CN111457241A - High-pressure large-displacement sand-proof natural gas drain valve switch - Google Patents
High-pressure large-displacement sand-proof natural gas drain valve switch Download PDFInfo
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- CN111457241A CN111457241A CN202010352594.8A CN202010352594A CN111457241A CN 111457241 A CN111457241 A CN 111457241A CN 202010352594 A CN202010352594 A CN 202010352594A CN 111457241 A CN111457241 A CN 111457241A
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- valve core
- ceramic
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- auxiliary valve
- cylinder
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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
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/20—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers with valves controlled by floats
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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
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/38—Component parts; Accessories
- F16T1/383—Valve closing members or valve seats
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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
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/38—Component parts; Accessories
- F16T1/386—Actuating mechanisms for lift valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a high-pressure large-displacement sand-proof natural gas drain valve switch which is applied to a high-pressure large-displacement sand-proof natural gas drain valve. When the level of condensed water in the trap valve rises during working, the lever floating ball drives the main valve rod to rise, the main valve core ceramic ball is riveted on the main valve rod to be connected into a whole, the main valve core ceramic ball leaves the main valve seat ceramic sleeve, the upper sealing surface of the main valve rod is tightly attached to the inner upper sealing surface of the cylinder, and the upper channel of the cylinder is closed. The interior of the cylinder is communicated with the back surface of the drain valve through a channel of the auxiliary valve core ceramic ball drilled in the cylinder, negative pressure is generated in the piston cylinder, the auxiliary valve core ceramic ball is riveted on the upper surface of the piston auxiliary valve core to be connected into a whole, the piston and the auxiliary valve core ceramic ball generate two opposite-direction power, and the contact area of the piston and the cylinder is larger than that of the auxiliary valve core ceramic ball and the auxiliary valve seat ceramic sleeve. The power of the piston is larger than that of the auxiliary valve core ceramic ball, the piston drives the auxiliary valve core ceramic ball to move upwards and leave the auxiliary valve seat ceramic sleeve, the piston auxiliary valve core is pushed onto the cylinder by the spring, the auxiliary valve seat of the drain valve is completely opened, and a large amount of condensed water is discharged. When the level of the condensed water drops, the lever floating ball drives the main valve core ceramic ball to move downwards and pushes the piston and the auxiliary valve core ceramic ball to overcome the elasticity of the spring and move towards the auxiliary valve seat ceramic sleeve, the drain valve is closed, and the drain valve is opened and closed to discharge according to the change of the condensed water. The method is characterized in that: under the condition of the opening force of a lever floating ball in a limited space of a drain valve body, the lever floating ball drives a main valve core ceramic ball to open a main valve seat ceramic sleeve small valve hole, a channel on a cylinder is closed, a piston cylinder generates negative pressure, a piston auxiliary valve core and the ceramic ball automatically open an auxiliary valve seat ceramic sleeve large valve hole, and the high-pressure drain valve generates large displacement in small volume. The main valve core and the auxiliary valve core of the trap are ceramic balls, the main valve seat and the auxiliary valve seat are ceramic sleeves, and the valve core ceramic balls and the valve seat ceramic sleeves can bear the scouring of high-pressure flow-rate fine sand powder, are wear-resistant and have long service life, and can meet the use requirements of a high-pressure large-discharge sand-proof natural gas trap.
Description
Technical Field
The invention relates to a high-pressure large-discharge-capacity sand-proof natural gas drain valve switch which is mainly applied to a natural gas drain valve.
Background
The high-pressure natural gas drain valve which is urgently needed to be used in the market at present requires the working pressure of 6.4-10.0MPa and the water delivery amount per hour of more than 30t/h, is used for the high-pressure drain valve for high-pressure concentration of natural gas exploitation, and contains a large amount of fine sand powder in a medium. Under the harsh working condition, the common natural gas drain valve cannot meet the requirements of the working condition because in the limited valve body space, the lever floating ball drain valve overcomes the suction force of high pressure difference to the drain valve core, the opened valve seat holes are very small, the drain quantity is not large, the medium contains a large amount of fine sand powder, and the valve seat holes are seriously damaged by scouring at high pressure flow velocity, so the service life is very short, and the market requirements cannot be met.
