CN220860819U - Multistage screening purification equipment is used in production of para-nitro benzyl alcohol - Google Patents

Abstract

The utility model discloses multistage screening and purifying equipment for producing p-nitrobenzyl alcohol, which comprises a first mounting frame, a reaction kettle and a stirring mechanism; first mounting bracket: a filter vat is arranged in a mounting groove formed in the upper end of the filter vat, filter screens are respectively arranged in the filter vat, a discharge pipe is arranged in a discharge hole formed in the lower end of the filter vat, and a discharge valve is connected in series in the middle of the discharge pipe; and (3) a reaction kettle: the opening part arranged at the upper end of the reaction kettle is connected with a sealing cover through a fastening bolt, exhaust pipes are arranged in exhaust holes arranged at the upper end of the sealing cover, and an electric heating wire is arranged in a cavity arranged at the lower side of the reaction kettle; stirring mechanism: the multistage screening purification equipment is arranged in the sealing cover, so that the stirring rod can drive the stirring blades to rotate while rotating, the storage space of the reaction kettle is not reduced, the contact area between the p-nitrobenzyl alcohol solution and the electric heating wire is increased, and the distillation and purification speed of the p-nitrobenzyl alcohol solution is improved.

Description

Multistage screening purification equipment is used in production of para-nitro benzyl alcohol

Technical Field

The utility model relates to the technical field of p-nitrobenzyl alcohol production equipment, in particular to multi-stage screening and purifying equipment for p-nitrobenzyl alcohol production.

Background

P-nitrobenzyl alcohol, also called p-nitrobenzyl alcohol, is white or light yellow crystal, is easy to dissolve in ethanol and diethyl ether and slightly soluble in cold water, is mainly used for manufacturing plasticizers and disinfectants, can also be used for manufacturing synthetic resins, coatings, fluorescent dyes and the like, is an organic synthetic raw material, can be used as a solvent, and is used as a dewaxing agent of lubricating oil in the oil refining industry;

The multi-stage screening and purifying of the p-nitrobenzyl alcohol refers to removing impurities and other substances in the p-nitrobenzyl alcohol after production, and the p-nitrobenzyl alcohol solution is usually filtered through multi-stage screening and purifying equipment for the p-nitrobenzyl alcohol production during operation, the impurities in the p-nitrobenzyl alcohol solution are primarily filtered and eliminated, and then the p-nitrobenzyl alcohol solution is distilled and purified through multi-stage screening and purifying equipment for the p-nitrobenzyl alcohol production;

The existing multistage screening purification equipment for the production of the p-nitrobenzyl alcohol can carry out distillation purification on the p-nitrobenzyl alcohol solution through an electric heating wire in the using process, but the contact area of the distillation purification on the p-nitrobenzyl alcohol solution and the electric heating wire is limited, so that the distillation purification speed of the p-nitrobenzyl alcohol solution is relatively low, and part of multistage screening purification equipment for the production of the p-nitrobenzyl alcohol simultaneously carries out distillation purification on the p-nitrobenzyl alcohol solution in a reaction kettle through a plurality of driving motors to carry out multi-angle stirring, and although the contact area between the distillation purification on the p-nitrobenzyl alcohol solution and the electric heating wire is increased, the internal structure of the reaction kettle is more complicated, and the storage space of the reaction kettle is also reduced.

Disclosure of utility model

The utility model aims to overcome the existing defects, and provides multistage screening and purifying equipment for the production of the p-nitrobenzyl alcohol, which is arranged by matching a gear with an internal gear ring, so that a stirring rod can drive stirring blades to rotate while rotating in the process of distilling and purifying the p-nitrobenzyl alcohol solution, has a simple structure, can be completed by only one motor, can not reduce the storage space of a reaction kettle, can increase the contact area between the p-nitrobenzyl alcohol solution and an electric heating wire, can improve the speed of distilling and purifying the p-nitrobenzyl alcohol solution, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a multi-stage screening and purifying device for the production of p-nitrobenzyl alcohol comprises a first mounting frame, a reaction kettle and a stirring mechanism;

First mounting bracket: a filter vat is arranged in a mounting groove formed in the upper end of the filter vat, filter screens are respectively arranged in the filter vat, a discharge pipe is arranged in a discharge hole formed in the lower end of the filter vat, and a discharge valve is connected in series in the middle of the discharge pipe;

