CN217663305U

CN217663305U - Reaction kettle for industrial production of tetrahydrofurfuryl alcohol

Info

Publication number: CN217663305U
Application number: CN202221113775.6U
Authority: CN
Inventors: 宋伟; 刘伟峰; 王立军; 刘辉; 王金平; 焦自祥
Original assignee: Zhucheng Taisheng Chemical Co ltd
Current assignee: Zhucheng Taisheng Chemical Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-10-28
Anticipated expiration: 2032-05-10

Abstract

The utility model relates to the technical field of tetrahydrofurfuryl alcohol production, in particular to a reaction kettle for industrial production of tetrahydrofurfuryl alcohol, which improves the production efficiency; including the support, the landing leg, reation kettle, including a motor, an end cap, a controller, and a cover plate, reciprocating screw, the connecting block, the stirring board, flexible scraper blade, the puddler, the discharging pipe, mix the mechanism in advance, hydrogenation mechanism and supporting mechanism, the reation kettle bottom is provided with four groups of landing legs, four groups of landing leg bottoms are provided with the support respectively, reation kettle is inside to have the cavity, supporting mechanism installs on the reation kettle top, the motor is installed on supporting mechanism, the motor output end is provided with reciprocating screw, reciprocating screw extends to in the cavity and rotate and connect the cavity bottom, the connecting block is in the cavity with reciprocating screw threaded connection, both ends are provided with the stirring board respectively about the connecting block, the free end of two sets of stirring boards is provided with flexible scraper blade respectively, the one end that two sets of flexible scraper blade kept away from mutually contacts with cavity inner wall lateral wall respectively.

Description

Reaction kettle for industrial production of tetrahydrofurfuryl alcohol

Technical Field

The utility model relates to a technical field of tetrahydrofurfuryl alcohol production especially relates to a reation kettle of industrial production tetrahydrofurfuryl alcohol.

Background

As is well known, a reaction kettle for industrial production of tetrahydrofurfuryl alcohol is an auxiliary device for tetrahydrofurfuryl alcohol production, and is widely used in the technical field of tetrahydrofurfuryl alcohol production.

In the production process of furfuryl alcohol production, generally adopt the motor to drive multiunit puddler through the (mixing) shaft and stir furfuryl alcohol and catalyst, because the (mixing) shaft drives multiunit puddler and only carries out unidirectional stirring, lead to the mixed effect of furfuryl alcohol and catalyst relatively poor, when reacting with hydrogen after furfuryl alcohol and catalyst mix, influence the conversion of tetrahydrofurfuryl alcohol, cause production efficiency lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an industrial production tetrahydrofurfuryl alcohol's reation kettle which improves production efficiency.

The utility model discloses a reation kettle of industrial production tetrahydrofurfuryl alcohol, which comprises a support, the landing leg, reation kettle, including a motor, an end cap, a controller, and a cover plate, the reciprocating screw, the connecting block, the stirring board, flexible scraper blade, the puddler, the discharging pipe, premix mechanism, hydrogenation mechanism and supporting mechanism, the reation kettle bottom is provided with four groups of landing legs, four groups of landing legs bottoms are provided with the support respectively, there is the cavity inside the reation kettle, supporting mechanism installs on reation kettle top, the motor is installed on supporting mechanism, the motor output end is provided with reciprocating screw, reciprocating screw bottom extends to in the cavity and rotates and connect the cavity bottom, the connecting block is with reciprocating screw threaded connection in the cavity, the left and right sides of connecting block are provided with the stirring board respectively, the free end of two groups of stirring board is provided with flexible scraper blade respectively, the one end that two groups of flexible scraper blade kept away from is contacted with cavity inner wall lateral wall respectively, the multiunit puddler all installs on reciprocating screw in the cavity, the lateral wall in the reation kettle right side is provided with the discharging pipe that extends to the cavity, premix mechanism installs on the lateral wall in the reation kettle left side, get into the cavity after premixing for premixing with furfuralcohol and catalyst in the reation kettle bottom, be installed in the cavity, add hydrogen; furfuryl alcohol and catalyst get into the cavity after premixing through premixing mechanism, hydrogen is injected into to the cavity to operation hydrogenation mechanism, the starter motor, make reciprocal lead screw drive multiunit puddler to furfuryl alcohol in the cavity, catalyst and hydrogen mix the stirring, reciprocal lead screw drives the connecting block simultaneously and rotates, because reciprocal lead screw and connecting block have relative motion, thereby when making the connecting block follow reciprocal lead screw pivoted, the connecting block carries out reciprocating motion from top to bottom in the cavity, thereby make two sets of stirring boards to furfuryl alcohol, catalyst and hydrogen mix the stirring, two sets of stirring boards drive two sets of flexible scraper blades and hang and rub adnexed material on to the cavity inside wall simultaneously, it is attached to the inside wall to reduce the material, and the production efficiency is improved.

