CN210686951U

CN210686951U - Safety explosion-proof pressure relief valve device of steam pressure-bearing boiler

Info

Publication number: CN210686951U
Application number: CN201921847665.0U
Authority: CN
Inventors: 汪海涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-06-05
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a steam pressure-bearing boiler safety explosion-proof relief valve device relates to the boiler field, and the gas that spreads to current pressure release is for easily firing or combustible gas, produces accident's problem easily when the pressure release volume is too big, and the scheme as follows is put forward now, and it includes the base, base top fixed surface is equipped with the furnace body, furnace body inner wall both sides evenly are equipped with pressure sensor, furnace body inner wall top is equipped with the explosion-proof board, furnace body outside surface is equipped with the relief valve, the relief valve outside is equipped with the pressure release case, the pressure release case sets up in the furnace body outside. Through being equipped with pressure release case, gas outlet and fire extinguishing box, the flowmeter detects the gaseous transmission rate of pressure release after the pressure release at every turn in the gas outlet to judge the operating condition of relief valve, when gaseous for inflammable gas to the pressure release, the incasement transmission part carbon dioxide gas that goes out fires gets into the pressure release case, with the inflammable gas or the inflammable vapour that dilute the emission, guarantee the stable of pressure release in-process and go on.

Description

Safety explosion-proof pressure relief valve device of steam pressure-bearing boiler

Technical Field

The utility model relates to a boiler technical field especially relates to a steam pressure-bearing boiler safety explosion-proof relief valve device.

Background

Pressure-bearing boilers generally refer to steam boilers, the pressure inside the work is high, dangerous and special equipment, once an accident occurs, public safety is involved, huge losses can be caused to the life and property of the country and people, compared with normal pressure boilers, the pressure-bearing boilers need to be provided with safety pressure relief valves to avoid overhigh internal pressure and reduce risks in the working process, the boiler pressure relief valves need to be in a normally closed state within the range of safe working pressure, when the pressure of a medium in the equipment or a container rises to exceed a specified value, the pressure relief valves can be immediately opened to discharge pressure steam to the outside of a system, the pressure of the energy of a boiler container is reduced, and dangers are avoided, so the reliability of the boiler pressure relief valves is extremely.

The existing pressure limiting valve generally adopts a spring member to judge and control the pressure in the boiler, but the gas transmitted by pressure relief is flammable or combustible gas under many conditions, and accidents are easy to occur when the pressure relief amount is too large, so that the invention of the safety explosion-proof pressure relief valve device of the steam pressure-bearing boiler is necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a safe explosion-proof pressure relief valve device of a steam pressure-bearing boiler.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a steam pressure-bearing boiler safety explosion-proof relief valve device, includes the base, base top fixed surface is equipped with the furnace body, furnace body inner wall both sides evenly are equipped with pressure sensor, furnace body inner wall top is equipped with explosion-proof board, furnace body outside surface is equipped with the relief valve, the relief valve outside is equipped with the pressure release case, the pressure release case sets up in the furnace body outside, pressure release roof portion is equipped with the gas outlet, pressure release bottom of the case portion is equipped with the case of putting out a fire, the gas outlet all communicates with the pressure release case with the case of putting out a fire, furnace body opposite side surface is equipped.

Preferably, the top of the furnace body is uniformly provided with a pressure relief opening, the pressure relief opening is formed in the top of the explosion-proof plate and communicated with the furnace body, and the front side surface of the furnace body is provided with an explosion-proof door.

Preferably, the relief valve includes valve body and valve body mount pad, the valve body outside is around being equipped with the valve body mount pad, valve body and valve body mount pad all run through the furnace body and extend to inside the furnace body, the valve body mount pad outside is around being equipped with spacing seat, it has the rubber circle to fill between spacing seat and the valve body mount pad, spacing seat and rubber circle all set up in furnace body outside surface.

Preferably, the outside of the pressure relief box is provided with a switch door, the switch door is hinged with the pressure relief box, and the surface of the switch door is provided with a pull ring.

Preferably, the inside flowmeter that is equipped with of gas outlet, the inside carbon dioxide gas that is filled of case that goes out a fire, case and pressure release case junction are equipped with the jet nozzle, the case outside surface that goes out a fire is equipped with the inflation inlet.

Preferably, inside the control unit, data transmission module, data processing module and the data storage module of being equipped with of control panel, the control panel surface is equipped with the display screen, the control panel bottom is equipped with control switch, the control panel top is equipped with a plurality of display lamps, control panel passes through the transmission cable and communicates in control switch and display lamp respectively.

