CN112371074A - A outer coil pipe esterification cauldron for producing two ester of hexadecane - Google Patents
A outer coil pipe esterification cauldron for producing two ester of hexadecane Download PDFInfo
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- CN112371074A CN112371074A CN202011249677.0A CN202011249677A CN112371074A CN 112371074 A CN112371074 A CN 112371074A CN 202011249677 A CN202011249677 A CN 202011249677A CN 112371074 A CN112371074 A CN 112371074A
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- fixedly connected
- esterification kettle
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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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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/02—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen
- C07C69/22—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety
- C07C69/28—Esters of acyclic saturated monocarboxylic acids having the carboxyl group bound to an acyclic carbon atom or to hydrogen having three or more carbon atoms in the acid moiety esterified with dihydroxylic compounds
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Abstract
The invention relates to the field of esterification kettles, and discloses an outer coil pipe esterification kettle for producing hexadecane diester, which comprises an esterification kettle main body, wherein an isolation cover is arranged on the outer surface of the upper end of the esterification kettle main body, a motor is arranged at the upper end of the isolation cover, an outer coil pipe is arranged on the outer side of the esterification kettle main body, a transmission shaft is arranged in the esterification kettle main body, a connecting rod is arranged on the outer side of the transmission shaft, and a stirring rod is arranged on one side of the connecting rod. This an outer coil pipe esterification kettle for producing hexadecane diester, through being provided with the montant, installation foot and mounting groove, be favorable to the installation of montant, accelerate the stirring of material to mix, improve work efficiency, through being provided with the buffering bottom plate, make esterification kettle main part play better buffering effect, improve esterification kettle main part's life, through being provided with spacing stake and spacing groove, improve the installation intensity of motor, prevent that not hard up phenomenon from taking place to appear in the long-time use of motor.
Description
Technical Field
The invention relates to the technical field of esterification kettles, in particular to an external coil esterification kettle for producing hexadecanediester.
Background
The outer coil esterification kettle for producing the hexadecane diester is a reaction device which can simultaneously complete esterification and polycondensation; but the outer coil pipe esterification kettle who has been used for producing hexadecane diester still has certain drawback when using, at first, the esterification kettle main part is in the use, the material mixing stirring time is comparatively, do not have the montant to carry out intensive mixing, reduce stirring efficiency, secondly, the esterification kettle main part produces vibration in the use, do not have better buffer, reduce the life of esterification kettle main part, finally, the motor is in long-time use, take place to become flexible easily, do not strengthen securing device, for this we propose an outer coil pipe esterification kettle who is used for producing hexadecane diester.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the outer coil pipe esterification kettle for producing the hexadecane diester, which is beneficial to the installation of the vertical rod by arranging the vertical rod, the installation foot and the installation groove, accelerates the stirring and mixing of materials and improves the working efficiency.
(II) technical scheme
In order to realize the above-mentioned installation that is favorable to the montant through being provided with montant, installation foot and mounting groove for the stirring of material mixes, through being provided with the buffering bottom plate, make the esterification reaction cauldron main part play better buffering effect, through being provided with spacing stake and spacing groove, improve the installation intensity of motor, the invention provides following technical scheme: an outer coil pipe esterification kettle for producing hexadecane diester comprises an esterification kettle main body, wherein a separation cover is arranged on the outer surface of the upper end of the esterification kettle main body, a motor is arranged at the upper end of the separation cover, an outer coil pipe is arranged on the outer side of the esterification kettle main body, a transmission shaft is arranged in the esterification kettle main body, a connecting rod is arranged on the outer side of the transmission shaft, a stirring rod is arranged on one side of the connecting rod, an installation foot is arranged at the upper end of the stirring rod, a vertical rod is arranged at one end of the installation foot, an installation groove is arranged on the outer side of the stirring rod, a supporting foot is arranged at the lower end of the esterification kettle main body, a buffer bottom plate is arranged at the lower end of the supporting foot, an auxiliary cushion is arranged on the inner side of the buffer bottom plate, a buffer spring is arranged on the, the lower extreme of motor is provided with the connecting plate, the upper end of connecting plate is provided with the through-hole, the outside of through-hole is provided with fixing bolt, fixing bolt's upper end is provided with fixation nut, the one end of connecting plate is provided with spacing stake, the one end of connecting plate is provided with the spacing groove, one side of esterifying the cauldron main part is provided with control panel.
