CN111457240A - Horizontal high-pressure large-displacement sand-proof natural gas drain valve - Google Patents
Horizontal high-pressure large-displacement sand-proof natural gas drain valve Download PDFInfo
- Publication number
- CN111457240A CN111457240A CN202010352592.9A CN202010352592A CN111457240A CN 111457240 A CN111457240 A CN 111457240A CN 202010352592 A CN202010352592 A CN 202010352592A CN 111457240 A CN111457240 A CN 111457240A
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- Prior art keywords
- valve core
- ceramic
- auxiliary valve
- piston
- ball
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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
Abstract
The invention discloses a horizontal high-pressure large-discharge sand-proof natural gas drain valve which is applied to a high-pressure large-discharge sand-proof natural gas drain valve. When the steam trap works, condensed water enters the steam trap through the condensed liquid inlet, when the liquid level of the condensed water in the steam trap rises, the high-pressure 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 upper sealing surface in 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 high-pressure 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 high-pressure floating ball opening force of a limited space of a drain valve body, the high-pressure 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, the ceramic ball core and the ceramic sleeve of the valve seat can bear the scouring of fine sand powder at high flow rate, the valve core is wear-resistant and has long service life, the ultrahigh pressure floating ball with the inner strip annular reinforcing ribs is selected as the ultrahigh pressure floating ball, the ultrahigh pressure working pressure can be borne, and the use requirement of the high-pressure large-discharge sand-proof natural gas trap can be met.
Description
Technical Field
The invention relates to a horizontal high-pressure large-discharge sand-proof natural gas drain valve which is mainly applied to a high-pressure 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 high-pressure floating ball drain valve overcomes the suction force of the 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
In order to solve the problem of the high-pressure large-discharge sand-proof natural gas drain valve, the invention discloses a horizontal high-pressure large-discharge sand-proof natural gas drain valve which is applied to the high-pressure large-discharge sand-proof natural gas drain valve.
When the steam trap works, condensed water enters the steam trap through the condensed liquid inlet, when the liquid level of the condensed water in the steam trap rises, the high-pressure 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 upper sealing surface in 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 high-pressure 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 high-pressure floating ball opening force of a limited space of a drain valve body, the high-pressure 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, the ceramic ball core and the ceramic sleeve of the valve seat can bear the scouring of fine sand powder at high flow rate, the valve core is wear-resistant and has long service life, the ultrahigh pressure floating ball with the inner strip annular reinforcing ribs is selected as the ultrahigh pressure floating ball, the ultrahigh pressure working pressure can be borne, and the use requirement of the high-pressure large-discharge sand-proof natural gas trap can be met.
Drawings
The attached figure 1 is: horizontal high-pressure large-displacement sand-proof natural gas drain valve
In the drawings: the valve seat comprises a valve seat connecting plate (1), a valve seat body (2), an auxiliary valve seat ceramic sleeve (3), an auxiliary valve seat ceramic ball (4), a main valve seat ceramic sleeve (5), a spring (6), a main valve core ceramic ball (7), a main valve rod (8), a piston (9), a cylinder (10), a lever bracket (11), a shaft pin (12), a shaft pin (13), a valve cover (14), a valve body (15), a pressure gauge connector (16), a condensate inlet (17), a balance pipe orifice (18), a floating ball lever (19), a high-pressure floating ball (20), a condensate outlet (21), a drain outlet (22) and supporting legs (23)
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in the attached drawing, the invention mainly comprises a valve seat connecting plate (1), a valve seat body (2), an auxiliary valve seat ceramic sleeve (3), an auxiliary valve seat ceramic ball (4), a main valve seat ceramic sleeve (5), a spring (6), a main valve core ceramic ball (7), a main valve rod (8), a piston (9), a cylinder (10), a lever bracket (11), a shaft pin (12), a shaft pin (13), a valve cover (14), a valve body (15), a pressure gauge interface (16), a condensate inlet (17), a balance pipe orifice (18), a floating ball lever (19), a high-pressure floating ball (20), a condensate outlet (21), a drain outlet (22) and supporting legs (23).
