CN112902611A

CN112902611A - Benzocaine production system and production process

Info

Publication number: CN112902611A
Application number: CN202110115598.9A
Authority: CN
Inventors: 刘敏; 沈佳美
Original assignee: Changzhou Feida New Material Technology Co ltd
Current assignee: Changzhou Feida New Material Technology Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-06-04

Abstract

A benzocaine production system and a production process comprise a drying box and a support frame, wherein the top end of the support frame is provided with the drying box, a drying cavity is arranged in the drying box, the top end of the drying cavity is provided with a feed inlet, the bottom end of the drying cavity is provided with a discharge outlet, one end of the feed inlet and the discharge outlet, which is far away from the drying box, is provided with a cover plate, the side wall of the drying cavity is provided with a jacket, the drying box is positioned at the top end of the jacket and is provided with a heating outlet, the bottom end of the jacket is provided with a heating inlet, a stirring rod is rotationally arranged in the drying cavity, stirring rods are uniformly distributed on the surface of the stirring rod, the left side of the support frame is provided with a driving motor and a coupler, the output end of the driving motor is connected with the coupler, the right end of the, thereby reducing the environmental pollution.

Description

Benzocaine production system and production process

Technical Field

The invention relates to the technical field of benzocaine production systems, in particular to a benzocaine production system and a production process.

Background

Ethyl p-aminobenzoate, also known as benzocaine, is an organic compound having the chemical formula C9H11NO 2. It is colorless rhombohedral crystal, and odorless and tasteless. Is easily soluble in alcohol, ether and chloroform, can be dissolved in oleum Armeniacae amarum, oleum Olivarum and dilute acid, and is hardly soluble in water. It is clinically used for relieving pain and itching of wound surfaces, ulcer surfaces, burns, skin chapping and hemorrhoids. The existing benzocaine needs to be dried in the production process, but the existing drying equipment is not thorough in drying, so that the production effect is low, and meanwhile, waste gas generated by drying can be directly discharged into the air to cause environmental pollution.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a production system and a production process of benzocaine with small environmental pollution.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a benzocaine production system comprises a drying box and a support frame, wherein the top end of the support frame is provided with the drying box, a drying cavity is arranged in the drying box, the top end of the drying cavity is provided with a feeding hole, the bottom end of the drying cavity is provided with a discharging hole, one end of the feeding hole and the discharging hole, which is far away from the drying box, is provided with a cover plate, the side wall of the drying cavity is provided with a jacket, the top end of the drying box, which is positioned at the jacket, is provided with a heating inlet, a stirring rod is rotationally arranged in the drying cavity, stirring rods are uniformly distributed on the surface of the stirring rod, the left side of the support frame is provided with a driving motor and a coupler, the output end of the driving motor is connected with the coupler, the right end of the stirring rod extends, the spray head is communicated with the heating cavity, the left side of the support frame is provided with a condenser, an air filling chamber and an air pump, the input end of the air pump is connected with the air filling chamber, the output end of the air pump is communicated with the heating cavity, the top end of the side wall of the right side of the drying cavity is provided with a hot air outlet, the hot air outlet is connected with the condenser through a pipeline, the other end of the condenser is communicated with the air filling chamber, and the interior of the air filling.

In order to prevent benzocaine in the dry cavity from entering the pipeline, the invention has the improvement that a filter screen is arranged in the hot air outlet.

In order to facilitate the supplement of gas for the gas adding chamber and prevent dry waste gas from being discharged into the external environment, the improvement of the invention is that the side wall of the gas adding chamber is provided with a one-way valve.

In order to facilitate the improvement of the sealing performance of the feed inlet and the discharge outlet, the invention has the improvement that one side of the cover plate is respectively hinged with the side walls of the feed inlet and the discharge outlet, and the other end of the cover plate is respectively connected with the side walls of the feed inlet and the discharge outlet through threaded nails.

In order to facilitate the observation of the drying process, the invention has the improvement that the front end of the drying box is provided with an observation window.

In order to conveniently control the temperature in the drying process, the invention has the improvement that the front end of the drying box is provided with a thermometer.

In order to facilitate the control of the driving motor to reversely rotate at intervals of one end, the invention has the improvement that the driving motor adopts a servo motor, a time relay is arranged at the top end of the driving motor, and the time relay is electrically connected with the driving motor.

The invention further provides a production process of benzocaine, which comprises the following steps:

step 1, filling a heating medium into the jacket through the heating inlet and the heating outlet so as to preheat the drying cavity, and then adding benzocaine into the drying cavity through the feeding hole by an operator.

