CN219334157U

CN219334157U - Pressure detection device and chemical industry safety reaction cauldron

Info

Publication number: CN219334157U
Application number: CN202320342356.8U
Authority: CN
Inventors: 袁若水
Original assignee: Shandong Aofan New Materials Co ltd
Current assignee: Shandong Aofan New Materials Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-14
Anticipated expiration: 2033-02-28

Abstract

The utility model relates to the technical field of chemical production safety, in particular to a pressure detection device and a chemical safety reaction kettle, comprising: the inner shell base is fixedly connected with a base; the outer shell is connected with the outside of the inner shell in a sealing way, a negative pressure cabin is arranged between the outer shell and the inner shell, and the top end of the outer shell is connected with an exhaust pipe in a sealing way; the piston cavity is fixedly connected to the outer side wall of the shell, and the inner side of the bottom of the piston cavity is in sealing connection with the inside of the shell through a transmission pipe; the beneficial effects are as follows: the sealing valve is closed after the gas in the negative pressure cabin is extracted through the exhaust pipe, so that the negative pressure cabin is in a negative pressure state, when the inner shell leaks, the gas overflows to the negative pressure cabin, the negative pressure cabin is boosted, the gas enters the lower side of the inner part of the piston cavity through the transmission pipe, the pressure of the lower side of the piston cavity is raised to push the sealing piston to move upwards, the sealing piston extrudes the pressure sensor to generate an electric signal to be transmitted to the warning lamp, the warning function is realized, the sealing valve is opened again, the harmful gas in the negative pressure cabin is extracted through the exhaust pipe, and the leaked harmful gas is prevented from overflowing.

Description

Pressure detection device and chemical industry safety reaction cauldron

Technical Field

The utility model relates to the technical field of chemical production safety, in particular to a pressure detection device and a chemical safety reaction kettle.

Background

The reaction kettle is a container for mutual reaction between chemical substances, is a common mixed reaction device in chemical production, and is required to be used in processing of various chemical raw materials.

In the prior art, part of toxic gas can be generated in the reaction kettle in the chemical reaction process, and heat can be released or absorbed, and a pressure detection device is usually arranged and used for detecting the pressure in the reaction kettle in real time so as to warn whether the reaction kettle leaks or not and avoid the injury of the toxic gas to operators.

However, the pressure detection device is generally directly used for monitoring the pressure in the reaction kettle, and when the reaction kettle leaks, the pressure detection device can timely warn and timely seal off the reaction kettle, but part of harmful gas inevitably leaks, and potential safety hazards still exist.

Disclosure of Invention

The utility model aims to provide a pressure detection device and a chemical safety reaction kettle, which are used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a pressure detection device, comprising:

the inner shell is fixedly connected with a base;

the outer shell is connected with the outside of the inner shell in a sealing way, a negative pressure cabin is arranged between the outer shell and the inner shell, and the top end of the outer shell is connected with an exhaust pipe in a sealing way; a kind of electronic device with high-pressure air-conditioning system

The piston cavity is fixedly connected to the outer side wall of the shell, and the inner side of the bottom of the piston cavity is in sealing connection with the inside of the shell through a transmission pipe.

Preferably, the inner shell is made of high-strength metal, and the top end of the inner shell is provided with an opening and is sealed by a sealing cover.

Preferably, the bottom of the base is fixedly connected with the bottom of the inner side of the shell.

Preferably, the shell is made of high-strength metal, and the shell is connected below the opening of the inner shell in a sealing manner.

Preferably, a sealing valve is arranged on the exhaust pipe.

Preferably, the central position of the top end outside the piston cavity is provided with a warning lamp, the central position of the top end inside the piston cavity is provided with a pressure sensor, the pressure sensor is electrically connected with the warning lamp through an electric wire, and the electric wire penetrates through the box body at the upper end of the piston cavity.

Preferably, a through hole is formed in one side of the top end of the piston cavity box body, and a sealing piston is connected to the inner side wall of the piston cavity box body in a sliding manner.

The chemical safety reaction kettle comprises the pressure detection device.

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

according to the utility model, the gas in the negative pressure cabin is pumped out through the exhaust pipe, the sealing valve is closed, so that the negative pressure cabin is in a negative pressure state, when the inner shell leaks, the gas overflows to the negative pressure cabin, the negative pressure cabin is boosted, the gas enters the lower side of the interior of the piston cavity through the transmission pipe, the pressure of the lower side of the piston cavity is boosted to push the sealing piston to move upwards, the sealing piston is used for extruding the pressure sensor, an electric signal is generated and is transmitted to the warning lamp, the warning function is realized, the sealing valve is opened, the harmful gas in the negative pressure cabin is pumped out through the exhaust pipe, and the leaked harmful gas is prevented from overflowing.

Drawings

FIG. 1 is a subjective schematic of the overall structure of the present utility model;

FIG. 2 is a schematic view of the overall structure of the present utility model in semi-section;

fig. 3 is an enlarged view of the area a in fig. 2.

