CN213942184U

CN213942184U - Continuous extraction device is used in o-toluenesulfonamide preparation

Info

Publication number: CN213942184U
Application number: CN202022546307.5U
Authority: CN
Inventors: 孙强; 吴建国; 万海兵
Original assignee: Nantong Volant-Chem Corp
Current assignee: Nantong Volant-Chem Corp
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-13
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a continuous extraction device is used in preparation of o-toluene sulfonamide, including the extraction device casing, the inside of extraction device casing is separated into first extraction chamber and second extraction chamber through the baffle, and the installation cavity has been seted up to the bottom of extraction device casing, and the both ends of installation cavity bottom are fixed mounting respectively have first motor and second motor, and the output of first motor passes through the one end fixed connection of first connecting axle and first pivot, the utility model relates to a continuous extraction device is used in preparation of o-toluene sulfonamide sets up floating plate, floating bubble and densimeter and can make the feed liquor hose along with the high removal of liquid, makes the water pump in time carry out the secondary extraction when extraction concentration reaches the requirement simultaneously, both saves time and has improved the accuracy; the arrangement of the refrigerating sheet can enable the solution to be subjected to extraction reaction in a low-temperature environment, so that the solution is kept in a proper extraction temperature range, the extraction rate is improved, and the motor drives the stirring to further improve the extraction sufficiency.

Description

Continuous extraction device is used in o-toluenesulfonamide preparation

Technical Field

The utility model relates to a chemical industry field specifically is a continuous extraction device is used in o-toluene sulfonamide preparation.

Background

The o-toluenesulfonamide is an important fine chemical intermediate, can be used for producing products such as saccharin, a plasticizer, an adhesive, a pesticide, a medicine and the like, and has an important role in the chemical field.

The existing extraction device for preparing the o-toluenesulfonamide is used for single extraction, extraction liquid is not pure enough, the extraction progress is difficult to sense in the extraction process, the extraction amount is controlled, and time and operation are wasted due to the fact that multiple times of detection are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a continuous extraction device is used in o-toluenesulfonamide preparation to solve the o-toluenesulfonamide preparation that proposes in the above-mentioned background art and extract with extraction device single, the extraction liquid is not pure enough, is difficult to the progress of perception extraction among the extraction process, and the volume of control extraction needs to detect the trouble problem of time-wasting operation many times.

In order to achieve the above object, the utility model provides a following technical scheme: a continuous extraction device for preparing o-toluenesulfonamide comprises an extraction device shell, the interior of the extraction device shell is divided into a first extraction cavity and a second extraction cavity by a partition plate, the bottom of the extraction device shell is provided with an installation cavity, two ends of the bottom of the installation cavity are respectively fixedly provided with a first motor and a second motor, the output end of the first motor is fixedly connected with one end of a first rotating shaft through a first connecting shaft, the other end of the first rotating shaft penetrates through the bottom of the first extraction cavity and is fixedly connected with the middle part of a first stirring blade, the output end of the second motor is fixedly connected with one end of a second rotating shaft through a second connecting shaft, the output end of the second rotating shaft penetrates through the bottom of the second extraction cavity and is fixedly connected with the middle part of a second stirring blade, and the bottom of the joint of the partition plate and the extraction device shell is fixedly provided with a water pump, the water inlet of water pump and the one end fixed connection of feed liquor hose, one side fixed connection of mount and baffle is passed through at the middle part of feed liquor hose, the other end fixedly connected with kickboard of feed liquor hose, the top fixedly connected with a plurality of froth of kickboard, the both ends difference fixed mounting of kickboard bottom has temperature-sensing switch and densimeter, the fixed intercommunication of delivery port of water pump has the drain pipe, the one end of drain pipe passes the fixed intercommunication in one end of two filter screens of the fixed setting of second extraction intracavity portion and connecting pipe in proper order, the extraction device casing includes heat preservation, refrigeration layer and anticorrosive coating, the outside cover of anticorrosive coating is equipped with the refrigeration layer, the outside cover of refrigeration layer is equipped with the heat preservation, the fixed a plurality of refrigeration piece that is provided with in inside on refrigeration layer.

As an optimal technical scheme of the utility model, the heat preservation is made by polyurethane material, the refrigeration layer is made by ceramic material, the anticorrosive coating is made by the phenolic resin material.

As an optimized technical scheme of the utility model, the fixed intercommunication in one side that the feed liquor hose is close to the kickboard has a plurality of feed liquor pipe.

As a preferred technical scheme of the utility model, the equal transparent observation window of fixedly connected with in both sides of extraction device casing one end, the fixed intercommunication of one end of extraction device casing one side has the feed liquor pipe, the one end of feed liquor pipe extends to the inside in first extraction chamber, the fixed intercommunication of opposite side of extraction device casing has the drain pipe.

