CN114797719A - Production equipment and preparation process for preparing hydroxyethyl acrylate - Google Patents
Production equipment and preparation process for preparing hydroxyethyl acrylate Download PDFInfo
- Publication number
- CN114797719A CN114797719A CN202210382781.XA CN202210382781A CN114797719A CN 114797719 A CN114797719 A CN 114797719A CN 202210382781 A CN202210382781 A CN 202210382781A CN 114797719 A CN114797719 A CN 114797719A
- Authority
- CN
- China
- Prior art keywords
- hydroxyethyl acrylate
- sliding plate
- sliding
- transmission
- reaction kettle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 52
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 239000006185 dispersion Substances 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 8
- OKIZCWYLBDKLSU-UHFFFAOYSA-M N,N,N-Trimethylmethanaminium chloride Chemical compound [Cl-].C[N+](C)(C)C OKIZCWYLBDKLSU-UHFFFAOYSA-M 0.000 claims abstract description 8
- DXTCFKRAUYBHRC-UHFFFAOYSA-L iron(2+);dithiocyanate Chemical compound [Fe+2].[S-]C#N.[S-]C#N DXTCFKRAUYBHRC-UHFFFAOYSA-L 0.000 claims abstract description 8
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 10
- 230000007246 mechanism Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 1
- GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 description 1
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- -1 hydroxyalkyl acrylate Chemical compound 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Images
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
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
- B01F27/906—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms with fixed axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/31—Couplings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/32005—Type of drive
- B01F35/3204—Motor driven, i.e. by means of an electric or IC motor
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/2204—Mixing chemical components in generals in order to improve chemical treatment or reactions, independently from the specific application
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention provides production equipment and a preparation process for preparing hydroxyethyl acrylate, which relate to the technical field of hydroxyethyl acrylate preparation and comprise the following steps: the reaction kettle comprises a reaction kettle shell, wherein two mounting racks are arranged in a cavity of the reaction kettle shell; a sliding plate is arranged between the two mounting frames; two transmission rotating rods are arranged between the two mounting frames, and dispersion discs are arranged on the transmission rotating rods. According to the invention, the dispersion disc can be rotatably connected with the sliding plate, meanwhile, the limiting sliding plate of the dispersion disc is arranged in the cavity of the limiting circular tube, and the limiting column is slidably connected with the guide groove, so that the dispersion disc can be driven to rotate up and down in a reciprocating manner along the limiting circular tube, iron thiocyanate, tetramethylammonium chloride and the like are fully dispersed in the process of adding methacrylic acid, and the problems that the structural functions of the dispersion disc and stirring blades are single, the stirring action and the dispersing action of equipment are matched and carried out step by step, a plurality of driving control mechanisms are required, the production efficiency of the equipment is poor, and the manufacturing cost of the equipment is high are solved.
Description
Technical Field
The invention relates to the technical field of hydroxyethyl acrylate preparation, in particular to production equipment and a preparation process for preparing hydroxyethyl acrylate.
Background
The hydroxyalkyl acrylate includes hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxyethyl methacrylate, and hydroxypropyl methacrylate. The liquid is colorless and transparent liquid, has 2 functional groups of carbon-carbon double bond and hydroxyl, so the liquid has extremely active property and plays an important role in the modern organic synthesis industry due to the special structure.
However, in the conventional production equipment for preparing hydroxyethyl acrylate, the dispersing plate and the stirring blades have single structural function, so that the dispersing effect is poor, the stirring efficiency is low, the stirring action and the dispersing action of the equipment are matched and carried out step by step, a plurality of driving control mechanisms are required, the production efficiency of the equipment is poor, and the manufacturing cost of the equipment is high.
Disclosure of Invention
In view of this, the invention provides production equipment and a production process for preparing hydroxyethyl acrylate, wherein a dispersion disc can be rotatably connected with a sliding plate, a limiting sliding plate of the dispersion disc is arranged in a cavity of a limiting circular tube, and a limiting column is slidably connected with a guide groove, so that the dispersion disc can be driven to rotate up and down along the limiting circular tube in a reciprocating manner, and iron thiocyanate, tetramethylammonium chloride and the like are fully dispersed in the process of adding methacrylic acid; the driving motor can rotate and drive the stirring fan blades at the bottom end of the rotating shaft rod at the same time, so that the dispersing action of the two dispersing discs and the stirring action of the stirring fan blades can share one motor drive, the integral use flow of the equipment is simplified, and the weight reduction and the cost reduction of the equipment are facilitated.
