CN118767465B - A distillation and purification device and distillation and purification method for preparing fluoroethylene carbonate - Google Patents
A distillation and purification device and distillation and purification method for preparing fluoroethylene carbonate Download PDFInfo
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- CN118767465B CN118767465B CN202411237083.6A CN202411237083A CN118767465B CN 118767465 B CN118767465 B CN 118767465B CN 202411237083 A CN202411237083 A CN 202411237083A CN 118767465 B CN118767465 B CN 118767465B
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- 238000000746 purification Methods 0.000 title claims abstract description 31
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title abstract description 19
- 238000004821 distillation Methods 0.000 title abstract 12
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 84
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims description 54
- 239000000758 substrate Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 2
- 239000002000 Electrolyte additive Substances 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D317/42—Halogen atoms or nitro radicals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
- B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
本发明属于精馏提纯技术领域，具体为一种制备氟代碳酸乙烯酯的精馏提纯装置及精馏提纯方法；该精馏提纯装置包括加工台，加工台上设置有精馏设备；精馏设备包括管道，管道的一端连接有精馏塔，另一端连接有冷凝器；加工台上设置有支撑框架，冷凝器和精馏塔对称于支撑框架上；支撑框架上还设置有锁止调距单元；锁止调距单元包括联动方柱，联动方柱的两侧上对称有联动U杆，若干联动U杆共同连接有联动方板，联动方板上设置有消能防晃机构。本发明的精馏提纯装置通过消能防晃机构，避免管道在使用时出现晃动等现象导致蒸汽中含有的被提纯液体中的成分泄露，提升管道在使用时的稳定性以及装置的密封性能，提升装置的精馏提纯效果。
The present invention belongs to the technical field of distillation and purification, specifically a distillation and purification device and a distillation and purification method for preparing fluoroethylene carbonate; the distillation and purification device includes a processing table, on which a distillation device is arranged; the distillation device includes a pipeline, one end of the pipeline is connected to a distillation tower, and the other end is connected to a condenser; a support frame is arranged on the processing table, and the condenser and the distillation tower are symmetrical on the support frame; a locking and adjusting unit is also arranged on the support frame; the locking and adjusting unit includes a linkage square column, on both sides of the linkage square column there are symmetrical linkage U rods, and a plurality of linkage U rods are commonly connected to a linkage square plate, and an energy dissipation and anti-sway mechanism is arranged on the linkage square plate. The distillation and purification device of the present invention uses an energy dissipation and anti-sway mechanism to prevent the pipeline from shaking during use, which may cause leakage of components in the purified liquid contained in the steam, thereby improving the stability of the pipeline during use and the sealing performance of the device, and improving the distillation and purification effect of the device.
Description
Technical Field
The invention belongs to the technical field of rectification and purification, and particularly relates to a rectification and purification device and a rectification and purification method for preparing fluoroethylene carbonate.
Background
The fluoroethylene carbonate is an electrolyte additive for lithium ion batteries, has better performance of forming an SEI film, forms a compact structure layer without increasing impedance, can prevent the electrolyte from being further decomposed and improves the low-temperature performance of the electrolyte, wherein the most important item in the preparation process of the fluoroethylene carbonate is rectification, and the main purpose is to separate products from a reaction mixture by utilizing the boiling point difference between different raw material components, thereby improving the purity of the fluoroethylene carbonate.
In the use process of the existing rectification and purification device for preparing fluoroethylene carbonate, steam generated by heating liquid in a tower flows upwards through a pipeline, the flow speed of the steam is different under the influence of different factors, and the pressure change and the flow mode of the steam in the pipeline are different, so that the steam can impact the pipeline to cause the phenomenon of shaking and the like in the rectification process, the sealing performance of the connection between the pipeline and the tower or a condenser is affected, the stability of the device in use is poor, the limitation of the device in use is strong, and the rectification effect of the device is reduced.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects in the prior art, the invention provides a rectification purification device and a rectification purification method for preparing fluoroethylene carbonate, which effectively solve the problems in the background art.