In the figure: 1. a through hole; 2. a warning light; 3. a pressure tank; 4. a transmission tube; 5. a housing; 6. an exhaust pipe; 7. a closing valve; 8. an inner case; 9. a base; 10. a negative pressure cabin; 11. a pressure sensor; 12. a sealing piston; 13. an electric wire.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 3, the present utility model provides a technical solution: a pressure detection device, comprising:

the inner shell 8, the base of the inner shell 8 is fixedly connected with a base 9; the inner shell 8 is made of high-strength metal, an opening is formed in the top end of the inner shell 8, and the inner shell is sealed through a sealing cover; the bottom of the base 9 is fixedly connected with the bottom of the inner side of the shell 5.

The outer shell 5 is connected with the outer part of the inner shell 8 in a sealing way, a negative pressure cabin 10 is arranged between the outer shell 5 and the inner shell 8, and the top end of the outer shell 5 is connected with an exhaust pipe 6 in a sealing way; the outer shell 5 is made of high-strength metal, and the outer shell 5 is connected below the opening of the inner shell 8 in a sealing way; the exhaust pipe 6 is provided with a sealing valve 7.

The piston cavity 3 is fixedly connected to the outer side wall of the shell 5, and the inner side of the bottom of the piston cavity 3 is in sealing connection with the interior of the shell 5 through the transmission pipe 4; the central position of the top end outside the piston cavity 3 is provided with a warning lamp 2, the central position of the top end inside the piston cavity 3 is provided with a pressure sensor 11, the pressure sensor 11 is electrically connected with the warning lamp 2 through an electric wire 13, and the electric wire 13 penetrates through the upper end box body of the piston cavity 3; through hole 1 has been seted up on piston chamber 3 box top one side, and piston chamber 3 box inner wall sliding connection has sealed piston 12.

The chemical safety reaction kettle comprises the pressure detection device.

When the device works, the sealing valve 7 is closed after the gas in the negative pressure chamber 10 is extracted through the exhaust pipe 6, so that the negative pressure chamber 10 is in a negative pressure state, when the inner shell 8 leaks, the gas overflows to the negative pressure chamber 10, the negative pressure chamber 10 is boosted, the gas enters the lower side in the piston chamber 3 through the transmission pipe 4, the lower side pressure of the piston chamber 3 is boosted to push the sealing piston 12 to move upwards, the pressure sensor 11 is extruded through the sealing piston 12, an electric signal is generated and transmitted to the warning lamp 2, the warning function is realized, the sealing valve 7 is opened again, the harmful gas in the negative pressure chamber 10 is extracted through the exhaust pipe 6, and the leaked harmful gas is prevented from overflowing.

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

Claims

1. A pressure sensing apparatus, characterized in that: comprising the following steps:

the inner shell (8), the base of the inner shell (8) is fixedly connected with a base (9);

the outer shell (5), the said outer shell (5) is connected with outside of inner shell (8) hermetically, there is a negative pressure cabin (10) in the middle of outer shell (5) and inner shell (8), the top end of the outer shell (5) is connected with the exhaust tube (6) hermetically; a kind of electronic device with high-pressure air-conditioning system

The piston cavity (3), piston cavity (3) fixed connection is on the lateral wall of shell (5), and piston cavity (3) bottom inboard is through transmission tube (4) and shell (5) inside sealing connection.

2. A pressure detection device according to claim 1, wherein: the inner shell (8) is made of high-strength metal, an opening is formed in the top end of the inner shell (8), and the inner shell is sealed through a sealing cover.

3. A pressure sensing apparatus as defined in claim 2, wherein: the bottom of the base (9) is fixedly connected with the bottom of the inner side of the shell (5).

4. A pressure sensing apparatus according to claim 3, wherein: the outer shell (5) is made of high-strength metal, and the outer shell (5) is connected below the opening of the inner shell (8) in a sealing manner.

5. A pressure sensing apparatus as defined in claim 4, wherein: the exhaust pipe (6) is provided with a sealing valve (7).

6. A pressure sensing apparatus as defined in claim 5, wherein: the novel intelligent alarm device is characterized in that an alarm lamp (2) is arranged at the center of the top end of the outside of the piston cavity (3), a pressure sensor (11) is arranged at the center of the top end of the inside of the piston cavity (3), the pressure sensor (11) is electrically connected with the alarm lamp (2) through a wire (13), and the wire (13) penetrates through the upper end box of the piston cavity (3).

7. A pressure sensing apparatus as defined in claim 6, wherein: through holes (1) are formed in one side of the top end of the box body of the piston cavity (3), and sealing pistons (12) are connected to the inner side wall of the box body of the piston cavity (3) in a sliding mode.

8. A chemical industry safety reaction cauldron, its characterized in that: comprising a pressure detection device according to any of the preceding claims 1-7.