CN2128324Y

CN2128324Y - Safety interlocking device for quick opening pressure vessel

Info

Publication number: CN2128324Y
Application number: CN 92230649
Authority: CN
Inventors: 奚建平
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-08-19
Filing date: 1992-08-19
Publication date: 1993-03-17
Anticipated expiration: 2002-08-19

Abstract

The utility model discloses a safety interlocking device for a quick opening pressure vessel, belonging to safety technical field of a pressure vessel. The safety interlocking device for the quick opening pressure vessel is suitable for a pressure vessel, and in the pressure vessel, the connection of an end cover and a vessel body adopts a structure that the flange teeth of the end cover are engaged with the teeth of the gear ring of the vessel body. Via the linkage of a ball-valve switch and a fixed pin and the connection or interlocking of a fixed pin and a fixed plate, the safety interlocking device for the quick opening pressure vessel can prevent the cover falling off the pressure vessel, the explosion of the pressure vessel at the time of opening the cover, and the harm of the excessive pressure to the human body; moreover, the safety interlocking device for the quick opening pressure vessel can make an automatic alarm to the abnormal phenomena.

Description

Safety interlocking device for quick opening pressure vessel

The utility model relates to and a kind ofly adopts the safety interlock that uses on the pressurized container of end cap flange tooth and cylindrical shell gear ring tooth engaging conformation in the connecting of end cap and cylindrical shell.This device can prevent that end cap from connecting the end cap slippage blast in service of not in place, container with cylindrical shell, band presses off lid and overbottom pressure injury.And can report to the police automatically to above-mentioned anomaly.

At present the safety installations that uses on this type of pressurized container be mostly to adopt restriction end cap flange tooth and the positioning block (or fixed block) of cylindrical shell gear ring tooth relative movement and simply latch finish protection.Owing to do not interlock, can not limit misoperation, reliability is not good.Useful micro-processor controlled safety interlock on this external vulcanization of rubber jar, but its cost height, and be subjected to the restriction of electricity, source of the gas, unfavorable in transformation with pressurized container.

The purpose of this utility model provide a kind of simple and direct practicality can prevent that door-opening pressure vessel from taking off lid, uncap blast and overbottom pressure be to human injury's safety interlock.

The purpose of this utility model is achieved in that passes through handle, make be fixed on the cylindrical shell pedestal with tube in the switch of the ball valve that links and the mobile realization interlock of fixing pin, reach make the fixed plate that is fixed on the gear ring and fixing pin plug together realization when gear ring is fixed ball valve close; When fixed plate during, cause ball valve not close to the fixing pin travel limits; Must remove fixing to gear ring earlier, just can uncap after ball valve is opened.When ball valve was opened, as boosting in the container or pressure being arranged, device was with steam discharge pressure release and realization warning automatically.

Below with reference to accompanying drawing the utility model is done detailed description further.

Fig. 1 is that the door-opening pressure vessel end cap connects principle schematic with cylindrical shell.

Fig. 2 is the utility model plan view.

Fig. 3 is the fixed plate schematic representation.

With reference to Fig. 1, door-opening pressure vessel end cap and cylindrical shell connection process are achieved in that end cap (14) (the 3rd limit of Fig. 1 shown) and cylindrical shell (12) (second limit of Fig. 1 shown) pass are closed, the between cog (first limit of Fig. 1 shown) of the gear ring tooth (15) that end cap flange tooth (16) is placed be fixed on the gear ring (13), the operator by to rotation the inner side surface of gear ring tooth (15) and the outer side surface of end cap flange tooth (16) being intermeshed (the 4th limit of Fig. 1 shown) as figure A, finishes the process of connection with gear ring (13).Gear ring (13) rotates to be the process of uncapping that connects of removing round about by A.Safety requirement gear ring tooth (15) must overlap with end cap flange tooth (16) and put in place, and gives gear ring (13) fixed constraints, could drive; It is could carry out the action of uncapping after zero that the back container inner pressure that cut-offs must be let out to the pressure gauge value of reading.

With reference to Fig. 2, ball valve of this device (9) and guide sleeve (2), lining (3) are separately fixed at cylindrical shell (12) and weld on the dead pedestal (11), and the two ends of ball valve (9) join with exhaust steam pipe (8) with the steam inlet pipe (5) that leads in the cylindrical shell (12) respectively; Exhaust steam pipe (8) joins with threeway (17), and threeway (17) two ends is in addition joined with warning flute (18) and emptying pipe (19) respectively; Lining (3) and guide sleeve (2) stationary fit, reciprocating fixing pin (4) joins with handle (7) by the traveller (6) that is fixed on the handle (7) in it.The spool swingle (10) of ball valve (9) is fixed on the handle (7) as the center of handle (7) rotation.Fixed plate (1) is welded on the rotating gear ring (13).

