CN216046870U - Pressure vessel fast opening door cross sliding type safety interlocking device - Google Patents

Abstract

The utility model discloses a transverse safety interlocking device for a quick-opening door of a pressure container, and relates to the technical field of safety protection. The pressure control device comprises a pressure relief assembly, a pressure control assembly and a pressure container main body, wherein the pressure relief assembly is fixedly screwed on the inner side of the pressure container main body, a moving pipe is inserted into the inner side of the pressure relief assembly, a moving plate is clamped and connected on the inner side of the moving pipe, the pressure control assembly is fixedly screwed on the upper end of the outer side of the pressure container main body, a threaded pipe is screwed on one end of the pressure control assembly, and an insertion pipe is fixed on one end of the threaded pipe. The safety interlocking device solves the problems that the structure of the safety interlocking device of the conventional quick-opening pressure container is complex, the reminding and the protection are difficult to carry out when an internal circuit is damaged, the pressure can not be automatically released, certain potential safety hazards exist, the quantity of threshold values of overpressure which can be set is limited, and the universality is not high.

Description

Pressure vessel fast opening door cross sliding type safety interlocking device

Technical Field

The utility model belongs to the technical field of safety protection, and particularly relates to a transverse safety interlocking device for a quick-opening door of a pressure container.

Background

Pressure vessel, it means to contain gas or liquid, bear the hermetic apparatus of certain pressure, the pressure vessel is used in many departments and scientific research such as industry, civilian use, military industry, etc. in order to use in chemical industry and petrochemical industry the most, the pressure vessel is in chemical industry and petrochemical industry, mainly used in the technological process such as heat transfer, mass transfer, reaction, etc., and store, transport the gas or liquefied gas with pressure, also have extensive application in other industry and civilian use fields, such as air compressor, etc., in the course of pressure vessel production especially to the pressure vessel of the quick-opening door type, in order to guarantee its security in the course of using, generally need to set up the safety interlock, the safety interlock has the internal pressure of the pressure vessel and releases completely, the linkage function that can open the quick-opening door after the safety interlock is disengaged, the pressure container pressure and zero pressure indication and overpressure acousto-optic alarm remind an operator to take corresponding measures, so that the pressure container is prevented from being subjected to overpressure explosion, door opening injury and other major accidents, the personal safety of workers is ensured, and the economic loss caused by improper operation when the pressure container is used is avoided, but the following defects still exist in the practical use of the pressure container:

1. the prior publication, CN212106992, a safety interlock device for a quick-opening pressure vessel, the pressure-increasing pipe is disposed at a pressure-increasing outlet of a pressure tank, the pressure-reducing pipe is disposed at a pressure-reducing outlet of the pressure tank, a pressure sensor is disposed on a wall body at the rear end of the interior of the pressure tank, and a PLC controller is disposed at the left side of a mounting seat at the left side of an outer arc wall of the pressure tank, most of the safety interlock devices of the prior quick-opening pressure vessel have such a structure, and the pressure sensor senses the pressure to prompt an alarm lamp to flash red light when the pressure is over-pressure, so as to improve the safety of the pressure vessel when in use and avoid explosion caused by over-pressure, but the safety interlock device has a complex structure, and needs to be powered by electric energy to ensure the normal operation of the safety interlock device, and when a circuit inside the safety interlock device is damaged, it is often difficult to prompt a worker, certain potential safety hazards exist;

2. in the use process of the conventional safety interlocking device, when the pressure in the pressure container is over-pressure, the safety interlocking device can remind workers to conveniently perform troubleshooting and pressure relief in time, but in the actual use process, the problem that the workers cannot notice the reminding in time can occur, certain potential safety hazards exist, and the production efficiency is reduced due to excessive pressure relief in the pressure relief process;

3. the 'overpressure' sound-light alarm reminding of the conventional safety interlocking device is usually to alarm when the pressure reaches a set threshold value after being set, but the number of the overpressure threshold values which can be set is limited, so that the range of overpressure is difficult to accurately adjust when different products are produced, and the universality is not high.