Condensed water enters the drain valve through a condensed liquid inlet (17) during working, when the liquid level of the condensed water in the drain valve rises, a high-pressure floating ball (20) drives a main valve rod (8) to rise, a main valve core ceramic ball (7) is riveted on the main valve rod (8) to be connected into a whole, the main valve core ceramic ball (7) leaves a main valve seat ceramic sleeve (5), an upper sealing surface of the main valve rod (8) is tightly attached to an inner upper sealing surface of a cylinder (10), and an upper channel of the cylinder (10) is closed. The interior of a cylinder (10) is communicated with the back of a drain valve through a channel of a drilling auxiliary valve core ceramic ball (4), negative pressure is generated in the cylinder (10) of a piston (9), the auxiliary valve core ceramic ball (4) is riveted on the upper surface of an auxiliary valve core of the piston (9) to be connected into a whole, the piston (9) and the auxiliary valve core ceramic ball (4) generate two opposite-direction power, and the contact area of the piston (9) and the cylinder (10) is larger than the contact area of the auxiliary valve core ceramic ball (4) and an auxiliary valve seat ceramic sleeve (3). The power of the piston (9) is larger than that of the auxiliary valve core ceramic ball (4), the piston (9) drives the auxiliary valve core ceramic ball (4) to move upwards and leave the auxiliary valve seat ceramic sleeve (3), the spring (6) pushes the auxiliary valve core of the piston (9) to the upper surface of the cylinder (10), 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 high-pressure floating ball (20) drives the main valve core ceramic ball (7) to move downwards and pushes the piston (9) and the auxiliary valve core ceramic ball (4) to overcome the elasticity of the spring (6) and move towards the auxiliary valve seat ceramic sleeve (3), 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 horizontal high-pressure large-discharge sand-proof natural gas drain valve is applied to a high-pressure large-discharge sand-proof natural gas drain valve. When the steam trap works, condensed water enters the steam trap through the condensed liquid inlet, when the liquid level of the condensed water in the steam trap rises, the high-pressure 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 upper sealing surface in 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 high-pressure 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 high-pressure floating ball opening force of a limited space of a drain valve body, the high-pressure 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, the ceramic ball core and the ceramic sleeve of the valve seat can bear the scouring of fine sand powder at high flow rate, the valve core is wear-resistant and has long service life, the ultrahigh pressure floating ball with the inner strip annular reinforcing ribs is selected as the ultrahigh pressure floating ball, the ultrahigh pressure working pressure can be borne, and the use requirement of the high-pressure large-discharge sand-proof natural gas trap can be met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010352592.9A CN111457240A (en) | 2020-04-24 | 2020-04-24 | Horizontal high-pressure large-displacement sand-proof natural gas drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010352592.9A CN111457240A (en) | 2020-04-24 | 2020-04-24 | Horizontal high-pressure large-displacement sand-proof natural gas drain valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111457240A true CN111457240A (en) | 2020-07-28 |
Family
ID=71686103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010352592.9A Withdrawn CN111457240A (en) | 2020-04-24 | 2020-04-24 | Horizontal high-pressure large-displacement sand-proof natural gas drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111457240A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032546A (en) * | 2020-09-09 | 2020-12-04 | 余姚市展欣汽车部件有限公司 | Pull ring type water drain valve |
| CN114962972A (en) * | 2021-10-28 | 2022-08-30 | 银球节能工程有限公司 | Ceramic balance double-valve-core natural gas drain valve |
| CN114962971A (en) * | 2021-10-28 | 2022-08-30 | 银球节能工程有限公司 | High-pressure lever float ball type steam trap |
-
2020
- 2020-04-24 CN CN202010352592.9A patent/CN111457240A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032546A (en) * | 2020-09-09 | 2020-12-04 | 余姚市展欣汽车部件有限公司 | Pull ring type water drain valve |
| CN112032546B (en) * | 2020-09-09 | 2022-05-13 | 余姚市展欣汽车部件有限公司 | Pull ring type water drain valve |
| CN114962972A (en) * | 2021-10-28 | 2022-08-30 | 银球节能工程有限公司 | Ceramic balance double-valve-core natural gas drain valve |
| CN114962971A (en) * | 2021-10-28 | 2022-08-30 | 银球节能工程有限公司 | High-pressure lever float ball type steam trap |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200728 |
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| WW01 | Invention patent application withdrawn after publication |