CN112791689A - Energy-saving and environment-friendly process for producing MBS resin - Google Patents
Energy-saving and environment-friendly process for producing MBS resin Download PDFInfo
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- CN112791689A CN112791689A CN202110392487.2A CN202110392487A CN112791689A CN 112791689 A CN112791689 A CN 112791689A CN 202110392487 A CN202110392487 A CN 202110392487A CN 112791689 A CN112791689 A CN 112791689A
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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
- B01J19/18—Stationary reactors having moving elements inside
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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
- B01J19/0053—Details of the reactor
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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
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
- C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
- C08F279/06—Vinyl aromatic monomers and methacrylates as the only monomers
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- 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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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polymerisation Methods In General (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Abstract
The invention discloses an energy-saving and environment-friendly process for producing MBS resin, which belongs to the technical field of energy-saving and environment-friendly processes and comprises a reaction kettle, wherein a first through hole is formed in the middle of the top surface of the reaction kettle, a vertical pipe is arranged in the first through hole, the periphery of the vertical pipe is connected with the inner wall of the first through hole through a sealing bearing, the upper end and the lower end of the vertical pipe are both closed, the upper end of the vertical pipe is positioned above the reaction kettle, a driven gear is fixedly arranged at the upper end of the vertical pipe, the lower end of the vertical pipe is positioned in the reaction kettle. The invention reserves the design scheme of utilizing steam to directly heat in the prior art, and can ensure that the steam is smoothly sprayed out from the nozzle to heat the reaction materials; meanwhile, the steam-steam mixing device is reasonable in structural design and convenient to use, and when steam is sprayed out through the nozzle, the reaction materials are continuously stirred by the hollow stirring blades, so that the steam can be ensured to be fully contacted with the reaction materials, and the reaction materials are heated more uniformly.
Description
Technical Field
The invention relates to an energy-saving and environment-friendly process, in particular to an energy-saving and environment-friendly process for producing MBS resin.
Background
In MBS production, emulsion polymerization is a key synthetic process, and the quality of the reaction directly affects the product quality, material unit consumption, energy consumption and three-waste discharge. The specific production process of the emulsion graft polymerization method for MBS production is as follows: adding styrene-butadiene latex prepared by emulsion polymerization, methyl methacrylate, styrene and water into a polymerization reaction kettle according to a specified proportion, adding an emulsifier, stirring and emulsifying, and then adding a proper amount of initiator to carry out emulsion graft polymerization reaction, wherein the polymerization temperature is about 65 ℃, and the polymerization time is about 5 hours; after the polymerization reaction is finished, the MBS resin is obtained through coagulation, centrifugal separation, drying, extrusion and granulation.
Traditional MBS production technology is outside kettle-type reactor (be polymeric reaction cauldron), adopts the mode of pressing from both sides the cover heating to heat the material in the polymeric reaction cauldron, because the heating is inhomogeneous, leads to the knot material kiss on the reation kettle cauldron wall, influences thermal conduction, can influence the quality of product and the consumption of the energy when serious, and prior art discloses that the application number is: CN 201510185168.9's a new technology of energy-concerving and environment-protective of production MBS resin, the problem of the material kiss-coating on the reation kettle cauldron wall that produces in this application can be solved to the emulsion polymerization, but the nozzle inserts among the reactant in this application, and the nozzle is stopped up easily to the reactant, and then leads to steam can't spout from the nozzle smoothly, heats reactant.
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly process for producing MBS resin, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
an energy-saving and environment-friendly process for producing MBS resin comprises a reaction kettle, wherein a first through hole is formed in the middle of the top surface of the reaction kettle, a vertical pipe is arranged in the first through hole, the periphery of the vertical pipe is connected with the inner wall of the first through hole through a sealing bearing, the upper end and the lower end of the vertical pipe are sealed, the upper end of the vertical pipe is positioned above the reaction kettle, a driven gear is fixedly arranged at the upper end of the vertical pipe, the lower end of the vertical pipe is positioned in the reaction kettle, a plurality of hollow stirring blades which are symmetrically distributed in a staggered mode are respectively arranged on the left side and the right side of the vertical pipe, the inner ends of the hollow stirring blades are open, the outer ends of the hollow stirring blades are sealed, the inner ends of the hollow stirring blades are communicated with the interior of the vertical pipe, the cross section of each hollow stirring blade is triangular, the outlet duct that is located the second line is the level setting, the outlet duct that is located the third line sets up downwards in the slope, the nozzle is installed to the outlet duct outer end, the outlet duct is with corresponding nozzle structure as an organic whole, the second through-hole is seted up at standpipe upper end middle part, be equipped with steam heating pipe in the second through-hole, be connected through sealed bearing between steam heating pipe periphery and the second through-hole inner wall, the equal opening in both ends about the steam heating pipe, and steam heating pipe upper end is located the standpipe top, the lower extreme stretches into inside the standpipe, the recess is seted up to the reation kettle top surface, install the motor in the recess, the output fixed mounting driving gear of motor.