The invention provides production equipment for preparing hydroxyethyl acrylate, which specifically comprises the following components: the lower half section of the reaction kettle shell is sleeved with a heating outer cylinder, and the peripheral surface of the heating outer cylinder is provided with a fixed seat; two mounting racks are arranged in the cavity of the reaction kettle shell, and the two mounting racks are distributed in a bilateral symmetry mode; a sliding plate is arranged between the two mounting frames; two transmission rotating rods are arranged between the two mounting frames, and dispersion discs are arranged on the transmission rotating rods; a driving motor is arranged above the reaction kettle shell; a rotating shaft lever is rotatably arranged in the cavity of the reaction kettle shell through a bearing; and the lower half section of the rotating shaft rod is provided with a floating assembly and a pushing assembly.
Optionally, the mounting bracket is provided with two supporting plates near the top end, the two supporting plates are distributed in a vertical parallel manner, the sliding plate and the transmission rotating rod are located between the two supporting plates, the two transmission rotating rods are rotatably connected with the supporting plates through bearings, the top of the mounting bracket is provided with a guide block, the guide block is located between the two supporting plates and corresponds to the sliding plate, a connecting plate is arranged between the bottom end of the mounting bracket, and the rotating shaft rod is rotatably connected with the supporting plates and the connecting plate through bearings.
Optionally, a connecting sleeve opening is formed in the middle of the sliding plate, the rotating shaft rod penetrates through the connecting sleeve opening, a first protruding shaft is arranged in the connecting sleeve opening, limiting sliding grooves are formed in the left end and the right end of the sliding plate, the sliding plate is connected with a guide block of the mounting frame in a sliding mode through the limiting sliding grooves, two through holes are formed in the sliding plate, the transmission rotating rod penetrates through the through holes, and a bearing sleeve is arranged in the through holes.
Optionally, a limiting circular tube is arranged in the middle of the transmission rotating rod, the limiting circular tube is of a cylindrical cavity structure, two guide grooves are formed in the side wall of the limiting circular tube, the guide grooves are of a snake-shaped structure, and the two guide grooves are corresponding in position.
Optionally, the dispersion impeller central point puts and is equipped with the connecting pipe, and the transmission bull stick runs through in the connecting pipe, and the connecting pipe bottom is equipped with connection bearing, and the dispersion impeller rotates through the bearing housing of connection bearing and sliding plate to be connected, is equipped with spacing slide in the connecting pipe, and is equipped with the spacing post in two between spacing slide and the connecting pipe inner wall, and spacing slide sets up in spacing pipe cavity, and spacing post and guide way sliding connection.
Optionally, the outer circumferential surface of the rotating shaft is provided with a first reciprocating screw thread and a second reciprocating screw thread, the first reciprocating screw thread corresponds to the sliding plate, the first protruding shaft is engaged with the first reciprocating screw thread, and the bottom end of the rotating shaft is provided with stirring blades.
Optionally, driving motor one side is equipped with the mount pad, and the mount pad passes through bolt fixed mounting in reation kettle casing top, rotates through the bearing in the mount pad and installs the transmission shaft, and the transmission shaft bottom is connected with the pivot axostylus axostyle to the transmission shaft top is equipped with from the driven pulleys, is equipped with driving pulley in driving motor's the pivot, and driving pulley passes through the belt and is connected with from the driven pulleys transmission.
Optionally, the floating assembly comprises a first connecting sliding sleeve, a second connecting sliding sleeve, a connecting frame, a floating plate and a second convex shaft, the first connecting sliding sleeve is arranged above the second connecting sliding sleeve, the first connecting sliding sleeve and the second connecting sliding sleeve are connected through the connecting frame at four positions, the connecting frame at four positions is distributed in an annular array mode, the connecting frame is provided with the two floating plates, the second convex shaft is arranged in the first connecting sliding sleeve, the first connecting sliding sleeve is sleeved on the rotating shaft rod, and the second convex shaft is meshed with the second reciprocating screw thread.
Optionally, the promotion subassembly includes connecting cylinder, catch bar, push pedal and gangbar, connecting cylinder fixed mounting is on the connecting plate, and the connecting cylinder rotates the suit on rotating the axostylus axostyle, and the sliding sleeve slip suit is on the connecting cylinder in the second, rotate through the round pin axle on the connecting cylinder and install eight catch bars, eight catch bars divide into upper and lower two sets of, and every catch bar of group is the distribution of annular array mode, and the upper and lower push bar tip that corresponds rotates through the round pin axle and installs the push pedal, it installs the gangbar to rotate through the round pin axle on the catch bar of upside to be located, and the gangbar rotates through round pin axle and first connecting sliding sleeve to be connected.