In order to achieve the aim, the first aspect of the invention provides a rectification and purification device for preparing fluoroethylene carbonate, which comprises a processing table, wherein rectification equipment is arranged on the processing table, the rectification equipment comprises a pipeline, one end of the pipeline is connected with a rectification tower, and the other end of the pipeline is connected with a condenser;
The locking distance adjusting unit comprises a linkage square column, linkage U rods are symmetrically arranged on two sides of the linkage square column, a plurality of linkage U rods are connected with a linkage square plate together, an energy dissipation anti-shaking mechanism is arranged on the linkage square plate and comprises a driving motor, the driving motor is arranged on one side, close to a processing table, of the linkage square plate, and an actuating loading and unloading assembly used for installing the driving motor is further arranged on the linkage square plate.
Preferably, the energy dissipation anti-shaking mechanism further comprises a double-end cam arranged at the output end of the driving motor, two displacement transverse blocks are arranged on the rotating path of the double-end cam and are symmetrical to two sides of the pipeline, and displacement sliding rods are symmetrically arranged on the opposite surfaces of the two displacement transverse blocks.
Preferably, two displacement slide bars on one side of the processing table slide together with a displacement base plate, the displacement base plate is arranged on the linkage square plate, a displacement spring is sleeved on the displacement slide bar, one end of the displacement spring is connected with the displacement base plate, and the other end of the displacement spring is connected with the displacement transverse block.
Preferably, two the displacement transverse block is kept away from the side symmetry of processing platform and is had the square bar of bending, and two square bars of bending of pipeline one side are connected with the energy dissipation diaphragm jointly, and the symmetry has the energy dissipation traveller on the energy dissipation diaphragm, and two energy dissipation travellers are close to the one end of pipeline and are connected with the energy dissipation half-ring plate jointly, the cover is equipped with the energy dissipation spring on the energy dissipation traveller, and the one end and the energy dissipation diaphragm of energy dissipation spring are connected, and the other end is connected with the energy dissipation half-ring plate.
Preferably, two ends of the linkage square column are connected with guide square blocks, the guide square columns slide on the guide square blocks, two ends of the guide square columns are connected with guide bases, the guide bases are arranged on the support frame, the guide square columns are sleeved with guide springs, one ends of the guide springs are connected with the guide bases, the other ends of the guide springs are connected with the guide square blocks, and a plurality of locking slots are formed in opposite faces of the two guide square columns.
Preferably, the top surface and the bottom surface of direction square all are equipped with the substrate of taking a position, are fixed with the cylinder of taking a position on the substrate of taking a position, and it has the square board of taking a position to slide on the cylinder of taking a position, and two square boards of taking a position are connected with the diaphragm of taking a position jointly, and the one side that the square board of taking a position kept away from the direction square is equipped with the pull ring, and the one side that the diaphragm of taking a position is close to the direction square is equipped with the inserted block of taking a position, and the inserted block of taking a position passes direction square and slot connection of taking a position.
Preferably, the locking cylinder is sleeved with a locking spring, one end of the locking spring is connected with the locking square plate, the other end of the locking spring is connected with a locking limiting plate, and the locking limiting plate is arranged at one end, far away from the locking base plate, of the locking cylinder.
Preferably, the inner side wall of the energy dissipation half-ring plate is provided with a buffer cushion, the pipeline is positioned on the moving path of the energy dissipation half-ring plate, and the inner diameter of the energy dissipation half-ring plate is larger than the outer diameter of the pipeline.
Preferably, the actuating assembly comprises a T-shaped square plate arranged on the side surface of the linkage square plate, one side of the T-shaped square plate, far away from the linkage square plate, is provided with a rotating shaft in a rotating way, a rotating gear is arranged on the end point of the rotating shaft, one side of the rotating gear, far away from the T-shaped square plate, is also provided with a rotating ring, two unit moving racks are meshed with the rotating gear, the two unit moving racks are symmetrically arranged along the transverse central axis of the T-shaped square plate, the two unit moving racks are symmetrically provided with rotating square plates, the two rotating square plates are commonly connected with a rotating slide column, the rotating slide column slides on a rotating base plate, the rotating base plate is arranged on the T-shaped square plate, one end of the rotating spring is connected with the rotating base plate in a sleeved mode, and the other end of the rotating spring is connected with the rotating square plate.
