CN119455423B - Methoxyacetic acid methyl ester removing device for preparing methoxyacetic acid and application method thereof - Google Patents
Methoxyacetic acid methyl ester removing device for preparing methoxyacetic acid and application method thereof Download PDFInfo
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- CN119455423B CN119455423B CN202510029460.5A CN202510029460A CN119455423B CN 119455423 B CN119455423 B CN 119455423B CN 202510029460 A CN202510029460 A CN 202510029460A CN 119455423 B CN119455423 B CN 119455423B
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- 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
- B01D3/10—Vacuum distillation
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- 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
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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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
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Abstract
The invention discloses a methoxy methyl acetate removing device for preparing methoxy acetic acid and a using method thereof, belonging to the technical field of methoxy acetic acid preparation. The invention discloses a methoxy methyl acetate removing device for preparing methoxy acetic acid, which comprises a base, a driving part, lifting parts and a swinging mechanism, wherein the driving part comprises a driving motor fixedly arranged in the base and a driving shaft connected with an output shaft of the driving motor, the outer side of the driving shaft is connected with a mounting frame, the lifting parts are provided with two groups of lifting parts and are arranged on two sides of the mounting frame, each group of lifting parts is connected with a transverse moving assembly, a tank body is arranged between the two transverse moving assemblies, a heating cavity with an electric heating element is arranged in the tank body, and the swinging mechanism is arranged on the mounting frame and used for driving the mounting frame to swing back and forth relative to the driving shaft.
Description
Technical Field
The invention relates to the technical field of preparation of methoxyacetic acid, in particular to a methoxyacetic acid methyl ester removing device for preparing methoxyacetic acid and a using method thereof.
Background
The methoxyacetic acid is a chemical substance, the chemical formula is C3H6O3, the molecular weight is 90.08, and the methoxyacetic acid methyl ester removing device for preparing methoxyacetic acid is equipment for removing methoxyacetic acid methyl ester to obtain methoxyacetic acid, wherein the whole removing equipment comprises distillation equipment and the like.
In the prior art, as disclosed in the patent application number CN202222065962.8, a methoxy methyl acetate removing device for preparing methoxy acetic acid and the patent application number CN202021534192.1, both the stirring blades are controlled to axially move in the stirring process so as to fully mix materials to improve the processing efficiency, but in the specific operation process, only the stirring blades are controlled to axially move along the driving shaft when rotating, so that the materials in the tank body only flow and mix around the circumference of the interior of the tank body, the uniform heating efficiency of the materials is still low, and the purity and the fractionation efficiency of the fractionated products are reduced.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a methoxyacetic acid methyl ester removing device for preparing methoxyacetic acid and a using method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
methyl methoxyacetate remove device for preparation methoxy acetic acid, including the base, still include:
the driving part comprises a driving motor fixedly arranged in the base and a driving shaft connected with an output shaft of the driving motor, and the outer side of the driving shaft is connected with a mounting frame;
The lifting parts are provided with two groups and are arranged on two sides of the mounting frame, each group of lifting parts is connected with a transverse moving assembly, a tank body is arranged between the two transverse moving assemblies, and a heating cavity with an electric heating part arranged inside is formed in the tank body;
The swinging mechanism is arranged on the mounting frame and used for driving the mounting frame to swing back and forth relative to the driving shaft;
the tank body is provided with a feeding pipe, a discharging pipe, an exhaust pipe and a guide pipe, and the guide pipe is provided with a vacuum pump.
Preferably, the drive shaft outside is connected with the drive gear who rotates on the mounting bracket, the mounting bracket inside wall has set firmly fixed ring gear, the meshing is connected with movable gear between fixed ring gear and the drive gear, it is connected with the swivel becket to rotate on the mounting bracket, elevating system sets up on the swivel becket and links to each other with movable gear.
Preferably, the lifting part comprises a lifting rod which is rotationally connected to the rotating ring and connected with the movable gear, a sleeve which is in threaded connection with the outer side of the lifting rod and a connecting piece which is connected with the sleeve, the connecting piece is connected with the transverse moving assembly, and the lifting rod comprises a reciprocating screw rod fixedly connected with the movable gear and a first elastic telescopic rod fixedly connected with the reciprocating screw rod.
