CN214060378U

CN214060378U - Refining plant is used in production of methyl sulfone benzaldehyde

Info

Publication number: CN214060378U
Application number: CN202023042764.7U
Authority: CN
Inventors: 吕新伟; 王伟; 李超; 佟占鑫
Original assignee: Shandong Changyi Jiayuan Chemical Co ltd
Current assignee: Shandong Changyi Jiayuan Chemical Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-27
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a refining plant is used in production of methyl sulfone benzaldehyde, including preparing the case, prepare the first motor of roof portion center fixedly connected with of department and prepare incasement top and keep away from center department one side symmetry and open and have four first logical grooves, four first logical inslot equal fixedly connected with first swash plate. The utility model discloses in, through setting up preparation case, first motor, first pivot, first heating rod and four first logical grooves, the personnel of being convenient for add methyl mercaptan sodium, phase transfer catalyst and parachlorobenzaldehyde respectively through four logical grooves, first class can guarantee simultaneously that these raw materialss slowly slide along preparation case lateral wall, first pivot of motor drive and first heating rod are rotatory, when guaranteeing the misce bene, first heating rod also can realize heating to solution, guarantees to dissolve fast.

Description

Refining plant is used in production of methyl sulfone benzaldehyde

Technical Field

The utility model relates to a methyl sulfone phenyl field especially relates to a refining plant is used in production of methyl sulfone benzaldehyde.

Background

The p-methylsulfonylbenzaldehyde is a starting material for producing the alum-like mycin, and is an intermediate in the aspects of producing fluorescent whitening agents, dihydropyridine derived anti-angina medicaments, anti-inflammatory and antirheumatic medicaments and the like abroad. At present, the p-methylsulfanyl toluene and bromine are mainly used as raw materials in China, and the target product p-methylsulfanyl benzaldehyde is finally obtained by hydrolyzing a brominated product p-methylsulfanyl dibromotoluene through a bromination reaction.

In the bromination reaction stage, as a byproduct, namely p-methyl alum-based tribromotoluene and p-methyl alum-based toluene which are generated due to uneven dropwise addition of bromine are mixed together to participate in hydrolysis reaction, a target product contains p-methyl alum-based benzoic acid and unreacted p-methyl alum-based toluene, so that the product yield is low and the product purity is low; (2) the hydrolysis reaction needs to be carried out under an acidic condition, so that a large amount of waste water and waste acid are easily generated after the reaction is finished, and the pollution discharge burden of enterprises is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a refining device for producing p-methylsulfonylbenzaldehyde.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a refining device for producing p-methylsulfonylbenzaldehyde comprises a preparation box, wherein a first motor is fixedly connected to the center of the top of the preparation box, four first through grooves are symmetrically formed in one side of the top of the preparation box, which is far away from the center, a first inclined plate is fixedly connected to the four first through grooves, a first rotating shaft which is vertically arranged is rotatably connected to the center of the interior of the preparation box, a first discharging pipe is arranged on one side of the bottom of the outer side wall of the preparation box, a second electromagnetic control valve is arranged in a matched manner with the first discharging pipe, a collecting box is arranged at one end, far away from the preparation box, of the first discharging pipe, the interior of the collecting box is communicated with the interior of the first discharging pipe, a reaction kettle is arranged at the bottom of the collecting box, a second motor is fixedly connected to the center of the top of the reaction kettle, a dropper is fixedly connected to one side, close to the collecting box, of the interior of the reaction kettle, the top of the dropper penetrates through the reaction kettle and the bottom of the collecting box to extend outwards to be communicated with the interior of the collecting box, a second rotating shaft arranged in the vertical direction is rotatably connected to the center in the reaction kettle, a second discharging pipe is fixedly connected to the bottom of one side, away from the collecting box, of the outer side wall of the reaction kettle, and a filter box is fixedly connected to one end, away from the reaction kettle, of the second discharging pipe;

the filter box inner side wall is close to bottom position sliding connection has rectangle frame and rectangle frame inner side wall bottom fixedly connected with filter screen, bottom center department fixedly connected with L type pipe and L type pipe in the filter box keep away from filter box one end and are provided with the liquid reserve tank, liquid reserve tank top fixedly connected with vacuum pump.