The second aspect of the invention provides a rectification and purification method for preparing fluoroethylene carbonate, which uses the rectification and purification device for preparing fluoroethylene carbonate and comprises the following steps:
s1, putting required raw materials into a rectifying tower and heating the raw materials when fluoroethylene carbonate is prepared;
S2, enabling steam generated by heating the raw materials to enter a condenser through a pipeline for purification;
S3, eliminating impact force generated when steam circulates in the pipeline through the energy dissipation anti-shaking mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the energy dissipation transverse plates are driven to move by bending the square rods, so that the energy dissipation transverse plates at two sides of the pipeline continuously face each other and relatively move, the energy dissipation semi-annular plates are enabled to move under the action of the energy dissipation sliding columns and the energy dissipation springs, the energy dissipation semi-annular plates are enabled to continuously contact with the side walls of the pipeline in the moving process, the buffer pads on the energy dissipation semi-annular plates are enabled to continuously contact with the pipeline, when steam flows in the pipeline, the buffer pads can cause shaking of the steam, the impact force can be counteracted by buffer forces caused by the buffer pads and the energy dissipation springs, the phenomenon that the tightness of connection between two ends of the pipeline and a rectifying tower or a condenser is affected in the rectifying process due to shaking of the pipeline in use is avoided, the stability of the pipeline in use and the sealing performance of the device are improved, and the rectifying and purifying effects of the device are improved;
2. According to the invention, the positioning slide bar can be loosened after the installation operation of the driving motor after the device is installed, and the positioning slide bar is driven to move in a resetting way through the resetting of the positioning spring, so that the positioning slide bar is connected with the positioning circular groove, the rotating gear is limited, the rotating spring in a buffer state cannot move in a resetting way, the generated elastic force strengthens the contact strength of the positioning circular groove and the positioning slide bar, and the L-shaped plate is prevented from moving due to non-human factors.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a support frame structure according to the present invention;
FIG. 3 is a schematic view of a positioning circular groove structure in the present invention;
FIG. 4 is a second schematic diagram of the overall structure of the present invention;
FIG. 5 is a diagram of the energy dissipation in the present invention a semi-ring plate structure schematic diagram;
FIG. 6 is an exploded view of the lock block of the present invention;
FIG. 7 is a schematic view of a guide block structure according to the present invention;
FIG. 8 is a schematic diagram of a displacement substrate structure according to the present invention;
FIG. 9 is a schematic view of the internal structure of the removable square tube according to the present invention;
In the figure, 1, a processing table; 2, a pipeline; 3, a rectifying tower; 4, a condenser, 5, a supporting frame, 6, a linkage square column, 7, a linkage U-shaped rod, 8, a linkage square plate, 9, a driving motor, 10, a double-end cam, 11, a displacement transverse block, 12, a displacement sliding rod, 13, a displacement base plate, 14, a displacement spring, 15, a bending square rod, 16, an energy dissipation transverse rod, 17, an energy dissipation sliding column, 18, an energy dissipation half-ring plate, 19, an energy dissipation spring, 20, a guide square block, 21, a guide square column, 22, a guide base, 23, a guide spring, 24, a locking slot, 25, a locking base plate, 26, a locking cylinder, 27, a locking square plate, 28, a locking transverse plate, 29, a pull ring, 30, a locking insert block, 31, a locking spring, 32, a locking limit plate, 33, a buffer cushion, 34, a T-shaped square plate, 35, a rotating shaft, 36, a rotating gear, 37, a rotating ring, 38, a locking moving square column, 39, a square plate, 40, a rotating sliding column, 41, a rotating base plate, 42, a rotating spring, 43, an extension square rod, 44, a square rod, a locking square plate, 45, a locking square plate, 46, a positioning cylinder, a 50, a loading and a positioning cylinder, a 50.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.
As shown in figures 1 to 9, the rectification and purification device for preparing fluoroethylene carbonate comprises a processing table 1, wherein rectification equipment is arranged on the processing table 1, the rectification equipment comprises a pipeline 2, one end of the pipeline 2 is connected with a rectification tower 3, the other end of the pipeline 2 is connected with a condenser 4, a supporting frame 5 is arranged on the processing table 1, the condenser 4 and the rectification tower 3 are symmetrical to the supporting frame 5, and a locking distance adjusting unit is further arranged on the supporting frame 5.
