CN112619589A - Combined device for preparing mixed fatty acid methyl ester - Google Patents
Combined device for preparing mixed fatty acid methyl ester Download PDFInfo
- Publication number
- CN112619589A CN112619589A CN202011478203.3A CN202011478203A CN112619589A CN 112619589 A CN112619589 A CN 112619589A CN 202011478203 A CN202011478203 A CN 202011478203A CN 112619589 A CN112619589 A CN 112619589A
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- Prior art keywords
- reaction kettle
- box body
- side wall
- fixedly arranged
- pipe
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- 235000019387 fatty acid methyl ester Nutrition 0.000 title claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 117
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 18
- 241001270131 Agaricus moelleri Species 0.000 claims description 16
- 238000005886 esterification reaction Methods 0.000 claims description 11
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 10
- 229930195729 fatty acid Natural products 0.000 claims description 10
- 239000000194 fatty acid Substances 0.000 claims description 10
- 150000004665 fatty acids Chemical class 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000032050 esterification Effects 0.000 claims description 2
- 150000004702 methyl esters Chemical class 0.000 claims 6
- 239000000126 substance Substances 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 26
- 235000019198 oils Nutrition 0.000 description 26
- 235000019737 Animal fat Nutrition 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 150000002148 esters Chemical group 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- B01J19/0006—Controlling or regulating processes
-
- 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
- B01J19/0006—Controlling or regulating processes
- B01J19/0013—Controlling the temperature of the process
-
- 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
-
- 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
- B01J19/006—Baffles
-
- 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
- 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
- B01J19/0073—Sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/04—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fats or fatty oils
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00765—Baffles attached to the reactor wall
- B01J2219/00768—Baffles attached to the reactor wall vertical
Abstract
The invention discloses a combined device for preparing mixed fatty acid methyl ester, and relates to the technical field of chemical equipment, wherein a reaction kettle is inserted into a box body; the upper side surface of the reaction kettle penetrates through the top surface of the box body through a bearing in a rotating mode, and then extends to the upper side of the box body, a gear ring is fixedly arranged on the outer side wall of a flange of the extending end, a gear is arranged on the right side wall of the gear ring in a meshed mode, and the middle of the gear is fixedly connected with the output end of a driving motor; a condenser and a liquid storage tank are sequentially and fixedly arranged on the rear side wall of the box body from top to bottom; a fixed rod is vertically and fixedly arranged on the inner top surface of the box body, and a plurality of turbulence rods are sequentially and equidistantly fixedly arranged on the fixed rod from top to bottom; a cavity is arranged between the outer side wall of the reaction kettle and the peripheral wall inside the box body, and heat conduction oil is filled inside the cavity; can carry out abundant stirring to the raw materials for the more abundant of reaction, simultaneously, can carry out even heating to the cauldron of esterifying, make going on that the reaction is more smooth.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a combined device for preparing mixed fatty acid methyl ester.
Background
Today, the world industry is developed, the demand of human beings on diesel oil is increased greatly, the direct influence on the environment and energy sources can be generated, and people begin to search for environment-friendly and renewable energy sources; fatty acid methyl ester is a kind of energy source, which is derived from vegetable oil or animal fat, and can reduce air pollution and carbon dioxide emission; at present, the method for preparing the mixed fatty acid methyl ester adopts physical and chemical methods, wherein the physical method comprises a direct method and micro-emulsification, and the chemical method comprises pyrolysis and ester exchange, and the two methods adopt vegetable oil and animal fat as raw materials; when the mixed fatty acid methyl ester is prepared by a chemical method, due to the physical characteristics of methanol, fatty acid and a catalyst, a sufficient reaction cannot be performed during an esterification reaction, and meanwhile, when reaction raw materials are heated, a phenomenon of uneven heating is easily generated, so that improvement is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art, and provides the combined device for preparing the mixed fatty acid methyl ester, which is simple in structure, reasonable in design and convenient to use, can fully stir raw materials to enable the reaction to be more complete, and can uniformly heat an esterification kettle to enable the reaction to be more smooth.