The preparation process of the production equipment for preparing hydroxyethyl acrylate comprises the following steps:
01. firstly, adding iron thiocyanate, tetramethylammonium chloride and the like and a little hydroquinone into methacrylic acid, stirring and heating to 90 ℃;
02. introducing ethylene oxide gas to react for about 2 hours under the protection of nitrogen;
03. cooling the reaction product to 60 ℃, adding a small amount of hydroquinone, and then carrying out reduced pressure distillation;
04. collecting 86-89 deg.C (0.67 kPa) fraction to obtain the final product with yield over 80%.
Advantageous effects
According to the production equipment for preparing hydroxyethyl acrylate, compared with the traditional production equipment, the first protruding shaft in the connecting sleeve is meshed and connected with the first reciprocating screw thread of the rotating shaft rod, the sliding plate can slide up and down along the first reciprocating screw thread, the dispersion disc can be rotatably connected with the sliding plate, meanwhile, the limiting sliding plate of the dispersion disc is arranged in the cavity of the limiting circular tube, and the limiting column is slidably connected with the guide groove, so that the dispersion disc can be driven to rotate up and down in a reciprocating mode along the limiting circular tube, iron thiocyanate, tetramethylammonium chloride and the like are fully dispersed in the process of adding methacrylic acid, stirring can be more uniform, and the production quality of products is further ensured.
In addition, through the power transmission of the first reciprocating screw thread and the first protruding shaft of the sliding plate, the driving motor can rotate and drive the stirring fan blades at the bottom end of the rotating shaft rod at the same time, so that the dispersion action of the two dispersion discs and the stirring action of the stirring fan blades can share one motor for driving, the driving motor for arranging the sliding plate with dispersed feeding is omitted, the whole using process of the equipment is simplified, and the weight reduction and the cost reduction of the equipment are facilitated.
In addition, in the rotating process of the rotating shaft rod, the floating assembly is driven to slide up and down along the second reciprocating screw thread and the connecting cylinder by utilizing the meshing transmission of the second convex shaft and the second reciprocating screw thread, so that the floating plate can float and adjust up and down in the mixed solution, and meanwhile, the linkage rod is matched to drive the pushing rod to expand towards the periphery, so that the four push plates are expanded in a reciprocating manner or gathered towards the center, and the up-and-down or parallel convection stirring of the solution is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 is a schematic view showing a sectional view structure of a reaction vessel shell of a production apparatus for producing hydroxyethyl acrylate according to an embodiment of the present invention;
FIG. 2 shows a schematic view of a mounting frame, a slide plate, a driving rotating rod and a dispersion tray of a production apparatus for hydroxyethyl acrylate production according to an embodiment of the present invention;
FIG. 3 is a schematic view showing an explosive state of a sliding plate and a driving rotating rod of a production apparatus for hydroxyethyl acrylate production according to an embodiment of the present invention;
FIG. 4 is a schematic view showing an explosive state of a driving rotating rod and a dispersion tray of a production apparatus for hydroxyethyl acrylate production according to an embodiment of the present invention;
FIG. 5 is a schematic view showing a rotating shaft and a driving motor of a production apparatus for hydroxyethyl acrylate production according to an embodiment of the present invention;
FIG. 6 shows a schematic view of a mounting frame, a rotating shaft, a floating assembly and a pushing assembly of a production facility for hydroxyethyl acrylate production according to an embodiment of the present invention;
FIG. 7 is a schematic view showing an exploded state of a floating assembly and a pushing assembly of a production apparatus for hydroxyethyl acrylate production and a rotating shaft according to an embodiment of the present invention;
FIG. 8 shows a schematic view of a floating assembly of a production facility for hydroxyethyl acrylate production according to an embodiment of the present invention;
fig. 9 shows a schematic view of a pushing assembly of a production apparatus for hydroxyethyl acrylate production according to an embodiment of the present invention.
