CN219606151U - High-temperature-resistant overflow valve structure - Google Patents
High-temperature-resistant overflow valve structure Download PDFInfo
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- CN219606151U CN219606151U CN202320275638.0U CN202320275638U CN219606151U CN 219606151 U CN219606151 U CN 219606151U CN 202320275638 U CN202320275638 U CN 202320275638U CN 219606151 U CN219606151 U CN 219606151U
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Abstract
The utility model provides a high temperature resistant overflow valve structure, includes the valve body, and high pressure joint is connected to valve body one end, and the high pressure joint inboard is equipped with the carbide disk seat, is equipped with the oil passage in high pressure joint and the carbide disk seat, carbide disk seat inboard movable mounting has the superalloy valve pocket, is equipped with the carbide steel ball in the superalloy valve pocket, and the carbide steel ball cooperatees with the spherical face of carbide disk seat inboard terminal surface, is equipped with a plurality of overflow hole in the superalloy valve pocket. The valve body is internally provided with the hard alloy valve seat and the hard alloy steel ball, so that the valve has a series of excellent performances such as high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, and the valve body is internally provided with the high-temperature alloy valve sleeve, so that the valve has excellent high-temperature strength, good oxidation resistance and corrosion resistance, good comprehensive performances such as fatigue performance and fracture toughness, and the like, has small deformation under the conditions of high temperature and high pressure, can keep effective sealing and smooth opening, and achieves the aims of normal-pressure sealing and overpressure overflow protection.
Description
Technical field:
the utility model relates to a high-temperature-resistant overflow valve structure.
The background technology is as follows:
in the diaphragm compressor, the lower die heads of the diaphragm compressor are provided with overflow valves for overpressure protection. When the overflow valve works, the internal action part of the overflow valve needs to be frequently opened to ensure smooth overflow, but when the overflow valve works for a long time under high temperature and high pressure, the internal action part of the overflow valve is easy to deform, so that the condition of loose sealing or unsmooth opening is caused, the continuous overflow can be caused due to the loose sealing, and the pressure loss is increased; if the opening is not smooth, overflow failure can be caused, the purpose of overpressure protection can not be achieved, and even dangerous accidents can be caused when the opening is serious.
In summary, how to ensure smooth operation of the overflow valve under high temperature and high pressure has become a technical problem in the industry.
The utility model comprises the following steps:
the utility model provides a high-temperature-resistant overflow valve structure for overcoming the defects of the prior art, and solves the problems that the prior overflow valve is easy to deform in the internal action part under the condition of high temperature and high pressure to cause poor sealing or unsmooth opening.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the high-temperature-resistant overflow valve structure comprises a valve body, wherein one end of the valve body is connected with a high-pressure joint, the inner side of the high-pressure joint is provided with a hard alloy valve seat, oil passing channels are arranged in the high-pressure joint and the hard alloy valve seat, a high-temperature alloy valve sleeve is movably arranged on the inner side of the hard alloy valve seat, a hard alloy steel ball is arranged in the high-temperature alloy valve sleeve, the hard alloy steel ball is matched with a spherical surface of the inner side end surface of the hard alloy valve seat, a plurality of overflow holes are formed in the high-temperature alloy valve sleeve, the overflow holes are communicated with a leakage port formed in the bottom of the valve body, a spring supporting seat A is arranged on the inner side of the high-temperature alloy valve sleeve, and a large steel ball A is arranged between the spring supporting seat A and the high-temperature alloy valve sleeve; the valve body other end threaded connection has adjusting bolt, and adjusting bolt inboard is equipped with spring supporting seat B, is equipped with big steel ball B between spring supporting seat B and the adjusting bolt, is equipped with the spring between spring supporting seat B and the spring supporting seat A.
The high-pressure connector is fixedly connected with the valve body through threads.
And the hard alloy valve seat and the hard alloy steel ball are made of YG6 alloy or YG8 alloy.
The high-temperature alloy valve sleeve adopts GH2132 alloy or GH4169 alloy.
The spring is made of 17-7PH stainless steel.
And the leakage port is connected with a clamping sleeve joint.
An O-shaped ring is arranged between the adjusting bolt and the valve body.
The diameters of the large steel ball A and the large steel ball B are the same, and the diameters of the hard alloy steel balls are smaller than those of the large steel ball A and the large steel ball B.
