CN216201066U

CN216201066U - Blasting needle type emergency pressure relief device with water pressure alarm function

Info

Publication number: CN216201066U
Application number: CN202122081519.5U
Authority: CN
Inventors: 李忠芳; 蔡德强
Original assignee: Hanzhong Nanjing Technology Co ltd
Current assignee: Hanzhong Nanjing Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-04-05
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a blasting needle type emergency pressure relief device with a water pressure alarm function, relates to the technical field of blasting needle valves, and aims to solve the problem that when the existing blasting needle type emergency pressure relief device on the market is used, most of the existing blasting needle type emergency pressure relief devices do not have a pressure alarm mechanism, so that workers cannot know the internal conditions of the device at the first time. The utility model discloses an emergency pressure relief device, including emergent pressure relief device mobile jib, emergent pressure relief device mobile jib up end is provided with the first connection body of rod, the up end of the first connection body of rod is provided with the needle cage, the up end of needle cage is provided with detection pressure mechanism, the preceding terminal surface of needle cage is provided with pressure hand valve mechanism, the up end of pressure hand valve mechanism is provided with warning jingle bell mechanism, detection pressure mechanism and warning jingle bell mechanism electric connection, the inside of warning jingle bell mechanism is provided with cavity in the third, the inside of cavity is provided with the treater in the third, the top of treater is provided with the mechanism of whistling.

Description

Blasting needle type emergency pressure relief device with water pressure alarm function

Technical Field

The utility model relates to the technical field of blasting needle valves, in particular to a blasting needle type emergency pressure relief device with a water pressure alarm function.

Background

The explosion needle valve is also called a buckling needle valve, is a non-reclosing type safety pressure relief device, belongs to one type of pressure relief valve, and has the same function as a rupture disk and a safety valve. The safety pressure relief device is an appliance for preventing overpressure of a boiler and a pressure container. It has the functions of: when the pressure container is regulated to the set pressure, the pressure container can be automatically opened to discharge the medium in the container, so that the pressure in the boiler and the pressure container is always kept in the highest pressure allowable range. The explosion needle valve has excellent safety performance, such as high stability, high precision, corrosion resistance, high-grade sealing and the like, so that the explosion needle valve is widely applied to the industrial fields of chemical industry, metallurgy, oil and gas production, food processing, pipeline transportation, paper pulp and paper making, well drilling, torch systems, light industry, nuclear power, fire fighting, aviation and the like. The explosion needle valve belongs to a safety pressure relief device and is used for protecting pressure-bearing equipment and personnel safety and reducing loss. The explosion needle valve is mainly installed on the pressure vessels such as pipelines, reaction kettles, boilers and the like.

However, most of the existing blasting needle type emergency pressure relief devices on the market are not provided with a pressure alarm mechanism when in use, so that the problem that workers cannot know the internal conditions of the device at the first time is caused; therefore, the existing requirements are not met, and a blasting needle type emergency pressure relief device with a water pressure alarm function is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a blasting needle type emergency pressure relief device with a water pressure alarm function, and aims to solve the problem that most of the conventional blasting needle type emergency pressure relief devices on the market in the background technology are not provided with a pressure alarm mechanism when in use, so that a worker cannot know the internal condition of the device at the first time.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an urgent pressure relief device of blasting needle type with water pressure alarm function, includes urgent pressure relief device mobile jib, urgent pressure relief device mobile jib up end is provided with the first body of rod of connecting, the up end of the first body of rod of connecting is provided with the needle cage, the up end of needle cage is provided with detection pressure mechanism, the preceding terminal surface of needle cage is provided with pressure hand valve mechanism, the up end of pressure hand valve mechanism is provided with warning jingle bell mechanism, detection pressure mechanism and warning jingle bell mechanism electric connection, the inside of warning jingle bell mechanism is provided with cavity in the third, the inside of cavity in the third is provided with the treater, the top of treater is provided with the mechanism of whistling.

Preferably, the lower terminal surface of urgent pressure relief device mobile jib is provided with the circulation node, the terminal surface of circulation node and urgent pressure relief device mobile jib all is provided with first ring flange, and first ring flange is provided with two, two first ring flange all is through first hex bolts threaded connection, and first hex bolts is provided with a plurality of, the inside at circulation node both ends all is provided with the mounting hole groove, and the mounting hole groove is provided with a plurality of.

Preferably, one side of the needle cage is provided with a pressure box body, the lower end face of the pressure box body is provided with a pressure relief discharge port, and the lower end face of the pressure relief discharge port is provided with a discharge nozzle.

