CN210543495U

CN210543495U - Ethyl maltol extraction device

Info

Publication number: CN210543495U
Application number: CN201921444513.6U
Authority: CN
Inventors: 张晓峰; 李金合; 官伟; 杨朝辉; 王军
Original assignee: Hebei Tian Li Hai Flavor And Fragrance Co Ltd
Current assignee: Hebei Tian Li Hai Flavor And Fragrance Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-05-19
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses an ethyl maltol extraction device, which comprises a device body, wherein one side of the top edge part of the device body is provided with a vent pipe, one end of the vent pipe is connected with a return pipe through a flange plate, one side of the top part of the return pipe is welded with a vent pipe, one side of the top part of the vent pipe is provided with a stop valve, one end of the vent pipe is connected with a water tank, the middle part of the top end of the device body is provided with a stepping motor, the input end of the stepping motor is electrically connected with the output end of a mains supply, the utility model has scientific and reasonable structure and safe and convenient use, and is provided with the vent pipe, the return pipe, the stop valve and the water tank, thereby being convenient for workers to collect methanol gas through the vent pipe, the vent, the operation of staff is convenient, and the work difficulty of the staff is reduced.

Description

Ethyl maltol extraction device

Technical Field

The utility model relates to an extraction technical field specifically is an ethyl maltol extraction device.

Background

A laboratory process for extracting ethyl maltol comprises the steps of adding a methanol aqueous solution (volume ratio is 2:3) into a four-mouth bottle provided with a stirrer, a thermometer, a dropping funnel and a vent pipe, cooling to below-5 ℃, dropwise adding a methanol mixed solution of alpha-furylpropanol by using the dropping funnel, simultaneously starting introducing chlorine gas into the bottle, keeping the reaction temperature below 10 ℃, evaporating the methanol in the reaction mixture after the reaction is finished, heating and refluxing for 3 hours at 90-95 ℃, filtering while the solution is hot to obtain a hydrolysate, cooling the filtrate, adjusting the pH of the filtrate to 2.2 by using 50% sodium hydroxide, cooling for 0.5 hour at 5 ℃, filtering to obtain a crude product 1, extracting the filtrate by using chloroform, recovering the chloroform in an extraction phase to obtain a crude product 2, adjusting the pH of a raffinate phase by using sodium hydroxide, discharging, combining the crude products 1 and 2, recrystallizing and drying by using absolute ethyl alcohol to obtain white needle-shaped ethyl maltol crystals, the yield is about 30 percent;

the existing ethyl maltol extraction device cannot effectively collect methanol gas in reaction in the actual use process, and the methanol gas released into the air can pollute the periphery of the device.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ethyl maltol extraction device can effectively solve the current ethyl maltol extraction device that proposes in the above-mentioned background art, and in the in-service use in-process, can not effectively collect the methyl alcohol gas in the reaction, and release the methyl alcohol gas in the air, can cause the problem of pollution to the device periphery.

In order to achieve the above object, the utility model provides a following technical scheme: an ethyl maltol extraction device comprises a device body, wherein a vent pipe is arranged on one side of the edge part of the top end of the device body, one end of the vent pipe is connected with a return pipe through a flange plate, an exhaust pipe is welded on one side of the top of the return pipe, a stop valve is arranged on one side of the top of the exhaust pipe, and one end of the exhaust pipe is connected with a water tank;

the device body top mid-mounting has step motor, step motor's input and the output electric connection of commercial power, step motor output shaft one end is connected with the pivot, the welding of pivot top has first cross bar, arc rotor has all been welded to first cross bar bottom four limit portions, the welding of arc rotor bottom has the second cross bar.

Preferably, a first feeding pipe is installed to device body top limit portion opposite side, device body top limit portion opposite side is close to first feeding pipe surface limit portion one side position and installs the thermometer.

Preferably, a water inlet pipe is arranged at the top of one end of the water tank, and a water outlet pipe is arranged at the bottom of one end of the water tank.

Preferably, the stepping motor and the rotating shaft are connected by a coupling.