The locking distance adjusting unit comprises a linkage square column 6, linkage U rods 7 are symmetrically arranged on two sides of the linkage square column 6, a plurality of linkage U rods 7 are connected with a linkage square plate 8 together, and an energy dissipation anti-shaking mechanism is arranged on the linkage square plate 8.
The energy dissipation anti-shaking mechanism comprises a driving motor 9, wherein the driving motor 9 is arranged on one side of the linkage square plate 8 close to the processing table 1, and an actuating loading and unloading assembly for installing the driving motor 9 is further arranged on the linkage square plate 8;
The two ends of the linkage square column 6 are connected with a guide square 20, the guide square 20 is provided with a guide square column 21 in a sliding mode, two ends of the guide square column 21 are connected with a guide base 22, the guide base 22 is arranged on the support frame 5, the guide square column 21 is sleeved with a guide spring 23, one end of the guide spring 23 is connected with the guide base 22, the other end of the guide spring is connected with the guide square 20, and a plurality of locking slots 24 are formed in opposite faces of the two guide square columns 21.
And the top surface and the bottom surface of the guide square 20 are respectively provided with a locking base plate 25, a locking cylinder 26 is fixed on the locking base plates 25, locking square plates 27 are slidably arranged on the locking cylinders 26, two locking square plates 27 are jointly connected with a locking transverse plate 28, one side of the locking transverse plate 28, which is far away from the guide square 20, is provided with a pull ring 29, one side of the locking transverse plate 28, which is close to the guide square 20, is provided with a locking insert block 30, the locking insert block 30 penetrates the guide square 20 to be connected with the locking slot 24, a locking spring 31 is sleeved on the locking cylinders 26, one end of the locking spring 31 is connected with the locking square plates 27, the other end of the locking spring is connected with a locking limiting plate 32, and the locking limiting plate 32 is arranged at one end of the locking cylinder 26, which is far away from the locking base plates 25.
It should be noted that, by pulling the pull ring 29 outwards, the locking transverse plate 28 on the locking transverse plate moves on the locking cylinder 26 through the locking square plate 27, so that the locking spring 31 is in a buffered state, and then the locking insert block 30 on the locking transverse plate 28 is separated from the guide square block 20 and is not connected with the locking slot 24 any more, the limiting setting of the guide square block 20 is released, the guide square block 20 is moved to move on the guide square column 21 in a limiting manner, so that the guide spring 23 is in a buffered state, thereby driving the linkage square column 6 to move, and driving the energy dissipation half-ring plate 18 on the energy dissipation anti-shake mechanism arranged on the linkage square column to move, so that the linkage square column can be used in different positions of the pipeline 2, and an operator can focus on the section of the pipeline 2 according to which section of the pipeline 2 is unstable when in use;
When the position of the energy dissipation half-ring plate 18 is adjusted, the pull ring 29 is loosened, the locking transverse plate 28 is driven to reset through the reset of the locking spring 31, so that the locking insert block 30 on the energy dissipation half-ring plate is connected with one of the locking slots 24 through the guide square block 20, the energy dissipation half-ring plate 18 on the linkage square column 6 is limited at the current position, the displacement and other phenomena of the energy dissipation half-ring plate 18 during use are avoided, the stability of the energy dissipation half-ring plate 18 during use is improved, meanwhile, the guide spring 23 in a buffer state cannot reset due to the limiting, the elastic force acts on the guide square block 20, the friction force of the locking insert block 30 in contact with the locking slot 24 is enhanced, the movement of the locking transverse plate 28 due to non-human factors during use is avoided, and the safety of the device during use is improved.