In order to achieve the purpose, the invention adopts the technical scheme that: the device comprises a box body, supporting legs and an electric cabinet; four corners at the bottom of the box body are vertically and fixedly provided with supporting legs, and the front side wall of the box body is fixedly provided with an electric cabinet; a liquid inlet pipe and a gas outlet pipe are fixedly arranged on the top surface of the box body; the device also comprises a reaction kettle, a driving motor, a gear, a toothed ring, a first heating pipe, a fixed rod, a turbulence rod and a discharging pipe; a reaction kettle is inserted into the box body, a flat-top thrust ball bearing is fixedly arranged at the bottom of the reaction kettle, the lower side surface of the flat-top thrust ball bearing is fixedly arranged on the inner bottom surface of the box body, a discharge pipe is fixedly arranged on the bottom surface of the reaction kettle, the lower end of the discharge pipe sequentially penetrates through the middle part of the flat-top thrust ball bearing and the bottom surface of the box body and then extends to the lower side of the box body, and a control valve is fixedly arranged on the extending end; the upper side surface of the reaction kettle penetrates through the top surface of the box body through a bearing in a rotating mode and then extends to the upper side of the box body, a gear ring is fixedly arranged on the outer side wall of a flange at the extending end, a gear is meshed with the right side wall of the gear ring, the middle of the gear is fixedly connected with the output end of a driving motor, and the driving motor is fixedly arranged on the right side wall of the box body through a motor support; the liquid inlet pipe and the gas outlet pipe are communicated with the inside of the reaction kettle; the rear side wall of the box body is fixedly provided with a condenser and a liquid storage tank from top to bottom in sequence, the other end of the air outlet pipe is fixedly connected with the air inlet end of the condenser, and the liquid outlet end of the condenser is communicated with the inside of the liquid storage tank through a pipeline; a fixed rod is vertically and fixedly arranged on the inner top surface of the box body, and a plurality of turbulence rods are sequentially and equidistantly fixedly arranged on the fixed rod from top to bottom; a cavity is arranged between the outer side wall of the reaction kettle and the peripheral wall inside the box body, heat conducting oil is filled inside the cavity, a first heating pipe is arranged inside the heat conducting oil, and the first heating pipe is wound on the outer side wall of the reaction kettle; an oil inlet pipe is fixedly arranged on the left side wall of the box body, the inner end of the oil inlet pipe is communicated with the inside of the cavity, and a sealing cover is fixedly arranged at the outer end of the oil inlet pipe; the driving motor, the first heating pipe and the condenser are all connected with a power supply in the electric cabinet.
Furthermore, an annular guide rail is fixedly arranged on the top surface of the box body around the upper side of the reaction kettle, a plurality of guide wheels are rotatably embedded on the bottom surface of the flange on the upper side of the reaction kettle through wheel shafts, and the lower parts of the guide wheels are arranged on the upper side of the annular guide rail in a rolling manner; when the reaction kettle rotates in the box body, the reaction kettle rolls on the annular guide rail through the guide wheel, and the upper side of the reaction kettle is supported and guided.
Furthermore, an annular groove is formed in the inner bottom surface of the box body at the periphery of the flat-top thrust ball bearing, a sealing ring is fixedly arranged at the periphery of the bottom surface of the reaction kettle, and the lower side edge of the sealing ring is movably embedded in the annular groove; the sealing ring increases the sealing performance between the bottom surfaces of the reaction kettle and the box body.
Furthermore, a second heating pipe is fixedly wound on the outer side wall of the discharge pipe and is connected with a power supply in the electric cabinet; the discharging pipe is heated through the second heating pipe, and the influence of the internal and external temperature difference on the state of a finished product inside the discharging pipe is reduced.
Furthermore, liquid level sensors are fixedly arranged in the reaction kettle and on the inner side wall of the cavity between the reaction kettle and the box body, and the liquid level sensors are connected with a power supply in the electric cabinet; the liquid level condition in the reaction kettle and the liquid level condition of the heat conducting oil are detected in time through the liquid level sensor.
