CN115193072A - Preparation method and equipment of benzoguanamine - Google Patents
Preparation method and equipment of benzoguanamine Download PDFInfo
- Publication number
- CN115193072A CN115193072A CN202210809106.0A CN202210809106A CN115193072A CN 115193072 A CN115193072 A CN 115193072A CN 202210809106 A CN202210809106 A CN 202210809106A CN 115193072 A CN115193072 A CN 115193072A
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- benzoguanamine
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- solution
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- 238000002360 preparation method Methods 0.000 title claims abstract description 36
- GZVHEAJQGPRDLQ-UHFFFAOYSA-N 6-phenyl-1,3,5-triazine-2,4-diamine Chemical compound NC1=NC(N)=NC(C=2C=CC=CC=2)=N1 GZVHEAJQGPRDLQ-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000002156 mixing Methods 0.000 claims abstract description 53
- 238000003756 stirring Methods 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 239000000376 reactant Substances 0.000 claims abstract description 28
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000001704 evaporation Methods 0.000 claims abstract description 22
- 230000008020 evaporation Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000002904 solvent Substances 0.000 claims abstract description 15
- 239000003054 catalyst Substances 0.000 claims abstract description 9
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 15
- 210000003781 tooth socket Anatomy 0.000 claims description 4
- 238000010009 beating Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000013557 residual solvent Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 7
- 239000000779 smoke Substances 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 57
- 239000007788 liquid Substances 0.000 description 7
- 239000003595 mist Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the field of benzoguanamine preparation, and particularly discloses a benzoguanamine preparation method and equipment, wherein the benzoguanamine preparation method comprises the following steps: s1: putting a solvent into preparation equipment, then adding dicyandiamide, benzonitrile and a catalyst, and reacting the dicyandiamide, the benzonitrile and the catalyst in the solvent through the preparation equipment; s2: heating the mixed reactants in the preparation equipment; the equipment comprises a mixing tank, wherein the mixing tank is vertically arranged, and a stirring shaft is arranged in the mixing tank and is vertically arranged; when carrying out the evaporation of solution, pat solution through the reciprocating motion of oscillating piece to arouse the water droplet in the solution, simultaneously, the second promotes the piece and upwards promotes the solution of bottom, and solution and oscillating piece contact when the exhaust in-process, and at this moment, the solution that falls is broken up in the motion through oscillating piece, and breaks up hydrothermal solution and is water droplet and water smoke, and the volume of water droplet and water smoke is less, can further improve the evaporation efficiency of solution.
Description
Technical Field
The invention relates to the field of benzoguanamine preparation, in particular to a benzoguanamine preparation method and equipment.
Background
The benzoguanamine has wide application fields, the benzoguanamine is required to be used as a raw material in the production of coatings, plastics, dyes, adhesives, insulating materials and the like, and the market demand is increasing year by year.
In the preparation process of benzoguanamine, the mixed solution of benzoguanamine needs to be evaporated, and the evaporation of the solution is only carried out by adopting a heating means at present, so that the evaporation efficiency of the solution is too low, and the preparation efficiency of the overall benzoguanamine is influenced.
Disclosure of Invention
The invention provides a preparation method and equipment of benzoguanamine, which solve the technical problem of low evaporation efficiency of solution in the related technology.
According to one aspect of the present invention, there is provided a process for preparing benzoguanamine, comprising the steps of:
s1: putting a solvent into preparation equipment, then adding dicyandiamide, benzonitrile and a catalyst, and reacting the dicyandiamide, the benzonitrile and the catalyst in the solvent through the preparation equipment;
s2: heating the mixed reactants in the preparation equipment;
s3: after the reaction is finished, evaporating 50% of solvent and water in the reactant, and adding water with the same amount as the residual solvent;
s4: heating and then evaporating the solvent and water again;
s5: and (4) after evaporation, taking out the fixed reactant from the preparation equipment, and finally washing, filtering, drying and crushing to obtain the benzoguanamine.
A benzoguanamine preparation device comprises a mixing tank, wherein the mixing tank is vertically arranged, a stirring shaft is arranged in the mixing tank, the stirring shaft is vertically arranged, a driving shaft is arranged at the upper end of the stirring shaft, and the axial direction of the driving shaft is consistent with the axial direction of the stirring shaft;
still include mixed subassembly, mixed subassembly includes the driving medium, swing, be used for carrying out the heating member that heats to the reactant solution in the hybrid tank, first promotion piece and second promote the piece, the driving medium cooperatees with swing, the driving medium is used for driving about swing reciprocating swing of piece at the (mixing) shaft rotation in-process, first promotion piece and second promote the piece all to be used for upwards promoting bottom solution, the second promote with swing match with, swing is used for promoting the solution that the piece upwards promoted with patting the second.
