CN114700026B - Hydroxyethyl methacrylate-based synthesis production equipment and preparation process thereof - Google Patents
Hydroxyethyl methacrylate-based synthesis production equipment and preparation process thereof Download PDFInfo
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- CN114700026B CN114700026B CN202210381308.XA CN202210381308A CN114700026B CN 114700026 B CN114700026 B CN 114700026B CN 202210381308 A CN202210381308 A CN 202210381308A CN 114700026 B CN114700026 B CN 114700026B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 title claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 title claims description 6
- 238000003786 synthesis reaction Methods 0.000 title claims description 6
- 239000000463 material Substances 0.000 claims description 27
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 10
- 230000008093 supporting effect Effects 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 4
- OKIZCWYLBDKLSU-UHFFFAOYSA-M N,N,N-Trimethylmethanaminium chloride Chemical compound [Cl-].C[N+](C)(C)C OKIZCWYLBDKLSU-UHFFFAOYSA-M 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- 238000004821 distillation Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- DXTCFKRAUYBHRC-UHFFFAOYSA-L iron(2+);dithiocyanate Chemical compound [Fe+2].[S-]C#N.[S-]C#N DXTCFKRAUYBHRC-UHFFFAOYSA-L 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 abstract description 3
- 239000002244 precipitate Substances 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 9
- 239000013049 sediment Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- SZIFAVKTNFCBPC-UHFFFAOYSA-N 2-chloroethanol Chemical compound OCCCl SZIFAVKTNFCBPC-UHFFFAOYSA-N 0.000 description 2
- UAGJVSRUFNSIHR-UHFFFAOYSA-N Methyl levulinate Chemical compound COC(=O)CCC(C)=O UAGJVSRUFNSIHR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- LLLCSBYSPJHDJX-UHFFFAOYSA-M potassium;2-methylprop-2-enoate Chemical compound [K+].CC(=C)C([O-])=O LLLCSBYSPJHDJX-UHFFFAOYSA-M 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000005185 salting out Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 125000000963 oxybis(methylene) group Chemical group [H]C([H])(*)OC([H])([H])* 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003805 vibration mixing Methods 0.000 description 1
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- 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
- B01J19/28—Moving reactors, e.g. rotary drums
- B01J19/285—Shaking or vibrating reactors; reactions under the influence of low-frequency vibrations or pulsations
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/24—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran
- C07C67/26—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran with an oxirane ring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention provides equipment for synthesizing and producing hydroxyethyl methacrylate and a preparation process thereof, which relate to the technical field of production equipment and comprise the following steps: the inner part is of a triangular structure, the bottoms of the two ends of the inner part are of wedge-shaped structures, the inner part is installed at the bottom end of the inner part of the top part, the two sides of the inner part are respectively provided with an outer groove, the outer grooves are of arc-shaped structures, and the top end of the inner part is of a wedge-shaped structure. After the connector is connected with the inserted bar, vibrating motor drives a horizontal swing of piece, during the horizontal swing of piece, internals can utilize the inserted bar to install the inside slip at the piece, when internals horizontal slip, the both ends of internals are the wedge structure, make the both sides of internals can scrape the residue and the precipitate of piece bottom and get the removal, avoid remaining and the inside bottom of bonding at the piece, lead to the preparation not thorough, production facility has been solved, the bottom of device produces residue and precipitate easily, lack the problem of utilizing the structure of vibration strength to clear away precipitate and residue.
Description
Technical Field
The invention relates to the technical field of production equipment, in particular to synthetic production equipment based on hydroxyethyl methacrylate and a preparation process thereof.
Background
When the hydroxyethyl methacrylate is synthesized, production equipment is usually required to be used for mixing the hydroxyethyl methacrylate, so that the hydroxyethyl methacrylate can be conveniently prepared;
however, in the conventional production apparatus, residues and sediments are easily generated at the bottom of the apparatus, a structure for removing the sediments and the residues by using vibration force is lacked, a structure for controlling the material to upwelle by using the vibration force is lacked, and the stirring effect cannot be enhanced by using the vibration amplitude while the vibration mixing preparation is carried out.