Therefore, the existing safety interlock device with a quick-opening and a lateral-moving type pressure container cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a transverse moving type safety interlocking device for a quick-opening pressure vessel, which solves the problems that the conventional safety interlocking device for the quick-opening pressure vessel is complex in structure, difficult to remind and protect when an internal circuit is damaged, incapable of automatically releasing pressure, certain potential safety hazard exists, the number of threshold values of overpressure which can be set is limited, and the universality is not high through a pressure releasing component, a pressure control component and a pressure vessel main body.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a transverse moving type safety interlocking device for a quick-opening door of a pressure container, which comprises a pressure relief assembly, a pressure control assembly and a pressure container main body, wherein the pressure relief assembly is fixedly screwed at the inner side of the pressure container main body, a moving pipe is inserted at the inner side of the pressure relief assembly, when certain air pressure is generated in the pressure container main body, the air pressure can push the moving pipe to transversely move towards the pressure control assembly to lock the pressure container main body, the pressure container main body cannot be opened when the air pressure exists, safety accidents caused by the fact that the pressure is not completely opened when the air pressure is not completely released are avoided, potential safety hazards are reduced, a moving plate is clamped at the inner side of the moving pipe, when a set pressure threshold value is reached, the moving plate can be extruded through an insertion pipe to carry out pressure relief in a short time, overpressure in the pressure container main body is avoided, manual pressure relief of workers is not needed, time and labor are saved, the potential safety hazards are reduced, and the moving pipe reversely moves for a certain distance according to the real-time air pressure relief in the pressure container main body to ensure that the pressure is relieved The movable plate is reset, the reduction of production efficiency caused by excessive pressure relief is avoided, the upper end of the outer side of the pressure container main body is fixedly screwed with the pressure control assembly, one end of the pressure control assembly is screwed with the threaded pipe, the moving distance of the movable pipe in the pressure control assembly can be changed through the rotation of the threaded pipe in the pressure control assembly, and the overpressure threshold value is subjected to stepless adjustment, so that the pressure-relief type pressure-reducing valve is suitable for the production of different products, the universality of the pressure-relief type pressure-reducing valve is greatly improved, and the intubation tube is fixed at one end of the threaded pipe.

Further, the spout has been seted up to pressure release subassembly one end, the pressure release subassembly is located the spout one end outside and is fixed with the sealing ring, the income gas port has been seted up to the pressure release subassembly outer peripheral face, it is located the pressure release subassembly for the sealing ring other end to go into the gas port and the spout runs through the intercommunication, the spout inboard is located gas port one end welded fastening has a reset spring, the welding of pressure release subassembly outer peripheral face upside has the fixed plate, the fixed plate upside runs through all around and has connect first fixing bolt soon, and after the rising of pressure vessel main part internal gas pressure, atmospheric pressure gets into the spout inboard and extrudees the removal pipe through going into the gas port, makes the removal pipe peg graft and protects the pressure vessel main part in pressure control subassembly, avoids the incident that the fast-open door closure fault leads to.

Furthermore, a vent groove is formed at one end of the moving pipe, a socket is formed in the moving pipe relative to the other end of the vent groove, the vent groove and the socket are communicated in a penetrating manner, a limiting plate is fixedly welded on the inner side of the vent groove, a sealing pad is fixedly arranged at one end, located on the socket, of the moving plate, vent holes are formed in the upper end and the lower end of one side of the moving plate in a penetrating manner, a second reset spring is fixedly welded on the other side, opposite to the sealing pad, of the moving plate, the moving plate is clamped on the inner side of the vent groove and attached to the inner side of the socket, vent holes of the moving plate are located at the upper end and the lower end of the socket, the moving plate is elastically connected with the limiting plate through the second reset spring, when pressure relief is needed, the cannula is inserted into the socket to enable the vent holes to be communicated with the outside, pressure relief is carried out through the vent groove and the vent holes, and manual pressure relief is not needed by a worker, the labor intensity of workers is reduced.

Further, it is inboard in the spout of pressure release subassembly to remove the pipe grafting, the socket that removes the pipe is located pressure release subassembly's sealing ring one end, pressure release subassembly through first reset spring with remove the pipe for socket other end elastic connection, pressure vessel main part internal gas pressure decline back, remove the pipe through first reset spring's pulling force reverse movement in the spout, make the intubate break away from in the socket, avoid excessive pressure release to lead to production efficiency's decline, after the normal pressure that resumes in the pressure vessel main part, remove the pipe and just can retract to the pressure release subassembly completely, reduce the potential safety hazard.