As a preferred technical scheme of the utility model, the other end fixed mounting of extraction device casing one side has the controller, the surface of controller from the left hand right side in proper order fixed mounting have control switch, first motor switch and second motor switch, the controller all with temperature-sensing switch and densimeter electric connection, the controller respectively with first motor, second motor and water pump electric connection, the controller passes through control switch and external power supply electric connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the floating plate, the floating bubbles and the densimeter can enable the liquid inlet hose to move along with the height of liquid, and meanwhile, the water pump can timely perform secondary extraction when the extraction concentration meets the requirement, so that the time is saved, and the accuracy is improved;

2. the arrangement of the refrigerating sheet can lead the solution to be extracted and reacted in a low-temperature environment, lead the solution to be kept in a proper extraction temperature range and improve the extraction rate.

Drawings

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

fig. 2 is a perspective view of the present invention;

fig. 3 is a schematic view of the structure of the local cross section of the present invention.

In the figure: 1. an extraction device housing; 2. a partition plate; 3. a first extraction chamber; 4. a second extraction chamber; 5. a first motor; 6. a second motor; 7. a first rotating shaft; 8. a first stirring blade; 9. a second rotating shaft; 10. a second stirring blade; 11. a water pump; 12. a liquid inlet hose; 13. a floating plate; 14. a heat-insulating layer; 15. a refrigeration layer; 16. an anticorrosive layer; 17. a refrigeration plate; 18. a controller; 19. filtering with a screen; 20. a transparent viewing window.

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.

Referring to fig. 1-3, the utility model provides a continuous extraction device for preparing o-toluenesulfonamide, which comprises an extraction device shell 1, the interior of the extraction device shell 1 is divided into a first extraction chamber 3 and a second extraction chamber 4 by a partition plate 2, the bottom of the extraction device shell 1 is provided with an installation chamber, two ends of the bottom of the installation chamber are respectively fixedly provided with a first motor 5 and a second motor 6, the output end of the first motor 5 is fixedly connected with one end of a first rotating shaft 7 by a first connecting shaft, the other end of the first rotating shaft 7 passes through the bottom of the first extraction chamber 3 and is fixedly connected with the middle part of a first stirring blade 8, the output end of the second motor 6 is fixedly connected with one end of a second rotating shaft 9 by a second connecting shaft, the output end of the second rotating shaft 9 passes through the bottom of the second extraction chamber 4 and is fixedly connected with the middle part of a second stirring blade 10, the bottom of the joint of the partition plate 2 and the extraction device shell 1 is fixedly provided with a water pump 11, water pump 11's water inlet and feed liquor hose 12's one end fixed connection, one side fixed connection of mount and baffle 2 is passed through at the middle part of feed liquor hose 12, feed liquor hose 12's other end fixedly connected with kickboard 13, the top fixedly connected with a plurality of kickboard 13 floats the bubble, there are temperature-sensing switch and densimeter at the both ends difference fixed mounting bottom kickboard 13, the fixed intercommunication of delivery port of water pump 11 has the drain pipe, the one end of drain pipe passes the fixed intercommunication of the one end of two filter screens 19 of the inside fixed setting in second extraction chamber 4 and connecting pipe in proper order, extraction device casing 1 includes heat preservation 14, refrigerating layer 15 and anticorrosive coating 16, the outside cover of anticorrosive coating 16 is equipped with refrigerating layer 15, the outside cover of refrigerating layer 15 is equipped with heat preservation 14, the fixed a plurality of refrigerating piece 17 that is provided with.

Preferably, the heat-insulating layer 14 is made of a polyurethane material, the refrigerating layer 15 is made of a ceramic material, and the anticorrosive layer 16 is made of a phenolic resin material, so that the solution can be subjected to extraction reaction in a low-temperature environment, the solution can be kept in a proper extraction temperature range, and the extraction rate is improved.

Preferably, one side of the liquid inlet hose 12 close to the floating plate 13 is fixedly communicated with a plurality of liquid inlet pipes, so that secondary extraction can be carried out in time, and time is saved.

Preferably, the equal fixedly connected with transparent observation window 20 in both sides of 1 one end of extraction device casing, the fixed intercommunication of one end of 1 one side of extraction device casing has the feed liquor pipe, and the one end of feed liquor pipe extends to the inside in first extraction chamber 3, and the fixed intercommunication of opposite side of extraction device casing 1 has the drain pipe, can observe the progress of extraction in real time through transparent observation window 20, is convenient for regulate and control.

Preferably, the other end of one side of the extraction device shell 1 is fixedly provided with a controller 18, the surface of the controller 18 is fixedly provided with a control switch, a first motor switch and a second motor switch sequentially from left to right, the controller 18 is electrically connected with a temperature sensing switch and a densimeter, the controller 18 is electrically connected with the first motor 5, the second motor 6 and the water pump 11 respectively, the controller 18 is electrically connected with an external power supply through the control switch, the first motor 5 and the second motor 6 drive stirring to further improve extraction sufficiency, the model of the controller 18 is DD104, the model of the temperature sensing switch is 17am bw ksd9700 tb02 tb05, and the model of the densimeter is MPM 5300.

