CN114669244A

CN114669244A - Charging system

Info

Publication number: CN114669244A
Application number: CN202011550064.0A
Authority: CN
Inventors: 郑洪伟; 唐毅; 李岗; 徐勇; 蒋玉超; 黄伟槟; 周远振
Original assignee: Zhonghao Chenguang Research Institute of Chemical Industry Co Ltd
Current assignee: Zhonghao Chenguang Research Institute of Chemical Industry Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2022-06-28

Abstract

The embodiment of the invention provides a charging system. This charging system includes: auxiliary agent jar, nitrogen gas tube and reation kettle, wherein, the nitrogen gas tube sets up on the auxiliary agent jar to pass through nitrogen gas tube fill in the auxiliary agent jar and right the auxiliary agent in the auxiliary agent jar exerts pressure, reation kettle with through auxiliary agent duct connections between the auxiliary agent jar, in order with auxiliary agent in the auxiliary agent jar is carried to reation kettle in. Compared with the prior art, the feeding system uses the pressure difference to convey the chemical reaction auxiliary agent from the auxiliary agent tank to the reaction kettle, and the gasification phenomenon of the chemical reaction auxiliary agent does not exist. And then the chemical reaction auxiliary agent can be accurately and quantitatively added into the reaction kettle to participate in the chemical reaction, so that the accuracy of the chemical reaction condition is effectively ensured.

Description

Charging system

Technical Field

The invention relates to the technical field of chemical production equipment, in particular to a feeding system.

Background

At present, in chemical production, a metering pump is generally used to add a chemical reaction auxiliary agent into a reaction kettle for chemical reaction. When the metering pump is used for adding the chemical reaction auxiliary agent, heat is generated due to work, and the temperature of the metering pump is further increased. For some chemical reaction auxiliary agents with lower boiling points, when the metering pump is used for conveying, the chemical reaction auxiliary agents with low boiling points are gasified due to the temperature rise of the metering pump, so that the chemical reaction auxiliary agents cannot be accurately and quantitatively added into the reaction kettle to participate in chemical reaction.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a charging system.

The invention provides a charging system, comprising: auxiliary agent jar, nitrogen gas filling pipe and reation kettle.

The nitrogen gas inflation pipe is arranged on the auxiliary agent tank, so that nitrogen gas is filled into the auxiliary agent tank through the nitrogen gas inflation pipe and exerts pressure on the auxiliary agent in the auxiliary agent tank, the reaction kettle is connected with the auxiliary agent tank through the auxiliary agent conveying pipe, and the auxiliary agent in the auxiliary agent tank is conveyed into the reaction kettle.

According to the feeding system provided by the invention, the auxiliary agent tank is provided with the emptying pipe and the auxiliary agent adding pipe.

The auxiliary agent adding device comprises an auxiliary agent adding pipe, an emptying pipe and an auxiliary agent adding control valve, wherein the emptying pipe is provided with an emptying valve, and the auxiliary agent adding pipe is provided with an auxiliary agent adding control valve.

According to the feeding system provided by the invention, the auxiliary agent conveying pipe between the auxiliary agent tank and the reaction kettle is provided with the pneumatic valve for controlling the amount of the auxiliary agent fed into the reaction kettle.

According to the feeding system provided by the invention, the auxiliary agent conveying pipe between the auxiliary agent tank and the pneumatic valve is a first auxiliary agent conveying pipe, and the auxiliary agent conveying pipe between the pneumatic valve and the reaction kettle is a second auxiliary agent conveying pipe.

And a self-balancing valve is arranged between the first auxiliary agent conveying pipe and the auxiliary agent tank so as to discharge air in the first auxiliary agent conveying pipe to the upper part of the auxiliary agent in the auxiliary agent tank.

According to the feeding system provided by the invention, the second auxiliary agent conveying pipe is connected with an inert medium input pipe, and an inert medium control valve is arranged on the inert medium input pipe.

According to the feeding system provided by the invention, an auxiliary agent outlet control valve is arranged on the first auxiliary agent conveying pipe and at the outlet of the auxiliary agent tank.

According to the feeding system provided by the invention, the nitrogen gas filling pipe is provided with the first one-way valve, and the second one-way valve is arranged on the second auxiliary agent conveying pipe and at the inlet of the reaction kettle.