Preferably, the premixing mechanism comprises a shell, a first chain wheel, a second chain wheel, a chain, a rotating shaft, stirring rods and a connecting pipe, wherein the connecting pipe extending to the cavity is arranged on the outer side wall of the left side of the reaction kettle; furfuryl alcohol gets into the inner chamber through annotating the material pipe, and the catalyst passes through the inlet pipe and gets into the inner chamber, and starter motor, reciprocal lead screw drive a sprocket and rotate, and a sprocket passes through the chain and drives No. two sprocket rotations to make the pivot drive the multiunit stirring rod in the inner chamber and carry out premixing to furfuryl alcohol and catalyst, improve follow-up production efficiency.

Preferably, the hydrogenation mechanism comprises a hydrogenation pipe, an annular pipe and an aeration head, the annular pipe is installed at the bottom end of the reaction kettle, the outer side wall of the right side of the annular pipe is communicated with the hydrogenation pipe, a plurality of groups of outlets are formed in the top end of the annular pipe, the plurality of groups of outlets are respectively provided with the aeration head, and the output ends of the plurality of groups of aeration heads extend into the chamber; hydrogen passes through inside the hydrogenation pipe gets into the ring pipe, and the hydrogen that gets into the ring pipe is inside gets into the cavity through multiunit aeration head, improves the mixed reaction rate of furfuryl alcohol, catalyst and hydrogen.

Preferably, the reaction kettle further comprises a water inlet pipe and a water outlet pipe, a cooling cavity is arranged in the side wall of the reaction kettle, the water inlet pipe extending to the cooling cavity is arranged on the outer side wall of the left side of the reaction kettle, and the water outlet pipe extending to the cooling cavity is arranged on the outer side wall of the right side of the reaction kettle; the cooling water enters the cooling cavity through the water inlet pipe, the heat generated in the reaction process of the furfuryl alcohol, the catalyst and the hydrogen in the cavity is cooled, and the cooling water is discharged through the water outlet pipe to absorb the heat generated in the reaction in the cavity.

Preferably, the supporting mechanism comprises a vertical plate and a transverse plate, the vertical plate is arranged at the top end of the reaction kettle, the transverse plate is arranged at the top end of the vertical plate, and the top end of the motor is connected with the bottom end of the transverse plate; the motor is stably supported by the vertical plate and the transverse plate, and stability is improved.

Preferably, the hydrogenation device also comprises a heating sleeve, and the hydrogenation pipe is sleeved with the heating sleeve; the heating jacket preheats the hydrogen in the hydrogenation pipe, thereby improving the reaction efficiency.

Preferably, the device also comprises reinforcing plates, the four groups of supporting legs are respectively provided with the reinforcing plates, and the top ends of the four groups of reinforcing plates are connected with the bottom end of the reaction kettle; the reaction kettle and the four groups of supporting legs are connected in a reinforced mode through the four groups of reinforcing plates, and the connection strength is improved.