Preferably, be fixed connection between esterification kettle main part and the cage, and the cage is the cylinder structure, the diameter of cage is less than the diameter of esterification kettle main part, the upper end fixedly connected with motor of cage, and be electrically conductive between motor and the control panel and be connected, No. two feed inlets of upper end fixedly connected with of esterification kettle main part, No. one feed inlet of upper end fixedly connected with of esterification kettle main part, the outside fixedly connected with outer coil pipe of esterification kettle main part, and outer coil pipe are cylinder hollow structure, the lower extreme fixedly connected with discharge gate of esterification kettle main part.
Preferably, the lower extreme fixedly connected with supporting legs of esterification reaction cauldron main part, and supporting legs quantity is three groups and is the annular and arrange, be fixed connection between supporting legs and the buffer bottom plate, and buffer bottom plate is the cylinder structure, buffer bottom plate is compression structure.
Preferably, the inside one end that is close to the motor of esterification reaction cauldron main part is rotated and is connected with the transmission shaft, and the transmission shaft is the cylinder structure, the outside fixedly connected with connecting rod of transmission shaft, and connecting rod quantity be a plurality of groups and be the annular and arrange, the one end fixedly connected with puddler of connecting rod, and puddler quantity is the same with connecting rod quantity.
Preferably, the upper end swing joint of puddler has the installation foot, and the one end fixedly connected with montant of installation foot, the mounting groove has been inlayed in the outside of puddler, and the phase-match between mounting groove and the installation foot, the supplementary pad of inside fixedly connected with of buffering bottom plate, and supplementary pad quantity be a plurality of groups and be the annular and arrange.
Preferably, the inboard fixedly connected with buffer spring of supplementary pad, and buffer spring is elastic structure, the inboard fixedly connected with buffer block of buffer floor, and highly being less than buffer floor's height of buffer block, the anti pressure ball of the inside fixedly connected with of buffer block, and anti pressure ball be spherical structure and make for withstand voltage material.
Preferably, the lower extreme fixedly connected with connecting plate of motor, and the diameter of connecting plate is greater than the diameter of motor, the through-hole has been run through to the connecting plate upper end, and through-hole quantity be a plurality of groups and be the annular and arrange, one side fixedly connected with control panel of esterification reaction cauldron main part, and be electrically conductive between control panel and the esterification reaction cauldron main part and be connected.
Preferably, the outside swing joint of through-hole has fixing bolt, and fixing bolt's one end swing joint has fixation nut, and the phase-match between fixation nut and the fixing bolt, the spacing stake of the lower extreme fixedly connected with of connecting plate, and spacing stake are L shape structure, spacing groove has been inlayed to the upper end of cage, and the phase-match between spacing stake and the spacing groove.
(III) advantageous effects
Compared with the prior art, the invention provides the outer coil esterification kettle for producing the hexadecane diester, which has the following beneficial effects:
1. this an outer coil pipe esterification kettle for producing hexadecane diester, through being provided with the connecting rod, the puddler, the montant, installation foot and mounting groove, before esterification kettle main part use, the user removes the installation foot of montant along the inboard surface of mounting groove, until installing the installation foot at the inboard surface of mounting groove, fix the montant, through control panel starter motor, make the motor drive the transmission shaft and rotate, the axis of rotation drives the connecting rod and rotates, the connecting rod drives the puddler and rotates with the montant, make the material carry out better mixing stirring, and the work efficiency is improved.