When the continuous extraction device is used, the polyurethane material, the ceramic material and the phenolic resin can make the solution perform extraction reaction in a low-temperature environment through the refrigerating sheet 17, so that the solution is kept in a proper extraction temperature range, and the extraction rate is improved; the progress of extraction can be observed in real time through the transparent observation window 20, so that the regulation and control are convenient; starting a control switch, closing a circuit through a controller 18, starting a first motor switch, and driving a first stirring blade 8 to rotate by a first motor 5 to ensure that the extraction is more sufficient; the floating plate 13, the floating bubbles and the densimeter can enable the liquid inlet hose 12 to move along with the height of the liquid, and when the density meets the requirement, the water pump 11 timely extracts the upper layer liquid for secondary extraction, so that the time is saved, and the accuracy is improved; and starting a switch of a second motor, driving the second stirring blade 10 to rotate by the operation of the second motor 6, filtering the liquid by the two layers of filter screens 19 during secondary extraction, stirring the liquid by the second stirring blade 10, and standing to obtain an extracted upper solution.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A continuous extraction device for preparing o-toluenesulfonamide comprises an extraction device shell (1), and is characterized in that: the extraction device is characterized in that the interior of the extraction device shell (1) is divided into a first extraction cavity (3) and a second extraction cavity (4) through a partition plate (2), the bottom of the extraction device shell (1) is provided with an installation cavity, two ends of the bottom of the installation cavity are respectively fixedly provided with a first motor (5) and a second motor (6), the output end of the first motor (5) is fixedly connected with one end of a first rotating shaft (7) through a first connecting shaft, the other end of the first rotating shaft (7) penetrates through the bottom of the first extraction cavity (3) and the middle of a first stirring blade (8), the output end of the second motor (6) is fixedly connected with one end of a second rotating shaft (9) through a second connecting shaft, the output end of the second rotating shaft (9) penetrates through the bottom of the second extraction cavity (4) and the middle of a second stirring blade (10), the fixed water pump (11) that is provided with in bottom of baffle (2) and extraction device casing (1) junction, the water inlet of water pump (11) and the one end fixed connection of feed liquor hose (12), one side fixed connection of mount and baffle (2) is passed through at the middle part of feed liquor hose (12), the other end fixedly connected with kickboard (13) of feed liquor hose (12), the top fixedly connected with a plurality of kickboard (13) floats the bubble, there are temperature-sensing switch and densimeter at the both ends difference fixed mounting of kickboard (13) bottom, the fixed intercommunication of delivery port of water pump (11) has the drain pipe, the one end of drain pipe passes two filter screens (19) of second extraction chamber (4) inside fixed setting and the fixed intercommunication of one end of connecting pipe in proper order, extraction device casing (1) includes heat preservation (14), refrigeration layer (15) and anticorrosive coating (16), the outside cover of anticorrosive coating (16) is equipped with refrigeration layer (15), the outside cover of refrigeration layer (15) is equipped with heat preservation (14), the inside fixed a plurality of refrigeration piece (17) that is provided with of refrigeration layer (15).

2. The continuous extraction apparatus for the preparation of o-toluenesulfonamide according to claim 1, wherein: the heat-insulating layer (14) is made of a polyurethane material, the refrigerating layer (15) is made of a ceramic material, and the anticorrosive layer (16) is made of a phenolic resin material.

3. The continuous extraction apparatus for the preparation of o-toluenesulfonamide according to claim 1, wherein: one side of the liquid inlet hose (12) close to the floating plate (13) is fixedly communicated with a plurality of liquid inlet pipes.

4. The continuous extraction apparatus for the preparation of o-toluenesulfonamide according to claim 1, wherein: the equal fixedly connected with transparent observation window (20) in both sides of extraction device casing (1) one end, the fixed intercommunication of one end of extraction device casing (1) one side has the feed liquor pipe, the one end of feed liquor pipe extends to the inside in first extraction chamber (3), the fixed intercommunication of opposite side of extraction device casing (1) has the drain pipe.

5. The continuous extraction apparatus for the preparation of o-toluenesulfonamide according to claim 1, wherein: the other end fixed mounting of extraction device casing (1) one side has controller (18), the surface of controller (18) from the left hand right side in proper order fixed mounting have control switch, first motor switch and second motor switch, controller (18) all with temperature-sensing switch and densimeter electric connection, controller (18) respectively with first motor (5), second motor (6) and water pump (11) electric connection, controller (18) are through control switch and external power supply electric connection.