CN215312334U - Continuous flow reactor suitable for ethoxylation - Google Patents

Abstract

The utility model relates to the technical field of chemical equipment, and discloses a continuous flow reactor suitable for ethoxylation, which solves the technical problem that the prior reactor stirs reactants through a stirrer, but the reactants are easy to adhere to the inner wall of a reactor kettle body; according to the utility model, the reactant can be stirred through the stirring rod, the uniformity of the reactant is improved, the increase of the viscosity of the reactant is avoided, the scraping strip can be shaped through the scraper, the posture of the scraping strip can be kept, when the stirring rod rotates, the scraping strip can rotate along the inner wall of the reaction kettle to scrape the reactant on the inner wall of the reaction kettle, and the reactant is not easy to adhere to the inner wall of the reaction kettle.

Description

Continuous flow reactor suitable for ethoxylation

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a continuous flow reactor suitable for ethoxylation.

Background

The ethoxylation reaction is that under the action of a catalyst, ethylene oxide and an organic compound containing active hydrogen perform a ring-opening addition reaction, the ethoxylation reaction is an important technology for preparing the nonionic surfactant, and the ethoxylated nonionic surfactant has excellent biodegradability and hard water adaptation capability and is widely applied to the industrial fields of detergents, petroleum, pesticides and the like;

according to "an ethoxylation reactor" that chinese patent grant publication No. CN201720733645.5 provided, can stir the reactant through the agitator, but the reactant is easy to adhere at the inner wall of the reactor cauldron body, and is difficult to clear up, when inputing ethylene glycol through the atomizer, is difficult to swing the atomizer, increases the range of spraying, improves the contact effect of ethylene glycol and ethylene oxide.

SUMMERY OF THE UTILITY MODEL

The utility model provides a continuous flow reactor suitable for ethoxylation, which solves the technical problem that reactants are stirred by a stirrer but easily adhere to the inner wall of a reactor body.

In order to solve the technical problems, the utility model provides a continuous flow reactor suitable for ethoxylation, which comprises a reaction kettle and a case, wherein the middle part of the bottom end of the reaction kettle is fixedly provided with a discharge valve through a discharge pipe, one side of the discharge pipe is fixedly provided with a return pipe, the top of the front surface of the reaction kettle is fixedly provided with a collecting pipe, one side of the collecting pipe is fixedly provided with a circulating pipe, the interior of the reaction kettle is rotatably connected with a stirring shaft, two sides of the stirring shaft are respectively and fixedly provided with a stirring mechanism, the inner walls of the tops of the two sides of the reaction kettle are respectively hinged with an arc-shaped pipe, the input ends of the two arc-shaped pipes are fixedly connected through a corrugated pipe, the output end of the collecting pipe penetrates through the reaction kettle and is fixedly connected with the input end of the corrugated pipe, one side of the two arc-shaped pipes is respectively and fixedly provided with a plurality of atomizing nozzles, and the middle parts of the top ends of the two arc-shaped pipes are respectively hinged with a rocker, the top of reation kettle and the bottom fixed connection of quick-witted case, there are circulating pump and gear motor in the inside of quick-witted case through mounting panel fixed mounting respectively, the output of back flow and the input of circulating pump all run through quick-witted case and respectively with the input and the output fixed connection of circulating pump, gear motor's output shaft runs through the mounting panel and fixedly is equipped with the drive wheel, the top of (mixing) shaft run through reation kettle and with the middle part fixed connection at driving wheel bottom, the drive wheel meshing is connected with two from the driving wheel, two all be equipped with the cam through the pivot is fixed from one side of driving wheel, two the top of cam all has the overlap joint crane, two the bottom of crane all runs through reation kettle, and is articulated with the top of two rockers respectively.