Disclosure of Invention
In view of the above, the invention provides a hydroxyethyl methacrylate-based synthesis production device and a preparation process thereof, which have an outer groove, wherein the outer groove is of an arc structure, so that when an internal part swings left and right, the outer groove can push materials to surge upwards, and the mixing preparation effect is further improved.
The invention provides equipment for synthesizing and producing hydroxyethyl methacrylate and a preparation process thereof, and the equipment specifically comprises the following steps: a main body; the main body is of a rectangular plate-shaped structure, two ends of the main body are both of wedge-shaped structures, the main body is made of metal, two slots are formed in the bottom of the main body, the slots are of rectangular structures, and a top piece is mounted at the top end of the main body; the inner part is of a triangular structure, the bottoms of the two ends of the inner part are of wedge-shaped structures, the inner part is arranged at the bottom end of the inner part of the top part, two sides of the inner part are respectively provided with an outer groove, the outer grooves are of arc-shaped structures, and the top end of the inner part is of a wedge-shaped structure; the planking, the planking is the rectangle platelike structure, and the planking is equipped with two altogether, and two plankings are in the top both sides of main part, and the planking is in the both sides of kicking, and the bottom of planking inserts inside the slot, and the top inboard of every planking is equipped with a roof, and the inner of roof is equipped with three and inserts the pole, and every outside that inserts the pole is equipped with align to grid's promotion head, and the both ends that promote the head comprise two arcs, and the intermediate position both ends that promote the head are the wedge structure.
Optionally, a top groove is formed in the middle of the top end of the main body, the top groove is of a rectangular structure, bottoms of two ends of the top groove are connected with the inserting groove, a guide rod is arranged on each of the front side and the rear side of the top end of the top groove, and the guide rods are of a rectangular structure; the top piece is of a rectangular structure, the inside of the top piece is of a rectangular structure, a discharge hole is formed in the bottom of the front end of the top piece, a heating element is arranged in the top piece, two vibration motors are arranged on two sides of the top piece respectively, side grooves are formed in the bottoms of the front side and the rear side of the top piece respectively and are of a rectangular structure, and guide rods are embedded in the side grooves; the top both sides of piece are equipped with an auxiliary groove respectively, and the auxiliary groove is the rectangle structure, and the closing plate is installed on the top of piece, and the closing plate is the rectangle structure, and the bottom of closing plate is equipped with four rectangle poles, and the rectangle pole inserts in the inside of piece, and the bottom both sides of piece are equipped with two rectangular plates respectively, and the rectangular plate contacts with the top both sides of piece.
Optionally, the front end and the rear end of the internal part are respectively provided with two supporting blocks, each supporting block is of a rectangular structure, two sides of the top end of the internal part are respectively provided with three supporting plates, and each supporting plate is of a V-shaped structure; every the outer end top of backup pad is equipped with a connector, and the connector is the rectangle frame structure, and the outside of every connector is equipped with a board that resets, and the board that resets is T shape structure, and the outer end that resets is cylindrical structure, and the board that resets is the spring board material.
Optionally, two sides of each outer plate are respectively provided with a side part, the top end of each side part is of a wedge-shaped structure, the bottom of each side part is in contact with the upper part of the guide rod, the inner side of each outer plate is provided with a push plate, each push plate is of a Y-shaped structure and made of a spring steel plate, and the inner side of each push plate is in contact with the outer side of the corresponding top part; the top plate is of a rectangular plate-shaped structure, the top plate is inserted into the auxiliary groove, the insertion rod is located inside the ejector piece, the top end of the insertion rod is of a diamond structure, the bottom end of the insertion rod is of a rectangular structure, and the bottom end of the insertion rod is inserted into the connector.
Optionally, the method comprises the following steps:
01. adding iron thiocyanate, tetramethylammonium chloride and a little hydroquinone into methacrylic acid, stirring and heating to 90 ℃, and 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, carrying out reduced pressure distillation, and collecting 86-89 ℃ (0.67 kPa) fractions to obtain a finished product, wherein the yield is over 80%;
2. the potassium methacrylate reacts with chloroethanol in the presence of a polymerization inhibitor to generate crude methacrylic acid-2-hydroxyethyl ester, and a finished product is obtained through salting out and refining, so that the preparation process is completed.