Further: the driving medium includes axle sleeve and stop collar, the stop collar rotates and installs in the lower extreme of axle sleeve, the axis collineation of (mixing) shaft axis and axle sleeve, the axis collineation of axle sleeve line and stop collar, the bottom fixed connection of stop collar is in the blending tank bottom, the inner wall installation ring gear of axle sleeve, internally mounted has the gear train, the gear train meshes with the ring gear mutually, the (mixing) shaft orders about the axle sleeve through gear train and ring gear and rotates, the puddler is installed to the axle sleeve outer wall, the funnel is installed at the top, the bottom diameter of funnel is greater than the diameter of axle sleeve.
Further, the method comprises the following steps: the rotation direction of the shaft sleeve is opposite to the rotation direction of the stirring shaft.
Further, the method comprises the following steps: the oscillating piece is including dialling board, connecting rod, and the connecting rod is the level and arranges, and the one end fixed mounting of connecting rod is in the blending tank inner wall, dials the board and keeps away from the one end of (mixing) shaft and passes through the bearing rotation and connect in the connecting rod, and the bearing stretches into the inside one end of connecting rod and installs the gear, and the internally mounted of connecting rod has the driven piece, and the driving piece is installed to the outer wall of axle sleeve, and the driven piece is with cooperate for order about the reciprocal rotation of gear at the axle sleeve rotation in-process.
Further: the swinging pieces are provided with a plurality of groups and are arranged at equal intervals along the length direction of the shaft sleeve.
Further: the driving part comprises a first helical gear, the shaft sleeve outer wall is installed on the first helical gear, the driven part comprises a first reciprocating lead screw and a sliding block, a tooth socket is formed in the sliding block, the sliding block is meshed with the gear through the tooth socket, a second helical gear is installed at one end, close to the stirring shaft, of the first reciprocating lead screw, and the first helical gear is meshed with the second helical gear.
Further, the method comprises the following steps: the first lifting piece comprises a helical blade, and the helical blade is positioned inside the shaft sleeve and is arranged on the outer wall of the stirring shaft.
Further: the second promotes the piece and includes the reciprocal lead screw of second, the reciprocal lead screw of second is installed in the lower extreme of (mixing) shaft, the axis collineation of the axis of the reciprocal lead screw of second and the axis collineation of (mixing) shaft, the piston plate is installed to the outer wall of the reciprocal lead screw of second, the reciprocal lead screw of piston plate meshing second, the water inlet has all been seted up to the bottom of axle sleeve and the bottom of stop collar, install the check valve in the water inlet of stop collar bottom, open the mobile chamber in the inner wall of blending tank, the mobile chamber is linked together with the inside of stop collar.
Further: the heating member includes the heating wire, and the heating wire is the annular and arranges the inner wall in blending tank, and flow chamber and heating wire set gradually from inside to outside.
The invention has the beneficial effects that: when carrying out the evaporation of solution, pat solution through the reciprocating motion of oscillating piece to arouse the water droplet in the solution, simultaneously, the second promotes the piece and upwards promotes the solution of bottom, and solution and oscillating piece contact when the exhaust in-process, and at this moment, the solution that falls is broken up in the motion through oscillating piece, and breaks up hydrothermal solution and is water droplet and water smoke, and the volume of water droplet and water smoke is less, can further improve the evaporation efficiency of solution.
Drawings
FIG. 1 is a diagram of method steps for a first embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of a mixing tank according to a second embodiment of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is a schematic view of the internal structure of the stop collar of the present invention;
FIG. 5 is a schematic view of the transmission member of the present invention.
In the figure: 1. a mixing tank; 11. a stirring shaft; 2. a drive shaft; 3. a mixing assembly; 31. a transmission member; 311. a shaft sleeve; 312. a limiting sleeve; 313. a gear set; 314. a toothed ring; 315. a funnel; 316. a stirring rod; 32. a swinging member; 321. dialing a plate; 322. a connecting rod; 323. a gear; 33. a heating member; 331. an electric heating wire; 34. a first lifting member; 341. a helical blade; 35. a second lifting member; 351. a second reciprocating screw; 352. a piston plate; 353. a water inlet; 354. a flow chamber; 36. a driven member; 361. a first reciprocating screw; 362. a slider; 37. a driving member; 371. a first helical gear; 372. a second helical gear.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand the subject matter described herein and are not intended to limit the scope, applicability, or examples set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as needed. In addition, features described with respect to some examples may also be combined in other examples.