In some specific embodiments, the energy dissipation anti-shake mechanism further comprises a double-end cam 10 arranged at the output end of the driving motor 9, the driving motor 9 adopts a low-speed motor, two displacement transverse blocks 11 are arranged on the rotating path of the double-end cam 10, the two displacement transverse blocks 11 are symmetrical to two sides of the pipeline 2, the opposite surfaces of the two displacement transverse blocks 11 are symmetrically provided with displacement slide bars 12, the two displacement slide bars 12 on one side of the processing table 1 slide together with a displacement substrate 13, the displacement substrate 13 is arranged on the linkage square plate 8, the displacement slide bars 12 are sleeved with a displacement spring 14, one end of the displacement spring 14 is connected with the displacement substrate 13, and the other end of the displacement spring 14 is connected with the displacement transverse blocks 11;
The two displacement transverse blocks 11 are symmetrically provided with bending square rods 15 at one side far away from the processing table 1, the two bending square rods 15 at one side of the pipeline 2 are commonly connected with energy dissipation transverse plates 16, energy dissipation sliding columns 17 are symmetrically arranged on the energy dissipation transverse plates 16, one ends of the two energy dissipation sliding columns 17 close to the pipeline 2 are commonly connected with energy dissipation semi-ring plates 18, the energy dissipation sliding columns 17 are sleeved with energy dissipation springs 19, one ends of the energy dissipation springs 19 are connected with the energy dissipation transverse plates 16, the other ends of the energy dissipation springs are connected with the energy dissipation semi-ring plates 18, buffer pads 33 are arranged on the inner side walls of the energy dissipation semi-ring plates 18, the pipeline 2 is located on a moving path of the energy dissipation semi-ring plates 18, and the inner diameter of the energy dissipation semi-ring plates 18 is larger than the outer diameter of the pipeline 2.
Specifically, the double-end cam 10 is driven to rotate by the driving motor 9, so that the double-end cam is simultaneously contacted with the displacement transverse blocks 11 at two sides during rotation, and is limited to move on the displacement base plate 13 through the displacement slide rod 12, so that the displacement spring 14 is in a buffer state; when the rotating double-end cam 10 is not contacted with the displacement transverse block 11 any more, the displacement transverse block 11 is driven to move in a resetting way through the resetting of the displacement spring 14, the moving speed of the displacement transverse block 11 is also slower due to the fact that the rotating speed of the double-end cam 10 is slower, damage to the pipeline 2 caused by overlarge contact force of the energy dissipation semi-annular plate 18 and the pipeline 2 is avoided, the energy dissipation transverse plate 16 is driven to move under the action of the bending square rod 15, the energy dissipation transverse plates 16 on two sides of the pipeline 2 are enabled to move in opposite directions and relatively, the energy dissipation semi-annular plate 18 is enabled to move under the action of the energy dissipation sliding column 17 and the energy dissipation spring 19, the buffer pad 33 on the energy dissipation semi-annular plate 18 is enabled to be continuously contacted with the pipeline 2 in the moving process, the impact pad 33 is enabled to be in contact with the pipeline 2 when the steam flows in the pipeline 2, the impact force caused by the steam can be offset through the buffer force brought by the 33 and the energy dissipation spring 19, the phenomenon that the impact force is caused by shaking the pipeline 2 in the use process is avoided, the phenomenon that the two ends of the pipeline 2 and the condenser 3 and the condenser 4 are enabled to be enabled to move in opposite directions, the sealing performance of the pipeline 2 is enabled to be affected by the sealing performance of the sealing device in the process of the rectification device is improved, and the stability of the rectification device is improved.
It is worth mentioning that the buffer pad 33 on the energy dissipation semi-annular plate 18 is in reciprocating contact with the side wall of the pipeline 2, so that the position of the pipeline 2 can be monitored, the pipeline 2 can be always used at the current position, deviation and the like of the using position of the pipeline 2 are avoided, deviation of the connecting positions of the two ends of the pipeline 2 and the rectifying tower 3 or the condenser 4 can not occur, the using effect of the device is improved, meanwhile, the pipeline 2, the energy dissipation semi-annular plate 18 and the buffer pad 33 are in dynamic contact, contact surface abrasion is serious due to the fact that the pipeline 2 and the buffer pad 33 are always contacted is avoided, the service life of the device is prolonged, energy generated when the pipeline 2 shakes can be effectively absorbed, and the stability of the device in use is further improved.