Further, pressure control subassembly outer peripheral face welded fastening has the mount, mount one side is run through and is connect the second fixing bolt soon, pressure control subassembly one end is run through and has been seted up the thread groove, the screwed pipe connects soon in the thread groove inboard, removes in the pipe can insert the thread groove when outside the removal under the effect of atmospheric pressure, when avoiding the fast-open door closure of pressure vessel main part to break down, atmospheric pressure will open the door closure top soon and lead to casualties, reduces the potential safety hazard.

Furthermore, an air pressure scale is fixed on one side of the outer peripheral surface of the threaded pipe, an exhaust hole is formed in one end of the threaded pipe, the insertion pipe is located at the other end, opposite to the exhaust hole, of the threaded pipe, an air vent is formed in the outer peripheral surface of the exhaust hole, the air vent is communicated with the exhaust hole in a penetrating mode, the insertion pipe is located on the inner side of a threaded groove of the pressure control assembly, a pressure threshold value of the position of the threaded pipe can be judged through the air pressure scale, and the maximum air pressure in the pressure container main body can be adjusted in an electrodeless mode through rotation of the threaded pipe in the threaded groove, so that the air pressure scale can be adjusted to the optimal air pressure range of different products, and production efficiency is improved.

Furthermore, the sealing ring of the pressure relief component is attached to one end of the pressure control component, one end of a socket of the movable pipe is inserted into the inner side of a threaded groove of the pressure control component, the threaded pipe is inserted into the inner side of the socket of the movable pipe through an insertion pipe, the insertion pipe is attached to one end of a sealing gasket of the movable pipe, the insertion pipe is located between two air vents of the movable pipe, when air pressure is generated in the pressure container main body, the movable pipe moves in a sliding groove, one end of the movable pipe moves into the threaded groove to protect the pressure container main body, when the air pressure control fails to cause overpressure, the air pressure pushes the movable pipe to the threaded pipe, and the air pressure in the pressure container main body is discharged through an air inlet, an air vent and an exhaust hole by inserting the insertion pipe into the socket, so that the pressure container main body is prevented from being damaged due to overpressure for a long time, and the pressure container main body is prevented from being exploded due to overlarge, reduce the potential safety hazard, prolong the life of pressure vessel main part, after the short time pressure release, the atmospheric pressure in the pressure vessel main part is not enough to the pulling force of balanced first reset spring to the pressure that removes the pipe, removes pipe reverse motion and makes the intubate break away from the socket inboard, and second reset spring drives the movable plate and laminates in the socket inboard and close the blow vent, avoids excessive pressure release to lead to production efficiency to descend.

Furthermore, a quick-opening door cover is clamped at the upper end of the pressure container main body, one end of the outer peripheral surface of the quick-opening door cover is provided with a fixing port in a penetrating mode, a first fixing hole is formed in the inner side of the quick-opening door cover, a second fixing hole is formed in the upper end of the outer peripheral surface of the pressure container main body, foot pads are fixed on the periphery of the bottom end of the pressure container main body, the pressure relief assembly can be stably fixed in the quick-opening door cover through the first fixing hole, the pressure control assembly can be stably fixed at the upper end of the outer side of the pressure container main body through the second fixing hole, the stability of the pressure relief assembly and the pressure control assembly in the working process is guaranteed, the pressure relief assembly and the pressure control assembly can be rapidly replaced when being damaged, and time and labor are saved.

Furthermore, the pressure relief assembly is screwed and fixed on the inner side of the quick-opening door cover of the pressure container main body through a first fixing bolt, the first fixing bolt is screwed and fixed on the inner side of a first fixing hole of the quick-opening door cover, the pressure relief assembly is positioned at one end of the sealing ring and penetrates and is inserted into the inner side of a fixing opening of the quick-opening door cover, the pressure control assembly is screwed and fixed on the upper side of the pressure container main body through a second fixing bolt, the second fixing bolt is screwed and fixed on the inner side of a second fixing hole of the pressure container main body, the threaded pipe is rotated, the maximum air pressure threshold value is adjusted through the air pressure graduated scale, the quick-opening door cover is closed, the pressure relief assembly and the pressure control assembly can protect the pressure container main body, additional energy supply is not needed, the operation is simple, energy is saved, the environment is protected, in addition, the pressure relief assembly can automatically perform pressure relief and prevent excessive pressure relief, and the labor intensity of workers is reduced, the production efficiency is improved.

