CN213746151U

CN213746151U - Energy-saving device for compressed gas constant-pressure pipeline

Info

Publication number: CN213746151U
Application number: CN202022786375.9U
Authority: CN
Inventors: 蒋勇
Original assignee: Wuhan Technology Co ltd
Current assignee: Wuhan Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-20
Anticipated expiration: 2030-11-26

Abstract

The application discloses compressed gas constant voltage pipeline economizer, including admission valve, air duct, first control air supply pipe, electrical control box, second control air supply pipe, go up pneumatic trip valve, pipeline relief pressure valve, relief valve, manometer, air outlet valve, pressure sensor, U type branch pipe, first manual valve, pneumatic film proportional valve, lower pneumatic trip valve, communicating pipe, control air supply pressure-reducing valve group and the manual valve of second. This application is rational in infrastructure, can realize that compressed air pipeline's output pressure is invariable, control and predetermined output flow, through with the air duct, go up pneumatic trip valve, pipeline relief pressure valve, relief valve and manometer as the by-pass, the by-pass front end is a last pneumatic trip valve, automatic shutoff when the pressure is high prevents that rear end pressure is too high, prevents that rear end pressure from superelevation, and protection system safety can improve compressed air pipeline energy saving rate according to the segmentation pressure control output of needs.

Description

Energy-saving device for compressed gas constant-pressure pipeline

Technical Field

The application relates to a pipeline energy-saving device, in particular to a compressed gas constant-pressure pipeline energy-saving device.

Background

Compressed air, that is, air compressed by external force, the air has compressibility, and the air after the mechanical work of the air compressor reduces its volume and increases its pressure is called compressed air, and compressed air is an important power source, and compared with other energy sources, it has the following obvious characteristics: the air-permeable fire-resistant composite material is clear and transparent, convenient to convey, free of special harmful performance, free of fire danger and overload, capable of working in various adverse environments, and inexhaustible air is available everywhere on the ground.

In a compressed air decompression system, compressed air cannot be well in a constant pressure state, the output efficiency is directly influenced, and meanwhile, the structural function of improving the energy saving rate of a compressed air pipeline by adopting a segmented pressure control output mode according to needs is lacked. Therefore, the compressed gas constant pressure pipeline energy-saving device is provided for solving the problems.

Disclosure of Invention

A compressed gas constant pressure pipeline energy-saving device comprises an air duct, an electric control box, a U-shaped branch pipe and a control gas source pressure reducing valve group, wherein the corresponding part of the air duct is communicated with the two end ports of the same U-shaped branch pipe respectively, the air duct is sequentially provided with an upper pneumatic stop valve, a pipeline pressure reducing valve, a safety valve and a pressure gauge, the U-shaped branch pipe is sequentially provided with a first manual valve, a pneumatic film proportional valve and a lower pneumatic stop valve, the corresponding end ports of the electric control box are respectively provided with one end of a first control gas source pipe and one end of two second control gas source pipes, the other end of the first control gas source pipe is connected with one end port of the second manual valve, the other end of the second control gas source pipe is connected with the corresponding end port of the upper pneumatic stop valve, and the other end of the second control gas source pipe is connected with the corresponding end port of the lower pneumatic stop valve, and one end port of the control air source pressure reducing valve group is mutually connected with the corresponding port of the pneumatic film proportional valve through a communicating pipe.

Furthermore, a pressure sensor is installed on an outer port of the first manual valve, and the pressure sensor is electrically connected with an electric control element inside the electric control box through a sensor signal line.

Furthermore, the port at the other end of the second manual valve is communicated with the corresponding part of the gas guide tube, and the inner side of the end of the first control gas source tube positioned at the port at the other end of the second manual valve is communicated with the corresponding port of the control gas source pressure reducing valve group.

Furthermore, an air inlet valve is installed at one end port of the air duct, and an air outlet valve is installed at the other end port of the air duct.

Furthermore, the pneumatic film proportional valve is electrically connected with an electric control element in the electric control box through a control line.

Further, go up pneumatic trip valve and lower pneumatic trip valve and be the pneumatic trip valve of same model.