Preferably, the upper end face of the pressure box body is provided with a second connecting rod body, a sealing cover plate is arranged above the second connecting rod body, a second flange plate is arranged on the end faces of the sealing cover plate and the second connecting rod body, the second flange plate is provided with two flange plates, the two flange plates are connected through second hexagonal bolts in a threaded mode, and the number of the second hexagonal bolts is four.

Preferably, a first inner cavity is arranged in the main rod of the emergency pressure relief device, a valve rod is arranged in the first inner cavity, and a plunger type valve clack is arranged on the lower end face of the valve rod.

Preferably, a second inner cavity is arranged inside the needle cage, a blasting needle is arranged inside the second inner cavity, a detection base point is arranged inside the pressure detection mechanism, and the upper end of the blasting needle is installed on the detection base point.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arranged warning bell mechanism and the processor and the whistle mechanism arranged in the warning bell mechanism, when the medium pressure reaches the instability critical load of the blasting needle, the blasting needle is unstable and loses bearing capacity, so that the plunger type valve clack is instantaneously separated from the valve seat, accurate and rapid pressure relief is realized, a signal is transmitted to the warning bell mechanism from a detection base point immediately during separation, and the processor sends the signal to the whistle mechanism to make the whistle mechanism sound, so that a worker can know the pressure at the first time, and the problem that the worker cannot know the internal condition of the device at the first time due to the fact that most of the existing blasting needle type emergency pressure relief devices on the market are not provided with the pressure alarm mechanism during use is solved.

2. Through the detection base point that sets up in detecting pressure mechanism, can be when the blasting needle takes place deformation, effectual analysis and signal transmission handle carry out at once, improve the device's work efficiency.

Drawings

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

FIG. 2 is a schematic diagram of a partial internal structure of a main rod of the emergency pressure relief device according to the present invention;

FIG. 3 is a schematic diagram of the internal mechanism of the alarm ringing mechanism of the present invention;

in the figure: 1. a main rod of the emergency pressure relief device; 2. a flow-through node; 3. a first flange plate; 4. a first hexagon bolt; 5. mounting a hole groove; 6. a first connecting rod body; 7. a needle cage; 8. detecting a pressure mechanism; 9. a pressure tank body; 10. sealing the cover plate; 11. a second connecting rod body; 12. a second flange plate; 13. a second hexagon bolt; 14. a warning bell mechanism; 15. a pressure hand valve mechanism; 16. a pressure relief outlet port; 17. a discharging nozzle; 18. a first inner cavity; 19. a valve stem; 20. a plunger type valve clack; 21. a second inner cavity; 22. a blasting needle; 23. detecting a base point; 24. a third inner cavity; 25. a processor; 26. a whistling mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides an urgent pressure relief device of blasting needle type with water pressure warning function, including urgent pressure relief device

mobile jib

1, 1 up end of urgent pressure relief device mobile jib is provided with the head rod body 6, the up end of head rod body 6 is provided with needle cage 7, the up end of needle cage 7 is provided with detection pressure mechanism 8, the preceding terminal surface of needle cage 7 is provided with pressure hand valve mechanism 15, the up end of pressure hand valve mechanism 15 is provided with warning jingle mechanism 14, the setting of warning jingle mechanism 14, make the device can have pressure alarm effect,

detection pressure mechanism

8 and 14 electric connection of warning jingle mechanism, the inside of warning jingle mechanism 14 is provided with cavity 24 in the third, the inside of cavity 24 in the third is provided with treater 25, the top of treater 25 is provided with whistling mechanism 26.

Further, the lower terminal surface of urgent pressure relief device mobile jib 1 is provided with circulation node 2, the terminal surface of circulation node 2 and urgent pressure relief device mobile jib 1 all is provided with first ring flange 3, and first ring flange 3 is provided with two, and two first ring flanges 3 all are through 4 threaded connection of first hexagon bolt, and first hexagon bolt 4 is provided with a plurality of, and the inside at 2 both ends of circulation node all is provided with mounting hole groove 5, and mounting hole groove 5 is provided with a plurality of.

Further, a pressure box 9 is arranged on one side of the needle cage 7, a pressure relief discharge port 16 is arranged on the lower end face of the pressure box 9, and a discharge nozzle 17 is arranged on the lower end face of the pressure relief discharge port 16.

Further, the upper end face of the pressure box body 9 is provided with a second connecting rod body 11, a sealing cover plate 10 is arranged above the second connecting rod body 11, second flange plates 12 are arranged on the end faces of the sealing cover plate 10 and the second connecting rod body 11, the second flange plates 12 are arranged in two numbers, the two second flange plates 12 are connected through second hexagon bolts 13 in a threaded mode, the second hexagon bolts 13 are arranged in four numbers, and the second hexagon bolts 13 are arranged so that the pressure box body can be mounted or dismounted conveniently.

Further, a first inner cavity 18 is arranged inside the main rod 1 of the emergency pressure relief device, a valve rod 19 is arranged inside the first inner cavity 18, and a plunger type valve clack 20 is arranged on the lower end surface of the valve rod 19.

Further, a second inner cavity 21 is arranged inside the needle cage 7, a blasting needle 22 is arranged inside the second inner cavity 21, a detection base point 23 is arranged inside the detection pressure mechanism 8, the upper end of the blasting needle 22 is mounted on the detection base point 23, and the blasting needle 22 has a force medium transmission effect.

The working principle is as follows: when external liquid passes through a flow node 2 on the device, the liquid is subjected to pressure by a valve rod 19 and a plunger type valve clack 20, under a normal working condition, the inlet pressure P of the device is lower than a set pressure, an axial compression load F of the plunger type valve clack 20, which is exerted on a blasting needle 22 through the valve rod 19, is also lower than a destabilization critical load Fcr of the blasting needle 22, the blasting needle 22 is kept stable, at the moment, the counter thrust of the blasting needle 22 pushes the plunger type valve clack 20 to a valve seat through the valve rod 19, so that the plunger type valve clack 20 is tightly contacted with the valve seat to form sealing, when the medium pressure reaches the destabilization critical load of the blasting needle 22, the blasting needle 22 is destabilized and loses bearing capacity, so that the plunger type valve clack 20 is separated from the valve seat instantly, accurate and quick separation is realized, a signal is immediately transmitted to a warning belling mechanism 14 through a detection base point 23 during separation, and a processor 25 transmits a signal to a whistle mechanism 26, so that it can make a sound so that the staff can know it at the first time.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a blasting needle type emergency pressure relief device with water pressure alarm function, includes emergency pressure relief device mobile jib (1), its characterized in that: the utility model discloses an emergency pressure relief device, including emergent pressure relief device mobile jib (1), the up end of emergent pressure relief device mobile jib (1) up end is provided with the first connection body of rod (6), the up end of first connection body of rod (6) is provided with needle cage (7), the up end of needle cage (7) is provided with detection pressure mechanism (8), the preceding terminal surface of needle cage (7) is provided with pressure hand valve mechanism (15), the up end of pressure hand valve mechanism (15) is provided with warning jingle bell mechanism (14), detect pressure mechanism (8) and warning jingle bell mechanism (14) electric connection, the inside of warning jingle bell mechanism (14) is provided with cavity (24) in the third, the inside of cavity (24) in the third is provided with treater (25), the top of treater (25) is provided with the mechanism of whistling (26).

2. The apparatus of claim 1, wherein the pressure relief device comprises: the lower terminal surface of urgent pressure relief device mobile jib (1) is provided with circulation node (2), the terminal surface of circulation node (2) and urgent pressure relief device mobile jib (1) all is provided with first ring flange (3), and first ring flange (3) are provided with two, two first ring flange (3) all are through first hex bolts (4) threaded connection, and first hex bolts (4) are provided with a plurality of, the inside at circulation node (2) both ends all is provided with mounting hole groove (5), and mounting hole groove (5) are provided with a plurality of.

3. The apparatus of claim 1, wherein the pressure relief device comprises: one side of needle cage (7) is provided with pressure tank (9), the lower terminal surface of pressure tank (9) is provided with pressure release discharge port (16), the lower terminal surface of pressure release discharge port (16) is provided with ejection of compact mouth (17).

4. The apparatus of claim 3, wherein the pressure relief device comprises: the up end of pressure tank body (9) is provided with the second connecting rod body (11), the top of the second connecting rod body (11) is provided with the apron (10), all be provided with second ring flange (12) on the terminal surface of the apron (10) and the second connecting rod body (11), and second ring flange (12) are provided with two, two all through second hex bolts (13) threaded connection between second ring flange (12), and second hex bolts (13) are provided with four.

5. The apparatus of claim 1, wherein the pressure relief device comprises: a first inner cavity (18) is arranged in the main rod (1) of the emergency pressure relief device, a valve rod (19) is arranged in the first inner cavity (18), and a plunger type valve clack (20) is arranged on the lower end face of the valve rod (19).

6. The apparatus of claim 1, wherein the pressure relief device comprises: the inside of needle cage (7) is provided with second interior cavity (21), the inside of second interior cavity (21) is provided with blasting needle (22), the inside of detecting pressure mechanism (8) is provided with detects basic point (23), install on detecting basic point (23) the upper end of blasting needle (22).