The utility model has the following beneficial effects:

1. the utility model solves the problems that the prior safety interlocking device of the quick-opening pressure container senses pressure through the pressure sensor, can enable the alarm lamp to flash the red light for reminding when the pressure is over-pressure, improves the safety of the pressure container when in use, avoids explosion caused by over-pressure, has more complex structure, needs to supply energy by electric energy to ensure the normal work of the safety interlocking device, is difficult to remind workers in time when the internal circuit of the safety interlocking device is damaged, has certain potential safety hazard, can drive the movable pipe to move in the pressure relief assembly and the pressure control assembly by taking the air pressure in the pressure container body as power, carries out safety protection, has simple structure, is difficult to damage, does not need additional energy supply, energy conservation and environmental protection.

2. The utility model solves the problems that the prior safety interlocking device has poor safety performance and high safety reliability, when the pressure in the pressure container is over-pressure, the safety interlocking device can remind the staff to check the fault and release the pressure in time, but in the actual use process, the problem that the staff cannot notice the reminding in time can occur, certain potential safety hazard exists, and the problem that the production efficiency is reduced due to excessive pressure relief in the pressure relief process can occur, when overpressure condition occurs in the pressure container main body, the movable pipe is pushed by air pressure to enable the insertion pipe to be inserted into the socket to release pressure in the pressure container main body, manual operation of workers is not needed, potential safety hazard is reduced, and after the pressure is released in a short time, the movable pipe can move reversely to enable the insertion pipe to be separated from the socket, so that excessive pressure release is avoided, and the production efficiency is improved.

3. The utility model solves the problems that the overpressure acousto-optic alarm reminding of the conventional safety interlocking device is usually to alarm when the pressure reaches the set threshold value after being set, the number of the overpressure threshold values which can be set is limited, the range of overpressure is difficult to accurately adjust when different products are produced, and the universality is not high by arranging the pressure control assembly, and the moving distance of the moving pipe can be steplessly adjusted by rotating the threaded pipe in the pressure control assembly, so that the maximum air pressure can be adjusted according to the characteristics of the produced products, and the universality of the safety interlocking device is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural effect diagram of the present invention;

FIG. 3 is a block diagram of a pressure relief assembly of the present invention;

FIG. 4 is a cross-sectional view of a moving tube according to the present invention;

FIG. 5 is a block diagram of a pressure control assembly of the present invention;

FIG. 6 is a structural view of a threaded pipe of the present invention;

fig. 7 is a structural view of the pressure vessel main body of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a pressure relief assembly; 101. moving the tube; 102. a chute; 103. an air inlet; 104. a fixing plate; 105. a first fixing bolt; 106. a seal ring; 107. a first return spring; 108. a vent channel; 109. a limiting plate; 110. a socket; 111. a second return spring; 112. moving the plate; 113. a gasket; 114. a vent; 2. a pressure control assembly; 201. a threaded pipe; 202. a fixed mount; 203. a second fixing bolt; 204. a thread groove; 205. an exhaust hole; 206. an air pressure graduated scale; 207. inserting a tube; 208. a vent hole; 3. a pressure vessel body; 301. quickly opening a door cover; 302. a fixed port; 303. a first fixing hole; 304. a second fixing hole; 305. a foot pad.

Detailed Description

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

Referring to fig. 1-7, the present invention is a transverse-moving safety interlock device for a pressure vessel with a quick-opening door, including a pressure-releasing assembly 1, a pressure-controlling assembly 2 and a pressure vessel body 3, wherein the pressure-releasing assembly 1 is screwed and fixed on the inner side of the pressure vessel body 3, a moving tube 101 is inserted into the inner side of the pressure-releasing assembly 1, when a certain air pressure is generated in the pressure vessel body 3, the air pressure can push the moving tube 101 to move transversely toward the pressure-controlling assembly 2 to lock the pressure vessel body 3, so as to ensure that the pressure vessel body 3 cannot be opened when the air pressure is generated, to avoid safety accidents caused by the opening of the pressure vessel body without the air pressure being released completely, to reduce safety hazards, a moving plate 112 is clamped on the inner side of the moving tube 101, when a set pressure threshold is reached, the moving plate 112 can be squeezed by an insertion tube 207 to release pressure for a short time, to avoid overpressure in the pressure vessel body 3, and to avoid manual pressure release by workers, the pressure vessel is characterized in that potential safety hazards are reduced, after pressure is relieved in a short time, the movable pipe 101 reversely moves for a certain distance according to real-time air pressure in the pressure vessel main body 3 to reset the movable plate 112, and production efficiency is prevented from being reduced due to excessive pressure relief, the pressure control assembly 2 is fixedly screwed at the upper end of the outer side of the pressure vessel main body 3, one end of the pressure control assembly 2 is fixedly screwed with a threaded pipe 201, the distance of the movable pipe 101 moving in the pressure control assembly 2 can be changed through rotation of the threaded pipe 201 in the pressure control assembly 2, and an overpressure threshold value is subjected to stepless adjustment, so that the pressure vessel is suitable for production of different products, and an insertion pipe 207 is fixed at one end of the threaded pipe 201.

