CN214064866U - Liquid-gas phase change control device based on electric heating and electromagnetic valve technology - Google Patents

Abstract

The utility model discloses a liquid-gas phase change control device based on electric heating and electromagnetic valve technology, which relates to the technical field of liquid-gas phase change excitation and control; the electric heater is fixedly arranged in the expansion pipe and is connected with the control console through an electrode and a power line, the right end of the electric heater is fixedly sealed with the expansion pipe through a sealing thread, the electromagnetic valve is connected with the control console through the power line and is fixedly arranged at the pressure relief end of the expansion pipe through the sealing thread, the right side of the expansion pipe is fixedly provided with an inflation/deflation valve, the upper end of the inflation/deflation valve is fixedly provided with a pressure sensor, the pressure sensor is connected with the control console through a data line, and the left end of the expansion pipe is fixedly provided with an energy relief hole; the gas control device is precisely controllable, and can realize the gas control of the megapascal pressure with single digit standard through the combined application of an electric heater and an electromagnetic valve.

Description

Liquid-gas phase change control device based on electric heating and electromagnetic valve technology

Technical Field

The utility model belongs to the technical field of liquid-gas phase transition arouses and control, concretely relates to controlling means of liquid-gas phase transition based on electrical heating and solenoid valve technique.

Background

Due to the technical characteristics of the chemically-excited phase change, the excitation time is extremely short (usually measured in milliseconds), and the operation process is extremely difficult to control effectively, so that the application extension of the gas phase change technology is expanded, and the inherent defect exists particularly in the aspect of realizing automation control, so that the existing gas phase change technology can only be used for blasting, and the application of the gas phase change technology as a new energy source with large kinetic energy is limited.

The electric heating mode can extend the gas phase change process from millisecond of chemical excitation to ten seconds, and under the condition of adopting the traditional constant pressure rupture disc mode, the single-pipe operation can be applicable, but the phase change blasting which needs the multi-pipe synchronous operation is very difficult.

With the progress of the technology, the ultrahigh-voltage electromagnetic valve technology provides a technical and material basis for solving the problem, namely gas liquid-gas phase change is realized through electric heating so as to enable the gas to reach preset pressure; the second difference phenomenon in multi-pipe operation can be basically avoided through the closing/pressure relief of the electromagnetic valve, effective synchronous operation can be realized through accurate and effective control of phase change pressure, and a necessary basis is provided for remote automatic control.

The combined use of electrical heating and solenoid valve technology is a viable solution from the safety, economic, environmental and future automation aspects.

SUMMERY OF THE UTILITY MODEL

Aiming at solving the problems of the defects and the shortcomings of the prior art; the utility model aims to provide a liquid-gas phase change control device based on electric heating and electromagnetic valve technology, which has simple structure, reasonable design and convenient use, can be repeatedly used, can effectively reduce the use cost compared with a disposable product, and has higher economic benefit; the gas control device is precisely controllable, and can realize the gas control of the megapascal pressure with single digit standard through the combined application of an electric heater and an electromagnetic valve.

In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises an inflation/deflation valve, an electric heater, an electromagnetic valve, a console, an energy release hole, a pressure sensor, an expansion pipe, a sealing thread, an electrode, a power line and a data line; electric heater fixed mounting is inside in the inflation pipe to be connected with the control cabinet through electrode and power cord, electric heater's right-hand member is fixed airtight through sealed screw thread and inflation pipe, the solenoid valve passes through the power cord and is connected with the control cabinet to fix at inflation pipe pressure release end through sealed screw thread, the fixed air inflation/air lock valve that is provided with in right side of inflation pipe, the upper end fixed mounting who inflates/air lock valve has pressure sensor, pressure sensor passes through the data line and keeps being connected with the control cabinet, the left end of inflation pipe is fixed and is provided with the earial drainage hole, control cabinet and inflation pipe are isolating construction.

Preferably, an electric heater and an electromagnetic valve are used simultaneously, the electric heater is used to realize the phase change of the liquid gas, and the electromagnetic valve is used to control the sealing and the discharge of the gas.

Preferably, the console is connected with the electric heater through a power line; is connected with the electromagnetic valve through a power line; is connected with the pressure sensor through a data line.