As a further description of the above technical solution:

the top pipe surface of the first rotating shaft penetrates through the top in the preparation box and extends outwards to be fixedly connected with the first motor driving end, and a plurality of first heating rods are symmetrically and fixedly connected to the first rotating shaft surface.

As a further description of the above technical solution:

the bottom of one side, away from the first discharging pipe, of the outer side wall of the preparation box is fixedly connected with a discharging pipe, the interior of the discharging pipe is communicated with the interior of the preparation box, the outer side wall of the discharging pipe is fixedly connected with a first electromagnetic control valve, and a thermometer is arranged at a position, close to the bottom, of one side, close to the discharging pipe, of the outer side wall of the preparation box.

As a further description of the above technical solution:

four second through grooves and four second through grooves fixedly connected with second inclined plates are uniformly formed in one side, far away from the dropper, of the top in the reaction kettle.

As a further description of the above technical solution:

the top end face of the second rotating shaft penetrates through the inner top of the reaction kettle and extends outwards to be fixedly connected with the second motor driving end, and a plurality of second heating rods are uniformly and fixedly connected to the shaft face of the second rotating shaft.

As a further description of the above technical solution:

the both ends of the second discharging pipe are communicated with the inside of the reaction kettle and the inside of the filter box, and a third electromagnetic control valve is arranged on the outer side wall of the second discharging pipe in a matched mode.

As a further description of the above technical solution:

and two ends of the L-shaped pipe are communicated with the interior of the filter box and the interior of the liquid storage box.

As a further description of the above technical solution:

a PH value tester and a temperature meter are sequentially arranged at the position, close to the bottom, of one side, close to the second discharging pipe, of the inner side wall of the reaction kettle.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up preparation case, first motor, first pivot, first heating rod and four first logical grooves, the personnel of being convenient for add methyl mercaptan sodium alcoholate respectively through four logical grooves, phase transfer catalyst and p-chlorobenzaldehyde, first class can guarantee these raw materialss along the slow landing of preparation case lateral wall simultaneously, first pivot of motor drive and first heating rod are rotatory, when guaranteeing the misce bene, first heating rod also can realize heating to solution, guarantees to dissolve fast.

2. The utility model discloses a set up reation kettle, the second motor, the second pivot, second heating rod and second lead to the groove, the personnel of being convenient for pass through the hydrogen peroxide solution that the groove added through the second, water, concentrated sulfuric acid and catalyst, the second swash plate can guarantee simultaneously that the concentrated sulfuric acid gets into the solution along reation kettle lateral wall landing, prevent the concentrated sulfuric acid because drop and cause reation kettle internal damage too fast, and the misce bene of inside composition can be guaranteed to second motor and second pivot and second heating rod, the temperature in the reation kettle can be guaranteed to the second heating rod, the white solid of being convenient for is appeared.

Drawings

FIG. 1 is a front sectional view of a refining apparatus for p-methylsulfonylbenzaldehyde according to the present invention;

FIG. 2 is a top view of the preparation tank of FIG. 1;

FIG. 3 is a top view of the reactor of FIG. 1.

Illustration of the drawings:

1. a first motor; 2. a first sloping plate; 3. a first through groove; 4. a first rotating shaft; 5. a first discharging pipe; 6. a collection box; 7. a second motor; 8. a second through groove; 9. a second rotating shaft; 10. a pH value tester; 11. a filter box; 12. a vacuum pump; 13. a liquid storage tank; 14. an L-shaped pipe; 15. a rectangular frame; 16. a second discharge pipe; 17. a temperature meter; 18. a drain pipe; 19. a reaction kettle; 20. a dropper; 21. preparing a box; 22. a second swash plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a refining plant is used in production of methyl sulfone benzaldehyde, including preparation case 21, preparation case 21 top center department fixedly connected with first motor 1 and preparation case 21 interior top keep away from center department one side symmetry and open and have four first logical groove 3, four first logical groove 3 are convenient for personnel to add certain weight's methyl sodium mercaptide in preparation case 21, phase shift catalyst and p-chlorobenzaldehyde, equal first swash plate 2 of fixedly connected with in four first logical groove 3, first swash plate 2 can guarantee that the auxiliary material of interpolation falls into preparation case 21 inside along the inside wall cunning of preparation case 21, prevent because the splash that directly drops and splash flies out from first logical groove 3, center department rotates the first pivot 4 that is connected with vertical direction setting in preparation case 21, preparation case 21 lateral wall bottom one side is provided with first row of material pipe 5 and first row of material pipe 5 supporting is provided with the second solenoid electric valve, first row of material pipe 5 can realize that the yellow oily matter layer that the part of layering produced flows along first row of material pipe 5 in preparation case 21 In advance in collecting box 6, realize the collection of result, first row of material pipe 5 is kept away from preparation case 21 one end and is provided with collecting box 6 and the collecting box 6 is inside to be linked together with first row of material pipe 5, collecting box 6 bottom is provided with reation kettle 19 and reation kettle 19 top center department fixedly connected with second motor 7, top is close to collecting box 6 one side fixedly connected with burette 20 and burette 20 top runs through reation kettle 19 and outside extension of collecting box 6 bottom and is linked together with collecting box 6 is inside in the reation kettle 19, be convenient for yellow oiliness in the collecting box 6 to drip smoothly into reation kettle 19 through burette 20, centre department rotates to be connected with vertical direction setting's second pivot 9 and reation kettle 19 lateral wall and keeps away from collecting box 6 one side bottom fixedly connected with second row of material pipe 16 in reation kettle 19, second row of material pipe 16 keeps away from reation kettle 19 one end fixedly connected with rose box 11, be convenient for solution in the reation kettle 19 and the white solid that precipitates get into rose box 11 through second row of material pipe 16 interior solution of being convenient to get into the interior of rose box 11 Filtering;

the inside wall of the filter box 11 is close to the bottom position and is slidably connected with a rectangular frame 15 and a filter screen fixedly connected with the bottom of the inside wall of the rectangular frame 15, the separation of solid and liquid is convenient to realize through the filter screen, and personnel can realize the collection of white solid through putting the rectangular frame 15 out of the filter box 11, the bottom center department fixedly connected with L type pipe 14 and L type pipe 14 keep away from the filter box 11 one end and are provided with the liquid storage box 13 in the filter box 11, the top fixedly connected with vacuum pump 12 of the liquid storage box 13, be convenient for realize the evacuation of the liquid storage box 13 through the vacuum pump 12, and then realize the rapid filtration of solution through changing the atmospheric pressure in the liquid storage box 13.