According to the feeding system provided by the invention, a flowmeter is further arranged on the first auxiliary agent conveying pipe.

According to the feeding system provided by the invention, the auxiliary agent tank is provided with the pressure gauge.

According to the feeding system provided by the invention, a liquid level meter is further arranged on the auxiliary agent tank.

In the feeding system provided by the invention, the nitrogen gas filling pipe is arranged on the auxiliary agent tank, and the auxiliary agent conveying pipe is connected between the reaction kettle and the auxiliary agent tank. The auxiliary agent tank is filled with auxiliary agent. And nitrogen is filled into the auxiliary agent tank through the nitrogen inflation pipe, and pressure is applied to the auxiliary agent in the auxiliary agent tank. And the auxiliary agent in the auxiliary agent tank is conveyed to the reaction kettle through the auxiliary agent conveying pipe under the pressure action of nitrogen for participating in chemical reaction.

Compared with the prior art, the feeding system uses the pressure difference to convey the chemical reaction auxiliary agent from the auxiliary agent tank to the reaction kettle, and the gasification phenomenon of the chemical reaction auxiliary agent does not exist. And then the chemical reaction auxiliary agent can be accurately and quantitatively added into the reaction kettle to participate in the chemical reaction, so that the accuracy of the chemical reaction condition is effectively ensured.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions in the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic system diagram of a loading system provided by the present invention.

Reference numerals:

100: an auxiliary agent tank; 101: an additive addition pipe;

102: an additive addition control valve; 103: an additive outlet control valve;

104: a pressure gauge; 105: a liquid level meter;

200: a nitrogen gas filling pipe; 201: a first check valve;

300: a reaction kettle; 301: a second one-way valve;

400: emptying the pipe; 401: an evacuation valve;

500: a pneumatic valve; 601: a first additive delivery pipe;

602: a second additive conveying pipe; 603: a flow meter;

700: a self-balancing valve; 800: an inert medium input pipe;

801: an inert medium control valve.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification to make the purpose, technical solution, and advantages of the embodiments of the present invention more clear, and the technical solution 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 a part of embodiments of the present invention, but not all 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.

A charging system according to an embodiment of the present invention is described below with reference to fig. 1. It should be understood that the following description is only exemplary embodiments of the present invention and does not constitute any particular limitation of the present invention.

An embodiment of the present invention provides a charging system, as shown in fig. 1, comprising: auxiliary agent jar 100, nitrogen gas filling pipe 200 and reation kettle 300.

Wherein the nitrogen gas filling pipe 200 is provided on the auxiliary agent tank 100 to fill nitrogen gas into the auxiliary agent tank 100 through the nitrogen gas filling pipe 200 and to apply pressure to the auxiliary agent in the auxiliary agent tank 100. The reaction kettle 300 is connected with the auxiliary agent tank 100 through an auxiliary agent conveying pipe, so that the auxiliary agent in the auxiliary agent tank 100 is conveyed into the reaction kettle 300.

In the feeding system, an auxiliary agent is filled in an auxiliary agent tank 100, and a nitrogen gas filling pipe 200 is arranged on the auxiliary agent tank 100. An auxiliary agent delivery pipe is connected between the reaction kettle 300 and the auxiliary agent tank 100. Nitrogen gas is filled into the auxiliary tank 100 from the nitrogen gas filling pipe 200, and pressure is applied to the auxiliary in the auxiliary tank 100. The auxiliary agent in the auxiliary agent tank 100 is transferred into the reaction kettle 300 through the auxiliary agent transfer pipe to perform a chemical reaction under the action of the pressure difference.

Compared with the prior art, the feeding system uses the pressure difference to convey the chemical reaction auxiliary agent from the auxiliary agent tank 100 to the reaction kettle 300, and the gasification phenomenon of the chemical reaction auxiliary agent does not exist. And then the chemical reaction auxiliary agent can be accurately and quantitatively added into the reaction kettle 300 to participate in the chemical reaction, thereby effectively ensuring the accuracy of the chemical reaction condition.