And (3) a reaction kettle: the opening part arranged at the upper end of the reaction kettle is connected with a sealing cover through a fastening bolt, exhaust pipes are arranged in exhaust holes arranged at the upper end of the sealing cover, and an electric heating wire is arranged in a cavity arranged at the lower side of the reaction kettle;

Stirring mechanism: the stirring mechanism is arranged in the sealing cover, and the stirring mechanism is positioned in the reaction kettle;

Wherein: still include control switch group, control switch group is located the outside of first mounting bracket, and control switch group's input is connected with external power source electricity, and electric heater strip's input is connected with control switch group's output electricity, through gear and internal gear ring cooperation setting, in-process that the purification is distilled to the p-nitro benzyl alcohol solution can make the puddler can drive stirring vane rotation when rotatory, simple structure just can accomplish with only needing a motor, can not reduce reation kettle's storage space also increase the area of contact between p-nitro benzyl alcohol solution and the electric heater strip, has improved the speed of p-nitro benzyl alcohol solution distillation purification.

Further, rabbling mechanism includes output pole, second mounting bracket, puddler and stirring vane, the output pole is rotated through the bearing and is connected in the avoidance inslot that the middle part that seals the lid roof set up, and the middle part of output pole extrados is provided with the second mounting bracket, and the connecting groove that the second mounting bracket lower extreme set up is connected with the puddler through the bearing rotation respectively, and the downside of puddler extrados all is provided with stirring vane, and stirring vane all is located reation kettle's inside, has increased the area of contact between p-nitro benzyl alcohol solution and the electric heater strip, has improved the speed of p-nitro benzyl alcohol solution distillation purification.

Further, the stirring mechanism further comprises an inner gear ring and a gear, the inner gear ring is arranged in the middle of the inner cambered surface of the sealing cover, the gears are respectively arranged on the upper sides of the outer cambered surfaces of the stirring rods, and the gears are engaged with teeth of the inner gear ring, so that the stirring rods can drive stirring blades to rotate while rotating.

Further, still include the motor, the motor sets up in the upper end of sealed lid, the lower extreme of motor output shaft and the upper end fixed connection of output rod, the input and the external power supply electricity of motor are connected, can drive the puddler rotation through the output rod.

Further, still include the delivery pump, the delivery pump is located between first mounting bracket and the reation kettle, and the water inlet that the delivery pump left end set up is linked together with the right-hand member of discharging pipe, is linked together through the conveyer pipe between the feed inlet that the delivery pump right-hand member set up and reation kettle left end set up, and the middle part of conveyer pipe has the delivery valve in series, and the input of delivery pump is connected with the output electricity of control switch group, can be with the inside of pouring into reation kettle through the conveyer pipe through filter screen filterable para-nitro benzyl alcohol solution.

Further, the reaction kettle comprises an ear seat, wherein the ear seat is respectively arranged in the middle of the outer cambered surface of the reaction kettle, and the reaction kettle can be moved to a designated working place through the ear seat.

Further, still include the supporting seat, the supporting seat sets up in reation kettle's lower extreme respectively, and the supporting seat can be installed the butt joint with corresponding station to realize the support to reation kettle and internal equipment fixed.

Compared with the prior art, the utility model has the beneficial effects that: the multistage screening and purifying device for the production of the p-nitrobenzyl alcohol has the following advantages:

The inside of pouring the filter vat into to the para-nitro benzyl alcohol solution that produces, carry out preliminary filtration through the filter screen with the impurity in the para-nitro benzyl alcohol solution and eliminate, pile up the lower extreme at the filter vat through the filtered para-nitro benzyl alcohol solution of filter screen, the para-nitro benzyl alcohol solution carries out multistage screening, in the in-process of distilling purification is carried out to the para-nitro benzyl alcohol solution, through the regulation and control of control switch group, the motor starts the operation, the output shaft of motor drives the output pole rotatory, the output pole passes through the rotatory puddler of second mounting bracket drive, the gear revolves around the internal gear ring at this moment, make the puddler can drive stirring vane rotation when pivoted, thereby stir the para-nitro benzyl alcohol solution, increase the area of contact of para-nitro benzyl alcohol solution and electric heater strip, through gear and internal gear ring cooperation setting, in the in-process of distilling purification is carried out to the para-nitro benzyl alcohol solution, can make the puddler can drive stirring vane rotation when rotatory, simple structure just can accomplish through the motor, the storage space who can not reduce reation kettle has increased the contact area between para-nitro benzyl alcohol solution and the electric heater strip, the distilled solution has improved the distilled solution.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view showing the internal structure of the filter vat according to the present utility model;

FIG. 3 is a schematic structural view of the stirring mechanism of the present utility model.