Preferably, the transverse moving assembly comprises a first bevel gear fixedly arranged at the end part of the first elastic telescopic rod, a fixed rod fixedly arranged on the first bevel gear and a transverse moving rod movably arranged between the fixed rod and the tank body.
Preferably, the connecting piece comprises a connecting rod fixedly connected with the sleeve and a connecting plate connected with one end, far away from the sleeve, of the connecting rod, and the connecting plate is rotationally connected with the first bevel gear.
Preferably, the stirring rod is rotatably connected in the tank body, stirring blades are arranged on the stirring rod, an L-shaped plate is movably connected between the end part of the stirring rod and the first bevel gear, and a second bevel gear meshed with the first bevel gear is arranged at the end part of the stirring rod.
Preferably, the puddler includes the mobile jib body that links to each other with the second bevel gear and the sleeve pipe that the cover is established in the external side of mobile jib and links to each other with the jar body, the external side of mobile jib has set firmly the gib block, the gliding guide way of gib block has been seted up to the sleeve pipe inner wall, be provided with the connecting axle that links to each other with the stirring leaf on the mobile jib body, set up the shrinkage pool that is used for the connecting axle activity on the sleeve pipe, be provided with driven gear on the connecting axle, the shrinkage pool inner wall is provided with the rack board with driven gear engagement.
Preferably, the swing mechanism comprises a stress block fixedly arranged on the inner wall of the mounting frame, a supporting rod which is movably propped against the stress block is arranged on the driving shaft, a ball body is fixedly arranged on the driving shaft, a ball sleeve matched with the ball body is arranged on the mounting frame, a second elastic telescopic rod is movably arranged between the bottom of the mounting frame and the top of the base, a plurality of third elastic telescopic rods are uniformly arranged on the outer side of the driving shaft in a circumference manner, and one end, away from the driving shaft, of each third elastic telescopic rod is connected with the driving gear.
Preferably, the bottom of the abutting rod is provided with a ball, and the top of the stress block is provided with an extrusion inclined plane which is movably abutted against the ball.
The invention also discloses a using method of the methoxy methyl acetate removing device for preparing methoxy acetic acid, which comprises the following steps:
S1, firstly, enabling an electric heating element in a heating cavity to work, heating materials in a tank body through the heating cavity, and then controlling a vacuum pump to operate, wherein the vacuum pump pumps the tank body into a vacuum state through a guide pipe;
s2, subsequently controlling a driving motor to run, driving a driving shaft to rotate by an output shaft of the driving motor, and pressing an inclined plane by an abutting rod at the outer side through a ball and a stress block when a driving gear rotates, so that the mounting frame swings relative to the driving shaft, and further, each end of a tank body arranged at the upper side of the mounting frame is lifted and lowered intermittently, and materials in the tank body flow from one end to the other end;
S3, when the driving shaft rotates, the driving gear can be driven to rotate in the mounting frame through the third elastic telescopic rod, the driving gear is matched with the fixed toothed ring to drive the movable gear to move in the mounting frame, so that the tank body rotates around the central axis of the driving shaft, and when the movable gear moves, the movable gear drives the reciprocating screw on the rotating ring to rotate, and the sleeve axially moves along the reciprocating screw;
S4, when the sleeve moves up along the reciprocating screw rod, the sleeve drives the tank body to move up through the connecting piece and the traversing assembly, and when the sleeve moves down along the reciprocating screw rod, the sleeve drives the tank body to move down through the connecting piece and the traversing assembly, so that materials in the tank body can be subjected to disturbance forces in multiple directions;
S5, driving a first bevel gear to rotate through a first elastic telescopic rod when the reciprocating screw rod rotates, driving the tank body to shake back and forth between the two sideslip assemblies through a fixed rod and the sideslip rod when the first bevel gear rotates, and meshing with a second bevel gear when the first bevel gear rotates, so that the stirring rod drives the stirring blade to rotate in the tank body, and the stirring blade is matched with the reciprocating shaking tank body, so that the stirring blade can stir and mix materials at different positions in the tank body, the materials are heated uniformly in the tank body, and products are quickly fractionated.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the methoxy methyl acetate removing device for preparing methoxy acetic acid and the application method thereof, the materials in the tank body are subjected to the disturbing forces in multiple directions, so that the materials in the tank body are heated sufficiently and uniformly, the fractionation efficiency is ensured, and the purity of the fractionated products is improved;