Furthermore, a plurality of fixed plates are fixedly arranged on the fixed rods among the plurality of turbulence rods, scrapers are rotatably arranged at the other ends of the plurality of fixed plates through rotating shafts, two torsion springs are sleeved on the rotating shafts, one side arm of each torsion spring is fixedly connected with each scraper, and the other side arm of each torsion spring is fixedly connected with each fixed plate; the other side edge of the scraper is arranged in a manner of abutting against the inner side wall of the reaction kettle; when the reaction kettle rotates in the box body, the scraper plate is abutted to the inner side wall of the reaction kettle under the torsion action of the torsion spring, and the raw materials attached to the inner side wall of the reaction kettle are scraped.
The working principle of the invention is as follows: before the esterification reaction, conveying methanol, fatty acid and a catalyst into a reaction kettle through a feed pipe, conveying heat conduction oil into a cavity between the reaction kettle and a box body through an oil inlet pipe, then opening a first heating pipe through an electric cabinet, heating the heat conduction oil by heat generated by the first heating pipe, uniformly transmitting the heat to the reaction kettle by the heat conduction oil, heating raw materials in the reaction kettle, and heating the temperature to be more than 100 ℃; then, a driving motor is started through an electric cabinet, an output end of the driving motor drives a gear to rotate, the gear is meshed with a toothed ring, the toothed ring drives a reaction kettle to rotate in a box body through a flat-top thrust ball bearing, the heated position of the reaction kettle is continuously changed, meanwhile, a turbulence rod and the inner side wall of the reaction kettle generate relative motion, and the turbulence rod stirs raw materials in the reaction kettle, so that the raw materials are mixed more uniformly; steam generated by the esterification reaction is discharged into the condenser through the gas outlet pipe, and liquid with methanol condensed by the condenser is conveyed into the liquid outlet pipe, so that subsequent purification is facilitated and reuse is facilitated; and discharging the finished product of the esterification reaction through a discharge pipe.
After adopting the structure, the invention has the beneficial effects that:
1. the driving motor drives the gear ring to rotate through the gear, so that the reaction kettle rotates in the box body, the fixed rod and the reaction kettle are in a relative motion state, raw materials can be fully stirred, and the reaction is more complete;
2. the heat conduction oil is heated through the first heating pipe, the heat is transmitted to the side wall of the reaction kettle through the heat conduction oil, the reaction kettle can be uniformly heated, the reaction can be carried out more smoothly, and meanwhile, the position of the reaction kettle can be continuously changed in the continuous rotating process, so that the side wall of the reaction kettle is uniformly heated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a rear view of fig. 1.
Fig. 3 is a schematic view of the internal structure of the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of a portion B in fig. 3.
Fig. 6 is a schematic structural view of the squeegee, the fixing plate, the rotation shaft, and the torsion spring of the present invention.