The utility model adopts the scheme and has the following advantages:
the valve body is internally provided with the hard alloy valve seat and the hard alloy steel ball, so that the valve has a series of excellent performances such as high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, and the valve body is internally provided with the high-temperature alloy valve sleeve, so that the valve has excellent high-temperature strength, good oxidation resistance and corrosion resistance, good comprehensive performances such as fatigue performance and fracture toughness, and the like, has small deformation under the conditions of high temperature and high pressure, can keep effective sealing and smooth opening, and achieves the aims of normal-pressure sealing and overpressure overflow protection.
Description of the drawings:
fig. 1 is a schematic cross-sectional view of the present utility model.
In the figure, 1, a valve body, 2, a high-pressure joint, 3, a hard alloy valve seat, 4, an oil passing channel, 5, a high-temperature alloy valve sleeve, 6, a hard alloy steel ball, 7, an overflow hole, 8, a leakage port, 9, a clamping sleeve joint, 10, a spring support seat A,11, a big steel ball A,12, an adjusting bolt, 13, a spring support seat B,14, a big steel ball B,15, a spring, 16 and an O-shaped ring.
The specific embodiment is as follows:
in order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1, the high-temperature-resistant overflow valve structure comprises a valve body 1, one end of the valve body 1 is connected with a high-pressure joint 2, the inner side of the high-pressure joint 2 is provided with a hard alloy valve seat 3, oil passing channels 4 are arranged in the high-pressure joint 2 and the hard alloy valve seat 3, the inner side of the hard alloy valve seat 3 is movably provided with a high-temperature alloy valve sleeve 5, a hard alloy steel ball 6 is arranged in the high-temperature alloy valve sleeve 5, the hard alloy steel ball 6 is matched with a spherical surface of the inner side end surface of the hard alloy valve seat 3, a plurality of overflow holes 7 are arranged in the high-temperature alloy valve sleeve 5, the overflow holes 7 are communicated with a leakage port 8 arranged at the bottom of the valve body 1, a spring supporting seat A10 is arranged on the inner side of the high-temperature alloy valve sleeve 5, and a large steel ball A11 is arranged between the spring supporting seat A10 and the high-temperature alloy valve sleeve 5; the other end of the valve body 1 is connected with an adjusting bolt 12 in a threaded manner, a spring supporting seat B13 is arranged on the inner side of the adjusting bolt 12, a large steel ball B14 is arranged between the spring supporting seat B13 and the adjusting bolt 12, and a spring 15 is arranged between the spring supporting seat B13 and the spring supporting seat A10.
The high-pressure connector 2 is fixedly connected with the valve body 1 through threads.
The hard alloy valve seat 3 and the hard alloy steel ball 6 are made of YG6 alloy or YG8 alloy. The alloy has a series of excellent properties such as high hardness, wear resistance, better strength and toughness, heat resistance, corrosion resistance and the like, particularly the high hardness and wear resistance of the alloy are basically unchanged even at the temperature of 500 ℃, and the hardness of the alloy is high at the temperature of 1000 ℃.
The high-temperature alloy valve sleeve 5 adopts GH2132 alloy or GH4169 alloy. The high-temperature metal material which works for a long time under the conditions of 760-1500 ℃ and certain stress has excellent high-temperature strength, good oxidation resistance and hot corrosion resistance, good fatigue property, fracture toughness and other comprehensive properties.
The spring 15 is made of 17-7PH stainless steel, and has good plasticity, toughness, processability and medium temperature mechanical property. The pressure of the relief valve can be ensured to be adjustable (within the range of 100-6000PSI, 100-500, 501-1500, 1501-3500, 3501-7500, 7501-15000, 15001-25000, 25001-60000) by replacing the spring 15 and by adjusting the back and forth displacement of the adjusting bolt 12.
The leakage port 8 is connected with a clamping sleeve joint 9.
An O-shaped ring 16 is arranged between the adjusting bolt 12 and the valve body 1, so that a sealing effect is achieved.
The diameters of the big steel ball A11 and the big steel ball B14 are the same, and the diameter of the hard alloy steel ball 6 is smaller than the diameters of the big steel ball A11 and the big steel ball B14.