Step 2, operating personnel control driving motor work and drive puddler and puddler rotation and stir benzocaine, and operating personnel control air pump and heater work simultaneously, spray steam in to the dry cavity through the shower nozzle to blow the benzocaine in the dry cavity into the suspended state, convenient drying, steam carries out further heating to benzocaine simultaneously.

And 3, condensing the water vapor in the waste gas by the waste gas generated by drying through a condenser, and then circularly heating and drying the waste gas in the air-entrapping chamber, thereby reducing the pollution to the environment.

(III) advantageous effects

Compared with the prior art, the invention provides a benzocaine production system and a production process, and the system has the following beneficial effects:

this benzocaine production system, through the setting of clamp cover, stirring rod and shower nozzle, can say benzocaine stirring through the rotation of stirring rod, thereby the temperature of hot medium promotion dry cavity is filled in the clamp cover, sprays steam through the shower nozzle to say benzocaine in the dry cavity and blow into the suspended state, the heating of being convenient for, steam is convenient for further dry benzocaine simultaneously, and drying effect is good. Through the arrangement of the condenser, the hot air outlet and the air adding chamber, waste gas and benzocaine generated in the drying process can not be diffused into the air, so that the environmental pollution is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

in the figure: 1. a drying oven; 2. a support frame; 3. drying the cavity; 4. a feed inlet; 5. a discharge port; 6. a cover plate; 7. a jacket; 8. a heating outlet; 9. heating the inlet; 10. a stirring rod; 11. a stirring rod; 12. a drive motor; 13. heating the cavity; 14. a spray head; 15. a gas adding chamber; 16. an air pump; 17. a hot gas outlet; 18. a pipeline; 19. a heater; 20. an observation window; 21. a thermometer; 22. a time relay.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a benzocaine production system comprises a drying oven 1 and a support frame 2, wherein the top end of the support frame 2 is provided with the drying oven 1, the drying oven 1 is internally provided with a drying cavity 3, the top end of the drying cavity 3 is provided with a feed inlet 4, the bottom end of the drying cavity 3 is provided with a discharge outlet 5, one ends of the feed inlet 4 and the discharge outlet 5, which are far away from the drying oven 1, are provided with a cover plate 6, the side wall of the drying cavity 3 is provided with a jacket 7, the drying oven 1 is positioned at the top end of the jacket 7 and provided with a heating outlet 8, the bottom end of the drying oven 1, which is positioned at the jacket 7, is provided with a heating inlet 9, a stirring rod 10 is rotatably arranged in the drying cavity 3, stirring rods 11 are uniformly distributed on the surface of the stirring rod 10, the left side of the support,

puddler

10 and 11 built-in heating cavities 13 of puddler, 11 surperficial equipartition shower nozzles 14 of puddler, shower nozzle 14 and heating cavity 13 intercommunication, 2 left sides of support frame set up condenser, air entrainment room 15 and air pump 16, the 16 input of air pump is connected with

air entrainment room

15, 16 outputs of air pump and heating cavity 13 intercommunication, 3 right side lateral wall tops of dry cavity set up hot gas outlet 17, hot gas outlet 17 passes through pipeline 18 and is connected with the condenser, the condenser other end and 15 intercommunications of air entrainment room, set up heater 19 in the air entrainment room 15.

The hot air outlet 17 is internally provided with a filter screen, so that benzocaine in the drying cavity 3 can be prevented from entering the pipeline 18.

The lateral wall of the air adding chamber 15 is provided with a one-way valve, so that the air adding chamber 15 is supplemented with air conveniently, and meanwhile, dry waste gas is prevented from being discharged into the external environment.

Apron 6 one side is articulated with

feed inlet

4 and 5 lateral walls of discharge gate respectively, and 6 other ends of apron pass through the screw with

feed inlet

4 and 5 lateral walls of discharge gate respectively and are connected, are convenient for promote the leakproofness of feed inlet 4 and discharge gate 5.

The front end of the drying box 1 is provided with an observation window 20, so that the drying process can be observed conveniently.

The front end of the drying box 1 is provided with a thermometer 21, so that the temperature in the drying process can be conveniently controlled.

The driving motor 12 adopts a servo motor, a time relay 22 is arranged at the top end of the driving motor 12, and the time relay 22 is electrically connected with the driving motor 12, so that the driving motor 12 can be controlled to rotate reversely at intervals of a period of time.

The specific operation flow is as follows, and the production process of the benzocaine comprises the following steps:

step 1, filling a heating medium into the jacket 7 through the heating inlet 9 and the heating outlet 8 to preheat the drying cavity 3, and then adding benzocaine into the drying cavity 3 through the feeding hole 4 by an operator.

Step 2, the operator controls the driving motor 12 to work to drive the stirring rod 10 and the stirring rod 11 to rotate to stir the benzocaine, and simultaneously, the operator controls the air pump 16 and the heater 19 to work to spray hot air into the drying cavity 3 through the spray head 14, so that the benzocaine in the drying cavity 3 is blown into a suspension state, drying is facilitated, and meanwhile, the hot air further heats the benzocaine.

And 3, condensing the water vapor in the waste gas generated by drying through a condenser, and then entering a gas adding chamber 15 for cyclic heating and drying, thereby reducing the pollution to the environment.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a benzocaine production system, includes drying cabinet (1) and support frame (2), its characterized in that: the drying device is characterized in that a drying box (1) is arranged at the top end of a support frame (2), a drying cavity (3) is arranged in the drying box (1), a feeding hole (4) is formed in the top end of the drying cavity (3), a discharging hole (5) is formed in the bottom end of the drying cavity (3), a cover plate (6) is arranged at one end, away from the drying box (1), of the feeding hole (4) and the discharging hole (5), a jacket (7) is arranged on the side wall of the drying cavity (3), a heating outlet (8) is formed in the top end, located at the jacket (7), of the drying box (1), a heating inlet (9) is formed in the bottom end, located at the jacket (7), of the drying cavity (3), stirring rods (10) are rotatably arranged, stirring rods (11) are uniformly distributed on the surfaces of the stirring rods (10), a driving motor (12) and a coupler are, the utility model discloses a drying cabinet, including support frame (2), puddler (10), stirring rod (10) right-hand member stretch out drying cabinet (1) and coupling joint, puddler (10) and puddler (11) built-in heating cavity (13), puddler (11) surface equipartition shower nozzle (14), shower nozzle (14) and heating cavity (13) intercommunication, support frame (2) left side sets up condenser, air entrainment room (15) and air pump (16), air pump (16) input is connected with air entrainment room (15), air pump (16) output and heating cavity (13) intercommunication, drying cavity (3) right side lateral wall top sets up steam outlet (17), steam outlet (17) are through pipeline (18) and condenser intercommunication, the condenser with air entrainment room (15) intercommunication, set up heater (19) in air entrainment room (15).

2. A benzocaine production system according to claim 1, characterized in that: the hot gas outlet (17) is internally provided with a filter screen.

3. A benzocaine production system according to claim 1, characterized in that: the side wall of the air adding chamber (15) is provided with a one-way valve.

4. A benzocaine production system according to claim 1, characterized in that: one side of the cover plate (6) is hinged with the side walls of the feed inlet (4) and the discharge outlet (5), and the other end of the cover plate (6) is connected with the side walls of the feed inlet (4) and the discharge outlet (5) through threaded screws.

5. A benzocaine production system according to claim 1, characterized in that: an observation window (20) is arranged at the front end of the drying box (1).

6. A benzocaine production system according to claim 1, characterized in that: a thermometer (21) is arranged at the front end of the drying box (1).

7. A benzocaine production system according to claim 1, characterized in that: the driving motor (12) adopts a servo motor, a time relay (22) is arranged at the top end of the driving motor (12), and the time relay (22) is electrically connected with the driving motor (12).

8. A process for producing benzocaine, comprising:

step 1, filling a heating medium into a jacket (7) through a heating inlet (9) and a heating outlet (8) so as to preheat a drying cavity (3), and then adding benzocaine into the drying cavity (3) through a feeding hole (4) by an operator;

step 2, an operator controls a driving motor (12) to work to drive a stirring rod (10) and a stirring rod (11) to rotate to stir the benzocaine, controls an air pump (16) and a heater (19) to work simultaneously, and sprays hot air into the drying cavity (3) through a spray head (14), so that the benzocaine in the drying cavity (3) is blown into a suspension state, drying is facilitated, and meanwhile the benzocaine is further heated by the hot air;

and 3, condensing the water vapor in the waste gas by the waste gas generated by drying through a condenser, and then entering a gas adding chamber (15) for cyclic heating and drying, thereby reducing the pollution to the environment.