When gear ring (13) connects (showing as the 4th limit of Fig. 1) when putting in place by A to closing lid, the fixed hole of fixed plate (1) is just in time relative with fixing pin (4) center.6 positions of handle (7) axis indication clock are rotated counterclockwise 90 ° during to 3 positions of clock (position of the device that provides as Fig. 2), because interlock function, ball valve is closed, and also makes fixing pin (4) insert fixed plate (1) simultaneously, finishes fixing gear ring (13).

Let out when gauge pressure is zero and will uncap when the back container inner pressure that cut-offs, necessary releasing fixing pin (4) earlier is fixing to gear ring (13): by 90 ° of dextrorotations, make handle axis refer to 6 positions of clock on handle, and ball valve (9) unlatching, fixing pin is recalled.To by steam inlet pipe (5), ball valve (9), exhaust steam pipe (8), threeway (17), emptying pipe (19) and warning flute (18) discharging simultaneously blow warning flute (18) report to the police as gas in the pressure vessel of having a surplus in the container this moment, and whistling disappears and can uncap.

Press A when the lid connection of rotation pass is not in place when gear ring (13), end cap flange tooth (16) does not mesh fully with gear ring tooth (15), and the blind plate district on the fixed plate (1) is facing to fixing pin (4) center.When repeating the action of said fixing gear ring (13), because the blind plate shelves of fixed plate (1) stroke of fixing pin (4) in the dust can't rotate handle (7), 90 ° arrive 3 positions of clock, ball valve just can't be closed, and as boosting in the container, device is with steam discharge pressure release and warning.

Connect and put in place when gear ring (13) closes lid by A to rotation, but the operator do not implement fixing just driving of gear ring (13) boosted, ball valve is for opening attitude, and device steam discharge pressure release is also reported to the police.

When operator's misoperation, the desire band presses off lid, owing to must remove earlier fixing to gear ring (13), removes fixing pin (4), ball valve (9) is opened steam discharge, makes warning flute (18) produce ring and makes a whistling sound and report to the police.

With reference to Fig. 2, the pedestal of this device (11) is to be processed by inequilateral right angle shaped steel, and the design of its minor face is suitable for the use (device that shows as Fig. 2) of horizontal vessel at the device on the left side of fixing pin (4).The device of design on the right of fixing pin (4) is applicable to that vertical vessel uses.Guide sleeve (2) is that fixing pin (4) can be moved well in a certain direction with the acting in conjunction of copper lining (3).

With reference to Fig. 3 and Fig. 2, fixed plate (1) is designed to an end and opens oval fixed hole, and an end is a blind plate, with the installation that adapts to gear ring (13) container different with cylindrical shell (12) outer radius difference respectively with to the interlocking needs of ball valve (9).Its lower limb is cut an isoceles triangle v notch v, with the installation requirement of the gear ring (13) that adapts to different-diameter.Since the different vessels end cap when connecting with cylindrical shell the gear ring sense of rotation can differ to, the positive and negative installation of changing fixed plate can adapt with it.

Claims

1, a safety interlocking device for quick opening pressure vessel of being made up of ball valve (9), fixing pin (4), fixed plate (1), guide sleeve (2), lining (3), handle (7), traveller (6), pedestal (11), turnover tracheae (5) and (8), warning flute (18), threeway (17), emptying pipe (19) is characterized in that fixed plate (1) is welded on the rotating gear ring (13); Pedestal (11) is welded on the outer wall of shell (12), and the ball valve on it (9) communicates by in steam inlet pipe (5) and the cylindrical shell (12); Exhaust steam pipe (8) connects threeway (17) and communicates with atmosphere by warning flute (18) and emptying pipe (19) respectively; Can come in contact with fixed plate (1) along axial reciprocating fixing pin (4) in the lining (3).

2, the safety interlock of stipulating by claim 1, it is characterized in that handle (7) is the 90 ° of positive and negative hour hands rotations in center with the spool swingle (10) of ball valve (9), when making ball valve (9) switch, fixing pin (4) can be along lining (3) axially reciprocating under the drive of traveller (6).

3, by the safety interlock of claim 1 regulation, it is characterized in that an end of fixed plate (1) is opened oval fixed hole, the other end is a blind plate, and lower limb is cut an isoceles triangle v notch v.

4, press the safety interlock of claims 1 regulation, it is characterized in that pedestal (11) adopts inequilateral right angle shaped steel to process, the design pedestal (11) make its minor face fixing pin (4) a left side or right, can make device be applicable to horizontal or vertical door-opening pressure vessel.

By the safety interlock of claim 1 regulation, it is characterized in that when ball valve (9) is opened that 5, the steam flow in the cylindrical shell (12) can make warning flute (18) ring make a whistling sound, report to the police, also do not influence discharging vapour amount simultaneously.

6,, it is characterized in that stationary fit one copper lining (3) in the guide sleeve (2) by the safety interlock of claim 1 regulation.