In other embodiments, the above-mentioned actuating assembly comprises a T-shaped square plate 34 disposed on the side of the linkage square plate 8, a rotating shaft 35 is rotated on one side of the T-shaped square plate 34 far away from the linkage square plate 8, a rotating gear 36 is mounted on the end of the rotating shaft 35, a rotating ring 37 is further disposed on one side of the rotating gear 36 far away from the T-shaped square plate 34, two moving racks 38 are engaged with the rotating gear 36, the two moving racks 38 are symmetrically disposed along the transverse central axis of the T-shaped square plate 34, rotating square plates 39 are symmetrically disposed on the moving racks 38, rotating slide columns 40 are commonly connected to the two rotating square plates 39, a rotating base plate 41 is slid on the rotating slide columns 40, the rotating base plate 41 is disposed on the T-shaped square plate 34, a rotating spring 42 is sleeved on the rotating slide columns 40, one end of the rotating spring 42 is connected to the rotating base plate 41, and the other end is connected to the rotating square plates 39.
Further, the actuating assembly further comprises two extending square rods 43, the two extending square rods 43 are respectively connected with the two movable racks 38, the two extending square rods 43 are provided with assembly square plates 44, the assembly square plates 44 are symmetrically arranged by taking the driving motor 9 as a central axis, the opposite surfaces of the two assembly square plates 44 are provided with assembly square cylinders 45, the assembly square cylinders 45 are provided with assembly square columns 46 in a sliding manner, the assembly square columns 46 are connected with assembly L plates 47, the driving motor 9 is positioned on a moving path of the assembly L plates 47, rubber pads 48 are arranged on contact surfaces of the assembly L plates 47 and the driving motor 9, the assembly square cylinders 45 are also internally provided with extrusion springs 49, one ends of the extrusion springs 49 are connected with the assembly square columns 46, the other ends of the extrusion springs 49 are connected with the inner bottom surfaces of the assembly square cylinders 45, one sides of the rotary gears 36 close to the T-shaped square plates 34 are provided with a plurality of positioning round grooves 50, one ends of the positioning slide rods 51 far away from the T-shaped square plates 34 are connected with positioning limiting plates 52, one ends of the positioning slide rods 51 are sleeved with positioning springs 53, one ends of the positioning springs 53 are connected with the positioning round plates 52, and the other ends of the positioning slide rods 52 are connected with the positioning slide rods 51 in the moving paths of the positioning round rods 50.
It should be noted that, by pulling the positioning slide bar 51, it makes it move on the T-shaped square plate 34 in a limited manner, so that the positioning spring 53 is in a buffer state, and at the same time, the positioning slide bar 51 is no longer in contact with the positioning circular groove 50, so as to release the limiting setting of the rotating gear 36, and the reset of the rotating spring 42 drives the loading and unloading square plate 44 to move in a reset manner, so that the two extension square rods 43 move relatively, and then the two loading and unloading L plates 47 are no longer in contact with the driving motor 9, so that the limiting setting of the driving motor 9 is released, and the dismounting operation of the driving motor 9 is completed.
And, through placing driving motor 9 on linkage square plate 8, rotate swivel 37, make the rotation gear 36 on it rotate and engage two units and move rack 38 and remove, make it through rotating the slide column 40 and limit on rotating the base plate 41 and remove, make the rotary spring 42 in the buffer state, and drive the loading and unloading square plate 44 through the extension square rod 43 and remove, make two loading and unloading square plates 44 move in opposite directions, drive loading and unloading L board 47 towards driving motor 9 under the effect of loading and unloading square tube 45, loading and unloading square column 46 and extrusion spring 49 and remove, make the side of loading and unloading L board 47 contact with the side of driving motor 9, thus grasp driving motor 9 and set up, and fix it in the current position, thus finish the installation to driving motor 9.
It should be noted that, the above-mentioned setting makes the device to the handling convenient operation of driving motor 9 swift, and the operating personnel of being convenient for maintains or maintains driving motor 9, and this process need not to accomplish with the help of any instrument, is convenient for select assorted driving motor 9 according to actual conditions simultaneously, has promoted the result of use of device.
It is worth mentioning that the bottom surface of loading and unloading L board 47 and the bottom surface contact of driving motor 9, support driving motor 9, avoid its dislocation or drop, the security of device when using has been promoted, the frictional force of driving motor 9 and loading and unloading L board 47 contact has been increased simultaneously through the rubber pad 48 that is equipped with, continue the removal through position movable rack 38 and make loading and unloading square cylinder 45 spacing removal on loading and unloading square column 46, make extrusion spring 49 be in the state of buffering, the intensity of loading and unloading L board 47 and driving motor 9 contact has been strengthened, the installation effect to driving motor 9 has been promoted.