The top pipe surface of the first rotating shaft 4 penetrates through the top part in the preparation box 21 and extends outwards to be fixedly connected with the driving end of the first motor 1, the first rotating shaft 4 and the first heating rods are symmetrically and fixedly connected to the shaft surface of the first rotating shaft 4, the first motor 1 is driven to realize the rotation of the first rotating shaft 4 and the first heating rods, the stirring of the solution in the preparation box 21 is further realized, meanwhile, the solution in the preparation box 21 is heated through the first heating rods, the rapid dissolution of the solute in the solution can be realized, the temperature maintenance in the preparation box 21 can be realized through the first heating rods, the layering of the solution is further realized, the bottom of the outer side wall of the preparation box 21, which is far away from the first discharging pipe 5, is fixedly connected with the discharging pipe 18, the inside of the discharging pipe 18 is communicated with the inside of the preparation box 21, the outer side wall of the discharging pipe 18 is fixedly connected with a first electromagnetic control valve, and the discharging of the water layer which is completed in the preparation box 21 in a layering manner can be realized through the discharging pipe 18, the outer side wall of the preparation box 21 is provided with a thermometer near the bottom at the side near the water discharge pipe 18, the thermometer can facilitate the observation of the temperature in the preparation box 21 by personnel and facilitate the timely adjustment of personnel, one side of the top in the reaction kettle 19 far from the dropper 20 is uniformly provided with four second through grooves 8, the four second through grooves 8 are fixedly connected with second inclined plates 22, the second through grooves 8 facilitate the addition of hydrogen peroxide, water, concentrated sulfuric acid and catalysts by personnel, the top end surface of the second rotating shaft 9 penetrates through the inner top of the reaction kettle 19 to extend outwards to be fixedly connected with the driving end of the second motor 7, the axial surface of the second rotating shaft 9 is uniformly and fixedly connected with a plurality of second heating rods, the second rotating shaft 9 is driven by the second motor 7 to drive the second heating rods to rotate, the solution in the reaction kettle 19 is rapidly mixed, and the second heating rods can ensure the temperature in the reaction kettle 19, thereby ensuring the smooth precipitation of white solid, the second is arranged material 16 both ends and reation kettle 19 and rose box 11 inside and is linked together and the supporting third solenoid electric valve that is provided with of second row material 16 lateral wall, be convenient for arrange the solution in the material 16 reation kettle 19 through the second and realize filtering in getting into rose box 11 smoothly with the white solid of appearing, L type pipe 14 both ends are linked together with rose box 11 and liquid reserve tank 13 inside, reation kettle 19 inside wall is close to second row material 16 one side and is close to the bottom position and has set gradually PH value tester 10 and temperature gauge 17, PH value tester 10 is convenient for personnel and observes when adding the sodium hydroxide aqueous solution and adjust pH value, prevent because it leads to the PH value too big or undersize to add too much, temperature gauge 17 is convenient for personnel and is carrying out the monitoring of temperature when reation kettle 19 keeps warm, so that personnel pass through the timely temperature in the adjustment reation kettle 19 of second heating rod.

The working principle is as follows: firstly, a person smoothly adds sodium methyl mercaptide, a phase transfer catalyst and p-chlorobenzaldehyde into a preparation box 21 through a first through groove 3, a first motor 1 drives a first rotating shaft 4 and a first heating rod to rotate, solute is quickly dissolved and mixed through the heating and rotating stirring effects of the first heating rod, the solution in the preparation box 21 is heated to 60-65 ℃ by the first heating rod and is kept warm for 6 hours, the temperature is reduced to 20-30 ℃ and is kept static for 1 hour for layering, a lower yellow oily substance layer, a water layer and an intermediate yield are obtained, then a yellow organic layer is transferred into a collection box 6 through a first discharge pipe 5 for standby, then a plurality of second through grooves 8 are added with hydrogen peroxide, water, concentrated sulfuric acid and a catalyst, a second motor 7 drives a second rotating shaft 9 and a second heating rod to rotate to realize uniform mixing, the temperature in a reaction kettle 19 is kept to be 40-45 ℃ through the second heating rod, substances in the intermediate collection box 6 are slowly dripped for about 1 hour through a burette 20, the dropwise add in-process becomes muddy earlier, when dropwise add to about 1/2, a large amount of white solid is appeared, after the dropwise add finishes, raise the temperature to 60 ℃ in the reation kettle 19 through the second heating rod and keep warm for 5h, then cool down to 15 ~ 2o ℃, adjust the solution in the reation kettle 19 with 10% sodium hydroxide aqueous solution until pH value is 9, after the completion, arrange material pipe 16 through the second and realize that the solution gets into in the rose box 11, vacuum pump 12 realizes the quick separation of solid-liquid through the evacuation, after the separation was accomplished, personnel can realize the collection of white solid through carrying out the rose box 11 with rectangular frame 15.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A refining plant is used in production of methyl sulfone benzaldehyde, includes preparation case (21), its characterized in that: a first motor (1) is fixedly connected to the center of the top of the preparation box (21), four first through grooves (3) are symmetrically formed in one side of the top of the preparation box (21), which is far away from the center, four first inclined plates (2) are fixedly connected to the four first through grooves (3), a first rotating shaft (4) which is vertically arranged is rotatably connected to the center of the inner side of the preparation box (21), a first discharging pipe (5) is arranged on one side of the bottom of the outer side wall of the preparation box (21), a second electromagnetic control valve is arranged in a matched manner with the first discharging pipe (5), a collecting box (6) is arranged at one end of the first discharging pipe (5), which is far away from the preparation box (21), the interior of the collecting box (6) is communicated with the interior of the first discharging pipe (5), a reaction kettle (19) is arranged at the bottom of the collecting box (6), and a second motor (7) is fixedly connected to the center of the top of the reaction kettle (19), a dropper (20) is fixedly connected to one side, close to the collecting box (6), of the top in the reaction kettle (19), the top of the dropper (20) penetrates through the reaction kettle (19) and the bottom of the collecting box (6) to extend outwards to be communicated with the interior of the collecting box (6), a second rotating shaft (9) arranged in the vertical direction is rotatably connected to the center in the reaction kettle (19), a second discharging pipe (16) is fixedly connected to the bottom of one side, far away from the collecting box (6), of the outer side wall of the reaction kettle (19), and a filter box (11) is fixedly connected to one end, far away from the reaction kettle (19), of the second discharging pipe (16);