In one embodiment of the invention, the auxiliary agent tank 100 is provided with an evacuation pipe 400 and an auxiliary agent addition pipe 101.

Wherein, the evacuation pipe 400 is provided with an evacuation valve 401. An auxiliary agent addition control valve 102 is provided in the auxiliary agent addition pipe 101.

Specifically, as shown in fig. 1, a nitrogen gas fill tube 200 is provided on the auxiliary tank 100 to fill nitrogen gas into the auxiliary tank 100 through the nitrogen gas fill tube 200 and to apply pressure to the auxiliary in the auxiliary tank 100. The reaction kettle 300 is connected with the additive tank 100 through an additive conveying pipe, so that the additive in the additive tank 100 is conveyed into the reaction kettle 300. The auxiliary agent tank 100 is also provided with an evacuation pipe 400 and an auxiliary agent addition pipe 101. An evacuation valve 401 is provided in the evacuation pipe 400. An auxiliary agent addition control valve 102 is provided in the auxiliary agent addition pipe 101.

When chemical agent addition is performed, the evacuation valve 401 in the evacuation pipe 400 and the agent addition control valve 102 in the agent addition pipe 101 are first opened, and then the agent is added into the agent tank 100 through the agent addition pipe 101. When the additive is added to the preset level value, the evacuation valve 401 and the additive addition control valve 102 are closed. Nitrogen is then filled from nitrogen fill tube 200 above the additive in additive tank 100 to apply pressure to the additive. The auxiliary agent in the auxiliary agent tank 100 is conveyed to the reaction kettle 300 through the auxiliary agent conveying pipe under the action of pressure difference to participate in chemical reaction.

In one embodiment of the present invention, a pneumatic valve 500 for controlling the amount of the auxiliary agent fed into the reaction vessel 300 is installed on the auxiliary agent transfer pipe between the auxiliary agent tank 100 and the reaction vessel 300.

As shown in fig. 1, a nitrogen gas fill line 200 is provided on the auxiliary tank 100 to fill nitrogen gas into the auxiliary tank 100 through the nitrogen gas fill line 200 and to apply pressure to the auxiliary in the auxiliary tank 100. The reaction kettle 300 is connected with the auxiliary agent tank 100 through an auxiliary agent conveying pipe, so that the auxiliary agent in the auxiliary agent tank 100 is conveyed into the reaction kettle 300. Meanwhile, an air-operated valve 500 is also installed on the additive delivery pipe. The auxiliary agent tank 100 is also provided with an evacuation pipe 400 and an auxiliary agent addition pipe 101. An evacuation valve 401 is provided in the evacuation pipe 400. An auxiliary agent addition control valve 102 is provided in the auxiliary agent addition pipe 101.

In use, the evacuation valve 401 on the evacuation pipe 400 and the additive addition control valve 102 on the additive addition pipe 101 are first opened, and then the additive is added into the additive tank 100 through the additive addition pipe 101. When the additive is added to the preset level value, the evacuation valve 401 and the additive addition control valve 102 are closed. Nitrogen is then filled from the nitrogen fill tube 200 above the additive in the additive tank 100 to apply pressure to the additive. The pneumatic valve 500 is opened, and the auxiliary agent in the auxiliary agent tank 100 is conveyed to the reaction kettle 300 through the auxiliary agent conveying pipe under the action of the pressure difference to participate in the chemical reaction. When the amount of the assistant transferred to the reaction kettle 300 reaches a preset value, the pneumatic valve 500 is closed.

In one embodiment of the present invention, the additive delivery line between the additive tank 100 and the pneumatic valve 500 is a first additive delivery line 601. The additive delivery pipe between the pneumatic valve 500 and the reaction kettle 300 is a second additive delivery pipe 602.

A self-balancing valve 700 is installed between the first auxiliary agent delivery pipe 601 and the auxiliary agent tank 100 to allow air in the first auxiliary agent delivery pipe 601 to be discharged above the auxiliary agent in the auxiliary agent tank 100.

For example, as shown in FIG. 1, a nitrogen fill tube 200 is provided on the additive tank 100 to fill nitrogen into the additive tank 100 through the nitrogen fill tube 200 and to apply pressure to the additive within the additive tank 100. An emptying pipe 400 and an additive adding pipe 101 are further arranged on the additive tank 100, an emptying valve 401 is arranged on the emptying pipe 400, and an additive adding control valve 102 is arranged on the additive adding pipe 101, so that the additives can be smoothly added into the additive tank 100.