2. According to the methoxy methyl acetate removing device for preparing methoxy acetic acid and the application method thereof, when the tank body moves transversely relative to the stirring rod, the sleeve and the main rod move relatively, the rack plate on the sleeve is meshed with the driven gear on the connecting shaft for transmission, so that the stirring blade can rotate around the connecting shaft when rotating around the stirring rod in the axial direction, disturbance of materials in different directions in the tank body is realized, heating of the product is accelerated, and the fractionation rate of the product is improved;
3. According to the methoxy methyl acetate removing device for preparing methoxy acetic acid and the application method thereof, the stirring blade is rotated from bottom to top, so that the stirring blade can stir materials deposited on the lower side of the tank body, the materials deposited on the lower side of the tank body can continuously participate in mixing operation, the materials in the tank body are heated uniformly, and the fractionation quality of products is ensured.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a partially enlarged schematic illustration of the structure of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is a second schematic diagram of the structure of the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of the present invention;
FIG. 5 is a partially enlarged schematic illustration of the structure of portion B of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view of a partial cross-sectional structure of the mounting bracket of the present invention;
FIG. 7 is a schematic view of the outer structure of the lifting rod of the present invention;
FIG. 8 is a schematic view of the overall structure of the can of the present invention;
FIG. 9 is a schematic cross-sectional view of a can according to the present invention;
FIG. 10 is a schematic cross-sectional view of a sleeve according to the present invention;
Fig. 11 is a schematic view of a part of the structure of the stirring rod of the present invention.
In the figure, 1, a base, 2, a driving motor, 201, a driving shaft, 2011, a sphere, 202, a driving gear, 3, a mounting rack, 301, a fixed toothed ring, 302, a movable gear, 303, a rotating ring, 4, a tank body, 401, a heating cavity, 402, a feeding pipe, 403, a discharging pipe, 404, an exhaust pipe, 405, a conduit, 4051, a vacuum pump, 5, a lifting rod, 501, a sleeve, 502, a connecting piece, 5021, a connecting rod, 5022, a connecting plate, 503, a reciprocating screw rod, 504, a first elastic telescopic rod, 6, a first bevel gear, 601, a fixed rod, 602, a traversing rod, 7, a stirring rod, 701, a main rod body, 7011, a guide bar, 702, a sleeve, 7021, a guide groove, 703, a connecting shaft, 7031, a driven gear, stirring blades, 705, a concave hole, 7051, a toothed plate, 8, L, 801, a second bevel gear, 9, a stress block, 10, a supporting rod, 1001, a ball, 11, a ball sleeve, 12, a second elastic telescopic rod and 13, a third elastic telescopic rod are shown.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1 referring to fig. 1, 3, 4, 6, 7, 8 and 9, a methyl methoxyacetate removal apparatus for preparing methoxyacetic acid comprises a base 1, and further comprises:
The driving part comprises a driving motor 2 fixedly arranged in the base 1 and a driving shaft 201 connected with an output shaft of the driving motor 2, and a mounting frame 3 is connected to the outer side of the driving shaft 201;
Lifting parts are provided with two groups and are arranged on two sides of the mounting frame 3, each group of lifting parts is connected with a transverse moving assembly, a tank body 4 is arranged between the two transverse moving assemblies, and a heating cavity 401 with an electric heating element arranged inside is formed in the tank body 4;
the swinging mechanism is arranged on the mounting frame 3 and is used for driving the mounting frame 3 to swing back and forth relative to the driving shaft 201;
wherein, be provided with filling tube 402, discharging pipe 403, blast pipe 404 and pipe 405 on jar body 4, be provided with vacuum pump 4051 on the pipe 405.
Specifically, firstly, the electric heating element in the heating cavity 401 is made to work, the material in the tank body 4 is heated through the heating cavity 401, then the vacuum pump 4051 is controlled to operate, the vacuum pump 4051 pumps the tank body 4 into a vacuum state through the guide pipe 405, then the driving motor 2 of the driving part is controlled to operate, the output shaft of the driving motor 2 drives the mounting frame 3 to rotate through the driving shaft 201, the lifting part, the swinging mechanism and the transverse moving assembly are made to act, the material in the tank body 4 is subjected to disturbing forces in multiple directions, the material in the tank body 4 is fully and uniformly heated, the fractionation efficiency is ensured, and the purity of the fractionated product is improved.