The beneficial effect of this application is: the application provides a compressed air constant pressure pipeline economizer that can improve compressed air pipeline energy-saving rate.

Drawings

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

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic view of a connection structure of an airway tube and a U-shaped branch tube according to an embodiment of the present application;

fig. 3 is a schematic view of a connection structure of a pressure reducing valve set for controlling an air source according to an embodiment of the present application.

In the figure: 1. the pneumatic control system comprises an air inlet valve, 2, an air guide pipe, 3, a first control air source pipe, 4, an electric control box, 5, a second control air source pipe, 6, an upper pneumatic stop valve, 7, a pipeline pressure reducing valve, 8, a safety valve, 9, a pressure gauge, 10, an air outlet valve, 11, a pressure sensor, 12, a U-shaped branch pipe, 13, a first manual valve, 14, a pneumatic membrane proportional valve, 15, a lower pneumatic stop valve, 16, a communication pipe, 17, a control air source pressure reducing valve group, 18 and a second manual valve.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-3, a compressed gas constant pressure pipeline energy saving device comprises an air duct 2, an electrical control box 4, a U-shaped branch pipe 12 and a control gas source pressure reducing valve set 17, wherein corresponding parts of the air duct 2 are respectively communicated with two end ports of the same U-shaped branch pipe 12, an upper pneumatic stop valve 6, a pipeline pressure reducing valve 7, a safety valve 8 and a pressure gauge 9 are sequentially communicated and installed on the air duct 2, a first manual valve 13, a pneumatic membrane proportional valve 14 and a lower pneumatic stop valve 15 are sequentially communicated and installed on the U-shaped branch pipe 12, one end of a first control gas source pipe 3 and one end of two second control gas source pipes 5 are respectively installed at corresponding end ports of the electrical control box 4, the other end of the first control gas source pipe 3 is connected with one end port of a second manual valve 18, the other end of one of the second control gas source pipe 5 is connected with a corresponding end port of the upper pneumatic stop valve 6, and the other end of the second control air source pipe 5 is connected with a corresponding port of the lower pneumatic stop valve 15, and a port at one end of the control air source pressure reducing valve bank 17 is connected with a corresponding port of the pneumatic film proportional valve 14 through a communicating pipe 16.

A pressure sensor 11 is mounted on an outer port of the first manual valve 13, and the pressure sensor 11 is electrically connected with an electric control element inside the electric control box 4 through a sensor signal wire; the port at the other end of the second manual valve 18 is communicated with the corresponding part of the gas guide tube 2, and the inner side of the end of the first control gas source tube 3 positioned at the port at the other end of the second manual valve 18 is communicated with the corresponding port of the control gas source pressure reducing valve group 17; an air inlet valve 1 is installed at one end port of the air guide pipe 2, and an air outlet valve 10 is installed at the other end port of the air guide pipe 2; the pneumatic film proportional valve 14 is electrically connected with an electric control element inside the electric control box 4 through a control line; the upper pneumatic stop valve 6 and the lower pneumatic stop valve 15 are pneumatic stop valves of the same model.

When the pneumatic pressure relief valve is used, the U-shaped branch pipe 12, the lower pneumatic stop valve 15, the pneumatic film proportional valve 14 and the control air source pressure relief valve group 17 are used as a main passage, the lower pneumatic stop valve 15 is arranged at the front end of the main passage, and the lower pneumatic stop valve is automatically turned off when the pressure is high, so that the over-high pressure at the rear end is prevented; the middle part is a pneumatic film proportional valve 14, and compressed air required by the rear end is stably output through the opening degree of the pneumatic film proportional valve 14;

the air guide pipe 2, the upper pneumatic cut-off valve 6, the pipeline pressure reducing valve 7, the safety valve 8 and the pressure gauge 9 are used as a bypass, the upper pneumatic cut-off valve 6 is arranged at the front end of the bypass, and the upper pneumatic cut-off valve is automatically turned off when the pressure is high, so that the over-high pressure at the rear end is prevented; the middle part is provided with a pressure reducing valve, and the high-pressure gas is reduced to a set low-pressure value through a pipeline pressure reducing valve 7; the rear end is provided with a safety valve 8 which prevents the rear end from being ultrahigh in pressure and protects the safety of the system.

