CN209196131U - A kind of big pressure-difference valve of high temperature and pressure - Google Patents
A kind of big pressure-difference valve of high temperature and pressure Download PDFInfo
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- CN209196131U CN209196131U CN201821699228.4U CN201821699228U CN209196131U CN 209196131 U CN209196131 U CN 209196131U CN 201821699228 U CN201821699228 U CN 201821699228U CN 209196131 U CN209196131 U CN 209196131U
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Abstract
A kind of big pressure-difference valve of high temperature and pressure, including valve body, gasket, valve seat, valve cage, flap, bolt, gasket, valve deck, airtight and watertight padding, handle mechanism；Valve body is equipped with the inlet and outlet of horizontal direction；Valve body center between inlet and outlet is equipped with valve cage shape valve seat, and inlet and outlet is connected in the two sides of valve cage；Honeycomb is uniformly distributed on valve cage, valve cage is ring-type, the height of valve cage is substantially equal to the diameter of inlet and outlet, and honeycomb is rod-shaped flap along cyclic annular radial distribution, the center of valve cage, the internal diameter close fit of flap outer diameter and valve cage, the upper end of rod-type flap is fixed with valve rod, and bolt, nut fix valve deck and valve body, and gasket is between valve deck and valve body fixed pan, valve deck center is equipped with the airtight and watertight padding of package valve rod, is fixed on valve deck on packing press ring by upper end screw equipped with gland cover board；Valve rod upper end is stretched out from the airtight and watertight padding of valve deck, and valve rod top is handle mechanism.
Description
Technical field:
The utility model relates to the big pressure-difference valves of a kind of regulating valve, especially high temperature and pressure, pressure reducing valve, are widely used in electricity
The industrial process automatic control system of the industries such as power, petroleum, chemical industry, metallurgy, environmental protection, light industry and research equipment in high temperature and pressure
In big pressure difference steam pipeline system, pressure can reach the steam pipework of 30.0MPa or more.
Background technique:
It is widely used in the steam pipe line control system in the fields such as existing power station, metallurgy, chemical industry, oil field.But in height
In the warm big pressure difference jet chimney of high pressure, high pressure to very low pressure cannot be adjusted accurately.The big pressure-difference valve of high temperature and pressure is just
It is for the big pressure difference operating condition of high temperature and pressure, it is pressure controlled accurate to guarantee.The big pressure-difference valve of conventional high-temperature high pressure, cannot be accurate
The decompression big pressure of high temperature and pressure is adjusted, thus the pressure that output is safer.The utility model relates to reducing-and-cooling plants, especially
It is the self-shield automatic control reducing-and-cooling plant of high temperature and high pressure steam, is widely used in the industries such as petroleum, chemical industry, electric power, metallurgy.
Utility model content:
The utility model aim is to propose a kind of big pressure-difference valve of Novel regulating valve high temperature and pressure, has certain self-insurance
The reduced pressure capabilities of shield, can reasonable employment thermal energy.Solve inconvenient for operation, the high problem of maintenance cost.
The technical solution of the utility model is a kind of big pressure-difference valve of section valve high temperature and pressure, including valve body, gasket,
Valve seat, valve cage, flap, bolt, gasket, valve deck, nut, airtight and watertight padding, filler spacer, packing press ring, hold-down grid, handle
Mechanism；Valve body is equipped with the inlet and outlet of horizontal direction；Valve body center between inlet and outlet is equipped with valve cage shape valve seat, into
Mouth is connected to outlet in the two sides of valve cage；Be uniformly distributed honeycomb on valve cage, valve cage is ring-type, the height of valve cage be substantially equal into
The diameter of outlet, for honeycomb along cyclic annular radial distribution, the center of valve cage is rod-shaped flap, and the internal diameter of flap outer diameter and valve cage is close
Cooperation is closed, upper end and the valve rod of rod-type flap are fixed, and are equipped with valve deck and bolt, nut, bolt, nut consolidate valve deck and valve body
Fixed, for gasket between valve deck and valve body fixed pan, valve deck center is equipped with the airtight and watertight padding of package valve rod, distinguishes from bottom to up
For airtight and watertight padding, filler spacer, airtight and watertight padding, packing press ring, it is solid by upper end screw on packing press ring to be equipped with gland cover board
It is scheduled on valve deck；Valve rod upper end is stretched out from the airtight and watertight padding of valve deck, and valve rod top is handle mechanism.Airtight and watertight padding is folder 304
Soft graphite.