2. This an outer coil pipe cauldron of esterifying for producing hexadecane diester, through being provided with buffer base plate, the auxiliary pad, buffer spring, buffer block and anti-pressure ball, in the cauldron main part use of esterifying, when buffer base plate receives pressure, fill up as the supporting role down at the spout, buffer spring slowly contracts, will under the buffer block, deformation takes place for the anti-pressure ball, when reaching the terminal point until buffer spring movement track, buffer spring kick-backs, the buffer block rises to the normal position, the anti-pressure ball resumes spherically, the motion of repeated above-mentioned, play better buffering effect, improve the life of the cauldron main part of esterifying.
3. This an outer coil pipe esterification cauldron for producing hexadecane diester, through being provided with the connecting plate, the through-hole, fixing bolt, fixation nut, spacing stake and spacing groove, in the motor installation, the user aims at the through-hole of connecting plate and cage upper end, make spacing stake surface remove along spacing inslot side surface, when reaching the terminal point until spacing groove movement track, install along the through-hole through fixing bolt and fixation nut, the firm of the motor of being convenient for is placed, prevent that the long-time phenomenon that causes not hard up of motor from taking place, improve motor installation stability.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a partial side cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;
FIG. 4 is a partial side cross-sectional view of a cushioned floor of the present construction;
FIG. 5 is a partially disassembled view of the structure of the present invention;
fig. 6 is a partial side cross-sectional view of the structural cage and motor of the present invention.
In the figure: 1. an esterification kettle main body; 2. an isolation cover; 3. a motor; 4. a second feeding hole; 5. a first feed inlet; 6. an outer coil pipe; 7. a discharge port; 8. supporting legs; 9. a buffer base plate; 10. a drive shaft; 11. a connecting rod; 12. a stirring rod; 13. a vertical rod; 14. mounting a foot; 15. mounting grooves; 16. an auxiliary pad; 17. a buffer spring; 18. a buffer block; 19. a compression ball; 20. a connecting plate; 21. a through hole; 22. fixing the bolt; 23. fixing a nut; 24. limiting piles; 25. a limiting groove; 26. a control panel.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-6, an outer coil pipe esterification kettle for producing hexadecane diester comprises an esterification kettle main body 1, a separation hood 2 is arranged on the outer surface of the upper end of the esterification kettle main body 1, a motor 3 is arranged on the upper end of the separation hood 2, an outer coil pipe 6 is arranged on the outer side of the esterification kettle main body 1, a transmission shaft 10 is arranged in the esterification kettle main body 1, a connecting rod 11 is arranged on the outer side of the transmission shaft 10, a stirring rod 12 is arranged on one side of the connecting rod 11, an installation foot 14 is arranged on the upper end of the stirring rod 12, a vertical rod 13 is arranged on one end of the installation foot 14, an installation groove 15 is arranged on the outer side of the stirring rod 12, a supporting foot 8 is arranged at the lower end of the esterification kettle main body 1, a buffer bottom plate 9 is arranged at the lower end of the supporting foot 8, an auxiliary pad 16, the inboard of buffer block 18 is provided with anti-pressure ball 19, the lower extreme of motor 3 is provided with connecting plate 20, the upper end of connecting plate 20 is provided with through-hole 21, the outside of through-hole 21 is provided with fixing bolt 22, fixing bolt 22's upper end is provided with fixation nut 23, the one end of connecting plate 20 is provided with spacing stake 24, the one end of connecting plate 20 is provided with spacing groove 25, one side of esterification reaction cauldron main part 1 is provided with control panel 26, be favorable to esterification reaction cauldron main part 1's normal use.
Be fixed connection between cauldron main part 1 and the cage 2 esterifies, and cage 2 is the cylinder structure, the diameter of cage 2 is less than the diameter of cauldron main part 1 esterifies, the upper end fixedly connected with motor 3 of cage 2, and be electrically conductive between motor 3 and the control panel 26 and be connected, feed inlet 4 No. two of the upper end fixedly connected with of cauldron main part 1 esterifies, feed inlet 5 No. one of upper end fixedly connected with of cauldron main part 1 esterifies, the outside fixedly connected with outer coil pipe 6 of cauldron main part 1 esterifies, and outer coil pipe 6 is cylinder hollow structure, the lower extreme fixedly connected with discharge gate 7 of cauldron main part 1 esterifies, be favorable to placing of outer coil pipe 6 and cage 2 and motor 3's use.