Working principle:
the high-pressure joint 2 at one end of the valve body 1 is connected with an overflow port of a lower die head of the diaphragm machine, oil overflowed by the diaphragm can reach the position of the hard alloy steel ball 6 through the high-pressure joint 2 and the oil passing channel 4 in the hard alloy valve seat 3, the other end of the valve body 1 is connected with the adjusting bolt 12, the adjusting bolt 12 sequentially pushes the big steel ball B14, the spring supporting seat B13, the spring 15, the spring supporting seat A10 and the big steel ball A11 to be contacted with the spherical surface of the end surface of the high-temperature alloy valve sleeve 5, and the high-temperature alloy valve sleeve 5 pushes the hard alloy steel ball 6 to be contacted with the spherical surface of the inner end surface of the hard alloy valve seat 3;
when the oil pressure of the overflow of the diaphragm is smaller than or equal to the spring force, the contact fit of the hard alloy steel ball 6 and the spherical surface of the hard alloy valve seat 3 is in a closed state; when the oil pressure of the overflow of the diaphragm is larger than the spring force, the hard alloy steel ball 6 is pushed by oil to move leftwards, the oil passes through the overflow hole 6 at the side edge of the high-temperature alloy valve sleeve 5 to the valve body 1, and then enters the clamping sleeve joint 9 through the leakage port 8 on the valve body 1 to overflow and release pressure, so that overpressure protection adjustment is realized.
The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (8)
1. The utility model provides a high temperature resistant overflow valve structure which characterized in that: the high-temperature alloy valve comprises a valve body, wherein one end of the valve body is connected with a high-pressure joint, the inner side of the high-pressure joint is provided with a hard alloy valve seat, oil passing channels are arranged in the high-pressure joint and the hard alloy valve seat, the inner side of the hard alloy valve seat is movably provided with a high-temperature alloy valve sleeve, a hard alloy steel ball is arranged in the high-temperature alloy valve sleeve, the hard alloy steel ball is matched with a spherical surface of the inner side end surface of the hard alloy valve seat, a plurality of overflow holes are formed in the high-temperature alloy valve sleeve, the overflow holes are communicated with a leakage port formed in the bottom of the valve body, the inner side of the high-temperature alloy valve sleeve is provided with a spring support seat A, and a large steel ball A is arranged between the spring support seat A and the high-temperature alloy valve sleeve; the valve body other end threaded connection has adjusting bolt, and adjusting bolt inboard is equipped with spring supporting seat B, is equipped with big steel ball B between spring supporting seat B and the adjusting bolt, is equipped with the spring between spring supporting seat B and the spring supporting seat A.
2. The high temperature resistant overflow valve structure of claim 1, wherein: the high-pressure connector is fixedly connected with the valve body through threads.
3. The high temperature resistant overflow valve structure of claim 1, wherein: and the hard alloy valve seat and the hard alloy steel ball are made of YG6 alloy or YG8 alloy.
4. The high temperature resistant overflow valve structure of claim 1, wherein: the high-temperature alloy valve sleeve adopts GH2132 alloy or GH4169 alloy.
5. The high temperature resistant overflow valve structure of claim 1, wherein: the spring is made of 17-7PH stainless steel.
6. The high temperature resistant overflow valve structure of claim 1, wherein: and the leakage port is connected with a clamping sleeve joint.
7. The high temperature resistant overflow valve structure of claim 1, wherein: an O-shaped ring is arranged between the adjusting bolt and the valve body.
8. The high temperature resistant overflow valve structure of claim 1, wherein: the diameters of the large steel ball A and the large steel ball B are the same, and the diameters of the hard alloy steel balls are smaller than those of the large steel ball A and the large steel ball B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320275638.0U CN219606151U (en) | 2023-02-20 | 2023-02-20 | High-temperature-resistant overflow valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320275638.0U CN219606151U (en) | 2023-02-20 | 2023-02-20 | High-temperature-resistant overflow valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219606151U true CN219606151U (en) | 2023-08-29 |
Family
ID=87745974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320275638.0U Active CN219606151U (en) | 2023-02-20 | 2023-02-20 | High-temperature-resistant overflow valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219606151U (en) |
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2023
- 2023-02-20 CN CN202320275638.0U patent/CN219606151U/en active Active
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