Preferably, the expansion pipe material is one of a high-strength steel material, an aluminum alloy material, and a carbon fiber material.

Preferably, the electric heater adopts a heating rod or an electric heating wire, wherein the electric heating wire adopts a material with high temperature resistance and high strength such as corundum as a framework of the electric heating wire, and parameters in the aspects of size specification, power and the like are matched and adjusted according to specific working conditions such as an expansion pipe, the electric heater, an electromagnetic valve and the like.

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

firstly, the precise control of high-pressure gas is realized, and the application range and the automatic application level of the gas phase change technology are greatly expanded. Compared with the phase change blasting which is difficult to accurately master pressure change in the past, the utility model discloses a combination application of electric heater and solenoid valve, gaseous pressure is adjusted, and the pressure phase change to the release operation carries out accurate control (can realize the accuracy of megapascal level single digit standard even decimal point standard), makes gas phase change technique safer, economy, environmental protection, also makes the high-pressure gas up to hundreds of megapascals realize automation mechanized operation and other applications except blasting provide probably;

the safety performance is excellent, pure physical electric heating change and no chemical change exist, and accidental explosion caused by temperature, humidity, pressure and static electricity is avoided;

and thirdly, the use cost is lower. The product can be repeatedly used, and compared with a disposable product, the use cost is greatly reduced; the product performance can not be changed due to the factors such as the quality guarantee period, the storage condition and the like, and the management cost is reduced;

the change of the pressure in the pipe can be monitored in real time through the pressure sensor, so that the use is safer; the electromagnetic valve can be used for releasing pressure, so that accident potential possibly caused by gas phase-change excitation failure in the conventional mode can be avoided;

and fifthly, different parameter configurations can be carried out according to different operation environments to form series products, and large-scale production and professional application are realized.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the gas charging/closing device comprises a gas charging/closing valve 1, an electric heater 2, an electromagnetic valve 3, a console 4, an energy discharging hole 5, a pressure sensor 6, an expansion pipe 7, a sealing thread 8, an electrode 9, a power line 10 and a data line 11.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

As shown in fig. 1, the following technical solutions are adopted in the present embodiment: the device comprises an inflation/deflation valve 1, an electric heater 2, an electromagnetic valve 3, a console 4, an energy release hole 5, a pressure sensor 6, an expansion pipe 7, a sealing thread 8, an electrode 9, a power line 10 and a data line 11; 2 fixed mounting of electric heater is inside expansion pipe 7 to be connected with control cabinet 4 through electrode 9 and power cord 10, the right-hand member of electric heater 2 is fixed airtight through sealed screw thread 8 and expansion pipe 7, solenoid valve 3 is connected with control cabinet 4 through power cord 10 to fix at 7 pressure release ends of expansion pipe through sealed screw thread 8, the fixed gas valve 1 that aerifys/closing that is provided with in right side of expansion pipe 7, the upper end fixed mounting who aerifys/closes gas valve 1 has pressure sensor 6, pressure sensor 6 keeps being connected with control cabinet 4 through data line 11, the left end of expansion pipe 7 is fixed and is provided with let out ability hole 5, control cabinet 4 and expansion pipe 7 are the isolating construction.

Wherein, simultaneously using the electric heater 2 and the electromagnetic valve 3, realizing the phase change of the liquid gas by the electric heater 2, controlling the sealing and the discharge of the gas by the electromagnetic valve 3, and the console 4 is connected with the electric heater 2 through a power cord 10; is connected with the electromagnetic valve 3 through a power cord 10; connected to the pressure sensor 6 by a data line 11,

the expansion pipe 7 is made of one of high-strength steel, aluminum alloy and carbon fiber, the electric heater 2 adopts a heating rod or an electric heating wire, wherein the electric heating wire adopts a high-temperature-resistant and high-strength material such as corundum as a framework of the electric heating wire, and the parameters of the expansion pipe 7, the electric heater 2, the electromagnetic valve 3 and the like in the aspects of size specification, power and the like are matched and adjusted according to specific working conditions.

The working principle of the specific embodiment is as follows: when the expansion pipe works, the power supply of the electric heater 2 is switched on to generate high temperature, liquid-gas phase conversion is carried out on liquid gas in the expansion pipe 7 to form high-pressure gas, after the preset pressure value is reached, the electromagnetic valve 3 is opened, and the high-pressure gas in the pipe is discharged at high speed to form power with great energy.

