CN216116382U - Hydrogen flame instrument detection device - Google Patents

Abstract

The utility model relates to a hydrogen flame instrument detection device, wherein a combustion cabinet is arranged on one side of a hydrogen steel cylinder, cabinet boxes are arranged on two sides of the combustion cabinet, a steel cylinder main valve is arranged on the hydrogen steel cylinder, a pressure reducer is arranged at an air outlet of the hydrogen steel cylinder, the steel cylinder main valve is matched with the pressure reducer, a total pressure meter, a partial pressure meter, a pressure regulating valve, a gas output valve and a back-fire valve for a meter are arranged on the pressure reducer, the back-fire valve for the meter is connected with a gas connecting pipe in an inserting manner, the other end of the gas connecting pipe is connected with a flame gun in an inserting manner, the flame gun is provided with an oxygen end valve, the back end of the flame gun is provided with the back-fire valve and an ignition valve for the gun, the front end of the flame gun is provided with a porous flame thrower, and the porous flame thrower is arranged on a bottom panel of the cabinet boxes. The utility model reduces the production danger and improves the operation and equipment safety and the test efficiency.

Description

Hydrogen flame instrument detection device

Technical Field

The utility model belongs to the technical field of flame detection equipment, and particularly relates to a hydrogen flame instrument detection device.

Background

At present, hydrogen flame detection is carried out on hydrogen flame instruments before the hydrogen flame instruments are put into the market, most of conventional detection equipment only comprises ignition guns and gas cylinders, so that the hydrogen flame instruments are in some defects in the parts of life safety protection of workers and property loss of the state, and the current situation of low test efficiency exists.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a hydrogen flame instrument detection device which can reduce the production risk and improve the operation and equipment safety and test efficiency.

According to the technical scheme provided by the utility model, the flame instrument detection device comprises a hydrogen steel cylinder, a steel cylinder main valve, a combustion cabinet, a cabinet box, a pressure reducer, a total pressure meter, a partial pressure meter, a pressure regulating valve, a gas output valve, a meter tempering valve, a gas connecting pipe, a flame gun, a gun tempering valve, an ignition valve and a porous flame thrower;

one side of hydrogen steel bottle is equipped with the combustion cabinet, the both sides of combustion cabinet are equipped with the cabinet case, install the steel bottle main valve on the hydrogen steel bottle, the pressure reducer is installed to the gas outlet at the hydrogen steel bottle, the steel bottle main valve cooperates with the pressure reducer, be equipped with total pressure table on the pressure reducer, the partial pressure table, the air-vent valve, gas output valve and table are with the back fire valve, table is connected with gas connection pipe adoption plug-in type, gas connection pipe's the other end and flame gun adopt plug-in type to be connected, the flame gun has oxygen end valve, be equipped with for the rifle back fire valve and ignition valve at the rear end of flame gun, be equipped with porous flame thrower at the front end of flame gun, and porous flame thrower assembles on the bottom panel of cabinet case.

Preferably, a meter tempering valve is transversely installed at the front end of the pressure reducer.

Preferably, the gas connecting pipe is locked with the tempering valve for the watch by using a hose band, and the flame gun is locked with the gas connecting pipe by using a hose band.

Compared with the prior art, the utility model has the following advantages:

1. because the back fire valve for the meter is transversely assembled on the pressure reducer of the hydrogen steel cylinder, flame can be prevented from entering the hydrogen steel cylinder when hydrogen back fire occurs, the possibility that personnel and national property safety are threatened due to explosion of the hydrogen steel cylinder is prevented, and the safety is improved.

2. The utility model transversely assembles the tempering valve for the gun at the rear end of the flame gun of the combustion cabinet, so that when hydrogen tempering occurs at the flame gun, flame can be prevented from entering the hydrogen steel cylinder, and the possibility that personnel and national property safety are threatened due to the explosion of the hydrogen steel cylinder is prevented, thereby improving the safety.

3. The flame gun of the combustion cabinet adopts the porous flame thrower, so that the distribution area of hydrogen flame is more uniform and the ignition area is larger due to the adoption of the porous flame thrower, and the detection of a flame instrument is more convenient and effective.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

Fig. 4 is a structural view of the cylinder holder.

Fig. 5 is a block diagram of a lighter with a long stick.