Preferably, two rabbling mechanism all includes the scraper blade, scrapes strip, two guide bracket, two puddlers, two baffles and two springs, two one side of scraper blade is all fixed to be equipped with and scrapes the strip, two the opposite side of scraper blade is all fixed to be equipped with two guide bracket, four guide bracket respectively with four puddler sliding connection, four the middle part of puddler is all fixed to be equipped with baffle, four the surface of puddler all overlaps and is equipped with spring, four the one end of puddler respectively with the both sides fixed connection of (mixing) shaft.

Preferably, two supports are fixedly mounted inside the case, and the two supports are respectively and rotatably connected with the middle parts of the two rotating shafts through bearings.

Preferably, the input end of the collecting pipe is fixedly provided with a one-way valve, the input end of the one-way valve is fixedly provided with an ethylene glycol pipe, and one side of the top of the front surface of the reaction kettle is fixedly provided with an ethane pipe.

Preferably, the guiding holes are formed in the two sides of the top end of the reaction kettle, the two guiding holes are clamped and connected with sealing rings, and the two sealing rings are connected with the two lifting frames in a sliding mode respectively.

Preferably, a switch panel is fixedly arranged on one side of the front surface of the reaction kettle, a circulating pump switch and a speed reduction motor switch are respectively arranged on the surface of the switch panel, and the circulating pump and the speed reduction motor are respectively connected with a power supply through the circulating pump switch and the speed reduction motor switch.

Compared with the related art, the continuous flow reactor suitable for ethoxylation provided by the utility model has the following beneficial effects:

the utility model provides a continuous flow reactor suitable for ethoxylation, wherein a stirring rod can be used for stirring reactants, the uniformity of the reactants is improved, the viscosity of the reactants is prevented from increasing, a scraping strip can be shaped through a scraping plate, the posture of the scraping strip can be kept, when the stirring rod rotates, the scraping strip can rotate along the inner wall of a reaction kettle and scrape the reactants on the inner wall of the reaction kettle, the reactants are not easily adhered to the inner wall of the reaction kettle, energy can be stored through a spring, when a gap is generated between the scraping strip and the inner wall of the reaction kettle, the spring can apply pressure to a guide support, the guide support can transmit horizontal pressure to the scraping strip, the adhesion degree between the scraping strip and the inner wall of the reaction kettle is improved, and the gap can be eliminated.

The utility model provides a continuous flow reactor suitable for ethoxylation, reactants can continuously flow and continuously react through a circulating pump, an atomization nozzle adopting an arc-shaped pipe can atomize ethylene glycol and the reactants, the contact effect of the ethylene glycol and ethane is increased when the ethane is input, a speed reduction motor drives a stirring shaft to rotate, a driving wheel can drive two driven wheels to rotate, the two driven wheels can drive two cams to synchronously rotate, the two cams can respectively drive two lifting frames to lift in the rotating process, the two arc-shaped pipes are hinged with the inner wall of a reaction kettle, the top ends of the two arc-shaped pipes are hinged with rocking rods, the postures of the two rocking rods can be changed in the lifting process of the two lifting frames, the two arc-shaped pipes can be continuously and vertically swung, the spraying range of the atomization nozzle of the arc-shaped pipe is increased, the two arc-shaped pipes are connected through a corrugated pipe, rigid connection of the two arced tubes is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic structural diagram of a stirring mechanism of the present invention;

FIG. 4 is a schematic structural view of the crane of the present invention;

fig. 5 is a schematic view of the structure of the arced tube of the present invention.

Reference numbers in the figures: 1. a reaction kettle; 2. a discharge pipe; 3. a discharge valve; 4. a return pipe; 5. an ethane tube; 6. a collector pipe; 7. a one-way valve; 8. a glycol tube; 9. a circulation pipe; 10. a stirring shaft; 11. a stirring mechanism; 111. a squeegee; 112. scraping the strips; 113. a guide bracket; 114. a stirring rod; 115. a baffle plate; 116. a spring; 12. an arc tube; 13. a rocker; 14. an atomizing spray head; 15. a chassis; 16. mounting a plate; 17. a circulation pump; 18. a reduction motor; 19. a driving wheel; 20. a support; 21. a rotating shaft; 22. a driven wheel; 23. a cam; 24. a lifting frame; 25. a bellows.