The electric heater 2 is used for rapidly generating high temperature (in thousands of degrees centigrade) high heat to realize liquid-gas phase change (including but not limited to carbon dioxide, nitrogen and the like), so that the original liquid gas is converted into gas in a short time (in ten seconds), and the gas volume expands by 300-500 times; the electromagnetic valve 3 is closed/decompressed to control high-pressure gas with pressure of dozens to hundreds of megapascals.

The specific operation flow is as follows: before the electric heater 2 is powered on, a pressure value expected by work is set on the console 4, the electric operation is conducted again, the pressure sensor 6 monitors the change of the pressure in the pipe in real time, data are transmitted to the console 4 through the data line 11, after the expected pressure value is reached, the console 4 cuts off a heating power supply, the electromagnetic valve 3 is synchronously opened, and the gas phase change operation is completed.

The basic parameters of the induction control section in this embodiment are as follows:

output power: 1.5 KW-10 KW (parameter adjustment can be carried out according to actual conditions);

the temperature generated: about 1000 DEG C

The phase transition pressure achieved: the pressure in the pipe reaches more than 120MPa

Required time: within 60 seconds

The 5KW electric heater is configured, so that relatively complete gas phase change of liquid carbon dioxide (with the filling pressure of 10 MPa) of the expansion pipe can be realized within 50 seconds, and the pressure of about 40MPa or more is generated; through the control of the electromagnetic valve, the pressure can be quickly released at one time within one second, and effective operation air pressure and air volume are formed.

In practical application, parameter configuration can be performed according to specific working condition requirements.

The specific implementation mode completely does not violate the requirements prohibited or limited by any national laws and regulations, and has no hidden danger of social security and security; the product can be repeatedly used, can effectively reduce the use cost compared with a disposable product, and has higher economic benefit; the gas control of the megapascal pressure, which is a single-digit (even finer) standard, can be realized by the combined application of an electric heater and a solenoid valve, which are precisely controllable.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A liquid-gas phase change control device based on electric heating and electromagnetic valve technology is characterized in that: the device comprises an inflation/deflation valve (1), an electric heater (2), an electromagnetic valve (3), a console (4), an energy release hole (5), a pressure sensor (6), an expansion pipe (7), a sealing thread (8), an electrode (9), a power line (10) and a data line (11); the electric heater (2) is fixedly arranged in the expansion pipe (7) and is connected with the console (4) through an electrode (9) and a power line (10), the right end of the electric heater (2) is fixedly sealed with the expansion pipe (7) through a sealing thread (8), the electromagnetic valve (3) is connected with the console (4) through a power cord (10), and is fixed at the pressure relief end of the expansion pipe (7) through a sealing thread (8), the right side of the expansion pipe (7) is fixedly provided with an inflation/deflation valve (1), the upper end of the inflation/deflation valve (1) is fixedly provided with a pressure sensor (6), the pressure sensor (6) is connected with the console (4) through a data line (11), the left end of the expansion pipe (7) is fixedly provided with an energy release hole (5), and the control console (4) and the expansion pipe (7) are of a separation structure.

2. The liquid-gas phase change control device based on electric heating and solenoid valve technology as claimed in claim 1, wherein: meanwhile, the electric heater (2) and the electromagnetic valve (3) are used, the electric heater (2) is used for realizing phase change of liquid gas, and the electromagnetic valve (3) is used for controlling the sealing and the discharge of the gas.

3. The liquid-gas phase change control device based on electric heating and solenoid valve technology as claimed in claim 1, wherein: the console (4) is connected with the electric heater (2) through a power line (10); is connected with the electromagnetic valve (3) through a power cord (10); is connected with the pressure sensor (6) through a data line (11).

4. The liquid-gas phase change control device based on electric heating and solenoid valve technology as claimed in claim 1, wherein: the expansion pipe (7) is made of one of high-strength steel, aluminum alloy materials and carbon fiber materials.

5. The liquid-gas phase change control device based on electric heating and solenoid valve technology as claimed in claim 1, wherein: the electric heater (2) adopts a heating rod or an electric heating wire.

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