And, after the installation of the device is completed, through loosening the positioning slide rod 51 after the installation operation of the driving motor 9, the positioning slide rod 51 is driven to reset and move through the reset of the positioning spring 53, so that the positioning slide rod 51 is connected with the positioning circular groove 50, and the rotating gear 36 is limited, so that the rotating spring 42 in a buffer state cannot reset and move, the generated elastic force strengthens the contact strength of the positioning circular groove 50 and the positioning slide rod 51, and the problem that the loading and unloading L plate 47 moves due to non-human factors is avoided.
The second aspect of the invention also provides a rectification purification method for preparing fluoroethylene carbonate, comprising the following steps:
s1, putting required raw materials into a rectifying tower 3 and heating the raw materials when fluoroethylene carbonate is prepared;
S2, steam generated by heating the raw materials enters a condenser 4 through a pipeline 2 for purification;
S3, the impact force generated when the steam circulates in the pipeline 2 can be eliminated through the energy dissipation anti-shaking mechanism.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The rectification and purification device for preparing fluoroethylene carbonate comprises a processing table (1), wherein rectification equipment is arranged on the processing table (1), the rectification equipment comprises a pipeline (2), one end of the pipeline (2) is connected with a rectification tower (3), and the other end of the pipeline is connected with a condenser (4), and the rectification and purification device is characterized in that a supporting frame (5) is arranged on the processing table (1), the condenser (4) and the rectification tower (3) are symmetrical to the supporting frame (5), and a locking distance adjusting unit is further arranged on the supporting frame (5);
The locking distance adjusting unit comprises a linkage square column (6), linkage U rods (7) are symmetrically arranged on two sides of the linkage square column (6), a plurality of linkage U rods (7) are connected with a linkage square plate (8) together, and an energy dissipation and anti-shaking mechanism is arranged on the linkage square plate (8), wherein the energy dissipation and anti-shaking mechanism comprises a driving motor (9), the driving motor (9) is arranged on one side, close to a processing table (1), of the linkage square plate (8), and an actuating assembly and disassembly assembly for installing the driving motor (9) is further arranged on the linkage square plate (8);
The energy dissipation anti-shaking mechanism further comprises a double-end cam (10) arranged at the output end of the driving motor (9), two displacement transverse blocks (11) are arranged on the rotating path of the double-end cam (10), the two displacement transverse blocks (11) are symmetrical to two sides of the pipeline (2), and displacement sliding rods (12) are symmetrically arranged on the opposite surfaces of the two displacement transverse blocks (11);
Two displacement slide bars (12) on one side of the processing table (1) slide together with a displacement substrate (13), and the displacement substrate (13) is arranged on the linkage square plate (8), wherein a displacement spring (14) is sleeved on the displacement slide bars (12), one end of the displacement spring (14) is connected with the displacement substrate (13), and the other end is connected with the displacement transverse block (11);
Two displacement transverse blocks (11) are symmetrically provided with bending square rods (15) at one side far away from the processing table (1), two bending square rods (15) at one side of the pipeline (2) are commonly connected with energy dissipation transverse plates (16), energy dissipation sliding columns (17) are symmetrically arranged on the energy dissipation transverse plates (16), one ends of the two energy dissipation sliding columns (17) close to the pipeline (2) are commonly connected with energy dissipation half-ring plates (18), energy dissipation springs (19) are sleeved on the energy dissipation sliding columns (17), one ends of the energy dissipation springs (19) are connected with the energy dissipation transverse plates (16), and the other ends of the energy dissipation springs are connected with the energy dissipation half-ring plates (18);
The two ends of the linkage square column (6) are connected with guide square blocks (20), the guide square columns (21) slide on the guide square blocks (20), the two ends of the guide square columns (21) are connected with guide bases (22), the guide bases (22) are arranged on the supporting frame (5), guide springs (23) are sleeved on the guide square columns (21), one ends of the guide springs (23) are connected with the guide bases (22), the other ends of the guide springs are connected with the guide square columns (20), and a plurality of locking slots (24) are formed in opposite faces of the two guide square columns (21);
All be equipped with the substrate of locking position (25) on the top surface and the bottom surface of direction square (20), be fixed with cylinder of locking position (26) on the substrate of locking position (25), it has square board of locking position (27) to slide on cylinder of locking position (26), two square boards of locking position (27) are connected with the diaphragm of locking position (28) jointly, one side that direction square (20) was kept away from to diaphragm of locking position (28) is equipped with pull ring (29), one side that direction square (20) was close to diaphragm of locking position (28) is equipped with locking position inserted block (30), locking position inserted block (30) pass direction square (20) and are connected with slot of locking position (24).