As shown in fig. 1-4, a sliding groove 102 is formed at one end of a pressure relief assembly 1, a sealing ring 106 is fixed at the outer side of the end of the sliding groove 102 of the pressure relief assembly 1, an air inlet 103 is formed on the outer peripheral surface of the pressure relief assembly 1, the air inlet 103 is located at the other end of the pressure relief assembly 1 opposite to the sealing ring 106, the air inlet 103 is communicated with the sliding groove 102 in a penetrating manner, a first return spring 107 is fixed at one end of the inner side of the sliding groove 102, a fixing plate 104 is welded at the upper side of the outer peripheral surface of the pressure relief assembly 1, a first fixing bolt 105 is screwed around the upper side of the fixing plate 104, a vent groove 108 is formed at one end of a movable tube 101, a socket 110 is formed at the other end of the movable tube 101 opposite to the vent groove 108, the vent groove 108 is communicated with the socket 110 in a penetrating manner, a limiting plate 109 is welded and fixed at the inner side of the vent groove 108, a sealing gasket 113 is fixed at one end of the movable plate 112, vent holes 114 are formed at the upper and the lower ends of the upper end of the socket 110 in a penetrating manner, a second reset spring 111 is fixedly welded on the other side of the moving plate 112 opposite to the sealing gasket 113, the moving plate 112 is clamped on the inner side of the vent groove 108, the moving plate 112 is attached to the inner side of the socket 110, the vent holes 114 of the moving plate 112 are positioned at the upper end and the lower end of the socket 110, the moving plate 112 is elastically connected with the limiting plate 109 through the second reset spring 111, the moving tube 101 is inserted into the inner side of the sliding groove 102 of the pressure relief assembly 1, the socket 110 of the moving tube 101 is positioned at one end of the sealing ring 106 of the pressure relief assembly 1, the pressure relief assembly 1 is elastically connected with the other end of the moving tube 101 opposite to the socket 110 through the first reset spring 107, after the pressure in the pressure container body 3 rises, the air pressure enters the inner side of the sliding groove 102 through the air inlet 103 and extrudes the moving tube 101, so that the moving tube 101 is inserted into the pressure control assembly 2 to protect the pressure container body 3, and safety accidents caused by the failure of the quick-opening door cover 301 are avoided, when atmospheric pressure reached the threshold value, intubate 207 inserted in socket 110 and made vent 114 and external intercommunication carry out the pressure release, do not need the manual pressure release of staff, reduce staff's intensity of labour, behind the atmospheric pressure decline in pressure vessel main part 3, remove pipe 101 through the pulling force of first reset spring 107 reverse movement in spout 102, make intubate 207 break away from in the socket 110, avoid excessive pressure release to lead to production efficiency's decline, after recovering the ordinary pressure in pressure vessel main part 3, remove pipe 101 and just can retract in pressure release subassembly 1 completely, reduce the potential safety hazard.

As shown in fig. 1, 2, 5, and 6, a fixing frame 202 is welded and fixed on the outer circumferential surface of the pressure control assembly 2, a second fixing bolt 203 is screwed on one side of the fixing frame 202, a threaded groove 204 is penetrated and opened on one end of the pressure control assembly 2, a threaded pipe 201 is screwed inside the threaded groove 204, an air pressure scale 206 is fixed on one side of the outer circumferential surface of the threaded pipe 201, an air vent 205 is opened on one end of the threaded pipe 201, an insertion pipe 207 is located at the other end of the threaded pipe 201 opposite to the air vent 205, an air vent 208 is opened on the outer circumferential surface of the air vent 205, the air vent 208 is communicated with the air vent 205, the insertion pipe 207 is located inside the threaded groove 204 of the pressure control assembly 2, a sealing ring 106 of the pressure relief assembly 1 is attached to one end of the pressure control assembly 2, one end of a socket 110 of the movable pipe 101 is inserted inside the threaded groove 204 of the pressure control assembly 2, the threaded pipe 201 is inserted inside the socket 110 of the movable pipe 101 through the insertion pipe 207, the inserting tube 207 is attached to one end of the sealing gasket 113 of the moving tube 101, the inserting tube 207 is located between two air vents 114 of the moving tube 101, the moving tube 101 can be inserted into the threaded groove 204 when moving outwards under the action of air pressure, so that when the quick-opening door cover 301 of the pressure container main body 3 breaks down, the air pressure can push the quick-opening door cover 301 open to cause casualties, potential safety hazards are reduced, the pressure threshold value of the position of the threaded tube 201 can be judged through the air pressure scale 206, the maximum air pressure in the pressure container main body 3 can be subjected to infinite regulation through the rotation of the threaded tube 201 in the threaded groove 204, the utility model can be regulated to the optimal air pressure range of different products, when the air pressure is generated in the pressure container main body 3, the moving tube 101 moves in the sliding groove 102, one end moves into the threaded groove 204 to protect the pressure container main body 3, when the air pressure control breaks down to cause overpressure, the air pressure pushes the movable pipe 101 to the threaded pipe 201, the insertion pipe 207 is inserted into the socket 110, so that the air pressure in the pressure container main body 3 is discharged through the air inlet 103, the vent groove 108, the vent hole 114, the vent hole 208 and the vent hole 205, damage caused by overpressure in the pressure container main body 3 for a long time is avoided, explosion of the pressure container main body 3 caused by overlarge air pressure is avoided, potential safety hazards are reduced, after pressure relief is performed for a short time, the pressure of the air pressure in the pressure container main body 3 on the movable pipe 101 is not enough to balance the tension of the first return spring 107, the movable pipe 101 moves reversely and reaches balance again under the tension of the first return spring 107, the insertion pipe 207 is separated from the inner side of the socket 110, the second return spring 111 drives the movable plate 112 to be attached to the inner side of the socket 110 and closes the vent hole 114, and reduction of production efficiency caused by excessive pressure relief of the movable plate is avoided.

As shown in fig. 1, 2 and 7, a quick-opening door cover 301 is fastened to the upper end of a pressure vessel main body 3, a fixing opening 302 is formed at one end of the outer peripheral surface of the quick-opening door cover 301 in a penetrating manner, a first fixing hole 303 is formed in the inner side of the quick-opening door cover 301, a second fixing hole 304 is formed in the upper end of the outer peripheral surface of the pressure vessel main body 3, a foot pad 305 is fixed to the periphery of the bottom end of the pressure vessel main body 3, a pressure relief assembly 1 is screwed and fixed to the inner side of the quick-opening door cover 301 of the pressure vessel main body 3 through a first fixing bolt 105, the first fixing bolt 105 is screwed and fixed to the inner side of the first fixing hole 303 of the quick-opening door cover 301, the pressure relief assembly 1 is located at one end of a sealing ring 106 and is screwed and inserted into the inner side of the fixing opening 302 of the quick-opening door cover 301, a pressure control assembly 2 is screwed and fixed to the upper side of the pressure vessel main body 3 through a second fixing bolt 203, the second fixing bolt is screwed and fixed to the inner side of the second fixing hole 304 of the pressure vessel main body 3, the pressure relief assembly 1 can be stably fixed in the quick-opening door cover 301 through the first fixing hole 303, the pressure control assembly 2 can be stably fixed at the upper end of the outer side of the pressure container main body 3 through the second fixing hole 304, the pressure relief assembly 1 and the pressure control assembly 2 can be quickly replaced when being damaged, the threaded pipe 201 is rotated, the maximum air pressure threshold value is adjusted through the air pressure graduated scale 206, the quick-opening door cover 301 is closed, the pressure relief assembly 1 and the pressure control assembly 2 can protect the pressure container main body 3, extra energy supply is not needed, pressure relief can be automatically performed, excessive pressure relief is prevented, and the labor intensity of workers is reduced.