In the figure: 1a first mounting frame, 2a control switch group, 3 a filter vat, 4 a discharging pipe, 5 a reaction kettle, 6 a sealing cover, 7 a stirring mechanism, 71 an output rod, 72 a second mounting frame, 73 a stirring rod, 74 stirring blades, 75 an internal gear ring, 76 gears, 8 a motor, 9 an exhaust pipe, 10a supporting seat, 11 ear seats, 12 a filter screen, 13 a conveying pipe, 14 an electric heating wire and 15 a conveying pump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: a multi-stage screening and purifying device for the production of p-nitrobenzyl alcohol comprises a first mounting frame 1, a reaction kettle 5 and a stirring mechanism 7;

First mounting bracket 1: the filter vat 3 is arranged in the mounting groove formed in the upper end of the filter vat 3, the filter screen 12 is respectively arranged in the filter vat 3, the discharge pipe 4 is arranged in the discharge hole formed in the lower end of the filter vat 3, the discharge valve is connected in series in the middle of the discharge pipe 4, during operation, the produced p-nitrobenzyl alcohol solution is poured into the filter vat 3 for a plurality of times, impurities in the p-nitrobenzyl alcohol solution are primarily filtered and eliminated through the filter screen 12, the p-nitrobenzyl alcohol solution filtered by the filter screen 12 is accumulated at the lower end of the filter vat 3, and a worker periodically butts a slag extraction pipe arranged at the front end of the filter vat 3 with external slag extraction equipment, so that sundries filtered out from the upper end of the filter screen 12 are cleaned;

and (5) a reaction kettle: the opening at the upper end of the reaction kettle is connected with a sealing cover 6 through a fastening bolt, exhaust pipes 9 are arranged in exhaust holes formed in the upper end of the sealing cover 6, an electric heating wire 14 is arranged in a cavity formed in the lower side of the reaction kettle 5, after all the p-nitrobenzyl alcohol solution filtered by a filter screen 12 is injected into the reaction kettle 5, a conveying valve is closed, then the electric heating wire 14 starts to operate through the regulation and control of a control opening device, the p-nitrobenzyl alcohol solution in the reaction kettle 5 is distilled and purified, and gas generated by distillation is discharged through the exhaust pipes 9;

Stirring mechanism 7: the stirring mechanism 7 is arranged in the sealing cover 6, the stirring mechanism 7 is positioned in the reaction kettle 5, the stirring mechanism 7 comprises an output rod 71, a second mounting frame 72, a stirring rod 73 and stirring blades 74, the output rod 71 is rotationally connected in an avoidance groove arranged in the middle of the top wall of the sealing cover 6 through a bearing, the second mounting frame 72 is arranged in the middle of the outer cambered surface of the output rod 71, the stirring rod 73 is rotationally connected in a connecting groove arranged at the lower end of the second mounting frame 72 through the bearing, the stirring blades 74 are arranged on the lower side of the outer cambered surface of the stirring rod 73, the stirring blades 74 are positioned in the reaction kettle 5, the stirring mechanism 7 further comprises an inner gear ring 75 and a gear 76, the inner gear ring 75 is arranged in the middle of the inner cambered surface of the sealing cover 6, the gear 76 is respectively arranged on the upper side of the outer cambered surface of the stirring rod 73, the gear 76 is in meshed connection with teeth of the inner gear ring 75, and in the process of distilling and purifying the p-nitro benzyl alcohol solution, through the regulation and control of the control equipment, the driving equipment starts to operate, the output shaft of the driving equipment drives the output rod 71 to rotate, the output rod 71 drives the stirring rod 73 to rotate through the second mounting frame 72, at the moment, the gear 76 revolves around the inner gear ring 75, so that the stirring rod 73 can drive the stirring blade 74 to rotate while rotating, the p-nitrobenzyl alcohol solution is stirred, the contact area between the p-nitrobenzyl alcohol solution and the electric heating wire 14 is increased, the gear 76 and the inner gear ring 75 are matched, the stirring rod 73 can drive the stirring blade 74 to rotate while rotating in the process of distilling and purifying the p-nitrobenzyl alcohol solution, the structure is simple, the operation can be completed only by one motor, the storage space of the reaction kettle is not reduced, the contact area between the p-nitrobenzyl alcohol solution and the electric heating wire is increased, the distillation and purification speed of the p-nitrobenzyl alcohol solution is improved;

Wherein: still include control switch group 2, control switch group 2 is located the outside of first mounting bracket 1, and control switch group 2's input is connected with external power source electricity, and electric heater strip 14's input is connected with control switch group 2's output electricity, can regulate and control the inside electrical components of equipment.