Disclosure of Invention
The invention discloses a switch of a high-pressure large-displacement sand-proof natural gas drain valve, which is applied to the high-pressure large-displacement sand-proof natural gas drain valve and aims to solve the problem of the high-pressure large-displacement sand-proof natural gas drain valve.
When the level of condensed water in the trap valve rises during working, the lever floating ball drives the main valve rod to rise, the main valve core ceramic ball is riveted on the main valve rod to be connected into a whole, the main valve core ceramic ball leaves the main valve seat ceramic sleeve, the upper sealing surface of the main valve rod is tightly attached to the inner upper sealing surface of the cylinder, and the upper channel of the cylinder is closed. The interior of the cylinder is communicated with the back surface of the drain valve through a channel of the auxiliary valve core ceramic ball drilled in the cylinder, negative pressure is generated in the piston cylinder, the auxiliary valve core ceramic ball is riveted on the upper surface of the piston auxiliary valve core to be connected into a whole, the piston and the auxiliary valve core ceramic ball generate two opposite-direction power, and the contact area of the piston and the cylinder is larger than that of the auxiliary valve core ceramic ball and the auxiliary valve seat ceramic sleeve. The power of the piston is larger than that of the auxiliary valve core ceramic ball, the piston drives the auxiliary valve core ceramic ball to move upwards and leave the auxiliary valve seat ceramic sleeve, the piston auxiliary valve core is pushed onto the cylinder by the spring, the auxiliary valve seat of the drain valve is completely opened, and a large amount of condensed water is discharged. When the level of the condensed water drops, the lever floating ball drives the main valve core ceramic ball to move downwards and pushes the piston and the auxiliary valve core ceramic ball to overcome the elasticity of the spring and move towards the auxiliary valve seat ceramic sleeve, the drain valve is closed, and the drain valve is opened and closed to discharge according to the change of the condensed water.
The method is characterized in that: under the condition of the opening force of a lever floating ball in a limited space of a drain valve body, the lever floating ball drives a main valve core ceramic ball to open a main valve seat ceramic sleeve small valve hole, a channel on a cylinder is closed, a piston cylinder generates negative pressure, a piston auxiliary valve core and the ceramic ball automatically open an auxiliary valve seat ceramic sleeve large valve hole, and the high-pressure drain valve generates large displacement in small volume. The main valve core and the auxiliary valve core of the trap are ceramic balls, the main valve seat and the auxiliary valve seat are ceramic sleeves, and the valve core ceramic balls and the valve seat ceramic sleeves can bear the scouring of high-pressure flow-rate fine sand powder, are wear-resistant and have long service life, and can meet the use requirements of a high-pressure large-discharge sand-proof natural gas trap.
Drawings
The attached figure 1 is: high-pressure large-displacement sand-proof natural gas drain valve switch
In the drawings: a valve seat body (1), a spring (2), a piston auxiliary valve core (3), a cylinder (4), a lever bracket (5), a shaft pin (6), a shaft pin (7), a lever floating ball (8), a main valve rod (9), a main valve core ceramic ball (10), a main valve seat ceramic sleeve (11), an auxiliary valve core ceramic ball (12) and an auxiliary valve seat ceramic sleeve (13)
Detailed Description
The invention is further illustrated with reference to the figures and examples.
As shown in the attached drawing, the invention mainly comprises a valve seat body (1), a spring (2), a piston auxiliary valve core (3), a cylinder (4), a lever bracket (5), a shaft pin (6), a shaft pin (7), a lever floating ball (8), a main valve rod (9), a main valve core ceramic ball (10), a main valve seat ceramic sleeve (11), an auxiliary valve core ceramic ball (12) and an auxiliary valve seat ceramic sleeve (13).