Esterification kettle main part 1's lower extreme fixedly connected with supporting legs 8, and supporting legs 8 quantity is three groups and is the annular and arrange, is fixed connection between supporting legs 8 and the buffer bottom plate 9, and buffer bottom plate 9 is the cylinder structure, and buffer bottom plate 9 is compression structure, is favorable to esterification kettle main part 1's placing.
The inside one end that is close to motor 3 of cauldron main part 1 of esterifying rotates and is connected with transmission shaft 10, and transmission shaft 10 is the cylinder structure, the outside fixedly connected with connecting rod 11 of transmission shaft 10, and connecting rod 11 quantity be a plurality of groups and be the annular and arrange, the one end fixedly connected with puddler 12 of connecting rod 11, and puddler 12 quantity is the same with connecting rod 11 quantity, is favorable to the use of transmission shaft 10.
The upper end swing joint of puddler 12 has installation foot 14, and the one end fixedly connected with montant 13 of installation foot 14, and mounting groove 15 has been inlayed in the outside of puddler 12, and the phase-match between mounting groove 15 and the installation foot 14, and the inside fixedly connected with auxiliary pad 16 of buffer bottom plate 9, and auxiliary pad 16 quantity is a plurality of groups and is the annular and arranges, is favorable to montant 13's installation.
Lower extreme fixedly connected with connecting plate 20 of motor 3, and the diameter of connecting plate 20 is greater than motor 3's diameter, and connecting plate 20 upper end runs through there is through-hole 21, and through-hole 21 quantity be a plurality of groups and be the annular and arrange, one side fixedly connected with control panel 26 of esterification reaction cauldron main part 1, and control panel 26 and esterify and be electrically conductive between the cauldron main part 1 and be connected, be favorable to being connected of control panel 26 and esterification reaction cauldron main part 1.
The outside swing joint of through-hole 21 has fixing bolt 22, and fixing bolt 22's one end swing joint has fixation nut 23, and the phase-match between fixation nut 23 and the fixing bolt 22, the spacing stake 24 of the lower extreme fixedly connected with of connecting plate 20, and spacing stake 24 is L shape structure, spacing groove 25 has been inlayed to the upper end of cage 2, and the phase-match between spacing stake 24 and the spacing groove 25 is favorable to the dismantlement and the installation of motor 3 and cage 2.
The during operation, this an outer coil pipe esterification kettle for producing hexadecane diester, the user removes the installation foot 14 of montant 13 along the inboard surface of mounting groove 15, until installing installation foot 14 at the inboard surface of mounting groove 15, fix montant 13, through control panel 26 starter motor 3, make motor 3 drive transmission shaft 10 and rotate, the axis of rotation drives connecting rod 11 and rotates, connecting rod 11 drives puddler 12 and montant 13 and rotates, make the material carry out better mixing stirring, and the work efficiency is improved. The user aligns the connecting plate 20 with the through hole 21 at the upper end of the isolation cover 2, so that the outer surface of the limiting pile 24 moves along the inner outer surface of the limiting groove 25 until the motion track of the limiting groove 25 reaches the end point, the motor 3 is conveniently and stably placed by installing the fixing bolt 22 and the fixing nut 23 along the through hole 21, the phenomenon of looseness caused by long-time use of the motor 3 is prevented, the installation stability of the motor 3 is improved, in the use of esterification reactor main part 1, when buffer bottom plate 9 receives pressure, under auxiliary pad 16 as supporting role, buffer spring 17 slowly contracts, under the buffer block 18 will, resistance to compression ball 19 takes place to deform, and when buffer spring 17 movement track reached the terminal point, buffer spring 17 kick-backs, and buffer block 18 rises to the normal position, and resistance to compression ball 19 resumes spherically, repeats above-mentioned motion, plays better buffering effect, improves esterification reactor main part 1's life.