In example 2 referring to fig. 1,2, 3, 4, 5, 6, 7 and 8, a methyl methoxyacetate removing apparatus for preparing methoxyacetic acid is further provided, based on example 1, a driving gear 202 rotating on a mounting frame 3 is connected to an outer side of a driving shaft 201, a fixed gear ring 301 is fixedly provided on an inner side wall of the mounting frame 3, a movable gear 302 is engaged and connected between the fixed gear ring 301 and the driving gear 202, a rotating ring 303 is rotatably connected to the mounting frame 3, and a lifting part is provided on the rotating ring 303 and connected to the movable gear 302.
The lifting part comprises a lifting rod 5 which is rotationally connected to the rotating ring 303 and connected with the movable gear 302, a sleeve 501 which is in threaded connection with the outer side of the lifting rod 5, and a connecting piece 502 which is connected with the sleeve 501, wherein the connecting piece 502 is connected with the traversing assembly, and the lifting rod 5 comprises a reciprocating screw rod 503 fixedly connected with the movable gear 302 and a first elastic telescopic rod 504 fixedly connected with the reciprocating screw rod 503.
The traversing assembly comprises a first bevel gear 6 fixed at the end of a first elastic telescopic rod 504, a fixed rod 601 fixed on the first bevel gear 6 and a traversing rod 602 movably arranged between the fixed rod 601 and the tank body 4.
The connecting piece 502 comprises a connecting rod 5021 fixedly connected with the sleeve 501 and a connecting plate 5022 connected with one end, far away from the sleeve 501, of the connecting rod 5021, and the connecting plate 5022 is rotatably connected with the first bevel gear 6.
Specifically, drive gear 202 is driven to rotate in mounting bracket 3 when drive shaft 201 rotates, drive gear 202 cooperates fixed ring gear 301 to drive movable gear 302 to remove in mounting bracket 3, make jar body 4 rotate around drive shaft 201 central axis, and reciprocating screw 503 on the drive rotary ring 303 is rotated when movable gear 302 removes, sleeve 501 moves along reciprocating screw 503 axial, when sleeve 501 moves up along reciprocating screw 503, sleeve 501 drives jar body 4 through connecting piece 502 and sideslip subassembly and moves up, sleeve 501 moves down along reciprocating screw 503, sleeve 501 drives jar body 4 through connecting piece 502 and sideslip subassembly and moves down, first elastic telescopic rod 504 is compressed, reciprocating screw 503 still drives first bevel gear 6 through first elastic telescopic rod 504 when rotating, first bevel gear 6 promotes jar body 4 through dead lever 601 and sideslip pole 602 and rocks between two sideslip subassemblies, make jar material in 4 can receive the disturbing force of a plurality of directions, and then make the product fractionation rate fast, improve the product fractionation.
In example 3 referring to fig. 1,2,3, 4, 8 and 9, in addition to example 2, a stirring rod 7 is rotatably connected to the tank 4, stirring blades 704 are provided on the stirring rod 7, an L-shaped plate 8 is movably connected between the end of the stirring rod 7 and the first bevel gear 6, and a second bevel gear 801 engaged with the first bevel gear 6 is provided at the end of the stirring rod 7.
Specifically, the reciprocating screw rod 503 drives first bevel gear 6 through first elasticity telescopic link 504 when rotating, first bevel gear 6 is rotatory to make a round trip to rock between two sideslip subassemblies through dead lever 601 and sideslip pole 602 promotion jar body 4 when rotating, first bevel gear 6 is rotatory when with second bevel gear 801 meshing, make puddler 7 drive stirring leaf 704 rotate in jar body 4, the jar body 4 of reciprocal rocking of cooperation, make stirring leaf 704 can stir the material of different positions in jar body 4 and mix, improve its stirring working range, accelerate the material and be heated evenly in jar body 4, and then make the product fractional distillation get out, and jar body 4 level is placed, through making stirring leaf 704 upwards stir the material of deposit in jar body 4 downside, make the sustainable mixed work of taking part in of material of deposit in jar body 4 downside, make the material in jar body 4 be heated evenly, guarantee the fractional distillation quality of product.