Compared with the prior art, the beneficial effects of the utility model are that: furfuryl alcohol and catalyst get into the cavity after premixing through premixing mechanism, hydrogen is injected into to the cavity to operation hydrogenation mechanism, the starter motor, make reciprocal lead screw drive multiunit puddler to furfuryl alcohol in the cavity, catalyst and hydrogen mix the stirring, reciprocal lead screw drives the connecting block simultaneously and rotates, because reciprocal lead screw and connecting block have relative motion, thereby when making the connecting block follow reciprocal lead screw pivoted, the connecting block carries out reciprocating motion from top to bottom in the cavity, thereby make two sets of stirring boards to furfuryl alcohol, catalyst and hydrogen mix the stirring, two sets of stirring boards drive two sets of flexible scraper blades and hang and rub adnexed material on to the cavity inside wall simultaneously, it is attached to the inside wall to reduce the material, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic view of the axial cross-section structure of the present invention;

FIG. 2 is a partially enlarged view of the portion A in FIG. 1;

fig. 3 is a schematic view of a first axial structure of the present invention;

fig. 4 is a schematic diagram of a second axial measurement structure of the present invention;

in the drawings, the reference numbers: 1. a support; 2. a support leg; 3. a reaction kettle; 4. a motor; 5. a reciprocating screw; 6. connecting blocks; 7. a stirring plate; 8. a flexible scraper; 9. a stirring rod; 10. a discharge pipe; 11. a housing; 12. a first chain wheel; 13. a second sprocket; 14. a chain; 15. a rotating shaft; 16. a stirring rod; 17. a connecting pipe; 18. a hydrogenation pipe; 19. an annular tube; 20. an aeration head; 21. a water inlet pipe; 22. a water outlet pipe; 23. a vertical plate; 24. a transverse plate; 25. heating a jacket; 26. a reinforcing plate.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

The utility model discloses a reation kettle for industrial production of tetrahydrofurfuryl alcohol, which comprises a support 1, supporting legs 2, a reation kettle 3, a motor 4, a reciprocating screw 5, a connecting block 6, a stirring plate 7, a flexible scraper 8, a stirring rod 9, a discharging pipe 10, a shell 11, a first chain wheel 12, a second chain wheel 13, a chain 14, a rotating shaft 15, a stirring rod 16, a connecting pipe 17, a hydrogenation pipe 18, a ring pipe 19, an aeration head 20, a water inlet pipe 21, a water outlet pipe 22, a vertical plate 23, a transverse plate 24, a heating sleeve 25 and a reinforcing plate 26, wherein the bottom end of the reation kettle 3 is provided with four groups of supporting legs 2, the bottom ends of the four groups of supporting legs 2 are respectively provided with the support 1, the inside of the reation kettle 3 is provided with a cavity, the four groups of supporting legs 2 are respectively provided with the reinforcing plates 26, the top ends of the four groups of reinforcing plates 26 are all connected with the bottom end of the reation kettle 3, the vertical plate 23 is installed at the top end of the reation kettle 3, the transverse plate 24 is installed at the top end of the vertical plate 23, the top end of the motor 4 is connected with the bottom end of the transverse plate 24, the output end of the motor 4 is provided with a reciprocating screw 5, the bottom end of the reciprocating screw 5 extends into the cavity and is rotatably connected with the bottom end of the cavity, the connecting block 6 is in threaded connection with the reciprocating screw 5 in the cavity, the left and right ends of the connecting block 6 are respectively provided with a stirring plate 7, the free ends of two groups of stirring plates 7 are respectively provided with a flexible scraper 8, the far ends of two groups of flexible scrapers 8 are respectively contacted with the side wall of the inner wall of the cavity, a plurality of groups of stirring rods 9 are all arranged on the reciprocating screw 5 in the cavity, the outer side wall of the right side of the reaction kettle 3 is provided with a discharging pipe 10 extending into the cavity, the outer side wall of the left side of the reaction kettle 3 is provided with a connecting pipe 17 extending into the cavity, the left end of the connecting pipe 17 is communicated with the right end of the shell 11, an inner cavity is arranged inside the shell 11, the bottom end of the rotating shaft 15 is rotatably connected with the bottom end of the inner cavity, the top end of the rotating shaft 15 extends above the shell 11 and is connected with the bottom end of a second chain wheel 13, no. one sprocket 12 is installed on reciprocating screw 5, sprocket 12 and No. two sprockets 13 pass through the transmission of chain 14, multiunit stirring rod 16 is installed in the inner chamber in