Further, the structure of cyclic annular valve cage is the multi-layer annular plate equipped with same diameter and shape, the annular of middle layer
Plate is equipped with several radial holes.Handle mechanism is lever-like handle arrangement.
The utility model is carried out in same valve using integrated structure of relief pressure valve, steam temperature reducing, decompression, makes package unit
Length greatly shortens, and reduces construction investment.The course of work of the utility model: it as shown, by control handle mechanism, mentions
Flap is risen or declined, the on or off in valve flow channel thus may be implemented, to carry out to loine pressure and carry out essence
True control.
The utility model has the advantages that the utility model valve body etc. integrally uses forging structure, using coaxially connected mode control valve
Aperture, spool (flap) use honeycomb channel or microchannel, and are valve access and the only way which must be passed；For high pressure vapor line system
In, the pressure of valve output has alleviation, and safety is more preferable, and cage valve effectively solves can be to valve under the drive of high velocity vapor
Huge impact failure is brought, it can be high pressure resistant.Inconvenient for operation, the high problem of maintenance cost is solved, and is had easy to operate
With the effect of sealed reliable.Using solid forging, guarantee the integral strength under the high operating condition of high temperature, guarantee regulating valve uses the longevity
Life.The sealing guaranteed from seal structure at elevated pressures is combined with enhancing soft graphite combined sealing ring using metallic packing ring.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is valve cage structure schematic diagram.
Specific embodiment:
As shown, 1, valve body, 2, gasket, 3, valve seat, 4, valve cage, 5, flap, 6, bolt, 7, gasket, 8, valve deck,
9, nut, 10, folder 304 soft graphites constitute airtight and watertight padding, 11, filler spacer, 12 packing press rings, 13, hold-down grid, 14,
Bolt, 15, nut, 16, handle mechanism.
Valve body is equipped with the inlet and outlet of horizontal direction；Valve body center between inlet and outlet is equipped with valve cage shape valve
Seat, inlet and outlet are connected in the two sides of valve cage；It is uniformly distributed honeycomb on valve cage, honeycomb valve cage is ring-type, import and is gone out
Mouth is by honeycomb in valve cage as channel (being channel when flap is lifted off valve cage, and controllable flow rate), the height of valve cage
Degree is substantially equal to the diameter of inlet and outlet, smaller bigger, and flap controls the quantity in circulation of honeycomb, and honeycomb is along cyclic annular diameter
To distribution, then the internal diameter close fit of flap outer diameter and valve cage when can all seal up honeycomb；The center of valve cage is rod-shaped
Flap, flap outer diameter are 12mm or more, can be prepared into the product of each specification, and the internal diameter of flap outer diameter and valve cage can be closed
Cooperation；The upper end of rod-type flap is fixed with valve rod；The top of valve body be equipped with valve deck and bolt, nut, bolt, nut by valve deck with
Valve body is fixed, and gasket is between valve deck and valve body fixed pan.
Valve deck center is equipped with the airtight and watertight padding of package valve rod, and respectively airtight and watertight padding, filler spacer, sealing are filled out from bottom to up
Material, packing press ring, are fixed on valve deck on packing press ring by upper end screw equipped with gland cover board；The structure of cyclic annular valve cage
It is the multilayer build-up annular slab 4-1 equipped with same diameter and shape, the annular slab that annular slab clamps several middle layers is equipped with equal
The radial honeycomb 4-3 of even distribution.Annular slab, the internal diameter of annular slab of valve cage middle layer are identical with outer diameter, with long pin 4-2
The annular slab of annular slab, middle layer is fixed as an entirety.The aperture of radial hole is 1-2mm.Valve body and flap etc. are using whole
Body forging, guarantees the integral strength under the high operating condition of high temperature, guarantees the service life of regulating valve.Using cellular valve cage structure,
Guarantee the adjusting of pressure when flap is gone up and down.Using cellular valve cage structure, guarantee high pressure logical by cellular valve cage
Reach the pressure value of needs behind road.It is good to the safety of valve control.