Embodiment 4 referring to fig. 9, 10 and 11, a methoxy methyl acetate removing apparatus for preparing methoxy acetic acid is provided, further, based on embodiment 3, a stirring rod 7 includes a main rod body 701 connected to a second bevel gear 801 and a sleeve 702 sleeved outside the main rod body 701 and connected to the tank body 4, a guide bar 7011 is fixedly provided outside the main rod body 701, a guide groove 7021 for sliding the guide bar 7011 is provided on the inner wall of the sleeve 702, a connecting shaft 703 connected to the stirring blade 704 is provided on the main rod body 701, a concave hole 705 for moving the connecting shaft 703 is provided on the sleeve 702, a driven gear 7031 is provided on the connecting shaft 703, and a rack plate 7051 meshed with the driven gear 7031 is provided on the inner wall of the concave hole 705.
Specifically, the mobile jib body 701 can slide relative sleeve pipe 702 when sideslip subassembly during operation, and rack plate 7051 on sleeve pipe 702 meshes the transmission with driven gear 7031 on connecting axle 703, and then can rotate around connecting axle 703 when making stirring leaf 704 rotate around puddler 7 axial, realizes the disturbance of material in the different directions in jar body 4 for the product mixes, makes it be heated evenly, improves the product fractionation rate.
Embodiment 5 referring to fig. 1,3, 4 and 5, on the basis of embodiment 4, further, the swing mechanism comprises a stress block 9 fixedly arranged on the inner wall of a mounting frame 3, a supporting rod 10 movably propped against the stress block 9 is arranged on a driving shaft 201, a ball 2011 is fixedly arranged on the driving shaft 201, a ball sleeve 11 matched with the ball 2011 is arranged on the mounting frame 3, a second elastic telescopic rod 12 is movably arranged between the bottom of the mounting frame 3 and the top of the base 1, a plurality of third elastic telescopic rods 13 are uniformly arranged on the outer side of the driving shaft 201 in a circumference manner, and one end, far away from the driving shaft 201, of each third elastic telescopic rod 13 is connected with a driving gear 202.
Further, a ball 1001 is provided at the bottom of the abutting rod 10, and an extrusion inclined plane movably abutting against the ball 1001 is provided at the top of the force-receiving block 9.
Specifically, through controlling driving motor 2 operation, driving motor 2's output shaft drives the rotation of drive shaft 201, the butt pole 10 in the outside is pressed through ball 1001 and atress piece 9 extrusion inclined plane when driving gear 202 is rotatory, mounting bracket 3 moves in the spheroid 2011 outside through ball cover 11 for mounting bracket 3 swing relative drive shaft 201, thereby the jar body 4 each end that makes the mounting bracket 3 upside set up is intermittently raised and is reduced, the material in the jar body 4 flows by one end to the other end, further make jar body 4 in the material fully and evenly be heated, thereby guarantee fractionation efficiency, improve the product purity of fractionating and going out.
The invention also discloses a using method of the methoxy methyl acetate removing device for preparing methoxy acetic acid, which comprises the following steps:
S1, firstly, an electric heating element in a heating cavity 401 is operated, materials in a tank body 4 are heated through the heating cavity 401, then a vacuum pump 4051 is controlled to operate, and the vacuum pump 4051 pumps the tank body 4 into a vacuum state through a conduit 405;
S2, subsequently controlling the driving motor 2 to run, wherein an output shaft of the driving motor 2 drives the driving shaft 201 to rotate, and when the driving gear 202 rotates, the outer abutting rod 10 presses against the inclined plane through the ball 1001 and the stress block 9, so that the mounting frame 3 swings relative to the driving shaft 201, and each end of the tank body 4 arranged on the upper side of the mounting frame 3 is lifted and lowered intermittently, so that materials in the tank body 4 flow from one end to the other end;
S3, when the driving shaft 201 rotates, the driving gear 202 can be driven to rotate in the mounting frame 3 through the third elastic telescopic rod 13, the driving gear 202 is matched with the fixed toothed ring 301 to drive the movable gear 302 to move in the mounting frame 3, so that the tank 4 rotates around the central axis of the driving shaft 201, and when the movable gear 302 moves, the reciprocating screw rod 503 on the rotating ring 303 is driven to rotate, and the sleeve 501 moves axially along the reciprocating screw rod 503;