A first additive conveying pipe 601 and a second additive conveying pipe 602 are arranged between the reaction kettle 300 and the additive tank 100. The first additive delivery pipe 601 and the second additive delivery pipe 602 are communicated with each other. Wherein, one end of the first additive delivery pipe 601 is connected with the outlet of the additive tank 100, and the other end of the first additive delivery pipe 601 is connected with the inlet of the pneumatic valve 500; one end of the second additive delivery pipe 602 is connected to the outlet of the pneumatic valve 500, and the other end of the second additive delivery pipe 602 is connected to the inlet of the reaction kettle 300, so as to deliver the additive in the additive tank 100 into the reaction kettle 300.

Further, a self-balancing valve 700 is installed between the first auxiliary agent transfer pipe 601 and the auxiliary agent tank 100 so that air in the first auxiliary agent transfer pipe 601 can be discharged to the upper side of the auxiliary agent in the auxiliary agent tank 100.

In use, first, the evacuation valve 401 on the evacuation pipe 400 and the auxiliary agent addition control valve 102 on the auxiliary agent addition pipe 101 are opened, and then the auxiliary agent is added into the auxiliary agent tank 100 through the auxiliary agent addition pipe 101. When the auxiliary agent is added to the preset liquid level value, the evacuation valve 401 and the auxiliary agent addition control valve 102 are closed.

Subsequently, the nitrogen gas filling pipe 200 is connected, the self-balancing valve 700 is opened and left for a while, and the air inside the first auxiliary agent conveying pipe 601 is discharged to the upper side of the auxiliary agent in the auxiliary agent tank 100 by its own weight.

The self-balancing valve 700 is closed, the pneumatic valve 500 is opened, the auxiliary agent tank 100 is filled with nitrogen, and the auxiliary agent in the auxiliary agent tank 100 is finally transferred to the reaction kettle 300 to participate in the chemical reaction through the first auxiliary agent transfer pipe 601 and the second auxiliary agent transfer pipe 602 under the action of the pressure difference. When the amount of the assistant transferred to the reaction kettle 300 reaches a preset value, the pneumatic valve 500 is closed.

In one embodiment of the present invention, an inert medium input pipe 800 is connected to the second auxiliary agent delivery pipe 602, and an inert medium control valve 801 is installed on the inert medium input pipe 800.

Specifically, as shown in fig. 1, a nitrogen gas fill tube 200 is provided on the auxiliary tank 100 to fill nitrogen gas into the auxiliary tank 100 through the nitrogen gas fill tube 200 and to apply pressure to the auxiliary in the auxiliary tank 100. An emptying pipe 400 and an additive adding pipe 101 are further arranged on the additive tank 100, an emptying valve 401 is arranged on the emptying pipe 400, and an additive adding control valve 102 is arranged on the additive adding pipe 101 so as to smoothly add the additives into the additive tank 100.

A first additive conveying pipe 601 and a second additive conveying pipe 602 are arranged between the reaction kettle 300 and the additive tank 100. The first additive delivery pipe 601 and the second additive delivery pipe 602 are communicated with each other. Wherein, one end of the first additive delivery pipe 601 is connected with the outlet of the additive tank 100, and the other end of the first additive delivery pipe 601 is connected with the inlet of the pneumatic valve 500; one end of the second additive delivery pipe 602 is connected to the outlet of the pneumatic valve 500, and the other end of the second additive delivery pipe 602 is connected to the inlet of the reaction vessel 300, so as to deliver the additive in the additive tank 100 to the reaction vessel 300.

Further, a self-balancing valve 700 is installed between the first auxiliary agent transfer pipe 601 and the auxiliary agent tank 100 so that air in the first auxiliary agent transfer pipe 601 can be discharged to the upper side of the auxiliary agent in the auxiliary agent tank 100. An inert medium inlet pipe 800 is connected to the second auxiliary agent transfer pipe 602, and an inert medium control valve 801 is attached to the inert medium inlet pipe 800.