Advantageous effects
According to the production equipment of the embodiments of the invention, compared with the traditional production equipment, the production equipment is provided with the pushing head, so that when the internal part swings, the pushing head can control the material to flow, and the preparation effect is further improved.
In addition, by arranging the outer groove, when the device is used, after the connector is connected with the insertion rod, the vibration motor drives the top piece to swing left and right, when the top piece swings left and right, the inner piece can be installed inside the top piece by using the insertion rod to slide, when the inner piece slides left and right, two ends of the inner piece are of wedge-shaped structures, residues and sediments at the bottom of the top piece can be scraped and removed by two sides of the inner piece, residues and the sediments are prevented from being left and bonded at the bottom end inside the top piece, further incomplete preparation is caused, and meanwhile, the outer groove is of an arc-shaped structure, when the inner piece swings left and right, the outer groove can push materials and the removed residues upwards, so that the materials can be turned over and gushed, the preparation effect is improved, and the removed materials can be fully mixed;
in addition, promote the head through setting up, make this device when using, when the liftout is controlled the horizontal hunting by vibrating motor on the top of main part, the liftout can drive the material of preparation and rock together, make the material can with promote the head contact, because the both sides that promote the head comprise two arcs, make the material can be turned over by abundant promotion and gush the mixture, and then the effectual production of preparing, improve the preparation effect, make vibrating motor when the transmission vibration mitigatees, can make to promote the head and promote the mixture once more.
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 only some embodiments of the invention and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic representation of the three-dimensional structure of a production facility according to an embodiment of the invention;
FIG. 2 shows a schematic view of a bottom view of a production facility according to an embodiment of the present invention;
FIG. 3 shows a schematic view of an exploded perspective structure of a production apparatus according to an embodiment of the present invention;
FIG. 4 shows a schematic view of an exploded bottom view of a production facility according to an embodiment of the present invention;
FIG. 5 is a schematic view showing an exploded perspective structure of a main body of a production apparatus according to an embodiment of the present invention;
FIG. 6 shows a schematic representation of the three-dimensional structure of the internals of a production plant according to an embodiment of the invention;
FIG. 7 shows a schematic diagram of a three-dimensional structure of an outer part of a production facility according to an embodiment of the invention;
figure 8 shows a schematic diagram of a process route according to the present invention.
List of reference numerals
1. A main body; 101. a top groove; 102. a guide bar; 103. a top piece; 104. a side groove; 105. an auxiliary groove; 106. sealing plates;
2. an internal member; 201. an outer tank; 202. a support block; 203. a support plate; 204. a connector; 205. a reset plate;
3. an outer plate; 301. a side part; 302. a push plate; 303. a top plate; 304. an insertion rod; 305. the head is pushed.
Detailed Description
In order to make the objects, solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference numerals in the drawings denote like elements.
The embodiment is as follows: please refer to fig. 1 to fig. 8:
the invention provides equipment and a preparation process for synthesizing and producing hydroxyethyl methacrylate, which comprises the following steps: a main body 1; the main body 1 is of a rectangular plate-shaped structure, two ends of the main body 1 are of wedge-shaped structures, the device can be stably supported, meanwhile, the contact area with the ground can be enlarged, the supporting effect is improved, the main body 1 is made of metal materials, two slots are formed in the bottom of the main body 1, the slots are of rectangular structures and used for being inserted into the bottom of the outer plate 3, the outer plate 3 can be stably installed and used, the top end of the main body 1 is provided with the top piece 103, materials can be added into the top piece 103, and the materials can be rapidly prepared and mixed in the top piece 103; the inner part 2 is of a triangular structure, the bottoms of the two ends of the inner part 2 are of wedge-shaped structures and can swing left and right in the top part 103, residues or sediments at the bottom end in the top part 103 are scraped and removed, residues are avoided, and incomplete preparation and mixing are avoided, the inner part 2 is installed at the bottom end in the top part 103, two outer grooves 201 are respectively arranged on the two sides of the inner part 2, the outer grooves 201 are of arc-shaped structures and can push materials to flow upwards and turn over, and the top end of the inner part 2 is of a wedge-shaped structure; planking 3, planking 3 is the rectangular plate structure, planking 3 is equipped with two altogether, two planking 3 are located the top both sides of main part 1, both sides that can be in main part 1 use simultaneously, planking 3 is in the both sides of liftout 103, the bottom of planking 3 is inserted inside the slot, make planking 3 can freely install the use, the top inboard of every planking 3 is equipped with a roof 303, the inner of roof 303 is equipped with three inserted bar 304, the outside of every inserted bar 304 is equipped with align to grid's promotion head 305, the both ends of promotion head 305 are constituteed by two arcs, after making liftout 103 receive vibrating motor swing power, liftout 103 drives the material swing, make promotion head 305 can fully promote the material, and then utilize vibrating motor to strengthen the mixed preparation effect, the intermediate position both ends that promote head 305 are the wedge structure, can effectual promotion material.