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.

In the first embodiment, as shown in fig. 1-5, the present invention comprises a reaction vessel 1 and a cabinet 15, a discharge valve 3 is fixedly arranged in the middle of the bottom end of the reaction vessel 1 through a discharge pipe 2, a return pipe 4 is fixedly arranged on one side of the discharge pipe 2, a manifold 6 is fixedly arranged on the top of the front surface of the reaction vessel 1, a circulation pipe 9 is fixedly arranged on one side of the manifold 6, a stirring shaft 10 is rotatably connected inside the reaction vessel 1, stirring mechanisms 11 are fixedly arranged on both sides of the stirring shaft 10, arc pipes 12 are hinged to the inner walls of the tops of both sides of the reaction vessel 1, the input ends of the two arc pipes 12 are fixedly connected through a corrugated pipe 25, the output end of the manifold 6 penetrates through the reaction vessel 1 and is fixedly connected with the input end of the corrugated pipe 25, a plurality of atomizing nozzles 14 are fixedly arranged on one side of the two arc pipes 12, a rocker 13 is hinged to the middle of the top ends of the two arc pipes 12, the top end of the reaction vessel 1 is fixedly connected with the bottom end of the cabinet 15, circulating pump 17 and gear motor 18 are respectively and fixedly installed in the inside of machine case 15 through mounting panel 16, the output end of back flow pipe 4 and the input end of circulating pipe 9 all run through machine case 15, and respectively with circulating pump 17's input and output end fixed connection, gear motor 18's output shaft runs through mounting panel 16, and fixed drive wheel 19 that is equipped with, reation kettle 1 is run through on the top of (mixing) shaft 10, and with the middle part fixed connection at the bottom of drive wheel 19, drive wheel 19 meshing is connected with two from driving wheel 22, two are all fixed cam 23 that is equipped with through pivot 21 from one side of driving wheel 22, the top of two cam 23 all has the overlap joint crane 24, reation kettle 1 is all run through to two crane 24's bottom, and articulated with the top of two rockers 13 respectively.

Embodiment two, on the basis of embodiment one, each of the two stirring mechanisms 11 includes a scraper 111, a scraper bar 112, two guide brackets 113, two stirring rods 114, two baffles 115 and two springs 116, the scraper bar 112 is fixedly disposed on one side of each of the two scraper bars 111, the two guide brackets 113 are fixedly disposed on the other side of each of the two scraper bars 111, the four guide brackets 113 are respectively slidably connected with the four stirring rods 114, the baffles 115 are fixedly disposed in the middle of the four stirring rods 114, the springs 116 are respectively sleeved on the surfaces of the four stirring rods 114, one end of each of the four stirring rods 114 is respectively fixedly connected with two sides of the stirring shaft 10, the stirring rods 114 can stir the reactant, the uniformity of the reactant is improved, the scraper bar 112 can be shaped through the scraper bars 111, the posture of the scraper bar 112 can be maintained, when the stirring rods 114 rotate, the scraper bar 112 can rotate along the inner wall of the reaction kettle 1 to scrape the reactant on the inner wall of the reaction kettle 1, the reactant is difficult for the inner wall of reation kettle 1, can the energy storage through spring 116, and when producing the gap between scraping strip 112 and the reation kettle 1 inner wall, spring 116 can exert pressure to guide bracket 113, and guide bracket 113 can transmit horizontal pressure to scraping strip 112, has improved the laminating degree between scraping strip 112 and the reation kettle 1 inner wall, can eliminate the gap.

In the third embodiment, on the basis of the first embodiment, two support bases 20 are fixedly installed inside the chassis 15, the two support bases 20 are respectively rotatably connected with the middle portions of the two rotating shafts 21 through bearings, and the two rotating shafts 21 can be respectively supported through the two support bases 20.