Example one
As shown in fig. 1, a preparation method of benzoguanamine comprises the following steps:
s1: putting a solvent into preparation equipment, then adding dicyandiamide, benzonitrile and a catalyst, and reacting the dicyandiamide, the benzonitrile and the catalyst in the solvent through the preparation equipment;
firstly, putting solution, dicyandiamide, benzonitrile and a catalyst into the interior of a mixing tube in sequence, then driving a driving shaft 2 to drive a stirring shaft 11 to rotate, the stirring shaft 11 drives a spiral blade 341 to rotate so as to convey reactant solution in a shaft sleeve 311 upwards, the reactant solution is discharged from an outlet on the outer wall of the shaft sleeve 311, bottom reactant solution can be conveyed to the top through the spiral blade 341, so that mixing of upper layer solution and lower layer solution is realized, secondly, the stirring shaft 11 drives the shaft sleeve 311 to rotate on a limiting sleeve 312 through a gear set 313 while rotating the shaft sleeve 11, the rotation direction of the shaft sleeve 311 is opposite to that of the stirring shaft 11, the rotation of the shaft sleeve 311 drives a stirring rod 316 to rotate, and the reactant solution is mixed, secondly, the outer wall of the shaft sleeve 311 is meshed with a second helical gear in a connecting rod 322, the shaft sleeve 311 drives a second helical gear 372 to rotate through a first helical gear set 371, and drives a first reciprocating screw 361 to rotate, the first reciprocating screw set 362 drives a sliding block 362 on the first reciprocating screw to horizontally reciprocate, a toothed groove meshed gear 323 is arranged on the surface of the sliding block 323, and then the sliding block is driven to reciprocate, the reciprocating gear 362 is driven to rotate through a bearing 321, and the shifting plate 321, and the reciprocating solution in the shifting plate can further immerse into the reciprocating solution to be mixed solution;
it should be added that the gear set 313 is composed of two transmission gears engaged with each other, and is engaged with the gear ring 314 on the inner wall of the shaft sleeve 311, wherein one gear is installed on the outer wall of the stirring shaft, the other transmission gear is installed on the position-limiting sleeve, when the stirring shaft 11 rotates, the transmission gear thereon is driven to rotate and drives the other transmission gear to rotate, and the other transmission gear drives the shaft sleeve 311 to rotate through the gear ring 314.
Secondly, the solution enters the interior of the limiting sleeve 312 through a one-way valve at the bottom of the limiting sleeve, the stirring shaft 11 drives the piston plate 352 to reciprocate through the second reciprocating screw rod 351, the reactant solution entering the bottom of the limiting sleeve 312 is extruded into the flow chamber 354 by the movement of the piston plate 352, and is discharged from the opening at the top of the flow chamber 354, so that the bottom solution flows to the top, and the uniform mixing of the solution is further improved.
S2: heating the mixed reactants in the preparation equipment;
a heating wire 331 is installed inside the mixing tank 1, and the reactant inside the mixing tank 1 is heated after the heating wire 331 is energized, so that the reactant is heated inside the mixing tank 1.
S3: after the reaction is finished, evaporating 50% of solvent and water in the reactant, and adding water with the same amount as the residual solvent;
along with the continuous heating of the reactant solution, part of the solvent and water in the solution are gradually evaporated, so that the liquid level of the reactant solution continuously drops, because the heating wire 331 surrounds the inner wall of the mixing tank 1, and the surrounding horizontal height is flush with the liquid level of the reactant solution, then the liquid level continuously drops, the heating part of the heating wire 331 loses indirect contact with the solution, and a heating cavity is formed above the liquid level of the reactant solution, when the liquid level is lower than the horizontal height of the dial plate 321, the dial plate 321 leaks from the reactant solution, at the moment, the reciprocating swing of the dial plate 321 drives the lowered reactant solution liquid level to flap, water drops in the solution are excited by flap, so that the flapped water drops enter the heating cavity, the water drops are further heated and evaporated through the heating cavity, so that the evaporation speed of the reactant solution is accelerated, and, the stirring shaft 11 drives the motion of the piston plate 352 to draw the solution at the bottom into the limiting sleeve 312, and extrude the solution into the flow cavity 354 from the limiting sleeve 312, then the solution is discharged from the top opening of the flow cavity 354, the discharged solution falls on the stirring plate 321, the falling solution is beaten upwards by the reciprocating swing of the stirring plate 321, the solution is scattered and is converted into water drops and water mist by beating, the water drops and the water mist enter the heating cavity to be evaporated separately, the volume of the water drops and the water mist is small, the evaporation speed is high, the evaporation speed of the whole solution can be further improved, secondly, the beaten and unevaporated water drops can enter the funnel 315 in a parabolic manner and descend in the funnel 315, and when the stirring shaft 11 drives the spiral blade 341 to ascend the solution, the solution descending in the funnel 315 is contacted with the ascending solution and collided with each other, and further heat exchange is realized, secondly, in the reciprocating motion process of the shifting plate 321, the shifting plate 321 is inclined in the process, and when part of the shifting plate is immersed in the solution, the shifting plate 321 can swing back and forth to pick up part of the solution to the heating cavity for further heating and evaporation, and the picked up solution can also enter the funnel 315;
it should be added that the plurality of sets of the dial plates 321 are installed, and correspond to reactant solutions with different liquid levels, and only the uppermost dial plate 321 can flap the solution into the funnel 315.
