Methyl formylbenzoate purification device

Abstract

The utility model relates to the technical field of purification devices, in particular to a methyl formylbenzoate purification device which comprises a stirring bin, a filtering bin, a drying bin and a base, two liquid storage cylinders are arranged on the stirring bin, observation windows and scale marks are arranged on the liquid storage cylinders, the bottoms of the liquid storage cylinders are communicated with the top of the stirring bin, valves are arranged on the lower portions of the liquid storage cylinders, and the drying bin is arranged on the base. A first motor is arranged on the stirring bin, a first stirring rotating shaft is arranged at the output end of the first motor, a plurality of first stirring rods are arranged on the first stirring rotating shaft, the bottom of the stirring bin communicates with the filtering bin through a first conveying channel, an electromagnetic valve is arranged in the first conveying channel, and an electric heating plate is arranged on the stirring bin; the device can realize the purification steps of stirring, dissolving, filtering, drying and the like, does not need workers to transfer materials, and is high in purification efficiency; and the filter plate can be quickly replaced through the limiting mechanism, so that the purification effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to purification device technical field especially relates to a kind of methyl formyl benzoate purification device. BACKGROUND

[0002] Methyl formyl benzoate is a kind of aromatic ester compound, its molecular formula is C9H8O3, molecular weight is 164.16, white powder state.Methyl formyl benzoate can participate in esterification reaction, formylation reaction and other series of organic synthesis reaction due to containing ester group and formyl group.In organic synthesis, it can be used as an important acylation reagent, and alcohol is reacted to generate corresponding esterification product.In addition, it can also be used for formylation reaction, and substrate under alkaline condition is reacted to form corresponding formate.

[0003] The existing purification device cannot realize the purification of methyl formyl benzoate in one step, and the staff needs to transfer the crude methyl formyl benzoate during the purification process, and the filter plate is often difficult to replace and clean during filtration, which affects the purification effect with the increase of use time. UTILITY MODEL CONTENT

[0004] To solve the defects existing in prior art, the utility model provides a kind of methyl formyl benzoate purification device.

[0005] The technical scheme adopted by the utility model is: a kind of methyl formyl benzoate purification device, including stirring bin, filter bin, drying bin and base, two liquid storage cylinders are provided on the stirring bin, observation window and scale line are provided on the liquid storage cylinder, the bottom of the liquid storage cylinder and the top of the stirring bin are communicated, valve is provided in the lower part of the liquid storage cylinder, motor one is provided on the stirring bin, motor one output end is provided with stirring shaft one, a plurality of stirring rods one are provided on the stirring shaft one, the bottom of the stirring bin is communicated with filter bin by conveying channel one, electromagnetic valve is provided in the conveying channel one, electric heating plate is provided on the stirring bin.

[0006] Further improvement to the above scheme is that filter plate is provided in the filter bin, limiting mechanism is provided on the filter bin, the filter plate is fixed in the filter bin by limiting mechanism, air cylinder is provided on the filter bin, push plate is provided at the output end of the air cylinder, the bottom of the push plate is in close contact with the filter plate, waste water bin is provided below the base, the bottom of the filter bin is communicated with waste water bin by conveying channel two, vacuum pump is provided on the base, the vacuum pump is communicated with conveying channel two by suction pipe.

[0007] Further improvement of the above scheme is that the drying bin is communicated with the filtering bin, a second motor is arranged on the drying bin, a stirring shaft two is arranged on the output end of the second motor, a plurality of stirring rods two are arranged on the stirring shaft two, a plurality of evenly distributed electric heating pipes are arranged in the drying bin, a discharge port is arranged at the bottom of the drying bin, and a valve is arranged on the discharge port.

[0008] Further improvement of the above scheme is that a water tank is arranged above the drying bin, a water inlet is arranged on the water tank, a water delivery pipe is arranged on the water tank, a plurality of evenly distributed spray heads are arranged on the inner top of the filtering bin, and the spray heads are communicated with the water delivery pipe.

[0009] Further improvement of the above scheme is that the limiting mechanism comprises a pair of and symmetrically distributed limiting blocks and two limiting rods, the limiting rods are respectively arranged on the corresponding limiting blocks, the top ends of the limiting rods are provided with fixing blocks, the fixing blocks are provided with rotating rods, a groove is arranged on the filtering bin, and the groove is matched with the fixing blocks.