In the fourth embodiment, on the basis of the first embodiment, a check valve 7 is fixedly arranged at the input end of the collecting pipe 6, an ethylene glycol pipe 8 is fixedly arranged at the input end of the check valve 7, an ethane pipe 5 is fixedly arranged on one side of the top of the front surface of the reaction kettle 1, and the ethane pipe 5 and the ethylene glycol pipe 8 are convenient for respectively inputting ethane and ethylene glycol, and the reactant refilling inside the circulating pipe 9 can be avoided through the check valve 7.

Embodiment five, on the basis of embodiment one, the guiding hole has all been seted up to the both sides on 1 top of reation kettle, and the equal block in inside of two guiding holes is connected with the sealing ring, two sealing rings respectively with two crane 24 sliding connection, can lead crane 24 through the guiding hole, crane 24 is difficult for the skew, has improved the leakproofness between guiding hole and the crane 24 through the sealing ring.

Sixth embodiment, on the basis of first embodiment, the fixed flush mounting plate that is equipped with in positive one side of reation kettle 1, flush mounting plate's surface is equipped with circulating pump switch and gear motor switch respectively, and circulating pump 17 and gear motor 18 are respectively through circulating pump switch and gear motor switch and power electric connection, are convenient for control circulating pump 17's work and gear motor 18's work respectively through circulating pump switch and gear motor switch.

The working principle is as follows:

the first innovation point implementation step:

the first step is as follows: the staff inputs ethane and ethylene glycol through the ethane pipe 5 and the ethylene glycol pipe 8 respectively, the ethylene glycol is atomized and sprayed out through the atomizing nozzle 14 and contacts with the ethane, the staff turns on a speed reducing motor switch, and when the speed reducing motor 18 drives the stirring shaft 10 to rotate, the stirring rod 114 can stir the reactant, so that the uniformity of the reactant can be improved;

the second step is that: the scraping plate 111 can shape the scraping strip 112 and can keep the posture of the scraping strip 112, when the stirring rod 114 rotates, the scraping strip 112 can rotate along the inner wall of the reaction kettle 1 and scrape the reactant on the inner wall of the reaction kettle 1, and the reactant is not easy to adhere to the inner wall of the reaction kettle 1;

the third step: in this process, can the energy storage through spring 116, when producing the gap between scraping strip 112 and reation kettle 1 inner wall, spring 116 can exert pressure to guide bracket 113, and guide bracket 113 can transmit horizontal pressure to scraping strip 112, then can improve the laminating degree between scraping strip 112 and the reation kettle 1 inner wall, can eliminate the gap.

The implementation step of the second innovation point:

the first step is as follows: the worker turns on a circulating pump switch, the reactant continuously flows through the circulating pump 17, the reactant continuously reacts through the atomizing nozzle 14, when the speed reduction motor 18 drives the stirring shaft 10 to rotate, the driving wheel 19 can drive the two driven wheels 22 to rotate, the two driven wheels 22 can drive the two cams 23 to synchronously rotate, and the two cams 23 can respectively drive the two lifting frames 24 to lift in the rotating process;

the second step is that: because the two arc-shaped pipes 12 are hinged with the inner wall of the reaction kettle 1, and the top ends of the two arc-shaped pipes 12 are hinged with the rockers 13, the two lifting frames 24 can change the postures of the two rockers 13 in the lifting process, so that the two arc-shaped pipes 12 can be continuously vertically swung, and the spraying range of the atomizing nozzles 14 of the arc-shaped pipes 12 is enlarged;