Preferably, the device body bottom middle part has been seted up the cavity of unloading, the cavity bottom of unloading is connected with the filter cartridge, the positive top of filter cartridge has been seted up and has been collected the cavity, it has all seted up the spout to collect cavity inner wall limit portion both sides, the inside collection frame of having placed of spout, the welding of collection frame top middle part has the stainless steel filter, row's material pipe is installed to filter cartridge one end bottom.

Preferably, a second feeding pipe is installed at the top of one end of the filtering box, a sodium hydroxide solution is left in the second feeding pipe, a third feeding pipe is installed at the top of the other end of the filtering box, and chloroform flows in the third feeding pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with breather pipe, back flow, blast pipe, stop valve and water tank, through breather pipe, blast pipe, back flow and water tank, the staff of being convenient for is favorable to reducing staff's the collection degree of difficulty to methyl alcohol gas's collection, and through the stop valve, can be so that to mix liquid steam and flow back in the back flow pipe, and the staff's of being convenient for operation is favorable to reducing staff's the work degree of difficulty.

2. Be provided with step motor, pivot, first cross pole, arc revolving fragment and second cross pole, can make mixed liquid stirring more abundant, make the abundant evaporation of methyl alcohol in the mixed liquid.

3. Be provided with filter cartridge, first inlet pipe, collection cavity, collection frame and spout, through spout and collection frame, can reduce the collection degree of difficulty of crude product.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the device body of the present invention;

FIG. 3 is a schematic view of the installation structure of the arc-shaped rotating plate of the present invention;

FIG. 4 is a schematic view of the structure of the chute of the present invention;

fig. 5 is a cross-sectional view of the filter cassette of the present invention;

reference numbers in the figures: 1. a device body; 2. a breather pipe; 3. a return pipe; 4. an exhaust pipe; 5. a stop valve; 6. a water tank; 7. a stepping motor; 8. a rotating shaft; 9. a first cross bar; 10. arc-shaped rotating sheets; 11. a second cross bar; 12. a discharge chamber; 13. a filter cartridge; 14. a second feed tube; 15. a discharge pipe; 16. a third feed pipe; 17. a chute; 18. a stainless steel filter plate; 19. a thermometer; 20. a first feed tube; 21. a collection chamber; 22. and (5) collecting the frame.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-5, the utility model provides a technical scheme, an ethyl maltol extraction device, including device body 1, device body 1 top edge portion one side is installed breather pipe 2, device body 1 top edge portion opposite side is installed first inlet pipe 20, the feeding degree of difficulty has been reduced, be convenient for staff's construction, device body 1 top edge portion opposite side is close to first inlet pipe 20 surface edge portion one side department and is installed thermometer 19, be convenient for the staff to watch the mixture temperature, breather pipe 2 one end is connected with back flow 3 through the ring flange, back flow 3 top one side welding has blast pipe 4, blast pipe 4 top one side is installed stop valve 5, blast pipe 4 one end is connected with water tank 6, water tank 6 one end top is provided with the inlet tube, water tank 6 one end bottom is provided with the outlet pipe, be convenient for the change;

the device is characterized in that a stepping motor 7 is installed in the middle of the top end of the device body 1, the model of the stepping motor 7 is Y-130M, the input end of the stepping motor 7 is electrically connected with the output end of a mains supply, one end of the output shaft of the stepping motor 7 is connected with a rotating shaft 8, a first cross rod 9 is welded at the top of the rotating shaft 8, arc-shaped rotating pieces 10 are welded on four side portions of the bottom end of the first cross rod 9, a second cross rod 11 is welded at the bottom end of each arc-shaped rotating piece 10, the stepping motor 7 and the rotating shaft 8 are connected through.

Discharge chamber 12 has been seted up at 1 bottom middle part of device body, discharge chamber 12 bottom is connected with filter cartridge 13, filter cartridge 13 has openly been seted up at the top and has been collected cavity 21, spout 17 has all been seted up to collection cavity 21 inner wall limit portion both sides, spout 17 has placed inside and has collected frame 22, it has stainless steel filter 18 to collect frame 22 top middle part welding, second inlet pipe 14 is installed at filter cartridge 13 one end top, the sodium hydroxide solution is left in the second inlet pipe 14, third inlet pipe 16 is installed at filter cartridge 13 other end top, third inlet pipe 16 internal flow has the chloroform, through second inlet pipe 14 and third inlet pipe 16, can reduce the degree of difficulty that sodium hydroxide solution and chloroform got into filter cartridge 13, be convenient for to the neutralization of the mixed liquid in the filter cartridge 13.