List of reference numerals
1. A reaction kettle shell; 101. heating the outer cylinder; 102. a fixed seat; 2. a mounting frame; 201. a support plate; 202. a guide block; 203. a connecting plate; 3. a sliding plate; 301. connecting a sleeve opening; 302. a first protruding shaft; 303. a limiting chute; 304. a bearing housing; 4. a transmission rotating rod; 401. a limiting circular tube; 402. a guide groove; 5. a dispersion tray; 501. a connecting pipe; 502. connecting a bearing; 503. a limiting sliding plate; 504. a limiting column; 6. rotating the shaft lever; 601. a first reciprocating screw thread; 602. a second reciprocating screw thread; 603. a stirring fan blade; 7. a drive motor; 701. a mounting seat; 702. a drive shaft; 703. a driven pulley; 704. a driving pulley; 8. a floating assembly; 801. a first connecting sliding sleeve; 802. a second connecting sliding sleeve; 803. a connecting frame; 804. a floating plate; 805. a second protruding shaft; 9. a pushing assembly; 901. a connecting cylinder; 902. a push rod; 903. pushing the plate; 904. a linkage rod.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to fig. 9:
the invention provides production equipment and a preparation process for preparing hydroxyethyl acrylate, which comprise the following steps: the reaction kettle comprises a reaction kettle shell 1, wherein a heating outer cylinder 101 is sleeved on the lower half section of the reaction kettle shell 1, and a fixed seat 102 is arranged on the peripheral surface of the heating outer cylinder 101; two mounting racks 2 are arranged in the cavity of the reaction kettle shell 1, and the two mounting racks 2 are distributed in a bilateral symmetry mode; a sliding plate 3 is arranged between the two mounting frames 2; two transmission rotating rods 4 are arranged between the two mounting frames 2, and dispersion discs 5 are arranged on the transmission rotating rods 4; a driving motor 7 is arranged above the reaction kettle shell 1; a rotating shaft lever 6 is rotatably arranged in the cavity of the reaction kettle shell 1 through a bearing; the lower half section of the rotating shaft lever 6 is provided with a floating assembly 8 and a pushing assembly 9.
In addition, according to the embodiment of the present invention, as shown in fig. 2 to 4, two support plates 201 are disposed near the top end of the mounting frame 2, the two support plates 201 are distributed in a vertical parallel manner, the sliding plate 3 and the transmission rotating rod 4 are disposed between the two support plates 201, the two transmission rotating rods 4 are rotatably connected to the support plates 201 through bearings, the top of the mounting frame 2 is provided with a guide block 202, the guide block 202 is disposed between the two support plates 201, the guide block 202 corresponds to the sliding plate 3, the connecting plate 203 is disposed between the bottom ends of the mounting frame 2, and the rotating shaft 6 is rotatably connected to the support plates 201 and the connecting plate 203 through bearings;
a connecting sleeve opening 301 is formed in the middle of the sliding plate 3, the rotating shaft lever 6 penetrates through the connecting sleeve opening 301, a first protruding shaft 302 is arranged in the connecting sleeve opening 301, limiting sliding grooves 303 are formed in the left end and the right end of the sliding plate 3, the sliding plate 3 is connected with the guide block 202 of the mounting frame 2 in a sliding mode through the limiting sliding grooves 303, two through holes are formed in the sliding plate 3, the transmission rotating rod 4 penetrates through the through holes, and a bearing sleeve 304 is arranged in each through hole;
a limiting circular tube 401 is arranged at the middle section of the transmission rotating rod 4, the limiting circular tube 401 is of a cylindrical cavity structure, two guide grooves 402 are formed in the side wall of the limiting circular tube 401, the guide grooves 402 are of a snake-shaped structure, and the positions of the two guide grooves 402 are corresponding to each other;
the central position of the dispersion disc 5 is provided with a connecting pipe 501, the transmission rotating rod 4 penetrates through the connecting pipe 501, the bottom end of the connecting pipe 501 is provided with a connecting bearing 502, the dispersion disc 5 is rotatably connected with a bearing sleeve 304 of the sliding plate 3 through the connecting bearing 502, a limiting sliding plate 503 is arranged in the connecting pipe 501, two limiting columns 504 are arranged between the limiting sliding plate 503 and the inner wall of the connecting pipe 501, the limiting sliding plate 503 is arranged in a cavity of a limiting circular pipe 401, and the limiting columns 504 are slidably connected with a guide groove 402, wherein a first convex shaft 302 in a connecting sleeve opening 301 is engaged with a first reciprocating thread 601 of a rotating shaft lever 6, the sliding plate 3 can slide up and down along the first reciprocating thread 601, because the dispersion disc 5 can be rotatably connected with the sliding plate 3, and the limiting sliding plate 503 of the dispersion disc 5 is arranged in the cavity of the limiting circular pipe 401, and the limiting columns 504 are slidably connected with the guide groove 402, the dispersion disc 5 can be driven to rotate up and down in a reciprocating manner along the limiting circular pipe 401, so that the iron thiocyanate, the tetramethylammonium chloride and the like are fully dispersed in the process of adding the methacrylic acid.