Using lever type hand handle mechanism.Facilitate the unlatching and adjusting of adjusting.Valve body is equipped with lever, and the head of lever is pin
On valve body, lever can rotate axis fixed pivot around this pin shaft；It is equipped with a support in valve stem tip, the central location of lever is
Resistance point, resistance point are also equipped with second pin shaft axis hole and pin shaft, and pin shaft is equipped with a strut support on the support.Lever is hindering
The top of valve rod is pushed down in force position, and lever can apply force on valve rod and spool.Valve deck etc. uses dual airtight and watertight padding
Case design, sealed reliable.
Flap and seal receptacle use built-up welding different hardness alloy technology, guarantee the wear-resistant and corrosion resistant of flap and seal receptacle
Erosion, guarantees the service life of entire valve.
The foregoing is merely one two kinds of embodiments of the utility model, are not intended to limit the utility model, it is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles of the utility model is practical new to be included in this
Within the protection scope of type.
Claims (6)
1. a kind of big pressure-difference valve of high temperature and pressure, characterized in that including valve body, gasket, valve seat, valve cage, flap, bolt,
Gasket, valve deck, nut, airtight and watertight padding, filler spacer, packing press ring, hold-down grid, handle mechanism；Valve body is equipped with level
The inlet and outlet in direction；Valve body center between inlet and outlet is equipped with valve cage shape valve seat, inlet and outlet in valve cage two
Side connection；Honeycomb is uniformly distributed on valve cage, valve cage is ring-type, and the height of valve cage is substantially equal to the diameter of inlet and outlet, honeycomb
Along cyclic annular radial distribution, the center of valve cage is rod-shaped flap, the internal diameter close fit of flap outer diameter and valve cage, rod-type flap
Upper end is fixed with valve rod, is equipped with valve deck and bolt, nut, and bolt, nut fix valve deck and valve body, and gasket is in valve deck and valve
Between body fixed pan, valve deck center be equipped with package valve rod airtight and watertight padding, from bottom to up respectively airtight and watertight padding, filler every
Set, airtight and watertight padding, packing press ring are fixed on valve deck on packing press ring by upper end screw equipped with gland cover board；On valve rod
End is stretched out from the airtight and watertight padding of valve deck, and valve rod top is handle mechanism；Airtight and watertight padding is 304 soft graphites of folder.
2. the big pressure-difference valve of high temperature and pressure according to claim 1, characterized in that the structure of cyclic annular valve cage is to be equipped with
The annular slab of the multi-layer annular plate of same diameter and shape, middle layer is equipped with several radial holes.
3. the big pressure-difference valve of high temperature and pressure according to claim 1, characterized in that handle mechanism is lever-like handle knot
Structure.
4. the big pressure-difference valve of high temperature and pressure according to claim 1, characterized in that the structure of cyclic annular valve cage is to be equipped with
The multilayer build-up annular slab of same diameter and shape, the annular slab that annular slab clamps several middle layers are equipped with equally distributed diameter
To honeycomb, annular slab, the internal diameter of annular slab of valve cage middle layer are identical with outer diameter, with long pin by annular slab, middle layer
Annular slab be fixed as an entirety.
5. the big pressure-difference valve of high temperature and pressure according to claim 1, characterized in that the aperture of radial hole is 1-2mm.
6. the big pressure-difference valve of high temperature and pressure according to claim 1, characterized in that use lever type hand handle mechanism, thick stick
The head of bar is pin shaft fixed pivot on valve body, and lever is rotated around this pin shaft；It is equipped with a support in valve stem tip, lever
Central location is resistance point, and resistance point is also equipped with second pin shaft axis hole and pin shaft, and pin shaft is equipped with a strut support in support
On；Lever pushes down the top of valve rod in resistance point position, and lever can apply force on valve rod and spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821699228.4U CN209196131U (en) | 2018-10-19 | 2018-10-19 | A kind of big pressure-difference valve of high temperature and pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821699228.4U CN209196131U (en) | 2018-10-19 | 2018-10-19 | A kind of big pressure-difference valve of high temperature and pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196131U true CN209196131U (en) | 2019-08-02 |
Family
ID=67408441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821699228.4U Active CN209196131U (en) | 2018-10-19 | 2018-10-19 | A kind of big pressure-difference valve of high temperature and pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209196131U (en) |
-
2018
- 2018-10-19 CN CN201821699228.4U patent/CN209196131U/en active Active
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