the filter box is characterized in that the inner side wall of the filter box (11) is close to the bottom and is slidably connected with a rectangular frame (15) and a filter screen fixedly connected with the bottom of the inner side wall of the rectangular frame (15), one end, far away from the filter box (11), of an L-shaped pipe (14) and the L-shaped pipe (14) at the center of the bottom in the filter box (11) is provided with a liquid storage box (13), and the top of the liquid storage box (13) is fixedly connected with a vacuum pump (12).

2. The refining apparatus for p-methylsulfonylbenzaldehyde according to claim 1, wherein: the top pipe surface of the first rotating shaft (4) penetrates through the inner top of the preparation box (21) and extends outwards to be fixedly connected with the driving end of the first motor (1) and a plurality of first heating rods are symmetrically and fixedly connected to the axial surface of the first rotating shaft (4).

3. The refining apparatus for p-methylsulfonylbenzaldehyde according to claim 1, wherein: the bottom of one side, far away from the first discharging pipe (5), of the outer side wall of the preparation box (21) is fixedly connected with a discharging pipe (18), the interior of the discharging pipe (18) is communicated with the interior of the preparation box (21), the outer side wall of the discharging pipe (18) is fixedly connected with a first electromagnetic control valve, and a thermometer is arranged at a position, close to the bottom, of one side, close to the discharging pipe (18), of the outer side wall of the preparation box (21).

4. The refining apparatus for p-methylsulfonylbenzaldehyde according to claim 1, wherein: four second through grooves (8) and four second through grooves (8) are uniformly formed in one side, away from the dropper (20), of the top of the reaction kettle (19) and second inclined plates (22) are fixedly connected in the four second through grooves (8).

5. The refining apparatus for p-methylsulfonylbenzaldehyde according to claim 1, wherein: the top end face of the second rotating shaft (9) penetrates through the inner top of the reaction kettle (19) and extends outwards to be fixedly connected with the driving end of the second motor (7) and a plurality of second heating rods uniformly and fixedly connected to the axial surface of the second rotating shaft (9).

6. The refining apparatus for p-methylsulfonylbenzaldehyde according to claim 1, wherein: two ends of the second discharging pipe (16) are communicated with the inside of the reaction kettle (19) and the inside of the filter box (11), and the outer side wall of the second discharging pipe (16) is provided with a third electromagnetic control valve in a matching way.

7. The refining apparatus for p-methylsulfonylbenzaldehyde according to claim 1, wherein: and two ends of the L-shaped pipe (14) are communicated with the interior of the filter tank (11) and the interior of the liquid storage tank (13).

8. The refining apparatus for p-methylsulfonylbenzaldehyde according to claim 1, wherein: a PH value tester (10) and a temperature meter (17) are sequentially arranged at the position, close to the bottom, of one side, close to the second discharging pipe (16), of the inner side wall of the reaction kettle (19).