the third step: the in-process that crane 24 goes up and down, the guiding hole can lead crane 24, and crane 24 is difficult for the skew, and bellows 25 can the continuous feed through changing self form, can not hinder the swing work of arc pipe 12.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A continuous flow reactor suitable for ethoxylation comprising a reactor vessel (1) and a housing (15), characterized by: the automatic feeding device is characterized in that a discharge valve (3) is fixedly arranged in the middle of the bottom end of the reaction kettle (1) through a discharge pipe (2), a return pipe (4) is fixedly arranged on one side of the discharge pipe (2), a manifold (6) is fixedly arranged on the front top of the reaction kettle (1), a circulating pipe (9) is fixedly arranged on one side of the manifold (6), a stirring shaft (10) is rotatably connected to the inside of the reaction kettle (1), stirring mechanisms (11) are fixedly arranged on two sides of the stirring shaft (10), arc pipes (12) are hinged to the inner walls of the tops of two sides of the reaction kettle (1), the input ends of the two arc pipes (12) are fixedly connected through a corrugated pipe (25), the output end of the manifold (6) penetrates through the reaction kettle (1) and is fixedly connected with the input end of the corrugated pipe (25), and a plurality of atomizing nozzles (14) are fixedly arranged on one side of the two arc pipes (12), the middle parts of the top ends of the two arc-shaped pipes (12) are respectively hinged with a rocker (13), the top end of the reaction kettle (1) is fixedly connected with the bottom end of a case (15), the inside of the case (15) is respectively and fixedly provided with a circulating pump (17) and a speed reducing motor (18) through a mounting plate (16), the output end of the return pipe (4) and the input end of the circulating pipe (9) both penetrate through the case (15) and are respectively and fixedly connected with the input end and the output end of the circulating pump (17), the output shaft of the speed reducing motor (18) penetrates through the mounting plate (16) and is fixedly provided with a driving wheel (19), the top end of the stirring shaft (10) penetrates through the reaction kettle (1) and is fixedly connected with the middle part of the bottom top of the driving wheel (19), the driving wheel (19) is engaged with two driven wheels (22), one side of each driven wheel (22) is fixedly provided with a cam (23) through a rotating shaft (21), lifting frames (24) are respectively overlapped at the top ends of the two cams (23), and the bottom ends of the two lifting frames (24) penetrate through the reaction kettle (1) and are respectively hinged with the top ends of the two rockers (13).

2. The continuous flow reactor suitable for ethoxylation according to claim 1, wherein each of the two stirring mechanisms (11) comprises a scraper (111), a scraper bar (112), two guide brackets (113), two stirring rods (114), two baffles (115) and two springs (116), the scraper bar (112) is fixedly arranged on one side of each of the two scraper bars (111), the two guide brackets (113) is fixedly arranged on the other side of each of the two scraper bars (111), the four guide brackets (113) are respectively connected with the four stirring rods (114) in a sliding manner, the baffles (115) are fixedly arranged in the middle of each of the four stirring rods (114), the springs (116) are sleeved on the surfaces of the four stirring rods (114), and one ends of the four stirring rods (114) are respectively fixedly connected with two sides of the stirring shaft (10).

3. The continuous flow reactor suitable for ethoxylation according to claim 1, wherein two support bases (20) are fixedly installed inside the housing (15), and each support base (20) is rotatably connected with the middle part of each rotating shaft (21) through a bearing.

4. The continuous flow reactor suitable for ethoxylation according to claim 1, wherein the input end of the collecting pipe (6) is fixedly provided with a one-way valve (7), the input end of the one-way valve (7) is fixedly provided with an ethylene glycol pipe (8), and one side of the front top of the reaction kettle (1) is fixedly provided with an ethane pipe (5).

5. The continuous flow reactor suitable for ethoxylation according to claim 1, wherein the top end of the reaction kettle (1) is provided with guide holes on both sides, the inside of the two guide holes is connected with sealing rings in a clamping manner, and the two sealing rings are respectively connected with the two lifting frames (24) in a sliding manner.

6. The continuous flow reactor suitable for ethoxylation according to claim 1, wherein a switch panel is fixedly arranged on one side of the front surface of the reaction kettle (1), a circulating pump switch and a speed reduction motor switch are respectively arranged on the surface of the switch panel, and the circulating pump (17) and the speed reduction motor (18) are respectively electrically connected with a power supply through the circulating pump switch and the speed reduction motor switch.

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