Referring to fig. 5, a top groove 101 is formed in the middle of the top end of the main body 1, the top groove 101 is of a rectangular structure and is used for mounting a top part 103, so that the top part 103 can swing inside the top groove, the bottoms of the two ends of the top groove 101 are connected with slots, a guide rod 102 is respectively arranged on the front side and the rear side of the top end of the top groove 101, and the guide rods 102 are of a rectangular structure and are embedded inside a side groove 104, so that the inner part 2 can swing in a guiding displacement manner; the top part 103 is of a rectangular structure, the top part 103 is internally of the rectangular structure and used for adding materials into the top part so that the materials can be mixed in the top part, a discharge hole is formed in the bottom of the front end of the top part 103, a heating part is arranged in the top part 103 and can heat the materials, a vibration motor is arranged on each of two sides of the top part 103 and can transmit vibration force to the top part 103 and control the top part 103 to swing left and right, side grooves 104 are formed in the bottoms of the front side and the rear side of the top part 103 respectively, the side grooves 104 are of the rectangular structure, and guide rods 102 are embedded in the side grooves 104 so that the top part 103 can be guided to move; the top both sides of top piece 103 are equipped with an auxiliary groove 105 respectively, auxiliary groove 105 is the rectangle structure, be used for making roof 303 can be at its inside direction displacement, sealing plate 106 is installed on the top of top piece 103, sealing plate 106 is the rectangle structure, can be sealed with the top of main part 1, the bottom of sealing plate 106 is equipped with four rectangle poles, the rectangle pole inserts the inside at top piece 103, the bottom both sides of top piece 103 are equipped with two rectangular plates respectively, the rectangular plate contacts with the top both sides of top piece 103, it is sealed to make rectangle pole and rectangular plate can control sealing plate 106 and install the top at top piece 103.
Referring to fig. 6, two support blocks 202 are respectively disposed at the front end and the rear end of the inner member 2, the support blocks 202 are rectangular and are used for contacting with the inner side of the top member 103, so that the inner member 2 can be positioned and installed inside the top member 103, three support plates 203 are respectively disposed at the two sides of the top end of the inner member 2, and the support plates 203 are V-shaped and can support and install the connectors 204; a connecting head 204 is arranged above the outer end of each supporting plate 203, the connecting head 204 is of a rectangular frame structure and is used for inserting the bottom end of the inserting rod 304, so that the inserting rod 304 can be connected with the internal part 2, a reset plate 205 is arranged on the outer side of each connecting head 204, the reset plate 205 is of a T-shaped structure, the outer end of the reset plate 205 is of a cylindrical structure, the reset plate 205 is made of a spring plate and is used for being in contact with two sides of the inner part of the top part 103, after the internal part 2 stops swinging, the internal part 2 can be located in the middle position of the inner part 103, and the four inserting rods 304 can be inserted into the connecting heads 204.
Referring to fig. 7, two sides of the outer plate 3 are respectively provided with a side member 301, the top end of the side member 301 is in a wedge-shaped structure, the bottom of the side member 301 contacts with the upper part of the guide rod 102, so that the outer plate 3 can be controlled and guided to be mounted, the inner side of each outer plate 3 is provided with a push plate 302, the push plates 302 are in a Y-shaped structure, the push plates 302 are made of spring steel plates, and the inner sides of the push plates 302 contact with the outer side of the top member 103 to control the swing amplitude of the top member 103 and avoid excessive displacement of the top member 103; the top plate 303 is a rectangular plate-shaped structure, the top plate 303 is inserted into the auxiliary groove 105 and can transmit power, the insertion rod 304 can be supported for use, the insertion rod 304 is positioned inside the top piece 103, the top end of the insertion rod 304 is a diamond-shaped structure and can smoothly move in a material, the bottom end of the insertion rod 304 is a rectangular structure, and the bottom end of the insertion rod 304 is inserted into the connecting head 204 and can be connected with the inner piece 2, so that the inner piece 2 can be controlled and guided to move.