To sum up, this outer coil pipe esterification kettle for producing hexadecane diester, the user moves installation foot 14 of montant 13 along the inboard surface of mounting groove 15, until installing installation foot 14 at the inboard surface of mounting groove 15, fix montant 13, start motor 3 through control panel 26, make motor 3 drive transmission shaft 10 and rotate, the axis of rotation drives connecting rod 11 and rotates, connecting rod 11 drives puddler 12 and montant 13 and rotates, make the material carry out better mixing stirring, improve work efficiency, when buffer floor 9 receives pressure, under the supporting action of auxiliary pad 16, buffer spring 17 contracts slowly, buffer block 18 will be down, resistance to compression ball 19 takes place to deform, until buffer spring 17 motion trail reaches the terminal, buffer spring 17 kick-backs, buffer block 18 rises to the normal position, resistance to compression ball 19 resumes globular, repeat the above-mentioned motion, play better buffering effect, improve the life of esterification reactor main part 1, the user aims at through-hole 21 with connecting plate 20 and cage 2 upper end, make spacing 24 surfaces of stake remove along the inboard surface of spacing groove 25, when reaching the terminal point until spacing groove 25 motion trail, install along through-hole 21 through fixing bolt 22 and fixation nut 23, be convenient for firm the placing of motor 3, prevent that motor 3 from using for a long time and causing not hard up phenomenon to take place, improve motor 3 installation stability.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An outer coil esterification kettle for producing hexadecane diester, which comprises an esterification kettle main body (1), and is characterized in that: the outer surface of the upper end of the esterification kettle main body (1) is provided with a separation cover (2), the upper end of the separation cover (2) is provided with a motor (3), the outer side of the esterification kettle main body (1) is provided with an outer coil pipe (6), the inner part of the esterification kettle main body (1) is provided with a transmission shaft (10), the outer side of the transmission shaft (10) is provided with a connecting rod (11), one side of the connecting rod (11) is provided with a stirring rod (12), the upper end of the stirring rod (12) is provided with a mounting foot (14), one end of the mounting foot (14) is provided with a vertical rod (13), the outer side of the stirring rod (12) is provided with a mounting groove (15), the lower end of the esterification kettle main body (1) is provided with a supporting foot (8), the lower end of the supporting foot (8) is provided with a buffer, the inboard of auxiliary pad (16) is provided with buffer spring (17), the inboard of buffer floor (9) is provided with buffer block (18), the inboard of buffer block (18) is provided with anti-pressure ball (19), the lower extreme of motor (3) is provided with connecting plate (20), the upper end of connecting plate (20) is provided with through-hole (21), the outside of through-hole (21) is provided with fixing bolt (22), the upper end of fixing bolt (22) is provided with fixation nut (23), the one end of connecting plate (20) is provided with spacing stake (24), the one end of connecting plate (20) is provided with spacing groove (25), one side of esterification reaction cauldron main part (1) is provided with control panel (26).
2. The external coiled esterification kettle for producing hexadecane diester according to claim 1, wherein: be fixed connection between cauldron main part (1) and cage (2) esterify, and cage (2) are the cylinder structure, the diameter of cage (2) is less than the diameter of cauldron main part (1) esterify, upper end fixedly connected with motor (3) of cage (2), and be electrically conductive between motor (3) and control panel (26) and be connected, feed inlet (4) No. two of the upper end fixedly connected with of cauldron main part (1), feed inlet (5) No. one of the upper end fixedly connected with of cauldron main part (1) esterify, the outside fixedly connected with outer coil pipe (6) of cauldron main part (1) esterify, and outer coil pipe (6) are cylinder hollow structure, the lower extreme fixedly connected with discharge gate (7) of cauldron main part (1) esterify.
3. The external coiled esterification kettle for producing hexadecane diester according to claim 1, wherein: the lower extreme fixedly connected with supporting legs (8) of esterification reaction cauldron main part (1), and supporting legs (8) quantity be three groups and be the annular and arrange, be fixed connection between supporting legs (8) and buffer floor (9), and buffer floor (9) are the cylinder structure, buffer floor (9) are compression structure.