Detailed Description

The present invention will be further described with reference to the following specific examples.

The flame instrument detection device comprises a hydrogen steel cylinder 1, a steel cylinder main valve 1.1, a combustion cabinet 2, a cabinet box 2.1, a pressure reducer 3, a total pressure meter 4, a partial pressure meter 5, a pressure regulating valve 6, a gas output valve 7, a meter tempering valve 8, a gas connecting pipe 9, a flame spray gun 10, a gun tempering valve 11, an ignition valve 12 and a porous flame spray device 13, wherein the hydrogen steel cylinder 1, the steel cylinder main valve 1.1, the combustion cabinet 2, the cabinet box 2.1, the pressure reducer 3, the total pressure meter 4, the partial pressure meter 5, the pressure regulating valve 6, the gas output valve 7, the meter tempering valve 8, the gas connecting pipe 9, the flame spray gun 10, the gun tempering valve 11, the ignition valve 12 and the porous flame spray gun 13 are arranged in sequence;

one side of hydrogen steel bottle 1 is equipped with burning cabinet 2, the both sides of burning cabinet 2 are equipped with cabinet case 2.1, install steel bottle main valve 1.1 on hydrogen steel bottle 1, pressure reducer 3 is installed in the gas outlet of hydrogen steel bottle 1, steel bottle main valve 1.1 cooperates with pressure reducer 3, be equipped with total pressure gauge 4 on pressure reducer 3, partial pressure table 5, the air-vent valve 6, gas output valve 7 and table are with tempering valve 8, table is with tempering valve 8 and gas connection pipe 9 adoption plug-in type connection, gas connection pipe 9's the other end and flame gun 10 adopt the plug-in type to be connected, flame gun 10 has oxygen end valve, be equipped with 11 and 12 for the tempering valve and the ignition valve for the rifle at the rear end of flame gun 10, be equipped with porous flame gun 13 at the front end of flame gun 10, and porous flame gun 13 assembles on cabinet case 2.1's the bottom panel.

The front end of the pressure reducer 3 is transversely provided with a tempering valve 8 for a meter.

The gas torch further comprises a hose hoop 14, the tempering valve 8 for the watch and the gas connecting pipe 9 are locked by the hose hoop 14, and the flame gun 10 and the gas connecting pipe 9 are locked by the hose hoop 14.

The working principle and the working process of the utility model are as follows:

as shown in fig. 1, when a hydrogen flame test of a hydrogen flame meter is performed, a carbon dioxide hand-held fire extinguisher is respectively placed at a hydrogen gas steel cylinder 1 and a combustion cabinet 2. Soap bubble is prepared for checking for line leaks (open fire is prohibited to detect leaks). And a watering can is prepared for preventing static electricity from being generated.

Before the test, the following check is made, and the connection condition of the hydrogen steel cylinder 1 and the pressure reducer 3 is checked firstly; then checking the connection condition of the gas connecting pipe 9 and the tempering valve 8 for the meter; then check that the oxygen end valve of the torch 10 must be guaranteed to be closed! And then, a foam checking method is adopted to check whether all the interface pipelines are reliably connected and have no leakage points, whether the gas connecting pipe 9 is damaged or not, and to check whether all the valves of the pipelines are in a closed state. Then, the gas quantity of the hydrogen cylinder 1 is checked, the cylinder main valve 1.1 is opened, and whether the total pressure table 4 meets the use pressure of the time is observed. Other valves need to be kept in a closed state; finally, whether the partial pressure meter 5 is in a zero state or not is observed, if the partial pressure meter is larger than zero, whether the knob of the pressure regulating valve 6 is in a unscrewing state or not is checked, if the knob of the pressure regulating valve 6 is not required to be unscrewed, the ignition valve 12 is opened, and then the gas output valve 7 is slightly opened. When the partial pressure meter 5 is zero, the cylinder main valve 1.1 is closed, the gas output valve 7 is closed, the pressure regulating valve 6 is unscrewed, and the ignition valve 12 is closed.