The utility model discloses a theory of operation and use flow: in the practical use process of the ethyl maltol extraction device, a worker connects the stepping motor 7 to an external power supply to enable the stepping motor 7 to work, the stepping motor 7 works to drive the rotating shaft 8 to rotate, the rotating shaft 8 rotates to drive the first cross rod 9 and the second cross rod 11 to rotate, the first cross rod 9 and the second cross rod 11 rotate to drive the arc-shaped rotating piece 10 to rotate, and the mixed liquid can be stirred more fully through the arc-shaped rotating piece 10 to enable methanol in the mixed liquid to be fully evaporated;

the evaporated methanol gas enters the return pipe 3 through the vent pipe 2, the methanol gas entering the return pipe 3 enters the water tank 6 through the vent pipe 4, the methanol gas entering the water tank 6 is dissolved in the purified water in the water tank 6, so that the collection of the methanol gas by workers is facilitated, and the collection difficulty of the workers is reduced;

after the reaction, the staff opens the cavity 12 valve of unloading, make mixed liquid enter into filter box 13, under the effect of gravity, mixed liquid contacts stainless steel filter 18, the coarse product in the mixed liquid is blocked by stainless steel filter 18, the staff's of being convenient for collection, and through spout 17 and collection frame 22, can reduce the collection degree of difficulty of coarse product one, later inject the chloroform into filter box 13 through third inlet pipe 16, extract mixed liquid, obtain coarse product two, later through the second inlet pipe 14 toward filter box 13 in inject the sodium hydroxide solution, carry out the neutralization to mixed liquid, prevent mixed liquid pollution devices all ring edge border.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an ethyl maltol extraction device, includes device body (1), its characterized in that: the device is characterized in that a vent pipe (2) is installed on one side of the edge portion of the top end of the device body (1), one end of the vent pipe (2) is connected with a return pipe (3) through a flange plate, an exhaust pipe (4) is welded on one side of the top of the return pipe (3), a stop valve (5) is installed on one side of the top of the exhaust pipe (4), and one end of the exhaust pipe (4) is connected with a water tank;

device body (1) top mid-mounting has step motor (7), the input of step motor (7) and the output electric connection of commercial power, step motor (7) output shaft one end is connected with pivot (8), pivot (8) top welding has first cross pole (9), arc revolving fragment (10) have all been welded to first cross pole (9) bottom four limit portion, arc revolving fragment (10) bottom welding has second cross pole (11).

2. An ethyl maltol extraction plant according to claim 1, wherein: first inlet pipe (20) are installed to device body (1) top limit portion opposite side, device body (1) top limit portion opposite side is close to first inlet pipe (20) surface limit portion one side position department and installs thermometer (19).

3. An ethyl maltol extraction plant according to claim 1, wherein: the water tank is characterized in that a water inlet pipe is arranged at the top of one end of the water tank (6), and a water outlet pipe is arranged at the bottom of one end of the water tank (6).

4. An ethyl maltol extraction plant according to claim 1, wherein: the stepping motor (7) is connected with the rotating shaft (8) through a coupler.

5. An ethyl maltol extraction plant according to claim 1, wherein: the device body (1) bottom middle part has been seted up and has been unloaded cavity (12), it is connected with filter cartridge (13) to unload cavity (12) bottom, filter cartridge (13) openly top has been seted up and has been collected cavity (21), it has all seted up spout (17) to collect cavity (21) inner wall limit portion both sides, spout (17) inside has been placed and has been collected frame (22), it has stainless steel filter (18) to collect frame (22) top middle part welding, row material pipe (15) are installed to filter cartridge (13) one end bottom.

6. An ethyl maltol extraction plant according to claim 5, wherein: a second feeding pipe (14) is installed at the top of one end of the filtering box (13), a sodium hydroxide solution is reserved in the second feeding pipe (14), a third feeding pipe (16) is installed at the top of the other end of the filtering box (13), and chloroform flows in the third feeding pipe (16).