Description of reference numerals:
the device comprises a box body 1, supporting legs 2, an electric cabinet 3, a liquid inlet pipe 4, a gas outlet pipe 5, a reaction kettle 6, a flat-top thrust ball bearing 7, a discharge pipe 8, a control valve 9, a toothed ring 10, a gear 11, a driving motor 12, a condenser 13, a liquid storage tank 14, a fixed rod 15, a turbulence rod 16, heat conduction oil 17, a first heating pipe 18, an oil inlet pipe 19, a sealing cover 20, an annular guide rail 21, a guide wheel 22, an annular groove 23, a sealing ring 24, a second heating pipe 25, a liquid level sensor 26, a fixed plate 27, a rotating shaft 28, a scraper 29 and a torsion spring.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 6, the technical solution adopted by the present embodiment is: the device comprises a box body 1, support legs 2 and an electric cabinet 3; four corners at the bottom of the box body 1 are vertically and fixedly welded with supporting legs 2, the front side wall of the box body 1 is fixedly provided with an electric cabinet 3 through bolts, and a power supply and control switch integrated circuit board is arranged inside the electric cabinet 3; a liquid inlet pipe 4 and a gas outlet pipe 5 are fixedly welded on the top surface of the box body 1; the device also comprises a reaction kettle 6, a driving motor 12, a gear 11, a toothed ring 10, a first heating pipe 18, a fixed rod 15, a turbulent flow rod 16 and a discharging pipe 8; a reaction kettle 6 is inserted in the box body 1, the reaction kettle 6 is made of nickel-based alloy with an anticorrosive coating, a flat-top thrust ball bearing 7 is fixedly arranged at the bottom of the reaction kettle 6 through bolts, the lower side surface of the flat-top thrust ball bearing 7 is fixedly arranged on the inner bottom surface of the box body 1 through bolts, an annular groove 23 is formed in the inner bottom surface of the box body 1 around the flat-top thrust ball bearing 7, a sealing ring 24 is fixedly arranged around the bottom surface of the reaction kettle 6 through bolts, and the lower side edge of the sealing ring 24 is movably embedded in the annular groove 23; the sealing ring 24 increases the sealing property between the reaction kettle 6 and the bottom surface of the box body 1, the discharge pipe 8 is fixedly welded on the bottom surface of the reaction kettle 6, the lower end of the discharge pipe 8 sequentially penetrates through the middle part of the flat-top thrust ball bearing 7 and the bottom surface of the box body 1 and then extends to the lower side of the box body 1, the extending end is fixedly provided with the control valve 9, the outer side wall of the discharge pipe 8 is fixedly wound with the second heating pipe 25, and the second heating pipe 25 is connected with a power supply in the electric cabinet 3; the discharging pipe 8 is heated through the second heating pipe 25, so that the influence of the internal and external temperature difference on the state of a finished product in the discharging pipe 8 is reduced; the upper side surface of the reaction kettle 6 penetrates through the top surface of the box body 1 through a bearing in a rotating mode, and then extends to the upper side of the box body 1, a toothed ring 10 is fixedly welded on the outer side wall of a flange of the extending end, a gear 11 is arranged on the right side wall of the toothed ring 10 in a meshed mode, the middle of the gear 11 is fixedly connected with the output end of a driving motor 12, the driving motor 12 is fixedly arranged on the right side wall of the box body 1 through a motor support and a bolt, and the type of the driving motor 12 is 60 KTYZ; an annular guide rail 21 is fixedly welded on the top surface of the box body 1 around the upper side of the reaction kettle 6, a plurality of guide wheels 22 are rotatably embedded on the bottom surface of a flange on the upper side of the reaction kettle 6 through wheel shafts, and the lower parts of the guide wheels 22 are arranged on the upper side of the annular guide rail 21 in a rolling manner; when the reaction kettle 6 rotates in the box body 1, the guide wheel 22 rolls on the annular guide rail 21 to support and guide the upper side of the reaction kettle 6; the liquid inlet pipe 4 and the gas outlet pipe 5 are communicated with the inside of the reaction kettle 6; a condenser 13 and a liquid storage tank 14 are fixedly arranged on the rear side wall of the box body 1 sequentially through bolts from top to bottom, the other end of the air outlet pipe 5 is fixedly connected with the air inlet end of the condenser 13 through a bolt and a flange, and the liquid outlet end of the condenser 13 is communicated with the interior of the liquid storage tank 