2. The rectification and purification device for preparing fluoroethylene carbonate according to claim 1, wherein the locking cylinder (26) is sleeved with a locking spring (31), one end of the locking spring (31) is connected with the locking square plate (27), the other end of the locking spring is connected with a locking limiting plate (32), and the locking limiting plate (32) is arranged at one end, far away from the locking base plate (25), of the locking cylinder (26).
3. The rectification and purification device for preparing fluoroethylene carbonate according to claim 1, wherein a buffer pad (33) is arranged on the inner side wall of the energy dissipation half-ring plate (18), the pipeline (2) is positioned on the moving path of the energy dissipation half-ring plate (18), and the inner diameter of the energy dissipation half-ring plate (18) is larger than the outer diameter of the pipeline (2).
4. The rectification purification device for preparing fluoroethylene carbonate according to claim 1, wherein the actuation assembly and disassembly component comprises a T-shaped square plate (34) arranged on the side surface of the linkage square plate (8), a rotating shaft (35) is arranged on one side, far away from the linkage square plate (8), of the T-shaped square plate (34), a rotating gear (36) is arranged on the end point of the rotating shaft (35), a rotating ring (37) is further arranged on one side, far away from the T-shaped square plate (34), of the rotating gear (36), two movable racks (38) are meshed with each other, the two movable racks (38) are symmetrically arranged along the transverse central axis of the T-shaped square plate (34), rotating square plates (39) are symmetrically arranged on the movable racks (38), rotating sliding columns (40) are connected with each other, rotating base plates (41) are arranged on the rotating sliding columns (40), rotating springs (42) are arranged on the end points of the rotating columns (40), one ends of the rotating springs (42) are connected with the rotating square plates (41), and the other ends of the rotating square plates are connected with the rotating square plates (39).
5. A rectification and purification method for producing fluoroethylene carbonate, using the rectification and purification apparatus for producing fluoroethylene carbonate according to claim 1, characterized by comprising the steps of:
s1, putting required raw materials into a rectifying tower (3) and heating the raw materials when fluoroethylene carbonate is prepared;
S2, enabling steam generated by heating the raw materials to enter a condenser (4) through a pipeline (2) for purification;
S3, the impact force generated when the steam circulates in the pipeline (2) can be eliminated through the energy dissipation anti-shaking mechanism.
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| FR3044003B1 (en) * | 2015-11-24 | 2017-12-01 | Leaudelair Sa | METHOD AND DEVICE FOR TREATING CONDENSED WATER FROM WATER VAPOR CONTAINED IN AIR, METHOD AND SYSTEM FOR GENERATING DRINKING WATER THEREFOR. |
| KR101817474B1 (en) * | 2017-06-27 | 2018-01-10 | 정현봉 | Apparatus for vibration reducing of pipe |
| CN220899553U (en) * | 2023-09-19 | 2024-05-07 | 薏舟（上海）化工科技有限公司 | Rectifying column for pesticide production and preparation |
| CN117537721B (en) * | 2024-01-09 | 2024-03-26 | 武汉海德龙仪表科技有限公司 | Length detection device and method for liquid level meter |
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| CN216259175U (en) * | 2021-11-25 | 2022-04-12 | 济南三达信科技有限公司 | A styrene rectification polymerization inhibitor purification device |
| CN117564642A (en) * | 2023-12-07 | 2024-02-20 | 深圳市互联时空科技有限公司 | Robot automatic assembly device and method for server cabinet plate |
| CN117405463A (en) * | 2023-12-15 | 2024-01-16 | 泉州医学高等专科学校 | Sampling device and method for pharmaceutical liquid preparation tank of biological laboratory |
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