[0010] Further improvement of the above scheme is that the liquid storage barrels are provided with liquid inlet funnels, and the stirring bin is provided with a feeding funnel.

[0011] Further improvement of the above scheme is that the wastewater bin is provided with a water outlet pipe.

[0012] Further improvement of the above scheme is that the two supporting columns are arranged at the bottom of the left side of the base and are flush with the bottom of the wastewater bin.

[0013] Compared with the prior art, the device has the advantages that:

[0014] In the first aspect, the device can realize the purification steps of stirring and dissolving, filtering and drying, and the staff does not need to transfer the materials, and the purification efficiency is high.

[0015] In the second aspect, the limiting mechanism can quickly replace the filter plate, and the purification effect is ensured.

[0016] In the third aspect, the stirring rods two are arranged in the drying bin, the methyl formylbenzoate is continuously stirred during the drying process, and the drying efficiency is improved.

[0017] In the fourth aspect, the volume of the solution added into the stirring bin can be controlled through the observation window and the scale line, and the influence of too much or too little solution on the purification effect is avoided. DETAILED DESCRIPTION

[0018] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0019] Figure 1 It is a structure schematic view of the utility model;

[0020] Figure 2 It is a front view of the utility model;

[0021] Figure 3 It is Figure 2 It is a structure enlarged schematic view of A part in the middle;

[0022] Figure 4 It is a structure schematic view of inside of stirring bin, filtering bin and drying bin;

[0023] Figure 5 It is Figure 4 It is a structure enlarged schematic view of B part in the middle;

[0024] Figure 6 It is a structure schematic view of limiting mechanism;

[0025] Figure 7 It is a structure schematic view of electric heating tube in drying bin.

[0026] In the figure: 1. stirring bin; 2. filtering bin; 3. drying bin; 4. base; 5. liquid storage cylinder; 6. observation window; 7. scale; 8. motor one; 9. stirring shaft one; 10. stirring rod one; 11. conveying channel one; 12. electromagnetic valve; 13. electric heating plate; 14. filter plate; 15. limiting mechanism; 151. limiting block; 152. limiting rod; 153. fixed block; 154. rotating rod; 155. groove; 16. air cylinder; 17. push plate; 18. waste water bin; 19. conveying channel two; 20. vacuum pump; 21. air suction pipe; 22. motor two; 23. stirring shaft two; 24. stirring rod two; 25. electric heating tube 11; 26. discharge port; 27. water tank; 28. water inlet; 29. water delivery pipe; 30. spray head; 31. liquid inlet funnel; 32. feed funnel; 33. water outlet pipe; 34. support column. DETAILED DESCRIPTION

[0027] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described here are only used for illustrating and explaining the utility model, and are not used for limiting the utility model.

[0028] The utility model provides a kind of methyl formylbenzoate purification device, including stirring bin 1, filter bin 2, drying bin 3 and base 4, two liquid storage cylinders 5 are provided on the stirring bin 1, the liquid storage cylinder 5 is provided with observation window 6 and scale line 7, the bottom of the liquid storage cylinder 5 and the top of stirring bin 1 are communicated, the lower part of the liquid storage cylinder 5 is provided with valve, the stirring bin 1 is provided with motor one 8, the output of motor one 8 is provided with stirring shaft one 9, the stirring shaft one 9 is provided with a plurality of stirring rod one 10, the bottom of the stirring bin 1 is communicated with filter bin 2 by conveying channel one 11, the conveying channel one 11 is provided with solenoid valve 12, the stirring bin 1 is provided with electric heating plate 13.Two liquid storage cylinders 5 are respectively filled with sodium bicarbonate solution, 80% methanol solution, 80% methanol solution is added in stirring bin 1, and crude methyl formylbenzoate is added into stirring bin 1, after heating to be dissolved, sodium bicarbonate solution is slowly added, and motor one 8 is started to make stirring rod one 10 continuously stir solution, after stirring for a period of time, solenoid valve 12 in conveying channel one 11 is opened, and solution is made into filter bin 2.