In use, first, the evacuation valve 401 of the evacuation pipe 400 and the additive addition control valve 102 of the additive addition pipe 101 are opened, and then the additive is added to the additive tank 100 through the additive addition pipe 101. When the auxiliary agent is added to the preset liquid level value, the evacuation valve 401 and the auxiliary agent addition control valve 102 are closed.

Closing the self-balancing valve 700, opening the pneumatic valve 500, introducing nitrogen into the auxiliary agent tank 100, and finally conveying the auxiliary agent in the auxiliary agent tank 100 into the reaction kettle 300 to participate in the chemical reaction through the first auxiliary agent conveying pipe 601 and the second auxiliary agent conveying pipe 602 under the action of the pressure difference. When the amount of the assistant transferred to the reaction kettle 300 reaches a preset value, the pneumatic valve 500 is closed.

Then, the inert medium control valve 801 is opened, so that the inert medium is input into the second auxiliary agent conveying pipe 602 through the inert medium input pipe 800, so as to flush the auxiliary agent remained in the second auxiliary agent conveying pipe 602 into the reaction kettle 300.

It should be noted herein that the inert medium refers to a medium having no influence on the chemical reaction in the reaction tank 300. For example, in one embodiment of the present invention, the inert medium may be deionized water.

According to the above-described embodiment, the inert medium input pipe 800 and the inert medium control valve 801 are provided in the feeding system, so that all the auxiliary agent remaining in the second auxiliary agent conveying pipe 602 can be flushed into the reaction kettle 300, and the accuracy of the addition amount of the auxiliary agent in the reaction kettle 300 is further improved.

In one embodiment of the invention, an auxiliary agent outlet control valve 103 is mounted on the first auxiliary agent delivery pipe 601 at the outlet of the auxiliary agent tank 100.

An auxiliary agent outlet control valve 103 is attached to the first auxiliary agent transfer pipe 601 at the outlet of the auxiliary agent tank 100. A self-balancing valve 700 is installed between the first auxiliary agent transfer pipe 601 and the auxiliary agent tank 100 to enable air in the first auxiliary agent transfer pipe 601 to be discharged above the auxiliary agent in the auxiliary agent tank 100. An inert medium inlet pipe 800 is connected to the second auxiliary agent transfer pipe 602, and an inert medium control valve 801 is attached to the inert medium inlet pipe 800.

Subsequently, the nitrogen gas filling pipe 200 is connected, the auxiliary agent outlet control valve 103 is opened, the self-balancing valve 700 is opened and is left for a while, and the air inside the first auxiliary agent conveying pipe 601 is discharged to the upper side of the auxiliary agent in the auxiliary agent tank 100 by means of the self-gravity.

Then, the inert medium control valve 801 is opened, so that the inert medium is fed into the second auxiliary agent feed pipe 602 through the inert medium feed pipe 800, so as to flush the auxiliary agent remaining in the second auxiliary agent feed pipe 602 into the reaction tank 300.

In one embodiment of the present invention, a first check valve 201 is provided on the nitrogen gas filling pipe 200, and a second check valve 301 is provided on the second auxiliary agent delivery pipe 602 at the inlet of the reaction vessel 300.

For example, as shown in fig. 1, a nitrogen gas filling pipe 200 is provided on the auxiliary tank 100, and a first check valve 201 is provided on the nitrogen gas filling pipe 200. An emptying pipe 400 and an additive adding pipe 101 are further arranged on the additive tank 100, an emptying valve 401 is arranged on the emptying pipe 400, and an additive adding control valve 102 is arranged on the additive adding pipe 101 so as to smoothly add the additives into the additive tank 100.

A first additive conveying pipe 601 and a second additive conveying pipe 602 are arranged between the reaction kettle 300 and the additive tank 100. The first additive delivery pipe 601 and the second additive delivery pipe 602 are communicated with each other. One end of the first additive delivery pipe 601 is connected with an outlet of the additive tank 100, and the other end of the first additive delivery pipe 601 is connected with an inlet of the pneumatic valve 500; one end of the second additive delivery pipe 602 is connected to the outlet of the pneumatic valve 500, and the other end of the second additive delivery pipe 602 is connected to the inlet of the reaction kettle 300, so as to deliver the additive in the additive tank 100 into the reaction kettle 300.

An auxiliary agent outlet control valve 103 is attached to the first auxiliary agent transfer pipe 601 at the outlet of the auxiliary agent tank 100. A self-balancing valve 700 is installed between the first auxiliary agent transfer pipe 601 and the auxiliary agent tank 100 to enable air in the first auxiliary agent transfer pipe 601 to be discharged above the auxiliary agent in the auxiliary agent tank 100. An inert medium input pipe 800 is connected to the second auxiliary agent delivery pipe 602, and an inert medium control valve 801 is attached to the inert medium input pipe 800. Meanwhile, a second check valve 301 is installed on the second additive delivery pipe 602 and at the inlet of the reaction kettle 300.

In use, first, the evacuation valve 401 of the evacuation pipe 400 and the additive addition control valve 102 of the additive addition pipe 101 are opened, and then the additive is added to the additive tank 100 through the additive addition pipe 101. When the additive is added to the preset level value, the evacuation valve 401 and the additive addition control valve 102 are closed.

Closing the self-balancing valve 700, opening the pneumatic valve 500, allowing nitrogen to enter the auxiliary agent tank 100 through the first one-way valve 201, allowing the auxiliary agent in the auxiliary agent tank 100 to pass through the second auxiliary agent delivery pipe 602 and the second one-way valve 301 via the first auxiliary agent delivery pipe 601 under the action of pressure difference, and then delivering the auxiliary agent to the reaction kettle 300 for participating in chemical reaction. When the amount of the assistant transferred to the reaction kettle 300 reaches a preset value, the pneumatic valve 500 is closed.

In one embodiment of the invention, a flow meter 603 is also arranged on the first additive conveying pipe 601.

The nitrogen gas filling pipe 200 is arranged on the auxiliary agent tank 100, and a first one-way valve 201 is arranged on the nitrogen gas filling pipe 200. An emptying pipe 400 and an additive adding pipe 101 are further arranged on the additive tank 100, an emptying valve 401 is arranged on the emptying pipe 400, and an additive adding control valve 102 is arranged on the additive adding pipe 101 so as to smoothly add the additives into the additive tank 100.

An auxiliary agent outlet control valve 103 is attached to the first auxiliary agent transfer pipe 601 at the outlet of the auxiliary agent tank 100. A self-balancing valve 700 is installed between the first auxiliary agent transfer pipe 601 and the auxiliary agent tank 100 to enable air in the first auxiliary agent transfer pipe 601 to be discharged above the auxiliary agent in the auxiliary agent tank 100. The first additive delivery pipe 601 is also provided with a flow meter 603. An inert medium inlet pipe 800 is connected to the second auxiliary agent transfer pipe 602, and an inert medium control valve 801 is attached to the inert medium inlet pipe 800. Meanwhile, a second check valve 301 is installed on the second additive delivery pipe 602 and at the inlet of the reaction kettle 300.

According to the above-described embodiment, the flow meter 603 is provided on the first additive delivery pipe 601, and the amount of the additive delivered to the second additive delivery pipe 602 can be accurately determined. When the amount of the additive introduced into the second additive delivery pipe 602 reaches a preset value, the air-operated valve 500 is closed. Thereby more accurately controlling the amount of the auxiliary agent introduced into the reaction kettle 300.

In one embodiment of the invention, a pressure gauge 104 is mounted on the auxiliary agent tank 100.

In yet another embodiment of the present invention, a level gauge 105 is also mounted on the auxiliary 100 tank.

As shown in fig. 1, a nitrogen gas filling pipe 200 is provided on the auxiliary agent tank 100, and a first check valve 201 is provided on the nitrogen gas filling pipe 200. The auxiliary agent tank 100 is further provided with an evacuation pipe 400 and an auxiliary agent addition pipe 101, the evacuation pipe 400 is provided with an evacuation valve 401, and the auxiliary agent addition pipe 101 is provided with an auxiliary agent addition control valve 102. A liquid level meter 105 and a pressure gauge 104 are installed on the auxiliary agent tank 100.

A first additive conveying pipe 601 and a second additive conveying pipe 602 are arranged between the reaction kettle 300 and the additive tank 100. The first additive delivery pipe 601 and the second additive delivery pipe 602 are communicated with each other. Wherein, one end of the first additive delivery pipe 601 is connected with the outlet of the additive tank 100, and the other end of the first additive delivery pipe 601 is connected with the inlet of the pneumatic valve 500; one end of the second additive delivery pipe 602 is connected to the outlet of the pneumatic valve 500, and the other end of the second additive delivery pipe 602 is connected to the inlet of the reaction kettle 300.

An auxiliary agent outlet control valve 103 is attached to the first auxiliary agent transfer pipe 601 at the outlet of the auxiliary agent tank 100. A self-balancing valve 700 is installed between the first aid transfer pipe 601 and the aid tank 100. The first additive delivery pipe 601 is also provided with a flow meter 603. An inert medium inlet pipe 800 is connected to the second auxiliary agent transfer pipe 602, and an inert medium control valve 801 is attached to the inert medium inlet pipe 800. Meanwhile, a second check valve 301 is installed on the second additive delivery pipe 602 and at the inlet of the reaction kettle 300.

According to the above described embodiment, the auxiliary agent tank 100 in the charging system is provided with a liquid level meter 105 and a pressure gauge 104. The level meter 105 can detect the amount of the auxiliary in the auxiliary tank 100, and when the amount of the auxiliary is lower than the minimum value of the set threshold, the auxiliary addition control valve 102 and the evacuation valve 401 are opened, and an appropriate amount of the auxiliary is added to the auxiliary tank 100. When the amount of the auxiliary reaches the maximum value of the set threshold value, the auxiliary addition control valve 102 and the evacuation valve 401 are closed, and the addition of the auxiliary in the auxiliary tank 100 is stopped. The pressure gauge 104 can detect a pressure difference between the auxiliary agent tank 100 and the reaction kettle 300, and further control a flow rate of nitrogen gas filled in the auxiliary agent tank 100 to change the pressure difference between the auxiliary agent tank 100 and the reaction kettle 300, so that the auxiliary agent in the auxiliary agent tank 100 is smoothly conveyed into the reaction kettle 300.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A charging system, comprising: an auxiliary agent tank, a nitrogen gas filling pipe and a reaction kettle,

the nitrogen gas inflation pipe is arranged on the auxiliary agent tank, so that nitrogen gas is filled into the auxiliary agent tank through the nitrogen gas inflation pipe and applies pressure to the auxiliary agent in the auxiliary agent tank, and the reaction kettle is connected with the auxiliary agent tank through the auxiliary agent conveying pipe, so that the auxiliary agent in the auxiliary agent tank is conveyed into the reaction kettle.

2. The charging system according to claim 1, characterized in that an emptying pipe and an additive adding pipe are provided on said additive tank,

the auxiliary agent adding pipe is provided with an auxiliary agent adding control valve.

3. The charging system according to claim 1, wherein a pneumatic valve for controlling the amount of the auxiliary agent fed into said reaction vessel is installed on said auxiliary agent delivery pipe between said auxiliary agent tank and said reaction vessel.

4. The charging system according to claim 3, wherein said additive delivery pipe between said additive tank and said pneumatic valve is a first additive delivery pipe, said additive delivery pipe between said pneumatic valve and said reaction vessel is a second additive delivery pipe,

5. The charging system according to claim 4, wherein an inert medium input pipe is connected to said second auxiliary agent delivery pipe, and an inert medium control valve is mounted on said inert medium input pipe.

6. The charging system according to claim 4, characterized in that an additive outlet control valve is mounted on said first additive delivery pipe at the outlet of said additive tank.

7. The charging system according to claim 4, wherein a first check valve is provided on said nitrogen gas-filled pipe, and a second check valve is provided on said second auxiliary agent-conveying pipe at an inlet of said reaction vessel.

8. The charging system according to claim 4, characterized in that a flow meter is further provided on said first auxiliary agent delivery pipe.

9. The charging system according to claim 1, characterized in that a pressure gauge is installed on said auxiliary agent tank.

10. The charging system according to claim 1, characterized in that a level gauge is also mounted on said auxiliary agent tank.