The utility model has the advantages that: in the utility model, through being equipped with pressure relief box, gas outlet and fire extinguishing box, the relief valve automatically carries out the pressure relief work when the atmospheric pressure in the furnace body is too high and keeps the atmospheric pressure in the furnace body stable, the gas after the pressure relief is given vent to anger through pressure relief box and gas outlet, the flowmeter detects the transmission rate of the pressure relief gas after each pressure relief in the gas outlet, thereby judge the operating condition of relief valve, when the pressure relief gas is inflammable gas, the carbon dioxide gas of transmission part in the fire extinguishing box enters the pressure relief box to dilute the combustible gas or the inflammable vapor that discharges, guarantee the stable progress in the pressure relief process; through being equipped with explosion-proof board and display lamp, the explosion-proof board is used for restricting the internal gas transmission of furnace, and gas can be discharged by the pressure release mouth after exploding explosion-proof board top when atmospheric pressure is too high, realizes the protection to the furnace body, and the gas outlet detects the operating condition of relief valve and transmits detected signal to control panel, and control panel lights according to the operating condition control display lamp of relief valve and is convenient for the staff to look over.

Drawings

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

Fig. 2 is a front view of the pressure release valve of the present invention.

Fig. 3 is a front view of the pressure relief box of the present invention.

Reference numbers in the figures: the device comprises a base 1, a furnace body 2, a pressure sensor 21, a pressure relief opening 22, an explosion-proof door 23, an explosion-proof plate 3, a pressure relief valve 4, a valve body 41, a valve body mounting seat 42, a position limiting seat 43, a rubber ring 44, a pressure relief box 5, a switch door 51, a pull ring 52, an air outlet 6, a fire extinguishing box 7, an inflation opening 71, a control panel 8, a control switch 81 and a display lamp 82.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, shown a steam pressure-bearing boiler safety explosion-proof relief valve device, including

base

1, 1 top fixed surface of base is equipped with

furnace body

2, 2 inner wall both sides of furnace body evenly are equipped with

pressure sensor

21, 2 inner wall tops of furnace body are equipped with explosion-

proof board

3, 2 outside surfaces of furnace body are equipped with relief valve 4, the 4 outside of relief valve is equipped with pressure relief case 5, pressure relief case 5 sets up in the 2 outsides of furnace body, 5 tops of pressure relief case are equipped with

gas outlet

6, 5 bottoms of pressure relief case are equipped with fire extinguishing chamber 7, gas outlet 6 and fire extinguishing chamber 7 all communicate with

pressure relief case

5, 2 opposite side surfaces of furnace body are equipped with.

2 tops of furnace body evenly are equipped with pressure release mouth 22, and pressure release mouth 22 sets up in explosion-proof board 3 tops, and pressure release mouth 22 and furnace body 2 intercommunication, 2 front side surfaces of furnace body are equipped with explosion vent 23, and explosion-proof board 3 is used for restricting the gaseous transmission in the furnace body 2, and the gas can be discharged by pressure release mouth 22 after will explosion-proof board 3 top explosion when atmospheric pressure is too high, realizes the protection to furnace body 2.

The relief valve 4 includes valve body 41 and valve

body mount pad

42, 41 outside encircles and is equipped with valve

body mount pad

42, 41 valve body and valve body mount pad 42 all run through the furnace body 2 and extend to inside the

furnace body

2, 42 outside encircles of valve body mount pad are equipped with spacing seat 43, it has rubber ring 44 to fill between spacing seat 43 and the valve body mount pad 42, spacing seat 43 and rubber ring 44 all set up in 2 outside surfaces of furnace body, spacing seat 43 and rubber ring 44 can be injectd the scope of giving vent to anger to the relief valve 4, play the guard action to the position of relief valve 4.

The outside of pressure release case 5 is equipped with switch door 51, and switch door 51 is articulated with pressure release case 5, and switch door 51 surface is equipped with pull ring 52, and when work unstability or damage situation appeared in relief valve 4, open switch door 51 and maintain relief valve 4.

6 inside flowmeters that are equipped with in gas outlet, 7 inside packings of case of putting out a fire have carbon dioxide gas, it is equipped with the air jet to put out a fire case 7 and the 5 junction of pressure release case, 7 outside surfaces of case of putting out a fire are equipped with inflation inlet 71, the flowmeter detects the gaseous transmission rate of pressure release after the pressure release at every turn in 6 gas outlets, thereby judge the operating condition of relief valve 4, when gaseous for inflammable gas to the pressure release, transmission part carbon dioxide gas gets into pressure release case 5 in the case of putting out a fire, with the combustible gas or the inflammable vapour of diluting the emission, guarantee the stable of pressure release in-process.

Control panel 8 is inside to be equipped with the control unit, data transmission module, data processing module and data storage module, 8 surfaces of control panel are equipped with the display screen, 8 bottoms of control panel are equipped with

control switch

81, 8 tops of control panel are equipped with a plurality of

display lamps

82, 8 control panel communicates in control switch 81 and display lamp 82 respectively through the transmission cable, 6 operating condition and the transmission detected signal to control panel 8 that detect relief valve 4 in gas outlet, control panel 8 lights the staff of being convenient for to look over according to operating condition control display lamp 82 of relief valve, when unstable work or damage situation appear in

relief valve

4, 8 control display lamps 82 of control panel twinkle remind the staff to maintain.