In the energy-saving and environment-friendly process for producing the MBS resin, the inner side surface of the hollow stirring blade refers to the front surface of the hollow stirring blade positioned on the left side and the back surface of the hollow stirring blade positioned on the right side.
According to the energy-saving and environment-friendly process for producing the MBS resin, the lower end of the steam heating pipe is provided with the high-pressure nozzle.
According to the energy-saving and environment-friendly process for producing the MBS resin, the scraper can be detachably arranged between the outer ends of the hollow stirring blades positioned on the same side, and the outer end of the scraper is contacted with the inner wall of the reaction kettle.
According to the energy-saving and environment-friendly process for producing MBS resin, the inner end of the scraper is fixedly provided with a plurality of T-shaped inserting blocks which are distributed up and down, the outer end of the hollow stirring blade is fixedly provided with the rectangular block, the middle part of the top surface of the rectangular block is provided with the T-shaped inserting groove, except for the two T-shaped inserting grooves which are positioned at the lowest part at the left side and the right side, the bottom surfaces of the other T-shaped inserting grooves are all opened, the T-shaped inserting blocks correspond to the T-shaped inserting grooves, and the T-shaped inserting blocks can be inserted into the.
According to the energy-saving and environment-friendly process for producing MBS resin, the inner side surface of the hollow stirring blade is provided with a plurality of threaded through holes, the threaded through holes correspond to the air outlet pipe, the periphery of the air outlet pipe is provided with external threads, and the external threads are in threaded fit with the corresponding threaded through holes.
The invention has the advantages that: the invention reserves the design scheme of utilizing steam to directly heat in the prior art, and can ensure that the steam is smoothly sprayed out from the nozzle to heat the reaction materials; meanwhile, the steam-steam mixing device is reasonable in structural design and convenient to use, and when steam is sprayed out through the nozzle, the reaction materials are continuously stirred by the hollow stirring blades, so that the steam can be ensured to be fully contacted with the reaction materials, and the reaction materials are heated more uniformly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic structural view of a hollow stirring blade; FIG. 3 is a schematic view showing a connecting structure of a hollow stirring blade and a scraper; fig. 4 is an enlarged view of part I of fig. 1.
Reference numerals: 1. a reaction kettle; 2. a first through hole; 3. a vertical tube; 4. a driven gear; 5. a hollow stirring blade; 6. a nozzle; 7. a second through hole; 8. a steam heating pipe; 9. a groove; 10. a motor; 11. a driving gear; 12. a high pressure nozzle; 13. a squeegee; 14. a T-shaped insert block; 15. a rectangular block; 16. a T-shaped slot; 17. a threaded through hole; 18. and an air outlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figures 1-4, an energy-saving and environment-friendly process for producing MBS resin comprises a reaction kettle 1, a first through hole 2 is arranged at the middle part of the top surface of the reaction kettle 1, a vertical pipe 3 is arranged in the first through hole 2, the periphery of the vertical pipe 3 is connected with the inner wall of the first through hole 2 through a sealing bearing, the upper end and the lower end of the vertical pipe 3 are both sealed, the upper end of the vertical pipe 3 is positioned above the reaction kettle 1, a driven gear 4 is fixedly arranged at the upper end of the vertical pipe 3, the lower end of the vertical pipe 3 is positioned in the reaction kettle 1, a plurality of hollow stirring blades 5 which are symmetrically distributed in a staggered mode are respectively arranged at the left side and the right side of the vertical pipe 3, the inner ends of the hollow stirring blades 5 are opened, the outer ends are sealed, the inner ends of the hollow stirring blades 5 are communicated with the interior of, each row of air outlet pipe group comprises a plurality of air outlet pipes 18 which are uniformly distributed, the air outlet pipe 18 positioned on the first row is obliquely and upwards arranged, the air outlet pipe 18 positioned on the second row is horizontally arranged, the air outlet pipe 18 positioned on the third row is obliquely and downwards