One specific application of this embodiment is: the pressure relief assembly 1 and the pressure control assembly 2 are respectively fixed in the quick-opening door cover 301 and at the upper end of the outer side of the pressure container main body 3 through the first fixing bolt 105 and the second fixing bolt 203, the quick-opening door cover 301 can be tightly attached to one end of the pressure control assembly 2 after being closed, according to the characteristics of a product to be produced, the threaded pipe 201 is rotated, the adjusted maximum air pressure threshold value is determined through the air pressure scale 206, the production efficiency of the product is ensured, the maximum air pressure in the pressure container main body 3 can be infinitely adjusted through the rotation of the threaded pipe 201, the universality of the utility model is greatly improved, after the adjustment is finished, raw materials are put in the pressure container main body 3, the quick-opening door cover 301 is closed, the structure is simple, the operation is easy, the operation difficulty of a worker is reduced, when a certain air pressure is generated in the pressure container main body 3, the air pressure enters the chute 102 through the air inlet 103 and extrudes the moving pipe 101, the movable pipe 101 moves a corresponding distance into the thread groove 204 of the pressure control assembly 2 according to the air pressure, and the quick-opening door cover 301 is locked, so that safety accidents caused by the failure of the quick-opening door cover 301 are avoided, when the pressure vessel main body 3 fails to cause overpressure, the movable pipe 101 moves to one end of the insertion pipe 207 of the adjusted thread pipe 201, and is inserted into the insertion opening 110 through the insertion pipe 207 so as to open the vent hole 114, the air pressure in the pressure vessel main body 3 is discharged through the air inlet 103, the vent groove 108, the vent hole 114, the vent hole 208 and the vent hole 205, so that the damage and explosion of the pressure vessel main body 3 caused by long-time overpressure are avoided, the potential safety hazard is reduced, the service life of the pressure vessel main body 3 is prolonged, and after short-time pressure relief, the pressure of the air pressure in the pressure vessel main body 3 on the movable pipe 101 is insufficient to balance the tension of the first return spring 107, move pipe 101 reverse motion and reach the balance again under the effect of first reset spring 107 pulling force, intubate 207 breaks away from the socket 110 inboardly, second reset spring 111 drives movable plate 112 and laminates in socket 110 inboardly and close vent 114, avoid excessive pressure release to lead to production efficiency to descend, resume the ordinary pressure back in pressure vessel main part 3, move pipe 101 and just can retract in pressure release subassembly 1 completely, reduce the potential safety hazard, pressure release subassembly 1 and pressure control subassembly 2 use the inboard atmospheric pressure of pressure vessel main part 3 as power, use whole journey and need not additionally supply energy, energy-concerving and environment-protective, and can carry out the pressure release automatically and prevent excessive pressure release, reduce staff's intensity of labour, and the production efficiency is improved.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.

Claims (9)

1. The utility model provides a pressure vessel moves formula safety interlock that opens door soon, includes pressure release subassembly (1), pressure control subassembly (2) and pressure vessel main part (3), its characterized in that: the pressure vessel main part (3) inboard connects soon and is fixed with pressure release subassembly (1), pressure release subassembly (1) inboard is pegged graft and is had removal pipe (101), it has movable plate (112) to remove pipe (101) inboard joint, pressure vessel main part (3) outside upper end connects soon and is fixed with pressure control subassembly (2), pressure control subassembly (2) one end has connect soon screwed pipe (201), screwed pipe (201) one end is fixed with intubate (207).

2. The quick-opening transverse-moving type safety interlocking device for the pressure vessel according to claim 1 is characterized in that a sliding groove (102) is formed in one end of the pressure relief assembly (1), a sealing ring (106) is fixed to the outer side of one end, located in the sliding groove (102), of the pressure relief assembly (1), an air inlet (103) is formed in the outer peripheral surface of the pressure relief assembly (1), the air inlet (103) is located in the other end, opposite to the sealing ring (106), of the pressure relief assembly (1), the air inlet (103) and the sliding groove (102) are communicated in a penetrating mode, a first reset spring (107) is fixed to one end, located in the inner side of the sliding groove (102), of the air inlet (103) in a welding mode, a fixing plate (104) is welded to the upper side of the outer peripheral surface of the pressure relief assembly (1), and a first fixing bolt (105) is screwed to the periphery of the upper side of the fixing plate (104).