Furthermore, according to the embodiment of the present invention, as shown in fig. 5, the outer peripheral surface of the rotating shaft 6 is provided with a first reciprocating screw 601 and a second reciprocating screw 602, and the first reciprocating screw 601 corresponds to the position of the slide plate 3, and the first protruding shaft 302 is engaged with the first reciprocating screw 601, and the bottom end of the rotating shaft 6 is provided with the stirring blades 603;
driving motor 7 one side is equipped with mount pad 701, and mount pad 701 passes through bolt fixed mounting in reation kettle casing 1 top, install transmission shaft 702 through the bearing rotation in the mount pad 701, and the transmission shaft 702 bottom is connected with the pivot axostylus axostyle 6, and the transmission shaft 702 top is equipped with from the driven pulleys 703, be equipped with driving pulley 704 in driving motor 7's the pivot, and driving pulley 704 is connected with from the driven pulleys 703 transmission through the belt, through the power transmission of first reciprocal screw thread 601 and the first protruding axle 302 of sliding plate 3, driving motor 7 can rotate the stirring fan blade 603 of pivot axostylus axostyle 6 bottom simultaneously and order about, make two punishment disperse 5 dispersion movements and stirring fan blade 603 stirring movements of punishment share a motor drive.
Furthermore, according to the embodiment of the present invention, as shown in fig. 7 to 9, the floating assembly 8 includes a first connection sliding sleeve 801, a second connection sliding sleeve 802, connection frames 803, a floating plate 804 and a second protruding shaft 805, the first connection sliding sleeve 801 is disposed above the second connection sliding sleeve 802, the first connection sliding sleeve 801 and the second connection sliding sleeve 802 are connected by four connection frames 803, the four connection frames 803 are distributed in a ring array, two floating plates 804 are disposed on the connection frames 803, the first connection sliding sleeve 801 is disposed with the second protruding shaft 805, the first connection sliding sleeve 801 is sleeved on the rotation shaft 6, and the second protruding shaft 805 is engaged with the second reciprocating screw 602;
the pushing assembly 9 comprises a connecting cylinder 901, pushing rods 902, pushing plates 903 and linkage rods 904, the connecting cylinder 901 is fixedly installed on the connecting plate 203, the connecting cylinder 901 is rotatably sleeved on the rotating shaft rod 6, the second connecting sliding sleeve 802 is slidably sleeved on the connecting cylinder 901, eight pushing rods 902 are rotatably installed on the connecting cylinder 901 through pin shafts, the eight pushing rods 902 are divided into an upper group and a lower group, each group of pushing rods 902 are distributed in an annular array mode, the pushing plates 903 are rotatably installed at the ends of the upper pushing rod 902 corresponding to the upper pushing rod 902 and the lower pushing rod 902 through pin shafts, the linkage rods 904 are rotatably installed on the pushing rods 902 on the upper side through pin shafts, the linkage rods 904 are rotatably connected with the first connecting sliding sleeve 801 through pin shafts, wherein the rotating shaft rod 6 is in the rotating process and is meshed with the second reciprocating screw threads 602 through the second convex shafts 805 to drive the floating assembly 8 to slide up and down along the second reciprocating screw threads 602 and the connecting cylinder 901, therefore, the floating plate 804 can float up and down in the mixed solution for adjustment, and meanwhile, the linkage rod 904 is matched to drive the push rod 902 to expand towards the periphery, so that the four push plates 903 are expanded in a reciprocating manner or gathered towards the center, and the up-and-down or parallel convection stirring of the solution is realized.