14 through a pipeline; a fixed rod 15 is vertically and fixedly welded on the inner top surface of the box body 1, and a plurality of turbulence rods 16 are sequentially and fixedly welded on the fixed rod 15 at equal intervals from top to bottom; a cavity is arranged between the outer side wall of the reaction kettle 6 and the peripheral wall inside the box body 1, heat conduction oil 17 is filled inside the cavity, a first heating pipe 18 is arranged inside the heat conduction oil 17, and the first heating pipe 18 is wound on the outer side wall of the reaction kettle 6 through a bolt; an oil inlet pipe 19 is fixedly welded on the left side wall of the box body 1, the inner end of the oil inlet pipe 19 is communicated with the inside of the cavity, and a sealing cover 20 is fixedly arranged at the outer end of the oil inlet pipe 19 through a bolt, so that the sealing cover 20 can be detached; the driving motor 12, the first heating pipe 18 and the condenser 13 are all connected with a power supply in the electric cabinet 3;
a plurality of fixing plates 27 are fixedly welded on the fixing rod 15 among the plurality of spoiler rods 16, scrapers 29 are rotatably arranged at the other ends of the plurality of fixing plates 27 through rotating shafts 28, two torsion springs 30 are sleeved on the rotating shafts 28, one side arm of each torsion spring 30 is fixedly welded with the corresponding scraper 29, and the other side arm of each torsion spring 30 is fixedly welded with the corresponding fixing plate 27; the other side edge of the scraper 29 is arranged against the inner side wall of the reaction kettle 6; when the reaction kettle 6 rotates in the box body 1, the scraper 29 is abutted against the inner side wall of the reaction kettle 6 under the torsion action of the torsion spring 30, and the raw materials adhered to the inner side wall of the reaction kettle 6 are scraped.
The working principle of the specific embodiment is as follows: before the esterification reaction, conveying methanol, fatty acid and a catalyst into a reaction kettle 6 through a feed pipe, conveying heat-conducting oil 17 into a cavity between the reaction kettle 6 and a box body 1 through an oil inlet pipe 19, then opening a first heating pipe 18 through an electric cabinet 3, heating the heat-conducting oil 17 by heat generated by the first heating pipe 18, uniformly transmitting the heat to the reaction kettle 6 by the heat-conducting oil 17, heating raw materials in the reaction kettle 6, and heating the temperature to more than 100 ℃; then, a driving motor 12 is started through the electric cabinet 3, an output end of the driving motor 12 drives a gear 11 to rotate, the gear 11 is meshed with a toothed ring 10, the toothed ring 10 drives the reaction kettle 6 to rotate in the box body 1 through a flat-top thrust ball bearing 7, the heated position of the reaction kettle 6 is continuously changed, meanwhile, a relative motion is generated between a turbulence bar 16 and the inner side wall of the reaction kettle 6, and the turbulence bar 16 stirs raw materials in the reaction kettle 6, so that the raw materials are mixed more uniformly; steam generated by the esterification reaction is discharged into the condenser 13 through the gas outlet pipe 5, and liquid with methanol condensed by the condenser 13 is conveyed into the liquid outlet pipe, so that subsequent purification is facilitated and reuse is facilitated; the finished product of the esterification reaction is discharged through a discharge pipe 8.
After adopting above-mentioned structure, this embodiment beneficial effect does:
1. the driving motor 12 drives the gear ring 10 to rotate through the gear 11, so that the reaction kettle 6 rotates in the box body 1, and the fixed rod 15 and the reaction kettle 6 are in a relative motion state, so that raw materials can be fully stirred, and the reaction is more complete;
2. the heat conduction oil 17 is heated through the first heating pipe 18, and then the heat is transmitted to the side wall of the reaction kettle 6 through the heat conduction oil 17, so that the reaction kettle 6 can be uniformly heated, the reaction can be more smoothly carried out, meanwhile, the heating position of the reaction kettle 6 can be continuously changed in the continuous rotating process, and the side wall of the reaction kettle 6 is uniformly heated;
3. the discharging pipe 8 is heated through the second heating pipe 25, so that the influence of the internal and external temperature difference on the state of a finished product in the discharging pipe 8 is reduced;