3. The safety interlock device of claim 1, wherein a vent groove (108) is formed at one end of the moving tube (101), the moving tube (101) is provided with a socket (110) opposite to the other end of the vent groove (108), the vent groove (108) is communicated with the socket (110) in a penetrating manner, a limiting plate (109) is welded and fixed at the inner side of the vent groove (108), the moving plate (112) is provided with a sealing gasket (113) at one end of the socket (110), vent holes (114) are formed at the upper end and the lower end of one side of the moving plate (112) in a penetrating manner, a second return spring (111) is welded and fixed at the other side of the sealing gasket (113) on the moving plate (112), the moving plate (112) is clamped at the inner side of the vent groove (108), the moving plate (112) is jointed at the inner side of the socket (110), the vent holes (114) of the moving plate (112) are provided at the upper end and the lower end of the socket (110), the moving plate (112) is elastically connected with the limiting plate (109) through a second return spring (111).

4. The quick-opening traversing safety interlock device for pressure vessels according to claim 1 is characterized in that the moving pipe (101) is inserted inside the sliding groove (102) of the pressure relief assembly (1), the socket (110) of the moving pipe (101) is positioned at one end of the sealing ring (106) of the pressure relief assembly (1), and the pressure relief assembly (1) is elastically connected with the other end of the moving pipe (101) relative to the socket (110) through the first return spring (107).

5. The quick-opening traversing safety interlock device for the pressure vessel according to claim 1, wherein a fixing frame (202) is welded and fixed on the outer circumferential surface of the pressure control assembly (2), a second fixing bolt (203) is screwed through one side of the fixing frame (202), a threaded groove (204) is screwed through one end of the pressure control assembly (2), and the threaded pipe (201) is screwed inside the threaded groove (204).

6. The quick-opening traversing safety interlock device of the pressure vessel according to claim 1, wherein a pressure scale (206) is fixed on one side of the outer peripheral surface of the threaded pipe (201), one end of the threaded pipe (201) is provided with a vent hole (205), the insertion pipe (207) is positioned at the other end of the threaded pipe (201) opposite to the vent hole (205), the outer peripheral surface of the vent hole (205) is provided with a vent hole (208), the vent hole (208) and the vent hole (205) are communicated in a penetrating manner, and the insertion pipe (207) is positioned inside the threaded groove (204) of the pressure control assembly (2).

7. The safety interlock device with the quick-opening and traversing function for the pressure vessel as claimed in claim 1, wherein the sealing ring (106) of the pressure relief assembly (1) is attached to one end of the pressure control assembly (2), one end of the socket (110) of the movable tube (101) is inserted into the inner side of the threaded groove (204) of the pressure control assembly (2), the threaded tube (201) is inserted into the inner side of the socket (110) of the movable tube (101) through the insertion tube (207), the insertion tube (207) is attached to one end of the sealing gasket (113) of the movable tube (101), and the insertion tube (207) is located between the two air vents (114) of the movable tube (101).

8. The pressure vessel quick-opening door traversing safety interlock device according to claim 1, wherein a quick-opening door cover (301) is fastened to an upper end of a pressure vessel main body (3), a fixing port (302) is formed in one end of the outer peripheral surface of the quick-opening door cover (301) in a penetrating manner, a first fixing hole (303) is formed in the inner side of the quick-opening door cover (301), a second fixing hole (304) is formed in the upper end of the outer peripheral surface of the pressure vessel main body (3), and a foot pad (305) is fixed around the bottom end of the pressure vessel main body (3).

9. The safety interlock device with the transversely moving pressure vessel door as claimed in claim 1, wherein the pressure relief assembly (1) is screwed and fixed inside the quick-opening door cover (301) of the pressure vessel body (3) through a first fixing bolt (105), the first fixing bolt (105) is screwed and fixed inside the first fixing hole (303) of the quick-opening door cover (301), the pressure relief assembly (1) is located at one end of the sealing ring (106) and is inserted inside the fixing port (302) of the quick-opening door cover (301), the pressure control assembly (2) is screwed and fixed on the upper side of the pressure vessel body (3) through a second fixing bolt (203), and the second fixing bolt (203) is screwed and fixed inside the second fixing hole (304) of the pressure vessel body (3).

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