Optionally, the method comprises the following steps:
01. adding iron thiocyanate, tetramethylammonium chloride and a little hydroquinone into methacrylic acid, stirring and heating to 90 ℃, and 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, carrying out reduced pressure distillation, collecting 0.67kPa fraction at 86-89 ℃ to obtain a finished product, wherein the yield is over 80%;
2. the potassium methacrylate reacts with chloroethanol in the presence of a polymerization inhibitor to generate crude methacrylic acid-2-hydroxyethyl ester, and a finished product is obtained through salting out and refining, so that the preparation process is completed.
The molecular formula is as follows: C6H10O3;
molecular weight: 130.14 of the total weight of the alloy;
the reaction formula is as follows: C2H4O + C4H6O2= C6H10O3;
structural formula (la): refer to fig. 8;
the technical indexes are as follows:
appearance: colorless transparent liquid
The content is as follows: more than or equal to 98.5 percent;
moisture; less than or equal to 0.2 percent;
chroma: 20Pt-Co;
mass fraction of free acid: less than or equal to 0.1 percent;
polymerization inhibitor: 180-220PPm;
refractive index: 1.4510-1.4540nD20;
glass transition temperature: at 55 deg.c.
The specific use mode and function of the embodiment are as follows: in the invention, when the device is needed, the sealing plate 106 can be controlled to be taken down through manpower, methacrylic acid is added into the top part 103, then iron thiocyanate, tetramethylammonium chloride and the like and a little hydroquinone are added into the methacrylic acid, then the heating element is opened, the heating temperature is set to be 90 ℃, then the two outer plates 3 are controlled to be installed, the outer plates 3 can be inserted into the slot, the push plate 302 can be contacted with the two sides of the top part 103, the top plate 303 can be embedded into the auxiliary slot 105, the insertion rod 304 can drive the push head 305 to be inserted into the top part 103, then the sealing plate 106 is controlled to be positioned, installed and sealed, then the vibration motor switch is opened, after the vibration motor is operated, the vibration motor can transmit the vibration force to the top part 103, so that the top part 103 can be mixed by vibration, meanwhile, the vibrating motor controls the left-right swing of the top piece 103, so that the top piece 103 can drive materials to swing together, when the top piece 103 swings, the internal piece 2 swings and moves left and right in the top piece 103, the bottoms of the two sides of the internal piece 2 can scrape and remove residues and sediments at the bottom end in the top piece 103, sediment residues are avoided, the outer groove 201 can assist in pushing the materials to upwards surge, the mixing preparation effect is improved, meanwhile, the insertion rod 304 is pushed to mix and stir in the materials, the circulation of the materials can be effectively controlled on the two sides of the pushing head 305, further, the device can stir by using vibration force, the preparation effect is improved, the preparation efficiency is improved, the preparation time is shortened, the materials are taken out, the materials are reacted for about 2 hours by introducing ethylene oxide gas under the protection of nitrogen, then the reaction products are cooled to 60 ℃, a small amount of hydroquinone is added, and then the distillation is carried out under reduced pressure, collecting 0.67kPa fraction at 86-89 ℃ to obtain a finished product, and further completing the preparation and synthesis of the hydroxyethyl methacrylate.