[0029] Wherein, the filter bin 2 is provided with filter plate 14, the filter bin 2 is provided with limiting mechanism 15, the filter plate 14 is fixed in the filter bin 2 by limiting mechanism 15, the filter bin 2 is provided with air cylinder 16, the output of air cylinder 16 is provided with push plate 17, the bottom of push plate 17 is close to filter plate 14, the bottom of base 4 is provided with waste water bin 18, the bottom of filter bin 2 is communicated with waste water bin 18 by conveying channel two 19, the base 4 is provided with vacuum pump 20, the vacuum pump 20 is communicated with conveying channel two 19 by suction pipe 21.Vacuum pump 20 is started to carry out vacuum filtration to material liquid, filter cake is formed on filter plate 14, and push plate 17 is provided to move filter cake to drying bin 3.

[0030] Wherein, the drying bin 3 is communicated with filter bin 2, the drying bin 3 is provided with motor two 22, the output of motor two 22 is provided with stirring shaft two 23, the stirring shaft two 23 is provided with a plurality of stirring rod two 24, the drying bin 3 is provided with a plurality of evenly distributed electric heating tubes 25, the bottom of drying bin 3 is provided with discharge port 26, and the discharge port 26 is provided with valve.Drying bin 3 can dry filter cake, and stirring rod two 24 is provided to speed up the drying speed.

[0031] Wherein, the drying bin 3 is provided with water tank 27, the water tank 27 is provided with water inlet 28, the water tank 27 is provided with water delivery pipe 29, the inside top of filter bin 2 is provided with a plurality of evenly distributed spray heads 30, and the spray head 30 is communicated with water delivery pipe 29.Filter cake is washed to neutral by spray head 30.

[0032] The limiting mechanism 15 comprises a pair of symmetrically distributed limiting blocks 151 and two limiting rods 152, the limiting rods 152 are respectively arranged on the corresponding limiting blocks 151, the top end of the limiting rods 152 is provided with a fixed block 153, the fixed block 153 is provided with a rotating rod 154, the filter bin 2 is provided with a groove 155, and the groove 155 is matched with the fixed block 153. The limiting rod 152 is arranged on the limiting block 151, is fixed through the fixed block 153, so that the limiting rod 152 is fixed against the filter plate 14; when the filter plate 14 needs to be taken out, the limiting rod 152 is lifted through the rotating rod 154 and the fixed block 153 is fixed in the groove 155, so that the filter plate 14 can be taken out.

[0033] The liquid inlet funnel 31 is arranged on the liquid storage cylinder 5, and the feed inlet funnel 32 is arranged above the stirring bin 1. The liquid inlet funnel 31 facilitates workers to add solution into the liquid storage cylinder 5, and the feed inlet funnel 32 facilitates workers to add crude methyl formylbenzoate into the stirring bin 1.

[0034] The wastewater bin 18 is provided with a water outlet pipe 33.

[0035] The bottom of the left side of the base 4 is provided with two supporting columns 34, and the bottom of the supporting column 34 is flush with the bottom of the wastewater bin 18.

[0036] Working principle:

[0037] In use, two liquid storage cylinders 5 are filled with sodium bicarbonate solution and 80% methanol solution respectively, 80% methanol solution is added to the stirring bin 1, and the crude methyl formyl benzoate is added to the stirring bin 1, the volume of the solution added to the stirring bin 1 can be controlled through the observation window 6 and the scale line 7 on the liquid storage cylinder 5, the electric heating plate 13 is used for heating until the material is completely dissolved, then the sodium bicarbonate solution is slowly added, and the motor 8 is started to make the stirring rod 10 continuously stir the solution, after a period of stirring, the electromagnetic valve 12 in the conveying channel 11 is opened, so that the solution enters the filter bin 2, then the electromagnetic valve 12 is closed, the vacuum pump 20 is started to perform vacuum filtration on the liquid, the filter cake is formed on the filter plate 14, the filter cake is washed to neutral by the nozzle 30, the waste water after filtration is collected into the waste water bin 18 through the conveying channel 2 19, then the cylinder 16 is started to push the plate 17 to send the filter cake into the drying bin 3, the motor 2 2 is started, the stirring rod 2 4 continuously stirs the filter cake, and the electric heating tube 25 heats the inside of the drying bin 3 to improve the drying efficiency, high-purity methyl formyl benzoate is obtained after drying, and is collected through the discharge port 26.