arranged, the outer end of the air outlet pipe 18 is provided with a nozzle 6, the air outlet pipe 18 and the corresponding nozzle 6 are of an integral structure, the middle part of the upper end of the vertical pipe 3 is provided with a second through hole 7, a steam heating pipe 8 is arranged in the second through hole 7, the periphery of the steam heating pipe 8 is connected with the inner wall of the second through hole 7 through a sealing bearing, the upper end, and the upper end of the steam heating pipe 8 is positioned above the vertical pipe 3, and the lower end of the steam heating pipe extends into the vertical pipe 3, a groove 9 is formed in the top surface of the reaction kettle 1, a motor 10 is installed in the groove 9, a driving gear 11 is fixedly installed at the output end of the motor 10, and the driving gear 11 is meshed with the driven gear 4. When the steam heating device is used, steam enters the vertical pipe 3 through the steam heating pipe 8, flows downwards to enter each hollow stirring blade 5, finally enters the nozzle 6 through the air outlet pipe 18 to be sprayed out, and the reaction materials are directly heated, meanwhile, the motor 10 is started, the motor 10 drives the driving gear 11 to rotate anticlockwise, the driving gear 11 is meshed and matched with the driven gear 4, the driven gear 4 rotates clockwise, the driven gear 4 drives the vertical pipe 3 to rotate clockwise, the vertical pipe 3 drives the hollow stirring blades 5 on the vertical pipe to rotate clockwise, and the reaction materials are continuously stirred, so that the hollow stirring blades 5 are stirred while the nozzle 6 sprays the steam, and the reaction materials can be heated more uniformly; because the hollow stirring blade 5 rotates clockwise, the cross section of the hollow stirring blade 5 is triangular, the top surface and the bottom surface of the hollow stirring blade 5 are both inclined surfaces, the inner side surface is a plane, and the hollow stirring blade 5 rotates clockwise from the outer side surface to the inner side surface, so that a certain gap is formed between an upper layer reaction material and a lower layer reaction material when the hollow stirring blade 5 rotates clockwise, and the nozzle 6 is arranged on the inner side surface of the hollow stirring blade 5, steam can be sprayed into the gap between the upper layer reaction material and the lower layer reaction material through the nozzle 6, so that the steam can be guaranteed to be smoothly sprayed out to heat the reaction materials; the invention reserves the design scheme of utilizing steam to heat directly in the prior art, and can ensure that the steam is sprayed out from the nozzle 6 smoothly to heat the reaction materials; meanwhile, the steam jet type reaction kettle is reasonable in structural design and convenient to use, and when steam is sprayed out through the nozzle 6, the reaction materials are continuously stirred by the hollow stirring blades 5, so that the steam can be fully contacted with the reaction materials, and the reaction materials are heated more uniformly.
Specifically, the inner side surface of the hollow stirring vane 5 in the present embodiment refers to the front surface of the hollow stirring vane 5 located on the left side and the back surface of the hollow stirring vane 5 located on the right side.
Specifically, the lower end of the steam heating pipe 8 in this embodiment is provided with a high-pressure nozzle 12.
Further, in this embodiment, the scraper 13 is detachably installed between the outer ends of the hollow stirring blades 5 located on the same side, and the outer end of the scraper 13 is in contact with the inner wall of the reaction kettle 1. The emulsion adhered to the kettle wall of the reaction kettle 1 can be hung by arranging the scraper 13, so that the material caking and the glue hanging on the kettle wall of the reaction kettle 1 are avoided.
Furthermore, in the present embodiment, a plurality of T-shaped insertion blocks 14 distributed up and down are fixedly installed at the inner end of the scraper 13, a rectangular block 15 is fixedly installed at the outer end of the hollow stirring blade 5, a T-shaped slot 16 is formed in the middle of the top surface of the rectangular block 15, except for the two T-shaped slots 16 located at the lowest positions on the left and right sides, the bottom surfaces of the other T-shaped slots 16 are open, the T-shaped insertion blocks 14 correspond to the T-shaped slots 16, and the T-shaped insertion blocks 14 can be inserted into the corresponding T-shaped slots 16. This structure enables the removable mounting of the squeegee 13.