4. when the reaction vessel 6 rotates inside the case 1, the guide wheel 22 rolls on the ring rail 21 to support and guide the upper side of the reaction vessel 6.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A combined device for preparing mixed fatty acid methyl ester comprises a box body (1), supporting legs (2) and an electric cabinet (3); four corners at the bottom of the box body (1) are vertically and fixedly provided with supporting legs (2), and the front side wall of the box body (1) is fixedly provided with an electric cabinet (3); a liquid inlet pipe (4) and a gas outlet pipe (5) are fixedly arranged on the top surface of the box body (1); the method is characterized in that: the device also comprises a reaction kettle (6), a driving motor (12), a gear (11), a toothed ring (10), a first heating pipe (18), a fixed rod (15), a turbulent flow rod (16) and a discharge pipe (8); a reaction kettle (6) is inserted into the box body (1), a flat-top thrust ball bearing (7) is fixedly arranged at the bottom of the reaction kettle (6), the lower side surface of the flat-top thrust ball bearing (7) is fixedly arranged on the inner bottom surface of the box body (1), a discharge pipe (8) is fixedly arranged on the bottom surface of the reaction kettle (6), the lower end of the discharge pipe (8) sequentially penetrates through the middle part of the flat-top thrust ball bearing (7) and the bottom surface of the box body (1) and then extends to the lower side of the box body (1), and a control valve (9) is fixedly arranged on the extending end; the upper side surface of the reaction kettle (6) penetrates through the top surface of the box body (1) through a bearing in a rotating mode, and then extends to the upper side of the box body (1), a gear ring (10) is fixedly arranged on the outer side wall of a flange of the extending end, a gear (11) is arranged on the right side wall of the gear ring (10) in a meshed mode, the middle of the gear (11) is fixedly connected with the output end of a driving motor (12), and the driving motor (12) is fixedly arranged on the right side wall of the box body (1) through a motor support; the liquid inlet pipe (4) and the gas outlet pipe (5) are communicated with the inside of the reaction kettle (6); a condenser (13) and a liquid storage tank (14) are sequentially and fixedly arranged on the rear side wall of the box body (1) from top to bottom, the other end of the air outlet pipe (5) is fixedly connected with the air inlet end of the condenser (13), and the liquid outlet end of the condenser (13) is communicated with the inside of the liquid storage tank (14) through a pipeline; a fixed rod (15) is vertically and fixedly arranged on the inner top surface of the box body (1), and a plurality of turbulence rods (16) are fixedly arranged on the fixed rod (15) at equal intervals in turn from top to bottom; a cavity is arranged between the outer side wall of the reaction kettle (6) and the peripheral wall of the interior of the box body (1), heat conduction oil (17) is filled in the cavity, a first heating pipe (18) is arranged in the heat conduction oil (17), and the first heating pipe (18) is wound on the outer side wall of the reaction kettle (6); an oil inlet pipe (19) is fixedly arranged on the left side wall of the box body (1), the inner end of the oil inlet pipe (19) is communicated with the inside of the cavity, and a sealing cover (20) is fixedly arranged at the outer end of the oil inlet pipe (19); the driving motor (12), the first heating pipe (18) and the condenser (13) are all connected with a power supply in the electric cabinet (3).
2. The combination of claim 1, wherein the methyl ester of a mixed fatty acid is prepared by: an annular guide rail (21) is fixedly arranged on the top surface of the box body (1) at the periphery of the upper side of the reaction kettle (6), a plurality of guide wheels (22) are rotatably embedded on the bottom surface of a flange at the upper side of the reaction kettle (6) through wheel shafts, and the lower parts of the guide wheels (22) are arranged on the upper side of the annular guide rail (21) in a rolling manner; when the reaction kettle (6) rotates in the box body (1), the guide wheel (22) rolls on the annular guide rail (21) to support and guide the upper side of the reaction kettle (6).
3. The combination of claim 1, wherein the methyl ester of a mixed fatty acid is prepared by: an annular groove (23) is formed in the inner bottom surface of the box body (1) at the periphery of the flat-top thrust ball bearing (7), a sealing ring (24) is fixedly arranged at the periphery of the bottom surface of the reaction kettle (6), and the lower side edge of the sealing ring (24) is movably embedded in the annular groove (23); the sealing ring (24) increases the sealing performance between the reaction kettle (6) and the bottom surface of the box body (1).