[0038] In the description of the present application, it should be pointed out that, unless otherwise stated, the meaning of "a plurality of" is two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0039] Although the content of the present application has been described in detail through the above preferred embodiments, it should be recognized that the above description should not be considered as a limitation on the present application. After reading the above content, various modifications and alternatives of the present application will be obvious to those skilled in the art. Therefore, the protection scope of the present application should be defined by the appended claims.

Claims

1. A device for purifying methyl formylbenzoate, comprising a stirring bin (1), a filtering bin (2), a drying bin (3) and a base (4), characterized in that: Two liquid storage cylinders (5) are arranged on the stirring bin (1), and an observation window (6) and a scale line (7) are arranged on each of the liquid storage cylinders (5); the bottom of the liquid storage cylinder (5) is communicated with the top of the stirring bin (1); a valve is arranged at the lower part of the liquid storage cylinder (5); a motor (8) is arranged on the stirring bin (1); a stirring shaft (9) is arranged at the output end of the motor (8); a plurality of stirring rods (10) are arranged on the stirring shaft (9); the bottom of the stirring bin (1) is communicated with the filtering bin (2) through a conveying channel (11); an electromagnetic valve (12) is arranged in the conveying channel (11); and an electric heating plate (13) is arranged on the stirring bin (1).

2. A device for purifying methyl formylbenzoate according to claim 1, characterized in that: A filter plate (14) is arranged in the filtering bin (2); a limiting mechanism (15) is arranged on the filtering bin (2); the filter plate (14) is fixed in the filtering bin (2) through the limiting mechanism (15); a pneumatic cylinder (16) is arranged on the filtering bin (2); a push plate (17) is arranged at the output end of the pneumatic cylinder (16); the bottom of the push plate (17) is tightly attached to the filter plate (14); a waste water bin (18) is arranged below the base (4); the bottom of the filtering bin (2) is communicated with the waste water bin (18) through a conveying channel (19); a vacuum pump (20) is arranged on the base (4); and the vacuum pump (20) is communicated with the conveying channel (19) through a suction pipe (21).

3. A device for purifying methyl formylbenzoate according to claim 1, characterized in that: The drying bin (3) is communicated with the filtering bin (2); a motor (22) is arranged on the drying bin (3); a stirring shaft (23) is arranged at the output end of the motor (22); a plurality of stirring rods (24) are arranged on the stirring shaft (23); a plurality of electric heating pipes (25) are arranged in the drying bin (3) in a uniform distribution manner; a discharge port (26) is arranged at the bottom of the drying bin (3); and a valve is arranged on the discharge port (26).

4. The formyl benzoic acid methyl ester purification apparatus according to claim 1, characterized by: A water tank (27) is arranged above the drying bin (3); a water inlet (28) is arranged on the water tank (27); a water conveying pipe (29) is arranged on the water tank (27); a plurality of spray heads (30) are arranged on the inner top of the filtering bin (2) in a uniform distribution manner; and the spray heads (30) are communicated with the water conveying pipe (29).

5. A device for purifying methyl formylbenzoate according to claim 2, characterized in that: The limiting mechanism (15) comprises a pair of symmetrically distributed limiting blocks (151) and two limiting rods (152); the limiting rods (152) are respectively arranged on the corresponding limiting blocks (151); the top ends of the limiting rods (152) are provided with fixing blocks (153); the fixing blocks (153) are provided with rotating rods (154); the filtering bin (2) is provided with grooves (155); and the grooves (155) are matched with the fixing blocks (153).

6. A device for purifying methyl formylbenzoate according to claim 1, characterized in that: The liquid storage cylinders (5) are provided with liquid inlet hoppers (31); and the stirring bin (1) is provided with a material inlet hopper (32) above.

7. A device for purifying methyl formylbenzoate according to claim 2, characterized in that: A water outlet pipe (33) is arranged on the waste water bin (18).

8. A device for purifying methyl formylbenzoate according to claim 1, characterized in that: Two supporting columns (34) are arranged at the bottom of the left side of the base (4); and the bottom of the supporting column (34) is flush with the bottom of the waste water bin (18).

Images