Furthermore, the inner side surface of the hollow stirring vane 5 of the present embodiment is provided with a plurality of threaded through holes 17, the threaded through holes 17 correspond to the air outlet pipe 18, and the outer periphery of the air outlet pipe 18 is provided with external threads, and the external threads are in threaded fit with the corresponding threaded through holes 17. Through the cooperation of external screw thread and screw thread through-hole 17, nozzle 6 is changed to convenient to detach, easy operation, convenient to use.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. An energy-saving and environment-friendly process for producing MBS resin is characterized in that: comprises a reaction kettle (1), a first through hole (2) is arranged in the middle of the top surface of the reaction kettle (1), a vertical pipe (3) is arranged in the first through hole (2), the periphery of the vertical pipe (3) is connected with the inner wall of the first through hole (2) through a sealing bearing, the upper end and the lower end of the vertical pipe (3) are both sealed, the upper end of the vertical pipe (3) is positioned above the reaction kettle (1), a driven gear (4) is fixedly arranged at the upper end of the vertical pipe (3), the lower end of the vertical pipe (3) is positioned in the reaction kettle (1), a plurality of hollow stirring blades (5) which are symmetrically distributed in a staggered mode are respectively arranged at the left side and the right side of the vertical pipe (3), the inner ends of the hollow stirring blades (5) are open, the outer ends are sealed, the inner ends of the hollow stirring blades (5) are communicated with the interior of the vertical pipe (, the inner side surface of the hollow stirring blade (5) is provided with three rows of air outlet pipe groups, each row of air outlet pipe group comprises a plurality of air outlet pipes (18) which are uniformly distributed, the air outlet pipe (18) positioned on the first row is obliquely and upwards arranged, the air outlet pipe (18) positioned on the second row is horizontally arranged, the air outlet pipe (18) positioned on the third row is obliquely and downwards arranged, the outer end of the air outlet pipe (18) is provided with a nozzle (6), the air outlet pipe (18) and the corresponding nozzle (6) are of an integral structure, the middle part of the upper end of the vertical pipe (3) is provided with a second through hole (7), a steam heating pipe (8) is arranged in the second through hole (7), the periphery of the steam heating pipe (8) is connected with the inner wall of the second through hole (7) through a sealing bearing, the upper end and the lower end of the steam heating pipe (8, a groove (9) is formed in the top surface of the reaction kettle (1), a motor (10) is installed in the groove (9), a driving gear (11) is fixedly installed at the output end of the motor (10), and the driving gear (11) is meshed with the driven gear (4) in a matched mode.
2. The energy-saving and environment-friendly process for producing MBS resin as claimed in claim 1, wherein the process comprises the following steps: the inner side surface of the hollow stirring blade (5) refers to the front surface of the hollow stirring blade (5) positioned on the left side and the back surface of the hollow stirring blade (5) positioned on the right side.
3. The energy-saving and environment-friendly process for producing MBS resin as claimed in claim 1, wherein the process comprises the following steps: the lower end of the steam heating pipe (8) is provided with a high-pressure nozzle (12).
4. The energy-saving and environment-friendly process for producing MBS resin as claimed in claim 1, wherein the process comprises the following steps: the scraper (13) is detachably arranged between the outer ends of the hollow stirring blades (5) on the same side, and the outer end of the scraper (13) is contacted with the inner wall of the reaction kettle (1).
5. The energy-saving and environment-friendly process for producing MBS resin as claimed in claim 4, wherein the process comprises the following steps: scraper blade (13) inner fixed mounting several T type inserted block (14) that distribute from top to bottom, hollow stirring vane (5) outer end fixed mounting rectangular block (15), T type slot (16) are seted up at rectangular block (15) top surface middle part, except that the left and right sides is located two T type slots (16) of below, all the other T type slot (16) bottom surfaces all are the open-ended, T type inserted block (14) are corresponding with T type slot (16), and in T type inserted block (14) can insert corresponding T type slot (16).
6. The energy-saving and environment-friendly process for producing MBS resin as claimed in claim 1, wherein the process comprises the following steps: a plurality of thread through holes (17) are formed in the inner side face of the hollow stirring blade (5), the thread through holes (17) correspond to the air outlet pipe (18), external threads are arranged on the periphery of the air outlet pipe (18), and the external threads are in thread fit with the corresponding thread through holes (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110392487.2A CN112791689B (en) | 2021-04-13 | 2021-04-13 | Energy-saving and environment-friendly process for producing MBS resin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110392487.2A CN112791689B (en) | 2021-04-13 | 2021-04-13 | Energy-saving and environment-friendly process for producing MBS resin |
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| CN112791689A true CN112791689A (en) | 2021-05-14 |
| CN112791689B CN112791689B (en) | 2022-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477203A (en) * | 2021-07-12 | 2021-10-08 | 宁波高新区巴艺新材料科技有限公司 | Agitating unit is used in acrylic resin production |
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| CN212595167U (en) * | 2020-03-10 | 2021-02-26 | 北京三态环境科技有限公司 | Rotatory heating device of kitchen garbage |
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| US20130248767A1 (en) * | 2012-03-26 | 2013-09-26 | Sundrop Fuels, Inc. | Pretreatment of biomass using thermo mechanical methods before gasification |
| CN206199275U (en) * | 2016-11-19 | 2017-05-31 | 杜筱兰 | A kind of shock reducing type temperature controllable high-efficiency stirring reactor |
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| CN112791689B (en) | 2022-04-05 |
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