The specific use mode and function of the embodiment are as follows: firstly, adding iron thiocyanate, tetramethylammonium chloride and the like and a little hydroquinone into methacrylic acid, stirring and heating to 90 ℃; introducing ethylene oxide gas to react for about 2 hours under the protection of nitrogen; cooling the reaction product to 60 ℃, adding a small amount of hydroquinone, and then carrying out reduced pressure distillation; collecting 86-89 deg.C (0.67 kPa) fraction to obtain the final product with yield over 80%;
according to the invention, the first convex shaft 302 in the connecting sleeve opening 301 is meshed and connected with the first reciprocating thread 601 of the rotating shaft lever 6, so that the sliding plate 3 can slide up and down along the first reciprocating thread 601, and the dispersion disc 5 can be rotationally connected with the sliding plate 3, meanwhile, the limiting sliding plate 503 of the dispersion disc 5 is arranged in the cavity of the limiting circular tube 401, and the limiting column 504 is slidably connected with the guide groove 402, so that the dispersion disc 5 can be driven to rotate up and down along the limiting circular tube 401, and iron thiocyanate, tetramethylammonium chloride and the like can be fully dispersed in the process of adding methacrylic acid; through the power transmission of the first reciprocating screw 601 and the first protruding shaft 302 of the sliding plate 3, the driving motor 7 can simultaneously rotate and drive the stirring blades 603 at the bottom end of the rotating shaft lever 6, so that the dispersing action of the two dispersing discs 5 and the stirring action of the stirring blades 603 can share one motor for driving; in the rotating process of the rotating shaft lever 6, the second convex shaft 805 is engaged with the second reciprocating screw 602 for transmission, so that the floating assembly 8 is driven to slide up and down along the second reciprocating screw 602 and the connecting cylinder 901, the floating plate 804 can be adjusted in a vertical floating mode in the mixed solution, and meanwhile the linkage rod 904 is matched to drive the push rod 902 to expand all around, so that the push plates 903 at four positions are expanded in a reciprocating mode or gathered towards the center, and vertical or parallel convection stirring of the solution is realized.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (10)
1. Production equipment and a preparation process for preparing hydroxyethyl acrylate are characterized in that: production facility for hydroxyethyl acrylate-based preparation includes: the reaction kettle comprises a reaction kettle shell (1), wherein a heating outer cylinder (101) is sleeved on the lower half section of the reaction kettle shell (1), and a fixed seat (102) is arranged on the peripheral surface of the heating outer cylinder (101); two mounting racks (2) are arranged in the cavity of the reaction kettle shell (1), and the two mounting racks (2) are distributed in a bilateral symmetry mode; a sliding plate (3) is arranged between the two mounting frames (2); two transmission rotating rods (4) are arranged between the two mounting frames (2), and dispersion discs (5) are arranged on the transmission rotating rods (4); a driving motor (7) is arranged above the reaction kettle shell (1); a rotating shaft lever (6) is rotatably arranged in the cavity of the reaction kettle shell (1) through a bearing; and a floating assembly (8) and a pushing assembly (9) are arranged on the lower half section of the rotating shaft lever (6).
2. The production facility for hydroxyethyl acrylate-based production according to claim 1, wherein: mounting bracket (2) are leaned on the top position and are equipped with two backup pads (201), parallel mode distributes about two backup pads (201) are, and sliding plate (3) and transmission bull stick (4) are located between two backup pads (201), and two transmission bull sticks (4) are rotated with backup pad (201) through the bearing and are connected, mounting bracket (2) top is equipped with guide block (202), and guide block (202) are located between two backup pads (201), and guide block (202) are corresponding with sliding plate (3) position, be equipped with connecting plate (203) between mounting bracket (2) the bottom, and rotate axostylus axostyle (6) and rotate with backup pad (201) and connecting plate (203) through the bearing and be connected.
3. The production facility for hydroxyethyl acrylate-based production according to claim 1, wherein: the sliding plate is characterized in that a connecting sleeve opening (301) is formed in the middle of the sliding plate (3), the rotating shaft rod (6) penetrates through the connecting sleeve opening (301), a first protruding shaft (302) is arranged in the connecting sleeve opening (301), limiting sliding grooves (303) are formed in the left end and the right end of the sliding plate (3), the sliding plate (3) is connected with a guide block (202) of the mounting frame (2) in a sliding mode through the limiting sliding grooves (303), two through holes are formed in the sliding plate (3), the transmission rotating rod (4) penetrates through the through holes, and a bearing sleeve (304) is arranged in the through holes.
4. The production facility for hydroxyethyl acrylate-based production according to claim 1, wherein: the middle section position of transmission bull stick (4) is equipped with spacing pipe (401), and spacing pipe (401) are the cylindricality cavity structure, and the lateral wall of spacing pipe (401) is equipped with two guide way (402), and guide way (402) are snakelike structure, and two guide way (402) positions are corresponding.
5. The production facility for hydroxyethyl acrylate-based production according to claim 1, wherein: the utility model discloses a spacing pipe (401) is equipped with to dispersion impeller (5) central point, and transmission bull stick (4) run through in connecting pipe (501), connecting pipe (501) bottom is equipped with connecting bearing (502), and dispersion impeller (5) are connected through connecting bearing (502) and bearing housing (304) rotation of sliding plate (3), be equipped with spacing slide (503) in connecting pipe (501), and be equipped with two spacing posts (504) between spacing slide (503) and connecting pipe (501) inner wall, spacing slide (503) set up in spacing pipe (401) cavity, and spacing post (504) and guide way (402) sliding connection.
