CN218187974U - Propylene oxide rectification purification device - Google Patents

Abstract

The utility model relates to an epoxypropane production technical field specifically is an epoxypropane rectification purification device. Which comprises a base plate, the top fixed mounting of base plate has rectifying column and condensing box, be equipped with the bent pipe of condensation in the condensing box, the top of bent pipe of condensation extend to the condensing box outside and with the top fixed connection of rectifying column, the bent pipe of condensation and rectifying column intercommunication, the bottom of the bent pipe of condensation extends to outside the condensing box, fixed mounting has the mounting groove in the rectifying column, be equipped with the gas filtration filter core in the mounting groove, fixed mounting has annular hot plate on the inner wall of rectifying column. The utility model has the advantages that: through simple rabbling mechanism to can realize the even stirring to the crude liquid of epoxypropane, and then guarantee to be heated evenly, thereby can effectively improve vaporization efficiency, reduce the rectification time, reduce the energy consumption, and conveniently clear up fast the solid filter core, thereby can guarantee the filter effect.

Description

Propylene oxide rectification purification device

Technical Field

The utility model relates to an epoxypropane production technical field specifically is an epoxypropane rectification purification device.

Background

Propylene oxide, also known as propylene oxide and methyl ethylene oxide, is a very important organic compound raw material, is a third-largest propylene derivative which is second to polypropylene and acrylonitrile, is colorless ether-flavored liquid, has low boiling point, is inflammable and chiral, is generally a racemic mixture of two enantiomers, is partially miscible with water, is miscible with ethanol and diethyl ether, forms a binary azeotropic mixture with pentane, pentene, cyclopentane, cyclopentene and dichloromethane, is toxic, has irritation to mucous membrane and skin, can damage cornea and conjunctiva of eyes, causes pain of respiratory system, skin burn and swelling and even tissue necrosis, and currently, propylene oxide can be mixed with more impurities in the production process, and is generally purified by adopting a rectification purification device matched with a filter element.

However, the existing propylene oxide rectification and purification device does not generally have a stirring and bypassing mechanism, so that the propylene oxide entering a rectification tower is easily heated unevenly, the vaporization efficiency is low, the rectification time is long, the energy consumption is high, the filtering filter element is not convenient to replace quickly, a large amount of disassembly and assembly operations are required, time and labor are wasted, and the improvement of the production efficiency is not facilitated.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims to: the utility model provides an epoxypropane rectification purification device, it does not generally have stirring to detour to solve current epoxypropane rectification purification device, leads to easily getting into epoxypropane in the rectifying column uneven being heated, leads to vaporization efficiency lower, and the rectification time is long, and it is big to consume energy, and is not convenient for carry out quick replacement to filtering filter core, need carry out a large amount of dismouting operations, wastes time and energy, is unfavorable for improving production efficiency's problem.

For the purpose of realizing above, the utility model discloses a technical scheme: the utility model provides an epoxypropane rectification purification device, includes the base plate, the top fixed mounting of base plate has rectifying column and condensing box, be equipped with the curved pipe of condensation in the condensing box, the top of the curved pipe of condensation extend to the condensing box outside and with the top fixed connection of rectifying column, the curved pipe of condensation communicates with the rectifying column, the bottom of the curved pipe of condensation extends to outside the condensing box, fixed mounting has the mounting groove in the rectifying column, be equipped with the gas filtration filter core in the mounting groove, fixed mounting has annular hot plate on the inner wall of rectifying column, annular hot plate is located the below of mounting groove, the carousel is installed to the rectifying column internal rotation, the carousel is located annular hot plate, the top welding of carousel has a plurality of puddlers, and is a plurality of the puddler is evenly arranged, the cavity has been seted up on the base plate, it has first through-hole to run through on the top inner wall of cavity, first through-hole and rectifying column intercommunication, the first through-hole internal rotation of through has the carousel, the top welding of pivot has the bottom of pivot, the worm wheel is installed to the internal rotation worm wheel of cavity, the one side of condenser is kept away from one side of second through-hole and the motor welding has the second through-hole to the motor and the condenser motor to run through-hole, the motor is installed to the second through-hole.

The utility model has the advantages that: through setting up like this to can realize the rapid mixing to the crude liquid of epoxypropane, make it be heated evenly, the effectual vaporization efficiency that has improved can effectively reduce the rectification time, and the power consumption is low, has brought very big facility for the rectification of epoxypropane.

In order to conveniently and rapidly clean the solid filtering filter element:

as a further improvement of the above technical solution: the rectifying column is kept away from one side of condensing box and is fixed and communicate with there is the pipe, slidable mounting has a plurality of solid filtration filter cores in the pipe, and is a plurality of fixed and run through same horizontal pole on the solid filtration filter core, the one end that the condensing box was kept away from to the pipe is equipped with the apron, the one end and the apron welding of horizontal pole, the fixed and communicate with in top of pipe has the feed liquor pipe, the one end of apron extends to in the pipe, the top of apron runs through there is the third through-hole, slidable mounting has two inserted bars in the third through-hole, the draw-in groove has all been seted up on the top of pipe and the bottom inner wall, the inner wall sliding connection of inserted bar and the draw-in groove that corresponds, two logical groove of rectangle has been seted up on the one side inner wall that the condensing box was kept away from to the third through-hole, the logical inslot of rectangle slides and runs through there is the pull rod, the one end and the corresponding inserted bar welding of pull rod, the logical slidable mounting of rectangle has the spring, two the one end that the spring kept away from each other respectively with corresponding pull rod contact.

The beneficial effect of this improvement does: through setting up like this to can realize dismantling the solid fast of filtering the filter core, and then conveniently clear up it, thereby can effectively guarantee its filter effect to the crude liquid of epoxypropane.

To facilitate filtration of the vaporized propylene oxide gas:

as a further improvement of the above technical solution: the bottom inner wall of the mounting groove is penetrated with a plurality of air holes which are uniformly distributed, and the top of the rectifying tower is of a conical structure.

The beneficial effect of this improvement does: through setting up the gas pocket to make the epoxypropane gas of vaporization fast filter through gas filtration filter core and filter.

In order to ensure the condensation effect:

as a further improvement of the above technical solution: a water inlet pipe is fixed and communicated with the top of the condensing box, and a water drain pipe is fixed and communicated with one side of the condensing box, which is far away from the rectifying tower.

The beneficial effect of this improvement does: through setting up inlet tube and drain pipe to can guarantee to be low-temperature water all the time in the condensing box, and then guarantee the condensation effect.

In order to make the rotation of the rotating shaft more stable:

as a further improvement of the technical scheme: two first bearings are fixedly installed in the first through hole, and the inner ring of each first bearing is fixedly sleeved on the rotating shaft.

The beneficial effect of this improvement does: through setting up first bearing to can restrict the position of countershaft, make its rotation more stable.

To position the rod:

as a further improvement of the technical scheme: two second bearings are fixedly installed in the second through hole, and inner rings of the second bearings are fixedly sleeved on the round rod.

The beneficial effect of this improvement does: through setting up the second bearing to can prevent effectively that the sideslip problem from appearing in the pole.

In order to prevent the crude liquid of the propylene oxide from overflowing outside the circular tube:

as a further improvement of the above technical solution: the solid filters the fixed cover on the filter core and is equipped with the ring, the inner wall sliding connection of ring and pipe, the annular groove has been seted up on the inner wall of pipe, fixed mounting has the sealing washer in the annular groove, sealing washer and apron sliding connection, spacing hole has been seted up on the pull rod, the inslot fixed mounting of rectangle leads to has the gag lever post, the gag lever post slides and runs through spacing hole, the spring sliding sleeve is established on the gag lever post.

The beneficial effect of this improvement does: through setting up the sealing washer to can effectively avoid the thick liquid of epoxypropane to spill over the pipe.

Drawings

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

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of a portion B of FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of a portion C of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of a three-dimensional assembly structure of the middle turntable and the stirring rod of the present invention;

fig. 6 is a schematic view of the assembly structure of the middle worm and the worm wheel of the present invention.

