CN214441540U

CN214441540U - N-butyl lithium charging tube washing unit

Info

Publication number: CN214441540U
Application number: CN202120437363.7U
Authority: CN
Inventors: 孙开�; 李航; 陆晓盛
Original assignee: Shanghai Haigao Technology Co ltd
Current assignee: Shanghai Haigao Technology Co ltd
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2021-10-22
Anticipated expiration: 2031-02-27

Abstract

The utility model discloses an n-butyl lithium charging tube washing unit belongs to fine chemistry industry technical field. The n-butyl lithium charging tube flushing device comprises a flushing tank and a charging tube body, wherein a first air box and a second air box are fixedly connected in the flushing tank, an output end of the first air box is fixedly connected with an outer tube, a first air overflow valve is fixedly connected on the side wall of the outer tube extending into the charging tube body, one end, away from the first air box, of the outer tube is fixedly connected with an installation block, an air bag is fixedly connected on the installation block, the top of the second air box is fixedly connected with a second piston, an input end of the second piston is fixedly connected with an inner tube, and one end, away from the second air box, of the inner tube is fixedly connected with the installation block; the utility model discloses a retrieve nitrogen gas or argon gas, save nitrogen gas or argon gas resource, expose in the air through avoiding nitrogen gas or argon gas simultaneously to avoid operating personnel to inhale nitrogen gas or argon gas and cause nitrogen gas or argon gas poisoning, and then ensure workman's life safety.

Description

N-butyl lithium charging tube washing unit

Technical Field

The utility model relates to a meticulous chemical engineering technical field especially relates to n-butyl lithium charging tube washing unit.

Background

The n-butyl lithium is widely applied in organic synthesis, common specifications of 1.6M and 2.5M n-hexane solutions sold in the market are adopted, and in the one-pot organic boric acid preparation, the typical operation is that aryl bromide, triisopropyl borate and tetrahydrofuran solution are mixed, n-butyl lithium is dripped at ultralow temperature, is captured by boric acid ester while bromine and lithium exchange is carried out, and the corresponding organic boric acid is obtained after hydrolysis.

The n-butyl lithium solution is easy to ignite when exposed to air or moisture, and the n-butyl lithium has high danger and needs to be cleaned in time after being used, otherwise, accidents are easy to happen.

In the prior art, nitrogen or argon is needed to be used for protection when n-butyl lithium is cleaned, but nitrogen or argon is harmful to human bodies, and the nitrogen or argon is poisoned when the nitrogen or argon is sucked into the human bodies too much.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of high danger of cleaning n-butyl lithium in the prior art and providing a n-butyl lithium charging tube washing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the n-butyl lithium charging tube flushing device comprises a flushing tank and a charging tube body, wherein a first gas box and a second gas box are fixedly connected in the flushing tank, an outer tube is fixedly connected to the output end of the first gas box, a first air overflow valve is fixedly connected to the side wall of the outer tube extending into the charging tube body, one end, away from the first gas box, of the outer tube is fixedly connected with a mounting block, an air bag is fixedly connected to the mounting block, a second piston is fixedly connected to the top of the second gas box, an inner tube is fixedly connected to the input end of the second piston, one end, away from the second gas box, of the inner tube is fixedly connected with the mounting block, the inner tube is located inside the outer tube, a sliding groove is formed in the mounting block, a sliding plate is slidably connected to the sliding groove, a second air overflow valve is fixedly connected to the sliding plate, and the output end of the second air overflow valve is matched with the inner tube, an elastic piece is arranged in the sliding groove, and two ends of the elastic piece are fixedly connected with the inner wall of the sliding groove and the sliding plate respectively.

Preferably, the top of the first air tank is fixedly connected with a first piston, the input end of the first piston is communicated with a second air tank through an air pipe, the output end of the first piston is communicated with the first air tank, the output end of the second piston is communicated with the second air tank, and a first driving part and a second driving part which are respectively used for driving the first piston and the second piston are arranged in the flushing tank.

Preferably, first drive division and second drive division all include motor and drive shaft, motor fixed connection is at the inner wall of washing jar, drive shaft fixed connection is at the output of motor, fixedly connected with bent axle on the drive shaft, the drive end of first piston and second piston rotates respectively and connects on two sets of bent axles.

Preferably, the air pipe is provided with a control valve, and the input end of the outer pipe is fixedly connected with a pressure regulating valve.

Preferably, the outer tube is connected with an air blocking plate in a sliding mode, and the air blocking plate is matched with the feeding tube body.

Preferably, the bottom fixedly connected with stay cord of slide, the last pivot that rotates of stifled gas plate, fixedly connected with line wheel in the pivot, the slide was kept away from to the stay cord one end and line wheel fixed connection.

Compared with the prior art, the utility model provides an n-butyl lithium charging tube washing unit possesses following beneficial effect:

1. this n-butyl lithium charging tube washing unit is through retrieving nitrogen gas or argon gas, saves nitrogen gas or argon gas resource.

2. This n-butyl lithium charging tube washing unit exposes in the air through avoiding nitrogen gas or argon gas to avoid operating personnel to inhale nitrogen gas or argon gas and cause nitrogen gas or argon gas poisoning, and then ensure operating personnel's life safety.

Drawings

FIG. 1 is a front view of a n-butyl lithium charging tube flushing device provided by the utility model;

FIG. 2 is a schematic structural diagram of a flushing tank of the n-butyl lithium charging pipe flushing device provided by the utility model;

FIG. 3 is a schematic structural view of a gas blocking plate of the n-butyl lithium charging tube flushing device provided by the utility model;

fig. 4 is the structure schematic diagram of the installation table of the n-butyl lithium charging tube flushing device provided by the utility model.

In the figure: 1. washing the tank; 101. a first gas tank; 1011. a pressure regulating valve; 102. a second gas tank; 2. a motor; 201. a drive shaft; 202. a crankshaft; 203. a first piston; 2031. an air tube; 2032. a control valve; 204. a second piston; 3. an outer tube; 302. a first air relief valve; 303. a gas blocking plate; 3031. a rotating shaft; 3032. a wire wheel; 4. an inner tube; 5. mounting blocks; 501. an air bag; 502. a chute; 5021. an elastic member; 503. a slide plate; 5031. a second air relief valve; 5032. pulling a rope; 7. a charging tube body.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, the n-butyl lithium charging tube flushing device comprises a flushing tank 1 and a charging tube body 7, a first air tank 101 and a second air tank 102 are fixedly connected in the flushing tank 1, an outer tube 3 is fixedly connected at an output end of the first air tank 101, a first air overflow valve 302 is fixedly connected on a side wall of the outer tube 3 extending into the charging tube body 7, an installation block 5 is fixedly connected at one end of the outer tube 3 far away from the first air tank 101, an air bag 501 is fixedly connected on the installation block 5, a second piston 204 is fixedly connected at the top of the second air tank 102, an inner tube 4 is fixedly connected at an input end of the second piston 204, one end of the inner tube 4 far away from the second air tank 102 is fixedly connected with the installation block 5, the inner tube 4 is located in the outer tube 3, a sliding groove 502 is formed in the installation block 5, a sliding plate 503 is slidably connected in the sliding groove 502, a second air overflow valve 5031 is fixedly connected on the sliding plate 503, an output end of the second air overflow valve 5031 is matched with the inner tube 4, an elastic piece 5021 is arranged in the sliding groove 502, and two ends of the elastic piece 5021 are fixedly connected with the inner wall of the sliding groove 502 and the sliding plate 503 respectively.

The top of the first air box 101 is fixedly connected with a first piston 203, the input end of the first piston 203 is communicated with the second air box 102 through an air pipe 2031, the output end of the first piston 203 is communicated with the first air box 101, the output end of the second piston 204 is communicated with the second air box 102, and a first driving part and a second driving part which are respectively used for driving the first piston 203 and the second piston 204 are arranged in the flushing tank 1.

First drive division and second drive division all include motor 2 and drive shaft 201, and motor 2 fixed connection is at the inner wall of washing jar 1, and drive shaft 201 fixed connection is at the output of motor 2, fixedly connected with bent axle 202 on the drive shaft 201, and the drive end of first piston 203 and second piston 204 rotates respectively to be connected on two sets of bent axles 202.

The air pipe 2031 is provided with a control valve 2032, and the input end of the outer pipe 3 is fixedly connected with a pressure regulating valve 1011.

The outer tube 3 is slidably connected with a gas blocking plate 303, and the gas blocking plate 303 is matched with the feeding tube body 7.

The bottom of the sliding plate 503 is fixedly connected with a pulling rope 5032, the air blocking plate 303 is rotatably connected with a rotating shaft 3031, the rotating shaft 3031 is fixedly connected with a wire wheel 3032, and one end of the pulling rope 5032 far away from the sliding plate 503 is fixedly connected with the wire wheel 3032.

In the utility model, the installation block 5 is extended into the charging tube body 7 until extending to the bottom, the gas blocking plate 303 is clamped at the top of the charging tube body 7, the control valve 2032 is opened, the first driving part is started, concretely, the motor 2 drives the crankshaft 202 to rotate through the driving shaft 201, the crankshaft 202 drives the first piston 203 to work, the first piston 203 absorbs nitrogen or argon in the second gas box 102 and sends the nitrogen or argon into the first gas box 101, the pressure regulating valve 1011 is completely opened first, the nitrogen or argon in the first gas box 101 enters the outer tube 3, the installation block 5 is provided with a hole for communicating the outer tube 3 with the air bag 501, the nitrogen or argon makes the air bag 501 expand to block the output end of the charging tube body 7, then the pressure regulating valve 1011 is regulated, the content of nitrogen or argon in the outer tube 3 is controlled to enter, when the pressure of the outer tube 3 reaches the threshold value, the nitrogen or argon is sprayed to the charging tube body 7 through the first gas overflow valve 302, flushing the n-butyllithium to flush out the residual n-butyllithium, after the n-butyllithium is cleaned, closing the first driving part, closing the control valve 2032, starting the second driving part, enabling the second piston 204 to work, enabling the second piston 204 to rotate the rotating shaft 3031, enabling the rotating shaft 3031 to slide through the reel 3032 and the pull rope 5032, enabling the sliding plate 503 to enable the second air overflow valve 5031 to be separated from the inner tube 4, enabling the charging tube body 7 to be completely communicated with the inner tube 4, enabling the charging tube body 7 and the nitrogen or argon in the airbag 501 to be sucked into the second air box 102 by the second piston 204 to recover the nitrogen or the argon, enabling the output ends and the input ends of the first piston 203 and the second piston 204, the communication part of the outer tube 3 and the airbag 501 and the communication part of the airbag 501 and the charging tube body 7 to be provided with one-way valves, and saving nitrogen or argon resources by recovering the nitrogen or the argon and avoiding the nitrogen or the argon from being exposed in the air, thereby avoiding the nitrogen or argon poisoning caused by the nitrogen or argon suction of the operator, and further ensuring the life safety of the operator.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The n-butyl lithium charging tube flushing device comprises a flushing tank (1) and a charging tube body (7), and is characterized in that the flushing tank (1) is internally and fixedly connected with a first air box (101) and a second air box (102), the output end of the first air box (101) is fixedly connected with an outer tube (3), the outer tube (3) extends to the side wall in the charging tube body (7) and is fixedly connected with a first air overflow valve (302), one end, far away from the first air box (101), of the outer tube (3) is fixedly connected with a mounting block (5), the mounting block (5) is fixedly connected with an air bag (501), the top of the second air box (102) is fixedly connected with a second piston (204), the input end of the second piston (204) is fixedly connected with an inner tube (4), one end, far away from the second air box (102), of the inner tube (4) is fixedly connected with the mounting block (5), the inner tube (4) is located inside the outer tube (3), a sliding groove (502) is formed in the mounting block (5), a sliding plate (503) is connected to the sliding groove (502) in a sliding mode, a second overflow valve (5031) is fixedly connected to the sliding plate (503), the output end of the second overflow valve (5031) is matched with the inner tube (4), an elastic piece (5021) is arranged in the sliding groove (502), and two ends of the elastic piece (5021) are fixedly connected with the inner wall of the sliding groove (502) and the sliding plate (503) respectively.

2. The n-butyl lithium charging tube flushing device according to claim 1, characterized in that a first piston (203) is fixedly connected to the top of the first air box (101), the input end of the first piston (203) is communicated with the second air box (102) through an air tube (2031), the output end of the first piston (203) is communicated with the first air box (101), the output end of the second piston (204) is communicated with the second air box (102), and a first driving part and a second driving part for driving the first piston (203) and the second piston (204) respectively are arranged in the flushing tank (1).

3. The n-butyl lithium charging pipe flushing device is characterized in that the first driving portion and the second driving portion respectively comprise a motor (2) and a driving shaft (201), the motor (2) is fixedly connected to the inner wall of the flushing tank (1), the driving shaft (201) is fixedly connected to the output end of the motor (2), a crankshaft (202) is fixedly connected to the driving shaft (201), and the driving ends of the first piston (203) and the second piston (204) are respectively and rotatably connected to the two groups of crankshafts (202).

4. The n-butyl lithium charging pipe flushing device according to claim 2, characterized in that a control valve (2032) is arranged on the gas pipe (2031), and a pressure regulating valve (1011) is fixedly connected to the input end of the outer pipe (3).

5. The n-butyl lithium charging tube flushing device according to claim 1, characterized in that an air blocking plate (303) is slidably connected to the outer tube (3), and the air blocking plate (303) is matched with the charging tube body (7).

6. The n-butyl lithium charging tube flushing device as claimed in claim 5, characterized in that a pulling rope (5032) is fixedly connected to the bottom of the sliding plate (503), a rotating shaft (3031) is rotatably connected to the air blocking plate (303), a wire wheel (3032) is fixedly connected to the rotating shaft (3031), and one end of the pulling rope (5032) far away from the sliding plate (503) is fixedly connected to the wire wheel (3032).