CN111006051B - Welding type blasting piece device and blasting piece processing method - Google Patents
Welding type blasting piece device and blasting piece processing method Download PDFInfo
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- CN111006051B CN111006051B CN201911248483.6A CN201911248483A CN111006051B CN 111006051 B CN111006051 B CN 111006051B CN 201911248483 A CN201911248483 A CN 201911248483A CN 111006051 B CN111006051 B CN 111006051B
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- valve body
- rupture disk
- welded
- pressing ring
- phi
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
- F16K17/403—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint with a fracturing valve member
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2219/00—Indexing scheme relating to application aspects of data processing equipment or methods
- G06F2219/10—Environmental application, e.g. waste reduction, pollution control, compliance with environmental legislation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention belongs to the safety technology of pressure equipment, and particularly relates to a welding type rupture disk device and a rupture disk processing method. Comprises a pressing ring (1), a valve body (2), an O-shaped ring (3) and a rupture disc (4); the valve body (2) is of a step structure, the upper end of the valve body is a hexagonal body, the middle part of the hexagonal body is provided with an exhaust hole (5), the lower end of the hexagonal body is provided with a groove, an O-shaped ring (3) is arranged in the groove, the middle end of the valve body (2) is provided with an external thread, the lower end of the valve body is sequentially provided with a rupture disk (4) and a pressing ring (1), and the three are welded after being compressed; the fragment processing method analyzes the flow direction of fragments through fluid simulation, and the exhaust hole in the valve body (2) is designed into a porous structure so as to achieve the purpose that the fragments are remained in the valve body (2) and do not fly out.
Description
Technical Field
The invention belongs to the safety technology of pressure equipment, and particularly relates to a welding type rupture disk device and a rupture disk processing method.
Background
In the process equipment and storage and transportation equipment of chemical industry and other industries, the processed materials are mostly fluid liquid, gas or steam. In order to meet the requirements of process and storage, the equipment for treating these fluid materials should have a certain pressure bearing capacity. The pressure-bearing capacity of the equipment is generally set during the design of the equipment, and once the actual pressure of the fluid exceeds the pressure-bearing capacity of the equipment, the equipment is subjected to excessive plastic deformation and even breaks, so that the equipment is damaged. A rupture disk device is a safety device that prevents overpressure damage to fluid pressure equipment. The rupture disk is a core component of the safety valve and is a pressure sensitive element which can act rapidly due to overpressure. The invention provides a fragment processing method for solving the fragment problem, which is used for greatly reducing the manufacturing cost.
Disclosure of Invention
The purpose of the invention is as follows: the problem that weakening grooves are carved on the blasting sheet and the manufacturing cost is high is solved, and a fragment processing method is provided.
The technical scheme of the invention is as follows: the utility model provides a welded rupture disk device which characterized in that: comprises a pressing ring 1, a valve body 2, an O-shaped ring 3 and a rupture disk 4; valve body 2 is the stair structure, and the upper end is the hexagonal body, and the hexagonal body middle part is equipped with exhaust hole 5, and the hexagonal body lower extreme is equipped with the slot, and O type circle 3 dress is in the slot, and 2 middle ends of valve body are provided with the external screw thread, and rupture disk 4, clamping ring 1 are placed in proper order to the lower extreme, and the three compresses tightly the back welding.
The exhaust holes 5 are of a porous structure.
The porous structure is 3 through holes which are uniformly distributed.
The diameters of the 3 through holes are phi 1mm, phi 1.2mm and phi 2mm respectively.
The outer surface of one side of the pressing ring 1 close to the valve body 2 is provided with a boss, and the valve body 2 is provided with a corresponding boss corresponding to the pressing ring 1.
The rupture disk 4 is of a circular plate-shaped structure.
The blasting fragment processing method is characterized by comprising the following steps: the method comprises the following steps:
(1) establishing a fluid model;
(2) defining conditions for fluid flow in and out;
(3) defining a porous medium:
(4) calculating the flow field speed and the flow track;
(5) and analyzing the porous flow result according to the calculated flow field speed and the flow track.
The conditions of the fluid inflow and outflow are a pressure value and a speed value respectively.
The porous medium is nitrogen.
The invention has the beneficial effects that: the fragment processing method has simple structure and low manufacturing cost.
Drawings
FIG. 1 is a schematic view of a welded rupture disk of the present invention;
FIG. 2 is an enlarged view of the invention at I
Fig. 3 is a schematic view of the vent structure of the present invention.
Wherein, 1: pressing ring, 2: valve body, 3: o-ring, 4: rupture disk, 5: and (4) exhausting holes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, a welded rupture disk device includes a pressing ring 1, a valve body 2, an O-ring 3, and a rupture disk 4; the valve body 2 is of a step structure, the upper end of the valve body is a hexagonal body, the middle part of the hexagonal body is provided with an exhaust hole 5, the exhaust hole 5 is of a porous structure and is provided with 3 through holes which are uniformly distributed, the diameters of the 3 through holes are phi 1mm, phi 1.2mm and phi 2mm respectively, the exhaust hole is used for exhausting gas after blasting, and fragments fly out at a lower initial speed; the hexagonal body lower extreme is equipped with the slot, and O type circle 3 dress is in the slot, and 2 middle-ends of valve body are provided with the external screw thread, and rupture disk 4, clamping ring 1 are placed in proper order to the lower extreme, and the three compresses tightly the back welding.