4. The combination of claim 1, wherein the methyl ester of a mixed fatty acid is prepared by: a second heating pipe (25) is fixedly wound on the outer side wall of the discharging pipe (8), and the second heating pipe (25) is connected with a power supply in the electric cabinet (3); the discharge pipe (8) is heated through the second heating pipe (25), and the influence of the internal and external temperature difference on the state of a finished product inside the discharge pipe (8) is reduced.
5. The combination of claim 1, wherein the methyl ester of a mixed fatty acid is prepared by: liquid level sensors (26) are fixedly arranged in the reaction kettle (6) and on the inner side wall of a cavity between the reaction kettle (6) and the box body (1), and the liquid level sensors (26) are connected with a power supply in the electric cabinet (3); the liquid level condition in the reaction kettle (6) and the liquid level condition of the heat conducting oil (17) are detected in time through the liquid level sensor (26).
6. The combination of claim 1, wherein the methyl ester of a mixed fatty acid is prepared by: a plurality of fixing plates (27) are fixedly arranged on the fixing rod (15) among the plurality of turbulence rods (16), scrapers (29) are rotatably arranged at the other ends of the plurality of fixing plates (27) through rotating shafts (28), two torsion springs (30) are sleeved on the rotating shafts (28), one side arm of each torsion spring (30) is fixedly connected with each scraper (29), and the other side arm of each torsion spring (30) is fixedly connected with each fixing plate (27); the other side edge of the scraper (29) is arranged against the inner side wall of the reaction kettle (6); when the reaction kettle (6) rotates in the box body (1), the scraper (29) is propped against the inner side wall of the reaction kettle (6) under the torsion action of the torsion spring (30), and the raw materials adhered to the inner side wall of the reaction kettle (6) are scraped.
7. The combination of claim 1, wherein the methyl ester of a mixed fatty acid is prepared by: the working principle is as follows: before esterification, conveying methanol, fatty acid and a catalyst into a reaction kettle (6) through a feeding pipe, conveying heat-conducting oil (17) into a cavity between the reaction kettle (6) and a box body (1) through an oil inlet pipe (19), then opening a first heating pipe (18) through an electric cabinet (3), heating the heat-conducting oil (17) by using heat generated by the first heating pipe (18), uniformly transmitting the heat to the reaction kettle (6) by using the heat-conducting oil (17), heating raw materials in the reaction kettle (6), and heating the temperature to more than 100 ℃; then, a driving motor (12) is opened through an electric cabinet (3), an output end of the driving motor (12) drives a gear (11) to rotate, the gear (11) is meshed with a toothed ring (10), the toothed ring (10) drives a reaction kettle (6) to rotate in the box body (1) through a flat-top thrust ball bearing (7), the heated position of the reaction kettle (6) is continuously changed, meanwhile, a turbulence rod (16) and the inner side wall of the reaction kettle (6) move relatively, and the turbulence rod (16) stirs raw materials in the reaction kettle (6), so that the raw materials are mixed more uniformly; steam generated by the esterification reaction is discharged into the condenser (13) through the gas outlet pipe (5), and liquid with methanol is conveyed into the liquid outlet pipe after being condensed by the condenser (13), so that the subsequent purification is convenient for reuse; the finished product of the esterification reaction is discharged through a discharge pipe (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011478203.3A CN112619589A (en) | 2020-12-15 | 2020-12-15 | Combined device for preparing mixed fatty acid methyl ester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011478203.3A CN112619589A (en) | 2020-12-15 | 2020-12-15 | Combined device for preparing mixed fatty acid methyl ester |
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| CN202011478203.3A Pending CN112619589A (en) | 2020-12-15 | 2020-12-15 | Combined device for preparing mixed fatty acid methyl ester |
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Cited By (1)
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| CN115138316A (en) * | 2022-07-12 | 2022-10-04 | 深圳市优宝新材料科技有限公司 | Lubricating grease reaction experimental device |
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Application publication date: 20210409 |