Wherein: still include motor 8, motor 8 sets up in sealed upper end of lid 6, motor 8 output shaft's lower extreme and output rod 71's upper end fixed connection, motor 8's input and external power source electricity are connected, through the regulation and control of control switch group 2, motor 8 begins the operation, motor 8's output shaft drives output rod 71 rotatory, output rod 71 passes through second mounting bracket 72 and drives puddler 73 rotatory, gear 76 revolves around internal gear ring 75 this moment, make puddler 73 can drive stirring vane 74 rotation when the pivoted, thereby stir the paranitrobenzyl alcohol solution.

Wherein: still include delivery pump 15, delivery pump 15 is located between first mounting bracket 1 and the reation kettle 5, the water inlet that delivery pump 15 left end set up is linked together with the right-hand member of discharging pipe 4, be linked together through conveyer pipe 13 between the delivery port that delivery pump 15 right-hand member set up and the feed inlet that reation kettle 5 left end set up, the middle part of conveyer pipe 13 has the delivery valve in series, the input and the output electricity of control switch group 2 of delivery pump 15 are connected, through filter screen 12 filterable paranitrobenzyl alcohol solution through discharging pipe 4 entering delivery pump 15's inside, afterwards through the regulation and control of control switch group 2, delivery pump 15 begins the operation, delivery pump 15 will be through filter screen 12 filterable paranitrobenzyl alcohol solution through the inside of conveyer pipe 13 injection reation kettle 5.

Wherein: still include ear seat 11, ear seat 11 sets up respectively in the middle part of reation kettle 5 extrados, can remove reation kettle 5 to appointed place of working through ear seat 11.

Wherein: still include supporting seat 10, supporting seat 10 sets up in the lower extreme of reation kettle 5 respectively, and supporting seat 10 is installed with corresponding station and is docked to realize the support fixed to reation kettle 5 and internal equipment.

The utility model provides multistage screening and purifying equipment for production of p-nitrobenzyl alcohol, which has the following working principle: during operation, the produced p-nitrobenzyl alcohol solution is poured into the filter barrel 3, impurities in the p-nitrobenzyl alcohol solution are primarily filtered through the filter screen 12, the p-nitrobenzyl alcohol solution filtered by the multi-layer filter screen 12 is piled up at the lower end of the filter barrel 3, the p-nitrobenzyl alcohol solution is subjected to multi-stage screening, a worker regularly sucks out impurities retained on the filter screen 12 through a slag suction pipe arranged at the front end of the filter barrel 3 by a slag suction pipe of an external slag suction device, so that the impurities filtered out of the upper end of the filter screen 12 are cleaned, then a discharge valve and a conveying valve are opened, the p-nitrobenzyl alcohol solution filtered by the filter screen 12 enters the conveying pump 15 through the discharge pipe 4, then the conveying pump 15 starts to operate under the regulation and control of the control switch group 2, the conveying pump 15 injects the p-nitrobenzyl alcohol solution filtered by the filter screen 12 into the reaction kettle 5 through the conveying pipe 13, after the p-nitrobenzyl alcohol solution filtered by the filter screen 12 is completely injected into the reaction kettle 5, the conveying valve is closed, then the electric heating wire 14 starts to operate by controlling the switch group 2, the p-nitrobenzyl alcohol solution in the reaction kettle 5 is distilled and purified, the gas generated by distillation is discharged through the exhaust pipe 9, in the process of distilling and purifying the p-nitrobenzyl alcohol solution, the motor 8 starts to operate by controlling the switch group 2, the output shaft of the motor 8 drives the output rod 71 to rotate, the output rod 71 drives the stirring rod 73 to rotate through the second mounting frame 72, the gear 76 revolves around the inner gear ring 75 at this time, the stirring rod 73 can drive the stirring blade 74 to rotate while rotating, so that the p-nitrobenzyl alcohol solution is stirred, the contact area of the p-nitrobenzyl alcohol solution and the electric heating wire 14 is increased, the purification speed of the p-nitrobenzyl alcohol solution is improved, when the purification work of the p-nitrobenzyl alcohol solution is finished, the reaction kettle 5 is separated from the sealing cover 6, the stirring rod 73 is taken out, and finally, the p-nitrobenzyl alcohol crystals in the reaction kettle 5 are collected by workers.