6. The production facility for hydroxyethyl acrylate-based production according to claim 1, wherein: the outer peripheral surface of the rotating shaft lever (6) is provided with a first reciprocating thread (601) and a second reciprocating thread (602), the first reciprocating thread (601) corresponds to the sliding plate (3), the first protruding shaft (302) is meshed with the first reciprocating thread (601) and connected with the first reciprocating thread, and the bottom end of the rotating shaft lever (6) is provided with stirring blades (603).
7. The production facility for hydroxyethyl acrylate-based production according to claim 1, wherein: driving motor (7) one side is equipped with mount pad (701), and mount pad (701) pass through bolt fixed mounting in reation kettle casing (1) top, rotate through the bearing in mount pad (701) and install transmission shaft (702), and transmission shaft (702) bottom is connected with runner spindle pole (6), and transmission shaft (702) top is equipped with driven pulley (703), be equipped with driving pulley (704) in the pivot of driving motor (7), and driving pulley (704) are connected with driven pulley (703) transmission through the belt.
8. The production facility for hydroxyethyl acrylate-based production according to claim 1, wherein: the floating assembly (8) comprises a first connecting sliding sleeve (801), a second connecting sliding sleeve (802), a connecting frame (803), a floating plate (804) and a second convex shaft (805), wherein the first connecting sliding sleeve (801) is arranged above the second connecting sliding sleeve (802), the first connecting sliding sleeve (801) and the second connecting sliding sleeve (802) are connected through the connecting frame (803) at four positions, the connecting frame (803) at four positions are distributed in an annular array mode, two floating plates (804) are arranged on the connecting frame (803), the second convex shaft (805) is arranged in the first connecting sliding sleeve (801), the first connecting sliding sleeve (801) is sleeved on the rotating shaft rod (6), and the second convex shaft (805) is meshed with the second reciprocating thread (602).
9. The production facility for hydroxyethyl acrylate-based production according to claim 1, wherein: promote subassembly (9) including connecting cylinder (901), catch bar (902), push pedal (903) and gangbar (904), connecting cylinder (901) fixed mounting is on connecting plate (203), and connecting cylinder (901) rotate the suit on rotating shaft pole (6), and second connecting sliding sleeve (802) slide the suit on connecting cylinder (901), rotate through the round pin axle on connecting cylinder (901) and install eight catch bar (902), eight catch bar (902) divide into upper and lower two sets of, and every catch bar (902) of group are the distribution of annular array mode, and push pedal (903) are installed through the round pin axle rotation to catch bar (902) tip that corresponds from top to bottom, be located and rotate through the round pin axle on upside catch bar (902) and install gangbar (904), and gangbar (904) rotate through round pin axle and be connected with first connecting sliding sleeve (801).
10. The process according to any one of claims 1 to 9, comprising the steps of:
01. firstly, adding iron thiocyanate, tetramethylammonium chloride and the like and a little hydroquinone into methacrylic acid, stirring and heating to 90 ℃;
02. introducing ethylene oxide gas to react for about 2 hours under the protection of nitrogen;
03. cooling the reaction product to 60 ℃, adding a small amount of hydroquinone, and then carrying out reduced pressure distillation;
04. collecting 86-89 deg.C (0.67 kPa) fraction to obtain the final product with yield of above 80%, and completing the preparation and synthesis process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210382781.XA CN114797719B (en) | 2022-04-12 | 2022-04-12 | Production equipment and preparation process for preparing hydroxyethyl acrylate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210382781.XA CN114797719B (en) | 2022-04-12 | 2022-04-12 | Production equipment and preparation process for preparing hydroxyethyl acrylate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114797719A true CN114797719A (en) | 2022-07-29 |
| CN114797719B CN114797719B (en) | 2022-12-30 |
Family
ID=82534575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210382781.XA Active CN114797719B (en) | 2022-04-12 | 2022-04-12 | Production equipment and preparation process for preparing hydroxyethyl acrylate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114797719B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571116A (en) * | 2023-04-23 | 2023-08-11 | 山东名德医疗科技有限公司 | Disinfectant raw material mixing device and preparation method thereof |