The application has the advantages that:

1. the structure of the device is reasonable, the U-shaped branch pipe 12, the lower pneumatic stop valve 15, the pneumatic film proportional valve 14 and the control air source pressure reducing valve bank 17 are used as a main passage, the lower pneumatic stop valve 15 is arranged at the front end of the main passage, and the device is automatically turned off when the pressure is high, so that the over-high pressure at the rear end is prevented; the middle part is a pneumatic film proportional valve 14, the compressed air required by the rear end is stably output through the opening degree of the pneumatic film proportional valve 14, and the constant output pressure, the control and the preset output flow of a compressed air pipeline can be realized;

2. the pneumatic pressure-reducing valve is reasonable in structure, the air guide pipe 2, the upper pneumatic cut-off valve 6, the pipeline pressure-reducing valve 7, the safety valve 8 and the pressure gauge 9 are used as a bypass, the upper pneumatic cut-off valve 6 is arranged at the front end of the bypass, and the pneumatic pressure-reducing valve is automatically turned off when the pressure is high, so that the rear end pressure is prevented from being too high; the middle part is provided with a pipeline pressure reducing valve 7, and the high-pressure gas is reduced to a set low-pressure value through the pipeline pressure reducing valve 7; the rear end is provided with a safety valve 8, the rear end is prevented from being ultrahigh in pressure, a system is protected to be safe, pressure is controlled and output in a segmented mode according to requirements, and the energy saving rate of a compressed air pipeline can be improved.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a compressed gas constant voltage pipeline economizer which characterized in that: comprises an air duct (2), an electric control box (4), a U-shaped branch pipe (12) and a control air source pressure reducing valve group (17), wherein the corresponding part of the air duct (2) is communicated with the ports at the two ends of the same U-shaped branch pipe (12) respectively, the air duct (2) is sequentially communicated with and provided with an upper pneumatic stop valve (6), a pipeline pressure reducing valve (7), a safety valve (8) and a pressure gauge (9), the U-shaped branch pipe (12) is sequentially communicated with and provided with a first manual valve (13), a pneumatic film proportional valve (14) and a lower pneumatic stop valve (15), the corresponding port of the electric control box (4) is respectively provided with one end of a first control air source pipe (3) and one end of two second control air source pipes (5), the other end of the first control air source pipe (3) is connected with one end of a second manual valve (18), one end of the second control air source pipe (5) is connected with the corresponding port of the upper pneumatic stop valve (6), and the other end of the second control air source pipe (5) is connected with a corresponding port of the lower pneumatic stop valve (15), and one end port of the control air source pressure reducing valve group (17) is connected with a corresponding port of the pneumatic film proportional valve (14) through a communicating pipe (16).

2. The energy-saving device for the compressed gas constant-pressure pipeline as claimed in claim 1, wherein: and a pressure sensor (11) is installed on an outer port of the first manual valve (13), and the pressure sensor (11) is electrically connected with an electric control element inside the electric control box (4) through a sensor signal line.

3. The energy-saving device for the compressed gas constant-pressure pipeline as claimed in claim 1, wherein: the port at the other end of the second manual valve (18) is communicated with the corresponding part of the air duct (2), and the inner side of the end of the first control air source pipe (3) positioned at the port at the other end of the second manual valve (18) is communicated with the corresponding port of the control air source pressure reducing valve group (17).

4. The energy-saving device for the compressed gas constant-pressure pipeline as claimed in claim 1, wherein: and an air inlet valve (1) is installed at one end port of the air duct (2), and an air outlet valve (10) is installed at the other end port of the air duct (2).

5. The energy-saving device for the compressed gas constant-pressure pipeline as claimed in claim 1, wherein: the pneumatic film proportional valve (14) is electrically connected with an electric control element in the electric control box (4) through a control line.

6. The energy-saving device for the compressed gas constant-pressure pipeline as claimed in claim 1, wherein: the upper pneumatic stop valve (6) and the lower pneumatic stop valve (15) are pneumatic stop valves of the same model.