When a certain amount of the solution has evaporated, the opening at the top of the mixing tank 1 is opened and water is added to the inside of the mixing tank 1.
S4: heating and then evaporating the solvent and water again;
the evaporation step described above is repeated and the evaporation of the solution and water is carried out again.
S5: and (4) after evaporation, taking out the fixed reactant from the preparation equipment, and washing, filtering, drying and crushing to obtain the benzoguanamine.
Example two
As shown in fig. 2-5, a benzoguanamine preparation device comprises a mixing tank 1, wherein the mixing tank 1 is vertically arranged, a stirring shaft 11 is arranged in the mixing tank 1, the stirring shaft 11 is vertically arranged, a driving shaft 2 is arranged at the upper end of the stirring shaft 11, and the axial direction of the driving shaft 2 is consistent with the axial direction of the stirring shaft 11;
the mixing tank comprises a mixing component 3, the mixing component 3 comprises a transmission piece 31, an oscillating piece 32, a heating piece 33 used for heating reactant solution in the mixing tank 1, a first lifting piece 34 and a second lifting piece 35, the transmission piece 31 is matched with the oscillating piece 32, the transmission piece 31 is used for driving the oscillating piece 32 to oscillate back and forth in the rotating process of the stirring shaft 11, the first lifting piece 34 and the second lifting piece 35 are both used for lifting the bottom layer solution upwards, the second lifting piece 35 is matched with the oscillating piece 32, and the oscillating piece 32 is used for beating the solution lifted upwards by the second lifting piece 35.
The drive shaft 2 is driven by a driving device such as a motor or a rotary cylinder.
The transmission part 31 comprises a shaft sleeve 311 and a limiting sleeve 312, the limiting sleeve 312 is rotatably installed at the lower end of the shaft sleeve 311, the axis of the stirring shaft 11 is collinear with the axis of the shaft sleeve 311, the axis of the shaft sleeve 311 is collinear with the axis of the limiting sleeve 312, the bottom end of the limiting sleeve 312 is fixedly connected to the bottom of the mixing tank 1, a toothed ring 314 is installed on the inner wall of the shaft sleeve 311, a gear set 313 is installed inside the mixing tank, the gear set 313 is meshed with the toothed ring 314, the stirring shaft 11 drives the shaft sleeve 311 to rotate through the gear set 313 and the toothed ring 314, a stirring rod 316 is installed on the outer wall of the shaft sleeve 311, a funnel 315 is installed at the top, and the bottom diameter of the funnel 315 is larger than that of the shaft sleeve 311.
The rotation direction of the sleeve 311 is opposite to the rotation direction of the stirring shaft 11.
The swinging piece 32 comprises a shifting plate 321 and a connecting rod 322, the connecting rod 322 is horizontally arranged, one end of the connecting rod 322 is fixedly installed on the inner wall of the mixing tank 1, one end, far away from the stirring shaft 11, of the shifting plate 321 is rotatably connected to the connecting rod 322 through a bearing, a gear 323 is installed at one end, extending into the connecting rod 322, of the bearing, a driven piece 36 is installed inside the connecting rod 322, an driving piece 37 is installed on the outer wall of the shaft sleeve 311, and the driven piece 36 is matched with the shaft sleeve 311 and used for driving the gear 323 to rotate in a reciprocating mode in the rotating process of the shaft sleeve 311.