| CN118416819A (en) * | 2024-07-04 | 2024-08-02 | 吉林市新跃新材料有限公司 | Process and equipment for preparing hydroxyethyl methacrylate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1319883A (en) * | 1970-10-23 | 1973-06-13 | Ginneken C M Van | Mixer |
| CN102675686A (en) * | 2012-06-25 | 2012-09-19 | 徐效奇 | Four-bar instant film forming device |
| CN108383726A (en) * | 2018-01-22 | 2018-08-10 | 安徽联化新材料有限公司 | A kind of continuous producing method of hydroxyethyl methacrylate |
| CN212549084U (en) * | 2020-06-19 | 2021-02-19 | 攀钢集团重庆钒钛科技有限公司 | Laboratory dispersion impeller |
| CN213160352U (en) * | 2020-06-28 | 2021-05-11 | 湖南君泰生物科技股份有限公司 | Mixing arrangement is used in feed processing production |
| CN113019297A (en) * | 2021-05-31 | 2021-06-25 | 江西粤秀医疗科技有限公司 | Raw material mixing device for producing cyclopropynyl |
| CN113952754A (en) * | 2021-09-30 | 2022-01-21 | 池州方达科技有限公司 | Hydroxyethyl acrylate electrical heating type rectifying device |
-
2022
- 2022-04-12 CN CN202210382781.XA patent/CN114797719B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1319883A (en) * | 1970-10-23 | 1973-06-13 | Ginneken C M Van | Mixer |
| CN102675686A (en) * | 2012-06-25 | 2012-09-19 | 徐效奇 | Four-bar instant film forming device |
| CN108383726A (en) * | 2018-01-22 | 2018-08-10 | 安徽联化新材料有限公司 | A kind of continuous producing method of hydroxyethyl methacrylate |
| CN212549084U (en) * | 2020-06-19 | 2021-02-19 | 攀钢集团重庆钒钛科技有限公司 | Laboratory dispersion impeller |
| CN213160352U (en) * | 2020-06-28 | 2021-05-11 | 湖南君泰生物科技股份有限公司 | Mixing arrangement is used in feed processing production |
| CN113019297A (en) * | 2021-05-31 | 2021-06-25 | 江西粤秀医疗科技有限公司 | Raw material mixing device for producing cyclopropynyl |
| CN113952754A (en) * | 2021-09-30 | 2022-01-21 | 池州方达科技有限公司 | Hydroxyethyl acrylate electrical heating type rectifying device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571116A (en) * | 2023-04-23 | 2023-08-11 | 山东名德医疗科技有限公司 | Disinfectant raw material mixing device and preparation method thereof |
| CN118416819A (en) * | 2024-07-04 | 2024-08-02 | 吉林市新跃新材料有限公司 | Process and equipment for preparing hydroxyethyl methacrylate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114797719B (en) | 2022-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114797719B (en) | Production equipment and preparation process for preparing hydroxyethyl acrylate | |
| CN109852939B (en) | Tool coating rotating stand device of high-vacuum multi-arc ion coating machine | |
| CN101693150B (en) | Turntable extracting tower | |
| CN111955653A (en) | Periodically rotating rice dumpling forming system | |
| CN208147953U (en) | A kind of drought lotus root bar cauline leaf processing unit (plant) | |
| CN216808645U (en) | A raw materials turns over a heap device for compound microbial production | |
| CN221470947U (en) | Anti-bumping device for reduced pressure distillation | |
| CN113441072A (en) | Ultra-white glass production line of misce bene | |
| CN215325245U (en) | Conveying assembly for processing biomass materials | |
| CN220467601U (en) | Food sewage treatment plant | |
| CN207025134U (en) | A kind of chemical industry damping stirred tank | |
| CN219058991U (en) | Enzymolysis facilities is used in chitosan oligosaccharide preparation | |
| CN220919226U (en) | Diacetylene benzene production reation kettle | |
| CN219252417U (en) | Production equipment of skin antibacterial cream | |
| CN220496341U (en) | Glue reaction kettle | |
| CN219615530U (en) | Novel water washing kettle for producing benzenesulfonyl chloride | |
| CN110480716A (en) | A kind of one-pass molding shredding scallion machine | |
| CN204365292U (en) | Reactor stirring structure | |
| CN221601301U (en) | Vanillin extraction device | |
| CN216224415U (en) | Agitating unit is used in antiseptic solution production | |
| CN211562569U (en) | Explosion-proof type perfume freezing agitated kettle | |
| CN218871882U (en) | Stirring paddle and stirring device thereof | |
| CN214020723U (en) | Chlorination reaction device of trichlorobenzene | |
| CN208166971U (en) | A kind of Production of Wine device | |
| CN218797988U (en) | Plant extract drying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Production Equipment and Preparation Process for Preparation of Hydroxyethyl Acrylate Granted publication date: 20221230 Pledgee: Agricultural Bank of China Limited Dongzhi County Branch Pledgor: Chizhou Fangda Technology Co.,Ltd.|Chen Fang Registration number: Y2024980002081 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |