CN217527440U - Protective gas inlet device for reaction kettle - Google Patents

Abstract

The utility model discloses a protection gas air inlet unit for reation kettle belongs to protection gas technical field for reation kettle. The reaction kettle comprises a reaction kettle body, wherein the reaction kettle body comprises an outer shell and an inner cylinder, the outer shell is sleeved outside the inner cylinder and concentrically arranged with the inner cylinder, a round pipe is arranged at the top of the outer shell, a plurality of annularly distributed installation grooves are formed in the side wall of the outer shell, a J-shaped pipe is arranged inside each installation groove, and the top of each J-shaped pipe extends out of the outer shell and is communicated with the round pipe; the inner cylinder comprises a hollow cylinder and a hollow cone. This device mainly drives the passageway on the solid fixed section of thick bamboo of fly leaf shutoff through drive assembly for hollow cylinder section of thick bamboo and hollow circular cone section of thick bamboo are separated, thereby can stir the operation in hollow cylinder section of thick bamboo, and deposit gas in hollow circular cone section of thick bamboo, and this device operation is light, and the security performance is high.

Description

Protective gas inlet device for reaction kettle

Technical Field

The utility model relates to a protection gas air inlet unit for reation kettle belongs to protection gas technical field for reation kettle.

Background

At present, inert gas replacement and protection devices used by reaction kettles in the fine chemical industry generally adopt a mode that an inert gas pipe is led into the bottom of the reaction kettle from a top cover of the reaction kettle in a straight pipe mode, and the inert gas pipe is discharged from the top of the reaction kettle, but a stirrer is arranged in the reaction kettle, so that the inert gas pipe cannot be led into the bottom of the reaction kettle, and the gas distribution is uneven. The other form is that protective gas is introduced from a bottom valve, and although the gas is introduced from the bottom, the gas still has the condition of uneven distribution. And because the bottom valve can not be closed because the gas is introduced from the bottom, the dead volume of the bottom reaction is increased, and the reaction is not thorough. The incomplete replacement of air in the reaction kettle can not only not reach the conditions of no water, no oxygen and air isolation, but also influence the reaction, reduce the yield and have serious potential safety hazard if flammable and explosive reaction materials are encountered.

To this end, the name "a shielding gas protection reaction device" (CN 201821305501.0) adopts a gas distribution pipe to solve the above problems, but [0010] mentioned in the text, in order to adjust and change the fluid state of the reaction system, 20 to 30 gas outlets with the same shape and size are uniformly distributed on the gas distribution pipe 7, each gas outlet is provided with a one-way valve, it can be seen from the figure that when the stirring operation is performed in the reaction kettle, the material is easily fed into the gas distribution pipe through the gas outlet along with the stirring operation, for this reason, the one-way valve is arranged in the gas outlet, but according to the experience of chemical production, the one-way valve has two control modes, one is manually operated, but the one-way valve is arranged in the reaction kettle, the operation is unrealistic, and the other is controlled by the PLC, but the operation of the PLC is easy to generate static electricity, so the explosion risk is very easily generated during the operation, for this reason, it is necessary to design a shielding gas inlet device for the reaction kettle to solve the above problems.

Disclosure of Invention

The utility model discloses to the technical problem that above-mentioned background art mentioned, and adopt following technical scheme to realize:

a protective gas inlet device for a reaction kettle comprises a reaction kettle body, wherein the reaction kettle body comprises a shell and an inner cylinder, the shell is sleeved outside the inner cylinder and concentrically arranged with the inner cylinder, a circular tube is arranged at the top of the shell, a plurality of annularly distributed mounting grooves are formed in the side wall of the shell, a J-shaped tube is mounted inside each mounting groove, and the top of the J-shaped tube extends out of the shell and is communicated with the circular tube;

the inner cylinder comprises a hollow cylindrical cylinder and a hollow conical cylinder, the bottom of the hollow cylindrical cylinder is fixed with the top of the hollow conical cylinder, and the bottom of the J-shaped pipe penetrates through and extends into the hollow conical cylinder;

a fixed cylinder is connected with the hollow cylindrical cylinder and the hollow conical cylinder, and a movable plate is slidably sleeved in a channel on the fixed cylinder through a driving assembly and used for sealing or opening and closing the channel on the fixed cylinder;

the movable plate is also communicated with a discharge pipe, the bottom of the discharge pipe penetrates through the shell and extends out of the shell, and the top of the discharge pipe is communicated with the inside of the hollow cylindrical barrel;

the top of shell intercommunication has the inlet pipe.

As a preferable example, the driving assembly is a gas spring, one end of the gas spring is arranged on the hook of the upper pillar at the bottom of the housing, and the other end of the gas spring is arranged on the hook at the bottom of the movable plate.

As a preferred example, a plurality of the J-shaped tubes are annularly distributed on the hollow conical cylinder.

As a preferable example, the connection part of the outer wall of the discharge pipe and the outer shell is provided with a dynamic sealing structure.

As a preferred example, the connection part of the gas spring and the housing is also provided with a dynamic sealing structure.

As a preferred example, the top of the round pipe is communicated with an air inlet joint.

It should be noted that, mounting holes have been all seted up to the top central point of shell and the top central point of inner tube position, and two mounting holes communicate, still are equipped with the support on the shell, install the motor on the support, and the stirring rake is installed to the motor output, and the bottom of stirring rake stretches into the inside of shell and hollow cylinder section of thick bamboo through two mounting holes in proper order, and is located the internally mounted of hollow cylinder section of thick bamboo and has stirring vane.

The beneficial effects of the utility model are that: this device mainly drives the passageway on the solid fixed section of thick bamboo of fly leaf shutoff through drive assembly for hollow cylinder section of thick bamboo and hollow circular cone section of thick bamboo are separated, thereby can stir the operation in hollow cylinder section of thick bamboo, and deposit gas in hollow circular cone section of thick bamboo, and this device operation is light, and the security performance is high.

Drawings

Fig. 1 is a perspective view of the present invention;

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

FIG. 3 is a schematic structural view of the present invention after the outer shell is removed;

fig. 4 is a front view of the present invention;

FIG. 5 isbase:Sub>A schematic view of the structure in the direction A-A in FIG. 4;

FIG. 6 is a schematic structural view of the middle movable plate, the fixed cylinder and the gas spring of the present invention after they are integrated;

in the figure: the device comprises a shell 1, a round pipe 2, an air inlet joint 3, an inner cylinder 4, a J-shaped pipe 5, an air spring 6, a hollow conical cylinder 7, a hollow cylindrical cylinder 8, a feeding pipe 9, a discharging pipe 10, a fixed cylinder 11, a movable plate 12, a hook 13 and a guide column 14.

Detailed Description

In order to understand the technical means, creation features, achievement purposes and functions of the present invention easily, the present invention will be further explained by combining with the specific drawings.

As shown in fig. 1-6, a shielding gas inlet device for a reaction kettle comprises a reaction kettle body, the reaction kettle body comprises a shell 1 and an inner cylinder 4, the shell 1 is sleeved outside the inner cylinder 4 and concentrically arranged with the inner cylinder 4, a circular tube 2 is arranged at the top of the shell 1, a plurality of annular installation grooves are arranged on the side wall of the shell 1, a J-shaped tube 5,J type tube 5 is arranged inside each installation groove, the top of the J-shaped tube 5,J type tube 5 extends out of the shell 1 and is communicated with the circular tube 2;

the inner cylinder 4 comprises a hollow cylindrical cylinder 8 and a hollow conical cylinder 7, the bottom of the hollow cylindrical cylinder 8 is fixed with the top of the hollow conical cylinder 7, and the bottom of the J-shaped pipe 5 penetrates through and extends into the hollow conical cylinder 7;

a fixed cylinder 11 is connected with the hollow cylindrical cylinder 8 and the hollow conical cylinder 7, and a movable plate 12 is slidably sleeved in a channel on the fixed cylinder 11 through a driving assembly and used for sealing or opening and closing the channel on the fixed cylinder 11;

the movable plate 12 is also communicated with a discharge pipe 10, the bottom of the discharge pipe 10 penetrates through and extends out of the shell 1, and the top of the discharge pipe 10 is communicated with the inside of the hollow cylindrical barrel 8;

the top of the shell 1 is communicated with a feeding pipe 9.

It should be noted that a guide post 14 is installed on the top of the fixed cylinder 11, and the top of the movable plate 12 is slidably sleeved on the guide post 14.

The driving component is a gas spring 6, one end of the gas spring 6 is arranged on a hook 13 of the upper support at the bottom of the shell 1, and the other end of the gas spring 6 is arranged on a hook 13 at the bottom of the movable plate 12.

A plurality of J-shaped pipes 5 are distributed on the hollow conical barrel 7 in an annular shape.

The joint of the outer wall of the discharge pipe 10 and the shell 1 is provided with a dynamic sealing structure.

The joint of the gas spring 6 and the shell 1 is also provided with a dynamic sealing structure.

The top of the round tube 2 is communicated with an air inlet joint 3.

The working principle is as follows: when protective gas needs to be introduced, the gas spring 6 is driven, the output end of the gas spring 6 extends, so that a gap exists between the movable plate 12 and a channel on the fixed cylinder 11 (it needs to be explained that the movable plate 12 is in a T shape, namely comprises a large round block and a small round block, the bottom of the large round block is fixed with the top of the small round block, the diameter of the large round block is larger than that of the small round block, the large round block is slidably sleeved on the guide column 14, and the gap of the small round block means that the bottom of the large round block is separated from the top of the fixed cylinder 11), so that the hollow cylinder 8 is communicated with the hollow cylinder 7, and then communicated with an external protective gas supply device (such as a nitrogen gas bottle) through the gas inlet joint 3, nitrogen gas enters the gas inlet joint 3 through the nitrogen gas bottle, and enters the hollow cylinder 7 through the round pipes 2 and the J-shaped pipes 5 in sequence, then enters the hollow cylinder 8 through the gap, and then other gas in the hollow cylinder 8 is discharged from the feed pipe 9, at this time, the content of other gas in the hollow cylinder 8 needs to be detected through the pressure gauge;

then, the gas spring 6 is driven to contract the output end of the gas spring 6, so that the movable plate 12 seals the fixed cylinder 11 (at the moment, the bottom of the large round block covers the top of the fixed cylinder 11, namely, a channel on the fixed cylinder 11 is blocked), then gas supply is stopped, the material enters the hollow cylinder 8 through the feed pipe 9, then the motor is started, the output end of the motor starts to rotate, so that the stirring paddle is driven to rotate, and then the stirring blade is driven to rotate, so that the material in the hollow cylinder 8 is stirred;

after the reaction is completed, the valve on the discharge pipe 10 is opened (the valve needs to be installed on the discharge pipe), so that the reacted materials can flow out of the device through the discharge pipe 10.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a protection gas air inlet unit for reation kettle, includes the reation kettle body, the reation kettle body includes shell (1) and inner tube (4), shell (1) cover is established in the outside of inner tube (4), and the two sets up its characterized in that with one heart: the top of the shell (1) is provided with a round pipe (2), the side wall of the shell (1) is provided with a plurality of mounting grooves which are distributed annularly, a J-shaped pipe (5) is mounted inside each mounting groove, and the top of each J-shaped pipe (5) extends out of the shell (1) and is communicated with the round pipe (2);

the inner cylinder (4) comprises a hollow cylinder (8) and a hollow conical cylinder (7), the bottom of the hollow cylinder (8) is fixed with the top of the hollow conical cylinder (7), and the bottom of the J-shaped pipe (5) penetrates through and extends into the hollow conical cylinder (7);

the hollow cylindrical barrel (8) and the hollow conical barrel (7) are connected with a fixed barrel (11), and a movable plate (12) is slidably sleeved in a channel on the fixed barrel (11) through a driving assembly and used for sealing or opening and closing the channel on the fixed barrel (11);

the movable plate (12) is also communicated with a discharge pipe (10), the bottom of the discharge pipe (10) penetrates through the shell (1) and extends out of the shell, and the top of the discharge pipe (10) is communicated with the inside of the hollow cylindrical barrel (8);

the top of the shell (1) is communicated with a feeding pipe (9).

2. The shielding gas inlet device for the reaction kettle according to claim 1, wherein: the driving assembly is a gas spring (6), one end of the gas spring (6) is arranged on a hook (13) of the upper support at the bottom of the shell (1), and the other end of the gas spring (6) is arranged on the hook (13) at the bottom of the movable plate (12).

3. The shielding gas inlet device for the reaction kettle according to claim 1, wherein: the J-shaped pipes (5) are annularly distributed on the hollow conical cylinder (7).

4. The shielding gas inlet device for the reaction kettle according to claim 1, wherein: and a dynamic sealing structure is arranged at the joint of the outer wall of the discharge pipe (10) and the shell (1).

5. The shielding gas inlet device for the reaction kettle according to claim 2, wherein: and a dynamic sealing structure is also arranged at the joint of the gas spring (6) and the shell (1).

6. The shielding gas inlet device for the reaction kettle according to claim 2, wherein: the top of the round pipe (2) is communicated with an air inlet joint (3).

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