CN211738197U - Safety valve for pressure container - Google Patents

Abstract

The utility model discloses a pressure vessel relief valve, including relief valve device, relief valve device includes valve body, valve gap, valve rod, fixed block, dog, spring and spanner, the valve body is the cavity setting, the valve gap locate the top of valve body and with valve body threaded connection, fixed block and valve gap bottom end threaded connection, the below of fixed block is located to the dog, the valve rod runs through fixed block, dog and upwards extends and locates in the valve gap, the spring is located between fixed block and the dog, the valve rod top is equipped with the unsmooth piece of adjustment and adjusting nut. The utility model belongs to the technical field of the relief valve, specifically provide a simple structure, practicality are strong, are convenient for simultaneously install, have good security performance and long service life's pressure vessel relief valve.

Description

Safety valve for pressure container

Technical Field

The utility model belongs to the technical field of the relief valve, specifically indicate a pressure vessel relief valve.

Background

At present, a safety valve is a special valve in which a starting and closing member is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of a system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boilers, pressure vessels and pipelines, and plays an important role in protecting personal safety and equipment operation when the control pressure does not exceed a specified value. The safety valve is a special branch of a valve family, and the particularity of the safety valve is that the safety valve only plays a role of opening and closing unlike other valves, and more importantly plays a role of protecting equipment. With the rapid development of economic construction in China, more and more equipment project projects with pressure control are provided. Safety valves play a crucial role in protecting equipment in view of the need to vent the equipment. Safety valves are important safety accessories for boilers, pressure vessels and other equipment under pressure.

However, the existing safety valve is complex in technical structure, high in manufacturing cost, inconvenient to install and overhaul, and not high in safety performance, and long in service life due to the fact that the safety valve does not have a detection pressure value.

Disclosure of Invention

For solving the above-mentioned current difficult problem, the utility model provides a simple structure, practicality are strong, are convenient for simultaneously install, have good security performance and long service life's pressure vessel relief valve.

The utility model adopts the following technical scheme: the utility model relates to a safety valve of a pressure container, which comprises a safety valve device, wherein the safety valve device comprises a valve body, a valve cover, a valve rod, a fixed block, a stop block, a spring and a wrench, the valve body is arranged in a hollow cavity, the valve cover is arranged at the top end of the valve body and is in threaded connection with the valve body, the fixed block is in threaded connection with the bottom end of the valve cover, the stop block is arranged below the fixed block, the valve rod penetrates through the fixed block and the stop block and extends upwards to be arranged in the valve cover, the spring is arranged between the fixed block and the stop block, the top of the valve rod is provided with an adjusting concave-convex block and an adjusting nut, the adjusting nut is arranged at the top end of the valve rod, the adjusting concave-convex block is arranged on one side of the valve rod, the wrench is arranged on one side of the adjusting concave-convex block, the gas detector is arranged at the joint of the three-way pipe and the valve body, and the display screen and the warning indicator are arranged at the top of the valve body.

Further, the spanner is equipped with the solid fixed ring of spanner with the junction of adjustment unsmooth piece, the spanner is connected with the solid fixed ring of spanner is articulated.

Further, the three-way pipe comprises an air inlet and an air outlet, and a gas flowmeter is arranged at the air outlet.

Further, gas detection appearance and gas flowmeter all are connected with the display screen, gas detection appearance is connected with the attention device, be equipped with shift knob on the display screen, shift knob is connected with gas detection appearance, gas flowmeter, display screen and attention device.

Further, the display screen is a touch display screen.

Furthermore, the alarm is an audible and visual alarm. The power supply of the whole equipment can be realized by an external power supply or a method of internally arranging a storage battery.

Adopt above-mentioned step the utility model discloses the beneficial effect who gains as follows: the safety valve of the pressure container can detect whether the gas leaks during conveying through the cooperation of the gas detector and the warning indicator, and achieves the warning effect through the warning indicator; the information such as the detected gas flow and the like can be displayed on the display screen through the gas flowmeter and the gas detector, so that the safety condition can be conveniently observed; the valve rod can be controlled to move by adjusting the arrangement of the concave-convex block and the wrench, and the flow rate of the gas can be controlled; meanwhile, the safety valve is generally in threaded connection, and the safety valve is convenient to mount and dismount.

Drawings

Fig. 1 is a schematic view of the overall structure of a safety valve for a pressure vessel according to the present invention;

fig. 2 is a schematic view of the internal structure of the safety valve of the pressure vessel of the present invention.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings: 1. relief valve device, 2, valve body, 3, valve gap, 4, valve rod, 5, fixed block, 6, dog, 7, spring, 8, spanner, 9, adjustment unsmooth piece, 10, adjusting nut, 11, three-way pipe, 12, gas detector, 13, display screen, 14, attention device, 15, spanner solid fixed ring, 16, air inlet, 17, gas vent, 18, gas flowmeter, 19, shift knob.