In the figure: 1. a substrate; 2. a rectifying tower; 3. a condenser tank; 4. a condenser bend; 5. mounting grooves; 6. a gas filtration cartridge; 7. an annular heating plate; 8. a turntable; 9. a stirring rod; 10. a chamber; 11. a first through hole; 12. a rotating shaft; 13. a worm gear; 14. a worm; 15. a second through hole; 16. a round bar; 17. a motor; 18. a circular tube; 19. a solid filter element; 20. a cross bar; 21. a cover plate; 22. a liquid inlet pipe; 23. a third through hole; 24. inserting a rod; 25. a card slot; 26. a rectangular through groove; 27. a pull rod; 28. a spring.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

Example 1:

as shown in fig. 1, fig. 2, fig. 5 and fig. 6, an epoxypropane rectification purification device comprises a substrate 1, wherein a rectification tower 2 and a condensation box 3 are fixedly mounted at the top of the substrate 1, a condensation curved pipe 4 is arranged in the condensation box 3, the top end of the condensation curved pipe 4 extends out of the condensation box 3 and is fixedly connected with the top of the rectification tower 2, the condensation curved pipe 4 is communicated with the rectification tower 2, the bottom end of the condensation curved pipe 4 extends out of the condensation box 3, a mounting groove 5 is fixedly mounted in the rectification tower 2, a gas filtering filter element 6 is arranged in the mounting groove 5, an annular heating plate 7 is fixedly mounted on the inner wall of the rectification tower 2, the annular heating plate 7 is positioned below the mounting groove 5, a rotary table 8 is rotatably mounted in the rectification tower 2, the rotary table 8 is positioned in the annular heating plate 7, a plurality of stirring rods 9 are welded at the top of the rotary table 8, a plurality of puddler 9 evenly arranges, cavity 10 has been seted up on base plate 1, it has first through-hole 11 to run through on the top inner wall of cavity 10, first through-hole 11 and 2 intercommunications of rectifying column, first through-hole 11 internal rotation has run through pivot 12, the top welding of pivot 12 is in the bottom of carousel 8, the bottom welding of pivot 12 has worm wheel 13, worm 14 is installed to the cavity 10 internal rotation, worm 14 and worm wheel 13 mesh, second through-hole 15 has been seted up to one side that condenser box 3 was kept away from to base plate 1, round bar 16 has been run through in the 15 internal rotations of second through-hole, the one end and the worm 14 welding of round bar 16, one side fixed mounting that condenser box 3 was kept away from to base plate 1 has motor 17, motor 17's output shaft extends to in second through-hole 15 and welds with round bar 16.

Example 2:

as shown in fig. 1, fig. 3 and fig. 4, as a further optimization of the above embodiment, a rectification and purification apparatus for propylene oxide, comprises a base plate 1, a rectifying tower 2 and a condensing box 3 are fixedly arranged at the top of the base plate 1, a condensing curved pipe 4 is arranged in the condensing box 3, the top end of the condensation curved pipe 4 extends to the outside of the condensation box 3 and is fixedly connected with the top of the rectifying tower 2, the curved condensation pipe 4 is communicated with the rectifying tower 2, the bottom end of the curved condensation pipe 4 extends out of the condensation tank 3, an installation groove 5 is fixedly arranged in the rectifying tower 2, a gas filtering filter element 6 is arranged in the installation groove 5, an annular heating plate 7 is fixedly arranged on the inner wall of the rectifying tower 2, the annular heating plate 7 is positioned below the mounting groove 5, a rotary disc 8 is rotatably arranged in the rectifying tower 2, the rotary disc 8 is positioned in the annular heating plate 7, a plurality of stirring rods 9 are welded at the top of the turntable 8, the stirring rods 9 are uniformly distributed, the substrate 1 is provided with a cavity 10, a first through hole 11 penetrates through the inner wall of the top of the cavity 10, the first through hole 11 is communicated with the rectifying tower 2, a rotating shaft 12 is rotatably penetrated through the first through hole 11, the top end of the rotating shaft 12 is welded at the bottom of the rotating disc 8, the bottom end of the rotating shaft 12 is welded with a worm wheel 13, a worm 14 is rotatably mounted in the chamber 10, the worm 14 is engaged with a worm wheel 13, a second through hole 15 is arranged on one side of the base plate 1 far away from the condensing box 3, a round rod 16 is rotatably penetrated through the second through hole 15, one end of the round rod 16 is welded with the worm 14, one side of the base plate 1, which is far away from the condensing box 3, is fixedly provided with a motor 17, and an output shaft of the motor 17 extends into the second through hole 15 and is welded with the round rod 16. Fixed and the intercommunication has pipe 18 in one side that condensing box 3 was kept away from to rectifying column 2, slidable mounting has a plurality of solid filter element 19 in pipe 18, and is a plurality of fixed and running through has same horizontal pole 20 on the solid filter element 19, the one end that condensing box 3 was kept away from to pipe 18 is equipped with apron 21, the one end and the apron 21 welding of horizontal pole 20, the fixed and the intercommunication in top of pipe 18 has feed liquor pipe 22, the one end of apron 21 extends to in the pipe 18, the top of apron 21 runs through has third through-hole 23, slidable mounting has two inserted bars 24 in the third through-hole 23, draw-in groove 25 has all been seted up on the top of pipe 18 and the bottom inner wall, inserted bar 24 and the inner wall sliding connection of the draw-in groove 25 that corresponds, two rectangle through groove 26 have been seted up on the one side inner wall that condensing box 3 was kept away from to third through-hole 23, the rectangle through-hole 26 has slided through pull rod 27, the one end of pull rod 27 welds with the corresponding inserted bar 24, slidable mounting has spring 28, two in rectangle pull rod 26 the one end that spring 28 kept away from each other is led to the groove 27 contact with the corresponding through groove 27 respectively.

Example 3:

as shown in fig. 1, as a further optimization of the above embodiment, an epoxy propane rectification and purification device includes a substrate 1, a rectification tower 2 and a condensation box 3 are fixedly mounted on the top of the substrate 1, a curved condensation pipe 4 is arranged in the condensation box 3, the top end of the curved condensation pipe 4 extends out of the condensation box 3 and is fixedly connected with the top of the rectification tower 2, the curved condensation pipe 4 is communicated with the rectification tower 2, the bottom end of the curved condensation pipe 4 extends out of the condensation box 3, a mounting groove 5 is fixedly mounted in the rectification tower 2, a gas filtering filter element 6 is arranged in the mounting groove 5, an annular heating plate 7 is fixedly mounted on the inner wall of the rectification tower 2, the annular heating plate 7 is located below the mounting groove 5, a rotary table 8 is rotatably mounted in the rectification tower 2, the rotary table 8 is located in the annular heating plate 7, the welding of carousel 8's top has a plurality of puddlers 9, and is a plurality of puddlers 9 evenly arranges, cavity 10 has been seted up on base plate 1, it has first through-hole 11 to run through on the top inner wall of cavity 10, first through-hole 11 and rectifying column 2 intercommunication, first through-hole 11 internal rotation runs through there is pivot 12, the top welding of pivot 12 is in the bottom of carousel 8, the bottom welding of pivot 12 has worm wheel 13, worm 14 is installed to the internal rotation of cavity 10, worm 14 and worm wheel 13 mesh, second through-hole 15 has been seted up to one side that condenser box 3 was kept away from to base plate 1, second through-hole 15 internal rotation runs through round bar 16, the one end and the worm 14 welding of round bar 16, one side fixed mounting that condenser box 3 was kept away from to base plate 1 has motor 17, the output shaft of motor 17 extends to in second through-hole 15 and welds with round bar 16. A plurality of air holes penetrate through the inner wall of the bottom of the mounting groove 5, the air holes are evenly distributed, and the top of the rectifying tower 2 is of a conical structure.

Example 4:

as shown in fig. 1, as a further optimization of the above embodiment, an epoxy propane rectification and purification device includes a substrate 1, a rectification tower 2 and a condensation box 3 are fixedly mounted on the top of the substrate 1, a curved condensation pipe 4 is arranged in the condensation box 3, the top end of the curved condensation pipe 4 extends out of the condensation box 3 and is fixedly connected with the top of the rectification tower 2, the curved condensation pipe 4 is communicated with the rectification tower 2, the bottom end of the curved condensation pipe 4 extends out of the condensation box 3, a mounting groove 5 is fixedly mounted in the rectification tower 2, a gas filtering filter element 6 is arranged in the mounting groove 5, an annular heating plate 7 is fixedly mounted on the inner wall of the rectification tower 2, the annular heating plate 7 is located below the mounting groove 5, a rotary table 8 is rotatably mounted in the rectification tower 2, the rotary table 8 is located in the annular heating plate 7, the welding of carousel 8's top has a plurality of puddlers 9, and is a plurality of puddlers 9 evenly arranges, cavity 10 has been seted up on base plate 1, it has first through-hole 11 to run through on the top inner wall of cavity 10, first through-hole 11 and rectifying column 2 intercommunication, first through-hole 11 internal rotation runs through there is pivot 12, the top welding of pivot 12 is in the bottom of carousel 8, the bottom welding of pivot 12 has worm wheel 13, worm 14 is installed to the internal rotation of cavity 10, worm 14 and worm wheel 13 mesh, second through-hole 15 has been seted up to one side that condenser box 3 was kept away from to base plate 1, second through-hole 15 internal rotation runs through round bar 16, the one end and the worm 14 welding of round bar 16, one side fixed mounting that condenser box 3 was kept away from to base plate 1 has motor 17, the output shaft of motor 17 extends to in second through-hole 15 and welds with round bar 16. The top of the condensing box 3 is fixed and communicated with a water inlet pipe, and one side of the condensing box 3, which is far away from the rectifying tower 2, is fixed and communicated with a water outlet pipe.

Example 5:

as shown in fig. 2, as a further optimization of the above embodiment, an epoxy propane rectification and purification device includes a substrate 1, a rectification tower 2 and a condensation box 3 are fixedly mounted on the top of the substrate 1, a curved condensation pipe 4 is arranged in the condensation box 3, the top end of the curved condensation pipe 4 extends out of the condensation box 3 and is fixedly connected with the top of the rectification tower 2, the curved condensation pipe 4 is communicated with the rectification tower 2, the bottom end of the curved condensation pipe 4 extends out of the condensation box 3, a mounting groove 5 is fixedly mounted in the rectification tower 2, a gas filtering filter element 6 is arranged in the mounting groove 5, an annular heating plate 7 is fixedly mounted on the inner wall of the rectification tower 2, the annular heating plate 7 is located below the mounting groove 5, a rotary table 8 is rotatably mounted in the rectification tower 2, the rotary table 8 is located in the annular heating plate 7, the welding of carousel 8's top has a plurality of puddlers 9, and is a plurality of puddlers 9 evenly arranges, cavity 10 has been seted up on base plate 1, it has first through-hole 11 to run through on the top inner wall of cavity 10, first through-hole 11 and rectifying column 2 intercommunication, first through-hole 11 internal rotation runs through there is pivot 12, the top welding of pivot 12 is in the bottom of carousel 8, the bottom welding of pivot 12 has worm wheel 13, worm 14 is installed to the internal rotation of cavity 10, worm 14 and worm wheel 13 mesh, second through-hole 15 has been seted up to one side that condenser box 3 was kept away from to base plate 1, second through-hole 15 internal rotation runs through round bar 16, the one end and the worm 14 welding of round bar 16, one side fixed mounting that condenser box 3 was kept away from to base plate 1 has motor 17, the output shaft of motor 17 extends to in second through-hole 15 and welds with round bar 16. Two first bearings are fixedly installed in the first through hole 11, and inner rings of the first bearings are fixedly sleeved on the rotating shaft 12.

Example 6:

as shown in fig. 2, as a further optimization of the above embodiment, an epoxy propane rectification and purification device includes a substrate 1, a rectification tower 2 and a condensation box 3 are fixedly mounted on the top of the substrate 1, a curved condensation pipe 4 is arranged in the condensation box 3, the top end of the curved condensation pipe 4 extends out of the condensation box 3 and is fixedly connected with the top of the rectification tower 2, the curved condensation pipe 4 is communicated with the rectification tower 2, the bottom end of the curved condensation pipe 4 extends out of the condensation box 3, a mounting groove 5 is fixedly mounted in the rectification tower 2, a gas filtering filter element 6 is arranged in the mounting groove 5, an annular heating plate 7 is fixedly mounted on the inner wall of the rectification tower 2, the annular heating plate 7 is located below the mounting groove 5, a rotary table 8 is rotatably mounted in the rectification tower 2, the rotary table 8 is located in the annular heating plate 7, the welding of carousel 8's top has a plurality of puddlers 9, and is a plurality of puddlers 9 evenly arranges, cavity 10 has been seted up on base plate 1, it has first through-hole 11 to run through on the top inner wall of cavity 10, first through-hole 11 and rectifying column 2 intercommunication, first through-hole 11 internal rotation runs through there is pivot 12, the top welding of pivot 12 is in the bottom of carousel 8, the bottom welding of pivot 12 has worm wheel 13, worm 14 is installed to the internal rotation of cavity 10, worm 14 and worm wheel 13 mesh, second through-hole 15 has been seted up to one side that condenser box 3 was kept away from to base plate 1, second through-hole 15 internal rotation runs through round bar 16, the one end and the worm 14 welding of round bar 16, one side fixed mounting that condenser box 3 was kept away from to base plate 1 has motor 17, the output shaft of motor 17 extends to in second through-hole 15 and welds with round bar 16. Two second bearings are fixedly installed in the second through hole 15, and inner rings of the second bearings are fixedly sleeved on the round rod 16.

Example 7:

as shown in fig. 3-4, as a further optimization of the above embodiment, a rectification and purification device for propylene oxide comprises a base plate 1, a rectifying tower 2 and a condensing box 3 are fixedly arranged at the top of the base plate 1, a condensing curved pipe 4 is arranged in the condensing box 3, the top end of the condensation curved pipe 4 extends to the outside of the condensation box 3 and is fixedly connected with the top of the rectifying tower 2, the condensation curved pipe 4 is communicated with the rectifying tower 2, the bottom end of the condensation curved pipe 4 extends out of the condensation tank 3, an installation groove 5 is fixedly arranged in the rectifying tower 2, a gas filtering filter element 6 is arranged in the installation groove 5, an annular heating plate 7 is fixedly arranged on the inner wall of the rectifying tower 2, the annular heating plate 7 is positioned below the mounting groove 5, a rotary disc 8 is rotatably arranged in the rectifying tower 2, the rotary disc 8 is positioned in the annular heating plate 7, a plurality of stirring rods 9 are welded at the top of the turntable 8, the stirring rods 9 are uniformly distributed, a cavity 10 is arranged on the substrate 1, a first through hole 11 penetrates through the inner wall of the top of the cavity 10, the first through hole 11 is communicated with the rectifying tower 2, a rotating shaft 12 is rotatably penetrated through the first through hole 11, the top end of the rotating shaft 12 is welded at the bottom of the rotating disc 8, the bottom end of the rotating shaft 12 is welded with a worm wheel 13, a worm 14 is rotatably mounted in the chamber 10, the worm 14 is engaged with a worm wheel 13, a second through hole 15 is arranged on one side of the base plate 1 far away from the condensing box 3, a round rod 16 is rotatably penetrated through the second through hole 15, one end of the round rod 16 is welded with the worm 14, one side of the base plate 1, which is far away from the condensing box 3, is fixedly provided with a motor 17, and an output shaft of the motor 17 extends into the second through hole 15 and is welded with the round rod 16. Fixed and the intercommunication has pipe 18 in one side that condensing box 3 was kept away from to rectifying column 2, slidable mounting has a plurality of solid filter element 19 in pipe 18, and is a plurality of fixed and running through has same horizontal pole 20 on the solid filter element 19, the one end that condensing box 3 was kept away from to pipe 18 is equipped with apron 21, the one end and the apron 21 welding of horizontal pole 20, the fixed and the intercommunication in top of pipe 18 has feed liquor pipe 22, the one end of apron 21 extends to in the pipe 18, the top of apron 21 runs through has third through-hole 23, slidable mounting has two inserted bars 24 in the third through-hole 23, draw-in groove 25 has all been seted up on the top of pipe 18 and the bottom inner wall, inserted bar 24 and the inner wall sliding connection of the draw-in groove 25 that corresponds, two rectangle through groove 26 have been seted up on the one side inner wall that condensing box 3 was kept away from to third through-hole 23, the rectangle through-hole 26 has slided through pull rod 27, the one end of pull rod 27 welds with the corresponding inserted bar 24, slidable mounting has spring 28, two in rectangle pull rod 26 the one end that spring 28 kept away from each other is led to the groove 27 contact with the corresponding through groove 27 respectively. The fixed cover is equipped with the ring on the solid filter core 19, the inner wall sliding connection of ring and pipe 18, the annular groove has been seted up on the inner wall of pipe 18, fixed mounting has the sealing washer in the annular groove, sealing washer and apron 21 sliding connection, spacing hole has been seted up on the pull rod 27, fixed mounting has the gag lever post in the logical groove 26 of rectangle, the gag lever post slides and runs through spacing hole, spring 28 slip cover is established on the gag lever post.

The utility model discloses a theory of operation does: when the device is used, firstly, cold water is continuously filled into the condensation box 3 through the water inlet pipe and the water outlet pipe and is replaced, then, crude epoxy propane liquid is filled into the round pipe 18 through the liquid inlet pipe 22, meanwhile, the crude epoxy propane liquid enters the rectifying tower 2 through the plurality of solid filtering filter elements 19, meanwhile, solid impurities are filtered, then, the motor 17 and the annular heating plate 7 are started, the annular heating plate 7 heats the epoxy propane liquid entering the rectifying tower 2, meanwhile, the output shaft of the motor 17 drives the round rod 16 to rotate, the round rod 16 drives the worm 14 to rotate, so that the worm wheel 13 is driven to rotate in the cavity 10, meanwhile, the worm wheel 13 drives the rotating shaft 12 to rotate, so that the rotating disc 8 is driven to rotate, meanwhile, the rotating disc 8 drives the plurality of stirring rods 9 to rotate, so that the epoxy propane liquid in the rectifying tower 2 is stirred, heat is uniformly conducted, and the epoxy propane starts to vaporize, the crude gas of the epoxypropane penetrates through the mounting groove 5 and the gas filtering filter element 6 through the plurality of air holes to be filtered to remove most of doped gas impurities, the rest gas enters the condensing box 3 through the condensing curved pipe 4, the temperature is reduced, the gas epoxypropane is condensed and liquefied and flows out of the condensing box 3, through the arrangement, the crude epoxypropane liquid can be rapidly stirred, the crude epoxypropane liquid is uniformly heated, the vaporization efficiency is effectively improved, the rectification time can be effectively reduced, the energy consumption is low, great convenience is brought to the rectification of the epoxypropane, when the solid filtering filter element 19 needs to be cleaned, the two pull rods 27 are pulled firstly, the pull rods 27 are driven to slide in the corresponding rectangular through grooves 26, the springs 28 are compressed, meanwhile, the two pull rods 27 drive the two insert rods 24 to slide in the third through holes 23 and approach each other, the two insert rods 24 respectively slide and exit from the corresponding clamping grooves 25, and the fixing of the cover plate 21 is released, pulling apron 21 afterwards, make apron 21 slide and withdraw from pipe 18, apron 21 drives horizontal pole 20 simultaneously and stretches out outside pipe 18, make outside a plurality of solid filter element 19 were driven to slide and withdraw from pipe 18, just can clear up solid filter element 19 afterwards, through setting up like this, thereby can realize the quick dismantlement to solid filter element 19, and then conveniently clear up it, thereby can effectively guarantee its filter effect to the crude liquid of epoxypropane.

It should be noted that, in this document, 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.

The principles and embodiments of the present invention have been described herein using specific examples, which are presented only to aid in understanding the methods and core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are practically unlimited specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features described above can also be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims (7)

1. The utility model provides a propylene oxide rectification purification device, includes base plate (1), its characterized in that: the top fixed mounting of base plate (1) has rectifying column (2) and condensing box (3), be equipped with condensation bent pipe (4) in condensing box (3), the top of condensation bent pipe (4) extends to outside condensing box (3) and with the top fixed connection of rectifying column (2), condensation bent pipe (4) and rectifying column (2) intercommunication, the bottom of condensation bent pipe (4) extends to outside condensing box (3), fixed mounting has mounting groove (5) in rectifying column (2), be equipped with gas filter core (6) in mounting groove (5), fixed mounting has annular hot plate (7) on the inner wall of rectifying column (2), annular hot plate (7) are located the below of mounting groove (5), carousel (8) are installed to rectifying column (2) internal rotation, carousel (8) are located annular hot plate (7), the top welding of carousel (8) has a plurality of puddlers (9), a plurality of puddlers (9) evenly arrange, seted up on base plate (1), cavity (10) first through-hole (11) and first through-hole (11) are run through in the top of rectifying column (11), the top welding of pivot (12) is in the bottom of carousel (8), the bottom welding of pivot (12) has worm wheel (13), worm (14) are installed to cavity (10) internal rotation, worm (14) and worm wheel (13) meshing, second through-hole (15) have been seted up to one side that condenser box (3) were kept away from in base plate (1), second through-hole (15) internal rotation has run through round bar (16), the one end and the worm (14) welding of round bar (16), one side fixed mounting that condenser box (3) were kept away from in base plate (1) has motor (17), the output shaft of motor (17) extend to in second through-hole (15) and with round bar (16) welding.

2. The rectification purification device for propylene oxide according to claim 1, which is characterized in that: one side of the rectifying tower (2) far away from the condensing box (3) is fixed and communicated with a round pipe (18), a plurality of solid filtering filter elements (19) are arranged in the circular tube (18) in a sliding way, the plurality of solid filtering filter elements (19) are fixed with a same cross rod (20) in a penetrating way, a cover plate (21) is arranged at one end of the round pipe (18) far away from the condensing box (3), one end of the cross rod (20) is welded with the cover plate (21), the top of the round pipe (18) is fixed and communicated with a liquid inlet pipe (22), one end of the cover plate (21) extends into the circular tube (18), a third through hole (23) penetrates through the top of the cover plate (21), two inserted rods (24) are arranged in the third through hole (23) in a sliding way, the inner walls of the top and the bottom of the round tube (18) are both provided with a clamping groove (25), the inserted bar (24) is connected with the inner wall of the corresponding clamping groove (25) in a sliding way, two rectangular through grooves (26) are arranged on the inner wall of one side of the third through hole (23) far away from the condensing box (3), a pull rod (27) penetrates through the rectangular through groove (26) in a sliding way, one end of the pull rod (27) is welded with the corresponding inserted rod (24), the rectangular through groove (26) is internally provided with springs (28) in a sliding mode, and one ends, far away from each other, of the two springs (28) are respectively in contact with the corresponding pull rods (27).

3. The propylene oxide rectification purification device according to claim 1, characterized in that: a plurality of air holes penetrate through the inner wall of the bottom of the mounting groove (5) and are evenly distributed, and the top of the rectifying tower (2) is of a conical structure.

4. The rectification purification device for propylene oxide according to claim 1, which is characterized in that: a water inlet pipe is fixed and communicated with the top of the condensing box (3), and a water drain pipe is fixed and communicated with one side, far away from the rectifying tower (2), of the condensing box (3).

5. The rectification purification device for propylene oxide according to claim 1, which is characterized in that: two first bearings are fixedly installed in the first through hole (11), and the inner ring of each first bearing is fixedly sleeved on the rotating shaft (12).

6. The rectification purification device for propylene oxide according to claim 1, which is characterized in that: two second bearings are fixedly installed in the second through hole (15), and inner rings of the second bearings are fixedly sleeved on the round rod (16).

7. The rectification purification device for propylene oxide according to claim 2, characterized in that: the fixed cover is equipped with the ring on solid filter core (19), the inner wall sliding connection of ring and pipe (18), set up the annular groove on the inner wall of pipe (18), fixed mounting has the sealing washer in the annular groove, sealing washer and apron (21) sliding connection, spacing hole has been seted up on pull rod (27), the rectangle leads to fixed mounting in groove (26) has the gag lever post, the gag lever post slides and runs through spacing hole, spring (28) slip cover is established on the gag lever post.

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