 2022-05-27 | 东营市赫邦化工有限公司 | Epoxychloropropane saponification tower |
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Denomination of invention: An improved epichlorohydrin saponification tower Effective date of registration: 20231204 Granted publication date: 20230721 Pledgee: Yantai Bank Co.,Ltd. Dongying Branch Pledgor: DONGYING HEBANG CHEMICAL CO.,LTD. Registration number: Y2023980069282 |
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