Detailed Description

The technical solutions 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 only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, the safety valve for pressure vessel of the present invention comprises a safety valve device 1, wherein the safety valve device 1 comprises a valve body 2, a valve cap 3, a valve rod 4, a fixed block 5, a stop block 6, a spring 7 and a wrench 8, the valve body 2 is arranged in a hollow cavity, the valve cap 3 is arranged at the top end of the valve body 2 and is in threaded connection with the valve body 2, the fixed block 5 is in threaded connection with the bottom end of the valve cap 3, the stop block 6 is arranged below the fixed block 5, the valve rod 4 penetrates through the fixed block 5 and the stop block 6 and extends upwards into the valve cap 3, the spring 7 is arranged between the fixed block 5 and the stop block 6, the top end of the valve rod 4 is provided with an adjusting concave-convex block 9 and an adjusting nut 10, the adjusting nut 10 is arranged at the top end of the valve rod 4, the, the bottom of the valve body 2 is provided with a three-way pipe 11, a gas detector 12 is arranged at the joint of the three-way pipe 11 and the valve body 2, and the top of the valve body 2 is provided with a display screen 13 and an alarm 14.

A spanner fixing ring 15 is arranged at the joint of the spanner 8 and the adjusting concave-convex block 9, and the spanner 8 is hinged with the spanner fixing ring 15; the three-way pipe 11 comprises an air inlet 16 and an air outlet 17, and a gas flowmeter 18 is arranged at the air outlet 17; the gas detector 12 and the gas flowmeter 18 are both connected with a display screen 13, the gas detector 12 is connected with an alarm 14, a switch button 19 is arranged on the display screen 13, and the switch button 19 is connected with the gas detector 12, the gas flowmeter 18, the display screen 13 and the alarm 14; the display screen 13 is a touch display screen; the alarm is an audible and visual alarm.

When the gas flow meter is used specifically, firstly, the safety valve device 1 is installed, the pressure vessel is communicated through the three-way pipe 11 at the bottom, the gas inlet 16 is communicated with the gas outlet 17, then the switch button 19 is pressed, whether the device can normally operate is checked, then various numerical values are set through the display screen 13, the gas detector 12 is included, the threshold value of the gas flow meter 18 is included, the adjusting nut 10 is adjusted to a proper position, the wrench 8 is pulled downwards, the stop block 6 is in an opening state inside the three-way pipe 11, gas can conveniently flow in a pipeline, when the gas detector 12 detects gas leakage in the flowing process, the alarm 14 gives an alarm, when the gas flow meter 18 detects that the gas flows is too large, the wrench 8 is slightly pulled upwards, and the spring 7 drives the stop block 6 to move downwards, so that the gas flow reduction can be realized.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (6)

1. A safety valve for a pressure vessel, characterized by: the safety valve comprises a valve body, a valve cover, a valve rod, a fixing block, a stop block, a spring and a wrench, wherein the valve body is arranged in a hollow cavity, the valve cover is arranged at the top end of the valve body and is in threaded connection with the valve body, the fixing block is in threaded connection with the bottom end of the valve cover, the stop block is arranged below the fixing block, the valve rod penetrates through the fixing block, the stop block and extends upwards to be arranged in the valve cover, the spring is arranged between the fixing block and the stop block, an adjusting concave-convex block and an adjusting nut are arranged at the top end of the valve rod, the adjusting concave-convex block is arranged on one side of the valve rod, the wrench is arranged on one side of the adjusting concave-convex block, a three-way pipe is arranged at the bottom of the valve body, a gas detector.

2. A pressure vessel safety valve as claimed in claim 1, wherein: the spanner is equipped with the solid fixed ring of spanner with the junction of adjustment unsmooth piece, the spanner is connected with the solid fixed ring articulated of spanner.

3. The safety valve for pressure vessels of claim 1, wherein the tee comprises an air inlet and an air outlet, and a gas flow meter is arranged at the air outlet.

4. The safety valve for pressure vessels according to claim 3, wherein the gas detector and the gas flowmeter are both connected with a display screen, the gas detector is connected with an alarm, the display screen is provided with a switch button, and the switch button is connected with the gas detector, the gas flowmeter, the display screen and the alarm.

5. The safety valve of claim 1, wherein the display screen is a touch screen.

6. The safety valve for pressure vessels as claimed in claim 1, wherein the alarm is an audible and visual alarm.

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