After the checking work is finished, the ignition work is carried out, the main valve 1.1 of the steel cylinder is opened, the gas output valve 7 is opened, and the ignition valve 12 is opened; fine-tuning the pressure regulating valve 6 to obtain an outlet pressure of 0.3bar (0.03 MPa or hearing that there is a gas sound at the flame outlet), igniting the flame with a long-rod lighter, adjusting the pressure regulating valve 6 to the pressure divider 5 to display 1.33bar (0.13 MPa, the indicator of the meter is in the second cell), and observing the pressure divider 5 in the experiment to see whether the pressure is changed, and ensuring the outlet pressure by fine-tuning the pressure regulating valve 6 to keep the pressure value at 1.33 bar.

After igniting, use the hydrogen flame instrument to carry out the hydrogen flame test, after the test, must carry out the action of turning off the fire (should turn off the fire when the experiment finishes or the gas pressure in the hydrogen steel bottle 1 is less than 10bar (1 Mpa)), in order to be safe, close steel bottle main valve 1.1, close gas output valve 7, unscrew air-vent valve 6, wait for after 30 seconds, close ignition valve 12, unscrew the leather hose on the pressure reducer 3 and the screw on the tempering valve 8 for the table, and demolish pressure reducer 3, preserve well to using next time.

The hydrogen gas cylinder 1 of the present invention is preferably placed on a cylinder holder 15 as shown in fig. 4, the hydrogen gas cylinder 1 and the cylinder holder 15 are reinforced by a chain 16, and the bottom of the cylinder holder 15 is provided with a universal wheel 17 for transportation. Because the hydrogen steel cylinder 1 is arranged on the steel cylinder bracket 15, and the body of the hydrogen steel cylinder 1 is fixed by the chain 16, the hydrogen is safer to use, and the safety of operators and national property is protected. Meanwhile, the universal wheel 17 is assembled at the bottom of the steel cylinder support 15, so that the carrying and moving work of the hydrogen steel cylinder 1 becomes more flexible and convenient, and the safety of carrying action is greatly improved.

As shown in fig. 5, the lighter includes an ignition module 18, a connecting rod 19 and a control module 20 connected together, and the connecting rod 19 is of an elongated design. Because of the difficult perception of hydrogen flame, original short money makes personnel be injured very easily, and has adopted stock lighter now for the operation personnel are at the ignition in-process, and personal safety has obtained a fine assurance.

It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the utility model, and these modifications and improvements are also considered to be within the scope of the utility model.

Claims (3)

1. A hydrogen flame instrument detection device comprises a hydrogen steel cylinder (1), a steel cylinder main valve (1.1), a combustion cabinet (2), a cabinet box (2.1), a pressure reducer (3), a total pressure meter (4), a partial pressure meter (5), a pressure regulating valve (6), a gas output valve (7), a meter tempering valve (8), a gas connecting pipe (9), a flame gun (10), a gun tempering valve (11), an ignition valve (12) and a porous flame thrower (13);

the method is characterized in that: one side of the hydrogen steel cylinder (1) is provided with a combustion cabinet (2), two sides of the combustion cabinet (2) are provided with cabinet boxes (2.1), a steel cylinder main valve (1.1) is installed on the hydrogen steel cylinder (1), a pressure reducer (3) is installed at a gas outlet of the hydrogen steel cylinder (1), the steel cylinder main valve (1.1) is matched with the pressure reducer (3), a total pressure gauge (4), a partial pressure gauge (5), a pressure regulating valve (6), a gas output valve (7) and a meter tempering valve (8) are assembled on the pressure reducer (3), the meter tempering valve (8) and a gas connecting pipe (9) are connected in a plug-in mode, the other end of the gas connecting pipe (9) and a flame gun (10) are connected in a plug-in mode, the flame gun (10) is provided with an oxygen end valve, the rear end of the flame gun (10) is provided with a gun tempering valve (11) and an ignition valve (12), and a porous flame thrower (13) is assembled at the front end of the flame gun (10), and the porous flame thrower (13) is mounted on the bottom panel of the cabinet box (2.1).

2. The hydrogen flame meter detection device according to claim 1, wherein: the front end of the pressure reducer (3) is transversely provided with a meter tempering valve (8).

3. The hydrogen flame meter detection device according to claim 1, wherein: the gas meter is characterized by further comprising a hose hoop (14), the tempering valve (8) for the meter and the gas connecting pipe (9) are locked by the hose hoop (14), and the flame gun (10) and the gas connecting pipe (9) are locked by the hose hoop (14).

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