4. The external coiled esterification kettle for producing hexadecane diester according to claim 1, wherein: the one end that the inside of esterification kettle main part (1) is close to motor (3) is rotated and is connected with transmission shaft (10), and transmission shaft (10) are the cylinder structure, the outside fixedly connected with connecting rod (11) of transmission shaft (10), and connecting rod (11) quantity be a plurality of groups and be the annular and arrange, the one end fixedly connected with puddler (12) of connecting rod (11), and puddler (12) quantity is the same with connecting rod (11) quantity.
5. The external coiled esterification kettle for producing hexadecane diester according to claim 1, wherein: the utility model discloses a buffer bottom plate, including the upper end swing joint of puddler (12) has installation foot (14), and the one end fixedly connected with montant (13) of installation foot (14), mounting groove (15) have been inlayed in the outside of puddler (12), and phase-match between mounting groove (15) and installation foot (14), supplementary pad (16) of inside fixedly connected with of buffer bottom plate (9), and supplementary pad (16) quantity be a plurality of groups and be the annular and arrange.
6. The external coiled esterification kettle for producing hexadecane diester according to claim 1, wherein: auxiliary pad (16) inboard fixedly connected with buffer spring (17), and buffer spring (17) are elastic construction, the inboard fixedly connected with buffer block (18) of buffer bottom plate (9), and highly being less than the height of buffer bottom plate (9) of buffer block (18), the inside fixedly connected with anti pressure ball (19) of buffer block (18), and anti pressure ball (19) are spherical structure and are withstand voltage material and make.
7. The external coiled esterification kettle for producing hexadecane diester according to claim 1, wherein: the lower extreme fixedly connected with connecting plate (20) of motor (3), and the diameter of connecting plate (20) is greater than the diameter of motor (3), through-hole (21) have been run through to connecting plate (20) upper end, and through-hole (21) quantity be a plurality of groups and be the annular and arrange, one side fixedly connected with control panel (26) of esterification reaction cauldron main part (1), and be conductive connection between control panel (26) and esterification reaction cauldron main part (1).
8. The external coiled esterification kettle for producing hexadecane diester according to claim 1, wherein: the outside swing joint of through-hole (21) has fixing bolt (22), and the one end swing joint of fixing bolt (22) has fixation nut (23), and the phase-match between fixation nut (23) and fixing bolt (22), the spacing stake (24) of the lower extreme fixedly connected with of connecting plate (20), and spacing stake (24) are L shape structure, spacing groove (25) have been inlayed to the upper end of cage (2), and the phase-match between spacing stake (24) and spacing groove (25).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249677.0A CN112371074A (en) | 2020-11-10 | 2020-11-10 | A outer coil pipe esterification cauldron for producing two ester of hexadecane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249677.0A CN112371074A (en) | 2020-11-10 | 2020-11-10 | A outer coil pipe esterification cauldron for producing two ester of hexadecane |
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| CN112371074A true CN112371074A (en) | 2021-02-19 |
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| CN202011249677.0A Pending CN112371074A (en) | 2020-11-10 | 2020-11-10 | A outer coil pipe esterification cauldron for producing two ester of hexadecane |
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| CN113565183A (en) * | 2021-07-28 | 2021-10-29 | 江苏佰纳环保科技有限公司 | Vacuum water sucking and draining system for garbage pressure filtration water discharge of garbage transfer station |
| CN113623955A (en) * | 2021-06-22 | 2021-11-09 | 泰兴市中亚烘干设备制造有限公司 | Teflon adhesive tape drying box |
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|---|---|---|---|---|
| CN113623955A (en) * | 2021-06-22 | 2021-11-09 | 泰兴市中亚烘干设备制造有限公司 | Teflon adhesive tape drying box |
| CN113565183A (en) * | 2021-07-28 | 2021-10-29 | 江苏佰纳环保科技有限公司 | Vacuum water sucking and draining system for garbage pressure filtration water discharge of garbage transfer station |
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Application publication date: 20210219 |