The outer surface of one side of the pressing ring 1 close to the valve body 2 is provided with a boss, and the valve body 2 is provided with a corresponding boss corresponding to the pressing ring 1. The rupture disk 4 is of a circular plate-shaped structure.
The fragment processing method relates to a welding type rupture disk device, an exhaust hole structure and a fragment processing method, and comprises a pressing ring 1, a valve body 2, an O-shaped ring 3, a rupture disk 4 and an exhaust hole 5.
The pressing ring 1 is formed by processing a stainless steel bar, is shaped like a circular ring with a boss at one end, and has the outer diameter of phi 9.6mm, the inner diameter of phi 5mm, the boss width of 0.2mm and the outer diameter of phi 10 mm;
the valve body 2 is processed by a stainless steel bar, the middle end of the valve body is provided with external threads, the threads are M14 multiplied by 1.5-7h, the lower end of the valve body is provided with a boss, the width of the boss is 0.2mm, the external diameter is phi 10mm, the upper end of the valve body is of an external hexagonal structure, and the size of the boss is S19;
the O-shaped ring 3 is made of silicon rubber, the diameter of the cross section is phi 2.5mm, and the inner diameter is phi 11.3 mm;
the rupture disk 4 is made of stainless steel or an inconel metal sheet structure, and the diameter is phi 10 mm;
the blasting fragment processing method comprises the following steps: the flow direction of the fragments is analyzed through fluid simulation, and the exhaust holes in the valve body 2 are of a porous structure, so that the initial flying speed of the fragments is low.
Establishing a fluid model after blasting of the rupture disk through simulation software Solidworks flow simulation, and analyzing a flow field passing through the vent hole 5, wherein the specific steps are as follows:
(1) establishing a fluid model;
(2) loading boundary conditions: defining conditions for fluid flow in and out;
(3) defining a porous medium: the medium is nitrogen;
(4) the explicit calculation target is: flow field velocity and flow trajectory;
(5) performing operation analysis;
(6) and (3) post-processing results: analyzing the porous flow results;
the using method comprises the following steps:
the flow direction of fragments is analyzed through fluid simulation, and the exhaust hole in the valve body 2 is of a porous structure, so that the purpose of small initial flying speed is achieved.
Claims (6)
1. The utility model provides a welded rupture disk device which characterized in that: comprises a pressing ring (1), a valve body (2), an O-shaped ring (3) and a rupture disc (4); the valve body (2) is of a step structure, the upper end of the valve body is a hexagonal body, the middle part of the hexagonal body is provided with an exhaust hole (5), the lower end of the hexagonal body is provided with a groove, an O-shaped ring (3) is arranged in the groove, the middle end of the valve body (2) is provided with an external thread, the lower end of the valve body is sequentially provided with a rupture disk (4) and a pressing ring (1), and the three are welded after being compressed;
the exhaust holes 5 are of a porous structure;
the porous structure is 3 through holes which are uniformly distributed;
the diameters of the 3 through holes are phi 1mm, phi 1.2mm and phi 2mm respectively.
2. The welded rupture disc device of claim 1, wherein: the outer surface of one side of the pressing ring 1 close to the valve body 2 is provided with a boss, and the valve body 2 is provided with a corresponding boss corresponding to the pressing ring 1.
3. The welded rupture disc device of claim 1, wherein: the rupture disk 4 is of a circular plate-shaped structure.
4. The method for processing blasting fragments of a welded type rupture disk apparatus according to any one of claims 1 to 3, wherein: the method comprises the following steps:
(1) establishing a fluid model;
(2) defining conditions for fluid flow in and out;
(3) defining a porous medium:
(4) calculating the flow field speed and the flow track;
(5) and analyzing the porous flow result according to the calculated flow field speed and the flow track.
5. The method for processing blasting fragments of a welded rupture disk apparatus according to claim 4, wherein: the conditions of the fluid inflow and outflow are a pressure value and a speed value respectively.
6. The method for processing blasting fragments of a welded rupture disk apparatus according to claim 4, wherein: the porous medium is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248483.6A CN111006051B (en) | 2019-12-06 | 2019-12-06 | Welding type blasting piece device and blasting piece processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248483.6A CN111006051B (en) | 2019-12-06 | 2019-12-06 | Welding type blasting piece device and blasting piece processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111006051A CN111006051A (en) | 2020-04-14 |
| CN111006051B true CN111006051B (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911248483.6A Active CN111006051B (en) | 2019-12-06 | 2019-12-06 | Welding type blasting piece device and blasting piece processing method |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202852421U (en) * | 2012-09-11 | 2013-04-03 | 浙江蓝能燃气设备有限公司 | Welded type rupture disk device |
| CN108291661B (en) * | 2015-11-06 | 2020-06-05 | 安赛科公司 | Rupture disk device and assembling method thereof |
| CN205896320U (en) * | 2016-08-12 | 2017-01-18 | 大连理工安全装备有限公司 | Carbon dioxide exploitation utensils welding formula rupture disc device |
| CN206320372U (en) * | 2016-12-02 | 2017-07-11 | 武汉航空仪表有限责任公司 | A kind of blasting piece device |
| CN206320513U (en) * | 2016-12-02 | 2017-07-11 | 武汉航空仪表有限责任公司 | A kind of aerating device with explosion function |
| CN209622149U (en) * | 2019-03-29 | 2019-11-12 | 大连理工安全装备有限公司 | A kind of no fragment full tunnel liquid phase quck-opening valve |
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2019
- 2019-12-06 CN CN201911248483.6A patent/CN111006051B/en active Active
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| CN111006051A (en) | 2020-04-14 |
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