When the level of condensed water in the drain valve rises during working, the lever floating ball (8) drives the main valve rod (9) to rise, the main valve core ceramic ball (10) is riveted on the main valve rod (9) to be connected into a whole, the main valve core ceramic ball (10) leaves the main valve seat ceramic sleeve (11), the upper sealing surface of the main valve rod (9) is tightly attached to the inner upper sealing surface of the cylinder (4), and the upper channel of the cylinder (4) is closed. The interior of the cylinder (4) is communicated with the back surface of the drain valve through a channel of the drilling auxiliary valve core ceramic ball (12), negative pressure is generated in the piston cylinder (4), the auxiliary valve core ceramic ball (12) is riveted on the upper surface of the piston auxiliary valve core (3) to be connected into a whole, the piston and the auxiliary valve core ceramic ball (12) generate two opposite direction power, and the contact area of the piston and the cylinder (4) is larger than that of the auxiliary valve core ceramic ball (12) and the auxiliary valve seat ceramic sleeve (13). The power of the piston is larger than that of the auxiliary valve core ceramic ball (12), the piston drives the auxiliary valve core ceramic ball (12) to move upwards and leave the auxiliary valve seat ceramic sleeve (13), the piston auxiliary valve core (3) is pushed onto the cylinder (4) by the spring (2), the auxiliary valve seat of the drain valve is completely opened, and a large amount of condensed water is discharged. When the level of the condensed water drops, the lever floating ball (8) drives the main valve core ceramic ball (10) to move downwards, and pushes the piston and the auxiliary valve core ceramic ball (12) to overcome the elasticity of the spring (2) and move towards the auxiliary valve seat ceramic sleeve (13), the drain valve is closed, and the drain valve is opened and closed to discharge according to the change of the condensed water.
Claims (2)
1. A high-pressure large-discharge sand-proof natural gas drain valve switch is applied to a high-pressure large-discharge sand-proof natural gas drain valve. When the level of condensed water in the trap valve rises during working, the lever floating ball drives the main valve rod to rise, the main valve core ceramic ball is riveted on the main valve rod to be connected into a whole, the main valve core ceramic ball leaves the main valve seat ceramic sleeve, the upper sealing surface of the main valve rod is tightly attached to the inner upper sealing surface of the cylinder, and the upper channel of the cylinder is closed. The interior of the cylinder is communicated with the back surface of the drain valve through a channel of the auxiliary valve core ceramic ball drilled in the cylinder, negative pressure is generated in the piston cylinder, the auxiliary valve core ceramic ball is riveted on the upper surface of the piston auxiliary valve core to be connected into a whole, the piston and the auxiliary valve core ceramic ball generate two opposite-direction power, and the contact area of the piston and the cylinder is larger than that of the auxiliary valve core ceramic ball and the auxiliary valve seat ceramic sleeve. The power of the piston is larger than that of the auxiliary valve core ceramic ball, the piston drives the auxiliary valve core ceramic ball to move upwards and leave the auxiliary valve seat ceramic sleeve, the piston auxiliary valve core is pushed onto the cylinder by the spring, the auxiliary valve seat of the drain valve is completely opened, and a large amount of condensed water is discharged. When the level of the condensed water drops, the lever floating ball drives the main valve core ceramic ball to move downwards and pushes the piston and the auxiliary valve core ceramic ball to overcome the elasticity of the spring and move towards the auxiliary valve seat ceramic sleeve, the drain valve is closed, and the drain valve is opened and closed to discharge according to the change of the condensed water.
2. The method as recited in claim 1, wherein: under the condition of the opening force of a lever floating ball in a limited space of a drain valve body, the lever floating ball drives a main valve core ceramic ball to open a main valve seat ceramic sleeve small valve hole, a channel on a cylinder is closed, a piston cylinder generates negative pressure, a piston auxiliary valve core and the ceramic ball automatically open an auxiliary valve seat ceramic sleeve large valve hole, and the high-pressure drain valve generates large displacement in small volume. The main valve core and the auxiliary valve core of the trap are ceramic balls, the main valve seat and the auxiliary valve seat are ceramic sleeves, and the valve core ceramic balls and the valve seat ceramic sleeves can bear the scouring of high-pressure flow-rate fine sand powder, are wear-resistant and have long service life, and can meet the use requirements of a high-pressure large-discharge sand-proof natural gas trap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010352594.8A CN111457241A (en) | 2020-04-24 | 2020-04-24 | High-pressure large-displacement sand-proof natural gas drain valve switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010352594.8A CN111457241A (en) | 2020-04-24 | 2020-04-24 | High-pressure large-displacement sand-proof natural gas drain valve switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111457241A true CN111457241A (en) | 2020-07-28 |
Family
ID=71676596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010352594.8A Withdrawn CN111457241A (en) | 2020-04-24 | 2020-04-24 | High-pressure large-displacement sand-proof natural gas drain valve switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111457241A (en) |
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2020
- 2020-04-24 CN CN202010352594.8A patent/CN111457241A/en not_active Withdrawn
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20200728 |