pivot

15, 11 left ends of casing communicate respectively and are provided with notes material pipe and inlet pipe, ring pipe 19 is installed in 3 bottoms of reation kettle, ring pipe 19 right side lateral wall intercommunication is provided with hydrogenation pipe 18, ring pipe 19 top is provided with the export of multiunit, be provided with aeration head 20 in the export of multiunit respectively, the output of multiunit aeration head 20 all extends to in the cavity, reation kettle 3's the inside cooling chamber that is provided with of lateral wall, 3 left side lateral wall of reation kettle is provided with the inlet tube 21 that extends to the cooling chamber, reation kettle 3's right side lateral wall is provided with the outlet pipe 22 that extends to the cooling chamber, the last cover of hydrogenation pipe 18 is equipped with heating jacket 25.

As shown in fig. 1 to 4, the reaction kettle for industrial production of tetrahydrofurfuryl alcohol of the present invention, when it works, furfuryl alcohol enters the inner cavity through the feeding pipe, the catalyst enters the inner cavity through the feeding pipe, the starting motor 4, the reciprocating screw 5 drives the first chain wheel 12 to rotate, the first chain wheel 12 drives the second chain wheel 13 to rotate through the chain 14, so that the rotating shaft 15 drives the multiple groups of stirring rods 16 in the inner cavity to premix furfuryl alcohol and catalyst, the premixed furfuryl alcohol and catalyst enter the chamber through the connecting pipe 17, hydrogen enters the annular pipe 19 through the hydrogenation pipe 18 after being preheated by the heating jacket 25, hydrogen entering the annular pipe 19 enters the chamber through the multiple groups of aeration heads 20, the reciprocating screw 5 drives the multiple groups of stirring rods 9 to mix and stir furfuryl alcohol, catalyst and hydrogen in the chamber, reciprocal lead screw 5 drives connecting block 6 simultaneously and rotates, because there is relative motion in reciprocal lead screw 5 and connecting block 6, thereby when making connecting block 6 follow reciprocal lead screw 5 pivoted, connecting block 6 carries out up-and-down reciprocating motion in the cavity, thereby make two sets of stirring boards 7 to furfuryl alcohol, catalyst and hydrogen mix the stirring, two sets of stirring boards 7 drive two sets of flexible scraper blades 8 and hang and rub the adnexed material on the cavity inside wall simultaneously, it is attached to on the inside wall to reduce the material, the cooling water passes through inlet tube 21 and gets into the cooling chamber, furfuryl alcohol in the cavity, the heat that produces absorbs the cooling among catalyst and the hydrogen reaction process, later the cooling water is discharged through outlet pipe 22.

The reaction kettle for industrially producing tetrahydrofurfuryl alcohol of the utility model has common mechanical installation modes, connection modes or arrangement modes, and can be implemented as long as the beneficial effects are achieved; the utility model discloses a reation kettle 3 of industrial production tetrahydrofurfuryl alcohol's reation kettle, motor 4, flexible scraper blade 8, a sprocket 12, no. two sprockets 13, chain 14, aeration head 20 and heating jacket 25 are purchase on the market, this industry technical staff only need according to its subsidiary operating specification install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, and the terms "disposed," "mounted," "connected," and "secured" in the description of the invention are to be construed broadly and encompass, unless otherwise specifically stated or limited to, for example, fixed connections, detachable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The reaction kettle for industrially producing tetrahydrofurfuryl alcohol is characterized by comprising a support (1), supporting legs (2), a reaction kettle (3), a motor (4), a reciprocating screw rod (5), a connecting block (6), a stirring plate (7), flexible scraping plates (8), stirring rods (9), a discharging pipe (10), a premixing mechanism, a hydrogenation mechanism and a supporting mechanism, wherein four groups of supporting legs (2) are arranged at the bottom end of the reaction kettle (3), the support (1) is respectively arranged at the bottom ends of the four groups of supporting legs (2), a cavity is arranged in the reaction kettle (3), the supporting mechanism is arranged at the top end of the reaction kettle (3), the motor (4) is arranged on the supporting mechanism, the reciprocating screw rod (5) is arranged at the output end of the motor (4), the bottom end of the reciprocating screw rod (5) extends into the cavity and is rotatably connected with the bottom end of the cavity, the connecting block (6) is in threaded connection with the reciprocating screw rod (5) in the cavity, the stirring plates (7) are respectively arranged at the left end and the right end of the connecting block (6), the flexible scraping plates (8) are respectively arranged on the outer side wall of the cavity of the reciprocating screw rod (3), and the discharging pipe (9) extends to the outer side wall of the reaction kettle (10), the device is used for premixing furfuryl alcohol and a catalyst and then entering a cavity, and a hydrogenation mechanism is arranged at the bottom end of the reaction kettle (3) and used for adding hydrogen into the cavity.