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 (3)
1. Synthetic production facility based on hydroxyethyl methacrylate characterized in that, the production facility includes: a main body (1); the two ends of the main body (1) are both wedge-shaped structures, the main body (1) is made of metal, two slots are formed in the bottom of the main body (1), the slots are rectangular structures, and a top piece (103) is installed at the top end of the main body (1); the inner part (2) is of a triangular structure, the bottoms of the two ends of the inner part (2) are of wedge-shaped structures, the inner part (2) is installed at the bottom end of the inside of the top part (103), two sides of the inner part (2) are respectively provided with an outer groove (201), the outer grooves (201) are of arc-shaped structures, and the top end of the inner part (2) is of a wedge-shaped structure; the outer plates (3) are arranged, the two outer plates (3) are arranged on two sides of the top end of the main body (1), the outer plates (3) are arranged on two sides of the top piece (103), the bottoms of the outer plates (3) are inserted into the slots, a top plate (303) is arranged on the inner side of the top end of each outer plate (3), three insertion rods (304) are arranged at the inner ends of the top plates (303), pushing heads (305) which are uniformly arranged are arranged on the outer side of each insertion rod (304), two ends of each pushing head (305) are composed of two arc-shaped plates, and two ends of the middle position of each pushing head (305) are of a wedge-shaped structure;
a top groove (101) is formed in the middle of the top end of the main body (1), the bottoms of two ends of the top groove (101) are connected with the inserting grooves, guide rods (102) are arranged on the front side and the rear side of the top end of the top groove (101) respectively, and the guide rods (102) are of rectangular structures;
the inner part of the top piece (103) is of a rectangular structure, a discharge hole is formed in the bottom of the front end of the top piece (103), a heating piece is arranged in the top piece (103), two vibration motors are arranged on two sides of the top piece (103), side grooves (104) are formed in the bottoms of the front side and the rear side of the top piece (103), the side grooves (104) are of a rectangular structure, and guide rods (102) are embedded in the side grooves (104);
two sides of the top end of the top piece (103) are respectively provided with an auxiliary groove (105), the top end of the top piece (103) is provided with a sealing plate (106), the bottom of the sealing plate (106) is provided with four rectangular rods, the rectangular rods are inserted into the top piece (103), two sides of the bottom of the sealing plate (106) are respectively provided with two rectangular plates, and the rectangular plates are in contact with two sides of the top end of the top piece (103);
two supporting blocks (202) are respectively arranged at the front end and the rear end of the internal part (2), three supporting plates (203) are respectively arranged at two sides of the top end of the internal part (2), and the supporting plates (203) are of V-shaped structures;
a connector (204) is arranged above the outer end of each supporting plate (203), a reset plate (205) is arranged on the outer side of each connector (204), the reset plate (205) is of a T-shaped structure, the outer end of the reset plate (205) is of a cylindrical structure, and the reset plate (205) is made of a spring plate material;
the top plate (303) is inserted into the auxiliary groove (105), the insertion rod (304) is positioned inside the top piece (103), the top end of the insertion rod (304) is of a diamond structure, the bottom end of the insertion rod (304) is of a rectangular structure, and the bottom end of the insertion rod (304) is inserted into the connector (204).
2. The hydroxyethyl methacrylate-based synthesis production apparatus according to claim 1, wherein: the novel push-pull type anti-theft door is characterized in that side pieces (301) are arranged on two sides of the outer plate (3) respectively, the top ends of the side pieces (301) are of wedge-shaped structures, the bottom of each side piece (301) is in contact with the upper portion of the guide rod (102), a push plate (302) is arranged on the inner side of each outer plate (3), each push plate (302) is of a Y-shaped structure, each push plate (302) is made of a spring steel plate, and the inner side of each push plate (302) is in contact with the outer side of the corresponding top piece (103).
3. The preparation process of hydroxyethyl methacrylate is characterized by comprising the following steps: the hydroxyethyl methacrylate-based synthesis production apparatus according to any one of claims 1 to 2 is used, comprising the steps of:
adding iron thiocyanate, tetramethylammonium chloride and a little hydroquinone into methacrylic acid, stirring and heating to 90 ℃, and 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, carrying out reduced pressure distillation, collecting the fraction at 86-89 ℃ and under 0.67kPa to obtain the finished product, wherein the yield is over 80 percent.
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Denomination of invention: Production equipment and preparation process based on the synthesis of hydroxyethyl methacrylate Granted publication date: 20221216 Pledgee: Agricultural Bank of China Limited Dongzhi County Branch Pledgor: Chizhou Fangda Technology Co.,Ltd.|Chen Fang Registration number: Y2024980002081 |