The oscillating members 32 are mounted in plural sets and arranged at equal intervals along the length direction of the boss 311.
The driving part 37 comprises a first bevel gear 371, an outer wall of a shaft sleeve 311 is installed on the first bevel gear 371, the driven part 36 comprises a first reciprocating lead screw 361 and a sliding block 362, a tooth groove is formed in the sliding block 362, the sliding block 362 is meshed with the gear 323 through the tooth groove, a second bevel gear 372 is installed at one end, close to the stirring shaft 11, of the first reciprocating lead screw 361, and the first bevel gear 371 is meshed with the second bevel gear 372.
The first lifting member 34 includes a spiral blade 341, and the spiral blade 341 is located inside the sleeve 311 and is mounted on the outer wall of the stirring shaft 11.
Second hoisting member 35 includes the reciprocal lead screw 351 of second, the reciprocal lead screw 351 of second is installed in the lower extreme of (mixing) shaft 11, the axis of the reciprocal lead screw 351 of second and the axis collineation of (mixing) shaft 11, piston plate 352 is installed to the outer wall of the reciprocal lead screw 351 of second, the reciprocal lead screw 351 of piston plate 352 meshing second, water inlet 353 has all been seted up to the bottom of axle sleeve 311 and the bottom of stop collar 312, install the check valve in the water inlet 353 of stop collar 312 bottom, set up flow chamber 354 in the inner wall of blending tank 1, flow chamber 354 is linked together with the inside of stop collar 312.
It should be added that the slide block 362 and the piston plate 352 are both provided with a limit rod, and the block 362 and the piston plate 352 are in sliding guide fit with the limit rod.
The heating member 33 includes a heating wire 331, the heating wire 331 is annularly disposed on an inner wall of the mixing tank 1, and the flow chamber 354 and the heating wire 331 are sequentially disposed from the inside to the outside.
The embodiments of the present invention have been described with reference to the drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention and the protection scope of the claims.
Claims (10)
1. The preparation method of the benzoguanamine is characterized by comprising the following steps:
s1: putting a solvent into preparation equipment, then adding dicyandiamide, benzonitrile and a catalyst, and reacting the dicyandiamide, the benzonitrile and the catalyst in the solvent through the preparation equipment;
s2: heating the mixed reactants in the preparation equipment;
s3: after the reaction is finished, evaporating 50% of solvent and water in the reactant, and adding water with the same amount as the residual solvent;
s4: heating and then evaporating the solvent and water again;
s5: and (4) after evaporation, taking out the fixed reactant from the preparation equipment, and finally washing, filtering, drying and crushing to obtain the benzoguanamine.
2. The equipment for preparing the benzoguanamine is characterized by comprising a mixing tank (1), wherein the mixing tank (1) is vertically arranged, a stirring shaft (11) is arranged in the mixing tank (1), the stirring shaft (11) is vertically arranged, a driving shaft (2) is arranged at the upper end of the stirring shaft (11), and the axial direction of the driving shaft (2) is consistent with the axial direction of the stirring shaft (11);
the mixing tank is characterized by further comprising a mixing assembly (3), wherein the mixing assembly (3) comprises a transmission piece (31), an oscillating piece (32), a heating piece (33) used for heating reactant solution in the mixing tank (1), a first lifting piece (34) and a second lifting piece (35), the transmission piece (31) is matched with the oscillating piece (32), the transmission piece (31) is used for driving the oscillating piece (32) to oscillate back and forth in the rotating process of the stirring shaft (11), the first lifting piece (34) and the second lifting piece (35) are both used for lifting the bottom layer solution upwards, the second lifting piece (35) is matched with the oscillating piece (32), and the oscillating piece (32) is used for beating the solution lifted upwards by the second lifting piece (35).
3. The benzoguanamine preparation plant according to claim 2, wherein the transmission member (31) comprises a shaft sleeve (311) and a limiting sleeve (312), the limiting sleeve (312) is rotatably mounted at the lower end of the shaft sleeve (311), the axis of the stirring shaft (11) is collinear with the axis of the shaft sleeve (311), the axis of the shaft sleeve (311) is collinear with the axis of the limiting sleeve (312), the bottom end of the limiting sleeve (312) is fixedly connected to the bottom of the mixing tank (1), a toothed ring (314) is mounted on the inner wall of the shaft sleeve (311), a gear set (313) is mounted inside the shaft sleeve, the gear set (313) is meshed with the toothed ring (314), the stirring shaft (11) drives the shaft sleeve (311) to rotate through the gear set (313) and the toothed ring (314), a stirring rod (316) is mounted on the outer wall of the shaft sleeve (311), a funnel (315) is mounted at the top of the shaft sleeve (311), and the diameter of the bottom of the funnel (315) is larger than that of the shaft sleeve (311).