2. The reaction kettle for industrial production of tetrahydrofurfuryl alcohol according to claim 1, wherein the premixing mechanism comprises a shell (11), a first chain wheel (12), a second chain wheel (13), a chain (14), a rotating shaft (15), stirring rods (16) and connecting pipes (17), the connecting pipe (17) extending to the chamber is arranged on the outer side wall of the left side of the reaction kettle (3), the left end of the connecting pipe (17) is communicated with the right end of the shell (11), an inner cavity is arranged inside the shell (11), the bottom end of the rotating shaft (15) is rotatably connected with the bottom end of the inner cavity, the top end of the rotating shaft (15) extends to the upper side of the shell (11) and is connected with the bottom end of the second chain wheel (13), the first chain wheel (12) is mounted on the reciprocating screw rod (5), the first chain wheel (12) and the second chain wheel (13) are driven by the chain (14), a plurality of groups of stirring rods (16) are mounted on the rotating shaft (15) in the inner cavity, and the left end of the shell (11) is respectively communicated with a feeding pipe and a feeding pipe.

3. The reaction kettle for industrially producing tetrahydrofurfuryl alcohol according to claim 1, wherein the hydrogenation mechanism comprises a hydrogenation pipe (18), a ring pipe (19) and an aeration head (20), the ring pipe (19) is installed at the bottom end of the reaction kettle (3), the outer side wall of the right side of the ring pipe (19) is communicated with the hydrogenation pipe (18), the top end of the ring pipe (19) is provided with a plurality of groups of outlets, the plurality of groups of outlets are respectively provided with the aeration head (20), and the output ends of the plurality of groups of aeration heads (20) all extend into the chamber.

4. The reaction kettle for industrially producing tetrahydrofurfuryl alcohol according to claim 3, further comprising a water inlet pipe (21) and a water outlet pipe (22), wherein a cooling chamber is disposed inside the sidewall of the reaction kettle (3), the water inlet pipe (21) extending to the cooling chamber is disposed on the left outer sidewall of the reaction kettle (3), and the water outlet pipe (22) extending to the cooling chamber is disposed on the right outer sidewall of the reaction kettle (3).

5. The reaction kettle for industrial production of tetrahydrofurfuryl alcohol according to claim 1, wherein the supporting mechanism comprises a vertical plate (23) and a horizontal plate (24), the vertical plate (23) is installed at the top end of the reaction kettle (3), the horizontal plate (24) is installed at the top end of the vertical plate (23), and the top end of the motor (4) is connected with the bottom end of the horizontal plate (24).

6. The reaction kettle for industrially producing tetrahydrofurfuryl alcohol according to claim 3, further comprising a heating jacket (25), wherein the hydrogenation tube (18) is sleeved with the heating jacket (25).

7. The reaction kettle for industrially producing tetrahydrofurfuryl alcohol according to claim 1, further comprising reinforcing plates (26), wherein the four sets of legs (2) are respectively provided with reinforcing plates (26), and the top ends of the four sets of reinforcing plates (26) are connected with the bottom end of the reaction kettle (3).