The working principle is as follows:

referring to the description figures 1 and 2: when the air pressure in the furnace body 2 is too high, the pressure release valve 4 automatically performs pressure release work to keep the air pressure in the furnace body 2 stable, the explosion-proof plate 3 is used for limiting the transmission of the air in the furnace body 2, when the air pressure is too high, the air after the explosion-proof plate 3 is ejected out of the pressure release opening 22, the protection of the furnace body 2 is realized, the limiting seat 43 and the rubber ring 44 can limit the air outlet range of the pressure release valve 4, and the position of the pressure release valve 4 is protected;

referring to the description of the drawings, figure 1: the decompressed gas is discharged through the pressure relief box 5 and the gas outlet 6, the flowmeter in the gas outlet 6 detects the transmission rate of the decompressed gas after each decompression so as to judge the working state of the pressure relief valve 4, and when the decompressed gas is inflammable gas, a part of carbon dioxide gas transmitted in the fire extinguishing box 7 enters the pressure relief box 5 to dilute the discharged inflammable gas or inflammable steam, so that the stable operation in the pressure relief process is ensured;

referring to the description accompanying fig. 1 and 3: the gas outlet 6 detects the operating condition of relief valve 4 and transmits the detected signal to control panel 8, and control panel 8 lights the staff of being convenient for to look over according to the operating condition control display lamp 82 of relief valve, and when work unstability or damaged condition appeared in relief valve 4, control panel 8 control display lamp 82 twinkles and reminds the staff to maintain, opens switch door 51 and can maintain relief valve 4.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a steam pressure-bearing boiler safety explosion-proof relief valve device, includes base (1), its characterized in that, base (1) top fixed surface is equipped with furnace body (2), furnace body (2) inner wall both sides evenly are equipped with pressure sensor (21), furnace body (2) inner wall top is equipped with explosion-proof board (3), furnace body (2) outside surface is equipped with relief valve (4), the relief valve (4) outside is equipped with pressure relief case (5), pressure relief case (5) set up in the furnace body (2) outside, pressure relief case (5) top is equipped with gas outlet (6), pressure relief case (5) bottom is equipped with fire extinguishing box (7), gas outlet (6) and fire extinguishing box (7) all communicate with pressure relief case (5), furnace body (2) another side surface is equipped with control panel (8).

2. The safety explosion-proof pressure relief valve device of a steam pressure-bearing boiler according to claim 1, characterized in that the top of the boiler body (2) is uniformly provided with pressure relief ports (22), the pressure relief ports (22) are arranged on the top of the explosion-proof plate (3), the pressure relief ports (22) are communicated with the boiler body (2), and the front side surface of the boiler body (2) is provided with an explosion-proof door (23).

3. The safety explosion-proof pressure relief valve device of a steam pressure-bearing boiler according to claim 1, characterized in that the pressure relief valve (4) comprises a valve body (41) and a valve body mounting seat (42), the valve body mounting seat (42) is arranged around the outside of the valve body (41), the valve body (41) and the valve body mounting seat (42) both penetrate through the boiler body (2) and extend to the inside of the boiler body (2), a limiting seat (43) is arranged around the outside of the valve body mounting seat (42), a rubber ring (44) is filled between the limiting seat (43) and the valve body mounting seat (42), and the limiting seat (43) and the rubber ring (44) are both arranged on the outer surface of the boiler body (2).

4. The safety explosion-proof pressure relief valve device of a steam pressure-bearing boiler according to claim 1, characterized in that a switch door (51) is arranged outside the pressure relief box (5), the switch door (51) is hinged with the pressure relief box (5), and a pull ring (52) is arranged on the surface of the switch door (51).

5. The safety explosion-proof pressure relief valve device of a steam pressure-bearing boiler according to claim 1, characterized in that a flowmeter is arranged inside the gas outlet (6), carbon dioxide gas is filled inside the fire extinguishing box (7), a gas nozzle is arranged at the joint of the fire extinguishing box (7) and the pressure relief box (5), and an inflation inlet (71) is arranged on the outer side surface of the fire extinguishing box (7).

6. The safety explosion-proof pressure relief valve device of a steam pressure-bearing boiler according to claim 1, characterized in that, control unit, data transmission module, data processing module and data storage module are arranged inside the control panel (8), the surface of the control panel (8) is provided with a display screen, the bottom of the control panel (8) is provided with a control switch (81), the top of the control panel (8) is provided with a plurality of display lamps (82), and the control panel (8) is respectively communicated with the control switch (81) and the display lamps (82) through transmission cables.