CN212537524U

CN212537524U - Safety device is used in PVC production

Info

Publication number: CN212537524U
Application number: CN202021034476.4U
Authority: CN
Inventors: 贾启; 王金良; 孔涛
Original assignee: Shandong Xinfa Chemical Co ltd
Current assignee: Shandong Xinfa Chemical Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-12
Anticipated expiration: 2030-06-08

Abstract

The utility model provides a safety protection device for PVC production, which relates to the technical field of chemical production and comprises a long pipeline and a three-way pipeline, wherein a central pin shaft is arranged at a corner close to the long pipeline inside the three-way pipeline, a sealing plate is arranged on the surface of the central pin shaft, a main pipeline limiting block is arranged at a position far away from the central pin shaft inside the three-way pipeline, a standby pipeline limiting block is arranged at a corner far away from the long pipeline inside the three-way pipeline, an electromagnetic chassis is arranged at a position close to the corner of the long pipeline outside the three-way pipeline, second-stage nitrogen and caustic soda first-second-stage nitrogen pipelines are adopted for connection, a partition component and a pressure transmission patch are added, the position of the sealing plate is adjusted according to the change of pressure intensity in the pipeline, the phenomenon that the whole plant stops due to low pressure intensity caused by the occurrence of equipment is, the standby equipment can be started or the communication valve can be opened at any time, and safety guarantee is brought to production.

Description

Safety device is used in PVC production

Technical Field

The utility model relates to a chemical production technical field especially relates to a safety device is used in PVC production.

Background

PVC second phase nitrogen gas and caustic soda first second phase nitrogen gas pipe connection and add the hand valve, prevent that caustic soda first second phase nitrogen gas or PVC second phase equipment from appearing the problem and causing pressure to hang down excessively, lead to the whole factory to shut down, do not have standby equipment at present, have brought certain potential safety hazard for production. The safety protection device is a device for isolating human body from production danger by using a screen protection method. Dangerous parts in production include a running part that may contact machine equipment during operation, a place where chips of processing materials may fly out, a charged part, a high-temperature part, and a radiant heat zone that are easily accessible on machine equipment, and a place where falling, etc. may be caused in a factory, a workplace, etc. The protective device is created according to the principle of isolating dangerous factors, and plays an important role in preventing casualty accidents. The necessary safety devices must be considered in the design, manufacture, installation, acceptance and use of the machine. The safety protection device comprises a screen protection device, an electric leakage protection device, an interlocking device arranged between the breaker and the disconnecting switch operating mechanism, an interlocking device arranged between a switch of the power capacitor and a discharging load of the power capacitor, and the like; lightning protection, including lightning rod, lightning conductor, lightning net, lightning belt, lightning receptor, down conductor, earthing device, etc.; the boiler comprises a pressure gauge, a water level meter, an overtemperature alarm and interlocking protection device, a high-low water level alarm and low-low water level interlocking protection device, a boiler flameout protection device, a boiler automatic control device, a blow-down valve or a water drainage device and the like; pressure vessels such as emergency shut-off valves; machinery, such as a fixed safety protection device, an interlocking safety device, a control safety device, an automatic safety device, an isolation safety device, an adjustable safety device, an automatic adjusting safety device, a tripping safety device, a two-hand control safety device and the like.

According to the patent document with the patent number CN104353199B, the present invention provides a safety protection device, which comprises: a seat belt, a plurality of MEMS motion sensing components, a pressure sensor, a processor, and an alarm device. One end of the safety belt is provided with a first fixing piece fixed on the hanging object, and the other end of the safety belt is provided with a second fixing piece fixed on the body of a constructor. The pressure sensor detects the pressure born by the first fixing piece and the second fixing piece so as to judge whether the locking state is achieved. The MEMS motion sensing components detect the shape parameters of the safety belt to judge the shape of the safety belt. When the first fixing piece and the second fixing piece are in a locking state, the processor judges whether the safety belt is worn correctly according to the shape parameters of the safety belt. When the processor judges that the safety belt is not locked and/or is not worn correctly, the alarm device gives an alarm. The device has simple structure, is easy to realize, and can accurately judge whether the safety belt is worn correctly.

However, the phenomenon that the production equipment leaks air to cause the whole parking can still appear when the device is actually used, and the device is damaged or the air leakage step problem occurs, and the device needs to be replaced after the whole parking operation, so that the production efficiency is slow and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a safety protection device for PVC production.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a PVC production is with safety device, includes microscler pipeline and three-way pipeline, microscler pipeline both ends horizontally connected has the three-way pipeline, the inside corner that is close to microscler pipeline one end of three-way pipeline is equipped with the center pin axle, and center pin axle and three-way pipeline inner wall fixed connection, center pin axle outside surface is equipped with the closing plate, and closing plate one end and center pin axle swing joint, one side that the center pin axle was kept away from to three-way pipeline inboard is equipped with the trunk line stopper, the trunk line stopper contacts with the face that the closing plate is close to microscler pipeline, the inside corner of keeping away from microscler pipeline one end of three-way pipeline is equipped with the reserve pipeline.

Preferably, a communicating component is arranged between the long pipeline and the three-way pipeline, the communicating component comprises a shell and fixing pieces, the fixing pieces are located on two sides of the shell, and the fixing pieces are fixedly connected with the shell.

Preferably, the fixing part close to the three-way pipeline is in threaded connection with the three-way pipeline, the fixing part far away from the three-way pipeline is in threaded connection with the long pipeline, a pressure transmission patch is arranged at the thin wall part in the fixing part far away from the three-way pipeline, and the pressure transmission patch is fixedly connected with the fixing part.

Preferably, a door-shaped pipeline is arranged at the top of the three-way pipeline and welded with the three-way pipeline, and a sealing flange is arranged at one end, far away from the three-way pipeline, of the door-shaped pipeline and is fixedly connected with the door-shaped pipeline.

Preferably, the side face, far away from the door-shaped pipeline, of the sealing flange is provided with an electromagnetic valve, the outer side surface of the electromagnetic valve is provided with a data interface, and the top of the electromagnetic valve is provided with a pressure display instrument.

Preferably, a partition assembly is arranged inside the three-way pipeline and comprises a center pin shaft, a sealing plate, a main pipeline limiting block and a standby pipeline limiting block.

Preferably, the three-way pipeline, the partition component, the communicating component, the sealing flange, the door-shaped pipeline and the electromagnetic chassis are arranged in a mirror symmetry mode.

Advantageous effects

The utility model discloses in, adopt two stage nitrogen gas and caustic soda one or two stage nitrogen gas pipe connection and add and cut off the subassembly, can adjust the position of closing plate according to the change of pressure in the pipeline, prevent that caustic soda one or two stage nitrogen gas or PVC two stage equipment from going wrong and causing pressure to hang down excessively, lead to whole factory to park.

The utility model discloses in, adopt second phase nitrogen gas and caustic soda first and second phase nitrogen gas pipe connection and increase the intercommunication subassembly, connect both sides pipeline through the mounting, when the equipment pipeline takes place to leak gas or damaged scheduling problem, can start the standby equipment at any time or open the intercommunication valve, brought effectual safety guarantee for production.

Drawings

FIG. 1 is an isometric view of a safety shield for PVC production;

FIG. 2 is a front view of a safety shield for PVC manufacturing;

FIG. 3 is a cross-sectional view of a safety shield apparatus for PVC manufacturing;

FIG. 4 is a left side view of a safety shield for PVC manufacturing;

fig. 5 is an enlarged view of fig. 3-a.

Illustration of the drawings:

1. an electromagnetic valve; 2. sealing the flange; 3. a data interface; 4. a door-shaped duct; 5. an elongate conduit; 6. a three-way pipeline; 7. a communicating component; 8. a housing; 9. a fixing member; 10. pressing and transmitting the patch; 11. a partition assembly; 12. a center pin; 13. a main pipeline limiting block; 14. a standby pipeline limiting block; 15. a sealing plate; 16. a pressure display instrument; 17. an electromagnetic chassis.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-5, a safety protection device for PVC production comprises a long pipe 5 and a three-way pipe 6, wherein two ends of the long pipe 5 are horizontally connected with the three-way pipe 6, a central pin 12 is arranged at a corner near one end of the long pipe 5 in the three-way pipe 6, the central pin 12 is fixedly connected with the inner wall of the three-way pipe 6, a sealing plate 15 is arranged on the outer surface of the central pin 12, one end of the sealing plate 15 is movably connected with the central pin 12, one end of the sealing plate 15 far away from the central pin 12 is not fixed with the three-way pipe 6, so that the sealing plate 15 can rotate around a shaft, a limit block 13 is arranged at one side of the three-way pipe 6 far away from the central pin 12, the limit block 13 of the main pipe is contacted with the surface of the sealing plate 15 near the long pipe 5, a limit block 14 of a spare, the surface of a rotating shaft is provided with an N pole magnetic block, the surface of an electromagnetic chassis 17 corresponding to a center pin shaft 12 is provided with an S pole magnetic block, a main pipeline limiting block 13 is in a normally closed state when the equipment runs, a standby pipeline limiting block 14 is in a normally open state when the equipment runs normally, the standby pipeline limiting block 14 is opened to fix a sealing plate 15 between the cross sections of the standby pipelines by rotating around the center pin shaft 12, the normal running of the main pipeline is ensured, when the long pipeline 5 has an equipment fault, a pressure patch senses the change of the internal pressure of the long pipeline 5, the electromagnetic chassis 17 is electrified to generate a magnetic field to drive the center pin shaft 12 to rotate, the sealing plate 15 rotates to the cross section of the main pipeline, the main pipeline limiting block 13 sucks the sealing plate 15 to cut off the circulation of the main pipeline, so that gas can circulate through a, the communicating component 7 comprises a shell 8 and a fixing part 9, the fixing part 9 is positioned at two sides of the shell 8, the fixing part 9 is fixedly connected with the shell 8, the fixing part 9 close to the three-way pipeline 6 is in threaded connection with the three-way pipeline 6, the fixing part 9 far away from the three-way pipeline 6 is in threaded connection with the long pipeline 5, a pressure transmission patch 10 is arranged at the thin wall part inside the fixing part 9 far away from the three-way pipeline 6, the pressure transmission patch 10 is fixedly connected with the fixing part 9, the fixing part 9 is in threaded detachable connection with the long pipeline 5, when the equipment fails, old equipment can be quickly replaced, new equipment is updated, a door-shaped pipeline is arranged at the top of the three-way pipeline 6, the door-shaped pipeline 4 is welded with the three-way pipeline 6, a sealing flange 2 is arranged at one end of the door-shaped pipeline 4 far away from the three-way, 1 outside surface of solenoid valve is equipped with

data interface

3, 1 top of solenoid valve is equipped with pressure display instrument 16, with the external instrument of data interface 3, the data of pipeline internal pressure can be watched at any time to accessible pressure display instrument 16, so that can perceive at any time when pipeline pressure is unusual, three way pipe 6 is inside to be equipped with cuts off subassembly 11, cut off subassembly 11 including central pin axle 12, closing plate 15, trunk line stopper 13 and reserve pipeline stopper 14, three way pipe 6, cut off subassembly 11, intercommunication subassembly 7, sealing flange 2, portal pipe 4 and electromagnetism chassis 17 are mirror symmetry and set up, the accurate errorless operation of gas accessible reserve pipeline when equipment trouble can be guaranteed in the symmetrical design.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a safety device is used in PVC production, includes microscler pipeline (5) and tee bend pipeline (6), its characterized in that: two ends of the long pipeline (5) are horizontally connected with a three-way pipeline (6), a corner part of the interior of the three-way pipeline (6) close to one end of the long pipeline (5) is provided with a central pin shaft (12), and the central pin shaft (12) is fixedly connected with the inner wall of the three-way pipeline (6), a sealing plate (15) is arranged on the outer surface of the central pin shaft (12), one end of the sealing plate (15) is movably connected with the central pin shaft (12), one side of the inner side of the three-way pipeline (6) far away from the central pin shaft (12) is provided with a main pipeline limiting block (13), the main pipeline limiting block (13) is contacted with the surface of the sealing plate (15) close to the long pipeline (5), a spare pipeline limiting block (14) is arranged at the corner of one end of the three-way pipeline (6) far away from the long pipeline (5), an electromagnetic chassis (17) is arranged at the corner of the outer part of the three-way pipeline (6) close to one end of the long pipeline (5).

2. The safety device for PVC production according to claim 1, wherein: a communicating component (7) is arranged between the long pipeline (5) and the three-way pipeline (6), the communicating component (7) comprises a shell (8) and fixing pieces (9), the fixing pieces (9) are located on two sides of the shell (8), and the fixing pieces (9) are fixedly connected with the shell (8).

3. The safety device for PVC production according to claim 2, characterized in that: the fixing piece (9) close to the three-way pipe (6) is in threaded connection with the three-way pipe (6), the fixing piece (9) far away from the three-way pipe (6) is in threaded connection with the long pipe (5), a pressure transmission patch (10) is arranged at the thin wall inside the fixing piece (9) far away from the three-way pipe (6), and the pressure transmission patch (10) is fixedly connected with the fixing piece (9).

4. The safety device for PVC production according to claim 1, wherein: the top of the three-way pipeline (6) is provided with a door-shaped pipeline, the door-shaped pipeline (4) is welded with the three-way pipeline (6), one end, away from the three-way pipeline (6), of the door-shaped pipeline (4) is provided with a sealing flange (2), and the sealing flange (2) is fixedly connected with the door-shaped pipeline (4).

5. The safety device for PVC production according to claim 4, wherein: the side, far away from door shape pipeline (4), of sealing flange (2) is equipped with solenoid valve (1), solenoid valve (1) outside surface is equipped with data interface (3), solenoid valve (1) top is equipped with pressure display appearance (16).

6. The safety device for PVC production according to claim 1, wherein: the three-way pipeline (6) is internally provided with a partition component (11), and the partition component (11) comprises a center pin shaft (12), a sealing plate (15), a main pipeline limiting block (13) and a standby pipeline limiting block (14).

7. The safety device for PVC production according to claim 1, wherein: the three-way pipe (6), the partition component (11), the communicating component (7), the sealing flange (2), the door-shaped pipe (4) and the electromagnetic chassis (17) are arranged in a mirror symmetry mode.