4. Equipment for the preparation of benzoguanamine, according to claim 3, characterized in that the rotation direction of the sleeve (311) is opposite to the rotation direction of the stirring shaft (11).
5. The benzoguanamine preparation equipment of claim 3, wherein the swinging member (32) comprises a shifting plate (321) and a connecting rod (322), the connecting rod (322) is horizontally arranged, one end of the connecting rod (322) is fixedly arranged on the inner wall of the mixing tank (1), one end of the shifting plate (321) far away from the stirring shaft (11) is rotatably connected to the connecting rod (322) through a bearing, one end of the bearing extending into the connecting rod (322) is provided with a gear (323), a driven member (36) is arranged inside the connecting rod (322), the outer wall of the shaft sleeve (311) is provided with a driving member (37), and the driven member (36) is matched with the shaft sleeve (311) and used for driving the gear (323) to rotate back and forth in the rotating process of the shaft sleeve (311).
6. Equipment for the preparation of benzoguanamine according to claim 5, characterized by that, the oscillating members (32) are installed in groups and arranged equidistantly along the length of the sleeve (311).
7. The benzoguanamine preparation equipment of claim 5, wherein the driving part (37) comprises a first bevel gear (371), the first bevel gear (371) is provided with an outer wall of a shaft sleeve (311), the driven part (36) comprises a first reciprocating screw (361) and a sliding block (362), the sliding block (362) is provided with a tooth socket, the sliding block (362) is meshed with the gear (323) through the tooth socket, one end of the first reciprocating screw (361) close to the stirring shaft (11) is provided with a second bevel gear (372), and the first bevel gear (371) is meshed with the second bevel gear (372).
8. The benzoguanamine production apparatus according to claim 3, wherein said first lifting member (34) comprises a spiral blade (341), said spiral blade (341) being located inside said sleeve (311) and mounted on the outer wall of said stirring shaft (11).
9. The benzoguanamine preparation equipment of claim 3, wherein the second lifting member (35) comprises a second reciprocating lead screw (351), the second reciprocating lead screw (351) is installed at the lower end of the stirring shaft (11), the axis of the second reciprocating lead screw (351) is collinear with the axis of the stirring shaft (11), a piston plate (352) is installed on the outer wall of the second reciprocating lead screw (351), the piston plate (352) is meshed with the second reciprocating lead screw (351), water inlets (353) are formed in the bottom of the shaft sleeve (311) and the bottom of the limiting sleeve (312), a check valve is installed in the water inlet (353) in the bottom of the limiting sleeve (312), a flow cavity (354) is formed in the inner wall of the mixing tank (1), and the flow cavity (354) is communicated with the inside of the limiting sleeve (312).
10. The benzoguanamine preparation apparatus as claimed in claim 9, wherein, the heating element (33) comprises a heating wire (331), the heating wire (331) is annularly arranged on the inner wall of the mixing tank (1), and the flow chamber (354) and the heating wire (331) are sequentially arranged from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210809106.0A CN115193072B (en) | 2022-07-11 | 2022-07-11 | Preparation method and equipment of benzomelamine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210809106.0A CN115193072B (en) | 2022-07-11 | 2022-07-11 | Preparation method and equipment of benzomelamine |
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| Publication Number | Publication Date |
|---|---|
| CN115193072A true CN115193072A (en) | 2022-10-18 |
| CN115193072B CN115193072B (en) | 2023-10-31 |
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| CN202210809106.0A Active CN115193072B (en) | 2022-07-11 | 2022-07-11 | Preparation method and equipment of benzomelamine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116833405A (en) * | 2023-07-03 | 2023-10-03 | 盐城师范学院 | Preparation method and application of nano zero-valent iron with montmorillonite as carrier |
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| CN213643135U (en) * | 2020-09-21 | 2021-07-09 | 泰州市欧普特钨钼制品有限公司 | Sodium tungstate solution weathering drying device |
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| EP3281682A1 (en) * | 2016-08-09 | 2018-02-14 | Metech S.r.l. | Storage tank for impregnation resins |
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| CN116833405A (en) * | 2023-07-03 | 2023-10-03 | 盐城师范学院 | Preparation method and application of nano zero-valent iron with montmorillonite as carrier |
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