It should be noted that, the motor 8 disclosed in the above embodiment may be 5i k200A-AF, the delivery pump 15 may be RP120, and the control switch group 2 is provided with control buttons for controlling the switches of the motor 8, the electric heating wire 14 and the delivery pump 15 in one-to-one correspondence.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. Multistage screening and purifying equipment for production of p-nitrobenzyl alcohol is characterized in that: comprises a first mounting frame (1), a reaction kettle (5) and a stirring mechanism (7);

First mounting bracket (1): a filter vat (3) is arranged in a mounting groove arranged at the upper end of the filter vat, a filter screen (12) is respectively arranged in the filter vat (3), a discharge pipe (4) is arranged in a discharge hole arranged at the lower end of the filter vat (3), and a discharge valve is connected in series with the middle part of the discharge pipe (4);

Reaction kettle (5): the opening part arranged at the upper end of the reaction kettle is connected with a sealing cover (6) through a fastening bolt, exhaust pipes (9) are arranged in exhaust holes arranged at the upper end of the sealing cover (6), and an electric heating wire (14) is arranged in a cavity arranged at the lower side of the reaction kettle (5);

Stirring mechanism (7): the stirring mechanism (7) is arranged in the reaction kettle (5);

Wherein: the electric heating device is characterized by further comprising a control switch group (2), wherein the control switch group (2) is positioned outside the first mounting frame (1), the input end of the control switch group (2) is electrically connected with an external power supply, and the input end of the electric heating wire (14) is electrically connected with the output end of the control switch group (2).

2. A multistage screening purification apparatus for para-nitrobenzyl alcohol production as described in claim 1, wherein: the stirring mechanism (7) comprises an output rod (71), a second mounting frame (72), stirring rods (73) and stirring blades (74), the output rod (71) is rotationally connected in an avoidance groove formed in the middle of the top wall of the sealing cover (6) through a bearing, the second mounting frame (72) is arranged in the middle of the outer cambered surface of the output rod (71), the stirring rods (73) are rotationally connected in the connecting groove formed in the lower end of the second mounting frame (72) through bearings respectively, the stirring blades (74) are arranged on the lower side of the outer cambered surface of the stirring rods (73), and the stirring blades (74) are all located in the reaction kettle (5).

3. A multistage screening purification apparatus for para-nitrobenzyl alcohol production as described in claim 2, wherein: the stirring mechanism (7) further comprises an inner gear ring (75) and a gear (76), the inner gear ring (75) is arranged in the middle of the inner cambered surface of the sealing cover (6), the gears (76) are respectively arranged on the upper side of the outer cambered surface of the stirring rod (73), and the gears (76) are all meshed with teeth of the inner gear ring (75).

4. A multistage screening purification apparatus for para-nitrobenzyl alcohol production as described in claim 2, wherein: the electric motor also comprises a motor (8), the motor (8) is arranged at the upper end of the sealing cover (6), the lower end of the output shaft of the motor (8) is fixedly connected with the upper end of the output rod (71), and the input end of the motor (8) is electrically connected with an external power supply.

5. A multistage screening purification apparatus for para-nitrobenzyl alcohol production as described in claim 1, wherein: still include delivery pump (15), delivery pump (15) are located between first mounting bracket (1) and reation kettle (5), and the water inlet that delivery pump (15) left end set up is linked together with the right-hand member of discharging pipe (4), is linked together through conveyer pipe (13) between the feed inlet that delivery pump (15) right-hand member set up and reation kettle (5) left end set up, and the middle part of conveyer pipe (13) is established ties and is had the delivery valve, and the input and the output electricity of control switch group (2) of delivery pump (15) are connected.

6. A multistage screening purification apparatus for para-nitrobenzyl alcohol production as described in claim 1, wherein: the reaction kettle also comprises an ear seat (11), wherein the ear seat (11) is respectively arranged in the middle of the outer cambered surface of the reaction kettle (5).

7. A multistage screening purification apparatus for para-nitrobenzyl alcohol production as described in claim 1, wherein: the reaction kettle also comprises a supporting seat (10), wherein the supporting seat (10) is respectively arranged at the lower end of the reaction kettle (5).