s4, when the sleeve 501 moves up along the reciprocating screw rod 503, the sleeve 501 drives the tank body 4 to move up through the connecting piece 502 and the traversing assembly, and when the sleeve 501 moves down along the reciprocating screw rod 503, the sleeve 501 drives the tank body 4 to move down through the connecting piece 502 and the traversing assembly, so that materials in the tank body 4 can be subjected to disturbance forces in multiple directions;
S5, when the reciprocating screw rod 503 rotates, the first bevel gear 6 is driven to rotate through the first elastic telescopic rod 504, when the first bevel gear 6 rotates, the tank body 4 is pushed to shake back and forth between the two sideslip assemblies through the fixed rod 601 and the sideslip rod 602, when the first bevel gear 6 rotates, the stirring rod 7 is meshed with the second bevel gear 801, the stirring blade 704 is driven to rotate in the tank body 4, and the stirring blade 704 is matched with the reciprocating tank body 4, so that materials at different positions in the tank body 4 can be stirred and mixed by the stirring blade 704, the materials are heated uniformly in the tank body 4, and products are rapidly fractionated.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510029460.5A CN119455423B (en) | 2025-01-08 | 2025-01-08 | Methoxyacetic acid methyl ester removing device for preparing methoxyacetic acid and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510029460.5A CN119455423B (en) | 2025-01-08 | 2025-01-08 | Methoxyacetic acid methyl ester removing device for preparing methoxyacetic acid and application method thereof |
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| CN119455423A CN119455423A (en) | 2025-02-18 |
| CN119455423B true CN119455423B (en) | 2025-05-02 |
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| CN202510029460.5A Active CN119455423B (en) | 2025-01-08 | 2025-01-08 | Methoxyacetic acid methyl ester removing device for preparing methoxyacetic acid and application method thereof |
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| CN (1) | CN119455423B (en) |
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| CA1292179C (en) * | 1985-05-29 | 1991-11-19 | Frank Clark Silvey | De-entrainment chimney for separating liquid droplets from vapour stream |
| CN115738341A (en) * | 2022-12-22 | 2023-03-07 | 蚌埠旭辰节能工程管理有限公司 | Method and device for separating and purifying waste acetic acid |
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| DE10118443A1 (en) * | 2001-04-12 | 2002-10-17 | Bokela Ing Gmbh | Material separation comprises feeding material mixture in flow direction running parallel to gravitational field through channel, and conveying scrubbing liquid |
| CN213667976U (en) * | 2020-07-29 | 2021-07-13 | 漯河豫博生物化工有限公司 | A kind of device for removing methyl methoxyacetate for preparing methoxyacetic acid |
| CN216703386U (en) * | 2021-11-15 | 2022-06-10 | 大连宝捷化工科技有限公司 | Reaction kettle for toluene rectification |
| CN217511202U (en) * | 2022-04-26 | 2022-09-30 | 山东松盛新材料有限公司 | Control device for high-purity carboxylic ester rectification |
| CN218249644U (en) * | 2022-08-08 | 2023-01-10 | 丹江口市御景生物医药有限公司 | Methyl methoxyacetate removing device for preparing methoxyacetic acid |
| CN115445564B (en) * | 2022-08-25 | 2023-09-15 | 浙江亿普新材料科技有限公司 | Method and equipment for preparing vinylene carbonate by one-pot method |
| CN115770401B (en) * | 2022-12-05 | 2023-08-18 | 徐州龙兴泰能源科技有限公司 | Extraction device for methanol production |
| CN117339229A (en) * | 2023-11-07 | 2024-01-05 | 安徽三禾化学科技有限公司 | Reduced pressure distillation equipment for ethylene glycol phenyl ether production |
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2025
- 2025-01-08 CN CN202510029460.5A patent/CN119455423B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1292179C (en) * | 1985-05-29 | 1991-11-19 | Frank Clark Silvey | De-entrainment chimney for separating liquid droplets from vapour stream |
| CN115738341A (en) * | 2022-12-22 | 2023-03-07 | 蚌埠旭辰节能工程管理有限公司 | Method and device for separating and purifying waste acetic acid |
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| CN119455423A (en) | 2025-02-18 |
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